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GET /api/patches/8001/?format=api
{ "id": 8001, "url": "http://patches.dpdk.org/api/patches/8001/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1445831265-14256-4-git-send-email-shaopeng.he@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": "<1445831265-14256-4-git-send-email-shaopeng.he@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1445831265-14256-4-git-send-email-shaopeng.he@intel.com", "date": "2015-10-26T03:47:41", "name": "[dpdk-dev,v2,3/7] fm10k: remove rx queue interrupts when dev stops", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "936134ccf3a75536432495086e0c8285cdb3298e", "submitter": { "id": 226, "url": "http://patches.dpdk.org/api/people/226/?format=api", "name": "He, Shaopeng", "email": "shaopeng.he@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1445831265-14256-4-git-send-email-shaopeng.he@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/8001/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/8001/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 9C0CF8D8A;\n\tMon, 26 Oct 2015 04:48:17 +0100 (CET)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id D006E568D\n\tfor <dev@dpdk.org>; Mon, 26 Oct 2015 04:48:16 +0100 (CET)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby fmsmga102.fm.intel.com with ESMTP; 25 Oct 2015 20:48:02 -0700", "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby orsmga002.jf.intel.com with ESMTP; 25 Oct 2015 20:48:01 -0700", "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id t9Q3lx2c007812;\n\tMon, 26 Oct 2015 11:47:59 +0800", "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid t9Q3luiq014311; Mon, 26 Oct 2015 11:47:58 +0800", "(from heshaope@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9Q3lujh014307; \n\tMon, 26 Oct 2015 11:47:56 +0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.20,199,1444719600\"; d=\"scan'208\";a=\"834886362\"", "From": "Shaopeng He <shaopeng.he@intel.com>", "To": "dev@dpdk.org", "Date": "Mon, 26 Oct 2015 11:47:41 +0800", "Message-Id": "<1445831265-14256-4-git-send-email-shaopeng.he@intel.com>", "X-Mailer": "git-send-email 1.7.4.1", "In-Reply-To": "<1445831265-14256-1-git-send-email-shaopeng.he@intel.com>", "References": "<1443159425-32502-1-git-send-email-shaopeng.he@intel.com>\n\t<1445831265-14256-1-git-send-email-shaopeng.he@intel.com>", "Subject": "[dpdk-dev] [PATCH v2 3/7] fm10k: remove rx queue interrupts when\n\tdev stops", "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": "Previous dev_stop function stops the rx/tx queues. This patch adds logic\nto disable rx queue interrupt, clean the datapath event and queue/vec map.\n\nSigned-off-by: Shaopeng He <shaopeng.he@intel.com>\n---\n drivers/net/fm10k/fm10k_ethdev.c | 22 ++++++++++++++++++++++\n 1 file changed, 22 insertions(+)", "diff": "diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c\nindex 68ae1ba..45571f2 100644\n--- a/drivers/net/fm10k/fm10k_ethdev.c\n+++ b/drivers/net/fm10k/fm10k_ethdev.c\n@@ -825,6 +825,8 @@ fm10k_dev_start(struct rte_eth_dev *dev)\n static void\n fm10k_dev_stop(struct rte_eth_dev *dev)\n {\n+\tstruct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\tstruct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;\n \tint i;\n \n \tPMD_INIT_FUNC_TRACE();\n@@ -836,6 +838,26 @@ fm10k_dev_stop(struct rte_eth_dev *dev)\n \tif (dev->data->rx_queues)\n \t\tfor (i = 0; i < dev->data->nb_rx_queues; i++)\n \t\t\tfm10k_dev_rx_queue_stop(dev, i);\n+\n+\t/* Disable datapath event */\n+\tif (rte_intr_dp_is_en(intr_handle)) {\n+\t\tfor (i = 0; i < dev->data->nb_rx_queues; i++) {\n+\t\t\tFM10K_WRITE_REG(hw, FM10K_RXINT(i),\n+\t\t\t\t3 << FM10K_RXINT_TIMER_SHIFT);\n+\t\t\tif (hw->mac.type == fm10k_mac_pf)\n+\t\t\t\tFM10K_WRITE_REG(hw, FM10K_ITR(Q2V(dev, i)),\n+\t\t\t\t\tFM10K_ITR_MASK_SET);\n+\t\t\telse\n+\t\t\t\tFM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(dev, i)),\n+\t\t\t\t\tFM10K_ITR_MASK_SET);\n+\t\t}\n+\t}\n+\t/* Clean datapath event and queue/vec mapping */\n+\trte_intr_efd_disable(intr_handle);\n+\tif (intr_handle->intr_vec != NULL) {\n+\t\trte_free(intr_handle->intr_vec);\n+\t\tintr_handle->intr_vec = NULL;\n+\t}\n }\n \n static void\n", "prefixes": [ "dpdk-dev", "v2", "3/7" ] }