1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
8 #include <rte_cycles.h>
9 #include <rte_ethdev.h>
10 #include <rte_eventdev.h>
11 #include <rte_event_eth_rx_adapter.h>
12 #include <rte_event_eth_tx_adapter.h>
13 #include <rte_lcore.h>
14 #include <rte_spinlock.h>
16 #include "l2fwd_common.h"
17 #include "l2fwd_event.h"
20 l2fwd_event_device_setup_internal_port(struct l2fwd_resources *rsrc)
22 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
23 struct rte_event_dev_config event_d_conf = {
24 .nb_events_limit = 4096,
25 .nb_event_queue_flows = 1024,
26 .nb_event_port_dequeue_depth = 128,
27 .nb_event_port_enqueue_depth = 128
29 struct rte_event_dev_info dev_info;
30 uint8_t disable_implicit_release;
31 const uint8_t event_d_id = 0; /* Always use first event device only */
32 uint32_t event_queue_cfg = 0;
33 uint16_t ethdev_count = 0;
34 uint16_t num_workers = 0;
38 RTE_ETH_FOREACH_DEV(port_id) {
39 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
44 /* Event device configurtion */
45 rte_event_dev_info_get(event_d_id, &dev_info);
47 disable_implicit_release = !!(dev_info.event_dev_cap &
48 RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE);
49 evt_rsrc->disable_implicit_release =
50 disable_implicit_release;
52 if (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES)
53 event_queue_cfg |= RTE_EVENT_QUEUE_CFG_ALL_TYPES;
55 event_d_conf.nb_event_queues = ethdev_count;
56 if (dev_info.max_event_queues < event_d_conf.nb_event_queues)
57 event_d_conf.nb_event_queues = dev_info.max_event_queues;
59 if (dev_info.max_num_events < event_d_conf.nb_events_limit)
60 event_d_conf.nb_events_limit = dev_info.max_num_events;
62 if (dev_info.max_event_queue_flows < event_d_conf.nb_event_queue_flows)
63 event_d_conf.nb_event_queue_flows =
64 dev_info.max_event_queue_flows;
66 if (dev_info.max_event_port_dequeue_depth <
67 event_d_conf.nb_event_port_dequeue_depth)
68 event_d_conf.nb_event_port_dequeue_depth =
69 dev_info.max_event_port_dequeue_depth;
71 if (dev_info.max_event_port_enqueue_depth <
72 event_d_conf.nb_event_port_enqueue_depth)
73 event_d_conf.nb_event_port_enqueue_depth =
74 dev_info.max_event_port_enqueue_depth;
76 num_workers = rte_lcore_count();
77 if (dev_info.max_event_ports < num_workers)
78 num_workers = dev_info.max_event_ports;
80 event_d_conf.nb_event_ports = num_workers;
81 evt_rsrc->evp.nb_ports = num_workers;
82 evt_rsrc->evq.nb_queues = event_d_conf.nb_event_queues;
83 evt_rsrc->has_burst = !!(dev_info.event_dev_cap &
84 RTE_EVENT_DEV_CAP_BURST_MODE);
86 ret = rte_event_dev_configure(event_d_id, &event_d_conf);
88 rte_panic("Error in configuring event device\n");
90 evt_rsrc->event_d_id = event_d_id;
91 return event_queue_cfg;
95 l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops)
97 ops->event_device_setup = l2fwd_event_device_setup_internal_port;