Expose MACSEC_SALT_LEN definition to user space to be
used in various user space applications such as iproute.
Iproute will use this as part of adding macsec extended
packet number support.
Reviewed-by: NRaed Salem <raeds@nvidia.com>
Reviewed-by: NSabrina Dubroca <sd@queasysnail.net>
Signed-off-by: NEmeel Hakim <ehakim@nvidia.com>
Link: https://lore.kernel.org/r/20220818153229.4721-1-ehakim@nvidia.comSigned-off-by: NJakub Kicinski <kuba@kernel.org>