diff options
Diffstat (limited to 'drivers/net/dsa')
38 files changed, 2489 insertions, 1052 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index b2eeff04f4..0783fc121b 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1266,95 +1266,70 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port, phy_modes(interface)); } -static void b53_adjust_link(struct dsa_switch *ds, int port, - struct phy_device *phydev) +static void b53_adjust_531x5_rgmii(struct dsa_switch *ds, int port, + phy_interface_t interface) { struct b53_device *dev = ds->priv; - struct ethtool_keee *p = &dev->ports[port].eee; - u8 rgmii_ctrl = 0, reg = 0, off; - bool tx_pause = false; - bool rx_pause = false; - - if (!phy_is_pseudo_fixed_link(phydev)) - return; + u8 rgmii_ctrl = 0, off; - /* Enable flow control on BCM5301x's CPU port */ - if (is5301x(dev) && dsa_is_cpu_port(ds, port)) - tx_pause = rx_pause = true; + if (port == dev->imp_port) + off = B53_RGMII_CTRL_IMP; + else + off = B53_RGMII_CTRL_P(port); - if (phydev->pause) { - if (phydev->asym_pause) - tx_pause = true; - rx_pause = true; - } + /* Configure the port RGMII clock delay by DLL disabled and + * tx_clk aligned timing (restoring to reset defaults) + */ + b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl); + rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC | + RGMII_CTRL_TIMING_SEL); - b53_force_port_config(dev, port, phydev->speed, phydev->duplex, - tx_pause, rx_pause); - b53_force_link(dev, port, phydev->link); + /* PHY_INTERFACE_MODE_RGMII_TXID means TX internal delay, make + * sure that we enable the port TX clock internal delay to + * account for this internal delay that is inserted, otherwise + * the switch won't be able to receive correctly. + * + * PHY_INTERFACE_MODE_RGMII means that we are not introducing + * any delay neither on transmission nor reception, so the + * BCM53125 must also be configured accordingly to account for + * the lack of delay and introduce + * + * The BCM53125 switch has its RX clock and TX clock control + * swapped, hence the reason why we modify the TX clock path in + * the "RGMII" case + */ + if (interface == PHY_INTERFACE_MODE_RGMII_TXID) + rgmii_ctrl |= RGMII_CTRL_DLL_TXC; + if (interface == PHY_INTERFACE_MODE_RGMII) + rgmii_ctrl |= RGMII_CTRL_DLL_TXC | RGMII_CTRL_DLL_RXC; + rgmii_ctrl |= RGMII_CTRL_TIMING_SEL; + b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); - if (is63xx(dev) && port >= B53_63XX_RGMII0) - b53_adjust_63xx_rgmii(ds, port, phydev->interface); + dev_info(ds->dev, "Configured port %d for %s\n", port, + phy_modes(interface)); +} - if (is531x5(dev) && phy_interface_is_rgmii(phydev)) { - if (port == dev->imp_port) - off = B53_RGMII_CTRL_IMP; - else - off = B53_RGMII_CTRL_P(port); +static void b53_adjust_5325_mii(struct dsa_switch *ds, int port) +{ + struct b53_device *dev = ds->priv; + u8 reg = 0; - /* Configure the port RGMII clock delay by DLL disabled and - * tx_clk aligned timing (restoring to reset defaults) - */ - b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl); - rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC | - RGMII_CTRL_TIMING_SEL); - - /* PHY_INTERFACE_MODE_RGMII_TXID means TX internal delay, make - * sure that we enable the port TX clock internal delay to - * account for this internal delay that is inserted, otherwise - * the switch won't be able to receive correctly. - * - * PHY_INTERFACE_MODE_RGMII means that we are not introducing - * any delay neither on transmission nor reception, so the - * BCM53125 must also be configured accordingly to account for - * the lack of delay and introduce - * - * The BCM53125 switch has its RX clock and TX clock control - * swapped, hence the reason why we modify the TX clock path in - * the "RGMII" case - */ - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) - rgmii_ctrl |= RGMII_CTRL_DLL_TXC; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) - rgmii_ctrl |= RGMII_CTRL_DLL_TXC | RGMII_CTRL_DLL_RXC; - rgmii_ctrl |= RGMII_CTRL_TIMING_SEL; - b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); - - dev_info(ds->dev, "Configured port %d for %s\n", port, - phy_modes(phydev->interface)); - } + b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + ®); - /* configure MII port if necessary */ - if (is5325(dev)) { + /* reverse mii needs to be enabled */ + if (!(reg & PORT_OVERRIDE_RV_MII_25)) { + b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + reg | PORT_OVERRIDE_RV_MII_25); b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, ®); - /* reverse mii needs to be enabled */ if (!(reg & PORT_OVERRIDE_RV_MII_25)) { - b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, - reg | PORT_OVERRIDE_RV_MII_25); - b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, - ®); - - if (!(reg & PORT_OVERRIDE_RV_MII_25)) { - dev_err(ds->dev, - "Failed to enable reverse MII mode\n"); - return; - } + dev_err(ds->dev, + "Failed to enable reverse MII mode\n"); + return; } } - - /* Re-negotiate EEE if it was enabled already */ - p->eee_enabled = b53_eee_init(ds, port, phydev); } void b53_port_event(struct dsa_switch *ds, int port) @@ -1408,30 +1383,48 @@ static void b53_phylink_get_caps(struct dsa_switch *ds, int port, dev->ops->phylink_get_caps(dev, port, config); } -static struct phylink_pcs *b53_phylink_mac_select_pcs(struct dsa_switch *ds, - int port, +static struct phylink_pcs *b53_phylink_mac_select_pcs(struct phylink_config *config, phy_interface_t interface) { - struct b53_device *dev = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct b53_device *dev = dp->ds->priv; if (!dev->ops->phylink_mac_select_pcs) return NULL; - return dev->ops->phylink_mac_select_pcs(dev, port, interface); + return dev->ops->phylink_mac_select_pcs(dev, dp->index, interface); } -void b53_phylink_mac_config(struct dsa_switch *ds, int port, - unsigned int mode, - const struct phylink_link_state *state) +static void b53_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) { + struct dsa_port *dp = dsa_phylink_to_port(config); + phy_interface_t interface = state->interface; + struct dsa_switch *ds = dp->ds; + struct b53_device *dev = ds->priv; + int port = dp->index; + + if (is63xx(dev) && port >= B53_63XX_RGMII0) + b53_adjust_63xx_rgmii(ds, port, interface); + + if (mode == MLO_AN_FIXED) { + if (is531x5(dev) && phy_interface_mode_is_rgmii(interface)) + b53_adjust_531x5_rgmii(ds, port, interface); + + /* configure MII port if necessary */ + if (is5325(dev)) + b53_adjust_5325_mii(ds, port); + } } -EXPORT_SYMBOL(b53_phylink_mac_config); -void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface) +static void b53_phylink_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface) { - struct b53_device *dev = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct b53_device *dev = dp->ds->priv; + int port = dp->index; if (mode == MLO_AN_PHY) return; @@ -1445,24 +1438,31 @@ void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, dev->ops->serdes_link_set) dev->ops->serdes_link_set(dev, port, mode, interface, false); } -EXPORT_SYMBOL(b53_phylink_mac_link_down); -void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface, - struct phy_device *phydev, - int speed, int duplex, - bool tx_pause, bool rx_pause) +static void b53_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, + unsigned int mode, + phy_interface_t interface, + int speed, int duplex, + bool tx_pause, bool rx_pause) { + struct dsa_port *dp = dsa_phylink_to_port(config); + struct dsa_switch *ds = dp->ds; struct b53_device *dev = ds->priv; + struct ethtool_keee *p = &dev->ports[dp->index].eee; + int port = dp->index; - if (is63xx(dev) && port >= B53_63XX_RGMII0) - b53_adjust_63xx_rgmii(ds, port, interface); - - if (mode == MLO_AN_PHY) + if (mode == MLO_AN_PHY) { + /* Re-negotiate EEE if it was enabled already */ + p->eee_enabled = b53_eee_init(ds, port, phydev); return; + } if (mode == MLO_AN_FIXED) { + /* Force flow control on BCM5301x's CPU port */ + if (is5301x(dev) && dsa_is_cpu_port(ds, port)) + tx_pause = rx_pause = true; + b53_force_port_config(dev, port, speed, duplex, tx_pause, rx_pause); b53_force_link(dev, port, true); @@ -1473,7 +1473,6 @@ void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, dev->ops->serdes_link_set) dev->ops->serdes_link_set(dev, port, mode, interface, true); } -EXPORT_SYMBOL(b53_phylink_mac_link_up); int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering, struct netlink_ext_ack *extack) @@ -2257,6 +2256,9 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) if (is5325(dev) || is5365(dev)) return -EOPNOTSUPP; + if (!dsa_is_cpu_port(ds, port)) + return 0; + enable_jumbo = (mtu >= JMS_MIN_SIZE); allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); @@ -2268,6 +2270,13 @@ static int b53_get_max_mtu(struct dsa_switch *ds, int port) return JMS_MAX_SIZE; } +static const struct phylink_mac_ops b53_phylink_mac_ops = { + .mac_select_pcs = b53_phylink_mac_select_pcs, + .mac_config = b53_phylink_mac_config, + .mac_link_down = b53_phylink_mac_link_down, + .mac_link_up = b53_phylink_mac_link_up, +}; + static const struct dsa_switch_ops b53_switch_ops = { .get_tag_protocol = b53_get_tag_protocol, .setup = b53_setup, @@ -2278,12 +2287,7 @@ static const struct dsa_switch_ops b53_switch_ops = { .get_ethtool_phy_stats = b53_get_ethtool_phy_stats, .phy_read = b53_phy_read16, .phy_write = b53_phy_write16, - .adjust_link = b53_adjust_link, .phylink_get_caps = b53_phylink_get_caps, - .phylink_mac_select_pcs = b53_phylink_mac_select_pcs, - .phylink_mac_config = b53_phylink_mac_config, - .phylink_mac_link_down = b53_phylink_mac_link_down, - .phylink_mac_link_up = b53_phylink_mac_link_up, .port_enable = b53_enable_port, .port_disable = b53_disable_port, .get_mac_eee = b53_get_mac_eee, @@ -2726,6 +2730,7 @@ struct b53_device *b53_switch_alloc(struct device *base, dev->priv = priv; dev->ops = ops; ds->ops = &b53_switch_ops; + ds->phylink_mac_ops = &b53_phylink_mac_ops; dev->vlan_enabled = true; /* Let DSA handle the case were multiple bridges span the same switch * device and different VLAN awareness settings are requested, which diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index c13a907947..05141176da 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -352,18 +352,6 @@ int b53_br_flags(struct dsa_switch *ds, int port, struct netlink_ext_ack *extack); int b53_setup_devlink_resources(struct dsa_switch *ds); void b53_port_event(struct dsa_switch *ds, int port); -void b53_phylink_mac_config(struct dsa_switch *ds, int port, - unsigned int mode, - const struct phylink_link_state *state); -void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface); -void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface, - struct phy_device *phydev, - int speed, int duplex, - bool tx_pause, bool rx_pause); int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering, struct netlink_ext_ack *extack); int b53_vlan_add(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index bc77ee9e6d..ed1e6560df 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -740,16 +740,19 @@ static void bcm_sf2_sw_get_caps(struct dsa_switch *ds, int port, MAC_10 | MAC_100 | MAC_1000; } -static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + struct dsa_port *dp = dsa_phylink_to_port(config); u32 id_mode_dis = 0, port_mode; + struct bcm_sf2_priv *priv; u32 reg_rgmii_ctrl; u32 reg; - if (port == core_readl(priv, CORE_IMP0_PRT_ID)) + priv = bcm_sf2_to_priv(dp->ds); + + if (dp->index == core_readl(priv, CORE_IMP0_PRT_ID)) return; switch (state->interface) { @@ -770,7 +773,7 @@ static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port, return; } - reg_rgmii_ctrl = bcm_sf2_reg_rgmii_cntrl(priv, port); + reg_rgmii_ctrl = bcm_sf2_reg_rgmii_cntrl(priv, dp->index); /* Clear id_mode_dis bit, and the existing port mode, let * RGMII_MODE_EN bet set by mac_link_{up,down} @@ -809,13 +812,16 @@ static void bcm_sf2_sw_mac_link_set(struct dsa_switch *ds, int port, reg_writel(priv, reg, reg_rgmii_ctrl); } -static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + struct dsa_port *dp = dsa_phylink_to_port(config); + struct bcm_sf2_priv *priv; + int port = dp->index; u32 reg, offset; + priv = bcm_sf2_to_priv(dp->ds); if (priv->wol_ports_mask & BIT(port)) return; @@ -824,23 +830,26 @@ static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, reg &= ~LINK_STS; core_writel(priv, reg, offset); - bcm_sf2_sw_mac_link_set(ds, port, interface, false); + bcm_sf2_sw_mac_link_set(dp->ds, port, interface, false); } -static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); - struct ethtool_keee *p = &priv->dev->ports[port].eee; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct bcm_sf2_priv *priv; u32 reg_rgmii_ctrl = 0; + struct ethtool_keee *p; + int port = dp->index; u32 reg, offset; - bcm_sf2_sw_mac_link_set(ds, port, interface, true); + bcm_sf2_sw_mac_link_set(dp->ds, port, interface, true); + priv = bcm_sf2_to_priv(dp->ds); offset = bcm_sf2_port_override_offset(priv, port); if (phy_interface_mode_is_rgmii(interface) || @@ -886,8 +895,10 @@ static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, core_writel(priv, reg, offset); - if (mode == MLO_AN_PHY && phydev) - p->eee_enabled = b53_eee_init(ds, port, phydev); + if (mode == MLO_AN_PHY && phydev) { + p = &priv->dev->ports[port].eee; + p->eee_enabled = b53_eee_init(dp->ds, port, phydev); + } } static void bcm_sf2_sw_fixed_state(struct dsa_switch *ds, int port, @@ -1196,6 +1207,12 @@ static int bcm_sf2_sw_get_sset_count(struct dsa_switch *ds, int port, return cnt; } +static const struct phylink_mac_ops bcm_sf2_phylink_mac_ops = { + .mac_config = bcm_sf2_sw_mac_config, + .mac_link_down = bcm_sf2_sw_mac_link_down, + .mac_link_up = bcm_sf2_sw_mac_link_up, +}; + static const struct dsa_switch_ops bcm_sf2_ops = { .get_tag_protocol = b53_get_tag_protocol, .setup = bcm_sf2_sw_setup, @@ -1206,9 +1223,6 @@ static const struct dsa_switch_ops bcm_sf2_ops = { .get_ethtool_phy_stats = b53_get_ethtool_phy_stats, .get_phy_flags = bcm_sf2_sw_get_phy_flags, .phylink_get_caps = bcm_sf2_sw_get_caps, - .phylink_mac_config = bcm_sf2_sw_mac_config, - .phylink_mac_link_down = bcm_sf2_sw_mac_link_down, - .phylink_mac_link_up = bcm_sf2_sw_mac_link_up, .phylink_fixed_state = bcm_sf2_sw_fixed_state, .suspend = bcm_sf2_sw_suspend, .resume = bcm_sf2_sw_resume, @@ -1399,6 +1413,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) priv->dev = dev; ds = dev->ds; ds->ops = &bcm_sf2_ops; + ds->phylink_mac_ops = &bcm_sf2_phylink_mac_ops; /* Advertise the 8 egress queues */ ds->num_tx_queues = SF2_NUM_EGRESS_QUEUES; diff --git a/drivers/net/dsa/hirschmann/hellcreek_ptp.c b/drivers/net/dsa/hirschmann/hellcreek_ptp.c index 5249a1c2a8..bfe21f9f7d 100644 --- a/drivers/net/dsa/hirschmann/hellcreek_ptp.c +++ b/drivers/net/dsa/hirschmann/hellcreek_ptp.c @@ -27,7 +27,8 @@ void hellcreek_ptp_write(struct hellcreek *hellcreek, u16 data, } /* Get nanoseconds from PTP clock */ -static u64 hellcreek_ptp_clock_read(struct hellcreek *hellcreek) +static u64 hellcreek_ptp_clock_read(struct hellcreek *hellcreek, + struct ptp_system_timestamp *sts) { u16 nsl, nsh; @@ -45,16 +46,19 @@ static u64 hellcreek_ptp_clock_read(struct hellcreek *hellcreek) nsh = hellcreek_ptp_read(hellcreek, PR_SS_SYNC_DATA_C); nsh = hellcreek_ptp_read(hellcreek, PR_SS_SYNC_DATA_C); nsh = hellcreek_ptp_read(hellcreek, PR_SS_SYNC_DATA_C); + ptp_read_system_prets(sts); nsl = hellcreek_ptp_read(hellcreek, PR_SS_SYNC_DATA_C); + ptp_read_system_postts(sts); return (u64)nsl | ((u64)nsh << 16); } -static u64 __hellcreek_ptp_gettime(struct hellcreek *hellcreek) +static u64 __hellcreek_ptp_gettime(struct hellcreek *hellcreek, + struct ptp_system_timestamp *sts) { u64 ns; - ns = hellcreek_ptp_clock_read(hellcreek); + ns = hellcreek_ptp_clock_read(hellcreek, sts); if (ns < hellcreek->last_ts) hellcreek->seconds++; hellcreek->last_ts = ns; @@ -72,7 +76,7 @@ u64 hellcreek_ptp_gettime_seconds(struct hellcreek *hellcreek, u64 ns) { u64 s; - __hellcreek_ptp_gettime(hellcreek); + __hellcreek_ptp_gettime(hellcreek, NULL); if (hellcreek->last_ts > ns) s = hellcreek->seconds * NSEC_PER_SEC; else @@ -81,14 +85,15 @@ u64 hellcreek_ptp_gettime_seconds(struct hellcreek *hellcreek, u64 ns) return s; } -static int hellcreek_ptp_gettime(struct ptp_clock_info *ptp, - struct timespec64 *ts) +static int hellcreek_ptp_gettimex(struct ptp_clock_info *ptp, + struct timespec64 *ts, + struct ptp_system_timestamp *sts) { struct hellcreek *hellcreek = ptp_to_hellcreek(ptp); u64 ns; mutex_lock(&hellcreek->ptp_lock); - ns = __hellcreek_ptp_gettime(hellcreek); + ns = __hellcreek_ptp_gettime(hellcreek, sts); mutex_unlock(&hellcreek->ptp_lock); *ts = ns_to_timespec64(ns); @@ -184,7 +189,7 @@ static int hellcreek_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) if (abs(delta) > MAX_SLOW_OFFSET_ADJ) { struct timespec64 now, then = ns_to_timespec64(delta); - hellcreek_ptp_gettime(ptp, &now); + hellcreek_ptp_gettimex(ptp, &now, NULL); now = timespec64_add(now, then); hellcreek_ptp_settime(ptp, &now); @@ -233,7 +238,7 @@ static void hellcreek_ptp_overflow_check(struct work_struct *work) hellcreek = dw_overflow_to_hellcreek(dw); mutex_lock(&hellcreek->ptp_lock); - __hellcreek_ptp_gettime(hellcreek); + __hellcreek_ptp_gettime(hellcreek, NULL); mutex_unlock(&hellcreek->ptp_lock); schedule_delayed_work(&hellcreek->overflow_work, @@ -409,7 +414,7 @@ int hellcreek_ptp_setup(struct hellcreek *hellcreek) hellcreek->ptp_clock_info.pps = 0; hellcreek->ptp_clock_info.adjfine = hellcreek_ptp_adjfine; hellcreek->ptp_clock_info.adjtime = hellcreek_ptp_adjtime; - hellcreek->ptp_clock_info.gettime64 = hellcreek_ptp_gettime; + hellcreek->ptp_clock_info.gettimex64 = hellcreek_ptp_gettimex; hellcreek->ptp_clock_info.settime64 = hellcreek_ptp_settime; hellcreek->ptp_clock_info.enable = hellcreek_ptp_enable; hellcreek->ptp_clock_info.do_aux_work = hellcreek_hwtstamp_work; diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index b47841e67e..2689499396 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1007,15 +1007,14 @@ static const struct lan9303_mib_desc lan9303_mib[] = { static void lan9303_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *data) { + u8 *buf = data; unsigned int u; if (stringset != ETH_SS_STATS) return; - for (u = 0; u < ARRAY_SIZE(lan9303_mib); u++) { - strncpy(data + u * ETH_GSTRING_LEN, lan9303_mib[u].name, - ETH_GSTRING_LEN); - } + for (u = 0; u < ARRAY_SIZE(lan9303_mib); u++) + ethtool_puts(&buf, lan9303_mib[u].name); } static void lan9303_get_ethtool_stats(struct dsa_switch *ds, int port, @@ -1293,14 +1292,29 @@ static void lan9303_phylink_get_caps(struct dsa_switch *ds, int port, } } -static void lan9303_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void lan9303_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) +{ +} + +static void lan9303_phylink_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface) +{ +} + +static void lan9303_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, + int speed, int duplex, bool tx_pause, bool rx_pause) { - struct lan9303 *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct lan9303 *chip = dp->ds->priv; + struct dsa_switch *ds = dp->ds; + int port = dp->index; u32 ctl; u32 reg; @@ -1330,6 +1344,12 @@ static void lan9303_phylink_mac_link_up(struct dsa_switch *ds, int port, regmap_write(chip->regmap, flow_ctl_reg[port], reg); } +static const struct phylink_mac_ops lan9303_phylink_mac_ops = { + .mac_config = lan9303_phylink_mac_config, + .mac_link_down = lan9303_phylink_mac_link_down, + .mac_link_up = lan9303_phylink_mac_link_up, +}; + static const struct dsa_switch_ops lan9303_switch_ops = { .get_tag_protocol = lan9303_get_tag_protocol, .setup = lan9303_setup, @@ -1337,7 +1357,6 @@ static const struct dsa_switch_ops lan9303_switch_ops = { .phy_read = lan9303_phy_read, .phy_write = lan9303_phy_write, .phylink_get_caps = lan9303_phylink_get_caps, - .phylink_mac_link_up = lan9303_phylink_mac_link_up, .get_ethtool_stats = lan9303_get_ethtool_stats, .get_sset_count = lan9303_get_sset_count, .port_enable = lan9303_port_enable, @@ -1363,6 +1382,7 @@ static int lan9303_register_switch(struct lan9303 *chip) chip->ds->num_ports = LAN9303_NUM_PORTS; chip->ds->priv = chip; chip->ds->ops = &lan9303_switch_ops; + chip->ds->phylink_mac_ops = &lan9303_phylink_mac_ops; chip->ds->phys_mii_mask = GENMASK(LAN9303_NUM_PORTS - 1, 0); return dsa_register_switch(chip->ds); diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index de48b19404..a557049e34 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1670,11 +1670,13 @@ static void gswip_port_set_pause(struct gswip_priv *priv, int port, mdio_phy, GSWIP_MDIO_PHYp(port)); } -static void gswip_phylink_mac_config(struct dsa_switch *ds, int port, +static void gswip_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct gswip_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct gswip_priv *priv = dp->ds->priv; + int port = dp->index; u32 miicfg = 0; miicfg |= GSWIP_MII_CFG_LDCLKDIS; @@ -1700,7 +1702,7 @@ static void gswip_phylink_mac_config(struct dsa_switch *ds, int port, miicfg |= GSWIP_MII_CFG_MODE_GMII; break; default: - dev_err(ds->dev, + dev_err(dp->ds->dev, "Unsupported interface: %d\n", state->interface); return; } @@ -1726,28 +1728,32 @@ static void gswip_phylink_mac_config(struct dsa_switch *ds, int port, } } -static void gswip_phylink_mac_link_down(struct dsa_switch *ds, int port, +static void gswip_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct gswip_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct gswip_priv *priv = dp->ds->priv; + int port = dp->index; gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, port); - if (!dsa_is_cpu_port(ds, port)) + if (!dsa_port_is_cpu(dp)) gswip_port_set_link(priv, port, false); } -static void gswip_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void gswip_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct gswip_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct gswip_priv *priv = dp->ds->priv; + int port = dp->index; - if (!dsa_is_cpu_port(ds, port)) { + if (!dsa_port_is_cpu(dp)) { gswip_port_set_link(priv, port, true); gswip_port_set_speed(priv, port, speed, interface); gswip_port_set_duplex(priv, port, duplex); @@ -1824,6 +1830,12 @@ static int gswip_get_sset_count(struct dsa_switch *ds, int port, int sset) return ARRAY_SIZE(gswip_rmon_cnt); } +static const struct phylink_mac_ops gswip_phylink_mac_ops = { + .mac_config = gswip_phylink_mac_config, + .mac_link_down = gswip_phylink_mac_link_down, + .mac_link_up = gswip_phylink_mac_link_up, +}; + static const struct dsa_switch_ops gswip_xrx200_switch_ops = { .get_tag_protocol = gswip_get_tag_protocol, .setup = gswip_setup, @@ -1842,9 +1854,6 @@ static const struct dsa_switch_ops gswip_xrx200_switch_ops = { .port_change_mtu = gswip_port_change_mtu, .port_max_mtu = gswip_port_max_mtu, .phylink_get_caps = gswip_xrx200_phylink_get_caps, - .phylink_mac_config = gswip_phylink_mac_config, - .phylink_mac_link_down = gswip_phylink_mac_link_down, - .phylink_mac_link_up = gswip_phylink_mac_link_up, .get_strings = gswip_get_strings, .get_ethtool_stats = gswip_get_ethtool_stats, .get_sset_count = gswip_get_sset_count, @@ -1868,9 +1877,6 @@ static const struct dsa_switch_ops gswip_xrx300_switch_ops = { .port_change_mtu = gswip_port_change_mtu, .port_max_mtu = gswip_port_max_mtu, .phylink_get_caps = gswip_xrx300_phylink_get_caps, - .phylink_mac_config = gswip_phylink_mac_config, - .phylink_mac_link_down = gswip_phylink_mac_link_down, - .phylink_mac_link_up = gswip_phylink_mac_link_up, .get_strings = gswip_get_strings, .get_ethtool_stats = gswip_get_ethtool_stats, .get_sset_count = gswip_get_sset_count, @@ -2136,6 +2142,7 @@ static int gswip_probe(struct platform_device *pdev) priv->ds->num_ports = priv->hw_info->max_ports; priv->ds->priv = priv; priv->ds->ops = priv->hw_info->ops; + priv->ds->phylink_mac_ops = &gswip_phylink_mac_ops; priv->dev = dev; mutex_init(&priv->pce_table_lock); version = gswip_switch_r(priv, GSWIP_VERSION); diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig index 394ca8678d..c1b906c05a 100644 --- a/drivers/net/dsa/microchip/Kconfig +++ b/drivers/net/dsa/microchip/Kconfig @@ -4,6 +4,8 @@ menuconfig NET_DSA_MICROCHIP_KSZ_COMMON depends on NET_DSA select NET_DSA_TAG_KSZ select NET_DSA_TAG_NONE + select NET_IEEE8021Q_HELPERS + select DCB help This driver adds support for Microchip KSZ9477 series switch and KSZ8795/KSZ88x3 switch chips. diff --git a/drivers/net/dsa/microchip/Makefile b/drivers/net/dsa/microchip/Makefile index 49459a50db..1cfba1ec93 100644 --- a/drivers/net/dsa/microchip/Makefile +++ b/drivers/net/dsa/microchip/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON) += ksz_switch.o -ksz_switch-objs := ksz_common.o +ksz_switch-objs := ksz_common.o ksz_dcb.o ksz_switch-objs += ksz9477.o ksz9477_acl.o ksz9477_tc_flower.o ksz_switch-objs += ksz8795.o ksz_switch-objs += lan937x_main.o diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h index 1a5225264e..ae43077e76 100644 --- a/drivers/net/dsa/microchip/ksz8.h +++ b/drivers/net/dsa/microchip/ksz8.h @@ -19,8 +19,6 @@ void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port); void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port); int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val); int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val); -int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, - u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries); void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt); void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, u64 *dropped, u64 *cnt); @@ -56,9 +54,10 @@ 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, +void ksz8_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, + phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause); +int ksz8_all_queues_split(struct ksz_device *dev, int queues); #endif diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 14923535ca..d27b9c36d7 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -127,37 +127,71 @@ int ksz8_change_mtu(struct ksz_device *dev, int port, int mtu) return -EOPNOTSUPP; } -static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue) +static int ksz8_port_queue_split(struct ksz_device *dev, int port, int queues) { - u8 hi, lo; + u8 mask_4q, mask_2q; + u8 reg_4q, reg_2q; + u8 data_4q = 0; + u8 data_2q = 0; + int ret; - /* Number of queues can only be 1, 2, or 4. */ - switch (queue) { - case 4: - case 3: - queue = PORT_QUEUE_SPLIT_4; - break; - case 2: - queue = PORT_QUEUE_SPLIT_2; - break; - default: - queue = PORT_QUEUE_SPLIT_1; + if (ksz_is_ksz88x3(dev)) { + mask_4q = KSZ8873_PORT_4QUEUE_SPLIT_EN; + mask_2q = KSZ8873_PORT_2QUEUE_SPLIT_EN; + reg_4q = REG_PORT_CTRL_0; + reg_2q = REG_PORT_CTRL_2; + + /* KSZ8795 family switches have Weighted Fair Queueing (WFQ) + * enabled by default. Enable it for KSZ8873 family switches + * too. Default value for KSZ8873 family is strict priority, + * which should be enabled by using TC_SETUP_QDISC_ETS, not + * by default. + */ + ret = ksz_rmw8(dev, REG_SW_CTRL_3, WEIGHTED_FAIR_QUEUE_ENABLE, + WEIGHTED_FAIR_QUEUE_ENABLE); + if (ret) + return ret; + } else { + mask_4q = KSZ8795_PORT_4QUEUE_SPLIT_EN; + mask_2q = KSZ8795_PORT_2QUEUE_SPLIT_EN; + reg_4q = REG_PORT_CTRL_13; + reg_2q = REG_PORT_CTRL_0; + + /* TODO: this is legacy from initial KSZ8795 driver, should be + * moved to appropriate place in the future. + */ + ret = ksz_rmw8(dev, REG_SW_CTRL_19, + SW_OUT_RATE_LIMIT_QUEUE_BASED, + SW_OUT_RATE_LIMIT_QUEUE_BASED); + if (ret) + return ret; } - ksz_pread8(dev, port, REG_PORT_CTRL_0, &lo); - ksz_pread8(dev, port, P_DROP_TAG_CTRL, &hi); - lo &= ~PORT_QUEUE_SPLIT_L; - if (queue & PORT_QUEUE_SPLIT_2) - lo |= PORT_QUEUE_SPLIT_L; - hi &= ~PORT_QUEUE_SPLIT_H; - if (queue & PORT_QUEUE_SPLIT_4) - hi |= PORT_QUEUE_SPLIT_H; - ksz_pwrite8(dev, port, REG_PORT_CTRL_0, lo); - ksz_pwrite8(dev, port, P_DROP_TAG_CTRL, hi); - - /* Default is port based for egress rate limit. */ - if (queue != PORT_QUEUE_SPLIT_1) - ksz_cfg(dev, REG_SW_CTRL_19, SW_OUT_RATE_LIMIT_QUEUE_BASED, - true); + + if (queues == 4) + data_4q = mask_4q; + else if (queues == 2) + data_2q = mask_2q; + + ret = ksz_prmw8(dev, port, reg_4q, mask_4q, data_4q); + if (ret) + return ret; + + return ksz_prmw8(dev, port, reg_2q, mask_2q, data_2q); +} + +int ksz8_all_queues_split(struct ksz_device *dev, int queues) +{ + struct dsa_switch *ds = dev->ds; + const struct dsa_port *dp; + + dsa_switch_for_each_port(dp, ds) { + int ret = ksz8_port_queue_split(dev, dp->index, queues); + + if (ret) + return ret; + } + + return 0; } void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt) @@ -385,39 +419,39 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data) int timeout = 100; const u32 *masks; const u16 *regs; + int ret; masks = dev->info->masks; regs = dev->info->regs; do { - ksz_read8(dev, regs[REG_IND_DATA_CHECK], data); + ret = ksz_read8(dev, regs[REG_IND_DATA_CHECK], data); + if (ret) + return ret; + timeout--; } while ((*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) && timeout); /* Entry is not ready for accessing. */ - if (*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) { - return -EAGAIN; - /* Entry is ready for accessing. */ - } else { - ksz_read8(dev, regs[REG_IND_DATA_8], data); + if (*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) + return -ETIMEDOUT; - /* There is no valid entry in the table. */ - if (*data & masks[DYNAMIC_MAC_TABLE_MAC_EMPTY]) - return -ENXIO; - } - return 0; + /* Entry is ready for accessing. */ + return ksz_read8(dev, regs[REG_IND_DATA_8], data); } -int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, - u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries) +static int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, + u8 *fid, u8 *src_port, u16 *entries) { u32 data_hi, data_lo; const u8 *shifts; const u32 *masks; const u16 *regs; u16 ctrl_addr; + u64 buf = 0; u8 data; - int rc; + int cnt; + int ret; shifts = dev->info->shifts; masks = dev->info->masks; @@ -426,49 +460,50 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, ctrl_addr = IND_ACC_TABLE(TABLE_DYNAMIC_MAC | TABLE_READ) | addr; mutex_lock(&dev->alu_mutex); - ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + ret = ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + if (ret) + goto unlock_alu; + + ret = ksz8_valid_dyn_entry(dev, &data); + if (ret) + goto unlock_alu; - rc = ksz8_valid_dyn_entry(dev, &data); - if (rc == -EAGAIN) { - if (addr == 0) - *entries = 0; - } else if (rc == -ENXIO) { + if (data & masks[DYNAMIC_MAC_TABLE_MAC_EMPTY]) { *entries = 0; - /* At least one valid entry in the table. */ - } else { - u64 buf = 0; - int cnt; - - ksz_read64(dev, regs[REG_IND_DATA_HI], &buf); - data_hi = (u32)(buf >> 32); - data_lo = (u32)buf; - - /* Check out how many valid entry in the table. */ - cnt = data & masks[DYNAMIC_MAC_TABLE_ENTRIES_H]; - cnt <<= shifts[DYNAMIC_MAC_ENTRIES_H]; - cnt |= (data_hi & masks[DYNAMIC_MAC_TABLE_ENTRIES]) >> - shifts[DYNAMIC_MAC_ENTRIES]; - *entries = cnt + 1; - - *fid = (data_hi & masks[DYNAMIC_MAC_TABLE_FID]) >> - shifts[DYNAMIC_MAC_FID]; - *src_port = (data_hi & masks[DYNAMIC_MAC_TABLE_SRC_PORT]) >> - shifts[DYNAMIC_MAC_SRC_PORT]; - *timestamp = (data_hi & masks[DYNAMIC_MAC_TABLE_TIMESTAMP]) >> - shifts[DYNAMIC_MAC_TIMESTAMP]; - - mac_addr[5] = (u8)data_lo; - mac_addr[4] = (u8)(data_lo >> 8); - mac_addr[3] = (u8)(data_lo >> 16); - mac_addr[2] = (u8)(data_lo >> 24); - - mac_addr[1] = (u8)data_hi; - mac_addr[0] = (u8)(data_hi >> 8); - rc = 0; + goto unlock_alu; } + + ret = ksz_read64(dev, regs[REG_IND_DATA_HI], &buf); + if (ret) + goto unlock_alu; + + data_hi = (u32)(buf >> 32); + data_lo = (u32)buf; + + /* Check out how many valid entry in the table. */ + cnt = data & masks[DYNAMIC_MAC_TABLE_ENTRIES_H]; + cnt <<= shifts[DYNAMIC_MAC_ENTRIES_H]; + cnt |= (data_hi & masks[DYNAMIC_MAC_TABLE_ENTRIES]) >> + shifts[DYNAMIC_MAC_ENTRIES]; + *entries = cnt + 1; + + *fid = (data_hi & masks[DYNAMIC_MAC_TABLE_FID]) >> + shifts[DYNAMIC_MAC_FID]; + *src_port = (data_hi & masks[DYNAMIC_MAC_TABLE_SRC_PORT]) >> + shifts[DYNAMIC_MAC_SRC_PORT]; + + mac_addr[5] = (u8)data_lo; + mac_addr[4] = (u8)(data_lo >> 8); + mac_addr[3] = (u8)(data_lo >> 16); + mac_addr[2] = (u8)(data_lo >> 24); + + mac_addr[1] = (u8)data_hi; + mac_addr[0] = (u8)(data_hi >> 8); + +unlock_alu: mutex_unlock(&dev->alu_mutex); - return rc; + return ret; } static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr, @@ -1193,28 +1228,28 @@ void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port) int ksz8_fdb_dump(struct ksz_device *dev, int port, dsa_fdb_dump_cb_t *cb, void *data) { - int ret = 0; - u16 i = 0; - u16 entries = 0; - u8 timestamp = 0; - u8 fid; - u8 src_port; u8 mac[ETH_ALEN]; + u8 src_port, fid; + u16 entries = 0; + int ret, i; - do { + for (i = 0; i < KSZ8_DYN_MAC_ENTRIES; i++) { ret = ksz8_r_dyn_mac_table(dev, i, mac, &fid, &src_port, - ×tamp, &entries); - if (!ret && port == src_port) { + &entries); + if (ret) + return ret; + + if (i >= entries) + return 0; + + if (port == src_port) { ret = cb(mac, fid, false, data); if (ret) - break; + return ret; } - i++; - } while (i < entries); - if (i >= entries) - ret = 0; + } - return ret; + return 0; } static int ksz8_add_sta_mac(struct ksz_device *dev, int port, @@ -1512,6 +1547,7 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port) { struct dsa_switch *ds = dev->ds; const u32 *masks; + int queues; u8 member; masks = dev->info->masks; @@ -1519,19 +1555,20 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port) /* enable broadcast storm limit */ ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true); - if (!ksz_is_ksz88x3(dev)) - ksz8795_set_prio_queue(dev, port, 4); + /* For KSZ88x3 enable only one queue by default, otherwise we won't + * be able to get rid of PCP prios on Port 2. + */ + if (ksz_is_ksz88x3(dev)) + queues = 1; + else + queues = dev->info->num_tx_queues; - /* disable DiffServ priority */ - ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false); + ksz8_port_queue_split(dev, port, queues); /* replace priority */ ksz_port_cfg(dev, port, P_802_1P_CTRL, masks[PORT_802_1P_REMAPPING], false); - /* enable 802.1p priority */ - ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true); - if (cpu_port) member = dsa_user_ports(ds); else @@ -1701,11 +1738,15 @@ static void ksz8_cpu_port_link_up(struct ksz_device *dev, int speed, int duplex, 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, +void ksz8_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, + phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause) { + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ksz_device *dev = dp->ds->priv; + int port = dp->index; + /* If the port is the CPU port, apply special handling. Only the CPU * port is configured via global registers. */ diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index 7c9341ef73..69566a5d9c 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -124,7 +124,8 @@ #define PORT_BASED_PRIO_3 3 #define PORT_INSERT_TAG BIT(2) #define PORT_REMOVE_TAG BIT(1) -#define PORT_QUEUE_SPLIT_L BIT(0) +#define KSZ8795_PORT_2QUEUE_SPLIT_EN BIT(0) +#define KSZ8873_PORT_4QUEUE_SPLIT_EN BIT(0) #define REG_PORT_1_CTRL_1 0x11 #define REG_PORT_2_CTRL_1 0x21 @@ -143,6 +144,7 @@ #define REG_PORT_4_CTRL_2 0x42 #define REG_PORT_5_CTRL_2 0x52 +#define KSZ8873_PORT_2QUEUE_SPLIT_EN BIT(7) #define PORT_INGRESS_FILTER BIT(6) #define PORT_DISCARD_NON_VID BIT(5) #define PORT_FORCE_FLOW_CTRL BIT(4) @@ -463,10 +465,7 @@ #define REG_PORT_4_CTRL_13 0xE1 #define REG_PORT_5_CTRL_13 0xF1 -#define PORT_QUEUE_SPLIT_H BIT(1) -#define PORT_QUEUE_SPLIT_1 0 -#define PORT_QUEUE_SPLIT_2 1 -#define PORT_QUEUE_SPLIT_4 2 +#define KSZ8795_PORT_4QUEUE_SPLIT_EN BIT(1) #define PORT_DROP_TAG BIT(0) #define REG_PORT_1_CTRL_14 0xB2 @@ -794,5 +793,6 @@ #define TAIL_TAG_LOOKUP BIT(7) #define FID_ENTRIES 128 +#define KSZ8_DYN_MAC_ENTRIES 1024 #endif diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index dde5c65c2c..425e20daf1 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -427,6 +427,57 @@ void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze) mutex_unlock(&p->mib.cnt_mutex); } +int ksz9477_errata_monitor(struct ksz_device *dev, int port, + u64 tx_late_col) +{ + u32 pmavbc; + u8 status; + u16 pqm; + int ret; + + ret = ksz_pread8(dev, port, REG_PORT_STATUS_0, &status); + if (ret) + return ret; + if (!(FIELD_GET(PORT_INTF_SPEED_MASK, status) == PORT_INTF_SPEED_NONE) && + !(status & PORT_INTF_FULL_DUPLEX)) { + /* Errata DS80000754 recommends monitoring potential faults in + * half-duplex mode. The switch might not be able to communicate anymore + * in these states. + * If you see this message, please read the errata-sheet for more information: + * https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/KSZ9477S-Errata-DS80000754.pdf + * To workaround this issue, half-duplex mode should be avoided. + * A software reset could be implemented to recover from this state. + */ + dev_warn_once(dev->dev, + "Half-duplex detected on port %d, transmission halt may occur\n", + port); + if (tx_late_col != 0) { + /* Transmission halt with late collisions */ + dev_crit_once(dev->dev, + "TX late collisions detected, transmission may be halted on port %d\n", + port); + } + ret = ksz_read8(dev, REG_SW_LUE_CTRL_0, &status); + if (ret) + return ret; + if (status & SW_VLAN_ENABLE) { + ret = ksz_pread16(dev, port, REG_PORT_QM_TX_CNT_0__4, &pqm); + if (ret) + return ret; + ret = ksz_read32(dev, REG_PMAVBC, &pmavbc); + if (ret) + return ret; + if ((FIELD_GET(PMAVBC_MASK, pmavbc) <= PMAVBC_MIN) || + (FIELD_GET(PORT_QM_TX_CNT_M, pqm) >= PORT_QM_TX_CNT_MAX)) { + /* Transmission halt with Half-Duplex and VLAN */ + dev_crit_once(dev->dev, + "resources out of limits, transmission may be halted\n"); + } + } + } + return ret; +} + void ksz9477_port_init_cnt(struct ksz_device *dev, int port) { struct ksz_port_mib *mib = &dev->ports[port].mib; @@ -1156,18 +1207,12 @@ void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) /* enable broadcast storm limit */ ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true); - /* disable DiffServ priority */ - ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_PRIO_ENABLE, false); - /* replace priority */ ksz_port_cfg(dev, port, REG_PORT_MRI_MAC_CTRL, PORT_USER_PRIO_CEILING, false); ksz9477_port_cfg32(dev, port, REG_PORT_MTI_QUEUE_CTRL_0__4, MTI_PVID_REPLACE, false); - /* enable 802.1p priority */ - ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true); - /* force flow control for non-PHY ports only */ ksz_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL, diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h index ce1e656b80..239a281da1 100644 --- a/drivers/net/dsa/microchip/ksz9477.h +++ b/drivers/net/dsa/microchip/ksz9477.h @@ -36,6 +36,8 @@ int ksz9477_port_mirror_add(struct ksz_device *dev, int port, bool ingress, struct netlink_ext_ack *extack); void ksz9477_port_mirror_del(struct ksz_device *dev, int port, struct dsa_mall_mirror_tc_entry *mirror); +int ksz9477_errata_monitor(struct ksz_device *dev, int port, + u64 tx_late_col); void ksz9477_get_caps(struct ksz_device *dev, int port, struct phylink_config *config); int ksz9477_fdb_dump(struct ksz_device *dev, int port, diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h index fb124be8ed..d5354c600e 100644 --- a/drivers/net/dsa/microchip/ksz9477_reg.h +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -843,8 +843,8 @@ #define REG_PORT_STATUS_0 0x0030 -#define PORT_INTF_SPEED_M 0x3 -#define PORT_INTF_SPEED_S 3 +#define PORT_INTF_SPEED_MASK GENMASK(4, 3) +#define PORT_INTF_SPEED_NONE GENMASK(1, 0) #define PORT_INTF_FULL_DUPLEX BIT(2) #define PORT_TX_FLOW_CTRL BIT(1) #define PORT_RX_FLOW_CTRL BIT(0) @@ -1168,6 +1168,11 @@ #define PORT_RMII_CLK_SEL BIT(7) #define PORT_MII_SEL_EDGE BIT(5) +#define REG_PMAVBC 0x03AC + +#define PMAVBC_MASK GENMASK(26, 16) +#define PMAVBC_MIN 0x580 + /* 4 - MAC */ #define REG_PORT_MAC_CTRL_0 0x0400 @@ -1495,6 +1500,7 @@ #define PORT_QM_TX_CNT_USED_S 0 #define PORT_QM_TX_CNT_M (BIT(11) - 1) +#define PORT_QM_TX_CNT_MAX 0x200 #define REG_PORT_QM_TX_CNT_1__4 0x0A14 diff --git a/drivers/net/dsa/microchip/ksz9477_tc_flower.c b/drivers/net/dsa/microchip/ksz9477_tc_flower.c index 8b2f5be667..ca7830ab16 100644 --- a/drivers/net/dsa/microchip/ksz9477_tc_flower.c +++ b/drivers/net/dsa/microchip/ksz9477_tc_flower.c @@ -124,6 +124,9 @@ static int ksz9477_flower_parse_key(struct ksz_device *dev, int port, return -EOPNOTSUPP; } + if (flow_rule_match_has_control_flags(rule, extack)) + return -EOPNOTSUPP; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) || flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { ret = ksz9477_flower_parse_key_l2(dev, port, extack, rule, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index e54f83a2e7..baa1eeb9a1 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -24,10 +24,12 @@ #include <linux/of_net.h> #include <linux/micrel_phy.h> #include <net/dsa.h> +#include <net/ieee8021q.h> #include <net/pkt_cls.h> #include <net/switchdev.h> #include "ksz_common.h" +#include "ksz_dcb.h" #include "ksz_ptp.h" #include "ksz8.h" #include "ksz9477.h" @@ -253,6 +255,28 @@ static const struct ksz_drive_strength ksz8830_drive_strengths[] = { { KSZ8873_DRIVE_STRENGTH_16MA, 16000 }, }; +static void ksz8830_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state); +static void ksz_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state); +static void ksz_phylink_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface); + +static const struct phylink_mac_ops ksz8830_phylink_mac_ops = { + .mac_config = ksz8830_phylink_mac_config, + .mac_link_down = ksz_phylink_mac_link_down, + .mac_link_up = ksz8_phylink_mac_link_up, +}; + +static const struct phylink_mac_ops ksz8_phylink_mac_ops = { + .mac_config = ksz_phylink_mac_config, + .mac_link_down = ksz_phylink_mac_link_down, + .mac_link_up = ksz8_phylink_mac_link_up, +}; + static const struct ksz_dev_ops ksz8_dev_ops = { .setup = ksz8_setup, .get_port_addr = ksz8_get_port_addr, @@ -277,7 +301,6 @@ 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, @@ -286,13 +309,19 @@ static const struct ksz_dev_ops ksz8_dev_ops = { .change_mtu = ksz8_change_mtu, }; -static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port, +static void ksz9477_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, + int speed, int duplex, bool tx_pause, bool rx_pause); +static const struct phylink_mac_ops ksz9477_phylink_mac_ops = { + .mac_config = ksz_phylink_mac_config, + .mac_link_down = ksz_phylink_mac_link_down, + .mac_link_up = ksz9477_phylink_mac_link_up, +}; + static const struct ksz_dev_ops ksz9477_dev_ops = { .setup = ksz9477_setup, .get_port_addr = ksz9477_get_port_addr, @@ -319,7 +348,6 @@ static const struct ksz_dev_ops ksz9477_dev_ops = { .mdb_add = ksz9477_mdb_add, .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, @@ -331,6 +359,12 @@ static const struct ksz_dev_ops ksz9477_dev_ops = { .exit = ksz9477_switch_exit, }; +static const struct phylink_mac_ops lan937x_phylink_mac_ops = { + .mac_config = ksz_phylink_mac_config, + .mac_link_down = ksz_phylink_mac_link_down, + .mac_link_up = ksz9477_phylink_mac_link_up, +}; + static const struct ksz_dev_ops lan937x_dev_ops = { .setup = lan937x_setup, .teardown = lan937x_teardown, @@ -359,7 +393,6 @@ static const struct ksz_dev_ops lan937x_dev_ops = { .mdb_add = ksz9477_mdb_add, .mdb_del = ksz9477_mdb_del, .change_mtu = lan937x_change_mtu, - .phylink_mac_link_up = ksz9477_phylink_mac_link_up, .config_cpu_port = lan937x_config_cpu_port, .tc_cbs_set_cinc = lan937x_tc_cbs_set_cinc, .enable_stp_addr = ksz9477_enable_stp_addr, @@ -1194,9 +1227,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 3, /* total port count */ .port_nirqs = 3, .num_tx_queues = 4, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1223,7 +1257,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .num_tx_queues = 4, + .num_ipms = 4, .ops = &ksz8_dev_ops, + .phylink_mac_ops = &ksz8_phylink_mac_ops, .ksz87xx_eee_link_erratum = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1262,7 +1298,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .num_tx_queues = 4, + .num_ipms = 4, .ops = &ksz8_dev_ops, + .phylink_mac_ops = &ksz8_phylink_mac_ops, .ksz87xx_eee_link_erratum = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1287,7 +1325,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total cpu and user ports */ .num_tx_queues = 4, + .num_ipms = 4, .ops = &ksz8_dev_ops, + .phylink_mac_ops = &ksz8_phylink_mac_ops, .ksz87xx_eee_link_erratum = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1312,7 +1352,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .cpu_ports = 0x4, /* can be configured as cpu port */ .port_cnt = 3, .num_tx_queues = 4, + .num_ipms = 4, .ops = &ksz8_dev_ops, + .phylink_mac_ops = &ksz8830_phylink_mac_ops, .mib_names = ksz88xx_mib_names, .mib_cnt = ARRAY_SIZE(ksz88xx_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1336,9 +1378,11 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 7, /* total physical port count */ .port_nirqs = 4, .num_tx_queues = 4, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, + .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1370,7 +1414,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 6, /* total physical port count */ .port_nirqs = 2, .num_tx_queues = 4, + .num_ipms = 8, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, + .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1402,7 +1449,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 7, /* total physical port count */ .port_nirqs = 2, .num_tx_queues = 4, + .num_ipms = 8, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, + .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1432,7 +1482,9 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 3, /* total port count */ .port_nirqs = 2, .num_tx_queues = 4, + .num_ipms = 8, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1458,9 +1510,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 3, /* total port count */ .port_nirqs = 3, .num_tx_queues = 4, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1486,9 +1539,11 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 7, /* total port count */ .port_nirqs = 3, .num_tx_queues = 4, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &ksz9477_dev_ops, + .phylink_mac_ops = &ksz9477_phylink_mac_ops, + .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1519,8 +1574,8 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 7, /* total physical port count */ .port_nirqs = 3, .num_tx_queues = 4, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &ksz9477_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1551,9 +1606,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 5, /* total physical port count */ .port_nirqs = 6, .num_tx_queues = 8, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &lan937x_dev_ops, + .phylink_mac_ops = &lan937x_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1578,9 +1634,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 6, /* total physical port count */ .port_nirqs = 6, .num_tx_queues = 8, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &lan937x_dev_ops, + .phylink_mac_ops = &lan937x_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1605,9 +1662,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 8, /* total physical port count */ .port_nirqs = 6, .num_tx_queues = 8, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &lan937x_dev_ops, + .phylink_mac_ops = &lan937x_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1636,9 +1694,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 5, /* total physical port count */ .port_nirqs = 6, .num_tx_queues = 8, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &lan937x_dev_ops, + .phylink_mac_ops = &lan937x_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1667,9 +1726,10 @@ const struct ksz_chip_data ksz_switch_chips[] = { .port_cnt = 8, /* total physical port count */ .port_nirqs = 6, .num_tx_queues = 8, + .num_ipms = 8, .tc_cbs_supported = true, - .tc_ets_supported = true, .ops = &lan937x_dev_ops, + .phylink_mac_ops = &lan937x_phylink_mac_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), .reg_mib_cnt = MIB_COUNTER_NUM, @@ -1764,6 +1824,7 @@ void ksz_r_mib_stats64(struct ksz_device *dev, int port) struct rtnl_link_stats64 *stats; struct ksz_stats_raw *raw; struct ksz_port_mib *mib; + int ret; mib = &dev->ports[port].mib; stats = &mib->stats64; @@ -1805,6 +1866,12 @@ void ksz_r_mib_stats64(struct ksz_device *dev, int port) pstats->rx_pause_frames = raw->rx_pause; spin_unlock(&mib->stats64_lock); + + if (dev->info->phy_errata_9477) { + ret = ksz9477_errata_monitor(dev, port, raw->tx_late_col); + if (ret) + dev_err(dev->dev, "Failed to monitor transmission halt\n"); + } } void ksz88xx_r_mib_stats64(struct ksz_device *dev, int port) @@ -2304,6 +2371,7 @@ static int ksz_setup(struct dsa_switch *ds) ksz_init_mib_timer(dev); ds->configure_vlan_while_not_filtering = false; + ds->dscp_prio_mapping_is_global = true; if (dev->dev_ops->setup) { ret = dev->dev_ops->setup(ds); @@ -2347,6 +2415,10 @@ static int ksz_setup(struct dsa_switch *ds) goto out_ptp_clock_unregister; } + ret = ksz_dcb_init(dev); + if (ret) + goto out_ptp_clock_unregister; + /* start switch */ regmap_update_bits(ksz_regmap_8(dev), regs[S_START_CTRL], SW_START, SW_START); @@ -2523,14 +2595,15 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port) return 0; } -static void ksz_mac_link_down(struct dsa_switch *ds, int port, - unsigned int mode, phy_interface_t interface) +static void ksz_phylink_mac_link_down(struct phylink_config *config, + unsigned int mode, + phy_interface_t interface) { - struct ksz_device *dev = ds->priv; - struct ksz_port *p = &dev->ports[port]; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ksz_device *dev = dp->ds->priv; /* Read all MIB counters when the link is going down. */ - p->read = true; + dev->ports[dp->index].read = true; /* timer started */ if (dev->mib_read_interval) schedule_delayed_work(&dev->mib_read, 0); @@ -2660,9 +2733,33 @@ static int ksz_port_mdb_del(struct dsa_switch *ds, int port, return dev->dev_ops->mdb_del(dev, port, mdb, db); } +static int ksz9477_set_default_prio_queue_mapping(struct ksz_device *dev, + int port) +{ + u32 queue_map = 0; + int ipm; + + for (ipm = 0; ipm < dev->info->num_ipms; ipm++) { + int queue; + + /* Traffic Type (TT) is corresponding to the Internal Priority + * Map (IPM) in the switch. Traffic Class (TC) is + * corresponding to the queue in the switch. + */ + queue = ieee8021q_tt_to_tc(ipm, dev->info->num_tx_queues); + if (queue < 0) + return queue; + + queue_map |= queue << (ipm * KSZ9477_PORT_TC_MAP_S); + } + + return ksz_pwrite32(dev, port, KSZ9477_PORT_MRI_TC_MAP__4, queue_map); +} + static int ksz_port_setup(struct dsa_switch *ds, int port) { struct ksz_device *dev = ds->priv; + int ret; if (!dsa_is_user_port(ds, port)) return 0; @@ -2670,11 +2767,17 @@ static int ksz_port_setup(struct dsa_switch *ds, int port) /* setup user port */ dev->dev_ops->port_setup(dev, port, false); + if (!is_ksz8(dev)) { + ret = ksz9477_set_default_prio_queue_mapping(dev, port); + if (ret) + return ret; + } + /* port_stp_state_set() will be called after to enable the port so * there is no need to do anything. */ - return 0; + return ksz_dcb_init_port(dev, port); } void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state) @@ -3065,16 +3168,23 @@ phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit) return interface; } -static void ksz_phylink_mac_config(struct dsa_switch *ds, int port, +static void ksz8830_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) +{ + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ksz_device *dev = dp->ds->priv; + + dev->ports[dp->index].manual_flow = !(state->pause & MLO_PAUSE_AN); +} + +static void ksz_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct ksz_device *dev = ds->priv; - - if (ksz_is_ksz88x3(dev)) { - dev->ports[port].manual_flow = !(state->pause & MLO_PAUSE_AN); - return; - } + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ksz_device *dev = dp->ds->priv; + int port = dp->index; /* Internal PHYs */ if (dev->info->internal_phy[port]) @@ -3087,9 +3197,6 @@ static void ksz_phylink_mac_config(struct dsa_switch *ds, int port, ksz_set_xmii(dev, port, state->interface); - if (dev->dev_ops->phylink_mac_config) - dev->dev_ops->phylink_mac_config(dev, port, mode, state); - if (dev->dev_ops->setup_rgmii_delay) dev->dev_ops->setup_rgmii_delay(dev, port); } @@ -3187,13 +3294,16 @@ static void ksz_duplex_flowctrl(struct ksz_device *dev, int port, int duplex, ksz_prmw8(dev, port, regs[P_XMII_CTRL_0], mask, val); } -static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port, +static void ksz9477_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, + int speed, int duplex, bool tx_pause, bool rx_pause) { + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ksz_device *dev = dp->ds->priv; + int port = dp->index; struct ksz_port *p; p = &dev->ports[port]; @@ -3209,18 +3319,6 @@ static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port, ksz_duplex_flowctrl(dev, port, duplex, tx_pause, rx_pause); } -static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, bool rx_pause) -{ - struct ksz_device *dev = ds->priv; - - 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) { u8 id1, id2, id4; @@ -3522,7 +3620,7 @@ static int ksz_tc_ets_add(struct ksz_device *dev, int port, for (tc_prio = 0; tc_prio < ARRAY_SIZE(p->priomap); tc_prio++) { int queue; - if (tc_prio > KSZ9477_MAX_TC_PRIO) + if (tc_prio >= dev->info->num_ipms) break; queue = ksz_ets_band_to_queue(p, p->priomap[tc_prio]); @@ -3534,8 +3632,7 @@ static int ksz_tc_ets_add(struct ksz_device *dev, int port, static int ksz_tc_ets_del(struct ksz_device *dev, int port) { - int ret, queue, tc_prio, s; - u32 queue_map = 0; + int ret, queue; /* To restore the default chip configuration, set all queues to use the * WRR scheduler with a weight of 1. @@ -3547,31 +3644,10 @@ static int ksz_tc_ets_del(struct ksz_device *dev, int port) return ret; } - switch (dev->info->num_tx_queues) { - case 2: - s = 2; - break; - case 4: - s = 1; - break; - case 8: - s = 0; - break; - default: - return -EINVAL; - } - /* Revert the queue mapping for TC-priority to its default setting on * the chip. */ - for (tc_prio = 0; tc_prio <= KSZ9477_MAX_TC_PRIO; tc_prio++) { - int queue; - - queue = tc_prio >> s; - queue_map |= queue << (tc_prio * KSZ9477_PORT_TC_MAP_S); - } - - return ksz_pwrite32(dev, port, KSZ9477_PORT_MRI_TC_MAP__4, queue_map); + return ksz9477_set_default_prio_queue_mapping(dev, port); } static int ksz_tc_ets_validate(struct ksz_device *dev, int port, @@ -3616,7 +3692,7 @@ static int ksz_tc_setup_qdisc_ets(struct dsa_switch *ds, int port, struct ksz_device *dev = ds->priv; int ret; - if (!dev->info->tc_ets_supported) + if (is_ksz8(dev)) return -EOPNOTSUPP; if (qopt->parent != TC_H_ROOT) { @@ -3841,6 +3917,13 @@ static int ksz_hsr_join(struct dsa_switch *ds, int port, struct net_device *hsr, return -EOPNOTSUPP; } + /* KSZ9477 can only perform HSR offloading for up to two ports */ + if (hweight8(dev->hsr_ports) >= 2) { + NL_SET_ERR_MSG_MOD(extack, + "Cannot offload more than two ports - using software HSR"); + return -EOPNOTSUPP; + } + /* Self MAC address filtering, to avoid frames traversing * the HSR ring more than once. */ @@ -3881,9 +3964,6 @@ static const struct dsa_switch_ops ksz_switch_ops = { .phy_read = ksz_phy_read16, .phy_write = ksz_phy_write16, .phylink_get_caps = ksz_phylink_get_caps, - .phylink_mac_config = ksz_phylink_mac_config, - .phylink_mac_link_up = ksz_phylink_mac_link_up, - .phylink_mac_link_down = ksz_mac_link_down, .port_setup = ksz_port_setup, .set_ageing_time = ksz_set_ageing_time, .get_strings = ksz_get_strings, @@ -3925,6 +4005,13 @@ static const struct dsa_switch_ops ksz_switch_ops = { .port_setup_tc = ksz_setup_tc, .get_mac_eee = ksz_get_mac_eee, .set_mac_eee = ksz_set_mac_eee, + .port_get_default_prio = ksz_port_get_default_prio, + .port_set_default_prio = ksz_port_set_default_prio, + .port_get_dscp_prio = ksz_port_get_dscp_prio, + .port_add_dscp_prio = ksz_port_add_dscp_prio, + .port_del_dscp_prio = ksz_port_del_dscp_prio, + .port_get_apptrust = ksz_port_get_apptrust, + .port_set_apptrust = ksz_port_set_apptrust, }; struct ksz_device *ksz_switch_alloc(struct device *base, void *priv) @@ -4328,6 +4415,9 @@ int ksz_switch_register(struct ksz_device *dev) /* set the real number of ports */ dev->ds->num_ports = dev->info->port_cnt; + /* set the phylink ops */ + dev->ds->phylink_mac_ops = dev->info->phylink_mac_ops; + /* Host port interface will be self detected, or specifically set in * device tree. */ diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 40c11b0d6b..ee7db46e46 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -19,9 +19,13 @@ #include "ksz_ptp.h" #define KSZ_MAX_NUM_PORTS 8 +/* all KSZ switches count ports from 1 */ +#define KSZ_PORT_1 0 +#define KSZ_PORT_2 1 struct ksz_device; struct ksz_port; +struct phylink_mac_ops; enum ksz_regmap_width { KSZ_REGMAP_8, @@ -58,9 +62,11 @@ struct ksz_chip_data { int port_cnt; u8 port_nirqs; u8 num_tx_queues; + u8 num_ipms; /* number of Internal Priority Maps */ bool tc_cbs_supported; - bool tc_ets_supported; const struct ksz_dev_ops *ops; + const struct phylink_mac_ops *phylink_mac_ops; + bool phy_errata_9477; bool ksz87xx_eee_link_erratum; const struct ksz_mib_names *mib_names; int mib_cnt; @@ -349,9 +355,6 @@ struct ksz_dev_ops { int (*change_mtu)(struct ksz_device *dev, int port, int mtu); void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze); void (*port_init_cnt)(struct ksz_device *dev, int port); - void (*phylink_mac_config)(struct ksz_device *dev, int port, - unsigned int mode, - const struct phylink_link_state *state); void (*phylink_mac_link_up)(struct ksz_device *dev, int port, unsigned int mode, phy_interface_t interface, @@ -620,6 +623,11 @@ static inline bool ksz_is_ksz88x3(struct ksz_device *dev) return dev->chip_id == KSZ8830_CHIP_ID; } +static inline bool is_ksz8(struct ksz_device *dev) +{ + return ksz_is_ksz87xx(dev) || ksz_is_ksz88x3(dev); +} + static inline int is_lan937x(struct ksz_device *dev) { return dev->chip_id == LAN9370_CHIP_ID || @@ -722,7 +730,6 @@ static inline int is_lan937x(struct ksz_device *dev) #define KSZ9477_PORT_MRI_TC_MAP__4 0x0808 #define KSZ9477_PORT_TC_MAP_S 4 -#define KSZ9477_MAX_TC_PRIO 7 /* CBS related registers */ #define REG_PORT_MTI_QUEUE_INDEX__4 0x0900 diff --git a/drivers/net/dsa/microchip/ksz_dcb.c b/drivers/net/dsa/microchip/ksz_dcb.c new file mode 100644 index 0000000000..086bc9b3cf --- /dev/null +++ b/drivers/net/dsa/microchip/ksz_dcb.c @@ -0,0 +1,819 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2024 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> + +#include <linux/dsa/ksz_common.h> +#include <net/dsa.h> +#include <net/dscp.h> +#include <net/ieee8021q.h> + +#include "ksz_common.h" +#include "ksz_dcb.h" +#include "ksz8.h" + +#define KSZ8_REG_PORT_1_CTRL_0 0x10 +#define KSZ8_PORT_DIFFSERV_ENABLE BIT(6) +#define KSZ8_PORT_802_1P_ENABLE BIT(5) +#define KSZ8_PORT_BASED_PRIO_M GENMASK(4, 3) + +#define KSZ88X3_REG_TOS_DSCP_CTRL 0x60 +#define KSZ8765_REG_TOS_DSCP_CTRL 0x90 + +#define KSZ9477_REG_SW_MAC_TOS_CTRL 0x033e +#define KSZ9477_SW_TOS_DSCP_REMAP BIT(0) +#define KSZ9477_SW_TOS_DSCP_DEFAULT_PRIO_M GENMASK(5, 3) + +#define KSZ9477_REG_DIFFSERV_PRIO_MAP 0x0340 + +#define KSZ9477_REG_PORT_MRI_PRIO_CTRL 0x0801 +#define KSZ9477_PORT_HIGHEST_PRIO BIT(7) +#define KSZ9477_PORT_OR_PRIO BIT(6) +#define KSZ9477_PORT_MAC_PRIO_ENABLE BIT(4) +#define KSZ9477_PORT_VLAN_PRIO_ENABLE BIT(3) +#define KSZ9477_PORT_802_1P_PRIO_ENABLE BIT(2) +#define KSZ9477_PORT_DIFFSERV_PRIO_ENABLE BIT(1) +#define KSZ9477_PORT_ACL_PRIO_ENABLE BIT(0) + +#define KSZ9477_REG_PORT_MRI_MAC_CTRL 0x0802 +#define KSZ9477_PORT_BASED_PRIO_M GENMASK(2, 0) + +struct ksz_apptrust_map { + u8 apptrust; + u8 bit; +}; + +static const struct ksz_apptrust_map ksz8_apptrust_map_to_bit[] = { + { DCB_APP_SEL_PCP, KSZ8_PORT_802_1P_ENABLE }, + { IEEE_8021QAZ_APP_SEL_DSCP, KSZ8_PORT_DIFFSERV_ENABLE }, +}; + +static const struct ksz_apptrust_map ksz9477_apptrust_map_to_bit[] = { + { DCB_APP_SEL_PCP, KSZ9477_PORT_802_1P_PRIO_ENABLE }, + { IEEE_8021QAZ_APP_SEL_DSCP, KSZ9477_PORT_DIFFSERV_PRIO_ENABLE }, +}; + +/* ksz_supported_apptrust[] - Supported apptrust selectors and Priority Order + * of Internal Priority Map (IPM) sources. + * + * This array defines the apptrust selectors supported by the hardware, where + * the index within the array indicates the priority of the selector - lower + * indices correspond to higher priority. This fixed priority scheme is due to + * the hardware's design, which does not support configurable priority among + * different priority sources. + * + * The priority sources, including Tail Tag, ACL, VLAN PCP and DSCP are ordered + * by the hardware's fixed logic, as detailed below. The order reflects a + * non-configurable precedence where certain types of priority information + * override others: + * + * 1. Tail Tag - Highest priority, overrides ACL, VLAN PCP, and DSCP priorities. + * 2. ACL - Overrides VLAN PCP and DSCP priorities. + * 3. VLAN PCP - Overrides DSCP priority. + * 4. DSCP - Lowest priority, does not override any other priority source. + * + * In this context, the array's lower index (higher priority) for + * 'DCB_APP_SEL_PCP' suggests its relative priority over + * 'IEEE_8021QAZ_APP_SEL_DSCP' within the system's fixed priority scheme. + * + * DCB_APP_SEL_PCP - Priority Code Point selector + * IEEE_8021QAZ_APP_SEL_DSCP - Differentiated Services Code Point selector + */ +static const u8 ksz_supported_apptrust[] = { + DCB_APP_SEL_PCP, + IEEE_8021QAZ_APP_SEL_DSCP, +}; + +static const char * const ksz_supported_apptrust_variants[] = { + "empty", "dscp", "pcp", "dscp pcp" +}; + +static void ksz_get_default_port_prio_reg(struct ksz_device *dev, int *reg, + u8 *mask, int *shift) +{ + if (is_ksz8(dev)) { + *reg = KSZ8_REG_PORT_1_CTRL_0; + *mask = KSZ8_PORT_BASED_PRIO_M; + *shift = __bf_shf(KSZ8_PORT_BASED_PRIO_M); + } else { + *reg = KSZ9477_REG_PORT_MRI_MAC_CTRL; + *mask = KSZ9477_PORT_BASED_PRIO_M; + *shift = __bf_shf(KSZ9477_PORT_BASED_PRIO_M); + } +} + +/** + * ksz_get_dscp_prio_reg - Retrieves the DSCP-to-priority-mapping register + * @dev: Pointer to the KSZ switch device structure + * @reg: Pointer to the register address to be set + * @per_reg: Pointer to the number of DSCP values per register + * @mask: Pointer to the mask to be set + * + * This function retrieves the DSCP to priority mapping register, the number of + * DSCP values per register, and the mask to be set. + */ +static void ksz_get_dscp_prio_reg(struct ksz_device *dev, int *reg, + int *per_reg, u8 *mask) +{ + if (ksz_is_ksz87xx(dev)) { + *reg = KSZ8765_REG_TOS_DSCP_CTRL; + *per_reg = 4; + *mask = GENMASK(1, 0); + } else if (ksz_is_ksz88x3(dev)) { + *reg = KSZ88X3_REG_TOS_DSCP_CTRL; + *per_reg = 4; + *mask = GENMASK(1, 0); + } else { + *reg = KSZ9477_REG_DIFFSERV_PRIO_MAP; + *per_reg = 2; + *mask = GENMASK(2, 0); + } +} + +/** + * ksz_get_apptrust_map_and_reg - Retrieves the apptrust map and register + * @dev: Pointer to the KSZ switch device structure + * @map: Pointer to the apptrust map to be set + * @reg: Pointer to the register address to be set + * @mask: Pointer to the mask to be set + * + * This function retrieves the apptrust map and register address for the + * apptrust configuration. + */ +static void ksz_get_apptrust_map_and_reg(struct ksz_device *dev, + const struct ksz_apptrust_map **map, + int *reg, u8 *mask) +{ + if (is_ksz8(dev)) { + *map = ksz8_apptrust_map_to_bit; + *reg = KSZ8_REG_PORT_1_CTRL_0; + *mask = KSZ8_PORT_DIFFSERV_ENABLE | KSZ8_PORT_802_1P_ENABLE; + } else { + *map = ksz9477_apptrust_map_to_bit; + *reg = KSZ9477_REG_PORT_MRI_PRIO_CTRL; + *mask = KSZ9477_PORT_802_1P_PRIO_ENABLE | + KSZ9477_PORT_DIFFSERV_PRIO_ENABLE; + } +} + +/** + * ksz_port_get_default_prio - Retrieves the default priority for a port on a + * KSZ switch + * @ds: Pointer to the DSA switch structure + * @port: Port number from which to get the default priority + * + * This function fetches the default priority for the specified port on a KSZ + * switch. + * + * Return: The default priority of the port on success, or a negative error + * code on failure. + */ +int ksz_port_get_default_prio(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + int ret, reg, shift; + u8 data, mask; + + ksz_get_default_port_prio_reg(dev, ®, &mask, &shift); + + ret = ksz_pread8(dev, port, reg, &data); + if (ret) + return ret; + + return (data & mask) >> shift; +} + +/** + * ksz88x3_port_set_default_prio_quirks - Quirks for default priority + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to set the default priority + * @prio: Priority value to set + * + * This function implements quirks for setting the default priority on KSZ88x3 + * devices. On Port 2, no other priority providers are working + * except of PCP. So, configuring default priority on Port 2 is not possible. + * On Port 1, it is not possible to configure port priority if PCP + * apptrust on Port 2 is disabled. Since we disable multiple queues on the + * switch to disable PCP on Port 2, we need to ensure that the default priority + * configuration on Port 1 is in agreement with the configuration on Port 2. + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz88x3_port_set_default_prio_quirks(struct ksz_device *dev, int port, + u8 prio) +{ + if (!prio) + return 0; + + if (port == KSZ_PORT_2) { + dev_err(dev->dev, "Port priority configuration is not working on Port 2\n"); + return -EINVAL; + } else if (port == KSZ_PORT_1) { + u8 port2_data; + int ret; + + ret = ksz_pread8(dev, KSZ_PORT_2, KSZ8_REG_PORT_1_CTRL_0, + &port2_data); + if (ret) + return ret; + + if (!(port2_data & KSZ8_PORT_802_1P_ENABLE)) { + dev_err(dev->dev, "Not possible to configure port priority on Port 1 if PCP apptrust on Port 2 is disabled\n"); + return -EINVAL; + } + } + + return 0; +} + +/** + * ksz_port_set_default_prio - Sets the default priority for a port on a KSZ + * switch + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to set the default priority + * @prio: Priority value to set + * + * This function sets the default priority for the specified port on a KSZ + * switch. + * + * Return: 0 on success, or a negative error code on failure. + */ +int ksz_port_set_default_prio(struct dsa_switch *ds, int port, u8 prio) +{ + struct ksz_device *dev = ds->priv; + int reg, shift, ret; + u8 mask; + + if (prio >= dev->info->num_ipms) + return -EINVAL; + + if (ksz_is_ksz88x3(dev)) { + ret = ksz88x3_port_set_default_prio_quirks(dev, port, prio); + if (ret) + return ret; + } + + ksz_get_default_port_prio_reg(dev, ®, &mask, &shift); + + return ksz_prmw8(dev, port, reg, mask, (prio << shift) & mask); +} + +/** + * ksz_port_get_dscp_prio - Retrieves the priority for a DSCP value on a KSZ + * switch + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to get the priority + * @dscp: DSCP value for which to get the priority + * + * This function fetches the priority value from switch global DSCP-to-priorty + * mapping table for the specified DSCP value. + * + * Return: The priority value for the DSCP on success, or a negative error + * code on failure. + */ +int ksz_port_get_dscp_prio(struct dsa_switch *ds, int port, u8 dscp) +{ + struct ksz_device *dev = ds->priv; + int reg, per_reg, ret, shift; + u8 data, mask; + + ksz_get_dscp_prio_reg(dev, ®, &per_reg, &mask); + + /* If DSCP remapping is disabled, DSCP bits 3-5 are used as Internal + * Priority Map (IPM) + */ + if (!is_ksz8(dev)) { + ret = ksz_read8(dev, KSZ9477_REG_SW_MAC_TOS_CTRL, &data); + if (ret) + return ret; + + /* If DSCP remapping is disabled, DSCP bits 3-5 are used as + * Internal Priority Map (IPM) + */ + if (!(data & KSZ9477_SW_TOS_DSCP_REMAP)) + return FIELD_GET(KSZ9477_SW_TOS_DSCP_DEFAULT_PRIO_M, + dscp); + } + + /* In case DSCP remapping is enabled, we need to write the DSCP to + * priority mapping table. + */ + reg += dscp / per_reg; + ret = ksz_read8(dev, reg, &data); + if (ret) + return ret; + + shift = (dscp % per_reg) * (8 / per_reg); + + return (data >> shift) & mask; +} + +/** + * ksz_set_global_dscp_entry - Sets the global DSCP-to-priority mapping entry + * @dev: Pointer to the KSZ switch device structure + * @dscp: DSCP value for which to set the priority + * @ipm: Priority value to set + * + * This function sets the global DSCP-to-priority mapping entry for the + * specified DSCP value. + * + * Return: 0 on success, or a negative error code on failure. + */ +static int ksz_set_global_dscp_entry(struct ksz_device *dev, u8 dscp, u8 ipm) +{ + int reg, per_reg, shift; + u8 mask; + + ksz_get_dscp_prio_reg(dev, ®, &per_reg, &mask); + + shift = (dscp % per_reg) * (8 / per_reg); + + return ksz_rmw8(dev, reg + (dscp / per_reg), mask << shift, + ipm << shift); +} + +/** + * ksz_init_global_dscp_map - Initializes the global DSCP-to-priority mapping + * @dev: Pointer to the KSZ switch device structure + * + * This function initializes the global DSCP-to-priority mapping table for the + * switch. + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz_init_global_dscp_map(struct ksz_device *dev) +{ + int ret, dscp; + + /* On KSZ9xxx variants, DSCP remapping is disabled by default. + * Enable to have, predictable and reproducible behavior across + * different devices. + */ + if (!is_ksz8(dev)) { + ret = ksz_rmw8(dev, KSZ9477_REG_SW_MAC_TOS_CTRL, + KSZ9477_SW_TOS_DSCP_REMAP, + KSZ9477_SW_TOS_DSCP_REMAP); + if (ret) + return ret; + } + + for (dscp = 0; dscp < DSCP_MAX; dscp++) { + int ipm, tt; + + /* Map DSCP to Traffic Type, which is corresponding to the + * Internal Priority Map (IPM) in the switch. + */ + if (!is_ksz8(dev)) { + ipm = ietf_dscp_to_ieee8021q_tt(dscp); + } else { + /* On KSZ8xxx variants we do not have IPM to queue + * remapping table. We need to convert DSCP to Traffic + * Type and then to queue. + */ + tt = ietf_dscp_to_ieee8021q_tt(dscp); + if (tt < 0) + return tt; + + ipm = ieee8021q_tt_to_tc(tt, dev->info->num_tx_queues); + } + + if (ipm < 0) + return ipm; + + ret = ksz_set_global_dscp_entry(dev, dscp, ipm); + } + + return 0; +} + +/** + * ksz_port_add_dscp_prio - Adds a DSCP-to-priority mapping entry for a port on + * a KSZ switch. + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to add the DSCP-to-priority mapping entry + * @dscp: DSCP value for which to add the priority + * @prio: Priority value to set + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_port_add_dscp_prio(struct dsa_switch *ds, int port, u8 dscp, u8 prio) +{ + struct ksz_device *dev = ds->priv; + + if (prio >= dev->info->num_ipms) + return -ERANGE; + + return ksz_set_global_dscp_entry(dev, dscp, prio); +} + +/** + * ksz_port_del_dscp_prio - Deletes a DSCP-to-priority mapping entry for a port + * on a KSZ switch. + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to delete the DSCP-to-priority mapping entry + * @dscp: DSCP value for which to delete the priority + * @prio: Priority value to delete + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_port_del_dscp_prio(struct dsa_switch *ds, int port, u8 dscp, u8 prio) +{ + struct ksz_device *dev = ds->priv; + int ipm; + + if (ksz_port_get_dscp_prio(ds, port, dscp) != prio) + return 0; + + if (is_ksz8(dev)) { + ipm = ieee8021q_tt_to_tc(IEEE8021Q_TT_BE, + dev->info->num_tx_queues); + if (ipm < 0) + return ipm; + } else { + ipm = IEEE8021Q_TT_BE; + } + + return ksz_set_global_dscp_entry(dev, dscp, ipm); +} + +/** + * ksz_apptrust_error - Prints an error message for an invalid apptrust selector + * @dev: Pointer to the KSZ switch device structure + * + * This function prints an error message when an invalid apptrust selector is + * provided. + */ +static void ksz_apptrust_error(struct ksz_device *dev) +{ + char supported_apptrust_variants[64]; + int i; + + supported_apptrust_variants[0] = '\0'; + for (i = 0; i < ARRAY_SIZE(ksz_supported_apptrust_variants); i++) { + if (i > 0) + strlcat(supported_apptrust_variants, ", ", + sizeof(supported_apptrust_variants)); + strlcat(supported_apptrust_variants, + ksz_supported_apptrust_variants[i], + sizeof(supported_apptrust_variants)); + } + + dev_err(dev->dev, "Invalid apptrust selector or priority order. Supported: %s\n", + supported_apptrust_variants); +} + +/** + * ksz_port_set_apptrust_validate - Validates the apptrust selectors + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to set the apptrust selectors + * @sel: Array of apptrust selectors to validate + * @nsel: Number of apptrust selectors in the array + * + * This function validates the apptrust selectors provided and ensures that + * they are in the correct order. + * + * This family of switches supports two apptrust selectors: DCB_APP_SEL_PCP and + * IEEE_8021QAZ_APP_SEL_DSCP. The priority order of the selectors is fixed and + * cannot be changed. The order is as follows: + * 1. DCB_APP_SEL_PCP - Priority Code Point selector (highest priority) + * 2. IEEE_8021QAZ_APP_SEL_DSCP - Differentiated Services Code Point selector + * (lowest priority) + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz_port_set_apptrust_validate(struct ksz_device *dev, int port, + const u8 *sel, int nsel) +{ + int i, j, found; + int j_prev = 0; + + /* Iterate through the requested selectors */ + for (i = 0; i < nsel; i++) { + found = 0; + + /* Check if the current selector is supported by the hardware */ + for (j = 0; j < sizeof(ksz_supported_apptrust); j++) { + if (sel[i] != ksz_supported_apptrust[j]) + continue; + + found = 1; + + /* Ensure that no higher priority selector (lower index) + * precedes a lower priority one + */ + if (i > 0 && j <= j_prev) + goto err_sel_not_vaild; + + j_prev = j; + break; + } + + if (!found) + goto err_sel_not_vaild; + } + + return 0; + +err_sel_not_vaild: + ksz_apptrust_error(dev); + + return -EINVAL; +} + +/** + * ksz88x3_port1_apptrust_quirk - Quirk for apptrust configuration on Port 1 + * of KSZ88x3 devices + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to set the apptrust selectors + * @reg: Register address for the apptrust configuration + * @port1_data: Data to set for the apptrust configuration + * + * This function implements a quirk for apptrust configuration on Port 1 of + * KSZ88x3 devices. It ensures that apptrust configuration on Port 1 is not + * possible if PCP apptrust on Port 2 is disabled. This is because the Port 2 + * seems to be permanently hardwired to PCP classification, so we need to + * do Port 1 configuration always in agreement with Port 2 configuration. + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz88x3_port1_apptrust_quirk(struct ksz_device *dev, int port, + int reg, u8 port1_data) +{ + u8 port2_data; + int ret; + + /* If no apptrust is requested for Port 1, no need to care about Port 2 + * configuration. + */ + if (!(port1_data & (KSZ8_PORT_802_1P_ENABLE | KSZ8_PORT_DIFFSERV_ENABLE))) + return 0; + + /* We got request to enable any apptrust on Port 1. To make it possible, + * we need to enable multiple queues on the switch. If we enable + * multiqueue support, PCP classification on Port 2 will be + * automatically activated by HW. + */ + ret = ksz_pread8(dev, KSZ_PORT_2, reg, &port2_data); + if (ret) + return ret; + + /* If KSZ8_PORT_802_1P_ENABLE bit is set on Port 2, the driver showed + * the interest in PCP classification on Port 2. In this case, + * multiqueue support is enabled and we can enable any apptrust on + * Port 1. + * If KSZ8_PORT_802_1P_ENABLE bit is not set on Port 2, the PCP + * classification on Port 2 is still active, but the driver disabled + * multiqueue support and made frame prioritization inactive for + * all ports. In this case, we can't enable any apptrust on Port 1. + */ + if (!(port2_data & KSZ8_PORT_802_1P_ENABLE)) { + dev_err(dev->dev, "Not possible to enable any apptrust on Port 1 if PCP apptrust on Port 2 is disabled\n"); + return -EINVAL; + } + + return 0; +} + +/** + * ksz88x3_port2_apptrust_quirk - Quirk for apptrust configuration on Port 2 + * of KSZ88x3 devices + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to set the apptrust selectors + * @reg: Register address for the apptrust configuration + * @port2_data: Data to set for the apptrust configuration + * + * This function implements a quirk for apptrust configuration on Port 2 of + * KSZ88x3 devices. It ensures that DSCP apptrust is not working on Port 2 and + * that it is not possible to disable PCP on Port 2. The only way to disable PCP + * on Port 2 is to disable multiple queues on the switch. + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz88x3_port2_apptrust_quirk(struct ksz_device *dev, int port, + int reg, u8 port2_data) +{ + struct dsa_switch *ds = dev->ds; + u8 port1_data; + int ret; + + /* First validate Port 2 configuration. DiffServ/DSCP is not working + * on this port. + */ + if (port2_data & KSZ8_PORT_DIFFSERV_ENABLE) { + dev_err(dev->dev, "DSCP apptrust is not working on Port 2\n"); + return -EINVAL; + } + + /* If PCP support is requested, we need to enable all queues on the + * switch to make PCP priority working on Port 2. + */ + if (port2_data & KSZ8_PORT_802_1P_ENABLE) + return ksz8_all_queues_split(dev, dev->info->num_tx_queues); + + /* We got request to disable PCP priority on Port 2. + * Now, we need to compare Port 2 configuration with Port 1 + * configuration. + */ + ret = ksz_pread8(dev, KSZ_PORT_1, reg, &port1_data); + if (ret) + return ret; + + /* If Port 1 has any apptrust enabled, we can't disable multiple queues + * on the switch, so we can't disable PCP on Port 2. + */ + if (port1_data & (KSZ8_PORT_802_1P_ENABLE | KSZ8_PORT_DIFFSERV_ENABLE)) { + dev_err(dev->dev, "Not possible to disable PCP on Port 2 if any apptrust is enabled on Port 1\n"); + return -EINVAL; + } + + /* Now we need to ensure that default priority on Port 1 is set to 0 + * otherwise we can't disable multiqueue support on the switch. + */ + ret = ksz_port_get_default_prio(ds, KSZ_PORT_1); + if (ret < 0) { + return ret; + } else if (ret) { + dev_err(dev->dev, "Not possible to disable PCP on Port 2 if non zero default priority is set on Port 1\n"); + return -EINVAL; + } + + /* Port 1 has no apptrust or default priority set and we got request to + * disable PCP on Port 2. We can disable multiqueue support to disable + * PCP on Port 2. + */ + return ksz8_all_queues_split(dev, 1); +} + +/** + * ksz88x3_port_apptrust_quirk - Quirk for apptrust configuration on KSZ88x3 + * devices + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to set the apptrust selectors + * @reg: Register address for the apptrust configuration + * @data: Data to set for the apptrust configuration + * + * This function implements a quirk for apptrust configuration on KSZ88x3 + * devices. It ensures that apptrust configuration on Port 1 and + * Port 2 is done in agreement with each other. + * + * Return: 0 on success, or a negative error code on failure + */ +static int ksz88x3_port_apptrust_quirk(struct ksz_device *dev, int port, + int reg, u8 data) +{ + if (port == KSZ_PORT_1) + return ksz88x3_port1_apptrust_quirk(dev, port, reg, data); + else if (port == KSZ_PORT_2) + return ksz88x3_port2_apptrust_quirk(dev, port, reg, data); + + return 0; +} + +/** + * ksz_port_set_apptrust - Sets the apptrust selectors for a port on a KSZ + * switch + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to set the apptrust selectors + * @sel: Array of apptrust selectors to set + * @nsel: Number of apptrust selectors in the array + * + * This function sets the apptrust selectors for the specified port on a KSZ + * switch. + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_port_set_apptrust(struct dsa_switch *ds, int port, + const u8 *sel, int nsel) +{ + const struct ksz_apptrust_map *map; + struct ksz_device *dev = ds->priv; + int reg, i, ret; + u8 data = 0; + u8 mask; + + ret = ksz_port_set_apptrust_validate(dev, port, sel, nsel); + if (ret) + return ret; + + ksz_get_apptrust_map_and_reg(dev, &map, ®, &mask); + + for (i = 0; i < nsel; i++) { + int j; + + for (j = 0; j < ARRAY_SIZE(ksz_supported_apptrust); j++) { + if (sel[i] != ksz_supported_apptrust[j]) + continue; + + data |= map[j].bit; + break; + } + } + + if (ksz_is_ksz88x3(dev)) { + ret = ksz88x3_port_apptrust_quirk(dev, port, reg, data); + if (ret) + return ret; + } + + return ksz_prmw8(dev, port, reg, mask, data); +} + +/** + * ksz_port_get_apptrust - Retrieves the apptrust selectors for a port on a KSZ + * switch + * @ds: Pointer to the DSA switch structure + * @port: Port number for which to get the apptrust selectors + * @sel: Array to store the apptrust selectors + * @nsel: Number of apptrust selectors in the array + * + * This function fetches the apptrust selectors for the specified port on a KSZ + * switch. + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_port_get_apptrust(struct dsa_switch *ds, int port, u8 *sel, int *nsel) +{ + const struct ksz_apptrust_map *map; + struct ksz_device *dev = ds->priv; + int reg, i, ret; + u8 data; + u8 mask; + + ksz_get_apptrust_map_and_reg(dev, &map, ®, &mask); + + ret = ksz_pread8(dev, port, reg, &data); + if (ret) + return ret; + + *nsel = 0; + for (i = 0; i < ARRAY_SIZE(ksz_supported_apptrust); i++) { + if (data & map[i].bit) + sel[(*nsel)++] = ksz_supported_apptrust[i]; + } + + return 0; +} + +/** + * ksz_dcb_init_port - Initializes the DCB configuration for a port on a KSZ + * @dev: Pointer to the KSZ switch device structure + * @port: Port number for which to initialize the DCB configuration + * + * This function initializes the DCB configuration for the specified port on a + * KSZ switch. Particular DCB configuration is set for the port, including the + * default priority and apptrust selectors. + * The default priority is set to Best Effort, and the apptrust selectors are + * set to all supported selectors. + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_dcb_init_port(struct ksz_device *dev, int port) +{ + const u8 ksz_default_apptrust[] = { DCB_APP_SEL_PCP }; + int ret, ipm; + + if (is_ksz8(dev)) { + ipm = ieee8021q_tt_to_tc(IEEE8021Q_TT_BE, + dev->info->num_tx_queues); + if (ipm < 0) + return ipm; + } else { + ipm = IEEE8021Q_TT_BE; + } + + /* Set the default priority for the port to Best Effort */ + ret = ksz_port_set_default_prio(dev->ds, port, ipm); + if (ret) + return ret; + + return ksz_port_set_apptrust(dev->ds, port, ksz_default_apptrust, + ARRAY_SIZE(ksz_default_apptrust)); +} + +/** + * ksz_dcb_init - Initializes the DCB configuration for a KSZ switch + * @dev: Pointer to the KSZ switch device structure + * + * This function initializes the DCB configuration for a KSZ switch. The global + * DSCP-to-priority mapping table is initialized. + * + * Return: 0 on success, or a negative error code on failure + */ +int ksz_dcb_init(struct ksz_device *dev) +{ + int ret; + + ret = ksz_init_global_dscp_map(dev); + if (ret) + return ret; + + /* Enable 802.1p priority control on Port 2 during switch initialization. + * This setup is critical for the apptrust functionality on Port 1, which + * relies on the priority settings of Port 2. Note: Port 1 is naturally + * configured before Port 2, necessitating this configuration order. + */ + if (ksz_is_ksz88x3(dev)) + return ksz_prmw8(dev, KSZ_PORT_2, KSZ8_REG_PORT_1_CTRL_0, + KSZ8_PORT_802_1P_ENABLE, + KSZ8_PORT_802_1P_ENABLE); + + return 0; +} diff --git a/drivers/net/dsa/microchip/ksz_dcb.h b/drivers/net/dsa/microchip/ksz_dcb.h new file mode 100644 index 0000000000..e2065223ba --- /dev/null +++ b/drivers/net/dsa/microchip/ksz_dcb.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2024 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> */ + +#ifndef __KSZ_DCB_H +#define __KSZ_DCB_H + +#include <net/dsa.h> + +#include "ksz_common.h" + +int ksz_port_get_default_prio(struct dsa_switch *ds, int port); +int ksz_port_set_default_prio(struct dsa_switch *ds, int port, u8 prio); +int ksz_port_get_dscp_prio(struct dsa_switch *ds, int port, u8 dscp); +int ksz_port_add_dscp_prio(struct dsa_switch *ds, int port, u8 dscp, u8 prio); +int ksz_port_del_dscp_prio(struct dsa_switch *ds, int port, u8 dscp, u8 prio); +int ksz_port_set_apptrust(struct dsa_switch *ds, int port, + const unsigned char *sel, + int nsel); +int ksz_port_get_apptrust(struct dsa_switch *ds, int port, u8 *sel, int *nsel); +int ksz_dcb_init_port(struct ksz_device *dev, int port); +int ksz_dcb_init(struct ksz_device *dev); + +#endif /* __KSZ_DCB_H */ diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c index c8166fb440..8e8d83213b 100644 --- a/drivers/net/dsa/microchip/ksz_spi.c +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -222,7 +222,6 @@ MODULE_DEVICE_TABLE(spi, ksz_spi_ids); static struct spi_driver ksz_spi_driver = { .driver = { .name = "ksz-switch", - .owner = THIS_MODULE, .of_match_table = ksz_dt_ids, }, .id_table = ksz_spi_ids, @@ -233,13 +232,6 @@ static struct spi_driver ksz_spi_driver = { module_spi_driver(ksz_spi_driver); -MODULE_ALIAS("spi:ksz9477"); -MODULE_ALIAS("spi:ksz9896"); -MODULE_ALIAS("spi:ksz9897"); -MODULE_ALIAS("spi:ksz9893"); -MODULE_ALIAS("spi:ksz9563"); -MODULE_ALIAS("spi:ksz8563"); -MODULE_ALIAS("spi:ksz9567"); MODULE_ALIAS("spi:lan937x"); MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>"); MODULE_DESCRIPTION("Microchip ksz Series Switch SPI Driver"); diff --git a/drivers/net/dsa/mt7530-mdio.c b/drivers/net/dsa/mt7530-mdio.c index fa3ee85a99..51df42ccdb 100644 --- a/drivers/net/dsa/mt7530-mdio.c +++ b/drivers/net/dsa/mt7530-mdio.c @@ -18,7 +18,8 @@ static int mt7530_regmap_write(void *context, unsigned int reg, unsigned int val) { - struct mii_bus *bus = context; + struct mt7530_priv *priv = context; + struct mii_bus *bus = priv->bus; u16 page, r, lo, hi; int ret; @@ -27,36 +28,35 @@ mt7530_regmap_write(void *context, unsigned int reg, unsigned int val) lo = val & 0xffff; hi = val >> 16; - /* MT7530 uses 31 as the pseudo port */ - ret = bus->write(bus, 0x1f, 0x1f, page); + ret = bus->write(bus, priv->mdiodev->addr, 0x1f, page); if (ret < 0) return ret; - ret = bus->write(bus, 0x1f, r, lo); + ret = bus->write(bus, priv->mdiodev->addr, r, lo); if (ret < 0) return ret; - ret = bus->write(bus, 0x1f, 0x10, hi); + ret = bus->write(bus, priv->mdiodev->addr, 0x10, hi); return ret; } static int mt7530_regmap_read(void *context, unsigned int reg, unsigned int *val) { - struct mii_bus *bus = context; + struct mt7530_priv *priv = context; + struct mii_bus *bus = priv->bus; u16 page, r, lo, hi; int ret; page = (reg >> 6) & 0x3ff; r = (reg >> 2) & 0xf; - /* MT7530 uses 31 as the pseudo port */ - ret = bus->write(bus, 0x1f, 0x1f, page); + ret = bus->write(bus, priv->mdiodev->addr, 0x1f, page); if (ret < 0) return ret; - lo = bus->read(bus, 0x1f, r); - hi = bus->read(bus, 0x1f, 0x10); + lo = bus->read(bus, priv->mdiodev->addr, r); + hi = bus->read(bus, priv->mdiodev->addr, 0x10); *val = (hi << 16) | (lo & 0xffff); @@ -107,8 +107,7 @@ mt7531_create_sgmii(struct mt7530_priv *priv) mt7531_pcs_config[i]->unlock = mt7530_mdio_regmap_unlock; mt7531_pcs_config[i]->lock_arg = &priv->bus->mdio_lock; - regmap = devm_regmap_init(priv->dev, - &mt7530_regmap_bus, priv->bus, + regmap = devm_regmap_init(priv->dev, &mt7530_regmap_bus, priv, mt7531_pcs_config[i]); if (IS_ERR(regmap)) { ret = PTR_ERR(regmap); @@ -153,6 +152,7 @@ mt7530_probe(struct mdio_device *mdiodev) priv->bus = mdiodev->bus; priv->dev = &mdiodev->dev; + priv->mdiodev = mdiodev; ret = mt7530_probe_common(priv); if (ret) @@ -203,8 +203,8 @@ mt7530_probe(struct mdio_device *mdiodev) regmap_config->reg_stride = 4; regmap_config->max_register = MT7530_CREV; regmap_config->disable_locking = true; - priv->regmap = devm_regmap_init(priv->dev, &mt7530_regmap_bus, - priv->bus, regmap_config); + priv->regmap = devm_regmap_init(priv->dev, &mt7530_regmap_bus, priv, + regmap_config); if (IS_ERR(priv->regmap)) return PTR_ERR(priv->regmap); diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 8090390eda..598434d8d6 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -74,108 +74,94 @@ static const struct mt7530_mib_desc mt7530_mib[] = { MIB_DESC(1, 0xb8, "RxArlDrop"), }; -/* Since phy_device has not yet been created and - * phy_{read,write}_mmd_indirect is not available, we provide our own - * core_{read,write}_mmd_indirect with core_{clear,write,set} wrappers - * to complete this function. - */ -static int -core_read_mmd_indirect(struct mt7530_priv *priv, int prtad, int devad) +static void +mt7530_mutex_lock(struct mt7530_priv *priv) +{ + if (priv->bus) + mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED); +} + +static void +mt7530_mutex_unlock(struct mt7530_priv *priv) +{ + if (priv->bus) + mutex_unlock(&priv->bus->mdio_lock); +} + +static void +core_write(struct mt7530_priv *priv, u32 reg, u32 val) { struct mii_bus *bus = priv->bus; - int value, ret; + int ret; + + mt7530_mutex_lock(priv); /* Write the desired MMD Devad */ - ret = bus->write(bus, 0, MII_MMD_CTRL, devad); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_CTRL, MDIO_MMD_VEND2); if (ret < 0) goto err; /* Write the desired MMD register address */ - ret = bus->write(bus, 0, MII_MMD_DATA, prtad); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_DATA, reg); if (ret < 0) goto err; /* Select the Function : DATA with no post increment */ - ret = bus->write(bus, 0, MII_MMD_CTRL, (devad | MII_MMD_CTRL_NOINCR)); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_CTRL, MDIO_MMD_VEND2 | MII_MMD_CTRL_NOINCR); if (ret < 0) goto err; - /* Read the content of the MMD's selected register */ - value = bus->read(bus, 0, MII_MMD_DATA); - - return value; + /* Write the data into MMD's selected register */ + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_DATA, val); err: - dev_err(&bus->dev, "failed to read mmd register\n"); + if (ret < 0) + dev_err(&bus->dev, "failed to write mmd register\n"); - return ret; + mt7530_mutex_unlock(priv); } -static int -core_write_mmd_indirect(struct mt7530_priv *priv, int prtad, - int devad, u32 data) +static void +core_rmw(struct mt7530_priv *priv, u32 reg, u32 mask, u32 set) { struct mii_bus *bus = priv->bus; + u32 val; int ret; + mt7530_mutex_lock(priv); + /* Write the desired MMD Devad */ - ret = bus->write(bus, 0, MII_MMD_CTRL, devad); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_CTRL, MDIO_MMD_VEND2); if (ret < 0) goto err; /* Write the desired MMD register address */ - ret = bus->write(bus, 0, MII_MMD_DATA, prtad); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_DATA, reg); if (ret < 0) goto err; /* Select the Function : DATA with no post increment */ - ret = bus->write(bus, 0, MII_MMD_CTRL, (devad | MII_MMD_CTRL_NOINCR)); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_CTRL, MDIO_MMD_VEND2 | MII_MMD_CTRL_NOINCR); if (ret < 0) goto err; + /* Read the content of the MMD's selected register */ + val = bus->read(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_DATA); + val &= ~mask; + val |= set; /* Write the data into MMD's selected register */ - ret = bus->write(bus, 0, MII_MMD_DATA, data); + ret = bus->write(bus, MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MII_MMD_DATA, val); err: if (ret < 0) - dev_err(&bus->dev, - "failed to write mmd register\n"); - return ret; -} - -static void -mt7530_mutex_lock(struct mt7530_priv *priv) -{ - if (priv->bus) - mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED); -} - -static void -mt7530_mutex_unlock(struct mt7530_priv *priv) -{ - if (priv->bus) - mutex_unlock(&priv->bus->mdio_lock); -} - -static void -core_write(struct mt7530_priv *priv, u32 reg, u32 val) -{ - mt7530_mutex_lock(priv); - - core_write_mmd_indirect(priv, reg, MDIO_MMD_VEND2, val); - - mt7530_mutex_unlock(priv); -} - -static void -core_rmw(struct mt7530_priv *priv, u32 reg, u32 mask, u32 set) -{ - u32 val; - - mt7530_mutex_lock(priv); - - val = core_read_mmd_indirect(priv, reg, MDIO_MMD_VEND2); - val &= ~mask; - val |= set; - core_write_mmd_indirect(priv, reg, MDIO_MMD_VEND2, val); + dev_err(&bus->dev, "failed to write mmd register\n"); mt7530_mutex_unlock(priv); } @@ -431,23 +417,23 @@ mt7530_setup_port6(struct dsa_switch *ds, phy_interface_t interface) mt7530_rmw(priv, MT7530_P6ECR, P6_INTF_MODE_MASK, P6_INTF_MODE(1)); - xtal = mt7530_read(priv, MT7530_MHWTRAP) & HWTRAP_XTAL_MASK; + xtal = mt7530_read(priv, MT753X_MTRAP) & MT7530_XTAL_MASK; - if (xtal == HWTRAP_XTAL_25MHZ) + if (xtal == MT7530_XTAL_25MHZ) ssc_delta = 0x57; else ssc_delta = 0x87; if (priv->id == ID_MT7621) { /* PLL frequency: 125MHz: 1.0GBit */ - if (xtal == HWTRAP_XTAL_40MHZ) + if (xtal == MT7530_XTAL_40MHZ) ncpo1 = 0x0640; - if (xtal == HWTRAP_XTAL_25MHZ) + if (xtal == MT7530_XTAL_25MHZ) ncpo1 = 0x0a00; } else { /* PLL frequency: 250MHz: 2.0Gbit */ - if (xtal == HWTRAP_XTAL_40MHZ) + if (xtal == MT7530_XTAL_40MHZ) ncpo1 = 0x0c80; - if (xtal == HWTRAP_XTAL_25MHZ) + if (xtal == MT7530_XTAL_25MHZ) ncpo1 = 0x1400; } @@ -470,19 +456,20 @@ mt7530_setup_port6(struct dsa_switch *ds, phy_interface_t interface) static void mt7531_pll_setup(struct mt7530_priv *priv) { + enum mt7531_xtal_fsel xtal; u32 top_sig; u32 hwstrap; - u32 xtal; u32 val; val = mt7530_read(priv, MT7531_CREV); top_sig = mt7530_read(priv, MT7531_TOP_SIG_SR); - hwstrap = mt7530_read(priv, MT7531_HWTRAP); + hwstrap = mt7530_read(priv, MT753X_TRAP); if ((val & CHIP_REV_M) > 0) - xtal = (top_sig & PAD_MCM_SMI_EN) ? HWTRAP_XTAL_FSEL_40MHZ : - HWTRAP_XTAL_FSEL_25MHZ; + xtal = (top_sig & PAD_MCM_SMI_EN) ? MT7531_XTAL_FSEL_40MHZ : + MT7531_XTAL_FSEL_25MHZ; else - xtal = hwstrap & HWTRAP_XTAL_FSEL_MASK; + xtal = (hwstrap & MT7531_XTAL25) ? MT7531_XTAL_FSEL_25MHZ : + MT7531_XTAL_FSEL_40MHZ; /* Step 1 : Disable MT7531 COREPLL */ val = mt7530_read(priv, MT7531_PLLGP_EN); @@ -511,13 +498,13 @@ mt7531_pll_setup(struct mt7530_priv *priv) usleep_range(25, 35); switch (xtal) { - case HWTRAP_XTAL_FSEL_25MHZ: + case MT7531_XTAL_FSEL_25MHZ: val = mt7530_read(priv, MT7531_PLLGP_CR0); val &= ~RG_COREPLL_SDM_PCW_M; val |= 0x140000 << RG_COREPLL_SDM_PCW_S; mt7530_write(priv, MT7531_PLLGP_CR0, val); break; - case HWTRAP_XTAL_FSEL_40MHZ: + case MT7531_XTAL_FSEL_40MHZ: val = mt7530_read(priv, MT7531_PLLGP_CR0); val &= ~RG_COREPLL_SDM_PCW_M; val |= 0x190000 << RG_COREPLL_SDM_PCW_S; @@ -871,19 +858,15 @@ mt7530_set_ageing_time(struct dsa_switch *ds, unsigned int msecs) return 0; } -static const char *p5_intf_modes(unsigned int p5_interface) +static const char *mt7530_p5_mode_str(unsigned int mode) { - switch (p5_interface) { - case P5_DISABLED: - return "DISABLED"; - case P5_INTF_SEL_PHY_P0: - return "PHY P0"; - case P5_INTF_SEL_PHY_P4: - return "PHY P4"; - case P5_INTF_SEL_GMAC5: - return "GMAC5"; + switch (mode) { + case MUX_PHY_P0: + return "MUX PHY P0"; + case MUX_PHY_P4: + return "MUX PHY P4"; default: - return "unknown"; + return "GMAC5"; } } @@ -895,34 +878,31 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface) mutex_lock(&priv->reg_mutex); - val = mt7530_read(priv, MT7530_MHWTRAP); + val = mt7530_read(priv, MT753X_MTRAP); - val |= MHWTRAP_MANUAL | MHWTRAP_P5_MAC_SEL | MHWTRAP_P5_DIS; - val &= ~MHWTRAP_P5_RGMII_MODE & ~MHWTRAP_PHY0_SEL; + val &= ~MT7530_P5_PHY0_SEL & ~MT7530_P5_MAC_SEL & ~MT7530_P5_RGMII_MODE; - switch (priv->p5_intf_sel) { - case P5_INTF_SEL_PHY_P0: - /* MT7530_P5_MODE_GPHY_P0: 2nd GMAC -> P5 -> P0 */ - val |= MHWTRAP_PHY0_SEL; + switch (priv->p5_mode) { + /* MUX_PHY_P0: P0 -> P5 -> SoC MAC */ + case MUX_PHY_P0: + val |= MT7530_P5_PHY0_SEL; fallthrough; - case P5_INTF_SEL_PHY_P4: - /* MT7530_P5_MODE_GPHY_P4: 2nd GMAC -> P5 -> P4 */ - val &= ~MHWTRAP_P5_MAC_SEL & ~MHWTRAP_P5_DIS; + /* MUX_PHY_P4: P4 -> P5 -> SoC MAC */ + case MUX_PHY_P4: /* Setup the MAC by default for the cpu port */ - mt7530_write(priv, MT7530_PMCR_P(5), 0x56300); - break; - case P5_INTF_SEL_GMAC5: - /* MT7530_P5_MODE_GMAC: P5 -> External phy or 2nd GMAC */ - val &= ~MHWTRAP_P5_DIS; + mt7530_write(priv, MT753X_PMCR_P(5), 0x56300); break; + + /* GMAC5: P5 -> SoC MAC or external PHY */ default: + val |= MT7530_P5_MAC_SEL; break; } /* Setup RGMII settings */ if (phy_interface_mode_is_rgmii(interface)) { - val |= MHWTRAP_P5_RGMII_MODE; + val |= MT7530_P5_RGMII_MODE; /* P5 RGMII RX Clock Control: delay setting for 1000M */ mt7530_write(priv, MT7530_P5RGMIIRXCR, CSR_RGMII_EDGE_ALIGN); @@ -942,10 +922,10 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface) P5_IO_CLK_DRV(1) | P5_IO_DATA_DRV(1)); } - mt7530_write(priv, MT7530_MHWTRAP, val); + mt7530_write(priv, MT753X_MTRAP, val); - dev_dbg(ds->dev, "Setup P5, HWTRAP=0x%x, intf_sel=%s, phy-mode=%s\n", - val, p5_intf_modes(priv->p5_intf_sel), phy_modes(interface)); + dev_dbg(ds->dev, "Setup P5, HWTRAP=0x%x, mode=%s, phy-mode=%s\n", val, + mt7530_p5_mode_str(priv->p5_mode), phy_modes(interface)); mutex_unlock(&priv->reg_mutex); } @@ -1125,42 +1105,34 @@ mt753x_trap_frames(struct mt7530_priv *priv) * VLAN-untagged. */ mt7530_rmw(priv, MT753X_BPC, - MT753X_PAE_BPDU_FR | MT753X_PAE_EG_TAG_MASK | - MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK | - MT753X_BPDU_PORT_FW_MASK, - MT753X_PAE_BPDU_FR | - MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) | - MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_BPDU_CPU_ONLY); + PAE_BPDU_FR | PAE_EG_TAG_MASK | PAE_PORT_FW_MASK | + BPDU_EG_TAG_MASK | BPDU_PORT_FW_MASK, + PAE_BPDU_FR | PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + PAE_PORT_FW(TO_CPU_FW_CPU_ONLY) | + BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + TO_CPU_FW_CPU_ONLY); /* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and egress * them VLAN-untagged. */ mt7530_rmw(priv, MT753X_RGAC1, - MT753X_R02_BPDU_FR | MT753X_R02_EG_TAG_MASK | - MT753X_R02_PORT_FW_MASK | MT753X_R01_BPDU_FR | - MT753X_R01_EG_TAG_MASK | MT753X_R01_PORT_FW_MASK, - MT753X_R02_BPDU_FR | - MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) | - MT753X_R01_BPDU_FR | - MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_BPDU_CPU_ONLY); + R02_BPDU_FR | R02_EG_TAG_MASK | R02_PORT_FW_MASK | + R01_BPDU_FR | R01_EG_TAG_MASK | R01_PORT_FW_MASK, + R02_BPDU_FR | R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + R02_PORT_FW(TO_CPU_FW_CPU_ONLY) | R01_BPDU_FR | + R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + TO_CPU_FW_CPU_ONLY); /* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and egress * them VLAN-untagged. */ mt7530_rmw(priv, MT753X_RGAC2, - MT753X_R0E_BPDU_FR | MT753X_R0E_EG_TAG_MASK | - MT753X_R0E_PORT_FW_MASK | MT753X_R03_BPDU_FR | - MT753X_R03_EG_TAG_MASK | MT753X_R03_PORT_FW_MASK, - MT753X_R0E_BPDU_FR | - MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) | - MT753X_R03_BPDU_FR | - MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | - MT753X_BPDU_CPU_ONLY); + R0E_BPDU_FR | R0E_EG_TAG_MASK | R0E_PORT_FW_MASK | + R03_BPDU_FR | R03_EG_TAG_MASK | R03_PORT_FW_MASK, + R0E_BPDU_FR | R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + R0E_PORT_FW(TO_CPU_FW_CPU_ONLY) | R03_BPDU_FR | + R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) | + TO_CPU_FW_CPU_ONLY); } static void @@ -1173,7 +1145,7 @@ mt753x_cpu_port_enable(struct dsa_switch *ds, int port) PORT_SPEC_TAG); /* Enable flooding on the CPU port */ - mt7530_set(priv, MT7530_MFC, BC_FFP(BIT(port)) | UNM_FFP(BIT(port)) | + mt7530_set(priv, MT753X_MFC, BC_FFP(BIT(port)) | UNM_FFP(BIT(port)) | UNU_FFP(BIT(port))); /* Add the CPU port to the CPU port bitmap for MT7531 and the switch on @@ -1218,6 +1190,14 @@ mt7530_port_enable(struct dsa_switch *ds, int port, mutex_unlock(&priv->reg_mutex); + if (priv->id != ID_MT7530 && priv->id != ID_MT7621) + return 0; + + if (port == 5) + mt7530_clear(priv, MT753X_MTRAP, MT7530_P5_DIS); + else if (port == 6) + mt7530_clear(priv, MT753X_MTRAP, MT7530_P6_DIS); + return 0; } @@ -1236,6 +1216,15 @@ mt7530_port_disable(struct dsa_switch *ds, int port) PCR_MATRIX_CLR); mutex_unlock(&priv->reg_mutex); + + if (priv->id != ID_MT7530 && priv->id != ID_MT7621) + return; + + /* Do not set MT7530_P5_DIS when port 5 is being used for PHY muxing. */ + if (port == 5 && priv->p5_mode == GMAC5) + mt7530_set(priv, MT753X_MTRAP, MT7530_P5_DIS); + else if (port == 6) + mt7530_set(priv, MT753X_MTRAP, MT7530_P6_DIS); } static int @@ -1337,15 +1326,15 @@ mt7530_port_bridge_flags(struct dsa_switch *ds, int port, flags.val & BR_LEARNING ? 0 : SA_DIS); if (flags.mask & BR_FLOOD) - mt7530_rmw(priv, MT7530_MFC, UNU_FFP(BIT(port)), + mt7530_rmw(priv, MT753X_MFC, UNU_FFP(BIT(port)), flags.val & BR_FLOOD ? UNU_FFP(BIT(port)) : 0); if (flags.mask & BR_MCAST_FLOOD) - mt7530_rmw(priv, MT7530_MFC, UNM_FFP(BIT(port)), + mt7530_rmw(priv, MT753X_MFC, UNM_FFP(BIT(port)), flags.val & BR_MCAST_FLOOD ? UNM_FFP(BIT(port)) : 0); if (flags.mask & BR_BCAST_FLOOD) - mt7530_rmw(priv, MT7530_MFC, BC_FFP(BIT(port)), + mt7530_rmw(priv, MT753X_MFC, BC_FFP(BIT(port)), flags.val & BR_BCAST_FLOOD ? BC_FFP(BIT(port)) : 0); return 0; @@ -1423,7 +1412,7 @@ mt7530_port_set_vlan_unaware(struct dsa_switch *ds, int port) mt7530_rmw(priv, MT7530_PPBV1_P(port), G0_PORT_VID_MASK, G0_PORT_VID_DEF); - for (i = 0; i < MT7530_NUM_PORTS; i++) { + for (i = 0; i < priv->ds->num_ports; i++) { if (dsa_is_user_port(ds, i) && dsa_port_is_vlan_filtering(dsa_to_port(ds, i))) { all_user_ports_removed = false; @@ -1881,20 +1870,6 @@ mt7530_port_vlan_del(struct dsa_switch *ds, int port, return 0; } -static int mt753x_mirror_port_get(unsigned int id, u32 val) -{ - return (id == ID_MT7531 || id == ID_MT7988) ? - MT7531_MIRROR_PORT_GET(val) : - MIRROR_PORT(val); -} - -static int mt753x_mirror_port_set(unsigned int id, u32 val) -{ - return (id == ID_MT7531 || id == ID_MT7988) ? - MT7531_MIRROR_PORT_SET(val) : - MIRROR_PORT(val); -} - static int mt753x_port_mirror_add(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror, bool ingress, struct netlink_ext_ack *extack) @@ -1910,14 +1885,14 @@ static int mt753x_port_mirror_add(struct dsa_switch *ds, int port, val = mt7530_read(priv, MT753X_MIRROR_REG(priv->id)); /* MT7530 only supports one monitor port */ - monitor_port = mt753x_mirror_port_get(priv->id, val); + monitor_port = MT753X_MIRROR_PORT_GET(priv->id, val); if (val & MT753X_MIRROR_EN(priv->id) && monitor_port != mirror->to_local_port) return -EEXIST; val |= MT753X_MIRROR_EN(priv->id); - val &= ~MT753X_MIRROR_MASK(priv->id); - val |= mt753x_mirror_port_set(priv->id, mirror->to_local_port); + val &= ~MT753X_MIRROR_PORT_MASK(priv->id); + val |= MT753X_MIRROR_PORT_SET(priv->id, mirror->to_local_port); mt7530_write(priv, MT753X_MIRROR_REG(priv->id), val); val = mt7530_read(priv, MT7530_PCR_P(port)); @@ -2405,7 +2380,7 @@ mt7530_setup(struct dsa_switch *ds) } /* Waiting for MT7530 got to stable */ - INIT_MT7530_DUMMY_POLL(&p, priv, MT7530_HWTRAP); + INIT_MT7530_DUMMY_POLL(&p, priv, MT753X_TRAP); ret = readx_poll_timeout(_mt7530_read, &p, val, val != 0, 20, 1000000); if (ret < 0) { @@ -2420,7 +2395,7 @@ mt7530_setup(struct dsa_switch *ds) return -ENODEV; } - if ((val & HWTRAP_XTAL_MASK) == HWTRAP_XTAL_20MHZ) { + if ((val & MT7530_XTAL_MASK) == MT7530_XTAL_20MHZ) { dev_err(priv->dev, "MT7530 with a 20MHz XTAL is not supported!\n"); return -EINVAL; @@ -2440,13 +2415,13 @@ mt7530_setup(struct dsa_switch *ds) mt7530_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_MASK, RD_TAP(16)); - /* Enable port 6 */ - val = mt7530_read(priv, MT7530_MHWTRAP); - val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS; - val |= MHWTRAP_MANUAL; - mt7530_write(priv, MT7530_MHWTRAP, val); + /* Allow modifying the trap and directly access PHY registers via the + * MDIO bus the switch is on. + */ + mt7530_rmw(priv, MT753X_MTRAP, MT7530_CHG_TRAP | + MT7530_PHY_INDIRECT_ACCESS, MT7530_CHG_TRAP); - if ((val & HWTRAP_XTAL_MASK) == HWTRAP_XTAL_40MHZ) + if ((val & MT7530_XTAL_MASK) == MT7530_XTAL_40MHZ) mt7530_pll_setup(priv); mt753x_trap_frames(priv); @@ -2454,12 +2429,12 @@ mt7530_setup(struct dsa_switch *ds) /* Enable and reset MIB counters */ mt7530_mib_reset(ds); - for (i = 0; i < MT7530_NUM_PORTS; i++) { + for (i = 0; i < priv->ds->num_ports; i++) { /* Clear link settings and enable force mode to force link down * on all ports until they're enabled later. */ - mt7530_rmw(priv, MT7530_PMCR_P(i), PMCR_LINK_SETTINGS_MASK | - PMCR_FORCE_MODE, PMCR_FORCE_MODE); + mt7530_rmw(priv, MT753X_PMCR_P(i), PMCR_LINK_SETTINGS_MASK | + MT7530_FORCE_MODE, MT7530_FORCE_MODE); /* Disable forwarding by default on all ports */ mt7530_rmw(priv, MT7530_PCR_P(i), PCR_MATRIX_MASK, @@ -2490,13 +2465,11 @@ mt7530_setup(struct dsa_switch *ds) if (ret) return ret; - /* Setup port 5 */ - if (!dsa_is_unused_port(ds, 5)) { - priv->p5_intf_sel = P5_INTF_SEL_GMAC5; - } else { + /* Check for PHY muxing on port 5 */ + if (dsa_is_unused_port(ds, 5)) { /* Scan the ethernet nodes. Look for GMAC1, lookup the used PHY. - * Set priv->p5_intf_sel to the appropriate value if PHY muxing - * is detected. + * Set priv->p5_mode to the appropriate value if PHY muxing is + * detected. */ for_each_child_of_node(dn, mac_np) { if (!of_device_is_compatible(mac_np, @@ -2511,7 +2484,8 @@ mt7530_setup(struct dsa_switch *ds) if (!phy_node) continue; - if (phy_node->parent == priv->dev->of_node->parent) { + if (phy_node->parent == priv->dev->of_node->parent || + phy_node->parent->parent == priv->dev->of_node) { ret = of_get_phy_mode(mac_np, &interface); if (ret && ret != -ENODEV) { of_node_put(mac_np); @@ -2520,18 +2494,20 @@ mt7530_setup(struct dsa_switch *ds) } id = of_mdio_parse_addr(ds->dev, phy_node); if (id == 0) - priv->p5_intf_sel = P5_INTF_SEL_PHY_P0; + priv->p5_mode = MUX_PHY_P0; if (id == 4) - priv->p5_intf_sel = P5_INTF_SEL_PHY_P4; + priv->p5_mode = MUX_PHY_P4; } of_node_put(mac_np); of_node_put(phy_node); break; } - if (priv->p5_intf_sel == P5_INTF_SEL_PHY_P0 || - priv->p5_intf_sel == P5_INTF_SEL_PHY_P4) + if (priv->p5_mode == MUX_PHY_P0 || + priv->p5_mode == MUX_PHY_P4) { + mt7530_clear(priv, MT753X_MTRAP, MT7530_P5_DIS); mt7530_setup_port5(ds, interface); + } } #ifdef CONFIG_GPIOLIB @@ -2562,15 +2538,15 @@ mt7531_setup_common(struct dsa_switch *ds) mt7530_mib_reset(ds); /* Disable flooding on all ports */ - mt7530_clear(priv, MT7530_MFC, BC_FFP_MASK | UNM_FFP_MASK | + mt7530_clear(priv, MT753X_MFC, BC_FFP_MASK | UNM_FFP_MASK | UNU_FFP_MASK); - for (i = 0; i < MT7530_NUM_PORTS; i++) { + for (i = 0; i < priv->ds->num_ports; i++) { /* Clear link settings and enable force mode to force link down * on all ports until they're enabled later. */ - mt7530_rmw(priv, MT7530_PMCR_P(i), PMCR_LINK_SETTINGS_MASK | - MT7531_FORCE_MODE, MT7531_FORCE_MODE); + mt7530_rmw(priv, MT753X_PMCR_P(i), PMCR_LINK_SETTINGS_MASK | + MT7531_FORCE_MODE_MASK, MT7531_FORCE_MODE_MASK); /* Disable forwarding by default on all ports */ mt7530_rmw(priv, MT7530_PCR_P(i), PCR_MATRIX_MASK, @@ -2629,7 +2605,7 @@ mt7531_setup(struct dsa_switch *ds) } /* Waiting for MT7530 got to stable */ - INIT_MT7530_DUMMY_POLL(&p, priv, MT7530_HWTRAP); + INIT_MT7530_DUMMY_POLL(&p, priv, MT753X_TRAP); ret = readx_poll_timeout(_mt7530_read, &p, val, val != 0, 20, 1000000); if (ret < 0) { @@ -2652,8 +2628,8 @@ mt7531_setup(struct dsa_switch *ds) priv->p5_sgmii = !!(val & PAD_DUAL_SGMII_EN); /* Force link down on all ports before internal reset */ - for (i = 0; i < MT7530_NUM_PORTS; i++) - mt7530_write(priv, MT7530_PMCR_P(i), MT7531_FORCE_LNK); + for (i = 0; i < priv->ds->num_ports; i++) + mt7530_write(priv, MT753X_PMCR_P(i), MT7531_FORCE_MODE_LNK); /* Reset the switch through internal reset */ mt7530_write(priv, MT7530_SYS_CTRL, SYS_CTRL_SW_RST | SYS_CTRL_REG_RST); @@ -2661,16 +2637,16 @@ mt7531_setup(struct dsa_switch *ds) if (!priv->p5_sgmii) { mt7531_pll_setup(priv); } else { - /* Let ds->user_mii_bus be able to access external phy. */ + /* Unlike MT7531BE, the GPIO 6-12 pins are not used for RGMII on + * MT7531AE. Set the GPIO 11-12 pins to function as MDC and MDIO + * to expose the MDIO bus of the switch. + */ 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, MT7531_EXT_P_MDIO_12); } - if (!dsa_is_unused_port(ds, 5)) - priv->p5_intf_sel = P5_INTF_SEL_GMAC5; - mt7530_rmw(priv, MT7531_GPIO_MODE0, MT7531_GPIO0_MASK, MT7531_GPIO0_INTERRUPT); @@ -2679,21 +2655,26 @@ mt7531_setup(struct dsa_switch *ds) * phy_[read,write]_mmd_indirect is called, we provide our own * mt7531_ind_mmd_phy_[read,write] to complete this function. */ - val = mt7531_ind_c45_phy_read(priv, MT753X_CTRL_PHY_ADDR, + val = mt7531_ind_c45_phy_read(priv, + MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), MDIO_MMD_VEND2, CORE_PLL_GROUP4); val |= MT7531_RG_SYSPLL_DMY2 | MT7531_PHY_PLL_BYPASS_MODE; val &= ~MT7531_PHY_PLL_OFF; - mt7531_ind_c45_phy_write(priv, MT753X_CTRL_PHY_ADDR, MDIO_MMD_VEND2, - CORE_PLL_GROUP4, val); + mt7531_ind_c45_phy_write(priv, + MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr), + MDIO_MMD_VEND2, CORE_PLL_GROUP4, val); /* Disable EEE advertisement on the switch PHYs. */ - for (i = MT753X_CTRL_PHY_ADDR; - i < MT753X_CTRL_PHY_ADDR + MT7530_NUM_PHYS; i++) { + for (i = MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr); + i < MT753X_CTRL_PHY_ADDR(priv->mdiodev->addr) + MT7530_NUM_PHYS; + i++) { mt7531_ind_c45_phy_write(priv, i, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0); } - mt7531_setup_common(ds); + ret = mt7531_setup_common(ds); + if (ret) + return ret; /* Setup VLAN ID 0 for VLAN-unaware bridges */ ret = mt7530_setup_vlan0(priv); @@ -2709,6 +2690,8 @@ mt7531_setup(struct dsa_switch *ds) static void mt7530_mac_port_get_caps(struct dsa_switch *ds, int port, struct phylink_config *config) { + config->mac_capabilities |= MAC_10 | MAC_100 | MAC_1000FD; + switch (port) { /* Ports which are connected to switch PHYs. There is no MII pinout. */ case 0 ... 4: @@ -2740,6 +2723,8 @@ static void mt7531_mac_port_get_caps(struct dsa_switch *ds, int port, { struct mt7530_priv *priv = ds->priv; + config->mac_capabilities |= MAC_10 | MAC_100 | MAC_1000FD; + switch (port) { /* Ports which are connected to switch PHYs. There is no MII pinout. */ case 0 ... 4: @@ -2779,14 +2764,17 @@ static void mt7988_mac_port_get_caps(struct dsa_switch *ds, int port, case 0 ... 3: __set_bit(PHY_INTERFACE_MODE_INTERNAL, config->supported_interfaces); + + config->mac_capabilities |= MAC_10 | MAC_100 | MAC_1000FD; break; /* Port 6 is connected to SoC's XGMII MAC. There is no MII pinout. */ case 6: __set_bit(PHY_INTERFACE_MODE_INTERNAL, config->supported_interfaces); - config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | - MAC_10000FD; + + config->mac_capabilities |= MAC_10000FD; + break; } } @@ -2802,7 +2790,7 @@ mt7530_mac_config(struct dsa_switch *ds, int port, unsigned int mode, mt7530_setup_port6(priv->ds, interface); } -static void mt7531_rgmii_setup(struct mt7530_priv *priv, u32 port, +static void mt7531_rgmii_setup(struct mt7530_priv *priv, phy_interface_t interface, struct phy_device *phydev) { @@ -2853,62 +2841,70 @@ mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode, if (phy_interface_mode_is_rgmii(interface)) { dp = dsa_to_port(ds, port); phydev = dp->user->phydev; - mt7531_rgmii_setup(priv, port, interface, phydev); + mt7531_rgmii_setup(priv, interface, phydev); } } static struct phylink_pcs * -mt753x_phylink_mac_select_pcs(struct dsa_switch *ds, int port, +mt753x_phylink_mac_select_pcs(struct phylink_config *config, phy_interface_t interface) { - struct mt7530_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mt7530_priv *priv = dp->ds->priv; switch (interface) { case PHY_INTERFACE_MODE_TRGMII: - return &priv->pcs[port].pcs; + return &priv->pcs[dp->index].pcs; case PHY_INTERFACE_MODE_SGMII: case PHY_INTERFACE_MODE_1000BASEX: case PHY_INTERFACE_MODE_2500BASEX: - return priv->ports[port].sgmii_pcs; + return priv->ports[dp->index].sgmii_pcs; default: return NULL; } } static void -mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, +mt753x_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct mt7530_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct dsa_switch *ds = dp->ds; + struct mt7530_priv *priv; + int port = dp->index; + + priv = ds->priv; if ((port == 5 || port == 6) && priv->info->mac_port_config) priv->info->mac_port_config(ds, port, mode, state->interface); /* Are we connected to external phy */ if (port == 5 && dsa_is_user_port(ds, 5)) - mt7530_set(priv, MT7530_PMCR_P(port), PMCR_EXT_PHY); + mt7530_set(priv, MT753X_PMCR_P(port), PMCR_EXT_PHY); } -static void mt753x_phylink_mac_link_down(struct dsa_switch *ds, int port, +static void mt753x_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct mt7530_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mt7530_priv *priv = dp->ds->priv; - mt7530_clear(priv, MT7530_PMCR_P(port), PMCR_LINK_SETTINGS_MASK); + mt7530_clear(priv, MT753X_PMCR_P(dp->index), PMCR_LINK_SETTINGS_MASK); } -static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void mt753x_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct mt7530_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mt7530_priv *priv = dp->ds->priv; u32 mcr; - mcr = PMCR_RX_EN | PMCR_TX_EN | PMCR_FORCE_LNK; + mcr = PMCR_MAC_RX_EN | PMCR_MAC_TX_EN | PMCR_FORCE_LNK; switch (speed) { case SPEED_1000: @@ -2923,9 +2919,9 @@ static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port, if (duplex == DUPLEX_FULL) { mcr |= PMCR_FORCE_FDX; if (tx_pause) - mcr |= PMCR_TX_FC_EN; + mcr |= PMCR_FORCE_TX_FC_EN; if (rx_pause) - mcr |= PMCR_RX_FC_EN; + mcr |= PMCR_FORCE_RX_FC_EN; } if (mode == MLO_AN_PHY && phydev && phy_init_eee(phydev, false) >= 0) { @@ -2940,7 +2936,7 @@ static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port, } } - mt7530_set(priv, MT7530_PMCR_P(port), mcr); + mt7530_set(priv, MT753X_PMCR_P(dp->index), mcr); } static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port, @@ -2948,9 +2944,7 @@ static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port, { struct mt7530_priv *priv = ds->priv; - /* This switch only supports full-duplex at 1Gbps */ - config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | - MAC_10 | MAC_100 | MAC_1000FD; + config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE; priv->info->mac_port_get_caps(ds, port, config); } @@ -3038,6 +3032,8 @@ mt753x_setup(struct dsa_switch *ds) ret = mt7530_setup_mdio(priv); if (ret && priv->irq) mt7530_free_irq_common(priv); + if (ret) + return ret; /* Initialise the PCS devices */ for (i = 0; i < priv->ds->num_ports; i++) { @@ -3060,10 +3056,10 @@ static int mt753x_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e) { struct mt7530_priv *priv = ds->priv; - u32 eeecr = mt7530_read(priv, MT7530_PMEEECR_P(port)); + u32 eeecr = mt7530_read(priv, MT753X_PMEEECR_P(port)); e->tx_lpi_enabled = !(eeecr & LPI_MODE_EN); - e->tx_lpi_timer = GET_LPI_THRESH(eeecr); + e->tx_lpi_timer = LPI_THRESH_GET(eeecr); return 0; } @@ -3077,11 +3073,11 @@ static int mt753x_set_mac_eee(struct dsa_switch *ds, int port, if (e->tx_lpi_timer > 0xFFF) return -EINVAL; - set = SET_LPI_THRESH(e->tx_lpi_timer); + set = LPI_THRESH_SET(e->tx_lpi_timer); if (!e->tx_lpi_enabled) /* Force LPI Mode without a delay */ set |= LPI_MODE_EN; - mt7530_rmw(priv, MT7530_PMEEECR_P(port), mask, set); + mt7530_rmw(priv, MT753X_PMEEECR_P(port), mask, set); return 0; } @@ -3110,10 +3106,12 @@ mt753x_conduit_state_change(struct dsa_switch *ds, else priv->active_cpu_ports &= ~mask; - if (priv->active_cpu_ports) - val = CPU_EN | CPU_PORT(__ffs(priv->active_cpu_ports)); + if (priv->active_cpu_ports) { + val = MT7530_CPU_EN | + MT7530_CPU_PORT(__ffs(priv->active_cpu_ports)); + } - mt7530_rmw(priv, MT7530_MFC, CPU_EN | CPU_PORT_MASK, val); + mt7530_rmw(priv, MT753X_MFC, MT7530_CPU_EN | MT7530_CPU_PORT_MASK, val); } static int mt7988_setup(struct dsa_switch *ds) @@ -3160,16 +3158,19 @@ const struct dsa_switch_ops mt7530_switch_ops = { .port_mirror_add = mt753x_port_mirror_add, .port_mirror_del = mt753x_port_mirror_del, .phylink_get_caps = mt753x_phylink_get_caps, - .phylink_mac_select_pcs = mt753x_phylink_mac_select_pcs, - .phylink_mac_config = mt753x_phylink_mac_config, - .phylink_mac_link_down = mt753x_phylink_mac_link_down, - .phylink_mac_link_up = mt753x_phylink_mac_link_up, .get_mac_eee = mt753x_get_mac_eee, .set_mac_eee = mt753x_set_mac_eee, .conduit_state_change = mt753x_conduit_state_change, }; EXPORT_SYMBOL_GPL(mt7530_switch_ops); +static const struct phylink_mac_ops mt753x_phylink_mac_ops = { + .mac_select_pcs = mt753x_phylink_mac_select_pcs, + .mac_config = mt753x_phylink_mac_config, + .mac_link_down = mt753x_phylink_mac_link_down, + .mac_link_up = mt753x_phylink_mac_link_up, +}; + const struct mt753x_info mt753x_table[] = { [ID_MT7621] = { .id = ID_MT7621, @@ -3236,17 +3237,11 @@ mt7530_probe_common(struct mt7530_priv *priv) if (!priv->info) return -EINVAL; - /* Sanity check if these required device operations are filled - * properly. - */ - if (!priv->info->sw_setup || !priv->info->phy_read_c22 || - !priv->info->phy_write_c22 || !priv->info->mac_port_get_caps) - return -EINVAL; - priv->id = priv->info->id; priv->dev = dev; priv->ds->priv = priv; priv->ds->ops = &mt7530_switch_ops; + priv->ds->phylink_mac_ops = &mt753x_phylink_mac_ops; mutex_init(&priv->reg_mutex); dev_set_drvdata(dev, priv); diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index a08053390b..2ea4e24628 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -36,78 +36,97 @@ enum mt753x_id { #define MT753X_AGC 0xc #define LOCAL_EN BIT(7) -/* Registers to mac forward control for unknown frames */ -#define MT7530_MFC 0x10 -#define BC_FFP(x) (((x) & 0xff) << 24) -#define BC_FFP_MASK BC_FFP(~0) -#define UNM_FFP(x) (((x) & 0xff) << 16) -#define UNM_FFP_MASK UNM_FFP(~0) -#define UNU_FFP(x) (((x) & 0xff) << 8) -#define UNU_FFP_MASK UNU_FFP(~0) -#define CPU_EN BIT(7) -#define CPU_PORT_MASK GENMASK(6, 4) -#define CPU_PORT(x) FIELD_PREP(CPU_PORT_MASK, x) -#define MIRROR_EN BIT(3) -#define MIRROR_PORT(x) ((x) & 0x7) -#define MIRROR_MASK 0x7 - -/* Registers for CPU forward control */ +/* Register for MAC forward control */ +#define MT753X_MFC 0x10 +#define BC_FFP_MASK GENMASK(31, 24) +#define BC_FFP(x) FIELD_PREP(BC_FFP_MASK, x) +#define UNM_FFP_MASK GENMASK(23, 16) +#define UNM_FFP(x) FIELD_PREP(UNM_FFP_MASK, x) +#define UNU_FFP_MASK GENMASK(15, 8) +#define UNU_FFP(x) FIELD_PREP(UNU_FFP_MASK, x) +#define MT7530_CPU_EN BIT(7) +#define MT7530_CPU_PORT_MASK GENMASK(6, 4) +#define MT7530_CPU_PORT(x) FIELD_PREP(MT7530_CPU_PORT_MASK, x) +#define MT7530_MIRROR_EN BIT(3) +#define MT7530_MIRROR_PORT_MASK GENMASK(2, 0) +#define MT7530_MIRROR_PORT_GET(x) FIELD_GET(MT7530_MIRROR_PORT_MASK, x) +#define MT7530_MIRROR_PORT_SET(x) FIELD_PREP(MT7530_MIRROR_PORT_MASK, x) +#define MT7531_QRY_FFP_MASK GENMASK(7, 0) +#define MT7531_QRY_FFP(x) FIELD_PREP(MT7531_QRY_FFP_MASK, x) + +/* Register for CPU forward control */ #define MT7531_CFC 0x4 #define MT7531_MIRROR_EN BIT(19) -#define MT7531_MIRROR_MASK (MIRROR_MASK << 16) -#define MT7531_MIRROR_PORT_GET(x) (((x) >> 16) & MIRROR_MASK) -#define MT7531_MIRROR_PORT_SET(x) (((x) & MIRROR_MASK) << 16) +#define MT7531_MIRROR_PORT_MASK GENMASK(18, 16) +#define MT7531_MIRROR_PORT_GET(x) FIELD_GET(MT7531_MIRROR_PORT_MASK, x) +#define MT7531_MIRROR_PORT_SET(x) FIELD_PREP(MT7531_MIRROR_PORT_MASK, x) #define MT7531_CPU_PMAP_MASK GENMASK(7, 0) #define MT7531_CPU_PMAP(x) FIELD_PREP(MT7531_CPU_PMAP_MASK, x) -#define MT753X_MIRROR_REG(id) ((((id) == ID_MT7531) || ((id) == ID_MT7988)) ? \ - MT7531_CFC : MT7530_MFC) -#define MT753X_MIRROR_EN(id) ((((id) == ID_MT7531) || ((id) == ID_MT7988)) ? \ - MT7531_MIRROR_EN : MIRROR_EN) -#define MT753X_MIRROR_MASK(id) ((((id) == ID_MT7531) || ((id) == ID_MT7988)) ? \ - MT7531_MIRROR_MASK : MIRROR_MASK) +#define MT753X_MIRROR_REG(id) ((id == ID_MT7531 || \ + id == ID_MT7988) ? \ + MT7531_CFC : MT753X_MFC) -/* Registers for BPDU and PAE frame control*/ +#define MT753X_MIRROR_EN(id) ((id == ID_MT7531 || \ + id == ID_MT7988) ? \ + MT7531_MIRROR_EN : MT7530_MIRROR_EN) + +#define MT753X_MIRROR_PORT_MASK(id) ((id == ID_MT7531 || \ + id == ID_MT7988) ? \ + MT7531_MIRROR_PORT_MASK : \ + MT7530_MIRROR_PORT_MASK) + +#define MT753X_MIRROR_PORT_GET(id, val) ((id == ID_MT7531 || \ + id == ID_MT7988) ? \ + MT7531_MIRROR_PORT_GET(val) : \ + MT7530_MIRROR_PORT_GET(val)) + +#define MT753X_MIRROR_PORT_SET(id, val) ((id == ID_MT7531 || \ + id == ID_MT7988) ? \ + MT7531_MIRROR_PORT_SET(val) : \ + MT7530_MIRROR_PORT_SET(val)) + +/* Register for BPDU and PAE frame control */ #define MT753X_BPC 0x24 -#define MT753X_PAE_BPDU_FR BIT(25) -#define MT753X_PAE_EG_TAG_MASK GENMASK(24, 22) -#define MT753X_PAE_EG_TAG(x) FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x) -#define MT753X_PAE_PORT_FW_MASK GENMASK(18, 16) -#define MT753X_PAE_PORT_FW(x) FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x) -#define MT753X_BPDU_EG_TAG_MASK GENMASK(8, 6) -#define MT753X_BPDU_EG_TAG(x) FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x) -#define MT753X_BPDU_PORT_FW_MASK GENMASK(2, 0) - -/* Register for :01 and :02 MAC DA frame control */ +#define PAE_BPDU_FR BIT(25) +#define PAE_EG_TAG_MASK GENMASK(24, 22) +#define PAE_EG_TAG(x) FIELD_PREP(PAE_EG_TAG_MASK, x) +#define PAE_PORT_FW_MASK GENMASK(18, 16) +#define PAE_PORT_FW(x) FIELD_PREP(PAE_PORT_FW_MASK, x) +#define BPDU_EG_TAG_MASK GENMASK(8, 6) +#define BPDU_EG_TAG(x) FIELD_PREP(BPDU_EG_TAG_MASK, x) +#define BPDU_PORT_FW_MASK GENMASK(2, 0) + +/* Register for 01-80-C2-00-00-[01,02] MAC DA frame control */ #define MT753X_RGAC1 0x28 -#define MT753X_R02_BPDU_FR BIT(25) -#define MT753X_R02_EG_TAG_MASK GENMASK(24, 22) -#define MT753X_R02_EG_TAG(x) FIELD_PREP(MT753X_R02_EG_TAG_MASK, x) -#define MT753X_R02_PORT_FW_MASK GENMASK(18, 16) -#define MT753X_R02_PORT_FW(x) FIELD_PREP(MT753X_R02_PORT_FW_MASK, x) -#define MT753X_R01_BPDU_FR BIT(9) -#define MT753X_R01_EG_TAG_MASK GENMASK(8, 6) -#define MT753X_R01_EG_TAG(x) FIELD_PREP(MT753X_R01_EG_TAG_MASK, x) -#define MT753X_R01_PORT_FW_MASK GENMASK(2, 0) - -/* Register for :03 and :0E MAC DA frame control */ +#define R02_BPDU_FR BIT(25) +#define R02_EG_TAG_MASK GENMASK(24, 22) +#define R02_EG_TAG(x) FIELD_PREP(R02_EG_TAG_MASK, x) +#define R02_PORT_FW_MASK GENMASK(18, 16) +#define R02_PORT_FW(x) FIELD_PREP(R02_PORT_FW_MASK, x) +#define R01_BPDU_FR BIT(9) +#define R01_EG_TAG_MASK GENMASK(8, 6) +#define R01_EG_TAG(x) FIELD_PREP(R01_EG_TAG_MASK, x) +#define R01_PORT_FW_MASK GENMASK(2, 0) + +/* Register for 01-80-C2-00-00-[03,0E] MAC DA frame control */ #define MT753X_RGAC2 0x2c -#define MT753X_R0E_BPDU_FR BIT(25) -#define MT753X_R0E_EG_TAG_MASK GENMASK(24, 22) -#define MT753X_R0E_EG_TAG(x) FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x) -#define MT753X_R0E_PORT_FW_MASK GENMASK(18, 16) -#define MT753X_R0E_PORT_FW(x) FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x) -#define MT753X_R03_BPDU_FR BIT(9) -#define MT753X_R03_EG_TAG_MASK GENMASK(8, 6) -#define MT753X_R03_EG_TAG(x) FIELD_PREP(MT753X_R03_EG_TAG_MASK, x) -#define MT753X_R03_PORT_FW_MASK GENMASK(2, 0) - -enum mt753x_bpdu_port_fw { - MT753X_BPDU_FOLLOW_MFC, - MT753X_BPDU_CPU_EXCLUDE = 4, - MT753X_BPDU_CPU_INCLUDE = 5, - MT753X_BPDU_CPU_ONLY = 6, - MT753X_BPDU_DROP = 7, +#define R0E_BPDU_FR BIT(25) +#define R0E_EG_TAG_MASK GENMASK(24, 22) +#define R0E_EG_TAG(x) FIELD_PREP(R0E_EG_TAG_MASK, x) +#define R0E_PORT_FW_MASK GENMASK(18, 16) +#define R0E_PORT_FW(x) FIELD_PREP(R0E_PORT_FW_MASK, x) +#define R03_BPDU_FR BIT(9) +#define R03_EG_TAG_MASK GENMASK(8, 6) +#define R03_EG_TAG(x) FIELD_PREP(R03_EG_TAG_MASK, x) +#define R03_PORT_FW_MASK GENMASK(2, 0) + +enum mt753x_to_cpu_fw { + TO_CPU_FW_SYSTEM_DEFAULT, + TO_CPU_FW_CPU_EXCLUDE = 4, + TO_CPU_FW_CPU_INCLUDE = 5, + TO_CPU_FW_CPU_ONLY = 6, + TO_CPU_FW_DROP = 7, }; /* Registers for address table access */ @@ -304,48 +323,55 @@ enum mt7530_vlan_port_acc_frm { #define G0_PORT_VID_DEF G0_PORT_VID(0) /* Register for port MAC control register */ -#define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100)) -#define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18) +#define MT753X_PMCR_P(x) (0x3000 + ((x) * 0x100)) +#define PMCR_IFG_XMIT_MASK GENMASK(19, 18) +#define PMCR_IFG_XMIT(x) FIELD_PREP(PMCR_IFG_XMIT_MASK, x) #define PMCR_EXT_PHY BIT(17) #define PMCR_MAC_MODE BIT(16) -#define PMCR_FORCE_MODE BIT(15) -#define PMCR_TX_EN BIT(14) -#define PMCR_RX_EN BIT(13) +#define MT7530_FORCE_MODE BIT(15) +#define PMCR_MAC_TX_EN BIT(14) +#define PMCR_MAC_RX_EN BIT(13) #define PMCR_BACKOFF_EN BIT(9) #define PMCR_BACKPR_EN BIT(8) #define PMCR_FORCE_EEE1G BIT(7) #define PMCR_FORCE_EEE100 BIT(6) -#define PMCR_TX_FC_EN BIT(5) -#define PMCR_RX_FC_EN BIT(4) +#define PMCR_FORCE_RX_FC_EN BIT(5) +#define PMCR_FORCE_TX_FC_EN BIT(4) #define PMCR_FORCE_SPEED_1000 BIT(3) #define PMCR_FORCE_SPEED_100 BIT(2) #define PMCR_FORCE_FDX BIT(1) #define PMCR_FORCE_LNK BIT(0) -#define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \ - PMCR_FORCE_SPEED_1000) -#define MT7531_FORCE_LNK BIT(31) -#define MT7531_FORCE_SPD BIT(30) -#define MT7531_FORCE_DPX BIT(29) -#define MT7531_FORCE_RX_FC BIT(28) -#define MT7531_FORCE_TX_FC BIT(27) -#define MT7531_FORCE_MODE (MT7531_FORCE_LNK | \ - MT7531_FORCE_SPD | \ - MT7531_FORCE_DPX | \ - MT7531_FORCE_RX_FC | \ - MT7531_FORCE_TX_FC) -#define PMCR_LINK_SETTINGS_MASK (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \ - PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \ - PMCR_TX_FC_EN | PMCR_RX_FC_EN | \ - PMCR_FORCE_FDX | PMCR_FORCE_LNK | \ - PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100) - -#define MT7530_PMEEECR_P(x) (0x3004 + (x) * 0x100) -#define WAKEUP_TIME_1000(x) (((x) & 0xFF) << 24) -#define WAKEUP_TIME_100(x) (((x) & 0xFF) << 16) +#define MT7531_FORCE_MODE_LNK BIT(31) +#define MT7531_FORCE_MODE_SPD BIT(30) +#define MT7531_FORCE_MODE_DPX BIT(29) +#define MT7531_FORCE_MODE_RX_FC BIT(28) +#define MT7531_FORCE_MODE_TX_FC BIT(27) +#define MT7531_FORCE_MODE_EEE100 BIT(26) +#define MT7531_FORCE_MODE_EEE1G BIT(25) +#define MT7531_FORCE_MODE_MASK (MT7531_FORCE_MODE_LNK | \ + MT7531_FORCE_MODE_SPD | \ + MT7531_FORCE_MODE_DPX | \ + MT7531_FORCE_MODE_RX_FC | \ + MT7531_FORCE_MODE_TX_FC | \ + MT7531_FORCE_MODE_EEE100 | \ + MT7531_FORCE_MODE_EEE1G) +#define PMCR_LINK_SETTINGS_MASK (PMCR_MAC_TX_EN | PMCR_MAC_RX_EN | \ + PMCR_FORCE_EEE1G | \ + PMCR_FORCE_EEE100 | \ + PMCR_FORCE_RX_FC_EN | \ + PMCR_FORCE_TX_FC_EN | \ + PMCR_FORCE_SPEED_1000 | \ + PMCR_FORCE_SPEED_100 | \ + PMCR_FORCE_FDX | PMCR_FORCE_LNK) + +#define MT753X_PMEEECR_P(x) (0x3004 + (x) * 0x100) +#define WAKEUP_TIME_1000_MASK GENMASK(31, 24) +#define WAKEUP_TIME_1000(x) FIELD_PREP(WAKEUP_TIME_1000_MASK, x) +#define WAKEUP_TIME_100_MASK GENMASK(23, 16) +#define WAKEUP_TIME_100(x) FIELD_PREP(WAKEUP_TIME_100_MASK, x) #define LPI_THRESH_MASK GENMASK(15, 4) -#define LPI_THRESH_SHT 4 -#define SET_LPI_THRESH(x) (((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK) -#define GET_LPI_THRESH(x) (((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT) +#define LPI_THRESH_GET(x) FIELD_GET(LPI_THRESH_MASK, x) +#define LPI_THRESH_SET(x) FIELD_PREP(LPI_THRESH_MASK, x) #define LPI_MODE_EN BIT(0) #define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100) @@ -470,32 +496,30 @@ enum mt7531_clk_skew { MT7531_CLK_SKEW_REVERSE = 3, }; -/* Register for hw trap status */ -#define MT7530_HWTRAP 0x7800 -#define HWTRAP_XTAL_MASK (BIT(10) | BIT(9)) -#define HWTRAP_XTAL_25MHZ (BIT(10) | BIT(9)) -#define HWTRAP_XTAL_40MHZ (BIT(10)) -#define HWTRAP_XTAL_20MHZ (BIT(9)) - -#define MT7531_HWTRAP 0x7800 -#define HWTRAP_XTAL_FSEL_MASK BIT(7) -#define HWTRAP_XTAL_FSEL_25MHZ BIT(7) -#define HWTRAP_XTAL_FSEL_40MHZ 0 -/* Unique fields of (M)HWSTRAP for MT7531 */ -#define XTAL_FSEL_S 7 -#define XTAL_FSEL_M BIT(7) -#define PHY_EN BIT(6) -#define CHG_STRAP BIT(8) - -/* Register for hw trap modification */ -#define MT7530_MHWTRAP 0x7804 -#define MHWTRAP_PHY0_SEL BIT(20) -#define MHWTRAP_MANUAL BIT(16) -#define MHWTRAP_P5_MAC_SEL BIT(13) -#define MHWTRAP_P6_DIS BIT(8) -#define MHWTRAP_P5_RGMII_MODE BIT(7) -#define MHWTRAP_P5_DIS BIT(6) -#define MHWTRAP_PHY_ACCESS BIT(5) +/* Register for trap status */ +#define MT753X_TRAP 0x7800 +#define MT7530_XTAL_MASK (BIT(10) | BIT(9)) +#define MT7530_XTAL_25MHZ (BIT(10) | BIT(9)) +#define MT7530_XTAL_40MHZ BIT(10) +#define MT7530_XTAL_20MHZ BIT(9) +#define MT7531_XTAL25 BIT(7) + +/* Register for trap modification */ +#define MT753X_MTRAP 0x7804 +#define MT7530_P5_PHY0_SEL BIT(20) +#define MT7530_CHG_TRAP BIT(16) +#define MT7530_P5_MAC_SEL BIT(13) +#define MT7530_P6_DIS BIT(8) +#define MT7530_P5_RGMII_MODE BIT(7) +#define MT7530_P5_DIS BIT(6) +#define MT7530_PHY_INDIRECT_ACCESS BIT(5) +#define MT7531_CHG_STRAP BIT(8) +#define MT7531_PHY_EN BIT(6) + +enum mt7531_xtal_fsel { + MT7531_XTAL_FSEL_25MHZ, + MT7531_XTAL_FSEL_40MHZ, +}; /* Register for TOP signal control */ #define MT7530_TOP_SIG_CTRL 0x7808 @@ -629,7 +653,7 @@ enum mt7531_clk_skew { #define MT7531_PHY_PLL_OFF BIT(5) #define MT7531_PHY_PLL_BYPASS_MODE BIT(4) -#define MT753X_CTRL_PHY_ADDR 0 +#define MT753X_CTRL_PHY_ADDR(addr) ((addr + 1) & 0x1f) #define CORE_PLL_GROUP5 0x404 #define RG_LCDDS_PCW_NCPO1(x) ((x) & 0xffff) @@ -702,12 +726,11 @@ struct mt7530_port { struct phylink_pcs *sgmii_pcs; }; -/* Port 5 interface select definitions */ -enum p5_interface_select { - P5_DISABLED, - P5_INTF_SEL_PHY_P0, - P5_INTF_SEL_PHY_P4, - P5_INTF_SEL_GMAC5, +/* Port 5 mode definitions of the MT7530 switch */ +enum mt7530_p5_mode { + GMAC5, + MUX_PHY_P0, + MUX_PHY_P4, }; struct mt7530_priv; @@ -720,15 +743,14 @@ struct mt753x_pcs { /* struct mt753x_info - This is the main data structure for holding the specific * part for each supported device + * @id: Holding the identifier to a switch model + * @pcs_ops: Holding the pointer to the MAC PCS operations structure * @sw_setup: Holding the handler to a device initialization * @phy_read_c22: Holding the way reading PHY port using C22 * @phy_write_c22: Holding the way writing PHY port using C22 * @phy_read_c45: Holding the way reading PHY port using C45 * @phy_write_c45: Holding the way writing PHY port using C45 - * @phy_mode_supported: Check if the PHY type is being supported on a certain - * port - * @mac_port_validate: Holding the way to set addition validate type for a - * certan MAC port + * @mac_port_get_caps: Holding the handler that provides MAC capabilities * @mac_port_config: Holding the way setting up the PHY attribute to a * certain MAC port */ @@ -747,9 +769,6 @@ struct mt753x_info { int regnum, u16 val); void (*mac_port_get_caps)(struct dsa_switch *ds, int port, struct phylink_config *config); - void (*mac_port_validate)(struct dsa_switch *ds, int port, - phy_interface_t interface, - unsigned long *supported); void (*mac_port_config)(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface); @@ -770,7 +789,7 @@ struct mt753x_info { * @ports: Holding the state among ports * @reg_mutex: The lock for protecting among process accessing * registers - * @p5_intf_sel: Holding the current port 5 interface select + * @p5_mode: Holding the current mode of port 5 of the MT7530 switch * @p5_sgmii: Flag for distinguishing if port 5 of the MT7531 switch * has got SGMII * @irq: IRQ number of the switch @@ -778,6 +797,7 @@ struct mt753x_info { * @irq_enable: IRQ enable bits, synced to SYS_INT_EN * @create_sgmii: Pointer to function creating SGMII PCS instance(s) * @active_cpu_ports: Holding the active CPU ports + * @mdiodev: The pointer to the MDIO device structure */ struct mt7530_priv { struct device *dev; @@ -791,7 +811,7 @@ struct mt7530_priv { const struct mt753x_info *info; unsigned int id; bool mcm; - enum p5_interface_select p5_intf_sel; + enum mt7530_p5_mode p5_mode; bool p5_sgmii; u8 mirror_rx; u8 mirror_tx; @@ -804,6 +824,7 @@ struct mt7530_priv { u32 irq_enable; int (*create_sgmii)(struct mt7530_priv *priv); u8 active_cpu_ports; + struct mdio_device *mdiodev; }; struct mt7530_hw_vlan_entry { diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 80741e506f..5b4e2ce547 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -861,24 +861,27 @@ static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port, } } -static struct phylink_pcs *mv88e6xxx_mac_select_pcs(struct dsa_switch *ds, - int port, - phy_interface_t interface) +static struct phylink_pcs * +mv88e6xxx_mac_select_pcs(struct phylink_config *config, + phy_interface_t interface) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP); if (chip->info->ops->pcs_ops) - pcs = chip->info->ops->pcs_ops->pcs_select(chip, port, + pcs = chip->info->ops->pcs_ops->pcs_select(chip, dp->index, interface); return pcs; } -static int mv88e6xxx_mac_prepare(struct dsa_switch *ds, int port, +static int mv88e6xxx_mac_prepare(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; + int port = dp->index; int err = 0; /* In inband mode, the link may come up at any time while the link @@ -897,11 +900,13 @@ static int mv88e6xxx_mac_prepare(struct dsa_switch *ds, int port, return err; } -static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port, +static void mv88e6xxx_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; + int port = dp->index; int err = 0; mv88e6xxx_reg_lock(chip); @@ -917,13 +922,15 @@ err_unlock: mv88e6xxx_reg_unlock(chip); if (err && err != -EOPNOTSUPP) - dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port); + dev_err(chip->dev, "p%d: failed to configure MAC/PCS\n", port); } -static int mv88e6xxx_mac_finish(struct dsa_switch *ds, int port, +static int mv88e6xxx_mac_finish(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; + int port = dp->index; int err = 0; /* Undo the forced down state above after completing configuration @@ -947,12 +954,14 @@ static int mv88e6xxx_mac_finish(struct dsa_switch *ds, int port, return err; } -static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, +static void mv88e6xxx_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; const struct mv88e6xxx_ops *ops; + int port = dp->index; int err = 0; ops = chip->info->ops; @@ -975,14 +984,16 @@ static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, "p%d: failed to force MAC link down\n", port); } -static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, phy_interface_t interface, +static void mv88e6xxx_mac_link_up(struct phylink_config *config, struct phy_device *phydev, + unsigned int mode, phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct mv88e6xxx_chip *chip = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mv88e6xxx_chip *chip = dp->ds->priv; const struct mv88e6xxx_ops *ops; + int port = dp->index; int err = 0; ops = chip->info->ops; @@ -1008,7 +1019,7 @@ error: mv88e6xxx_reg_unlock(chip); if (err && err != -EOPNOTSUPP) - dev_err(ds->dev, + dev_err(chip->dev, "p%d: failed to configure MAC link up\n", port); } @@ -3615,7 +3626,8 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) mv88e6xxx_reg_lock(chip); if (chip->info->ops->port_set_jumbo_size) ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu); - else if (chip->info->ops->set_max_frame_size) + else if (chip->info->ops->set_max_frame_size && + dsa_is_cpu_port(ds, port)) ret = chip->info->ops->set_max_frame_size(chip, new_mtu); mv88e6xxx_reg_unlock(chip); @@ -7035,6 +7047,15 @@ static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index, return err_sync ? : err_pvt; } +static const struct phylink_mac_ops mv88e6xxx_phylink_mac_ops = { + .mac_select_pcs = mv88e6xxx_mac_select_pcs, + .mac_prepare = mv88e6xxx_mac_prepare, + .mac_config = mv88e6xxx_mac_config, + .mac_finish = mv88e6xxx_mac_finish, + .mac_link_down = mv88e6xxx_mac_link_down, + .mac_link_up = mv88e6xxx_mac_link_up, +}; + static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .get_tag_protocol = mv88e6xxx_get_tag_protocol, .change_tag_protocol = mv88e6xxx_change_tag_protocol, @@ -7043,12 +7064,6 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .port_setup = mv88e6xxx_port_setup, .port_teardown = mv88e6xxx_port_teardown, .phylink_get_caps = mv88e6xxx_get_caps, - .phylink_mac_select_pcs = mv88e6xxx_mac_select_pcs, - .phylink_mac_prepare = mv88e6xxx_mac_prepare, - .phylink_mac_config = mv88e6xxx_mac_config, - .phylink_mac_finish = mv88e6xxx_mac_finish, - .phylink_mac_link_down = mv88e6xxx_mac_link_down, - .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, @@ -7117,6 +7132,7 @@ static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip) ds->priv = chip; ds->dev = dev; ds->ops = &mv88e6xxx_switch_ops; + ds->phylink_mac_ops = &mv88e6xxx_phylink_mac_ops; ds->ageing_time_min = chip->info->age_time_coeff; ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX; diff --git a/drivers/net/dsa/mv88e6xxx/trace.h b/drivers/net/dsa/mv88e6xxx/trace.h index f59ca04768..5bd015b2b9 100644 --- a/drivers/net/dsa/mv88e6xxx/trace.h +++ b/drivers/net/dsa/mv88e6xxx/trace.h @@ -28,7 +28,7 @@ DECLARE_EVENT_CLASS(mv88e6xxx_atu_violation, ), TP_fast_assign( - __assign_str(name, dev_name(dev)); + __assign_str(name); __entry->spid = spid; __entry->portvec = portvec; memcpy(__entry->addr, addr, ETH_ALEN); @@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(mv88e6xxx_vtu_violation, ), TP_fast_assign( - __assign_str(name, dev_name(dev)); + __assign_str(name); __entry->spid = spid; __entry->vid = vid; ), diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 3c5509e75a..85952d841f 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1755,6 +1755,9 @@ static int vsc9959_stream_identify(struct flow_cls_offload *f, BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS))) return -EOPNOTSUPP; + if (flow_rule_match_has_control_flags(rule, f->common.extack)) + return -EOPNOTSUPP; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { struct flow_match_eth_addrs match; diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c index 8d9d271ac3..968cb81088 100644 --- a/drivers/net/dsa/qca/ar9331.c +++ b/drivers/net/dsa/qca/ar9331.c @@ -523,28 +523,30 @@ static void ar9331_sw_phylink_get_caps(struct dsa_switch *ds, int port, } } -static void ar9331_sw_phylink_mac_config(struct dsa_switch *ds, int port, +static void ar9331_sw_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct ar9331_sw_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ar9331_sw_priv *priv = dp->ds->priv; struct regmap *regmap = priv->regmap; int ret; - ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(port), + ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(dp->index), AR9331_SW_PORT_STATUS_LINK_EN | AR9331_SW_PORT_STATUS_FLOW_LINK_EN, 0); if (ret) dev_err_ratelimited(priv->dev, "%s: %i\n", __func__, ret); } -static void ar9331_sw_phylink_mac_link_down(struct dsa_switch *ds, int port, +static void ar9331_sw_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct ar9331_sw_priv *priv = ds->priv; - struct ar9331_sw_port *p = &priv->port[port]; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ar9331_sw_priv *priv = dp->ds->priv; struct regmap *regmap = priv->regmap; + int port = dp->index; int ret; ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(port), @@ -552,23 +554,24 @@ static void ar9331_sw_phylink_mac_link_down(struct dsa_switch *ds, int port, if (ret) dev_err_ratelimited(priv->dev, "%s: %i\n", __func__, ret); - cancel_delayed_work_sync(&p->mib_read); + cancel_delayed_work_sync(&priv->port[port].mib_read); } -static void ar9331_sw_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void ar9331_sw_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct ar9331_sw_priv *priv = ds->priv; - struct ar9331_sw_port *p = &priv->port[port]; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct ar9331_sw_priv *priv = dp->ds->priv; struct regmap *regmap = priv->regmap; + int port = dp->index; u32 val; int ret; - schedule_delayed_work(&p->mib_read, 0); + schedule_delayed_work(&priv->port[port].mib_read, 0); val = AR9331_SW_PORT_STATUS_MAC_MASK; switch (speed) { @@ -684,14 +687,17 @@ static void ar9331_get_pause_stats(struct dsa_switch *ds, int port, spin_unlock(&p->stats_lock); } +static const struct phylink_mac_ops ar9331_phylink_mac_ops = { + .mac_config = ar9331_sw_phylink_mac_config, + .mac_link_down = ar9331_sw_phylink_mac_link_down, + .mac_link_up = ar9331_sw_phylink_mac_link_up, +}; + static const struct dsa_switch_ops ar9331_sw_ops = { .get_tag_protocol = ar9331_sw_get_tag_protocol, .setup = ar9331_sw_setup, .port_disable = ar9331_sw_port_disable, .phylink_get_caps = ar9331_sw_phylink_get_caps, - .phylink_mac_config = ar9331_sw_phylink_mac_config, - .phylink_mac_link_down = ar9331_sw_phylink_mac_link_down, - .phylink_mac_link_up = ar9331_sw_phylink_mac_link_up, .get_stats64 = ar9331_get_stats64, .get_pause_stats = ar9331_get_pause_stats, }; @@ -1059,6 +1065,7 @@ static int ar9331_sw_probe(struct mdio_device *mdiodev) ds->priv = priv; priv->ops = ar9331_sw_ops; ds->ops = &priv->ops; + ds->phylink_mac_ops = &ar9331_phylink_mac_ops; dev_set_drvdata(&mdiodev->dev, priv); for (i = 0; i < ARRAY_SIZE(priv->port); i++) { diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index dab66c0c6f..b3c27cf538 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -1283,11 +1283,13 @@ qca8k_mac_config_setup_internal_delay(struct qca8k_priv *priv, int cpu_port_inde } static struct phylink_pcs * -qca8k_phylink_mac_select_pcs(struct dsa_switch *ds, int port, +qca8k_phylink_mac_select_pcs(struct phylink_config *config, phy_interface_t interface) { - struct qca8k_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct qca8k_priv *priv = dp->ds->priv; struct phylink_pcs *pcs = NULL; + int port = dp->index; switch (interface) { case PHY_INTERFACE_MODE_SGMII: @@ -1311,13 +1313,18 @@ qca8k_phylink_mac_select_pcs(struct dsa_switch *ds, int port, } static void -qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, +qca8k_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct qca8k_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct dsa_switch *ds = dp->ds; + struct qca8k_priv *priv; + int port = dp->index; int cpu_port_index; u32 reg; + priv = ds->priv; + switch (port) { case 0: /* 1st CPU port */ if (state->interface != PHY_INTERFACE_MODE_RGMII && @@ -1426,20 +1433,24 @@ static void qca8k_phylink_get_caps(struct dsa_switch *ds, int port, } static void -qca8k_phylink_mac_link_down(struct dsa_switch *ds, int port, unsigned int mode, +qca8k_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct qca8k_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct qca8k_priv *priv = dp->ds->priv; - qca8k_port_set_status(priv, port, 0); + qca8k_port_set_status(priv, dp->index, 0); } static void -qca8k_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, - phy_interface_t interface, struct phy_device *phydev, - int speed, int duplex, bool tx_pause, bool rx_pause) +qca8k_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, + phy_interface_t interface, int speed, int duplex, + bool tx_pause, bool rx_pause) { - struct qca8k_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct qca8k_priv *priv = dp->ds->priv; + int port = dp->index; u32 reg; if (phylink_autoneg_inband(mode)) { @@ -1463,10 +1474,10 @@ qca8k_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, if (duplex == DUPLEX_FULL) reg |= QCA8K_PORT_STATUS_DUPLEX; - if (rx_pause || dsa_is_cpu_port(ds, port)) + if (rx_pause || dsa_port_is_cpu(dp)) reg |= QCA8K_PORT_STATUS_RXFLOW; - if (tx_pause || dsa_is_cpu_port(ds, port)) + if (tx_pause || dsa_port_is_cpu(dp)) reg |= QCA8K_PORT_STATUS_TXFLOW; } @@ -1991,6 +2002,13 @@ qca8k_setup(struct dsa_switch *ds) return 0; } +static const struct phylink_mac_ops qca8k_phylink_mac_ops = { + .mac_select_pcs = qca8k_phylink_mac_select_pcs, + .mac_config = qca8k_phylink_mac_config, + .mac_link_down = qca8k_phylink_mac_link_down, + .mac_link_up = qca8k_phylink_mac_link_up, +}; + static const struct dsa_switch_ops qca8k_switch_ops = { .get_tag_protocol = qca8k_get_tag_protocol, .setup = qca8k_setup, @@ -2021,10 +2039,6 @@ static const struct dsa_switch_ops qca8k_switch_ops = { .port_vlan_add = qca8k_port_vlan_add, .port_vlan_del = qca8k_port_vlan_del, .phylink_get_caps = qca8k_phylink_get_caps, - .phylink_mac_select_pcs = qca8k_phylink_mac_select_pcs, - .phylink_mac_config = qca8k_phylink_mac_config, - .phylink_mac_link_down = qca8k_phylink_mac_link_down, - .phylink_mac_link_up = qca8k_phylink_mac_link_up, .get_phy_flags = qca8k_get_phy_flags, .port_lag_join = qca8k_port_lag_join, .port_lag_leave = qca8k_port_lag_leave, @@ -2091,6 +2105,7 @@ qca8k_sw_probe(struct mdio_device *mdiodev) priv->ds->num_ports = QCA8K_NUM_PORTS; priv->ds->priv = priv; priv->ds->ops = &qca8k_switch_ops; + priv->ds->phylink_mac_ops = &qca8k_phylink_mac_ops; mutex_init(&priv->reg_mutex); dev_set_drvdata(&mdiodev->dev, priv); diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h index e0b1aa0133..a1b2e0b529 100644 --- a/drivers/net/dsa/realtek/realtek.h +++ b/drivers/net/dsa/realtek/realtek.h @@ -17,6 +17,7 @@ #define REALTEK_HW_STOP_DELAY 25 /* msecs */ #define REALTEK_HW_START_DELAY 100 /* msecs */ +struct phylink_mac_ops; struct realtek_ops; struct dentry; struct inode; @@ -117,6 +118,7 @@ struct realtek_ops { struct realtek_variant { const struct dsa_switch_ops *ds_ops; const struct realtek_ops *ops; + const struct phylink_mac_ops *phylink_mac_ops; unsigned int clk_delay; u8 cmd_read; u8 cmd_write; diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 12665a8a34..b9674f68b7 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -1048,11 +1048,13 @@ static void rtl8365mb_phylink_get_caps(struct dsa_switch *ds, int port, phy_interface_set_rgmii(config->supported_interfaces); } -static void rtl8365mb_phylink_mac_config(struct dsa_switch *ds, int port, +static void rtl8365mb_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct realtek_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct realtek_priv *priv = dp->ds->priv; + u8 port = dp->index; int ret; if (mode != MLO_AN_PHY && mode != MLO_AN_FIXED) { @@ -1076,13 +1078,15 @@ static void rtl8365mb_phylink_mac_config(struct dsa_switch *ds, int port, */ } -static void rtl8365mb_phylink_mac_link_down(struct dsa_switch *ds, int port, +static void rtl8365mb_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct realtek_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct realtek_priv *priv = dp->ds->priv; struct rtl8365mb_port *p; struct rtl8365mb *mb; + u8 port = dp->index; int ret; mb = priv->chip_data; @@ -1101,16 +1105,18 @@ static void rtl8365mb_phylink_mac_link_down(struct dsa_switch *ds, int port, } } -static void rtl8365mb_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void rtl8365mb_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, + int speed, int duplex, bool tx_pause, bool rx_pause) { - struct realtek_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct realtek_priv *priv = dp->ds->priv; struct rtl8365mb_port *p; struct rtl8365mb *mb; + u8 port = dp->index; int ret; mb = priv->chip_data; @@ -2106,15 +2112,18 @@ static int rtl8365mb_detect(struct realtek_priv *priv) return 0; } +static const struct phylink_mac_ops rtl8365mb_phylink_mac_ops = { + .mac_config = rtl8365mb_phylink_mac_config, + .mac_link_down = rtl8365mb_phylink_mac_link_down, + .mac_link_up = rtl8365mb_phylink_mac_link_up, +}; + static const struct dsa_switch_ops rtl8365mb_switch_ops = { .get_tag_protocol = rtl8365mb_get_tag_protocol, .change_tag_protocol = rtl8365mb_change_tag_protocol, .setup = rtl8365mb_setup, .teardown = rtl8365mb_teardown, .phylink_get_caps = rtl8365mb_phylink_get_caps, - .phylink_mac_config = rtl8365mb_phylink_mac_config, - .phylink_mac_link_down = rtl8365mb_phylink_mac_link_down, - .phylink_mac_link_up = rtl8365mb_phylink_mac_link_up, .port_stp_state_set = rtl8365mb_port_stp_state_set, .get_strings = rtl8365mb_get_strings, .get_ethtool_stats = rtl8365mb_get_ethtool_stats, @@ -2136,6 +2145,7 @@ static const struct realtek_ops rtl8365mb_ops = { const struct realtek_variant rtl8365mb_variant = { .ds_ops = &rtl8365mb_switch_ops, .ops = &rtl8365mb_ops, + .phylink_mac_ops = &rtl8365mb_phylink_mac_ops, .clk_delay = 10, .cmd_read = 0xb9, .cmd_write = 0xb8, diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c index 5ccb1a3a14..9e821b42e5 100644 --- a/drivers/net/dsa/realtek/rtl8366rb.c +++ b/drivers/net/dsa/realtek/rtl8366rb.c @@ -176,6 +176,7 @@ #define RTL8366RB_VLAN_INGRESS_CTRL2_REG 0x037f /* LED control registers */ +/* The LED blink rate is global; it is used by all triggers in all groups. */ #define RTL8366RB_LED_BLINKRATE_REG 0x0430 #define RTL8366RB_LED_BLINKRATE_MASK 0x0007 #define RTL8366RB_LED_BLINKRATE_28MS 0x0000 @@ -191,31 +192,21 @@ (4 * (led_group)) #define RTL8366RB_LED_CTRL_MASK(led_group) \ (0xf << RTL8366RB_LED_CTRL_OFFSET(led_group)) -#define RTL8366RB_LED_OFF 0x0 -#define RTL8366RB_LED_DUP_COL 0x1 -#define RTL8366RB_LED_LINK_ACT 0x2 -#define RTL8366RB_LED_SPD1000 0x3 -#define RTL8366RB_LED_SPD100 0x4 -#define RTL8366RB_LED_SPD10 0x5 -#define RTL8366RB_LED_SPD1000_ACT 0x6 -#define RTL8366RB_LED_SPD100_ACT 0x7 -#define RTL8366RB_LED_SPD10_ACT 0x8 -#define RTL8366RB_LED_SPD100_10_ACT 0x9 -#define RTL8366RB_LED_FIBER 0xa -#define RTL8366RB_LED_AN_FAULT 0xb -#define RTL8366RB_LED_LINK_RX 0xc -#define RTL8366RB_LED_LINK_TX 0xd -#define RTL8366RB_LED_MASTER 0xe -#define RTL8366RB_LED_FORCE 0xf /* The RTL8366RB_LED_X_X registers are used to manually set the LED state only * when the corresponding LED group in RTL8366RB_LED_CTRL_REG is - * RTL8366RB_LED_FORCE. Otherwise, it is ignored. + * RTL8366RB_LEDGROUP_FORCE. Otherwise, it is ignored. */ #define RTL8366RB_LED_0_1_CTRL_REG 0x0432 -#define RTL8366RB_LED_1_OFFSET 6 #define RTL8366RB_LED_2_3_CTRL_REG 0x0433 -#define RTL8366RB_LED_3_OFFSET 6 +#define RTL8366RB_LED_X_X_CTRL_REG(led_group) \ + ((led_group) <= 1 ? \ + RTL8366RB_LED_0_1_CTRL_REG : \ + RTL8366RB_LED_2_3_CTRL_REG) +#define RTL8366RB_LED_0_X_CTRL_MASK GENMASK(5, 0) +#define RTL8366RB_LED_X_1_CTRL_MASK GENMASK(11, 6) +#define RTL8366RB_LED_2_X_CTRL_MASK GENMASK(5, 0) +#define RTL8366RB_LED_X_3_CTRL_MASK GENMASK(11, 6) #define RTL8366RB_MIB_COUNT 33 #define RTL8366RB_GLOBAL_MIB_COUNT 1 @@ -359,14 +350,44 @@ #define RTL8366RB_GREEN_FEATURE_TX BIT(0) #define RTL8366RB_GREEN_FEATURE_RX BIT(2) +enum rtl8366_ledgroup_mode { + RTL8366RB_LEDGROUP_OFF = 0x0, + RTL8366RB_LEDGROUP_DUP_COL = 0x1, + RTL8366RB_LEDGROUP_LINK_ACT = 0x2, + RTL8366RB_LEDGROUP_SPD1000 = 0x3, + RTL8366RB_LEDGROUP_SPD100 = 0x4, + RTL8366RB_LEDGROUP_SPD10 = 0x5, + RTL8366RB_LEDGROUP_SPD1000_ACT = 0x6, + RTL8366RB_LEDGROUP_SPD100_ACT = 0x7, + RTL8366RB_LEDGROUP_SPD10_ACT = 0x8, + RTL8366RB_LEDGROUP_SPD100_10_ACT = 0x9, + RTL8366RB_LEDGROUP_FIBER = 0xa, + RTL8366RB_LEDGROUP_AN_FAULT = 0xb, + RTL8366RB_LEDGROUP_LINK_RX = 0xc, + RTL8366RB_LEDGROUP_LINK_TX = 0xd, + RTL8366RB_LEDGROUP_MASTER = 0xe, + RTL8366RB_LEDGROUP_FORCE = 0xf, + + __RTL8366RB_LEDGROUP_MODE_MAX +}; + +struct rtl8366rb_led { + u8 port_num; + u8 led_group; + struct realtek_priv *priv; + struct led_classdev cdev; +}; + /** * struct rtl8366rb - RTL8366RB-specific data * @max_mtu: per-port max MTU setting * @pvid_enabled: if PVID is set for respective port + * @leds: per-port and per-ledgroup led info */ struct rtl8366rb { unsigned int max_mtu[RTL8366RB_NUM_PORTS]; bool pvid_enabled[RTL8366RB_NUM_PORTS]; + struct rtl8366rb_led leds[RTL8366RB_NUM_PORTS][RTL8366RB_NUM_LEDGROUPS]; }; static struct rtl8366_mib_counter rtl8366rb_mib_counters[] = { @@ -809,6 +830,217 @@ static int rtl8366rb_jam_table(const struct rtl8366rb_jam_tbl_entry *jam_table, return 0; } +static int rb8366rb_set_ledgroup_mode(struct realtek_priv *priv, + u8 led_group, + enum rtl8366_ledgroup_mode mode) +{ + int ret; + u32 val; + + val = mode << RTL8366RB_LED_CTRL_OFFSET(led_group); + + ret = regmap_update_bits(priv->map, + RTL8366RB_LED_CTRL_REG, + RTL8366RB_LED_CTRL_MASK(led_group), + val); + if (ret) + return ret; + + return 0; +} + +static inline u32 rtl8366rb_led_group_port_mask(u8 led_group, u8 port) +{ + switch (led_group) { + case 0: + return FIELD_PREP(RTL8366RB_LED_0_X_CTRL_MASK, BIT(port)); + case 1: + return FIELD_PREP(RTL8366RB_LED_0_X_CTRL_MASK, BIT(port)); + case 2: + return FIELD_PREP(RTL8366RB_LED_0_X_CTRL_MASK, BIT(port)); + case 3: + return FIELD_PREP(RTL8366RB_LED_0_X_CTRL_MASK, BIT(port)); + default: + return 0; + } +} + +static int rb8366rb_get_port_led(struct rtl8366rb_led *led) +{ + struct realtek_priv *priv = led->priv; + u8 led_group = led->led_group; + u8 port_num = led->port_num; + int ret; + u32 val; + + ret = regmap_read(priv->map, RTL8366RB_LED_X_X_CTRL_REG(led_group), + &val); + if (ret) { + dev_err(priv->dev, "error reading LED on port %d group %d\n", + led_group, port_num); + return ret; + } + + return !!(val & rtl8366rb_led_group_port_mask(led_group, port_num)); +} + +static int rb8366rb_set_port_led(struct rtl8366rb_led *led, bool enable) +{ + struct realtek_priv *priv = led->priv; + u8 led_group = led->led_group; + u8 port_num = led->port_num; + int ret; + + ret = regmap_update_bits(priv->map, + RTL8366RB_LED_X_X_CTRL_REG(led_group), + rtl8366rb_led_group_port_mask(led_group, + port_num), + enable ? 0xffff : 0); + if (ret) { + dev_err(priv->dev, "error updating LED on port %d group %d\n", + led_group, port_num); + return ret; + } + + /* Change the LED group to manual controlled LEDs if required */ + ret = rb8366rb_set_ledgroup_mode(priv, led_group, + RTL8366RB_LEDGROUP_FORCE); + + if (ret) { + dev_err(priv->dev, "error updating LED GROUP group %d\n", + led_group); + return ret; + } + + return 0; +} + +static int +rtl8366rb_cled_brightness_set_blocking(struct led_classdev *ldev, + enum led_brightness brightness) +{ + struct rtl8366rb_led *led = container_of(ldev, struct rtl8366rb_led, + cdev); + + return rb8366rb_set_port_led(led, brightness == LED_ON); +} + +static int rtl8366rb_setup_led(struct realtek_priv *priv, struct dsa_port *dp, + struct fwnode_handle *led_fwnode) +{ + struct rtl8366rb *rb = priv->chip_data; + struct led_init_data init_data = { }; + enum led_default_state state; + struct rtl8366rb_led *led; + u32 led_group; + int ret; + + ret = fwnode_property_read_u32(led_fwnode, "reg", &led_group); + if (ret) + return ret; + + if (led_group >= RTL8366RB_NUM_LEDGROUPS) { + dev_warn(priv->dev, "Invalid LED reg %d defined for port %d", + led_group, dp->index); + return -EINVAL; + } + + led = &rb->leds[dp->index][led_group]; + led->port_num = dp->index; + led->led_group = led_group; + led->priv = priv; + + state = led_init_default_state_get(led_fwnode); + switch (state) { + case LEDS_DEFSTATE_ON: + led->cdev.brightness = 1; + rb8366rb_set_port_led(led, 1); + break; + case LEDS_DEFSTATE_KEEP: + led->cdev.brightness = + rb8366rb_get_port_led(led); + break; + case LEDS_DEFSTATE_OFF: + default: + led->cdev.brightness = 0; + rb8366rb_set_port_led(led, 0); + } + + led->cdev.max_brightness = 1; + led->cdev.brightness_set_blocking = + rtl8366rb_cled_brightness_set_blocking; + init_data.fwnode = led_fwnode; + init_data.devname_mandatory = true; + + init_data.devicename = kasprintf(GFP_KERNEL, "Realtek-%d:0%d:%d", + dp->ds->index, dp->index, led_group); + if (!init_data.devicename) + return -ENOMEM; + + ret = devm_led_classdev_register_ext(priv->dev, &led->cdev, &init_data); + if (ret) { + dev_warn(priv->dev, "Failed to init LED %d for port %d", + led_group, dp->index); + return ret; + } + + return 0; +} + +static int rtl8366rb_setup_all_leds_off(struct realtek_priv *priv) +{ + int ret = 0; + int i; + + regmap_update_bits(priv->map, + RTL8366RB_INTERRUPT_CONTROL_REG, + RTL8366RB_P4_RGMII_LED, + 0); + + for (i = 0; i < RTL8366RB_NUM_LEDGROUPS; i++) { + ret = rb8366rb_set_ledgroup_mode(priv, i, + RTL8366RB_LEDGROUP_OFF); + if (ret) + return ret; + } + + return ret; +} + +static int rtl8366rb_setup_leds(struct realtek_priv *priv) +{ + struct device_node *leds_np, *led_np; + struct dsa_switch *ds = &priv->ds; + struct dsa_port *dp; + int ret = 0; + + dsa_switch_for_each_port(dp, ds) { + if (!dp->dn) + continue; + + leds_np = of_get_child_by_name(dp->dn, "leds"); + if (!leds_np) { + dev_dbg(priv->dev, "No leds defined for port %d", + dp->index); + continue; + } + + for_each_child_of_node(leds_np, led_np) { + ret = rtl8366rb_setup_led(priv, dp, + of_fwnode_handle(led_np)); + if (ret) { + of_node_put(led_np); + break; + } + } + + of_node_put(leds_np); + if (ret) + return ret; + } + return 0; +} + static int rtl8366rb_setup(struct dsa_switch *ds) { struct realtek_priv *priv = ds->priv; @@ -817,7 +1049,6 @@ static int rtl8366rb_setup(struct dsa_switch *ds) u32 chip_ver = 0; u32 chip_id = 0; int jam_size; - u32 val; int ret; int i; @@ -997,7 +1228,9 @@ static int rtl8366rb_setup(struct dsa_switch *ds) if (ret) return ret; - /* Set blinking, TODO: make this configurable */ + /* Set blinking, used by all LED groups using HW triggers. + * TODO: make this configurable + */ ret = regmap_update_bits(priv->map, RTL8366RB_LED_BLINKRATE_REG, RTL8366RB_LED_BLINKRATE_MASK, RTL8366RB_LED_BLINKRATE_56MS); @@ -1005,26 +1238,19 @@ static int rtl8366rb_setup(struct dsa_switch *ds) return ret; /* Set up LED activity: - * Each port has 4 LEDs, we configure all ports to the same - * behaviour (no individual config) but we can set up each - * LED separately. + * Each port has 4 LEDs on fixed groups. Each group shares the same + * hardware trigger across all ports. LEDs can only be indiviually + * controlled setting the LED group to fixed mode and using the driver + * to toggle them LEDs on/off. */ if (priv->leds_disabled) { - /* Turn everything off */ - regmap_update_bits(priv->map, - RTL8366RB_INTERRUPT_CONTROL_REG, - RTL8366RB_P4_RGMII_LED, - 0); - - for (i = 0; i < RTL8366RB_NUM_LEDGROUPS; i++) { - val = RTL8366RB_LED_OFF << RTL8366RB_LED_CTRL_OFFSET(i); - ret = regmap_update_bits(priv->map, - RTL8366RB_LED_CTRL_REG, - RTL8366RB_LED_CTRL_MASK(i), - val); - if (ret) - return ret; - } + ret = rtl8366rb_setup_all_leds_off(priv); + if (ret) + return ret; + } else { + ret = rtl8366rb_setup_leds(priv); + if (ret) + return ret; } ret = rtl8366_reset_vlan(priv); @@ -1079,11 +1305,19 @@ static void rtl8366rb_phylink_get_caps(struct dsa_switch *ds, int port, } static void -rtl8366rb_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, - phy_interface_t interface, struct phy_device *phydev, +rtl8366rb_mac_config(struct phylink_config *config, unsigned int mode, + const struct phylink_link_state *state) +{ +} + +static void +rtl8366rb_mac_link_up(struct phylink_config *config, struct phy_device *phydev, + unsigned int mode, phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct realtek_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct realtek_priv *priv = dp->ds->priv; + int port = dp->index; unsigned int val; int ret; @@ -1149,10 +1383,12 @@ rtl8366rb_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode, } static void -rtl8366rb_mac_link_down(struct dsa_switch *ds, int port, unsigned int mode, +rtl8366rb_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct realtek_priv *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct realtek_priv *priv = dp->ds->priv; + int port = dp->index; int ret; if (port != priv->cpu_port) @@ -1802,12 +2038,16 @@ static int rtl8366rb_detect(struct realtek_priv *priv) return 0; } +static const struct phylink_mac_ops rtl8366rb_phylink_mac_ops = { + .mac_config = rtl8366rb_mac_config, + .mac_link_down = rtl8366rb_mac_link_down, + .mac_link_up = rtl8366rb_mac_link_up, +}; + static const struct dsa_switch_ops rtl8366rb_switch_ops = { .get_tag_protocol = rtl8366_get_tag_protocol, .setup = rtl8366rb_setup, .phylink_get_caps = rtl8366rb_phylink_get_caps, - .phylink_mac_link_up = rtl8366rb_mac_link_up, - .phylink_mac_link_down = rtl8366rb_mac_link_down, .get_strings = rtl8366_get_strings, .get_ethtool_stats = rtl8366_get_ethtool_stats, .get_sset_count = rtl8366_get_sset_count, @@ -1845,6 +2085,7 @@ static const struct realtek_ops rtl8366rb_ops = { const struct realtek_variant rtl8366rb_variant = { .ds_ops = &rtl8366rb_switch_ops, .ops = &rtl8366rb_ops, + .phylink_mac_ops = &rtl8366rb_phylink_mac_ops, .clk_delay = 10, .cmd_read = 0xa9, .cmd_write = 0xa8, diff --git a/drivers/net/dsa/realtek/rtl83xx.c b/drivers/net/dsa/realtek/rtl83xx.c index a9c1702431..35709a1756 100644 --- a/drivers/net/dsa/realtek/rtl83xx.c +++ b/drivers/net/dsa/realtek/rtl83xx.c @@ -236,6 +236,7 @@ int rtl83xx_register_switch(struct realtek_priv *priv) ds->priv = priv; ds->dev = priv->dev; ds->ops = priv->variant->ds_ops; + ds->phylink_mac_ops = priv->variant->phylink_mac_ops; ds->num_ports = priv->num_ports; ret = dsa_register_switch(ds); diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c index 10092ea85e..92e032972b 100644 --- a/drivers/net/dsa/rzn1_a5psw.c +++ b/drivers/net/dsa/rzn1_a5psw.c @@ -239,23 +239,31 @@ static void a5psw_phylink_get_caps(struct dsa_switch *ds, int port, } static struct phylink_pcs * -a5psw_phylink_mac_select_pcs(struct dsa_switch *ds, int port, +a5psw_phylink_mac_select_pcs(struct phylink_config *config, phy_interface_t interface) { - struct dsa_port *dp = dsa_to_port(ds, port); - struct a5psw *a5psw = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct a5psw *a5psw = dp->ds->priv; - if (!dsa_port_is_cpu(dp) && a5psw->pcs[port]) - return a5psw->pcs[port]; + if (dsa_port_is_cpu(dp)) + return NULL; - return NULL; + return a5psw->pcs[dp->index]; +} + +static void a5psw_phylink_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) +{ } -static void a5psw_phylink_mac_link_down(struct dsa_switch *ds, int port, +static void a5psw_phylink_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct a5psw *a5psw = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct a5psw *a5psw = dp->ds->priv; + int port = dp->index; u32 cmd_cfg; cmd_cfg = a5psw_reg_readl(a5psw, A5PSW_CMD_CFG(port)); @@ -263,15 +271,17 @@ static void a5psw_phylink_mac_link_down(struct dsa_switch *ds, int port, a5psw_reg_writel(a5psw, A5PSW_CMD_CFG(port), cmd_cfg); } -static void a5psw_phylink_mac_link_up(struct dsa_switch *ds, int port, +static void a5psw_phylink_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, bool rx_pause) + int speed, int duplex, bool tx_pause, + bool rx_pause) { u32 cmd_cfg = A5PSW_CMD_CFG_RX_ENA | A5PSW_CMD_CFG_TX_ENA | A5PSW_CMD_CFG_TX_CRC_APPEND; - struct a5psw *a5psw = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct a5psw *a5psw = dp->ds->priv; if (speed == SPEED_1000) cmd_cfg |= A5PSW_CMD_CFG_ETH_SPEED; @@ -284,7 +294,7 @@ static void a5psw_phylink_mac_link_up(struct dsa_switch *ds, int port, if (!rx_pause) cmd_cfg &= ~A5PSW_CMD_CFG_PAUSE_IGNORE; - a5psw_reg_writel(a5psw, A5PSW_CMD_CFG(port), cmd_cfg); + a5psw_reg_writel(a5psw, A5PSW_CMD_CFG(dp->index), cmd_cfg); } static int a5psw_set_ageing_time(struct dsa_switch *ds, unsigned int msecs) @@ -992,15 +1002,19 @@ static int a5psw_setup(struct dsa_switch *ds) return 0; } +static const struct phylink_mac_ops a5psw_phylink_mac_ops = { + .mac_select_pcs = a5psw_phylink_mac_select_pcs, + .mac_config = a5psw_phylink_mac_config, + .mac_link_down = a5psw_phylink_mac_link_down, + .mac_link_up = a5psw_phylink_mac_link_up, +}; + static const struct dsa_switch_ops a5psw_switch_ops = { .get_tag_protocol = a5psw_get_tag_protocol, .setup = a5psw_setup, .port_disable = a5psw_port_disable, .port_enable = a5psw_port_enable, .phylink_get_caps = a5psw_phylink_get_caps, - .phylink_mac_select_pcs = a5psw_phylink_mac_select_pcs, - .phylink_mac_link_down = a5psw_phylink_mac_link_down, - .phylink_mac_link_up = a5psw_phylink_mac_link_up, .port_change_mtu = a5psw_port_change_mtu, .port_max_mtu = a5psw_port_max_mtu, .get_sset_count = a5psw_get_sset_count, @@ -1252,6 +1266,7 @@ static int a5psw_probe(struct platform_device *pdev) ds->dev = dev; ds->num_ports = A5PSW_PORTS_NUM; ds->ops = &a5psw_switch_ops; + ds->phylink_mac_ops = &a5psw_phylink_mac_ops; ds->priv = a5psw; ret = dsa_register_switch(ds); diff --git a/drivers/net/dsa/sja1105/sja1105_flower.c b/drivers/net/dsa/sja1105/sja1105_flower.c index 9e8ca182c7..05d8ed3121 100644 --- a/drivers/net/dsa/sja1105/sja1105_flower.c +++ b/drivers/net/dsa/sja1105/sja1105_flower.c @@ -214,6 +214,9 @@ static int sja1105_flower_parse_key(struct sja1105_private *priv, return -EOPNOTSUPP; } + if (flow_rule_match_has_control_flags(rule, extack)) + return -EOPNOTSUPP; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { struct flow_match_basic match; diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 6646f7fb0f..ee0fb1c343 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1358,10 +1358,11 @@ static int sja1105_adjust_port_config(struct sja1105_private *priv, int port, } static struct phylink_pcs * -sja1105_mac_select_pcs(struct dsa_switch *ds, int port, phy_interface_t iface) +sja1105_mac_select_pcs(struct phylink_config *config, phy_interface_t iface) { - struct sja1105_private *priv = ds->priv; - struct dw_xpcs *xpcs = priv->xpcs[port]; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct sja1105_private *priv = dp->ds->priv; + struct dw_xpcs *xpcs = priv->xpcs[dp->index]; if (xpcs) return &xpcs->pcs; @@ -1369,21 +1370,31 @@ sja1105_mac_select_pcs(struct dsa_switch *ds, int port, phy_interface_t iface) return NULL; } -static void sja1105_mac_link_down(struct dsa_switch *ds, int port, +static void sja1105_mac_config(struct phylink_config *config, + unsigned int mode, + const struct phylink_link_state *state) +{ +} + +static void sja1105_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - sja1105_inhibit_tx(ds->priv, BIT(port), true); + struct dsa_port *dp = dsa_phylink_to_port(config); + + sja1105_inhibit_tx(dp->ds->priv, BIT(dp->index), true); } -static void sja1105_mac_link_up(struct dsa_switch *ds, int port, +static void sja1105_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct sja1105_private *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct sja1105_private *priv = dp->ds->priv; + int port = dp->index; sja1105_adjust_port_config(priv, port, speed); @@ -3198,6 +3209,13 @@ static void sja1105_teardown(struct dsa_switch *ds) sja1105_static_config_free(&priv->static_config); } +static const struct phylink_mac_ops sja1105_phylink_mac_ops = { + .mac_select_pcs = sja1105_mac_select_pcs, + .mac_config = sja1105_mac_config, + .mac_link_up = sja1105_mac_link_up, + .mac_link_down = sja1105_mac_link_down, +}; + static const struct dsa_switch_ops sja1105_switch_ops = { .get_tag_protocol = sja1105_get_tag_protocol, .connect_tag_protocol = sja1105_connect_tag_protocol, @@ -3207,9 +3225,6 @@ static const struct dsa_switch_ops sja1105_switch_ops = { .port_change_mtu = sja1105_change_mtu, .port_max_mtu = sja1105_get_max_mtu, .phylink_get_caps = sja1105_phylink_get_caps, - .phylink_mac_select_pcs = sja1105_mac_select_pcs, - .phylink_mac_link_up = sja1105_mac_link_up, - .phylink_mac_link_down = sja1105_mac_link_down, .get_strings = sja1105_get_strings, .get_ethtool_stats = sja1105_get_ethtool_stats, .get_sset_count = sja1105_get_sset_count, @@ -3375,6 +3390,7 @@ static int sja1105_probe(struct spi_device *spi) ds->dev = dev; ds->num_ports = priv->info->num_ports; ds->ops = &sja1105_switch_ops; + ds->phylink_mac_ops = &sja1105_phylink_mac_ops; ds->priv = priv; priv->ds = ds; @@ -3456,7 +3472,6 @@ MODULE_DEVICE_TABLE(spi, sja1105_spi_ids); static struct spi_driver sja1105_driver = { .driver = { .name = "sja1105", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(sja1105_dt_ids), }, .id_table = sja1105_spi_ids, diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index ae70eac3be..4b031fefce 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> +#include <linux/iopoll.h> #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/bitops.h> @@ -268,6 +269,9 @@ #define IS_7398(a) ((a)->chipid == VSC73XX_CHIPID_ID_7398) #define IS_739X(a) (IS_7395(a) || IS_7398(a)) +#define VSC73XX_POLL_SLEEP_US 1000 +#define VSC73XX_POLL_TIMEOUT_US 10000 + struct vsc73xx_counter { u8 counter; const char *name; @@ -713,51 +717,44 @@ static void vsc73xx_init_port(struct vsc73xx *vsc, int port) port, VSC73XX_C_RX0, 0); } -static void vsc73xx_adjust_enable_port(struct vsc73xx *vsc, - int port, struct phy_device *phydev, - u32 initval) +static void vsc73xx_reset_port(struct vsc73xx *vsc, int port, u32 initval) { - u32 val = initval; - u8 seed; - - /* Reset this port FIXME: break out subroutine */ - val |= VSC73XX_MAC_CFG_RESET; - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, val); - - /* Seed the port randomness with randomness */ - get_random_bytes(&seed, 1); - val |= seed << VSC73XX_MAC_CFG_SEED_OFFSET; - val |= VSC73XX_MAC_CFG_SEED_LOAD; - val |= VSC73XX_MAC_CFG_WEXC_DIS; - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, val); + int ret, err; + u32 val; - /* Flow control for the PHY facing ports: - * Use a zero delay pause frame when pause condition is left - * Obey pause control frames - * When generating pause frames, use 0xff as pause value - */ - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_FCCONF, - VSC73XX_FCCONF_ZERO_PAUSE_EN | - VSC73XX_FCCONF_FLOW_CTRL_OBEY | - 0xff); + /* Disable RX on this port */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, + VSC73XX_MAC_CFG, + VSC73XX_MAC_CFG_RX_EN, 0); - /* Disallow backward dropping of frames from this port */ + /* Discard packets */ vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_SBACKWDROP, BIT(port), 0); + VSC73XX_ARBDISC, BIT(port), BIT(port)); + + /* Wait until queue is empty */ + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || (val & BIT(port)), + VSC73XX_POLL_SLEEP_US, + VSC73XX_POLL_TIMEOUT_US, false, + vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBEMPTY, &val); + if (ret) + dev_err(vsc->dev, + "timeout waiting for block arbiter\n"); + else if (err < 0) + dev_err(vsc->dev, "error reading arbiter\n"); - /* Enable TX, RX, deassert reset, stop loading seed */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, - VSC73XX_MAC_CFG, - VSC73XX_MAC_CFG_RESET | VSC73XX_MAC_CFG_SEED_LOAD | - VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN, - VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN); + /* Put this port into reset */ + vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, + VSC73XX_MAC_CFG_RESET | initval); } -static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, - struct phy_device *phydev) +static void vsc73xx_mac_config(struct phylink_config *config, unsigned int mode, + const struct phylink_link_state *state) { - struct vsc73xx *vsc = ds->priv; - u32 val; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct vsc73xx *vsc = dp->ds->priv; + int port = dp->index; /* Special handling of the CPU-facing port */ if (port == CPU_PORT) { @@ -774,104 +771,93 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, VSC73XX_ADVPORTM_ENA_GTX | VSC73XX_ADVPORTM_DDR_MODE); } +} + +static void vsc73xx_mac_link_down(struct phylink_config *config, + unsigned int mode, phy_interface_t interface) +{ + struct dsa_port *dp = dsa_phylink_to_port(config); + struct vsc73xx *vsc = dp->ds->priv; + int port = dp->index; - /* This is the MAC confiuration that always need to happen - * after a PHY or the CPU port comes up or down. + /* This routine is described in the datasheet (below ARBDISC register + * description) */ - if (!phydev->link) { - int maxloop = 10; - - dev_dbg(vsc->dev, "port %d: went down\n", - port); - - /* Disable RX on this port */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, - VSC73XX_MAC_CFG, - VSC73XX_MAC_CFG_RX_EN, 0); - - /* Discard packets */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBDISC, BIT(port), BIT(port)); - - /* Wait until queue is empty */ - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - while (!(val & BIT(port))) { - msleep(1); - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - if (--maxloop == 0) { - dev_err(vsc->dev, - "timeout waiting for block arbiter\n"); - /* Continue anyway */ - break; - } - } + vsc73xx_reset_port(vsc, port, 0); + + /* Allow backward dropping of frames from this port */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_SBACKWDROP, BIT(port), BIT(port)); + + /* Receive mask (disable forwarding) */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, + VSC73XX_RECVMASK, BIT(port), 0); +} + +static void vsc73xx_mac_link_up(struct phylink_config *config, + struct phy_device *phy, unsigned int mode, + phy_interface_t interface, int speed, + int duplex, bool tx_pause, bool rx_pause) +{ + struct dsa_port *dp = dsa_phylink_to_port(config); + struct vsc73xx *vsc = dp->ds->priv; + int port = dp->index; + u32 val; + u8 seed; - /* Put this port into reset */ - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, - VSC73XX_MAC_CFG_RESET); + if (speed == SPEED_1000) + val = VSC73XX_MAC_CFG_GIGA_MODE | VSC73XX_MAC_CFG_TX_IPG_1000M; + else + val = VSC73XX_MAC_CFG_TX_IPG_100_10M; - /* Accept packets again */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBDISC, BIT(port), 0); + if (phy_interface_mode_is_rgmii(interface)) + val |= VSC73XX_MAC_CFG_CLK_SEL_1000M; + else + val |= VSC73XX_MAC_CFG_CLK_SEL_EXT; - /* Allow backward dropping of frames from this port */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_SBACKWDROP, BIT(port), BIT(port)); + if (duplex == DUPLEX_FULL) + val |= VSC73XX_MAC_CFG_FDX; - /* Receive mask (disable forwarding) */ - vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, - VSC73XX_RECVMASK, BIT(port), 0); + /* This routine is described in the datasheet (below ARBDISC register + * description) + */ + vsc73xx_reset_port(vsc, port, val); - return; - } + /* Seed the port randomness with randomness */ + get_random_bytes(&seed, 1); + val |= seed << VSC73XX_MAC_CFG_SEED_OFFSET; + val |= VSC73XX_MAC_CFG_SEED_LOAD; + val |= VSC73XX_MAC_CFG_WEXC_DIS; + vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, val); - /* Figure out what speed was negotiated */ - if (phydev->speed == SPEED_1000) { - dev_dbg(vsc->dev, "port %d: 1000 Mbit mode full duplex\n", - port); - - /* Set up default for internal port or external RGMII */ - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) - val = VSC73XX_MAC_CFG_1000M_F_RGMII; - else - val = VSC73XX_MAC_CFG_1000M_F_PHY; - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else if (phydev->speed == SPEED_100) { - if (phydev->duplex == DUPLEX_FULL) { - val = VSC73XX_MAC_CFG_100_10M_F_PHY; - dev_dbg(vsc->dev, - "port %d: 100 Mbit full duplex mode\n", - port); - } else { - val = VSC73XX_MAC_CFG_100_10M_H_PHY; - dev_dbg(vsc->dev, - "port %d: 100 Mbit half duplex mode\n", - port); - } - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else if (phydev->speed == SPEED_10) { - if (phydev->duplex == DUPLEX_FULL) { - val = VSC73XX_MAC_CFG_100_10M_F_PHY; - dev_dbg(vsc->dev, - "port %d: 10 Mbit full duplex mode\n", - port); - } else { - val = VSC73XX_MAC_CFG_100_10M_H_PHY; - dev_dbg(vsc->dev, - "port %d: 10 Mbit half duplex mode\n", - port); - } - vsc73xx_adjust_enable_port(vsc, port, phydev, val); - } else { - dev_err(vsc->dev, - "could not adjust link: unknown speed\n"); - } + /* Flow control for the PHY facing ports: + * Use a zero delay pause frame when pause condition is left + * Obey pause control frames + * When generating pause frames, use 0xff as pause value + */ + vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_FCCONF, + VSC73XX_FCCONF_ZERO_PAUSE_EN | + VSC73XX_FCCONF_FLOW_CTRL_OBEY | + 0xff); - /* Enable port (forwarding) in the receieve mask */ + /* Accept packets again */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBDISC, BIT(port), 0); + + /* Enable port (forwarding) in the receive mask */ vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ANALYZER, 0, VSC73XX_RECVMASK, BIT(port), BIT(port)); + + /* Disallow backward dropping of frames from this port */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_SBACKWDROP, BIT(port), 0); + + /* Enable TX, RX, deassert reset, stop loading seed */ + vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, + VSC73XX_MAC_CFG, + VSC73XX_MAC_CFG_RESET | VSC73XX_MAC_CFG_SEED_LOAD | + VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN, + VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN); } static int vsc73xx_port_enable(struct dsa_switch *ds, int port, @@ -1053,12 +1039,17 @@ static void vsc73xx_phylink_get_caps(struct dsa_switch *dsa, int port, config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 | MAC_1000; } +static const struct phylink_mac_ops vsc73xx_phylink_mac_ops = { + .mac_config = vsc73xx_mac_config, + .mac_link_down = vsc73xx_mac_link_down, + .mac_link_up = vsc73xx_mac_link_up, +}; + static const struct dsa_switch_ops vsc73xx_ds_ops = { .get_tag_protocol = vsc73xx_get_tag_protocol, .setup = vsc73xx_setup, .phy_read = vsc73xx_phy_read, .phy_write = vsc73xx_phy_write, - .adjust_link = vsc73xx_adjust_link, .get_strings = vsc73xx_get_strings, .get_ethtool_stats = vsc73xx_get_ethtool_stats, .get_sset_count = vsc73xx_get_sset_count, @@ -1195,26 +1186,16 @@ int vsc73xx_probe(struct vsc73xx *vsc) vsc->addr[0], vsc->addr[1], vsc->addr[2], vsc->addr[3], vsc->addr[4], vsc->addr[5]); - /* The VSC7395 switch chips have 5+1 ports which means 5 - * ordinary ports and a sixth CPU port facing the processor - * with an RGMII interface. These ports are numbered 0..4 - * and 6, so they leave a "hole" in the port map for port 5, - * which is invalid. - * - * The VSC7398 has 8 ports, port 7 is again the CPU port. - * - * We allocate 8 ports and avoid access to the nonexistant - * ports. - */ vsc->ds = devm_kzalloc(dev, sizeof(*vsc->ds), GFP_KERNEL); if (!vsc->ds) return -ENOMEM; vsc->ds->dev = dev; - vsc->ds->num_ports = 8; + vsc->ds->num_ports = VSC73XX_MAX_NUM_PORTS; vsc->ds->priv = vsc; vsc->ds->ops = &vsc73xx_ds_ops; + vsc->ds->phylink_mac_ops = &vsc73xx_phylink_mac_ops; ret = dsa_register_switch(vsc->ds); if (ret) { dev_err(dev, "unable to register switch (%d)\n", ret); diff --git a/drivers/net/dsa/vitesse-vsc73xx.h b/drivers/net/dsa/vitesse-vsc73xx.h index 30b1f0a365..2997f7e108 100644 --- a/drivers/net/dsa/vitesse-vsc73xx.h +++ b/drivers/net/dsa/vitesse-vsc73xx.h @@ -3,8 +3,28 @@ #include <linux/etherdevice.h> #include <linux/gpio/driver.h> +/* The VSC7395 switch chips have 5+1 ports which means 5 ordinary ports and + * a sixth CPU port facing the processor with an RGMII interface. These ports + * are numbered 0..4 and 6, so they leave a "hole" in the port map for port 5, + * which is invalid. + * + * The VSC7398 has 8 ports, port 7 is again the CPU port. + * + * We allocate 8 ports and avoid access to the nonexistent ports. + */ +#define VSC73XX_MAX_NUM_PORTS 8 + /** - * struct vsc73xx - VSC73xx state container + * struct vsc73xx - VSC73xx state container: main data structure + * @dev: The device pointer + * @reset: The descriptor for the GPIO line tied to the reset pin + * @ds: Pointer to the DSA core structure + * @gc: Main structure of the GPIO controller + * @chipid: Storage for the Chip ID value read from the CHIPID register of the + * switch + * @addr: MAC address used in flow control frames + * @ops: Structure with hardware-dependent operations + * @priv: Pointer to the configuration interface structure */ struct vsc73xx { struct device *dev; @@ -17,6 +37,11 @@ struct vsc73xx { void *priv; }; +/** + * struct vsc73xx_ops - VSC73xx methods container + * @read: Method for register reading over the hardware-dependent interface + * @write: Method for register writing over the hardware-dependent interface + */ struct vsc73xx_ops { int (*read)(struct vsc73xx *vsc, u8 block, u8 subblock, u8 reg, u32 *val); diff --git a/drivers/net/dsa/xrs700x/xrs700x.c b/drivers/net/dsa/xrs700x/xrs700x.c index 96db032b47..de3b768f2f 100644 --- a/drivers/net/dsa/xrs700x/xrs700x.c +++ b/drivers/net/dsa/xrs700x/xrs700x.c @@ -466,13 +466,25 @@ static void xrs700x_phylink_get_caps(struct dsa_switch *ds, int port, } } -static void xrs700x_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, phy_interface_t interface, +static void xrs700x_mac_config(struct phylink_config *config, unsigned int mode, + const struct phylink_link_state *state) +{ +} + +static void xrs700x_mac_link_down(struct phylink_config *config, + unsigned int mode, phy_interface_t interface) +{ +} + +static void xrs700x_mac_link_up(struct phylink_config *config, struct phy_device *phydev, + unsigned int mode, phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct xrs700x *priv = ds->priv; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct xrs700x *priv = dp->ds->priv; + int port = dp->index; unsigned int val; switch (speed) { @@ -699,13 +711,18 @@ static int xrs700x_hsr_leave(struct dsa_switch *ds, int port, return 0; } +static const struct phylink_mac_ops xrs700x_phylink_mac_ops = { + .mac_config = xrs700x_mac_config, + .mac_link_down = xrs700x_mac_link_down, + .mac_link_up = xrs700x_mac_link_up, +}; + static const struct dsa_switch_ops xrs700x_ops = { .get_tag_protocol = xrs700x_get_tag_protocol, .setup = xrs700x_setup, .teardown = xrs700x_teardown, .port_stp_state_set = xrs700x_port_stp_state_set, .phylink_get_caps = xrs700x_phylink_get_caps, - .phylink_mac_link_up = xrs700x_mac_link_up, .get_strings = xrs700x_get_strings, .get_sset_count = xrs700x_get_sset_count, .get_ethtool_stats = xrs700x_get_ethtool_stats, @@ -763,6 +780,7 @@ struct xrs700x *xrs700x_switch_alloc(struct device *base, void *devpriv) INIT_DELAYED_WORK(&priv->mib_work, xrs700x_mib_work); ds->ops = &xrs700x_ops; + ds->phylink_mac_ops = &xrs700x_phylink_mac_ops; ds->priv = priv; priv->dev = base; |