From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 673D0A0C41; Thu, 16 Sep 2021 13:56:21 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 51A1740151; Thu, 16 Sep 2021 13:56:21 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id A906E4003F for ; Thu, 16 Sep 2021 13:56:19 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10108"; a="219358711" X-IronPort-AV: E=Sophos;i="5.85,298,1624345200"; d="scan'208";a="219358711" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2021 04:56:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,298,1624345200"; d="scan'208";a="545544147" Received: from txandevlnx322.an.intel.com ([10.123.117.44]) by FMSMGA003.fm.intel.com with ESMTP; 16 Sep 2021 04:56:09 -0700 From: Ganapati Kundapura To: jay.jayatheerthan@intel.com, jerinjacobk@gmail.com Cc: dev@dpdk.org, ferruh.yigit@intel.com Date: Thu, 16 Sep 2021 06:56:01 -0500 Message-Id: <20210916115602.1984049-1-ganapati.kundapura@intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210912155858.1397453-1-ganapati.kundapura@intel.com> References: <20210912155858.1397453-1-ganapati.kundapura@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v5 1/2] eventdev: add rx queue conf get api X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Added rte_event_eth_rx_adapter_queue_conf_get() API to get rx queue information - event queue identifier, flags for handling received packets, scheduler type, event priority, polling frequency of the receive queue and flow identifier in rte_event_eth_rx_adapter_queue_conf structure Signed-off-by: Ganapati Kundapura --- v5: * Filled queue_conf after memzone lookup * PMD callback if not NULL, invoked to override queue_conf struct * Added memzone lookup for stats_get(), stats_reset(), service_id_get() api's called by secondary applications. v4: * squashed 1/3 and 3/3 * reused rte_event_eth_rx_adapter_queue_conf structure in place of rte_event_eth_rx_adapter_queue_info * renamed to rte_event_eth_rx_adapter_queue_info_get() to rte_event_eth_rx_adapter_queue_conf_get to align with rte_event_eth_rx_adapter_queue_conf structure v3: * Split single patch into implementaion, test and document updation patches separately v2: * Fixed build issue due to missing entry in version.map v1: * Initial patch with implementaion, test and doc together --- --- .../prog_guide/event_ethernet_rx_adapter.rst | 8 ++ lib/eventdev/eventdev_pmd.h | 29 +++++++ lib/eventdev/rte_event_eth_rx_adapter.c | 91 +++++++++++++++++++++- lib/eventdev/rte_event_eth_rx_adapter.h | 27 +++++++ lib/eventdev/version.map | 1 + 5 files changed, 155 insertions(+), 1 deletion(-) diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst index 0780b6f..ce23d8a 100644 --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst @@ -146,6 +146,14 @@ if the callback is supported, and the counts maintained by the service function, if one exists. The service function also maintains a count of cycles for which it was not able to enqueue to the event device. +Getting Adapter queue config +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``rte_event_eth_rx_adapter_queue_conf_get()`` function reports +flags for handling received packets, event queue identifier, scheduler type, +event priority, polling frequency of the receive queue and flow identifier +in struct ``rte_event_eth_rx_adapter_queue_conf``. + Interrupt Based Rx Queues ~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h index 63b3bc4..5c26a6c 100644 --- a/lib/eventdev/eventdev_pmd.h +++ b/lib/eventdev/eventdev_pmd.h @@ -562,6 +562,33 @@ typedef int (*eventdev_eth_rx_adapter_queue_del_t) int32_t rx_queue_id); /** + * Retrieve information about Rx queue. This callback is invoked if + * the caps returned from the eventdev_eth_rx_adapter_caps_get(, eth_port_id) + * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set. + * + * @param dev + * Event device pointer + * + * @param eth_dev + * Ethernet device pointer + * + * @param rx_queue_id + * Ethernet device receive queue index. + * + * @param[out] queue_conf + * Pointer to rte_event_eth_rx_adapter_queue_conf structure + * + * @return + * - 0: Success + * - <0: Error code on failure. + */ +typedef int (*eventdev_eth_rx_adapter_queue_conf_get_t) + (const struct rte_eventdev *dev, + const struct rte_eth_dev *eth_dev, + uint16_t rx_queue_id, + struct rte_event_eth_rx_adapter_queue_conf *queue_conf); + +/** * Start ethernet Rx adapter. This callback is invoked if * the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id) * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues @@ -1081,6 +1108,8 @@ struct rte_eventdev_ops { /**< Add Rx queues to ethernet Rx adapter */ eventdev_eth_rx_adapter_queue_del_t eth_rx_adapter_queue_del; /**< Delete Rx queues from ethernet Rx adapter */ + eventdev_eth_rx_adapter_queue_conf_get_t eth_rx_adapter_queue_conf_get; + /**< Get Rx adapter queue info */ eventdev_eth_rx_adapter_start_t eth_rx_adapter_start; /**< Start ethernet Rx adapter */ eventdev_eth_rx_adapter_stop_t eth_rx_adapter_stop; diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c b/lib/eventdev/rte_event_eth_rx_adapter.c index f2dc695..6cc4210 100644 --- a/lib/eventdev/rte_event_eth_rx_adapter.c +++ b/lib/eventdev/rte_event_eth_rx_adapter.c @@ -40,6 +40,8 @@ /* Sentinel value to detect initialized file handle */ #define INIT_FD -1 +#define RXA_ADAPTER_ARRAY "rte_event_eth_rx_adapter_array" + /* * Used to store port and queue ID of interrupting Rx queue */ @@ -1347,7 +1349,7 @@ rxa_service_func(void *args) static int rte_event_eth_rx_adapter_init(void) { - const char *name = "rte_event_eth_rx_adapter_array"; + const char *name = RXA_ADAPTER_ARRAY; const struct rte_memzone *mz; unsigned int sz; @@ -1370,6 +1372,21 @@ rte_event_eth_rx_adapter_init(void) return 0; } +static int +rxa_memzone_lookup(void) +{ + const struct rte_memzone *mz; + + if (event_eth_rx_adapter == NULL) { + mz = rte_memzone_lookup(RXA_ADAPTER_ARRAY); + if (mz == NULL) + return -ENOMEM; + event_eth_rx_adapter = mz->addr; + } + + return 0; +} + static inline struct rte_event_eth_rx_adapter * rxa_id_to_adapter(uint8_t id) { @@ -2631,6 +2648,9 @@ rte_event_eth_rx_adapter_stats_get(uint8_t id, uint32_t i; int ret; + if (rxa_memzone_lookup()) + return -ENOMEM; + RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); rx_adapter = rxa_id_to_adapter(id); @@ -2669,6 +2689,9 @@ rte_event_eth_rx_adapter_stats_reset(uint8_t id) struct eth_device_info *dev_info; uint32_t i; + if (rxa_memzone_lookup()) + return -ENOMEM; + RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); rx_adapter = rxa_id_to_adapter(id); @@ -2694,6 +2717,9 @@ rte_event_eth_rx_adapter_service_id_get(uint8_t id, uint32_t *service_id) { struct rte_event_eth_rx_adapter *rx_adapter; + if (rxa_memzone_lookup()) + return -ENOMEM; + RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); rx_adapter = rxa_id_to_adapter(id); @@ -2750,3 +2776,66 @@ rte_event_eth_rx_adapter_cb_register(uint8_t id, return 0; } + +int +rte_event_eth_rx_adapter_queue_conf_get(uint8_t id, + uint16_t eth_dev_id, + uint16_t rx_queue_id, + struct rte_event_eth_rx_adapter_queue_conf *queue_conf) +{ + struct rte_eventdev *dev; + struct rte_event_eth_rx_adapter *rx_adapter; + struct eth_device_info *dev_info; + struct eth_rx_queue_info *queue_info; + struct rte_event *qi_ev; + int ret; + + if (rxa_memzone_lookup()) + return -ENOMEM; + + RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -EINVAL); + RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL); + + if (rx_queue_id >= rte_eth_devices[eth_dev_id].data->nb_rx_queues) { + RTE_EDEV_LOG_ERR("Invalid rx queue_id %u", rx_queue_id); + return -EINVAL; + } + + if (queue_conf == NULL) { + RTE_EDEV_LOG_ERR("Rx queue conf struct cannot be NULL"); + return -EINVAL; + } + + rx_adapter = rxa_id_to_adapter(id); + if (rx_adapter == NULL) + return -EINVAL; + + dev_info = &rx_adapter->eth_devices[eth_dev_id]; + queue_info = &dev_info->rx_queue[rx_queue_id]; + if (!queue_info->queue_enabled) { + RTE_EDEV_LOG_ERR("Rx queue %u not added", rx_queue_id); + return -EINVAL; + } + + qi_ev = (struct rte_event *)&queue_info->event; + + memset(queue_conf, 0, sizeof(*queue_conf)); + queue_conf->rx_queue_flags = 0; + if (queue_info->flow_id_mask != 0) + queue_conf->rx_queue_flags |= + RTE_EVENT_ETH_RX_ADAPTER_QUEUE_FLOW_ID_VALID; + queue_conf->servicing_weight = queue_info->wt; + + memcpy(&queue_conf->ev, qi_ev, sizeof(*qi_ev)); + + dev = &rte_eventdevs[rx_adapter->eventdev_id]; + if (dev->dev_ops->eth_rx_adapter_queue_conf_get != NULL) { + ret = (*dev->dev_ops->eth_rx_adapter_queue_conf_get)(dev, + &rte_eth_devices[eth_dev_id], + rx_queue_id, + queue_conf); + return ret; + } + + return 0; +} diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h b/lib/eventdev/rte_event_eth_rx_adapter.h index 3f8b362..470543e 100644 --- a/lib/eventdev/rte_event_eth_rx_adapter.h +++ b/lib/eventdev/rte_event_eth_rx_adapter.h @@ -33,6 +33,7 @@ * - rte_event_eth_rx_adapter_stop() * - rte_event_eth_rx_adapter_stats_get() * - rte_event_eth_rx_adapter_stats_reset() + * - rte_event_eth_rx_adapter_queue_conf_get() * * The application creates an ethernet to event adapter using * rte_event_eth_rx_adapter_create_ext() or rte_event_eth_rx_adapter_create() @@ -545,6 +546,32 @@ int rte_event_eth_rx_adapter_vector_limits_get( uint8_t dev_id, uint16_t eth_port_id, struct rte_event_eth_rx_adapter_vector_limits *limits); +/** + * Retrieve Rx queue config information. + * + * @param id + * Adapter identifier. + + * @param eth_dev_id + * Port identifier of Ethernet device. + + * @param rx_queue_id + * Ethernet device receive queue index. + + * @param[out] queue_conf + * Pointer to struct rte_event_eth_rx_adapter_queue_conf + + * @return + * - 0: Success, Receive queue added correctly. + * - <0: Error code on failure. + */ +__rte_experimental +int rte_event_eth_rx_adapter_queue_conf_get(uint8_t id, + uint16_t eth_dev_id, + uint16_t rx_queue_id, + struct rte_event_eth_rx_adapter_queue_conf *queue_conf); + + #ifdef __cplusplus } #endif diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map index cd86d2d..9f28016 100644 --- a/lib/eventdev/version.map +++ b/lib/eventdev/version.map @@ -143,6 +143,7 @@ EXPERIMENTAL { rte_event_vector_pool_create; rte_event_eth_rx_adapter_vector_limits_get; __rte_eventdev_trace_crypto_adapter_enqueue; + rte_event_eth_rx_adapter_queue_conf_get; }; INTERNAL { -- 2.6.4