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GET /api/patches/44665/?format=api
{ "id": 44665, "url": "https://patches.dpdk.org/api/patches/44665/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1536838528-11800-9-git-send-email-igor.russkikh@aquantia.com/", "project": { "id": 1, "url": "https://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": "<1536838528-11800-9-git-send-email-igor.russkikh@aquantia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1536838528-11800-9-git-send-email-igor.russkikh@aquantia.com", "date": "2018-09-13T11:35:16", "name": "[v2,09/21] net/atlantic: link status and interrupt management", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": true, "hash": "130489274ab70c11e2c0414799eb40aeaa0e0f18", "submitter": { "id": 1124, "url": "https://patches.dpdk.org/api/people/1124/?format=api", "name": "Igor Russkikh", "email": "igor.russkikh@aquantia.com" }, "delegate": { "id": 319, "url": "https://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1536838528-11800-9-git-send-email-igor.russkikh@aquantia.com/mbox/", "series": [ { "id": 1307, "url": "https://patches.dpdk.org/api/series/1307/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=1307", "date": "2018-09-13T11:35:08", "name": "[v2,01/21] net/atlantic: atlantic PMD driver skeleton", "version": 2, "mbox": "https://patches.dpdk.org/series/1307/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/44665/comments/", "check": "fail", "checks": "https://patches.dpdk.org/api/patches/44665/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 089847EE3;\n\tThu, 13 Sep 2018 13:36:08 +0200 (CEST)", "from NAM01-SN1-obe.outbound.protection.outlook.com\n\t(mail-sn1nam01on0057.outbound.protection.outlook.com [104.47.32.57])\n\tby dpdk.org (Postfix) with ESMTP id C35A35F2A\n\tfor <dev@dpdk.org>; Thu, 13 Sep 2018 13:35:59 +0200 (CEST)", "from ubuntubox.rdc.aquantia.com (95.79.108.179) by\n\tBLUPR0701MB1650.namprd07.prod.outlook.com (2a01:111:e400:58c6::20)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1143.15;\n\tThu, 13 Sep 2018 11:35:57 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=AQUANTIA1COM.onmicrosoft.com; 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"fK2+2teBnTsGDL7uxj90B59A8GzKtRBGh4Js2RBbNwyVjdotLtI0UzbRCOW5SXTJ5VS7i/EpArTIYgIHyUddqZU8L8Twg+XU43smIuBwFptlfn+NoUsF3wpZTdhS6lXAhlH8jYa3S0EwTd3spw1rfD9MCujbE0LS/bCTj4wxF/cfzzCS/4Il9y6f2cODgiqR/QvEfX2vA7qBwbqg768qq1tl/YUSaajCVI8WjemhfOv29XR0lxIXT05FauQKMFFEVytfeUPmtX7XdHW6wj3Bp7n8hV54OdU3JIUGXU5JyNAp0/zfNxzESVwPaVQVRROLFEMISwMZ1nlC0V5MjyARzpj9EkPgEkHutV1/6ptOqDI=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "aquantia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 Sep 2018 11:35:57.3471\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "07cbcd63-75c6-4135-a724-08d6196d131e", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "83e2e134-991c-4ede-8ced-34d47e38e6b1", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BLUPR0701MB1650", "Subject": "[dpdk-dev] [PATCH v2 09/21] net/atlantic: link status and interrupt\n\tmanagement", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Pavel Belous <pavel.belous@aquantia.com>\n\nImplement link interrupt, link info, link polling\n\nSigned-off-by: Igor Russkikh <igor.russkikh@aquantia.com>\n---\n drivers/net/atlantic/atl_ethdev.c | 258 ++++++++++++++++++++++++++++++++++++++\n drivers/net/atlantic/atl_ethdev.h | 10 ++\n 2 files changed, 268 insertions(+)", "diff": "diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c\nindex 5de295f6f..71f4e8e0a 100644\n--- a/drivers/net/atlantic/atl_ethdev.c\n+++ b/drivers/net/atlantic/atl_ethdev.c\n@@ -49,8 +49,11 @@ static int eth_atl_dev_uninit(struct rte_eth_dev *eth_dev);\n static int atl_dev_configure(struct rte_eth_dev *dev);\n static int atl_dev_start(struct rte_eth_dev *dev);\n static void atl_dev_stop(struct rte_eth_dev *dev);\n+static int atl_dev_set_link_up(struct rte_eth_dev *dev);\n+static int atl_dev_set_link_down(struct rte_eth_dev *dev);\n static void atl_dev_close(struct rte_eth_dev *dev);\n static int atl_dev_reset(struct rte_eth_dev *dev);\n+static int atl_dev_link_update(struct rte_eth_dev *dev, int wait);\n \n static int atl_dev_queue_stats_mapping_set(struct rte_eth_dev *eth_dev,\n \t\t\t\t\t uint16_t queue_id,\n@@ -63,6 +66,15 @@ static void atl_dev_info_get(struct rte_eth_dev *dev,\n \n static const uint32_t *atl_dev_supported_ptypes_get(struct rte_eth_dev *dev);\n \n+/* Interrupts */\n+static int atl_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);\n+static int atl_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);\n+static int atl_dev_interrupt_get_status(struct rte_eth_dev *dev);\n+static int atl_dev_interrupt_action(struct rte_eth_dev *dev,\n+\t\t\t\t struct rte_intr_handle *handle);\n+static void atl_dev_interrupt_handler(void *param);\n+\n+\n static int eth_atl_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,\n \tstruct rte_pci_device *pci_dev);\n static int eth_atl_pci_remove(struct rte_pci_device *pci_dev);\n@@ -125,10 +137,66 @@ static const struct eth_dev_ops atl_eth_dev_ops = {\n \t.dev_configure\t = atl_dev_configure,\n \t.dev_start\t = atl_dev_start,\n \t.dev_stop\t = atl_dev_stop,\n+\t.dev_set_link_up = atl_dev_set_link_up,\n+\t.dev_set_link_down = atl_dev_set_link_down,\n \t.dev_close\t = atl_dev_close,\n \t.dev_reset\t = atl_dev_reset,\n+\t/* Link */\n+\t.link_update\t = atl_dev_link_update,\n };\n \n+/**\n+ * Atomically reads the link status information from global\n+ * structure rte_eth_dev.\n+ *\n+ * @param dev\n+ * - Pointer to the structure rte_eth_dev to read from.\n+ * - Pointer to the buffer to be saved with the link status.\n+ *\n+ * @return\n+ * - On success, zero.\n+ * - On failure, negative value.\n+ */\n+static inline int\n+rte_atl_dev_atomic_read_link_status(struct rte_eth_dev *dev,\n+\t\t\t\tstruct rte_eth_link *link)\n+{\n+\tstruct rte_eth_link *dst = link;\n+\tstruct rte_eth_link *src = &dev->data->dev_link;\n+\n+\tif (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,\n+\t\t\t\t\t*(uint64_t *)src) == 0)\n+\t\treturn -1;\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * Atomically writes the link status information into global\n+ * structure rte_eth_dev.\n+ *\n+ * @param dev\n+ * - Pointer to the structure rte_eth_dev to read from.\n+ * - Pointer to the buffer to be saved with the link status.\n+ *\n+ * @return\n+ * - On success, zero.\n+ * - On failure, negative value.\n+ */\n+static inline int\n+rte_atl_dev_atomic_write_link_status(struct rte_eth_dev *dev,\n+\t\t\t\tstruct rte_eth_link *link)\n+{\n+\tstruct rte_eth_link *dst = &dev->data->dev_link;\n+\tstruct rte_eth_link *src = link;\n+\n+\tif (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,\n+\t\t\t\t\t*(uint64_t *)src) == 0)\n+\t\treturn -1;\n+\n+\treturn 0;\n+}\n+\n static inline int32_t\n atl_reset_hw(struct aq_hw_s *hw)\n {\n@@ -385,6 +453,37 @@ atl_dev_start(struct rte_eth_dev *dev)\n \t\t}\n \t}\n \n+\n+\terr = hw->aq_fw_ops->update_link_status(hw);\n+\n+\tif (err)\n+\t\tgoto error;\n+\n+\tdev->data->dev_link.link_status = hw->aq_link_status.mbps != 0;\n+\n+\tlink_speeds = &dev->data->dev_conf.link_speeds;\n+\n+\tspeed = 0x0;\n+\n+\tif (*link_speeds == ETH_LINK_SPEED_AUTONEG) {\n+\t\tspeed = hw->aq_nic_cfg->link_speed_msk;\n+\t} else {\n+\t\tif (*link_speeds & ETH_LINK_SPEED_10G)\n+\t\t\tspeed |= AQ_NIC_RATE_10G;\n+\t\tif (*link_speeds & ETH_LINK_SPEED_5G)\n+\t\t\tspeed |= AQ_NIC_RATE_5G;\n+\t\tif (*link_speeds & ETH_LINK_SPEED_1G)\n+\t\t\tspeed |= AQ_NIC_RATE_1G;\n+\t\tif (*link_speeds & ETH_LINK_SPEED_2_5G)\n+\t\t\tspeed |= AQ_NIC_RATE_2G5;\n+\t\tif (*link_speeds & ETH_LINK_SPEED_100M)\n+\t\t\tspeed |= AQ_NIC_RATE_100M;\n+\t}\n+\n+\terr = hw->aq_fw_ops->set_link_speed(hw, speed);\n+\tif (err)\n+\t\tgoto error;\n+\n \tif (rte_intr_allow_others(intr_handle)) {\n \t\t/* check if lsc interrupt is enabled */\n \t\tif (dev->data->dev_conf.intr_conf.lsc != 0)\n@@ -462,6 +561,29 @@ atl_dev_stop(struct rte_eth_dev *dev)\n }\n \n /*\n+ * Set device link up: enable tx.\n+ */\n+static int\n+atl_dev_set_link_up(struct rte_eth_dev *dev)\n+{\n+\tstruct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\n+\treturn hw->aq_fw_ops->set_link_speed(hw,\n+\t\t\thw->aq_nic_cfg->link_speed_msk);\n+}\n+\n+/*\n+ * Set device link down: disable tx.\n+ */\n+static int\n+atl_dev_set_link_down(struct rte_eth_dev *dev)\n+{\n+\tstruct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\n+\treturn hw->aq_fw_ops->set_link_speed(hw, 0);\n+}\n+\n+/*\n * Reset and stop device.\n */\n static void\n@@ -492,6 +614,142 @@ atl_dev_reset(struct rte_eth_dev *dev)\n }\n \n \n+/* return 0 means link status changed, -1 means not changed */\n+static int\n+atl_dev_link_update(struct rte_eth_dev *dev, int wait __rte_unused)\n+{\n+\tstruct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\tstruct atl_interrupt *intr =\n+\t\tATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);\n+\tstruct rte_eth_link link, old;\n+\tint err = 0;\n+\n+\tlink.link_status = ETH_LINK_DOWN;\n+\tlink.link_speed = 0;\n+\tlink.link_duplex = ETH_LINK_FULL_DUPLEX;\n+\tlink.link_autoneg = hw->is_autoneg ? ETH_LINK_AUTONEG : ETH_LINK_FIXED;\n+\tmemset(&old, 0, sizeof(old));\n+\n+\t/* load old link status */\n+\trte_atl_dev_atomic_read_link_status(dev, &old);\n+\n+\t/* read current link status */\n+\terr = hw->aq_fw_ops->update_link_status(hw);\n+\n+\tif (err)\n+\t\treturn 0;\n+\n+\tif (hw->aq_link_status.mbps == 0) {\n+\t\t/* write default (down) link status */\n+\t\trte_atl_dev_atomic_write_link_status(dev, &link);\n+\t\tif (link.link_status == old.link_status)\n+\t\t\treturn -1;\n+\t\treturn 0;\n+\t}\n+\n+\tintr->flags &= ~ATL_FLAG_NEED_LINK_CONFIG;\n+\n+\tlink.link_status = ETH_LINK_UP;\n+\tlink.link_duplex = ETH_LINK_FULL_DUPLEX;\n+\tlink.link_speed = hw->aq_link_status.mbps;\n+\n+\trte_atl_dev_atomic_write_link_status(dev, &link);\n+\n+\tif (link.link_status == old.link_status)\n+\t\treturn -1;\n+\n+\treturn 0;\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+ * @param on\n+ * Enable or Disable.\n+ *\n+ * @return\n+ * - On success, zero.\n+ * - On failure, a negative value.\n+ */\n+\n+static int\n+atl_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on __rte_unused)\n+{\n+\tatl_dev_link_status_print(dev);\n+\treturn 0;\n+}\n+\n+static int\n+atl_dev_rxq_interrupt_setup(struct rte_eth_dev *dev __rte_unused)\n+{\n+\treturn 0;\n+}\n+\n+\n+static int\n+atl_dev_interrupt_get_status(struct rte_eth_dev *dev)\n+{\n+\tstruct atl_interrupt *intr =\n+\t\tATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);\n+\tstruct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);\n+\tu64 cause = 0;\n+\n+\thw_atl_b0_hw_irq_read(hw, &cause);\n+\n+\tatl_disable_intr(hw);\n+\tintr->flags = cause & BIT(ATL_IRQ_CAUSE_LINK) ?\n+\t\t\tATL_FLAG_NEED_LINK_UPDATE : 0;\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * It gets and then prints the link status.\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 void\n+atl_dev_link_status_print(struct rte_eth_dev *dev)\n+{\n+\tstruct rte_eth_link link;\n+\n+\tmemset(&link, 0, sizeof(link));\n+\trte_atl_dev_atomic_read_link_status(dev, &link);\n+\tif (link.link_status) {\n+\t\tPMD_DRV_LOG(INFO, \"Port %d: Link Up - speed %u Mbps - %s\",\n+\t\t\t\t\t(int)(dev->data->port_id),\n+\t\t\t\t\t(unsigned int)link.link_speed,\n+\t\t\tlink.link_duplex == ETH_LINK_FULL_DUPLEX ?\n+\t\t\t\t\t\"full-duplex\" : \"half-duplex\");\n+\t} else {\n+\t\tPMD_DRV_LOG(INFO, \" Port %d: Link Down\",\n+\t\t\t\t(int)(dev->data->port_id));\n+\t}\n+\n+\n+#ifdef DEBUG\n+{\n+\tstruct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);\n+\n+\tPMD_DRV_LOG(DEBUG, \"PCI Address: \" PCI_PRI_FMT,\n+\t\t\t\tpci_dev->addr.domain,\n+\t\t\t\tpci_dev->addr.bus,\n+\t\t\t\tpci_dev->addr.devid,\n+\t\t\t\tpci_dev->addr.function);\n+}\n+#endif\n+\n+\tPMD_DRV_LOG(INFO, \"Link speed:%d\", link.link_speed);\n+}\n+\n /*\n * It executes link_update after knowing an interrupt occurred.\n *\ndiff --git a/drivers/net/atlantic/atl_ethdev.h b/drivers/net/atlantic/atl_ethdev.h\nindex 0018fa898..5b9fc63c6 100644\n--- a/drivers/net/atlantic/atl_ethdev.h\n+++ b/drivers/net/atlantic/atl_ethdev.h\n@@ -22,9 +22,19 @@\n struct atl_adapter {\n \tstruct aq_hw_s hw;\n \tstruct aq_hw_cfg_s hw_cfg;\n+\tstruct atl_interrupt intr;\n };\n \n #define ATL_DEV_TO_ADAPTER(dev) \\\n \t((struct atl_adapter *)(dev)->data->dev_private)\n \n+#define ATL_DEV_PRIVATE_TO_HW(adapter) \\\n+\t(&((struct atl_adapter *)adapter)->hw)\n+\n+#define ATL_DEV_PRIVATE_TO_INTR(adapter) \\\n+\t(&((struct atl_adapter *)adapter)->intr)\n+\n+#define ATL_DEV_PRIVATE_TO_CFG(adapter) \\\n+\t(&((struct atl_adapter *)adapter)->hw_cfg)\n+\n #endif /* _ATLANTIC_ETHDEV_H_ */\n", "prefixes": [ "v2", "09/21" ] }