From 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 10 May 2010 05:01:31 -0700 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/sun3lance.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers/net/sun3lance.c') diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c index 1694ca5bfb4..358c22f9acb 100644 --- a/drivers/net/sun3lance.c +++ b/drivers/net/sun3lance.c @@ -523,8 +523,8 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) /* 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 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) REGA( CSR0 ) = CSR0_INEA | CSR0_INIT | CSR0_STRT; netif_start_queue(dev); - dev->trans_start = jiffies; return NETDEV_TX_OK; } @@ -637,8 +636,7 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) 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) == -- cgit v1.2.3-70-g09d2