1 /*
2 * Copyright (c) 2020 Demant
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/types.h>
8 #include <zephyr/ztest.h>
9
10 #include <zephyr/bluetooth/hci.h>
11 #include <zephyr/sys/byteorder.h>
12 #include <zephyr/sys/slist.h>
13 #include <zephyr/sys/util.h>
14 #include "hal/ccm.h"
15
16 #include "util/util.h"
17 #include "util/mem.h"
18 #include "util/memq.h"
19 #include "util/dbuf.h"
20
21 #include "pdu_df.h"
22 #include "lll/pdu_vendor.h"
23 #include "pdu.h"
24 #include "ll.h"
25 #include "ll_settings.h"
26 #include "ll_feat.h"
27
28 #include "lll.h"
29 #include "lll/lll_df_types.h"
30 #include "lll_conn.h"
31 #include "lll_conn_iso.h"
32
33 #include "ull_tx_queue.h"
34
35 #include "isoal.h"
36 #include "ull_iso_types.h"
37 #include "ull_conn_iso_types.h"
38
39 #include "ull_conn_types.h"
40 #include "ull_llcp.h"
41 #include "ull_llcp_internal.h"
42
43 #include "helper_pdu.h"
44 #include "helper_util.h"
45
46 static struct ll_conn conn;
47
version_setup(void * data)48 static void version_setup(void *data)
49 {
50 test_setup(&conn);
51 }
52
53 /* +-----+ +-------+ +-----+
54 * | UT | | LL_A | | LT |
55 * +-----+ +-------+ +-----+
56 * | | |
57 * | Start | |
58 * | Version Exchange Proc. | |
59 * |--------------------------->| |
60 * | | |
61 * | | LL_VERSION_IND |
62 * | |------------------>|
63 * | | |
64 * | | LL_VERSION_IND |
65 * | |<------------------|
66 * | | |
67 * | Version Exchange Proc. | |
68 * | Complete | |
69 * |<---------------------------| |
70 * | | |
71 */
ZTEST(version_central,test_version_exchange_central_loc)72 ZTEST(version_central, test_version_exchange_central_loc)
73 {
74 uint8_t err;
75 struct node_tx *tx;
76 struct node_rx_pdu *ntf;
77
78 struct pdu_data_llctrl_version_ind local_version_ind = {
79 .version_number = LL_VERSION_NUMBER,
80 .company_id = CONFIG_BT_CTLR_COMPANY_ID,
81 .sub_version_number = CONFIG_BT_CTLR_SUBVERSION_NUMBER,
82 };
83
84 struct pdu_data_llctrl_version_ind remote_version_ind = {
85 .version_number = 0x55,
86 .company_id = 0xABCD,
87 .sub_version_number = 0x1234,
88 };
89
90 /* Role */
91 test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
92
93 /* Connect */
94 ull_cp_state_set(&conn, ULL_CP_CONNECTED);
95
96 /* Initiate a Version Exchange Procedure */
97 err = ull_cp_version_exchange(&conn);
98 zassert_equal(err, BT_HCI_ERR_SUCCESS);
99
100 /* Prepare */
101 event_prepare(&conn);
102
103 /* Tx Queue should have one LL Control PDU */
104 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
105 lt_rx_q_is_empty(&conn);
106
107 /* Rx */
108 lt_tx(LL_VERSION_IND, &conn, &remote_version_ind);
109
110 /* Done */
111 event_done(&conn);
112
113 /* There should be one host notification */
114 ut_rx_pdu(LL_VERSION_IND, &ntf, &remote_version_ind);
115 ut_rx_q_is_empty();
116
117 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
118 "Free CTX buffers %d", llcp_ctx_buffers_free());
119 }
120
121 /* +-----+ +-------+ +-----+
122 * | UT | | LL_A | | LT |
123 * +-----+ +-------+ +-----+
124 * | | |
125 * | Start | |
126 * | Version Exchange Proc. | |
127 * |--------------------------->| |
128 * | | |
129 * | | LL_VERSION_IND |
130 * | |------------------>|
131 * | | |
132 * | | LL_<INVALID>_RSP |
133 * | |<------------------|
134 * | | |
135 * ~~~~~~~~~~~~~~~~~~~ TERMINATE CONN ~~~~~~~~~~~~~~~~~~
136 * | | |
137 */
ZTEST(version_central,test_version_exchange_central_loc_invalid_rsp)138 ZTEST(version_central, test_version_exchange_central_loc_invalid_rsp)
139 {
140 uint8_t err;
141 struct node_tx *tx;
142
143 struct pdu_data_llctrl_version_ind local_version_ind = {
144 .version_number = LL_VERSION_NUMBER,
145 .company_id = CONFIG_BT_CTLR_COMPANY_ID,
146 .sub_version_number = CONFIG_BT_CTLR_SUBVERSION_NUMBER,
147 };
148
149 struct pdu_data_llctrl_unknown_rsp unknown_rsp = {
150 .type = PDU_DATA_LLCTRL_TYPE_VERSION_IND
151 };
152
153 struct pdu_data_llctrl_reject_ext_ind reject_ext_ind = {
154 .reject_opcode = PDU_DATA_LLCTRL_TYPE_VERSION_IND,
155 .error_code = BT_HCI_ERR_LL_PROC_COLLISION
156 };
157
158 struct pdu_data_llctrl_reject_ind reject_ind = {
159 .error_code = BT_HCI_ERR_LL_PROC_COLLISION
160 };
161
162 /* Role */
163 test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
164
165 /* Connect */
166 ull_cp_state_set(&conn, ULL_CP_CONNECTED);
167
168 /* Initiate a Version Exchange Procedure */
169 err = ull_cp_version_exchange(&conn);
170 zassert_equal(err, BT_HCI_ERR_SUCCESS);
171
172 /* Prepare */
173 event_prepare(&conn);
174
175 /* Tx Queue should have one LL Control PDU */
176 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
177 lt_rx_q_is_empty(&conn);
178
179 /* Rx */
180 lt_tx(LL_UNKNOWN_RSP, &conn, &unknown_rsp);
181
182 /* Done */
183 event_done(&conn);
184
185 /* Release Tx */
186 ull_cp_release_tx(&conn, tx);
187
188 /* Termination 'triggered' */
189 zassert_equal(conn.llcp_terminate.reason_final, BT_HCI_ERR_LMP_PDU_NOT_ALLOWED,
190 "Terminate reason %d", conn.llcp_terminate.reason_final);
191
192 /* Clear termination flag for subsequent test cycle */
193 conn.llcp_terminate.reason_final = 0;
194
195 /* There should be no host notifications */
196 ut_rx_q_is_empty();
197
198 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
199 "Free CTX buffers %d", llcp_ctx_buffers_free());
200
201 /* Cheat, to allow second VEX */
202 conn.llcp.vex.sent = 0;
203
204 /* Initiate another Version Exchange Procedure */
205 err = ull_cp_version_exchange(&conn);
206 zassert_equal(err, BT_HCI_ERR_SUCCESS);
207
208 /* Prepare */
209 event_prepare(&conn);
210
211 /* Tx Queue should have one LL Control PDU */
212 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
213 lt_rx_q_is_empty(&conn);
214
215 /* Rx */
216 lt_tx(LL_REJECT_EXT_IND, &conn, &reject_ext_ind);
217
218 /* Done */
219 event_done(&conn);
220
221 /* Release Tx */
222 ull_cp_release_tx(&conn, tx);
223
224 /* Termination 'triggered' */
225 zassert_equal(conn.llcp_terminate.reason_final, BT_HCI_ERR_LMP_PDU_NOT_ALLOWED,
226 "Terminate reason %d", conn.llcp_terminate.reason_final);
227
228 /* Clear termination flag for subsequent test cycle */
229 conn.llcp_terminate.reason_final = 0;
230
231 /* There should be no host notifications */
232 ut_rx_q_is_empty();
233
234 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
235 "Free CTX buffers %d", llcp_ctx_buffers_free());
236
237 /* Cheat, to allow second VEX */
238 conn.llcp.vex.sent = 0;
239
240 /* Initiate yet another Version Exchange Procedure */
241 err = ull_cp_version_exchange(&conn);
242 zassert_equal(err, BT_HCI_ERR_SUCCESS);
243
244 /* Prepare */
245 event_prepare(&conn);
246
247 /* Tx Queue should have one LL Control PDU */
248 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
249 lt_rx_q_is_empty(&conn);
250
251 /* Rx */
252 lt_tx(LL_REJECT_IND, &conn, &reject_ind);
253
254 /* Done */
255 event_done(&conn);
256
257 /* Release Tx */
258 ull_cp_release_tx(&conn, tx);
259
260 /* Termination 'triggered' */
261 zassert_equal(conn.llcp_terminate.reason_final, BT_HCI_ERR_LMP_PDU_NOT_ALLOWED,
262 "Terminate reason %d", conn.llcp_terminate.reason_final);
263
264 /* There should be no host notifications */
265 ut_rx_q_is_empty();
266
267 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
268 "Free CTX buffers %d", llcp_ctx_buffers_free());
269 }
270
ZTEST(version_central,test_version_exchange_central_loc_2)271 ZTEST(version_central, test_version_exchange_central_loc_2)
272 {
273 uint8_t err;
274
275 ull_cp_init();
276 ull_tx_q_init(&conn.tx_q);
277 ull_llcp_init(&conn);
278
279 err = ull_cp_version_exchange(&conn);
280
281 for (int i = 0U; i < CONFIG_BT_CTLR_LLCP_LOCAL_PROC_CTX_BUF_NUM; i++) {
282 zassert_equal(err, BT_HCI_ERR_SUCCESS);
283 err = ull_cp_version_exchange(&conn);
284 }
285
286 zassert_not_equal(err, BT_HCI_ERR_SUCCESS, NULL);
287
288 zassert_equal(llcp_ctx_buffers_free(),
289 test_ctx_buffers_cnt() - CONFIG_BT_CTLR_LLCP_LOCAL_PROC_CTX_BUF_NUM,
290 "Free CTX buffers %d", llcp_ctx_buffers_free());
291 }
292
293 /* +-----+ +-------+ +-----+
294 * | UT | | LL_A | | LT |
295 * +-----+ +-------+ +-----+
296 * | | |
297 * | | LL_VERSION_IND |
298 * | |<------------------|
299 * | | |
300 * | | LL_VERSION_IND |
301 * | |------------------>|
302 * | | |
303 */
ZTEST(version_central,test_version_exchange_central_rem)304 ZTEST(version_central, test_version_exchange_central_rem)
305 {
306 struct node_tx *tx;
307
308 struct pdu_data_llctrl_version_ind local_version_ind = {
309 .version_number = LL_VERSION_NUMBER,
310 .company_id = CONFIG_BT_CTLR_COMPANY_ID,
311 .sub_version_number = CONFIG_BT_CTLR_SUBVERSION_NUMBER,
312 };
313
314 struct pdu_data_llctrl_version_ind remote_version_ind = {
315 .version_number = 0x55,
316 .company_id = 0xABCD,
317 .sub_version_number = 0x1234,
318 };
319
320 /* Role */
321 test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
322
323 /* Connect */
324 ull_cp_state_set(&conn, ULL_CP_CONNECTED);
325
326 /* Prepare */
327 event_prepare(&conn);
328
329 /* Rx */
330 lt_tx(LL_VERSION_IND, &conn, &remote_version_ind);
331
332 /* Done */
333 event_done(&conn);
334
335 /* Prepare */
336 event_prepare(&conn);
337
338 /* Tx Queue should have one LL Control PDU */
339 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
340 lt_rx_q_is_empty(&conn);
341
342 /* Done */
343 event_done(&conn);
344
345 /* There should not be a host notifications */
346 ut_rx_q_is_empty();
347
348 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
349 "Free CTX buffers %d", llcp_ctx_buffers_free());
350 }
351
352 /* +-----+ +-------+ +-----+
353 * | UT | | LL_A | | LT |
354 * +-----+ +-------+ +-----+
355 * | | |
356 * | | LL_VERSION_IND |
357 * | |<------------------|
358 * | | |
359 * | | LL_VERSION_IND |
360 * | |------------------>|
361 * | | |
362 * | Start | |
363 * | Version Exchange Proc. | |
364 * |--------------------------->| |
365 * | | |
366 * | Version Exchange Proc. | |
367 * | Complete | |
368 * |<---------------------------| |
369 * | | |
370 */
ZTEST(version_central,test_version_exchange_central_rem_2)371 ZTEST(version_central, test_version_exchange_central_rem_2)
372 {
373 uint8_t err;
374 struct node_tx *tx;
375 struct node_rx_pdu *ntf;
376
377 struct pdu_data_llctrl_version_ind local_version_ind = {
378 .version_number = LL_VERSION_NUMBER,
379 .company_id = CONFIG_BT_CTLR_COMPANY_ID,
380 .sub_version_number = CONFIG_BT_CTLR_SUBVERSION_NUMBER,
381 };
382
383 struct pdu_data_llctrl_version_ind remote_version_ind = {
384 .version_number = 0x55,
385 .company_id = 0xABCD,
386 .sub_version_number = 0x1234,
387 };
388
389 /* Role */
390 test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
391
392 /* Connect */
393 ull_cp_state_set(&conn, ULL_CP_CONNECTED);
394
395 /* Rx */
396 lt_tx(LL_VERSION_IND, &conn, &remote_version_ind);
397
398 /* Initiate a Version Exchange Procedure */
399 err = ull_cp_version_exchange(&conn);
400 zassert_equal(err, BT_HCI_ERR_SUCCESS);
401
402 /* Prepare */
403 event_prepare(&conn);
404
405 /* Tx Queue should have one LL Control PDU */
406 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
407 lt_rx_q_is_empty(&conn);
408
409 /* Done */
410 event_done(&conn);
411
412 /* There should be one host notification */
413 ut_rx_pdu(LL_VERSION_IND, &ntf, &remote_version_ind);
414 ut_rx_q_is_empty();
415
416 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
417 "Free CTX buffers %d", llcp_ctx_buffers_free());
418 }
419
420 /* +-----+ +-------+ +-----+
421 * | UT | | LL_A | | LT |
422 * +-----+ +-------+ +-----+
423 * | | |
424 * | Start | |
425 * | Version Exchange Proc. | |
426 * |--------------------------->| |
427 * | | |
428 * | | LL_VERSION_IND |
429 * | |------------------>|
430 * | | |
431 * | | LL_VERSION_IND |
432 * | |<------------------|
433 * | | |
434 * | Version Exchange Proc. | |
435 * | Complete | |
436 * |<---------------------------| |
437 * | Start | |
438 * | Version Exchange Proc. | |
439 * |--------------------------->| |
440 * | | |
441 * | Version Exchange Proc. | |
442 * | Complete | |
443 * |<---------------------------| |
444 * | | |
445 */
ZTEST(version_central,test_version_exchange_central_loc_twice)446 ZTEST(version_central, test_version_exchange_central_loc_twice)
447 {
448 uint8_t err;
449 struct node_tx *tx;
450 struct node_rx_pdu *ntf;
451
452 struct pdu_data_llctrl_version_ind local_version_ind = {
453 .version_number = LL_VERSION_NUMBER,
454 .company_id = CONFIG_BT_CTLR_COMPANY_ID,
455 .sub_version_number = CONFIG_BT_CTLR_SUBVERSION_NUMBER,
456 };
457
458 struct pdu_data_llctrl_version_ind remote_version_ind = {
459 .version_number = 0x55,
460 .company_id = 0xABCD,
461 .sub_version_number = 0x1234,
462 };
463
464 /* Role */
465 test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
466
467 /* Connect */
468 ull_cp_state_set(&conn, ULL_CP_CONNECTED);
469
470 /* Initiate a Version Exchange Procedure */
471 err = ull_cp_version_exchange(&conn);
472 zassert_equal(err, BT_HCI_ERR_SUCCESS);
473
474 /* Initiate a Version Exchange Procedure */
475 err = ull_cp_version_exchange(&conn);
476 zassert_equal(err, BT_HCI_ERR_SUCCESS);
477
478 /* Prepare */
479 event_prepare(&conn);
480
481 /* Tx Queue should have one LL Control PDU */
482 lt_rx(LL_VERSION_IND, &conn, &tx, &local_version_ind);
483 lt_rx_q_is_empty(&conn);
484
485 /* Rx */
486 lt_tx(LL_VERSION_IND, &conn, &remote_version_ind);
487
488 /* Done */
489 event_done(&conn);
490
491 /* There should be one host notification */
492 ut_rx_pdu(LL_VERSION_IND, &ntf, &remote_version_ind);
493 ut_rx_q_is_empty();
494
495 /* Prepare */
496 event_prepare(&conn);
497
498 /* Done */
499 event_done(&conn);
500
501 /* Cached values should be used, no over the air comm */
502 lt_rx_q_is_empty(&conn);
503
504 /* There should be one host notification */
505 ut_rx_pdu(LL_VERSION_IND, &ntf, &remote_version_ind);
506 ut_rx_q_is_empty();
507
508 /* Second attempt to run the version exchange completes immediately in idle state.
509 * The context is released just after that.
510 */
511 zassert_equal(llcp_ctx_buffers_free(), test_ctx_buffers_cnt(),
512 "Free CTX buffers %d", llcp_ctx_buffers_free());
513 }
514
515 ZTEST_SUITE(version_central, NULL, NULL, version_setup, NULL, NULL);
516
