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 4C8B8489A6; Wed, 22 Oct 2025 17:57:17 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 64015402A7; Wed, 22 Oct 2025 17:57:16 +0200 (CEST) Received: from mail-pf1-f180.google.com (mail-pf1-f180.google.com [209.85.210.180]) by mails.dpdk.org (Postfix) with ESMTP id 98A8540262 for ; Wed, 22 Oct 2025 17:57:15 +0200 (CEST) Received: by mail-pf1-f180.google.com with SMTP id d2e1a72fcca58-781ea2cee3fso6316548b3a.0 for ; Wed, 22 Oct 2025 08:57:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761148634; x=1761753434; 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=otG5MsAyve2hMoVxdwCDxgimm2PfZqEIFk5Sv8dnkXM=; b=QOAfwPh94PivTsbXw0zp93ENNvaE33Z8HGESDPKHpMfOSkcBnZ+XDlesd517bAKQNq am27Buqkgay9b3St9+NsZ99X+MthJTJjfwzm6M+PwJ0Q/e8zWn1dNwZ/HV0fe4FnIbGM tZI49cRXrTmhUWHOLt93jWkXzDsoeLsCJ6iTz8wP74QGxdY7dXHapnFzbK1+IX5CMsxZ MShj3l5IEjC45kyiByYQkVrh3socwMWRA7ByWkQAbk2ufBlqXLKlAzdB+w9kjg6rKfc1 OhVJ75X7sBiS8qOTbN/ZiAbeNapiN/iqTpHoGQFFoiEA4BRRs5BIw3Orivihi4iWltQ6 g61w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761148634; x=1761753434; 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=otG5MsAyve2hMoVxdwCDxgimm2PfZqEIFk5Sv8dnkXM=; b=DlOtpPN90DzLjcnaOkIGSeU4eTe12W5Hzq96bXJCz328GWfB+1EsM5FADhhIJeTvD3 R/hY+vN+3WynmYMaxAVnNXFTNsS3/cMKnt/bDLJCiw/Yqeb++2CP96HidSK7pxO0OdF9 NEkgbh0x5XzcGcigRPozEkmvpzF2d7vTkzfi0GdZk1Rjs4NeHUvBfP73eV6V4Va9fpBY AVvW5A7N3jI9IRTs/L8FTnDv9ZrK38ueM/gsdwGCtXP5vjmSrJxy5hcoD/Q1y365KThC n/G/vJCN5vPonJNclSfUuqFRGz6A7O6hDVZoHouC48Pb0vHv1O+K+BuPqLa4Iz9Mri5Y OFDQ== X-Gm-Message-State: AOJu0YxdghH34fgox6MORCO4KF+DGshAxX02Is3YiqG9LDEShXLWV+iu O6QCDDfPFbCnywEnmsOlGWMqsyxNcl3LtN3yBhpHCcmKAzkVzWml91ohQyYOMA== X-Gm-Gg: ASbGnctDY7S6e5B9GRhrMLWGNIXpQf4Ns1JjGmLxMmPFVYmeJ1Ole5IECKj9nv20qwH OEc4HntjZ6K9MjO7srGTsp74vL3/NKLOn7vpDUv2B5+3kn2xsTjcOzY6RWx0Z1+bUGCBS/qjaVF ZxiZQUdYjJyornB7R5lId2xx1tWnjm8foKGSD1QOOS0MgQpkcsc6O7DgG34xSMnoHduhcVIYktG XBgVD8Ae8wW1MB1XC+mjziOUJzsj1YDK2dqnViuN8MkEji029zKep3DmhD2Z/GYMMX/HOQXz5RE XnxmzYQX4oB5Izr8TsEFOZ8kI98zBr/C1mPkqv/uOSyJzTGlQU9Dt1WeK1Z7uevpbQgFi1lDpJX 6Xt8wbPWUbLewilhy5Y2tCXRvg9XufFTYRZFC3irrsVAzsOlnEjL0dPAPZehWx9Sf41dUdUaBMA aoTvec7mXFqdGgy94MAh5hRVHFiU+KwwUnn4sQ84dH5J9/XnSO/uP+FzPbBg== X-Google-Smtp-Source: AGHT+IHZqCoTaWJjMsh7S20L7qTgnXC120QgPbm1N4vucdggHNMIPiMDjZ3DesVqdheVm5Fsp/VyXg== X-Received: by 2002:a05:6a21:999e:b0:32b:70aa:a1d9 with SMTP id adf61e73a8af0-334a85fcd29mr29779929637.33.1761148634238; Wed, 22 Oct 2025 08:57:14 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:50bb:5301:cacd:1307]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b6a76b77bf6sm13437223a12.41.2025.10.22.08.57.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 22 Oct 2025 08:57:13 -0700 (PDT) From: Amiya Ranjan Mohakud To: dev@dpdk.org Cc: amiyaranjan.mohakud@gmail.com, stable@dpdk.org Subject: [PATCH v2] net/vmxnet3: disable RSS for single queue configuration for ESX8.0+ versions Date: Wed, 22 Oct 2025 21:26:51 +0530 Message-Id: <20251022155651.9818-1-amiyaranjan.mohakud@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20251022133523.6977-1-amiyaranjan.mohakud@gmail.com> References: <20251022133523.6977-1-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 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)