From patchwork Fri Aug 6 09:55:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maciej Fijalkowski X-Patchwork-Id: 493204 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, URIBL_BLOCKED, 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 B39E7C4338F for ; Fri, 6 Aug 2021 10:09:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97F436101C for ; Fri, 6 Aug 2021 10:09:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244835AbhHFKJm (ORCPT ); Fri, 6 Aug 2021 06:09:42 -0400 Received: from mga14.intel.com ([192.55.52.115]:29475 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244906AbhHFKJ0 (ORCPT ); Fri, 6 Aug 2021 06:09:26 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10067"; a="214074285" X-IronPort-AV: E=Sophos;i="5.84,300,1620716400"; d="scan'208";a="214074285" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2021 03:09:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,300,1620716400"; d="scan'208";a="513338613" Received: from ranger.igk.intel.com ([10.102.21.164]) by FMSMGA003.fm.intel.com with ESMTP; 06 Aug 2021 03:09:08 -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 v4 intel-next 3/6] ice: do not create xdp_frame on XDP_TX Date: Fri, 6 Aug 2021 11:55:36 +0200 Message-Id: <20210806095539.34423-4-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210806095539.34423-1-maciej.fijalkowski@intel.com> References: <20210806095539.34423-1-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;