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 "bt_types.h" 28 #include "bt_target.h" 29 #include "bt_utils.h" 30 #include "avdt_api.h" 31 #include "avdtc_api.h" 32 #include "avdt_int.h" 33 #include "bt_common.h" 34 #include "btu.h" 35 36 /***************************************************************************** 37 ** state machine constants and types 38 *****************************************************************************/ 39 #if AVDT_DEBUG == TRUE 40 41 /* verbose state strings for trace */ 42 const char * const avdt_scb_st_str[] = { 43 "SCB_IDLE_ST", 44 "SCB_CONF_ST", 45 "SCB_OPENING_ST", 46 "SCB_OPEN_ST", 47 "SCB_STREAM_ST", 48 "SCB_CLOSING_ST" 49 }; 50 51 /* verbose event strings for trace */ 52 const char * const avdt_scb_evt_str[] = { 53 "API_REMOVE_EVT", 54 "API_WRITE_REQ_EVT", 55 "API_GETCONFIG_REQ_EVT", 56 "API_DELAY_RPT_REQ", 57 "API_SETCONFIG_REQ_EVT", 58 "API_OPEN_REQ_EVT", 59 "API_CLOSE_REQ_EVT", 60 "API_RECONFIG_REQ_EVT", 61 "API_SECURITY_REQ_EVT", 62 "API_ABORT_REQ_EVT", 63 "API_GETCONFIG_RSP_EVT", 64 "API_SETCONFIG_RSP_EVT", 65 "API_SETCONFIG_REJ_EVT", 66 "API_OPEN_RSP_EVT", 67 "API_CLOSE_RSP_EVT", 68 "API_RECONFIG_RSP_EVT", 69 "API_SECURITY_RSP_EVT", 70 "API_ABORT_RSP_EVT", 71 "MSG_SETCONFIG_CMD_EVT", 72 "MSG_GETCONFIG_CMD_EVT", 73 "MSG_OPEN_CMD_EVT", 74 "MSG_START_CMD_EVT", 75 "MSG_SUSPEND_CMD_EVT", 76 "MSG_CLOSE_CMD_EVT", 77 "MSG_ABORT_CMD_EVT", 78 "MSG_RECONFIG_CMD_EVT", 79 "MSG_SECURITY_CMD_EVT", 80 "MSG_DELAY_RPT_CMD_EVT", 81 "MSG_DELAY_RPT_RSP_EVT", 82 "MSG_SETCONFIG_RSP_EVT", 83 "MSG_GETCONFIG_RSP_EVT", 84 "MSG_OPEN_RSP_EVT", 85 "MSG_START_RSP_EVT", 86 "MSG_SUSPEND_RSP_EVT", 87 "MSG_CLOSE_RSP_EVT", 88 "MSG_ABORT_RSP_EVT", 89 "MSG_RECONFIG_RSP_EVT", 90 "MSG_SECURITY_RSP_EVT", 91 "MSG_SETCONFIG_REJ_EVT", 92 "MSG_OPEN_REJ_EVT", 93 "MSG_START_REJ_EVT", 94 "MSG_SUSPEND_REJ_EVT", 95 "TC_TOUT_EVT", 96 "TC_OPEN_EVT", 97 "TC_CLOSE_EVT", 98 "TC_CONG_EVT", 99 "TC_DATA_EVT", 100 "CC_CLOSE_EVT" 101 }; 102 103 #endif 104 105 106 /* action function list */ 107 const tAVDT_SCB_ACTION avdt_scb_action[] = { 108 avdt_scb_hdl_abort_cmd, 109 avdt_scb_hdl_abort_rsp, 110 avdt_scb_hdl_close_cmd, 111 avdt_scb_hdl_close_rsp, 112 avdt_scb_hdl_getconfig_cmd, 113 avdt_scb_hdl_getconfig_rsp, 114 avdt_scb_hdl_open_cmd, 115 avdt_scb_hdl_open_rej, 116 avdt_scb_hdl_open_rsp, 117 avdt_scb_hdl_pkt, 118 avdt_scb_drop_pkt, 119 avdt_scb_hdl_reconfig_cmd, 120 avdt_scb_hdl_reconfig_rsp, 121 avdt_scb_hdl_security_cmd, 122 avdt_scb_hdl_security_rsp, 123 avdt_scb_hdl_setconfig_cmd, 124 avdt_scb_hdl_setconfig_rej, 125 avdt_scb_hdl_setconfig_rsp, 126 avdt_scb_hdl_start_cmd, 127 avdt_scb_hdl_start_rsp, 128 avdt_scb_hdl_suspend_cmd, 129 avdt_scb_hdl_suspend_rsp, 130 avdt_scb_hdl_tc_close, 131 #if AVDT_REPORTING == TRUE 132 avdt_scb_hdl_tc_close_sto, 133 #endif 134 avdt_scb_hdl_tc_open, 135 #if AVDT_REPORTING == TRUE 136 avdt_scb_hdl_tc_open_sto, 137 #endif 138 avdt_scb_snd_delay_rpt_req, 139 avdt_scb_hdl_delay_rpt_cmd, 140 avdt_scb_hdl_delay_rpt_rsp, 141 avdt_scb_hdl_write_req, 142 avdt_scb_snd_abort_req, 143 avdt_scb_snd_abort_rsp, 144 avdt_scb_snd_close_req, 145 avdt_scb_snd_stream_close, 146 avdt_scb_snd_close_rsp, 147 avdt_scb_snd_getconfig_req, 148 avdt_scb_snd_getconfig_rsp, 149 avdt_scb_snd_open_req, 150 avdt_scb_snd_open_rsp, 151 avdt_scb_snd_reconfig_req, 152 avdt_scb_snd_reconfig_rsp, 153 avdt_scb_snd_security_req, 154 avdt_scb_snd_security_rsp, 155 avdt_scb_snd_setconfig_req, 156 avdt_scb_snd_setconfig_rej, 157 avdt_scb_snd_setconfig_rsp, 158 avdt_scb_snd_tc_close, 159 avdt_scb_cb_err, 160 avdt_scb_cong_state, 161 avdt_scb_rej_state, 162 avdt_scb_rej_in_use, 163 avdt_scb_rej_not_in_use, 164 avdt_scb_set_remove, 165 avdt_scb_free_pkt, 166 avdt_scb_clr_pkt, 167 avdt_scb_chk_snd_pkt, 168 avdt_scb_transport_channel_timer, 169 avdt_scb_clr_vars, 170 avdt_scb_dealloc 171 }; 172 173 /* state table information */ 174 #define AVDT_SCB_ACTIONS 2 /* number of actions */ 175 #define AVDT_SCB_NEXT_STATE 2 /* position of next state */ 176 #define AVDT_SCB_NUM_COLS 3 /* number of columns in state tables */ 177 178 /* state table for idle state */ 179 const UINT8 avdt_scb_st_idle[][AVDT_SCB_NUM_COLS] = { 180 /* Event Action 1 Action 2 Next state */ 181 /* API_REMOVE_EVT */ {AVDT_SCB_DEALLOC, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 182 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 183 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 184 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 185 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_SND_SETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 186 /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 187 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 188 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 189 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 190 /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 191 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 192 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_SND_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 193 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_SND_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 194 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 195 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 196 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 197 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 198 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 199 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_SETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 200 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 201 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 202 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 203 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 204 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 205 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 206 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_NOT_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 207 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 208 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 209 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 210 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_SETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 211 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 212 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 213 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 214 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 215 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 216 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 217 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 218 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 219 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_HDL_SETCONFIG_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 220 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 221 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 222 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 223 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 224 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 225 /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 226 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 227 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 228 /* CC_CLOSE_EVT */ {AVDT_SCB_CLR_VARS, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST} 229 }; 230 231 /* state table for configured state */ 232 const UINT8 avdt_scb_st_conf[][AVDT_SCB_NUM_COLS] = { 233 /* Event Action 1 Action 2 Next state */ 234 /* API_REMOVE_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CONF_ST}, 235 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 236 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 237 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 238 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 239 /* API_OPEN_REQ_EVT */ {AVDT_SCB_SND_OPEN_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 240 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 241 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 242 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 243 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 244 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 245 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 246 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 247 /* API_OPEN_RSP_EVT */ {AVDT_SCB_SND_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 248 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 249 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 250 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 251 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST}, 252 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_IN_USE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 253 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 254 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_HDL_OPEN_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 255 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 256 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 257 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 258 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 259 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 260 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 261 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 262 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 263 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 264 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 265 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_HDL_OPEN_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 266 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 267 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 268 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 269 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IDLE_ST}, 270 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 271 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 272 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 273 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_HDL_OPEN_REJ, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 274 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 275 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 276 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 277 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 278 /* TC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 279 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 280 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CONF_ST}, 281 /* CC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST} 282 }; 283 284 /* state table for opening state */ 285 const UINT8 avdt_scb_st_opening[][AVDT_SCB_NUM_COLS] = { 286 /* Event Action 1 Action 2 Next state */ 287 /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, 288 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 289 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 290 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 291 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 292 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 293 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 294 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 295 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 296 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 297 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 298 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 299 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 300 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 301 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST}, 302 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 303 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 304 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_CLOSING_ST}, 305 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 306 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 307 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 308 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 309 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 310 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 311 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 312 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 313 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 314 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 315 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 316 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 317 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 318 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 319 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 320 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 321 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 322 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST}, 323 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 324 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 325 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 326 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 327 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 328 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 329 /* TC_TOUT_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 330 /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 331 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 332 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 333 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPENING_ST}, 334 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} 335 }; 336 337 /* state table for open state */ 338 const UINT8 avdt_scb_st_open[][AVDT_SCB_NUM_COLS] = { 339 /* Event Action 1 Action 2 Next state */ 340 /* API_REMOVE_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, 341 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 342 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 343 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 344 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 345 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 346 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_CLOSE_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 347 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_SND_RECONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 348 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 349 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 350 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 351 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 352 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 353 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 354 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, 355 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_SND_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 356 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 357 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, 358 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 359 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 360 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 361 /* MSG_START_CMD_EVT */ {AVDT_SCB_HDL_START_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 362 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 363 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 364 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 365 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_HDL_RECONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 366 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 367 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 368 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 369 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 370 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 371 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 372 /* MSG_START_RSP_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 373 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 374 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 375 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 376 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 377 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 378 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 379 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 380 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 381 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 382 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 383 #if AVDT_REPORTING == TRUE 384 /* TC_OPEN_EVT */ {AVDT_SCB_HDL_TC_OPEN_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 385 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE_STO, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 386 #else 387 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 388 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 389 #endif 390 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 391 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_OPEN_ST}, 392 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} 393 }; 394 395 /* state table for streaming state */ 396 const UINT8 avdt_scb_st_stream[][AVDT_SCB_NUM_COLS] = { 397 /* Event Action 1 Action 2 Next state */ 398 /* API_REMOVE_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_SET_REMOVE, AVDT_SCB_CLOSING_ST}, 399 /* API_WRITE_REQ_EVT */ {AVDT_SCB_HDL_WRITE_REQ, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST}, 400 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_SND_GETCONFIG_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 401 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_SND_DELAY_RPT_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 402 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 403 /* API_OPEN_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 404 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_SND_STREAM_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 405 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 406 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_SND_SECURITY_REQ, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 407 /* API_ABORT_REQ_EVT */ {AVDT_SCB_SND_ABORT_REQ, AVDT_SCB_CLR_PKT, AVDT_SCB_CLOSING_ST}, 408 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_SND_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 409 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 410 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 411 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 412 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_SND_CLOSE_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, 413 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 414 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_SND_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 415 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_TC_TIMER, AVDT_SCB_CLOSING_ST}, 416 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 417 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_HDL_GETCONFIG_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 418 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 419 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 420 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_HDL_SUSPEND_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST}, 421 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_HDL_CLOSE_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 422 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_CLR_PKT, AVDT_SCB_STREAM_ST}, 423 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 424 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_HDL_SECURITY_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 425 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_HDL_DELAY_RPT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 426 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 427 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 428 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_HDL_GETCONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 429 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 430 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 431 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_CLR_PKT, AVDT_SCB_OPEN_ST}, 432 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 433 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 434 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_HDL_RECONFIG_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 435 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_HDL_SECURITY_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 436 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 437 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 438 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 439 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 440 /* TC_TOUT_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 441 /* TC_OPEN_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 442 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 443 /* TC_CONG_EVT */ {AVDT_SCB_CONG_STATE, AVDT_SCB_CHK_SND_PKT, AVDT_SCB_STREAM_ST}, 444 /* TC_DATA_EVT */ {AVDT_SCB_HDL_PKT, AVDT_SCB_IGNORE, AVDT_SCB_STREAM_ST}, 445 /* CC_CLOSE_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} 446 }; 447 448 /* state table for closing state */ 449 const UINT8 avdt_scb_st_closing[][AVDT_SCB_NUM_COLS] = { 450 /* Event Action 1 Action 2 Next state */ 451 /* API_REMOVE_EVT */ {AVDT_SCB_SET_REMOVE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 452 /* API_WRITE_REQ_EVT */ {AVDT_SCB_FREE_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 453 /* API_GETCONFIG_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 454 /* API_DELAY_RPT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 455 /* API_SETCONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 456 /* API_OPEN_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 457 /* API_CLOSE_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 458 /* API_RECONFIG_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 459 /* API_SECURITY_REQ_EVT */ {AVDT_SCB_CB_ERR, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 460 /* API_ABORT_REQ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 461 /* API_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 462 /* API_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 463 /* API_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 464 /* API_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 465 /* API_CLOSE_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 466 /* API_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 467 /* API_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 468 /* API_ABORT_RSP_EVT */ {AVDT_SCB_SND_ABORT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 469 /* MSG_SETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 470 /* MSG_GETCONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 471 /* MSG_OPEN_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 472 /* MSG_START_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 473 /* MSG_SUSPEND_CMD_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 474 /* MSG_CLOSE_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 475 /* MSG_ABORT_CMD_EVT */ {AVDT_SCB_HDL_ABORT_CMD, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 476 /* MSG_RECONFIG_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 477 /* MSG_SECURITY_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 478 /* MSG_DELAY_RPT_CMD_EVT */ {AVDT_SCB_REJ_STATE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 479 /* MSG_DELAY_RPT_RSP_EVT */ {AVDT_SCB_HDL_DELAY_RPT_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 480 /* MSG_SETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 481 /* MSG_GETCONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 482 /* MSG_OPEN_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 483 /* MSG_START_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 484 /* MSG_SUSPEND_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 485 /* MSG_CLOSE_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_CLOSE_RSP, AVDT_SCB_CLOSING_ST}, 486 /* MSG_ABORT_RSP_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_HDL_ABORT_RSP, AVDT_SCB_CLOSING_ST}, 487 /* MSG_RECONFIG_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 488 /* MSG_SECURITY_RSP_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 489 /* MSG_SETCONFIG_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 490 /* MSG_OPEN_REJ_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 491 /* MSG_START_REJ_EVT */ {AVDT_SCB_HDL_START_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 492 /* MSG_SUSPEND_REJ_EVT */ {AVDT_SCB_HDL_SUSPEND_RSP, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 493 /* TC_TOUT_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 494 /* TC_OPEN_EVT */ {AVDT_SCB_SND_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 495 /* TC_CLOSE_EVT */ {AVDT_SCB_HDL_TC_CLOSE, AVDT_SCB_IGNORE, AVDT_SCB_IDLE_ST}, 496 /* TC_CONG_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 497 /* TC_DATA_EVT */ {AVDT_SCB_DROP_PKT, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST}, 498 /* CC_CLOSE_EVT */ {AVDT_SCB_IGNORE, AVDT_SCB_IGNORE, AVDT_SCB_CLOSING_ST} 499 }; 500 501 /* type for state table */ 502 typedef const UINT8 (*tAVDT_SCB_ST_TBL)[AVDT_SCB_NUM_COLS]; 503 504 /* state table */ 505 const tAVDT_SCB_ST_TBL avdt_scb_st_tbl[] = { 506 avdt_scb_st_idle, 507 avdt_scb_st_conf, 508 avdt_scb_st_opening, 509 avdt_scb_st_open, 510 avdt_scb_st_stream, 511 avdt_scb_st_closing 512 }; 513 514 515 /******************************************************************************* 516 ** 517 ** Function avdt_scb_event 518 ** 519 ** Description State machine event handling function for scb 520 ** 521 ** 522 ** Returns Nothing. 523 ** 524 *******************************************************************************/ 525 void avdt_scb_event(tAVDT_SCB *p_scb, UINT8 event, tAVDT_SCB_EVT *p_data) 526 { 527 tAVDT_SCB_ST_TBL state_table; 528 UINT8 action; 529 int i; 530 531 #if AVDT_DEBUG == TRUE 532 AVDT_TRACE_EVENT("SCB hdl=%d event=%d/%s state=%s", avdt_scb_to_hdl(p_scb), event, avdt_scb_evt_str[event], avdt_scb_st_str[p_scb->state]); 533 #endif 534 /* set current event */ 535 p_scb->curr_evt = event; 536 537 /* look up the state table for the current state */ 538 state_table = avdt_scb_st_tbl[p_scb->state]; 539 540 /* set next state */ 541 if (p_scb->state != state_table[event][AVDT_SCB_NEXT_STATE]) { 542 p_scb->state = state_table[event][AVDT_SCB_NEXT_STATE]; 543 } 544 545 /* execute action functions */ 546 for (i = 0; i < AVDT_SCB_ACTIONS; i++) 547 { 548 if ((action = state_table[event][i]) != AVDT_SCB_IGNORE) 549 { 550 (*avdt_cb.p_scb_act[action])(p_scb, p_data); 551 } 552 else 553 { 554 break; 555 } 556 } 557 } 558 559 560 /******************************************************************************* 561 ** 562 ** Function avdt_scb_init 563 ** 564 ** Description Initialize stream control block module. 565 ** 566 ** 567 ** Returns Nothing. 568 ** 569 *******************************************************************************/ 570 void avdt_scb_init(void) 571 { 572 memset(&avdt_cb.scb[0], 0, sizeof(tAVDT_SCB) * AVDT_NUM_SEPS); 573 avdt_cb.p_scb_act = (tAVDT_SCB_ACTION *) avdt_scb_action; 574 } 575 576 577 /******************************************************************************* 578 ** 579 ** Function avdt_scb_alloc 580 ** 581 ** Description Allocate a stream control block. 582 ** 583 ** 584 ** Returns pointer to the scb, or NULL if none could be allocated. 585 ** 586 *******************************************************************************/ 587 tAVDT_SCB *avdt_scb_alloc(tAVDT_CS *p_cs) 588 { 589 tAVDT_SCB *p_scb = &avdt_cb.scb[0]; 590 int i; 591 592 /* find available scb */ 593 for (i = 0; i < AVDT_NUM_SEPS; i++, p_scb++) 594 { 595 if (!p_scb->allocated) 596 { 597 memset(p_scb,0,sizeof(tAVDT_SCB)); 598 p_scb->allocated = TRUE; 599 p_scb->p_ccb = NULL; 600 601 memcpy(&p_scb->cs, p_cs, sizeof(tAVDT_CS)); 602 #if AVDT_MULTIPLEXING == TRUE 603 /* initialize fragments gueue */ 604 p_scb->frag_q = fixed_queue_new(SIZE_MAX); 605 606 if(p_cs->cfg.psc_mask & AVDT_PSC_MUX) 607 { 608 p_scb->cs.cfg.mux_tcid_media = avdt_ad_type_to_tcid(AVDT_CHAN_MEDIA, p_scb); 609 #if AVDT_REPORTING == TRUE 610 if(p_cs->cfg.psc_mask & AVDT_PSC_REPORT) 611 { 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->transport_channel_timer = 618 alarm_new("avdt_scb.transport_channel_timer"); 619 AVDT_TRACE_DEBUG("avdt_scb_alloc hdl=%d, psc_mask:0x%x", i+1, p_cs->cfg.psc_mask); 620 break; 621 } 622 } 623 624 if (i == AVDT_NUM_SEPS) 625 { 626 /* out of ccbs */ 627 p_scb = NULL; 628 AVDT_TRACE_WARNING("Out of scbs"); 629 } 630 631 return p_scb; 632 } 633 634 /******************************************************************************* 635 ** 636 ** Function avdt_scb_dealloc 637 ** 638 ** Description Deallocate a stream control block. 639 ** 640 ** 641 ** Returns void. 642 ** 643 *******************************************************************************/ 644 void avdt_scb_dealloc(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data) 645 { 646 UNUSED(p_data); 647 648 AVDT_TRACE_DEBUG("avdt_scb_dealloc hdl=%d", avdt_scb_to_hdl(p_scb)); 649 alarm_free(p_scb->transport_channel_timer); 650 651 #if AVDT_MULTIPLEXING == TRUE 652 /* free fragments we're holding, if any; it shouldn't happen */ 653 fixed_queue_free(p_scb->frag_q, osi_free); 654 #endif 655 656 memset(p_scb, 0, sizeof(tAVDT_SCB)); 657 } 658 659 /******************************************************************************* 660 ** 661 ** Function avdt_scb_to_hdl 662 ** 663 ** Description Given a pointer to an scb, return its handle (or seid). 664 ** 665 ** 666 ** Returns Index of scb. 667 ** 668 *******************************************************************************/ 669 UINT8 avdt_scb_to_hdl(tAVDT_SCB *p_scb) 670 { 671 return (UINT8) (p_scb - avdt_cb.scb + 1); 672 } 673 674 /******************************************************************************* 675 ** 676 ** Function avdt_scb_by_hdl 677 ** 678 ** Description Given an scb handle (or seid), return a pointer to the scb. 679 ** 680 ** 681 ** Returns Pointer to scb or NULL if index is out of range or scb 682 ** is not allocated. 683 ** 684 *******************************************************************************/ 685 tAVDT_SCB *avdt_scb_by_hdl(UINT8 hdl) 686 { 687 tAVDT_SCB *p_scb; 688 689 /* verify index */ 690 if ((hdl > 0) && (hdl <= AVDT_NUM_SEPS)) 691 { 692 p_scb = &avdt_cb.scb[hdl - 1]; 693 694 /* verify scb is allocated */ 695 if (!p_scb->allocated) 696 { 697 p_scb = NULL; 698 AVDT_TRACE_WARNING("scb hdl %d not allocated", hdl); 699 } 700 } 701 else 702 { 703 p_scb = NULL; 704 AVDT_TRACE_WARNING("scb hdl %d out of range", hdl); 705 } 706 return p_scb; 707 } 708 709 /******************************************************************************* 710 ** 711 ** Function avdt_scb_verify 712 ** 713 ** Description Verify the condition of a list of scbs. 714 ** 715 ** 716 ** Returns SEID that failed, or 0 if success. 717 ** 718 *******************************************************************************/ 719 UINT8 avdt_scb_verify(tAVDT_CCB *p_ccb, UINT8 state, UINT8 *p_seid, UINT16 num_seid, UINT8 *p_err_code) 720 { 721 int i; 722 tAVDT_SCB *p_scb; 723 UINT8 nsc_mask; 724 UINT8 ret = 0; 725 726 AVDT_TRACE_DEBUG("avdt_scb_verify state %d", state); 727 /* set nonsupported command mask */ 728 /* translate public state into private state */ 729 nsc_mask = 0; 730 if (state == AVDT_VERIFY_SUSPEND) 731 nsc_mask = AVDT_NSC_SUSPEND; 732 733 /* verify every scb */ 734 for (i = 0, *p_err_code = 0; (i < num_seid) && (*p_err_code == 0) && (i < AVDT_NUM_SEPS); i++) 735 { 736 if ((p_scb = avdt_scb_by_hdl(p_seid[i])) == NULL) 737 *p_err_code = AVDT_ERR_BAD_STATE; 738 else if (p_scb->p_ccb != p_ccb) 739 *p_err_code = AVDT_ERR_BAD_STATE; 740 else if (p_scb->cs.nsc_mask & nsc_mask) 741 *p_err_code = AVDT_ERR_NSC; 742 743 switch (state) { 744 case AVDT_VERIFY_OPEN: 745 case AVDT_VERIFY_START: 746 if (p_scb->state != AVDT_SCB_OPEN_ST && p_scb->state != AVDT_SCB_STREAM_ST) 747 *p_err_code = AVDT_ERR_BAD_STATE; 748 break; 749 750 case AVDT_VERIFY_SUSPEND: 751 case AVDT_VERIFY_STREAMING: 752 if (p_scb->state != AVDT_SCB_STREAM_ST) 753 *p_err_code = AVDT_ERR_BAD_STATE; 754 break; 755 } 756 } 757 758 if ((i != num_seid) && (i < AVDT_NUM_SEPS)) 759 { 760 ret = p_seid[i]; 761 } 762 763 return ret; 764 } 765 766 /******************************************************************************* 767 ** 768 ** Function avdt_scb_peer_seid_list 769 ** 770 ** Description Given a list of SCB handles, return a list of peer SEIDs 771 ** for the handles, copied in place into the struct passed in. 772 ** 773 ** 774 ** Returns Nothing. 775 ** 776 *******************************************************************************/ 777 void avdt_scb_peer_seid_list(tAVDT_MULTI *p_multi) 778 { 779 int i; 780 tAVDT_SCB *p_scb; 781 782 for (i = 0; i < p_multi->num_seps; i++) 783 { 784 if ((p_scb = avdt_scb_by_hdl(p_multi->seid_list[i])) != NULL) 785 { 786 p_multi->seid_list[i] = p_scb->peer_seid; 787 } 788 } 789 } 790 791
