diff options
Diffstat (limited to 'drivers/net/ethernet/3com/3c501.h')
| -rw-r--r-- | drivers/net/ethernet/3com/3c501.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/net/ethernet/3com/3c501.h b/drivers/net/ethernet/3com/3c501.h new file mode 100644 index 00000000000..183fd55f03c --- /dev/null +++ b/drivers/net/ethernet/3com/3c501.h @@ -0,0 +1,91 @@ + +/* + * Index to functions. + */ + +static int el1_probe1(struct net_device *dev, int ioaddr); +static int el_open(struct net_device *dev); +static void el_timeout(struct net_device *dev); +static netdev_tx_t el_start_xmit(struct sk_buff *skb, struct net_device *dev); +static irqreturn_t el_interrupt(int irq, void *dev_id); +static void el_receive(struct net_device *dev); +static void el_reset(struct net_device *dev); +static int el1_close(struct net_device *dev); +static void set_multicast_list(struct net_device *dev); +static const struct ethtool_ops netdev_ethtool_ops; + +#define EL1_IO_EXTENT 16 + +#ifndef EL_DEBUG +#define EL_DEBUG 0 /* use 0 for production, 1 for devel., >2 for debug */ +#endif /* Anything above 5 is wordy death! */ +#define debug el_debug +static int el_debug = EL_DEBUG; + +/* + * Board-specific info in netdev_priv(dev). + */ + +struct net_local +{ + int tx_pkt_start; /* The length of the current Tx packet. */ + int collisions; /* Tx collisions this packet */ + int loading; /* Spot buffer load collisions */ + int txing; /* True if card is in TX mode */ + spinlock_t lock; /* Serializing lock */ +}; + + +#define RX_STATUS (ioaddr + 0x06) +#define RX_CMD RX_STATUS +#define TX_STATUS (ioaddr + 0x07) +#define TX_CMD TX_STATUS +#define GP_LOW (ioaddr + 0x08) +#define GP_HIGH (ioaddr + 0x09) +#define RX_BUF_CLR (ioaddr + 0x0A) +#define RX_LOW (ioaddr + 0x0A) +#define RX_HIGH (ioaddr + 0x0B) +#define SAPROM (ioaddr + 0x0C) +#define AX_STATUS (ioaddr + 0x0E) +#define AX_CMD AX_STATUS +#define DATAPORT (ioaddr + 0x0F) +#define TX_RDY 0x08 /* In TX_STATUS */ + +#define EL1_DATAPTR 0x08 +#define EL1_RXPTR 0x0A +#define EL1_SAPROM 0x0C +#define EL1_DATAPORT 0x0f + +/* + * Writes to the ax command register. + */ + +#define AX_OFF 0x00 /* Irq off, buffer access on */ +#define AX_SYS 0x40 /* Load the buffer */ +#define AX_XMIT 0x44 /* Transmit a packet */ +#define AX_RX 0x48 /* Receive a packet */ +#define AX_LOOP 0x0C /* Loopback mode */ +#define AX_RESET 0x80 + +/* + * Normal receive mode written to RX_STATUS. We must intr on short packets + * to avoid bogus rx lockups. + */ + +#define RX_NORM 0xA8 /* 0x68 == all addrs, 0xA8 only to me. */ +#define RX_PROM 0x68 /* Senior Prom, uhmm promiscuous mode. */ +#define RX_MULT 0xE8 /* Accept multicast packets. */ +#define TX_NORM 0x0A /* Interrupt on everything that might hang the chip */ + +/* + * TX_STATUS register. + */ + +#define TX_COLLISION 0x02 +#define TX_16COLLISIONS 0x04 +#define TX_READY 0x08 + +#define RX_RUNT 0x08 +#define RX_MISSED 0x01 /* Missed a packet due to 3c501 braindamage. */ +#define RX_GOOD 0x30 /* Good packet 0x20, or simple overflow 0x10. */ + |