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GET /api/patches/583762/?format=api
{ "id": 583762, "url": "http://patchwork.ozlabs.org/api/patches/583762/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1455662685-7231-1-git-send-email-brian@walsh.ws/", "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": "<1455662685-7231-1-git-send-email-brian@walsh.ws>", "list_archive_url": null, "date": "2016-02-16T22:44:45", "name": "[1/1] e1000e: Fix ptp time reset on network interruption", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "18a117f10ed63acf0437b61e5fb36336c959e08f", "submitter": { "id": 68336, "url": "http://patchwork.ozlabs.org/api/people/68336/?format=api", "name": "Brian Walsh", "email": "brian@walsh.ws" }, "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/1455662685-7231-1-git-send-email-brian@walsh.ws/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/583762/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/583762/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\tby ozlabs.org (Postfix) with ESMTP id C10DE1402C4\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 17 Feb 2016 09:44:50 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 16A0F95728;\n\tTue, 16 Feb 2016 22:44:50 +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 5YYFuHqMNkxs; 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Tue, 16 Feb 2016 17:44:45 -0500" ], "Authentication-Results": "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=walsh-ws.20150623.gappssmtp.com\n\theader.i=@walsh-ws.20150623.gappssmtp.com header.b=TltqKf+n; \n\tdkim-atps=neutral", "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "from auto-whitelisted by SQLgrey-1.7.6", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=walsh-ws.20150623.gappssmtp.com; s=20150623;\n\th=from:to:subject:date:message-id;\n\tbh=l8ZGjWbYmvnSS7QLM/lyBxDRelwbJUTCtEZ9eP4RxhY=;\n\tb=TltqKf+ntbcLyXt7Z90jaRt3TuRrqWjXWEQfHW1ZC4AQIttUt1Ur7tA+ivvBrHENwX\n\tbXSbA3PcC/UDG6VYjCy4NoLvCRyu1PrWAJlaEqV+OgO2e6BDHNQaMSqsD7kEyWl3W0v/\n\tFPD0cuYjAmxdo0x7bnLjcrRzyFpB2FRYRfk8YiCLq7cDWSp8Od0EbDoEMrnmhKEArspv\n\tc8ANugZQ5tDngJH7g6YsRvwkKHbShrJEqsvXwKtHF+dvkZwktMQ7iTgoih2WZfBaB0De\n\thbE+vZEAEHDKSk5u/sJRlDWD+QM455c5fl0PNYFG+I3JofoV/Rt3FfHJZNIFrZATMpPD\n\tCkhw==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20130820;\n\th=x-gm-message-state:from:to:subject:date:message-id;\n\tbh=l8ZGjWbYmvnSS7QLM/lyBxDRelwbJUTCtEZ9eP4RxhY=;\n\tb=ICLxG8uj9Vj4GjVfU6wYZwMk6GmJc2XLgb6JpMbAb7HO9ROY3HUGR8fxyCAJOGGk03\n\t264MpjqfIK2Vdpa+XSkrcQuOYH4gly7ntO1fshXyJ8XeW8yjXOhfrOzXXSO4tW1F7DGS\n\tn4jTUzUCLckfpk0IW0zhjkG8Pc/9GpYhKNEio4ItYop8tOQWo6ms3XJrQEbvq1KB0SMS\n\tm57DV9sqJv9m5Q9J6FdyKLMq4Hj+0fLcQVFhYtjkL1ch9O+z/D7eVAYJyr/fACD+s3vi\n\tSEOZVbZapUVH6X0Bq8AY2X4EjJBNSOGue3kjxn/TVQ+Gy5UIlFxtbrk9WCELMy3AKWb3\n\tzmDQ==", "X-Gm-Message-State": "AG10YOTVJsoqmAo+E8dcGMrRY6FXMdjjdzCzBpSPob3y6jne16pKt3xt/QUmpUiK+8czOw==", "X-Received": "by 10.37.5.86 with SMTP id 83mr543336ybf.34.1455662686407;\n\tTue, 16 Feb 2016 14:44:46 -0800 (PST)", "From": "Brian Walsh <brian@walsh.ws>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Tue, 16 Feb 2016 17:44:45 -0500", "Message-Id": "<1455662685-7231-1-git-send-email-brian@walsh.ws>", "X-Mailer": "git-send-email 2.1.4", "Subject": "[Intel-wired-lan] [PATCH 1/1] e1000e: Fix ptp time reset on network\n\tinterruption", "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": "Time is resetting on any interruption of network connectivity. This\ncauses the clock to jump around by the leapsecond offset. It should\nonly reset when the device is initialized.\n\nSigned-off-by: Brian Walsh <brian@walsh.ws>\n---\n drivers/net/ethernet/intel/e1000e/netdev.c | 22 +++++++++++-----------\n 1 file changed, 11 insertions(+), 11 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c\nindex c71ba1b..4ed23f1 100644\n--- a/drivers/net/ethernet/intel/e1000e/netdev.c\n+++ b/drivers/net/ethernet/intel/e1000e/netdev.c\n@@ -3580,7 +3580,6 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,\n \tbool is_l4 = false;\n \tbool is_l2 = false;\n \tu32 regval;\n-\ts32 ret_val;\n \n \tif (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))\n \t\treturn -EINVAL;\n@@ -3719,16 +3718,6 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,\n \ter32(RXSTMPH);\n \ter32(TXSTMPH);\n \n-\t/* Get and set the System Time Register SYSTIM base frequency */\n-\tret_val = e1000e_get_base_timinca(adapter, ®val);\n-\tif (ret_val)\n-\t\treturn ret_val;\n-\tew32(TIMINCA, regval);\n-\n-\t/* reset the ns time counter */\n-\ttimecounter_init(&adapter->tc, &adapter->cc,\n-\t\t\t ktime_to_ns(ktime_get_real()));\n-\n \treturn 0;\n }\n \n@@ -6966,6 +6955,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)\n \tu16 eeprom_data = 0;\n \tu16 eeprom_apme_mask = E1000_EEPROM_APME;\n \ts32 rval = 0;\n+\tu32 regval;\n \n \tif (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)\n \t\taspm_disable_flag = PCIE_LINK_STATE_L0S;\n@@ -7256,6 +7246,16 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)\n \t/* carrier off reporting is important to ethtool even BEFORE open */\n \tnetif_carrier_off(netdev);\n \n+\t/* Get and set the System Time Register SYSTIM base frequency */\n+\tret_val = e1000e_get_base_timinca(adapter, ®val);\n+\tif (rval)\n+\t\tgoto err_register;\n+\tew32(TIMINCA, regval);\n+\n+\t/* reset the ns time counter */\n+\ttimecounter_init(&adapter->tc, &adapter->cc,\n+\t\t\t ktime_to_ns(ktime_get_real()));\n+\n \t/* init PTP hardware clock */\n \te1000e_ptp_init(adapter);\n \n", "prefixes": [ "1/1" ] }