| Line 22... |
Line 22... |
int rx_next; /* Next buffer to be checked for new packet and given to the user */
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int rx_next; /* Next buffer to be checked for new packet and given to the user */
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void (*receive)(volatile unsigned char *add, int len); /* Pointer to function to be called
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void (*receive)(volatile unsigned char *add, int len); /* Pointer to function to be called
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when frame is received */
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when frame is received */
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int eth_monitor_enabled;
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int eth_monitor_enabled;
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//unsigned long eth_data[((ETH_TXBD_NUM + ETH_RXBD_NUM) * ETH_MAXBUF_LEN)/4] = {0};
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//#undef ETH_DATA_BASE
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//#define ETH_DATA_BASE ((unsigned long)eth_data)
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static void
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static void
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print_packet(unsigned long add, int len)
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print_packet(unsigned long add, int len)
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{
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{
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int truncate = (len > 256);
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int truncate = (len > 256);
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int length_to_print = truncate ? 256 : len;
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int length_to_print = truncate ? 256 : len;
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| Line 63... |
Line 58... |
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void init_tx_bd_pool(void)
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void init_tx_bd_pool(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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int i;
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int i;
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unsigned long eth_data_base = ETH_DATA_BASE;
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bd = (eth_bd *)ETH_BD_BASE;
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bd = (eth_bd *)ETH_BD_BASE;
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for(i = 0; i < ETH_TXBD_NUM; i++) {
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for(i = 0; i < ETH_TXBD_NUM; i++) {
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/* Set Tx BD status */
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/* Set Tx BD status */
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bd[i].len_status = 0 << 16 | ETH_TX_BD_PAD | ETH_TX_BD_CRC | ETH_RX_BD_IRQ;
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bd[i].len_status = 0 << 16 | ETH_TX_BD_PAD | ETH_TX_BD_CRC | ETH_RX_BD_IRQ;
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/* Initialize Tx buffer pointer */
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/* Initialize Tx buffer pointer */
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bd[i].addr = ETH_DATA_BASE + (i * ETH_MAXBUF_LEN);
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bd[i].addr = eth_data_base + (i * ETH_MAXBUF_LEN);
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}
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}
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bd[i-1].len_status |= ETH_TX_BD_WRAP; // Last Tx BD - Wrap
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bd[i-1].len_status |= ETH_TX_BD_WRAP; // Last Tx BD - Wrap
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}
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}
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void init_rx_bd_pool(void)
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void init_rx_bd_pool(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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int i;
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int i;
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/* Set ethernet data buffers just above that of stack */
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unsigned long eth_data_base = ETH_DATA_BASE;
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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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for(i = 0; i < ETH_RXBD_NUM; i++){
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for(i = 0; i < ETH_RXBD_NUM; i++){
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/* Set Rx BD status */
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/* Set Rx BD status */
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bd[i].len_status = 0 << 16 | ETH_RX_BD_EMPTY | ETH_RX_BD_IRQ;
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bd[i].len_status = 0 << 16 | ETH_RX_BD_EMPTY | ETH_RX_BD_IRQ;
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/* Initialize Rx buffer pointer */
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/* Initialize Rx buffer pointer */
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bd[i].addr = ETH_DATA_BASE + ((ETH_TXBD_NUM + i) * ETH_MAXBUF_LEN);
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bd[i].addr = eth_data_base + ((ETH_TXBD_NUM + i) * ETH_MAXBUF_LEN);
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}
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}
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bd[i-1].len_status |= ETH_RX_BD_WRAP; // Last Rx BD - Wrap
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bd[i-1].len_status |= ETH_RX_BD_WRAP; // Last Rx BD - Wrap
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}
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}
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