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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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 ******************************************************************************/ 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
