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 BE6F5489A5 for ; Wed, 22 Oct 2025 14:59:45 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 903374025D; Wed, 22 Oct 2025 14:59:45 +0200 (CEST) Received: from mail-pg1-f176.google.com (mail-pg1-f176.google.com [209.85.215.176]) by mails.dpdk.org (Postfix) with ESMTP id F17D74025D for ; Wed, 22 Oct 2025 14:59:44 +0200 (CEST) Received: by mail-pg1-f176.google.com with SMTP id 41be03b00d2f7-b556284db11so5636105a12.0 for ; Wed, 22 Oct 2025 05:59:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761137984; x=1761742784; darn=dpdk.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=jioTDfrub3SFn1ivIdnf+Kz9NrKUj3pUSaxJEjtXWS8=; b=JtsQzgd5jTlzDIddK6nBIzHAEJYsuL9ZB84DK6JwOdZFqGkiDtrHYjzQPmIrgpV2E1 sZMtK6YDeMBJDrTZd7dCIajCmesSNfZZ5LiejyV/ljJ+MV0x6mcyZVl8fq61wvYLRCpM d8uKM+fThf3riK1QbQnrQRak+6FetmU407RbTk3G/xfluDz+sC1E2EgK7r2gHVWFsmim 364OQW6ec9bPxc5X79QURoYRUjt9AONGnMVwE5hg/FARuKaNgweZz93BSFI7qzHeQrmv 5qS6giPdbPz6twySxEcFOPe+SzIbjkXQly8vURV/H5ar+rpEZISgHrsaTqHQbbsbcMjI Lp7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761137984; x=1761742784; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=jioTDfrub3SFn1ivIdnf+Kz9NrKUj3pUSaxJEjtXWS8=; b=Hy4kNU8kFROGF7JkVZaI8joXJFzn9sj+Tcp+b2XpMggcpWhGXZDtLrW4YPjhtjprkS e1DilxjQiEUwEreK3ViFBovx9QBuujTebPBHjmWBRAw1qZNO7TnpbxGiS0MSx11iFItG lfAfx9KwMXrUxJ6MlTtRyS2aMFNGl+EQXUhIhe5aJpYHnQeh7AG9OKZcKMSFUaFVRCjm BfACAHwLLcxc6Qib4Kek+b+7MIp4OpdlIF25HPIAnZEg49Um0UPvA/QYNllJ6lcbl/F+ tYXETEcScCyHoQeQsrJJoW4hBQXFaUXPoOQpd9K+RKzjjNRTjk7Tq1sN32Scdn3sNjjd PJCQ== X-Forwarded-Encrypted: i=1; AJvYcCUxGbeiOHDiBCfoUGr29/lOTIkC9vSp3I4PgyIONaItS1Y9SX5OTeOR3ziB64bJlRAEY67ELw0=@dpdk.org X-Gm-Message-State: AOJu0YzsWdi+xGJ0oEVU/EZpO+poIWjJCM3VhhDC8tuEV6P0EDgYnxzg pO8Drxx3LeIKf6L6d9ptEW/i5X4hiLTy1BGK/vpSFyxklwzWGfeCLwtA X-Gm-Gg: ASbGncssDMKYZ2yePAK6BvwDrBICKx/PyguP5wVwxHaq/dgZ87EASCbCWARZddixAvp KrLF7huCxTxyae8UZtOgwrs4ftvAopv3iCw+lmAWj/j7UxsFhKfngghaJwDSl0b/ZVRziCjoe4r Xsqu2K1jfCh61068NReBAmunyyWduNl5oFy1xDPpEcHks8KWFdnGczarQXF+XjKeRC4VCFMC8r4 IT0NX7o7c7sczA6eF/EMqE8EvKth5cT0oP4g1gR+bRc1gJs9psEzSybg+AuUuiW8yyKskrdMOem ONkug4N7CSz7haVpUaOpsQrifmsjAaerlgKAhuMdr62bnHRvCiZ2qP7XZWHJOwKYfd9gOBoj9Nh LSM8grznHEVbrL+mDMU51MwJRXYhXMZkJD/pzHbdDgHC6GjW2u9CWCtzvoYVIu3t61S3tO4NsQH d0/DPhM22N3wKrPaJNvPGxUvmdqjHcUsc+WpWIWmqlNYVOdYCs3asvLhJDYyaghgJJlwnO X-Google-Smtp-Source: AGHT+IFVuomptp8mXDjxxyc3LL3i4mQB8VRBsJ8V54CCka8lPb4G5qJrgH9M5oBiwEEleM1OgS2Z0w== X-Received: by 2002:a17:902:f610:b0:272:2bf1:6a21 with SMTP id d9443c01a7336-290c9ca72aamr290213035ad.14.1761137983726; Wed, 22 Oct 2025 05:59:43 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:50bb:5301:cacd:1307]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b6a76b5a007sm12774741a12.31.2025.10.22.05.59.40 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 22 Oct 2025 05:59:42 -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 18:28:44 +0530 Message-Id: <20251022125844.6187-1-amiyaranjan.mohakud@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) 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 This 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 conifuguration. Ref: 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..fee4c23091 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 = 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)