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 8C9E4489A5; Wed, 22 Oct 2025 14:59:46 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B8A214027D; Wed, 22 Oct 2025 14:59:45 +0200 (CEST) Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) by mails.dpdk.org (Postfix) with ESMTP id 3C0024025E for ; Wed, 22 Oct 2025 14:59:45 +0200 (CEST) Received: by mail-pl1-f170.google.com with SMTP id d9443c01a7336-269af38418aso85398525ad.1 for ; Wed, 22 Oct 2025 05:59:45 -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=TGl6usDhrkNj9arHPkOOx88rf+s53bZiJ6kTqn0t4KlyE1L+VjDMj8C60FR1FVG2a3 P1vsQHktHnmQYlqEFrgk+TkaOwEGlChrVy89mLhcgRS03vHPbiPFD10cdbWdx1lL9wVa NfJQ+i/yV+xUhnuJqKexlFVMJnNqSj6UQU7uYCpxvQ8aKzvgo2rAUmZxPCdWMb9k3OGM q//KikF+HudtXmiHf/XpHXCIJTh4V9bAY5gCTBfjNI1rzy6+Scrjz0xzl7EN5Gp/cD8f IWoIJYvqVo6N9mggmyozBDqKtKD6BPy+GJ1hcaCNq0XGfS2CJIOasYSlTpN4AAe5WcPo 2/pw== X-Gm-Message-State: AOJu0YzIHmmDPzf2A/4P3Ac0SDYO7igQrI0/tuvUWo09ULuIAMgBvJ05 +jb34sjtFQximMBzftgLJwBdhP1jzI736hDUL607uIEOCzKPlKoi58n1sFlZkQ== X-Gm-Gg: ASbGncs14MdXOla6lil3a1Ve8Gw8fC9FbCvbg0EjsHf72fbWBX2Px0Hgt90FdhZNvuA mFxVXVGnckY42V+feLfQ2rIpbDspJXPw6cd/dcgWjxD8zzGpjnbNxKE+/o4RNXFlQ94xbDpahhS M7Ss1t0kmeZWUe9BIALodFfH5hCiKgQKsMg85QUA8n4gCZBQYNvimIkHUDdHvj5G3MRYxjb+8e4 vsDkwqWuheA3qejWh6I+gsgPk9YpnPzcLKVZ+ceavGM7s7aAj9KZKudeCYDeu/GgNs9y8FZPvwp Ajib5FKL71f6+k2AEsDIS6i8gtJzNHHXQhBkQ39tnmjmEzqNjhhddigN09XJe/i4kzNcnqFGUOr VijaTg18XWsycySTla4ZmyGQ2L1OXexZ2/xVinyNf7abcIU7DShgOEvVqjrGYNgmaV0B40P6Ayj 8ndjaLJuG5swvI/5Tcj1eVYo9bfolW2Vbq6QQT51TOQnU8bPwwN5TWUyvIZvZVewd0uyte 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: 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 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)