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[PATCH 4.9 05/93] vti6: return GRE_KEY for vti6

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  [PATCH 4.9 05/93] vti6: return GRE_KEY for vti6 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-20 19:10 +0100

#1604918 — [PATCH 4.9 05/93] vti6: return GRE_KEY for vti6

4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: David Forster <dforster@brocade.com>


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

--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -691,6 +691,10 @@ 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));

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