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net: trans_start cleanups

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Now that core network takes care of trans_start updates, dont do it
in drivers themselves, if possible. Drivers can avoid one cache miss
(on dev->trans_start) in their start_xmit() handler.

Exceptions are NETIF_F_LLTX drivers

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-05-10 05:01:31 -07:00
committed by David S. Miller
parent 2b0b05ddc0
commit 1ae5dc342a
168 changed files with 103 additions and 314 deletions
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5
drivers/net/eth16i.c
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@@ -1027,7 +1027,7 @@ static void eth16i_timeout(struct net_device *dev)
inw(ioaddr + TX_STATUS_REG), (inb(ioaddr + TX_STATUS_REG) & TX_DONE) ?
"IRQ conflict" : "network cable problem");
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
/* Let's dump all registers */
if(eth16i_debug > 0) {
@@ -1047,7 +1047,7 @@ static void eth16i_timeout(struct net_device *dev)
}
dev->stats.tx_errors++;
eth16i_reset(dev);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
outw(ETH16I_INTR_ON, ioaddr + TX_INTR_REG);
netif_wake_queue(dev);
}
@@ -1109,7 +1109,6 @@ static netdev_tx_t eth16i_tx(struct sk_buff *skb, struct net_device *dev)
outb(TX_START | lp->tx_queue, ioaddr + TRANSMIT_START_REG);
lp->tx_queue = 0;
lp->tx_queue_len = 0;
dev->trans_start = jiffies;
lp->tx_started = 1;
netif_wake_queue(dev);
}