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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2019 SILVAIR sp. z o.o. All rights reserved.
*
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "lib/bluetooth.h"
#include "lib/mgmt.h"
#include "src/shared/mgmt.h"
#include "ell/queue.h"
#include "ell/log.h"
#include "ell/util.h"
#include "mesh/mesh-mgmt.h"
struct read_info_reg {
mesh_mgmt_read_info_func_t cb;
void *user_data;
};
struct read_info_req {
int index;
struct mesh_io *io;
};
static struct mgmt *mgmt_mesh;
static struct l_queue *read_info_regs;
static void process_read_info_req(void *data, void *user_data)
{
struct read_info_reg *reg = data;
int index = L_PTR_TO_UINT(user_data);
reg->cb(index, reg->user_data);
}
static void read_info_cb(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
int index = L_PTR_TO_UINT(user_data);
const struct mgmt_rp_read_info *rp = param;
uint32_t current_settings, supported_settings;
l_debug("hci %u status 0x%02x", index, status);
if (status != MGMT_STATUS_SUCCESS) {
l_error("Failed to read info for hci index %u: %s (0x%02x)",
index, mgmt_errstr(status), status);
return;
}
if (length < sizeof(*rp)) {
l_error("Read info response too short");
return;
}
current_settings = btohl(rp->current_settings);
supported_settings = btohl(rp->supported_settings);
l_debug("settings: supp %8.8x curr %8.8x",
supported_settings, current_settings);
if (current_settings & MGMT_SETTING_POWERED) {
l_info("Controller hci %u is in use", index);
return;
}
if (!(supported_settings & MGMT_SETTING_LE)) {
l_info("Controller hci %u does not support LE", index);
return;
}
l_queue_foreach(read_info_regs, process_read_info_req,
L_UINT_TO_PTR(index));
}
static void index_added(uint16_t index, uint16_t length, const void *param,
void *user_data)
{
mgmt_send(mgmt_mesh, MGMT_OP_READ_INFO, index, 0, NULL,
read_info_cb, L_UINT_TO_PTR(index), NULL);
}
static void index_removed(uint16_t index, uint16_t length, const void *param,
void *user_data)
{
l_warn("Hci dev %4.4x removed", index);
}
static void read_index_list_cb(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_read_index_list *rp = param;
uint16_t num;
int i;
if (status != MGMT_STATUS_SUCCESS) {
l_error("Failed to read index list: %s (0x%02x)",
mgmt_errstr(status), status);
return;
}
if (length < sizeof(*rp)) {
l_error("Read index list response sixe too short");
return;
}
num = btohs(rp->num_controllers);
l_debug("Number of controllers: %u", num);
if (num * sizeof(uint16_t) + sizeof(*rp) != length) {
l_error("Incorrect packet size for index list response");
return;
}
for (i = 0; i < num; i++) {
uint16_t index;
index = btohs(rp->index[i]);
index_added(index, 0, NULL, user_data);
}
}
static bool mesh_mgmt_init(void)
{
if (!read_info_regs)
read_info_regs = l_queue_new();
if (!mgmt_mesh) {
mgmt_mesh = mgmt_new_default();
if (!mgmt_mesh) {
l_error("Failed to initialize mesh management");
return false;
}
mgmt_register(mgmt_mesh, MGMT_EV_INDEX_ADDED,
MGMT_INDEX_NONE, index_added, NULL, NULL);
mgmt_register(mgmt_mesh, MGMT_EV_INDEX_REMOVED,
MGMT_INDEX_NONE, index_removed, NULL, NULL);
}
return true;
}
bool mesh_mgmt_list(mesh_mgmt_read_info_func_t cb, void *user_data)
{
struct read_info_reg *reg;
if (!mesh_mgmt_init())
return false;
reg = l_new(struct read_info_reg, 1);
reg->cb = cb;
reg->user_data = user_data;
l_queue_push_tail(read_info_regs, reg);
/* Use MGMT to find a candidate controller */
l_debug("send read index_list");
if (mgmt_send(mgmt_mesh, MGMT_OP_READ_INDEX_LIST,
MGMT_INDEX_NONE, 0, NULL,
read_index_list_cb, NULL, NULL) <= 0)
return false;
return true;
}
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