132 lines
2.3 KiB
C
132 lines
2.3 KiB
C
/* hci_userchan.c - HCI user channel Bluetooth handling */
|
|
|
|
/*
|
|
* Copyright (c) 2015-2016 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <atomic.h>
|
|
|
|
#include <bluetooth/hci_driver.h>
|
|
#include <bluetooth/hci_raw.h>
|
|
|
|
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_CORE)
|
|
#include "common/log.h"
|
|
|
|
#include "hci_ecc.h"
|
|
#include "monitor.h"
|
|
#include "hci_raw_internal.h"
|
|
|
|
static struct k_fifo *raw_rx;
|
|
|
|
NET_BUF_POOL_DEFINE(hci_rx_pool, CONFIG_BT_RX_BUF_COUNT,
|
|
BT_BUF_RX_SIZE, BT_BUF_USER_DATA_MIN, NULL);
|
|
|
|
struct bt_dev_raw bt_dev;
|
|
|
|
int bt_hci_driver_register(const struct bt_hci_driver *drv)
|
|
{
|
|
if (bt_dev.drv) {
|
|
return -EALREADY;
|
|
}
|
|
|
|
if (!drv->open || !drv->send) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
bt_dev.drv = drv;
|
|
|
|
BT_DBG("Registered %s", drv->name ? drv->name : "");
|
|
|
|
bt_monitor_new_index(BT_MONITOR_TYPE_PRIMARY, drv->bus,
|
|
BT_ADDR_ANY, drv->name ? drv->name : "bt0");
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct net_buf *bt_buf_get_rx(enum bt_buf_type type, s32_t timeout)
|
|
{
|
|
struct net_buf *buf;
|
|
|
|
buf = net_buf_alloc(&hci_rx_pool, timeout);
|
|
|
|
if (buf) {
|
|
bt_buf_set_type(buf, type);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
struct net_buf *bt_buf_get_cmd_complete(s32_t timeout)
|
|
{
|
|
struct net_buf *buf;
|
|
|
|
buf = net_buf_alloc(&hci_rx_pool, timeout);
|
|
if (buf) {
|
|
bt_buf_set_type(buf, BT_BUF_EVT);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
int bt_recv(struct net_buf *buf)
|
|
{
|
|
BT_DBG("buf %p len %u", buf, buf->len);
|
|
|
|
bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);
|
|
|
|
/* Queue to RAW rx queue */
|
|
net_buf_put(raw_rx, buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bt_recv_prio(struct net_buf *buf)
|
|
{
|
|
return bt_recv(buf);
|
|
}
|
|
|
|
int bt_send(struct net_buf *buf)
|
|
{
|
|
BT_DBG("buf %p len %u", buf, buf->len);
|
|
|
|
bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);
|
|
|
|
if (IS_ENABLED(CONFIG_BT_TINYCRYPT_ECC)) {
|
|
return bt_hci_ecc_send(buf);
|
|
}
|
|
|
|
return bt_dev.drv->send(buf);
|
|
}
|
|
|
|
int bt_enable_raw(struct k_fifo *rx_queue)
|
|
{
|
|
const struct bt_hci_driver *drv = bt_dev.drv;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
raw_rx = rx_queue;
|
|
|
|
if (!bt_dev.drv) {
|
|
BT_ERR("No HCI driver registered");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_BT_TINYCRYPT_ECC)) {
|
|
bt_hci_ecc_init();
|
|
}
|
|
|
|
err = drv->open();
|
|
if (err) {
|
|
BT_ERR("HCI driver open failed (%d)", err);
|
|
return err;
|
|
}
|
|
|
|
BT_INFO("Bluetooth enabled in RAW mode");
|
|
|
|
return 0;
|
|
}
|