mirror of https://gitee.com/openkylin/linux.git
688 lines
30 KiB
C
688 lines
30 KiB
C
#ifndef __MV643XX_ETH_H__
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#define __MV643XX_ETH_H__
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/spinlock.h>
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#include <linux/workqueue.h>
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#include <linux/mii.h>
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#include <linux/mv643xx_eth.h>
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#include <asm/dma-mapping.h>
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/* Checksum offload for Tx works for most packets, but
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* fails if previous packet sent did not use hw csum
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*/
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#define MV643XX_CHECKSUM_OFFLOAD_TX
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#define MV643XX_NAPI
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#define MV643XX_TX_FAST_REFILL
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#undef MV643XX_COAL
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/*
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* Number of RX / TX descriptors on RX / TX rings.
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* Note that allocating RX descriptors is done by allocating the RX
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* ring AND a preallocated RX buffers (skb's) for each descriptor.
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* The TX descriptors only allocates the TX descriptors ring,
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* with no pre allocated TX buffers (skb's are allocated by higher layers.
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*/
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/* Default TX ring size is 1000 descriptors */
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#define MV643XX_DEFAULT_TX_QUEUE_SIZE 1000
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/* Default RX ring size is 400 descriptors */
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#define MV643XX_DEFAULT_RX_QUEUE_SIZE 400
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#define MV643XX_TX_COAL 100
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#ifdef MV643XX_COAL
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#define MV643XX_RX_COAL 100
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#endif
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#ifdef MV643XX_CHECKSUM_OFFLOAD_TX
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#define MAX_DESCS_PER_SKB (MAX_SKB_FRAGS + 1)
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#else
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#define MAX_DESCS_PER_SKB 1
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#endif
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#define ETH_VLAN_HLEN 4
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#define ETH_FCS_LEN 4
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#define ETH_HW_IP_ALIGN 2 /* hw aligns IP header */
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#define ETH_WRAPPER_LEN (ETH_HW_IP_ALIGN + ETH_HLEN + \
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ETH_VLAN_HLEN + ETH_FCS_LEN)
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#define ETH_RX_SKB_SIZE (dev->mtu + ETH_WRAPPER_LEN + dma_get_cache_alignment())
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/****************************************/
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/* Ethernet Unit Registers */
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/****************************************/
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#define MV643XX_ETH_PHY_ADDR_REG 0x2000
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#define MV643XX_ETH_SMI_REG 0x2004
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#define MV643XX_ETH_UNIT_DEFAULT_ADDR_REG 0x2008
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#define MV643XX_ETH_UNIT_DEFAULTID_REG 0x200c
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#define MV643XX_ETH_UNIT_INTERRUPT_CAUSE_REG 0x2080
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#define MV643XX_ETH_UNIT_INTERRUPT_MASK_REG 0x2084
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#define MV643XX_ETH_UNIT_INTERNAL_USE_REG 0x24fc
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#define MV643XX_ETH_UNIT_ERROR_ADDR_REG 0x2094
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#define MV643XX_ETH_BAR_0 0x2200
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#define MV643XX_ETH_BAR_1 0x2208
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#define MV643XX_ETH_BAR_2 0x2210
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#define MV643XX_ETH_BAR_3 0x2218
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#define MV643XX_ETH_BAR_4 0x2220
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#define MV643XX_ETH_BAR_5 0x2228
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#define MV643XX_ETH_SIZE_REG_0 0x2204
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#define MV643XX_ETH_SIZE_REG_1 0x220c
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#define MV643XX_ETH_SIZE_REG_2 0x2214
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#define MV643XX_ETH_SIZE_REG_3 0x221c
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#define MV643XX_ETH_SIZE_REG_4 0x2224
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#define MV643XX_ETH_SIZE_REG_5 0x222c
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#define MV643XX_ETH_HEADERS_RETARGET_BASE_REG 0x2230
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#define MV643XX_ETH_HEADERS_RETARGET_CONTROL_REG 0x2234
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#define MV643XX_ETH_HIGH_ADDR_REMAP_REG_0 0x2280
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#define MV643XX_ETH_HIGH_ADDR_REMAP_REG_1 0x2284
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#define MV643XX_ETH_HIGH_ADDR_REMAP_REG_2 0x2288
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#define MV643XX_ETH_HIGH_ADDR_REMAP_REG_3 0x228c
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#define MV643XX_ETH_BASE_ADDR_ENABLE_REG 0x2290
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#define MV643XX_ETH_ACCESS_PROTECTION_REG(port) (0x2294 + (port<<2))
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#define MV643XX_ETH_MIB_COUNTERS_BASE(port) (0x3000 + (port<<7))
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#define MV643XX_ETH_PORT_CONFIG_REG(port) (0x2400 + (port<<10))
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#define MV643XX_ETH_PORT_CONFIG_EXTEND_REG(port) (0x2404 + (port<<10))
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#define MV643XX_ETH_MII_SERIAL_PARAMETRS_REG(port) (0x2408 + (port<<10))
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#define MV643XX_ETH_GMII_SERIAL_PARAMETRS_REG(port) (0x240c + (port<<10))
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#define MV643XX_ETH_VLAN_ETHERTYPE_REG(port) (0x2410 + (port<<10))
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#define MV643XX_ETH_MAC_ADDR_LOW(port) (0x2414 + (port<<10))
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#define MV643XX_ETH_MAC_ADDR_HIGH(port) (0x2418 + (port<<10))
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#define MV643XX_ETH_SDMA_CONFIG_REG(port) (0x241c + (port<<10))
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#define MV643XX_ETH_DSCP_0(port) (0x2420 + (port<<10))
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#define MV643XX_ETH_DSCP_1(port) (0x2424 + (port<<10))
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#define MV643XX_ETH_DSCP_2(port) (0x2428 + (port<<10))
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#define MV643XX_ETH_DSCP_3(port) (0x242c + (port<<10))
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#define MV643XX_ETH_DSCP_4(port) (0x2430 + (port<<10))
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#define MV643XX_ETH_DSCP_5(port) (0x2434 + (port<<10))
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#define MV643XX_ETH_DSCP_6(port) (0x2438 + (port<<10))
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#define MV643XX_ETH_PORT_SERIAL_CONTROL_REG(port) (0x243c + (port<<10))
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#define MV643XX_ETH_VLAN_PRIORITY_TAG_TO_PRIORITY(port) (0x2440 + (port<<10))
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#define MV643XX_ETH_PORT_STATUS_REG(port) (0x2444 + (port<<10))
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#define MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_REG(port) (0x2448 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_FIXED_PRIORITY(port) (0x244c + (port<<10))
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#define MV643XX_ETH_PORT_TX_TOKEN_BUCKET_RATE_CONFIG(port) (0x2450 + (port<<10))
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#define MV643XX_ETH_MAXIMUM_TRANSMIT_UNIT(port) (0x2458 + (port<<10))
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#define MV643XX_ETH_PORT_MAXIMUM_TOKEN_BUCKET_SIZE(port) (0x245c + (port<<10))
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#define MV643XX_ETH_INTERRUPT_CAUSE_REG(port) (0x2460 + (port<<10))
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#define MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port) (0x2464 + (port<<10))
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#define MV643XX_ETH_INTERRUPT_MASK_REG(port) (0x2468 + (port<<10))
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#define MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port) (0x246c + (port<<10))
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#define MV643XX_ETH_RX_FIFO_URGENT_THRESHOLD_REG(port) (0x2470 + (port<<10))
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#define MV643XX_ETH_TX_FIFO_URGENT_THRESHOLD_REG(port) (0x2474 + (port<<10))
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#define MV643XX_ETH_RX_MINIMAL_FRAME_SIZE_REG(port) (0x247c + (port<<10))
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#define MV643XX_ETH_RX_DISCARDED_FRAMES_COUNTER(port) (0x2484 + (port<<10))
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#define MV643XX_ETH_PORT_DEBUG_0_REG(port) (0x248c + (port<<10))
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#define MV643XX_ETH_PORT_DEBUG_1_REG(port) (0x2490 + (port<<10))
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#define MV643XX_ETH_PORT_INTERNAL_ADDR_ERROR_REG(port) (0x2494 + (port<<10))
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#define MV643XX_ETH_INTERNAL_USE_REG(port) (0x24fc + (port<<10))
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#define MV643XX_ETH_RECEIVE_QUEUE_COMMAND_REG(port) (0x2680 + (port<<10))
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#define MV643XX_ETH_CURRENT_SERVED_TX_DESC_PTR(port) (0x2684 + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_0(port) (0x260c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_1(port) (0x261c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_2(port) (0x262c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_3(port) (0x263c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_4(port) (0x264c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_5(port) (0x265c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_6(port) (0x266c + (port<<10))
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#define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_7(port) (0x267c + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_0(port) (0x26c0 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_1(port) (0x26c4 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_2(port) (0x26c8 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_3(port) (0x26cc + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_4(port) (0x26d0 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_5(port) (0x26d4 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_6(port) (0x26d8 + (port<<10))
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#define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_7(port) (0x26dc + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_0_TOKEN_BUCKET_COUNT(port) (0x2700 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_1_TOKEN_BUCKET_COUNT(port) (0x2710 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_2_TOKEN_BUCKET_COUNT(port) (0x2720 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_3_TOKEN_BUCKET_COUNT(port) (0x2730 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_4_TOKEN_BUCKET_COUNT(port) (0x2740 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_5_TOKEN_BUCKET_COUNT(port) (0x2750 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_6_TOKEN_BUCKET_COUNT(port) (0x2760 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_7_TOKEN_BUCKET_COUNT(port) (0x2770 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_0_TOKEN_BUCKET_CONFIG(port) (0x2704 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_1_TOKEN_BUCKET_CONFIG(port) (0x2714 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_2_TOKEN_BUCKET_CONFIG(port) (0x2724 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_3_TOKEN_BUCKET_CONFIG(port) (0x2734 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_4_TOKEN_BUCKET_CONFIG(port) (0x2744 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_5_TOKEN_BUCKET_CONFIG(port) (0x2754 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_6_TOKEN_BUCKET_CONFIG(port) (0x2764 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_7_TOKEN_BUCKET_CONFIG(port) (0x2774 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_0_ARBITER_CONFIG(port) (0x2708 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_1_ARBITER_CONFIG(port) (0x2718 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_2_ARBITER_CONFIG(port) (0x2728 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_3_ARBITER_CONFIG(port) (0x2738 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_4_ARBITER_CONFIG(port) (0x2748 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_5_ARBITER_CONFIG(port) (0x2758 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_6_ARBITER_CONFIG(port) (0x2768 + (port<<10))
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#define MV643XX_ETH_TX_QUEUE_7_ARBITER_CONFIG(port) (0x2778 + (port<<10))
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#define MV643XX_ETH_PORT_TX_TOKEN_BUCKET_COUNT(port) (0x2780 + (port<<10))
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#define MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(port) (0x3400 + (port<<10))
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#define MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(port) (0x3500 + (port<<10))
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#define MV643XX_ETH_DA_FILTER_UNICAST_TABLE_BASE(port) (0x3600 + (port<<10))
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/* These macros describe Ethernet Port configuration reg (Px_cR) bits */
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#define MV643XX_ETH_UNICAST_NORMAL_MODE 0
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#define MV643XX_ETH_UNICAST_PROMISCUOUS_MODE (1<<0)
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_0 0
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_1 (1<<1)
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_2 (1<<2)
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_3 ((1<<2) | (1<<1))
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_4 (1<<3)
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_5 ((1<<3) | (1<<1))
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_6 ((1<<3) | (1<<2))
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#define MV643XX_ETH_DEFAULT_RX_QUEUE_7 ((1<<3) | (1<<2) | (1<<1))
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_0 0
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_1 (1<<4)
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_2 (1<<5)
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_3 ((1<<5) | (1<<4))
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_4 (1<<6)
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_5 ((1<<6) | (1<<4))
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_6 ((1<<6) | (1<<5))
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#define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_7 ((1<<6) | (1<<5) | (1<<4))
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#define MV643XX_ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP 0
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#define MV643XX_ETH_REJECT_BC_IF_NOT_IP_OR_ARP (1<<7)
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#define MV643XX_ETH_RECEIVE_BC_IF_IP 0
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#define MV643XX_ETH_REJECT_BC_IF_IP (1<<8)
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#define MV643XX_ETH_RECEIVE_BC_IF_ARP 0
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#define MV643XX_ETH_REJECT_BC_IF_ARP (1<<9)
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#define MV643XX_ETH_TX_AM_NO_UPDATE_ERROR_SUMMARY (1<<12)
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#define MV643XX_ETH_CAPTURE_TCP_FRAMES_DIS 0
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#define MV643XX_ETH_CAPTURE_TCP_FRAMES_EN (1<<14)
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#define MV643XX_ETH_CAPTURE_UDP_FRAMES_DIS 0
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#define MV643XX_ETH_CAPTURE_UDP_FRAMES_EN (1<<15)
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_0 0
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_1 (1<<16)
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_2 (1<<17)
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_3 ((1<<17) | (1<<16))
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_4 (1<<18)
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_5 ((1<<18) | (1<<16))
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_6 ((1<<18) | (1<<17))
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#define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_7 ((1<<18) | (1<<17) | (1<<16))
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_0 0
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_1 (1<<19)
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_2 (1<<20)
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_3 ((1<<20) | (1<<19))
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_4 (1<<21)
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_5 ((1<<21) | (1<<19))
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_6 ((1<<21) | (1<<20))
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#define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_7 ((1<<21) | (1<<20) | (1<<19))
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_0 0
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_1 (1<<22)
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_2 (1<<23)
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_3 ((1<<23) | (1<<22))
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_4 (1<<24)
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_5 ((1<<24) | (1<<22))
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_6 ((1<<24) | (1<<23))
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#define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_7 ((1<<24) | (1<<23) | (1<<22))
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#define MV643XX_ETH_PORT_CONFIG_DEFAULT_VALUE \
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MV643XX_ETH_UNICAST_NORMAL_MODE | \
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MV643XX_ETH_DEFAULT_RX_QUEUE_0 | \
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MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_0 | \
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MV643XX_ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP | \
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MV643XX_ETH_RECEIVE_BC_IF_IP | \
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MV643XX_ETH_RECEIVE_BC_IF_ARP | \
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MV643XX_ETH_CAPTURE_TCP_FRAMES_DIS | \
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MV643XX_ETH_CAPTURE_UDP_FRAMES_DIS | \
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MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_0 | \
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MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_0 | \
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MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_0
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/* These macros describe Ethernet Port configuration extend reg (Px_cXR) bits*/
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#define MV643XX_ETH_CLASSIFY_EN (1<<0)
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#define MV643XX_ETH_SPAN_BPDU_PACKETS_AS_NORMAL 0
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#define MV643XX_ETH_SPAN_BPDU_PACKETS_TO_RX_QUEUE_7 (1<<1)
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#define MV643XX_ETH_PARTITION_DISABLE 0
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#define MV643XX_ETH_PARTITION_ENABLE (1<<2)
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#define MV643XX_ETH_PORT_CONFIG_EXTEND_DEFAULT_VALUE \
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MV643XX_ETH_SPAN_BPDU_PACKETS_AS_NORMAL | \
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MV643XX_ETH_PARTITION_DISABLE
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/* These macros describe Ethernet Port Sdma configuration reg (SDCR) bits */
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#define MV643XX_ETH_RIFB (1<<0)
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#define MV643XX_ETH_RX_BURST_SIZE_1_64BIT 0
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#define MV643XX_ETH_RX_BURST_SIZE_2_64BIT (1<<1)
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#define MV643XX_ETH_RX_BURST_SIZE_4_64BIT (1<<2)
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#define MV643XX_ETH_RX_BURST_SIZE_8_64BIT ((1<<2) | (1<<1))
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#define MV643XX_ETH_RX_BURST_SIZE_16_64BIT (1<<3)
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#define MV643XX_ETH_BLM_RX_NO_SWAP (1<<4)
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#define MV643XX_ETH_BLM_RX_BYTE_SWAP 0
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#define MV643XX_ETH_BLM_TX_NO_SWAP (1<<5)
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#define MV643XX_ETH_BLM_TX_BYTE_SWAP 0
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#define MV643XX_ETH_DESCRIPTORS_BYTE_SWAP (1<<6)
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#define MV643XX_ETH_DESCRIPTORS_NO_SWAP 0
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#define MV643XX_ETH_TX_BURST_SIZE_1_64BIT 0
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#define MV643XX_ETH_TX_BURST_SIZE_2_64BIT (1<<22)
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#define MV643XX_ETH_TX_BURST_SIZE_4_64BIT (1<<23)
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#define MV643XX_ETH_TX_BURST_SIZE_8_64BIT ((1<<23) | (1<<22))
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#define MV643XX_ETH_TX_BURST_SIZE_16_64BIT (1<<24)
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#define MV643XX_ETH_IPG_INT_RX(value) ((value & 0x3fff) << 8)
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#if defined(__BIG_ENDIAN)
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#define MV643XX_ETH_PORT_SDMA_CONFIG_DEFAULT_VALUE \
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MV643XX_ETH_RX_BURST_SIZE_4_64BIT | \
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MV643XX_ETH_IPG_INT_RX(0) | \
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MV643XX_ETH_TX_BURST_SIZE_4_64BIT
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#elif defined(__LITTLE_ENDIAN)
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#define MV643XX_ETH_PORT_SDMA_CONFIG_DEFAULT_VALUE \
|
|
MV643XX_ETH_RX_BURST_SIZE_4_64BIT | \
|
|
MV643XX_ETH_BLM_RX_NO_SWAP | \
|
|
MV643XX_ETH_BLM_TX_NO_SWAP | \
|
|
MV643XX_ETH_IPG_INT_RX(0) | \
|
|
MV643XX_ETH_TX_BURST_SIZE_4_64BIT
|
|
#else
|
|
#error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined
|
|
#endif
|
|
|
|
/* These macros describe Ethernet Port serial control reg (PSCR) bits */
|
|
#define MV643XX_ETH_SERIAL_PORT_DISABLE 0
|
|
#define MV643XX_ETH_SERIAL_PORT_ENABLE (1<<0)
|
|
#define MV643XX_ETH_FORCE_LINK_PASS (1<<1)
|
|
#define MV643XX_ETH_DO_NOT_FORCE_LINK_PASS 0
|
|
#define MV643XX_ETH_ENABLE_AUTO_NEG_FOR_DUPLX 0
|
|
#define MV643XX_ETH_DISABLE_AUTO_NEG_FOR_DUPLX (1<<2)
|
|
#define MV643XX_ETH_ENABLE_AUTO_NEG_FOR_FLOW_CTRL 0
|
|
#define MV643XX_ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL (1<<3)
|
|
#define MV643XX_ETH_ADV_NO_FLOW_CTRL 0
|
|
#define MV643XX_ETH_ADV_SYMMETRIC_FLOW_CTRL (1<<4)
|
|
#define MV643XX_ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
|
|
#define MV643XX_ETH_FORCE_FC_MODE_TX_PAUSE_DIS (1<<5)
|
|
#define MV643XX_ETH_FORCE_BP_MODE_NO_JAM 0
|
|
#define MV643XX_ETH_FORCE_BP_MODE_JAM_TX (1<<7)
|
|
#define MV643XX_ETH_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1<<8)
|
|
#define MV643XX_ETH_SERIAL_PORT_CONTROL_RESERVED (1<<9)
|
|
#define MV643XX_ETH_FORCE_LINK_FAIL 0
|
|
#define MV643XX_ETH_DO_NOT_FORCE_LINK_FAIL (1<<10)
|
|
#define MV643XX_ETH_RETRANSMIT_16_ATTEMPTS 0
|
|
#define MV643XX_ETH_RETRANSMIT_FOREVER (1<<11)
|
|
#define MV643XX_ETH_DISABLE_AUTO_NEG_SPEED_GMII (1<<13)
|
|
#define MV643XX_ETH_ENABLE_AUTO_NEG_SPEED_GMII 0
|
|
#define MV643XX_ETH_DTE_ADV_0 0
|
|
#define MV643XX_ETH_DTE_ADV_1 (1<<14)
|
|
#define MV643XX_ETH_DISABLE_AUTO_NEG_BYPASS 0
|
|
#define MV643XX_ETH_ENABLE_AUTO_NEG_BYPASS (1<<15)
|
|
#define MV643XX_ETH_AUTO_NEG_NO_CHANGE 0
|
|
#define MV643XX_ETH_RESTART_AUTO_NEG (1<<16)
|
|
#define MV643XX_ETH_MAX_RX_PACKET_1518BYTE 0
|
|
#define MV643XX_ETH_MAX_RX_PACKET_1522BYTE (1<<17)
|
|
#define MV643XX_ETH_MAX_RX_PACKET_1552BYTE (1<<18)
|
|
#define MV643XX_ETH_MAX_RX_PACKET_9022BYTE ((1<<18) | (1<<17))
|
|
#define MV643XX_ETH_MAX_RX_PACKET_9192BYTE (1<<19)
|
|
#define MV643XX_ETH_MAX_RX_PACKET_9700BYTE ((1<<19) | (1<<17))
|
|
#define MV643XX_ETH_SET_EXT_LOOPBACK (1<<20)
|
|
#define MV643XX_ETH_CLR_EXT_LOOPBACK 0
|
|
#define MV643XX_ETH_SET_FULL_DUPLEX_MODE (1<<21)
|
|
#define MV643XX_ETH_SET_HALF_DUPLEX_MODE 0
|
|
#define MV643XX_ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX (1<<22)
|
|
#define MV643XX_ETH_DISABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
|
|
#define MV643XX_ETH_SET_GMII_SPEED_TO_10_100 0
|
|
#define MV643XX_ETH_SET_GMII_SPEED_TO_1000 (1<<23)
|
|
#define MV643XX_ETH_SET_MII_SPEED_TO_10 0
|
|
#define MV643XX_ETH_SET_MII_SPEED_TO_100 (1<<24)
|
|
|
|
#define MV643XX_ETH_MAX_RX_PACKET_MASK (0x7<<17)
|
|
|
|
#define MV643XX_ETH_PORT_SERIAL_CONTROL_DEFAULT_VALUE \
|
|
MV643XX_ETH_DO_NOT_FORCE_LINK_PASS | \
|
|
MV643XX_ETH_ENABLE_AUTO_NEG_FOR_DUPLX | \
|
|
MV643XX_ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL | \
|
|
MV643XX_ETH_ADV_SYMMETRIC_FLOW_CTRL | \
|
|
MV643XX_ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
|
|
MV643XX_ETH_FORCE_BP_MODE_NO_JAM | \
|
|
(1<<9) /* reserved */ | \
|
|
MV643XX_ETH_DO_NOT_FORCE_LINK_FAIL | \
|
|
MV643XX_ETH_RETRANSMIT_16_ATTEMPTS | \
|
|
MV643XX_ETH_ENABLE_AUTO_NEG_SPEED_GMII | \
|
|
MV643XX_ETH_DTE_ADV_0 | \
|
|
MV643XX_ETH_DISABLE_AUTO_NEG_BYPASS | \
|
|
MV643XX_ETH_AUTO_NEG_NO_CHANGE | \
|
|
MV643XX_ETH_MAX_RX_PACKET_9700BYTE | \
|
|
MV643XX_ETH_CLR_EXT_LOOPBACK | \
|
|
MV643XX_ETH_SET_FULL_DUPLEX_MODE | \
|
|
MV643XX_ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX
|
|
|
|
/* These macros describe Ethernet Serial Status reg (PSR) bits */
|
|
#define MV643XX_ETH_PORT_STATUS_MODE_10_BIT (1<<0)
|
|
#define MV643XX_ETH_PORT_STATUS_LINK_UP (1<<1)
|
|
#define MV643XX_ETH_PORT_STATUS_FULL_DUPLEX (1<<2)
|
|
#define MV643XX_ETH_PORT_STATUS_FLOW_CONTROL (1<<3)
|
|
#define MV643XX_ETH_PORT_STATUS_GMII_1000 (1<<4)
|
|
#define MV643XX_ETH_PORT_STATUS_MII_100 (1<<5)
|
|
/* PSR bit 6 is undocumented */
|
|
#define MV643XX_ETH_PORT_STATUS_TX_IN_PROGRESS (1<<7)
|
|
#define MV643XX_ETH_PORT_STATUS_AUTONEG_BYPASSED (1<<8)
|
|
#define MV643XX_ETH_PORT_STATUS_PARTITION (1<<9)
|
|
#define MV643XX_ETH_PORT_STATUS_TX_FIFO_EMPTY (1<<10)
|
|
/* PSR bits 11-31 are reserved */
|
|
|
|
#define MV643XX_ETH_PORT_DEFAULT_TRANSMIT_QUEUE_SIZE 800
|
|
#define MV643XX_ETH_PORT_DEFAULT_RECEIVE_QUEUE_SIZE 400
|
|
|
|
#define MV643XX_ETH_DESC_SIZE 64
|
|
|
|
#define ETH_RX_QUEUES_ENABLED (1 << 0) /* use only Q0 for receive */
|
|
#define ETH_TX_QUEUES_ENABLED (1 << 0) /* use only Q0 for transmit */
|
|
|
|
#define ETH_INT_CAUSE_RX_DONE (ETH_RX_QUEUES_ENABLED << 2)
|
|
#define ETH_INT_CAUSE_RX_ERROR (ETH_RX_QUEUES_ENABLED << 9)
|
|
#define ETH_INT_CAUSE_RX (ETH_INT_CAUSE_RX_DONE | ETH_INT_CAUSE_RX_ERROR)
|
|
#define ETH_INT_CAUSE_EXT 0x00000002
|
|
#define ETH_INT_UNMASK_ALL (ETH_INT_CAUSE_RX | ETH_INT_CAUSE_EXT)
|
|
|
|
#define ETH_INT_CAUSE_TX_DONE (ETH_TX_QUEUES_ENABLED << 0)
|
|
#define ETH_INT_CAUSE_TX_ERROR (ETH_TX_QUEUES_ENABLED << 8)
|
|
#define ETH_INT_CAUSE_TX (ETH_INT_CAUSE_TX_DONE | ETH_INT_CAUSE_TX_ERROR)
|
|
#define ETH_INT_CAUSE_PHY 0x00010000
|
|
#define ETH_INT_CAUSE_STATE 0x00100000
|
|
#define ETH_INT_UNMASK_ALL_EXT (ETH_INT_CAUSE_TX | ETH_INT_CAUSE_PHY | \
|
|
ETH_INT_CAUSE_STATE)
|
|
|
|
#define ETH_INT_MASK_ALL 0x00000000
|
|
#define ETH_INT_MASK_ALL_EXT 0x00000000
|
|
|
|
#define PHY_WAIT_ITERATIONS 1000 /* 1000 iterations * 10uS = 10mS max */
|
|
#define PHY_WAIT_MICRO_SECONDS 10
|
|
|
|
/* Buffer offset from buffer pointer */
|
|
#define RX_BUF_OFFSET 0x2
|
|
|
|
/* Gigabit Ethernet Unit Global Registers */
|
|
|
|
/* MIB Counters register definitions */
|
|
#define ETH_MIB_GOOD_OCTETS_RECEIVED_LOW 0x0
|
|
#define ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH 0x4
|
|
#define ETH_MIB_BAD_OCTETS_RECEIVED 0x8
|
|
#define ETH_MIB_INTERNAL_MAC_TRANSMIT_ERR 0xc
|
|
#define ETH_MIB_GOOD_FRAMES_RECEIVED 0x10
|
|
#define ETH_MIB_BAD_FRAMES_RECEIVED 0x14
|
|
#define ETH_MIB_BROADCAST_FRAMES_RECEIVED 0x18
|
|
#define ETH_MIB_MULTICAST_FRAMES_RECEIVED 0x1c
|
|
#define ETH_MIB_FRAMES_64_OCTETS 0x20
|
|
#define ETH_MIB_FRAMES_65_TO_127_OCTETS 0x24
|
|
#define ETH_MIB_FRAMES_128_TO_255_OCTETS 0x28
|
|
#define ETH_MIB_FRAMES_256_TO_511_OCTETS 0x2c
|
|
#define ETH_MIB_FRAMES_512_TO_1023_OCTETS 0x30
|
|
#define ETH_MIB_FRAMES_1024_TO_MAX_OCTETS 0x34
|
|
#define ETH_MIB_GOOD_OCTETS_SENT_LOW 0x38
|
|
#define ETH_MIB_GOOD_OCTETS_SENT_HIGH 0x3c
|
|
#define ETH_MIB_GOOD_FRAMES_SENT 0x40
|
|
#define ETH_MIB_EXCESSIVE_COLLISION 0x44
|
|
#define ETH_MIB_MULTICAST_FRAMES_SENT 0x48
|
|
#define ETH_MIB_BROADCAST_FRAMES_SENT 0x4c
|
|
#define ETH_MIB_UNREC_MAC_CONTROL_RECEIVED 0x50
|
|
#define ETH_MIB_FC_SENT 0x54
|
|
#define ETH_MIB_GOOD_FC_RECEIVED 0x58
|
|
#define ETH_MIB_BAD_FC_RECEIVED 0x5c
|
|
#define ETH_MIB_UNDERSIZE_RECEIVED 0x60
|
|
#define ETH_MIB_FRAGMENTS_RECEIVED 0x64
|
|
#define ETH_MIB_OVERSIZE_RECEIVED 0x68
|
|
#define ETH_MIB_JABBER_RECEIVED 0x6c
|
|
#define ETH_MIB_MAC_RECEIVE_ERROR 0x70
|
|
#define ETH_MIB_BAD_CRC_EVENT 0x74
|
|
#define ETH_MIB_COLLISION 0x78
|
|
#define ETH_MIB_LATE_COLLISION 0x7c
|
|
|
|
/* Port serial status reg (PSR) */
|
|
#define ETH_INTERFACE_PCM 0x00000001
|
|
#define ETH_LINK_IS_UP 0x00000002
|
|
#define ETH_PORT_AT_FULL_DUPLEX 0x00000004
|
|
#define ETH_RX_FLOW_CTRL_ENABLED 0x00000008
|
|
#define ETH_GMII_SPEED_1000 0x00000010
|
|
#define ETH_MII_SPEED_100 0x00000020
|
|
#define ETH_TX_IN_PROGRESS 0x00000080
|
|
#define ETH_BYPASS_ACTIVE 0x00000100
|
|
#define ETH_PORT_AT_PARTITION_STATE 0x00000200
|
|
#define ETH_PORT_TX_FIFO_EMPTY 0x00000400
|
|
|
|
/* SMI reg */
|
|
#define ETH_SMI_BUSY 0x10000000 /* 0 - Write, 1 - Read */
|
|
#define ETH_SMI_READ_VALID 0x08000000 /* 0 - Write, 1 - Read */
|
|
#define ETH_SMI_OPCODE_WRITE 0 /* Completion of Read */
|
|
#define ETH_SMI_OPCODE_READ 0x04000000 /* Operation is in progress */
|
|
|
|
/* Interrupt Cause Register Bit Definitions */
|
|
|
|
/* SDMA command status fields macros */
|
|
|
|
/* Tx & Rx descriptors status */
|
|
#define ETH_ERROR_SUMMARY 0x00000001
|
|
|
|
/* Tx & Rx descriptors command */
|
|
#define ETH_BUFFER_OWNED_BY_DMA 0x80000000
|
|
|
|
/* Tx descriptors status */
|
|
#define ETH_LC_ERROR 0
|
|
#define ETH_UR_ERROR 0x00000002
|
|
#define ETH_RL_ERROR 0x00000004
|
|
#define ETH_LLC_SNAP_FORMAT 0x00000200
|
|
|
|
/* Rx descriptors status */
|
|
#define ETH_OVERRUN_ERROR 0x00000002
|
|
#define ETH_MAX_FRAME_LENGTH_ERROR 0x00000004
|
|
#define ETH_RESOURCE_ERROR 0x00000006
|
|
#define ETH_VLAN_TAGGED 0x00080000
|
|
#define ETH_BPDU_FRAME 0x00100000
|
|
#define ETH_UDP_FRAME_OVER_IP_V_4 0x00200000
|
|
#define ETH_OTHER_FRAME_TYPE 0x00400000
|
|
#define ETH_LAYER_2_IS_ETH_V_2 0x00800000
|
|
#define ETH_FRAME_TYPE_IP_V_4 0x01000000
|
|
#define ETH_FRAME_HEADER_OK 0x02000000
|
|
#define ETH_RX_LAST_DESC 0x04000000
|
|
#define ETH_RX_FIRST_DESC 0x08000000
|
|
#define ETH_UNKNOWN_DESTINATION_ADDR 0x10000000
|
|
#define ETH_RX_ENABLE_INTERRUPT 0x20000000
|
|
#define ETH_LAYER_4_CHECKSUM_OK 0x40000000
|
|
|
|
/* Rx descriptors byte count */
|
|
#define ETH_FRAME_FRAGMENTED 0x00000004
|
|
|
|
/* Tx descriptors command */
|
|
#define ETH_LAYER_4_CHECKSUM_FIRST_DESC 0x00000400
|
|
#define ETH_FRAME_SET_TO_VLAN 0x00008000
|
|
#define ETH_UDP_FRAME 0x00010000
|
|
#define ETH_GEN_TCP_UDP_CHECKSUM 0x00020000
|
|
#define ETH_GEN_IP_V_4_CHECKSUM 0x00040000
|
|
#define ETH_ZERO_PADDING 0x00080000
|
|
#define ETH_TX_LAST_DESC 0x00100000
|
|
#define ETH_TX_FIRST_DESC 0x00200000
|
|
#define ETH_GEN_CRC 0x00400000
|
|
#define ETH_TX_ENABLE_INTERRUPT 0x00800000
|
|
#define ETH_AUTO_MODE 0x40000000
|
|
|
|
#define ETH_TX_IHL_SHIFT 11
|
|
|
|
/* typedefs */
|
|
|
|
typedef enum _eth_func_ret_status {
|
|
ETH_OK, /* Returned as expected. */
|
|
ETH_ERROR, /* Fundamental error. */
|
|
ETH_RETRY, /* Could not process request. Try later.*/
|
|
ETH_END_OF_JOB, /* Ring has nothing to process. */
|
|
ETH_QUEUE_FULL, /* Ring resource error. */
|
|
ETH_QUEUE_LAST_RESOURCE /* Ring resources about to exhaust. */
|
|
} ETH_FUNC_RET_STATUS;
|
|
|
|
typedef enum _eth_target {
|
|
ETH_TARGET_DRAM,
|
|
ETH_TARGET_DEVICE,
|
|
ETH_TARGET_CBS,
|
|
ETH_TARGET_PCI0,
|
|
ETH_TARGET_PCI1
|
|
} ETH_TARGET;
|
|
|
|
/* These are for big-endian machines. Little endian needs different
|
|
* definitions.
|
|
*/
|
|
#if defined(__BIG_ENDIAN)
|
|
struct eth_rx_desc {
|
|
u16 byte_cnt; /* Descriptor buffer byte count */
|
|
u16 buf_size; /* Buffer size */
|
|
u32 cmd_sts; /* Descriptor command status */
|
|
u32 next_desc_ptr; /* Next descriptor pointer */
|
|
u32 buf_ptr; /* Descriptor buffer pointer */
|
|
};
|
|
|
|
struct eth_tx_desc {
|
|
u16 byte_cnt; /* buffer byte count */
|
|
u16 l4i_chk; /* CPU provided TCP checksum */
|
|
u32 cmd_sts; /* Command/status field */
|
|
u32 next_desc_ptr; /* Pointer to next descriptor */
|
|
u32 buf_ptr; /* pointer to buffer for this descriptor*/
|
|
};
|
|
|
|
#elif defined(__LITTLE_ENDIAN)
|
|
struct eth_rx_desc {
|
|
u32 cmd_sts; /* Descriptor command status */
|
|
u16 buf_size; /* Buffer size */
|
|
u16 byte_cnt; /* Descriptor buffer byte count */
|
|
u32 buf_ptr; /* Descriptor buffer pointer */
|
|
u32 next_desc_ptr; /* Next descriptor pointer */
|
|
};
|
|
|
|
struct eth_tx_desc {
|
|
u32 cmd_sts; /* Command/status field */
|
|
u16 l4i_chk; /* CPU provided TCP checksum */
|
|
u16 byte_cnt; /* buffer byte count */
|
|
u32 buf_ptr; /* pointer to buffer for this descriptor*/
|
|
u32 next_desc_ptr; /* Pointer to next descriptor */
|
|
};
|
|
#else
|
|
#error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined
|
|
#endif
|
|
|
|
/* Unified struct for Rx and Tx operations. The user is not required to */
|
|
/* be familier with neither Tx nor Rx descriptors. */
|
|
struct pkt_info {
|
|
unsigned short byte_cnt; /* Descriptor buffer byte count */
|
|
unsigned short l4i_chk; /* Tx CPU provided TCP Checksum */
|
|
unsigned int cmd_sts; /* Descriptor command status */
|
|
dma_addr_t buf_ptr; /* Descriptor buffer pointer */
|
|
struct sk_buff *return_info; /* User resource return information */
|
|
};
|
|
|
|
/* Ethernet port specific information */
|
|
|
|
struct mv643xx_mib_counters {
|
|
u64 good_octets_received;
|
|
u32 bad_octets_received;
|
|
u32 internal_mac_transmit_err;
|
|
u32 good_frames_received;
|
|
u32 bad_frames_received;
|
|
u32 broadcast_frames_received;
|
|
u32 multicast_frames_received;
|
|
u32 frames_64_octets;
|
|
u32 frames_65_to_127_octets;
|
|
u32 frames_128_to_255_octets;
|
|
u32 frames_256_to_511_octets;
|
|
u32 frames_512_to_1023_octets;
|
|
u32 frames_1024_to_max_octets;
|
|
u64 good_octets_sent;
|
|
u32 good_frames_sent;
|
|
u32 excessive_collision;
|
|
u32 multicast_frames_sent;
|
|
u32 broadcast_frames_sent;
|
|
u32 unrec_mac_control_received;
|
|
u32 fc_sent;
|
|
u32 good_fc_received;
|
|
u32 bad_fc_received;
|
|
u32 undersize_received;
|
|
u32 fragments_received;
|
|
u32 oversize_received;
|
|
u32 jabber_received;
|
|
u32 mac_receive_error;
|
|
u32 bad_crc_event;
|
|
u32 collision;
|
|
u32 late_collision;
|
|
};
|
|
|
|
struct mv643xx_private {
|
|
int port_num; /* User Ethernet port number */
|
|
|
|
u32 rx_sram_addr; /* Base address of rx sram area */
|
|
u32 rx_sram_size; /* Size of rx sram area */
|
|
u32 tx_sram_addr; /* Base address of tx sram area */
|
|
u32 tx_sram_size; /* Size of tx sram area */
|
|
|
|
int rx_resource_err; /* Rx ring resource error flag */
|
|
|
|
/* Tx/Rx rings managment indexes fields. For driver use */
|
|
|
|
/* Next available and first returning Rx resource */
|
|
int rx_curr_desc_q, rx_used_desc_q;
|
|
|
|
/* Next available and first returning Tx resource */
|
|
int tx_curr_desc_q, tx_used_desc_q;
|
|
|
|
#ifdef MV643XX_TX_FAST_REFILL
|
|
u32 tx_clean_threshold;
|
|
#endif
|
|
|
|
struct eth_rx_desc *p_rx_desc_area;
|
|
dma_addr_t rx_desc_dma;
|
|
int rx_desc_area_size;
|
|
struct sk_buff **rx_skb;
|
|
|
|
struct eth_tx_desc *p_tx_desc_area;
|
|
dma_addr_t tx_desc_dma;
|
|
int tx_desc_area_size;
|
|
struct sk_buff **tx_skb;
|
|
|
|
struct work_struct tx_timeout_task;
|
|
|
|
struct net_device *dev;
|
|
struct napi_struct napi;
|
|
struct net_device_stats stats;
|
|
struct mv643xx_mib_counters mib_counters;
|
|
spinlock_t lock;
|
|
/* Size of Tx Ring per queue */
|
|
int tx_ring_size;
|
|
/* Number of tx descriptors in use */
|
|
int tx_desc_count;
|
|
/* Size of Rx Ring per queue */
|
|
int rx_ring_size;
|
|
/* Number of rx descriptors in use */
|
|
int rx_desc_count;
|
|
|
|
/*
|
|
* Used in case RX Ring is empty, which can be caused when
|
|
* system does not have resources (skb's)
|
|
*/
|
|
struct timer_list timeout;
|
|
|
|
u32 rx_int_coal;
|
|
u32 tx_int_coal;
|
|
struct mii_if_info mii;
|
|
};
|
|
|
|
/* Port operation control routines */
|
|
static void eth_port_init(struct mv643xx_private *mp);
|
|
static void eth_port_reset(unsigned int eth_port_num);
|
|
static void eth_port_start(struct net_device *dev);
|
|
|
|
/* PHY and MIB routines */
|
|
static void ethernet_phy_reset(unsigned int eth_port_num);
|
|
|
|
static void eth_port_write_smi_reg(unsigned int eth_port_num,
|
|
unsigned int phy_reg, unsigned int value);
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static void eth_port_read_smi_reg(unsigned int eth_port_num,
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unsigned int phy_reg, unsigned int *value);
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static void eth_clear_mib_counters(unsigned int eth_port_num);
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/* Port data flow control routines */
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static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp,
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struct pkt_info *p_pkt_info);
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static ETH_FUNC_RET_STATUS eth_rx_return_buff(struct mv643xx_private *mp,
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struct pkt_info *p_pkt_info);
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#endif /* __MV643XX_ETH_H__ */
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