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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/bfin_mac.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
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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/bfin_mac.c')
-rw-r--r--drivers/net/bfin_mac.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index c488cea..b0207f0 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -654,7 +654,6 @@ static int bfin_mac_hard_start_xmit(struct sk_buff *skb,
out:
adjust_tx_list();
current_tx_ptr = current_tx_ptr->next;
- dev->trans_start = jiffies;
dev->stats.tx_packets++;
dev->stats.tx_bytes += (skb->len);
return NETDEV_TX_OK;
@@ -805,7 +804,7 @@ static void bfin_mac_timeout(struct net_device *dev)
bfin_mac_enable();
/* We can accept TX packets again */
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}