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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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3
drivers/net/82596.c
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@ -1050,7 +1050,7 @@ static void i596_tx_timeout (struct net_device *dev)
lp->last_restart = dev->stats.tx_packets;
}
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@ -1060,7 +1060,6 @@ static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct tx_cmd *tx_cmd;
struct i596_tbd *tbd;
short length = skb->len;
dev->trans_start = jiffies;
DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%p) called\n",
dev->name, skb->len, skb->data));