diff options
Diffstat (limited to 'target/linux/gemini/patches-4.1/120-net-add-gemini-gmac-driver.patch')
| -rw-r--r-- | target/linux/gemini/patches-4.1/120-net-add-gemini-gmac-driver.patch | 3953 |
1 files changed, 0 insertions, 3953 deletions
diff --git a/target/linux/gemini/patches-4.1/120-net-add-gemini-gmac-driver.patch b/target/linux/gemini/patches-4.1/120-net-add-gemini-gmac-driver.patch deleted file mode 100644 index fd5045cae8..0000000000 --- a/target/linux/gemini/patches-4.1/120-net-add-gemini-gmac-driver.patch +++ /dev/null @@ -1,3953 +0,0 @@ ---- /dev/null -+++ b/arch/arm/mach-gemini/include/mach/gmac.h -@@ -0,0 +1,21 @@ -+/* -+ * Gemini GMAC specific defines -+ * -+ * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@gmail.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+#ifndef __NET_GEMINI_PLATFORM_H__ -+#define __NET_GEMINI_PLATFORM_H__ -+ -+#include <linux/phy.h> -+ -+struct gemini_gmac_platform_data { -+ char *bus_id[2]; /* NULL means that this port is not used */ -+ phy_interface_t interface[2]; -+}; -+ -+#endif /* __NET_GEMINI_PLATFORM_H__ */ ---- a/arch/arm/mach-gemini/common.h -+++ b/arch/arm/mach-gemini/common.h -@@ -15,6 +15,7 @@ - #include <linux/reboot.h> - - struct mtd_partition; -+struct gemini_gmac_platform_data; - - extern void gemini_map_io(void); - extern void gemini_init_irq(void); -@@ -28,6 +29,7 @@ extern int platform_register_pflash(unsi - struct mtd_partition *parts, - unsigned int nr_parts); - extern int platform_register_watchdog(void); -+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); - - extern void gemini_restart(enum reboot_mode mode, const char *cmd); - ---- a/arch/arm/mach-gemini/devices.c -+++ b/arch/arm/mach-gemini/devices.c -@@ -17,6 +17,7 @@ - #include <mach/irqs.h> - #include <mach/hardware.h> - #include <mach/global_reg.h> -+#include <mach/gmac.h> - #include "common.h" - - static struct plat_serial8250_port serial_platform_data[] = { -@@ -134,3 +135,56 @@ int __init platform_register_watchdog(vo - { - return platform_device_register(&wdt_device); - } -+ -+static struct resource gmac_resources[] = { -+ { -+ .start = GEMINI_TOE_BASE, -+ .end = GEMINI_TOE_BASE + 0xffff, -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .start = IRQ_GMAC0, -+ .end = IRQ_GMAC0, -+ .flags = IORESOURCE_IRQ, -+ }, -+ { -+ .start = IRQ_GMAC1, -+ .end = IRQ_GMAC1, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static u64 gmac_dmamask = 0xffffffffUL; -+ -+static struct platform_device ethernet_device = { -+ .name = "gmac-gemini", -+ .id = 0, -+ .dev = { -+ .dma_mask = &gmac_dmamask, -+ .coherent_dma_mask = 0xffffffff, -+ }, -+ .num_resources = ARRAY_SIZE(gmac_resources), -+ .resource = gmac_resources, -+}; -+ -+int platform_register_ethernet(struct gemini_gmac_platform_data *pdata) -+{ -+ unsigned int reg; -+ -+ reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + -+ GLOBAL_MISC_CTRL)); -+ -+ reg &= ~(GMAC_GMII | GMAC_1_ENABLE); -+ -+ if (pdata->bus_id[1]) -+ reg |= GMAC_1_ENABLE; -+ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII) -+ reg |= GMAC_GMII; -+ -+ writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + -+ GLOBAL_MISC_CTRL)); -+ -+ ethernet_device.dev.platform_data = pdata; -+ -+ return platform_device_register(ðernet_device); -+} ---- a/drivers/net/ethernet/Kconfig -+++ b/drivers/net/ethernet/Kconfig -@@ -70,6 +70,7 @@ source "drivers/net/ethernet/neterion/Kc - source "drivers/net/ethernet/faraday/Kconfig" - source "drivers/net/ethernet/freescale/Kconfig" - source "drivers/net/ethernet/fujitsu/Kconfig" -+source "drivers/net/ethernet/gemini/Kconfig" - source "drivers/net/ethernet/hisilicon/Kconfig" - source "drivers/net/ethernet/hp/Kconfig" - source "drivers/net/ethernet/ibm/Kconfig" ---- a/drivers/net/ethernet/Makefile -+++ b/drivers/net/ethernet/Makefile -@@ -33,6 +33,7 @@ obj-$(CONFIG_NET_VENDOR_EXAR) += neterio - obj-$(CONFIG_NET_VENDOR_FARADAY) += faraday/ - obj-$(CONFIG_NET_VENDOR_FREESCALE) += freescale/ - obj-$(CONFIG_NET_VENDOR_FUJITSU) += fujitsu/ -+obj-$(CONFIG_NET_VENDOR_GEMINI) += gemini/ - obj-$(CONFIG_NET_VENDOR_HISILICON) += hisilicon/ - obj-$(CONFIG_NET_VENDOR_HP) += hp/ - obj-$(CONFIG_NET_VENDOR_IBM) += ibm/ ---- /dev/null -+++ b/drivers/net/ethernet/gemini/Kconfig -@@ -0,0 +1,31 @@ -+# -+# Gemini device configuration -+# -+ -+config NET_VENDOR_GEMINI -+ bool "Cortina Gemini devices" -+ default y -+ depends on ARCH_GEMINI -+ ---help--- -+ If you have a network (Ethernet) card belonging to this class, say Y -+ and read the Ethernet-HOWTO, available from -+ <http://www.tldp.org/docs.html#howto>. -+ -+ Note that the answer to this question doesn't directly affect the -+ kernel: saying N will just cause the configurator to skip all -+ the questions about D-Link devices. If you say Y, you will be asked for -+ your specific card in the following questions. -+ -+if NET_VENDOR_GEMINI -+ -+config GEMINI_SL351X -+ tristate "StorLink SL351x Gigabit Ethernet support" -+ depends on ARCH_GEMINI -+ select PHYLIB -+ select MDIO_BITBANG -+ select MDIO_GPIO -+ select CRC32 -+ ---help--- -+ This driver supports StorLink SL351x (Gemini) dual Gigabit Ethernet. -+ -+endif # NET_VENDOR_GEMINI ---- /dev/null -+++ b/drivers/net/ethernet/gemini/Makefile -@@ -0,0 +1,5 @@ -+# -+# Makefile for the Cortina Gemini network device drivers. -+# -+ -+obj-$(CONFIG_GEMINI_SL351X) += sl351x.o ---- /dev/null -+++ b/drivers/net/ethernet/gemini/sl351x.c -@@ -0,0 +1,2340 @@ -+/* -+ * Ethernet device driver for Gemini SoC (SL351x GMAC). -+ * -+ * Copyright (C) 2011, Tobias Waldvogel <tobias.waldvogel@gmail.com> -+ * -+ * Based on work by Michał Mirosław <mirq-linux@rere.qmqm.pl> and -+ * Paulius Zaleckas <paulius.zaleckas@gmail.com> and -+ * Giuseppe De Robertis <Giuseppe.DeRobertis@ba.infn.it> and -+ * GPLd spaghetti code from Raidsonic and other Gemini-based NAS vendors. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/init.h> -+ -+#include <linux/spinlock.h> -+#include <linux/slab.h> -+#include <linux/dma-mapping.h> -+#include <linux/cache.h> -+#include <linux/interrupt.h> -+ -+#include <linux/platform_device.h> -+#include <linux/etherdevice.h> -+#include <linux/if_vlan.h> -+#include <linux/skbuff.h> -+#include <linux/phy.h> -+#include <linux/crc32.h> -+#include <linux/ethtool.h> -+#include <linux/tcp.h> -+#include <linux/u64_stats_sync.h> -+ -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <linux/ipv6.h> -+ -+#include <mach/hardware.h> -+#include <mach/global_reg.h> -+ -+#include <mach/gmac.h> -+#include "sl351x_hw.h" -+ -+#define DRV_NAME "gmac-gemini" -+#define DRV_VERSION "1.0" -+ -+#define HSIZE_8 0b00 -+#define HSIZE_16 0b01 -+#define HSIZE_32 0b10 -+ -+#define HBURST_SINGLE 0b00 -+#define HBURST_INCR 0b01 -+#define HBURST_INCR4 0b10 -+#define HBURST_INCR8 0b11 -+ -+#define HPROT_DATA_CACHE BIT(0) -+#define HPROT_PRIVILIGED BIT(1) -+#define HPROT_BUFFERABLE BIT(2) -+#define HPROT_CACHABLE BIT(3) -+ -+#define DEFAULT_RX_COALESCE_NSECS 0 -+#define DEFAULT_GMAC_RXQ_ORDER 9 -+#define DEFAULT_GMAC_TXQ_ORDER 8 -+#define DEFAULT_RX_BUF_ORDER 11 -+#define DEFAULT_NAPI_WEIGHT 64 -+#define TX_MAX_FRAGS 16 -+#define TX_QUEUE_NUM 1 /* max: 6 */ -+#define RX_MAX_ALLOC_ORDER 2 -+ -+#define GMAC0_IRQ0_2 (GMAC0_TXDERR_INT_BIT|GMAC0_TXPERR_INT_BIT| \ -+ GMAC0_RXDERR_INT_BIT|GMAC0_RXPERR_INT_BIT) -+#define GMAC0_IRQ0_TXQ0_INTS (GMAC0_SWTQ00_EOF_INT_BIT| \ -+ GMAC0_SWTQ00_FIN_INT_BIT) -+#define GMAC0_IRQ4_8 (GMAC0_MIB_INT_BIT|GMAC0_RX_OVERRUN_INT_BIT) -+ -+#define GMAC_OFFLOAD_FEATURES (NETIF_F_SG | NETIF_F_IP_CSUM | \ -+ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | \ -+ NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6) -+ -+MODULE_AUTHOR("Tobias Waldvogel"); -+MODULE_DESCRIPTION("StorLink SL351x (Gemini) ethernet driver"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:" DRV_NAME); -+ -+struct toe_private { -+ void __iomem *iomem; -+ spinlock_t irq_lock; -+ -+ struct net_device *netdev[2]; -+ __le32 mac_addr[2][3]; -+ -+ struct device *dev; -+ int irq; -+ -+ unsigned int freeq_order; -+ unsigned int freeq_frag_order; -+ GMAC_RXDESC_T *freeq_ring; -+ dma_addr_t freeq_dma_base; -+ struct page **freeq_page_tab; -+ spinlock_t freeq_lock; -+}; -+ -+struct gmac_txq { -+ GMAC_TXDESC_T *ring; -+ struct sk_buff **skb; -+ unsigned int cptr; -+ unsigned int noirq_packets; -+}; -+ -+struct gmac_private { -+ unsigned int num; -+ struct toe_private *toe; -+ void __iomem *ctl_iomem; -+ void __iomem *dma_iomem; -+ -+ void __iomem *rxq_rwptr; -+ GMAC_RXDESC_T *rxq_ring; -+ unsigned int rxq_order; -+ -+ struct napi_struct napi; -+ struct hrtimer rx_coalesce_timer; -+ unsigned int rx_coalesce_nsecs; -+ unsigned int freeq_refill; -+ struct gmac_txq txq[TX_QUEUE_NUM]; -+ unsigned int txq_order; -+ unsigned int irq_every_tx_packets; -+ -+ dma_addr_t rxq_dma_base; -+ dma_addr_t txq_dma_base; -+ -+ unsigned int msg_enable; -+ spinlock_t config_lock; -+ -+ struct u64_stats_sync tx_stats_syncp; -+ struct u64_stats_sync rx_stats_syncp; -+ struct u64_stats_sync ir_stats_syncp; -+ -+ struct rtnl_link_stats64 stats; -+ u64 hw_stats[RX_STATS_NUM]; -+ u64 rx_stats[RX_STATUS_NUM]; -+ u64 rx_csum_stats[RX_CHKSUM_NUM]; -+ u64 rx_napi_exits; -+ u64 tx_frag_stats[TX_MAX_FRAGS]; -+ u64 tx_frags_linearized; -+ u64 tx_hw_csummed; -+}; -+ -+#define GMAC_STATS_NUM ( \ -+ RX_STATS_NUM + RX_STATUS_NUM + RX_CHKSUM_NUM + 1 + \ -+ TX_MAX_FRAGS + 2) -+ -+static const char gmac_stats_strings[GMAC_STATS_NUM][ETH_GSTRING_LEN] = { -+ "GMAC_IN_DISCARDS", -+ "GMAC_IN_ERRORS", -+ "GMAC_IN_MCAST", -+ "GMAC_IN_BCAST", -+ "GMAC_IN_MAC1", -+ "GMAC_IN_MAC2", -+ "RX_STATUS_GOOD_FRAME", -+ "RX_STATUS_TOO_LONG_GOOD_CRC", -+ "RX_STATUS_RUNT_FRAME", -+ "RX_STATUS_SFD_NOT_FOUND", -+ "RX_STATUS_CRC_ERROR", -+ "RX_STATUS_TOO_LONG_BAD_CRC", -+ "RX_STATUS_ALIGNMENT_ERROR", -+ "RX_STATUS_TOO_LONG_BAD_ALIGN", -+ "RX_STATUS_RX_ERR", -+ "RX_STATUS_DA_FILTERED", -+ "RX_STATUS_BUFFER_FULL", -+ "RX_STATUS_11", -+ "RX_STATUS_12", -+ "RX_STATUS_13", -+ "RX_STATUS_14", -+ "RX_STATUS_15", -+ "RX_CHKSUM_IP_UDP_TCP_OK", -+ "RX_CHKSUM_IP_OK_ONLY", -+ "RX_CHKSUM_NONE", -+ "RX_CHKSUM_3", -+ "RX_CHKSUM_IP_ERR_UNKNOWN", -+ "RX_CHKSUM_IP_ERR", -+ "RX_CHKSUM_TCP_UDP_ERR", -+ "RX_CHKSUM_7", -+ "RX_NAPI_EXITS", -+ "TX_FRAGS[1]", -+ "TX_FRAGS[2]", -+ "TX_FRAGS[3]", -+ "TX_FRAGS[4]", -+ "TX_FRAGS[5]", -+ "TX_FRAGS[6]", -+ "TX_FRAGS[7]", -+ "TX_FRAGS[8]", -+ "TX_FRAGS[9]", -+ "TX_FRAGS[10]", -+ "TX_FRAGS[11]", -+ "TX_FRAGS[12]", -+ "TX_FRAGS[13]", -+ "TX_FRAGS[14]", -+ "TX_FRAGS[15]", -+ "TX_FRAGS[16+]", -+ "TX_FRAGS_LINEARIZED", -+ "TX_HW_CSUMMED", -+}; -+ -+static void gmac_dump_dma_state(struct net_device *dev); -+ -+static void gmac_update_config0_reg(struct net_device *dev, u32 val, u32 vmask) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&gmac->config_lock, flags); -+ -+ reg = readl(gmac->ctl_iomem + GMAC_CONFIG0); -+ reg = (reg & ~vmask) | val; -+ writel(reg, gmac->ctl_iomem + GMAC_CONFIG0); -+ -+ spin_unlock_irqrestore(&gmac->config_lock, flags); -+} -+ -+static void gmac_enable_tx_rx(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&gmac->config_lock, flags); -+ -+ reg = readl(config0); -+ reg &= ~CONFIG0_TX_RX_DISABLE; -+ writel(reg, config0); -+ -+ spin_unlock_irqrestore(&gmac->config_lock, flags); -+} -+ -+static void gmac_disable_tx_rx(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&gmac->config_lock, flags); -+ -+ reg = readl(config0); -+ reg |= CONFIG0_TX_RX_DISABLE; -+ writel(reg, config0); -+ -+ spin_unlock_irqrestore(&gmac->config_lock, flags); -+ -+ mdelay(10); /* let GMAC consume packet */ -+} -+ -+static void gmac_set_flow_control(struct net_device *dev, bool tx, bool rx) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&gmac->config_lock, flags); -+ -+ reg = readl(config0); -+ reg &= ~CONFIG0_FLOW_CTL; -+ if (tx) -+ reg |= CONFIG0_FLOW_TX; -+ if (rx) -+ reg |= CONFIG0_FLOW_RX; -+ writel(reg, config0); -+ -+ spin_unlock_irqrestore(&gmac->config_lock, flags); -+} -+ -+static void gmac_update_link_state(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ void __iomem *status_reg = gmac->ctl_iomem + GMAC_STATUS; -+ struct phy_device *phydev = dev->phydev; -+ GMAC_STATUS_T status, old_status; -+ int pause_tx=0, pause_rx=0; -+ -+ old_status.bits32 = status.bits32 = readl(status_reg); -+ -+ status.bits.link = phydev->link; -+ status.bits.duplex = phydev->duplex; -+ -+ switch (phydev->speed) { -+ case 1000: -+ status.bits.speed = GMAC_SPEED_1000; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; -+ break; -+ case 100: -+ status.bits.speed = GMAC_SPEED_100; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ case 10: -+ status.bits.speed = GMAC_SPEED_10; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ default: -+ netdev_warn(dev, "Not supported PHY speed (%d)\n", -+ phydev->speed); -+ } -+ -+ if (phydev->duplex == DUPLEX_FULL) { -+ u16 lcladv = phy_read(phydev, MII_ADVERTISE); -+ u16 rmtadv = phy_read(phydev, MII_LPA); -+ u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv); -+ -+ if (cap & FLOW_CTRL_RX) -+ pause_rx=1; -+ if (cap & FLOW_CTRL_TX) -+ pause_tx=1; -+ } -+ -+ gmac_set_flow_control(dev, pause_tx, pause_rx); -+ -+ if (old_status.bits32 == status.bits32) -+ return; -+ -+ if (netif_msg_link(gmac)) { -+ phy_print_status(phydev); -+ netdev_info(dev, "link flow control: %s\n", -+ phydev->pause -+ ? (phydev->asym_pause ? "tx" : "both") -+ : (phydev->asym_pause ? "rx" : "none") -+ ); -+ } -+ -+ gmac_disable_tx_rx(dev); -+ writel(status.bits32, status_reg); -+ gmac_enable_tx_rx(dev); -+} -+ -+static int gmac_setup_phy(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ struct gemini_gmac_platform_data *pdata = toe->dev->platform_data; -+ GMAC_STATUS_T status = { .bits32 = 0 }; -+ int num = dev->dev_id; -+ -+ dev->phydev = phy_connect(dev, pdata->bus_id[num], -+ &gmac_update_link_state, pdata->interface[num]); -+ -+ if (IS_ERR(dev->phydev)) { -+ int err = PTR_ERR(dev->phydev); -+ dev->phydev = NULL; -+ return err; -+ } -+ -+ dev->phydev->supported &= PHY_GBIT_FEATURES; -+ dev->phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause; -+ dev->phydev->advertising = dev->phydev->supported; -+ -+ /* set PHY interface type */ -+ switch (dev->phydev->interface) { -+ case PHY_INTERFACE_MODE_MII: -+ status.bits.mii_rmii = GMAC_PHY_MII; -+ break; -+ case PHY_INTERFACE_MODE_GMII: -+ status.bits.mii_rmii = GMAC_PHY_GMII; -+ break; -+ case PHY_INTERFACE_MODE_RGMII: -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ default: -+ netdev_err(dev, "Unsupported MII interface\n"); -+ phy_disconnect(dev->phydev); -+ dev->phydev = NULL; -+ return -EINVAL; -+ } -+ writel(status.bits32, gmac->ctl_iomem + GMAC_STATUS); -+ -+ return 0; -+} -+ -+static int gmac_pick_rx_max_len(int max_l3_len) -+{ -+ /* index = CONFIG_MAXLEN_XXX values */ -+ static const int max_len[8] = { -+ 1536, 1518, 1522, 1542, -+ 9212, 10236, 1518, 1518 -+ }; -+ int i, n = 5; -+ -+ max_l3_len += ETH_HLEN + VLAN_HLEN; -+ -+ if (max_l3_len > max_len[n]) -+ return -1; -+ -+ for (i = 0; i < 5; ++i) { -+ if (max_len[i] >= max_l3_len && max_len[i] < max_len[n]) -+ n = i; -+ } -+ -+ return n; -+} -+ -+static int gmac_init(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ u32 val; -+ -+ GMAC_CONFIG0_T config0 = { .bits = { -+ .dis_tx = 1, -+ .dis_rx = 1, -+ .ipv4_rx_chksum = 1, -+ .ipv6_rx_chksum = 1, -+ .rx_err_detect = 1, -+ .rgmm_edge = 1, -+ .port0_chk_hwq = 1, -+ .port1_chk_hwq = 1, -+ .port0_chk_toeq = 1, -+ .port1_chk_toeq = 1, -+ .port0_chk_classq = 1, -+ .port1_chk_classq = 1, -+ } }; -+ GMAC_AHB_WEIGHT_T ahb_weight = { .bits = { -+ .rx_weight = 1, -+ .tx_weight = 1, -+ .hash_weight = 1, -+ .pre_req = 0x1f, -+ .tqDV_threshold = 0, -+ } }; -+ GMAC_TX_WCR0_T hw_weigh = { .bits = { -+ .hw_tq3 = 1, -+ .hw_tq2 = 1, -+ .hw_tq1 = 1, -+ .hw_tq0 = 1, -+ } }; -+ GMAC_TX_WCR1_T sw_weigh = { .bits = { -+ .sw_tq5 = 1, -+ .sw_tq4 = 1, -+ .sw_tq3 = 1, -+ .sw_tq2 = 1, -+ .sw_tq1 = 1, -+ .sw_tq0 = 1, -+ } }; -+ GMAC_CONFIG1_T config1 = { .bits = { -+ .set_threshold = 16, -+ .rel_threshold = 24, -+ } }; -+ GMAC_CONFIG2_T config2 = { .bits = { -+ .set_threshold = 16, -+ .rel_threshold = 32, -+ } }; -+ GMAC_CONFIG3_T config3 = { .bits = { -+ .set_threshold = 0, -+ .rel_threshold = 0, -+ } }; -+ -+ config0.bits.max_len = gmac_pick_rx_max_len(dev->mtu); -+ -+ val = readl(gmac->ctl_iomem + GMAC_CONFIG0); -+ config0.bits.reserved = ((GMAC_CONFIG0_T)val).bits.reserved; -+ writel(config0.bits32, gmac->ctl_iomem + GMAC_CONFIG0); -+ writel(config1.bits32, gmac->ctl_iomem + GMAC_CONFIG1); -+ writel(config2.bits32, gmac->ctl_iomem + GMAC_CONFIG2); -+ writel(config3.bits32, gmac->ctl_iomem + GMAC_CONFIG3); -+ -+ val = readl(gmac->dma_iomem + GMAC_AHB_WEIGHT_REG); -+ writel(ahb_weight.bits32, gmac->dma_iomem + GMAC_AHB_WEIGHT_REG); -+ -+ writel(hw_weigh.bits32, -+ gmac->dma_iomem + GMAC_TX_WEIGHTING_CTRL_0_REG); -+ writel(sw_weigh.bits32, -+ gmac->dma_iomem + GMAC_TX_WEIGHTING_CTRL_1_REG); -+ -+ gmac->rxq_order = DEFAULT_GMAC_RXQ_ORDER; -+ gmac->txq_order = DEFAULT_GMAC_TXQ_ORDER; -+ gmac->rx_coalesce_nsecs = DEFAULT_RX_COALESCE_NSECS; -+ -+ /* Mark every quarter of the queue a packet for interrupt -+ in order to be able to wake up the queue if it was stopped */ -+ gmac->irq_every_tx_packets = 1 << (gmac->txq_order - 2); -+ -+ return 0; -+} -+ -+static void gmac_uninit(struct net_device *dev) -+{ -+ if (dev->phydev) -+ phy_disconnect(dev->phydev); -+} -+ -+static int gmac_setup_txqs(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ void __iomem *rwptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; -+ void __iomem *base_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_BASE_REG; -+ -+ unsigned int n_txq = dev->num_tx_queues; -+ size_t entries = 1 <<gmac->txq_order; -+ size_t len = n_txq * entries; -+ struct gmac_txq *txq = gmac->txq; -+ GMAC_TXDESC_T *desc_ring; -+ struct sk_buff **skb_tab; -+ unsigned int r; -+ int i; -+ -+ skb_tab = kzalloc(len * sizeof(*skb_tab), GFP_KERNEL); -+ if (!skb_tab) -+ return -ENOMEM; -+ -+ desc_ring = dma_alloc_coherent(toe->dev, len * sizeof(*desc_ring), -+ &gmac->txq_dma_base, GFP_KERNEL); -+ -+ if (!desc_ring) { -+ kfree(skb_tab); -+ return -ENOMEM; -+ } -+ -+ BUG_ON(gmac->txq_dma_base & ~DMA_Q_BASE_MASK); -+ -+ writel(gmac->txq_dma_base | gmac->txq_order, base_reg); -+ -+ for (i = 0; i < n_txq; i++) { -+ txq->ring = desc_ring; -+ txq->skb = skb_tab; -+ txq->noirq_packets = 0; -+ -+ r = readw(rwptr_reg); -+ rwptr_reg += 2; -+ writew(r, rwptr_reg); -+ rwptr_reg +=2; -+ txq->cptr = r; -+ -+ txq++; -+ desc_ring += entries; -+ skb_tab += entries; -+ } -+ -+ return 0; -+} -+ -+static void gmac_clean_txq(struct net_device *dev, struct gmac_txq *txq, -+ unsigned int r) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned int errs = 0; -+ unsigned int pkts = 0; -+ unsigned int hwchksum = 0; -+ unsigned long bytes = 0; -+ unsigned int m = (1 << gmac->txq_order) - 1; -+ unsigned int c = txq->cptr; -+ GMAC_TXDESC_0_T word0; -+ GMAC_TXDESC_1_T word1; -+ unsigned int word3; -+ dma_addr_t mapping; -+ GMAC_TXDESC_T *txd; -+ unsigned short nfrags; -+ -+ if (unlikely(c == r)) -+ return; -+ -+ rmb(); -+ while (c != r) { -+ txd = txq->ring + c; -+ word0 = txd->word0; -+ word1 = txd->word1; -+ mapping = txd->word2.buf_adr; -+ word3 = txd->word3.bits32; -+ -+ dma_unmap_single(toe->dev, mapping, word0.bits.buffer_size, DMA_TO_DEVICE); -+ -+ if (word3 & EOF_BIT) -+ dev_kfree_skb(txq->skb[c]); -+ -+ c++; -+ c &= m; -+ -+ if (!(word3 & SOF_BIT)) -+ continue; -+ -+ if (!word0.bits.status_tx_ok) { -+ errs++; -+ continue; -+ } -+ -+ pkts++; -+ bytes += txd->word1.bits.byte_count; -+ -+ if (word1.bits32 & TSS_CHECKUM_ENABLE) -+ hwchksum++; -+ -+ nfrags = word0.bits.desc_count - 1; -+ if (nfrags) { -+ if (nfrags >= TX_MAX_FRAGS) -+ nfrags = TX_MAX_FRAGS - 1; -+ -+ u64_stats_update_begin(&gmac->tx_stats_syncp); -+ gmac->tx_frag_stats[nfrags]++; -+ u64_stats_update_end(&gmac->ir_stats_syncp); -+ } -+ } -+ -+ u64_stats_update_begin(&gmac->ir_stats_syncp); -+ gmac->stats.tx_errors += errs; -+ gmac->stats.tx_packets += pkts; -+ gmac->stats.tx_bytes += bytes; -+ gmac->tx_hw_csummed += hwchksum; -+ u64_stats_update_end(&gmac->ir_stats_syncp); -+ -+ txq->cptr = c; -+} -+ -+static void gmac_cleanup_txqs(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ void __iomem *rwptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; -+ void __iomem *base_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_BASE_REG; -+ -+ unsigned n_txq = dev->num_tx_queues; -+ unsigned int r, i; -+ -+ for (i = 0; i < n_txq; i++) { -+ r = readw(rwptr_reg); -+ rwptr_reg += 2; -+ writew(r, rwptr_reg); -+ rwptr_reg += 2; -+ -+ gmac_clean_txq(dev, gmac->txq + i, r); -+ } -+ writel(0, base_reg); -+ -+ kfree(gmac->txq->skb); -+ dma_free_coherent(toe->dev, -+ n_txq * sizeof(*gmac->txq->ring) << gmac->txq_order, -+ gmac->txq->ring, gmac->txq_dma_base); -+} -+ -+static int gmac_setup_rxq(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ NONTOE_QHDR_T __iomem *qhdr = toe->iomem + TOE_DEFAULT_Q_HDR_BASE(dev->dev_id); -+ -+ gmac->rxq_rwptr = &qhdr->word1; -+ gmac->rxq_ring = dma_alloc_coherent(toe->dev, -+ sizeof(*gmac->rxq_ring) << gmac->rxq_order, -+ &gmac->rxq_dma_base, GFP_KERNEL); -+ if (!gmac->rxq_ring) -+ return -ENOMEM; -+ -+ BUG_ON(gmac->rxq_dma_base & ~NONTOE_QHDR0_BASE_MASK); -+ -+ writel(gmac->rxq_dma_base | gmac->rxq_order, &qhdr->word0); -+ writel(0, gmac->rxq_rwptr); -+ return 0; -+} -+ -+static void gmac_cleanup_rxq(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ -+ NONTOE_QHDR_T __iomem *qhdr = toe->iomem + TOE_DEFAULT_Q_HDR_BASE(dev->dev_id); -+ void __iomem *dma_reg = &qhdr->word0; -+ void __iomem *ptr_reg = &qhdr->word1; -+ GMAC_RXDESC_T *rxd = gmac->rxq_ring; -+ DMA_RWPTR_T rw; -+ unsigned int r, w; -+ unsigned int m = (1 <<gmac->rxq_order) - 1; -+ struct page *page; -+ dma_addr_t mapping; -+ -+ rw.bits32 = readl(ptr_reg); -+ r = rw.bits.rptr; -+ w = rw.bits.wptr; -+ writew(r, ptr_reg + 2); -+ -+ writel(0, dma_reg); -+ -+ rmb(); -+ while (r != w) { -+ mapping = rxd[r].word2.buf_adr; -+ r++; -+ r &= m; -+ -+ if (!mapping) -+ continue; -+ -+ page = pfn_to_page(dma_to_pfn(toe->dev, mapping)); -+ put_page(page); -+ } -+ -+ dma_free_coherent(toe->dev, sizeof(*gmac->rxq_ring) << gmac->rxq_order, -+ gmac->rxq_ring, gmac->rxq_dma_base); -+} -+ -+static struct page *toe_freeq_alloc_map_page(struct toe_private *toe, int pn) -+{ -+ unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; -+ unsigned int frag_len = 1 << toe->freeq_frag_order; -+ GMAC_RXDESC_T *freeq_entry; -+ dma_addr_t mapping; -+ struct page *page; -+ int i; -+ -+ page = alloc_page(__GFP_COLD | GFP_ATOMIC); -+ if (!page) -+ return NULL; -+ -+ mapping = dma_map_single(toe->dev, page_address(page), -+ PAGE_SIZE, DMA_FROM_DEVICE); -+ -+ if (unlikely(dma_mapping_error(toe->dev, mapping) || !mapping)) { -+ put_page(page); -+ return NULL; -+ } -+ -+ freeq_entry = toe->freeq_ring + (pn << fpp_order); -+ for (i = 1 << fpp_order; i > 0; --i) { -+ freeq_entry->word2.buf_adr = mapping; -+ freeq_entry++; -+ mapping += frag_len; -+ } -+ -+ if (toe->freeq_page_tab[pn]) { -+ mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; -+ dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); -+ put_page(toe->freeq_page_tab[pn]); -+ } -+ -+ toe->freeq_page_tab[pn] = page; -+ return page; -+} -+ -+static unsigned int toe_fill_freeq(struct toe_private *toe, int reset) -+{ -+ void __iomem *rwptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; -+ -+ DMA_RWPTR_T rw; -+ unsigned int pn, epn; -+ unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; -+ unsigned int m_pn = (1 << (toe->freeq_order - fpp_order)) - 1; -+ struct page *page; -+ unsigned int count = 0; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&toe->freeq_lock, flags); -+ -+ rw.bits32 = readl(rwptr_reg); -+ pn = (reset ? rw.bits.rptr : rw.bits.wptr) >> fpp_order; -+ epn = (rw.bits.rptr >> fpp_order) - 1; -+ epn &= m_pn; -+ -+ while (pn != epn) { -+ page = toe->freeq_page_tab[pn]; -+ -+ if (atomic_read(&page->_count) > 1) { -+ unsigned int fl = (pn -epn) & m_pn; -+ -+ if (fl > 64 >> fpp_order) -+ break; -+ -+ page = toe_freeq_alloc_map_page(toe, pn); -+ if (!page) -+ break; -+ } -+ -+ atomic_add(1 << fpp_order, &page->_count); -+ count += 1 << fpp_order; -+ pn++; -+ pn &= m_pn; -+ } -+ -+ wmb(); -+ writew(pn << fpp_order, rwptr_reg+2); -+ -+ spin_unlock_irqrestore(&toe->freeq_lock, flags); -+ return count; -+} -+ -+static int toe_setup_freeq(struct toe_private *toe) -+{ -+ void __iomem *dma_reg = toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG; -+ QUEUE_THRESHOLD_T qt; -+ DMA_SKB_SIZE_T skbsz; -+ unsigned int filled; -+ unsigned int frag_len = 1 << toe->freeq_frag_order; -+ unsigned int len = 1 << toe->freeq_order; -+ unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; -+ unsigned int pages = len >> fpp_order; -+ dma_addr_t mapping; -+ unsigned int pn; -+ -+ toe->freeq_ring = dma_alloc_coherent(toe->dev, -+ sizeof(*toe->freeq_ring) << toe->freeq_order, -+ &toe->freeq_dma_base, GFP_KERNEL); -+ if (!toe->freeq_ring) -+ return -ENOMEM; -+ -+ BUG_ON(toe->freeq_dma_base & ~DMA_Q_BASE_MASK); -+ -+ toe->freeq_page_tab = kzalloc(pages * sizeof(*toe->freeq_page_tab), -+ GFP_KERNEL); -+ if (!toe->freeq_page_tab) -+ goto err_freeq; -+ -+ for (pn = 0; pn < pages; pn++) -+ if (!toe_freeq_alloc_map_page(toe, pn)) -+ goto err_freeq_alloc; -+ -+ filled = toe_fill_freeq(toe, 1); -+ if (!filled) -+ goto err_freeq_alloc; -+ -+ qt.bits32 = readl(toe->iomem + GLOBAL_QUEUE_THRESHOLD_REG); -+ qt.bits.swfq_empty = 32; -+ writel(qt.bits32, toe->iomem + GLOBAL_QUEUE_THRESHOLD_REG); -+ -+ skbsz.bits.sw_skb_size = 1 << toe->freeq_frag_order; -+ writel(skbsz.bits32, toe->iomem + GLOBAL_DMA_SKB_SIZE_REG); -+ writel(toe->freeq_dma_base | toe->freeq_order, dma_reg); -+ -+ return 0; -+ -+err_freeq_alloc: -+ while (pn > 0) { -+ --pn; -+ mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; -+ dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); -+ put_page(toe->freeq_page_tab[pn]); -+ } -+ -+err_freeq: -+ dma_free_coherent(toe->dev, -+ sizeof(*toe->freeq_ring) << toe->freeq_order, -+ toe->freeq_ring, toe->freeq_dma_base); -+ toe->freeq_ring = NULL; -+ return -ENOMEM; -+} -+ -+static void toe_cleanup_freeq(struct toe_private *toe) -+{ -+ void __iomem *dma_reg = toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG; -+ void __iomem *ptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; -+ -+ unsigned int frag_len = 1 << toe->freeq_frag_order; -+ unsigned int len = 1 << toe->freeq_order; -+ unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; -+ unsigned int pages = len >> fpp_order; -+ struct page *page; -+ dma_addr_t mapping; -+ unsigned int pn; -+ -+ writew(readw(ptr_reg), ptr_reg + 2); -+ writel(0, dma_reg); -+ -+ for (pn = 0; pn < pages; pn++) { -+ mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; -+ dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); -+ -+ page = toe->freeq_page_tab[pn]; -+ while (atomic_read(&page->_count) > 0) -+ put_page(page); -+ } -+ -+ kfree(toe->freeq_page_tab); -+ -+ dma_free_coherent(toe->dev, -+ sizeof(*toe->freeq_ring) << toe->freeq_order, -+ toe->freeq_ring, toe->freeq_dma_base); -+} -+ -+static int toe_resize_freeq(struct toe_private *toe, int changing_dev_id) -+{ -+ void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; -+ struct gmac_private *gmac; -+ struct net_device *other = toe->netdev[1 - changing_dev_id]; -+ unsigned new_size = 0; -+ unsigned new_order; -+ int err; -+ unsigned long flags; -+ unsigned en; -+ -+ if (other && netif_running(other)) -+ return -EBUSY; -+ -+ if (toe->netdev[0]) { -+ gmac = netdev_priv(toe->netdev[0]); -+ new_size = 1 << (gmac->rxq_order + 1); -+ } -+ -+ if (toe->netdev[1]) { -+ gmac = netdev_priv(toe->netdev[1]); -+ new_size += 1 << (gmac->rxq_order + 1); -+ } -+ -+ new_order = min(15, ilog2(new_size - 1) + 1); -+ if (toe->freeq_order == new_order) -+ return 0; -+ -+ spin_lock_irqsave(&toe->irq_lock, flags); -+ en = readl(irqen_reg); -+ en &= ~SWFQ_EMPTY_INT_BIT; -+ writel(en, irqen_reg); -+ -+ if (toe->freeq_ring) -+ toe_cleanup_freeq(toe); -+ -+ toe->freeq_order = new_order; -+ err = toe_setup_freeq(toe); -+ -+ en |= SWFQ_EMPTY_INT_BIT; -+ writel(en, irqen_reg); -+ spin_unlock_irqrestore(&toe->irq_lock, flags); -+ -+ return err; -+} -+ -+static void gmac_tx_irq_enable(struct net_device *dev, unsigned txq, int en) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned val, mask; -+ -+ mask = GMAC0_IRQ0_TXQ0_INTS << (6 * dev->dev_id + txq); -+ -+ if (en) -+ writel(mask, toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); -+ -+ val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ val = en ? val | mask : val & ~mask; -+ writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+} -+ -+ -+static void gmac_tx_irq(struct net_device *dev, unsigned txq_num) -+{ -+ struct netdev_queue *ntxq = netdev_get_tx_queue(dev, txq_num); -+ -+ gmac_tx_irq_enable(dev, txq_num, 0); -+ netif_tx_wake_queue(ntxq); -+} -+ -+static int gmac_map_tx_bufs(struct net_device *dev, struct sk_buff *skb, -+ struct gmac_txq *txq, unsigned short *desc) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ struct skb_shared_info *skb_si = skb_shinfo(skb); -+ skb_frag_t *skb_frag; -+ short frag, last_frag = skb_si->nr_frags - 1; -+ unsigned short m = (1 << gmac->txq_order) -1; -+ unsigned short w = *desc; -+ unsigned word1, word3, buflen; -+ dma_addr_t mapping; -+ void *buffer; -+ unsigned short mtu; -+ GMAC_TXDESC_T *txd; -+ -+ mtu = ETH_HLEN; -+ mtu += dev->mtu; -+ if (skb->protocol == htons(ETH_P_8021Q)) -+ mtu += VLAN_HLEN; -+ -+ word1 = skb->len; -+ word3 = SOF_BIT; -+ -+ if (word1 > mtu) { -+ word1 |= TSS_MTU_ENABLE_BIT; -+ word3 += mtu; -+ } -+ -+ if (skb->ip_summed != CHECKSUM_NONE) { -+ int tcp = 0; -+ if (skb->protocol == htons(ETH_P_IP)) { -+ word1 |= TSS_IP_CHKSUM_BIT; -+ tcp = ip_hdr(skb)->protocol == IPPROTO_TCP; -+ } else { /* IPv6 */ -+ word1 |= TSS_IPV6_ENABLE_BIT; -+ tcp = ipv6_hdr(skb)->nexthdr == IPPROTO_TCP; -+ } -+ -+ word1 |= tcp ? TSS_TCP_CHKSUM_BIT : TSS_UDP_CHKSUM_BIT; -+ } -+ -+ frag = -1; -+ while (frag <= last_frag) { -+ if (frag == -1) { -+ buffer = skb->data; -+ buflen = skb_headlen(skb); -+ } else { -+ skb_frag = skb_si->frags + frag; -+ buffer = page_address(skb_frag_page(skb_frag)) + -+ skb_frag->page_offset; -+ buflen = skb_frag->size; -+ } -+ -+ if (frag == last_frag) { -+ word3 |= EOF_BIT; -+ txq->skb[w] = skb; -+ } -+ -+ mapping = dma_map_single(toe->dev, buffer, buflen, -+ DMA_TO_DEVICE); -+ if (dma_mapping_error(toe->dev, mapping) || -+ !(mapping & PAGE_MASK)) -+ goto map_error; -+ -+ txd = txq->ring + w; -+ txd->word0.bits32 = buflen; -+ txd->word1.bits32 = word1; -+ txd->word2.buf_adr = mapping; -+ txd->word3.bits32 = word3; -+ -+ word3 &= MTU_SIZE_BIT_MASK; -+ w++; -+ w &= m; -+ frag++; -+ } -+ -+ *desc = w; -+ return 0; -+ -+map_error: -+ while (w != *desc) { -+ w--; -+ w &= m; -+ -+ dma_unmap_page(toe->dev, txq->ring[w].word2.buf_adr, -+ txq->ring[w].word0.bits.buffer_size, DMA_TO_DEVICE); -+ } -+ return ENOMEM; -+} -+ -+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ void __iomem *ptr_reg; -+ struct gmac_txq *txq; -+ struct netdev_queue *ntxq; -+ int txq_num, nfrags; -+ DMA_RWPTR_T rw; -+ unsigned short r, w, d; -+ unsigned short m = (1 << gmac->txq_order) - 1; -+ -+ SKB_FRAG_ASSERT(skb); -+ -+ if (unlikely(skb->len >= 0x10000)) -+ goto out_drop_free; -+ -+ txq_num = skb_get_queue_mapping(skb); -+ ptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_PTR_REG(txq_num); -+ txq = &gmac->txq[txq_num]; -+ ntxq = netdev_get_tx_queue(dev, txq_num); -+ nfrags = skb_shinfo(skb)->nr_frags; -+ -+ rw.bits32 = readl(ptr_reg); -+ r = rw.bits.rptr; -+ w = rw.bits.wptr; -+ -+ d = txq->cptr - w - 1; -+ d &= m; -+ -+ if (unlikely(d < nfrags+2)) -+ { -+ gmac_clean_txq(dev, txq, r); -+ d = txq->cptr - w - 1; -+ d &= m; -+ -+ if (unlikely(d < nfrags+2)) { -+ netif_tx_stop_queue(ntxq); -+ -+ d = txq->cptr + nfrags + 16; -+ d &= m; -+ txq->ring[d].word3.bits.eofie = 1; -+ gmac_tx_irq_enable(dev, txq_num, 1); -+ -+ u64_stats_update_begin(&gmac->tx_stats_syncp); -+ dev->stats.tx_fifo_errors++; -+ u64_stats_update_end(&gmac->tx_stats_syncp); -+ return NETDEV_TX_BUSY; -+ } -+ } -+ -+ if (unlikely(gmac_map_tx_bufs(dev, skb, txq, &w))) { -+ if (skb_linearize(skb)) -+ goto out_drop; -+ -+ if (unlikely(gmac_map_tx_bufs(dev, skb, txq, &w))) -+ goto out_drop_free; -+ -+ u64_stats_update_begin(&gmac->tx_stats_syncp); -+ gmac->tx_frags_linearized++; -+ u64_stats_update_end(&gmac->tx_stats_syncp); -+ } -+ -+ writew(w, ptr_reg+2); -+ -+ gmac_clean_txq(dev, txq, r); -+ return NETDEV_TX_OK; -+ -+out_drop_free: -+ dev_kfree_skb(skb); -+out_drop: -+ u64_stats_update_begin(&gmac->tx_stats_syncp); -+ gmac->stats.tx_dropped++; -+ u64_stats_update_end(&gmac->tx_stats_syncp); -+ return NETDEV_TX_OK; -+} -+ -+static void gmac_tx_timeout(struct net_device *dev) -+{ -+ netdev_err(dev, "Tx timeout\n"); -+ gmac_dump_dma_state(dev); -+} -+ -+static void gmac_enable_irq(struct net_device *dev, int enable) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned long flags; -+ unsigned val, mask; -+ -+ spin_lock_irqsave(&toe->irq_lock, flags); -+ -+ mask = GMAC0_IRQ0_2 << (dev->dev_id * 2); -+ val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ val = enable ? (val | mask) : (val & ~mask); -+ writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ -+ mask = DEFAULT_Q0_INT_BIT << dev->dev_id; -+ val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ val = enable ? (val | mask) : (val & ~mask); -+ writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ -+ mask = GMAC0_IRQ4_8 << (dev->dev_id * 8); -+ val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); -+ val = enable ? (val | mask) : (val & ~mask); -+ writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); -+ -+ spin_unlock_irqrestore(&toe->irq_lock, flags); -+} -+ -+static void gmac_enable_rx_irq(struct net_device *dev, int enable) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned long flags; -+ unsigned val, mask; -+ -+ spin_lock_irqsave(&toe->irq_lock, flags); -+ mask = DEFAULT_Q0_INT_BIT << dev->dev_id; -+ -+ val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ val = enable ? (val | mask) : (val & ~mask); -+ writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ -+ spin_unlock_irqrestore(&toe->irq_lock, flags); -+} -+ -+static struct sk_buff *gmac_skb_if_good_frame(struct gmac_private *gmac, -+ GMAC_RXDESC_0_T word0, unsigned frame_len) -+{ -+ struct sk_buff *skb = NULL; -+ unsigned rx_status = word0.bits.status; -+ unsigned rx_csum = word0.bits.chksum_status; -+ -+ gmac->rx_stats[rx_status]++; -+ gmac->rx_csum_stats[rx_csum]++; -+ -+ if (word0.bits.derr || word0.bits.perr || -+ rx_status || frame_len < ETH_ZLEN || -+ rx_csum >= RX_CHKSUM_IP_ERR_UNKNOWN) { -+ gmac->stats.rx_errors++; -+ -+ if (frame_len < ETH_ZLEN || RX_ERROR_LENGTH(rx_status)) -+ gmac->stats.rx_length_errors++; -+ if (RX_ERROR_OVER(rx_status)) -+ gmac->stats.rx_over_errors++; -+ if (RX_ERROR_CRC(rx_status)) -+ gmac->stats.rx_crc_errors++; -+ if (RX_ERROR_FRAME(rx_status)) -+ gmac->stats.rx_frame_errors++; -+ -+ return NULL; -+ } -+ -+ skb = napi_get_frags(&gmac->napi); -+ if (!skb) -+ return NULL; -+ -+ if (rx_csum == RX_CHKSUM_IP_UDP_TCP_OK) -+ skb->ip_summed = CHECKSUM_UNNECESSARY; -+ -+ gmac->stats.rx_bytes += frame_len; -+ gmac->stats.rx_packets++; -+ return skb; -+} -+ -+static unsigned gmac_rx(struct net_device *dev, unsigned budget) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ void __iomem *ptr_reg = gmac->rxq_rwptr; -+ -+ static struct sk_buff *skb; -+ -+ DMA_RWPTR_T rw; -+ unsigned short r, w; -+ unsigned short m = (1 << gmac->rxq_order) -1; -+ GMAC_RXDESC_T *rx = NULL; -+ struct page* page = NULL; -+ unsigned page_offs; -+ unsigned int frame_len, frag_len; -+ int frag_nr = 0; -+ -+ GMAC_RXDESC_0_T word0; -+ GMAC_RXDESC_1_T word1; -+ dma_addr_t mapping; -+ GMAC_RXDESC_3_T word3; -+ -+ rw.bits32 = readl(ptr_reg); -+ /* Reset interrupt as all packages until here are taken into account */ -+ writel(DEFAULT_Q0_INT_BIT << dev->dev_id, -+ toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); -+ r = rw.bits.rptr; -+ w = rw.bits.wptr; -+ -+ while (budget && w != r) { -+ rx = gmac->rxq_ring + r; -+ word0 = rx->word0; -+ word1 = rx->word1; -+ mapping = rx->word2.buf_adr; -+ word3 = rx->word3; -+ -+ r++; -+ r &= m; -+ -+ frag_len = word0.bits.buffer_size; -+ frame_len =word1.bits.byte_count; -+ page_offs = mapping & ~PAGE_MASK; -+ -+ if (unlikely(!mapping)) { -+ netdev_err(dev, "rxq[%u]: HW BUG: zero DMA desc\n", r); -+ goto err_drop; -+ } -+ -+ page = pfn_to_page(dma_to_pfn(toe->dev, mapping)); -+ -+ if (word3.bits32 & SOF_BIT) { -+ if (unlikely(skb)) { -+ napi_free_frags(&gmac->napi); -+ gmac->stats.rx_dropped++; -+ } -+ -+ skb = gmac_skb_if_good_frame(gmac, word0, frame_len); -+ if (unlikely(!skb)) -+ goto err_drop; -+ -+ page_offs += NET_IP_ALIGN; -+ frag_len -= NET_IP_ALIGN; -+ frag_nr = 0; -+ -+ } else if (!skb) { -+ put_page(page); -+ continue; -+ } -+ -+ if (word3.bits32 & EOF_BIT) -+ frag_len = frame_len - skb->len; -+ -+ /* append page frag to skb */ -+ if (unlikely(frag_nr == MAX_SKB_FRAGS)) -+ goto err_drop; -+ -+ if (frag_len == 0) -+ netdev_err(dev, "Received fragment with len = 0\n"); -+ -+ skb_fill_page_desc(skb, frag_nr, page, page_offs, frag_len); -+ skb->len += frag_len; -+ skb->data_len += frag_len; -+ skb->truesize += frag_len; -+ frag_nr++; -+ -+ if (word3.bits32 & EOF_BIT) { -+ napi_gro_frags(&gmac->napi); -+ skb = NULL; -+ --budget; -+ } -+ continue; -+ -+err_drop: -+ if (skb) { -+ napi_free_frags(&gmac->napi); -+ skb = NULL; -+ } -+ -+ if (mapping) -+ put_page(page); -+ -+ gmac->stats.rx_dropped++; -+ } -+ -+ writew(r, ptr_reg); -+ return budget; -+} -+ -+static int gmac_napi_poll(struct napi_struct *napi, int budget) -+{ -+ struct gmac_private *gmac = netdev_priv(napi->dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned rx; -+ unsigned freeq_threshold = 1 << (toe->freeq_order - 1); -+ -+ u64_stats_update_begin(&gmac->rx_stats_syncp); -+ -+ rx = budget - gmac_rx(napi->dev, budget); -+ -+ if (rx == 0) { -+ napi_gro_flush(napi, false); -+ __napi_complete(napi); -+ gmac_enable_rx_irq(napi->dev, 1); -+ ++gmac->rx_napi_exits; -+ } -+ -+ gmac->freeq_refill += rx; -+ if (gmac->freeq_refill > freeq_threshold) { -+ gmac->freeq_refill -= freeq_threshold; -+ toe_fill_freeq(toe, 0); -+ } -+ -+ u64_stats_update_end(&gmac->rx_stats_syncp); -+ return budget; -+} -+ -+static void gmac_dump_dma_state(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ void __iomem *ptr_reg; -+ unsigned reg[5]; -+ -+ /* Interrupt status */ -+ reg[0] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); -+ reg[1] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); -+ reg[2] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_2_REG); -+ reg[3] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_3_REG); -+ reg[4] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); -+ netdev_err(dev, "IRQ status: 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", -+ reg[0], reg[1], reg[2], reg[3], reg[4]); -+ -+ /* Interrupt enable */ -+ reg[0] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ reg[1] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ reg[2] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_2_REG); -+ reg[3] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_3_REG); -+ reg[4] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); -+ netdev_err(dev, "IRQ enable: 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", -+ reg[0], reg[1], reg[2], reg[3], reg[4]); -+ -+ /* RX DMA status */ -+ reg[0] = readl(gmac->dma_iomem + GMAC_DMA_RX_FIRST_DESC_REG); -+ reg[1] = readl(gmac->dma_iomem + GMAC_DMA_RX_CURR_DESC_REG); -+ reg[2] = GET_RPTR(gmac->rxq_rwptr); -+ reg[3] = GET_WPTR(gmac->rxq_rwptr); -+ netdev_err(dev, "RX DMA regs: 0x%08x 0x%08x, ptr: %u %u\n", -+ reg[0], reg[1], reg[2], reg[3]); -+ -+ reg[0] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD0_REG); -+ reg[1] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD1_REG); -+ reg[2] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD2_REG); -+ reg[3] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD3_REG); -+ netdev_err(dev, "RX DMA descriptor: 0x%08x 0x%08x 0x%08x 0x%08x\n", -+ reg[0], reg[1], reg[2], reg[3]); -+ -+ /* TX DMA status */ -+ ptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; -+ -+ reg[0] = readl(gmac->dma_iomem + GMAC_DMA_TX_FIRST_DESC_REG); -+ reg[1] = readl(gmac->dma_iomem + GMAC_DMA_TX_CURR_DESC_REG); -+ reg[2] = GET_RPTR(ptr_reg); -+ reg[3] = GET_WPTR(ptr_reg); -+ netdev_err(dev, "TX DMA regs: 0x%08x 0x%08x, ptr: %u %u\n", -+ reg[0], reg[1], reg[2], reg[3]); -+ -+ reg[0] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD0_REG); -+ reg[1] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD1_REG); -+ reg[2] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD2_REG); -+ reg[3] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD3_REG); -+ netdev_err(dev, "TX DMA descriptor: 0x%08x 0x%08x 0x%08x 0x%08x\n", -+ reg[0], reg[1], reg[2], reg[3]); -+ -+ /* FREE queues status */ -+ ptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; -+ -+ reg[0] = GET_RPTR(ptr_reg); -+ reg[1] = GET_WPTR(ptr_reg); -+ -+ ptr_reg = toe->iomem + GLOBAL_HWFQ_RWPTR_REG; -+ -+ reg[2] = GET_RPTR(ptr_reg); -+ reg[3] = GET_WPTR(ptr_reg); -+ netdev_err(dev, "FQ SW ptr: %u %u, HW ptr: %u %u\n", -+ reg[0], reg[1], reg[2], reg[3]); -+} -+ -+static void gmac_update_hw_stats(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned long flags; -+ unsigned int rx_discards, rx_mcast, rx_bcast; -+ -+ spin_lock_irqsave(&toe->irq_lock, flags); -+ u64_stats_update_begin(&gmac->ir_stats_syncp); -+ -+ gmac->hw_stats[0] += rx_discards = readl(gmac->ctl_iomem + GMAC_IN_DISCARDS); -+ gmac->hw_stats[1] += readl(gmac->ctl_iomem + GMAC_IN_ERRORS); -+ gmac->hw_stats[2] += rx_mcast = readl(gmac->ctl_iomem + GMAC_IN_MCAST); -+ gmac->hw_stats[3] += rx_bcast = readl(gmac->ctl_iomem + GMAC_IN_BCAST); -+ gmac->hw_stats[4] += readl(gmac->ctl_iomem + GMAC_IN_MAC1); -+ gmac->hw_stats[5] += readl(gmac->ctl_iomem + GMAC_IN_MAC2); -+ -+ gmac->stats.rx_missed_errors += rx_discards; -+ gmac->stats.multicast += rx_mcast; -+ gmac->stats.multicast += rx_bcast; -+ -+ writel(GMAC0_MIB_INT_BIT << (dev->dev_id * 8), -+ toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); -+ -+ u64_stats_update_end(&gmac->ir_stats_syncp); -+ spin_unlock_irqrestore(&toe->irq_lock, flags); -+} -+ -+static inline unsigned gmac_get_intr_flags(struct net_device *dev, int i) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ void __iomem *irqif_reg, *irqen_reg; -+ unsigned offs, val; -+ -+ offs = i * (GLOBAL_INTERRUPT_STATUS_1_REG - GLOBAL_INTERRUPT_STATUS_0_REG); -+ -+ irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG + offs; -+ irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG + offs; -+ -+ val = readl(irqif_reg) & readl(irqen_reg); -+ return val; -+} -+ -+enum hrtimer_restart gmac_coalesce_delay_expired( struct hrtimer *timer ) -+{ -+ struct gmac_private *gmac = container_of(timer, struct gmac_private, rx_coalesce_timer); -+ -+ napi_schedule(&gmac->napi); -+ return HRTIMER_NORESTART; -+} -+ -+static irqreturn_t gmac_irq(int irq, void *data) -+{ -+ struct net_device *dev = data; -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ unsigned val, orr = 0; -+ -+ orr |= val = gmac_get_intr_flags(dev, 0); -+ -+ if (unlikely(val & (GMAC0_IRQ0_2 << (dev->dev_id * 2)))) { -+ /* oh, crap. */ -+ netdev_err(dev, "hw failure/sw bug\n"); -+ gmac_dump_dma_state(dev); -+ -+ /* don't know how to recover, just reduce losses */ -+ gmac_enable_irq(dev, 0); -+ return IRQ_HANDLED; -+ } -+ -+ if (val & (GMAC0_IRQ0_TXQ0_INTS << (dev->dev_id * 6))) -+ gmac_tx_irq(dev, 0); -+ -+ orr |= val = gmac_get_intr_flags(dev, 1); -+ -+ if (val & (DEFAULT_Q0_INT_BIT << dev->dev_id)) { -+ -+ gmac_enable_rx_irq(dev, 0); -+ -+ if (!gmac->rx_coalesce_nsecs) -+ napi_schedule(&gmac->napi); -+ else { -+ ktime_t ktime; -+ ktime = ktime_set(0, gmac->rx_coalesce_nsecs); -+ hrtimer_start(&gmac->rx_coalesce_timer, ktime, HRTIMER_MODE_REL); -+ } -+ } -+ -+ orr |= val = gmac_get_intr_flags(dev, 4); -+ -+ if (unlikely(val & (GMAC0_MIB_INT_BIT << (dev->dev_id * 8)))) -+ gmac_update_hw_stats(dev); -+ -+ if (unlikely(val & (GMAC0_RX_OVERRUN_INT_BIT << (dev->dev_id * 8)))) { -+ writel(GMAC0_RXDERR_INT_BIT << (dev->dev_id * 8), -+ toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); -+ -+ spin_lock(&toe->irq_lock); -+ u64_stats_update_begin(&gmac->ir_stats_syncp); -+ ++gmac->stats.rx_fifo_errors; -+ u64_stats_update_end(&gmac->ir_stats_syncp); -+ spin_unlock(&toe->irq_lock); -+ } -+ -+ return orr ? IRQ_HANDLED : IRQ_NONE; -+} -+ -+static void gmac_start_dma(struct gmac_private *gmac) -+{ -+ void __iomem *dma_ctrl_reg = gmac->dma_iomem + GMAC_DMA_CTRL_REG; -+ GMAC_DMA_CTRL_T dma_ctrl; -+ -+ dma_ctrl.bits32 = readl(dma_ctrl_reg); -+ 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_insert_bytes = NET_IP_ALIGN; -+ dma_ctrl.bits.rd_prot = HPROT_DATA_CACHE | HPROT_PRIVILIGED; -+ dma_ctrl.bits.rd_burst_size = HBURST_INCR8; -+ dma_ctrl.bits.rd_bus = HSIZE_8; -+ dma_ctrl.bits.td_prot = HPROT_DATA_CACHE; -+ dma_ctrl.bits.td_burst_size = HBURST_INCR8; -+ dma_ctrl.bits.td_bus = HSIZE_8; -+ -+ writel(dma_ctrl.bits32, dma_ctrl_reg); -+} -+ -+static void gmac_stop_dma(struct gmac_private *gmac) -+{ -+ void __iomem *dma_ctrl_reg = gmac->dma_iomem + GMAC_DMA_CTRL_REG; -+ GMAC_DMA_CTRL_T dma_ctrl; -+ -+ dma_ctrl.bits32 = readl(dma_ctrl_reg); -+ dma_ctrl.bits.rd_enable = 0; -+ dma_ctrl.bits.td_enable = 0; -+ writel(dma_ctrl.bits32, dma_ctrl_reg); -+} -+ -+static int gmac_open(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ int err; -+ -+ if (!dev->phydev) { -+ err = gmac_setup_phy(dev); -+ if (err) { -+ netif_err(gmac, ifup, dev, -+ "PHY init failed: %d\n", err); -+ return err; -+ } -+ } -+ -+ err = request_irq(dev->irq, gmac_irq, -+ IRQF_SHARED, dev->name, dev); -+ if (unlikely(err)) -+ return err; -+ -+ netif_carrier_off(dev); -+ phy_start(dev->phydev); -+ -+ err = toe_resize_freeq(gmac->toe, dev->dev_id); -+ if (unlikely(err)) -+ goto err_stop_phy; -+ -+ err = gmac_setup_rxq(dev); -+ if (unlikely(err)) -+ goto err_stop_phy; -+ -+ err = gmac_setup_txqs(dev); -+ if (unlikely(err)) { -+ gmac_cleanup_rxq(dev); -+ goto err_stop_phy; -+ } -+ -+ napi_enable(&gmac->napi); -+ -+ gmac_start_dma(gmac); -+ gmac_enable_irq(dev, 1); -+ gmac_enable_tx_rx(dev); -+ netif_tx_start_all_queues(dev); -+ -+ hrtimer_init(&gmac->rx_coalesce_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); -+ gmac->rx_coalesce_timer.function = &gmac_coalesce_delay_expired; -+ return 0; -+ -+err_stop_phy: -+ phy_stop(dev->phydev); -+ free_irq(dev->irq, dev); -+ return err; -+} -+ -+static int gmac_stop(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ hrtimer_cancel(&gmac->rx_coalesce_timer); -+ netif_tx_stop_all_queues(dev); -+ gmac_disable_tx_rx(dev); -+ gmac_stop_dma(gmac); -+ napi_disable(&gmac->napi); -+ -+ gmac_enable_irq(dev, 0); -+ gmac_cleanup_rxq(dev); -+ gmac_cleanup_txqs(dev); -+ -+ phy_stop(dev->phydev); -+ free_irq(dev->irq, dev); -+ -+ gmac_update_hw_stats(dev); -+ return 0; -+} -+ -+static void gmac_set_rx_mode(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct netdev_hw_addr *ha; -+ __u32 mc_filter[2]; -+ unsigned bit_nr; -+ GMAC_RX_FLTR_T filter = { .bits = { -+ .broadcast = 1, -+ .multicast = 1, -+ .unicast = 1, -+ } }; -+ -+ mc_filter[1] = mc_filter[0] = 0; -+ -+ if (dev->flags & IFF_PROMISC) { -+ filter.bits.error = 1; -+ filter.bits.promiscuous = 1; -+ } else if (!(dev->flags & IFF_ALLMULTI)) { -+ mc_filter[1] = mc_filter[0] = 0; -+ netdev_for_each_mc_addr(ha, dev) { -+ bit_nr = ~crc32_le(~0, ha->addr, ETH_ALEN) & 0x3f; -+ mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 0x1f); -+ } -+ } -+ -+ writel(mc_filter[0], gmac->ctl_iomem + GMAC_MCAST_FIL0); -+ writel(mc_filter[1], gmac->ctl_iomem + GMAC_MCAST_FIL1); -+ writel(filter.bits32, gmac->ctl_iomem + GMAC_RX_FLTR); -+} -+ -+static void __gmac_set_mac_address(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ __le32 addr[3]; -+ -+ memset(addr, 0, sizeof(addr)); -+ memcpy(addr, dev->dev_addr, ETH_ALEN); -+ -+ writel(le32_to_cpu(addr[0]), gmac->ctl_iomem + GMAC_STA_ADD0); -+ writel(le32_to_cpu(addr[1]), gmac->ctl_iomem + GMAC_STA_ADD1); -+ writel(le32_to_cpu(addr[2]), gmac->ctl_iomem + GMAC_STA_ADD2); -+} -+ -+static int gmac_set_mac_address(struct net_device *dev, void *addr) -+{ -+ struct sockaddr *sa = addr; -+ -+ memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN); -+ __gmac_set_mac_address(dev); -+ -+ return 0; -+} -+ -+static void gmac_clear_hw_stats(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ readl(gmac->ctl_iomem + GMAC_IN_DISCARDS); -+ readl(gmac->ctl_iomem + GMAC_IN_ERRORS); -+ readl(gmac->ctl_iomem + GMAC_IN_MCAST); -+ readl(gmac->ctl_iomem + GMAC_IN_BCAST); -+ readl(gmac->ctl_iomem + GMAC_IN_MAC1); -+ readl(gmac->ctl_iomem + GMAC_IN_MAC2); -+} -+ -+static struct rtnl_link_stats64 *gmac_get_stats64(struct net_device *dev, -+ struct rtnl_link_stats64 *storage) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ unsigned int start; -+ -+ gmac_update_hw_stats(dev); -+ -+ /* racing with RX NAPI */ -+ do { -+ start = u64_stats_fetch_begin(&gmac->rx_stats_syncp); -+ -+ storage->rx_packets = gmac->stats.rx_packets; -+ storage->rx_bytes = gmac->stats.rx_bytes; -+ storage->rx_errors = gmac->stats.rx_errors; -+ storage->rx_dropped = gmac->stats.rx_dropped; -+ -+ storage->rx_length_errors = gmac->stats.rx_length_errors; -+ storage->rx_over_errors = gmac->stats.rx_over_errors; -+ storage->rx_crc_errors = gmac->stats.rx_crc_errors; -+ storage->rx_frame_errors = gmac->stats.rx_frame_errors; -+ -+ } while (u64_stats_fetch_retry(&gmac->rx_stats_syncp, start)); -+ -+ /* racing with MIB and TX completion interrupts */ -+ do { -+ start = u64_stats_fetch_begin(&gmac->ir_stats_syncp); -+ -+ storage->tx_errors = gmac->stats.tx_errors; -+ storage->tx_packets = gmac->stats.tx_packets; -+ storage->tx_bytes = gmac->stats.tx_bytes; -+ -+ storage->multicast = gmac->stats.multicast; -+ storage->rx_missed_errors = gmac->stats.rx_missed_errors; -+ storage->rx_fifo_errors = gmac->stats.rx_fifo_errors; -+ -+ } while (u64_stats_fetch_retry(&gmac->ir_stats_syncp, start)); -+ -+ /* racing with hard_start_xmit */ -+ do { -+ start = u64_stats_fetch_begin(&gmac->tx_stats_syncp); -+ -+ storage->tx_dropped = gmac->stats.tx_dropped; -+ -+ } while (u64_stats_fetch_retry(&gmac->tx_stats_syncp, start)); -+ -+ storage->rx_dropped += storage->rx_missed_errors; -+ -+ return storage; -+} -+ -+static int gmac_change_mtu(struct net_device *dev, int new_mtu) -+{ -+ int max_len = gmac_pick_rx_max_len(new_mtu); -+ -+ if (max_len < 0) -+ return -EINVAL; -+ -+ gmac_disable_tx_rx(dev); -+ -+ dev->mtu = new_mtu; -+ gmac_update_config0_reg(dev, -+ max_len << CONFIG0_MAXLEN_SHIFT, -+ CONFIG0_MAXLEN_MASK); -+ -+ netdev_update_features(dev); -+ -+ gmac_enable_tx_rx(dev); -+ -+ return 0; -+} -+ -+static netdev_features_t gmac_fix_features(struct net_device *dev, netdev_features_t features) -+{ -+ if (dev->mtu + ETH_HLEN + VLAN_HLEN > MTU_SIZE_BIT_MASK) -+ features &= ~GMAC_OFFLOAD_FEATURES; -+ -+ return features; -+} -+ -+static int gmac_set_features(struct net_device *dev, netdev_features_t features) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ int enable = features & NETIF_F_RXCSUM; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&gmac->config_lock, flags); -+ -+ reg = readl(gmac->ctl_iomem + GMAC_CONFIG0); -+ reg = enable ? reg | CONFIG0_RX_CHKSUM : reg & ~CONFIG0_RX_CHKSUM; -+ writel(reg, gmac->ctl_iomem + GMAC_CONFIG0); -+ -+ spin_unlock_irqrestore(&gmac->config_lock, flags); -+ return 0; -+} -+ -+static int gmac_get_sset_count(struct net_device *dev, int sset) -+{ -+ return sset == ETH_SS_STATS ? GMAC_STATS_NUM : 0; -+} -+ -+static void gmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) -+{ -+ if (stringset != ETH_SS_STATS) -+ return; -+ -+ memcpy(data, gmac_stats_strings, sizeof(gmac_stats_strings)); -+} -+ -+static void gmac_get_ethtool_stats(struct net_device *dev, -+ struct ethtool_stats *estats, u64 *values) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ unsigned int start; -+ u64 *p; -+ int i; -+ -+ gmac_update_hw_stats(dev); -+ -+ /* racing with MIB interrupt */ -+ do { -+ p = values; -+ start = u64_stats_fetch_begin(&gmac->ir_stats_syncp); -+ -+ for (i = 0; i < RX_STATS_NUM; ++i) -+ *p++ = gmac->hw_stats[i]; -+ -+ } while (u64_stats_fetch_retry(&gmac->ir_stats_syncp, start)); -+ values = p; -+ -+ /* racing with RX NAPI */ -+ do { -+ p = values; -+ start = u64_stats_fetch_begin(&gmac->rx_stats_syncp); -+ -+ for (i = 0; i < RX_STATUS_NUM; ++i) -+ *p++ = gmac->rx_stats[i]; -+ for (i = 0; i < RX_CHKSUM_NUM; ++i) -+ *p++ = gmac->rx_csum_stats[i]; -+ *p++ = gmac->rx_napi_exits; -+ -+ } while (u64_stats_fetch_retry(&gmac->rx_stats_syncp, start)); -+ values = p; -+ -+ /* racing with TX start_xmit */ -+ do { -+ p = values; -+ start = u64_stats_fetch_begin(&gmac->tx_stats_syncp); -+ -+ for (i = 0; i < TX_MAX_FRAGS; ++i) { -+ *values++ = gmac->tx_frag_stats[i]; -+ gmac->tx_frag_stats[i] = 0; -+ } -+ *values++ = gmac->tx_frags_linearized; -+ *values++ = gmac->tx_hw_csummed; -+ -+ } while (u64_stats_fetch_retry(&gmac->tx_stats_syncp, start)); -+} -+ -+static int gmac_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -+{ -+ if (!dev->phydev) -+ return -ENXIO; -+ return phy_ethtool_gset(dev->phydev, cmd); -+} -+ -+static int gmac_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -+{ -+ if (!dev->phydev) -+ return -ENXIO; -+ return phy_ethtool_sset(dev->phydev, cmd); -+} -+ -+static int gmac_nway_reset(struct net_device *dev) -+{ -+ if (!dev->phydev) -+ return -ENXIO; -+ return phy_start_aneg(dev->phydev); -+} -+ -+static void gmac_get_pauseparam(struct net_device *dev, -+ struct ethtool_pauseparam *pparam) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ GMAC_CONFIG0_T config0; -+ -+ config0.bits32 = readl(gmac->ctl_iomem + GMAC_CONFIG0); -+ -+ pparam->rx_pause = config0.bits.rx_fc_en; -+ pparam->tx_pause = config0.bits.tx_fc_en; -+ pparam->autoneg = true; -+} -+ -+static void gmac_get_ringparam(struct net_device *dev, -+ struct ethtool_ringparam *rp) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ GMAC_CONFIG0_T config0; -+ -+ config0.bits32 = readl(gmac->ctl_iomem + GMAC_CONFIG0); -+ -+ rp->rx_max_pending = 1 << 15; -+ rp->rx_mini_max_pending = 0; -+ rp->rx_jumbo_max_pending = 0; -+ rp->tx_max_pending = 1 << 15; -+ -+ rp->rx_pending = 1 << gmac->rxq_order; -+ rp->rx_mini_pending = 0; -+ rp->rx_jumbo_pending = 0; -+ rp->tx_pending = 1 << gmac->txq_order; -+} -+ -+static int toe_resize_freeq(struct toe_private *toe, int changing_dev_id); -+ -+static int gmac_set_ringparam(struct net_device *dev, -+ struct ethtool_ringparam *rp) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = gmac->toe; -+ int err = 0; -+ -+ if (netif_running(dev)) -+ return -EBUSY; -+ -+ if (rp->rx_pending) { -+ gmac->rxq_order = min(15, ilog2(rp->rx_pending - 1) + 1); -+ err = toe_resize_freeq(toe, dev->dev_id); -+ } -+ -+ if (rp->tx_pending) -+ { -+ gmac->txq_order = min(15, ilog2(rp->tx_pending - 1) + 1); -+ gmac->irq_every_tx_packets = 1 << (gmac->txq_order - 2); -+ } -+ -+ return err; -+} -+ -+static int gmac_get_coalesce(struct net_device *dev, -+ struct ethtool_coalesce *ecmd) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ ecmd->rx_max_coalesced_frames = 1; -+ ecmd->tx_max_coalesced_frames = gmac->irq_every_tx_packets; -+ ecmd->rx_coalesce_usecs = gmac->rx_coalesce_nsecs/1000; -+ -+ return 0; -+} -+ -+static int gmac_set_coalesce(struct net_device *dev, -+ struct ethtool_coalesce *ecmd) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ if (ecmd->tx_max_coalesced_frames < 1) -+ return -EINVAL; -+ if (ecmd->tx_max_coalesced_frames >= 1 << gmac->txq_order) -+ return -EINVAL; -+ -+ gmac->irq_every_tx_packets = ecmd->tx_max_coalesced_frames; -+ gmac->rx_coalesce_nsecs = ecmd->rx_coalesce_usecs * 1000; -+ -+ return 0; -+} -+ -+static u32 gmac_get_msglevel(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ return gmac->msg_enable; -+} -+ -+static void gmac_set_msglevel(struct net_device *dev, u32 level) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ gmac->msg_enable = level; -+} -+ -+static void gmac_get_drvinfo(struct net_device *dev, -+ struct ethtool_drvinfo *info) -+{ -+ strcpy(info->driver, DRV_NAME); -+ strcpy(info->version, DRV_VERSION); -+ strcpy(info->bus_info, dev->dev_id ? "1" : "0"); -+} -+ -+static const struct net_device_ops gmac_351x_ops = { -+ .ndo_init = gmac_init, -+ .ndo_uninit = gmac_uninit, -+ .ndo_open = gmac_open, -+ .ndo_stop = gmac_stop, -+ .ndo_start_xmit = gmac_start_xmit, -+ .ndo_tx_timeout = gmac_tx_timeout, -+ .ndo_set_rx_mode = gmac_set_rx_mode, -+ .ndo_set_mac_address = gmac_set_mac_address, -+ .ndo_get_stats64 = gmac_get_stats64, -+ .ndo_change_mtu = gmac_change_mtu, -+ .ndo_fix_features = gmac_fix_features, -+ .ndo_set_features = gmac_set_features, -+}; -+ -+static const struct ethtool_ops gmac_351x_ethtool_ops = { -+ .get_sset_count = gmac_get_sset_count, -+ .get_strings = gmac_get_strings, -+ .get_ethtool_stats = gmac_get_ethtool_stats, -+ .get_settings = gmac_get_settings, -+ .set_settings = gmac_set_settings, -+ .get_link = ethtool_op_get_link, -+ .nway_reset = gmac_nway_reset, -+ .get_pauseparam = gmac_get_pauseparam, -+ .get_ringparam = gmac_get_ringparam, -+ .set_ringparam = gmac_set_ringparam, -+ .get_coalesce = gmac_get_coalesce, -+ .set_coalesce = gmac_set_coalesce, -+ .get_msglevel = gmac_get_msglevel, -+ .set_msglevel = gmac_set_msglevel, -+ .get_drvinfo = gmac_get_drvinfo, -+}; -+ -+static int gmac_init_netdev(struct toe_private *toe, int num, -+ struct platform_device *pdev) -+{ -+ struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; -+ struct gmac_private *gmac; -+ struct net_device *dev; -+ int irq, err; -+ -+ if (!pdata->bus_id[num]) -+ return 0; -+ -+ irq = platform_get_irq(pdev, num); -+ if (irq < 0) { -+ dev_err(toe->dev, "No IRQ for ethernet device #%d\n", num); -+ return irq; -+ } -+ -+ dev = alloc_etherdev_mq(sizeof(*gmac), TX_QUEUE_NUM); -+ if (!dev) { -+ dev_err(toe->dev, "Can't allocate ethernet device #%d\n", num); -+ return -ENOMEM; -+ } -+ -+ gmac = netdev_priv(dev); -+ gmac->num = num; -+ gmac->toe = toe; -+ SET_NETDEV_DEV(dev, toe->dev); -+ -+ toe->netdev[num] = dev; -+ dev->dev_id = num; -+ -+ gmac->ctl_iomem = toe->iomem + TOE_GMAC_BASE(num); -+ gmac->dma_iomem = toe->iomem + TOE_GMAC_DMA_BASE(num); -+ dev->irq = irq; -+ -+ dev->netdev_ops = &gmac_351x_ops; -+ dev->ethtool_ops = &gmac_351x_ethtool_ops; -+ -+ spin_lock_init(&gmac->config_lock); -+ gmac_clear_hw_stats(dev); -+ -+ dev->hw_features = GMAC_OFFLOAD_FEATURES; -+ dev->features |= GMAC_OFFLOAD_FEATURES | NETIF_F_GRO; -+ -+ gmac->freeq_refill = 0; -+ netif_napi_add(dev, &gmac->napi, gmac_napi_poll, DEFAULT_NAPI_WEIGHT); -+ -+ if (is_valid_ether_addr((void *)toe->mac_addr[num])) -+ memcpy(dev->dev_addr, toe->mac_addr[num], ETH_ALEN); -+ else -+ random_ether_addr(dev->dev_addr); -+ __gmac_set_mac_address(dev); -+ -+ err = gmac_setup_phy(dev); -+ if (err) -+ netif_warn(gmac, probe, dev, -+ "PHY init failed: %d, deferring to ifup time\n", err); -+ -+ err = register_netdev(dev); -+ if (!err) -+ { -+ pr_info(DRV_NAME " %s: irq %d, dma base 0x%p, io base 0x%p\n", -+ dev->name, irq, gmac->dma_iomem, gmac->ctl_iomem); -+ return 0; -+ } -+ -+ toe->netdev[num] = NULL; -+ free_netdev(dev); -+ return err; -+} -+ -+static irqreturn_t toe_irq_thread(int irq, void *data) -+{ -+ struct toe_private *toe = data; -+ void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; -+ void __iomem *irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG; -+ unsigned long irqmask = SWFQ_EMPTY_INT_BIT; -+ unsigned long flags; -+ -+ toe_fill_freeq(toe, 0); -+ -+ /* Ack and enable interrupt */ -+ spin_lock_irqsave(&toe->irq_lock, flags); -+ writel(irqmask, irqif_reg); -+ irqmask |= readl(irqen_reg); -+ writel(irqmask, irqen_reg); -+ spin_unlock_irqrestore(&toe->irq_lock, flags); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t toe_irq(int irq, void *data) -+{ -+ struct toe_private *toe = data; -+ void __iomem *irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG; -+ void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; -+ unsigned long val, en; -+ irqreturn_t ret = IRQ_NONE; -+ -+ spin_lock(&toe->irq_lock); -+ -+ val = readl(irqif_reg); -+ en = readl(irqen_reg); -+ -+ if (val & en & SWFQ_EMPTY_INT_BIT) { -+ en &= ~(SWFQ_EMPTY_INT_BIT | GMAC0_RX_OVERRUN_INT_BIT -+ | GMAC1_RX_OVERRUN_INT_BIT); -+ writel(en, irqen_reg); -+ ret = IRQ_WAKE_THREAD; -+ } -+ -+ spin_unlock(&toe->irq_lock); -+ return ret; -+} -+ -+static int toe_init(struct toe_private *toe, -+ struct platform_device *pdev) -+{ -+ int err; -+ -+ writel(0, toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG); -+ writel(0, toe->iomem + GLOBAL_HW_FREEQ_BASE_SIZE_REG); -+ writel(0, toe->iomem + GLOBAL_SWFQ_RWPTR_REG); -+ writel(0, toe->iomem + GLOBAL_HWFQ_RWPTR_REG); -+ -+ toe->freeq_frag_order = DEFAULT_RX_BUF_ORDER; -+ toe->freeq_order = ~0; -+ -+ err = request_threaded_irq(toe->irq, toe_irq, -+ toe_irq_thread, IRQF_SHARED, DRV_NAME " toe", toe); -+ if (err) -+ goto err_freeq; -+ -+ return 0; -+ -+err_freeq: -+ toe_cleanup_freeq(toe); -+ return err; -+} -+ -+static void toe_deinit(struct toe_private *toe) -+{ -+ free_irq(toe->irq, toe); -+ toe_cleanup_freeq(toe); -+} -+ -+static int toe_reset(struct toe_private *toe) -+{ -+ unsigned int reg = 0, retry = 5; -+ -+ reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + -+ GLOBAL_RESET)); -+ reg |= RESET_GMAC1 | RESET_GMAC0; -+ writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + -+ GLOBAL_RESET)); -+ -+ do { -+ udelay(2); -+ reg = readl((void __iomem*)(toe->iomem + -+ GLOBAL_TOE_VERSION_REG)); -+ barrier(); -+ } while (!reg && --retry); -+ -+ return reg ? 0 : -EIO; -+} -+ -+/* -+ * Interrupt config: -+ * -+ * GMAC0 intr bits ------> int0 ----> eth0 -+ * GMAC1 intr bits ------> int1 ----> eth1 -+ * TOE intr -------------> int1 ----> eth1 -+ * Classification Intr --> int0 ----> eth0 -+ * Default Q0 -----------> int0 ----> eth0 -+ * Default Q1 -----------> int1 ----> eth1 -+ * FreeQ intr -----------> int1 ----> eth1 -+ */ -+static void toe_init_irq(struct toe_private *toe) -+{ -+ writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_2_REG); -+ writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_3_REG); -+ writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); -+ -+ writel(0xCCFC0FC0, toe->iomem + GLOBAL_INTERRUPT_SELECT_0_REG); -+ writel(0x00F00002, toe->iomem + GLOBAL_INTERRUPT_SELECT_1_REG); -+ writel(0xFFFFFFFF, toe->iomem + GLOBAL_INTERRUPT_SELECT_2_REG); -+ writel(0xFFFFFFFF, toe->iomem + GLOBAL_INTERRUPT_SELECT_3_REG); -+ writel(0xFF000003, toe->iomem + GLOBAL_INTERRUPT_SELECT_4_REG); -+ -+ /* edge-triggered interrupts packed to level-triggered one... */ -+ writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); -+ writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); -+ writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_2_REG); -+ writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_3_REG); -+ writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); -+} -+ -+static void toe_save_mac_addr(struct toe_private *toe, -+ struct platform_device *pdev) -+{ -+ struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; -+ void __iomem *ctl; -+ int i; -+ -+ for (i = 0; i < 2; i++) { -+ if (pdata->bus_id[i]) { -+ ctl = toe->iomem + TOE_GMAC_BASE(i); -+ toe->mac_addr[i][0] = cpu_to_le32(readl(ctl + GMAC_STA_ADD0)); -+ toe->mac_addr[i][1] = cpu_to_le32(readl(ctl + GMAC_STA_ADD1)); -+ toe->mac_addr[i][2] = cpu_to_le32(readl(ctl + GMAC_STA_ADD2)); -+ } -+ } -+} -+ -+static int gemini_gmac_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct toe_private *toe; -+ int irq, retval; -+ -+ if (!pdev->dev.platform_data) -+ return -EINVAL; -+ -+ irq = platform_get_irq(pdev, 1); -+ if (irq < 0) -+ return irq; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "can't get device resources\n"); -+ return -ENODEV; -+ } -+ -+ toe = kzalloc(sizeof(*toe), GFP_KERNEL); -+ if (!toe) -+ return -ENOMEM; -+ -+ platform_set_drvdata(pdev, toe); -+ toe->dev = &pdev->dev; -+ toe->irq = irq; -+ -+ toe->iomem = ioremap(res->start, resource_size(res)); -+ if (!toe->iomem) { -+ dev_err(toe->dev, "ioremap failed\n"); -+ retval = -EIO; -+ goto err_data; -+ } -+ -+ toe_save_mac_addr(toe, pdev); -+ -+ retval = toe_reset(toe); -+ if (retval < 0) -+ goto err_unmap; -+ -+ pr_info(DRV_NAME " toe: irq %d, io base 0x%08x, version %d\n", -+ irq, res->start, retval); -+ -+ spin_lock_init(&toe->irq_lock); -+ spin_lock_init(&toe->freeq_lock); -+ -+ toe_init_irq(toe); -+ -+ retval = toe_init(toe, pdev); -+ if (retval) -+ goto err_unmap; -+ -+ retval = gmac_init_netdev(toe, 0, pdev); -+ if (retval) -+ goto err_uninit; -+ -+ retval = gmac_init_netdev(toe, 1, pdev); -+ if (retval) -+ goto err_uninit; -+ -+ return 0; -+ -+err_uninit: -+ if (toe->netdev[0]) -+ unregister_netdev(toe->netdev[0]); -+ toe_deinit(toe); -+err_unmap: -+ iounmap(toe->iomem); -+err_data: -+ kfree(toe); -+ return retval; -+} -+ -+static int gemini_gmac_remove(struct platform_device *pdev) -+{ -+ struct toe_private *toe = platform_get_drvdata(pdev); -+ int i; -+ -+ for (i = 0; i < 2; i++) -+ if (toe->netdev[i]) -+ unregister_netdev(toe->netdev[i]); -+ -+ toe_init_irq(toe); -+ toe_deinit(toe); -+ -+ iounmap(toe->iomem); -+ kfree(toe); -+ -+ return 0; -+} -+ -+static struct platform_driver gemini_gmac_driver = { -+ .probe = gemini_gmac_probe, -+ .remove = gemini_gmac_remove, -+ .driver.name = DRV_NAME, -+ .driver.owner = THIS_MODULE, -+}; -+ -+static int __init gemini_gmac_init(void) -+{ -+#ifdef CONFIG_MDIO_GPIO_MODULE -+ request_module("mdio-gpio"); -+#endif -+ return platform_driver_register(&gemini_gmac_driver); -+} -+ -+static void __exit gemini_gmac_exit(void) -+{ -+ platform_driver_unregister(&gemini_gmac_driver); -+} -+ -+module_init(gemini_gmac_init); -+module_exit(gemini_gmac_exit); ---- /dev/null -+++ b/drivers/net/ethernet/gemini/sl351x_hw.h -@@ -0,0 +1,1436 @@ -+/* -+ * Register definitions for Gemini LEPUS GMAC Ethernet device driver. -+ * -+ * Copyright (C) 2006, Storlink, Corp. -+ * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> -+ * Copyright (C) 2010, Michał Mirosław <mirq-linux@rere.qmqm.pl> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+#ifndef _GMAC_HW_H -+#define _GMAC_HW_H -+ -+#include <linux/bitops.h> -+ -+/* -+ * Base Registers -+ */ -+#define TOE_NONTOE_QUE_HDR_BASE 0x2000 -+#define TOE_TOE_QUE_HDR_BASE 0x3000 -+#define TOE_V_BIT_BASE 0x4000 -+#define TOE_A_BIT_BASE 0x6000 -+#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x)) -+#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x)) -+ -+/* -+ * 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 */ -+ -+/* -+ * old info: -+ * TOE DMA Queue Size 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 -+ * The base address and descriptor number are configured at -+ * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004) -+ */ -+ -+#define GET_WPTR(addr) __raw_readw((addr) + 2) -+#define GET_RPTR(addr) __raw_readw((addr)) -+#define SET_WPTR(addr, data) __raw_writew((data), (addr) + 2) -+#define SET_RPTR(addr, data) __raw_writew((data), (addr)) -+#define __RWPTR_NEXT(x, mask) (((unsigned int)(x) + 1) & (mask)) -+#define __RWPTR_PREV(x, mask) (((unsigned int)(x) - 1) & (mask)) -+#define __RWPTR_DISTANCE(r, w, mask) (((unsigned int)(w) - (r)) & (mask)) -+#define __RWPTR_MASK(order) ((1 << (order)) - 1) -+#define RWPTR_NEXT(x, order) __RWPTR_NEXT((x), __RWPTR_MASK((order))) -+#define RWPTR_PREV(x, order) __RWPTR_PREV((x), __RWPTR_MASK((order))) -+#define RWPTR_DISTANCE(r, w, order) __RWPTR_DISTANCE((r), (w), \ -+ __RWPTR_MASK((order))) -+ -+/* -+ * 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_SW_TX_QUEUE_PTR_REG(i) (GMAC_SW_TX_QUEUE0_PTR_REG + 4 * (i)) -+#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_HW_TX_QUEUE_PTR_REG(i) (GMAC_HW_TX_QUEUE0_PTR_REG + 4 * (i)) -+#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 -+/* matching rule 0 Control register 0 */ -+#define GMAC_MR0CR0 0x0078 -+#define GMAC_MR0CR1 0x007C -+#define GMAC_MR0CR2 0x0080 -+#define GMAC_MR1CR0 0x0084 -+#define GMAC_MR1CR1 0x0088 -+#define GMAC_MR1CR2 0x008C -+#define GMAC_MR2CR0 0x0090 -+#define GMAC_MR2CR1 0x0094 -+#define GMAC_MR2CR2 0x0098 -+#define GMAC_MR3CR0 0x009C -+#define GMAC_MR3CR1 0x00A0 -+#define GMAC_MR3CR2 0x00A4 -+/* Support Protocol Regsister 0 */ -+#define GMAC_SPR0 0x00A8 -+#define GMAC_SPR1 0x00AC -+#define GMAC_SPR2 0x00B0 -+#define GMAC_SPR3 0x00B4 -+#define GMAC_SPR4 0x00B8 -+#define GMAC_SPR5 0x00BC -+#define GMAC_SPR6 0x00C0 -+#define GMAC_SPR7 0x00C4 -+/* GMAC Hash/Rx/Tx AHB Weighting register */ -+#define GMAC_AHB_WEIGHT_REG 0x00C8 -+ -+/* -+ * 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 */ -+}; -+ -+#define RX_STATS_NUM 6 -+ -+/* -+ * 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 { -+ unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */ -+ unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */ -+ } bits; -+} DMA_SKB_SIZE_T; -+ -+/* -+ * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_000c { -+ unsigned int rptr : 16; /* Read Ptr, RO */ -+ unsigned int wptr : 16; /* Write Ptr, RW */ -+ } 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 { -+ /* GMAC0 SW Tx Queue 0 EOF Interrupt */ -+ unsigned int swtq00_eof : 1; -+ unsigned int swtq01_eof : 1; -+ unsigned int swtq02_eof : 1; -+ unsigned int swtq03_eof : 1; -+ unsigned int swtq04_eof : 1; -+ unsigned int swtq05_eof : 1; -+ /* GMAC1 SW Tx Queue 0 EOF Interrupt */ -+ unsigned int swtq10_eof : 1; -+ unsigned int swtq11_eof : 1; -+ unsigned int swtq12_eof : 1; -+ unsigned int swtq13_eof : 1; -+ unsigned int swtq14_eof : 1; -+ unsigned int swtq15_eof : 1; -+ /* GMAC0 SW Tx Queue 0 Finish Interrupt */ -+ unsigned int swtq00_fin : 1; -+ unsigned int swtq01_fin : 1; -+ unsigned int swtq02_fin : 1; -+ unsigned int swtq03_fin : 1; -+ unsigned int swtq04_fin : 1; -+ unsigned int swtq05_fin : 1; -+ /* GMAC1 SW Tx Queue 0 Finish Interrupt */ -+ unsigned int swtq10_fin : 1; -+ unsigned int swtq11_fin : 1; -+ unsigned int swtq12_fin : 1; -+ unsigned int swtq13_fin : 1; -+ unsigned int swtq14_fin : 1; -+ unsigned int swtq15_fin : 1; -+ /* GMAC0 Rx Descriptor Protocol Error */ -+ unsigned int rxPerr0 : 1; -+ /* GMAC0 AHB Bus Error while Rx */ -+ unsigned int rxDerr0 : 1; -+ /* GMAC1 Rx Descriptor Protocol Error */ -+ unsigned int rxPerr1 : 1; -+ /* GMAC1 AHB Bus Error while Rx */ -+ unsigned int rxDerr1 : 1; -+ /* GMAC0 Tx Descriptor Protocol Error */ -+ unsigned int txPerr0 : 1; -+ /* GMAC0 AHB Bus Error while Tx */ -+ unsigned int txDerr0 : 1; -+ /* GMAC1 Tx Descriptor Protocol Error */ -+ unsigned int txPerr1 : 1; -+ /* GMAC1 AHB Bus Error while Tx */ -+ unsigned int txDerr1 : 1; -+ } 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 { -+ unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */ -+ unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */ -+ unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */ -+ unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */ -+ unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */ -+ unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */ -+ unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */ -+ unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */ -+ unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */ -+ unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */ -+ unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */ -+ unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */ -+ unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */ -+ unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */ -+ unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */ -+ unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */ -+ unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */ -+ unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */ -+ unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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; /* */ -+ } __packed bits; -+} __packed GMAC_INTR_T; -+ -+typedef union { -+ unsigned int bits32; -+ struct bit_0060_2 { -+ 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) -+ -+#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) -+ -+#define CLASS_RX_FULL_INT_BITS 0xfffc -+ -+/* -+ * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0070_2 { -+ 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ unsigned int reserved : 4; -+ unsigned int td_curr_desc_ptr : 28; /* bit 31:4 current descriptor address */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 Bypass HW offload engine */ -+ unsigned int ip_fixed_len : 1; /* bit 22 Don't update IP length field */ -+ unsigned int reserved : 9; /* bit 31:23 Tx Flag, Reserved */ -+ } bits; -+} GMAC_TXDESC_1_T; -+ -+#define TSS_IP_FIXED_LEN_BIT BIT(22) -+#define TSS_BYPASS_BIT BIT(21) -+#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) -+ -+#define TSS_CHECKUM_ENABLE \ -+ (TSS_IP_CHKSUM_BIT|TSS_IPV6_ENABLE_BIT| \ -+ TSS_TCP_CHKSUM_BIT|TSS_UDP_CHKSUM_BIT) -+ -+/* -+ * 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 { -+ unsigned int mtu_size : 13; /* bit 12: 0 Tx Frame Byte Count */ -+ unsigned int reserved : 16; /* bit 28:13 */ -+ 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 */ -+ } 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 0x1fff -+ -+/* -+ * 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 { -+ 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 */ -+ } 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 { -+ unsigned int reserved : 4; /* bit 3:0 */ -+ unsigned int rd_curr_des_ptr : 28; /* bit 31:4 current descriptor address */ -+ } 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 { -+ 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 */ -+ } 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 -+ -+#define RX_ERROR_LENGTH(s) \ -+ ((s) == RX_STATUS_TOO_LONG_GOOD_CRC || \ -+ (s) == RX_STATUS_TOO_LONG_BAD_CRC || \ -+ (s) == RX_STATUS_TOO_LONG_BAD_ALIGN) -+#define RX_ERROR_OVER(s) \ -+ ((s) == RX_STATUS_BUFFER_FULL) -+#define RX_ERROR_CRC(s) \ -+ ((s) == RX_STATUS_CRC_ERROR || \ -+ (s) == RX_STATUS_TOO_LONG_BAD_CRC) -+#define RX_ERROR_FRAME(s) \ -+ ((s) == RX_STATUS_ALIGNMENT_ERROR || \ -+ (s) == RX_STATUS_TOO_LONG_BAD_ALIGN) -+#define RX_ERROR_FIFO(s) \ -+ (0) -+ -+/* -+ * GMAC DMA Rx Description Word 1 Register -+ * GMAC0 offset 0x8064 -+ * GMAC1 offset 0xC064 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct rxdesc_word1 { -+ unsigned int byte_count : 16; /* bit 15: 0 Rx Frame Byte Count */ -+ unsigned int sw_id : 16; /* bit 31:16 Software ID */ -+ } 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 -+ -+/* -+ * GMAC DMA Rx Description Word 3 Register -+ * GMAC0 offset 0x806C -+ * GMAC1 offset 0xC06C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct rxdesc_word3 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } 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 { -+ 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 */ -+ } bits; -+} GMAC_MRxCR1_T; -+ -+/* -+ * GMAC Matching Rule Control Register 2 -+ * GMAC0 offset 0x8080 -+ * GMAC1 offset 0xC080 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8080 { -+ unsigned int l7_byte0_23 : 24; /* bit 23:0 */ -+ unsigned int l4_byte16_24 : 8; /* bit 31: 24 */ -+ } bits; -+} GMAC_MRxCR2_T; -+ -+/* -+ * GMAC Support registers -+ * GMAC0 offset 0x80A8 -+ * GMAC1 offset 0xC0A8 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_80A8 { -+ unsigned int protocol : 8; /* bit 7:0 Supported protocol */ -+ unsigned int swap : 3; /* bit 10:8 Swap */ -+ unsigned int reserved : 21; /* bit 31:11 */ -+ } bits; -+} GMAC_SPR_T; -+ -+/* -+ * GMAC_AHB_WEIGHT registers -+ * GMAC0 offset 0x80C8 -+ * GMAC1 offset 0xC0C8 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_80C8 { -+ 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 */ -+ } 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 { -+ 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; -+ } bits; -+} GMAC_RX_FLTR_T; -+ -+/* -+ * GMAC Configuration 0 -+ * GMAC0 Offset 0xA018 -+ * GMAC1 Offset 0xE018 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_0018 { -+ 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 */ -+ } bits; -+} GMAC_CONFIG0_T; -+ -+#define CONFIG0_TX_RX_DISABLE (BIT(1)|BIT(0)) -+#define CONFIG0_RX_CHKSUM (BIT(18)|BIT(17)) -+#define CONFIG0_FLOW_RX (BIT(14)) -+#define CONFIG0_FLOW_TX (BIT(15)) -+#define CONFIG0_FLOW_TX_RX (BIT(14)|BIT(15)) -+#define CONFIG0_FLOW_CTL (BIT(14)|BIT(15)) -+ -+#define CONFIG0_MAXLEN_SHIFT 8 -+#define CONFIG0_MAXLEN_MASK (7 << CONFIG0_MAXLEN_SHIFT) -+#define CONFIG0_MAXLEN_1536 0 -+#define CONFIG0_MAXLEN_1518 1 -+#define CONFIG0_MAXLEN_1522 2 -+#define CONFIG0_MAXLEN_1542 3 -+#define CONFIG0_MAXLEN_9k 4 /* 9212 */ -+#define CONFIG0_MAXLEN_10k 5 /* 10236 */ -+#define CONFIG0_MAXLEN_1518__6 6 -+#define CONFIG0_MAXLEN_1518__7 7 -+ -+/* -+ * GMAC Configuration 1 -+ * GMAC0 Offset 0xA01C -+ * GMAC1 Offset 0xE01C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_001c { -+ unsigned int set_threshold : 8; /* flow control set threshold */ -+ unsigned int rel_threshold : 8; /* flow control release threshold */ -+ unsigned int reserved : 16; -+ } 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 { -+ unsigned int set_threshold : 16; /* flow control set threshold */ -+ unsigned int rel_threshold : 16; /* flow control release threshold */ -+ } bits; -+} GMAC_CONFIG2_T; -+ -+/* -+ * GMAC Configuration 3 -+ * GMAC0 Offset 0xA024 -+ * GMAC1 Offset 0xE024 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_0024 { -+ unsigned int set_threshold : 16; /* flow control set threshold */ -+ unsigned int rel_threshold : 16; /* flow control release threshold */ -+ } bits; -+} GMAC_CONFIG3_T; -+ -+ -+/* -+ * GMAC STATUS -+ * GMAC0 Offset 0xA02C -+ * GMAC1 Offset 0xE02C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_002c { -+ 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; -+ } 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_10 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_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x)) -+#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 { -+ unsigned int rptr : 16; /* bit 15:0 */ -+ unsigned int wptr : 16; /* bit 31:16 */ -+ } bits; -+} TOE_QHDR1_T; -+ -+/* -+ * TOE Queue Header Word 2 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr2 { -+ 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 */ -+ } 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 { -+ unsigned int AckCnt : 16; /* bit 15:0 */ -+ unsigned int SeqCnt : 16; /* bit 31:16 */ -+ } bits; -+} TOE_QHDR5_T; -+ -+/* -+ * TOE Queue Header Word 6 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr6 { -+ unsigned int WinSize : 16; /* bit 15:0 */ -+ unsigned int iq_num : 2; /* bit 17:16 */ -+ unsigned int MaxPktSize : 14; /* bit 31:18 */ -+ } bits; -+} TOE_QHDR6_T; -+ -+/* -+ * TOE Queue Header Word 7 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr7 { -+ unsigned int AckThreshold : 16; /* bit 15:0 */ -+ unsigned int SeqThreshold : 16; /* bit 31:16 */ -+ } 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 { -+ unsigned int rptr : 16; /* bit 15:0 */ -+ unsigned int wptr : 16; /* bit 31:16 */ -+ } 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 { -+ unsigned int win_size : 16; /* bit 15:0 Descriptor Ring Size */ -+ unsigned int wptr : 16; /* bit 31:16 Write Pointer where hw stopped */ -+ } bits; -+} INTR_QHDR0_T; -+ -+/* -+ * Interrupt Queue Header Word 1 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_intrqhdr1 { -+ 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) */ -+ } 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 { -+ 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. */ -+ } 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; -+ -+#endif /* _GMAC_SL351x_H */ |