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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/ni65.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadlinux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2
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/ni65.c')
-rw-r--r--drivers/net/ni65.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c
index 9225c76cac40..da228a0dd6cd 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -784,7 +784,7 @@ static void ni65_stop_start(struct net_device *dev,struct priv *p)
if(!p->lock)
if (p->tmdnum || !p->xmit_queued)
netif_wake_queue(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
}
else
writedatareg(CSR0_STRT | csr0);
@@ -1150,7 +1150,7 @@ static void ni65_timeout(struct net_device *dev)
printk("%02x ",p->tmdhead[i].u.s.status);
printk("\n");
ni65_lance_reinit(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
@@ -1213,7 +1213,6 @@ static netdev_tx_t ni65_send_packet(struct sk_buff *skb,
netif_wake_queue(dev);
p->lock = 0;
- dev->trans_start = jiffies;
spin_unlock_irqrestore(&p->ring_lock, flags);
}