From patchwork Mon Apr 10 15:57:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Song, Yoong Siang" X-Patchwork-Id: 13206467 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 24632C76196 for ; Mon, 10 Apr 2023 15:58:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=bDtXALJhVFBtw66jCZP7NlcBNtVFTliPS/85j0mDYEQ=; b=Gez6Mo0rG72Ux3 ak/JLZtYdOiZLzsrcCYpa1XpayXVtdYNpeC/Ypm8lPrk2fYLjEvZq2Ju019adzFqWgoMsuyZBB/px hEynViasRNPCjl1cJLu2SdejGHxH+na8ZV7qDHCp1cR+tLkJ8t0Bc/vONkDkgFFvNujingN1Sebtu lkgHcSQXxTx70GHhIdSm4hgQKkg+rskQS/2zgbtRkyXRvuOneFsyK1oZYv887kNe0+nRwLpcS856U jtb+h0lD5erbUrb6a7+nqV46y+WmRhhljJFzJNvWcwl4PlJhzazUi8aVOW00YoKCgt6EaHEAG6qU1 64sDF8BGIORv269l2Dvw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pltuE-00FUGQ-0q; Mon, 10 Apr 2023 15:58:10 +0000 Received: from mga14.intel.com ([192.55.52.115]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pltuB-00FUG2-2o for linux-arm-kernel@lists.infradead.org; Mon, 10 Apr 2023 15:58:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681142287; x=1712678287; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=HQO9M9sithh3L+t6OFXblJMgLNG8pcMkpCqPjnjf5T4=; b=fdiLwiVrexEMzH+5HEpFBXD3GujFgYv3V/e7Mey/gAXiJyVypQk3qkkc EfvgJC7xzM7OJ0qwdbh57dpe3g/IBZVa6y9NPoezhnOnBft1+UzxN0RjB +Q+evhoIecRFDbs+PL0QeEBiSuIoNdq9iIfzuNe73XQcQnq6Jp7jbXmgr dFXFcIzCmdrhktnnMG/NEMOOYMZNMAgSIdOGLGhJTkNyRl3PxkDU2vYT1 Dy6M/vPK1Ms5bdHyAui8VSRRonu3DI0M0fwmaaRO4V6rEg2BcCME/UBNN tMqnxW624amEY5jILdSx1IzRNC+tki/7vxO6TkkB9WaCD37jj6h+zfWGU Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10676"; a="343391642" X-IronPort-AV: E=Sophos;i="5.98,333,1673942400"; d="scan'208";a="343391642" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2023 08:57:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10676"; a="777601681" X-IronPort-AV: E=Sophos;i="5.98,333,1673942400"; d="scan'208";a="777601681" Received: from p12ill20yoongsia.png.intel.com ([10.88.227.28]) by FMSMGA003.fm.intel.com with ESMTP; 10 Apr 2023 08:57:47 -0700 From: Song Yoong Siang To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Alexander Duyck , Ong Boon Leong Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, xdp-hints@xdp-project.net, Song Yoong Siang Subject: [PATCH net-next v2 0/4] XDP Rx HWTS metadata for stmmac driver Date: Mon, 10 Apr 2023 23:57:18 +0800 Message-Id: <20230410155722.335908-1-yoong.siang.song@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230410_085807_953665_47348712 X-CRM114-Status: UNSURE ( 7.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Implemented XDP receive hardware timestamp metadata for stmmac driver. This patchset is tested with tools/testing/selftests/bpf/xdp_hw_metadata. Below are the test steps and results. Command on DUT: sudo ./xdp_hw_metadata Command on Link Partner: echo -n xdp | nc -u -q1 9091 echo -n skb | nc -u -q1 9092 Result for port 9091: 0x55fdb5f006d0: rx_desc[3]->addr=1000000003bd000 addr=3bd100 comp_addr=3bd000 rx_timestamp: 1677762474360150047 rx_hash: 0 0x55fdb5f006d0: complete idx=515 addr=3bd000 Result for port 9092: found skb hwtstamp = 1677762476.320146161 Changes since v1: * Add static to stmmac_xdp_metadata_ops declaration --- Ong Boon Leong (1): net: stmmac: restructure Rx hardware timestamping function Song Yoong Siang (3): net: stmmac: introduce wrapper for struct xdp_buff net: stmmac: add Rx HWTS metadata to XDP receive pkt net: stmmac: add Rx HWTS metadata to XDP ZC receive pkt drivers/net/ethernet/stmicro/stmmac/stmmac.h | 5 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 88 ++++++++++++++----- 2 files changed, 73 insertions(+), 20 deletions(-)