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 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=ham 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 24804C4320E for ; Thu, 19 Aug 2021 12:15:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09D876113B for ; Thu, 19 Aug 2021 12:15:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239394AbhHSMQG (ORCPT ); Thu, 19 Aug 2021 08:16:06 -0400 Received: from mga06.intel.com ([134.134.136.31]:50609 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239307AbhHSMQF (ORCPT ); Thu, 19 Aug 2021 08:16:05 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10080"; a="277560996" X-IronPort-AV: E=Sophos;i="5.84,334,1620716400"; d="scan'208";a="277560996" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 05:15:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,334,1620716400"; d="scan'208";a="532195136" Received: from ranger.igk.intel.com ([10.102.21.164]) by fmsmga002.fm.intel.com with ESMTP; 19 Aug 2021 05:15:26 -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, brett.creeley@intel.com, Maciej Fijalkowski Subject: [PATCH v7 intel-next 5/9] ice: do not create xdp_frame on XDP_TX Date: Thu, 19 Aug 2021 14:00:00 +0200 Message-Id: <20210819120004.34392-6-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210819120004.34392-1-maciej.fijalkowski@intel.com> References: <20210819120004.34392-1-maciej.fijalkowski@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@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 b031f754c5cb..7739cd379052 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -554,7 +554,7 @@ ice_run_xdp(struct ice_rx_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; -- 2.20.1