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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 05:01:31 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-10 05:01:31 -0700
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/natsemi.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
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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>
Diffstat (limited to 'drivers/net/natsemi.c')
-rw-r--r--drivers/net/natsemi.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 9250bf6..2a17b50 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -1905,7 +1905,7 @@ static void ns_tx_timeout(struct net_device *dev)
spin_unlock_irq(&np->lock);
enable_irq(dev->irq);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
np->stats.tx_errors++;
netif_wake_queue(dev);
}
@@ -2119,8 +2119,6 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
}
spin_unlock_irqrestore(&np->lock, flags);
- dev->trans_start = jiffies;
-
if (netif_msg_tx_queued(np)) {
printk(KERN_DEBUG "%s: Transmit frame #%d queued in slot %d.\n",
dev->name, np->cur_tx, entry);