Cache the subnet prefix and add a function to access it. Enforcing
security requires frequent queries of the subnet prefix and the pkeys in
the pkey table.
Signed-off-by: NDaniel Jurgens <danielj@mellanox.com>
Reviewed-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NJames Morris <james.l.morris@oracle.com>
Acked-by: NDoug Ledford <dledford@redhat.com>
Signed-off-by: NPaul Moore <paul@paul-moore.com>