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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/3c523.c
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@@ -1152,7 +1152,6 @@ static netdev_tx_t elmc_send_packet(struct sk_buff *skb, struct net_device *dev)
p->scb->cmd = CUC_START;
p->xmit_cmds[0]->cmd_status = 0;
elmc_attn586();
dev->trans_start = jiffies;
if (!i) {
dev_kfree_skb(skb);
}
@@ -1176,7 +1175,6 @@ static netdev_tx_t elmc_send_packet(struct sk_buff *skb, struct net_device *dev)
p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0;
p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0]));
dev->trans_start = jiffies;
p->nop_point = next_nop;
dev_kfree_skb(skb);
#endif
@@ -1190,7 +1188,6 @@ static netdev_tx_t elmc_send_packet(struct sk_buff *skb, struct net_device *dev)
= make16((p->nop_cmds[next_nop]));
p->nop_cmds[next_nop]->cmd_status = 0;
p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count]));
dev->trans_start = jiffies;
p->xmit_count = next_nop;
if (p->xmit_count != p->xmit_last)
netif_wake_queue(dev);