From patchwork Thu Aug 5 23:00:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maciej Fijalkowski X-Patchwork-Id: 493232 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C15EC4338F for ; Thu, 5 Aug 2021 23:14:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEB0F610CD for ; Thu, 5 Aug 2021 23:14:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242311AbhHEXOf (ORCPT ); Thu, 5 Aug 2021 19:14:35 -0400 Received: from mga07.intel.com ([134.134.136.100]:23394 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242309AbhHEXOb (ORCPT ); Thu, 5 Aug 2021 19:14:31 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10067"; a="278023058" X-IronPort-AV: E=Sophos;i="5.84,296,1620716400"; d="scan'208";a="278023058" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2021 16:14:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,296,1620716400"; d="scan'208";a="503591621" Received: from ranger.igk.intel.com ([10.102.21.164]) by fmsmga004.fm.intel.com with ESMTP; 05 Aug 2021 16:14:13 -0700 From: Maciej Fijalkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, davem@davemloft.net, anthony.l.nguyen@intel.com, kuba@kernel.org, bjorn@kernel.org, magnus.karlsson@intel.com, jesse.brandeburg@intel.com, alexandr.lobakin@intel.com, joamaki@gmail.com, toke@redhat.com, Maciej Fijalkowski Subject: [PATCH v3 intel-next 3/6] ice: do not create xdp_frame on XDP_TX Date: Fri, 6 Aug 2021 01:00:43 +0200 Message-Id: <20210805230046.28715-4-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805230046.28715-1-maciej.fijalkowski@intel.com> References: <20210805230046.28715-1-maciej.fijalkowski@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org xdp_frame is not needed for XDP_TX data path in ice driver case. For this data path cleaning of sent descriptor will not happen anywhere outside of the driver, which means that carrying the information about the underlying memory model via xdp_frame will not be used. Therefore, this conversion can be simply dropped, which would relieve CPU a bit. Signed-off-by: Maciej Fijalkowski --- drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index fca5aca1ffae..3bb851481f3f 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -552,7 +552,7 @@ ice_run_xdp(struct ice_ring *rx_ring, struct xdp_buff *xdp, return ICE_XDP_PASS; case XDP_TX: xdp_ring = rx_ring->vsi->xdp_rings[smp_processor_id()]; - result = ice_xmit_xdp_buff(xdp, xdp_ring); + result = ice_xmit_xdp_ring(xdp->data, xdp->data_end - xdp->data, xdp_ring); if (result == ICE_XDP_CONSUMED) goto out_failure; return result;