1 /****************************************************************************** 2 * 3 * Copyright (C) 1999-2013 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 file contains functions that interface with the NFC NCI transport. 23 * On the receive side, it routes events to the appropriate handler 24 * (callback). On the transmit side, it manages the command transmission. 25 * 26 ******************************************************************************/ 27 #include <string.h> 28 #include "nfc_target.h" 29 30 #if NFC_INCLUDED == TRUE 31 #include "nfc_hal_api.h" 32 #include "nfc_api.h" 33 #include "nci_defs.h" 34 #include "nci_hmsgs.h" 35 #include "nfc_int.h" 36 #include "rw_api.h" 37 #include "rw_int.h" 38 #include "hcidefs.h" 39 #include "nfc_hal_api.h" 40 41 #if (NFC_RW_ONLY == FALSE) 42 static const UINT8 nfc_mpl_code_to_size[] = 43 {64, 128, 192, 254}; 44 45 #endif /* NFC_RW_ONLY */ 46 47 48 #define NFC_PB_ATTRIB_REQ_FIXED_BYTES 1 49 #define NFC_LB_ATTRIB_REQ_FIXED_BYTES 8 50 51 52 /******************************************************************************* 53 ** 54 ** Function nfc_ncif_update_window 55 ** 56 ** Description Update tx cmd window to indicate that NFCC can received 57 ** 58 ** Returns void 59 ** 60 *********************************************************************************/ 61 void nfc_ncif_update_window (void) 62 { 63 /* Sanity check - see if we were expecting a update_window */ 64 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 65 { 66 if (nfc_cb.nfc_state != NFC_STATE_W4_HAL_CLOSE) 67 { 68 NFC_TRACE_ERROR0("nfc_ncif_update_window: Unexpected call"); 69 } 70 return; 71 } 72 73 /* Stop command-pending timer */ 74 nfc_stop_timer (&nfc_cb.nci_wait_rsp_timer); 75 76 nfc_cb.p_vsc_cback = NULL; 77 nfc_cb.nci_cmd_window++; 78 79 /* Check if there were any commands waiting to be sent */ 80 nfc_ncif_check_cmd_queue (NULL); 81 } 82 83 /******************************************************************************* 84 ** 85 ** Function nfc_ncif_cmd_timeout 86 ** 87 ** Description Handle a command timeout 88 ** 89 ** Returns void 90 ** 91 *******************************************************************************/ 92 void nfc_ncif_cmd_timeout (void) 93 { 94 NFC_TRACE_ERROR0 ("nfc_ncif_cmd_timeout"); 95 96 /* report an error */ 97 nfc_ncif_event_status(NFC_GEN_ERROR_REVT, NFC_STATUS_HW_TIMEOUT); 98 nfc_ncif_event_status(NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); 99 100 /* if enabling NFC, notify upper layer of failure */ 101 if (nfc_cb.nfc_state == NFC_STATE_CORE_INIT) 102 { 103 nfc_enabled (NFC_STATUS_FAILED, NULL); 104 } 105 106 /* terminate the process so we'll try again */ 107 NFC_TRACE_ERROR0 ("NFC controller stopped responding, aborting the NFC process"); 108 abort(); 109 } 110 111 /******************************************************************************* 112 ** 113 ** Function nfc_wait_2_deactivate_timeout 114 ** 115 ** Description Handle a command timeout 116 ** 117 ** Returns void 118 ** 119 *******************************************************************************/ 120 void nfc_wait_2_deactivate_timeout (void) 121 { 122 NFC_TRACE_ERROR0 ("nfc_wait_2_deactivate_timeout"); 123 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 124 nci_snd_deactivate_cmd ((UINT8) ((TIMER_PARAM_TYPE) nfc_cb.deactivate_timer.param)); 125 } 126 127 128 /******************************************************************************* 129 ** 130 ** Function nfc_ncif_send_data 131 ** 132 ** Description This function is called to add the NCI data header 133 ** and send it to NCIT task for sending it to transport 134 ** as credits are available. 135 ** 136 ** Returns void 137 ** 138 *******************************************************************************/ 139 UINT8 nfc_ncif_send_data (tNFC_CONN_CB *p_cb, BT_HDR *p_data) 140 { 141 UINT8 *pp; 142 UINT8 *ps; 143 UINT8 ulen = NCI_MAX_PAYLOAD_SIZE; 144 BT_HDR *p; 145 UINT8 pbf = 1; 146 UINT8 buffer_size = p_cb->buff_size; 147 UINT8 hdr0 = p_cb->conn_id; 148 BOOLEAN fragmented = FALSE; 149 150 NFC_TRACE_DEBUG3 ("nfc_ncif_send_data :%d, num_buff:%d qc:%d", p_cb->conn_id, p_cb->num_buff, p_cb->tx_q.count); 151 if (p_cb->id == NFC_RF_CONN_ID) 152 { 153 if (nfc_cb.nfc_state != NFC_STATE_OPEN) 154 { 155 if (nfc_cb.nfc_state == NFC_STATE_CLOSING) 156 { 157 if ((p_data == NULL) && /* called because credit from NFCC */ 158 (nfc_cb.flags & NFC_FL_DEACTIVATING)) 159 { 160 if (p_cb->init_credits == p_cb->num_buff) 161 { 162 /* all the credits are back */ 163 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 164 NFC_TRACE_DEBUG2 ("deactivating NFC-DEP init_credits:%d, num_buff:%d", p_cb->init_credits, p_cb->num_buff); 165 nfc_stop_timer(&nfc_cb.deactivate_timer); 166 nci_snd_deactivate_cmd ((UINT8)((TIMER_PARAM_TYPE)nfc_cb.deactivate_timer.param)); 167 } 168 } 169 } 170 return NCI_STATUS_FAILED; 171 } 172 } 173 174 if (p_data) 175 { 176 /* always enqueue the data to the tx queue */ 177 GKI_enqueue (&p_cb->tx_q, p_data); 178 } 179 180 /* try to send the first data packet in the tx queue */ 181 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 182 183 /* post data fragment to NCIT task as credits are available */ 184 while (p_data && (p_data->len > 0) && (p_cb->num_buff > 0)) 185 { 186 if (p_data->len <= buffer_size) 187 { 188 pbf = 0; /* last fragment */ 189 ulen = (UINT8)(p_data->len); 190 fragmented = FALSE; 191 } 192 else 193 { 194 fragmented = TRUE; 195 ulen = buffer_size; 196 } 197 198 if (!fragmented) 199 { 200 /* if data packet is not fragmented, use the original buffer */ 201 p = p_data; 202 p_data = (BT_HDR *)GKI_dequeue (&p_cb->tx_q); 203 } 204 else 205 { 206 /* the data packet is too big and need to be fragmented 207 * prepare a new GKI buffer 208 * (even the last fragment to avoid issues) */ 209 if ((p = NCI_GET_CMD_BUF(ulen)) == NULL) 210 return (NCI_STATUS_BUFFER_FULL); 211 p->len = ulen; 212 p->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + 1; 213 pp = (UINT8 *)(p + 1) + p->offset; 214 ps = (UINT8 *)(p_data + 1) + p_data->offset; 215 memcpy (pp, ps, ulen); 216 /* adjust the BT_HDR on the old fragment */ 217 p_data->len -= ulen; 218 p_data->offset += ulen; 219 } 220 221 p->event = BT_EVT_TO_NFC_NCI; 222 p->layer_specific = pbf; 223 p->len += NCI_DATA_HDR_SIZE; 224 p->offset -= NCI_DATA_HDR_SIZE; 225 pp = (UINT8 *)(p + 1) + p->offset; 226 /* build NCI Data packet header */ 227 NCI_DATA_PBLD_HDR(pp, pbf, hdr0, ulen); 228 229 if (p_cb->num_buff != NFC_CONN_NO_FC) 230 p_cb->num_buff--; 231 232 /* send to HAL */ 233 HAL_WRITE(p); 234 235 if (!fragmented) 236 { 237 /* check if there are more data to send */ 238 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 239 } 240 } 241 242 return (NCI_STATUS_OK); 243 } 244 245 /******************************************************************************* 246 ** 247 ** Function nfc_ncif_check_cmd_queue 248 ** 249 ** Description Send NCI command to the transport 250 ** 251 ** Returns void 252 ** 253 *******************************************************************************/ 254 void nfc_ncif_check_cmd_queue (BT_HDR *p_buf) 255 { 256 UINT8 *ps; 257 /* If there are commands waiting in the xmit queue, or if the controller cannot accept any more commands, */ 258 /* then enqueue this command */ 259 if (p_buf) 260 { 261 if ((nfc_cb.nci_cmd_xmit_q.count) || (nfc_cb.nci_cmd_window == 0)) 262 { 263 GKI_enqueue (&nfc_cb.nci_cmd_xmit_q, p_buf); 264 p_buf = NULL; 265 } 266 } 267 268 /* If controller can accept another command, then send the next command */ 269 if (nfc_cb.nci_cmd_window > 0) 270 { 271 /* If no command was provided, or if older commands were in the queue, then get cmd from the queue */ 272 if (!p_buf) 273 p_buf = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q); 274 275 if (p_buf) 276 { 277 /* save the message header to double check the response */ 278 ps = (UINT8 *)(p_buf + 1) + p_buf->offset; 279 memcpy(nfc_cb.last_hdr, ps, NFC_SAVED_HDR_SIZE); 280 memcpy(nfc_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_SAVED_CMD_SIZE); 281 if (p_buf->layer_specific == NFC_WAIT_RSP_VSC) 282 { 283 /* save the callback for NCI VSCs) */ 284 nfc_cb.p_vsc_cback = (void *)((tNFC_NCI_VS_MSG *)p_buf)->p_cback; 285 } 286 287 /* send to HAL */ 288 HAL_WRITE(p_buf); 289 290 /* Indicate command is pending */ 291 nfc_cb.nci_cmd_window--; 292 293 /* start NFC command-timeout timer */ 294 nfc_start_timer (&nfc_cb.nci_wait_rsp_timer, (UINT16)(NFC_TTYPE_NCI_WAIT_RSP), nfc_cb.nci_wait_rsp_tout); 295 } 296 } 297 298 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 299 { 300 /* the command queue must be empty now */ 301 if (nfc_cb.flags & NFC_FL_CONTROL_REQUESTED) 302 { 303 /* HAL requested control or stack needs to handle pre-discover */ 304 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED; 305 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 306 { 307 if (nfc_cb.p_hal->prediscover ()) 308 { 309 /* HAL has the command window now */ 310 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 311 nfc_cb.nci_cmd_window = 0; 312 } 313 else 314 { 315 /* HAL does not need to send command, 316 * - restore the command window and issue the discovery command now */ 317 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 318 ps = (UINT8 *)nfc_cb.p_disc_pending; 319 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); 320 GKI_freebuf (nfc_cb.p_disc_pending); 321 nfc_cb.p_disc_pending = NULL; 322 } 323 } 324 else if (nfc_cb.flags & NFC_FL_HAL_REQUESTED) 325 { 326 /* grant the control to HAL */ 327 nfc_cb.flags &= ~NFC_FL_HAL_REQUESTED; 328 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 329 nfc_cb.nci_cmd_window = 0; 330 nfc_cb.p_hal->control_granted (); 331 } 332 } 333 } 334 } 335 336 337 /******************************************************************************* 338 ** 339 ** Function nfc_ncif_send_cmd 340 ** 341 ** Description Send NCI command to the NCIT task 342 ** 343 ** Returns void 344 ** 345 *******************************************************************************/ 346 void nfc_ncif_send_cmd (BT_HDR *p_buf) 347 { 348 /* post the p_buf to NCIT task */ 349 p_buf->event = BT_EVT_TO_NFC_NCI; 350 p_buf->layer_specific = 0; 351 nfc_ncif_check_cmd_queue (p_buf); 352 } 353 354 355 /******************************************************************************* 356 ** 357 ** Function nfc_ncif_process_event 358 ** 359 ** Description This function is called to process the data/response/notification 360 ** from NFCC 361 ** 362 ** Returns TRUE if need to free buffer 363 ** 364 *******************************************************************************/ 365 BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg) 366 { 367 UINT8 mt, pbf, gid, *p, *pp; 368 BOOLEAN free = TRUE; 369 UINT8 oid; 370 UINT8 *p_old, old_gid, old_oid, old_mt; 371 372 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 373 374 pp = p; 375 NCI_MSG_PRS_HDR0 (pp, mt, pbf, gid); 376 377 switch (mt) 378 { 379 case NCI_MT_DATA: 380 NFC_TRACE_DEBUG0 ("NFC received data"); 381 nfc_ncif_proc_data (p_msg); 382 free = FALSE; 383 break; 384 385 case NCI_MT_RSP: 386 NFC_TRACE_DEBUG1 ("NFC received rsp gid:%d", gid); 387 oid = ((*pp) & NCI_OID_MASK); 388 p_old = nfc_cb.last_hdr; 389 NCI_MSG_PRS_HDR0(p_old, old_mt, pbf, old_gid); 390 old_oid = ((*p_old) & NCI_OID_MASK); 391 /* make sure this is the RSP we are waiting for before updating the command window */ 392 if ((old_gid != gid) || (old_oid != oid)) 393 { 394 NFC_TRACE_ERROR2 ("nfc_ncif_process_event unexpected rsp: gid:0x%x, oid:0x%x", gid, oid); 395 return TRUE; 396 } 397 398 switch (gid) 399 { 400 case NCI_GID_CORE: /* 0000b NCI Core group */ 401 free = nci_proc_core_rsp (p_msg); 402 break; 403 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 404 nci_proc_rf_management_rsp (p_msg); 405 break; 406 #if (NFC_NFCEE_INCLUDED == TRUE) 407 #if (NFC_RW_ONLY == FALSE) 408 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 409 nci_proc_ee_management_rsp (p_msg); 410 break; 411 #endif 412 #endif 413 case NCI_GID_PROP: /* 1111b Proprietary */ 414 nci_proc_prop_rsp (p_msg); 415 break; 416 default: 417 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 418 break; 419 } 420 421 nfc_ncif_update_window (); 422 break; 423 424 case NCI_MT_NTF: 425 NFC_TRACE_DEBUG1 ("NFC received ntf gid:%d", gid); 426 switch (gid) 427 { 428 case NCI_GID_CORE: /* 0000b NCI Core group */ 429 nci_proc_core_ntf (p_msg); 430 break; 431 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 432 nci_proc_rf_management_ntf (p_msg); 433 break; 434 #if (NFC_NFCEE_INCLUDED == TRUE) 435 #if (NFC_RW_ONLY == FALSE) 436 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 437 nci_proc_ee_management_ntf (p_msg); 438 break; 439 #endif 440 #endif 441 case NCI_GID_PROP: /* 1111b Proprietary */ 442 nci_proc_prop_ntf (p_msg); 443 break; 444 default: 445 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 446 break; 447 } 448 break; 449 450 default: 451 NFC_TRACE_DEBUG2 ("NFC received unknown mt:0x%x, gid:%d", mt, gid); 452 } 453 454 return (free); 455 } 456 457 /******************************************************************************* 458 ** 459 ** Function nfc_ncif_rf_management_status 460 ** 461 ** Description This function is called to report an event 462 ** 463 ** Returns void 464 ** 465 *******************************************************************************/ 466 void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status) 467 { 468 tNFC_DISCOVER evt_data; 469 if (nfc_cb.p_discv_cback) 470 { 471 evt_data.status = (tNFC_STATUS) status; 472 (*nfc_cb.p_discv_cback) (event, &evt_data); 473 } 474 } 475 476 /******************************************************************************* 477 ** 478 ** Function nfc_ncif_set_config_status 479 ** 480 ** Description This function is called to report NFC_SET_CONFIG_REVT 481 ** 482 ** Returns void 483 ** 484 *******************************************************************************/ 485 void nfc_ncif_set_config_status (UINT8 *p, UINT8 len) 486 { 487 tNFC_RESPONSE evt_data; 488 if (nfc_cb.p_resp_cback) 489 { 490 evt_data.set_config.status = (tNFC_STATUS) *p++; 491 evt_data.set_config.num_param_id = NFC_STATUS_OK; 492 if (evt_data.set_config.status != NFC_STATUS_OK) 493 { 494 evt_data.set_config.num_param_id = *p++; 495 STREAM_TO_ARRAY (evt_data.set_config.param_ids, p, evt_data.set_config.num_param_id); 496 } 497 498 (*nfc_cb.p_resp_cback) (NFC_SET_CONFIG_REVT, &evt_data); 499 } 500 } 501 502 /******************************************************************************* 503 ** 504 ** Function nfc_ncif_event_status 505 ** 506 ** Description This function is called to report an event 507 ** 508 ** Returns void 509 ** 510 *******************************************************************************/ 511 void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status) 512 { 513 tNFC_RESPONSE evt_data; 514 if (nfc_cb.p_resp_cback) 515 { 516 evt_data.status = (tNFC_STATUS) status; 517 (*nfc_cb.p_resp_cback) (event, &evt_data); 518 } 519 } 520 521 /******************************************************************************* 522 ** 523 ** Function nfc_ncif_error_status 524 ** 525 ** Description This function is called to report an error event to data cback 526 ** 527 ** Returns void 528 ** 529 *******************************************************************************/ 530 void nfc_ncif_error_status (UINT8 conn_id, UINT8 status) 531 { 532 tNFC_CONN_CB * p_cb; 533 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 534 if (p_cb && p_cb->p_cback) 535 { 536 (*p_cb->p_cback) (conn_id, NFC_ERROR_CEVT, (tNFC_CONN *) &status); 537 } 538 } 539 540 /******************************************************************************* 541 ** 542 ** Function nfc_ncif_proc_rf_field_ntf 543 ** 544 ** Description This function is called to process RF field notification 545 ** 546 ** Returns void 547 ** 548 *******************************************************************************/ 549 #if (NFC_RW_ONLY == FALSE) 550 void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status) 551 { 552 tNFC_RESPONSE evt_data; 553 if (nfc_cb.p_resp_cback) 554 { 555 evt_data.status = (tNFC_STATUS) NFC_STATUS_OK; 556 evt_data.rf_field.rf_field = rf_status; 557 (*nfc_cb.p_resp_cback) (NFC_RF_FIELD_REVT, &evt_data); 558 } 559 } 560 #endif 561 562 /******************************************************************************* 563 ** 564 ** Function nfc_ncif_proc_credits 565 ** 566 ** Description This function is called to process data credits 567 ** 568 ** Returns void 569 ** 570 *******************************************************************************/ 571 void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen) 572 { 573 UINT8 num, xx; 574 tNFC_CONN_CB * p_cb; 575 576 num = *p++; 577 for (xx = 0; xx < num; xx++) 578 { 579 p_cb = nfc_find_conn_cb_by_conn_id(*p++); 580 if (p_cb && p_cb->num_buff != NFC_CONN_NO_FC) 581 { 582 p_cb->num_buff += (*p); 583 #if (BT_USE_TRACES == TRUE) 584 if (p_cb->num_buff > p_cb->init_credits) 585 { 586 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 587 { 588 /* if this happens in activated state, it's very likely that our NFCC has issues */ 589 /* However, credit may be returned after deactivation */ 590 NFC_TRACE_ERROR2( "num_buff:0x%x, init_credits:0x%x", p_cb->num_buff, p_cb->init_credits); 591 } 592 p_cb->num_buff = p_cb->init_credits; 593 } 594 #endif 595 /* check if there's nay data in tx q to be sent */ 596 nfc_ncif_send_data (p_cb, NULL); 597 } 598 p++; 599 } 600 } 601 /******************************************************************************* 602 ** 603 ** Function nfc_ncif_decode_rf_params 604 ** 605 ** Description This function is called to process the detected technology 606 ** and mode and the associated parameters for DISCOVER_NTF and 607 ** ACTIVATE_NTF 608 ** 609 ** Returns void 610 ** 611 *******************************************************************************/ 612 UINT8 * nfc_ncif_decode_rf_params (tNFC_RF_TECH_PARAMS *p_param, UINT8 *p) 613 { 614 tNFC_RF_PA_PARAMS *p_pa; 615 UINT8 len, *p_start, u8; 616 tNFC_RF_PB_PARAMS *p_pb; 617 tNFC_RF_LF_PARAMS *p_lf; 618 tNFC_RF_PF_PARAMS *p_pf; 619 tNFC_RF_PISO15693_PARAMS *p_i93; 620 621 len = *p++; 622 p_start = p; 623 memset ( &p_param->param, 0, sizeof (tNFC_RF_TECH_PARAMU)); 624 switch (p_param->mode) 625 { 626 case NCI_DISCOVERY_TYPE_POLL_A: 627 case NCI_DISCOVERY_TYPE_POLL_A_ACTIVE: 628 p_pa = &p_param->param.pa; 629 /* 630 SENS_RES Response 2 bytes Defined in [DIGPROT] Available after Technology Detection 631 NFCID1 length 1 byte Length of NFCID1 Available after Collision Resolution 632 NFCID1 4, 7, or 10 bytes Defined in [DIGPROT]Available after Collision Resolution 633 SEL_RES Response 1 byte Defined in [DIGPROT]Available after Collision Resolution 634 HRx Length 1 Octets Length of HRx Parameters collected from the response to the T1T RID command. 635 HRx 0 or 2 Octets If present, the first byte SHALL contain HR0 and the second byte SHALL contain HR1 as defined in [DIGITAL]. 636 */ 637 STREAM_TO_ARRAY (p_pa->sens_res, p, 2); 638 p_pa->nfcid1_len = *p++; 639 if (p_pa->nfcid1_len > NCI_NFCID1_MAX_LEN) 640 p_pa->nfcid1_len = NCI_NFCID1_MAX_LEN; 641 STREAM_TO_ARRAY (p_pa->nfcid1, p, p_pa->nfcid1_len); 642 u8 = *p++; 643 if (u8) 644 p_pa->sel_rsp = *p++; 645 if (len == (7 + p_pa->nfcid1_len + u8)) /* 2(sens_res) + 1(len) + p_pa->nfcid1_len + 1(len) + u8 + hr (1:len + 2) */ 646 { 647 p_pa->hr_len = *p++; 648 if (p_pa->hr_len == NCI_T1T_HR_LEN) 649 { 650 p_pa->hr[0] = *p++; 651 p_pa->hr[1] = *p; 652 } 653 } 654 break; 655 656 case NCI_DISCOVERY_TYPE_POLL_B: 657 /* 658 SENSB_RES Response length (n) 1 byte Length of SENSB_RES Response (Byte 2 - Byte 12 or 13)Available after Technology Detection 659 SENSB_RES Response Byte 2 - Byte 12 or 13 11 or 12 bytes Defined in [DIGPROT] Available after Technology Detection 660 */ 661 p_pb = &p_param->param.pb; 662 p_pb->sensb_res_len = *p++; 663 if (p_pb->sensb_res_len > NCI_MAX_SENSB_RES_LEN) 664 p_pb->sensb_res_len = NCI_MAX_SENSB_RES_LEN; 665 STREAM_TO_ARRAY (p_pb->sensb_res, p, p_pb->sensb_res_len); 666 memcpy (p_pb->nfcid0, p_pb->sensb_res, NFC_NFCID0_MAX_LEN); 667 break; 668 669 case NCI_DISCOVERY_TYPE_POLL_F: 670 case NCI_DISCOVERY_TYPE_POLL_F_ACTIVE: 671 /* 672 Bit Rate 1 byte 1 212 kbps/2 424 kbps/0 and 3 to 255 RFU 673 SENSF_RES Response length.(n) 1 byte Length of SENSF_RES (Byte 2 - Byte 17 or 19).Available after Technology Detection 674 SENSF_RES Response Byte 2 - Byte 17 or 19 n bytes Defined in [DIGPROT] Available after Technology Detection 675 */ 676 p_pf = &p_param->param.pf; 677 p_pf->bit_rate = *p++; 678 p_pf->sensf_res_len = *p++; 679 if (p_pf->sensf_res_len > NCI_MAX_SENSF_RES_LEN) 680 p_pf->sensf_res_len = NCI_MAX_SENSF_RES_LEN; 681 STREAM_TO_ARRAY (p_pf->sensf_res, p, p_pf->sensf_res_len); 682 memcpy (p_pf->nfcid2, p_pf->sensf_res, NCI_NFCID2_LEN); 683 p_pf->mrti_check = p_pf->sensf_res[NCI_MRTI_CHECK_INDEX]; 684 p_pf->mrti_update = p_pf->sensf_res[NCI_MRTI_UPDATE_INDEX]; 685 break; 686 687 case NCI_DISCOVERY_TYPE_LISTEN_F: 688 case NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE: 689 p_lf = &p_param->param.lf; 690 u8 = *p++; 691 if (u8) 692 { 693 STREAM_TO_ARRAY (p_lf->nfcid2, p, NCI_NFCID2_LEN); 694 } 695 break; 696 697 case NCI_DISCOVERY_TYPE_POLL_ISO15693: 698 p_i93 = &p_param->param.pi93; 699 p_i93->flag = *p++; 700 p_i93->dsfid = *p++; 701 STREAM_TO_ARRAY (p_i93->uid, p, NFC_ISO15693_UID_LEN); 702 break; 703 704 case NCI_DISCOVERY_TYPE_POLL_KOVIO: 705 p_param->param.pk.uid_len = *p++; 706 if (p_param->param.pk.uid_len > NFC_KOVIO_MAX_LEN) 707 { 708 NFC_TRACE_ERROR2( "Kovio UID len:0x%x exceeds max(0x%x)", p_param->param.pk.uid_len, NFC_KOVIO_MAX_LEN); 709 p_param->param.pk.uid_len = NFC_KOVIO_MAX_LEN; 710 } 711 STREAM_TO_ARRAY (p_param->param.pk.uid, p, p_param->param.pk.uid_len); 712 break; 713 } 714 715 return (p_start + len); 716 } 717 718 /******************************************************************************* 719 ** 720 ** Function nfc_ncif_proc_discover_ntf 721 ** 722 ** Description This function is called to process discover notification 723 ** 724 ** Returns void 725 ** 726 *******************************************************************************/ 727 void nfc_ncif_proc_discover_ntf (UINT8 *p, UINT16 plen) 728 { 729 tNFC_DISCOVER evt_data; 730 731 if (nfc_cb.p_discv_cback) 732 { 733 p += NCI_MSG_HDR_SIZE; 734 evt_data.status = NCI_STATUS_OK; 735 evt_data.result.rf_disc_id = *p++; 736 evt_data.result.protocol = *p++; 737 738 /* fill in tNFC_RESULT_DEVT */ 739 evt_data.result.rf_tech_param.mode = *p++; 740 p = nfc_ncif_decode_rf_params (&evt_data.result.rf_tech_param, p); 741 742 evt_data.result.more = *p++; 743 (*nfc_cb.p_discv_cback) (NFC_RESULT_DEVT, &evt_data); 744 } 745 } 746 747 /******************************************************************************* 748 ** 749 ** Function nfc_ncif_proc_activate 750 ** 751 ** Description This function is called to process de-activate 752 ** response and notification 753 ** 754 ** Returns void 755 ** 756 *******************************************************************************/ 757 void nfc_ncif_proc_activate (UINT8 *p, UINT8 len) 758 { 759 tNFC_DISCOVER evt_data; 760 tNFC_INTF_PARAMS *p_intf = &evt_data.activate.intf_param; 761 tNFC_INTF_PA_ISO_DEP *p_pa_iso; 762 tNFC_INTF_LB_ISO_DEP *p_lb_iso; 763 tNFC_INTF_PB_ISO_DEP *p_pb_iso; 764 #if (NFC_RW_ONLY == FALSE) 765 tNFC_INTF_PA_NFC_DEP *p_pa_nfc; 766 int mpl_idx = 0; 767 UINT8 gb_idx = 0, mpl; 768 #endif 769 UINT8 t0; 770 tNCI_DISCOVERY_TYPE mode; 771 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 772 UINT8 *pp, len_act; 773 UINT8 buff_size, num_buff; 774 tNFC_RF_PA_PARAMS *p_pa; 775 776 nfc_set_state (NFC_STATE_OPEN); 777 778 memset (p_intf, 0, sizeof (tNFC_INTF_PARAMS)); 779 evt_data.activate.rf_disc_id = *p++; 780 p_intf->type = *p++; 781 evt_data.activate.protocol = *p++; 782 783 if (evt_data.activate.protocol == NCI_PROTOCOL_18092_ACTIVE) 784 evt_data.activate.protocol = NCI_PROTOCOL_NFC_DEP; 785 786 evt_data.activate.rf_tech_param.mode = *p++; 787 buff_size = *p++; 788 num_buff = *p++; 789 /* fill in tNFC_activate_DEVT */ 790 p = nfc_ncif_decode_rf_params (&evt_data.activate.rf_tech_param, p); 791 792 evt_data.activate.data_mode = *p++; 793 evt_data.activate.tx_bitrate = *p++; 794 evt_data.activate.rx_bitrate = *p++; 795 mode = evt_data.activate.rf_tech_param.mode; 796 len_act = *p++; 797 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_activate:%d %d, mode:0x%02x", len, len_act, mode); 798 /* just in case the interface reports activation parameters not defined in the NCI spec */ 799 p_intf->intf_param.frame.param_len = len_act; 800 if (p_intf->intf_param.frame.param_len > NFC_MAX_RAW_PARAMS) 801 p_intf->intf_param.frame.param_len = NFC_MAX_RAW_PARAMS; 802 pp = p; 803 STREAM_TO_ARRAY (p_intf->intf_param.frame.param, pp, p_intf->intf_param.frame.param_len); 804 if (evt_data.activate.intf_param.type == NCI_INTERFACE_ISO_DEP) 805 { 806 /* Make max payload of NCI aligned to max payload of ISO-DEP for better performance */ 807 if (buff_size > NCI_ISO_DEP_MAX_INFO) 808 buff_size = NCI_ISO_DEP_MAX_INFO; 809 810 switch (mode) 811 { 812 case NCI_DISCOVERY_TYPE_POLL_A: 813 p_pa_iso = &p_intf->intf_param.pa_iso; 814 p_pa_iso->ats_res_len = *p++; 815 816 if (p_pa_iso->ats_res_len == 0) 817 break; 818 819 if (p_pa_iso->ats_res_len > NFC_MAX_ATS_LEN) 820 p_pa_iso->ats_res_len = NFC_MAX_ATS_LEN; 821 STREAM_TO_ARRAY (p_pa_iso->ats_res, p, p_pa_iso->ats_res_len); 822 pp = &p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 823 t0 = p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 824 pp++; /* T0 */ 825 if (t0 & NCI_ATS_TA_MASK) 826 pp++; /* TA */ 827 if (t0 & NCI_ATS_TB_MASK) 828 { 829 /* FWI (Frame Waiting time Integer) & SPGI (Start-up Frame Guard time Integer) */ 830 p_pa_iso->fwi = (((*pp) >> 4) & 0x0F); 831 p_pa_iso->sfgi = ((*pp) & 0x0F); 832 pp++; /* TB */ 833 } 834 if (t0 & NCI_ATS_TC_MASK) 835 { 836 p_pa_iso->nad_used = ((*pp) & 0x01); 837 pp++; /* TC */ 838 } 839 p_pa_iso->his_byte_len = (UINT8) (p_pa_iso->ats_res_len - (pp - p_pa_iso->ats_res)); 840 memcpy (p_pa_iso->his_byte, pp, p_pa_iso->his_byte_len); 841 break; 842 843 case NCI_DISCOVERY_TYPE_LISTEN_A: 844 p_intf->intf_param.la_iso.rats = *p++; 845 break; 846 847 case NCI_DISCOVERY_TYPE_POLL_B: 848 /* ATTRIB RSP 849 Byte 1 Byte 2 ~ 2+n-1 850 MBLI/DID Higher layer - Response 851 */ 852 p_pb_iso = &p_intf->intf_param.pb_iso; 853 p_pb_iso->attrib_res_len = *p++; 854 855 if (p_pb_iso->attrib_res_len == 0) 856 break; 857 858 if (p_pb_iso->attrib_res_len > NFC_MAX_ATTRIB_LEN) 859 p_pb_iso->attrib_res_len = NFC_MAX_ATTRIB_LEN; 860 STREAM_TO_ARRAY (p_pb_iso->attrib_res, p, p_pb_iso->attrib_res_len); 861 p_pb_iso->mbli = (p_pb_iso->attrib_res[0]) >> 4; 862 if (p_pb_iso->attrib_res_len > NFC_PB_ATTRIB_REQ_FIXED_BYTES) 863 { 864 p_pb_iso->hi_info_len = p_pb_iso->attrib_res_len - NFC_PB_ATTRIB_REQ_FIXED_BYTES; 865 if (p_pb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 866 p_pb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 867 memcpy (p_pb_iso->hi_info, &p_pb_iso->attrib_res[NFC_PB_ATTRIB_REQ_FIXED_BYTES], p_pb_iso->hi_info_len); 868 } 869 break; 870 871 case NCI_DISCOVERY_TYPE_LISTEN_B: 872 /* ATTRIB CMD 873 Byte 2~5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 ~ 10+k-1 874 NFCID0 Param 1 Param 2 Param 3 Param 4 Higher layer - INF 875 */ 876 p_lb_iso = &p_intf->intf_param.lb_iso; 877 p_lb_iso->attrib_req_len = *p++; 878 879 if (p_lb_iso->attrib_req_len == 0) 880 break; 881 882 if (p_lb_iso->attrib_req_len > NFC_MAX_ATTRIB_LEN) 883 p_lb_iso->attrib_req_len = NFC_MAX_ATTRIB_LEN; 884 STREAM_TO_ARRAY (p_lb_iso->attrib_req, p, p_lb_iso->attrib_req_len); 885 memcpy (p_lb_iso->nfcid0, p_lb_iso->attrib_req, NFC_NFCID0_MAX_LEN); 886 if (p_lb_iso->attrib_req_len > NFC_LB_ATTRIB_REQ_FIXED_BYTES) 887 { 888 p_lb_iso->hi_info_len = p_lb_iso->attrib_req_len - NFC_LB_ATTRIB_REQ_FIXED_BYTES; 889 if (p_lb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 890 p_lb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 891 memcpy (p_lb_iso->hi_info, &p_lb_iso->attrib_req[NFC_LB_ATTRIB_REQ_FIXED_BYTES], p_lb_iso->hi_info_len); 892 } 893 break; 894 } 895 896 } 897 #if (NFC_RW_ONLY == FALSE) 898 else if (evt_data.activate.intf_param.type == NCI_INTERFACE_NFC_DEP) 899 { 900 /* Make max payload of NCI aligned to max payload of NFC-DEP for better performance */ 901 if (buff_size > NCI_NFC_DEP_MAX_DATA) 902 buff_size = NCI_NFC_DEP_MAX_DATA; 903 904 p_pa_nfc = &p_intf->intf_param.pa_nfc; 905 p_pa_nfc->atr_res_len = *p++; 906 907 if (p_pa_nfc->atr_res_len > 0) 908 { 909 if (p_pa_nfc->atr_res_len > NFC_MAX_ATS_LEN) 910 p_pa_nfc->atr_res_len = NFC_MAX_ATS_LEN; 911 STREAM_TO_ARRAY (p_pa_nfc->atr_res, p, p_pa_nfc->atr_res_len); 912 if ( (mode == NCI_DISCOVERY_TYPE_POLL_A) 913 ||(mode == NCI_DISCOVERY_TYPE_POLL_F) 914 ||(mode == NCI_DISCOVERY_TYPE_POLL_A_ACTIVE) 915 ||(mode == NCI_DISCOVERY_TYPE_POLL_F_ACTIVE) ) 916 { 917 /* ATR_RES 918 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17 Byte 18~18+n 919 NFCID3T DIDT BST BRT TO PPT [GT0 ... GTn] */ 920 mpl_idx = 14; 921 gb_idx = NCI_P_GEN_BYTE_INDEX; 922 p_pa_nfc->waiting_time = p_pa_nfc->atr_res[NCI_L_NFC_DEP_TO_INDEX] & 0x0F; 923 } 924 else if ( (mode == NCI_DISCOVERY_TYPE_LISTEN_A) 925 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F) 926 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE) 927 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE) ) 928 { 929 /* ATR_REQ 930 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17~17+n 931 NFCID3I DIDI BSI BRI PPI [GI0 ... GIn] */ 932 mpl_idx = 13; 933 gb_idx = NCI_L_GEN_BYTE_INDEX; 934 } 935 936 mpl = ((p_pa_nfc->atr_res[mpl_idx]) >> 4) & 0x03; 937 p_pa_nfc->max_payload_size = nfc_mpl_code_to_size[mpl]; 938 if (p_pa_nfc->atr_res_len > gb_idx) 939 { 940 p_pa_nfc->gen_bytes_len = p_pa_nfc->atr_res_len - gb_idx; 941 if (p_pa_nfc->gen_bytes_len > NFC_MAX_GEN_BYTES_LEN) 942 p_pa_nfc->gen_bytes_len = NFC_MAX_GEN_BYTES_LEN; 943 memcpy (p_pa_nfc->gen_bytes, &p_pa_nfc->atr_res[gb_idx], p_pa_nfc->gen_bytes_len); 944 } 945 } 946 } 947 #endif 948 else if ((evt_data.activate.intf_param.type == NCI_INTERFACE_FRAME) && (evt_data.activate.protocol == NCI_PROTOCOL_T1T) ) 949 { 950 p_pa = &evt_data.activate.rf_tech_param.param.pa; 951 if ((len_act == NCI_T1T_HR_LEN) && (p_pa->hr_len == 0)) 952 { 953 p_pa->hr_len = NCI_T1T_HR_LEN; 954 p_pa->hr[0] = *p++; 955 p_pa->hr[1] = *p++; 956 } 957 } 958 959 p_cb->act_protocol = evt_data.activate.protocol; 960 p_cb->buff_size = buff_size; 961 p_cb->num_buff = num_buff; 962 p_cb->init_credits = num_buff; 963 964 if (nfc_cb.p_discv_cback) 965 { 966 (*nfc_cb.p_discv_cback) (NFC_ACTIVATE_DEVT, &evt_data); 967 } 968 } 969 970 /******************************************************************************* 971 ** 972 ** Function nfc_ncif_proc_deactivate 973 ** 974 ** Description This function is called to process de-activate 975 ** response and notification 976 ** 977 ** Returns void 978 ** 979 *******************************************************************************/ 980 void nfc_ncif_proc_deactivate (UINT8 status, UINT8 deact_type, BOOLEAN is_ntf) 981 { 982 tNFC_DISCOVER evt_data; 983 tNFC_DEACTIVATE_DEVT *p_deact; 984 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 985 void *p_data; 986 987 nfc_set_state (NFC_STATE_IDLE); 988 p_deact = &evt_data.deactivate; 989 p_deact->status = status; 990 p_deact->type = deact_type; 991 p_deact->is_ntf = is_ntf; 992 993 while ((p_data = GKI_dequeue (&p_cb->rx_q)) != NULL) 994 { 995 GKI_freebuf (p_data); 996 } 997 998 while ((p_data = GKI_dequeue (&p_cb->tx_q)) != NULL) 999 { 1000 GKI_freebuf (p_data); 1001 } 1002 1003 if (p_cb->p_cback) 1004 (*p_cb->p_cback) (NFC_RF_CONN_ID, NFC_DEACTIVATE_CEVT, (tNFC_CONN *) p_deact); 1005 1006 if (nfc_cb.p_discv_cback) 1007 { 1008 (*nfc_cb.p_discv_cback) (NFC_DEACTIVATE_DEVT, &evt_data); 1009 } 1010 } 1011 /******************************************************************************* 1012 ** 1013 ** Function nfc_ncif_proc_ee_action 1014 ** 1015 ** Description This function is called to process NFCEE ACTION NTF 1016 ** 1017 ** Returns void 1018 ** 1019 *******************************************************************************/ 1020 #if ((NFC_NFCEE_INCLUDED == TRUE) && (NFC_RW_ONLY == FALSE)) 1021 void nfc_ncif_proc_ee_action (UINT8 *p, UINT16 plen) 1022 { 1023 tNFC_EE_ACTION_REVT evt_data; 1024 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1025 UINT8 data_len, ulen, tag, *p_data; 1026 UINT8 max_len; 1027 1028 if (p_cback) 1029 { 1030 memset (&evt_data.act_data, 0, sizeof (tNFC_ACTION_DATA)); 1031 evt_data.status = NFC_STATUS_OK; 1032 evt_data.nfcee_id = *p++; 1033 evt_data.act_data.trigger = *p++; 1034 data_len = *p++; 1035 if (plen >= 3) 1036 plen -= 3; 1037 if (data_len > plen) 1038 data_len = (UINT8) plen; 1039 1040 switch (evt_data.act_data.trigger) 1041 { 1042 case NCI_EE_TRIG_7816_SELECT: 1043 if (data_len > NFC_MAX_AID_LEN) 1044 data_len = NFC_MAX_AID_LEN; 1045 evt_data.act_data.param.aid.len_aid = data_len; 1046 STREAM_TO_ARRAY (evt_data.act_data.param.aid.aid, p, data_len); 1047 break; 1048 case NCI_EE_TRIG_RF_PROTOCOL: 1049 evt_data.act_data.param.protocol = *p++; 1050 break; 1051 case NCI_EE_TRIG_RF_TECHNOLOGY: 1052 evt_data.act_data.param.technology = *p++; 1053 break; 1054 case NCI_EE_TRIG_APP_INIT: 1055 while (data_len > NFC_TL_SIZE) 1056 { 1057 data_len -= NFC_TL_SIZE; 1058 tag = *p++; 1059 ulen = *p++; 1060 if (ulen > data_len) 1061 ulen = data_len; 1062 p_data = NULL; 1063 max_len = ulen; 1064 switch (tag) 1065 { 1066 case NCI_EE_ACT_TAG_AID: /* AID */ 1067 if (max_len > NFC_MAX_AID_LEN) 1068 max_len = NFC_MAX_AID_LEN; 1069 evt_data.act_data.param.app_init.len_aid = max_len; 1070 p_data = evt_data.act_data.param.app_init.aid; 1071 break; 1072 case NCI_EE_ACT_TAG_DATA: /* hex data for app */ 1073 if (max_len > NFC_MAX_APP_DATA_LEN) 1074 max_len = NFC_MAX_APP_DATA_LEN; 1075 evt_data.act_data.param.app_init.len_data = max_len; 1076 p_data = evt_data.act_data.param.app_init.data; 1077 break; 1078 } 1079 if (p_data) 1080 { 1081 STREAM_TO_ARRAY (p_data, p, max_len); 1082 } 1083 data_len -= ulen; 1084 } 1085 break; 1086 } 1087 (*p_cback) (NFC_EE_ACTION_REVT, (tNFC_RESPONSE *) &evt_data); 1088 } 1089 } 1090 1091 /******************************************************************************* 1092 ** 1093 ** Function nfc_ncif_proc_ee_discover_req 1094 ** 1095 ** Description This function is called to process NFCEE DISCOVER REQ NTF 1096 ** 1097 ** Returns void 1098 ** 1099 *******************************************************************************/ 1100 void nfc_ncif_proc_ee_discover_req (UINT8 *p, UINT16 plen) 1101 { 1102 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1103 tNFC_EE_DISCOVER_REQ_REVT ee_disc_req; 1104 tNFC_EE_DISCOVER_INFO *p_info; 1105 UINT8 u8; 1106 1107 NFC_TRACE_DEBUG2 ("nfc_ncif_proc_ee_discover_req %d len:%d", *p, plen); 1108 if (p_cback) 1109 { 1110 u8 = *p; 1111 ee_disc_req.status = NFC_STATUS_OK; 1112 ee_disc_req.num_info = *p++; 1113 p_info = ee_disc_req.info; 1114 if (plen) 1115 plen--; 1116 while ((u8 > 0) && (plen >= NFC_EE_DISCOVER_ENTRY_LEN)) 1117 { 1118 p_info->op = *p++; /* T */ 1119 if (*p != NFC_EE_DISCOVER_INFO_LEN)/* L */ 1120 { 1121 NFC_TRACE_DEBUG1 ("bad entry len:%d", *p ); 1122 return; 1123 } 1124 p++; 1125 /* V */ 1126 p_info->nfcee_id = *p++; 1127 p_info->tech_n_mode = *p++; 1128 p_info->protocol = *p++; 1129 u8--; 1130 plen -=NFC_EE_DISCOVER_ENTRY_LEN; 1131 p_info++; 1132 } 1133 (*p_cback) (NFC_EE_DISCOVER_REQ_REVT, (tNFC_RESPONSE *) &ee_disc_req); 1134 } 1135 1136 } 1137 1138 /******************************************************************************* 1139 ** 1140 ** Function nfc_ncif_proc_get_routing 1141 ** 1142 ** Description This function is called to process get routing notification 1143 ** 1144 ** Returns void 1145 ** 1146 *******************************************************************************/ 1147 void nfc_ncif_proc_get_routing (UINT8 *p, UINT8 len) 1148 { 1149 tNFC_GET_ROUTING_REVT evt_data; 1150 UINT8 more, num_entries, xx, yy, *pn, tl; 1151 tNFC_STATUS status = NFC_STATUS_CONTINUE; 1152 1153 if (nfc_cb.p_resp_cback) 1154 { 1155 more = *p++; 1156 num_entries = *p++; 1157 for (xx = 0; xx < num_entries; xx++) 1158 { 1159 if ((more == FALSE) && (xx == (num_entries - 1))) 1160 status = NFC_STATUS_OK; 1161 evt_data.status = (tNFC_STATUS) status; 1162 evt_data.nfcee_id = *p++; 1163 evt_data.num_tlvs = *p++; 1164 evt_data.tlv_size = 0; 1165 pn = evt_data.param_tlvs; 1166 for (yy = 0; yy < evt_data.num_tlvs; yy++) 1167 { 1168 tl = *(p+1); 1169 tl += NFC_TL_SIZE; 1170 STREAM_TO_ARRAY (pn, p, tl); 1171 evt_data.tlv_size += tl; 1172 pn += tl; 1173 } 1174 (*nfc_cb.p_resp_cback) (NFC_GET_ROUTING_REVT, (tNFC_RESPONSE *) &evt_data); 1175 } 1176 } 1177 } 1178 #endif 1179 1180 /******************************************************************************* 1181 ** 1182 ** Function nfc_ncif_proc_conn_create_rsp 1183 ** 1184 ** Description This function is called to process connection create 1185 ** response 1186 ** 1187 ** Returns void 1188 ** 1189 *******************************************************************************/ 1190 void nfc_ncif_proc_conn_create_rsp (UINT8 *p, UINT16 plen, UINT8 dest_type) 1191 { 1192 tNFC_CONN_CB * p_cb; 1193 tNFC_STATUS status; 1194 tNFC_CONN_CBACK *p_cback; 1195 tNFC_CONN evt_data; 1196 UINT8 conn_id; 1197 1198 /* find the pending connection control block */ 1199 p_cb = nfc_find_conn_cb_by_conn_id (NFC_PEND_CONN_ID); 1200 if (p_cb) 1201 { 1202 p += NCI_MSG_HDR_SIZE; 1203 status = *p++; 1204 p_cb->buff_size = *p++; 1205 p_cb->num_buff = p_cb->init_credits = *p++; 1206 conn_id = *p++; 1207 evt_data.conn_create.status = status; 1208 evt_data.conn_create.dest_type = dest_type; 1209 evt_data.conn_create.id = p_cb->id; 1210 evt_data.conn_create.buff_size = p_cb->buff_size; 1211 evt_data.conn_create.num_buffs = p_cb->num_buff; 1212 p_cback = p_cb->p_cback; 1213 if (status == NCI_STATUS_OK) 1214 { 1215 nfc_set_conn_id (p_cb, conn_id); 1216 } 1217 else 1218 { 1219 nfc_free_conn_cb (p_cb); 1220 } 1221 1222 1223 if (p_cback) 1224 (*p_cback) (conn_id, NFC_CONN_CREATE_CEVT, &evt_data); 1225 } 1226 } 1227 1228 /******************************************************************************* 1229 ** 1230 ** Function nfc_ncif_report_conn_close_evt 1231 ** 1232 ** Description This function is called to report connection close event 1233 ** 1234 ** Returns void 1235 ** 1236 *******************************************************************************/ 1237 void nfc_ncif_report_conn_close_evt (UINT8 conn_id, tNFC_STATUS status) 1238 { 1239 tNFC_CONN evt_data; 1240 tNFC_CONN_CBACK *p_cback; 1241 tNFC_CONN_CB *p_cb; 1242 1243 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1244 if (p_cb) 1245 { 1246 p_cback = p_cb->p_cback; 1247 nfc_free_conn_cb (p_cb); 1248 evt_data.status = status; 1249 if (p_cback) 1250 (*p_cback) (conn_id, NFC_CONN_CLOSE_CEVT, &evt_data); 1251 } 1252 } 1253 1254 /******************************************************************************* 1255 ** 1256 ** Function nfc_ncif_proc_reset_rsp 1257 ** 1258 ** Description This function is called to process reset response/notification 1259 ** 1260 ** Returns void 1261 ** 1262 *******************************************************************************/ 1263 void nfc_ncif_proc_reset_rsp (UINT8 *p, BOOLEAN is_ntf) 1264 { 1265 UINT8 status = *p++; 1266 1267 if (is_ntf) 1268 { 1269 NFC_TRACE_ERROR1 ("reset notification!!:0x%x ", status); 1270 /* clean up, if the state is OPEN 1271 * FW does not report reset ntf right now */ 1272 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 1273 { 1274 /*if any conn_cb is connected, close it. 1275 if any pending outgoing packets are dropped.*/ 1276 nfc_reset_all_conn_cbs (); 1277 } 1278 status = NCI_STATUS_OK; 1279 } 1280 1281 if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC)) 1282 { 1283 nfc_reset_all_conn_cbs (); 1284 } 1285 1286 if (status == NCI_STATUS_OK) 1287 { 1288 if ((*p) != NCI_VERSION) 1289 { 1290 NFC_TRACE_DEBUG2 ("NCI version mismatch!!:0x%02x != 0x%02x ", NCI_VERSION, *p); 1291 if ((*p) < NCI_VERSION_0_F) 1292 { 1293 NFC_TRACE_ERROR0 ("NFCC version is too old"); 1294 status = NCI_STATUS_FAILED; 1295 } 1296 } 1297 } 1298 1299 if (status == NCI_STATUS_OK) 1300 { 1301 nci_snd_core_init (); 1302 } 1303 else 1304 { 1305 NFC_TRACE_ERROR0 ("Failed to reset NFCC"); 1306 nfc_enabled (status, NULL); 1307 } 1308 } 1309 1310 /******************************************************************************* 1311 ** 1312 ** Function nfc_ncif_proc_init_rsp 1313 ** 1314 ** Description This function is called to process init response 1315 ** 1316 ** Returns void 1317 ** 1318 *******************************************************************************/ 1319 void nfc_ncif_proc_init_rsp (BT_HDR *p_msg) 1320 { 1321 UINT8 *p, status; 1322 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 1323 1324 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 1325 1326 /* handle init params in nfc_enabled */ 1327 status = *(p + NCI_MSG_HDR_SIZE); 1328 if (status == NCI_STATUS_OK) 1329 { 1330 p_cb->id = NFC_RF_CONN_ID; 1331 p_cb->act_protocol = NCI_PROTOCOL_UNKNOWN; 1332 1333 nfc_set_state (NFC_STATE_W4_POST_INIT_CPLT); 1334 1335 nfc_cb.p_nci_init_rsp = p_msg; 1336 nfc_cb.p_hal->core_initialized (p); 1337 } 1338 else 1339 { 1340 nfc_enabled (status, NULL); 1341 GKI_freebuf (p_msg); 1342 } 1343 } 1344 1345 /******************************************************************************* 1346 ** 1347 ** Function nfc_ncif_proc_get_config_rsp 1348 ** 1349 ** Description This function is called to process get config response 1350 ** 1351 ** Returns void 1352 ** 1353 *******************************************************************************/ 1354 void nfc_ncif_proc_get_config_rsp (BT_HDR *p_evt) 1355 { 1356 UINT8 *p; 1357 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1358 tNFC_RESPONSE evt_data; 1359 1360 p_evt->offset += NCI_MSG_HDR_SIZE; 1361 p_evt->len -= NCI_MSG_HDR_SIZE; 1362 if (p_cback) 1363 { 1364 p = (UINT8 *) (p_evt + 1) + p_evt->offset; 1365 evt_data.get_config.status = *p++; 1366 evt_data.get_config.tlv_size = p_evt->len; 1367 evt_data.get_config.p_param_tlvs = p; 1368 (*p_cback) (NFC_GET_CONFIG_REVT, &evt_data); 1369 } 1370 } 1371 1372 /******************************************************************************* 1373 ** 1374 ** Function nfc_ncif_proc_t3t_polling_ntf 1375 ** 1376 ** Description Handle NCI_MSG_RF_T3T_POLLING NTF 1377 ** 1378 ** Returns void 1379 ** 1380 *******************************************************************************/ 1381 void nfc_ncif_proc_t3t_polling_ntf (UINT8 *p, UINT16 plen) 1382 { 1383 UINT8 status; 1384 UINT8 num_responses; 1385 1386 /* Pass result to RW_T3T for processing */ 1387 STREAM_TO_UINT8 (status, p); 1388 STREAM_TO_UINT8 (num_responses, p); 1389 plen-=NFC_TL_SIZE; 1390 rw_t3t_handle_nci_poll_ntf (status, num_responses, (UINT8) plen, p); 1391 } 1392 1393 /******************************************************************************* 1394 ** 1395 ** Function nfc_data_event 1396 ** 1397 ** Description Report Data event on the given connection control block 1398 ** 1399 ** Returns void 1400 ** 1401 *******************************************************************************/ 1402 void nfc_data_event (tNFC_CONN_CB * p_cb) 1403 { 1404 BT_HDR *p_evt; 1405 tNFC_DATA_CEVT data_cevt; 1406 UINT8 *p; 1407 1408 if (p_cb->p_cback) 1409 { 1410 while ((p_evt = (BT_HDR *)GKI_getfirst (&p_cb->rx_q)) != NULL) 1411 { 1412 if (p_evt->layer_specific & NFC_RAS_FRAGMENTED) 1413 { 1414 break; 1415 } 1416 p_evt = (BT_HDR *) GKI_dequeue (&p_cb->rx_q); 1417 /* report data event */ 1418 p_evt->offset += NCI_MSG_HDR_SIZE; 1419 p_evt->len -= NCI_MSG_HDR_SIZE; 1420 if (p_evt->layer_specific) 1421 data_cevt.status = NFC_STATUS_BAD_LENGTH; 1422 else 1423 data_cevt.status = NFC_STATUS_OK; 1424 data_cevt.p_data = p_evt; 1425 /* adjust payload, if needed */ 1426 if (p_cb->conn_id == NFC_RF_CONN_ID) 1427 { 1428 /* if NCI_PROTOCOL_T1T/NCI_PROTOCOL_T2T/NCI_PROTOCOL_T3T, the status byte needs to be removed 1429 */ 1430 if ((p_cb->act_protocol >= NCI_PROTOCOL_T1T) && (p_cb->act_protocol <= NCI_PROTOCOL_T3T)) 1431 { 1432 p_evt->len--; 1433 p = (UINT8 *) (p_evt + 1); 1434 data_cevt.status = *(p + p_evt->offset + p_evt->len); 1435 } 1436 } 1437 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_CEVT, (tNFC_CONN *) &data_cevt); 1438 p_evt = NULL; 1439 } 1440 } 1441 } 1442 1443 /******************************************************************************* 1444 ** 1445 ** Function nfc_ncif_proc_data 1446 ** 1447 ** Description Find the connection control block associated with the data 1448 ** packet. Assemble the data packet, if needed. 1449 ** Report the Data event. 1450 ** 1451 ** Returns void 1452 ** 1453 *******************************************************************************/ 1454 void nfc_ncif_proc_data (BT_HDR *p_msg) 1455 { 1456 UINT8 *pp, cid; 1457 tNFC_CONN_CB * p_cb; 1458 UINT8 pbf; 1459 BT_HDR *p_last; 1460 UINT8 *ps, *pd; 1461 UINT16 size; 1462 BT_HDR *p_max = NULL; 1463 UINT16 len; 1464 UINT16 error_mask = 0; 1465 1466 pp = (UINT8 *) (p_msg+1) + p_msg->offset; 1467 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_data 0x%02x%02x%02x", pp[0], pp[1], pp[2]); 1468 NCI_DATA_PRS_HDR (pp, pbf, cid, len); 1469 p_cb = nfc_find_conn_cb_by_conn_id (cid); 1470 if (p_cb && (p_msg->len >= NCI_DATA_HDR_SIZE)) 1471 { 1472 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", len); 1473 if (len > 0) 1474 { 1475 p_msg->layer_specific = 0; 1476 if (pbf) 1477 p_msg->layer_specific = NFC_RAS_FRAGMENTED; 1478 p_last = (BT_HDR *)GKI_getlast (&p_cb->rx_q); 1479 if (p_last && (p_last->layer_specific & NFC_RAS_FRAGMENTED)) 1480 { 1481 /* last data buffer is not last fragment, append this new packet to the last */ 1482 size = GKI_get_buf_size(p_last); 1483 if (size < (BT_HDR_SIZE + p_last->len + p_last->offset + len)) 1484 { 1485 /* the current size of p_last is not big enough to hold the new fragment, p_msg */ 1486 if (size != GKI_MAX_BUF_SIZE) 1487 { 1488 /* try the biggest GKI pool */ 1489 p_max = (BT_HDR *)GKI_getpoolbuf (GKI_MAX_BUF_SIZE_POOL_ID); 1490 if (p_max) 1491 { 1492 /* copy the content of last buffer to the new buffer */ 1493 memcpy(p_max, p_last, BT_HDR_SIZE); 1494 pd = (UINT8 *)(p_max + 1) + p_max->offset; 1495 ps = (UINT8 *)(p_last + 1) + p_last->offset; 1496 memcpy(pd, ps, p_last->len); 1497 1498 /* place the new buffer in the queue instead */ 1499 GKI_remove_from_queue (&p_cb->rx_q, p_last); 1500 GKI_freebuf (p_last); 1501 GKI_enqueue (&p_cb->rx_q, p_max); 1502 p_last = p_max; 1503 } 1504 } 1505 if (p_max == NULL) 1506 { 1507 p_last->layer_specific |= NFC_RAS_TOO_BIG; 1508 NFC_TRACE_ERROR1 ("nci_reassemble_msg buffer overrun(%d)!!", len); 1509 } 1510 } 1511 1512 ps = (UINT8 *)(p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE; 1513 len = p_msg->len - NCI_MSG_HDR_SIZE; 1514 if ((p_last->layer_specific & NFC_RAS_TOO_BIG) == 0) 1515 { 1516 pd = (UINT8 *)(p_last + 1) + p_last->offset + p_last->len; 1517 memcpy(pd, ps, len); 1518 p_last->len += len; 1519 /* do not need to update pbf and len in NCI header. 1520 * They are stripped off at NFC_DATA_CEVT and len may exceed 255 */ 1521 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", p_last->len); 1522 } 1523 1524 error_mask = (p_last->layer_specific & NFC_RAS_TOO_BIG); 1525 p_last->layer_specific = (p_msg->layer_specific | error_mask); 1526 GKI_freebuf (p_msg); 1527 #ifdef DISP_NCI 1528 if ((p_last->layer_specific & NFC_RAS_FRAGMENTED) == 0) 1529 { 1530 /* this packet was reassembled. display the complete packet */ 1531 DISP_NCI ((UINT8 *)(p_last + 1) + p_last->offset, p_last->len, TRUE); 1532 } 1533 #endif 1534 } 1535 else 1536 { 1537 /* if this is the first fragment on RF link */ 1538 if ( (p_msg->layer_specific & NFC_RAS_FRAGMENTED) 1539 &&(p_cb->conn_id == NFC_RF_CONN_ID) 1540 &&(p_cb->p_cback) ) 1541 { 1542 /* Indicate upper layer that local device started receiving data */ 1543 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_START_CEVT, NULL); 1544 } 1545 /* enqueue the new buffer to the rx queue */ 1546 GKI_enqueue (&p_cb->rx_q, p_msg); 1547 } 1548 nfc_data_event (p_cb); 1549 return; 1550 } 1551 /* else an empty data packet*/ 1552 } 1553 GKI_freebuf (p_msg); 1554 } 1555 1556 #endif /* NFC_INCLUDED == TRUE*/ 1557
