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 4AE94489B1; Thu, 23 Oct 2025 10:30:31 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 68A4B402E3; Thu, 23 Oct 2025 10:30:30 +0200 (CEST) Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) by mails.dpdk.org (Postfix) with ESMTP id B97DE400D6 for ; Thu, 23 Oct 2025 10:30:29 +0200 (CEST) Received: by mail-pf1-f172.google.com with SMTP id d2e1a72fcca58-7a27ab05a2dso191315b3a.2 for ; Thu, 23 Oct 2025 01:30:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761208228; x=1761813028; 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=Wa44899RI35+6NQEgMJ6INV82CPtiE+Ahs6THM8cw0Q=; b=CYQqrxsHZ1WHFfNKbjJS+rGCrpZBDPWY2X8/FIlEJKUD0XICU07jVw3BnYb3Xe0Vtx teiar82lILH/lRVn/3SPuxUTHRM7I6c1PWrsfcXRwMmPNoTfRv0CovZAhoE/D6eLgSZb e20uqbPltkfmMA2lZHXGCLJzp1vgqaeeL4iuOx9SdUwxmvYe6uFrtOQ7ABIKSplkFtix ZB2tYlHhZ3dTuJ6n5ZHjJjgI3QKVcI14LPxKaK3Gq89LnkLafxqgkR5QA+tGJpBYLHIV VUbrzS+5HuyTKGroDOhOGqAPpWUZlYxY1UO/BU2USZZUg+IHshQ2jCcd0mTSvpwtuvTa 2u+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761208228; x=1761813028; 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=Wa44899RI35+6NQEgMJ6INV82CPtiE+Ahs6THM8cw0Q=; b=ZSpDShWoY+pKBFt6ONEleTrX5BBOceTNjTlDefce4B+qtmFNZPguYO7US6blW6DK7j ABh3NNHm4bSD7/8EiMC40+40AepuAEn5sqgCNqSfjNaAyyEhdNSzjRj4CbOjP/ubUkIu VYPOz5XbEHlHxad1Hs+wZD/B6cy95MBGBQW7FM+YgwuwKbK9NUqVoMoeXdNYb7Kzik0X pchg++TvQo4h0yemuqLH+E9TpOmO04EDZiayZuovHm1ZKxqNS+S4Y91T8Qv+9BN7DxgM tPjh7TQrAEILuqpX0XcW3tiLyV3OK89nZMcDpev46lwyNfqw/xbz6p0S2crrZdPZfeMS Fg3Q== X-Gm-Message-State: AOJu0YzK3GBND+V9KY+9cQx2qvMEcOFZl7+emvtEM0fk5eO25JYMW75v LBb0Q/Vqf6jc7nOShSz72QhsxriCbrnGwnpVdYwuXoZEC0W6g0OtO9m1nEuCZQ== X-Gm-Gg: ASbGncuXQUlCysuHaOfPGyvr+pByV8rE7UDAKpdxHY9PhaE4dujffGvotpsbkl8TWba KwwfTn8k84AxcM0ltss7LJaNqAVEWPk5oAnQrl5+j3dlowFSJVUKiiR3O7FKY2/nirCWYizwqSz gHa6NQl1gFRaRI/bMcfw2oK5MKkkhTun0g9W89W2bA73GmJllx4Y39IT0z+t80TbpjunHfA9qqO RIOAsQstEtL29k2h2bf7R2ywMsK612LnVVCTsyvDSn6foXPFlS0lNQ1hh5pap2O40wMzzgrEhXJ /FwcXe2ew/koqmbF9m7qvJO27l0LkQW2zSgdG6eG8c417RGgmr8PZ7SiW56HH/VJLpKfpDHAEZ3 nt6Hqzyuy0RdWgxkMt/RNo2IKk73W7MTvWxzjh9SyUcaFdDDsTn4D+49OID/jFa+nG4qs3wLHEs VhdhGOyN4Yb+cDxDNWej10zgsPsLcJ2iQ4qiDfUkRpPM3bpjbA/piMUpcEMoV71tvJF3AK X-Google-Smtp-Source: AGHT+IGeEgOKAgHCgH9Cf/7EStU0tiHj8ZHNFk4fWJNOA6vt3Q8F40OpJZmea/c8lIg4dmnm5cZk7Q== X-Received: by 2002:a17:90b:3d8a:b0:32b:6820:6509 with SMTP id 98e67ed59e1d1-33bcf8748b5mr30202786a91.9.1761208228215; Thu, 23 Oct 2025 01:30:28 -0700 (PDT) Received: from amiya73TMT9m.aristanetworks.com ([2402:e280:2162:53:690b:e114:2f06:4eff]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33e223d11c8sm5022097a91.4.2025.10.23.01.30.26 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 23 Oct 2025 01:30:27 -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 14:00:19 +0530 Message-Id: <20251023083019.18792-1-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: 52ec00fd1474e8 ("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)