nfc_ncif.c revision 1c9ec36d38f5c62c9ab6874141e3559777046438
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 /* XXX maco since this failure is unrecoverable, abort the process */ 107 abort(); 108} 109 110/******************************************************************************* 111** 112** Function nfc_wait_2_deactivate_timeout 113** 114** Description Handle a command timeout 115** 116** Returns void 117** 118*******************************************************************************/ 119void nfc_wait_2_deactivate_timeout (void) 120{ 121 NFC_TRACE_ERROR0 ("nfc_wait_2_deactivate_timeout"); 122 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 123 nci_snd_deactivate_cmd ((UINT8) ((TIMER_PARAM_TYPE) nfc_cb.deactivate_timer.param)); 124} 125 126 127/******************************************************************************* 128** 129** Function nfc_ncif_send_data 130** 131** Description This function is called to add the NCI data header 132** and send it to NCIT task for sending it to transport 133** as credits are available. 134** 135** Returns void 136** 137*******************************************************************************/ 138UINT8 nfc_ncif_send_data (tNFC_CONN_CB *p_cb, BT_HDR *p_data) 139{ 140 UINT8 *pp; 141 UINT8 *ps; 142 UINT8 ulen = NCI_MAX_PAYLOAD_SIZE; 143 BT_HDR *p; 144 UINT8 pbf = 1; 145 UINT8 buffer_size = p_cb->buff_size; 146 UINT8 hdr0 = p_cb->conn_id; 147 BOOLEAN fragmented = FALSE; 148 149 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); 150 if (p_cb->id == NFC_RF_CONN_ID) 151 { 152 if (nfc_cb.nfc_state != NFC_STATE_OPEN) 153 { 154 if (nfc_cb.nfc_state == NFC_STATE_CLOSING) 155 { 156 if ((p_data == NULL) && /* called because credit from NFCC */ 157 (nfc_cb.flags & NFC_FL_DEACTIVATING)) 158 { 159 if (p_cb->init_credits == p_cb->num_buff) 160 { 161 /* all the credits are back */ 162 nfc_cb.flags &= ~NFC_FL_DEACTIVATING; 163 NFC_TRACE_DEBUG2 ("deactivating NFC-DEP init_credits:%d, num_buff:%d", p_cb->init_credits, p_cb->num_buff); 164 nfc_stop_timer(&nfc_cb.deactivate_timer); 165 nci_snd_deactivate_cmd ((UINT8)((TIMER_PARAM_TYPE)nfc_cb.deactivate_timer.param)); 166 } 167 } 168 } 169 return NCI_STATUS_FAILED; 170 } 171 } 172 173 if (p_data) 174 { 175 /* always enqueue the data to the tx queue */ 176 GKI_enqueue (&p_cb->tx_q, p_data); 177 } 178 179 /* try to send the first data packet in the tx queue */ 180 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 181 182 /* post data fragment to NCIT task as credits are available */ 183 while (p_data && (p_data->len >= 0) && (p_cb->num_buff > 0)) 184 { 185 if (p_data->len <= buffer_size) 186 { 187 pbf = 0; /* last fragment */ 188 ulen = (UINT8)(p_data->len); 189 fragmented = FALSE; 190 } 191 else 192 { 193 fragmented = TRUE; 194 ulen = buffer_size; 195 } 196 197 if (!fragmented) 198 { 199 /* if data packet is not fragmented, use the original buffer */ 200 p = p_data; 201 p_data = (BT_HDR *)GKI_dequeue (&p_cb->tx_q); 202 } 203 else 204 { 205 /* the data packet is too big and need to be fragmented 206 * prepare a new GKI buffer 207 * (even the last fragment to avoid issues) */ 208 if ((p = NCI_GET_CMD_BUF(ulen)) == NULL) 209 return (NCI_STATUS_BUFFER_FULL); 210 p->len = ulen; 211 p->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + 1; 212 if (p->len) 213 { 214 pp = (UINT8 *)(p + 1) + p->offset; 215 ps = (UINT8 *)(p_data + 1) + p_data->offset; 216 memcpy (pp, ps, ulen); 217 } 218 /* adjust the BT_HDR on the old fragment */ 219 p_data->len -= ulen; 220 p_data->offset += ulen; 221 } 222 223 p->event = BT_EVT_TO_NFC_NCI; 224 p->layer_specific = pbf; 225 p->len += NCI_DATA_HDR_SIZE; 226 p->offset -= NCI_DATA_HDR_SIZE; 227 pp = (UINT8 *)(p + 1) + p->offset; 228 /* build NCI Data packet header */ 229 NCI_DATA_PBLD_HDR(pp, pbf, hdr0, ulen); 230 231 if (p_cb->num_buff != NFC_CONN_NO_FC) 232 p_cb->num_buff--; 233 234 /* send to HAL */ 235 HAL_WRITE(p); 236 237 if (!fragmented) 238 { 239 /* check if there are more data to send */ 240 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q); 241 } 242 } 243 244 return (NCI_STATUS_OK); 245} 246 247/******************************************************************************* 248** 249** Function nfc_ncif_check_cmd_queue 250** 251** Description Send NCI command to the transport 252** 253** Returns void 254** 255*******************************************************************************/ 256void nfc_ncif_check_cmd_queue (BT_HDR *p_buf) 257{ 258 UINT8 *ps; 259 /* If there are commands waiting in the xmit queue, or if the controller cannot accept any more commands, */ 260 /* then enqueue this command */ 261 if (p_buf) 262 { 263 if ((nfc_cb.nci_cmd_xmit_q.count) || (nfc_cb.nci_cmd_window == 0)) 264 { 265 GKI_enqueue (&nfc_cb.nci_cmd_xmit_q, p_buf); 266 p_buf = NULL; 267 } 268 } 269 270 /* If controller can accept another command, then send the next command */ 271 if (nfc_cb.nci_cmd_window > 0) 272 { 273 /* If no command was provided, or if older commands were in the queue, then get cmd from the queue */ 274 if (!p_buf) 275 p_buf = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q); 276 277 if (p_buf) 278 { 279 /* save the message header to double check the response */ 280 ps = (UINT8 *)(p_buf + 1) + p_buf->offset; 281 memcpy(nfc_cb.last_hdr, ps, NFC_SAVED_HDR_SIZE); 282 memcpy(nfc_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_SAVED_CMD_SIZE); 283 if (p_buf->layer_specific == NFC_WAIT_RSP_VSC) 284 { 285 /* save the callback for NCI VSCs) */ 286 nfc_cb.p_vsc_cback = (void *)((tNFC_NCI_VS_MSG *)p_buf)->p_cback; 287 } 288 289 /* send to HAL */ 290 HAL_WRITE(p_buf); 291 292 /* Indicate command is pending */ 293 nfc_cb.nci_cmd_window--; 294 295 /* start NFC command-timeout timer */ 296 nfc_start_timer (&nfc_cb.nci_wait_rsp_timer, (UINT16)(NFC_TTYPE_NCI_WAIT_RSP), nfc_cb.nci_wait_rsp_tout); 297 } 298 } 299 300 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW) 301 { 302 /* the command queue must be empty now */ 303 if (nfc_cb.flags & NFC_FL_CONTROL_REQUESTED) 304 { 305 /* HAL requested control or stack needs to handle pre-discover */ 306 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED; 307 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) 308 { 309 if (nfc_cb.p_hal->prediscover ()) 310 { 311 /* HAL has the command window now */ 312 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 313 nfc_cb.nci_cmd_window = 0; 314 } 315 else 316 { 317 /* HAL does not need to send command, 318 * - restore the command window and issue the discovery command now */ 319 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; 320 ps = (UINT8 *)nfc_cb.p_disc_pending; 321 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); 322 GKI_freebuf (nfc_cb.p_disc_pending); 323 nfc_cb.p_disc_pending = NULL; 324 } 325 } 326 else if (nfc_cb.flags & NFC_FL_HAL_REQUESTED) 327 { 328 /* grant the control to HAL */ 329 nfc_cb.flags &= ~NFC_FL_HAL_REQUESTED; 330 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED; 331 nfc_cb.nci_cmd_window = 0; 332 nfc_cb.p_hal->control_granted (); 333 } 334 } 335 } 336} 337 338 339/******************************************************************************* 340** 341** Function nfc_ncif_send_cmd 342** 343** Description Send NCI command to the NCIT task 344** 345** Returns void 346** 347*******************************************************************************/ 348void nfc_ncif_send_cmd (BT_HDR *p_buf) 349{ 350 /* post the p_buf to NCIT task */ 351 p_buf->event = BT_EVT_TO_NFC_NCI; 352 p_buf->layer_specific = 0; 353 nfc_ncif_check_cmd_queue (p_buf); 354} 355 356 357/******************************************************************************* 358** 359** Function nfc_ncif_process_event 360** 361** Description This function is called to process the data/response/notification 362** from NFCC 363** 364** Returns TRUE if need to free buffer 365** 366*******************************************************************************/ 367BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg) 368{ 369 UINT8 mt, pbf, gid, *p, *pp; 370 BOOLEAN free = TRUE; 371 UINT8 oid; 372 UINT8 *p_old, old_gid, old_oid, old_mt; 373 374 p = (UINT8 *) (p_msg + 1) + p_msg->offset; 375 376 pp = p; 377 NCI_MSG_PRS_HDR0 (pp, mt, pbf, gid); 378 379 switch (mt) 380 { 381 case NCI_MT_DATA: 382 NFC_TRACE_DEBUG0 ("NFC received data"); 383 nfc_ncif_proc_data (p_msg); 384 free = FALSE; 385 break; 386 387 case NCI_MT_RSP: 388 NFC_TRACE_DEBUG1 ("NFC received rsp gid:%d", gid); 389 oid = ((*pp) & NCI_OID_MASK); 390 p_old = nfc_cb.last_hdr; 391 NCI_MSG_PRS_HDR0(p_old, old_mt, pbf, old_gid); 392 old_oid = ((*p_old) & NCI_OID_MASK); 393 /* make sure this is the RSP we are waiting for before updating the command window */ 394 if ((old_gid != gid) || (old_oid != oid)) 395 { 396 NFC_TRACE_ERROR2 ("nfc_ncif_process_event unexpected rsp: gid:0x%x, oid:0x%x", gid, oid); 397 return TRUE; 398 } 399 400 switch (gid) 401 { 402 case NCI_GID_CORE: /* 0000b NCI Core group */ 403 free = nci_proc_core_rsp (p_msg); 404 break; 405 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 406 nci_proc_rf_management_rsp (p_msg); 407 break; 408#if (NFC_NFCEE_INCLUDED == TRUE) 409#if (NFC_RW_ONLY == FALSE) 410 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 411 nci_proc_ee_management_rsp (p_msg); 412 break; 413#endif 414#endif 415 case NCI_GID_PROP: /* 1111b Proprietary */ 416 nci_proc_prop_rsp (p_msg); 417 break; 418 default: 419 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 420 break; 421 } 422 423 nfc_ncif_update_window (); 424 break; 425 426 case NCI_MT_NTF: 427 NFC_TRACE_DEBUG1 ("NFC received ntf gid:%d", gid); 428 switch (gid) 429 { 430 case NCI_GID_CORE: /* 0000b NCI Core group */ 431 nci_proc_core_ntf (p_msg); 432 break; 433 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */ 434 nci_proc_rf_management_ntf (p_msg); 435 break; 436#if (NFC_NFCEE_INCLUDED == TRUE) 437#if (NFC_RW_ONLY == FALSE) 438 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */ 439 nci_proc_ee_management_ntf (p_msg); 440 break; 441#endif 442#endif 443 case NCI_GID_PROP: /* 1111b Proprietary */ 444 nci_proc_prop_ntf (p_msg); 445 break; 446 default: 447 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid); 448 break; 449 } 450 break; 451 452 default: 453 NFC_TRACE_DEBUG2 ("NFC received unknown mt:0x%x, gid:%d", mt, gid); 454 } 455 456 return (free); 457} 458 459/******************************************************************************* 460** 461** Function nfc_ncif_rf_management_status 462** 463** Description This function is called to report an event 464** 465** Returns void 466** 467*******************************************************************************/ 468void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status) 469{ 470 tNFC_DISCOVER evt_data; 471 if (nfc_cb.p_discv_cback) 472 { 473 evt_data.status = (tNFC_STATUS) status; 474 (*nfc_cb.p_discv_cback) (event, &evt_data); 475 } 476} 477 478/******************************************************************************* 479** 480** Function nfc_ncif_set_config_status 481** 482** Description This function is called to report NFC_SET_CONFIG_REVT 483** 484** Returns void 485** 486*******************************************************************************/ 487void nfc_ncif_set_config_status (UINT8 *p, UINT8 len) 488{ 489 tNFC_RESPONSE evt_data; 490 if (nfc_cb.p_resp_cback) 491 { 492 evt_data.set_config.status = (tNFC_STATUS) *p++; 493 evt_data.set_config.num_param_id = NFC_STATUS_OK; 494 if (evt_data.set_config.status != NFC_STATUS_OK) 495 { 496 evt_data.set_config.num_param_id = *p++; 497 STREAM_TO_ARRAY (evt_data.set_config.param_ids, p, evt_data.set_config.num_param_id); 498 } 499 500 (*nfc_cb.p_resp_cback) (NFC_SET_CONFIG_REVT, &evt_data); 501 } 502} 503 504/******************************************************************************* 505** 506** Function nfc_ncif_event_status 507** 508** Description This function is called to report an event 509** 510** Returns void 511** 512*******************************************************************************/ 513void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status) 514{ 515 tNFC_RESPONSE evt_data; 516 if (nfc_cb.p_resp_cback) 517 { 518 evt_data.status = (tNFC_STATUS) status; 519 (*nfc_cb.p_resp_cback) (event, &evt_data); 520 } 521} 522 523/******************************************************************************* 524** 525** Function nfc_ncif_error_status 526** 527** Description This function is called to report an error event to data cback 528** 529** Returns void 530** 531*******************************************************************************/ 532void nfc_ncif_error_status (UINT8 conn_id, UINT8 status) 533{ 534 tNFC_CONN_CB * p_cb; 535 p_cb = nfc_find_conn_cb_by_conn_id (conn_id); 536 if (p_cb && p_cb->p_cback) 537 { 538 (*p_cb->p_cback) (conn_id, NFC_ERROR_CEVT, (tNFC_CONN *) &status); 539 } 540} 541 542/******************************************************************************* 543** 544** Function nfc_ncif_proc_rf_field_ntf 545** 546** Description This function is called to process RF field notification 547** 548** Returns void 549** 550*******************************************************************************/ 551#if (NFC_RW_ONLY == FALSE) 552void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status) 553{ 554 tNFC_RESPONSE evt_data; 555 if (nfc_cb.p_resp_cback) 556 { 557 evt_data.status = (tNFC_STATUS) NFC_STATUS_OK; 558 evt_data.rf_field.rf_field = rf_status; 559 (*nfc_cb.p_resp_cback) (NFC_RF_FIELD_REVT, &evt_data); 560 } 561} 562#endif 563 564/******************************************************************************* 565** 566** Function nfc_ncif_proc_credits 567** 568** Description This function is called to process data credits 569** 570** Returns void 571** 572*******************************************************************************/ 573void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen) 574{ 575 UINT8 num, xx; 576 tNFC_CONN_CB * p_cb; 577 578 num = *p++; 579 for (xx = 0; xx < num; xx++) 580 { 581 p_cb = nfc_find_conn_cb_by_conn_id(*p++); 582 if (p_cb && p_cb->num_buff != NFC_CONN_NO_FC) 583 { 584 p_cb->num_buff += (*p); 585#if (BT_USE_TRACES == TRUE) 586 if (p_cb->num_buff > p_cb->init_credits) 587 { 588 if (nfc_cb.nfc_state == NFC_STATE_OPEN) 589 { 590 /* if this happens in activated state, it's very likely that our NFCC has issues */ 591 /* However, credit may be returned after deactivation */ 592 NFC_TRACE_ERROR2( "num_buff:0x%x, init_credits:0x%x", p_cb->num_buff, p_cb->init_credits); 593 } 594 p_cb->num_buff = p_cb->init_credits; 595 } 596#endif 597 /* check if there's nay data in tx q to be sent */ 598 nfc_ncif_send_data (p_cb, NULL); 599 } 600 p++; 601 } 602} 603/******************************************************************************* 604** 605** Function nfc_ncif_decode_rf_params 606** 607** Description This function is called to process the detected technology 608** and mode and the associated parameters for DISCOVER_NTF and 609** ACTIVATE_NTF 610** 611** Returns void 612** 613*******************************************************************************/ 614UINT8 * nfc_ncif_decode_rf_params (tNFC_RF_TECH_PARAMS *p_param, UINT8 *p) 615{ 616 tNFC_RF_PA_PARAMS *p_pa; 617 UINT8 len, *p_start, u8; 618 tNFC_RF_PB_PARAMS *p_pb; 619 tNFC_RF_LF_PARAMS *p_lf; 620 tNFC_RF_PF_PARAMS *p_pf; 621 tNFC_RF_PISO15693_PARAMS *p_i93; 622 623 len = *p++; 624 p_start = p; 625 memset ( &p_param->param, 0, sizeof (tNFC_RF_TECH_PARAMU)); 626 switch (p_param->mode) 627 { 628 case NCI_DISCOVERY_TYPE_POLL_A: 629 case NCI_DISCOVERY_TYPE_POLL_A_ACTIVE: 630 p_pa = &p_param->param.pa; 631 /* 632SENS_RES Response 2 bytes Defined in [DIGPROT] Available after Technology Detection 633NFCID1 length 1 byte Length of NFCID1 Available after Collision Resolution 634NFCID1 4, 7, or 10 bytes Defined in [DIGPROT]Available after Collision Resolution 635SEL_RES Response 1 byte Defined in [DIGPROT]Available after Collision Resolution 636HRx Length 1 Octets Length of HRx Parameters collected from the response to the T1T RID command. 637HRx 0 or 2 Octets If present, the first byte SHALL contain HR0 and the second byte SHALL contain HR1 as defined in [DIGITAL]. 638 */ 639 STREAM_TO_ARRAY (p_pa->sens_res, p, 2); 640 p_pa->nfcid1_len = *p++; 641 if (p_pa->nfcid1_len > NCI_NFCID1_MAX_LEN) 642 p_pa->nfcid1_len = NCI_NFCID1_MAX_LEN; 643 STREAM_TO_ARRAY (p_pa->nfcid1, p, p_pa->nfcid1_len); 644 u8 = *p++; 645 if (u8) 646 p_pa->sel_rsp = *p++; 647 if (len == (7 + p_pa->nfcid1_len + u8)) /* 2(sens_res) + 1(len) + p_pa->nfcid1_len + 1(len) + u8 + hr (1:len + 2) */ 648 { 649 p_pa->hr_len = *p++; 650 if (p_pa->hr_len == NCI_T1T_HR_LEN) 651 { 652 p_pa->hr[0] = *p++; 653 p_pa->hr[1] = *p; 654 } 655 } 656 break; 657 658 case NCI_DISCOVERY_TYPE_POLL_B: 659 /* 660SENSB_RES Response length (n) 1 byte Length of SENSB_RES Response (Byte 2 - Byte 12 or 13)Available after Technology Detection 661SENSB_RES Response Byte 2 - Byte 12 or 13 11 or 12 bytes Defined in [DIGPROT] Available after Technology Detection 662 */ 663 p_pb = &p_param->param.pb; 664 p_pb->sensb_res_len = *p++; 665 if (p_pb->sensb_res_len > NCI_MAX_SENSB_RES_LEN) 666 p_pb->sensb_res_len = NCI_MAX_SENSB_RES_LEN; 667 STREAM_TO_ARRAY (p_pb->sensb_res, p, p_pb->sensb_res_len); 668 memcpy (p_pb->nfcid0, p_pb->sensb_res, NFC_NFCID0_MAX_LEN); 669 break; 670 671 case NCI_DISCOVERY_TYPE_POLL_F: 672 case NCI_DISCOVERY_TYPE_POLL_F_ACTIVE: 673 /* 674Bit Rate 1 byte 1 212 kbps/2 424 kbps/0 and 3 to 255 RFU 675SENSF_RES Response length.(n) 1 byte Length of SENSF_RES (Byte 2 - Byte 17 or 19).Available after Technology Detection 676SENSF_RES Response Byte 2 - Byte 17 or 19 n bytes Defined in [DIGPROT] Available after Technology Detection 677 */ 678 p_pf = &p_param->param.pf; 679 p_pf->bit_rate = *p++; 680 p_pf->sensf_res_len = *p++; 681 if (p_pf->sensf_res_len > NCI_MAX_SENSF_RES_LEN) 682 p_pf->sensf_res_len = NCI_MAX_SENSF_RES_LEN; 683 STREAM_TO_ARRAY (p_pf->sensf_res, p, p_pf->sensf_res_len); 684 memcpy (p_pf->nfcid2, p_pf->sensf_res, NCI_NFCID2_LEN); 685 p_pf->mrti_check = p_pf->sensf_res[NCI_MRTI_CHECK_INDEX]; 686 p_pf->mrti_update = p_pf->sensf_res[NCI_MRTI_UPDATE_INDEX]; 687 break; 688 689 case NCI_DISCOVERY_TYPE_LISTEN_F: 690 case NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE: 691 p_lf = &p_param->param.lf; 692 u8 = *p++; 693 if (u8) 694 { 695 STREAM_TO_ARRAY (p_lf->nfcid2, p, NCI_NFCID2_LEN); 696 } 697 break; 698 699 case NCI_DISCOVERY_TYPE_POLL_ISO15693: 700 p_i93 = &p_param->param.pi93; 701 p_i93->flag = *p++; 702 p_i93->dsfid = *p++; 703 STREAM_TO_ARRAY (p_i93->uid, p, NFC_ISO15693_UID_LEN); 704 break; 705 706 case NCI_DISCOVERY_TYPE_POLL_KOVIO: 707 p_param->param.pk.uid_len = *p++; 708 if (p_param->param.pk.uid_len > NFC_KOVIO_MAX_LEN) 709 { 710 NFC_TRACE_ERROR2( "Kovio UID len:0x%x exceeds max(0x%x)", p_param->param.pk.uid_len, NFC_KOVIO_MAX_LEN); 711 p_param->param.pk.uid_len = NFC_KOVIO_MAX_LEN; 712 } 713 STREAM_TO_ARRAY (p_param->param.pk.uid, p, p_param->param.pk.uid_len); 714 break; 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*******************************************************************************/ 729void 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*******************************************************************************/ 759void 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*******************************************************************************/ 982void 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)) 1023void 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*******************************************************************************/ 1102void 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*******************************************************************************/ 1149void 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*******************************************************************************/ 1192void 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*******************************************************************************/ 1239void 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*******************************************************************************/ 1265void 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*******************************************************************************/ 1321void 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*******************************************************************************/ 1356void 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*******************************************************************************/ 1383void 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*******************************************************************************/ 1404void 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*******************************************************************************/ 1473void 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