1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
5 #include <rte_common.h>
6 #include <rte_hexdump.h>
8 #include <rte_malloc.h>
9 #include <rte_memcpy.h>
10 #include <rte_cycles.h>
12 #include <rte_service.h>
13 #include <rte_service_component.h>
17 /* used as the service core ID */
18 static uint32_t slcore_id;
19 /* used as timestamp to detect if a service core is running */
20 static uint64_t service_tick;
21 /* used as a flag to check if a function was run */
22 static uint32_t service_remote_launch_flag;
24 #define SERVICE_DELAY 1
26 #define DUMMY_SERVICE_NAME "dummy_service"
27 #define MT_SAFE_SERVICE_NAME "mt_safe_service"
32 slcore_id = rte_get_next_lcore(/* start core */ -1,
40 testsuite_teardown(void)
42 /* release service cores? */
45 static int32_t dummy_cb(void *args)
49 rte_delay_ms(SERVICE_DELAY);
53 static int32_t dummy_mt_unsafe_cb(void *args)
55 /* before running test, the initialization has set pass_test to 1.
56 * If the cmpset in service-cores is working correctly, the code here
57 * should never fail to take the lock. If the lock *is* taken, fail the
58 * test, because two threads are concurrently in a non-MT safe callback.
60 uint32_t *test_params = args;
61 uint32_t *atomic_lock = &test_params[0];
62 uint32_t *pass_test = &test_params[1];
63 int lock_taken = rte_atomic32_cmpset(atomic_lock, 0, 1);
65 /* delay with the lock held */
67 rte_atomic32_clear((rte_atomic32_t *)atomic_lock);
69 /* 2nd thread will fail to take lock, so set pass flag */
77 static int32_t dummy_mt_safe_cb(void *args)
79 /* Atomic checks to ensure MT safe services allow > 1 thread to
80 * concurrently run the callback. The concept is as follows;
81 * 1) if lock is available, take the lock then delay
82 * 2) if first lock is taken, and a thread arrives in the CB, we know
83 * that 2 threads are running the callback at the same time: MT safe
85 uint32_t *test_params = args;
86 uint32_t *atomic_lock = &test_params[0];
87 uint32_t *pass_test = &test_params[1];
88 int lock_taken = rte_atomic32_cmpset(atomic_lock, 0, 1);
90 /* delay with the lock held */
92 rte_atomic32_clear((rte_atomic32_t *)atomic_lock);
94 /* 2nd thread will fail to take lock, so set pass flag */
101 /* unregister all services */
107 TEST_ASSERT_EQUAL(-EINVAL, rte_service_component_unregister(1000),
108 "Unregistered invalid service id");
110 uint32_t c = rte_service_get_count();
111 for (i = 0; i < c; i++) {
112 TEST_ASSERT_EQUAL(0, rte_service_component_unregister(i),
113 "Error unregistering a valid service");
116 rte_service_lcore_reset_all();
121 /* register a single dummy service */
125 /* make sure there are no remains from previous tests */
128 struct rte_service_spec service;
129 memset(&service, 0, sizeof(struct rte_service_spec));
131 TEST_ASSERT_EQUAL(-EINVAL,
132 rte_service_component_register(&service, NULL),
134 service.callback = dummy_cb;
136 TEST_ASSERT_EQUAL(-EINVAL,
137 rte_service_component_register(&service, NULL),
139 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
142 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, &id),
143 "Failed to register valid service");
145 rte_service_component_runstate_set(id, 1);
150 /* verify get_by_name() service lookup */
152 service_get_by_name(void)
157 TEST_ASSERT_EQUAL(-ENODEV,
158 rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
159 "get by name with invalid name should return -ENODEV");
160 TEST_ASSERT_EQUAL(-EINVAL,
161 rte_service_get_by_name(DUMMY_SERVICE_NAME, 0x0),
162 "get by name with NULL ptr should return -ENODEV");
164 /* register service */
165 struct rte_service_spec service;
166 memset(&service, 0, sizeof(struct rte_service_spec));
167 TEST_ASSERT_EQUAL(-EINVAL,
168 rte_service_component_register(&service, NULL),
170 service.callback = dummy_cb;
171 TEST_ASSERT_EQUAL(-EINVAL,
172 rte_service_component_register(&service, NULL),
174 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
175 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
176 "Failed to register valid service");
178 /* we unregistered all service, now registering 1, should be id 0 */
179 uint32_t service_id_as_expected = 0;
180 TEST_ASSERT_EQUAL(0, rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
181 "Service get_by_name should return 0 on valid inputs");
182 TEST_ASSERT_EQUAL(service_id_as_expected, sid,
183 "Service get_by_name should equal expected id");
187 /* ensure after unregister, get_by_name returns NULL */
188 TEST_ASSERT_EQUAL(-ENODEV,
189 rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
190 "get by name should return -ENODEV after unregister");
195 /* verify probe of capabilities */
197 service_probe_capability(void)
201 struct rte_service_spec service;
202 memset(&service, 0, sizeof(struct rte_service_spec));
203 service.callback = dummy_cb;
204 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
205 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
206 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
207 "Register of MT SAFE service failed");
209 /* verify flag is enabled */
210 const uint32_t sid = 0;
211 int32_t mt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);
212 TEST_ASSERT_EQUAL(1, mt, "MT SAFE capability flag not set.");
217 memset(&service, 0, sizeof(struct rte_service_spec));
218 service.callback = dummy_cb;
219 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
220 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
221 "Register of non-MT safe service failed");
223 /* verify flag is enabled */
224 mt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);
225 TEST_ASSERT_EQUAL(0, mt, "MT SAFE cap flag set on non MT SAFE service");
227 return unregister_all();
230 /* verify the service name */
234 const char *name = rte_service_get_name(0);
235 int equal = strcmp(name, DUMMY_SERVICE_NAME);
236 TEST_ASSERT_EQUAL(0, equal, "Error: Service name not correct");
238 return unregister_all();
241 /* verify service attr get */
243 service_attr_get(void)
245 /* ensure all services unregistered so cycle counts are zero */
248 struct rte_service_spec service;
249 memset(&service, 0, sizeof(struct rte_service_spec));
250 service.callback = dummy_cb;
251 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
252 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
254 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, &id),
255 "Register of service failed");
256 rte_service_component_runstate_set(id, 1);
257 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(id, 1),
258 "Error: Service start returned non-zero");
259 rte_service_set_stats_enable(id, 1);
261 uint32_t attr_id = UINT32_MAX;
262 uint64_t attr_value = 0xdead;
263 /* check error return values */
264 TEST_ASSERT_EQUAL(-EINVAL, rte_service_attr_get(id, attr_id,
266 "Invalid attr_id didn't return -EINVAL");
268 attr_id = RTE_SERVICE_ATTR_CYCLES;
269 TEST_ASSERT_EQUAL(-EINVAL, rte_service_attr_get(UINT32_MAX, attr_id,
271 "Invalid service id didn't return -EINVAL");
273 TEST_ASSERT_EQUAL(-EINVAL, rte_service_attr_get(id, attr_id, NULL),
274 "Invalid attr_value pointer id didn't return -EINVAL");
276 /* check correct (zero) return value and correct value (zero) */
277 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_id, &attr_value),
278 "Valid attr_get() call didn't return success");
279 TEST_ASSERT_EQUAL(0, attr_value,
280 "attr_get() call didn't set correct cycles (zero)");
281 /* check correct call count */
282 const int attr_calls = RTE_SERVICE_ATTR_CALL_COUNT;
283 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_calls, &attr_value),
284 "Valid attr_get() call didn't return success");
285 TEST_ASSERT_EQUAL(0, attr_value,
286 "attr_get() call didn't get call count (zero)");
288 /* Call service to increment cycle count */
289 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
290 "Service core add did not return zero");
291 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(id, slcore_id, 1),
292 "Enabling valid service and core failed");
293 TEST_ASSERT_EQUAL(0, rte_service_lcore_start(slcore_id),
294 "Starting service core failed");
296 /* wait for the service lcore to run */
299 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_id, &attr_value),
300 "Valid attr_get() call didn't return success");
301 int cycles_gt_zero = attr_value > 0;
302 TEST_ASSERT_EQUAL(1, cycles_gt_zero,
303 "attr_get() failed to get cycles (expected > zero)");
305 rte_service_lcore_stop(slcore_id);
307 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_calls, &attr_value),
308 "Valid attr_get() call didn't return success");
309 TEST_ASSERT_EQUAL(1, (attr_value > 0),
310 "attr_get() call didn't get call count (zero)");
312 TEST_ASSERT_EQUAL(0, rte_service_attr_reset_all(id),
313 "Valid attr_reset_all() return success");
315 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_id, &attr_value),
316 "Valid attr_get() call didn't return success");
317 TEST_ASSERT_EQUAL(0, attr_value,
318 "attr_get() call didn't set correct cycles (zero)");
319 /* ensure call count > zero */
320 TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_calls, &attr_value),
321 "Valid attr_get() call didn't return success");
322 TEST_ASSERT_EQUAL(0, (attr_value > 0),
323 "attr_get() call didn't get call count (zero)");
325 return unregister_all();
328 /* verify service lcore attr get */
330 service_lcore_attr_get(void)
332 /* ensure all services unregistered so cycle counts are zero */
335 struct rte_service_spec service;
336 memset(&service, 0, sizeof(struct rte_service_spec));
337 service.callback = dummy_cb;
338 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
339 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
341 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, &id),
342 "Register of service failed");
343 rte_service_component_runstate_set(id, 1);
344 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(id, 1),
345 "Error: Service start returned non-zero");
346 rte_service_set_stats_enable(id, 1);
348 uint64_t lcore_attr_value = 0xdead;
349 uint32_t lcore_attr_id = UINT32_MAX;
351 /* check error return values */
352 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_attr_get(UINT32_MAX,
353 lcore_attr_id, &lcore_attr_value),
354 "Invalid lcore_id didn't return -EINVAL");
355 TEST_ASSERT_EQUAL(-ENOTSUP, rte_service_lcore_attr_get(rte_lcore_id(),
356 lcore_attr_id, &lcore_attr_value),
357 "Non-service core didn't return -ENOTSUP");
359 /* Start service core to increment loop count */
360 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
361 "Service core add did not return zero");
362 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(id, slcore_id, 1),
363 "Enabling valid service and core failed");
364 TEST_ASSERT_EQUAL(0, rte_service_lcore_start(slcore_id),
365 "Starting service core failed");
367 /* wait for the service lcore to run */
370 lcore_attr_id = RTE_SERVICE_LCORE_ATTR_LOOPS;
371 TEST_ASSERT_EQUAL(0, rte_service_lcore_attr_get(slcore_id,
372 lcore_attr_id, &lcore_attr_value),
373 "Valid lcore_attr_get() call didn't return success");
374 int loops_gt_zero = lcore_attr_value > 0;
375 TEST_ASSERT_EQUAL(1, loops_gt_zero,
376 "lcore_attr_get() failed to get loops "
377 "(expected > zero)");
379 lcore_attr_id++; // invalid lcore attr id
380 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_attr_get(slcore_id,
381 lcore_attr_id, &lcore_attr_value),
382 "Invalid lcore attr didn't return -EINVAL");
384 rte_service_lcore_stop(slcore_id);
386 TEST_ASSERT_EQUAL(0, rte_service_lcore_attr_reset_all(slcore_id),
387 "Valid lcore_attr_reset_all() didn't return success");
389 lcore_attr_id = RTE_SERVICE_LCORE_ATTR_LOOPS;
390 TEST_ASSERT_EQUAL(0, rte_service_lcore_attr_get(slcore_id,
391 lcore_attr_id, &lcore_attr_value),
392 "Valid lcore_attr_get() call didn't return success");
393 TEST_ASSERT_EQUAL(0, lcore_attr_value,
394 "lcore_attr_get() didn't get correct loop count "
397 return unregister_all();
400 /* verify service dump */
404 const uint32_t sid = 0;
405 rte_service_set_stats_enable(sid, 1);
406 rte_service_dump(stdout, 0);
407 rte_service_set_stats_enable(sid, 0);
408 rte_service_dump(stdout, 0);
409 return unregister_all();
412 /* start and stop a service */
414 service_start_stop(void)
416 const uint32_t sid = 0;
418 /* runstate_get() returns if service is running and slcore is mapped */
419 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
420 "Service core add did not return zero");
421 int ret = rte_service_map_lcore_set(sid, slcore_id, 1);
422 TEST_ASSERT_EQUAL(0, ret,
423 "Enabling service core, expected 0 got %d", ret);
425 TEST_ASSERT_EQUAL(0, rte_service_runstate_get(sid),
426 "Error: Service should be stopped");
428 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
429 "Error: Service stopped returned non-zero");
431 TEST_ASSERT_EQUAL(0, rte_service_runstate_get(sid),
432 "Error: Service is running - should be stopped");
434 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
435 "Error: Service start returned non-zero");
437 TEST_ASSERT_EQUAL(1, rte_service_runstate_get(sid),
438 "Error: Service is not running");
440 return unregister_all();
445 service_remote_launch_func(void *arg)
448 service_remote_launch_flag = 1;
452 /* enable and disable a lcore for a service */
454 service_lcore_en_dis_able(void)
456 const uint32_t sid = 0;
458 /* expected failure cases */
459 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, 100000, 1),
460 "Enable on invalid core did not fail");
461 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, 100000, 0),
462 "Disable on invalid core did not fail");
464 /* add service core to allow enabling */
465 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
466 "Add service core failed when not in use before");
469 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 1),
470 "Enabling valid service and core failed");
471 TEST_ASSERT_EQUAL(1, rte_service_map_lcore_get(sid, slcore_id),
472 "Enabled core returned not-enabled");
475 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 0),
476 "Disabling valid service and lcore failed");
477 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_get(sid, slcore_id),
478 "Disabled core returned enabled");
480 /* call remote_launch to verify that app can launch ex-service lcore */
481 service_remote_launch_flag = 0;
482 rte_eal_wait_lcore(slcore_id);
483 int ret = rte_eal_remote_launch(service_remote_launch_func, NULL,
485 TEST_ASSERT_EQUAL(0, ret, "Ex-service core remote launch failed.");
486 rte_eal_mp_wait_lcore();
487 TEST_ASSERT_EQUAL(1, service_remote_launch_flag,
488 "Ex-service core function call had no effect.");
490 return unregister_all();
494 service_lcore_running_check(void)
496 uint64_t tick = service_tick;
497 rte_delay_ms(SERVICE_DELAY * 100);
498 /* if (tick != service_tick) we know the lcore as polled the service */
499 return tick != service_tick;
503 service_lcore_add_del(void)
505 /* check initial count */
506 TEST_ASSERT_EQUAL(0, rte_service_lcore_count(),
507 "Service lcore count has value before adding a lcore");
509 /* check service lcore add */
510 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
511 "Add service core failed when not in use before");
512 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_add(slcore_id),
513 "Add service core failed to refuse in-use lcore");
516 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
517 "Service core count not equal to one");
519 /* retrieve core list, checking lcore ids */
520 const uint32_t size = 4;
521 uint32_t service_core_ids[size];
522 int32_t n = rte_service_lcore_list(service_core_ids, size);
523 TEST_ASSERT_EQUAL(1, n, "Service core list return should equal 1");
524 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
525 "Service core list lcore must equal slcore_id");
527 /* recheck count, add more cores, and check count */
528 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
529 "Service core count not equal to one");
530 uint32_t slcore_1 = rte_get_next_lcore(/* start core */ -1,
533 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_1),
534 "Service core add did not return zero");
535 uint32_t slcore_2 = rte_get_next_lcore(/* start core */ slcore_1,
538 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_2),
539 "Service core add did not return zero");
541 uint32_t count = rte_service_lcore_count();
542 const uint32_t cores_at_this_point = 3;
543 TEST_ASSERT_EQUAL(cores_at_this_point, count,
544 "Service core count %d, expected %d", count,
545 cores_at_this_point);
547 /* check longer service core list */
548 n = rte_service_lcore_list(service_core_ids, size);
549 TEST_ASSERT_EQUAL(3, n, "Service core list return should equal 3");
550 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
551 "Service core list[0] lcore must equal 1");
552 TEST_ASSERT_EQUAL(slcore_1, service_core_ids[1],
553 "Service core list[1] lcore must equal 2");
554 TEST_ASSERT_EQUAL(slcore_2, service_core_ids[2],
555 "Service core list[2] lcore must equal 3");
557 /* recheck count, remove lcores, check remaining lcore_id is correct */
558 TEST_ASSERT_EQUAL(3, rte_service_lcore_count(),
559 "Service core count not equal to three");
560 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_1),
561 "Service core add did not return zero");
562 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_2),
563 "Service core add did not return zero");
564 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
565 "Service core count not equal to one");
566 n = rte_service_lcore_list(service_core_ids, size);
567 TEST_ASSERT_EQUAL(1, n, "Service core list return should equal one");
568 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
569 "Service core list[0] lcore must equal %d",
572 return unregister_all();
576 service_threaded_test(int mt_safe)
580 /* add next 2 cores */
581 uint32_t slcore_1 = rte_get_next_lcore(/* start core */ -1,
584 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_1),
585 "mt safe lcore add fail");
586 uint32_t slcore_2 = rte_get_next_lcore(/* start core */ slcore_1,
589 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_2),
590 "mt safe lcore add fail");
592 /* Use atomic locks to verify that two threads are in the same function
593 * at the same time. These are passed to the unit tests through the
594 * callback userdata parameter
596 uint32_t test_params[2];
597 memset(test_params, 0, sizeof(uint32_t) * 2);
599 /* register MT safe service. */
600 struct rte_service_spec service;
601 memset(&service, 0, sizeof(struct rte_service_spec));
602 service.callback_userdata = test_params;
603 snprintf(service.name, sizeof(service.name), MT_SAFE_SERVICE_NAME);
606 service.callback = dummy_mt_safe_cb;
607 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
609 service.callback = dummy_mt_unsafe_cb;
612 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, &id),
613 "Register of MT SAFE service failed");
615 const uint32_t sid = 0;
616 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
617 "Starting valid service failed");
618 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_1, 1),
619 "Failed to enable lcore 1 on mt safe service");
620 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_2, 1),
621 "Failed to enable lcore 2 on mt safe service");
622 rte_service_lcore_start(slcore_1);
623 rte_service_lcore_start(slcore_2);
625 /* wait for the worker threads to run */
627 rte_service_lcore_stop(slcore_1);
628 rte_service_lcore_stop(slcore_2);
630 TEST_ASSERT_EQUAL(0, test_params[1],
631 "Service run with component runstate = 0");
633 /* enable backend runstate: the service should run after this */
634 rte_service_component_runstate_set(id, 1);
636 /* initialize to pass, see callback comment for details */
640 /* wait for lcores before start() */
641 rte_eal_wait_lcore(slcore_1);
642 rte_eal_wait_lcore(slcore_2);
644 rte_service_lcore_start(slcore_1);
645 rte_service_lcore_start(slcore_2);
647 /* wait for the worker threads to run */
649 rte_service_lcore_stop(slcore_1);
650 rte_service_lcore_stop(slcore_2);
652 TEST_ASSERT_EQUAL(1, test_params[1],
653 "MT Safe service not run by two cores concurrently");
654 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
655 "Failed to stop MT Safe service");
657 rte_eal_wait_lcore(slcore_1);
658 rte_eal_wait_lcore(slcore_2);
661 /* return the value of the callback pass_test variable to caller */
662 return test_params[1];
665 /* tests an MT SAFE service with two cores. The callback function ensures that
666 * two threads access the callback concurrently.
669 service_mt_safe_poll(void)
672 TEST_ASSERT_EQUAL(1, service_threaded_test(mt_safe),
673 "Error: MT Safe service not run by two cores concurrently");
677 /* tests a NON mt safe service with two cores, the callback is serialized
678 * using the atomic cmpset.
681 service_mt_unsafe_poll(void)
684 TEST_ASSERT_EQUAL(1, service_threaded_test(mt_safe),
685 "Error: NON MT Safe service run by two cores concurrently");
690 delay_as_a_mt_safe_service(void *args)
693 uint32_t *params = args;
695 /* retrieve done flag and atomic lock to inc/dec */
696 uint32_t *done = ¶ms[0];
697 rte_atomic32_t *lock = (rte_atomic32_t *)¶ms[1];
700 rte_atomic32_inc(lock);
702 if (rte_atomic32_read(lock) > 1)
703 /* pass: second core has simultaneously incremented */
705 rte_atomic32_dec(lock);
712 delay_as_a_service(void *args)
714 uint32_t *done = (uint32_t *)args;
721 service_run_on_app_core_func(void *arg)
723 uint32_t *delay_service_id = (uint32_t *)arg;
724 return rte_service_run_iter_on_app_lcore(*delay_service_id, 1);
728 service_app_lcore_poll_impl(const int mt_safe)
730 uint32_t params[2] = {0};
732 struct rte_service_spec service;
733 memset(&service, 0, sizeof(struct rte_service_spec));
734 snprintf(service.name, sizeof(service.name), MT_SAFE_SERVICE_NAME);
736 service.callback = delay_as_a_mt_safe_service;
737 service.callback_userdata = params;
738 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
740 service.callback = delay_as_a_service;
741 service.callback_userdata = ¶ms;
745 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, &id),
746 "Register of app lcore delay service failed");
748 rte_service_component_runstate_set(id, 1);
749 rte_service_runstate_set(id, 1);
751 uint32_t app_core2 = rte_get_next_lcore(slcore_id, 1, 1);
752 rte_eal_wait_lcore(app_core2);
753 int app_core2_ret = rte_eal_remote_launch(service_run_on_app_core_func,
758 int app_core1_ret = service_run_on_app_core_func(&id);
760 /* flag done, then wait for the spawned 2nd core to return */
762 rte_eal_mp_wait_lcore();
764 /* core two gets launched first - and should hold the service lock */
765 TEST_ASSERT_EQUAL(0, app_core2_ret,
766 "App core2 : run service didn't return zero");
769 /* mt safe should have both cores return 0 for success */
770 TEST_ASSERT_EQUAL(0, app_core1_ret,
771 "MT Safe: App core1 didn't return 0");
773 /* core one attempts to run later - should be blocked */
774 TEST_ASSERT_EQUAL(-EBUSY, app_core1_ret,
775 "MT Unsafe: App core1 didn't return -EBUSY");
784 service_app_lcore_mt_safe(void)
786 const int mt_safe = 1;
787 return service_app_lcore_poll_impl(mt_safe);
791 service_app_lcore_mt_unsafe(void)
793 const int mt_safe = 0;
794 return service_app_lcore_poll_impl(mt_safe);
797 /* start and stop a service core - ensuring it goes back to sleep */
799 service_lcore_start_stop(void)
801 /* start service core and service, create mapping so tick() runs */
802 const uint32_t sid = 0;
803 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
804 "Starting valid service failed");
805 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, slcore_id, 1),
806 "Enabling valid service on non-service core must fail");
809 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_start(slcore_id),
810 "Service core start without add should return EINVAL");
811 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
812 "Service core add did not return zero");
813 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 1),
814 "Enabling valid service on valid core failed");
815 TEST_ASSERT_EQUAL(0, rte_service_lcore_start(slcore_id),
816 "Service core start after add failed");
817 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_start(slcore_id),
818 "Service core expected as running but was stopped");
820 /* ensures core really is running the service function */
821 TEST_ASSERT_EQUAL(1, service_lcore_running_check(),
822 "Service core expected to poll service but it didn't");
825 TEST_ASSERT_EQUAL(-EBUSY, rte_service_lcore_stop(slcore_id),
826 "Service core running a service should return -EBUSY");
827 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
828 "Stopping valid service failed");
829 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_stop(100000),
830 "Invalid Service core stop should return -EINVAL");
831 TEST_ASSERT_EQUAL(0, rte_service_lcore_stop(slcore_id),
832 "Service core stop expected to return 0");
833 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_stop(slcore_id),
834 "Already stopped service core should return -EALREADY");
836 /* ensure service is not longer running */
837 TEST_ASSERT_EQUAL(0, service_lcore_running_check(),
838 "Service core expected to poll service but it didn't");
840 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_id),
841 "Service core del did not return zero");
843 return unregister_all();
846 /* stop a service and wait for it to become inactive */
848 service_may_be_active(void)
850 const uint32_t sid = 0;
853 /* expected failure cases */
854 TEST_ASSERT_EQUAL(-EINVAL, rte_service_may_be_active(10000),
855 "Invalid service may be active check did not fail");
857 /* start the service */
858 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
859 "Starting valid service failed");
860 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
861 "Add service core failed when not in use before");
862 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 1),
863 "Enabling valid service on valid core failed");
864 TEST_ASSERT_EQUAL(0, rte_service_lcore_start(slcore_id),
865 "Service core start after add failed");
867 /* ensures core really is running the service function */
868 TEST_ASSERT_EQUAL(1, service_lcore_running_check(),
869 "Service core expected to poll service but it didn't");
871 /* stop the service */
872 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
873 "Error: Service stop returned non-zero");
875 /* give the service 100ms to stop running */
876 for (i = 0; i < 100; i++) {
877 if (!rte_service_may_be_active(sid))
879 rte_delay_ms(SERVICE_DELAY);
882 TEST_ASSERT_EQUAL(0, rte_service_may_be_active(sid),
883 "Error: Service not stopped after 100ms");
885 return unregister_all();
888 static struct unit_test_suite service_tests = {
889 .suite_name = "service core test suite",
890 .setup = testsuite_setup,
891 .teardown = testsuite_teardown,
893 TEST_CASE_ST(dummy_register, NULL, unregister_all),
894 TEST_CASE_ST(dummy_register, NULL, service_name),
895 TEST_CASE_ST(dummy_register, NULL, service_get_by_name),
896 TEST_CASE_ST(dummy_register, NULL, service_dump),
897 TEST_CASE_ST(dummy_register, NULL, service_attr_get),
898 TEST_CASE_ST(dummy_register, NULL, service_lcore_attr_get),
899 TEST_CASE_ST(dummy_register, NULL, service_probe_capability),
900 TEST_CASE_ST(dummy_register, NULL, service_start_stop),
901 TEST_CASE_ST(dummy_register, NULL, service_lcore_add_del),
902 TEST_CASE_ST(dummy_register, NULL, service_lcore_start_stop),
903 TEST_CASE_ST(dummy_register, NULL, service_lcore_en_dis_able),
904 TEST_CASE_ST(dummy_register, NULL, service_mt_unsafe_poll),
905 TEST_CASE_ST(dummy_register, NULL, service_mt_safe_poll),
906 TEST_CASE_ST(dummy_register, NULL, service_app_lcore_mt_safe),
907 TEST_CASE_ST(dummy_register, NULL, service_app_lcore_mt_unsafe),
908 TEST_CASE_ST(dummy_register, NULL, service_may_be_active),
909 TEST_CASES_END() /**< NULL terminate unit test array */
914 test_service_common(void)
916 return unit_test_suite_runner(&service_tests);
919 REGISTER_TEST_COMMAND(service_autotest, test_service_common);