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settings.c
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settings.c
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/*
* SPDX-FileCopyrightText: 2018 Intel Corporation
* SPDX-FileContributor: 2018-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <errno.h>
#include <string.h>
#include "mesh.h"
#include "crypto.h"
#include "transport.h"
#include "access.h"
#include "foundation.h"
#include "proxy_server.h"
#include "cfg_srv.h"
#include "mesh_common.h"
#include "settings_nvs.h"
#include "settings.h"
#include "settings_uid.h"
#include "provisioner_main.h"
#include "provisioner_prov.h"
/* BLE Mesh NVS Key and corresponding data struct.
* Note: The length of nvs key must be <= 15.
* "xxxx" (2 octet) means the rpl_src, net_idx, app_idx, model_key, etc.
* Model model_key is a combination "elem_idx << 8 | model_idx".
* key: "mesh/net" -> write/read to set/get NET data
* key: "mesh/iv" -> write/read to set/get IV data
* key: "mesh/seq" -> write/read to set/get SEQ data
* key: "mesh/hb_pub" -> write/read to set/get CFG HB_PUB data
* key: "mesh/cfg" -> write/read to set/get CFG data
* key: "mesh/rpl" -> write/read to set/get all RPL src.
* key: "mesh/rpl/xxxx" -> write/read to set/get the "xxxx" RPL data
* key: "mesh/netkey" -> write/read to set/get all NetKey Indexes
* key: "mesh/nk/xxxx" -> write/read to set/get the "xxxx" NetKey data
* key: "mesh/appkey" -> write/read to set/get all AppKey Indexes
* key: "mesh/ak/xxxx" -> write/read to set/get the "xxxx" AppKey data
* key: "mesh/sig" -> write/read to set/get all SIG MODEL model_keys.
* key: "mesh/s/xxxx/b" -> write/read to set/get SIG MODEL Bind AppKey List
* key: "mesh/s/xxxx/s" -> write/read to set/get SIG MODEL Subscription List
* key: "mesh/s/xxxx/p" -> write/read to set/get SIG MODEL Publication
* key: "mesh/vnd" -> write/read to set/get all VENDOR MODEL model_keys.
* key: "mesh/v/xxxx/b" -> write/read to set/get VENDOR MODEL Bind AppKey List
* key: "mesh/v/xxxx/s" -> write/read to set/get VENDOR MODEL Subscription List
* key: "mesh/v/xxxx/p" -> write/read to set/get VENDOR MODEL Publication
* key: "mesh/vaddr" -> write/read to set/get all virtual addresses
* key: "mesh/va/xxxx" -> write/read to set/get the "xxxx" virtual address
*/
#if CONFIG_BLE_MESH_SETTINGS
/* Tracking of what storage changes are pending for App and Net Keys. We
* track this in a separate array here instead of within the respective
* bt_mesh_app_key and bt_mesh_subnet structs themselves, since once a key
* gets deleted its struct becomes invalid and may be reused for other keys.
*/
static struct key_update {
uint16_t key_idx:12, /* AppKey or NetKey Index */
valid:1, /* 1 if this entry is valid, 0 if not */
app_key:1, /* 1 if this is an AppKey, 0 if a NetKey */
clear:1; /* 1 if key needs clearing, 0 if storing */
} key_updates[CONFIG_BLE_MESH_APP_KEY_COUNT + CONFIG_BLE_MESH_SUBNET_COUNT];
static struct k_delayed_work pending_store;
static void store_pending(struct k_work *work);
/* Mesh network storage information */
struct net_val {
uint16_t primary_addr;
uint8_t dev_key[16];
} __packed;
/* Sequence number storage */
struct seq_val {
uint8_t val[3];
} __packed;
/* Heartbeat Publication storage */
struct hb_pub_val {
uint16_t dst;
uint8_t period;
uint8_t ttl;
uint16_t feat;
uint16_t net_idx:12,
indefinite:1;
};
/* Miscellaneous configuration server model states */
struct cfg_val {
uint8_t net_transmit;
uint8_t relay;
uint8_t relay_retransmit;
uint8_t beacon;
uint8_t gatt_proxy;
uint8_t frnd;
uint8_t default_ttl;
};
/* IV Index & IV Update storage */
struct iv_val {
uint32_t iv_index;
uint8_t iv_update:1,
iv_duration:7;
} __packed;
/* Replay Protection List storage */
struct rpl_val {
uint32_t seq:24,
old_iv:1;
};
/* NetKey storage information */
struct net_key_val {
uint8_t kr_flag:1,
kr_phase:7;
uint8_t val[2][16];
} __packed;
/* AppKey storage information */
struct app_key_val {
uint16_t net_idx;
bool updated;
uint8_t val[2][16];
} __packed;
struct mod_pub_val {
uint16_t addr;
uint16_t key;
uint8_t ttl;
uint8_t retransmit;
uint8_t period;
uint8_t period_div:4,
cred:1;
};
/* Virtual Address information */
struct va_val {
uint16_t ref;
uint16_t addr;
uint8_t uuid[16];
} __packed;
/* We need this so we don't overwrite app-hardcoded values in case FCB
* contains a history of changes but then has a NULL at the end.
*/
static struct {
bool valid;
struct cfg_val cfg;
} stored_cfg;
struct prov_info {
uint16_t primary_addr;
uint16_t alloc_addr;
};
struct node_info {
uint8_t addr[6];
uint8_t addr_type;
uint8_t dev_uuid[16];
uint16_t oob_info;
uint16_t unicast_addr;
uint8_t element_num;
uint16_t net_idx;
uint8_t flags;
uint32_t iv_index;
uint8_t dev_key[16];
} __packed;
static bt_mesh_mutex_t settings_lock;
static inline void bt_mesh_settings_mutex_new(void)
{
if (settings_lock.mutex == NULL) {
bt_mesh_mutex_create(&settings_lock);
}
}
#if CONFIG_BLE_MESH_DEINIT
static inline void bt_mesh_settings_mutex_free(void)
{
bt_mesh_mutex_free(&settings_lock);
}
#endif /* CONFIG_BLE_MESH_DEINIT */
void bt_mesh_settings_lock(void)
{
bt_mesh_mutex_lock(&settings_lock);
}
void bt_mesh_settings_unlock(void)
{
bt_mesh_mutex_unlock(&settings_lock);
}
static int role_set(const char *name)
{
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)bt_mesh.flags, sizeof(bt_mesh.flags), &exist);
if (err) {
BT_ERR("Failed to load mesh device role");
return err;
}
if (exist == false) {
#if CONFIG_BLE_MESH_SETTINGS_BACKWARD_COMPATIBILITY
if (IS_ENABLED(CONFIG_BLE_MESH_NODE) &&
!IS_ENABLED(CONFIG_BLE_MESH_PROVISIONER)) {
bt_mesh_atomic_set_bit(bt_mesh.flags, BLE_MESH_NODE);
}
#else
return 0;
#endif
}
return 0;
}
static int net_set(const char *name)
{
struct net_val net = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&net, sizeof(net), &exist);
if (err) {
BT_ERR("Failed to load node net info");
memset(bt_mesh.dev_key, 0, sizeof(bt_mesh.dev_key));
bt_mesh_comp_unprovision();
return 0;
}
if (exist == false) {
return 0;
}
memcpy(bt_mesh.dev_key, net.dev_key, sizeof(bt_mesh.dev_key));
bt_mesh_comp_provision(net.primary_addr);
BT_INFO("Restored Primary Address 0x%04x", net.primary_addr);
BT_INFO("Restored DevKey %s", bt_hex(bt_mesh.dev_key, 16));
return 0;
}
static int iv_set(const char *name)
{
struct iv_val iv = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&iv, sizeof(iv), &exist);
if (err) {
BT_ERR("Failed to load iv_index");
bt_mesh.iv_index = 0U;
bt_mesh_atomic_clear_bit(bt_mesh.flags, BLE_MESH_IVU_IN_PROGRESS);
return 0;
}
if (exist == false) {
return 0;
}
bt_mesh.iv_index = iv.iv_index;
bt_mesh_atomic_set_bit_to(bt_mesh.flags, BLE_MESH_IVU_IN_PROGRESS, iv.iv_update);
bt_mesh.ivu_duration = iv.iv_duration;
BT_INFO("Restored IV Index 0x%08x (IV Update Flag %u) duration %u hours",
iv.iv_index, iv.iv_update, iv.iv_duration);
return 0;
}
static int seq_set(const char *name)
{
struct seq_val seq = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&seq, sizeof(seq), &exist);
if (err) {
BT_ERR("Failed to load sequence number");
bt_mesh.seq = 0U;
return 0;
}
if (exist == false) {
return 0;
}
bt_mesh.seq = sys_get_le24(seq.val);
#if CONFIG_BLE_MESH_SEQ_STORE_RATE > 0
/* Make sure we have a large enough sequence number. We
* subtract 1 so that the first transmission causes a write
* to the settings storage.
*/
bt_mesh.seq += (CONFIG_BLE_MESH_SEQ_STORE_RATE -
(bt_mesh.seq % CONFIG_BLE_MESH_SEQ_STORE_RATE));
bt_mesh.seq--;
#endif
BT_INFO("Restored Sequence Number 0x%06x", bt_mesh.seq);
return 0;
}
static struct bt_mesh_rpl *rpl_find(uint16_t src)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.rpl); i++) {
if (bt_mesh.rpl[i].src == src) {
return &bt_mesh.rpl[i];
}
}
return NULL;
}
static struct bt_mesh_rpl *rpl_alloc(uint16_t src)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.rpl); i++) {
if (bt_mesh.rpl[i].src == BLE_MESH_ADDR_UNASSIGNED) {
bt_mesh.rpl[i].src = src;
return &bt_mesh.rpl[i];
}
}
return NULL;
}
static int rpl_set(const char *name)
{
struct net_buf_simple *buf = NULL;
struct bt_mesh_rpl *entry = NULL;
struct rpl_val rpl = {0};
char get[16] = {'\0'};
bool exist = false;
size_t length = 0U;
int err = 0;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t src = net_buf_simple_pull_le16(buf);
if (!BLE_MESH_ADDR_IS_UNICAST(src)) {
BT_ERR("Invalid source address 0x%04x", src);
continue;
}
sprintf(get, "mesh/rpl/%04x", src);
err = bt_mesh_load_core_settings(get, (uint8_t *)&rpl, sizeof(rpl), &exist);
if (err) {
BT_ERR("Failed to load RPL entry 0x%04x", src);
continue;
}
if (exist == false) {
continue;
}
entry = rpl_find(src);
if (!entry) {
entry = rpl_alloc(src);
if (!entry) {
BT_ERR("No space for a new RPL 0x%04x", src);
err = -ENOMEM;
goto free;
}
}
entry->src = src;
entry->seq = rpl.seq;
entry->old_iv = rpl.old_iv;
BT_INFO("Restored RPL entry 0x%04x: seq 0x%06x, old_iv %u", src, rpl.seq, rpl.old_iv);
}
free:
bt_mesh_free_buf(buf);
return err;
}
static struct bt_mesh_subnet *subnet_alloc(uint16_t net_idx)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.sub); i++) {
if (bt_mesh.sub[i].net_idx == BLE_MESH_KEY_UNUSED) {
bt_mesh.sub[i].net_idx = net_idx;
return &bt_mesh.sub[i];
}
}
return NULL;
}
static int net_key_set(const char *name)
{
struct net_buf_simple *buf = NULL;
struct bt_mesh_subnet *sub = NULL;
struct net_key_val key = {0};
char get[16] = {'\0'};
bool exist = false;
size_t length = 0U;
int err = 0;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t net_idx = net_buf_simple_pull_le16(buf);
sprintf(get, "mesh/nk/%04x", net_idx);
err = bt_mesh_load_core_settings(get, (uint8_t *)&key, sizeof(key), &exist);
if (err) {
BT_ERR("Failed to load NetKey 0x%03x", net_idx);
continue;
}
if (exist == false) {
continue;
}
sub = bt_mesh_subnet_get(net_idx);
if (!sub) {
sub = subnet_alloc(net_idx);
if (!sub) {
BT_ERR("No space for a new subnet 0x%03x", net_idx);
err = -ENOMEM;
goto free;
}
}
sub->net_idx = net_idx;
sub->kr_flag = key.kr_flag;
sub->kr_phase = key.kr_phase;
memcpy(sub->keys[0].net, &key.val[0], 16);
memcpy(sub->keys[1].net, &key.val[1], 16);
BT_INFO("Restored NetKeyIndex 0x%03x", sub->net_idx);
BT_INFO("Restored NetKey %s", bt_hex(sub->keys[0].net, 16));
}
free:
bt_mesh_free_buf(buf);
return err;
}
static int app_key_set(const char *name)
{
struct bt_mesh_app_key *app = NULL;
struct bt_mesh_subnet *sub = NULL;
struct net_buf_simple *buf = NULL;
struct app_key_val key = {0};
char get[16] = {'\0'};
bool exist = false;
size_t length = 0U;
int err = 0;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t app_idx = net_buf_simple_pull_le16(buf);
sprintf(get, "mesh/ak/%04x", app_idx);
err = bt_mesh_load_core_settings(get, (uint8_t *)&key, sizeof(key), &exist);
if (err) {
BT_ERR("Failed to load AppKey 0x%03x", app_idx);
continue;
}
if (exist == false) {
continue;
}
sub = bt_mesh_subnet_get(key.net_idx);
if (!sub) {
BT_ERR("Failed to find subnet 0x%03x", key.net_idx);
continue;
}
app = bt_mesh_app_key_find(app_idx);
if (!app) {
app = bt_mesh_app_key_alloc(app_idx);
if (!app) {
BT_ERR("No space for a new appkey 0x%03x", app_idx);
err = -ENOMEM;
goto free;
}
}
app->net_idx = key.net_idx;
app->app_idx = app_idx;
app->updated = key.updated;
memcpy(app->keys[0].val, key.val[0], 16);
memcpy(app->keys[1].val, key.val[1], 16);
bt_mesh_app_id(app->keys[0].val, &app->keys[0].id);
bt_mesh_app_id(app->keys[1].val, &app->keys[1].id);
BT_INFO("Restored AppKeyIndex 0x%03x, NetKeyIndex 0x%03x",
app->app_idx, app->net_idx);
BT_INFO("Restored AppKey %s", bt_hex(app->keys[0].val, 16));
}
free:
bt_mesh_free_buf(buf);
return err;
}
static int hb_pub_set(const char *name)
{
struct bt_mesh_hb_pub *hb_pub = bt_mesh_hb_pub_get();
struct hb_pub_val hb_val = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
if (!hb_pub) {
BT_ERR("Invalid heartbeat publication");
return -EINVAL;
}
err = bt_mesh_load_core_settings(name, (uint8_t *)&hb_val, sizeof(hb_val), &exist);
if (err) {
BT_ERR("Failed to load heartbeat publication");
hb_pub->dst = BLE_MESH_ADDR_UNASSIGNED;
hb_pub->count = 0U;
hb_pub->ttl = 0U;
hb_pub->period = 0U;
hb_pub->feat = 0U;
return 0;
}
if (exist == false) {
return 0;
}
hb_pub->dst = hb_val.dst;
hb_pub->period = hb_val.period;
hb_pub->ttl = hb_val.ttl;
hb_pub->feat = hb_val.feat;
hb_pub->net_idx = hb_val.net_idx;
if (hb_val.indefinite) {
hb_pub->count = 0xffff;
} else {
hb_pub->count = 0U;
}
BT_INFO("Restored Heartbeat Publication, dst 0x%04x, period %d, net_idx 0x%03x",
hb_pub->dst, hb_pub->period, hb_pub->net_idx);
return 0;
}
static int cfg_set(const char *name)
{
struct bt_mesh_cfg_srv *cfg = bt_mesh_cfg_get();
struct cfg_val val = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
if (!cfg) {
BT_ERR("Invalid configuration");
stored_cfg.valid = false;
return -EINVAL;
}
err = bt_mesh_load_core_settings(name, (uint8_t *)&val, sizeof(val), &exist);
if (err) {
BT_ERR("Failed to load configuration state");
stored_cfg.valid = false;
return 0;
}
if (exist == false) {
return 0;
}
memcpy(&stored_cfg.cfg, &val, sizeof(val));
stored_cfg.valid = true;
BT_INFO("Restored Configuration, ttl %d, transmit 0x%02x, retransmit 0x%02x",
val.default_ttl, val.net_transmit, val.relay_retransmit);
return 0;
}
static int model_set_bind(bool vnd, struct bt_mesh_model *model, uint16_t model_key)
{
char name[16] = {'\0'};
bool exist = false;
int err = 0;
int i;
/* Start with empty array regardless of cleared or set value */
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
model->keys[i] = BLE_MESH_KEY_UNUSED;
}
sprintf(name, "mesh/%s/%04x/b", vnd ? "v" : "s", model_key);
err = bt_mesh_load_core_settings(name, (uint8_t *)model->keys, sizeof(model->keys), &exist);
if (err) {
BT_ERR("Failed to load model bound keys");
return -EIO;
}
if (exist == true) {
BT_INFO("Restored Model Bound AppKey, index %s", bt_hex(model->keys, sizeof(model->keys)));
}
return 0;
}
static int model_set_sub(bool vnd, struct bt_mesh_model *model, uint16_t model_key)
{
char name[16] = {'\0'};
bool exist = false;
int err = 0;
int i;
/* Start with empty array regardless of cleared or set value */
for (i = 0; i < ARRAY_SIZE(model->groups); i++) {
model->groups[i] = BLE_MESH_ADDR_UNASSIGNED;
}
sprintf(name, "mesh/%s/%04x/s", vnd ? "v" : "s", model_key);
err = bt_mesh_load_core_settings(name, (uint8_t *)model->groups, sizeof(model->groups), &exist);
if (err) {
BT_ERR("Failed to load model subscriptions");
return -EIO;
}
if (exist == true) {
BT_INFO("Restored Model Subscription, address %s", bt_hex(model->groups, sizeof(model->groups)));
}
return 0;
}
static int model_set_pub(bool vnd, struct bt_mesh_model *model, uint16_t model_key)
{
struct mod_pub_val pub = {0};
char name[16] = {'\0'};
bool exist = false;
int err = 0;
if (!model->pub) {
BT_INFO("Not support publication, model_id 0x%04x, cid 0x%04x",
vnd ? model->vnd.id : model->id, vnd ? model->vnd.company : 0xFFFF);
return 0;
}
sprintf(name, "mesh/%s/%04x/p", vnd ? "v" : "s", model_key);
err = bt_mesh_load_core_settings(name, (uint8_t *)&pub, sizeof(pub), &exist);
if (err) {
BT_ERR("Failed to load model publication");
model->pub->addr = BLE_MESH_ADDR_UNASSIGNED;
model->pub->key = 0U;
model->pub->cred = 0U;
model->pub->ttl = 0U;
model->pub->period = 0U;
model->pub->retransmit = 0U;
model->pub->count = 0U;
return -EIO;
}
if (exist == false) {
return 0;
}
model->pub->addr = pub.addr;
model->pub->key = pub.key;
model->pub->cred = pub.cred;
model->pub->ttl = pub.ttl;
model->pub->period = pub.period;
model->pub->retransmit = pub.retransmit;
model->pub->count = 0U;
BT_INFO("Restored Model Publication, address 0x%04x, app_idx 0x%03x", pub.addr, pub.key);
return 0;
}
static int model_set(bool vnd, const char *name)
{
struct bt_mesh_model *model = NULL;
struct net_buf_simple *buf = NULL;
uint8_t elem_idx = 0U, model_idx = 0U;
size_t length = 0U;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t model_key = net_buf_simple_pull_le16(buf);
elem_idx = BLE_MESH_GET_ELEM_IDX(model_key);
model_idx = BLE_MESH_GET_MODEL_IDX(model_key);
model = bt_mesh_model_get(vnd, elem_idx, model_idx);
if (!model) {
BT_ERR("%s model not found, elem_idx %u, model_idx %u",
vnd ? "vnd" : "sig", elem_idx, model_idx);
continue;
}
model_set_bind(vnd, model, model_key);
model_set_sub(vnd, model, model_key);
model_set_pub(vnd, model, model_key);
}
bt_mesh_free_buf(buf);
return 0;
}
static int sig_mod_set(const char *name)
{
return model_set(false, name);
}
static int vnd_mod_set(const char *name)
{
return model_set(true, name);
}
#if CONFIG_BLE_MESH_LABEL_COUNT > 0
static int va_set(const char *name)
{
struct net_buf_simple *buf = NULL;
struct va_val va = {0};
char get[16] = {'\0'};
struct label *lab = NULL;
size_t length = 0U;
bool exist = false;
int err = 0;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t index = net_buf_simple_pull_le16(buf);
sprintf(get, "mesh/va/%04x", index);
err = bt_mesh_load_core_settings(get, (uint8_t *)&va, sizeof(va), &exist);
if (err) {
BT_ERR("Failed to load virtual address 0x%04x", index);
continue;
}
if (exist == false) {
continue;
}
if (va.ref == 0) {
BT_DBG("Ignore virtual address %s with ref = 0", get);
continue;
}
lab = get_label(index);
if (lab == NULL) {
BT_WARN("Out of labels buffers");
err = -ENOBUFS;
goto free;
}
memcpy(lab->uuid, va.uuid, 16);
lab->addr = va.addr;
lab->ref = va.ref;
BT_INFO("Restored Virtual Address 0x%04x, ref 0x%04x", index, lab->ref);
}
free:
bt_mesh_free_buf(buf);
return err;
}
#endif
#if CONFIG_BLE_MESH_PROVISIONER
static int p_prov_set(const char *name)
{
struct prov_info val = {0};
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&val, sizeof(val), &exist);
if (err) {
BT_ERR("Failed to load next address allocation");
return 0;
}
if (exist == false) {
return 0;
}
bt_mesh_provisioner_restore_prov_info(val.primary_addr, val.alloc_addr);
BT_INFO("Restored Primary Address 0x%04x, next address alloc 0x%04x",
val.primary_addr, val.alloc_addr);
return 0;
}
static int p_net_idx_set(const char *name)
{
uint16_t net_idx = 0U;
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&net_idx, sizeof(net_idx), &exist);
if (err) {
BT_ERR("Failed to load next NetKeyIndex alloc");
return 0;
}
if (exist == false) {
return 0;
}
bt_mesh.p_net_idx_next = net_idx;
BT_INFO("Restored next NetKeyIndex alloc 0x%03x", bt_mesh.p_net_idx_next);
return 0;
}
static int p_app_idx_set(const char *name)
{
uint16_t app_idx = 0U;
bool exist = false;
int err = 0;
BT_DBG("%s", __func__);
err = bt_mesh_load_core_settings(name, (uint8_t *)&app_idx, sizeof(app_idx), &exist);
if (err) {
BT_ERR("Failed to load next AppKeyIndex alloc");
return 0;
}
if (exist == false) {
return 0;
}
bt_mesh.p_app_idx_next = app_idx;
BT_INFO("Restored next AppKeyIndex alloc 0x%03x", bt_mesh.p_app_idx_next);
return 0;
}
static struct bt_mesh_subnet *p_subnet_alloc(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
if (bt_mesh.p_sub[i] == NULL) {
bt_mesh.p_sub[i] = bt_mesh_calloc(sizeof(struct bt_mesh_subnet));
if (!bt_mesh.p_sub[i]) {
BT_ERR("%s, Out of memory", __func__);
return NULL;
}
return bt_mesh.p_sub[i];
}
}
return NULL;
}
static struct bt_mesh_app_key *p_appkey_alloc(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
if (bt_mesh.p_app_keys[i] == NULL) {
bt_mesh.p_app_keys[i] = bt_mesh_calloc(sizeof(struct bt_mesh_app_key));
if (!bt_mesh.p_app_keys[i]) {
BT_ERR("%s, Out of memory", __func__);
return NULL;
}
return bt_mesh.p_app_keys[i];
}
}
return NULL;
}
static int p_net_key_set(const char *name)
{
struct net_buf_simple *buf = NULL;
struct bt_mesh_subnet *sub = NULL;
struct net_key_val key = {0};
char get[16] = {'\0'};
size_t length = 0U;
bool exist = false;
int err = 0;
int i;
BT_DBG("%s", __func__);
buf = bt_mesh_get_core_settings_item(name);
if (!buf) {
return 0;
}
length = buf->len;
for (i = 0; i < length / SETTINGS_ITEM_SIZE; i++) {
uint16_t net_idx = net_buf_simple_pull_le16(buf);
sprintf(get, "mesh/pnk/%04x", net_idx);
err = bt_mesh_load_core_settings(get, (uint8_t *)&key, sizeof(key), &exist);
if (err) {
BT_ERR("Failed to load NetKey 0x%03x", net_idx);
continue;
}
if (exist == false) {
continue;
}
sub = bt_mesh_provisioner_subnet_get(net_idx);
if (!sub) {
sub = p_subnet_alloc();
if (!sub) {
BT_ERR("No space for a new subnet 0x%03x", net_idx);
err = -ENOMEM;
goto free;
}
}
sub->net_idx = net_idx;
sub->kr_flag = key.kr_flag;
sub->kr_phase = key.kr_phase;
memcpy(sub->keys[0].net, &key.val[0], 16);
memcpy(sub->keys[1].net, &key.val[1], 16);