1 /****************************************************************************** 2 * 3 * Copyright (C) 1999-2014 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 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 <stdlib.h> 28 #include <string.h> 29 #include "nfc_target.h" 30 31 #if NFC_INCLUDED == TRUE 32 #include "nfc_hal_api.h" 33 #include "nfc_api.h" 34 #include "nci_defs.h" 35 #include "nci_hmsgs.h" 36 #include "nfc_int.h" 37 #include "rw_api.h" 38 #include "rw_int.h" 39 #include "hcidefs.h" 40 #include "nfc_hal_api.h" 41 42 #if (NFC_RW_ONLY == FALSE) 43 static const UINT8 nfc_mpl_code_to_size[] = 44 {64, 128, 192, 254}; 45 46 #endif /* NFC_RW_ONLY */ 47 48 49 #define NFC_PB_ATTRIB_REQ_FIXED_BYTES 1 50 #define NFC_LB_ATTRIB_REQ_FIXED_BYTES 8 51 52 53 /******************************************************************************* 54 ** 55 ** Function nfc_ncif_update_window 56 ** 57 ** Description Update tx cmd window to indicate that NFCC can received 58 ** 59 ** Returns void 60 ** 61 *********************************************************************************/ 62 void nfc_ncif_update_window (void) 63 { 64 /* Sanity check - see if we were expecting a update_window */ 65 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 66 { 67 if (nfc_cb.nfc_state != NFC_STATE_W4_HAL_CLOSE) 68 { 69 NFC_TRACE_ERROR0("nfc_ncif_update_window: Unexpected call"); 70 } 71 return; 72 } 73 74 /* Stop command-pending timer */ 75 nfc_stop_timer (&nfc_cb.nci_wait_rsp_timer); 76 77 nfc_cb.p_vsc_cback = NULL; 78 nfc_cb.nci_cmd_window++; 79 80 /* Check if there were any commands waiting to be sent */ 81 nfc_ncif_check_cmd_queue (NULL); 82 } 83 84 /******************************************************************************* 85 ** 86 ** Function nfc_ncif_cmd_timeout 87 ** 88 ** Description Handle a command timeout 89 ** 90 ** Returns void 91 ** 92 *******************************************************************************/ 93 void nfc_ncif_cmd_timeout (void) 94 { 95 NFC_TRACE_ERROR0 ("nfc_ncif_cmd_timeout"); 96 97 /* report an error */ 98 nfc_ncif_event_status(NFC_GEN_ERROR_REVT, NFC_STATUS_HW_TIMEOUT); 99 nfc_ncif_event_status(NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); 100 101 /* if enabling NFC, notify upper layer of failure */ 102 if (nfc_cb.nfc_state == NFC_STATE_CORE_INIT) 103 { 104 nfc_enabled (NFC_STATUS_FAILED, NULL); 105 } 106 107 /* XXX maco since this failure is unrecoverable, abort the 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 if (p->len) 214 { 215 pp = (UINT8 *)(p + 1) + p->offset; 216 ps = (UINT8 *)(p_data + 1) + p_data->offset; 217 memcpy (pp, ps, ulen); 218 } 219 /* adjust the BT_HDR on the old fragment */ 220 p_data->len -= ulen; 221 p_data->offset += ulen; 222 } 223 224 p->event = BT_EVT_TO_NFC_NCI; 225 p->layer_specific = pbf; 226 p->len += NCI_DATA_HDR_SIZE; 227 p->offset -= NCI_DATA_HDR_SIZE; 228 pp = (UINT8 *)(p + 1) + p->offset; 229 /* build NCI Data packet header */ 230 NCI_DATA_PBLD_HDR(pp, pbf, hdr0, ulen); 231 232 if (p_cb->num_buff != NFC_CONN_NO_FC) 233 p_cb->num_buff--; 234 235 /* send to HAL */ 236 HAL_WRITE(p); 237 238 if (!fragmented) 239 { 240 /* check if there are more data to send */ 241 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 242 } 243 } 244 245 return (NCI_STATUS_OK); 246 } 247 248 /******************************************************************************* 249 ** 250 ** Function nfc_ncif_check_cmd_queue 251 ** 252 ** Description Send NCI command to the transport 253 ** 254 ** Returns void 255 ** 256 *******************************************************************************/ 257 void nfc_ncif_check_cmd_queue (BT_HDR *p_buf) 258 { 259 UINT8 *ps; 260 /* If there are commands waiting in the xmit queue, or if the controller cannot accept any more commands, */ 261 /* then enqueue this command */ 262 if (p_buf) 263 { 264 if ((nfc_cb.nci_cmd_xmit_q.count) || (nfc_cb.nci_cmd_window == 0)) 265 { 266 GKI_enqueue (&nfc_cb.nci_cmd_xmit_q, p_buf); 267 p_buf = NULL; 268 } 269 } 270 271 /* If controller can accept another command, then send the next command */ 272 if (nfc_cb.nci_cmd_window > 0) 273 { 274 /* If no command was provided, or if older commands were in the queue, then get cmd from the queue */ 275 if (!p_buf) 276 p_buf = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q); 277 278 if (p_buf) 279 { 280 /* save the message header to double check the response */ 281 ps = (UINT8 *)(p_buf + 1) + p_buf->offset; 282 memcpy(nfc_cb.last_hdr, ps, NFC_SAVED_HDR_SIZE); 283 memcpy(nfc_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_SAVED_CMD_SIZE); 284 if (p_buf->layer_specific == NFC_WAIT_RSP_VSC) 285 { 286 /* save the callback for NCI VSCs) */ 287 nfc_cb.p_vsc_cback = (void *)((tNFC_NCI_VS_MSG *)p_buf)->p_cback; 288 } 289 290 /* send to HAL */ 291 HAL_WRITE(p_buf); 292 293 /* Indicate command is pending */ 294 nfc_cb.nci_cmd_window--; 295 296 /* start NFC command-timeout timer */ 297 nfc_start_timer (&nfc_cb.nci_wait_rsp_timer, (UINT16)(NFC_TTYPE_NCI_WAIT_RSP), nfc_cb.nci_wait_rsp_tout); 298 } 299 } 300 301 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 302 { 303 /* the command queue must be empty now */ 304 if (nfc_cb.flags & NFC_FL_CONTROL_REQUESTED) 305 { 306 /* HAL requested control or stack needs to handle pre-discover */ 307 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED; 308 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 309 { 310 if (nfc_cb.p_hal->prediscover ()) 311 { 312 /* HAL has the command window now */ 313 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 314 nfc_cb.nci_cmd_window = 0; 315 } 316 else 317 { 318 /* HAL does not need to send command, 319 * - restore the command window and issue the discovery command now */ 320 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 321 ps = (UINT8 *)nfc_cb.p_disc_pending; 322 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); 323 GKI_freebuf (nfc_cb.p_disc_pending); 324 nfc_cb.p_disc_pending = NULL; 325 } 326 } 327 else if (nfc_cb.flags & NFC_FL_HAL_REQUESTED) 328 { 329 /* grant the control to HAL */ 330 nfc_cb.flags &= ~NFC_FL_HAL_REQUESTED; 331 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 332 nfc_cb.nci_cmd_window = 0; 333 nfc_cb.p_hal->control_granted (); 334 } 335 } 336 } 337 } 338 339 340 /******************************************************************************* 341 ** 342 ** Function nfc_ncif_send_cmd 343 ** 344 ** Description Send NCI command to the NCIT task 345 ** 346 ** Returns void 347 ** 348 *******************************************************************************/ 349 void nfc_ncif_send_cmd (BT_HDR *p_buf) 350 { 351 /* post the p_buf to NCIT task */ 352 p_buf->event = BT_EVT_TO_NFC_NCI; 353 p_buf->layer_specific = 0; 354 nfc_ncif_check_cmd_queue (p_buf); 355 } 356 357 358 /******************************************************************************* 359 ** 360 ** Function nfc_ncif_process_event 361 ** 362 ** Description This function is called to process the data/response/notification 363 ** from NFCC 364 ** 365 ** Returns TRUE if need to free buffer 366 ** 367 *******************************************************************************/ 368 BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg) 369 { 370 UINT8 mt, pbf, gid, *p, *pp; 371 BOOLEAN free = TRUE; 372 UINT8 oid; 373 UINT8 *p_old, old_gid, old_oid, old_mt; 374 375 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 376 377 pp = p; 378 NCI_MSG_PRS_HDR0 (pp, mt, pbf, gid); 379 380 switch (mt) 381 { 382 case NCI_MT_DATA: 383 NFC_TRACE_DEBUG0 ("NFC received data"); 384 nfc_ncif_proc_data (p_msg); 385 free = FALSE; 386 break; 387 388 case NCI_MT_RSP: 389 NFC_TRACE_DEBUG1 ("NFC received rsp gid:%d", gid); 390 oid = ((*pp) & NCI_OID_MASK); 391 p_old = nfc_cb.last_hdr; 392 NCI_MSG_PRS_HDR0(p_old, old_mt, pbf, old_gid); 393 old_oid = ((*p_old) & NCI_OID_MASK); 394 /* make sure this is the RSP we are waiting for before updating the command window */ 395 if ((old_gid != gid) || (old_oid != oid)) 396 { 397 NFC_TRACE_ERROR2 ("nfc_ncif_process_event unexpected rsp: gid:0x%x, oid:0x%x", gid, oid); 398 return TRUE; 399 } 400 401 switch (gid) 402 { 403 case NCI_GID_CORE: /* 0000b NCI Core group */ 404 free = nci_proc_core_rsp (p_msg); 405 break; 406 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 407 nci_proc_rf_management_rsp (p_msg); 408 break; 409 #if (NFC_NFCEE_INCLUDED == TRUE) 410 #if (NFC_RW_ONLY == FALSE) 411 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 412 nci_proc_ee_management_rsp (p_msg); 413 break; 414 #endif 415 #endif 416 case NCI_GID_PROP: /* 1111b Proprietary */ 417 nci_proc_prop_rsp (p_msg); 418 break; 419 default: 420 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 421 break; 422 } 423 424 nfc_ncif_update_window (); 425 break; 426 427 case NCI_MT_NTF: 428 NFC_TRACE_DEBUG1 ("NFC received ntf gid:%d", gid); 429 switch (gid) 430 { 431 case NCI_GID_CORE: /* 0000b NCI Core group */ 432 nci_proc_core_ntf (p_msg); 433 break; 434 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 435 nci_proc_rf_management_ntf (p_msg); 436 break; 437 #if (NFC_NFCEE_INCLUDED == TRUE) 438 #if (NFC_RW_ONLY == FALSE) 439 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 440 nci_proc_ee_management_ntf (p_msg); 441 break; 442 #endif 443 #endif 444 case NCI_GID_PROP: /* 1111b Proprietary */ 445 nci_proc_prop_ntf (p_msg); 446 break; 447 default: 448 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 449 break; 450 } 451 break; 452 453 default: 454 NFC_TRACE_DEBUG2 ("NFC received unknown mt:0x%x, gid:%d", mt, gid); 455 } 456 457 return (free); 458 } 459 460 /******************************************************************************* 461 ** 462 ** Function nfc_ncif_rf_management_status 463 ** 464 ** Description This function is called to report an event 465 ** 466 ** Returns void 467 ** 468 *******************************************************************************/ 469 void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status) 470 { 471 tNFC_DISCOVER evt_data; 472 if (nfc_cb.p_discv_cback) 473 { 474 evt_data.status = (tNFC_STATUS) status; 475 (*nfc_cb.p_discv_cback) (event, &evt_data); 476 } 477 } 478 479 /******************************************************************************* 480 ** 481 ** Function nfc_ncif_set_config_status 482 ** 483 ** Description This function is called to report NFC_SET_CONFIG_REVT 484 ** 485 ** Returns void 486 ** 487 *******************************************************************************/ 488 void nfc_ncif_set_config_status (UINT8 *p, UINT8 len) 489 { 490 tNFC_RESPONSE evt_data; 491 if (nfc_cb.p_resp_cback) 492 { 493 evt_data.set_config.status = (tNFC_STATUS) *p++; 494 evt_data.set_config.num_param_id = NFC_STATUS_OK; 495 if (evt_data.set_config.status != NFC_STATUS_OK) 496 { 497 evt_data.set_config.num_param_id = *p++; 498 STREAM_TO_ARRAY (evt_data.set_config.param_ids, p, evt_data.set_config.num_param_id); 499 } 500 501 (*nfc_cb.p_resp_cback) (NFC_SET_CONFIG_REVT, &evt_data); 502 } 503 } 504 505 /******************************************************************************* 506 ** 507 ** Function nfc_ncif_event_status 508 ** 509 ** Description This function is called to report an event 510 ** 511 ** Returns void 512 ** 513 *******************************************************************************/ 514 void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status) 515 { 516 tNFC_RESPONSE evt_data; 517 if (nfc_cb.p_resp_cback) 518 { 519 evt_data.status = (tNFC_STATUS) status; 520 (*nfc_cb.p_resp_cback) (event, &evt_data); 521 } 522 } 523 524 /******************************************************************************* 525 ** 526 ** Function nfc_ncif_error_status 527 ** 528 ** Description This function is called to report an error event to data cback 529 ** 530 ** Returns void 531 ** 532 *******************************************************************************/ 533 void nfc_ncif_error_status (UINT8 conn_id, UINT8 status) 534 { 535 tNFC_CONN_CB * p_cb; 536 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 537 if (p_cb && p_cb->p_cback) 538 { 539 (*p_cb->p_cback) (conn_id, NFC_ERROR_CEVT, (tNFC_CONN *) &status); 540 } 541 } 542 543 /******************************************************************************* 544 ** 545 ** Function nfc_ncif_proc_rf_field_ntf 546 ** 547 ** Description This function is called to process RF field notification 548 ** 549 ** Returns void 550 ** 551 *******************************************************************************/ 552 #if (NFC_RW_ONLY == FALSE) 553 void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status) 554 { 555 tNFC_RESPONSE evt_data; 556 if (nfc_cb.p_resp_cback) 557 { 558 evt_data.status = (tNFC_STATUS) NFC_STATUS_OK; 559 evt_data.rf_field.rf_field = rf_status; 560 (*nfc_cb.p_resp_cback) (NFC_RF_FIELD_REVT, &evt_data); 561 } 562 } 563 #endif 564 565 /******************************************************************************* 566 ** 567 ** Function nfc_ncif_proc_credits 568 ** 569 ** Description This function is called to process data credits 570 ** 571 ** Returns void 572 ** 573 *******************************************************************************/ 574 void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen) 575 { 576 UINT8 num, xx; 577 tNFC_CONN_CB * p_cb; 578 579 num = *p++; 580 for (xx = 0; xx < num; xx++) 581 { 582 p_cb = nfc_find_conn_cb_by_conn_id(*p++); 583 if (p_cb && p_cb->num_buff != NFC_CONN_NO_FC) 584 { 585 p_cb->num_buff += (*p); 586 #if (BT_USE_TRACES == TRUE) 587 if (p_cb->num_buff > p_cb->init_credits) 588 { 589 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 590 { 591 /* if this happens in activated state, it's very likely that our NFCC has issues */ 592 /* However, credit may be returned after deactivation */ 593 NFC_TRACE_ERROR2( "num_buff:0x%x, init_credits:0x%x", p_cb->num_buff, p_cb->init_credits); 594 } 595 p_cb->num_buff = p_cb->init_credits; 596 } 597 #endif 598 /* check if there's nay data in tx q to be sent */ 599 nfc_ncif_send_data (p_cb, NULL); 600 } 601 p++; 602 } 603 } 604 /******************************************************************************* 605 ** 606 ** Function nfc_ncif_decode_rf_params 607 ** 608 ** Description This function is called to process the detected technology 609 ** and mode and the associated parameters for DISCOVER_NTF and 610 ** ACTIVATE_NTF 611 ** 612 ** Returns void 613 ** 614 *******************************************************************************/ 615 UINT8 * nfc_ncif_decode_rf_params (tNFC_RF_TECH_PARAMS *p_param, UINT8 *p) 616 { 617 tNFC_RF_PA_PARAMS *p_pa; 618 UINT8 len, *p_start, u8; 619 tNFC_RF_PB_PARAMS *p_pb; 620 tNFC_RF_LF_PARAMS *p_lf; 621 tNFC_RF_PF_PARAMS *p_pf; 622 tNFC_RF_PISO15693_PARAMS *p_i93; 623 624 len = *p++; 625 p_start = p; 626 memset ( &p_param->param, 0, sizeof (tNFC_RF_TECH_PARAMU)); 627 628 if ( NCI_DISCOVERY_TYPE_POLL_A == p_param->mode 629 || NCI_DISCOVERY_TYPE_POLL_A_ACTIVE == p_param->mode ) 630 { 631 p_pa = &p_param->param.pa; 632 /* 633 SENS_RES Response 2 bytes Defined in [DIGPROT] Available after Technology Detection 634 NFCID1 length 1 byte Length of NFCID1 Available after Collision Resolution 635 NFCID1 4, 7, or 10 bytes Defined in [DIGPROT]Available after Collision Resolution 636 SEL_RES Response 1 byte Defined in [DIGPROT]Available after Collision Resolution 637 HRx Length 1 Octets Length of HRx Parameters collected from the response to the T1T RID command. 638 HRx 0 or 2 Octets If present, the first byte SHALL contain HR0 and the second byte SHALL contain HR1 as defined in [DIGITAL]. 639 */ 640 STREAM_TO_ARRAY (p_pa->sens_res, p, 2); 641 p_pa->nfcid1_len = *p++; 642 if (p_pa->nfcid1_len > NCI_NFCID1_MAX_LEN) 643 p_pa->nfcid1_len = NCI_NFCID1_MAX_LEN; 644 STREAM_TO_ARRAY (p_pa->nfcid1, p, p_pa->nfcid1_len); 645 u8 = *p++; 646 if (u8) 647 p_pa->sel_rsp = *p++; 648 if (len == (7 + p_pa->nfcid1_len + u8)) /* 2(sens_res) + 1(len) + p_pa->nfcid1_len + 1(len) + u8 + hr (1:len + 2) */ 649 { 650 p_pa->hr_len = *p++; 651 if (p_pa->hr_len == NCI_T1T_HR_LEN) 652 { 653 p_pa->hr[0] = *p++; 654 p_pa->hr[1] = *p; 655 } 656 } 657 } 658 else if (NCI_DISCOVERY_TYPE_POLL_B == p_param->mode) 659 { 660 /* 661 SENSB_RES Response length (n) 1 byte Length of SENSB_RES Response (Byte 2 - Byte 12 or 13)Available after Technology Detection 662 SENSB_RES Response Byte 2 - Byte 12 or 13 11 or 12 bytes Defined in [DIGPROT] Available after Technology Detection 663 */ 664 p_pb = &p_param->param.pb; 665 p_pb->sensb_res_len = *p++; 666 if (p_pb->sensb_res_len > NCI_MAX_SENSB_RES_LEN) 667 p_pb->sensb_res_len = NCI_MAX_SENSB_RES_LEN; 668 STREAM_TO_ARRAY (p_pb->sensb_res, p, p_pb->sensb_res_len); 669 memcpy (p_pb->nfcid0, p_pb->sensb_res, NFC_NFCID0_MAX_LEN); 670 } 671 else if ( NCI_DISCOVERY_TYPE_POLL_F == p_param->mode 672 || NCI_DISCOVERY_TYPE_POLL_F_ACTIVE == p_param->mode ) 673 { 674 /* 675 Bit Rate 1 byte 1 212 kbps/2 424 kbps/0 and 3 to 255 RFU 676 SENSF_RES Response length.(n) 1 byte Length of SENSF_RES (Byte 2 - Byte 17 or 19).Available after Technology Detection 677 SENSF_RES Response Byte 2 - Byte 17 or 19 n bytes Defined in [DIGPROT] Available after Technology Detection 678 */ 679 p_pf = &p_param->param.pf; 680 p_pf->bit_rate = *p++; 681 p_pf->sensf_res_len = *p++; 682 if (p_pf->sensf_res_len > NCI_MAX_SENSF_RES_LEN) 683 p_pf->sensf_res_len = NCI_MAX_SENSF_RES_LEN; 684 STREAM_TO_ARRAY (p_pf->sensf_res, p, p_pf->sensf_res_len); 685 memcpy (p_pf->nfcid2, p_pf->sensf_res, NCI_NFCID2_LEN); 686 p_pf->mrti_check = p_pf->sensf_res[NCI_MRTI_CHECK_INDEX]; 687 p_pf->mrti_update = p_pf->sensf_res[NCI_MRTI_UPDATE_INDEX]; 688 } 689 else if ( NCI_DISCOVERY_TYPE_LISTEN_F == p_param->mode 690 || NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE == p_param->mode ) 691 { 692 p_lf = &p_param->param.lf; 693 u8 = *p++; 694 if (u8) 695 { 696 STREAM_TO_ARRAY (p_lf->nfcid2, p, NCI_NFCID2_LEN); 697 } 698 } 699 else if (NCI_DISCOVERY_TYPE_POLL_ISO15693 == p_param->mode) 700 { 701 p_i93 = &p_param->param.pi93; 702 p_i93->flag = *p++; 703 p_i93->dsfid = *p++; 704 STREAM_TO_ARRAY (p_i93->uid, p, NFC_ISO15693_UID_LEN); 705 } 706 else if (NCI_DISCOVERY_TYPE_POLL_KOVIO == p_param->mode) 707 { 708 p_param->param.pk.uid_len = *p++; 709 if (p_param->param.pk.uid_len > NFC_KOVIO_MAX_LEN) 710 { 711 NFC_TRACE_ERROR2( "Kovio UID len:0x%x exceeds max(0x%x)", p_param->param.pk.uid_len, NFC_KOVIO_MAX_LEN); 712 p_param->param.pk.uid_len = NFC_KOVIO_MAX_LEN; 713 } 714 STREAM_TO_ARRAY (p_param->param.pk.uid, p, p_param->param.pk.uid_len); 715 } 716 717 return (p_start + len); 718 } 719 720 /******************************************************************************* 721 ** 722 ** Function nfc_ncif_proc_discover_ntf 723 ** 724 ** Description This function is called to process discover notification 725 ** 726 ** Returns void 727 ** 728 *******************************************************************************/ 729 void nfc_ncif_proc_discover_ntf (UINT8 *p, UINT16 plen) 730 { 731 tNFC_DISCOVER evt_data; 732 733 if (nfc_cb.p_discv_cback) 734 { 735 p += NCI_MSG_HDR_SIZE; 736 evt_data.status = NCI_STATUS_OK; 737 evt_data.result.rf_disc_id = *p++; 738 evt_data.result.protocol = *p++; 739 740 /* fill in tNFC_RESULT_DEVT */ 741 evt_data.result.rf_tech_param.mode = *p++; 742 p = nfc_ncif_decode_rf_params (&evt_data.result.rf_tech_param, p); 743 744 evt_data.result.more = *p++; 745 (*nfc_cb.p_discv_cback) (NFC_RESULT_DEVT, &evt_data); 746 } 747 } 748 749 /******************************************************************************* 750 ** 751 ** Function nfc_ncif_proc_activate 752 ** 753 ** Description This function is called to process de-activate 754 ** response and notification 755 ** 756 ** Returns void 757 ** 758 *******************************************************************************/ 759 void nfc_ncif_proc_activate (UINT8 *p, UINT8 len) 760 { 761 tNFC_DISCOVER evt_data; 762 tNFC_INTF_PARAMS *p_intf = &evt_data.activate.intf_param; 763 tNFC_INTF_PA_ISO_DEP *p_pa_iso; 764 tNFC_INTF_LB_ISO_DEP *p_lb_iso; 765 tNFC_INTF_PB_ISO_DEP *p_pb_iso; 766 #if (NFC_RW_ONLY == FALSE) 767 tNFC_INTF_PA_NFC_DEP *p_pa_nfc; 768 int mpl_idx = 0; 769 UINT8 gb_idx = 0, mpl; 770 #endif 771 UINT8 t0; 772 tNCI_DISCOVERY_TYPE mode; 773 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 774 UINT8 *pp, len_act; 775 UINT8 buff_size, num_buff; 776 tNFC_RF_PA_PARAMS *p_pa; 777 778 nfc_set_state (NFC_STATE_OPEN); 779 780 memset (p_intf, 0, sizeof (tNFC_INTF_PARAMS)); 781 evt_data.activate.rf_disc_id = *p++; 782 p_intf->type = *p++; 783 evt_data.activate.protocol = *p++; 784 785 if (evt_data.activate.protocol == NCI_PROTOCOL_18092_ACTIVE) 786 evt_data.activate.protocol = NCI_PROTOCOL_NFC_DEP; 787 788 evt_data.activate.rf_tech_param.mode = *p++; 789 buff_size = *p++; 790 num_buff = *p++; 791 /* fill in tNFC_activate_DEVT */ 792 p = nfc_ncif_decode_rf_params (&evt_data.activate.rf_tech_param, p); 793 794 evt_data.activate.data_mode = *p++; 795 evt_data.activate.tx_bitrate = *p++; 796 evt_data.activate.rx_bitrate = *p++; 797 mode = evt_data.activate.rf_tech_param.mode; 798 len_act = *p++; 799 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_activate:%d %d, mode:0x%02x", len, len_act, mode); 800 /* just in case the interface reports activation parameters not defined in the NCI spec */ 801 p_intf->intf_param.frame.param_len = len_act; 802 if (p_intf->intf_param.frame.param_len > NFC_MAX_RAW_PARAMS) 803 p_intf->intf_param.frame.param_len = NFC_MAX_RAW_PARAMS; 804 pp = p; 805 STREAM_TO_ARRAY (p_intf->intf_param.frame.param, pp, p_intf->intf_param.frame.param_len); 806 if (evt_data.activate.intf_param.type == NCI_INTERFACE_ISO_DEP) 807 { 808 /* Make max payload of NCI aligned to max payload of ISO-DEP for better performance */ 809 if (buff_size > NCI_ISO_DEP_MAX_INFO) 810 buff_size = NCI_ISO_DEP_MAX_INFO; 811 812 switch (mode) 813 { 814 case NCI_DISCOVERY_TYPE_POLL_A: 815 p_pa_iso = &p_intf->intf_param.pa_iso; 816 p_pa_iso->ats_res_len = *p++; 817 818 if (p_pa_iso->ats_res_len == 0) 819 break; 820 821 if (p_pa_iso->ats_res_len > NFC_MAX_ATS_LEN) 822 p_pa_iso->ats_res_len = NFC_MAX_ATS_LEN; 823 STREAM_TO_ARRAY (p_pa_iso->ats_res, p, p_pa_iso->ats_res_len); 824 pp = &p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 825 t0 = p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 826 pp++; /* T0 */ 827 if (t0 & NCI_ATS_TA_MASK) 828 pp++; /* TA */ 829 if (t0 & NCI_ATS_TB_MASK) 830 { 831 /* FWI (Frame Waiting time Integer) & SPGI (Start-up Frame Guard time Integer) */ 832 p_pa_iso->fwi = (((*pp) >> 4) & 0x0F); 833 p_pa_iso->sfgi = ((*pp) & 0x0F); 834 pp++; /* TB */ 835 } 836 if (t0 & NCI_ATS_TC_MASK) 837 { 838 p_pa_iso->nad_used = ((*pp) & 0x01); 839 pp++; /* TC */ 840 } 841 p_pa_iso->his_byte_len = (UINT8) (p_pa_iso->ats_res_len - (pp - p_pa_iso->ats_res)); 842 memcpy (p_pa_iso->his_byte, pp, p_pa_iso->his_byte_len); 843 break; 844 845 case NCI_DISCOVERY_TYPE_LISTEN_A: 846 p_intf->intf_param.la_iso.rats = *p++; 847 break; 848 849 case NCI_DISCOVERY_TYPE_POLL_B: 850 /* ATTRIB RSP 851 Byte 1 Byte 2 ~ 2+n-1 852 MBLI/DID Higher layer - Response 853 */ 854 p_pb_iso = &p_intf->intf_param.pb_iso; 855 p_pb_iso->attrib_res_len = *p++; 856 857 if (p_pb_iso->attrib_res_len == 0) 858 break; 859 860 if (p_pb_iso->attrib_res_len > NFC_MAX_ATTRIB_LEN) 861 p_pb_iso->attrib_res_len = NFC_MAX_ATTRIB_LEN; 862 STREAM_TO_ARRAY (p_pb_iso->attrib_res, p, p_pb_iso->attrib_res_len); 863 p_pb_iso->mbli = (p_pb_iso->attrib_res[0]) >> 4; 864 if (p_pb_iso->attrib_res_len > NFC_PB_ATTRIB_REQ_FIXED_BYTES) 865 { 866 p_pb_iso->hi_info_len = p_pb_iso->attrib_res_len - NFC_PB_ATTRIB_REQ_FIXED_BYTES; 867 if (p_pb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 868 p_pb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 869 memcpy (p_pb_iso->hi_info, &p_pb_iso->attrib_res[NFC_PB_ATTRIB_REQ_FIXED_BYTES], p_pb_iso->hi_info_len); 870 } 871 break; 872 873 case NCI_DISCOVERY_TYPE_LISTEN_B: 874 /* ATTRIB CMD 875 Byte 2~5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 ~ 10+k-1 876 NFCID0 Param 1 Param 2 Param 3 Param 4 Higher layer - INF 877 */ 878 p_lb_iso = &p_intf->intf_param.lb_iso; 879 p_lb_iso->attrib_req_len = *p++; 880 881 if (p_lb_iso->attrib_req_len == 0) 882 break; 883 884 if (p_lb_iso->attrib_req_len > NFC_MAX_ATTRIB_LEN) 885 p_lb_iso->attrib_req_len = NFC_MAX_ATTRIB_LEN; 886 STREAM_TO_ARRAY (p_lb_iso->attrib_req, p, p_lb_iso->attrib_req_len); 887 memcpy (p_lb_iso->nfcid0, p_lb_iso->attrib_req, NFC_NFCID0_MAX_LEN); 888 if (p_lb_iso->attrib_req_len > NFC_LB_ATTRIB_REQ_FIXED_BYTES) 889 { 890 p_lb_iso->hi_info_len = p_lb_iso->attrib_req_len - NFC_LB_ATTRIB_REQ_FIXED_BYTES; 891 if (p_lb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 892 p_lb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 893 memcpy (p_lb_iso->hi_info, &p_lb_iso->attrib_req[NFC_LB_ATTRIB_REQ_FIXED_BYTES], p_lb_iso->hi_info_len); 894 } 895 break; 896 } 897 898 } 899 #if (NFC_RW_ONLY == FALSE) 900 else if (evt_data.activate.intf_param.type == NCI_INTERFACE_NFC_DEP) 901 { 902 /* Make max payload of NCI aligned to max payload of NFC-DEP for better performance */ 903 if (buff_size > NCI_NFC_DEP_MAX_DATA) 904 buff_size = NCI_NFC_DEP_MAX_DATA; 905 906 p_pa_nfc = &p_intf->intf_param.pa_nfc; 907 p_pa_nfc->atr_res_len = *p++; 908 909 if (p_pa_nfc->atr_res_len > 0) 910 { 911 if (p_pa_nfc->atr_res_len > NFC_MAX_ATS_LEN) 912 p_pa_nfc->atr_res_len = NFC_MAX_ATS_LEN; 913 STREAM_TO_ARRAY (p_pa_nfc->atr_res, p, p_pa_nfc->atr_res_len); 914 if ( (mode == NCI_DISCOVERY_TYPE_POLL_A) 915 ||(mode == NCI_DISCOVERY_TYPE_POLL_F) 916 ||(mode == NCI_DISCOVERY_TYPE_POLL_A_ACTIVE) 917 ||(mode == NCI_DISCOVERY_TYPE_POLL_F_ACTIVE) ) 918 { 919 /* ATR_RES 920 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17 Byte 18~18+n 921 NFCID3T DIDT BST BRT TO PPT [GT0 ... GTn] */ 922 mpl_idx = 14; 923 gb_idx = NCI_P_GEN_BYTE_INDEX; 924 p_pa_nfc->waiting_time = p_pa_nfc->atr_res[NCI_L_NFC_DEP_TO_INDEX] & 0x0F; 925 } 926 else if ( (mode == NCI_DISCOVERY_TYPE_LISTEN_A) 927 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F) 928 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE) 929 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE) ) 930 { 931 /* ATR_REQ 932 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17~17+n 933 NFCID3I DIDI BSI BRI PPI [GI0 ... GIn] */ 934 mpl_idx = 13; 935 gb_idx = NCI_L_GEN_BYTE_INDEX; 936 } 937 938 mpl = ((p_pa_nfc->atr_res[mpl_idx]) >> 4) & 0x03; 939 p_pa_nfc->max_payload_size = nfc_mpl_code_to_size[mpl]; 940 if (p_pa_nfc->atr_res_len > gb_idx) 941 { 942 p_pa_nfc->gen_bytes_len = p_pa_nfc->atr_res_len - gb_idx; 943 if (p_pa_nfc->gen_bytes_len > NFC_MAX_GEN_BYTES_LEN) 944 p_pa_nfc->gen_bytes_len = NFC_MAX_GEN_BYTES_LEN; 945 memcpy (p_pa_nfc->gen_bytes, &p_pa_nfc->atr_res[gb_idx], p_pa_nfc->gen_bytes_len); 946 } 947 } 948 } 949 #endif 950 else if ((evt_data.activate.intf_param.type == NCI_INTERFACE_FRAME) && (evt_data.activate.protocol == NCI_PROTOCOL_T1T) ) 951 { 952 p_pa = &evt_data.activate.rf_tech_param.param.pa; 953 if ((len_act == NCI_T1T_HR_LEN) && (p_pa->hr_len == 0)) 954 { 955 p_pa->hr_len = NCI_T1T_HR_LEN; 956 p_pa->hr[0] = *p++; 957 p_pa->hr[1] = *p++; 958 } 959 } 960 961 p_cb->act_protocol = evt_data.activate.protocol; 962 p_cb->buff_size = buff_size; 963 p_cb->num_buff = num_buff; 964 p_cb->init_credits = num_buff; 965 966 if (nfc_cb.p_discv_cback) 967 { 968 (*nfc_cb.p_discv_cback) (NFC_ACTIVATE_DEVT, &evt_data); 969 } 970 } 971 972 /******************************************************************************* 973 ** 974 ** Function nfc_ncif_proc_deactivate 975 ** 976 ** Description This function is called to process de-activate 977 ** response and notification 978 ** 979 ** Returns void 980 ** 981 *******************************************************************************/ 982 void nfc_ncif_proc_deactivate (UINT8 status, UINT8 deact_type, BOOLEAN is_ntf) 983 { 984 tNFC_DISCOVER evt_data; 985 tNFC_DEACTIVATE_DEVT *p_deact; 986 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 987 void *p_data; 988 989 nfc_set_state (NFC_STATE_IDLE); 990 p_deact = &evt_data.deactivate; 991 p_deact->status = status; 992 p_deact->type = deact_type; 993 p_deact->is_ntf = is_ntf; 994 995 while ((p_data = GKI_dequeue (&p_cb->rx_q)) != NULL) 996 { 997 GKI_freebuf (p_data); 998 } 999 1000 while ((p_data = GKI_dequeue (&p_cb->tx_q)) != NULL) 1001 { 1002 GKI_freebuf (p_data); 1003 } 1004 1005 if (p_cb->p_cback) 1006 (*p_cb->p_cback) (NFC_RF_CONN_ID, NFC_DEACTIVATE_CEVT, (tNFC_CONN *) p_deact); 1007 1008 if (nfc_cb.p_discv_cback) 1009 { 1010 (*nfc_cb.p_discv_cback) (NFC_DEACTIVATE_DEVT, &evt_data); 1011 } 1012 } 1013 /******************************************************************************* 1014 ** 1015 ** Function nfc_ncif_proc_ee_action 1016 ** 1017 ** Description This function is called to process NFCEE ACTION NTF 1018 ** 1019 ** Returns void 1020 ** 1021 *******************************************************************************/ 1022 #if ((NFC_NFCEE_INCLUDED == TRUE) && (NFC_RW_ONLY == FALSE)) 1023 void nfc_ncif_proc_ee_action (UINT8 *p, UINT16 plen) 1024 { 1025 tNFC_EE_ACTION_REVT evt_data; 1026 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1027 UINT8 data_len, ulen, tag, *p_data; 1028 UINT8 max_len; 1029 1030 if (p_cback) 1031 { 1032 memset (&evt_data.act_data, 0, sizeof (tNFC_ACTION_DATA)); 1033 evt_data.status = NFC_STATUS_OK; 1034 evt_data.nfcee_id = *p++; 1035 evt_data.act_data.trigger = *p++; 1036 data_len = *p++; 1037 if (plen >= 3) 1038 plen -= 3; 1039 if (data_len > plen) 1040 data_len = (UINT8) plen; 1041 1042 switch (evt_data.act_data.trigger) 1043 { 1044 case NCI_EE_TRIG_7816_SELECT: 1045 if (data_len > NFC_MAX_AID_LEN) 1046 data_len = NFC_MAX_AID_LEN; 1047 evt_data.act_data.param.aid.len_aid = data_len; 1048 STREAM_TO_ARRAY (evt_data.act_data.param.aid.aid, p, data_len); 1049 break; 1050 case NCI_EE_TRIG_RF_PROTOCOL: 1051 evt_data.act_data.param.protocol = *p++; 1052 break; 1053 case NCI_EE_TRIG_RF_TECHNOLOGY: 1054 evt_data.act_data.param.technology = *p++; 1055 break; 1056 case NCI_EE_TRIG_APP_INIT: 1057 while (data_len > NFC_TL_SIZE) 1058 { 1059 data_len -= NFC_TL_SIZE; 1060 tag = *p++; 1061 ulen = *p++; 1062 if (ulen > data_len) 1063 ulen = data_len; 1064 p_data = NULL; 1065 max_len = ulen; 1066 switch (tag) 1067 { 1068 case NCI_EE_ACT_TAG_AID: /* AID */ 1069 if (max_len > NFC_MAX_AID_LEN) 1070 max_len = NFC_MAX_AID_LEN; 1071 evt_data.act_data.param.app_init.len_aid = max_len; 1072 p_data = evt_data.act_data.param.app_init.aid; 1073 break; 1074 case NCI_EE_ACT_TAG_DATA: /* hex data for app */ 1075 if (max_len > NFC_MAX_APP_DATA_LEN) 1076 max_len = NFC_MAX_APP_DATA_LEN; 1077 evt_data.act_data.param.app_init.len_data = max_len; 1078 p_data = evt_data.act_data.param.app_init.data; 1079 break; 1080 } 1081 if (p_data) 1082 { 1083 STREAM_TO_ARRAY (p_data, p, max_len); 1084 } 1085 data_len -= ulen; 1086 } 1087 break; 1088 } 1089 (*p_cback) (NFC_EE_ACTION_REVT, (tNFC_RESPONSE *) &evt_data); 1090 } 1091 } 1092 1093 /******************************************************************************* 1094 ** 1095 ** Function nfc_ncif_proc_ee_discover_req 1096 ** 1097 ** Description This function is called to process NFCEE DISCOVER REQ NTF 1098 ** 1099 ** Returns void 1100 ** 1101 *******************************************************************************/ 1102 void nfc_ncif_proc_ee_discover_req (UINT8 *p, UINT16 plen) 1103 { 1104 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1105 tNFC_EE_DISCOVER_REQ_REVT ee_disc_req; 1106 tNFC_EE_DISCOVER_INFO *p_info; 1107 UINT8 u8; 1108 1109 NFC_TRACE_DEBUG2 ("nfc_ncif_proc_ee_discover_req %d len:%d", *p, plen); 1110 if (p_cback) 1111 { 1112 u8 = *p; 1113 ee_disc_req.status = NFC_STATUS_OK; 1114 ee_disc_req.num_info = *p++; 1115 p_info = ee_disc_req.info; 1116 if (plen) 1117 plen--; 1118 while ((u8 > 0) && (plen >= NFC_EE_DISCOVER_ENTRY_LEN)) 1119 { 1120 p_info->op = *p++; /* T */ 1121 if (*p != NFC_EE_DISCOVER_INFO_LEN)/* L */ 1122 { 1123 NFC_TRACE_DEBUG1 ("bad entry len:%d", *p ); 1124 return; 1125 } 1126 p++; 1127 /* V */ 1128 p_info->nfcee_id = *p++; 1129 p_info->tech_n_mode = *p++; 1130 p_info->protocol = *p++; 1131 u8--; 1132 plen -=NFC_EE_DISCOVER_ENTRY_LEN; 1133 p_info++; 1134 } 1135 (*p_cback) (NFC_EE_DISCOVER_REQ_REVT, (tNFC_RESPONSE *) &ee_disc_req); 1136 } 1137 1138 } 1139 1140 /******************************************************************************* 1141 ** 1142 ** Function nfc_ncif_proc_get_routing 1143 ** 1144 ** Description This function is called to process get routing notification 1145 ** 1146 ** Returns void 1147 ** 1148 *******************************************************************************/ 1149 void nfc_ncif_proc_get_routing (UINT8 *p, UINT8 len) 1150 { 1151 tNFC_GET_ROUTING_REVT evt_data; 1152 UINT8 more, num_entries, xx, yy, *pn, tl; 1153 tNFC_STATUS status = NFC_STATUS_CONTINUE; 1154 1155 if (nfc_cb.p_resp_cback) 1156 { 1157 more = *p++; 1158 num_entries = *p++; 1159 for (xx = 0; xx < num_entries; xx++) 1160 { 1161 if ((more == FALSE) && (xx == (num_entries - 1))) 1162 status = NFC_STATUS_OK; 1163 evt_data.status = (tNFC_STATUS) status; 1164 evt_data.nfcee_id = *p++; 1165 evt_data.num_tlvs = *p++; 1166 evt_data.tlv_size = 0; 1167 pn = evt_data.param_tlvs; 1168 for (yy = 0; yy < evt_data.num_tlvs; yy++) 1169 { 1170 tl = *(p+1); 1171 tl += NFC_TL_SIZE; 1172 STREAM_TO_ARRAY (pn, p, tl); 1173 evt_data.tlv_size += tl; 1174 pn += tl; 1175 } 1176 (*nfc_cb.p_resp_cback) (NFC_GET_ROUTING_REVT, (tNFC_RESPONSE *) &evt_data); 1177 } 1178 } 1179 } 1180 #endif 1181 1182 /******************************************************************************* 1183 ** 1184 ** Function nfc_ncif_proc_conn_create_rsp 1185 ** 1186 ** Description This function is called to process connection create 1187 ** response 1188 ** 1189 ** Returns void 1190 ** 1191 *******************************************************************************/ 1192 void nfc_ncif_proc_conn_create_rsp (UINT8 *p, UINT16 plen, UINT8 dest_type) 1193 { 1194 tNFC_CONN_CB * p_cb; 1195 tNFC_STATUS status; 1196 tNFC_CONN_CBACK *p_cback; 1197 tNFC_CONN evt_data; 1198 UINT8 conn_id; 1199 1200 /* find the pending connection control block */ 1201 p_cb = nfc_find_conn_cb_by_conn_id (NFC_PEND_CONN_ID); 1202 if (p_cb) 1203 { 1204 p += NCI_MSG_HDR_SIZE; 1205 status = *p++; 1206 p_cb->buff_size = *p++; 1207 p_cb->num_buff = p_cb->init_credits = *p++; 1208 conn_id = *p++; 1209 evt_data.conn_create.status = status; 1210 evt_data.conn_create.dest_type = dest_type; 1211 evt_data.conn_create.id = p_cb->id; 1212 evt_data.conn_create.buff_size = p_cb->buff_size; 1213 evt_data.conn_create.num_buffs = p_cb->num_buff; 1214 p_cback = p_cb->p_cback; 1215 if (status == NCI_STATUS_OK) 1216 { 1217 nfc_set_conn_id (p_cb, conn_id); 1218 } 1219 else 1220 { 1221 nfc_free_conn_cb (p_cb); 1222 } 1223 1224 1225 if (p_cback) 1226 (*p_cback) (conn_id, NFC_CONN_CREATE_CEVT, &evt_data); 1227 } 1228 } 1229 1230 /******************************************************************************* 1231 ** 1232 ** Function nfc_ncif_report_conn_close_evt 1233 ** 1234 ** Description This function is called to report connection close event 1235 ** 1236 ** Returns void 1237 ** 1238 *******************************************************************************/ 1239 void nfc_ncif_report_conn_close_evt (UINT8 conn_id, tNFC_STATUS status) 1240 { 1241 tNFC_CONN evt_data; 1242 tNFC_CONN_CBACK *p_cback; 1243 tNFC_CONN_CB *p_cb; 1244 1245 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1246 if (p_cb) 1247 { 1248 p_cback = p_cb->p_cback; 1249 nfc_free_conn_cb (p_cb); 1250 evt_data.status = status; 1251 if (p_cback) 1252 (*p_cback) (conn_id, NFC_CONN_CLOSE_CEVT, &evt_data); 1253 } 1254 } 1255 1256 /******************************************************************************* 1257 ** 1258 ** Function nfc_ncif_proc_reset_rsp 1259 ** 1260 ** Description This function is called to process reset response/notification 1261 ** 1262 ** Returns void 1263 ** 1264 *******************************************************************************/ 1265 void nfc_ncif_proc_reset_rsp (UINT8 *p, BOOLEAN is_ntf) 1266 { 1267 UINT8 status = *p++; 1268 1269 if (is_ntf) 1270 { 1271 NFC_TRACE_ERROR1 ("reset notification!!:0x%x ", status); 1272 /* clean up, if the state is OPEN 1273 * FW does not report reset ntf right now */ 1274 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 1275 { 1276 /*if any conn_cb is connected, close it. 1277 if any pending outgoing packets are dropped.*/ 1278 nfc_reset_all_conn_cbs (); 1279 } 1280 status = NCI_STATUS_OK; 1281 } 1282 1283 if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC)) 1284 { 1285 nfc_reset_all_conn_cbs (); 1286 } 1287 1288 if (status == NCI_STATUS_OK) 1289 { 1290 if ((*p) != NCI_VERSION) 1291 { 1292 NFC_TRACE_ERROR2 ("NCI version mismatch!!:0x%02x != 0x%02x ", NCI_VERSION, *p); 1293 if ((*p) < NCI_VERSION_0_F) 1294 { 1295 NFC_TRACE_ERROR0 ("NFCC version is too old"); 1296 status = NCI_STATUS_FAILED; 1297 } 1298 } 1299 } 1300 1301 if (status == NCI_STATUS_OK) 1302 { 1303 nci_snd_core_init (); 1304 } 1305 else 1306 { 1307 NFC_TRACE_ERROR0 ("Failed to reset NFCC"); 1308 nfc_enabled (status, NULL); 1309 } 1310 } 1311 1312 /******************************************************************************* 1313 ** 1314 ** Function nfc_ncif_proc_init_rsp 1315 ** 1316 ** Description This function is called to process init response 1317 ** 1318 ** Returns void 1319 ** 1320 *******************************************************************************/ 1321 void nfc_ncif_proc_init_rsp (BT_HDR *p_msg) 1322 { 1323 UINT8 *p, status; 1324 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 1325 1326 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 1327 1328 /* handle init params in nfc_enabled */ 1329 status = *(p + NCI_MSG_HDR_SIZE); 1330 if (status == NCI_STATUS_OK) 1331 { 1332 p_cb->id = NFC_RF_CONN_ID; 1333 p_cb->act_protocol = NCI_PROTOCOL_UNKNOWN; 1334 1335 nfc_set_state (NFC_STATE_W4_POST_INIT_CPLT); 1336 1337 nfc_cb.p_nci_init_rsp = p_msg; 1338 nfc_cb.p_hal->core_initialized (p); 1339 } 1340 else 1341 { 1342 nfc_enabled (status, NULL); 1343 GKI_freebuf (p_msg); 1344 } 1345 } 1346 1347 /******************************************************************************* 1348 ** 1349 ** Function nfc_ncif_proc_get_config_rsp 1350 ** 1351 ** Description This function is called to process get config response 1352 ** 1353 ** Returns void 1354 ** 1355 *******************************************************************************/ 1356 void nfc_ncif_proc_get_config_rsp (BT_HDR *p_evt) 1357 { 1358 UINT8 *p; 1359 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1360 tNFC_RESPONSE evt_data; 1361 1362 p_evt->offset += NCI_MSG_HDR_SIZE; 1363 p_evt->len -= NCI_MSG_HDR_SIZE; 1364 if (p_cback) 1365 { 1366 p = (UINT8 *) (p_evt + 1) + p_evt->offset; 1367 evt_data.get_config.status = *p++; 1368 evt_data.get_config.tlv_size = p_evt->len; 1369 evt_data.get_config.p_param_tlvs = p; 1370 (*p_cback) (NFC_GET_CONFIG_REVT, &evt_data); 1371 } 1372 } 1373 1374 /******************************************************************************* 1375 ** 1376 ** Function nfc_ncif_proc_t3t_polling_ntf 1377 ** 1378 ** Description Handle NCI_MSG_RF_T3T_POLLING NTF 1379 ** 1380 ** Returns void 1381 ** 1382 *******************************************************************************/ 1383 void nfc_ncif_proc_t3t_polling_ntf (UINT8 *p, UINT16 plen) 1384 { 1385 UINT8 status; 1386 UINT8 num_responses; 1387 1388 /* Pass result to RW_T3T for processing */ 1389 STREAM_TO_UINT8 (status, p); 1390 STREAM_TO_UINT8 (num_responses, p); 1391 plen-=NFC_TL_SIZE; 1392 rw_t3t_handle_nci_poll_ntf (status, num_responses, (UINT8) plen, p); 1393 } 1394 1395 /******************************************************************************* 1396 ** 1397 ** Function nfc_data_event 1398 ** 1399 ** Description Report Data event on the given connection control block 1400 ** 1401 ** Returns void 1402 ** 1403 *******************************************************************************/ 1404 void nfc_data_event (tNFC_CONN_CB * p_cb) 1405 { 1406 BT_HDR *p_evt; 1407 tNFC_DATA_CEVT data_cevt; 1408 UINT8 *p; 1409 1410 if (p_cb->p_cback) 1411 { 1412 while ((p_evt = (BT_HDR *)GKI_getfirst (&p_cb->rx_q)) != NULL) 1413 { 1414 if (p_evt->layer_specific & NFC_RAS_FRAGMENTED) 1415 { 1416 /* Not the last fragment */ 1417 if (!(p_evt->layer_specific & NFC_RAS_TOO_BIG)) 1418 { 1419 /* buffer can hold more */ 1420 if ( (p_cb->conn_id != NFC_RF_CONN_ID) 1421 ||(nfc_cb.reassembly) ) 1422 { 1423 /* If not rf connection or If rf connection and reassembly requested, 1424 * try to Reassemble next packet */ 1425 break; 1426 } 1427 } 1428 } 1429 1430 p_evt = (BT_HDR *) GKI_dequeue (&p_cb->rx_q); 1431 /* report data event */ 1432 p_evt->offset += NCI_MSG_HDR_SIZE; 1433 p_evt->len -= NCI_MSG_HDR_SIZE; 1434 1435 if (p_evt->layer_specific) 1436 data_cevt.status = NFC_STATUS_CONTINUE; 1437 else 1438 { 1439 nfc_cb.reassembly = TRUE; 1440 data_cevt.status = NFC_STATUS_OK; 1441 } 1442 1443 data_cevt.p_data = p_evt; 1444 /* adjust payload, if needed */ 1445 if (p_cb->conn_id == NFC_RF_CONN_ID) 1446 { 1447 /* if NCI_PROTOCOL_T1T/NCI_PROTOCOL_T2T/NCI_PROTOCOL_T3T, the status byte needs to be removed 1448 */ 1449 if ((p_cb->act_protocol >= NCI_PROTOCOL_T1T) && (p_cb->act_protocol <= NCI_PROTOCOL_T3T)) 1450 { 1451 p_evt->len--; 1452 p = (UINT8 *) (p_evt + 1); 1453 data_cevt.status = *(p + p_evt->offset + p_evt->len); 1454 } 1455 } 1456 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_CEVT, (tNFC_CONN *) &data_cevt); 1457 p_evt = NULL; 1458 } 1459 } 1460 } 1461 1462 /******************************************************************************* 1463 ** 1464 ** Function nfc_ncif_proc_data 1465 ** 1466 ** Description Find the connection control block associated with the data 1467 ** packet. Assemble the data packet, if needed. 1468 ** Report the Data event. 1469 ** 1470 ** Returns void 1471 ** 1472 *******************************************************************************/ 1473 void nfc_ncif_proc_data (BT_HDR *p_msg) 1474 { 1475 UINT8 *pp, cid; 1476 tNFC_CONN_CB * p_cb; 1477 UINT8 pbf; 1478 BT_HDR *p_last; 1479 UINT8 *ps, *pd; 1480 UINT16 size; 1481 BT_HDR *p_max = NULL; 1482 UINT16 len; 1483 1484 pp = (UINT8 *) (p_msg+1) + p_msg->offset; 1485 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_data 0x%02x%02x%02x", pp[0], pp[1], pp[2]); 1486 NCI_DATA_PRS_HDR (pp, pbf, cid, len); 1487 p_cb = nfc_find_conn_cb_by_conn_id (cid); 1488 if (p_cb && (p_msg->len >= NCI_DATA_HDR_SIZE)) 1489 { 1490 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", len); 1491 1492 p_msg->layer_specific = 0; 1493 if (pbf) 1494 p_msg->layer_specific = NFC_RAS_FRAGMENTED; 1495 p_last = (BT_HDR *)GKI_getlast (&p_cb->rx_q); 1496 if (p_last && (p_last->layer_specific & NFC_RAS_FRAGMENTED)) 1497 { 1498 /* last data buffer is not last fragment, append this new packet to the last */ 1499 size = GKI_get_buf_size(p_last); 1500 if (size < (BT_HDR_SIZE + p_last->len + p_last->offset + len)) 1501 { 1502 /* the current size of p_last is not big enough to hold the new fragment, p_msg */ 1503 if (size != GKI_MAX_BUF_SIZE) 1504 { 1505 /* try the biggest GKI pool */ 1506 p_max = (BT_HDR *)GKI_getpoolbuf (GKI_MAX_BUF_SIZE_POOL_ID); 1507 if (p_max) 1508 { 1509 /* copy the content of last buffer to the new buffer */ 1510 memcpy(p_max, p_last, BT_HDR_SIZE); 1511 pd = (UINT8 *)(p_max + 1) + p_max->offset; 1512 ps = (UINT8 *)(p_last + 1) + p_last->offset; 1513 memcpy(pd, ps, p_last->len); 1514 1515 /* place the new buffer in the queue instead */ 1516 GKI_remove_from_queue (&p_cb->rx_q, p_last); 1517 GKI_freebuf (p_last); 1518 GKI_enqueue (&p_cb->rx_q, p_max); 1519 p_last = p_max; 1520 } 1521 } 1522 if (p_max == NULL) 1523 { 1524 /* Biggest GKI Pool not available (or) 1525 * Biggest available GKI Pool is not big enough to hold the new fragment, p_msg */ 1526 p_last->layer_specific |= NFC_RAS_TOO_BIG; 1527 } 1528 } 1529 1530 ps = (UINT8 *)(p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE; 1531 len = p_msg->len - NCI_MSG_HDR_SIZE; 1532 1533 if (!(p_last->layer_specific & NFC_RAS_TOO_BIG)) 1534 { 1535 pd = (UINT8 *)(p_last + 1) + p_last->offset + p_last->len; 1536 memcpy(pd, ps, len); 1537 p_last->len += len; 1538 /* do not need to update pbf and len in NCI header. 1539 * They are stripped off at NFC_DATA_CEVT and len may exceed 255 */ 1540 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", p_last->len); 1541 p_last->layer_specific = p_msg->layer_specific; 1542 GKI_freebuf (p_msg); 1543 #ifdef DISP_NCI 1544 if (!(p_last->layer_specific & NFC_RAS_FRAGMENTED)) 1545 { 1546 /* this packet was reassembled. display the complete packet */ 1547 DISP_NCI ((UINT8 *)(p_last + 1) + p_last->offset, p_last->len, TRUE); 1548 } 1549 #endif 1550 nfc_data_event (p_cb); 1551 } 1552 else 1553 { 1554 /* Not enough memory to add new buffer 1555 * Send data already in queue first with status Continue */ 1556 nfc_data_event (p_cb); 1557 /* now enqueue the new buffer to the rx queue */ 1558 GKI_enqueue (&p_cb->rx_q, p_msg); 1559 } 1560 } 1561 else 1562 { 1563 /* if this is the first fragment on RF link */ 1564 if ( (p_msg->layer_specific & NFC_RAS_FRAGMENTED) 1565 &&(p_cb->conn_id == NFC_RF_CONN_ID) 1566 &&(p_cb->p_cback) ) 1567 { 1568 /* Indicate upper layer that local device started receiving data */ 1569 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_START_CEVT, NULL); 1570 } 1571 /* enqueue the new buffer to the rx queue */ 1572 GKI_enqueue (&p_cb->rx_q, p_msg); 1573 nfc_data_event (p_cb); 1574 } 1575 return; 1576 } 1577 GKI_freebuf (p_msg); 1578 } 1579 1580 #endif /* NFC_INCLUDED == TRUE*/ 1581
