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1 /******************************************************************************
2  *
3  *  Copyright (C) 1999-2012 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #ifndef  GATT_INT_H
20 #define  GATT_INT_H
21 
22 #include "bt_target.h"
23 
24 #if BLE_INCLUDED == TRUE
25 
26 
27 #include "bt_trace.h"
28 #include "gatt_api.h"
29 #include "btm_ble_api.h"
30 #include "btu.h"
31 
32 #include <string.h>
33 
34 
35 #define GATT_CREATE_CONN_ID(tcb_idx, gatt_if)  ((UINT16) ((((UINT8)(tcb_idx) ) << 8) | ((UINT8) (gatt_if))))
36 #define GATT_GET_TCB_IDX(conn_id)  ((UINT8) (((UINT16) (conn_id)) >> 8))
37 #define GATT_GET_GATT_IF(conn_id)  ((tGATT_IF)((UINT8) (conn_id)))
38 
39 #define GATT_GET_SR_REG_PTR(index) (&gatt_cb.sr_reg[(UINT8) (index)]);
40 #define GATT_TRANS_ID_MAX                   0x0fffffff      /* 4 MSB is reserved */
41 
42 /* security action for GATT write and read request */
43 #define GATT_SEC_NONE              0
44 #define GATT_SEC_OK                1
45 #define GATT_SEC_SIGN_DATA         2   /* compute the signature for the write cmd */
46 #define GATT_SEC_ENCRYPT           3    /* encrypt the link with current key */
47 #define GATT_SEC_ENCRYPT_NO_MITM   4    /* unauthenticated encryption or better */
48 #define GATT_SEC_ENCRYPT_MITM      5    /* authenticated encryption */
49 #define GATT_SEC_ENC_PENDING       6   /* wait for link encryption pending */
50 typedef UINT8 tGATT_SEC_ACTION;
51 
52 
53 #define GATT_ATTR_OP_SPT_MTU               (0x00000001 << 0)
54 #define GATT_ATTR_OP_SPT_FIND_INFO         (0x00000001 << 1)
55 #define GATT_ATTR_OP_SPT_FIND_BY_TYPE      (0x00000001 << 2)
56 #define GATT_ATTR_OP_SPT_READ_BY_TYPE      (0x00000001 << 3)
57 #define GATT_ATTR_OP_SPT_READ              (0x00000001 << 4)
58 #define GATT_ATTR_OP_SPT_MULT_READ         (0x00000001 << 5)
59 #define GATT_ATTR_OP_SPT_READ_BLOB         (0x00000001 << 6)
60 #define GATT_ATTR_OP_SPT_READ_BY_GRP_TYPE  (0x00000001 << 7)
61 #define GATT_ATTR_OP_SPT_WRITE             (0x00000001 << 8)
62 #define GATT_ATTR_OP_SPT_WRITE_CMD         (0x00000001 << 9)
63 #define GATT_ATTR_OP_SPT_PREP_WRITE        (0x00000001 << 10)
64 #define GATT_ATTR_OP_SPT_EXE_WRITE         (0x00000001 << 11)
65 #define GATT_ATTR_OP_SPT_HDL_VALUE_CONF    (0x00000001 << 12)
66 #define GATT_ATTR_OP_SP_SIGN_WRITE        (0x00000001 << 13)
67 
68 #define GATT_INDEX_INVALID  0xff
69 
70 #define GATT_PENDING_REQ_NONE    0
71 
72 
73 #define GATT_WRITE_CMD_MASK  0xc0  /*0x1100-0000*/
74 #define GATT_AUTH_SIGN_MASK  0x80  /*0x1000-0000*/
75 #define GATT_AUTH_SIGN_LEN   12
76 
77 #define GATT_HDR_SIZE           3 /* 1B opcode + 2B handle */
78 
79 /* wait for ATT cmd response timeout value */
80 #define GATT_WAIT_FOR_RSP_TOUT       30
81 
82 /* characteristic descriptor type */
83 #define GATT_DESCR_EXT_DSCPTOR   1    /* Characteristic Extended Properties */
84 #define GATT_DESCR_USER_DSCPTOR  2    /* Characteristic User Description    */
85 #define GATT_DESCR_CLT_CONFIG    3    /* Client Characteristic Configuration */
86 #define GATT_DESCR_SVR_CONFIG    4    /* Server Characteristic Configuration */
87 #define GATT_DESCR_PRES_FORMAT   5    /* Characteristic Presentation Format */
88 #define GATT_DESCR_AGGR_FORMAT   6    /* Characteristic Aggregate Format */
89 #define GATT_DESCR_VALID_RANGE   7    /* Characteristic Valid Range */
90 #define GATT_DESCR_UNKNOWN       0xff
91 
92 #define GATT_SEC_FLAG_LKEY_UNAUTHED     BTM_SEC_FLAG_LKEY_KNOWN
93 #define GATT_SEC_FLAG_LKEY_AUTHED       BTM_SEC_FLAG_LKEY_AUTHED
94 #define GATT_SEC_FLAG_ENCRYPTED         BTM_SEC_FLAG_ENCRYPTED
95 typedef UINT8 tGATT_SEC_FLAG;
96 
97 /* Find Information Response Type
98 */
99 #define GATT_INFO_TYPE_PAIR_16      0x01
100 #define GATT_INFO_TYPE_PAIR_128     0x02
101 
102 /*  GATT client FIND_TYPE_VALUE_Request data */
103 typedef struct
104 {
105     tBT_UUID        uuid;           /* type of attribute to be found */
106     UINT16          s_handle;       /* starting handle */
107     UINT16          e_handle;       /* ending handle */
108     UINT16          value_len;      /* length of the attribute value */
109     UINT8           value[GATT_MAX_MTU_SIZE];       /* pointer to the attribute value to be found */
110 } tGATT_FIND_TYPE_VALUE;
111 
112 /* client request message to ATT protocol
113 */
114 typedef union
115 {
116     tGATT_READ_BY_TYPE      browse;     /* read by type request */
117     tGATT_FIND_TYPE_VALUE   find_type_value;/* find by type value */
118     tGATT_READ_MULTI        read_multi;   /* read multiple request */
119     tGATT_READ_PARTIAL      read_blob;    /* read blob */
120     tGATT_VALUE             attr_value;   /* write request */
121                                           /* prepare write */
122     /* write blob */
123     UINT16                  handle;        /* read,  handle value confirmation */
124     UINT16                  mtu;
125     tGATT_EXEC_FLAG         exec_write;    /* execute write */
126 }tGATT_CL_MSG;
127 
128 /* error response strucutre */
129 typedef struct
130 {
131     UINT16  handle;
132     UINT8   cmd_code;
133     UINT8   reason;
134 }tGATT_ERROR;
135 
136 /* server response message to ATT protocol
137 */
138 typedef union
139 {
140     /* data type            member          event   */
141     tGATT_VALUE             attr_value;     /* READ, HANDLE_VALUE_IND, PREPARE_WRITE */
142                                             /* READ_BLOB, READ_BY_TYPE */
143     tGATT_ERROR             error;          /* ERROR_RSP */
144     UINT16                  handle;         /* WRITE, WRITE_BLOB */
145     UINT16                  mtu;            /* exchange MTU request */
146 } tGATT_SR_MSG;
147 
148 /* Characteristic declaration attribute value
149 */
150 typedef struct
151 {
152     tGATT_CHAR_PROP             property;
153     UINT16                      char_val_handle;
154 } tGATT_CHAR_DECL;
155 
156 /* attribute value maintained in the server database
157 */
158 typedef union
159 {
160     tBT_UUID                uuid;               /* service declaration */
161     tGATT_CHAR_DECL         char_decl;          /* characteristic declaration */
162     tGATT_INCL_SRVC         incl_handle;        /* included service */
163 
164 } tGATT_ATTR_VALUE;
165 
166 /* Attribute UUID type
167 */
168 #define GATT_ATTR_UUID_TYPE_16      0
169 #define GATT_ATTR_UUID_TYPE_128     1
170 typedef UINT8   tGATT_ATTR_UUID_TYPE;
171 
172 /* 16 bits UUID Attribute in server database
173 */
174 typedef struct
175 {
176     void                                *p_next;  /* pointer to the next attribute,
177                                                     either tGATT_ATTR16 or tGATT_ATTR128 */
178     tGATT_ATTR_VALUE                    *p_value;
179     tGATT_ATTR_UUID_TYPE                uuid_type;
180     tGATT_PERM                          permission;
181     UINT16                              handle;
182     UINT16                              uuid;
183 } tGATT_ATTR16;
184 
185 /* 128 bits UUID Attribute in server database
186 */
187 typedef struct
188 {
189     void                                *p_next;  /* pointer to the next attribute,
190                                                     either tGATT_ATTR16 or tGATT_ATTR128 */
191     tGATT_ATTR_VALUE                    *p_value;
192     tGATT_ATTR_UUID_TYPE                uuid_type;
193     tGATT_PERM                          permission;
194     UINT16                              handle;
195     UINT8                               uuid[LEN_UUID_128];
196 } tGATT_ATTR128;
197 
198 /* Service Database definition
199 */
200 typedef struct
201 {
202     void            *p_attr_list;               /* pointer to the first attribute,
203                                                   either tGATT_ATTR16 or tGATT_ATTR128 */
204     UINT8           *p_free_mem;                /* Pointer to free memory       */
205     BUFFER_Q        svc_buffer;                 /* buffer queue used for service database */
206     UINT32          mem_free;                   /* Memory still available       */
207     UINT16          end_handle;                 /* Last handle number           */
208     UINT16          next_handle;                /* Next usable handle value     */
209 } tGATT_SVC_DB;
210 
211 /* Data Structure used for GATT server                                        */
212 /* A GATT registration record consists of a handle, and 1 or more attributes  */
213 /* A service registration information record consists of beginning and ending */
214 /* attribute handle, service UUID and a set of GATT server callback.          */
215 typedef struct
216 {
217     tGATT_SVC_DB    *p_db;      /* pointer to the service database */
218     tBT_UUID        app_uuid;           /* applicatino UUID */
219     UINT32          sdp_handle; /* primamry service SDP handle */
220     UINT16          service_instance;   /* service instance number */
221     UINT16          type;       /* service type UUID, primary or secondary */
222     UINT16          s_hdl;      /* service starting handle */
223     UINT16          e_hdl;      /* service ending handle */
224     tGATT_IF        gatt_if;    /* this service is belong to which application */
225     BOOLEAN         in_use;
226 } tGATT_SR_REG;
227 
228 #define GATT_LISTEN_TO_ALL  0xff
229 #define GATT_LISTEN_TO_NONE 0
230 
231 /* Data Structure used for GATT server */
232 /* An GATT registration record consists of a handle, and 1 or more attributes */
233 /* A service registration information record consists of beginning and ending */
234 /* attribute handle, service UUID and a set of GATT server callback.          */
235 
236 typedef struct
237 {
238     tBT_UUID     app_uuid128;
239     tGATT_CBACK  app_cb;
240     tGATT_IF     gatt_if; /* one based */
241     BOOLEAN      in_use;
242     UINT8        listening; /* if adv for all has been enabled */
243 } tGATT_REG;
244 
245 
246 
247 
248 /* command queue for each connection */
249 typedef struct
250 {
251     BT_HDR      *p_cmd;
252     UINT16      clcb_idx;
253     UINT8       op_code;
254     BOOLEAN     to_send;
255 }tGATT_CMD_Q;
256 
257 
258 #if GATT_MAX_SR_PROFILES <= 8
259 typedef UINT8 tGATT_APP_MASK;
260 #elif GATT_MAX_SR_PROFILES <= 16
261 typedef UINT16 tGATT_APP_MASK;
262 #elif GATT_MAX_SR_PROFILES <= 32
263 typedef UINT32 tGATT_APP_MASK;
264 #endif
265 
266 /* command details for each connection */
267 typedef struct
268 {
269     BT_HDR          *p_rsp_msg;
270     UINT32           trans_id;
271     tGATT_READ_MULTI multi_req;
272     BUFFER_Q         multi_rsp_q;
273     UINT16           handle;
274     UINT8            op_code;
275     UINT8            status;
276     UINT8            cback_cnt[GATT_MAX_APPS];
277 } tGATT_SR_CMD;
278 
279 #define     GATT_CH_CLOSE               0
280 #define     GATT_CH_CLOSING             1
281 #define     GATT_CH_CONN                2
282 #define     GATT_CH_CFG                 3
283 #define     GATT_CH_OPEN                4
284 #define     GATT_CH_W4_SEC_COMP         5
285 #define     GATT_CH_W4_DATA_SIGN_COMP   6
286 
287 typedef UINT8 tGATT_CH_STATE;
288 
289 #define GATT_GATT_START_HANDLE  1
290 #define GATT_GAP_START_HANDLE   20
291 #define GATT_APP_START_HANDLE   40
292 
293 typedef struct hdl_cfg
294 {
295     UINT16               gatt_start_hdl;
296     UINT16               gap_start_hdl;
297     UINT16               app_start_hdl;
298 }tGATT_HDL_CFG;
299 
300 typedef struct hdl_list_elem
301 {
302     struct              hdl_list_elem *p_next;
303     struct              hdl_list_elem *p_prev;
304     tGATTS_HNDL_RANGE   asgn_range; /* assigned handle range */
305     tGATT_SVC_DB        svc_db;
306     BOOLEAN             in_use;
307 }tGATT_HDL_LIST_ELEM;
308 
309 typedef struct
310 {
311     tGATT_HDL_LIST_ELEM  *p_first;
312     tGATT_HDL_LIST_ELEM  *p_last;
313     UINT16               count;
314 }tGATT_HDL_LIST_INFO;
315 
316 
317 typedef struct srv_list_elem
318 {
319     struct              srv_list_elem *p_next;
320     struct              srv_list_elem *p_prev;
321     UINT16              s_hdl;
322     UINT8               i_sreg;
323     BOOLEAN             in_use;
324     BOOLEAN             is_primary;
325 }tGATT_SRV_LIST_ELEM;
326 
327 
328 typedef struct
329 {
330     tGATT_SRV_LIST_ELEM  *p_last_primary;
331     tGATT_SRV_LIST_ELEM  *p_first;
332     tGATT_SRV_LIST_ELEM  *p_last;
333     UINT16               count;
334 }tGATT_SRV_LIST_INFO;
335 
336 typedef struct
337 {
338     BUFFER_Q        pending_enc_clcb;   /* pending encryption channel q */
339     tGATT_SEC_ACTION sec_act;
340     BD_ADDR         peer_bda;
341     UINT32          trans_id;
342 
343     UINT16          att_lcid;           /* L2CAP channel ID for ATT */
344     UINT16          payload_size;
345 
346     tGATT_CH_STATE  ch_state;
347     UINT8           ch_flags;
348 
349     tGATT_IF         app_hold_link[GATT_MAX_APPS];
350 
351     /* server needs */
352     /* server response data */
353     tGATT_SR_CMD    sr_cmd;
354     UINT16          indicate_handle;
355     BUFFER_Q        pending_ind_q;
356 
357     TIMER_LIST_ENT  conf_timer_ent;     /* peer confirm to indication timer */
358 
359     UINT8            prep_cnt[GATT_MAX_APPS];
360     UINT8            ind_count;
361 
362     tGATT_CMD_Q       cl_cmd_q[GATT_CL_MAX_LCB];
363     TIMER_LIST_ENT    rsp_timer_ent;        /* peer response timer */
364     TIMER_LIST_ENT    ind_ack_timer_ent;    /* local app confirm to indication timer */
365     UINT8             pending_cl_req;
366     UINT8             next_slot_inq;    /* index of next available slot in queue */
367 
368     BOOLEAN         in_use;
369     UINT8           tcb_idx;
370 } tGATT_TCB;
371 
372 
373 /* logic channel */
374 typedef struct
375 {
376     UINT16                  next_disc_start_hdl;   /* starting handle for the next inc srvv discovery */
377     tGATT_DISC_RES          result;
378     BOOLEAN                 wait_for_read_rsp;
379 } tGATT_READ_INC_UUID128;
380 typedef struct
381 {
382     tGATT_TCB               *p_tcb;         /* associated TCB of this CLCB */
383     tGATT_REG               *p_reg;        /* owner of this CLCB */
384     UINT8                   sccb_idx;
385     UINT8                   *p_attr_buf;    /* attribute buffer for read multiple, prepare write */
386     tBT_UUID                uuid;
387     UINT16                  conn_id;        /* connection handle */
388     UINT16                  clcb_idx;
389     UINT16                  s_handle;       /* starting handle of the active request */
390     UINT16                  e_handle;       /* ending handle of the active request */
391     UINT16                  counter;        /* used as offset, attribute length, num of prepare write */
392     UINT16                  start_offset;
393     tGATT_AUTH_REQ          auth_req;       /* authentication requirement */
394     UINT8                   operation;      /* one logic channel can have one operation active */
395     UINT8                   op_subtype;     /* operation subtype */
396     UINT8                   status;         /* operation status */
397     BOOLEAN                 first_read_blob_after_read;
398     tGATT_READ_INC_UUID128  read_uuid128;
399     BOOLEAN                 in_use;
400 } tGATT_CLCB;
401 
402 typedef struct
403 {
404     tGATT_CLCB  *p_clcb;
405 }tGATT_PENDING_ENC_CLCB;
406 
407 
408 #define GATT_SIGN_WRITE             1
409 #define GATT_VERIFY_SIGN_DATA       2
410 
411 typedef struct
412 {
413     BT_HDR      hdr;
414     tGATT_CLCB  *p_clcb;
415 }tGATT_SIGN_WRITE_OP;
416 
417 typedef struct
418 {
419     BT_HDR      hdr;
420     tGATT_TCB   *p_tcb;
421     BT_HDR      *p_data;
422 
423 }tGATT_VERIFY_SIGN_OP;
424 
425 
426 typedef struct
427 {
428     UINT16                  clcb_idx;
429     BOOLEAN                 in_use;
430 } tGATT_SCCB;
431 
432 typedef struct
433 {
434     UINT16      handle;
435     UINT16      uuid;
436     UINT32      service_change;
437 }tGATT_SVC_CHG;
438 
439 typedef struct
440 {
441     tGATT_IF        gatt_if[GATT_MAX_APPS];
442     tGATT_IF        listen_gif[GATT_MAX_APPS];
443     BD_ADDR         remote_bda;
444     BOOLEAN         in_use;
445 }tGATT_BG_CONN_DEV;
446 
447 
448 typedef struct
449 {
450     UINT16  conn_id;
451     BOOLEAN in_use;
452     BOOLEAN connected;
453     BD_ADDR bda;
454 }tGATT_PROFILE_CLCB;
455 
456 typedef struct
457 {
458     tGATT_TCB           tcb[GATT_MAX_PHY_CHANNEL];
459     BUFFER_Q            sign_op_queue;
460 
461     tGATT_SR_REG        sr_reg[GATT_MAX_SR_PROFILES];
462     UINT16              next_handle;    /* next available handle */
463     tGATT_SVC_CHG       gattp_attr;     /* GATT profile attribute service change */
464     tGATT_IF            gatt_if;
465     tGATT_HDL_LIST_INFO hdl_list_info;
466     tGATT_HDL_LIST_ELEM hdl_list[GATT_MAX_SR_PROFILES];
467     tGATT_SRV_LIST_INFO srv_list_info;
468     tGATT_SRV_LIST_ELEM srv_list[GATT_MAX_SR_PROFILES];
469 
470     BUFFER_Q            srv_chg_clt_q;   /* service change clients queue */
471     BUFFER_Q            pending_new_srv_start_q; /* pending new service start queue */
472     tGATT_REG           cl_rcb[GATT_MAX_APPS];
473     tGATT_CLCB          clcb[GATT_CL_MAX_LCB];  /* connection link control block*/
474     tGATT_SCCB          sccb[GATT_MAX_SCCB];    /* sign complete callback function GATT_MAX_SCCB <= GATT_CL_MAX_LCB */
475     UINT8               trace_level;
476     UINT16              def_mtu_size;
477 
478 #if GATT_CONFORMANCE_TESTING == TRUE
479     BOOLEAN             enable_err_rsp;
480     UINT8               req_op_code;
481     UINT8               err_status;
482     UINT16              handle;
483 #endif
484 
485     tGATT_PROFILE_CLCB  profile_clcb[GATT_MAX_APPS];
486     UINT16              handle_of_h_r;          /* Handle of the handles reused characteristic value */
487 
488     tGATT_APPL_INFO       cb_info;
489 
490 
491 
492     tGATT_HDL_CFG           hdl_cfg;
493     tGATT_BG_CONN_DEV       bgconn_dev[GATT_MAX_BG_CONN_DEV];
494 
495 } tGATT_CB;
496 
497 
498 #define GATT_SIZE_OF_SRV_CHG_HNDL_RANGE 4
499 
500 #ifdef __cplusplus
501 extern "C" {
502 #endif
503 
504 /* Global GATT data */
505 #if GATT_DYNAMIC_MEMORY == FALSE
506 GATT_API extern tGATT_CB  gatt_cb;
507 #else
508 GATT_API extern tGATT_CB *gatt_cb_ptr;
509 #define gatt_cb (*gatt_cb_ptr)
510 #endif
511 
512 #if GATT_CONFORMANCE_TESTING == TRUE
513 GATT_API extern void gatt_set_err_rsp(BOOLEAN enable, UINT8 req_op_code, UINT8 err_status);
514 #endif
515 
516 #ifdef __cplusplus
517 }
518 #endif
519 
520 /* internal functions */
521 extern void gatt_init (void);
522 
523 /* from gatt_main.c */
524 extern BOOLEAN gatt_disconnect (BD_ADDR rem_bda);
525 extern BOOLEAN gatt_act_connect (tGATT_REG *p_reg, BD_ADDR bd_addr);
526 extern BOOLEAN gatt_connect (BD_ADDR rem_bda,  tGATT_TCB *p_tcb);
527 extern void gatt_data_process (tGATT_TCB *p_tcb, BT_HDR *p_buf);
528 extern void gatt_update_app_use_link_flag ( tGATT_IF gatt_if, tGATT_TCB *p_tcb, BOOLEAN is_add, BOOLEAN check_acl_link);
529 
530 extern void gatt_profile_db_init(void);
531 extern void gatt_set_ch_state(tGATT_TCB *p_tcb, tGATT_CH_STATE ch_state);
532 extern tGATT_CH_STATE gatt_get_ch_state(tGATT_TCB *p_tcb);
533 extern void gatt_init_srv_chg(void);
534 extern void gatt_proc_srv_chg (void);
535 extern void gatt_send_srv_chg_ind (BD_ADDR peer_bda);
536 extern void gatt_chk_srv_chg(tGATTS_SRV_CHG *p_srv_chg_clt);
537 extern void gatt_add_a_bonded_dev_for_srv_chg (BD_ADDR bda);
538 
539 /* from gatt_attr.c */
540 extern UINT16 gatt_profile_find_conn_id_by_bd_addr(BD_ADDR bda);
541 extern tGATT_PROFILE_CLCB *gatt_profile_find_clcb_by_bd_addr(BD_ADDR bda);
542 extern BOOLEAN gatt_profile_clcb_dealloc (UINT16 conn_id);
543 extern tGATT_PROFILE_CLCB *gatt_profile_clcb_alloc (UINT16 conn_id, BD_ADDR bda);
544 
545 
546 /* Functions provided by att_protocol.c */
547 extern tGATT_STATUS attp_send_cl_msg (tGATT_TCB *p_tcb, UINT16 clcb_idx, UINT8 op_code, tGATT_CL_MSG *p_msg);
548 extern BT_HDR *attp_build_sr_msg(tGATT_TCB *p_tcb, UINT8 op_code, tGATT_SR_MSG *p_msg);
549 extern tGATT_STATUS attp_send_sr_msg (tGATT_TCB *p_tcb, BT_HDR *p_msg);
550 extern BOOLEAN  attp_send_msg_to_L2CAP(tGATT_TCB *p_tcb, BT_HDR *p_toL2CAP);
551 
552 /* utility functions */
553 extern UINT8 * gatt_dbg_op_name(UINT8 op_code);
554 extern UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl);
555 extern BOOLEAN gatt_parse_uuid_from_cmd(tBT_UUID *p_uuid, UINT16 len, UINT8 **p_data);
556 extern UINT8 gatt_build_uuid_to_stream(UINT8 **p_dst, tBT_UUID uuid);
557 extern BOOLEAN gatt_uuid_compare(tBT_UUID src, tBT_UUID tar);
558 extern void gatt_sr_get_sec_info(BD_ADDR rem_bda, BOOLEAN le_conn, UINT8 *p_sec_flag, UINT8 *p_key_size);
559 extern void gatt_start_rsp_timer(tGATT_TCB    *p_tcb);
560 extern void gatt_start_conf_timer(tGATT_TCB    *p_tcb);
561 extern void gatt_rsp_timeout(TIMER_LIST_ENT *p_tle);
562 extern void gatt_ind_ack_timeout(TIMER_LIST_ENT *p_tle);
563 extern void gatt_start_ind_ack_timer(tGATT_TCB *p_tcb);
564 extern tGATT_STATUS gatt_send_error_rsp(tGATT_TCB *p_tcb, UINT8 err_code, UINT8 op_code, UINT16 handle, BOOLEAN deq);
565 extern void gatt_dbg_display_uuid(tBT_UUID bt_uuid);
566 extern tGATT_PENDING_ENC_CLCB* gatt_add_pending_enc_channel_clcb(tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb );
567 
568 extern tGATTS_PENDING_NEW_SRV_START *gatt_sr_is_new_srv_chg(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst);
569 
570 extern BOOLEAN gatt_is_srv_chg_ind_pending (tGATT_TCB *p_tcb);
571 extern tGATTS_SRV_CHG *gatt_is_bda_in_the_srv_chg_clt_list (BD_ADDR bda);
572 
573 extern BOOLEAN gatt_find_the_connected_bda(UINT8 start_idx, BD_ADDR bda, UINT8 *p_found_idx);
574 extern void gatt_set_srv_chg(void);
575 extern void gatt_delete_dev_from_srv_chg_clt_list(BD_ADDR bd_addr);
576 extern tGATT_VALUE *gatt_add_pending_ind(tGATT_TCB  *p_tcb, tGATT_VALUE *p_ind);
577 extern tGATTS_PENDING_NEW_SRV_START *gatt_add_pending_new_srv_start( tGATTS_HNDL_RANGE *p_new_srv_start);
578 extern void gatt_free_srvc_db_buffer_app_id(tBT_UUID *p_app_id);
579 extern void gatt_update_listen_mode(void);
580 
581 /* reserved handle list */
582 extern tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_app_id (tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst);
583 extern tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_handle(UINT16 handle);
584 extern tGATT_HDL_LIST_ELEM *gatt_alloc_hdl_buffer(void);
585 extern void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p);
586 extern BOOLEAN gatt_is_last_attribute(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_start, tBT_UUID value);
587 extern void gatt_update_last_pri_srv_info(tGATT_SRV_LIST_INFO *p_list);
588 extern BOOLEAN gatt_add_a_srv_to_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_new);
589 extern BOOLEAN gatt_remove_a_srv_from_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_remove);
590 extern BOOLEAN gatt_add_an_item_to_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_new);
591 extern BOOLEAN gatt_remove_an_item_from_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_remove);
592 extern tGATTS_SRV_CHG *gatt_add_srv_chg_clt(tGATTS_SRV_CHG *p_srv_chg);
593 
594 /* for background connection */
595 extern BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_addr, BOOLEAN is_initiator);
596 extern BOOLEAN gatt_is_bg_dev_for_app(tGATT_BG_CONN_DEV *p_dev, tGATT_IF gatt_if);
597 extern BOOLEAN gatt_remove_bg_dev_for_app(tGATT_IF gatt_if, BD_ADDR bd_addr);
598 extern UINT8 gatt_get_num_apps_for_bg_dev(BD_ADDR bd_addr);
599 extern BOOLEAN gatt_find_app_for_bg_dev(BD_ADDR bd_addr, tGATT_IF *p_gatt_if);
600 extern tGATT_BG_CONN_DEV * gatt_find_bg_dev(BD_ADDR remote_bda);
601 extern void gatt_deregister_bgdev_list(tGATT_IF gatt_if);
602 extern void gatt_reset_bgdev_list(void);
603 
604 /* server function */
605 extern UINT8 gatt_sr_find_i_rcb_by_handle(UINT16 handle);
606 extern UINT8 gatt_sr_find_i_rcb_by_app_id(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst);
607 extern UINT8 gatt_sr_alloc_rcb(tGATT_HDL_LIST_ELEM *p_list);
608 extern tGATT_STATUS gatt_sr_process_app_rsp (tGATT_TCB *p_tcb, tGATT_IF gatt_if, UINT32 trans_id, UINT8 op_code, tGATT_STATUS status, tGATTS_RSP *p_msg);
609 extern void gatt_server_handle_client_req (tGATT_TCB *p_tcb, UINT8 op_code,
610                                            UINT16 len, UINT8 *p_data);
611 extern void gatt_sr_send_req_callback(UINT16 conn_id,  UINT32 trans_id,
612                                       UINT8 op_code, tGATTS_DATA *p_req_data);
613 extern UINT32 gatt_sr_enqueue_cmd (tGATT_TCB *p_tcb, UINT8 op_code, UINT16 handle);
614 extern BOOLEAN gatt_cancel_open(tGATT_IF gatt_if, BD_ADDR bda);
615 
616 /*   */
617 
618 extern tGATT_REG *gatt_get_regcb (tGATT_IF gatt_if);
619 extern BOOLEAN gatt_is_clcb_allocated (UINT16 conn_id);
620 extern tGATT_CLCB *gatt_clcb_alloc (UINT16 conn_id);
621 extern void gatt_clcb_dealloc (tGATT_CLCB *p_clcb);
622 
623 extern void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB *p_tcb );
624 extern BOOLEAN gatt_sr_is_cback_cnt_zero(tGATT_TCB *p_tcb );
625 extern BOOLEAN gatt_sr_is_prep_cnt_zero(tGATT_TCB *p_tcb );
626 extern void gatt_sr_reset_cback_cnt(tGATT_TCB *p_tcb );
627 extern void gatt_sr_reset_prep_cnt(tGATT_TCB *p_tcb );
628 extern void gatt_sr_update_cback_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first);
629 extern void gatt_sr_update_prep_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first);
630 
631 extern BOOLEAN gatt_find_app_hold_link(tGATT_TCB *p_tcb, UINT8 start_idx, UINT8 *p_found_idx, tGATT_IF *p_gatt_if);
632 extern UINT8 gatt_num_apps_hold_link(tGATT_TCB *p_tcb);
633 extern UINT8 gatt_num_clcb_by_bd_addr(BD_ADDR bda);
634 extern tGATT_TCB * gatt_find_tcb_by_cid(UINT16 lcid);
635 extern tGATT_TCB * gatt_allocate_tcb_by_bdaddr(BD_ADDR bda);
636 extern tGATT_TCB * gatt_get_tcb_by_idx(UINT8 tcb_idx);
637 extern tGATT_TCB * gatt_find_tcb_by_addr(BD_ADDR bda);
638 
639 
640 /* GATT client functions */
641 extern void gatt_dequeue_sr_cmd (tGATT_TCB *p_tcb);
642 extern UINT8 gatt_send_write_msg(tGATT_TCB *p_tcb, UINT16 clcb_idx, UINT8 op_code, UINT16 handle,
643                                  UINT16 len, UINT16 offset, UINT8 *p_data);
644 extern void gatt_cleanup_upon_disc(BD_ADDR bda, UINT16 reason);
645 extern void gatt_end_operation(tGATT_CLCB *p_clcb, tGATT_STATUS status, void *p_data);
646 
647 extern void gatt_act_discovery(tGATT_CLCB *p_clcb);
648 extern void gatt_act_read(tGATT_CLCB *p_clcb, UINT16 offset);
649 extern void gatt_act_write(tGATT_CLCB *p_clcb, UINT8 sec_act);
650 extern UINT8 gatt_act_send_browse(tGATT_TCB *p_tcb, UINT16 index, UINT8 op, UINT16 s_handle, UINT16 e_handle,
651                                   tBT_UUID uuid);
652 extern tGATT_CLCB *gatt_cmd_dequeue(tGATT_TCB *p_tcb, UINT8 *p_opcode);
653 extern BOOLEAN gatt_cmd_enq(tGATT_TCB *p_tcb, UINT16 clcb_idx, BOOLEAN to_send, UINT8 op_code, BT_HDR *p_buf);
654 extern void gatt_client_handle_server_rsp (tGATT_TCB *p_tcb, UINT8 op_code,
655                                            UINT16 len, UINT8 *p_data);
656 extern void gatt_send_queue_write_cancel (tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb, tGATT_EXEC_FLAG flag);
657 
658 /* gatt_auth.c */
659 extern BOOLEAN gatt_security_check_start(tGATT_CLCB *p_clcb);
660 extern void gatt_verify_signature(tGATT_TCB *p_tcb, BT_HDR *p_buf);
661 extern tGATT_SEC_ACTION gatt_determine_sec_act(tGATT_CLCB *p_clcb );
662 extern tGATT_STATUS gatt_get_link_encrypt_status(tGATT_TCB *p_tcb);
663 extern tGATT_SEC_ACTION gatt_get_sec_act(tGATT_TCB *p_tcb);
664 extern void gatt_set_sec_act(tGATT_TCB *p_tcb, tGATT_SEC_ACTION sec_act);
665 
666 /* gatt_db.c */
667 extern BOOLEAN gatts_init_service_db (tGATT_SVC_DB *p_db, tBT_UUID service, BOOLEAN is_pri, UINT16 s_hdl, UINT16 num_handle);
668 extern UINT16 gatts_add_included_service (tGATT_SVC_DB *p_db, UINT16 s_handle, UINT16 e_handle, tBT_UUID service);
669 extern UINT16 gatts_add_characteristic (tGATT_SVC_DB *p_db, tGATT_PERM perm, tGATT_CHAR_PROP property, tBT_UUID *p_char_uuid);
670 extern UINT16 gatts_add_char_descr (tGATT_SVC_DB *p_db, tGATT_PERM perm, tBT_UUID *p_dscp_uuid);
671 extern tGATT_STATUS gatts_db_read_attr_value_by_type (tGATT_TCB *p_tcb, tGATT_SVC_DB *p_db, UINT8 op_code, BT_HDR *p_rsp, UINT16 s_handle,
672                                                       UINT16 e_handle, tBT_UUID type, UINT16 *p_len, tGATT_SEC_FLAG sec_flag, UINT8 key_size,UINT32 trans_id, UINT16 *p_cur_handle);
673 extern tGATT_STATUS gatts_read_attr_value_by_handle(tGATT_TCB *p_tcb,tGATT_SVC_DB *p_db, UINT8 op_code, UINT16 handle, UINT16 offset,
674                                                     UINT8 *p_value, UINT16 *p_len, UINT16 mtu,tGATT_SEC_FLAG sec_flag,UINT8 key_size,UINT32 trans_id);
675 extern tGATT_STATUS gatts_write_attr_perm_check (tGATT_SVC_DB *p_db, UINT8 op_code,UINT16 handle, UINT16 offset, UINT8 *p_data,
676                                                  UINT16 len, tGATT_SEC_FLAG sec_flag, UINT8 key_size);
677 extern tGATT_STATUS gatts_read_attr_perm_check(tGATT_SVC_DB *p_db, BOOLEAN is_long, UINT16 handle, tGATT_SEC_FLAG sec_flag,UINT8 key_size);
678 extern void gatts_update_srv_list_elem(UINT8 i_sreg, UINT16 handle, BOOLEAN is_primary);
679 extern tBT_UUID * gatts_get_service_uuid (tGATT_SVC_DB *p_db);
680 
681 extern void gatt_reset_bgdev_list(void);
682 #endif
683 
684 #endif /* BLE_INCLUDED */
685