app/test-eventdev/test_order_queue.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_queue_process_stage_0(struct rte_event *const ev)
  14 {
  15         ev->queue_id = 1; /* q1 atomic 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_queue_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.queue_id == 0) { /* from ordered queue */
  41                         order_queue_process_stage_0(&ev);
  42                         while (rte_event_enqueue_burst(dev_id, port, &ev, 1)
  43                                         != 1)
  44                                 rte_pause();
  45                 } else if (ev.queue_id == 1) { /* from atomic queue */
  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_queue_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
  75                         if (!flow_id_cap)
  76                                 order_flow_id_copy_from_mbuf(t, &ev[i]);
  77
  78                         if (ev[i].queue_id == 0) { /* from ordered queue */
  79                                 order_queue_process_stage_0(&ev[i]);
  80                         } else if (ev[i].queue_id == 1) {/* from atomic queue */
  81                                 order_process_stage_1(t, &ev[i], nb_flows,
  82                                         expected_flow_seq, outstand_pkts);
  83                                 ev[i].op = RTE_EVENT_OP_RELEASE;
  84                         } else {
  85                                 order_process_stage_invalid(t, &ev[i]);
  86                         }
  87                 }
  88
  89                 uint16_t enq;
  90
  91                 enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx);
  92                 while (enq < nb_rx) {
  93                         enq += rte_event_enqueue_burst(dev_id, port,
  94                                                         ev + enq, nb_rx - enq);
  95                 }
  96         }
  97         return 0;
  98 }
  99
 100 static int
 101 worker_wrapper(void *arg)
 102 {
 103         struct worker_data *w  = arg;
 104         const bool burst = evt_has_burst_mode(w->dev_id);
 105         const bool flow_id_cap = evt_has_flow_id(w->dev_id);
 106
 107         if (burst) {
 108                 if (flow_id_cap)
 109                         return order_queue_worker_burst(arg, true);
 110                 else
 111                         return order_queue_worker_burst(arg, false);
 112         } else {
 113                 if (flow_id_cap)
 114                         return order_queue_worker(arg, true);
 115                 else
 116                         return order_queue_worker(arg, false);
 117         }
 118 }
 119
 120 static int
 121 order_queue_launch_lcores(struct evt_test *test, struct evt_options *opt)
 122 {
 123         return order_launch_lcores(test, opt, worker_wrapper);
 124 }
 125
 126 #define NB_QUEUES 2
 127 static int
 128 order_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
 129 {
 130         int ret;
 131
 132         const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
 133         /* number of active worker cores + 1 producer */
 134         const uint8_t nb_ports = nb_workers + 1;
 135
 136         ret = evt_configure_eventdev(opt, NB_QUEUES, nb_ports);
 137         if (ret) {
 138                 evt_err("failed to configure eventdev %d", opt->dev_id);
 139                 return ret;
 140         }
 141
 142         /* q0 (ordered queue) configuration */
 143         struct rte_event_queue_conf q0_ordered_conf = {
 144                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 145                         .schedule_type = RTE_SCHED_TYPE_ORDERED,
 146                         .nb_atomic_flows = opt->nb_flows,
 147                         .nb_atomic_order_sequences = opt->nb_flows,
 148         };
 149         ret = rte_event_queue_setup(opt->dev_id, 0, &q0_ordered_conf);
 150         if (ret) {
 151                 evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
 152                 return ret;
 153         }
 154
 155         /* q1 (atomic queue) configuration */
 156         struct rte_event_queue_conf q1_atomic_conf = {
 157                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 158                         .schedule_type = RTE_SCHED_TYPE_ATOMIC,
 159                         .nb_atomic_flows = opt->nb_flows,
 160                         .nb_atomic_order_sequences = opt->nb_flows,
 161         };
 162         ret = rte_event_queue_setup(opt->dev_id, 1, &q1_atomic_conf);
 163         if (ret) {
 164                 evt_err("failed to setup queue1 eventdev %d", opt->dev_id);
 165                 return ret;
 166         }
 167
 168         /* setup one port per worker, linking to all queues */
 169         ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
 170         if (ret)
 171                 return ret;
 172
 173         if (!evt_has_distributed_sched(opt->dev_id)) {
 174                 uint32_t service_id;
 175                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
 176                 ret = evt_service_setup(service_id);
 177                 if (ret) {
 178                         evt_err("No service lcore found to run event dev.");
 179                         return ret;
 180                 }
 181         }
 182
 183         ret = rte_event_dev_start(opt->dev_id);
 184         if (ret) {
 185                 evt_err("failed to start eventdev %d", opt->dev_id);
 186                 return ret;
 187         }
 188
 189         return 0;
 190 }
 191
 192 static void
 193 order_queue_opt_dump(struct evt_options *opt)
 194 {
 195         order_opt_dump(opt);
 196         evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
 197 }
 198
 199 static bool
 200 order_queue_capability_check(struct evt_options *opt)
 201 {
 202         struct rte_event_dev_info dev_info;
 203
 204         rte_event_dev_info_get(opt->dev_id, &dev_info);
 205         if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
 206                         order_nb_event_ports(opt)) {
 207                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 208                         NB_QUEUES, dev_info.max_event_queues,
 209                         order_nb_event_ports(opt), dev_info.max_event_ports);
 210                 return false;
 211         }
 212
 213         return true;
 214 }
 215
 216 static const struct evt_test_ops order_queue =  {
 217         .cap_check          = order_queue_capability_check,
 218         .opt_check          = order_opt_check,
 219         .opt_dump           = order_queue_opt_dump,
 220         .test_setup         = order_test_setup,
 221         .mempool_setup      = order_mempool_setup,
 222         .eventdev_setup     = order_queue_eventdev_setup,
 223         .launch_lcores      = order_queue_launch_lcores,
 224         .eventdev_destroy   = order_eventdev_destroy,
 225         .mempool_destroy    = order_mempool_destroy,
 226         .test_result        = order_test_result,
 227         .test_destroy       = order_test_destroy,
 228 };
 229
 230 EVT_TEST_REGISTER(order_queue);