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 3B447489B1; Thu, 23 Oct 2025 10:24:42 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 72778402D0; Thu, 23 Oct 2025 10:24:41 +0200 (CEST) Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) by mails.dpdk.org (Postfix) with ESMTP id C10FE4025E for ; Thu, 23 Oct 2025 10:24:39 +0200 (CEST) Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-33d28dbced5so774343a91.2 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=ZnKNJoKRvb6YZk2gYJbSdcLwPXOdcPgSp9HyQ3TXt+NPQ/xw502RTHaWDi2Svv/vHf 6tWl0jPh9iR1DAX+JqzzXT6QMw2t2mrrP0LfRw3S2Xh/Dz2dEOXItG7K5CjmdWICBoad oRAJY/TQWy98vVwvgRFTLuNKSJPZqys1uX67f2U3vUy4uuXGwLbhC5s/GO/lzpZxA2ND E4FbbafjK9fXG9YvyRp1irBj5Knqy5re93HOOvpezdGkufOp8A9fBUu3ZKv02Pj2TrNx 2txfRw52uJxZwPIT6mMbOqiIFRJtL/hvOYlO3wTkRZhjIpKJtuQRZITNboGK9nK85Ldh Q2Ag== X-Gm-Message-State: AOJu0YyZUg2s/6IVuD/4cydzbDV+ALx8jrEgPVQws9BIsJCSF4bhDx/+ RuKg5Fc4T9tTRttBWZEJloPaRF8Teks3NB43CvWa0+Paaj46Vi+5Uniqto2qaw== X-Gm-Gg: ASbGncvAIw5acI8gJMBoL647u2xykEyiqHC3d+sfF/tKme6hH6HCg3aJYHsjd9tfVvZ hcuHyqAGOozmwndrNVe9xeGAV35jNcbQm5nUT+6HdKItTAgZKMTOH4xquOfwWAAsplGI4WU1ls4 hHgO6e4XpTiQYuA14PZmN5w/s5URXdr+ssjGhrppwIsNmboACqewMwpan182o2nO5y/F5SWG579 DBagf1b2wyN08xLji9ffXyJdMNRFxDI76YdGFeyRl3f69zEFOqyQLooB/zMaP8KCDQ8gnDyD+5F POMTlRptC2ndwtWFl1KHG6Ko69F/waMABF9ixVXqmG3rndMRgHQ5y8W+MST6pbZjasu40+4VXlC +8qPkX98FNPELNv8TaYh3QfwuKLUjbM0g+TFEwN5cfn+aplXsKiOByljxuZRYqxPec/llZFkQ8d UuFaT5e1lviCIo77ZP5kEAC4f3OLb9XBZ4uIBBt0wWQ+cMKKbqvrAKfktQiw== 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: 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 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)