| Line 183... |
Line 183... |
|
|
/* set BD status */
|
/* set BD status */
|
if (nwritten == eth->tx.packet_length) {
|
if (nwritten == eth->tx.packet_length) {
|
CLEAR_FLAG (eth->tx.bd, ETH_TX_BD, READY);
|
CLEAR_FLAG (eth->tx.bd, ETH_TX_BD, READY);
|
SET_FLAG (eth->regs.int_source, ETH_INT_SOURCE, TXB);
|
SET_FLAG (eth->regs.int_source, ETH_INT_SOURCE, TXB);
|
|
debug (4, "ETH_INT_SOURCE = %0x\n", eth->regs.int_source);
|
|
|
debug (3, "TX - entering state IDLE\n");
|
debug (3, "TX - entering state IDLE\n");
|
eth->tx.state = ETH_TXSTATE_IDLE;
|
eth->tx.state = ETH_TXSTATE_IDLE;
|
debug (3, "send (%d)bytes OK\n", nwritten);
|
debug (3, "send (%d)bytes OK\n", nwritten);
|
}
|
}
|
| Line 297... |
Line 298... |
case ETH_RTX_FILE:
|
case ETH_RTX_FILE:
|
/* Read packet length */
|
/* Read packet length */
|
if ( eth_read_rx_file( eth, &(eth->rx.packet_length), sizeof(eth->rx.packet_length) )
|
if ( eth_read_rx_file( eth, &(eth->rx.packet_length), sizeof(eth->rx.packet_length) )
|
< sizeof(eth->rx.packet_length) ) {
|
< sizeof(eth->rx.packet_length) ) {
|
/* TODO: just do what real ethernet would do (some kind of error state) */
|
/* TODO: just do what real ethernet would do (some kind of error state) */
|
debug (4, "eth_start_rx(): File does not have a packet ready for RX\n" );
|
debug (4, "eth_start_rx(): File does not have a packet ready for RX (len = %d)\n", eth->rx.packet_length );
|
cont_run = 0;
|
cont_run = 0;
|
break;
|
break;
|
}
|
}
|
|
|
/* Packet must be big enough to hold a header */
|
/* Packet must be big enough to hold a header */
|
| Line 351... |
Line 352... |
eth->mac_address[1] != eth->rx_buff[4] ||
|
eth->mac_address[1] != eth->rx_buff[4] ||
|
eth->mac_address[0] != eth->rx_buff[5])
|
eth->mac_address[0] != eth->rx_buff[5])
|
break;
|
break;
|
}
|
}
|
|
|
|
break;
|
|
}
|
|
|
eth->rx.packet_length = nread;
|
eth->rx.packet_length = nread;
|
eth->rx.bytes_left = nread;
|
eth->rx.bytes_left = nread;
|
eth->rx.bytes_read = 0;
|
eth->rx.bytes_read = 0;
|
|
|
debug (3, "RX - entering state WRITEFIFO\n");
|
debug (3, "RX - entering state WRITEFIFO\n");
|
eth->rx.state = ETH_RXSTATE_WRITEFIFO;
|
eth->rx.state = ETH_RXSTATE_WRITEFIFO;
|
|
|
break;
|
break;
|
}
|
|
break;
|
|
|
|
case ETH_RXSTATE_WRITEFIFO:
|
case ETH_RXSTATE_WRITEFIFO:
|
#if 1
|
#if 1
|
send_word = ((unsigned long)eth->rx_buff[eth->rx.bytes_read] << 24) |
|
send_word = ((unsigned long)eth->rx_buff[eth->rx.bytes_read] << 24) |
|
((unsigned long)eth->rx_buff[eth->rx.bytes_read+1] << 16) |
|
((unsigned long)eth->rx_buff[eth->rx.bytes_read+1] << 16) |
|
| Line 384... |
Line 386... |
if ( eth->rx.bytes_left <= 0 ) {
|
if ( eth->rx.bytes_left <= 0 ) {
|
/* Write result to bd */
|
/* Write result to bd */
|
SET_FIELD( eth->rx.bd, ETH_RX_BD, LENGTH, eth->rx.packet_length );
|
SET_FIELD( eth->rx.bd, ETH_RX_BD, LENGTH, eth->rx.packet_length );
|
CLEAR_FLAG( eth->rx.bd, ETH_RX_BD, READY);
|
CLEAR_FLAG( eth->rx.bd, ETH_RX_BD, READY);
|
SET_FLAG( eth->regs.int_source, ETH_INT_SOURCE, RXB);
|
SET_FLAG( eth->regs.int_source, ETH_INT_SOURCE, RXB);
|
|
debug (4, "ETH_INT_SOURCE = %0x\n", eth->regs.int_source);
|
|
|
if ( eth->rx.packet_length < GET_FIELD( eth->regs.packetlen, ETH_PACKETLEN, MINFL ) )
|
if ( eth->rx.packet_length < GET_FIELD( eth->regs.packetlen, ETH_PACKETLEN, MINFL ) )
|
SET_FLAG( eth->rx.bd, ETH_RX_BD, TOOSHORT);
|
SET_FLAG( eth->rx.bd, ETH_RX_BD, TOOSHORT);
|
if ( eth->rx.packet_length > GET_FIELD( eth->regs.packetlen, ETH_PACKETLEN, MAXFL ) )
|
if ( eth->rx.packet_length > GET_FIELD( eth->regs.packetlen, ETH_PACKETLEN, MAXFL ) )
|
SET_FLAG( eth->rx.bd, ETH_RX_BD, TOOBIG);
|
SET_FLAG( eth->rx.bd, ETH_RX_BD, TOOBIG);
|
| Line 449... |
Line 452... |
debug( 3, "Ethernet: Error seeking RX file\n" );
|
debug( 3, "Ethernet: Error seeking RX file\n" );
|
return 0;
|
return 0;
|
}
|
}
|
|
|
result = read( eth->rx.fd, buf, count );
|
result = read( eth->rx.fd, buf, count );
|
|
debug (4, "Ethernet: read result = %d \n", result);
|
if ( eth->rx.offset && result >= 0 )
|
if ( eth->rx.offset && result >= 0 )
|
*(eth->rx.offset) += result;
|
*(eth->rx.offset) += result;
|
|
|
return result;
|
return result;
|
}
|
}
|
