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 /******************************************************************************
20  *
21  *  This file contains internally used SDP definitions
22  *
23  ******************************************************************************/
24 
25 #ifndef  SDP_INT_H
26 #define  SDP_INT_H
27 
28 #include "bt_target.h"
29 #include "sdp_api.h"
30 #include "l2c_api.h"
31 
32 
33 /* Continuation length - we use a 2-byte offset */
34 #define SDP_CONTINUATION_LEN        2
35 #define SDP_MAX_CONTINUATION_LEN    16          /* As per the spec */
36 
37 /* Timeout definitions. */
38 #define SDP_INACT_TIMEOUT       30              /* Inactivity timeout         */
39 
40 
41 /* Define the Out-Flow default values. */
42 #define  SDP_OFLOW_QOS_FLAG                 0
43 #define  SDP_OFLOW_SERV_TYPE                0
44 #define  SDP_OFLOW_TOKEN_RATE               0
45 #define  SDP_OFLOW_TOKEN_BUCKET_SIZE        0
46 #define  SDP_OFLOW_PEAK_BANDWIDTH           0
47 #define  SDP_OFLOW_LATENCY                  0
48 #define  SDP_OFLOW_DELAY_VARIATION          0
49 
50 /* Define the In-Flow default values. */
51 #define  SDP_IFLOW_QOS_FLAG                 0
52 #define  SDP_IFLOW_SERV_TYPE                0
53 #define  SDP_IFLOW_TOKEN_RATE               0
54 #define  SDP_IFLOW_TOKEN_BUCKET_SIZE        0
55 #define  SDP_IFLOW_PEAK_BANDWIDTH           0
56 #define  SDP_IFLOW_LATENCY                  0
57 #define  SDP_IFLOW_DELAY_VARIATION          0
58 
59 #define  SDP_LINK_TO                        0
60 
61 /* Define the type of device notification. */
62 /* (Inquiry Scan and Page Scan)            */
63 #define  SDP_DEVICE_NOTI_LEN                sizeof (BT_HDR) +           \
64                                             HCIC_PREAMBLE_SIZE +        \
65                                             HCIC_PARAM_SIZE_WRITE_PARAM1
66 
67 #define  SDP_DEVICE_NOTI_FLAG               0x03
68 
69 /* Define the Protocol Data Unit (PDU) types.
70 */
71 #define  SDP_PDU_ERROR_RESPONSE                 0x01
72 #define  SDP_PDU_SERVICE_SEARCH_REQ             0x02
73 #define  SDP_PDU_SERVICE_SEARCH_RSP             0x03
74 #define  SDP_PDU_SERVICE_ATTR_REQ               0x04
75 #define  SDP_PDU_SERVICE_ATTR_RSP               0x05
76 #define  SDP_PDU_SERVICE_SEARCH_ATTR_REQ        0x06
77 #define  SDP_PDU_SERVICE_SEARCH_ATTR_RSP        0x07
78 
79 /* Max UUIDs and attributes we support per sequence */
80 #define     MAX_UUIDS_PER_SEQ       16
81 #define     MAX_ATTR_PER_SEQ        16
82 
83 /* Max length we support for any attribute */
84 // btla-specific ++
85 #ifdef SDP_MAX_ATTR_LEN
86 #define MAX_ATTR_LEN SDP_MAX_ATTR_LEN
87 #else
88 #define     MAX_ATTR_LEN            256
89 #endif
90 // btla-specific --
91 
92 /* Internal UUID sequence representation */
93 typedef struct
94 {
95     UINT16     len;
96     UINT8      value[MAX_UUID_SIZE];
97 } tUID_ENT;
98 
99 typedef struct
100 {
101     UINT16      num_uids;
102     tUID_ENT    uuid_entry[MAX_UUIDS_PER_SEQ];
103 } tSDP_UUID_SEQ;
104 
105 
106 /* Internal attribute sequence definitions */
107 typedef struct
108 {
109     UINT16      start;
110     UINT16      end;
111 } tATT_ENT;
112 
113 typedef struct
114 {
115     UINT16      num_attr;
116     tATT_ENT    attr_entry[MAX_ATTR_PER_SEQ];
117 } tSDP_ATTR_SEQ;
118 
119 
120 /* Define the attribute element of the SDP database record */
121 typedef struct
122 {
123     UINT32  len;           /* Number of bytes in the entry */
124     UINT8   *value_ptr;    /* Points to attr_pad */
125     UINT16  id;
126     UINT8   type;
127 } tSDP_ATTRIBUTE;
128 
129 /* An SDP record consists of a handle, and 1 or more attributes */
130 typedef struct
131 {
132     UINT32              record_handle;
133     UINT32              free_pad_ptr;
134     UINT16              num_attributes;
135     tSDP_ATTRIBUTE      attribute[SDP_MAX_REC_ATTR];
136     UINT8               attr_pad[SDP_MAX_PAD_LEN];
137 } tSDP_RECORD;
138 
139 
140 /* Define the SDP database */
141 typedef struct
142 {
143     UINT32         di_primary_handle;       /* Device ID Primary record or NULL if nonexistent */
144     UINT16         num_records;
145     tSDP_RECORD    record[SDP_MAX_RECORDS];
146 } tSDP_DB;
147 
148 enum
149 {
150     SDP_IS_SEARCH,
151     SDP_IS_ATTR_SEARCH,
152 };
153 
154 #if SDP_SERVER_ENABLED == TRUE
155 /* Continuation information for the SDP server response */
156 typedef struct
157 {
158     UINT16            next_attr_index; /* attr index for next continuation response */
159     UINT16            next_attr_start_id;  /* attr id to start with for the attr index in next cont. response */
160     tSDP_RECORD       *prev_sdp_rec; /* last sdp record that was completely sent in the response */
161     BOOLEAN           last_attr_seq_desc_sent; /* whether attr seq length has been sent previously */
162     UINT16            attr_offset; /* offset within the attr to keep trak of partial attributes in the responses */
163 } tSDP_CONT_INFO;
164 #endif  /* SDP_SERVER_ENABLED == TRUE */
165 
166 /* Define the SDP Connection Control Block */
167 typedef struct
168 {
169 #define SDP_STATE_IDLE              0
170 #define SDP_STATE_CONN_SETUP        1
171 #define SDP_STATE_CFG_SETUP         2
172 #define SDP_STATE_CONNECTED         3
173     UINT8             con_state;
174 
175 #define SDP_FLAGS_IS_ORIG           0x01
176 #define SDP_FLAGS_HIS_CFG_DONE      0x02
177 #define SDP_FLAGS_MY_CFG_DONE       0x04
178     UINT8             con_flags;
179 
180     BD_ADDR           device_address;
181     TIMER_LIST_ENT    timer_entry;
182     UINT16            rem_mtu_size;
183     UINT16            connection_id;
184     UINT16            list_len;                 /* length of the response in the GKI buffer */
185     UINT8             *rsp_list;                /* pointer to GKI buffer holding response */
186 
187 #if SDP_CLIENT_ENABLED == TRUE
188     tSDP_DISCOVERY_DB *p_db;                    /* Database to save info into   */
189     tSDP_DISC_CMPL_CB *p_cb;                    /* Callback for discovery done  */
190     tSDP_DISC_CMPL_CB2 *p_cb2;                   /* Callback for discovery done piggy back with the user data */
191     void               *user_data;              /* piggy back user data */
192     UINT32            handles[SDP_MAX_DISC_SERVER_RECS]; /* Discovered server record handles */
193     UINT16            num_handles;              /* Number of server handles     */
194     UINT16            cur_handle;               /* Current handle being processed */
195     UINT16            transaction_id;
196     UINT16            disconnect_reason;        /* Disconnect reason            */
197 #if (defined(SDP_BROWSE_PLUS) && SDP_BROWSE_PLUS == TRUE)
198     UINT16            cur_uuid_idx;
199 #endif
200 
201 #define SDP_DISC_WAIT_CONN          0
202 #define SDP_DISC_WAIT_HANDLES       1
203 #define SDP_DISC_WAIT_ATTR          2
204 #define SDP_DISC_WAIT_SEARCH_ATTR   3
205 #define SDP_DISC_WAIT_CANCEL        5
206 
207     UINT8             disc_state;
208     UINT8             is_attr_search;
209 #endif  /* SDP_CLIENT_ENABLED == TRUE */
210 
211 #if SDP_SERVER_ENABLED == TRUE
212     UINT16            cont_offset;              /* Continuation state data in the server response */
213     tSDP_CONT_INFO    cont_info;                /* structure to hold continuation information for the server response */
214 #endif  /* SDP_SERVER_ENABLED == TRUE */
215 
216 } tCONN_CB;
217 
218 
219 /*  The main SDP control block */
220 typedef struct
221 {
222     tL2CAP_CFG_INFO   l2cap_my_cfg;             /* My L2CAP config     */
223     tCONN_CB          ccb[SDP_MAX_CONNECTIONS];
224 #if SDP_SERVER_ENABLED == TRUE
225     tSDP_DB           server_db;
226 #endif
227     tL2CAP_APPL_INFO  reg_info;                 /* L2CAP Registration info */
228     UINT16            max_attr_list_size;       /* Max attribute list size to use   */
229     UINT16            max_recs_per_search;      /* Max records we want per seaarch  */
230     UINT8             trace_level;
231 } tSDP_CB;
232 
233 #ifdef __cplusplus
234 extern "C" {
235 #endif
236 /* Global SDP data */
237 #if SDP_DYNAMIC_MEMORY == FALSE
238 extern tSDP_CB  sdp_cb;
239 #else
240 extern tSDP_CB *sdp_cb_ptr;
241 #define sdp_cb (*sdp_cb_ptr)
242 #endif
243 
244 #ifdef __cplusplus
245 }
246 #endif
247 
248 /* Functions provided by sdp_main.c */
249 extern void     sdp_init (void);
250 extern void     sdp_disconnect (tCONN_CB*p_ccb, UINT16 reason);
251 
252 #if (defined(SDP_DEBUG) && SDP_DEBUG == TRUE)
253 extern UINT16 sdp_set_max_attr_list_size (UINT16 max_size);
254 #endif
255 
256 /* Functions provided by sdp_conn.c
257 */
258 extern void sdp_conn_rcv_l2e_conn_ind (BT_HDR *p_msg);
259 extern void sdp_conn_rcv_l2e_conn_cfm (BT_HDR *p_msg);
260 extern void sdp_conn_rcv_l2e_disc (BT_HDR *p_msg);
261 extern void sdp_conn_rcv_l2e_config_ind (BT_HDR *p_msg);
262 extern void sdp_conn_rcv_l2e_config_cfm (BT_HDR *p_msg);
263 extern void sdp_conn_rcv_l2e_conn_failed (BT_HDR *p_msg);
264 extern void sdp_conn_rcv_l2e_connected (BT_HDR *p_msg);
265 extern void sdp_conn_rcv_l2e_conn_failed (BT_HDR *p_msg);
266 extern void sdp_conn_rcv_l2e_data (BT_HDR *p_msg);
267 extern void sdp_conn_timeout (tCONN_CB *p_ccb);
268 
269 extern tCONN_CB *sdp_conn_originate (UINT8 *p_bd_addr);
270 
271 /* Functions provided by sdp_utils.c
272 */
273 extern tCONN_CB *sdpu_find_ccb_by_cid (UINT16 cid);
274 extern tCONN_CB *sdpu_find_ccb_by_db (tSDP_DISCOVERY_DB *p_db);
275 extern tCONN_CB *sdpu_allocate_ccb (void);
276 extern void      sdpu_release_ccb (tCONN_CB *p_ccb);
277 
278 extern UINT8    *sdpu_build_attrib_seq (UINT8 *p_out, UINT16 *p_attr, UINT16 num_attrs);
279 extern UINT8    *sdpu_build_attrib_entry (UINT8 *p_out, tSDP_ATTRIBUTE *p_attr);
280 extern void      sdpu_build_n_send_error (tCONN_CB *p_ccb, UINT16 trans_num, UINT16 error_code, char *p_error_text);
281 
282 extern UINT8    *sdpu_extract_attr_seq (UINT8 *p, UINT16 param_len, tSDP_ATTR_SEQ *p_seq);
283 extern UINT8    *sdpu_extract_uid_seq (UINT8 *p, UINT16 param_len, tSDP_UUID_SEQ *p_seq);
284 
285 extern UINT8    *sdpu_get_len_from_type (UINT8 *p, UINT8 type, UINT32 *p_len);
286 extern BOOLEAN  sdpu_is_base_uuid (UINT8 *p_uuid);
287 extern BOOLEAN  sdpu_compare_uuid_arrays (UINT8 *p_uuid1, UINT32 len1, UINT8 *p_uuid2, UINT16 len2);
288 extern BOOLEAN  sdpu_compare_bt_uuids (tBT_UUID *p_uuid1, tBT_UUID *p_uuid2);
289 extern BOOLEAN  sdpu_compare_uuid_with_attr (tBT_UUID *p_btuuid, tSDP_DISC_ATTR *p_attr);
290 
291 extern void     sdpu_sort_attr_list( UINT16 num_attr, tSDP_DISCOVERY_DB *p_db );
292 extern UINT16 sdpu_get_list_len( tSDP_UUID_SEQ   *uid_seq, tSDP_ATTR_SEQ   *attr_seq );
293 extern UINT16 sdpu_get_attrib_seq_len(tSDP_RECORD *p_rec, tSDP_ATTR_SEQ *attr_seq);
294 extern UINT16 sdpu_get_attrib_entry_len(tSDP_ATTRIBUTE *p_attr);
295 extern UINT8 *sdpu_build_partial_attrib_entry (UINT8 *p_out, tSDP_ATTRIBUTE *p_attr, UINT16 len, UINT16 *offset);
296 extern void sdpu_uuid16_to_uuid128(UINT16 uuid16, UINT8* p_uuid128);
297 
298 /* Functions provided by sdp_db.c
299 */
300 extern tSDP_RECORD    *sdp_db_service_search (tSDP_RECORD *p_rec, tSDP_UUID_SEQ *p_seq);
301 extern tSDP_RECORD    *sdp_db_find_record (UINT32 handle);
302 extern tSDP_ATTRIBUTE *sdp_db_find_attr_in_rec (tSDP_RECORD *p_rec, UINT16 start_attr, UINT16 end_attr);
303 
304 
305 /* Functions provided by sdp_server.c
306 */
307 #if SDP_SERVER_ENABLED == TRUE
308 extern void     sdp_server_handle_client_req (tCONN_CB *p_ccb, BT_HDR *p_msg);
309 #else
310 #define sdp_server_handle_client_req(p_ccb, p_msg)
311 #endif
312 
313 /* Functions provided by sdp_discovery.c
314 */
315 #if SDP_CLIENT_ENABLED == TRUE
316 extern void sdp_disc_connected (tCONN_CB *p_ccb);
317 extern void sdp_disc_server_rsp (tCONN_CB *p_ccb, BT_HDR *p_msg);
318 #else
319 #define sdp_disc_connected(p_ccb)
320 #define sdp_disc_server_rsp(p_ccb, p_msg)
321 #endif
322 
323 
324 
325 #endif
326