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net: dsa: add MDB notifier

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Add two new DSA_NOTIFIER_MDB_ADD and DSA_NOTIFIER_MDB_DEL events to
notify not only a single switch, but all switches of a the fabric when
an MDB entry is added or removed.

For the moment, keep the current behavior and ignore other switches.

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
2017-05-19 17:00:54 -04:00
committed by David S. Miller
parent 685fb6a40d
commit 8ae5bcdc5d
3 changed files with 66 additions and 16 deletions
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29
net/dsa/port.c
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@@ -188,29 +188,26 @@ int dsa_port_mdb_add(struct dsa_port *dp,
const struct switchdev_obj_port_mdb *mdb,
struct switchdev_trans *trans)
{
struct dsa_switch *ds = dp->ds;
struct dsa_notifier_mdb_info info = {
.sw_index = dp->ds->index,
.port = dp->index,
.trans = trans,
.mdb = mdb,
};
if (switchdev_trans_ph_prepare(trans)) {
if (!ds->ops->port_mdb_prepare || !ds->ops->port_mdb_add)
return -EOPNOTSUPP;
return ds->ops->port_mdb_prepare(ds, dp->index, mdb, trans);
}
ds->ops->port_mdb_add(ds, dp->index, mdb, trans);
return 0;
return dsa_port_notify(dp, DSA_NOTIFIER_MDB_ADD, &info);
}
int dsa_port_mdb_del(struct dsa_port *dp,
const struct switchdev_obj_port_mdb *mdb)
{
struct dsa_switch *ds = dp->ds;
struct dsa_notifier_mdb_info info = {
.sw_index = dp->ds->index,
.port = dp->index,
.mdb = mdb,
};
if (ds->ops->port_mdb_del)
return ds->ops->port_mdb_del(ds, dp->index, mdb);
return -EOPNOTSUPP;
return dsa_port_notify(dp, DSA_NOTIFIER_MDB_DEL, &info);
}
int dsa_port_mdb_dump(struct dsa_port *dp, struct switchdev_obj_port_mdb *mdb,