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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/usb | |
| 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/usb')
| -rw-r--r-- | drivers/net/usb/hso.c | 2 | ||||
| -rw-r--r-- | drivers/net/usb/kaweth.c | 1 | ||||
| -rw-r--r-- | drivers/net/usb/pegasus.c | 3 |
3 files changed, 1 insertions, 5 deletions
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 @@ static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb, } 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 @@ skip: { 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 @@ static void write_bulk_callback(struct urb *urb) break; } - net->trans_start = jiffies; + net->trans_start = jiffies; /* prevent tx timeout */ netif_wake_queue(net); } @@ -909,7 +909,6 @@ static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb, } else { pegasus->stats.tx_packets++; pegasus->stats.tx_bytes += skb->len; - net->trans_start = jiffies; } dev_kfree_skb(skb); |
