From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f179.google.com (mail-qk1-f179.google.com [209.85.222.179]) (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 18750257854 for ; Tue, 4 Nov 2025 14:48:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762267706; cv=none; b=pGX3UjJrNseK/Kv4dKiEwktxsu2OgN7jxKrMQHm3w/aYKCoWHBup3ZD6tft/ZppeWdNyLdltc663FHKuPPS0xhyg9C/vKfEWLrRC0M7F40oAjODoceCMcUvKuEVYwPCmcCb4PzekOkH87Ku0E/nJoeUyJA1g1Sqr5u9iyG0xl34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762267706; c=relaxed/simple; bh=JMLaYY6hZzPARYlgwS336pFX+gMN7vDHCCMc++BjmpQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=c8bqr9XKfIQywwDtSkLmfxmJpvXHPB0fvGv960DeCnKQM9jUfS1bteMrxcwnNKYPwhl7Yl1qJxy49nJ+HxlU+8Ga/Wy3XFEMtWbQcUz2TwpfwzhaGzy03CA4SHNE9rh/sWrUa3wuMOsjOdho+cU1p9Cp+Y9yEbxQ6+lu32kYi+Q= 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=lpK9nyZm; arc=none smtp.client-ip=209.85.222.179 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="lpK9nyZm" Received: by mail-qk1-f179.google.com with SMTP id af79cd13be357-891208f6185so520792885a.1 for ; Tue, 04 Nov 2025 06:48:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1762267704; x=1762872504; darn=vger.kernel.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=lpK9nyZmhhKVs4MaUwGdwSTH3jpjY2avo4MDRIQ5wFbIO5Lp6laDw2X1rj5LQe5QjX 5+0H0RAvSiwas1GTdRFBdguxoK1vTrKbzQ568DJ4NHWmgPF8uNoG2GCBOzQDD6N86uHE k5f52xGDpxZ0N6i2WVXnCR8BP5E5dB/V/IrTkcOsjeEfGAIBvYA243u+4OrTCqa8nP8/ toWL2tFpt4wLEgr5wwVVT5kuIPp16zavB0wD7+OLpk2t7UVal3Q00kJgm33k/HeCzmkW gJ6yReeDlpcXjJ3A7UIQ3IFOcgpEYckbC0fCC/e77NJcxwwrtR5ONlGW5oc69M+D4iqQ 9lCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762267704; x=1762872504; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=TYbk9wPxk/JA4+MxrrdLZ/GfKAsrpCoWC70+eUl4rp4=; b=k99QaW2QMLRnJ3/qEc+43k2itKtfMkNFzWxOSRnZScSxF/Ysan+z86VEjglVq0JfXk 6wFs+idAL15iN6fr82wsF+GiYEfuhJFNfIhEBmFKWjVnV5PCZJfc21YBxcJ3KzRcOGCa uA+8X4M+4G+ZBULKz8zVCSixOS4I5mJuQY1wTrwrzBYA1cpHmFJGiIq55QF1WteIIOap UnOgTcIUV1DF/GAWsBZmV58+aBY84sjMHvY2avWVCfj+seJ/ELTtn1ZwMR/gOe4zPD8y HVTbjtR2vlXWgjFYrDmu9w0M1AzTlWYtGod++7deHQD88LUVR+VNo8thH3xdOFZLFjTK D1hw== X-Forwarded-Encrypted: i=1; AJvYcCWVZw3qUTG561xdtlNA8SmQHBos+l7245w5ujF3yAtSUyT0xhYbHT1zkf5Fk2ML8nvhF1uA36n5jB8=@vger.kernel.org X-Gm-Message-State: AOJu0YzH/z6o/410YVBkkRcXDVPic2HoNHYLZjLHVyQvQcXipUGe8VfL IXr9et6TYleO303HdPGB/bCuvhz1X8kuELxxaztw5Iw+lqC/o0PPUrs/ X-Gm-Gg: ASbGncvPpC2l/Jg8PiCOkgiVff9ypIfVaN8Mdi7GDsTvLd++6+wXwre61vTO006ZtAk uiICocV9zYSs5SIxVB6bJ30pNN2yE5fx3khIDIgKxTuCMEqwYQ070dHSjBqSir/hErISaVPosFC T1C9XWlbhX/ofuQcnM/i7mu4rMhaC1NLqdhi7jCzvo1EugLdN6YJjKBXpX5JhnzGNS4SImp1r1q SqVBzhh76ThgqcNWFJo24MpssXLtfjf/BuoIFbcRMa+58p1k5xsUP9WiwVBpEw2TWmj0GQMCQNC EORRgeNJZuRy4b3r6q6ss2e6slHrAnccF1rfw0nuyRCrYGVSXDOrPgvXsLkBhxh/iYtHw/sABWc 2H14dMrffqWp2UvC/Y9hff7SUsxQIrPVmNQD8cWOLox/lyaT8A9st/vB0ZfuRje+zBwH/VfFEbu yG+9sxQv/lCyAiMARiUBwPO+cBkJTJk9adcNRgWoB1QDtTFT2g2Wxk4/Hw2/JwaHeD3Q== X-Google-Smtp-Source: AGHT+IGmraHbZP2E2iRwXxMxNgGXM9zhZedCgpJV66vhLBH8PzAO8Dn4btILshzP2e0cEKgwNzEvBA== X-Received: by 2002:a05:620a:1a27:b0:886:173f:1b4c with SMTP id af79cd13be357-8ab9ba6fd3emr1982205785a.80.1762267703489; Tue, 04 Nov 2025 06:48:23 -0800 (PST) Received: from ?IPV6:2600:4040:93b8:5f00:52dd:c164:4581:b7eb? ([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 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2 2/2] net/mlx5: implement swp_l4_csum_mode via devlink params 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 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)