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 98A6946C0D; Fri, 25 Jul 2025 14:51:01 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2A79240649; Fri, 25 Jul 2025 14:50:17 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by mails.dpdk.org (Postfix) with ESMTP id 3B9BE40616 for ; Fri, 25 Jul 2025 14:50:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753447813; x=1784983813; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DQRzelnLO5jNU+AhkUP4e66fJEWnb26HjRkwjpSagvQ=; b=OM+XigRxPd73eoLz5jrhQa4d284AVyFu7TY8gzUB/Cn3GHZ/kzy+Jdvl bcIOTsTppxDoKEzA9RlLkB2waEEFd7Uld9bY8/sZDCMRB+AcA1s0c6VMk aU9IQOpXJQGw1794r+ShQR7NgTrLcbP+DbI6hzb6PbilPPfKevqM0CJ2b tLEc68w2t6wPbDbrz8LLmmt04GDaGsI1aleIN03oqwhy3s1K2zMG1KS8e TVVGpgj6WX4SU4FFIrY797VsM0Z6LyqlutF7HnyP61geIbBz+gRdRZRwQ SlvrKDipFL4gizQjSiEuBUKlwL3u3xLnOq4XxvJIdEmma1Jsyw3kRotXE Q==; X-CSE-ConnectionGUID: hphDpad7QUiTqqia3u94hg== X-CSE-MsgGUID: geOihTT9SlCBc+UFex0ohg== X-IronPort-AV: E=McAfee;i="6800,10657,11503"; a="66480153" X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="66480153" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2025 05:50:13 -0700 X-CSE-ConnectionGUID: Ja9EiClMTjWTWxeOa/QNBA== X-CSE-MsgGUID: N6a3Rr8ZSfao4zDpoA43CQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="161152308" Received: from silpixa00401177.ir.intel.com ([10.237.213.77]) by orviesa007.jf.intel.com with ESMTP; 25 Jul 2025 05:50:12 -0700 From: Ciara Loftus To: dev@dpdk.org Cc: Ciara Loftus Subject: [RFC PATCH 07/14] net/iavf: use the new common vector capability function Date: Fri, 25 Jul 2025 12:49:12 +0000 Message-Id: <20250725124919.3564890-8-ciara.loftus@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250725124919.3564890-1-ciara.loftus@intel.com> References: <20250725124919.3564890-1-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 Use the new function for determining the maximum simd bitwidth in the iavf driver. Signed-off-by: Ciara Loftus --- drivers/net/intel/iavf/iavf_rxtx.c | 27 +++++----------------- drivers/net/intel/iavf/iavf_rxtx.h | 1 + drivers/net/intel/iavf/iavf_rxtx_vec_sse.c | 6 +++++ 3 files changed, 13 insertions(+), 21 deletions(-) diff --git a/drivers/net/intel/iavf/iavf_rxtx.c b/drivers/net/intel/iavf/iavf_rxtx.c index 3329499e59..e36a07d5ac 100644 --- a/drivers/net/intel/iavf/iavf_rxtx.c +++ b/drivers/net/intel/iavf/iavf_rxtx.c @@ -3970,21 +3970,13 @@ iavf_set_rx_function(struct rte_eth_dev *dev) int check_ret; bool use_avx2 = false; bool use_avx512 = false; + enum rte_vect_max_simd rx_simd_path = iavf_get_max_simd_bitwidth(); check_ret = iavf_rx_vec_dev_check(dev); if (check_ret >= 0 && rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { - if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256) - use_avx2 = true; - -#ifdef CC_AVX512_SUPPORT - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1 && - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512BW) == 1 && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_512) - use_avx512 = true; -#endif + use_avx2 = rx_simd_path == RTE_VECT_SIMD_256; + use_avx512 = rx_simd_path == RTE_VECT_SIMD_512; for (i = 0; i < dev->data->nb_rx_queues; i++) { rxq = dev->data->rx_queues[i]; @@ -4129,6 +4121,7 @@ iavf_set_tx_function(struct rte_eth_dev *dev) bool use_sse = false; bool use_avx2 = false; bool use_avx512 = false; + enum rte_vect_max_simd tx_simd_path = iavf_get_max_simd_bitwidth(); check_ret = iavf_tx_vec_dev_check(dev); @@ -4138,16 +4131,8 @@ iavf_set_tx_function(struct rte_eth_dev *dev) if (check_ret == IAVF_VECTOR_PATH) { use_sse = true; } - if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256) - use_avx2 = true; -#ifdef CC_AVX512_SUPPORT - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1 && - rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512BW) == 1 && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_512) - use_avx512 = true; -#endif + use_avx2 = tx_simd_path == RTE_VECT_SIMD_256; + use_avx512 = tx_simd_path == RTE_VECT_SIMD_512; if (!use_sse && !use_avx2 && !use_avx512) goto normal; diff --git a/drivers/net/intel/iavf/iavf_rxtx.h b/drivers/net/intel/iavf/iavf_rxtx.h index 1641bfe59a..36157003e3 100644 --- a/drivers/net/intel/iavf/iavf_rxtx.h +++ b/drivers/net/intel/iavf/iavf_rxtx.h @@ -606,6 +606,7 @@ void iavf_tx_queue_release_mbufs_avx512(struct ci_tx_queue *txq); void iavf_rx_queue_release_mbufs_sse(struct ci_rx_queue *rxq); void iavf_tx_queue_release_mbufs_sse(struct ci_tx_queue *txq); void iavf_rx_queue_release_mbufs_neon(struct ci_rx_queue *rxq); +enum rte_vect_max_simd iavf_get_max_simd_bitwidth(void); static inline void iavf_dump_rx_descriptor(struct ci_rx_queue *rxq, diff --git a/drivers/net/intel/iavf/iavf_rxtx_vec_sse.c b/drivers/net/intel/iavf/iavf_rxtx_vec_sse.c index e4c1f9fc7b..9dae0a79bf 100644 --- a/drivers/net/intel/iavf/iavf_rxtx_vec_sse.c +++ b/drivers/net/intel/iavf/iavf_rxtx_vec_sse.c @@ -1387,3 +1387,9 @@ iavf_tx_vec_dev_check(struct rte_eth_dev *dev) { return iavf_tx_vec_dev_check_default(dev); } + +enum rte_vect_max_simd +iavf_get_max_simd_bitwidth(void) +{ + return ci_get_x86_max_simd_bitwidth(); +} -- 2.34.1