LXR linux-bk/drivers/net/3c501.h

   1
   2/*
   3 *      Index to functions.
   4 */
   5
   6int el1_probe(struct net_device *dev);
   7static int  el1_probe1(struct net_device *dev, int ioaddr);
   8static int  el_open(struct net_device *dev);
   9static void el_timeout(struct net_device *dev);
  10static int  el_start_xmit(struct sk_buff *skb, struct net_device *dev);
  11static irqreturn_t el_interrupt(int irq, void *dev_id, struct pt_regs *regs);
  12static void el_receive(struct net_device *dev);
  13static void el_reset(struct net_device *dev);
  14static int  el1_close(struct net_device *dev);
  15static struct net_device_stats *el1_get_stats(struct net_device *dev);
  16static void set_multicast_list(struct net_device *dev);
  17static struct ethtool_ops netdev_ethtool_ops;
  18
  19#define EL1_IO_EXTENT   16
  20
  21#ifndef EL_DEBUG
  22#define EL_DEBUG  0     /* use 0 for production, 1 for devel., >2 for debug */
  23#endif                  /* Anything above 5 is wordy death! */
  24#define debug el_debug
  25static int el_debug = EL_DEBUG;
  26
  27/*
  28 *      Board-specific info in dev->priv.
  29 */
  30
  31struct net_local
  32{
  33        struct net_device_stats stats;
  34        int             tx_pkt_start;   /* The length of the current Tx packet. */
  35        int             collisions;     /* Tx collisions this packet */
  36        int             loading;        /* Spot buffer load collisions */
  37        int             txing;          /* True if card is in TX mode */
  38        spinlock_t      lock;           /* Serializing lock */
  39};
  40
  41
  42#define RX_STATUS (ioaddr + 0x06)
  43#define RX_CMD    RX_STATUS
  44#define TX_STATUS (ioaddr + 0x07)
  45#define TX_CMD    TX_STATUS
  46#define GP_LOW    (ioaddr + 0x08)
  47#define GP_HIGH   (ioaddr + 0x09)
  48#define RX_BUF_CLR (ioaddr + 0x0A)
  49#define RX_LOW    (ioaddr + 0x0A)
  50#define RX_HIGH   (ioaddr + 0x0B)
  51#define SAPROM    (ioaddr + 0x0C)
  52#define AX_STATUS (ioaddr + 0x0E)
  53#define AX_CMD    AX_STATUS
  54#define DATAPORT  (ioaddr + 0x0F)
  55#define TX_RDY 0x08             /* In TX_STATUS */
  56
  57#define EL1_DATAPTR     0x08
  58#define EL1_RXPTR       0x0A
  59#define EL1_SAPROM      0x0C
  60#define EL1_DATAPORT    0x0f
  61
  62/*
  63 *      Writes to the ax command register.
  64 */
  65
  66#define AX_OFF  0x00                    /* Irq off, buffer access on */
  67#define AX_SYS  0x40                    /* Load the buffer */
  68#define AX_XMIT 0x44                    /* Transmit a packet */
  69#define AX_RX   0x48                    /* Receive a packet */
  70#define AX_LOOP 0x0C                    /* Loopback mode */
  71#define AX_RESET 0x80
  72
  73/*
  74 *      Normal receive mode written to RX_STATUS.  We must intr on short packets
  75 *      to avoid bogus rx lockups.
  76 */
  77
  78#define RX_NORM 0xA8            /* 0x68 == all addrs, 0xA8 only to me. */
  79#define RX_PROM 0x68            /* Senior Prom, uhmm promiscuous mode. */
  80#define RX_MULT 0xE8            /* Accept multicast packets. */
  81#define TX_NORM 0x0A            /* Interrupt on everything that might hang the chip */
  82
  83/*
  84 *      TX_STATUS register.
  85 */
  86
  87#define TX_COLLISION 0x02
  88#define TX_16COLLISIONS 0x04
  89#define TX_READY 0x08
  90
  91#define RX_RUNT 0x08
  92#define RX_MISSED 0x01          /* Missed a packet due to 3c501 braindamage. */
  93#define RX_GOOD 0x30            /* Good packet 0x20, or simple overflow 0x10. */
  94
  95