From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75D59EC1EAD for ; Thu, 5 Feb 2026 12:47:07 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 166D4410E7; Thu, 5 Feb 2026 13:46:45 +0100 (CET) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by mails.dpdk.org (Postfix) with ESMTP id 77B5D4021F for ; Thu, 5 Feb 2026 13:46:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770295600; x=1801831600; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UuGSxN69rwj+7RfH/CZ9Lnpwb2dKT1+zL9OJSLV00i4=; b=WrCUECDPmH6cs7Ac/5xW4Yy9xlge/ZrV45vlnCIzjHTfcO6Cz5AFD+qY U42w5vHIcMk96mWDvSbztX2Br9bSkVqsLCsBFKJBFk9HJCun8XUJHqD51 TBXzgvqcnnxHiqKwmeHs+Sck1D3043Vxx76nE56v8WooIhnOu5qLr6CC6 KvCW8zJyv+qUsWP51nIk6SVmZW+Zy8pgnAFEXHeHwbcBsX/qqjEbLuJE2 HXzwqi1euZOrTmgNnxj7kfSqLoQAgU33dtkQ47KWBmPgQSss2SPLer8q/ tpe6mqAwolatn2Vd3jlC2CbkL+vFlRuBP2zKHFhzSDu9NO3qqRckFc+es g==; X-CSE-ConnectionGUID: M2r0PMY8TaGFPr40J9T/wA== X-CSE-MsgGUID: 5fFoBuCkSKuC4nHMUIwsgA== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="71481848" X-IronPort-AV: E=Sophos;i="6.21,274,1763452800"; d="scan'208";a="71481848" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2026 04:46:40 -0800 X-CSE-ConnectionGUID: pKfalHwlRuKU+94QhmUU+w== X-CSE-MsgGUID: N7JNY3/pRLqxWIlfewo2dA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,274,1763452800"; d="scan'208";a="233454861" Received: from silpixa00401177.ir.intel.com ([10.20.224.214]) by fmviesa002.fm.intel.com with ESMTP; 05 Feb 2026 04:46:39 -0800 From: Ciara Loftus To: dev@dpdk.org Cc: Ciara Loftus Subject: [PATCH v2 04/10] net/idpf: prevent Rx path selection after device start Date: Thu, 5 Feb 2026 12:46:21 +0000 Message-ID: <20260205124627.371733-5-ciara.loftus@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260205124627.371733-1-ciara.loftus@intel.com> References: <20260205103008.190493-1-ciara.loftus@intel.com> <20260205124627.371733-1-ciara.loftus@intel.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 To fall in line with other drivers using the Rx path selection infrastructure, prevent Rx path selection after the device has started. Signed-off-by: Ciara Loftus --- v2: * Fix unused label error for non x86 arch --- drivers/net/intel/idpf/idpf_rxtx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/intel/idpf/idpf_rxtx.c b/drivers/net/intel/idpf/idpf_rxtx.c index cee454244f..e7d44f7beb 100644 --- a/drivers/net/intel/idpf/idpf_rxtx.c +++ b/drivers/net/intel/idpf/idpf_rxtx.c @@ -782,11 +782,17 @@ idpf_set_rx_function(struct rte_eth_dev *dev) #ifdef RTE_ARCH_X86 struct idpf_rx_queue *rxq; int i; +#endif + + /* If the device has started the function has already been selected. */ + if (dev->data->dev_started) + goto out; +#ifdef RTE_ARCH_X86 if (idpf_rx_vec_dev_check_default(dev) == IDPF_VECTOR_PATH && rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256) req_features.simd_width = idpf_get_max_simd_bitwidth(); -#endif /* RTE_ARCH_X86 */ +#endif req_features.single_queue = (vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE); req_features.scattered = dev->data->scattered_rx; @@ -814,6 +820,7 @@ idpf_set_rx_function(struct rte_eth_dev *dev) } #endif +out: dev->rx_pkt_burst = idpf_rx_path_infos[ad->rx_func_type].pkt_burst; PMD_DRV_LOG(NOTICE, "Using %s Rx (port %d).", idpf_rx_path_infos[ad->rx_func_type].info, dev->data->port_id); -- 2.43.0