examples/l2fwd-event: setup event queue and port

[dpdk.git] / examples / l2fwd-event / l2fwd_event_generic.c

diff --git a/examples/l2fwd-event/l2fwd_event_generic.c b/examples/l2fwd-event/l2fwd_event_generic.c
index 33e5705..f72d21c 100644 (file)
--- a/examples/l2fwd-event/l2fwd_event_generic.c
+++ b/examples/l2fwd-event/l2fwd_event_generic.c
@@ -89,8 +89,112 @@ l2fwd_event_device_setup_generic(struct l2fwd_resources *rsrc)
        return event_queue_cfg;
 }
 
+static void
+l2fwd_event_port_setup_generic(struct l2fwd_resources *rsrc)
+{
+       struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
+       uint8_t event_d_id = evt_rsrc->event_d_id;
+       struct rte_event_port_conf event_p_conf = {
+               .dequeue_depth = 32,
+               .enqueue_depth = 32,
+               .new_event_threshold = 4096
+       };
+       struct rte_event_port_conf def_p_conf;
+       uint8_t event_p_id;
+       int32_t ret;
+
+       evt_rsrc->evp.event_p_id = (uint8_t *)malloc(sizeof(uint8_t) *
+                                       evt_rsrc->evp.nb_ports);
+       if (!evt_rsrc->evp.event_p_id)
+               rte_panic("No space is available\n");
+
+       memset(&def_p_conf, 0, sizeof(struct rte_event_port_conf));
+       rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
+
+       if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
+               event_p_conf.new_event_threshold =
+                       def_p_conf.new_event_threshold;
+
+       if (def_p_conf.dequeue_depth < event_p_conf.dequeue_depth)
+               event_p_conf.dequeue_depth = def_p_conf.dequeue_depth;
+
+       if (def_p_conf.enqueue_depth < event_p_conf.enqueue_depth)
+               event_p_conf.enqueue_depth = def_p_conf.enqueue_depth;
+
+       event_p_conf.disable_implicit_release =
+               evt_rsrc->disable_implicit_release;
+       evt_rsrc->deq_depth = def_p_conf.dequeue_depth;
+
+       for (event_p_id = 0; event_p_id < evt_rsrc->evp.nb_ports;
+                                                               event_p_id++) {
+               ret = rte_event_port_setup(event_d_id, event_p_id,
+                                          &event_p_conf);
+               if (ret < 0)
+                       rte_panic("Error in configuring event port %d\n",
+                                 event_p_id);
+
+               ret = rte_event_port_link(event_d_id, event_p_id,
+                                         evt_rsrc->evq.event_q_id,
+                                         NULL,
+                                         evt_rsrc->evq.nb_queues - 1);
+               if (ret != (evt_rsrc->evq.nb_queues - 1))
+                       rte_panic("Error in linking event port %d to queues\n",
+                                 event_p_id);
+               evt_rsrc->evp.event_p_id[event_p_id] = event_p_id;
+       }
+       /* init spinlock */
+       rte_spinlock_init(&evt_rsrc->evp.lock);
+
+       evt_rsrc->def_p_conf = event_p_conf;
+}
+
+static void
+l2fwd_event_queue_setup_generic(struct l2fwd_resources *rsrc,
+                         uint32_t event_queue_cfg)
+{
+       struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
+       uint8_t event_d_id = evt_rsrc->event_d_id;
+       struct rte_event_queue_conf event_q_conf = {
+               .nb_atomic_flows = 1024,
+               .nb_atomic_order_sequences = 1024,
+               .event_queue_cfg = event_queue_cfg,
+               .priority = RTE_EVENT_DEV_PRIORITY_NORMAL
+       };
+       struct rte_event_queue_conf def_q_conf;
+       uint8_t event_q_id;
+       int32_t ret;
+
+       event_q_conf.schedule_type = rsrc->sched_type;
+       evt_rsrc->evq.event_q_id = (uint8_t *)malloc(sizeof(uint8_t) *
+                                       evt_rsrc->evq.nb_queues);
+       if (!evt_rsrc->evq.event_q_id)
+               rte_panic("Memory allocation failure\n");
+
+       rte_event_queue_default_conf_get(event_d_id, 0, &def_q_conf);
+       if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
+               event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
+
+       for (event_q_id = 0; event_q_id < (evt_rsrc->evq.nb_queues - 1);
+                                                               event_q_id++) {
+               ret = rte_event_queue_setup(event_d_id, event_q_id,
+                                           &event_q_conf);
+               if (ret < 0)
+                       rte_panic("Error in configuring event queue\n");
+               evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
+       }
+
+       event_q_conf.event_queue_cfg |= RTE_EVENT_QUEUE_CFG_SINGLE_LINK;
+       event_q_conf.priority = RTE_EVENT_DEV_PRIORITY_HIGHEST,
+       ret = rte_event_queue_setup(event_d_id, event_q_id, &event_q_conf);
+       if (ret < 0)
+               rte_panic("Error in configuring event queue for Tx adapter\n");
+       evt_rsrc->evq.event_q_id[event_q_id] = event_q_id;
+}
+
 void
 l2fwd_event_set_generic_ops(struct event_setup_ops *ops)
 {
        ops->event_device_setup = l2fwd_event_device_setup_generic;
+       ops->event_queue_setup = l2fwd_event_queue_setup_generic;
+       ops->event_port_setup = l2fwd_event_port_setup_generic;
 }