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

@@ -834,8 +834,6 @@ static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb,
} else {
net->stats.tx_packets++;
net->stats.tx_bytes += skb->len;
/* And tell the kernel when the last transmit started. */
net->trans_start = jiffies;
}
dev_kfree_skb(skb);
/* we're done */