nfa_dm_main.c revision 4c888f85f62bb59ce8a3d268a61a98536e0dd36e
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 * 22 * This is the main implementation file for the NFA device manager. 23 * 24 ******************************************************************************/ 25 26#include <string.h> 27#include "nfa_api.h" 28#include "nfa_sys.h" 29#include "nfa_dm_int.h" 30#include "nfa_sys_int.h" 31 32 33/***************************************************************************** 34** Constants and types 35*****************************************************************************/ 36static const tNFA_SYS_REG nfa_dm_sys_reg = 37{ 38 nfa_dm_sys_enable, 39 nfa_dm_evt_hdlr, 40 nfa_dm_sys_disable, 41 nfa_dm_proc_nfcc_power_mode 42}; 43 44 45tNFA_DM_CB nfa_dm_cb = {FALSE}; 46 47 48#define NFA_DM_NUM_ACTIONS (NFA_DM_MAX_EVT & 0x00ff) 49 50/* type for action functions */ 51typedef BOOLEAN (*tNFA_DM_ACTION) (tNFA_DM_MSG *p_data); 52 53/* action function list */ 54const tNFA_DM_ACTION nfa_dm_action[] = 55{ 56 /* device manager local device API events */ 57 nfa_dm_enable, /* NFA_DM_API_ENABLE_EVT */ 58 nfa_dm_disable, /* NFA_DM_API_DISABLE_EVT */ 59 nfa_dm_set_config, /* NFA_DM_API_SET_CONFIG_EVT */ 60 nfa_dm_get_config, /* NFA_DM_API_GET_CONFIG_EVT */ 61 nfa_dm_act_request_excl_rf_ctrl, /* NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT */ 62 nfa_dm_act_release_excl_rf_ctrl, /* NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT */ 63 nfa_dm_act_enable_polling, /* NFA_DM_API_ENABLE_POLLING_EVT */ 64 nfa_dm_act_disable_polling, /* NFA_DM_API_DISABLE_POLLING_EVT */ 65 nfa_dm_act_enable_listening, /* NFA_DM_API_ENABLE_LISTENING_EVT */ 66 nfa_dm_act_disable_listening, /* NFA_DM_API_DISABLE_LISTENING_EVT */ 67 nfa_dm_act_pause_p2p, /* NFA_DM_API_PAUSE_P2P_EVT */ 68 nfa_dm_act_resume_p2p, /* NFA_DM_API_RESUME_P2P_EVT */ 69 nfa_dm_act_send_raw_frame, /* NFA_DM_API_RAW_FRAME_EVT */ 70 nfa_dm_set_p2p_listen_tech, /* NFA_DM_API_SET_P2P_LISTEN_TECH_EVT */ 71 nfa_dm_act_start_rf_discovery, /* NFA_DM_API_START_RF_DISCOVERY_EVT */ 72 nfa_dm_act_stop_rf_discovery, /* NFA_DM_API_STOP_RF_DISCOVERY_EVT */ 73 nfa_dm_act_set_rf_disc_duration, /* NFA_DM_API_SET_RF_DISC_DURATION_EVT */ 74 nfa_dm_act_select, /* NFA_DM_API_SELECT_EVT */ 75 nfa_dm_act_update_rf_params, /* NFA_DM_API_UPDATE_RF_PARAMS_EVT */ 76 nfa_dm_act_deactivate, /* NFA_DM_API_DEACTIVATE_EVT */ 77 nfa_dm_act_power_off_sleep, /* NFA_DM_API_POWER_OFF_SLEEP_EVT */ 78 nfa_dm_ndef_reg_hdlr, /* NFA_DM_API_REG_NDEF_HDLR_EVT */ 79 nfa_dm_ndef_dereg_hdlr, /* NFA_DM_API_DEREG_NDEF_HDLR_EVT */ 80 nfa_dm_act_reg_vsc, /* NFA_DM_API_REG_VSC_EVT */ 81 nfa_dm_act_send_vsc, /* NFA_DM_API_SEND_VSC_EVT */ 82 nfa_dm_act_disable_timeout /* NFA_DM_TIMEOUT_DISABLE_EVT */ 83}; 84 85/***************************************************************************** 86** Local function prototypes 87*****************************************************************************/ 88#if (BT_TRACE_VERBOSE == TRUE) 89static char *nfa_dm_evt_2_str (UINT16 event); 90#endif 91/******************************************************************************* 92** 93** Function nfa_dm_init 94** 95** Description Initialises the NFC device manager 96** 97** Returns void 98** 99*******************************************************************************/ 100void nfa_dm_init (void) 101{ 102 NFA_TRACE_DEBUG0 ("nfa_dm_init ()"); 103 memset (&nfa_dm_cb, 0, sizeof (tNFA_DM_CB)); 104 nfa_dm_cb.poll_disc_handle = NFA_HANDLE_INVALID; 105 nfa_dm_cb.disc_cb.disc_duration = NFA_DM_DISC_DURATION_POLL; 106 nfa_dm_cb.nfcc_pwr_mode = NFA_DM_PWR_MODE_FULL; 107 108 /* register message handler on NFA SYS */ 109 nfa_sys_register (NFA_ID_DM, &nfa_dm_sys_reg); 110} 111 112/******************************************************************************* 113** 114** Function nfa_dm_evt_hdlr 115** 116** Description Event handling function for DM 117** 118** 119** Returns void 120** 121*******************************************************************************/ 122BOOLEAN nfa_dm_evt_hdlr (BT_HDR *p_msg) 123{ 124 BOOLEAN freebuf = TRUE; 125 UINT16 event = p_msg->event & 0x00ff; 126 127#if (BT_TRACE_VERBOSE == TRUE) 128 NFA_TRACE_EVENT2 ("nfa_dm_evt_hdlr event: %s (0x%02x)", nfa_dm_evt_2_str (event), event); 129#else 130 NFA_TRACE_EVENT1 ("nfa_dm_evt_hdlr event: 0x%x", event); 131#endif 132 133 /* execute action functions */ 134 if (event < NFA_DM_NUM_ACTIONS) 135 { 136 freebuf = (*nfa_dm_action[event]) ((tNFA_DM_MSG*) p_msg); 137 } 138 return freebuf; 139} 140 141/******************************************************************************* 142** 143** Function nfa_dm_sys_disable 144** 145** Description This function is called after all subsystems have been disabled. 146** 147** Returns void 148** 149*******************************************************************************/ 150void nfa_dm_sys_disable (void) 151{ 152 /* Disable the DM sub-system */ 153 /* If discovery state is not IDLE or DEACTIVATED and graceful disable, */ 154 /* then we need to deactivate link or stop discovery */ 155 156 if (nfa_sys_is_graceful_disable ()) 157 { 158 if ( (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_IDLE) 159 &&((nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_DISABLING) == 0) ) 160 { 161 /* discovery is not started */ 162 nfa_dm_disable_complete (); 163 } 164 else 165 { 166 /* probably waiting to be disabled */ 167 NFA_TRACE_WARNING2 ("DM disc_state state = %d disc_flags:0x%x", nfa_dm_cb.disc_cb.disc_state, nfa_dm_cb.disc_cb.disc_flags); 168 } 169 170 } 171 else 172 { 173 nfa_dm_disable_complete (); 174 } 175} 176 177/******************************************************************************* 178** 179** Function nfa_dm_is_protocol_supported 180** 181** Description Check if protocol is supported by RW module 182** 183** Returns TRUE if protocol is supported by NFA 184** 185*******************************************************************************/ 186BOOLEAN nfa_dm_is_protocol_supported (tNFC_PROTOCOL protocol, UINT8 sel_res) 187{ 188 return ( (protocol == NFC_PROTOCOL_T1T) 189 ||((protocol == NFC_PROTOCOL_T2T) && (sel_res == NFC_SEL_RES_NFC_FORUM_T2T)) 190 ||(protocol == NFC_PROTOCOL_T3T) 191 ||(protocol == NFC_PROTOCOL_ISO_DEP) 192 ||(protocol == NFC_PROTOCOL_NFC_DEP) 193 ||(protocol == NFC_PROTOCOL_15693) ); 194} 195/******************************************************************************* 196** 197** Function nfa_dm_is_active 198** 199** Description check if all modules of NFA is done with enable process and 200** NFA is not restoring NFCC. 201** 202** Returns TRUE, if NFA_DM_ENABLE_EVT is reported and it is not restoring NFCC 203** 204*******************************************************************************/ 205BOOLEAN nfa_dm_is_active (void) 206{ 207 NFA_TRACE_DEBUG1 ("nfa_dm_is_active () flags:0x%x", nfa_dm_cb.flags); 208 if ( (nfa_dm_cb.flags & NFA_DM_FLAGS_DM_IS_ACTIVE) 209 &&((nfa_dm_cb.flags & (NFA_DM_FLAGS_ENABLE_EVT_PEND | NFA_DM_FLAGS_NFCC_IS_RESTORING | NFA_DM_FLAGS_POWER_OFF_SLEEP)) == 0) ) 210 { 211 return TRUE; 212 } 213 else 214 return FALSE; 215} 216/******************************************************************************* 217** 218** Function nfa_dm_check_set_config 219** 220** Description Update config parameters only if it's different from NFCC 221** 222** 223** Returns tNFA_STATUS 224** 225*******************************************************************************/ 226tNFA_STATUS nfa_dm_check_set_config (UINT8 tlv_list_len, UINT8 *p_tlv_list, BOOLEAN app_init) 227{ 228 UINT8 type, len, *p_value, *p_stored, max_len; 229 UINT8 xx = 0, updated_len = 0, *p_cur_len; 230 BOOLEAN update; 231 tNFC_STATUS nfc_status; 232 UINT32 cur_bit; 233 234 NFA_TRACE_DEBUG0 ("nfa_dm_check_set_config ()"); 235 236 /* We only allow 32 pending SET_CONFIGs */ 237 if (nfa_dm_cb.setcfg_pending_num >= NFA_DM_SETCONFIG_PENDING_MAX) 238 { 239 NFA_TRACE_ERROR0 ("nfa_dm_check_set_config () error: pending number of SET_CONFIG exceeded"); 240 return NFA_STATUS_FAILED; 241 } 242 243 while (tlv_list_len - xx >= 2) /* at least type and len */ 244 { 245 update = FALSE; 246 type = *(p_tlv_list + xx); 247 len = *(p_tlv_list + xx + 1); 248 p_value = p_tlv_list + xx + 2; 249 p_cur_len = NULL; 250 251 switch (type) 252 { 253 /* 254 ** Poll F Configuration 255 */ 256 case NFC_PMID_PF_RC: 257 p_stored = nfa_dm_cb.params.pf_rc; 258 max_len = NCI_PARAM_LEN_PF_RC; 259 break; 260 case NFC_PMID_TOTAL_DURATION: 261 p_stored = nfa_dm_cb.params.total_duration; 262 max_len = NCI_PARAM_LEN_TOTAL_DURATION; 263 break; 264 265 /* 266 ** Listen A Configuration 267 */ 268 case NFC_PMID_LA_BIT_FRAME_SDD: 269 p_stored = nfa_dm_cb.params.la_bit_frame_sdd; 270 max_len = NCI_PARAM_LEN_LA_BIT_FRAME_SDD; 271 p_cur_len = &nfa_dm_cb.params.la_bit_frame_sdd_len; 272 break; 273 case NFC_PMID_LA_PLATFORM_CONFIG: 274 p_stored = nfa_dm_cb.params.la_platform_config; 275 max_len = NCI_PARAM_LEN_LA_PLATFORM_CONFIG; 276 p_cur_len = &nfa_dm_cb.params.la_platform_config_len; 277 break; 278 case NFC_PMID_LA_SEL_INFO: 279 p_stored = nfa_dm_cb.params.la_sel_info; 280 max_len = NCI_PARAM_LEN_LA_SEL_INFO; 281 p_cur_len = &nfa_dm_cb.params.la_sel_info_len; 282 break; 283 case NFC_PMID_LA_NFCID1: 284 p_stored = nfa_dm_cb.params.la_nfcid1; 285 max_len = NCI_NFCID1_MAX_LEN; 286 p_cur_len = &nfa_dm_cb.params.la_nfcid1_len; 287 break; 288 case NFC_PMID_LA_HIST_BY: 289 p_stored = nfa_dm_cb.params.la_hist_by; 290 max_len = NCI_MAX_HIS_BYTES_LEN; 291 p_cur_len = &nfa_dm_cb.params.la_hist_by_len; 292 break; 293 294 /* 295 ** Listen B Configuration 296 */ 297 case NFC_PMID_LB_SENSB_INFO: 298 p_stored = nfa_dm_cb.params.lb_sensb_info; 299 max_len = NCI_PARAM_LEN_LB_SENSB_INFO; 300 p_cur_len = &nfa_dm_cb.params.lb_sensb_info_len; 301 break; 302 case NFC_PMID_LB_NFCID0: 303 p_stored = nfa_dm_cb.params.lb_nfcid0; 304 max_len = NCI_PARAM_LEN_LB_NFCID0; 305 p_cur_len = &nfa_dm_cb.params.lb_nfcid0_len; 306 break; 307 case NFC_PMID_LB_APPDATA: 308 p_stored = nfa_dm_cb.params.lb_appdata; 309 max_len = NCI_PARAM_LEN_LB_APPDATA; 310 p_cur_len = &nfa_dm_cb.params.lb_appdata_len; 311 break; 312 case NFC_PMID_LB_ADC_FO: 313 p_stored = nfa_dm_cb.params.lb_adc_fo; 314 max_len = NCI_PARAM_LEN_LB_ADC_FO; 315 p_cur_len = &nfa_dm_cb.params.lb_adc_fo_len; 316 break; 317 case NFC_PMID_LB_H_INFO: 318 p_stored = nfa_dm_cb.params.lb_h_info; 319 max_len = NCI_MAX_ATTRIB_LEN; 320 p_cur_len = &nfa_dm_cb.params.lb_h_info_len; 321 break; 322 323 /* 324 ** Listen F Configuration 325 */ 326 case NFC_PMID_LF_PROTOCOL: 327 p_stored = nfa_dm_cb.params.lf_protocol; 328 max_len = NCI_PARAM_LEN_LF_PROTOCOL; 329 p_cur_len = &nfa_dm_cb.params.lf_protocol_len; 330 break; 331 case NFC_PMID_LF_T3T_FLAGS2: 332 p_stored = nfa_dm_cb.params.lf_t3t_flags2; 333 max_len = NCI_PARAM_LEN_LF_T3T_FLAGS2; 334 p_cur_len = &nfa_dm_cb.params.lf_t3t_flags2_len; 335 break; 336 case NFC_PMID_LF_T3T_PMM: 337 p_stored = nfa_dm_cb.params.lf_t3t_pmm; 338 max_len = NCI_PARAM_LEN_LF_T3T_PMM; 339 break; 340 341 /* 342 ** ISO-DEP and NFC-DEP Configuration 343 */ 344 case NFC_PMID_FWI: 345 p_stored = nfa_dm_cb.params.fwi; 346 max_len = NCI_PARAM_LEN_FWI; 347 break; 348 case NFC_PMID_WT: 349 p_stored = nfa_dm_cb.params.wt; 350 max_len = NCI_PARAM_LEN_WT; 351 break; 352 case NFC_PMID_ATR_REQ_GEN_BYTES: 353 p_stored = nfa_dm_cb.params.atr_req_gen_bytes; 354 max_len = NCI_MAX_GEN_BYTES_LEN; 355 p_cur_len = &nfa_dm_cb.params.atr_req_gen_bytes_len; 356 break; 357 case NFC_PMID_ATR_RES_GEN_BYTES: 358 p_stored = nfa_dm_cb.params.atr_res_gen_bytes; 359 max_len = NCI_MAX_GEN_BYTES_LEN; 360 p_cur_len = &nfa_dm_cb.params.atr_res_gen_bytes_len; 361 break; 362 default: 363 /* 364 ** Listen F Configuration 365 */ 366 if ((type >= NFC_PMID_LF_T3T_ID1) && (type < NFC_PMID_LF_T3T_ID1 + NFA_CE_LISTEN_INFO_MAX)) 367 { 368 p_stored = nfa_dm_cb.params.lf_t3t_id[type - NFC_PMID_LF_T3T_ID1]; 369 max_len = NCI_PARAM_LEN_LF_T3T_ID; 370 } 371 else 372 { 373 /* we don't stored this config items */ 374 update = TRUE; 375 p_stored = NULL; 376 } 377 break; 378 } 379 380 if ((p_stored)&&(len <= max_len)) 381 { 382 if (p_cur_len) 383 { 384 if (*p_cur_len != len) 385 { 386 *p_cur_len = len; 387 update = TRUE; 388 } 389 else if (memcmp (p_value, p_stored, len)) 390 { 391 update = TRUE; 392 } 393 } 394 else if (len == max_len) /* fixed length */ 395 { 396 if (memcmp (p_value, p_stored, len)) 397 { 398 update = TRUE; 399 } 400 } 401 } 402 403 if (update) 404 { 405 /* we don't store this type */ 406 if (p_stored) 407 { 408 memcpy (p_stored, p_value, len); 409 } 410 411 /* If need to change TLV in the original list. (Do not modify list if app_init) */ 412 if ((updated_len != xx) && (!app_init)) 413 { 414 memcpy (p_tlv_list + updated_len, p_tlv_list + xx, (len + 2)); 415 } 416 updated_len += (len + 2); 417 } 418 xx += len + 2; /* move to next TLV */ 419 } 420 421 /* If any TVLs to update, or if the SetConfig was initiated by the application, then send the SET_CONFIG command */ 422 if (updated_len || app_init) 423 { 424 if ((nfc_status = NFC_SetConfig (updated_len, p_tlv_list)) == NFC_STATUS_OK) 425 { 426 /* Keep track of whether we will need to notify NFA_DM_SET_CONFIG_EVT on NFC_SET_CONFIG_REVT */ 427 428 /* Get the next available bit offset for this setconfig (based on how many SetConfigs are outstanding) */ 429 cur_bit = (UINT32) (1 << nfa_dm_cb.setcfg_pending_num); 430 431 /* If setconfig is due to NFA_SetConfig: then set the bit (NFA_DM_SET_CONFIG_EVT needed on NFC_SET_CONFIG_REVT) */ 432 if (app_init) 433 { 434 nfa_dm_cb.setcfg_pending_mask |= cur_bit; 435 } 436 /* Otherwise setconfig is internal: clear the bit (NFA_DM_SET_CONFIG_EVT not needed on NFC_SET_CONFIG_REVT) */ 437 else 438 { 439 nfa_dm_cb.setcfg_pending_mask &= ~cur_bit; 440 } 441 442 /* Increment setcfg_pending counter */ 443 nfa_dm_cb.setcfg_pending_num++; 444 } 445 return (nfc_status); 446 447 } 448 else 449 { 450 return NFA_STATUS_OK; 451 } 452} 453 454#if (BT_TRACE_VERBOSE == TRUE) 455/******************************************************************************* 456** 457** Function nfa_dm_nfc_revt_2_str 458** 459** Description convert nfc revt to string 460** 461*******************************************************************************/ 462static char *nfa_dm_evt_2_str (UINT16 event) 463{ 464 switch (NFA_SYS_EVT_START (NFA_ID_DM) | event) 465 { 466 case NFA_DM_API_ENABLE_EVT: 467 return "NFA_DM_API_ENABLE_EVT"; 468 469 case NFA_DM_API_DISABLE_EVT: 470 return "NFA_DM_API_DISABLE_EVT"; 471 472 case NFA_DM_API_SET_CONFIG_EVT: 473 return "NFA_DM_API_SET_CONFIG_EVT"; 474 475 case NFA_DM_API_GET_CONFIG_EVT: 476 return "NFA_DM_API_GET_CONFIG_EVT"; 477 478 case NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT: 479 return "NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT"; 480 481 case NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT: 482 return "NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT"; 483 484 case NFA_DM_API_ENABLE_POLLING_EVT: 485 return "NFA_DM_API_ENABLE_POLLING_EVT"; 486 487 case NFA_DM_API_DISABLE_POLLING_EVT: 488 return "NFA_DM_API_DISABLE_POLLING_EVT"; 489 490 case NFA_DM_API_ENABLE_LISTENING_EVT: 491 return "NFA_DM_API_ENABLE_LISTENING_EVT"; 492 493 case NFA_DM_API_DISABLE_LISTENING_EVT: 494 return "NFA_DM_API_DISABLE_LISTENING_EVT"; 495 496 case NFA_DM_API_PAUSE_P2P_EVT: 497 return "NFA_DM_API_PAUSE_P2P_EVT"; 498 499 case NFA_DM_API_RESUME_P2P_EVT: 500 return "NFA_DM_API_RESUME_P2P_EVT"; 501 502 case NFA_DM_API_RAW_FRAME_EVT: 503 return "NFA_DM_API_RAW_FRAME_EVT"; 504 505 case NFA_DM_API_SET_P2P_LISTEN_TECH_EVT: 506 return "NFA_DM_API_SET_P2P_LISTEN_TECH_EVT"; 507 508 case NFA_DM_API_START_RF_DISCOVERY_EVT: 509 return "NFA_DM_API_START_RF_DISCOVERY_EVT"; 510 511 case NFA_DM_API_STOP_RF_DISCOVERY_EVT: 512 return "NFA_DM_API_STOP_RF_DISCOVERY_EVT"; 513 514 case NFA_DM_API_SET_RF_DISC_DURATION_EVT: 515 return "NFA_DM_API_SET_RF_DISC_DURATION_EVT"; 516 517 case NFA_DM_API_SELECT_EVT: 518 return "NFA_DM_API_SELECT_EVT"; 519 520 case NFA_DM_API_UPDATE_RF_PARAMS_EVT: 521 return "NFA_DM_API_UPDATE_RF_PARAMS_EVT"; 522 523 case NFA_DM_API_DEACTIVATE_EVT: 524 return "NFA_DM_API_DEACTIVATE_EVT"; 525 526 case NFA_DM_API_POWER_OFF_SLEEP_EVT: 527 return "NFA_DM_API_POWER_OFF_SLEEP_EVT"; 528 529 case NFA_DM_API_REG_NDEF_HDLR_EVT: 530 return "NFA_DM_API_REG_NDEF_HDLR_EVT"; 531 532 case NFA_DM_API_DEREG_NDEF_HDLR_EVT: 533 return "NFA_DM_API_DEREG_NDEF_HDLR_EVT"; 534 535 case NFA_DM_TIMEOUT_DISABLE_EVT: 536 return "NFA_DM_TIMEOUT_DISABLE_EVT"; 537 538 } 539 540 return "Unknown or Vendor Specific"; 541} 542#endif /* BT_TRACE_VERBOSE */ 543