openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Vivien Didelot 2016-08-31 11:50:05 -04:00 committed by David S. Miller
parent 83dabd1fa8
commit 7df8fbdd44
1 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -2240,6 +2240,15 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
fdb->ndm_state = NUD_NOARP; fdb->ndm_state = NUD_NOARP;
else else
fdb->ndm_state = NUD_REACHABLE; 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 { } else {
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
@ -3994,6 +4003,58 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
return NULL; 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 = { static struct dsa_switch_ops mv88e6xxx_switch_ops = {
.probe = mv88e6xxx_drv_probe, .probe = mv88e6xxx_drv_probe,
.get_tag_protocol = mv88e6xxx_get_tag_protocol, .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_add = mv88e6xxx_port_fdb_add,
.port_fdb_del = mv88e6xxx_port_fdb_del, .port_fdb_del = mv88e6xxx_port_fdb_del,
.port_fdb_dump = mv88e6xxx_port_fdb_dump, .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, static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip,