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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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2
drivers/net/meth.c
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@ -746,7 +746,7 @@ static void meth_tx_timeout(struct net_device *dev)
/* Enable interrupt */
spin_unlock_irqrestore(&priv->meth_lock, flags);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
return;