| |
| /* |
| * 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. */ |
| |
