Outline ![]()
Files ![]()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/*
* SPDX-FileCopyrightText: 2017 Intel Corporation
* SPDX-FileContributor: 2018-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <errno.h>
#include "lpn.h"
#include "mesh.h"
#include "mesh/main.h"
#include "access.h"
#include "foundation.h"
#include "transport.h"
#include "heartbeat.h"
#include "mesh/cfg_srv.h"
static uint16_t hb_sub_dst = BLE_MESH_ADDR_UNASSIGNED;
void bt_mesh_set_hb_sub_dst(uint16_t addr)
{
hb_sub_dst = addr;
}
uint16_t bt_mesh_get_hb_sub_dst(void)
{
return hb_sub_dst;
}
void bt_mesh_heartbeat_recv(uint16_t src, uint16_t dst, uint8_t hops, uint16_t feat)
{
struct bt_mesh_cfg_srv *cfg = bt_mesh_cfg_get();
if (cfg == NULL) {
BT_WARN("No configuration server context available");
return;
}
if (src != cfg->hb_sub.src || dst != cfg->hb_sub.dst) {
BT_WARN("No subscription for received heartbeat");
return;
}
if (k_uptime_get() > cfg->hb_sub.expiry) {
BT_WARN("Heartbeat subscription period expired");
return;
}
cfg->hb_sub.min_hops = MIN(cfg->hb_sub.min_hops, hops);
cfg->hb_sub.max_hops = MAX(cfg->hb_sub.max_hops, hops);
if (cfg->hb_sub.count < 0xffff) {
cfg->hb_sub.count++;
}
BT_DBG("src 0x%04x dst 0x%04x hops %u min %u max %u count %u", src,
dst, hops, cfg->hb_sub.min_hops, cfg->hb_sub.max_hops,
cfg->hb_sub.count);
if (cfg->hb_sub.func) {
cfg->hb_sub.func(hops, feat);
}
}
void bt_mesh_heartbeat_send(void)
{
struct bt_mesh_cfg_srv *cfg = bt_mesh_cfg_get();
uint16_t feat = 0U;
struct __attribute__((packed)) {
uint8_t init_ttl;
uint16_t feat;
} hb;
struct bt_mesh_msg_ctx ctx = {
.net_idx = cfg->hb_pub.net_idx,
.app_idx = BLE_MESH_KEY_UNUSED,
.addr = cfg->hb_pub.dst,
.send_ttl = cfg->hb_pub.ttl,
.send_cred = BLE_MESH_FLOODING_CRED,
};
struct bt_mesh_net_tx tx = {
.sub = bt_mesh_subnet_get(cfg->hb_pub.net_idx),
.ctx = &ctx,
.src = bt_mesh_model_elem(cfg->model)->addr,
.xmit = bt_mesh_net_transmit_get(),
};
/* Do nothing if heartbeat publication is not enabled */
if (cfg->hb_pub.dst == BLE_MESH_ADDR_UNASSIGNED) {
return;
}
hb.init_ttl = cfg->hb_pub.ttl;
if (bt_mesh_relay_get() == BLE_MESH_RELAY_ENABLED) {
feat |= BLE_MESH_FEAT_RELAY;
}
if (bt_mesh_gatt_proxy_get() == BLE_MESH_GATT_PROXY_ENABLED) {
feat |= BLE_MESH_FEAT_PROXY;
}
if (bt_mesh_friend_get() == BLE_MESH_FRIEND_ENABLED) {
feat |= BLE_MESH_FEAT_FRIEND;
}
if (bt_mesh_lpn_established()) {
feat |= BLE_MESH_FEAT_LOW_POWER;
}
hb.feat = sys_cpu_to_be16(feat);
BT_INFO("InitTTL %u feat 0x%04x", cfg->hb_pub.ttl, feat);
bt_mesh_ctl_send(&tx, TRANS_CTL_OP_HEARTBEAT, &hb, sizeof(hb),
NULL, NULL);
}
#if CONFIG_BLE_MESH_PROVISIONER_RECV_HB
#define HEARTBEAT_FILTER_ACCEPTLIST 0x00
#define HEARTBEAT_FILTER_REJECTLIST 0x01
#define HEARTBEAT_FILTER_ADD 0x00
#define HEARTBEAT_FILTER_REMOVE 0x01
static struct heartbeat_recv {
struct heartbeat_filter {
uint16_t src; /* Heartbeat SRC (unicast address) */
uint16_t dst; /* Heartbeat DST (unicast address or group address) */
} filter[CONFIG_BLE_MESH_PROVISIONER_RECV_HB_FILTER_SIZE];
uint8_t type; /* Heartbeat filter type */
bt_mesh_pvnr_hb_recv_cb_t cb; /* Heartbeat receive callback */
} hb_rx;
int bt_mesh_pvnr_register_hb_recv_cb(bt_mesh_pvnr_hb_recv_cb_t cb)
{
memset(&hb_rx, 0, sizeof(hb_rx));
/* Start with an empty rejectlist, which means all heartbeat messages will be reported */
hb_rx.type = HEARTBEAT_FILTER_REJECTLIST;
hb_rx.cb = cb;
return 0;
}
int bt_mesh_pvnr_set_hb_recv_filter_type(uint8_t type)
{
if (type > HEARTBEAT_FILTER_REJECTLIST) {
BT_ERR("Invalid heartbeat filter type 0x%02x", type);
return -EINVAL;
}
/* If the heartbeat filter type is different with previous one,
* clear the existing filter entries.
*/
if (hb_rx.type != type) {
memset(&hb_rx, 0, offsetof(struct heartbeat_recv, cb));
hb_rx.type = type;
}
return 0;
}
static int hb_filter_alloc(uint16_t src, uint16_t dst)
{
int i;
for (i = 0; i < ARRAY_SIZE(hb_rx.filter); i++) {
struct heartbeat_filter *filter = &hb_rx.filter[i];
if (filter->src == BLE_MESH_ADDR_UNASSIGNED &&
filter->dst == BLE_MESH_ADDR_UNASSIGNED) {
filter->src = src;
filter->dst = dst;
return 0;
}
}
BT_ERR("Heartbeat filter is full!");
return -ENOMEM;
}
static int hb_filter_add(uint16_t src, uint16_t dst)
{
int i;
if (!(BLE_MESH_ADDR_IS_UNICAST(src) &&
(BLE_MESH_ADDR_IS_UNICAST(dst) || BLE_MESH_ADDR_IS_GROUP(dst)))) {
BT_ERR("Invalid filter address, src 0x%04x, dst 0x%04x", src, dst);
return -EINVAL;
}
/* Check if filter entries with the same src or dst exist. */
for (i = 0; i < ARRAY_SIZE(hb_rx.filter); i++) {
struct heartbeat_filter *filter = &hb_rx.filter[i];
if (filter->src == src && filter->dst == dst) {
BT_WARN("Filter already exists, src 0x%04x dst 0x%04x", filter->src, filter->dst);
return 0;
}
}
return hb_filter_alloc(src, dst);
}
static int hb_filter_remove(uint16_t src, uint16_t dst)
{
int i;
if (!(BLE_MESH_ADDR_IS_UNICAST(src) &&
(BLE_MESH_ADDR_IS_UNICAST(dst) || BLE_MESH_ADDR_IS_GROUP(dst)))) {
BT_ERR("Invalid filter address, src 0x%04x, dst 0x%04x", src, dst);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(hb_rx.filter); i++) {
struct heartbeat_filter *filter = &hb_rx.filter[i];
if (filter->src == src && filter->dst == dst) {
memset(filter, 0, sizeof(struct heartbeat_filter));
}
}
return 0;
}
int bt_mesh_pvnr_set_hb_recv_filter_info(uint8_t op, uint16_t src, uint16_t dst)
{
switch (op) {
case HEARTBEAT_FILTER_ADD:
return hb_filter_add(src, dst);
case HEARTBEAT_FILTER_REMOVE:
return hb_filter_remove(src, dst);
default:
BT_ERR("Invalid heartbeat filter opcode 0x%02x", op);
return -EINVAL;
}
}
static bool filter_with_rejectlist(uint16_t hb_src, uint16_t hb_dst)
{
int i;
for (i = 0; i < ARRAY_SIZE(hb_rx.filter); i++) {
struct heartbeat_filter *filter = &hb_rx.filter[i];
if (hb_src == filter->src && hb_dst == filter->dst) {
return true;
}
}
return false;
}
static bool filter_with_acceptlist(uint16_t hb_src, uint16_t hb_dst)
{
int i;
for (i = 0; i < ARRAY_SIZE(hb_rx.filter); i++) {
struct heartbeat_filter *filter = &hb_rx.filter[i];
if (hb_src == filter->src && hb_dst == filter->dst) {
return false;
}
}
return true;
}
void bt_mesh_pvnr_heartbeat_recv(uint16_t hb_src, uint16_t hb_dst,
uint8_t init_ttl, uint8_t rx_ttl,
uint8_t hops, uint16_t feat, int8_t rssi)
{
if (hb_rx.cb == NULL) {
BT_DBG("Receiving heartbeat is not enabled");
return;
}
if (hb_rx.type == HEARTBEAT_FILTER_REJECTLIST) {
if (filter_with_rejectlist(hb_src, hb_dst)) {
BT_INFO("Filtered by rejectlist, src 0x%04x, dst 0x%04x", hb_src, hb_dst);
return;
}
} else {
if (filter_with_acceptlist(hb_src, hb_dst)) {
BT_INFO("Filtered by acceptlist, src 0x%04x, dst 0x%04x", hb_src, hb_dst);
return;
}
}
if (hb_rx.cb) {
hb_rx.cb(hb_src, hb_dst, init_ttl, rx_ttl, hops, feat, rssi);
}
}
#endif /* CONFIG_BLE_MESH_PROVISIONER_RECV_HB */
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.