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 08832489AF; Thu, 23 Oct 2025 09:22:50 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 01404402C3; Thu, 23 Oct 2025 09:22:49 +0200 (CEST) Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) by mails.dpdk.org (Postfix) with ESMTP id BBA9840151 for ; Thu, 23 Oct 2025 09:22:47 +0200 (CEST) Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-781997d195aso360616b3a.3 for ; Thu, 23 Oct 2025 00:22:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761204166; x=1761808966; 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=YWAgHHFkB9lkXYB0f8T7WAtxnLiLBBOW8vUddgm7aUI=; b=EBBWs+J93dfL5csqR0hGLZC4fV7sYHkaQ9/8JZ57iJ4JDI8l1IyxNb3iZX8pkH1hVO HXg1He/Izhbh6Q40WXfcXQv847Jf0CFhtOhNu3o8hSk1bPqUZyW9t81ozS/jbdvE6ZUy 0vuwPzOLI7MxobY80XjFsn+NgT984vJMgDuX6OAHiT00e3WVfjWjmSIEDDzRsJ1LYyMu RPob+d6IsK1A9iX/3FcV/I4AxN80JzCsSZMhrNQHjDf1VBihmKNkFxmSod5qe+7IIMuG RyaMZ2MqemFoU240ANMlW+hiVCXsNqcunuWEl4rWdi+77aI/z1FLv9SMAiSKATS/ZC3t 3bQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761204166; x=1761808966; 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=YWAgHHFkB9lkXYB0f8T7WAtxnLiLBBOW8vUddgm7aUI=; b=C/K6zcnVj+WMjNEiqAhCX3ou/Po73sS8DWalElVKHxtotdU6SDR/Q8QmxB+r0bYmYn O4RaecC9+ajGonKRHJyvR4j8p5dReG550xG8SuXietOeNoJT9qL+mvu4cILTu1+52GN2 xwEwBD8cZ3MQDHHfm2BC7LiFkpqeOHEXZjbWhNq2HcrLBnA2lMBwzc6nUQCQHd+nhUdI 7QXXopjW+zn09dz0RP8DgnRVhVy0NyhTYFYedwn54s+PMldBpwL5jqkcSldAhqAq/mUg rcSdKwXKfW4Kg79EisjqlnTStDHom2EUdtjuUYDZ/8jMJ/zfz/xbzU3DqMECg/V5aXTL 4CJg== X-Gm-Message-State: AOJu0Yw5wxait/0LZ4Fzd0AsuIFoXnybRN9d054EWeiR9p33gOn165Xk Y0pB09lsj9/vL6l8PyrYnIZqFT+lVVTySzU3jRSVuUD/AREqM85D7pk9qV4nBQ== X-Gm-Gg: ASbGncs5rwtJZ6ie2MwUYyF9646WNZ2omQtVeJOM6DJZlTtsA1kb6k3x+uPKhk/aQ3+ iBeM+/1YGXenyqKZqMVV/en9pLV3BQvexgpvCKMyEQJkQ+W+QrsPyK9SW2ZAFWoJaNIeBcII5s6 EWKl8uQKJl4guRd7bOMcN57zPKTPAOoY6sJopDQe49nU5V5yEwuhDEMDpmBKWKBjUPyiD9PaL+Z d8jNTUyuKFbA8XiAs/+jY3iXbsQScBJoqUwvbF/J76saUM3iNHN4cg+2aus+jBH/dPDE8bx3QU2 S4e8wx2Ay/WXQou5Qzf5Tpqxsm7LMnwc1x6uk/UVFOluYkyPk6mbUS7fkEqko5DbbiseI0cJ8pR VUk+8uZrplk81APYqE9CDbNhUR3k7oYj4nthXZNOg/mlna0DW3aZITWn6VpTBU3us66fzK5VHTT Rwk7hCDtuW0yVulXwqts+FMG/hzQB7w6ql+9kcIvvTYZNd9wrcfWfibCQM6UdzQZTUrzSD X-Google-Smtp-Source: AGHT+IFMzUZpmcBdZSAiO63SpNpChlIMyuVfDNo1y8GGR7S2dXbuP7tDgztsowFf34DyvqOGx7pK4Q== X-Received: by 2002:a05:6a00:4fc9:b0:7a2:7458:7fc8 with SMTP id d2e1a72fcca58-7a2745880c9mr2244069b3a.13.1761204166418; Thu, 23 Oct 2025 00:22:46 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:690b:e114:2f06:4eff]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7a274a62216sm1554396b3a.5.2025.10.23.00.22.44 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 23 Oct 2025 00:22:45 -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 12:52:38 +0530 Message-Id: <20251023072238.17584-1-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: 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 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 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)