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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/3c515.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/3c515.c')
-rw-r--r--drivers/net/3c515.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 2e17837..569e269 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -992,7 +992,7 @@ static void corkscrew_timeout(struct net_device *dev)
if (!(inw(ioaddr + EL3_STATUS) & CmdInProgress))
break;
outw(TxEnable, ioaddr + EL3_CMD);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
dev->stats.tx_errors++;
dev->stats.tx_dropped++;
netif_wake_queue(dev);
@@ -1055,7 +1055,6 @@ static netdev_tx_t corkscrew_start_xmit(struct sk_buff *skb,
prev_entry->status &= ~0x80000000;
netif_wake_queue(dev);
}
- dev->trans_start = jiffies;
return NETDEV_TX_OK;
}
/* Put out the doubleword header... */
@@ -1091,7 +1090,6 @@ static netdev_tx_t corkscrew_start_xmit(struct sk_buff *skb,
outw(SetTxThreshold + (1536 >> 2), ioaddr + EL3_CMD);
#endif /* bus master */
- dev->trans_start = jiffies;
/* Clear the Tx status stack. */
{
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