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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/appletalk/cops.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadlinux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2
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/appletalk/cops.c')
-rw-r--r--drivers/net/appletalk/cops.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
index 6f8d6206b5c4..14e1d952226e 100644
--- a/drivers/net/appletalk/cops.c
+++ b/drivers/net/appletalk/cops.c
@@ -866,7 +866,7 @@ static void cops_timeout(struct net_device *dev)
}
printk(KERN_WARNING "%s: Transmit timed out.\n", dev->name);
cops_jumpstart(dev); /* Restart the card. */
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
@@ -919,9 +919,8 @@ static netdev_tx_t cops_send_packet(struct sk_buff *skb,
/* Done sending packet, update counters and cleanup. */
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
- dev->trans_start = jiffies;
dev_kfree_skb (skb);
- return NETDEV_TX_OK;
+ return NETDEV_TX_OK;
}
/*