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 5673B489B1 for ; Thu, 23 Oct 2025 10:24:41 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4F8FC400D6; Thu, 23 Oct 2025 10:24:41 +0200 (CEST) Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) by mails.dpdk.org (Postfix) with ESMTP id 96FC7400D6 for ; Thu, 23 Oct 2025 10:24:39 +0200 (CEST) Received: by mail-pj1-f52.google.com with SMTP id 98e67ed59e1d1-33d7589774fso639010a91.0 for ; Thu, 23 Oct 2025 01:24:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761207878; x=1761812678; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=gEudl9ZbFfgRz+Isk9lTzOsKVgJKNtnvRO0UDnFZPTk=; b=Wsk58rbIaBfHKtWd90KtQfkM0dL34L0WhgtFbmcjQ7Vl0Ri0mJCh+Z0kRofY9t/Jca LuW3r+adhtXXvF4qORUbTO8TjSbiVIXSDSZmfVYRlphGemVhvFREIpwDcHYqTYdzLOSC bTJCIx43G/OgQr3WHyaXB/szs7qU0Qto7rxUiOOVEMGgAq1W30i65eT0VzhHcreB2unU pmutNsMGdiVCW10fEBeHRrDFZ80mhSMVC9D9qgbdkcx8gQpqJcxP1XprWSgZoJdajN9F R2OHM24pvq4o+em4JVRwmN84ybYFCnSuChthqUEO4r0JZLFd/97CLTWnb6Dg82/htiRW VSYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761207878; x=1761812678; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gEudl9ZbFfgRz+Isk9lTzOsKVgJKNtnvRO0UDnFZPTk=; b=NVj4PObIqdsXMd3uNH4cz5VnYngbK/SlG3e8OJFmu8EhfLXryWHLqa4Y0rtU/o8DiG XQSJ4pi7TbwnFJfBH17D5GzTq7zN+ms/8MDpMOEYOKsHPv0w2S+l+/07a+UFP/sbjpri DJBOGDvizp3tkBTt6np5T35Jl7OcXn9aD1gu5ZMOi8NCVpsQi+ZdZil0lnK6/ImwYYHU ovve/Th3m39Vu7lXgJ7PhY/jNCxPUdegnJFHrbkcGs43fSTyaCzneSVOFeud+xcDcx20 zoYdgpkapKMKyJuHfxNNqNs1Ct64vpacJq93dKa+PtYVkT9ucuW3zoBjHa65F68ILqZg y6+w== X-Forwarded-Encrypted: i=1; AJvYcCXRjIEx6d7xmuxfSwDLnZ3F4Br3xKkyKPyx86Y35uLXMk7hhqZI0vDAPM3Z/LxJyRZBhTKkl5s=@dpdk.org X-Gm-Message-State: AOJu0YywNOcljUMu5xcS63BgR5orWEcOkVZNLbvIbwEdQSqBK76robYj i7fj5ROf28Rv4TTZUf0faEiBVi7Jm1SDgyQoJ6QjXl6c362WAi5R7UCesJKSMw== X-Gm-Gg: ASbGncsGgrWGvRhhOu8JSDnI/1rHMQ6Brcbkd23BRGbHNRArMgBSpN06MOznI0rqgc9 /a1P9a+MqL5U3idbBzA48iZsgOA1bVHqAmxrHRdVreIGgiLGJDf24QxIUTfuwSI6ZPehlgwEIPT SKm4cX2Krv5h1xEKVV2Z4t3Ab1RBL67j4Pz+NC52B1cnLtu66O1uVlmgg3uaZLLgzygEo8cdlMz vDlI6lMCFKeoz7pMsPnOfm0iYP+3Qk3+rrbj9W13XB5gCUYgkzmB/uIds1g1YuBfTSt0mYJ5cFU B1K0FiQfzLPjwPElqf/nWygMTJ9Jc+7PvM+JkkYMPog2Vi2J5GFL5LC6YoS882hM4gR5PpjChKe axus/P9VnpVFl3QO1ttYPuNyl97nl/EA9+F8vPT0OAqBSfFebcPFC6rH2dhWd0lzc7IDkF3t5E2 u6SP5gBjJSC+TPqCI6IgF8OAY6eZY6xfAb71sPz4/Jk5e9k29a+RS9EXSRMg== X-Google-Smtp-Source: AGHT+IFamXaFB577sD/YN5TG0MOsi1FghBypt+tsUEjiOZ+OJtCJ0Hkd1RJNsfn8dOpd2EHspfDP8Q== X-Received: by 2002:a17:90b:5343:b0:32b:65e6:ec48 with SMTP id 98e67ed59e1d1-33bcf84e1edmr32220901a91.8.1761207878399; Thu, 23 Oct 2025 01:24:38 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:690b:e114:2f06:4eff]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33e2247a359sm4976306a91.12.2025.10.23.01.24.36 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 23 Oct 2025 01:24:37 -0700 (PDT) From: Amiya Ranjan Mohakud To: dev@dpdk.org Cc: amiyaranjan.mohakud@gmail.com, stable@dpdk.org Subject: [PATCH v3] net/vmxnet3: disable RSS for single queue configuration for ESX8.0+ versions Date: Thu, 23 Oct 2025 13:54:28 +0530 Message-Id: <20251023082428.18664-1-amiyaranjan.mohakud@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20251022155651.9818-1-amiyaranjan.mohakud@gmail.com> References: <20251022155651.9818-1-amiyaranjan.mohakud@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org It fixes the issue of v4 RSS configuration failure in vmxnet3_v4_rss_configure() while writing to BAR register. It's very specific to single queue configuration. https://mails.dpdk.org/archives/users/2025-April/008236.html Bugzilla ID:1789 Fixes: 52ec00f ("net/vmxnet3: fix RSS setting on v4") Cc: stable@dpdk.org v2: - Fixed typo in commit message v3: - Checking if RSS is already enabled Signed-off-by: Amiya Ranjan Mohakud --- drivers/net/vmxnet3/vmxnet3_ethdev.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index f4cdb1bb31..a0306af86c 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -534,6 +534,13 @@ vmxnet3_dev_configure(struct rte_eth_dev *dev) PMD_INIT_FUNC_TRACE(); + /* Disabling RSS for single queue pair */ + if (dev->data->nb_rx_queues == 1 && + dev->data->dev_conf.rxmode.mq_mode == RTE_ETH_MQ_RX_RSS) { + dev->data->dev_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE; + PMD_INIT_LOG(ERR, "WARN: Disabling RSS for single Rx queue"); + } + if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH; -- 2.39.5 (Apple Git-154)