1 /******************************************************************************
2 *
3 * Copyright (C) 2002-2012 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 module contains the stream control block and functions which
22 * operate on the stream control block.
23 *
24 ******************************************************************************/
25
26 #include <string.h>
27 #include "avdt_api.h"
28 #include "avdt_int.h"
29 #include "avdtc_api.h"
30 #include "bt_common.h"
31 #include "bt_target.h"
32 #include "bt_types.h"
33 #include "bt_utils.h"
34 #include "btu.h"
35 #include "osi/include/osi.h"
36
37 /*****************************************************************************
38 * state machine constants and types
39 ****************************************************************************/
40 #if (AVDT_DEBUG == TRUE)
41
42 /* verbose state strings for trace */
43 const char* const avdt_scb_st_str[] = {"SCB_IDLE_ST", "SCB_CONF_ST",
44 "SCB_OPENING_ST", "SCB_OPEN_ST",
45 "SCB_STREAM_ST", "SCB_CLOSING_ST"};
46
47 /* verbose event strings for trace */
48 const char* const avdt_scb_evt_str[] = {
49 "API_REMOVE_EVT", "API_WRITE_REQ_EVT", "API_GETCONFIG_REQ_EVT",
50 "API_DELAY_RPT_REQ", "API_SETCONFIG_REQ_EVT", "API_OPEN_REQ_EVT",
51 "API_CLOSE_REQ_EVT", "API_RECONFIG_REQ_EVT", "API_SECURITY_REQ_EVT",
52 "API_ABORT_REQ_EVT", "API_GETCONFIG_RSP_EVT", "API_SETCONFIG_RSP_EVT",
53 "API_SETCONFIG_REJ_EVT", "API_OPEN_RSP_EVT", "API_CLOSE_RSP_EVT",
54 "API_RECONFIG_RSP_EVT", "API_SECURITY_RSP_EVT", "API_ABORT_RSP_EVT",
55 "MSG_SETCONFIG_CMD_EVT", "MSG_GETCONFIG_CMD_EVT", "MSG_OPEN_CMD_EVT",
56 "MSG_START_CMD_EVT", "MSG_SUSPEND_CMD_EVT", "MSG_CLOSE_CMD_EVT",
57 "MSG_ABORT_CMD_EVT", "MSG_RECONFIG_CMD_EVT", "MSG_SECURITY_CMD_EVT",
58 "MSG_DELAY_RPT_CMD_EVT", "MSG_DELAY_RPT_RSP_EVT", "MSG_SETCONFIG_RSP_EVT",
59 "MSG_GETCONFIG_RSP_EVT", "MSG_OPEN_RSP_EVT", "MSG_START_RSP_EVT",
60 "MSG_SUSPEND_RSP_EVT", "MSG_CLOSE_RSP_EVT", "MSG_ABORT_RSP_EVT",
61 "MSG_RECONFIG_RSP_EVT", "MSG_SECURITY_RSP_EVT", "MSG_SETCONFIG_REJ_EVT",
62 "MSG_OPEN_REJ_EVT", "MSG_START_REJ_EVT", "MSG_SUSPEND_REJ_EVT",
63 "TC_TOUT_EVT", "TC_OPEN_EVT", "TC_CLOSE_EVT",
64 "TC_CONG_EVT", "TC_DATA_EVT", "CC_CLOSE_EVT"};
65
66 #endif
67
68 /* action function list */
69 const tAVDT_SCB_ACTION avdt_scb_action[] = {avdt_scb_hdl_abort_cmd,
70 avdt_scb_hdl_abort_rsp,
71 avdt_scb_hdl_close_cmd,
72 avdt_scb_hdl_close_rsp,
73 avdt_scb_hdl_getconfig_cmd,
74 avdt_scb_hdl_getconfig_rsp,
75 avdt_scb_hdl_open_cmd,
76 avdt_scb_hdl_open_rej,
77 avdt_scb_hdl_open_rsp,
78 avdt_scb_hdl_pkt,
79 avdt_scb_drop_pkt,
80 avdt_scb_hdl_reconfig_cmd,
81 avdt_scb_hdl_reconfig_rsp,
82 avdt_scb_hdl_security_cmd,
83 avdt_scb_hdl_security_rsp,
84 avdt_scb_hdl_setconfig_cmd,
85 avdt_scb_hdl_setconfig_rej,
86 avdt_scb_hdl_setconfig_rsp,
87 avdt_scb_hdl_start_cmd,
88 avdt_scb_hdl_start_rsp,
89 avdt_scb_hdl_suspend_cmd,
90 avdt_scb_hdl_suspend_rsp,
91 avdt_scb_hdl_tc_close,
92 #if (AVDT_REPORTING == TRUE)
93 avdt_scb_hdl_tc_close_sto,
94 #endif
95 avdt_scb_hdl_tc_open,
96 #if (AVDT_REPORTING == TRUE)
97 avdt_scb_hdl_tc_open_sto,
98 #endif
99 avdt_scb_snd_delay_rpt_req,
100 avdt_scb_hdl_delay_rpt_cmd,
101 avdt_scb_hdl_delay_rpt_rsp,
102 avdt_scb_hdl_write_req,
103 avdt_scb_snd_abort_req,
104 avdt_scb_snd_abort_rsp,
105 avdt_scb_snd_close_req,
106 avdt_scb_snd_stream_close,
107 avdt_scb_snd_close_rsp,
108 avdt_scb_snd_getconfig_req,
109 avdt_scb_snd_getconfig_rsp,
110 avdt_scb_snd_open_req,
111 avdt_scb_snd_open_rsp,
112 avdt_scb_snd_reconfig_req,
113 avdt_scb_snd_reconfig_rsp,
114 avdt_scb_snd_security_req,
115 avdt_scb_snd_security_rsp,
116 avdt_scb_snd_setconfig_req,
117 avdt_scb_snd_setconfig_rej,
118 avdt_scb_snd_setconfig_rsp,
119 avdt_scb_snd_tc_close,
120 avdt_scb_cb_err,
121 avdt_scb_cong_state,
122 avdt_scb_rej_state,
123 avdt_scb_rej_in_use,
124 avdt_scb_rej_not_in_use,
125 avdt_scb_set_remove,
126 avdt_scb_free_pkt,
127 avdt_scb_clr_pkt,
128 avdt_scb_chk_snd_pkt,
129 avdt_scb_transport_channel_timer,
130 avdt_scb_clr_vars,
131 avdt_scb_dealloc};
132
133 /* state table information */
134 #define AVDT_SCB_ACTIONS 2 /* number of actions */
135 #define AVDT_SCB_NEXT_STATE 2 /* position of next state */
136 #define AVDT_SCB_NUM_COLS 3 /* number of columns in state tables */
137
138 /* state table for idle state */
139 const uint8_t avdt_scb_st_idle[][AVDT_SCB_NUM_COLS] = {
140 /* Event */
141 /* Action 1 Action 2 Next state */
142 /* API_REMOVE_EVT */
143 {AVDT_SCB_DEALLOC, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
144 /* API_WRITE_REQ_EVT */
145 {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
146 /* API_GETCONFIG_REQ_EVT */
147 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
148 /* API_DELAY_RPT_REQ_EVT */
149 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
150 /* API_SETCONFIG_REQ_EVT */
151 {AVDT_SCB_SND_SETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
152 /* API_OPEN_REQ_EVT */
153 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
154 /* API_CLOSE_REQ_EVT */
155 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
156 /* API_RECONFIG_REQ_EVT */
157 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
158 /* API_SECURITY_REQ_EVT */
159 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
160 /* API_ABORT_REQ_EVT */
161 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
162 /* API_GETCONFIG_RSP_EVT */
163 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
164 /* API_SETCONFIG_RSP_EVT */
165 {AVDT_SCB_SND_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
166 /* API_SETCONFIG_REJ_EVT */
167 {AVDT_SCB_SND_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
168 /* API_OPEN_RSP_EVT */
169 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
170 /* API_CLOSE_RSP_EVT */
171 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
172 /* API_RECONFIG_RSP_EVT */
173 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
174 /* API_SECURITY_RSP_EVT */
175 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
176 /* API_ABORT_RSP_EVT */
177 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
178 /* MSG_SETCONFIG_CMD_EVT */
179 {AVDT_SCB_HDL_SETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
180 /* MSG_GETCONFIG_CMD_EVT */
181 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
182 /* MSG_OPEN_CMD_EVT */
183 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
184 /* MSG_START_CMD_EVT */
185 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
186 /* MSG_SUSPEND_CMD_EVT */
187 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
188 /* MSG_CLOSE_CMD_EVT */
189 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
190 /* MSG_ABORT_CMD_EVT */
191 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
192 /* MSG_RECONFIG_CMD_EVT */
193 {AVDT_SCB_REJ_NOT_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
194 /* MSG_SECURITY_CMD_EVT */
195 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
196 /* MSG_DELAY_RPT_CMD_EVT */
197 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
198 /* MSG_DELAY_RPT_RSP_EVT */
199 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
200 /* MSG_SETCONFIG_RSP_EVT */
201 {AVDT_SCB_HDL_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
202 /* MSG_GETCONFIG_RSP_EVT */
203 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
204 /* MSG_OPEN_RSP_EVT */
205 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
206 /* MSG_START_RSP_EVT */
207 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
208 /* MSG_SUSPEND_RSP_EVT */
209 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
210 /* MSG_CLOSE_RSP_EVT */
211 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
212 /* MSG_ABORT_RSP_EVT */
213 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
214 /* MSG_RECONFIG_RSP_EVT */
215 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
216 /* MSG_SECURITY_RSP_EVT */
217 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
218 /* MSG_SETCONFIG_REJ_EVT */
219 {AVDT_SCB_HDL_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
220 /* MSG_OPEN_REJ_EVT */
221 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
222 /* MSG_START_REJ_EVT */
223 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
224 /* MSG_SUSPEND_REJ_EVT */
225 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
226 /* TC_TOUT_EVT */
227 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
228 /* TC_OPEN_EVT */
229 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
230 /* TC_CLOSE_EVT */
231 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
232 /* TC_CONG_EVT */
233 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
234 /* TC_DATA_EVT */
235 {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
236 /* CC_CLOSE_EVT */
237 {AVDT_SCB_CLR_VARS, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}};
238
239 /* state table for configured state */
240 const uint8_t avdt_scb_st_conf[][AVDT_SCB_NUM_COLS] = {
241 /* Event */
242 /* Action 1 Action 2 Next state */
243 /* API_REMOVE_EVT */
244 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CONF_ST},
245 /* API_WRITE_REQ_EVT */
246 {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
247 /* API_GETCONFIG_REQ_EVT */
248 {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
249 /* API_DELAY_RPT_REQ_EVT */
250 {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
251 /* API_SETCONFIG_REQ_EVT */
252 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
253 /* API_OPEN_REQ_EVT */
254 {AVDT_SCB_SND_OPEN_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
255 /* API_CLOSE_REQ_EVT */
256 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
257 /* API_RECONFIG_REQ_EVT */
258 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
259 /* API_SECURITY_REQ_EVT */
260 {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
261 /* API_ABORT_REQ_EVT */
262 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
263 /* API_GETCONFIG_RSP_EVT */
264 {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
265 /* API_SETCONFIG_RSP_EVT */
266 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
267 /* API_SETCONFIG_REJ_EVT */
268 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
269 /* API_OPEN_RSP_EVT */
270 {AVDT_SCB_SND_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
271 /* API_CLOSE_RSP_EVT */
272 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
273 /* API_RECONFIG_RSP_EVT */
274 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
275 /* API_SECURITY_RSP_EVT */
276 {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
277 /* API_ABORT_RSP_EVT */
278 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST},
279 /* MSG_SETCONFIG_CMD_EVT */
280 {AVDT_SCB_REJ_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
281 /* MSG_GETCONFIG_CMD_EVT */
282 {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
283 /* MSG_OPEN_CMD_EVT */
284 {AVDT_SCB_HDL_OPEN_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
285 /* MSG_START_CMD_EVT */
286 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
287 /* MSG_SUSPEND_CMD_EVT */
288 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
289 /* MSG_CLOSE_CMD_EVT */
290 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
291 /* MSG_ABORT_CMD_EVT */
292 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
293 /* MSG_RECONFIG_CMD_EVT */
294 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
295 /* MSG_SECURITY_CMD_EVT */
296 {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
297 /* MSG_DELAY_RPT_CMD_EVT */
298 {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
299 /* MSG_DELAY_RPT_RSP_EVT */
300 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
301 /* MSG_SETCONFIG_RSP_EVT */
302 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
303 /* MSG_GETCONFIG_RSP_EVT */
304 {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
305 /* MSG_OPEN_RSP_EVT */
306 {AVDT_SCB_HDL_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
307 /* MSG_START_RSP_EVT */
308 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
309 /* MSG_SUSPEND_RSP_EVT */
310 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
311 /* MSG_CLOSE_RSP_EVT */
312 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
313 /* MSG_ABORT_RSP_EVT */
314 {AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST},
315 /* MSG_RECONFIG_RSP_EVT */
316 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
317 /* MSG_SECURITY_RSP_EVT */
318 {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
319 /* MSG_SETCONFIG_REJ_EVT */
320 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
321 /* MSG_OPEN_REJ_EVT */
322 {AVDT_SCB_HDL_OPEN_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
323 /* MSG_START_REJ_EVT */
324 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
325 /* MSG_SUSPEND_REJ_EVT */
326 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
327 /* TC_TOUT_EVT */
328 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
329 /* TC_OPEN_EVT */
330 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
331 /* TC_CLOSE_EVT */
332 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
333 /* TC_CONG_EVT */
334 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
335 /* TC_DATA_EVT */
336 {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
337 /* CC_CLOSE_EVT */
338 {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}};
339
340 /* state table for opening state */
341 const uint8_t avdt_scb_st_opening[][AVDT_SCB_NUM_COLS] = {
342 /* Event */
343 /* Action 1 Action 2 Next state */
344 /* API_REMOVE_EVT */
345 {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
346 /* API_WRITE_REQ_EVT */
347 {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
348 /* API_GETCONFIG_REQ_EVT */
349 {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
350 /* API_DELAY_RPT_REQ_EVT */
351 {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
352 /* API_SETCONFIG_REQ_EVT */
353 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
354 /* API_OPEN_REQ_EVT */
355 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
356 /* API_CLOSE_REQ_EVT */
357 {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
358 /* API_RECONFIG_REQ_EVT */
359 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
360 /* API_SECURITY_REQ_EVT */
361 {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
362 /* API_ABORT_REQ_EVT */
363 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
364 /* API_GETCONFIG_RSP_EVT */
365 {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
366 /* API_SETCONFIG_RSP_EVT */
367 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
368 /* API_SETCONFIG_REJ_EVT */
369 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
370 /* API_OPEN_RSP_EVT */
371 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
372 /* API_CLOSE_RSP_EVT */
373 {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST},
374 /* API_RECONFIG_RSP_EVT */
375 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
376 /* API_SECURITY_RSP_EVT */
377 {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
378 /* API_ABORT_RSP_EVT */
379 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST},
380 /* MSG_SETCONFIG_CMD_EVT */
381 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
382 /* MSG_GETCONFIG_CMD_EVT */
383 {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
384 /* MSG_OPEN_CMD_EVT */
385 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
386 /* MSG_START_CMD_EVT */
387 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
388 /* MSG_SUSPEND_CMD_EVT */
389 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
390 /* MSG_CLOSE_CMD_EVT */
391 {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
392 /* MSG_ABORT_CMD_EVT */
393 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
394 /* MSG_RECONFIG_CMD_EVT */
395 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
396 /* MSG_SECURITY_CMD_EVT */
397 {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
398 /* MSG_DELAY_RPT_CMD_EVT */
399 {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
400 /* MSG_DELAY_RPT_RSP_EVT */
401 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
402 /* MSG_SETCONFIG_RSP_EVT */
403 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
404 /* MSG_GETCONFIG_RSP_EVT */
405 {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
406 /* MSG_OPEN_RSP_EVT */
407 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
408 /* MSG_START_RSP_EVT */
409 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
410 /* MSG_SUSPEND_RSP_EVT */
411 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
412 /* MSG_CLOSE_RSP_EVT */
413 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
414 /* MSG_ABORT_RSP_EVT */
415 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST},
416 /* MSG_RECONFIG_RSP_EVT */
417 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
418 /* MSG_SECURITY_RSP_EVT */
419 {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
420 /* MSG_SETCONFIG_REJ_EVT */
421 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
422 /* MSG_OPEN_REJ_EVT */
423 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
424 /* MSG_START_REJ_EVT */
425 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
426 /* MSG_SUSPEND_REJ_EVT */
427 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
428 /* TC_TOUT_EVT */
429 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
430 /* TC_OPEN_EVT */
431 {AVDT_SCB_HDL_TC_OPEN, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
432 /* TC_CLOSE_EVT */
433 {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
434 /* TC_CONG_EVT */
435 {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
436 /* TC_DATA_EVT */
437 {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
438 /* CC_CLOSE_EVT */
439 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}};
440
441 /* state table for open state */
442 const uint8_t avdt_scb_st_open[][AVDT_SCB_NUM_COLS] = {
443 /* Event */
444 /* Action 1 Action 2 Next state */
445 /* API_REMOVE_EVT */
446 {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
447 /* API_WRITE_REQ_EVT */
448 {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
449 /* API_GETCONFIG_REQ_EVT */
450 {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
451 /* API_DELAY_RPT_REQ_EVT */
452 {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
453 /* API_SETCONFIG_REQ_EVT */
454 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
455 /* API_OPEN_REQ_EVT */
456 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
457 /* API_CLOSE_REQ_EVT */
458 {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
459 /* API_RECONFIG_REQ_EVT */
460 {AVDT_SCB_SND_RECONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
461 /* API_SECURITY_REQ_EVT */
462 {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
463 /* API_ABORT_REQ_EVT */
464 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
465 /* API_GETCONFIG_RSP_EVT */
466 {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
467 /* API_SETCONFIG_RSP_EVT */
468 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
469 /* API_SETCONFIG_REJ_EVT */
470 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
471 /* API_OPEN_RSP_EVT */
472 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
473 /* API_CLOSE_RSP_EVT */
474 {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
475 /* API_RECONFIG_RSP_EVT */
476 {AVDT_SCB_SND_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
477 /* API_SECURITY_RSP_EVT */
478 {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
479 /* API_ABORT_RSP_EVT */
480 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
481 /* MSG_SETCONFIG_CMD_EVT */
482 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
483 /* MSG_GETCONFIG_CMD_EVT */
484 {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
485 /* MSG_OPEN_CMD_EVT */
486 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
487 /* MSG_START_CMD_EVT */
488 {AVDT_SCB_HDL_START_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
489 /* MSG_SUSPEND_CMD_EVT */
490 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
491 /* MSG_CLOSE_CMD_EVT */
492 {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
493 /* MSG_ABORT_CMD_EVT */
494 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
495 /* MSG_RECONFIG_CMD_EVT */
496 {AVDT_SCB_HDL_RECONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
497 /* MSG_SECURITY_CMD_EVT */
498 {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
499 /* MSG_DELAY_RPT_CMD_EVT */
500 {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
501 /* MSG_DELAY_RPT_RSP_EVT */
502 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
503 /* MSG_SETCONFIG_RSP_EVT */
504 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
505 /* MSG_GETCONFIG_RSP_EVT */
506 {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
507 /* MSG_OPEN_RSP_EVT */
508 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
509 /* MSG_START_RSP_EVT */
510 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
511 /* MSG_SUSPEND_RSP_EVT */
512 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
513 /* MSG_CLOSE_RSP_EVT */
514 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
515 /* MSG_ABORT_RSP_EVT */
516 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
517 /* MSG_RECONFIG_RSP_EVT */
518 {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
519 /* MSG_SECURITY_RSP_EVT */
520 {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
521 /* MSG_SETCONFIG_REJ_EVT */
522 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
523 /* MSG_OPEN_REJ_EVT */
524 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
525 /* MSG_START_REJ_EVT */
526 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
527 /* MSG_SUSPEND_REJ_EVT */
528 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
529 /* TC_TOUT_EVT */
530 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
531 #if (AVDT_REPORTING == TRUE)
532 /* TC_OPEN_EVT */
533 {AVDT_SCB_HDL_TC_OPEN_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
534 /* TC_CLOSE_EVT */
535 {AVDT_SCB_HDL_TC_CLOSE_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
536 #else
537 /* TC_OPEN_EVT */
538 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
539 /* TC_CLOSE_EVT */
540 {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
541 #endif
542 /* TC_CONG_EVT */
543 {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
544 /* TC_DATA_EVT */
545 {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
546 /* CC_CLOSE_EVT */
547 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}};
548
549 /* state table for streaming state */
550 const uint8_t avdt_scb_st_stream[][AVDT_SCB_NUM_COLS] = {
551 /* Event */
552 /* Action 1 Action 2 Next state */
553 /* API_REMOVE_EVT */
554 {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
555 /* API_WRITE_REQ_EVT */
556 {AVDT_SCB_HDL_WRITE_REQ, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST},
557 /* API_GETCONFIG_REQ_EVT */
558 {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
559 /* API_DELAY_RPT_REQ_EVT */
560 {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
561 /* API_SETCONFIG_REQ_EVT */
562 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
563 /* API_OPEN_REQ_EVT */
564 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
565 /* API_CLOSE_REQ_EVT */
566 {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
567 /* API_RECONFIG_REQ_EVT */
568 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
569 /* API_SECURITY_REQ_EVT */
570 {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
571 /* API_ABORT_REQ_EVT */
572 {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_CLR_PKT, AVDT_SCB_CLOSING_ST},
573 /* API_GETCONFIG_RSP_EVT */
574 {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
575 /* API_SETCONFIG_RSP_EVT */
576 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
577 /* API_SETCONFIG_REJ_EVT */
578 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
579 /* API_OPEN_RSP_EVT */
580 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
581 /* API_CLOSE_RSP_EVT */
582 {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
583 /* API_RECONFIG_RSP_EVT */
584 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
585 /* API_SECURITY_RSP_EVT */
586 {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
587 /* API_ABORT_RSP_EVT */
588 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
589 /* MSG_SETCONFIG_CMD_EVT */
590 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
591 /* MSG_GETCONFIG_CMD_EVT */
592 {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
593 /* MSG_OPEN_CMD_EVT */
594 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
595 /* MSG_START_CMD_EVT */
596 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
597 /* MSG_SUSPEND_CMD_EVT */
598 {AVDT_SCB_HDL_SUSPEND_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST},
599 /* MSG_CLOSE_CMD_EVT */
600 {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
601 /* MSG_ABORT_CMD_EVT */
602 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_STREAM_ST},
603 /* MSG_RECONFIG_CMD_EVT */
604 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
605 /* MSG_SECURITY_CMD_EVT */
606 {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
607 /* MSG_DELAY_RPT_CMD_EVT */
608 {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
609 /* MSG_DELAY_RPT_RSP_EVT */
610 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
611 /* MSG_SETCONFIG_RSP_EVT */
612 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
613 /* MSG_GETCONFIG_RSP_EVT */
614 {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
615 /* MSG_OPEN_RSP_EVT */
616 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
617 /* MSG_START_RSP_EVT */
618 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
619 /* MSG_SUSPEND_RSP_EVT */
620 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST},
621 /* MSG_CLOSE_RSP_EVT */
622 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
623 /* MSG_ABORT_RSP_EVT */
624 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
625 /* MSG_RECONFIG_RSP_EVT */
626 {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
627 /* MSG_SECURITY_RSP_EVT */
628 {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
629 /* MSG_SETCONFIG_REJ_EVT */
630 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
631 /* MSG_OPEN_REJ_EVT */
632 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
633 /* MSG_START_REJ_EVT */
634 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
635 /* MSG_SUSPEND_REJ_EVT */
636 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
637 /* TC_TOUT_EVT */
638 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
639 /* TC_OPEN_EVT */
640 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
641 /* TC_CLOSE_EVT */
642 {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
643 /* TC_CONG_EVT */
644 {AVDT_SCB_CONG_STATE, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST},
645 /* TC_DATA_EVT */
646 {AVDT_SCB_HDL_PKT, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
647 /* CC_CLOSE_EVT */
648 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}};
649
650 /* state table for closing state */
651 const uint8_t avdt_scb_st_closing[][AVDT_SCB_NUM_COLS] = {
652 /* Event */
653 /* Action 1 Action 2 Next state */
654 /* API_REMOVE_EVT */
655 {AVDT_SCB_SET_REMOVE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
656 /* API_WRITE_REQ_EVT */
657 {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
658 /* API_GETCONFIG_REQ_EVT */
659 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
660 /* API_DELAY_RPT_REQ_EVT */
661 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
662 /* API_SETCONFIG_REQ_EVT */
663 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
664 /* API_OPEN_REQ_EVT */
665 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
666 /* API_CLOSE_REQ_EVT */
667 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
668 /* API_RECONFIG_REQ_EVT */
669 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
670 /* API_SECURITY_REQ_EVT */
671 {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
672 /* API_ABORT_REQ_EVT */
673 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
674 /* API_GETCONFIG_RSP_EVT */
675 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
676 /* API_SETCONFIG_RSP_EVT */
677 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
678 /* API_SETCONFIG_REJ_EVT */
679 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
680 /* API_OPEN_RSP_EVT */
681 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
682 /* API_CLOSE_RSP_EVT */
683 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
684 /* API_RECONFIG_RSP_EVT */
685 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
686 /* API_SECURITY_RSP_EVT */
687 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
688 /* API_ABORT_RSP_EVT */
689 {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
690 /* MSG_SETCONFIG_CMD_EVT */
691 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
692 /* MSG_GETCONFIG_CMD_EVT */
693 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
694 /* MSG_OPEN_CMD_EVT */
695 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
696 /* MSG_START_CMD_EVT */
697 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
698 /* MSG_SUSPEND_CMD_EVT */
699 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
700 /* MSG_CLOSE_CMD_EVT */
701 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
702 /* MSG_ABORT_CMD_EVT */
703 {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
704 /* MSG_RECONFIG_CMD_EVT */
705 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
706 /* MSG_SECURITY_CMD_EVT */
707 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
708 /* MSG_DELAY_RPT_CMD_EVT */
709 {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
710 /* MSG_DELAY_RPT_RSP_EVT */
711 {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
712 /* MSG_SETCONFIG_RSP_EVT */
713 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
714 /* MSG_GETCONFIG_RSP_EVT */
715 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
716 /* MSG_OPEN_RSP_EVT */
717 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
718 /* MSG_START_RSP_EVT */
719 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
720 /* MSG_SUSPEND_RSP_EVT */
721 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
722 /* MSG_CLOSE_RSP_EVT */
723 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_CLOSE_RSP, AVDT_SCB_CLOSING_ST},
724 /* MSG_ABORT_RSP_EVT */
725 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST},
726 /* MSG_RECONFIG_RSP_EVT */
727 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
728 /* MSG_SECURITY_RSP_EVT */
729 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
730 /* MSG_SETCONFIG_REJ_EVT */
731 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
732 /* MSG_OPEN_REJ_EVT */
733 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
734 /* MSG_START_REJ_EVT */
735 {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
736 /* MSG_SUSPEND_REJ_EVT */
737 {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
738 /* TC_TOUT_EVT */
739 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
740 /* TC_OPEN_EVT */
741 {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
742 /* TC_CLOSE_EVT */
743 {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
744 /* TC_CONG_EVT */
745 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
746 /* TC_DATA_EVT */
747 {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
748 /* CC_CLOSE_EVT */
749 {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}};
750
751 /* type for state table */
752 typedef const uint8_t (*tAVDT_SCB_ST_TBL)[AVDT_SCB_NUM_COLS];
753
754 /* state table */
755 const tAVDT_SCB_ST_TBL avdt_scb_st_tbl[] = {
756 avdt_scb_st_idle, avdt_scb_st_conf, avdt_scb_st_opening,
757 avdt_scb_st_open, avdt_scb_st_stream, avdt_scb_st_closing};
758
759 /*******************************************************************************
760 *
761 * Function avdt_scb_event
762 *
763 * Description State machine event handling function for scb
764 *
765 *
766 * Returns Nothing.
767 *
768 ******************************************************************************/
avdt_scb_event(tAVDT_SCB * p_scb,uint8_t event,tAVDT_SCB_EVT * p_data)769 void avdt_scb_event(tAVDT_SCB* p_scb, uint8_t event, tAVDT_SCB_EVT* p_data) {
770 tAVDT_SCB_ST_TBL state_table;
771 uint8_t action;
772 int i;
773
774 #if (AVDT_DEBUG == TRUE)
775 AVDT_TRACE_EVENT("%s: SCB hdl=%d event=%d/%s state=%s", __func__,
776 avdt_scb_to_hdl(p_scb), event, avdt_scb_evt_str[event],
777 avdt_scb_st_str[p_scb->state]);
778 #endif
779 /* set current event */
780 p_scb->curr_evt = event;
781
782 /* look up the state table for the current state */
783 state_table = avdt_scb_st_tbl[p_scb->state];
784
785 /* set next state */
786 if (p_scb->state != state_table[event][AVDT_SCB_NEXT_STATE]) {
787 p_scb->state = state_table[event][AVDT_SCB_NEXT_STATE];
788 }
789
790 /* execute action functions */
791 for (i = 0; i < AVDT_SCB_ACTIONS; i++) {
792 action = state_table[event][i];
793 if (action != AVDT_SCB_IGNORE) {
794 (*avdt_cb.p_scb_act[action])(p_scb, p_data);
795 } else {
796 break;
797 }
798 }
799 }
800
801 /*******************************************************************************
802 *
803 * Function avdt_scb_init
804 *
805 * Description Initialize stream control block module.
806 *
807 *
808 * Returns Nothing.
809 *
810 ******************************************************************************/
avdt_scb_init(void)811 void avdt_scb_init(void) {
812 memset(&avdt_cb.scb[0], 0, sizeof(tAVDT_SCB) * AVDT_NUM_SEPS);
813 avdt_cb.p_scb_act = (tAVDT_SCB_ACTION*)avdt_scb_action;
814 }
815
816 /*******************************************************************************
817 *
818 * Function avdt_scb_alloc
819 *
820 * Description Allocate a stream control block.
821 *
822 *
823 * Returns pointer to the scb, or NULL if none could be allocated.
824 *
825 ******************************************************************************/
avdt_scb_alloc(tAVDT_CS * p_cs)826 tAVDT_SCB* avdt_scb_alloc(tAVDT_CS* p_cs) {
827 tAVDT_SCB* p_scb = &avdt_cb.scb[0];
828 int i;
829
830 /* find available scb */
831 for (i = 0; i < AVDT_NUM_SEPS; i++, p_scb++) {
832 if (!p_scb->allocated) {
833 memset(p_scb, 0, sizeof(tAVDT_SCB));
834 p_scb->allocated = true;
835 p_scb->p_ccb = NULL;
836
837 memcpy(&p_scb->cs, p_cs, sizeof(tAVDT_CS));
838 p_scb->transport_channel_timer =
839 alarm_new("avdt_scb.transport_channel_timer");
840 AVDT_TRACE_DEBUG("%s: hdl=%d, psc_mask:0x%x", __func__, i + 1,
841 p_cs->cfg.psc_mask);
842 break;
843 }
844 }
845
846 if (i == AVDT_NUM_SEPS) {
847 /* out of ccbs */
848 p_scb = NULL;
849 AVDT_TRACE_WARNING("Out of scbs");
850 }
851
852 return p_scb;
853 }
854
855 /*******************************************************************************
856 *
857 * Function avdt_scb_dealloc
858 *
859 * Description Deallocate a stream control block.
860 *
861 *
862 * Returns void.
863 *
864 ******************************************************************************/
avdt_scb_dealloc(tAVDT_SCB * p_scb,UNUSED_ATTR tAVDT_SCB_EVT * p_data)865 void avdt_scb_dealloc(tAVDT_SCB* p_scb, UNUSED_ATTR tAVDT_SCB_EVT* p_data) {
866 AVDT_TRACE_DEBUG("%s: hdl=%d", __func__, avdt_scb_to_hdl(p_scb));
867 alarm_free(p_scb->transport_channel_timer);
868 memset(p_scb, 0, sizeof(tAVDT_SCB));
869 }
870
871 /*******************************************************************************
872 *
873 * Function avdt_scb_to_hdl
874 *
875 * Description Given a pointer to an scb, return its handle (or seid).
876 *
877 *
878 * Returns Index of scb.
879 *
880 ******************************************************************************/
avdt_scb_to_hdl(tAVDT_SCB * p_scb)881 uint8_t avdt_scb_to_hdl(tAVDT_SCB* p_scb) {
882 return (uint8_t)(p_scb - avdt_cb.scb + 1);
883 }
884
885 /*******************************************************************************
886 *
887 * Function avdt_scb_by_hdl
888 *
889 * Description Given an scb handle (or seid), return a pointer to the scb.
890 *
891 *
892 * Returns Pointer to scb or NULL if index is out of range or scb
893 * is not allocated.
894 *
895 ******************************************************************************/
avdt_scb_by_hdl(uint8_t hdl)896 tAVDT_SCB* avdt_scb_by_hdl(uint8_t hdl) {
897 tAVDT_SCB* p_scb;
898
899 /* verify index */
900 if ((hdl > 0) && (hdl <= AVDT_NUM_SEPS)) {
901 p_scb = &avdt_cb.scb[hdl - 1];
902
903 /* verify scb is allocated */
904 if (!p_scb->allocated) {
905 p_scb = NULL;
906 AVDT_TRACE_WARNING("scb hdl %d not allocated", hdl);
907 }
908 } else {
909 p_scb = NULL;
910 AVDT_TRACE_WARNING("scb hdl %d out of range", hdl);
911 }
912 return p_scb;
913 }
914
915 /*******************************************************************************
916 *
917 * Function avdt_scb_verify
918 *
919 * Description Verify the condition of a list of scbs.
920 *
921 *
922 * Returns SEID that failed, or 0 if success.
923 *
924 ******************************************************************************/
avdt_scb_verify(tAVDT_CCB * p_ccb,uint8_t state,uint8_t * p_seid,uint16_t num_seid,uint8_t * p_err_code)925 uint8_t avdt_scb_verify(tAVDT_CCB* p_ccb, uint8_t state, uint8_t* p_seid,
926 uint16_t num_seid, uint8_t* p_err_code) {
927 int i;
928 tAVDT_SCB* p_scb;
929 uint8_t nsc_mask;
930 uint8_t ret = 0;
931
932 AVDT_TRACE_DEBUG("avdt_scb_verify state %d", state);
933 /* set nonsupported command mask */
934 /* translate public state into private state */
935 nsc_mask = 0;
936 if (state == AVDT_VERIFY_SUSPEND) nsc_mask = AVDT_NSC_SUSPEND;
937
938 /* verify every scb */
939 for (i = 0, *p_err_code = 0;
940 (i < num_seid) && (*p_err_code == 0) && (i < AVDT_NUM_SEPS); i++) {
941 p_scb = avdt_scb_by_hdl(p_seid[i]);
942 if (p_scb == NULL)
943 *p_err_code = AVDT_ERR_BAD_STATE;
944 else if (p_scb->p_ccb != p_ccb)
945 *p_err_code = AVDT_ERR_BAD_STATE;
946 else if (p_scb->cs.nsc_mask & nsc_mask)
947 *p_err_code = AVDT_ERR_NSC;
948
949 switch (state) {
950 case AVDT_VERIFY_OPEN:
951 case AVDT_VERIFY_START:
952 if (p_scb->state != AVDT_SCB_OPEN_ST &&
953 p_scb->state != AVDT_SCB_STREAM_ST)
954 *p_err_code = AVDT_ERR_BAD_STATE;
955 break;
956
957 case AVDT_VERIFY_SUSPEND:
958 case AVDT_VERIFY_STREAMING:
959 if (p_scb->state != AVDT_SCB_STREAM_ST)
960 *p_err_code = AVDT_ERR_BAD_STATE;
961 break;
962 }
963 }
964
965 if ((i != num_seid) && (i < AVDT_NUM_SEPS)) {
966 ret = p_seid[i];
967 }
968
969 return ret;
970 }
971
972 /*******************************************************************************
973 *
974 * Function avdt_scb_peer_seid_list
975 *
976 * Description Given a list of SCB handles, return a list of peer SEIDs
977 * for the handles, copied in place into the struct passed in.
978 *
979 *
980 * Returns Nothing.
981 *
982 ******************************************************************************/
avdt_scb_peer_seid_list(tAVDT_MULTI * p_multi)983 void avdt_scb_peer_seid_list(tAVDT_MULTI* p_multi) {
984 int i;
985 tAVDT_SCB* p_scb;
986
987 for (i = 0; i < p_multi->num_seps; i++) {
988 p_scb = avdt_scb_by_hdl(p_multi->seid_list[i]);
989 if (p_scb != NULL) {
990 p_multi->seid_list[i] = p_scb->peer_seid;
991 }
992 }
993 }
994