| Line 4... |
Line 4... |
#include "common.h"
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#include "common.h"
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#include "support.h"
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#include "support.h"
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#include "uart.h"
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#include "uart.h"
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#include "eth.h"
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#include "eth.h"
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#include "int.h"
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#include "int.h"
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#include "spr_defs.h"
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#include "spr-defs.h"
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|
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//#define PRINT_PACKETS
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//#define PRINT_PACKETS
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//#define ETHPHY_10MBPS
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//#define ETHPHY_10MBPS
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|
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extern int printf (const char *fmt, ...);
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extern int printf (const char *fmt, ...);
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| Line 330... |
Line 330... |
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/* Send a packet at address */
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/* Send a packet at address */
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void eth_send (void *buf, unsigned long len)
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void eth_send (void *buf, unsigned long len)
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{
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{
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eth_bd *bd;
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eth_bd *bd;
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int i;
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|
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#ifdef PRINT_PACKETS
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#ifdef PRINT_PACKETS
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printf("transmitted packet:\t");
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printf("transmitted packet:\t");
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print_packet(buf, len);
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print_packet(buf, len);
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#endif
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#endif
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bd = (eth_bd *)ETH_BD_BASE;
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bd = (eth_bd *)ETH_BD_BASE;
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|
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bd[tx_last].addr = (unsigned long)buf;
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bd[tx_last].addr = (unsigned long)buf;
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retry_eth_send:
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retry_eth_send:
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bd[tx_last].len_status &= 0x0000ffff & ~ETH_TX_BD_STATS;
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bd[tx_last].len_status &= 0x0000ffff & ~ETH_TX_BD_STATS;
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if (eth_monitor_enabled) // enable IRQ when sending
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if (eth_monitor_enabled) // enable IRQ when sending
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bd[tx_last].len_status |= ETH_TX_BD_IRQ;
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bd[tx_last].len_status |= ETH_TX_BD_IRQ;
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bd[tx_last].len_status |= len << 16 | ETH_TX_BD_READY;
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bd[tx_last].len_status |= len << 16 | ETH_TX_BD_READY;
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| Line 367... |
Line 369... |
/* Waits for packet and pass it to the upper layers */
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/* Waits for packet and pass it to the upper layers */
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unsigned long eth_rx (void)
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unsigned long eth_rx (void)
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{
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{
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eth_bd *bd;
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eth_bd *bd;
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unsigned long len = 0;
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unsigned long len = 0;
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int i;
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|
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bd = (eth_bd *)ETH_BD_BASE + ETH_TXBD_NUM;
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bd = (eth_bd *)ETH_BD_BASE + ETH_TXBD_NUM;
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|
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while(1) {
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while(1) {
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| Line 411... |
Line 414... |
if(!bad) {
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if(!bad) {
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#ifdef PRINT_PACKETS
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#ifdef PRINT_PACKETS
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printf("received packet:\t");
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printf("received packet:\t");
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print_packet(bd[rx_next].addr, bd[rx_next].len_status >> 16);
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print_packet(bd[rx_next].addr, bd[rx_next].len_status >> 16);
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#endif
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#endif
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|
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receive((void *)bd[rx_next].addr, bd[rx_next].len_status >> 16);
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receive((void *)bd[rx_next].addr, bd[rx_next].len_status >> 16);
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len += bd[rx_next].len_status >> 16;
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len += bd[rx_next].len_status >> 16;
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}
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}
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|
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bd[rx_next].len_status &= ~ETH_RX_BD_STATS;
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bd[rx_next].len_status &= ~ETH_RX_BD_STATS;
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