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/usb/hso.c b/drivers/net/usb/hso.c
index be0cc99..a6227f8 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -834,8 +834,6 @@
} else {
net->stats.tx_packets++;
net->stats.tx_bytes += skb->len;
- /* And tell the kernel when the last transmit started. */
- net->trans_start = jiffies;
}
dev_kfree_skb(skb);
/* we're done */
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index c4c334d..46890dc 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -856,7 +856,6 @@
{
kaweth->stats.tx_packets++;
kaweth->stats.tx_bytes += skb->len;
- net->trans_start = jiffies;
}
spin_unlock_irq(&kaweth->device_lock);
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 4183877..1cd17d2 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -808,7 +808,7 @@
break;
}
- net->trans_start = jiffies;
+ net->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(net);
}
@@ -909,7 +909,6 @@
} else {
pegasus->stats.tx_packets++;
pegasus->stats.tx_bytes += skb->len;
- net->trans_start = jiffies;
}
dev_kfree_skb(skb);