net: dsa: mv88e6xxx: support VLAN filtering
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>
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Коммит
214cdb9987
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@ -106,6 +106,7 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
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.port_join_bridge = mv88e6xxx_port_bridge_join,
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.port_leave_bridge = mv88e6xxx_port_bridge_leave,
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.port_stp_update = mv88e6xxx_port_stp_update,
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.port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
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.port_vlan_prepare = mv88e6xxx_port_vlan_prepare,
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.port_vlan_add = mv88e6xxx_port_vlan_add,
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.port_vlan_del = mv88e6xxx_port_vlan_del,
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@ -327,6 +327,7 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
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.port_join_bridge = mv88e6xxx_port_bridge_join,
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.port_leave_bridge = mv88e6xxx_port_bridge_leave,
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.port_stp_update = mv88e6xxx_port_stp_update,
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.port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
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.port_vlan_prepare = mv88e6xxx_port_vlan_prepare,
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.port_vlan_add = mv88e6xxx_port_vlan_add,
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.port_vlan_del = mv88e6xxx_port_vlan_del,
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@ -1712,6 +1712,45 @@ unlock:
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return err;
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}
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static const char * const mv88e6xxx_port_8021q_mode_names[] = {
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[PORT_CONTROL_2_8021Q_DISABLED] = "Disabled",
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[PORT_CONTROL_2_8021Q_FALLBACK] = "Fallback",
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[PORT_CONTROL_2_8021Q_CHECK] = "Check",
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[PORT_CONTROL_2_8021Q_SECURE] = "Secure",
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};
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int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
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bool vlan_filtering)
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{
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struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
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u16 old, new = vlan_filtering ? PORT_CONTROL_2_8021Q_SECURE :
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PORT_CONTROL_2_8021Q_DISABLED;
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int ret;
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mutex_lock(&ps->smi_mutex);
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ret = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_CONTROL_2);
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if (ret < 0)
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goto unlock;
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old = ret & PORT_CONTROL_2_8021Q_MASK;
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ret &= ~PORT_CONTROL_2_8021Q_MASK;
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ret |= new & PORT_CONTROL_2_8021Q_MASK;
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ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_CONTROL_2, ret);
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if (ret < 0)
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goto unlock;
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netdev_dbg(ds->ports[port], "802.1Q Mode: %s (was %s)\n",
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mv88e6xxx_port_8021q_mode_names[new],
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mv88e6xxx_port_8021q_mode_names[old]);
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unlock:
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mutex_unlock(&ps->smi_mutex);
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return ret;
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}
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int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan,
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struct switchdev_trans *trans)
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@ -490,6 +490,8 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
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struct net_device *bridge);
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int mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port);
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int mv88e6xxx_port_stp_update(struct dsa_switch *ds, int port, u8 state);
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int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
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bool vlan_filtering);
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int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan,
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struct switchdev_trans *trans);
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