From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="V65OTZ6m" Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F838E7 for ; Tue, 28 Nov 2023 00:50:44 -0800 (PST) Received: by mail-pf1-x435.google.com with SMTP id d2e1a72fcca58-6b20577ef7bso4505230b3a.3 for ; Tue, 28 Nov 2023 00:50:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701161443; x=1701766243; 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=u15oyv4jQ5hr1Ec1G7FfFNQfq84tvttpwKNWquVokdU=; b=V65OTZ6mZ9Q7xsEI4qoijexWD8zwd23Rl8fngTw1toqjBW+xDYHbq20AaqLzY+8PmF E9OpeU2/fvnjlx+yGtyWLECyAEDKrnCjawoD4HLVccYQMvOQJ1QGgttuznA5aBzoUghH sJEq19B1H7g24DT1Adiv0+GIXvwNU0eKaO5WbLp20dit3TNY9x5SFcGDlX6wsmQTU1Rq hdPJ/ed1J5CCn6uOI+dZZOQDG/vjOWyOzGVF7Ms/NxcYkpa5/GEbhJt/9Lk6nF+hlPgN dQb30PQ5W7AzrA78sCV/K65IB1sy3sGvbd4GL9ZCGSRh8ZNoYq7+E233jANfimQAe/d8 fNGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701161443; x=1701766243; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=u15oyv4jQ5hr1Ec1G7FfFNQfq84tvttpwKNWquVokdU=; b=UiFL9QCj57UsJ5G2CNaaojTrUDuftnJmPnA40zVFsvVS0/mrMcwMBx2sD6EXydIVEU efBqsbilqsBbd/k7J/PtfBUI6kbq2h++CQOEQHFaQHpEv6MNQRpudRNjhuc+SAboNmq6 neWMND+Z+stuXQIrGIJzNozkP/0mw8jGqrxaaUia7qgCatE7Nowz54TTCrptyivnPGK5 I5W35trwi9VKoxGoaZeOakfiTynXloY4vrwh+6YyevxAR9ftNaK3cKEi8EjfSfZm7Fj7 3MwRR125vmOZZuYcCq5K9lRQMkqhknO1eyHgvBmLok8KZYxyWQLJ9T2eWvEHkzKjCcDZ QnmQ== X-Gm-Message-State: AOJu0YwVeCcUQ3Ta11WO7J8nH+KGVL0aDMgEhGZtpj4u8hrIW7QBJygD a4To5zjBb5LViPeUy2sbgBRJ1JRH8drasjKq X-Google-Smtp-Source: AGHT+IGp3jchBNq6XdVu3VqVhw6NEUEBTIwKHvzWYtsrvgL3MxmAA6V0vtFAcgB2+NqOR0GqmidEpQ== X-Received: by 2002:a05:6a00:2787:b0:6bd:f760:6ab1 with SMTP id bd7-20020a056a00278700b006bdf7606ab1mr16465855pfb.14.1701161443460; Tue, 28 Nov 2023 00:50:43 -0800 (PST) Received: from Laptop-X1.redhat.com ([43.228.180.230]) by smtp.gmail.com with ESMTPSA id d25-20020aa78159000000b006cbae51f335sm8766513pfn.144.2023.11.28.00.50.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 00:50:43 -0800 (PST) From: Hangbin Liu To: netdev@vger.kernel.org Cc: "David S . Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Ido Schimmel , Nikolay Aleksandrov , Roopa Prabhu , Stephen Hemminger , Florian Westphal , Andrew Lunn , Florian Fainelli , Vladimir Oltean , Jiri Pirko , Marc Muehlfeld , Hangbin Liu Subject: [PATCHv3 net-next 08/10] docs: bridge: add switchdev doc Date: Tue, 28 Nov 2023 16:49:41 +0800 Message-ID: <20231128084943.637091-9-liuhangbin@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231128084943.637091-1-liuhangbin@gmail.com> References: <20231128084943.637091-1-liuhangbin@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add switchdev part for bridge document. Reviewed-by: Vladimir Oltean Acked-by: Nikolay Aleksandrov Signed-off-by: Hangbin Liu --- Documentation/networking/bridge.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/networking/bridge.rst b/Documentation/networking/bridge.rst index 956583d2a184..3b82cf52bfec 100644 --- a/Documentation/networking/bridge.rst +++ b/Documentation/networking/bridge.rst @@ -216,6 +216,24 @@ which is disabled by default but can be enabled. And `Multicast Router Discovery `_, which help identify the location of multicast routers. +Switchdev +========= + +Linux Bridge Switchdev is a feature in the Linux kernel that extends the +capabilities of the traditional Linux bridge to work more efficiently with +hardware switches that support switchdev. With Linux Bridge Switchdev, certain +networking functions like forwarding, filtering, and learning of Ethernet +frames can be offloaded to a hardware switch. This offloading reduces the +burden on the Linux kernel and CPU, leading to improved network performance +and lower latency. + +To use Linux Bridge Switchdev, you need hardware switches that support the +switchdev interface. This means that the switch hardware needs to have the +necessary drivers and functionality to work in conjunction with the Linux +kernel. + +Please see the :ref:`switchdev` document for more details. + FAQ === -- 2.41.0