nfc_ncif.c revision a24be4f06674b2707b57904deaa0dff5a95823bd
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 <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) 42static 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*********************************************************************************/ 61void 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*******************************************************************************/ 92void 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} 106 107/******************************************************************************* 108** 109** Function nfc_wait_2_deactivate_timeout 110** 111** Description Handle a command timeout 112** 113** Returns void 114** 115*******************************************************************************/ 116void nfc_wait_2_deactivate_timeout (void) 117{ 118 NFC_TRACE_ERROR0 ("nfc_wait_2_deactivate_timeout"); 119 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 120 nci_snd_deactivate_cmd ((UINT8) ((TIMER_PARAM_TYPE) nfc_cb.deactivate_timer.param)); 121} 122 123 124/******************************************************************************* 125** 126** Function nfc_ncif_send_data 127** 128** Description This function is called to add the NCI data header 129** and send it to NCIT task for sending it to transport 130** as credits are available. 131** 132** Returns void 133** 134*******************************************************************************/ 135UINT8 nfc_ncif_send_data (tNFC_CONN_CB *p_cb, BT_HDR *p_data) 136{ 137 UINT8 *pp; 138 UINT8 *ps; 139 UINT8 ulen = NCI_MAX_PAYLOAD_SIZE; 140 BT_HDR *p; 141 UINT8 pbf = 1; 142 UINT8 buffer_size = p_cb->buff_size; 143 UINT8 hdr0 = p_cb->conn_id; 144 BOOLEAN fragmented = FALSE; 145 146 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); 147 if (p_cb->id == NFC_RF_CONN_ID) 148 { 149 if (nfc_cb.nfc_state != NFC_STATE_OPEN) 150 { 151 if (nfc_cb.nfc_state == NFC_STATE_CLOSING) 152 { 153 if ((p_data == NULL) && /* called because credit from NFCC */ 154 (nfc_cb.flags & NFC_FL_DEACTIVATING)) 155 { 156 if (p_cb->init_credits == p_cb->num_buff) 157 { 158 /* all the credits are back */ 159 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 160 NFC_TRACE_DEBUG2 ("deactivating NFC-DEP init_credits:%d, num_buff:%d", p_cb->init_credits, p_cb->num_buff); 161 nfc_stop_timer(&nfc_cb.deactivate_timer); 162 nci_snd_deactivate_cmd ((UINT8)((TIMER_PARAM_TYPE)nfc_cb.deactivate_timer.param)); 163 } 164 } 165 } 166 return NCI_STATUS_FAILED; 167 } 168 } 169 170 if (p_data) 171 { 172 /* always enqueue the data to the tx queue */ 173 GKI_enqueue (&p_cb->tx_q, p_data); 174 } 175 176 /* try to send the first data packet in the tx queue */ 177 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 178 179 /* post data fragment to NCIT task as credits are available */ 180 while (p_data && (p_data->len >= 0) && (p_cb->num_buff > 0)) 181 { 182 if (p_data->len <= buffer_size) 183 { 184 pbf = 0; /* last fragment */ 185 ulen = (UINT8)(p_data->len); 186 fragmented = FALSE; 187 } 188 else 189 { 190 fragmented = TRUE; 191 ulen = buffer_size; 192 } 193 194 if (!fragmented) 195 { 196 /* if data packet is not fragmented, use the original buffer */ 197 p = p_data; 198 p_data = (BT_HDR *)GKI_dequeue (&p_cb->tx_q); 199 } 200 else 201 { 202 /* the data packet is too big and need to be fragmented 203 * prepare a new GKI buffer 204 * (even the last fragment to avoid issues) */ 205 if ((p = NCI_GET_CMD_BUF(ulen)) == NULL) 206 return (NCI_STATUS_BUFFER_FULL); 207 p->len = ulen; 208 p->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + 1; 209 if (p->len) 210 { 211 pp = (UINT8 *)(p + 1) + p->offset; 212 ps = (UINT8 *)(p_data + 1) + p_data->offset; 213 memcpy (pp, ps, ulen); 214 } 215 /* adjust the BT_HDR on the old fragment */ 216 p_data->len -= ulen; 217 p_data->offset += ulen; 218 } 219 220 p->event = BT_EVT_TO_NFC_NCI; 221 p->layer_specific = pbf; 222 p->len += NCI_DATA_HDR_SIZE; 223 p->offset -= NCI_DATA_HDR_SIZE; 224 pp = (UINT8 *)(p + 1) + p->offset; 225 /* build NCI Data packet header */ 226 NCI_DATA_PBLD_HDR(pp, pbf, hdr0, ulen); 227 228 if (p_cb->num_buff != NFC_CONN_NO_FC) 229 p_cb->num_buff--; 230 231 /* send to HAL */ 232 HAL_WRITE(p); 233 234 if (!fragmented) 235 { 236 /* check if there are more data to send */ 237 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 238 } 239 } 240 241 return (NCI_STATUS_OK); 242} 243 244/******************************************************************************* 245** 246** Function nfc_ncif_check_cmd_queue 247** 248** Description Send NCI command to the transport 249** 250** Returns void 251** 252*******************************************************************************/ 253void nfc_ncif_check_cmd_queue (BT_HDR *p_buf) 254{ 255 UINT8 *ps; 256 /* If there are commands waiting in the xmit queue, or if the controller cannot accept any more commands, */ 257 /* then enqueue this command */ 258 if (p_buf) 259 { 260 if ((nfc_cb.nci_cmd_xmit_q.count) || (nfc_cb.nci_cmd_window == 0)) 261 { 262 GKI_enqueue (&nfc_cb.nci_cmd_xmit_q, p_buf); 263 p_buf = NULL; 264 } 265 } 266 267 /* If controller can accept another command, then send the next command */ 268 if (nfc_cb.nci_cmd_window > 0) 269 { 270 /* If no command was provided, or if older commands were in the queue, then get cmd from the queue */ 271 if (!p_buf) 272 p_buf = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q); 273 274 if (p_buf) 275 { 276 /* save the message header to double check the response */ 277 ps = (UINT8 *)(p_buf + 1) + p_buf->offset; 278 memcpy(nfc_cb.last_hdr, ps, NFC_SAVED_HDR_SIZE); 279 memcpy(nfc_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_SAVED_CMD_SIZE); 280 if (p_buf->layer_specific == NFC_WAIT_RSP_VSC) 281 { 282 /* save the callback for NCI VSCs) */ 283 nfc_cb.p_vsc_cback = (void *)((tNFC_NCI_VS_MSG *)p_buf)->p_cback; 284 } 285 286 /* send to HAL */ 287 HAL_WRITE(p_buf); 288 289 /* Indicate command is pending */ 290 nfc_cb.nci_cmd_window--; 291 292 /* start NFC command-timeout timer */ 293 nfc_start_timer (&nfc_cb.nci_wait_rsp_timer, (UINT16)(NFC_TTYPE_NCI_WAIT_RSP), nfc_cb.nci_wait_rsp_tout); 294 } 295 } 296 297 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 298 { 299 /* the command queue must be empty now */ 300 if (nfc_cb.flags & NFC_FL_CONTROL_REQUESTED) 301 { 302 /* HAL requested control or stack needs to handle pre-discover */ 303 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED; 304 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 305 { 306 if (nfc_cb.p_hal->prediscover ()) 307 { 308 /* HAL has the command window now */ 309 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 310 nfc_cb.nci_cmd_window = 0; 311 } 312 else 313 { 314 /* HAL does not need to send command, 315 * - restore the command window and issue the discovery command now */ 316 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 317 ps = (UINT8 *)nfc_cb.p_disc_pending; 318 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); 319 GKI_freebuf (nfc_cb.p_disc_pending); 320 nfc_cb.p_disc_pending = NULL; 321 } 322 } 323 else if (nfc_cb.flags & NFC_FL_HAL_REQUESTED) 324 { 325 /* grant the control to HAL */ 326 nfc_cb.flags &= ~NFC_FL_HAL_REQUESTED; 327 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 328 nfc_cb.nci_cmd_window = 0; 329 nfc_cb.p_hal->control_granted (); 330 } 331 } 332 } 333} 334 335 336/******************************************************************************* 337** 338** Function nfc_ncif_send_cmd 339** 340** Description Send NCI command to the NCIT task 341** 342** Returns void 343** 344*******************************************************************************/ 345void nfc_ncif_send_cmd (BT_HDR *p_buf) 346{ 347 /* post the p_buf to NCIT task */ 348 p_buf->event = BT_EVT_TO_NFC_NCI; 349 p_buf->layer_specific = 0; 350 nfc_ncif_check_cmd_queue (p_buf); 351} 352 353 354/******************************************************************************* 355** 356** Function nfc_ncif_process_event 357** 358** Description This function is called to process the data/response/notification 359** from NFCC 360** 361** Returns TRUE if need to free buffer 362** 363*******************************************************************************/ 364BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg) 365{ 366 UINT8 mt, pbf, gid, *p, *pp; 367 BOOLEAN free = TRUE; 368 UINT8 oid; 369 UINT8 *p_old, old_gid, old_oid, old_mt; 370 371 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 372 373 pp = p; 374 NCI_MSG_PRS_HDR0 (pp, mt, pbf, gid); 375 376 switch (mt) 377 { 378 case NCI_MT_DATA: 379 NFC_TRACE_DEBUG0 ("NFC received data"); 380 nfc_ncif_proc_data (p_msg); 381 free = FALSE; 382 break; 383 384 case NCI_MT_RSP: 385 NFC_TRACE_DEBUG1 ("NFC received rsp gid:%d", gid); 386 oid = ((*pp) & NCI_OID_MASK); 387 p_old = nfc_cb.last_hdr; 388 NCI_MSG_PRS_HDR0(p_old, old_mt, pbf, old_gid); 389 old_oid = ((*p_old) & NCI_OID_MASK); 390 /* make sure this is the RSP we are waiting for before updating the command window */ 391 if ((old_gid != gid) || (old_oid != oid)) 392 { 393 NFC_TRACE_ERROR2 ("nfc_ncif_process_event unexpected rsp: gid:0x%x, oid:0x%x", gid, oid); 394 return TRUE; 395 } 396 397 switch (gid) 398 { 399 case NCI_GID_CORE: /* 0000b NCI Core group */ 400 free = nci_proc_core_rsp (p_msg); 401 break; 402 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 403 nci_proc_rf_management_rsp (p_msg); 404 break; 405#if (NFC_NFCEE_INCLUDED == TRUE) 406#if (NFC_RW_ONLY == FALSE) 407 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 408 nci_proc_ee_management_rsp (p_msg); 409 break; 410#endif 411#endif 412 case NCI_GID_PROP: /* 1111b Proprietary */ 413 nci_proc_prop_rsp (p_msg); 414 break; 415 default: 416 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 417 break; 418 } 419 420 nfc_ncif_update_window (); 421 break; 422 423 case NCI_MT_NTF: 424 NFC_TRACE_DEBUG1 ("NFC received ntf gid:%d", gid); 425 switch (gid) 426 { 427 case NCI_GID_CORE: /* 0000b NCI Core group */ 428 nci_proc_core_ntf (p_msg); 429 break; 430 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 431 nci_proc_rf_management_ntf (p_msg); 432 break; 433#if (NFC_NFCEE_INCLUDED == TRUE) 434#if (NFC_RW_ONLY == FALSE) 435 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 436 nci_proc_ee_management_ntf (p_msg); 437 break; 438#endif 439#endif 440 case NCI_GID_PROP: /* 1111b Proprietary */ 441 nci_proc_prop_ntf (p_msg); 442 break; 443 default: 444 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 445 break; 446 } 447 break; 448 449 default: 450 NFC_TRACE_DEBUG2 ("NFC received unknown mt:0x%x, gid:%d", mt, gid); 451 } 452 453 return (free); 454} 455 456/******************************************************************************* 457** 458** Function nfc_ncif_rf_management_status 459** 460** Description This function is called to report an event 461** 462** Returns void 463** 464*******************************************************************************/ 465void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status) 466{ 467 tNFC_DISCOVER evt_data; 468 if (nfc_cb.p_discv_cback) 469 { 470 evt_data.status = (tNFC_STATUS) status; 471 (*nfc_cb.p_discv_cback) (event, &evt_data); 472 } 473} 474 475/******************************************************************************* 476** 477** Function nfc_ncif_set_config_status 478** 479** Description This function is called to report NFC_SET_CONFIG_REVT 480** 481** Returns void 482** 483*******************************************************************************/ 484void nfc_ncif_set_config_status (UINT8 *p, UINT8 len) 485{ 486 tNFC_RESPONSE evt_data; 487 if (nfc_cb.p_resp_cback) 488 { 489 evt_data.set_config.status = (tNFC_STATUS) *p++; 490 evt_data.set_config.num_param_id = NFC_STATUS_OK; 491 if (evt_data.set_config.status != NFC_STATUS_OK) 492 { 493 evt_data.set_config.num_param_id = *p++; 494 STREAM_TO_ARRAY (evt_data.set_config.param_ids, p, evt_data.set_config.num_param_id); 495 } 496 497 (*nfc_cb.p_resp_cback) (NFC_SET_CONFIG_REVT, &evt_data); 498 } 499} 500 501/******************************************************************************* 502** 503** Function nfc_ncif_event_status 504** 505** Description This function is called to report an event 506** 507** Returns void 508** 509*******************************************************************************/ 510void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status) 511{ 512 tNFC_RESPONSE evt_data; 513 if (nfc_cb.p_resp_cback) 514 { 515 evt_data.status = (tNFC_STATUS) status; 516 (*nfc_cb.p_resp_cback) (event, &evt_data); 517 } 518} 519 520/******************************************************************************* 521** 522** Function nfc_ncif_error_status 523** 524** Description This function is called to report an error event to data cback 525** 526** Returns void 527** 528*******************************************************************************/ 529void nfc_ncif_error_status (UINT8 conn_id, UINT8 status) 530{ 531 tNFC_CONN_CB * p_cb; 532 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 533 if (p_cb && p_cb->p_cback) 534 { 535 (*p_cb->p_cback) (conn_id, NFC_ERROR_CEVT, (tNFC_CONN *) &status); 536 } 537} 538 539/******************************************************************************* 540** 541** Function nfc_ncif_proc_rf_field_ntf 542** 543** Description This function is called to process RF field notification 544** 545** Returns void 546** 547*******************************************************************************/ 548#if (NFC_RW_ONLY == FALSE) 549void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status) 550{ 551 tNFC_RESPONSE evt_data; 552 if (nfc_cb.p_resp_cback) 553 { 554 evt_data.status = (tNFC_STATUS) NFC_STATUS_OK; 555 evt_data.rf_field.rf_field = rf_status; 556 (*nfc_cb.p_resp_cback) (NFC_RF_FIELD_REVT, &evt_data); 557 } 558} 559#endif 560 561/******************************************************************************* 562** 563** Function nfc_ncif_proc_credits 564** 565** Description This function is called to process data credits 566** 567** Returns void 568** 569*******************************************************************************/ 570void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen) 571{ 572 UINT8 num, xx; 573 tNFC_CONN_CB * p_cb; 574 575 num = *p++; 576 for (xx = 0; xx < num; xx++) 577 { 578 p_cb = nfc_find_conn_cb_by_conn_id(*p++); 579 if (p_cb && p_cb->num_buff != NFC_CONN_NO_FC) 580 { 581 p_cb->num_buff += (*p); 582#if (BT_USE_TRACES == TRUE) 583 if (p_cb->num_buff > p_cb->init_credits) 584 { 585 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 586 { 587 /* if this happens in activated state, it's very likely that our NFCC has issues */ 588 /* However, credit may be returned after deactivation */ 589 NFC_TRACE_ERROR2( "num_buff:0x%x, init_credits:0x%x", p_cb->num_buff, p_cb->init_credits); 590 } 591 p_cb->num_buff = p_cb->init_credits; 592 } 593#endif 594 /* check if there's nay data in tx q to be sent */ 595 nfc_ncif_send_data (p_cb, NULL); 596 } 597 p++; 598 } 599} 600/******************************************************************************* 601** 602** Function nfc_ncif_decode_rf_params 603** 604** Description This function is called to process the detected technology 605** and mode and the associated parameters for DISCOVER_NTF and 606** ACTIVATE_NTF 607** 608** Returns void 609** 610*******************************************************************************/ 611UINT8 * nfc_ncif_decode_rf_params (tNFC_RF_TECH_PARAMS *p_param, UINT8 *p) 612{ 613 tNFC_RF_PA_PARAMS *p_pa; 614 UINT8 len, *p_start, u8; 615 tNFC_RF_PB_PARAMS *p_pb; 616 tNFC_RF_LF_PARAMS *p_lf; 617 tNFC_RF_PF_PARAMS *p_pf; 618 tNFC_RF_PISO15693_PARAMS *p_i93; 619 620 len = *p++; 621 p_start = p; 622 memset ( &p_param->param, 0, sizeof (tNFC_RF_TECH_PARAMU)); 623 switch (p_param->mode) 624 { 625 case NCI_DISCOVERY_TYPE_POLL_A: 626 case NCI_DISCOVERY_TYPE_POLL_A_ACTIVE: 627 p_pa = &p_param->param.pa; 628 /* 629SENS_RES Response 2 bytes Defined in [DIGPROT] Available after Technology Detection 630NFCID1 length 1 byte Length of NFCID1 Available after Collision Resolution 631NFCID1 4, 7, or 10 bytes Defined in [DIGPROT]Available after Collision Resolution 632SEL_RES Response 1 byte Defined in [DIGPROT]Available after Collision Resolution 633HRx Length 1 Octets Length of HRx Parameters collected from the response to the T1T RID command. 634HRx 0 or 2 Octets If present, the first byte SHALL contain HR0 and the second byte SHALL contain HR1 as defined in [DIGITAL]. 635 */ 636 STREAM_TO_ARRAY (p_pa->sens_res, p, 2); 637 p_pa->nfcid1_len = *p++; 638 if (p_pa->nfcid1_len > NCI_NFCID1_MAX_LEN) 639 p_pa->nfcid1_len = NCI_NFCID1_MAX_LEN; 640 STREAM_TO_ARRAY (p_pa->nfcid1, p, p_pa->nfcid1_len); 641 u8 = *p++; 642 if (u8) 643 p_pa->sel_rsp = *p++; 644 if (len == (7 + p_pa->nfcid1_len + u8)) /* 2(sens_res) + 1(len) + p_pa->nfcid1_len + 1(len) + u8 + hr (1:len + 2) */ 645 { 646 p_pa->hr_len = *p++; 647 if (p_pa->hr_len == NCI_T1T_HR_LEN) 648 { 649 p_pa->hr[0] = *p++; 650 p_pa->hr[1] = *p; 651 } 652 } 653 break; 654 655 case NCI_DISCOVERY_TYPE_POLL_B: 656 /* 657SENSB_RES Response length (n) 1 byte Length of SENSB_RES Response (Byte 2 - Byte 12 or 13)Available after Technology Detection 658SENSB_RES Response Byte 2 - Byte 12 or 13 11 or 12 bytes Defined in [DIGPROT] Available after Technology Detection 659 */ 660 p_pb = &p_param->param.pb; 661 p_pb->sensb_res_len = *p++; 662 if (p_pb->sensb_res_len > NCI_MAX_SENSB_RES_LEN) 663 p_pb->sensb_res_len = NCI_MAX_SENSB_RES_LEN; 664 STREAM_TO_ARRAY (p_pb->sensb_res, p, p_pb->sensb_res_len); 665 memcpy (p_pb->nfcid0, p_pb->sensb_res, NFC_NFCID0_MAX_LEN); 666 break; 667 668 case NCI_DISCOVERY_TYPE_POLL_F: 669 case NCI_DISCOVERY_TYPE_POLL_F_ACTIVE: 670 /* 671Bit Rate 1 byte 1 212 kbps/2 424 kbps/0 and 3 to 255 RFU 672SENSF_RES Response length.(n) 1 byte Length of SENSF_RES (Byte 2 - Byte 17 or 19).Available after Technology Detection 673SENSF_RES Response Byte 2 - Byte 17 or 19 n bytes Defined in [DIGPROT] Available after Technology Detection 674 */ 675 p_pf = &p_param->param.pf; 676 p_pf->bit_rate = *p++; 677 p_pf->sensf_res_len = *p++; 678 if (p_pf->sensf_res_len > NCI_MAX_SENSF_RES_LEN) 679 p_pf->sensf_res_len = NCI_MAX_SENSF_RES_LEN; 680 STREAM_TO_ARRAY (p_pf->sensf_res, p, p_pf->sensf_res_len); 681 memcpy (p_pf->nfcid2, p_pf->sensf_res, NCI_NFCID2_LEN); 682 p_pf->mrti_check = p_pf->sensf_res[NCI_MRTI_CHECK_INDEX]; 683 p_pf->mrti_update = p_pf->sensf_res[NCI_MRTI_UPDATE_INDEX]; 684 break; 685 686 case NCI_DISCOVERY_TYPE_LISTEN_F: 687 case NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE: 688 p_lf = &p_param->param.lf; 689 u8 = *p++; 690 if (u8) 691 { 692 STREAM_TO_ARRAY (p_lf->nfcid2, p, NCI_NFCID2_LEN); 693 } 694 break; 695 696 case NCI_DISCOVERY_TYPE_POLL_ISO15693: 697 p_i93 = &p_param->param.pi93; 698 p_i93->flag = *p++; 699 p_i93->dsfid = *p++; 700 STREAM_TO_ARRAY (p_i93->uid, p, NFC_ISO15693_UID_LEN); 701 break; 702 703 case NCI_DISCOVERY_TYPE_POLL_KOVIO: 704 p_param->param.pk.uid_len = *p++; 705 if (p_param->param.pk.uid_len > NFC_KOVIO_MAX_LEN) 706 { 707 NFC_TRACE_ERROR2( "Kovio UID len:0x%x exceeds max(0x%x)", p_param->param.pk.uid_len, NFC_KOVIO_MAX_LEN); 708 p_param->param.pk.uid_len = NFC_KOVIO_MAX_LEN; 709 } 710 STREAM_TO_ARRAY (p_param->param.pk.uid, p, p_param->param.pk.uid_len); 711 break; 712 } 713 714 return (p_start + len); 715} 716 717/******************************************************************************* 718** 719** Function nfc_ncif_proc_discover_ntf 720** 721** Description This function is called to process discover notification 722** 723** Returns void 724** 725*******************************************************************************/ 726void nfc_ncif_proc_discover_ntf (UINT8 *p, UINT16 plen) 727{ 728 tNFC_DISCOVER evt_data; 729 730 if (nfc_cb.p_discv_cback) 731 { 732 p += NCI_MSG_HDR_SIZE; 733 evt_data.status = NCI_STATUS_OK; 734 evt_data.result.rf_disc_id = *p++; 735 evt_data.result.protocol = *p++; 736 737 /* fill in tNFC_RESULT_DEVT */ 738 evt_data.result.rf_tech_param.mode = *p++; 739 p = nfc_ncif_decode_rf_params (&evt_data.result.rf_tech_param, p); 740 741 evt_data.result.more = *p++; 742 (*nfc_cb.p_discv_cback) (NFC_RESULT_DEVT, &evt_data); 743 } 744} 745 746/******************************************************************************* 747** 748** Function nfc_ncif_proc_activate 749** 750** Description This function is called to process de-activate 751** response and notification 752** 753** Returns void 754** 755*******************************************************************************/ 756void nfc_ncif_proc_activate (UINT8 *p, UINT8 len) 757{ 758 tNFC_DISCOVER evt_data; 759 tNFC_INTF_PARAMS *p_intf = &evt_data.activate.intf_param; 760 tNFC_INTF_PA_ISO_DEP *p_pa_iso; 761 tNFC_INTF_LB_ISO_DEP *p_lb_iso; 762 tNFC_INTF_PB_ISO_DEP *p_pb_iso; 763#if (NFC_RW_ONLY == FALSE) 764 tNFC_INTF_PA_NFC_DEP *p_pa_nfc; 765 int mpl_idx = 0; 766 UINT8 gb_idx = 0, mpl; 767#endif 768 UINT8 t0; 769 tNCI_DISCOVERY_TYPE mode; 770 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 771 UINT8 *pp, len_act; 772 UINT8 buff_size, num_buff; 773 tNFC_RF_PA_PARAMS *p_pa; 774 775 nfc_set_state (NFC_STATE_OPEN); 776 777 memset (p_intf, 0, sizeof (tNFC_INTF_PARAMS)); 778 evt_data.activate.rf_disc_id = *p++; 779 p_intf->type = *p++; 780 evt_data.activate.protocol = *p++; 781 782 if (evt_data.activate.protocol == NCI_PROTOCOL_18092_ACTIVE) 783 evt_data.activate.protocol = NCI_PROTOCOL_NFC_DEP; 784 785 evt_data.activate.rf_tech_param.mode = *p++; 786 buff_size = *p++; 787 num_buff = *p++; 788 /* fill in tNFC_activate_DEVT */ 789 p = nfc_ncif_decode_rf_params (&evt_data.activate.rf_tech_param, p); 790 791 evt_data.activate.data_mode = *p++; 792 evt_data.activate.tx_bitrate = *p++; 793 evt_data.activate.rx_bitrate = *p++; 794 mode = evt_data.activate.rf_tech_param.mode; 795 len_act = *p++; 796 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_activate:%d %d, mode:0x%02x", len, len_act, mode); 797 /* just in case the interface reports activation parameters not defined in the NCI spec */ 798 p_intf->intf_param.frame.param_len = len_act; 799 if (p_intf->intf_param.frame.param_len > NFC_MAX_RAW_PARAMS) 800 p_intf->intf_param.frame.param_len = NFC_MAX_RAW_PARAMS; 801 pp = p; 802 STREAM_TO_ARRAY (p_intf->intf_param.frame.param, pp, p_intf->intf_param.frame.param_len); 803 if (evt_data.activate.intf_param.type == NCI_INTERFACE_ISO_DEP) 804 { 805 /* Make max payload of NCI aligned to max payload of ISO-DEP for better performance */ 806 if (buff_size > NCI_ISO_DEP_MAX_INFO) 807 buff_size = NCI_ISO_DEP_MAX_INFO; 808 809 switch (mode) 810 { 811 case NCI_DISCOVERY_TYPE_POLL_A: 812 p_pa_iso = &p_intf->intf_param.pa_iso; 813 p_pa_iso->ats_res_len = *p++; 814 815 if (p_pa_iso->ats_res_len == 0) 816 break; 817 818 if (p_pa_iso->ats_res_len > NFC_MAX_ATS_LEN) 819 p_pa_iso->ats_res_len = NFC_MAX_ATS_LEN; 820 STREAM_TO_ARRAY (p_pa_iso->ats_res, p, p_pa_iso->ats_res_len); 821 pp = &p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 822 t0 = p_pa_iso->ats_res[NCI_ATS_T0_INDEX]; 823 pp++; /* T0 */ 824 if (t0 & NCI_ATS_TA_MASK) 825 pp++; /* TA */ 826 if (t0 & NCI_ATS_TB_MASK) 827 { 828 /* FWI (Frame Waiting time Integer) & SPGI (Start-up Frame Guard time Integer) */ 829 p_pa_iso->fwi = (((*pp) >> 4) & 0x0F); 830 p_pa_iso->sfgi = ((*pp) & 0x0F); 831 pp++; /* TB */ 832 } 833 if (t0 & NCI_ATS_TC_MASK) 834 { 835 p_pa_iso->nad_used = ((*pp) & 0x01); 836 pp++; /* TC */ 837 } 838 p_pa_iso->his_byte_len = (UINT8) (p_pa_iso->ats_res_len - (pp - p_pa_iso->ats_res)); 839 memcpy (p_pa_iso->his_byte, pp, p_pa_iso->his_byte_len); 840 break; 841 842 case NCI_DISCOVERY_TYPE_LISTEN_A: 843 p_intf->intf_param.la_iso.rats = *p++; 844 break; 845 846 case NCI_DISCOVERY_TYPE_POLL_B: 847 /* ATTRIB RSP 848 Byte 1 Byte 2 ~ 2+n-1 849 MBLI/DID Higher layer - Response 850 */ 851 p_pb_iso = &p_intf->intf_param.pb_iso; 852 p_pb_iso->attrib_res_len = *p++; 853 854 if (p_pb_iso->attrib_res_len == 0) 855 break; 856 857 if (p_pb_iso->attrib_res_len > NFC_MAX_ATTRIB_LEN) 858 p_pb_iso->attrib_res_len = NFC_MAX_ATTRIB_LEN; 859 STREAM_TO_ARRAY (p_pb_iso->attrib_res, p, p_pb_iso->attrib_res_len); 860 p_pb_iso->mbli = (p_pb_iso->attrib_res[0]) >> 4; 861 if (p_pb_iso->attrib_res_len > NFC_PB_ATTRIB_REQ_FIXED_BYTES) 862 { 863 p_pb_iso->hi_info_len = p_pb_iso->attrib_res_len - NFC_PB_ATTRIB_REQ_FIXED_BYTES; 864 if (p_pb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 865 p_pb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 866 memcpy (p_pb_iso->hi_info, &p_pb_iso->attrib_res[NFC_PB_ATTRIB_REQ_FIXED_BYTES], p_pb_iso->hi_info_len); 867 } 868 break; 869 870 case NCI_DISCOVERY_TYPE_LISTEN_B: 871 /* ATTRIB CMD 872 Byte 2~5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 ~ 10+k-1 873 NFCID0 Param 1 Param 2 Param 3 Param 4 Higher layer - INF 874 */ 875 p_lb_iso = &p_intf->intf_param.lb_iso; 876 p_lb_iso->attrib_req_len = *p++; 877 878 if (p_lb_iso->attrib_req_len == 0) 879 break; 880 881 if (p_lb_iso->attrib_req_len > NFC_MAX_ATTRIB_LEN) 882 p_lb_iso->attrib_req_len = NFC_MAX_ATTRIB_LEN; 883 STREAM_TO_ARRAY (p_lb_iso->attrib_req, p, p_lb_iso->attrib_req_len); 884 memcpy (p_lb_iso->nfcid0, p_lb_iso->attrib_req, NFC_NFCID0_MAX_LEN); 885 if (p_lb_iso->attrib_req_len > NFC_LB_ATTRIB_REQ_FIXED_BYTES) 886 { 887 p_lb_iso->hi_info_len = p_lb_iso->attrib_req_len - NFC_LB_ATTRIB_REQ_FIXED_BYTES; 888 if (p_lb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN) 889 p_lb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN; 890 memcpy (p_lb_iso->hi_info, &p_lb_iso->attrib_req[NFC_LB_ATTRIB_REQ_FIXED_BYTES], p_lb_iso->hi_info_len); 891 } 892 break; 893 } 894 895 } 896#if (NFC_RW_ONLY == FALSE) 897 else if (evt_data.activate.intf_param.type == NCI_INTERFACE_NFC_DEP) 898 { 899 /* Make max payload of NCI aligned to max payload of NFC-DEP for better performance */ 900 if (buff_size > NCI_NFC_DEP_MAX_DATA) 901 buff_size = NCI_NFC_DEP_MAX_DATA; 902 903 p_pa_nfc = &p_intf->intf_param.pa_nfc; 904 p_pa_nfc->atr_res_len = *p++; 905 906 if (p_pa_nfc->atr_res_len > 0) 907 { 908 if (p_pa_nfc->atr_res_len > NFC_MAX_ATS_LEN) 909 p_pa_nfc->atr_res_len = NFC_MAX_ATS_LEN; 910 STREAM_TO_ARRAY (p_pa_nfc->atr_res, p, p_pa_nfc->atr_res_len); 911 if ( (mode == NCI_DISCOVERY_TYPE_POLL_A) 912 ||(mode == NCI_DISCOVERY_TYPE_POLL_F) 913 ||(mode == NCI_DISCOVERY_TYPE_POLL_A_ACTIVE) 914 ||(mode == NCI_DISCOVERY_TYPE_POLL_F_ACTIVE) ) 915 { 916 /* ATR_RES 917 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17 Byte 18~18+n 918 NFCID3T DIDT BST BRT TO PPT [GT0 ... GTn] */ 919 mpl_idx = 14; 920 gb_idx = NCI_P_GEN_BYTE_INDEX; 921 p_pa_nfc->waiting_time = p_pa_nfc->atr_res[NCI_L_NFC_DEP_TO_INDEX] & 0x0F; 922 } 923 else if ( (mode == NCI_DISCOVERY_TYPE_LISTEN_A) 924 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F) 925 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE) 926 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE) ) 927 { 928 /* ATR_REQ 929 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17~17+n 930 NFCID3I DIDI BSI BRI PPI [GI0 ... GIn] */ 931 mpl_idx = 13; 932 gb_idx = NCI_L_GEN_BYTE_INDEX; 933 } 934 935 mpl = ((p_pa_nfc->atr_res[mpl_idx]) >> 4) & 0x03; 936 p_pa_nfc->max_payload_size = nfc_mpl_code_to_size[mpl]; 937 if (p_pa_nfc->atr_res_len > gb_idx) 938 { 939 p_pa_nfc->gen_bytes_len = p_pa_nfc->atr_res_len - gb_idx; 940 if (p_pa_nfc->gen_bytes_len > NFC_MAX_GEN_BYTES_LEN) 941 p_pa_nfc->gen_bytes_len = NFC_MAX_GEN_BYTES_LEN; 942 memcpy (p_pa_nfc->gen_bytes, &p_pa_nfc->atr_res[gb_idx], p_pa_nfc->gen_bytes_len); 943 } 944 } 945 } 946#endif 947 else if ((evt_data.activate.intf_param.type == NCI_INTERFACE_FRAME) && (evt_data.activate.protocol == NCI_PROTOCOL_T1T) ) 948 { 949 p_pa = &evt_data.activate.rf_tech_param.param.pa; 950 if ((len_act == NCI_T1T_HR_LEN) && (p_pa->hr_len == 0)) 951 { 952 p_pa->hr_len = NCI_T1T_HR_LEN; 953 p_pa->hr[0] = *p++; 954 p_pa->hr[1] = *p++; 955 } 956 } 957 958 p_cb->act_protocol = evt_data.activate.protocol; 959 p_cb->buff_size = buff_size; 960 p_cb->num_buff = num_buff; 961 p_cb->init_credits = num_buff; 962 963 if (nfc_cb.p_discv_cback) 964 { 965 (*nfc_cb.p_discv_cback) (NFC_ACTIVATE_DEVT, &evt_data); 966 } 967} 968 969/******************************************************************************* 970** 971** Function nfc_ncif_proc_deactivate 972** 973** Description This function is called to process de-activate 974** response and notification 975** 976** Returns void 977** 978*******************************************************************************/ 979void nfc_ncif_proc_deactivate (UINT8 status, UINT8 deact_type, BOOLEAN is_ntf) 980{ 981 tNFC_DISCOVER evt_data; 982 tNFC_DEACTIVATE_DEVT *p_deact; 983 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 984 void *p_data; 985 986 nfc_set_state (NFC_STATE_IDLE); 987 p_deact = &evt_data.deactivate; 988 p_deact->status = status; 989 p_deact->type = deact_type; 990 p_deact->is_ntf = is_ntf; 991 992 while ((p_data = GKI_dequeue (&p_cb->rx_q)) != NULL) 993 { 994 GKI_freebuf (p_data); 995 } 996 997 while ((p_data = GKI_dequeue (&p_cb->tx_q)) != NULL) 998 { 999 GKI_freebuf (p_data); 1000 } 1001 1002 if (p_cb->p_cback) 1003 (*p_cb->p_cback) (NFC_RF_CONN_ID, NFC_DEACTIVATE_CEVT, (tNFC_CONN *) p_deact); 1004 1005 if (nfc_cb.p_discv_cback) 1006 { 1007 (*nfc_cb.p_discv_cback) (NFC_DEACTIVATE_DEVT, &evt_data); 1008 } 1009} 1010/******************************************************************************* 1011** 1012** Function nfc_ncif_proc_ee_action 1013** 1014** Description This function is called to process NFCEE ACTION NTF 1015** 1016** Returns void 1017** 1018*******************************************************************************/ 1019#if ((NFC_NFCEE_INCLUDED == TRUE) && (NFC_RW_ONLY == FALSE)) 1020void nfc_ncif_proc_ee_action (UINT8 *p, UINT16 plen) 1021{ 1022 tNFC_EE_ACTION_REVT evt_data; 1023 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1024 UINT8 data_len, ulen, tag, *p_data; 1025 UINT8 max_len; 1026 1027 if (p_cback) 1028 { 1029 memset (&evt_data.act_data, 0, sizeof (tNFC_ACTION_DATA)); 1030 evt_data.status = NFC_STATUS_OK; 1031 evt_data.nfcee_id = *p++; 1032 evt_data.act_data.trigger = *p++; 1033 data_len = *p++; 1034 if (plen >= 3) 1035 plen -= 3; 1036 if (data_len > plen) 1037 data_len = (UINT8) plen; 1038 1039 switch (evt_data.act_data.trigger) 1040 { 1041 case NCI_EE_TRIG_7816_SELECT: 1042 if (data_len > NFC_MAX_AID_LEN) 1043 data_len = NFC_MAX_AID_LEN; 1044 evt_data.act_data.param.aid.len_aid = data_len; 1045 STREAM_TO_ARRAY (evt_data.act_data.param.aid.aid, p, data_len); 1046 break; 1047 case NCI_EE_TRIG_RF_PROTOCOL: 1048 evt_data.act_data.param.protocol = *p++; 1049 break; 1050 case NCI_EE_TRIG_RF_TECHNOLOGY: 1051 evt_data.act_data.param.technology = *p++; 1052 break; 1053 case NCI_EE_TRIG_APP_INIT: 1054 while (data_len > NFC_TL_SIZE) 1055 { 1056 data_len -= NFC_TL_SIZE; 1057 tag = *p++; 1058 ulen = *p++; 1059 if (ulen > data_len) 1060 ulen = data_len; 1061 p_data = NULL; 1062 max_len = ulen; 1063 switch (tag) 1064 { 1065 case NCI_EE_ACT_TAG_AID: /* AID */ 1066 if (max_len > NFC_MAX_AID_LEN) 1067 max_len = NFC_MAX_AID_LEN; 1068 evt_data.act_data.param.app_init.len_aid = max_len; 1069 p_data = evt_data.act_data.param.app_init.aid; 1070 break; 1071 case NCI_EE_ACT_TAG_DATA: /* hex data for app */ 1072 if (max_len > NFC_MAX_APP_DATA_LEN) 1073 max_len = NFC_MAX_APP_DATA_LEN; 1074 evt_data.act_data.param.app_init.len_data = max_len; 1075 p_data = evt_data.act_data.param.app_init.data; 1076 break; 1077 } 1078 if (p_data) 1079 { 1080 STREAM_TO_ARRAY (p_data, p, max_len); 1081 } 1082 data_len -= ulen; 1083 } 1084 break; 1085 } 1086 (*p_cback) (NFC_EE_ACTION_REVT, (tNFC_RESPONSE *) &evt_data); 1087 } 1088} 1089 1090/******************************************************************************* 1091** 1092** Function nfc_ncif_proc_ee_discover_req 1093** 1094** Description This function is called to process NFCEE DISCOVER REQ NTF 1095** 1096** Returns void 1097** 1098*******************************************************************************/ 1099void nfc_ncif_proc_ee_discover_req (UINT8 *p, UINT16 plen) 1100{ 1101 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1102 tNFC_EE_DISCOVER_REQ_REVT ee_disc_req; 1103 tNFC_EE_DISCOVER_INFO *p_info; 1104 UINT8 u8; 1105 1106 NFC_TRACE_DEBUG2 ("nfc_ncif_proc_ee_discover_req %d len:%d", *p, plen); 1107 if (p_cback) 1108 { 1109 u8 = *p; 1110 ee_disc_req.status = NFC_STATUS_OK; 1111 ee_disc_req.num_info = *p++; 1112 p_info = ee_disc_req.info; 1113 if (plen) 1114 plen--; 1115 while ((u8 > 0) && (plen >= NFC_EE_DISCOVER_ENTRY_LEN)) 1116 { 1117 p_info->op = *p++; /* T */ 1118 if (*p != NFC_EE_DISCOVER_INFO_LEN)/* L */ 1119 { 1120 NFC_TRACE_DEBUG1 ("bad entry len:%d", *p ); 1121 return; 1122 } 1123 p++; 1124 /* V */ 1125 p_info->nfcee_id = *p++; 1126 p_info->tech_n_mode = *p++; 1127 p_info->protocol = *p++; 1128 u8--; 1129 plen -=NFC_EE_DISCOVER_ENTRY_LEN; 1130 p_info++; 1131 } 1132 (*p_cback) (NFC_EE_DISCOVER_REQ_REVT, (tNFC_RESPONSE *) &ee_disc_req); 1133 } 1134 1135} 1136 1137/******************************************************************************* 1138** 1139** Function nfc_ncif_proc_get_routing 1140** 1141** Description This function is called to process get routing notification 1142** 1143** Returns void 1144** 1145*******************************************************************************/ 1146void nfc_ncif_proc_get_routing (UINT8 *p, UINT8 len) 1147{ 1148 tNFC_GET_ROUTING_REVT evt_data; 1149 UINT8 more, num_entries, xx, yy, *pn, tl; 1150 tNFC_STATUS status = NFC_STATUS_CONTINUE; 1151 1152 if (nfc_cb.p_resp_cback) 1153 { 1154 more = *p++; 1155 num_entries = *p++; 1156 for (xx = 0; xx < num_entries; xx++) 1157 { 1158 if ((more == FALSE) && (xx == (num_entries - 1))) 1159 status = NFC_STATUS_OK; 1160 evt_data.status = (tNFC_STATUS) status; 1161 evt_data.nfcee_id = *p++; 1162 evt_data.num_tlvs = *p++; 1163 evt_data.tlv_size = 0; 1164 pn = evt_data.param_tlvs; 1165 for (yy = 0; yy < evt_data.num_tlvs; yy++) 1166 { 1167 tl = *(p+1); 1168 tl += NFC_TL_SIZE; 1169 STREAM_TO_ARRAY (pn, p, tl); 1170 evt_data.tlv_size += tl; 1171 pn += tl; 1172 } 1173 (*nfc_cb.p_resp_cback) (NFC_GET_ROUTING_REVT, (tNFC_RESPONSE *) &evt_data); 1174 } 1175 } 1176} 1177#endif 1178 1179/******************************************************************************* 1180** 1181** Function nfc_ncif_proc_conn_create_rsp 1182** 1183** Description This function is called to process connection create 1184** response 1185** 1186** Returns void 1187** 1188*******************************************************************************/ 1189void nfc_ncif_proc_conn_create_rsp (UINT8 *p, UINT16 plen, UINT8 dest_type) 1190{ 1191 tNFC_CONN_CB * p_cb; 1192 tNFC_STATUS status; 1193 tNFC_CONN_CBACK *p_cback; 1194 tNFC_CONN evt_data; 1195 UINT8 conn_id; 1196 1197 /* find the pending connection control block */ 1198 p_cb = nfc_find_conn_cb_by_conn_id (NFC_PEND_CONN_ID); 1199 if (p_cb) 1200 { 1201 p += NCI_MSG_HDR_SIZE; 1202 status = *p++; 1203 p_cb->buff_size = *p++; 1204 p_cb->num_buff = p_cb->init_credits = *p++; 1205 conn_id = *p++; 1206 evt_data.conn_create.status = status; 1207 evt_data.conn_create.dest_type = dest_type; 1208 evt_data.conn_create.id = p_cb->id; 1209 evt_data.conn_create.buff_size = p_cb->buff_size; 1210 evt_data.conn_create.num_buffs = p_cb->num_buff; 1211 p_cback = p_cb->p_cback; 1212 if (status == NCI_STATUS_OK) 1213 { 1214 nfc_set_conn_id (p_cb, conn_id); 1215 } 1216 else 1217 { 1218 nfc_free_conn_cb (p_cb); 1219 } 1220 1221 1222 if (p_cback) 1223 (*p_cback) (conn_id, NFC_CONN_CREATE_CEVT, &evt_data); 1224 } 1225} 1226 1227/******************************************************************************* 1228** 1229** Function nfc_ncif_report_conn_close_evt 1230** 1231** Description This function is called to report connection close event 1232** 1233** Returns void 1234** 1235*******************************************************************************/ 1236void nfc_ncif_report_conn_close_evt (UINT8 conn_id, tNFC_STATUS status) 1237{ 1238 tNFC_CONN evt_data; 1239 tNFC_CONN_CBACK *p_cback; 1240 tNFC_CONN_CB *p_cb; 1241 1242 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 1243 if (p_cb) 1244 { 1245 p_cback = p_cb->p_cback; 1246 nfc_free_conn_cb (p_cb); 1247 evt_data.status = status; 1248 if (p_cback) 1249 (*p_cback) (conn_id, NFC_CONN_CLOSE_CEVT, &evt_data); 1250 } 1251} 1252 1253/******************************************************************************* 1254** 1255** Function nfc_ncif_proc_reset_rsp 1256** 1257** Description This function is called to process reset response/notification 1258** 1259** Returns void 1260** 1261*******************************************************************************/ 1262void nfc_ncif_proc_reset_rsp (UINT8 *p, BOOLEAN is_ntf) 1263{ 1264 UINT8 status = *p++; 1265 1266 if (is_ntf) 1267 { 1268 NFC_TRACE_ERROR1 ("reset notification!!:0x%x ", status); 1269 /* clean up, if the state is OPEN 1270 * FW does not report reset ntf right now */ 1271 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 1272 { 1273 /*if any conn_cb is connected, close it. 1274 if any pending outgoing packets are dropped.*/ 1275 nfc_reset_all_conn_cbs (); 1276 } 1277 status = NCI_STATUS_OK; 1278 } 1279 1280 if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC)) 1281 { 1282 nfc_reset_all_conn_cbs (); 1283 } 1284 1285 if (status == NCI_STATUS_OK) 1286 { 1287 if ((*p) != NCI_VERSION) 1288 { 1289 NFC_TRACE_ERROR2 ("NCI version mismatch!!:0x%02x != 0x%02x ", NCI_VERSION, *p); 1290 if ((*p) < NCI_VERSION_0_F) 1291 { 1292 NFC_TRACE_ERROR0 ("NFCC version is too old"); 1293 status = NCI_STATUS_FAILED; 1294 } 1295 } 1296 } 1297 1298 if (status == NCI_STATUS_OK) 1299 { 1300 nci_snd_core_init (); 1301 } 1302 else 1303 { 1304 NFC_TRACE_ERROR0 ("Failed to reset NFCC"); 1305 nfc_enabled (status, NULL); 1306 } 1307} 1308 1309/******************************************************************************* 1310** 1311** Function nfc_ncif_proc_init_rsp 1312** 1313** Description This function is called to process init response 1314** 1315** Returns void 1316** 1317*******************************************************************************/ 1318void nfc_ncif_proc_init_rsp (BT_HDR *p_msg) 1319{ 1320 UINT8 *p, status; 1321 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; 1322 1323 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 1324 1325 /* handle init params in nfc_enabled */ 1326 status = *(p + NCI_MSG_HDR_SIZE); 1327 if (status == NCI_STATUS_OK) 1328 { 1329 p_cb->id = NFC_RF_CONN_ID; 1330 p_cb->act_protocol = NCI_PROTOCOL_UNKNOWN; 1331 1332 nfc_set_state (NFC_STATE_W4_POST_INIT_CPLT); 1333 1334 nfc_cb.p_nci_init_rsp = p_msg; 1335 nfc_cb.p_hal->core_initialized (p); 1336 } 1337 else 1338 { 1339 nfc_enabled (status, NULL); 1340 GKI_freebuf (p_msg); 1341 } 1342} 1343 1344/******************************************************************************* 1345** 1346** Function nfc_ncif_proc_get_config_rsp 1347** 1348** Description This function is called to process get config response 1349** 1350** Returns void 1351** 1352*******************************************************************************/ 1353void nfc_ncif_proc_get_config_rsp (BT_HDR *p_evt) 1354{ 1355 UINT8 *p; 1356 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; 1357 tNFC_RESPONSE evt_data; 1358 1359 p_evt->offset += NCI_MSG_HDR_SIZE; 1360 p_evt->len -= NCI_MSG_HDR_SIZE; 1361 if (p_cback) 1362 { 1363 p = (UINT8 *) (p_evt + 1) + p_evt->offset; 1364 evt_data.get_config.status = *p++; 1365 evt_data.get_config.tlv_size = p_evt->len; 1366 evt_data.get_config.p_param_tlvs = p; 1367 (*p_cback) (NFC_GET_CONFIG_REVT, &evt_data); 1368 } 1369} 1370 1371/******************************************************************************* 1372** 1373** Function nfc_ncif_proc_t3t_polling_ntf 1374** 1375** Description Handle NCI_MSG_RF_T3T_POLLING NTF 1376** 1377** Returns void 1378** 1379*******************************************************************************/ 1380void nfc_ncif_proc_t3t_polling_ntf (UINT8 *p, UINT16 plen) 1381{ 1382 UINT8 status; 1383 UINT8 num_responses; 1384 1385 /* Pass result to RW_T3T for processing */ 1386 STREAM_TO_UINT8 (status, p); 1387 STREAM_TO_UINT8 (num_responses, p); 1388 plen-=NFC_TL_SIZE; 1389 rw_t3t_handle_nci_poll_ntf (status, num_responses, (UINT8) plen, p); 1390} 1391 1392/******************************************************************************* 1393** 1394** Function nfc_data_event 1395** 1396** Description Report Data event on the given connection control block 1397** 1398** Returns void 1399** 1400*******************************************************************************/ 1401void nfc_data_event (tNFC_CONN_CB * p_cb) 1402{ 1403 BT_HDR *p_evt; 1404 tNFC_DATA_CEVT data_cevt; 1405 UINT8 *p; 1406 1407 if (p_cb->p_cback) 1408 { 1409 while ((p_evt = (BT_HDR *)GKI_getfirst (&p_cb->rx_q)) != NULL) 1410 { 1411 if (p_evt->layer_specific & NFC_RAS_FRAGMENTED) 1412 { 1413 /* Not the last fragment */ 1414 if (!(p_evt->layer_specific & NFC_RAS_TOO_BIG)) 1415 { 1416 /* buffer can hold more */ 1417 if ( (p_cb->conn_id != NFC_RF_CONN_ID) 1418 ||(nfc_cb.reassembly) ) 1419 { 1420 /* If not rf connection or If rf connection and reassembly requested, 1421 * try to Reassemble next packet */ 1422 break; 1423 } 1424 } 1425 } 1426 1427 p_evt = (BT_HDR *) GKI_dequeue (&p_cb->rx_q); 1428 /* report data event */ 1429 p_evt->offset += NCI_MSG_HDR_SIZE; 1430 p_evt->len -= NCI_MSG_HDR_SIZE; 1431 1432 if (p_evt->layer_specific) 1433 data_cevt.status = NFC_STATUS_CONTINUE; 1434 else 1435 { 1436 nfc_cb.reassembly = TRUE; 1437 data_cevt.status = NFC_STATUS_OK; 1438 } 1439 1440 data_cevt.p_data = p_evt; 1441 /* adjust payload, if needed */ 1442 if (p_cb->conn_id == NFC_RF_CONN_ID) 1443 { 1444 /* if NCI_PROTOCOL_T1T/NCI_PROTOCOL_T2T/NCI_PROTOCOL_T3T, the status byte needs to be removed 1445 */ 1446 if ((p_cb->act_protocol >= NCI_PROTOCOL_T1T) && (p_cb->act_protocol <= NCI_PROTOCOL_T3T)) 1447 { 1448 p_evt->len--; 1449 p = (UINT8 *) (p_evt + 1); 1450 data_cevt.status = *(p + p_evt->offset + p_evt->len); 1451 } 1452 } 1453 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_CEVT, (tNFC_CONN *) &data_cevt); 1454 p_evt = NULL; 1455 } 1456 } 1457} 1458 1459/******************************************************************************* 1460** 1461** Function nfc_ncif_proc_data 1462** 1463** Description Find the connection control block associated with the data 1464** packet. Assemble the data packet, if needed. 1465** Report the Data event. 1466** 1467** Returns void 1468** 1469*******************************************************************************/ 1470void nfc_ncif_proc_data (BT_HDR *p_msg) 1471{ 1472 UINT8 *pp, cid; 1473 tNFC_CONN_CB * p_cb; 1474 UINT8 pbf; 1475 BT_HDR *p_last; 1476 UINT8 *ps, *pd; 1477 UINT16 size; 1478 BT_HDR *p_max = NULL; 1479 UINT16 len; 1480 1481 pp = (UINT8 *) (p_msg+1) + p_msg->offset; 1482 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_data 0x%02x%02x%02x", pp[0], pp[1], pp[2]); 1483 NCI_DATA_PRS_HDR (pp, pbf, cid, len); 1484 p_cb = nfc_find_conn_cb_by_conn_id (cid); 1485 if (p_cb && (p_msg->len >= NCI_DATA_HDR_SIZE)) 1486 { 1487 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", len); 1488 1489 p_msg->layer_specific = 0; 1490 if (pbf) 1491 p_msg->layer_specific = NFC_RAS_FRAGMENTED; 1492 p_last = (BT_HDR *)GKI_getlast (&p_cb->rx_q); 1493 if (p_last && (p_last->layer_specific & NFC_RAS_FRAGMENTED)) 1494 { 1495 /* last data buffer is not last fragment, append this new packet to the last */ 1496 size = GKI_get_buf_size(p_last); 1497 if (size < (BT_HDR_SIZE + p_last->len + p_last->offset + len)) 1498 { 1499 /* the current size of p_last is not big enough to hold the new fragment, p_msg */ 1500 if (size != GKI_MAX_BUF_SIZE) 1501 { 1502 /* try the biggest GKI pool */ 1503 p_max = (BT_HDR *)GKI_getpoolbuf (GKI_MAX_BUF_SIZE_POOL_ID); 1504 if (p_max) 1505 { 1506 /* copy the content of last buffer to the new buffer */ 1507 memcpy(p_max, p_last, BT_HDR_SIZE); 1508 pd = (UINT8 *)(p_max + 1) + p_max->offset; 1509 ps = (UINT8 *)(p_last + 1) + p_last->offset; 1510 memcpy(pd, ps, p_last->len); 1511 1512 /* place the new buffer in the queue instead */ 1513 GKI_remove_from_queue (&p_cb->rx_q, p_last); 1514 GKI_freebuf (p_last); 1515 GKI_enqueue (&p_cb->rx_q, p_max); 1516 p_last = p_max; 1517 } 1518 } 1519 if (p_max == NULL) 1520 { 1521 /* Biggest GKI Pool not available (or) 1522 * Biggest available GKI Pool is not big enough to hold the new fragment, p_msg */ 1523 p_last->layer_specific |= NFC_RAS_TOO_BIG; 1524 } 1525 } 1526 1527 ps = (UINT8 *)(p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE; 1528 len = p_msg->len - NCI_MSG_HDR_SIZE; 1529 1530 if (!(p_last->layer_specific & NFC_RAS_TOO_BIG)) 1531 { 1532 pd = (UINT8 *)(p_last + 1) + p_last->offset + p_last->len; 1533 memcpy(pd, ps, len); 1534 p_last->len += len; 1535 /* do not need to update pbf and len in NCI header. 1536 * They are stripped off at NFC_DATA_CEVT and len may exceed 255 */ 1537 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", p_last->len); 1538 p_last->layer_specific = p_msg->layer_specific; 1539 GKI_freebuf (p_msg); 1540#ifdef DISP_NCI 1541 if (!(p_last->layer_specific & NFC_RAS_FRAGMENTED)) 1542 { 1543 /* this packet was reassembled. display the complete packet */ 1544 DISP_NCI ((UINT8 *)(p_last + 1) + p_last->offset, p_last->len, TRUE); 1545 } 1546#endif 1547 nfc_data_event (p_cb); 1548 } 1549 else 1550 { 1551 /* Not enough memory to add new buffer 1552 * Send data already in queue first with status Continue */ 1553 nfc_data_event (p_cb); 1554 /* now enqueue the new buffer to the rx queue */ 1555 GKI_enqueue (&p_cb->rx_q, p_msg); 1556 } 1557 } 1558 else 1559 { 1560 /* if this is the first fragment on RF link */ 1561 if ( (p_msg->layer_specific & NFC_RAS_FRAGMENTED) 1562 &&(p_cb->conn_id == NFC_RF_CONN_ID) 1563 &&(p_cb->p_cback) ) 1564 { 1565 /* Indicate upper layer that local device started receiving data */ 1566 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_START_CEVT, NULL); 1567 } 1568 /* enqueue the new buffer to the rx queue */ 1569 GKI_enqueue (&p_cb->rx_q, p_msg); 1570 nfc_data_event (p_cb); 1571 } 1572 return; 1573 } 1574 GKI_freebuf (p_msg); 1575} 1576 1577#endif /* NFC_INCLUDED == TRUE*/ 1578