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author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 05:01:31 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2010-05-10 05:01:31 -0700 |
commit | 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch) | |
tree | d1955a7639e99832590df26466a34d5786a880ae /drivers/net/lance.c | |
parent | 2b0b05ddc04b6d45e71cd36405df512075786f1e (diff) | |
download | lwn-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz lwn-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/lance.c')
-rw-r--r-- | drivers/net/lance.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/lance.c b/drivers/net/lance.c index 7b9447646f8a..21f8adaa87c1 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -945,7 +945,7 @@ static void lance_tx_timeout (struct net_device *dev) #endif lance_restart (dev, 0x0043, 1); - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_wake_queue (dev); } @@ -1011,8 +1011,6 @@ static netdev_tx_t lance_start_xmit(struct sk_buff *skb, outw(0x0000, ioaddr+LANCE_ADDR); outw(0x0048, ioaddr+LANCE_DATA); - dev->trans_start = jiffies; - if ((lp->cur_tx - lp->dirty_tx) >= TX_RING_SIZE) netif_stop_queue(dev); |