#ifndef __MV643XX_ETH_H__ #define __MV643XX_ETH_H__ #include #include #include #include #include #include #include /* Checksum offload for Tx works for most packets, but * fails if previous packet sent did not use hw csum */ #define MV643XX_CHECKSUM_OFFLOAD_TX #define MV643XX_NAPI #define MV643XX_TX_FAST_REFILL #undef MV643XX_COAL /* * Number of RX / TX descriptors on RX / TX rings. * Note that allocating RX descriptors is done by allocating the RX * ring AND a preallocated RX buffers (skb's) for each descriptor. * The TX descriptors only allocates the TX descriptors ring, * with no pre allocated TX buffers (skb's are allocated by higher layers. */ /* Default TX ring size is 1000 descriptors */ #define MV643XX_DEFAULT_TX_QUEUE_SIZE 1000 /* Default RX ring size is 400 descriptors */ #define MV643XX_DEFAULT_RX_QUEUE_SIZE 400 #define MV643XX_TX_COAL 100 #ifdef MV643XX_COAL #define MV643XX_RX_COAL 100 #endif #ifdef MV643XX_CHECKSUM_OFFLOAD_TX #define MAX_DESCS_PER_SKB (MAX_SKB_FRAGS + 1) #else #define MAX_DESCS_PER_SKB 1 #endif #define ETH_VLAN_HLEN 4 #define ETH_FCS_LEN 4 #define ETH_HW_IP_ALIGN 2 /* hw aligns IP header */ #define ETH_WRAPPER_LEN (ETH_HW_IP_ALIGN + ETH_HLEN + \ ETH_VLAN_HLEN + ETH_FCS_LEN) #define ETH_RX_SKB_SIZE (dev->mtu + ETH_WRAPPER_LEN + dma_get_cache_alignment()) /****************************************/ /* Ethernet Unit Registers */ /****************************************/ #define MV643XX_ETH_PHY_ADDR_REG 0x2000 #define MV643XX_ETH_SMI_REG 0x2004 #define MV643XX_ETH_UNIT_DEFAULT_ADDR_REG 0x2008 #define MV643XX_ETH_UNIT_DEFAULTID_REG 0x200c #define MV643XX_ETH_UNIT_INTERRUPT_CAUSE_REG 0x2080 #define MV643XX_ETH_UNIT_INTERRUPT_MASK_REG 0x2084 #define MV643XX_ETH_UNIT_INTERNAL_USE_REG 0x24fc #define MV643XX_ETH_UNIT_ERROR_ADDR_REG 0x2094 #define MV643XX_ETH_BAR_0 0x2200 #define MV643XX_ETH_BAR_1 0x2208 #define MV643XX_ETH_BAR_2 0x2210 #define MV643XX_ETH_BAR_3 0x2218 #define MV643XX_ETH_BAR_4 0x2220 #define MV643XX_ETH_BAR_5 0x2228 #define MV643XX_ETH_SIZE_REG_0 0x2204 #define MV643XX_ETH_SIZE_REG_1 0x220c #define MV643XX_ETH_SIZE_REG_2 0x2214 #define MV643XX_ETH_SIZE_REG_3 0x221c #define MV643XX_ETH_SIZE_REG_4 0x2224 #define MV643XX_ETH_SIZE_REG_5 0x222c #define MV643XX_ETH_HEADERS_RETARGET_BASE_REG 0x2230 #define MV643XX_ETH_HEADERS_RETARGET_CONTROL_REG 0x2234 #define MV643XX_ETH_HIGH_ADDR_REMAP_REG_0 0x2280 #define MV643XX_ETH_HIGH_ADDR_REMAP_REG_1 0x2284 #define MV643XX_ETH_HIGH_ADDR_REMAP_REG_2 0x2288 #define MV643XX_ETH_HIGH_ADDR_REMAP_REG_3 0x228c #define MV643XX_ETH_BASE_ADDR_ENABLE_REG 0x2290 #define MV643XX_ETH_ACCESS_PROTECTION_REG(port) (0x2294 + (port<<2)) #define MV643XX_ETH_MIB_COUNTERS_BASE(port) (0x3000 + (port<<7)) #define MV643XX_ETH_PORT_CONFIG_REG(port) (0x2400 + (port<<10)) #define MV643XX_ETH_PORT_CONFIG_EXTEND_REG(port) (0x2404 + (port<<10)) #define MV643XX_ETH_MII_SERIAL_PARAMETRS_REG(port) (0x2408 + (port<<10)) #define MV643XX_ETH_GMII_SERIAL_PARAMETRS_REG(port) (0x240c + (port<<10)) #define MV643XX_ETH_VLAN_ETHERTYPE_REG(port) (0x2410 + (port<<10)) #define MV643XX_ETH_MAC_ADDR_LOW(port) (0x2414 + (port<<10)) #define MV643XX_ETH_MAC_ADDR_HIGH(port) (0x2418 + (port<<10)) #define MV643XX_ETH_SDMA_CONFIG_REG(port) (0x241c + (port<<10)) #define MV643XX_ETH_DSCP_0(port) (0x2420 + (port<<10)) #define MV643XX_ETH_DSCP_1(port) (0x2424 + (port<<10)) #define MV643XX_ETH_DSCP_2(port) (0x2428 + (port<<10)) #define MV643XX_ETH_DSCP_3(port) (0x242c + (port<<10)) #define MV643XX_ETH_DSCP_4(port) (0x2430 + (port<<10)) #define MV643XX_ETH_DSCP_5(port) (0x2434 + (port<<10)) #define MV643XX_ETH_DSCP_6(port) (0x2438 + (port<<10)) #define MV643XX_ETH_PORT_SERIAL_CONTROL_REG(port) (0x243c + (port<<10)) #define MV643XX_ETH_VLAN_PRIORITY_TAG_TO_PRIORITY(port) (0x2440 + (port<<10)) #define MV643XX_ETH_PORT_STATUS_REG(port) (0x2444 + (port<<10)) #define MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_REG(port) (0x2448 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_FIXED_PRIORITY(port) (0x244c + (port<<10)) #define MV643XX_ETH_PORT_TX_TOKEN_BUCKET_RATE_CONFIG(port) (0x2450 + (port<<10)) #define MV643XX_ETH_MAXIMUM_TRANSMIT_UNIT(port) (0x2458 + (port<<10)) #define MV643XX_ETH_PORT_MAXIMUM_TOKEN_BUCKET_SIZE(port) (0x245c + (port<<10)) #define MV643XX_ETH_INTERRUPT_CAUSE_REG(port) (0x2460 + (port<<10)) #define MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port) (0x2464 + (port<<10)) #define MV643XX_ETH_INTERRUPT_MASK_REG(port) (0x2468 + (port<<10)) #define MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port) (0x246c + (port<<10)) #define MV643XX_ETH_RX_FIFO_URGENT_THRESHOLD_REG(port) (0x2470 + (port<<10)) #define MV643XX_ETH_TX_FIFO_URGENT_THRESHOLD_REG(port) (0x2474 + (port<<10)) #define MV643XX_ETH_RX_MINIMAL_FRAME_SIZE_REG(port) (0x247c + (port<<10)) #define MV643XX_ETH_RX_DISCARDED_FRAMES_COUNTER(port) (0x2484 + (port<<10)) #define MV643XX_ETH_PORT_DEBUG_0_REG(port) (0x248c + (port<<10)) #define MV643XX_ETH_PORT_DEBUG_1_REG(port) (0x2490 + (port<<10)) #define MV643XX_ETH_PORT_INTERNAL_ADDR_ERROR_REG(port) (0x2494 + (port<<10)) #define MV643XX_ETH_INTERNAL_USE_REG(port) (0x24fc + (port<<10)) #define MV643XX_ETH_RECEIVE_QUEUE_COMMAND_REG(port) (0x2680 + (port<<10)) #define MV643XX_ETH_CURRENT_SERVED_TX_DESC_PTR(port) (0x2684 + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_0(port) (0x260c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_1(port) (0x261c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_2(port) (0x262c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_3(port) (0x263c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_4(port) (0x264c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_5(port) (0x265c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_6(port) (0x266c + (port<<10)) #define MV643XX_ETH_RX_CURRENT_QUEUE_DESC_PTR_7(port) (0x267c + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_0(port) (0x26c0 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_1(port) (0x26c4 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_2(port) (0x26c8 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_3(port) (0x26cc + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_4(port) (0x26d0 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_5(port) (0x26d4 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_6(port) (0x26d8 + (port<<10)) #define MV643XX_ETH_TX_CURRENT_QUEUE_DESC_PTR_7(port) (0x26dc + (port<<10)) #define MV643XX_ETH_TX_QUEUE_0_TOKEN_BUCKET_COUNT(port) (0x2700 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_1_TOKEN_BUCKET_COUNT(port) (0x2710 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_2_TOKEN_BUCKET_COUNT(port) (0x2720 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_3_TOKEN_BUCKET_COUNT(port) (0x2730 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_4_TOKEN_BUCKET_COUNT(port) (0x2740 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_5_TOKEN_BUCKET_COUNT(port) (0x2750 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_6_TOKEN_BUCKET_COUNT(port) (0x2760 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_7_TOKEN_BUCKET_COUNT(port) (0x2770 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_0_TOKEN_BUCKET_CONFIG(port) (0x2704 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_1_TOKEN_BUCKET_CONFIG(port) (0x2714 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_2_TOKEN_BUCKET_CONFIG(port) (0x2724 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_3_TOKEN_BUCKET_CONFIG(port) (0x2734 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_4_TOKEN_BUCKET_CONFIG(port) (0x2744 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_5_TOKEN_BUCKET_CONFIG(port) (0x2754 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_6_TOKEN_BUCKET_CONFIG(port) (0x2764 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_7_TOKEN_BUCKET_CONFIG(port) (0x2774 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_0_ARBITER_CONFIG(port) (0x2708 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_1_ARBITER_CONFIG(port) (0x2718 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_2_ARBITER_CONFIG(port) (0x2728 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_3_ARBITER_CONFIG(port) (0x2738 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_4_ARBITER_CONFIG(port) (0x2748 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_5_ARBITER_CONFIG(port) (0x2758 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_6_ARBITER_CONFIG(port) (0x2768 + (port<<10)) #define MV643XX_ETH_TX_QUEUE_7_ARBITER_CONFIG(port) (0x2778 + (port<<10)) #define MV643XX_ETH_PORT_TX_TOKEN_BUCKET_COUNT(port) (0x2780 + (port<<10)) #define MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(port) (0x3400 + (port<<10)) #define MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(port) (0x3500 + (port<<10)) #define MV643XX_ETH_DA_FILTER_UNICAST_TABLE_BASE(port) (0x3600 + (port<<10)) /* These macros describe Ethernet Port configuration reg (Px_cR) bits */ #define MV643XX_ETH_UNICAST_NORMAL_MODE 0 #define MV643XX_ETH_UNICAST_PROMISCUOUS_MODE (1<<0) #define MV643XX_ETH_DEFAULT_RX_QUEUE_0 0 #define MV643XX_ETH_DEFAULT_RX_QUEUE_1 (1<<1) #define MV643XX_ETH_DEFAULT_RX_QUEUE_2 (1<<2) #define MV643XX_ETH_DEFAULT_RX_QUEUE_3 ((1<<2) | (1<<1)) #define MV643XX_ETH_DEFAULT_RX_QUEUE_4 (1<<3) #define MV643XX_ETH_DEFAULT_RX_QUEUE_5 ((1<<3) | (1<<1)) #define MV643XX_ETH_DEFAULT_RX_QUEUE_6 ((1<<3) | (1<<2)) #define MV643XX_ETH_DEFAULT_RX_QUEUE_7 ((1<<3) | (1<<2) | (1<<1)) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_0 0 #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_1 (1<<4) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_2 (1<<5) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_3 ((1<<5) | (1<<4)) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_4 (1<<6) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_5 ((1<<6) | (1<<4)) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_6 ((1<<6) | (1<<5)) #define MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_7 ((1<<6) | (1<<5) | (1<<4)) #define MV643XX_ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP 0 #define MV643XX_ETH_REJECT_BC_IF_NOT_IP_OR_ARP (1<<7) #define MV643XX_ETH_RECEIVE_BC_IF_IP 0 #define MV643XX_ETH_REJECT_BC_IF_IP (1<<8) #define MV643XX_ETH_RECEIVE_BC_IF_ARP 0 #define MV643XX_ETH_REJECT_BC_IF_ARP (1<<9) #define MV643XX_ETH_TX_AM_NO_UPDATE_ERROR_SUMMARY (1<<12) #define MV643XX_ETH_CAPTURE_TCP_FRAMES_DIS 0 #define MV643XX_ETH_CAPTURE_TCP_FRAMES_EN (1<<14) #define MV643XX_ETH_CAPTURE_UDP_FRAMES_DIS 0 #define MV643XX_ETH_CAPTURE_UDP_FRAMES_EN (1<<15) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_0 0 #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_1 (1<<16) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_2 (1<<17) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_3 ((1<<17) | (1<<16)) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_4 (1<<18) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_5 ((1<<18) | (1<<16)) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_6 ((1<<18) | (1<<17)) #define MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_7 ((1<<18) | (1<<17) | (1<<16)) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_0 0 #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_1 (1<<19) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_2 (1<<20) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_3 ((1<<20) | (1<<19)) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_4 (1<<21) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_5 ((1<<21) | (1<<19)) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_6 ((1<<21) | (1<<20)) #define MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_7 ((1<<21) | (1<<20) | (1<<19)) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_0 0 #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_1 (1<<22) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_2 (1<<23) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_3 ((1<<23) | (1<<22)) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_4 (1<<24) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_5 ((1<<24) | (1<<22)) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_6 ((1<<24) | (1<<23)) #define MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_7 ((1<<24) | (1<<23) | (1<<22)) #define MV643XX_ETH_PORT_CONFIG_DEFAULT_VALUE \ MV643XX_ETH_UNICAST_NORMAL_MODE | \ MV643XX_ETH_DEFAULT_RX_QUEUE_0 | \ MV643XX_ETH_DEFAULT_RX_ARP_QUEUE_0 | \ MV643XX_ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP | \ MV643XX_ETH_RECEIVE_BC_IF_IP | \ MV643XX_ETH_RECEIVE_BC_IF_ARP | \ MV643XX_ETH_CAPTURE_TCP_FRAMES_DIS | \ MV643XX_ETH_CAPTURE_UDP_FRAMES_DIS | \ MV643XX_ETH_DEFAULT_RX_TCP_QUEUE_0 | \ MV643XX_ETH_DEFAULT_RX_UDP_QUEUE_0 | \ MV643XX_ETH_DEFAULT_RX_BPDU_QUEUE_0 /* These macros describe Ethernet Port configuration extend reg (Px_cXR) bits*/ #define MV643XX_ETH_CLASSIFY_EN (1<<0) #define MV643XX_ETH_SPAN_BPDU_PACKETS_AS_NORMAL 0 #define MV643XX_ETH_SPAN_BPDU_PACKETS_TO_RX_QUEUE_7 (1<<1) #define MV643XX_ETH_PARTITION_DISABLE 0 #define MV643XX_ETH_PARTITION_ENABLE (1<<2) #define MV643XX_ETH_PORT_CONFIG_EXTEND_DEFAULT_VALUE \ MV643XX_ETH_SPAN_BPDU_PACKETS_AS_NORMAL | \ MV643XX_ETH_PARTITION_DISABLE /* These macros describe Ethernet Port Sdma configuration reg (SDCR) bits */ #define MV643XX_ETH_RIFB (1<<0) #define MV643XX_ETH_RX_BURST_SIZE_1_64BIT 0 #define MV643XX_ETH_RX_BURST_SIZE_2_64BIT (1<<1) #define MV643XX_ETH_RX_BURST_SIZE_4_64BIT (1<<2) #define MV643XX_ETH_RX_BURST_SIZE_8_64BIT ((1<<2) | (1<<1)) #define MV643XX_ETH_RX_BURST_SIZE_16_64BIT (1<<3) #define MV643XX_ETH_BLM_RX_NO_SWAP (1<<4) #define MV643XX_ETH_BLM_RX_BYTE_SWAP 0 #define MV643XX_ETH_BLM_TX_NO_SWAP (1<<5) #define MV643XX_ETH_BLM_TX_BYTE_SWAP 0 #define MV643XX_ETH_DESCRIPTORS_BYTE_SWAP (1<<6) #define MV643XX_ETH_DESCRIPTORS_NO_SWAP 0 #define MV643XX_ETH_TX_BURST_SIZE_1_64BIT 0 #define MV643XX_ETH_TX_BURST_SIZE_2_64BIT (1<<22) #define MV643XX_ETH_TX_BURST_SIZE_4_64BIT (1<<23) #define MV643XX_ETH_TX_BURST_SIZE_8_64BIT ((1<<23) | (1<<22)) #define MV643XX_ETH_TX_BURST_SIZE_16_64BIT (1<<24) #define MV643XX_ETH_IPG_INT_RX(value) ((value & 0x3fff) << 8) #if defined(__BIG_ENDIAN) #define MV643XX_ETH_PORT_SDMA_CONFIG_DEFAULT_VALUE \ MV643XX_ETH_RX_BURST_SIZE_4_64BIT | \ MV643XX_ETH_IPG_INT_RX(0) | \ MV643XX_ETH_TX_BURST_SIZE_4_64BIT #elif defined(__LITTLE_ENDIAN) #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); static void eth_port_read_smi_reg(unsigned int eth_port_num, unsigned int phy_reg, unsigned int *value); static void eth_clear_mib_counters(unsigned int eth_port_num); /* Port data flow control routines */ static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp, struct pkt_info *p_pkt_info); static ETH_FUNC_RET_STATUS eth_rx_return_buff(struct mv643xx_private *mp, struct pkt_info *p_pkt_info); #endif /* __MV643XX_ETH_H__ */