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GET /api/patches/8237/?format=api
http://patches.dpdk.org/api/patches/8237/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1446134187-4573-2-git-send-email-yong.liu@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": "<1446134187-4573-2-git-send-email-yong.liu@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1446134187-4573-2-git-send-email-yong.liu@intel.com", "date": "2015-10-29T15:56:21", "name": "[dpdk-dev,v4,1/7] e1000: enable device rx queue interrupt", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "0a3442738221f965a3499d58ddd63be434d94069", "submitter": { "id": 17, "url": "http://patches.dpdk.org/api/people/17/?format=api", "name": "Marvin Liu", "email": "yong.liu@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1446134187-4573-2-git-send-email-yong.liu@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/8237/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/8237/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 9A4BD8E82;\n\tThu, 29 Oct 2015 16:56:41 +0100 (CET)", "from mga11.intel.com (mga11.intel.com [192.55.52.93])\n\tby dpdk.org (Postfix) with ESMTP id 33C7C8E81\n\tfor <dev@dpdk.org>; Thu, 29 Oct 2015 16:56:40 +0100 (CET)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby fmsmga102.fm.intel.com with ESMTP; 29 Oct 2015 08:56:36 -0700", "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby orsmga003.jf.intel.com with ESMTP; 29 Oct 2015 08:56:36 -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 t9TFuYnH014756;\n\tThu, 29 Oct 2015 23:56:34 +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 t9TFuUi6004622; Thu, 29 Oct 2015 23:56:32 +0800", "(from yliu84x@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9TFuUXi004618; \n\tThu, 29 Oct 2015 23:56:30 +0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.20,214,1444719600\"; d=\"scan'208\";a=\"674398159\"", "From": "Yong Liu <yong.liu@intel.com>", "To": "dev@dpdk.org", "Date": "Thu, 29 Oct 2015 23:56:21 +0800", "Message-Id": "<1446134187-4573-2-git-send-email-yong.liu@intel.com>", "X-Mailer": "git-send-email 1.7.4.1", "In-Reply-To": "<1446134187-4573-1-git-send-email-yong.liu@intel.com>", "References": "<1446134187-4573-1-git-send-email-yong.liu@intel.com>", "Subject": "[dpdk-dev] [PATCH v4 1/7] e1000: enable device rx queue interrupt", "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": "Enable rx queue interrupt support on e1000 physical and emulated device.\n\nSigned-off-by: Marvin Liu <yong.liu@intel.com>", "diff": "diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst\nindex be6f827..7655148 100644\n--- a/doc/guides/rel_notes/release_2_2.rst\n+++ b/doc/guides/rel_notes/release_2_2.rst\n@@ -23,6 +23,7 @@ New Features\n \n * **Added vhost-user multiple queue support.**\n \n+* **Support interrupt mode on e1000.**\n \n Resolved Issues\n ---------------\ndiff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c\nindex 912f5dd..3be8269 100644\n--- a/drivers/net/e1000/em_ethdev.c\n+++ b/drivers/net/e1000/em_ethdev.c\n@@ -81,6 +81,7 @@ static int eth_em_flow_ctrl_get(struct rte_eth_dev *dev,\n static int eth_em_flow_ctrl_set(struct rte_eth_dev *dev,\n \t\t\t\tstruct rte_eth_fc_conf *fc_conf);\n static int eth_em_interrupt_setup(struct rte_eth_dev *dev);\n+static int eth_em_rxq_interrupt_setup(struct rte_eth_dev *dev);\n static int eth_em_interrupt_get_status(struct rte_eth_dev *dev);\n static int eth_em_interrupt_action(struct rte_eth_dev *dev);\n static void eth_em_interrupt_handler(struct rte_intr_handle *handle,\n@@ -107,6 +108,7 @@ static void em_vlan_hw_strip_disable(struct rte_eth_dev *dev);\n static void eth_em_vlan_filter_set(struct rte_eth_dev *dev,\n \t\t\t\t\tuint16_t vlan_id, int on);\n */\n+static void em_rxq_intr_enable(struct e1000_hw *hw);\n static int eth_em_led_on(struct rte_eth_dev *dev);\n static int eth_em_led_off(struct rte_eth_dev *dev);\n \n@@ -608,6 +610,9 @@ eth_em_start(struct rte_eth_dev *dev)\n \t\t\treturn ret;\n \t\t}\n \t}\n+\t/* check if rxq interrupt is enabled */\n+\tif (dev->data->dev_conf.intr_conf.rxq != 0)\n+\t\teth_em_rxq_interrupt_setup(dev);\n \n \tadapter->stopped = 0;\n \n@@ -1277,6 +1282,42 @@ eth_em_interrupt_setup(struct rte_eth_dev *dev)\n }\n \n /*\n+ * It clears the interrupt causes and enables the interrupt.\n+ * It will be called once only during nic initialized.\n+ *\n+ * @param dev\n+ * Pointer to struct rte_eth_dev.\n+ *\n+ * @return\n+ * - On success, zero.\n+ * - On failure, a negative value.\n+ */\n+static int\n+eth_em_rxq_interrupt_setup(struct rte_eth_dev *dev)\n+{\n+\tstruct e1000_hw *hw =\n+\tE1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\n+\tE1000_READ_REG(hw, E1000_ICR);\n+\tem_rxq_intr_enable(hw);\n+\treturn 0;\n+}\n+\n+/*\n+ * It enable receive packet interrupt.\n+ * @param hw\n+ * Pointer to struct e1000_hw\n+ *\n+ * @return\n+ */\n+static void\n+em_rxq_intr_enable(struct e1000_hw *hw)\n+{\n+\tE1000_WRITE_REG(hw, E1000_IMS, E1000_IMS_RXT0);\n+\tE1000_WRITE_FLUSH(hw);\n+}\n+\n+/*\n * It reads ICR and gets interrupt causes, check it and set a bit flag\n * to update link status.\n *\n", "prefixes": [ "dpdk-dev", "v4", "1/7" ] }{ "id": 8237, "url": "