vti6: return GRE_KEY for vti6
[ Upstream commit 7dcdf941cdc96692ab99fd790c8cc68945514851 ]
Align vti6 with vti by returning GRE_KEY flag. This enables iproute2
to display tunnel keys on "ip -6 tunnel show"
Signed-off-by: David Forster <dforster@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index c299c1e..66c2b4b 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -691,6 +691,10 @@
u->link = p->link;
u->i_key = p->i_key;
u->o_key = p->o_key;
+ if (u->i_key)
+ u->i_flags |= GRE_KEY;
+ if (u->o_key)
+ u->o_flags |= GRE_KEY;
u->proto = p->proto;
memcpy(u->name, p->name, sizeof(u->name));