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/sun3lance.c b/drivers/net/sun3lance.c
index 1694ca5..358c22f 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -523,8 +523,8 @@
/* Transmitter timeout, serious problems. */
if (netif_queue_stopped(dev)) {
- int tickssofar = jiffies - dev->trans_start;
- if (tickssofar < 20)
+ int tickssofar = jiffies - dev_trans_start(dev);
+ if (tickssofar < HZ/5)
return NETDEV_TX_BUSY;
DPRINTK( 1, ( "%s: transmit timed out, status %04x, resetting.\n",
@@ -559,7 +559,6 @@
REGA( CSR0 ) = CSR0_INEA | CSR0_INIT | CSR0_STRT;
netif_start_queue(dev);
- dev->trans_start = jiffies;
return NETDEV_TX_OK;
}
@@ -637,8 +636,7 @@
AREG = CSR0;
DPRINTK( 2, ( "%s: lance_start_xmit() exiting, csr0 %4.4x.\n",
dev->name, DREG ));
- dev->trans_start = jiffies;
- dev_kfree_skb( skb );
+ dev_kfree_skb(skb);
lp->lock = 0;
if ((MEM->tx_head[(entry+1) & TX_RING_MOD_MASK].flag & TMD1_OWN) ==
