diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
commit | b37e3b6d64358604960b35e8ecbb7aed22e0926e (patch) | |
tree | f9673afc2332c15a989d3b32f002363a92ea66e1 /net/core/dev.c | |
parent | a90c7a313a1c5b4fc99f987a2ae8f92ab0ae35c7 (diff) | |
parent | bd39a274fb7b43374c797bafdb7f506598f36f77 (diff) | |
download | op-kernel-dev-b37e3b6d64358604960b35e8ecbb7aed22e0926e.zip op-kernel-dev-b37e3b6d64358604960b35e8ecbb7aed22e0926e.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/rtlwifi/efuse.c
drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
net/bluetooth/mgmt.c
Diffstat (limited to 'net/core/dev.c')
-rw-r--r-- | net/core/dev.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 563ddc2..3da9fb0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1454,6 +1454,27 @@ static inline void net_timestamp_check(struct sk_buff *skb) __net_timestamp(skb); } +static inline bool is_skb_forwardable(struct net_device *dev, + struct sk_buff *skb) +{ + unsigned int len; + + if (!(dev->flags & IFF_UP)) + return false; + + len = dev->mtu + dev->hard_header_len + VLAN_HLEN; + if (skb->len <= len) + return true; + + /* if TSO is enabled, we don't care about the length as the packet + * could be forwarded without being segmented before + */ + if (skb_is_gso(skb)) + return true; + + return false; +} + /** * dev_forward_skb - loopback an skb to another netif * @@ -1477,8 +1498,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) skb_orphan(skb); nf_reset(skb); - if (unlikely(!(dev->flags & IFF_UP) || - (skb->len > (dev->mtu + dev->hard_header_len + VLAN_HLEN)))) { + if (unlikely(!is_skb_forwardable(dev, skb))) { atomic_long_inc(&dev->rx_dropped); kfree_skb(skb); return NET_RX_DROP; |