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In addition, this will also specify which event queue need to be connected to the event port. Signed-off-by: Anoob Joseph --- lib/librte_eventdev/rte_eventmode_helper.c | 56 ++++++++++++++++++++++ lib/librte_eventdev/rte_eventmode_helper.h | 12 +++++ .../rte_eventmode_helper_internal.h | 12 +++++ 3 files changed, 80 insertions(+) diff --git a/lib/librte_eventdev/rte_eventmode_helper.c b/lib/librte_eventdev/rte_eventmode_helper.c index e55d4aa..b3469f9 100644 --- a/lib/librte_eventdev/rte_eventmode_helper.c +++ b/lib/librte_eventdev/rte_eventmode_helper.c @@ -46,6 +46,24 @@ internal_parse_decimal(const char *str) return num; } +static struct eventdev_params * +internal_get_eventdev_params(struct eventmode_conf *em_conf, + uint8_t eventdev_id) +{ + int i; + + for (i = 0; i < em_conf->nb_eventdev; i++) { + if (em_conf->eventdev_config[i].eventdev_id == eventdev_id) + break; + } + + /* No match */ + if (i == em_conf->nb_eventdev) + return NULL; + + return &(em_conf->eventdev_config[i]); +} + /* Global functions */ void @@ -165,10 +183,12 @@ rte_eventmode_helper_initialize_eventdev(struct eventmode_conf *em_conf) struct rte_event_dev_config eventdev_conf; struct rte_event_dev_info evdev_default_conf; struct rte_event_queue_conf eventq_conf = {0}; + struct rte_eventmode_helper_event_link_info *link; struct eventdev_params *eventdev_config; int nb_eventdev = em_conf->nb_eventdev; int nb_eventqueue; uint8_t eventdev_id; + uint8_t *queue = NULL; for (i = 0; i < nb_eventdev; i++) { @@ -257,6 +277,42 @@ rte_eventmode_helper_initialize_eventdev(struct eventmode_conf *em_conf) } } + /* Make event queue - event port link */ + for (j = 0; j < em_conf->nb_link; j++) { + + /* Get link info */ + link = &(em_conf->link[j]); + + /* Get event dev ID */ + eventdev_id = link->eventdev_id; + + queue = &(link->eventq_id); + + /* Link queue to port */ + ret = rte_event_port_link(eventdev_id, link->event_portid, + queue, NULL, 1); + if (ret < 0) { + RTE_EM_HLPR_LOG_ERR("Error in event port linking"); + return ret; + } + + /* Link ATOMIC eth tx queue also to the port */ + + /* Get the corresponding eventdev config */ + eventdev_config = internal_get_eventdev_params(em_conf, + eventdev_id); + + /* Last queue would be reserved for eth tx */ + ret = rte_event_port_link(eventdev_id, + link->event_portid, + &(eventdev_config->nb_eventqueue), NULL, 1); + + if (ret < 0) { + RTE_EM_HLPR_LOG_ERR("Error in event port linking"); + return ret; + } + } + /* Start event devices */ for (i = 0; i < nb_eventdev; i++) { diff --git a/lib/librte_eventdev/rte_eventmode_helper.h b/lib/librte_eventdev/rte_eventmode_helper.h index e1e8a3b..1ade32f 100644 --- a/lib/librte_eventdev/rte_eventmode_helper.h +++ b/lib/librte_eventdev/rte_eventmode_helper.h @@ -24,6 +24,18 @@ struct rte_eventmode_helper_conf { /**< Mode specific parameters */ }; +/* Event-lcore link conf */ +struct rte_eventmode_helper_event_link_info { + uint8_t eventdev_id; + /**< Event device ID */ + uint8_t event_portid; + /**< Event port ID */ + uint8_t eventq_id; + /**< Event queue to be linked to the port */ + uint8_t lcore_id; + /**< Lcore to be polling on this port */ +}; + /* Common helper functions for command line parsing */ /** diff --git a/lib/librte_eventdev/rte_eventmode_helper_internal.h b/lib/librte_eventdev/rte_eventmode_helper_internal.h index 4cd5ac4..36e2a5f 100644 --- a/lib/librte_eventdev/rte_eventmode_helper_internal.h +++ b/lib/librte_eventdev/rte_eventmode_helper_internal.h @@ -30,6 +30,13 @@ /* Max event devices supported */ #define EVENT_MODE_MAX_EVENT_DEVS RTE_EVENT_MAX_DEVS +/* Max event queues supported per event device */ +#define EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV RTE_EVENT_MAX_QUEUES_PER_DEV + +/* Max event-lcore links */ +#define EVENT_MODE_MAX_LCORE_LINKS \ + (EVENT_MODE_MAX_EVENT_DEVS * EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV) + /* Event dev params */ struct eventdev_params { uint8_t eventdev_id; @@ -44,6 +51,11 @@ struct eventmode_conf { /**< No of event devs */ struct eventdev_params eventdev_config[EVENT_MODE_MAX_EVENT_DEVS]; /**< Per event dev conf */ + uint8_t nb_link; + /**< No of links */ + struct rte_eventmode_helper_event_link_info + link[EVENT_MODE_MAX_LCORE_LINKS]; + /**< Per link conf */ }; #endif /* _RTE_EVENTMODE_HELPER_INTERNAL_H_ */