1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*****************************************************************************
**
** Name: avct_int.h
**
** Description: This file contains interfaces which are internal to AVCTP.
**
**
** Copyright (c) 2003-2008, Broadcom Corp., All Rights Reserved.
** WIDCOMM Bluetooth Core. Proprietary and confidential.
**
*****************************************************************************/
#ifndef AVCT_INT_H
#define AVCT_INT_H
#include "gki.h"
#include "avct_api.h"
#include "avct_defs.h"
#include "l2c_api.h"
/*****************************************************************************
** constants
*****************************************************************************/
/* lcb state machine events */
enum {
AVCT_LCB_UL_BIND_EVT,
AVCT_LCB_UL_UNBIND_EVT,
AVCT_LCB_UL_MSG_EVT,
AVCT_LCB_INT_CLOSE_EVT,
AVCT_LCB_LL_OPEN_EVT,
AVCT_LCB_LL_CLOSE_EVT,
AVCT_LCB_LL_MSG_EVT,
AVCT_LCB_LL_CONG_EVT
};
/* "states" used for L2CAP channel */
#define AVCT_CH_IDLE 0 /* No connection */
#define AVCT_CH_CONN 1 /* Waiting for connection confirm */
#define AVCT_CH_CFG 2 /* Waiting for configuration complete */
#define AVCT_CH_OPEN 3 /* Channel opened */
/* "no event" indicator used by ccb dealloc */
#define AVCT_NO_EVT 0xFF
/*****************************************************************************
** data types
*****************************************************************************/
/* sub control block type - common data members for tAVCT_LCB and tAVCT_BCB */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
} tAVCT_SCB;
/* link control block type */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
BT_HDR *p_rx_msg; /* Message being reassembled */
UINT16 conflict_lcid; /* L2CAP channel LCID */
BD_ADDR peer_addr; /* BD address of peer */
BUFFER_Q tx_q; /* Transmit data buffer queue */
BOOLEAN cong; /* TRUE, if congested */
} tAVCT_LCB;
/* browse control block type */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
BT_HDR *p_tx_msg; /* Message to be sent - in case the browsing channel is not open when MsgReg is called */
UINT8 ch_close; /* CCB index+1, if CCB initiated channel close */
} tAVCT_BCB;
#define AVCT_ALOC_LCB 0x01
#define AVCT_ALOC_BCB 0x02
/* connection control block */
typedef struct {
tAVCT_CC cc; /* parameters from connection creation */
tAVCT_LCB *p_lcb; /* Associated LCB */
tAVCT_BCB *p_bcb; /* associated BCB */
BOOLEAN ch_close; /* Whether CCB initiated channel close */
UINT8 allocated; /* Whether LCB/BCB is allocated */
} tAVCT_CCB;
/* data type associated with UL_MSG_EVT */
typedef struct {
BT_HDR *p_buf;
tAVCT_CCB *p_ccb;
UINT8 label;
UINT8 cr;
} tAVCT_UL_MSG;
/* union associated with lcb state machine events */
typedef union {
tAVCT_UL_MSG ul_msg;
BT_HDR *p_buf;
tAVCT_CCB *p_ccb;
UINT16 result;
BOOLEAN cong;
UINT8 err_code;
} tAVCT_LCB_EVT;
/* Control block for AVCT */
typedef struct {
tAVCT_LCB lcb[AVCT_NUM_LINKS]; /* link control blocks */
tAVCT_BCB bcb[AVCT_NUM_LINKS]; /* browse control blocks */
tAVCT_CCB ccb[AVCT_NUM_CONN]; /* connection control blocks */
UINT16 mtu; /* our L2CAP MTU */
UINT16 mtu_br; /* our L2CAP MTU for the Browsing channel */
UINT8 trace_level; /* trace level */
} tAVCT_CB;
/*****************************************************************************
** function declarations
*****************************************************************************/
/* LCB function declarations */
extern void avct_lcb_event(tAVCT_LCB *p_lcb, UINT8 event, tAVCT_LCB_EVT *p_data);
#if (AVCT_BROWSE_INCLUDED == TRUE)
extern void avct_bcb_event(tAVCT_BCB *p_bcb, UINT8 event, tAVCT_LCB_EVT *p_data);
extern void avct_close_bcb(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern tAVCT_LCB *avct_lcb_by_bcb(tAVCT_BCB *p_bcb);
extern tAVCT_BCB *avct_bcb_by_lcb(tAVCT_LCB *p_lcb);
extern BOOLEAN avct_bcb_last_ccb(tAVCT_BCB *p_bcb, tAVCT_CCB *p_ccb_last);
extern tAVCT_BCB *avct_bcb_by_lcid(UINT16 lcid);
#endif
extern tAVCT_LCB *avct_lcb_by_bd(BD_ADDR bd_addr);
extern tAVCT_LCB *avct_lcb_alloc(BD_ADDR bd_addr);
extern void avct_lcb_dealloc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern tAVCT_LCB *avct_lcb_by_lcid(UINT16 lcid);
extern tAVCT_CCB *avct_lcb_has_pid(tAVCT_LCB *p_lcb, UINT16 pid);
extern BOOLEAN avct_lcb_last_ccb(tAVCT_LCB *p_lcb, tAVCT_CCB *p_ccb_last);
/* LCB action functions */
extern void avct_lcb_chnl_open(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_unbind_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_open_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_open_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_close_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_close_cfm(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_bind_conn(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_chk_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_chnl_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_bind_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_cong_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_discard_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_send_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_free_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
/* BCB action functions */
#if (AVCT_BROWSE_INCLUDED == TRUE)
typedef void (*tAVCT_BCB_ACTION)(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chnl_open(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_unbind_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_open_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_open_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_close_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_close_cfm(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_bind_conn(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chk_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chnl_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_bind_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_cong_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_discard_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_send_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_free_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_dealloc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern const tAVCT_BCB_ACTION avct_bcb_action[];
extern const UINT8 avct_lcb_pkt_type_len[];
extern const tL2CAP_FCR_OPTS avct_l2c_br_fcr_opts_def;
#endif
/* CCB function declarations */
extern tAVCT_CCB *avct_ccb_alloc(tAVCT_CC *p_cc);
extern void avct_ccb_dealloc(tAVCT_CCB *p_ccb, UINT8 event, UINT16 result, BD_ADDR bd_addr);
extern UINT8 avct_ccb_to_idx(tAVCT_CCB *p_ccb);
extern tAVCT_CCB *avct_ccb_by_idx(UINT8 idx);
/*****************************************************************************
** global data
*****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
/* Main control block */
#if AVCT_DYNAMIC_MEMORY == FALSE
AVCT_API extern tAVCT_CB avct_cb;
#else
AVCT_API extern tAVCT_CB *avct_cb_ptr;
#define avct_cb (*avct_cb_ptr)
#endif
/* L2CAP callback registration structure */
extern const tL2CAP_APPL_INFO avct_l2c_appl;
#if (AVCT_BROWSE_INCLUDED == TRUE)
extern const tL2CAP_APPL_INFO avct_l2c_br_appl;
#endif
#ifdef __cplusplus
}
#endif
#endif /* AVCT_INT_H */
|
