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Merge branch 'feature/btdm_controller_to_host_flow_control_v3.1' into 'release/v3.1'

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component/bt: Add Controller to Host Flow Control into v3.1

See merge request idf/esp-idf!2613
This commit is contained in:
Jiang Jiang Jian 2018-06-26 17:07:18 +08:00
commit 36adefc8a8
9 changed files with 123 additions and 7 deletions
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10
components/bt/bluedroid/common/include/common/bt_target.h
View File

@ -581,7 +581,7 @@
#define BTM_DEFAULT_DISC_INTERVAL 0x0800
#endif
/*
/*
* {SERVICE_CLASS, MAJOR_CLASS, MINOR_CLASS}
*
* SERVICE_CLASS:0x5A (Bit17 -Networking,Bit19 - Capturing,Bit20 -Object Transfer,Bit22 -Telephony)
@ -754,6 +754,14 @@
#define BTM_BLE_CONFORMANCE_TESTING FALSE
#endif
/******************************************************************************
**
** CONTROLLER TO HOST FLOW CONTROL
**
******************************************************************************/
#define C2H_FLOW_CONTROL_INCLUDED TRUE
/******************************************************************************
**
** L2CAP

6
components/bt/bluedroid/device/controller.c
View File

@ -95,6 +95,12 @@ static void start_up(void)
response, &acl_data_size_classic, &acl_buffer_count_classic,
&sco_data_size, &sco_buffer_count);
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
// Enable controller to host flow control
response = AWAIT_COMMAND(packet_factory->make_set_c2h_flow_control(HCI_HOST_FLOW_CTRL_ACL_ON));
packet_parser->parse_generic_command_complete(response);
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
// Tell the controller about our buffer sizes and buffer counts next
// TODO(zachoverflow): factor this out. eww l2cap contamination. And why just a hardcoded 10?
response = AWAIT_COMMAND(

42
components/bt/bluedroid/hci/hci_hal_h4.c
View File

@ -27,6 +27,11 @@
#include "osi/thread.h"
#include "esp_bt.h"
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
#include "l2c_int.h"
#include "stack/hcimsgs.h"
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
#define HCI_HAL_SERIAL_BUFFER_SIZE 1026
#define HCI_BLE_EVENT 0x3e
#define PACKET_TYPE_TO_INBOUND_INDEX(type) ((type) - 2)
@ -165,6 +170,7 @@ static void hci_hal_h4_rx_handler(void *arg)
if (pdTRUE == xQueueReceive(xHciH4Queue, &e, (portTickType)portMAX_DELAY)) {
if (e.sig == SIG_HCI_HAL_RECV_PACKET) {
fixed_queue_process(hci_hal_env.rx_q);
}
}
}
@ -185,6 +191,37 @@ task_post_status_t hci_hal_h4_task_post(task_post_t timeout)
return TASK_POST_FAIL;
}
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
static void hci_packet_complete(BT_HDR *packet){
uint8_t type, num_handle;
uint16_t handle;
uint16_t handles[MAX_L2CAP_LINKS + 4];
uint16_t num_packets[MAX_L2CAP_LINKS + 4];
uint8_t *stream = packet->data + packet->offset;
tL2C_LCB *p_lcb = NULL;
STREAM_TO_UINT8(type, stream);
if (type == DATA_TYPE_ACL/* || type == DATA_TYPE_SCO*/) {
STREAM_TO_UINT16(handle, stream);
handle = handle & HCI_DATA_HANDLE_MASK;
p_lcb = l2cu_find_lcb_by_handle(handle);
if (p_lcb) {
p_lcb->completed_packets++;
}
if (esp_vhci_host_check_send_available()){
num_handle = l2cu_find_completed_packets(handles, num_packets);
if (num_handle > 0){
btsnd_hcic_host_num_xmitted_pkts (num_handle, handles, num_packets);
}
} else {
//Send HCI_Host_Number_of_Completed_Packets next time.
}
}
}
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
static void hci_hal_h4_hdl_rx_packet(BT_HDR *packet)
{
uint8_t type, hdr_size;
@ -194,6 +231,11 @@ static void hci_hal_h4_hdl_rx_packet(BT_HDR *packet)
if (!packet) {
return;
}
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
hci_packet_complete(packet);
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
STREAM_TO_UINT8(type, stream);
packet->offset++;
packet->len--;

10
components/bt/bluedroid/hci/hci_layer.c
View File

@ -274,6 +274,7 @@ static void transmit_command(
fixed_queue_enqueue(hci_host_env.command_queue, wait_entry);
hci_host_task_post(TASK_POST_BLOCKING);
}
static future_t *transmit_command_futured(BT_HDR *command)
@ -317,8 +318,14 @@ static void event_command_ready(fixed_queue_t *queue)
command_waiting_response_t *cmd_wait_q = &hci_host_env.cmd_waiting_q;
wait_entry = fixed_queue_dequeue(queue);
hci_host_env.command_credits--;
if(wait_entry->opcode == HCI_HOST_NUM_PACKETS_DONE){
packet_fragmenter->fragment_and_dispatch(wait_entry->command);
buffer_allocator->free(wait_entry->command);
osi_free(wait_entry);
return;
}
hci_host_env.command_credits--;
// Move it to the list of commands awaiting response
osi_mutex_lock(&cmd_wait_q->commands_pending_response_lock, OSI_MUTEX_MAX_TIMEOUT);
list_append(cmd_wait_q->commands_pending_response, wait_entry);
@ -435,7 +442,6 @@ static bool filter_incoming_event(BT_HDR *packet)
if (event_code == HCI_COMMAND_COMPLETE_EVT) {
STREAM_TO_UINT8(hci_host_env.command_credits, stream);
STREAM_TO_UINT16(opcode, stream);
wait_entry = get_waiting_command(opcode);
if (!wait_entry) {
HCI_TRACE_WARNING("%s command complete event with no matching command. opcode: 0x%x.", __func__, opcode);

11
components/bt/bluedroid/hci/hci_packet_factory.c
View File

@ -45,6 +45,16 @@ static BT_HDR *make_read_buffer_size(void)
return make_command_no_params(HCI_READ_BUFFER_SIZE);
}
static BT_HDR *make_set_c2h_flow_control(uint8_t enable)
{
uint8_t *stream;
const uint8_t parameter_size = 1;
BT_HDR *packet = make_command(HCI_SET_HC_TO_HOST_FLOW_CTRL, parameter_size, &stream);
UINT8_TO_STREAM(stream, enable);
return packet;
}
static BT_HDR *make_host_buffer_size(uint16_t acl_size, uint8_t sco_size, uint16_t acl_count, uint16_t sco_count)
{
uint8_t *stream;
@ -220,6 +230,7 @@ static BT_HDR *make_packet(size_t data_size)
static const hci_packet_factory_t interface = {
make_reset,
make_read_buffer_size,
make_set_c2h_flow_control,
make_host_buffer_size,
make_read_local_version_info,
make_read_bd_addr,

1
components/bt/bluedroid/hci/include/hci/hci_packet_factory.h
View File

@ -25,6 +25,7 @@
typedef struct {
BT_HDR *(*make_reset)(void);
BT_HDR *(*make_read_buffer_size)(void);
BT_HDR *(*make_set_c2h_flow_control)(uint8_t enable);
BT_HDR *(*make_host_buffer_size)(uint16_t acl_size, uint8_t sco_size, uint16_t acl_count, uint16_t sco_count);
BT_HDR *(*make_read_local_version_info)(void);
BT_HDR *(*make_read_bd_addr)(void);

2
components/bt/bluedroid/stack/include/stack/hcidefs.h
View File

@ -793,7 +793,7 @@
#define HCI_ERR_MAX_ERR 0x43
//ESP vendor error code
#define HCI_ERR_ESP_VENDOR_FAIL 0xE0
#define HCI_ERR_ESP_VENDOR_FAIL 0xE0
#define HCI_HINT_TO_RECREATE_AMP_PHYS_LINK 0xFF

5
components/bt/bluedroid/stack/l2cap/include/l2c_int.h
View File

@ -376,6 +376,7 @@ typedef struct t_l2c_linkcb {
TIMER_LIST_ENT timer_entry; /* Timer list entry for timeout evt */
UINT16 handle; /* The handle used with LM */
UINT16 completed_packets; /* The number of conpleted packets */
tL2C_CCB_Q ccb_queue; /* Queue of CCBs on this LCB */
@ -667,6 +668,10 @@ extern void l2cu_send_peer_ble_credit_based_disconn_req(tL2C_CCB *p_ccb);
#endif
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
extern UINT8 l2cu_find_completed_packets(UINT16 *handles, UINT16 *num_packets);
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
extern BOOLEAN l2cu_initialize_fixed_ccb (tL2C_LCB *p_lcb, UINT16 fixed_cid, tL2CAP_FCR_OPTS *p_fcr);
extern void l2cu_no_dynamic_ccbs (tL2C_LCB *p_lcb);
extern void l2cu_process_fixed_chnl_resp (tL2C_LCB *p_lcb);

43
components/bt/bluedroid/stack/l2cap/l2c_utils.c
View File

@ -57,7 +57,7 @@ tL2C_LCB *l2cu_allocate_lcb (BD_ADDR p_bd_addr, BOOLEAN is_bonding, tBT_TRANSPOR
btu_free_timer(&p_lcb->timer_entry);
btu_free_timer(&p_lcb->info_timer_entry);
btu_free_timer(&p_lcb->upda_con_timer);
memset (p_lcb, 0, sizeof (tL2C_LCB));
memcpy (p_lcb->remote_bd_addr, p_bd_addr, BD_ADDR_LEN);
@ -86,6 +86,9 @@ tL2C_LCB *l2cu_allocate_lcb (BD_ADDR p_bd_addr, BOOLEAN is_bonding, tBT_TRANSPOR
l2c_link_adjust_allocation();
}
p_lcb->link_xmit_data_q = list_new(NULL);
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
p_lcb->completed_packets = 0;
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
return (p_lcb);
}
}
@ -137,7 +140,7 @@ void l2cu_release_lcb (tL2C_LCB *p_lcb)
memset(&p_lcb->info_timer_entry, 0, sizeof(TIMER_LIST_ENT));
btu_free_timer(&p_lcb->upda_con_timer);
memset(&p_lcb->upda_con_timer, 0, sizeof(TIMER_LIST_ENT));
/* Release any unfinished L2CAP packet on this link */
if (p_lcb->p_hcit_rcv_acl) {
osi_free(p_lcb->p_hcit_rcv_acl);
@ -250,6 +253,11 @@ void l2cu_release_lcb (tL2C_LCB *p_lcb)
fixed_queue_free(p_lcb->le_sec_pending_q, NULL);
p_lcb->le_sec_pending_q = NULL;
}
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
p_lcb->completed_packets = 0;
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
}
@ -1488,7 +1496,7 @@ tL2C_CCB *l2cu_allocate_ccb (tL2C_LCB *p_lcb, UINT16 cid)
btu_free_quick_timer(&p_ccb->fcrb.ack_timer);
memset(&p_ccb->fcrb.ack_timer, 0, sizeof(TIMER_LIST_ENT));
p_ccb->fcrb.ack_timer.param = (TIMER_PARAM_TYPE)p_ccb;
btu_free_quick_timer(&p_ccb->fcrb.mon_retrans_timer);
memset(&p_ccb->fcrb.mon_retrans_timer, 0, sizeof(TIMER_LIST_ENT));
p_ccb->fcrb.mon_retrans_timer.param = (TIMER_PARAM_TYPE)p_ccb;
@ -3140,6 +3148,35 @@ void l2cu_send_peer_ble_credit_based_disconn_req(tL2C_CCB *p_ccb)
#endif /* BLE_INCLUDED == TRUE */
#if (C2H_FLOW_CONTROL_INCLUDED == TRUE)
/*******************************************************************************
**
** Function l2cu_find_completed_packets
**
** Description Find the completed packets,
** Then set it to zero
**
** Returns The num of handles
**
*******************************************************************************/
UINT8 l2cu_find_completed_packets(UINT16 *handles, UINT16 *num_packets)
{
int xx;
UINT8 num = 0;
tL2C_LCB *p_lcb = &l2cb.lcb_pool[0];
for (xx = 0; xx < MAX_L2CAP_LINKS; xx++, p_lcb++) {
if ((p_lcb->in_use) && (p_lcb->completed_packets > 0)) {
*(handles++) = p_lcb->handle;
*(num_packets++) = p_lcb->completed_packets;
num++;
p_lcb->completed_packets = 0;
}
}
return num;
}
#endif ///C2H_FLOW_CONTROL_INCLUDED == TRUE
/*******************************************************************************
** Functions used by both Full and Light Stack