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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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4
drivers/net/3c515.c
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@@ -992,7 +992,7 @@ static void corkscrew_timeout(struct net_device *dev)
if (!(inw(ioaddr + EL3_STATUS) & CmdInProgress))
break;
outw(TxEnable, ioaddr + EL3_CMD);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
dev->stats.tx_errors++;
dev->stats.tx_dropped++;
netif_wake_queue(dev);
@@ -1055,7 +1055,6 @@ static netdev_tx_t corkscrew_start_xmit(struct sk_buff *skb,
prev_entry->status &= ~0x80000000;
netif_wake_queue(dev);
}
dev->trans_start = jiffies;
return NETDEV_TX_OK;
}
/* Put out the doubleword header... */
@@ -1091,7 +1090,6 @@ static netdev_tx_t corkscrew_start_xmit(struct sk_buff *skb,
outw(SetTxThreshold + (1536 >> 2), ioaddr + EL3_CMD);
#endif /* bus master */
dev->trans_start = jiffies;
/* Clear the Tx status stack. */
{