/* $Id: sunhme.h,v 1.33 2001/08/03 06:23:04 davem Exp $ * sunhme.h: Definitions for Sparc HME/BigMac 10/100baseT ethernet driver. * Also known as the "Happy Meal". * * Copyright (C) 1996, 1999 David S. Miller (davem@redhat.com) */ #ifndef _SUNHME_H #define _SUNHME_H #include <linux/config.h> #include <linux/pci.h> /* Happy Meal global registers. */ #define GREG_SWRESET 0x000UL /* Software Reset */ #define GREG_CFG 0x004UL /* Config Register */ #define GREG_STAT 0x108UL /* Status */ #define GREG_IMASK 0x10cUL /* Interrupt Mask */ #define GREG_REG_SIZE 0x110UL /* Global reset register. */ #define GREG_RESET_ETX 0x01 #define GREG_RESET_ERX 0x02 #define GREG_RESET_ALL 0x03 /* Global config register. */ #define GREG_CFG_BURSTMSK 0x03 #define GREG_CFG_BURST16 0x00 #define GREG_CFG_BURST32 0x01 #define GREG_CFG_BURST64 0x02 #define GREG_CFG_64BIT 0x04 #define GREG_CFG_PARITY 0x08 #define GREG_CFG_RESV 0x10 /* Global status register. */ #define GREG_STAT_GOTFRAME 0x00000001 /* Received a frame */ #define GREG_STAT_RCNTEXP 0x00000002 /* Receive frame counter expired */ #define GREG_STAT_ACNTEXP 0x00000004 /* Align-error counter expired */ #define GREG_STAT_CCNTEXP 0x00000008 /* CRC-error counter expired */ #define GREG_STAT_LCNTEXP 0x00000010 /* Length-error counter expired */ #define GREG_STAT_RFIFOVF 0x00000020 /* Receive FIFO overflow */ #define GREG_STAT_CVCNTEXP 0x00000040 /* Code-violation counter expired */ #define GREG_STAT_STSTERR 0x00000080 /* Test error in XIF for SQE */ #define GREG_STAT_SENTFRAME 0x00000100 /* Transmitted a frame */ #define GREG_STAT_TFIFO_UND 0x00000200 /* Transmit FIFO underrun */ #define GREG_STAT_MAXPKTERR 0x00000400 /* Max-packet size error */ #define GREG_STAT_NCNTEXP 0x00000800 /* Normal-collision counter expired */ #define GREG_STAT_ECNTEXP 0x00001000 /* Excess-collision counter expired */ #define GREG_STAT_LCCNTEXP 0x00002000 /* Late-collision counter expired */ #define GREG_STAT_FCNTEXP 0x00004000 /* First-collision counter expired */ #define GREG_STAT_DTIMEXP 0x00008000 /* Defer-timer expired */ #define GREG_STAT_RXTOHOST 0x00010000 /* Moved from receive-FIFO to host memory */ #define GREG_STAT_NORXD 0x00020000 /* No more receive descriptors */ #define GREG_STAT_RXERR 0x00040000 /* Error during receive dma */ #define GREG_STAT_RXLATERR 0x00080000 /* Late error during receive dma */ #define GREG_STAT_RXPERR 0x00100000 /* Parity error during receive dma */ #define GREG_STAT_RXTERR 0x00200000 /* Tag error during receive dma */ #define GREG_STAT_EOPERR 0x00400000 /* Transmit descriptor did not have EOP set */ #define GREG_STAT_MIFIRQ 0x00800000 /* MIF is signaling an interrupt condition */ #define GREG_STAT_HOSTTOTX 0x01000000 /* Moved from host memory to transmit-FIFO */ #define GREG_STAT_TXALL 0x02000000 /* Transmitted all packets in the tx-fifo */ #define GREG_STAT_TXEACK 0x04000000 /* Error during transmit dma */ #define GREG_STAT_TXLERR 0x08000000 /* Late error during transmit dma */ #define GREG_STAT_TXPERR 0x10000000 /* Parity error during transmit dma */ #define GREG_STAT_TXTERR 0x20000000 /* Tag error during transmit dma */ #define GREG_STAT_SLVERR 0x40000000 /* PIO access got an error */ #define GREG_STAT_SLVPERR 0x80000000 /* PIO access got a parity error */ /* All interesting error conditions. */ #define GREG_STAT_ERRORS 0xfc7efefc /* Global interrupt mask register. */ #define GREG_IMASK_GOTFRAME 0x00000001 /* Received a frame */ #define GREG_IMASK_RCNTEXP 0x00000002 /* Receive frame counter expired */ #define GREG_IMASK_ACNTEXP 0x00000004 /* Align-error counter expired */ #define GREG_IMASK_CCNTEXP 0x00000008 /* CRC-error counter expired */ #define GREG_IMASK_LCNTEXP 0x00000010 /* Length-error counter expired */ #define GREG_IMASK_RFIFOVF 0x00000020 /* Receive FIFO overflow */ #define GREG_IMASK_CVCNTEXP 0x00000040 /* Code-violation counter expired */ #define GREG_IMASK_STSTERR 0x00000080 /* Test error in XIF for SQE */ #define GREG_IMASK_SENTFRAME 0x00000100 /* Transmitted a frame */ #define GREG_IMASK_TFIFO_UND 0x00000200 /* Transmit FIFO underrun */ #define GREG_IMASK_MAXPKTERR 0x00000400 /* Max-packet size error */ #define GREG_IMASK_NCNTEXP 0x00000800 /* Normal-collision counter expired */ #define GREG_IMASK_ECNTEXP 0x00001000 /* Excess-collision counter expired */ #define GREG_IMASK_LCCNTEXP 0x00002000 /* Late-collision counter expired */ #define GREG_IMASK_FCNTEXP 0x00004000 /* First-collision counter expired */ #define GREG_IMASK_DTIMEXP 0x00008000 /* Defer-timer expired */ #define GREG_IMASK_RXTOHOST 0x00010000 /* Moved from receive-FIFO to host memory */ #define GREG_IMASK_NORXD 0x00020000 /* No more receive descriptors */ #define GREG_IMASK_RXERR 0x00040000 /* Error during receive dma */ #define GREG_IMASK_RXLATERR 0x00080000 /* Late error during receive dma */ #define GREG_IMASK_RXPERR 0x00100000 /* Parity error during receive dma */ #define GREG_IMASK_RXTERR 0x00200000 /* Tag error during receive dma */ #define GREG_IMASK_EOPERR 0x00400000 /* Transmit descriptor did not have EOP set */ #define GREG_IMASK_MIFIRQ 0x00800000 /* MIF is signaling an interrupt condition */ #define GREG_IMASK_HOSTTOTX 0x01000000 /* Moved from host memory to transmit-FIFO */ #define GREG_IMASK_TXALL 0x02000000 /* Transmitted all packets in the tx-fifo */ #define GREG_IMASK_TXEACK 0x04000000 /* Error during transmit dma */ #define GREG_IMASK_TXLERR 0x08000000 /* Late error during transmit dma */ #define GREG_IMASK_TXPERR 0x10000000 /* Parity error during transmit dma */ #define GREG_IMASK_TXTERR 0x20000000 /* Tag error during transmit dma */ #define GREG_IMASK_SLVERR 0x40000000 /* PIO access got an error */ #define GREG_IMASK_SLVPERR 0x80000000 /* PIO access got a parity error */ /* Happy Meal external transmitter registers. */ #define ETX_PENDING 0x00UL /* Transmit pending/wakeup register */ #define ETX_CFG 0x04UL /* Transmit config register */ #define ETX_RING 0x08UL /* Transmit ring pointer */ #define ETX_BBASE 0x0cUL /* Transmit buffer base */ #define ETX_BDISP 0x10UL /* Transmit buffer displacement */ #define ETX_FIFOWPTR 0x14UL /* FIFO write ptr */ #define ETX_FIFOSWPTR 0x18UL /* FIFO write ptr (shadow register) */ #define ETX_FIFORPTR 0x1cUL /* FIFO read ptr */ #define ETX_FIFOSRPTR 0x20UL /* FIFO read ptr (shadow register) */ #define ETX_FIFOPCNT 0x24UL /* FIFO packet counter */ #define ETX_SMACHINE 0x28UL /* Transmitter state machine */ #define ETX_RSIZE 0x2cUL /* Ring descriptor size */ #define ETX_BPTR 0x30UL /* Transmit data buffer ptr */ #define ETX_REG_SIZE 0x34UL /* ETX transmit pending register. */ #define ETX_TP_DMAWAKEUP 0x00000001 /* Restart transmit dma */ /* ETX config register. */ #define ETX_CFG_DMAENABLE 0x00000001 /* Enable transmit dma */ #define ETX_CFG_FIFOTHRESH 0x000003fe /* Transmit FIFO threshold */ #define ETX_CFG_IRQDAFTER 0x00000400 /* Interrupt after TX-FIFO drained */ #define ETX_CFG_IRQDBEFORE 0x00000000 /* Interrupt before TX-FIFO drained */ #define ETX_RSIZE_SHIFT 4 /* Happy Meal external receiver registers. */ #define ERX_CFG 0x00UL /* Receiver config register */ #define ERX_RING 0x04UL /* Receiver ring ptr */ #define ERX_BPTR 0x08UL /* Receiver buffer ptr */ #define ERX_FIFOWPTR 0x0cUL /* FIFO write ptr */ #define ERX_FIFOSWPTR 0x10UL /* FIFO write ptr (shadow register) */ #define ERX_FIFORPTR 0x14UL /* FIFO read ptr */ #define ERX_FIFOSRPTR 0x18UL /* FIFO read ptr (shadow register) */ #define ERX_SMACHINE 0x1cUL /* Receiver state machine */ #define ERX_REG_SIZE 0x20UL /* ERX config register. */ #define ERX_CFG_DMAENABLE 0x00000001 /* Enable receive DMA */ #define ERX_CFG_RESV1 0x00000006 /* Unused... */ #define ERX_CFG_BYTEOFFSET 0x00000038 /* Receive first byte offset */ #define ERX_CFG_RESV2 0x000001c0 /* Unused... */ #define ERX_CFG_SIZE32 0x00000000 /* Receive ring size == 32 */ #define ERX_CFG_SIZE64 0x00000200 /* Receive ring size == 64 */ #define ERX_CFG_SIZE128 0x00000400 /* Receive ring size == 128 */ #define ERX_CFG_SIZE256 0x00000600 /* Receive ring size == 256 */ #define ERX_CFG_RESV3 0x0000f800 /* Unused... */ #define ERX_CFG_CSUMSTART 0x007f0000 /* Offset of checksum start, * in halfwords. */ /* I'd like a Big Mac, small fries, small coke, and SparcLinux please. */ #define BMAC_XIFCFG 0x0000UL /* XIF config register */ /* 0x4-->0x204, reserved */ #define BMAC_TXSWRESET 0x208UL /* Transmitter software reset */ #define BMAC_TXCFG 0x20cUL /* Transmitter config register */ #define BMAC_IGAP1 0x210UL /* Inter-packet gap 1 */ #define BMAC_IGAP2 0x214UL /* Inter-packet gap 2 */ #define BMAC_ALIMIT 0x218UL /* Transmit attempt limit */ #define BMAC_STIME 0x21cUL /* Transmit slot time */ #define BMAC_PLEN 0x220UL /* Size of transmit preamble */ #define BMAC_PPAT 0x224UL /* Pattern for transmit preamble */ #define BMAC_TXSDELIM 0x228UL /* Transmit delimiter */ #define BMAC_JSIZE 0x22cUL /* Jam size */ #define BMAC_TXMAX 0x230UL /* Transmit max pkt size */ #define BMAC_TXMIN 0x234UL /* Transmit min pkt size */ #define BMAC_PATTEMPT 0x238UL /* Count of transmit peak attempts */ #define BMAC_DTCTR 0x23cUL /* Transmit defer timer */ #define BMAC_NCCTR 0x240UL /* Transmit normal-collision counter */ #define BMAC_FCCTR 0x244UL /* Transmit first-collision counter */ #define BMAC_EXCTR 0x248UL /* Transmit excess-collision counter */ #define BMAC_LTCTR 0x24cUL /* Transmit late-collision counter */ #define BMAC_RSEED 0x250UL /* Transmit random number seed */ #define BMAC_TXSMACHINE 0x254UL /* Transmit state machine */ /* 0x258-->0x304, reserved */ #define BMAC_RXSWRESET 0x308UL /* Receiver software reset */ #define BMAC_RXCFG 0x30cUL /* Receiver config register */ #define BMAC_RXMAX 0x310UL /* Receive max pkt size */ #define BMAC_RXMIN 0x314UL /* Receive min pkt size */ #define BMAC_MACADDR2 0x318UL /* Ether address register 2 */ #define BMAC_MACADDR1 0x31cUL /* Ether address register 1 */ #define BMAC_MACADDR0 0x320UL /* Ether address register 0 */ #define BMAC_FRCTR 0x324UL /* Receive frame receive counter */ #define BMAC_GLECTR 0x328UL /* Receive giant-length error counter */ #define BMAC_UNALECTR 0x32cUL /* Receive unaligned error counter */ #define BMAC_RCRCECTR 0x330UL /* Receive CRC error counter */ #define BMAC_RXSMACHINE 0x334UL /* Receiver state machine */ #define BMAC_RXCVALID 0x338UL /* Receiver code violation */ /* 0x33c, reserved */ #define BMAC_HTABLE3 0x340UL /* Hash table 3 */ #define BMAC_HTABLE2 0x344UL /* Hash table 2 */ #define BMAC_HTABLE1 0x348UL /* Hash table 1 */ #define BMAC_HTABLE0 0x34cUL /* Hash table 0 */ #define BMAC_AFILTER2 0x350UL /* Address filter 2 */ #define BMAC_AFILTER1 0x354UL /* Address filter 1 */ #define BMAC_AFILTER0 0x358UL /* Address filter 0 */ #define BMAC_AFMASK 0x35cUL /* Address filter mask */ #define BMAC_REG_SIZE 0x360UL /* BigMac XIF config register. */ #define BIGMAC_XCFG_ODENABLE 0x00000001 /* Output driver enable */ #define BIGMAC_XCFG_XLBACK 0x00000002 /* Loopback-mode XIF enable */ #define BIGMAC_XCFG_MLBACK 0x00000004 /* Loopback-mode MII enable */ #define BIGMAC_XCFG_MIIDISAB 0x00000008 /* MII receive buffer disable */ #define BIGMAC_XCFG_SQENABLE 0x00000010 /* SQE test enable */ #define BIGMAC_XCFG_SQETWIN 0x000003e0 /* SQE time window */ #define BIGMAC_XCFG_LANCE 0x00000010 /* Lance mode enable */ #define BIGMAC_XCFG_LIPG0 0x000003e0 /* Lance mode IPG0 */ /* BigMac transmit config register. */ #define BIGMAC_TXCFG_ENABLE 0x00000001 /* Enable the transmitter */ #define BIGMAC_TXCFG_SMODE 0x00000020 /* Enable slow transmit mode */ #define BIGMAC_TXCFG_CIGN 0x00000040 /* Ignore transmit collisions */ #define BIGMAC_TXCFG_FCSOFF 0x00000080 /* Do not emit FCS */ #define BIGMAC_TXCFG_DBACKOFF 0x00000100 /* Disable backoff */ #define BIGMAC_TXCFG_FULLDPLX 0x00000200 /* Enable full-duplex */ #define BIGMAC_TXCFG_DGIVEUP 0x00000400 /* Don't give up on transmits */ /* BigMac receive config register. */ #define BIGMAC_RXCFG_ENABLE 0x00000001 /* Enable the receiver */ #define BIGMAC_RXCFG_PSTRIP 0x00000020 /* Pad byte strip enable */ #define BIGMAC_RXCFG_PMISC 0x00000040 /* Enable promiscous mode */ #define BIGMAC_RXCFG_DERR 0x00000080 /* Disable error checking */ #define BIGMAC_RXCFG_DCRCS 0x00000100 /* Disable CRC stripping */ #define BIGMAC_RXCFG_REJME 0x00000200 /* Reject packets addressed to me */ #define BIGMAC_RXCFG_PGRP 0x00000400 /* Enable promisc group mode */ #define BIGMAC_RXCFG_HENABLE 0x00000800 /* Enable the hash filter */ #define BIGMAC_RXCFG_AENABLE 0x00001000 /* Enable the address filter */ /* These are the "Management Interface" (ie. MIF) registers of the transceiver. */ #define TCVR_BBCLOCK 0x00UL /* Bit bang clock register */ #define TCVR_BBDATA 0x04UL /* Bit bang data register */ #define TCVR_BBOENAB 0x08UL /* Bit bang output enable */ #define TCVR_FRAME 0x0cUL /* Frame control/data register */ #define TCVR_CFG 0x10UL /* MIF config register */ #define TCVR_IMASK 0x14UL /* MIF interrupt mask */ #define TCVR_STATUS 0x18UL /* MIF status */ #define TCVR_SMACHINE 0x1cUL /* MIF state machine */ #define TCVR_REG_SIZE 0x20UL /* Frame commands. */ #define FRAME_WRITE 0x50020000 #define FRAME_READ 0x60020000 /* Transceiver config register */ #define TCV_CFG_PSELECT 0x00000001 /* Select PHY */ #define TCV_CFG_PENABLE 0x00000002 /* Enable MIF polling */ #define TCV_CFG_BENABLE 0x00000004 /* Enable the "bit banger" oh baby */ #define TCV_CFG_PREGADDR 0x000000f8 /* Address of poll register */ #define TCV_CFG_MDIO0 0x00000100 /* MDIO zero, data/attached */ #define TCV_CFG_MDIO1 0x00000200 /* MDIO one, data/attached */ #define TCV_CFG_PDADDR 0x00007c00 /* Device PHY address polling */ /* Here are some PHY addresses. */ #define TCV_PADDR_ETX 0 /* Internal transceiver */ #define TCV_PADDR_ITX 1 /* External transceiver */ /* Transceiver status register */ #define TCV_STAT_BASIC 0xffff0000 /* The "basic" part */ #define TCV_STAT_NORMAL 0x0000ffff /* The "non-basic" part */ /* Inside the Happy Meal transceiver is the physical layer, they use an * implementations for National Semiconductor, part number DP83840VCE. * You can retrieve the data sheets and programming docs for this beast * from http://www.national.com/ * * The DP83840 is capable of both 10 and 100Mbps ethernet, in both * half and full duplex mode. It also supports auto negotiation. * * But.... THIS THING IS A PAIN IN THE ASS TO PROGRAM! * Debugging eeprom burnt code is more fun than programming this chip! */ /* Generic MII registers defined in linux/mii.h, these below * are DP83840 specific. */ #define DP83840_CSCONFIG 0x17 /* CS configuration */ /* The Carrier Sense config register. */ #define CSCONFIG_RESV1 0x0001 /* Unused... */ #define CSCONFIG_LED4 0x0002 /* Pin for full-dplx LED4 */ #define CSCONFIG_LED1 0x0004 /* Pin for conn-status LED1 */ #define CSCONFIG_RESV2 0x0008 /* Unused... */ #define CSCONFIG_TCVDISAB 0x0010 /* Turns off the transceiver */ #define CSCONFIG_DFBYPASS 0x0020 /* Bypass disconnect function */ #define CSCONFIG_GLFORCE 0x0040 /* Good link force for 100mbps */ #define CSCONFIG_CLKTRISTATE 0x0080 /* Tristate 25m clock */ #define CSCONFIG_RESV3 0x0700 /* Unused... */ #define CSCONFIG_ENCODE 0x0800 /* 1=MLT-3, 0=binary */ #define CSCONFIG_RENABLE 0x1000 /* Repeater mode enable */ #define CSCONFIG_TCDISABLE 0x2000 /* Disable timeout counter */ #define CSCONFIG_RESV4 0x4000 /* Unused... */ #define CSCONFIG_NDISABLE 0x8000 /* Disable NRZI */ /* Happy Meal descriptor rings and such. * All descriptor rings must be aligned on a 2K boundary. * All receive buffers must be 64 byte aligned. * Always write the address first before setting the ownership * bits to avoid races with the hardware scanning the ring. */ struct happy_meal_rxd { u32 rx_flags; u32 rx_addr; }; #define RXFLAG_OWN 0x80000000 /* 1 = hardware, 0 = software */ #define RXFLAG_OVERFLOW 0x40000000 /* 1 = buffer overflow */ #define RXFLAG_SIZE 0x3fff0000 /* Size of the buffer */ #define RXFLAG_CSUM 0x0000ffff /* HW computed checksum */ struct happy_meal_txd { u32 tx_flags; u32 tx_addr; }; #define TXFLAG_OWN 0x80000000 /* 1 = hardware, 0 = software */ #define TXFLAG_SOP 0x40000000 /* 1 = start of packet */ #define TXFLAG_EOP 0x20000000 /* 1 = end of packet */ #define TXFLAG_CSENABLE 0x10000000 /* 1 = enable hw-checksums */ #define TXFLAG_CSLOCATION 0x0ff00000 /* Where to stick the csum */ #define TXFLAG_CSBUFBEGIN 0x000fc000 /* Where to begin checksum */ #define TXFLAG_SIZE 0x00003fff /* Size of the packet */ #define TX_RING_SIZE 32 /* Must be >16 and <255, multiple of 16 */ #define RX_RING_SIZE 32 /* see ERX_CFG_SIZE* for possible values */ #if (TX_RING_SIZE < 16 || TX_RING_SIZE > 256 || (TX_RING_SIZE % 16) != 0) #error TX_RING_SIZE holds illegal value #endif #define TX_RING_MAXSIZE 256 #define RX_RING_MAXSIZE 256 /* We use a 14 byte offset for checksum computation. */ #if (RX_RING_SIZE == 32) #define ERX_CFG_DEFAULT(off) (ERX_CFG_DMAENABLE|((off)<<3)|ERX_CFG_SIZE32|((14/2)<<16)) #else #if (RX_RING_SIZE == 64) #define ERX_CFG_DEFAULT(off) (ERX_CFG_DMAENABLE|((off)<<3)|ERX_CFG_SIZE64|((14/2)<<16)) #else #if (RX_RING_SIZE == 128) #define ERX_CFG_DEFAULT(off) (ERX_CFG_DMAENABLE|((off)<<3)|ERX_CFG_SIZE128|((14/2)<<16)) #else #if (RX_RING_SIZE == 256) #define ERX_CFG_DEFAULT(off) (ERX_CFG_DMAENABLE|((off)<<3)|ERX_CFG_SIZE256|((14/2)<<16)) #else #error RX_RING_SIZE holds illegal value #endif #endif #endif #endif #define NEXT_RX(num) (((num) + 1) & (RX_RING_SIZE - 1)) #define NEXT_TX(num) (((num) + 1) & (TX_RING_SIZE - 1)) #define PREV_RX(num) (((num) - 1) & (RX_RING_SIZE - 1)) #define PREV_TX(num) (((num) - 1) & (TX_RING_SIZE - 1)) #define TX_BUFFS_AVAIL(hp) \ (((hp)->tx_old <= (hp)->tx_new) ? \ (hp)->tx_old + (TX_RING_SIZE - 1) - (hp)->tx_new : \ (hp)->tx_old - (hp)->tx_new - 1) #define RX_OFFSET 2 #define RX_BUF_ALLOC_SIZE (1546 + RX_OFFSET + 64) #define RX_COPY_THRESHOLD 256 struct hmeal_init_block { struct happy_meal_rxd happy_meal_rxd[RX_RING_MAXSIZE]; struct happy_meal_txd happy_meal_txd[TX_RING_MAXSIZE]; }; #define hblock_offset(mem, elem) \ ((__u32)((unsigned long)(&(((struct hmeal_init_block *)0)->mem[elem])))) /* Now software state stuff. */ enum happy_transceiver { external = 0, internal = 1, none = 2, }; /* Timer state engine. */ enum happy_timer_state { arbwait = 0, /* Waiting for auto negotiation to complete. */ lupwait = 1, /* Auto-neg complete, awaiting link-up status. */ ltrywait = 2, /* Forcing try of all modes, from fastest to slowest. */ asleep = 3, /* Time inactive. */ }; struct quattro; /* Happy happy, joy joy! */ struct happy_meal { void __iomem *gregs; /* Happy meal global registers */ struct hmeal_init_block *happy_block; /* RX and TX descriptors (CPU addr) */ #if defined(CONFIG_SBUS) && defined(CONFIG_PCI) u32 (*read_desc32)(u32 *); void (*write_txd)(struct happy_meal_txd *, u32, u32); void (*write_rxd)(struct happy_meal_rxd *, u32, u32); u32 (*dma_map)(void *, void *, long, int); void (*dma_unmap)(void *, u32, long, int); void (*dma_sync_for_cpu)(void *, u32, long, int); void (*dma_sync_for_device)(void *, u32, long, int); #endif /* This is either a sbus_dev or a pci_dev. */ void *happy_dev; spinlock_t happy_lock; struct sk_buff *rx_skbs[RX_RING_SIZE]; struct sk_buff *tx_skbs[TX_RING_SIZE]; int rx_new, tx_new, rx_old, tx_old; struct net_device_stats net_stats; /* Statistical counters */ #if defined(CONFIG_SBUS) && defined(CONFIG_PCI) u32 (*read32)(void __iomem *); void (*write32)(void __iomem *, u32); #endif void __iomem *etxregs; /* External transmitter regs */ void __iomem *erxregs; /* External receiver regs */ void __iomem *bigmacregs; /* BIGMAC core regs */ void __iomem *tcvregs; /* MIF transceiver regs */ dma_addr_t hblock_dvma; /* DVMA visible address happy block */ unsigned int happy_flags; /* Driver state flags */ enum happy_transceiver tcvr_type; /* Kind of transceiver in use */ unsigned int happy_bursts; /* Get your mind out of the gutter */ unsigned int paddr; /* PHY address for transceiver */ unsigned short hm_revision; /* Happy meal revision */ unsigned short sw_bmcr; /* SW copy of BMCR */ unsigned short sw_bmsr; /* SW copy of BMSR */ unsigned short sw_physid1; /* SW copy of PHYSID1 */ unsigned short sw_physid2; /* SW copy of PHYSID2 */ unsigned short sw_advertise; /* SW copy of ADVERTISE */ unsigned short sw_lpa; /* SW copy of LPA */ unsigned short sw_expansion; /* SW copy of EXPANSION */ unsigned short sw_csconfig; /* SW copy of CSCONFIG */ unsigned int auto_speed; /* Auto-nego link speed */ unsigned int forced_speed; /* Force mode link speed */ unsigned int poll_data; /* MIF poll data */ unsigned int poll_flag; /* MIF poll flag */ unsigned int linkcheck; /* Have we checked the link yet? */ unsigned int lnkup; /* Is the link up as far as we know? */ unsigned int lnkdown; /* Trying to force the link down? */ unsigned int lnkcnt; /* Counter for link-up attempts. */ struct timer_list happy_timer; /* To watch the link when coming up. */ enum happy_timer_state timer_state; /* State of the auto-neg timer. */ unsigned int timer_ticks; /* Number of clicks at each state. */ struct net_device *dev; /* Backpointer */ struct quattro *qfe_parent; /* For Quattro cards */ int qfe_ent; /* Which instance on quattro */ struct happy_meal *next_module; }; /* Here are the happy flags. */ #define HFLAG_POLL 0x00000001 /* We are doing MIF polling */ #define HFLAG_FENABLE 0x00000002 /* The MII frame is enabled */ #define HFLAG_LANCE 0x00000004 /* We are using lance-mode */ #define HFLAG_RXENABLE 0x00000008 /* Receiver is enabled */ #define HFLAG_AUTO 0x00000010 /* Using auto-negotiation, 0 = force */ #define HFLAG_FULL 0x00000020 /* Full duplex enable */ #define HFLAG_MACFULL 0x00000040 /* Using full duplex in the MAC */ #define HFLAG_POLLENABLE 0x00000080 /* Actually try MIF polling */ #define HFLAG_RXCV 0x00000100 /* XXX RXCV ENABLE */ #define HFLAG_INIT 0x00000200 /* Init called at least once */ #define HFLAG_LINKUP 0x00000400 /* 1 = Link is up */ #define HFLAG_PCI 0x00000800 /* PCI based Happy Meal */ #define HFLAG_QUATTRO 0x00001000 /* On QFE/Quattro card */ #define HFLAG_20_21 (HFLAG_POLLENABLE | HFLAG_FENABLE) #define HFLAG_NOT_A0 (HFLAG_POLLENABLE | HFLAG_FENABLE | HFLAG_LANCE | HFLAG_RXCV) /* Support for QFE/Quattro cards. */ struct quattro { struct net_device *happy_meals[4]; /* This is either a sbus_dev or a pci_dev. */ void *quattro_dev; struct quattro *next; /* PROM ranges, if any. */ #ifdef CONFIG_SBUS struct linux_prom_ranges ranges[8]; #endif int nranges; }; /* We use this to acquire receive skb's that we can DMA directly into. */ #define ALIGNED_RX_SKB_ADDR(addr) \ ((((unsigned long)(addr) + (64UL - 1UL)) & ~(64UL - 1UL)) - (unsigned long)(addr)) #define happy_meal_alloc_skb(__length, __gfp_flags) \ ({ struct sk_buff *__skb; \ __skb = alloc_skb((__length) + 64, (__gfp_flags)); \ if(__skb) { \ int __offset = (int) ALIGNED_RX_SKB_ADDR(__skb->data); \ if(__offset) \ skb_reserve(__skb, __offset); \ } \ __skb; \ }) #endif /* !(_SUNHME_H) */