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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 <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Eric Dumazet 2016-09-08 15:40:48 -07:00 committed by David S. Miller
parent 2c4f414f02
commit bf8d85d4f9
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/ip_tunnel_core.c
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@ -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)));