diff options
Diffstat (limited to 'drivers/net/dsa')
41 files changed, 912 insertions, 286 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 4e27dc913cf7..0d628b35fd5c 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -757,7 +757,7 @@ int b53_configure_vlan(struct dsa_switch *ds) /* Create an untagged VLAN entry for the default PVID in case * CONFIG_VLAN_8021Q is disabled and there are no calls to - * dsa_slave_vlan_rx_add_vid() to create the default VLAN + * dsa_user_vlan_rx_add_vid() to create the default VLAN * entry. Do this only when the tagging protocol is not * DSA_TAG_PROTO_NONE */ @@ -958,7 +958,7 @@ static struct phy_device *b53_get_phy_device(struct dsa_switch *ds, int port) return NULL; } - return mdiobus_get_phy(ds->slave_mii_bus, port); + return mdiobus_get_phy(ds->user_mii_bus, port); } void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset, diff --git a/drivers/net/dsa/b53/b53_mdio.c b/drivers/net/dsa/b53/b53_mdio.c index 4d55d8d18376..897e5e8b3d69 100644 --- a/drivers/net/dsa/b53/b53_mdio.c +++ b/drivers/net/dsa/b53/b53_mdio.c @@ -329,7 +329,7 @@ static int b53_mdio_probe(struct mdio_device *mdiodev) * layer setup */ if (of_machine_is_compatible("brcm,bcm7445d0") && - strcmp(mdiodev->bus->name, "sf2 slave mii")) + strcmp(mdiodev->bus->name, "sf2 user mii")) return -EPROBE_DEFER; dev = b53_switch_alloc(&mdiodev->dev, &b53_mdio_ops, mdiodev->bus); diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 0b62bd78ac50..cadee5505c29 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -617,26 +617,25 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio"); priv->master_mii_bus = of_mdio_find_bus(dn); if (!priv->master_mii_bus) { - of_node_put(dn); - return -EPROBE_DEFER; + err = -EPROBE_DEFER; + goto err_of_node_put; } - get_device(&priv->master_mii_bus->dev); priv->master_mii_dn = dn; - priv->slave_mii_bus = mdiobus_alloc(); - if (!priv->slave_mii_bus) { - of_node_put(dn); - return -ENOMEM; + priv->user_mii_bus = mdiobus_alloc(); + if (!priv->user_mii_bus) { + err = -ENOMEM; + goto err_put_master_mii_bus_dev; } - priv->slave_mii_bus->priv = priv; - priv->slave_mii_bus->name = "sf2 slave mii"; - priv->slave_mii_bus->read = bcm_sf2_sw_mdio_read; - priv->slave_mii_bus->write = bcm_sf2_sw_mdio_write; - snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "sf2-%d", + priv->user_mii_bus->priv = priv; + priv->user_mii_bus->name = "sf2 user mii"; + priv->user_mii_bus->read = bcm_sf2_sw_mdio_read; + priv->user_mii_bus->write = bcm_sf2_sw_mdio_write; + snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "sf2-%d", index++); - priv->slave_mii_bus->dev.of_node = dn; + priv->user_mii_bus->dev.of_node = dn; /* Include the pseudo-PHY address to divert reads towards our * workaround. This is only required for 7445D0, since 7445E0 @@ -654,9 +653,9 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) priv->indir_phy_mask = 0; ds->phys_mii_mask = priv->indir_phy_mask; - ds->slave_mii_bus = priv->slave_mii_bus; - priv->slave_mii_bus->parent = ds->dev->parent; - priv->slave_mii_bus->phy_mask = ~priv->indir_phy_mask; + ds->user_mii_bus = priv->user_mii_bus; + priv->user_mii_bus->parent = ds->dev->parent; + priv->user_mii_bus->phy_mask = ~priv->indir_phy_mask; /* We need to make sure that of_phy_connect() will not work by * removing the 'phandle' and 'linux,phandle' properties and @@ -683,20 +682,26 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) phy_device_remove(phydev); } - err = mdiobus_register(priv->slave_mii_bus); - if (err && dn) { - mdiobus_free(priv->slave_mii_bus); - of_node_put(dn); - } + err = mdiobus_register(priv->user_mii_bus); + if (err && dn) + goto err_free_user_mii_bus; + + return 0; +err_free_user_mii_bus: + mdiobus_free(priv->user_mii_bus); +err_put_master_mii_bus_dev: + put_device(&priv->master_mii_bus->dev); +err_of_node_put: + of_node_put(dn); return err; } static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv) { - mdiobus_unregister(priv->slave_mii_bus); - mdiobus_free(priv->slave_mii_bus); - of_node_put(priv->master_mii_dn); + mdiobus_unregister(priv->user_mii_bus); + mdiobus_free(priv->user_mii_bus); + put_device(&priv->master_mii_bus->dev); } static u32 bcm_sf2_sw_get_phy_flags(struct dsa_switch *ds, int port) @@ -909,7 +914,7 @@ static void bcm_sf2_sw_fixed_state(struct dsa_switch *ds, int port, * state machine and make it go in PHY_FORCING state instead. */ if (!status->link) - netif_carrier_off(dsa_to_port(ds, port)->slave); + netif_carrier_off(dsa_to_port(ds, port)->user); status->duplex = DUPLEX_FULL; } else { status->link = true; @@ -983,7 +988,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct ethtool_wolinfo pwol = { }; @@ -1007,7 +1012,7 @@ static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; struct ethtool_wolinfo pwol = { }; diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h index 00afc94ce522..424f896b5a6f 100644 --- a/drivers/net/dsa/bcm_sf2.h +++ b/drivers/net/dsa/bcm_sf2.h @@ -108,7 +108,7 @@ struct bcm_sf2_priv { /* Master and slave MDIO bus controller */ unsigned int indir_phy_mask; struct device_node *master_mii_dn; - struct mii_bus *slave_mii_bus; + struct mii_bus *user_mii_bus; struct mii_bus *master_mii_bus; /* Bitmask of ports needing BRCM tags */ diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c index c4010b7bf089..c88ee3dd4299 100644 --- a/drivers/net/dsa/bcm_sf2_cfp.c +++ b/drivers/net/dsa/bcm_sf2_cfp.c @@ -1102,7 +1102,7 @@ static int bcm_sf2_cfp_rule_get_all(struct bcm_sf2_priv *priv, int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc, u32 *rule_locs) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; @@ -1145,7 +1145,7 @@ int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, int bcm_sf2_set_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c index 5b139f2206b6..c70ed67cc188 100644 --- a/drivers/net/dsa/dsa_loop.c +++ b/drivers/net/dsa/dsa_loop.c @@ -277,6 +277,14 @@ static int dsa_loop_port_max_mtu(struct dsa_switch *ds, int port) return ETH_MAX_MTU; } +static void dsa_loop_phylink_get_caps(struct dsa_switch *dsa, int port, + struct phylink_config *config) +{ + bitmap_fill(config->supported_interfaces, PHY_INTERFACE_MODE_MAX); + __clear_bit(PHY_INTERFACE_MODE_NA, config->supported_interfaces); + config->mac_capabilities = ~0; +} + static const struct dsa_switch_ops dsa_loop_driver = { .get_tag_protocol = dsa_loop_get_protocol, .setup = dsa_loop_setup, @@ -295,6 +303,7 @@ static const struct dsa_switch_ops dsa_loop_driver = { .port_vlan_del = dsa_loop_port_vlan_del, .port_change_mtu = dsa_loop_port_change_mtu, .port_max_mtu = dsa_loop_port_max_mtu, + .phylink_get_caps = dsa_loop_phylink_get_caps, }; static int dsa_loop_drv_probe(struct mdio_device *mdiodev) diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index ee67adeb2cdb..fcb20eac332a 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1084,7 +1084,7 @@ static int lan9303_port_enable(struct dsa_switch *ds, int port, if (!dsa_port_is_user(dp)) return 0; - vlan_vid_add(dsa_port_to_master(dp), htons(ETH_P_8021Q), port); + vlan_vid_add(dsa_port_to_conduit(dp), htons(ETH_P_8021Q), port); return lan9303_enable_processing_port(chip, port); } @@ -1097,7 +1097,7 @@ static void lan9303_port_disable(struct dsa_switch *ds, int port) if (!dsa_port_is_user(dp)) return; - vlan_vid_del(dsa_port_to_master(dp), htons(ETH_P_8021Q), port); + vlan_vid_del(dsa_port_to_conduit(dp), htons(ETH_P_8021Q), port); lan9303_disable_processing_port(chip, port); lan9303_phy_write(ds, chip->phy_addr_base + port, MII_BMCR, BMCR_PDOWN); diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 25abf2caf5fb..9c185c9f0963 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -510,22 +510,22 @@ static int gswip_mdio(struct gswip_priv *priv, struct device_node *mdio_np) struct dsa_switch *ds = priv->ds; int err; - ds->slave_mii_bus = mdiobus_alloc(); - if (!ds->slave_mii_bus) + ds->user_mii_bus = mdiobus_alloc(); + if (!ds->user_mii_bus) return -ENOMEM; - ds->slave_mii_bus->priv = priv; - ds->slave_mii_bus->read = gswip_mdio_rd; - ds->slave_mii_bus->write = gswip_mdio_wr; - ds->slave_mii_bus->name = "lantiq,xrx200-mdio"; - snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "%s-mii", + ds->user_mii_bus->priv = priv; + ds->user_mii_bus->read = gswip_mdio_rd; + ds->user_mii_bus->write = gswip_mdio_wr; + ds->user_mii_bus->name = "lantiq,xrx200-mdio"; + snprintf(ds->user_mii_bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(priv->dev)); - ds->slave_mii_bus->parent = priv->dev; - ds->slave_mii_bus->phy_mask = ~ds->phys_mii_mask; + ds->user_mii_bus->parent = priv->dev; + ds->user_mii_bus->phy_mask = ~ds->phys_mii_mask; - err = of_mdiobus_register(ds->slave_mii_bus, mdio_np); + err = of_mdiobus_register(ds->user_mii_bus, mdio_np); if (err) - mdiobus_free(ds->slave_mii_bus); + mdiobus_free(ds->user_mii_bus); return err; } @@ -1759,8 +1759,7 @@ static void gswip_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < ARRAY_SIZE(gswip_rmon_cnt); i++) - strncpy(data + i * ETH_GSTRING_LEN, gswip_rmon_cnt[i].name, - ETH_GSTRING_LEN); + ethtool_sprintf(&data, "%s", gswip_rmon_cnt[i].name); } static u32 gswip_bcm_ram_entry_read(struct gswip_priv *priv, u32 table, @@ -2197,8 +2196,8 @@ disable_switch: dsa_unregister_switch(priv->ds); mdio_bus: if (mdio_np) { - mdiobus_unregister(priv->ds->slave_mii_bus); - mdiobus_free(priv->ds->slave_mii_bus); + mdiobus_unregister(priv->ds->user_mii_bus); + mdiobus_free(priv->ds->user_mii_bus); } put_mdio_node: of_node_put(mdio_np); @@ -2220,10 +2219,10 @@ static void gswip_remove(struct platform_device *pdev) dsa_unregister_switch(priv->ds); - if (priv->ds->slave_mii_bus) { - mdiobus_unregister(priv->ds->slave_mii_bus); - of_node_put(priv->ds->slave_mii_bus->dev.of_node); - mdiobus_free(priv->ds->slave_mii_bus); + if (priv->ds->user_mii_bus) { + mdiobus_unregister(priv->ds->user_mii_bus); + of_node_put(priv->ds->user_mii_bus->dev.of_node); + mdiobus_free(priv->ds->user_mii_bus); } for (i = 0; i < priv->num_gphy_fw; i++) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 91aba470fb2f..4bf4d67557dc 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -632,6 +632,50 @@ static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan) ksz8_w_table(dev, TABLE_VLAN, addr, buf); } +/** + * ksz8_r_phy_ctrl - Translates and reads from the SMI interface to a MIIM PHY + * Control register (Reg. 31). + * @dev: The KSZ device instance. + * @port: The port number to be read. + * @val: The value read from the SMI interface. + * + * This function reads the SMI interface and translates the hardware register + * bit values into their corresponding control settings for a MIIM PHY Control + * register. + * + * Return: 0 on success, error code on failure. + */ +static int ksz8_r_phy_ctrl(struct ksz_device *dev, int port, u16 *val) +{ + const u16 *regs = dev->info->regs; + u8 reg_val; + int ret; + + *val = 0; + + ret = ksz_pread8(dev, port, regs[P_LINK_STATUS], ®_val); + if (ret < 0) + return ret; + + if (reg_val & PORT_MDIX_STATUS) + *val |= KSZ886X_CTRL_MDIX_STAT; + + ret = ksz_pread8(dev, port, REG_PORT_LINK_MD_CTRL, ®_val); + if (ret < 0) + return ret; + + if (reg_val & PORT_FORCE_LINK) + *val |= KSZ886X_CTRL_FORCE_LINK; + + if (reg_val & PORT_POWER_SAVING) + *val |= KSZ886X_CTRL_PWRSAVE; + + if (reg_val & PORT_PHY_REMOTE_LOOPBACK) + *val |= KSZ886X_CTRL_REMOTE_LOOPBACK; + + return 0; +} + int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val) { u8 restart, speed, ctrl, link; @@ -769,12 +813,10 @@ int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val) FIELD_GET(PORT_CABLE_FAULT_COUNTER_L, val2)); break; case PHY_REG_PHY_CTRL: - ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link); + ret = ksz8_r_phy_ctrl(dev, p, &data); if (ret) return ret; - if (link & PORT_MDIX_STATUS) - data |= KSZ886X_CTRL_MDIX_STAT; break; default: processed = false; @@ -786,6 +828,38 @@ int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val) return 0; } +/** + * ksz8_w_phy_ctrl - Translates and writes to the SMI interface from a MIIM PHY + * Control register (Reg. 31). + * @dev: The KSZ device instance. + * @port: The port number to be configured. + * @val: The register value to be written. + * + * This function translates control settings from a MIIM PHY Control register + * into their corresponding hardware register bit values for the SMI + * interface. + * + * Return: 0 on success, error code on failure. + */ +static int ksz8_w_phy_ctrl(struct ksz_device *dev, int port, u16 val) +{ + u8 reg_val = 0; + int ret; + + if (val & KSZ886X_CTRL_FORCE_LINK) + reg_val |= PORT_FORCE_LINK; + + if (val & KSZ886X_CTRL_PWRSAVE) + reg_val |= PORT_POWER_SAVING; + + if (val & KSZ886X_CTRL_REMOTE_LOOPBACK) + reg_val |= PORT_PHY_REMOTE_LOOPBACK; + + ret = ksz_prmw8(dev, port, REG_PORT_LINK_MD_CTRL, PORT_FORCE_LINK | + PORT_POWER_SAVING | PORT_PHY_REMOTE_LOOPBACK, reg_val); + return ret; +} + int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val) { u8 restart, speed, ctrl, data; @@ -926,6 +1000,12 @@ int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val) if (val & PHY_START_CABLE_DIAG) ksz_port_cfg(dev, p, REG_PORT_LINK_MD_CTRL, PORT_START_CABLE_DIAG, true); break; + + case PHY_REG_PHY_CTRL: + ret = ksz8_w_phy_ctrl(dev, p, val); + if (ret) + return ret; + break; default: break; } diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index d33db4f86c64..3c9dae53e4d8 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -323,13 +323,6 @@ ((addr) + REG_PORT_1_CTRL_0 + (port) * \ (REG_PORT_2_CTRL_0 - REG_PORT_1_CTRL_0)) -#define REG_SW_MAC_ADDR_0 0x68 -#define REG_SW_MAC_ADDR_1 0x69 -#define REG_SW_MAC_ADDR_2 0x6A -#define REG_SW_MAC_ADDR_3 0x6B -#define REG_SW_MAC_ADDR_4 0x6C -#define REG_SW_MAC_ADDR_5 0x6D - #define TABLE_EXT_SELECT_S 5 #define TABLE_EEE_V 1 #define TABLE_ACL_V 2 diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 9e63ed820c92..7f745628c84d 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -56,6 +56,187 @@ int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu) REG_SW_MTU_MASK, frame_size); } +/** + * ksz9477_handle_wake_reason - Handle wake reason on a specified port. + * @dev: The device structure. + * @port: The port number. + * + * This function reads the PME (Power Management Event) status register of a + * specified port to determine the wake reason. If there is no wake event, it + * returns early. Otherwise, it logs the wake reason which could be due to a + * "Magic Packet", "Link Up", or "Energy Detect" event. The PME status register + * is then cleared to acknowledge the handling of the wake event. + * + * Return: 0 on success, or an error code on failure. + */ +static int ksz9477_handle_wake_reason(struct ksz_device *dev, int port) +{ + u8 pme_status; + int ret; + + ret = ksz_pread8(dev, port, REG_PORT_PME_STATUS, &pme_status); + if (ret) + return ret; + + if (!pme_status) + return 0; + + dev_dbg(dev->dev, "Wake event on port %d due to:%s%s%s\n", port, + pme_status & PME_WOL_MAGICPKT ? " \"Magic Packet\"" : "", + pme_status & PME_WOL_LINKUP ? " \"Link Up\"" : "", + pme_status & PME_WOL_ENERGY ? " \"Energy detect\"" : ""); + + return ksz_pwrite8(dev, port, REG_PORT_PME_STATUS, pme_status); +} + +/** + * ksz9477_get_wol - Get Wake-on-LAN settings for a specified port. + * @dev: The device structure. + * @port: The port number. + * @wol: Pointer to ethtool Wake-on-LAN settings structure. + * + * This function checks the PME Pin Control Register to see if PME Pin Output + * Enable is set, indicating PME is enabled. If enabled, it sets the supported + * and active WoL flags. + */ +void ksz9477_get_wol(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol) +{ + u8 pme_ctrl; + int ret; + + if (!dev->wakeup_source) + return; + + wol->supported = WAKE_PHY; + + /* Check if the current MAC address on this port can be set + * as global for WAKE_MAGIC support. The result may vary + * dynamically based on other ports configurations. + */ + if (ksz_is_port_mac_global_usable(dev->ds, port)) + wol->supported |= WAKE_MAGIC; + + ret = ksz_pread8(dev, port, REG_PORT_PME_CTRL, &pme_ctrl); + if (ret) + return; + + if (pme_ctrl & PME_WOL_MAGICPKT) + wol->wolopts |= WAKE_MAGIC; + if (pme_ctrl & (PME_WOL_LINKUP | PME_WOL_ENERGY)) + wol->wolopts |= WAKE_PHY; +} + +/** + * ksz9477_set_wol - Set Wake-on-LAN settings for a specified port. + * @dev: The device structure. + * @port: The port number. + * @wol: Pointer to ethtool Wake-on-LAN settings structure. + * + * This function configures Wake-on-LAN (WoL) settings for a specified port. + * It validates the provided WoL options, checks if PME is enabled via the + * switch's PME Pin Control Register, clears any previous wake reasons, + * and sets the Magic Packet flag in the port's PME control register if + * specified. + * + * Return: 0 on success, or other error codes on failure. + */ +int ksz9477_set_wol(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol) +{ + u8 pme_ctrl = 0, pme_ctrl_old = 0; + bool magic_switched_off; + bool magic_switched_on; + int ret; + + if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) + return -EINVAL; + + if (!dev->wakeup_source) + return -EOPNOTSUPP; + + ret = ksz9477_handle_wake_reason(dev, port); + if (ret) + return ret; + + if (wol->wolopts & WAKE_MAGIC) + pme_ctrl |= PME_WOL_MAGICPKT; + if (wol->wolopts & WAKE_PHY) + pme_ctrl |= PME_WOL_LINKUP | PME_WOL_ENERGY; + + ret = ksz_pread8(dev, port, REG_PORT_PME_CTRL, &pme_ctrl_old); + if (ret) + return ret; + + if (pme_ctrl_old == pme_ctrl) + return 0; + + magic_switched_off = (pme_ctrl_old & PME_WOL_MAGICPKT) && + !(pme_ctrl & PME_WOL_MAGICPKT); + magic_switched_on = !(pme_ctrl_old & PME_WOL_MAGICPKT) && + (pme_ctrl & PME_WOL_MAGICPKT); + + /* To keep reference count of MAC address, we should do this + * operation only on change of WOL settings. + */ + if (magic_switched_on) { + ret = ksz_switch_macaddr_get(dev->ds, port, NULL); + if (ret) + return ret; + } else if (magic_switched_off) { + ksz_switch_macaddr_put(dev->ds); + } + + ret = ksz_pwrite8(dev, port, REG_PORT_PME_CTRL, pme_ctrl); + if (ret) { + if (magic_switched_on) + ksz_switch_macaddr_put(dev->ds); + return ret; + } + + return 0; +} + +/** + * ksz9477_wol_pre_shutdown - Prepares the switch device for shutdown while + * considering Wake-on-LAN (WoL) settings. + * @dev: The switch device structure. + * @wol_enabled: Pointer to a boolean which will be set to true if WoL is + * enabled on any port. + * + * This function prepares the switch device for a safe shutdown while taking + * into account the Wake-on-LAN (WoL) settings on the user ports. It updates + * the wol_enabled flag accordingly to reflect whether WoL is active on any + * port. + */ +void ksz9477_wol_pre_shutdown(struct ksz_device *dev, bool *wol_enabled) +{ + struct dsa_port *dp; + int ret; + + *wol_enabled = false; + + if (!dev->wakeup_source) + return; + + dsa_switch_for_each_user_port(dp, dev->ds) { + u8 pme_ctrl = 0; + + ret = ksz_pread8(dev, dp->index, REG_PORT_PME_CTRL, &pme_ctrl); + if (!ret && pme_ctrl) + *wol_enabled = true; + + /* make sure there are no pending wake events which would + * prevent the device from going to sleep/shutdown. + */ + ksz9477_handle_wake_reason(dev, dp->index); + } + + /* Now we are save to enable PME pin. */ + if (*wol_enabled) + ksz_write8(dev, REG_SW_PME_CTRL, PME_ENABLE); +} + static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev) { unsigned int val; @@ -1006,6 +1187,14 @@ void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) ksz_pread16(dev, port, REG_PORT_PHY_INT_ENABLE, &data16); ksz9477_port_acl_init(dev, port); + + /* clear pending wake flags */ + ksz9477_handle_wake_reason(dev, port); + + /* Disable all WoL options by default. Otherwise + * ksz_switch_macaddr_get/put logic will not work properly. + */ + ksz_pwrite8(dev, port, REG_PORT_PME_CTRL, 0); } void ksz9477_config_cpu_port(struct dsa_switch *ds) @@ -1128,6 +1317,12 @@ int ksz9477_setup(struct dsa_switch *ds) /* enable global MIB counter freeze function */ ksz_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true); + /* Make sure PME (WoL) is not enabled. If requested, it will be + * enabled by ksz9477_wol_pre_shutdown(). Otherwise, some PMICs do not + * like PME events changes before shutdown. + */ + ksz_write8(dev, REG_SW_PME_CTRL, 0); + return 0; } @@ -1143,6 +1338,83 @@ int ksz9477_tc_cbs_set_cinc(struct ksz_device *dev, int port, u32 val) return ksz_pwrite16(dev, port, REG_PORT_MTI_CREDIT_INCREMENT, val); } +/* The KSZ9477 provides following HW features to accelerate + * HSR frames handling: + * + * 1. TX PACKET DUPLICATION FROM HOST TO SWITCH + * 2. RX PACKET DUPLICATION DISCARDING + * 3. PREVENTING PACKET LOOP IN THE RING BY SELF-ADDRESS FILTERING + * + * Only one from point 1. has the NETIF_F* flag available. + * + * Ones from point 2 and 3 are "best effort" - i.e. those will + * work correctly most of the time, but it may happen that some + * frames will not be caught - to be more specific; there is a race + * condition in hardware such that, when duplicate packets are received + * on member ports very close in time to each other, the hardware fails + * to detect that they are duplicates. + * + * Hence, the SW needs to handle those special cases. However, the speed + * up gain is considerable when above features are used. + * + * Moreover, the NETIF_F_HW_HSR_FWD feature is also enabled, as HSR frames + * can be forwarded in the switch fabric between HSR ports. + */ +#define KSZ9477_SUPPORTED_HSR_FEATURES (NETIF_F_HW_HSR_DUP | NETIF_F_HW_HSR_FWD) + +void ksz9477_hsr_join(struct dsa_switch *ds, int port, struct net_device *hsr) +{ + struct ksz_device *dev = ds->priv; + struct net_device *user; + struct dsa_port *hsr_dp; + u8 data, hsr_ports = 0; + + /* Program which port(s) shall support HSR */ + ksz_rmw32(dev, REG_HSR_PORT_MAP__4, BIT(port), BIT(port)); + + /* Forward frames between HSR ports (i.e. bridge together HSR ports) */ + if (dev->hsr_ports) { + dsa_hsr_foreach_port(hsr_dp, ds, hsr) + hsr_ports |= BIT(hsr_dp->index); + + hsr_ports |= BIT(dsa_upstream_port(ds, port)); + dsa_hsr_foreach_port(hsr_dp, ds, hsr) + ksz9477_cfg_port_member(dev, hsr_dp->index, hsr_ports); + } + + if (!dev->hsr_ports) { + /* Enable discarding of received HSR frames */ + ksz_read8(dev, REG_HSR_ALU_CTRL_0__1, &data); + data |= HSR_DUPLICATE_DISCARD; + data &= ~HSR_NODE_UNICAST; + ksz_write8(dev, REG_HSR_ALU_CTRL_0__1, data); + } + + /* Enable per port self-address filtering. + * The global self-address filtering has already been enabled in the + * ksz9477_reset_switch() function. + */ + ksz_port_cfg(dev, port, REG_PORT_LUE_CTRL, PORT_SRC_ADDR_FILTER, true); + + /* Setup HW supported features for lan HSR ports */ + user = dsa_to_port(ds, port)->user; + user->features |= KSZ9477_SUPPORTED_HSR_FEATURES; +} + +void ksz9477_hsr_leave(struct dsa_switch *ds, int port, struct net_device *hsr) +{ + struct ksz_device *dev = ds->priv; + + /* Clear port HSR support */ + ksz_rmw32(dev, REG_HSR_PORT_MAP__4, BIT(port), 0); + + /* Disable forwarding frames between HSR ports */ + ksz9477_cfg_port_member(dev, port, BIT(dsa_upstream_port(ds, port))); + + /* Disable per port self-address filtering */ + ksz_port_cfg(dev, port, REG_PORT_LUE_CTRL, PORT_SRC_ADDR_FILTER, false); +} + int ksz9477_switch_init(struct ksz_device *dev) { u8 data8; diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h index d7bbd9bd8893..ce1e656b800b 100644 --- a/drivers/net/dsa/microchip/ksz9477.h +++ b/drivers/net/dsa/microchip/ksz9477.h @@ -56,6 +56,13 @@ int ksz9477_reset_switch(struct ksz_device *dev); int ksz9477_switch_init(struct ksz_device *dev); void ksz9477_switch_exit(struct ksz_device *dev); void ksz9477_port_queue_split(struct ksz_device *dev, int port); +void ksz9477_hsr_join(struct dsa_switch *ds, int port, struct net_device *hsr); +void ksz9477_hsr_leave(struct dsa_switch *ds, int port, struct net_device *hsr); +void ksz9477_get_wol(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol); +int ksz9477_set_wol(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol); +void ksz9477_wol_pre_shutdown(struct ksz_device *dev, bool *wol_enabled); int ksz9477_port_acl_init(struct ksz_device *dev, int port); void ksz9477_port_acl_free(struct ksz_device *dev, int port); diff --git a/drivers/net/dsa/microchip/ksz9477_acl.c b/drivers/net/dsa/microchip/ksz9477_acl.c index 06d74c19eb94..7ba778df63ac 100644 --- a/drivers/net/dsa/microchip/ksz9477_acl.c +++ b/drivers/net/dsa/microchip/ksz9477_acl.c @@ -420,10 +420,6 @@ static int ksz9477_validate_and_get_src_count(struct ksz_device *dev, int port, return -EINVAL; } - /* Nothing to do */ - if (src_idx == dst_idx) - return 0; - /* Validate if the source entries are contiguous */ ret = ksz9477_acl_get_cont_entr(dev, port, src_idx); if (ret < 0) @@ -556,6 +552,10 @@ static int ksz9477_acl_move_entries(struct ksz_device *dev, int port, struct ksz9477_acl_entries *acles = &acl->acles; int src_count, ret, dst_count; + /* Nothing to do */ + if (src_idx == dst_idx) + return 0; + ret = ksz9477_validate_and_get_src_count(dev, port, src_idx, dst_idx, &src_count, &dst_count); if (ret) diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index 2710afad4f3a..cac4a607e54a 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -66,10 +66,7 @@ static void ksz9477_i2c_shutdown(struct i2c_client *i2c) if (!dev) return; - if (dev->dev_ops->reset) - dev->dev_ops->reset(dev); - - dsa_switch_shutdown(dev->ds); + ksz_switch_shutdown(dev); i2c_set_clientdata(i2c, NULL); } diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h index 504e085aab52..f3a205ee483f 100644 --- a/drivers/net/dsa/microchip/ksz9477_reg.h +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -153,13 +153,6 @@ #define SW_DOUBLE_TAG BIT(7) #define SW_RESET BIT(1) -#define REG_SW_MAC_ADDR_0 0x0302 -#define REG_SW_MAC_ADDR_1 0x0303 -#define REG_SW_MAC_ADDR_2 0x0304 -#define REG_SW_MAC_ADDR_3 0x0305 -#define REG_SW_MAC_ADDR_4 0x0306 -#define REG_SW_MAC_ADDR_5 0x0307 - #define REG_SW_MTU__2 0x0308 #define REG_SW_MTU_MASK GENMASK(13, 0) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 173ad8f04671..3fed406fb46a 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -16,6 +16,7 @@ #include <linux/etherdevice.h> #include <linux/if_bridge.h> #include <linux/if_vlan.h> +#include <linux/if_hsr.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/of.h> @@ -318,6 +319,9 @@ static const struct ksz_dev_ops ksz9477_dev_ops = { .mdb_del = ksz9477_mdb_del, .change_mtu = ksz9477_change_mtu, .phylink_mac_link_up = ksz9477_phylink_mac_link_up, + .get_wol = ksz9477_get_wol, + .set_wol = ksz9477_set_wol, + .wol_pre_shutdown = ksz9477_wol_pre_shutdown, .config_cpu_port = ksz9477_config_cpu_port, .tc_cbs_set_cinc = ksz9477_tc_cbs_set_cinc, .enable_stp_addr = ksz9477_enable_stp_addr, @@ -364,6 +368,7 @@ static const struct ksz_dev_ops lan937x_dev_ops = { }; static const u16 ksz8795_regs[] = { + [REG_SW_MAC_ADDR] = 0x68, [REG_IND_CTRL_0] = 0x6E, [REG_IND_DATA_8] = 0x70, [REG_IND_DATA_CHECK] = 0x72, @@ -439,6 +444,7 @@ static const u8 ksz8795_shifts[] = { }; static const u16 ksz8863_regs[] = { + [REG_SW_MAC_ADDR] = 0x70, [REG_IND_CTRL_0] = 0x79, [REG_IND_DATA_8] = 0x7B, [REG_IND_DATA_CHECK] = 0x7B, @@ -492,6 +498,7 @@ static u8 ksz8863_shifts[] = { }; static const u16 ksz9477_regs[] = { + [REG_SW_MAC_ADDR] = 0x0302, [P_STP_CTRL] = 0x0B04, [S_START_CTRL] = 0x0300, [S_BROADCAST_CTRL] = 0x0332, @@ -1942,14 +1949,14 @@ static int ksz_irq_phy_setup(struct ksz_device *dev) ret = irq; goto out; } - ds->slave_mii_bus->irq[phy] = irq; + ds->user_mii_bus->irq[phy] = irq; } } return 0; out: while (phy--) if (BIT(phy) & ds->phys_mii_mask) - irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); + irq_dispose_mapping(ds->user_mii_bus->irq[phy]); return ret; } @@ -1961,7 +1968,7 @@ static void ksz_irq_phy_free(struct ksz_device *dev) for (phy = 0; phy < KSZ_MAX_NUM_PORTS; phy++) if (BIT(phy) & ds->phys_mii_mask) - irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); + irq_dispose_mapping(ds->user_mii_bus->irq[phy]); } static int ksz_mdio_register(struct ksz_device *dev) @@ -1984,12 +1991,12 @@ static int ksz_mdio_register(struct ksz_device *dev) bus->priv = dev; bus->read = ksz_sw_mdio_read; bus->write = ksz_sw_mdio_write; - bus->name = "ksz slave smi"; + bus->name = "ksz user smi"; snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index); bus->parent = ds->dev; bus->phy_mask = ~ds->phys_mii_mask; - ds->slave_mii_bus = bus; + ds->user_mii_bus = bus; if (dev->irq > 0) { ret = ksz_irq_phy_setup(dev); @@ -2341,7 +2348,7 @@ static void ksz_mib_read_work(struct work_struct *work) if (!p->read) { const struct dsa_port *dp = dsa_to_port(dev->ds, i); - if (!netif_carrier_ok(dp->slave)) + if (!netif_carrier_ok(dp->user)) mib->cnt_ptr = dev->info->reg_mib_cnt; } port_r_cnt(dev, i); @@ -2461,7 +2468,7 @@ static void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, mutex_lock(&mib->cnt_mutex); /* Only read dropped counters if no link. */ - if (!netif_carrier_ok(dp->slave)) + if (!netif_carrier_ok(dp->user)) mib->cnt_ptr = dev->info->reg_mib_cnt; port_r_cnt(dev, port); memcpy(buf, mib->counters, dev->info->mib_cnt * sizeof(u64)); @@ -2571,7 +2578,7 @@ static int ksz_port_setup(struct dsa_switch *ds, int port) if (!dsa_is_user_port(ds, port)) return 0; - /* setup slave port */ + /* setup user port */ dev->dev_ops->port_setup(dev, port, false); /* port_stp_state_set() will be called after to enable the port so @@ -3539,6 +3546,224 @@ static int ksz_setup_tc(struct dsa_switch *ds, int port, } } +static void ksz_get_wol(struct dsa_switch *ds, int port, + struct ethtool_wolinfo *wol) +{ + struct ksz_device *dev = ds->priv; + + if (dev->dev_ops->get_wol) + dev->dev_ops->get_wol(dev, port, wol); +} + +static int ksz_set_wol(struct dsa_switch *ds, int port, + struct ethtool_wolinfo *wol) +{ + struct ksz_device *dev = ds->priv; + + if (dev->dev_ops->set_wol) + return dev->dev_ops->set_wol(dev, port, wol); + + return -EOPNOTSUPP; +} + +static int ksz_port_set_mac_address(struct dsa_switch *ds, int port, + const unsigned char *addr) +{ + struct dsa_port *dp = dsa_to_port(ds, port); + struct ethtool_wolinfo wol; + + if (dp->hsr_dev) { + dev_err(ds->dev, + "Cannot change MAC address on port %d with active HSR offload\n", + port); + return -EBUSY; + } + + ksz_get_wol(ds, dp->index, &wol); + if (wol.wolopts & WAKE_MAGIC) { + dev_err(ds->dev, + "Cannot change MAC address on port %d with active Wake on Magic Packet\n", + port); + return -EBUSY; + } + + return 0; +} + +/** + * ksz_is_port_mac_global_usable - Check if the MAC address on a given port + * can be used as a global address. + * @ds: Pointer to the DSA switch structure. + * @port: The port number on which the MAC address is to be checked. + * + * This function examines the MAC address set on the specified port and + * determines if it can be used as a global address for the switch. + * + * Return: true if the port's MAC address can be used as a global address, false + * otherwise. + */ +bool ksz_is_port_mac_global_usable(struct dsa_switch *ds, int port) +{ + struct net_device *user = dsa_to_port(ds, port)->user; + const unsigned char *addr = user->dev_addr; + struct ksz_switch_macaddr *switch_macaddr; + struct ksz_device *dev = ds->priv; + + ASSERT_RTNL(); + + switch_macaddr = dev->switch_macaddr; + if (switch_macaddr && !ether_addr_equal(switch_macaddr->addr, addr)) + return false; + + return true; +} + +/** + * ksz_switch_macaddr_get - Program the switch's MAC address register. + * @ds: DSA switch instance. + * @port: Port number. + * @extack: Netlink extended acknowledgment. + * + * This function programs the switch's MAC address register with the MAC address + * of the requesting user port. This single address is used by the switch for + * multiple features like HSR self-address filtering and WoL. Other user ports + * can share ownership of this address as long as their MAC address is the same. + * The MAC addresses of user ports must not change while they have ownership of + * the switch MAC address. + * + * Return: 0 on success, or other error codes on failure. + */ +int ksz_switch_macaddr_get(struct dsa_switch *ds, int port, + struct netlink_ext_ack *extack) +{ + struct net_device *user = dsa_to_port(ds, port)->user; + const unsigned char *addr = user->dev_addr; + struct ksz_switch_macaddr *switch_macaddr; + struct ksz_device *dev = ds->priv; + const u16 *regs = dev->info->regs; + int i, ret; + + /* Make sure concurrent MAC address changes are blocked */ + ASSERT_RTNL(); + + switch_macaddr = dev->switch_macaddr; + if (switch_macaddr) { + if (!ether_addr_equal(switch_macaddr->addr, addr)) { + NL_SET_ERR_MSG_FMT_MOD(extack, + "Switch already configured for MAC address %pM", + switch_macaddr->addr); + return -EBUSY; + } + + refcount_inc(&switch_macaddr->refcount); + return 0; + } + + switch_macaddr = kzalloc(sizeof(*switch_macaddr), GFP_KERNEL); + if (!switch_macaddr) + return -ENOMEM; + + ether_addr_copy(switch_macaddr->addr, addr); + refcount_set(&switch_macaddr->refcount, 1); + dev->switch_macaddr = switch_macaddr; + + /* Program the switch MAC address to hardware */ + for (i = 0; i < ETH_ALEN; i++) { + ret = ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i, addr[i]); + if (ret) + goto macaddr_drop; + } + + return 0; + +macaddr_drop: + dev->switch_macaddr = NULL; + refcount_set(&switch_macaddr->refcount, 0); + kfree(switch_macaddr); + + return ret; +} + +void ksz_switch_macaddr_put(struct dsa_switch *ds) +{ + struct ksz_switch_macaddr *switch_macaddr; + struct ksz_device *dev = ds->priv; + const u16 *regs = dev->info->regs; + int i; + + /* Make sure concurrent MAC address changes are blocked */ + ASSERT_RTNL(); + + switch_macaddr = dev->switch_macaddr; + if (!refcount_dec_and_test(&switch_macaddr->refcount)) + return; + + for (i = 0; i < ETH_ALEN; i++) + ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i, 0); + + dev->switch_macaddr = NULL; + kfree(switch_macaddr); +} + +static int ksz_hsr_join(struct dsa_switch *ds, int port, struct net_device *hsr, + struct netlink_ext_ack *extack) +{ + struct ksz_device *dev = ds->priv; + enum hsr_version ver; + int ret; + + ret = hsr_get_version(hsr, &ver); + if (ret) + return ret; + + if (dev->chip_id != KSZ9477_CHIP_ID) { + NL_SET_ERR_MSG_MOD(extack, "Chip does not support HSR offload"); + return -EOPNOTSUPP; + } + + /* KSZ9477 can support HW offloading of only 1 HSR device */ + if (dev->hsr_dev && hsr != dev->hsr_dev) { + NL_SET_ERR_MSG_MOD(extack, "Offload supported for a single HSR"); + return -EOPNOTSUPP; + } + + /* KSZ9477 only supports HSR v0 and v1 */ + if (!(ver == HSR_V0 || ver == HSR_V1)) { + NL_SET_ERR_MSG_MOD(extack, "Only HSR v0 and v1 supported"); + return -EOPNOTSUPP; + } + + /* Self MAC address filtering, to avoid frames traversing + * the HSR ring more than once. + */ + ret = ksz_switch_macaddr_get(ds, port, extack); + if (ret) + return ret; + + ksz9477_hsr_join(ds, port, hsr); + dev->hsr_dev = hsr; + dev->hsr_ports |= BIT(port); + + return 0; +} + +static int ksz_hsr_leave(struct dsa_switch *ds, int port, + struct net_device *hsr) +{ + struct ksz_device *dev = ds->priv; + + WARN_ON(dev->chip_id != KSZ9477_CHIP_ID); + + ksz9477_hsr_leave(ds, port, hsr); + dev->hsr_ports &= ~BIT(port); + if (!dev->hsr_ports) + dev->hsr_dev = NULL; + + ksz_switch_macaddr_put(ds); + + return 0; +} + static const struct dsa_switch_ops ksz_switch_ops = { .get_tag_protocol = ksz_get_tag_protocol, .connect_tag_protocol = ksz_connect_tag_protocol, @@ -3558,6 +3783,9 @@ static const struct dsa_switch_ops ksz_switch_ops = { .get_sset_count = ksz_sset_count, .port_bridge_join = ksz_port_bridge_join, .port_bridge_leave = ksz_port_bridge_leave, + .port_hsr_join = ksz_hsr_join, + .port_hsr_leave = ksz_hsr_leave, + .port_set_mac_address = ksz_port_set_mac_address, .port_stp_state_set = ksz_port_stp_state_set, .port_teardown = ksz_port_teardown, .port_pre_bridge_flags = ksz_port_pre_bridge_flags, @@ -3577,6 +3805,8 @@ static const struct dsa_switch_ops ksz_switch_ops = { .get_pause_stats = ksz_get_pause_stats, .port_change_mtu = ksz_change_mtu, .port_max_mtu = ksz_max_mtu, + .get_wol = ksz_get_wol, + .set_wol = ksz_set_wol, .get_ts_info = ksz_get_ts_info, .port_hwtstamp_get = ksz_hwtstamp_get, .port_hwtstamp_set = ksz_hwtstamp_set, @@ -3616,6 +3846,30 @@ struct ksz_device *ksz_switch_alloc(struct device *base, void *priv) } EXPORT_SYMBOL(ksz_switch_alloc); +/** + * ksz_switch_shutdown - Shutdown routine for the switch device. + * @dev: The switch device structure. + * + * This function is responsible for initiating a shutdown sequence for the + * switch device. It invokes the reset operation defined in the device + * operations, if available, to reset the switch. Subsequently, it calls the + * DSA framework's shutdown function to ensure a proper shutdown of the DSA + * switch. + */ +void ksz_switch_shutdown(struct ksz_device *dev) +{ + bool wol_enabled = false; + + if (dev->dev_ops->wol_pre_shutdown) + dev->dev_ops->wol_pre_shutdown(dev, &wol_enabled); + + if (dev->dev_ops->reset && !wol_enabled) + dev->dev_ops->reset(dev); + + dsa_switch_shutdown(dev->ds); +} +EXPORT_SYMBOL(ksz_switch_shutdown); + static void ksz_parse_rgmii_delay(struct ksz_device *dev, int port_num, struct device_node *port_dn) { @@ -4009,6 +4263,9 @@ int ksz_switch_register(struct ksz_device *dev) dev_err(dev->dev, "inconsistent synclko settings\n"); return -EINVAL; } + + dev->wakeup_source = of_property_read_bool(dev->dev->of_node, + "wakeup-source"); } ret = dsa_register_switch(dev->ds); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index d180c8a34e27..b7e8a403a132 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -101,6 +101,11 @@ struct ksz_ptp_irq { int num; }; +struct ksz_switch_macaddr { + unsigned char addr[ETH_ALEN]; + refcount_t refcount; +}; + struct ksz_port { bool remove_tag; /* Remove Tag flag set, for ksz8795 only */ bool learning; @@ -158,6 +163,7 @@ struct ksz_device { phy_interface_t compat_interface; bool synclko_125; bool synclko_disable; + bool wakeup_source; struct vlan_table *vlan_cache; @@ -170,6 +176,10 @@ struct ksz_device { struct mutex lock_irq; /* IRQ Access */ struct ksz_irq girq; struct ksz_ptp_data ptp_data; + + struct ksz_switch_macaddr *switch_macaddr; + struct net_device *hsr_dev; /* HSR */ + u8 hsr_ports; }; /* List of supported models */ @@ -212,6 +222,7 @@ enum ksz_chip_id { }; enum ksz_regs { + REG_SW_MAC_ADDR, REG_IND_CTRL_0, REG_IND_DATA_8, REG_IND_DATA_CHECK, @@ -363,6 +374,11 @@ struct ksz_dev_ops { int duplex, bool tx_pause, bool rx_pause); void (*setup_rgmii_delay)(struct ksz_device *dev, int port); int (*tc_cbs_set_cinc)(struct ksz_device *dev, int port, u32 val); + void (*get_wol)(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol); + int (*set_wol)(struct ksz_device *dev, int port, + struct ethtool_wolinfo *wol); + void (*wol_pre_shutdown)(struct ksz_device *dev, bool *wol_enabled); void (*config_cpu_port)(struct dsa_switch *ds); int (*enable_stp_addr)(struct ksz_device *dev); int (*reset)(struct ksz_device *dev); @@ -375,12 +391,17 @@ int ksz_switch_register(struct ksz_device *dev); void ksz_switch_remove(struct ksz_device *dev); void ksz_init_mib_timer(struct ksz_device *dev); +bool ksz_is_port_mac_global_usable(struct dsa_switch *ds, int port); void ksz_r_mib_stats64(struct ksz_device *dev, int port); void ksz88xx_r_mib_stats64(struct ksz_device *dev, int port); void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state); bool ksz_get_gbit(struct ksz_device *dev, int port); phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit); extern const struct ksz_chip_data ksz_switch_chips[]; +int ksz_switch_macaddr_get(struct dsa_switch *ds, int port, + struct netlink_ext_ack *extack); +void ksz_switch_macaddr_put(struct dsa_switch *ds); +void ksz_switch_shutdown(struct ksz_device *dev); /* Common register access functions */ static inline struct regmap *ksz_regmap_8(struct ksz_device *dev) diff --git a/drivers/net/dsa/microchip/ksz_ptp.c b/drivers/net/dsa/microchip/ksz_ptp.c index 4e22a695a64c..1fe105913c75 100644 --- a/drivers/net/dsa/microchip/ksz_ptp.c +++ b/drivers/net/dsa/microchip/ksz_ptp.c @@ -557,7 +557,7 @@ static void ksz_ptp_txtstamp_skb(struct ksz_device *dev, struct skb_shared_hwtstamps hwtstamps = {}; int ret; - /* timeout must include DSA master to transmit data, tstamp latency, + /* timeout must include DSA conduit to transmit data, tstamp latency, * IRQ latency and time for reading the time stamp. */ ret = wait_for_completion_timeout(&prt->tstamp_msg_comp, diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c index 279338451621..6f6d878e742c 100644 --- a/drivers/net/dsa/microchip/ksz_spi.c +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -114,10 +114,7 @@ static void ksz_spi_shutdown(struct spi_device *spi) if (!dev) return; - if (dev->dev_ops->reset) - dev->dev_ops->reset(dev); - - dsa_switch_shutdown(dev->ds); + ksz_switch_shutdown(dev); spi_set_drvdata(spi, NULL); } diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 035a34b50f31..d27c6b70a2f6 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -836,8 +836,7 @@ mt7530_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < ARRAY_SIZE(mt7530_mib); i++) - strncpy(data + i * ETH_GSTRING_LEN, mt7530_mib[i].name, - ETH_GSTRING_LEN); + ethtool_sprintf(&data, "%s", mt7530_mib[i].name); } static void @@ -1114,7 +1113,7 @@ mt7530_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) u32 val; /* When a new MTU is set, DSA always set the CPU port's MTU to the - * largest MTU of the slave ports. Because the switch only has a global + * largest MTU of the user ports. Because the switch only has a global * RX length register, only allowing CPU port here is enough. */ if (!dsa_is_cpu_port(ds, port)) @@ -2070,7 +2069,7 @@ mt7530_setup_mdio_irq(struct mt7530_priv *priv) unsigned int irq; irq = irq_create_mapping(priv->irq_domain, p); - ds->slave_mii_bus->irq[p] = irq; + ds->user_mii_bus->irq[p] = irq; } } } @@ -2164,7 +2163,7 @@ mt7530_setup_mdio(struct mt7530_priv *priv) if (!bus) return -ENOMEM; - ds->slave_mii_bus = bus; + ds->user_mii_bus = bus; bus->priv = priv; bus->name = KBUILD_MODNAME "-mii"; snprintf(bus->id, MII_BUS_ID_SIZE, KBUILD_MODNAME "-%d", idx++); @@ -2201,20 +2200,20 @@ mt7530_setup(struct dsa_switch *ds) u32 id, val; int ret, i; - /* The parent node of master netdev which holds the common system + /* The parent node of conduit netdev which holds the common system * controller also is the container for two GMACs nodes representing * as two netdev instances. */ dsa_switch_for_each_cpu_port(cpu_dp, ds) { - dn = cpu_dp->master->dev.of_node->parent; + dn = cpu_dp->conduit->dev.of_node->parent; /* It doesn't matter which CPU port is found first, - * their masters should share the same parent OF node + * their conduits should share the same parent OF node */ break; } if (!dn) { - dev_err(ds->dev, "parent OF node of DSA master not found"); + dev_err(ds->dev, "parent OF node of DSA conduit not found"); return -EINVAL; } @@ -2489,7 +2488,7 @@ mt7531_setup(struct dsa_switch *ds) if (mt7531_dual_sgmii_supported(priv)) { priv->p5_intf_sel = P5_INTF_SEL_GMAC5_SGMII; - /* Let ds->slave_mii_bus be able to access external phy. */ + /* Let ds->user_mii_bus be able to access external phy. */ mt7530_rmw(priv, MT7531_GPIO_MODE1, MT7531_GPIO11_RG_RXD2_MASK, MT7531_EXT_P_MDC_11); mt7530_rmw(priv, MT7531_GPIO_MODE1, MT7531_GPIO12_RG_RXD3_MASK, @@ -2718,7 +2717,7 @@ mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode, case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: dp = dsa_to_port(ds, port); - phydev = dp->slave->phydev; + phydev = dp->user->phydev; return mt7531_rgmii_setup(priv, port, interface, phydev); case PHY_INTERFACE_MODE_SGMII: case PHY_INTERFACE_MODE_NA: @@ -2824,15 +2823,6 @@ static void mt753x_phylink_mac_link_down(struct dsa_switch *ds, int port, mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK); } -static void mt753x_phylink_pcs_link_up(struct phylink_pcs *pcs, - unsigned int mode, - phy_interface_t interface, - int speed, int duplex) -{ - if (pcs->ops->pcs_link_up) - pcs->ops->pcs_link_up(pcs, mode, interface, speed, duplex); -} - static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, @@ -2921,8 +2911,6 @@ mt7531_cpu_port_config(struct dsa_switch *ds, int port) return ret; mt7530_write(priv, MT7530_PMCR_P(port), PMCR_CPU_PORT_SETTING(priv->id)); - mt753x_phylink_pcs_link_up(&priv->pcs[port].pcs, MLO_AN_FIXED, - interface, speed, DUPLEX_FULL); mt753x_phylink_mac_link_up(ds, port, MLO_AN_FIXED, interface, NULL, speed, DUPLEX_FULL, true, true); diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 52a99d8bada0..42b1acaca33a 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2486,7 +2486,7 @@ static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port, else member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED; - /* net/dsa/slave.c will call dsa_port_vlan_add() for the affected port + /* net/dsa/user.c will call dsa_port_vlan_add() for the affected port * and then the CPU port. Do not warn for duplicates for the CPU port. */ warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port); @@ -2958,14 +2958,16 @@ static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip) * from the wrong location resulting in the switch booting * to wrong mode and inoperable. */ - mv88e6xxx_g1_wait_eeprom_done(chip); + if (chip->info->ops->get_eeprom) + mv88e6xxx_g2_eeprom_wait(chip); gpiod_set_value_cansleep(gpiod, 1); usleep_range(10000, 20000); gpiod_set_value_cansleep(gpiod, 0); usleep_range(10000, 20000); - mv88e6xxx_g1_wait_eeprom_done(chip); + if (chip->info->ops->get_eeprom) + mv88e6xxx_g2_eeprom_wait(chip); } } @@ -3717,7 +3719,7 @@ static int mv88e6xxx_setup(struct dsa_switch *ds) return err; chip->ds = ds; - ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip); + ds->user_mii_bus = mv88e6xxx_default_mdio_bus(chip); /* Since virtual bridges are mapped in the PVT, the number we support * depends on the physical switch topology. We need to let DSA figure diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c index 2fa55a643591..174c773b38c2 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.c +++ b/drivers/net/dsa/mv88e6xxx/global1.c @@ -75,37 +75,6 @@ static int mv88e6xxx_g1_wait_init_ready(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_STS, bit, 1); } -void mv88e6xxx_g1_wait_eeprom_done(struct mv88e6xxx_chip *chip) -{ - const unsigned long timeout = jiffies + 1 * HZ; - u16 val; - int err; - - /* Wait up to 1 second for the switch to finish reading the - * EEPROM. - */ - while (time_before(jiffies, timeout)) { - err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &val); - if (err) { - dev_err(chip->dev, "Error reading status"); - return; - } - - /* If the switch is still resetting, it may not - * respond on the bus, and so MDIO read returns - * 0xffff. Differentiate between that, and waiting for - * the EEPROM to be done by bit 0 being set. - */ - if (val != 0xffff && - val & BIT(MV88E6XXX_G1_STS_IRQ_EEPROM_DONE)) - return; - - usleep_range(1000, 2000); - } - - dev_err(chip->dev, "Timeout waiting for EEPROM done"); -} - /* Offset 0x01: Switch MAC Address Register Bytes 0 & 1 * Offset 0x02: Switch MAC Address Register Bytes 2 & 3 * Offset 0x03: Switch MAC Address Register Bytes 4 & 5 diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h index c99ddd117fe6..1095261f5b49 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.h +++ b/drivers/net/dsa/mv88e6xxx/global1.h @@ -282,7 +282,6 @@ int mv88e6xxx_g1_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr); int mv88e6185_g1_reset(struct mv88e6xxx_chip *chip); int mv88e6352_g1_reset(struct mv88e6xxx_chip *chip); int mv88e6250_g1_reset(struct mv88e6xxx_chip *chip); -void mv88e6xxx_g1_wait_eeprom_done(struct mv88e6xxx_chip *chip); int mv88e6185_g1_ppu_enable(struct mv88e6xxx_chip *chip); int mv88e6185_g1_ppu_disable(struct mv88e6xxx_chip *chip); diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c index 937a01f2ba75..b2b5f6ba438f 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.c +++ b/drivers/net/dsa/mv88e6xxx/global2.c @@ -340,7 +340,7 @@ int mv88e6xxx_g2_pot_clear(struct mv88e6xxx_chip *chip) * Offset 0x15: EEPROM Addr (for 8-bit data access) */ -static int mv88e6xxx_g2_eeprom_wait(struct mv88e6xxx_chip *chip) +int mv88e6xxx_g2_eeprom_wait(struct mv88e6xxx_chip *chip) { int bit = __bf_shf(MV88E6XXX_G2_EEPROM_CMD_BUSY); int err; diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h index 7e091965582b..d9434f7cae53 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.h +++ b/drivers/net/dsa/mv88e6xxx/global2.h @@ -365,6 +365,7 @@ int mv88e6xxx_g2_trunk_clear(struct mv88e6xxx_chip *chip); int mv88e6xxx_g2_device_mapping_write(struct mv88e6xxx_chip *chip, int target, int port); +int mv88e6xxx_g2_eeprom_wait(struct mv88e6xxx_chip *chip); extern const struct mv88e6xxx_irq_ops mv88e6097_watchdog_ops; extern const struct mv88e6xxx_irq_ops mv88e6250_watchdog_ops; diff --git a/drivers/net/dsa/mv88e6xxx/pcs-639x.c b/drivers/net/dsa/mv88e6xxx/pcs-639x.c index ba373656bfe1..9a8429f5d09c 100644 --- a/drivers/net/dsa/mv88e6xxx/pcs-639x.c +++ b/drivers/net/dsa/mv88e6xxx/pcs-639x.c @@ -208,7 +208,7 @@ static void mv88e639x_sgmii_pcs_pre_config(struct phylink_pcs *pcs, static int mv88e6390_erratum_3_14(struct mv88e639x_pcs *mpcs) { - const int lanes[] = { MV88E6390_PORT9_LANE0, MV88E6390_PORT9_LANE1, + static const int lanes[] = { MV88E6390_PORT9_LANE0, MV88E6390_PORT9_LANE1, MV88E6390_PORT9_LANE2, MV88E6390_PORT9_LANE3, MV88E6390_PORT10_LANE0, MV88E6390_PORT10_LANE1, MV88E6390_PORT10_LANE2, MV88E6390_PORT10_LANE3 }; diff --git a/drivers/net/dsa/mv88e6xxx/ptp.c b/drivers/net/dsa/mv88e6xxx/ptp.c index ea17231dc34e..56391e09b325 100644 --- a/drivers/net/dsa/mv88e6xxx/ptp.c +++ b/drivers/net/dsa/mv88e6xxx/ptp.c @@ -182,6 +182,10 @@ static void mv88e6352_tai_event_work(struct work_struct *ugly) mv88e6xxx_reg_lock(chip); err = mv88e6xxx_tai_write(chip, MV88E6XXX_TAI_EVENT_STATUS, status[0]); mv88e6xxx_reg_unlock(chip); + if (err) { + dev_err(chip->dev, "failed to write TAI status register\n"); + return; + } /* This is an external timestamp */ ev.type = PTP_CLOCK_EXTTS; diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 9a3e5ec16972..61e95487732d 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -42,22 +42,22 @@ static struct net_device *felix_classify_db(struct dsa_db db) } } -static int felix_cpu_port_for_master(struct dsa_switch *ds, - struct net_device *master) +static int felix_cpu_port_for_conduit(struct dsa_switch *ds, + struct net_device *conduit) { struct ocelot *ocelot = ds->priv; struct dsa_port *cpu_dp; int lag; - if (netif_is_lag_master(master)) { + if (netif_is_lag_master(conduit)) { mutex_lock(&ocelot->fwd_domain_lock); - lag = ocelot_bond_get_id(ocelot, master); + lag = ocelot_bond_get_id(ocelot, conduit); mutex_unlock(&ocelot->fwd_domain_lock); return lag; } - cpu_dp = master->dsa_ptr; + cpu_dp = conduit->dsa_ptr; return cpu_dp->index; } @@ -366,7 +366,7 @@ static int felix_update_trapping_destinations(struct dsa_switch *ds, * is the mode through which frames can be injected from and extracted to an * external CPU, over Ethernet. In NXP SoCs, the "external CPU" is the ARM CPU * running Linux, and this forms a DSA setup together with the enetc or fman - * DSA master. + * DSA conduit. */ static void felix_npi_port_init(struct ocelot *ocelot, int port) { @@ -441,16 +441,16 @@ static unsigned long felix_tag_npi_get_host_fwd_mask(struct dsa_switch *ds) return BIT(ocelot->num_phys_ports); } -static int felix_tag_npi_change_master(struct dsa_switch *ds, int port, - struct net_device *master, - struct netlink_ext_ack *extack) +static int felix_tag_npi_change_conduit(struct dsa_switch *ds, int port, + struct net_device *conduit, + struct netlink_ext_ack *extack) { struct dsa_port *dp = dsa_to_port(ds, port), *other_dp; struct ocelot *ocelot = ds->priv; - if (netif_is_lag_master(master)) { + if (netif_is_lag_master(conduit)) { NL_SET_ERR_MSG_MOD(extack, - "LAG DSA master only supported using ocelot-8021q"); + "LAG DSA conduit only supported using ocelot-8021q"); return -EOPNOTSUPP; } @@ -459,24 +459,24 @@ static int felix_tag_npi_change_master(struct dsa_switch *ds, int port, * come back up until they're all changed to the new one. */ dsa_switch_for_each_user_port(other_dp, ds) { - struct net_device *slave = other_dp->slave; + struct net_device *user = other_dp->user; - if (other_dp != dp && (slave->flags & IFF_UP) && - dsa_port_to_master(other_dp) != master) { + if (other_dp != dp && (user->flags & IFF_UP) && + dsa_port_to_conduit(other_dp) != conduit) { NL_SET_ERR_MSG_MOD(extack, - "Cannot change while old master still has users"); + "Cannot change while old conduit still has users"); return -EOPNOTSUPP; } } felix_npi_port_deinit(ocelot, ocelot->npi); - felix_npi_port_init(ocelot, felix_cpu_port_for_master(ds, master)); + felix_npi_port_init(ocelot, felix_cpu_port_for_conduit(ds, conduit)); return 0; } /* Alternatively to using the NPI functionality, that same hardware MAC - * connected internally to the enetc or fman DSA master can be configured to + * connected internally to the enetc or fman DSA conduit can be configured to * use the software-defined tag_8021q frame format. As far as the hardware is * concerned, it thinks it is a "dumb switch" - the queues of the CPU port * module are now disconnected from it, but can still be accessed through @@ -486,7 +486,7 @@ static const struct felix_tag_proto_ops felix_tag_npi_proto_ops = { .setup = felix_tag_npi_setup, .teardown = felix_tag_npi_teardown, .get_host_fwd_mask = felix_tag_npi_get_host_fwd_mask, - .change_master = felix_tag_npi_change_master, + .change_conduit = felix_tag_npi_change_conduit, }; static int felix_tag_8021q_setup(struct dsa_switch *ds) @@ -561,11 +561,11 @@ static unsigned long felix_tag_8021q_get_host_fwd_mask(struct dsa_switch *ds) return dsa_cpu_ports(ds); } -static int felix_tag_8021q_change_master(struct dsa_switch *ds, int port, - struct net_device *master, - struct netlink_ext_ack *extack) +static int felix_tag_8021q_change_conduit(struct dsa_switch *ds, int port, + struct net_device *conduit, + struct netlink_ext_ack *extack) { - int cpu = felix_cpu_port_for_master(ds, master); + int cpu = felix_cpu_port_for_conduit(ds, conduit); struct ocelot *ocelot = ds->priv; ocelot_port_unassign_dsa_8021q_cpu(ocelot, port); @@ -578,7 +578,7 @@ static const struct felix_tag_proto_ops felix_tag_8021q_proto_ops = { .setup = felix_tag_8021q_setup, .teardown = felix_tag_8021q_teardown, .get_host_fwd_mask = felix_tag_8021q_get_host_fwd_mask, - .change_master = felix_tag_8021q_change_master, + .change_conduit = felix_tag_8021q_change_conduit, }; static void felix_set_host_flood(struct dsa_switch *ds, unsigned long mask, @@ -741,14 +741,14 @@ static void felix_port_set_host_flood(struct dsa_switch *ds, int port, !!felix->host_flood_mc_mask, true); } -static int felix_port_change_master(struct dsa_switch *ds, int port, - struct net_device *master, - struct netlink_ext_ack *extack) +static int felix_port_change_conduit(struct dsa_switch *ds, int port, + struct net_device *conduit, + struct netlink_ext_ack *extack) { struct ocelot *ocelot = ds->priv; struct felix *felix = ocelot_to_felix(ocelot); - return felix->tag_proto_ops->change_master(ds, port, master, extack); + return felix->tag_proto_ops->change_conduit(ds, port, conduit, extack); } static int felix_set_ageing_time(struct dsa_switch *ds, @@ -953,7 +953,7 @@ static int felix_lag_join(struct dsa_switch *ds, int port, if (!dsa_is_cpu_port(ds, port)) return 0; - return felix_port_change_master(ds, port, lag.dev, extack); + return felix_port_change_conduit(ds, port, lag.dev, extack); } static int felix_lag_leave(struct dsa_switch *ds, int port, @@ -967,7 +967,7 @@ static int felix_lag_leave(struct dsa_switch *ds, int port, if (!dsa_is_cpu_port(ds, port)) return 0; - return felix_port_change_master(ds, port, lag.dev, NULL); + return felix_port_change_conduit(ds, port, lag.dev, NULL); } static int felix_lag_change(struct dsa_switch *ds, int port) @@ -1116,10 +1116,10 @@ static int felix_port_enable(struct dsa_switch *ds, int port, return 0; if (ocelot->npi >= 0) { - struct net_device *master = dsa_port_to_master(dp); + struct net_device *conduit = dsa_port_to_conduit(dp); - if (felix_cpu_port_for_master(ds, master) != ocelot->npi) { - dev_err(ds->dev, "Multiple masters are not allowed\n"); + if (felix_cpu_port_for_conduit(ds, conduit) != ocelot->npi) { + dev_err(ds->dev, "Multiple conduits are not allowed\n"); return -EINVAL; } } @@ -2164,7 +2164,7 @@ const struct dsa_switch_ops felix_switch_ops = { .port_add_dscp_prio = felix_port_add_dscp_prio, .port_del_dscp_prio = felix_port_del_dscp_prio, .port_set_host_flood = felix_port_set_host_flood, - .port_change_master = felix_port_change_master, + .port_change_conduit = felix_port_change_conduit, }; EXPORT_SYMBOL_GPL(felix_switch_ops); @@ -2176,7 +2176,7 @@ struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port) if (!dsa_is_user_port(ds, port)) return NULL; - return dsa_to_port(ds, port)->slave; + return dsa_to_port(ds, port)->user; } EXPORT_SYMBOL_GPL(felix_port_to_netdev); diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h index 1d4befe7cfe8..dbf5872fe367 100644 --- a/drivers/net/dsa/ocelot/felix.h +++ b/drivers/net/dsa/ocelot/felix.h @@ -77,9 +77,9 @@ struct felix_tag_proto_ops { int (*setup)(struct dsa_switch *ds); void (*teardown)(struct dsa_switch *ds); unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds); - int (*change_master)(struct dsa_switch *ds, int port, - struct net_device *master, - struct netlink_ext_ack *extack); + int (*change_conduit)(struct dsa_switch *ds, int port, + struct net_device *conduit, + struct netlink_ext_ack *extack); }; extern const struct dsa_switch_ops felix_switch_ops; diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index de1dc22cf683..ec57d9d52072 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -323,14 +323,14 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) mutex_lock(&mgmt_eth_data->mutex); - /* Check mgmt_master if is operational */ - if (!priv->mgmt_master) { + /* Check if the mgmt_conduit if is operational */ + if (!priv->mgmt_conduit) { kfree_skb(skb); mutex_unlock(&mgmt_eth_data->mutex); return -EINVAL; } - skb->dev = priv->mgmt_master; + skb->dev = priv->mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -375,14 +375,14 @@ static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) mutex_lock(&mgmt_eth_data->mutex); - /* Check mgmt_master if is operational */ - if (!priv->mgmt_master) { + /* Check if the mgmt_conduit if is operational */ + if (!priv->mgmt_conduit) { kfree_skb(skb); mutex_unlock(&mgmt_eth_data->mutex); return -EINVAL; } - skb->dev = priv->mgmt_master; + skb->dev = priv->mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -505,10 +505,10 @@ qca8k_bulk_read(void *ctx, const void *reg_buf, size_t reg_len, void *val_buf, size_t val_len) { int i, count = val_len / sizeof(u32), ret; - u32 reg = *(u32 *)reg_buf & U16_MAX; struct qca8k_priv *priv = ctx; + u32 reg = *(u16 *)reg_buf; - if (priv->mgmt_master && + if (priv->mgmt_conduit && !qca8k_read_eth(priv, reg, val_buf, val_len)) return 0; @@ -527,11 +527,11 @@ qca8k_bulk_gather_write(void *ctx, const void *reg_buf, size_t reg_len, const void *val_buf, size_t val_len) { int i, count = val_len / sizeof(u32), ret; - u32 reg = *(u32 *)reg_buf & U16_MAX; struct qca8k_priv *priv = ctx; + u32 reg = *(u16 *)reg_buf; u32 *val = (u32 *)val_buf; - if (priv->mgmt_master && + if (priv->mgmt_conduit && !qca8k_write_eth(priv, reg, val, val_len)) return 0; @@ -626,7 +626,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, struct sk_buff *write_skb, *clear_skb, *read_skb; struct qca8k_mgmt_eth_data *mgmt_eth_data; u32 write_val, clear_val = 0, val; - struct net_device *mgmt_master; + struct net_device *mgmt_conduit; int ret, ret1; bool ack; @@ -666,6 +666,15 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, goto err_read_skb; } + /* It seems that accessing the switch's internal PHYs via management + * packets still uses the MDIO bus within the switch internally, and + * these accesses can conflict with external MDIO accesses to other + * devices on the MDIO bus. + * We therefore need to lock the MDIO bus onto which the switch is + * connected. + */ + mutex_lock(&priv->bus->mdio_lock); + /* Actually start the request: * 1. Send mdio master packet * 2. Busy Wait for mdio master command @@ -674,17 +683,18 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, */ mutex_lock(&mgmt_eth_data->mutex); - /* Check if mgmt_master is operational */ - mgmt_master = priv->mgmt_master; - if (!mgmt_master) { + /* Check if mgmt_conduit is operational */ + mgmt_conduit = priv->mgmt_conduit; + if (!mgmt_conduit) { mutex_unlock(&mgmt_eth_data->mutex); + mutex_unlock(&priv->bus->mdio_lock); ret = -EINVAL; - goto err_mgmt_master; + goto err_mgmt_conduit; } - read_skb->dev = mgmt_master; - clear_skb->dev = mgmt_master; - write_skb->dev = mgmt_master; + read_skb->dev = mgmt_conduit; + clear_skb->dev = mgmt_conduit; + write_skb->dev = mgmt_conduit; reinit_completion(&mgmt_eth_data->rw_done); @@ -765,11 +775,12 @@ exit: QCA8K_ETHERNET_TIMEOUT); mutex_unlock(&mgmt_eth_data->mutex); + mutex_unlock(&priv->bus->mdio_lock); return ret; /* Error handling before lock */ -err_mgmt_master: +err_mgmt_conduit: kfree_skb(read_skb); err_read_skb: kfree_skb(clear_skb); @@ -948,12 +959,12 @@ qca8k_mdio_register(struct qca8k_priv *priv) ds->dst->index, ds->index); bus->parent = ds->dev; bus->phy_mask = ~ds->phys_mii_mask; - ds->slave_mii_bus = bus; + ds->user_mii_bus = bus; /* Check if the devicetree declare the port:phy mapping */ mdio = of_get_child_by_name(priv->dev->of_node, "mdio"); if (of_device_is_available(mdio)) { - bus->name = "qca8k slave mii"; + bus->name = "qca8k user mii"; bus->read = qca8k_internal_mdio_read; bus->write = qca8k_internal_mdio_write; return devm_of_mdiobus_register(priv->dev, bus, mdio); @@ -962,7 +973,7 @@ qca8k_mdio_register(struct qca8k_priv *priv) /* If a mapping can't be found the legacy mapping is used, * using the qca8k_port_to_phy function */ - bus->name = "qca8k-legacy slave mii"; + bus->name = "qca8k-legacy user mii"; bus->read = qca8k_legacy_mdio_read; bus->write = qca8k_legacy_mdio_write; return devm_mdiobus_register(priv->dev, bus); @@ -1717,10 +1728,10 @@ qca8k_get_tag_protocol(struct dsa_switch *ds, int port, } static void -qca8k_master_change(struct dsa_switch *ds, const struct net_device *master, - bool operational) +qca8k_conduit_change(struct dsa_switch *ds, const struct net_device *conduit, + bool operational) { - struct dsa_port *dp = master->dsa_ptr; + struct dsa_port *dp = conduit->dsa_ptr; struct qca8k_priv *priv = ds->priv; /* Ethernet MIB/MDIO is only supported for CPU port 0 */ @@ -1730,7 +1741,7 @@ qca8k_master_change(struct dsa_switch *ds, const struct net_device *master, mutex_lock(&priv->mgmt_eth_data.mutex); mutex_lock(&priv->mib_eth_data.mutex); - priv->mgmt_master = operational ? (struct net_device *)master : NULL; + priv->mgmt_conduit = operational ? (struct net_device *)conduit : NULL; mutex_unlock(&priv->mib_eth_data.mutex); mutex_unlock(&priv->mgmt_eth_data.mutex); @@ -2005,7 +2016,7 @@ static const struct dsa_switch_ops qca8k_switch_ops = { .get_phy_flags = qca8k_get_phy_flags, .port_lag_join = qca8k_port_lag_join, .port_lag_leave = qca8k_port_lag_leave, - .master_state_change = qca8k_master_change, + .conduit_state_change = qca8k_conduit_change, .connect_tag_protocol = qca8k_connect_tag_protocol, }; diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c index fce04ce12cf9..9243eff8918d 100644 --- a/drivers/net/dsa/qca/qca8k-common.c +++ b/drivers/net/dsa/qca/qca8k-common.c @@ -487,8 +487,7 @@ void qca8k_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < priv->info->mib_count; i++) - strncpy(data + i * ETH_GSTRING_LEN, ar8327_mib[i].name, - ETH_GSTRING_LEN); + ethtool_sprintf(&data, "%s", ar8327_mib[i].name); } void qca8k_get_ethtool_stats(struct dsa_switch *ds, int port, @@ -500,7 +499,7 @@ void qca8k_get_ethtool_stats(struct dsa_switch *ds, int port, u32 hi = 0; int ret; - if (priv->mgmt_master && priv->info->ops->autocast_mib && + if (priv->mgmt_conduit && priv->info->ops->autocast_mib && priv->info->ops->autocast_mib(ds, port, data) > 0) return; @@ -762,7 +761,7 @@ int qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) int ret; /* We have only have a general MTU setting. - * DSA always set the CPU port's MTU to the largest MTU of the slave + * DSA always set the CPU port's MTU to the largest MTU of the user * ports. * Setting MTU just for the CPU port is sufficient to correctly set a * value for every port. diff --git a/drivers/net/dsa/qca/qca8k-leds.c b/drivers/net/dsa/qca/qca8k-leds.c index e8c16e76e34b..90e30c2909e4 100644 --- a/drivers/net/dsa/qca/qca8k-leds.c +++ b/drivers/net/dsa/qca/qca8k-leds.c @@ -356,8 +356,8 @@ static struct device *qca8k_cled_hw_control_get_device(struct led_classdev *ldev dp = dsa_to_port(priv->ds, qca8k_phy_to_port(led->port_num)); if (!dp) return NULL; - if (dp->slave) - return &dp->slave->dev; + if (dp->user) + return &dp->user->dev; return NULL; } @@ -429,7 +429,7 @@ qca8k_parse_port_leds(struct qca8k_priv *priv, struct fwnode_handle *port, int p init_data.default_label = ":port"; init_data.fwnode = led; init_data.devname_mandatory = true; - init_data.devicename = kasprintf(GFP_KERNEL, "%s:0%d", ds->slave_mii_bus->id, + init_data.devicename = kasprintf(GFP_KERNEL, "%s:0%d", ds->user_mii_bus->id, port_num); if (!init_data.devicename) return -ENOMEM; diff --git a/drivers/net/dsa/qca/qca8k.h b/drivers/net/dsa/qca/qca8k.h index 8f88b7db384d..2ac7e88f8da5 100644 --- a/drivers/net/dsa/qca/qca8k.h +++ b/drivers/net/dsa/qca/qca8k.h @@ -458,7 +458,7 @@ struct qca8k_priv { struct mutex reg_mutex; struct device *dev; struct gpio_desc *reset_gpio; - struct net_device *mgmt_master; /* Track if mdio/mib Ethernet is available */ + struct net_device *mgmt_conduit; /* Track if mdio/mib Ethernet is available */ struct qca8k_mgmt_eth_data mgmt_eth_data; struct qca8k_mib_eth_data mib_eth_data; struct qca8k_mdio_cache mdio_cache; diff --git a/drivers/net/dsa/realtek/realtek-smi.c b/drivers/net/dsa/realtek/realtek-smi.c index bfd11591faf4..755546ed8db6 100644 --- a/drivers/net/dsa/realtek/realtek-smi.c +++ b/drivers/net/dsa/realtek/realtek-smi.c @@ -378,25 +378,25 @@ static int realtek_smi_setup_mdio(struct dsa_switch *ds) return -ENODEV; } - priv->slave_mii_bus = devm_mdiobus_alloc(priv->dev); - if (!priv->slave_mii_bus) { + priv->user_mii_bus = devm_mdiobus_alloc(priv->dev); + if (!priv->user_mii_bus) { ret = -ENOMEM; goto err_put_node; } - priv->slave_mii_bus->priv = priv; - priv->slave_mii_bus->name = "SMI slave MII"; - priv->slave_mii_bus->read = realtek_smi_mdio_read; - priv->slave_mii_bus->write = realtek_smi_mdio_write; - snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d", + priv->user_mii_bus->priv = priv; + priv->user_mii_bus->name = "SMI user MII"; + priv->user_mii_bus->read = realtek_smi_mdio_read; + priv->user_mii_bus->write = realtek_smi_mdio_write; + snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index); - priv->slave_mii_bus->dev.of_node = mdio_np; - priv->slave_mii_bus->parent = priv->dev; - ds->slave_mii_bus = priv->slave_mii_bus; + priv->user_mii_bus->dev.of_node = mdio_np; + priv->user_mii_bus->parent = priv->dev; + ds->user_mii_bus = priv->user_mii_bus; - ret = devm_of_mdiobus_register(priv->dev, priv->slave_mii_bus, mdio_np); + ret = devm_of_mdiobus_register(priv->dev, priv->user_mii_bus, mdio_np); if (ret) { dev_err(priv->dev, "unable to register MDIO bus %s\n", - priv->slave_mii_bus->id); + priv->user_mii_bus->id); goto err_put_node; } @@ -514,8 +514,8 @@ static void realtek_smi_remove(struct platform_device *pdev) return; dsa_unregister_switch(priv->ds); - if (priv->slave_mii_bus) - of_node_put(priv->slave_mii_bus->dev.of_node); + if (priv->user_mii_bus) + of_node_put(priv->user_mii_bus->dev.of_node); /* leave the device reset asserted */ if (priv->reset) diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h index 4fa7c6ba874a..790488e9c667 100644 --- a/drivers/net/dsa/realtek/realtek.h +++ b/drivers/net/dsa/realtek/realtek.h @@ -54,7 +54,7 @@ struct realtek_priv { struct regmap *map; struct regmap *map_nolock; struct mutex map_lock; - struct mii_bus *slave_mii_bus; + struct mii_bus *user_mii_bus; struct mii_bus *bus; int mdio_addr; diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 41ea3b5a42b1..0875e4fc9f57 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -1144,7 +1144,7 @@ static int rtl8365mb_port_change_mtu(struct dsa_switch *ds, int port, int frame_size; /* When a new MTU is set, DSA always sets the CPU port's MTU to the - * largest MTU of the slave ports. Because the switch only has a global + * largest MTU of the user ports. Because the switch only has a global * RX length register, only allowing CPU port here is enough. */ if (!dsa_is_cpu_port(ds, port)) @@ -1303,8 +1303,7 @@ static void rtl8365mb_get_strings(struct dsa_switch *ds, int port, u32 stringset for (i = 0; i < RTL8365MB_MIB_END; i++) { struct rtl8365mb_mib_counter *mib = &rtl8365mb_mib_counters[i]; - - strncpy(data + i * ETH_GSTRING_LEN, mib->name, ETH_GSTRING_LEN); + ethtool_sprintf(&data, "%s", mib->name); } } diff --git a/drivers/net/dsa/realtek/rtl8366-core.c b/drivers/net/dsa/realtek/rtl8366-core.c index dc5f75be3017..82e267b8fddb 100644 --- a/drivers/net/dsa/realtek/rtl8366-core.c +++ b/drivers/net/dsa/realtek/rtl8366-core.c @@ -395,17 +395,13 @@ void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *data) { struct realtek_priv *priv = ds->priv; - struct rtl8366_mib_counter *mib; int i; if (port >= priv->num_ports) return; - for (i = 0; i < priv->num_mib_counters; i++) { - mib = &priv->mib_counters[i]; - strncpy(data + i * ETH_GSTRING_LEN, - mib->name, ETH_GSTRING_LEN); - } + for (i = 0; i < priv->num_mib_counters; i++) + ethtool_sprintf(&data, "%s", priv->mib_counters[i].name); } EXPORT_SYMBOL_GPL(rtl8366_get_strings); diff --git a/drivers/net/dsa/sja1105/sja1105_clocking.c b/drivers/net/dsa/sja1105/sja1105_clocking.c index e3699f76f6d7..08a3e7b96254 100644 --- a/drivers/net/dsa/sja1105/sja1105_clocking.c +++ b/drivers/net/dsa/sja1105/sja1105_clocking.c @@ -153,14 +153,14 @@ static int sja1105_cgu_mii_tx_clk_config(struct sja1105_private *priv, { const struct sja1105_regs *regs = priv->info->regs; struct sja1105_cgu_mii_ctrl mii_tx_clk; - const int mac_clk_sources[] = { + static const int mac_clk_sources[] = { CLKSRC_MII0_TX_CLK, CLKSRC_MII1_TX_CLK, CLKSRC_MII2_TX_CLK, CLKSRC_MII3_TX_CLK, CLKSRC_MII4_TX_CLK, }; - const int phy_clk_sources[] = { + static const int phy_clk_sources[] = { CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2, @@ -194,7 +194,7 @@ sja1105_cgu_mii_rx_clk_config(struct sja1105_private *priv, int port) const struct sja1105_regs *regs = priv->info->regs; struct sja1105_cgu_mii_ctrl mii_rx_clk; u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0}; - const int clk_sources[] = { + static const int clk_sources[] = { CLKSRC_MII0_RX_CLK, CLKSRC_MII1_RX_CLK, CLKSRC_MII2_RX_CLK, @@ -221,7 +221,7 @@ sja1105_cgu_mii_ext_tx_clk_config(struct sja1105_private *priv, int port) const struct sja1105_regs *regs = priv->info->regs; struct sja1105_cgu_mii_ctrl mii_ext_tx_clk; u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0}; - const int clk_sources[] = { + static const int clk_sources[] = { CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2, @@ -248,7 +248,7 @@ sja1105_cgu_mii_ext_rx_clk_config(struct sja1105_private *priv, int port) const struct sja1105_regs *regs = priv->info->regs; struct sja1105_cgu_mii_ctrl mii_ext_rx_clk; u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0}; - const int clk_sources[] = { + static const int clk_sources[] = { CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2, @@ -349,8 +349,13 @@ static int sja1105_cgu_rgmii_tx_clk_config(struct sja1105_private *priv, if (speed == priv->info->port_speed[SJA1105_SPEED_1000MBPS]) { clksrc = CLKSRC_PLL0; } else { - int clk_sources[] = {CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2, - CLKSRC_IDIV3, CLKSRC_IDIV4}; + static const int clk_sources[] = { + CLKSRC_IDIV0, + CLKSRC_IDIV1, + CLKSRC_IDIV2, + CLKSRC_IDIV3, + CLKSRC_IDIV4, + }; clksrc = clk_sources[port]; } @@ -638,7 +643,7 @@ static int sja1105_cgu_rmii_ref_clk_config(struct sja1105_private *priv, const struct sja1105_regs *regs = priv->info->regs; struct sja1105_cgu_mii_ctrl ref_clk; u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0}; - const int clk_sources[] = { + static const int clk_sources[] = { CLKSRC_MII0_TX_CLK, CLKSRC_MII1_TX_CLK, CLKSRC_MII2_TX_CLK, diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 1a367e64bc3b..74cee39d73df 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -2688,7 +2688,7 @@ static int sja1105_mgmt_xmit(struct dsa_switch *ds, int port, int slot, } /* Transfer skb to the host port. */ - dsa_enqueue_skb(skb, dsa_to_port(ds, port)->slave); + dsa_enqueue_skb(skb, dsa_to_port(ds, port)->user); /* Wait until the switch has processed the frame */ do { @@ -3081,7 +3081,7 @@ static int sja1105_port_bridge_flags(struct dsa_switch *ds, int port, * ref_clk pin. So port clocking needs to be initialized early, before * connecting to PHYs is attempted, otherwise they won't respond through MDIO. * Setting correct PHY link speed does not matter now. - * But dsa_slave_phy_setup is called later than sja1105_setup, so the PHY + * But dsa_user_phy_setup is called later than sja1105_setup, so the PHY * bindings are not yet parsed by DSA core. We need to parse early so that we * can populate the xMII mode parameters table. */ diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 4f09e7438f3b..e6f29e4e508c 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -928,7 +928,8 @@ static void vsc73xx_get_strings(struct dsa_switch *ds, int port, u32 stringset, const struct vsc73xx_counter *cnt; struct vsc73xx *vsc = ds->priv; u8 indices[6]; - int i, j; + u8 *buf = data; + int i; u32 val; int ret; @@ -948,10 +949,7 @@ static void vsc73xx_get_strings(struct dsa_switch *ds, int port, u32 stringset, indices[5] = ((val >> 26) & 0x1f); /* TX counter 2 */ /* The first counters is the RX octets */ - j = 0; - strncpy(data + j * ETH_GSTRING_LEN, - "RxEtherStatsOctets", ETH_GSTRING_LEN); - j++; + ethtool_sprintf(&buf, "RxEtherStatsOctets"); /* Each port supports recording 3 RX counters and 3 TX counters, * figure out what counters we use in this set-up and return the @@ -961,23 +959,16 @@ static void vsc73xx_get_strings(struct dsa_switch *ds, int port, u32 stringset, */ for (i = 0; i < 3; i++) { cnt = vsc73xx_find_counter(vsc, indices[i], false); - if (cnt) - strncpy(data + j * ETH_GSTRING_LEN, - cnt->name, ETH_GSTRING_LEN); - j++; + ethtool_sprintf(&buf, "%s", cnt ? cnt->name : ""); } /* TX stats begins with the number of TX octets */ - strncpy(data + j * ETH_GSTRING_LEN, - "TxEtherStatsOctets", ETH_GSTRING_LEN); - j++; + ethtool_sprintf(&buf, "TxEtherStatsOctets"); for (i = 3; i < 6; i++) { cnt = vsc73xx_find_counter(vsc, indices[i], true); - if (cnt) - strncpy(data + j * ETH_GSTRING_LEN, - cnt->name, ETH_GSTRING_LEN); - j++; + ethtool_sprintf(&buf, "%s", cnt ? cnt->name : ""); + } } @@ -1037,6 +1028,31 @@ static int vsc73xx_get_max_mtu(struct dsa_switch *ds, int port) return 9600 - ETH_HLEN - ETH_FCS_LEN; } +static void vsc73xx_phylink_get_caps(struct dsa_switch *dsa, int port, + struct phylink_config *config) +{ + unsigned long *interfaces = config->supported_interfaces; + + if (port == 5) + return; + + if (port == CPU_PORT) { + __set_bit(PHY_INTERFACE_MODE_MII, interfaces); + __set_bit(PHY_INTERFACE_MODE_REVMII, interfaces); + __set_bit(PHY_INTERFACE_MODE_GMII, interfaces); + __set_bit(PHY_INTERFACE_MODE_RGMII, interfaces); + } + + if (port <= 4) { + /* Internal PHYs */ + __set_bit(PHY_INTERFACE_MODE_INTERNAL, interfaces); + /* phylib default */ + __set_bit(PHY_INTERFACE_MODE_GMII, interfaces); + } + + config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 | MAC_1000; +} + static const struct dsa_switch_ops vsc73xx_ds_ops = { .get_tag_protocol = vsc73xx_get_tag_protocol, .setup = vsc73xx_setup, @@ -1050,6 +1066,7 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = { .port_disable = vsc73xx_port_disable, .port_change_mtu = vsc73xx_change_mtu, .port_max_mtu = vsc73xx_get_max_mtu, + .phylink_get_caps = vsc73xx_phylink_get_caps, }; static int vsc73xx_gpio_get(struct gpio_chip *chip, unsigned int offset) diff --git a/drivers/net/dsa/xrs700x/xrs700x.c b/drivers/net/dsa/xrs700x/xrs700x.c index 753fef757f11..96db032b478f 100644 --- a/drivers/net/dsa/xrs700x/xrs700x.c +++ b/drivers/net/dsa/xrs700x/xrs700x.c @@ -548,12 +548,13 @@ static void xrs700x_bridge_leave(struct dsa_switch *ds, int port, } static int xrs700x_hsr_join(struct dsa_switch *ds, int port, - struct net_device *hsr) + struct net_device *hsr, + struct netlink_ext_ack *extack) { unsigned int val = XRS_HSR_CFG_HSR_PRP; struct dsa_port *partner = NULL, *dp; struct xrs700x *priv = ds->priv; - struct net_device *slave; + struct net_device *user; int ret, i, hsr_pair[2]; enum hsr_version ver; bool fwd = false; @@ -562,16 +563,21 @@ static int xrs700x_hsr_join(struct dsa_switch *ds, int port, if (ret) return ret; - /* Only ports 1 and 2 can be HSR/PRP redundant ports. */ - if (port != 1 && port != 2) + if (port != 1 && port != 2) { + NL_SET_ERR_MSG_MOD(extack, + "Only ports 1 and 2 can offload HSR/PRP"); return -EOPNOTSUPP; + } - if (ver == HSR_V1) + if (ver == HSR_V1) { val |= XRS_HSR_CFG_HSR; - else if (ver == PRP_V1) + } else if (ver == PRP_V1) { val |= XRS_HSR_CFG_PRP; - else + } else { + NL_SET_ERR_MSG_MOD(extack, + "Only HSR v1 and PRP v1 can be offloaded"); return -EOPNOTSUPP; + } dsa_hsr_foreach_port(dp, ds, hsr) { if (dp->index != port) { @@ -632,8 +638,8 @@ static int xrs700x_hsr_join(struct dsa_switch *ds, int port, hsr_pair[0] = port; hsr_pair[1] = partner->index; for (i = 0; i < ARRAY_SIZE(hsr_pair); i++) { - slave = dsa_to_port(ds, hsr_pair[i])->slave; - slave->features |= XRS7000X_SUPPORTED_HSR_FEATURES; + user = dsa_to_port(ds, hsr_pair[i])->user; + user->features |= XRS7000X_SUPPORTED_HSR_FEATURES; } return 0; @@ -644,7 +650,7 @@ static int xrs700x_hsr_leave(struct dsa_switch *ds, int port, { struct dsa_port *partner = NULL, *dp; struct xrs700x *priv = ds->priv; - struct net_device *slave; + struct net_device *user; int i, hsr_pair[2]; unsigned int val; @@ -686,8 +692,8 @@ static int xrs700x_hsr_leave(struct dsa_switch *ds, int port, hsr_pair[0] = port; hsr_pair[1] = partner->index; for (i = 0; i < ARRAY_SIZE(hsr_pair); i++) { - slave = dsa_to_port(ds, hsr_pair[i])->slave; - slave->features &= ~XRS7000X_SUPPORTED_HSR_FEATURES; + user = dsa_to_port(ds, hsr_pair[i])->user; + user->features &= ~XRS7000X_SUPPORTED_HSR_FEATURES; } return 0; |