linux-kernel - [PATCH 3.16 319/346] ip6_gre: Set flowi6_proto as IPPROTO

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Date:   Mon, 14 Nov 2016 00:14:20 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Haishuang Yan" <yanhaishuang@...s.chinamobile.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.16 319/346] ip6_gre: Set flowi6_proto as IPPROTO_GRE in
 xmit path.

3.16.39-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Haishuang Yan <yanhaishuang@...s.chinamobile.com>

commit 252f3f5a1189a7f6c309d8e4ff1c4c1888a27f13 upstream.

In gre6 xmit path, we are sending a GRE packet, so set fl6 proto
to IPPROTO_GRE properly.

Signed-off-by: Haishuang Yan <yanhaishuang@...s.chinamobile.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/ipv6/ip6_gre.c | 1 +
 1 file changed, 1 insertion(+)

--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -939,6 +939,7 @@ static void ip6gre_tnl_link_config(struc
 	fl6->daddr = p->raddr;
 	fl6->flowi6_oif = p->link;
 	fl6->flowlabel = 0;
+	fl6->flowi6_proto = IPPROTO_GRE;
 
 	if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
 		fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;