diff options
Diffstat (limited to 'net/dsa/port.c')
| -rw-r--r-- | net/dsa/port.c | 166 |
1 files changed, 157 insertions, 9 deletions
diff --git a/net/dsa/port.c b/net/dsa/port.c index 363eab6df51b..d2b65e8dc60c 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -336,9 +336,6 @@ int dsa_port_vlan_add(struct dsa_port *dp, .vlan = vlan, }; - /* Can be called from dsa_slave_port_obj_add() or - * dsa_slave_vlan_rx_add_vid() - */ if (!dp->bridge_dev || br_vlan_enabled(dp->bridge_dev)) return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_ADD, &info); @@ -354,12 +351,6 @@ int dsa_port_vlan_del(struct dsa_port *dp, .vlan = vlan, }; - if (vlan->obj.orig_dev && netif_is_bridge_master(vlan->obj.orig_dev)) - return -EOPNOTSUPP; - - /* Can be called from dsa_slave_port_obj_del() or - * dsa_slave_vlan_rx_kill_vid() - */ if (!dp->bridge_dev || br_vlan_enabled(dp->bridge_dev)) return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_DEL, &info); @@ -418,6 +409,108 @@ static struct phy_device *dsa_port_get_phy_device(struct dsa_port *dp) return phydev; } +void dsa_port_phylink_validate(struct phylink_config *config, + unsigned long *supported, + struct phylink_link_state *state) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->phylink_validate) + return; + + ds->ops->phylink_validate(ds, dp->index, supported, state); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_validate); + +int dsa_port_phylink_mac_link_state(struct phylink_config *config, + struct phylink_link_state *state) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + + /* Only called for SGMII and 802.3z */ + if (!ds->ops->phylink_mac_link_state) + return -EOPNOTSUPP; + + return ds->ops->phylink_mac_link_state(ds, dp->index, state); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_state); + +void dsa_port_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->phylink_mac_config) + return; + + ds->ops->phylink_mac_config(ds, dp->index, mode, state); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_config); + +void dsa_port_phylink_mac_an_restart(struct phylink_config *config) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->phylink_mac_an_restart) + return; + + ds->ops->phylink_mac_an_restart(ds, dp->index); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_an_restart); + +void dsa_port_phylink_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct phy_device *phydev = NULL; + struct dsa_switch *ds = dp->ds; + + if (dsa_is_user_port(ds, dp->index)) + phydev = dp->slave->phydev; + + if (!ds->ops->phylink_mac_link_down) { + if (ds->ops->adjust_link && phydev) + ds->ops->adjust_link(ds, dp->index, phydev); + return; + } + + ds->ops->phylink_mac_link_down(ds, dp->index, mode, interface); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_down); + +void dsa_port_phylink_mac_link_up(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->phylink_mac_link_up) { + if (ds->ops->adjust_link && phydev) + ds->ops->adjust_link(ds, dp->index, phydev); + return; + } + + ds->ops->phylink_mac_link_up(ds, dp->index, mode, interface, phydev); +} +EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_up); + +const struct phylink_mac_ops dsa_port_phylink_mac_ops = { + .validate = dsa_port_phylink_validate, + .mac_link_state = dsa_port_phylink_mac_link_state, + .mac_config = dsa_port_phylink_mac_config, + .mac_an_restart = dsa_port_phylink_mac_an_restart, + .mac_link_down = dsa_port_phylink_mac_link_down, + .mac_link_up = dsa_port_phylink_mac_link_up, +}; + static int dsa_port_setup_phy_of(struct dsa_port *dp, bool enable) { struct dsa_switch *ds = dp->ds; @@ -495,8 +588,53 @@ static int dsa_port_fixed_link_register_of(struct dsa_port *dp) return 0; } +static int dsa_port_phylink_register(struct dsa_port *dp) +{ + struct dsa_switch *ds = dp->ds; + struct device_node *port_dn = dp->dn; + int mode, err; + + mode = of_get_phy_mode(port_dn); + if (mode < 0) + mode = PHY_INTERFACE_MODE_NA; + + dp->pl_config.dev = ds->dev; + dp->pl_config.type = PHYLINK_DEV; + + dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(port_dn), + mode, &dsa_port_phylink_mac_ops); + if (IS_ERR(dp->pl)) { + pr_err("error creating PHYLINK: %ld\n", PTR_ERR(dp->pl)); + return PTR_ERR(dp->pl); + } + + err = phylink_of_phy_connect(dp->pl, port_dn, 0); + if (err && err != -ENODEV) { + pr_err("could not attach to PHY: %d\n", err); + goto err_phy_connect; + } + + rtnl_lock(); + phylink_start(dp->pl); + rtnl_unlock(); + + return 0; + +err_phy_connect: + phylink_destroy(dp->pl); + return err; +} + int dsa_port_link_register_of(struct dsa_port *dp) { + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->adjust_link) + return dsa_port_phylink_register(dp); + + dev_warn(ds->dev, + "Using legacy PHYLIB callbacks. Please migrate to PHYLINK!\n"); + if (of_phy_is_fixed_link(dp->dn)) return dsa_port_fixed_link_register_of(dp); else @@ -505,6 +643,16 @@ int dsa_port_link_register_of(struct dsa_port *dp) void dsa_port_link_unregister_of(struct dsa_port *dp) { + struct dsa_switch *ds = dp->ds; + + if (!ds->ops->adjust_link) { + rtnl_lock(); + phylink_disconnect_phy(dp->pl); + rtnl_unlock(); + phylink_destroy(dp->pl); + return; + } + if (of_phy_is_fixed_link(dp->dn)) of_phy_deregister_fixed_link(dp->dn); else |