1 files changed, 193 insertions, 1 deletions

diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index ca6e26e514f0..97e2e9c8cf3f 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -12,7 +12,47 @@
 
 #include <linux/netdevice.h>
 #include <linux/notifier.h>
-#include <net/dsa.h>
+#include <net/switchdev.h>
+
+#include "dsa_priv.h"
+
+static unsigned int dsa_switch_fastest_ageing_time(struct dsa_switch *ds,
+						   unsigned int ageing_time)
+{
+	int i;
+
+	for (i = 0; i < ds->num_ports; ++i) {
+		struct dsa_port *dp = &ds->ports[i];
+
+		if (dp->ageing_time && dp->ageing_time < ageing_time)
+			ageing_time = dp->ageing_time;
+	}
+
+	return ageing_time;
+}
+
+static int dsa_switch_ageing_time(struct dsa_switch *ds,
+				  struct dsa_notifier_ageing_time_info *info)
+{
+	unsigned int ageing_time = info->ageing_time;
+	struct switchdev_trans *trans = info->trans;
+
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (ds->ageing_time_min && ageing_time < ds->ageing_time_min)
+			return -ERANGE;
+		if (ds->ageing_time_max && ageing_time > ds->ageing_time_max)
+			return -ERANGE;
+		return 0;
+	}
+
+	/* Program the fastest ageing time in case of multiple bridges */
+	ageing_time = dsa_switch_fastest_ageing_time(ds, ageing_time);
+
+	if (ds->ops->set_ageing_time)
+		return ds->ops->set_ageing_time(ds, ageing_time);
+
+	return 0;
+}
 
 static int dsa_switch_bridge_join(struct dsa_switch *ds,
 				  struct dsa_notifier_bridge_info *info)
@@ -40,6 +80,137 @@ static int dsa_switch_bridge_leave(struct dsa_switch *ds,
 	return 0;
 }
 
+static int dsa_switch_fdb_add(struct dsa_switch *ds,
+			      struct dsa_notifier_fdb_info *info)
+{
+	const struct switchdev_obj_port_fdb *fdb = info->fdb;
+	struct switchdev_trans *trans = info->trans;
+
+	/* Do not care yet about other switch chips of the fabric */
+	if (ds->index != info->sw_index)
+		return 0;
+
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (!ds->ops->port_fdb_prepare || !ds->ops->port_fdb_add)
+			return -EOPNOTSUPP;
+
+		return ds->ops->port_fdb_prepare(ds, info->port, fdb, trans);
+	}
+
+	ds->ops->port_fdb_add(ds, info->port, fdb, trans);
+
+	return 0;
+}
+
+static int dsa_switch_fdb_del(struct dsa_switch *ds,
+			      struct dsa_notifier_fdb_info *info)
+{
+	const struct switchdev_obj_port_fdb *fdb = info->fdb;
+
+	/* Do not care yet about other switch chips of the fabric */
+	if (ds->index != info->sw_index)
+		return 0;
+
+	if (!ds->ops->port_fdb_del)
+		return -EOPNOTSUPP;
+
+	return ds->ops->port_fdb_del(ds, info->port, fdb);
+}
+
+static int dsa_switch_mdb_add(struct dsa_switch *ds,
+			      struct dsa_notifier_mdb_info *info)
+{
+	const struct switchdev_obj_port_mdb *mdb = info->mdb;
+	struct switchdev_trans *trans = info->trans;
+	DECLARE_BITMAP(group, ds->num_ports);
+	int port, err;
+
+	/* Build a mask of Multicast group members */
+	bitmap_zero(group, ds->num_ports);
+	if (ds->index == info->sw_index)
+		set_bit(info->port, group);
+	for (port = 0; port < ds->num_ports; port++)
+		if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
+			set_bit(port, group);
+
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (!ds->ops->port_mdb_prepare || !ds->ops->port_mdb_add)
+			return -EOPNOTSUPP;
+
+		for_each_set_bit(port, group, ds->num_ports) {
+			err = ds->ops->port_mdb_prepare(ds, port, mdb, trans);
+			if (err)
+				return err;
+		}
+	}
+
+	for_each_set_bit(port, group, ds->num_ports)
+		ds->ops->port_mdb_add(ds, port, mdb, trans);
+
+	return 0;
+}
+
+static int dsa_switch_mdb_del(struct dsa_switch *ds,
+			      struct dsa_notifier_mdb_info *info)
+{
+	const struct switchdev_obj_port_mdb *mdb = info->mdb;
+
+	if (!ds->ops->port_mdb_del)
+		return -EOPNOTSUPP;
+
+	if (ds->index == info->sw_index)
+		return ds->ops->port_mdb_del(ds, info->port, mdb);
+
+	return 0;
+}
+
+static int dsa_switch_vlan_add(struct dsa_switch *ds,
+			       struct dsa_notifier_vlan_info *info)
+{
+	const struct switchdev_obj_port_vlan *vlan = info->vlan;
+	struct switchdev_trans *trans = info->trans;
+	DECLARE_BITMAP(members, ds->num_ports);
+	int port, err;
+
+	/* Build a mask of VLAN members */
+	bitmap_zero(members, ds->num_ports);
+	if (ds->index == info->sw_index)
+		set_bit(info->port, members);
+	for (port = 0; port < ds->num_ports; port++)
+		if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
+			set_bit(port, members);
+
+	if (switchdev_trans_ph_prepare(trans)) {
+		if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add)
+			return -EOPNOTSUPP;
+
+		for_each_set_bit(port, members, ds->num_ports) {
+			err = ds->ops->port_vlan_prepare(ds, port, vlan, trans);
+			if (err)
+				return err;
+		}
+	}
+
+	for_each_set_bit(port, members, ds->num_ports)
+		ds->ops->port_vlan_add(ds, port, vlan, trans);
+
+	return 0;
+}
+
+static int dsa_switch_vlan_del(struct dsa_switch *ds,
+			       struct dsa_notifier_vlan_info *info)
+{
+	const struct switchdev_obj_port_vlan *vlan = info->vlan;
+
+	if (!ds->ops->port_vlan_del)
+		return -EOPNOTSUPP;
+
+	if (ds->index == info->sw_index)
+		return ds->ops->port_vlan_del(ds, info->port, vlan);
+
+	return 0;
+}
+
 static int dsa_switch_event(struct notifier_block *nb,
 			    unsigned long event, void *info)
 {
@@ -47,12 +218,33 @@ static int dsa_switch_event(struct notifier_block *nb,
 	int err;
 
 	switch (event) {
+	case DSA_NOTIFIER_AGEING_TIME:
+		err = dsa_switch_ageing_time(ds, info);
+		break;
 	case DSA_NOTIFIER_BRIDGE_JOIN:
 		err = dsa_switch_bridge_join(ds, info);
 		break;
 	case DSA_NOTIFIER_BRIDGE_LEAVE:
 		err = dsa_switch_bridge_leave(ds, info);
 		break;
+	case DSA_NOTIFIER_FDB_ADD:
+		err = dsa_switch_fdb_add(ds, info);
+		break;
+	case DSA_NOTIFIER_FDB_DEL:
+		err = dsa_switch_fdb_del(ds, info);
+		break;
+	case DSA_NOTIFIER_MDB_ADD:
+		err = dsa_switch_mdb_add(ds, info);
+		break;
+	case DSA_NOTIFIER_MDB_DEL:
+		err = dsa_switch_mdb_del(ds, info);
+		break;
+	case DSA_NOTIFIER_VLAN_ADD:
+		err = dsa_switch_vlan_add(ds, info);
+		break;
+	case DSA_NOTIFIER_VLAN_DEL:
+		err = dsa_switch_vlan_del(ds, info);
+		break;
 	default:
 		err = -EOPNOTSUPP;
 		break;