/* $NetBSD: if_wmreg.h,v 1.4 2002/10/18 00:56:16 yamt Exp $ */ /* * Copyright (c) 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Register description for the Intel i82542 (``Wiseman''), * i82543 (``Livengood''), and i82544 (``Cordova'') Gigabit * Ethernet chips. */ /* * The wiseman supports 64-bit PCI addressing. This structure * describes the address in descriptors. */ typedef struct wiseman_addr { uint32_t wa_low; /* low-order 32 bits */ uint32_t wa_high; /* high-order 32 bits */ } __attribute__((__packed__)) wiseman_addr_t; /* * The Wiseman receive descriptor. * * The receive descriptor ring must be aligned to a 4K boundary, * and there must be an even multiple of 8 descriptors in the ring. */ typedef struct wiseman_rxdesc { wiseman_addr_t wrx_addr; /* buffer address */ uint16_t wrx_len; /* buffer length */ uint16_t wrx_cksum; /* checksum (starting at PCSS) */ uint8_t wrx_status; /* Rx status */ uint8_t wrx_errors; /* Rx errors */ uint16_t wrx_special; /* special field (VLAN, etc.) */ } __attribute__((__packed__)) wiseman_rxdesc_t; /* wrx_status bits */ #define WRX_ST_DD (1U << 0) /* descriptor done */ #define WRX_ST_EOP (1U << 1) /* end of packet */ #define WRX_ST_ISXM (1U << 2) /* ignore checksum indication */ #define WRX_ST_VP (1U << 3) /* VLAN packet */ #define WRX_ST_BPDU (1U << 4) /* ??? */ #define WRX_ST_TCPCS (1U << 5) /* TCP checksum performed */ #define WRX_ST_IPCS (1U << 6) /* IP checksum performed */ #define WRX_ST_PIF (1U << 7) /* passed in-exact filter */ /* wrx_error bits */ #define WRX_ER_CE (1U << 0) /* CRC error */ #define WRX_ER_SE (1U << 1) /* symbol error */ #define WRX_ER_SEQ (1U << 2) /* sequence error */ #define WRX_ER_ICE (1U << 3) /* ??? */ #define WRX_ER_CXE (1U << 4) /* carrier extension error */ #define WRX_ER_TCPE (1U << 5) /* TCP checksum error */ #define WRX_ER_IPE (1U << 6) /* IP checksum error */ #define WRX_ER_RXE (1U << 7) /* Rx data error */ /* wrx_special field for VLAN packets */ #define WRX_VLAN_ID(x) ((x) & 0x0fff) /* VLAN identifier */ #define WRX_VLAN_CFI (1U << 12) /* Canonical Form Indicator */ #define WRX_VLAN_PRI(x) (((x) >> 13) & 7)/* VLAN priority field */ /* * The Wiseman transmit descriptor. * * The transmit descriptor ring must be aligned to a 4K boundary, * and there must be an even multiple of 8 descriptors in the ring. */ typedef union wiseman_tx_fields { uint32_t wtxu_bits; /* bits; see below; */ struct { uint8_t wtxu_status; /* Tx status */ uint8_t wtxu_options; /* options */ uint16_t wtxu_vlan; /* VLAN info */ } __attribute__((__packed__)) wtxu_fields; } __attribute__((__packed__)) wiseman_txfields_t; typedef struct wiseman_txdesc { wiseman_addr_t wtx_addr; /* buffer address */ uint32_t wtx_cmdlen; /* command and length */ wiseman_txfields_t wtx_fields; /* fields; see below */ } __attribute__((__packed__)) wiseman_txdesc_t; #define WTX_CMD_EOP (1U << 24) /* end of packet */ #define WTX_CMD_IFCS (1U << 25) /* insert FCS */ #define WTX_CMD_RS (1U << 27) /* report status */ #define WTX_CMD_RPS (1U << 28) /* report packet sent */ #define WTX_CMD_DEXT (1U << 29) /* descriptor extension */ #define WTX_CMD_VLE (1U << 30) /* VLAN enable */ #define WTX_CMD_IDE (1U << 31) /* interrupt delay enable */ /* Descriptor types (if DEXT is set) */ #define WTX_DTYP_C (0 << 20) /* context */ #define WTC_DTYP_D (1U << 20) /* data */ /* wtx_fields status bits */ #define WTX_ST_DD (1U << 0) /* descriptor done */ #define WTX_ST_EC (1U << 1) /* excessive collisions */ #define WTX_ST_LC (1U << 2) /* late collision */ #define WTX_ST_TU (1U << 3) /* transmit underrun */ /* wtx_fields bits for IP/TCP/UDP checksum offload */ #define WTX_IXSM (1U << 8) /* IP checksum offload */ #define WTX_TXSM (1U << 9) /* TCP/UDP checksum offload */ /* * The Livengood TCP/IP context descriptor. */ struct livengood_tcpip_ctxdesc { uint32_t tcpip_ipcs; /* IP checksum context */ uint32_t tcpip_tucs; /* TCP/UDP checksum context */ uint32_t tcpip_cmdlen; uint32_t tcpip_seg; /* TCP segmentation context */ }; /* commands for context descriptors */ #define WTX_TCPIP_CMD_TCP (1U << 24) /* 1 = TCP, 0 = UDP */ #define WTX_TCPIP_CMD_IP (1U << 25) /* 1 = IPv4, 0 = IPv6 */ #define WTX_TCPIP_CMD_TSE (1U << 26) /* segmentation context valid */ #define WTX_TCPIP_IPCSS(x) ((x) << 0) /* checksum start */ #define WTX_TCPIP_IPCSO(x) ((x) << 8) /* checksum value offset */ #define WTX_TCPIP_IPCSE(x) ((x) << 16) /* checksum end */ #define WTX_TCPIP_TUCSS(x) ((x) << 0) /* checksum start */ #define WTX_TCPIP_TUCSO(x) ((x) << 8) /* checksum value offset */ #define WTX_TCPIP_TUCSE(x) ((x) << 16) /* checksum end */ #define WTX_TCPIP_SEG_STATUS(x) ((x) << 0) #define WTX_TCPIP_SEG_HDRLEN(x) ((x) << 8) #define WTX_TCPIP_SEG_MSS(x) ((x) << 16) /* * PCI config registers used by the Wiseman. */ #define WM_PCI_MMBA PCI_MAPREG_START /* * Wiseman Control/Status Registers. */ #define WMREG_CTRL 0x0000 /* Device Control Register */ #define CTRL_FD (1U << 0) /* full duplex */ #define CTRL_BEM (1U << 1) /* big-endian mode */ #define CTRL_PRIOR (1U << 2) /* 0 = receive, 1 = fair */ #define CTRL_LRST (1U << 3) /* link reset */ #define CTRL_ASDE (1U << 5) /* auto speed detect enable */ #define CTRL_SLU (1U << 6) /* set link up */ #define CTRL_ILOS (1U << 7) /* invert loss of signal */ #define CTRL_SPEED(x) ((x) << 8) /* speed (Livengood) */ #define CTRL_SPEED_10 CTRL_SPEED(0) #define CTRL_SPEED_100 CTRL_SPEED(1) #define CTRL_SPEED_1000 CTRL_SPEED(2) #define CTRL_SPEED_MASK CTRL_SPEED(3) #define CTRL_FRCSPD (1U << 11) /* force speed (Livengood) */ #define CTRL_FRCFDX (1U << 12) /* force full-duplex (Livengood) */ #define CTRL_SWDPINS_SHIFT 18 #define CTRL_SWDPINS_MASK 0x0f #define CTRL_SWDPIN(x) (1U << (CTRL_SWDPINS_SHIFT + (x))) #define CTRL_SWDPIO_SHIFT 22 #define CTRL_SWDPIO_MASK 0x0f #define CTRL_SWDPIO(x) (1U << (CTRL_SWDPIO_SHIFT + (x))) #define CTRL_RST (1U << 26) /* device reset */ #define CTRL_RFCE (1U << 27) /* Rx flow control enable */ #define CTRL_TFCE (1U << 28) /* Tx flow control enable */ #define CTRL_VME (1U << 30) /* VLAN Mode Enable */ #define CTRL_PHY_RESET (1U << 31) /* PHY reset (Cordova) */ #define WMREG_STATUS 0x0008 /* Device Status Register */ #define STATUS_FD (1U << 0) /* full duplex */ #define STATUS_LU (1U << 1) /* link up */ #define STATUS_TCKOK (1U << 2) /* Tx clock running */ #define STATUS_RBCOK (1U << 3) /* Rx clock running */ #define STATUS_FUNCID_SHIFT 2 /* 82546 function ID */ #define STATUS_FUNCID_MASK 3 /* ... */ #define STATUS_TXOFF (1U << 4) /* Tx paused */ #define STATUS_TBIMODE (1U << 5) /* fiber mode (Livengood) */ #define STATUS_SPEED(x) ((x) << 6) /* speed indication */ #define STATUS_SPEED_10 STATUS_SPEED(0) #define STATUS_SPEED_100 STATUS_SPEED(1) #define STATUS_SPEED_1000 STATUS_SPEED(2) #define STATUS_ASDV(x) ((x) << 8) /* auto speed det. val. (Livengood) */ #define STATUS_MTXCKOK (1U << 10) /* MTXD clock running */ #define STATUS_PCI66 (1U << 11) /* 66MHz bus (Livengood) */ #define STATUS_BUS64 (1U << 12) /* 64-bit bus (Livengood) */ #define STATUS_PCIX_MODE (1U << 13) /* PCIX mode (Cordova) */ #define STATUS_PCIXSPD(x) ((x) << 14) /* PCIX speed indication (Cordova) */ #define STATUS_PCIXSPD_50_66 STATUS_PCIXSPD(0) #define STATUS_PCIXSPD_66_100 STATUS_PCIXSPD(1) #define STATUS_PCIXSPD_100_133 STATUS_PCIXSPD(2) #define WMREG_EECD 0x0010 /* EEPROM Control Register */ #define EECD_SK (1U << 0) /* clock */ #define EECD_CS (1U << 1) /* chip select */ #define EECD_DI (1U << 2) /* data in */ #define EECD_DO (1U << 3) /* data out */ #define EECD_FWE(x) ((x) << 4) /* flash write enable control */ #define EECD_FWE_DISABLED EECD_FWE(1) #define EECD_FWE_ENABLED EECD_FWE(2) #define EECD_EE_REQ (1U << 6) /* (shared) EEPROM request */ #define EECD_EE_GNT (1U << 7) /* (shared) EEPROM grant */ #define EECD_EE_PRES (1U << 8) /* EEPROM present */ #define EECD_EE_SIZE (1U << 9) /* EEPROM size (0 = 64 word, 1 = 256 word) */ #define UWIRE_OPC_ERASE 0x04 /* MicroWire "erase" opcode */ #define UWIRE_OPC_WRITE 0x05 /* MicroWire "write" opcode */ #define UWIRE_OPC_READ 0x06 /* MicroWire "read" opcode */ #define EEPROM_OFF_MACADDR 0x00 /* MAC address offset */ #define EEPROM_OFF_CFG1 0x0a /* config word 1 */ #define EEPROM_OFF_CFG2 0x0f /* config word 2 */ #define EEPROM_OFF_SWDPIN 0x20 /* SWD Pins (Cordova) */ #define EEPROM_CFG1_LVDID (1U << 0) #define EEPROM_CFG1_LSSID (1U << 1) #define EEPROM_CFG1_PME_CLOCK (1U << 2) #define EEPROM_CFG1_PM (1U << 3) #define EEPROM_CFG1_ILOS (1U << 4) #define EEPROM_CFG1_SWDPIO_SHIFT 5 #define EEPROM_CFG1_SWDPIO_MASK (0xf << EEPROM_CFG1_SWDPIO_SHIFT) #define EEPROM_CFG1_IPS1 (1U << 8) #define EEPROM_CFG1_LRST (1U << 9) #define EEPROM_CFG1_FD (1U << 10) #define EEPROM_CFG1_FRCSPD (1U << 11) #define EEPROM_CFG1_IPS0 (1U << 12) #define EEPROM_CFG1_64_32_BAR (1U << 13) #define EEPROM_CFG2_CSR_RD_SPLIT (1U << 1) #define EEPROM_CFG2_APM_EN (1U << 2) #define EEPROM_CFG2_64_BIT (1U << 3) #define EEPROM_CFG2_MAX_READ (1U << 4) #define EEPROM_CFG2_DMCR_MAP (1U << 5) #define EEPROM_CFG2_133_CAP (1U << 6) #define EEPROM_CFG2_MSI_DIS (1U << 7) #define EEPROM_CFG2_FLASH_DIS (1U << 8) #define EEPROM_CFG2_FLASH_SIZE(x) (((x) & 3) >> 9) #define EEPROM_CFG2_ANE (1U << 11) #define EEPROM_CFG2_PAUSE(x) (((x) & 3) >> 12) #define EEPROM_CFG2_ASDE (1U << 14) #define EEPROM_CFG2_APM_PME (1U << 15) #define EEPROM_CFG2_SWDPIO_SHIFT 4 #define EEPROM_CFG2_SWDPIO_MASK (0xf << EEPROM_CFG2_SWDPIO_SHIFT) #define EEPROM_SWDPIN_MASK 0xdf #define EEPROM_SWDPIN_SWDPIN_SHIFT 0 #define EEPROM_SWDPIN_SWDPIO_SHIFT 8 #define WMREG_CTRL_EXT 0x0018 /* Extended Device Control Register */ #define CTRL_EXT_GPI_EN(x) (1U << (x)) /* gpin interrupt enable */ #define CTRL_EXT_SWDPINS_SHIFT 4 #define CTRL_EXT_SWDPINS_MASK 0x0d #define CTRL_EXT_SWDPIN(x) (1U << (CTRL_SWDPINS_SHIFT + (x) - 4)) #define CTRL_EXT_SWDPIO_SHIFT 8 #define CTRL_EXT_SWDPIO_MASK 0x0d #define CTRL_EXT_SWDPIO(x) (1U << (CTRL_SWDPIO_SHIFT + (x) - 4)) #define CTRL_EXT_ASDCHK (1U << 12) /* ASD check */ #define CTRL_EXT_EE_RST (1U << 13) /* EEPROM reset */ #define CTRL_EXT_IPS (1U << 14) /* invert power state bit 0 */ #define CTRL_EXT_SPD_BYPS (1U << 15) /* speed select bypass */ #define CTRL_EXT_IPS1 (1U << 16) /* invert power state bit 1 */ #define CTRL_EXT_RO_DIS (1U << 17) /* relaxed ordering disabled */ #define WMREG_MDIC 0x0020 /* MDI Control Register */ #define MDIC_DATA(x) ((x) & 0xffff) #define MDIC_REGADD(x) ((x) << 16) #define MDIC_PHYADD(x) ((x) << 21) #define MDIC_OP_WRITE (1U << 26) #define MDIC_OP_READ (2U << 26) #define MDIC_READY (1U << 28) #define MDIC_I (1U << 29) /* interrupt on MDI complete */ #define MDIC_E (1U << 30) /* MDI error */ #define WMREG_FCAL 0x0028 /* Flow Control Address Low */ #define FCAL_CONST 0x00c28001 /* Flow Control MAC addr low */ #define WMREG_FCAH 0x002c /* Flow Control Address High */ #define FCAH_CONST 0x00000100 /* Flow Control MAC addr high */ #define WMREG_FCT 0x0030 /* Flow Control Type */ #define WMREG_VET 0x0038 /* VLAN Ethertype */ #define WMREG_RAL_BASE 0x0040 /* Receive Address List */ #define WMREG_CORDOVA_RAL_BASE 0x5400 #define WMREG_RAL_LO(b, x) ((b) + ((x) << 3)) #define WMREG_RAL_HI(b, x) (WMREG_RAL_LO(b, x) + 4) /* * Receive Address List: The LO part is the low-order 32-bits * of the MAC address. The HI part is the high-order 16-bits * along with a few control bits. */ #define RAL_AS(x) ((x) << 16) /* address select */ #define RAL_AS_DEST RAL_AS(0) /* (cordova?) */ #define RAL_AS_SOURCE RAL_AS(1) /* (cordova?) */ #define RAL_RDR1 (1U << 30) /* put packet in alt. rx ring */ #define RAL_AV (1U << 31) /* entry is valid */ #define WM_RAL_TABSIZE 16 #define WMREG_ICR 0x00c0 /* Interrupt Cause Register */ #define ICR_TXDW (1U << 0) /* Tx desc written back */ #define ICR_TXQE (1U << 1) /* Tx queue empty */ #define ICR_LSC (1U << 2) /* link status change */ #define ICR_RXSEQ (1U << 3) /* receive sequence error */ #define ICR_RXDMT0 (1U << 4) /* Rx ring 0 nearly empty */ #define ICR_RXO (1U << 6) /* Rx overrun */ #define ICR_RXT0 (1U << 7) /* Rx ring 0 timer */ #define ICR_MDAC (1U << 9) /* MDIO access complete */ #define ICR_RXCFG (1U << 10) /* Receiving /C/ */ #define ICR_GPI(x) (1U << (x)) /* general purpose interrupts */ #define WMREG_ICS 0x00c8 /* Interrupt Cause Set Register */ /* See ICR bits. */ #define WMREG_IMS 0x00d0 /* Interrupt Mask Set Register */ /* See ICR bits. */ #define WMREG_IMC 0x00d8 /* Interrupt Mask Clear Register */ /* See ICR bits. */ #define WMREG_RCTL 0x0100 /* Receive Control */ #define RCTL_EN (1U << 1) /* receiver enable */ #define RCTL_SBP (1U << 2) /* store bad packets */ #define RCTL_UPE (1U << 3) /* unicast promisc. enable */ #define RCTL_MPE (1U << 4) /* multicast promisc. enable */ #define RCTL_LPE (1U << 5) /* large packet enable */ #define RCTL_LBM(x) ((x) << 6) /* loopback mode */ #define RCTL_LBM_NONE RCTL_LBM(0) #define RCTL_LBM_PHY RCTL_LBM(3) #define RCTL_RDMTS(x) ((x) << 8) /* receive desc. min thresh size */ #define RCTL_RDMTS_1_2 RCTL_RDMTS(0) #define RCTL_RDMTS_1_4 RCTL_RDMTS(1) #define RCTL_RDMTS_1_8 RCTL_RDMTS(2) #define RCTL_RDMTS_MASK RCTL_RDMTS(3) #define RCTL_MO(x) ((x) << 12) /* multicast offset */ #define RCTL_BAM (1U << 15) /* broadcast accept mode */ #define RCTL_2k (0 << 16) /* 2k Rx buffers */ #define RCTL_1k (1 << 16) /* 1k Rx buffers */ #define RCTL_512 (2 << 16) /* 512 byte Rx buffers */ #define RCTL_256 (3 << 16) /* 256 byte Rx buffers */ #define RCTL_BSEX_16k (1 << 16) /* 16k Rx buffers (BSEX) */ #define RCTL_BSEX_8k (2 << 16) /* 8k Rx buffers (BSEX) */ #define RCTL_BSEX_4k (3 << 16) /* 4k Rx buffers (BSEX) */ #define RCTL_DPF (1U << 22) /* discard pause frames */ #define RCTL_PMCF (1U << 23) /* pass MAC control frames */ #define RCTL_BSEX (1U << 25) /* buffer size extension (Livengood) */ #define RCTL_SECRC (1U << 26) /* strip Ethernet CRC */ #define WMREG_OLD_RDTR0 0x0108 /* Receive Delay Timer (ring 0) */ #define WMREG_RDTR 0x2820 #define RDTR_FPD (1U << 31) /* flush partial descriptor */ #define WMREG_OLD_RDBAL0 0x0110 /* Receive Descriptor Base Low (ring 0) */ #define WMREG_RDBAL 0x2800 #define WMREG_OLD_RDBAH0 0x0114 /* Receive Descriptor Base High (ring 0) */ #define WMREG_RDBAH 0x2804 #define WMREG_OLD_RDLEN0 0x0118 /* Receive Descriptor Length (ring 0) */ #define WMREG_RDLEN 0x2808 #define WMREG_OLD_RDH0 0x0120 /* Receive Descriptor Head (ring 0) */ #define WMREG_RDH 0x2810 #define WMREG_OLD_RDT0 0x0128 /* Receive Descriptor Tail (ring 0) */ #define WMREG_RDT 0x2818 #define WMREG_RXDCTL 0x2828 /* Receive Descriptor Control */ #define RXDCTL_PTHRESH(x) ((x) << 0) /* prefetch threshold */ #define RXDCTL_HTHRESH(x) ((x) << 8) /* host threshold */ #define RXDCTL_WTHRESH(x) ((x) << 16) /* write back threshold */ #define RXDCTL_GRAN (1U << 24) /* 0 = cacheline, 1 = descriptor */ #define WMREG_OLD_RDTR1 0x0130 /* Receive Delay Timer (ring 1) */ #define WMREG_OLD_RDBA1_LO 0x0138 /* Receive Descriptor Base Low (ring 1) */ #define WMREG_OLD_RDBA1_HI 0x013c /* Receive Descriptor Base High (ring 1) */ #define WMREG_OLD_RDLEN1 0x0140 /* Receive Drscriptor Length (ring 1) */ #define WMREG_OLD_RDH1 0x0148 #define WMREG_OLD_RDT1 0x0150 #define WMREG_OLD_FCRTH 0x0160 /* Flow Control Rx Threshold Hi (OLD) */ #define WMREG_FCRTL 0x2160 /* Flow Control Rx Threshold Lo */ #define FCRTH_DFLT 0x00008000 #define WMREG_OLD_FCRTL 0x0168 /* Flow Control Rx Threshold Lo (OLD) */ #define WMREG_FCRTH 0x2168 /* Flow Control Rx Threhsold Hi */ #define FCRTL_DFLT 0x00004000 #define WMREG_FCTTV 0x0170 /* Flow Control Transmit Timer Value */ #define FCTTV_DFLT 0x00000100 #define WMREG_TXCW 0x0178 /* Transmit Configuration Word (TBI mode) */ /* See MII ANAR_X bits. */ #define TXCW_TxConfig (1U << 30) /* Tx Config */ #define TXCW_ANE (1U << 31) /* Autonegotiate */ #define WMREG_RXCW 0x0180 /* Receive Configuration Word (TBI mode) */ /* See MII ANLPAR_X bits. */ #define RXCW_NC (1U << 26) /* no carrier */ #define RXCW_IV (1U << 27) /* config invalid */ #define RXCW_CC (1U << 28) /* config change */ #define RXCW_C (1U << 29) /* /C/ reception */ #define RXCW_SYNCH (1U << 30) /* synchronized */ #define RXCW_ANC (1U << 31) /* autonegotiation complete */ #define WMREG_MTA 0x0200 /* Multicast Table Array */ #define WMREG_CORDOVA_MTA 0x5200 #define WMREG_TCTL 0x0400 /* Transmit Control Register */ #define TCTL_EN (1U << 1) /* transmitter enable */ #define TCTL_PSP (1U << 3) /* pad short packets */ #define TCTL_CT(x) (((x) & 0xff) << 4) /* 4:11 - collision threshold */ #define TCTL_COLD(x) (((x) & 0x3ff) << 12) /* 12:21 - collision distance */ #define TCTL_SWXOFF (1U << 22) /* software XOFF */ #define TCTL_RTLC (1U << 24) /* retransmit on late collision */ #define TCTL_NRTU (1U << 25) /* no retransmit on underrun */ #define TX_COLLISION_THRESHOLD 15 #define TX_COLLISION_DISTANCE_HDX 64 #define TX_COLLISION_DISTANCE_FDX 512 #define WMREG_TQSA_LO 0x0408 #define WMREG_TQSA_HI 0x040c #define WMREG_TIPG 0x0410 /* Transmit IPG Register */ #define TIPG_IPGT(x) (x) /* IPG transmit time */ #define TIPG_IPGR1(x) ((x) << 10) /* IPG receive time 1 */ #define TIPG_IPGR2(x) ((x) << 20) /* IPG receive time 2 */ #define TIPG_WM_DFLT (TIPG_IPGT(0x0a) | TIPG_IPGR1(0x02) | TIPG_IPGR2(0x0a)) #define TIPG_LG_DFLT (TIPG_IPGT(0x06) | TIPG_IPGR1(0x08) | TIPG_IPGR2(0x06)) #define TIPG_1000T_DFLT (TIPG_IPGT(0x08) | TIPG_IPGR1(0x08) | TIPG_IPGR2(0x06)) #define WMREG_TQC 0x0418 #define WMREG_OLD_TBDAL 0x0420 /* Transmit Descriptor Base Lo */ #define WMREG_TBDAL 0x3800 #define WMREG_OLD_TBDAH 0x0424 /* Transmit Descriptor Base Hi */ #define WMREG_TBDAH 0x3804 #define WMREG_OLD_TDLEN 0x0428 /* Transmit Descriptor Length */ #define WMREG_TDLEN 0x3808 #define WMREG_OLD_TDH 0x0430 /* Transmit Descriptor Head */ #define WMREG_TDH 0x3810 #define WMREG_OLD_TDT 0x0438 /* Transmit Descriptor Tail */ #define WMREG_TDT 0x3818 #define WMREG_OLD_TIDV 0x0440 /* Transmit Delay Interrupt Value */ #define WMREG_TIDV 0x3820 #define WMREG_TXDCTL 0x3828 /* Trandmit Descriptor Control */ #define TXDCTL_PTHRESH(x) ((x) << 0) /* prefetch threshold */ #define TXDCTL_HTHRESH(x) ((x) << 8) /* host threshold */ #define TXDCTL_WTHRESH(x) ((x) << 16) /* write back threshold */ #define WMREG_AIT 0x0458 /* Adaptive IFS Throttle */ #define WMREG_VFTA 0x0600 #define WM_MC_TABSIZE 128 #define WM_VLAN_TABSIZE 128 #define WMREG_PBA 0x1000 /* Packet Buffer Allocation */ #define WMREG_TXDMAC 0x3000 /* Transfer DMA Control */ #define TXDMAC_DPP (1U << 0) /* disable packet prefetch */ #define WMREG_TSPMT 0x3830 /* TCP Segmentation Pad and Minimum Threshold (Cordova) */ #define TSPMT_TSMT(x) (x) /* TCP seg min transfer */ #define TSPMT_TSPBP(x) ((x) << 16) /* TCP seg pkt buf padding */ #define WMREG_RXCSUM 0x5000 /* Receive Checksum register */ #define RXCSUM_PCSS 0x000000ff /* Packet Checksum Start */ #define RXCSUM_IPOFL (1U << 8) /* IP checksum offload */ #define RXCSUM_TUOFL (1U << 9) /* TCP/UDP checksum offload */