diff options
Diffstat (limited to 'net/eth.c')
| -rw-r--r-- | net/eth.c | 76 |
1 files changed, 71 insertions, 5 deletions
@@ -54,6 +54,7 @@ extern int rtl8169_initialize(bd_t*); extern int scc_initialize(bd_t*); extern int skge_initialize(bd_t*); extern int tsi108_eth_initialize(bd_t*); +extern int uli526x_initialize(bd_t *); extern int tsec_initialize(bd_t*, int, char *); extern int npe_initialize(bd_t *); extern int uec_initialize(int); @@ -61,6 +62,17 @@ extern int bfin_EMAC_initialize(bd_t *); extern int atstk1000_eth_initialize(bd_t *); extern int mcffec_initialize(bd_t*); +#ifdef CONFIG_API +extern void (*push_packet)(volatile void *, int); + +static struct { + uchar data[PKTSIZE]; + int length; +} eth_rcv_bufs[PKTBUFSRX]; + +static unsigned int eth_rcv_current = 0, eth_rcv_last = 0; +#endif + static struct eth_device *eth_devices, *eth_current; struct eth_device *eth_get_dev(void) @@ -137,7 +149,8 @@ int eth_register(struct eth_device* dev) int eth_initialize(bd_t *bis) { - char enetvar[32], env_enetaddr[6]; + char enetvar[32]; + unsigned char env_enetaddr[6]; int i, eth_number = 0; char *tmp, *end; @@ -201,6 +214,9 @@ int eth_initialize(bd_t *bis) #if defined(CONFIG_UEC_ETH2) uec_initialize(1); #endif +#if defined(CONFIG_UEC_ETH3) + uec_initialize(2); +#endif #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC) fec_initialize(bis); @@ -238,6 +254,9 @@ int eth_initialize(bd_t *bis) #if defined(CONFIG_TSI108_ETH) tsi108_eth_initialize(bis); #endif +#if defined(CONFIG_ULI526X) + uli526x_initialize(bis); +#endif #if defined(CONFIG_RTL8139) rtl8139_initialize(bis); #endif @@ -408,23 +427,23 @@ int eth_init(bd_t *bis) struct eth_device* old_current; if (!eth_current) - return 0; + return -1; old_current = eth_current; do { debug ("Trying %s\n", eth_current->name); - if (eth_current->init(eth_current, bis)) { + if (!eth_current->init(eth_current,bis)) { eth_current->state = ETH_STATE_ACTIVE; - return 1; + return 0; } debug ("FAIL\n"); eth_try_another(0); } while (old_current != eth_current); - return 0; + return -1; } void eth_halt(void) @@ -453,6 +472,53 @@ int eth_rx(void) return eth_current->recv(eth_current); } +#ifdef CONFIG_API +static void eth_save_packet(volatile void *packet, int length) +{ + volatile char *p = packet; + int i; + + if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current) + return; + + if (PKTSIZE < length) + return; + + for (i = 0; i < length; i++) + eth_rcv_bufs[eth_rcv_last].data[i] = p[i]; + + eth_rcv_bufs[eth_rcv_last].length = length; + eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX; +} + +int eth_receive(volatile void *packet, int length) +{ + volatile char *p = packet; + void *pp = push_packet; + int i; + + if (eth_rcv_current == eth_rcv_last) { + push_packet = eth_save_packet; + eth_rx(); + push_packet = pp; + + if (eth_rcv_current == eth_rcv_last) + return -1; + } + + if (length < eth_rcv_bufs[eth_rcv_current].length) + return -1; + + length = eth_rcv_bufs[eth_rcv_current].length; + + for (i = 0; i < length; i++) + p[i] = eth_rcv_bufs[eth_rcv_current].data[i]; + + eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX; + return length; +} +#endif /* CONFIG_API */ + void eth_try_another(int first_restart) { static struct eth_device *first_failed = NULL; |