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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/lib8390.c
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@@ -257,7 +257,7 @@ static void __ei_tx_timeout(struct net_device *dev)
{
unsigned long e8390_base = dev->base_addr;
struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev);
int txsr, isr, tickssofar = jiffies - dev->trans_start;
int txsr, isr, tickssofar = jiffies - dev_trans_start(dev);
unsigned long flags;
dev->stats.tx_errors++;
@@ -386,7 +386,6 @@ static netdev_tx_t __ei_start_xmit(struct sk_buff *skb,
{
ei_local->txing = 1;
NS8390_trigger_send(dev, send_length, output_page);
dev->trans_start = jiffies;
if (output_page == ei_local->tx_start_page)
{
ei_local->tx1 = -1;