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-rw-r--r--net/bridge/br_mrp_switchdev.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
new file mode 100644
index 000000000..75a7e8d0a
--- /dev/null
+++ b/net/bridge/br_mrp_switchdev.c
@@ -0,0 +1,204 @@
+// 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,
+ .prio = mrp->prio,
+ };
+ 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,
+ bool monitor)
+{
+ 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,
+ .monitor = monitor,
+ };
+ 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_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, u32 state)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = p->dev,
+ .id = SWITCHDEV_ATTR_ID_PORT_STP_STATE,
+ .u.stp_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;
+}