diff options
| author |   Pravin B Shelar <pshelar@nicira.com> | 2013-05-07 20:41:07 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-05-08 13:13:30 -0700 |
| commit | 19acc327258ac5bcd0f31c07853e6d9784010fb4 (patch) | |
| tree | 4079bd2f20e09ebc1f9b23b2eef4ec6976801c74 /net/core/dev.c | |
| parent | net: fec: fix kernel oops when plug/unplug cable many times (diff) | |
| download | linux-dev-19acc327258ac5bcd0f31c07853e6d9784010fb4.tar.xz linux-dev-19acc327258ac5bcd0f31c07853e6d9784010fb4.zip | |
gso: Handle Trans-Ether-Bridging protocol in skb_network_protocol()
Rather than having logic to calculate inner protocol in every
tunnel gso handler move it to gso code. This simplifies code.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Cong Wang <amwang@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 40b1fadaf637..fc1e289397f5 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2213,6 +2213,17 @@ __be16 skb_network_protocol(struct sk_buff *skb) __be16 type = skb->protocol; int vlan_depth = ETH_HLEN; + /* Tunnel gso handlers can set protocol to ethernet. */ + if (type == htons(ETH_P_TEB)) { + struct ethhdr *eth; + + if (unlikely(!pskb_may_pull(skb, sizeof(struct ethhdr)))) + return 0; + + eth = (struct ethhdr *)skb_mac_header(skb); + type = eth->h_proto; + } + while (type == htons(ETH_P_8021Q) || type == htons(ETH_P_8021AD)) { struct vlan_hdr *vh; |