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[212.171.11.167]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-49c5f7828a4sm2029768f8f.23.2026.11.12.16.32.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Nov 2026 16:32:27 -0800 (PST) From: Christian Marangi To: Maxime Chevallier , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Christian Marangi , Lorenzo Bianconi , Heiner Kallweit , Russell King , Philipp Zabel , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, llvm@lists.linux.dev Subject: [PATCH net-next v19 01/15] net: phylink: keep and use MAC supported_interfaces in phylink struct Date: Fri, 13 Nov 2026 01:31:51 +0100 Message-ID: <20261113003217.197757-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261113003217.197757-1-ansuelsmth@gmail.com> References: <20261113003217.197757-1-ansuelsmth@gmail.com> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add in phylink struct a copy of supported_interfaces from phylink_config and make use of that instead of relying on phylink_config value. This in preparation for support of PCS handling internally to phylink where a PCS can be removed or added after the phylink is created and we need both a reference of the supported_interfaces value from phylink_config and an internal value that can be updated with the new PCS info. Tested-by: Maxime Chevallier Reviewed-by: Maxime Chevallier Signed-off-by: Christian Marangi --- drivers/net/phy/phylink.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index e7734e45376c..5d649903be9e 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -62,6 +62,11 @@ struct phylink { /* The link configuration settings */ struct phylink_link_state link_config; + /* What interface are supported by the current link. + * Can change on removal or addition of new PCS. + */ + DECLARE_PHY_INTERFACE_MASK(supported_interfaces); + /* The current settings */ phy_interface_t cur_interface; @@ -632,7 +637,7 @@ static int phylink_validate_mask(struct phylink *pl, struct phy_device *phy, static int phylink_validate(struct phylink *pl, unsigned long *supported, struct phylink_link_state *state) { - const unsigned long *interfaces = pl->config->supported_interfaces; + const unsigned long *interfaces = pl->supported_interfaces; if (state->interface == PHY_INTERFACE_MODE_NA) return phylink_validate_mask(pl, NULL, supported, state, @@ -2090,6 +2095,9 @@ struct phylink *phylink_create(struct phylink_config *config, __set_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); timer_setup(&pl->link_poll, phylink_fixed_poll, 0); + phy_interface_copy(pl->supported_interfaces, + pl->config->supported_interfaces); + linkmode_fill(pl->supported); linkmode_copy(pl->link_config.advertising, pl->supported); phylink_validate(pl, pl->supported, &pl->link_config); @@ -2212,7 +2220,7 @@ static int phylink_validate_phy(struct phylink *pl, struct phy_device *phy, * those which the host supports. */ phy_interface_and(interfaces, phy->possible_interfaces, - pl->config->supported_interfaces); + pl->supported_interfaces); if (phy_interface_empty(interfaces)) { phylink_err(pl, "PHY has no common interfaces\n"); @@ -3026,12 +3034,12 @@ static phy_interface_t phylink_sfp_select_interface(struct phylink *pl, return interface; } - if (!test_bit(interface, pl->config->supported_interfaces)) { + if (!test_bit(interface, pl->supported_interfaces)) { phylink_err(pl, "selection of interface failed, SFP selected %s (%u) but MAC supports %*pbl\n", phy_modes(interface), interface, (int)PHY_INTERFACE_MODE_MAX, - pl->config->supported_interfaces); + pl->supported_interfaces); return PHY_INTERFACE_MODE_NA; } @@ -3910,14 +3918,14 @@ static int phylink_sfp_config_optical(struct phylink *pl) phylink_dbg(pl, "optical SFP: interfaces=[mac=%*pbl, sfp=%*pbl]\n", (int)PHY_INTERFACE_MODE_MAX, - pl->config->supported_interfaces, + pl->supported_interfaces, (int)PHY_INTERFACE_MODE_MAX, pl->sfp_interfaces); /* Find the union of the supported interfaces by the PCS/MAC and * the SFP module. */ - phy_interface_and(pl->sfp_interfaces, pl->config->supported_interfaces, + phy_interface_and(pl->sfp_interfaces, pl->supported_interfaces, pl->sfp_interfaces); if (phy_interface_empty(pl->sfp_interfaces)) { phylink_err(pl, "unsupported SFP module: no common interface modes\n"); @@ -4155,7 +4163,7 @@ static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy) /* Set the PHY's host supported interfaces */ phy_interface_and(phy->host_interfaces, phylink_sfp_interfaces, - pl->config->supported_interfaces); + pl->supported_interfaces); phy_set_upstream_port(phy, pl->sfp_cage_port); -- 2.55.0