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 inline __attribute__((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) 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 (ev.sub_event_type == 0) { /* stage 0 from producer */ 38 order_atq_process_stage_0(&ev); 39 while (rte_event_enqueue_burst(dev_id, port, &ev, 1) 40 != 1) 41 rte_pause(); 42 } else if (ev.sub_event_type == 1) { /* stage 1 */ 43 order_process_stage_1(t, &ev, nb_flows, 44 expected_flow_seq, outstand_pkts); 45 } else { 46 order_process_stage_invalid(t, &ev); 47 } 48 } 49 return 0; 50 } 51 52 static int 53 order_atq_worker_burst(void *arg) 54 { 55 ORDER_WORKER_INIT; 56 struct rte_event ev[BURST_SIZE]; 57 uint16_t i; 58 59 while (t->err == false) { 60 uint16_t const nb_rx = rte_event_dequeue_burst(dev_id, port, ev, 61 BURST_SIZE, 0); 62 63 if (nb_rx == 0) { 64 if (rte_atomic64_read(outstand_pkts) <= 0) 65 break; 66 rte_pause(); 67 continue; 68 } 69 70 for (i = 0; i < nb_rx; i++) { 71 if (ev[i].sub_event_type == 0) { /*stage 0 */ 72 order_atq_process_stage_0(&ev[i]); 73 } else if (ev[i].sub_event_type == 1) { /* stage 1 */ 74 order_process_stage_1(t, &ev[i], nb_flows, 75 expected_flow_seq, outstand_pkts); 76 ev[i].op = RTE_EVENT_OP_RELEASE; 77 } else { 78 order_process_stage_invalid(t, &ev[i]); 79 } 80 } 81 82 uint16_t enq; 83 84 enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx); 85 while (enq < nb_rx) { 86 enq += rte_event_enqueue_burst(dev_id, port, 87 ev + enq, nb_rx - enq); 88 } 89 } 90 return 0; 91 } 92 93 static int 94 worker_wrapper(void *arg) 95 { 96 struct worker_data *w = arg; 97 const bool burst = evt_has_burst_mode(w->dev_id); 98 99 if (burst) 100 return order_atq_worker_burst(arg); 101 else 102 return order_atq_worker(arg); 103 } 104 105 static int 106 order_atq_launch_lcores(struct evt_test *test, struct evt_options *opt) 107 { 108 return order_launch_lcores(test, opt, worker_wrapper); 109 } 110 111 #define NB_QUEUES 1 112 static int 113 order_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt) 114 { 115 int ret; 116 117 const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores); 118 /* number of active worker cores + 1 producer */ 119 const uint8_t nb_ports = nb_workers + 1; 120 121 const struct rte_event_dev_config config = { 122 .nb_event_queues = NB_QUEUES,/* one all types queue */ 123 .nb_event_ports = nb_ports, 124 .nb_events_limit = 4096, 125 .nb_event_queue_flows = opt->nb_flows, 126 .nb_event_port_dequeue_depth = 128, 127 .nb_event_port_enqueue_depth = 128, 128 }; 129 130 ret = rte_event_dev_configure(opt->dev_id, &config); 131 if (ret) { 132 evt_err("failed to configure eventdev %d", opt->dev_id); 133 return ret; 134 } 135 136 /* q0 all types queue configuration */ 137 struct rte_event_queue_conf q0_conf = { 138 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL, 139 .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES, 140 .nb_atomic_flows = opt->nb_flows, 141 .nb_atomic_order_sequences = opt->nb_flows, 142 }; 143 ret = rte_event_queue_setup(opt->dev_id, 0, &q0_conf); 144 if (ret) { 145 evt_err("failed to setup queue0 eventdev %d", opt->dev_id); 146 return ret; 147 } 148 149 /* setup one port per worker, linking to all queues */ 150 ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES); 151 if (ret) 152 return ret; 153 154 if (!evt_has_distributed_sched(opt->dev_id)) { 155 uint32_t service_id; 156 rte_event_dev_service_id_get(opt->dev_id, &service_id); 157 ret = evt_service_setup(service_id); 158 if (ret) { 159 evt_err("No service lcore found to run event dev."); 160 return ret; 161 } 162 } 163 164 ret = rte_event_dev_start(opt->dev_id); 165 if (ret) { 166 evt_err("failed to start eventdev %d", opt->dev_id); 167 return ret; 168 } 169 170 return 0; 171 } 172 173 static void 174 order_atq_opt_dump(struct evt_options *opt) 175 { 176 order_opt_dump(opt); 177 evt_dump("nb_evdev_queues", "%d", NB_QUEUES); 178 } 179 180 static bool 181 order_atq_capability_check(struct evt_options *opt) 182 { 183 struct rte_event_dev_info dev_info; 184 185 rte_event_dev_info_get(opt->dev_id, &dev_info); 186 if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports < 187 order_nb_event_ports(opt)) { 188 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d", 189 NB_QUEUES, dev_info.max_event_queues, 190 order_nb_event_ports(opt), dev_info.max_event_ports); 191 return false; 192 } 193 194 if (!evt_has_all_types_queue(opt->dev_id)) 195 return false; 196 197 return true; 198 } 199 200 static const struct evt_test_ops order_atq = { 201 .cap_check = order_atq_capability_check, 202 .opt_check = order_opt_check, 203 .opt_dump = order_atq_opt_dump, 204 .test_setup = order_test_setup, 205 .mempool_setup = order_mempool_setup, 206 .eventdev_setup = order_atq_eventdev_setup, 207 .launch_lcores = order_atq_launch_lcores, 208 .eventdev_destroy = order_eventdev_destroy, 209 .mempool_destroy = order_mempool_destroy, 210 .test_result = order_test_result, 211 .test_destroy = order_test_destroy, 212 }; 213 214 EVT_TEST_REGISTER(order_atq); 215