static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy) { struct phylink_link_state config; __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); u32 advertising; int ret; memset(&config, 0, sizeof(config)); ethtool_convert_legacy_u32_to_link_mode(supported, phy->supported); ethtool_convert_legacy_u32_to_link_mode(config.advertising, phy->advertising); config.interface = pl->link_config.interface; /* * This is the new way of dealing with flow control for PHYs, * as described by Timur Tabi in commit 529ed1275263 ("net: phy: * phy drivers should not set SUPPORTED_[Asym_]Pause") except * using our validate call to the MAC, we rely upon the MAC * clearing the bits from both supported and advertising fields. */ if (phylink_test(supported, Pause)) phylink_set(config.advertising, Pause); if (phylink_test(supported, Asym_Pause)) phylink_set(config.advertising, Asym_Pause); ret = phylink_validate(pl, supported, &config); if (ret) return ret; phy->phylink = pl; phy->phy_link_change = phylink_phy_change; netdev_info(pl->netdev, "PHY [%s] driver [%s]\n", dev_name(&phy->mdio.dev), phy->drv->name); mutex_lock(&phy->lock); mutex_lock(&pl->state_mutex); pl->netdev->phydev = phy; pl->phydev = phy; linkmode_copy(pl->supported, supported); linkmode_copy(pl->link_config.advertising, config.advertising); /* Restrict the phy advertisment according to the MAC support. */ ethtool_convert_link_mode_to_legacy_u32(&advertising, config.advertising); phy->advertising = advertising; mutex_unlock(&pl->state_mutex); mutex_unlock(&phy->lock); netdev_dbg(pl->netdev, "phy: setting supported %*pb advertising 0x%08x\n", __ETHTOOL_LINK_MODE_MASK_NBITS, pl->supported, phy->advertising); phy_start_machine(phy); if (phy->irq > 0) phy_start_interrupts(phy); return 0; }
static int phylink_is_empty_linkmode(const unsigned long *linkmode) { __ETHTOOL_DECLARE_LINK_MODE_MASK(tmp) = { 0, }; phylink_set_port_modes(tmp); phylink_set(tmp, Autoneg); phylink_set(tmp, Pause); phylink_set(tmp, Asym_Pause); bitmap_andnot(tmp, linkmode, tmp, __ETHTOOL_LINK_MODE_MASK_NBITS); return linkmode_empty(tmp); }
static void bcm_sf2_sw_validate(struct dsa_switch *ds, int port, unsigned long *supported, struct phylink_link_state *state) { __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; if (!phy_interface_mode_is_rgmii(state->interface) && state->interface != PHY_INTERFACE_MODE_MII && state->interface != PHY_INTERFACE_MODE_REVMII && state->interface != PHY_INTERFACE_MODE_GMII && state->interface != PHY_INTERFACE_MODE_INTERNAL && state->interface != PHY_INTERFACE_MODE_MOCA) { bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS); dev_err(ds->dev, "Unsupported interface: %d\n", state->interface); return; } /* Allow all the expected bits */ phylink_set(mask, Autoneg); phylink_set_port_modes(mask); phylink_set(mask, Pause); phylink_set(mask, Asym_Pause); /* With the exclusion of MII and Reverse MII, we support Gigabit, * including Half duplex */ if (state->interface != PHY_INTERFACE_MODE_MII && state->interface != PHY_INTERFACE_MODE_REVMII) { phylink_set(mask, 1000baseT_Full); phylink_set(mask, 1000baseT_Half); } phylink_set(mask, 10baseT_Half); phylink_set(mask, 10baseT_Full); phylink_set(mask, 100baseT_Half); phylink_set(mask, 100baseT_Full); bitmap_and(supported, supported, mask, __ETHTOOL_LINK_MODE_MASK_NBITS); bitmap_and(state->advertising, state->advertising, mask, __ETHTOOL_LINK_MODE_MASK_NBITS); }
void phylink_set_port_modes(unsigned long *mask) { phylink_set(mask, TP); phylink_set(mask, AUI); phylink_set(mask, MII); phylink_set(mask, FIBRE); phylink_set(mask, BNC); phylink_set(mask, Backplane); }
static int phylink_parse_mode(struct phylink *pl, struct device_node *np) { struct device_node *dn; const char *managed; dn = of_get_child_by_name(np, "fixed-link"); if (dn || of_find_property(np, "fixed-link", NULL)) pl->link_an_mode = MLO_AN_FIXED; of_node_put(dn); if (of_property_read_string(np, "managed", &managed) == 0 && strcmp(managed, "in-band-status") == 0) { if (pl->link_an_mode == MLO_AN_FIXED) { netdev_err(pl->netdev, "can't use both fixed-link and in-band-status\n"); return -EINVAL; } linkmode_zero(pl->supported); phylink_set(pl->supported, MII); phylink_set(pl->supported, Autoneg); phylink_set(pl->supported, Asym_Pause); phylink_set(pl->supported, Pause); pl->link_config.an_enabled = true; switch (pl->link_config.interface) { case PHY_INTERFACE_MODE_SGMII: phylink_set(pl->supported, 10baseT_Half); phylink_set(pl->supported, 10baseT_Full); phylink_set(pl->supported, 100baseT_Half); phylink_set(pl->supported, 100baseT_Full); phylink_set(pl->supported, 1000baseT_Half); phylink_set(pl->supported, 1000baseT_Full); pl->link_an_mode = MLO_AN_SGMII; break; case PHY_INTERFACE_MODE_1000BASEX: phylink_set(pl->supported, 1000baseX_Full); pl->link_an_mode = MLO_AN_8023Z; break; case PHY_INTERFACE_MODE_2500BASEX: phylink_set(pl->supported, 2500baseX_Full); pl->link_an_mode = MLO_AN_8023Z; break; case PHY_INTERFACE_MODE_10GKR: phylink_set(pl->supported, 10baseT_Half); phylink_set(pl->supported, 10baseT_Full); phylink_set(pl->supported, 100baseT_Half); phylink_set(pl->supported, 100baseT_Full); phylink_set(pl->supported, 1000baseT_Half); phylink_set(pl->supported, 1000baseT_Full); phylink_set(pl->supported, 1000baseX_Full); phylink_set(pl->supported, 10000baseKR_Full); phylink_set(pl->supported, 10000baseCR_Full); phylink_set(pl->supported, 10000baseSR_Full); phylink_set(pl->supported, 10000baseLR_Full); phylink_set(pl->supported, 10000baseLRM_Full); phylink_set(pl->supported, 10000baseER_Full); pl->link_an_mode = MLO_AN_SGMII; break; default: netdev_err(pl->netdev, "incorrect link mode %s for in-band status\n", phy_modes(pl->link_config.interface)); return -EINVAL; } linkmode_copy(pl->link_config.advertising, pl->supported); if (phylink_validate(pl, pl->supported, &pl->link_config)) { netdev_err(pl->netdev, "failed to validate link configuration for in-band status\n"); return -EINVAL; } } return 0; }
static int phylink_parse_fixedlink(struct phylink *pl, struct device_node *np) { struct device_node *fixed_node; const struct phy_setting *s; struct gpio_desc *desc; const __be32 *fixed_prop; u32 speed; int ret, len; fixed_node = of_get_child_by_name(np, "fixed-link"); if (fixed_node) { ret = of_property_read_u32(fixed_node, "speed", &speed); pl->link_config.speed = speed; pl->link_config.duplex = DUPLEX_HALF; if (of_property_read_bool(fixed_node, "full-duplex")) pl->link_config.duplex = DUPLEX_FULL; /* We treat the "pause" and "asym-pause" terminology as * defining the link partner's ability. */ if (of_property_read_bool(fixed_node, "pause")) pl->link_config.pause |= MLO_PAUSE_SYM; if (of_property_read_bool(fixed_node, "asym-pause")) pl->link_config.pause |= MLO_PAUSE_ASYM; if (ret == 0) { desc = fwnode_get_named_gpiod(&fixed_node->fwnode, "link-gpios", 0, GPIOD_IN, "?"); if (!IS_ERR(desc)) pl->link_gpio = desc; else if (desc == ERR_PTR(-EPROBE_DEFER)) ret = -EPROBE_DEFER; } of_node_put(fixed_node); if (ret) return ret; } else { fixed_prop = of_get_property(np, "fixed-link", &len); if (!fixed_prop) { netdev_err(pl->netdev, "broken fixed-link?\n"); return -EINVAL; } if (len == 5 * sizeof(*fixed_prop)) { pl->link_config.duplex = be32_to_cpu(fixed_prop[1]) ? DUPLEX_FULL : DUPLEX_HALF; pl->link_config.speed = be32_to_cpu(fixed_prop[2]); if (be32_to_cpu(fixed_prop[3])) pl->link_config.pause |= MLO_PAUSE_SYM; if (be32_to_cpu(fixed_prop[4])) pl->link_config.pause |= MLO_PAUSE_ASYM; } } if (pl->link_config.speed > SPEED_1000 && pl->link_config.duplex != DUPLEX_FULL) netdev_warn(pl->netdev, "fixed link specifies half duplex for %dMbps link?\n", pl->link_config.speed); bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS); linkmode_copy(pl->link_config.advertising, pl->supported); phylink_validate(pl, pl->supported, &pl->link_config); s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex, pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS, true); linkmode_zero(pl->supported); phylink_set(pl->supported, MII); if (s) { __set_bit(s->bit, pl->supported); } else { netdev_warn(pl->netdev, "fixed link %s duplex %dMbps not recognised\n", pl->link_config.duplex == DUPLEX_FULL ? "full" : "half", pl->link_config.speed); } linkmode_and(pl->link_config.advertising, pl->link_config.advertising, pl->supported); pl->link_config.link = 1; pl->link_config.an_complete = 1; return 0; }