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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/7990.c
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@@ -262,7 +262,7 @@ static int lance_reset (struct net_device *dev)
load_csrs (lp);
lance_init_ring (dev);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
status = init_restart_lance (lp);
#ifdef DEBUG_DRIVER
printk ("Lance restart=%d\n", status);
@@ -526,7 +526,7 @@ void lance_tx_timeout(struct net_device *dev)
{
printk("lance_tx_timeout\n");
lance_reset(dev);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
EXPORT_SYMBOL_GPL(lance_tx_timeout);
@@ -574,7 +574,6 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
outs++;
/* Kick the lance: transmit now */
WRITERDP(lp, LE_C0_INEA | LE_C0_TDMD);
dev->trans_start = jiffies;
dev_kfree_skb (skb);
spin_lock_irqsave (&lp->devlock, flags);