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 82EBB45BC0; Tue, 29 Oct 2024 17:26:13 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 54EAD42EA0; Tue, 29 Oct 2024 17:26:13 +0100 (CET) Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by mails.dpdk.org (Postfix) with ESMTP id 6D02F42E48 for ; Tue, 29 Oct 2024 17:26:12 +0100 (CET) Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-71e7086c231so4377269b3a.0 for ; Tue, 29 Oct 2024 09:26:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1730219171; x=1730823971; 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=YmqFmqIpOL9ELj08MSWl6i93RHC3ZdkQW9CMRLkPUxk=; b=YY8shIhM8zcq9fqWQ7jW/VuK0PBFHVOrMRCqgNR6Qllv1z8Opkdn7Whoycd67XXoFB Yt4S5MkfngP7v4HyZmWyBxd92p00NbNymQud+oIL8dDrW1yQV89MHaNm5v9PP/uYjPU+ l29tj49g64h7kC3mkIHz8SdlZ+no2hQ/ep9LsiulOOu4SDd17RfOgY8gt0Xi1bqsfxbd J9dFw1uJLRg+aFZEZ1CH641hdccyD+usel242LbyhLi/3KxZUQ7CzzW1I3cPjXx2eT/k xVpuuveOyROysdb8nw+zGEarZGTiOg3JaRo2txZ4ahMnwnrDdf/Tu1Egv8Mk6QvGrsDL 8sBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730219171; x=1730823971; 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=YmqFmqIpOL9ELj08MSWl6i93RHC3ZdkQW9CMRLkPUxk=; b=wqVt5w/9KowpH0o2dNKevPAEXUIVg1Qk+Ba/5u4XVgu+W8a1RJdh6RbJvVYVzAT7HS cCnXYHQd6byi2G2bjho3v9lcniTjwHXLwwPnLqaouhLjOnVIyKokOIFKMaVvUTHbGxT3 c2NprZO5mO/tHpYAi+iuaUbeuhol+nxpW23AEx0ypBwrnO5kXRYsD3RyeEWCX1uaRjA7 vX9Ze0BQgIqaKg4SUHTIKOxFApiCylJSiHEYahHri5s9tegU5FENkJbu7ZarD4kfo4YI gWoJjGTDaRMQhzSAp8VHGajf4IZv8yh873QUanuySIeOqZCSQ3+J/2CkAXK/uoPYxEHS VNlw== X-Forwarded-Encrypted: i=1; AJvYcCWQ2fxoekQv2UoJk8QfqdDuKXeIrEvj8VIex7HaCPefVel6Vog9dWK6ROfuyKcS7jvTtS8=@dpdk.org X-Gm-Message-State: AOJu0YyMWd5KBciU2bteXmqJS1IKL0nFP0v6zZI/uwobxpSVLYy4L+mL pF3DNMIefUBJrjDojEcF/njoFfcaxSQ8qd4rmXyVgYUiC/3DEaS/PO9ccPt0obg= X-Google-Smtp-Source: AGHT+IGnqKLr4r7u3LfQ4v8Z6LXvFTlM3Fc8Seg09G7rWAtjR2/Kwy6/hHwrNExLbTFM3GC+jiPd8g== X-Received: by 2002:a05:6a00:3993:b0:71e:7cb2:57e7 with SMTP id d2e1a72fcca58-72062fb83f2mr17728108b3a.10.1730219171455; Tue, 29 Oct 2024 09:26:11 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7edc8a6e5acsm7673977a12.90.2024.10.29.09.26.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Oct 2024 09:26:11 -0700 (PDT) Date: Tue, 29 Oct 2024 09:26:09 -0700 From: Stephen Hemminger To: "Minggang Li(Gavin)" Cc: , , , , Dariusz Sosnowski , Bing Zhao , Suanming Mou , , Subject: Re: [PATCH V3 7/7] mlx5: add backward compatibility for RDMA monitor Message-ID: <20241029092609.6052056f@hermes.local> In-Reply-To: <20241029134256.874767-8-gavinl@nvidia.com> References: <20241028091822.860660-8-gavinl@nvidia.com> <20241029134256.874767-1-gavinl@nvidia.com> <20241029134256.874767-8-gavinl@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 Tue, 29 Oct 2024 15:42:56 +0200 "Minggang Li(Gavin)" wrote: > > +* **Updated NVIDIA mlx5 driver.** > + > + Optimized port probe in large scale. > + This feature enhances the efficiency of probing VF/SFs on a large scale > + by significantly reducing the probing time. To activate this feature, > + set ``probe_opt_en`` to a non-zero value during device probing. It > + leverages a capability from the RDMA driver, expected to be released in > + the upcoming kernel version 6.13 or its equivalent in OFED 24.10, > + specifically the RDMA monitor. For additional details on the limitations > + of devargs, refer to "doc/guides/nics/mlx5.rst". > + > + If there are lots of VFs/SFs to be probed by the application, eg, 300 > + VFs/SFs, the option should be enabled to save probing time. IMHO the kernel parts have to be available in a released kernel version. Otherwise the kernel API/ABI is not stable and there is a possibility of user confusion. This needs to stay in "awaiting upstream" state until kernel is released