Introduces a new port attribute to ethdev port's which denotes the
switch domain a port belongs to. By default all port's switch
identifiers are set to RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID. Ports
which supported the concept of switch domains can be configured with
the same switch domain id.
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>