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net: dsa: mv88e6xxx: support VLAN filtering

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Implement port_vlan_filtering in the driver to toggle the related port
802.1Q mode between DISABLED and SECURE, on user request.

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 2016-02-26 13:16:08 -05:00 committed by David S. Miller
parent 46fbe5e5af
commit 214cdb9987
4 changed files with 43 additions and 0 deletions
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1
drivers/net/dsa/mv88e6171.c
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@ -106,6 +106,7 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
.port_join_bridge = mv88e6xxx_port_bridge_join,
.port_leave_bridge = mv88e6xxx_port_bridge_leave,
.port_stp_update = mv88e6xxx_port_stp_update,
.port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
.port_vlan_prepare = mv88e6xxx_port_vlan_prepare,
.port_vlan_add = mv88e6xxx_port_vlan_add,
.port_vlan_del = mv88e6xxx_port_vlan_del,

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

@ -327,6 +327,7 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
.port_join_bridge = mv88e6xxx_port_bridge_join,
.port_leave_bridge = mv88e6xxx_port_bridge_leave,
.port_stp_update = mv88e6xxx_port_stp_update,
.port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
.port_vlan_prepare = mv88e6xxx_port_vlan_prepare,
.port_vlan_add = mv88e6xxx_port_vlan_add,
.port_vlan_del = mv88e6xxx_port_vlan_del,

39
drivers/net/dsa/mv88e6xxx.c
View File

@ -1712,6 +1712,45 @@ unlock:
return err;
}
static const char * const mv88e6xxx_port_8021q_mode_names[] = {
[PORT_CONTROL_2_8021Q_DISABLED] = "Disabled",
[PORT_CONTROL_2_8021Q_FALLBACK] = "Fallback",
[PORT_CONTROL_2_8021Q_CHECK] = "Check",
[PORT_CONTROL_2_8021Q_SECURE] = "Secure",
};
int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
bool vlan_filtering)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
u16 old, new = vlan_filtering ? PORT_CONTROL_2_8021Q_SECURE :
PORT_CONTROL_2_8021Q_DISABLED;
int ret;
mutex_lock(&ps->smi_mutex);
ret = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_CONTROL_2);
if (ret < 0)
goto unlock;
old = ret & PORT_CONTROL_2_8021Q_MASK;
ret &= ~PORT_CONTROL_2_8021Q_MASK;
ret |= new & PORT_CONTROL_2_8021Q_MASK;
ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_CONTROL_2, ret);
if (ret < 0)
goto unlock;
netdev_dbg(ds->ports[port], "802.1Q Mode: %s (was %s)\n",
mv88e6xxx_port_8021q_mode_names[new],
mv88e6xxx_port_8021q_mode_names[old]);
unlock:
mutex_unlock(&ps->smi_mutex);
return ret;
}
int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan,
struct switchdev_trans *trans)

2
drivers/net/dsa/mv88e6xxx.h
View File

@ -490,6 +490,8 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
struct net_device *bridge);
int mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port);
int mv88e6xxx_port_stp_update(struct dsa_switch *ds, int port, u8 state);
int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
bool vlan_filtering);
int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan,
struct switchdev_trans *trans);