bridge: switchdev: mrp: Extend MRP API for switchdev for MRP Interconnect

Implement the MRP API for interconnect switchdev. Similar with the other
br_mrp_switchdev function, these function will just eventually call the
switchdev functions: switchdev_port_obj_add/del.

Signed-off-by: Horatiu Vultur <[e-mail]>
Acked-by: Nikolay Aleksandrov <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/bridge/br_mrp_switchdev.c

···
 	return 0;
 }
 
+int br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,
+				 u16 in_id, u32 ring_id,
+				 enum br_mrp_in_role_type role)
+{
+	struct switchdev_obj_in_role_mrp mrp_role = {
+		.obj.orig_dev = br->dev,
+		.obj.id = SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
+		.in_role = role,
+		.in_id = mrp->in_id,
+		.ring_id = mrp->ring_id,
+		.i_port = rtnl_dereference(mrp->i_port)->dev,
+	};
+	int err;
+
+	if (role == BR_MRP_IN_ROLE_DISABLED)
+		err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
+	else
+		err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL);
+
+	return err;
+}
+
+int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp,
+				  enum br_mrp_in_state_type state)
+{
+	struct switchdev_obj_in_state_mrp mrp_state = {
+		.obj.orig_dev = br->dev,
+		.obj.id = SWITCHDEV_OBJ_ID_IN_STATE_MRP,
+		.in_state = state,
+		.in_id = mrp->in_id,
+	};
+	int err;
+
+	err = switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);
+
+	if (err && err != -EOPNOTSUPP)
+		return err;
+
+	return 0;
+}
+
+int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
+				  u32 interval, u8 max_miss, u32 period)
+{
+	struct switchdev_obj_in_test_mrp test = {
+		.obj.orig_dev = br->dev,
+		.obj.id = SWITCHDEV_OBJ_ID_IN_TEST_MRP,
+		.interval = interval,
+		.max_miss = max_miss,
+		.in_id = mrp->in_id,
+		.period = period,
+	};
+	int err;
+
+	if (interval == 0)
+		err = switchdev_port_obj_del(br->dev, &test.obj);
+	else
+		err = switchdev_port_obj_add(br->dev, &test.obj, NULL);
+
+	return err;
+}
+
 int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
 				    enum br_mrp_port_state_type state)
 {

net/bridge/br_private_mrp.h

···
 				    enum br_mrp_port_state_type state);
 int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
 				   enum br_mrp_port_role_type role);
+int br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,
+				 u16 in_id, u32 ring_id,
+				 enum br_mrp_in_role_type role);
+int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp,
+				  enum br_mrp_in_state_type state);
+int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
+				  u32 interval, u8 max_miss, u32 period);
 
 /* br_mrp_netlink.c  */
 int br_mrp_ring_port_open(struct net_device *dev, u8 loc);