As the RALUE packing is going to be put into op, make the user from
IPIP code use the same helper as the router code does.
Signed-off-by: NJiri Pirko <jiri@nvidia.com>
Signed-off-by: NIdo Schimmel <idosch@nvidia.com>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>