1 /****************************************************************************** 2 * 3 * Copyright (C) 2010-2014 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 is the main implementation file for the NFA EE. 22 * 23 ******************************************************************************/ 24 #include <string.h> 25 #include "config.h" 26 #include "nfa_dm_int.h" 27 #include "nfa_ee_int.h" 28 #include "nfa_sys.h" 29 #include "nfa_sys_int.h" 30 #include "nfc_api.h" 31 32 extern void nfa_ee_vs_cback(tNFC_VS_EVT event, NFC_HDR* p_data); 33 /***************************************************************************** 34 ** Global Variables 35 *****************************************************************************/ 36 37 /* system manager control block definition */ 38 tNFA_EE_CB nfa_ee_cb; 39 40 /***************************************************************************** 41 ** Constants 42 *****************************************************************************/ 43 static const tNFA_SYS_REG nfa_ee_sys_reg = {nfa_ee_sys_enable, nfa_ee_evt_hdlr, 44 nfa_ee_sys_disable, 45 nfa_ee_proc_nfcc_power_mode}; 46 47 #define NFA_EE_NUM_ACTIONS (NFA_EE_MAX_EVT & 0x00ff) 48 49 const tNFA_EE_SM_ACT nfa_ee_actions[] = { 50 /* NFA-EE action function/ internal events */ 51 nfa_ee_api_discover, /* NFA_EE_API_DISCOVER_EVT */ 52 nfa_ee_api_register, /* NFA_EE_API_REGISTER_EVT */ 53 nfa_ee_api_deregister, /* NFA_EE_API_DEREGISTER_EVT */ 54 nfa_ee_api_mode_set, /* NFA_EE_API_MODE_SET_EVT */ 55 nfa_ee_api_set_tech_cfg, /* NFA_EE_API_SET_TECH_CFG_EVT */ 56 nfa_ee_api_set_proto_cfg, /* NFA_EE_API_SET_PROTO_CFG_EVT */ 57 nfa_ee_api_add_aid, /* NFA_EE_API_ADD_AID_EVT */ 58 nfa_ee_api_remove_aid, /* NFA_EE_API_REMOVE_AID_EVT */ 59 nfa_ee_api_lmrt_size, /* NFA_EE_API_LMRT_SIZE_EVT */ 60 nfa_ee_api_update_now, /* NFA_EE_API_UPDATE_NOW_EVT */ 61 nfa_ee_api_connect, /* NFA_EE_API_CONNECT_EVT */ 62 nfa_ee_api_send_data, /* NFA_EE_API_SEND_DATA_EVT */ 63 nfa_ee_api_disconnect, /* NFA_EE_API_DISCONNECT_EVT */ 64 nfa_ee_nci_disc_rsp, /* NFA_EE_NCI_DISC_RSP_EVT */ 65 nfa_ee_nci_disc_ntf, /* NFA_EE_NCI_DISC_NTF_EVT */ 66 nfa_ee_nci_mode_set_rsp, /* NFA_EE_NCI_MODE_SET_RSP_EVT */ 67 nfa_ee_nci_conn, /* NFA_EE_NCI_CONN_EVT */ 68 nfa_ee_nci_conn, /* NFA_EE_NCI_DATA_EVT */ 69 nfa_ee_nci_action_ntf, /* NFA_EE_NCI_ACTION_NTF_EVT */ 70 nfa_ee_nci_disc_req_ntf, /* NFA_EE_NCI_DISC_REQ_NTF_EVT */ 71 nfa_ee_nci_wait_rsp, /* NFA_EE_NCI_WAIT_RSP_EVT */ 72 nfa_ee_rout_timeout, /* NFA_EE_ROUT_TIMEOUT_EVT */ 73 nfa_ee_discv_timeout, /* NFA_EE_DISCV_TIMEOUT_EVT */ 74 nfa_ee_lmrt_to_nfcc /* NFA_EE_CFG_TO_NFCC_EVT */ 75 }; 76 77 /******************************************************************************* 78 ** 79 ** Function nfa_ee_init 80 ** 81 ** Description Initialize NFA EE control block 82 ** register to NFA SYS 83 ** 84 ** Returns None 85 ** 86 *******************************************************************************/ 87 void nfa_ee_init(void) { 88 int xx; 89 90 NFA_TRACE_DEBUG0("nfa_ee_init ()"); 91 92 /* initialize control block */ 93 memset(&nfa_ee_cb, 0, sizeof(tNFA_EE_CB)); 94 for (xx = 0; xx < NFA_EE_MAX_EE_SUPPORTED; xx++) { 95 nfa_ee_cb.ecb[xx].nfcee_id = NFA_EE_INVALID; 96 nfa_ee_cb.ecb[xx].ee_status = NFC_NFCEE_STATUS_INACTIVE; 97 } 98 99 nfa_ee_cb.ecb[NFA_EE_CB_4_DH].ee_status = NFC_NFCEE_STATUS_ACTIVE; 100 nfa_ee_cb.ecb[NFA_EE_CB_4_DH].nfcee_id = NFC_DH_ID; 101 102 /* register message handler on NFA SYS */ 103 nfa_sys_register(NFA_ID_EE, &nfa_ee_sys_reg); 104 } 105 106 /******************************************************************************* 107 ** 108 ** Function nfa_ee_sys_enable 109 ** 110 ** Description Enable NFA EE 111 ** 112 ** Returns None 113 ** 114 *******************************************************************************/ 115 void nfa_ee_sys_enable(void) { 116 unsigned long retlen = 0; 117 118 NFA_TRACE_DEBUG1("%s", __func__); 119 120 nfa_ee_cb.route_block_control = 0x00; 121 122 if (GetNumValue(NAME_NFA_AID_BLOCK_ROUTE, (void*)&retlen, sizeof(retlen))) { 123 if ((retlen == 0x01) && (NFC_GetNCIVersion() == NCI_VERSION_2_0)) { 124 nfa_ee_cb.route_block_control = NCI_ROUTE_QUAL_BLOCK_ROUTE; 125 NFA_TRACE_DEBUG1("nfa_ee_cb.route_block_control=0x%x", 126 nfa_ee_cb.route_block_control); 127 } 128 } 129 130 if (nfa_ee_max_ee_cfg) { 131 /* collect NFCEE information */ 132 NFC_NfceeDiscover(true); 133 nfa_sys_start_timer(&nfa_ee_cb.discv_timer, NFA_EE_DISCV_TIMEOUT_EVT, 134 NFA_EE_DISCV_TIMEOUT_VAL); 135 } else { 136 nfa_ee_cb.em_state = NFA_EE_EM_STATE_INIT_DONE; 137 nfa_sys_cback_notify_enable_complete(NFA_ID_EE); 138 } 139 } 140 141 /******************************************************************************* 142 ** 143 ** Function nfa_ee_restore_one_ecb 144 ** 145 ** Description activate the NFCEE and restore the routing when 146 ** changing power state from low power mode to full power mode 147 ** 148 ** Returns None 149 ** 150 *******************************************************************************/ 151 void nfa_ee_restore_one_ecb(tNFA_EE_ECB* p_cb) { 152 uint8_t mask; 153 tNFC_NFCEE_MODE_SET_REVT rsp; 154 tNFA_EE_NCI_MODE_SET ee_msg; 155 156 NFA_TRACE_DEBUG4( 157 "nfa_ee_restore_one_ecb () nfcee_id:0x%x, ecb_flags:0x%x ee_status:0x%x " 158 "ee_old_status: 0x%x", 159 p_cb->nfcee_id, p_cb->ecb_flags, p_cb->ee_status, p_cb->ee_old_status); 160 if ((p_cb->nfcee_id != NFA_EE_INVALID) && 161 (p_cb->ee_status & NFA_EE_STATUS_RESTORING) == 0 && 162 (p_cb->ee_old_status & NFA_EE_STATUS_RESTORING) != 0) { 163 p_cb->ee_old_status &= ~NFA_EE_STATUS_RESTORING; 164 mask = nfa_ee_ecb_to_mask(p_cb); 165 if (p_cb->ee_status != p_cb->ee_old_status) { 166 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_RESTORE; 167 if (p_cb->ee_old_status == NFC_NFCEE_STATUS_ACTIVE) { 168 NFC_NfceeModeSet(p_cb->nfcee_id, NFC_MODE_ACTIVATE); 169 170 if (nfa_ee_cb.ee_cfged & mask) { 171 /* if any routing is configured on this NFCEE. need to mark this NFCEE 172 * as changed 173 * to cause the configuration to be sent to NFCC again */ 174 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_ROUTING; 175 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_VS; 176 } 177 } else { 178 NFC_NfceeModeSet(p_cb->nfcee_id, NFC_MODE_DEACTIVATE); 179 } 180 } else if (p_cb->ee_status == NFC_NFCEE_STATUS_ACTIVE) { 181 /* the initial NFCEE status after start up is the same as the current 182 * status and it's active: 183 * process the same as the host gets activate rsp */ 184 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_RESTORE; 185 if (nfa_ee_cb.ee_cfged & mask) { 186 /* if any routing is configured on this NFCEE. need to mark this NFCEE 187 * as changed 188 * to cause the configuration to be sent to NFCC again */ 189 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_ROUTING; 190 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_VS; 191 } 192 rsp.mode = NFA_EE_MD_ACTIVATE; 193 rsp.nfcee_id = p_cb->nfcee_id; 194 rsp.status = NFA_STATUS_OK; 195 ee_msg.p_data = &rsp; 196 nfa_ee_nci_mode_set_rsp((tNFA_EE_MSG*)&ee_msg); 197 } 198 } 199 } 200 201 /******************************************************************************* 202 ** 203 ** Function nfa_ee_proc_nfcc_power_mode 204 ** 205 ** Description Restore NFA EE sub-module 206 ** 207 ** Returns None 208 ** 209 *******************************************************************************/ 210 void nfa_ee_proc_nfcc_power_mode(uint8_t nfcc_power_mode) { 211 uint32_t xx; 212 tNFA_EE_ECB* p_cb; 213 bool proc_complete = true; 214 215 NFA_TRACE_DEBUG1("nfa_ee_proc_nfcc_power_mode (): nfcc_power_mode=%d", 216 nfcc_power_mode); 217 /* if NFCC power state is change to full power */ 218 if (nfcc_power_mode == NFA_DM_PWR_MODE_FULL) { 219 if (nfa_ee_max_ee_cfg) { 220 p_cb = nfa_ee_cb.ecb; 221 for (xx = 0; xx < NFA_EE_MAX_EE_SUPPORTED; xx++, p_cb++) { 222 p_cb->ee_old_status = 0; 223 if (xx >= nfa_ee_cb.cur_ee) p_cb->nfcee_id = NFA_EE_INVALID; 224 225 if ((p_cb->nfcee_id != NFA_EE_INVALID) && 226 (p_cb->ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) && 227 (p_cb->ee_status != NFA_EE_STATUS_REMOVED)) { 228 proc_complete = false; 229 /* NFA_EE_STATUS_RESTORING bit makes sure the ee_status restore to 230 * ee_old_status 231 * NFA_EE_STATUS_RESTORING bit is cleared in ee_status at 232 * NFCEE_DISCOVER NTF. 233 * NFA_EE_STATUS_RESTORING bit is cleared in ee_old_status at 234 * restoring the activate/inactive status after NFCEE_DISCOVER NTF */ 235 p_cb->ee_status |= NFA_EE_STATUS_RESTORING; 236 p_cb->ee_old_status = p_cb->ee_status; 237 /* NFA_EE_FLAGS_RESTORE bit makes sure the routing/nci logical 238 * connection is restore to prior to entering low power mode */ 239 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_RESTORE; 240 } 241 } 242 nfa_ee_cb.em_state = NFA_EE_EM_STATE_RESTORING; 243 nfa_ee_cb.num_ee_expecting = 0; 244 if (nfa_sys_is_register(NFA_ID_HCI)) { 245 nfa_ee_cb.ee_flags |= NFA_EE_FLAG_WAIT_HCI; 246 nfa_ee_cb.ee_flags |= NFA_EE_FLAG_NOTIFY_HCI; 247 } 248 NFC_NfceeDiscover(true); 249 nfa_sys_start_timer(&nfa_ee_cb.discv_timer, NFA_EE_DISCV_TIMEOUT_EVT, 250 NFA_EE_DISCV_TIMEOUT_VAL); 251 } 252 } else { 253 nfa_sys_stop_timer(&nfa_ee_cb.timer); 254 nfa_sys_stop_timer(&nfa_ee_cb.discv_timer); 255 nfa_ee_cb.num_ee_expecting = 0; 256 } 257 258 if (proc_complete) 259 nfa_sys_cback_notify_nfcc_power_mode_proc_complete(NFA_ID_EE); 260 } 261 262 /******************************************************************************* 263 ** 264 ** Function nfa_ee_proc_hci_info_cback 265 ** 266 ** Description HCI initialization complete from power off sleep mode 267 ** 268 ** Returns None 269 ** 270 *******************************************************************************/ 271 void nfa_ee_proc_hci_info_cback(void) { 272 uint32_t xx; 273 tNFA_EE_ECB* p_cb; 274 tNFA_EE_MSG data; 275 276 NFA_TRACE_DEBUG0("nfa_ee_proc_hci_info_cback ()"); 277 /* if NFCC power state is change to full power */ 278 nfa_ee_cb.ee_flags &= ~NFA_EE_FLAG_WAIT_HCI; 279 280 p_cb = nfa_ee_cb.ecb; 281 for (xx = 0; xx < NFA_EE_MAX_EE_SUPPORTED; xx++, p_cb++) { 282 /* NCI spec says: An NFCEE_DISCOVER_NTF that contains a Protocol type of 283 * "HCI Access" 284 * SHALL NOT contain any other additional Protocol 285 * i.e. check only first supported NFCEE interface is HCI access */ 286 /* NFA_HCI module handles restoring configurations for HCI access */ 287 if (p_cb->ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS) { 288 nfa_ee_restore_one_ecb(p_cb); 289 } 290 } 291 292 if (nfa_ee_restore_ntf_done()) { 293 nfa_ee_check_restore_complete(); 294 if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_INIT_DONE) { 295 if (nfa_ee_cb.discv_timer.in_use) { 296 nfa_sys_stop_timer(&nfa_ee_cb.discv_timer); 297 data.hdr.event = NFA_EE_DISCV_TIMEOUT_EVT; 298 nfa_ee_evt_hdlr((NFC_HDR*)&data); 299 } 300 } 301 } 302 } 303 304 /******************************************************************************* 305 ** 306 ** Function nfa_ee_proc_evt 307 ** 308 ** Description Process NFCEE related events from NFC stack 309 ** 310 ** 311 ** Returns None 312 ** 313 *******************************************************************************/ 314 void nfa_ee_proc_evt(tNFC_RESPONSE_EVT event, void* p_data) { 315 tNFA_EE_INT_EVT int_event = 0; 316 tNFA_EE_NCI_WAIT_RSP cbk; 317 NFC_HDR* p_hdr; 318 319 switch (event) { 320 case NFC_NFCEE_DISCOVER_REVT: /* 4 NFCEE Discover response */ 321 int_event = NFA_EE_NCI_DISC_RSP_EVT; 322 break; 323 324 case NFC_NFCEE_INFO_REVT: /* 5 NFCEE Discover Notification */ 325 int_event = NFA_EE_NCI_DISC_NTF_EVT; 326 break; 327 328 case NFC_NFCEE_MODE_SET_REVT: /* 6 NFCEE Mode Set response */ 329 int_event = NFA_EE_NCI_MODE_SET_RSP_EVT; 330 break; 331 332 case NFC_EE_ACTION_REVT: 333 int_event = NFA_EE_NCI_ACTION_NTF_EVT; 334 break; 335 336 case NFC_EE_DISCOVER_REQ_REVT: /* 10 EE Discover Req notification */ 337 int_event = NFA_EE_NCI_DISC_REQ_NTF_EVT; 338 break; 339 340 case NFC_SET_ROUTING_REVT: 341 int_event = NFA_EE_NCI_WAIT_RSP_EVT; 342 cbk.opcode = NCI_MSG_RF_SET_ROUTING; 343 break; 344 } 345 346 NFA_TRACE_DEBUG2("nfa_ee_proc_evt: event=0x%02x int_event:0x%x", event, 347 int_event); 348 if (int_event) { 349 p_hdr = (NFC_HDR*)&cbk; 350 cbk.hdr.event = int_event; 351 cbk.p_data = p_data; 352 353 nfa_ee_evt_hdlr(p_hdr); 354 } 355 } 356 357 /******************************************************************************* 358 ** 359 ** Function nfa_ee_ecb_to_mask 360 ** 361 ** Description Given a ecb, return the bit mask to be used in 362 ** nfa_ee_cb.ee_cfged 363 ** 364 ** Returns the bitmask for the given ecb. 365 ** 366 *******************************************************************************/ 367 uint8_t nfa_ee_ecb_to_mask(tNFA_EE_ECB* p_cb) { 368 uint8_t mask; 369 uint8_t index; 370 371 index = (uint8_t)(p_cb - nfa_ee_cb.ecb); 372 mask = 1 << index; 373 374 return mask; 375 } 376 377 /******************************************************************************* 378 ** 379 ** Function nfa_ee_find_ecb 380 ** 381 ** Description Return the ecb associated with the given nfcee_id 382 ** 383 ** Returns tNFA_EE_ECB 384 ** 385 *******************************************************************************/ 386 tNFA_EE_ECB* nfa_ee_find_ecb(uint8_t nfcee_id) { 387 uint32_t xx; 388 tNFA_EE_ECB *p_ret = NULL, *p_cb; 389 NFA_TRACE_DEBUG0("nfa_ee_find_ecb ()"); 390 391 if (nfcee_id == NFC_DH_ID) { 392 p_ret = &nfa_ee_cb.ecb[NFA_EE_CB_4_DH]; 393 } else { 394 p_cb = nfa_ee_cb.ecb; 395 for (xx = 0; xx < NFA_EE_MAX_EE_SUPPORTED; xx++, p_cb++) { 396 if (nfcee_id == p_cb->nfcee_id) { 397 p_ret = p_cb; 398 break; 399 } 400 } 401 } 402 403 return p_ret; 404 } 405 406 /******************************************************************************* 407 ** 408 ** Function nfa_ee_find_ecb_by_conn_id 409 ** 410 ** Description Return the ecb associated with the given connection id 411 ** 412 ** Returns tNFA_EE_ECB 413 ** 414 *******************************************************************************/ 415 tNFA_EE_ECB* nfa_ee_find_ecb_by_conn_id(uint8_t conn_id) { 416 uint32_t xx; 417 tNFA_EE_ECB *p_ret = NULL, *p_cb; 418 NFA_TRACE_DEBUG0("nfa_ee_find_ecb_by_conn_id ()"); 419 420 p_cb = nfa_ee_cb.ecb; 421 for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++) { 422 if (conn_id == p_cb->conn_id) { 423 p_ret = p_cb; 424 break; 425 } 426 } 427 428 return p_ret; 429 } 430 431 /******************************************************************************* 432 ** 433 ** Function nfa_ee_sys_disable 434 ** 435 ** Description Deregister NFA EE from NFA SYS/DM 436 ** 437 ** 438 ** Returns None 439 ** 440 *******************************************************************************/ 441 void nfa_ee_sys_disable(void) { 442 uint32_t xx; 443 tNFA_EE_ECB* p_cb; 444 tNFA_EE_MSG msg; 445 446 NFA_TRACE_DEBUG0("nfa_ee_sys_disable ()"); 447 448 nfa_ee_cb.em_state = NFA_EE_EM_STATE_DISABLED; 449 /* report NFA_EE_DEREGISTER_EVT to all registered to EE */ 450 for (xx = 0; xx < NFA_EE_MAX_CBACKS; xx++) { 451 if (nfa_ee_cb.p_ee_cback[xx]) { 452 msg.deregister.index = xx; 453 nfa_ee_api_deregister(&msg); 454 } 455 } 456 457 nfa_ee_cb.num_ee_expecting = 0; 458 p_cb = nfa_ee_cb.ecb; 459 for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++) { 460 if (p_cb->conn_st == NFA_EE_CONN_ST_CONN) { 461 if (nfa_sys_is_graceful_disable()) { 462 /* Disconnect NCI connection on graceful shutdown */ 463 msg.disconnect.p_cb = p_cb; 464 nfa_ee_api_disconnect(&msg); 465 nfa_ee_cb.num_ee_expecting++; 466 } else { 467 /* fake NFA_EE_DISCONNECT_EVT on ungraceful shutdown */ 468 msg.conn.conn_id = p_cb->conn_id; 469 msg.conn.event = NFC_CONN_CLOSE_CEVT; 470 nfa_ee_nci_conn(&msg); 471 } 472 } 473 } 474 475 if (nfa_ee_cb.num_ee_expecting) { 476 nfa_ee_cb.ee_flags |= NFA_EE_FLAG_WAIT_DISCONN; 477 nfa_ee_cb.em_state = NFA_EE_EM_STATE_DISABLING; 478 } 479 480 nfa_sys_stop_timer(&nfa_ee_cb.timer); 481 nfa_sys_stop_timer(&nfa_ee_cb.discv_timer); 482 483 /* If Application initiated NFCEE discovery, fake/report the event */ 484 nfa_ee_report_disc_done(false); 485 486 /* deregister message handler on NFA SYS */ 487 if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_DISABLED) 488 nfa_sys_deregister(NFA_ID_EE); 489 } 490 491 /******************************************************************************* 492 ** 493 ** Function nfa_ee_check_disable 494 ** 495 ** Description Check if it is safe to move to disabled state 496 ** 497 ** Returns None 498 ** 499 *******************************************************************************/ 500 void nfa_ee_check_disable(void) { 501 if (!(nfa_ee_cb.ee_flags & NFA_EE_FLAG_WAIT_DISCONN)) { 502 nfa_ee_cb.em_state = NFA_EE_EM_STATE_DISABLED; 503 nfa_sys_deregister(NFA_ID_EE); 504 } 505 } 506 /******************************************************************************* 507 ** 508 ** Function nfa_ee_reg_cback_enable_done 509 ** 510 ** Description Allow a module to register to EE to be notified when NFA-EE 511 ** finishes enable process 512 ** 513 ** Returns None 514 ** 515 *******************************************************************************/ 516 void nfa_ee_reg_cback_enable_done(tNFA_EE_ENABLE_DONE_CBACK* p_cback) { 517 nfa_ee_cb.p_enable_cback = p_cback; 518 } 519 520 #if (BT_TRACE_VERBOSE == TRUE) 521 /******************************************************************************* 522 ** 523 ** Function nfa_ee_sm_st_2_str 524 ** 525 ** Description convert nfa-ee state to string 526 ** 527 *******************************************************************************/ 528 static char* nfa_ee_sm_st_2_str(uint8_t state) { 529 switch (state) { 530 case NFA_EE_EM_STATE_INIT: 531 return "INIT"; 532 533 case NFA_EE_EM_STATE_INIT_DONE: 534 return "INIT_DONE"; 535 536 case NFA_EE_EM_STATE_RESTORING: 537 return "RESTORING"; 538 539 case NFA_EE_EM_STATE_DISABLING: 540 return "DISABLING"; 541 542 case NFA_EE_EM_STATE_DISABLED: 543 return "DISABLED"; 544 545 default: 546 return "Unknown"; 547 } 548 } 549 550 /******************************************************************************* 551 ** 552 ** Function nfa_ee_sm_evt_2_str 553 ** 554 ** Description convert nfa-ee evt to string 555 ** 556 *******************************************************************************/ 557 static char* nfa_ee_sm_evt_2_str(uint16_t event) { 558 switch (event) { 559 case NFA_EE_API_DISCOVER_EVT: 560 return "API_DISCOVER"; 561 case NFA_EE_API_REGISTER_EVT: 562 return "API_REGISTER"; 563 case NFA_EE_API_DEREGISTER_EVT: 564 return "API_DEREGISTER"; 565 case NFA_EE_API_MODE_SET_EVT: 566 return "API_MODE_SET"; 567 case NFA_EE_API_SET_TECH_CFG_EVT: 568 return "API_SET_TECH_CFG"; 569 case NFA_EE_API_SET_PROTO_CFG_EVT: 570 return "API_SET_PROTO_CFG"; 571 case NFA_EE_API_ADD_AID_EVT: 572 return "API_ADD_AID"; 573 case NFA_EE_API_REMOVE_AID_EVT: 574 return "API_REMOVE_AID"; 575 case NFA_EE_API_LMRT_SIZE_EVT: 576 return "API_LMRT_SIZE"; 577 case NFA_EE_API_UPDATE_NOW_EVT: 578 return "API_UPDATE_NOW"; 579 case NFA_EE_API_CONNECT_EVT: 580 return "API_CONNECT"; 581 case NFA_EE_API_SEND_DATA_EVT: 582 return "API_SEND_DATA"; 583 case NFA_EE_API_DISCONNECT_EVT: 584 return "API_DISCONNECT"; 585 case NFA_EE_NCI_DISC_RSP_EVT: 586 return "NCI_DISC_RSP"; 587 case NFA_EE_NCI_DISC_NTF_EVT: 588 return "NCI_DISC_NTF"; 589 case NFA_EE_NCI_MODE_SET_RSP_EVT: 590 return "NCI_MODE_SET"; 591 case NFA_EE_NCI_CONN_EVT: 592 return "NCI_CONN"; 593 case NFA_EE_NCI_DATA_EVT: 594 return "NCI_DATA"; 595 case NFA_EE_NCI_ACTION_NTF_EVT: 596 return "NCI_ACTION"; 597 case NFA_EE_NCI_DISC_REQ_NTF_EVT: 598 return "NCI_DISC_REQ"; 599 case NFA_EE_NCI_WAIT_RSP_EVT: 600 return "NCI_WAIT_RSP"; 601 case NFA_EE_ROUT_TIMEOUT_EVT: 602 return "ROUT_TIMEOUT"; 603 case NFA_EE_DISCV_TIMEOUT_EVT: 604 return "NFA_EE_DISCV_TIMEOUT_EVT"; 605 case NFA_EE_CFG_TO_NFCC_EVT: 606 return "CFG_TO_NFCC"; 607 default: 608 return "Unknown"; 609 } 610 } 611 #endif /* BT_TRACE_VERBOSE */ 612 613 /******************************************************************************* 614 ** 615 ** Function nfa_ee_evt_hdlr 616 ** 617 ** Description Processing event for NFA EE 618 ** 619 ** 620 ** Returns TRUE if p_msg needs to be deallocated 621 ** 622 *******************************************************************************/ 623 bool nfa_ee_evt_hdlr(NFC_HDR* p_msg) { 624 tNFA_EE_MSG* p_evt_data = (tNFA_EE_MSG*)p_msg; 625 uint16_t event = p_msg->event & 0x00ff; 626 bool act = false; 627 628 #if (BT_TRACE_VERBOSE == TRUE) 629 NFA_TRACE_DEBUG4("nfa_ee_evt_hdlr (): Event %s(0x%02x), State: %s(%d)", 630 nfa_ee_sm_evt_2_str(p_evt_data->hdr.event), 631 p_evt_data->hdr.event, 632 nfa_ee_sm_st_2_str(nfa_ee_cb.em_state), nfa_ee_cb.em_state); 633 #else 634 NFA_TRACE_DEBUG2("nfa_ee_evt_hdlr (): Event 0x%02x, State: %d", 635 p_evt_data->hdr.event, nfa_ee_cb.em_state); 636 #endif 637 638 switch (nfa_ee_cb.em_state) { 639 case NFA_EE_EM_STATE_INIT_DONE: 640 case NFA_EE_EM_STATE_RESTORING: 641 act = true; 642 break; 643 case NFA_EE_EM_STATE_INIT: 644 if ((p_msg->event == NFA_EE_NCI_DISC_NTF_EVT) || 645 (p_msg->event == NFA_EE_NCI_DISC_RSP_EVT)) 646 act = true; 647 break; 648 case NFA_EE_EM_STATE_DISABLING: 649 if (p_msg->event == NFA_EE_NCI_CONN_EVT) act = true; 650 break; 651 } 652 if (act) { 653 if (event < NFA_EE_NUM_ACTIONS) { 654 (*nfa_ee_actions[event])(p_evt_data); 655 } 656 } else { 657 /* if the data event is not handled by action function, free the data packet 658 */ 659 if (p_msg->event == NFA_EE_NCI_DATA_EVT) 660 GKI_freebuf(p_evt_data->conn.p_data); 661 } 662 663 return true; 664 } 665
