Commit fadd4091 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by David S. Miller
Browse files

bridge: switchdev: mrp: Implement MRP API for switchdev 



Implement the MRP api for switchdev.
These functions will just eventually call the switchdev functions:
switchdev_port_obj_add/del and switchdev_port_attr_set.

Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c284b545

net/bridge/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -25,3 +25,5 @@ bridge-$(CONFIG_BRIDGE_VLAN_FILTERING) += br_vlan.o br_vlan_tunnel.o br_vlan_opt 
bridge-$(CONFIG_NET_SWITCHDEV) += br_switchdev.o



obj-$(CONFIG_NETFILTER) += netfilter/



bridge-$(CONFIG_BRIDGE_MRP)	+= br_mrp_switchdev.o

net/bridge/br_mrp_switchdev.c

0 → 100644
+140 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later



#include <net/switchdev.h>



#include "br_private_mrp.h"



int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)

{

	struct switchdev_obj_mrp mrp_obj = {

		.obj.orig_dev = br->dev,

		.obj.id = SWITCHDEV_OBJ_ID_MRP,

		.p_port = rtnl_dereference(mrp->p_port)->dev,

		.s_port = rtnl_dereference(mrp->s_port)->dev,

		.ring_id = mrp->ring_id,

	};

	int err;



	err = switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);



	if (err && err != -EOPNOTSUPP)

		return err;



	return 0;

}



int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp)

{

	struct switchdev_obj_mrp mrp_obj = {

		.obj.orig_dev = br->dev,

		.obj.id = SWITCHDEV_OBJ_ID_MRP,

		.p_port = NULL,

		.s_port = NULL,

		.ring_id = mrp->ring_id,

	};

	int err;



	err = switchdev_port_obj_del(br->dev, &mrp_obj.obj);



	if (err && err != -EOPNOTSUPP)

		return err;



	return 0;

}



int br_mrp_switchdev_set_ring_role(struct net_bridge *br,

				   struct br_mrp *mrp,

				   enum br_mrp_ring_role_type role)

{

	struct switchdev_obj_ring_role_mrp mrp_role = {

		.obj.orig_dev = br->dev,

		.obj.id = SWITCHDEV_OBJ_ID_RING_ROLE_MRP,

		.ring_role = role,

		.ring_id = mrp->ring_id,

	};

	int err;



	if (role == BR_MRP_RING_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_send_ring_test(struct net_bridge *br,

				    struct br_mrp *mrp, u32 interval,

				    u8 max_miss, u32 period)

{

	struct switchdev_obj_ring_test_mrp test = {

		.obj.orig_dev = br->dev,

		.obj.id = SWITCHDEV_OBJ_ID_RING_TEST_MRP,

		.interval = interval,

		.max_miss = max_miss,

		.ring_id = mrp->ring_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_switchdev_set_ring_state(struct net_bridge *br,

				    struct br_mrp *mrp,

				    enum br_mrp_ring_state_type state)

{

	struct switchdev_obj_ring_state_mrp mrp_state = {

		.obj.orig_dev = br->dev,

		.obj.id = SWITCHDEV_OBJ_ID_RING_STATE_MRP,

		.ring_state = state,

		.ring_id = mrp->ring_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_port_switchdev_set_state(struct net_bridge_port *p,

				    enum br_mrp_port_state_type state)

{

	struct switchdev_attr attr = {

		.orig_dev = p->dev,

		.id = SWITCHDEV_ATTR_ID_MRP_PORT_STATE,

		.u.mrp_port_state = state,

	};

	int err;



	err = switchdev_port_attr_set(p->dev, &attr);

	if (err && err != -EOPNOTSUPP)

		br_warn(p->br, "error setting offload MRP state on port %u(%s)\n",

			(unsigned int)p->port_no, p->dev->name);



	return err;

}



int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,

				   enum br_mrp_port_role_type role)

{

	struct switchdev_attr attr = {

		.orig_dev = p->dev,

		.id = SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,

		.u.mrp_port_role = role,

	};

	int err;



	err = switchdev_port_attr_set(p->dev, &attr);

	if (err && err != -EOPNOTSUPP)

		return err;



	return 0;

}