static int
net_send_packet(struct sk_buff *skb, struct device *dev)
{
struct net_local *lp = (struct net_local *)dev->priv;
int ioaddr = dev->base_addr;
if (dev->tbusy) {
/* If we get here, some higher level has decided we are broken.
There should really be a "kick me" function call instead. */
int tickssofar = jiffies - dev->trans_start;
if (tickssofar < 5)
return 1;
printk("%s: transmit timed out, %s?\n", dev->name,
tx_done(dev) ? "IRQ conflict" : "network cable problem");
/* Try to restart the adaptor. */
chipset_init(dev, 1);
dev->tbusy=0;
dev->trans_start = jiffies;
}
/* If some higher layer thinks we've missed an tx-done interrupt
we are passed NULL. Caution: dev_tint() handles the cli()/sti()
itself. */
if (skb == NULL) {
dev_tint(dev);
return 0;
}
/* For ethernet, fill in the header. This should really be done by a
higher level, rather than duplicated for each ethernet adaptor. */
if (!skb->arp && dev->rebuild_header(skb->data, dev)) {
skb->dev = dev;
arp_queue (skb);
return 0;
}
skb->arp=1;
/* Block a timer-based transmit from overlapping. This could better be
done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
if (set_bit(0, (void*)&dev->tbusy) != 0)
printk("%s: Transmitter access conflict.\n", dev->name);
else {
short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
unsigned char *buf = skb->data;
hardware_send_packet(ioaddr, buf, length);
dev->trans_start = jiffies;
}
if (skb->free)
kfree_skb (skb, FREE_WRITE);
/* You might need to clean up and record Tx statistics here. */
if (inw(ioaddr) == /*RU*/81)
lp->stats.tx_aborted_errors++;
return 0;
}
static netdev_tx_t eepro_send_packet(struct sk_buff *skb,
struct net_device *dev)
{
struct eepro_local *lp = netdev_priv(dev);
unsigned long flags;
int ioaddr = dev->base_addr;
short length = skb->len;
if (net_debug > 5)
printk(KERN_DEBUG "%s: entering eepro_send_packet routine.\n", dev->name);
if (length < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
return NETDEV_TX_OK;
length = ETH_ZLEN;
}
netif_stop_queue (dev);
eepro_dis_int(ioaddr);
spin_lock_irqsave(&lp->lock, flags);
{
unsigned char *buf = skb->data;
if (hardware_send_packet(dev, buf, length))
/* we won't wake queue here because we're out of space */
dev->stats.tx_dropped++;
else {
dev->stats.tx_bytes+=skb->len;
netif_wake_queue(dev);
}
}
dev_kfree_skb (skb);
/* You might need to clean up and record Tx statistics here. */
/* dev->stats.tx_aborted_errors++; */
if (net_debug > 5)
printk(KERN_DEBUG "%s: exiting eepro_send_packet routine.\n", dev->name);
eepro_en_int(ioaddr);
spin_unlock_irqrestore(&lp->lock, flags);
return NETDEV_TX_OK;
}
static int seeq8005_send_packet(struct sk_buff *skb, struct net_device *dev)
{
struct net_local *lp = (struct net_local *)dev->priv;
short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
unsigned char *buf = skb->data;
/* Block a timer-based transmit from overlapping */
netif_stop_queue(dev);
hardware_send_packet(dev, buf, length);
dev->trans_start = jiffies;
lp->stats.tx_bytes += length;
dev_kfree_skb (skb);
/* You might need to clean up and record Tx statistics here. */
return 0;
}
static int
seeq8005_send_packet(struct sk_buff *skb, struct device *dev)
{
int ioaddr = dev->base_addr;
struct net_local *lp = (struct net_local *)dev->priv;
if (dev->tbusy) {
/* If we get here, some higher level has decided we are broken.
There should really be a "kick me" function call instead. */
int tickssofar = jiffies - dev->trans_start;
if (tickssofar < 5)
return 1;
printk("%s: transmit timed out, %s?\n", dev->name,
tx_done(dev) ? "IRQ conflict" : "network cable problem");
/* Try to restart the adaptor. */
seeq8005_init(dev, 1);
dev->tbusy=0;
dev->trans_start = jiffies;
}
/* Block a timer-based transmit from overlapping. This could better be
done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
if (test_and_set_bit(0, (void*)&dev->tbusy) != 0)
printk("%s: Transmitter access conflict.\n", dev->name);
else {
short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
unsigned char *buf = skb->data;
hardware_send_packet(dev, buf, length);
dev->trans_start = jiffies;
lp->stats.tx_bytes += length;
}
dev_kfree_skb (skb);
/* You might need to clean up and record Tx statistics here. */
return 0;
}
static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb,
struct net_device *dev)
{
short length = skb->len;
unsigned char *buf;
if (length < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
return NETDEV_TX_OK;
length = ETH_ZLEN;
}
buf = skb->data;
netif_stop_queue(dev);
hardware_send_packet(dev, buf, length);
dev->stats.tx_bytes += length;
dev_kfree_skb (skb);
return NETDEV_TX_OK;
}
static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb,
struct net_device *dev)
{
short length = skb->len;
unsigned char *buf;
if (length < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
return NETDEV_TX_OK;
length = ETH_ZLEN;
}
buf = skb->data;
/* Block a timer-based transmit from overlapping */
netif_stop_queue(dev);
hardware_send_packet(dev, buf, length);
dev->stats.tx_bytes += length;
dev_kfree_skb (skb);
/* You might need to clean up and record Tx statistics here. */
return NETDEV_TX_OK;
}
static int
bionet_send_packet(struct sk_buff *skb, struct net_device *dev) {
struct net_local *lp = netdev_priv(dev);
unsigned long flags;
/* Block a timer-based transmit from overlapping. This could better be
* done with atomic_swap(1, dev->tbusy), but set_bit() works as well.
*/
local_irq_save(flags);
if (stdma_islocked()) {
local_irq_restore(flags);
lp->stats.tx_errors++;
}
else {
int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
unsigned long buf = virt_to_phys(skb->data);
int stat;
stdma_lock(bionet_intr, NULL);
local_irq_restore(flags);
if( !STRAM_ADDR(buf+length-1) ) {
memcpy(nic_packet->buffer, skb->data, length);
buf = (unsigned long)&((struct nic_pkt_s *)phys_nic_packet)->buffer;
}
if (bionet_debug >1) {
u_char *data = nic_packet->buffer, *p;
int i;
printk( "%s: TX pkt type 0x%4x from ", dev->name,
((u_short *)data)[6]);
for( p = &data[6], i = 0; i < 6; i++ )
printk("%02x%s", *p++,i != 5 ? ":" : "" );
printk(" to ");
for( p = data, i = 0; i < 6; i++ )
printk("%02x%s", *p++,i != 5 ? ":" : "" "\n" );
printk( "%s: ", dev->name );
printk(" data %02x%02x %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x %02x%02x%02x%02x"
" %02x%02x%02x%02x len %d\n",
data[12], data[13], data[14], data[15], data[16], data[17], data[18], data[19],
data[20], data[21], data[22], data[23], data[24], data[25], data[26], data[27],
data[28], data[29], data[30], data[31], data[32], data[33],
length );
}
dma_cache_maintenance(buf, length, 1);
stat = hardware_send_packet(buf, length);
ENABLE_IRQ();
stdma_release();
dev->trans_start = jiffies;
dev->tbusy = 0;
lp->stats.tx_packets++;
lp->stats.tx_bytes+=length;
}
dev_kfree_skb(skb);
return 0;
}
static int
eexp_send_packet(struct sk_buff *skb, struct device *dev)
{
struct net_local *lp = (struct net_local *)dev->priv;
int ioaddr = dev->base_addr;
if (dev->tbusy) {
/* If we get here, some higher level has decided we are broken.
There should really be a "kick me" function call instead. */
int tickssofar = jiffies - dev->trans_start;
if (tickssofar < 5)
return 1;
if (net_debug > 1)
printk("%s: transmit timed out, %s? ", dev->name,
inw(ioaddr+SCB_STATUS) & 0x8000 ? "IRQ conflict" :
"network cable problem");
lp->stats.tx_errors++;
/* Try to restart the adaptor. */
if (lp->last_restart == lp->stats.tx_packets) {
if (net_debug > 1) printk("Resetting board.\n");
/* Completely reset the adaptor. */
init_82586_mem(dev);
} else {
/* Issue the channel attention signal and hope it "gets better". */
if (net_debug > 1) printk("Kicking board.\n");
outw(0xf000|CUC_START|RX_START, ioaddr + SCB_CMD);
outb(0, ioaddr + SIGNAL_CA);
lp->last_restart = lp->stats.tx_packets;
}
dev->tbusy=0;
dev->trans_start = jiffies;
}
/* If some higher layer thinks we've missed an tx-done interrupt
we are passed NULL. Caution: dev_tint() handles the cli()/sti()
itself. */
if (skb == NULL) {
dev_tint(dev);
return 0;
}
/* Block a timer-based transmit from overlapping. */
if (set_bit(0, (void*)&dev->tbusy) != 0)
printk("%s: Transmitter access conflict.\n", dev->name);
else {
short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
unsigned char *buf = skb->data;
/* Disable the 82586's input to the interrupt line. */
outb(irqrmap[dev->irq], ioaddr + SET_IRQ);
hardware_send_packet(dev, buf, length);
dev->trans_start = jiffies;
/* Enable the 82586 interrupt input. */
outb(0x08 | irqrmap[dev->irq], ioaddr + SET_IRQ);
}
dev_kfree_skb (skb, FREE_WRITE);
/* You might need to clean up and record Tx statistics here. */
lp->stats.tx_aborted_errors++;
return 0;
}