nfa_dm_main.c revision 09de1b298ad4237ba50018d28086c0430da8c23e
1/****************************************************************************** 2 * 3 * Copyright (C) 2010-2013 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_send_raw_frame, /* NFA_DM_API_RAW_FRAME_EVT */ 66 nfa_dm_set_p2p_listen_tech, /* NFA_DM_API_SET_P2P_LISTEN_TECH_EVT */ 67 nfa_dm_act_start_rf_discovery, /* NFA_DM_API_START_RF_DISCOVERY_EVT */ 68 nfa_dm_act_stop_rf_discovery, /* NFA_DM_API_STOP_RF_DISCOVERY_EVT */ 69 nfa_dm_act_set_rf_disc_duration, /* NFA_DM_API_SET_RF_DISC_DURATION_EVT */ 70 nfa_dm_act_select, /* NFA_DM_API_SELECT_EVT */ 71 nfa_dm_act_update_rf_params, /* NFA_DM_API_UPDATE_RF_PARAMS_EVT */ 72 nfa_dm_act_deactivate, /* NFA_DM_API_DEACTIVATE_EVT */ 73 nfa_dm_act_power_off_sleep, /* NFA_DM_API_POWER_OFF_SLEEP_EVT */ 74 nfa_dm_ndef_reg_hdlr, /* NFA_DM_API_REG_NDEF_HDLR_EVT */ 75 nfa_dm_ndef_dereg_hdlr, /* NFA_DM_API_DEREG_NDEF_HDLR_EVT */ 76 nfa_dm_act_reg_vsc, /* NFA_DM_API_REG_VSC_EVT */ 77 nfa_dm_act_send_vsc, /* NFA_DM_API_SEND_VSC_EVT */ 78 nfa_dm_act_disable_timeout, /* NFA_DM_TIMEOUT_DISABLE_EVT */ 79 nfa_dm_act_enable_listening, /* NFA_DM_ENABLE_LISTENING_EVT */ 80 nfa_dm_act_disable_listening /* NFA_DM_DISABLE_LISTENING_EVT */ 81}; 82 83/***************************************************************************** 84** Local function prototypes 85*****************************************************************************/ 86#if (BT_TRACE_VERBOSE == TRUE) 87static char *nfa_dm_evt_2_str (UINT16 event); 88#endif 89/******************************************************************************* 90** 91** Function nfa_dm_init 92** 93** Description Initialises the NFC device manager 94** 95** Returns void 96** 97*******************************************************************************/ 98void nfa_dm_init (void) 99{ 100 NFA_TRACE_DEBUG0 ("nfa_dm_init ()"); 101 memset (&nfa_dm_cb, 0, sizeof (tNFA_DM_CB)); 102 nfa_dm_cb.poll_disc_handle = NFA_HANDLE_INVALID; 103 nfa_dm_cb.disc_cb.disc_duration = NFA_DM_DISC_DURATION_POLL; 104 nfa_dm_cb.nfcc_pwr_mode = NFA_DM_PWR_MODE_FULL; 105 106 /* register message handler on NFA SYS */ 107 nfa_sys_register (NFA_ID_DM, &nfa_dm_sys_reg); 108} 109 110/******************************************************************************* 111** 112** Function nfa_dm_evt_hdlr 113** 114** Description Event handling function for DM 115** 116** 117** Returns void 118** 119*******************************************************************************/ 120BOOLEAN nfa_dm_evt_hdlr (BT_HDR *p_msg) 121{ 122 BOOLEAN freebuf = TRUE; 123 UINT16 event = p_msg->event & 0x00ff; 124 125#if (BT_TRACE_VERBOSE == TRUE) 126 NFA_TRACE_EVENT2 ("nfa_dm_evt_hdlr event: %s (0x%02x)", nfa_dm_evt_2_str (event), event); 127#else 128 NFA_TRACE_EVENT1 ("nfa_dm_evt_hdlr event: 0x%x", event); 129#endif 130 131 /* execute action functions */ 132 if (event < NFA_DM_NUM_ACTIONS) 133 { 134 freebuf = (*nfa_dm_action[event]) ((tNFA_DM_MSG*) p_msg); 135 } 136 return freebuf; 137} 138 139/******************************************************************************* 140** 141** Function nfa_dm_sys_disable 142** 143** Description This function is called after all subsystems have been disabled. 144** 145** Returns void 146** 147*******************************************************************************/ 148void nfa_dm_sys_disable (void) 149{ 150 /* Disable the DM sub-system */ 151 /* If discovery state is not IDLE or DEACTIVATED and graceful disable, */ 152 /* then we need to deactivate link or stop discovery */ 153 154 if (nfa_sys_is_graceful_disable ()) 155 { 156 if ( (nfa_dm_cb.disc_cb.disc_state == NFA_DM_RFST_IDLE) 157 &&((nfa_dm_cb.disc_cb.disc_flags & NFA_DM_DISC_FLAGS_DISABLING) == 0) ) 158 { 159 /* discovery is not started */ 160 nfa_dm_disable_complete (); 161 } 162 else 163 { 164 /* probably waiting to be disabled */ 165 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); 166 } 167 168 } 169 else 170 { 171 nfa_dm_disable_complete (); 172 } 173} 174 175/******************************************************************************* 176** 177** Function nfa_dm_is_protocol_supported 178** 179** Description Check if protocol is supported by RW module 180** 181** Returns TRUE if protocol is supported by NFA 182** 183*******************************************************************************/ 184BOOLEAN nfa_dm_is_protocol_supported (tNFC_PROTOCOL protocol, UINT8 sel_res) 185{ 186 return ( (protocol == NFC_PROTOCOL_T1T) 187 ||((protocol == NFC_PROTOCOL_T2T) && (sel_res == NFC_SEL_RES_NFC_FORUM_T2T)) 188 ||(protocol == NFC_PROTOCOL_T3T) 189 ||(protocol == NFC_PROTOCOL_ISO_DEP) 190 ||(protocol == NFC_PROTOCOL_NFC_DEP) 191 ||(protocol == NFC_PROTOCOL_15693) ); 192} 193/******************************************************************************* 194** 195** Function nfa_dm_is_active 196** 197** Description check if all modules of NFA is done with enable process and 198** NFA is not restoring NFCC. 199** 200** Returns TRUE, if NFA_DM_ENABLE_EVT is reported and it is not restoring NFCC 201** 202*******************************************************************************/ 203BOOLEAN nfa_dm_is_active (void) 204{ 205 if ( (nfa_dm_cb.flags & NFA_DM_FLAGS_DM_IS_ACTIVE) 206 &&((nfa_dm_cb.flags & (NFA_DM_FLAGS_ENABLE_EVT_PEND | NFA_DM_FLAGS_NFCC_IS_RESTORING)) == 0) ) 207 { 208 return TRUE; 209 } 210 else 211 return FALSE; 212} 213/******************************************************************************* 214** 215** Function nfa_dm_check_set_config 216** 217** Description Update config parameters only if it's different from NFCC 218** 219** 220** Returns tNFA_STATUS 221** 222*******************************************************************************/ 223tNFA_STATUS nfa_dm_check_set_config (UINT8 tlv_list_len, UINT8 *p_tlv_list, BOOLEAN app_init) 224{ 225 UINT8 type, len, *p_value, *p_stored, max_len; 226 UINT8 xx = 0, updated_len = 0, *p_cur_len; 227 BOOLEAN update; 228 tNFC_STATUS nfc_status; 229 UINT32 cur_bit; 230 231 NFA_TRACE_DEBUG0 ("nfa_dm_check_set_config ()"); 232 233 /* We only allow 32 pending SET_CONFIGs */ 234 if (nfa_dm_cb.setcfg_pending_num >= NFA_DM_SETCONFIG_PENDING_MAX) 235 { 236 NFA_TRACE_ERROR0 ("nfa_dm_check_set_config () error: pending number of SET_CONFIG exceeded"); 237 return NFA_STATUS_FAILED; 238 } 239 240 while (tlv_list_len - xx >= 2) /* at least type and len */ 241 { 242 update = FALSE; 243 type = *(p_tlv_list + xx); 244 len = *(p_tlv_list + xx + 1); 245 p_value = p_tlv_list + xx + 2; 246 p_cur_len = NULL; 247 248 switch (type) 249 { 250 case NFC_PMID_TOTAL_DURATION: 251 p_stored = nfa_dm_cb.params.total_duration; 252 max_len = NCI_PARAM_LEN_TOTAL_DURATION; 253 break; 254 255 /* 256 ** Listen A Configuration 257 */ 258 case NFC_PMID_LA_BIT_FRAME_SDD: 259 p_stored = nfa_dm_cb.params.la_bit_frame_sdd; 260 max_len = NCI_PARAM_LEN_LA_BIT_FRAME_SDD; 261 p_cur_len = &nfa_dm_cb.params.la_bit_frame_sdd_len; 262 break; 263 case NFC_PMID_LA_PLATFORM_CONFIG: 264 p_stored = nfa_dm_cb.params.la_platform_config; 265 max_len = NCI_PARAM_LEN_LA_PLATFORM_CONFIG; 266 p_cur_len = &nfa_dm_cb.params.la_platform_config_len; 267 break; 268 case NFC_PMID_LA_SEL_INFO: 269 p_stored = nfa_dm_cb.params.la_sel_info; 270 max_len = NCI_PARAM_LEN_LA_SEL_INFO; 271 p_cur_len = &nfa_dm_cb.params.la_sel_info_len; 272 break; 273 case NFC_PMID_LA_NFCID1: 274 p_stored = nfa_dm_cb.params.la_nfcid1; 275 max_len = NCI_NFCID1_MAX_LEN; 276 p_cur_len = &nfa_dm_cb.params.la_nfcid1_len; 277 break; 278 case NFC_PMID_LA_HIST_BY: 279 p_stored = nfa_dm_cb.params.la_hist_by; 280 max_len = NCI_MAX_HIS_BYTES_LEN; 281 p_cur_len = &nfa_dm_cb.params.la_hist_by_len; 282 break; 283 284 /* 285 ** Listen B Configuration 286 */ 287 case NFC_PMID_LB_SENSB_INFO: 288 p_stored = nfa_dm_cb.params.lb_sensb_info; 289 max_len = NCI_PARAM_LEN_LB_SENSB_INFO; 290 p_cur_len = &nfa_dm_cb.params.lb_sensb_info_len; 291 break; 292 case NFC_PMID_LB_NFCID0: 293 p_stored = nfa_dm_cb.params.lb_nfcid0; 294 max_len = NCI_PARAM_LEN_LB_NFCID0; 295 p_cur_len = &nfa_dm_cb.params.lb_nfcid0_len; 296 break; 297 case NFC_PMID_LB_APPDATA: 298 p_stored = nfa_dm_cb.params.lb_appdata; 299 max_len = NCI_PARAM_LEN_LB_APPDATA; 300 p_cur_len = &nfa_dm_cb.params.lb_appdata_len; 301 break; 302 case NFC_PMID_LB_ADC_FO: 303 p_stored = nfa_dm_cb.params.lb_adc_fo; 304 max_len = NCI_PARAM_LEN_LB_ADC_FO; 305 p_cur_len = &nfa_dm_cb.params.lb_adc_fo_len; 306 break; 307 case NFC_PMID_LB_H_INFO: 308 p_stored = nfa_dm_cb.params.lb_h_info; 309 max_len = NCI_MAX_ATTRIB_LEN; 310 p_cur_len = &nfa_dm_cb.params.lb_h_info_len; 311 break; 312 313 /* 314 ** Listen F Configuration 315 */ 316 case NFC_PMID_LF_PROTOCOL: 317 p_stored = nfa_dm_cb.params.lf_protocol; 318 max_len = NCI_PARAM_LEN_LF_PROTOCOL; 319 p_cur_len = &nfa_dm_cb.params.lf_protocol_len; 320 break; 321 case NFC_PMID_LF_T3T_FLAGS2: 322 p_stored = nfa_dm_cb.params.lf_t3t_flags2; 323 max_len = NCI_PARAM_LEN_LF_T3T_FLAGS2; 324 p_cur_len = &nfa_dm_cb.params.lf_t3t_flags2_len; 325 break; 326 case NFC_PMID_LF_T3T_PMM: 327 p_stored = nfa_dm_cb.params.lf_t3t_pmm; 328 max_len = NCI_PARAM_LEN_LF_T3T_PMM; 329 break; 330 331 /* 332 ** ISO-DEP and NFC-DEP Configuration 333 */ 334 case NFC_PMID_FWI: 335 p_stored = nfa_dm_cb.params.fwi; 336 max_len = NCI_PARAM_LEN_FWI; 337 break; 338 case NFC_PMID_WT: 339 p_stored = nfa_dm_cb.params.wt; 340 max_len = NCI_PARAM_LEN_WT; 341 break; 342 case NFC_PMID_ATR_REQ_GEN_BYTES: 343 p_stored = nfa_dm_cb.params.atr_req_gen_bytes; 344 max_len = NCI_MAX_GEN_BYTES_LEN; 345 p_cur_len = &nfa_dm_cb.params.atr_req_gen_bytes_len; 346 break; 347 case NFC_PMID_ATR_RES_GEN_BYTES: 348 p_stored = nfa_dm_cb.params.atr_res_gen_bytes; 349 max_len = NCI_MAX_GEN_BYTES_LEN; 350 p_cur_len = &nfa_dm_cb.params.atr_res_gen_bytes_len; 351 break; 352 default: 353 /* 354 ** Listen F Configuration 355 */ 356 if ((type >= NFC_PMID_LF_T3T_ID1) && (type < NFC_PMID_LF_T3T_ID1 + NFA_CE_LISTEN_INFO_MAX)) 357 { 358 p_stored = nfa_dm_cb.params.lf_t3t_id[type - NFC_PMID_LF_T3T_ID1]; 359 max_len = NCI_PARAM_LEN_LF_T3T_ID; 360 } 361 else 362 { 363 /* we don't stored this config items */ 364 update = TRUE; 365 p_stored = NULL; 366 } 367 break; 368 } 369 370 if ((p_stored)&&(len <= max_len)) 371 { 372 if (p_cur_len) 373 { 374 if (*p_cur_len != len) 375 { 376 *p_cur_len = len; 377 update = TRUE; 378 } 379 else if (memcmp (p_value, p_stored, len)) 380 { 381 update = TRUE; 382 } 383 } 384 else if (len == max_len) /* fixed length */ 385 { 386 if (memcmp (p_value, p_stored, len)) 387 { 388 update = TRUE; 389 } 390 } 391 } 392 393 if (update) 394 { 395 /* we don't store this type */ 396 if (p_stored) 397 { 398 memcpy (p_stored, p_value, len); 399 } 400 401 /* If need to change TLV in the original list. (Do not modify list if app_init) */ 402 if ((updated_len != xx) && (!app_init)) 403 { 404 memcpy (p_tlv_list + updated_len, p_tlv_list + xx, (len + 2)); 405 } 406 updated_len += (len + 2); 407 } 408 xx += len + 2; /* move to next TLV */ 409 } 410 411 /* If any TVLs to update, or if the SetConfig was initiated by the application, then send the SET_CONFIG command */ 412 if (updated_len || app_init) 413 { 414 if ((nfc_status = NFC_SetConfig (updated_len, p_tlv_list)) == NFC_STATUS_OK) 415 { 416 /* Keep track of whether we will need to notify NFA_DM_SET_CONFIG_EVT on NFC_SET_CONFIG_REVT */ 417 418 /* Get the next available bit offset for this setconfig (based on how many SetConfigs are outstanding) */ 419 cur_bit = (UINT32) (1 << nfa_dm_cb.setcfg_pending_num); 420 421 /* If setconfig is due to NFA_SetConfig: then set the bit (NFA_DM_SET_CONFIG_EVT needed on NFC_SET_CONFIG_REVT) */ 422 if (app_init) 423 { 424 nfa_dm_cb.setcfg_pending_mask |= cur_bit; 425 } 426 /* Otherwise setconfig is internal: clear the bit (NFA_DM_SET_CONFIG_EVT not needed on NFC_SET_CONFIG_REVT) */ 427 else 428 { 429 nfa_dm_cb.setcfg_pending_mask &= ~cur_bit; 430 } 431 432 /* Increment setcfg_pending counter */ 433 nfa_dm_cb.setcfg_pending_num++; 434 } 435 return (nfc_status); 436 437 } 438 else 439 { 440 return NFA_STATUS_OK; 441 } 442} 443 444#if (BT_TRACE_VERBOSE == TRUE) 445/******************************************************************************* 446** 447** Function nfa_dm_nfc_revt_2_str 448** 449** Description convert nfc revt to string 450** 451*******************************************************************************/ 452static char *nfa_dm_evt_2_str (UINT16 event) 453{ 454 switch (NFA_SYS_EVT_START (NFA_ID_DM) | event) 455 { 456 case NFA_DM_API_ENABLE_EVT: 457 return "NFA_DM_API_ENABLE_EVT"; 458 459 case NFA_DM_API_DISABLE_EVT: 460 return "NFA_DM_API_DISABLE_EVT"; 461 462 case NFA_DM_API_SET_CONFIG_EVT: 463 return "NFA_DM_API_SET_CONFIG_EVT"; 464 465 case NFA_DM_API_GET_CONFIG_EVT: 466 return "NFA_DM_API_GET_CONFIG_EVT"; 467 468 case NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT: 469 return "NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT"; 470 471 case NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT: 472 return "NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT"; 473 474 case NFA_DM_API_ENABLE_POLLING_EVT: 475 return "NFA_DM_API_ENABLE_POLLING_EVT"; 476 477 case NFA_DM_API_DISABLE_POLLING_EVT: 478 return "NFA_DM_API_DISABLE_POLLING_EVT"; 479 480 case NFA_DM_API_RAW_FRAME_EVT: 481 return "NFA_DM_API_RAW_FRAME_EVT"; 482 483 case NFA_DM_API_SET_P2P_LISTEN_TECH_EVT: 484 return "NFA_DM_API_SET_P2P_LISTEN_TECH_EVT"; 485 486 case NFA_DM_API_START_RF_DISCOVERY_EVT: 487 return "NFA_DM_API_START_RF_DISCOVERY_EVT"; 488 489 case NFA_DM_API_STOP_RF_DISCOVERY_EVT: 490 return "NFA_DM_API_STOP_RF_DISCOVERY_EVT"; 491 492 case NFA_DM_API_SET_RF_DISC_DURATION_EVT: 493 return "NFA_DM_API_SET_RF_DISC_DURATION_EVT"; 494 495 case NFA_DM_API_SELECT_EVT: 496 return "NFA_DM_API_SELECT_EVT"; 497 498 case NFA_DM_API_UPDATE_RF_PARAMS_EVT: 499 return "NFA_DM_API_UPDATE_RF_PARAMS_EVT"; 500 501 case NFA_DM_API_DEACTIVATE_EVT: 502 return "NFA_DM_API_DEACTIVATE_EVT"; 503 504 case NFA_DM_API_POWER_OFF_SLEEP_EVT: 505 return "NFA_DM_API_POWER_OFF_SLEEP_EVT"; 506 507 case NFA_DM_API_REG_NDEF_HDLR_EVT: 508 return "NFA_DM_API_REG_NDEF_HDLR_EVT"; 509 510 case NFA_DM_API_DEREG_NDEF_HDLR_EVT: 511 return "NFA_DM_API_DEREG_NDEF_HDLR_EVT"; 512 513 case NFA_DM_TIMEOUT_DISABLE_EVT: 514 return "NFA_DM_TIMEOUT_DISABLE_EVT"; 515 516 } 517 518 return "Unknown or Vendor Specific"; 519} 520#endif /* BT_TRACE_VERBOSE */ 521