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|
/*
* Include file for Gigabit Ethernet device driver for Network
* Interface Cards (NICs) utilizing the Tamarack Microelectronics
* Inc. IPG Gigabit or Triple Speed Ethernet Media Access
* Controller.
*/
#ifndef __LINUX_IPG_H
#define __LINUX_IPG_H
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/errno.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <asm/bitops.h>
/*
* Constants
*/
/* GMII based PHY IDs */
#define NS 0x2000
#define MARVELL 0x0141
#define ICPLUS_PHY 0x243
/* NIC Physical Layer Device MII register fields. */
#define MII_PHY_SELECTOR_IEEE8023 0x0001
#define MII_PHY_TECHABILITYFIELD 0x1FE0
/* GMII_PHY_1000 need to set to prefer master */
#define GMII_PHY_1000BASETCONTROL_PreferMaster 0x0400
/* NIC Physical Layer Device GMII constants. */
#define GMII_PREAMBLE 0xFFFFFFFF
#define GMII_ST 0x1
#define GMII_READ 0x2
#define GMII_WRITE 0x1
#define GMII_TA_READ_MASK 0x1
#define GMII_TA_WRITE 0x2
/* I/O register offsets. */
enum ipg_regs {
DMA_CTRL = 0x00,
RX_DMA_STATUS = 0x08, /* Unused + reserved */
TFD_LIST_PTR_0 = 0x10,
TFD_LIST_PTR_1 = 0x14,
TX_DMA_BURST_THRESH = 0x18,
TX_DMA_URGENT_THRESH = 0x19,
TX_DMA_POLL_PERIOD = 0x1a,
RFD_LIST_PTR_0 = 0x1c,
RFD_LIST_PTR_1 = 0x20,
RX_DMA_BURST_THRESH = 0x24,
RX_DMA_URGENT_THRESH = 0x25,
RX_DMA_POLL_PERIOD = 0x26,
DEBUG_CTRL = 0x2c,
ASIC_CTRL = 0x30,
FIFO_CTRL = 0x38, /* Unused */
FLOW_OFF_THRESH = 0x3c,
FLOW_ON_THRESH = 0x3e,
EEPROM_DATA = 0x48,
EEPROM_CTRL = 0x4a,
EXPROM_ADDR = 0x4c, /* Unused */
EXPROM_DATA = 0x50, /* Unused */
WAKE_EVENT = 0x51, /* Unused */
COUNTDOWN = 0x54, /* Unused */
INT_STATUS_ACK = 0x5a,
INT_ENABLE = 0x5c,
INT_STATUS = 0x5e, /* Unused */
TX_STATUS = 0x60,
MAC_CTRL = 0x6c,
VLAN_TAG = 0x70, /* Unused */
PHY_SET = 0x75,
PHY_CTRL = 0x76,
STATION_ADDRESS_0 = 0x78,
STATION_ADDRESS_1 = 0x7a,
STATION_ADDRESS_2 = 0x7c,
MAX_FRAME_SIZE = 0x86,
RECEIVE_MODE = 0x88,
HASHTABLE_0 = 0x8c,
HASHTABLE_1 = 0x90,
RMON_STATISTICS_MASK = 0x98,
STATISTICS_MASK = 0x9c,
RX_JUMBO_FRAMES = 0xbc, /* Unused */
TCP_CHECKSUM_ERRORS = 0xc0, /* Unused */
IP_CHECKSUM_ERRORS = 0xc2, /* Unused */
UDP_CHECKSUM_ERRORS = 0xc4, /* Unused */
TX_JUMBO_FRAMES = 0xf4 /* Unused */
};
/* Ethernet MIB statistic register offsets. */
#define IPG_OCTETRCVOK 0xA8
#define IPG_MCSTOCTETRCVDOK 0xAC
#define IPG_BCSTOCTETRCVOK 0xB0
#define IPG_FRAMESRCVDOK 0xB4
#define IPG_MCSTFRAMESRCVDOK 0xB8
#define IPG_BCSTFRAMESRCVDOK 0xBE
#define IPG_MACCONTROLFRAMESRCVD 0xC6
#define IPG_FRAMETOOLONGERRRORS 0xC8
#define IPG_INRANGELENGTHERRORS 0xCA
#define IPG_FRAMECHECKSEQERRORS 0xCC
#define IPG_FRAMESLOSTRXERRORS 0xCE
#define IPG_OCTETXMTOK 0xD0
#define IPG_MCSTOCTETXMTOK 0xD4
#define IPG_BCSTOCTETXMTOK 0xD8
#define IPG_FRAMESXMTDOK 0xDC
#define IPG_MCSTFRAMESXMTDOK 0xE0
#define IPG_FRAMESWDEFERREDXMT 0xE4
#define IPG_LATECOLLISIONS 0xE8
#define IPG_MULTICOLFRAMES 0xEC
#define IPG_SINGLECOLFRAMES 0xF0
#define IPG_BCSTFRAMESXMTDOK 0xF6
#define IPG_CARRIERSENSEERRORS 0xF8
#define IPG_MACCONTROLFRAMESXMTDOK 0xFA
#define IPG_FRAMESABORTXSCOLLS 0xFC
#define IPG_FRAMESWEXDEFERRAL 0xFE
/* RMON statistic register offsets. */
#define IPG_ETHERSTATSCOLLISIONS 0x100
#define IPG_ETHERSTATSOCTETSTRANSMIT 0x104
#define IPG_ETHERSTATSPKTSTRANSMIT 0x108
#define IPG_ETHERSTATSPKTS64OCTESTSTRANSMIT 0x10C
#define IPG_ETHERSTATSPKTS65TO127OCTESTSTRANSMIT 0x110
#define IPG_ETHERSTATSPKTS128TO255OCTESTSTRANSMIT 0x114
#define IPG_ETHERSTATSPKTS256TO511OCTESTSTRANSMIT 0x118
#define IPG_ETHERSTATSPKTS512TO1023OCTESTSTRANSMIT 0x11C
#define IPG_ETHERSTATSPKTS1024TO1518OCTESTSTRANSMIT 0x120
#define IPG_ETHERSTATSCRCALIGNERRORS 0x124
#define IPG_ETHERSTATSUNDERSIZEPKTS 0x128
#define IPG_ETHERSTATSFRAGMENTS 0x12C
#define IPG_ETHERSTATSJABBERS 0x130
#define IPG_ETHERSTATSOCTETS 0x134
#define IPG_ETHERSTATSPKTS 0x138
#define IPG_ETHERSTATSPKTS64OCTESTS 0x13C
#define IPG_ETHERSTATSPKTS65TO127OCTESTS 0x140
#define IPG_ETHERSTATSPKTS128TO255OCTESTS 0x144
#define IPG_ETHERSTATSPKTS256TO511OCTESTS 0x148
#define IPG_ETHERSTATSPKTS512TO1023OCTESTS 0x14C
#define IPG_ETHERSTATSPKTS1024TO1518OCTESTS 0x150
/* RMON statistic register equivalents. */
#define IPG_ETHERSTATSMULTICASTPKTSTRANSMIT 0xE0
#define IPG_ETHERSTATSBROADCASTPKTSTRANSMIT 0xF6
#define IPG_ETHERSTATSMULTICASTPKTS 0xB8
#define IPG_ETHERSTATSBROADCASTPKTS 0xBE
#define IPG_ETHERSTATSOVERSIZEPKTS 0xC8
#define IPG_ETHERSTATSDROPEVENTS 0xCE
/* Serial EEPROM offsets */
#define IPG_EEPROM_CONFIGPARAM 0x00
#define IPG_EEPROM_ASICCTRL 0x01
#define IPG_EEPROM_SUBSYSTEMVENDORID 0x02
#define IPG_EEPROM_SUBSYSTEMID 0x03
#define IPG_EEPROM_STATIONADDRESS0 0x10
#define IPG_EEPROM_STATIONADDRESS1 0x11
#define IPG_EEPROM_STATIONADDRESS2 0x12
/* Register & data structure bit masks */
/* PCI register masks. */
/* IOBaseAddress */
#define IPG_PIB_RSVD_MASK 0xFFFFFE01
#define IPG_PIB_IOBASEADDRESS 0xFFFFFF00
#define IPG_PIB_IOBASEADDRIND 0x00000001
/* MemBaseAddress */
#define IPG_PMB_RSVD_MASK 0xFFFFFE07
#define IPG_PMB_MEMBASEADDRIND 0x00000001
#define IPG_PMB_MEMMAPTYPE 0x00000006
#define IPG_PMB_MEMMAPTYPE0 0x00000002
#define IPG_PMB_MEMMAPTYPE1 0x00000004
#define IPG_PMB_MEMBASEADDRESS 0xFFFFFE00
/* ConfigStatus */
#define IPG_CS_RSVD_MASK 0xFFB0
#define IPG_CS_CAPABILITIES 0x0010
#define IPG_CS_66MHZCAPABLE 0x0020
#define IPG_CS_FASTBACK2BACK 0x0080
#define IPG_CS_DATAPARITYREPORTED 0x0100
#define IPG_CS_DEVSELTIMING 0x0600
#define IPG_CS_SIGNALEDTARGETABORT 0x0800
#define IPG_CS_RECEIVEDTARGETABORT 0x1000
#define IPG_CS_RECEIVEDMASTERABORT 0x2000
#define IPG_CS_SIGNALEDSYSTEMERROR 0x4000
#define IPG_CS_DETECTEDPARITYERROR 0x8000
/* TFD data structure masks. */
/* TFDList, TFC */
#define IPG_TFC_RSVD_MASK 0x0000FFFF9FFFFFFFULL
#define IPG_TFC_FRAMEID 0x000000000000FFFFULL
#define IPG_TFC_WORDALIGN 0x0000000000030000ULL
#define IPG_TFC_WORDALIGNTODWORD 0x0000000000000000ULL
#define IPG_TFC_WORDALIGNTOWORD 0x0000000000020000ULL
#define IPG_TFC_WORDALIGNDISABLED 0x0000000000030000ULL
#define IPG_TFC_TCPCHECKSUMENABLE 0x0000000000040000ULL
#define IPG_TFC_UDPCHECKSUMENABLE 0x0000000000080000ULL
#define IPG_TFC_IPCHECKSUMENABLE 0x0000000000100000ULL
#define IPG_TFC_FCSAPPENDDISABLE 0x0000000000200000ULL
#define IPG_TFC_TXINDICATE 0x0000000000400000ULL
#define IPG_TFC_TXDMAINDICATE 0x0000000000800000ULL
#define IPG_TFC_FRAGCOUNT 0x000000000F000000ULL
#define IPG_TFC_VLANTAGINSERT 0x0000000010000000ULL
#define IPG_TFC_TFDDONE 0x0000000080000000ULL
#define IPG_TFC_VID 0x00000FFF00000000ULL
#define IPG_TFC_CFI 0x0000100000000000ULL
#define IPG_TFC_USERPRIORITY 0x0000E00000000000ULL
/* TFDList, FragInfo */
#define IPG_TFI_RSVD_MASK 0xFFFF00FFFFFFFFFFULL
#define IPG_TFI_FRAGADDR 0x000000FFFFFFFFFFULL
#define IPG_TFI_FRAGLEN 0xFFFF000000000000ULL
/* RFD data structure masks. */
/* RFDList, RFS */
#define IPG_RFS_RSVD_MASK 0x0000FFFFFFFFFFFFULL
#define IPG_RFS_RXFRAMELEN 0x000000000000FFFFULL
#define IPG_RFS_RXFIFOOVERRUN 0x0000000000010000ULL
#define IPG_RFS_RXRUNTFRAME 0x0000000000020000ULL
#define IPG_RFS_RXALIGNMENTERROR 0x0000000000040000ULL
#define IPG_RFS_RXFCSERROR 0x0000000000080000ULL
#define IPG_RFS_RXOVERSIZEDFRAME 0x0000000000100000ULL
#define IPG_RFS_RXLENGTHERROR 0x0000000000200000ULL
#define IPG_RFS_VLANDETECTED 0x0000000000400000ULL
#define IPG_RFS_TCPDETECTED 0x0000000000800000ULL
#define IPG_RFS_TCPERROR 0x0000000001000000ULL
#define IPG_RFS_UDPDETECTED 0x0000000002000000ULL
#define IPG_RFS_UDPERROR 0x0000000004000000ULL
#define IPG_RFS_IPDETECTED 0x0000000008000000ULL
#define IPG_RFS_IPERROR 0x0000000010000000ULL
#define IPG_RFS_FRAMESTART 0x0000000020000000ULL
#define IPG_RFS_FRAMEEND 0x0000000040000000ULL
#define IPG_RFS_RFDDONE 0x0000000080000000ULL
#define IPG_RFS_TCI 0x0000FFFF00000000ULL
/* RFDList, FragInfo */
#define IPG_RFI_RSVD_MASK 0xFFFF00FFFFFFFFFFULL
#define IPG_RFI_FRAGADDR 0x000000FFFFFFFFFFULL
#define IPG_RFI_FRAGLEN 0xFFFF000000000000ULL
/* I/O Register masks. */
/* RMON Statistics Mask */
#define IPG_RZ_ALL 0x0FFFFFFF
/* Statistics Mask */
#define IPG_SM_ALL 0x0FFFFFFF
#define IPG_SM_OCTETRCVOK_FRAMESRCVDOK 0x00000001
#define IPG_SM_MCSTOCTETRCVDOK_MCSTFRAMESRCVDOK 0x00000002
#define IPG_SM_BCSTOCTETRCVDOK_BCSTFRAMESRCVDOK 0x00000004
#define IPG_SM_RXJUMBOFRAMES 0x00000008
#define IPG_SM_TCPCHECKSUMERRORS 0x00000010
#define IPG_SM_IPCHECKSUMERRORS 0x00000020
#define IPG_SM_UDPCHECKSUMERRORS 0x00000040
#define IPG_SM_MACCONTROLFRAMESRCVD 0x00000080
#define IPG_SM_FRAMESTOOLONGERRORS 0x00000100
#define IPG_SM_INRANGELENGTHERRORS 0x00000200
#define IPG_SM_FRAMECHECKSEQERRORS 0x00000400
#define IPG_SM_FRAMESLOSTRXERRORS 0x00000800
#define IPG_SM_OCTETXMTOK_FRAMESXMTOK 0x00001000
#define IPG_SM_MCSTOCTETXMTOK_MCSTFRAMESXMTDOK 0x00002000
#define IPG_SM_BCSTOCTETXMTOK_BCSTFRAMESXMTDOK 0x00004000
#define IPG_SM_FRAMESWDEFERREDXMT 0x00008000
#define IPG_SM_LATECOLLISIONS 0x00010000
#define IPG_SM_MULTICOLFRAMES 0x00020000
#define IPG_SM_SINGLECOLFRAMES 0x00040000
#define IPG_SM_TXJUMBOFRAMES 0x00080000
#define IPG_SM_CARRIERSENSEERRORS 0x00100000
#define IPG_SM_MACCONTROLFRAMESXMTD 0x00200000
#define IPG_SM_FRAMESABORTXSCOLLS 0x00400000
#define IPG_SM_FRAMESWEXDEFERAL 0x00800000
/* Countdown */
#define IPG_CD_RSVD_MASK 0x0700FFFF
#define IPG_CD_COUNT 0x0000FFFF
#define IPG_CD_COUNTDOWNSPEED 0x01000000
#define IPG_CD_COUNTDOWNMODE 0x02000000
#define IPG_CD_COUNTINTENABLED 0x04000000
/* TxDMABurstThresh */
#define IPG_TB_RSVD_MASK 0xFF
/* TxDMAUrgentThresh */
#define IPG_TU_RSVD_MASK 0xFF
/* TxDMAPollPeriod */
#define IPG_TP_RSVD_MASK 0xFF
/* RxDMAUrgentThresh */
#define IPG_RU_RSVD_MASK 0xFF
/* RxDMAPollPeriod */
#define IPG_RP_RSVD_MASK 0xFF
/* ReceiveMode */
#define IPG_RM_RSVD_MASK 0x3F
#define IPG_RM_RECEIVEUNICAST 0x01
#define IPG_RM_RECEIVEMULTICAST 0x02
#define IPG_RM_RECEIVEBROADCAST 0x04
#define IPG_RM_RECEIVEALLFRAMES 0x08
#define IPG_RM_RECEIVEMULTICASTHASH 0x10
#define IPG_RM_RECEIVEIPMULTICAST 0x20
/* PhySet */
#define IPG_PS_MEM_LENB9B 0x01
#define IPG_PS_MEM_LEN9 0x02
#define IPG_PS_NON_COMPDET 0x04
/* PhyCtrl */
#define IPG_PC_RSVD_MASK 0xFF
#define IPG_PC_MGMTCLK_LO 0x00
#define IPG_PC_MGMTCLK_HI 0x01
#define IPG_PC_MGMTCLK 0x01
#define IPG_PC_MGMTDATA 0x02
#define IPG_PC_MGMTDIR 0x04
#define IPG_PC_DUPLEX_POLARITY 0x08
#define IPG_PC_DUPLEX_STATUS 0x10
#define IPG_PC_LINK_POLARITY 0x20
#define IPG_PC_LINK_SPEED 0xC0
#define IPG_PC_LINK_SPEED_10MBPS 0x40
#define IPG_PC_LINK_SPEED_100MBPS 0x80
#define IPG_PC_LINK_SPEED_1000MBPS 0xC0
/* DMACtrl */
#define IPG_DC_RSVD_MASK 0xC07D9818
#define IPG_DC_RX_DMA_COMPLETE 0x00000008
#define IPG_DC_RX_DMA_POLL_NOW 0x00000010
#define IPG_DC_TX_DMA_COMPLETE 0x00000800
#define IPG_DC_TX_DMA_POLL_NOW 0x00001000
#define IPG_DC_TX_DMA_IN_PROG 0x00008000
#define IPG_DC_RX_EARLY_DISABLE 0x00010000
#define IPG_DC_MWI_DISABLE 0x00040000
#define IPG_DC_TX_WRITE_BACK_DISABLE 0x00080000
#define IPG_DC_TX_BURST_LIMIT 0x00700000
#define IPG_DC_TARGET_ABORT 0x40000000
#define IPG_DC_MASTER_ABORT 0x80000000
/* ASICCtrl */
#define IPG_AC_RSVD_MASK 0x07FFEFF2
#define IPG_AC_EXP_ROM_SIZE 0x00000002
#define IPG_AC_PHY_SPEED10 0x00000010
#define IPG_AC_PHY_SPEED100 0x00000020
#define IPG_AC_PHY_SPEED1000 0x00000040
#define IPG_AC_PHY_MEDIA 0x00000080
#define IPG_AC_FORCED_CFG 0x00000700
#define IPG_AC_D3RESETDISABLE 0x00000800
#define IPG_AC_SPEED_UP_MODE 0x00002000
#define IPG_AC_LED_MODE 0x00004000
#define IPG_AC_RST_OUT_POLARITY 0x00008000
#define IPG_AC_GLOBAL_RESET 0x00010000
#define IPG_AC_RX_RESET 0x00020000
#define IPG_AC_TX_RESET 0x00040000
#define IPG_AC_DMA 0x00080000
#define IPG_AC_FIFO 0x00100000
#define IPG_AC_NETWORK 0x00200000
#define IPG_AC_HOST 0x00400000
#define IPG_AC_AUTO_INIT 0x00800000
#define IPG_AC_RST_OUT 0x01000000
#define IPG_AC_INT_REQUEST 0x02000000
#define IPG_AC_RESET_BUSY 0x04000000
#define IPG_AC_LED_SPEED 0x08000000
#define IPG_AC_LED_MODE_BIT_1 0x20000000
/* EepromCtrl */
#define IPG_EC_RSVD_MASK 0x83FF
#define IPG_EC_EEPROM_ADDR 0x00FF
#define IPG_EC_EEPROM_OPCODE 0x0300
#define IPG_EC_EEPROM_SUBCOMMAD 0x0000
#define IPG_EC_EEPROM_WRITEOPCODE 0x0100
#define IPG_EC_EEPROM_READOPCODE 0x0200
#define IPG_EC_EEPROM_ERASEOPCODE 0x0300
#define IPG_EC_EEPROM_BUSY 0x8000
/* FIFOCtrl */
#define IPG_FC_RSVD_MASK 0xC001
#define IPG_FC_RAM_TEST_MODE 0x0001
#define IPG_FC_TRANSMITTING 0x4000
#define IPG_FC_RECEIVING 0x8000
/* TxStatus */
#define IPG_TS_RSVD_MASK 0xFFFF00DD
#define IPG_TS_TX_ERROR 0x00000001
#define IPG_TS_LATE_COLLISION 0x00000004
#define IPG_TS_TX_MAX_COLL 0x00000008
#define IPG_TS_TX_UNDERRUN 0x00000010
#define IPG_TS_TX_IND_REQD 0x00000040
#define IPG_TS_TX_COMPLETE 0x00000080
#define IPG_TS_TX_FRAMEID 0xFFFF0000
/* WakeEvent */
#define IPG_WE_WAKE_PKT_ENABLE 0x01
#define IPG_WE_MAGIC_PKT_ENABLE 0x02
#define IPG_WE_LINK_EVT_ENABLE 0x04
#define IPG_WE_WAKE_POLARITY 0x08
#define IPG_WE_WAKE_PKT_EVT 0x10
#define IPG_WE_MAGIC_PKT_EVT 0x20
#define IPG_WE_LINK_EVT 0x40
#define IPG_WE_WOL_ENABLE 0x80
/* IntEnable */
#define IPG_IE_RSVD_MASK 0x1FFE
#define IPG_IE_HOST_ERROR 0x0002
#define IPG_IE_TX_COMPLETE 0x0004
#define IPG_IE_MAC_CTRL_FRAME 0x0008
#define IPG_IE_RX_COMPLETE 0x0010
#define IPG_IE_RX_EARLY 0x0020
#define IPG_IE_INT_REQUESTED 0x0040
#define IPG_IE_UPDATE_STATS 0x0080
#define IPG_IE_LINK_EVENT 0x0100
#define IPG_IE_TX_DMA_COMPLETE 0x0200
#define IPG_IE_RX_DMA_COMPLETE 0x0400
#define IPG_IE_RFD_LIST_END 0x0800
#define IPG_IE_RX_DMA_PRIORITY 0x1000
/* IntStatus */
#define IPG_IS_RSVD_MASK 0x1FFF
#define IPG_IS_INTERRUPT_STATUS 0x0001
#define IPG_IS_HOST_ERROR 0x0002
#define IPG_IS_TX_COMPLETE 0x0004
#define IPG_IS_MAC_CTRL_FRAME 0x0008
#define IPG_IS_RX_COMPLETE 0x0010
#define IPG_IS_RX_EARLY 0x0020
#define IPG_IS_INT_REQUESTED 0x0040
#define IPG_IS_UPDATE_STATS 0x0080
#define IPG_IS_LINK_EVENT 0x0100
#define IPG_IS_TX_DMA_COMPLETE 0x0200
#define IPG_IS_RX_DMA_COMPLETE 0x0400
#define IPG_IS_RFD_LIST_END 0x0800
#define IPG_IS_RX_DMA_PRIORITY 0x1000
/* MACCtrl */
#define IPG_MC_RSVD_MASK 0x7FE33FA3
#define IPG_MC_IFS_SELECT 0x00000003
#define IPG_MC_IFS_4352BIT 0x00000003
#define IPG_MC_IFS_1792BIT 0x00000002
#define IPG_MC_IFS_1024BIT 0x00000001
#define IPG_MC_IFS_96BIT 0x00000000
#define IPG_MC_DUPLEX_SELECT 0x00000020
#define IPG_MC_DUPLEX_SELECT_FD 0x00000020
#define IPG_MC_DUPLEX_SELECT_HD 0x00000000
#define IPG_MC_TX_FLOW_CONTROL_ENABLE 0x00000080
#define IPG_MC_RX_FLOW_CONTROL_ENABLE 0x00000100
#define IPG_MC_RCV_FCS 0x00000200
#define IPG_MC_FIFO_LOOPBACK 0x00000400
#define IPG_MC_MAC_LOOPBACK 0x00000800
#define IPG_MC_AUTO_VLAN_TAGGING 0x00001000
#define IPG_MC_AUTO_VLAN_UNTAGGING 0x00002000
#define IPG_MC_COLLISION_DETECT 0x00010000
#define IPG_MC_CARRIER_SENSE 0x00020000
#define IPG_MC_STATISTICS_ENABLE 0x00200000
#define IPG_MC_STATISTICS_DISABLE 0x00400000
#define IPG_MC_STATISTICS_ENABLED 0x00800000
#define IPG_MC_TX_ENABLE 0x01000000
#define IPG_MC_TX_DISABLE 0x02000000
#define IPG_MC_TX_ENABLED 0x04000000
#define IPG_MC_RX_ENABLE 0x08000000
#define IPG_MC_RX_DISABLE 0x10000000
#define IPG_MC_RX_ENABLED 0x20000000
#define IPG_MC_PAUSED 0x40000000
/*
* Tune
*/
/* Assign IPG_APPEND_FCS_ON_TX > 0 for auto FCS append on TX. */
#define IPG_APPEND_FCS_ON_TX 1
/* Assign IPG_APPEND_FCS_ON_TX > 0 for auto FCS strip on RX. */
#define IPG_STRIP_FCS_ON_RX 1
/* Assign IPG_DROP_ON_RX_ETH_ERRORS > 0 to drop RX frames with
* Ethernet errors.
*/
#define IPG_DROP_ON_RX_ETH_ERRORS 1
/* Assign IPG_INSERT_MANUAL_VLAN_TAG > 0 to insert VLAN tags manually
* (via TFC).
*/
#define IPG_INSERT_MANUAL_VLAN_TAG 0
/* Assign IPG_ADD_IPCHECKSUM_ON_TX > 0 for auto IP checksum on TX. */
#define IPG_ADD_IPCHECKSUM_ON_TX 0
/* Assign IPG_ADD_TCPCHECKSUM_ON_TX > 0 for auto TCP checksum on TX.
* DO NOT USE FOR SILICON REVISIONS B3 AND EARLIER.
*/
#define IPG_ADD_TCPCHECKSUM_ON_TX 0
/* Assign IPG_ADD_UDPCHECKSUM_ON_TX > 0 for auto UDP checksum on TX.
* DO NOT USE FOR SILICON REVISIONS B3 AND EARLIER.
*/
#define IPG_ADD_UDPCHECKSUM_ON_TX 0
/* If inserting VLAN tags manually, assign the IPG_MANUAL_VLAN_xx
* constants as desired.
*/
#define IPG_MANUAL_VLAN_VID 0xABC
#define IPG_MANUAL_VLAN_CFI 0x1
#define IPG_MANUAL_VLAN_USERPRIORITY 0x5
#define IPG_IO_REG_RANGE 0xFF
#define IPG_MEM_REG_RANGE 0x154
#define IPG_DRIVER_NAME "Sundance Technology IPG Triple-Speed Ethernet"
#define IPG_NIC_PHY_ADDRESS 0x01
#define IPG_DMALIST_ALIGN_PAD 0x07
#define IPG_MULTICAST_HASHTABLE_SIZE 0x40
/* Number of milliseconds to wait after issuing a software reset.
* 0x05 <= IPG_AC_RESETWAIT to account for proper 10Mbps operation.
*/
#define IPG_AC_RESETWAIT 0x05
/* Number of IPG_AC_RESETWAIT timeperiods before declaring timeout. */
#define IPG_AC_RESET_TIMEOUT 0x0A
/* Minimum number of nanoseconds used to toggle MDC clock during
* MII/GMII register access.
*/
#define IPG_PC_PHYCTRLWAIT_NS 200
#define IPG_TFDLIST_LENGTH 0x100
/* Number of frames between TxDMAComplete interrupt.
* 0 < IPG_FRAMESBETWEENTXDMACOMPLETES <= IPG_TFDLIST_LENGTH
*/
#define IPG_FRAMESBETWEENTXDMACOMPLETES 0x1
#define IPG_RFDLIST_LENGTH 0x100
/* Maximum number of RFDs to process per interrupt.
* 1 < IPG_MAXRFDPROCESS_COUNT < IPG_RFDLIST_LENGTH
*/
#define IPG_MAXRFDPROCESS_COUNT 0x80
/* Minimum margin between last freed RFD, and current RFD.
* 1 < IPG_MINUSEDRFDSTOFREE < IPG_RFDLIST_LENGTH
*/
#define IPG_MINUSEDRFDSTOFREE 0x80
/* specify the jumbo frame maximum size
* per unit is 0x600 (the rx_buffer size that one RFD can carry)
*/
#define MAX_JUMBOSIZE 0x8 /* max is 12K */
/* Key register values loaded at driver start up. */
/* TXDMAPollPeriod is specified in 320ns increments.
*
* Value Time
* ---------------------
* 0x00-0x01 320ns
* 0x03 ~1us
* 0x1F ~10us
* 0xFF ~82us
*/
#define IPG_TXDMAPOLLPERIOD_VALUE 0x26
/* TxDMAUrgentThresh specifies the minimum amount of
* data in the transmit FIFO before asserting an
* urgent transmit DMA request.
*
* Value Min TxFIFO occupied space before urgent TX request
* ---------------------------------------------------------------
* 0x00-0x04 128 bytes (1024 bits)
* 0x27 1248 bytes (~10000 bits)
* 0x30 1536 bytes (12288 bits)
* 0xFF 8192 bytes (65535 bits)
*/
#define IPG_TXDMAURGENTTHRESH_VALUE 0x04
/* TxDMABurstThresh specifies the minimum amount of
* free space in the transmit FIFO before asserting an
* transmit DMA request.
*
* Value Min TxFIFO free space before TX request
* ----------------------------------------------------
* 0x00-0x08 256 bytes
* 0x30 1536 bytes
* 0xFF 8192 bytes
*/
#define IPG_TXDMABURSTTHRESH_VALUE 0x30
/* RXDMAPollPeriod is specified in 320ns increments.
*
* Value Time
* ---------------------
* 0x00-0x01 320ns
* 0x03 ~1us
* 0x1F ~10us
* 0xFF ~82us
*/
#define IPG_RXDMAPOLLPERIOD_VALUE 0x01
/* RxDMAUrgentThresh specifies the minimum amount of
* free space within the receive FIFO before asserting
* a urgent receive DMA request.
*
* Value Min RxFIFO free space before urgent RX request
* ---------------------------------------------------------------
* 0x00-0x04 128 bytes (1024 bits)
* 0x27 1248 bytes (~10000 bits)
* 0x30 1536 bytes (12288 bits)
* 0xFF 8192 bytes (65535 bits)
*/
#define IPG_RXDMAURGENTTHRESH_VALUE 0x30
/* RxDMABurstThresh specifies the minimum amount of
* occupied space within the receive FIFO before asserting
* a receive DMA request.
*
* Value Min TxFIFO free space before TX request
* ----------------------------------------------------
* 0x00-0x08 256 bytes
* 0x30 1536 bytes
* 0xFF 8192 bytes
*/
#define IPG_RXDMABURSTTHRESH_VALUE 0x30
/* FlowOnThresh specifies the maximum amount of occupied
* space in the receive FIFO before a PAUSE frame with
* maximum pause time transmitted.
*
* Value Max RxFIFO occupied space before PAUSE
* ---------------------------------------------------
* 0x0000 0 bytes
* 0x0740 29,696 bytes
* 0x07FF 32,752 bytes
*/
#define IPG_FLOWONTHRESH_VALUE 0x0740
/* FlowOffThresh specifies the minimum amount of occupied
* space in the receive FIFO before a PAUSE frame with
* zero pause time is transmitted.
*
* Value Max RxFIFO occupied space before PAUSE
* ---------------------------------------------------
* 0x0000 0 bytes
* 0x00BF 3056 bytes
* 0x07FF 32,752 bytes
*/
#define IPG_FLOWOFFTHRESH_VALUE 0x00BF
/*
* Miscellaneous macros.
*/
/* Macros for printing debug statements. */
#ifdef IPG_DEBUG
# define IPG_DEBUG_MSG(fmt, args...) \
do { \
if (0) \
printk(KERN_DEBUG "IPG: " fmt, ##args); \
} while (0)
# define IPG_DDEBUG_MSG(fmt, args...) \
printk(KERN_DEBUG "IPG: " fmt, ##args)
# define IPG_DUMPRFDLIST(args) ipg_dump_rfdlist(args)
# define IPG_DUMPTFDLIST(args) ipg_dump_tfdlist(args)
#else
# define IPG_DEBUG_MSG(fmt, args...) \
do { \
if (0) \
printk(KERN_DEBUG "IPG: " fmt, ##args); \
} while (0)
# define IPG_DDEBUG_MSG(fmt, args...) \
do { \
if (0) \
printk(KERN_DEBUG "IPG: " fmt, ##args); \
} while (0)
# define IPG_DUMPRFDLIST(args)
# define IPG_DUMPTFDLIST(args)
#endif
/*
* End miscellaneous macros.
*/
/* Transmit Frame Descriptor. The IPG supports 15 fragments,
* however Linux requires only a single fragment. Note, each
* TFD field is 64 bits wide.
*/
struct ipg_tx {
__le64 next_desc;
__le64 tfc;
__le64 frag_info;
};
/* Receive Frame Descriptor. Note, each RFD field is 64 bits wide.
*/
struct ipg_rx {
__le64 next_desc;
__le64 rfs;
__le64 frag_info;
};
struct ipg_jumbo {
int found_start;
int current_size;
struct sk_buff *skb;
};
/* Structure of IPG NIC specific data. */
struct ipg_nic_private {
void __iomem *ioaddr;
struct ipg_tx *txd;
struct ipg_rx *rxd;
dma_addr_t txd_map;
dma_addr_t rxd_map;
struct sk_buff *tx_buff[IPG_TFDLIST_LENGTH];
struct sk_buff *rx_buff[IPG_RFDLIST_LENGTH];
unsigned int tx_current;
unsigned int tx_dirty;
unsigned int rx_current;
unsigned int rx_dirty;
bool is_jumbo;
struct ipg_jumbo jumbo;
unsigned long rxfrag_size;
unsigned long rxsupport_size;
unsigned long max_rxframe_size;
unsigned int rx_buf_sz;
struct pci_dev *pdev;
struct net_device *dev;
struct net_device_stats stats;
spinlock_t lock;
int tenmbpsmode;
u16 led_mode;
u16 station_addr[3]; /* Station Address in EEPROM Reg 0x10..0x12 */
struct mutex mii_mutex;
struct mii_if_info mii_if;
int reset_current_tfd;
#ifdef IPG_DEBUG
int RFDlistendCount;
int RFDListCheckedCount;
int EmptyRFDListCount;
#endif
struct delayed_work task;
};
#endif /* __LINUX_IPG_H */
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