diff options
Diffstat (limited to 'drivers/net/dsa')
24 files changed, 578 insertions, 311 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index cadee5505c29..4a52ccbe393f 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -621,8 +621,6 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) goto err_of_node_put; } - priv->master_mii_dn = dn; - priv->user_mii_bus = mdiobus_alloc(); if (!priv->user_mii_bus) { err = -ENOMEM; @@ -635,7 +633,6 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) priv->user_mii_bus->write = bcm_sf2_sw_mdio_write; snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "sf2-%d", index++); - 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 @@ -683,9 +680,11 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) } err = mdiobus_register(priv->user_mii_bus); - if (err && dn) + if (err) goto err_free_user_mii_bus; + of_node_put(dn); + return 0; err_free_user_mii_bus: diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h index 424f896b5a6f..f95f4880b69e 100644 --- a/drivers/net/dsa/bcm_sf2.h +++ b/drivers/net/dsa/bcm_sf2.h @@ -107,7 +107,6 @@ struct bcm_sf2_priv { /* Master and slave MDIO bus controller */ unsigned int indir_phy_mask; - struct device_node *master_mii_dn; struct mii_bus *user_mii_bus; struct mii_bus *master_mii_bus; diff --git a/drivers/net/dsa/dsa_loop_bdinfo.c b/drivers/net/dsa/dsa_loop_bdinfo.c index 237066d30704..14ca42491512 100644 --- a/drivers/net/dsa/dsa_loop_bdinfo.c +++ b/drivers/net/dsa/dsa_loop_bdinfo.c @@ -32,4 +32,5 @@ static int __init dsa_loop_bdinfo_init(void) } arch_initcall(dsa_loop_bdinfo_init) +MODULE_DESCRIPTION("DSA mock-up switch driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 9c185c9f0963..de48b194048f 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -505,27 +505,34 @@ static int gswip_mdio_rd(struct mii_bus *bus, int addr, int reg) return gswip_mdio_r(priv, GSWIP_MDIO_READ); } -static int gswip_mdio(struct gswip_priv *priv, struct device_node *mdio_np) +static int gswip_mdio(struct gswip_priv *priv) { - struct dsa_switch *ds = priv->ds; - int err; + struct device_node *mdio_np, *switch_np = priv->dev->of_node; + struct device *dev = priv->dev; + struct mii_bus *bus; + int err = 0; - ds->user_mii_bus = mdiobus_alloc(); - if (!ds->user_mii_bus) - return -ENOMEM; + mdio_np = of_get_compatible_child(switch_np, "lantiq,xrx200-mdio"); + if (!of_device_is_available(mdio_np)) + goto out_put_node; - 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->user_mii_bus->parent = priv->dev; - ds->user_mii_bus->phy_mask = ~ds->phys_mii_mask; + bus = devm_mdiobus_alloc(dev); + if (!bus) { + err = -ENOMEM; + goto out_put_node; + } - err = of_mdiobus_register(ds->user_mii_bus, mdio_np); - if (err) - mdiobus_free(ds->user_mii_bus); + bus->priv = priv; + bus->read = gswip_mdio_rd; + bus->write = gswip_mdio_wr; + bus->name = "lantiq,xrx200-mdio"; + snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(priv->dev)); + bus->parent = priv->dev; + + err = devm_of_mdiobus_register(dev, bus, mdio_np); + +out_put_node: + of_node_put(mdio_np); return err; } @@ -1759,7 +1766,7 @@ static void gswip_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < ARRAY_SIZE(gswip_rmon_cnt); i++) - ethtool_sprintf(&data, "%s", gswip_rmon_cnt[i].name); + ethtool_puts(&data, gswip_rmon_cnt[i].name); } static u32 gswip_bcm_ram_entry_read(struct gswip_priv *priv, u32 table, @@ -2094,9 +2101,9 @@ remove_gphy: static int gswip_probe(struct platform_device *pdev) { - struct gswip_priv *priv; - struct device_node *np, *mdio_np, *gphy_fw_np; + struct device_node *np, *gphy_fw_np; struct device *dev = &pdev->dev; + struct gswip_priv *priv; int err; int i; u32 version; @@ -2163,19 +2170,16 @@ static int gswip_probe(struct platform_device *pdev) } /* bring up the mdio bus */ - mdio_np = of_get_compatible_child(dev->of_node, "lantiq,xrx200-mdio"); - if (mdio_np) { - err = gswip_mdio(priv, mdio_np); - if (err) { - dev_err(dev, "mdio probe failed\n"); - goto put_mdio_node; - } + err = gswip_mdio(priv); + if (err) { + dev_err(dev, "mdio probe failed\n"); + goto gphy_fw_remove; } err = dsa_register_switch(priv->ds); if (err) { dev_err(dev, "dsa switch register failed: %i\n", err); - goto mdio_bus; + goto gphy_fw_remove; } if (!dsa_is_cpu_port(priv->ds, priv->hw_info->cpu_port)) { dev_err(dev, "wrong CPU port defined, HW only supports port: %i", @@ -2194,13 +2198,7 @@ static int gswip_probe(struct platform_device *pdev) disable_switch: gswip_mdio_mask(priv, GSWIP_MDIO_GLOB_ENABLE, 0, GSWIP_MDIO_GLOB); dsa_unregister_switch(priv->ds); -mdio_bus: - if (mdio_np) { - mdiobus_unregister(priv->ds->user_mii_bus); - mdiobus_free(priv->ds->user_mii_bus); - } -put_mdio_node: - of_node_put(mdio_np); +gphy_fw_remove: for (i = 0; i < priv->num_gphy_fw; i++) gswip_gphy_fw_remove(priv, &priv->gphy_fw[i]); return err; @@ -2219,12 +2217,6 @@ static void gswip_remove(struct platform_device *pdev) dsa_unregister_switch(priv->ds); - 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++) gswip_gphy_fw_remove(priv, &priv->gphy_fw[i]); } diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h index 4cea811e73ac..1a5225264e6a 100644 --- a/drivers/net/dsa/microchip/ksz8.h +++ b/drivers/net/dsa/microchip/ksz8.h @@ -56,5 +56,9 @@ int ksz8_reset_switch(struct ksz_device *dev); int ksz8_switch_init(struct ksz_device *dev); void ksz8_switch_exit(struct ksz_device *dev); int ksz8_change_mtu(struct ksz_device *dev, int port, int mtu); +void ksz8_phylink_mac_link_up(struct ksz_device *dev, int port, + unsigned int mode, phy_interface_t interface, + struct phy_device *phydev, int speed, int duplex, + bool tx_pause, bool rx_pause); #endif diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 4bf4d67557dc..c3da97abce20 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -49,9 +49,9 @@ static int ksz8_ind_write8(struct ksz_device *dev, u8 table, u16 addr, u8 data) mutex_lock(&dev->alu_mutex); ctrl_addr = IND_ACC_TABLE(table) | addr; - ret = ksz_write8(dev, regs[REG_IND_BYTE], data); + ret = ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); if (!ret) - ret = ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + ret = ksz_write8(dev, regs[REG_IND_BYTE], data); mutex_unlock(&dev->alu_mutex); @@ -1358,6 +1358,9 @@ static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port) { struct ksz_port *p = &dev->ports[port]; + if (!ksz_is_ksz87xx(dev)) + return; + if (!p->interface && dev->compat_interface) { dev_warn(dev->dev, "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. " @@ -1391,18 +1394,29 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port) /* enable 802.1p priority */ ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true); - if (cpu_port) { - if (!ksz_is_ksz88x3(dev)) - ksz8795_cpu_interface_select(dev, port); - + if (cpu_port) member = dsa_user_ports(ds); - } else { + else member = BIT(dsa_upstream_port(ds, port)); - } ksz8_cfg_port_member(dev, port, member); } +static void ksz88x3_config_rmii_clk(struct ksz_device *dev) +{ + struct dsa_port *cpu_dp = dsa_to_port(dev->ds, dev->cpu_port); + bool rmii_clk_internal; + + if (!ksz_is_ksz88x3(dev)) + return; + + rmii_clk_internal = of_property_read_bool(cpu_dp->dn, + "microchip,rmii-clk-internal"); + + ksz_cfg(dev, KSZ88X3_REG_FVID_AND_HOST_MODE, + KSZ88X3_PORT3_RMII_CLK_INTERNAL, rmii_clk_internal); +} + void ksz8_config_cpu_port(struct dsa_switch *ds) { struct ksz_device *dev = ds->priv; @@ -1419,6 +1433,9 @@ void ksz8_config_cpu_port(struct dsa_switch *ds) ksz8_port_setup(dev, dev->cpu_port, true); + ksz8795_cpu_interface_select(dev, dev->cpu_port); + ksz88x3_config_rmii_clk(dev); + for (i = 0; i < dev->phy_port_cnt; i++) { ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED); } @@ -1439,6 +1456,127 @@ void ksz8_config_cpu_port(struct dsa_switch *ds) } } +/** + * ksz8_phy_port_link_up - Configures ports with integrated PHYs + * @dev: The KSZ device instance. + * @port: The port number to configure. + * @duplex: The desired duplex mode. + * @tx_pause: If true, enables transmit pause. + * @rx_pause: If true, enables receive pause. + * + * Description: + * The function configures flow control settings for a given port based on the + * desired settings and current duplex mode. + * + * According to the KSZ8873 datasheet, the PORT_FORCE_FLOW_CTRL bit in the + * Port Control 2 register (0x1A for Port 1, 0x22 for Port 2, 0x32 for Port 3) + * determines how flow control is handled on the port: + * "1 = will always enable full-duplex flow control on the port, regardless + * of AN result. + * 0 = full-duplex flow control is enabled based on AN result." + * + * This means that the flow control behavior depends on the state of this bit: + * - If PORT_FORCE_FLOW_CTRL is set to 1, the switch will ignore AN results and + * force flow control on the port. + * - If PORT_FORCE_FLOW_CTRL is set to 0, the switch will enable or disable + * flow control based on the AN results. + * + * However, there is a potential limitation in this configuration. It is + * currently not possible to force disable flow control on a port if we still + * advertise pause support. While such a configuration is not currently + * supported by Linux, and may not make practical sense, it's important to be + * aware of this limitation when working with the KSZ8873 and similar devices. + */ +static void ksz8_phy_port_link_up(struct ksz_device *dev, int port, int duplex, + bool tx_pause, bool rx_pause) +{ + const u16 *regs = dev->info->regs; + u8 sctrl = 0; + + /* The KSZ8795 switch differs from the KSZ8873 by supporting + * asymmetric pause control. However, since a single bit is used to + * control both RX and TX pause, we can't enforce asymmetric pause + * control - both TX and RX pause will be either enabled or disabled + * together. + * + * If auto-negotiation is enabled, we usually allow the flow control to + * be determined by the auto-negotiation process based on the + * capabilities of both link partners. However, for KSZ8873, the + * PORT_FORCE_FLOW_CTRL bit may be set by the hardware bootstrap, + * ignoring the auto-negotiation result. Thus, even in auto-negotiation + * mode, we need to ensure that the PORT_FORCE_FLOW_CTRL bit is + * properly cleared. + * + * In the absence of pause auto-negotiation, we will enforce symmetric + * pause control for both variants of switches - KSZ8873 and KSZ8795. + * + * Autoneg Pause Autoneg rx,tx PORT_FORCE_FLOW_CTRL + * 1 1 x 0 + * 0 1 x 0 (flow control probably disabled) + * x 0 1 1 (flow control force enabled) + * 1 0 0 0 (flow control still depends on + * aneg result due to hardware) + * 0 0 0 0 (flow control probably disabled) + */ + if (dev->ports[port].manual_flow && tx_pause) + sctrl |= PORT_FORCE_FLOW_CTRL; + + ksz_prmw8(dev, port, regs[P_STP_CTRL], PORT_FORCE_FLOW_CTRL, sctrl); +} + +/** + * ksz8_cpu_port_link_up - Configures the CPU port of the switch. + * @dev: The KSZ device instance. + * @speed: The desired link speed. + * @duplex: The desired duplex mode. + * @tx_pause: If true, enables transmit pause. + * @rx_pause: If true, enables receive pause. + * + * Description: + * The function configures flow control and speed settings for the CPU + * port of the switch based on the desired settings, current duplex mode, and + * speed. + */ +static void ksz8_cpu_port_link_up(struct ksz_device *dev, int speed, int duplex, + bool tx_pause, bool rx_pause) +{ + const u16 *regs = dev->info->regs; + u8 ctrl = 0; + + /* SW_FLOW_CTRL, SW_HALF_DUPLEX, and SW_10_MBIT bits are bootstrappable + * at least on KSZ8873. They can have different values depending on your + * board setup. + */ + if (tx_pause || rx_pause) + ctrl |= SW_FLOW_CTRL; + + if (duplex == DUPLEX_HALF) + ctrl |= SW_HALF_DUPLEX; + + /* This hardware only supports SPEED_10 and SPEED_100. For SPEED_10 + * we need to set the SW_10_MBIT bit. Otherwise, we can leave it 0. + */ + if (speed == SPEED_10) + ctrl |= SW_10_MBIT; + + ksz_rmw8(dev, regs[S_BROADCAST_CTRL], SW_HALF_DUPLEX | SW_FLOW_CTRL | + SW_10_MBIT, ctrl); +} + +void ksz8_phylink_mac_link_up(struct ksz_device *dev, int port, + unsigned int mode, phy_interface_t interface, + struct phy_device *phydev, int speed, int duplex, + bool tx_pause, bool rx_pause) +{ + /* If the port is the CPU port, apply special handling. Only the CPU + * port is configured via global registers. + */ + if (dev->cpu_port == port) + ksz8_cpu_port_link_up(dev, speed, duplex, tx_pause, rx_pause); + else if (dev->info->internal_phy[port]) + ksz8_phy_port_link_up(dev, port, duplex, tx_pause, rx_pause); +} + static int ksz8_handle_global_errata(struct dsa_switch *ds) { struct ksz_device *dev = ds->priv; @@ -1487,8 +1625,6 @@ int ksz8_setup(struct dsa_switch *ds) */ ds->vlan_filtering_is_global = true; - ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_FLOW_CTRL, true); - /* Enable automatic fast aging when link changed detected. */ ksz_cfg(dev, S_LINK_AGING_CTRL, SW_LINK_AUTO_AGING, true); diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index 3c9dae53e4d8..beca974e0171 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -22,6 +22,9 @@ #define KSZ8863_GLOBAL_SOFTWARE_RESET BIT(4) #define KSZ8863_PCS_RESET BIT(0) +#define KSZ88X3_REG_FVID_AND_HOST_MODE 0xC6 +#define KSZ88X3_PORT3_RMII_CLK_INTERNAL BIT(3) + #define REG_SW_CTRL_0 0x02 #define SW_NEW_BACKOFF BIT(7) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index ff4b39601c93..245dfb7a7a31 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -277,6 +277,7 @@ static const struct ksz_dev_ops ksz8_dev_ops = { .mirror_add = ksz8_port_mirror_add, .mirror_del = ksz8_port_mirror_del, .get_caps = ksz8_get_caps, + .phylink_mac_link_up = ksz8_phylink_mac_link_up, .config_cpu_port = ksz8_config_cpu_port, .enable_stp_addr = ksz8_enable_stp_addr, .reset = ksz8_reset_switch, @@ -1672,15 +1673,23 @@ static const struct ksz_chip_data *ksz_lookup_info(unsigned int prod_num) static int ksz_check_device_id(struct ksz_device *dev) { - const struct ksz_chip_data *dt_chip_data; + const struct ksz_chip_data *expected_chip_data; + u32 expected_chip_id; - dt_chip_data = of_device_get_match_data(dev->dev); + if (dev->pdata) { + expected_chip_id = dev->pdata->chip_id; + expected_chip_data = ksz_lookup_info(expected_chip_id); + if (WARN_ON(!expected_chip_data)) + return -ENODEV; + } else { + expected_chip_data = of_device_get_match_data(dev->dev); + expected_chip_id = expected_chip_data->chip_id; + } - /* Check for Device Tree and Chip ID */ - if (dt_chip_data->chip_id != dev->chip_id) { + if (expected_chip_id != dev->chip_id) { dev_err(dev->dev, "Device tree specifies chip %s but found %s, please fix it!\n", - dt_chip_data->dev_name, dev->info->dev_name); + expected_chip_data->dev_name, dev->info->dev_name); return -ENODEV; } @@ -2703,7 +2712,7 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, proto = DSA_TAG_PROTO_KSZ9477; if (is_lan937x(dev)) - proto = DSA_TAG_PROTO_LAN937X_VALUE; + proto = DSA_TAG_PROTO_LAN937X; return proto; } @@ -2974,8 +2983,10 @@ static void ksz_phylink_mac_config(struct dsa_switch *ds, int port, { struct ksz_device *dev = ds->priv; - if (ksz_is_ksz88x3(dev)) + if (ksz_is_ksz88x3(dev)) { + dev->ports[port].manual_flow = !(state->pause & MLO_PAUSE_AN); return; + } /* Internal PHYs */ if (dev->info->internal_phy[port]) @@ -3118,10 +3129,8 @@ static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, { struct ksz_device *dev = ds->priv; - if (dev->dev_ops->phylink_mac_link_up) - dev->dev_ops->phylink_mac_link_up(dev, port, mode, interface, - phydev, speed, duplex, - tx_pause, rx_pause); + dev->dev_ops->phylink_mac_link_up(dev, port, mode, interface, phydev, + speed, duplex, tx_pause, rx_pause); } static int ksz_switch_detect(struct ksz_device *dev) @@ -4163,9 +4172,6 @@ int ksz_switch_register(struct ksz_device *dev) int ret; int i; - if (dev->pdata) - dev->chip_id = dev->pdata->chip_id; - dev->reset_gpio = devm_gpiod_get_optional(dev->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(dev->reset_gpio)) diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index b7e8a403a132..15612101a155 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -14,6 +14,7 @@ #include <linux/regmap.h> #include <net/dsa.h> #include <linux/irq.h> +#include <linux/platform_data/microchip-ksz.h> #include "ksz_ptp.h" @@ -134,6 +135,7 @@ struct ksz_port { ktime_t tstamp_msg; struct completion tstamp_msg_comp; #endif + bool manual_flow; }; struct ksz_device { @@ -202,25 +204,6 @@ enum ksz_model { LAN9374, }; -enum ksz_chip_id { - KSZ8563_CHIP_ID = 0x8563, - KSZ8795_CHIP_ID = 0x8795, - KSZ8794_CHIP_ID = 0x8794, - KSZ8765_CHIP_ID = 0x8765, - KSZ8830_CHIP_ID = 0x8830, - KSZ9477_CHIP_ID = 0x00947700, - KSZ9896_CHIP_ID = 0x00989600, - KSZ9897_CHIP_ID = 0x00989700, - KSZ9893_CHIP_ID = 0x00989300, - KSZ9563_CHIP_ID = 0x00956300, - KSZ9567_CHIP_ID = 0x00956700, - LAN9370_CHIP_ID = 0x00937000, - LAN9371_CHIP_ID = 0x00937100, - LAN9372_CHIP_ID = 0x00937200, - LAN9373_CHIP_ID = 0x00937300, - LAN9374_CHIP_ID = 0x00937400, -}; - enum ksz_regs { REG_SW_MAC_ADDR, REG_IND_CTRL_0, diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index d27c6b70a2f6..3c1f657593a8 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -836,7 +836,7 @@ mt7530_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < ARRAY_SIZE(mt7530_mib); i++) - ethtool_sprintf(&data, "%s", mt7530_mib[i].name); + ethtool_puts(&data, mt7530_mib[i].name); } static void @@ -2838,8 +2838,7 @@ static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port, /* MT753x MAC works in 1G full duplex mode for all up-clocked * variants. */ - if (interface == PHY_INTERFACE_MODE_INTERNAL || - interface == PHY_INTERFACE_MODE_TRGMII || + if (interface == PHY_INTERFACE_MODE_TRGMII || (phy_interface_mode_is_8023z(interface))) { speed = SPEED_1000; duplex = DUPLEX_FULL; diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 07a22c74fe81..614cabb5c1b0 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -943,76 +943,94 @@ error: static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port) { + int err; + if (!chip->info->ops->stats_snapshot) return -EOPNOTSUPP; - return chip->info->ops->stats_snapshot(chip, port); -} - -static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = { - { "in_good_octets", 8, 0x00, STATS_TYPE_BANK0, }, - { "in_bad_octets", 4, 0x02, STATS_TYPE_BANK0, }, - { "in_unicast", 4, 0x04, STATS_TYPE_BANK0, }, - { "in_broadcasts", 4, 0x06, STATS_TYPE_BANK0, }, - { "in_multicasts", 4, 0x07, STATS_TYPE_BANK0, }, - { "in_pause", 4, 0x16, STATS_TYPE_BANK0, }, - { "in_undersize", 4, 0x18, STATS_TYPE_BANK0, }, - { "in_fragments", 4, 0x19, STATS_TYPE_BANK0, }, - { "in_oversize", 4, 0x1a, STATS_TYPE_BANK0, }, - { "in_jabber", 4, 0x1b, STATS_TYPE_BANK0, }, - { "in_rx_error", 4, 0x1c, STATS_TYPE_BANK0, }, - { "in_fcs_error", 4, 0x1d, STATS_TYPE_BANK0, }, - { "out_octets", 8, 0x0e, STATS_TYPE_BANK0, }, - { "out_unicast", 4, 0x10, STATS_TYPE_BANK0, }, - { "out_broadcasts", 4, 0x13, STATS_TYPE_BANK0, }, - { "out_multicasts", 4, 0x12, STATS_TYPE_BANK0, }, - { "out_pause", 4, 0x15, STATS_TYPE_BANK0, }, - { "excessive", 4, 0x11, STATS_TYPE_BANK0, }, - { "collisions", 4, 0x1e, STATS_TYPE_BANK0, }, - { "deferred", 4, 0x05, STATS_TYPE_BANK0, }, - { "single", 4, 0x14, STATS_TYPE_BANK0, }, - { "multiple", 4, 0x17, STATS_TYPE_BANK0, }, - { "out_fcs_error", 4, 0x03, STATS_TYPE_BANK0, }, - { "late", 4, 0x1f, STATS_TYPE_BANK0, }, - { "hist_64bytes", 4, 0x08, STATS_TYPE_BANK0, }, - { "hist_65_127bytes", 4, 0x09, STATS_TYPE_BANK0, }, - { "hist_128_255bytes", 4, 0x0a, STATS_TYPE_BANK0, }, - { "hist_256_511bytes", 4, 0x0b, STATS_TYPE_BANK0, }, - { "hist_512_1023bytes", 4, 0x0c, STATS_TYPE_BANK0, }, - { "hist_1024_max_bytes", 4, 0x0d, STATS_TYPE_BANK0, }, - { "sw_in_discards", 4, 0x10, STATS_TYPE_PORT, }, - { "sw_in_filtered", 2, 0x12, STATS_TYPE_PORT, }, - { "sw_out_filtered", 2, 0x13, STATS_TYPE_PORT, }, - { "in_discards", 4, 0x00, STATS_TYPE_BANK1, }, - { "in_filtered", 4, 0x01, STATS_TYPE_BANK1, }, - { "in_accepted", 4, 0x02, STATS_TYPE_BANK1, }, - { "in_bad_accepted", 4, 0x03, STATS_TYPE_BANK1, }, - { "in_good_avb_class_a", 4, 0x04, STATS_TYPE_BANK1, }, - { "in_good_avb_class_b", 4, 0x05, STATS_TYPE_BANK1, }, - { "in_bad_avb_class_a", 4, 0x06, STATS_TYPE_BANK1, }, - { "in_bad_avb_class_b", 4, 0x07, STATS_TYPE_BANK1, }, - { "tcam_counter_0", 4, 0x08, STATS_TYPE_BANK1, }, - { "tcam_counter_1", 4, 0x09, STATS_TYPE_BANK1, }, - { "tcam_counter_2", 4, 0x0a, STATS_TYPE_BANK1, }, - { "tcam_counter_3", 4, 0x0b, STATS_TYPE_BANK1, }, - { "in_da_unknown", 4, 0x0e, STATS_TYPE_BANK1, }, - { "in_management", 4, 0x0f, STATS_TYPE_BANK1, }, - { "out_queue_0", 4, 0x10, STATS_TYPE_BANK1, }, - { "out_queue_1", 4, 0x11, STATS_TYPE_BANK1, }, - { "out_queue_2", 4, 0x12, STATS_TYPE_BANK1, }, - { "out_queue_3", 4, 0x13, STATS_TYPE_BANK1, }, - { "out_queue_4", 4, 0x14, STATS_TYPE_BANK1, }, - { "out_queue_5", 4, 0x15, STATS_TYPE_BANK1, }, - { "out_queue_6", 4, 0x16, STATS_TYPE_BANK1, }, - { "out_queue_7", 4, 0x17, STATS_TYPE_BANK1, }, - { "out_cut_through", 4, 0x18, STATS_TYPE_BANK1, }, - { "out_octets_a", 4, 0x1a, STATS_TYPE_BANK1, }, - { "out_octets_b", 4, 0x1b, STATS_TYPE_BANK1, }, - { "out_management", 4, 0x1f, STATS_TYPE_BANK1, }, + mv88e6xxx_reg_lock(chip); + err = chip->info->ops->stats_snapshot(chip, port); + mv88e6xxx_reg_unlock(chip); + + return err; +} + +#define MV88E6XXX_HW_STAT_MAPPER(_fn) \ + _fn(in_good_octets, 8, 0x00, STATS_TYPE_BANK0), \ + _fn(in_bad_octets, 4, 0x02, STATS_TYPE_BANK0), \ + _fn(in_unicast, 4, 0x04, STATS_TYPE_BANK0), \ + _fn(in_broadcasts, 4, 0x06, STATS_TYPE_BANK0), \ + _fn(in_multicasts, 4, 0x07, STATS_TYPE_BANK0), \ + _fn(in_pause, 4, 0x16, STATS_TYPE_BANK0), \ + _fn(in_undersize, 4, 0x18, STATS_TYPE_BANK0), \ + _fn(in_fragments, 4, 0x19, STATS_TYPE_BANK0), \ + _fn(in_oversize, 4, 0x1a, STATS_TYPE_BANK0), \ + _fn(in_jabber, 4, 0x1b, STATS_TYPE_BANK0), \ + _fn(in_rx_error, 4, 0x1c, STATS_TYPE_BANK0), \ + _fn(in_fcs_error, 4, 0x1d, STATS_TYPE_BANK0), \ + _fn(out_octets, 8, 0x0e, STATS_TYPE_BANK0), \ + _fn(out_unicast, 4, 0x10, STATS_TYPE_BANK0), \ + _fn(out_broadcasts, 4, 0x13, STATS_TYPE_BANK0), \ + _fn(out_multicasts, 4, 0x12, STATS_TYPE_BANK0), \ + _fn(out_pause, 4, 0x15, STATS_TYPE_BANK0), \ + _fn(excessive, 4, 0x11, STATS_TYPE_BANK0), \ + _fn(collisions, 4, 0x1e, STATS_TYPE_BANK0), \ + _fn(deferred, 4, 0x05, STATS_TYPE_BANK0), \ + _fn(single, 4, 0x14, STATS_TYPE_BANK0), \ + _fn(multiple, 4, 0x17, STATS_TYPE_BANK0), \ + _fn(out_fcs_error, 4, 0x03, STATS_TYPE_BANK0), \ + _fn(late, 4, 0x1f, STATS_TYPE_BANK0), \ + _fn(hist_64bytes, 4, 0x08, STATS_TYPE_BANK0), \ + _fn(hist_65_127bytes, 4, 0x09, STATS_TYPE_BANK0), \ + _fn(hist_128_255bytes, 4, 0x0a, STATS_TYPE_BANK0), \ + _fn(hist_256_511bytes, 4, 0x0b, STATS_TYPE_BANK0), \ + _fn(hist_512_1023bytes, 4, 0x0c, STATS_TYPE_BANK0), \ + _fn(hist_1024_max_bytes, 4, 0x0d, STATS_TYPE_BANK0), \ + _fn(sw_in_discards, 4, 0x10, STATS_TYPE_PORT), \ + _fn(sw_in_filtered, 2, 0x12, STATS_TYPE_PORT), \ + _fn(sw_out_filtered, 2, 0x13, STATS_TYPE_PORT), \ + _fn(in_discards, 4, 0x00, STATS_TYPE_BANK1), \ + _fn(in_filtered, 4, 0x01, STATS_TYPE_BANK1), \ + _fn(in_accepted, 4, 0x02, STATS_TYPE_BANK1), \ + _fn(in_bad_accepted, 4, 0x03, STATS_TYPE_BANK1), \ + _fn(in_good_avb_class_a, 4, 0x04, STATS_TYPE_BANK1), \ + _fn(in_good_avb_class_b, 4, 0x05, STATS_TYPE_BANK1), \ + _fn(in_bad_avb_class_a, 4, 0x06, STATS_TYPE_BANK1), \ + _fn(in_bad_avb_class_b, 4, 0x07, STATS_TYPE_BANK1), \ + _fn(tcam_counter_0, 4, 0x08, STATS_TYPE_BANK1), \ + _fn(tcam_counter_1, 4, 0x09, STATS_TYPE_BANK1), \ + _fn(tcam_counter_2, 4, 0x0a, STATS_TYPE_BANK1), \ + _fn(tcam_counter_3, 4, 0x0b, STATS_TYPE_BANK1), \ + _fn(in_da_unknown, 4, 0x0e, STATS_TYPE_BANK1), \ + _fn(in_management, 4, 0x0f, STATS_TYPE_BANK1), \ + _fn(out_queue_0, 4, 0x10, STATS_TYPE_BANK1), \ + _fn(out_queue_1, 4, 0x11, STATS_TYPE_BANK1), \ + _fn(out_queue_2, 4, 0x12, STATS_TYPE_BANK1), \ + _fn(out_queue_3, 4, 0x13, STATS_TYPE_BANK1), \ + _fn(out_queue_4, 4, 0x14, STATS_TYPE_BANK1), \ + _fn(out_queue_5, 4, 0x15, STATS_TYPE_BANK1), \ + _fn(out_queue_6, 4, 0x16, STATS_TYPE_BANK1), \ + _fn(out_queue_7, 4, 0x17, STATS_TYPE_BANK1), \ + _fn(out_cut_through, 4, 0x18, STATS_TYPE_BANK1), \ + _fn(out_octets_a, 4, 0x1a, STATS_TYPE_BANK1), \ + _fn(out_octets_b, 4, 0x1b, STATS_TYPE_BANK1), \ + _fn(out_management, 4, 0x1f, STATS_TYPE_BANK1), \ + /* */ + +#define MV88E6XXX_HW_STAT_ENTRY(_string, _size, _reg, _type) \ + { #_string, _size, _reg, _type } +static const struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = { + MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENTRY) +}; + +#define MV88E6XXX_HW_STAT_ENUM(_string, _size, _reg, _type) \ + MV88E6XXX_HW_STAT_ID_ ## _string +enum mv88e6xxx_hw_stat_id { + MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENUM) }; static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, - struct mv88e6xxx_hw_stat *s, + const struct mv88e6xxx_hw_stat *s, int port, u16 bank1_select, u16 histogram) { @@ -1055,7 +1073,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip, static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip, uint8_t *data, int types) { - struct mv88e6xxx_hw_stat *stat; + const struct mv88e6xxx_hw_stat *stat; int i, j; for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) { @@ -1136,7 +1154,7 @@ static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port, static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip, int types) { - struct mv88e6xxx_hw_stat *stat; + const struct mv88e6xxx_hw_stat *stat; int i, j; for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) { @@ -1195,59 +1213,82 @@ out: return count; } -static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data, int types, - u16 bank1_select, u16 histogram) +static size_t mv88e6095_stats_get_stat(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data) { - struct mv88e6xxx_hw_stat *stat; - int i, j; + if (!(stat->type & (STATS_TYPE_BANK0 | STATS_TYPE_PORT))) + return 0; - for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) { - stat = &mv88e6xxx_hw_stats[i]; - if (stat->type & types) { - mv88e6xxx_reg_lock(chip); - data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port, - bank1_select, - histogram); - mv88e6xxx_reg_unlock(chip); + *data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, 0, + MV88E6XXX_G1_STATS_OP_HIST_RX); + return 1; +} - j++; - } - } - return j; +static size_t mv88e6250_stats_get_stat(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data) +{ + if (!(stat->type & STATS_TYPE_BANK0)) + return 0; + + *data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, 0, + MV88E6XXX_G1_STATS_OP_HIST_RX); + return 1; } -static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +static size_t mv88e6320_stats_get_stat(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data) { - return mv88e6xxx_stats_get_stats(chip, port, data, - STATS_TYPE_BANK0 | STATS_TYPE_PORT, - 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX); + if (!(stat->type & (STATS_TYPE_BANK0 | STATS_TYPE_BANK1))) + return 0; + + *data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, + MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9, + MV88E6XXX_G1_STATS_OP_HIST_RX); + return 1; } -static int mv88e6250_stats_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +static size_t mv88e6390_stats_get_stat(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data) { - return mv88e6xxx_stats_get_stats(chip, port, data, STATS_TYPE_BANK0, - 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX); + if (!(stat->type & (STATS_TYPE_BANK0 | STATS_TYPE_BANK1))) + return 0; + + *data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, + MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10, + 0); + return 1; } -static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +static size_t mv88e6xxx_stats_get_stat(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data) { - return mv88e6xxx_stats_get_stats(chip, port, data, - STATS_TYPE_BANK0 | STATS_TYPE_BANK1, - MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9, - MV88E6XXX_G1_STATS_OP_HIST_RX_TX); + int ret = 0; + + if (chip->info->ops->stats_get_stat) { + mv88e6xxx_reg_lock(chip); + ret = chip->info->ops->stats_get_stat(chip, port, stat, data); + mv88e6xxx_reg_unlock(chip); + } + + return ret; } -static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +static size_t mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port, + uint64_t *data) { - return mv88e6xxx_stats_get_stats(chip, port, data, - STATS_TYPE_BANK0 | STATS_TYPE_BANK1, - MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10, - 0); + const struct mv88e6xxx_hw_stat *stat; + size_t i, j; + + for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) { + stat = &mv88e6xxx_hw_stats[i]; + j += mv88e6xxx_stats_get_stat(chip, port, stat, &data[j]); + } + return j; } static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port, @@ -1263,10 +1304,9 @@ static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port, static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port, uint64_t *data) { - int count = 0; + size_t count; - if (chip->info->ops->stats_get_stats) - count = chip->info->ops->stats_get_stats(chip, port, data); + count = mv88e6xxx_stats_get_stats(chip, port, data); mv88e6xxx_reg_lock(chip); if (chip->info->ops->serdes_get_stats) { @@ -1284,16 +1324,90 @@ static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port, struct mv88e6xxx_chip *chip = ds->priv; int ret; - mv88e6xxx_reg_lock(chip); + ret = mv88e6xxx_stats_snapshot(chip, port); + if (ret < 0) + return; + + mv88e6xxx_get_stats(chip, port, data); +} + +static void mv88e6xxx_get_eth_mac_stats(struct dsa_switch *ds, int port, + struct ethtool_eth_mac_stats *mac_stats) +{ + struct mv88e6xxx_chip *chip = ds->priv; + int ret; ret = mv88e6xxx_stats_snapshot(chip, port); - mv88e6xxx_reg_unlock(chip); + if (ret < 0) + return; + +#define MV88E6XXX_ETH_MAC_STAT_MAP(_id, _member) \ + mv88e6xxx_stats_get_stat(chip, port, \ + &mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \ + &mac_stats->stats._member) + + MV88E6XXX_ETH_MAC_STAT_MAP(out_unicast, FramesTransmittedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(single, SingleCollisionFrames); + MV88E6XXX_ETH_MAC_STAT_MAP(multiple, MultipleCollisionFrames); + MV88E6XXX_ETH_MAC_STAT_MAP(in_unicast, FramesReceivedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(in_fcs_error, FrameCheckSequenceErrors); + MV88E6XXX_ETH_MAC_STAT_MAP(out_octets, OctetsTransmittedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(deferred, FramesWithDeferredXmissions); + MV88E6XXX_ETH_MAC_STAT_MAP(late, LateCollisions); + MV88E6XXX_ETH_MAC_STAT_MAP(in_good_octets, OctetsReceivedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(out_multicasts, MulticastFramesXmittedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(out_broadcasts, BroadcastFramesXmittedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(excessive, FramesWithExcessiveDeferral); + MV88E6XXX_ETH_MAC_STAT_MAP(in_multicasts, MulticastFramesReceivedOK); + MV88E6XXX_ETH_MAC_STAT_MAP(in_broadcasts, BroadcastFramesReceivedOK); + +#undef MV88E6XXX_ETH_MAC_STAT_MAP + + mac_stats->stats.FramesTransmittedOK += mac_stats->stats.MulticastFramesXmittedOK; + mac_stats->stats.FramesTransmittedOK += mac_stats->stats.BroadcastFramesXmittedOK; + mac_stats->stats.FramesReceivedOK += mac_stats->stats.MulticastFramesReceivedOK; + mac_stats->stats.FramesReceivedOK += mac_stats->stats.BroadcastFramesReceivedOK; +} + +static void mv88e6xxx_get_rmon_stats(struct dsa_switch *ds, int port, + struct ethtool_rmon_stats *rmon_stats, + const struct ethtool_rmon_hist_range **ranges) +{ + static const struct ethtool_rmon_hist_range rmon_ranges[] = { + { 64, 64 }, + { 65, 127 }, + { 128, 255 }, + { 256, 511 }, + { 512, 1023 }, + { 1024, 65535 }, + {} + }; + struct mv88e6xxx_chip *chip = ds->priv; + int ret; + ret = mv88e6xxx_stats_snapshot(chip, port); if (ret < 0) return; - mv88e6xxx_get_stats(chip, port, data); +#define MV88E6XXX_RMON_STAT_MAP(_id, _member) \ + mv88e6xxx_stats_get_stat(chip, port, \ + &mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \ + &rmon_stats->stats._member) + + MV88E6XXX_RMON_STAT_MAP(in_undersize, undersize_pkts); + MV88E6XXX_RMON_STAT_MAP(in_oversize, oversize_pkts); + MV88E6XXX_RMON_STAT_MAP(in_fragments, fragments); + MV88E6XXX_RMON_STAT_MAP(in_jabber, jabbers); + MV88E6XXX_RMON_STAT_MAP(hist_64bytes, hist[0]); + MV88E6XXX_RMON_STAT_MAP(hist_65_127bytes, hist[1]); + MV88E6XXX_RMON_STAT_MAP(hist_128_255bytes, hist[2]); + MV88E6XXX_RMON_STAT_MAP(hist_256_511bytes, hist[3]); + MV88E6XXX_RMON_STAT_MAP(hist_512_1023bytes, hist[4]); + MV88E6XXX_RMON_STAT_MAP(hist_1024_max_bytes, hist[5]); +#undef MV88E6XXX_RMON_STAT_MAP + + *ranges = rmon_ranges; } static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port) @@ -3545,7 +3659,7 @@ static int mv88e6xxx_mdio_read_c45(struct mii_bus *bus, int phy, int devad, int err; if (!chip->info->ops->phy_read_c45) - return -EOPNOTSUPP; + return 0xffff; mv88e6xxx_reg_lock(chip); err = chip->info->ops->phy_read_c45(chip, bus, phy, devad, reg, &val); @@ -3987,7 +4101,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4025,7 +4139,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu, .ppu_enable = mv88e6185_g1_ppu_enable, .ppu_disable = mv88e6185_g1_ppu_disable, @@ -4066,7 +4180,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4108,7 +4222,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4151,7 +4265,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4200,7 +4314,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4255,7 +4369,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4293,7 +4407,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4341,7 +4455,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4390,7 +4504,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4441,7 +4555,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4490,7 +4604,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4535,7 +4649,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4584,7 +4698,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4642,7 +4756,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4698,7 +4812,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4757,7 +4871,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -4810,7 +4924,7 @@ static const struct mv88e6xxx_ops mv88e6250_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6250_stats_get_sset_count, .stats_get_strings = mv88e6250_stats_get_strings, - .stats_get_stats = mv88e6250_stats_get_stats, + .stats_get_stat = mv88e6250_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6250_watchdog_ops, @@ -4857,7 +4971,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4916,7 +5030,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6320_stats_get_stats, + .stats_get_stat = mv88e6320_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -4963,7 +5077,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6320_stats_get_stats, + .stats_get_stat = mv88e6320_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -5012,7 +5126,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -5070,7 +5184,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -5116,7 +5230,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -5167,7 +5281,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = { .stats_set_histogram = mv88e6095_g1_stats_set_histogram, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, - .stats_get_stats = mv88e6095_stats_get_stats, + .stats_get_stat = mv88e6095_stats_get_stat, .set_cpu_port = mv88e6095_g1_set_cpu_port, .set_egress_port = mv88e6095_g1_set_egress_port, .watchdog_ops = &mv88e6097_watchdog_ops, @@ -5229,7 +5343,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -5291,7 +5405,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, .set_cpu_port = mv88e6390_g1_set_cpu_port, .set_egress_port = mv88e6390_g1_set_egress_port, .watchdog_ops = &mv88e6390_watchdog_ops, @@ -5353,7 +5467,7 @@ static const struct mv88e6xxx_ops mv88e6393x_ops = { .stats_set_histogram = mv88e6390_g1_stats_set_histogram, .stats_get_sset_count = mv88e6320_stats_get_sset_count, .stats_get_strings = mv88e6320_stats_get_strings, - .stats_get_stats = mv88e6390_stats_get_stats, + .stats_get_stat = mv88e6390_stats_get_stat, /* .set_cpu_port is missing because this family does not support a global * CPU port, only per port CPU port which is set via * .port_set_upstream_port method. @@ -6817,6 +6931,8 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .phylink_mac_link_up = mv88e6xxx_mac_link_up, .get_strings = mv88e6xxx_get_strings, .get_ethtool_stats = mv88e6xxx_get_ethtool_stats, + .get_eth_mac_stats = mv88e6xxx_get_eth_mac_stats, + .get_rmon_stats = mv88e6xxx_get_rmon_stats, .get_sset_count = mv88e6xxx_get_sset_count, .port_max_mtu = mv88e6xxx_get_max_mtu, .port_change_mtu = mv88e6xxx_change_mtu, diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 44383a03ef2f..85eb293381a7 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -318,6 +318,17 @@ struct mv88e6xxx_mst { struct mv88e6xxx_stu_entry stu; }; +#define STATS_TYPE_PORT BIT(0) +#define STATS_TYPE_BANK0 BIT(1) +#define STATS_TYPE_BANK1 BIT(2) + +struct mv88e6xxx_hw_stat { + char string[ETH_GSTRING_LEN]; + size_t size; + int reg; + int type; +}; + struct mv88e6xxx_chip { const struct mv88e6xxx_info *info; @@ -574,8 +585,9 @@ struct mv88e6xxx_ops { /* Return the number of strings describing statistics */ int (*stats_get_sset_count)(struct mv88e6xxx_chip *chip); int (*stats_get_strings)(struct mv88e6xxx_chip *chip, uint8_t *data); - int (*stats_get_stats)(struct mv88e6xxx_chip *chip, int port, - uint64_t *data); + size_t (*stats_get_stat)(struct mv88e6xxx_chip *chip, int port, + const struct mv88e6xxx_hw_stat *stat, + uint64_t *data); int (*set_cpu_port)(struct mv88e6xxx_chip *chip, int port); int (*set_egress_port)(struct mv88e6xxx_chip *chip, enum mv88e6xxx_egress_direction direction, @@ -601,8 +613,8 @@ struct mv88e6xxx_ops { int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port); int (*serdes_get_strings)(struct mv88e6xxx_chip *chip, int port, uint8_t *data); - int (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port, - uint64_t *data); + size_t (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port, + uint64_t *data); /* SERDES registers for ethtool */ int (*serdes_get_regs_len)(struct mv88e6xxx_chip *chip, int port); @@ -727,17 +739,6 @@ struct mv88e6xxx_pcs_ops { }; -#define STATS_TYPE_PORT BIT(0) -#define STATS_TYPE_BANK0 BIT(1) -#define STATS_TYPE_BANK1 BIT(2) - -struct mv88e6xxx_hw_stat { - char string[ETH_GSTRING_LEN]; - size_t size; - int reg; - int type; -}; - static inline bool mv88e6xxx_has_stu(struct mv88e6xxx_chip *chip) { return chip->info->max_sid > 0 && diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c index 174c773b38c2..49444a72ff09 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.c +++ b/drivers/net/dsa/mv88e6xxx/global1.c @@ -462,8 +462,7 @@ int mv88e6390_g1_rmu_disable(struct mv88e6xxx_chip *chip) int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip) { return mv88e6xxx_g1_ctl2_mask(chip, MV88E6390_G1_CTL2_HIST_MODE_MASK, - MV88E6390_G1_CTL2_HIST_MODE_RX | - MV88E6390_G1_CTL2_HIST_MODE_TX); + MV88E6390_G1_CTL2_HIST_MODE_RX); } int mv88e6xxx_g1_set_device_number(struct mv88e6xxx_chip *chip, int index) @@ -491,7 +490,7 @@ int mv88e6095_g1_stats_set_histogram(struct mv88e6xxx_chip *chip) if (err) return err; - val |= MV88E6XXX_G1_STATS_OP_HIST_RX_TX; + val |= MV88E6XXX_G1_STATS_OP_HIST_RX; err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP, val); @@ -506,7 +505,7 @@ int mv88e6xxx_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port) err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP, MV88E6XXX_G1_STATS_OP_BUSY | MV88E6XXX_G1_STATS_OP_CAPTURE_PORT | - MV88E6XXX_G1_STATS_OP_HIST_RX_TX | port); + MV88E6XXX_G1_STATS_OP_HIST_RX | port); if (err) return err; diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c index 3b4b42651fa3..01ea53940786 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.c +++ b/drivers/net/dsa/mv88e6xxx/serdes.c @@ -177,8 +177,8 @@ static uint64_t mv88e6352_serdes_get_stat(struct mv88e6xxx_chip *chip, return val; } -int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, + uint64_t *data) { struct mv88e6xxx_port *mv88e6xxx_port = &chip->ports[port]; struct mv88e6352_serdes_hw_stat *stat; @@ -187,7 +187,7 @@ int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, err = mv88e6352_g2_scratch_port_has_serdes(chip, port); if (err <= 0) - return err; + return 0; BUILD_BUG_ON(ARRAY_SIZE(mv88e6352_serdes_hw_stats) > ARRAY_SIZE(mv88e6xxx_port->serdes_stats)); @@ -429,8 +429,8 @@ static uint64_t mv88e6390_serdes_get_stat(struct mv88e6xxx_chip *chip, int lane, return reg[0] | ((u64)reg[1] << 16) | ((u64)reg[2] << 32); } -int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data) +size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, + uint64_t *data) { struct mv88e6390_serdes_hw_stat *stat; int lane; diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h index aac95cab46e3..ff5c3ab31e15 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.h +++ b/drivers/net/dsa/mv88e6xxx/serdes.h @@ -127,13 +127,13 @@ unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip, int port, uint8_t *data); -int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data); +size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, + uint64_t *data); int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip, int port, uint8_t *data); -int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, - uint64_t *data); +size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, + uint64_t *data); int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index ec57d9d52072..7a864329cb72 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -947,36 +947,49 @@ static int qca8k_mdio_register(struct qca8k_priv *priv) { struct dsa_switch *ds = priv->ds; + struct device *dev = ds->dev; struct device_node *mdio; struct mii_bus *bus; + int err = 0; - bus = devm_mdiobus_alloc(ds->dev); - if (!bus) - return -ENOMEM; + mdio = of_get_child_by_name(dev->of_node, "mdio"); + if (mdio && !of_device_is_available(mdio)) + goto out; + + bus = devm_mdiobus_alloc(dev); + if (!bus) { + err = -ENOMEM; + goto out_put_node; + } + priv->internal_mdio_bus = bus; bus->priv = (void *)priv; snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d.%d", ds->dst->index, ds->index); - bus->parent = ds->dev; - bus->phy_mask = ~ds->phys_mii_mask; - ds->user_mii_bus = bus; + bus->parent = dev; - /* 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)) { + if (mdio) { + /* Check if the device tree declares the port:phy mapping */ 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); + } else { + /* If a mapping can't be found, the legacy mapping is used, + * using qca8k_port_to_phy() + */ + ds->user_mii_bus = bus; + bus->phy_mask = ~ds->phys_mii_mask; + bus->name = "qca8k-legacy user mii"; + bus->read = qca8k_legacy_mdio_read; + bus->write = qca8k_legacy_mdio_write; } - /* If a mapping can't be found the legacy mapping is used, - * using the qca8k_port_to_phy function - */ - 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); + err = devm_of_mdiobus_register(dev, bus, mdio); + +out_put_node: + of_node_put(mdio); +out: + return err; } static int @@ -2038,12 +2051,11 @@ qca8k_sw_probe(struct mdio_device *mdiodev) priv->info = of_device_get_match_data(priv->dev); priv->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset", - GPIOD_ASIS); + GPIOD_OUT_HIGH); if (IS_ERR(priv->reset_gpio)) return PTR_ERR(priv->reset_gpio); if (priv->reset_gpio) { - gpiod_set_value_cansleep(priv->reset_gpio, 1); /* The active low duration must be greater than 10 ms * and checkpatch.pl wants 20 ms. */ diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c index 9243eff8918d..2358cd399c7e 100644 --- a/drivers/net/dsa/qca/qca8k-common.c +++ b/drivers/net/dsa/qca/qca8k-common.c @@ -487,7 +487,7 @@ void qca8k_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < priv->info->mib_count; i++) - ethtool_sprintf(&data, "%s", ar8327_mib[i].name); + ethtool_puts(&data, ar8327_mib[i].name); } void qca8k_get_ethtool_stats(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/qca/qca8k-leds.c b/drivers/net/dsa/qca/qca8k-leds.c index 90e30c2909e4..811ebeeff4ed 100644 --- a/drivers/net/dsa/qca/qca8k-leds.c +++ b/drivers/net/dsa/qca/qca8k-leds.c @@ -366,7 +366,6 @@ qca8k_parse_port_leds(struct qca8k_priv *priv, struct fwnode_handle *port, int p { struct fwnode_handle *led = NULL, *leds = NULL; struct led_init_data init_data = { }; - struct dsa_switch *ds = priv->ds; enum led_default_state state; struct qca8k_led *port_led; int led_num, led_index; @@ -429,7 +428,8 @@ 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->user_mii_bus->id, + init_data.devicename = kasprintf(GFP_KERNEL, "%s:0%d", + priv->internal_mdio_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 2ac7e88f8da5..c8785c36c54e 100644 --- a/drivers/net/dsa/qca/qca8k.h +++ b/drivers/net/dsa/qca/qca8k.h @@ -454,6 +454,7 @@ struct qca8k_priv { struct qca8k_ports_config ports_config; struct regmap *regmap; struct mii_bus *bus; + struct mii_bus *internal_mdio_bus; struct dsa_switch *ds; struct mutex reg_mutex; struct device *dev; diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 0875e4fc9f57..b072045eb154 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -1303,7 +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]; - ethtool_sprintf(&data, "%s", mib->name); + ethtool_puts(&data, mib->name); } } diff --git a/drivers/net/dsa/realtek/rtl8366-core.c b/drivers/net/dsa/realtek/rtl8366-core.c index 82e267b8fddb..59f98d2c8769 100644 --- a/drivers/net/dsa/realtek/rtl8366-core.c +++ b/drivers/net/dsa/realtek/rtl8366-core.c @@ -401,7 +401,7 @@ void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset, return; for (i = 0; i < priv->num_mib_counters; i++) - ethtool_sprintf(&data, "%s", priv->mib_counters[i].name); + ethtool_puts(&data, priv->mib_counters[i].name); } EXPORT_SYMBOL_GPL(rtl8366_get_strings); diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c index b39b719a5b8f..e3b6a470ca67 100644 --- a/drivers/net/dsa/realtek/rtl8366rb.c +++ b/drivers/net/dsa/realtek/rtl8366rb.c @@ -15,6 +15,7 @@ #include <linux/bitops.h> #include <linux/etherdevice.h> #include <linux/if_bridge.h> +#include <linux/if_vlan.h> #include <linux/interrupt.h> #include <linux/irqdomain.h> #include <linux/irqchip/chained_irq.h> @@ -117,10 +118,11 @@ RTL8366RB_STP_STATE((port), RTL8366RB_STP_MASK) /* CPU port control reg */ -#define RTL8368RB_CPU_CTRL_REG 0x0061 -#define RTL8368RB_CPU_PORTS_MSK 0x00FF +#define RTL8366RB_CPU_CTRL_REG 0x0061 +#define RTL8366RB_CPU_PORTS_MSK 0x00FF /* Disables inserting custom tag length/type 0x8899 */ -#define RTL8368RB_CPU_NO_TAG BIT(15) +#define RTL8366RB_CPU_NO_TAG BIT(15) +#define RTL8366RB_CPU_TAG_SIZE 4 #define RTL8366RB_SMAR0 0x0070 /* bits 0..15 */ #define RTL8366RB_SMAR1 0x0071 /* bits 16..31 */ @@ -912,10 +914,10 @@ static int rtl8366rb_setup(struct dsa_switch *ds) /* Enable CPU port with custom DSA tag 8899. * - * If you set RTL8368RB_CPU_NO_TAG (bit 15) in this registers + * If you set RTL8366RB_CPU_NO_TAG (bit 15) in this register * the custom tag is turned off. */ - ret = regmap_update_bits(priv->map, RTL8368RB_CPU_CTRL_REG, + ret = regmap_update_bits(priv->map, RTL8366RB_CPU_CTRL_REG, 0xFFFF, BIT(priv->cpu_port)); if (ret) @@ -928,15 +930,19 @@ static int rtl8366rb_setup(struct dsa_switch *ds) if (ret) return ret; - /* Set maximum packet length to 1536 bytes */ + /* Set default maximum packet length to 1536 bytes */ ret = regmap_update_bits(priv->map, RTL8366RB_SGCR, RTL8366RB_SGCR_MAX_LENGTH_MASK, RTL8366RB_SGCR_MAX_LENGTH_1536); if (ret) return ret; - for (i = 0; i < RTL8366RB_NUM_PORTS; i++) - /* layer 2 size, see rtl8366rb_change_mtu() */ - rb->max_mtu[i] = 1532; + for (i = 0; i < RTL8366RB_NUM_PORTS; i++) { + if (i == priv->cpu_port) + /* CPU port need to also accept the tag */ + rb->max_mtu[i] = ETH_DATA_LEN + RTL8366RB_CPU_TAG_SIZE; + else + rb->max_mtu[i] = ETH_DATA_LEN; + } /* Disable learning for all ports */ ret = regmap_write(priv->map, RTL8366RB_PORT_LEARNDIS_CTRL, @@ -1441,24 +1447,29 @@ static int rtl8366rb_change_mtu(struct dsa_switch *ds, int port, int new_mtu) /* Roof out the MTU for the entire switch to the greatest * common denominator: the biggest set for any one port will * be the biggest MTU for the switch. - * - * The first setting, 1522 bytes, is max IP packet 1500 bytes, - * plus ethernet header, 1518 bytes, plus CPU tag, 4 bytes. - * This function should consider the parameter an SDU, so the - * MTU passed for this setting is 1518 bytes. The same logic - * of subtracting the DSA tag of 4 bytes apply to the other - * settings. */ - max_mtu = 1518; + max_mtu = ETH_DATA_LEN; for (i = 0; i < RTL8366RB_NUM_PORTS; i++) { if (rb->max_mtu[i] > max_mtu) max_mtu = rb->max_mtu[i]; } - if (max_mtu <= 1518) + + /* Translate to layer 2 size. + * Add ethernet and (possible) VLAN headers, and checksum to the size. + * For ETH_DATA_LEN (1500 bytes) this will add up to 1522 bytes. + */ + max_mtu += VLAN_ETH_HLEN; + max_mtu += ETH_FCS_LEN; + + if (max_mtu <= 1522) len = RTL8366RB_SGCR_MAX_LENGTH_1522; - else if (max_mtu > 1518 && max_mtu <= 1532) + else if (max_mtu > 1522 && max_mtu <= 1536) + /* This will be the most common default if using VLAN and + * CPU tagging on a port as both VLAN and CPU tag will + * result in 1518 + 4 + 4 = 1526 bytes. + */ len = RTL8366RB_SGCR_MAX_LENGTH_1536; - else if (max_mtu > 1532 && max_mtu <= 1548) + else if (max_mtu > 1536 && max_mtu <= 1552) len = RTL8366RB_SGCR_MAX_LENGTH_1552; else len = RTL8366RB_SGCR_MAX_LENGTH_16000; @@ -1470,10 +1481,12 @@ static int rtl8366rb_change_mtu(struct dsa_switch *ds, int port, int new_mtu) static int rtl8366rb_max_mtu(struct dsa_switch *ds, int port) { - /* The max MTU is 16000 bytes, so we subtract the CPU tag - * and the max presented to the system is 15996 bytes. + /* The max MTU is 16000 bytes, so we subtract the ethernet + * headers with VLAN and checksum and arrive at + * 16000 - 18 - 4 = 15978. This does not include the CPU tag + * since that is added to the requested MTU by the DSA framework. */ - return 15996; + return 16000 - VLAN_ETH_HLEN - ETH_FCS_LEN; } static int rtl8366rb_get_vlan_4k(struct realtek_priv *priv, u32 vid, diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 74cee39d73df..6646f7fb0f90 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -21,6 +21,8 @@ #include <linux/if_bridge.h> #include <linux/if_ether.h> #include <linux/dsa/8021q.h> +#include <linux/units.h> + #include "sja1105.h" #include "sja1105_tas.h" @@ -2138,7 +2140,6 @@ static void sja1105_bridge_leave(struct dsa_switch *ds, int port, sja1105_bridge_member(ds, port, bridge, false); } -#define BYTES_PER_KBIT (1000LL / 8) /* Port 0 (the uC port) does not have CBS shapers */ #define SJA1110_FIXED_CBS(port, prio) ((((port) - 1) * SJA1105_NUM_TC) + (prio)) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index e6f29e4e508c..ae70eac3be28 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -949,7 +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 */ - ethtool_sprintf(&buf, "RxEtherStatsOctets"); + ethtool_puts(&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 @@ -959,15 +959,15 @@ 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); - ethtool_sprintf(&buf, "%s", cnt ? cnt->name : ""); + ethtool_puts(&buf, cnt ? cnt->name : ""); } /* TX stats begins with the number of TX octets */ - ethtool_sprintf(&buf, "TxEtherStatsOctets"); + ethtool_puts(&buf, "TxEtherStatsOctets"); for (i = 3; i < 6; i++) { cnt = vsc73xx_find_counter(vsc, indices[i], true); - ethtool_sprintf(&buf, "%s", cnt ? cnt->name : ""); + ethtool_puts(&buf, cnt ? cnt->name : ""); } } @@ -1135,6 +1135,8 @@ static int vsc73xx_gpio_probe(struct vsc73xx *vsc) vsc->gc.label = devm_kasprintf(vsc->dev, GFP_KERNEL, "VSC%04x", vsc->chipid); + if (!vsc->gc.label) + return -ENOMEM; vsc->gc.ngpio = 4; vsc->gc.owner = THIS_MODULE; vsc->gc.parent = vsc->dev; |