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net: dsa: add port_fdb_prepare 

Push the prepare phase for FDB operations down to the DSA drivers, with
a new port_fdb_prepare function. Currently only mv88e6xxx is affected.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2015-10-08 11:35:12 -04:00 committed by David S. Miller
parent 6e86ac120e
commit 146a32067b
6 changed files with 26 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/dsa/mv88e6171.c
View File

@ -121,6 +121,7 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
.port_vlan_add = mv88e6xxx_port_vlan_add, .port_vlan_add = mv88e6xxx_port_vlan_add,
.port_vlan_del = mv88e6xxx_port_vlan_del, .port_vlan_del = mv88e6xxx_port_vlan_del,
.vlan_getnext = mv88e6xxx_vlan_getnext, .vlan_getnext = mv88e6xxx_vlan_getnext,
.port_fdb_prepare = mv88e6xxx_port_fdb_prepare,
.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_getnext = mv88e6xxx_port_fdb_getnext, .port_fdb_getnext = mv88e6xxx_port_fdb_getnext,

1
drivers/net/dsa/mv88e6352.c
View File

@ -348,6 +348,7 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
.port_vlan_add = mv88e6xxx_port_vlan_add, .port_vlan_add = mv88e6xxx_port_vlan_add,
.port_vlan_del = mv88e6xxx_port_vlan_del, .port_vlan_del = mv88e6xxx_port_vlan_del,
.vlan_getnext = mv88e6xxx_vlan_getnext, .vlan_getnext = mv88e6xxx_vlan_getnext,
.port_fdb_prepare = mv88e6xxx_port_fdb_prepare,
.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_getnext = mv88e6xxx_port_fdb_getnext, .port_fdb_getnext = mv88e6xxx_port_fdb_getnext,

10
drivers/net/dsa/mv88e6xxx.c
View File

@ -1841,6 +1841,16 @@ static int _mv88e6xxx_port_fdb_load(struct dsa_switch *ds, int port,
return _mv88e6xxx_atu_load(ds, &entry); return _mv88e6xxx_atu_load(ds, &entry);
} }
int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_fdb *fdb,
struct switchdev_trans *trans)
{
/* We don't need any dynamic resource from the kernel (yet),
* so skip the prepare phase.
*/
return 0;
}
int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid) const unsigned char *addr, u16 vid)
{ {

3
drivers/net/dsa/mv88e6xxx.h
View File

@ -474,6 +474,9 @@ int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, u16 vid,
int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, u16 vid); int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, u16 vid);
int mv88e6xxx_vlan_getnext(struct dsa_switch *ds, u16 *vid, int mv88e6xxx_vlan_getnext(struct dsa_switch *ds, u16 *vid,
unsigned long *ports, unsigned long *untagged); unsigned long *ports, unsigned long *untagged);
int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_fdb *fdb,
struct switchdev_trans *trans);
int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port, int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid); const unsigned char *addr, u16 vid);
int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port, int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,

6
include/net/dsa.h
View File

@ -197,6 +197,9 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds)
return ds->pd->rtable[dst->cpu_switch]; return ds->pd->rtable[dst->cpu_switch];
} }
struct switchdev_trans;
struct switchdev_obj_port_fdb;
struct dsa_switch_driver { struct dsa_switch_driver {
struct list_head list; struct list_head list;
@ -316,6 +319,9 @@ struct dsa_switch_driver {
/* /*
* Forwarding database * Forwarding database
*/ */
int (*port_fdb_prepare)(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_fdb *fdb,
struct switchdev_trans *trans);
int (*port_fdb_add)(struct dsa_switch *ds, int port, int (*port_fdb_add)(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid); const unsigned char *addr, u16 vid);
int (*port_fdb_del)(struct dsa_switch *ds, int port, int (*port_fdb_del)(struct dsa_switch *ds, int port,

7
net/dsa/slave.c
View File

@ -346,10 +346,13 @@ static int dsa_slave_port_fdb_add(struct net_device *dev,
{ {
struct dsa_slave_priv *p = netdev_priv(dev); struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent; struct dsa_switch *ds = p->parent;
int ret = -EOPNOTSUPP; int ret;
if (!ds->drv->port_fdb_prepare || !ds->drv->port_fdb_add)
return -EOPNOTSUPP;
if (switchdev_trans_ph_prepare(trans)) if (switchdev_trans_ph_prepare(trans))
ret = ds->drv->port_fdb_add ? 0 : -EOPNOTSUPP; ret = ds->drv->port_fdb_prepare(ds, p->port, fdb, trans);
else else
ret = ds->drv->port_fdb_add(ds, p->port, fdb->addr, fdb->vid); ret = ds->drv->port_fdb_add(ds, p->port, fdb->addr, fdb->vid);