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([2600:4040:93b8:5f00:52dd:c164:4581:b7eb]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8b0f543d90csm198693785a.17.2025.11.04.06.48.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Nov 2025 06:48:23 -0800 (PST) Message-ID: <78db1fab-e482-4ebc-82ce-ba84b3f561e2@gmail.com> Date: Tue, 4 Nov 2025 09:48:21 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Jiri Pirko Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Srujana Challa , Bharat Bhushan , Herbert Xu , Brett Creeley , Andrew Lunn , Michael Chan , Pavan Chebbi , Tony Nguyen , Przemek Kitszel , Sunil Goutham , Linu Cherian , Geetha sowjanya , Jerin Jacob , hariprasad , Subbaraya Sundeep , Tariq Toukan , Saeed Mahameed , Leon Romanovsky , Mark Bloch , Ido Schimmel , Petr Machata , Manish Chopra , Maxime Coquelin , Alexandre Torgue , Siddharth Vadapalli , Roger Quadros , Loic Poulain , Sergey Ryazanov , Johannes Berg , Vladimir Oltean , Michal Swiatkowski , Aleksandr Loktionov , Dave Ertman , Vlad Dumitrescu , "Russell King (Oracle)" , Alexander Sverdlin , Lorenzo Bianconi , netdev@vger.kernel.org, linux-doc@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-rdma@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org References: <20251103194554.3203178-1-daniel.zahka@gmail.com> <20251103194554.3203178-3-daniel.zahka@gmail.com> <6aa2f011-3ba5-4614-950d-d8f0ec62222b@gmail.com> Content-Language: en-US From: Daniel Zahka In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1762267704; x=1762872504; darn=lists.osuosl.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=TYbk9wPxk/JA4+MxrrdLZ/GfKAsrpCoWC70+eUl4rp4=; b=DBg/Gbixdc4aYaT4G6jlM3aN4V5MZzx2d7J14s/qQWH2xMItuAjwlSEK/WhRRUCVDd v3duGC7MaLOcMjcZx1ABovO5f9iizHpw6X1EmW4UApJRFQQrA+7DpDpNta3BMCOI0lX8 8ou5TSaCyRzd12XyZALiIqW6gROonvrtibcFfFymKYyPt1lasbjPc9xJuHKjXDoYaXdW nN3Yaw4nbFxnRomMdosLOGuLiQtv/92IuRpyjPi9+FX35FRiBv66ZLrpoaJ1XC6OanB2 5h8giBYRdxv0XAqIRao+qcFR+JRWTGgnunASi/h/nO6NMo84HDx8iT2klU0kGYUxd86N oF3A== X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=none dis=none) header.from=gmail.com X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=DBg/Gbix Subject: Re: [Intel-wired-lan] [PATCH net-next v2 2/2] net/mlx5: implement swp_l4_csum_mode via devlink params X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On 11/4/25 9:39 AM, Jiri Pirko wrote: > Tue, Nov 04, 2025 at 01:51:16PM +0100, daniel.zahka@gmail.com wrote: >> >> On 11/4/25 6:38 AM, Daniel Zahka wrote: >>> >>> On 11/4/25 5:14 AM, Jiri Pirko wrote: >>>> I did some research. 0/DEVICE_DEFAULT should not be ever reported back >>>> from FW. It's purpose is for user to reset to default FW configuration. >>>> What's the usecase for that? I think you could just avoid >>>> 0/DEVICE_DEFAULT entirely, for both get and set. >>> I find that 0/DEVICE_DEFAULT is reported back on my device. I have >>> observed this same behavior when using the mstconfig tool for setting the >>> parameter too. >> e.g. >> $ dmesg | grep -i mlx | grep -i firmware >> [   10.165767] mlx5_core 0000:01:00.0: firmware version: 28.46.1006 >> >> $ ./mstconfig -d 01:00.0 -b ./mlxconfig_host.db query SWP_L4_CHECKSUM_MODE >> >> Device #1: >> ---------- >> >> Device type:        ConnectX7 >> Name:               CX71143DMC-CDAE_FB_Ax >> Description:        ConnectX-7 Ethernet adapter card; 100 GbE OCP3.0; >> Single-port QSFP; Multi Host; 2 Host; PCIe 4.0 x16; Crypto and Secure Boot >> Device:             01:00.0 >> >> Configurations:                                          Next Boot >>         SWP_L4_CHECKSUM_MODE DEVICE_DEFAULT(0) > This is next-boot value. You should query current (--enable_verbosity) > to show in param get. I am still seeing that DEVICE_DEFAULT(0) is read back: $ ./mstconfig --enable_verbosity -d 01:00.0 -b ./mlxconfig_host.db query SWP_L4_CHECKSUM_MODE Device #1: ---------- Device type:        ConnectX7 Name:               CX71143DMC-CDAE_FB_Ax Description:        ConnectX-7 Ethernet adapter card; 100 GbE OCP3.0; Single-port QSFP; Multi Host; 2 Host; PCIe 4.0 x16; Crypto and Secure Boot Device:             01:00.0 Configurations:                  Default             Current       Next Boot         SWP_L4_CHECKSUM_MODE DEVICE_DEFAULT(0) DEVICE_DEFAULT(0)    DEVICE_DEFAULT(0)