From nobody Mon Feb 9 21:19:14 2026 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (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 6DEB91F5858 for ; Tue, 27 Jan 2026 02:09:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769479749; cv=none; b=WMwqM6PUuAppY9rdsAuF1Bf9ErifA7/qTAjFY+iRph4kDiacF/u1DVRStRwah7pH1sQONWaHOTWowu0j31Ova96E5wRb0lLtkl8vcTtM02/8qLoI1+nwfQMLCkbS1pWOfilYbcSvVR2aBeEhm46ABcyec5781MRoqdNsxoirQEA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769479749; c=relaxed/simple; bh=0t0dl3v9CeZspqERK8OCxRJsZj/7BPyDqzX+ailEm5Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cQARsGrqVU3jJD5IG8uh0hMsYEV5i1uVL7HQqXWK1gW4tM7f/x8TrFC4Z12SZljQvCc1Rj8I1xYqVwv0H+gp2beU5tJL9HQ6nQdULDzOEwh1Y4uNoi12h5dk0pPIV7lYJXHTC/2YMNA1GBJRVwM5W2QCCua3d0U1T0Hq50vgWPU= 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=LcRrFefQ; arc=none smtp.client-ip=209.85.216.48 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="LcRrFefQ" Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-34f634dbfd6so4243529a91.2 for ; Mon, 26 Jan 2026 18:09:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769479748; x=1770084548; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vpCifLiPOJS30ldSXwTRHj3fHBDp1Tvh3VJtIU/qW+o=; b=LcRrFefQStG0Dqq5FNAOBKmuT9u7G7fxmSpbJ6h0YLWJXpsV9rTXcKex5GAGCEXWne YOyQsshvq7pH7+eILpismXTIt655nm5Uavx2g4itGwG1QrP6npDNQpLqXw7Ee4lRu7cI wbKO2dQGsdnqOgq8I6CXGncWFq4GnhrhAxFNpiXTzULbz4821U9VTKB3xD6Wr+zqixTc 4W5U8qdjdc0srU1OapECy1iHSjNtAw3kvYPUaHAObgtMuT6PZaizpG7Q3jv1tPF0UejN xkDsPD59c6mAgCA3d18OT4q7qUd4qmxMg0m0xCpcwUiFRMx5f85LoUxVNMx6g2U6Zz+U yL4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769479748; x=1770084548; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=vpCifLiPOJS30ldSXwTRHj3fHBDp1Tvh3VJtIU/qW+o=; b=EFvVM2rFR23oHlHHenesA6F+haTPNLFjjnNqQM7jSUvwVOPr/oAO2ObW73yOL2bd4l ZZcEZyw2Pz2xNlhpD1DOKDQWuwxHCMCWMk6AcGGhQqGdpDmckivbGUwcz/mWImIZvB0u Xeax8pO2xzyLaFiWhr6WfUz/pzCMI9SIl55U94bHJxtcdKQM4ys3YM4rAv2UVWXZJx4I oDCSpmJNYpwwPyIIuQ8WqNMW77GFIcwxsT2f1Odc24tF7jhpp7M1WBf0RzcN2yUnEuB8 pSRC7FO0YrdZO1pxtwxdL9TUe23oreZEwIUsLBT7BsRxS4wqT45+mTt7pkwCKzF8dTih J//Q== X-Forwarded-Encrypted: i=1; AJvYcCXM8/7qhTsZYGeFTjTaUScdLK9lBs4d1Xs4KsFLCSpEUH/aG5syzaU4uVQmGSDxXrJ7gQy7wy9jvjCKQjY=@vger.kernel.org X-Gm-Message-State: AOJu0Yy9NMezmNpQ2Z4M5sQPVXyVD/minwW55TnawILZBebHAZRmohfU wloyNykWqQP2XtQIjtXVFGZ9iaJS6tW9EBwccdH28pGcgPkkdKYqy2jW X-Gm-Gg: AZuq6aIWkpgM1pD6usRRj9ci8FicCex5c+EsD+4T2BPmPSkiyN7opSwb75/MtnvgUk/ P9RTXI4e3rJ0n9rvI4W81mGETj3xoZwPmGjcktZibDImT1rQOQebrNbnxNnOv3YGdxfDfTfyaUs i8322SQXPVGgeUD/GhRVBUHu1hf9yrehWJsT8W5ZdqDsRnRQqJtTxXwsZNdZGNPcPcFONoYZ7wU L/YZnR7Ju3EpJVMtlq4ceVvVSQ5n0y/IbB7oesn/lpIunmE1+D78vu9yvNhAvgdyGmHdB0ButSt z/7HC1WsmFAk8Jhi2RPDiOci/q6IIOCt8BhmwCl9GrxFPQJnMdruXrPgsBQcc2OzbAX4vvsYk3e /UDtn5rswQRy2tyTKq+zH6EGTQts0XDqpHjTtdeaBjs462OEHHrNkjYa3zPyykII8oC0azkBMBJ mBi8xz2pjI5BqyoGRbwDQmlj7UR4QHeKwKt00mSSlKtVKMeZtSCncPkw== X-Received: by 2002:a17:90b:560f:b0:347:5ddd:b2d1 with SMTP id 98e67ed59e1d1-353feda7677mr276391a91.27.1769479747594; Mon, 26 Jan 2026 18:09:07 -0800 (PST) Received: from d.home.mmyangfl.tk ([2001:19f0:8001:1644:5400:5ff:fe3e:12b1]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-353f613fc36sm693540a91.10.2026.01.26.18.09.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jan 2026 18:09:07 -0800 (PST) From: David Yang To: netdev@vger.kernel.org Cc: David Yang , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Russell King , linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 1/4] net: dsa: tag_yt921x: fix priority support Date: Tue, 27 Jan 2026 10:07:58 +0800 Message-ID: <20260127020847.1482724-2-mmyangfl@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260127020847.1482724-1-mmyangfl@gmail.com> References: <20260127020847.1482724-1-mmyangfl@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: quoted-printable Content-Type: text/plain; charset="utf-8" Packet priority is part of the rx tag. It defaults to 0, but adding DCB support to the switch driver will break the tag driver by setting it to non-zero. Signed-off-by: David Yang --- net/dsa/tag_yt921x.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/dsa/tag_yt921x.c b/net/dsa/tag_yt921x.c index 6bbfd42dc5df..b93715a057c7 100644 --- a/net/dsa/tag_yt921x.c +++ b/net/dsa/tag_yt921x.c @@ -17,7 +17,8 @@ * 2: Rx Port * 15b: Rx Port Valid * 14b-11b: Rx Port - * 10b-0b: Cmd? + * 10b-8b: Priority + * 7b-0b: Cmd * 2: Tx Port(s) * 15b: Tx Port(s) Valid * 10b-0b: Tx Port(s) Mask @@ -33,7 +34,8 @@ =20 #define YT921X_TAG_PORT_EN BIT(15) #define YT921X_TAG_RX_PORT_M GENMASK(14, 11) -#define YT921X_TAG_RX_CMD_M GENMASK(10, 0) +#define YT921X_TAG_RX_PRIO_M GENMASK(10, 8) +#define YT921X_TAG_RX_CMD_M GENMASK(7, 0) #define YT921X_TAG_RX_CMD(x) FIELD_PREP(YT921X_TAG_RX_CMD_M, (x)) #define YT921X_TAG_RX_CMD_FORWARDED 0x80 #define YT921X_TAG_RX_CMD_UNK_UCAST 0xb2 @@ -98,6 +100,8 @@ yt921x_tag_rcv(struct sk_buff *skb, struct net_device *n= etdev) return NULL; } =20 + skb->priority =3D FIELD_GET(YT921X_TAG_RX_PRIO_M, rx); + cmd =3D FIELD_GET(YT921X_TAG_RX_CMD_M, rx); switch (cmd) { case YT921X_TAG_RX_CMD_FORWARDED: --=20 2.51.0