1 /* 2 * SPDX-License-Identifier: BSD-3-Clause 3 * Copyright 2016 Intel Corporation. 4 * Copyright 2017 Cavium, Inc. 5 */ 6 7 #include "pipeline_common.h" 8 9 static __rte_always_inline int 10 worker_generic(void *arg) 11 { 12 struct rte_event ev; 13 14 struct worker_data *data = (struct worker_data *)arg; 15 uint8_t dev_id = data->dev_id; 16 uint8_t port_id = data->port_id; 17 size_t sent = 0, received = 0; 18 unsigned int lcore_id = rte_lcore_id(); 19 20 while (!fdata->done) { 21 22 if (fdata->cap.scheduler) 23 fdata->cap.scheduler(lcore_id); 24 25 if (!fdata->worker_core[lcore_id]) { 26 rte_pause(); 27 continue; 28 } 29 30 const uint16_t nb_rx = rte_event_dequeue_burst(dev_id, port_id, 31 &ev, 1, 0); 32 33 if (nb_rx == 0) { 34 rte_pause(); 35 continue; 36 } 37 received++; 38 39 /* The first worker stage does classification */ 40 if (ev.queue_id == cdata.qid[0]) 41 ev.flow_id = ev.mbuf->hash.rss 42 % cdata.num_fids; 43 44 ev.queue_id = cdata.next_qid[ev.queue_id]; 45 ev.op = RTE_EVENT_OP_FORWARD; 46 ev.sched_type = cdata.queue_type; 47 48 work(); 49 50 while (rte_event_enqueue_burst(dev_id, port_id, &ev, 1) != 1) 51 rte_pause(); 52 sent++; 53 } 54 55 if (!cdata.quiet) 56 printf(" worker %u thread done. RX=%zu TX=%zu\n", 57 rte_lcore_id(), received, sent); 58 59 return 0; 60 } 61 62 static int 63 worker_generic_burst(void *arg) 64 { 65 struct rte_event events[BATCH_SIZE]; 66 67 struct worker_data *data = (struct worker_data *)arg; 68 uint8_t dev_id = data->dev_id; 69 uint8_t port_id = data->port_id; 70 size_t sent = 0, received = 0; 71 unsigned int lcore_id = rte_lcore_id(); 72 73 while (!fdata->done) { 74 uint16_t i; 75 76 if (fdata->cap.scheduler) 77 fdata->cap.scheduler(lcore_id); 78 79 if (!fdata->worker_core[lcore_id]) { 80 rte_pause(); 81 continue; 82 } 83 84 const uint16_t nb_rx = rte_event_dequeue_burst(dev_id, port_id, 85 events, RTE_DIM(events), 0); 86 87 if (nb_rx == 0) { 88 rte_pause(); 89 continue; 90 } 91 received += nb_rx; 92 93 for (i = 0; i < nb_rx; i++) { 94 95 /* The first worker stage does classification */ 96 if (events[i].queue_id == cdata.qid[0]) 97 events[i].flow_id = events[i].mbuf->hash.rss 98 % cdata.num_fids; 99 100 events[i].queue_id = cdata.next_qid[events[i].queue_id]; 101 events[i].op = RTE_EVENT_OP_FORWARD; 102 events[i].sched_type = cdata.queue_type; 103 104 work(); 105 } 106 uint16_t nb_tx = rte_event_enqueue_burst(dev_id, port_id, 107 events, nb_rx); 108 while (nb_tx < nb_rx && !fdata->done) 109 nb_tx += rte_event_enqueue_burst(dev_id, port_id, 110 events + nb_tx, 111 nb_rx - nb_tx); 112 sent += nb_tx; 113 } 114 115 if (!cdata.quiet) 116 printf(" worker %u thread done. RX=%zu TX=%zu\n", 117 rte_lcore_id(), received, sent); 118 119 return 0; 120 } 121 122 static int 123 setup_eventdev_generic(struct worker_data *worker_data) 124 { 125 const uint8_t dev_id = 0; 126 /* +1 stages is for a SINGLE_LINK TX stage */ 127 const uint8_t nb_queues = cdata.num_stages + 1; 128 const uint8_t nb_ports = cdata.num_workers; 129 struct rte_event_dev_config config = { 130 .nb_event_queues = nb_queues, 131 .nb_event_ports = nb_ports, 132 .nb_events_limit = 4096, 133 .nb_event_queue_flows = 1024, 134 .nb_event_port_dequeue_depth = 128, 135 .nb_event_port_enqueue_depth = 128, 136 }; 137 struct rte_event_port_conf wkr_p_conf = { 138 .dequeue_depth = cdata.worker_cq_depth, 139 .enqueue_depth = 64, 140 .new_event_threshold = 4096, 141 }; 142 struct rte_event_queue_conf wkr_q_conf = { 143 .schedule_type = cdata.queue_type, 144 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL, 145 .nb_atomic_flows = 1024, 146 .nb_atomic_order_sequences = 1024, 147 }; 148 struct rte_event_queue_conf tx_q_conf = { 149 .priority = RTE_EVENT_DEV_PRIORITY_HIGHEST, 150 .event_queue_cfg = RTE_EVENT_QUEUE_CFG_SINGLE_LINK, 151 }; 152 153 struct port_link worker_queues[MAX_NUM_STAGES]; 154 uint8_t disable_implicit_release; 155 unsigned int i; 156 157 int ret, ndev = rte_event_dev_count(); 158 if (ndev < 1) { 159 printf("%d: No Eventdev Devices Found\n", __LINE__); 160 return -1; 161 } 162 163 struct rte_event_dev_info dev_info; 164 ret = rte_event_dev_info_get(dev_id, &dev_info); 165 printf("\tEventdev %d: %s\n", dev_id, dev_info.driver_name); 166 167 disable_implicit_release = (dev_info.event_dev_cap & 168 RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE); 169 170 wkr_p_conf.disable_implicit_release = disable_implicit_release; 171 172 if (dev_info.max_event_port_dequeue_depth < 173 config.nb_event_port_dequeue_depth) 174 config.nb_event_port_dequeue_depth = 175 dev_info.max_event_port_dequeue_depth; 176 if (dev_info.max_event_port_enqueue_depth < 177 config.nb_event_port_enqueue_depth) 178 config.nb_event_port_enqueue_depth = 179 dev_info.max_event_port_enqueue_depth; 180 181 ret = rte_event_dev_configure(dev_id, &config); 182 if (ret < 0) { 183 printf("%d: Error configuring device\n", __LINE__); 184 return -1; 185 } 186 187 /* Q creation - one load balanced per pipeline stage*/ 188 printf(" Stages:\n"); 189 for (i = 0; i < cdata.num_stages; i++) { 190 if (rte_event_queue_setup(dev_id, i, &wkr_q_conf) < 0) { 191 printf("%d: error creating qid %d\n", __LINE__, i); 192 return -1; 193 } 194 cdata.qid[i] = i; 195 cdata.next_qid[i] = i+1; 196 worker_queues[i].queue_id = i; 197 if (cdata.enable_queue_priorities) { 198 /* calculate priority stepping for each stage, leaving 199 * headroom of 1 for the SINGLE_LINK TX below 200 */ 201 const uint32_t prio_delta = 202 (RTE_EVENT_DEV_PRIORITY_LOWEST-1) / nb_queues; 203 204 /* higher priority for queues closer to tx */ 205 wkr_q_conf.priority = 206 RTE_EVENT_DEV_PRIORITY_LOWEST - prio_delta * i; 207 } 208 209 const char *type_str = "Atomic"; 210 switch (wkr_q_conf.schedule_type) { 211 case RTE_SCHED_TYPE_ORDERED: 212 type_str = "Ordered"; 213 break; 214 case RTE_SCHED_TYPE_PARALLEL: 215 type_str = "Parallel"; 216 break; 217 } 218 printf("\tStage %d, Type %s\tPriority = %d\n", i, type_str, 219 wkr_q_conf.priority); 220 } 221 printf("\n"); 222 223 /* final queue for sending to TX core */ 224 if (rte_event_queue_setup(dev_id, i, &tx_q_conf) < 0) { 225 printf("%d: error creating qid %d\n", __LINE__, i); 226 return -1; 227 } 228 cdata.tx_queue_id = i; 229 230 if (wkr_p_conf.dequeue_depth > config.nb_event_port_dequeue_depth) 231 wkr_p_conf.dequeue_depth = config.nb_event_port_dequeue_depth; 232 if (wkr_p_conf.enqueue_depth > config.nb_event_port_enqueue_depth) 233 wkr_p_conf.enqueue_depth = config.nb_event_port_enqueue_depth; 234 235 /* set up one port per worker, linking to all stage queues */ 236 for (i = 0; i < cdata.num_workers; i++) { 237 struct worker_data *w = &worker_data[i]; 238 w->dev_id = dev_id; 239 if (rte_event_port_setup(dev_id, i, &wkr_p_conf) < 0) { 240 printf("Error setting up port %d\n", i); 241 return -1; 242 } 243 244 uint32_t s; 245 for (s = 0; s < cdata.num_stages; s++) { 246 if (rte_event_port_link(dev_id, i, 247 &worker_queues[s].queue_id, 248 &worker_queues[s].priority, 249 1) != 1) { 250 printf("%d: error creating link for port %d\n", 251 __LINE__, i); 252 return -1; 253 } 254 } 255 w->port_id = i; 256 } 257 258 ret = rte_event_dev_service_id_get(dev_id, 259 &fdata->evdev_service_id); 260 if (ret != -ESRCH && ret != 0) { 261 printf("Error getting the service ID for sw eventdev\n"); 262 return -1; 263 } 264 rte_service_runstate_set(fdata->evdev_service_id, 1); 265 rte_service_set_runstate_mapped_check(fdata->evdev_service_id, 0); 266 267 return dev_id; 268 } 269 270 static void 271 init_adapters(uint16_t nb_ports) 272 { 273 int i; 274 int ret; 275 uint8_t tx_port_id = 0; 276 uint8_t evdev_id = 0; 277 struct rte_event_dev_info dev_info; 278 279 ret = rte_event_dev_info_get(evdev_id, &dev_info); 280 281 struct rte_event_port_conf adptr_p_conf = { 282 .dequeue_depth = cdata.worker_cq_depth, 283 .enqueue_depth = 64, 284 .new_event_threshold = 4096, 285 }; 286 287 if (adptr_p_conf.dequeue_depth > dev_info.max_event_port_dequeue_depth) 288 adptr_p_conf.dequeue_depth = 289 dev_info.max_event_port_dequeue_depth; 290 if (adptr_p_conf.enqueue_depth > dev_info.max_event_port_enqueue_depth) 291 adptr_p_conf.enqueue_depth = 292 dev_info.max_event_port_enqueue_depth; 293 294 /* Create one adapter for all the ethernet ports. */ 295 ret = rte_event_eth_rx_adapter_create(cdata.rx_adapter_id, evdev_id, 296 &adptr_p_conf); 297 if (ret) 298 rte_exit(EXIT_FAILURE, "failed to create rx adapter[%d]", 299 cdata.rx_adapter_id); 300 301 ret = rte_event_eth_tx_adapter_create(cdata.tx_adapter_id, evdev_id, 302 &adptr_p_conf); 303 if (ret) 304 rte_exit(EXIT_FAILURE, "failed to create tx adapter[%d]", 305 cdata.tx_adapter_id); 306 307 struct rte_event_eth_rx_adapter_queue_conf queue_conf; 308 memset(&queue_conf, 0, sizeof(queue_conf)); 309 queue_conf.ev.sched_type = cdata.queue_type; 310 queue_conf.ev.queue_id = cdata.qid[0]; 311 312 for (i = 0; i < nb_ports; i++) { 313 ret = rte_event_eth_rx_adapter_queue_add(cdata.rx_adapter_id, i, 314 -1, &queue_conf); 315 if (ret) 316 rte_exit(EXIT_FAILURE, 317 "Failed to add queues to Rx adapter"); 318 319 ret = rte_event_eth_tx_adapter_queue_add(cdata.tx_adapter_id, i, 320 -1); 321 if (ret) 322 rte_exit(EXIT_FAILURE, 323 "Failed to add queues to Tx adapter"); 324 } 325 326 ret = rte_event_eth_tx_adapter_event_port_get(cdata.tx_adapter_id, 327 &tx_port_id); 328 if (ret) 329 rte_exit(EXIT_FAILURE, 330 "Failed to get Tx adapter port id"); 331 ret = rte_event_port_link(evdev_id, tx_port_id, &cdata.tx_queue_id, 332 NULL, 1); 333 if (ret != 1) 334 rte_exit(EXIT_FAILURE, 335 "Unable to link Tx adapter port to Tx queue"); 336 337 ret = rte_event_eth_rx_adapter_service_id_get(cdata.rx_adapter_id, 338 &fdata->rxadptr_service_id); 339 if (ret != -ESRCH && ret != 0) { 340 rte_exit(EXIT_FAILURE, 341 "Error getting the service ID for Rx adapter\n"); 342 } 343 rte_service_runstate_set(fdata->rxadptr_service_id, 1); 344 rte_service_set_runstate_mapped_check(fdata->rxadptr_service_id, 0); 345 346 ret = rte_event_eth_tx_adapter_service_id_get(cdata.tx_adapter_id, 347 &fdata->txadptr_service_id); 348 if (ret != -ESRCH && ret != 0) { 349 rte_exit(EXIT_FAILURE, 350 "Error getting the service ID for Tx adapter\n"); 351 } 352 rte_service_runstate_set(fdata->txadptr_service_id, 1); 353 rte_service_set_runstate_mapped_check(fdata->txadptr_service_id, 0); 354 355 ret = rte_event_eth_rx_adapter_start(cdata.rx_adapter_id); 356 if (ret) 357 rte_exit(EXIT_FAILURE, "Rx adapter[%d] start failed", 358 cdata.rx_adapter_id); 359 360 ret = rte_event_eth_tx_adapter_start(cdata.tx_adapter_id); 361 if (ret) 362 rte_exit(EXIT_FAILURE, "Tx adapter[%d] start failed", 363 cdata.tx_adapter_id); 364 365 if (rte_event_dev_start(evdev_id) < 0) 366 rte_exit(EXIT_FAILURE, "Error starting eventdev"); 367 } 368 369 static void 370 generic_opt_check(void) 371 { 372 int i; 373 int ret; 374 uint32_t cap = 0; 375 uint8_t rx_needed = 0; 376 uint8_t sched_needed = 0; 377 struct rte_event_dev_info eventdev_info; 378 379 memset(&eventdev_info, 0, sizeof(struct rte_event_dev_info)); 380 rte_event_dev_info_get(0, &eventdev_info); 381 382 if (cdata.all_type_queues && !(eventdev_info.event_dev_cap & 383 RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES)) 384 rte_exit(EXIT_FAILURE, 385 "Event dev doesn't support all type queues\n"); 386 sched_needed = !(eventdev_info.event_dev_cap & 387 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED); 388 389 RTE_ETH_FOREACH_DEV(i) { 390 ret = rte_event_eth_rx_adapter_caps_get(0, i, &cap); 391 if (ret) 392 rte_exit(EXIT_FAILURE, 393 "failed to get event rx adapter capabilities"); 394 rx_needed |= 395 !(cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT); 396 } 397 398 if (cdata.worker_lcore_mask == 0 || 399 (rx_needed && cdata.rx_lcore_mask == 0) || 400 (cdata.tx_lcore_mask == 0) || 401 (sched_needed && cdata.sched_lcore_mask == 0)) { 402 printf("Core part of pipeline was not assigned any cores. " 403 "This will stall the pipeline, please check core masks " 404 "(use -h for details on setting core masks):\n" 405 "\trx: %"PRIu64"\n\ttx: %"PRIu64"\n\tsched: %"PRIu64 406 "\n\tworkers: %"PRIu64"\n", 407 cdata.rx_lcore_mask, cdata.tx_lcore_mask, 408 cdata.sched_lcore_mask, 409 cdata.worker_lcore_mask); 410 rte_exit(-1, "Fix core masks\n"); 411 } 412 413 if (!sched_needed) 414 memset(fdata->sched_core, 0, 415 sizeof(unsigned int) * MAX_NUM_CORE); 416 if (!rx_needed) 417 memset(fdata->rx_core, 0, 418 sizeof(unsigned int) * MAX_NUM_CORE); 419 } 420 421 void 422 set_worker_generic_setup_data(struct setup_data *caps, bool burst) 423 { 424 if (burst) { 425 caps->worker = worker_generic_burst; 426 } else { 427 caps->worker = worker_generic; 428 } 429 430 caps->adptr_setup = init_adapters; 431 caps->scheduler = schedule_devices; 432 caps->evdev_setup = setup_eventdev_generic; 433 caps->check_opt = generic_opt_check; 434 } 435