1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
8 #include "l3fwd_event.h"
11 l3fwd_event_device_setup_generic(void)
13 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
14 struct rte_event_dev_config event_d_conf = {
15 .nb_events_limit = 4096,
16 .nb_event_queue_flows = 1024,
17 .nb_event_port_dequeue_depth = 128,
18 .nb_event_port_enqueue_depth = 128
20 struct rte_event_dev_info dev_info;
21 const uint8_t event_d_id = 0; /* Always use first event device only */
22 uint32_t event_queue_cfg = 0;
23 uint16_t ethdev_count = 0;
24 uint16_t num_workers = 0;
28 RTE_ETH_FOREACH_DEV(port_id) {
29 if ((evt_rsrc->port_mask & (1 << port_id)) == 0)
34 /* Event device configuration */
35 rte_event_dev_info_get(event_d_id, &dev_info);
36 /* Enable implicit release */
37 if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE)
38 evt_rsrc->disable_implicit_release = 0;
40 if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES)
41 event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES;
43 /* One queue for each ethdev port + one Tx adapter Single link queue. */
44 event_d_conf.nb_event_queues = ethdev_count + 1;
45 if (dev_info.max_event_queues < event_d_conf.nb_event_queues)
46 event_d_conf.nb_event_queues = dev_info.max_event_queues;
48 if (dev_info.max_num_events < event_d_conf.nb_events_limit)
49 event_d_conf.nb_events_limit = dev_info.max_num_events;
51 if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows)
52 event_d_conf.nb_event_queue_flows =
53 dev_info.max_event_queue_flows;
55 if (dev_info.max_event_port_dequeue_depth <
56 event_d_conf.nb_event_port_dequeue_depth)
57 event_d_conf.nb_event_port_dequeue_depth =
58 dev_info.max_event_port_dequeue_depth;
60 if (dev_info.max_event_port_enqueue_depth <
61 event_d_conf.nb_event_port_enqueue_depth)
62 event_d_conf.nb_event_port_enqueue_depth =
63 dev_info.max_event_port_enqueue_depth;
65 num_workers = rte_lcore_count() - rte_service_lcore_count();
66 if (dev_info.max_event_ports < num_workers)
67 num_workers = dev_info.max_event_ports;
69 event_d_conf.nb_event_ports = num_workers;
70 evt_rsrc->evp.nb_ports = num_workers;
71 evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues;
73 evt_rsrc->has_burst = !!(dev_info.event_dev_cap &
74 RTE_EVENT_DEV_CAP_BURST_MODE);
76 ret = rte_event_dev_configure(event_d_id, &event_d_conf);
78 rte_panic("Error in configuring event device\n");
80 evt_rsrc->event_d_id = event_d_id;
81 return event_queue_cfg;
85 l3fwd_event_set_generic_ops(struct l3fwd_event_setup_ops *ops)
87 ops->event_device_setup = l3fwd_event_device_setup_generic;