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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 05:01:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-10 05:01:31 -0700 |
| commit | 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch) | |
| tree | d1955a7639e99832590df26466a34d5786a880ae /drivers/net/hp100.c | |
| parent | 2b0b05ddc04b6d45e71cd36405df512075786f1e (diff) | |
| download | op-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip op-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz | |
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>
Diffstat (limited to 'drivers/net/hp100.c')
| -rw-r--r-- | drivers/net/hp100.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c index 0f3f6c2..68e5ac8 100644 --- a/drivers/net/hp100.c +++ b/drivers/net/hp100.c @@ -1102,7 +1102,7 @@ static int hp100_open(struct net_device *dev) return -EAGAIN; } - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_start_queue(dev); lp->lan_type = hp100_sense_lan(dev); @@ -1510,7 +1510,7 @@ static netdev_tx_t hp100_start_xmit_bm(struct sk_buff *skb, printk("hp100: %s: start_xmit_bm: No TX PDL available.\n", dev->name); #endif /* not waited long enough since last tx? */ - if (time_before(jiffies, dev->trans_start + HZ)) + if (time_before(jiffies, dev_trans_start(dev) + HZ)) goto drop; if (hp100_check_lan(dev)) @@ -1547,7 +1547,6 @@ static netdev_tx_t hp100_start_xmit_bm(struct sk_buff *skb, } } - dev->trans_start = jiffies; goto drop; } @@ -1585,7 +1584,6 @@ static netdev_tx_t hp100_start_xmit_bm(struct sk_buff *skb, /* Update statistics */ lp->stats.tx_packets++; lp->stats.tx_bytes += skb->len; - dev->trans_start = jiffies; return NETDEV_TX_OK; @@ -1663,7 +1661,7 @@ static netdev_tx_t hp100_start_xmit(struct sk_buff *skb, printk("hp100: %s: start_xmit: tx free mem = 0x%x\n", dev->name, i); #endif /* not waited long enough since last failed tx try? */ - if (time_before(jiffies, dev->trans_start + HZ)) { + if (time_before(jiffies, dev_trans_start(dev) + HZ)) { #ifdef HP100_DEBUG printk("hp100: %s: trans_start timing problem\n", dev->name); @@ -1701,7 +1699,6 @@ static netdev_tx_t hp100_start_xmit(struct sk_buff *skb, mdelay(1); } } - dev->trans_start = jiffies; goto drop; } @@ -1745,7 +1742,6 @@ static netdev_tx_t hp100_start_xmit(struct sk_buff *skb, lp->stats.tx_packets++; lp->stats.tx_bytes += skb->len; - dev->trans_start = jiffies; hp100_ints_on(); spin_unlock_irqrestore(&lp->lock, flags); |
