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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: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>