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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/tulip/de4x5.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/tulip/de4x5.c')
-rw-r--r--drivers/net/tulip/de4x5.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index d818456..9522baf 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -1337,7 +1337,7 @@ de4x5_open(struct net_device *dev)
}
lp->interrupt = UNMASK_INTERRUPTS;
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
START_DE4X5;
@@ -1507,7 +1507,6 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev)
outl(POLL_DEMAND, DE4X5_TPD);/* Start the TX */
lp->tx_new = (++lp->tx_new) % lp->txRingSize;
- dev->trans_start = jiffies;
if (TX_BUFFS_AVAIL) {
netif_start_queue(dev); /* Another pkt may be queued */
@@ -1937,7 +1936,7 @@ set_multicast_list(struct net_device *dev)
lp->tx_new = (++lp->tx_new) % lp->txRingSize;
outl(POLL_DEMAND, DE4X5_TPD); /* Start the TX */
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
}
}
}
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