diff options
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 100 |
1 files changed, 57 insertions, 43 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 4e697eea6e0f..acb3167e778e 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2093,9 +2093,9 @@ static int _mv88e6xxx_atu_load(struct mv88e6xxx_chip *chip, return _mv88e6xxx_atu_cmd(chip, entry->fid, GLOBAL_ATU_OP_LOAD_DB); } -static int _mv88e6xxx_port_fdb_load(struct mv88e6xxx_chip *chip, int port, - const unsigned char *addr, u16 vid, - u8 state) +static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port, + const unsigned char *addr, u16 vid, + u8 state) { struct mv88e6xxx_atu_entry entry = { 0 }; struct mv88e6xxx_vtu_stu_entry vlan; @@ -2134,15 +2134,12 @@ static void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, const struct switchdev_obj_port_fdb *fdb, struct switchdev_trans *trans) { - int state = is_multicast_ether_addr(fdb->addr) ? - GLOBAL_ATU_DATA_STATE_MC_STATIC : - GLOBAL_ATU_DATA_STATE_UC_STATIC; struct mv88e6xxx_chip *chip = ds_to_priv(ds); mutex_lock(&chip->reg_lock); - if (_mv88e6xxx_port_fdb_load(chip, port, fdb->addr, fdb->vid, state)) - netdev_err(ds->ports[port].netdev, - "failed to load MAC address\n"); + if (mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid, + GLOBAL_ATU_DATA_STATE_UC_STATIC)) + netdev_err(ds->ports[port].netdev, "failed to load unicast MAC address\n"); mutex_unlock(&chip->reg_lock); } @@ -2150,14 +2147,14 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, const struct switchdev_obj_port_fdb *fdb) { struct mv88e6xxx_chip *chip = ds_to_priv(ds); - int ret; + int err; mutex_lock(&chip->reg_lock); - ret = _mv88e6xxx_port_fdb_load(chip, port, fdb->addr, fdb->vid, - GLOBAL_ATU_DATA_STATE_UNUSED); + err = mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid, + GLOBAL_ATU_DATA_STATE_UNUSED); mutex_unlock(&chip->reg_lock); - return ret; + return err; } static int _mv88e6xxx_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid, @@ -2205,10 +2202,10 @@ static int _mv88e6xxx_atu_getnext(struct mv88e6xxx_chip *chip, u16 fid, return 0; } -static int _mv88e6xxx_port_fdb_dump_one(struct mv88e6xxx_chip *chip, - u16 fid, u16 vid, int port, - struct switchdev_obj_port_fdb *fdb, - int (*cb)(struct switchdev_obj *obj)) +static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, + u16 fid, u16 vid, int port, + struct switchdev_obj *obj, + int (*cb)(struct switchdev_obj *obj)) { struct mv88e6xxx_atu_entry addr = { .mac = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, @@ -2222,72 +2219,89 @@ static int _mv88e6xxx_port_fdb_dump_one(struct mv88e6xxx_chip *chip, do { err = _mv88e6xxx_atu_getnext(chip, fid, &addr); if (err) - break; + return err; if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED) break; - if (!addr.trunk && addr.portv_trunkid & BIT(port)) { - bool is_static = addr.state == - (is_multicast_ether_addr(addr.mac) ? - GLOBAL_ATU_DATA_STATE_MC_STATIC : - GLOBAL_ATU_DATA_STATE_UC_STATIC); + if (addr.trunk || (addr.portv_trunkid & BIT(port)) == 0) + continue; + + if (obj->id == SWITCHDEV_OBJ_ID_PORT_FDB) { + struct switchdev_obj_port_fdb *fdb; + if (!is_unicast_ether_addr(addr.mac)) + continue; + + fdb = SWITCHDEV_OBJ_PORT_FDB(obj); fdb->vid = vid; ether_addr_copy(fdb->addr, addr.mac); - fdb->ndm_state = is_static ? NUD_NOARP : NUD_REACHABLE; - - err = cb(&fdb->obj); - if (err) - break; + if (addr.state == GLOBAL_ATU_DATA_STATE_UC_STATIC) + fdb->ndm_state = NUD_NOARP; + else + fdb->ndm_state = NUD_REACHABLE; + } else { + return -EOPNOTSUPP; } + + err = cb(obj); + if (err) + return err; } while (!is_broadcast_ether_addr(addr.mac)); return err; } -static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port, - struct switchdev_obj_port_fdb *fdb, - int (*cb)(struct switchdev_obj *obj)) +static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port, + struct switchdev_obj *obj, + int (*cb)(struct switchdev_obj *obj)) { - struct mv88e6xxx_chip *chip = ds_to_priv(ds); struct mv88e6xxx_vtu_stu_entry vlan = { .vid = GLOBAL_VTU_VID_MASK, /* all ones */ }; u16 fid; int err; - mutex_lock(&chip->reg_lock); - /* Dump port's default Filtering Information Database (VLAN ID 0) */ err = _mv88e6xxx_port_fid_get(chip, port, &fid); if (err) - goto unlock; + return err; - err = _mv88e6xxx_port_fdb_dump_one(chip, fid, 0, port, fdb, cb); + err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, obj, cb); if (err) - goto unlock; + return err; /* Dump VLANs' Filtering Information Databases */ err = _mv88e6xxx_vtu_vid_write(chip, vlan.vid); if (err) - goto unlock; + return err; do { err = _mv88e6xxx_vtu_getnext(chip, &vlan); if (err) - break; + return err; if (!vlan.valid) break; - err = _mv88e6xxx_port_fdb_dump_one(chip, vlan.fid, vlan.vid, - port, fdb, cb); + err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port, + obj, cb); if (err) - break; + return err; } while (vlan.vid < GLOBAL_VTU_VID_MASK); -unlock: + return err; +} + +static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port, + struct switchdev_obj_port_fdb *fdb, + int (*cb)(struct switchdev_obj *obj)) +{ + struct mv88e6xxx_chip *chip = ds_to_priv(ds); + int err; + + mutex_lock(&chip->reg_lock); + err = mv88e6xxx_port_db_dump(chip, port, &fdb->obj, cb); mutex_unlock(&chip->reg_lock); return err; |