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 C2EA7E9A03B for ; Wed, 18 Feb 2026 09:50:33 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B7BA04065B; Wed, 18 Feb 2026 10:50:12 +0100 (CET) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by mails.dpdk.org (Postfix) with ESMTP id 8B15C4042E for ; Wed, 18 Feb 2026 10:50:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771408208; x=1802944208; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fRRX2oaaz/wOUfL8/bAlDTQL5Js58PbzKhFTeuqhFeE=; b=iQKZT1yhMJ76+0q4qlVXGB3OiLfTno3vVeWWHleJ6UIi6Oz26pZx4Ri2 Z+36CaZEylfXN9H0HiI5/c/D0xC9ZbBZLM6ImAK8Vk17isAT4SBAVxZdh lVljvGE4g14P8aYL3F/UEKgHXPnhTRLpUakIDjZcDI9me9oU10F6F41Ou nC2nra7i5FhD5OJ99nDph0dOowAwmkM0tlLZYP+ANUUYUNX2bdov5AtAl RESZx8F3nQJxnSblWfEbPackNvyOo0DVUahFuxYRBUnvYk8DIGKHTv2SZ o/XojoidHalUzGVWTNX7C9A9W6nBdlHBwVWQMNWVVKU/xK8g350h6uOK3 Q==; X-CSE-ConnectionGUID: r2BBN4H+Q4eNzMPXFKBGGw== X-CSE-MsgGUID: tH6h5PpeRfeceFMRs6666g== X-IronPort-AV: E=McAfee;i="6800,10657,11704"; a="83929845" X-IronPort-AV: E=Sophos;i="6.21,298,1763452800"; d="scan'208";a="83929845" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2026 01:50:07 -0800 X-CSE-ConnectionGUID: +bLTD9avR92RIlQoGi4Bsw== X-CSE-MsgGUID: c+87xPDoTny+v0ecNRzFnw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,298,1763452800"; d="scan'208";a="214257098" Received: from silpixa00401177.ir.intel.com ([10.20.224.214]) by orviesa007.jf.intel.com with ESMTP; 18 Feb 2026 01:50:06 -0800 From: Ciara Loftus To: dev@dpdk.org Cc: Ciara Loftus Subject: [PATCH v3 04/10] net/idpf: prevent Rx path selection after device start Date: Wed, 18 Feb 2026 09:49:31 +0000 Message-ID: <20260218094937.1652391-5-ciara.loftus@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260218094937.1652391-1-ciara.loftus@intel.com> References: <20260205124627.371733-1-ciara.loftus@intel.com> <20260218094937.1652391-1-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 6317112353..81bcc08126 100644 --- a/drivers/net/intel/idpf/idpf_rxtx.c +++ b/drivers/net/intel/idpf/idpf_rxtx.c @@ -795,11 +795,17 @@ 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; @@ -827,6 +833,7 @@ 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