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net: dsa: add port_vlan_dump routine

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Similar to port_fdb_dump, add a port_vlan_dump function to DSA drivers
which gets passed the switchdev VLAN object and callback.

This function, if implemented, takes precedence over the soon legacy
vlan_getnext/port_pvid_get approach.

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 2016-02-23 12:13:54 -05:00 committed by David S. Miller
parent 2a04c7bade
commit 65aebfc002
3 changed files with 10 additions and 0 deletions
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4
Documentation/networking/dsa/dsa.txt
View File

@ -554,6 +554,10 @@ Bridge VLAN filtering
- port_vlan_del: bridge layer function invoked when a VLAN is removed from the
given switch port
- port_vlan_dump: bridge layer function invoked with a switchdev callback
function that the driver has to call for each VLAN the given port is a member
of. A switchdev object is used to carry the VID and bridge flags.
- vlan_getnext: bridge layer function invoked to query the next configured VLAN
in the switch, i.e. returns the bitmaps of members and untagged ports

3
include/net/dsa.h
View File

@ -313,6 +313,9 @@ struct dsa_switch_driver {
struct switchdev_trans *trans);
int (*port_vlan_del)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
int (*port_vlan_dump)(struct dsa_switch *ds, int port,
struct switchdev_obj_port_vlan *vlan,
int (*cb)(struct switchdev_obj *obj));
int (*port_pvid_get)(struct dsa_switch *ds, int port, u16 *pvid);
int (*vlan_getnext)(struct dsa_switch *ds, u16 *vid,
unsigned long *ports, unsigned long *untagged);

3
net/dsa/slave.c
View File

@ -248,6 +248,9 @@ static int dsa_slave_port_vlan_dump(struct net_device *dev,
u16 pvid, vid = 0;
int err;
if (ds->drv->port_vlan_dump)
return ds->drv->port_vlan_dump(ds, p->port, vlan, cb);
if (!ds->drv->vlan_getnext || !ds->drv->port_pvid_get)
return -EOPNOTSUPP;