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authorPravin B Shelar <pshelar@nicira.com>2013-06-17 17:50:02 -0700
committerDavid S. Miller <davem@davemloft.net>2013-06-19 18:07:41 -0700
commit3d7b46cd20e300bd6989fb1f43d46f1b9645816e (patch)
treeb8a063f8ecb7e380f0e1672a60815ff48c3f9b56 /net/ipv4/ipip.c
parent0e6fbc5b6c6218987c93b8c7ca60cf786062899d (diff)
downloadop-kernel-dev-3d7b46cd20e300bd6989fb1f43d46f1b9645816e.zip
op-kernel-dev-3d7b46cd20e300bd6989fb1f43d46f1b9645816e.tar.gz
ip_tunnel: push generic protocol handling to ip_tunnel module.
Process skb tunnel header before sending packet to protocol handler. this allows code sharing between gre and ovs gre modules. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipip.c')
-rw-r--r--net/ipv4/ipip.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 9df7ecd..e6905fb 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -188,8 +188,12 @@ static int ipip_rcv(struct sk_buff *skb)
struct net *net = dev_net(skb->dev);
struct ip_tunnel_net *itn = net_generic(net, ipip_net_id);
struct ip_tunnel *tunnel;
- const struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph;
+ if (iptunnel_pull_header(skb, 0, tpi.proto))
+ goto drop;
+
+ iph = ip_hdr(skb);
tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
iph->saddr, iph->daddr, 0);
if (tunnel) {
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