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Added net device TX queue; this will be needed to support the PXE UNDI API

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(which will need us to wait for TX completions).

Added debug autocolourisation to netdevice.c
This commit is contained in:
Michael Brown
2007-01-09 20:18:31 +00:00
parent 8a268073a7
commit b7fcfe8ece
6 changed files with 135 additions and 85 deletions
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15
src/drivers/net/rtl8139.c
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@@ -304,7 +304,7 @@ static void rtl_reset ( struct rtl8139_nic *rtl ) {
/* Reset chip */
outb ( CmdReset, rtl->ioaddr + ChipCmd );
mdelay ( 10 );
rtl->tx.next = 0;
memset ( &rtl->tx, 0, sizeof ( rtl->tx ) );
rtl->rx.offset = 0;
}
@@ -349,7 +349,6 @@ static int rtl_open ( struct net_device *netdev ) {
*/
static void rtl_close ( struct net_device *netdev ) {
struct rtl8139_nic *rtl = netdev->priv;
int i;
/* Reset the hardware to disable everything in one go */
rtl_reset ( rtl );
@@ -357,15 +356,6 @@ static void rtl_close ( struct net_device *netdev ) {
/* Free RX ring */
free ( rtl->rx.ring );
rtl->rx.ring = NULL;
/* Free any old TX buffers that hadn't yet completed */
for ( i = 0 ; i < TX_RING_SIZE ; i++ ) {
if ( rtl->tx.pkb[i] ) {
free_pkb ( rtl->tx.pkb[i] );
rtl->tx.pkb[i] = NULL;
DBG ( "TX id %d discarded\n", i );
}
}
}
/**
@@ -383,7 +373,6 @@ static int rtl_transmit ( struct net_device *netdev, struct pk_buff *pkb ) {
/* Check for space in TX ring */
if ( rtl->tx.pkb[rtl->tx.next] != NULL ) {
printf ( "TX overflow\n" );
free_pkb ( pkb );
return -ENOBUFS;
}
@@ -437,7 +426,7 @@ static void rtl_poll ( struct net_device *netdev ) {
for ( i = 0 ; i < TX_RING_SIZE ; i++ ) {
if ( ( rtl->tx.pkb[i] != NULL ) && ( tsad & ( 1 << i ) ) ) {
DBG ( "TX id %d complete\n", i );
free_pkb ( rtl->tx.pkb[i] );
netdev_tx_complete ( netdev, rtl->tx.pkb[i] );
rtl->tx.pkb[i] = NULL;
}
}