examples/eventdev: probe max events

Some eventdevs support configuring max events to be -1 (open system).
Check eventdev and event port configuration with eventdev info before
configuring them.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

diff --git a/examples/eventdev_pipeline/pipeline_worker_generic.c b/examples/eventdev_pipeline/pipeline_worker_generic.c
index 1690649..766c8e9 100644 (file)
--- a/examples/eventdev_pipeline/pipeline_worker_generic.c
+++ b/examples/eventdev_pipeline/pipeline_worker_generic.c
@@ -169,6 +169,8 @@ setup_eventdev_generic(struct worker_data *worker_data)
 
        wkr_p_conf.disable_implicit_release = disable_implicit_release;
 
+       if (dev_info.max_num_events < config.nb_events_limit)
+               config.nb_events_limit = dev_info.max_num_events;
        if (dev_info.max_event_port_dequeue_depth <
                        config.nb_event_port_dequeue_depth)
                config.nb_event_port_dequeue_depth =
@@ -227,6 +229,8 @@ setup_eventdev_generic(struct worker_data *worker_data)
        }
        cdata.tx_queue_id = i;
 
+       if (wkr_p_conf.new_event_threshold > config.nb_events_limit)
+               wkr_p_conf.new_event_threshold = config.nb_events_limit;
        if (wkr_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth)
                wkr_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth;
        if (wkr_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth)
@@ -284,6 +288,8 @@ init_adapters(uint16_t nb_ports)
                .new_event_threshold = 4096,
        };
 
+       if (adptr_p_conf.new_event_threshold > dev_info.max_num_events)
+               adptr_p_conf.new_event_threshold = dev_info.max_num_events;
        if (adptr_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth)
                adptr_p_conf.dequeue_depth =
                        dev_info.max_event_port_dequeue_depth;

diff --git a/examples/eventdev_pipeline/pipeline_worker_tx.c b/examples/eventdev_pipeline/pipeline_worker_tx.c
index 85eb075..8961cd6 100644 (file)
--- a/examples/eventdev_pipeline/pipeline_worker_tx.c
+++ b/examples/eventdev_pipeline/pipeline_worker_tx.c
@@ -465,6 +465,8 @@ setup_eventdev_worker_tx_enq(struct worker_data *worker_data)
        ret = rte_event_dev_info_get(dev_id, &dev_info);
        printf("\tEventdev %d: %s\n", dev_id, dev_info.driver_name);
 
+       if (dev_info.max_num_events < config.nb_events_limit)
+               config.nb_events_limit = dev_info.max_num_events;
        if (dev_info.max_event_port_dequeue_depth <
                        config.nb_event_port_dequeue_depth)
                config.nb_event_port_dequeue_depth =
@@ -528,6 +530,8 @@ setup_eventdev_worker_tx_enq(struct worker_data *worker_data)
        }
 
        printf("\n");
+       if (wkr_p_conf.new_event_threshold > config.nb_events_limit)
+               wkr_p_conf.new_event_threshold = config.nb_events_limit;
        if (wkr_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth)
                wkr_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth;
        if (wkr_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth)
@@ -617,6 +621,8 @@ init_adapters(uint16_t nb_ports)
                .new_event_threshold = 4096,
        };
 
+       if (adptr_p_conf.new_event_threshold > dev_info.max_num_events)
+               adptr_p_conf.new_event_threshold = dev_info.max_num_events;
        if (adptr_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth)
                adptr_p_conf.dequeue_depth =
                        dev_info.max_event_port_dequeue_depth;