diff options
Diffstat (limited to 'target/linux/ubicom32/files/drivers/net/ubi32-eth.h')
| -rw-r--r-- | target/linux/ubicom32/files/drivers/net/ubi32-eth.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/ubicom32/files/drivers/net/ubi32-eth.h b/target/linux/ubicom32/files/drivers/net/ubi32-eth.h deleted file mode 100644 index c25500143a..0000000000 --- a/target/linux/ubicom32/files/drivers/net/ubi32-eth.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * drivers/net/ubi32-eth.h - * Ubicom32 ethernet TIO interface driver definitions. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#ifndef _UBI32_ETH_H -#define _UBI32_ETH_H - -#include <asm/devtree.h> - -#define UBI32_ETH_NUM_OF_DEVICES 2 - -/* - * Number of bytes trashed beyond the packet data. - */ -#define UBI32_ETH_TRASHED_MEMORY (CACHE_LINE_SIZE + ETH_HLEN - 1) - -/* - * Linux already reserves NET_SKB_PAD bytes of headroom in each sk_buff. - * We want to be able to reserve at least one cache line to align Ethernet - * and IP header to cache line. - * Note that the TIO expects a CACHE_LINE_SIZE - ETH_HLEN aligned Ethernet - * header, while satisfies NET_IP_ALIGN (= 2) automatically. - * (NET_SKB_PAD is 16, NET_IP_ALIGN is 2, CACHE_LINE_SIZE is 32). - * You can add more space by making UBI32_ETH_RESERVE_EXTRA != 0. - */ -#define UBI32_ETH_RESERVE_EXTRA (1 * CACHE_LINE_SIZE) -#define UBI32_ETH_RESERVE_SPACE (UBI32_ETH_RESERVE_EXTRA + CACHE_LINE_SIZE) - -struct ubi32_eth_dma_desc { - volatile void *data_pointer; /* pointer to the buffer */ - volatile u16 buffer_len; /* the buffer size */ - volatile u16 data_len; /* actual frame length */ - volatile u32 status; /* bit0: status to be update by VP; bit[31:1] time stamp */ -}; - -#define TX_DMA_RING_SIZE (1<<8) -#define TX_DMA_RING_MASK (TX_DMA_RING_SIZE - 1) -#define RX_DMA_RING_SIZE (1<<8) -#define RX_DMA_RING_MASK (RX_DMA_RING_SIZE - 1) - -#define RX_DMA_MAX_QUEUE_SIZE (RX_DMA_RING_SIZE - 1) /* no more than (RX_DMA_RING_SIZE - 1) */ -#define RX_MAX_PKT_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN) -#define RX_MIN_PKT_SIZE ETH_ZLEN -#define RX_BUF_SIZE (RX_MAX_PKT_SIZE + VLAN_HLEN) /* allow double VLAN tag */ - -#define UBI32_ETH_VP_TX_TIMEOUT (10*HZ) - -struct ubi32_eth_vp_stats { - u32 rx_alloc_err; - u32 tx_q_full_cnt; - u32 rx_q_full_cnt; - u32 rx_throttle; -}; - -struct ubi32_eth_private { - struct net_device *dev; - struct ubi32_eth_vp_stats vp_stats; - spinlock_t lock; -#ifdef UBICOM32_USE_NAPI - struct napi_struct napi; -#else - struct tasklet_struct tsk; -#endif - struct ethtionode *regs; - u16 rx_tail; - u16 tx_tail; - u32 vp_int_bit; -}; - -struct ethtionode { - struct devtree_node dn; - volatile u16 command; - volatile u16 status; - volatile u16 int_mask; /* interrupt mask */ - volatile u16 int_status; /* interrupt mask */ - volatile u16 tx_in; /* owned by driver */ - volatile u16 tx_out; /* owned by vp */ - volatile u16 rx_in; /* owned by driver */ - volatile u16 rx_out; /* owned by vp */ - u16 tx_sz; /* owned by driver */ - u16 rx_sz; /* owned by driver */ - struct ubi32_eth_dma_desc **tx_dma_ring; - struct ubi32_eth_dma_desc **rx_dma_ring; -}; - -#define UBI32_ETH_VP_STATUS_LINK (1<<0) -#define UBI32_ETH_VP_STATUS_SPEED100 (0x1<<1) -#define UBI32_ETH_VP_STATUS_SPEED1000 (0x1<<2) -#define UBI32_ETH_VP_STATUS_DUPLEX (0x1<<3) -#define UBI32_ETH_VP_STATUS_FLOW_CTRL (0x1<<4) - -#define UBI32_ETH_VP_STATUS_RX_STATE (0x1<<5) -#define UBI32_ETH_VP_STATUS_TX_STATE (0x1<<6) - -#define UBI32_ETH_VP_STATUS_TX_Q_FULL (1<<8) - -#define UBI32_ETH_VP_INT_RX (1<<0) -#define UBI32_ETH_VP_INT_TX (1<<1) - -#define UBI32_ETH_VP_CMD_RX_ENABLE (1<<0) -#define UBI32_ETH_VP_CMD_TX_ENABLE (1<<1) - -#define UBI32_ETH_VP_RX_OK (1<<0) -#define UBI32_ETH_VP_TX_OK (1<<1) - -#define UBI32_TX_BOUND TX_DMA_RING_SIZE -#define UBI32_RX_BOUND 64 -#define UBI32_ETH_NAPI_WEIGHT 64 /* for GigE */ -#endif |