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 3370146BAE; Fri, 18 Jul 2025 20:37:59 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B431440B8F; Fri, 18 Jul 2025 20:37:58 +0200 (CEST) Received: from mail-yw1-f181.google.com (mail-yw1-f181.google.com [209.85.128.181]) by mails.dpdk.org (Postfix) with ESMTP id 8505C40611 for ; Fri, 18 Jul 2025 20:37:57 +0200 (CEST) Received: by mail-yw1-f181.google.com with SMTP id 00721157ae682-71840959355so26787747b3.1 for ; Fri, 18 Jul 2025 11:37:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1752863876; x=1753468676; darn=dpdk.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=NgaNmlDY54WgoH19nC53gIC5b/169v1ozuX2mFnF0/M=; b=cGRHo/uIFGjXGTKgHgguY5uTBCtWOUEwE8J4tftbaAONn9AFW1S9qI39b36Wf8v1SP BTzXxcCrhVtzXad+Sl+tTtmsC23GYTSYMTTfIv9sAx6JX3orKED1To5/eeBYffHLlr57 YEpY7lgVAs97WvURHZ+mNB8bgJrcbZzfhd3hE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752863876; x=1753468676; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NgaNmlDY54WgoH19nC53gIC5b/169v1ozuX2mFnF0/M=; b=jtKAsOiTA//pQNHpK+wuofGvs3lqvawoq8yCIA2N85NlDiC2CFhqSuGDCUpdarR5ls ZidCBO2Zl3vyy9e5sPvGdGzuEOpoF+gez/Wviozybz4/pFtcH0mYv9XtW96qW5Lc8nn2 ZGRO7JvAj0/0E+r+W34RpSBKG3TtXQSsicU7z1ARPar5PcSA4rvcYBd3IWhI8ozEc5jx ppkKBrobySnUgmqw4QwxJxqz3W240SbONx9arBKG9qOksNljzftDo7Jhyx51mX8oBF0E uRumaWkLmwtlz4jHCvRwFRTKP/OQh7oVFva2BsVhRSzQLLRyNfnNs9Y3iPea/W1yTKQ8 VBFw== X-Gm-Message-State: AOJu0Yw35OETzyPemGTjJIGsCo/iTmUtellvF+5mUvnL+O/k5x9WSdMY 80GACXT6E6l6pweA1+2TtJAfw0Tj5U/8EG12roky62EdXLD7itAKo5H95QmDPUD9qu5bCMfUwHv 1Lu1TqJ/+FENA1z+AxvozChR+rjqfNuYCD/uM8TPKAA== X-Gm-Gg: ASbGncvZzlZ/nSgeHCt5I41UWtGwHcxDVyxu//BgeV044/t9l4oDKOfNQaqRmZ/dgkw qcc3liu+c/EmXEnqPSfIrLo6QSGwOimC/WerPzktNbFYV2LP+VWWmrM4KYIyQpGuALLZtPqMYqU zIL0kRSwWR1zbHcp6t+aD0chmCavAPQEc6xCtR7ut073mHG97s25C1TsS06peYQ/7TKnl4wvhTh XGtD/d9QNTYbm/29/bNJOs= X-Google-Smtp-Source: AGHT+IExwV8iDZHYjjcvioBUy8aS1VyhCfjMDDOT1OL7Q+uLsvW6ln63hh3CsDgK0iQVF6Lcg3SVNs+A3+gffZ3sk5A= X-Received: by 2002:a05:690c:a012:b0:719:4c68:a713 with SMTP id 00721157ae682-7194c68b24amr49021817b3.2.1752863876543; Fri, 18 Jul 2025 11:37:56 -0700 (PDT) MIME-Version: 1.0 References: <20250225153345.331216-1-thomas.wilks@arm.com> <20250718150404.200096-1-thomas.wilks@arm.com> <20250718150404.200096-3-thomas.wilks@arm.com> In-Reply-To: <20250718150404.200096-3-thomas.wilks@arm.com> From: Dean Marx Date: Fri, 18 Jul 2025 14:37:45 -0400 X-Gm-Features: Ac12FXyjV4uMtO2Gr8UNv7WzBGGC94uF8F65I7q8AnPBbgAGAuIBFA3_lDTd5hY Message-ID: Subject: Re: [RFC PATCH v3 2/2] dts: add PMD RSS testsuite To: Thomas Wilks Cc: dev@dpdk.org, Paul Szczepanek , Luca Vizzarro , Patrick Robb , Alex Chapman Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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, Jul 18, 2025 at 11:05=E2=80=AFAM Thomas Wilks wrote: > > Port over the rss_key_update, pmd_rss_reta and pmd_rss_hash > test suites from old DTS into one file including all of the > helper functions that are required by all of the test suites > to work. > > The rss_key_update test cases verify that setting a new hash > key when Receive Side Scaling (RSS) will result in a change > in the packets destination queue. These test cases also > verifies that the reported key size of the NIC is correct. > > The pmd_rss_reta test cases verify that Redirection Tables (RETAs) > of different sizes function correctly in RSS. These test cases > also verify that the reported reta size of the NIC is correct. > > The pmd_rss_hash test cases verify that the 4 supported types of > hashing algorithm used in RSS function correctly and that the nic > supports them. The four hashing algorithms being DEFAULT, TOEPLITZ, > SYMMETRIC_TOEPLITZ and SIMPLE_XOR. These test cases also verify > that the supported hashing algorithms reported by the NIC are correct. > > Signed-off-by: Alex Chapman > Signed-off-by: Thomas Wilks It was brought up at the DTS meeting yesterday that this suite is reliable on Intel NICs, but unreliable on Mellanox (CX6), which I can confirm after running on a CX5 and Intel XL710 and seeing the same behavior. Reviewed-by: Dean Marx Tested-by: Dean Marx