net: trans_start cleanups

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

View File

@@ -1554,7 +1554,6 @@ static netdev_tx_t net_send_packet(struct sk_buff *skb,struct net_device *dev)
writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1);
spin_unlock_irqrestore(&lp->lock, flags);
lp->stats.tx_bytes += skb->len;
dev->trans_start = jiffies;
dev_kfree_skb (skb);
/*