[PATCH 3.18 105/145] vti6: return GRE_KEY for vti6

Greg Kroah-Hartman
2017-04-16T10:56:30Z

From: David Forster <dforster@brocade.com>

commit 7dcdf941cdc96692ab99fd790c8cc68945514851 upstream.

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>

---
net/ipv6/ip6_vti.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -645,6 +645,10 @@ vti6_parm_to_user(struct ip6_tnl_parm2 *
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));