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>
diff --git a/drivers/net/82596.c b/drivers/net/82596.c
index 97c5fc0..dd8dc15 100644
--- a/drivers/net/82596.c
+++ b/drivers/net/82596.c
@@ -1050,7 +1050,7 @@
lp->last_restart = dev->stats.tx_packets;
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@@ -1060,7 +1060,6 @@
struct tx_cmd *tx_cmd;
struct i596_tbd *tbd;
short length = skb->len;
- dev->trans_start = jiffies;
DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%p) called\n",
dev->name, skb->len, skb->data));