From patchwork Mon Mar 3 09:03:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 13998396 X-Patchwork-Delegate: kuba@kernel.org Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ABC921EF099; Mon, 3 Mar 2025 09:03:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740992618; cv=none; b=Eng/JlSCfC2UvGaLmMTfv8J9XJneEOCbtO2gQw6vgde77NKw+PjFoLq8S7JwoDw4cGpsyCSNThDZlH5EWzlOmkJv6IykehvT07s2wkuW8P22avx+Q9+Flnlnlcvr+0AQA1uaoYBoaUj0NXsTsjZVDzY7IpydYwmW+ukutdHCTdg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740992618; c=relaxed/simple; bh=Atf+N797ReonutHfaP/NEiyZsTvsa7qMERZI0s74rlI=; 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d=bootlin.com; s=gm1; t=1740992613; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=srKaH+dUPNcj7myLBF3rWvtWswbd4aKF0FGqhtNPS/A=; b=Xth63yyVKef/3QCJn/XXggPX9L2ePfszv42r5rzFuDUcWBvJtzlCnfsrHYL5Pdv650CCjx E4I7BsxEhNCdBHSzAGiUwVm9QNILcyE8XBvDwsNH809XDY5xewyGQFCmgtvqzBWcLNqRtm x8wKmQ6N1CGA7vYceLZ7GrJbVfzVWyqzvZLg6b0QIdqqDpc9f5pA2bUNxvnVizHy4qrXdU +41Zt+fgTBIXyyYsJY2IEY9Ez57niUgCwxc1aAXzSVtZy8eDoIkHwKFDsgjsE12Gi5VdwJ GFpRRQFVoE19X7lKYZohG3TLKNYezvYflrz7VmdcTnN4CkNn/Dzmd+Kqfe739g== From: Maxime Chevallier To: davem@davemloft.net, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , Heiner Kallweit Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Vladimir Oltean , =?utf-8?q?K=C3=B6ry_Maincent?= , Oleksij Rempel , Simon Horman , Romain Gantois Subject: [PATCH net-next v4 05/13] net: phy: phy_caps: Introduce phy_caps_valid Date: Mon, 3 Mar 2025 10:03:11 +0100 Message-ID: <20250303090321.805785-6-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250303090321.805785-1-maxime.chevallier@bootlin.com> References: <20250303090321.805785-1-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdelkeejudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomhepofgrgihimhgvucevhhgvvhgrlhhlihgvrhcuoehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeevgedtffelffelveeuleelgfejfeevvdejhfehgeefgfffvdefteegvedutefftdenucfkphepvdgrtddumegtsgduleemkegugegtmeelfhdttdemsggtvddumeekkeelleemheegtdgtmegvheelvgenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudelmeekugegtgemlehftddtmegstgdvudemkeekleelmeehgedttgemvgehlegvpdhhvghlohepfhgvughorhgrrdhhohhmvgdpmhgrihhlfhhrohhmpehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopedvtddprhgtphhtthhopegurghvvghmsegurghvvghmlhhofhhtrdhnvghtpdhrtghpthhtoheprghnughrvgifsehluhhnnhdrtghhpdhrtghpthhtohepkhhusggrsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegvughumhgri igvthesghhoohhglhgvrdgtohhmpdhrtghpthhtohepphgrsggvnhhisehrvgguhhgrthdrtghomhdprhgtphhtthhopehlihhnuhigsegrrhhmlhhinhhugidrohhrghdruhhkpdhrtghpthhtohephhhkrghllhifvghithdusehgmhgrihhlrdgtohhmpdhrtghpthhtohepmhgrgihimhgvrdgthhgvvhgrlhhlihgvrhessghoohhtlhhinhdrtghomh X-GND-Sasl: maxime.chevallier@bootlin.com X-Patchwork-Delegate: kuba@kernel.org With the link_capabilities array, it's trivial to validate a given mask againts a tuple. Create a helper for that purpose, and use it to replace a phy_settings lookup in phy_check_valid(); Signed-off-by: Maxime Chevallier --- V4: No changes drivers/net/phy/phy-caps.h | 1 + drivers/net/phy/phy.c | 2 +- drivers/net/phy/phy_caps.c | 19 +++++++++++++++++++ 3 files changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/phy-caps.h b/drivers/net/phy/phy-caps.h index a44d983eaed8..f35ede4e557d 100644 --- a/drivers/net/phy/phy-caps.h +++ b/drivers/net/phy/phy-caps.h @@ -43,6 +43,7 @@ void phy_caps_init(void); size_t phy_caps_speeds(unsigned int *speeds, size_t size, unsigned long *linkmodes); void phy_caps_linkmode_max_speed(u32 max_speed, unsigned long *linkmodes); +bool phy_caps_valid(int speed, int duplex, const unsigned long *linkmodes); #endif /* __PHY_CAPS_H */ diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 3128df03feda..8df37d221fba 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -260,7 +260,7 @@ unsigned int phy_supported_speeds(struct phy_device *phy, */ bool phy_check_valid(int speed, int duplex, unsigned long *features) { - return !!phy_lookup_setting(speed, duplex, features, true); + return phy_caps_valid(speed, duplex, features); } EXPORT_SYMBOL(phy_check_valid); diff --git a/drivers/net/phy/phy_caps.c b/drivers/net/phy/phy_caps.c index 132758d2eb8d..8ce7dca1acd0 100644 --- a/drivers/net/phy/phy_caps.c +++ b/drivers/net/phy/phy_caps.c @@ -128,3 +128,22 @@ void phy_caps_linkmode_max_speed(u32 max_speed, unsigned long *linkmodes) else break; } + +/** + * phy_caps_valid() - Validate a linkmodes set agains given speed and duplex + * @speed: input speed to validate + * @duplex: input duplex to validate. Passing DUPLEX_UNKNOWN is always not valid + * @linkmodes: The linkmodes to validate + * + * Returns: True if at least one of the linkmodes in @linkmodes can function at + * the given speed and duplex, false otherwise. + */ +bool phy_caps_valid(int speed, int duplex, const unsigned long *linkmodes) +{ + int capa = speed_duplex_to_capa(speed, duplex); + + if (capa < 0) + return false; + + return linkmode_intersects(link_caps[capa].linkmodes, linkmodes); +}