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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/82596.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadblackbird-op-linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz
blackbird-op-linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip
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/82596.c')
-rw-r--r--drivers/net/82596.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/82596.c b/drivers/net/82596.c
index 97c5fc019cd4..dd8dc15556cb 100644
--- a/drivers/net/82596.c
+++ b/drivers/net/82596.c
@@ -1050,7 +1050,7 @@ static void i596_tx_timeout (struct net_device *dev)
lp->last_restart = dev->stats.tx_packets;
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@@ -1060,7 +1060,6 @@ static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct tx_cmd *tx_cmd;
struct i596_tbd *tbd;
short length = skb->len;
- dev->trans_start = jiffies;
DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%p) called\n",
dev->name, skb->len, skb->data));
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