lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

net: trans_start cleanups

Browse Source 
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>
This commit is contained in:
Eric Dumazet
2010-05-10 05:01:31 -07:00
committed by David S. Miller
parent 2b0b05ddc0
commit 1ae5dc342a
168 changed files with 103 additions and 314 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/typhoon.c
View File

@@ -881,8 +881,6 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev)
wmb();
iowrite32(txRing->lastWrite, tp->tx_ioaddr + txRing->writeRegister);
dev->trans_start = jiffies;
/* If we don't have room to put the worst case packet on the
* queue, then we must stop the queue. We need 2 extra
* descriptors -- one to prevent ring wrap, and one for the