From bf8d85d4f907d2156e6e5d2831378527957d9bde Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 8 Sep 2016 15:40:48 -0700 Subject: [PATCH] ip_tunnel: do not clear l4 hashes If skb has a valid l4 hash, there is no point clearing hash and force a further flow dissection when a tunnel encapsulation is added. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/ip_tunnel_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 0f227db0e9ac..777bc1883870 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -69,7 +69,7 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb, skb_scrub_packet(skb, xnet); - skb_clear_hash(skb); + skb_clear_hash_if_not_l4(skb); skb_dst_set(skb, &rt->dst); memset(IPCB(skb), 0, sizeof(*IPCB(skb)));