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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/fealnx.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadop-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip
op-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz
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/fealnx.c')
-rw-r--r--drivers/net/fealnx.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index 51b738d..15f4f8d 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -1233,7 +1233,7 @@ static void fealnx_tx_timeout(struct net_device *dev)
spin_unlock_irqrestore(&np->lock, flags);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
np->stats.tx_errors++;
netif_wake_queue(dev); /* or .._start_.. ?? */
}
@@ -1374,7 +1374,6 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
++np->really_tx_count;
iowrite32(0, np->mem + TXPDR);
- dev->trans_start = jiffies;
spin_unlock_irqrestore(&np->lock, flags);
return NETDEV_TX_OK;
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