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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2014-10-02 18:26:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-10-15 12:29:22 +0200
commit570f480a5498a7d86d8ca0717f354bcb08c17fdb (patch)
treed6781ac4f8bed4efd3412cefb3e01ee2c0a1f2d3
parentbfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff)
downloadlinux-570f480a5498a7d86d8ca0717f354bcb08c17fdb.tar.gz
ip6_gre: fix flowi6_proto value in xmit path
[ Upstream commit 3be07244b7337760a3269d56b2f4a63e72218648 ] In xmit path, we build a flowi6 which will be used for the output route lookup. We are sending a GRE packet, neither IPv4 nor IPv6 encapsulated packet, thus the protocol should be IPPROTO_GRE. Fixes: c12b395a4664 ("gre: Support GRE over IPv6") Reported-by: Matthieu Ternisien d'Ouville <matthieu.tdo@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/ipv6/ip6_gre.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index f304471477dc..97299d76c1b0 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -782,7 +782,7 @@ static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev)
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPIP;
+ fl6.flowi6_proto = IPPROTO_GRE;
dsfield = ipv4_get_dsfield(iph);
@@ -832,7 +832,7 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPV6;
+ fl6.flowi6_proto = IPPROTO_GRE;
dsfield = ipv6_get_dsfield(ipv6h);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)