* Description: Contains BTE core stack initialization and shutdown code
*
******************************************************************************/
+
+#define LOG_TAG "bt_main"
+
#include <assert.h>
-#include <cutils/properties.h>
#include <fcntl.h>
-#include <hardware/bluetooth.h>
#include <pthread.h>
#include <signal.h>
#include <stdlib.h>
#include <time.h>
-#include <utils/Log.h>
-#include "alarm.h"
-#include "bd.h"
-#include "bta_api.h"
+#include <hardware/bluetooth.h>
+
#include "bt_hci_bdroid.h"
+#include "bt_utils.h"
+#include "bta_api.h"
+#include "btcore/include/counter.h"
+#include "btcore/include/module.h"
#include "bte.h"
+#include "btif_common.h"
+#include "btsnoop.h"
#include "btu.h"
-#include "bt_utils.h"
-#include "fixed_queue.h"
#include "gki.h"
-#include "hash_functions.h"
-#include "hash_map.h"
#include "hci_layer.h"
-#include "osi.h"
-#include "thread.h"
+#include "osi/include/alarm.h"
+#include "osi/include/fixed_queue.h"
+#include "osi/include/future.h"
+#include "osi/include/hash_functions.h"
+#include "osi/include/hash_map.h"
+#include "osi/include/log.h"
+#include "osi/include/osi.h"
+#include "osi/include/thread.h"
+#include "stack_config.h"
/*******************************************************************************
** Constants & Macros
*******************************************************************************/
-/* Run-time configuration file */
-#ifndef BTE_STACK_CONF_FILE
-#define BTE_STACK_CONF_FILE "/etc/bluetooth/bt_stack.conf"
-#endif
/* Run-time configuration file for BLE*/
#ifndef BTE_BLE_STACK_CONF_FILE
+// TODO(armansito): Find a better way than searching by a hardcoded path.
+#if defined(OS_GENERIC)
+#define BTE_BLE_STACK_CONF_FILE "ble_stack.conf"
+#else // !defined(OS_GENERIC)
#define BTE_BLE_STACK_CONF_FILE "/etc/bluetooth/ble_stack.conf"
-#endif
-
-/* if not specified in .txt file then use this as default */
-#ifndef HCI_LOGGING_FILENAME
-#define HCI_LOGGING_FILENAME "/data/misc/bluedroid/btsnoop_hci.log"
-#endif
-
-/* Stack preload process maximum retry attempts */
-#ifndef PRELOAD_MAX_RETRY_ATTEMPTS
-#define PRELOAD_MAX_RETRY_ATTEMPTS 0
-#endif
-
-/*******************************************************************************
-** Local type definitions
-*******************************************************************************/
-/* Preload retry control block */
-typedef struct
-{
- int retry_counts;
- alarm_t *alarm;
-} bt_preload_retry_cb_t;
+#endif // defined(OS_GENERIC)
+#endif // BT_BLE_STACK_CONF_FILE
/******************************************************************************
** Variables
******************************************************************************/
-BOOLEAN hci_logging_enabled = FALSE; /* by default, turn hci log off */
-BOOLEAN hci_logging_config = FALSE; /* configured from bluetooth framework */
-BOOLEAN hci_save_log = FALSE; /* save a copy of the log before starting again */
-char hci_logfile[256] = HCI_LOGGING_FILENAME;
-
-// Communication queue between btu_task and bta.
-fixed_queue_t *btu_bta_msg_queue;
-
-// Communication queue between btu_task and hci.
-fixed_queue_t *btu_hci_msg_queue;
-
-// General timer queue.
-fixed_queue_t *btu_general_alarm_queue;
-hash_map_t *btu_general_alarm_hash_map;
-pthread_mutex_t btu_general_alarm_lock;
-static const size_t BTU_GENERAL_ALARM_HASH_MAP_SIZE = 17;
-
-// Oneshot timer queue.
-fixed_queue_t *btu_oneshot_alarm_queue;
-hash_map_t *btu_oneshot_alarm_hash_map;
-pthread_mutex_t btu_oneshot_alarm_lock;
-static const size_t BTU_ONESHOT_ALARM_HASH_MAP_SIZE = 17;
-
-// l2cap timer queue.
-fixed_queue_t *btu_l2cap_alarm_queue;
-hash_map_t *btu_l2cap_alarm_hash_map;
-pthread_mutex_t btu_l2cap_alarm_lock;
-static const size_t BTU_L2CAP_ALARM_HASH_MAP_SIZE = 17;
/*******************************************************************************
** Static variables
*******************************************************************************/
-static const hci_interface_t *hci;
-static const hci_callbacks_t hci_callbacks;
-static const allocator_t buffer_allocator;
-static bt_preload_retry_cb_t preload_retry_cb;
-// Lock to serialize shutdown requests from upper layer.
-static pthread_mutex_t shutdown_lock;
-
-// These are temporary so we can run the new HCI code
-// with the old upper stack.
-static fixed_queue_t *upbound_data;
-static thread_t *dispatch_thread;
+static const hci_t *hci;
/*******************************************************************************
** Static functions
*******************************************************************************/
-static void bte_hci_enable(void);
-static void bte_hci_disable(void);
-static void preload_start_wait_timer(void);
-static void preload_stop_wait_timer(void);
-static void dump_upbound_data_to_btu(fixed_queue_t *queue, void *context);
/*******************************************************************************
** Externs
*******************************************************************************/
-void BTE_LoadStack(void);
-void BTE_UnloadStack(void);
-void scru_flip_bda (BD_ADDR dst, const BD_ADDR src);
-void bte_load_conf(const char *p_path);
extern void bte_load_ble_conf(const char *p_path);
-bt_bdaddr_t btif_local_bd_addr;
+fixed_queue_t *btu_hci_msg_queue;
/******************************************************************************
**
******************************************************************************/
void bte_main_boot_entry(void)
{
- /* initialize OS */
- GKI_init();
+ module_init(get_module(GKI_MODULE));
+ module_init(get_module(COUNTER_MODULE));
hci = hci_layer_get_interface();
if (!hci)
- ALOGE("%s could not get hci layer interface.", __func__);
-
- upbound_data = fixed_queue_new(SIZE_MAX);
- dispatch_thread = thread_new("hci_dispatch");
+ LOG_ERROR(LOG_TAG, "%s could not get hci layer interface.", __func__);
- fixed_queue_register_dequeue(
- upbound_data,
- thread_get_reactor(dispatch_thread),
- dump_upbound_data_to_btu,
- NULL
- );
-
- data_dispatcher_register_default(hci->upward_dispatcher, upbound_data);
+ btu_hci_msg_queue = fixed_queue_new(SIZE_MAX);
+ if (btu_hci_msg_queue == NULL) {
+ LOG_ERROR(LOG_TAG, "%s unable to allocate hci message queue.", __func__);
+ return;
+ }
- memset(&preload_retry_cb, 0, sizeof(bt_preload_retry_cb_t));
- preload_retry_cb.alarm = alarm_new();
+ data_dispatcher_register_default(hci->event_dispatcher, btu_hci_msg_queue);
+ hci->set_data_queue(btu_hci_msg_queue);
- bte_load_conf(BTE_STACK_CONF_FILE);
#if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
bte_load_ble_conf(BTE_BLE_STACK_CONF_FILE);
#endif
-
-#if (BTTRC_INCLUDED == TRUE)
- /* Initialize trace feature */
- BTTRC_TraceInit(MAX_TRACE_RAM_SIZE, &BTE_TraceLogBuf[0], BTTRC_METHOD_RAM);
-#endif
-
- pthread_mutex_init(&shutdown_lock, NULL);
-
+ module_init(get_module(STACK_CONFIG_MODULE));
}
/******************************************************************************
******************************************************************************/
void bte_main_shutdown()
{
- alarm_free(preload_retry_cb.alarm);
- preload_retry_cb.alarm = NULL;
+ data_dispatcher_register_default(hci_layer_get_interface()->event_dispatcher, NULL);
+ hci->set_data_queue(NULL);
+ fixed_queue_free(btu_hci_msg_queue, NULL);
+
+ btu_hci_msg_queue = NULL;
- pthread_mutex_destroy(&shutdown_lock);
+ module_clean_up(get_module(STACK_CONFIG_MODULE));
- GKI_shutdown();
+ module_clean_up(get_module(COUNTER_MODULE));
+ module_clean_up(get_module(GKI_MODULE));
}
/******************************************************************************
{
APPL_TRACE_DEBUG("%s", __FUNCTION__);
- btu_bta_msg_queue = fixed_queue_new(SIZE_MAX);
- btu_hci_msg_queue = fixed_queue_new(SIZE_MAX);
-
- btu_general_alarm_hash_map = hash_map_new(BTU_GENERAL_ALARM_HASH_MAP_SIZE,
- hash_function_knuth, NULL,NULL);
- pthread_mutex_init(&btu_general_alarm_lock, NULL);
- btu_general_alarm_queue = fixed_queue_new(SIZE_MAX);
-
- btu_oneshot_alarm_hash_map = hash_map_new(BTU_ONESHOT_ALARM_HASH_MAP_SIZE,
- hash_function_knuth, NULL,NULL);
- pthread_mutex_init(&btu_oneshot_alarm_lock, NULL);
- btu_oneshot_alarm_queue = fixed_queue_new(SIZE_MAX);
-
- btu_l2cap_alarm_hash_map = hash_map_new(BTU_L2CAP_ALARM_HASH_MAP_SIZE,
- hash_function_knuth, NULL,NULL);
- pthread_mutex_init(&btu_l2cap_alarm_lock, NULL);
- btu_l2cap_alarm_queue = fixed_queue_new(SIZE_MAX);
+ module_start_up(get_module(BTSNOOP_MODULE));
+ module_start_up(get_module(HCI_MODULE));
BTU_StartUp();
-
- bte_hci_enable();
-
- GKI_run();
}
/******************************************************************************
{
APPL_TRACE_DEBUG("%s", __FUNCTION__);
- preload_stop_wait_timer();
- bte_hci_disable();
- BTU_ShutDown();
-
- fixed_queue_free(btu_bta_msg_queue, NULL);
- fixed_queue_free(btu_hci_msg_queue, NULL);
+ module_shut_down(get_module(HCI_MODULE));
+ module_shut_down(get_module(BTSNOOP_MODULE));
- hash_map_free(btu_general_alarm_hash_map);
- pthread_mutex_destroy(&btu_general_alarm_lock);
- fixed_queue_free(btu_general_alarm_queue, NULL);
-
- hash_map_free(btu_oneshot_alarm_hash_map);
- pthread_mutex_destroy(&btu_oneshot_alarm_lock);
- fixed_queue_free(btu_oneshot_alarm_queue, NULL);
-
- hash_map_free(btu_l2cap_alarm_hash_map);
- pthread_mutex_destroy(&btu_l2cap_alarm_lock);
- fixed_queue_free(btu_l2cap_alarm_queue, NULL);
-}
-
-/******************************************************************************
-**
-** Function bte_main_config_hci_logging
-**
-** Description enable or disable HIC snoop logging
-**
-** Returns None
-**
-******************************************************************************/
-void bte_main_config_hci_logging(BOOLEAN enable, BOOLEAN bt_disabled)
-{
- int old = (hci_logging_enabled == TRUE) || (hci_logging_config == TRUE);
- int new;
-
- hci_logging_config = enable;
-
- new = (hci_logging_enabled == TRUE) || (hci_logging_config == TRUE);
-
- if ((old == new) || bt_disabled) {
- return;
- }
-
- if (new)
- hci->turn_on_logging(hci_logfile);
- else
- hci->turn_off_logging();
-}
-
-/******************************************************************************
-**
-** Function bte_hci_enable
-**
-** Description Enable HCI & Vendor modules
-**
-** Returns None
-**
-******************************************************************************/
-static void bte_hci_enable(void)
-{
- APPL_TRACE_DEBUG("%s", __FUNCTION__);
-
- preload_start_wait_timer();
-
- bool success = hci->start_up(btif_local_bd_addr.address, &buffer_allocator, &hci_callbacks);
- APPL_TRACE_EVENT("libbt-hci start_up returns %d", success);
-
- assert(success);
-
- if (hci_logging_enabled == TRUE || hci_logging_config == TRUE)
- hci->turn_on_logging(hci_logfile);
-
-#if (defined (BT_CLEAN_TURN_ON_DISABLED) && BT_CLEAN_TURN_ON_DISABLED == TRUE)
- APPL_TRACE_DEBUG("%s not turning off the chip before turning it on", __FUNCTION__);
-
- /* Do not power off the chip before powering on if BT_CLEAN_TURN_ON_DISABLED flag
- is defined and set to TRUE to avoid below mentioned issue.
-
- Wingray kernel driver maintains a combined counter to keep track of
- BT-Wifi state. Invoking set_power(BT_HC_CHIP_PWR_OFF) when the BT is already
- in OFF state causes this counter to be incorrectly decremented and results in undesired
- behavior of the chip.
-
- This is only a workaround and when the issue is fixed in the kernel this work around
- should be removed. */
-#else
- /* toggle chip power to ensure we will reset chip in case
- a previous stack shutdown wasn't completed gracefully */
- hci->set_chip_power_on(false);
-#endif
- hci->set_chip_power_on(true);
- hci->do_preload();
-}
-
-/******************************************************************************
-**
-** Function bte_hci_disable
-**
-** Description Disable HCI & Vendor modules
-**
-** Returns None
-**
-******************************************************************************/
-static void bte_hci_disable(void)
-{
- APPL_TRACE_DEBUG("%s", __FUNCTION__);
-
- if (!hci)
- return;
-
- // Shutdown is not thread safe and must be protected.
- pthread_mutex_lock(&shutdown_lock);
-
- if (hci_logging_enabled == TRUE || hci_logging_config == TRUE)
- hci->turn_off_logging();
- hci->shut_down();
-
- pthread_mutex_unlock(&shutdown_lock);
-}
-
-/*******************************************************************************
-**
-** Function preload_wait_timeout
-**
-** Description Timeout thread of preload watchdog timer
-**
-** Returns None
-**
-*******************************************************************************/
-static void preload_wait_timeout(UNUSED_ATTR void *context)
-{
- APPL_TRACE_ERROR("...preload_wait_timeout (retried:%d/max-retry:%d)...",
- preload_retry_cb.retry_counts,
- PRELOAD_MAX_RETRY_ATTEMPTS);
-
- if (preload_retry_cb.retry_counts++ < PRELOAD_MAX_RETRY_ATTEMPTS)
- {
- bte_hci_disable();
- GKI_delay(100);
- bte_hci_enable();
- }
- else
- {
- /* Notify BTIF_TASK that the init procedure had failed*/
- GKI_send_event(BTIF_TASK, BT_EVT_HARDWARE_INIT_FAIL);
- }
-}
-
-/*******************************************************************************
-**
-** Function preload_start_wait_timer
-**
-** Description Launch startup watchdog timer
-**
-** Returns None
-**
-*******************************************************************************/
-static void preload_start_wait_timer(void)
-{
- uint32_t timeout_ms;
- char timeout_prop[PROPERTY_VALUE_MAX];
- if (!property_get("bluetooth.enable_timeout_ms", timeout_prop, "3000") || (timeout_ms = atoi(timeout_prop)) < 100)
- timeout_ms = 3000;
-
- alarm_set(preload_retry_cb.alarm, timeout_ms, preload_wait_timeout, NULL);
-}
-
-/*******************************************************************************
-**
-** Function preload_stop_wait_timer
-**
-** Description Stop preload watchdog timer
-**
-** Returns None
-**
-*******************************************************************************/
-static void preload_stop_wait_timer(void)
-{
- alarm_cancel(preload_retry_cb.alarm);
+ BTU_ShutDown();
}
/******************************************************************************
**
** Function bte_main_lpm_allow_bt_device_sleep
**
-** Description BTE MAIN API - Allow BT controller goest to sleep
+** Description BTE MAIN API - Allow the BT controller to go to sleep
**
** Returns None
**
}
#endif // HCILP_INCLUDED
-
-/* NOTICE:
- * Definitions for audio state structure, this type needs to match to
- * the bt_vendor_op_audio_state_t type defined in bt_vendor_lib.h
- */
-typedef struct {
- UINT16 handle;
- UINT16 peer_codec;
- UINT16 state;
-} bt_hc_audio_state_t;
-
-struct bt_audio_state_tag {
- BT_HDR hdr;
- bt_hc_audio_state_t audio;
-};
-
-/******************************************************************************
-**
-** Function set_audio_state
-**
-** Description Sets audio state on controller state for SCO (PCM, WBS, FM)
-**
-** Parameters handle: codec related handle for SCO: sco cb idx, unused for
-** codec: BTA_AG_CODEC_MSBC, BTA_AG_CODEC_CSVD or FM codec
-** state: codec state, eg. BTA_AG_CO_AUD_STATE_SETUP
-** param: future extensions, e.g. call-in structure/event.
-**
-** Returns None
-**
-******************************************************************************/
-int set_audio_state(UINT16 handle, UINT16 codec, UINT8 state, void *param)
-{
- struct bt_audio_state_tag *p_msg;
- int result = -1;
-
- APPL_TRACE_API("set_audio_state(handle: %d, codec: 0x%x, state: %d)", handle,
- codec, state);
- if (NULL != param)
- APPL_TRACE_WARNING("set_audio_state() non-null param not supported");
- p_msg = (struct bt_audio_state_tag *)GKI_getbuf(sizeof(*p_msg));
- if (!p_msg)
- return result;
- p_msg->audio.handle = handle;
- p_msg->audio.peer_codec = codec;
- p_msg->audio.state = state;
-
- p_msg->hdr.event = MSG_CTRL_TO_HC_CMD | (MSG_SUB_EVT_MASK & BT_HC_AUDIO_STATE);
- p_msg->hdr.len = sizeof(p_msg->audio);
- p_msg->hdr.offset = 0;
- /* layer_specific shall contain return path event! for BTA events!
- * 0 means no return message is expected. */
- p_msg->hdr.layer_specific = 0;
- hci->transmit_downward(MSG_STACK_TO_HC_HCI_CMD, p_msg);
- return result;
-}
-
-
/******************************************************************************
**
** Function bte_main_hci_send
p_msg->event = event;
+ counter_add("main.tx.packets", 1);
+ counter_add("main.tx.bytes", p_msg->len);
if((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \
(sub_event == LOCAL_BLE_CONTROLLER_ID))
GKI_freebuf(p_msg);
}
}
-
-/*****************************************************************************
-**
-** libbt-hci Callback Functions
-**
-*****************************************************************************/
-
-/******************************************************************************
-**
-** Function preload_cb
-**
-** Description HOST/CONTROLLER LIB CALLBACK API - This function is called
-** when the libbt-hci completed stack preload process
-**
-** Returns None
-**
-******************************************************************************/
-static void preload_cb(bool success)
-{
- APPL_TRACE_EVENT("HC preload_cb %d [1:SUCCESS 0:FAIL]", success);
-
- if (success)
- {
- preload_stop_wait_timer();
-
- /* notify BTU task that libbt-hci is ready */
- GKI_send_event(BTU_TASK, BT_EVT_PRELOAD_CMPL);
- }
-}
-
-/******************************************************************************
-**
-** Function alloc
-**
-** Description HOST/CONTROLLER LIB CALLOUT API - This function is called
-** from the libbt-hci to request for data buffer allocation
-**
-** Returns NULL / pointer to allocated buffer
-**
-******************************************************************************/
-static void *alloc(size_t size)
-{
- /* Requested buffer size cannot exceed GKI_MAX_BUF_SIZE. */
- if (size > GKI_MAX_BUF_SIZE)
- {
- APPL_TRACE_ERROR("HCI DATA SIZE %d greater than MAX %d",
- size, GKI_MAX_BUF_SIZE);
- return NULL;
- }
-
- BT_HDR *p_hdr = (BT_HDR *) GKI_getbuf ((UINT16) size);
-
- if (!p_hdr)
- {
- APPL_TRACE_WARNING("alloc returns NO BUFFER! (sz %d)", size);
- }
-
- return p_hdr;
-}
-
-/******************************************************************************
-**
-** Function dealloc
-**
-** Description HOST/CONTROLLER LIB CALLOUT API - This function is called
-** from the libbt-hci to release the data buffer allocated
-** through the alloc call earlier
-**
-** Bluedroid libbt-hci library uses 'transac' parameter to
-** pass data-path buffer/packet across bt_hci_lib interface
-** boundary.
-**
-******************************************************************************/
-static void dealloc(void *buffer)
-{
- GKI_freebuf(buffer);
-}
-
-static void dump_upbound_data_to_btu(fixed_queue_t *queue, UNUSED_ATTR void *context) {
- fixed_queue_enqueue(btu_hci_msg_queue, fixed_queue_dequeue(queue));
- // Signal the target thread work is ready.
- GKI_send_event(BTU_TASK, (UINT16)EVENT_MASK(BTU_HCI_RCV_MBOX));
-
-}
-
-/******************************************************************************
-**
-** Function tx_result
-**
-** Description HOST/CONTROLLER LIB CALLBACK API - This function is called
-** from the libbt-hci once it has processed/sent the prior data
-** buffer which core stack passed to it through transmit_buf
-** call earlier.
-**
-** The core stack is responsible for releasing the data buffer
-** if it has been completedly processed.
-**
-** Bluedroid libbt-hci library uses 'transac' parameter to
-** pass data-path buffer/packet across bt_hci_lib interface
-** boundary. The 'p_buf' is not intended to be used here
-** but might point to data portion in data-path buffer.
-**
-** Returns bt_hc_status_t
-**
-******************************************************************************/
-static void tx_result(void *p_buf, bool all_fragments_sent)
-{
- if (!all_fragments_sent)
- {
- fixed_queue_enqueue(btu_hci_msg_queue, p_buf);
- // Signal the target thread work is ready.
- GKI_send_event(BTU_TASK, (UINT16)EVENT_MASK(BTU_HCI_RCV_MBOX));
- }
- else
- {
- GKI_freebuf(p_buf);
- }
-}
-
-/*****************************************************************************
-** The libbt-hci Callback Functions Table
-*****************************************************************************/
-static const hci_callbacks_t hci_callbacks = {
- preload_cb,
- tx_result
-};
-
-static const allocator_t buffer_allocator = {
- alloc,
- dealloc
-};
-
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