From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA1BBF483C9 for ; Mon, 23 Mar 2026 16:17:32 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D285640268; Mon, 23 Mar 2026 17:17:31 +0100 (CET) Received: from mail-dl1-f44.google.com (mail-dl1-f44.google.com [74.125.82.44]) by mails.dpdk.org (Postfix) with ESMTP id D782C4025F for ; Mon, 23 Mar 2026 17:17:29 +0100 (CET) Received: by mail-dl1-f44.google.com with SMTP id a92af1059eb24-128b9b7e3edso6990192c88.0 for ; Mon, 23 Mar 2026 09:17:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1774282649; x=1774887449; 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=/m4Vo2YdOdHauqtKKdQjjj2XMo2tiwp/4TsPhVCvXk0=; b=p65TBi8BlK/NsiUcRLu0YqmX+eSQM5zF8D1Wf+IdDxbGhkChB2NwG2oUHDhJHAf0cy qS4Y5qChcjspp4zyGg1In7+w4WiZeiulHYo6PguodyXAOjx23hRjfupG4sQEXvY3Jo3x 4JJWR/pu5rHBDAtBoJr8mToBewd8PboCL36pmY/F/ez/nBN1b1TGvOYHFm0W7+s4UP5x mO5ulIyfyDnLSB8MLnulzR1VNWJIOGwv2p+aPWGP0+RfzRqss6G7K2w7g3ylqudfxSkz apeug+t9tfDdKTJZCTHQboWKdekLBhCTz9YP7Nd4yVwC/lyusvZwM/ZHy5C1VmSXmSMk 1OcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774282649; x=1774887449; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=/m4Vo2YdOdHauqtKKdQjjj2XMo2tiwp/4TsPhVCvXk0=; b=lzy7lgPMlrXa6lr6lO3LXc/I/A7U29C/E7lDccCFYGDtnaIxvFl1g727zt0VSPqlqG iT72BNbWkz/Ie6dHidm+oHTHVj5YjlK1yo5kGbpt3ixkh6nL7lMdIy60YhpKezQNSISl in/iGYtumGrY6Oz257TqL4FZ7aQvSflLJsaXzlH1Z/E3juoRgzCkgdZWlhD05HyYFINH 7T6qgO5NCmENJtpNtgI1v7rFpy8vHTXOkgU376QoC7f/wDOeUsJi4VFpEfE6OEVBjupC n4BLFLgTTN2jULOIutj68dDwJOo8W5uy5+bo6JIbOMVY3f7d5ABoPl/Fc21Q23gMrz/h VrLQ== X-Forwarded-Encrypted: i=1; AJvYcCVL565/qnJDXtE83QPNu/JHuGoR0k1th1BGZAQ0ZCYKvk7t8G6pLDrUL/kFjRZqWTvmwys=@dpdk.org X-Gm-Message-State: AOJu0YyaAqaE5kj5mDK8+ijwepei6jm9l6IjLDkN9rgfprRCZkwYLoeX NJToS7agVtq4F7kE8LYoqNmjNc6sAFztyhS/nZ1F93kgj0ZuZtPjzFd9gHApBtULTBQ= X-Gm-Gg: ATEYQzzHPwjSn6UMC3Ravj0gLXgHpOeofVi80/5UO22C+WCYG4ewUsSvCw6P3iomelM FpO2LYDCYRk36jO3L51N6vb9QpkC8UYb2mmWRaazQb0xx/eOWstAvBzva3uQLq0MH21tlqxhESV UgBiTGI/EF5ml88LNw3QU6GD4Y1ljSADzQpdLnWkr9xFjot+gPNRmEuhzZOtZsxBrb2qXQ0X2U6 K1PNrRUbZ3XUl7/Lge1H6hrcQ8dvjqA17WXgXXOrQrV3whH0+iLlfEk2/1Ly6OhDyKsXtAxnUbZ 2IaGNNcD5Q/W7mZTy+/OB4Czu0Wrcrr62YdddMGMMZroR0+fJsDk39sTQqyr45IF74yzvITZd8M 5Ql3YqL7F5FQwVQEfsb1BlXTtgJVTw2/2bYGclNbXWnl6BH9T3iD7GmE01wA+Gum1RusOS6Mvjk ct8dnB/5H+PW9h4CqkNVpYMzAU/KgjL4bcmWE= X-Received: by 2002:a05:7022:e1e:b0:124:9acd:3b15 with SMTP id a92af1059eb24-12a726f86cemr6172620c88.39.1774282648782; Mon, 23 Mar 2026 09:17:28 -0700 (PDT) Received: from phoenix.local ([104.202.29.139]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c10b3253d0sm12809102eec.29.2026.03.23.09.17.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 09:17:28 -0700 (PDT) Date: Mon, 23 Mar 2026 09:17:25 -0700 From: Stephen Hemminger To: a.schollmeyer@syseleven.de Cc: Aman Singh , dev@dpdk.org Subject: Re: [PATCH] app/testpmd: warn on shared rxq switch mismatch Message-ID: <20260323091725.3440ad89@phoenix.local> In-Reply-To: <20251125102207.428661-1-a.schollmeyer@syseleven.de> References: <20251125102207.428661-1-a.schollmeyer@syseleven.de> 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, 25 Nov 2025 11:22:07 +0100 a.schollmeyer@syseleven.de wrote: > From: Adrian Schollmeyer > > Shared Rx queues do not work with every combination of ports. Besides > requiring the corresponding device capability, shared Rx queues also > require all ports of one share group and queue ID have the same switch > domain and Rx domain. When these fields do not match, shared Rx queues > are not properly set up and queue sharing may fail silently. This can > happen even in some less intuitive cases like multiple VFs of one > physical NIC. > > To make debugging issues with shared Rx queue configuration easier, this > commit introduces simple checks and warning messages for all members of > a share_group and share_qid to warn whenever there is a mismatch in the > switch and Rx domain. > > Signed-off-by: Adrian Schollmeyer > --- Why is this not handled at ethdev or device level? Testpmd is just a test program. Real applications might make same mistake.