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GET /api/patches/758168/?format=api
{ "id": 758168, "url": "http://patchwork.ozlabs.org/api/patches/758168/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170503172904.9788-10-jacob.e.keller@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170503172904.9788-10-jacob.e.keller@intel.com>", "list_archive_url": null, "date": "2017-05-03T17:28:58", "name": "[v4,09/15] i40e: add statistic indicating number of skipped Tx timestamps", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "3cb2218a8fde82620807d0e8327b3d86f22b8a62", "submitter": { "id": 9784, "url": "http://patchwork.ozlabs.org/api/people/9784/?format=api", "name": "Jacob Keller", "email": "jacob.e.keller@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170503172904.9788-10-jacob.e.keller@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/758168/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/758168/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3wJ4sQ3fF3z9rvt\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 4 May 2017 03:29:30 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 005C289A88;\n\tWed, 3 May 2017 17:29:29 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 1rSJuGYkMyK2; Wed, 3 May 2017 17:29:27 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 8112889B94;\n\tWed, 3 May 2017 17:29:23 +0000 (UTC)", "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ash.osuosl.org (Postfix) with ESMTP id 4FF301C0F65\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:16 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 503DC88138\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:16 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 2XYMgUe28ab1 for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:13 +0000 (UTC)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby whitealder.osuosl.org (Postfix) with ESMTPS id 84436884E6\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:13 +0000 (UTC)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t03 May 2017 10:29:12 -0700", "from jekeller-desk.amr.corp.intel.com (HELO\n\tjekeller-desk.jekeller.internal) ([10.166.35.158])\n\tby orsmga002.jf.intel.com with ESMTP; 03 May 2017 10:29:12 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.38,284,1491289200\"; d=\"scan'208\";a=\"82071024\"", "From": "Jacob Keller <jacob.e.keller@intel.com>", "To": "Intel Wired LAN <intel-wired-lan@lists.osuosl.org>", "Date": "Wed, 3 May 2017 10:28:58 -0700", "Message-Id": "<20170503172904.9788-10-jacob.e.keller@intel.com>", "X-Mailer": "git-send-email 2.13.0.rc0.317.gcc792a6cad5a", "In-Reply-To": "<20170503172904.9788-1-jacob.e.keller@intel.com>", "References": "<20170503172904.9788-1-jacob.e.keller@intel.com>", "Cc": "Richard Cochran <richardcochran@gmail.com>", "Subject": "[Intel-wired-lan] [PATCH v4 09/15] i40e: add statistic indicating\n\tnumber of skipped Tx timestamps", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "The i40e driver can only handle one Tx timestamp request at a time.\nThis means it is possible for an application timestamp request to be\nignored.\n\nThere is no easy way for an administrator to determine if this occurred.\nAdd a new statistic which tracks this, tx_hwtstamp_skipped.\n\nSigned-off-by: Jacob Keller <jacob.e.keller@intel.com>\n---\n drivers/net/ethernet/intel/i40e/i40e.h | 1 +\n drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 1 +\n drivers/net/ethernet/intel/i40e/i40e_txrx.c | 1 +\n 3 files changed, 3 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h\nindex cdde3cc28fb5..aa46ae016539 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e.h\n+++ b/drivers/net/ethernet/intel/i40e/i40e.h\n@@ -506,6 +506,7 @@ struct i40e_pf {\n \tstruct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */\n \tu64 ptp_base_adj;\n \tu32 tx_hwtstamp_timeouts;\n+\tu32 tx_hwtstamp_skipped;\n \tu32 rx_hwtstamp_cleared;\n \tu32 latch_event_flags;\n \tspinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c\nindex 7a8eb486b9ea..35a246f05520 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c\n@@ -147,6 +147,7 @@ static const struct i40e_stats i40e_gstrings_stats[] = {\n \tI40E_PF_STAT(\"VF_admin_queue_requests\", vf_aq_requests),\n \tI40E_PF_STAT(\"arq_overflows\", arq_overflows),\n \tI40E_PF_STAT(\"rx_hwtstamp_cleared\", rx_hwtstamp_cleared),\n+\tI40E_PF_STAT(\"tx_hwtstamp_skipped\", tx_hwtstamp_skipped),\n \tI40E_PF_STAT(\"fdir_flush_cnt\", fd_flush_cnt),\n \tI40E_PF_STAT(\"fdir_atr_match\", stats.fd_atr_match),\n \tI40E_PF_STAT(\"fdir_atr_tunnel_match\", stats.fd_atr_tunnel_match),\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\nindex 19984be0f70c..c69ee4b0cfe2 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n@@ -2630,6 +2630,7 @@ static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb,\n \t\tskb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;\n \t\tpf->ptp_tx_skb = skb_get(skb);\n \t} else {\n+\t\tpf->tx_hwtstamp_skipped++;\n \t\treturn 0;\n \t}\n \n", "prefixes": [ "v4", "09/15" ] }