From de7d3f87be3cba8ad06978271a3135bd08810c97 Mon Sep 17 00:00:00 2001 From: Maxime Chevallier Date: Fri, 7 Mar 2025 18:36:06 +0100 Subject: [PATCH] net: phylink: Use phy_caps_lookup for fixed-link configuration When phylink creates a fixed-link configuration, it finds a matching linkmode to set as the advertised, lp_advertising and supported modes based on the speed and duplex of the fixed link. Use the newly introduced phy_caps_lookup to get these modes instead of phy_lookup_settings(). This has the side effect that the matched settings and configured linkmodes may now contain several linkmodes (the intersection of supported linkmodes from the phylink settings and the linkmodes that match speed/duplex) instead of the one from phy_lookup_settings(). Signed-off-by: Maxime Chevallier Link: https://patch.msgid.link/20250307173611.129125-10-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni --- drivers/net/phy/phylink.c | 44 +++++++++++++++++++++++++++------------ 1 file changed, 31 insertions(+), 13 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index ad611dda1933..694b836d8ff7 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -802,12 +802,26 @@ static int phylink_validate(struct phylink *pl, unsigned long *supported, return phylink_validate_mac_and_pcs(pl, supported, state); } +static void phylink_fill_fixedlink_supported(unsigned long *supported) +{ + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, supported); +} + static int phylink_parse_fixedlink(struct phylink *pl, const struct fwnode_handle *fwnode) { + __ETHTOOL_DECLARE_LINK_MODE_MASK(match) = { 0, }; __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; + const struct link_capabilities *c; struct fwnode_handle *fixed_node; - const struct phy_setting *s; struct gpio_desc *desc; u32 speed; int ret; @@ -875,12 +889,16 @@ static int phylink_parse_fixedlink(struct phylink *pl, phylink_warn(pl, "fixed link specifies half duplex for %dMbps link?\n", pl->link_config.speed); - linkmode_fill(pl->supported); + linkmode_zero(pl->supported); + phylink_fill_fixedlink_supported(pl->supported); + 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, true); + c = phy_caps_lookup(pl->link_config.speed, pl->link_config.duplex, + pl->supported, true); + if (c) + linkmode_and(match, pl->supported, c->linkmodes); linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mask); linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, mask); @@ -889,9 +907,10 @@ static int phylink_parse_fixedlink(struct phylink *pl, phylink_set(pl->supported, MII); - if (s) { - __set_bit(s->bit, pl->supported); - __set_bit(s->bit, pl->link_config.lp_advertising); + if (c) { + linkmode_or(pl->supported, pl->supported, match); + linkmode_or(pl->link_config.lp_advertising, + pl->link_config.lp_advertising, match); } else { phylink_warn(pl, "fixed link %s duplex %dMbps not recognised\n", pl->link_config.duplex == DUPLEX_FULL ? "full" : "half", @@ -1879,21 +1898,20 @@ static int phylink_register_sfp(struct phylink *pl, int phylink_set_fixed_link(struct phylink *pl, const struct phylink_link_state *state) { - const struct phy_setting *s; + const struct link_capabilities *c; unsigned long *adv; if (pl->cfg_link_an_mode != MLO_AN_PHY || !state || !test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) return -EINVAL; - s = phy_lookup_setting(state->speed, state->duplex, - pl->supported, true); - if (!s) + c = phy_caps_lookup(state->speed, state->duplex, + pl->supported, true); + if (!c) return -EINVAL; adv = pl->link_config.advertising; - linkmode_zero(adv); - linkmode_set_bit(s->bit, adv); + linkmode_and(adv, pl->supported, c->linkmodes); linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, adv); pl->link_config.speed = state->speed; -- 2.50.1