diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-07-27 23:28:28 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-07-27 23:28:28 -0700 |
| commit | d3608b5681d238605b7da6be62244e803e24c649 (patch) | |
| tree | 1fc47e9f58e6e938eefd40904745a60986739bde /drivers/net/macvtap.c | |
| parent | 650fb4393dff543bc980d361555c489fbdeed088 (diff) | |
| parent | 113fc5a6e8c2288619ff7e8187a6f556b7e0d372 (diff) | |
Merge remote branch 'origin/x86/urgent' into x86/asm
Diffstat (limited to 'drivers/net/macvtap.c')
| -rw-r--r-- | drivers/net/macvtap.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index a8a94e2f6ddc..ff02b836c3c4 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -180,11 +180,18 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) { struct macvtap_queue *q = macvtap_get_queue(dev, skb); if (!q) - return -ENOLINK; + goto drop; + + if (skb_queue_len(&q->sk.sk_receive_queue) >= dev->tx_queue_len) + goto drop; skb_queue_tail(&q->sk.sk_receive_queue, skb); wake_up_interruptible_poll(sk_sleep(&q->sk), POLLIN | POLLRDNORM | POLLRDBAND); - return 0; + return NET_RX_SUCCESS; + +drop: + kfree_skb(skb); + return NET_RX_DROP; } /* @@ -235,8 +242,15 @@ static void macvtap_dellink(struct net_device *dev, macvlan_dellink(dev, head); } +static void macvtap_setup(struct net_device *dev) +{ + macvlan_common_setup(dev); + dev->tx_queue_len = TUN_READQ_SIZE; +} + static struct rtnl_link_ops macvtap_link_ops __read_mostly = { .kind = "macvtap", + .setup = macvtap_setup, .newlink = macvtap_newlink, .dellink = macvtap_dellink, }; |