vti6: return GRE_KEY for vti6

[ Upstream commit 7dcdf941cd ]

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>
This commit is contained in:
David Forster 2017-02-24 14:20:32 +00:00 • committed by Greg Kroah-Hartman
commit f7081057d1