145 lines
2.5 KiB
C
145 lines
2.5 KiB
C
/* hci_userchan.c - HCI user channel Bluetooth handling */
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/*
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <errno.h>
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#include <sys/atomic.h>
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#include <bluetooth/hci_driver.h>
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#include <bluetooth/hci_raw.h>
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#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_CORE)
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#define LOG_MODULE_NAME bt_hci_raw
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#include "common/log.h"
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#include "hci_ecc.h"
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#include "monitor.h"
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#include "hci_raw_internal.h"
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static struct k_fifo *raw_rx;
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NET_BUF_POOL_DEFINE(hci_rx_pool, CONFIG_BT_RX_BUF_COUNT,
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BT_BUF_RX_SIZE, BT_BUF_USER_DATA_MIN, NULL);
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struct bt_dev_raw bt_dev;
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int bt_hci_driver_register(const struct bt_hci_driver *drv)
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{
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if (bt_dev.drv) {
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return -EALREADY;
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}
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if (!drv->open || !drv->send) {
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return -EINVAL;
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}
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bt_dev.drv = drv;
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BT_DBG("Registered %s", drv->name ? drv->name : "");
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bt_monitor_new_index(BT_MONITOR_TYPE_PRIMARY, drv->bus,
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BT_ADDR_ANY, drv->name ? drv->name : "bt0");
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return 0;
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}
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struct net_buf *bt_buf_get_rx(enum bt_buf_type type, s32_t timeout)
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{
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struct net_buf *buf;
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buf = net_buf_alloc(&hci_rx_pool, timeout);
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if (buf) {
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bt_buf_set_type(buf, type);
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}
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return buf;
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}
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struct net_buf *bt_buf_get_cmd_complete(s32_t timeout)
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{
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struct net_buf *buf;
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buf = net_buf_alloc(&hci_rx_pool, timeout);
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if (buf) {
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bt_buf_set_type(buf, BT_BUF_EVT);
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}
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return buf;
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}
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struct net_buf *bt_buf_get_evt(u8_t evt, bool discardable, s32_t timeout)
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{
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struct net_buf *buf;
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buf = net_buf_alloc(&hci_rx_pool, timeout);
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if (buf) {
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bt_buf_set_type(buf, BT_BUF_EVT);
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}
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return buf;
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}
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int bt_recv(struct net_buf *buf)
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{
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BT_DBG("buf %p len %u", buf, buf->len);
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bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);
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/* Queue to RAW rx queue */
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net_buf_put(raw_rx, buf);
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return 0;
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}
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int bt_recv_prio(struct net_buf *buf)
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{
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return bt_recv(buf);
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}
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int bt_send(struct net_buf *buf)
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{
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BT_DBG("buf %p len %u", buf, buf->len);
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bt_monitor_send(bt_monitor_opcode(buf), buf->data, buf->len);
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if (IS_ENABLED(CONFIG_BT_TINYCRYPT_ECC)) {
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return bt_hci_ecc_send(buf);
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}
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return bt_dev.drv->send(buf);
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}
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int bt_enable_raw(struct k_fifo *rx_queue)
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{
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const struct bt_hci_driver *drv = bt_dev.drv;
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int err;
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BT_DBG("");
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raw_rx = rx_queue;
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if (!bt_dev.drv) {
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BT_ERR("No HCI driver registered");
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return -ENODEV;
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}
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if (IS_ENABLED(CONFIG_BT_TINYCRYPT_ECC)) {
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bt_hci_ecc_init();
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}
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err = drv->open();
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if (err) {
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BT_ERR("HCI driver open failed (%d)", err);
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return err;
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}
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BT_INFO("Bluetooth enabled in RAW mode");
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return 0;
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}
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