From 469471cdfc1902861fedafe8c5c1c8dbf5ad6ba6 Mon Sep 17 00:00:00 2001 From: Tom Herbert Date: Mon, 29 Sep 2014 20:22:30 -0700 Subject: [PATCH] sit: Set inner IP protocol in sit Call skb_set_inner_ipproto to set inner IP protocol to IPPROTO_IPV6 before tunnel_xmit. This is needed if UDP encapsulation (fou) is being done. Signed-off-by: Tom Herbert Signed-off-by: David S. Miller --- net/ipv6/sit.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index db75809ab843..0d4e27466f82 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -982,6 +982,8 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, goto tx_error; } + skb_set_inner_ipproto(skb, IPPROTO_IPV6); + err = iptunnel_xmit(skb->sk, rt, skb, fl4.saddr, fl4.daddr, protocol, tos, ttl, df, !net_eq(tunnel->net, dev_net(dev))); @@ -1006,6 +1008,8 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) if (IS_ERR(skb)) goto out; + skb_set_inner_ipproto(skb, IPPROTO_IPIP); + ip_tunnel_xmit(skb, dev, tiph, IPPROTO_IPIP); return NETDEV_TX_OK; out: -- 2.20.1