227 	int err;  in send_test_frame()  local
229 	err = can_send(dev, frame, TEST_SEND_TIMEOUT, NULL, NULL);  in send_test_frame()
230 	zassert_not_equal(err, -EBUSY, "arbitration lost in loopback mode");  in send_test_frame()
231 	zassert_equal(err, 0, "failed to send frame (err %d)", err);  in send_test_frame()
247 	int err;  in send_test_frame_nowait()  local
249 	err = can_send(dev, frame, TEST_SEND_TIMEOUT, callback, (void *)frame);  in send_test_frame_nowait()
250 	zassert_not_equal(err, -EBUSY, "arbitration lost in loopback mode");  in send_test_frame_nowait()
251 	zassert_equal(err, 0, "failed to send frame (err %d)", err);  in send_test_frame_nowait()
314 	int err;  in send_receive()  local
321 	err = k_msgq_get(&can_msgq, &frame_buffer, TEST_RECEIVE_TIMEOUT);  in send_receive()
322 	zassert_equal(err, 0, "receive timeout");  in send_receive()
371 	err = k_sem_take(&rx_callback_sem, TEST_RECEIVE_TIMEOUT);  in send_receive()
372 	zassert_equal(err, 0, "receive timeout");  in send_receive()
374 	err = k_sem_take(&rx_callback_sem, TEST_RECEIVE_TIMEOUT);  in send_receive()
375 	zassert_equal(err, 0, "receive timeout");  in send_receive()
377 	err = k_sem_take(&tx_callback_sem, TEST_SEND_TIMEOUT);  in send_receive()
378 	zassert_equal(err, 0, "missing TX callback");  in send_receive()
380 	err = k_sem_take(&tx_callback_sem, TEST_SEND_TIMEOUT);  in send_receive()
381 	zassert_equal(err, 0, "missing TX callback");  in send_receive()
402 	int err;  in send_receive_rtr()  local
409 	err = can_send(can_dev, rtr_frame, TEST_SEND_TIMEOUT, NULL, NULL);  in send_receive_rtr()
410 	if (err == -ENOTSUP) {  in send_receive_rtr()
415 	zassert_equal(err, 0, "failed to send RTR frame (err %d)", err);  in send_receive_rtr()
417 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in send_receive_rtr()
418 	zassert_equal(err, 0, "receive timeout");  in send_receive_rtr()
423 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in send_receive_rtr()
424 	zassert_equal(err, 0, "receive timeout");  in send_receive_rtr()
436 	int err;  in ZTEST_USER()  local
438 	err = can_get_core_clock(can_dev, &rate);  in ZTEST_USER()
439 	zassert_equal(err, 0, "failed to get CAN core clock rate (err %d)", err);  in ZTEST_USER()
449 	int err;  in ZTEST_USER()  local
451 	err = can_get_capabilities(can_dev, &cap);  in ZTEST_USER()
452 	zassert_equal(err, 0, "failed to get CAN capabilities (err %d)", err);  in ZTEST_USER()
495 	int err;  in ZTEST_USER()  local
501 	err = can_stop(can_dev);  in ZTEST_USER()
502 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
504 	err = can_set_bitrate(can_dev, min - 1);  in ZTEST_USER()
505 	zassert_equal(err, -ENOTSUP, "too low bitrate accepted");  in ZTEST_USER()
507 	err = can_set_bitrate(can_dev, CONFIG_CAN_DEFAULT_BITRATE);  in ZTEST_USER()
508 	zassert_equal(err, 0, "failed to restore default bitrate");  in ZTEST_USER()
510 	err = can_start(can_dev);  in ZTEST_USER()
511 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
520 	int err;  in ZTEST_USER()  local
522 	err = can_stop(can_dev);  in ZTEST_USER()
523 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
525 	err = can_set_bitrate(can_dev, max + 1);  in ZTEST_USER()
526 	zassert_equal(err, -ENOTSUP, "too high bitrate accepted");  in ZTEST_USER()
528 	err = can_start(can_dev);  in ZTEST_USER()
529 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
538 	int err;  in ZTEST_USER()  local
540 	err = can_calc_timing(can_dev, &timing, TEST_BITRATE_1, 1000);  in ZTEST_USER()
541 	zassert_equal(err, -EINVAL, "invalid sample point of 100.0% accepted (err %d)", err);  in ZTEST_USER()
549 	int err;  in ZTEST_USER()  local
551 	err = can_stop(can_dev);  in ZTEST_USER()
552 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
554 	err = can_set_bitrate(can_dev, TEST_BITRATE_1);  in ZTEST_USER()
555 	zassert_equal(err, 0, "failed to set bitrate");  in ZTEST_USER()
557 	err = can_set_bitrate(can_dev, CONFIG_CAN_DEFAULT_BITRATE);  in ZTEST_USER()
558 	zassert_equal(err, 0, "failed to restore default bitrate");  in ZTEST_USER()
560 	err = can_start(can_dev);  in ZTEST_USER()
561 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
569 	int err;  in ZTEST_USER()  local
571 	err = can_stop(can_dev);  in ZTEST_USER()
572 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
574 	err = can_set_timing(can_dev, can_get_timing_min(can_dev));  in ZTEST_USER()
575 	zassert_equal(err, 0, "failed to set minimum timing parameters (err %d)", err);  in ZTEST_USER()
577 	err = can_set_bitrate(can_dev, CONFIG_CAN_DEFAULT_BITRATE);  in ZTEST_USER()
578 	zassert_equal(err, 0, "failed to restore default bitrate");  in ZTEST_USER()
580 	err = can_start(can_dev);  in ZTEST_USER()
581 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
589 	int err;  in ZTEST_USER()  local
591 	err = can_stop(can_dev);  in ZTEST_USER()
592 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
594 	err = can_set_timing(can_dev, can_get_timing_max(can_dev));  in ZTEST_USER()
595 	zassert_equal(err, 0, "failed to set maximum timing parameters (err %d)", err);  in ZTEST_USER()
597 	err = can_set_bitrate(can_dev, CONFIG_CAN_DEFAULT_BITRATE);  in ZTEST_USER()
598 	zassert_equal(err, 0, "failed to restore default bitrate");  in ZTEST_USER()
600 	err = can_start(can_dev);  in ZTEST_USER()
601 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
648 	int err;  in ZTEST()  local
652 	err = can_add_rx_filter(can_dev, NULL, NULL, &test_std_filter_1);  in ZTEST()
653 	zassert_equal(err, -EINVAL, "added filter with NULL callback");  in ZTEST()
785 	int err;  in ZTEST_USER()  local
789 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
790 	zassert_equal(err, -EAGAIN, "received a frame without sending one");  in ZTEST_USER()
800 	int err;  in ZTEST()  local
806 	err = k_sem_take(&tx_callback_sem, TEST_SEND_TIMEOUT);  in ZTEST()
807 	zassert_equal(err, 0, "missing TX callback");  in ZTEST()
818 	int err;  in send_invalid_frame()  local
822 	err = can_send(dev, frame, TEST_SEND_TIMEOUT, NULL, NULL);  in send_invalid_frame()
823 	zassert_equal(err, -EINVAL, "wrong error on sending invalid frame (err %d)", err);  in send_invalid_frame()
908 	int err;  in ZTEST()  local
911 	err = can_send(can_dev, &frame, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST()
912 	zassert_equal(err, 0, "failed to send frame without data (err %d)", err);  in ZTEST()
914 	err = k_msgq_get(&can_msgq, &frame_buffer, TEST_RECEIVE_TIMEOUT);  in ZTEST()
915 	zassert_equal(err, 0, "receive timeout");  in ZTEST()
958 	int err;  in ZTEST_USER()  local
971 		err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
972 		zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
981 		err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
982 		zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1016 	int err;  in ZTEST_USER()  local
1022 	err = can_send(can_dev, &test_std_rtr_frame_1, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST_USER()
1023 	if (err == -ENOTSUP) {  in ZTEST_USER()
1028 	zassert_equal(err, 0, "failed to send RTR frame (err %d)", err);  in ZTEST_USER()
1030 	err = k_msgq_get(&can_msgq, &frame_buffer, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1031 	zassert_equal(err, -EAGAIN, "received a frame that should be rejected");  in ZTEST_USER()
1043 	int err;  in ZTEST_USER()  local
1049 	err = can_send(can_dev, &test_ext_rtr_frame_1, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST_USER()
1050 	if (err == -ENOTSUP) {  in ZTEST_USER()
1055 	zassert_equal(err, 0, "failed to send RTR frame (err %d)", err);  in ZTEST_USER()
1057 	err = k_msgq_get(&can_msgq, &frame_buffer, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1058 	zassert_equal(err, -EAGAIN, "received a frame that should be rejected");  in ZTEST_USER()
1070 	int err;  in ZTEST()  local
1076 	err = k_msgq_get(&can_msgq, &frame_buffer, TEST_RECEIVE_TIMEOUT);  in ZTEST()
1077 	zassert_equal(err, -EAGAIN, "received a frame that should not pass the filter");  in ZTEST()
1088 	int err;  in ZTEST_USER()  local
1093 	err = can_send(can_dev, &frame, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST_USER()
1094 	zassert_equal(err, -EINVAL, "sent a frame with an invalid DLC");  in ZTEST_USER()
1103 	int err;  in ZTEST_USER()  local
1109 	err = can_send(can_dev, &frame, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST_USER()
1110 	zassert_equal(err, -ENOTSUP, "sent a CAN FD format frame in non-FD mode");  in ZTEST_USER()
1121 	int err;  in ZTEST_USER()  local
1125 	err = can_get_capabilities(can_dev, &cap);  in ZTEST_USER()
1126 	zassert_equal(err, 0, "failed to get CAN capabilities (err %d)", err);  in ZTEST_USER()
1130 		err = can_recover(can_dev, TEST_RECOVER_TIMEOUT);  in ZTEST_USER()
1131 		zassert_equal(err, -ENOTSUP, "wrong error return code (err %d)", err);  in ZTEST_USER()
1133 		err = can_stop(can_dev);  in ZTEST_USER()
1134 		zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1137 		err = can_set_mode(can_dev, CAN_MODE_NORMAL | CAN_MODE_MANUAL_RECOVERY);  in ZTEST_USER()
1138 		zassert_equal(err, 0, "failed to set manual recovery mode (err %d)", err);  in ZTEST_USER()
1141 		err = can_start(can_dev);  in ZTEST_USER()
1142 		zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1145 	err = can_recover(can_dev, TEST_RECOVER_TIMEOUT);  in ZTEST_USER()
1148 		zassert_equal(err, 0, "failed to recover (err %d)", err);  in ZTEST_USER()
1150 		err = can_stop(can_dev);  in ZTEST_USER()
1151 		zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1154 		err = can_set_mode(can_dev, CAN_MODE_LOOPBACK);  in ZTEST_USER()
1155 		zassert_equal(err, 0, "failed to set loopback-mode (err %d)", err);  in ZTEST_USER()
1158 		err = can_start(can_dev);  in ZTEST_USER()
1159 		zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1162 		zassert_equal(err, -ENOSYS, "wrong error return code (err %d)", err);  in ZTEST_USER()
1173 	int err;  in ZTEST_USER()  local
1175 	err = can_get_state(can_dev, NULL, NULL);  in ZTEST_USER()
1176 	zassert_equal(err, 0, "failed to get CAN state without destinations (err %d)", err);  in ZTEST_USER()
1178 	err = can_get_state(can_dev, &state, NULL);  in ZTEST_USER()
1179 	zassert_equal(err, 0, "failed to get CAN state (err %d)", err);  in ZTEST_USER()
1181 	err = can_get_state(can_dev, NULL, &err_cnt);  in ZTEST_USER()
1182 	zassert_equal(err, 0, "failed to get CAN error counters (err %d)", err);  in ZTEST_USER()
1184 	err = can_get_state(can_dev, &state, &err_cnt);  in ZTEST_USER()
1185 	zassert_equal(err, 0, "failed to get CAN state + error counters (err %d)", err);  in ZTEST_USER()
1196 	int err;  in ZTEST_USER()  local
1201 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1202 	zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1205 	err = can_stop(can_dev);  in ZTEST_USER()
1206 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1208 	err = can_get_state(can_dev, &state, NULL);  in ZTEST_USER()
1209 	zassert_equal(err, 0, "failed to get CAN state (err %d)", err);  in ZTEST_USER()
1212 	err = can_set_mode(can_dev, CAN_MODE_NORMAL);  in ZTEST_USER()
1213 	zassert_equal(err, 0, "failed to set normal mode (err %d)", err);  in ZTEST_USER()
1216 	err = can_set_mode(can_dev, CAN_MODE_LOOPBACK);  in ZTEST_USER()
1217 	zassert_equal(err, 0, "failed to set loopback-mode (err %d)", err);  in ZTEST_USER()
1220 	err = can_start(can_dev);  in ZTEST_USER()
1221 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1225 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1226 	zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1240 	int err;  in ZTEST_USER()  local
1245 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1246 	zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1249 	err = can_stop(can_dev);  in ZTEST_USER()
1250 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1252 	err = can_get_state(can_dev, &state, NULL);  in ZTEST_USER()
1253 	zassert_equal(err, 0, "failed to get CAN state (err %d)", err);  in ZTEST_USER()
1256 	err = can_set_bitrate(can_dev, TEST_BITRATE_2);  in ZTEST_USER()
1257 	zassert_equal(err, 0, "failed to set bitrate 2");  in ZTEST_USER()
1259 	err = can_set_bitrate(can_dev, TEST_BITRATE_1);  in ZTEST_USER()
1260 	zassert_equal(err, 0, "failed to set bitrate 1");  in ZTEST_USER()
1262 	err = can_set_bitrate(can_dev, CONFIG_CAN_DEFAULT_BITRATE);  in ZTEST_USER()
1263 	zassert_equal(err, 0, "failed to restore default bitrate");  in ZTEST_USER()
1265 	err = can_start(can_dev);  in ZTEST_USER()
1266 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1270 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1271 	zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1284 	int err;  in ZTEST_USER()  local
1286 	err = can_stop(can_dev);  in ZTEST_USER()
1287 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1291 	err = can_start(can_dev);  in ZTEST_USER()
1292 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1296 	err = k_msgq_get(&can_msgq, &frame, TEST_RECEIVE_TIMEOUT);  in ZTEST_USER()
1297 	zassert_equal(err, 0, "receive timeout");  in ZTEST_USER()
1308 	int err;  in ZTEST_USER()  local
1310 	err = can_stop(can_dev);  in ZTEST_USER()
1311 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1313 	err = can_stop(can_dev);  in ZTEST_USER()
1314 	zassert_not_equal(err, 0, "stopped CAN controller while stopped");  in ZTEST_USER()
1315 	zassert_equal(err, -EALREADY, "wrong error return code (err %d)", err);  in ZTEST_USER()
1317 	err = can_start(can_dev);  in ZTEST_USER()
1318 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1326 	int err;  in ZTEST_USER()  local
1328 	err = can_start(can_dev);  in ZTEST_USER()
1329 	zassert_not_equal(err, 0, "started CAN controller while started");  in ZTEST_USER()
1330 	zassert_equal(err, -EALREADY, "wrong error return code (err %d)", err);  in ZTEST_USER()
1339 	int err;  in ZTEST_USER()  local
1343 	err = can_get_capabilities(can_dev, &cap);  in ZTEST_USER()
1344 	zassert_equal(err, 0, "failed to get CAN capabilities (err %d)", err);  in ZTEST_USER()
1350 	err = can_stop(can_dev);  in ZTEST_USER()
1351 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1353 	err = can_recover(can_dev, K_NO_WAIT);  in ZTEST_USER()
1354 	zassert_not_equal(err, 0, "recovered bus while stopped");  in ZTEST_USER()
1355 	zassert_equal(err, -ENETDOWN, "wrong error return code (err %d)", err);  in ZTEST_USER()
1357 	err = can_start(can_dev);  in ZTEST_USER()
1358 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1366 	int err;  in ZTEST_USER()  local
1368 	err = can_stop(can_dev);  in ZTEST_USER()
1369 	zassert_equal(err, 0, "failed to stop CAN controller (err %d)", err);  in ZTEST_USER()
1371 	err = can_send(can_dev, &test_std_frame_1, TEST_SEND_TIMEOUT, NULL, NULL);  in ZTEST_USER()
1372 	zassert_not_equal(err, 0, "sent a frame in stopped state");  in ZTEST_USER()
1373 	zassert_equal(err, -ENETDOWN, "wrong error return code (err %d)", err);  in ZTEST_USER()
1375 	err = can_start(can_dev);  in ZTEST_USER()
1376 	zassert_equal(err, 0, "failed to start CAN controller (err %d)", err);  in ZTEST_USER()
1384 	int err;  in ZTEST_USER()  local
1386 	err = can_set_bitrate(can_dev, TEST_BITRATE_2);  in ZTEST_USER()
1387 	zassert_not_equal(err, 0, "changed bitrate while started");  in ZTEST_USER()
1388 	zassert_equal(err, -EBUSY, "wrong error return code (err %d)", err);  in ZTEST_USER()
1397 	int err;  in ZTEST_USER()  local
1399 	err = can_calc_timing(can_dev, &timing, TEST_BITRATE_1, TEST_SAMPLE_POINT);  in ZTEST_USER()
1400 	zassert_ok(err, "failed to calculate timing (err %d)", err);  in ZTEST_USER()
1402 	err = can_set_timing(can_dev, &timing);  in ZTEST_USER()
1403 	zassert_not_equal(err, 0, "changed timing while started");  in ZTEST_USER()
1404 	zassert_equal(err, -EBUSY, "wrong error return code (err %d)", err);  in ZTEST_USER()
1412 	int err;  in ZTEST_USER()  local
1414 	err = can_set_mode(can_dev, CAN_MODE_NORMAL);  in ZTEST_USER()
1415 	zassert_not_equal(err, 0, "changed mode while started");  in ZTEST_USER()
1416 	zassert_equal(err, -EBUSY, "wrong error return code (err %d)", err);  in ZTEST_USER()