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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Simon Horman , Jonathan Corbet , Shuah Khan , Christian Marangi , Lorenzo Bianconi , Heiner Kallweit , Russell King , Saravana Kannan , 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 v6 01/12] net: phylink: keep and use MAC supported_interfaces in phylink struct Date: Tue, 9 Jun 2026 17:11:57 +0200 Message-ID: <20260609151212.29469-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260609151212.29469-1-ansuelsmth@gmail.com> References: <20260609151212.29469-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260609_081306_274229_D6250406 X-CRM114-Status: GOOD ( 18.04 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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. 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 087ac63f9193..4d59c0dd78db 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -60,6 +60,11 @@ 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; @@ -629,7 +634,7 @@ 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, @@ -1868,6 +1873,9 @@ struct phylink *phylink_create(struct phylink_config *config, mutex_init(&pl->state_mutex); INIT_WORK(&pl->resolve, phylink_resolve); + phy_interface_copy(pl->supported_interfaces, + config->supported_interfaces); + pl->config = config; if (config->type == PHYLINK_NETDEV) { pl->netdev = to_net_dev(config->dev); @@ -2026,7 +2034,7 @@ 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"); @@ -2828,12 +2836,12 @@ 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; } @@ -3761,14 +3769,14 @@ 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"); @@ -3939,7 +3947,7 @@ 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); /* Do the initial configuration */ return phylink_sfp_config_phy(pl, phy); -- 2.53.0