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 A631C489A5; Wed, 22 Oct 2025 15:32:50 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B1D734029D; Wed, 22 Oct 2025 15:32:49 +0200 (CEST) Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) by mails.dpdk.org (Postfix) with ESMTP id 686B04025D for ; Wed, 22 Oct 2025 15:32:48 +0200 (CEST) Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-782bfd0a977so5095554b3a.3 for ; Wed, 22 Oct 2025 06:32:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761139967; x=1761744767; 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=1wEyte0nOF4Xh9c7ES3RPQa2L1UQt/wIOWrjQvo7AuI=; b=djeiHvkmItDvcRu8KhMqK9OFscw7e/iXlpM5HfXrZ+MSFqGpja4DJTKJEkuF/Rz+pG iZh/Rl/yu5vwcVnuYmQl8Zb5sMgPP5axlzWsn4qhrMpVYckHy6gabUlTQtnroK5HoNrF LHKHSHOTIvKTdRwiOunc+x3/YHmD3nBLZ6SdY2Ie4G2aX4vBQ/DbTB3De4XZ+zY9ttZL F66BSxmY57q7WOXxEc5XcgGhEgiFxUg8JxEZoryA0zppA868ts+0uDTwAfwD8u7usLdf VTsSgJ4V7yu3RRpEFQj/zZcjt0JxnHIpujeeK3meJfZQD/MPkC+cr0aNOyVd3+7Uj2tB QJPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761139967; x=1761744767; 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=1wEyte0nOF4Xh9c7ES3RPQa2L1UQt/wIOWrjQvo7AuI=; b=mOTsdr+i76FiyYeGy1l2rxazhJVYJ22vAj14xlFMmSXYIpXm+oDf/L/18Y50LwJxEs UvUXjTwp8OqY+4EX4Q+yx0ifXO/J+GQKcuK+s35PyhhhoXGWBcOlunwZgrWQkOcOvr0l oWOpL53f7TkxLN15LoUBwEzRdVLe+o/8IQAJqOEDwkUqRbdw5xCbG4U7ft/ePOFmpnwa 23BB4sbTJPvxPef6toCXHS/s2D9Yzmd3s6tEwtTaOyvZOs25IbWzyShIhLNAtmOQlIQ6 xfW57B0PlhqFEfA/5MauqDB/b2hWRAGvuoTiKyj3KWifIHfy4KaGybU6v6IrcBv4qnir Gq3Q== X-Gm-Message-State: AOJu0YwYMznTDVy2putWTib/gkE+EbqxN0fIKFHXNAZFLsZY2lM1Evkj BnHz4fKF3zVhQxQ7WMSxXMfSI/elSojQhFom22qVtdbDvM09HF1UzCqo2YffXQ== X-Gm-Gg: ASbGnctdbbNwEmK3EBziT7CAKod4eTBwoF6sIwkr1jvrmPV+mk4RZIbwh+C+A87gC2K lL/81fH5QQz5A5dw5399sX7nbvMIs9SPTzUvogz7rLrSmW4z/jOFXY01XzYGvkMCgKhCbjiNwGE z5PhbKuobCRhGB95PAsvoI87mcVIplSH5KgIfyO+K1YCa2m++iaPmhHo6r+GiPWeXxIFq8nwxVe ycIDXrQ1FqCMSF/BqlpldYDZ0vHEzRntvtpmQZM6H/QeNGJlZlWEoPWSXMv2CRz4eI6vAnMpmK0 3EEXZ015NRmfOvq2iu6iBpeO1ULbkMwurfoeZ9ClVw9MDaPPW7p2WORJ6Wk2+OQgzPkN0ldEAAH XYkabk2zRz8Z9Ssc2ONF+5JmN9ff2nmzr0A6RF9l2bsIe8MfIe/NItq8cKdN74af9MDWo/80PFE mLQ6yjw0Qt2Kbic1e9gLZ1/snyh+QTbHf5jPTluQi72bbxr9Njy8Ycb174hfP/PDWXaPrh X-Google-Smtp-Source: AGHT+IGh5riGfMMdnM9cj1d1gVzeRbjtdZwO7lMoLRf3/TKXJhh7U2Dxy57rG+18IGF0hWoNFVUbhA== X-Received: by 2002:a05:6a00:99a:b0:781:802:45b7 with SMTP id d2e1a72fcca58-7a220a5836dmr25174896b3a.12.1761139966853; Wed, 22 Oct 2025 06:32:46 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:50bb:5301:cacd:1307]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7a26ba99366sm1374432b3a.55.2025.10.22.06.32.43 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 22 Oct 2025 06:32:45 -0700 (PDT) From: Amiya Ranjan Mohakud To: dev@dpdk.org Cc: amiyaranjan.mohakud@gmail.com, stable@dpdk.org Subject: [PATCH] net/vmxnet3: disable RSS for single queue configuration for ESX8.0+ versions Date: Wed, 22 Oct 2025 19:02:32 +0530 Message-Id: <20251022133232.6896-1-amiyaranjan.mohakud@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20251022125844.6187-1-amiyaranjan.mohakud@gmail.com> References: <20251022125844.6187-1-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() whilw 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 Signed-off-by: Amiya Ranjan Mohakud --- drivers/net/vmxnet3/vmxnet3_ethdev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index f4cdb1bb31..3c0ddba80c 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -534,6 +534,12 @@ 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_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)