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net: dsa: add port fdb dump 

Dumping a DSA port's FDB entries is not specific to a DSA slave, so add
a dsa_port_fdb_dump function, similarly to dsa_port_fdb_add and
dsa_port_fdb_del.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2017-09-20 19:32:14 -04:00 committed by David S. Miller
parent 4fa7b71888
commit de40fc5d21
3 changed files with 14 additions and 7 deletions
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1
net/dsa/dsa_priv.h
View File

@ -128,6 +128,7 @@ int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
u16 vid);
int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
u16 vid);
int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
int dsa_port_mdb_add(struct dsa_port *dp,
const struct switchdev_obj_port_mdb *mdb,
struct switchdev_trans *trans);

11
net/dsa/port.c
View File

@ -173,6 +173,17 @@ int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
return dsa_port_notify(dp, DSA_NOTIFIER_FDB_DEL, &info);
}
int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data)
{
struct dsa_switch *ds = dp->ds;
int port = dp->index;
if (!ds->ops->port_fdb_dump)
return -EOPNOTSUPP;
return ds->ops->port_fdb_dump(ds, port, cb, data);
}
int dsa_port_mdb_add(struct dsa_port *dp,
const struct switchdev_obj_port_mdb *mdb,
struct switchdev_trans *trans)

9
net/dsa/slave.c
View File

@ -263,16 +263,11 @@ dsa_slave_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
};
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_port *dp = p->dp;
struct dsa_switch *ds = dp->ds;
int err;
if (!ds->ops->port_fdb_dump)
return -EOPNOTSUPP;
err = ds->ops->port_fdb_dump(ds, dp->index,
dsa_slave_port_fdb_do_dump,
&dump);
err = dsa_port_fdb_dump(dp, dsa_slave_port_fdb_do_dump, &dump);
*idx = dump.idx;
return err;
}