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GET /api/patches/7521/?format=api
{ "id": 7521, "url": "http://patches.dpdk.org/api/patches/7521/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1444656823-717-2-git-send-email-harry.van.haaren@intel.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1444656823-717-2-git-send-email-harry.van.haaren@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1444656823-717-2-git-send-email-harry.van.haaren@intel.com", "date": "2015-10-12T13:33:42", "name": "[dpdk-dev,1/2] ixgbe: fix VF statistic wraparound handling macro", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "d7c8fdc61b97636b17056e56c526bb633a9fe95f", "submitter": { "id": 317, "url": "http://patches.dpdk.org/api/people/317/?format=api", "name": "Van Haaren, Harry", "email": "harry.van.haaren@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1444656823-717-2-git-send-email-harry.van.haaren@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/7521/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/7521/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id B8CE88E9A;\n\tMon, 12 Oct 2015 15:33:52 +0200 (CEST)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id 072508E8A\n\tfor <dev@dpdk.org>; Mon, 12 Oct 2015 15:33:49 +0200 (CEST)", "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga102.fm.intel.com with ESMTP; 12 Oct 2015 06:33:49 -0700", "from sie-lab-212-222.ir.intel.com (HELO\n\tsilpixa00366884.ir.intel.com) ([10.237.212.222])\n\tby fmsmga002.fm.intel.com with ESMTP; 12 Oct 2015 06:33:47 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.17,672,1437462000\"; d=\"scan'208\";a=\"824944253\"", "From": "Harry van Haaren <harry.van.haaren@intel.com>", "To": "dev@dpdk.org", "Date": "Mon, 12 Oct 2015 14:33:42 +0100", "Message-Id": "<1444656823-717-2-git-send-email-harry.van.haaren@intel.com>", "X-Mailer": "git-send-email 1.9.1", "In-Reply-To": "<1444656823-717-1-git-send-email-harry.van.haaren@intel.com>", "References": "<1444656823-717-1-git-send-email-harry.van.haaren@intel.com>", "Subject": "[dpdk-dev] [PATCH 1/2] ixgbe: fix VF statistic wraparound handling\n\tmacro", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Fix a misinterpretation of VF stats in ixgbe\n\nSigned-off-by: Harry van Haaren <harry.van.haaren@intel.com>\n---\n drivers/net/ixgbe/ixgbe_ethdev.c | 8 ++++++--\n 1 file changed, 6 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c\nindex ec2918c..d226e8d 100644\n--- a/drivers/net/ixgbe/ixgbe_ethdev.c\n+++ b/drivers/net/ixgbe/ixgbe_ethdev.c\n@@ -329,10 +329,14 @@ static int ixgbe_timesync_read_tx_timestamp(struct rte_eth_dev *dev,\n /*\n * Define VF Stats MACRO for Non \"cleared on read\" register\n */\n-#define UPDATE_VF_STAT(reg, last, cur)\t \\\n+#define UPDATE_VF_STAT(reg, last, cur) \\\n { \\\n \tuint32_t latest = IXGBE_READ_REG(hw, reg); \\\n-\tcur += latest - last; \\\n+\tif(likely(latest > last)) { \\\n+\t\tcur += latest - last; \\\n+\t} else { \\\n+\t\tcur += (UINT_MAX - last) + latest; \\\n+\t} \\\n \tlast = latest; \\\n }\n \n", "prefixes": [ "dpdk-dev", "1/2" ] }