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Diffstat (limited to 'net/dsa/switch.c')
-rw-r--r--net/dsa/switch.c194
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;