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 A9E2A46AE5; Thu, 3 Jul 2025 14:16:34 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 32A9D40267; Thu, 3 Jul 2025 14:16:34 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by mails.dpdk.org (Postfix) with ESMTP id 5471E40264 for ; Thu, 3 Jul 2025 14:16:32 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751544993; x=1783080993; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=umLoJVUcGw1G9SMFmks5bP0cgxVgvirjsZ5CaV9tIaQ=; b=E1W+y0qAZl/r5MAYcMhD3csMkHSHfsSbK5MSEzvWd92wN1wP0S7n14Ig ArlS4F4ju8L0/A+UShSfJK+fMqc78wmPBikMsbd9JzOqLhLsLqg7a2zbL iXLymsxJj6tGzM9zRdWpRfzT+1WBe1X4H3nElJ3M2dTxQl7lEk5alZAx5 rQlMm+OjjqSE/Rk1PtLNmyG9F8/df4m0jN4yi4h6jzwr+tbb7OBU8kBFw aBxvjX/2EgfDwrva5rlIRJvsGgOavzsNXcdtltoZ/9YjLwGrdf2ahSx2T 6MR+sxtmmgzQfyFbd90ytae6caxkJcc+FPcNPASX7iMngbV7HGgviAALO w==; X-CSE-ConnectionGUID: 8zlI1ubASL2/q6XWGc7EEQ== X-CSE-MsgGUID: ioJe8JnHTauQw2Up7Mt2vQ== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="53587352" X-IronPort-AV: E=Sophos;i="6.16,284,1744095600"; d="scan'208";a="53587352" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 05:16:31 -0700 X-CSE-ConnectionGUID: nrEqoykzQBKDucdrgQHw6Q== X-CSE-MsgGUID: UGhp7BkhS92p2DfHNwYAOw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,284,1744095600"; d="scan'208";a="153787198" Received: from silpixa00401177.ir.intel.com ([10.237.213.77]) by orviesa006.jf.intel.com with ESMTP; 03 Jul 2025 05:16:30 -0700 From: Ciara Loftus To: ciara.loftus@intel.com, dev@dpdk.org Cc: bruce.richardson@intel.com Subject: [PATCH] net/intel: deprecate some SSE paths Date: Thu, 3 Jul 2025 12:16:24 +0000 Message-Id: <20250703121624.1050845-1-ciara.loftus@intel.com> X-Mailer: git-send-email 2.34.1 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 The SSE rx and tx paths will be removed from the i40e, iavf and ice drivers in the 25.11 release. Each of these drivers have faster vector paths (AVX2 and AVX-512) which have feature parity with the soon to be removed SSE paths. In environments where AVX2 or AVX-512 are not supported, the scalar path will still be used, which also has feature parity. Signed-off-by: Ciara Loftus --- doc/guides/rel_notes/deprecation.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index e2d4125308..7b9b6beaa5 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -80,6 +80,11 @@ Deprecation Notices and the header struct ``rte_vxlan_gpe_hdr`` with the macro ``RTE_ETHER_VXLAN_GPE_HLEN`` will be removed in DPDK 25.11. +* net/intel: drivers that have an SSE vector path alongside other vector paths, namely + i40e, iavf and ice, will have their SSE vector paths removed in DPDK 25.11. This change + will not result in any feature loss, as the fallback scalar paths which have feature + parity with SSE will be used in the cases where the SSE paths would have been used. + * ethdev: The flow API matching pattern structures, ``struct rte_flow_item_*``, should start with relevant protocol header structure from lib/net/. The individual protocol header fields and the protocol header struct -- 2.34.1