diff options
Diffstat (limited to 'target/linux/storm/patches/002-gmac.patch')
| -rw-r--r-- | target/linux/storm/patches/002-gmac.patch | 18615 |
1 files changed, 18615 insertions, 0 deletions
diff --git a/target/linux/storm/patches/002-gmac.patch b/target/linux/storm/patches/002-gmac.patch new file mode 100644 index 0000000000..99e710bb74 --- /dev/null +++ b/target/linux/storm/patches/002-gmac.patch @@ -0,0 +1,18615 @@ +--- /dev/null ++++ b/drivers/net/sl2312_emac.c +@@ -0,0 +1,4604 @@ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch-sl2312/irqs.h> ++#include <asm/arch/it8712.h> ++#include <asm/arch/sl2312.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/sysctl_storlink.h> ++ ++#define BIG_ENDIAN 0 ++ ++#define GMAC_DEBUG 0 ++ ++#define GMAC_PHY_IF 2 ++ ++/* define PHY address */ ++#define HPHY_ADDR 0x01 ++#define GPHY_ADDR 0x02 ++ ++#define CONFIG_ADM_6999 1 ++/* define chip information */ ++#define DRV_NAME "SL2312" ++#define DRV_VERSION "0.1.1" ++#define SL2312_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION ++ ++/* define TX/RX descriptor parameter */ ++#define MAX_ETH_FRAME_SIZE 1920 ++#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE ++#define TX_DESC_NUM 128 ++#define TX_BUF_TOT_LEN (TX_BUF_SIZE * TX_DESC_NUM) ++#define RX_BUF_SIZE MAX_ETH_FRAME_SIZE ++#define RX_DESC_NUM 256 ++#define RX_BUF_TOT_LEN (RX_BUF_SIZE * RX_DESC_NUM) ++#define MAX_ISR_WORK 20 ++ ++unsigned int int_status = 0; ++ ++/* define GMAC base address */ ++#define GMAC_PHYSICAL_BASE_ADDR (SL2312_GMAC_BASE) ++#define GMAC_BASE_ADDR (IO_ADDRESS(GMAC_PHYSICAL_BASE_ADDR)) ++#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE)) ++ ++#define GMAC0_BASE (IO_ADDRESS(SL2312_GMAC0_BASE)) ++#define GMAC1_BASE (IO_ADDRESS(SL2312_GMAC1_BASE)) ++ ++/* memory management utility */ ++#define DMA_MALLOC(size,handle) pci_alloc_consistent(NULL,size,handle) ++#define DMA_MFREE(mem,size,handle) pci_free_consistent(NULL,size,mem,handle) ++ ++//#define gmac_read_reg(offset) (readl(GMAC_BASE_ADDR + offset)) ++//#define gmac_write_reg(offset,data,mask) writel( (gmac_read_reg(offset)&~mask) |(data&mask),(GMAC_BASE_ADDR+offset)) ++ ++/* define owner bit */ ++#define CPU 0 ++#define DMA 1 ++ ++#define ACTIVE 1 ++#define NONACTIVE 0 ++ ++#define CONFIG_SL_NAPI ++ ++#ifndef CONFIG_SL2312_MPAGE ++#define CONFIG_SL2312_MPAGE ++#endif ++ ++#ifdef CONFIG_SL2312_MPAGE ++#include <linux/skbuff.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#endif ++ ++#ifndef CONFIG_TXINT_DISABLE ++//#define CONFIG_TXINT_DISABLE ++#endif ++ ++enum phy_state ++{ ++ LINK_DOWN = 0, ++ LINK_UP = 1 ++}; ++ ++ ++/* transmit timeout value */ ++#define TX_TIMEOUT (6*HZ) ++ ++/***************************************/ ++/* the offset address of GMAC register */ ++/***************************************/ ++enum GMAC_REGISTER { ++ GMAC_STA_ADD0 = 0x0000, ++ GMAC_STA_ADD1 = 0x0004, ++ GMAC_STA_ADD2 = 0x0008, ++ GMAC_RX_FLTR = 0x000c, ++ GMAC_MCAST_FIL0 = 0x0010, ++ GMAC_MCAST_FIL1 = 0x0014, ++ GMAC_CONFIG0 = 0x0018, ++ GMAC_CONFIG1 = 0x001c, ++ GMAC_CONFIG2 = 0x0020, ++ GMAC_BNCR = 0x0024, ++ GMAC_RBNR = 0x0028, ++ GMAC_STATUS = 0x002c, ++ GMAC_IN_DISCARDS= 0x0030, ++ GMAC_IN_ERRORS = 0x0034, ++ GMAC_IN_MCAST = 0x0038, ++ GMAC_IN_BCAST = 0x003c, ++ GMAC_IN_MAC1 = 0x0040, ++ GMAC_IN_MAC2 = 0x0044 ++}; ++ ++/*******************************************/ ++/* the offset address of GMAC DMA register */ ++/*******************************************/ ++enum GMAC_DMA_REGISTER { ++ GMAC_DMA_DEVICE_ID = 0xff00, ++ GMAC_DMA_STATUS = 0xff04, ++ GMAC_TXDMA_CTRL = 0xff08, ++ GMAC_TXDMA_FIRST_DESC = 0xff0c, ++ GMAC_TXDMA_CURR_DESC = 0xff10, ++ GMAC_RXDMA_CTRL = 0xff14, ++ GMAC_RXDMA_FIRST_DESC = 0xff18, ++ GMAC_RXDMA_CURR_DESC = 0xff1c, ++}; ++ ++/*******************************************/ ++/* the register structure of GMAC */ ++/*******************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0004 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int sta_add2_l16 : 16; /* station MAC address2 bits 15 to 0 */ ++ unsigned int sta_add1_h16 : 16; /* station MAC address1 bits 47 to 32 */ ++#else ++ unsigned int sta_add1_h16 : 16; /* station MAC address1 bits 47 to 32 */ ++ unsigned int sta_add2_l16 : 16; /* station MAC address2 bits 15 to 0 */ ++#endif ++ } bits; ++} GMAC_STA_ADD1_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_000c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 27; ++ unsigned int error : 1; /* enable receive of all error frames */ ++ unsigned int promiscuous : 1; /* enable receive of all frames */ ++ unsigned int broadcast : 1; /* enable receive of broadcast frames */ ++ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ ++ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ ++#else ++ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ ++ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ ++ unsigned int broadcast : 1; /* enable receive of broadcast frames */ ++ unsigned int promiscuous : 1; /* enable receive of all frames */ ++ unsigned int error : 1; /* enable receive of all error frames */ ++ unsigned int : 27; ++#endif ++ } bits; ++} GMAC_RX_FLTR_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0018 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 10; ++ unsigned int inv_rx_clk : 1; /* Inverse RX Clock */ ++ unsigned int rising_latch : 1; ++ unsigned int rx_tag_remove : 1; /* Remove Rx VLAN tag */ ++ unsigned int ipv6_tss_rx_en : 1; /* IPv6 TSS RX enable */ ++ unsigned int ipv4_tss_rx_en : 1; /* IPv4 TSS RX enable */ ++ unsigned int rgmii_en : 1; /* RGMII in-band status enable */ ++ unsigned int tx_fc_en : 1; /* TX flow control enable */ ++ unsigned int rx_fc_en : 1; /* RX flow control enable */ ++ unsigned int sim_test : 1; /* speed up timers in simulation */ ++ unsigned int dis_col : 1; /* disable 16 collisions abort function */ ++ unsigned int dis_bkoff : 1; /* disable back-off function */ ++ unsigned int max_len : 3; /* maximum receive frame length allowed */ ++ unsigned int adj_ifg : 4; /* adjust IFG from 96+/-56 */ ++ unsigned int : 1; /* reserved */ ++ unsigned int loop_back : 1; /* transmit data loopback enable */ ++ unsigned int dis_rx : 1; /* disable receive */ ++ unsigned int dis_tx : 1; /* disable transmit */ ++#else ++ unsigned int dis_tx : 1; /* disable transmit */ ++ unsigned int dis_rx : 1; /* disable receive */ ++ unsigned int loop_back : 1; /* transmit data loopback enable */ ++ unsigned int : 1; /* reserved */ ++ unsigned int adj_ifg : 4; /* adjust IFG from 96+/-56 */ ++ unsigned int max_len : 3; /* maximum receive frame length allowed */ ++ unsigned int dis_bkoff : 1; /* disable back-off function */ ++ unsigned int dis_col : 1; /* disable 16 collisions abort function */ ++ unsigned int sim_test : 1; /* speed up timers in simulation */ ++ unsigned int rx_fc_en : 1; /* RX flow control enable */ ++ unsigned int tx_fc_en : 1; /* TX flow control enable */ ++ unsigned int rgmii_en : 1; /* RGMII in-band status enable */ ++ unsigned int ipv4_tss_rx_en : 1; /* IPv4 TSS RX enable */ ++ unsigned int ipv6_tss_rx_en : 1; /* IPv6 TSS RX enable */ ++ unsigned int rx_tag_remove : 1; /* Remove Rx VLAN tag */ ++ unsigned int rising_latch : 1; ++ unsigned int inv_rx_clk : 1; /* Inverse RX Clock */ ++ unsigned int : 10; ++#endif ++ } bits; ++} GMAC_CONFIG0_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_001c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 28; ++ unsigned int buf_size : 4; /* per packet buffer size */ ++#else ++ unsigned int buf_size : 4; /* per packet buffer size */ ++ unsigned int : 28; ++#endif ++ } bits; ++} GMAC_CONFIG1_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0020 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++#else ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++#endif ++ } bits; ++} GMAC_CONFIG2_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0024 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 16; ++ unsigned int buf_num : 16; /* return buffer number from software */ ++#else ++ unsigned int buf_num : 16; /* return buffer number from software */ ++ unsigned int : 16; ++#endif ++ } bits; ++} GMAC_BNCR_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0028 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 16; ++ unsigned int buf_remain : 16; /* remaining buffer number */ ++#else ++ unsigned int buf_remain : 16; /* remaining buffer number */ ++ unsigned int : 16; ++#endif ++ } bits; ++} GMAC_RBNR_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_002c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 25; ++ unsigned int mii_rmii : 2; /* PHY interface type */ ++ unsigned int phy_mode : 1; /* PHY interface mode in 10M-bps */ ++ unsigned int duplex : 1; /* duplex mode */ ++ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ ++ unsigned int link : 1; /* link status */ ++#else ++ unsigned int link : 1; /* link status */ ++ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ ++ unsigned int duplex : 1; /* duplex mode */ ++ unsigned int phy_mode : 1; /* PHY interface mode in 10M-bps */ ++ unsigned int mii_rmii : 2; /* PHY interface type */ ++ unsigned int : 25; ++#endif ++ } bits; ++} GMAC_STATUS_T; ++ ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_009 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 10; ++ unsigned int tx_fail : 1; /* Tx fail interrupt */ ++ unsigned int cnt_full : 1; /* MIB counters half full interrupt */ ++ unsigned int rx_pause_on : 1; /* received pause on frame interrupt */ ++ unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */ ++ unsigned int rx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int tx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */ ++ unsigned int tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt */ ++ unsigned int : 6; ++ unsigned int m_tx_fail : 1; /* Tx fail interrupt mask */ ++ unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */ ++ unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */ ++ unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */ ++ unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */ ++ unsigned int m_tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt mask */ ++#else ++ unsigned int m_tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt mask */ ++ unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */ ++ unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */ ++ unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */ ++ unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */ ++ unsigned int m_tx_fail : 1; /* Tx fail interrupt mask */ ++ unsigned int : 6; ++ unsigned int tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt */ ++ unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */ ++ unsigned int tx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int rx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */ ++ unsigned int rx_pause_on : 1; /* received pause on frame interrupt */ ++ unsigned int cnt_full : 1; /* MIB counters half full interrupt */ ++ unsigned int tx_fail : 1; /* Tx fail interrupt */ ++ unsigned int : 10; ++#endif ++ } bits; ++} GMAC_INT_MASK_T; ++ ++ ++/*******************************************/ ++/* the register structure of GMAC DMA */ ++/*******************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff00 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 7; /* reserved */ ++ unsigned int s_ahb_err : 1; /* Slave AHB bus error */ ++ unsigned int tx_err_code : 4; /* TxDMA error code */ ++ unsigned int rx_err_code : 4; /* RxDMA error code */ ++ unsigned int device_id : 12; ++ unsigned int revision_id : 4; ++#else ++ unsigned int revision_id : 4; ++ unsigned int device_id : 12; ++ unsigned int rx_err_code : 4; /* RxDMA error code */ ++ unsigned int tx_err_code : 4; /* TxDMA error code */ ++ unsigned int s_ahb_err : 1; /* Slave AHB bus error */ ++ unsigned int : 7; /* reserved */ ++#endif ++ } bits; ++} GMAC_DMA_DEVICE_ID_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff04 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int ts_finish : 1; /* finished tx interrupt */ ++ unsigned int ts_derr : 1; /* AHB Bus Error while tx */ ++ unsigned int ts_perr : 1; /* Tx Descriptor protocol error */ ++ unsigned int ts_eodi : 1; /* TxDMA end of descriptor interrupt */ ++ unsigned int ts_eofi : 1; /* TxDMA end of frame interrupt */ ++ unsigned int rs_finish : 1; /* finished rx interrupt */ ++ unsigned int rs_derr : 1; /* AHB Bus Error while rx */ ++ unsigned int rs_perr : 1; /* Rx Descriptor protocol error */ ++ unsigned int rs_eodi : 1; /* RxDMA end of descriptor interrupt */ ++ unsigned int rs_eofi : 1; /* RxDMA end of frame interrupt */ ++ unsigned int : 1; /* Tx fail interrupt */ ++ unsigned int cnt_full : 1; /* MIB counters half full interrupt */ ++ unsigned int rx_pause_on : 1; /* received pause on frame interrupt */ ++ unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */ ++ unsigned int rx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int tx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */ ++ unsigned int link_change : 1; /* GMAC link changed Interrupt for RGMII mode */ ++ unsigned int : 1; ++ unsigned int : 1; ++ unsigned int : 3; ++ unsigned int loop_back : 1; /* loopback TxDMA to RxDMA */ ++ unsigned int : 1; /* Tx fail interrupt mask */ ++ unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */ ++ unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */ ++ unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */ ++ unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */ ++ unsigned int m_link_change : 1; /* GMAC link changed Interrupt mask for RGMII mode */ ++#else ++ unsigned int m_link_change : 1; /* GMAC link changed Interrupt mask for RGMII mode */ ++ unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */ ++ unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */ ++ unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */ ++ unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */ ++ unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */ ++ unsigned int : 1; /* Tx fail interrupt mask */ ++ unsigned int loop_back : 1; /* loopback TxDMA to RxDMA */ ++ unsigned int : 3; ++ unsigned int : 1; ++ unsigned int : 1; ++ unsigned int link_change : 1; /* GMAC link changed Interrupt for RGMII mode */ ++ unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */ ++ unsigned int tx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int rx_pause_off : 1; /* received pause off frame interrupt */ ++ unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */ ++ unsigned int rx_pause_on : 1; /* received pause on frame interrupt */ ++ unsigned int cnt_full : 1; /* MIB counters half full interrupt */ ++ unsigned int : 1; /* Tx fail interrupt */ ++ unsigned int rs_eofi : 1; /* RxDMA end of frame interrupt */ ++ unsigned int rs_eodi : 1; /* RxDMA end of descriptor interrupt */ ++ unsigned int rs_perr : 1; /* Rx Descriptor protocol error */ ++ unsigned int rs_derr : 1; /* AHB Bus Error while rx */ ++ unsigned int rs_finish : 1; /* finished rx interrupt */ ++ unsigned int ts_eofi : 1; /* TxDMA end of frame interrupt */ ++ unsigned int ts_eodi : 1; /* TxDMA end of descriptor interrupt */ ++ unsigned int ts_perr : 1; /* Tx Descriptor protocol error */ ++ unsigned int ts_derr : 1; /* AHB Bus Error while tx */ ++ unsigned int ts_finish : 1; /* finished tx interrupt */ ++#endif ++ } bits; ++} GMAC_DMA_STATUS_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff08 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int td_start : 1; /* Start DMA transfer */ ++ unsigned int td_continue : 1; /* Continue DMA operation */ ++ unsigned int td_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/ ++ unsigned int : 1; ++ unsigned int td_prot : 4; /* TxDMA protection control */ ++ unsigned int td_burst_size : 2; /* TxDMA max burst size for every AHB request */ ++ unsigned int td_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */ ++ unsigned int td_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */ ++ unsigned int td_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */ ++ unsigned int td_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */ ++ unsigned int : 14; ++#else ++ unsigned int : 14; ++ unsigned int td_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */ ++ unsigned int td_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */ ++ unsigned int td_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */ ++ unsigned int td_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */ ++ unsigned int td_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */ ++ unsigned int td_burst_size : 2; /* TxDMA max burst size for every AHB request */ ++ unsigned int td_prot : 4; /* TxDMA protection control */ ++ unsigned int : 1; ++ unsigned int td_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/ ++ unsigned int td_continue : 1; /* Continue DMA operation */ ++ unsigned int td_start : 1; /* Start DMA transfer */ ++#endif ++ } bits; ++} GMAC_TXDMA_CTRL_T; ++ ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff0c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int td_first_des_ptr : 28;/* first descriptor address */ ++ unsigned int td_busy : 1;/* 1-TxDMA busy; 0-TxDMA idle */ ++ unsigned int : 3; ++#else ++ unsigned int : 3; ++ unsigned int td_busy : 1;/* 1-TxDMA busy; 0-TxDMA idle */ ++ unsigned int td_first_des_ptr : 28;/* first descriptor address */ ++#endif ++ } bits; ++} GMAC_TXDMA_FIRST_DESC_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff10 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int ndar : 28; /* next descriptor address */ ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int : 1; ++ unsigned int sof_eof : 2; ++#else ++ unsigned int sof_eof : 2; ++ unsigned int : 1; ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int ndar : 28; /* next descriptor address */ ++#endif ++ } bits; ++} GMAC_TXDMA_CURR_DESC_T; ++ ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff14 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rd_start : 1; /* Start DMA transfer */ ++ unsigned int rd_continue : 1; /* Continue DMA operation */ ++ unsigned int rd_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/ ++ unsigned int : 1; ++ unsigned int rd_prot : 4; /* DMA protection control */ ++ unsigned int rd_burst_size : 2; /* DMA max burst size for every AHB request */ ++ unsigned int rd_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */ ++ unsigned int rd_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */ ++ unsigned int rd_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */ ++ unsigned int : 14; ++#else ++ unsigned int : 14; ++ unsigned int rd_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */ ++ unsigned int rd_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */ ++ unsigned int rd_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */ ++ unsigned int rd_burst_size : 2; /* DMA max burst size for every AHB request */ ++ unsigned int rd_prot : 4; /* DMA protection control */ ++ unsigned int : 1; ++ unsigned int rd_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/ ++ unsigned int rd_continue : 1; /* Continue DMA operation */ ++ unsigned int rd_start : 1; /* Start DMA transfer */ ++#endif ++ } bits; ++} GMAC_RXDMA_CTRL_T; ++ ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff18 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rd_first_des_ptr : 28;/* first descriptor address */ ++ unsigned int rd_busy : 1;/* 1-RxDMA busy; 0-RxDMA idle */ ++ unsigned int : 3; ++#else ++ unsigned int : 3; ++ unsigned int rd_busy : 1;/* 1-RxDMA busy; 0-RxDMA idle */ ++ unsigned int rd_first_des_ptr : 28;/* first descriptor address */ ++#endif ++ } bits; ++} GMAC_RXDMA_FIRST_DESC_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit2_ff1c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int ndar : 28; /* next descriptor address */ ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int : 1; ++ unsigned int sof_eof : 2; ++#else ++ unsigned int sof_eof : 2; ++ unsigned int : 1; ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int ndar : 28; /* next descriptor address */ ++#endif ++ } bits; ++} GMAC_RXDMA_CURR_DESC_T; ++ ++ ++/********************************************/ ++/* Descriptor Format */ ++/********************************************/ ++ ++typedef struct descriptor_t ++{ ++ union frame_control_t ++ { ++ unsigned int bits32; ++ struct bits_0000 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int csum_state : 3; /* checksum error status */ ++ unsigned int vlan_tag : 1; /* 802.1q vlan tag packet */ ++ unsigned int frame_state: 3; /* reference Rx Status1 */ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++#else ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int frame_state: 3; /* reference Rx Status1 */ ++ unsigned int vlan_tag : 1; /* 802.1q vlan tag packet */ ++ unsigned int csum_state : 3; /* checksum error status */ ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++#endif ++ } bits_rx; ++ ++ struct bits_0001 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int : 6; ++ unsigned int success_tx : 1; /* successful transmitted */ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++#else ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int success_tx : 1; /* successful transmitted */ ++ unsigned int : 6; ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++#endif ++ } bits_tx_in; ++ ++ struct bits_0002 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int : 2; ++ unsigned int udp_csum_en: 1; /* TSS UDP checksum enable */ ++ unsigned int tcp_csum_en: 1; /* TSS TCP checksum enable */ ++ unsigned int ipv6_tx_en : 1; /* TSS IPv6 TX enable */ ++ unsigned int ip_csum_en : 1; /* TSS IPv4 IP Header checksum enable */ ++ unsigned int vlan_enable: 1; /* VLAN TIC insertion enable */ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++#else ++ unsigned int buffer_size:16; /* transfer buffer size associated with current description*/ ++ unsigned int desc_count : 6; /* number of descriptors used for the current frame */ ++ unsigned int vlan_enable: 1; /* VLAN TIC insertion enable */ ++ unsigned int ip_csum_en : 1; /* TSS IPv4 IP Header checksum enable */ ++ unsigned int ipv6_tx_en : 1; /* TSS IPv6 TX enable */ ++ unsigned int tcp_csum_en: 1; /* TSS TCP checksum enable */ ++ unsigned int udp_csum_en: 1; /* TSS UDP checksum enable */ ++ unsigned int : 2; ++ unsigned int perr : 1; /* protocol error during processing this descriptor */ ++ unsigned int derr : 1; /* data error during processing this descriptor */ ++ unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */ ++#endif ++ } bits_tx_out; ++ ++ } frame_ctrl; ++ ++ union flag_status_t ++ { ++ unsigned int bits32; ++ struct bits_0004 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int priority : 3; /* user priority extracted from receiving frame*/ ++ unsigned int cfi : 1; /* cfi extracted from receiving frame*/ ++ unsigned int vlan_id :12; /* VLAN ID extracted from receiving frame */ ++ unsigned int frame_count:16; /* received frame byte count,include CRC,not include VLAN TIC */ ++#else ++ unsigned int frame_count:16; /* received frame byte count,include CRC,not include VLAN TIC */ ++ unsigned int vlan_id :12; /* VLAN ID extracted from receiving frame */ ++ unsigned int cfi : 1; /* cfi extracted from receiving frame*/ ++ unsigned int priority : 3; /* user priority extracted from receiving frame*/ ++#endif ++ } bits_rx_status; ++ ++ struct bits_0005 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int priority : 3; /* user priority to transmit*/ ++ unsigned int cfi : 1; /* cfi to transmit*/ ++ unsigned int vlan_id :12; /* VLAN ID to transmit */ ++ unsigned int frame_count:16; /* total tx frame byte count */ ++#else ++ unsigned int frame_count:16; /* total tx frame byte count */ ++ unsigned int vlan_id :12; /* VLAN ID to transmit */ ++ unsigned int cfi : 1; /* cfi to transmit*/ ++ unsigned int priority : 3; /* user priority to transmit*/ ++#endif ++ } bits_tx_flag; ++ } flag_status; ++ ++ unsigned int buf_adr; /* data buffer address */ ++ ++ union next_desc_t ++ { ++ unsigned int next_descriptor; ++ struct bits_000c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int ndar :28; /* next descriptor address */ ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int : 1; ++ unsigned int sof_eof : 2; /* 00-the linking descriptor 01-the last descriptor of a frame*/ ++ /* 10-the first descriptor of a frame 11-only one descriptor for a frame*/ ++#else ++ unsigned int sof_eof : 2; /* 00-the linking descriptor 01-the last descriptor of a frame*/ ++ /* 10-the first descriptor of a frame 11-only one descriptor for a frame*/ ++ unsigned int : 1; ++ unsigned int eofie : 1; /* end of frame interrupt enable */ ++ unsigned int ndar :28; /* next descriptor address */ ++#endif ++ } bits; ++ } next_desc; ++} GMAC_DESCRIPTOR_T; ++ ++typedef struct gmac_conf { ++ struct net_device *dev; ++ int portmap; ++ int vid; ++ int flag; /* 1: active 0: non-active */ ++} sys_gmac_conf; ++ ++struct gmac_private { ++ unsigned char *tx_bufs; /* Tx bounce buffer region. */ ++ unsigned char *rx_bufs; ++ GMAC_DESCRIPTOR_T *tx_desc; /* point to virtual TX descriptor address*/ ++ GMAC_DESCRIPTOR_T *rx_desc; /* point to virtual RX descriptor address*/ ++ GMAC_DESCRIPTOR_T *tx_cur_desc; /* point to current TX descriptor */ ++ GMAC_DESCRIPTOR_T *rx_cur_desc; /* point to current RX descriptor */ ++ GMAC_DESCRIPTOR_T *tx_finished_desc; ++ GMAC_DESCRIPTOR_T *rx_finished_desc; ++ unsigned long cur_tx; ++ unsigned int cur_rx; /* Index into the Rx buffer of next Rx pkt. */ ++ unsigned int tx_flag; ++ unsigned long dirty_tx; ++ unsigned char *tx_buf[TX_DESC_NUM]; /* Tx bounce buffers */ ++ dma_addr_t tx_desc_dma; /* physical TX descriptor address */ ++ dma_addr_t rx_desc_dma; /* physical RX descriptor address */ ++ dma_addr_t tx_bufs_dma; /* physical TX descriptor address */ ++ dma_addr_t rx_bufs_dma; /* physical RX descriptor address */ ++ struct net_device_stats stats; ++ pid_t thr_pid; ++ wait_queue_head_t thr_wait; ++ struct completion thr_exited; ++ spinlock_t lock; ++ int time_to_die; ++ unsigned int tx_desc_hdr[GMAC_PHY_IF]; /* the descriptor which sw can fill */ ++ unsigned int tx_desc_tail[GMAC_PHY_IF]; /* the descriptor which is not cleaned yet */ ++}; ++ ++ ++struct reg_ioctl_data { ++ unsigned int reg_addr; /* the register address */ ++ unsigned int val_in; /* data write to the register */ ++ unsigned int val_out; /* data read from the register */ ++}; ++ ++#ifdef CONFIG_SL2312_MPAGE ++typedef struct tx_data_t { ++ int freeable; // 1 when it's skb. it can be freed in tx interrupt handler ++ struct sk_buff* skb; // skb ++ int desc_in_use; // 1 when the desc is in use. 0 when desc is available. ++ long end_seq; // to find out packets are in seq. ++ // so this value is the seq of next packet. ++} tx_data; ++#endif ++ ++/************************************************************* ++ * Global Variable ++ *************************************************************/ ++struct semaphore sem_gmac; /* semaphore for share pins issue */ ++ ++/************************************************************* ++ * Static Global Variable ++ *************************************************************/ ++// static unsigned int MAC_BASE_ADDR = GMAC0_BASE; ++static unsigned int gmac_base_addr[GMAC_PHY_IF] = {GMAC0_BASE,GMAC1_BASE}; ++static unsigned int gmac_irq[GMAC_PHY_IF] = {IRQ_GMAC0,IRQ_GMAC1}; ++static struct net_device *gmac_dev[GMAC_PHY_IF]; ++ ++static unsigned int FLAG_SWITCH=0; /* if 1-->switch chip presented. if 0-->switch chip unpresented */ ++static unsigned int flow_control_enable[GMAC_PHY_IF] = {1,1}; ++static unsigned int pre_phy_status[GMAC_PHY_IF] = {LINK_DOWN,LINK_DOWN}; ++static unsigned int tx_desc_virtual_base[GMAC_PHY_IF]; ++static unsigned int rx_desc_virtual_base[GMAC_PHY_IF]; ++static unsigned int full_duplex = 1; ++static unsigned int speed = 1; ++#ifdef CONFIG_SL2312_MPAGE ++static tx_data tx_skb[GMAC_PHY_IF][TX_DESC_NUM]; ++#else ++static struct sk_buff *tx_skb[GMAC_PHY_IF][TX_DESC_NUM]; ++#endif ++static struct sk_buff *rx_skb[GMAC_PHY_IF][RX_DESC_NUM]; ++static unsigned int tx_desc_start_adr[GMAC_PHY_IF]; ++static unsigned int rx_desc_start_adr[GMAC_PHY_IF]; ++static unsigned char eth0_mac[6]= {0x00,0x50,0xc2,0x2b,0xd3,0x25}; ++static unsigned char eth1_mac[6]= {0x00,0x50,0xc2,0x2b,0xdf,0xfe}; ++static unsigned int next_tick = 3 * HZ; ++ ++static unsigned int phy_addr[GMAC_PHY_IF] = {0x01,0x02}; /* define PHY address */ ++ ++DECLARE_WAIT_QUEUE_HEAD(gmac_queue); ++//static wait_queue_t wait; ++ ++struct gmac_conf VLAN_conf[] = { ++#ifdef CONFIG_ADM_6999 ++ { (struct net_device *)0,0x7F,1 }, ++ { (struct net_device *)0,0x80,2 } ++#endif ++#ifdef CONFIG_ADM_6996 ++ { (struct net_device *)0,0x0F,1 }, ++ { (struct net_device *)0,0x10,2 } ++#endif ++}; ++ ++#define NUM_VLAN_IF (sizeof(VLAN_conf)/sizeof(struct gmac_conf)) ++ ++ ++/************************************************/ ++/* GMAC function declare */ ++/************************************************/ ++ ++unsigned int mii_read(unsigned char phyad,unsigned char regad); ++void mii_write(unsigned char phyad,unsigned char regad,unsigned int value); ++static void gmac_set_phy_status(struct net_device *dev); ++static void gmac_get_phy_status(struct net_device *dev); ++static int gmac_phy_thread (void *data); ++static int gmac_set_mac_address(struct net_device *dev, void *addr); ++static void gmac_tx_timeout(struct net_device *dev); ++static void gmac_tx_packet_complete(struct net_device *dev); ++static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev); ++static void gmac_set_rx_mode(struct net_device *dev); ++static void gmac_rx_packet(struct net_device *dev); ++static int gmac_open (struct net_device *dev); ++static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); ++ ++static unsigned int gmac_get_dev_index(struct net_device *dev); ++static unsigned int gmac_select_interface(struct net_device *dev); ++ ++#ifdef CONFIG_SL2312_MPAGE ++int printk_all(int dev_index, struct gmac_private* tp); ++#endif ++ ++/****************************************/ ++/* SPI Function Declare */ ++/****************************************/ ++void SPI_write(unsigned char addr,unsigned int value); ++unsigned int SPI_read(unsigned char table,unsigned char addr); ++void SPI_write_bit(char bit_EEDO); ++unsigned int SPI_read_bit(void); ++void SPI_default(void); ++void SPI_reset(unsigned char rstype,unsigned char port_cnt); ++void SPI_pre_st(void); ++void SPI_CS_enable(unsigned char enable); ++void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask); ++void SPI_Set_tag(unsigned int port,unsigned tag); ++void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask); ++unsigned int SPI_Get_PVID(unsigned int port); ++void SPI_mac_lock(unsigned int port, unsigned char lock); ++void SPI_get_port_state(unsigned int port); ++void SPI_port_enable(unsigned int port,unsigned char enable); ++unsigned int SPI_get_identifier(void); ++void SPI_get_status(unsigned int port); ++ ++/****************************************/ ++/* VLAN Function Declare */ ++/****************************************/ ++int getVLANfromdev (struct net_device *dev ); ++struct net_device * getdevfromVLAN( int VID); ++ ++ ++ ++/************************************************/ ++/* function body */ ++/************************************************/ ++#if 0 ++void hw_memcpy(void *to,const void *from,unsigned long n) ++{ ++ writel(from,SL2312_DRAM_CTRL_BASE+0x20); /* set source address */ ++ writel(to,SL2312_DRAM_CTRL_BASE+0x24); /* set destination address */ ++ writel(n,SL2312_DRAM_CTRL_BASE+0x28); /* set byte count */ ++ writel(0x00000001,SL2312_DRAM_CTRL_BASE+0x2c); ++ while (readl(SL2312_DRAM_CTRL_BASE+0x2c)); ++} ++#endif ++ ++static unsigned int gmac_read_reg(unsigned int addr) ++{ ++ unsigned int reg_val; ++// unsigned int flags; ++// spinlock_t lock; ++ ++// spin_lock_irqsave(&lock, flags); ++ reg_val = readl(addr); // Gary Chen ++// spin_unlock_irqrestore(&lock, flags); ++ return (reg_val); ++} ++ ++static void gmac_write_reg(unsigned int addr,unsigned int data,unsigned int bit_mask) ++{ ++ unsigned int reg_val; ++ //unsigned int *addr; ++// unsigned int flags; ++// spinlock_t lock; ++ ++// spin_lock_irqsave(&lock, flags); ++ reg_val = ( gmac_read_reg(addr) & (~bit_mask) ) | (data & bit_mask); ++ writel(reg_val,addr); ++// spin_unlock_irqrestore(&lock, flags); ++ return; ++} ++ ++ ++static void gmac_sw_reset(struct net_device *dev) ++{ ++ unsigned int index; ++ unsigned int reg_val; ++ ++ index = gmac_get_dev_index(dev); ++ if (index==0) ++ reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000020; /* GMAC0 S/W reset */ ++ else ++ reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000040; /* GMAC1 S/W reset */ ++ ++ writel(reg_val,GMAC_GLOBAL_BASE_ADDR+0x0c); ++ return; ++} ++ ++static void gmac_get_mac_address(void) ++{ ++#ifdef CONFIG_MTD ++ extern int get_vlaninfo(vlaninfo* vlan); ++ static vlaninfo vlan[2]; ++ ++ if (get_vlaninfo(&vlan[0])) ++ { ++ memcpy(eth0_mac,vlan[0].mac,6); ++ VLAN_conf[0].vid = vlan[0].vlanid; ++ VLAN_conf[0].portmap = vlan[0].vlanmap; ++ memcpy(eth1_mac,vlan[1].mac,6); ++ VLAN_conf[1].vid = vlan[1].vlanid; ++ VLAN_conf[1].portmap = vlan[1].vlanmap; ++ } ++#else ++ unsigned int reg_val; ++ ++ reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac); ++ eth0_mac[4] = (reg_val & 0xff00) >> 8; ++ eth0_mac[5] = reg_val & 0x00ff; ++ reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac); ++ eth1_mac[4] = (reg_val & 0xff00) >> 8; ++ eth1_mac[5] = reg_val & 0x00ff; ++#endif ++ return; ++} ++ ++static unsigned int gmac_get_dev_index(struct net_device *dev) ++{ ++ unsigned int i; ++ ++ /* get device index number */ ++ for (i=0;i<GMAC_PHY_IF;i++) ++ { ++ if (gmac_dev[i]==dev) ++ { ++ return(i); ++ } ++ } ++ return (0xff); ++} ++ ++static unsigned int gmac_select_interface(struct net_device *dev) ++{ ++ unsigned int index; ++ ++ index = gmac_get_dev_index(dev); ++ // MAC_BASE_ADDR = gmac_base_addr[index]; // Gary Chen ++ return (index); ++} ++ ++ ++static void gmac_dump_register(struct net_device *dev) ++{ ++#if 0 ++ unsigned int i,val,index; ++ ++ index = gmac_select_interface(dev); ++ ++ printk("========== GMAC%d ==========\n",index); ++ for (i=0;i<=0x7c;i=i+4) ++ { ++ val = gmac_read_reg(gmac_base_addr[index] + i); ++ printk("offset = %08x value = %08x\n",i,val); ++ } ++ for (i=0xff00;i<=0xff7c;i=i+4) ++ { ++ val = gmac_read_reg(gmac_base_addr[index] + i); ++ printk("offset = %08x value = %08x\n",i,val); ++ } ++#endif ++} ++ ++static int gmac_init_chip(struct net_device *dev) ++{ ++ GMAC_RBNR_T rbnr_val,rbnr_mask; ++ GMAC_CONFIG2_T config2_val; ++ GMAC_CONFIG0_T config0,config0_mask; ++ GMAC_CONFIG1_T config1; ++ struct sockaddr sock; ++ unsigned int status; ++ unsigned int phy_mode; ++ unsigned int index; ++ ++ index = gmac_get_dev_index(dev); ++ ++ /* set GMAC RMII mode */ ++ if (index==0) ++ phy_mode = 0; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */ ++ else ++ phy_mode = 2; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */ ++ ++ /* set PHY operation mode */ ++ status = (phy_mode<<5) | 0x11 | (full_duplex<<3) | (speed<<1); ++ gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status ,0x0000007f); ++ ++ /* set station MAC address1 and address2 */ ++ if (index==0) ++ memcpy(&sock.sa_data[0],ð0_mac[0],6); ++ else ++ memcpy(&sock.sa_data[0],ð1_mac[0],6); ++ gmac_set_mac_address(dev,(void *)&sock); ++ ++ /* set RX_FLTR register to receive all multicast packet */ ++ gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x0000001F,0x0000001f); ++ //gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x00000007,0x0000001f); ++ ++ /* set per packet buffer size */ ++ config1.bits32 = 0; ++ config1.bits.buf_size = 11; /* buffer size = 2048-byte */ ++ gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG1,config1.bits32,0x0000000f); ++ ++ /* set flow control threshold */ ++ config2_val.bits32 = 0; ++ config2_val.bits.set_threshold = RX_DESC_NUM/4; ++ config2_val.bits.rel_threshold = RX_DESC_NUM*3/4; ++ gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG2,config2_val.bits32,0xffffffff); ++ ++ /* init remaining buffer number register */ ++ rbnr_val.bits32 = 0; ++ rbnr_val.bits.buf_remain = RX_DESC_NUM; ++ rbnr_mask.bits32 = 0; ++ rbnr_mask.bits.buf_remain = 0xffff; ++ gmac_write_reg(gmac_base_addr[index] + GMAC_RBNR,rbnr_val.bits32,rbnr_mask.bits32); ++ ++ /* disable TX/RX and disable internal loop back */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.max_len = 2; ++ if (flow_control_enable[index]==1) ++ { ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ printk("Enable MAC Flow Control...\n"); ++ } ++ else ++ { ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ printk("Disable MAC Flow Control...\n"); ++ } ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0.bits.loop_back = 0; /* enable/disable GMAC loopback */ ++ config0.bits.inv_rx_clk = 0; ++ config0.bits.rising_latch = 1; ++ config0.bits.ipv4_tss_rx_en = 1; /* enable H/W to check ip checksum */ ++ config0.bits.ipv6_tss_rx_en = 1; /* enable H/W to check ip checksum */ ++ ++ config0_mask.bits.max_len = 7; ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ config0_mask.bits.loop_back = 1; ++ config0_mask.bits.inv_rx_clk = 1; ++ config0_mask.bits.rising_latch = 1; ++ config0_mask.bits.ipv4_tss_rx_en = 1; ++ config0_mask.bits.ipv6_tss_rx_en = 1; ++ gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++ ++ return (0); ++} ++ ++static void gmac_enable_tx_rx(struct net_device *dev) ++{ ++ GMAC_CONFIG0_T config0,config0_mask; ++ int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 0; /* enable rx */ ++ config0.bits.dis_tx = 0; /* enable tx */ ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++} ++ ++static void gmac_disable_tx_rx(struct net_device *dev) ++{ ++ GMAC_CONFIG0_T config0,config0_mask; ++ int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++} ++ ++#ifdef CONFIG_SL_NAPI ++static int gmac_rx_poll_ga(struct net_device *dev, int *budget) ++{ ++ struct gmac_private *tp = dev->priv; ++ struct sk_buff *skb; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ GMAC_RXDMA_FIRST_DESC_T rxdma_busy; ++ GMAC_DESCRIPTOR_T *rx_desc; ++ unsigned int pkt_size; ++ unsigned int desc_count; ++ unsigned int vid; ++// unsigned int priority; ++ unsigned int own; ++ unsigned int good_frame = 0; ++ unsigned int index; ++ unsigned int dev_index; ++ int work = 0; ++ int work_done = 0; ++ int quota = min(dev->quota, *budget); ++ ++ dev_index = gmac_select_interface(dev); ++ ++ for (;;) ++ { ++ own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31; ++ if (own == CPU) /* check owner bit */ ++ { ++ rx_desc = tp->rx_cur_desc; ++#if (GMAC_DEBUG==1) ++ /* check error interrupt */ ++ if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) ) ++ { ++ printk("%s::Rx Descriptor Processing Error !!!\n",__func__); ++ } ++#endif ++ /* get frame information from the first descriptor of the frame */ ++ pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/ ++#if (GMAC_DEBUG==1) ++ priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */ ++#endif ++ vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */ ++ if (vid == 0) ++ { ++ vid = 1; /* default vlan */ ++ } ++ desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */ ++ ++ if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */ ++ { ++ tp->stats.rx_bytes += pkt_size; ++ tp->stats.rx_packets++; ++ good_frame = 1; ++ } ++ else ++ { ++ tp->stats.rx_errors++; ++ good_frame = 0; ++ printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state); ++ } ++ } ++ else ++ { ++ work_done = 1; ++ break; /* Rx process is completed */ ++ } ++ ++ if (good_frame == 1) ++ { ++ /* get rx skb buffer index */ ++ index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ if (rx_skb[dev_index][index]) ++ { ++ skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */ ++ rx_skb[dev_index][index]->dev = dev; ++ rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY; ++ skb_put(rx_skb[dev_index][index],pkt_size); ++ rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */ ++ netif_rx(rx_skb[dev_index][index]); /* socket rx */ ++ dev->last_rx = jiffies; ++ ++ /* allocate rx skb buffer */ ++ if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); ++ } ++ rx_skb[dev_index][index] = skb; ++ tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */ ++ } ++ else ++ { ++ printk("%s::rx skb index error !\n",__func__); ++ } ++ } ++ ++ tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */ ++ /* point to next rx descriptor */ ++ tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]); ++ ++ /* release buffer to Remaining Buffer Number Register */ ++ if (flow_control_enable[dev_index] ==1) ++ { ++// gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff); ++ writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR)); ++ } ++ ++ if (work++ >= quota ) ++ { ++ break; ++ } ++ } ++ ++ /* if RX DMA process is stoped , restart it */ ++ rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC); ++ if (rxdma_busy.bits.rd_busy == 0) ++ { ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ } ++ ++ dev->quota -= work; ++ *budget -= work; ++ if (work_done==1) ++ { ++ /* Receive descriptor is empty now */ ++ netif_rx_complete(dev); ++ /* enable receive interrupt */ ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000); /* enable rx interrupt */ ++ return 0; ++ } ++ else ++ { ++ return -1; ++ } ++} ++ ++static int gmac_rx_poll_gb(struct net_device *dev, int *budget) ++{ ++ struct gmac_private *tp = dev->priv; ++ struct sk_buff *skb; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ GMAC_RXDMA_FIRST_DESC_T rxdma_busy; ++ GMAC_DESCRIPTOR_T *rx_desc; ++ unsigned int pkt_size; ++ unsigned int desc_count; ++ unsigned int vid; ++// unsigned int priority; ++ unsigned int own; ++ unsigned int good_frame = 0; ++ unsigned int index; ++ unsigned int dev_index; ++ int work = 0; ++ int work_done = 0; ++ int quota = min(dev->quota, *budget); ++ ++ dev_index = gmac_select_interface(dev); ++ ++ for (;;) ++ { ++ own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31; ++ if (own == CPU) /* check owner bit */ ++ { ++ rx_desc = tp->rx_cur_desc; ++#if (GMAC_DEBUG==1) ++ /* check error interrupt */ ++ if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) ) ++ { ++ printk("%s::Rx Descriptor Processing Error !!!\n",__func__); ++ } ++#endif ++ /* get frame information from the first descriptor of the frame */ ++ pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/ ++#if (GMAC_DEBUG==1) ++ priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */ ++#endif ++ vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */ ++ if (vid == 0) ++ { ++ vid = 1; /* default vlan */ ++ } ++ desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */ ++ ++ if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */ ++ { ++ tp->stats.rx_bytes += pkt_size; ++ tp->stats.rx_packets++; ++ good_frame = 1; ++ } ++ else ++ { ++ tp->stats.rx_errors++; ++ good_frame = 0; ++ printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state); ++ } ++ } ++ else ++ { ++ work_done = 1; ++ break; /* Rx process is completed */ ++ } ++ ++ if (good_frame == 1) ++ { ++ /* get rx skb buffer index */ ++ index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ if (rx_skb[dev_index][index]) ++ { ++ skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */ ++ rx_skb[dev_index][index]->dev = dev; ++ rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY; ++ skb_put(rx_skb[dev_index][index],pkt_size); ++ rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */ ++ netif_rx(rx_skb[dev_index][index]); /* socket rx */ ++ dev->last_rx = jiffies; ++ ++ /* allocate rx skb buffer */ ++ if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); ++ } ++ rx_skb[dev_index][index] = skb; ++ tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */ ++ } ++ else ++ { ++ printk("%s::rx skb index error !\n",__func__); ++ } ++ } ++ ++ tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */ ++ /* point to next rx descriptor */ ++ tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]); ++ ++ /* release buffer to Remaining Buffer Number Register */ ++ if (flow_control_enable[dev_index] ==1) ++ { ++// gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff); ++ writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR)); ++ } ++ ++ if (work++ >= quota ) ++ { ++ break; ++ } ++ } ++ ++ /* if RX DMA process is stoped , restart it */ ++ rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC); ++ if (rxdma_busy.bits.rd_busy == 0) ++ { ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ } ++ ++ dev->quota -= work; ++ *budget -= work; ++ if (work_done==1) ++ { ++ /* Receive descriptor is empty now */ ++ netif_rx_complete(dev); ++ /* enable receive interrupt */ ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000); /* enable rx interrupt */ ++ return 0; ++ } ++ else ++ { ++ return -1; ++ } ++} ++ ++#endif ++ ++static void gmac_rx_packet(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ struct sk_buff *skb; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ GMAC_RXDMA_FIRST_DESC_T rxdma_busy; ++ GMAC_DESCRIPTOR_T *rx_desc; ++ unsigned int pkt_size; ++ unsigned int desc_count; ++ unsigned int vid; ++// unsigned int priority; ++ unsigned int own; ++ unsigned int good_frame = 0; ++ unsigned int i,index; ++ unsigned int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ for (i=0;i<256;i++) ++ { ++ own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31; ++ if (own == CPU) /* check owner bit */ ++ { ++ rx_desc = tp->rx_cur_desc; ++#if (GMAC_DEBUG==1) ++ /* check error interrupt */ ++ if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) ) ++ { ++ printk("%s::Rx Descriptor Processing Error !!!\n",__func__); ++ } ++#endif ++ /* get frame information from the first descriptor of the frame */ ++ pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/ ++#if (GMAC_DEBUG==1) ++ priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */ ++#endif ++ vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */ ++ if (vid == 0) ++ { ++ vid = 1; /* default vlan */ ++ } ++ desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */ ++ ++ if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */ ++ { ++ tp->stats.rx_bytes += pkt_size; ++ tp->stats.rx_packets++; ++ good_frame = 1; ++ } ++ else ++ { ++ tp->stats.rx_errors++; ++ good_frame = 0; ++ printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state); ++ } ++ } ++ else ++ { ++ break; /* Rx process is completed */ ++ } ++ ++ if (good_frame == 1) ++ { ++ /* get rx skb buffer index */ ++ index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ if (rx_skb[dev_index][index]) ++ { ++ skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */ ++ rx_skb[dev_index][index]->dev = dev; ++ rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY; ++ skb_put(rx_skb[dev_index][index],pkt_size); ++ rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */ ++ netif_rx(rx_skb[dev_index][index]); /* socket rx */ ++ dev->last_rx = jiffies; ++ ++ /* allocate rx skb buffer */ ++ if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); ++ } ++ rx_skb[dev_index][index] = skb; ++ tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */ ++ } ++ else ++ { ++ printk("%s::rx skb index error !\n",__func__); ++ } ++ } ++ ++ tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */ ++ /* point to next rx descriptor */ ++ tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]); ++ ++ /* release buffer to Remaining Buffer Number Register */ ++ if (flow_control_enable[dev_index] ==1) ++ { ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff); ++ } ++ } ++ ++ /* if RX DMA process is stoped , restart it */ ++ rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC); ++ if (rxdma_busy.bits.rd_busy == 0) ++ { ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ } ++} ++ ++#ifdef CONFIG_SL2312_MPAGE ++static inline void free_tx_buf(int dev_index, int desc_index) ++{ ++ if (tx_skb[dev_index][desc_index].freeable && ++ tx_skb[dev_index][desc_index].skb) { ++ struct sk_buff* skb = tx_skb[dev_index][desc_index].skb; ++ //printk("free_skb %x, len %d\n", skb, skb->len); ++#ifdef CONFIG_TXINT_DISABLE ++ dev_kfree_skb(skb); ++#else ++ dev_kfree_skb_irq(skb); ++#endif ++ tx_skb[dev_index][desc_index].skb = 0; ++ } ++} ++ ++#ifdef CONFIG_TXINT_DISABLE ++static void gmac_tx_packet_complete(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ GMAC_DESCRIPTOR_T *tx_hw_complete_desc, *next_desc; ++ unsigned int desc_cnt=0; ++ unsigned int i,index,dev_index; ++ unsigned int tx_current_descriptor = 0; ++ // int own_dma = 0; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ if (tx_skb[dev_index][index].desc_in_use && tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU) { ++ free_tx_buf(dev_index, index); ++ tx_skb[dev_index][index].desc_in_use = 0; ++ } ++ next_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ ++ for (;;) { ++ tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]); ++ if (next_desc == tx_hw_complete_desc) ++ break; ++ if (next_desc->frame_ctrl.bits_tx_in.own == CPU) { ++ if (next_desc->frame_ctrl.bits_tx_in.success_tx == 1) { ++ tp->stats.tx_bytes += next_desc->flag_status.bits_tx_flag.frame_count; ++ tp->stats.tx_packets ++; ++ } else { ++ tp->stats.tx_errors++; ++ } ++ desc_cnt = next_desc->frame_ctrl.bits_tx_in.desc_count; ++ for (i=1; i<desc_cnt; i++) { ++ /* get tx skb buffer index */ ++ index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ next_desc->frame_ctrl.bits_tx_in.own = CPU; ++ free_tx_buf(dev_index, index); ++ tx_skb[dev_index][index].desc_in_use = 0; ++ tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1); ++ /* release Tx descriptor to CPU */ ++ next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ } ++ /* get tx skb buffer index */ ++ index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ /* free skb buffer */ ++ next_desc->frame_ctrl.bits_tx_in.own = CPU; ++ free_tx_buf(dev_index, index); ++ tx_skb[dev_index][index].desc_in_use = 0; ++ tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1); ++ tp->tx_finished_desc = next_desc; ++// printk("finish tx_desc index %d\n", index); ++ next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ } ++ else ++ break; ++ } ++ if (netif_queue_stopped(dev)) ++ { ++ netif_wake_queue(dev); ++ } ++ ++} ++#else ++static void gmac_tx_packet_complete(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ GMAC_DESCRIPTOR_T *tx_hw_complete_desc; ++ unsigned int desc_cnt=0; ++ unsigned int i,index,dev_index; ++ unsigned int tx_current_descriptor = 0; ++ // int own_dma = 0; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ ++ /* check tx status and accumulate tx statistics */ ++ for (;;) ++ { ++ ++ for (i=0;i<1000;i++) ++ { ++ tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC); ++ if ( ((tx_current_descriptor & 0x00000003)==0x00000003) || /* only one descriptor */ ++ ((tx_current_descriptor & 0x00000003)==0x00000001) ) /* the last descriptor */ ++ { ++ break; ++ } ++ udelay(1); ++ } ++ if (i==1000) ++ { ++// gmac_dump_register(dev); ++// printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor); ++// printk_all(dev_index, tp); ++ continue; ++ } ++ ++ /* get tx H/W completed descriptor virtual address */ ++ tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((tx_current_descriptor & 0xfffffff0)+ tx_desc_virtual_base[dev_index]); ++// tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]); ++ if (tp->tx_finished_desc == tx_hw_complete_desc ) // || ++ //tx_skb[dev_index][index].desc_in_use ) /* complete tx processing */ ++ { ++ break; ++ } ++ ++ for (;;) ++ { ++ if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU) ++ { ++ #if (GMAC_DEBUG==1) ++ if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) || ++ (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) ) ++ { ++ printk("%s::Descriptor Processing Error !!!\n",__func__); ++ } ++ #endif ++ if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1) ++ { ++ tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count; ++ tp->stats.tx_packets ++; ++ } ++ else ++ { ++ tp->stats.tx_errors++; ++ } ++ desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count; ++ for (i=1; i<desc_cnt; i++) /* multi-descriptor in one packet */ ++ { ++ /* get tx skb buffer index */ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU; ++ free_tx_buf(dev_index, index); ++ tx_skb[dev_index][index].desc_in_use = 0; ++ /* release Tx descriptor to CPU */ ++ tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ } ++ /* get tx skb buffer index */ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ /* free skb buffer */ ++ tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU; ++ free_tx_buf(dev_index, index); ++ tx_skb[dev_index][index].desc_in_use = 0; ++ tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ ++ if (tp->tx_finished_desc == tx_hw_complete_desc ) ++ { ++ break; ++ } ++ } ++ else ++ { ++ break; ++ } ++ } ++ } ++ ++ if (netif_queue_stopped(dev)) ++ { ++ netif_wake_queue(dev); ++ } ++ ++} ++#endif ++#else ++ ++static void gmac_tx_packet_complete(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ GMAC_DESCRIPTOR_T *tx_hw_complete_desc; ++ unsigned int desc_cnt=0; ++ unsigned int i,index,dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* get tx H/W completed descriptor virtual address */ ++ tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]); ++ /* check tx status and accumulate tx statistics */ ++ for (;;) ++ { ++ if (tp->tx_finished_desc == tx_hw_complete_desc) /* complete tx processing */ ++ { ++ break; ++ } ++ if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU) ++ { ++#if (GMAC_DEBUG==1) ++ if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) || ++ (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) ) ++ { ++ printk("%s::Descriptor Processing Error !!!\n",__func__); ++ } ++#endif ++ if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1) ++ { ++ tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count; ++ tp->stats.tx_packets ++; ++ } ++ else ++ { ++ tp->stats.tx_errors++; ++ } ++ desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count; ++ for (i=1; i<desc_cnt; i++) /* multi-descriptor in one packet */ ++ { ++ /* get tx skb buffer index */ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ /* free skb buffer */ ++ if (tx_skb[dev_index][index]) ++ { ++ dev_kfree_skb_irq(tx_skb[dev_index][index]); ++ } ++ /* release Tx descriptor to CPU */ ++ tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU; ++ } ++ /* get tx skb buffer index */ ++ index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ /* free skb buffer */ ++ if (tx_skb[dev_index][index]) ++ { ++ dev_kfree_skb_irq(tx_skb[dev_index][index]); ++ } ++ tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ } ++ } ++ ++ if (netif_queue_stopped(dev)) ++ { ++ netif_wake_queue(dev); ++ } ++ ++} ++ ++ ++#endif ++ ++#if 0 ++static void gmac_weird_interrupt(struct net_device *dev) ++{ ++ gmac_dump_register(dev); ++} ++#endif ++ ++/* The interrupt handler does all of the Rx thread work and cleans up ++ after the Tx thread. */ ++static irqreturn_t gmac_interrupt (int irq, void *dev_instance, struct pt_regs *regs) ++{ ++ struct net_device *dev = (struct net_device *)dev_instance; ++ GMAC_RXDMA_FIRST_DESC_T rxdma_busy; ++// GMAC_TXDMA_FIRST_DESC_T txdma_busy; ++// GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ GMAC_DMA_STATUS_T status; ++ unsigned int i,dev_index; ++ int handled = 0; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ handled = 1; ++ ++#ifdef CONFIG_SL_NAPI ++ disable_irq(gmac_irq[dev_index]); /* disable GMAC interrupt */ ++ ++ status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS); /* read DMA status */ ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32); /* clear DMA status */ ++ ++ if (status.bits.rx_overrun == 1) ++ { ++ printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR)); ++ gmac_dump_register(dev); ++ /* if RX DMA process is stoped , restart it */ ++ rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ; ++ if (rxdma_busy.bits.rd_busy == 0) ++ { ++ /* restart Rx DMA process */ ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ } ++ } ++ ++ /* process rx packet */ ++ if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1))) ++ { ++ if (likely(netif_rx_schedule_prep(dev))) ++ { ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0,0x0007c000); /* disable rx interrupt */ ++ __netif_rx_schedule(dev); ++ } ++ } ++#ifndef CONFIG_TXINT_DISABLE ++ /* process tx packet */ ++ if (netif_running(dev) && ((status.bits.ts_eofi==1)||(status.bits.ts_finish==1))) ++ { ++ gmac_tx_packet_complete(dev); ++ } ++#endif ++ ++ enable_irq(gmac_irq[dev_index]); /* enable GMAC interrupt */ ++ return IRQ_RETVAL(handled); ++#endif ++ ++ /* disable GMAC interrupt */ ++ disable_irq(gmac_irq[dev_index]); ++ for (i=0;i<MAX_ISR_WORK;i++) ++ { ++ /* read DMA status */ ++ status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS); ++int_status = status.bits32; ++ /* clear DMA status */ ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32); ++ ++ if ((status.bits32 & 0xffffc000)==0) ++ { ++ break; ++ } ++ ++ if (status.bits.rx_overrun == 1) ++ { ++ printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR)); ++ gmac_dump_register(dev); ++ /* if RX DMA process is stoped , restart it */ ++ rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ; ++ if (rxdma_busy.bits.rd_busy == 0) ++ { ++ /* restart Rx DMA process */ ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ } ++ } ++ ++ /* receive rx interrupt */ ++ if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1))) ++ { ++ gmac_rx_packet(dev); ++// gmac_tx_packet_complete(dev); ++ } ++ ++ /* receive tx interrupt */ ++ // if (netif_running(dev) && (status.bits.ts_finish==1)) ++#ifndef CONFIG_TXINT_DISABLE ++ if (netif_running(dev) && ((status.bits.ts_eofi==1)|| ++ (status.bits.ts_finish==1))) ++ { ++ gmac_tx_packet_complete(dev); ++ } ++#endif ++ /* check uncommon events */ ++/* if ((status.bits32 & 0x632fc000)!=0) ++ { ++ printk("%s::DMA Status = %08x \n",__func__,status.bits32); ++ gmac_weird_interrupt(dev); ++ } ++*/ ++ } ++ ++ /* enable GMAC interrupt */ ++ enable_irq(gmac_irq[dev_index]); ++ //printk("gmac_interrupt complete!\n\n"); ++ return IRQ_RETVAL(handled); ++} ++ ++static void gmac_hw_start(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ GMAC_TXDMA_CURR_DESC_T tx_desc; ++ GMAC_RXDMA_CURR_DESC_T rx_desc; ++ GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ GMAC_DMA_STATUS_T dma_status,dma_status_mask; ++ int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* program TxDMA Current Descriptor Address register for first descriptor */ ++ tx_desc.bits32 = (unsigned int)(tp->tx_desc_dma); ++ tx_desc.bits.eofie = 1; ++ tx_desc.bits.sof_eof = 0x03; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC,tx_desc.bits32,0xffffffff); ++ gmac_write_reg(gmac_base_addr[dev_index] + 0xff2c,tx_desc.bits32,0xffffffff); /* tx next descriptor address */ ++ ++ /* program RxDMA Current Descriptor Address register for first descriptor */ ++ rx_desc.bits32 = (unsigned int)(tp->rx_desc_dma); ++ rx_desc.bits.eofie = 1; ++ rx_desc.bits.sof_eof = 0x03; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CURR_DESC,rx_desc.bits32,0xffffffff); ++ gmac_write_reg(gmac_base_addr[dev_index] + 0xff3c,rx_desc.bits32,0xffffffff); /* rx next descriptor address */ ++ ++ /* enable GMAC interrupt & disable loopback */ ++ dma_status.bits32 = 0; ++ dma_status.bits.loop_back = 0; /* disable DMA loop-back mode */ ++// dma_status.bits.m_tx_fail = 1; ++ dma_status.bits.m_cnt_full = 1; ++ dma_status.bits.m_rx_pause_on = 1; ++ dma_status.bits.m_tx_pause_on = 1; ++ dma_status.bits.m_rx_pause_off = 1; ++ dma_status.bits.m_tx_pause_off = 1; ++ dma_status.bits.m_rx_overrun = 1; ++ dma_status.bits.m_link_change = 1; ++ dma_status_mask.bits32 = 0; ++ dma_status_mask.bits.loop_back = 1; ++// dma_status_mask.bits.m_tx_fail = 1; ++ dma_status_mask.bits.m_cnt_full = 1; ++ dma_status_mask.bits.m_rx_pause_on = 1; ++ dma_status_mask.bits.m_tx_pause_on = 1; ++ dma_status_mask.bits.m_rx_pause_off = 1; ++ dma_status_mask.bits.m_tx_pause_off = 1; ++ dma_status_mask.bits.m_rx_overrun = 1; ++ dma_status_mask.bits.m_link_change = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,dma_status.bits32,dma_status_mask.bits32); ++ ++ /* program tx dma control register */ ++ txdma_ctrl.bits32 = 0; ++ txdma_ctrl.bits.td_start = 0; /* start TX DMA transfer */ ++ txdma_ctrl.bits.td_continue = 0; /* continue Tx DMA operation */ ++ txdma_ctrl.bits.td_chain_mode = 1; /* chain mode */ ++ txdma_ctrl.bits.td_prot = 0; ++ txdma_ctrl.bits.td_burst_size = 2; /* DMA burst size for every AHB request */ ++ txdma_ctrl.bits.td_bus = 2; /* peripheral bus width */ ++ txdma_ctrl.bits.td_endian = 0; /* little endian */ ++#ifdef CONFIG_TXINT_DISABLE ++ txdma_ctrl.bits.td_finish_en = 0; /* DMA finish event interrupt disable */ ++#else ++ txdma_ctrl.bits.td_finish_en = 1; /* DMA finish event interrupt enable */ ++#endif ++ txdma_ctrl.bits.td_fail_en = 1; /* DMA fail interrupt enable */ ++ txdma_ctrl.bits.td_perr_en = 1; /* protocol failure interrupt enable */ ++ txdma_ctrl.bits.td_eod_en = 0; /* disable Tx End of Descriptor Interrupt */ ++ //txdma_ctrl.bits.td_eod_en = 0; /* disable Tx End of Descriptor Interrupt */ ++#ifdef CONFIG_TXINT_DISABLE ++ txdma_ctrl.bits.td_eof_en = 0; /* end of frame interrupt disable */ ++#else ++ txdma_ctrl.bits.td_eof_en = 1; /* end of frame interrupt enable */ ++#endif ++ txdma_ctrl_mask.bits32 = 0; ++ txdma_ctrl_mask.bits.td_start = 1; ++ txdma_ctrl_mask.bits.td_continue = 1; ++ txdma_ctrl_mask.bits.td_chain_mode = 1; ++ txdma_ctrl_mask.bits.td_prot = 15; ++ txdma_ctrl_mask.bits.td_burst_size = 3; ++ txdma_ctrl_mask.bits.td_bus = 3; ++ txdma_ctrl_mask.bits.td_endian = 1; ++ txdma_ctrl_mask.bits.td_finish_en = 1; ++ txdma_ctrl_mask.bits.td_fail_en = 1; ++ txdma_ctrl_mask.bits.td_perr_en = 1; ++ txdma_ctrl_mask.bits.td_eod_en = 1; ++ //txdma_ctrl_mask.bits.td_eod_en = 1; ++ txdma_ctrl_mask.bits.td_eof_en = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32); ++ ++ /* program rx dma control register */ ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */ ++ rxdma_ctrl.bits.rd_chain_mode = 1; /* chain mode */ ++ rxdma_ctrl.bits.rd_prot = 0; ++ rxdma_ctrl.bits.rd_burst_size = 2; /* DMA burst size for every AHB request */ ++ rxdma_ctrl.bits.rd_bus = 2; /* peripheral bus width */ ++ rxdma_ctrl.bits.rd_endian = 0; /* little endian */ ++ rxdma_ctrl.bits.rd_finish_en = 1; /* DMA finish event interrupt enable */ ++ rxdma_ctrl.bits.rd_fail_en = 1; /* DMA fail interrupt enable */ ++ rxdma_ctrl.bits.rd_perr_en = 1; /* protocol failure interrupt enable */ ++ rxdma_ctrl.bits.rd_eod_en = 0; /* disable Rx End of Descriptor Interrupt */ ++ rxdma_ctrl.bits.rd_eof_en = 1; /* end of frame interrupt enable */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ rxdma_ctrl_mask.bits.rd_chain_mode = 1; ++ rxdma_ctrl_mask.bits.rd_prot = 15; ++ rxdma_ctrl_mask.bits.rd_burst_size = 3; ++ rxdma_ctrl_mask.bits.rd_bus = 3; ++ rxdma_ctrl_mask.bits.rd_endian = 1; ++ rxdma_ctrl_mask.bits.rd_finish_en = 1; ++ rxdma_ctrl_mask.bits.rd_fail_en = 1; ++ rxdma_ctrl_mask.bits.rd_perr_en = 1; ++ rxdma_ctrl_mask.bits.rd_eod_en = 1; ++ rxdma_ctrl_mask.bits.rd_eof_en = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++ return; ++} ++ ++static void gmac_hw_stop(struct net_device *dev) ++{ ++ GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask; ++ GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask; ++ int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* program tx dma control register */ ++ txdma_ctrl.bits32 = 0; ++ txdma_ctrl.bits.td_start = 0; ++ txdma_ctrl.bits.td_continue = 0; ++ txdma_ctrl_mask.bits32 = 0; ++ txdma_ctrl_mask.bits.td_start = 1; ++ txdma_ctrl_mask.bits.td_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32); ++ /* program rx dma control register */ ++ rxdma_ctrl.bits32 = 0; ++ rxdma_ctrl.bits.rd_start = 0; /* stop RX DMA transfer */ ++ rxdma_ctrl.bits.rd_continue = 0; /* stop continue RX DMA operation */ ++ rxdma_ctrl_mask.bits32 = 0; ++ rxdma_ctrl_mask.bits.rd_start = 1; ++ rxdma_ctrl_mask.bits.rd_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32); ++} ++ ++static int gmac_init_desc_buf(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ struct sk_buff *skb; ++ dma_addr_t tx_first_desc_dma=0; ++ dma_addr_t rx_first_desc_dma=0; ++ dma_addr_t rx_first_buf_dma=0; ++ unsigned int i,index; ++ ++ printk("Descriptor buffer init......\n"); ++ ++ /* get device index number */ ++ index = gmac_get_dev_index(dev); ++#ifdef CONFIG_SL2312_MPAGE ++ for (i=0; i<TX_DESC_NUM; i++) { ++ tx_skb[index][i].freeable = 0; ++ tx_skb[index][i].skb = 0; ++ tx_skb[index][i].desc_in_use = 0; ++ tx_skb[index][i].end_seq = 0; ++ } ++#else ++ for (i=0;i<TX_DESC_NUM;i++) ++ { ++ tx_skb[index][i] = NULL; ++ } ++#endif ++ for (i=0;i<RX_DESC_NUM;i++) ++ { ++ rx_skb[index][i] = NULL; ++ } ++ ++ /* allocates TX/RX descriptors */ ++ tp->tx_desc = DMA_MALLOC(TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->tx_desc_dma); ++ tx_desc_virtual_base[index] = (unsigned int)tp->tx_desc - (unsigned int)tp->tx_desc_dma; ++ memset(tp->tx_desc,0x00,TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T)); ++ tp->rx_desc = DMA_MALLOC(RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->rx_desc_dma); ++ rx_desc_virtual_base[index] = (unsigned int)tp->rx_desc - (unsigned int)tp->rx_desc_dma; ++ memset(tp->rx_desc,0x00,RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T)); ++ tx_desc_start_adr[index] = (unsigned int)tp->tx_desc; /* for tx skb index calculation */ ++ rx_desc_start_adr[index] = (unsigned int)tp->rx_desc; /* for rx skb index calculation */ ++ printk("tx_desc = %08x\n",(unsigned int)tp->tx_desc); ++ printk("rx_desc = %08x\n",(unsigned int)tp->rx_desc); ++ printk("tx_desc_dma = %08x\n",tp->tx_desc_dma); ++ printk("rx_desc_dma = %08x\n",tp->rx_desc_dma); ++ ++ if (tp->tx_desc==0x00 || tp->rx_desc==0x00) ++ { ++ free_irq(dev->irq, dev); ++ ++ if (tp->tx_desc) ++ DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->tx_desc_dma); ++ if (tp->rx_desc) ++ DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->rx_desc_dma); ++ return -ENOMEM; ++ } ++ ++ /* TX descriptors initial */ ++ tp->tx_cur_desc = tp->tx_desc; /* virtual address */ ++ tp->tx_finished_desc = tp->tx_desc; /* virtual address */ ++ tx_first_desc_dma = tp->tx_desc_dma; /* physical address */ ++ for (i = 1; i < TX_DESC_NUM; i++) ++ { ++ tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU; /* set owner to CPU */ ++ tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE; /* set tx buffer size for descriptor */ ++ tp->tx_desc_dma = tp->tx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next tx descriptor DMA address */ ++ tp->tx_desc->next_desc.next_descriptor = tp->tx_desc_dma | 0x0000000b; ++ tp->tx_desc = &tp->tx_desc[1] ; /* next tx descriptor virtual address */ ++ } ++ /* the last descriptor will point back to first descriptor */ ++ tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU; ++ tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE; ++ tp->tx_desc->next_desc.next_descriptor = tx_first_desc_dma | 0x0000000b; ++ tp->tx_desc = tp->tx_cur_desc; ++ tp->tx_desc_dma = tx_first_desc_dma; ++ ++ /* RX descriptors initial */ ++ tp->rx_cur_desc = tp->rx_desc; /* virtual address */ ++ rx_first_desc_dma = tp->rx_desc_dma; /* physical address */ ++ for (i = 1; i < RX_DESC_NUM; i++) ++ { ++ if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); ++ } ++ rx_skb[index][i-1] = skb; ++ tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */ ++ tp->rx_desc->frame_ctrl.bits_rx.own = DMA; /* set owner bit to DMA */ ++ tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE; /* set rx buffer size for descriptor */ ++ tp->rx_bufs_dma = tp->rx_bufs_dma + RX_BUF_SIZE; /* point to next buffer address */ ++ tp->rx_desc_dma = tp->rx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next rx descriptor DMA address */ ++ tp->rx_desc->next_desc.next_descriptor = tp->rx_desc_dma | 0x0000000b; ++ tp->rx_desc = &tp->rx_desc[1]; /* next rx descriptor virtual address */ ++ } ++ /* the last descriptor will point back to first descriptor */ ++ if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); ++ } ++ rx_skb[index][i-1] = skb; ++ tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */ ++ tp->rx_desc->frame_ctrl.bits_rx.own = DMA; ++ tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE; ++ tp->rx_desc->next_desc.next_descriptor = rx_first_desc_dma | 0x0000000b; ++ tp->rx_desc = tp->rx_cur_desc; ++ tp->rx_desc_dma = rx_first_desc_dma; ++ tp->rx_bufs_dma = rx_first_buf_dma; ++ ++ for (i=0; i<GMAC_PHY_IF; i++) { ++ tp->tx_desc_hdr[i] = 0; ++ tp->tx_desc_tail[i] = 0; ++ } ++ return (0); ++} ++ ++static int gmac_clear_counter (struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ unsigned int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++// tp = gmac_dev[index]->priv; ++ /* clear counter */ ++ gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS); ++ gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS); ++ tp->stats.tx_bytes = 0; ++ tp->stats.tx_packets = 0; ++ tp->stats.tx_errors = 0; ++ tp->stats.rx_bytes = 0; ++ tp->stats.rx_packets = 0; ++ tp->stats.rx_errors = 0; ++ tp->stats.rx_dropped = 0; ++ return (0); ++} ++ ++static int gmac_open (struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ int retval; ++ ++ gmac_select_interface(dev); ++ ++ /* chip reset */ ++ gmac_sw_reset(dev); ++ ++ /* allocates tx/rx descriptor and buffer memory */ ++ gmac_init_desc_buf(dev); ++ ++ /* get mac address from FLASH */ ++ gmac_get_mac_address(); ++ ++ /* set PHY register to start autonegition process */ ++ gmac_set_phy_status(dev); ++ ++ /* GMAC initialization */ ++ if (gmac_init_chip(dev)) ++ { ++ printk (KERN_ERR "GMAC init fail\n"); ++ } ++ ++ /* start DMA process */ ++ gmac_hw_start(dev); ++ ++ /* enable tx/rx register */ ++ gmac_enable_tx_rx(dev); ++ ++ /* clear statistic counter */ ++ gmac_clear_counter(dev); ++ ++ netif_start_queue (dev); ++ ++ /* hook ISR */ ++ retval = request_irq (dev->irq, gmac_interrupt, SA_INTERRUPT, dev->name, dev); ++ if (retval) ++ return retval; ++ ++ if(!FLAG_SWITCH) ++ { ++ init_waitqueue_head (&tp->thr_wait); ++ init_completion(&tp->thr_exited); ++ ++ tp->time_to_die = 0; ++ tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES); ++ if (tp->thr_pid < 0) ++ { ++ printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name); ++ } ++ } ++ return (0); ++} ++ ++static int gmac_close(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ unsigned int i,dev_index; ++ unsigned int ret; ++ ++ dev_index = gmac_get_dev_index(dev); ++ ++ /* stop tx/rx packet */ ++ gmac_disable_tx_rx(dev); ++ ++ /* stop the chip's Tx and Rx DMA processes */ ++ gmac_hw_stop(dev); ++ ++ netif_stop_queue(dev); ++ ++ /* disable interrupts by clearing the interrupt mask */ ++ synchronize_irq(); ++ free_irq(dev->irq,dev); ++ ++ DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->tx_desc_dma); ++ DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->rx_desc_dma); ++ ++#ifdef CONFIG_SL2312_MPAGE ++// kfree(tx_skb); ++#endif ++ ++ for (i=0;i<RX_DESC_NUM;i++) ++ { ++ if (rx_skb[dev_index][i]) ++ { ++ dev_kfree_skb(rx_skb[dev_index][i]); ++ } ++ } ++ if(!FLAG_SWITCH) ++ { ++ if (tp->thr_pid >= 0) ++ { ++ tp->time_to_die = 1; ++ wmb(); ++ ret = kill_proc (tp->thr_pid, SIGTERM, 1); ++ if (ret) ++ { ++ printk (KERN_ERR "%s: unable to signal thread\n", dev->name); ++ return ret; ++ } ++// wait_for_completion (&tp->thr_exited); ++ } ++ } ++ ++ return (0); ++} ++ ++#ifdef CONFIG_SL2312_MPAGE ++int printk_all(int dev_index, struct gmac_private* tp) ++{ ++ int i=0; ++ unsigned int tx_current_descriptor = 0; ++ int hw_index; ++ int fi; ++ GMAC_DESCRIPTOR_T* tmp_desc; ++ ++ GMAC_DESCRIPTOR_T* cur_desc=tp->tx_cur_desc; ++ fi = ((unsigned int)cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ printk("tmp_desc %x, id %d\n", (int)cur_desc, fi); ++ ++ tmp_desc = (GMAC_DESCRIPTOR_T*)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ hw_index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/ sizeof(GMAC_DESCRIPTOR_T); ++ printk("hd_desc %x, ind %d, fin desc %x\n",(int)tmp_desc, hw_index, (int)tp->tx_finished_desc); ++ ++ for (i=0; i<TX_DESC_NUM; i++) { ++ printk("**id %4d, hw_index %4d ==> ", fi, hw_index); ++ printk("fc %8x ", tmp_desc->frame_ctrl.bits32); ++ printk("fs %8x ", tmp_desc->flag_status.bits32); ++ printk("fb %8x ", tmp_desc->buf_adr); ++ printk("fd %8x\n", tmp_desc->next_desc.next_descriptor); ++ tmp_desc = (GMAC_DESCRIPTOR_T*)((tmp_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ fi = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ } ++ tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC); ++ printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor); ++ printk("%s: interrupt status = %x \n",__func__,int_status); ++ return 0; ++} ++ ++int cleanup_desc(int dev_index, struct gmac_private* tp) ++{ ++ int i=0; ++ int index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T); ++ GMAC_DESCRIPTOR_T* fill_desc = tp->tx_cur_desc; ++ ++ for (i=0; i< TX_DESC_NUM; i++) ++ { ++ fill_desc->frame_ctrl.bits_tx_out.own = CPU; ++ fill_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE; ++ tx_skb[dev_index][index].desc_in_use = 0; ++ free_tx_buf(dev_index, index); ++ printk("cleanup di %d\n", index); ++ fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ index++; ++ if (index > TX_DESC_NUM) ++ index = 0; ++ } ++ return 1; ++} ++ ++size_t get_available_tx_desc(struct net_device* dev, int dev_index) ++{ ++ struct gmac_private *tp = dev->priv; ++ unsigned int desc_hdr = tp->tx_desc_hdr[dev_index]; ++ unsigned int desc_tail = tp->tx_desc_tail[dev_index]; ++ int available_desc_num = (TX_DESC_NUM - desc_hdr + desc_tail) & (TX_DESC_NUM-1); ++ if (!available_desc_num) { ++ if (tx_skb[dev_index][desc_hdr].desc_in_use) ++ return 0; ++ else ++ return TX_DESC_NUM; ++ } ++ return available_desc_num; ++} ++ ++int check_free_tx_desc(int dev_index, int n, GMAC_DESCRIPTOR_T* desc) ++{ ++ int i,index; ++ GMAC_DESCRIPTOR_T* tmp_desc = desc; ++ ++ if (n > TX_DESC_NUM) ++ return 0; ++ ++ index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T); ++ for (i=0; i<n; i++) ++ { ++ if (tx_skb[dev_index][index].desc_in_use) ++ { ++ printk("sw desc %d is in use\n", index); ++ /* cleanup all the descriptors to check if DMA still running */ ++ return 0; ++ } ++ index++; ++ if (index == TX_DESC_NUM) ++ index = 0; ++ } ++ return 1; ++} ++ ++#define TCPHDRLEN(tcp_hdr) ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F) ++ ++inline int fill_in_desc(int dev_index, GMAC_DESCRIPTOR_T *desc, char* data, int len, int total_len, int sof, int freeable, int ownership, struct sk_buff* skb) ++{ ++ int index = ((unsigned int)desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ ++ if (desc->frame_ctrl.bits_tx_in.own == CPU) ++ { ++ tx_skb[dev_index][index].freeable = freeable; ++ if ((sof & 0x01) && skb) { ++ tx_skb[dev_index][index].skb = skb; ++ } ++ else ++ tx_skb[dev_index][index].skb = 0; ++ ++ if (sof != 2) ++ tx_skb[dev_index][index].desc_in_use = 1; ++ else ++ tx_skb[dev_index][index].desc_in_use = 0; ++ ++ consistent_sync(data, len, PCI_DMA_TODEVICE); ++ desc->buf_adr = (unsigned int)__pa(data); ++ desc->frame_ctrl.bits_tx_out.buffer_size = len; ++ desc->flag_status.bits_tx_flag.frame_count = total_len; ++ desc->next_desc.bits.eofie = 1; ++ desc->next_desc.bits.sof_eof = sof; ++ desc->frame_ctrl.bits_tx_out.vlan_enable = 0; ++ desc->frame_ctrl.bits_tx_out.ip_csum_en = 1; /* TSS IPv4 IP header checksum enable */ ++ desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 1; /* TSS IPv6 tx enable */ ++ desc->frame_ctrl.bits_tx_out.tcp_csum_en = 1; /* TSS TCP checksum enable */ ++ desc->frame_ctrl.bits_tx_out.udp_csum_en = 1; /* TSS UDP checksum enable */ ++ wmb(); ++ desc->frame_ctrl.bits_tx_out.own = ownership; ++// consistent_sync(desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE); ++ } ++ return 0; ++} ++#endif ++ ++static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ GMAC_TXDMA_CTRL_T tx_ctrl,tx_ctrl_mask; ++ GMAC_TXDMA_FIRST_DESC_T txdma_busy; ++ unsigned int len = skb->len; ++ unsigned int dev_index; ++ static unsigned int pcount = 0; ++#ifdef CONFIG_SL2312_MPAGE ++ GMAC_DESCRIPTOR_T *fill_desc; ++ int snd_pages = skb_shinfo(skb)->nr_frags; /* get number of descriptor */ ++ int desc_needed = 1; // for jumbo packet, one descriptor is enough. ++ int header_len = skb->len; ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ int tcp_hdr_len; ++ int data_len; ++ int prv_index; ++ long seq_num; ++ int first_desc_index; ++ int ownership, freeable; ++ int eof; ++ int i=0; ++#endif ++#ifdef CONFIG_TXINT_DISABLE ++ int available_desc_cnt = 0; ++#endif ++ ++ dev_index = gmac_select_interface(dev); ++ ++#ifdef CONFIG_TXINT_DISABLE ++ available_desc_cnt = get_available_tx_desc(dev, dev_index); ++ ++ if (available_desc_cnt < (TX_DESC_NUM >> 2)) { ++ gmac_tx_packet_complete(dev); ++ } ++#endif ++ ++#ifdef CONFIG_SL2312_MPAGE ++ ++ fill_desc = tp->tx_cur_desc; ++ if(!fill_desc) { ++ printk("cur_desc is NULL!\n"); ++ return -1; ++ } ++ ++ if (storlink_ctl.recvfile==2) ++ { ++ printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len); ++ } ++ ++ if (snd_pages) ++ desc_needed += snd_pages; /* decriptors needed for this large packet */ ++ ++ if (!check_free_tx_desc(dev_index, desc_needed, fill_desc)) { ++ printk("no available desc!\n"); ++ gmac_dump_register(dev); ++ printk_all(dev_index, tp); ++ tp->stats.tx_dropped++; ++ if (pcount++ > 10) ++ { ++ for (;;); ++ } ++ return -1; ++ } ++ ++ first_desc_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ ++ /* check if the tcp packet is in order*/ ++ ip_hdr = (struct iphdr*) &(skb->data[14]); ++ tcp_hdr = (struct tcphdr*) &(skb->data[14+ip_hdr->ihl * 4]); ++ tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4; ++ data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len; ++ ++ prv_index = first_desc_index-1; ++ if (prv_index <0) ++ prv_index += TX_DESC_NUM; ++ seq_num = ntohl(tcp_hdr->seq); ++ ++ if (snd_pages) ++ { ++ // calculate header length ++ // check fragment total length and header len = skb len - frag len ++ // or parse the header. ++ for (i=0; i<snd_pages; i++) { ++ skb_frag_t* frag = &skb_shinfo(skb)->frags[i]; ++ header_len -= frag->size; ++ } ++ ownership = CPU; ++ freeable = 0; ++ /* fill header into first descriptor */ ++ fill_in_desc(dev_index, fill_desc, skb->data, header_len, len, 2, freeable, ownership, 0); ++ fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len; ++ ++ eof = 0; ++ ownership = DMA; ++ for (i=0; i<snd_pages; i++) ++ { ++ skb_frag_t* frag = &skb_shinfo(skb)->frags[i]; ++ int start_pos = frag->page_offset; ++ char* data_buf = page_address(frag->page); ++ int data_size = frag->size; ++ int cur_index; ++ ++ if (i == snd_pages-1) ++ { ++ eof=1; ++ freeable = 1; ++ } ++ fill_in_desc(dev_index, fill_desc, data_buf+(start_pos), data_size, ++ len, eof, freeable, ownership, skb); ++ cur_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ ++ fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ } ++ /* pass the ownership of the first descriptor to hardware */ ++// disable_irq(gmac_irq[dev_index]); ++ tx_skb[dev_index][first_desc_index].desc_in_use = 1; ++ wmb(); ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA; ++// consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE); ++ tp->tx_cur_desc = fill_desc; ++ dev->trans_start = jiffies; ++// enable_irq(gmac_irq[dev_index]); ++ } ++ else if ( tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU ) ++ { ++// tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len; ++// disable_irq(gmac_irq[dev_index]); ++ fill_in_desc(dev_index, tp->tx_cur_desc, skb->data, skb->len, skb->len, 3, 1, DMA, skb); ++// enable_irq(gmac_irq[dev_index]); ++ //consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE); ++ tp->tx_cur_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]); ++ dev->trans_start = jiffies; ++ } ++ else ++ { ++ printk("gmac tx drop!\n"); ++ tp->stats.tx_dropped++; ++ return -1; ++ } ++ ++#ifdef CONFIG_TXINT_DISABLE ++ tp->tx_desc_hdr[dev_index] = (tp->tx_desc_hdr[dev_index] + desc_needed) & (TX_DESC_NUM-1); ++#endif ++ ++#else ++ if ((tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU) && (len < TX_BUF_SIZE)) ++ { ++ index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T); ++ tx_skb[dev_index][index] = skb; ++ consistent_sync(skb->data,skb->len,PCI_DMA_TODEVICE); ++ tp->tx_cur_desc->buf_adr = (unsigned int)__pa(skb->data); ++ tp->tx_cur_desc->flag_status.bits_tx_flag.frame_count = len; /* total frame byte count */ ++ tp->tx_cur_desc->next_desc.bits.sof_eof = 0x03; /*only one descriptor*/ ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.buffer_size = len; /* descriptor byte count */ ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.vlan_enable = 0; ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.ip_csum_en = 0; /* TSS IPv4 IP header checksum enable */ ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 0 ; /* TSS IPv6 tx enable */ ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.tcp_csum_en = 0; /* TSS TCP checksum enable */ ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.udp_csum_en = 0; /* TSS UDP checksum enable */ ++ wmb(); ++ tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA; /* set owner bit */ ++ tp->tx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]); ++ dev->trans_start = jiffies; ++ } ++ else ++ { ++ /* no free tx descriptor */ ++ dev_kfree_skb(skb); ++ netif_stop_queue(dev); ++ tp->stats.tx_dropped++; ++ return (-1); ++ } ++#endif ++ /* if TX DMA process is stoped , restart it */ ++ txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC); ++ if (txdma_busy.bits.td_busy == 0) ++ { ++ /* restart DMA process */ ++ tx_ctrl.bits32 = 0; ++ tx_ctrl.bits.td_start = 1; ++ tx_ctrl.bits.td_continue = 1; ++ tx_ctrl_mask.bits32 = 0; ++ tx_ctrl_mask.bits.td_start = 1; ++ tx_ctrl_mask.bits.td_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32); ++ } ++ return (0); ++} ++ ++ ++struct net_device_stats * gmac_get_stats(struct net_device *dev) ++{ ++ struct gmac_private *tp = dev->priv; ++ unsigned long flags; ++ unsigned int pkt_drop; ++ unsigned int pkt_error; ++ unsigned int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++// if (storlink_ctl.recvfile==3) ++// { ++// printk("GMAC_GLOBAL_BASE_ADDR=%x\n", readl(GMAC_GLOBAL_BASE_ADDR+0x30)); ++// gmac_dump_register(dev); ++// printk_all(0, dev); ++// } ++ ++ if (netif_running(dev)) ++ { ++ /* read H/W counter */ ++ spin_lock_irqsave(&tp->lock,flags); ++ pkt_drop = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS); ++ pkt_error = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS); ++ tp->stats.rx_dropped = tp->stats.rx_dropped + pkt_drop; ++ tp->stats.rx_errors = tp->stats.rx_errors + pkt_error; ++ spin_unlock_irqrestore(&tp->lock,flags); ++ } ++ return &tp->stats; ++} ++ ++static unsigned const ethernet_polynomial = 0x04c11db7U; ++static inline u32 ether_crc (int length, unsigned char *data) ++{ ++ int crc = -1; ++ unsigned int i; ++ unsigned int crc_val=0; ++ ++ while (--length >= 0) { ++ unsigned char current_octet = *data++; ++ int bit; ++ for (bit = 0; bit < 8; bit++, current_octet >>= 1) ++ crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ? ++ ethernet_polynomial : 0); ++ } ++ crc = ~crc; ++ for (i=0;i<32;i++) ++ { ++ crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i)); ++ } ++ return crc_val; ++} ++ ++static void gmac_set_rx_mode(struct net_device *dev) ++{ ++ GMAC_RX_FLTR_T filter; ++ unsigned int mc_filter[2]; /* Multicast hash filter */ ++ int bit_nr; ++ unsigned int i, dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++// printk("%s : dev->flags = %x \n",__func__,dev->flags); ++// dev->flags |= IFF_ALLMULTI; /* temp */ ++ filter.bits32 = 0; ++ filter.bits.error = 0; ++ if (dev->flags & IFF_PROMISC) ++ { ++ filter.bits.error = 1; ++ filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } ++ else if (dev->flags & IFF_ALLMULTI) ++ { ++ filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } ++ else ++ { ++ struct dev_mc_list *mclist; ++ ++ filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0; ++ for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next) ++ { ++ bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f; ++ if (bit_nr < 32) ++ { ++ mc_filter[0] = mc_filter[0] | (1<<bit_nr); ++ } ++ else ++ { ++ mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32)); ++ } ++ } ++ } ++ filter.bits32 = 0x1f; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RX_FLTR,filter.bits32,0xffffffff); ++ ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL0,mc_filter[0],0xffffffff); ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL1,mc_filter[1],0xffffffff); ++ return; ++} ++ ++static int gmac_set_mac_address(struct net_device *dev, void *addr) ++{ ++ struct sockaddr *sock; ++ unsigned int reg_val; ++ unsigned int dev_index; ++ unsigned int i; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ sock = (struct sockaddr *) addr; ++ for (i = 0; i < 6; i++) ++ { ++ dev->dev_addr[i] = sock->sa_data[i]; ++ } ++ ++ reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24); ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD0,reg_val,0xffffffff); ++ reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8) ; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD1,reg_val,0x0000ffff); ++ memcpy(ð0_mac[0],&dev->dev_addr[0],6); ++ printk("Storlink %s address = ",dev->name); ++ printk("%02x",dev->dev_addr[0]); ++ printk("%02x",dev->dev_addr[1]); ++ printk("%02x",dev->dev_addr[2]); ++ printk("%02x",dev->dev_addr[3]); ++ printk("%02x",dev->dev_addr[4]); ++ printk("%02x\n",dev->dev_addr[5]); ++ ++ return (0); ++} ++ ++static void gmac_tx_timeout(struct net_device *dev) ++{ ++ GMAC_TXDMA_CTRL_T tx_ctrl,tx_ctrl_mask; ++ GMAC_TXDMA_FIRST_DESC_T txdma_busy; ++ int dev_index; ++ ++ dev_index = gmac_select_interface(dev); ++ ++ /* if TX DMA process is stoped , restart it */ ++ txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC); ++ if (txdma_busy.bits.td_busy == 0) ++ { ++ /* restart DMA process */ ++ tx_ctrl.bits32 = 0; ++ tx_ctrl.bits.td_start = 1; ++ tx_ctrl.bits.td_continue = 1; ++ tx_ctrl_mask.bits32 = 0; ++ tx_ctrl_mask.bits.td_start = 1; ++ tx_ctrl_mask.bits.td_continue = 1; ++ gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32); ++ } ++ netif_wake_queue(dev); ++ return; ++} ++ ++static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ++{ ++ int rc = 0; ++ unsigned char *hwa = rq->ifr_ifru.ifru_hwaddr.sa_data; ++ ++ if (!netif_running(dev)) ++ { ++ printk("Before changing the H/W address,please down the device.\n"); ++ return -EINVAL; ++ } ++ ++ switch (cmd) { ++ case SIOCETHTOOL: ++ break; ++ ++ case SIOCSIFHWADDR: ++ gmac_set_mac_address(dev,hwa); ++ break; ++ ++ case SIOCGMIIPHY: /* Get the address of the PHY in use. */ ++ case SIOCDEVPRIVATE: /* binary compat, remove in 2.5 */ ++ break; ++ ++ case SIOCGMIIREG: /* Read the specified MII register. */ ++ case SIOCDEVPRIVATE+1: ++ break; ++ ++ case SIOCSMIIREG: /* Write the specified MII register */ ++ case SIOCDEVPRIVATE+2: ++ break; ++ ++ default: ++ rc = -EOPNOTSUPP; ++ break; ++ } ++ ++ return rc; ++} ++ ++static void gmac_cleanup_module(void) ++{ ++ int i; ++ ++ for (i=0;i<GMAC_PHY_IF;i++) ++ { ++ unregister_netdev(gmac_dev[i]); ++ } ++ return ; ++} ++ ++static int __init gmac_init_module(void) ++{ ++ struct gmac_private *tp; ++ struct net_device *dev[GMAC_PHY_IF]; ++ unsigned int i; ++ ++#ifdef MODULE ++ printk (KERN_INFO RTL8139_DRIVER_NAME "\n"); ++#endif ++// init_waitqueue_entry(&wait, current); ++ ++ printk("GMAC Init......\n"); ++ for(i = 0; i<GMAC_PHY_IF; i++) ++ { ++ dev[i] = alloc_etherdev(sizeof(struct gmac_private)); ++ if (dev[i] == NULL) ++ { ++ printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i); ++ return -ENOMEM; ++ } ++ gmac_dev[i] = dev[i]; ++ ++ SET_MODULE_OWNER(dev[i]); ++ ++ tp = dev[i]->priv; ++ ++ dev[i]->base_addr = gmac_base_addr[i]; ++ dev[i]->irq = gmac_irq[i]; ++ dev[i]->open = gmac_open; ++ dev[i]->stop = gmac_close; ++ dev[i]->hard_start_xmit = gmac_start_xmit; ++ dev[i]->get_stats = gmac_get_stats; ++ dev[i]->set_multicast_list = gmac_set_rx_mode; ++ dev[i]->set_mac_address = gmac_set_mac_address; ++ dev[i]->do_ioctl = gmac_netdev_ioctl; ++ dev[i]->tx_timeout = gmac_tx_timeout; ++ dev[i]->watchdog_timeo = TX_TIMEOUT; ++ dev[i]->features |= NETIF_F_SG|NETIF_F_HW_CSUM|NETIF_F_TSO; ++#ifdef CONFIG_SL_NAPI ++ printk("NAPI driver is enabled.\n"); ++ if (i==0) ++ { ++ dev[i]->poll = gmac_rx_poll_ga; ++ dev[i]->weight = 64; ++ } ++ else ++ { ++ dev[i]->poll = gmac_rx_poll_gb; ++ dev[i]->weight = 64; ++ } ++#endif ++ ++ if (register_netdev(dev[i])) ++ { ++ gmac_cleanup_module(); ++ return(-1); ++ } ++ } ++ ++#ifdef CONFIG_SL3516_ASIC ++{ ++ unsigned int val; ++ ++ /* set GMAC global register */ ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x10); ++ val = val | 0x005a0000; ++ writel(val,GMAC_GLOBAL_BASE_ADDR+0x10); ++ writel(0x07f007f0,GMAC_GLOBAL_BASE_ADDR+0x1c); ++ writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x20); ++ writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x24); ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x04); ++ if((val&(1<<20))==0){ // GMAC1 enable ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x30); ++ val = (val & 0xe7ffffff) | 0x08000000; ++ writel(val,GMAC_GLOBAL_BASE_ADDR+0x30); ++ } ++ ++} ++#endif ++ ++// printk("%s: dev0=%x dev1=%x \n",__func__,dev[0],dev[1]); ++// FLAG_SWITCH = 0 ; ++// FLAG_SWITCH = SPI_get_identifier(); ++// if(FLAG_SWITCH) ++// { ++// printk("Configure ADM699X...\n"); ++// SPI_default(); //Add by jason for ADM699X configuration ++// } ++ return (0); ++} ++ ++ ++module_init(gmac_init_module); ++module_exit(gmac_cleanup_module); ++ ++static int gmac_phy_thread (void *data) ++{ ++ struct net_device *dev = data; ++ struct gmac_private *tp = dev->priv; ++ unsigned long timeout; ++ ++ daemonize("%s", dev->name); ++ allow_signal(SIGTERM); ++// reparent_to_init(); ++// spin_lock_irq(¤t->sigmask_lock); ++// sigemptyset(¤t->blocked); ++// recalc_sigpending(current); ++// spin_unlock_irq(¤t->sigmask_lock); ++// strncpy (current->comm, dev->name, sizeof(current->comm) - 1); ++// current->comm[sizeof(current->comm) - 1] = '\0'; ++ ++ while (1) ++ { ++ timeout = next_tick; ++ do ++ { ++ timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout); ++ } while (!signal_pending (current) && (timeout > 0)); ++ ++ if (signal_pending (current)) ++ { ++// spin_lock_irq(¤t->sigmask_lock); ++ flush_signals(current); ++// spin_unlock_irq(¤t->sigmask_lock); ++ } ++ ++ if (tp->time_to_die) ++ break; ++ ++// printk("%s : Polling PHY Status...%x\n",__func__,dev); ++ rtnl_lock (); ++ gmac_get_phy_status(dev); ++ rtnl_unlock (); ++ } ++ complete_and_exit (&tp->thr_exited, 0); ++} ++ ++static void gmac_set_phy_status(struct net_device *dev) ++{ ++ GMAC_STATUS_T status; ++ unsigned int reg_val; ++ unsigned int i = 0; ++ unsigned int index; ++ ++ if (FLAG_SWITCH==1) ++ { ++ return; /* GMAC connects to a switch chip, not PHY */ ++ } ++ ++ index = gmac_get_dev_index(dev); ++ ++ if (index == 0) ++ { ++// mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */ ++// mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */ ++ mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++// mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */ ++#ifdef CONFIG_SL3516_ASIC ++ mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */ ++// mii_write(phy_addr[index],0x09,0x0000); /* advertisement 1000M full duplex, pause capable on */ ++#endif ++ } ++ else ++ { ++// mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */ ++// mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */ ++ mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++// mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */ ++#ifdef CONFIG_SL3516_ASIC ++// mii_write(phy_addr[index],0x09,0x0000); /* advertisement no 1000M */ ++ mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */ ++#endif ++ } ++ ++ mii_write(phy_addr[index],0x00,0x1200); /* Enable and Restart Auto-Negotiation */ ++ mii_write(phy_addr[index],0x18,0x0041); /* Enable Active led */ ++ while (((reg_val=mii_read(phy_addr[index],0x01)) & 0x00000004)!=0x04) ++ { ++ i++; ++ if (i > 30) ++ { ++ break; ++ } ++ msleep(100); ++ } ++ if (i>30) ++ { ++ pre_phy_status[index] = LINK_DOWN; ++ clear_bit(__LINK_STATE_START, &dev->state); ++ netif_stop_queue(dev); ++ storlink_ctl.link = 0; ++ printk("Link Down (%04x) ",reg_val); ++ } ++ else ++ { ++ pre_phy_status[index] = LINK_UP; ++ set_bit(__LINK_STATE_START, &dev->state); ++ netif_wake_queue(dev); ++ storlink_ctl.link = 1; ++ printk("Link Up (%04x) ",reg_val); ++ } ++ ++ status.bits32 = 0; ++ reg_val = mii_read(phy_addr[index],10); ++ printk("reg_val0 = %x \n",reg_val); ++ if ((reg_val & 0x0800) == 0x0800) ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 2; ++ printk(" 1000M/Full \n"); ++ } ++ else if ((reg_val & 0x0400) == 0x0400) ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 2; ++ printk(" 1000M/Half \n"); ++ } ++ else ++ { ++ reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5; ++ printk("reg_val1 = %x \n",reg_val); ++ if ((reg_val & 0x08)==0x08) /* 100M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 1; ++ printk(" 100M/Full \n"); ++ } ++ else if ((reg_val & 0x04)==0x04) /* 100M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 1; ++ printk(" 100M/Half \n"); ++ } ++ else if ((reg_val & 0x02)==0x02) /* 10M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 0; ++ printk(" 10M/Full \n"); ++ } ++ else if ((reg_val & 0x01)==0x01) /* 10M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 0; ++ printk(" 100M/Half \n"); ++ } ++ } ++ ++ reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5; ++ if ((reg_val & 0x20)==0x20) ++ { ++ flow_control_enable[index] = 1; ++ printk("Flow Control Enable. \n"); ++ } ++ else ++ { ++ flow_control_enable[index] = 0; ++ printk("Flow Control Disable. \n"); ++ } ++ full_duplex = status.bits.duplex; ++ speed = status.bits.speed; ++} ++ ++static void gmac_get_phy_status(struct net_device *dev) ++{ ++ GMAC_CONFIG0_T config0,config0_mask; ++ GMAC_STATUS_T status; ++ unsigned int reg_val; ++ unsigned int index; ++ ++ index = gmac_select_interface(dev); ++ ++ status.bits32 = 0; ++ status.bits.phy_mode = 1; ++ ++#ifdef CONFIG_SL3516_ASIC ++ status.bits.mii_rmii = 2; /* default value for ASIC version */ ++// status.bits.speed = 1; ++#else ++ if (index==0) ++ status.bits.mii_rmii = 0; ++ else ++ status.bits.mii_rmii = 2; ++#endif ++ ++ /* read PHY status register */ ++ reg_val = mii_read(phy_addr[index],0x01); ++ if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */ ++ { ++ /* read PHY Auto-Negotiation Link Partner Ability Register */ ++ reg_val = mii_read(phy_addr[index],10); ++ if ((reg_val & 0x0800) == 0x0800) ++ { ++ status.bits.mii_rmii = 3; /* RGMII 1000Mbps mode */ ++ status.bits.duplex = 1; ++ status.bits.speed = 2; ++ } ++ else if ((reg_val & 0x0400) == 0x0400) ++ { ++ status.bits.mii_rmii = 3; /* RGMII 1000Mbps mode */ ++ status.bits.duplex = 0; ++ status.bits.speed = 2; ++ } ++ else ++ { ++ reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5; ++ if ((reg_val & 0x08)==0x08) /* 100M full duplex */ ++ { ++ status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */ ++ status.bits.duplex = 1; ++ status.bits.speed = 1; ++ } ++ else if ((reg_val & 0x04)==0x04) /* 100M half duplex */ ++ { ++ status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */ ++ status.bits.duplex = 0; ++ status.bits.speed = 1; ++ } ++ else if ((reg_val & 0x02)==0x02) /* 10M full duplex */ ++ { ++ status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */ ++ status.bits.duplex = 1; ++ status.bits.speed = 0; ++ } ++ else if ((reg_val & 0x01)==0x01) /* 10M half duplex */ ++ { ++ status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */ ++ status.bits.duplex = 0; ++ status.bits.speed = 0; ++ } ++ } ++ status.bits.link = LINK_UP; /* link up */ ++ netif_wake_queue(dev); ++ ++ reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5; ++ if ((reg_val & 0x20)==0x20) ++ { ++ if (flow_control_enable[index] == 0) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++// printk("eth%d Flow Control Enable. \n",index); ++ } ++ flow_control_enable[index] = 1; ++ } ++ else ++ { ++ if (flow_control_enable[index] == 1) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++// printk("eth%d Flow Control Disable. \n",index); ++ } ++ flow_control_enable[index] = 0; ++ } ++ ++ if (pre_phy_status[index] == LINK_DOWN) ++ { ++ gmac_enable_tx_rx(dev); ++ pre_phy_status[index] = LINK_UP; ++ set_bit(__LINK_STATE_START, &dev->state); ++ storlink_ctl.link = 1; ++// printk("eth%d Link Up ...\n",index); ++ } ++ } ++ else ++ { ++ status.bits.link = LINK_DOWN; /* link down */ ++ netif_stop_queue(dev); ++ flow_control_enable[index] = 0; ++ storlink_ctl.link = 0; ++ if (pre_phy_status[index] == LINK_UP) ++ { ++ gmac_disable_tx_rx(dev); ++ pre_phy_status[index] = LINK_DOWN; ++ clear_bit(__LINK_STATE_START, &dev->state); ++// printk("eth%d Link Down ...\n",index); ++ } ++ ++ } ++ ++ reg_val = gmac_read_reg(gmac_base_addr[index] + GMAC_STATUS); ++ if (reg_val != status.bits32) ++ { ++ gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status.bits32,0x0000007f); ++ } ++} ++ ++/***************************************/ ++/* define GPIO module base address */ ++/***************************************/ ++#define GPIO_BASE_ADDR (IO_ADDRESS(SL2312_GPIO_BASE)) ++ ++/* define GPIO pin for MDC/MDIO */ ++ ++// for gemini ASIC ++#ifdef CONFIG_SL3516_ASIC ++#define H_MDC_PIN 22 ++#define H_MDIO_PIN 21 ++#define G_MDC_PIN 22 ++#define G_MDIO_PIN 21 ++#else ++#define H_MDC_PIN 3 ++#define H_MDIO_PIN 2 ++#define G_MDC_PIN 0 ++#define G_MDIO_PIN 1 ++#endif ++ ++//#define GPIO_MDC 0x80000000 ++//#define GPIO_MDIO 0x00400000 ++ ++static unsigned int GPIO_MDC = 0; ++static unsigned int GPIO_MDIO = 0; ++static unsigned int GPIO_MDC_PIN = 0; ++static unsigned int GPIO_MDIO_PIN = 0; ++ ++// For PHY test definition!! ++#define LPC_EECK 0x02 ++#define LPC_EDIO 0x04 ++#define LPC_GPIO_SET 3 ++#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE) ++#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++ ++enum GPIO_REG ++{ ++ GPIO_DATA_OUT = 0x00, ++ GPIO_DATA_IN = 0x04, ++ GPIO_PIN_DIR = 0x08, ++ GPIO_BY_PASS = 0x0c, ++ GPIO_DATA_SET = 0x10, ++ GPIO_DATA_CLEAR = 0x14, ++}; ++/***********************/ ++/* MDC : GPIO[31] */ ++/* MDIO: GPIO[22] */ ++/***********************/ ++ ++/*************************************************** ++* All the commands should have the frame structure: ++*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE> ++****************************************************/ ++ ++/***************************************************************** ++* Inject a bit to NWay register through CSR9_MDC,MDIO ++*******************************************************************/ ++void mii_serial_write(char bit_MDO) // write data into mii PHY ++{ ++#if 0 //def CONFIG_SL2312_LPC_IT8712 ++ unsigned char iomode,status; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode |= (LPC_EECK|LPC_EDIO) ; // Set EECK,EDIO,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ if(bit_MDO) ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= LPC_EDIO ; //EDIO high ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ else ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status &= ~(LPC_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ ++ status |= LPC_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(LPC_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++#else ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = GPIO_BASE_ADDR + GPIO_PIN_DIR; ++ value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */ ++ writel(value,addr); ++ if(bit_MDO) ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDIO,addr); /* set MDIO to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDIO,addr); /* set MDIO to 0 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ } ++ ++#endif ++} ++ ++/********************************************************************** ++* read a bit from NWay register through CSR9_MDC,MDIO ++***********************************************************************/ ++unsigned int mii_serial_read(void) // read data from mii PHY ++{ ++#if 0 //def CONFIG_SL2312_LPC_IT8712 ++ unsigned char iomode,status; ++ unsigned int value ; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode &= ~(LPC_EDIO) ; // Set EDIO input ++ iomode |= (LPC_EECK) ; // Set EECK,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= LPC_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(LPC_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ value = inb_gpio( LPC_GPIO_SET); ++ ++ value = value>>2 ; ++ value &= 0x01; ++ ++ return value ; ++ ++#else ++ unsigned int *addr; ++ unsigned int value; ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR); ++ value = readl(addr) & ~GPIO_MDIO; //0xffbfffff; /* set MDC to output and MDIO to input */ ++ writel(value,addr); ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN); ++ value = readl(addr); ++ value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN; ++ return(value); ++ ++#endif ++} ++ ++/*************************************** ++* preamble + ST ++***************************************/ ++void mii_pre_st(void) ++{ ++ unsigned char i; ++ ++ for(i=0;i<32;i++) // PREAMBLE ++ mii_serial_write(1); ++ mii_serial_write(0); // ST ++ mii_serial_write(1); ++} ++ ++ ++/****************************************** ++* Read MII register ++* phyad -> physical address ++* regad -> register address ++***************************************** */ ++unsigned int mii_read(unsigned char phyad,unsigned char regad) ++{ ++ unsigned int i,value; ++ unsigned int bit; ++ ++ if (phyad == GPHY_ADDR) ++ { ++ GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */ ++ GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */ ++ } ++ else ++ { ++ GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */ ++ GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */ ++ } ++ GPIO_MDC = (1<<GPIO_MDC_PIN); ++ GPIO_MDIO = (1<<GPIO_MDIO_PIN); ++ ++ mii_pre_st(); // PRE+ST ++ mii_serial_write(1); // OP ++ mii_serial_write(0); ++ ++ for (i=0;i<5;i++) { // PHYAD ++ bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ for (i=0;i<5;i++) { // REGAD ++ bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ mii_serial_read(); // TA_Z ++// if((bit=mii_serial_read()) !=0 ) // TA_0 ++// { ++// return(0); ++// } ++ value=0; ++ for (i=0;i<16;i++) { // READ DATA ++ bit=mii_serial_read(); ++ value += (bit<<(15-i)) ; ++ } ++ ++ mii_serial_write(0); // dumy clock ++ mii_serial_write(0); // dumy clock ++//printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value); ++ return(value); ++} ++ ++/****************************************** ++* Write MII register ++* phyad -> physical address ++* regad -> register address ++* value -> value to be write ++***************************************** */ ++void mii_write(unsigned char phyad,unsigned char regad,unsigned int value) ++{ ++ unsigned int i; ++ char bit; ++ ++printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value); ++ if (phyad == GPHY_ADDR) ++ { ++ GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */ ++ GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */ ++ } ++ else ++ { ++ GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */ ++ GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */ ++ } ++ GPIO_MDC = (1<<GPIO_MDC_PIN); ++ GPIO_MDIO = (1<<GPIO_MDIO_PIN); ++ ++ mii_pre_st(); // PRE+ST ++ mii_serial_write(0); // OP ++ mii_serial_write(1); ++ for (i=0;i<5;i++) { // PHYAD ++ bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ for (i=0;i<5;i++) { // REGAD ++ bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ mii_serial_write(1); // TA_1 ++ mii_serial_write(0); // TA_0 ++ ++ for (i=0;i<16;i++) { // OUT DATA ++ bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ; ++ mii_serial_write(bit); ++ } ++ mii_serial_write(0); // dumy clock ++ mii_serial_write(0); // dumy clock ++} ++ ++ ++ ++ ++ ++ ++ ++ ++ ++/* NOTES ++ * The instruction set of the 93C66/56/46/26/06 chips are as follows: ++ * ++ * Start OP * ++ * Function Bit Code Address** Data Description ++ * ------------------------------------------------------------------- ++ * READ 1 10 A7 - A0 Reads data stored in memory, ++ * starting at specified address ++ * EWEN 1 00 11XXXXXX Write enable must precede ++ * all programming modes ++ * ERASE 1 11 A7 - A0 Erase register A7A6A5A4A3A2A1A0 ++ * WRITE 1 01 A7 - A0 D15 - D0 Writes register ++ * ERAL 1 00 10XXXXXX Erase all registers ++ * WRAL 1 00 01XXXXXX D15 - D0 Writes to all registers ++ * EWDS 1 00 00XXXXXX Disables all programming ++ * instructions ++ * *Note: A value of X for address is a don't care condition. ++ * **Note: There are 8 address bits for the 93C56/66 chips unlike ++ * the 93C46/26/06 chips which have 6 address bits. ++ * ++ * The 93Cx6 has a four wire interface: clock, chip select, data in, and ++ * data out.While the ADM6996 uning three interface: clock, chip select,and data line. ++ * The input and output are the same pin. ADM6996 can only recognize the write cmd. ++ * In order to perform above functions, you need ++ * 1. to enable the chip select . ++ * 2. send one clock of dummy clock ++ * 3. send start bit and opcode ++ * 4. send 8 bits address and 16 bits data ++ * 5. to disable the chip select. ++ * Jason Lee 2003/07/30 ++ */ ++ ++/***************************************/ ++/* define GPIO module base address */ ++/***************************************/ ++#define GPIO_EECS 0x00400000 /* EECS: GPIO[22] */ ++//#define GPIO_MOSI 0x20000000 /* EEDO: GPIO[29] send to 6996*/ ++#define GPIO_MISO 0x40000000 /* EEDI: GPIO[30] receive from 6996*/ ++#define GPIO_EECK 0x80000000 /* EECK: GPIO[31] */ ++ ++#define ADM_EECS 0x01 ++#define ADM_EECK 0x02 ++#define ADM_EDIO 0x04 ++/************************************************************* ++* SPI protocol for ADM6996 control ++**************************************************************/ ++#define SPI_OP_LEN 0x03 // the length of start bit and opcode ++#define SPI_OPWRITE 0X05 // write ++#define SPI_OPREAD 0X06 // read ++#define SPI_OPERASE 0X07 // erase ++#define SPI_OPWTEN 0X04 // write enable ++#define SPI_OPWTDIS 0X04 // write disable ++#define SPI_OPERSALL 0X04 // erase all ++#define SPI_OPWTALL 0X04 // write all ++ ++#define SPI_ADD_LEN 8 // bits of Address ++#define SPI_DAT_LEN 16 // bits of Data ++#define ADM6996_PORT_NO 6 // the port number of ADM6996 ++#define ADM6999_PORT_NO 9 // the port number of ADM6999 ++#ifdef CONFIG_ADM_6996 ++ #define ADM699X_PORT_NO ADM6996_PORT_NO ++#endif ++#ifdef CONFIG_ADM_6999 ++ #define ADM699X_PORT_NO ADM6999_PORT_NO ++#endif ++#define LPC_GPIO_SET 3 ++#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE) ++ ++extern int it8712_exist; ++ ++#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++ ++/****************************************/ ++/* Function Declare */ ++/****************************************/ ++/* ++void SPI_write(unsigned char addr,unsigned int value); ++unsigned int SPI_read(unsigned char table,unsigned char addr); ++void SPI_write_bit(char bit_EEDO); ++unsigned int SPI_read_bit(void); ++void SPI_default(void); ++void SPI_reset(unsigned char rstype,unsigned char port_cnt); ++void SPI_pre_st(void); ++void SPI_CS_enable(unsigned char enable); ++void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask); ++void SPI_Set_tag(unsigned int port,unsigned tag); ++void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask); ++void SPI_mac_lock(unsigned int port, unsigned char lock); ++void SPI_get_port_state(unsigned int port); ++void SPI_port_enable(unsigned int port,unsigned char enable); ++ ++void SPI_get_status(unsigned int port); ++*/ ++ ++struct PORT_CONFIG ++{ ++ unsigned char auto_negotiation; // 0:Disable 1:Enable ++ unsigned char speed; // 0:10M 1:100M ++ unsigned char duplex; // 0:Half 1:Full duplex ++ unsigned char Tag; // 0:Untag 1:Tag ++ unsigned char port_disable; // 0:port enable 1:disable ++ unsigned char pvid; // port VLAN ID 0001 ++ unsigned char mdix; // Crossover judgement. 0:Disable 1:Enable ++ unsigned char mac_lock; // MAC address Lock 0:Disable 1:Enable ++}; ++ ++struct PORT_STATUS ++{ ++ unsigned char link; // 0:not link 1:link established ++ unsigned char speed; // 0:10M 1:100M ++ unsigned char duplex; // 0:Half 1:Full duplex ++ unsigned char flow_ctl; // 0:flow control disable 1:enable ++ unsigned char mac_lock; // MAC address Lock 0:Disable 1:Enable ++ unsigned char port_disable; // 0:port enable 1:disable ++ ++ // Serial Management ++ unsigned long rx_pac_count; //receive packet count ++ unsigned long rx_pac_byte; //receive packet byte count ++ unsigned long tx_pac_count; //transmit packet count ++ unsigned long tx_pac_byte; //transmit packet byte count ++ unsigned long collision_count; //error count ++ unsigned long error_count ; ++ ++ unsigned long rx_pac_count_overflow; //overflow flag ++ unsigned long rx_pac_byte_overflow; ++ unsigned long tx_pac_count_overflow; ++ unsigned long tx_pac_byte_overflow; ++ unsigned long collision_count_overflow; ++ unsigned long error_count_overflow; ++}; ++ ++struct PORT_CONFIG port_config[ADM699X_PORT_NO]; // 0~3:LAN , 4:WAN , 5:MII ++static struct PORT_STATUS port_state[ADM699X_PORT_NO]; ++ ++/****************************************** ++* SPI_write ++* addr -> Write Address ++* value -> value to be write ++***************************************** */ ++void SPI_write(unsigned char addr,unsigned int value) ++{ ++ int i; ++ char bit; ++#ifdef CONFIG_IT8712_GPIO ++ char status; ++#else ++ int ad1; ++#endif ++ ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++ SPI_CS_enable(1); ++ ++ SPI_write_bit(0); //dummy clock ++ ++ //send write command (0x05) ++ for(i=SPI_OP_LEN-1;i>=0;i--) ++ { ++ bit = (SPI_OPWRITE>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ // send 8 bits address (MSB first, LSB last) ++ for(i=SPI_ADD_LEN-1;i>=0;i--) ++ { ++ bit = (addr>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ // send 16 bits data (MSB first, LSB last) ++ for(i=SPI_DAT_LEN-1;i>=0;i--) ++ { ++ bit = (value>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ ++ SPI_CS_enable(0); // CS low ++ ++ for(i=0;i<0xFFF;i++) ; ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++} ++ ++ ++/************************************ ++* SPI_write_bit ++* bit_EEDO -> 1 or 0 to be written ++************************************/ ++void SPI_write_bit(char bit_EEDO) ++{ ++#ifdef CONFIG_IT8712_GPIO ++ unsigned char iomode,status; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ; // Set EECK,EDIO,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ if(bit_EEDO) ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= ADM_EDIO ; //EDIO high ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ else ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ ++ status |= ADM_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(ADM_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++#else ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR); ++ value = readl(addr) |GPIO_EECK |GPIO_MISO ; /* set EECK/MISO Pin to output */ ++ writel(value,addr); ++ if(bit_EEDO) ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MISO,addr); /* set MISO to 1 */ ++ writel(GPIO_EECK,addr); /* set EECK to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); /* set EECK to 0 */ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,addr); /* set MISO to 0 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); /* set EECK to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); /* set EECK to 0 */ ++ } ++ ++ return ; ++#endif ++} ++ ++/********************************************************************** ++* read a bit from ADM6996 register ++***********************************************************************/ ++unsigned int SPI_read_bit(void) // read data from ++{ ++#ifdef CONFIG_IT8712_GPIO ++ unsigned char iomode,status; ++ unsigned int value ; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode &= ~(ADM_EDIO) ; // Set EDIO input ++ iomode |= (ADM_EECS|ADM_EECK) ; // Set EECK,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= ADM_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(ADM_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ value = inb_gpio( LPC_GPIO_SET); ++ ++ value = value>>2 ; ++ value &= 0x01; ++ ++ return value ; ++#else ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR); ++ value = readl(addr) & (~GPIO_MISO); // set EECK to output and MISO to input ++ writel(value,addr); ++ ++ addr =(GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); // set EECK to 1 ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); // set EECK to 0 ++ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_IN); ++ value = readl(addr) ; ++ value = value >> 30; ++ return value ; ++#endif ++} ++ ++/****************************************** ++* SPI_default ++* EEPROM content default value ++*******************************************/ ++void SPI_default(void) ++{ ++ int i; ++#ifdef CONFIG_ADM_6999 ++ SPI_write(0x11,0xFF30); ++ for(i=1;i<8;i++) ++ SPI_write(i,0x840F); ++ ++ SPI_write(0x08,0x880F); //port 8 Untag, PVID=2 ++ SPI_write(0x09,0x881D); //port 9 Tag, PVID=2 ,10M ++ SPI_write(0x14,0x017F); //Group 0~6,8 as VLAN 1 ++ SPI_write(0x15,0x0180); //Group 7,8 as VLAN 2 ++#endif ++ ++#ifdef CONFIG_ADM_6996 ++ SPI_write(0x11,0xFF30); ++ SPI_write(0x01,0x840F); //port 0~3 Untag ,PVID=1 ,100M ,duplex ++ SPI_write(0x03,0x840F); ++ SPI_write(0x05,0x840F); ++ SPI_write(0x07,0x840F); ++ SPI_write(0x08,0x880F); //port 4 Untag, PVID=2 ++ SPI_write(0x09,0x881D); //port 5 Tag, PVID=2 ,10M ++ SPI_write(0x14,0x0155); //Group 0~3,5 as VLAN 1 ++ SPI_write(0x15,0x0180); //Group 4,5 as VLAN 2 ++ ++#endif ++ ++ for(i=0x16;i<=0x22;i++) ++ SPI_write((unsigned char)i,0x0000); // clean VLAN¡@map 3~15 ++ ++ for (i=0;i<NUM_VLAN_IF;i++) // Set VLAN ID map 1,2 ++ SPI_Set_PVID( VLAN_conf[i].vid, VLAN_conf[i].portmap); ++ ++ for(i=0;i<ADM699X_PORT_NO;i++) // reset count ++ SPI_reset(0,i); ++} ++ ++/************************************************* ++* SPI_reset ++* rstype -> reset type ++* 0:reset all count for 'port_cnt' port ++* 1:reset specified count 'port_cnt' ++* port_cnt -> port number or counter index ++***************************************************/ ++void SPI_reset(unsigned char rstype,unsigned char port_cnt) ++{ ++ ++ int i; ++#ifdef CONFIG_IT8712_GPIO ++ char status; ++#else ++ int ad1; ++#endif ++ char bit; ++ ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++ ++ SPI_CS_enable(0); // CS low ++ ++ SPI_pre_st(); // PRE+ST ++ SPI_write_bit(0); // OP ++ SPI_write_bit(1); ++ ++ SPI_write_bit(1); // Table select, must be 1 -> reset Counter ++ ++ SPI_write_bit(0); // Device Address ++ SPI_write_bit(0); ++ ++ rstype &= 0x01; ++ SPI_write_bit(rstype); // Reset type 0:clear dedicate port's all counters 1:clear dedicate counter ++ ++ for (i=5;i>=0;i--) // port or cnt index ++ { ++ bit = port_cnt >> i ; ++ bit &= 0x01 ; ++ SPI_write_bit(bit); ++ } ++ ++ SPI_write_bit(0); // dumy clock ++ SPI_write_bit(0); // dumy clock ++ ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++} ++ ++/***************************************************** ++* SPI_pre_st ++* preambler: 32 bits '1' start bit: '01' ++*****************************************************/ ++void SPI_pre_st(void) ++{ ++ int i; ++ ++ for(i=0;i<32;i++) // PREAMBLE ++ SPI_write_bit(1); ++ SPI_write_bit(0); // ST ++ SPI_write_bit(1); ++} ++ ++ ++/*********************************************************** ++* SPI_CS_enable ++* before access ,you have to enable Chip Select. (pull high) ++* When fisish, you should pull low !! ++*************************************************************/ ++void SPI_CS_enable(unsigned char enable) ++{ ++#ifdef CONFIG_IT8712_GPIO ++ ++ unsigned char iomode,status; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ; // Set EECK,EDIO,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ ++ status = inb_gpio( LPC_GPIO_SET); ++ if(enable) ++ status |= ADM_EECS ; //EECS high ++ else ++ status &= ~(ADM_EECS) ; //EECS low ++ ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ ++ status |= ADM_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(ADM_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++#else ++ unsigned int addr,value; ++ ++ addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR); ++ value = readl(addr) |GPIO_EECS |GPIO_EECK; /* set EECS/EECK Pin to output */ ++ writel(value,addr); ++ ++ if(enable) ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_EECS,addr); /* set EECS to 1 */ ++ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_EECS,addr); /* set EECS to 0 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); /* set EECK to 1 */ // at least one clock after CS low ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); /* set EECK to 0 */ ++ } ++#endif ++} ++ ++/********************************************************* ++* SPI_Set_VLAN: group ports as VLAN ++* LAN -> VLAN number : 0~16 ++* port_mask -> ports which would group as LAN ++* ex. 0x03 = 0000 0011 ++* port 0 and port 1 ++*********************************************************/ ++void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask) ++{ ++ unsigned int i,value=0; ++ unsigned reg_add = 0x13 + LAN ; ++ ++ for(i=0;i<ADM6996_PORT_NO;i++) ++ { if(port_mask&0x01) ++ { ++ switch(i) ++ { ++ case 0: value|=0x0001; break; //port0:bit[0] ++ case 1: value|=0x0004; break; //port1:bit[2] ++ case 2: value|=0x0010; break; //port2:bit[4] ++ case 3: value|=0x0040; break; //port3:bit[6] ++ case 4: value|=0x0080; break; //port4:bit[7] ++ case 5: value|=0x0100; break; //port5:bit[8] ++ } ++ } ++ port_mask >>= 1; ++ } ++ ++ SPI_write(reg_add,value); ++} ++ ++ ++/******************************************* ++* SPI_Set_tag ++* port -> port number to set tag or untag ++* tag -> 0/set untag, 1/set tag ++* In general, tag is for MII port. LAN and ++* WAN port is configed as untag!! ++********************************************/ ++void SPI_Set_tag(unsigned int port,unsigned tag) ++{ ++ unsigned int regadd,value; ++ ++ // mapping port's register !! (0,1,2,3,4,5) ==> (1,3,5,7,8,9) ++ if(port<=3) ++ regadd=2*port+1; ++ else if(port==4) regadd = 8 ; ++ else regadd = 9 ; ++ ++ ++ value = SPI_read(0,regadd); //read original setting ++ ++ if(tag) ++ value |= 0x0010 ; // set tag ++ else ++ value &= 0xFFEF ; // set untag ++ ++ SPI_write(regadd,value); // write back!! ++} ++ ++/************************************************ ++* SPI_Set_PVID ++* PVID -> PVID number : ++* port_mask -> ports which would group as LAN ++* ex. 0x0F = 0000 1111 ==> port 0~3 ++************************************************/ ++void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask) ++{ ++ unsigned int i,value=0; ++ ++ PVID &= 0x000F ; ++ ++ for(i=0;i<ADM699X_PORT_NO;i++) ++ { if(port_mask&0x01) ++ { ++#ifdef CONFIG_ADM_6996 ++ switch(i) ++ { ++ case 0: ++ value = SPI_read(0,0x01); // read original value ++ value &= 0xC3FF ; //set PVIC column as 0 first ++ value |= PVID << 10 ; //Set PVID column as PVID ++ SPI_write(0x01,value); //write back ++ break; ++ case 1: ++ value = SPI_read(0,0x03); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write(0x03,value); ++ break; ++ case 2: ++ value = SPI_read(0,0x05); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write(0x05,value); ++ break; ++ case 3: ++ value = SPI_read(0,0x07); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write(0x07,value); ++ break; ++ case 4: ++ value = SPI_read(0,0x08); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write(0x08,value); ++ break; ++ case 5: ++ value = SPI_read(0,0x09); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write(0x09,value); ++ break; ++ } ++#endif ++#ifdef CONFIG_ADM_6999 ++ value = SPI_read(0,(unsigned char)i+1); ++ value &= 0xC3FF ; ++ value |= PVID << 10 ; ++ SPI_write((unsigned char)i+1,value); ++#endif ++ } ++ port_mask >>= 1; ++ } ++} ++ ++ ++/************************************************ ++* SPI_get_PVID ++* port -> which ports to VID ++************************************************/ ++unsigned int SPI_Get_PVID(unsigned int port) ++{ ++ unsigned int value=0; ++ ++ if (port>=ADM6996_PORT_NO) ++ return 0; ++ ++ switch(port) ++ { ++ case 0: ++ value = SPI_read(0,0x01); // read original value ++ value &= 0x3C00 ; // get VID ++ value = value >> 10 ; // Shift ++ break; ++ case 1: ++ value = SPI_read(0,0x03); ++ value &= 0x3C00 ; ++ value = value >> 10 ; ++ break; ++ case 2: ++ value = SPI_read(0,0x05); ++ value &= 0x3C00 ; ++ value = value >> 10 ; ++ break; ++ case 3: ++ value = SPI_read(0,0x07); ++ value &= 0x3C00 ; ++ value = value >> 10 ; ++ break; ++ case 4: ++ value = SPI_read(0,0x08); ++ value &= 0x3C00 ; ++ value = value >> 10 ; ++ break; ++ case 5: ++ value = SPI_read(0,0x09); ++ value &= 0x3C00 ; ++ value = value >> 10 ; ++ break; ++ } ++ return value ; ++} ++ ++ ++/********************************************** ++* SPI_mac_clone ++* port -> the port which will lock or unlock ++* lock -> 0/the port will be unlock ++* 1/the port will be locked ++**********************************************/ ++void SPI_mac_lock(unsigned int port, unsigned char lock) ++{ ++ unsigned int i,value=0; ++ ++ value = SPI_read(0,0x12); // read original ++ ++ for(i=0;i<ADM6996_PORT_NO;i++) ++ { if(lock) // lock port ++ { ++ switch(port) ++ { ++ case 0: value|=0x0001; break; //port0:bit[0] ++ case 1: value|=0x0004; break; //port1:bit[2] ++ case 2: value|=0x0010; break; //port2:bit[4] ++ case 3: value|=0x0040; break; //port3:bit[6] ++ case 4: value|=0x0080; break; //port4:bit[7] ++ case 5: value|=0x0100; break; //port5:bit[8] ++ } ++ } ++ else ++ { ++ switch(i) // unlock port ++ { ++ case 0: value&=0xFFFE; break; ++ case 1: value&=0xFFFB; break; ++ case 2: value&=0xFFEF; break; ++ case 3: value&=0xFFBF; break; ++ case 4: value&=0xFF7F; break; ++ case 5: value&=0xFEFF; break; ++ } ++ } ++ } ++ ++ SPI_write(0x12,value); ++} ++ ++ ++/*************************************************** ++* SPI_learn_pause ++* pause = 01-80-c2-00-00-01 ++* DA=distination address ++* forward -> 0: if DA == pause then drop and stop mac learning ++* 1: if DA == pause ,then forward it ++***************************************************/ ++void SPI_pause_cmd_forward(unsigned char forward) ++{ ++ unsigned int value=0; ++ ++ value = SPI_read(0,0x2C); // read original setting ++ if(forward) ++ value |= 0x2000; // set bit[13] '1' ++ else ++ value &= 0xDFFF; // set bit[13] '0' ++ ++ SPI_write(0x2C,value); ++ ++} ++ ++ ++/************************************************ ++* SPI_read ++* table -> which table to be read: 1/count 0/EEPROM ++* addr -> Address to be read ++* return : Value of the register ++*************************************************/ ++unsigned int SPI_read(unsigned char table,unsigned char addr) ++{ ++ int i ; ++ unsigned int value=0; ++ unsigned int bit; ++#ifdef CONFIG_IT8712_GPIO ++ unsigned char status; ++#else ++ unsigned int ad1; ++#endif ++ ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++ ++ SPI_CS_enable(0); ++ ++ SPI_pre_st(); // PRE+ST ++ SPI_write_bit(1); // OPCODE '10' for read ++ SPI_write_bit(0); ++ ++ (table==1) ? SPI_write_bit(1) : SPI_write_bit(0) ; // table select ++ ++ SPI_write_bit(0); // Device Address ++ SPI_write_bit(0); ++ ++ ++ // send 7 bits address to be read ++ for (i=6;i>=0;i--) { ++ bit= ((addr>>i) & 0x01) ? 1 :0 ; ++ SPI_write_bit(bit); ++ } ++ ++ ++ // turn around ++ SPI_read_bit(); // TA_Z ++ ++ value=0; ++ for (i=31;i>=0;i--) { // READ DATA ++ bit=SPI_read_bit(); ++ value |= bit << i ; ++ } ++ ++ SPI_read_bit(); // dumy clock ++ SPI_read_bit(); // dumy clock ++ ++ if(!table) // EEPROM, only fetch 16 bits data ++ { ++ if(addr&0x01) // odd number content (register,register-1) ++ value >>= 16 ; // so we remove the rear 16bits ++ else // even number content (register+1,register), ++ value &= 0x0000FFFF ; // so we keep the rear 16 bits ++ } ++ ++ ++ SPI_CS_enable(0); ++ ++#ifdef CONFIG_IT8712_GPIO ++ status = inb_gpio(LPC_GPIO_SET); ++ status &= ~(ADM_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++#else ++ ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MISO,ad1); /* set MISO to 0 */ ++#endif ++ ++ return(value); ++ ++} ++ ++ ++ ++/************************************************** ++* SPI_port_en ++* port -> Number of port to config ++* enable -> 1/ enable this port ++* 0/ disable this port ++**************************************************/ ++void SPI_port_enable(unsigned int port,unsigned char enable) ++{ ++ unsigned int reg_val ; ++ unsigned char reg_add ; ++ ++ if(port<=3) ++ reg_add=2*port+1; ++ else if(port==4) reg_add = 8 ; ++ else reg_add = 9 ; ++ ++ reg_val = SPI_read(0,reg_add); ++ if(enable) ++ { ++ reg_val &= 0xFFDF ; ++ SPI_write(reg_add,reg_val); ++ } ++ else ++ { ++ reg_val |= 0x0020 ; ++ SPI_write(reg_add,reg_val); ++ } ++} ++ ++/******************************************************** ++* get port status ++* port -> specify the port number to get configuration ++*********************************************************/ ++void SPI_get_status(unsigned int port) ++{ ++/* unsigned int reg_val,add_offset[6]; ++ struct PORT_STATUS *status; ++ status = &port_state[port]; ++ ++ if(port>(ADM6996_PORT_NO-1)) ++ return ; ++ ++ // Link estabilish , speed, deplex, flow control ? ++ if(port < 5 ) ++ { ++ reg_val = SPI_read(1, 1) ; ++ if(port < 4) ++ reg_val >>= port*8 ; ++ else ++ reg_val >>=28 ; ++ status->link = reg_val & 0x00000001 ; ++ status->speed = reg_val & 0x00000002 ; ++ status->duplex = reg_val & 0x00000004 ; ++ status->flow_ctl = reg_val & 0x00000008 ; ++ } ++ else if(port ==5 ) ++ { ++ reg_val = SPI_read(1, 2) ; ++ status->link = reg_val & 0x00000001 ; ++ status->speed = reg_val & 0x00000002 ; ++ status->duplex = reg_val & 0x00000008 ; ++ status->flow_ctl = reg_val & 0x00000010 ; ++ } ++ ++ // Mac Lock ? ++ reg_val = SPI_read(0,0x12); ++ switch(port) ++ { ++ case 0: status->mac_lock = reg_val & 0x00000001; ++ case 1: status->mac_lock = reg_val & 0x00000004; ++ case 2: status->mac_lock = reg_val & 0x00000010; ++ case 3: status->mac_lock = reg_val & 0x00000040; ++ case 4: status->mac_lock = reg_val & 0x00000080; ++ case 5: status->mac_lock = reg_val & 0x00000100; ++ } ++ ++ // port enable ? ++ add_offset[0] = 0x01 ; add_offset[1] = 0x03 ; ++ add_offset[2] = 0x05 ; add_offset[3] = 0x07 ; ++ add_offset[4] = 0x08 ; add_offset[5] = 0x09 ; ++ reg_val = SPI_read(0,add_offset[port]); ++ status->port_disable = reg_val & 0x0020; ++ ++ ++ // Packet Count ... ++ add_offset[0] = 0x04 ; add_offset[1] = 0x06 ; ++ add_offset[2] = 0x08 ; add_offset[3] = 0x0a ; ++ add_offset[4] = 0x0b ; add_offset[5] = 0x0c ; ++ ++ reg_val = SPI_read(1,add_offset[port]); ++ status->rx_pac_count = reg_val ; ++ reg_val = SPI_read(1,add_offset[port]+9); ++ status->rx_pac_byte = reg_val ; ++ reg_val = SPI_read(1,add_offset[port]+18); ++ status->tx_pac_count = reg_val ; ++ reg_val = SPI_read(1,add_offset[port]+27); ++ status->tx_pac_byte = reg_val ; ++ reg_val = SPI_read(1,add_offset[port]+36); ++ status->collision_count = reg_val ; ++ reg_val = SPI_read(1,add_offset[port]+45); ++ status->error_count = reg_val ; ++ reg_val = SPI_read(1, 0x3A); ++ switch(port) ++ { ++ case 0: status->rx_pac_count_overflow = reg_val & 0x00000001; ++ status->rx_pac_byte_overflow = reg_val & 0x00000200 ; ++ case 1: status->rx_pac_count_overflow = reg_val & 0x00000004; ++ status->rx_pac_byte_overflow = reg_val & 0x00000800 ; ++ case 2: status->rx_pac_count_overflow = reg_val & 0x00000010; ++ status->rx_pac_byte_overflow = reg_val & 0x00002000 ; ++ case 3: status->rx_pac_count_overflow = reg_val & 0x00000040;; ++ status->rx_pac_byte_overflow = reg_val & 0x00008000 ; ++ case 4: status->rx_pac_count_overflow = reg_val & 0x00000080; ++ status->rx_pac_byte_overflow = reg_val & 0x00010000 ; ++ case 5: status->rx_pac_count_overflow = reg_val & 0x00000100; ++ status->rx_pac_byte_overflow = reg_val & 0x00020000 ; ++ } ++ ++ reg_val = SPI_read(1, 0x3B); ++ switch(port) ++ { ++ case 0: status->tx_pac_count_overflow = reg_val & 0x00000001; ++ status->tx_pac_byte_overflow = reg_val & 0x00000200 ; ++ case 1: status->tx_pac_count_overflow = reg_val & 0x00000004; ++ status->tx_pac_byte_overflow = reg_val & 0x00000800 ; ++ case 2: status->tx_pac_count_overflow = reg_val & 0x00000010; ++ status->tx_pac_byte_overflow = reg_val & 0x00002000 ; ++ case 3: status->tx_pac_count_overflow = reg_val & 0x00000040;; ++ status->tx_pac_byte_overflow = reg_val & 0x00008000 ; ++ case 4: status->tx_pac_count_overflow = reg_val & 0x00000080; ++ status->tx_pac_byte_overflow = reg_val & 0x00010000 ; ++ case 5: status->tx_pac_count_overflow = reg_val & 0x00000100; ++ status->tx_pac_byte_overflow = reg_val & 0x00020000 ; ++ } ++*/ ++ ++ unsigned int reg_val; ++ struct PORT_STATUS *status; ++ status = &port_state[port]; ++ ++ if(port>=ADM6999_PORT_NO) ++ return ; ++ ++ // Link estabilish , speed, deplex, flow control ? ++ if(port < ADM6999_PORT_NO-1 ) ++ { ++ reg_val = SPI_read(1, 0x01) ; ++ reg_val = reg_val >> port*4 ; ++ status->link = reg_val & 0x00000001 ; ++ status->speed = reg_val & 0x00000002 ; ++ status->duplex = reg_val & 0x00000004 ; ++ status->flow_ctl = reg_val & 0x00000008 ; ++ } ++ else if(port == (ADM6999_PORT_NO-1) ) ++ { ++ reg_val = SPI_read(1, 0x02) ; ++ status->link = reg_val & 0x00000001 ; ++ status->speed = reg_val & 0x00000002 ; ++ status->duplex = reg_val & 0x00000008 ; ++ status->flow_ctl = reg_val & 0x00000010 ; ++ } ++ ++ // Mac Lock ? ++ reg_val = SPI_read(0,0x12); ++ reg_val = reg_val >> port ; ++ reg_val = reg_val & 0x01 ; ++ status->mac_lock = reg_val ? 0x01:0x00 ; ++ ++ // port enable ? ++ reg_val = SPI_read(0,(unsigned char)port+1); ++ status->port_disable = reg_val & 0x0020; ++ ++ // Packet Count ... ++ reg_val = SPI_read(1,(unsigned char)port+0x04); ++ status->rx_pac_count = reg_val ; ++ reg_val = SPI_read(1,(unsigned char)port+0x0D); ++ status->rx_pac_byte = reg_val ; ++ reg_val = SPI_read(1,(unsigned char)port+0x16); ++ status->tx_pac_count = reg_val ; ++ reg_val = SPI_read(1,(unsigned char)port+0x1F); ++ status->tx_pac_byte = reg_val ; ++ reg_val = SPI_read(1,(unsigned char)port+0x28); ++ status->collision_count = reg_val ; ++ reg_val = SPI_read(1,(unsigned char)port+0x31); ++ status->error_count = reg_val ; ++ reg_val = SPI_read(1, 0x3A); ++ reg_val = reg_val >> port ; ++ status->rx_pac_count_overflow = reg_val & 0x00000001; ++ reg_val = reg_val >> 0x09 ; ++ status->rx_pac_byte_overflow = reg_val & 0x00000001 ; ++ ++ reg_val = SPI_read(1, 0x3B); ++ reg_val = reg_val >> port ; ++ status->tx_pac_count_overflow = reg_val & 0x00000001; ++ reg_val = reg_val >> 0x09 ; ++ status->tx_pac_byte_overflow = reg_val & 0x00000001 ; ++ ++ reg_val = SPI_read(1, 0x3C); ++ reg_val = reg_val >> port ; ++ status->collision_count_overflow = reg_val & 0x00000001; ++ reg_val = reg_val >> 0x09 ; ++ status->error_count_overflow = reg_val & 0x00000001 ; ++ ++} ++ ++unsigned int SPI_get_identifier(void) ++{ ++ unsigned int flag=0; ++ ++#ifdef CONFIG_IT8712_GPIO ++ ++ if (!it8712_exist) { ++ return -ENODEV; ++ } ++ printk("it8712_gpio init\n"); ++ ++ /* initialize registers */ ++ // switch all multi-function pins to GPIO ++ LPCSetConfig(LDN_GPIO, 0x28, 0xff); ++ ++ // set simple I/O base address ++ LPCSetConfig(LDN_GPIO, 0x62, IT8712_GPIO_BASE >> 8); ++ LPCSetConfig(LDN_GPIO, 0x63, (unsigned char) IT8712_GPIO_BASE >> 8); ++ ++ // select GPIO to simple I/O ++ LPCSetConfig(LDN_GPIO, 0xc3, 0xff); ++ ++ // enable internal pull-up ++ LPCSetConfig(LDN_GPIO, 0xbb, 0xff); ++ ++#endif ++ ++ flag = SPI_read(1,0x00); ++ printk("Get ADM identifier %6x\n",flag); ++ if ((flag & 0xFFFF0) == 0x21120) { ++ printk("ADM699X Found\n"); ++ return 1; ++ } ++ else { ++ printk("ADM699X not Found\n"); ++ return 0; ++ } ++} ++ +--- /dev/null ++++ b/drivers/net/sl351x_crc16.c +@@ -0,0 +1,93 @@ ++/**************************************************************************** ++* Name : sl351x_crc16.c ++* Description : ++* Implement CRC16 ++* refer to RFC1662 ++* History ++* ++* Date Writer Description ++* ----------- ----------- ------------------------------------------------- ++* 09/14/2005 Gary Chen Create ++* ++****************************************************************************/ ++ ++#define INITFCS16 0xffff /* Initial FCS value */ ++#define GOODFCS16 0xf0b8 /* Good final FCS value */ ++#define SWAP_WORD(x) (unsigned short)((((unsigned short)x & 0x00FF) << 8) | \ ++ (((unsigned short)x & 0xFF00) >> 8)) ++ ++/*---------------------------------------------------------------------- ++* x**0 + x**5 + x**12 + x**16 ++*----------------------------------------------------------------------*/ ++static const unsigned short crc16_tbl[256] = { ++ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, ++ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, ++ 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, ++ 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, ++ 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, ++ 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5, ++ 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, ++ 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974, ++ 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, ++ 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, ++ 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, ++ 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, ++ 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, ++ 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1, ++ 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, ++ 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70, ++ 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, ++ 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff, ++ 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, ++ 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, ++ 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, ++ 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, ++ 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, ++ 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c, ++ 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, ++ 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb, ++ 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, ++ 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, ++ 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, ++ 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, ++ 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, ++ 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 ++}; ++ ++/*---------------------------------------------------------------------- ++* hash_crc16 ++*----------------------------------------------------------------------*/ ++unsigned short hash_crc16(unsigned short crc, unsigned char *datap, unsigned long len) ++{ ++ while (len--) ++ { ++ crc = (crc >> 8) ^ crc16_tbl[(crc ^ (*datap++)) & 0xff]; ++ } ++ ++ return (crc); ++ ++} ++ ++/*---------------------------------------------------------------------- ++* hash_check_crc16 ++*----------------------------------------------------------------------*/ ++unsigned long hash_check_crc16(unsigned char *datap, unsigned long len) ++{ ++ unsigned short crc; ++ ++ crc = hash_crc16(INITFCS16, datap, len ); ++ return (crc == GOODFCS16) ? 0 : 1; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_gen_crc16 ++*----------------------------------------------------------------------*/ ++unsigned short hash_gen_crc16(unsigned char *datap, unsigned long len) ++{ ++ unsigned short crc; ++ ++ crc = hash_crc16(INITFCS16, datap, len); ++ crc ^= 0xffff; ++ ++ return(SWAP_WORD(crc)); ++} +--- /dev/null ++++ b/drivers/net/sl351x_gmac.c +@@ -0,0 +1,5622 @@ ++/************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl351x_gmac.c ++* Description : ++* Ethernet device driver for Storlink SL351x FPGA ++* ++* History ++* ++* Date Writer Description ++* ----------- ----------- ------------------------------------------------- ++* 08/22/2005 Gary Chen Create and implement ++* 27/10/2005 CH Hsu Porting to Linux ++* ++****************************************************************************/ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/slab.h> ++#include <linux/mm.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch/irqs.h> ++#include <asm/arch/it8712.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/skbuff.h> ++#include <linux/in.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/udp.h> ++ ++#include <linux/mtd/kvctl.h> ++ ++#define MIDWAY ++#define SL_LEPUS ++#define VITESSE_G5SWITCH 1 ++ ++#ifndef CONFIG_SL351x_RXTOE ++//#define CONFIG_SL351x_RXTOE 1 ++#endif ++#undef CONFIG_SL351x_RXTOE ++ ++#include <asm/arch/sl2312.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <asm/arch/sl351x_hash_cfg.h> ++#include <asm/arch/sl351x_nat_cfg.h> ++ ++#ifdef CONFIG_SL351x_SYSCTL ++#include <linux/sysctl_storlink.h> ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++#include <asm/arch/sl351x_toe.h> ++#include <net/tcp.h> ++#include <linux/tcp.h> ++#include <linux/ip.h> ++#endif ++ ++// #define SL351x_TEST_WORKAROUND ++#ifdef CONFIG_SL351x_NAT ++#define CONFIG_SL_NAPI 1 ++#endif ++#define GMAX_TX_INTR_DISABLED 1 ++#define DO_HW_CHKSUM 1 ++#define ENABLE_TSO 1 ++#define GMAC_USE_TXQ0 1 ++// #define NAT_WORKAROUND_BY_RESET_GMAC 1 ++// #define HW_RXBUF_BY_KMALLOC 1 ++//#define _DUMP_TX_TCP_CONTENT 1 ++#define br_if_ioctl 1 ++#define GMAC_LEN_1_2_ISSUE 1 ++ ++#define GMAC_EXISTED_FLAG 0x5566abcd ++#define CONFIG_MAC_NUM GMAC_NUM ++#define GMAC0_BASE TOE_GMAC0_BASE ++#define GMAC1_BASE TOE_GMAC1_BASE ++#define PAUSE_SET_HW_FREEQ (TOE_HW_FREEQ_DESC_NUM / 2) ++#define PAUSE_REL_HW_FREEQ ((TOE_HW_FREEQ_DESC_NUM / 2) + 10) ++#define DEFAULT_RXQ_MAX_CNT 256 ++#ifdef L2_jumbo_frame ++#define TCPHDRLEN(tcp_hdr) ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F) ++#endif ++ ++/* define chip information */ ++#define DRV_NAME "SL351x" ++#define DRV_VERSION "0.1.4" ++#define SL351x_DRIVER_NAME DRV_NAME " Giga Ethernet driver " DRV_VERSION ++ ++#define toe_gmac_enable_interrupt(irq) enable_irq(irq) ++#define toe_gmac_disable_interrupt(irq) disable_irq(irq) ++ ++#ifdef SL351x_GMAC_WORKAROUND ++#define GMAC_SHORT_FRAME_THRESHOLD 10 ++static struct timer_list gmac_workround_timer_obj; ++void sl351x_poll_gmac_hanged_status(u32 data); ++#ifdef CONFIG_SL351x_NAT ++//#define IxscriptMate_1518 1 ++ void sl351x_nat_workaround_init(void); ++ #ifndef NAT_WORKAROUND_BY_RESET_GMAC ++ static void sl351x_nat_workaround_handler(void); ++ #endif ++#endif ++#endif ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ #define _DEBUG_PREFETCH_NUM 256 ++static int _debug_prefetch_cnt; ++static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4))); ++#endif ++/************************************************************* ++ * Global Variable ++ *************************************************************/ ++static int gmac_initialized = 0; ++TOE_INFO_T toe_private_data; ++//static int do_again = 0; ++spinlock_t gmac_fq_lock; ++unsigned int FLAG_SWITCH; ++ ++static unsigned int next_tick = 3 * HZ; ++static unsigned char eth_mac[CONFIG_MAC_NUM][6]= {{0x00,0x11,0x11,0x87,0x87,0x87}, {0x00,0x22,0x22,0xab,0xab,0xab}}; ++ ++#undef CONFIG_SL351x_RXTOE ++extern NAT_CFG_T nat_cfg; ++ ++/************************************************/ ++/* function declare */ ++/************************************************/ ++static int gmac_set_mac_address(struct net_device *dev, void *addr); ++static unsigned int gmac_get_phy_vendor(int phy_addr); ++static void gmac_set_phy_status(struct net_device *dev); ++void gmac_get_phy_status(struct net_device *dev); ++static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); ++static void gmac_tx_timeout(struct net_device *dev); ++static int gmac_phy_thread (void *data); ++struct net_device_stats * gmac_get_stats(struct net_device *dev); ++static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev); ++static void gmac_set_rx_mode(struct net_device *dev); ++static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance); ++static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp); ++unsigned int mii_read(unsigned char phyad,unsigned char regad); ++void mii_write(unsigned char phyad,unsigned char regad,unsigned int value); ++void mac_init_drv(void); ++ ++static void toe_init_free_queue(void); ++static void toe_init_swtx_queue(void); ++static void toe_init_default_queue(void); ++#ifdef CONFIG_SL351x_RXTOE ++static void toe_init_interrupt_queue(void); ++#endif ++static void toe_init_interrupt_config(void); ++static void toe_gmac_sw_reset(void); ++static int toe_gmac_init_chip(struct net_device *dev); ++static void toe_gmac_enable_tx_rx(struct net_device* dev); ++static void toe_gmac_disable_tx_rx(struct net_device *dev); ++static void toe_gmac_hw_start(struct net_device *dev); ++static void toe_gmac_hw_stop(struct net_device *dev); ++static int toe_gmac_clear_counter(struct net_device *dev); ++static void toe_init_gmac(struct net_device *dev); ++static void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid, struct net_device *dev, int interrupt); ++#ifdef CONFIG_SL_NAPI ++static int gmac_rx_poll(struct net_device *dev, int *budget); ++// static void toe_gmac_disable_rx(struct net_device *dev); ++// static void toe_gmac_enable_rx(struct net_device *dev); ++#endif ++ ++u32 mac_read_dma_reg(int mac, unsigned int offset); ++void mac_write_dma_reg(int mac, unsigned int offset, u32 data); ++void mac_stop_txdma(struct net_device *dev); ++void mac_get_sw_tx_weight(struct net_device *dev, char *weight); ++void mac_set_sw_tx_weight(struct net_device *dev, char *weight); ++void mac_get_hw_tx_weight(struct net_device *dev, char *weight); ++void mac_set_hw_tx_weight(struct net_device *dev, char *weight); ++static inline void toe_gmac_fill_free_q(void); ++ ++#ifdef VITESSE_G5SWITCH ++extern int Get_Set_port_status(void); ++extern int SPI_default(void); ++extern unsigned int SPI_get_identifier(void); ++void gmac_get_switch_status(struct net_device *dev); ++unsigned int Giga_switch=0; ++unsigned int switch_port_no=0; ++unsigned int ever_dwon=0; ++#endif ++ ++/************************************************/ ++/* GMAC function declare */ ++/************************************************/ ++static int gmac_open (struct net_device *dev); ++static int gmac_close (struct net_device *dev); ++static void gmac_cleanup_module(void); ++static void gmac_get_mac_address(void); ++ ++#ifdef CONFIG_SL351x_NAT ++static void toe_init_hwtx_queue(void); ++extern void sl351x_nat_init(void); ++extern void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off); ++extern int sl351x_nat_output(struct sk_buff *skb, int port); ++extern int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++extern void set_toeq_hdr(struct toe_conn* connection, TOE_INFO_T* toe, struct net_device *dev); ++extern void sl351x_toe_init(void); ++extern void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status); ++extern struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr, TOE_INFO_T* toe, unsigned char* l2hdr); ++#endif ++ ++int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2); ++void mac_set_rule_enable_bit(int mac, int rule, int data); ++int mac_set_rule_action(int mac, int rule, int data); ++int mac_get_MRxCRx(int mac, int rule, int ctrlreg); ++void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data); ++ ++/*---------------------------------------------------------------------- ++* Ethernet Driver init ++*----------------------------------------------------------------------*/ ++ ++static int __init gmac_init_module(void) ++{ ++ GMAC_INFO_T *tp; ++ struct net_device *dev; ++ int i,j; ++ unsigned int chip_id; ++// unsigned int chip_version; ++ ++#ifdef CONFIG_SL3516_ASIC ++{ ++ unsigned int val; ++ /* set GMAC global register */ ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x10); ++ val = val | 0x005f0000; ++ writel(val,GMAC_GLOBAL_BASE_ADDR+0x10); ++// writel(0xb737b737,GMAC_GLOBAL_BASE_ADDR+0x1c); //For Socket Board ++ writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x20); ++// writel(0xa737b747,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board ++ ++ //debug_Aaron ++ //writel(0xa7f0a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board ++ writel(0xa7f0b7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board ++ ++ writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x24); ++ writel(0x09200030,GMAC_GLOBAL_BASE_ADDR+0x2C); ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x04); ++ if((val&(1<<20))==0){ // GMAC1 enable ++ val = readl(GMAC_GLOBAL_BASE_ADDR+0x30); ++ val = (val & 0xe7ffffff) | 0x08000000; ++ writel(val,GMAC_GLOBAL_BASE_ADDR+0x30); ++ } ++} ++#endif ++ ++#ifdef VITESSE_G5SWITCH ++ Giga_switch = SPI_get_identifier(); ++ if(Giga_switch) ++ switch_port_no = SPI_default(); ++#endif ++ ++ chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0); ++ if (chip_id == 0x3512C1) ++ { ++ writel(0x5787a5f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For 3512 Switch Board ++ writel(0x55557777,GMAC_GLOBAL_BASE_ADDR+0x20);//For 3512 Switch Board ++ } ++//#endif ++ ++ mac_init_drv(); ++ ++ printk (KERN_INFO SL351x_DRIVER_NAME " built at %s %s\n", __DATE__, __TIME__); ++ ++// init_waitqueue_entry(&wait, current); ++ ++ // printk("GMAC Init......\n"); ++ ++ i = 0; ++ for(j = 0; i<CONFIG_MAC_NUM; j++) ++ { ++ i=j; ++ if(Giga_switch){ // if gswitch present, swap eth0/1 ++ if(j==0) ++ i=1; ++ else if(j==1) ++ i=0; ++ } ++ ++ tp = (GMAC_INFO_T *)&toe_private_data.gmac[i]; ++ tp->dev = NULL; ++ if (tp->existed != GMAC_EXISTED_FLAG) continue; ++ ++ dev = alloc_etherdev(0); ++ if (dev == NULL) ++ { ++ printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i); ++ return -ENOMEM; ++ } ++ ++ dev->priv=tp; ++ tp->dev = dev; ++ ++ SET_MODULE_OWNER(dev); ++ ++ // spin_lock_init(&tp->lock); ++ spin_lock_init(&gmac_fq_lock); ++ dev->base_addr = tp->base_addr; ++ dev->irq = tp->irq; ++ dev->open = gmac_open; ++ dev->stop = gmac_close; ++ dev->hard_start_xmit = gmac_start_xmit; ++ dev->get_stats = gmac_get_stats; ++ dev->set_multicast_list = gmac_set_rx_mode; ++ dev->set_mac_address = gmac_set_mac_address; ++ dev->do_ioctl = gmac_netdev_ioctl; ++ dev->tx_timeout = gmac_tx_timeout; ++ dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT; ++#ifdef L2_jumbo_frame ++ dev->mtu = 2018; //2002 ,2018 ++#endif ++ if (tp->port_id == 0) ++ dev->tx_queue_len = TOE_GMAC0_SWTXQ_DESC_NUM; ++ else ++ dev->tx_queue_len = TOE_GMAC1_SWTXQ_DESC_NUM; ++ ++#ifdef DO_HW_CHKSUM ++ dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM; ++#ifdef ENABLE_TSO ++ dev->features |= NETIF_F_TSO; ++#endif ++#endif ++#ifdef CONFIG_SL_NAPI ++ dev->poll = gmac_rx_poll; ++ dev->weight = 64; ++#endif ++ ++ if (register_netdev(dev)) ++ { ++ gmac_cleanup_module(); ++ return(-1); ++ } ++ } ++ ++ ++// FLAG_SWITCH = 0 ; ++// FLAG_SWITCH = SPI_get_identifier(); ++// if(FLAG_SWITCH) ++// { ++// printk("Configure ADM699X...\n"); ++// SPI_default(); //Add by jason for ADM699X configuration ++// } ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_cleanup_module ++*----------------------------------------------------------------------*/ ++ ++static void gmac_cleanup_module(void) ++{ ++ int i; ++ ++#ifdef SL351x_GMAC_WORKAROUND ++ del_timer(&gmac_workround_timer_obj); ++#endif ++ ++ for (i=0;i<CONFIG_MAC_NUM;i++) ++ { ++ if (toe_private_data.gmac[i].dev) ++ { ++ unregister_netdev(toe_private_data.gmac[i].dev); ++ toe_private_data.gmac[i].dev = NULL; ++ } ++ } ++ return ; ++} ++ ++module_init(gmac_init_module); ++module_exit(gmac_cleanup_module); ++ ++ ++/*---------------------------------------------------------------------- ++* gmac_read_reg ++*----------------------------------------------------------------------*/ ++static inline unsigned int gmac_read_reg(unsigned int base, unsigned int offset) ++//static unsigned int gmac_read_reg(unsigned int base, unsigned int offset) ++{ ++ volatile unsigned int reg_val; ++ ++ reg_val = readl(base + offset); ++ return (reg_val); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_write_reg ++*----------------------------------------------------------------------*/ ++static inline void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask) ++//static void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask) ++{ ++ volatile unsigned int reg_val; ++ unsigned int *addr; ++ ++ reg_val = ( gmac_read_reg(base, offset) & (~bit_mask) ) | (data & bit_mask); ++ addr = (unsigned int *)(base + offset); ++ writel(reg_val,addr); ++ return; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_init_drv ++*----------------------------------------------------------------------*/ ++void mac_init_drv(void) ++{ ++ TOE_INFO_T *toe; ++ int i; ++ QUEUE_THRESHOLD_T threshold; ++ u32 *destp; ++ unsigned int chip_id,chip_version; ++ ++ chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0); ++ chip_version = chip_id & 0x1 ; ++ ++ if (!gmac_initialized) ++ { ++ gmac_initialized = 1; ++ ++ // clear non TOE Queue Header Area ++ destp = (u32 *)TOE_NONTOE_QUE_HDR_BASE; ++ for (; destp < (u32 *)NONTOE_Q_HDR_AREA_END; destp++) ++ *destp = 0x00; ++ ++ // clear TOE Queue Header Area ++ destp = (u32 *)TOE_TOE_QUE_HDR_BASE; ++ for (; destp < (u32 *)TOE_Q_HDR_AREA_END; destp++) ++ *destp = 0x00; ++ ++ // init private data ++ toe = (TOE_INFO_T *)&toe_private_data; ++ memset((void *)toe, 0, sizeof(TOE_INFO_T)); ++ toe->gmac[0].base_addr = GMAC0_BASE; ++ toe->gmac[1].base_addr = GMAC1_BASE; ++ toe->gmac[0].dma_base_addr = TOE_GMAC0_DMA_BASE; ++ toe->gmac[1].dma_base_addr = TOE_GMAC1_DMA_BASE; ++ toe->gmac[0].auto_nego_cfg = 1; ++ toe->gmac[1].auto_nego_cfg = 1; ++#ifdef CONFIG_SL3516_ASIC ++ toe->gmac[0].speed_cfg = GMAC_SPEED_1000; ++ toe->gmac[1].speed_cfg = GMAC_SPEED_1000; ++#else ++ toe->gmac[0].speed_cfg = GMAC_SPEED_100; ++ toe->gmac[1].speed_cfg = GMAC_SPEED_100; ++#endif ++ toe->gmac[0].full_duplex_cfg = 1; ++ toe->gmac[1].full_duplex_cfg = 1; ++#ifdef CONFIG_SL3516_ASIC ++ toe->gmac[0].phy_mode = GMAC_PHY_RGMII_1000; ++ toe->gmac[1].phy_mode = GMAC_PHY_RGMII_1000; ++#else ++ toe->gmac[0].phy_mode = GMAC_PHY_RGMII_100; ++ toe->gmac[1].phy_mode = GMAC_PHY_RGMII_100; ++#endif ++ toe->gmac[0].port_id = GMAC_PORT0; ++ toe->gmac[1].port_id = GMAC_PORT1; ++ toe->gmac[0].phy_addr = 0x1; ++ toe->gmac[1].phy_addr = 2; ++// toe->gmac[0].irq = SL2312_INTERRUPT_GMAC0; ++ toe->gmac[0].irq =1; ++// toe->gmac[1].irq = SL2312_INTERRUPT_GMAC1; ++ toe->gmac[1].irq =2; ++ toe->gmac[0].mac_addr1 = ð_mac[0][0]; ++ toe->gmac[1].mac_addr1 = ð_mac[1][0]; ++ ++ for (i=0; i<CONFIG_MAC_NUM; i++) ++ { ++ unsigned int data, phy_vendor; ++ gmac_write_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2, 0x55aa55aa, 0xffffffff); ++ data = gmac_read_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2); ++ if (data == 0x55aa55aa) ++ { ++#ifdef VITESSE_G5SWITCH ++ if(Giga_switch && (i==1)){ ++ toe->gmac[i].existed = GMAC_EXISTED_FLAG; ++ break; ++ } ++#endif ++ phy_vendor = gmac_get_phy_vendor(toe->gmac[i].phy_addr); ++ if (phy_vendor != 0 && phy_vendor != 0xffffffff) ++ toe->gmac[i].existed = GMAC_EXISTED_FLAG; ++ } ++ } ++ ++ // Write GLOBAL_QUEUE_THRESHOLD_REG ++ threshold.bits32 = 0; ++ threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 : ++ TOE_SW_FREEQ_DESC_NUM/2; ++ threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256/4 : ++ TOE_HW_FREEQ_DESC_NUM/4; ++ threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256/4 : ++ TOE_TOE_DESC_NUM/4; ++ threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256/4 : ++ TOE_INTR_DESC_NUM/4; ++ writel(threshold.bits32, TOE_GLOBAL_BASE + GLOBAL_QUEUE_THRESHOLD_REG); ++ ++ FLAG_SWITCH = 0; ++ toe_gmac_sw_reset(); ++ toe_init_free_queue(); ++ toe_init_swtx_queue(); ++#ifdef CONFIG_SL351x_NAT ++ toe_init_hwtx_queue(); ++#endif ++ toe_init_default_queue(); ++#ifdef CONFIG_SL351x_RXTOE ++ toe_init_interrupt_queue(); ++#endif ++ toe_init_interrupt_config(); ++ ++#if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE) ++ sl351x_hash_init(); ++#else ++ { ++ volatile u32 *dp1, *dp2, dword; ++ ++ dp1 = (volatile u32 *) TOE_V_BIT_BASE; ++ dp2 = (volatile u32 *) TOE_A_BIT_BASE; ++ ++ for (i=0; i<HASH_TOTAL_ENTRIES/32; i++) ++ { ++ *dp1++ = 0; ++ dword = *dp2++; // read-clear ++ } ++ } ++#endif ++ } ++ ++#ifdef SL351x_GMAC_WORKAROUND ++#ifdef CONFIG_SL351x_NAT ++ sl351x_nat_workaround_init(); ++#endif ++ init_timer(&gmac_workround_timer_obj); ++ if (chip_version == 1) ++ { ++ gmac_workround_timer_obj.expires = jiffies * 50; ++ } ++ else ++ { ++ gmac_workround_timer_obj.expires = jiffies + 2; ++ } ++ gmac_workround_timer_obj.data = (unsigned long)&gmac_workround_timer_obj; ++ gmac_workround_timer_obj.function = (void *)&sl351x_poll_gmac_hanged_status; ++ add_timer(&gmac_workround_timer_obj); ++#endif ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_free_queue ++* (1) Initialize the Free Queue Descriptor Base Address & size ++* Register: TOE_GLOBAL_BASE + 0x0004 ++* (2) Initialize DMA Read/Write pointer for ++* SW Free Queue and HW Free Queue ++* (3) Initialize DMA Descriptors for ++* SW Free Queue and HW Free Queue, ++*----------------------------------------------------------------------*/ ++static void toe_init_free_queue(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ DMA_RWPTR_T rwptr_reg; ++// unsigned int rwptr_addr; ++ unsigned int desc_buf; ++ GMAC_RXDESC_T *sw_desc_ptr; ++ struct sk_buff *skb; ++#ifdef CONFIG_SL351x_NAT ++ GMAC_RXDESC_T *desc_ptr; ++ unsigned int buf_ptr; ++#endif ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)), ++ (dma_addr_t *)&toe->sw_freeq_desc_base_dma) ; ++ sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return; ++ } ++ memset((void *)desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ ++ // DMA Queue Base & Size ++ writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER, ++ TOE_GLOBAL_BASE + GLOBAL_SW_FREEQ_BASE_SIZE_REG); ++ ++ // init descriptor base ++ toe->swfq_desc_base = desc_buf; ++ ++ // SW Free Queue Read/Write Pointer ++ rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ toe->fq_rx_rwptr.bits32 = rwptr_reg.bits32; ++ writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ ++ // SW Free Queue Descriptors ++ for (i=0; i<TOE_SW_FREEQ_DESC_NUM; i++) ++ { ++ sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE; ++ sw_desc_ptr->word1.bits.sw_id = i; // used to locate skb ++ if ( (skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); while(1); ++ } ++ REG32(skb->data) = (unsigned int)skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ // toe->rx_skb[i] = skb; ++ sw_desc_ptr->word2.buf_adr = (unsigned int)__pa(skb->data); ++// consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE); ++ sw_desc_ptr++; ++ } ++ ++#ifdef CONFIG_SL351x_NAT ++ if (sizeof(skb->cb) < 64) ++ { ++ printk("==> %s:: sk structure is incorrect -->Change to cb[64] !\n",__func__); while(1); ++ } ++ // init hardware free queues ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)), ++ (dma_addr_t *)&toe->hw_freeq_desc_base_dma) ; ++ desc_ptr = (GMAC_RXDESC_T *)desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return; ++ } ++ memset((void *)desc_buf, 0, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ ++ // DMA Queue Base & Size ++ writel((toe->hw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_HW_FREEQ_DESC_POWER, ++ TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG); ++ ++ // init descriptor base ++ toe->hwfq_desc_base = desc_buf; ++ ++ // HW Free Queue Read/Write Pointer ++ rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++#ifndef HW_RXBUF_BY_KMALLOC ++ buf_ptr = (unsigned int)DMA_MALLOC(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE, ++ (dma_addr_t *)&toe->hwfq_buf_base_dma); ++#else ++ buf_ptr = (unsigned int)kmalloc(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE, GFP_KERNEL); ++ toe->hwfq_buf_base_dma = __pa(buf_ptr); ++#endif ++ if (!buf_ptr) ++ { ++ printk("===> %s::Failed to allocate HW TxQ Buffers!\n",__func__); ++ while(1); // could not be happened, if happened, adjust the buffer descriptor number ++ return; ++ } ++ ++ toe->hwfq_buf_base = buf_ptr; ++ toe->hwfq_buf_end_dma = toe->hwfq_buf_base_dma + (TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE); ++ buf_ptr = (unsigned int)toe->hwfq_buf_base_dma; ++ for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++) ++ { ++ desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE; ++ desc_ptr->word1.bits.sw_id = i; ++ desc_ptr->word2.buf_adr = (unsigned int)buf_ptr; ++// consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE); ++ // consistent_sync((unsigned int)buf_ptr, HW_RX_BUF_SIZE, PCI_DMA_TODEVICE); ++ desc_ptr++; ++ buf_ptr += HW_RX_BUF_SIZE; ++ } ++#else ++ // DMA Queue Base & Size ++ writel((0) | TOE_SW_FREEQ_DESC_POWER, ++ TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG); ++ rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++ ++#endif ++} ++/*---------------------------------------------------------------------- ++* toe_init_swtx_queue ++* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup ++* GMAC_SW_TX_QUEUE_BASE_REG(0x0050) ++* (2) Initialize DMA Read/Write pointer for ++* GMAC 0/1 SW TX Q0-5 ++*----------------------------------------------------------------------*/ ++static void toe_init_swtx_queue(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ DMA_RWPTR_T rwptr_reg; ++ unsigned int rwptr_addr; ++ unsigned int desc_buf; ++ ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ // GMAC-0, SW-TXQ ++ // The GMAC-0 and GMAC-0 maybe have different descriptor number ++ // so, not use for instruction ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)), ++ (dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma) ; ++ toe->gmac[0].swtxq_desc_base = desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_buf, 0, TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); ++ writel((toe->gmac[0].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_SWTXQ_DESC_POWER, ++ TOE_GMAC0_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG); ++ ++ // GMAC0 SW TX Q0-Q5 ++ rwptr_reg.bits.wptr = 0; ++ rwptr_reg.bits.rptr = 0; ++ rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_SW_TXQ_NUM; i++) ++ { ++ toe->gmac[0].swtxq[i].rwptr_reg = rwptr_addr; ++ toe->gmac[0].swtxq[i].desc_base = desc_buf; ++ toe->gmac[0].swtxq[i].total_desc_num = TOE_GMAC0_SWTXQ_DESC_NUM; ++ desc_buf += TOE_GMAC0_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); ++ writel(rwptr_reg.bits32, rwptr_addr); ++ rwptr_addr+=4; ++ } ++ ++ // GMAC-1, SW-TXQ ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)), ++ (dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma) ; ++ toe->gmac[1].swtxq_desc_base = desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_buf, 0, TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); ++ writel((toe->gmac[1].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_SWTXQ_DESC_POWER, ++ TOE_GMAC1_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG); ++ ++ ++ // GMAC1 SW TX Q0-Q5 ++ rwptr_reg.bits.wptr = 0; ++ rwptr_reg.bits.rptr = 0; ++ rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_SW_TXQ_NUM; i++) ++ { ++ toe->gmac[1].swtxq[i].rwptr_reg = rwptr_addr; ++ toe->gmac[1].swtxq[i].desc_base = desc_buf; ++ toe->gmac[1].swtxq[i].total_desc_num = TOE_GMAC1_SWTXQ_DESC_NUM; ++ desc_buf += TOE_GMAC1_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); ++ writel(rwptr_reg.bits32, rwptr_addr); ++ rwptr_addr+=4; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_hwtx_queue ++* (2) Initialize the GMAC 0/1 HW TXQ Queue Descriptor Base Address & size ++* GMAC_HW_TX_QUEUE_BASE_REG(0x0054) ++* (2) Initialize DMA Read/Write pointer for ++* GMAC 0/1 HW TX Q0-5 ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static void toe_init_hwtx_queue(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ DMA_RWPTR_T rwptr_reg; ++ unsigned int rwptr_addr; ++ unsigned int desc_buf; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ // GMAC-0, HW-TXQ ++ // The GMAC-0 and GMAC-0 maybe have different descriptor number ++ // so, not use for instruction ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)), ++ (dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma) ; ++ toe->gmac[0].hwtxq_desc_base = desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_buf, 0, TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); ++ writel((toe->gmac[0].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_HWTXQ_DESC_POWER, ++ TOE_GMAC0_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG); ++ ++ // GMAC0 HW TX Q0-Q5 ++ rwptr_reg.bits.wptr = 0; ++ rwptr_reg.bits.rptr = 0; ++ rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ toe->gmac[0].hwtxq[i].desc_base = desc_buf; ++ desc_buf += TOE_GMAC0_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); ++ writel(rwptr_reg.bits32, rwptr_addr); ++ rwptr_addr+=4; ++ } ++ ++ // GMAC-1, HW-TXQ ++ desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)), ++ (dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma) ; ++ toe->gmac[1].hwtxq_desc_base = desc_buf; ++ if (!desc_buf) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_buf, 0, TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); ++ writel((toe->gmac[1].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_HWTXQ_DESC_POWER, ++ TOE_GMAC1_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG); ++ ++ // GMAC1 HW TX Q0-Q5 ++ rwptr_reg.bits.wptr = 0; ++ rwptr_reg.bits.rptr = 0; ++ rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ toe->gmac[1].hwtxq[i].desc_base = desc_buf; ++ desc_buf += TOE_GMAC1_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); ++ writel(rwptr_reg.bits32, rwptr_addr); ++ rwptr_addr+=4; ++ } ++} ++#endif ++ ++/*---------------------------------------------------------------------- ++* toe_init_default_queue ++* (1) Initialize the default 0/1 Queue Header ++* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000) ++* TOE_DEFAULT_Q1_HDR_BASE (0x60002008) ++* (2) Initialize Descriptors of Default Queue 0/1 ++*----------------------------------------------------------------------*/ ++static void toe_init_default_queue(void) ++{ ++ TOE_INFO_T *toe; ++ volatile NONTOE_QHDR_T *qhdr; ++ GMAC_RXDESC_T *desc_ptr; ++ DMA_SKB_SIZE_T skb_size; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T)), ++ (dma_addr_t *)&toe->gmac[0].default_desc_base_dma); ++ if (!desc_ptr) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_ptr, 0, TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ toe->gmac[0].default_desc_base = (unsigned int)desc_ptr; ++ toe->gmac[0].default_desc_num = TOE_DEFAULT_Q0_DESC_NUM; ++ qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q0_HDR_BASE; ++ qhdr->word0.base_size = ((unsigned int)toe->gmac[0].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q0_DESC_POWER; ++ qhdr->word1.bits32 = 0; ++ toe->gmac[0].rx_rwptr.bits32 = 0; ++ toe->gmac[0].default_qhdr = (NONTOE_QHDR_T *)qhdr; ++ desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T)), ++ (dma_addr_t *)&toe->gmac[1].default_desc_base_dma); ++ if (!desc_ptr) ++ { ++ printk("%s::DMA_MALLOC fail !\n",__func__); ++ return ; ++ } ++ memset((void *)desc_ptr, 0, TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ toe->gmac[1].default_desc_base = (unsigned int)desc_ptr; ++ toe->gmac[1].default_desc_num = TOE_DEFAULT_Q1_DESC_NUM; ++ qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q1_HDR_BASE; ++ qhdr->word0.base_size = ((unsigned int)toe->gmac[1].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q1_DESC_POWER; ++ qhdr->word1.bits32 = 0; ++ toe->gmac[1].rx_rwptr.bits32 = 0; ++ toe->gmac[1].default_qhdr = (NONTOE_QHDR_T *)qhdr; ++ ++ skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE; ++ skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE; ++ writel(skb_size.bits32, TOE_GLOBAL_BASE + GLOBAL_DMA_SKB_SIZE_REG); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_interrupt_queue ++* (1) Initialize the Interrupt Queue Header ++* Register: TOE_INTR_Q_HDR_BASE (0x60002080) ++* (2) Initialize Descriptors of Interrupt Queues ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static void toe_init_interrupt_queue(void) ++{ ++ TOE_INFO_T *toe; ++ volatile NONTOE_QHDR_T *qhdr; ++ INTR_QHDR_T *desc_ptr; ++ // unsigned int desc_buf_addr; ++ int i; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ desc_ptr = (INTR_QHDR_T *)DMA_MALLOC((TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T)), ++ (dma_addr_t *)&toe->intr_desc_base_dma); ++ if (!desc_ptr) ++ { ++ printk("%s::DMA_MALLOC interrupt queue fail !\n",__func__); ++ return ; ++ } ++ /* ++ desc_buf_addr = (unsigned int)DMA_MALLOC((TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T)), ++ (dma_addr_t *)&toe->intr_buf_base_dma); ++ if (!desc_buf_addr) ++ { ++ printk("%s::DMA_MALLOC interrupt desc fail !\n",__func__); ++ return ; ++ }*/ ++ printk("#### %s::Intr Q desc %x\n", __func__, (u32)desc_ptr); ++ ++ memset((void *)desc_ptr, 0, TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T)); ++// memset((void *)desc_buf_addr, 0, TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T)); ++ toe->intr_desc_base = (unsigned int)desc_ptr; ++ toe->intr_desc_num = TOE_INTR_DESC_NUM; ++ ++ qhdr = (volatile NONTOE_QHDR_T *)TOE_INTR_Q_HDR_BASE; ++// intrq = (INTRQ_INFO_T*) &toe->intrq[0]; ++ for (i=0; i<TOE_INTR_QUEUE_NUM; i++, qhdr++) ++ { ++ qhdr->word0.base_size = ((unsigned int)toe->intr_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_INTR_DESC_POWER; ++ qhdr->word1.bits32 = 0; ++ desc_ptr += TOE_INTR_DESC_NUM; ++ } ++} ++ ++#endif ++ ++/*---------------------------------------------------------------------- ++* toe_init_interrupt_config ++* Interrupt Select Registers are used to map interrupt to int0 or int1 ++* Int0 and int1 are wired to CPU 0/1 GMAC 0/1 ++* Interrupt Device Inteface data are used to pass device info to ++* upper device deiver or store status/statistics ++* ISR handler ++* (1) If status bit ON but masked, the prinf error message (bug issue) ++* (2) If select bits are for me, handle it, else skip to let ++* the other ISR handles it. ++* Notes: ++* GMACx init routine (for eCOS) or open routine (for Linux) ++* enable the interrupt bits only which are selected for him. ++* ++* Default Setting: ++* GMAC0 intr bits ------> int0 ----> eth0 ++* GMAC1 intr bits ------> int1 ----> eth1 ++* TOE intr -------------> int0 ----> eth0 ++* Classification Intr --> int0 ----> eth0 ++* Default Q0 -----------> int0 ----> eth0 ++* Default Q1 -----------> int1 ----> eth1 ++*----------------------------------------------------------------------*/ ++static void toe_init_interrupt_config(void) ++{ ++ // clear all status bits ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++ // Init select registers ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG); ++ ++ // disable all interrupt ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_0_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_2_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_3_REG); ++ writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_gmac ++*----------------------------------------------------------------------*/ ++static void toe_init_gmac(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ TOE_INFO_T *toe; ++ u32 data; ++ ++ if (!gmac_initialized) ++ return ; ++ ++ if (!tp->existed) ++ return; ++ ++ tp->dev = dev; ++ tp->flow_control_enable = 1; ++ tp->pre_phy_status = LINK_DOWN; ++ tp->full_duplex_status = tp->full_duplex_cfg; ++ tp->speed_status = tp->speed_status; ++ ++#if 0 ++ /* get mac address from FLASH */ ++ gmac_get_mac_address(); ++#endif ++ ++ /* set PHY register to start autonegition process */ ++ gmac_set_phy_status(dev); ++ ++ /* GMAC initialization */ ++ if ( toe_gmac_init_chip(dev) ) ++ { ++ printk ("GMAC %d init fail\n", tp->port_id); ++ } ++ ++ /* clear statistic counter */ ++ toe_gmac_clear_counter(dev); ++ ++ memset((void *)&tp->ifStatics, 0, sizeof(struct net_device_stats)); ++ ++ /* ----------------------------------------------------------- ++ Enable GMAC interrupt & disable loopback ++ Notes: ++ GMACx init routine (for eCOS) or open routine (for Linux) ++ enable the interrupt bits only which are selected for him. ++ --------------------------------------------------------------*/ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ // Enable Interrupt Bits ++ if (tp->port_id == 0) ++ { ++ tp->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | ++ GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | ++ GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT | ++ GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT | ++ GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT | ++ GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT | ++ GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT | ++ GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; ++ ++#ifdef GMAX_TX_INTR_DISABLED ++ tp->intr0_enabled = 0; ++#else ++ tp->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; ++#endif ++ ++ tp->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS | ++ GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | ++ GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT | ++ DEFAULT_Q0_INT_BIT; ++ tp->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS; ++ tp->intr2_selected = 0xffffffff; // TOE Queue 32-63 FUUL Intr ++ tp->intr2_enabled = 0xffffffff; ++ tp->intr3_selected = 0xffffffff; // TOE Queue 0-31 FUUL Intr ++ tp->intr3_enabled = 0xffffffff; ++ tp->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS | ++ HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT; ++ tp->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT; ++ ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) & ~tp->intr0_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) & ~tp->intr1_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) & ~tp->intr2_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) & ~tp->intr3_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) & ~tp->intr4_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG); ++ } ++ else ++ { ++ tp->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | ++ GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT | ++ GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT | ++ GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT | ++ GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT | ++ GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT | ++ GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT | ++ GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; ++#ifdef GMAX_TX_INTR_DISABLED ++ tp->intr0_enabled = 0; ++#else ++ tp->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; ++#endif ++ ++ tp->intr1_selected = DEFAULT_Q1_INT_BIT; ++ tp->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS; ++ tp->intr2_selected = 0; // TOE Queue 32-63 FUUL Intr ++ tp->intr2_enabled = 0; ++ tp->intr3_selected = 0; // TOE Queue 0-31 FUUL Intr ++ tp->intr3_enabled = 0; ++ tp->intr4_selected = GMAC1_INT_BITS; ++ tp->intr4_enabled = GMAC1_INT_BITS; ++ ++ if (toe->gmac[0].existed != GMAC_EXISTED_FLAG) ++ { ++ tp->intr1_selected |= TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS | ++ GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | ++ GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT; ++ tp->intr1_enabled |= TOE_IQ_ALL_BITS; ++ tp->intr2_selected |= 0xffffffff; // TOE Queue 32-63 FUUL Intr ++ tp->intr2_enabled |= 0xffffffff; ++ tp->intr3_selected |= 0xffffffff; // TOE Queue 0-31 FUUL Intr ++ tp->intr3_enabled |= 0xffffffff; ++ tp->intr4_selected |= CLASS_RX_FULL_INT_BITS | ++ HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT; ++ tp->intr4_enabled |= SWFQ_EMPTY_INT_BIT; ++ } ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) | tp->intr0_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) | tp->intr1_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) | tp->intr2_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) | tp->intr3_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG); ++ data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) | tp->intr4_selected; ++ writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG); ++ } ++ ++ // enable only selected bits ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_0_REG, ++ tp->intr0_enabled, tp->intr0_selected); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_1_REG, ++ tp->intr1_enabled, tp->intr1_selected); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_2_REG, ++ tp->intr2_enabled, tp->intr2_selected); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_3_REG, ++ tp->intr3_enabled, tp->intr3_selected); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG, ++ tp->intr4_enabled, tp->intr4_selected); ++ ++ /* start DMA process */ ++ toe_gmac_hw_start(dev); ++ ++ /* enable tx/rx register */ ++ toe_gmac_enable_tx_rx(dev); ++ ++// toe_gmac_enable_interrupt(tp->irq); ++ ++ return ; ++} ++ ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_sw_reset ++*----------------------------------------------------------------------*/ ++static void toe_gmac_sw_reset(void) ++{ ++ unsigned int reg_val; ++ reg_val = readl(GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG) | 0x00000060; /* GMAC0 S/W reset */ ++ writel(reg_val,GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG); ++ udelay(100); ++ return; ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_init_chip ++*----------------------------------------------------------------------*/ ++static int toe_gmac_init_chip(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG2_T config2_val; ++ GMAC_CONFIG0_T config0,config0_mask; ++ GMAC_CONFIG1_T config1; ++ #ifdef CONFIG_SL351x_NAT ++ GMAC_CONFIG3_T config3_val; ++ #endif ++ GMAC_TX_WCR0_T hw_weigh; ++ GMAC_TX_WCR1_T sw_weigh; ++// GMAC_HASH_ENABLE_REG0_T hash_ctrl; ++// ++#if 0 /* mac address will be set in late_initcall */ ++ struct sockaddr sock; ++ // GMAC_AHB_WEIGHT_T ahb_weight, ahb_weight_mask; ++ ++ ++ /* set station MAC address1 and address2 */ ++ memcpy(&sock.sa_data[0],ð_mac[tp->port_id][0],6); ++ gmac_set_mac_address(dev,(void *)&sock); ++#endif ++ ++ /* set RX_FLTR register to receive all multicast packet */ ++ gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f); ++ // gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f); ++ //gmac_write_reg(tp->base_addr, GMAC_RX_FLTR,0x00000007,0x0000001f); ++ ++ /* set per packet buffer size */ ++ // config1.bits32 = 0x002004; //next version ++ /* set flow control threshold */ ++ config1.bits32 = 0; ++ config1.bits.set_threshold = 32 / 2; ++ config1.bits.rel_threshold = 32 / 4 * 3; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG1, config1.bits32, 0xffffffff); ++ ++ /* set flow control threshold */ ++ config2_val.bits32 = 0; ++ config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM/2; ++ config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM*3/4; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG2, config2_val.bits32,0xffffffff); ++ ++ #ifdef CONFIG_SL351x_NAT ++ /* set HW free queue flow control threshold */ ++ config3_val.bits32 = 0; ++ config3_val.bits.set_threshold = PAUSE_SET_HW_FREEQ; ++ config3_val.bits.rel_threshold = PAUSE_REL_HW_FREEQ; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG3, config3_val.bits32,0xffffffff); ++ #endif ++ /* set_mcast_filter mask*/ ++ // gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,0x0,0xffffffff); ++ // gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,0x0,0xffffffff); ++ ++ /* disable TX/RX and disable internal loop back */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ ++ //debug_Aaron ++#ifdef L2_jumbo_frame ++ config0.bits.max_len = 5; ++#else ++ config0.bits.max_len = 2; ++#endif ++ ++ if (tp->flow_control_enable==1) ++ { ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ printk("Enable MAC Flow Control...\n"); ++ } ++ else ++ { ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ printk("Disable MAC Flow Control...\n"); ++ } ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0.bits.loop_back = 0; /* enable/disable GMAC loopback */ ++ config0.bits.rx_err_detect = 1; ++ config0.bits.rgmii_en = 0; ++ config0.bits.rgmm_edge = 1; ++ config0.bits.rxc_inv = 0; ++ config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */ ++ config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */ ++ config0.bits.port0_chk_hwq = 1; // GaryChen 3/24/2006 2:26PM ++ config0.bits.port1_chk_hwq = 1; // GaryChen 3/24/2006 2:26PM ++ config0.bits.port0_chk_toeq = 1; ++ config0.bits.port1_chk_toeq = 1; ++ config0.bits.port0_chk_classq = 1; ++ config0.bits.port1_chk_classq = 1; ++ ++ config0_mask.bits.max_len = 7; ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ config0_mask.bits.loop_back = 1; ++ config0_mask.bits.rgmii_en = 1; ++ config0_mask.bits.rgmm_edge = 1; ++ config0_mask.bits.rxc_inv = 1; ++ config0_mask.bits.ipv4_rx_chksum = 1; ++ config0_mask.bits.ipv6_rx_chksum = 1; ++ config0_mask.bits.port0_chk_hwq = 1; ++ config0_mask.bits.port1_chk_hwq = 1; ++ config0_mask.bits.port0_chk_toeq = 1; ++ config0_mask.bits.port1_chk_toeq = 1; ++ config0_mask.bits.port0_chk_classq = 1; ++ config0_mask.bits.port1_chk_classq = 1; ++ config0_mask.bits.rx_err_detect = 1; ++ ++ #if 0 ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0.bits.loop_back = 0; /* enable/disable GMAC loopback */ ++ config0.bits.txc_inv = 0; ++ config0.bits.rgmii_en = 0; ++ config0.bits.rgmm_edge = 1; ++ config0.bits.rxc_inv = 1; ++ config0.bits.ipv4_tss_rx_en = 1; /* enable H/W to check ip checksum */ ++ config0.bits.ipv6_tss_rx_en = 1; /* enable H/W to check ip checksum */ ++ ++ config0_mask.bits.max_len = 3; ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ config0_mask.bits.loop_back = 1; ++ config0_mask.bits.rgmii_en = 1; ++ config0_mask.bits.rgmm_edge = 1; ++ config0_mask.bits.txc_inv = 1; ++ config0_mask.bits.rxc_inv = 1; ++ config0_mask.bits.ipv4_tss_rx_en = 1; ++ config0_mask.bits.ipv6_tss_rx_en = 1; ++ #endif ++ ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32); ++ ++ #if 1 ++ hw_weigh.bits32 = 0; ++ hw_weigh.bits.hw_tq3 = 1; ++ hw_weigh.bits.hw_tq2 = 1; ++ hw_weigh.bits.hw_tq1 = 1; ++ hw_weigh.bits.hw_tq0 = 1; ++ gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff); ++ ++ sw_weigh.bits32 = 0; ++ sw_weigh.bits.sw_tq5 = 1; ++ sw_weigh.bits.sw_tq4 = 1; ++ sw_weigh.bits.sw_tq3 = 1; ++ sw_weigh.bits.sw_tq2 = 1; ++ sw_weigh.bits.sw_tq1 = 1; ++ sw_weigh.bits.sw_tq0 = 1; ++ gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff); ++ #endif ++ ++ #if 0 ++ ahb_weight.bits32 = 0; ++ ahb_weight_mask.bits32 = 0; ++ ahb_weight.bits.rx_weight = 1; ++ ahb_weight.bits.tx_weight = 1; ++ ahb_weight.bits.hash_weight = 1; ++ ahb_weight.bits.pre_req = 0x1f; ++ ahb_weight.bits.tqDV_threshold = 0; ++ ahb_weight_mask.bits.rx_weight = 0x1f; ++ ahb_weight_mask.bits.tx_weight = 0x1f; ++ ahb_weight_mask.bits.hash_weight = 0x1f; ++ ahb_weight_mask.bits.pre_req = 0x1f; ++ ahb_weight_mask.bits.tqDV_threshold = 0x1f; ++ gmac_write_reg(tp->dma_base_addr, GMAC_AHB_WEIGHT_REG, ahb_weight.bits32, ahb_weight_mask.bits32); ++ #endif ++ ++ #if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE) ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR0, IPPROTO_TCP, 0xffffffff); ++ #endif ++ #ifdef CONFIG_SL351x_NAT ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR1, IPPROTO_UDP, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR2, IPPROTO_GRE, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR3, 0xff, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR4, 0xff, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR5, 0xff, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR6, 0xff, 0xffffffff); ++ gmac_write_reg(tp->dma_base_addr, GMAC_SPR7, 0xff, 0xffffffff); ++ ++ sl351x_nat_init(); ++ #endif ++ ++ #ifdef CONFIG_SL351x_RXTOE ++ /* setup matching rule to TOE */ ++ sl351x_toe_init(); ++ #endif ++ ++ // for A1 ASIC version ++// hash_ctrl.bits32 = 0; ++// hash_ctrl.bits.timing = 6; ++// gmac_write_reg(tp->dma_base_addr, GMAC_HASH_ENGINE_REG0, hash_ctrl.bits32, 0xffffffff); ++ ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_enable_tx_rx ++*----------------------------------------------------------------------*/ ++static void toe_gmac_enable_tx_rx(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 0; /* enable rx */ ++ config0.bits.dis_tx = 0; /* enable tx */ ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32); ++} ++/*---------------------------------------------------------------------- ++* toe_gmac_disable_rx ++*----------------------------------------------------------------------*/ ++#if 0 ++static void toe_gmac_disable_rx(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 1; /* disable rx */ ++// config0.bits.dis_tx = 1; /* disable tx */ ++ config0_mask.bits.dis_rx = 1; ++// config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32); ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_gmac_enable_rx ++*----------------------------------------------------------------------*/ ++#if 0 ++static void toe_gmac_enable_rx(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 0; /* enable rx */ ++// config0.bits.dis_tx = 0; /* enable tx */ ++ config0_mask.bits.dis_rx = 1; ++// config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32); ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_gmac_disable_tx_rx ++*----------------------------------------------------------------------*/ ++static void toe_gmac_disable_tx_rx(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ ++ /* enable TX/RX */ ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0_mask.bits.dis_rx = 1; ++ config0_mask.bits.dis_tx = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_hw_start ++*----------------------------------------------------------------------*/ ++static void toe_gmac_hw_start(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.rd_enable = 1; ++ dma_ctrl.bits.td_enable = 1; ++ dma_ctrl.bits.loopback = 0; ++ dma_ctrl.bits.drop_small_ack = 0; ++ dma_ctrl.bits.rd_prot = 0; ++ dma_ctrl.bits.rd_burst_size = 3; ++ dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES; ++ dma_ctrl.bits.rd_bus = 3; ++ dma_ctrl.bits.td_prot = 0; ++ dma_ctrl.bits.td_burst_size = 3; ++ dma_ctrl.bits.td_bus = 3; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.rd_enable = 1; ++ dma_ctrl_mask.bits.td_enable = 1; ++ dma_ctrl_mask.bits.loopback = 1; ++ dma_ctrl_mask.bits.drop_small_ack = 1; ++ dma_ctrl_mask.bits.rd_prot = 3; ++ dma_ctrl_mask.bits.rd_burst_size = 3; ++ dma_ctrl_mask.bits.rd_insert_bytes = 3; ++ dma_ctrl_mask.bits.rd_bus = 3; ++ dma_ctrl_mask.bits.td_prot = 0x0f; ++ dma_ctrl_mask.bits.td_burst_size = 3; ++ dma_ctrl_mask.bits.td_bus = 3; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++ ++ return; ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_hw_stop ++*----------------------------------------------------------------------*/ ++static void toe_gmac_hw_stop(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.rd_enable = 0; ++ dma_ctrl.bits.td_enable = 0; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.rd_enable = 1; ++ dma_ctrl_mask.bits.td_enable = 1; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_clear_counter ++*----------------------------------------------------------------------*/ ++static int toe_gmac_clear_counter (struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++ /* clear counter */ ++ gmac_read_reg(tp->base_addr, GMAC_IN_DISCARDS); ++ gmac_read_reg(tp->base_addr, GMAC_IN_ERRORS); ++ gmac_read_reg(tp->base_addr, GMAC_IN_MCAST); ++ gmac_read_reg(tp->base_addr, GMAC_IN_BCAST); ++ gmac_read_reg(tp->base_addr, GMAC_IN_MAC1); ++ gmac_read_reg(tp->base_addr, GMAC_IN_MAC2); ++ tp->ifStatics.tx_bytes = 0; ++ tp->ifStatics.tx_packets = 0; ++ tp->ifStatics.tx_errors = 0; ++ tp->ifStatics.rx_bytes = 0; ++ tp->ifStatics.rx_packets = 0; ++ tp->ifStatics.rx_errors = 0; ++ tp->ifStatics.rx_dropped = 0; ++ return (0); ++} ++ ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_tx_complete ++*----------------------------------------------------------------------*/ ++static void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid, ++ struct net_device *dev, int interrupt) ++{ ++ volatile GMAC_TXDESC_T *curr_desc; ++ GMAC_TXDESC_0_T word0; ++ GMAC_TXDESC_1_T word1; ++ unsigned int desc_count; ++// struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics; ++ GMAC_SWTXQ_T *swtxq; ++ DMA_RWPTR_T rwptr; ++ ++ /* get tx H/W completed descriptor virtual address */ ++ /* check tx status and accumulate tx statistics */ ++ swtxq = &tp->swtxq[tx_qid]; ++ swtxq->intr_cnt++; ++ for (;;) ++ { ++ rwptr.bits32 = readl(swtxq->rwptr_reg); ++ if (rwptr.bits.rptr == swtxq->finished_idx) ++ break; ++ curr_desc = (volatile GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE); ++ word0.bits32 = curr_desc->word0.bits32; ++ word1.bits32 = curr_desc->word1.bits32; ++ ++ if (word0.bits.status_tx_ok) ++ { ++ tp->ifStatics.tx_bytes += word1.bits.byte_count; ++ desc_count = word0.bits.desc_count; ++ if (desc_count==0) ++ { ++ printk("%s::Desc 0x%x = 0x%x, desc_count=%d\n",__func__, (u32)curr_desc, word0.bits32, desc_count); ++ while(1); ++ } ++ while (--desc_count) ++ { ++ word0.bits.status_tx_ok = 0; ++ curr_desc->word0.bits32 = word0.bits32; ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num); ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++ word0.bits32 = curr_desc->word0.bits32; ++#ifdef _DUMP_TX_TCP_CONTENT ++ if (curr_desc->word0.bits.buffer_size < 16) ++ { ++ int a; ++ char *datap; ++ printk("\t Tx Finished Desc 0x%x Len %d Addr 0x%08x: ", (u32)curr_desc, curr_desc->word0.bits.buffer_size, curr_desc->word2.buf_adr); ++ datap = (char *)__va(curr_desc->word2.buf_adr); ++ for (a=0; a<8 && a<curr_desc->word0.bits.buffer_size; a++, datap++) ++ { ++ printk("0x%02x ", *datap); ++ } ++ printk("\n"); ++ } ++#endif ++ } ++ ++ word0.bits.status_tx_ok = 0; ++ if (swtxq->tx_skb[swtxq->finished_idx]) ++ { ++ if (interrupt) ++ dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]); ++ else ++ dev_kfree_skb(swtxq->tx_skb[swtxq->finished_idx]); ++ swtxq->tx_skb[swtxq->finished_idx] = NULL; ++ } ++ curr_desc->word0.bits32 = word0.bits32; ++ swtxq->curr_finished_desc = (GMAC_TXDESC_T *)curr_desc; ++ swtxq->total_finished++; ++ tp->ifStatics.tx_packets++; ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num); ++ } ++ else ++ { ++ // tp->ifStatics.tx_errors++; ++ // printk("%s::Tx Descriptor is !!!\n",__func__); ++ // wait ready by breaking ++ break; ++ } ++ } ++ ++ if (netif_queue_stopped(dev)) ++ { ++ netif_wake_queue(dev); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_start_xmit ++*----------------------------------------------------------------------*/ ++static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) ++{ ++ GMAC_INFO_T *tp= dev->priv; ++// static unsigned int pcount = 0; ++// unsigned int tx_qid; ++ DMA_RWPTR_T rwptr; ++ volatile GMAC_TXDESC_T *curr_desc; ++ int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */ ++ int frag_id = 0; ++ int len, total_len = skb->len; ++ struct net_device_stats *isPtr; ++ unsigned int free_desc; ++ GMAC_SWTXQ_T *swtxq; ++ register unsigned long word0, word1, word2, word3; ++ unsigned short wptr, rptr; ++#ifdef L2_jumbo_frame ++ int header_len = skb->len; ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ int tcp_hdr_len; ++ unsigned char *ptr; ++ int data_len,a; ++ unsigned int val; ++#endif ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ int total_pages; ++ total_pages = snd_pages; ++#endif ++ ++ isPtr = (struct net_device_stats *)&tp->ifStatics; ++#if 1 ++ if (skb->len >= 0x10000) ++ { ++// spin_unlock(&tp->tx_mutex); ++ isPtr->tx_dropped++; ++ printk("%s::[GMAC %d] skb->len %d >= 64K\n", __func__, tp->port_id, skb->len); ++ netif_stop_queue(dev); ++ return 1; ++ } ++#endif ++ ++#if 0 ++ if (storlink_ctl.recvfile==2) ++ { ++ printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len); ++ } ++#endif ++ ++#ifdef GMAC_USE_TXQ0 ++ #define tx_qid 0 ++#endif ++ ++ swtxq = &tp->swtxq[tx_qid]; ++ ++// spin_lock(&tp->tx_mutex); ++ rwptr.bits32 = readl(swtxq->rwptr_reg); ++ wptr = rwptr.bits.wptr; ++ rptr = rwptr.bits.rptr; ++ ++ // check finished desc or empty BD ++ // cannot check by read ptr of RW PTR register, ++ // because the HW complete to send but the SW may NOT handle it ++#ifndef GMAX_TX_INTR_DISABLED ++ if (wptr >= swtxq->finished_idx) ++ free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx; ++ else ++ free_desc = swtxq->finished_idx - wptr - 1; ++ ++ if (free_desc < snd_pages) ++ { ++// spin_unlock(&tp->tx_mutex); ++ isPtr->tx_dropped++; ++// printk("GMAC %d No available descriptor!\n", tp->port_id); ++ netif_stop_queue(dev); ++ return 1; ++ } ++#else ++ toe_gmac_tx_complete(tp, tx_qid, dev, 0); ++ ++ if (wptr >= swtxq->finished_idx) ++ free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx; ++ else ++ free_desc = swtxq->finished_idx - wptr - 1; ++ if (free_desc < snd_pages) ++ { ++// spin_unlock(&tp->tx_mutex); ++ isPtr->tx_dropped++; ++// printk("GMAC %d No available descriptor!\n", tp->port_id); ++ netif_stop_queue(dev); ++ return 1; ++ } ++ ++#if 0 ++ printk("1: free_desc=%d, wptr=%d, finished_idx=%d\n", free_desc, wptr, swtxq->finished_idx); ++ if ((free_desc < (snd_pages << 2)) || ++ (free_desc < (swtxq->total_desc_num >> 2))) ++ { ++ printk("2: free_desc = %d\n", free_desc); ++ toe_gmac_tx_complete(tp, tx_qid, dev, 0); ++ rwptr.bits32 = readl(swtxq->rwptr_reg); ++ wptr = rwptr.bits.wptr; ++ if (wptr>= swtxq->finished_idx) ++ free_desc = swtxq->total_desc_num - wptr -1 + swtxq->finished_idx; ++ else ++ free_desc = swtxq->finished_idx - wptr - 1; ++ } ++#endif ++#endif ++ ++#ifdef L2_jumbo_frame ++// data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len; ++// if ((skb->nh.iph->protocol == __constant_htons(ETH_P_IP)) && ((skb->nh.iph->protocol & 0x00ff) == IPPROTO_TCP)) ++// if (skb->nh.iph->protocol == 0x006 && (skb->nh.iph->protocol == __constant_htons(ETH_P_IP))) ++ if (((skb->nh.iph->protocol & 0x00ff) == IPPROTO_TCP)) ++ { ++ ip_hdr = (struct iphdr*)(skb->nh.iph); ++ tcp_hdr = (struct tcphdr*)(skb->h.th); ++ tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4; ++ tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4; ++ ++ if ((skb->h.th->syn) && (tcp_hdr_len > 20)) ++ { ++ ptr = (unsigned char *)(tcp_hdr+1); ++ if ((ptr[0] == 0x02) && (ptr[1] == 0x04) && (ptr[2] == 0x07) && (ptr[3] == 0xba)) // 0x07 aa=2016-54=1962 ,0x07ba=2032-54=1978 ++ { ++ ptr[2]=0x20; //23 ++ ptr[3]=0x00; //00 ++ printk("-----> Change MSS to 8K \n" ); ++ } ++ } ++ } ++// if ((ip_hdr->protocol & 0x00ff) != IPPROTO_TCP) ++// if ((tcp_hdr_len > 20) && (skb->h.th->syn)) ++#endif ++ ++ ++#if 0 ++ if (snd_pages > 1) ++ printk("-----> snd_pages=%d\n", snd_pages); ++ if (total_len > 1514) ++ { ++ printk("-----> total_len=%d\n", total_len); ++ } ++#endif ++ ++ while (snd_pages) ++ { ++ char *pkt_datap; ++ ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr; ++// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE); ++#if 0 ++//#if (GMAC_DEBUG==1) ++ // if curr_desc->word2.buf_adr !=0 means that the ISR does NOT handle it ++ // if (curr_desc->word2.buf_adr) ++ if (swtxq->tx_skb[wptr]) ++ { ++ printk("Error! Stop due to TX descriptor's buffer is not freed!\n"); ++ while(1); ++ dev_kfree_skb(swtxq->tx_skb[wptr]); ++ swtxq->tx_skb[wptr] = NULL; ++ } ++#endif ++ ++ if (frag_id == 0) ++ { ++#if 0 ++ int i; ++ pkt_datap = skb->data; ++ len = total_len; ++ for (i=0; i<skb_shinfo(skb)->nr_frags; i++) ++ { ++ skb_frag_t* frag = &skb_shinfo(skb)->frags[i]; ++ len -= frag->size; ++ } ++#else ++ pkt_datap = skb->data; ++ len = total_len - skb->data_len; ++#endif ++ } ++ else ++ { ++ skb_frag_t* frag = &skb_shinfo(skb)->frags[frag_id-1]; ++ pkt_datap = page_address(frag->page) + frag->page_offset; ++ len = frag->size; ++ if (len > total_len) ++ { ++ printk("===> Fatal Error! Send Frag size %d > Total Size %d!!!!!\n", ++ len, total_len); ++ } ++ } ++ ++ /* set TX descriptor */ ++ /* copy packet to descriptor buffer address */ ++ // curr_desc->word0.bits32 = len; /* total frame byte count */ ++ word0 = len; ++#ifdef L2_jumbo_frame ++ word3 = (dev->mtu+14) | EOFIE_BIT; //2016 ,2032 ++#else ++ word3 = 1514 | EOFIE_BIT; ++#endif ++ ++#ifdef DO_HW_CHKSUM ++#ifdef L2_jumbo_frame ++ if (total_len >= (dev->mtu+14) && (skb->nh.iph->protocol == 0x011) && skb->nh.iph && (skb->nh.iph->frag_off & __constant_htons(0x3fff))) ++#else ++ if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff))) ++#endif ++ word1 = total_len | ++ TSS_IP_CHKSUM_BIT | ++ TSS_IPV6_ENABLE_BIT | ++ TSS_MTU_ENABLE_BIT; ++ else ++ word1 = total_len | ++ TSS_UDP_CHKSUM_BIT | ++ TSS_TCP_CHKSUM_BIT | ++ TSS_IP_CHKSUM_BIT | ++ TSS_IPV6_ENABLE_BIT | ++ TSS_MTU_ENABLE_BIT; ++#else ++ word1 = total_len | TSS_MTU_ENABLE_BIT; ++#endif ++ word2 = (unsigned long)__pa(pkt_datap); ++ ++ if (frag_id == 0) ++ { ++ word3 |= SOF_BIT; // SOF ++ } ++ ++ if (snd_pages == 1) ++ { ++ word3 |= EOF_BIT; // EOF ++ swtxq->tx_skb[wptr] = skb; ++#ifdef CONFIG_SL351x_NAT ++ if (nat_cfg.enabled && sl351x_nat_output(skb, tp->port_id)) ++ word1 |= TSS_IP_FIXED_LEN_BIT; ++#endif ++ } ++ else ++ swtxq->tx_skb[wptr] = NULL; ++ // word1 |= TSS_IP_FIXED_LEN_BIT; ++#if 1 ++#ifdef CONFIG_SL351x_RXTOE ++ // check if this frame has the mission to enable toe hash entry.. ++ // if rx_max_pktsize ==0, do not enable RXTOE ++ if (TCP_SKB_CB(skb)->connection && storlink_ctl.rx_max_pktsize) { ++ set_toeq_hdr(TCP_SKB_CB(skb)->connection, &toe_private_data, dev); ++ } ++#endif ++#endif ++#ifdef _DUMP_TX_TCP_CONTENT ++ if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139))) ++ { ++ int a; ++ char *datap; ++ printk("Tx Desc 0x%x Frag %d Len %d [IP-ID 0x%x] 0x%08x: ", (u32)curr_desc, frag_id, len, htons(skb->nh.iph->id), (u32)pkt_datap); ++ datap = (char *)pkt_datap; ++ for (a=0; a<8 && a<len; a++, datap++) ++ { ++ printk("0x%02x ", *datap); ++ } ++ printk("\n"); ++ } ++#endif ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ if ((total_pages!=snd_pages) && (len == 1 || len == 2 ) && ((u32)pkt_datap & 0x03)) ++ { ++ memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len); ++ pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0]; ++ word2 = (unsigned long)__pa(pkt_datap); ++ _debug_prefetch_cnt++; ++ if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM) ++ _debug_prefetch_cnt = 0; ++ } ++#endif ++ ++ consistent_sync((void *)pkt_datap, len, PCI_DMA_TODEVICE); ++ wmb(); ++ curr_desc->word0.bits32 = word0; ++ curr_desc->word1.bits32 = word1; ++ curr_desc->word2.bits32 = word2; ++ curr_desc->word3.bits32 = word3; ++ swtxq->curr_tx_desc = (GMAC_TXDESC_T *)curr_desc; ++// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_TODEVICE); ++#ifdef _DUMP_TX_TCP_CONTENT ++ if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139))) ++ { ++ int a; ++ char *datap; ++ printk("\t 0x%08x: ", (u32)pkt_datap); ++ datap = (char *)pkt_datap; ++ for (a=0; a<8 && a<len; a++, datap++) ++ { ++ printk("0x%02x ", *datap); ++ } ++ printk("\n"); ++ } ++#endif ++ free_desc--; ++ wmb(); ++ wptr = RWPTR_ADVANCE_ONE(wptr, swtxq->total_desc_num); ++ frag_id++; ++ snd_pages--; ++ } ++ ++ swtxq->total_sent++; ++ SET_WPTR(swtxq->rwptr_reg, wptr); ++ dev->trans_start = jiffies; ++ ++ ++ // printk("MAC %d Qid %d rwptr = 0x%x, curr_desc=0x%x\n", skb->tx_port_id, tx_qid, rwptr.bits32, curr_desc); ++//#ifdef GMAX_TX_INTR_DISABLED ++// toe_gmac_tx_complete(tp, tx_qid, dev, 0); ++//#endif ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_set_mac_address ++*----------------------------------------------------------------------*/ ++ ++static int gmac_set_mac_address(struct net_device *dev, void *addr) ++{ ++ GMAC_INFO_T *tp= dev->priv; ++ struct sockaddr *sock; ++ unsigned int reg_val; ++ unsigned int i; ++ ++ sock = (struct sockaddr *) addr; ++ for (i = 0; i < 6; i++) ++ { ++ dev->dev_addr[i] = sock->sa_data[i]; ++ } ++ ++ reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24); ++ gmac_write_reg(tp->base_addr,GMAC_STA_ADD0,reg_val,0xffffffff); ++ reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8); ++ gmac_write_reg(tp->base_addr,GMAC_STA_ADD1,reg_val,0x0000ffff); ++ memcpy(ð_mac[tp->port_id][0],&dev->dev_addr[0],6); ++ ++ printk("Storlink %s address = ",dev->name); ++ printk("%02x",dev->dev_addr[0]); ++ printk("%02x",dev->dev_addr[1]); ++ printk("%02x",dev->dev_addr[2]); ++ printk("%02x",dev->dev_addr[3]); ++ printk("%02x",dev->dev_addr[4]); ++ printk("%02x\n",dev->dev_addr[5]); ++ ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_get_mac_address ++* get mac address from FLASH ++*----------------------------------------------------------------------*/ ++static void gmac_get_mac_address(void) ++{ ++#ifdef CONFIG_MTD ++ extern int get_vlaninfo(vlaninfo* vlan); ++ static vlaninfo vlan[2]; ++ ++ if (get_vlaninfo(&vlan[0])) ++ { ++ memcpy((void *)ð_mac[0][0],vlan[0].mac,6); ++ // VLAN_conf[0].vid = vlan[0].vlanid; ++ // VLAN_conf[0].portmap = vlan[0].vlanmap; ++ memcpy((void *)ð_mac[1][0],vlan[1].mac,6); ++ // VLAN_conf[1].vid = vlan[1].vlanid; ++ // VLAN_conf[1].portmap = vlan[1].vlanmap; ++ } ++#else ++ unsigned int reg_val; ++ ++ reg_val = readl(IO_ADDRESS(TOE_GMAC0_BASE)+0xac); ++ eth_mac[0][4] = (reg_val & 0xff00) >> 8; ++ eth_mac[0][5] = reg_val & 0x00ff; ++ reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac); ++ eth_mac[1][4] = (reg_val & 0xff00) >> 8; ++ eth_mac[1][5] = reg_val & 0x00ff; ++#endif ++ return; ++} ++ ++ ++/*---------------------------------------------------------------------- ++* mac_stop_txdma ++*----------------------------------------------------------------------*/ ++void mac_stop_txdma(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ GMAC_TXDMA_FIRST_DESC_T txdma_busy; ++ ++ // wait idle ++ do ++ { ++ txdma_busy.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_DMA_TX_FIRST_DESC_REG); ++ } while (txdma_busy.bits.td_busy); ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.rd_enable = 0; ++ dma_ctrl.bits.td_enable = 0; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.rd_enable = 1; ++ dma_ctrl_mask.bits.td_enable = 1; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++} ++ ++/*---------------------------------------------------------------------- ++* mac_start_txdma ++*----------------------------------------------------------------------*/ ++void mac_start_txdma(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.rd_enable = 1; ++ dma_ctrl.bits.td_enable = 1; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.rd_enable = 1; ++ dma_ctrl_mask.bits.td_enable = 1; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++} ++ ++ ++/*---------------------------------------------------------------------- ++* gmac_get_stats ++*----------------------------------------------------------------------*/ ++ ++struct net_device_stats * gmac_get_stats(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ // unsigned int flags; ++ unsigned int pkt_drop; ++ unsigned int pkt_error; ++ ++ if (netif_running(dev)) ++ { ++ /* read H/W counter */ ++ // spin_lock_irqsave(&tp->lock,flags); ++ pkt_drop = gmac_read_reg(tp->base_addr,GMAC_IN_DISCARDS); ++ pkt_error = gmac_read_reg(tp->base_addr,GMAC_IN_ERRORS); ++ tp->ifStatics.rx_dropped = tp->ifStatics.rx_dropped + pkt_drop; ++ tp->ifStatics.rx_errors = tp->ifStatics.rx_errors + pkt_error; ++ // spin_unlock_irqrestore(&tp->lock,flags); ++ } ++ return &tp->ifStatics; ++} ++ ++ ++ ++/*---------------------------------------------------------------------- ++* mac_get_sw_tx_weight ++*----------------------------------------------------------------------*/ ++void mac_get_sw_tx_weight(struct net_device *dev, char *weight) ++{ ++ GMAC_TX_WCR1_T sw_weigh; ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++ sw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG); ++ ++ weight[0] = sw_weigh.bits.sw_tq0; ++ weight[1] = sw_weigh.bits.sw_tq1; ++ weight[2] = sw_weigh.bits.sw_tq2; ++ weight[3] = sw_weigh.bits.sw_tq3; ++ weight[4] = sw_weigh.bits.sw_tq4; ++ weight[5] = sw_weigh.bits.sw_tq5; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_sw_tx_weight ++*----------------------------------------------------------------------*/ ++void mac_set_sw_tx_weight(struct net_device *dev, char *weight) ++{ ++ GMAC_TX_WCR1_T sw_weigh; ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++ sw_weigh.bits32 = 0; ++ sw_weigh.bits.sw_tq0 = weight[0]; ++ sw_weigh.bits.sw_tq1 = weight[1]; ++ sw_weigh.bits.sw_tq2 = weight[2]; ++ sw_weigh.bits.sw_tq3 = weight[3]; ++ sw_weigh.bits.sw_tq4 = weight[4]; ++ sw_weigh.bits.sw_tq5 = weight[5]; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff); ++} ++ ++/*---------------------------------------------------------------------- ++* mac_get_hw_tx_weight ++*----------------------------------------------------------------------*/ ++void mac_get_hw_tx_weight(struct net_device *dev, char *weight) ++{ ++ GMAC_TX_WCR0_T hw_weigh; ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++ hw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG); ++ ++ weight[0] = hw_weigh.bits.hw_tq0; ++ weight[1] = hw_weigh.bits.hw_tq1; ++ weight[2] = hw_weigh.bits.hw_tq2; ++ weight[3] = hw_weigh.bits.hw_tq3; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_hw_tx_weight ++*----------------------------------------------------------------------*/ ++void mac_set_hw_tx_weight(struct net_device *dev, char *weight) ++{ ++ GMAC_TX_WCR0_T hw_weigh; ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++ hw_weigh.bits32 = 0; ++ hw_weigh.bits.hw_tq0 = weight[0]; ++ hw_weigh.bits.hw_tq1 = weight[1]; ++ hw_weigh.bits.hw_tq2 = weight[2]; ++ hw_weigh.bits.hw_tq3 = weight[3]; ++ ++ gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff); ++} ++ ++/*---------------------------------------------------------------------- ++* mac_start_tx_dma ++*----------------------------------------------------------------------*/ ++int mac_start_tx_dma(int mac) ++{ ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.td_enable = 1; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.td_enable = 1; ++ ++ if (mac == 0) ++ gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++ else ++ gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++ return 1; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_stop_tx_dma ++*----------------------------------------------------------------------*/ ++int mac_stop_tx_dma(int mac) ++{ ++ GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask; ++ ++ dma_ctrl.bits32 = 0; ++ dma_ctrl.bits.td_enable = 0; ++ ++ dma_ctrl_mask.bits32 = 0; ++ dma_ctrl_mask.bits.td_enable = 1; ++ ++ if (mac == 0) ++ gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++ else ++ gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32); ++ return 1; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_read_reg(int mac, unsigned int offset) ++*----------------------------------------------------------------------*/ ++unsigned int mac_read_reg(int mac, unsigned int offset) ++{ ++ switch (mac) ++ { ++ case 0: ++ return gmac_read_reg(TOE_GMAC0_BASE, offset); ++ case 1: ++ return gmac_read_reg(TOE_GMAC1_BASE, offset); ++ default: ++ return 0; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* mac_write_reg ++*----------------------------------------------------------------------*/ ++void mac_write_reg(int mac, unsigned int offset, unsigned data) ++{ ++ switch (mac) ++ { ++ case 0: ++ gmac_write_reg(GMAC0_BASE, offset, data, 0xffffffff); ++ break; ++ case 1: ++ gmac_write_reg(GMAC1_BASE, offset, data, 0xffffffff); ++ break; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* mac_read_dma_reg(int mac, unsigned int offset) ++*----------------------------------------------------------------------*/ ++u32 mac_read_dma_reg(int mac, unsigned int offset) ++{ ++ switch (mac) ++ { ++ case 0: ++ return gmac_read_reg(TOE_GMAC0_DMA_BASE, offset); ++ case 1: ++ return gmac_read_reg(TOE_GMAC1_DMA_BASE, offset); ++ default: ++ return 0; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* mac_write_dma_reg ++*----------------------------------------------------------------------*/ ++void mac_write_dma_reg(int mac, unsigned int offset, u32 data) ++{ ++ switch (mac) ++ { ++ case 0: ++ gmac_write_reg(TOE_GMAC0_DMA_BASE, offset, data, 0xffffffff); ++ break; ++ case 1: ++ gmac_write_reg(TOE_GMAC1_DMA_BASE, offset, data, 0xffffffff); ++ break; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* ether_crc ++*----------------------------------------------------------------------*/ ++static unsigned const ethernet_polynomial = 0x04c11db7U; ++static unsigned int ether_crc (int length, unsigned char *data) ++{ ++ int crc = -1; ++ unsigned int i; ++ unsigned int crc_val=0; ++ ++ while (--length >= 0) { ++ unsigned char current_octet = *data++; ++ int bit; ++ for (bit = 0; bit < 8; bit++, current_octet >>= 1) ++ crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ? ++ ethernet_polynomial : 0); ++ } ++ crc = ~crc; ++ for (i=0;i<32;i++) ++ { ++ crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i)); ++ } ++ return crc_val; ++} ++ ++ ++ ++/*---------------------------------------------------------------------- ++* mac_set_rx_mode ++*----------------------------------------------------------------------*/ ++void mac_set_rx_mode(int pid, unsigned int data) ++{ ++ unsigned int base; ++ ++ base = (pid == 0) ? GMAC0_BASE : GMAC1_BASE; ++ ++ gmac_write_reg(base, GMAC_RX_FLTR, data, 0x0000001f); ++ return; ++} ++ ++ ++/*---------------------------------------------------------------------- ++* gmac_open ++*----------------------------------------------------------------------*/ ++ ++static int gmac_open (struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ int retval; ++ TOE_INFO_T *toe; ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ /* hook ISR */ ++ retval = request_irq (dev->irq, toe_gmac_interrupt, IRQF_DISABLED, dev->name, dev); ++ if (retval) ++ return retval; ++ ++ toe_init_gmac(dev); ++ ++ if(!FLAG_SWITCH) ++ { ++ init_waitqueue_head (&tp->thr_wait); ++ init_completion(&tp->thr_exited); ++ ++ tp->time_to_die = 0; ++ tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES); ++ if (tp->thr_pid < 0) ++ { ++ printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name); ++ } ++ } ++ ++ tp->operation = 1; ++ ++ netif_start_queue (dev); ++ ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_close ++*----------------------------------------------------------------------*/ ++static int gmac_close(struct net_device *dev) ++{ ++ TOE_INFO_T *toe; ++// GMAC_RXDESC_T *sw_desc_ptr,*desc_ptr; ++// unsigned int buf_ptr; ++ GMAC_INFO_T *tp = dev->priv; ++ unsigned int ret; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ tp->operation = 0; ++ ++ netif_stop_queue(dev); ++ mdelay(20); ++ ++ /* stop tx/rx packet */ ++ toe_gmac_disable_tx_rx(dev); ++ mdelay(20); ++ ++ /* stop the chip's Tx and Rx DMA processes */ ++ toe_gmac_hw_stop(dev); ++ ++ toe_gmac_disable_interrupt(tp->irq); ++ ++ /* disable interrupts by clearing the interrupt mask */ ++ synchronize_irq(); ++ free_irq(dev->irq,dev); ++ ++// DMA_MFREE(sw_desc_ptr, (TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->sw_freeq_desc_base_dma); ++// DMA_MFREE(desc_ptr, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->hw_freeq_desc_base_dma); ++// DMA_MFREE(buf_ptr, TOE_HW_FREEQ_DESC_NUM) * HW_RX_BUF_SIZE),(dma_addr_t *)&toe->hwfq_buf_base_dma); ++// DMA_MFREE(toe->gmac[0].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma); ++// DMA_MFREE(toe->gmac[1].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma); ++// DMA_MFREE(toe->gmac[0].hwtxq_desc_base_dma , TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma); ++// DMA_MFREE(toe->gmac[1].hwtxq_desc_base_dma , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma); ++// DMA_MFREE(toe->gmac[0].default_desc_base_dma ,TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].default_desc_base_dma); ++// DMA_MFREE(toe->gmac[1].default_desc_base_dma , TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].default_desc_base_dma); ++// DMA_MFREE(toe->intr_desc_base_dma , TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->intr_desc_base_dma); ++// DMA_MFREE(toe->intr_buf_base_dma , TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T),(dma_addr_t *)&toe->intr_buf_base_dma); ++ ++ if(!FLAG_SWITCH) ++ { ++ if (tp->thr_pid >= 0) ++ { ++ tp->time_to_die = 1; ++ wmb(); ++ ret = kill_proc (tp->thr_pid, SIGTERM, 1); ++ if (ret) ++ { ++ printk (KERN_ERR "%s: unable to signal thread\n", dev->name); ++ return ret; ++ } ++// wait_for_completion (&tp->thr_exited); ++ } ++ } ++ ++ return (0); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_fill_free_q ++* allocate buffers for free queue. ++*----------------------------------------------------------------------*/ ++static inline void toe_gmac_fill_free_q(void) ++{ ++ struct sk_buff *skb; ++ volatile DMA_RWPTR_T fq_rwptr; ++ volatile GMAC_RXDESC_T *fq_desc; ++ unsigned long flags; ++ // unsigned short max_cnt=TOE_SW_FREEQ_DESC_NUM>>1; ++ ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ spin_lock_irqsave(&gmac_fq_lock, flags); ++ //while ((max_cnt--) && (unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, ++ // TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) { ++ while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, ++ TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) { ++ if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE)) == NULL) { ++ printk("%s::skb allocation fail!\n", __func__); ++ //while(1); ++ break; ++ } ++ REG32(skb->data) = (unsigned int)skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ // fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, ++ TOE_SW_FREEQ_DESC_NUM); ++ fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base+fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data); ++ SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32; ++ } ++ spin_unlock_irqrestore(&gmac_fq_lock, flags); ++} ++// EXPORT_SYMBOL(toe_gmac_fill_free_q); ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_interrupt ++*----------------------------------------------------------------------*/ ++static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance) ++{ ++ struct net_device *dev = (struct net_device *)dev_instance; ++ TOE_INFO_T *toe; ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ unsigned int status0; ++ unsigned int status1; ++ unsigned int status2; ++ unsigned int status3; ++ unsigned int status4; ++ ++// struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics; ++ toe = (TOE_INFO_T *)&toe_private_data; ++// handle NAPI ++#ifdef CONFIG_SL_NAPI ++if (storlink_ctl.pauseoff == 1) ++{ ++/* disable GMAC interrupt */ ++ //toe_gmac_disable_interrupt(tp->irq); ++ ++// isPtr->interrupts++; ++ /* read Interrupt status */ ++ status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG); ++ status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG); ++ status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG); ++ status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG); ++ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ // prompt warning if status bit ON but not enabled ++#if 0 ++ if (status0 & ~tp->intr0_enabled) ++ printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n", ++ status0, tp->intr0_enabled); ++ if (status1 & ~tp->intr1_enabled) ++ printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n", ++ status1, tp->intr1_enabled); ++ if (status2 & ~tp->intr2_enabled) ++ printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n", ++ status2, tp->intr2_enabled); ++ if (status3 & ~tp->intr3_enabled) ++ printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n", ++ status3, tp->intr3_enabled); ++ if (status4 & ~tp->intr4_enabled) ++ printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n", ++ status4, tp->intr4_enabled); ++#endif ++ ++ if (status0) ++ writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG); ++ if (status1) ++ writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG); ++ if (status2) ++ writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG); ++ if (status3) ++ writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG); ++ if (status4) ++ writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG); ++#if 0 ++ /* handle freeq interrupt first */ ++ if (status4 & tp->intr4_enabled) { ++ if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT)) ++ { ++ // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG, ++ // tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT); ++ ++ if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev)) ++ toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]); ++ if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev)) ++ toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]); ++ printk("\nfreeq int\n"); ++ toe_gmac_fill_free_q(); ++ tp->sw_fq_empty_cnt++; ++ ++ } ++ } ++#endif ++ // Interrupt Status 1 ++ if (status1 & tp->intr1_enabled) ++ { ++ #define G1_INTR0_BITS (GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT) ++ #define G0_INTR0_BITS (GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT) ++ // Handle GMAC 0/1 HW Tx queue 0-3 EOF events ++ // Only count ++ // TOE, Classification, and default queues interrupts are handled by ISR ++ // because they should pass packets to upper layer ++ if (tp->port_id == 0) ++ { ++ if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS)) ++ { ++ if (status1 & GMAC0_HWTQ03_EOF_INT_BIT) ++ tp->hwtxq[3].eof_cnt++; ++ if (status1 & GMAC0_HWTQ02_EOF_INT_BIT) ++ tp->hwtxq[2].eof_cnt++; ++ if (status1 & GMAC0_HWTQ01_EOF_INT_BIT) ++ tp->hwtxq[1].eof_cnt++; ++ if (status1 & GMAC0_HWTQ00_EOF_INT_BIT) ++ tp->hwtxq[0].eof_cnt++; ++ } ++ if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT)) ++ { ++ if (likely(netif_rx_schedule_prep(dev))) ++ { ++ unsigned int data32; ++ // disable GMAC-0 rx interrupt ++ // class-Q & TOE-Q are implemented in future ++ //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //data32 &= ~DEFAULT_Q0_INT_BIT; ++ //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //printk("\%s: DEFAULT_Q0_INT_BIT===================>>>>>>>>>>>>\n",__func__); ++ writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //tp->total_q_cnt_napi=0; ++ //rx_time = jiffies; ++ //rx_old_bytes = isPtr->rx_bytes; ++ __netif_rx_schedule(dev); ++ } ++ } ++ } ++ else if (tp->port_id == 1) ++ { ++ if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS)) ++ { ++ if (status1 & GMAC1_HWTQ13_EOF_INT_BIT) ++ tp->hwtxq[3].eof_cnt++; ++ if (status1 & GMAC1_HWTQ12_EOF_INT_BIT) ++ tp->hwtxq[2].eof_cnt++; ++ if (status1 & GMAC1_HWTQ11_EOF_INT_BIT) ++ tp->hwtxq[1].eof_cnt++; ++ if (status1 & GMAC1_HWTQ10_EOF_INT_BIT) ++ tp->hwtxq[0].eof_cnt++; ++ } ++ ++ if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT)) ++ { ++ if (likely(netif_rx_schedule_prep(dev))) ++ { ++ unsigned int data32; ++ // disable GMAC-0 rx interrupt ++ // class-Q & TOE-Q are implemented in future ++ //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //data32 &= ~DEFAULT_Q1_INT_BIT; ++ //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //printk("\%s: 1111111111--->DEFAULT_Q1_INT_BIT===================>>>>>>>>>>>>\n",__func__); ++ writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //tp->total_q_cnt_napi=0; ++ //rx_time = jiffies; ++ //rx_old_bytes = isPtr->rx_bytes; ++ __netif_rx_schedule(dev); ++ } ++ } ++ } ++ } ++ ++ // Interrupt Status 0 ++ if (status0 & tp->intr0_enabled) ++ { ++ #define ERR_INTR_BITS (GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | \ ++ GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | \ ++ GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | \ ++ GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT) ++ ++ if (status0 & ERR_INTR_BITS) ++ { ++ if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT)) ++ { ++ tp->txDerr_cnt[0]++; ++ printk("GMAC0 TX AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT)) ++ { ++ tp->txPerr_cnt[0]++; ++ printk("GMAC0 Tx Descriptor Protocol Error!\n"); ++ } ++ if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT)) ++ { ++ tp->txDerr_cnt[1]++; ++ printk("GMAC1 Tx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT)) ++ { ++ tp->txPerr_cnt[1]++; ++ printk("GMAC1 Tx Descriptor Protocol Error!\n"); ++ } ++ ++ if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT)) ++ { ++ tp->RxDerr_cnt[0]++; ++ printk("GMAC0 Rx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT)) ++ { ++ tp->RxPerr_cnt[0]++; ++ printk("GMAC0 Rx Descriptor Protocol Error!\n"); ++ } ++ if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT)) ++ { ++ tp->RxDerr_cnt[1]++; ++ printk("GMAC1 Rx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT)) ++ { ++ tp->RxPerr_cnt[1]++; ++ printk("GMAC1 Rx Descriptor Protocol Error!\n"); ++ } ++ } ++ ++#ifndef GMAX_TX_INTR_DISABLED ++ if (tp->port_id == 1 && netif_running(dev) && ++ (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) ++ { ++ toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1); ++ } ++ ++ if (tp->port_id == 0 && netif_running(dev) && ++ (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) ++ { ++ toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1); ++ } ++#endif ++ } ++ // Interrupt Status 4 ++ if (status4 & tp->intr4_enabled) ++ { ++ #define G1_INTR4_BITS (0xff000000) ++ #define G0_INTR4_BITS (0x00ff0000) ++ ++ if (tp->port_id == 0) ++ { ++ if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS)) ++ { ++ if (status4 & GMAC0_RESERVED_INT_BIT) ++ printk("GMAC0_RESERVED_INT_BIT is ON\n"); ++ if (status4 & GMAC0_MIB_INT_BIT) ++ tp->mib_full_cnt++; ++ if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT) ++ tp->rx_pause_on_cnt++; ++ if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT) ++ tp->tx_pause_on_cnt++; ++ if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT) ++ tp->rx_pause_off_cnt++; ++ if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT) ++ tp->rx_pause_off_cnt++; ++ if (status4 & GMAC0_RX_OVERRUN_INT_BIT) ++ tp->rx_overrun_cnt++; ++ if (status4 & GMAC0_STATUS_CHANGE_INT_BIT) ++ tp->status_changed_cnt++; ++ } ++ } ++ else if (tp->port_id == 1) ++ { ++ if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS)) ++ { ++ if (status4 & GMAC1_RESERVED_INT_BIT) ++ printk("GMAC1_RESERVED_INT_BIT is ON\n"); ++ if (status4 & GMAC1_MIB_INT_BIT) ++ tp->mib_full_cnt++; ++ if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT) ++ { ++ printk("Gmac pause on\n"); ++ tp->rx_pause_on_cnt++; ++ } ++ if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT) ++ { ++ printk("Gmac pause on\n"); ++ tp->tx_pause_on_cnt++; ++ } ++ if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT) ++ { ++ printk("Gmac pause off\n"); ++ tp->rx_pause_off_cnt++; ++ } ++ if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT) ++ { ++ printk("Gmac pause off\n"); ++ tp->rx_pause_off_cnt++; ++ } ++ if (status4 & GMAC1_RX_OVERRUN_INT_BIT) ++ { ++ //printk("Gmac Rx Overrun \n"); ++ tp->rx_overrun_cnt++; ++ } ++ if (status4 & GMAC1_STATUS_CHANGE_INT_BIT) ++ tp->status_changed_cnt++; ++ } ++ } ++ } ++ ++ //toe_gmac_enable_interrupt(tp->irq); ++#ifdef IxscriptMate_1518 ++ if (storlink_ctl.pauseoff == 1) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++#endif ++// enable_irq(gmac_irq[dev_index]); ++ //printk("gmac_interrupt complete!\n\n"); ++// return IRQ_RETVAL(handled); ++ return IRQ_RETVAL(1); ++} ++else ++{ ++#endif //endif NAPI ++ ++ ++ /* disable GMAC interrupt */ ++ toe_gmac_disable_interrupt(tp->irq); ++ ++// isPtr->interrupts++; ++ /* read Interrupt status */ ++ status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG); ++ status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG); ++ status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG); ++ status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG); ++ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ // prompt warning if status bit ON but not enabled ++#if 0 ++ if (status0 & ~tp->intr0_enabled) ++ printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n", ++ status0, tp->intr0_enabled); ++ if (status1 & ~tp->intr1_enabled) ++ printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n", ++ status1, tp->intr1_enabled); ++ if (status2 & ~tp->intr2_enabled) ++ printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n", ++ status2, tp->intr2_enabled); ++ if (status3 & ~tp->intr3_enabled) ++ printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n", ++ status3, tp->intr3_enabled); ++ if (status4 & ~tp->intr4_enabled) ++ printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n", ++ status4, tp->intr4_enabled); ++#endif ++#define INTERRUPT_SELECT 1 ++ if (status0) ++ writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG); ++ if (status1) ++ writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG); ++ if (status2) ++ writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG); ++ if (status3) ++ writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG); ++ if (status4) ++ writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++ /* handle freeq interrupt first */ ++ if (status4 & tp->intr4_enabled) { ++ if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT)) ++ { ++ // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG, ++ // tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT); ++ ++ //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, ++ // SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT); ++ if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev)) ++ toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]); ++ if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev)) ++ toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]); ++ printk("\nfreeq int\n"); ++ toe_gmac_fill_free_q(); ++ tp->sw_fq_empty_cnt++; ++ ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4, ++ SWFQ_EMPTY_INT_BIT); ++ } ++ } ++ ++ // Interrupt Status 1 ++ if (status1 & tp->intr1_enabled) ++ { ++ #define G1_INTR0_BITS (GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT) ++ #define G0_INTR0_BITS (GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT) ++ // Handle GMAC 0/1 HW Tx queue 0-3 EOF events ++ // Only count ++ // TOE, Classification, and default queues interrupts are handled by ISR ++ // because they should pass packets to upper layer ++ if (tp->port_id == 0) ++ { ++#ifndef INTERRUPT_SELECT ++ if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS)) ++ { ++ if (status1 & GMAC0_HWTQ03_EOF_INT_BIT) ++ tp->hwtxq[3].eof_cnt++; ++ if (status1 & GMAC0_HWTQ02_EOF_INT_BIT) ++ tp->hwtxq[2].eof_cnt++; ++ if (status1 & GMAC0_HWTQ01_EOF_INT_BIT) ++ tp->hwtxq[1].eof_cnt++; ++ if (status1 & GMAC0_HWTQ00_EOF_INT_BIT) ++ tp->hwtxq[0].eof_cnt++; ++#endif //INTERRUPT_SELECT ++#ifndef INTERRUPT_SELECT ++ } ++#endif //INTERRUPT_SELECT ++ if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT)) ++ { ++ tp->default_q_intr_cnt++; ++ toe_gmac_handle_default_rxq(dev, tp); ++ } ++#ifdef CONFIG_SL351x_RXTOE ++ if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) && ++ (tp->intr1_enabled & TOE_IQ_ALL_BITS)) { ++ //printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected); ++ toe_gmac_handle_toeq(dev, tp, status1); ++ //toe_gmac_handle_toeq(dev, toe, tp, status1); ++ } ++#endif ++ } ++ else if (tp->port_id == 1) ++ { ++#ifndef INTERRUPT_SELECT ++ if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS)) ++ { ++ if (status1 & GMAC1_HWTQ13_EOF_INT_BIT) ++ tp->hwtxq[3].eof_cnt++; ++ if (status1 & GMAC1_HWTQ12_EOF_INT_BIT) ++ tp->hwtxq[2].eof_cnt++; ++ if (status1 & GMAC1_HWTQ11_EOF_INT_BIT) ++ tp->hwtxq[1].eof_cnt++; ++ if (status1 & GMAC1_HWTQ10_EOF_INT_BIT) ++ tp->hwtxq[0].eof_cnt++; ++#endif //INTERRUPT_SELECT ++#ifndef INTERRUPT_SELECT ++ } ++#endif //INTERRUPT_SELECT ++ if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT)) ++ { ++ tp->default_q_intr_cnt++; ++ toe_gmac_handle_default_rxq(dev, tp); ++ } ++#ifdef CONFIG_SL351x_RXTOE ++ if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) && ++ (tp->intr1_enabled & TOE_IQ_ALL_BITS)) { ++ //printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected); ++ toe_gmac_handle_toeq(dev, tp, status1); ++ //toe_gmac_handle_toeq(dev, toe, tp, status1); ++ } ++#endif ++ } ++ } ++ ++ ++ // Interrupt Status 0 ++ if (status0 & tp->intr0_enabled) ++ { ++ ++ #define ERR_INTR_BITS (GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | \ ++ GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | \ ++ GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | \ ++ GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT) ++#ifndef INTERRUPT_SELECT ++ if (status0 & ERR_INTR_BITS) ++ { ++ if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT)) ++ { ++ tp->txDerr_cnt[0]++; ++ printk("GMAC0 TX AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT)) ++ { ++ tp->txPerr_cnt[0]++; ++ printk("GMAC0 Tx Descriptor Protocol Error!\n"); ++ } ++ if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT)) ++ { ++ tp->txDerr_cnt[1]++; ++ printk("GMAC1 Tx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT)) ++ { ++ tp->txPerr_cnt[1]++; ++ printk("GMAC1 Tx Descriptor Protocol Error!\n"); ++ } ++ ++ if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT)) ++ { ++ tp->RxDerr_cnt[0]++; ++ printk("GMAC0 Rx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT)) ++ { ++ tp->RxPerr_cnt[0]++; ++ printk("GMAC0 Rx Descriptor Protocol Error!\n"); ++ } ++ if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT)) ++ { ++ tp->RxDerr_cnt[1]++; ++ printk("GMAC1 Rx AHB Bus Error!\n"); ++ } ++ if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT)) ++ { ++ tp->RxPerr_cnt[1]++; ++ printk("GMAC1 Rx Descriptor Protocol Error!\n"); ++ } ++ } ++#endif //INTERRUPT_SELECT ++#ifndef GMAX_TX_INTR_DISABLED ++ if (tp->port_id == 1 && netif_running(dev) && ++ (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) ++ { ++ toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1); ++ } ++ ++ if (tp->port_id == 0 && netif_running(dev) && ++ (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) ++ { ++ toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1); ++ } ++#endif ++ // clear enabled status bits ++ } ++ // Interrupt Status 4 ++#ifndef INTERRUPT_SELECT ++ if (status4 & tp->intr4_enabled) ++ { ++ #define G1_INTR4_BITS (0xff000000) ++ #define G0_INTR4_BITS (0x00ff0000) ++ ++ if (tp->port_id == 0) ++ { ++ if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS)) ++ { ++ if (status4 & GMAC0_RESERVED_INT_BIT) ++ printk("GMAC0_RESERVED_INT_BIT is ON\n"); ++ if (status4 & GMAC0_MIB_INT_BIT) ++ tp->mib_full_cnt++; ++ if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT) ++ tp->rx_pause_on_cnt++; ++ if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT) ++ tp->tx_pause_on_cnt++; ++ if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT) ++ tp->rx_pause_off_cnt++; ++ if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT) ++ tp->rx_pause_off_cnt++; ++ if (status4 & GMAC0_RX_OVERRUN_INT_BIT) ++ tp->rx_overrun_cnt++; ++ if (status4 & GMAC0_STATUS_CHANGE_INT_BIT) ++ tp->status_changed_cnt++; ++ } ++ } ++ else if (tp->port_id == 1) ++ { ++ if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS)) ++ { ++ if (status4 & GMAC1_RESERVED_INT_BIT) ++ printk("GMAC1_RESERVED_INT_BIT is ON\n"); ++ if (status4 & GMAC1_MIB_INT_BIT) ++ tp->mib_full_cnt++; ++ if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT) ++ { ++ //printk("Gmac pause on\n"); ++ tp->rx_pause_on_cnt++; ++ } ++ if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT) ++ { ++ //printk("Gmac pause on\n"); ++ tp->tx_pause_on_cnt++; ++ } ++ if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT) ++ { ++ //printk("Gmac pause off\n"); ++ tp->rx_pause_off_cnt++; ++ } ++ if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT) ++ { ++ //printk("Gmac pause off\n"); ++ tp->rx_pause_off_cnt++; ++ } ++ if (status4 & GMAC1_RX_OVERRUN_INT_BIT) ++ { ++ //printk("Gmac Rx Overrun \n"); ++ tp->rx_overrun_cnt++; ++ } ++ if (status4 & GMAC1_STATUS_CHANGE_INT_BIT) ++ tp->status_changed_cnt++; ++ } ++ } ++#if 0 ++ if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT)) ++ { ++ // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++// mac_stop_rxdma(tp->sc); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG, ++ tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT); ++ ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, ++ SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT); ++ toe_gmac_fill_free_q(); ++ tp->sw_fq_empty_cnt++; ++ ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4, ++ SWFQ_EMPTY_INT_BIT); ++//#if 0 ++/* if (netif_running(dev)) ++ toe_gmac_handle_default_rxq(dev, tp); ++ printk("SWFQ_EMPTY_INT_BIT is ON!\n"); // should not be happened */ ++//#endif ++ } ++#endif ++ } ++#endif //INTERRUPT_SELECT ++ toe_gmac_enable_interrupt(tp->irq); ++//enable gmac rx function when do RFC 2544 ++#ifdef IxscriptMate_1518 ++ if (storlink_ctl.pauseoff == 1) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++#endif ++ //printk("gmac_interrupt complete!\n\n"); ++// return IRQ_RETVAL(handled); ++ return IRQ_RETVAL(1); ++#ifdef CONFIG_SL_NAPI ++} ++#endif ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_handle_default_rxq ++* (1) Get rx Buffer for default Rx queue ++* (2) notify or call upper-routine to handle it ++* (3) get a new buffer and insert it into SW free queue ++* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing ++*----------------------------------------------------------------------*/ ++//static inline void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp) ++static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp) ++{ ++ TOE_INFO_T *toe; ++ GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *skb; ++ DMA_RWPTR_T rwptr; ++ unsigned int pkt_size; ++ int max_cnt; ++ unsigned int desc_count; ++ unsigned int good_frame, chksum_status, rx_status; ++ struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics; ++ ++//when do ixia RFC 2544 test and packet size is select 1518 bytes,disable gmace rx function immediately after one interrupt come in. ++#ifdef IxscriptMate_1518 ++ if (storlink_ctl.pauseoff == 1) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++#endif ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); ++#if 0 ++ if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr) ++ { ++ mac_stop_txdma((struct net_device *)tp->dev); ++ printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n", ++ rwptr.bits32, tp->rx_rwptr.bits.rptr); ++ while(1); ++ } ++#endif ++ toe = (TOE_INFO_T *)&toe_private_data; ++ max_cnt = DEFAULT_RXQ_MAX_CNT; ++ while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) ++// while (rwptr.bits.rptr != rwptr.bits.wptr) ++ { ++//if packet size is not 1518 for RFC 2544,enable gmac rx function.The other packet size have RX workaround. ++#ifdef IxscriptMate_1518 ++ if (storlink_ctl.pauseoff == 1) ++ { ++ if (pkt_size != 1514) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++ } ++#endif ++ curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr; ++// consistent_sync(curr_desc, sizeof(GMAC_RXDESC_T), PCI_DMA_FROMDEVICE); ++ tp->default_q_cnt++; ++ tp->rx_curr_desc = (unsigned int)curr_desc; ++ rx_status = curr_desc->word0.bits.status; ++ chksum_status = curr_desc->word0.bits.chksum_status; ++ tp->rx_status_cnt[rx_status]++; ++ tp->rx_chksum_cnt[chksum_status]++; ++ pkt_size = curr_desc->word1.bits.byte_count; /*total byte count in a frame*/ ++ desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */ ++ good_frame=1; ++ if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr)) ++ || (pkt_size < 60) ++ || (chksum_status & 0x4) ++ || rx_status) ++ { ++ good_frame = 0; ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr) ++ printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id); ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr) ++ printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id); ++ if (rx_status) ++ { ++ if (rx_status == 4 || rx_status == 7) ++ isPtr->rx_crc_errors++; ++// printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id); ++ } ++#ifdef SL351x_GMAC_WORKAROUND ++ else if (pkt_size < 60) ++ { ++ if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD) ++ tp->short_frames_cnt++; ++ if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++ } ++#endif ++// if (chksum_status) ++// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id); ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ dev_kfree_skb_irq(skb); ++ } ++ if (good_frame) ++ { ++ if (curr_desc->word0.bits.drop) ++ printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id); ++// if (chksum_status) ++// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id); ++ ++ /* get frame information from the first descriptor of the frame */ ++#ifdef SL351x_GMAC_WORKAROUND ++ if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++ tp->short_frames_cnt = 0; ++#endif ++ isPtr->rx_packets++; ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr - SKB_RESERVE_BYTES))); ++ if (!skb) ++ { ++ printk("Fatal Error!!skb==NULL\n"); ++ goto next_rx; ++ } ++ tp->curr_rx_skb = skb; ++ // consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE); ++ ++ // curr_desc->word2.buf_adr = 0; ++ ++ skb_reserve (skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */ ++ skb_put(skb, pkt_size); ++ skb->dev = dev; ++ if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK) ++ { ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++#ifdef CONFIG_SL351x_NAT ++ if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset) ++ { ++ struct iphdr *ip_hdr; ++ ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]); ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++#endif ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++#if 0 ++#ifdef CONFIG_SL351x_RXTOE ++ if (storlink_ctl.rx_max_pktsize) { ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ int ip_hdrlen; ++ ++ ip_hdr = (struct iphdr*)&(skb->data[0]); ++ if ((skb->protocol == __constant_htons(ETH_P_IP)) && ++ ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) { ++ ip_hdrlen = ip_hdr->ihl << 2; ++ tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]); ++ if (tcp_hdr->syn) { ++ struct toe_conn* connection = init_toeq(ip_hdr->version, ++ ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14); ++ TCP_SKB_CB(skb)->connection = connection; ++ // hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index); ++ // printk("%s::skb data %x, conn %x, mode %x\n", ++ // __func__, skb->data, connection, connection->mode); ++ } ++ } ++ } ++#endif ++#endif ++ } ++ else if (chksum_status == RX_CHKSUM_IP_OK_ONLY) ++ { ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++#ifdef CONFIG_SL351x_NAT ++ if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset) ++ { ++ struct iphdr *ip_hdr; ++ //struct tcphdr *tcp_hdr; ++ ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]); ++ //tcp_hdr = (struct tcphdr *)&(skb->data[curr_desc->word3.bits.l4_offset]); ++ if (ip_hdr->protocol == IPPROTO_UDP) ++ { ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++ else if (ip_hdr->protocol == IPPROTO_GRE) ++ { ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++ } ++#endif ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++ } ++ else ++ { ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++ } ++ ++ netif_rx(skb); /* socket rx */ ++ dev->last_rx = jiffies; ++ ++ isPtr->rx_bytes += pkt_size; ++ ++ } ++ ++next_rx: ++ // advance one for Rx default Q 0/1 ++ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num); ++ SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr); ++ tp->rx_rwptr.bits32 = rwptr.bits32; ++ ++ toe_gmac_fill_free_q(); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_get_phy_vendor ++*----------------------------------------------------------------------*/ ++static unsigned int gmac_get_phy_vendor(int phy_addr) ++{ ++ unsigned int reg_val; ++ reg_val=(mii_read(phy_addr,0x02) << 16) + mii_read(phy_addr,0x03); ++ return reg_val; ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_set_phy_status ++*----------------------------------------------------------------------*/ ++void gmac_set_phy_status(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_STATUS_T status; ++ unsigned int reg_val, ability,wan_port_id; ++ unsigned int i = 0; ++ ++#ifdef VITESSE_G5SWITCH ++ if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1)){ ++#if 0 ++ rcv_mask = SPI_read(2,0,0x10); // Receive mask ++ rcv_mask |= 0x4F; ++ for(i=0;i<4;i++){ ++ reg_val = BIT(26)|(i<<21)|(10<<16); ++ SPI_write(3,0,1,reg_val); ++ msleep(10); ++ reg_val = SPI_read(3,0,2); ++ if(reg_val & 0x0c00){ ++ printk("Port%d:Giga mode\n",i); ++ SPI_write(1,i,0x00,0x300701B1); ++ SPI_write(1,i,0x00,0x10070181); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_1000; ++ } ++ else{ ++ reg_val = BIT(26)|(i<<21)|(5<<16); ++ SPI_write(3,0,1,reg_val); ++ msleep(10); ++ ability = (reg_val = SPI_read(3,0,2)&0x5e0) >>5; ++ if ((ability & 0x0C)) /* 100M full duplex */ ++ { ++ SPI_write(1,i,0x00,0x30050472); ++ SPI_write(1,i,0x00,0x10050442); ++ printk("Port%d:100M\n",i); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_100; ++ } ++ else if((ability & 0x03)) /* 10M full duplex */ ++ { ++ SPI_write(1,i,0x00,0x30050473); ++ SPI_write(1,i,0x00,0x10050443); ++ printk("Port%d:10M\n",i); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_10; ++ } ++ else{ ++ SPI_write(1,i,0x00,BIT(16)); // disable RX ++ SPI_write(5,0,0x0E,BIT(i)); // dicard packet ++ while((SPI_read(5,0,0x0C)&BIT(i))==0) // wait to be empty ++ msleep(1); ++ ++ SPI_write(1,i,0x00,0x20000030); // PORT_RST ++ switch_pre_link[i]=LINK_DOWN; ++ switch_pre_speed[i]=GMAC_SPEED_10; ++ rcv_mask &= ~BIT(i); ++ SPI_write(2,0,0x10,rcv_mask); // Disable Receive ++ } ++ } ++ } ++#endif ++ gmac_get_switch_status(dev); ++ gmac_write_reg(tp->base_addr, GMAC_STATUS, 0x7d, 0x0000007f); ++// SPI_write(2,0,0x10,rcv_mask); // Enable Receive ++ return ; ++ } ++#endif ++ ++ reg_val = gmac_get_phy_vendor(tp->phy_addr); ++ printk("GMAC-%d Addr %d Vendor ID: 0x%08x\n", tp->port_id, tp->phy_addr, reg_val); ++ ++ switch (tp->phy_mode) ++ { ++ case GMAC_PHY_GMII: ++ mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++ #ifdef CONFIG_SL3516_ASIC ++ mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */ ++ #else ++ mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */ ++ #endif ++ break; ++ case GMAC_PHY_RGMII_100: ++ mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++ mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */ ++ break; ++ case GMAC_PHY_RGMII_1000: ++ mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++ #ifdef CONFIG_SL3516_ASIC ++ mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */ ++ #else ++ mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */ ++ #endif ++ break; ++ case GMAC_PHY_MII: ++ default: ++ mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */ ++ mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */ ++ break; ++ } ++ ++ mii_write(tp->phy_addr,0x18,0x0041); // Phy active led ++ if (tp->auto_nego_cfg) ++ { ++ reg_val = 0x1200 | (1 << 15); ++ mii_write(tp->phy_addr,0x00,reg_val); /* Enable and Restart Auto-Negotiation */ ++ mdelay(500); ++ reg_val &= ~(1 << 15); ++ mii_write(tp->phy_addr, 0x00, reg_val); ++ } ++ else ++ { ++ reg_val = 0; ++ reg_val |= (tp->full_duplex_cfg) ? (1 << 8) : 0; ++ reg_val |= (tp->speed_cfg == GMAC_SPEED_1000) ? (1 << 6) : 0; ++ reg_val |= (tp->speed_cfg == GMAC_SPEED_100) ? (1 << 13) : 0; ++ mii_write(tp->phy_addr, 0x00, reg_val); ++ mdelay(100); ++ ++ reg_val |= (1 << 15); // Reset PHY; ++ mii_write(tp->phy_addr, 0x00, reg_val); ++ } ++ ++ status.bits32 = 0; ++ /* set PHY operation mode */ ++ status.bits.mii_rmii = tp->phy_mode; ++ status.bits.reserved = 1; ++ mdelay(100); ++ while (((reg_val=mii_read(tp->phy_addr,0x01)) & 0x00000004)!=0x04) ++ { ++ msleep(100); ++ i++; ++ if (i > 30) ++ break; ++ } ++ if (i>30) ++ { ++ tp->pre_phy_status = LINK_DOWN; ++ status.bits.link = LINK_DOWN; ++ // clear_bit(__LINK_STATE_START, &dev->state); ++ printk("Link Down (0x%04x) ", reg_val); ++ if(Giga_switch == 1) ++ { ++ wan_port_id = 1; ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ wan_port_id] = 0; ++#endif ++ } ++ else ++ { ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ tp->port_id] = 0; ++#endif ++ } ++ } ++ else ++ { ++ tp->pre_phy_status = LINK_UP; ++ status.bits.link = LINK_UP; ++ // set_bit(__LINK_STATE_START, &dev->state); ++ printk("Link Up (0x%04x) ",reg_val); ++ if(Giga_switch == 1) ++ { ++ wan_port_id = 1; ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ wan_port_id] = 1; ++#endif ++ } ++ else ++ { ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ tp->port_id] = 1; ++#endif ++ } ++ } ++ // value = mii_read(PHY_ADDR,0x05); ++ ++ ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5; ++ ++ //#ifdef CONFIG_SL3516_ASIC ++ reg_val = mii_read(tp->phy_addr,10); ++ printk("MII REG 10 = 0x%x\n",reg_val); ++ ++ if ((reg_val & 0x0800) == 0x0800) ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 2; ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_100) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; ++ ++ printk(" 1000M/Full \n"); ++ } ++ else if ((reg_val & 0x0400) == 0x0400) ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 2; ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_100) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; ++ ++ printk(" 1000M/Half \n"); ++ } ++ //#endif ++ else ++ { ++ #ifdef CONFIG_SL3516_ASIC ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_100; ++ #endif ++ printk("MII REG 5 (bit 5:15) = 0x%x\n", ability); ++ if ((ability & 0x08)==0x08) /* 100M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 1; ++ printk(" 100M/Full\n"); ++ ++ } ++ else if ((ability & 0x04)==0x04) /* 100M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 1; ++ printk(" 100M/Half\n"); ++ ++ } ++ else if ((ability & 0x02)==0x02) /* 10M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 0; ++ printk(" 10M/Full\n"); ++ ++ } ++ else if ((ability & 0x01)==0x01) /* 10M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 0; ++ printk(" 10M/Half\n"); ++ ++ } ++ } ++ if ((ability & 0x20)==0x20) ++ { ++ tp->flow_control_enable = 1; ++ printk("Flow Control Enable.\n"); ++ } ++ else ++ { ++ tp->flow_control_enable = 0; ++ printk("Flow Control Disable.\n"); ++ } ++ tp->full_duplex_status = status.bits.duplex; ++ tp->speed_status = status.bits.speed; ++ if (!tp->auto_nego_cfg) ++ { ++ status.bits.duplex = tp->full_duplex_cfg; ++ status.bits.speed = tp->speed_cfg; ++ } ++ toe_gmac_disable_tx_rx(dev); ++ mdelay(10); ++ gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f); ++ toe_gmac_enable_tx_rx(dev); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_phy_thread ++*----------------------------------------------------------------------*/ ++static int gmac_phy_thread (void *data) ++{ ++ struct net_device *dev = data; ++ GMAC_INFO_T *tp = dev->priv; ++ unsigned long timeout; ++ ++ daemonize("%s", dev->name); ++ allow_signal(SIGTERM); ++// reparent_to_init(); ++// spin_lock_irq(¤t->sigmask_lock); ++// sigemptyset(¤t->blocked); ++// recalc_sigpending(current); ++// spin_unlock_irq(¤t->sigmask_lock); ++// strncpy (current->comm, dev->name, sizeof(current->comm) - 1); ++// current->comm[sizeof(current->comm) - 1] = '\0'; ++ ++ while (1) ++ { ++ timeout = next_tick; ++ do ++ { ++ timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout); ++ } while (!signal_pending (current) && (timeout > 0)); ++ ++ if (signal_pending (current)) ++ { ++// spin_lock_irq(¤t->sigmask_lock); ++ flush_signals(current); ++// spin_unlock_irq(¤t->sigmask_lock); ++ } ++ ++ if (tp->time_to_die) ++ break; ++ ++ // printk("%s : Polling MAC %d PHY Status...\n",__func__, tp->port_id); ++ rtnl_lock (); ++ if (tp->auto_nego_cfg){ ++#ifdef VITESSE_G5SWITCH ++ if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1)) ++ gmac_get_switch_status(dev); ++ else ++#endif ++ gmac_get_phy_status(dev); //temp remove ++ } ++ rtnl_unlock (); ++ } ++ complete_and_exit (&tp->thr_exited, 0); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_get_switch_status ++*----------------------------------------------------------------------*/ ++#ifdef VITESSE_G5SWITCH ++void gmac_get_switch_status(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ unsigned int switch_port_id; ++ int get_link=0; ++ ++ get_link = Get_Set_port_status(); ++ if(get_link){ // link ++ if(ever_dwon){ ++ ever_dwon = 0; ++ toe_gmac_enable_tx_rx(dev); ++ netif_wake_queue(dev); ++ set_bit(__LINK_STATE_START, &dev->state); ++ } ++ } ++ else{ // all down ++ //printk("All link down\n"); ++ ever_dwon=1; ++ netif_stop_queue(dev); ++ toe_gmac_disable_tx_rx(dev); ++ clear_bit(__LINK_STATE_START, &dev->state); ++ } ++ ++ if ( tp->port_id == 1 ) ++ switch_port_id = 0; ++#ifdef CONFIG_SL351x_SYSCTL ++ if (get_link) ++ { ++ storlink_ctl.link[switch_port_id] = 1; ++ } ++ else ++ { ++ storlink_ctl.link[switch_port_id] = 0; ++ } ++ if (storlink_ctl.pauseoff == 1) ++ { ++ if (tp->flow_control_enable == 1) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++ printk("Disable SWITCH Flow Control...\n"); ++ } ++ tp->flow_control_enable = 0; ++ } ++ else ++#endif ++ { ++ if (tp->flow_control_enable == 0) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++ printk("Enable SWITCH Flow Control...\n"); ++ } ++ tp->flow_control_enable = 1; ++ } ++ return ; ++ ++} ++#endif ++ ++/*---------------------------------------------------------------------- ++* gmac_get_phy_status ++*----------------------------------------------------------------------*/ ++void gmac_get_phy_status(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = dev->priv; ++ GMAC_CONFIG0_T config0,config0_mask; ++ GMAC_STATUS_T status, old_status; ++ unsigned int reg_val,ability,wan_port_id; ++ ++ old_status.bits32 = status.bits32 = gmac_read_reg(tp->base_addr, GMAC_STATUS); ++ ++ ++ /* read PHY status register */ ++ reg_val = mii_read(tp->phy_addr,0x01); ++ if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */ ++ { ++ ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5; ++ /* read PHY Auto-Negotiation Link Partner Ability Register */ ++ #ifdef CONFIG_SL3516_ASIC ++ reg_val = mii_read(tp->phy_addr,10); ++ if ((reg_val & 0x0800) == 0x0800) ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 2; ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_100) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; ++ } ++ else if ((reg_val & 0x0400) == 0x0400) ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 2; ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_100) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; ++ } ++ else ++ #endif ++ { ++ #ifdef CONFIG_SL3516_ASIC ++ if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_100; ++ #endif ++ if ((ability & 0x08)==0x08) /* 100M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 1; ++ } ++ else if ((ability & 0x04)==0x04) /* 100M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 1; ++ } ++ else if ((ability & 0x02)==0x02) /* 10M full duplex */ ++ { ++ status.bits.duplex = 1; ++ status.bits.speed = 0; ++ } ++ else if ((ability & 0x01)==0x01) /* 10M half duplex */ ++ { ++ status.bits.duplex = 0; ++ status.bits.speed = 0; ++ } ++ } ++ status.bits.link = LINK_UP; /* link up */ ++ if(Giga_switch==1) ++ { ++ wan_port_id = 1; ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ wan_port_id] = 1; ++ } ++ else ++ { ++ storlink_ctl.link[ tp->port_id] = 1; ++#endif ++ } ++ if ((ability & 0x20)==0x20) ++ { ++ if (tp->flow_control_enable == 0) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++ printk("GMAC-%d Flow Control Enable.\n", tp->port_id); ++ } ++ tp->flow_control_enable = 1; ++ } ++ else ++ { ++ if (tp->flow_control_enable == 1) ++ { ++ config0.bits32 = 0; ++ config0_mask.bits32 = 0; ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ config0_mask.bits.tx_fc_en = 1; ++ config0_mask.bits.rx_fc_en = 1; ++ gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32); ++ printk("GMAC-%d Flow Control Disable.\n", tp->port_id); ++ } ++ tp->flow_control_enable = 0; ++ } ++ ++ if (tp->pre_phy_status == LINK_DOWN) ++ { ++ printk("GMAC-%d LINK_UP......\n",tp->port_id); ++ tp->pre_phy_status = LINK_UP; ++ } ++ } ++ else ++ { ++ status.bits.link = LINK_DOWN; /* link down */ ++ if(Giga_switch == 1) ++ { ++ wan_port_id = 1; ++#ifdef CONFIG_SL351x_SYSCTL ++ storlink_ctl.link[ wan_port_id] = 0; ++ } ++ else ++ { ++ storlink_ctl.link[ tp->port_id] = 0; ++#endif ++ } ++ if (tp->pre_phy_status == LINK_UP) ++ { ++ printk("GMAC-%d LINK_Down......\n",tp->port_id); ++ tp->pre_phy_status = LINK_DOWN; ++ } ++ } ++ ++ tp->full_duplex_status = status.bits.duplex; ++ tp->speed_status = status.bits.speed; ++ if (!tp->auto_nego_cfg) ++ { ++ status.bits.duplex = tp->full_duplex_cfg; ++ status.bits.speed = tp->speed_cfg; ++ } ++ ++ if (old_status.bits32 != status.bits32) ++ { ++ netif_stop_queue(dev); ++ toe_gmac_disable_tx_rx(dev); ++ clear_bit(__LINK_STATE_START, &dev->state); ++ printk("GMAC-%d Change Status Bits 0x%x-->0x%x\n",tp->port_id, old_status.bits32, status.bits32); ++ mdelay(10); // let GMAC consume packet ++ gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f); ++ if (status.bits.link == LINK_UP) ++ { ++ toe_gmac_enable_tx_rx(dev); ++ netif_wake_queue(dev); ++ set_bit(__LINK_STATE_START, &dev->state); ++ } ++ } ++} ++ ++/***************************************/ ++/* define GPIO module base address */ ++/***************************************/ ++#define GPIO_BASE_ADDR (IO_ADDRESS(SL2312_GPIO_BASE)) ++#define GPIO_BASE_ADDR1 (IO_ADDRESS(SL2312_GPIO_BASE1)) ++ ++/* define GPIO pin for MDC/MDIO */ ++#ifdef CONFIG_SL3516_ASIC ++#define H_MDC_PIN 22 ++#define H_MDIO_PIN 21 ++#define G_MDC_PIN 22 ++#define G_MDIO_PIN 21 ++#else ++#define H_MDC_PIN 3 ++#define H_MDIO_PIN 2 ++#define G_MDC_PIN 0 ++#define G_MDIO_PIN 1 ++#endif ++ ++//#define GPIO_MDC 0x80000000 ++//#define GPIO_MDIO 0x00400000 ++ ++static unsigned int GPIO_MDC = 0; ++static unsigned int GPIO_MDIO = 0; ++static unsigned int GPIO_MDC_PIN = 0; ++static unsigned int GPIO_MDIO_PIN = 0; ++ ++// For PHY test definition!! ++#define LPC_EECK 0x02 ++#define LPC_EDIO 0x04 ++#define LPC_GPIO_SET 3 ++#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE) ++#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x) ++ ++enum GPIO_REG ++{ ++ GPIO_DATA_OUT = 0x00, ++ GPIO_DATA_IN = 0x04, ++ GPIO_PIN_DIR = 0x08, ++ GPIO_BY_PASS = 0x0c, ++ GPIO_DATA_SET = 0x10, ++ GPIO_DATA_CLEAR = 0x14, ++}; ++/***********************/ ++/* MDC : GPIO[31] */ ++/* MDIO: GPIO[22] */ ++/***********************/ ++ ++/*************************************************** ++* All the commands should have the frame structure: ++*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE> ++****************************************************/ ++ ++/***************************************************************** ++* Inject a bit to NWay register through CSR9_MDC,MDIO ++*******************************************************************/ ++void mii_serial_write(char bit_MDO) // write data into mii PHY ++{ ++#ifdef CONFIG_SL2312_LPC_IT8712 ++ unsigned char iomode,status; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode |= (LPC_EECK|LPC_EDIO) ; // Set EECK,EDIO,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ if(bit_MDO) ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= LPC_EDIO ; //EDIO high ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ else ++ { ++ status = inb_gpio( LPC_GPIO_SET); ++ status &= ~(LPC_EDIO) ; //EDIO low ++ outb_gpio(LPC_GPIO_SET, status); ++ } ++ ++ status |= LPC_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(LPC_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++#else ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = GPIO_BASE_ADDR + GPIO_PIN_DIR; ++ value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */ ++ writel(value,addr); ++ if(bit_MDO) ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDIO,addr); /* set MDIO to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDIO,addr); /* set MDIO to 0 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ } ++ ++#endif ++} ++ ++/********************************************************************** ++* read a bit from NWay register through CSR9_MDC,MDIO ++***********************************************************************/ ++unsigned int mii_serial_read(void) // read data from mii PHY ++{ ++#ifdef CONFIG_SL2312_LPC_IT8712 ++ unsigned char iomode,status; ++ unsigned int value ; ++ ++ iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET); ++ iomode &= ~(LPC_EDIO) ; // Set EDIO input ++ iomode |= (LPC_EECK) ; // Set EECK,EECS output ++ LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode); ++ ++ status = inb_gpio( LPC_GPIO_SET); ++ status |= LPC_EECK ; //EECK high ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ status &= ~(LPC_EECK) ; //EECK low ++ outb_gpio(LPC_GPIO_SET, status); ++ ++ value = inb_gpio( LPC_GPIO_SET); ++ ++ value = value>>2 ; ++ value &= 0x01; ++ ++ return value ; ++ ++#else ++ unsigned int *addr; ++ unsigned int value; ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR); ++ value = readl(addr) & ~GPIO_MDIO; //0xffbfffff; /* set MDC to output and MDIO to input */ ++ writel(value,addr); ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET); ++ writel(GPIO_MDC,addr); /* set MDC to 1 */ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR); ++ writel(GPIO_MDC,addr); /* set MDC to 0 */ ++ ++ addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN); ++ value = readl(addr); ++ value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN; ++ return(value); ++ ++#endif ++} ++ ++/*************************************** ++* preamble + ST ++***************************************/ ++void mii_pre_st(void) ++{ ++ unsigned char i; ++ ++ for(i=0;i<32;i++) // PREAMBLE ++ mii_serial_write(1); ++ mii_serial_write(0); // ST ++ mii_serial_write(1); ++} ++ ++ ++/****************************************** ++* Read MII register ++* phyad -> physical address ++* regad -> register address ++***************************************** */ ++unsigned int mii_read(unsigned char phyad,unsigned char regad) ++{ ++ unsigned int i,value; ++ unsigned int bit; ++ ++ if (phyad == GPHY_ADDR) ++ { ++ GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */ ++ GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */ ++ } ++ else ++ { ++ GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */ ++ GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */ ++ } ++ GPIO_MDC = (1<<GPIO_MDC_PIN); ++ GPIO_MDIO = (1<<GPIO_MDIO_PIN); ++ ++ mii_pre_st(); // PRE+ST ++ mii_serial_write(1); // OP ++ mii_serial_write(0); ++ ++ for (i=0;i<5;i++) { // PHYAD ++ bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ for (i=0;i<5;i++) { // REGAD ++ bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ mii_serial_read(); // TA_Z ++// if((bit=mii_serial_read()) !=0 ) // TA_0 ++// { ++// return(0); ++// } ++ value=0; ++ for (i=0;i<16;i++) { // READ DATA ++ bit=mii_serial_read(); ++ value += (bit<<(15-i)) ; ++ } ++ ++ mii_serial_write(0); // dumy clock ++ mii_serial_write(0); // dumy clock ++ ++ //printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value); ++ return(value); ++} ++ ++/****************************************** ++* Write MII register ++* phyad -> physical address ++* regad -> register address ++* value -> value to be write ++***************************************** */ ++void mii_write(unsigned char phyad,unsigned char regad,unsigned int value) ++{ ++ unsigned int i; ++ char bit; ++ ++ printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value); ++ if (phyad == GPHY_ADDR) ++ { ++ GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */ ++ GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */ ++ } ++ else ++ { ++ GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */ ++ GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */ ++ } ++ GPIO_MDC = (1<<GPIO_MDC_PIN); ++ GPIO_MDIO = (1<<GPIO_MDIO_PIN); ++ ++ mii_pre_st(); // PRE+ST ++ mii_serial_write(0); // OP ++ mii_serial_write(1); ++ for (i=0;i<5;i++) { // PHYAD ++ bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ ++ for (i=0;i<5;i++) { // REGAD ++ bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ; ++ mii_serial_write(bit); ++ } ++ mii_serial_write(1); // TA_1 ++ mii_serial_write(0); // TA_0 ++ ++ for (i=0;i<16;i++) { // OUT DATA ++ bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ; ++ mii_serial_write(bit); ++ } ++ mii_serial_write(0); // dumy clock ++ mii_serial_write(0); // dumy clock ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_set_rx_mode ++*----------------------------------------------------------------------*/ ++static void gmac_set_rx_mode(struct net_device *dev) ++{ ++ GMAC_RX_FLTR_T filter; ++ unsigned int mc_filter[2]; /* Multicast hash filter */ ++ int bit_nr; ++ unsigned int i; ++ GMAC_INFO_T *tp = dev->priv; ++ ++// printk("%s : dev->flags = %x \n",__func__,dev->flags); ++// dev->flags |= IFF_ALLMULTI; /* temp */ ++ filter.bits32 = 0; ++ filter.bits.error = 0; ++ if (dev->flags & IFF_PROMISC) ++ { ++ filter.bits.error = 1; ++ filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } ++ else if (dev->flags & IFF_ALLMULTI) ++ { ++// filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } ++ else ++ { ++ struct dev_mc_list *mclist; ++ ++// filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0; ++ for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next) ++ { ++ bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f; ++ if (bit_nr < 32) ++ { ++ mc_filter[0] = mc_filter[0] | (1<<bit_nr); ++ } ++ else ++ { ++ mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32)); ++ } ++ } ++ } ++ gmac_write_reg(tp->base_addr,GMAC_RX_FLTR,filter.bits32,0xffffffff); //chech base address!!! ++ gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,mc_filter[0],0xffffffff); ++ gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,mc_filter[1],0xffffffff); ++ return; ++} ++ ++#ifdef CONFIG_SL_NAPI ++/*---------------------------------------------------------------------- ++* gmac_rx_poll ++*----------------------------------------------------------------------*/ ++static int gmac_rx_poll(struct net_device *dev, int *budget) ++{ ++ TOE_INFO_T *toe; ++ GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *skb; ++ DMA_RWPTR_T rwptr; ++ unsigned int pkt_size; ++ unsigned int desc_count; ++ unsigned int good_frame, chksum_status, rx_status; ++ int rx_pkts_num = 0; ++ int quota = min(dev->quota, *budget); ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ unsigned int status4; ++ volatile DMA_RWPTR_T fq_rwptr; ++ int max_cnt = TOE_SW_FREEQ_DESC_NUM;//TOE_SW_FREEQ_DESC_NUM = 64 ++ //unsigned long rx_old_bytes; ++ struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics; ++ //unsigned long long rx_time; ++ ++ ++ ++#if 1 ++ if (do_again) ++ { ++ toe_gmac_fill_free_q(); ++ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ //printk("\n%s:: do_again toe_gmac_fill_free_q =======>status4=0x%x =====fq_rwptr =0x%8x======>JKJKJKJKJKJKJKJKJ \n", __func__,status4,fq_rwptr.bits32); ++ if (fq_rwptr.bits.wptr != fq_rwptr.bits.rptr) ++ { ++ //status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ do_again =0; ++ //netif_rx_complete(dev); ++ gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4, 0x1); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); ++ } ++ else ++ return 1; ++ } ++#endif ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); ++#if 0 ++ if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr) ++ { ++ mac_stop_txdma((struct net_device *)tp->dev); ++ printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n", ++ rwptr.bits32, tp->rx_rwptr.bits.rptr); ++ while(1); ++ } ++#endif ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ //printk("%s:---Before-------------->Default Queue HW RW ptr (0x%8x), fq_rwptr =0x%8x \n",__func__,rwptr.bits32,fq_rwptr.bits32 ); ++ //printk("%s:---Before while rx_pkts_num=%d------rx_finished_idx=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rx_finished_idx,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 ); ++// while ((--max_cnt) && (rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota)) ++ ++ while ((rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota)) ++ { ++ ++ curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr; ++ tp->default_q_cnt++; ++ tp->rx_curr_desc = (unsigned int)curr_desc; ++ rx_status = curr_desc->word0.bits.status; ++ chksum_status = curr_desc->word0.bits.chksum_status; ++ tp->rx_status_cnt[rx_status]++; ++ tp->rx_chksum_cnt[chksum_status]++; ++ pkt_size = curr_desc->word1.bits.byte_count; /*total byte count in a frame*/ ++ desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */ ++ good_frame=1; ++ if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr)) ++ || (pkt_size < 60) ++ || (chksum_status & 0x4) ++ || rx_status ) ++// || rx_status || (rwptr.bits.rptr > rwptr.bits.wptr )) ++ { ++ good_frame = 0; ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr) ++ printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id); ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr) ++ printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id); ++ if (rx_status) ++ { ++ if (rx_status == 4 || rx_status == 7) ++ isPtr->rx_crc_errors++; ++// printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id); ++ } ++#ifdef SL351x_GMAC_WORKAROUND ++ else if (pkt_size < 60) ++ { ++ if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD) ++ tp->short_frames_cnt++; ++ if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++ } ++#endif ++// if (chksum_status) ++// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id); ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ dev_kfree_skb_irq(skb); ++ } ++ if (good_frame) ++ { ++ if (curr_desc->word0.bits.drop) ++ printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id); ++// if (chksum_status) ++// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id); ++ ++#ifdef SL351x_GMAC_WORKAROUND ++ if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ GMAC_CONFIG0_T config0; ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ } ++ tp->short_frames_cnt = 0; ++#endif ++ /* get frame information from the first descriptor of the frame */ ++ isPtr->rx_packets++; ++ //consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE); ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ tp->curr_rx_skb = skb; ++ // curr_desc->word2.buf_adr = 0; ++ ++ //skb_reserve (skb, SKB_RESERVE_BYTES); ++ skb_reserve (skb, RX_INSERT_BYTES); /* 2 byte align the IP fields. */ ++ //if ((skb->tail+pkt_size) > skb->end ) ++ //printk("%s::------------->Here skb->len=%d,pkt_size= %d,skb->head=0x%x,skb->tail= 0x%x, skb->end= 0x%x\n", __func__, skb->len, pkt_size,skb->head,skb->tail,skb->end); ++ skb_put(skb, pkt_size); ++ ++ ++ skb->dev = dev; ++ if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK) ++ { ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++#ifdef CONFIG_SL351x_NAT ++ if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset) ++ { ++ struct iphdr *ip_hdr; ++ ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]); ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++#endif ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++#if 0 ++#ifdef CONFIG_SL351x_RXTOE ++ if (storlink_ctl.rx_max_pktsize) { ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ int ip_hdrlen; ++ ++ ip_hdr = (struct iphdr*)&(skb->data[0]); ++ if ((skb->protocol == __constant_htons(ETH_P_IP)) && ++ ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) { ++ ip_hdrlen = ip_hdr->ihl << 2; ++ tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]); ++ if (tcp_hdr->syn) { ++ struct toe_conn* connection = init_toeq(ip_hdr->version, ++ ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14); ++ TCP_SKB_CB(skb)->connection = connection; ++ // hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index); ++ // printk("%s::skb data %x, conn %x, mode %x\n", ++ // __func__, skb->data, connection, connection->mode); ++ } ++ } ++ } ++#endif ++#endif ++ } ++ else if (chksum_status == RX_CHKSUM_IP_OK_ONLY) ++ { ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++#ifdef CONFIG_SL351x_NAT ++ if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset) ++ { ++ struct iphdr *ip_hdr; ++ ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]); ++ if (ip_hdr->protocol == IPPROTO_UDP) ++ { ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++ else if (ip_hdr->protocol == IPPROTO_GRE) ++ { ++ sl351x_nat_input(skb, ++ tp->port_id, ++ (void *)curr_desc->word3.bits.l3_offset, ++ (void *)curr_desc->word3.bits.l4_offset); ++ } ++ } ++#endif ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++ } ++ else ++ { ++ skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */ ++ } ++ //netif_rx(skb); /* socket rx */ ++ netif_receive_skb(skb); //For NAPI ++ dev->last_rx = jiffies; ++ ++ isPtr->rx_bytes += pkt_size; ++ //printk("------------------->isPtr->rx_bytes = %d\n",isPtr->rx_bytes); ++ ++ ++ } ++ // advance one for Rx default Q 0/1 ++ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num); ++ SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr); ++ tp->rx_rwptr.bits32 = rwptr.bits32; ++ rx_pkts_num++; ++ //rwptr.bits32 = readl(&tp->default_qhdr->word1);//try read default_qhdr again ++ //fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ //printk("%s:---Loop -------->rx_pkts_num=%d------------>Default Queue HW RW ptr = (0x%8x), fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits32,fq_rwptr.bits32 ); ++#if 0 ++ if ((status4 & 0x1) == 0) ++ { ++ //if (!((dev->last_rx <= (rx_time + 2)) && (isPtr->rx_bytes > (rx_old_bytes + 1000000 )))) ++ if (tp->total_q_cnt_napi < 1024) ++ { ++ tp->total_q_cnt_napi++; ++ toe_gmac_fill_free_q(); //for iperf test disable ++ } ++ //else ++ //printk("%s:---isPtr->rx_bytes =%u , rx_old_bytes =%u\n",__func__,isPtr->rx_bytes,rx_old_bytes ); ++ ++ } ++#endif ++ //rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num); ++ //printk("%s:---Loop -------->rx_pkts_num=%d----rwptr.bits.rptr=0x%x-------->Default Queue HW RW ptr = (0x%8x), fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits32,fq_rwptr.bits32 ); ++ //printk("%s:---Loop rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 ); ++ } ++ // advance one for Rx default Q 0/1 ++ ++ //rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num); ++ //SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr); ++ //tp->rx_rwptr.bits32 = rwptr.bits32; ++ //rwptr.bits.rptr = rwptr.bits.rptr; ++ ++ dev->quota -= rx_pkts_num; ++ *budget -= rx_pkts_num; ++ ++ status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);//try read SWFQ empty again ++ //fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); //try read default_qhdr again ++ //printk("%s:---After rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 ); ++// if (rwptr.bits.rptr > rwptr.bits.wptr ) ++// { ++ //toe_gmac_disable_rx(dev); ++ //wait_event_interruptible_timeout(freeq_wait, ++ //(rx_pkts_num == 100), CMTP_INTEROP_TIMEOUT); ++ //printk("\n%s:: return 22222=======> rx_pkts_num =%d, rwptr.bits.rptr=%d, rwptr.bits.wptr = %d ====---------=======>JKJKJKJKJK\n", ++ //__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr); ++// return 1; ++// } ++ ++ if (rwptr.bits.rptr == rwptr.bits.wptr) ++ { ++ unsigned int data32; ++ //printk("%s:---[rwptr.bits.rptr == rwptr.bits.wptr] rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 ); ++ ++ /* Receive descriptor is empty now */ ++#if 1 ++ if (status4 & 0x1) ++ { ++ do_again =1; ++ //writel(0x40400000, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_4_REG); //disable SWFQ empty interrupt ++ //toe_gmac_disable_interrupt(tp->irq); ++ tp->sw_fq_empty_cnt++; ++ //toe_gmac_disable_rx(dev); ++ writel(0x07960202, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ writel(0x07960202, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ //printk("\n%s :: freeq int-----tp->sw_fq_empty_cnt =%d---------====================----------------->\n",__func__,tp->sw_fq_empty_cnt); ++ //while ((fq_rwptr.bits.wptr >= (fq_rwptr.bits.rptr+256)) || (fq_rwptr.bits.wptr <= (fq_rwptr.bits.rptr+256))) ++ //{ ++ //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4, ++ //0x1); ++ //printk("\n%s::fq_rwptr.wrptr = %x =======> ===========>here \n", __func__,fq_rwptr.bits32); ++ //if ((status4 & 0x1) == 0) ++ //break; ++ return 1; ++ //} ++ ++ } ++#endif ++ //toe_gmac_fill_free_q(); ++ netif_rx_complete(dev); ++ // enable GMAC-0 rx interrupt ++ // class-Q & TOE-Q are implemented in future ++ //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //if (tp->port_id == 0) ++ //data32 |= DEFAULT_Q0_INT_BIT; ++ //else ++ //data32 |= DEFAULT_Q1_INT_BIT; ++ //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ writel(0x3, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG); ++ //printk("\n%s::netif_rx_complete--> rx_pkts_num =%d, rwptr.bits.rptr=0x%x, rwptr.bits.wptr = 0x%x ====---------=======>JKJKJKJKJK\n", ++ //__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr); ++ writel(0x07960200, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ writel(0x07960200, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ return 0; ++ } ++ else ++ { ++ //printk("\n%s:: return 1 -->status4= 0x%x,rx_pkts_num =%d, rwptr.bits.rptr=0x%x, rwptr.bits.wptr = 0x%x ======> \n", __func__,status4,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr); ++ return 1; ++ } ++} ++#endif ++ ++/*---------------------------------------------------------------------- ++* gmac_tx_timeout ++*----------------------------------------------------------------------*/ ++void gmac_tx_timeout(struct net_device *dev) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ ++#ifdef CONFIG_SL351x_SYSCTL ++ if (tp->operation && storlink_ctl.link[tp->port_id]) ++#else ++ if (tp->operation) ++#endif ++ { ++ netif_wake_queue(dev); ++ } ++} ++ ++ ++ ++/*---------------------------------------------------------------------- ++* mac_set_rule_reg ++*----------------------------------------------------------------------*/ ++int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2) ++{ ++ int total_key_dwords; ++ ++ total_key_dwords = 1; ++ ++ if (reg0 & MR_L2_BIT) ++ { ++ if (reg0 & MR_DA_BIT) total_key_dwords += 2; ++ if (reg0 & MR_SA_BIT) total_key_dwords += 2; ++ if ((reg0 & MR_DA_BIT) && ( reg0 & MR_SA_BIT)) total_key_dwords--; ++ if (reg0 & (MR_PPPOE_BIT | MR_VLAN_BIT)) total_key_dwords++; ++ } ++ if (reg0 & MR_L3_BIT) ++ { ++ if (reg0 & (MR_IP_HDR_LEN_BIT | MR_TOS_TRAFFIC_BIT | MR_SPR_BITS)) ++ total_key_dwords++; ++ if (reg0 & MR_FLOW_LABLE_BIT) total_key_dwords++; ++ if ((reg0 & MR_IP_VER_BIT) == 0) // IPv4 ++ { ++ if (reg1 & 0xff000000) total_key_dwords += 1; ++ if (reg1 & 0x00ff0000) total_key_dwords += 1; ++ } ++ else ++ { ++ if (reg1 & 0xff000000) total_key_dwords += 4; ++ if (reg1 & 0x00ff0000) total_key_dwords += 4; ++ } ++ } ++ if (reg0 & MR_L4_BIT) ++ { ++ if (reg1 & 0x0000f000) total_key_dwords += 1; ++ if (reg1 & 0x00000f00) total_key_dwords += 1; ++ if (reg1 & 0x000000f0) total_key_dwords += 1; ++ if (reg1 & 0x0000000f) total_key_dwords += 1; ++ if (reg2 & 0xf0000000) total_key_dwords += 1; ++ if (reg2 & 0x0f000000) total_key_dwords += 1; ++ } ++ if (reg0 & MR_L7_BIT) ++ { ++ if (reg2 & 0x00f00000) total_key_dwords += 1; ++ if (reg2 & 0x000f0000) total_key_dwords += 1; ++ if (reg2 & 0x0000f000) total_key_dwords += 1; ++ if (reg2 & 0x00000f00) total_key_dwords += 1; ++ if (reg2 & 0x000000f0) total_key_dwords += 1; ++ if (reg2 & 0x0000000f) total_key_dwords += 1; ++ } ++ ++ if (total_key_dwords > HASH_MAX_KEY_DWORD) ++ return -1; ++ ++ if (total_key_dwords == 0 && enabled) ++ return -2; ++ ++ mac_set_rule_enable_bit(mac, rule, 0); ++ if (enabled) ++ { ++ mac_set_MRxCRx(mac, rule, 0, reg0); ++ mac_set_MRxCRx(mac, rule, 1, reg1); ++ mac_set_MRxCRx(mac, rule, 2, reg2); ++ mac_set_rule_action(mac, rule, total_key_dwords); ++ mac_set_rule_enable_bit(mac, rule, enabled); ++ } ++ else ++ { ++ mac_set_rule_action(mac, rule, 0); ++ } ++ return total_key_dwords; ++} ++ ++/*---------------------------------------------------------------------- ++* mac_get_rule_enable_bit ++*----------------------------------------------------------------------*/ ++int mac_get_rule_enable_bit(int mac, int rule) ++{ ++ switch (rule) ++ { ++ case 0: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 15) & 1); ++ case 1: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 31) & 1); ++ case 2: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 15) & 1); ++ case 3: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 31) & 1); ++ default: return 0; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_rule_enable_bit ++*----------------------------------------------------------------------*/ ++void mac_set_rule_enable_bit(int mac, int rule, int data) ++{ ++ u32 reg; ++ ++ if (data & ~1) ++ return; ++ ++ switch (rule) ++ { ++ case 0: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<15)) | (data << 15); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg); ++ break; ++ case 1: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<31)) | (data << 31); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg); ++ break; ++ case 2: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<15)) | (data << 15); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg); ++ break; ++ case 3: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<31)) | (data << 31); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_rule_action ++*----------------------------------------------------------------------*/ ++int mac_set_rule_action(int mac, int rule, int data) ++{ ++ u32 reg; ++ ++ if (data > 32) ++ return -1; ++ ++ if (data) ++ data = (data << 6) | (data + HASH_ACTION_DWORDS); ++ switch (rule) ++ { ++ case 0: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff)); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | data); ++ break; ++ case 1: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff<<16)); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | (data << 16)); ++ break; ++ case 2: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff)); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg | data); ++ break; ++ case 3: ++ reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff<<16)); ++ mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg | (data << 16)); ++ break; ++ default: ++ return -1; ++ } ++ ++ return 0; ++} ++/*---------------------------------------------------------------------- ++* mac_get_MRxCRx ++*----------------------------------------------------------------------*/ ++int mac_get_MRxCRx(int mac, int rule, int ctrlreg) ++{ ++ int reg; ++ ++ switch (rule) ++ { ++ case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break; ++ case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break; ++ case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break; ++ case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break; ++ default: return 0; ++ } ++ return mac_read_dma_reg(mac, reg); ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_MRxCRx ++*----------------------------------------------------------------------*/ ++void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data) ++{ ++ int reg; ++ ++ switch (rule) ++ { ++ case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break; ++ case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break; ++ case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break; ++ case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break; ++ default: return; ++ } ++ mac_write_dma_reg(mac, reg, data); ++} ++ ++/*---------------------------------------------------------------------- ++* mac_set_rule_priority ++*----------------------------------------------------------------------*/ ++void mac_set_rule_priority(int mac, int p0, int p1, int p2, int p3) ++{ ++ int i; ++ GMAC_MRxCR0_T reg[4]; ++ ++ for (i=0; i<4; i++) ++ reg[i].bits32 = mac_get_MRxCRx(mac, i, 0); ++ ++ reg[0].bits.priority = p0; ++ reg[1].bits.priority = p1; ++ reg[2].bits.priority = p2; ++ reg[3].bits.priority = p3; ++ ++ for (i=0; i<4; i++) ++ mac_set_MRxCRx(mac, i, 0, reg[i].bits32); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_netdev_ioctl ++*----------------------------------------------------------------------*/ ++static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ++{ ++ int rc = 0; ++ unsigned char *hwa = rq->ifr_ifru.ifru_hwaddr.sa_data; ++ ++#ifdef br_if_ioctl ++ struct ethtool_cmd ecmd; //br_if.c will call this ioctl ++ GMAC_INFO_T *tp = dev->priv; ++#endif ++ ++#ifdef CONFIG_SL351x_NAT ++ if (cmd == SIOCDEVPRIVATE) ++ return sl351x_nat_ioctl(dev, rq, cmd); ++#endif ++ ++ switch (cmd) { ++ case SIOCETHTOOL: ++#ifdef br_if_ioctl //br_if.c will call this ioctl ++ if (!netif_running(dev)) ++ { ++ printk("Before changing the H/W address,please down the device.\n"); ++ return -EINVAL; ++ } ++ memset((void *) &ecmd, 0, sizeof (ecmd)); ++ ecmd.supported = ++ SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII | ++ SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | ++ SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full; ++ ecmd.port = PORT_TP; ++ ecmd.transceiver = XCVR_EXTERNAL; ++ ecmd.phy_address = tp->phy_addr; ++ switch (tp->speed_status) ++ { ++ case GMAC_SPEED_10: ecmd.speed = SPEED_10; break; ++ case GMAC_SPEED_100: ecmd.speed = SPEED_100; break; ++ case GMAC_SPEED_1000: ecmd.speed = SPEED_1000; break; ++ default: ecmd.speed = SPEED_10; break; ++ } ++ ecmd.duplex = tp->full_duplex_status ? DUPLEX_FULL : DUPLEX_HALF; ++ ecmd.advertising = ADVERTISED_TP; ++ ecmd.advertising |= ADVERTISED_Autoneg; ++ ecmd.autoneg = AUTONEG_ENABLE; ++ if (copy_to_user(rq->ifr_data, &ecmd, sizeof (ecmd))) ++ return -EFAULT; ++#endif ++ ++ break; ++ ++ case SIOCSIFHWADDR: ++ if (!netif_running(dev)) ++ { ++ printk("Before changing the H/W address,please down the device.\n"); ++ return -EINVAL; ++ } ++ gmac_set_mac_address(dev,hwa); ++ break; ++ ++ case SIOCGMIIPHY: /* Get the address of the PHY in use. */ ++ break; ++ ++ case SIOCGMIIREG: /* Read the specified MII register. */ ++ break; ++ ++ case SIOCSMIIREG: /* Write the specified MII register */ ++ break; ++ ++ default: ++ rc = -EOPNOTSUPP; ++ break; ++ } ++ ++ return rc; ++} ++ ++#ifdef SL351x_GMAC_WORKAROUND ++ ++#define GMAC_TX_STATE_OFFSET 0x60 ++#define GMAC_RX_STATE_OFFSET 0x64 ++#define GMAC_POLL_HANGED_NUM 200 ++#define GMAC_RX_HANGED_STATE 0x4b2000 ++#define GMAC_RX_HANGED_MASK 0xdff000 ++#define GMAC_TX_HANGED_STATE 0x34012 ++#define GMAC_TX_HANGED_MASK 0xfffff ++#define TOE_GLOBAL_REG_SIZE (0x78/sizeof(u32)) ++#define TOE_DMA_REG_SIZE (0xd0/sizeof(u32)) ++#define TOE_GMAC_REG_SIZE (0x30/sizeof(u32)) ++#define GMAC0_RX_HANG_BIT (1 << 0) ++#define GMAC0_TX_HANG_BIT (1 << 1) ++#define GMAC1_RX_HANG_BIT (1 << 2) ++#define GMAC1_TX_HANG_BIT (1 << 3) ++ ++int gmac_in_do_workaround; ++#if 0 ++int debug_cnt, poll_max_cnt; ++#endif ++u32 gmac_workaround_cnt[4]; ++u32 toe_global_reg[TOE_GLOBAL_REG_SIZE]; ++u32 toe_dma_reg[GMAC_NUM][TOE_DMA_REG_SIZE]; ++u32 toe_gmac_reg[GMAC_NUM][TOE_GMAC_REG_SIZE]; ++u32 gmac_short_frame_workaround_cnt[2]; ++ ++static void sl351x_gmac_release_buffers(void); ++static void sl351x_gmac_release_swtx_q(void); ++static void sl351x_gmac_release_rx_q(void); ++#ifdef _TOEQ_CLASSQ_READY_ ++static void sl351x_gmac_release_class_q(void); ++static void sl351x_gmac_release_toe_q(void); ++static void sl351x_gmac_release_intr_q(void); ++#endif ++static void sl351x_gmac_release_sw_free_q(void); ++static void sl351x_gmac_release_hw_free_q(void); ++#ifdef CONFIG_SL351x_NAT ++static int get_free_desc_cnt(unsigned long rwptr, int total); ++static void sl351x_gmac_release_hwtx_q(void); ++u32 sl351x_nat_workaround_cnt; ++#endif ++void sl351x_gmac_save_reg(void); ++void sl351x_gmac_restore_reg(void); ++ ++ ++/*---------------------------------------------------------------------- ++* sl351x_poll_gmac_hanged_status ++* - Called by timer routine, period 10ms ++* - If (state != 0 && state == prev state && ) ++*----------------------------------------------------------------------*/ ++void sl351x_poll_gmac_hanged_status(u32 data) ++{ ++ int i; ++ u32 state; ++ TOE_INFO_T *toe; ++ GMAC_INFO_T *tp; ++ u32 hanged_state; ++ // int old_operation[GMAC_NUM]; ++#ifdef CONFIG_SL351x_NAT ++ u32 hw_free_cnt; ++#endif ++ ++ if (gmac_in_do_workaround) ++ return; ++ ++ gmac_in_do_workaround = 1; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ hanged_state = 0; ++ ++#ifdef SL351x_TEST_WORKAROUND ++ if (toe->gmac[0].operation || toe->gmac[1].operation) ++ { ++ debug_cnt++; ++ if (debug_cnt == (30 * HZ)) ++ { ++ debug_cnt = 0; ++ hanged_state = GMAC0_RX_HANG_BIT; ++ goto do_workaround; ++ } ++ } ++#endif ++ if (toe->gmac[0].operation) ++ hanged_state |= GMAC0_RX_HANG_BIT | GMAC0_TX_HANG_BIT; ++ ++#if (GMAC_NUM > 1) ++ if (toe->gmac[1].operation) ++ hanged_state |= GMAC1_RX_HANG_BIT | GMAC1_TX_HANG_BIT; ++#endif ++ ++ for (i=0; i<GMAC_POLL_HANGED_NUM; i++) ++ { ++ if (hanged_state & GMAC0_RX_HANG_BIT) ++ { ++ state = readl(TOE_GMAC0_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK; ++ if (state != GMAC_RX_HANGED_STATE) ++ hanged_state &= ~GMAC0_RX_HANG_BIT; ++ } ++ if (hanged_state & GMAC0_TX_HANG_BIT) ++ { ++ state = readl(TOE_GMAC0_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK; ++ if (state != GMAC_TX_HANGED_STATE) ++ hanged_state &= ~GMAC0_TX_HANG_BIT; ++ } ++#if (GMAC_NUM > 1) ++ if (hanged_state & GMAC1_RX_HANG_BIT) ++ { ++ state = readl(TOE_GMAC1_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK; ++ if (state != GMAC_RX_HANGED_STATE) ++ hanged_state &= ~GMAC1_RX_HANG_BIT; ++ } ++ if (hanged_state & GMAC1_TX_HANG_BIT) ++ { ++ state = readl(TOE_GMAC1_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK; ++ if (state != GMAC_TX_HANGED_STATE) ++ hanged_state &= ~GMAC1_TX_HANG_BIT; ++ } ++#endif ++ if (!hanged_state) ++ { ++#if 0 ++ if (i < poll_max_cnt) ++ poll_max_cnt = i; ++#endif ++ if (toe->gmac[0].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ gmac_short_frame_workaround_cnt[0]++; ++ toe->gmac[0].short_frames_cnt = 0; ++ goto do_workaround; ++ } ++#if (GMAC_NUM > 1) ++ if (toe->gmac[1].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD) ++ { ++ gmac_short_frame_workaround_cnt[1]++; ++ toe->gmac[1].short_frames_cnt = 0; ++ goto do_workaround; ++ } ++#endif ++ ++#ifdef CONFIG_SL351x_NAT ++ hw_free_cnt = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++ hw_free_cnt = get_free_desc_cnt(hw_free_cnt, TOE_HW_FREEQ_DESC_NUM); ++#ifdef NAT_WORKAROUND_BY_RESET_GMAC ++ if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= PAUSE_SET_HW_FREEQ)) ++ { ++ sl351x_nat_workaround_cnt++; ++ goto do_workaround; ++ } ++#else ++ if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= (PAUSE_SET_HW_FREEQ*2))) ++ { ++ sl351x_nat_workaround_cnt++; ++ sl351x_nat_workaround_handler(); ++ } ++#endif ++#endif ++ gmac_in_do_workaround = 0; ++ add_timer(&gmac_workround_timer_obj); ++ return; ++ } ++ } ++ ++do_workaround: ++ ++ gmac_initialized = 0; ++ if (hanged_state) ++ { ++ if (hanged_state & GMAC0_RX_HANG_BIT) gmac_workaround_cnt[0]++; ++ if (hanged_state & GMAC0_TX_HANG_BIT) gmac_workaround_cnt[1]++; ++ if (hanged_state & GMAC1_RX_HANG_BIT) gmac_workaround_cnt[2]++; ++ if (hanged_state & GMAC1_TX_HANG_BIT) gmac_workaround_cnt[3]++; ++ } ++ ++ for (i=0; i<GMAC_NUM; i++) ++ { ++ tp=(GMAC_INFO_T *)&toe->gmac[i]; ++ // old_operation[i] = tp->operation; ++ if (tp->operation) ++ { ++ netif_stop_queue(tp->dev); ++ clear_bit(__LINK_STATE_START, &tp->dev->state); ++ toe_gmac_disable_interrupt(tp->irq); ++ toe_gmac_disable_tx_rx(tp->dev); ++ toe_gmac_hw_stop(tp->dev); ++ } ++ } ++ ++ // clear all status bits ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG); ++ writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++#if 0 ++ if ((hanged_state & GMAC0_RX_HANG_BIT) && ++ (readl(TOE_GMAC0_DMA_BASE + 0xdc) & 0xf0)) ++ { ++ struct sk_buff *skb; ++ unsigned int buf; ++ buf = readl(TOE_GMAC0_DMA_BASE + 0x68) & ~3; ++#ifdef CONFIG_SL351x_NAT ++ if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma) ++#endif ++ { ++ skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES)); ++ printk("GMAC-0 free a loss SKB 0x%x\n", (u32)skb); ++ dev_kfree_skb(skb); ++ } ++ } ++ if ((hanged_state & GMAC1_RX_HANG_BIT) && ++ (readl(TOE_GMAC1_DMA_BASE + 0xdc) & 0xf0)) ++ { ++ struct sk_buff *skb; ++ unsigned int buf; ++ buf = readl(TOE_GMAC1_DMA_BASE + 0x68) & ~3; ++#ifdef CONFIG_SL351x_NAT ++ if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma) ++#endif ++ { ++ skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES)); ++ printk("GMAC-1 free a loss SKB 0x%x\n", (u32)skb); ++ dev_kfree_skb(skb); ++ } ++ } ++#endif ++ ++ sl351x_gmac_release_buffers(); ++ sl351x_gmac_save_reg(); ++ toe_gmac_sw_reset(); ++ sl351x_gmac_restore_reg(); ++ ++ if (toe->gmac[0].default_qhdr->word1.bits32) ++ { ++ // printk("===> toe->gmac[0].default_qhdr->word1 = 0x%x\n", toe->gmac[0].default_qhdr->word1); ++ sl351x_gmac_release_rx_q(); ++ writel(0, &toe->gmac[0].default_qhdr->word1); ++ } ++ if (toe->gmac[1].default_qhdr->word1.bits32) ++ { ++ // printk("===> toe->gmac[1].default_qhdr->word1 = 0x%x\n", toe->gmac[1].default_qhdr->word1); ++ sl351x_gmac_release_rx_q(); ++ writel(0, &toe->gmac[1].default_qhdr->word1); ++ } ++ ++ gmac_initialized = 1; ++ ++#ifdef CONFIG_SL351x_NAT ++ writel(0, TOE_GLOBAL_BASE + 0x4084); ++#endif ++ ++ for (i=0; i<GMAC_NUM; i++) ++ { ++ tp=(GMAC_INFO_T *)&toe->gmac[i]; ++ if (tp->operation) ++ { ++ toe_gmac_enable_interrupt(tp->irq); ++ toe_gmac_hw_start(tp->dev); ++ toe_gmac_enable_tx_rx(tp->dev); ++ netif_wake_queue(tp->dev); ++ set_bit(__LINK_STATE_START, &tp->dev->state); ++ } ++ } ++ ++ gmac_in_do_workaround = 0; ++ add_timer(&gmac_workround_timer_obj); ++} ++ ++/*---------------------------------------------------------------------- ++* get_free_desc_cnt ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static int get_free_desc_cnt(unsigned long rwptr, int total) ++{ ++ unsigned short wptr = rwptr & 0xffff; ++ unsigned short rptr = rwptr >> 16; ++ ++ if (wptr >= rptr) ++ return (total - wptr + rptr); ++ else ++ return (rptr - wptr); ++} ++#endif ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_buffers ++*----------------------------------------------------------------------*/ ++static void sl351x_gmac_release_buffers(void) ++{ ++ // Free buffers & Descriptors in all SW Tx Queues ++ sl351x_gmac_release_swtx_q(); ++ ++ // Free buffers in Default Rx Queues ++ sl351x_gmac_release_rx_q(); ++ ++#ifdef _TOEQ_CLASSQ_READY_ ++ // Free buffers in Classification Queues ++ sl351x_gmac_release_class_q(); ++ ++ // Free buffers in TOE Queues ++ sl351x_gmac_release_toe_q(); ++ ++ // Free buffers in Interrupt Queues ++ sl351x_gmac_release_intr_q(); ++#endif ++ ++ // Free buffers & descriptors in SW free queue ++ sl351x_gmac_release_sw_free_q(); ++ ++ // Free buffers & descriptors in HW free queue ++ sl351x_gmac_release_hw_free_q(); ++ ++#ifdef CONFIG_SL351x_NAT ++ // Free buffers & descriptors in HW free queue ++ sl351x_gmac_release_hwtx_q(); ++#endif ++} ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_swtx_q ++*----------------------------------------------------------------------*/ ++static void sl351x_gmac_release_swtx_q(void) ++{ ++ int i, j; ++ GMAC_TXDESC_T *curr_desc; ++ unsigned int desc_count; ++ TOE_INFO_T *toe; ++ GMAC_INFO_T *tp; ++ GMAC_SWTXQ_T *swtxq; ++ DMA_RWPTR_T rwptr; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ tp = (GMAC_INFO_T *)&toe->gmac[0]; ++ for (i=0; i<GMAC_NUM; i++, tp++) ++ { ++ if (!tp->existed) continue; ++ swtxq = (GMAC_SWTXQ_T *)&tp->swtxq[0]; ++ for (j=0; j<TOE_SW_TXQ_NUM; j++, swtxq++) ++ { ++ for (;;) ++ { ++ rwptr.bits32 = readl(swtxq->rwptr_reg); ++ if (rwptr.bits.rptr == swtxq->finished_idx) ++ break; ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++ // if (curr_desc->word0.bits.status_tx_ok) ++ { ++ desc_count = curr_desc->word0.bits.desc_count; ++ while (--desc_count) ++ { ++ curr_desc->word0.bits.status_tx_ok = 0; ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num); ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++ } ++ ++ curr_desc->word0.bits.status_tx_ok = 0; ++ if (swtxq->tx_skb[swtxq->finished_idx]) ++ { ++ dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]); ++ swtxq->tx_skb[swtxq->finished_idx] = NULL; ++ } ++ } ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num); ++ } ++ writel(0, swtxq->rwptr_reg); ++ swtxq->finished_idx = 0; ++ } ++ } ++ ++} ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_rx_q ++*----------------------------------------------------------------------*/ ++static void sl351x_gmac_release_rx_q(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ GMAC_INFO_T *tp; ++ DMA_RWPTR_T rwptr; ++ volatile GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *skb; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ tp = (GMAC_INFO_T *)&toe->gmac[0]; ++ for (i=0; i<GMAC_NUM; i++, tp++) ++ { ++ if (!tp->existed) continue; ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); ++ while (rwptr.bits.rptr != rwptr.bits.wptr) ++ { ++ curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr; ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ dev_kfree_skb_irq(skb); ++ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num); ++ SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr); ++ rwptr.bits32 = readl(&tp->default_qhdr->word1); ++ } // while ++ writel(0, &tp->default_qhdr->word1); ++ tp->rx_rwptr.bits32 = 0; ++ } // for ++ ++} ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_class_q ++*----------------------------------------------------------------------*/ ++#ifdef _TOEQ_CLASSQ_READY_ ++static void sl351x_gmac_release_class_q(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ CLASSQ_INFO_T *classq; ++ DMA_RWPTR_T rwptr; ++ volatile GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *skb; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ classq = (CLASSQ_INFO_T *)&toe->classq[0]; ++ for (i=0; i<TOE_CLASS_QUEUE_NUM; i++, classq++) ++ { ++ rwptr.bits32 = readl(&classq->qhdr->word1); ++ while (rwptr.bits.rptr != rwptr.bits.wptr) ++ { ++ curr_desc = (GMAC_RXDESC_T *)classq->desc_base + rwptr.bits.rptr; ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ dev_kfree_skb_irq(skb); ++ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, classq->desc_num); ++ SET_RPTR(&classq->qhdr->word1, rwptr.bits.rptr); ++ rwptr.bits32 = readl(&classq->qhdr->word1); ++ } // while ++ writel(0, &classq->qhdr->word1); ++ classq->rwptr.bits32 = 0; ++ } // for ++ ++} ++#endif ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_toe_q ++*----------------------------------------------------------------------*/ ++#ifdef _TOEQ_CLASSQ_READY_ ++static void sl351x_gmac_release_toe_q(void) ++{ ++ int i; ++ TOE_INFO_T *toe; ++ TOEQ_INFO_T *toeq_info; ++ TOE_QHDR_T *toe_qhdr; ++ DMA_RWPTR_T rwptr; ++ volatile GMAC_RXDESC_T *curr_desc; ++ unsigned int rptr, wptr; ++ GMAC_RXDESC_T *toe_curr_desc; ++ struct sk_buff *skb; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ toe_qhdr = (TOE_QHDR_T *)TOE_TOE_QUE_HDR_BASE; ++ for (i=0; i<TOE_TOE_QUEUE_NUM; i++, toe_qhdr++) ++ { ++ toeq_info = (TOEQ_INFO_T *)&toe->toeq[i]; ++ wptr = toe_qhdr->word1.bits.wptr; ++ rptr = toe_qhdr->word1.bits.rptr; ++ while (rptr != wptr) ++ { ++ toe_curr_desc = (GMAC_RXDESC_T *)toeq_info->desc_base + rptr; ++ skb = (struct sk_buff *)(REG32(__va(toe_curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ dev_kfree_skb_irq(skb); ++ rptr = RWPTR_ADVANCE_ONE(rptr, toeq_info->desc_num); ++ SET_RPTR(&toe_qhdr->word1.bits32, rptr); ++ wptr = toe_qhdr->word1.bits.wptr; ++ rptr = toe_qhdr->word1.bits.rptr; ++ } ++ toe_qhdr->word1.bits32 = 0; ++ toeq_info->rwptr.bits32 = 0; ++ } ++} ++#endif ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_intr_q ++*----------------------------------------------------------------------*/ ++#ifdef _TOEQ_CLASSQ_READY_ ++static void sl351x_gmac_release_intr_q(void) ++{ ++} ++#endif ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_sw_free_q ++*----------------------------------------------------------------------*/ ++static void sl351x_gmac_release_sw_free_q(void) ++{ ++ TOE_INFO_T *toe; ++ volatile DMA_RWPTR_T fq_rwptr; ++ volatile GMAC_RXDESC_T *fq_desc; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ ++ while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) ++ { ++ struct sk_buff *skb; ++ if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL) /* allocate socket buffer */ ++ { ++ printk("%s::skb buffer allocation fail !\n",__func__); while(1); ++ } ++ // *(unsigned int *)(skb->data) = (unsigned int)skb; ++ REG32(skb->data) = (unsigned long)skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM); ++ fq_desc = (volatile GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data); ++ SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ } ++ ++ toe->fq_rx_rwptr.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1; ++ toe->fq_rx_rwptr.bits.rptr = 0; ++ writel(toe->fq_rx_rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ ++} ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_hw_free_q ++*----------------------------------------------------------------------*/ ++static void sl351x_gmac_release_hw_free_q(void) ++{ ++ DMA_RWPTR_T rwptr_reg; ++ ++#ifdef CONFIG_SL351x_NAT ++ int i; ++ TOE_INFO_T *toe; ++ GMAC_RXDESC_T *desc_ptr; ++ unsigned int buf_ptr; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base; ++ buf_ptr = (unsigned int)toe->hwfq_buf_base_dma; ++ for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++) ++ { ++ desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE; ++ desc_ptr->word1.bits.sw_id = i; ++ desc_ptr->word2.buf_adr = (unsigned int)buf_ptr; ++ desc_ptr++; ++ buf_ptr += HW_RX_BUF_SIZE; ++ } ++#endif ++ rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_gmac_release_hw_free_q ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static void sl351x_gmac_release_hwtx_q(void) ++{ ++ int i; ++ unsigned int rwptr_addr; ++ ++ rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ writel(0, rwptr_addr); ++ rwptr_addr+=4; ++ } ++ rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ writel(0, rwptr_addr); ++ rwptr_addr+=4; ++ } ++} ++#endif ++ ++/*---------------------------------------------------------------------- ++* sl351x_gmac_save_reg ++*----------------------------------------------------------------------*/ ++void sl351x_gmac_save_reg(void) ++{ ++ int i; ++ volatile u32 *destp; ++ unsigned int srce_addr; ++ ++ srce_addr = TOE_GLOBAL_BASE; ++ destp = (volatile u32 *)toe_global_reg; ++ for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, destp++, srce_addr+=4) ++ *destp = readl(srce_addr); ++ ++ srce_addr = TOE_GMAC0_DMA_BASE; ++ destp = (volatile u32 *)&toe_dma_reg[0][0]; ++ for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4) ++ { ++ if (srce_addr == (TOE_GMAC0_DMA_BASE+0x38)) ++ srce_addr = (TOE_GMAC0_DMA_BASE+0x50); ++ if (srce_addr == (TOE_GMAC0_DMA_BASE+0x58)) ++ srce_addr = (TOE_GMAC0_DMA_BASE+0x70); ++ ++ *destp = readl(srce_addr); ++ } ++ srce_addr = TOE_GMAC1_DMA_BASE; ++ destp = (volatile u32 *)&toe_dma_reg[1][0]; ++ for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4) ++ { ++ if (srce_addr == (TOE_GMAC0_DMA_BASE+0x38)) ++ srce_addr = (TOE_GMAC0_DMA_BASE+0x50); ++ if (srce_addr == (TOE_GMAC0_DMA_BASE+0x58)) ++ srce_addr = (TOE_GMAC0_DMA_BASE+0x70); ++ ++ *destp = readl(srce_addr); ++ } ++ ++ srce_addr = TOE_GMAC0_BASE; ++ destp = (volatile u32 *)&toe_gmac_reg[0][0]; ++ for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4) ++ *destp = readl(srce_addr); ++ ++ srce_addr = TOE_GMAC1_BASE; ++ destp = (volatile u32 *)&toe_gmac_reg[1][0]; ++ for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4) ++ *destp = readl(srce_addr); ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_gmac_restore_reg ++*----------------------------------------------------------------------*/ ++void sl351x_gmac_restore_reg(void) ++{ ++ int i; ++ volatile u32 *srcep; ++ unsigned int dest_addr; ++ ++ srcep = (volatile u32 *)&toe_dma_reg[0][0]; ++ dest_addr = TOE_GMAC0_DMA_BASE; ++ for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++) ++ { ++ if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38)) ++ dest_addr = (TOE_GMAC0_DMA_BASE+0x50); ++ if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58)) ++ dest_addr = (TOE_GMAC0_DMA_BASE+0x70); ++ ++ writel(*srcep, dest_addr); ++ // gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff); ++ } ++ srcep = (volatile u32 *)&toe_dma_reg[1][0]; ++ dest_addr = TOE_GMAC1_DMA_BASE; ++ for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++) ++ { ++ if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38)) ++ dest_addr = (TOE_GMAC0_DMA_BASE+0x50); ++ if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58)) ++ dest_addr = (TOE_GMAC0_DMA_BASE+0x70); ++ ++ writel(*srcep, dest_addr); ++ // gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff); ++ } ++ ++ srcep = (volatile u32 *)&toe_gmac_reg[0][0]; ++ dest_addr = TOE_GMAC0_BASE; ++ for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++) ++ writel(*srcep, dest_addr); ++ ++ srcep = (volatile u32 *)&toe_gmac_reg[1][0]; ++ dest_addr = TOE_GMAC1_BASE; ++ for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++) ++ writel(*srcep, dest_addr); ++ ++ srcep = (volatile u32 *)toe_global_reg; ++ dest_addr = TOE_GLOBAL_BASE; ++ for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, dest_addr+=4, srcep++) ++ writel(*srcep, dest_addr); ++ ++} ++ ++#ifdef CONFIG_SL351x_NAT ++/*---------------------------------------------------------------------- ++* sl351x_nat_workaround_init ++*----------------------------------------------------------------------*/ ++#define NAT_WORAROUND_DESC_POWER (6) ++#define NAT_WORAROUND_DESC_NUM (2 << NAT_WORAROUND_DESC_POWER) ++dma_addr_t sl351x_nat_workaround_desc_dma; ++void sl351x_nat_workaround_init(void) ++{ ++ unsigned int desc_buf; ++ ++ desc_buf = (unsigned int)DMA_MALLOC((NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T)), ++ (dma_addr_t *)&sl351x_nat_workaround_desc_dma) ; ++ memset((void *)desc_buf, 0, NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ ++ // DMA Queue Base & Size ++ writel((sl351x_nat_workaround_desc_dma & DMA_Q_BASE_MASK) | NAT_WORAROUND_DESC_POWER, ++ TOE_GLOBAL_BASE + 0x4080); ++ writel(0, TOE_GLOBAL_BASE + 0x4084); ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_workaround_handler ++*----------------------------------------------------------------------*/ ++#ifndef NAT_WORKAROUND_BY_RESET_GMAC ++static void sl351x_nat_workaround_handler(void) ++{ ++ int i; ++ DMA_RWPTR_T rwptr; ++ GMAC_RXDESC_T *desc_ptr; ++ unsigned int buf_ptr; ++ TOE_INFO_T *toe; ++ GMAC_CONFIG0_T config0; ++ unsigned int rwptr_addr; ++ ++ toe = (TOE_INFO_T *)&toe_private_data; ++ ++ // disable Rx of GMAC-0 & 1 ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++ ++ // wait GMAC-0 HW Tx finished ++ rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ rwptr.bits32 = readl(rwptr_addr); ++ if (rwptr.bits.rptr != rwptr.bits.wptr) ++ return; // wait the HW to send packets and release buffers ++ rwptr_addr+=4; ++ } ++ rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ rwptr.bits32 = readl(rwptr_addr); ++ if (rwptr.bits.rptr != rwptr.bits.wptr) ++ return; // wait the HW to send packets and release buffers ++ rwptr_addr+=4; ++ } ++ ++ // printk("sl351x_nat_workaround_handler %d\n", sl351x_nat_workaround_cnt); ++ desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base; ++ buf_ptr = (unsigned int)toe->hwfq_buf_base_dma; ++ for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++) ++ { ++ desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE; ++ desc_ptr->word1.bits.sw_id = i; ++ desc_ptr->word2.buf_adr = (unsigned int)buf_ptr; ++ desc_ptr++; ++ buf_ptr += HW_RX_BUF_SIZE; ++ } ++ rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++ rwptr.bits.wptr = RWPTR_RECEDE_ONE(rwptr.bits.rptr, TOE_HW_FREEQ_DESC_NUM); ++ writel(rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG); ++ writel(0, TOE_GLOBAL_BASE + 0x4084); ++ ++ // Enable Rx of GMAC-0 & 1 ++ config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0); ++ config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; ++ writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0); ++} ++#endif ++#endif // CONFIG_SL351x_NAT ++ ++#endif // SL351x_GMAC_WORKAROUND ++ ++/* get the mac addresses from flash ++ *can't do this in module_init because mtd driver is initialized after ethernet ++ */ ++static __init int sl351x_mac_address_init(void) ++{ ++ GMAC_INFO_T *tp; ++ struct sockaddr sock; ++ int i; ++ ++ /* get mac address from FLASH */ ++ gmac_get_mac_address(); ++ ++ for (i = 0; i < GMAC_NUM; i++) { ++ tp = (GMAC_INFO_T *)&toe_private_data.gmac[i]; ++ memcpy(&sock.sa_data[0],ð_mac[tp->port_id][0],6); ++ gmac_set_mac_address(tp->dev,(void *)&sock); ++ } ++ ++ return 0; ++} ++late_initcall(sl351x_mac_address_init); ++ ++ +--- /dev/null ++++ b/drivers/net/sl351x_hash.c +@@ -0,0 +1,713 @@ ++/************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl351x_hash.c ++* Description : ++* Handle Storlink SL351x Hash Functions ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* 03/13/2006 Gary Chen Create and implement ++* ++****************************************************************************/ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch/irqs.h> ++#include <asm/arch/it8712.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/skbuff.h> ++#include <linux/in.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/list.h> ++#define MIDWAY ++#define SL_LEPUS ++ ++#include <asm/arch/sl2312.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <asm/arch/sl351x_hash_cfg.h> ++ ++#ifndef RXTOE_DEBUG ++#define RXTOE_DEBUG ++#endif ++#undef RXTOE_DEBUG ++ ++/*---------------------------------------------------------------------- ++* Definition ++*----------------------------------------------------------------------*/ ++#define hash_printf printk ++ ++#define HASH_TIMER_PERIOD (30) // seconds ++#define HASH_ILLEGAL_INDEX 0xffff ++ ++/*---------------------------------------------------------------------- ++* Variables ++*----------------------------------------------------------------------*/ ++u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32]; ++char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16))); ++static struct timer_list hash_timer_obj; ++LIST_HEAD(hash_timeout_list); ++ ++/*---------------------------------------------------------------------- ++* Functions ++*----------------------------------------------------------------------*/ ++void dm_long(u32 location, int length); ++static void hash_timer_func(u32 data); ++ ++/*---------------------------------------------------------------------- ++* hash_init ++*----------------------------------------------------------------------*/ ++void sl351x_hash_init(void) ++{ ++ int i; ++ volatile u32 *dp1, *dp2, dword; ++ ++ dp1 = (volatile u32 *) TOE_V_BIT_BASE; ++ dp2 = (volatile u32 *) TOE_A_BIT_BASE; ++ ++ for (i=0; i<HASH_TOTAL_ENTRIES/32; i++) ++ { ++ *dp1++ = 0; ++ dword = *dp2++; // read-clear ++ } ++ memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits)); ++ memset((void *)&hash_tables, 0, sizeof(hash_tables)); ++ ++ init_timer(&hash_timer_obj); ++ hash_timer_obj.expires = jiffies + (HASH_TIMER_PERIOD * HZ); ++ hash_timer_obj.data = (unsigned long)&hash_timer_obj; ++ hash_timer_obj.function = (void *)&hash_timer_func; ++ add_timer(&hash_timer_obj); ++ ++#if (HASH_MAX_BYTES == 128) ++ writel((unsigned long)__pa(&hash_tables) | 3, // 32 words ++ TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG); ++#elif (HASH_MAX_BYTES == 64) ++ writel((unsigned long)__pa(&hash_tables) | 2, // 16 words ++ TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG); ++#else ++ #error Incorrect setting for HASH_MAX_BYTES ++#endif ++ ++} ++/*---------------------------------------------------------------------- ++* hash_add_entry ++*----------------------------------------------------------------------*/ ++int hash_add_entry(HASH_ENTRY_T *entry) ++{ ++ int rc; ++ u32 key[HASH_MAX_DWORDS]; ++ rc = hash_build_keys((u32 *)&key, entry); ++ if (rc < 0) ++ return -1; ++ hash_write_entry(entry, (unsigned char*) &key[0]); ++// hash_set_valid_flag(entry->index, 1); ++// printk("Dump hash key!\n"); ++// dump_hash_key(entry); ++ return entry->index; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_set_valid_flag ++*----------------------------------------------------------------------*/ ++void hash_set_valid_flag(int index, int valid) ++{ ++ register u32 reg32; ++ ++ reg32 = TOE_V_BIT_BASE + (index/32) * 4; ++ ++ if (valid) ++ { ++ writel(readl(reg32) | (1 << (index%32)), reg32); ++ } ++ else ++ { ++ writel(readl(reg32) & ~(1 << (index%32)), reg32); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* hash_set_nat_owner_flag ++*----------------------------------------------------------------------*/ ++void hash_set_nat_owner_flag(int index, int valid) ++{ ++ if (valid) ++ { ++ hash_nat_owner_bits[index/32] |= (1 << (index % 32)); ++ } ++ else ++ { ++ hash_nat_owner_bits[index/32] &= ~(1 << (index % 32)); ++ } ++} ++ ++ ++/*---------------------------------------------------------------------- ++* hash_build_keys ++*----------------------------------------------------------------------*/ ++int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry) ++{ ++ u32 data; ++ unsigned char *cp; ++ int i, j; ++ unsigned short index; ++ int total; ++ ++ memset((void *)destp, 0, HASH_MAX_BYTES); ++ cp = (unsigned char *)destp; ++ ++ if (entry->key_present.port || entry->key_present.Ethertype) ++ { ++ HASH_PUSH_WORD(cp, entry->key.Ethertype); // word 0 ++ HASH_PUSH_BYTE(cp, entry->key.port); // Byte 2 ++ HASH_PUSH_BYTE(cp, 0); // Byte 3 ++ } ++ else ++ { ++ HASH_PUSH_DWORD(cp, 0); ++ } ++ ++ if (entry->key_present.da || entry->key_present.sa) ++ { ++ unsigned char mac[4]; ++ if (entry->key_present.da) ++ { ++ for (i=0; i<4; i++) ++ HASH_PUSH_BYTE(cp, entry->key.da[i]); ++ } ++ mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0; ++ mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0; ++ mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0; ++ mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0; ++ data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24); ++ HASH_PUSH_DWORD(cp, data); ++ if (entry->key_present.sa) ++ { ++ for (i=2; i<6; i++) ++ HASH_PUSH_BYTE(cp, entry->key.sa[i]); ++ } ++ } ++ ++ if (entry->key_present.pppoe_sid || entry->key_present.vlan_id) ++ { ++ HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word ++ HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word ++ } ++ if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.ip_protocol); // Byte 0 ++ HASH_PUSH_BYTE(cp, entry->key.ip_tos); // Byte 1 ++ HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen); // Byte 2 ++ HASH_PUSH_BYTE(cp, 0); // Byte 3 ++ } ++ ++ if (entry->key_present.ipv6_flow_label) ++ { ++ HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label); // low word ++ } ++ if (entry->key_present.sip) ++ { ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[i]); ++ if (entry->key.ipv6) ++ { ++ for (i=4; i<16; i+=4) ++ { ++ for (j=i+3; j>=i; j--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[j]); ++ } ++ } ++ } ++ if (entry->key_present.dip) ++ { ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[i]); ++ if (entry->key.ipv6) ++ { ++ for (i=4; i<16; i+=4) ++ { ++ for (j=i+3; j>=i; j--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[j]); ++ } ++ } ++ } ++ ++ if (entry->key_present.l4_bytes_0_3) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]); ++ } ++ if (entry->key_present.l4_bytes_4_7) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]); ++ } ++ if (entry->key_present.l4_bytes_8_11) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]); ++ } ++ if (entry->key_present.l4_bytes_12_15) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]); ++ } ++ if (entry->key_present.l4_bytes_16_19) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]); ++ } ++ if (entry->key_present.l4_bytes_20_23) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]); ++ } ++ if (entry->key_present.l7_bytes_0_3) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]); ++ } ++ if (entry->key_present.l7_bytes_4_7) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]); ++ } ++ if (entry->key_present.l7_bytes_8_11) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]); ++ } ++ if (entry->key_present.l7_bytes_12_15) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]); ++ } ++ if (entry->key_present.l7_bytes_16_19) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]); ++ } ++ if (entry->key_present.l7_bytes_20_23) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]); ++ } ++ ++ // get hash index ++ total = (u32)((u32)cp - (u32)destp) / (sizeof(u32)); ++ ++ if (total > HASH_MAX_KEY_DWORD) ++ { ++ //hash_printf("Total key words (%d) is too large (> %d)!\n", ++ // total, HASH_MAX_KEY_DWORD); ++ return -1; ++ } ++ ++ if (entry->key_present.port || entry->key_present.Ethertype) ++ index = hash_gen_crc16((unsigned char *)destp, total * 4); ++ else ++ { ++ if (total == 1) ++ { ++ hash_printf("No key is assigned!\n"); ++ return -1; ++ } ++ ++ index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4); ++ } ++ ++ entry->index = index & HASH_BITS_MASK; ++ ++ //hash_printf("Total key words = %d, Hash Index= %d\n", ++ // total, entry->index); ++ ++ cp = (unsigned char *)destp; ++ cp+=3; ++ HASH_PUSH_BYTE(cp, entry->rule); // rule ++ ++ entry->total_dwords = total; ++ ++ return total; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_build_nat_keys ++*----------------------------------------------------------------------*/ ++void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry) ++{ ++ unsigned char *cp; ++ int i; ++ unsigned short index; ++ int total; ++ ++ memset((void *)destp, 0, HASH_MAX_BYTES); ++ ++ cp = (unsigned char *)destp + 2; ++ HASH_PUSH_BYTE(cp, entry->key.port); ++ cp++; ++ ++ if (entry->key_present.pppoe_sid || entry->key_present.vlan_id) ++ { ++ HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word ++ HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word ++ } ++ ++ HASH_PUSH_BYTE(cp, entry->key.ip_protocol); ++ cp+=3; ++ ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[i]); ++ ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[i]); ++ ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]); ++ ++ // get hash index ++ total = (u32)((u32)cp - (u32)destp) / (sizeof(u32)); ++ ++ index = hash_gen_crc16((unsigned char *)destp, total * 4); ++ entry->index = index & ((1 << HASH_BITS) - 1); ++ ++ cp = (unsigned char *)destp; ++ cp+=3; ++ HASH_PUSH_BYTE(cp, entry->rule); // rule ++ ++ entry->total_dwords = total; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_build_toe_keys ++*----------------------------------------------------------------------*/ ++int hash_build_toe_keys(u32 *destp, HASH_ENTRY_T *entry) ++{ ++ unsigned long data; ++ unsigned char *cp; ++ unsigned short index; ++ int i; ++ int total; ++ //printk("%s\n", __func__); ++ memset((void*)destp, 0, HASH_MAX_BYTES); ++ cp = (unsigned char*)destp; ++ ++ if(entry->key_present.port || entry->key_present.Ethertype) { ++ data = (entry->key.port << 16) + entry->key.Ethertype; ++ HASH_PUSH_DWORD(cp, data); ++ } else ++ HASH_PUSH_DWORD(cp, 0); ++ ++ if (entry->key_present.da || entry->key_present.sa) { ++ unsigned char mac[4]; ++ if (entry->key_present.da) { ++ data = (entry->key.da[0]) + (entry->key.da[1] << 8) + ++ (entry->key.da[2] << 16) + (entry->key.da[3] <<24); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0; ++ mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0; ++ mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0; ++ mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0; ++ data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24); ++ HASH_PUSH_DWORD(cp, data); ++ if (entry->key_present.sa) { ++ data = (entry->key.sa[2]) + (entry->key.sa[3] << 8) + ++ (entry->key.sa[4] << 16) + (entry->key.sa[5] <<24); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ } ++ ++ if (entry->key_present.ip_protocol) { ++ unsigned char ip_protocol; ++ ip_protocol = entry->key.ip_protocol; ++ data = ip_protocol; ++ HASH_PUSH_DWORD(cp, data); ++ } ++ ++ if (entry->key_present.ipv6_flow_label) { ++ unsigned long flow_label; ++ flow_label = entry->key.ipv6_flow_label; ++ data = flow_label & 0xfffff; ++ HASH_PUSH_DWORD(cp, data); ++ } ++ ++ if (entry->key_present.sip) { ++ { ++ data = IPIV(entry->key.sip[0], entry->key.sip[1], ++ entry->key.sip[2], entry->key.sip[3]); ++ HASH_PUSH_DWORD(cp, data); ++ if (entry->key.ipv6) { ++ for (i=4; i<16; i+=4) { ++ data = IPIV(entry->key.sip[i+0], entry->key.sip[i+1], ++ entry->key.sip[i+2], entry->key.sip[i+3]); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ } ++ } ++ } ++ ++ if (entry->key_present.dip) { ++ { ++ data = IPIV(entry->key.dip[0], entry->key.dip[1], ++ entry->key.dip[2], entry->key.dip[3]); ++ HASH_PUSH_DWORD(cp, data); ++ if (entry->key.ipv6) { ++ for (i=4; i<16; i+=4) { ++ data = IPIV(entry->key.dip[i+0], entry->key.dip[i+1], ++ entry->key.dip[i+2], entry->key.dip[i+3]); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ } ++ } ++ } ++ if (entry->key_present.l4_bytes_0_3) ++ { ++ unsigned char *datap; ++ datap = &entry->key.l4_bytes[0]; ++ data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ if (entry->key_present.l7_bytes_0_3) ++ { ++ unsigned char *datap; ++ datap = &entry->key.l7_bytes[0]; ++ data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ if (entry->key_present.l7_bytes_4_7) ++ { ++ unsigned char *datap; ++ datap = &entry->key.l7_bytes[4]; ++ data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24); ++ HASH_PUSH_DWORD(cp, data); ++ } ++ ++ total = (unsigned long)((unsigned long)cp - (unsigned long)destp) / (sizeof(u32)); ++ if (total > HASH_MAX_KEY_DWORD) { ++ //printf("Total key words (%d) is too large (> %d)!\n", ++ // total, HASH_MAX_KEY_DWORD); ++ return -1; ++ } ++ index = hash_gen_crc16((unsigned char*)(destp + 1), (total-1)*4); ++ entry->index = index & ((1 << HASH_BITS)-1); ++ ++ cp = (unsigned char*) destp; ++ cp += 3; ++ HASH_PUSH_BYTE(cp, entry->rule); ++ entry->total_dwords = total; ++ return total; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_add_toe_entry ++*----------------------------------------------------------------------*/ ++int hash_add_toe_entry(HASH_ENTRY_T *entry) ++{ ++ int rc; ++ u32 key[HASH_MAX_DWORDS]; ++ ++ rc = hash_build_toe_keys((u32 *)&key, entry); ++ if (rc < 0) ++ return -1; ++ hash_write_entry(entry, (unsigned char*) &key[0]); ++ //hash_dump_entry(entry->index); ++// hash_set_valid_flag(entry->index, 1); ++// printk("Dump hash key!\n"); ++// dump_hash_key(entry); ++ return entry->index; ++} ++ ++ ++/*---------------------------------------------------------------------- ++* hash_write_entry ++*----------------------------------------------------------------------*/ ++int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key) ++{ ++ int i; ++ u32 *srcep, *destp, *destp2; ++ ++ srcep = (u32 *)key; ++ destp2 = destp = (u32 *)&hash_tables[entry->index][0]; ++ ++ for (i=0; i<(entry->total_dwords); i++, srcep++, destp++) ++ *destp = *srcep; ++ ++ srcep = (u32 *)&entry->action; ++ *destp++ = *srcep; ++ ++ srcep = (u32 *)&entry->param; ++ for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++) ++ *destp = *srcep; ++ ++ memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32)); ++ ++ consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE); ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_timer_func ++*----------------------------------------------------------------------*/ ++static void hash_timer_func(u32 data) ++{ ++ int i, j, idx; ++ volatile u32 *own_p, *valid_p; ++ u32 own_bits, a_bits; ++ int period = HASH_TIMER_PERIOD; ++ ++ valid_p = (volatile u32 *)TOE_V_BIT_BASE; ++ own_p = (volatile u32 *)hash_nat_owner_bits; ++ for (i=0, idx=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, valid_p++, idx+=32) ++ { ++ a_bits = readl(TOE_A_BIT_BASE + (i*4)); ++ own_bits = *own_p; ++ if (own_bits) ++ { ++ for (j=0; own_bits && j<32; j++) ++ { ++ if (own_bits & 1) ++ { ++ short *counter_p, *interval_p; ++ NAT_HASH_ENTRY_T *nat_entry; ++ GRE_HASH_ENTRY_T *gre_entry; ++ nat_entry = (NAT_HASH_ENTRY_T *)hash_get_entry(idx+j); ++ gre_entry = (GRE_HASH_ENTRY_T *)nat_entry; ++ if (nat_entry->key.ip_protocol == IPPROTO_GRE) ++ { ++ counter_p = (short *)&gre_entry->tmo.counter; ++ interval_p = (short *)&gre_entry->tmo.interval; ++ } ++ else ++ { ++ counter_p = (short *)&nat_entry->tmo.counter; ++ interval_p = (short *)&nat_entry->tmo.interval; ++ } ++ if (a_bits & 1) ++ { ++ *counter_p = *interval_p; ++ } ++ else ++ { ++ *counter_p -= HASH_TIMER_PERIOD; ++ if (*counter_p <= 0) ++ { ++ *valid_p &= ~(1 << j); // invalidate it ++ *own_p &= ~(1 << j); // release ownership for NAT ++ *counter_p = 0; ++ // hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j); ++ } ++ else if (period > *counter_p) ++ { ++ period = *counter_p; ++ } ++ } ++ } ++ a_bits >>= 1; ++ own_bits >>=1; ++ } ++ } ++ } ++ ++ hash_timer_obj.expires = jiffies + (period * HZ); ++ add_timer((struct timer_list *)data); ++} ++ ++/*---------------------------------------------------------------------- ++* dm_long ++*----------------------------------------------------------------------*/ ++void dm_long(u32 location, int length) ++{ ++ u32 *start_p, *curr_p, *end_p; ++ u32 *datap, data; ++ int i; ++ ++ //if (length > 1024) ++ // length = 1024; ++ ++ start_p = (u32 *)location; ++ end_p = (u32 *)location + length; ++ curr_p = (u32 *)((u32)location & 0xfffffff0); ++ datap = (u32 *)location; ++ while (curr_p < end_p) ++ { ++ hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0); ++ for (i=0; i<4; i++) ++ { ++ if (curr_p < start_p || curr_p >= end_p) ++ hash_printf(" "); ++ else ++ { ++ data = *datap; ++ hash_printf("%08X ", data); ++ } ++ if (i==1) ++ hash_printf("- "); ++ ++ curr_p++; ++ datap++; ++ } ++ hash_printf("\n"); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* hash_dump_entry ++*----------------------------------------------------------------------*/ ++void hash_dump_entry(int index) ++{ ++ hash_printf("Hash Index %d:\n", index); ++ dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS); ++} ++ ++ +--- /dev/null ++++ b/drivers/net/sl351x_nat.c +@@ -0,0 +1,1736 @@ ++/**************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*---------------------------------------------------------------------------- ++* Name : sl351x_nat.c ++* Description : ++* Handle Storlink SL351x NAT Functions ++* ++* ++* Packet Flow: ++* ++* (xmit)+<--- SW NAT -->+(xmit) ++* | ^^ | ++* | || | ++* | || | ++* Client <---> GMAC-x HW-NAT GMAC-y <---> Server ++* ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* 03/13/2006 Gary Chen Create and implement ++* ++* ++****************************************************************************/ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch/irqs.h> ++#include <asm/arch/it8712.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/skbuff.h> ++#include <linux/if_ether.h> ++#include <linux/if_pppox.h> ++#include <linux/in.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/udp.h> ++#include <linux/ppp_defs.h> ++ ++#define MIDWAY ++#define SL_LEPUS ++ ++#include <asm/arch/sl2312.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <asm/arch/sl351x_hash_cfg.h> ++#include <asm/arch/sl351x_nat_cfg.h> ++#ifdef CONFIG_NETFILTER ++// #include <linux/netfilter/nf_conntrack.h> ++#include <linux/netfilter/nf_conntrack_tcp.h> ++#endif ++ ++//#define NAT_DEBUG_MSG 1 ++#define _NOT_CHECK_SIP_DIP ++//#define SL351x_NAT_TEST_BY_SMARTBITS 1 // Initialize 32 hash entries and test by SmartBITS ++#define VITESSE_G5SWITCH 1 ++ ++#ifdef CONFIG_SL351x_NAT ++ ++/*---------------------------------------------------------------------- ++* Definition ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL3516_ASIC ++#define CONFIG_SL351x_NAT_TCP_UDP ++#define CONFIG_SL351x_NAT_GRE ++#define CONFIG_SL351x_TCP_UDP_RULE_ID 0 ++#define CONFIG_SL351x_GRE_RULE_ID 1 ++#else ++#define CONFIG_SL351x_NAT_TCP_UDP ++//#define CONFIG_SL351x_NAT_GRE ++#define CONFIG_SL351x_TCP_UDP_RULE_ID 0 ++#define CONFIG_SL351x_GRE_RULE_ID 0 ++#endif ++ ++#define nat_printf printk ++#define NAT_FTP_CTRL_PORT (21) // TCP ++#define NAT_H323_PORT (1720) // TCP ++#define NAT_T120_PORT (1503) // TCP ++#define NAT_PPTP_PORT (1723) // TCP ++#define NAT_TFTP_PORT (69) // UDP ++#define NAT_DNS_PORT (53) // UDP ++#define NAT_NTP_PORT (123) // UDP ++#define NAT_RAS_PORT (1719) // UDP ++#define NAT_BOOTP67_PORT (67) // UDP ++#define NAT_BOOTP68_PORT (68) // UDP ++ ++#define NAT_TCP_PORT_MAX 64 ++#define NAT_UDP_PORT_MAX 64 ++ ++#define GRE_PROTOCOL (0x880b) ++#define GRE_PROTOCOL_SWAP __constant_htons(0x880b) ++ ++#ifdef VITESSE_G5SWITCH ++extern int Giga_switch; ++#endif ++ ++typedef struct ++{ ++ u16 flags_ver; ++ u16 protocol; ++ u16 payload_length; ++ u16 call_id; ++ u32 seq; ++ u32 ack; ++} GRE_PKTHDR_T; ++ ++/*---------------------------------------------------------------------- ++* NAT Configuration ++* ++* Note: Any change for network setting, the NAT configuration should ++* be changed also. ++* cfg->lan_port 0 if GMAC-0, 1: if GMAC-1 ++* cfg->wan_port 0 if GMAC-0, 1: if GMAC-1 ++* cfg->lan_ipaddr, cfg->lan_gateway, cfg->lan_netmask ++* cfg->wan_ipaddr, cfg->wan_gateway, cfg->wan_netmask ++* ++*----------------------------------------------------------------------*/ ++NAT_CFG_T nat_cfg; ++static int nat_initialized; ++u32 nat_collision; ++ ++#ifdef CONFIG_SL351x_NAT_TCP_UDP ++static u16 fixed_tcp_port_list[]={NAT_FTP_CTRL_PORT, ++ NAT_H323_PORT, ++ // NAT_T120_PORT, ++ NAT_PPTP_PORT, ++ 0}; ++static u16 fixed_udp_port_list[]={NAT_DNS_PORT, ++ NAT_NTP_PORT, ++ NAT_TFTP_PORT, ++ NAT_RAS_PORT, ++ NAT_BOOTP67_PORT, ++ NAT_BOOTP68_PORT, ++ 0}; ++#endif ++ ++// #define _HAVE_DYNAMIC_PORT_LIST ++#ifdef _HAVE_DYNAMIC_PORT_LIST ++static u16 dynamic_tcp_port_list[NAT_TCP_PORT_MAX+1]; ++static u16 dynamic_udp_port_list[NAT_UDP_PORT_MAX+1]}; ++#endif ++ ++/*---------------------------------------------------------------------- ++* Functions ++*----------------------------------------------------------------------*/ ++int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port); ++int sl351x_nat_udp_output(struct sk_buff *skb, int port); ++int sl351x_nat_gre_output(struct sk_buff *skb, int port); ++ ++extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2); ++extern void hash_dump_entry(int index); ++extern void mac_get_hw_tx_weight(struct net_device *dev, char *weight); ++extern void mac_set_hw_tx_weight(struct net_device *dev, char *weight); ++ ++#ifdef SL351x_NAT_TEST_BY_SMARTBITS ++static void nat_init_test_entry(void); ++#endif ++/*---------------------------------------------------------------------- ++* sl351x_nat_init ++* initialize a NAT matching rule ++* Called by SL351x Driver ++* key : port, protocol, Sip, Dip, Sport, Dport ++* Action : Srce Q: HW Free Queue, ++* Dest Q: HW TxQ ++* Change DA ++* Change SA ++* Change Sip or Dip ++* Change Sport or Dport ++*----------------------------------------------------------------------*/ ++void sl351x_nat_init(void) ++{ ++ int rc; ++ GMAC_MRxCR0_T mrxcr0; ++ GMAC_MRxCR1_T mrxcr1; ++ GMAC_MRxCR2_T mrxcr2; ++ NAT_CFG_T *cfg; ++ ++ if (nat_initialized) ++ return; ++ ++ nat_initialized = 1; ++ ++ if ((sizeof(NAT_HASH_ENTRY_T) > HASH_MAX_BYTES) || ++ (sizeof(GRE_HASH_ENTRY_T) > HASH_MAX_BYTES)) ++ { ++ nat_printf("NAT_HASH_ENTRY_T structure Size is too larger!\n"); ++ while(1); ++ } ++ ++ cfg = (NAT_CFG_T *)&nat_cfg; ++ memset((void *)cfg, 0, sizeof(NAT_CFG_T)); ++#ifdef _HAVE_DYNAMIC_PORT_LIST ++ memset((void *)dynamic_tcp_port_list, 0, sizeof(dynamic_tcp_port_list)); ++ memset((void *)dynamic_udp_port_list, 0, sizeof(dynamic_udp_port_list)); ++#endif ++ ++#ifdef VITESSE_G5SWITCH ++ if(Giga_switch) ++ { ++ cfg->enabled = 1; ++ cfg->tcp_udp_rule_id = CONFIG_SL351x_TCP_UDP_RULE_ID; ++ cfg->gre_rule_id = CONFIG_SL351x_GRE_RULE_ID; ++ cfg->lan_port = 1; ++ cfg->wan_port = 0; ++ cfg->default_hw_txq = 3; ++ cfg->tcp_tmo_interval = 60; ++ cfg->udp_tmo_interval = 180; ++ cfg->gre_tmo_interval = 60; ++ } ++ else ++ { ++ cfg->enabled = 1; ++ cfg->tcp_udp_rule_id = CONFIG_SL351x_TCP_UDP_RULE_ID; ++ cfg->gre_rule_id = CONFIG_SL351x_GRE_RULE_ID; ++ cfg->lan_port = 0; ++ cfg->wan_port = 1; ++ cfg->default_hw_txq = 3; ++ cfg->tcp_tmo_interval = 60; ++ cfg->udp_tmo_interval = 180; ++ cfg->gre_tmo_interval = 60; ++ ++ } ++#endif ++ ++#if 1 // debug purpose ++ cfg->ipcfg[0].total = 1; ++ cfg->ipcfg[0].entry[0].ipaddr = IPIV(192,168,2,92); ++ cfg->ipcfg[0].entry[0].netmask = IPIV(255,255,255,0); ++ cfg->ipcfg[1].total = 1; ++ cfg->ipcfg[1].entry[0].ipaddr = IPIV(192,168,1,200); ++ cfg->ipcfg[1].entry[0].netmask = IPIV(255,255,255,0); ++#endif ++ ++#if 1 ++ cfg->xport.total = 0; ++#else ++ cfg->xport.total = 4; ++ ++ // H.323/H.225 Call setup ++ cfg->xport.entry[0].protocol = IPPROTO_TCP; ++ cfg->xport.entry[0].sport_start = 0; ++ cfg->xport.entry[0].sport_end = 0; ++ cfg->xport.entry[0].dport_start = 1720; ++ cfg->xport.entry[0].dport_end = 1720; ++ cfg->xport.entry[1].protocol = IPPROTO_TCP; ++ cfg->xport.entry[1].sport_start = 1720; ++ cfg->xport.entry[1].sport_end = 1720; ++ cfg->xport.entry[1].dport_start = 0; ++ cfg->xport.entry[1].dport_end = 0; ++ ++ // RAS Setup ++ cfg->xport.entry[2].protocol = IPPROTO_UDP; ++ cfg->xport.entry[2].sport_start = 0; ++ cfg->xport.entry[2].sport_end = 0; ++ cfg->xport.entry[2].dport_start = 1719; ++ cfg->xport.entry[2].dport_end = 1719; ++ cfg->xport.entry[3].protocol = IPPROTO_UDP; ++ cfg->xport.entry[3].sport_start = 1719; ++ cfg->xport.entry[3].sport_end = 1719; ++ cfg->xport.entry[3].dport_start = 0; ++ cfg->xport.entry[3].dport_end = 0; ++#endif ++ ++#ifdef CONFIG_SL351x_NAT_TCP_UDP ++ mrxcr0.bits32 = 0; ++ mrxcr1.bits32 = 0; ++ mrxcr2.bits32 = 0; ++ mrxcr0.bits.port = 1; ++ mrxcr0.bits.l3 = 1; ++ mrxcr0.bits.l4 = 1; ++ mrxcr1.bits.sip = 1; ++ mrxcr1.bits.dip = 1; ++ mrxcr1.bits.l4_byte0_15 = 0x0f; // Byte 0-3 ++ mrxcr0.bits.sprx = 3; ++ ++ rc = mac_set_rule_reg(cfg->lan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32); ++ if (rc < 0) ++ { ++ nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->tcp_udp_rule_id); ++ } ++ ++ if (cfg->lan_port != cfg->wan_port) ++ { ++ rc = mac_set_rule_reg(cfg->wan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32); ++ if (rc < 0) ++ { ++ nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->tcp_udp_rule_id); ++ } ++ } ++#endif ++ ++#ifdef CONFIG_SL351x_NAT_GRE ++ mrxcr0.bits32 = 0; ++ mrxcr1.bits32 = 0; ++ mrxcr2.bits32 = 0; ++ mrxcr0.bits.port = 1; ++ mrxcr0.bits.l3 = 1; ++ mrxcr0.bits.l4 = 1; ++ mrxcr1.bits.sip = 1; ++ mrxcr1.bits.dip = 1; ++ mrxcr1.bits.l4_byte0_15 = 0xcc; // Byte 2, 3, 6, 7 ++ mrxcr0.bits.sprx = 4; // see GMAC driver about SPR ++ ++ rc = mac_set_rule_reg(cfg->lan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32); ++ if (rc < 0) ++ { ++ nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->gre_rule_id); ++ } ++ ++ if (cfg->lan_port != cfg->wan_port) ++ { ++ rc = mac_set_rule_reg(cfg->wan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32); ++ if (rc < 0) ++ { ++ nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->gre_rule_id); ++ } ++ } ++#endif ++ ++#ifdef SL351x_NAT_TEST_BY_SMARTBITS ++ nat_init_test_entry(); ++#endif ++} ++ ++/*---------------------------------------------------------------------- ++* nat_build_keys ++* Note: To call this routine, the key->rule_id MUST be zero ++*----------------------------------------------------------------------*/ ++static inline int nat_build_keys(NAT_KEY_T *key) ++{ ++ return hash_gen_crc16((unsigned char *)key, NAT_KEY_SIZE) & HASH_BITS_MASK; ++} ++ ++/*---------------------------------------------------------------------- ++* gre_build_keys ++* Note: To call this routine, the key->rule_id MUST be zero ++*----------------------------------------------------------------------*/ ++static inline int gre_build_keys(GRE_KEY_T *key) ++{ ++ return hash_gen_crc16((unsigned char *)key, GRE_KEY_SIZE) & HASH_BITS_MASK; ++} ++ ++/*---------------------------------------------------------------------- ++* nat_write_hash_entry ++*----------------------------------------------------------------------*/ ++static inline int nat_write_hash_entry(int index, void *hash_entry) ++{ ++ int i; ++ u32 *srcep, *destp, *destp2; ++ ++ srcep = (u32 *)hash_entry; ++ destp = destp2 = (u32 *)&hash_tables[index][0]; ++ ++ for (i=0; i<(NAT_HASH_ENTRY_SIZE/sizeof(u32)); i++) ++ *destp++ = *srcep++; ++ ++ consistent_sync(destp2, NAT_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE); ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* gre_write_hash_entry ++*----------------------------------------------------------------------*/ ++static inline int gre_write_hash_entry(int index, void *hash_entry) ++{ ++ int i; ++ u32 *srcep, *destp, *destp2; ++ ++ srcep = (u32 *)hash_entry; ++ destp = destp2 = (u32 *)&hash_tables[index][0]; ++ ++ for (i=0; i<(GRE_HASH_ENTRY_SIZE/sizeof(u32)); i++) ++ *destp++ = *srcep++; ++ ++ consistent_sync(destp2, GRE_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE); ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_find_ipcfg ++* return NULL if not found ++*----------------------------------------------------------------------*/ ++static NAT_IP_ENTRY_T *sl351x_nat_find_ipcfg(u32 ipaddr, int port) ++{ ++ int i; ++ NAT_IP_ENTRY_T *ipcfg; ++ ++ ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port].entry[0]; ++ for (i=0; i<nat_cfg.ipcfg[port].total; i++, ipcfg++) ++ { ++ if (ipaddr == ipcfg->ipaddr) ++ { ++ return ipcfg; ++ } ++ } ++ return NULL; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_assign_qid ++*----------------------------------------------------------------------*/ ++static int sl351x_nat_assign_qid(u8 proto, u32 sip, u32 dip, u16 sport, u16 dport) ++{ ++ int i, total, qid; ++ NAT_WRULE_ENTRY_T *entry; ++ ++ for (qid = 0; qid<CONFIG_NAT_TXQ_NUM; qid++) ++ { ++ if (qid == nat_cfg.default_hw_txq) ++ continue; ++ ++ entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0]; ++ total = nat_cfg.wrule[qid].total; ++ for (i=0; i<total; i++, entry++) ++ { ++ if (!entry->protocol || entry->protocol==proto) ++ { ++ //if (!entry->sip_start && !entry->dip_start && !entry->sport_start && !entry->dport_start) ++ // continue; // UI take care ++ if (entry->sip_start && !((sip >= entry->sip_start) && ++ (sip <= entry->sip_end))) ++ continue; ++ if (entry->dip_start && !((dip >= entry->dip_start) && ++ (dip <= entry->dip_end))) ++ continue; ++ if (entry->sport_start && !((sport >= entry->sport_start) && ++ (sport <= entry->sport_end))) ++ continue; ++ if (entry->dport_start && !((dport >= entry->dport_start) ++ && (dport <= entry->dport_end))) ++ continue; ++ return qid; ++ } ++ } ++ } ++ return nat_cfg.default_hw_txq; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_input ++* Handle NAT input frames ++* Called by SL351x Driver - Handle Default Rx Queue ++* Notes: The caller must make sure that the l3off & l4offset should not be zero. ++* SL351x NAT Frames should meet the following conditions: ++* 1. TCP or UDP frame ++* 2. Cannot be special ALGs ports which TCP/UDP data is updated ++* 3. LAN-IN Frames: ++* Source IP is in the LAN subnet and Destination is not in the LAN subnet ++* 4. WAN-IN Frames ++* Destination IP is in the WAN port IP ++* ++* Example Ports ++* 1. TCP/UDP data is updated ++* (a) FTP Control Packet ++* (b) VoIP Packets ++* (c) etc. (add in future) ++* 2. UDP Low packet rate, not worth ++* (b) TFTP Destination Port is 69 ++* (b) DNS 53 ++* (c) NTP 123 ++* (d) etc. (add in future) ++*----------------------------------------------------------------------*/ ++void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off) ++{ ++ int i, found; ++ u32 sip, dip; ++ u16 sport, dport; ++ struct ethhdr *ether_hdr; ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ struct pppoe_hdr *pppoe_hdr; ++ NAT_CB_T *nat_cb; ++ u8 proto, pppoe_frame=0; ++ NAT_CFG_T *cfg; ++ u16 ppp_proto; ++ NAT_IP_ENTRY_T *ipcfg; ++ NAT_XPORT_ENTRY_T *xentry; ++ GRE_PKTHDR_T *gre_hdr; ++#ifdef CONFIG_SL351x_NAT_TCP_UDP ++ u16 *port_ptr; ++#endif ++ ++ cfg = (NAT_CFG_T *)&nat_cfg; ++ if (!cfg->enabled || !cfg->ipcfg[port].total) ++ return; ++ ++ ip_hdr = (struct iphdr *)&(skb->data[(u32)l3off]); ++ proto = ip_hdr->protocol; ++ ++ tcp_hdr = (struct tcphdr *)&(skb->data[(u32)l4off]); ++ gre_hdr = (GRE_PKTHDR_T *)tcp_hdr; ++ sport = ntohs(tcp_hdr->source); ++ dport = ntohs(tcp_hdr->dest); ++ ++ sip = ntohl(ip_hdr->saddr); ++ dip = ntohl(ip_hdr->daddr); ++ ++ if (dip == IPIV(255,255,255,255)) ++ return; ++ ++ if (port == cfg->lan_port) ++ { ++ ipcfg = (NAT_IP_ENTRY_T *)&cfg->ipcfg[port].entry[0]; ++ for (i=0, found=0; i<cfg->ipcfg[port].total; i++, ipcfg++) ++ { ++ u32 subnet = ipcfg->ipaddr & ipcfg->netmask; ++ if (((sip & ipcfg->netmask) == subnet) && ++ ((dip & ipcfg->netmask) != subnet)) ++ { ++ found = 1; ++ break; ++ } ++ } ++ if (!found) ++ return; ++ } ++ else ++ { ++#ifndef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address ++ if (!sl351x_nat_find_ipcfg(dip, port)) ++ { ++ printk("WAN->LAN Incorrect Dip %d.%d.%d.%d\n", HIPQUAD(dip)); ++ return; ++ } ++#endif ++ ether_hdr = (struct ethhdr *)skb->data; ++ pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1); ++ ppp_proto = *(u16 *)&pppoe_hdr->tag[0]; ++ if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864 ++ && ppp_proto == __constant_htons(PPP_IP) ) // 0x21 ++ { ++ pppoe_frame = 1; ++ } ++ } ++ ++#ifdef CONFIG_SL351x_NAT_TCP_UDP ++ if (proto == IPPROTO_TCP) ++ { ++#ifdef NAT_DEBUG_MSG ++ nat_printf("From GMAC-%d: 0x%-4X TCP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]", ++ port, ntohs(ip_hdr->id), ++ NIPQUAD(ip_hdr->saddr), sport, ++ NIPQUAD(ip_hdr->daddr), dport); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK"); ++ nat_printf("\n"); ++#endif ++ // if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST)) ++ if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN)) ++ { ++ return; ++ } ++ port_ptr = fixed_tcp_port_list; ++ for (i=0; *port_ptr; i++, port_ptr++) ++ { ++ if (sport == *port_ptr || dport == *port_ptr) ++ return; ++ } ++#ifdef _HAVE_DYNAMIC_PORT_LIST ++ port_ptr = dynamic_tcp_port_list; ++ for (i=0; *port_ptr; i++, port_ptr++) ++ { ++ if (sport == *port_ptr || dport == *port_ptr) ++ return; ++ } ++#endif ++ } ++ else if (proto == IPPROTO_UDP) ++ { ++#ifdef NAT_DEBUG_MSG ++ nat_printf("From GMAC-%d: 0x%-4X UDP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]", ++ port, ntohs(ip_hdr->id), ++ NIPQUAD(ip_hdr->saddr), sport, ++ NIPQUAD(ip_hdr->daddr), dport); ++ nat_printf("\n"); ++#endif ++ port_ptr = fixed_udp_port_list; ++ for (i=0; *port_ptr; i++, port_ptr++) ++ { ++ if (sport == *port_ptr || dport == *port_ptr) ++ return; ++ } ++#ifdef _HAVE_DYNAMIC_PORT_LIST ++ port_ptr = dynamic_udp_port_list; ++ for (i=0; *port_ptr; i++, port_ptr++) ++ { ++ if (sport == *port_ptr || dport == *port_ptr) ++ return; ++ } ++#endif ++ } ++ else ++#endif // CONFIG_SL351x_NAT_TCP_UDP ++#ifdef CONFIG_SL351x_NAT_GRE ++ if (proto == IPPROTO_GRE) ++ { ++ if (gre_hdr->protocol != GRE_PROTOCOL_SWAP) ++ return; ++#ifdef NAT_DEBUG_MSG ++ nat_printf("From GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d", ++ port, ntohs(ip_hdr->id), ++ NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id), ++ NIPQUAD(ip_hdr->daddr)); ++ nat_printf("\n"); ++#endif ++ } ++ else ++#endif ++ return; ++ ++ ++ // check xport list ++ xentry = (NAT_XPORT_ENTRY_T *)&cfg->xport.entry[0]; ++ for (i=0; i<cfg->xport.total; i++, xentry++) ++ { ++ if (!xentry->protocol || xentry->protocol == proto) ++ { ++ //if (!xentry->sport_start && !xentry->dport_start) // UI take care ++ // continue; ++ if (xentry->sport_start && !((sport >= xentry->sport_start) && ++ (sport <= xentry->sport_end))) ++ continue; ++ if (xentry->dport_start && !((dport >= xentry->dport_start) ++ && (dport <= xentry->dport_end))) ++ continue; ++ return; ++ } ++ } ++ ++ nat_cb = NAT_SKB_CB(skb); ++ if (((u32)nat_cb & 3)) ++ { ++ nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__); ++ return; ++ } ++ nat_cb->tag = NAT_CB_TAG; ++ memcpy(nat_cb->sa, skb->data+6, 6); ++ nat_cb->sip = ip_hdr->saddr; ++ nat_cb->dip = ip_hdr->daddr; ++ if (proto == IPPROTO_GRE) ++ { ++ nat_cb->sport = gre_hdr->protocol; ++ nat_cb->dport = gre_hdr->call_id; ++ } ++ else ++ { ++ nat_cb->sport = tcp_hdr->source; ++ nat_cb->dport = tcp_hdr->dest; ++ } ++ nat_cb->pppoe_frame = pppoe_frame; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_output ++* Handle NAT output frames ++* Called by SL351x Driver - Transmit ++* ++* 1. If not SL351x NAT frames, return FALSE ++* 2. LAN-to-WAN frames ++* (1) Sip must be WAN IP ++* 3. If TCP SY/RST/FIN frame, return ++* 4. Build the hash key and get the hash index ++* 5. If V-Bit is ON, return. ++* 6. Write hash entry and validate it ++* ++*----------------------------------------------------------------------*/ ++int sl351x_nat_output(struct sk_buff *skb, int port) ++{ ++ struct iphdr *ip_hdr; ++ u8 proto; ++ NAT_CB_T *nat_cb; ++ ++ nat_cb = NAT_SKB_CB(skb); ++ if (nat_cb->tag != NAT_CB_TAG) ++ return 0; ++ ++ if (((u32)nat_cb & 3)) ++ { ++ nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__); ++ return 0; ++ } ++ ip_hdr = (struct iphdr *)skb->h.ipiph; ++ proto = ip_hdr->protocol; ++ ++ switch (proto) ++ { ++ case IPPROTO_TCP: ++ case IPPROTO_UDP: ++ return sl351x_nat_tcp_udp_output(skb, port); ++ case IPPROTO_GRE: ++ return sl351x_nat_gre_output(skb, port); ++ } ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_tcp_udp_output ++* Handle NAT TCP/UDP output frames ++*----------------------------------------------------------------------*/ ++int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port) ++{ ++ u32 sip, dip; ++ struct ethhdr *ether_hdr; ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ struct pppoe_hdr *pppoe_hdr; ++ NAT_CB_T *nat_cb; ++ NAT_CFG_T *cfg; ++ u8 proto; ++ u16 sport, dport, ppp_proto; ++ u32 hash_data[HASH_MAX_DWORDS]; ++ NAT_HASH_ENTRY_T *hash_entry; ++ int hash_index; ++ struct ip_conntrack *nat_ip_conntrack; ++ enum ip_conntrack_info ctinfo; ++ ++ nat_cb = NAT_SKB_CB(skb); ++ cfg = (NAT_CFG_T *)&nat_cfg; ++ ++ ether_hdr = (struct ethhdr *)skb->data; ++ ip_hdr = (struct iphdr *)skb->h.ipiph; ++ tcp_hdr = (struct tcphdr *)((u32)ip_hdr + (ip_hdr->ihl<<2)); ++ sip = ntohl(ip_hdr->saddr); ++ dip = ntohl(ip_hdr->daddr); ++ proto = ip_hdr->protocol; ++ sport = ntohs(tcp_hdr->source); ++ dport = ntohs(tcp_hdr->dest); ++ ++#ifdef NAT_DEBUG_MSG ++ { ++ nat_printf("To GMAC-%d: 0x%-4X [%d] %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]", ++ port, ntohs(ip_hdr->id), proto, ++ NIPQUAD(ip_hdr->saddr), sport, ++ NIPQUAD(ip_hdr->daddr), dport); ++ if (proto == IPPROTO_TCP) ++ { ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST"); ++ if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK"); ++ } ++ nat_printf("\n"); ++ } ++#endif ++ nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo); ++ if (!nat_ip_conntrack) ++ { ++ nat_printf("IP conntrack info is not found!\n"); ++ return 0; ++ } ++ // nat_printf("nat_ip_conntrack = 0x%x, status=0x%lx, ctinfo=%d\n", (u32)nat_ip_conntrack, nat_ip_conntrack->status, ctinfo); ++ // if (nat_ip_conntrack->master || nat_ip_conntrack->helper) ++ if (nat_ip_conntrack->helper) ++ { ++ nat_printf("Sport=%d Dport=%d master=0x%x, helper=0x%x\n", sport, dport, (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper); ++ return 0; ++ } ++ ++ //if (proto == IPPROTO_TCP && !(nat_ip_conntrack->status & IPS_ASSURED)) ++ // return 0; ++ ++#ifdef NAT_DEBUG_MSG ++ nat_printf("nat_ip_conntrack=0x%x, nat_cb->state=%d\n", (u32)nat_ip_conntrack, nat_cb->state); ++ nat_printf("lan2wan_hash_index=%d, wan2lan_hash_index=%d\n", nat_ip_conntrack->lan2wan_hash_index, nat_ip_conntrack->wan2lan_hash_index); ++ nat_printf("lan2wan_collision=%d, wan2lan_collision=%d\n", nat_ip_conntrack->lan2wan_collision, nat_ip_conntrack->wan2lan_collision); ++#endif ++ if (proto == IPPROTO_TCP) ++ { ++ if (nat_cb->state >= TCP_CONNTRACK_FIN_WAIT && nat_cb->state <= TCP_CONNTRACK_CLOSE) ++ { ++ if (nat_ip_conntrack->lan2wan_hash_index) ++ { ++#ifdef NAT_DEBUG_MSG ++ nat_printf("Invalidate LAN->WAN hash entry %d\n", nat_ip_conntrack->lan2wan_hash_index - 1); ++#endif ++ hash_nat_disable_owner(nat_ip_conntrack->lan2wan_hash_index - 1); ++ hash_invalidate_entry(nat_ip_conntrack->lan2wan_hash_index - 1); ++ nat_ip_conntrack->lan2wan_hash_index = 0; ++ } ++ if (nat_ip_conntrack->wan2lan_hash_index) ++ { ++#ifdef NAT_DEBUG_MSG ++ nat_printf("Invalidate WAN->LAN hash entry %d\n", nat_ip_conntrack->wan2lan_hash_index - 1); ++#endif ++ hash_nat_disable_owner(nat_ip_conntrack->wan2lan_hash_index - 1); ++ hash_invalidate_entry(nat_ip_conntrack->wan2lan_hash_index - 1); ++ nat_ip_conntrack->wan2lan_hash_index = 0; ++ } ++ return 0; ++ ++ } ++ else if (nat_cb->state != TCP_CONNTRACK_ESTABLISHED) ++ { ++ return 0; ++ } ++ } ++ if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST))) ++ // if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN))) ++ return 0; ++ ++ hash_entry = (NAT_HASH_ENTRY_T *)&hash_data; ++ if (port == cfg->wan_port) // LAN-to-WAN ++ { ++ if (nat_ip_conntrack->lan2wan_hash_index || nat_ip_conntrack->lan2wan_collision) ++ return 0; ++#ifndef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address ++ if (!sl351x_nat_find_ipcfg(sip, port)) ++ { ++ printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip)); ++ return 0; ++ } ++#endif ++ // Note: unused fields (including rule_id) MUST be zero ++ hash_entry->key.Ethertype = 0; ++ hash_entry->key.port_id = cfg->lan_port; ++ hash_entry->key.rule_id = 0; ++ hash_entry->key.ip_protocol = proto; ++ hash_entry->key.reserved1 = 0; ++ hash_entry->key.reserved2 = 0; ++ hash_entry->key.sip = ntohl(nat_cb->sip); ++ hash_entry->key.dip = ntohl(nat_cb->dip); ++ hash_entry->key.sport = nat_cb->sport; ++ hash_entry->key.dport = nat_cb->dport; ++ ++ hash_index = nat_build_keys(&hash_entry->key); ++ ++#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT ++ if (hash_get_nat_owner_flag(hash_index)) ++ return 0; ++#endif ++ if (hash_get_valid_flag(hash_index)) ++ { ++ nat_ip_conntrack->lan2wan_collision = 1; ++ nat_collision++; ++#if 0 ++ if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST))) ++ { ++ if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0) ++ { ++ hash_nat_disable_owner(hash_index); ++ hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW ++ // nat_printf("Invalidate nat hash entry %d\n", hash_index); ++ } ++ } ++#endif ++ return 0; ++ } ++ ++ // write hash entry ++ hash_entry->key.rule_id = cfg->tcp_udp_rule_id; ++ memcpy(hash_entry->param.da, skb->data, 6); ++ memcpy(hash_entry->param.sa, skb->data+6, 6); ++ hash_entry->param.Sip = sip; ++ hash_entry->param.Dip = dip; ++ hash_entry->param.Sport = sport; ++ hash_entry->param.Dport = dport; ++ hash_entry->param.vlan = 0; ++ hash_entry->param.sw_id = 0; ++ hash_entry->param.mtu = 0; ++ // check PPPoE ++ pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1); ++ ppp_proto = *(u16 *)&pppoe_hdr->tag[0]; ++ if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864 ++ && ppp_proto == __constant_htons(PPP_IP) ) // 0x21 ++ { ++ hash_entry->action.dword = NAT_PPPOE_LAN2WAN_ACTIONS; ++ hash_entry->param.pppoe = htons(pppoe_hdr->sid); ++ } ++ else ++ { ++ hash_entry->action.dword = NAT_LAN2WAN_ACTIONS; ++ hash_entry->param.pppoe = 0; ++ } ++ hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport); ++ hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID; ++ hash_entry->tmo.counter = hash_entry->tmo.interval = ++ (proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval; ++ nat_write_hash_entry(hash_index, hash_entry); ++ // nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index); ++ // hash_dump_entry(hash_index); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW ++ nat_ip_conntrack->lan2wan_hash_index = hash_index + 1; ++ nat_ip_conntrack->hw_nat |= 1; ++ return 0; ++ } ++ else // WAN-to-LAN ++ { ++ if (nat_ip_conntrack->wan2lan_hash_index || nat_ip_conntrack->wan2lan_collision) ++ return 0; ++ ++ // Note: unused fields (including rule_id) MUST be zero ++ hash_entry->key.Ethertype = 0; ++ hash_entry->key.port_id = cfg->wan_port; ++ hash_entry->key.rule_id = 0; ++ hash_entry->key.ip_protocol = proto; ++ hash_entry->key.reserved1 = 0; ++ hash_entry->key.reserved2 = 0; ++ hash_entry->key.sip = ntohl(nat_cb->sip); ++ hash_entry->key.dip = ntohl(nat_cb->dip); ++ hash_entry->key.sport = nat_cb->sport; ++ hash_entry->key.dport = nat_cb->dport; ++ ++ hash_index = nat_build_keys(&hash_entry->key); ++ ++#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT ++ if (hash_get_nat_owner_flag(hash_index)) ++ return 0; ++#endif ++ if (hash_get_valid_flag(hash_index)) ++ { ++ nat_ip_conntrack->wan2lan_collision = 1; ++ nat_collision++; ++#if 0 ++ if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST))) ++ { ++ if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0) ++ { ++ hash_nat_disable_owner(hash_index); ++ hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW ++ // nat_printf("Invalidate nat hash entry %d\n", hash_index); ++ } ++ } ++#endif ++ return 0; ++ } ++ ++ // write hash entry ++ hash_entry->key.rule_id = cfg->tcp_udp_rule_id; ++ memcpy(hash_entry->param.da, skb->data, 6); ++ memcpy(hash_entry->param.sa, skb->data+6, 6); ++ hash_entry->param.Sip = sip; ++ hash_entry->param.Dip = dip; ++ hash_entry->param.Sport = sport; ++ hash_entry->param.Dport = dport; ++ hash_entry->param.vlan = 0; ++ hash_entry->param.pppoe = 0; ++ hash_entry->param.sw_id = 0; ++ hash_entry->param.mtu = 0; ++ hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_WAN2LAN_ACTIONS : NAT_WAN2LAN_ACTIONS; ++ hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport); ++ hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;; ++ hash_entry->tmo.counter = hash_entry->tmo.interval = ++ (proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval; ++ nat_write_hash_entry(hash_index, hash_entry); ++ ++ // nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index); ++ // hash_dump_entry(hash_index); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW ++ nat_ip_conntrack->wan2lan_hash_index = hash_index + 1; ++ nat_ip_conntrack->hw_nat |= 2; ++ return 0; ++ } ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_gre_output ++* Handle NAT GRE output frames ++*----------------------------------------------------------------------*/ ++int sl351x_nat_gre_output(struct sk_buff *skb, int port) ++{ ++ u32 sip, dip; ++ struct ethhdr *ether_hdr; ++ struct iphdr *ip_hdr; ++ struct pppoe_hdr *pppoe_hdr; ++ GRE_PKTHDR_T *gre_hdr; ++ NAT_CB_T *nat_cb; ++ NAT_CFG_T *cfg; ++ u16 ppp_proto; ++ u32 hash_data[HASH_MAX_DWORDS]; ++ GRE_HASH_ENTRY_T *hash_entry; ++ int hash_index; ++ struct ip_conntrack *nat_ip_conntrack; ++ enum ip_conntrack_info ctinfo; ++ ++ nat_cb = NAT_SKB_CB(skb); ++ cfg = (NAT_CFG_T *)&nat_cfg; ++ ++ ether_hdr = (struct ethhdr *)skb->data; ++ ip_hdr = (struct iphdr *)skb->h.ipiph; ++ gre_hdr = (GRE_PKTHDR_T *)((u32)ip_hdr + (ip_hdr->ihl<<2)); ++ sip = ntohl(ip_hdr->saddr); ++ dip = ntohl(ip_hdr->daddr); ++ ++#ifdef NAT_DEBUG_MSG ++ { ++ nat_printf("To GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d", ++ port, ntohs(ip_hdr->id), ++ NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id), ++ NIPQUAD(ip_hdr->daddr)); ++ nat_printf("\n"); ++ } ++#endif ++ nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo); ++ if (nat_ip_conntrack) ++ { ++ // if (nat_ip_conntrack->master || nat_ip_conntrack->helper) ++ if (nat_ip_conntrack->helper) ++ { ++ nat_printf("GRE Call-ID=%d, master=0x%x, helper=0x%x\n", ntohs(gre_hdr->call_id), (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper); ++ return 0; ++ } ++ if (!(nat_ip_conntrack->status & IPS_ASSURED)) ++ return 0; ++ } ++ ++ hash_entry = (GRE_HASH_ENTRY_T *)&hash_data; ++ if (port == cfg->wan_port) // LAN-to-WAN ++ { ++#ifdef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address ++ if (!sl351x_nat_find_ipcfg(sip, port)) ++ { ++ printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip)); ++ return 0; ++ } ++#endif ++ // Note: unused fields (including rule_id) MUST be zero ++ hash_entry->key.Ethertype = 0; ++ hash_entry->key.port_id = cfg->lan_port; ++ hash_entry->key.rule_id = 0; ++ hash_entry->key.ip_protocol = IPPROTO_GRE; ++ hash_entry->key.reserved1 = 0; ++ hash_entry->key.reserved2 = 0; ++ hash_entry->key.reserved3 = 0; ++ hash_entry->key.reserved4 = 0; ++ hash_entry->key.sip = ntohl(nat_cb->sip); ++ hash_entry->key.dip = ntohl(nat_cb->dip); ++ hash_entry->key.protocol = nat_cb->sport; ++ hash_entry->key.call_id = nat_cb->dport; ++ ++ hash_index = gre_build_keys(&hash_entry->key); ++ ++#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT ++ if (hash_get_nat_owner_flag(hash_index)) ++ return 0; ++#endif ++ if (hash_get_valid_flag(hash_index)) ++ { ++ return 0; ++ } ++ ++ // write hash entry ++ hash_entry->key.rule_id = cfg->gre_rule_id; ++ memcpy(hash_entry->param.da, skb->data, 6); ++ memcpy(hash_entry->param.sa, skb->data+6, 6); ++ hash_entry->param.Sip = sip; ++ hash_entry->param.Dip = dip; ++ hash_entry->param.Sport = 0; ++ hash_entry->param.Dport = ntohs(gre_hdr->call_id); ++ hash_entry->param.vlan = 0; ++ hash_entry->param.sw_id = 0; ++ hash_entry->param.mtu = 0; ++ // check PPPoE ++ pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1); ++ ppp_proto = *(u16 *)&pppoe_hdr->tag[0]; ++ if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864 ++ && ppp_proto == __constant_htons(PPP_IP) ) // 0x21 ++ { ++ hash_entry->action.dword = NAT_PPPOE_PPTP_LAN2WAN_ACTIONS; ++ hash_entry->param.pppoe = htons(pppoe_hdr->sid); ++ } ++ else ++ { ++ hash_entry->action.dword = NAT_PPTP_LAN2WAN_ACTIONS; ++ hash_entry->param.pppoe = 0; ++ } ++ hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id)); ++ hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID; ++ hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval; ++ gre_write_hash_entry(hash_index, hash_entry); ++ // nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index); ++ // hash_dump_entry(hash_index); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW ++ return 0; ++ } ++ else // WAN-to-LAN ++ { ++ // Note: unused fields (including rule_id) MUST be zero ++ hash_entry->key.Ethertype = 0; ++ hash_entry->key.port_id = cfg->wan_port; ++ hash_entry->key.rule_id = 0; ++ hash_entry->key.ip_protocol = IPPROTO_GRE; ++ hash_entry->key.reserved1 = 0; ++ hash_entry->key.reserved2 = 0; ++ hash_entry->key.reserved3 = 0; ++ hash_entry->key.reserved4 = 0; ++ hash_entry->key.sip = ntohl(nat_cb->sip); ++ hash_entry->key.dip = ntohl(nat_cb->dip); ++ hash_entry->key.protocol = nat_cb->sport; ++ hash_entry->key.call_id = nat_cb->dport; ++ ++ hash_index = gre_build_keys(&hash_entry->key); ++ ++#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT ++ if (hash_get_nat_owner_flag(hash_index)) ++ return 0; ++#endif ++ if (hash_get_valid_flag(hash_index)) ++ { ++ return 0; ++ } ++ ++ // write hash entry ++ hash_entry->key.rule_id = cfg->gre_rule_id; ++ memcpy(hash_entry->param.da, skb->data, 6); ++ memcpy(hash_entry->param.sa, skb->data+6, 6); ++ hash_entry->param.Sip = sip; ++ hash_entry->param.Dip = dip; ++ hash_entry->param.Sport = 0; ++ hash_entry->param.Dport = ntohs(gre_hdr->call_id); ++ hash_entry->param.vlan = 0; ++ hash_entry->param.pppoe = 0; ++ hash_entry->param.sw_id = 0; ++ hash_entry->param.mtu = 0; ++ hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_PPTP_WAN2LAN_ACTIONS : NAT_PPTP_WAN2LAN_ACTIONS; ++ hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id)); ++ hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;; ++ hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval; ++ gre_write_hash_entry(hash_index, hash_entry); ++ ++ // nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index); ++ // hash_dump_entry(hash_index); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW ++ return 0; ++ } ++ return 0; ++} ++ ++ ++#ifdef _HAVE_DYNAMIC_PORT_LIST ++/*---------------------------------------------------------------------- ++* sl_nat_add_port ++*----------------------------------------------------------------------*/ ++void sl_nat_add_port(u8 protocol, u16 port) ++{ ++ int i; ++ u16 *port_ptr; ++ ++ if (protocol == IPPROTO_TCP) ++ port_ptr = dynamic_tcp_port_list; ++ else if (protocol == IPPROTO_UDP) ++ port_ptr = dynamic_udp_port_list; ++ else ++ return; ++ ++ for (i=0; *port_ptr; i++) ++ { ++ if (port == *port_ptr) ++ return; ++ port_ptr++; ++ } ++ port_ptr++; ++ *port_ptr = port; ++} ++ ++/*---------------------------------------------------------------------- ++* sl_nat_remove_port ++*----------------------------------------------------------------------*/ ++void sl_nat_remove_port(u8 protocol, u16 port) ++{ ++ int i, j; ++ u16 *port_ptr, *next; ++ ++ if (protocol == IPPROTO_TCP) ++ port_ptr = dynamic_tcp_port_list; ++ else if (protocol == IPPROTO_UDP) ++ port_ptr = dynamic_udp_port_list; ++ else ++ return; ++ ++ for (i=0; *port_ptr; i++, port_ptr++) ++ { ++ if (port == *port_ptr) ++ { ++ port_next = port_ptr + 1; ++ for (j=i+1; *port_next; i++, j++) ++ *port_ptr++ = *port_next++; ++ *port_ptr = 0; ++ return; ++ } ++ } ++} ++#endif ++ ++/*---------------------------------------------------------------------- ++* sl351x_nat_ioctl ++*----------------------------------------------------------------------*/ ++int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ++{ ++ GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv; ++ int i, j, port_id; ++ NATCMD_HDR_T nat_hdr; ++ NAT_REQ_E ctrl; ++ unsigned char *req_datap; ++ NAT_IP_ENTRY_T *ipcfg; ++ NAT_XPORT_ENTRY_T *xport_entry; ++ NAT_WRULE_ENTRY_T *wrule_entry; ++ unsigned int qid; ++ ++ if (copy_from_user((void *)&nat_hdr, rq->ifr_data, sizeof(nat_hdr))) ++ return -EFAULT; ++ req_datap = (unsigned char *)rq->ifr_data + sizeof(nat_hdr); ++ port_id = tp->port_id; ++ switch (nat_hdr.cmd) { ++ case NATSSTATUS: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_STATUS_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.status, req_datap, sizeof(ctrl.status))) ++ return -EFAULT; ++ if (ctrl.status.enable != 0 && ctrl.status.enable != 1) ++ return -EPERM; ++ // sl351x_nat_set_enabled_flag(ctrl.status.enable); ++ if (nat_cfg.enabled && (ctrl.status.enable == 0)) ++ { ++ for (i=0; i<HASH_TOTAL_ENTRIES; i++) ++ { ++ if (hash_get_nat_owner_flag(i)) ++ { ++ hash_nat_disable_owner(i); ++ hash_invalidate_entry(i); ++ } ++ } ++ } ++ nat_cfg.enabled = ctrl.status.enable; ++ break; ++ case NATGSTATUS: ++ if (nat_hdr.len != sizeof(NAT_STATUS_T)) ++ return -EPERM; ++ ctrl.status.enable = nat_cfg.enabled; ++ if (copy_to_user(req_datap, (void *)&ctrl.status, sizeof(ctrl.status))) ++ return -EFAULT; ++ break; ++ case NATSETPORT: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_PORTCFG_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.portcfg, req_datap, sizeof(ctrl.portcfg))) ++ return -EFAULT; ++ if (ctrl.portcfg.portmap == 0) ++ nat_cfg.lan_port = port_id; ++ else if (ctrl.portcfg.portmap == 1) ++ nat_cfg.wan_port = port_id; ++ else ++ return -EPERM; ++ break; ++ case NATGETPORT: ++ if (nat_hdr.len != sizeof(NAT_PORTCFG_T)) ++ return -EPERM; ++ if (nat_cfg.lan_port == port_id) ++ ctrl.portcfg.portmap = 0; ++ else if (nat_cfg.wan_port == port_id) ++ ctrl.portcfg.portmap = 1; ++ else ++ return -EPERM; ++ if (copy_to_user(req_datap, (void *)&ctrl.portcfg, sizeof(ctrl.portcfg))) ++ return -EFAULT; ++ break; ++ case NATADDIP: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_IPCFG_T)) ++ return -EPERM; ++ i = nat_cfg.ipcfg[port_id].total; ++ if (i >= CONFIG_NAT_MAX_IP_NUM) ++ return -E2BIG; ++ if (copy_from_user((void *)&nat_cfg.ipcfg[port_id].entry[i], req_datap, sizeof(NAT_IPCFG_T))) ++ return -EFAULT; ++ nat_cfg.ipcfg[port_id].total++; ++ break; ++ case NATDELIP: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_IPCFG_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.ipcfg, req_datap, sizeof(ctrl.ipcfg))) ++ return -EFAULT; ++ ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port_id].entry[0]; ++ for (i=0; i<nat_cfg.ipcfg[port_id].total; i++, ipcfg++) ++ { ++ if (ipcfg->ipaddr == ctrl.ipcfg.entry.ipaddr) ++ { ++ NAT_IP_ENTRY_T *ipcfg_next; ++ ipcfg_next = ipcfg + 1; ++ for (j=i+1; j < nat_cfg.ipcfg[port_id].total; i++, j++) ++ { ++ memcpy((void *)ipcfg, (void *)ipcfg_next, sizeof(NAT_IP_ENTRY_T)); ++ ipcfg++; ++ ipcfg_next++; ++ } ++ ipcfg->ipaddr = 0; ++ ipcfg->netmask = 0; ++ nat_cfg.ipcfg[port_id].total--; ++ return 0; ++ } ++ } ++ return -ENOENT; ++ case NATGETIP: ++ if (nat_hdr.len != sizeof(NAT_IPCFG_ALL_T)) ++ return -EPERM; ++ if (copy_to_user(req_datap, (void *)&nat_cfg.ipcfg[port_id], sizeof(NAT_IPCFG_ALL_T))) ++ return -EFAULT; ++ break; ++ case NATAXPORT: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_XPORT_T)) ++ return -EPERM; ++ i = nat_cfg.xport.total; ++ if (i >= CONFIG_NAT_MAX_XPORT) ++ return -E2BIG; ++ if (copy_from_user((void *)&nat_cfg.xport.entry[i], req_datap, sizeof(NAT_XPORT_T))) ++ return -EFAULT; ++ nat_cfg.xport.total++; ++ break; ++ case NATDXPORT: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_XPORT_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.xport, req_datap, sizeof(NAT_XPORT_T))) ++ return -EFAULT; ++ xport_entry = (NAT_XPORT_ENTRY_T *)&nat_cfg.xport.entry[0]; ++ for (i=0; i<nat_cfg.xport.total; i++, xport_entry++) ++ { ++ if (memcmp((void *)xport_entry, (void *)&ctrl.xport, sizeof(NAT_XPORT_ENTRY_T)) == 0) ++ { ++ NAT_XPORT_ENTRY_T *xport_next; ++ xport_next = xport_entry + 1; ++ for (j=i+1; j < nat_cfg.xport.total; i++, j++) ++ { ++ memcpy((void *)xport_entry, (void *)xport_next, sizeof(NAT_XPORT_ENTRY_T)); ++ xport_entry++; ++ xport_next++; ++ } ++ memset((void *)xport_entry, 0, sizeof(NAT_XPORT_ENTRY_T)); ++ nat_cfg.xport.total--; ++ return 0; ++ } ++ } ++ return -ENOENT; ++ case NATGXPORT: ++ if (nat_hdr.len != sizeof(NAT_XPORT_ALL_T)) ++ return -EPERM; ++ if (copy_to_user(req_datap, (void *)&nat_cfg.xport, sizeof(NAT_XPORT_ALL_T))) ++ return -EFAULT; ++ break; ++ case NATSWEIGHT: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_WEIGHT_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&nat_cfg.weight, req_datap, sizeof(NAT_WEIGHT_T))) ++ return -EFAULT; ++ mac_set_hw_tx_weight(dev, (char *)&nat_cfg.weight); ++ break; ++ case NATGWEIGHT: ++ if (nat_hdr.len != sizeof(NAT_WEIGHT_T)) ++ return -EPERM; ++ mac_get_hw_tx_weight(dev, (char *)&nat_cfg.weight); ++ if (copy_to_user(req_datap, (void *)&nat_cfg.weight, sizeof(NAT_WEIGHT_T))) ++ return -EFAULT; ++ break; ++ case NATAWRULE: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_WRULE_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&qid, req_datap, sizeof(qid))) ++ return -EFAULT; ++ if (qid > CONFIG_NAT_TXQ_NUM) ++ return -EPERM; ++ i = nat_cfg.wrule[qid].total; ++ if (i >= CONFIG_NAT_MAX_WRULE) ++ return -E2BIG; ++ if (copy_from_user((void *)&nat_cfg.wrule[qid].entry[i], req_datap+sizeof(qid), sizeof(NAT_WRULE_T))) ++ return -EFAULT; ++ nat_cfg.wrule[qid].total++; ++ break; ++ case NATDWRULE: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_WRULE_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.wrule, req_datap, sizeof(NAT_WRULE_T))) ++ return -EFAULT; ++ qid = ctrl.wrule.qid; ++ if (qid >= CONFIG_NAT_TXQ_NUM) ++ return -EPERM; ++ wrule_entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0]; ++ for (i=0; i<nat_cfg.wrule[qid].total; i++, wrule_entry++) ++ { ++ if (memcmp((void *)wrule_entry, (void *)&ctrl.wrule.entry, sizeof(NAT_WRULE_ENTRY_T)) == 0) ++ { ++ NAT_WRULE_ENTRY_T *wrule_next; ++ wrule_next = wrule_entry + 1; ++ for (j=i+1; j < nat_cfg.wrule[qid].total; i++, j++) ++ { ++ memcpy((void *)wrule_entry, (void *)wrule_next, sizeof(NAT_WRULE_ENTRY_T)); ++ wrule_entry++; ++ wrule_next++; ++ } ++ memset((void *)wrule_entry, 0, sizeof(NAT_WRULE_ENTRY_T)); ++ nat_cfg.wrule[qid].total--; ++ return 0; ++ } ++ } ++ return -ENOENT; ++ case NATGWRULE: ++ if (nat_hdr.len != sizeof(NAT_WRULE_ALL_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&qid, req_datap, sizeof(qid))) ++ return -EFAULT; ++ if (qid >= CONFIG_NAT_TXQ_NUM) ++ return -EPERM; ++ if (copy_to_user(req_datap, (void *)&nat_cfg.wrule[qid], sizeof(NAT_WRULE_ALL_T))) ++ return -EFAULT; ++ break; ++ case NATSDEFQ: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_QUEUE_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&nat_cfg.default_hw_txq, req_datap, sizeof(u32))) ++ return -EFAULT; ++ break; ++ case NATGDEFQ: ++ if (nat_hdr.len != sizeof(NAT_QUEUE_T)) ++ return -EPERM; ++ if (copy_to_user(req_datap, (void *)&nat_cfg.default_hw_txq, sizeof(u32))) ++ return -EFAULT; ++ case NATRMIPCFG: ++ nat_cfg.ipcfg[port_id].total = 0; ++ break; ++ case NATTESTENTRY: ++ if (!capable(CAP_NET_ADMIN)) ++ return -EPERM; ++ if (nat_hdr.len != sizeof(NAT_TESTENTRY_T)) ++ return -EPERM; ++ if (copy_from_user((void *)&ctrl.init_entry, req_datap, sizeof(ctrl.init_entry))) ++ return -EFAULT; ++ if (ctrl.init_entry.init_enable != 0 && ctrl.init_entry.init_enable != 1) ++ return -EPERM; ++ nat_cfg.init_enabled = ctrl.init_entry.init_enable; ++ break; ++ ++ default: ++ return -EPERM; ++ } ++ ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* nat_init_test_entry ++* Initialize NAT test hash entries ++* ++* SmartBits P1 -----> Lepus GMAC 0 --------------+ ++* | ++* | ++* P3 <----- Lepus GMAC 1 -- HW TxQ0 <--+ ++* -- HW TxQ1 <--+ ++* -- HW TxQ2 <--+ ++* -- HW TxQ3 <--+ ++* ++* SmartBits P1 <----- Lepus GMAC 0 -- HW TxQ0 <--+ ++* -- HW TxQ1 <--+ ++* -- HW TxQ2 <--+ ++* -- HW TxQ3 <--+ ++* | ++* | ++* P3 -----> Lepus GMAC 1 --------------+ ++* ++* LAN GMAC0 <--------------------------------------------> GMAC1 WAN ++* 192.168.[x].[y]:50 --> 168.95.[x].[y]:80 ---TXQ[y-1]---> 192.168.2.254:200[y] --> 168.95.[x].[y]:80 ++* 192.168.[x].[y]:50 <-- 168.95.[x].[y]:80 <--TXQ[y-1]---- 192.168.2.254:200[y] <-- 168.95.[x].[y]:80 ++* where: ++* [x] : Packet Type ++* [y] : Tx Queue, 1 for TxQ0, 2 for TxQ1, 3 for TxQ2, 4 for TxQ3, ++* ++* ++* Packet Type: ++* 1. TCP Frames <---> TCP Frames ++* LAN GMAC0 <--------------------------------> GMAC1 WAN ++* 192.168.1.1:50 --> 168.95.1.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.1.1:80 ++* 192.168.1.1:50 <-- 168.95.1.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.1.1:80 ++* ++* 192.168.1.2:50 --> 168.95.1.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.1.2:80 ++* 192.168.1.2:50 <-- 168.95.1.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.1.2:80 ++* ++* 192.168.1.3:50 --> 168.95.1.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.1.3:80 ++* 192.168.1.3:50 <-- 168.95.1.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.1.3:80 ++* ++* 192.168.1.4:50 --> 168.95.1.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.1.4:80 ++* 192.168.1.4:50 <-- 168.95.1.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.1.4:80 ++* ++* 2 TCP Frames <----> PPPoE + TCP Frames ++* LAN GMAC0 <--------------------------------> GMAC1 WAN ++* 192.168.2.1:50 --> 168.95.2.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.2.1:80 ++* 192.168.2.1:50 <-- 168.95.2.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.2.1:80 ++* ++* 192.168.2.2:50 --> 168.95.2.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.2.2:80 ++* 192.168.2.2:50 <-- 168.95.2.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.2.2:80 ++* ++* 192.168.2.3:50 --> 168.95.2.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.2.3:80 ++* 192.168.2.3:50 <-- 168.95.2.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.2.3:80 ++* ++* 192.168.2.4:50 --> 168.95.2.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.2.4:80 ++* 192.168.2.4:50 <-- 168.95.2.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.2.4:80 ++* ++* 3 TCP Frames <----> VLAN + PPPoE + TCP Frames ++* LAN GMAC0 <--------------------------------> GMAC1 WAN ++* 192.168.3.1:50 --> 168.95.3.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.3.1:80 ++* 192.168.3.1:50 <-- 168.95.3.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.3.1:80 ++* ++* 192.168.3.2:50 --> 168.95.3.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.3.2:80 ++* 192.168.3.2:50 <-- 168.95.3.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.3.2:80 ++* ++* 192.168.3.3:50 --> 168.95.3.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.3.3:80 ++* 192.168.3.3:50 <-- 168.95.3.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.3.3:80 ++* ++* 192.168.3.4:50 --> 168.95.3.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.3.4:80 ++* 192.168.3.4:50 <-- 168.95.3.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.3.4:80 ++* ++* 4 VLAN-A + TCP Frames <----> VLAN-B + PPPoE + TCP Frames ++* LAN GMAC0 <--------------------------------> GMAC1 WAN ++* 192.168.4.1:50 --> 168.95.4.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.4.1:80 ++* 192.168.4.1:50 <-- 168.95.4.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.4.1:80 ++* ++* 192.168.4.2:50 --> 168.95.4.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.4.2:80 ++* 192.168.4.2:50 <-- 168.95.4.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.4.2:80 ++* ++* 192.168.4.3:50 --> 168.95.4.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.4.3:80 ++* 192.168.4.3:50 <-- 168.95.4.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.4.3:80 ++* ++* 192.168.4.4:50 --> 168.95.4.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.4.4:80 ++* 192.168.4.4:50 <-- 168.95.4.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.4.4:80 ++* ++* ++* ++*----------------------------------------------------------------------*/ ++#ifdef SL351x_NAT_TEST_BY_SMARTBITS ++#define NAT_IPIV(a,b,c,d) ((a<<24)+(b<<16)+(c<<8)+d) ++#define NAT_TEST_CLIENT_IP NAT_IPIV(192,168,1,1) ++#define NAT_TEST_SERVER_IP NAT_IPIV(168,95,1,1) ++#define NAT_TEST_LAN_IP NAT_IPIV(192,168,1,254) ++#define NAT_TEST_WAN_IP NAT_IPIV(192,168,2,254) ++#define NAT_TEST_MAP_PORT_BASE 2001 ++#define NAT_TEST_SPORT 50 ++#define NAT_TEST_DPORT 80 ++#define NAT_TEST_PROTOCOL 6 ++u8 nat_test_lan_target_da[6]={0x00,0x11,0x22,0x33,0x44,0x55}; ++u8 nat_test_wan_target_da[6]={0x00,0xaa,0xbb,0xcc,0xdd,0xee}; ++u8 nat_test_lan_my_da[6]={0x00,0x11,0x11,0x11,0x11,0x11}; ++u8 nat_test_wan_my_da[6]={0x00,0x22,0x22,0x22,0x22,0x22}; ++static void nat_init_test_entry(void) ++{ ++ int i, j ; ++ NAT_HASH_ENTRY_T *hash_entry; ++ u32 sip, dip; ++ u32 hash_data[HASH_MAX_DWORDS]; ++ NAT_CFG_T *cfg; ++ int hash_index; ++ ++ cfg = (NAT_CFG_T *)&nat_cfg; ++ hash_entry = (NAT_HASH_ENTRY_T *)&hash_data; ++ hash_entry->key.Ethertype = 0; ++ hash_entry->key.rule_id = 0; ++ hash_entry->key.ip_protocol = IPPROTO_TCP; ++ hash_entry->key.reserved1 = 0; ++ hash_entry->key.reserved2 = 0; ++ // hash_entry->key.sip = NAT_TEST_CLIENT_IP; ++ // hash_entry->key.dip = NAT_TEST_SERVER_IP; ++ hash_entry->key.sport = htons(NAT_TEST_SPORT); ++ hash_entry->key.dport = htons(NAT_TEST_DPORT); ++ hash_entry->key.rule_id = cfg->tcp_udp_rule_id; ++ hash_entry->action.dword = NAT_LAN2WAN_ACTIONS; ++ ++ sip = NAT_TEST_CLIENT_IP; ++ dip = NAT_TEST_SERVER_IP; ++ ++ // Init TCP <------> TCP hash entries ++ // LAN --> WAN ++ // (1) TCP --> TCP ++ // (2) TCP --> PPPoE + TCP ++ // (3) TCP --> VLAN-B + PPPoE + TCP ++ // (4) TCP + VLAN-A --> VLAN-B + PPPoE + TCP ++ memcpy(hash_entry->param.da, nat_test_wan_target_da, 6); ++ memcpy(hash_entry->param.sa, nat_test_wan_my_da, 6); ++ hash_entry->key.port_id = cfg->lan_port; ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ if (i < 2) ++ { ++ hash_entry->action.bits.dest_qid = i+2; ++ } ++ else ++ { ++ hash_entry->action.bits.dest_qid = i; ++ } ++ hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID; ++ hash_entry->param.Sport = NAT_TEST_MAP_PORT_BASE+i; ++ hash_entry->param.Dport = NAT_TEST_DPORT; ++ for (j=0; j<4; j++) ++ { ++ hash_entry->key.sip = sip + i + j*0x100; ++ hash_entry->key.dip = dip + i + j*0x100; ++ hash_entry->param.Dip = hash_entry->key.dip; ++ hash_entry->param.Sip = NAT_TEST_WAN_IP; ++ switch (j) ++ { ++ case 0: ++ hash_entry->action.bits.pppoe = 0; ++ hash_entry->param.pppoe = 0; ++ hash_entry->action.bits.vlan = 0; ++ hash_entry->param.vlan = 0; ++ break; ++ case 1: ++ hash_entry->action.bits.pppoe = 1; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 0; ++ hash_entry->param.vlan = 0; ++ break; ++ case 2: ++ hash_entry->action.bits.pppoe = 1; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 1; ++ hash_entry->param.vlan = i+10; ++ break; ++ case 3: ++ hash_entry->action.bits.pppoe = 1; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 1; ++ hash_entry->param.vlan = i+10; ++ break; ++ } ++ hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff; ++ hash_index = nat_build_keys(&hash_entry->key); ++ nat_write_hash_entry(hash_index, hash_entry); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW ++ } ++ } ++ ++ ++ // WAN --> LAN ++ hash_entry->key.port_id = cfg->wan_port; ++ hash_entry->key.sport = htons(NAT_TEST_DPORT); ++ hash_entry->key.dport = htons(NAT_TEST_DPORT); ++ hash_entry->key.rule_id = cfg->tcp_udp_rule_id; ++ hash_entry->action.dword = NAT_WAN2LAN_ACTIONS; ++ hash_entry->key.sport = htons(NAT_TEST_DPORT); ++ memcpy(hash_entry->param.da, nat_test_lan_target_da, 6); ++ memcpy(hash_entry->param.sa, nat_test_lan_my_da, 6); ++ for (i=0; i<TOE_HW_TXQ_NUM; i++) ++ { ++ hash_entry->key.dport = htons(NAT_TEST_MAP_PORT_BASE + i); ++ if (i < 2) ++ { ++ hash_entry->action.bits.dest_qid = i+2; ++ } ++ else ++ { ++ hash_entry->action.bits.dest_qid = i; ++ } ++ hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID; ++ hash_entry->param.Dport = NAT_TEST_SPORT; ++ hash_entry->param.Sport = NAT_TEST_DPORT; ++ hash_entry->param.da[5] = i; ++ for (j=0; j<4; j++) ++ { ++ hash_entry->key.sip = (dip + i + j*0x100); ++ hash_entry->key.dip = (NAT_TEST_WAN_IP); ++ hash_entry->param.Sip = hash_entry->key.sip; ++ hash_entry->param.Dip = sip + i + j*0x100; ++ switch (j) ++ { ++ case 0: ++ hash_entry->action.bits.pppoe = 0; ++ hash_entry->param.pppoe = 0; ++ hash_entry->action.bits.vlan = 0; ++ hash_entry->param.vlan = 0; ++ break; ++ case 1: ++ hash_entry->action.bits.pppoe = 2; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 0; ++ hash_entry->param.vlan = 0; ++ break; ++ case 2: ++ hash_entry->action.bits.pppoe = 2; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 2; ++ hash_entry->param.vlan = i+5; ++ break; ++ case 3: ++ hash_entry->action.bits.pppoe = 1; ++ hash_entry->param.pppoe = i+1; ++ hash_entry->action.bits.vlan = 1; ++ hash_entry->param.vlan = i+5; ++ break; ++ } ++ hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff; ++ hash_index = nat_build_keys(&hash_entry->key); ++ nat_write_hash_entry(hash_index, hash_entry); ++ hash_nat_enable_owner(hash_index); ++ hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW ++ } ++ } ++} ++#endif // SL351x_NAT_TEST_BY_SMARTBITS ++ ++#endif // CONFIG_SL351x_NAT ++ +--- /dev/null ++++ b/drivers/net/sl351x_proc.c +@@ -0,0 +1,578 @@ ++/**************************************************************************** ++* Copyright 2006 Storlink Corp. All rights reserved. ++*---------------------------------------------------------------------------- ++* Name : sl351x_proc.c ++* Description : ++* Handle Proc Routines for Storlink SL351x Platform ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* 04/13/2006 Gary Chen Create and implement ++* ++* ++****************************************************************************/ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch/irqs.h> ++#include <asm/arch/it8712.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/skbuff.h> ++#include <linux/if_ether.h> ++#include <linux/if_pppox.h> ++#include <linux/in.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/ppp_defs.h> ++#ifdef CONFIG_NETFILTER ++// #include <linux/netfilter_ipv4/ip_conntrack.h> ++#endif ++#include <linux/proc_fs.h> ++#include <linux/seq_file.h> ++#include <linux/percpu.h> ++#ifdef CONFIG_SYSCTL ++#include <linux/sysctl.h> ++#endif ++ ++#define MIDWAY ++#define SL_LEPUS ++ ++// #define PROC_DEBUG_MSG 1 ++ ++#include <asm/arch/sl2312.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <asm/arch/sl351x_hash_cfg.h> ++#include <asm/arch/sl351x_nat_cfg.h> ++#include <asm/arch/sl351x_toe.h> ++ ++#ifdef CONFIG_PROC_FS ++/*---------------------------------------------------------------------- ++* Definition ++*----------------------------------------------------------------------*/ ++#define proc_printf printk ++#define SL351x_GMAC_PROC_NAME "sl351x_gmac" ++#define SL351x_NAT_PROC_NAME "sl351x_nat" ++#define SL351x_TOE_PROC_NAME "sl351x_toe" ++ ++/*---------------------------------------------------------------------- ++* Function Definition ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static int nat_ct_open(struct inode *inode, struct file *file); ++static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos); ++static void nat_ct_seq_stop(struct seq_file *s, void *v); ++static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos); ++static int nat_ct_seq_show(struct seq_file *s, void *v); ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++static int toe_ct_open(struct inode *inode, struct file *file); ++static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos); ++static void toe_ct_seq_stop(struct seq_file *s, void *v); ++static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos); ++static int toe_ct_seq_show(struct seq_file *s, void *v); ++extern int sl351x_get_toe_conn_flag(int index); ++extern struct toe_conn * sl351x_get_toe_conn_info(int index); ++#endif ++ ++static int gmac_ct_open(struct inode *inode, struct file *file); ++static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos); ++static void gmac_ct_seq_stop(struct seq_file *s, void *v); ++static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos); ++static int gmac_ct_seq_show(struct seq_file *s, void *v); ++ ++ ++/*---------------------------------------------------------------------- ++* Data ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SYSCTL ++// static struct ctl_table_header *nat_ct_sysctl_header; ++#endif ++ ++#ifdef CONFIG_SL351x_NAT ++static struct seq_operations nat_ct_seq_ops = { ++ .start = nat_ct_seq_start, ++ .next = nat_ct_seq_next, ++ .stop = nat_ct_seq_stop, ++ .show = nat_ct_seq_show ++}; ++ ++static struct file_operations nat_file_ops= { ++ .owner = THIS_MODULE, ++ .open = nat_ct_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = seq_release ++}; ++#endif // CONFIG_SL351x_NAT ++ ++#ifdef CONFIG_SL351x_RXTOE ++static struct seq_operations toe_ct_seq_ops = { ++ .start = toe_ct_seq_start, ++ .next = toe_ct_seq_next, ++ .stop = toe_ct_seq_stop, ++ .show = toe_ct_seq_show ++}; ++ ++static struct file_operations toe_file_ops= { ++ .owner = THIS_MODULE, ++ .open = toe_ct_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = seq_release ++}; ++#endif ++ ++static struct seq_operations gmac_ct_seq_ops = { ++ .start = gmac_ct_seq_start, ++ .next = gmac_ct_seq_next, ++ .stop = gmac_ct_seq_stop, ++ .show = gmac_ct_seq_show ++}; ++ ++static struct file_operations gmac_file_ops= { ++ .owner = THIS_MODULE, ++ .open = gmac_ct_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = seq_release ++}; ++ ++#ifdef SL351x_GMAC_WORKAROUND ++extern u32 gmac_workaround_cnt[4]; ++extern u32 gmac_short_frame_workaround_cnt[2]; ++#ifdef CONFIG_SL351x_NAT ++ extern u32 sl351x_nat_workaround_cnt; ++#endif ++#endif
++/*---------------------------------------------------------------------- ++* nat_ct_open ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static int nat_ct_open(struct inode *inode, struct file *file) ++{ ++ return seq_open(file, &nat_ct_seq_ops); ++} ++#endif // CONFIG_SL351x_NAT ++/*---------------------------------------------------------------------- ++* nat_ct_seq_start ++* find the first ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos) ++{ ++ int i; ++ ++ // proc_printf("%s: *pos=%d\n", __func__, (int)*pos); ++ for (i=*pos; i<HASH_TOTAL_ENTRIES; i++) ++ { ++ if (hash_get_nat_owner_flag(i)) ++ { ++ *pos = i; ++ return (void *)(i+1); ++ } ++ } ++ return NULL; ++} ++#endif // CONFIG_SL351x_NAT ++/*---------------------------------------------------------------------- ++* nat_ct_seq_stop ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static void nat_ct_seq_stop(struct seq_file *s, void *v) ++{ ++} ++#endif // CONFIG_SL351x_NAT ++/*---------------------------------------------------------------------- ++* nat_ct_seq_next ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos) ++{ ++ int i; ++ ++ // proc_printf("%s: *pos=%d\n", __func__, (int)*pos); ++ (*pos)++; ++ for (i=*pos; i<HASH_TOTAL_ENTRIES; i++) ++ { ++ if (hash_get_nat_owner_flag(i)) ++ { ++ *pos = i; ++ return (void *)(i+1); ++ } ++ } ++ return NULL; ++} ++#endif // CONFIG_SL351x_NAT ++/*---------------------------------------------------------------------- ++* nat_ct_seq_show ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_NAT ++static int nat_ct_seq_show(struct seq_file *s, void *v) ++{ ++ int idx; ++ NAT_HASH_ENTRY_T *nat_entry; ++ GRE_HASH_ENTRY_T *gre_entry; ++ ++ idx = (int)v; ++ if (idx<=0 || idx >HASH_TOTAL_ENTRIES) ++ return -ENOSPC; ++ ++ idx--; ++ nat_entry = (NAT_HASH_ENTRY_T *)&hash_tables[idx]; ++ gre_entry = (GRE_HASH_ENTRY_T *)nat_entry; ++ if (nat_entry->key.ip_protocol == IPPROTO_GRE) ++ { ++ if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u\n", ++ idx, gre_entry->key.port_id, gre_entry->key.ip_protocol, ++ HIPQUAD(gre_entry->key.sip), ntohs(gre_entry->key.call_id), ++ HIPQUAD(gre_entry->key.dip))) ++ return -ENOSPC; ++ if (seq_printf(s, " PARAMETER: %u.%u.%u.%u -->%u.%u.%u.%u [%u] Timeout:%ds\n", ++ HIPQUAD(gre_entry->param.Sip), ++ HIPQUAD(gre_entry->param.Dip), gre_entry->param.Dport, ++ gre_entry->tmo.counter)) ++ return -ENOSPC; ++ } ++ else ++ { ++ if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n", ++ idx, nat_entry->key.port_id, nat_entry->key.ip_protocol, ++ HIPQUAD(nat_entry->key.sip), ntohs(nat_entry->key.sport), ++ HIPQUAD(nat_entry->key.dip), ntohs(nat_entry->key.dport))) ++ return -ENOSPC; ++ if (seq_printf(s, " PARAMETER: %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u] Timeout:%ds\n", ++ HIPQUAD(nat_entry->param.Sip), nat_entry->param.Sport, ++ HIPQUAD(nat_entry->param.Dip), nat_entry->param.Dport, ++ nat_entry->tmo.counter)) ++ return -ENOSPC; ++ } ++ return 0; ++} ++#endif // CONFIG_SL351x_NAT ++ ++/*---------------------------------------------------------------------- ++* toe_ct_open ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static int toe_ct_open(struct inode *inode, struct file *file) ++{ ++ return seq_open(file, &toe_ct_seq_ops); ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_ct_seq_start ++* find the first ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos) ++{ ++ int i; ++ ++ // proc_printf("%s: *pos=%d\n", __func__, (int)*pos); ++ for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++) ++ { ++ if (sl351x_get_toe_conn_flag(i)) ++ { ++ *pos = i; ++ return (void *)(i+1); ++ } ++ } ++ return NULL; ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_ct_seq_stop ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static void toe_ct_seq_stop(struct seq_file *s, void *v) ++{ ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_ct_seq_next ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos) ++{ ++ int i; ++ ++ // proc_printf("%s: *pos=%d\n", __func__, (int)*pos); ++ (*pos)++; ++ for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++) ++ { ++ if (sl351x_get_toe_conn_flag(i)) ++ { ++ *pos = i; ++ return (void *)(i+1); ++ } ++ } ++ return NULL; ++} ++#endif ++/*---------------------------------------------------------------------- ++* toe_ct_seq_show ++*----------------------------------------------------------------------*/ ++#ifdef CONFIG_SL351x_RXTOE ++static int toe_ct_seq_show(struct seq_file *s, void *v) ++{ ++ int idx; ++ struct toe_conn *toe_entry; ++ ++ idx = (int)v; ++ if (idx<=0 || idx >TOE_TOE_QUEUE_NUM) ++ return -ENOSPC; ++ ++ idx--; ++ toe_entry = (struct toe_conn *)sl351x_get_toe_conn_info(idx); ++ if (!toe_entry) ++ return -ENOSPC; ++ ++ if (seq_printf(s, "%4d: Qid %d MAC-%d TCP %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n", ++ idx, toe_entry->qid, toe_entry->gmac->port_id, ++ NIPQUAD(toe_entry->saddr[0]), ntohs(toe_entry->source), ++ NIPQUAD(toe_entry->daddr[0]), ntohs(toe_entry->dest))) ++ return -ENOSPC; ++ return 0; ++} ++#endif ++/*---------------------------------------------------------------------- ++* gmac_ct_open ++*----------------------------------------------------------------------*/ ++static int gmac_ct_open(struct inode *inode, struct file *file) ++{ ++ return seq_open(file, &gmac_ct_seq_ops); ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_ct_seq_start ++* find the first ++*----------------------------------------------------------------------*/ ++static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos) ++{ ++ int i; ++ i = (int)*pos + 1;; ++ ++ if (i > 9) ++ return NULL; ++ else ++ return (void *)i; ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_ct_seq_stop ++*----------------------------------------------------------------------*/ ++static void gmac_ct_seq_stop(struct seq_file *s, void *v) ++{ ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_ct_seq_next ++*----------------------------------------------------------------------*/ ++static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos) ++{ ++ int i; ++ ++ // proc_printf("%s: *pos=%d\n", __func__, (int)*pos); ++ ++ (*pos)++; ++ i = (int)*pos + 1;; ++ ++ if (i > 9) ++ return NULL; ++ else ++ return (void *)i; ++} ++ ++/*---------------------------------------------------------------------- ++* seq_dm_long ++*----------------------------------------------------------------------*/ ++static void seq_dm_long(struct seq_file *s, u32 location, int length) ++{ ++ u32 *start_p, *curr_p, *end_p; ++ u32 *datap, data; ++ int i; ++ ++ //if (length > 1024) ++ // length = 1024; ++ ++ start_p = (u32 *)location; ++ end_p = (u32 *)location + length; ++ curr_p = (u32 *)((u32)location & 0xfffffff0); ++ datap = (u32 *)location; ++ while (curr_p < end_p) ++ { ++ cond_resched(); ++ seq_printf(s, "0x%08x: ",(u32)curr_p & 0xfffffff0); ++ for (i=0; i<4; i++) ++ { ++ if (curr_p < start_p || curr_p >= end_p) ++ seq_printf(s, " "); ++ else ++ { ++ data = *datap; ++ seq_printf(s, "%08X ", data); ++ } ++ if (i==1) ++ seq_printf(s, "- "); ++ ++ curr_p++; ++ datap++; ++ } ++ seq_printf(s, "\n"); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* gmac_ct_seq_show ++*----------------------------------------------------------------------*/ ++static int gmac_ct_seq_show(struct seq_file *s, void *v) ++{ ++ switch ((int)v) ++ { ++ case 1: ++ seq_printf(s, "\nGMAC Global Registers\n"); ++ seq_dm_long(s, TOE_GLOBAL_BASE, 32); ++ break; ++ case 2: ++ seq_printf(s, "\nGMAC Non-TOE Queue Header\n"); ++ seq_dm_long(s, TOE_NONTOE_QUE_HDR_BASE, 12); ++ break; ++ case 3: ++ seq_printf(s, "\nGMAC TOE Queue Header\n"); ++ seq_dm_long(s, TOE_TOE_QUE_HDR_BASE, 12); ++ break; ++ case 4: ++ seq_printf(s, "\nGMAC-0 DMA Registers\n"); ++ seq_dm_long(s, TOE_GMAC0_DMA_BASE, 52); ++ break; ++ case 5: ++ seq_printf(s, "\nGMAC-0 Registers\n"); ++ seq_dm_long(s, TOE_GMAC0_BASE, 32); ++ break; ++ case 6: ++ seq_printf(s, "\nGMAC-1 DMA Registers\n"); ++ seq_dm_long(s, TOE_GMAC1_DMA_BASE, 52); ++ break; ++ case 7: ++ seq_printf(s, "\nGMAC-1 Registers\n"); ++ seq_dm_long(s, TOE_GMAC1_BASE, 32); ++ break; ++ case 8: ++ seq_printf(s, "\nGLOBAL Registers\n"); ++ seq_dm_long(s, GMAC_GLOBAL_BASE_ADDR, 16); ++ break; ++ case 9: ++#ifdef SL351x_GMAC_WORKAROUND ++ seq_printf(s, "\nGMAC-0 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[0], gmac_workaround_cnt[1], gmac_short_frame_workaround_cnt[0]); ++ seq_printf(s, "GMAC-1 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[2], gmac_workaround_cnt[3], gmac_short_frame_workaround_cnt[1]); ++#ifdef CONFIG_SL351x_NAT ++ seq_printf(s, "NAT Workaround: %u\n", sl351x_nat_workaround_cnt); ++#endif ++#endif ++ break; ++ default: ++ return -ENOSPC; ++ } ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* init ++*----------------------------------------------------------------------*/ ++static int __init init(void) ++{ ++ struct proc_dir_entry *proc_gmac=NULL; ++ ++#ifdef CONFIG_SL351x_NAT ++ struct proc_dir_entry *proc_nat=NULL; ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++ struct proc_dir_entry *proc_toe=NULL; ++#endif ++ ++#ifdef CONFIG_SYSCTL ++ // nat_ct_sysctl_header = NULL; ++#endif ++ proc_gmac = proc_net_fops_create(SL351x_GMAC_PROC_NAME, 0440, &gmac_file_ops); ++ if (!proc_gmac) goto init_bad; ++ ++#ifdef CONFIG_SL351x_NAT ++ proc_nat = proc_net_fops_create(SL351x_NAT_PROC_NAME, 0440, &nat_file_ops); ++ if (!proc_nat) goto init_bad; ++#endif // CONFIG_SL351x_NAT ++ ++#ifdef CONFIG_SL351x_RXTOE ++ proc_toe = proc_net_fops_create(SL351x_TOE_PROC_NAME, 0440, &toe_file_ops); ++ if (!proc_toe) goto init_bad; ++#endif ++ ++#ifdef CONFIG_SYSCTL ++ // nat_ct_sysctl_header = register_sysctl_table(nat_ct_net_table, 0); ++ // if (!nat_ct_sysctl_header) goto init_bad; ++#endif ++ ++ return 0; ++ ++init_bad: ++ if (proc_gmac) proc_net_remove(SL351x_GMAC_PROC_NAME); ++ ++#ifdef CONFIG_SL351x_NAT ++ if (proc_nat) proc_net_remove(SL351x_NAT_PROC_NAME); ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++ if (proc_toe) proc_net_remove(SL351x_NAT_PROC_NAME); ++#endif ++ ++#ifdef CONFIG_SYSCTL ++ // if (nat_ct_sysctl_header) unregister_sysctl_table(nat_ct_sysctl_header); ++#endif ++ proc_printf("SL351x NAT Proc: can't create proc or register sysctl.\n"); ++ return -ENOMEM; ++} ++ ++/*---------------------------------------------------------------------- ++* fini ++*----------------------------------------------------------------------*/ ++static void __exit fini(void) ++{ ++ proc_net_remove(SL351x_GMAC_PROC_NAME); ++ ++#ifdef CONFIG_SL351x_NAT ++ proc_net_remove(SL351x_NAT_PROC_NAME); ++#endif ++ ++#ifdef CONFIG_SL351x_RXTOE ++ proc_net_remove(SL351x_TOE_PROC_NAME); ++#endif ++ ++#ifdef CONFIG_SYSCTL ++ // unregister_sysctl_table(nat_ct_sysctl_header); ++#endif ++} ++ ++/*---------------------------------------------------------------------- ++* module ++*----------------------------------------------------------------------*/ ++module_init(init); ++module_exit(fini); ++ ++#endif // CONFIG_PROC_FS +--- /dev/null ++++ b/drivers/net/sl351x_toe.c +@@ -0,0 +1,1083 @@ ++/************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl351x_toe.c ++* Description : ++* Provide TOE routines for SL351x ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* Xiaochong ++* ++****************************************************************************/ ++ ++#include <linux/pci.h> ++#include <linux/ip.h> ++#include <linux/ipv6.h> ++#include <linux/tcp.h> ++#include <linux/slab.h> ++#include <linux/etherdevice.h> ++#include <asm/io.h> ++#include <linux/sysctl_storlink.h> ++#include <net/tcp.h> ++#include <linux/if_ether.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <asm/arch/sl351x_toe.h> ++#include <asm/arch/sl351x_hash_cfg.h> ++#include <asm/arch/sl351x_nat_cfg.h> ++ ++static int in_toe_isr; ++static int toe_initialized=0; ++ ++static struct toe_conn toe_connections[TOE_TOE_QUEUE_NUM]; ++EXPORT_SYMBOL(toe_connections); ++static __u32 toe_connection_bits[TOE_TOE_QUEUE_NUM/32] __attribute__ ((aligned(16))); ++struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr, INTR_QHDR_T *intr_curr_desc); ++ ++extern struct storlink_sysctl storlink_ctl; ++extern TOE_INFO_T toe_private_data; ++extern spinlock_t gmac_fq_lock; ++extern void mac_write_dma_reg(int mac, unsigned int offset, u32 data); ++extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2); ++extern int hash_add_toe_entry(HASH_ENTRY_T *entry); ++extern void toe_gmac_fill_free_q(void); ++ ++#define _DEBUG_SKB_ 1 ++#ifdef _DEBUG_SKB_ ++/*--------------------------------------------------------------------------- ++ * _debug_skb ++ *-------------------------------------------------------------------------*/ ++static inline void _debug_skb(struct sk_buff *skb, GMAC_RXDESC_T *toe_curr_desc, u32 data) ++{ ++ if ((u32)skb < 0x1000) ++ { ++ printk("%s skb=%x\n", __func__, (u32)skb); ++ while(1); ++ } ++ REG32(__va(toe_curr_desc->word2.buf_adr)-SKB_RESERVE_BYTES) = data; ++} ++#else ++#define _debug_skb(x, y, z) ++#endif ++ ++/*--------------------------------------------------------------------------- ++ * get_connection_seq_num ++ *-------------------------------------------------------------------------*/ ++u32 get_connection_seq_num(unsigned short qid) ++{ ++ TOE_QHDR_T *toe_qhdr; ++ ++ toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE; ++ toe_qhdr += qid; ++ return (u32)toe_qhdr->word3.seq_num; ++} ++EXPORT_SYMBOL(get_connection_seq_num); ++ ++/*--------------------------------------------------------------------------- ++ * get_connection_ack_num ++ *-------------------------------------------------------------------------*/ ++u32 get_connection_ack_num(unsigned short qid) ++{ ++ TOE_QHDR_T *toe_qhdr; ++ ++ toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE; ++ toe_qhdr += qid; ++ return (u32)toe_qhdr->word4.ack_num; ++} ++EXPORT_SYMBOL(get_connection_ack_num); ++ ++/*--------------------------------------------------------------------------- ++ * dump_toe_qhdr ++ *-------------------------------------------------------------------------*/ ++void dump_toe_qhdr(TOE_QHDR_T *toe_qhdr) ++{ ++ printk("TOE w1 %x, w2 %x, w3 %x\n", toe_qhdr->word1.bits32, ++ toe_qhdr->word2.bits32, toe_qhdr->word3.bits32); ++ printk("w4 %x, w5 %x, w6 %x\n", toe_qhdr->word4.bits32, ++ toe_qhdr->word5.bits32, toe_qhdr->word6.bits32); ++} ++ ++/*--------------------------------------------------------------------------- ++ * dump_intrq_desc ++ *-------------------------------------------------------------------------*/ ++void dump_intrq_desc(INTR_QHDR_T *intr_curr_desc) ++{ ++ printk("INTR w0 %x, w1 %x, seq %x\n", intr_curr_desc->word0.bits32, ++ intr_curr_desc->word1.bits32, intr_curr_desc->word2.bits32); ++ printk("ack %x, w4 %x\n", intr_curr_desc->word3.bits32, ++ intr_curr_desc->word4.bits32); ++} ++ ++/*--------------------------------------------------------------------------- ++ * This routine will initialize a TOE matching rule ++ * called by SL351x GMAC driver. ++ *-------------------------------------------------------------------------*/ ++void sl351x_toe_init(void) ++{ ++ GMAC_MRxCR0_T mrxcr0; ++ GMAC_MRxCR1_T mrxcr1; ++ GMAC_MRxCR2_T mrxcr2; ++ int rule, rc; ++ ++ if (toe_initialized) ++ return; ++ ++ toe_initialized = 1; ++ ++#ifndef CONFIG_SL351x_NAT ++ mrxcr0.bits32 = 0; ++ mrxcr1.bits32 = 0; ++ mrxcr2.bits32 = 0; ++ mrxcr0.bits.l3 = 1; ++ mrxcr0.bits.l4 = 1; ++ mrxcr1.bits.sip = 1; ++ mrxcr1.bits.dip = 1; ++ mrxcr1.bits.l4_byte0_15 = 0x0f; ++ mrxcr0.bits.sprx = 1; ++ rule = 0; ++ rc = mac_set_rule_reg(0, rule, 1, mrxcr0.bits32, mrxcr1.bits32, ++ mrxcr2.bits32); ++ if (rc<0) { ++ printk("%s::Set MAC 0 rule fail!\n", __func__); ++ } ++ rc = mac_set_rule_reg(1, rule, 1, mrxcr0.bits32, mrxcr1.bits32, ++ mrxcr2.bits32); ++ if (rc<0) { ++ printk("%s::Set MAC 1 rule fail!\n", __func__); ++ } ++#endif // CONFIG_SL351x_NAT ++} ++ ++/*--------------------------------------------------------------------------- ++ * dump_intrq_desc ++ * assign an interrupt queue number to a give tcp queue ++ *-------------------------------------------------------------------------*/ ++int get_interrupt_queue_id(int tcp_qid) ++{ ++ return (int)(tcp_qid & 0x0003); ++} ++ ++/*--------------------------------------------------------------------------- ++ * reset_connection_index ++ * reset the connection bit by given index ++ *-------------------------------------------------------------------------*/ ++void reset_connection_index(__u8 index) ++{ ++ __u32 mask = ~(0xffffffff & (1<< (index&0x1f))); ++ toe_connection_bits[index>>5] = toe_connection_bits[index>>5] & mask; ++} ++ ++/*--------------------------------------------------------------------------- ++ * update_timer ++ *-------------------------------------------------------------------------*/ ++void update_timer(struct toe_conn* connection) ++{ ++// if (time_before(jiffies, connection->last_rx_jiffies+3)) ++// if ((jiffies + 0xffffffff - connection->last_rx_jiffies) & 0x3) ++// if (connection->last_rx_jiffies > jiffies) ++// printk("%s::jif %g, last_rx_jif %g\n", __func__, jiffies, connection->last_rx_jiffies); ++/* if ((long)(jiffies + 2)< 3) { // overflow... ++ printk("%s::jiffies %x\n", __func__, jiffies); ++ } */ ++// if ((long)(jiffies - connection->last_rx_jiffies)< 2) ++// return; ++ connection->last_rx_jiffies = jiffies; ++ // gary chen mod_timer(&connection->rx_timer, jiffies+2); ++ connection->rx_timer.expires = jiffies + 2; ++ add_timer(&connection->rx_timer); ++// printk("%s::nt %x, lj %x\n", __func__, (jiffies+2), connection->last_rx_jiffies); ++} ++ ++/*--------------------------------------------------------------------------- ++ * gen_pure_ack ++ *-------------------------------------------------------------------------*/ ++struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr, ++INTR_QHDR_T *intr_curr_desc) ++{ ++ struct sk_buff *skb; ++ struct iphdr *ip_hdr; ++ struct tcphdr *tcp_hdr; ++ struct ethhdr *eth_hdr; ++ ++ if ((skb= dev_alloc_skb(RX_BUF_SIZE))==NULL) { ++ printk("%s::alloc pure ack fail!\n", __func__); ++ return NULL; ++ } ++ skb_reserve(skb, RX_INSERT_BYTES); ++ memset(skb->data, 0, 60); ++ ++ eth_hdr = (struct ethhdr*)&(skb->data[0]); ++ memcpy(eth_hdr, &connection->l2_hdr, sizeof(struct ethhdr)); ++ ++ ip_hdr = (struct iphdr*)&(skb->data[14]); ++ ip_hdr->version = connection->ip_ver; ++ ip_hdr->ihl = 20>>2; ++ ip_hdr->tot_len = ntohs(40); ++ ip_hdr->frag_off = htons(IP_DF); ++ ip_hdr->ttl = 128; ++ ip_hdr->protocol = 0x06; ++ ip_hdr->saddr = connection->saddr[0]; ++ ip_hdr->daddr = connection->daddr[0]; ++// printk("%s ip sa %x, da %x\n", ++// __func__, ntohl(ip_hdr->saddr), ntohl(ip_hdr->daddr)); ++ ++ tcp_hdr = (struct tcphdr*)&(skb->data[34]); ++ tcp_hdr->source = connection->source; ++ tcp_hdr->dest = connection->dest; ++ if (intr_curr_desc) { ++ tcp_hdr->seq = htonl(intr_curr_desc->word2.seq_num); ++ tcp_hdr->ack_seq = htonl(intr_curr_desc->word3.ack_num); ++ tcp_hdr->window = htons(intr_curr_desc->word0.bits.win_size); ++ } else { ++ tcp_hdr->seq = htonl(toe_qhdr->word3.seq_num); ++ tcp_hdr->ack_seq = htonl(toe_qhdr->word4.ack_num); ++ tcp_hdr->window = htons(toe_qhdr->word6.bits.WinSize); ++ } ++ tcp_hdr->ack = 1; ++ tcp_hdr->doff = 20 >> 2; ++#if 0 ++ if (!intr_curr_desc) { ++ unsigned char byte; ++ for (i=0; i<20; i++) { ++ byte = skb->data[34+i]; ++ printk("%x ", byte); ++ } ++ printk("\n"); ++ } ++#endif ++ TCP_SKB_CB(skb)->connection = connection; ++ return skb; ++} ++ ++/*--------------------------------------------------------------------------- ++ * connection_rx_timer ++ *-------------------------------------------------------------------------*/ ++void connection_rx_timer(unsigned long *data) ++{ ++ struct toe_conn *connection = (struct toe_conn*)data; ++ unsigned int tcp_qid, toeq_wptr; ++ unsigned int pkt_size, desc_count; ++ struct sk_buff *skb; ++ GMAC_RXDESC_T *toe_curr_desc; ++ TOE_QHDR_T *toe_qhdr; ++ struct net_device *dev; ++ unsigned long conn_flags; ++ DMA_RWPTR_T toeq_rwptr; ++ unsigned short timeout_descs; ++ ++ if (in_toe_isr) ++ printk("%s::in_toe_isr=%d!\n", __func__, in_toe_isr); ++ ++ if (connection) { ++ /* should we disable gmac interrupt first? */ ++ if (!connection->gmac) ++ printk("%s::conn gmac %x!\n", __func__, (u32)connection->gmac); ++ local_irq_save(conn_flags); ++ if (!spin_trylock(&connection->conn_lock)) { ++ local_irq_restore(conn_flags); ++ // timer should be updated by the toeq isr. So no need to update here. ++ printk("%s::conn_lock is held by ISR!\n", __func__); ++ return; ++ } ++ disable_irq(connection->gmac->irq); ++ ++ /* disable hash entry and get toeq desc. */ ++ hash_set_valid_flag(connection->hash_entry_index, 0); ++ do{} while(0); /* wait until HW finish */ ++ ++ dev = connection->dev; ++ if (!dev) ++ printk("%s::conn dev NULL!\n", __func__); ++ tcp_qid = connection->qid; ++ toe_qhdr = (TOE_QHDR_T *)(TOE_TOE_QUE_HDR_BASE + ++ tcp_qid * sizeof(TOE_QHDR_T)); ++ toeq_rwptr.bits32 = readl(&toe_qhdr->word1); ++ toeq_wptr = toe_qhdr->word1.bits.wptr; ++ timeout_descs = toeq_wptr - toeq_rwptr.bits.rptr; ++ ++ if (toeq_rwptr.bits.rptr == toeq_wptr) { ++ if (toe_qhdr->word5.bits32) { ++ // shall we check toe_qhdr->word2.bits? ++ skb = gen_pure_ack(connection, toe_qhdr, (INTR_QHDR_T *)NULL); ++ skb_put(skb, 54); ++ skb->dev = connection->dev; ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ skb->protocol = eth_type_trans(skb, connection->dev); ++ netif_rx(skb); ++ connection->dev->last_rx = jiffies; ++ } ++ } else { ++ while (toeq_rwptr.bits.rptr != toeq_rwptr.bits.wptr) { ++ /* we just simply send those packets to tcp? */ ++ toe_curr_desc = (GMAC_RXDESC_T*)(toe_private_data.toe_desc_base[tcp_qid] ++ + toeq_rwptr.bits.rptr * sizeof(GMAC_RXDESC_T)); ++ connection->curr_desc = toe_curr_desc; ++ if (toe_curr_desc->word3.bits.ctrl_flag) { ++ printk("%s::ctrl flag! %x, conn rptr %d, to %d, jif %x, conn_jif %x\n", ++ __func__, toe_curr_desc->word3.bits32, ++ connection->toeq_rwptr.bits.rptr, timeout_descs, ++ (u32)jiffies, (u32)connection->last_rx_jiffies); ++ } ++ desc_count = toe_curr_desc->word0.bits.desc_count; ++ pkt_size = toe_curr_desc->word1.bits.byte_count; ++ consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size, ++ PCI_DMA_FROMDEVICE); ++ skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)- ++ SKB_RESERVE_BYTES)); ++ _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x02); ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, RX_INSERT_BYTES); ++ skb_put(skb, pkt_size); ++ skb->dev = dev; ++ skb->protocol = eth_type_trans(skb, dev); ++ { ++ struct iphdr* ip_hdr = (struct iphdr*)&(skb->data[0]); ++ if (toe_curr_desc->word3.bits.ctrl_flag) ++ printk("%s::ip id %x\n", __func__, ntohs(ip_hdr->id)); ++ } ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ ++ netif_rx(skb); ++ dev->last_rx = jiffies; ++#if 0 ++ if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) { ++ printk("%s::alloc buf fail!\n", __func__); ++ } ++ *(unsigned int*)(skb->data) = (unsigned int)skb; ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ spin_lock_irqsave(&connection->gmac->rx_mutex, flags); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ if (toe_private_data.fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) { ++ mac_stop_txdma((struct net_device*)connection->dev); ++ spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags); ++ while(1); ++ } ++ fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base + fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data); ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM); ++ SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32; ++ spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags); ++#endif ++// spin_lock_irqsave(&connection->gmac->rx_mutex, flags); ++ toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM); ++ SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr); ++// spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags); ++ connection->toeq_rwptr.bits32 = toeq_rwptr.bits32; ++ } ++ toeq_rwptr.bits32 = readl(&toe_qhdr->word1); ++// toe_gmac_fill_free_q(); ++ } ++ connection->last_rx_jiffies = jiffies; ++ if (connection->status != TCP_CONN_CLOSED) ++ mod_timer(&connection->rx_timer, jiffies+2); ++ if (connection->status != TCP_CONN_ESTABLISHED) ++ printk("%s::conn status %x\n", __func__, connection->status); ++ hash_set_valid_flag(connection->hash_entry_index, 1); ++ enable_irq(connection->gmac->irq); ++ // Gary Chen spin_unlock_irqrestore(&connection->conn_lock, conn_flags); ++ } ++} ++ ++/*--------------------------------------------------------------------------- ++ * free_toeq_descs ++ *-------------------------------------------------------------------------*/ ++void free_toeq_descs(int qid, TOE_INFO_T *toe) ++{ ++ void *desc_ptr; ++ ++ desc_ptr = (void*)toe->toe_desc_base[qid]; ++ pci_free_consistent(NULL, TOE_TOE_DESC_NUM*sizeof(GMAC_RXDESC_T), desc_ptr, ++ (dma_addr_t)toe->toe_desc_base_dma[qid]); ++ toe->toe_desc_base[qid] = 0; ++} ++ ++/*--------------------------------------------------------------------------- ++ * set_toeq_hdr ++ *-------------------------------------------------------------------------*/ ++void set_toeq_hdr(struct toe_conn* connection, TOE_INFO_T* toe, struct net_device *dev) ++{ ++ volatile TOE_QHDR_T *toe_qhdr; ++ volatile unsigned int toeq_wptr; // toeq_rptr ++ volatile GMAC_RXDESC_T *toe_curr_desc; ++ struct sk_buff *skb; ++ unsigned int pkt_size; ++ DMA_RWPTR_T toeq_rwptr; ++ ++ if (connection->status == TCP_CONN_CLOSING) { ++ connection->status = TCP_CONN_CLOSED; ++ hash_set_valid_flag(connection->hash_entry_index, 0); ++ // remove timer first. ++ // del_timer_sync(&(connection->rx_timer)); ++ // check if any queued frames last time. ++ toe_qhdr = (volatile TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE; ++ toe_qhdr += connection->qid; ++ toeq_rwptr.bits32 = readl(&toe_qhdr->word1); ++ ++ //toeq_rptr = toe_qhdr->word1.bits.rptr; ++ toeq_wptr = toe_qhdr->word1.bits.wptr; ++ while (toeq_rwptr.bits.rptr != toeq_wptr) { ++ printk("%s::pending frames in TOE Queue before closing!\n", __func__); ++ toe_curr_desc = (GMAC_RXDESC_T*)(toe->toe_desc_base[connection->qid] + ++ toe_qhdr->word1.bits.rptr*sizeof(GMAC_RXDESC_T)); ++ connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc; ++ pkt_size = toe_curr_desc->word1.bits.byte_count; ++ consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size, ++ PCI_DMA_FROMDEVICE); ++ skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) - ++ SKB_RESERVE_BYTES)); ++ _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x03); ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, RX_INSERT_BYTES); ++ skb_put(skb, pkt_size); ++ skb->dev = connection->dev; ++ skb->protocol = eth_type_trans(skb, connection->dev); ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ netif_rx(skb); ++ connection->dev->last_rx = jiffies; ++ ++ toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM); ++ SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr); ++ } ++ free_toeq_descs(connection->qid, toe); ++ // shall we re-fill free queue? ++ ++ reset_connection_index(connection->qid); ++ //memset(connection, 0, sizeof(struct toe_conn)); ++ printk(" del timer and close connection %x, qid %d\n", (u32)connection, connection->qid); ++ return; ++ } ++ /* enable or setup toe queue header */ ++ if (connection->status == TCP_CONN_CONNECTING && storlink_ctl.rx_max_pktsize) { ++ volatile TOE_QHDR_T *qhdr; ++ int iq_id; ++ connection->status = TCP_CONN_ESTABLISHED; ++ qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE + ++ connection->qid * sizeof(TOE_QHDR_T)); ++ ++ iq_id = get_interrupt_queue_id(connection->qid); ++ connection->dev = dev; ++ connection->gmac = dev->priv; ++ connection->toeq_rwptr.bits32 = 0; ++ ++// qhdr->word6.bits.iq_num = iq_id; ++ qhdr->word6.bits.MaxPktSize = (connection->max_pktsize)>>2; // in word. ++ qhdr->word7.bits.AckThreshold = connection->ack_threshold; ++ qhdr->word7.bits.SeqThreshold = connection->seq_threshold; ++ ++ // init timer. ++#if 1 ++ init_timer(&connection->rx_timer); ++ connection->rx_timer.expires = jiffies + 5; ++ connection->rx_timer.data = (unsigned long)connection; ++ connection->rx_timer.function = (void *)&connection_rx_timer; ++ add_timer(&connection->rx_timer); ++ connection->last_rx_jiffies = jiffies; ++ printk("init_timer %x\n", (u32)jiffies); ++#endif ++ hash_set_valid_flag(connection->hash_entry_index, 1); ++ return; ++ } else { ++ printk("%s::conn status %x, rx_pktsize %d\n", ++ __func__, connection->status, storlink_ctl.rx_max_pktsize); ++ } ++} ++ ++/*--------------------------------------------------------------------------- ++ * get_connection_index ++ * get_connection_index will find an available index for the connection, ++ * when allocate a new connection is needed. ++ * we find available Qid from AV bits and write to hash_table, so that when RxTOE ++ * packet is received, sw_id from ToeQ descriptor is also the Qid of conneciton Q. ++ *-------------------------------------------------------------------------*/ ++int get_connection_index(void) ++{ ++ int i=0, j=0, index=-1; ++ __u32 connection_bits; ++ ++ for (i = 0; i< TOE_TOE_QUEUE_NUM/32; i++) { ++ connection_bits = ~(toe_connection_bits[i]); ++ if (connection_bits == 0) ++ // all 32 bits are used. ++ continue; ++ ++ for (j=0; j<32; j++) { ++ if (connection_bits & 0x01) { ++ index = i*32 + j; ++ return index; ++ } ++ connection_bits = connection_bits >> 1; ++ } ++ } ++ return index; ++} ++ ++/*--------------------------------------------------------------------------- ++ * set_toe_connection ++ *-------------------------------------------------------------------------*/ ++void set_toe_connection(int index, int val) ++{ ++ if (val) { ++ toe_connection_bits[index/32] |= (1<<(index%32)); ++ } else { ++ toe_connection_bits[index/32] &= (~(1<<(index%32))); ++ } ++} ++ ++/*--------------------------------------------------------------------------- ++ * sl351x_get_toe_conn_flag ++ *-------------------------------------------------------------------------*/ ++int sl351x_get_toe_conn_flag(int index) ++{ ++ if (index < TOE_TOE_QUEUE_NUM) ++ return (toe_connection_bits[index/32] & (1 << (index %32))); ++ else ++ return 0; ++} ++ ++/*--------------------------------------------------------------------------- ++ * sl351x_get_toe_conn_info ++ *-------------------------------------------------------------------------*/ ++struct toe_conn * sl351x_get_toe_conn_info(int index) ++{ ++ if (index < TOE_TOE_QUEUE_NUM) ++ return (struct toe_conn *)&toe_connections[index]; ++ else ++ return NULL; ++} ++ ++/*--------------------------------------------------------------------------- ++ * create_sw_toe_connection ++ *-------------------------------------------------------------------------*/ ++struct toe_conn* create_sw_toe_connection(int qid, int ip_ver, void* ip_hdr, ++ struct tcphdr* tcp_hdr) ++{ ++ struct toe_conn* connection = &(toe_connections[qid]); ++ ++ connection->ip_ver = (__u8)ip_ver; ++ connection->qid = (__u8)qid; ++ connection->source = (__u16)tcp_hdr->source; ++ connection->dest = (__u16)tcp_hdr->dest; ++ if (ip_ver == 4) { ++ struct iphdr* iph = (struct iphdr*) ip_hdr; ++ connection->saddr[0] = (__u32)iph->saddr; ++ connection->daddr[0] = (__u32)iph->daddr; ++// printk("%s::saddr %x, daddr %x\n", __func__, ++// ntohl(connection->saddr[0]), ntohl(connection->daddr[0])); ++ } else if (ip_ver == 6) { ++ struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr; ++ int i=0; ++ for (i=0; i<4; i++) { ++ connection->saddr[i] = (__u32)iph->saddr.in6_u.u6_addr32[i]; ++ connection->daddr[i] = (__u32)iph->daddr.in6_u.u6_addr32[i]; ++ } ++ } ++ connection->status = TCP_CONN_CREATION; ++ return connection; ++} ++ ++/*--------------------------------------------------------------------------- ++ * fill_toeq_buf ++ *-------------------------------------------------------------------------*/ ++int fill_toeq_buf(int index, TOE_INFO_T* toe) ++{ ++ volatile TOE_QHDR_T *qhdr; ++ //struct toe_conn* connection; ++ GMAC_RXDESC_T *desc_ptr; ++ ++ if (!toe->toe_desc_base[index]) { ++ // first time. init. ++ desc_ptr = (GMAC_RXDESC_T*)(pci_alloc_consistent(NULL, TOE_TOE_DESC_NUM ++ *sizeof(GMAC_RXDESC_T), (dma_addr_t*)&toe->toe_desc_base_dma[index])); ++ ++ toe->toe_desc_num = TOE_TOE_DESC_NUM; ++ toe->toe_desc_base[index] = (unsigned int)desc_ptr; ++ } ++ qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE + ++ index*sizeof(TOE_QHDR_T)); ++ //connection = (struct toe_conn*)&(toe_connections[index]); ++ ++ qhdr->word0.base_size = ((unsigned int)toe->toe_desc_base_dma[index]&TOE_QHDR0_BASE_MASK) ++ | TOE_TOE_DESC_POWER; ++ qhdr->word1.bits32 = 0; ++ qhdr->word2.bits32 = 0; ++ qhdr->word3.bits32 = 0; ++ qhdr->word4.bits32 = 0; ++ qhdr->word5.bits32 = 0; ++ return 1; ++} ++ ++/*--------------------------------------------------------------------------- ++ * create_toe_hash_entry_smb ++ * add SMB header in hash entry. ++ *-------------------------------------------------------------------------*/ ++int create_toe_hash_entry_smb(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr, ++ int sw_id) ++{ ++ HASH_ENTRY_T hash_entry, *entry; ++ int hash_entry_index; ++ int i; ++ ++ entry = (HASH_ENTRY_T*)&hash_entry; ++ memset((void*)entry, 0, sizeof(HASH_ENTRY_T)); ++ entry->rule = 0; ++ ++ /* enable fields of hash key */ ++ entry->key_present.ip_protocol = 1; ++ entry->key_present.sip = 1; ++ entry->key_present.dip = 1; ++ entry->key_present.l4_bytes_0_3 = 1; // src port and dest port ++ entry->key_present.l7_bytes_0_3 = 0; // do we need to enable NETBIOS? how? ++ entry->key_present.l7_bytes_4_7 = 1; // "SMB" header ++ ++ /* hash key */ ++ entry->key.ip_protocol = IPPROTO_TCP; ++ if (ip_ver == 4) { ++ struct iphdr *iph = (struct iphdr*)ip_hdr; ++ memcpy(entry->key.sip, &iph->saddr, 4); ++ memcpy(entry->key.dip, &iph->daddr, 4); ++ } else if (ip_ver == 6) { ++ struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr; ++ for (i=0; i<4; i++) { ++ memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4); ++ memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4); ++ } ++ } ++ *(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source; ++ *(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest; ++ ++ entry->key.l7_bytes[4] = 0xff; ++ entry->key.l7_bytes[5] = 0x53; ++ entry->key.l7_bytes[6] = 0x4d; ++ entry->key.l7_bytes[7] = 0x42; ++ ++ /* action of hash entry match */ ++ entry->action.sw_id = 1; ++ entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id); ++ entry->action.srce_qid = 0; ++ hash_entry_index = hash_add_toe_entry(entry); ++ ++ return hash_entry_index; ++} ++ ++// best performance of tcp streaming. ++/*--------------------------------------------------------------------------- ++ * create_toe_hash_entry_smb ++ * add SMB header in hash entry. ++ *-------------------------------------------------------------------------*/ ++int create_toe_hash_entry_ftp(int ip_ver, void* ip_hdr, struct tcphdr* tcphdr) ++{ ++ return 0; ++} ++ ++// is hash entry for nfs needed? ++ ++/* ++ * Create a TOE hash entry by given ip addresses and tcp port numbers. ++ * hash entry index will be saved in sw connection. ++ */ ++/*--------------------------------------------------------------------------- ++ * create_toe_hash_entry ++ *-------------------------------------------------------------------------*/ ++int create_toe_hash_entry(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr, int sw_id) ++{ ++ HASH_ENTRY_T hash_entry, *entry; ++// unsigned long hash_key[HASH_MAX_DWORDS]; ++ int hash_entry_index; ++ ++ entry = (HASH_ENTRY_T*) &hash_entry; ++ memset((void*)entry, 0, sizeof(HASH_ENTRY_T)); ++ entry->rule = 0; ++ /* enable fields of hash key */ ++ entry->key_present.ip_protocol = 1; ++ entry->key_present.sip = 1; ++ entry->key_present.dip = 1; ++ entry->key_present.l4_bytes_0_3 = 1; // src port and dest port ++ ++ /* hash key */ ++ entry->key.ip_protocol = IPPROTO_TCP; ++ if (ip_ver == 4) { ++ // key of ipv4 ++ struct iphdr* iph = (struct iphdr*)ip_hdr; ++ memcpy(entry->key.sip, &iph->saddr, 4); ++ memcpy(entry->key.dip, &iph->daddr, 4); ++ } else if (ip_ver == 6) { ++ // key of ipv6 ++ int i=0; ++ struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr; ++ for (i=0; i<4; i++) { ++ memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4); ++ memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4); ++ } ++ } ++ *(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source; ++ *(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest; ++ // is it necessary to write ip version to hash key? ++ ++ /* action of hash entry match */ ++ entry->action.sw_id = 1; ++ entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id); ++ entry->action.srce_qid = 0; // 0 for SW FreeQ. 1 for HW FreeQ. ++ hash_entry_index = hash_add_toe_entry(entry); ++// printk("\n%s. sw_id %d, hash_entry index %x\n", ++// __func__, TOE_TOE_QID(sw_id), hash_entry_index); ++ return hash_entry_index; ++} ++ ++/*--------------------------------------------------------------------------- ++ * init_toeq ++ * 1. Reserve a TOE Queue id first, to get the sw toe_connection. ++ * 2. Setup the hash entry with given iphdr and tcphdr, save hash entry index ++ * in sw toe_connection. ++ * 3. Prepare sw toe_connection and allocate buffers. ++ * 4. Validate hash entry. ++ *-------------------------------------------------------------------------*/ ++struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr, ++ TOE_INFO_T* toe, unsigned char* l2hdr) ++{ ++// printk("\t*** %s, ipver %d\n", __func__, ipver); ++ int qid=-1; ++ struct toe_conn* connection; ++ int hash_entry_index; ++ // int i=0; ++ unsigned short dest_port = ntohs(tcp_hdr->dest); ++ ++ if (dest_port == 445) { ++ printk("%s::SMB/CIFS connection\n", __func__); ++ } else if (dest_port == 20) { ++ printk("%s::ftp-data connection\n", __func__); ++ } else if (dest_port == 2049) { ++ printk("%s::nfs daemon connection\n", __func__); ++ } ++ qid = get_connection_index(); ++ if (qid<0) ++ return 0; // setup toeq failure ++ set_toe_connection(qid, 1); // reserve this sw toeq. ++ ++ //connection = (struct toe_conn*)&(toe_connections[qid]); ++ hash_entry_index = create_toe_hash_entry(ipver, iph, tcp_hdr, qid); ++ if (hash_entry_index <0) { ++ printk("%s::release toe hash entry!\n", __func__); ++ set_toe_connection(qid, 0); // release this sw toeq. ++ return 0; ++ } ++ connection = create_sw_toe_connection(qid, ipver, iph, tcp_hdr); ++ connection->hash_entry_index = (__u16) hash_entry_index; ++ ++ fill_toeq_buf(qid, toe); ++ memcpy(&connection->l2_hdr, l2hdr, sizeof(struct ethhdr)); ++ spin_lock_init(&connection->conn_lock); ++ ++ return connection; ++} ++ ++#if 0 ++/*---------------------------------------------------------------------- ++* toe_init_toe_queue ++* (1) Initialize the TOE Queue Header ++* Register: TOE_TOE_QUE_HDR_BASE (0x60003000) ++* (2) Initialize Descriptors of TOE Queues ++*----------------------------------------------------------------------*/ ++void toe_init_toe_queue(TOE_INFO_T* toe) ++{ ++} ++EXPORT_SYMBOL(toe_init_toe_queue); ++#endif ++ ++/*--------------------------------------------------------------------------- ++ * dump_jumbo_skb ++ *-------------------------------------------------------------------------*/ ++void dump_jumbo_skb(struct jumbo_frame *jumbo_skb) ++{ ++ if (jumbo_skb->skb0) { ++// printk("%s. jumbo skb %x, len %d\n", ++// __func__, jumbo_skb->skb0->data, jumbo_skb->skb0->len); ++ netif_rx(jumbo_skb->skb0); ++ } ++ jumbo_skb->skb0 = 0; ++ jumbo_skb->tail = 0; ++ jumbo_skb->iphdr0 = 0; ++ jumbo_skb->tcphdr0 = 0; ++} ++ ++/* --------------------------------------------------------------------- ++ * Append skb to skb0. skb0 is the jumbo frame that will be passed to ++ * kernel tcp. ++ * --------------------------------------------------------------------*/ ++void rx_append_skb(struct jumbo_frame *jumbo_skb, struct sk_buff* skb, int payload_len) ++{ ++ struct iphdr* iphdr0 = (struct iphdr*)&(skb->data[0]); ++ int ip_hdrlen = iphdr0->ihl << 2; ++ struct tcphdr* tcphdr0 = (struct tcphdr*)&(skb->data[ip_hdrlen]); ++ ++ if (!jumbo_skb->skb0) { ++ // head of the jumbo frame. ++ jumbo_skb->skb0 = skb; ++ jumbo_skb->tail = 0; ++ jumbo_skb->iphdr0 = iphdr0; ++ jumbo_skb->tcphdr0 = tcphdr0; ++ } else { ++ if (!jumbo_skb->tail) ++ skb_shinfo(jumbo_skb->skb0)->frag_list = skb; ++ else ++ (jumbo_skb->tail)->next = skb; ++ jumbo_skb->tail = skb; ++ ++ // do we need to change truesize as well? ++ jumbo_skb->skb0->len += payload_len; ++ jumbo_skb->skb0->data_len += payload_len; ++ ++ jumbo_skb->iphdr0->tot_len = htons(ntohs(jumbo_skb->iphdr0->tot_len)+payload_len); ++ jumbo_skb->tcphdr0->ack_seq = tcphdr0->ack_seq; ++ jumbo_skb->tcphdr0->window = tcphdr0->window; ++ ++ skb->len += payload_len; ++ skb->data_len = 0; ++ skb->data += ntohs(iphdr0->tot_len) - payload_len; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_handle_toeq ++* (1) read interrupt Queue to get TOE Q. ++* (2) get packet fro TOE Q and send to upper layer handler. ++* (3) allocate new buffers and put to TOE Q. Intr Q buffer is recycled. ++*----------------------------------------------------------------------*/ ++void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status) ++{ ++ //volatile INTRQ_INFO_T *intrq_info; ++ //TOEQ_INFO_T *toeq_info; ++ volatile NONTOE_QHDR_T *intr_qhdr; ++ volatile TOE_QHDR_T *toe_qhdr; ++ volatile INTR_QHDR_T *intr_curr_desc; ++ TOE_INFO_T *toe = &toe_private_data; ++ ++ volatile GMAC_RXDESC_T *toe_curr_desc; // , *fq_desc;// *tmp_desc; ++ volatile DMA_RWPTR_T intr_rwptr, toeq_rwptr; // fq_rwptr; ++ ++ unsigned int pkt_size, desc_count, tcp_qid; ++ volatile unsigned int toeq_wptr; ++ struct toe_conn* connection; ++ int i, frag_id = 0; ++ // unsigned long toeq_flags; ++ struct jumbo_frame jumbo_skb; ++ struct sk_buff *skb; ++ __u32 interrupt_status; ++ ++ in_toe_isr++; ++ ++ interrupt_status = status >> 24; ++ // get interrupt queue header ++ intr_qhdr = (volatile NONTOE_QHDR_T*)TOE_INTR_Q_HDR_BASE; ++ memset(&jumbo_skb, 0, sizeof(struct jumbo_frame)); ++ ++ for (i=0; i<TOE_INTR_QUEUE_NUM; i++, intr_qhdr++) { ++ if (!(interrupt_status & 0x0001)) { ++ // no interrupt of this IntQ ++ interrupt_status = interrupt_status >> 1; ++ continue; ++ } ++ interrupt_status = interrupt_status >> 1; ++ intr_rwptr.bits32 = readl(&intr_qhdr->word1); ++ ++ while ( intr_rwptr.bits.rptr != intr_rwptr.bits.wptr) { ++ int max_pktsize = 1; ++ // get interrupt queue descriptor. ++ intr_curr_desc = (INTR_QHDR_T*)toe->intr_desc_base + ++ i* TOE_INTR_DESC_NUM + intr_rwptr.bits.rptr; ++// printk("%s::int %x\n", __func__, intr_curr_desc->word1.bits32); ++ // get toeq id ++ tcp_qid = (u8)intr_curr_desc->word1.bits.tcp_qid - (u8)TOE_TOE_QID(0); ++ // get toeq queue header ++ toe_qhdr = (volatile TOE_QHDR_T*) TOE_TOE_QUE_HDR_BASE; ++ toe_qhdr += tcp_qid; ++ connection = &toe_connections[tcp_qid]; ++ del_timer(&connection->rx_timer); ++ // Gary Chen spin_lock_irqsave(&connection->conn_lock, toeq_flags); ++ // handling interrupts of this TOE Q. ++ if (intr_curr_desc->word1.bits.ctl || intr_curr_desc->word1.bits.osq || ++ intr_curr_desc->word1.bits.abn) ++ max_pktsize = 0; ++ if (!max_pktsize || intr_curr_desc->word1.bits.TotalPktSize) { ++ desc_count=0; ++ // wptr in intl queue is where this TOE interrupt should stop. ++ toeq_rwptr.bits32 = readl(&toe_qhdr->word1); ++ toeq_wptr = intr_curr_desc->word0.bits.wptr; ++ if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr) ++ printk("conn rptr %d, hw rptr %d\n", ++ connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr); ++ ++ if (intr_curr_desc->word1.bits.ctl && ++ (toeq_rwptr.bits.rptr == toeq_wptr)) { ++ printk("\nctrl frame, but not in TOE queue! conn rptr %d, hw wptr %d\n", ++ connection->toeq_rwptr.bits.rptr, toeq_wptr); ++// dump_toe_qhdr(toe_qhdr); ++// dump_intrq_desc(intr_curr_desc); ++ } ++ // while (toeq_rwptr.bits.rptr != intr_curr_desc->word0.bits.wptr) { ++ while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) { ++ frag_id++; ++ toe_curr_desc = (volatile GMAC_RXDESC_T *)(toe->toe_desc_base[tcp_qid] ++ + toe_qhdr->word1.bits.rptr *sizeof(GMAC_RXDESC_T)); ++ connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc; ++ desc_count = toe_curr_desc->word0.bits.desc_count; ++ pkt_size = toe_curr_desc->word1.bits.byte_count; ++ consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size, ++ PCI_DMA_FROMDEVICE); ++ skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)- ++ SKB_RESERVE_BYTES)); ++ _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x01); ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, RX_INSERT_BYTES); ++ if ((skb->len + pkt_size) > (1514+16)) ++ { ++ printk("skb->len=%d, pkt_size=%d\n",skb->len, pkt_size); ++ while(1); ++ } ++ ++ skb_put(skb, pkt_size); ++ skb->dev = dev; ++ skb->protocol = eth_type_trans(skb, dev); ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ ++ if (toe_curr_desc->word3.bits32 & 0x1b000000) ++ dump_jumbo_skb(&jumbo_skb); ++ ++ rx_append_skb(&jumbo_skb, skb, pkt_size-toe_curr_desc->word3.bits.l7_offset); ++// spin_lock_irqsave(&gmac_fq_lock, flags); ++ toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM); ++ SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr); ++// spin_unlock_irqrestore(&gmac_fq_lock, flags); ++ if (storlink_ctl.fqint_threshold) ++ continue; ++#if 0 ++//#if (HANDLE_FREEQ_METHOD == HANDLE_FREEQ_INDIVIDUAL) ++ if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) { ++ printk("%s::toe queue alloc buffer ", __func__); ++ } ++ *(unsigned int*)(skb->data) = (unsigned int)skb; ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ ++ spin_lock_irqsave(&gmac_fq_lock, flags); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++ if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) { ++ printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32); ++ mac_stop_txdma((struct net_device*) tp->dev); ++ spin_unlock_irqrestore(&gmac_fq_lock, flags); ++ while(1); ++ } ++ fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data); ++ ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM); ++ SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32; ++ spin_unlock_irqrestore(&gmac_fq_lock, flags); ++#endif ++ } // end of this multi-desc. ++ dump_jumbo_skb(&jumbo_skb); ++ dev->last_rx = jiffies; ++ connection->toeq_rwptr.bits32 = toeq_rwptr.bits32; ++ } else if (intr_curr_desc->word1.bits.sat) { ++ toeq_rwptr.bits32 = readl(&toe_qhdr->word1); ++ toeq_wptr = intr_curr_desc->word0.bits.wptr; ++ if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr) ++ printk("SAT. conn rptr %d, hw rptr %d\n", ++ connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr); ++/* ++ printk("%s::SAT int!, ackcnt %x, seqcnt %x, rptr %d, wptr %d, ack %x, qhack %x\n", ++ __func__, intr_curr_desc->word4.bits.AckCnt, intr_curr_desc->word4.bits.SeqCnt, ++ toeq_rptr, toeq_wptr, intr_curr_desc->word3.ack_num, toe_qhdr->word4.ack_num);*/ ++ /* pure ack */ ++ if (toeq_rwptr.bits.rptr == toeq_wptr) { ++ if (intr_curr_desc->word4.bits32) { ++ skb = gen_pure_ack(connection, (TOE_QHDR_T *)toe_qhdr, (INTR_QHDR_T *)intr_curr_desc); ++ skb_put(skb, 60); ++ skb->dev = connection->dev; ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ skb->protocol = eth_type_trans(skb, connection->dev); ++ netif_rx(skb); ++ } else ++ printk("%s::SAT Interrupt!. But cnt is 0!\n", __func__); ++ } else { ++ // while (toeq_rwptr.bits.rptr != toeq_wptr) { ++ while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) { ++ toe_curr_desc = (volatile GMAC_RXDESC_T*)(toe->toe_desc_base[tcp_qid] ++ + toe_qhdr->word1.bits.rptr * sizeof(GMAC_RXDESC_T)); ++ connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc; ++ desc_count = toe_curr_desc->word0.bits.desc_count; ++ pkt_size = toe_curr_desc->word1.bits.byte_count; ++ consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size, ++ PCI_DMA_FROMDEVICE); ++ // if ( ((toeq_rwptr.bits.rptr +1)&(TOE_TOE_DESC_NUM-1)) == toeq_wptr) { ++ if ( RWPTR_ADVANCE_ONE(toe_qhdr->word1.bits.rptr, TOE_TOE_DESC_NUM) == toeq_wptr) { ++ skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) - ++ SKB_RESERVE_BYTES)); ++ _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x04); ++ connection->curr_rx_skb = skb; ++ skb_reserve(skb, RX_INSERT_BYTES); ++ skb_put(skb, pkt_size); ++ skb->dev = dev; ++ skb->protocol = eth_type_trans(skb, dev); ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ // printk("toeq_rptr %d, wptr %d\n", toeq_rptr, toeq_wptr); ++ netif_rx(skb); ++ dev->last_rx = jiffies; ++/* ++ if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) { ++ ++ } ++ *(unsigned int*)(skb->data) = (unsigned int) skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); */ ++ } else { ++ // reuse this skb, append to free queue.. ++ skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)- ++ SKB_RESERVE_BYTES)); ++ _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x05); ++ connection->curr_rx_skb = skb; ++ dev_kfree_skb_irq(skb); ++ } ++#if 0 ++ spin_lock_irqsave(&gmac_fq_lock, flags); ++ fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG); ++/* if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) { ++ printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32); ++ mac_stop_txdma((struct net_device*) tp->dev); ++ spin_unlock_irqrestore(&gmac_fq_lock, flags); ++ while(1); ++ } */ ++ fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data); ++ ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM); ++ SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32; ++ // spin_unlock_irqrestore(&gmac_fq_lock, flags); ++#endif ++// spin_lock_irqsave(&gmac_fq_lock, flags); ++ toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM); ++ SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr); ++// spin_unlock_irqrestore(&gmac_fq_lock, flags); ++ } ++ } // end of ACK with options. ++ connection->toeq_rwptr.bits32 = toeq_rwptr.bits32; ++ // Gary Chen spin_unlock_irqrestore(&connection->conn_lock, toeq_flags); ++// } ++ }; ++ update_timer(connection); ++ // any protection against interrupt queue header? ++ intr_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(intr_rwptr.bits.rptr, TOE_INTR_DESC_NUM); ++ SET_RPTR(&intr_qhdr->word1, intr_rwptr.bits.rptr); ++ intr_rwptr.bits32 = readl(&intr_qhdr->word1); ++ toe_gmac_fill_free_q(); ++ } // end of this interrupt Queue processing. ++ } // end of all interrupt Queues. ++ ++ in_toe_isr = 0; ++} ++ ++ +--- /dev/null ++++ b/drivers/net/sl_lepus_hash.c +@@ -0,0 +1,553 @@ ++/************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl_lepus_hash.c ++* Description : ++* Handle Storlink Lepus Hash Functions ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* 03/13/2006 Gary Chen Create and implement ++* ++****************************************************************************/ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/compiler.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/completion.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/semaphore.h> ++#include <asm/arch/irqs.h> ++#include <asm/arch/it8712.h> ++#include <linux/mtd/kvctl.h> ++#include <linux/skbuff.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/list.h> ++#define MIDWAY ++#define SL_LEPUS ++ ++#include <asm/arch/sl2312.h> ++#include <asm/arch/sl_lepus_gmac.h> ++#include <asm/arch/sl_hash_cfg.h> ++ ++#ifndef RXTOE_DEBUG ++#define RXTOE_DEBUG ++#endif ++#undef RXTOE_DEBUG ++ ++/*---------------------------------------------------------------------- ++* Definition ++*----------------------------------------------------------------------*/ ++#define hash_printf printk ++ ++#define HASH_TIMER_PERIOD (60*HZ) // seconds ++#define HASH_ILLEGAL_INDEX 0xffff ++ ++/*---------------------------------------------------------------------- ++* Variables ++*----------------------------------------------------------------------*/ ++u32 hash_activate_bits[HASH_TOTAL_ENTRIES/32]; ++u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32]; ++char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16))); ++static struct timer_list hash_timer_obj; ++LIST_HEAD(hash_timeout_list); ++ ++/*---------------------------------------------------------------------- ++* Functions ++*----------------------------------------------------------------------*/ ++void dm_long(u32 location, int length); ++static void hash_timer_func(u32 data); ++ ++/*---------------------------------------------------------------------- ++* hash_init ++*----------------------------------------------------------------------*/ ++void hash_init(void) ++{ ++ int i; ++ volatile u32 *dp1, *dp2, dword; ++ ++ dp1 = (volatile u32 *) TOE_V_BIT_BASE; ++ dp2 = (volatile u32 *) TOE_A_BIT_BASE; ++ ++ for (i=0; i<HASH_TOTAL_ENTRIES/32; i++) ++ { ++ *dp1++ = 0; ++ dword = *dp2++; // read-clear ++ } ++ memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits)); ++ memset((void *)&hash_tables, 0, sizeof(hash_tables)); ++ ++ init_timer(&hash_timer_obj); ++ hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD; ++ hash_timer_obj.data = (unsigned long)&hash_timer_obj; ++ hash_timer_obj.function = (void *)&hash_timer_func; ++ add_timer(&hash_timer_obj); ++ ++#if (HASH_MAX_BYTES == 128) ++ writel((unsigned long)__pa(&hash_tables) | 3, // 32 words ++ TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG); ++#elif (HASH_MAX_BYTES == 64) ++ writel((unsigned long)__pa(&hash_tables) | 2, // 16 words ++ TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG); ++#else ++ #error Incorrect setting for HASH_MAX_BYTES ++#endif ++ ++} ++/*---------------------------------------------------------------------- ++* hash_add_entry ++*----------------------------------------------------------------------*/ ++int hash_add_entry(HASH_ENTRY_T *entry) ++{ ++ int rc; ++ u32 key[HASH_MAX_DWORDS]; ++ rc = hash_build_keys((u32 *)&key, entry); ++ if (rc < 0) ++ return -1; ++ hash_write_entry(entry, (unsigned char*) &key[0]); ++// hash_set_valid_flag(entry->index, 1); ++// printk("Dump hash key!\n"); ++// dump_hash_key(entry); ++ return entry->index; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_set_valid_flag ++*----------------------------------------------------------------------*/ ++void hash_set_valid_flag(int index, int valid) ++{ ++ register u32 reg32; ++ ++ reg32 = TOE_V_BIT_BASE + (index/32) * 4; ++ ++ if (valid) ++ { ++ writel(readl(reg32) | (1 << (index%32)), reg32); ++ } ++ else ++ { ++ writel(readl(reg32) & ~(1 << (index%32)), reg32); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* hash_set_nat_owner_flag ++*----------------------------------------------------------------------*/ ++void hash_set_nat_owner_flag(int index, int valid) ++{ ++ if (valid) ++ { ++ hash_nat_owner_bits[index/32] |= (1 << (index % 32)); ++ } ++ else ++ { ++ hash_nat_owner_bits[index/32] &= ~(1 << (index % 32)); ++ } ++} ++ ++ ++/*---------------------------------------------------------------------- ++* hash_build_keys ++*----------------------------------------------------------------------*/ ++int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry) ++{ ++ u32 data; ++ unsigned char *cp; ++ int i, j; ++ unsigned short index; ++ int total; ++ ++ memset((void *)destp, 0, HASH_MAX_BYTES); ++ cp = (unsigned char *)destp; ++ ++ if (entry->key_present.port || entry->key_present.Ethertype) ++ { ++ HASH_PUSH_WORD(cp, entry->key.Ethertype); // word 0 ++ HASH_PUSH_BYTE(cp, entry->key.port); // Byte 2 ++ HASH_PUSH_BYTE(cp, 0); // Byte 3 ++ } ++ else ++ { ++ HASH_PUSH_DWORD(cp, 0); ++ } ++ ++ if (entry->key_present.da || entry->key_present.sa) ++ { ++ unsigned char mac[4]; ++ if (entry->key_present.da) ++ { ++ for (i=0; i<4; i++) ++ HASH_PUSH_BYTE(cp, entry->key.da[i]); ++ } ++ mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0; ++ mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0; ++ mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0; ++ mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0; ++ data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24); ++ HASH_PUSH_DWORD(cp, data); ++ if (entry->key_present.sa) ++ { ++ for (i=2; i<6; i++) ++ HASH_PUSH_BYTE(cp, entry->key.sa[i]); ++ } ++ } ++ ++ if (entry->key_present.pppoe_sid || entry->key_present.vlan_id) ++ { ++ HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word ++ HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word ++ } ++ if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.ip_protocol); // Byte 0 ++ HASH_PUSH_BYTE(cp, entry->key.ip_tos); // Byte 1 ++ HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen); // Byte 2 ++ HASH_PUSH_BYTE(cp, 0); // Byte 3 ++ } ++ ++ if (entry->key_present.ipv6_flow_label) ++ { ++ HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label); // low word ++ } ++ if (entry->key_present.sip) ++ { ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[i]); ++ if (entry->key.ipv6) ++ { ++ for (i=4; i<16; i+=4) ++ { ++ for (j=i+3; j>=i; j--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[j]); ++ } ++ } ++ } ++ if (entry->key_present.dip) ++ { ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[i]); ++ if (entry->key.ipv6) ++ { ++ for (i=4; i<16; i+=4) ++ { ++ for (j=i+3; j>=i; j--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[j]); ++ } ++ } ++ } ++ ++ if (entry->key_present.l4_bytes_0_3) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]); ++ } ++ if (entry->key_present.l4_bytes_4_7) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]); ++ } ++ if (entry->key_present.l4_bytes_8_11) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]); ++ } ++ if (entry->key_present.l4_bytes_12_15) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]); ++ } ++ if (entry->key_present.l4_bytes_16_19) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]); ++ } ++ if (entry->key_present.l4_bytes_20_23) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]); ++ } ++ if (entry->key_present.l7_bytes_0_3) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]); ++ } ++ if (entry->key_present.l7_bytes_4_7) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]); ++ } ++ if (entry->key_present.l7_bytes_8_11) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]); ++ } ++ if (entry->key_present.l7_bytes_12_15) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]); ++ } ++ if (entry->key_present.l7_bytes_16_19) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]); ++ } ++ if (entry->key_present.l7_bytes_20_23) ++ { ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]); ++ HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]); ++ } ++ ++ // get hash index ++ total = (u32)((u32)cp - (u32)destp) / (sizeof(u32)); ++ ++ if (total > HASH_MAX_KEY_DWORD) ++ { ++ //hash_printf("Total key words (%d) is too large (> %d)!\n", ++ // total, HASH_MAX_KEY_DWORD); ++ return -1; ++ } ++ ++ if (entry->key_present.port || entry->key_present.Ethertype) ++ index = hash_gen_crc16((unsigned char *)destp, total * 4); ++ else ++ { ++ if (total == 1) ++ { ++ hash_printf("No key is assigned!\n"); ++ return -1; ++ } ++ ++ index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4); ++ } ++ ++ entry->index = index & HASH_BITS_MASK; ++ ++ //hash_printf("Total key words = %d, Hash Index= %d\n", ++ // total, entry->index); ++ ++ cp = (unsigned char *)destp; ++ cp+=3; ++ HASH_PUSH_BYTE(cp, entry->rule); // rule ++ ++ entry->total_dwords = total; ++ ++ return total; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_build_nat_keys ++*----------------------------------------------------------------------*/ ++void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry) ++{ ++ unsigned char *cp; ++ int i; ++ unsigned short index; ++ int total; ++ ++ memset((void *)destp, 0, HASH_MAX_BYTES); ++ ++ cp = (unsigned char *)destp + 2; ++ HASH_PUSH_BYTE(cp, entry->key.port); ++ cp++; ++ ++ if (entry->key_present.pppoe_sid || entry->key_present.vlan_id) ++ { ++ HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word ++ HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word ++ } ++ ++ HASH_PUSH_BYTE(cp, entry->key.ip_protocol); ++ cp+=3; ++ ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.sip[i]); ++ ++ // input (entry->key.sip[i]) is network-oriented ++ // output (hash key) is host-oriented ++ for (i=3; i>=0; i--) ++ HASH_PUSH_BYTE(cp, entry->key.dip[i]); ++ ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]); ++ HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]); ++ ++ // get hash index ++ total = (u32)((u32)cp - (u32)destp) / (sizeof(u32)); ++ ++ index = hash_gen_crc16((unsigned char *)destp, total * 4); ++ entry->index = index & ((1 << HASH_BITS) - 1); ++ ++ cp = (unsigned char *)destp; ++ cp+=3; ++ HASH_PUSH_BYTE(cp, entry->rule); // rule ++ ++ entry->total_dwords = total; ++} ++ ++ ++/*---------------------------------------------------------------------- ++* hash_write_entry ++*----------------------------------------------------------------------*/ ++int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key) ++{ ++ int i; ++ u32 *srcep, *destp, *destp2; ++ ++ srcep = (u32 *)key; ++ destp2 = destp = (u32 *)&hash_tables[entry->index][0]; ++ ++ for (i=0; i<(entry->total_dwords); i++, srcep++, destp++) ++ *destp = *srcep; ++ ++ srcep = (u32 *)&entry->action; ++ *destp++ = *srcep; ++ ++ srcep = (u32 *)&entry->param; ++ for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++) ++ *destp = *srcep; ++ ++ memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32)); ++ ++ consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE); ++ return 0; ++} ++ ++/*---------------------------------------------------------------------- ++* hash_timer_func ++*----------------------------------------------------------------------*/ ++static void hash_timer_func(u32 data) ++{ ++ int i, j; ++ volatile u32 *active_p, *own_p, *valid_p; ++ u32 a_bits, own_bits; ++ ++ valid_p = (volatile u32 *)TOE_V_BIT_BASE; ++ active_p = (volatile u32 *)hash_activate_bits; ++ own_p = (volatile u32 *)hash_nat_owner_bits; ++ for (i=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, active_p++, valid_p++) ++ { ++ *active_p |= readl(TOE_A_BIT_BASE + (i*4)); ++ a_bits = *active_p; ++ own_bits = *own_p; ++ if (own_bits) ++ { ++#ifndef DEBUG_NAT_MIXED_HW_SW_TX ++ a_bits = own_bits & ~a_bits; ++#else ++ a_bits = own_bits & a_bits; ++#endif ++ for (j=0; a_bits && j<32; j++) ++ { ++ if (a_bits & 1) ++ { ++ *valid_p &= ~(1 << j); // invalidate it ++#if !(defined(NAT_DEBUG_LAN_HASH_TIMEOUT) || defined(NAT_DEBUG_WAN_HASH_TIMEOUT)) ++ *own_p &= ~(1 << j); // release ownership for NAT ++#endif ++// #ifdef DEBUG_NAT_MIXED_HW_SW_TX ++#if 0 ++ hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j); ++#endif ++ } ++ a_bits >>= 1; ++ } ++ *active_p &= ~own_bits; // deactivate it for next polling ++ } ++ } ++ ++ hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD; ++ add_timer((struct timer_list *)data); ++} ++ ++/*---------------------------------------------------------------------- ++* dm_long ++*----------------------------------------------------------------------*/ ++void dm_long(u32 location, int length) ++{ ++ u32 *start_p, *curr_p, *end_p; ++ u32 *datap, data; ++ int i; ++ ++ //if (length > 1024) ++ // length = 1024; ++ ++ start_p = (u32 *)location; ++ end_p = (u32 *)location + length; ++ curr_p = (u32 *)((u32)location & 0xfffffff0); ++ datap = (u32 *)location; ++ while (curr_p < end_p) ++ { ++ hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0); ++ for (i=0; i<4; i++) ++ { ++ if (curr_p < start_p || curr_p >= end_p) ++ hash_printf(" "); ++ else ++ { ++ data = *datap; ++ hash_printf("%08X ", data); ++ } ++ if (i==1) ++ hash_printf("- "); ++ ++ curr_p++; ++ datap++; ++ } ++ hash_printf("\n"); ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* hash_dump_entry ++*----------------------------------------------------------------------*/ ++void hash_dump_entry(int index) ++{ ++ hash_printf("Hash Index %d:\n", index); ++ dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS); ++} ++ ++ +--- /dev/null ++++ b/drivers/net/sl_switch.c +@@ -0,0 +1,650 @@ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/delay.h> ++#include <asm/hardware.h> ++#include <asm/io.h> ++ ++#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE)) ++#define GPIO_BASE_ADDR1 (IO_ADDRESS(SL2312_GPIO_BASE1)) ++enum GPIO_REG ++{ ++ GPIO_DATA_OUT = 0x00, ++ GPIO_DATA_IN = 0x04, ++ GPIO_PIN_DIR = 0x08, ++ GPIO_BY_PASS = 0x0c, ++ GPIO_DATA_SET = 0x10, ++ GPIO_DATA_CLEAR = 0x14, ++}; ++ ++#define GMAC_SPEED_10 0 ++#define GMAC_SPEED_100 1 ++#define GMAC_SPEED_1000 2 ++ ++enum phy_state ++{ ++ LINK_DOWN = 0, ++ LINK_UP = 1 ++}; ++ ++#ifndef BIT ++#define BIT(x) (1 << (x)) ++#endif ++ ++//int Get_Set_port_status(); ++unsigned int SPI_read_bit(void); ++void SPI_write_bit(char bit_EEDO); ++void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value); ++unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr); ++int SPI_default(void); ++void SPI_CS_enable(unsigned char enable); ++unsigned int SPI_get_identifier(void); ++void phy_write(unsigned char port_no,unsigned char reg,unsigned int val); ++unsigned int phy_read(unsigned char port_no,unsigned char reg); ++void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask); ++void init_seq_7385(unsigned char port_no) ; ++void phy_receiver_init (unsigned char port_no); ++ ++#define PORT_NO 4 ++int switch_pre_speed[PORT_NO]={0,0,0,0}; ++int switch_pre_link[PORT_NO]={0,0,0,0}; ++ ++ ++ ++ ++ ++/* NOTES ++ * The Protocol of the SPI are as follows: ++ * ++ * Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 ++ * byte0 | Block id | r/w | sub-block | ++ * byte1 | Address | ++ * byte2 | Data | ++ * byte3 | Data | ++ * byte4 | Data | ++ * byte5 | Data | ++ */ ++ ++ ++ ++ ++/***************************************/ ++/* define GPIO module base address */ ++/***************************************/ ++#define GPIO_EECS 0x80000000 /* EECS: GPIO[22] */ ++#define GPIO_MOSI 0x20000000 /* EEDO: GPIO[29] send to 6996*/ ++#define GPIO_MISO 0x40000000 /* EEDI: GPIO[30] receive from 6996*/ ++#define GPIO_EECK 0x10000000 /* EECK: GPIO[31] */ ++ ++/************************************************************* ++* SPI protocol for ADM6996 control ++**************************************************************/ ++#define SPI_OP_LEN 0x08 // the length of start bit and opcode ++#define SPI_OPWRITE 0X05 // write ++#define SPI_OPREAD 0X06 // read ++#define SPI_OPERASE 0X07 // erase ++#define SPI_OPWTEN 0X04 // write enable ++#define SPI_OPWTDIS 0X04 // write disable ++#define SPI_OPERSALL 0X04 // erase all ++#define SPI_OPWTALL 0X04 // write all ++ ++#define SPI_ADD_LEN 8 // bits of Address ++#define SPI_DAT_LEN 32 // bits of Data ++ ++ ++/****************************************/ ++/* Function Declare */ ++/****************************************/ ++ ++//unsigned int SPI_read_bit(void); ++//void SPI_write_bit(char bit_EEDO); ++//unsigned int SPI_read_bit(void); ++/****************************************** ++* SPI_write ++* addr -> Write Address ++* value -> value to be write ++***************************************** */ ++void phy_receiver_init (unsigned char port_no) ++{ ++ phy_write(port_no,31,0x2a30); ++ phy_write_masked(port_no, 12, 0x0200, 0x0300); ++ phy_write(port_no,31,0); ++} ++ ++void phy_write(unsigned char port_no,unsigned char reg,unsigned int val) ++{ ++ unsigned int cmd; ++ ++ cmd = (port_no<<21)|(reg<<16)|val; ++ SPI_write(3,0,1,cmd); ++} ++ ++unsigned int phy_read(unsigned char port_no,unsigned char reg) ++{ ++ unsigned int cmd,reg_val; ++ ++ cmd = BIT(26)|(port_no<<21)|(reg<<16); ++ SPI_write(3,0,1,cmd); ++ msleep(2); ++ reg_val = SPI_read(3,0,2); ++ return reg_val; ++} ++ ++void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask) ++{ ++ unsigned int cmd,reg_val; ++ ++ cmd = BIT(26)|(port_no<<21)|(reg<<16); // Read reg_val ++ SPI_write(3,0,1,cmd); ++ mdelay(2); ++ reg_val = SPI_read(3,0,2); ++ reg_val &= ~mask; // Clear masked bit ++ reg_val |= (val&mask) ; // set masked bit ,if true ++ cmd = (port_no<<21)|(reg<<16)|reg_val; ++ SPI_write(3,0,1,cmd); ++} ++ ++void init_seq_7385(unsigned char port_no) ++{ ++ unsigned char rev; ++ ++ phy_write(port_no, 31, 0x2a30); ++ phy_write_masked(port_no, 8, 0x0200, 0x0200); ++ phy_write(port_no, 31, 0x52b5); ++ phy_write(port_no, 16, 0xb68a); ++ phy_write_masked(port_no, 18, 0x0003, 0xff07); ++ phy_write_masked(port_no, 17, 0x00a2, 0x00ff); ++ phy_write(port_no, 16, 0x968a); ++ phy_write(port_no, 31, 0x2a30); ++ phy_write_masked(port_no, 8, 0x0000, 0x0200); ++ phy_write(port_no, 31, 0x0000); /* Read revision */ ++ rev = phy_read(port_no, 3) & 0x000f; ++ if (rev == 0) ++ { ++ phy_write(port_no, 31, 0x2a30); ++ phy_write_masked(port_no, 8, 0x0200, 0x0200); ++ phy_write(port_no, 31, 0x52b5); ++ phy_write(port_no, 18, 0x0000); ++ phy_write(port_no, 17, 0x0689); ++ phy_write(port_no, 16, 0x8f92); ++ phy_write(port_no, 31, 0x52B5); ++ phy_write(port_no, 18, 0x0000); ++ phy_write(port_no, 17, 0x0E35); ++ phy_write(port_no, 16, 0x9786); ++ phy_write(port_no, 31, 0x2a30); ++ phy_write_masked(port_no, 8, 0x0000, 0x0200); ++ phy_write(port_no, 23, 0xFF80); ++ phy_write(port_no, 23, 0x0000); ++ } ++ phy_write(port_no, 31, 0x0000); ++ phy_write(port_no, 18, 0x0048); ++ if (rev == 0) ++ { ++ phy_write(port_no, 31, 0x2a30); ++ phy_write(port_no, 20, 0x6600); ++ phy_write(port_no, 31, 0x0000); ++ phy_write(port_no, 24, 0xa24e); ++ } ++ else ++ { ++ phy_write(port_no, 31, 0x2a30); ++ phy_write_masked(port_no, 22, 0x0240, 0x0fc0); ++ phy_write_masked(port_no, 20, 0x4000, 0x6000); ++ phy_write(port_no, 31, 1); ++ phy_write_masked(port_no, 20, 0x6000, 0xe000); ++ phy_write(port_no, 31, 0x0000); ++ } ++} ++ ++int Get_Set_port_status() ++{ ++ unsigned int reg_val,ability,rcv_mask,mac_config; ++ int is_link=0; ++ int i; ++ ++ rcv_mask = SPI_read(2,0,0x10); // Receive mask ++ ++ for(i=0;i<4;i++){ ++ reg_val = phy_read(i,1); ++ if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */ ++ { ++ is_link=1; ++ if(switch_pre_link[i]==LINK_DOWN){ // Link Down ==> Link up ++ ++ rcv_mask |= BIT(i); // Enable receive ++ ++ reg_val = phy_read(i,10); ++ if(reg_val & 0x0c00){ ++ printk("Port%d:Giga mode\n",i); ++// SPI_write(1,i,0x00,0x300701B1); ++ mac_config = 0x00060004|(6<<6); ++ ++ SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port ++ mac_config |= (( BIT(i) << 19) | 0x08000000); ++ SPI_write(1,i,0x00,mac_config); ++ SPI_write(1,i,0x04,0x000300ff); // flow control ++ ++ reg_val = SPI_read(5,0,0x12); ++ reg_val &= ~BIT(i); ++ SPI_write(5,0,0x12,reg_val); ++ ++ reg_val = SPI_read(1,i,0x00); ++ reg_val |= 0x10010000; ++ SPI_write(1,i,0x00,reg_val); ++// SPI_write(1,i,0x00,0x10070181); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_1000; ++ } ++ else{ ++ reg_val = phy_read(i,5); ++ ability = (reg_val&0x5e0) >>5; ++ if ((ability & 0x0C)) /* 100M */ ++ { ++// SPI_write(1,i,0x00,0x30050472); ++ if((ability&0x08)==0) // Half ++ mac_config = 0x00040004 |(17<<6); ++ else // Full ++ mac_config = 0x00040004 |(17<<6); ++ ++ SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port ++ mac_config |= (( BIT(i) << 19) | 0x08000000); ++ SPI_write(1,i,0x00,mac_config); ++ SPI_write(1,i,0x04,0x000300ff); // flow control ++ ++ reg_val = SPI_read(5,0,0x12); ++ reg_val &= ~BIT(i); ++ SPI_write(5,0,0x12,reg_val); ++ ++ reg_val = SPI_read(1,i,0x00); ++ reg_val &= ~0x08000000; ++ reg_val |= 0x10010000; ++ SPI_write(1,i,0x00,reg_val); ++// SPI_write(1,i,0x00,0x10050442); ++ printk("Port%d:100M\n",i); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_100; ++ } ++ else if((ability & 0x03)) /* 10M */ ++ { ++// SPI_write(1,i,0x00,0x30050473); ++ if((ability&0x2)==0) // Half ++ mac_config = 0x00040004 |(17<<6); ++ else // Full ++ mac_config = 0x00040004 |(17<<6); ++ ++ SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port ++ mac_config |= (( BIT(i) << 19) | 0x08000000); ++ SPI_write(1,i,0x00,mac_config); ++ SPI_write(1,i,0x04,0x000300ff); // flow control ++ ++ reg_val = SPI_read(5,0,0x12); ++ reg_val &= ~BIT(i); ++ SPI_write(5,0,0x12,reg_val); ++ ++ reg_val = SPI_read(1,i,0x00); ++ reg_val &= ~0x08000000; ++ reg_val |= 0x10010000; ++ SPI_write(1,i,0x00,reg_val); ++// SPI_write(1,i,0x00,0x10050443); ++ printk("Port%d:10M\n",i); ++ switch_pre_link[i]=LINK_UP; ++ switch_pre_speed[i]=GMAC_SPEED_10; ++ } ++ else{ ++ SPI_write(1,i,0x00,0x20000030); ++ printk("Port%d:Unknown mode\n",i); ++ switch_pre_link[i]=LINK_DOWN; ++ switch_pre_speed[i]=GMAC_SPEED_10; ++ } ++ } ++ } ++ else{ // Link up ==> Link UP ++ ++ } ++ } ++ else{ // Link Down ++ if(switch_pre_link[i]==LINK_UP){ ++ printk("Port%d:Link Down\n",i); ++ //phy_receiver_init(i); ++ reg_val = SPI_read(1,i,0); ++ reg_val &= ~BIT(16); ++ SPI_write(1,i,0x00,reg_val); // disable RX ++ SPI_write(5,0,0x0E,BIT(i)); // dicard packet ++ while((SPI_read(5,0,0x0C)&BIT(i))==0) // wait to be empty ++ msleep(1); ++ SPI_write(1,i,0x00,0x20000030); // PORT_RST ++ SPI_write(5,0,0x0E,SPI_read(5,0,0x0E) & ~BIT(i));// accept packet ++ ++ reg_val = SPI_read(5,0,0x12); ++ reg_val |= BIT(i); ++ SPI_write(5,0,0x12,reg_val); ++ } ++ switch_pre_link[i]=LINK_DOWN; ++ rcv_mask &= ~BIT(i); // disable receive ++ } ++ } ++ ++ SPI_write(2,0,0x10,rcv_mask); // Receive mask ++ return is_link; ++ ++} ++EXPORT_SYMBOL(Get_Set_port_status); ++ ++void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value) ++{ ++ int i; ++ char bit; ++ unsigned int data; ++ ++ SPI_CS_enable(1); ++ ++ data = (block<<5) | 0x10 | subblock; ++ ++ //send write command ++ for(i=SPI_OP_LEN-1;i>=0;i--) ++ { ++ bit = (data>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ ++ // send 8 bits address (MSB first, LSB last) ++ for(i=SPI_ADD_LEN-1;i>=0;i--) ++ { ++ bit = (addr>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ // send 32 bits data (MSB first, LSB last) ++ for(i=SPI_DAT_LEN-1;i>=0;i--) ++ { ++ bit = (value>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ ++ SPI_CS_enable(0); // CS low ++ ++} ++ ++ ++/************************************ ++* SPI_write_bit ++* bit_EEDO -> 1 or 0 to be written ++************************************/ ++void SPI_write_bit(char bit_EEDO) ++{ ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR); ++ value = readl(addr) |GPIO_EECK |GPIO_MOSI ; /* set EECK/MISO Pin to output */ ++ writel(value,addr); ++ if(bit_EEDO) ++ { ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET); ++ writel(GPIO_MOSI,addr); /* set MISO to 1 */ ++ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(GPIO_MOSI,addr); /* set MISO to 0 */ ++ } ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); /* set EECK to 1 */ ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); /* set EECK to 0 */ ++ ++ //return ; ++} ++ ++/********************************************************************** ++* read a bit from ADM6996 register ++***********************************************************************/ ++unsigned int SPI_read_bit(void) // read data from ++{ ++ unsigned int addr; ++ unsigned int value; ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR); ++ value = readl(addr) & (~GPIO_MISO); // set EECK to output and MISO to input ++ writel(value,addr); ++ ++ addr =(GPIO_BASE_ADDR1 + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); // set EECK to 1 ++ ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_IN); ++ value = readl(addr) ; ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); // set EECK to 0 ++ ++ ++ value = value >> 30; ++ return value ; ++} ++ ++/****************************************** ++* SPI_default ++* EEPROM content default value ++*******************************************/ ++int SPI_default(void) ++{ ++ int i; ++ unsigned reg_val,cmd; ++ ++#if 0 ++ SPI_write(7,0,0x1C,0x01); // map code space to 0 ++ ++ reg_val = SPI_read(7,0,0x10); ++ reg_val |= 0x0146; ++ reg_val &= ~0x0001; ++ SPI_write(7,0,0x10,reg_val); // reset iCPU and enable ext_access ++ SPI_write(7,0,0x11,0x0000); // start address ++ for(i=0;i<sizeof(vts_img);i++){ ++ SPI_write(7,0,0x12,vts_img[i]); // fill in ROM data ++ } ++ reg_val |= BIT(0)|BIT(3); ++ SPI_write(7,0,0x10,reg_val); // release iCPU ++ SPI_write(7,0,0x10,SPI_read(7,0,0x10)&~BIT(7)); // release iCPU ++ return ; ++#endif ++ ++ ++ for(i=0;i<15;i++){ ++ if(i!=6 && i!=7) ++ SPI_write(3,2,0,0x1010400+i); // Initial memory ++ mdelay(1); ++ } ++ ++ mdelay(30); ++ ++ SPI_write(2,0,0xB0,0x05); // Clear MAC table ++ SPI_write(2,0,0xD0,0x03); // Clear VLAN ++ ++ //for(i=0;i<5;i++) ++ SPI_write(1,6,0x19,0x2C); // Double Data rate ++ ++ for(i=0;i<4;i++){ ++ SPI_write(1,i,0x00,0x30050472); // MAC configure ++ SPI_write(1,i,0x00,0x10050442); // MAC configure ++ SPI_write(1,i,0x10,0x5F4); // Max length ++ SPI_write(1,i,0x04,0x00030000); // Flow control ++ SPI_write(1,i,0xDF,0x00000001); // Flow control ++ SPI_write(1,i,0x08,0x000050c2); // Flow control mac high ++ SPI_write(1,i,0x0C,0x002b00f1); // Flow control mac low ++ SPI_write(1,i,0x6E,BIT(3)); // forward pause frame ++ } ++ SPI_write(1,i,0x00,0x20000030); // set port 4 as reset ++ ++ SPI_write(1,6,0x00,0x300701B1); // MAC configure ++ SPI_write(1,6,0x00,0x10070181); // MAC configure ++ SPI_write(1,6,0x10,0x5F4); // Max length ++ SPI_write(1,6,0x04,0x00030000); // Flow control ++ SPI_write(1,6,0xDF,0x00000002); // Flow control ++ SPI_write(1,6,0x08,0x000050c2); // Flow control mac high ++ SPI_write(1,6,0x0C,0x002b00f1); // Flow control mac low ++ SPI_write(1,6,0x6E,BIT(3)); // forward pause frame ++ ++ ++ //SPI_write(7,0,0x05,0x31); // MII delay for loader ++ //SPI_write(7,0,0x05,0x01); // MII delay for kernel ++ SPI_write(7,0,0x05,0x33); ++ ++ SPI_write(2,0,0x10,0x4F); // Receive mask ++ ++ mdelay(50); ++ ++ SPI_write(7,0,0x14,0x02); // Release Reset ++ ++ mdelay(3); ++ ++ for(i=0;i<4;i++){ ++ init_seq_7385(i); ++ phy_receiver_init(i); ++ cmd = BIT(26)|(i<<21)|(0x1B<<16); // Config LED ++ SPI_write(3,0,1,cmd); ++ mdelay(10); ++ reg_val = SPI_read(3,0,2); ++ reg_val &= 0xFF00; ++ reg_val |= 0x61; ++ cmd = (i<<21)|(0x1B<<16)|reg_val; ++ SPI_write(3,0,1,cmd); ++ ++ cmd = BIT(26)|(i<<21)|(0x04<<16); // Pause enable ++ SPI_write(3,0,1,cmd); ++ mdelay(10); ++ reg_val = SPI_read(3,0,2); ++ reg_val |= BIT(10)|BIT(11); ++ cmd = (i<<21)|(0x04<<16)|reg_val; ++ SPI_write(3,0,1,cmd); ++ ++ cmd = BIT(26)|(i<<21)|(0x0<<16); // collision test and re-negotiation ++ SPI_write(3,0,1,cmd); ++ mdelay(10); ++ reg_val = SPI_read(3,0,2); ++ reg_val |= BIT(7)|BIT(8)|BIT(9); ++ cmd = (i<<21)|(0x0<<16)|reg_val; ++ SPI_write(3,0,1,cmd); ++ } ++ init_seq_7385(i); ++ writel(0x5787a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For switch timing ++ return 4; // return port_no ++} ++EXPORT_SYMBOL(SPI_default); ++ ++/*********************************************************** ++* SPI_CS_enable ++* before access ,you have to enable Chip Select. (pull high) ++* When fisish, you should pull low !! ++*************************************************************/ ++void SPI_CS_enable(unsigned char enable) ++{ ++ ++ unsigned int addr,value; ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR); ++ value = readl(addr) |GPIO_EECS |GPIO_EECK; /* set EECS/EECK Pin to output */ ++ writel(value,addr); ++ ++ if(enable) ++ { ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(GPIO_EECK,addr); /* set EECK to 0 */ // pull low clk first ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(GPIO_EECS,addr); /* set EECS to 0 */ ++ ++ } ++ else ++ { ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET); ++ writel(GPIO_EECK,addr); /* set EECK to 1 */ // pull high clk before disable ++ writel(GPIO_EECS,addr); /* set EECS to 1 */ ++ } ++} ++ ++ ++/************************************************ ++* SPI_read ++* table -> which table to be read: 1/count 0/EEPROM ++* addr -> Address to be read ++* return : Value of the register ++*************************************************/ ++unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr) ++{ ++ int i; ++ char bit; ++ unsigned int data,value=0; ++ ++ SPI_CS_enable(1); ++ ++ data = (block<<5) | subblock; ++ ++ //send write command ++ for(i=SPI_OP_LEN-1;i>=0;i--) ++ { ++ bit = (data>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ ++ // send 8 bits address (MSB first, LSB last) ++ for(i=SPI_ADD_LEN-1;i>=0;i--) ++ { ++ bit = (addr>>i)& 0x01; ++ SPI_write_bit(bit); ++ } ++ ++ // dummy read for chip ready ++ for(i=0;i<8;i++) ++ SPI_read_bit(); ++ ++ ++ // read 32 bits data (MSB first, LSB last) ++ for(i=SPI_DAT_LEN-1;i>=0;i--) ++ { ++ bit = SPI_read_bit(); ++ value |= bit<<i; ++ } ++ ++ SPI_CS_enable(0); // CS low ++ return(value); ++ ++} ++ ++void pull_low_gpio(unsigned int val) ++{ ++ ++ unsigned int addr,value; ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR); ++ writel(val,addr); /* set pin low to save power*/ ++ ++ addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR); ++ value = readl(addr) & ~ val; /* set Pin to input */ ++ writel(value,addr); ++ ++// value = readl(GMAC_GLOBAL_BASE_ADDR+0x0C); // reset GPIO1 module(self clear) ++// value |= BIT(21); ++// writel(value,GMAC_GLOBAL_BASE_ADDR+0x0C); ++} ++ ++unsigned int SPI_get_identifier(void) ++{ ++ unsigned int flag=0; ++ ++ SPI_write(7,0,0x01,0x01); ++ flag = SPI_read(7,0,0x18); // chip id ++ if((flag & 0x0ffff000)==0x07385000){ ++ printk("Get VSC-switch ID 0x%08x\n",flag); ++ //Giga_switch = 1;; ++ return 1; ++ } ++ else{ ++ printk("VSC-switch not found\n"); ++ //Giga_switch = 0; ++ pull_low_gpio(GPIO_EECK|GPIO_MOSI|GPIO_MISO|GPIO_EECS); // reduce power consume ++ return 0; ++ } ++} ++EXPORT_SYMBOL(SPI_get_identifier); ++ +--- /dev/null ++++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h +@@ -0,0 +1,2223 @@ ++/**************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl351x_gmac.h ++* Description : ++* Define for device driver of Storlink SL351x network Engine ++* ++* Historych ++* ++* Date Writer Description ++* ----------- ----------- ------------------------------------------------- ++* 08/22/2005 Gary Chen Create and implement ++* ++****************************************************************************/ ++#ifndef _GMAC_SL351x_H ++#define _GMAC_SL351x_H ++#include <linux/skbuff.h> ++ ++#define SL351x_GMAC_WORKAROUND 1 ++ ++#undef BIG_ENDIAN ++#define BIG_ENDIAN 0 ++#define GMAC_DEBUG 1 ++#define GMAC_NUM 2 ++//#define L2_jumbo_frame 1 ++ ++#define _PACKED_ __attribute__ ((aligned(1), packed)) ++ ++#ifndef BIT ++#define BIT(x) (1 << (x)) ++#endif ++ ++#define REG32(addr) (*(volatile unsigned long * const)(addr)) ++ ++#define DMA_MALLOC(size,handle) pci_alloc_consistent(NULL,size,handle) ++#define DMA_MFREE(mem,size,handle) pci_free_consistent(NULL,size,mem,handle) ++ ++// Define frame size ++#define ETHER_ADDR_LEN 6 ++#define GMAC_MAX_ETH_FRAME_SIZE 1514 ++#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31)) ++#define MAX_ISR_WORK 20 ++ ++#ifdef L2_jumbo_frame ++#define SW_RX_BUF_SIZE 9234 // 2048 ,9234 ++#else ++#define SW_RX_BUF_SIZE 1536 // 2048 ++#endif ++ ++#define HW_RX_BUF_SIZE 1536 // 2048 ++ ++#define GMAC_DEV_TX_TIMEOUT (10*HZ) //add by CH ++#define SKB_RESERVE_BYTES 16 ++ ++/********************************************************************** ++ * Base Register ++ **********************************************************************/ ++#define TOE_BASE (IO_ADDRESS(SL2312_TOE_BASE)) ++#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE)) ++ ++#define TOE_GLOBAL_BASE (TOE_BASE + 0x0000) ++#define TOE_NONTOE_QUE_HDR_BASE (TOE_BASE + 0x2000) ++#define TOE_TOE_QUE_HDR_BASE (TOE_BASE + 0x3000) ++#define TOE_V_BIT_BASE (TOE_BASE + 0x4000) ++#define TOE_A_BIT_BASE (TOE_BASE + 0x6000) ++#define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000) ++#define TOE_GMAC0_BASE (TOE_BASE + 0xA000) ++#define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000) ++#define TOE_GMAC1_BASE (TOE_BASE + 0xE000) ++ ++/********************************************************************** ++ * Queue ID ++ **********************************************************************/ ++#define TOE_SW_FREE_QID 0x00 ++#define TOE_HW_FREE_QID 0x01 ++#define TOE_GMAC0_SW_TXQ0_QID 0x02 ++#define TOE_GMAC0_SW_TXQ1_QID 0x03 ++#define TOE_GMAC0_SW_TXQ2_QID 0x04 ++#define TOE_GMAC0_SW_TXQ3_QID 0x05 ++#define TOE_GMAC0_SW_TXQ4_QID 0x06 ++#define TOE_GMAC0_SW_TXQ5_QID 0x07 ++#define TOE_GMAC0_HW_TXQ0_QID 0x08 ++#define TOE_GMAC0_HW_TXQ1_QID 0x09 ++#define TOE_GMAC0_HW_TXQ2_QID 0x0A ++#define TOE_GMAC0_HW_TXQ3_QID 0x0B ++#define TOE_GMAC1_SW_TXQ0_QID 0x12 ++#define TOE_GMAC1_SW_TXQ1_QID 0x13 ++#define TOE_GMAC1_SW_TXQ2_QID 0x14 ++#define TOE_GMAC1_SW_TXQ3_QID 0x15 ++#define TOE_GMAC1_SW_TXQ4_QID 0x16 ++#define TOE_GMAC1_SW_TXQ5_QID 0x17 ++#define TOE_GMAC1_HW_TXQ0_QID 0x18 ++#define TOE_GMAC1_HW_TXQ1_QID 0x19 ++#define TOE_GMAC1_HW_TXQ2_QID 0x1A ++#define TOE_GMAC1_HW_TXQ3_QID 0x1B ++#define TOE_GMAC0_DEFAULT_QID 0x20 ++#define TOE_GMAC1_DEFAULT_QID 0x21 ++#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F ++#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F ++ ++/********************************************************************** ++ * TOE DMA Queue Number should be 2^n, n = 6...12 ++ * TOE DMA Queues are the following queue types: ++ * SW Free Queue, HW Free Queue, ++ * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5 ++ * They have same descriptor numbers. ++ * The base address and descriptor number are configured at ++ * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004) ++ **********************************************************************/ ++#define TOE_SW_FREEQ_DESC_POWER 10 ++#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER) ++#define TOE_HW_FREEQ_DESC_POWER 8 ++#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER) ++#define TOE_GMAC0_SWTXQ_DESC_POWER 8 ++#define TOE_GMAC0_SWTXQ_DESC_NUM (1<<TOE_GMAC0_SWTXQ_DESC_POWER) ++#define TOE_GMAC0_HWTXQ_DESC_POWER 8 ++#define TOE_GMAC0_HWTXQ_DESC_NUM (1<<TOE_GMAC0_HWTXQ_DESC_POWER) ++#define TOE_GMAC1_SWTXQ_DESC_POWER 8 ++#define TOE_GMAC1_SWTXQ_DESC_NUM (1<<TOE_GMAC1_SWTXQ_DESC_POWER) ++#define TOE_GMAC1_HWTXQ_DESC_POWER 8 ++#define TOE_GMAC1_HWTXQ_DESC_NUM (1<<TOE_GMAC1_HWTXQ_DESC_POWER) ++#define TOE_DEFAULT_Q0_DESC_POWER 8 ++#define TOE_DEFAULT_Q0_DESC_NUM (1<<TOE_DEFAULT_Q0_DESC_POWER) ++#define TOE_DEFAULT_Q1_DESC_POWER 8 ++#define TOE_DEFAULT_Q1_DESC_NUM (1<<TOE_DEFAULT_Q1_DESC_POWER) ++#define TOE_TOE_DESC_POWER 8 ++#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER) ++#define TOE_CLASS_DESC_POWER 8 ++#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER) ++#define TOE_INTR_DESC_POWER 8 ++#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER) ++ ++#define TOE_TOE_QUEUE_MAX 64 ++#define TOE_TOE_QUEUE_NUM 64 ++#define TOE_CLASS_QUEUE_MAX 14 ++#define TOE_CLASS_QUEUE_NUM 14 ++#define TOE_INTR_QUEUE_MAX 4 ++#define TOE_INTR_QUEUE_NUM 4 ++#define TOE_SW_TXQ_MAX 6 ++#define TOE_SW_TXQ_NUM 1 ++#define TOE_HW_TXQ_MAX 4 ++#define TOE_HW_TXQ_NUM 4 ++#define _max(x,y) ((x>y) ? x :y) ++#define TX_DESC_NUM _max(TOE_GMAC0_SWTXQ_DESC_NUM, TOE_GMAC1_SWTXQ_DESC_NUM) ++ ++#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1) ++#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1) ++#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr)+2) = (u16)data) ++#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data) ++ ++/********************************************************************** ++ * Global registers ++ * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000) ++ * Base 0x60000000 ++ **********************************************************************/ ++#define GLOBAL_TOE_VERSION_REG 0x0000 ++#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004 ++#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008 ++#define GLOBAL_DMA_SKB_SIZE_REG 0x0010 ++#define GLOBAL_SWFQ_RWPTR_REG 0x0014 ++#define GLOBAL_HWFQ_RWPTR_REG 0x0018 ++#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020 ++#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024 ++#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028 ++#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030 ++#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034 ++#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038 ++#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040 ++#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044 ++#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048 ++#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050 ++#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054 ++#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058 ++#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060 ++#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064 ++#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068 ++#define GLOBAL_HASH_TABLE_BASE_REG 0x006C ++#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070 ++ ++/********************************************************************** ++ * GMAC 0/1 DMA/TOE register ++ * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000) ++ * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000) ++ * Base 0x60008000 or 0x6000C000 ++ **********************************************************************/ ++#define GMAC_DMA_CTRL_REG 0x0000 ++#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004 ++#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008 ++#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C ++#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010 ++#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014 ++#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018 ++#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C ++#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020 ++#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024 ++#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028 ++#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C ++#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030 ++#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038 ++#define GMAC_DMA_TX_CURR_DESC_REG 0x003C ++#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040 ++#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044 ++#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048 ++#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C ++#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050 ++#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054 ++#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058 ++#define GMAC_DMA_RX_CURR_DESC_REG 0x005C ++#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060 ++#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064 ++#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068 ++#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C ++#define GMAC_HASH_ENGINE_REG0 0x0070 ++#define GMAC_HASH_ENGINE_REG1 0x0074 ++#define GMAC_MR0CR0 0x0078 // matching rule 0 Control register 0 ++#define GMAC_MR0CR1 0x007C // matching rule 0 Control register 1 ++#define GMAC_MR0CR2 0x0080 // matching rule 0 Control register 2 ++#define GMAC_MR1CR0 0x0084 // matching rule 1 Control register 0 ++#define GMAC_MR1CR1 0x0088 // matching rule 1 Control register 1 ++#define GMAC_MR1CR2 0x008C // matching rule 1 Control register 2 ++#define GMAC_MR2CR0 0x0090 // matching rule 2 Control register 0 ++#define GMAC_MR2CR1 0x0094 // matching rule 2 Control register 1 ++#define GMAC_MR2CR2 0x0098 // matching rule 2 Control register 2 ++#define GMAC_MR3CR0 0x009C // matching rule 3 Control register 0 ++#define GMAC_MR3CR1 0x00A0 // matching rule 3 Control register 1 ++#define GMAC_MR3CR2 0x00A4 // matching rule 3 Control register 2 ++#define GMAC_SPR0 0x00A8 // Support Protocol Regsister 0 ++#define GMAC_SPR1 0x00AC // Support Protocol Regsister 1 ++#define GMAC_SPR2 0x00B0 // Support Protocol Regsister 2 ++#define GMAC_SPR3 0x00B4 // Support Protocol Regsister 3 ++#define GMAC_SPR4 0x00B8 // Support Protocol Regsister 4 ++#define GMAC_SPR5 0x00BC // Support Protocol Regsister 5 ++#define GMAC_SPR6 0x00C0 // Support Protocol Regsister 6 ++#define GMAC_SPR7 0x00C4 // Support Protocol Regsister 7 ++#define GMAC_AHB_WEIGHT_REG 0x00C8 // GMAC Hash/Rx/Tx AHB Weighting register ++ ++/********************************************************************** ++ * TOE GMAC 0/1 register ++ * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000) ++ * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000) ++ * Base 0x6000A000 or 0x6000E000 ++ **********************************************************************/ ++enum GMAC_REGISTER { ++ GMAC_STA_ADD0 = 0x0000, ++ GMAC_STA_ADD1 = 0x0004, ++ GMAC_STA_ADD2 = 0x0008, ++ GMAC_RX_FLTR = 0x000c, ++ GMAC_MCAST_FIL0 = 0x0010, ++ GMAC_MCAST_FIL1 = 0x0014, ++ GMAC_CONFIG0 = 0x0018, ++ GMAC_CONFIG1 = 0x001c, ++ GMAC_CONFIG2 = 0x0020, ++ GMAC_CONFIG3 = 0x0024, ++ GMAC_RESERVED = 0x0028, ++ GMAC_STATUS = 0x002c, ++ GMAC_IN_DISCARDS= 0x0030, ++ GMAC_IN_ERRORS = 0x0034, ++ GMAC_IN_MCAST = 0x0038, ++ GMAC_IN_BCAST = 0x003c, ++ GMAC_IN_MAC1 = 0x0040, // for STA 1 MAC Address ++ GMAC_IN_MAC2 = 0x0044 // for STA 2 MAC Address ++}; ++/********************************************************************** ++ * TOE version Register (offset 0x0000) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int reserved : 15; // bit 31:17 ++ unsigned int v_bit_mode : 1; // bit 16 1: 128-entry ++ unsigned int device_id : 12; // bit 15:4 Device ID ++ unsigned int revision_id : 4; // bit 3:0 Revision ID ++#else ++ unsigned int revision_id : 4; // bit 3:0 Revision ID ++ unsigned int device_id : 12; // bit 15:4 Device ID ++ unsigned int v_bit_mode : 1; // bit 16 1: 128-entry ++ unsigned int reserved : 15; // bit 31:17 ++#endif ++ } bits; ++} TOE_VERSION_T; ++ ++ ++/********************************************************************** ++ * DMA Queues description Ring Base Address/Size Register (offset 0x0004) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int base_size; ++} DMA_Q_BASE_SIZE_T; ++#define DMA_Q_BASE_MASK (~0x0f) ++ ++/********************************************************************** ++ * DMA SKB Buffer register (offset 0x0008) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0008 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int hw_skb_size : 16; // bit 31:16 HW Free poll SKB Size ++ unsigned int sw_skb_size : 16; // bit 15:0 SW Free poll SKB Size ++#else ++ unsigned int sw_skb_size : 16; // bit 15:0 SW Free poll SKB Size ++ unsigned int hw_skb_size : 16; // bit 31:16 HW Free poll SKB Size ++#endif ++ } bits; ++} DMA_SKB_SIZE_T; ++ ++/********************************************************************** ++ * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_000c ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int wptr : 16; // bit 31:16 Write Ptr, RW ++ unsigned int rptr : 16; // bit 15:0 Read Ptr, RO ++#else ++ unsigned int rptr : 16; // bit 15:0 Read Ptr, RO ++ unsigned int wptr : 16; // bit 31:16 Write Ptr, RW ++#endif ++ } bits; ++} DMA_RWPTR_T; ++ ++/********************************************************************** ++ * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010) ++ **********************************************************************/ ++// see DMA_RWPTR_T structure ++ ++/********************************************************************** ++ * Interrupt Status Register 0 (offset 0x0020) ++ * Interrupt Mask Register 0 (offset 0x0024) ++ * Interrupt Select Register 0 (offset 0x0028) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0020 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int txDerr1 : 1; // bit 31 GMAC1 AHB Bus Error while Tx ++ unsigned int txPerr1 : 1; // bit 30 GMAC1 Tx Descriptor Protocol Error ++ unsigned int txDerr0 : 1; // bit 29 GMAC0 AHB Bus Error while Tx ++ unsigned int txPerr0 : 1; // bit 28 GMAC0 Tx Descriptor Protocol Error ++ unsigned int rxDerr1 : 1; // bit 27 GMAC1 AHB Bus Error while Rx ++ unsigned int rxPerr1 : 1; // bit 26 GMAC1 Rx Descriptor Protocol Error ++ unsigned int rxDerr0 : 1; // bit 25 GMAC0 AHB Bus Error while Rx ++ unsigned int rxPerr0 : 1; // bit 24 GMAC0 Rx Descriptor Protocol Error ++ unsigned int swtq15_fin : 1; // bit 23 GMAC1 SW Tx Queue 5 Finish Interrupt ++ unsigned int swtq14_fin : 1; // bit 22 GMAC1 SW Tx Queue 4 Finish Interrupt ++ unsigned int swtq13_fin : 1; // bit 21 GMAC1 SW Tx Queue 3 Finish Interrupt ++ unsigned int swtq12_fin : 1; // bit 20 GMAC1 SW Tx Queue 2 Finish Interrupt ++ unsigned int swtq11_fin : 1; // bit 19 GMAC1 SW Tx Queue 1 Finish Interrupt ++ unsigned int swtq10_fin : 1; // bit 18 GMAC1 SW Tx Queue 0 Finish Interrupt ++ unsigned int swtq05_fin : 1; // bit 17 GMAC0 SW Tx Queue 5 Finish Interrupt ++ unsigned int swtq04_fin : 1; // bit 16 GMAC0 SW Tx Queue 4 Finish Interrupt ++ unsigned int swtq03_fin : 1; // bit 15 GMAC0 SW Tx Queue 3 Finish Interrupt ++ unsigned int swtq02_fin : 1; // bit 14 GMAC0 SW Tx Queue 2 Finish Interrupt ++ unsigned int swtq01_fin : 1; // bit 13 GMAC0 SW Tx Queue 1 Finish Interrupt ++ unsigned int swtq00_fin : 1; // bit 12 GMAC0 SW Tx Queue 0 Finish Interrupt ++ unsigned int swtq15_eof : 1; // bit 11 GMAC1 SW Tx Queue 5 EOF Interrupt ++ unsigned int swtq14_eof : 1; // bit 10 GMAC1 SW Tx Queue 4 EOF Interrupt ++ unsigned int swtq13_eof : 1; // bit 9 GMAC1 SW Tx Queue 3 EOF Interrupt ++ unsigned int swtq12_eof : 1; // bit 8 GMAC1 SW Tx Queue 2 EOF Interrupt ++ unsigned int swtq11_eof : 1; // bit 7 GMAC1 SW Tx Queue 1 EOF Interrupt ++ unsigned int swtq10_eof : 1; // bit 6 GMAC1 SW Tx Queue 0 EOF Interrupt ++ unsigned int swtq05_eof : 1; // bit 5 GMAC0 SW Tx Queue 5 EOF Interrupt ++ unsigned int swtq04_eof : 1; // bit 4 GMAC0 SW Tx Queue 4 EOF Interrupt ++ unsigned int swtq03_eof : 1; // bit 3 GMAC0 SW Tx Queue 3 EOF Interrupt ++ unsigned int swtq02_eof : 1; // bit 2 GMAC0 SW Tx Queue 2 EOF Interrupt ++ unsigned int swtq01_eof : 1; // bit 1 GMAC0 SW Tx Queue 1 EOF Interrupt ++ unsigned int swtq00_eof : 1; // bit 0 GMAC0 SW Tx Queue 0 EOF Interrupt ++#else ++ unsigned int swtq00_eof : 1; // bit 0 GMAC0 SW Tx Queue 0 EOF Interrupt ++ unsigned int swtq01_eof : 1; // bit 1 GMAC0 SW Tx Queue 1 EOF Interrupt ++ unsigned int swtq02_eof : 1; // bit 2 GMAC0 SW Tx Queue 2 EOF Interrupt ++ unsigned int swtq03_eof : 1; // bit 3 GMAC0 SW Tx Queue 3 EOF Interrupt ++ unsigned int swtq04_eof : 1; // bit 4 GMAC0 SW Tx Queue 4 EOF Interrupt ++ unsigned int swtq05_eof : 1; // bit 5 GMAC0 SW Tx Queue 5 EOF Interrupt ++ unsigned int swtq10_eof : 1; // bit 6 GMAC1 SW Tx Queue 0 EOF Interrupt ++ unsigned int swtq11_eof : 1; // bit 7 GMAC1 SW Tx Queue 1 EOF Interrupt ++ unsigned int swtq12_eof : 1; // bit 8 GMAC1 SW Tx Queue 2 EOF Interrupt ++ unsigned int swtq13_eof : 1; // bit 9 GMAC1 SW Tx Queue 3 EOF Interrupt ++ unsigned int swtq14_eof : 1; // bit 10 GMAC1 SW Tx Queue 4 EOF Interrupt ++ unsigned int swtq15_eof : 1; // bit 11 GMAC1 SW Tx Queue 5 EOF Interrupt ++ unsigned int swtq00_fin : 1; // bit 12 GMAC0 SW Tx Queue 0 Finish Interrupt ++ unsigned int swtq01_fin : 1; // bit 13 GMAC0 SW Tx Queue 1 Finish Interrupt ++ unsigned int swtq02_fin : 1; // bit 14 GMAC0 SW Tx Queue 2 Finish Interrupt ++ unsigned int swtq03_fin : 1; // bit 15 GMAC0 SW Tx Queue 3 Finish Interrupt ++ unsigned int swtq04_fin : 1; // bit 16 GMAC0 SW Tx Queue 4 Finish Interrupt ++ unsigned int swtq05_fin : 1; // bit 17 GMAC0 SW Tx Queue 5 Finish Interrupt ++ unsigned int swtq10_fin : 1; // bit 18 GMAC1 SW Tx Queue 0 Finish Interrupt ++ unsigned int swtq11_fin : 1; // bit 19 GMAC1 SW Tx Queue 1 Finish Interrupt ++ unsigned int swtq12_fin : 1; // bit 20 GMAC1 SW Tx Queue 2 Finish Interrupt ++ unsigned int swtq13_fin : 1; // bit 21 GMAC1 SW Tx Queue 3 Finish Interrupt ++ unsigned int swtq14_fin : 1; // bit 22 GMAC1 SW Tx Queue 4 Finish Interrupt ++ unsigned int swtq15_fin : 1; // bit 23 GMAC1 SW Tx Queue 5 Finish Interrupt ++ unsigned int rxPerr0 : 1; // bit 24 GMAC0 Rx Descriptor Protocol Error ++ unsigned int rxDerr0 : 1; // bit 25 GMAC0 AHB Bus Error while Rx ++ unsigned int rxPerr1 : 1; // bit 26 GMAC1 Rx Descriptor Protocol Error ++ unsigned int rxDerr1 : 1; // bit 27 GMAC1 AHB Bus Error while Rx ++ unsigned int txPerr0 : 1; // bit 28 GMAC0 Tx Descriptor Protocol Error ++ unsigned int txDerr0 : 1; // bit 29 GMAC0 AHB Bus Error while Tx ++ unsigned int txPerr1 : 1; // bit 30 GMAC1 Tx Descriptor Protocol Error ++ unsigned int txDerr1 : 1; // bit 31 GMAC1 AHB Bus Error while Tx ++#endif ++ } bits; ++} INTR_REG0_T; ++ ++#define GMAC1_TXDERR_INT_BIT BIT(31) ++#define GMAC1_TXPERR_INT_BIT BIT(30) ++#define GMAC0_TXDERR_INT_BIT BIT(29) ++#define GMAC0_TXPERR_INT_BIT BIT(28) ++#define GMAC1_RXDERR_INT_BIT BIT(27) ++#define GMAC1_RXPERR_INT_BIT BIT(26) ++#define GMAC0_RXDERR_INT_BIT BIT(25) ++#define GMAC0_RXPERR_INT_BIT BIT(24) ++#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23) ++#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22) ++#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21) ++#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20) ++#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19) ++#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18) ++#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17) ++#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16) ++#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15) ++#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14) ++#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13) ++#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12) ++#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11) ++#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10) ++#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9) ++#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8) ++#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7) ++#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6) ++#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5) ++#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4) ++#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3) ++#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2) ++#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1) ++#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0) ++ ++ ++/********************************************************************** ++ * Interrupt Status Register 1 (offset 0x0030) ++ * Interrupt Mask Register 1 (offset 0x0034) ++ * Interrupt Select Register 1 (offset 0x0038) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0030 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int toe_iq3_full : 1; // bit 31 TOE Interrupt Queue 3 Full Interrupt ++ unsigned int toe_iq2_full : 1; // bit 30 TOE Interrupt Queue 2 Full Interrupt ++ unsigned int toe_iq1_full : 1; // bit 29 TOE Interrupt Queue 1 Full Interrupt ++ unsigned int toe_iq0_full : 1; // bit 28 TOE Interrupt Queue 0 Full Interrupt ++ unsigned int toe_iq3_intr : 1; // bit 27 TOE Interrupt Queue 3 with Interrupts ++ unsigned int toe_iq2_intr : 1; // bit 26 TOE Interrupt Queue 2 with Interrupts ++ unsigned int toe_iq1_intr : 1; // bit 25 TOE Interrupt Queue 1 with Interrupts ++ unsigned int toe_iq0_intr : 1; // bit 24 TOE Interrupt Queue 0 with Interrupts ++ unsigned int hwtq13_eof : 1; // bit 23 GMAC1 HW Tx Queue3 EOF Interrupt ++ unsigned int hwtq12_eof : 1; // bit 22 GMAC1 HW Tx Queue2 EOF Interrupt ++ unsigned int hwtq11_eof : 1; // bit 21 GMAC1 HW Tx Queue1 EOF Interrupt ++ unsigned int hwtq10_eof : 1; // bit 20 GMAC1 HW Tx Queue0 EOF Interrupt ++ unsigned int hwtq03_eof : 1; // bit 19 GMAC0 HW Tx Queue3 EOF Interrupt ++ unsigned int hwtq02_eof : 1; // bit 18 GMAC0 HW Tx Queue2 EOF Interrupt ++ unsigned int hwtq01_eof : 1; // bit 17 GMAC0 HW Tx Queue1 EOF Interrupt ++ unsigned int hwtq00_eof : 1; // bit 16 GMAC0 HW Tx Queue0 EOF Interrupt ++ unsigned int class_rx : 14; // bit 15:2 Classification Queue Rx Interrupt ++ unsigned int default_q1_eof : 1; // bit 1 Default Queue 1 EOF Interrupt ++ unsigned int default_q0_eof : 1; // bit 0 Default Queue 0 EOF Interrupt ++#else ++ unsigned int default_q0_eof : 1; // bit 0 Default Queue 0 EOF Interrupt ++ unsigned int default_q1_eof : 1; // bit 1 Default Queue 1 EOF Interrupt ++ unsigned int class_rx : 14; // bit 15:2 Classification Queue Rx Interrupt ++ unsigned int hwtq00_eof : 1; // bit 16 GMAC0 HW Tx Queue0 EOF Interrupt ++ unsigned int hwtq01_eof : 1; // bit 17 GMAC0 HW Tx Queue1 EOF Interrupt ++ unsigned int hwtq02_eof : 1; // bit 18 GMAC0 HW Tx Queue2 EOF Interrupt ++ unsigned int hwtq03_eof : 1; // bit 19 GMAC0 HW Tx Queue3 EOF Interrupt ++ unsigned int hwtq10_eof : 1; // bit 20 GMAC1 HW Tx Queue0 EOF Interrupt ++ unsigned int hwtq11_eof : 1; // bit 21 GMAC1 HW Tx Queue1 EOF Interrupt ++ unsigned int hwtq12_eof : 1; // bit 22 GMAC1 HW Tx Queue2 EOF Interrupt ++ unsigned int hwtq13_eof : 1; // bit 23 GMAC1 HW Tx Queue3 EOF Interrupt ++ unsigned int toe_iq0_intr : 1; // bit 24 TOE Interrupt Queue 0 with Interrupts ++ unsigned int toe_iq1_intr : 1; // bit 25 TOE Interrupt Queue 1 with Interrupts ++ unsigned int toe_iq2_intr : 1; // bit 26 TOE Interrupt Queue 2 with Interrupts ++ unsigned int toe_iq3_intr : 1; // bit 27 TOE Interrupt Queue 3 with Interrupts ++ unsigned int toe_iq0_full : 1; // bit 28 TOE Interrupt Queue 0 Full Interrupt ++ unsigned int toe_iq1_full : 1; // bit 29 TOE Interrupt Queue 1 Full Interrupt ++ unsigned int toe_iq2_full : 1; // bit 30 TOE Interrupt Queue 2 Full Interrupt ++ unsigned int toe_iq3_full : 1; // bit 31 TOE Interrupt Queue 3 Full Interrupt ++#endif ++ } bits; ++} INTR_REG1_T; ++ ++#define TOE_IQ3_FULL_INT_BIT BIT(31) ++#define TOE_IQ2_FULL_INT_BIT BIT(30) ++#define TOE_IQ1_FULL_INT_BIT BIT(29) ++#define TOE_IQ0_FULL_INT_BIT BIT(28) ++#define TOE_IQ3_INT_BIT BIT(27) ++#define TOE_IQ2_INT_BIT BIT(26) ++#define TOE_IQ1_INT_BIT BIT(25) ++#define TOE_IQ0_INT_BIT BIT(24) ++#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23) ++#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22) ++#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21) ++#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20) ++#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19) ++#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18) ++#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17) ++#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16) ++#define CLASS_RX_INT_BIT(x) BIT((x+2)) ++#define DEFAULT_Q1_INT_BIT BIT(1) ++#define DEFAULT_Q0_INT_BIT BIT(0) ++ ++#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \ ++ TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT) ++#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \ ++ TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT) ++#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS) ++#define TOE_CLASS_RX_INT_BITS 0xfffc ++ ++/********************************************************************** ++ * Interrupt Status Register 2 (offset 0x0040) ++ * Interrupt Mask Register 2 (offset 0x0044) ++ * Interrupt Select Register 2 (offset 0x0048) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0040 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt ++ unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt ++ unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt ++ unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt ++ unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt ++ unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt ++ unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt ++ unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt ++ unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt ++ unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt ++ unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt ++ unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt ++ unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt ++ unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt ++ unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt ++ unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt ++ unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt ++ unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt ++ unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt ++ unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt ++ unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt ++ unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt ++ unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt ++ unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt ++ unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt ++ unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt ++ unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt ++ unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt ++ unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt ++ unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt ++ unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt ++ unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt ++#else ++ unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt ++ unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt ++ unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt ++ unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt ++ unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt ++ unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt ++ unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt ++ unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt ++ unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt ++ unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt ++ unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt ++ unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt ++ unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt ++ unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt ++ unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt ++ unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt ++ unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt ++ unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt ++ unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt ++ unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt ++ unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt ++ unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt ++ unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt ++ unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt ++ unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt ++ unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt ++ unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt ++ unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt ++ unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt ++ unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt ++ unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt ++ unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt ++#endif ++ } bits; ++} INTR_REG2_T; ++ ++#define TOE_QL_FULL_INT_BIT(x) BIT(x) ++ ++/********************************************************************** ++ * Interrupt Status Register 3 (offset 0x0050) ++ * Interrupt Mask Register 3 (offset 0x0054) ++ * Interrupt Select Register 3 (offset 0x0058) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0050 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt ++ unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt ++ unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt ++ unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt ++ unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt ++ unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt ++ unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt ++ unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt ++ unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt ++ unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt ++ unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt ++ unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt ++ unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt ++ unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt ++ unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt ++ unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt ++ unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt ++ unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt ++ unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt ++ unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt ++ unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt ++ unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt ++ unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt ++ unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt ++ unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt ++ unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt ++ unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt ++ unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt ++ unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt ++ unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt ++ unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt ++ unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt ++#else ++ unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt ++ unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt ++ unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt ++ unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt ++ unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt ++ unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt ++ unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt ++ unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt ++ unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt ++ unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt ++ unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt ++ unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt ++ unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt ++ unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt ++ unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt ++ unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt ++ unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt ++ unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt ++ unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt ++ unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt ++ unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt ++ unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt ++ unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt ++ unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt ++ unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt ++ unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt ++ unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt ++ unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt ++ unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt ++ unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt ++ unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt ++ unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt ++#endif ++ } bits; ++} INTR_REG3_T; ++ ++#define TOE_QH_FULL_INT_BIT(x) BIT(x-32) ++ ++/********************************************************************** ++ * Interrupt Status Register 4 (offset 0x0060) ++ * Interrupt Mask Register 4 (offset 0x0064) ++ * Interrupt Select Register 4 (offset 0x0068) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned char byte; ++ struct bit_0060 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned char reserved : 1; // ++ unsigned char cnt_full : 1; // MIB counters half full interrupt ++ unsigned char rx_pause_on : 1; // received pause on frame interrupt ++ unsigned char tx_pause_on : 1; // transmit pause on frame interrupt ++ unsigned char rx_pause_off : 1; // received pause off frame interrupt ++ unsigned char tx_pause_off : 1; // received pause off frame interrupt ++ unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt ++ unsigned char status_changed: 1; // Status Changed Intr for RGMII Mode ++#else ++ unsigned char status_changed: 1; // Status Changed Intr for RGMII Mode ++ unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt ++ unsigned char tx_pause_off : 1; // received pause off frame interrupt ++ unsigned char rx_pause_off : 1; // received pause off frame interrupt ++ unsigned char tx_pause_on : 1; // transmit pause on frame interrupt ++ unsigned char rx_pause_on : 1; // received pause on frame interrupt ++ unsigned char cnt_full : 1; // MIB counters half full interrupt ++ unsigned char reserved : 1; // ++#endif ++ } _PACKED_ bits; ++} _PACKED_ GMAC_INTR_T; ++ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0060_2 ++ { ++#if (BIG_ENDIAN==1) ++ GMAC_INTR_T gmac1; ++ GMAC_INTR_T gmac0; ++ unsigned int class_qf_int: 14; // bit 15:2 Classification Rx Queue13-0 Full Intr. ++ unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr. ++ unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr. ++#else ++#endif ++ unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr. ++ unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr. ++ unsigned int class_qf_int: 14; // bit 15:2 Classification Rx Queue13-0 Full Intr. ++ GMAC_INTR_T gmac0; ++ GMAC_INTR_T gmac1; ++ } bits; ++} INTR_REG4_T; ++ ++#define GMAC1_RESERVED_INT_BIT BIT(31) ++#define GMAC1_MIB_INT_BIT BIT(30) ++#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29) ++#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28) ++#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27) ++#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26) ++#define GMAC1_RX_OVERRUN_INT_BIT BIT(25) ++#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24) ++#define GMAC0_RESERVED_INT_BIT BIT(23) ++#define GMAC0_MIB_INT_BIT BIT(22) ++#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21) ++#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20) ++#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19) ++#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18) ++#define GMAC0_RX_OVERRUN_INT_BIT BIT(17) ++#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16) ++#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2)) ++#define HWFQ_EMPTY_INT_BIT BIT(1) ++#define SWFQ_EMPTY_INT_BIT BIT(0) ++ ++#if 1 ++#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT) ++#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT) ++#else ++#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \ ++ GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \ ++ GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \ ++ GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT) ++#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \ ++ GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \ ++ GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \ ++ GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT) ++#endif ++ ++#define CLASS_RX_FULL_INT_BITS 0xfffc ++ ++/********************************************************************** ++ * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070) ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_0070_2 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int toe_class : 8; // 31:24 ++ unsigned int intrq : 8; // 23:16 ++ unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold ++ unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold ++#else ++#endif ++ unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold ++ unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold ++ unsigned int intrq : 8; // 23:16 ++ unsigned int toe_class : 8; // 31:24 ++ } bits; ++} QUEUE_THRESHOLD_T; ++ ++ ++/********************************************************************** ++ * GMAC DMA Control Register ++ * GMAC0 offset 0x8000 ++ * GMAC1 offset 0xC000 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8000 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rd_enable : 1; // bit 31 Rx DMA Enable ++ unsigned int td_enable : 1; // bit 30 Tx DMA Enable ++ unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA ++ unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept ++ unsigned int reserved : 10; // bit 27:18 ++ unsigned int rd_insert_bytes : 2; // bit 17:16 ++ unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control ++ unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request ++ unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width ++ unsigned int td_prot : 4; // bit 7:4 TxDMA protection control ++ unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request ++ unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width ++#else ++ unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width ++ unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request ++ unsigned int td_prot : 4; // bit 7:4 TxDMA protection control ++ unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width ++ unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request ++ unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control ++ unsigned int rd_insert_bytes : 2; // bit 17:16 ++ unsigned int reserved : 10; // bit 27:18 ++ unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept ++ unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA ++ unsigned int td_enable : 1; // bit 30 Tx DMA Enable ++ unsigned int rd_enable : 1; // bit 31 Rx DMA Enable ++#endif ++ } bits; ++} GMAC_DMA_CTRL_T; ++ ++/********************************************************************** ++ * GMAC Tx Weighting Control Register 0 ++ * GMAC0 offset 0x8004 ++ * GMAC1 offset 0xC004 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8004 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 8; // bit 31:24 ++ unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0 ++ unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1 ++ unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2 ++ unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3 ++#else ++ unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3 ++ unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2 ++ unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1 ++ unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0 ++ unsigned int reserved : 8; // bit 31:24 ++#endif ++ } bits; ++} GMAC_TX_WCR0_T; // Weighting Control Register 0 ++ ++/********************************************************************** ++ * GMAC Tx Weighting Control Register 1 ++ * GMAC0 offset 0x8008 ++ * GMAC1 offset 0xC008 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8008 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 2; // bit 31:30 ++ unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5 ++ unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4 ++ unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3 ++ unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2 ++ unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1 ++ unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0 ++#else ++ unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0 ++ unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1 ++ unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2 ++ unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3 ++ unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4 ++ unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5 ++ unsigned int reserved : 2; // bit 31:30 ++#endif ++ } bits; ++} GMAC_TX_WCR1_T; // Weighting Control Register 1 ++ ++/********************************************************************** ++ * Queue Read/Write Pointer ++ * GMAC SW TX Queue 0~5 Read/Write Pointer register ++ * GMAC0 offset 0x800C ~ 0x8020 ++ * GMAC1 offset 0xC00C ~ 0xC020 ++ * GMAC HW TX Queue 0~3 Read/Write Pointer register ++ * GMAC0 offset 0x8024 ~ 0x8030 ++ * GMAC1 offset 0xC024 ~ 0xC030 ++ **********************************************************************/ ++// see DMA_RWPTR_T structure ++ ++/********************************************************************** ++ * GMAC DMA Tx First Description Address Register ++ * GMAC0 offset 0x8038 ++ * GMAC1 offset 0xC038 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8038 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address ++ unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle ++ unsigned int reserved : 3; ++#else ++ unsigned int reserved : 3; ++ unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle ++ unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address ++#endif ++ } bits; ++} GMAC_TXDMA_FIRST_DESC_T; ++ ++/********************************************************************** ++ * GMAC DMA Tx Current Description Address Register ++ * GMAC0 offset 0x803C ++ * GMAC1 offset 0xC03C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_803C ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address ++ unsigned int reserved : 4; ++#else ++ unsigned int reserved : 4; ++ unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address ++#endif ++ } bits; ++} GMAC_TXDMA_CURR_DESC_T; ++ ++/********************************************************************** ++ * GMAC DMA Tx Description Word 0 Register ++ * GMAC0 offset 0x8040 ++ * GMAC1 offset 0xC040 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8040 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 1; // bit 31 ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits ++ unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int buffer_size : 16; // bit 15:0 Transfer size ++#else ++ unsigned int buffer_size : 16; // bit 15:0 Transfer size ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed ++ unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int reserved : 1; // bit 31 ++#endif ++ } bits; ++} GMAC_TXDESC_0_T; ++ ++/********************************************************************** ++ * GMAC DMA Tx Description Word 1 Register ++ * GMAC0 offset 0x8044 ++ * GMAC1 offset 0xC044 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct txdesc_word1 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved ++ unsigned int ip_fixed_len: 1; // bit 22 ++ unsigned int bypass_tss : 1; // bit 21 ++ unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable ++ unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable ++ unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable ++ unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable ++ unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting ++ unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count ++#else ++ unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count ++ unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting ++ unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable ++ unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable ++ unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable ++ unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable ++ unsigned int bypass_tss : 1; // bit 21 ++ unsigned int ip_fixed_len: 1; // bit 22 ++ unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved ++#endif ++ } bits; ++} GMAC_TXDESC_1_T; ++ ++#define TSS_IP_FIXED_LEN_BIT BIT(22) ++#define TSS_UDP_CHKSUM_BIT BIT(20) ++#define TSS_TCP_CHKSUM_BIT BIT(19) ++#define TSS_IPV6_ENABLE_BIT BIT(18) ++#define TSS_IP_CHKSUM_BIT BIT(17) ++#define TSS_MTU_ENABLE_BIT BIT(16) ++ ++/********************************************************************** ++ * GMAC DMA Tx Description Word 2 Register ++ * GMAC0 offset 0x8048 ++ * GMAC1 offset 0xC048 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int buf_adr; ++} GMAC_TXDESC_2_T; ++ ++/********************************************************************** ++ * GMAC DMA Tx Description Word 3 Register ++ * GMAC0 offset 0x804C ++ * GMAC1 offset 0xC04C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct txdesc_word3 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int reserved : 18; // bit 28:11 ++ unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count ++#else ++ unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count ++ unsigned int reserved : 18; // bit 28:11 ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++#endif ++ } bits; ++} GMAC_TXDESC_3_T; ++#define SOF_EOF_BIT_MASK 0x3fffffff ++#define SOF_BIT 0x80000000 ++#define EOF_BIT 0x40000000 ++#define EOFIE_BIT BIT(29) ++#define MTU_SIZE_BIT_MASK 0x7ff ++ ++/********************************************************************** ++ * GMAC Tx Descriptor ++ **********************************************************************/ ++typedef struct ++{ ++ GMAC_TXDESC_0_T word0; ++ GMAC_TXDESC_1_T word1; ++ GMAC_TXDESC_2_T word2; ++ GMAC_TXDESC_3_T word3; ++} GMAC_TXDESC_T; ++ ++ ++/********************************************************************** ++ * GMAC DMA Rx First Description Address Register ++ * GMAC0 offset 0x8058 ++ * GMAC1 offset 0xC058 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8058 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address ++ unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle ++ unsigned int reserved : 3; // bit 2:0 ++#else ++ unsigned int reserved : 3; // bit 2:0 ++ unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle ++ unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address ++#endif ++ } bits; ++} GMAC_RXDMA_FIRST_DESC_T; ++ ++/********************************************************************** ++ * GMAC DMA Rx Current Description Address Register ++ * GMAC0 offset 0x805C ++ * GMAC1 offset 0xC05C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_805C ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address ++ unsigned int reserved : 4; // bit 3:0 ++#else ++ unsigned int reserved : 4; // bit 3:0 ++ unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address ++#endif ++ } bits; ++} GMAC_RXDMA_CURR_DESC_T; ++ ++/********************************************************************** ++ * GMAC DMA Rx Description Word 0 Register ++ * GMAC0 offset 0x8060 ++ * GMAC1 offset 0xC060 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8060 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int chksum_status : 3; // bit 28:26 Check Sum Status ++ unsigned int status : 4; // bit 24:22 Status of rx frame ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame ++#else ++ unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int status : 4; // bit 24:22 Status of rx frame ++ unsigned int chksum_status : 3; // bit 28:26 Check Sum Status ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue ++#endif ++ } bits; ++} GMAC_RXDESC_0_T; ++ ++#define GMAC_RXDESC_0_T_derr BIT(30) ++#define GMAC_RXDESC_0_T_perr BIT(29) ++#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26)) ++#define GMAC_RXDESC_0_T_status(x) BIT((x+22)) ++#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16)) ++ ++#define RX_CHKSUM_IP_UDP_TCP_OK 0 ++#define RX_CHKSUM_IP_OK_ONLY 1 ++#define RX_CHKSUM_NONE 2 ++#define RX_CHKSUM_IP_ERR_UNKNOWN 4 ++#define RX_CHKSUM_IP_ERR 5 ++#define RX_CHKSUM_TCP_UDP_ERR 6 ++#define RX_CHKSUM_NUM 8 ++ ++#define RX_STATUS_GOOD_FRAME 0 ++#define RX_STATUS_TOO_LONG_GOOD_CRC 1 ++#define RX_STATUS_RUNT_FRAME 2 ++#define RX_STATUS_SFD_NOT_FOUND 3 ++#define RX_STATUS_CRC_ERROR 4 ++#define RX_STATUS_TOO_LONG_BAD_CRC 5 ++#define RX_STATUS_ALIGNMENT_ERROR 6 ++#define RX_STATUS_TOO_LONG_BAD_ALIGN 7 ++#define RX_STATUS_RX_ERR 8 ++#define RX_STATUS_DA_FILTERED 9 ++#define RX_STATUS_BUFFER_FULL 10 ++#define RX_STATUS_NUM 16 ++ ++ ++/********************************************************************** ++ * GMAC DMA Rx Description Word 1 Register ++ * GMAC0 offset 0x8064 ++ * GMAC1 offset 0xC064 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct rxdesc_word1 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int sw_id : 16; // bit 31:16 Software ID ++ unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count ++#else ++ unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count ++ unsigned int sw_id : 16; // bit 31:16 Software ID ++#endif ++ } bits; ++} GMAC_RXDESC_1_T; ++ ++/********************************************************************** ++ * GMAC DMA Rx Description Word 2 Register ++ * GMAC0 offset 0x8068 ++ * GMAC1 offset 0xC068 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int buf_adr; ++} GMAC_RXDESC_2_T; ++ ++#define RX_INSERT_NONE 0 ++#define RX_INSERT_1_BYTE 1 ++#define RX_INSERT_2_BYTE 2 ++#define RX_INSERT_3_BYTE 3 ++ ++#define RX_INSERT_BYTES RX_INSERT_2_BYTE ++/********************************************************************** ++ * GMAC DMA Rx Description Word 3 Register ++ * GMAC0 offset 0x806C ++ * GMAC1 offset 0xC06C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct rxdesc_word3 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int ctrl_flag : 1; // bit 28 Control Flag is present ++ unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet ++ unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header ++ unsigned int abnormal : 1; // bit 25 abnormal case found ++ unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected ++ unsigned int l7_offset : 8; // bit 23: 16 L7 data offset ++ unsigned int l4_offset : 8; // bit 15: 8 L4 data offset ++ unsigned int l3_offset : 8; // bit 7: 0 L3 data offset ++#else ++ unsigned int l3_offset : 8; // bit 7: 0 L3 data offset ++ unsigned int l4_offset : 8; // bit 15: 8 L4 data offset ++ unsigned int l7_offset : 8; // bit 23: 16 L7 data offset ++ unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected ++ unsigned int abnormal : 1; // bit 25 abnormal case found ++ unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header ++ unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet ++ unsigned int ctrl_flag : 1; // bit 28 Control Flag is present ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++#endif ++ } bits; ++} GMAC_RXDESC_3_T; ++ ++/********************************************************************** ++ * GMAC Rx Descriptor ++ **********************************************************************/ ++typedef struct ++{ ++ GMAC_RXDESC_0_T word0; ++ GMAC_RXDESC_1_T word1; ++ GMAC_RXDESC_2_T word2; ++ GMAC_RXDESC_3_T word3; ++} GMAC_RXDESC_T; ++ ++/********************************************************************** ++ * GMAC Hash Engine Enable/Action Register 0 Offset Register ++ * GMAC0 offset 0x8070 ++ * GMAC1 offset 0xC070 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8070 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1 ++ unsigned int reserved1 : 1; // bit 30 ++ unsigned int timing : 3; // bit 29:27 ++ unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset ++ unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size ++ unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0 ++ unsigned int reserved0 : 4; // bit 14:11 ++ unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset ++ unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size ++#else ++ unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size ++ unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset ++ unsigned int reserved0 : 4; // bit 14:11 ++ unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0 ++ unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size ++ unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset ++ unsigned int timing : 3; // bit 29:27 ++ unsigned int reserved1 : 1; // bit 30 ++ unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1 ++#endif ++ } bits; ++} GMAC_HASH_ENABLE_REG0_T; ++ ++/********************************************************************** ++ * GMAC Hash Engine Enable/Action Register 1 Offset Register ++ * GMAC0 offset 0x8074 ++ * GMAC1 offset 0xC074 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8074 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3 ++ unsigned int reserved3 : 4; // bit 30:27 ++ unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset ++ unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size ++ unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2 ++ unsigned int reserved2 : 4; // bit 14:11 ++ unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset ++ unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size ++#else ++ unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size ++ unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset ++ unsigned int reserved2 : 4; // bit 14:11 ++ unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2 ++ unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size ++ unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset ++ unsigned int reserved1 : 4; // bit 30:27 ++ unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3 ++#endif ++ } bits; ++} GMAC_HASH_ENABLE_REG1_T; ++ ++ ++/********************************************************************** ++ * GMAC Matching Rule Control Register 0 ++ * GMAC0 offset 0x8078 ++ * GMAC1 offset 0xC078 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_8078 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int l2 : 1; // bit 31 L2 matching enable ++ unsigned int l3 : 1; // bit 30 L3 matching enable ++ unsigned int l4 : 1; // bit 29 L4 matching enable ++ unsigned int l7 : 1; // bit 28 L7 matching enable ++ unsigned int port : 1; // bit 27 PORT ID matching enable ++ unsigned int priority : 3; // bit 26:24 priority if multi-rules matched ++ unsigned int da : 1; // bit 23 MAC DA enable ++ unsigned int sa : 1; // bit 22 MAC SA enable ++ unsigned int ether_type : 1; // bit 21 Ethernet type enable ++ unsigned int vlan : 1; // bit 20 VLAN ID enable ++ unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable ++ unsigned int reserved1 : 3; // bit 18:16 ++ unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6 ++ unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length ++ unsigned int flow_lable : 1; // bit 13 IPV6 Flow label ++ unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class ++ unsigned int reserved2 : 4; // bit 11:8 ++ unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0 ++#else ++ unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0 ++ unsigned int reserved2 : 4; // bit 11:8 ++ unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class ++ unsigned int flow_lable : 1; // bit 13 IPV6 Flow label ++ unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length ++ unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6 ++ unsigned int reserved1 : 3; // bit 18:16 ++ unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable ++ unsigned int vlan : 1; // bit 20 VLAN ID enable ++ unsigned int ether_type : 1; // bit 21 Ethernet type enable ++ unsigned int sa : 1; // bit 22 MAC SA enable ++ unsigned int da : 1; // bit 23 MAC DA enable ++ unsigned int priority : 3; // bit 26:24 priority if multi-rules matched ++ unsigned int port : 1; // bit 27 PORT ID matching enable ++ unsigned int l7 : 1; // bit 28 L7 matching enable ++ unsigned int l4 : 1; // bit 29 L4 matching enable ++ unsigned int l3 : 1; // bit 30 L3 matching enable ++ unsigned int l2 : 1; // bit 31 L2 matching enable ++#endif ++ } bits; ++} GMAC_MRxCR0_T; ++ ++#define MR_L2_BIT BIT(31) ++#define MR_L3_BIT BIT(30) ++#define MR_L4_BIT BIT(29) ++#define MR_L7_BIT BIT(28) ++#define MR_PORT_BIT BIT(27) ++#define MR_PRIORITY_BIT BIT(26) ++#define MR_DA_BIT BIT(23) ++#define MR_SA_BIT BIT(22) ++#define MR_ETHER_TYPE_BIT BIT(21) ++#define MR_VLAN_BIT BIT(20) ++#define MR_PPPOE_BIT BIT(19) ++#define MR_IP_VER_BIT BIT(15) ++#define MR_IP_HDR_LEN_BIT BIT(14) ++#define MR_FLOW_LABLE_BIT BIT(13) ++#define MR_TOS_TRAFFIC_BIT BIT(12) ++#define MR_SPR_BIT(x) BIT(x) ++#define MR_SPR_BITS 0xff ++ ++/********************************************************************** ++ * GMAC Matching Rule Control Register 1 ++ * GMAC0 offset 0x807C ++ * GMAC1 offset 0xC07C ++ **********************************************************************/ ++ typedef union ++{ ++ unsigned int bits32; ++ struct bit_807C ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int sip : 1; // bit 31 Srce IP ++ unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits ++ unsigned int dip : 1; // bit 23 Dest IP ++ unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits ++ unsigned int l4_byte0_15 : 16; // bit 15: 0 ++#else ++ unsigned int l4_byte0_15 : 16; // bit 15: 0 ++ unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits ++ unsigned int dip : 1; // bit 23 Dest IP ++ unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits ++ unsigned int sip : 1; // bit 31 Srce IP ++#endif ++ } bits; ++} GMAC_MRxCR1_T; ++ ++/********************************************************************** ++ * GMAC Matching Rule Control Register 2 ++ * GMAC0 offset 0x8080 ++ * GMAC1 offset 0xC080 ++ **********************************************************************/ ++ typedef union ++{ ++ unsigned int bits32; ++ struct bit_8080 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int l4_byte16_24: 8; // bit 31: 24 ++ unsigned int l7_byte0_23 : 24; // bit 23:0 ++#else ++ unsigned int l7_byte0_23 : 24; // bit 23:0 ++ unsigned int l4_byte16_24: 8; // bit 31: 24 ++#endif ++ } bits; ++} GMAC_MRxCR2_T; ++ ++ ++/********************************************************************** ++ * GMAC Support registers ++ * GMAC0 offset 0x80A8 ++ * GMAC1 offset 0xC0A8 ++ **********************************************************************/ ++ typedef union ++{ ++ unsigned int bits32; ++ struct bit_80A8 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved: 21; // bit 31:11 ++ unsigned int swap : 3; // bit 10:8 Swap ++ unsigned int protocol: 8; // bit 7:0 Supported protocol ++#else ++ unsigned int protocol: 8; // bit 7:0 Supported protocol ++ unsigned int swap : 3; // bit 10:8 Swap ++ unsigned int reserved: 21; // bit 31:11 ++#endif ++ } bits; ++} GMAC_SPR_T; ++ ++/********************************************************************** ++ * GMAC_AHB_WEIGHT registers ++ * GMAC0 offset 0x80C8 ++ * GMAC1 offset 0xC0C8 ++ **********************************************************************/ ++ typedef union ++{ ++ unsigned int bits32; ++ struct bit_80C8 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 7; // 31:25 ++ unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold ++ unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold ++ unsigned int tx_weight : 5; // 14:10 ++ unsigned int rx_weight : 5; // 9:5 ++ unsigned int hash_weight : 5; // 4:0 ++#else ++ unsigned int hash_weight : 5; // 4:0 ++ unsigned int rx_weight : 5; // 9:5 ++ unsigned int tx_weight : 5; // 14:10 ++ unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold ++ unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold ++ unsigned int reserved : 7; // 31:25 ++#endif ++ } bits; ++} GMAC_AHB_WEIGHT_T; ++/********************************************************************** ++ * the register structure of GMAC ++ **********************************************************************/ ++ ++/********************************************************************** ++ * GMAC RX FLTR ++ * GMAC0 Offset 0xA00C ++ * GMAC1 Offset 0xE00C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_000c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 27; ++ unsigned int error : 1; /* enable receive of all error frames */ ++ unsigned int promiscuous : 1; /* enable receive of all frames */ ++ unsigned int broadcast : 1; /* enable receive of broadcast frames */ ++ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ ++ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ ++#else ++ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ ++ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ ++ unsigned int broadcast : 1; /* enable receive of broadcast frames */ ++ unsigned int promiscuous : 1; /* enable receive of all frames */ ++ unsigned int error : 1; /* enable receive of all error frames */ ++ unsigned int : 27; ++#endif ++ } bits; ++} GMAC_RX_FLTR_T; ++ ++/********************************************************************** ++ * GMAC Configuration 0 ++ * GMAC0 Offset 0xA018 ++ * GMAC1 Offset 0xE018 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0018 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 2; // 31 ++ unsigned int port1_chk_classq : 1; // 29 ++ unsigned int port0_chk_classq : 1; // 28 ++ unsigned int port1_chk_toeq : 1; // 27 ++ unsigned int port0_chk_toeq : 1; // 26 ++ unsigned int port1_chk_hwq : 1; // 25 ++ unsigned int port0_chk_hwq : 1; // 24 ++ unsigned int rx_err_detect : 1; // 23 ++ unsigned int ipv6_exthdr_order: 1; // 22 ++ unsigned int rxc_inv : 1; // 21 ++ unsigned int rgmm_edge : 1; // 20 ++ unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */ ++ unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */ ++ unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */ ++ unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */ ++ unsigned int tx_fc_en : 1; /* 15: TX flow control enable */ ++ unsigned int rx_fc_en : 1; /* 14: RX flow control enable */ ++ unsigned int sim_test : 1; /* 13: speed up timers in simulation */ ++ unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */ ++ unsigned int dis_bkoff : 1; /* 11: disable back-off function */ ++ unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */ ++ unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */ ++ unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */ ++ unsigned int loop_back : 1; /* 2: transmit data loopback enable */ ++ unsigned int dis_rx : 1; /* 1: disable receive */ ++ unsigned int dis_tx : 1; /* 0: disable transmit */ ++#else ++ unsigned int dis_tx : 1; /* 0: disable transmit */ ++ unsigned int dis_rx : 1; /* 1: disable receive */ ++ unsigned int loop_back : 1; /* 2: transmit data loopback enable */ ++ unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */ ++ unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */ ++ unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */ ++ unsigned int dis_bkoff : 1; /* 11: disable back-off function */ ++ unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */ ++ unsigned int sim_test : 1; /* 13: speed up timers in simulation */ ++ unsigned int rx_fc_en : 1; /* 14: RX flow control enable */ ++ unsigned int tx_fc_en : 1; /* 15: TX flow control enable */ ++ unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */ ++ unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */ ++ unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */ ++ unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */ ++ unsigned int rgmm_edge : 1; // 20 ++ unsigned int rxc_inv : 1; // 21 ++ unsigned int ipv6_exthdr_order: 1; // 22 ++ unsigned int rx_err_detect : 1; // 23 ++ unsigned int port0_chk_hwq : 1; // 24 ++ unsigned int port1_chk_hwq : 1; // 25 ++ unsigned int port0_chk_toeq : 1; // 26 ++ unsigned int port1_chk_toeq : 1; // 27 ++ unsigned int port0_chk_classq : 1; // 28 ++ unsigned int port1_chk_classq : 1; // 29 ++ unsigned int reserved : 2; // 31 ++#endif ++ } bits; ++} GMAC_CONFIG0_T; ++ ++/********************************************************************** ++ * GMAC Configuration 1 ++ * GMAC0 Offset 0xA01C ++ * GMAC1 Offset 0xE01C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_001c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int reserved : 16; ++ unsigned int rel_threshold : 8; /* flow control release threshold */ ++ unsigned int set_threshold : 8; /* flow control set threshold */ ++#else ++ unsigned int set_threshold : 8; /* flow control set threshold */ ++ unsigned int rel_threshold : 8; /* flow control release threshold */ ++ unsigned int reserved : 16; ++#endif ++ } bits; ++} GMAC_CONFIG1_T; ++ ++#define GMAC_FLOWCTRL_SET_MAX 32 ++#define GMAC_FLOWCTRL_SET_MIN 0 ++#define GMAC_FLOWCTRL_RELEASE_MAX 32 ++#define GMAC_FLOWCTRL_RELEASE_MIN 0 ++ ++/********************************************************************** ++ * GMAC Configuration 2 ++ * GMAC0 Offset 0xA020 ++ * GMAC1 Offset 0xE020 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0020 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++#else ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++#endif ++ } bits; ++} GMAC_CONFIG2_T; ++ ++/********************************************************************** ++ * GMAC Configuration 3 ++ * GMAC0 Offset 0xA024 ++ * GMAC1 Offset 0xE024 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_0024 ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++#else ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++#endif ++ } bits; ++} GMAC_CONFIG3_T; ++ ++ ++/********************************************************************** ++ * GMAC STATUS ++ * GMAC0 Offset 0xA02C ++ * GMAC1 Offset 0xE02C ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit1_002c ++ { ++#if (BIG_ENDIAN==1) ++ unsigned int : 25; ++ unsigned int mii_rmii : 2; /* PHY interface type */ ++ unsigned int reserved : 1; ++ unsigned int duplex : 1; /* duplex mode */ ++ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ ++ unsigned int link : 1; /* link status */ ++#else ++ unsigned int link : 1; /* link status */ ++ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ ++ unsigned int duplex : 1; /* duplex mode */ ++ unsigned int reserved : 1; ++ unsigned int mii_rmii : 2; /* PHY interface type */ ++ unsigned int : 25; ++#endif ++ } bits; ++} GMAC_STATUS_T; ++ ++#define GMAC_SPEED_10 0 ++#define GMAC_SPEED_100 1 ++#define GMAC_SPEED_1000 2 ++ ++#define GMAC_PHY_MII 0 ++#define GMAC_PHY_GMII 1 ++#define GMAC_PHY_RGMII_100 2 ++#define GMAC_PHY_RGMII_1000 3 ++ ++/********************************************************************** ++ * Queue Header ++ * (1) TOE Queue Header ++ * (2) Non-TOE Queue Header ++ * (3) Interrupt Queue Header ++ * ++ * memory Layout ++ * TOE Queue Header ++ * 0x60003000 +---------------------------+ 0x0000 ++ * | TOE Queue 0 Header | ++ * | 8 * 4 Bytes | ++ * +---------------------------+ 0x0020 ++ * | TOE Queue 1 Header | ++ * | 8 * 4 Bytes | ++ * +---------------------------+ 0x0040 ++ * | ...... | ++ * | | ++ * +---------------------------+ ++ * ++ * Non TOE Queue Header ++ * 0x60002000 +---------------------------+ 0x0000 ++ * | Default Queue 0 Header | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x0008 ++ * | Default Queue 1 Header | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x0010 ++ * | Classification Queue 0 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Classification Queue 1 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ (n * 8 + 0x10) ++ * | ... | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ (13 * 8 + 0x10) ++ * | Classification Queue 13 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x80 ++ * | Interrupt Queue 0 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 1 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 2 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 3 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * ++ **********************************************************************/ ++#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32) ++#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX+1)) ++#define TOE_DEFAULT_Q0_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x00) ++#define TOE_DEFAULT_Q1_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x08) ++#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10) ++#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80) ++#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8) ++#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX+1)) ++/********************************************************************** ++ * TOE Queue Header Word 0 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int base_size; ++} TOE_QHDR0_T; ++ ++#define TOE_QHDR0_BASE_MASK (~0x0f) ++ ++/********************************************************************** ++ * TOE Queue Header Word 1 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_qhdr1 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int wptr : 16; // bit 31:16 ++ unsigned int rptr : 16; // bit 15:0 ++#else ++ unsigned int rptr : 16; // bit 15:0 ++ unsigned int wptr : 16; // bit 31:16 ++#endif ++ } bits; ++} TOE_QHDR1_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 2 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_qhdr2 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int usd : 1; // bit 31 0: if no data assembled yet ++ unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack) ++ unsigned int osq : 1; // bit 29 1: out of sequence ++ unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header ++ unsigned int tcp_opt : 1; // bit 26 1: Have TCP option ++ unsigned int abn : 1; // bit 25 1: Abnormal case Found ++ unsigned int dack : 1; // bit 24 1: Duplicated ACK ++ unsigned int reserved : 7; // bit 23:17 ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++#else ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++ unsigned int reserved : 7; // bit 23:17 ++ unsigned int dack : 1; // bit 24 1: Duplicated ACK ++ unsigned int abn : 1; // bit 25 1: Abnormal case Found ++ unsigned int tcp_opt : 1; // bit 26 1: Have TCP option ++ unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header ++ unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int osq : 1; // bit 29 1: out of sequence ++ unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack) ++ unsigned int usd : 1; // bit 31 0: if no data assembled yet ++#endif ++ } bits; ++} TOE_QHDR2_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 3 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int seq_num; ++} TOE_QHDR3_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 4 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int ack_num; ++} TOE_QHDR4_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 5 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_qhdr5 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int SeqCnt : 16; // bit 31:16 ++ unsigned int AckCnt : 16; // bit 15:0 ++#else ++ unsigned int AckCnt : 16; // bit 15:0 ++ unsigned int SeqCnt : 16; // bit 31:16 ++#endif ++ } bits; ++} TOE_QHDR5_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 6 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_qhdr6 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int MaxPktSize : 14; // bit 31:18 ++ unsigned int iq_num : 2; // bit 17:16 ++ unsigned int WinSize : 16; // bit 15:0 ++#else ++ unsigned int WinSize : 16; // bit 15:0 ++ unsigned int iq_num : 2; // bit 17:16 ++ unsigned int MaxPktSize : 14; // bit 31:18 ++#endif ++ } bits; ++} TOE_QHDR6_T; ++ ++/********************************************************************** ++ * TOE Queue Header Word 7 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_qhdr7 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int SeqThreshold : 16; // bit 31:16 ++ unsigned int AckThreshold : 16; // bit 15:0 ++#else ++ unsigned int AckThreshold : 16; // bit 15:0 ++ unsigned int SeqThreshold : 16; // bit 31:16 ++#endif ++ } bits; ++} TOE_QHDR7_T; ++ ++/********************************************************************** ++ * TOE Queue Header ++ **********************************************************************/ ++typedef struct ++{ ++ TOE_QHDR0_T word0; ++ TOE_QHDR1_T word1; ++ TOE_QHDR2_T word2; ++ TOE_QHDR3_T word3; ++ TOE_QHDR4_T word4; ++ TOE_QHDR5_T word5; ++ TOE_QHDR6_T word6; ++ TOE_QHDR7_T word7; ++} TOE_QHDR_T; ++ ++/********************************************************************** ++ * NONTOE Queue Header Word 0 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int base_size; ++} NONTOE_QHDR0_T; ++ ++#define NONTOE_QHDR0_BASE_MASK (~0x0f) ++ ++/********************************************************************** ++ * NONTOE Queue Header Word 1 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_nonqhdr1 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int wptr : 16; // bit 31:16 ++ unsigned int rptr : 16; // bit 15:0 ++#else ++ unsigned int rptr : 16; // bit 15:0 ++ unsigned int wptr : 16; // bit 31:16 ++#endif ++ } bits; ++} NONTOE_QHDR1_T; ++ ++/********************************************************************** ++ * Non-TOE Queue Header ++ **********************************************************************/ ++typedef struct ++{ ++ NONTOE_QHDR0_T word0; ++ NONTOE_QHDR1_T word1; ++} NONTOE_QHDR_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header Word 0 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_intrqhdr0 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped ++ unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size ++#else ++ unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size ++ unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped ++#endif ++ } bits; ++} INTR_QHDR0_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header Word 1 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_intrqhdr1 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack) ++ unsigned int osq : 1; // bit 30 1: out of sequence ++ unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header ++ unsigned int tcp_opt : 1; // bit 27 1: Have TCP option ++ unsigned int abn : 1; // bit 26 1: Abnormal case Found ++ unsigned int dack : 1; // bit 25 1: Duplicated ACK ++ unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++#else ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++ unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID ++ unsigned int dack : 1; // bit 25 1: Duplicated ACK ++ unsigned int abn : 1; // bit 26 1: Abnormal case Found ++ unsigned int tcp_opt : 1; // bit 27 1: Have TCP option ++ unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header ++ unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int osq : 1; // bit 30 1: out of sequence ++ unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack) ++#endif ++ } bits; ++} INTR_QHDR1_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header Word 2 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int seq_num; ++} INTR_QHDR2_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header Word 3 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ unsigned int ack_num; ++} INTR_QHDR3_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header Word 4 ++ **********************************************************************/ ++typedef union ++{ ++ unsigned int bits32; ++ struct bit_intrqhdr4 ++ { ++#if (BIG_ENDIAN==1) ++ ++ unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr. ++ unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr. ++#else ++ unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr. ++ unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr. ++#endif ++ } bits; ++} INTR_QHDR4_T; ++ ++/********************************************************************** ++ * Interrupt Queue Header ++ **********************************************************************/ ++typedef struct ++{ ++ INTR_QHDR0_T word0; ++ INTR_QHDR1_T word1; ++ INTR_QHDR2_T word2; ++ INTR_QHDR3_T word3; ++ INTR_QHDR4_T word4; ++ unsigned int word5; ++ unsigned int word6; ++ unsigned int word7; ++} INTR_QHDR_T; ++ ++/********************************************************************** ++ * GMAC Conf ++ **********************************************************************/ ++typedef struct gmac_conf { ++ struct net_device *dev; ++ int portmap; ++ int vid; ++ int flag; /* 1: active 0: non-active */ ++} sys_gmac_conf; ++ ++/********************************************************************** ++ * GMAC private data ++ **********************************************************************/ ++typedef struct { ++ unsigned int rwptr_reg; ++ unsigned int desc_base; ++ unsigned int total_desc_num; ++ unsigned short finished_idx; ++ GMAC_TXDESC_T *curr_tx_desc; ++ GMAC_TXDESC_T *curr_finished_desc; ++ struct sk_buff *tx_skb[TX_DESC_NUM]; ++ unsigned long total_sent; ++ unsigned long total_finished; ++ unsigned long intr_cnt; ++} GMAC_SWTXQ_T; ++ ++typedef struct { ++ unsigned int desc_base; ++ unsigned long eof_cnt; ++} GMAC_HWTXQ_T; ++ ++typedef struct gmac_private{ ++ struct net_device *dev; ++ unsigned int existed; ++ unsigned int port_id; // 0 or 1 ++ unsigned int base_addr; ++ unsigned int dma_base_addr; ++ unsigned char *mac_addr1; ++ unsigned char *mac_addr2; ++ unsigned int swtxq_desc_base; ++ unsigned int hwtxq_desc_base; ++ GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM]; ++ GMAC_HWTXQ_T hwtxq[TOE_HW_TXQ_NUM]; ++ NONTOE_QHDR_T *default_qhdr; ++ unsigned int default_desc_base; ++ unsigned int default_desc_num; ++ unsigned int rx_curr_desc; ++ DMA_RWPTR_T rx_rwptr; ++ struct sk_buff *curr_rx_skb; ++ dma_addr_t default_desc_base_dma; ++ dma_addr_t swtxq_desc_base_dma; ++ dma_addr_t hwtxq_desc_base_dma; ++ unsigned int irq; ++ unsigned int flow_control_enable ; ++ unsigned int pre_phy_status; ++ unsigned int full_duplex_cfg; ++ unsigned int speed_cfg; ++ unsigned int auto_nego_cfg; ++ unsigned int full_duplex_status; ++ unsigned int speed_status; ++ unsigned int phy_mode; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */ ++ unsigned int phy_addr; ++ unsigned int intr0_enabled; // 1: enabled ++ unsigned int intr1_enabled; // 1: enabled ++ unsigned int intr2_enabled; // 1: enabled ++ unsigned int intr3_enabled; // 1: enabled ++ unsigned int intr4_enabled; // 1: enabled ++// unsigned int intr4_enabled_1; // 1: enabled ++ unsigned int intr0_selected; // 1: selected ++ unsigned int intr1_selected; // 1: selected ++ unsigned int intr2_selected; // 1: selected ++ unsigned int intr3_selected; // 1: selected ++ unsigned int intr4_selected; // 1: selected ++ // void (*gmac_rcv_handler)(struct sk_buff *, int); ++ struct net_device_stats ifStatics; ++ unsigned long txDerr_cnt[GMAC_NUM]; ++ unsigned long txPerr_cnt[GMAC_NUM]; ++ unsigned long RxDerr_cnt[GMAC_NUM]; ++ unsigned long RxPerr_cnt[GMAC_NUM]; ++ unsigned int isr_rx_cnt; ++ unsigned int isr_tx_cnt; ++ unsigned long rx_discard; ++ unsigned long rx_error; ++ unsigned long rx_mcast; ++ unsigned long rx_bcast; ++ unsigned long rx_status_cnt[8]; ++ unsigned long rx_chksum_cnt[8]; ++ unsigned long rx_sta1_ucast; // for STA 1 MAC Address ++ unsigned long rx_sta2_ucast; // for STA 2 MAC Address ++ unsigned long mib_full_cnt; ++ unsigned long rx_pause_on_cnt; ++ unsigned long tx_pause_on_cnt; ++ unsigned long rx_pause_off_cnt; ++ unsigned long tx_pause_off_cnt; ++ unsigned long rx_overrun_cnt; ++ unsigned long status_changed_cnt; ++ unsigned long default_q_cnt; ++ unsigned long hw_fq_empty_cnt; ++ unsigned long sw_fq_empty_cnt; ++ unsigned long default_q_intr_cnt; ++ pid_t thr_pid; ++ wait_queue_head_t thr_wait; ++ struct completion thr_exited; ++ spinlock_t lock; ++ int time_to_die; ++ int operation; ++#ifdef SL351x_GMAC_WORKAROUND ++ unsigned long short_frames_cnt; ++#endif ++}GMAC_INFO_T ; ++ ++typedef struct toe_private { ++ unsigned int swfq_desc_base; ++ unsigned int hwfq_desc_base; ++ unsigned int hwfq_buf_base; ++// unsigned int toe_desc_base[TOE_TOE_QUEUE_NUM]; ++// unsigned int toe_desc_num; ++// unsigned int class_desc_base; ++// unsigned int class_desc_num; ++// unsigned int intr_desc_base; ++// unsigned int intr_desc_num; ++// unsigned int intr_buf_base; ++ DMA_RWPTR_T fq_rx_rwptr; ++ GMAC_INFO_T gmac[GMAC_NUM]; ++ dma_addr_t sw_freeq_desc_base_dma; ++ dma_addr_t hw_freeq_desc_base_dma; ++ dma_addr_t hwfq_buf_base_dma; ++ dma_addr_t hwfq_buf_end_dma; ++// dma_addr_t toe_desc_base_dma[TOE_TOE_QUEUE_NUM]; ++// dma_addr_t class_desc_base_dma; ++// dma_addr_t intr_desc_base_dma; ++// dma_addr_t intr_buf_base_dma; ++// unsigned long toe_iq_intr_full_cnt[TOE_INTR_QUEUE_NUM]; ++// unsigned long toe_iq_intr_cnt[TOE_INTR_QUEUE_NUM]; ++// unsigned long toe_q_intr_full_cnt[TOE_TOE_QUEUE_NUM]; ++// unsigned long class_q_intr_full_cnt[TOE_CLASS_QUEUE_NUM]; ++// unsigned long class_q_intr_cnt[TOE_CLASS_QUEUE_NUM]; ++} TOE_INFO_T; ++ ++extern TOE_INFO_T toe_private_data; ++ ++#define GMAC_PORT0 0 ++#define GMAC_PORT1 1 ++/********************************************************************** ++ * PHY Definition ++ **********************************************************************/ ++#define HPHY_ADDR 0x01 ++#define GPHY_ADDR 0x02 ++ ++enum phy_state ++{ ++ LINK_DOWN = 0, ++ LINK_UP = 1 ++}; ++ ++/* transmit timeout value */ ++ ++#endif //_GMAC_SL351x_H +--- /dev/null ++++ b/include/asm-arm/arch-sl2312/sl351x_hash_cfg.h +@@ -0,0 +1,365 @@ ++/*-----------------------------------------------------------------------------------
++* sl351x_hash_cfg.h
++*
++* Description:
++*
++* History:
++*
++* 9/14/2005 Gary Chen Create
++*
++*-------------------------------------------------------------------------------------*/
++#ifndef _SL351x_HASH_CFG_H_
++#define _SL351x_HASH_CFG_H_ 1
++
++// #define NAT_DEBUG_MSG 1 ++// #define DEBUG_NAT_MIXED_HW_SW_TX 1
++#ifdef DEBUG_NAT_MIXED_HW_SW_TX ++ // #define NAT_DEBUG_LAN_HASH_TIMEOUT 1 ++ // #define NAT_DEBUG_WAN_HASH_TIMEOUT 1
++#endif ++
++#define IPIV(a,b,c,d) ((a<<24)+(b<<16)+(c<<8)+d)
++#define IPIV1(a) ((a>>24)&0xff)
++#define IPIV2(a) ((a>>16)&0xff)
++#define IPIV3(a) ((a>>8)&0xff)
++#define IPIV4(a) ((a)&0xff)
++
++#define HASH_MAX_BYTES 64 // 128
++#define HASH_ACTION_DWORDS 9
++#define HASH_MAX_DWORDS (HASH_MAX_BYTES / sizeof(u32))
++#define HASH_MAX_KEY_DWORD (HASH_MAX_DWORDS - HASH_ACTION_DWORDS)
++#define HASH_INIT_KEY 0x534C4F52
++#define HASH_BITS 12 // 12 : Normal, 7: Simulation
++#define HASH_TOTAL_ENTRIES (1 << HASH_BITS)
++#define HASH_MAX_ENTRIES (1 << 12)
++#define HASH_TOE_ENTRIES (HASH_TOTAL_ENTRIES >> 5)
++#define HASH_BITS_MASK ((1 << HASH_BITS) - 1)
++
++#define hash_lock(lock) // spin_lock_bh(lock)
++#define hash_unlock(lock) // spin_unlock_bh(lock)
++
++/*----------------------------------------------------------------------
++ * special macro
++ ----------------------------------------------------------------------*/
++#define HASH_PUSH_WORD(cp, data) {*cp++ = (((u16)(data)) ) & 0xff; \
++ *cp++ = (((u16)(data)) >> 8) & 0xff;}
++#define HASH_PUSH_DWORD(cp, data) {*cp++ = (u8)(((u32)(data)) ) & 0xff; \
++ *cp++ = (u8)(((u32)(data)) >> 8) & 0xff; \
++ *cp++ = (u8)(((u32)(data)) >> 16) & 0xff; \
++ *cp++ = (u8)(((u32)(data)) >> 24) & 0xff;}
++#define HASH_PUSH_BYTE(cp, data) {*cp++ = ((u8)(data)) & 0xff;}
++
++/*----------------------------------------------------------------------
++ * key
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u8 port;
++ u16 Ethertype;
++ u8 da[6];
++ u8 sa[6];
++ u16 pppoe_sid;
++ u16 vlan_id;
++ u8 ipv4_hdrlen;
++ u8 ip_tos;
++ u8 ip_protocol;
++ u32 ipv6_flow_label;
++ u8 sip[16];
++ u8 dip[16];
++ //__u32 sip[4];
++ //__u32 dip[4];
++ u8 l4_bytes[24];
++ u8 l7_bytes[24];
++ u8 ipv6; // 1: IPv6, 0: IPV4
++} ENTRY_KEY_T;
++
++/*----------------------------------------------------------------------
++ * key for NAT
++ * Note: packed
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u16 Ethertype; // not used
++ u8 port_id;
++ u8 rule_id;
++ u8 ip_protocol;
++ u8 reserved1; // ip_tos, not used
++ u16 reserved2; // not used
++ u32 sip;
++ u32 dip;
++ u16 sport;
++ u16 dport;
++} NAT_KEY_T;
++
++#define NAT_KEY_DWORD_SIZE (sizeof(NAT_KEY_T)/sizeof(u32))
++#define NAT_KEY_SIZE (sizeof(NAT_KEY_T))
++
++/*----------------------------------------------------------------------
++ * key for NAT
++ * Note: packed
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u16 Ethertype; // not used
++ u8 port_id;
++ u8 rule_id;
++ u8 ip_protocol;
++ u8 reserved1; // ip_tos, not used
++ u16 reserved2; // not used
++ u32 sip;
++ u32 dip;
++ u16 reserved3;
++ u16 protocol;
++ u16 reserved4;
++ u16 call_id;
++} GRE_KEY_T;
++
++#define GRE_KEY_DWORD_SIZE (sizeof(GRE_KEY_T)/sizeof(u32))
++#define GRE_KEY_SIZE (sizeof(GRE_KEY_T))
++/*----------------------------------------------------------------------
++ * key present or not
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u32 port : 1;
++ u32 Ethertype : 1;
++ u32 da : 1;
++ u32 sa : 1;
++ u32 pppoe_sid : 1;
++ u32 vlan_id : 1;
++ u32 ipv4_hdrlen : 1;
++ u32 ip_tos : 1;
++ u32 ip_protocol : 1;
++ u32 ipv6_flow_label : 1;
++ u32 sip : 1;
++ u32 dip : 1;
++ u32 l4_bytes_0_3 : 1;
++ u32 l4_bytes_4_7 : 1;
++ u32 l4_bytes_8_11 : 1;
++ u32 l4_bytes_12_15 : 1;
++ u32 l4_bytes_16_19 : 1;
++ u32 l4_bytes_20_23 : 1;
++ u32 l7_bytes_0_3 : 1;
++ u32 l7_bytes_4_7 : 1;
++ u32 l7_bytes_8_11 : 1;
++ u32 l7_bytes_12_15 : 1;
++ u32 l7_bytes_16_19 : 1;
++ u32 l7_bytes_20_23 : 1;
++ u32 reserved : 8;
++} KEY_FIELD_T;
++
++/*----------------------------------------------------------------------
++ * action
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u32 reserved0 : 5; // bit 0:4
++ u32 pppoe : 2; // bit 5:6
++ u32 vlan : 2; // bit 7:8
++ u32 sa : 1; // bit 9
++ u32 da : 1; // bit 10
++ u32 Dport : 1; // bit 11
++ u32 Sport : 1; // bit 12
++ u32 Dip : 1; // bit 13
++ u32 Sip : 1; // bit 14
++ u32 sw_id : 1; // bit 15
++ u32 frag : 1; // bit 16
++ u32 option : 1; // bit 17
++ u32 ttl_0 : 1; // bit 18
++ u32 ttl_1 : 1; // bit 19
++ u32 mtu : 1; // bit 20
++ u32 exception : 1; // bit 21
++ u32 srce_qid : 1; // bit 22
++ u32 discard : 1; // bit 23
++ u32 dest_qid : 8; // bit 24:31
++} ENTRY_ACTION_T;
++
++#define ACTION_DISCARD_BIT BIT(23)
++#define ACTION_SRCE_QID_BIT BIT(22)
++#define ACTION_EXCEPTION_BIT BIT(21)
++#define ACTION_MTU_BIT BIT(20)
++#define ACTION_TTL_1_BIT BIT(19)
++#define ACTION_TTL_0_BIT BIT(18)
++#define ACTION_IP_OPTION BIT(17)
++#define ACTION_FRAG_BIT BIT(16)
++#define ACTION_SWID_BIT BIT(15)
++#define ACTION_SIP_BIT BIT(14)
++#define ACTION_DIP_BIT BIT(13)
++#define ACTION_SPORT_BIT BIT(12)
++#define ACTION_DPORT_BIT BIT(11)
++#define ACTION_DA_BIT BIT(10)
++#define ACTION_SA_BIT BIT(9)
++#define ACTION_VLAN_DEL_BIT BIT(8)
++#define ACTION_VLAN_INS_BIT BIT(7)
++#define ACTION_PPPOE_DEL_BIT BIT(6)
++#define ACTION_PPPOE_INS_BIT BIT(5)
++#define ACTION_L4_THIRD_BIT BIT(4)
++#define ACTION_L4_FOURTH_BIT BIT(3)
++
++#define NAT_ACTION_BITS (ACTION_SRCE_QID_BIT | ACTION_EXCEPTION_BIT | \
++ ACTION_TTL_1_BIT | ACTION_TTL_0_BIT | \
++ ACTION_IP_OPTION | ACTION_FRAG_BIT | \
++ ACTION_DA_BIT | ACTION_SA_BIT)
++#define NAT_LAN2WAN_ACTIONS (NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_SPORT_BIT) ++#define NAT_WAN2LAN_ACTIONS (NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_DPORT_BIT) ++#define NAT_PPPOE_LAN2WAN_ACTIONS (NAT_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
++#define NAT_PPPOE_WAN2LAN_ACTIONS (NAT_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
++#define NAT_PPTP_LAN2WAN_ACTIONS (NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_L4_FOURTH_BIT)
++#define NAT_PPTP_WAN2LAN_ACTIONS (NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_L4_FOURTH_BIT)
++#define NAT_PPPOE_PPTP_LAN2WAN_ACTIONS (NAT_PPTP_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
++#define NAT_PPPOE_PPTP_WAN2LAN_ACTIONS (NAT_PPTP_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
++
++/*----------------------------------------------------------------------
++ * parameter
++ ----------------------------------------------------------------------*/
++typedef struct {
++ u8 da[6];
++ u8 sa[6];
++ u16 vlan;
++ u16 pppoe;
++ u32 Sip;
++ u32 Dip;
++ u16 Sport;
++ u16 Dport;
++ u16 sw_id;
++ u16 mtu;
++} ENTRY_PARAM_T;
++
++/*----------------------------------------------------------------------
++ * Hash Entry
++ ----------------------------------------------------------------------*/
++typedef struct {
++ char rule;
++ ENTRY_KEY_T key;
++ KEY_FIELD_T key_present;
++ ENTRY_ACTION_T action;
++ ENTRY_PARAM_T param;
++ int index;
++ int total_dwords;
++} HASH_ENTRY_T;
++
++/*----------------------------------------------------------------------
++ * NAT Hash Entry
++ ----------------------------------------------------------------------*/
++typedef struct {
++ short counter;
++ short interval;
++} HASH_TIMEOUT_T;
++
++/*----------------------------------------------------------------------
++ * NAT Hash Entry for TCP/UDP protocol
++ ----------------------------------------------------------------------*/
++typedef struct {
++ NAT_KEY_T key;
++ union {
++ u32 dword;
++ ENTRY_ACTION_T bits;
++ } action;
++ ENTRY_PARAM_T param;
++ HASH_TIMEOUT_T tmo; // used by software only, to use memory space efficiently
++} NAT_HASH_ENTRY_T;
++
++#define NAT_HASH_ENTRY_SIZE (sizeof(NAT_HASH_ENTRY_T))
++
++/*----------------------------------------------------------------------
++ * GRE Hash Entry for PPTP/GRE protocol
++ ----------------------------------------------------------------------*/
++typedef struct {
++ GRE_KEY_T key;
++ union {
++ u32 dword;
++ ENTRY_ACTION_T bits;
++ } action;
++ ENTRY_PARAM_T param;
++ HASH_TIMEOUT_T tmo; // used by software only, to use memory space efficiently
++} GRE_HASH_ENTRY_T;
++
++#define GRE_HASH_ENTRY_SIZE (sizeof(GRE_HASH_ENTRY_T))
++
++/*----------------------------------------------------------------------
++ * External Variables
++ ----------------------------------------------------------------------*/
++extern char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
++extern u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32]; ++/*----------------------------------------------------------------------
++* hash_get_valid_flag
++*----------------------------------------------------------------------*/
++static inline int hash_get_valid_flag(int index)
++{
++ volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
++
++#ifdef SL351x_GMAC_WORKAROUND
++ if (index >= (0x80 * 8) && index < (0x8c * 8))
++ return 1;
++#endif
++ return (hash_valid_bits_ptr[index/32] & (1 << (index %32)));
++}
++
++/*----------------------------------------------------------------------
++* hash_get_nat_owner_flag
++*----------------------------------------------------------------------*/
++static inline int hash_get_nat_owner_flag(int index)
++{
++ return (hash_nat_owner_bits[index/32] & (1 << (index %32)));
++}
++
++/*----------------------------------------------------------------------
++* hash_validate_entry
++*----------------------------------------------------------------------*/
++static inline void hash_validate_entry(int index)
++{
++ volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
++ register int ptr = index/32, bits = 1 << (index %32);
++
++ hash_valid_bits_ptr[ptr] |= bits;
++}
++
++/*----------------------------------------------------------------------
++* hash_invalidate_entry
++*----------------------------------------------------------------------*/
++static inline void hash_invalidate_entry(int index)
++{
++ volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
++ register int ptr = index/32, bits = 1 << (index %32);
++
++ hash_valid_bits_ptr[ptr] &= ~(bits);
++}
++
++/*----------------------------------------------------------------------
++* hash_nat_enable_owner
++*----------------------------------------------------------------------*/
++static inline void hash_nat_enable_owner(int index)
++{
++ hash_nat_owner_bits[index/32] |= (1 << (index % 32));
++}
++
++/*----------------------------------------------------------------------
++* hash_nat_disable_owner
++*----------------------------------------------------------------------*/
++static inline void hash_nat_disable_owner(int index)
++{
++ hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
++}
++
++/*----------------------------------------------------------------------
++* hash_get_entry
++*----------------------------------------------------------------------*/
++static inline void *hash_get_entry(int index)
++{
++ return (void*) &hash_tables[index][0];
++}
++
++/*----------------------------------------------------------------------
++* Functions
++*----------------------------------------------------------------------*/
++extern int hash_add_entry(HASH_ENTRY_T *entry);
++extern void sl351x_hash_init(void);
++extern void hash_set_valid_flag(int index, int valid);
++extern void hash_set_nat_owner_flag(int index, int valid);
++extern void *hash_get_entry(int index);
++extern int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry);
++extern void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry); ++extern int hash_write_entry(HASH_ENTRY_T *entry, u8 *key);
++extern int hash_add_entry(HASH_ENTRY_T *entry);
++extern u16 hash_crc16(u16 crc, u8 *datap, u32 len);
++extern u16 hash_gen_crc16(u8 *datap, u32 len);
++
++#endif // _SL351x_HASH_CFG_H_
++
++
++
+--- /dev/null ++++ b/include/asm-arm/arch-sl2312/sl351x_nat_cfg.h +@@ -0,0 +1,211 @@ ++/**************************************************************************
++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
++*--------------------------------------------------------------------------
++* sl_nat_cfg.h
++*
++* Description:
++* - Define the Device Control Commands for NAT Configuration
++*
++* History:
++*
++* 4/28/2006 Gary Chen Create
++*
++*-----------------------------------------------------------------------------*/
++#ifndef _SL351x_NAT_CFG_H_
++#define _SL351x_NAT_CFG_H_ 1
++
++/*----------------------------------------------------------------------
++* Confiuration
++*----------------------------------------------------------------------*/
++#ifdef CONFIG_NETFILTER
++#define CONFIG_SL351x_NAT 1
++#undef CONFIG_SL351x_NAT
++#undef CONFIG_SL351x_SYSCTL
++#endif
++#define CONFIG_NAT_MAX_IP_NUM 4 // per device (eth0 or eth1)
++#define CONFIG_NAT_MAX_XPORT 64
++#define CONFIG_NAT_MAX_WRULE 16 // per Queue
++#define CONFIG_NAT_TXQ_NUM 4
++/*----------------------------------------------------------------------
++* Command set
++*----------------------------------------------------------------------*/
++#define SIOCDEVSL351x SIOCDEVPRIVATE // 0x89F0
++#define NATSSTATUS 0
++#define NATGSTATUS 1
++#define NATSETPORT 2
++#define NATGETPORT 3
++#define NATADDIP 4
++#define NATDELIP 5
++#define NATGETIP 6
++#define NATAXPORT 7
++#define NATDXPORT 8
++#define NATGXPORT 9
++#define NATSWEIGHT 10
++#define NATGWEIGHT 11
++#define NATAWRULE 12
++#define NATDWRULE 13
++#define NATGWRULE 14
++#define NATSDEFQ 15
++#define NATGDEFQ 16
++#define NATRMIPCFG 17 // remove IP config
++#define NATTESTENTRY 18
++#define NATSETMEM 19
++#define NATSHOWMEM 20
++/*----------------------------------------------------------------------
++* Command Structure
++*----------------------------------------------------------------------*/
++// Common Header
++typedef struct {
++ unsigned short cmd; // command ID
++ unsigned short len; // data length, excluding this header
++} NATCMD_HDR_T;
++
++// NATSSTATUS & NATGSTATUS commands
++typedef struct {
++ unsigned char enable;
++} NAT_STATUS_T;
++
++// NATSETPORT & NATGETPORT commands
++typedef struct {
++ unsigned char portmap;
++} NAT_PORTCFG_T;
++
++typedef struct {
++ unsigned int ipaddr;
++ unsigned int netmask;
++} NAT_IP_ENTRY_T;
++
++// NATADDIP & NATDELIP commands
++typedef struct {
++ NAT_IP_ENTRY_T entry;
++} NAT_IPCFG_T;
++
++// NATGETIP command
++typedef struct {
++ unsigned int total;
++ NAT_IP_ENTRY_T entry[CONFIG_NAT_MAX_IP_NUM];
++} NAT_IPCFG_ALL_T;
++
++typedef struct {
++ unsigned int protocol;
++ unsigned short sport_start;
++ unsigned short sport_end;
++ unsigned short dport_start;
++ unsigned short dport_end;
++} NAT_XPORT_ENTRY_T;
++
++// NATAXPORT & NATDXPORT Commands
++typedef struct {
++ NAT_XPORT_ENTRY_T entry;
++} NAT_XPORT_T;
++
++// NATGXPORT Command
++typedef struct {
++ unsigned int total;
++ NAT_XPORT_ENTRY_T entry[CONFIG_NAT_MAX_XPORT];
++} NAT_XPORT_ALL_T;
++
++// NATSWEIGHT & NATGWEIGHT Commands
++typedef struct {
++ unsigned char weight[CONFIG_NAT_TXQ_NUM];
++} NAT_WEIGHT_T;
++
++typedef struct {
++ unsigned int protocol;
++ unsigned int sip_start;
++ unsigned int sip_end;
++ unsigned int dip_start;
++ unsigned int dip_end;
++ unsigned short sport_start;
++ unsigned short sport_end;
++ unsigned short dport_start;
++ unsigned short dport_end;
++} NAT_WRULE_ENTRY_T;
++
++// NATAWRULE & NATDWRULE Commands
++typedef struct {
++ unsigned int qid;
++ NAT_WRULE_ENTRY_T entry;
++} NAT_WRULE_T;
++
++// NATGWRULE Command
++typedef struct {
++ unsigned int total;
++ NAT_WRULE_ENTRY_T entry[CONFIG_NAT_MAX_WRULE];
++} NAT_WRULE_ALL_T;
++
++// NATSDEFQ & NATGDEFQ commands
++typedef struct {
++ unsigned int qid;
++} NAT_QUEUE_T;
++
++// NATTESTENTRY
++typedef struct {
++ u_int16_t cmd; // command ID
++ u_int16_t len; // data length, excluding this header
++ u_int8_t init_enable;
++} NAT_TESTENTRY_T;
++
++typedef union
++{
++ NAT_STATUS_T status;
++ NAT_PORTCFG_T portcfg;
++ NAT_IPCFG_T ipcfg;
++ NAT_XPORT_T xport;
++ NAT_WEIGHT_T weight;
++ NAT_WRULE_T wrule;
++ NAT_QUEUE_T queue;
++ NAT_TESTENTRY_T init_entry;
++} NAT_REQ_E;
++
++/*----------------------------------------------------------------------
++* NAT Configuration
++* - Used by driver only
++*----------------------------------------------------------------------*/
++typedef struct {
++ unsigned int enabled;
++ unsigned int init_enabled;
++ unsigned int tcp_udp_rule_id;
++ unsigned int gre_rule_id;
++ unsigned int lan_port;
++ unsigned int wan_port;
++ unsigned int default_hw_txq;
++ short tcp_tmo_interval;
++ short udp_tmo_interval;
++ short gre_tmo_interval;
++ NAT_IPCFG_ALL_T ipcfg[2]; // LAN/WAN port
++ NAT_XPORT_ALL_T xport;
++ NAT_WEIGHT_T weight;
++ NAT_WRULE_ALL_T wrule[CONFIG_NAT_TXQ_NUM];
++} NAT_CFG_T;
++
++/*----------------------------------------------------------------------
++* NAT Control Block
++* - Used by driver only
++* - Stores LAN-IN or WAN-IN information
++* - WAN-OUT and LAN-OUT driver use them to build up a hash entry
++* - NOTES: To update this data structure, MUST take care of alignment issue
++* - MUST make sure that the size of skbuff structure must
++* be larger than (40 + sizof(NAT_CB_T))
++*----------------------------------------------------------------------*/
++typedef struct {
++ unsigned short tag;
++ unsigned char sa[6];
++ unsigned int sip;
++ unsigned int dip;
++ unsigned short sport;
++ unsigned short dport;
++ unsigned char pppoe_frame;
++ unsigned char state; // same to enum tcp_conntrack
++ unsigned char reserved[2];
++} NAT_CB_T;
++
++#define NAT_CB_TAG 0x4C53 // "SL"
++#define NAT_CB_SIZE sizeof(NAT_CB_T)
++// #define NAT_SKB_CB(skb) (NAT_CB_T *)(((unsigned int)&((skb)->cb[40]) + 3) & ~3) // for align 4
++#define NAT_SKB_CB(skb) (NAT_CB_T *)&((skb)->cb[40]) // for align 4
++
++#endif // _SL351x_NAT_CFG_H_
++
++
++
+--- /dev/null ++++ b/include/asm-arm/arch-sl2312/sl351x_toe.h +@@ -0,0 +1,88 @@ ++/************************************************************************** ++* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved. ++*-------------------------------------------------------------------------- ++* Name : sl351x_toe.h ++* Description : ++* Define for TOE driver of Storlink SL351x ++* ++* History ++* ++* Date Writer Description ++*---------------------------------------------------------------------------- ++* Xiaochong Create ++* ++****************************************************************************/ ++#ifndef __SL351x_TOE_H ++#define __SL351x_TOE_H 1 ++#include <net/sock.h> ++#include <asm/arch/sl351x_gmac.h> ++#include <linux/timer.h> ++#include <linux/netdevice.h> ++#include <linux/ip.h> ++#include <linux/if_ether.h> ++/* ++ * TOE_CONN_T is data structure of tcp connection info, used at both ++ * device layer and kernel tcp layer ++ * skb is the jumbo frame ++ */ ++ ++struct toe_conn{ ++ __u8 qid; // connection qid 0~63. ++ __u8 ip_ver; // 0: not used; 4: ipv4; 6: ipv6. ++ /* hash key of the connection */ ++ __u16 source; ++ __u16 dest; ++ __u32 saddr[4]; ++ __u32 daddr[4]; ++ ++ __u32 seq; ++ __u32 ack_seq; ++ ++ /* these fields are used to set TOE QHDR */ ++ __u32 ack_threshold; ++ __u32 seq_threshold; ++ __u16 max_pktsize; ++ ++ /* used by sw toe, accumulated ack_seq of ack frames */ ++ __u16 ack_cnt; ++ /* used by sw toe, accumulated data frames held at driver */ ++ __u16 cur_pktsize; ++ ++ __u8 status; ++#define TCP_CONN_UNDEFINE 0X00 ++#define TCP_CONN_CREATION 0X01 ++#define TCP_CONN_CONNECTING 0X02 ++#define TCP_CONN_ESTABLISHED 0X04 ++#define TCP_CONN_RESET 0X08 // this is used for out-of-order ++ // or congestion window is small ++#define TCP_CONN_CLOSING 0X10 ++#define TCP_CONN_CLOSED 0x11 ++ ++ __u16 hash_entry_index; /* associated hash entry */ ++ ++ // one timer per connection. Otherwise all connections should be scanned ++ // in a timeout interrupt, and timeout interrupt is triggered no matter ++ // a connection is actually timeout or not. ++ struct timer_list rx_timer; ++ unsigned long last_rx_jiffies; ++ GMAC_INFO_T *gmac; ++ struct net_device *dev; ++ ++ // for generating pure ack frame. ++ struct ethhdr l2_hdr; ++ struct iphdr l3_hdr; ++ ++ spinlock_t conn_lock; ++ DMA_RWPTR_T toeq_rwptr; ++ GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *curr_rx_skb; ++}; ++ ++struct jumbo_frame { ++ struct sk_buff *skb0; // the head of jumbo frame ++ struct sk_buff *tail; // the tail of jumbo frame ++ struct iphdr *iphdr0; // the ip hdr of skb0. ++ struct tcphdr *tcphdr0; // the tcp hdr of skb0. ++}; ++ ++#endif // __SL351x_TOE_H +--- a/drivers/net/Kconfig ++++ b/drivers/net/Kconfig +@@ -2131,6 +2131,42 @@ + + The safe and default value for this is N. + ++config NET_GMAC ++ tristate "Storlink Gigabit Ethernet support" ++ depends on ARCH_SL2312 ++ help ++ This driver supports Storlink dual Gigabit Ethernet. ++ ++config NET_SL2312 ++ tristate "Storlink Gigabit Ethernet support" ++ depends on NET_GMAC ++ help ++ This driver supports Storlink dual Gigabit Ethernet. ++ ++config NET_SL351X ++ tristate "Storlink Lepus Gigabit Ethernet support" ++ depends on NET_GMAC ++ help ++ This driver supports Storlink TOE and NAT dual Gigabit Ethernet. ++ ++config SL2312_TSO ++ bool "Tx Segmentation Enable" ++ depends on NET_GMAC ++ help ++ TBD ++ ++config SL2312_MPAGE ++ bool "Tx Multipage Enable" ++ depends on NET_GMAC ++ help ++ TBD ++ ++config SL2312_RECVFILE ++ bool "Rx Multipage Enable" ++ depends on NET_GMAC ++ help ++ TBD ++ + config DL2K + tristate "D-Link DL2000-based Gigabit Ethernet support" + depends on PCI +--- a/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -236,4 +236,8 @@ + + obj-$(CONFIG_FS_ENET) += fs_enet/ + +-obj-$(CONFIG_NETXEN_NIC) += netxen/ ++ ++obj-$(CONFIG_NET_SL351X)+= sl351x_gmac.o sl351x_nat.o sl351x_hash.o sl351x_crc16.o sl351x_proc.o sl_switch.o ++obj-$(CONFIG_NET_SL2312)+= sl2312_emac.o ++ ++ |