From: Anoob Joseph Date: Thu, 27 Feb 2020 16:18:26 +0000 (+0100) Subject: examples/ipsec-secgw: support event Rx adapter X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=02afed59258d159c3fa653f91a3faa4905c68702;p=dpdk.git examples/ipsec-secgw: support event Rx adapter Add Rx adapter support. The event helper init routine will initialize the Rx adapter according to the configuration. If Rx adapter config is not present it will generate a default config. If there are enough event queues available it will map eth ports and event queues 1:1 (one eth port will be connected to one event queue). Otherwise it will map all eth ports to one event queue. Signed-off-by: Anoob Joseph Signed-off-by: Lukasz Bartosik Acked-by: Konstantin Ananyev Acked-by: Akhil Goyal --- diff --git a/examples/ipsec-secgw/event_helper.c b/examples/ipsec-secgw/event_helper.c index c90249f561..2653e86aeb 100644 --- a/examples/ipsec-secgw/event_helper.c +++ b/examples/ipsec-secgw/event_helper.c @@ -4,10 +4,58 @@ #include #include #include +#include #include +#include #include "event_helper.h" +static int +eh_get_enabled_cores(struct rte_bitmap *eth_core_mask) +{ + int i, count = 0; + + RTE_LCORE_FOREACH(i) { + /* Check if this core is enabled in core mask*/ + if (rte_bitmap_get(eth_core_mask, i)) { + /* Found enabled core */ + count++; + } + } + return count; +} + +static inline unsigned int +eh_get_next_eth_core(struct eventmode_conf *em_conf) +{ + static unsigned int prev_core = -1; + unsigned int next_core; + + /* + * Make sure we have at least one eth core running, else the following + * logic would lead to an infinite loop. + */ + if (eh_get_enabled_cores(em_conf->eth_core_mask) == 0) { + EH_LOG_ERR("No enabled eth core found"); + return RTE_MAX_LCORE; + } + + /* Only some cores are marked as eth cores, skip others */ + do { + /* Get the next core */ + next_core = rte_get_next_lcore(prev_core, 0, 1); + + /* Check if we have reached max lcores */ + if (next_core == RTE_MAX_LCORE) + return next_core; + + /* Update prev_core */ + prev_core = next_core; + } while (!(rte_bitmap_get(em_conf->eth_core_mask, next_core))); + + return next_core; +} + static inline unsigned int eh_get_next_active_core(struct eventmode_conf *em_conf, unsigned int prev_core) { @@ -163,6 +211,82 @@ eh_set_default_conf_link(struct eventmode_conf *em_conf) return 0; } +static int +eh_set_default_conf_rx_adapter(struct eventmode_conf *em_conf) +{ + struct rx_adapter_connection_info *conn; + struct eventdev_params *eventdev_config; + struct rx_adapter_conf *adapter; + bool single_ev_queue = false; + int eventdev_id; + int nb_eth_dev; + int adapter_id; + int conn_id; + int i; + + /* Create one adapter with eth queues mapped to event queue(s) */ + + if (em_conf->nb_eventdev == 0) { + EH_LOG_ERR("No event devs registered"); + return -EINVAL; + } + + /* Get the number of eth devs */ + nb_eth_dev = rte_eth_dev_count_avail(); + + /* Use the first event dev */ + eventdev_config = &(em_conf->eventdev_config[0]); + + /* Get eventdev ID */ + eventdev_id = eventdev_config->eventdev_id; + adapter_id = 0; + + /* Get adapter conf */ + adapter = &(em_conf->rx_adapter[adapter_id]); + + /* Set adapter conf */ + adapter->eventdev_id = eventdev_id; + adapter->adapter_id = adapter_id; + adapter->rx_core_id = eh_get_next_eth_core(em_conf); + + /* + * Map all queues of eth device (port) to an event queue. If there + * are more event queues than eth ports then create 1:1 mapping. + * Otherwise map all eth ports to a single event queue. + */ + if (nb_eth_dev > eventdev_config->nb_eventqueue) + single_ev_queue = true; + + for (i = 0; i < nb_eth_dev; i++) { + + /* Use only the ports enabled */ + if ((em_conf->eth_portmask & (1 << i)) == 0) + continue; + + /* Get the connection id */ + conn_id = adapter->nb_connections; + + /* Get the connection */ + conn = &(adapter->conn[conn_id]); + + /* Set mapping between eth ports & event queues*/ + conn->ethdev_id = i; + conn->eventq_id = single_ev_queue ? 0 : i; + + /* Add all eth queues eth port to event queue */ + conn->ethdev_rx_qid = -1; + + /* Update no of connections */ + adapter->nb_connections++; + + } + + /* We have setup one adapter */ + em_conf->nb_rx_adapter = 1; + + return 0; +} + static int eh_validate_conf(struct eventmode_conf *em_conf) { @@ -188,6 +312,16 @@ eh_validate_conf(struct eventmode_conf *em_conf) return ret; } + /* + * Check if rx adapters are specified. Else generate a default config + * with one rx adapter and all eth queues - event queue mapped. + */ + if (em_conf->nb_rx_adapter == 0) { + ret = eh_set_default_conf_rx_adapter(em_conf); + if (ret != 0) + return ret; + } + return 0; } @@ -341,6 +475,104 @@ eh_initialize_eventdev(struct eventmode_conf *em_conf) return 0; } +static int +eh_rx_adapter_configure(struct eventmode_conf *em_conf, + struct rx_adapter_conf *adapter) +{ + struct rte_event_eth_rx_adapter_queue_conf queue_conf = {0}; + struct rte_event_dev_info evdev_default_conf = {0}; + struct rte_event_port_conf port_conf = {0}; + struct rx_adapter_connection_info *conn; + uint8_t eventdev_id; + uint32_t service_id; + int ret; + int j; + + /* Get event dev ID */ + eventdev_id = adapter->eventdev_id; + + /* Get default configuration of event dev */ + ret = rte_event_dev_info_get(eventdev_id, &evdev_default_conf); + if (ret < 0) { + EH_LOG_ERR("Failed to get event dev info %d", ret); + return ret; + } + + /* Setup port conf */ + port_conf.new_event_threshold = 1200; + port_conf.dequeue_depth = + evdev_default_conf.max_event_port_dequeue_depth; + port_conf.enqueue_depth = + evdev_default_conf.max_event_port_enqueue_depth; + + /* Create Rx adapter */ + ret = rte_event_eth_rx_adapter_create(adapter->adapter_id, + adapter->eventdev_id, &port_conf); + if (ret < 0) { + EH_LOG_ERR("Failed to create rx adapter %d", ret); + return ret; + } + + /* Setup various connections in the adapter */ + for (j = 0; j < adapter->nb_connections; j++) { + /* Get connection */ + conn = &(adapter->conn[j]); + + /* Setup queue conf */ + queue_conf.ev.queue_id = conn->eventq_id; + queue_conf.ev.sched_type = em_conf->ext_params.sched_type; + queue_conf.ev.event_type = RTE_EVENT_TYPE_ETHDEV; + + /* Add queue to the adapter */ + ret = rte_event_eth_rx_adapter_queue_add(adapter->adapter_id, + conn->ethdev_id, conn->ethdev_rx_qid, + &queue_conf); + if (ret < 0) { + EH_LOG_ERR("Failed to add eth queue to rx adapter %d", + ret); + return ret; + } + } + + /* Get the service ID used by rx adapter */ + ret = rte_event_eth_rx_adapter_service_id_get(adapter->adapter_id, + &service_id); + if (ret != -ESRCH && ret < 0) { + EH_LOG_ERR("Failed to get service id used by rx adapter %d", + ret); + return ret; + } + + rte_service_set_runstate_mapped_check(service_id, 0); + + /* Start adapter */ + ret = rte_event_eth_rx_adapter_start(adapter->adapter_id); + if (ret < 0) { + EH_LOG_ERR("Failed to start rx adapter %d", ret); + return ret; + } + + return 0; +} + +static int +eh_initialize_rx_adapter(struct eventmode_conf *em_conf) +{ + struct rx_adapter_conf *adapter; + int i, ret; + + /* Configure rx adapters */ + for (i = 0; i < em_conf->nb_rx_adapter; i++) { + adapter = &(em_conf->rx_adapter[i]); + ret = eh_rx_adapter_configure(em_conf, adapter); + if (ret < 0) { + EH_LOG_ERR("Failed to configure rx adapter %d", ret); + return ret; + } + } + return 0; +} + int32_t eh_devs_init(struct eh_conf *conf) { @@ -364,6 +596,9 @@ eh_devs_init(struct eh_conf *conf) /* Get eventmode conf */ em_conf = conf->mode_params; + /* Eventmode conf would need eth portmask */ + em_conf->eth_portmask = conf->eth_portmask; + /* Validate the requested config */ ret = eh_validate_conf(em_conf); if (ret < 0) { @@ -388,6 +623,13 @@ eh_devs_init(struct eh_conf *conf) return ret; } + /* Setup Rx adapter */ + ret = eh_initialize_rx_adapter(em_conf); + if (ret < 0) { + EH_LOG_ERR("Failed to initialize rx adapter %d", ret); + return ret; + } + /* Start eth devices after setting up adapter */ RTE_ETH_FOREACH_DEV(port_id) { @@ -410,8 +652,8 @@ int32_t eh_devs_uninit(struct eh_conf *conf) { struct eventmode_conf *em_conf; + int ret, i, j; uint16_t id; - int ret, i; if (conf == NULL) { EH_LOG_ERR("Invalid event helper configuration"); @@ -429,6 +671,35 @@ eh_devs_uninit(struct eh_conf *conf) /* Get eventmode conf */ em_conf = conf->mode_params; + /* Stop and release rx adapters */ + for (i = 0; i < em_conf->nb_rx_adapter; i++) { + + id = em_conf->rx_adapter[i].adapter_id; + ret = rte_event_eth_rx_adapter_stop(id); + if (ret < 0) { + EH_LOG_ERR("Failed to stop rx adapter %d", ret); + return ret; + } + + for (j = 0; j < em_conf->rx_adapter[i].nb_connections; j++) { + + ret = rte_event_eth_rx_adapter_queue_del(id, + em_conf->rx_adapter[i].conn[j].ethdev_id, -1); + if (ret < 0) { + EH_LOG_ERR( + "Failed to remove rx adapter queues %d", + ret); + return ret; + } + } + + ret = rte_event_eth_rx_adapter_free(id); + if (ret < 0) { + EH_LOG_ERR("Failed to free rx adapter %d", ret); + return ret; + } + } + /* Stop and release event devices */ for (i = 0; i < em_conf->nb_eventdev; i++) { diff --git a/examples/ipsec-secgw/event_helper.h b/examples/ipsec-secgw/event_helper.h index c8afc84b08..00ce14e352 100644 --- a/examples/ipsec-secgw/event_helper.h +++ b/examples/ipsec-secgw/event_helper.h @@ -16,6 +16,12 @@ /* Max event devices supported */ #define EVENT_MODE_MAX_EVENT_DEVS RTE_EVENT_MAX_DEVS +/* Max Rx adapters supported */ +#define EVENT_MODE_MAX_RX_ADAPTERS RTE_EVENT_MAX_DEVS + +/* Max Rx adapter connections */ +#define EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER 16 + /* Max event queues supported per event device */ #define EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV RTE_EVENT_MAX_QUEUES_PER_DEV @@ -53,12 +59,33 @@ struct eh_event_link_info { /**< Lcore to be polling on this port */ }; +/* Rx adapter connection info */ +struct rx_adapter_connection_info { + uint8_t ethdev_id; + uint8_t eventq_id; + int32_t ethdev_rx_qid; +}; + +/* Rx adapter conf */ +struct rx_adapter_conf { + int32_t eventdev_id; + int32_t adapter_id; + uint32_t rx_core_id; + uint8_t nb_connections; + struct rx_adapter_connection_info + conn[EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER]; +}; + /* Eventmode conf data */ struct eventmode_conf { int nb_eventdev; /**< No of event devs */ struct eventdev_params eventdev_config[EVENT_MODE_MAX_EVENT_DEVS]; /**< Per event dev conf */ + uint8_t nb_rx_adapter; + /**< No of Rx adapters */ + struct rx_adapter_conf rx_adapter[EVENT_MODE_MAX_RX_ADAPTERS]; + /**< Rx adapter conf */ uint8_t nb_link; /**< No of links */ struct eh_event_link_info @@ -66,6 +93,8 @@ struct eventmode_conf { /**< Per link conf */ struct rte_bitmap *eth_core_mask; /**< Core mask of cores to be used for software Rx and Tx */ + uint32_t eth_portmask; + /**< Mask of the eth ports to be used */ union { RTE_STD_C11 struct {