From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr2-f12.google.com (mail-wr2-f12.google.com [74.125.225.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 057CF511E6D for ; Wed, 16 Sep 2026 23:52:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789602737; cv=none; b=Z59DOD6wHZtokkExJPjeeUDaUoVSBVCgjMMxmKXJ6ObM7zucfInwwmBhKL9Hwzfnq4hLediLOk6v8Ygky4hsTad/qaI0HJzj3l5INKOXfruSaNX4N2DA1jpNj46ImWEF6zR/KCk7YOak/ULzyWHvUSKDM2mkL2Zk2KsI1bWj3jQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789602737; c=relaxed/simple; bh=Hx9TIRdPyOWp2JCcph+UWaHhkA7sNcruB3L94/kOINc=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=a/axaslSMbI8+2kUDHbZ2B6rWj1OLycLhAN2vS413RdDHg7jMPGy0Ql1QrhWsphzewlJb/tsxOCubEhG53MYLlCbcKlATNeUpE7IsbaRQtqoU0XwU0RSTAtnGoaAlLEbFASEHyDKiePSCJ7Qpdj/xgJeOGJAGd+RQcI50vjnkPA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=JEb999X0; arc=none smtp.client-ip=74.125.225.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JEb999X0" Received: by mail-wr2-f12.google.com with SMTP id ffacd0b85a97d-4843cedd129so169806f8f.0 for ; Wed, 16 Sep 2026 16:52:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789602734; x=1790207534; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to:content-type; bh=4CVtSRo73kcxXzyXjS3Uh97Hci0HJhAxnJFberGLSLg=; b=JEb999X0KytLGOkY0x6IW1uK8xXIaKJuZWj5o7ofoiJ8ltzOTJSEJv2jlZJI+fbabx PBveXUfeKOSA8qSlr/FgXBRhXWRnLh1rKfdNcwzaNfM+ATnXbHUr17b5ZDs9NEkPlnq1 YFuBbQPG2jZpHPvzCmvYrl7sCzRwiyLt6VRe9z/ezkx2pI/hURe92C6EM8ZyxMmSU0Cq cWms72kh5jJKa3hdNtyN4l8tAMdPe+hT71CvKr0k0sQ4hqpGuIzZwVRW9uZbltQCLjfQ 8iWTQ/sgL3FFOhWd2bXa6uvoOtzsr6gIZz8FZeD0/nYCEDSHVbHzSinXWVZHqhm1R6cD CWKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789602734; x=1790207534; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to:content-type; bh=4CVtSRo73kcxXzyXjS3Uh97Hci0HJhAxnJFberGLSLg=; b=ecw62CYcXbAy7nUQHFyxakgbAT/N5jjB3G5Zu9Pb8BhzLhC35vVJrA3z2F3cu9x4Tr ax9+Jl9bO8aL3udTWhZX7D9maGOzaKiiiA7khXHtR/i4RkgHlUJMVevvDJj7LM+7Lnaf BNJjRIHRUqxTxMjaZqVlt0mV5Cz7pwYhBUXCkWAy04yI0QQRefwOLZykaT4NCGCfdGCq LkdrIkipCvRykvT35mQRnDkUXkHBD+eCrNm5P+RCJS4pz7SkqDMk0W4ncHJzbZvhuArg FRcglhVp/IeezFqOrPO7ihBA2HBAubK3XZPmgYQ+65uZyhaCk+Y45coNIfjERkucZe9W BCOw== X-Forwarded-Encrypted: i=1; AKwUvBxyYvRPX5cb11wifO2jsfRV0digouobkPQiYfHb4uGnvVxCXi8lfCMVEnymFAVLme+5TaNLA2Qvg4BAk+g=@vger.kernel.org X-Gm-Message-State: AFuF++lMsuiWtV0ReNZZHhAN6E/akCYsEtS5LcxEWH/frPjiXvjj76jw 9SZQYZlUcPTEmUot38xkSAJspX/hnBAmXKyInWUUETKmMBjdcZDo+rzU X-Gm-Gg: AYBFou32Mq/4dqr68WZQngaq8fFcNpz1X79z/kfOm+HD/4FTirPdmazN0FLQnupmEo9 68T0uRRs/oqHglLiFYp2VYyu1cOBj/SmXIIeUDtu6KWy32s321b243HrZu5AWMv9TLaqkrNyO8f vCq/LmlOYjteN+IylJ49niAV/a1Vq2KfbfyAW0QNRSvuuGDsEmCEOq5FSX9ERm5VZzKWfbujQk1 VnsGHERi9feQfw15gzIolP/vbU4Xr2cjDDK2wKpwlaOyb8m7EozJ7bO8oR/+B1tUeVdwpbHIAGK FRf9cncsGv5oEA10RX0obrfe8XS3yRozXs9eV03B7djjlldWt06cBkY9KExextylGA2ZM7z6BFP vBcitdy+sAEqDfKp6af2di3L3T71tlyKVGDTWcGhJcH/lk/t/hiFOmiaWhpBHZMGliZYpMnVBQ3 EX/ef4qKtQqpFUEaxuHualVraeMzKrKnZvRR+PFUHjjAxvepxaezyTGBlmajMV4HpmsYbx8khSs LiC4zLAoR7lE/bgDHMYN2YYump9ihhMsSFi9+EB1h5iqXqnwa7ayalVdJTWXD4= X-Received: by 2002:a05:6000:1868:b0:487:980:b42c with SMTP id ffacd0b85a97d-4870cef14b3mr9005287f8f.11.1789602734011; Wed, 16 Sep 2026 16:52:14 -0700 (PDT) Received: from Ansuel-XPS24.localdomain (host-79-26-252-140.retail.telecomitalia.it. [79.26.252.140]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-4870bef7687sm11861104f8f.1.2026.09.16.16.52.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2026 16:52:13 -0700 (PDT) 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 v16 01/12] net: phylink: keep and use MAC supported_interfaces in phylink struct Date: Thu, 17 Sep 2026 01:51:27 +0200 Message-ID: <20260916235200.20712-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260916235200.20712-1-ansuelsmth@gmail.com> References: <20260916235200.20712-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 390d3eb3e6f7..d67a5184c524 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; @@ -628,7 +633,7 @@ 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, @@ -2026,6 +2031,9 @@ 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); @@ -2147,7 +2155,7 @@ 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"); @@ -2947,12 +2955,12 @@ 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; } @@ -3831,14 +3839,14 @@ 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"); @@ -4009,7 +4017,7 @@ 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); -- 2.55.0