From patchwork Mon Jul 5 16:43:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maciej Fijalkowski X-Patchwork-Id: 1500900 X-Patchwork-Delegate: anthony.l.nguyen@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org (client-ip=2605:bc80:3010::137; helo=smtp4.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4GJX204CT4z9sXM for ; Tue, 6 Jul 2021 02:58:16 +1000 (AEST) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 0FAEC404EC; Mon, 5 Jul 2021 16:58:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kog1pMbAnwwj; Mon, 5 Jul 2021 16:58:13 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp4.osuosl.org (Postfix) with ESMTP id 085BF40508; Mon, 5 Jul 2021 16:58:12 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 8E6EC1BF3B5 for ; Mon, 5 Jul 2021 16:58:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 7CE1E605BB for ; Mon, 5 Jul 2021 16:58:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1TvzL9An4-77 for ; Mon, 5 Jul 2021 16:58:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by smtp3.osuosl.org (Postfix) with ESMTPS id CE18F608D1 for ; Mon, 5 Jul 2021 16:58:04 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10036"; a="270126756" X-IronPort-AV: E=Sophos;i="5.83,325,1616482800"; d="scan'208";a="270126756" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jul 2021 09:58:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,325,1616482800"; d="scan'208";a="562686299" Received: from ranger.igk.intel.com ([10.102.21.164]) by fmsmga001.fm.intel.com with ESMTP; 05 Jul 2021 09:58:02 -0700 From: Maciej Fijalkowski To: intel-wired-lan@lists.osuosl.org Date: Mon, 5 Jul 2021 18:43:37 +0200 Message-Id: <20210705164338.58313-4-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210705164338.58313-1-maciej.fijalkowski@intel.com> References: <20210705164338.58313-1-maciej.fijalkowski@intel.com> MIME-Version: 1.0 Subject: [Intel-wired-lan] [PATCH v2 intel-next 3/4] ice: do not create xdp_frame on XDP_TX X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: joamaki@gmail.com, netdev@vger.kernel.org, toke@redhat.com, bjorn@kernel.org, kuba@kernel.org, bpf@vger.kernel.org, davem@davemloft.net, magnus.karlsson@intel.com Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" 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. Call directly ice_xmit_xdp_ring instead of ice_xmit_xdp_buff for XDP_TX action returned from BPF program. 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 23b97c9579fb..fef1f74562e5 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -586,7 +586,7 @@ 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;