| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Index to functions. |
| 4 | */ |
| 5 | |
| 6 | static int el1_probe1(struct net_device *dev, int ioaddr); |
| 7 | static int el_open(struct net_device *dev); |
| 8 | static void el_timeout(struct net_device *dev); |
| 9 | static int el_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 10 | static irqreturn_t el_interrupt(int irq, void *dev_id); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | static void el_receive(struct net_device *dev); |
| 12 | static void el_reset(struct net_device *dev); |
| 13 | static int el1_close(struct net_device *dev); |
| 14 | static struct net_device_stats *el1_get_stats(struct net_device *dev); |
| 15 | static void set_multicast_list(struct net_device *dev); |
| Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 16 | static const struct ethtool_ops netdev_ethtool_ops; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
| 18 | #define EL1_IO_EXTENT 16 |
| 19 | |
| 20 | #ifndef EL_DEBUG |
| 21 | #define EL_DEBUG 0 /* use 0 for production, 1 for devel., >2 for debug */ |
| 22 | #endif /* Anything above 5 is wordy death! */ |
| 23 | #define debug el_debug |
| 24 | static int el_debug = EL_DEBUG; |
| 25 | |
| 26 | /* |
| 27 | * Board-specific info in dev->priv. |
| 28 | */ |
| 29 | |
| 30 | struct net_local |
| 31 | { |
| 32 | struct net_device_stats stats; |
| 33 | int tx_pkt_start; /* The length of the current Tx packet. */ |
| 34 | int collisions; /* Tx collisions this packet */ |
| 35 | int loading; /* Spot buffer load collisions */ |
| 36 | int txing; /* True if card is in TX mode */ |
| 37 | spinlock_t lock; /* Serializing lock */ |
| 38 | }; |
| 39 | |
| Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 40 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #define RX_STATUS (ioaddr + 0x06) |
| 42 | #define RX_CMD RX_STATUS |
| 43 | #define TX_STATUS (ioaddr + 0x07) |
| 44 | #define TX_CMD TX_STATUS |
| 45 | #define GP_LOW (ioaddr + 0x08) |
| 46 | #define GP_HIGH (ioaddr + 0x09) |
| 47 | #define RX_BUF_CLR (ioaddr + 0x0A) |
| 48 | #define RX_LOW (ioaddr + 0x0A) |
| 49 | #define RX_HIGH (ioaddr + 0x0B) |
| 50 | #define SAPROM (ioaddr + 0x0C) |
| 51 | #define AX_STATUS (ioaddr + 0x0E) |
| 52 | #define AX_CMD AX_STATUS |
| 53 | #define DATAPORT (ioaddr + 0x0F) |
| 54 | #define TX_RDY 0x08 /* In TX_STATUS */ |
| 55 | |
| 56 | #define EL1_DATAPTR 0x08 |
| 57 | #define EL1_RXPTR 0x0A |
| 58 | #define EL1_SAPROM 0x0C |
| 59 | #define EL1_DATAPORT 0x0f |
| 60 | |
| 61 | /* |
| 62 | * Writes to the ax command register. |
| 63 | */ |
| 64 | |
| 65 | #define AX_OFF 0x00 /* Irq off, buffer access on */ |
| 66 | #define AX_SYS 0x40 /* Load the buffer */ |
| 67 | #define AX_XMIT 0x44 /* Transmit a packet */ |
| 68 | #define AX_RX 0x48 /* Receive a packet */ |
| 69 | #define AX_LOOP 0x0C /* Loopback mode */ |
| 70 | #define AX_RESET 0x80 |
| 71 | |
| 72 | /* |
| 73 | * Normal receive mode written to RX_STATUS. We must intr on short packets |
| 74 | * to avoid bogus rx lockups. |
| 75 | */ |
| 76 | |
| 77 | #define RX_NORM 0xA8 /* 0x68 == all addrs, 0xA8 only to me. */ |
| 78 | #define RX_PROM 0x68 /* Senior Prom, uhmm promiscuous mode. */ |
| 79 | #define RX_MULT 0xE8 /* Accept multicast packets. */ |
| 80 | #define TX_NORM 0x0A /* Interrupt on everything that might hang the chip */ |
| 81 | |
| 82 | /* |
| 83 | * TX_STATUS register. |
| 84 | */ |
| 85 | |
| 86 | #define TX_COLLISION 0x02 |
| 87 | #define TX_16COLLISIONS 0x04 |
| 88 | #define TX_READY 0x08 |
| 89 | |
| 90 | #define RX_RUNT 0x08 |
| 91 | #define RX_MISSED 0x01 /* Missed a packet due to 3c501 braindamage. */ |
| 92 | #define RX_GOOD 0x30 /* Good packet 0x20, or simple overflow 0x10. */ |
| 93 | |