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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_mrp.c43
-rw-r--r--net/bridge/br_mrp_switchdev.c171
-rw-r--r--net/bridge/br_private_mrp.h38
-rw-r--r--net/dsa/dsa_priv.h26
-rw-r--r--net/dsa/port.c48
-rw-r--r--net/dsa/slave.c22
-rw-r--r--net/dsa/switch.c105
-rw-r--r--net/dsa/tag_ocelot.c8
8 files changed, 368 insertions, 93 deletions
diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index 01c67ed727a9c..12487f6fe9b48 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -639,7 +639,7 @@ int br_mrp_set_ring_role(struct net_bridge *br,
struct br_mrp_ring_role *role)
{
struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);
- int err;
+ enum br_mrp_hw_support support;
if (!mrp)
return -EINVAL;
@@ -647,9 +647,9 @@ int br_mrp_set_ring_role(struct net_bridge *br,
mrp->ring_role = role->ring_role;
/* If there is an error just bailed out */
- err = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);
- if (err && err != -EOPNOTSUPP)
- return err;
+ support = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);
+ if (support == BR_MRP_NONE)
+ return -EOPNOTSUPP;
/* Now detect if the HW actually applied the role or not. If the HW
* applied the role it means that the SW will not to do those operations
@@ -657,7 +657,7 @@ int br_mrp_set_ring_role(struct net_bridge *br,
* SW when ring is open, but if the is not pushed to the HW the SW will
* need to detect when the ring is open
*/
- mrp->ring_role_offloaded = err == -EOPNOTSUPP ? 0 : 1;
+ mrp->ring_role_offloaded = support == BR_MRP_SW ? 0 : 1;
return 0;
}
@@ -670,6 +670,7 @@ int br_mrp_start_test(struct net_bridge *br,
struct br_mrp_start_test *test)
{
struct br_mrp *mrp = br_mrp_find_id(br, test->ring_id);
+ enum br_mrp_hw_support support;
if (!mrp)
return -EINVAL;
@@ -677,9 +678,13 @@ int br_mrp_start_test(struct net_bridge *br,
/* Try to push it to the HW and if it fails then continue with SW
* implementation and if that also fails then return error.
*/
- if (!br_mrp_switchdev_send_ring_test(br, mrp, test->interval,
- test->max_miss, test->period,
- test->monitor))
+ support = br_mrp_switchdev_send_ring_test(br, mrp, test->interval,
+ test->max_miss, test->period,
+ test->monitor);
+ if (support == BR_MRP_NONE)
+ return -EOPNOTSUPP;
+
+ if (support == BR_MRP_HW)
return 0;
mrp->test_interval = test->interval;
@@ -721,8 +726,8 @@ int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state)
int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
{
struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);
+ enum br_mrp_hw_support support;
struct net_bridge_port *p;
- int err;
if (!mrp)
return -EINVAL;
@@ -780,10 +785,10 @@ int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
mrp->in_id = role->in_id;
/* If there is an error just bailed out */
- err = br_mrp_switchdev_set_in_role(br, mrp, role->in_id,
- role->ring_id, role->in_role);
- if (err && err != -EOPNOTSUPP)
- return err;
+ support = br_mrp_switchdev_set_in_role(br, mrp, role->in_id,
+ role->ring_id, role->in_role);
+ if (support == BR_MRP_NONE)
+ return -EOPNOTSUPP;
/* Now detect if the HW actually applied the role or not. If the HW
* applied the role it means that the SW will not to do those operations
@@ -791,7 +796,7 @@ int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
* SW when interconnect ring is open, but if the is not pushed to the HW
* the SW will need to detect when the interconnect ring is open.
*/
- mrp->in_role_offloaded = err == -EOPNOTSUPP ? 0 : 1;
+ mrp->in_role_offloaded = support == BR_MRP_SW ? 0 : 1;
return 0;
}
@@ -804,6 +809,7 @@ int br_mrp_start_in_test(struct net_bridge *br,
struct br_mrp_start_in_test *in_test)
{
struct br_mrp *mrp = br_mrp_find_in_id(br, in_test->in_id);
+ enum br_mrp_hw_support support;
if (!mrp)
return -EINVAL;
@@ -814,8 +820,13 @@ int br_mrp_start_in_test(struct net_bridge *br,
/* Try to push it to the HW and if it fails then continue with SW
* implementation and if that also fails then return error.
*/
- if (!br_mrp_switchdev_send_in_test(br, mrp, in_test->interval,
- in_test->max_miss, in_test->period))
+ support = br_mrp_switchdev_send_in_test(br, mrp, in_test->interval,
+ in_test->max_miss,
+ in_test->period);
+ if (support == BR_MRP_NONE)
+ return -EOPNOTSUPP;
+
+ if (support == BR_MRP_HW)
return 0;
mrp->in_test_interval = in_test->interval;
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
index 3c9a4abcf4eea..cb54b324fa8cc 100644
--- a/net/bridge/br_mrp_switchdev.c
+++ b/net/bridge/br_mrp_switchdev.c
@@ -4,6 +4,30 @@
#include "br_private_mrp.h"
+static enum br_mrp_hw_support
+br_mrp_switchdev_port_obj(struct net_bridge *br,
+ const struct switchdev_obj *obj, bool add)
+{
+ int err;
+
+ if (add)
+ err = switchdev_port_obj_add(br->dev, obj, NULL);
+ else
+ err = switchdev_port_obj_del(br->dev, obj);
+
+ /* In case of success just return and notify the SW that doesn't need
+ * to do anything
+ */
+ if (!err)
+ return BR_MRP_HW;
+
+ if (err != -EOPNOTSUPP)
+ return BR_MRP_NONE;
+
+ /* Continue with SW backup */
+ return BR_MRP_SW;
+}
+
int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)
{
struct switchdev_obj_mrp mrp_obj = {
@@ -14,14 +38,11 @@ int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)
.ring_id = mrp->ring_id,
.prio = mrp->prio,
};
- int err;
- err = switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- if (err && err != -EOPNOTSUPP)
- return err;
-
- return 0;
+ return switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);
}
int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp)
@@ -33,40 +54,54 @@ int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp)
.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;
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- return 0;
+ return switchdev_port_obj_del(br->dev, &mrp_obj.obj);
}
-int br_mrp_switchdev_set_ring_role(struct net_bridge *br,
- struct br_mrp *mrp,
- enum br_mrp_ring_role_type role)
+enum br_mrp_hw_support
+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,
+ .sw_backup = false,
};
+ enum br_mrp_hw_support support;
int err;
- if (role == BR_MRP_RING_ROLE_DISABLED)
- err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
- else
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return BR_MRP_SW;
+
+ support = br_mrp_switchdev_port_obj(br, &mrp_role.obj,
+ role != BR_MRP_RING_ROLE_DISABLED);
+ if (support != BR_MRP_SW)
+ return support;
+
+ /* If the driver can't configure to run completely the protocol in HW,
+ * then try again to configure the HW so the SW can run the protocol.
+ */
+ mrp_role.sw_backup = true;
+ if (role != BR_MRP_RING_ROLE_DISABLED)
err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL);
+ else
+ err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
- return err;
+ if (!err)
+ return BR_MRP_SW;
+
+ return BR_MRP_NONE;
}
-int br_mrp_switchdev_send_ring_test(struct net_bridge *br,
- struct br_mrp *mrp, u32 interval,
- u8 max_miss, u32 period,
- bool monitor)
+enum br_mrp_hw_support
+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,
@@ -77,14 +112,11 @@ int br_mrp_switchdev_send_ring_test(struct net_bridge *br,
.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);
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return BR_MRP_SW;
- return err;
+ return br_mrp_switchdev_port_obj(br, &test.obj, interval != 0);
}
int br_mrp_switchdev_set_ring_state(struct net_bridge *br,
@@ -97,19 +129,17 @@ int br_mrp_switchdev_set_ring_state(struct net_bridge *br,
.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;
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- return 0;
+ return switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);
}
-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)
+enum br_mrp_hw_support
+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,
@@ -118,15 +148,32 @@ int br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,
.in_id = mrp->in_id,
.ring_id = mrp->ring_id,
.i_port = rtnl_dereference(mrp->i_port)->dev,
+ .sw_backup = false,
};
+ enum br_mrp_hw_support support;
int err;
- if (role == BR_MRP_IN_ROLE_DISABLED)
- err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
- else
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return BR_MRP_SW;
+
+ support = br_mrp_switchdev_port_obj(br, &mrp_role.obj,
+ role != BR_MRP_IN_ROLE_DISABLED);
+ if (support != BR_MRP_NONE)
+ return support;
+
+ /* If the driver can't configure to run completely the protocol in HW,
+ * then try again to configure the HW so the SW can run the protocol.
+ */
+ mrp_role.sw_backup = true;
+ if (role != BR_MRP_IN_ROLE_DISABLED)
err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL);
+ else
+ err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
+
+ if (!err)
+ return BR_MRP_SW;
- return err;
+ return BR_MRP_NONE;
}
int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp,
@@ -138,18 +185,16 @@ int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *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;
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- return 0;
+ return switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);
}
-int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
- u32 interval, u8 max_miss, u32 period)
+enum br_mrp_hw_support
+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,
@@ -159,14 +204,11 @@ int br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
.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);
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return BR_MRP_SW;
- return err;
+ return br_mrp_switchdev_port_obj(br, &test.obj, interval != 0);
}
int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state)
@@ -176,14 +218,11 @@ int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state)
.id = SWITCHDEV_ATTR_ID_PORT_STP_STATE,
.u.stp_state = state,
};
- int err;
- err = switchdev_port_attr_set(p->dev, &attr, NULL);
- 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);
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- return err;
+ return switchdev_port_attr_set(p->dev, &attr, NULL);
}
int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
@@ -194,11 +233,9 @@ int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
.id = SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
.u.mrp_port_role = role,
};
- int err;
- err = switchdev_port_attr_set(p->dev, &attr, NULL);
- if (err && err != -EOPNOTSUPP)
- return err;
+ if (!IS_ENABLED(CONFIG_NET_SWITCHDEV))
+ return 0;
- return 0;
+ return switchdev_port_attr_set(p->dev, &attr, NULL);
}
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index 2514954c14316..9559aa2750fbc 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -46,6 +46,20 @@ struct br_mrp {
struct rcu_head rcu;
};
+/* This type is returned by br_mrp_switchdev functions that allow to have a SW
+ * backup in case the HW can't implement completely the protocol.
+ * BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops
+ * configuring the node anymore.
+ * BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP
+ * frames to CPU.
+ * BR_MRP_HW - the HW can implement completely the protocol.
+ */
+enum br_mrp_hw_support {
+ BR_MRP_NONE,
+ BR_MRP_SW,
+ BR_MRP_HW,
+};
+
/* br_mrp.c */
int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance);
int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);
@@ -65,23 +79,27 @@ int br_mrp_start_in_test(struct net_bridge *br,
/* br_mrp_switchdev.c */
int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp);
int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp);
-int br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp,
- enum br_mrp_ring_role_type role);
+enum br_mrp_hw_support
+br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp,
+ enum br_mrp_ring_role_type role);
int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp,
enum br_mrp_ring_state_type state);
-int br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
- u32 interval, u8 max_miss, u32 period,
- bool monitor);
+enum br_mrp_hw_support
+br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
+ u32 interval, u8 max_miss, u32 period,
+ bool monitor);
int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 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);
+enum br_mrp_hw_support
+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);
+enum br_mrp_hw_support
+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);
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index e9d1e76c42ba2..2eeaa42f2e083 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -31,6 +31,10 @@ enum {
DSA_NOTIFIER_VLAN_DEL,
DSA_NOTIFIER_MTU,
DSA_NOTIFIER_TAG_PROTO,
+ DSA_NOTIFIER_MRP_ADD,
+ DSA_NOTIFIER_MRP_DEL,
+ DSA_NOTIFIER_MRP_ADD_RING_ROLE,
+ DSA_NOTIFIER_MRP_DEL_RING_ROLE,
};
/* DSA_NOTIFIER_AGEING_TIME */
@@ -91,6 +95,20 @@ struct dsa_notifier_tag_proto_info {
const struct dsa_device_ops *tag_ops;
};
+/* DSA_NOTIFIER_MRP_* */
+struct dsa_notifier_mrp_info {
+ const struct switchdev_obj_mrp *mrp;
+ int sw_index;
+ int port;
+};
+
+/* DSA_NOTIFIER_MRP_* */
+struct dsa_notifier_mrp_ring_role_info {
+ const struct switchdev_obj_ring_role_mrp *mrp;
+ int sw_index;
+ int port;
+};
+
struct dsa_switchdev_event_work {
struct dsa_switch *ds;
int port;
@@ -198,6 +216,14 @@ int dsa_port_vlan_add(struct dsa_port *dp,
struct netlink_ext_ack *extack);
int dsa_port_vlan_del(struct dsa_port *dp,
const struct switchdev_obj_port_vlan *vlan);
+int dsa_port_mrp_add(const struct dsa_port *dp,
+ const struct switchdev_obj_mrp *mrp);
+int dsa_port_mrp_del(const struct dsa_port *dp,
+ const struct switchdev_obj_mrp *mrp);
+int dsa_port_mrp_add_ring_role(const struct dsa_port *dp,
+ const struct switchdev_obj_ring_role_mrp *mrp);
+int dsa_port_mrp_del_ring_role(const struct dsa_port *dp,
+ const struct switchdev_obj_ring_role_mrp *mrp);
int dsa_port_link_register_of(struct dsa_port *dp);
void dsa_port_link_unregister_of(struct dsa_port *dp);
int dsa_port_hsr_join(struct dsa_port *dp, struct net_device *hsr);
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 14a1d0d776573..c9c6d7ab3f476 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -564,6 +564,54 @@ int dsa_port_vlan_del(struct dsa_port *dp,
return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_DEL, &info);
}
+int dsa_port_mrp_add(const struct dsa_port *dp,
+ const struct switchdev_obj_mrp *mrp)
+{
+ struct dsa_notifier_mrp_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .mrp = mrp,
+ };
+
+ return dsa_port_notify(dp, DSA_NOTIFIER_MRP_ADD, &info);
+}
+
+int dsa_port_mrp_del(const struct dsa_port *dp,
+ const struct switchdev_obj_mrp *mrp)
+{
+ struct dsa_notifier_mrp_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .mrp = mrp,
+ };
+
+ return dsa_port_notify(dp, DSA_NOTIFIER_MRP_DEL, &info);
+}
+
+int dsa_port_mrp_add_ring_role(const struct dsa_port *dp,
+ const struct switchdev_obj_ring_role_mrp *mrp)
+{
+ struct dsa_notifier_mrp_ring_role_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .mrp = mrp,
+ };
+
+ return dsa_port_notify(dp, DSA_NOTIFIER_MRP_ADD_RING_ROLE, &info);
+}
+
+int dsa_port_mrp_del_ring_role(const struct dsa_port *dp,
+ const struct switchdev_obj_ring_role_mrp *mrp)
+{
+ struct dsa_notifier_mrp_ring_role_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .mrp = mrp,
+ };
+
+ return dsa_port_notify(dp, DSA_NOTIFIER_MRP_DEL_RING_ROLE, &info);
+}
+
void dsa_port_set_tag_protocol(struct dsa_port *cpu_dp,
const struct dsa_device_ops *tag_ops)
{
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 5ecb43a1b6e07..491e3761b5f4a 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -404,6 +404,17 @@ static int dsa_slave_port_obj_add(struct net_device *dev,
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dsa_slave_vlan_add(dev, obj, extack);
break;
+ case SWITCHDEV_OBJ_ID_MRP:
+ if (!dsa_port_offloads_netdev(dp, obj->orig_dev))
+ return -EOPNOTSUPP;
+ err = dsa_port_mrp_add(dp, SWITCHDEV_OBJ_MRP(obj));
+ break;
+ case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
+ if (!dsa_port_offloads_netdev(dp, obj->orig_dev))
+ return -EOPNOTSUPP;
+ err = dsa_port_mrp_add_ring_role(dp,
+ SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
+ break;
default:
err = -EOPNOTSUPP;
break;
@@ -461,6 +472,17 @@ static int dsa_slave_port_obj_del(struct net_device *dev,
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dsa_slave_vlan_del(dev, obj);
break;
+ case SWITCHDEV_OBJ_ID_MRP:
+ if (!dsa_port_offloads_netdev(dp, obj->orig_dev))
+ return -EOPNOTSUPP;
+ err = dsa_port_mrp_del(dp, SWITCHDEV_OBJ_MRP(obj));
+ break;
+ case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
+ if (!dsa_port_offloads_netdev(dp, obj->orig_dev))
+ return -EOPNOTSUPP;
+ err = dsa_port_mrp_del_ring_role(dp,
+ SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
+ break;
default:
err = -EOPNOTSUPP;
break;
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index db2a9b2219889..4b5da89dc27a2 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -372,6 +372,99 @@ static int dsa_switch_change_tag_proto(struct dsa_switch *ds,
return 0;
}
+static bool dsa_switch_mrp_match(struct dsa_switch *ds, int port,
+ struct dsa_notifier_mrp_info *info)
+{
+ if (ds->index == info->sw_index && port == info->port)
+ return true;
+
+ if (dsa_is_dsa_port(ds, port))
+ return true;
+
+ return false;
+}
+
+static int dsa_switch_mrp_add(struct dsa_switch *ds,
+ struct dsa_notifier_mrp_info *info)
+{
+ int err = 0;
+ int port;
+
+ if (!ds->ops->port_mrp_add)
+ return -EOPNOTSUPP;
+
+ for (port = 0; port < ds->num_ports; port++) {
+ if (dsa_switch_mrp_match(ds, port, info)) {
+ err = ds->ops->port_mrp_add(ds, port, info->mrp);
+ if (err)
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int dsa_switch_mrp_del(struct dsa_switch *ds,
+ struct dsa_notifier_mrp_info *info)
+{
+ if (!ds->ops->port_mrp_del)
+ return -EOPNOTSUPP;
+
+ if (ds->index == info->sw_index)
+ return ds->ops->port_mrp_del(ds, info->port, info->mrp);
+
+ return 0;
+}
+
+static bool
+dsa_switch_mrp_ring_role_match(struct dsa_switch *ds, int port,
+ struct dsa_notifier_mrp_ring_role_info *info)
+{
+ if (ds->index == info->sw_index && port == info->port)
+ return true;
+
+ if (dsa_is_dsa_port(ds, port))
+ return true;
+
+ return false;
+}
+
+static int
+dsa_switch_mrp_add_ring_role(struct dsa_switch *ds,
+ struct dsa_notifier_mrp_ring_role_info *info)
+{
+ int err = 0;
+ int port;
+
+ if (!ds->ops->port_mrp_add)
+ return -EOPNOTSUPP;
+
+ for (port = 0; port < ds->num_ports; port++) {
+ if (dsa_switch_mrp_ring_role_match(ds, port, info)) {
+ err = ds->ops->port_mrp_add_ring_role(ds, port,
+ info->mrp);
+ if (err)
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int
+dsa_switch_mrp_del_ring_role(struct dsa_switch *ds,
+ struct dsa_notifier_mrp_ring_role_info *info)
+{
+ if (!ds->ops->port_mrp_del)
+ return -EOPNOTSUPP;
+
+ if (ds->index == info->sw_index)
+ return ds->ops->port_mrp_del_ring_role(ds, info->port,
+ info->mrp);
+
+ return 0;
+}
+
static int dsa_switch_event(struct notifier_block *nb,
unsigned long event, void *info)
{
@@ -427,6 +520,18 @@ static int dsa_switch_event(struct notifier_block *nb,
case DSA_NOTIFIER_TAG_PROTO:
err = dsa_switch_change_tag_proto(ds, info);
break;
+ case DSA_NOTIFIER_MRP_ADD:
+ err = dsa_switch_mrp_add(ds, info);
+ break;
+ case DSA_NOTIFIER_MRP_DEL:
+ err = dsa_switch_mrp_del(ds, info);
+ break;
+ case DSA_NOTIFIER_MRP_ADD_RING_ROLE:
+ err = dsa_switch_mrp_add_ring_role(ds, info);
+ break;
+ case DSA_NOTIFIER_MRP_DEL_RING_ROLE:
+ err = dsa_switch_mrp_del_ring_role(ds, info);
+ break;
default:
err = -EOPNOTSUPP;
break;
diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c
index f9df9cac81c58..743809b5806b8 100644
--- a/net/dsa/tag_ocelot.c
+++ b/net/dsa/tag_ocelot.c
@@ -83,6 +83,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb,
struct dsa_port *dp;
u8 *extraction;
u16 vlan_tpid;
+ u64 cpuq;
/* Revert skb->data by the amount consumed by the DSA master,
* so it points to the beginning of the frame.
@@ -112,6 +113,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb,
ocelot_xfh_get_qos_class(extraction, &qos_class);
ocelot_xfh_get_tag_type(extraction, &tag_type);
ocelot_xfh_get_vlan_tci(extraction, &vlan_tci);
+ ocelot_xfh_get_cpuq(extraction, &cpuq);
skb->dev = dsa_master_find_slave(netdev, 0, src_port);
if (!skb->dev)
@@ -126,6 +128,12 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb,
skb->offload_fwd_mark = 1;
skb->priority = qos_class;
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ if (eth_hdr(skb)->h_proto == cpu_to_be16(ETH_P_MRP) &&
+ cpuq & BIT(OCELOT_MRP_CPUQ))
+ skb->offload_fwd_mark = 0;
+#endif
+
/* Ocelot switches copy frames unmodified to the CPU. However, it is
* possible for the user to request a VLAN modification through
* VCAP_IS1_ACT_VID_REPLACE_ENA. In this case, what will happen is that
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-06 14:07:34 +0000