From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id AD59B46BAC; Fri, 18 Jul 2025 17:18:42 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7C2E2402DB; Fri, 18 Jul 2025 17:18:42 +0200 (CEST) Received: from mail-qk1-f178.google.com (mail-qk1-f178.google.com [209.85.222.178]) by mails.dpdk.org (Postfix) with ESMTP id 48B6440144 for ; Fri, 18 Jul 2025 17:18:41 +0200 (CEST) Received: by mail-qk1-f178.google.com with SMTP id af79cd13be357-7e2c920058fso313100485a.0 for ; Fri, 18 Jul 2025 08:18:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1752851920; x=1753456720; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=4ioPX7+l4PgYhJh9YG2sG//1ivHOStUPhQkcRGu7FSM=; b=I+ZJuTR7a07E5O7hH+5BFdQLNTJGfEYLA2zfnhawCpIVxN/acxo8tsY9MNxXHLOC86 P8NVtGvo4D6iYYFZo+9W2ZBg4EtCR5XeGcbPtiMsnNVybs+iTf22tH2QNziCabO3T167 7GXQHdVIqQQ2ItUeCfD9LeLXlaqGN4iNA5YCR4uyEou8LaYUtdgPZBJwzU1prsWSeEH0 23kDMAJUUHKI6Wwe47G0BOR5ey9JVyG3yhBoyQ4fuKN5uhIk1dmvUhkncZ1rbGVgZUys b30vJ7IcShPXmbOuKPipd+7iWu1pqhCJW/v+Sxt99MnZjPwsj1g1fMZ+xraEeGzMFrfU GKww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752851920; x=1753456720; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4ioPX7+l4PgYhJh9YG2sG//1ivHOStUPhQkcRGu7FSM=; b=B3ZH2o2MR7CYdU8PdqiZoYVPidzGcrbaAk2q5rEwV5HO6RwyZkjjw72bkTDB/Tacvw EYj3PHjrmuRaQJ9jrsLngSwTwiwioj8pEuFZQgLCPXPGD9P7GjTfOjHel4XOvMVGfwxr /FGldCenXnAZup1hx8SVSe+3d23AOsdV0BxSHbj47c8WxByrw+73GjvO37KFTq333f7V RKxc95+A22V1nd4k3tilaGcJXoHb1cwUfDMY7xQAGee4GtjQMXG6vIK0zQQNuxMA7il0 2knuEIPqQkiW7ImiUkt7JipwYeRhP9pZSjxWarJkuBIp8lhiw+WI9IZmFTOQ0t2fDW+3 sOvg== X-Forwarded-Encrypted: i=1; AJvYcCUgwhhQS8vCJdj2VKo7iIfImJ2Bl6+2zkz9+hGNU2lsOFucLS972fEfGWHO2RWt599WDS8=@dpdk.org X-Gm-Message-State: AOJu0YzXwQQwQ1GdQmQVAVJ5lP/cYIh2TEn3S2fDjwMjKtgGfl7DWVJ2 oUZszXdKcKK8HP4N6QtvL8w3+BJ/Te3a4QtkgiZ/g+bNqeXfNLQjw5yAq8lf0sIeb7w= X-Gm-Gg: ASbGncvdkxjmFCK4R445PregVOw1riczCiOM0acN/GuMmGbSE9Vd9ROWvUNR8iB3K4p EudVIUbKCOnnQ71KQxDsz0V00ILh3UCLgB652uHD/m6ZzTHn40DYw5n8Bg11w0Flj0212E2IOsB pFqC56CpqyJzc+uoSpWTlw2krbjbBPVhWfBXo3VS81XMkKVt/qGIGVkN+EWHvEwoCAy6NzO1zXY 5r/XgRnqN+xXldYdxmOGs9FUj4/h1jJKev2CM9pa8s9aiDQlaq+cEwSSpKN7jJ9NMjUazIK96Lf NalWPtfYrOOnq2/7kFJHab5ifMmPytSjVBQDnW7qafpQes1f2cqk0cKjuWQojYnygqwsFAeOsq2 xQBl1k3zw3IubfcaSb/OVs5pctJJ4q/sViQ5BOWrxPwDErYbXEsW7JMuSMgfDG2CGsDBKBc7Mid c= X-Google-Smtp-Source: AGHT+IGpaEm3bNfAXkH5O1rSmV4IHauUFcwm563+p8ZwuaIOSBhqzX3/8SQBecfeMqfERlt4Opgz+w== X-Received: by 2002:a05:620a:1a06:b0:7e3:30ca:4f92 with SMTP id af79cd13be357-7e3558d9884mr541334085a.16.1752851919558; Fri, 18 Jul 2025 08:18:39 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7e356c40130sm95760785a.59.2025.07.18.08.18.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Jul 2025 08:18:38 -0700 (PDT) Date: Fri, 18 Jul 2025 08:18:35 -0700 From: Stephen Hemminger To: Dariusz Sosnowski Cc: Viacheslav Ovsiienko , Bing Zhao , Ori Kam , Suanming Mou , Matan Azrad , , Thomas Monjalon , Raslan Darawsheh Subject: Re: [PATCH] net/mlx5: document IP fragment matching limitations Message-ID: <20250718081835.15134b8c@hermes.local> In-Reply-To: <20250718115156.1220403-1-dsosnowski@nvidia.com> References: <20250718115156.1220403-1-dsosnowski@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Fri, 18 Jul 2025 13:51:56 +0200 Dariusz Sosnowski wrote: > NVIDIA NICs do not support matching on packet headers appearing > after IP header if the received packet is an IP fragment. > This patch updates the relevant documentation. > > Bugzilla ID: 1417 > > Signed-off-by: Dariusz Sosnowski I suspect that is true of all NIC's because matching later fragments would require state that would not scale in HW.