236  * - when node role is MRM, in this case test_monitor is always set to false
239  * - when node role is MRA, there are 2 subcases:
240  *     - when MRA behaves as MRM, in this case is similar with MRM role
263 		 * role MRA and behaves as MRC. The reason is that the  in br_mrp_test_work_expired()
266 		 * the role of a MRM.  in br_mrp_test_work_expired()
314 /* This function is continuously called when the node has the interconnect role
403 	/* Stop sending MRP_InTest frames if has an interconnect role */  in br_mrp_del_impl()
564 /* Set port role, port role can be primary or secondary
568 			 enum br_mrp_port_role_type role)  in br_mrp_set_port_role()  argument
580 	switch (role) {  in br_mrp_set_port_role()
591 	br_mrp_port_switchdev_set_role(p, role);  in br_mrp_set_port_role()
618 /* Set ring role, ring role can be only MRM(Media Redundancy Manager) or
623 			 struct br_mrp_ring_role *role)  in br_mrp_set_ring_role()  argument
625 	struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);  in br_mrp_set_ring_role()
631 	mrp->ring_role = role->ring_role;  in br_mrp_set_ring_role()
634 	err = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);  in br_mrp_set_ring_role()
638 	/* Now detect if the HW actually applied the role or not. If the HW  in br_mrp_set_ring_role()
639 	 * applied the role it means that the SW will not to do those operations  in br_mrp_set_ring_role()
640 	 * anymore. For example if the role ir MRM then the HW will notify the  in br_mrp_set_ring_role()
701 /* Set in role, in role can be only MIM(Media Interconnection Manager) or
705 int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)  in br_mrp_set_in_role()  argument
707 	struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);  in br_mrp_set_in_role()
714 	if (!br_mrp_get_port(br, role->i_ifindex))  in br_mrp_set_in_role()
717 	if (role->in_role == BR_MRP_IN_ROLE_DISABLED) {  in br_mrp_set_in_role()
739 		mrp->in_role = role->in_role;  in br_mrp_set_in_role()
746 	if (!br_mrp_unique_ifindex(br, role->i_ifindex))  in br_mrp_set_in_role()
756 	p = br_mrp_get_port(br, role->i_ifindex);  in br_mrp_set_in_role()
763 	mrp->in_role = role->in_role;  in br_mrp_set_in_role()
764 	mrp->in_id = role->in_id;  in br_mrp_set_in_role()
767 	err = br_mrp_switchdev_set_in_role(br, mrp, role->in_id,  in br_mrp_set_in_role()
768 					   role->ring_id, role->in_role);  in br_mrp_set_in_role()
772 	/* Now detect if the HW actually applied the role or not. If the HW  in br_mrp_set_in_role()
773 	 * applied the role it means that the SW will not to do those operations  in br_mrp_set_in_role()
774 	 * anymore. For example if the role is MIM then the HW will notify the  in br_mrp_set_in_role()
1011  * the frame type, ring role and interconnect role
1042 	 * interconnect role and ports to process or forward the frame  in br_mrp_rcv()
1045 		/* If the role is MRM then don't forward the frames */  in br_mrp_rcv()
1051 		/* If the role is MRA then don't forward the frames if it  in br_mrp_rcv()
1093 		 * role then it should forward all frames between the ring ports  in br_mrp_rcv()