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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/at1700.c
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@@ -583,7 +583,7 @@ static void net_tx_timeout (struct net_device *dev)
outb (0x00, ioaddr + TX_START);
outb (0x03, ioaddr + COL16CNTL);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
lp->tx_started = 0;
lp->tx_queue_ready = 1;
@@ -636,7 +636,6 @@ static netdev_tx_t net_send_packet (struct sk_buff *skb,
outb (0x80 | lp->tx_queue, ioaddr + TX_START);
lp->tx_queue = 0;
lp->tx_queue_len = 0;
dev->trans_start = jiffies;
lp->tx_started = 1;
netif_start_queue (dev);
} else if (lp->tx_queue_len < 4096 - 1502)