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33 #include <rte_common.h>
34 #include <rte_hexdump.h>
36 #include <rte_malloc.h>
37 #include <rte_memcpy.h>
38 #include <rte_cycles.h>
40 #include <rte_service.h>
41 #include <rte_service_component.h>
45 /* used as the service core ID */
46 static uint32_t slcore_id;
47 /* used as timestamp to detect if a service core is running */
48 static uint64_t service_tick;
49 /* used as a flag to check if a function was run */
50 static uint32_t service_remote_launch_flag;
52 #define SERVICE_DELAY 1
54 #define DUMMY_SERVICE_NAME "dummy_service"
55 #define MT_SAFE_SERVICE_NAME "mt_safe_service"
60 slcore_id = rte_get_next_lcore(/* start core */ -1,
68 testsuite_teardown(void)
70 /* release service cores? */
73 static int32_t dummy_cb(void *args)
77 rte_delay_ms(SERVICE_DELAY);
81 static int32_t dummy_mt_unsafe_cb(void *args)
83 /* before running test, the initialization has set pass_test to 1.
84 * If the cmpset in service-cores is working correctly, the code here
85 * should never fail to take the lock. If the lock *is* taken, fail the
86 * test, because two threads are concurrently in a non-MT safe callback.
88 uint32_t *test_params = args;
89 uint32_t *atomic_lock = &test_params[0];
90 uint32_t *pass_test = &test_params[1];
91 int lock_taken = rte_atomic32_cmpset(atomic_lock, 0, 1);
93 /* delay with the lock held */
95 rte_atomic32_clear((rte_atomic32_t *)atomic_lock);
97 /* 2nd thread will fail to take lock, so set pass flag */
105 static int32_t dummy_mt_safe_cb(void *args)
107 /* Atomic checks to ensure MT safe services allow > 1 thread to
108 * concurrently run the callback. The concept is as follows;
109 * 1) if lock is available, take the lock then delay
110 * 2) if first lock is taken, and a thread arrives in the CB, we know
111 * that 2 threads are running the callback at the same time: MT safe
113 uint32_t *test_params = args;
114 uint32_t *atomic_lock = &test_params[0];
115 uint32_t *pass_test = &test_params[1];
116 int lock_taken = rte_atomic32_cmpset(atomic_lock, 0, 1);
118 /* delay with the lock held */
120 rte_atomic32_clear((rte_atomic32_t *)atomic_lock);
122 /* 2nd thread will fail to take lock, so set pass flag */
129 /* unregister all services */
135 TEST_ASSERT_EQUAL(-EINVAL, rte_service_component_unregister(1000),
136 "Unregistered invalid service id");
138 uint32_t c = rte_service_get_count();
139 for (i = 0; i < c; i++) {
140 TEST_ASSERT_EQUAL(0, rte_service_component_unregister(i),
141 "Error unregistering a valid service");
144 rte_service_lcore_reset_all();
149 /* register a single dummy service */
153 /* make sure there are no remains from previous tests */
156 struct rte_service_spec service;
157 memset(&service, 0, sizeof(struct rte_service_spec));
159 TEST_ASSERT_EQUAL(-EINVAL,
160 rte_service_component_register(&service, NULL),
162 service.callback = dummy_cb;
164 TEST_ASSERT_EQUAL(-EINVAL,
165 rte_service_component_register(&service, NULL),
167 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
169 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
170 "Failed to register valid service");
175 /* verify get_by_name() service lookup */
177 service_get_by_name(void)
182 TEST_ASSERT_EQUAL(-ENODEV,
183 rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
184 "get by name with invalid name should return -ENODEV");
185 TEST_ASSERT_EQUAL(-EINVAL,
186 rte_service_get_by_name(DUMMY_SERVICE_NAME, 0x0),
187 "get by name with NULL ptr should return -ENODEV");
189 /* register service */
190 struct rte_service_spec service;
191 memset(&service, 0, sizeof(struct rte_service_spec));
192 TEST_ASSERT_EQUAL(-EINVAL,
193 rte_service_component_register(&service, NULL),
195 service.callback = dummy_cb;
196 TEST_ASSERT_EQUAL(-EINVAL,
197 rte_service_component_register(&service, NULL),
199 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
200 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
201 "Failed to register valid service");
203 /* we unregistered all service, now registering 1, should be id 0 */
204 uint32_t service_id_as_expected = 0;
205 TEST_ASSERT_EQUAL(0, rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
206 "Service get_by_name should return 0 on valid inputs");
207 TEST_ASSERT_EQUAL(service_id_as_expected, sid,
208 "Service get_by_name should equal expected id");
212 /* ensure after unregister, get_by_name returns NULL */
213 TEST_ASSERT_EQUAL(-ENODEV,
214 rte_service_get_by_name(DUMMY_SERVICE_NAME, &sid),
215 "get by name should return -ENODEV after unregister");
220 /* verify probe of capabilities */
222 service_probe_capability(void)
226 struct rte_service_spec service;
227 memset(&service, 0, sizeof(struct rte_service_spec));
228 service.callback = dummy_cb;
229 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
230 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
231 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
232 "Register of MT SAFE service failed");
234 /* verify flag is enabled */
235 const uint32_t sid = 0;
236 int32_t mt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);
237 TEST_ASSERT_EQUAL(1, mt, "MT SAFE capability flag not set.");
242 memset(&service, 0, sizeof(struct rte_service_spec));
243 service.callback = dummy_cb;
244 snprintf(service.name, sizeof(service.name), DUMMY_SERVICE_NAME);
245 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
246 "Register of non-MT safe service failed");
248 /* verify flag is enabled */
249 mt = rte_service_probe_capability(sid, RTE_SERVICE_CAP_MT_SAFE);
250 TEST_ASSERT_EQUAL(0, mt, "MT SAFE cap flag set on non MT SAFE service");
252 return unregister_all();
255 /* verify the service name */
259 const char *name = rte_service_get_name(0);
260 int equal = strcmp(name, DUMMY_SERVICE_NAME);
261 TEST_ASSERT_EQUAL(0, equal, "Error: Service name not correct");
263 return unregister_all();
266 /* verify service dump */
270 const uint32_t sid = 0;
271 rte_service_set_stats_enable(sid, 1);
272 rte_service_dump(stdout, 0);
273 rte_service_set_stats_enable(sid, 0);
274 rte_service_dump(stdout, 0);
275 return unregister_all();
278 /* start and stop a service */
280 service_start_stop(void)
282 const uint32_t sid = 0;
284 /* runstate_get() returns if service is running and slcore is mapped */
285 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
286 "Service core add did not return zero");
287 int ret = rte_service_map_lcore_set(sid, slcore_id, 1);
288 TEST_ASSERT_EQUAL(0, ret,
289 "Enabling service core, expected 0 got %d", ret);
291 TEST_ASSERT_EQUAL(0, rte_service_runstate_get(sid),
292 "Error: Service should be stopped");
294 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
295 "Error: Service stopped returned non-zero");
297 TEST_ASSERT_EQUAL(0, rte_service_runstate_get(sid),
298 "Error: Service is running - should be stopped");
300 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
301 "Error: Service start returned non-zero");
303 TEST_ASSERT_EQUAL(1, rte_service_runstate_get(sid),
304 "Error: Service is not running");
306 return unregister_all();
311 service_remote_launch_func(void *arg)
314 service_remote_launch_flag = 1;
318 /* enable and disable a lcore for a service */
320 service_lcore_en_dis_able(void)
322 const uint32_t sid = 0;
324 /* expected failure cases */
325 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, 100000, 1),
326 "Enable on invalid core did not fail");
327 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, 100000, 0),
328 "Disable on invalid core did not fail");
330 /* add service core to allow enabling */
331 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
332 "Add service core failed when not in use before");
335 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 1),
336 "Enabling valid service and core failed");
337 TEST_ASSERT_EQUAL(1, rte_service_map_lcore_get(sid, slcore_id),
338 "Enabled core returned not-enabled");
341 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 0),
342 "Disabling valid service and lcore failed");
343 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_get(sid, slcore_id),
344 "Disabled core returned enabled");
346 /* call remote_launch to verify that app can launch ex-service lcore */
347 service_remote_launch_flag = 0;
348 int ret = rte_eal_remote_launch(service_remote_launch_func, NULL,
350 TEST_ASSERT_EQUAL(0, ret, "Ex-service core remote launch failed.");
351 rte_eal_mp_wait_lcore();
352 TEST_ASSERT_EQUAL(1, service_remote_launch_flag,
353 "Ex-service core function call had no effect.");
355 return unregister_all();
359 service_lcore_running_check(void)
361 uint64_t tick = service_tick;
362 rte_delay_ms(SERVICE_DELAY * 10);
363 /* if (tick != service_tick) we know the lcore as polled the service */
364 return tick != service_tick;
368 service_lcore_add_del(void)
370 /* check initial count */
371 TEST_ASSERT_EQUAL(0, rte_service_lcore_count(),
372 "Service lcore count has value before adding a lcore");
374 /* check service lcore add */
375 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
376 "Add service core failed when not in use before");
377 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_add(slcore_id),
378 "Add service core failed to refuse in-use lcore");
381 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
382 "Service core count not equal to one");
384 /* retrieve core list, checking lcore ids */
385 const uint32_t size = 4;
386 uint32_t service_core_ids[size];
387 int32_t n = rte_service_lcore_list(service_core_ids, size);
388 TEST_ASSERT_EQUAL(1, n, "Service core list return should equal 1");
389 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
390 "Service core list lcore must equal slcore_id");
392 /* recheck count, add more cores, and check count */
393 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
394 "Service core count not equal to one");
395 uint32_t slcore_1 = rte_get_next_lcore(/* start core */ -1,
398 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_1),
399 "Service core add did not return zero");
400 uint32_t slcore_2 = rte_get_next_lcore(/* start core */ slcore_1,
403 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_2),
404 "Service core add did not return zero");
406 uint32_t count = rte_service_lcore_count();
407 const uint32_t cores_at_this_point = 3;
408 TEST_ASSERT_EQUAL(cores_at_this_point, count,
409 "Service core count %d, expected %d", count,
410 cores_at_this_point);
412 /* check longer service core list */
413 n = rte_service_lcore_list(service_core_ids, size);
414 TEST_ASSERT_EQUAL(3, n, "Service core list return should equal 3");
415 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
416 "Service core list[0] lcore must equal 1");
417 TEST_ASSERT_EQUAL(slcore_1, service_core_ids[1],
418 "Service core list[1] lcore must equal 2");
419 TEST_ASSERT_EQUAL(slcore_2, service_core_ids[2],
420 "Service core list[2] lcore must equal 3");
422 /* recheck count, remove lcores, check remaining lcore_id is correct */
423 TEST_ASSERT_EQUAL(3, rte_service_lcore_count(),
424 "Service core count not equal to three");
425 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_1),
426 "Service core add did not return zero");
427 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_2),
428 "Service core add did not return zero");
429 TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
430 "Service core count not equal to one");
431 n = rte_service_lcore_list(service_core_ids, size);
432 TEST_ASSERT_EQUAL(1, n, "Service core list return should equal one");
433 TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
434 "Service core list[0] lcore must equal %d",
437 return unregister_all();
441 service_threaded_test(int mt_safe)
445 /* add next 2 cores */
446 uint32_t slcore_1 = rte_get_next_lcore(/* start core */ -1,
449 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_1),
450 "mt safe lcore add fail");
451 uint32_t slcore_2 = rte_get_next_lcore(/* start core */ slcore_1,
454 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_2),
455 "mt safe lcore add fail");
457 /* Use atomic locks to verify that two threads are in the same function
458 * at the same time. These are passed to the unit tests through the
459 * callback userdata parameter
461 uint32_t test_params[2];
462 memset(test_params, 0, sizeof(uint32_t) * 2);
464 /* register MT safe service. */
465 struct rte_service_spec service;
466 memset(&service, 0, sizeof(struct rte_service_spec));
467 service.callback_userdata = test_params;
468 snprintf(service.name, sizeof(service.name), MT_SAFE_SERVICE_NAME);
471 service.callback = dummy_mt_safe_cb;
472 service.capabilities |= RTE_SERVICE_CAP_MT_SAFE;
474 /* initialize to pass, see callback comment for details */
476 service.callback = dummy_mt_unsafe_cb;
479 TEST_ASSERT_EQUAL(0, rte_service_component_register(&service, NULL),
480 "Register of MT SAFE service failed");
482 const uint32_t sid = 0;
483 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
484 "Starting valid service failed");
485 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_1, 1),
486 "Failed to enable lcore 1 on mt safe service");
487 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_2, 1),
488 "Failed to enable lcore 2 on mt safe service");
489 rte_service_lcore_start(slcore_1);
490 rte_service_lcore_start(slcore_2);
492 /* wait for the worker threads to run */
494 rte_service_lcore_stop(slcore_1);
495 rte_service_lcore_stop(slcore_2);
497 TEST_ASSERT_EQUAL(1, test_params[1],
498 "MT Safe service not run by two cores concurrently");
500 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 0),
501 "Failed to stop MT Safe service");
505 /* return the value of the callback pass_test variable to caller */
506 return test_params[1];
509 /* tests an MT SAFE service with two cores. The callback function ensures that
510 * two threads access the callback concurrently.
513 service_mt_safe_poll(void)
516 TEST_ASSERT_EQUAL(1, service_threaded_test(mt_safe),
517 "Error: MT Safe service not run by two cores concurrently");
521 /* tests a NON mt safe service with two cores, the callback is serialized
522 * using the atomic cmpset.
525 service_mt_unsafe_poll(void)
528 TEST_ASSERT_EQUAL(1, service_threaded_test(mt_safe),
529 "Error: NON MT Safe service run by two cores concurrently");
533 /* start and stop a service core - ensuring it goes back to sleep */
535 service_lcore_start_stop(void)
537 /* start service core and service, create mapping so tick() runs */
538 const uint32_t sid = 0;
539 TEST_ASSERT_EQUAL(0, rte_service_runstate_set(sid, 1),
540 "Starting valid service failed");
541 TEST_ASSERT_EQUAL(-EINVAL, rte_service_map_lcore_set(sid, slcore_id, 1),
542 "Enabling valid service on non-service core must fail");
545 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_start(slcore_id),
546 "Service core start without add should return EINVAL");
547 TEST_ASSERT_EQUAL(0, rte_service_lcore_add(slcore_id),
548 "Service core add did not return zero");
549 TEST_ASSERT_EQUAL(0, rte_service_map_lcore_set(sid, slcore_id, 1),
550 "Enabling valid service on valid core failed");
551 TEST_ASSERT_EQUAL(0, rte_service_lcore_start(slcore_id),
552 "Service core start after add failed");
553 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_start(slcore_id),
554 "Service core expected as running but was stopped");
556 /* ensures core really is running the service function */
557 TEST_ASSERT_EQUAL(1, service_lcore_running_check(),
558 "Service core expected to poll service but it didn't");
561 TEST_ASSERT_EQUAL(-EINVAL, rte_service_lcore_stop(100000),
562 "Invalid Service core stop should return -EINVAL");
563 TEST_ASSERT_EQUAL(0, rte_service_lcore_stop(slcore_id),
564 "Service core stop expected to return 0");
565 TEST_ASSERT_EQUAL(-EALREADY, rte_service_lcore_stop(slcore_id),
566 "Already stopped service core should return -EALREADY");
568 /* ensure service is not longer running */
569 TEST_ASSERT_EQUAL(0, service_lcore_running_check(),
570 "Service core expected to poll service but it didn't");
572 TEST_ASSERT_EQUAL(0, rte_service_lcore_del(slcore_id),
573 "Service core del did not return zero");
575 return unregister_all();
578 static struct unit_test_suite service_tests = {
579 .suite_name = "service core test suite",
580 .setup = testsuite_setup,
581 .teardown = testsuite_teardown,
583 TEST_CASE_ST(dummy_register, NULL, unregister_all),
584 TEST_CASE_ST(dummy_register, NULL, service_name),
585 TEST_CASE_ST(dummy_register, NULL, service_get_by_name),
586 TEST_CASE_ST(dummy_register, NULL, service_dump),
587 TEST_CASE_ST(dummy_register, NULL, service_probe_capability),
588 TEST_CASE_ST(dummy_register, NULL, service_start_stop),
589 TEST_CASE_ST(dummy_register, NULL, service_lcore_add_del),
590 TEST_CASE_ST(dummy_register, NULL, service_lcore_start_stop),
591 TEST_CASE_ST(dummy_register, NULL, service_lcore_en_dis_able),
592 TEST_CASE_ST(dummy_register, NULL, service_mt_unsafe_poll),
593 TEST_CASE_ST(dummy_register, NULL, service_mt_safe_poll),
594 TEST_CASES_END() /**< NULL terminate unit test array */
599 test_service_common(void)
601 return unit_test_suite_runner(&service_tests);
604 REGISTER_TEST_COMMAND(service_autotest, test_service_common);