app/test-eventdev/test_order_atq.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include <stdio.h>
   6 #include <unistd.h>
   7
   8 #include "test_order_common.h"
   9
  10 /* See http://doc.dpdk.org/guides/tools/testeventdev.html for test details */
  11
  12 static __rte_always_inline void
  13 order_atq_process_stage_0(struct rte_event *const ev)
  14 {
  15         ev->sub_event_type = 1; /* move to stage 1 (atomic) on the same queue */
  16         ev->op = RTE_EVENT_OP_FORWARD;
  17         ev->sched_type = RTE_SCHED_TYPE_ATOMIC;
  18         ev->event_type = RTE_EVENT_TYPE_CPU;
  19 }
  20
  21 static int
  22 order_atq_worker(void *arg, const bool flow_id_cap)
  23 {
  24         ORDER_WORKER_INIT;
  25         struct rte_event ev;
  26
  27         while (t->err == false) {
  28                 uint16_t event = rte_event_dequeue_burst(dev_id, port,
  29                                         &ev, 1, 0);
  30                 if (!event) {
  31                         if (rte_atomic64_read(outstand_pkts) <= 0)
  32                                 break;
  33                         rte_pause();
  34                         continue;
  35                 }
  36
  37                 if (!flow_id_cap)
  38                         order_flow_id_copy_from_mbuf(t, &ev);
  39
  40                 if (ev.sub_event_type == 0) { /* stage 0 from producer */
  41                         order_atq_process_stage_0(&ev);
  42                         while (rte_event_enqueue_burst(dev_id, port, &ev, 1)
  43                                         != 1)
  44                                 rte_pause();
  45                 } else if (ev.sub_event_type == 1) { /* stage 1  */
  46                         order_process_stage_1(t, &ev, nb_flows,
  47                                         expected_flow_seq, outstand_pkts);
  48                 } else {
  49                         order_process_stage_invalid(t, &ev);
  50                 }
  51         }
  52         return 0;
  53 }
  54
  55 static int
  56 order_atq_worker_burst(void *arg, const bool flow_id_cap)
  57 {
  58         ORDER_WORKER_INIT;
  59         struct rte_event ev[BURST_SIZE];
  60         uint16_t i;
  61
  62         while (t->err == false) {
  63                 uint16_t const nb_rx = rte_event_dequeue_burst(dev_id, port, ev,
  64                                 BURST_SIZE, 0);
  65
  66                 if (nb_rx == 0) {
  67                         if (rte_atomic64_read(outstand_pkts) <= 0)
  68                                 break;
  69                         rte_pause();
  70                         continue;
  71                 }
  72
  73                 for (i = 0; i < nb_rx; i++) {
  74                         if (!flow_id_cap)
  75                                 order_flow_id_copy_from_mbuf(t, &ev[i]);
  76
  77                         if (ev[i].sub_event_type == 0) { /*stage 0 */
  78                                 order_atq_process_stage_0(&ev[i]);
  79                         } else if (ev[i].sub_event_type == 1) { /* stage 1 */
  80                                 order_process_stage_1(t, &ev[i], nb_flows,
  81                                         expected_flow_seq, outstand_pkts);
  82                                 ev[i].op = RTE_EVENT_OP_RELEASE;
  83                         } else {
  84                                 order_process_stage_invalid(t, &ev[i]);
  85                         }
  86                 }
  87
  88                 uint16_t enq;
  89
  90                 enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx);
  91                 while (enq < nb_rx) {
  92                         enq += rte_event_enqueue_burst(dev_id, port,
  93                                                         ev + enq, nb_rx - enq);
  94                 }
  95         }
  96         return 0;
  97 }
  98
  99 static int
 100 worker_wrapper(void *arg)
 101 {
 102         struct worker_data *w  = arg;
 103         const bool burst = evt_has_burst_mode(w->dev_id);
 104         const bool flow_id_cap = evt_has_flow_id(w->dev_id);
 105
 106         if (burst) {
 107                 if (flow_id_cap)
 108                         return order_atq_worker_burst(arg, true);
 109                 else
 110                         return order_atq_worker_burst(arg, false);
 111         } else {
 112                 if (flow_id_cap)
 113                         return order_atq_worker(arg, true);
 114                 else
 115                         return order_atq_worker(arg, false);
 116         }
 117 }
 118
 119 static int
 120 order_atq_launch_lcores(struct evt_test *test, struct evt_options *opt)
 121 {
 122         return order_launch_lcores(test, opt, worker_wrapper);
 123 }
 124
 125 #define NB_QUEUES 1
 126 static int
 127 order_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
 128 {
 129         int ret;
 130
 131         const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
 132         /* number of active worker cores + 1 producer */
 133         const uint8_t nb_ports = nb_workers + 1;
 134
 135         ret = evt_configure_eventdev(opt, NB_QUEUES, nb_ports);
 136         if (ret) {
 137                 evt_err("failed to configure eventdev %d", opt->dev_id);
 138                 return ret;
 139         }
 140
 141         /* q0 all types queue configuration */
 142         struct rte_event_queue_conf q0_conf = {
 143                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 144                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
 145                         .nb_atomic_flows = opt->nb_flows,
 146                         .nb_atomic_order_sequences = opt->nb_flows,
 147         };
 148         ret = rte_event_queue_setup(opt->dev_id, 0, &q0_conf);
 149         if (ret) {
 150                 evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
 151                 return ret;
 152         }
 153
 154         /* setup one port per worker, linking to all queues */
 155         ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
 156         if (ret)
 157                 return ret;
 158
 159         if (!evt_has_distributed_sched(opt->dev_id)) {
 160                 uint32_t service_id;
 161                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
 162                 ret = evt_service_setup(service_id);
 163                 if (ret) {
 164                         evt_err("No service lcore found to run event dev.");
 165                         return ret;
 166                 }
 167         }
 168
 169         ret = rte_event_dev_start(opt->dev_id);
 170         if (ret) {
 171                 evt_err("failed to start eventdev %d", opt->dev_id);
 172                 return ret;
 173         }
 174
 175         return 0;
 176 }
 177
 178 static void
 179 order_atq_opt_dump(struct evt_options *opt)
 180 {
 181         order_opt_dump(opt);
 182         evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
 183 }
 184
 185 static bool
 186 order_atq_capability_check(struct evt_options *opt)
 187 {
 188         struct rte_event_dev_info dev_info;
 189
 190         rte_event_dev_info_get(opt->dev_id, &dev_info);
 191         if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
 192                         order_nb_event_ports(opt)) {
 193                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 194                         NB_QUEUES, dev_info.max_event_queues,
 195                         order_nb_event_ports(opt), dev_info.max_event_ports);
 196                 return false;
 197         }
 198
 199         if (!evt_has_all_types_queue(opt->dev_id))
 200                 return false;
 201
 202         return true;
 203 }
 204
 205 static const struct evt_test_ops order_atq =  {
 206         .cap_check          = order_atq_capability_check,
 207         .opt_check          = order_opt_check,
 208         .opt_dump           = order_atq_opt_dump,
 209         .test_setup         = order_test_setup,
 210         .mempool_setup      = order_mempool_setup,
 211         .eventdev_setup     = order_atq_eventdev_setup,
 212         .launch_lcores      = order_atq_launch_lcores,
 213         .eventdev_destroy   = order_eventdev_destroy,
 214         .mempool_destroy    = order_mempool_destroy,
 215         .test_result        = order_test_result,
 216         .test_destroy       = order_test_destroy,
 217 };
 218
 219 EVT_TEST_REGISTER(order_atq);