xref: /btstack/src/mesh/mesh_configuration_client.c (revision 82cfc808ca6742e15ec4a6279aeb0c7e872d1ce7)
1 /*
2  * Copyright (C) 2019 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define BTSTACK_FILE__ "mesh_configuration_client.c"
39 
40 #include <string.h>
41 #include <stdio.h>
42 
43 #include "mesh/mesh_configuration_client.h"
44 
45 #include "bluetooth_company_id.h"
46 #include "btstack_debug.h"
47 #include "btstack_memory.h"
48 #include "btstack_util.h"
49 
50 #include "mesh/mesh_access.h"
51 #include "mesh/mesh_foundation.h"
52 #include "mesh/mesh_generic_model.h"
53 #include "mesh/mesh_keys.h"
54 #include "mesh/mesh_network.h"
55 #include "mesh/mesh_upper_transport.h"
56 
57 
58 // Mesh Composition Data Element iterator
59 #define MESH_VENDOR_MODEL_SIZE                                  4
60 #define MESH_SIG_MODEL_SIZE                                     2
61 #define MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET       17
62 #define MESH_COMPOSITION_DATA_ELEMENT_LOCATION_DESCRIPTOR_LEN   2
63 #define MESH_COMPOSITION_DATA_ELEMENT_MODEL_SIZE_LEN            1
64 
65 static inline uint16_t mesh_composition_data_iterator_sig_model_list_size(mesh_composite_data_iterator_t * it){
66     return it->elements[it->offset + 2] * MESH_SIG_MODEL_SIZE;
67 }
68 
69 static inline uint16_t mesh_composition_data_iterator_vendor_model_list_size(mesh_composite_data_iterator_t * it){
70     return it->elements[it->offset + 3] * MESH_VENDOR_MODEL_SIZE;
71 }
72 
73 static inline uint16_t mesh_composition_data_iterator_element_len(mesh_composite_data_iterator_t * it){
74     uint16_t sig_model_list_size    = mesh_composition_data_iterator_sig_model_list_size(it);
75     uint16_t vendor_model_list_size = mesh_composition_data_iterator_vendor_model_list_size(it);
76     uint16_t previous_fields_len = MESH_COMPOSITION_DATA_ELEMENT_LOCATION_DESCRIPTOR_LEN + 2 * MESH_COMPOSITION_DATA_ELEMENT_MODEL_SIZE_LEN;
77 
78     return previous_fields_len + sig_model_list_size + vendor_model_list_size;;
79 }
80 
81 uint16_t mesh_subevent_configuration_composition_data_get_num_elements(const uint8_t * event, uint16_t size){
82     uint16_t pos = MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET;
83     uint16_t num_elements = 0;
84 
85     while ((pos + 4) <= size){
86         // location descriptor
87         pos += 2;
88         uint8_t num_sig_model_ids = event[pos++];
89         uint8_t num_vendor_model_ids = event[pos++];
90         pos += (num_sig_model_ids + num_vendor_model_ids) * 2;
91         num_elements++;
92     }
93     return num_elements;
94 }
95 
96 void mesh_composition_data_iterator_init(mesh_composite_data_iterator_t * it, const uint8_t * elements, uint16_t size){
97     it->elements = elements;
98     it->size = size;
99     it->offset = MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET;
100 }
101 
102 bool mesh_composition_data_iterator_has_next_element(mesh_composite_data_iterator_t * it){
103     return (it->offset + mesh_composition_data_iterator_element_len(it)) <= it->size;
104 }
105 
106 void mesh_composition_data_iterator_next_element(mesh_composite_data_iterator_t * it){
107     it->sig_model_iterator.models = &it->elements[it->offset + 4];
108     it->sig_model_iterator.size = mesh_composition_data_iterator_sig_model_list_size(it);
109     it->sig_model_iterator.offset = 0;
110 
111     it->vendor_model_iterator.models = &it->elements[it->offset + 4 + it->sig_model_iterator.size];
112     it->vendor_model_iterator.size = mesh_composition_data_iterator_vendor_model_list_size(it);
113     it->vendor_model_iterator.offset = 0;
114 
115     it->loc = little_endian_read_16(it->elements, it->offset);
116     it->offset += mesh_composition_data_iterator_element_len(it);
117 }
118 
119 uint16_t mesh_composition_data_iterator_element_loc(mesh_composite_data_iterator_t * it){
120     return it->loc;
121 }
122 
123 bool mesh_composition_data_iterator_has_next_sig_model(mesh_composite_data_iterator_t * it){
124     return (it->sig_model_iterator.offset + MESH_SIG_MODEL_SIZE) <= it->sig_model_iterator.size;
125 }
126 
127 void mesh_composition_data_iterator_next_sig_model(mesh_composite_data_iterator_t * it){
128     it->sig_model_iterator.id = little_endian_read_16(it->sig_model_iterator.models, it->sig_model_iterator.offset);
129     it->sig_model_iterator.offset += 2;
130 }
131 
132 uint16_t mesh_composition_data_iterator_sig_model_id(mesh_composite_data_iterator_t * it){
133     return (uint16_t)it->sig_model_iterator.id;
134 }
135 
136 bool mesh_composition_data_iterator_has_next_vendor_model(mesh_composite_data_iterator_t * it){
137     return (it->vendor_model_iterator.offset + MESH_VENDOR_MODEL_SIZE) <= it->vendor_model_iterator.size;
138 }
139 
140 void mesh_composition_data_iterator_next_vendor_model(mesh_composite_data_iterator_t * it){
141     uint16_t vendor_id = little_endian_read_16(it->vendor_model_iterator.models, it->vendor_model_iterator.offset);
142     it->vendor_model_iterator.offset += 2;
143     uint16_t model_id = little_endian_read_16(it->vendor_model_iterator.models, it->vendor_model_iterator.offset);
144     it->vendor_model_iterator.offset += 2;
145     it->vendor_model_iterator.id = mesh_model_get_model_identifier(vendor_id, model_id);
146 }
147 
148 uint32_t mesh_composition_data_iterator_vendor_model_id(mesh_composite_data_iterator_t * it){
149     return it->vendor_model_iterator.id;
150 }
151 
152 // Configuration client messages
153 
154 static const mesh_access_message_t mesh_configuration_client_beacon_get = {
155         MESH_FOUNDATION_OPERATION_BEACON_GET, ""
156 };
157 static const mesh_access_message_t mesh_configuration_client_beacon_set = {
158         MESH_FOUNDATION_OPERATION_BEACON_SET, "1"
159 };
160 
161 
162 static const mesh_access_message_t mesh_configuration_client_composition_data_get = {
163         MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_GET, "1"
164 };
165 
166 
167 static const mesh_access_message_t mesh_configuration_client_default_ttl_get = {
168         MESH_FOUNDATION_OPERATION_DEFAULT_TTL_GET, ""
169 };
170 static const mesh_access_message_t mesh_configuration_client_default_ttl_set = {
171         MESH_FOUNDATION_OPERATION_DEFAULT_TTL_SET, "1"
172 };
173 
174 
175 static const mesh_access_message_t mesh_configuration_client_gatt_proxy_get = {
176         MESH_FOUNDATION_OPERATION_GATT_PROXY_GET, ""
177 };
178 static const mesh_access_message_t mesh_configuration_client_gatt_proxy_set = {
179         MESH_FOUNDATION_OPERATION_GATT_PROXY_SET, "1"
180 };
181 
182 
183 static const mesh_access_message_t mesh_configuration_client_relay_get = {
184         MESH_FOUNDATION_OPERATION_RELAY_GET, ""
185 };
186 static const mesh_access_message_t mesh_configuration_client_relay_set = {
187         MESH_FOUNDATION_OPERATION_RELAY_SET, "11"
188 };
189 
190 static const mesh_access_message_t mesh_configuration_client_model_publication_get = {
191         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_GET, "2m"
192 };
193 static const mesh_access_message_t mesh_configuration_client_model_publication_set = {
194         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_SET, "222111m"
195 };
196 static const mesh_access_message_t mesh_configuration_client_model_publication_virtual_address_set = {
197         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_VIRTUAL_ADDRESS_SET, "2P2111m"
198 };
199 
200 
201 static const mesh_access_message_t mesh_configuration_client_model_subscription_add = {
202         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_ADD, "22m"
203 };
204 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_add = {
205         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_ADD, "2Pm"
206 };
207 static const mesh_access_message_t mesh_configuration_client_model_subscription_delete = {
208         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE, "22m"
209 };
210 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_delete = {
211         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_DELETE, "2Pm"
212 };
213 static const mesh_access_message_t mesh_configuration_client_model_subscription_overwrite = {
214         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_OVERWRITE, "22m"
215 };
216 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_overwrite = {
217         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_OVERWRITE, "2Pm"
218 };
219 static const mesh_access_message_t mesh_configuration_client_model_subscription_delete_all = {
220         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE_ALL, "22m"
221 };
222 
223 
224 static const mesh_access_message_t mesh_configuration_client_sig_model_subscription_get = {
225         MESH_FOUNDATION_OPERATION_SIG_MODEL_SUBSCRIPTION_GET, "22"
226 };
227 
228 static const mesh_access_message_t mesh_configuration_client_vendor_model_subscription_get = {
229         MESH_FOUNDATION_OPERATION_VENDOR_MODEL_SUBSCRIPTION_GET, "24"
230 };
231 
232 static const mesh_access_message_t mesh_configuration_client_netkey_add = {
233         MESH_FOUNDATION_OPERATION_NETKEY_ADD, "2P"
234 };
235 static const mesh_access_message_t mesh_configuration_client_netkey_update = {
236         MESH_FOUNDATION_OPERATION_NETKEY_UPDATE, "2P"
237 };
238 static const mesh_access_message_t mesh_configuration_client_netkey_delete = {
239         MESH_FOUNDATION_OPERATION_NETKEY_DELETE, "2"
240 };
241 static const mesh_access_message_t mesh_configuration_client_netkey_get = {
242         MESH_FOUNDATION_OPERATION_NETKEY_GET, ""
243 };
244 
245 
246 static const mesh_access_message_t mesh_configuration_client_appkey_add = {
247         MESH_FOUNDATION_OPERATION_APPKEY_ADD, "3P"
248 };
249 static const mesh_access_message_t mesh_configuration_client_appkey_update = {
250         MESH_FOUNDATION_OPERATION_APPKEY_UPDATE, "3P"
251 };
252 static const mesh_access_message_t mesh_configuration_client_appkey_delete = {
253         MESH_FOUNDATION_OPERATION_APPKEY_DELETE, "3"
254 };
255 static const mesh_access_message_t mesh_configuration_client_appkey_get = {
256         MESH_FOUNDATION_OPERATION_APPKEY_GET, "2"
257 };
258 
259 static const mesh_access_message_t mesh_configuration_client_node_identity_get = {
260         MESH_FOUNDATION_OPERATION_NODE_IDENTITY_GET, "2"
261 };
262 static const mesh_access_message_t mesh_configuration_client_node_identity_set = {
263         MESH_FOUNDATION_OPERATION_NODE_IDENTITY_SET, "21"
264 };
265 
266 static void mesh_configuration_client_send_acknowledged(uint16_t src, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, mesh_pdu_t *pdu, uint32_t ack_opcode){
267     uint8_t  ttl  = mesh_foundation_default_ttl_get();
268     mesh_upper_transport_setup_access_pdu_header(pdu, netkey_index, appkey_index, ttl, src, dest, 0);
269     mesh_access_send_acknowledged_pdu(pdu, mesh_access_acknowledged_message_retransmissions(), ack_opcode);
270 }
271 
272 static uint8_t mesh_access_validate_envelop_params(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
273     btstack_assert(mesh_model != NULL);
274     // TODO: validate other params
275     UNUSED(mesh_model);
276     UNUSED(dest);
277     UNUSED(netkey_index);
278     UNUSED(appkey_index);
279 
280     return ERROR_CODE_SUCCESS;
281 }
282 
283 uint8_t mesh_configuration_client_send_beacon_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
284     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
285     if (status != ERROR_CODE_SUCCESS) return status;
286 
287     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_beacon_get);
288     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
289 
290     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_BEACON_STATUS);
291     return ERROR_CODE_SUCCESS;
292 }
293 
294 uint8_t mesh_configuration_client_send_beacon_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t beacon){
295     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
296     if (status != ERROR_CODE_SUCCESS) return status;
297 
298     if (beacon > 1) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
299 
300     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_beacon_set, beacon);
301     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
302 
303     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_BEACON_STATUS);
304     return ERROR_CODE_SUCCESS;
305 }
306 
307 uint8_t mesh_configuration_client_send_composition_data_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t page){
308     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
309     if (status != ERROR_CODE_SUCCESS) return status;
310 
311     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_composition_data_get, page);
312     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
313 
314     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_STATUS);
315     return ERROR_CODE_SUCCESS;
316 }
317 
318 uint8_t mesh_configuration_client_send_default_ttl_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
319     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
320     if (status != ERROR_CODE_SUCCESS) return status;
321 
322     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_default_ttl_get);
323     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
324 
325     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_DEFAULT_TTL_STATUS);
326     return ERROR_CODE_SUCCESS;
327 }
328 
329 uint8_t mesh_configuration_client_send_default_ttl_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t ttl){
330     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
331     if (status != ERROR_CODE_SUCCESS) return status;
332 
333     if (ttl == 0x01 || ttl >= 0x80) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
334 
335     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_default_ttl_set, ttl);
336     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
337 
338     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_DEFAULT_TTL_STATUS);
339     return ERROR_CODE_SUCCESS;
340 }
341 
342 uint8_t mesh_configuration_client_send_gatt_proxy_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
343     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
344     if (status != ERROR_CODE_SUCCESS) return status;
345 
346     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_gatt_proxy_get);
347     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
348 
349     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_GATT_PROXY_STATUS);
350     return ERROR_CODE_SUCCESS;
351 }
352 
353 uint8_t mesh_configuration_client_send_gatt_proxy_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t gatt_proxy_state){
354     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
355     if (status != ERROR_CODE_SUCCESS) return status;
356 
357     if (gatt_proxy_state > 2) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
358 
359     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_gatt_proxy_set, gatt_proxy_state);
360     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
361 
362     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_GATT_PROXY_STATUS);
363     return ERROR_CODE_SUCCESS;
364 }
365 
366 uint8_t mesh_configuration_client_send_relay_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
367     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
368     if (status != ERROR_CODE_SUCCESS) return status;
369 
370     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_relay_get);
371     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
372 
373     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_RELAY_STATUS);
374     return ERROR_CODE_SUCCESS;
375 }
376 
377 uint8_t mesh_configuration_client_send_relay_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t relay, uint8_t relay_retransmit_count, uint8_t relay_retransmit_interval_steps){
378     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
379     if (status != ERROR_CODE_SUCCESS) return status;
380 
381     if (relay_retransmit_count > 0x07) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
382     if (relay_retransmit_interval_steps > 0x1F) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
383 
384     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_relay_set, relay, (relay_retransmit_count << 5) | relay_retransmit_interval_steps);
385     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
386 
387     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_RELAY_SET);
388     return ERROR_CODE_SUCCESS;
389 }
390 
391 uint8_t mesh_configuration_client_send_model_publication_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id){
392     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
393     if (status != ERROR_CODE_SUCCESS) return status;
394 
395     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_publication_get, dest, model_id);
396     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
397 
398     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_STATUS);
399     return ERROR_CODE_SUCCESS;
400 }
401 
402 static uint8_t mesh_validate_publication_model_config_parameters(mesh_publication_model_config_t * publication_config, bool use_unicast_address){
403     if (publication_config->appkey_index > 0xFFF) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
404     if (publication_config->credential_flag > 1) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
405     if (publication_config->publish_retransmit_count > 0x07) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
406     if (publication_config->publish_retransmit_interval_steps > 0x1F) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
407     if (use_unicast_address && mesh_network_address_virtual(publication_config->publish_address_unicast)) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
408     return ERROR_CODE_SUCCESS;
409 }
410 
411 uint8_t mesh_configuration_client_send_model_publication_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id, mesh_publication_model_config_t * publication_config){
412     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
413     if (status != ERROR_CODE_SUCCESS) return status;
414 
415     if (!mesh_network_address_unicast(dest) ||
416         mesh_validate_publication_model_config_parameters(publication_config, true) != ERROR_CODE_SUCCESS){
417         return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
418     }
419 
420     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_publication_set,
421         dest,
422         publication_config->publish_address_unicast,
423         (publication_config->credential_flag << 12) | publication_config->appkey_index,
424         publication_config->publish_ttl,
425         publication_config->publish_period,
426         (publication_config->publish_retransmit_interval_steps << 3) | publication_config->publish_retransmit_count,
427         model_id);
428     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
429 
430     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_STATUS);
431     return ERROR_CODE_SUCCESS;
432 
433 }
434 
435 uint8_t mesh_configuration_client_send_model_publication_virtual_address_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id, mesh_publication_model_config_t * publication_config){
436     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
437     if (status != ERROR_CODE_SUCCESS) return status;
438 
439     if (!mesh_network_address_unicast(dest) ||
440         mesh_validate_publication_model_config_parameters(publication_config, false) != ERROR_CODE_SUCCESS){
441         return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
442     }
443 
444     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_publication_virtual_address_set,
445         dest,
446         publication_config->publish_address_virtual,
447         (publication_config->credential_flag << 12) | publication_config->appkey_index,
448         publication_config->publish_ttl,
449         publication_config->publish_period,
450         (publication_config->publish_retransmit_interval_steps << 3) | publication_config->publish_retransmit_count,
451         model_id);
452     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
453 
454     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_STATUS);
455     return ERROR_CODE_SUCCESS;
456 }
457 
458 
459 uint8_t mesh_configuration_client_send_model_subscription_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
460     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
461     if (status != ERROR_CODE_SUCCESS) return status;
462 
463     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_add, dest, address, model_id);
464     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
465 
466     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
467     return ERROR_CODE_SUCCESS;
468 }
469 
470 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
471     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
472     if (status != ERROR_CODE_SUCCESS) return status;
473 
474     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_add, dest, address, model_id);
475     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
476 
477     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
478     return ERROR_CODE_SUCCESS;
479 }
480 
481 uint8_t mesh_configuration_client_send_model_subscription_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
482     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
483     if (status != ERROR_CODE_SUCCESS) return status;
484 
485     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_delete, dest, address, model_id);
486     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
487 
488     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
489     return ERROR_CODE_SUCCESS;
490 }
491 
492 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
493     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
494     if (status != ERROR_CODE_SUCCESS) return status;
495 
496     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_delete, dest, address, model_id);
497     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
498 
499     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
500     return ERROR_CODE_SUCCESS;
501 }
502 
503 uint8_t mesh_configuration_client_send_model_subscription_overwrite(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
504         uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
505     if (status != ERROR_CODE_SUCCESS) return status;
506 
507     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_overwrite, dest, address, model_id);
508     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
509 
510     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
511     return ERROR_CODE_SUCCESS;
512 }
513 
514 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_overwrite(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
515     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
516     if (status != ERROR_CODE_SUCCESS) return status;
517 
518     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_overwrite, dest, address, model_id);
519     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
520 
521     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
522     return ERROR_CODE_SUCCESS;
523 }
524 
525 uint8_t mesh_configuration_client_send_model_subscription_delete_all(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
526         uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
527     if (status != ERROR_CODE_SUCCESS) return status;
528 
529     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_delete_all, dest, address, model_id);
530     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
531 
532     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS);
533     return ERROR_CODE_SUCCESS;
534 }
535 
536 uint8_t mesh_configuration_client_send_model_subscription_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id){
537     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
538     if (status != ERROR_CODE_SUCCESS) return status;
539 
540     mesh_network_pdu_t * network_pdu = NULL;
541     uint32_t ack_opcode = MESH_FOUNDATION_OPERATION_SIG_MODEL_SUBSCRIPTION_LIST;
542 
543     if (mesh_model_is_bluetooth_sig(model_id)){
544         network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_sig_model_subscription_get, dest, model_id);
545     } else {
546         network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_vendor_model_subscription_get, dest, model_id);
547         ack_opcode = MESH_FOUNDATION_OPERATION_VENDOR_MODEL_SUBSCRIPTION_LIST;
548     }
549 
550     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
551 
552     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, ack_opcode);
553     return ERROR_CODE_SUCCESS;
554 }
555 
556 uint8_t mesh_configuration_client_send_netkey_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t index, uint8_t * netkey){
557     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
558     if (status != ERROR_CODE_SUCCESS) return status;
559 
560     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_netkey_add, index, netkey);
561     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
562 
563     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NETKEY_STATUS);
564     return ERROR_CODE_SUCCESS;
565 }
566 
567 uint8_t mesh_configuration_client_send_netkey_update(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t index, uint8_t * netkey){
568     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
569     if (status != ERROR_CODE_SUCCESS) return status;
570 
571     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_netkey_update, index, netkey);
572     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
573 
574     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NETKEY_STATUS);
575     return ERROR_CODE_SUCCESS;
576 }
577 
578 uint8_t mesh_configuration_client_send_netkey_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t index){
579     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
580     if (status != ERROR_CODE_SUCCESS) return status;
581 
582     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_netkey_delete, index);
583     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
584 
585     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NETKEY_STATUS);
586     return ERROR_CODE_SUCCESS;
587 }
588 
589 uint8_t mesh_configuration_client_send_netkey_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
590     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
591     if (status != ERROR_CODE_SUCCESS) return status;
592 
593     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_netkey_get);
594     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
595 
596     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NETKEY_LIST);
597     return ERROR_CODE_SUCCESS;
598 }
599 
600 uint8_t mesh_configuration_client_send_appkey_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index, uint16_t appk_index, uint8_t * appkey){
601     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
602     if (status != ERROR_CODE_SUCCESS) return status;
603 
604     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_appkey_add, netk_index << 12 | appk_index, appkey);
605     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
606 
607     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_APPKEY_STATUS);
608     return ERROR_CODE_SUCCESS;
609 }
610 
611 uint8_t mesh_configuration_client_send_appkey_update(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index, uint16_t appk_index, uint8_t * appkey){
612     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
613     if (status != ERROR_CODE_SUCCESS) return status;
614 
615     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_appkey_update, netk_index << 12 | appk_index, appkey);
616     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
617 
618     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_APPKEY_STATUS);
619     return ERROR_CODE_SUCCESS;
620 }
621 
622 uint8_t mesh_configuration_client_send_appkey_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index, uint16_t appk_index){
623     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
624     if (status != ERROR_CODE_SUCCESS) return status;
625 
626     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_appkey_delete, netk_index << 12 | appk_index);
627     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
628 
629     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_APPKEY_STATUS);
630     return ERROR_CODE_SUCCESS;
631 }
632 
633 uint8_t mesh_configuration_client_send_appkey_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index){
634     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
635     if (status != ERROR_CODE_SUCCESS) return status;
636 
637     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_appkey_get, netk_index);
638     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
639 
640     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_APPKEY_LIST);
641     return ERROR_CODE_SUCCESS;
642 }
643 
644 uint8_t mesh_configuration_client_send_node_identity_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index){
645     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
646     if (status != ERROR_CODE_SUCCESS) return status;
647 
648     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_node_identity_get, netk_index);
649     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
650 
651     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NODE_IDENTITY_STATUS);
652     return ERROR_CODE_SUCCESS;
653 }
654 
655 uint8_t mesh_configuration_client_send_node_identity_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t netk_index, mesh_node_identity_state_t node_identity_state){
656     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
657     if (status != ERROR_CODE_SUCCESS) return status;
658 
659     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_node_identity_set, netk_index, node_identity_state);
660     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
661 
662     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_NODE_IDENTITY_STATUS);
663     return ERROR_CODE_SUCCESS;
664 }
665 
666 
667 
668 // Model Operations
669 static void mesh_configuration_client_composition_data_status_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
670     // Composition Data has variable of element descriptions, with two lists of model lists
671     // Pass raw data to application but provide convenient setters instead of parsing pdu here
672 
673     // reuse part of the mesh_network_t / mesh_transport_t struct to create event without memcpy or allocation
674     uint8_t * data = mesh_pdu_data(pdu);
675     uint8_t * event = &data[-6];
676 
677     int pos = 0;
678     event[pos++] = HCI_EVENT_MESH_META;
679     // Composite Data might be larger than 251 bytes - in this case only lower 8 bit are stored here. packet size is correct
680     event[pos++] = (uint8_t) (6 + mesh_pdu_len(pdu));
681     event[pos++] = MESH_SUBEVENT_CONFIGURATION_COMPOSITION_DATA;
682     // dest
683     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
684     pos += 2;
685     event[pos++] = ERROR_CODE_SUCCESS;
686 
687     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
688     mesh_access_message_processed(pdu);
689 }
690 
691 uint8_t mesh_subevent_configuration_composition_data_get_page(const uint8_t * event){
692     return event[6];
693 }
694 
695 uint16_t mesh_subevent_configuration_composition_data_get_cid(const uint8_t * event){
696     return little_endian_read_16(event, 7);
697 }
698 
699 uint16_t mesh_subevent_configuration_composition_data_get_pid(const uint8_t * event){
700     return little_endian_read_16(event, 9);
701 }
702 
703 uint16_t mesh_subevent_configuration_composition_data_get_vid(const uint8_t * event){
704     return little_endian_read_16(event, 11);
705 }
706 
707 uint16_t mesh_subevent_configuration_composition_data_get_crpl(const uint8_t * event){
708     return little_endian_read_16(event, 13);
709 }
710 
711 uint16_t mesh_subevent_configuration_composition_data_get_features(const uint8_t * event){
712     return little_endian_read_16(event, 15);
713 }
714 
715 
716 static inline void mesh_configuration_client_handle_uint8_value(mesh_model_t *mesh_model, mesh_pdu_t * pdu, uint8_t subevent_type){
717     mesh_access_parser_state_t parser;
718     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
719 
720     uint8_t value = mesh_access_parser_get_u8(&parser);
721 
722     uint8_t event[7];
723     int pos = 0;
724 
725     event[pos++] = HCI_EVENT_MESH_META;
726     event[pos++] = sizeof(event) - 2;
727     event[pos++] = subevent_type;
728     // dest
729     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
730     pos += 2;
731     event[pos++] = ERROR_CODE_SUCCESS;
732     event[pos++] = value;
733 
734     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
735     mesh_access_message_processed(pdu);
736 }
737 
738 static void mesh_configuration_client_beacon_status_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
739     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_BEACON);
740 }
741 
742 static void mesh_configuration_client_default_ttl_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
743     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_DEFAULT_TTL);
744 }
745 
746 static void mesh_configuration_client_gatt_proxy_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
747     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_GATT_PROXY);
748 }
749 
750 static void mesh_configuration_client_relay_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
751     mesh_access_parser_state_t parser;
752     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
753 
754     uint8_t relay = mesh_access_parser_get_u8(&parser);
755     uint8_t retransmition = mesh_access_parser_get_u8(&parser);
756 
757     uint8_t event[9];
758 
759     int pos = 0;
760     event[pos++] = HCI_EVENT_MESH_META;
761     event[pos++] = sizeof(event) - 2;
762     event[pos++] = MESH_SUBEVENT_CONFIGURATION_RELAY;
763     // dest
764     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
765     pos += 2;
766     event[pos++] = ERROR_CODE_SUCCESS;
767     event[pos++] = relay;
768     event[pos++] = (retransmition >> 5) + 1;
769     event[pos++] = ((retransmition & 0x07) + 1) * 10;
770 
771     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
772     mesh_access_message_processed(pdu);
773 }
774 
775 static void mesh_configuration_client_model_publication_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
776     mesh_access_parser_state_t parser;
777     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
778     uint8_t  status = mesh_access_parser_get_u8(&parser);
779     uint16_t publish_addres = mesh_access_parser_get_u16(&parser);
780 
781     uint16_t value = mesh_access_parser_get_u16(&parser);
782     uint16_t appkey_index = value & 0xFFF;
783     uint8_t  credential_flag = (value & 0x1000) >> 12;
784 
785     uint8_t publish_ttl = mesh_access_parser_get_u8(&parser);
786     uint8_t publish_period = mesh_access_parser_get_u8(&parser);
787 
788     uint8_t retransmit = mesh_access_parser_get_u8(&parser);
789     uint8_t publish_retransmit_count = retransmit & 0x111;
790     uint8_t publish_retransmit_interval_steps = retransmit >> 5;
791     uint32_t model_identifier = mesh_access_parser_get_model_identifier(&parser);
792 
793     uint8_t event[19];
794     int pos = 0;
795     event[pos++] = HCI_EVENT_MESH_META;
796     event[pos++] = sizeof(event) - 2;
797     event[pos++] = MESH_SUBEVENT_CONFIGURATION_MODEL_PUBLICATION;
798     // dest
799     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
800     pos += 2;
801     event[pos++] = status;
802 
803     little_endian_store_16(event, pos, publish_addres);
804     pos += 2;
805 
806     little_endian_store_16(event, pos, appkey_index);
807     pos += 2;
808 
809     event[pos++] = credential_flag;
810     event[pos++] = publish_ttl;
811     event[pos++] = publish_period;
812     event[pos++] = publish_retransmit_count;
813     event[pos++] = publish_retransmit_interval_steps;
814 
815     little_endian_store_32(event, pos, model_identifier);
816     pos += 4;
817 
818     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
819     mesh_access_message_processed(pdu);
820 }
821 
822 static void mesh_configuration_client_model_subscription_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
823     mesh_access_parser_state_t parser;
824     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
825     uint8_t  status = mesh_access_parser_get_u8(&parser);
826     uint16_t address = mesh_access_parser_get_u16(&parser);
827     uint32_t model_identifier = mesh_access_parser_get_model_identifier(&parser);
828 
829     uint8_t event[12];
830     int pos = 0;
831     event[pos++] = HCI_EVENT_MESH_META;
832     event[pos++] = sizeof(event) - 2;
833     event[pos++] = MESH_SUBEVENT_CONFIGURATION_MODEL_SUBSCRIPTION;
834     // dest
835     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
836     pos += 2;
837     event[pos++] = status;
838 
839     little_endian_store_16(event, pos, address);
840     pos += 2;
841 
842     little_endian_store_32(event, pos, model_identifier);
843     pos += 4;
844 
845     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
846     mesh_access_message_processed(pdu);
847 }
848 
849 static void mesh_configuration_client_model_subscription_event(mesh_model_t *mesh_model, mesh_pdu_t * pdu, uint8_t subevent_type){
850     mesh_access_parser_state_t parser;
851     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
852     uint8_t  status = mesh_access_parser_get_u8(&parser);
853     uint16_t address = mesh_access_parser_get_u16(&parser);
854     uint32_t model_identifier;
855 
856     if (subevent_type == MESH_SUBEVENT_CONFIGURATION_SIG_MODEL_SUBSCRIPTION_LIST_ITEM) {
857         model_identifier = mesh_access_parser_get_sig_model_identifier(&parser);
858     } else {
859         model_identifier = mesh_access_parser_get_vendor_model_identifier(&parser);
860     }
861     uint8_t list_size = mesh_access_parser_available(&parser)/2;
862 
863     uint8_t event[12];
864     int pos = 0;
865     event[pos++] = HCI_EVENT_MESH_META;
866     event[pos++] = sizeof(event) - 2;
867     event[pos++] = subevent_type;
868     // dest
869     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
870     pos += 2;
871     event[pos++] = status;
872 
873     little_endian_store_16(event, pos, address);
874     pos += 2;
875 
876     event[pos++] = list_size;
877     uint8_t i;
878     for (i = 0; i < list_size; i++){
879         event[pos++] = i;
880         little_endian_store_16(event, pos, mesh_access_parser_get_u16(&parser));
881         (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos + 2);
882     }
883     mesh_access_message_processed(pdu);
884 }
885 
886 static void mesh_configuration_client_sig_model_subscription_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
887     mesh_configuration_client_model_subscription_event(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_SIG_MODEL_SUBSCRIPTION_LIST_ITEM);
888 }
889 
890 static void mesh_configuration_client_vendor_model_subscription_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
891         mesh_configuration_client_model_subscription_event(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_VENDOR_MODEL_SUBSCRIPTION_LIST_ITEM);
892 }
893 
894 static void mesh_configuration_client_netkey_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
895     mesh_access_parser_state_t parser;
896     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
897     uint8_t  status = mesh_access_parser_get_u8(&parser);
898 
899     uint8_t event[6];
900     int pos = 0;
901     event[pos++] = HCI_EVENT_MESH_META;
902     event[pos++] = sizeof(event) - 2;
903     event[pos++] = MESH_SUBEVENT_CONFIGURATION_NETKEY_INDEX;
904     // dest
905     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
906     pos += 2;
907     event[pos++] = status;
908     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
909     mesh_access_message_processed(pdu);
910 }
911 
912 static void mesh_configuration_client_netkey_list_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
913     mesh_access_parser_state_t parser;
914     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
915     uint8_t  status = 0;
916     uint8_t list_size = mesh_access_parser_available(&parser)/2;
917 
918     uint8_t event[10];
919     int pos = 0;
920     event[pos++] = HCI_EVENT_MESH_META;
921     event[pos++] = sizeof(event) - 2;
922     event[pos++] = MESH_SUBEVENT_CONFIGURATION_NETKEY_INDEX_LIST_ITEM;
923     // dest
924     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
925     pos += 2;
926     event[pos++] = status;
927 
928     event[pos++] = list_size;
929     uint8_t i;
930     for (i = 0; i < list_size; i++){
931         event[pos++] = i;
932         little_endian_store_16(event, pos, mesh_access_parser_get_u16(&parser));
933         (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos + 2);
934     }
935     mesh_access_message_processed(pdu);
936 }
937 
938 static void mesh_configuration_client_appkey_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
939     mesh_access_parser_state_t parser;
940     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
941     uint8_t  status = mesh_access_parser_get_u8(&parser);
942     uint32_t netappkey_index = mesh_access_parser_get_u24(&parser);
943     uint16_t netkey_index = netappkey_index >> 12;
944     uint16_t appkey_index = netappkey_index & 0xFFF;
945 
946     uint8_t event[10];
947     int pos = 0;
948     event[pos++] = HCI_EVENT_MESH_META;
949     event[pos++] = sizeof(event) - 2;
950     event[pos++] = MESH_SUBEVENT_CONFIGURATION_APPKEY_INDEX;
951     // dest
952     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
953     pos += 2;
954     event[pos++] = status;
955     little_endian_store_16(event, pos, netkey_index);
956     pos += 2;
957     little_endian_store_16(event, pos, appkey_index);
958     pos += 2;
959 
960     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
961     mesh_access_message_processed(pdu);
962 }
963 
964 static void mesh_configuration_client_appkey_list_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
965     mesh_access_parser_state_t parser;
966     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
967     uint8_t status = 0;
968     uint8_t list_size = mesh_access_parser_available(&parser)/2;
969 
970     uint8_t event[12];
971     int pos = 0;
972     event[pos++] = HCI_EVENT_MESH_META;
973     event[pos++] = sizeof(event) - 2;
974     event[pos++] = MESH_SUBEVENT_CONFIGURATION_APPKEY_INDEX_LIST_ITEM;
975     // dest
976     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
977     pos += 2;
978     event[pos++] = status;
979 
980     event[pos++] = list_size;
981     uint8_t i;
982     for (i = 0; i < list_size; i++){
983         event[pos++] = i;
984         uint32_t netappkey_index = mesh_access_parser_get_u24(&parser);
985         little_endian_store_16(event, pos, netappkey_index >> 12);
986         little_endian_store_16(event, pos + 2, netappkey_index & 0xFFF);
987         (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos + 4);
988     }
989     mesh_access_message_processed(pdu);
990 }
991 
992 static void mesh_configuration_client_node_identity_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
993     mesh_access_parser_state_t parser;
994     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
995     uint8_t  status = mesh_access_parser_get_u8(&parser);
996     uint16_t netkey_index = mesh_access_parser_get_u8(&parser);
997     uint8_t  identity_status = mesh_access_parser_get_u8(&parser);
998 
999     uint8_t event[9];
1000     int pos = 0;
1001     event[pos++] = HCI_EVENT_MESH_META;
1002     event[pos++] = sizeof(event) - 2;
1003     event[pos++] = MESH_SUBEVENT_CONFIGURATION_NODE_IDENTITY;
1004     // dest
1005     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
1006     pos += 2;
1007     event[pos++] = status;
1008     little_endian_store_16(event, pos, netkey_index);
1009     pos += 2;
1010     event[pos++] = identity_status;
1011 
1012     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
1013     mesh_access_message_processed(pdu);
1014 }
1015 
1016 const static mesh_operation_t mesh_configuration_client_model_operations[] = {
1017     { MESH_FOUNDATION_OPERATION_BEACON_STATUS,                  1, mesh_configuration_client_beacon_status_handler },
1018     { MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_STATUS,       10, mesh_configuration_client_composition_data_status_handler },
1019     { MESH_FOUNDATION_OPERATION_DEFAULT_TTL_STATUS,             1, mesh_configuration_client_default_ttl_handler },
1020     { MESH_FOUNDATION_OPERATION_GATT_PROXY_STATUS,              1, mesh_configuration_client_gatt_proxy_handler },
1021     { MESH_FOUNDATION_OPERATION_RELAY_STATUS,                   2, mesh_configuration_client_relay_handler },
1022     { MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_STATUS,      12, mesh_configuration_client_model_publication_handler },
1023     { MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS,      7, mesh_configuration_client_model_subscription_handler },
1024     { MESH_FOUNDATION_OPERATION_SIG_MODEL_SUBSCRIPTION_LIST,    5, mesh_configuration_client_sig_model_subscription_handler},
1025     { MESH_FOUNDATION_OPERATION_VENDOR_MODEL_SUBSCRIPTION_LIST, 7, mesh_configuration_client_vendor_model_subscription_handler},
1026     { MESH_FOUNDATION_OPERATION_NETKEY_STATUS,                  3, mesh_configuration_client_netkey_handler },
1027     { MESH_FOUNDATION_OPERATION_NETKEY_LIST,                    0, mesh_configuration_client_netkey_list_handler },
1028     { MESH_FOUNDATION_OPERATION_APPKEY_STATUS,                  4, mesh_configuration_client_appkey_handler },
1029     { MESH_FOUNDATION_OPERATION_APPKEY_LIST,                    3, mesh_configuration_client_appkey_list_handler },
1030     { MESH_FOUNDATION_OPERATION_NODE_IDENTITY_STATUS,           4, mesh_configuration_client_node_identity_handler },
1031     { 0, 0, NULL }
1032 };
1033 
1034 const mesh_operation_t * mesh_configuration_client_get_operations(void){
1035     return mesh_configuration_client_model_operations;
1036 }
1037 
1038 void mesh_configuration_client_register_packet_handler(mesh_model_t *configuration_client_model, btstack_packet_handler_t events_packet_handler){
1039     btstack_assert(events_packet_handler != NULL);
1040     btstack_assert(configuration_client_model != NULL);
1041 
1042     configuration_client_model->model_packet_handler = events_packet_handler;
1043 }
1044 
1045