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 "stack/bt_types.h"
28 #include "common/bt_target.h"
29 #include "common/bt_defs.h"
30 #include "stack/avdt_api.h"
31 #include "stack/avdtc_api.h"
32 #include "avdt_int.h"
33 #include "stack/btu.h"
34 #include "osi/allocator.h"
35 #include "osi/fixed_queue.h"
36
37 #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE)
38
39 /*****************************************************************************
40 ** state machine constants and types
41 *****************************************************************************/
42 #if AVDT_DEBUG == TRUE
43
44 /* verbose state strings for trace */
45 const char *const avdt_scb_st_str[] = {
46 "SCB_IDLE_ST",
47 "SCB_CONF_ST",
48 "SCB_OPENING_ST",
49 "SCB_OPEN_ST",
50 "SCB_STREAM_ST",
51 "SCB_CLOSING_ST"
52 };
53
54 /* verbose event strings for trace */
55 const char *const avdt_scb_evt_str[] = {
56 "API_REMOVE_EVT",
57 "API_WRITE_REQ_EVT",
58 "API_GETCONFIG_REQ_EVT",
59 "API_DELAY_RPT_REQ",
60 "API_SETCONFIG_REQ_EVT",
61 "API_OPEN_REQ_EVT",
62 "API_CLOSE_REQ_EVT",
63 "API_RECONFIG_REQ_EVT",
64 "API_SECURITY_REQ_EVT",
65 "API_ABORT_REQ_EVT",
66 "API_GETCONFIG_RSP_EVT",
67 "API_SETCONFIG_RSP_EVT",
68 "API_SETCONFIG_REJ_EVT",
69 "API_OPEN_RSP_EVT",
70 "API_CLOSE_RSP_EVT",
71 "API_RECONFIG_RSP_EVT",
72 "API_SECURITY_RSP_EVT",
73 "API_ABORT_RSP_EVT",
74 "MSG_SETCONFIG_CMD_EVT",
75 "MSG_GETCONFIG_CMD_EVT",
76 "MSG_OPEN_CMD_EVT",
77 "MSG_START_CMD_EVT",
78 "MSG_SUSPEND_CMD_EVT",
79 "MSG_CLOSE_CMD_EVT",
80 "MSG_ABORT_CMD_EVT",
81 "MSG_RECONFIG_CMD_EVT",
82 "MSG_SECURITY_CMD_EVT",
83 "MSG_DELAY_RPT_CMD_EVT",
84 "MSG_DELAY_RPT_RSP_EVT",
85 "MSG_SETCONFIG_RSP_EVT",
86 "MSG_GETCONFIG_RSP_EVT",
87 "MSG_OPEN_RSP_EVT",
88 "MSG_START_RSP_EVT",
89 "MSG_SUSPEND_RSP_EVT",
90 "MSG_CLOSE_RSP_EVT",
91 "MSG_ABORT_RSP_EVT",
92 "MSG_RECONFIG_RSP_EVT",
93 "MSG_SECURITY_RSP_EVT",
94 "MSG_SETCONFIG_REJ_EVT",
95 "MSG_OPEN_REJ_EVT",
96 "MSG_START_REJ_EVT",
97 "MSG_SUSPEND_REJ_EVT",
98 "TC_TOUT_EVT",
99 "TC_OPEN_EVT",
100 "TC_CLOSE_EVT",
101 "TC_CONG_EVT",
102 "TC_DATA_EVT",
103 "CC_CLOSE_EVT"
104 };
105
106 #endif
107
108
109 /* action function list */
110 const tAVDT_SCB_ACTION avdt_scb_action[] = {
111 avdt_scb_hdl_abort_cmd,
112 avdt_scb_hdl_abort_rsp,
113 avdt_scb_hdl_close_cmd,
114 avdt_scb_hdl_close_rsp,
115 avdt_scb_hdl_getconfig_cmd,
116 avdt_scb_hdl_getconfig_rsp,
117 avdt_scb_hdl_open_cmd,
118 avdt_scb_hdl_open_rej,
119 avdt_scb_hdl_open_rsp,
120 avdt_scb_hdl_pkt,
121 avdt_scb_drop_pkt,
122 avdt_scb_hdl_reconfig_cmd,
123 avdt_scb_hdl_reconfig_rsp,
124 avdt_scb_hdl_security_cmd,
125 avdt_scb_hdl_security_rsp,
126 avdt_scb_hdl_setconfig_cmd,
127 avdt_scb_hdl_setconfig_rej,
128 avdt_scb_hdl_setconfig_rsp,
129 avdt_scb_hdl_start_cmd,
130 avdt_scb_hdl_start_rsp,
131 avdt_scb_hdl_suspend_cmd,
132 avdt_scb_hdl_suspend_rsp,
133 avdt_scb_hdl_tc_close,
134 #if AVDT_REPORTING == TRUE
135 avdt_scb_hdl_tc_close_sto,
136 #endif
137 avdt_scb_hdl_tc_open,
138 #if AVDT_REPORTING == TRUE
139 avdt_scb_hdl_tc_open_sto,
140 #endif
141 avdt_scb_snd_delay_rpt_req,
142 avdt_scb_hdl_delay_rpt_cmd,
143 avdt_scb_hdl_delay_rpt_rsp,
144 avdt_scb_hdl_write_req,
145 avdt_scb_snd_abort_req,
146 avdt_scb_snd_abort_rsp,
147 avdt_scb_snd_close_req,
148 avdt_scb_snd_stream_close,
149 avdt_scb_snd_close_rsp,
150 avdt_scb_snd_getconfig_req,
151 avdt_scb_snd_getconfig_rsp,
152 avdt_scb_snd_open_req,
153 avdt_scb_snd_open_rsp,
154 avdt_scb_snd_reconfig_req,
155 avdt_scb_snd_reconfig_rsp,
156 avdt_scb_snd_security_req,
157 avdt_scb_snd_security_rsp,
158 avdt_scb_snd_setconfig_req,
159 avdt_scb_snd_setconfig_rej,
160 avdt_scb_snd_setconfig_rsp,
161 avdt_scb_snd_tc_close,
162 avdt_scb_cb_err,
163 avdt_scb_cong_state,
164 avdt_scb_rej_state,
165 avdt_scb_rej_in_use,
166 avdt_scb_rej_not_in_use,
167 avdt_scb_set_remove,
168 avdt_scb_free_pkt,
169 avdt_scb_clr_pkt,
170 avdt_scb_chk_snd_pkt,
171 avdt_scb_tc_timer,
172 avdt_scb_clr_vars,
173 avdt_scb_dealloc
174 };
175
176 /* state table information */
177 #define AVDT_SCB_ACTIONS 2 /* number of actions */
178 #define AVDT_SCB_NEXT_STATE 2 /* position of next state */
179 #define AVDT_SCB_NUM_COLS 3 /* number of columns in state tables */
180
181 /* state table for idle state */
182 const UINT8 avdt_scb_st_idle[][AVDT_SCB_NUM_COLS] = {
183 /* Event Action 1 Action 2 Next state */
184 /* API_REMOVE_EVT */ {AVDT_SCB_DEALLOC, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
185 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
186 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
187 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
188 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_SND_SETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
189 /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
190 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
191 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
192 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
193 /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
194 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
195 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_SND_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
196 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_SND_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
197 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
198 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
199 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
200 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
201 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
202 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_SETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
203 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
204 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
205 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
206 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
207 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
208 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
209 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_NOT_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
210 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
211 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
212 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
213 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
214 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
215 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
216 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
217 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
218 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
219 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
220 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
221 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
222 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_HDL_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
223 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
224 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
225 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
226 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
227 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
228 /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
229 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
230 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
231 /* CC_CLOSE_EVT */ {AVDT_SCB_CLR_VARS, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}
232 };
233
234 /* state table for configured state */
235 const UINT8 avdt_scb_st_conf[][AVDT_SCB_NUM_COLS] = {
236 /* Event Action 1 Action 2 Next state */
237 /* API_REMOVE_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CONF_ST},
238 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
239 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
240 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
241 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
242 /* API_OPEN_REQ_EVT */ {AVDT_SCB_SND_OPEN_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
243 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
244 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
245 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
246 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
247 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
248 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
249 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
250 /* API_OPEN_RSP_EVT */ {AVDT_SCB_SND_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
251 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
252 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
253 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
254 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST},
255 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
256 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
257 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_HDL_OPEN_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
258 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
259 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
260 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
261 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
262 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
263 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
264 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
265 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
266 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
267 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
268 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_HDL_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
269 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
270 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
271 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
272 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST},
273 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
274 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
275 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
276 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_HDL_OPEN_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
277 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
278 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
279 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
280 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
281 /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
282 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
283 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST},
284 /* CC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}
285 };
286
287 /* state table for opening state */
288 const UINT8 avdt_scb_st_opening[][AVDT_SCB_NUM_COLS] = {
289 /* Event Action 1 Action 2 Next state */
290 /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
291 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
292 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
293 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
294 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
295 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
296 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
297 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
298 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
299 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
300 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
301 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
302 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
303 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
304 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST},
305 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
306 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
307 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST},
308 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
309 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
310 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
311 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
312 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
313 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
314 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
315 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
316 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
317 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
318 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
319 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
320 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
321 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
322 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
323 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
324 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
325 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST},
326 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
327 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
328 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
329 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
330 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
331 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
332 /* TC_TOUT_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
333 /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
334 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
335 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
336 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST},
337 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}
338 };
339
340 /* state table for open state */
341 const UINT8 avdt_scb_st_open[][AVDT_SCB_NUM_COLS] = {
342 /* Event Action 1 Action 2 Next state */
343 /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
344 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
345 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
346 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
347 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
348 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
349 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
350 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_SND_RECONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
351 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
352 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
353 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
354 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
355 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
356 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
357 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
358 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_SND_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
359 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
360 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
361 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
362 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
363 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
364 /* MSG_START_CMD_EVT */ {AVDT_SCB_HDL_START_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
365 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
366 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
367 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
368 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_HDL_RECONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
369 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
370 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
371 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
372 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
373 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
374 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
375 /* MSG_START_RSP_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
376 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
377 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
378 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
379 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
380 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
381 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
382 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
383 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
384 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
385 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
386 #if AVDT_REPORTING == TRUE
387 /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
388 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
389 #else
390 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
391 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
392 #endif
393 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
394 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST},
395 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}
396 };
397
398 /* state table for streaming state */
399 const UINT8 avdt_scb_st_stream[][AVDT_SCB_NUM_COLS] = {
400 /* Event Action 1 Action 2 Next state */
401 /* API_REMOVE_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST},
402 /* API_WRITE_REQ_EVT */ {AVDT_SCB_HDL_WRITE_REQ, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST},
403 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
404 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
405 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
406 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
407 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
408 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
409 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
410 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_CLR_PKT, AVDT_SCB_CLOSING_ST},
411 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
412 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
413 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
414 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
415 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
416 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
417 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
418 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST},
419 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
420 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
421 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
422 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
423 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_HDL_SUSPEND_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST},
424 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
425 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_STREAM_ST},
426 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
427 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
428 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
429 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
430 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
431 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
432 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
433 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
434 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST},
435 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
436 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
437 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
438 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
439 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
440 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
441 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
442 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
443 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
444 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
445 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
446 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST},
447 /* TC_DATA_EVT */ {AVDT_SCB_HDL_PKT, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST},
448 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}
449 };
450
451 /* state table for closing state */
452 const UINT8 avdt_scb_st_closing[][AVDT_SCB_NUM_COLS] = {
453 /* Event Action 1 Action 2 Next state */
454 /* API_REMOVE_EVT */ {AVDT_SCB_SET_REMOVE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
455 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
456 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
457 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
458 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
459 /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
460 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
461 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
462 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
463 /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
464 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
465 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
466 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
467 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
468 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
469 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
470 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
471 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
472 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
473 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
474 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
475 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
476 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
477 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
478 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
479 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
480 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
481 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
482 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
483 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
484 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
485 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
486 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
487 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
488 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_CLOSE_RSP, AVDT_SCB_CLOSING_ST},
489 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST},
490 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
491 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
492 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
493 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
494 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
495 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
496 /* TC_TOUT_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
497 /* TC_OPEN_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
498 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST},
499 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
500 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST},
501 /* CC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}
502 };
503
504 /* type for state table */
505 typedef const UINT8 (*tAVDT_SCB_ST_TBL)[AVDT_SCB_NUM_COLS];
506
507 /* state table */
508 const tAVDT_SCB_ST_TBL avdt_scb_st_tbl[] = {
509 avdt_scb_st_idle,
510 avdt_scb_st_conf,
511 avdt_scb_st_opening,
512 avdt_scb_st_open,
513 avdt_scb_st_stream,
514 avdt_scb_st_closing
515 };
516
517
518 /*******************************************************************************
519 **
520 ** Function avdt_scb_event
521 **
522 ** Description State machine event handling function for scb
523 **
524 **
525 ** Returns Nothing.
526 **
527 *******************************************************************************/
avdt_scb_event(tAVDT_SCB * p_scb,UINT8 event,tAVDT_SCB_EVT * p_data)528 void avdt_scb_event(tAVDT_SCB *p_scb, UINT8 event, tAVDT_SCB_EVT *p_data)
529 {
530 tAVDT_SCB_ST_TBL state_table;
531 UINT8 action;
532 int i;
533
534 #if AVDT_DEBUG == TRUE
535 AVDT_TRACE_EVENT("SCB hdl=%d event=%d/%s state=%s\n", avdt_scb_to_hdl(p_scb), event, avdt_scb_evt_str[event], avdt_scb_st_str[p_scb->state]);
536 #endif
537 /* set current event */
538 p_scb->curr_evt = event;
539
540 /* look up the state table for the current state */
541 state_table = avdt_scb_st_tbl[p_scb->state];
542
543 /* set next state */
544 if (p_scb->state != state_table[event][AVDT_SCB_NEXT_STATE]) {
545 p_scb->state = state_table[event][AVDT_SCB_NEXT_STATE];
546 }
547
548 /* execute action functions */
549 for (i = 0; i < AVDT_SCB_ACTIONS; i++) {
550 if ((action = state_table[event][i]) != AVDT_SCB_IGNORE) {
551 (*avdt_cb.p_scb_act[action])(p_scb, p_data);
552 } else {
553 break;
554 }
555 }
556 }
557
558
559 /*******************************************************************************
560 **
561 ** Function avdt_scb_init
562 **
563 ** Description Initialize stream control block module.
564 **
565 **
566 ** Returns Nothing.
567 **
568 *******************************************************************************/
avdt_scb_init(void)569 void avdt_scb_init(void)
570 {
571 memset(&avdt_cb.scb[0], 0, sizeof(tAVDT_SCB) * AVDT_NUM_SEPS);
572 avdt_cb.p_scb_act = (tAVDT_SCB_ACTION *) avdt_scb_action;
573 }
574
575
576 /*******************************************************************************
577 **
578 ** Function avdt_scb_alloc
579 **
580 ** Description Allocate a stream control block.
581 **
582 **
583 ** Returns pointer to the scb, or NULL if none could be allocated.
584 **
585 *******************************************************************************/
avdt_scb_alloc(tAVDT_CS * p_cs)586 tAVDT_SCB *avdt_scb_alloc(tAVDT_CS *p_cs)
587 {
588 tAVDT_SCB *p_scb = &avdt_cb.scb[0];
589 int i;
590
591 /* find available scb */
592 for (i = 0; i < AVDT_NUM_SEPS; i++, p_scb++) {
593 if (!p_scb->allocated) {
594 memset(p_scb, 0, sizeof(tAVDT_SCB));
595 p_scb->allocated = TRUE;
596 p_scb->p_ccb = NULL;
597
598 /* initialize sink as activated */
599 if (p_cs->tsep == AVDT_TSEP_SNK) {
600 p_scb->sink_activated = TRUE;
601 }
602
603 memcpy(&p_scb->cs, p_cs, sizeof(tAVDT_CS));
604 #if AVDT_MULTIPLEXING == TRUE
605 /* initialize fragments gueue */
606 p_scb->frag_q = fixed_queue_new(QUEUE_SIZE_MAX);
607
608 if (p_cs->cfg.psc_mask & AVDT_PSC_MUX) {
609 p_scb->cs.cfg.mux_tcid_media = avdt_ad_type_to_tcid(AVDT_CHAN_MEDIA, p_scb);
610 #if AVDT_REPORTING == TRUE
611 if (p_cs->cfg.psc_mask & AVDT_PSC_REPORT) {
612 p_scb->cs.cfg.mux_tcid_report = avdt_ad_type_to_tcid(AVDT_CHAN_REPORT, p_scb);
613 }
614 #endif
615 }
616 #endif
617 p_scb->timer_entry.param = (UINT32) p_scb;
618 AVDT_TRACE_DEBUG("avdt_scb_alloc hdl=%d, psc_mask:0x%x\n", i + 1, p_cs->cfg.psc_mask);
619 break;
620 }
621 }
622
623 if (i == AVDT_NUM_SEPS) {
624 /* out of ccbs */
625 p_scb = NULL;
626 AVDT_TRACE_WARNING("Out of scbs");
627 }
628
629 return p_scb;
630 }
631
632 /*******************************************************************************
633 **
634 ** Function avdt_scb_dealloc
635 **
636 ** Description Deallocate a stream control block.
637 **
638 **
639 ** Returns void.
640 **
641 *******************************************************************************/
avdt_scb_dealloc(tAVDT_SCB * p_scb,tAVDT_SCB_EVT * p_data)642 void avdt_scb_dealloc(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data)
643 {
644 UNUSED(p_data);
645
646 AVDT_TRACE_DEBUG("avdt_scb_dealloc hdl=%d\n", avdt_scb_to_hdl(p_scb));
647 btu_free_timer(&p_scb->timer_entry);
648
649 #if AVDT_MULTIPLEXING == TRUE
650 /* free fragments we're holding, if any; it shouldn't happen */
651 fixed_queue_free(p_scb->frag_q, osi_free_func);
652 #endif
653
654 memset(p_scb, 0, sizeof(tAVDT_SCB));
655 }
656
657 /*******************************************************************************
658 **
659 ** Function avdt_scb_to_hdl
660 **
661 ** Description Given a pointer to an scb, return its handle (or seid).
662 **
663 **
664 ** Returns Index of scb.
665 **
666 *******************************************************************************/
avdt_scb_to_hdl(tAVDT_SCB * p_scb)667 UINT8 avdt_scb_to_hdl(tAVDT_SCB *p_scb)
668 {
669 return (UINT8) (p_scb - avdt_cb.scb + 1);
670 }
671
672 /*******************************************************************************
673 **
674 ** Function avdt_scb_by_hdl
675 **
676 ** Description Given an scb handle (or seid), return a pointer to the scb.
677 **
678 **
679 ** Returns Pointer to scb or NULL if index is out of range or scb
680 ** is not allocated.
681 **
682 *******************************************************************************/
avdt_scb_by_hdl(UINT8 hdl)683 tAVDT_SCB *avdt_scb_by_hdl(UINT8 hdl)
684 {
685 tAVDT_SCB *p_scb;
686
687 /* verify index */
688 if ((hdl > 0) && (hdl <= AVDT_NUM_SEPS)) {
689 p_scb = &avdt_cb.scb[hdl - 1];
690
691 /* verify scb is allocated */
692 if (!p_scb->allocated) {
693 p_scb = NULL;
694 AVDT_TRACE_WARNING("scb hdl %d not allocated\n", hdl);
695 }
696 } else {
697 p_scb = NULL;
698 AVDT_TRACE_WARNING("scb hdl %d out of range\n", hdl);
699 }
700 return p_scb;
701 }
702
703 /*******************************************************************************
704 **
705 ** Function avdt_scb_verify
706 **
707 ** Description Verify the condition of a list of scbs.
708 **
709 **
710 ** Returns SEID that failed, or 0 if success.
711 **
712 *******************************************************************************/
avdt_scb_verify(tAVDT_CCB * p_ccb,UINT8 state,UINT8 * p_seid,UINT16 num_seid,UINT8 * p_err_code)713 UINT8 avdt_scb_verify(tAVDT_CCB *p_ccb, UINT8 state, UINT8 *p_seid, UINT16 num_seid, UINT8 *p_err_code)
714 {
715 int i;
716 tAVDT_SCB *p_scb;
717 UINT8 nsc_mask;
718 UINT8 ret = 0;
719
720 AVDT_TRACE_DEBUG("avdt_scb_verify state %d\n", state);
721 /* set nonsupported command mask */
722 /* translate public state into private state */
723 nsc_mask = 0;
724 if (state == AVDT_VERIFY_SUSPEND) {
725 nsc_mask = AVDT_NSC_SUSPEND;
726 }
727
728 /* verify every scb */
729 for (i = 0, *p_err_code = 0; (i < num_seid) && (*p_err_code == 0) && (i < AVDT_NUM_SEPS); i++) {
730 if ((p_scb = avdt_scb_by_hdl(p_seid[i])) == NULL) {
731 *p_err_code = AVDT_ERR_BAD_STATE;
732 } else if (p_scb->p_ccb != p_ccb) {
733 *p_err_code = AVDT_ERR_BAD_STATE;
734 } else if (p_scb->cs.nsc_mask & nsc_mask) {
735 *p_err_code = AVDT_ERR_NSC;
736 }
737
738 switch (state) {
739 case AVDT_VERIFY_OPEN:
740 case AVDT_VERIFY_START:
741 if (p_scb->state != AVDT_SCB_OPEN_ST && p_scb->state != AVDT_SCB_STREAM_ST) {
742 *p_err_code = AVDT_ERR_BAD_STATE;
743 }
744 break;
745
746 case AVDT_VERIFY_SUSPEND:
747 case AVDT_VERIFY_STREAMING:
748 if (p_scb->state != AVDT_SCB_STREAM_ST) {
749 *p_err_code = AVDT_ERR_BAD_STATE;
750 }
751 break;
752 }
753 }
754
755 if ((i != num_seid) && (i < AVDT_NUM_SEPS)) {
756 ret = p_seid[i];
757 }
758
759 return ret;
760 }
761
762 /*******************************************************************************
763 **
764 ** Function avdt_scb_peer_seid_list
765 **
766 ** Description Given a list of SCB handles, return a list of peer SEIDs
767 ** for the handles, copied in place into the struct passed in.
768 **
769 **
770 ** Returns Nothing.
771 **
772 *******************************************************************************/
avdt_scb_peer_seid_list(tAVDT_MULTI * p_multi)773 void avdt_scb_peer_seid_list(tAVDT_MULTI *p_multi)
774 {
775 int i;
776 tAVDT_SCB *p_scb;
777
778 for (i = 0; i < p_multi->num_seps; i++) {
779 if ((p_scb = avdt_scb_by_hdl(p_multi->seid_list[i])) != NULL) {
780 p_multi->seid_list[i] = p_scb->peer_seid;
781 }
782 }
783 }
784
785 #endif /* #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) */
786
