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[2620:137:e000::1:20]) by mx.google.com with ESMTP id va26-20020a17090711da00b0094a4a9913e7si8434254ejb.754.2023.04.12.03.36.13; Wed, 12 Apr 2023 03:36:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=Q4srKryq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229559AbjDLJnV (ORCPT + 99 others); Wed, 12 Apr 2023 05:43:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230099AbjDLJnT (ORCPT ); Wed, 12 Apr 2023 05:43:19 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A115AD; Wed, 12 Apr 2023 02:43:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681292593; x=1712828593; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=jPs+CdsG5on+mgZJH/qHDWHeHVfbVe0iJzdrJeUiuEo=; b=Q4srKryqt9x8Xfi43IgKVj58SLGvVdp8XBfym17yN9WabCarhhpPrdp+ fEIhePpLhG60Y9n8m5qWZJ3SWR3+vBQ80+krs8E0/oRqKh3Jz4arINf1g t/GjACnaNcRdJtmbPm2AjDyokB6ZgQqWlyfJw7D0619jQimEDg0GF+yNC sXl+9znUyEjCmumsNNrFTvmu6y8gJYF7lDemyMUkF/UrtSRXPitmp529u wPBLSb7LfGAFPs8d2ShqwrBJP9vBrN+B0osPUJI6Yfet6Qbz+aBkIx2YY 0Fdf+KkpjBSNYKO3Ajlsf6SBLx30xRuMhkVUXB2mzv6FhUe1+14qW5L+Y Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10677"; a="346526307" X-IronPort-AV: E=Sophos;i="5.98,338,1673942400"; d="scan'208";a="346526307" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2023 02:43:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10677"; a="682430883" X-IronPort-AV: E=Sophos;i="5.98,338,1673942400"; d="scan'208";a="682430883" Received: from p12ill20yoongsia.png.intel.com ([10.88.227.28]) by orsmga007.jf.intel.com with ESMTP; 12 Apr 2023 02:43:06 -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 v3 0/4] XDP Rx HWTS metadata for stmmac driver Date: Wed, 12 Apr 2023 17:42:31 +0800 Message-Id: <20230412094235.589089-1-yoong.siang.song@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=AC_FROM_MANY_DOTS,BAYES_00, DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762966422721946891?= X-GMAIL-MSGID: =?utf-8?q?1762966422721946891?= 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 v2: * To reduce packet processing cost, get the Rx HWTS only when xmo_rx_timestamp() is called 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 | 7 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 87 +++++++++++++++---- 2 files changed, 76 insertions(+), 18 deletions(-)