diff options
author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2016-08-31 11:50:05 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-08-31 14:15:43 -0700 |
commit | 7df8fbdd44fa3c7ed53964c95e440b0286fd0836 (patch) | |
tree | b99ac0142b8b97a6aff835089b003eb721357de2 /drivers | |
parent | 83dabd1fa84cdf288303f8cbe7a56849bb553ea9 (diff) |
net: dsa: mv88e6xxx: add MDB support
Add support for the MDB operations. This consists of
loading/purging/dumping multicast addresses for a given port in the ATU.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index acb3167e778e..e2a953e7f5f5 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2240,6 +2240,15 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip, fdb->ndm_state = NUD_NOARP; else fdb->ndm_state = NUD_REACHABLE; + } else if (obj->id == SWITCHDEV_OBJ_ID_PORT_MDB) { + struct switchdev_obj_port_mdb *mdb; + + if (!is_multicast_ether_addr(addr.mac)) + continue; + + mdb = SWITCHDEV_OBJ_PORT_MDB(obj); + mdb->vid = vid; + ether_addr_copy(mdb->addr, addr.mac); } else { return -EOPNOTSUPP; } @@ -3994,6 +4003,58 @@ free: return NULL; } +static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct switchdev_trans *trans) +{ + /* We don't need any dynamic resource from the kernel (yet), + * so skip the prepare phase. + */ + + return 0; +} + +static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct switchdev_trans *trans) +{ + struct mv88e6xxx_chip *chip = ds_to_priv(ds); + + mutex_lock(&chip->reg_lock); + if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, + GLOBAL_ATU_DATA_STATE_MC_STATIC)) + netdev_err(ds->ports[port].netdev, "failed to load multicast MAC address\n"); + mutex_unlock(&chip->reg_lock); +} + +static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct mv88e6xxx_chip *chip = ds_to_priv(ds); + int err; + + mutex_lock(&chip->reg_lock); + err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, + GLOBAL_ATU_DATA_STATE_UNUSED); + mutex_unlock(&chip->reg_lock); + + return err; +} + +static int mv88e6xxx_port_mdb_dump(struct dsa_switch *ds, int port, + struct switchdev_obj_port_mdb *mdb, + 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, &mdb->obj, cb); + mutex_unlock(&chip->reg_lock); + + return err; +} + static struct dsa_switch_ops mv88e6xxx_switch_ops = { .probe = mv88e6xxx_drv_probe, .get_tag_protocol = mv88e6xxx_get_tag_protocol, @@ -4029,6 +4090,10 @@ static struct dsa_switch_ops mv88e6xxx_switch_ops = { .port_fdb_add = mv88e6xxx_port_fdb_add, .port_fdb_del = mv88e6xxx_port_fdb_del, .port_fdb_dump = mv88e6xxx_port_fdb_dump, + .port_mdb_prepare = mv88e6xxx_port_mdb_prepare, + .port_mdb_add = mv88e6xxx_port_mdb_add, + .port_mdb_del = mv88e6xxx_port_mdb_del, + .port_mdb_dump = mv88e6xxx_port_mdb_dump, }; static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip, |