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/* * 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 int el_start_xmit(struct sk_buff *skb, struct net_device *dev); static irqreturn_t el_interrupt(int irq, void *dev_id, struct pt_regs *regs); 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 struct net_device_stats *el1_get_stats(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static 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 dev->priv. */ struct net_local { struct net_device_stats stats; 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. */ |