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/lib82596.c b/drivers/net/lib82596.c
index 61c38ab..de856d8 100644
--- a/drivers/net/lib82596.c
+++ b/drivers/net/lib82596.c
@@ -963,7 +963,7 @@
lp->last_restart = dev->stats.tx_packets;
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@@ -974,7 +974,6 @@
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",
