kopia lustrzana https://github.com/espressif/esp-idf
368 wiersze
9.7 KiB
C
368 wiersze
9.7 KiB
C
/* Bluetooth Mesh */
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/*
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* SPDX-FileCopyrightText: 2017 Intel Corporation
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* SPDX-FileContributor: 2020-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include "btc_ble_mesh_ble.h"
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#include "mesh_config.h"
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#include "mesh_trace.h"
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#include "mesh_buf.h"
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#include "mesh_uuid.h"
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#include "scan.h"
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#include "beacon.h"
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#include "net.h"
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#include "prov.h"
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#include "proxy_client.h"
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#include "proxy_server.h"
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#include "provisioner_prov.h"
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#include "mesh_bearer_adapt.h"
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/* Scan Window and Interval are equal for continuous scanning */
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#define SCAN_INTERVAL 0x20
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#define SCAN_WINDOW 0x20
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#define PROV_SVC_DATA_LEN 0x12
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#define PROXY_SVC_DATA_LEN_NET_ID 0x09
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#define PROXY_SVC_DATA_LEN_NODE_ID 0x11
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#if CONFIG_BLE_MESH_PROVISIONER
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static const bt_mesh_addr_t *unprov_dev_addr;
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const bt_mesh_addr_t *bt_mesh_get_unprov_dev_addr(void)
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{
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return unprov_dev_addr;
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}
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#endif /* CONFIG_BLE_MESH_PROVISIONER */
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#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
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CONFIG_BLE_MESH_GATT_PROXY_CLIENT
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static bool adv_flags_valid(struct net_buf_simple *buf)
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{
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uint8_t flags = 0U;
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if (buf->len != 1U) {
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BT_DBG("Unexpected adv flags length %d", buf->len);
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return false;
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}
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flags = net_buf_simple_pull_u8(buf);
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BT_DBG("Received adv pkt with flags: 0x%02x", flags);
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/* Flags context will not be checked currently */
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ARG_UNUSED(flags);
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return true;
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}
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static bool adv_service_uuid_valid(struct net_buf_simple *buf, uint16_t *uuid)
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{
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if (buf->len != 2U) {
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BT_DBG("Length not match mesh service uuid");
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return false;
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}
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*uuid = net_buf_simple_pull_le16(buf);
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BT_DBG("Received adv pkt with service UUID: %d", *uuid);
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if (*uuid != BLE_MESH_UUID_MESH_PROV_VAL &&
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*uuid != BLE_MESH_UUID_MESH_PROXY_VAL) {
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return false;
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}
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if (*uuid == BLE_MESH_UUID_MESH_PROV_VAL &&
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bt_mesh_is_provisioner_en() == false) {
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return false;
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}
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if (*uuid == BLE_MESH_UUID_MESH_PROXY_VAL &&
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!IS_ENABLED(CONFIG_BLE_MESH_GATT_PROXY_CLIENT)) {
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return false;
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}
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return true;
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}
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static void handle_adv_service_data(struct net_buf_simple *buf,
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const bt_mesh_addr_t *addr,
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uint16_t uuid, int8_t rssi)
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{
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uint16_t type = 0U;
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if (!buf || !addr) {
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BT_ERR("%s, Invalid parameter", __func__);
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return;
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}
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type = net_buf_simple_pull_le16(buf);
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if (type != uuid) {
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BT_DBG("Invalid Mesh Service Data UUID 0x%04x", type);
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return;
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}
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switch (type) {
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#if CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT
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case BLE_MESH_UUID_MESH_PROV_VAL:
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if (bt_mesh_is_provisioner_en()) {
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if (buf->len != PROV_SVC_DATA_LEN) {
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BT_WARN("Invalid Mesh Prov Service Data length %d", buf->len);
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return;
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}
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BT_DBG("Start to handle Mesh Prov Service Data");
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bt_mesh_provisioner_prov_adv_recv(buf, addr, rssi);
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}
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break;
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#endif
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#if CONFIG_BLE_MESH_GATT_PROXY_CLIENT
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case BLE_MESH_UUID_MESH_PROXY_VAL:
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if (buf->len != PROXY_SVC_DATA_LEN_NET_ID &&
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buf->len != PROXY_SVC_DATA_LEN_NODE_ID) {
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BT_WARN("Invalid Mesh Proxy Service Data length %d", buf->len);
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return;
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}
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BT_DBG("Start to handle Mesh Proxy Service Data");
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bt_mesh_proxy_client_gatt_adv_recv(buf, addr, rssi);
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break;
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#endif
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default:
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break;
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}
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}
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#endif /* (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
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CONFIG_BLE_MESH_GATT_PROXY_CLIENT */
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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static bool ble_scan_en;
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int bt_mesh_start_ble_scan(struct bt_mesh_ble_scan_param *param)
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{
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if (ble_scan_en == true) {
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BT_WARN("%s, Already", __func__);
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return -EALREADY;
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}
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ble_scan_en = true;
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return 0;
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}
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int bt_mesh_stop_ble_scan(void)
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{
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if (ble_scan_en == false) {
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BT_WARN("%s, Already", __func__);
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return -EALREADY;
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}
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ble_scan_en = false;
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return 0;
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}
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static void inline callback_ble_adv_pkt(const bt_mesh_addr_t *addr,
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uint8_t adv_type, uint8_t data[],
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uint16_t length, int8_t rssi)
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{
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if (ble_scan_en) {
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bt_mesh_ble_scan_cb_evt_to_btc(addr, adv_type, data, length, rssi);
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}
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}
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#endif /* CONFIG_BLE_MESH_SUPPORT_BLE_SCAN */
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static void bt_mesh_scan_cb(const bt_mesh_addr_t *addr,
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int8_t rssi, uint8_t adv_type,
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struct net_buf_simple *buf)
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{
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#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
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CONFIG_BLE_MESH_GATT_PROXY_CLIENT
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uint16_t uuid = 0U;
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#endif
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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uint8_t *adv_data = buf->data;
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uint16_t adv_len = buf->len;
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#endif
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if (adv_type != BLE_MESH_ADV_NONCONN_IND && adv_type != BLE_MESH_ADV_IND) {
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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BT_DBG("scan, len %u: %s", buf->len, bt_hex(buf->data, buf->len));
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#if CONFIG_BLE_MESH_PROVISIONER
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unprov_dev_addr = addr;
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#endif
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while (buf->len > 1) {
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struct net_buf_simple_state state;
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uint8_t len, type;
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len = net_buf_simple_pull_u8(buf);
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/* Check for early termination */
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if (len == 0U) {
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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if (len > buf->len) {
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BT_DBG("AD malformed");
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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net_buf_simple_save(buf, &state);
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type = net_buf_simple_pull_u8(buf);
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buf->len = len - 1;
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#if 0
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/* TODO: Check with BLE Mesh BQB test cases */
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if ((type == BLE_MESH_DATA_MESH_PROV || type == BLE_MESH_DATA_MESH_MESSAGE ||
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type == BLE_MESH_DATA_MESH_BEACON) && (adv_type != BLE_MESH_ADV_NONCONN_IND)) {
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BT_DBG("Ignore mesh packet (type 0x%02x) with adv_type 0x%02x", type, adv_type);
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return;
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}
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#endif
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switch (type) {
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case BLE_MESH_DATA_MESH_MESSAGE:
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bt_mesh_net_recv(buf, rssi, BLE_MESH_NET_IF_ADV);
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break;
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#if CONFIG_BLE_MESH_PB_ADV
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case BLE_MESH_DATA_MESH_PROV:
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if (IS_ENABLED(CONFIG_BLE_MESH_NODE) && bt_mesh_is_node()) {
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bt_mesh_pb_adv_recv(buf);
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}
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if (IS_ENABLED(CONFIG_BLE_MESH_PROVISIONER) && bt_mesh_is_provisioner_en()) {
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bt_mesh_provisioner_pb_adv_recv(buf);
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}
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break;
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#endif /* CONFIG_BLE_MESH_PB_ADV */
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case BLE_MESH_DATA_MESH_BEACON:
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bt_mesh_beacon_recv(buf, rssi);
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break;
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#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
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CONFIG_BLE_MESH_GATT_PROXY_CLIENT
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case BLE_MESH_DATA_FLAGS:
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if (!adv_flags_valid(buf)) {
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BT_DBG("Adv Flags mismatch, ignore this adv pkt");
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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break;
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case BLE_MESH_DATA_UUID16_ALL:
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if (!adv_service_uuid_valid(buf, &uuid)) {
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BT_DBG("Adv Service UUID mismatch, ignore this adv pkt");
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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break;
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case BLE_MESH_DATA_SVC_DATA16:
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handle_adv_service_data(buf, addr, uuid, rssi);
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break;
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#endif
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default:
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#if CONFIG_BLE_MESH_SUPPORT_BLE_SCAN
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callback_ble_adv_pkt(addr, adv_type, adv_data, adv_len, rssi);
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#endif
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return;
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}
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net_buf_simple_restore(buf, &state);
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net_buf_simple_pull(buf, len);
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}
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}
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int bt_mesh_scan_enable(void)
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{
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int err = 0;
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struct bt_mesh_scan_param scan_param = {
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.type = BLE_MESH_SCAN_PASSIVE,
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#if CONFIG_BLE_MESH_USE_DUPLICATE_SCAN
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.filter_dup = BLE_MESH_SCAN_FILTER_DUP_ENABLE,
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#else
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.filter_dup = BLE_MESH_SCAN_FILTER_DUP_DISABLE,
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#endif
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.interval = SCAN_INTERVAL,
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.window = SCAN_WINDOW,
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.scan_fil_policy = BLE_MESH_SP_ADV_ALL,
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};
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BT_DBG("%s", __func__);
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err = bt_le_scan_start(&scan_param, bt_mesh_scan_cb);
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if (err && err != -EALREADY) {
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BT_ERR("starting scan failed (err %d)", err);
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return err;
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}
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return 0;
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}
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int bt_mesh_scan_disable(void)
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{
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int err = 0;
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BT_DBG("%s", __func__);
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err = bt_le_scan_stop();
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if (err && err != -EALREADY) {
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BT_ERR("stopping scan failed (err %d)", err);
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return err;
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}
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return 0;
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}
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#if CONFIG_BLE_MESH_TEST_USE_WHITE_LIST
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int bt_mesh_scan_with_wl_enable(void)
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{
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int err = 0;
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struct bt_mesh_scan_param scan_param = {
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.type = BLE_MESH_SCAN_PASSIVE,
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#if CONFIG_BLE_MESH_USE_DUPLICATE_SCAN
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.filter_dup = BLE_MESH_SCAN_FILTER_DUP_ENABLE,
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#else
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.filter_dup = BLE_MESH_SCAN_FILTER_DUP_DISABLE,
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#endif
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.interval = SCAN_INTERVAL,
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.window = SCAN_WINDOW,
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.scan_fil_policy = BLE_MESH_SP_ADV_WL,
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};
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BT_DBG("%s", __func__);
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err = bt_le_scan_start(&scan_param, bt_mesh_scan_cb);
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if (err && err != -EALREADY) {
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BT_ERR("starting scan failed (err %d)", err);
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return err;
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}
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return 0;
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}
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#endif /* CONFIG_BLE_MESH_TEST_USE_WHITE_LIST */
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