1 /******************************************************************************
2 *
3 * Copyright (C) 1999-2013 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19
20 /******************************************************************************
21 *
22 * This file contains functions that interface with the NFC NCI transport.
23 * On the receive side, it routes events to the appropriate handler
24 * (callback). On the transmit side, it manages the command transmission.
25 *
26 ******************************************************************************/
27 #include <string.h>
28 #include "nfc_target.h"
29
30 #if NFC_INCLUDED == TRUE
31 #include "nfc_hal_api.h"
32 #include "nfc_api.h"
33 #include "nci_defs.h"
34 #include "nci_hmsgs.h"
35 #include "nfc_int.h"
36 #include "rw_api.h"
37 #include "rw_int.h"
38 #include "hcidefs.h"
39 #include "nfc_hal_api.h"
40
41 #if (NFC_RW_ONLY == FALSE)
42 static const UINT8 nfc_mpl_code_to_size[] =
43 {64, 128, 192, 254};
44
45 #endif /* NFC_RW_ONLY */
46
47
48 #define NFC_PB_ATTRIB_REQ_FIXED_BYTES 1
49 #define NFC_LB_ATTRIB_REQ_FIXED_BYTES 8
50
51
52 /*******************************************************************************
53 **
54 ** Function nfc_ncif_update_window
55 **
56 ** Description Update tx cmd window to indicate that NFCC can received
57 **
58 ** Returns void
59 **
60 *********************************************************************************/
nfc_ncif_update_window(void)61 void nfc_ncif_update_window (void)
62 {
63 /* Sanity check - see if we were expecting a update_window */
64 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW)
65 {
66 if (nfc_cb.nfc_state != NFC_STATE_W4_HAL_CLOSE)
67 {
68 NFC_TRACE_ERROR0("nfc_ncif_update_window: Unexpected call");
69 }
70 return;
71 }
72
73 /* Stop command-pending timer */
74 nfc_stop_timer (&nfc_cb.nci_wait_rsp_timer);
75
76 nfc_cb.p_vsc_cback = NULL;
77 nfc_cb.nci_cmd_window++;
78
79 /* Check if there were any commands waiting to be sent */
80 nfc_ncif_check_cmd_queue (NULL);
81 }
82
83 /*******************************************************************************
84 **
85 ** Function nfc_ncif_cmd_timeout
86 **
87 ** Description Handle a command timeout
88 **
89 ** Returns void
90 **
91 *******************************************************************************/
nfc_ncif_cmd_timeout(void)92 void nfc_ncif_cmd_timeout (void)
93 {
94 NFC_TRACE_ERROR0 ("nfc_ncif_cmd_timeout");
95
96 /* report an error */
97 nfc_ncif_event_status(NFC_GEN_ERROR_REVT, NFC_STATUS_HW_TIMEOUT);
98 nfc_ncif_event_status(NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT);
99
100 /* if enabling NFC, notify upper layer of failure */
101 if (nfc_cb.nfc_state == NFC_STATE_CORE_INIT)
102 {
103 nfc_enabled (NFC_STATUS_FAILED, NULL);
104 }
105
106 /* terminate the process so we'll try again */
107 NFC_TRACE_ERROR0 ("NFC controller stopped responding, aborting the NFC process");
108 abort();
109 }
110
111 /*******************************************************************************
112 **
113 ** Function nfc_wait_2_deactivate_timeout
114 **
115 ** Description Handle a command timeout
116 **
117 ** Returns void
118 **
119 *******************************************************************************/
nfc_wait_2_deactivate_timeout(void)120 void nfc_wait_2_deactivate_timeout (void)
121 {
122 NFC_TRACE_ERROR0 ("nfc_wait_2_deactivate_timeout");
123 nfc_cb.flags &= ~NFC_FL_DEACTIVATING;
124 nci_snd_deactivate_cmd ((UINT8) ((TIMER_PARAM_TYPE) nfc_cb.deactivate_timer.param));
125 }
126
127
128 /*******************************************************************************
129 **
130 ** Function nfc_ncif_send_data
131 **
132 ** Description This function is called to add the NCI data header
133 ** and send it to NCIT task for sending it to transport
134 ** as credits are available.
135 **
136 ** Returns void
137 **
138 *******************************************************************************/
nfc_ncif_send_data(tNFC_CONN_CB * p_cb,BT_HDR * p_data)139 UINT8 nfc_ncif_send_data (tNFC_CONN_CB *p_cb, BT_HDR *p_data)
140 {
141 UINT8 *pp;
142 UINT8 *ps;
143 UINT8 ulen = NCI_MAX_PAYLOAD_SIZE;
144 BT_HDR *p;
145 UINT8 pbf = 1;
146 UINT8 buffer_size = p_cb->buff_size;
147 UINT8 hdr0 = p_cb->conn_id;
148 BOOLEAN fragmented = FALSE;
149
150 NFC_TRACE_DEBUG3 ("nfc_ncif_send_data :%d, num_buff:%d qc:%d", p_cb->conn_id, p_cb->num_buff, p_cb->tx_q.count);
151 if (p_cb->id == NFC_RF_CONN_ID)
152 {
153 if (nfc_cb.nfc_state != NFC_STATE_OPEN)
154 {
155 if (nfc_cb.nfc_state == NFC_STATE_CLOSING)
156 {
157 if ((p_data == NULL) && /* called because credit from NFCC */
158 (nfc_cb.flags & NFC_FL_DEACTIVATING))
159 {
160 if (p_cb->init_credits == p_cb->num_buff)
161 {
162 /* all the credits are back */
163 nfc_cb.flags &= ~NFC_FL_DEACTIVATING;
164 NFC_TRACE_DEBUG2 ("deactivating NFC-DEP init_credits:%d, num_buff:%d", p_cb->init_credits, p_cb->num_buff);
165 nfc_stop_timer(&nfc_cb.deactivate_timer);
166 nci_snd_deactivate_cmd ((UINT8)((TIMER_PARAM_TYPE)nfc_cb.deactivate_timer.param));
167 }
168 }
169 }
170 return NCI_STATUS_FAILED;
171 }
172 }
173
174 if (p_data)
175 {
176 /* always enqueue the data to the tx queue */
177 GKI_enqueue (&p_cb->tx_q, p_data);
178 }
179
180 /* try to send the first data packet in the tx queue */
181 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q);
182
183 /* post data fragment to NCIT task as credits are available */
184 while (p_data && (p_data->len > 0) && (p_cb->num_buff > 0))
185 {
186 if (p_data->len <= buffer_size)
187 {
188 pbf = 0; /* last fragment */
189 ulen = (UINT8)(p_data->len);
190 fragmented = FALSE;
191 }
192 else
193 {
194 fragmented = TRUE;
195 ulen = buffer_size;
196 }
197
198 if (!fragmented)
199 {
200 /* if data packet is not fragmented, use the original buffer */
201 p = p_data;
202 p_data = (BT_HDR *)GKI_dequeue (&p_cb->tx_q);
203 }
204 else
205 {
206 /* the data packet is too big and need to be fragmented
207 * prepare a new GKI buffer
208 * (even the last fragment to avoid issues) */
209 if ((p = NCI_GET_CMD_BUF(ulen)) == NULL)
210 return (NCI_STATUS_BUFFER_FULL);
211 p->len = ulen;
212 p->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + 1;
213 pp = (UINT8 *)(p + 1) + p->offset;
214 ps = (UINT8 *)(p_data + 1) + p_data->offset;
215 memcpy (pp, ps, ulen);
216 /* adjust the BT_HDR on the old fragment */
217 p_data->len -= ulen;
218 p_data->offset += ulen;
219 }
220
221 p->event = BT_EVT_TO_NFC_NCI;
222 p->layer_specific = pbf;
223 p->len += NCI_DATA_HDR_SIZE;
224 p->offset -= NCI_DATA_HDR_SIZE;
225 pp = (UINT8 *)(p + 1) + p->offset;
226 /* build NCI Data packet header */
227 NCI_DATA_PBLD_HDR(pp, pbf, hdr0, ulen);
228
229 if (p_cb->num_buff != NFC_CONN_NO_FC)
230 p_cb->num_buff--;
231
232 /* send to HAL */
233 HAL_WRITE(p);
234
235 if (!fragmented)
236 {
237 /* check if there are more data to send */
238 p_data = (BT_HDR *)GKI_getfirst (&p_cb->tx_q);
239 }
240 }
241
242 return (NCI_STATUS_OK);
243 }
244
245 /*******************************************************************************
246 **
247 ** Function nfc_ncif_check_cmd_queue
248 **
249 ** Description Send NCI command to the transport
250 **
251 ** Returns void
252 **
253 *******************************************************************************/
nfc_ncif_check_cmd_queue(BT_HDR * p_buf)254 void nfc_ncif_check_cmd_queue (BT_HDR *p_buf)
255 {
256 UINT8 *ps;
257 /* If there are commands waiting in the xmit queue, or if the controller cannot accept any more commands, */
258 /* then enqueue this command */
259 if (p_buf)
260 {
261 if ((nfc_cb.nci_cmd_xmit_q.count) || (nfc_cb.nci_cmd_window == 0))
262 {
263 GKI_enqueue (&nfc_cb.nci_cmd_xmit_q, p_buf);
264 p_buf = NULL;
265 }
266 }
267
268 /* If controller can accept another command, then send the next command */
269 if (nfc_cb.nci_cmd_window > 0)
270 {
271 /* If no command was provided, or if older commands were in the queue, then get cmd from the queue */
272 if (!p_buf)
273 p_buf = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q);
274
275 if (p_buf)
276 {
277 /* save the message header to double check the response */
278 ps = (UINT8 *)(p_buf + 1) + p_buf->offset;
279 memcpy(nfc_cb.last_hdr, ps, NFC_SAVED_HDR_SIZE);
280 memcpy(nfc_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_SAVED_CMD_SIZE);
281 if (p_buf->layer_specific == NFC_WAIT_RSP_VSC)
282 {
283 /* save the callback for NCI VSCs) */
284 nfc_cb.p_vsc_cback = (void *)((tNFC_NCI_VS_MSG *)p_buf)->p_cback;
285 }
286
287 /* send to HAL */
288 HAL_WRITE(p_buf);
289
290 /* Indicate command is pending */
291 nfc_cb.nci_cmd_window--;
292
293 /* start NFC command-timeout timer */
294 nfc_start_timer (&nfc_cb.nci_wait_rsp_timer, (UINT16)(NFC_TTYPE_NCI_WAIT_RSP), nfc_cb.nci_wait_rsp_tout);
295 }
296 }
297
298 if (nfc_cb.nci_cmd_window == NCI_MAX_CMD_WINDOW)
299 {
300 /* the command queue must be empty now */
301 if (nfc_cb.flags & NFC_FL_CONTROL_REQUESTED)
302 {
303 /* HAL requested control or stack needs to handle pre-discover */
304 nfc_cb.flags &= ~NFC_FL_CONTROL_REQUESTED;
305 if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING)
306 {
307 if (nfc_cb.p_hal->prediscover ())
308 {
309 /* HAL has the command window now */
310 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED;
311 nfc_cb.nci_cmd_window = 0;
312 }
313 else
314 {
315 /* HAL does not need to send command,
316 * - restore the command window and issue the discovery command now */
317 nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING;
318 ps = (UINT8 *)nfc_cb.p_disc_pending;
319 nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1));
320 GKI_freebuf (nfc_cb.p_disc_pending);
321 nfc_cb.p_disc_pending = NULL;
322 }
323 }
324 else if (nfc_cb.flags & NFC_FL_HAL_REQUESTED)
325 {
326 /* grant the control to HAL */
327 nfc_cb.flags &= ~NFC_FL_HAL_REQUESTED;
328 nfc_cb.flags |= NFC_FL_CONTROL_GRANTED;
329 nfc_cb.nci_cmd_window = 0;
330 nfc_cb.p_hal->control_granted ();
331 }
332 }
333 }
334 }
335
336
337 /*******************************************************************************
338 **
339 ** Function nfc_ncif_send_cmd
340 **
341 ** Description Send NCI command to the NCIT task
342 **
343 ** Returns void
344 **
345 *******************************************************************************/
nfc_ncif_send_cmd(BT_HDR * p_buf)346 void nfc_ncif_send_cmd (BT_HDR *p_buf)
347 {
348 /* post the p_buf to NCIT task */
349 p_buf->event = BT_EVT_TO_NFC_NCI;
350 p_buf->layer_specific = 0;
351 nfc_ncif_check_cmd_queue (p_buf);
352 }
353
354
355 /*******************************************************************************
356 **
357 ** Function nfc_ncif_process_event
358 **
359 ** Description This function is called to process the data/response/notification
360 ** from NFCC
361 **
362 ** Returns TRUE if need to free buffer
363 **
364 *******************************************************************************/
nfc_ncif_process_event(BT_HDR * p_msg)365 BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg)
366 {
367 UINT8 mt, pbf, gid, *p, *pp;
368 BOOLEAN free = TRUE;
369 UINT8 oid;
370 UINT8 *p_old, old_gid, old_oid, old_mt;
371
372 p = (UINT8 *) (p_msg + 1) + p_msg->offset;
373
374 pp = p;
375 NCI_MSG_PRS_HDR0 (pp, mt, pbf, gid);
376
377 switch (mt)
378 {
379 case NCI_MT_DATA:
380 NFC_TRACE_DEBUG0 ("NFC received data");
381 nfc_ncif_proc_data (p_msg);
382 free = FALSE;
383 break;
384
385 case NCI_MT_RSP:
386 NFC_TRACE_DEBUG1 ("NFC received rsp gid:%d", gid);
387 oid = ((*pp) & NCI_OID_MASK);
388 p_old = nfc_cb.last_hdr;
389 NCI_MSG_PRS_HDR0(p_old, old_mt, pbf, old_gid);
390 old_oid = ((*p_old) & NCI_OID_MASK);
391 /* make sure this is the RSP we are waiting for before updating the command window */
392 if ((old_gid != gid) || (old_oid != oid))
393 {
394 NFC_TRACE_ERROR2 ("nfc_ncif_process_event unexpected rsp: gid:0x%x, oid:0x%x", gid, oid);
395 return TRUE;
396 }
397
398 switch (gid)
399 {
400 case NCI_GID_CORE: /* 0000b NCI Core group */
401 free = nci_proc_core_rsp (p_msg);
402 break;
403 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */
404 nci_proc_rf_management_rsp (p_msg);
405 break;
406 #if (NFC_NFCEE_INCLUDED == TRUE)
407 #if (NFC_RW_ONLY == FALSE)
408 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */
409 nci_proc_ee_management_rsp (p_msg);
410 break;
411 #endif
412 #endif
413 case NCI_GID_PROP: /* 1111b Proprietary */
414 nci_proc_prop_rsp (p_msg);
415 break;
416 default:
417 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid);
418 break;
419 }
420
421 nfc_ncif_update_window ();
422 break;
423
424 case NCI_MT_NTF:
425 NFC_TRACE_DEBUG1 ("NFC received ntf gid:%d", gid);
426 switch (gid)
427 {
428 case NCI_GID_CORE: /* 0000b NCI Core group */
429 nci_proc_core_ntf (p_msg);
430 break;
431 case NCI_GID_RF_MANAGE: /* 0001b NCI Discovery group */
432 nci_proc_rf_management_ntf (p_msg);
433 break;
434 #if (NFC_NFCEE_INCLUDED == TRUE)
435 #if (NFC_RW_ONLY == FALSE)
436 case NCI_GID_EE_MANAGE: /* 0x02 0010b NFCEE Discovery group */
437 nci_proc_ee_management_ntf (p_msg);
438 break;
439 #endif
440 #endif
441 case NCI_GID_PROP: /* 1111b Proprietary */
442 nci_proc_prop_ntf (p_msg);
443 break;
444 default:
445 NFC_TRACE_ERROR1 ("NFC: Unknown gid:%d", gid);
446 break;
447 }
448 break;
449
450 default:
451 NFC_TRACE_DEBUG2 ("NFC received unknown mt:0x%x, gid:%d", mt, gid);
452 }
453
454 return (free);
455 }
456
457 /*******************************************************************************
458 **
459 ** Function nfc_ncif_rf_management_status
460 **
461 ** Description This function is called to report an event
462 **
463 ** Returns void
464 **
465 *******************************************************************************/
nfc_ncif_rf_management_status(tNFC_DISCOVER_EVT event,UINT8 status)466 void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status)
467 {
468 tNFC_DISCOVER evt_data;
469 if (nfc_cb.p_discv_cback)
470 {
471 evt_data.status = (tNFC_STATUS) status;
472 (*nfc_cb.p_discv_cback) (event, &evt_data);
473 }
474 }
475
476 /*******************************************************************************
477 **
478 ** Function nfc_ncif_set_config_status
479 **
480 ** Description This function is called to report NFC_SET_CONFIG_REVT
481 **
482 ** Returns void
483 **
484 *******************************************************************************/
nfc_ncif_set_config_status(UINT8 * p,UINT8 len)485 void nfc_ncif_set_config_status (UINT8 *p, UINT8 len)
486 {
487 tNFC_RESPONSE evt_data;
488 if (nfc_cb.p_resp_cback)
489 {
490 evt_data.set_config.status = (tNFC_STATUS) *p++;
491 evt_data.set_config.num_param_id = NFC_STATUS_OK;
492 if (evt_data.set_config.status != NFC_STATUS_OK)
493 {
494 evt_data.set_config.num_param_id = *p++;
495 STREAM_TO_ARRAY (evt_data.set_config.param_ids, p, evt_data.set_config.num_param_id);
496 }
497
498 (*nfc_cb.p_resp_cback) (NFC_SET_CONFIG_REVT, &evt_data);
499 }
500 }
501
502 /*******************************************************************************
503 **
504 ** Function nfc_ncif_event_status
505 **
506 ** Description This function is called to report an event
507 **
508 ** Returns void
509 **
510 *******************************************************************************/
nfc_ncif_event_status(tNFC_RESPONSE_EVT event,UINT8 status)511 void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status)
512 {
513 tNFC_RESPONSE evt_data;
514 if (nfc_cb.p_resp_cback)
515 {
516 evt_data.status = (tNFC_STATUS) status;
517 (*nfc_cb.p_resp_cback) (event, &evt_data);
518 }
519 }
520
521 /*******************************************************************************
522 **
523 ** Function nfc_ncif_error_status
524 **
525 ** Description This function is called to report an error event to data cback
526 **
527 ** Returns void
528 **
529 *******************************************************************************/
nfc_ncif_error_status(UINT8 conn_id,UINT8 status)530 void nfc_ncif_error_status (UINT8 conn_id, UINT8 status)
531 {
532 tNFC_CONN_CB * p_cb;
533 p_cb = nfc_find_conn_cb_by_conn_id (conn_id);
534 if (p_cb && p_cb->p_cback)
535 {
536 (*p_cb->p_cback) (conn_id, NFC_ERROR_CEVT, (tNFC_CONN *) &status);
537 }
538 }
539
540 /*******************************************************************************
541 **
542 ** Function nfc_ncif_proc_rf_field_ntf
543 **
544 ** Description This function is called to process RF field notification
545 **
546 ** Returns void
547 **
548 *******************************************************************************/
549 #if (NFC_RW_ONLY == FALSE)
nfc_ncif_proc_rf_field_ntf(UINT8 rf_status)550 void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status)
551 {
552 tNFC_RESPONSE evt_data;
553 if (nfc_cb.p_resp_cback)
554 {
555 evt_data.status = (tNFC_STATUS) NFC_STATUS_OK;
556 evt_data.rf_field.rf_field = rf_status;
557 (*nfc_cb.p_resp_cback) (NFC_RF_FIELD_REVT, &evt_data);
558 }
559 }
560 #endif
561
562 /*******************************************************************************
563 **
564 ** Function nfc_ncif_proc_credits
565 **
566 ** Description This function is called to process data credits
567 **
568 ** Returns void
569 **
570 *******************************************************************************/
nfc_ncif_proc_credits(UINT8 * p,UINT16 plen)571 void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen)
572 {
573 UINT8 num, xx;
574 tNFC_CONN_CB * p_cb;
575
576 num = *p++;
577 for (xx = 0; xx < num; xx++)
578 {
579 p_cb = nfc_find_conn_cb_by_conn_id(*p++);
580 if (p_cb && p_cb->num_buff != NFC_CONN_NO_FC)
581 {
582 p_cb->num_buff += (*p);
583 #if (BT_USE_TRACES == TRUE)
584 if (p_cb->num_buff > p_cb->init_credits)
585 {
586 if (nfc_cb.nfc_state == NFC_STATE_OPEN)
587 {
588 /* if this happens in activated state, it's very likely that our NFCC has issues */
589 /* However, credit may be returned after deactivation */
590 NFC_TRACE_ERROR2( "num_buff:0x%x, init_credits:0x%x", p_cb->num_buff, p_cb->init_credits);
591 }
592 p_cb->num_buff = p_cb->init_credits;
593 }
594 #endif
595 /* check if there's nay data in tx q to be sent */
596 nfc_ncif_send_data (p_cb, NULL);
597 }
598 p++;
599 }
600 }
601 /*******************************************************************************
602 **
603 ** Function nfc_ncif_decode_rf_params
604 **
605 ** Description This function is called to process the detected technology
606 ** and mode and the associated parameters for DISCOVER_NTF and
607 ** ACTIVATE_NTF
608 **
609 ** Returns void
610 **
611 *******************************************************************************/
nfc_ncif_decode_rf_params(tNFC_RF_TECH_PARAMS * p_param,UINT8 * p)612 UINT8 * nfc_ncif_decode_rf_params (tNFC_RF_TECH_PARAMS *p_param, UINT8 *p)
613 {
614 tNFC_RF_PA_PARAMS *p_pa;
615 UINT8 len, *p_start, u8;
616 tNFC_RF_PB_PARAMS *p_pb;
617 tNFC_RF_LF_PARAMS *p_lf;
618 tNFC_RF_PF_PARAMS *p_pf;
619 tNFC_RF_PISO15693_PARAMS *p_i93;
620
621 len = *p++;
622 p_start = p;
623 memset ( &p_param->param, 0, sizeof (tNFC_RF_TECH_PARAMU));
624 switch (p_param->mode)
625 {
626 case NCI_DISCOVERY_TYPE_POLL_A:
627 case NCI_DISCOVERY_TYPE_POLL_A_ACTIVE:
628 p_pa = &p_param->param.pa;
629 /*
630 SENS_RES Response 2 bytes Defined in [DIGPROT] Available after Technology Detection
631 NFCID1 length 1 byte Length of NFCID1 Available after Collision Resolution
632 NFCID1 4, 7, or 10 bytes Defined in [DIGPROT]Available after Collision Resolution
633 SEL_RES Response 1 byte Defined in [DIGPROT]Available after Collision Resolution
634 HRx Length 1 Octets Length of HRx Parameters collected from the response to the T1T RID command.
635 HRx 0 or 2 Octets If present, the first byte SHALL contain HR0 and the second byte SHALL contain HR1 as defined in [DIGITAL].
636 */
637 STREAM_TO_ARRAY (p_pa->sens_res, p, 2);
638 p_pa->nfcid1_len = *p++;
639 if (p_pa->nfcid1_len > NCI_NFCID1_MAX_LEN)
640 p_pa->nfcid1_len = NCI_NFCID1_MAX_LEN;
641 STREAM_TO_ARRAY (p_pa->nfcid1, p, p_pa->nfcid1_len);
642 u8 = *p++;
643 if (u8)
644 p_pa->sel_rsp = *p++;
645 if (len == (7 + p_pa->nfcid1_len + u8)) /* 2(sens_res) + 1(len) + p_pa->nfcid1_len + 1(len) + u8 + hr (1:len + 2) */
646 {
647 p_pa->hr_len = *p++;
648 if (p_pa->hr_len == NCI_T1T_HR_LEN)
649 {
650 p_pa->hr[0] = *p++;
651 p_pa->hr[1] = *p;
652 }
653 }
654 break;
655
656 case NCI_DISCOVERY_TYPE_POLL_B:
657 /*
658 SENSB_RES Response length (n) 1 byte Length of SENSB_RES Response (Byte 2 - Byte 12 or 13)Available after Technology Detection
659 SENSB_RES Response Byte 2 - Byte 12 or 13 11 or 12 bytes Defined in [DIGPROT] Available after Technology Detection
660 */
661 p_pb = &p_param->param.pb;
662 p_pb->sensb_res_len = *p++;
663 if (p_pb->sensb_res_len > NCI_MAX_SENSB_RES_LEN)
664 p_pb->sensb_res_len = NCI_MAX_SENSB_RES_LEN;
665 STREAM_TO_ARRAY (p_pb->sensb_res, p, p_pb->sensb_res_len);
666 memcpy (p_pb->nfcid0, p_pb->sensb_res, NFC_NFCID0_MAX_LEN);
667 break;
668
669 case NCI_DISCOVERY_TYPE_POLL_F:
670 case NCI_DISCOVERY_TYPE_POLL_F_ACTIVE:
671 /*
672 Bit Rate 1 byte 1 212 kbps/2 424 kbps/0 and 3 to 255 RFU
673 SENSF_RES Response length.(n) 1 byte Length of SENSF_RES (Byte 2 - Byte 17 or 19).Available after Technology Detection
674 SENSF_RES Response Byte 2 - Byte 17 or 19 n bytes Defined in [DIGPROT] Available after Technology Detection
675 */
676 p_pf = &p_param->param.pf;
677 p_pf->bit_rate = *p++;
678 p_pf->sensf_res_len = *p++;
679 if (p_pf->sensf_res_len > NCI_MAX_SENSF_RES_LEN)
680 p_pf->sensf_res_len = NCI_MAX_SENSF_RES_LEN;
681 STREAM_TO_ARRAY (p_pf->sensf_res, p, p_pf->sensf_res_len);
682 memcpy (p_pf->nfcid2, p_pf->sensf_res, NCI_NFCID2_LEN);
683 p_pf->mrti_check = p_pf->sensf_res[NCI_MRTI_CHECK_INDEX];
684 p_pf->mrti_update = p_pf->sensf_res[NCI_MRTI_UPDATE_INDEX];
685 break;
686
687 case NCI_DISCOVERY_TYPE_LISTEN_F:
688 case NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE:
689 p_lf = &p_param->param.lf;
690 u8 = *p++;
691 if (u8)
692 {
693 STREAM_TO_ARRAY (p_lf->nfcid2, p, NCI_NFCID2_LEN);
694 }
695 break;
696
697 case NCI_DISCOVERY_TYPE_POLL_ISO15693:
698 p_i93 = &p_param->param.pi93;
699 p_i93->flag = *p++;
700 p_i93->dsfid = *p++;
701 STREAM_TO_ARRAY (p_i93->uid, p, NFC_ISO15693_UID_LEN);
702 break;
703
704 case NCI_DISCOVERY_TYPE_POLL_KOVIO:
705 p_param->param.pk.uid_len = *p++;
706 if (p_param->param.pk.uid_len > NFC_KOVIO_MAX_LEN)
707 {
708 NFC_TRACE_ERROR2( "Kovio UID len:0x%x exceeds max(0x%x)", p_param->param.pk.uid_len, NFC_KOVIO_MAX_LEN);
709 p_param->param.pk.uid_len = NFC_KOVIO_MAX_LEN;
710 }
711 STREAM_TO_ARRAY (p_param->param.pk.uid, p, p_param->param.pk.uid_len);
712 break;
713 }
714
715 return (p_start + len);
716 }
717
718 /*******************************************************************************
719 **
720 ** Function nfc_ncif_proc_discover_ntf
721 **
722 ** Description This function is called to process discover notification
723 **
724 ** Returns void
725 **
726 *******************************************************************************/
nfc_ncif_proc_discover_ntf(UINT8 * p,UINT16 plen)727 void nfc_ncif_proc_discover_ntf (UINT8 *p, UINT16 plen)
728 {
729 tNFC_DISCOVER evt_data;
730
731 if (nfc_cb.p_discv_cback)
732 {
733 p += NCI_MSG_HDR_SIZE;
734 evt_data.status = NCI_STATUS_OK;
735 evt_data.result.rf_disc_id = *p++;
736 evt_data.result.protocol = *p++;
737
738 /* fill in tNFC_RESULT_DEVT */
739 evt_data.result.rf_tech_param.mode = *p++;
740 p = nfc_ncif_decode_rf_params (&evt_data.result.rf_tech_param, p);
741
742 evt_data.result.more = *p++;
743 (*nfc_cb.p_discv_cback) (NFC_RESULT_DEVT, &evt_data);
744 }
745 }
746
747 /*******************************************************************************
748 **
749 ** Function nfc_ncif_proc_activate
750 **
751 ** Description This function is called to process de-activate
752 ** response and notification
753 **
754 ** Returns void
755 **
756 *******************************************************************************/
nfc_ncif_proc_activate(UINT8 * p,UINT8 len)757 void nfc_ncif_proc_activate (UINT8 *p, UINT8 len)
758 {
759 tNFC_DISCOVER evt_data;
760 tNFC_INTF_PARAMS *p_intf = &evt_data.activate.intf_param;
761 tNFC_INTF_PA_ISO_DEP *p_pa_iso;
762 tNFC_INTF_LB_ISO_DEP *p_lb_iso;
763 tNFC_INTF_PB_ISO_DEP *p_pb_iso;
764 #if (NFC_RW_ONLY == FALSE)
765 tNFC_INTF_PA_NFC_DEP *p_pa_nfc;
766 int mpl_idx = 0;
767 UINT8 gb_idx = 0, mpl;
768 #endif
769 UINT8 t0;
770 tNCI_DISCOVERY_TYPE mode;
771 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID];
772 UINT8 *pp, len_act;
773 UINT8 buff_size, num_buff;
774 tNFC_RF_PA_PARAMS *p_pa;
775
776 nfc_set_state (NFC_STATE_OPEN);
777
778 memset (p_intf, 0, sizeof (tNFC_INTF_PARAMS));
779 evt_data.activate.rf_disc_id = *p++;
780 p_intf->type = *p++;
781 evt_data.activate.protocol = *p++;
782
783 if (evt_data.activate.protocol == NCI_PROTOCOL_18092_ACTIVE)
784 evt_data.activate.protocol = NCI_PROTOCOL_NFC_DEP;
785
786 evt_data.activate.rf_tech_param.mode = *p++;
787 buff_size = *p++;
788 num_buff = *p++;
789 /* fill in tNFC_activate_DEVT */
790 p = nfc_ncif_decode_rf_params (&evt_data.activate.rf_tech_param, p);
791
792 evt_data.activate.data_mode = *p++;
793 evt_data.activate.tx_bitrate = *p++;
794 evt_data.activate.rx_bitrate = *p++;
795 mode = evt_data.activate.rf_tech_param.mode;
796 len_act = *p++;
797 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_activate:%d %d, mode:0x%02x", len, len_act, mode);
798 /* just in case the interface reports activation parameters not defined in the NCI spec */
799 p_intf->intf_param.frame.param_len = len_act;
800 if (p_intf->intf_param.frame.param_len > NFC_MAX_RAW_PARAMS)
801 p_intf->intf_param.frame.param_len = NFC_MAX_RAW_PARAMS;
802 pp = p;
803 STREAM_TO_ARRAY (p_intf->intf_param.frame.param, pp, p_intf->intf_param.frame.param_len);
804 if (evt_data.activate.intf_param.type == NCI_INTERFACE_ISO_DEP)
805 {
806 /* Make max payload of NCI aligned to max payload of ISO-DEP for better performance */
807 if (buff_size > NCI_ISO_DEP_MAX_INFO)
808 buff_size = NCI_ISO_DEP_MAX_INFO;
809
810 switch (mode)
811 {
812 case NCI_DISCOVERY_TYPE_POLL_A:
813 p_pa_iso = &p_intf->intf_param.pa_iso;
814 p_pa_iso->ats_res_len = *p++;
815
816 if (p_pa_iso->ats_res_len == 0)
817 break;
818
819 if (p_pa_iso->ats_res_len > NFC_MAX_ATS_LEN)
820 p_pa_iso->ats_res_len = NFC_MAX_ATS_LEN;
821 STREAM_TO_ARRAY (p_pa_iso->ats_res, p, p_pa_iso->ats_res_len);
822 pp = &p_pa_iso->ats_res[NCI_ATS_T0_INDEX];
823 t0 = p_pa_iso->ats_res[NCI_ATS_T0_INDEX];
824 pp++; /* T0 */
825 if (t0 & NCI_ATS_TA_MASK)
826 pp++; /* TA */
827 if (t0 & NCI_ATS_TB_MASK)
828 {
829 /* FWI (Frame Waiting time Integer) & SPGI (Start-up Frame Guard time Integer) */
830 p_pa_iso->fwi = (((*pp) >> 4) & 0x0F);
831 p_pa_iso->sfgi = ((*pp) & 0x0F);
832 pp++; /* TB */
833 }
834 if (t0 & NCI_ATS_TC_MASK)
835 {
836 p_pa_iso->nad_used = ((*pp) & 0x01);
837 pp++; /* TC */
838 }
839 p_pa_iso->his_byte_len = (UINT8) (p_pa_iso->ats_res_len - (pp - p_pa_iso->ats_res));
840 memcpy (p_pa_iso->his_byte, pp, p_pa_iso->his_byte_len);
841 break;
842
843 case NCI_DISCOVERY_TYPE_LISTEN_A:
844 p_intf->intf_param.la_iso.rats = *p++;
845 break;
846
847 case NCI_DISCOVERY_TYPE_POLL_B:
848 /* ATTRIB RSP
849 Byte 1 Byte 2 ~ 2+n-1
850 MBLI/DID Higher layer - Response
851 */
852 p_pb_iso = &p_intf->intf_param.pb_iso;
853 p_pb_iso->attrib_res_len = *p++;
854
855 if (p_pb_iso->attrib_res_len == 0)
856 break;
857
858 if (p_pb_iso->attrib_res_len > NFC_MAX_ATTRIB_LEN)
859 p_pb_iso->attrib_res_len = NFC_MAX_ATTRIB_LEN;
860 STREAM_TO_ARRAY (p_pb_iso->attrib_res, p, p_pb_iso->attrib_res_len);
861 p_pb_iso->mbli = (p_pb_iso->attrib_res[0]) >> 4;
862 if (p_pb_iso->attrib_res_len > NFC_PB_ATTRIB_REQ_FIXED_BYTES)
863 {
864 p_pb_iso->hi_info_len = p_pb_iso->attrib_res_len - NFC_PB_ATTRIB_REQ_FIXED_BYTES;
865 if (p_pb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN)
866 p_pb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN;
867 memcpy (p_pb_iso->hi_info, &p_pb_iso->attrib_res[NFC_PB_ATTRIB_REQ_FIXED_BYTES], p_pb_iso->hi_info_len);
868 }
869 break;
870
871 case NCI_DISCOVERY_TYPE_LISTEN_B:
872 /* ATTRIB CMD
873 Byte 2~5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 ~ 10+k-1
874 NFCID0 Param 1 Param 2 Param 3 Param 4 Higher layer - INF
875 */
876 p_lb_iso = &p_intf->intf_param.lb_iso;
877 p_lb_iso->attrib_req_len = *p++;
878
879 if (p_lb_iso->attrib_req_len == 0)
880 break;
881
882 if (p_lb_iso->attrib_req_len > NFC_MAX_ATTRIB_LEN)
883 p_lb_iso->attrib_req_len = NFC_MAX_ATTRIB_LEN;
884 STREAM_TO_ARRAY (p_lb_iso->attrib_req, p, p_lb_iso->attrib_req_len);
885 memcpy (p_lb_iso->nfcid0, p_lb_iso->attrib_req, NFC_NFCID0_MAX_LEN);
886 if (p_lb_iso->attrib_req_len > NFC_LB_ATTRIB_REQ_FIXED_BYTES)
887 {
888 p_lb_iso->hi_info_len = p_lb_iso->attrib_req_len - NFC_LB_ATTRIB_REQ_FIXED_BYTES;
889 if (p_lb_iso->hi_info_len > NFC_MAX_GEN_BYTES_LEN)
890 p_lb_iso->hi_info_len = NFC_MAX_GEN_BYTES_LEN;
891 memcpy (p_lb_iso->hi_info, &p_lb_iso->attrib_req[NFC_LB_ATTRIB_REQ_FIXED_BYTES], p_lb_iso->hi_info_len);
892 }
893 break;
894 }
895
896 }
897 #if (NFC_RW_ONLY == FALSE)
898 else if (evt_data.activate.intf_param.type == NCI_INTERFACE_NFC_DEP)
899 {
900 /* Make max payload of NCI aligned to max payload of NFC-DEP for better performance */
901 if (buff_size > NCI_NFC_DEP_MAX_DATA)
902 buff_size = NCI_NFC_DEP_MAX_DATA;
903
904 p_pa_nfc = &p_intf->intf_param.pa_nfc;
905 p_pa_nfc->atr_res_len = *p++;
906
907 if (p_pa_nfc->atr_res_len > 0)
908 {
909 if (p_pa_nfc->atr_res_len > NFC_MAX_ATS_LEN)
910 p_pa_nfc->atr_res_len = NFC_MAX_ATS_LEN;
911 STREAM_TO_ARRAY (p_pa_nfc->atr_res, p, p_pa_nfc->atr_res_len);
912 if ( (mode == NCI_DISCOVERY_TYPE_POLL_A)
913 ||(mode == NCI_DISCOVERY_TYPE_POLL_F)
914 ||(mode == NCI_DISCOVERY_TYPE_POLL_A_ACTIVE)
915 ||(mode == NCI_DISCOVERY_TYPE_POLL_F_ACTIVE) )
916 {
917 /* ATR_RES
918 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17 Byte 18~18+n
919 NFCID3T DIDT BST BRT TO PPT [GT0 ... GTn] */
920 mpl_idx = 14;
921 gb_idx = NCI_P_GEN_BYTE_INDEX;
922 p_pa_nfc->waiting_time = p_pa_nfc->atr_res[NCI_L_NFC_DEP_TO_INDEX] & 0x0F;
923 }
924 else if ( (mode == NCI_DISCOVERY_TYPE_LISTEN_A)
925 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F)
926 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_A_ACTIVE)
927 ||(mode == NCI_DISCOVERY_TYPE_LISTEN_F_ACTIVE) )
928 {
929 /* ATR_REQ
930 Byte 3~12 Byte 13 Byte 14 Byte 15 Byte 16 Byte 17~17+n
931 NFCID3I DIDI BSI BRI PPI [GI0 ... GIn] */
932 mpl_idx = 13;
933 gb_idx = NCI_L_GEN_BYTE_INDEX;
934 }
935
936 mpl = ((p_pa_nfc->atr_res[mpl_idx]) >> 4) & 0x03;
937 p_pa_nfc->max_payload_size = nfc_mpl_code_to_size[mpl];
938 if (p_pa_nfc->atr_res_len > gb_idx)
939 {
940 p_pa_nfc->gen_bytes_len = p_pa_nfc->atr_res_len - gb_idx;
941 if (p_pa_nfc->gen_bytes_len > NFC_MAX_GEN_BYTES_LEN)
942 p_pa_nfc->gen_bytes_len = NFC_MAX_GEN_BYTES_LEN;
943 memcpy (p_pa_nfc->gen_bytes, &p_pa_nfc->atr_res[gb_idx], p_pa_nfc->gen_bytes_len);
944 }
945 }
946 }
947 #endif
948 else if ((evt_data.activate.intf_param.type == NCI_INTERFACE_FRAME) && (evt_data.activate.protocol == NCI_PROTOCOL_T1T) )
949 {
950 p_pa = &evt_data.activate.rf_tech_param.param.pa;
951 if ((len_act == NCI_T1T_HR_LEN) && (p_pa->hr_len == 0))
952 {
953 p_pa->hr_len = NCI_T1T_HR_LEN;
954 p_pa->hr[0] = *p++;
955 p_pa->hr[1] = *p++;
956 }
957 }
958
959 p_cb->act_protocol = evt_data.activate.protocol;
960 p_cb->buff_size = buff_size;
961 p_cb->num_buff = num_buff;
962 p_cb->init_credits = num_buff;
963
964 if (nfc_cb.p_discv_cback)
965 {
966 (*nfc_cb.p_discv_cback) (NFC_ACTIVATE_DEVT, &evt_data);
967 }
968 }
969
970 /*******************************************************************************
971 **
972 ** Function nfc_ncif_proc_deactivate
973 **
974 ** Description This function is called to process de-activate
975 ** response and notification
976 **
977 ** Returns void
978 **
979 *******************************************************************************/
nfc_ncif_proc_deactivate(UINT8 status,UINT8 deact_type,BOOLEAN is_ntf)980 void nfc_ncif_proc_deactivate (UINT8 status, UINT8 deact_type, BOOLEAN is_ntf)
981 {
982 tNFC_DISCOVER evt_data;
983 tNFC_DEACTIVATE_DEVT *p_deact;
984 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID];
985 void *p_data;
986
987 nfc_set_state (NFC_STATE_IDLE);
988 p_deact = &evt_data.deactivate;
989 p_deact->status = status;
990 p_deact->type = deact_type;
991 p_deact->is_ntf = is_ntf;
992
993 while ((p_data = GKI_dequeue (&p_cb->rx_q)) != NULL)
994 {
995 GKI_freebuf (p_data);
996 }
997
998 while ((p_data = GKI_dequeue (&p_cb->tx_q)) != NULL)
999 {
1000 GKI_freebuf (p_data);
1001 }
1002
1003 if (p_cb->p_cback)
1004 (*p_cb->p_cback) (NFC_RF_CONN_ID, NFC_DEACTIVATE_CEVT, (tNFC_CONN *) p_deact);
1005
1006 if (nfc_cb.p_discv_cback)
1007 {
1008 (*nfc_cb.p_discv_cback) (NFC_DEACTIVATE_DEVT, &evt_data);
1009 }
1010 }
1011 /*******************************************************************************
1012 **
1013 ** Function nfc_ncif_proc_ee_action
1014 **
1015 ** Description This function is called to process NFCEE ACTION NTF
1016 **
1017 ** Returns void
1018 **
1019 *******************************************************************************/
1020 #if ((NFC_NFCEE_INCLUDED == TRUE) && (NFC_RW_ONLY == FALSE))
nfc_ncif_proc_ee_action(UINT8 * p,UINT16 plen)1021 void nfc_ncif_proc_ee_action (UINT8 *p, UINT16 plen)
1022 {
1023 tNFC_EE_ACTION_REVT evt_data;
1024 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback;
1025 UINT8 data_len, ulen, tag, *p_data;
1026 UINT8 max_len;
1027
1028 if (p_cback)
1029 {
1030 memset (&evt_data.act_data, 0, sizeof (tNFC_ACTION_DATA));
1031 evt_data.status = NFC_STATUS_OK;
1032 evt_data.nfcee_id = *p++;
1033 evt_data.act_data.trigger = *p++;
1034 data_len = *p++;
1035 if (plen >= 3)
1036 plen -= 3;
1037 if (data_len > plen)
1038 data_len = (UINT8) plen;
1039
1040 switch (evt_data.act_data.trigger)
1041 {
1042 case NCI_EE_TRIG_7816_SELECT:
1043 if (data_len > NFC_MAX_AID_LEN)
1044 data_len = NFC_MAX_AID_LEN;
1045 evt_data.act_data.param.aid.len_aid = data_len;
1046 STREAM_TO_ARRAY (evt_data.act_data.param.aid.aid, p, data_len);
1047 break;
1048 case NCI_EE_TRIG_RF_PROTOCOL:
1049 evt_data.act_data.param.protocol = *p++;
1050 break;
1051 case NCI_EE_TRIG_RF_TECHNOLOGY:
1052 evt_data.act_data.param.technology = *p++;
1053 break;
1054 case NCI_EE_TRIG_APP_INIT:
1055 while (data_len > NFC_TL_SIZE)
1056 {
1057 data_len -= NFC_TL_SIZE;
1058 tag = *p++;
1059 ulen = *p++;
1060 if (ulen > data_len)
1061 ulen = data_len;
1062 p_data = NULL;
1063 max_len = ulen;
1064 switch (tag)
1065 {
1066 case NCI_EE_ACT_TAG_AID: /* AID */
1067 if (max_len > NFC_MAX_AID_LEN)
1068 max_len = NFC_MAX_AID_LEN;
1069 evt_data.act_data.param.app_init.len_aid = max_len;
1070 p_data = evt_data.act_data.param.app_init.aid;
1071 break;
1072 case NCI_EE_ACT_TAG_DATA: /* hex data for app */
1073 if (max_len > NFC_MAX_APP_DATA_LEN)
1074 max_len = NFC_MAX_APP_DATA_LEN;
1075 evt_data.act_data.param.app_init.len_data = max_len;
1076 p_data = evt_data.act_data.param.app_init.data;
1077 break;
1078 }
1079 if (p_data)
1080 {
1081 STREAM_TO_ARRAY (p_data, p, max_len);
1082 }
1083 data_len -= ulen;
1084 }
1085 break;
1086 }
1087 (*p_cback) (NFC_EE_ACTION_REVT, (tNFC_RESPONSE *) &evt_data);
1088 }
1089 }
1090
1091 /*******************************************************************************
1092 **
1093 ** Function nfc_ncif_proc_ee_discover_req
1094 **
1095 ** Description This function is called to process NFCEE DISCOVER REQ NTF
1096 **
1097 ** Returns void
1098 **
1099 *******************************************************************************/
nfc_ncif_proc_ee_discover_req(UINT8 * p,UINT16 plen)1100 void nfc_ncif_proc_ee_discover_req (UINT8 *p, UINT16 plen)
1101 {
1102 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback;
1103 tNFC_EE_DISCOVER_REQ_REVT ee_disc_req;
1104 tNFC_EE_DISCOVER_INFO *p_info;
1105 UINT8 u8;
1106
1107 NFC_TRACE_DEBUG2 ("nfc_ncif_proc_ee_discover_req %d len:%d", *p, plen);
1108 if (p_cback)
1109 {
1110 u8 = *p;
1111 ee_disc_req.status = NFC_STATUS_OK;
1112 ee_disc_req.num_info = *p++;
1113 p_info = ee_disc_req.info;
1114 if (plen)
1115 plen--;
1116 while ((u8 > 0) && (plen >= NFC_EE_DISCOVER_ENTRY_LEN))
1117 {
1118 p_info->op = *p++; /* T */
1119 if (*p != NFC_EE_DISCOVER_INFO_LEN)/* L */
1120 {
1121 NFC_TRACE_DEBUG1 ("bad entry len:%d", *p );
1122 return;
1123 }
1124 p++;
1125 /* V */
1126 p_info->nfcee_id = *p++;
1127 p_info->tech_n_mode = *p++;
1128 p_info->protocol = *p++;
1129 u8--;
1130 plen -=NFC_EE_DISCOVER_ENTRY_LEN;
1131 p_info++;
1132 }
1133 (*p_cback) (NFC_EE_DISCOVER_REQ_REVT, (tNFC_RESPONSE *) &ee_disc_req);
1134 }
1135
1136 }
1137
1138 /*******************************************************************************
1139 **
1140 ** Function nfc_ncif_proc_get_routing
1141 **
1142 ** Description This function is called to process get routing notification
1143 **
1144 ** Returns void
1145 **
1146 *******************************************************************************/
nfc_ncif_proc_get_routing(UINT8 * p,UINT8 len)1147 void nfc_ncif_proc_get_routing (UINT8 *p, UINT8 len)
1148 {
1149 tNFC_GET_ROUTING_REVT evt_data;
1150 UINT8 more, num_entries, xx, yy, *pn, tl;
1151 tNFC_STATUS status = NFC_STATUS_CONTINUE;
1152
1153 if (nfc_cb.p_resp_cback)
1154 {
1155 more = *p++;
1156 num_entries = *p++;
1157 for (xx = 0; xx < num_entries; xx++)
1158 {
1159 if ((more == FALSE) && (xx == (num_entries - 1)))
1160 status = NFC_STATUS_OK;
1161 evt_data.status = (tNFC_STATUS) status;
1162 evt_data.nfcee_id = *p++;
1163 evt_data.num_tlvs = *p++;
1164 evt_data.tlv_size = 0;
1165 pn = evt_data.param_tlvs;
1166 for (yy = 0; yy < evt_data.num_tlvs; yy++)
1167 {
1168 tl = *(p+1);
1169 tl += NFC_TL_SIZE;
1170 STREAM_TO_ARRAY (pn, p, tl);
1171 evt_data.tlv_size += tl;
1172 pn += tl;
1173 }
1174 (*nfc_cb.p_resp_cback) (NFC_GET_ROUTING_REVT, (tNFC_RESPONSE *) &evt_data);
1175 }
1176 }
1177 }
1178 #endif
1179
1180 /*******************************************************************************
1181 **
1182 ** Function nfc_ncif_proc_conn_create_rsp
1183 **
1184 ** Description This function is called to process connection create
1185 ** response
1186 **
1187 ** Returns void
1188 **
1189 *******************************************************************************/
nfc_ncif_proc_conn_create_rsp(UINT8 * p,UINT16 plen,UINT8 dest_type)1190 void nfc_ncif_proc_conn_create_rsp (UINT8 *p, UINT16 plen, UINT8 dest_type)
1191 {
1192 tNFC_CONN_CB * p_cb;
1193 tNFC_STATUS status;
1194 tNFC_CONN_CBACK *p_cback;
1195 tNFC_CONN evt_data;
1196 UINT8 conn_id;
1197
1198 /* find the pending connection control block */
1199 p_cb = nfc_find_conn_cb_by_conn_id (NFC_PEND_CONN_ID);
1200 if (p_cb)
1201 {
1202 p += NCI_MSG_HDR_SIZE;
1203 status = *p++;
1204 p_cb->buff_size = *p++;
1205 p_cb->num_buff = p_cb->init_credits = *p++;
1206 conn_id = *p++;
1207 evt_data.conn_create.status = status;
1208 evt_data.conn_create.dest_type = dest_type;
1209 evt_data.conn_create.id = p_cb->id;
1210 evt_data.conn_create.buff_size = p_cb->buff_size;
1211 evt_data.conn_create.num_buffs = p_cb->num_buff;
1212 p_cback = p_cb->p_cback;
1213 if (status == NCI_STATUS_OK)
1214 {
1215 nfc_set_conn_id (p_cb, conn_id);
1216 }
1217 else
1218 {
1219 nfc_free_conn_cb (p_cb);
1220 }
1221
1222
1223 if (p_cback)
1224 (*p_cback) (conn_id, NFC_CONN_CREATE_CEVT, &evt_data);
1225 }
1226 }
1227
1228 /*******************************************************************************
1229 **
1230 ** Function nfc_ncif_report_conn_close_evt
1231 **
1232 ** Description This function is called to report connection close event
1233 **
1234 ** Returns void
1235 **
1236 *******************************************************************************/
nfc_ncif_report_conn_close_evt(UINT8 conn_id,tNFC_STATUS status)1237 void nfc_ncif_report_conn_close_evt (UINT8 conn_id, tNFC_STATUS status)
1238 {
1239 tNFC_CONN evt_data;
1240 tNFC_CONN_CBACK *p_cback;
1241 tNFC_CONN_CB *p_cb;
1242
1243 p_cb = nfc_find_conn_cb_by_conn_id (conn_id);
1244 if (p_cb)
1245 {
1246 p_cback = p_cb->p_cback;
1247 nfc_free_conn_cb (p_cb);
1248 evt_data.status = status;
1249 if (p_cback)
1250 (*p_cback) (conn_id, NFC_CONN_CLOSE_CEVT, &evt_data);
1251 }
1252 }
1253
1254 /*******************************************************************************
1255 **
1256 ** Function nfc_ncif_proc_reset_rsp
1257 **
1258 ** Description This function is called to process reset response/notification
1259 **
1260 ** Returns void
1261 **
1262 *******************************************************************************/
nfc_ncif_proc_reset_rsp(UINT8 * p,BOOLEAN is_ntf)1263 void nfc_ncif_proc_reset_rsp (UINT8 *p, BOOLEAN is_ntf)
1264 {
1265 UINT8 status = *p++;
1266
1267 if (is_ntf)
1268 {
1269 NFC_TRACE_ERROR1 ("reset notification!!:0x%x ", status);
1270 /* clean up, if the state is OPEN
1271 * FW does not report reset ntf right now */
1272 if (nfc_cb.nfc_state == NFC_STATE_OPEN)
1273 {
1274 /*if any conn_cb is connected, close it.
1275 if any pending outgoing packets are dropped.*/
1276 nfc_reset_all_conn_cbs ();
1277 }
1278 status = NCI_STATUS_OK;
1279 }
1280
1281 if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC))
1282 {
1283 nfc_reset_all_conn_cbs ();
1284 }
1285
1286 if (status == NCI_STATUS_OK)
1287 {
1288 if ((*p) != NCI_VERSION)
1289 {
1290 NFC_TRACE_DEBUG2 ("NCI version mismatch!!:0x%02x != 0x%02x ", NCI_VERSION, *p);
1291 if ((*p) < NCI_VERSION_0_F)
1292 {
1293 NFC_TRACE_ERROR0 ("NFCC version is too old");
1294 status = NCI_STATUS_FAILED;
1295 }
1296 }
1297 }
1298
1299 if (status == NCI_STATUS_OK)
1300 {
1301 nci_snd_core_init ();
1302 }
1303 else
1304 {
1305 NFC_TRACE_ERROR0 ("Failed to reset NFCC");
1306 nfc_enabled (status, NULL);
1307 }
1308 }
1309
1310 /*******************************************************************************
1311 **
1312 ** Function nfc_ncif_proc_init_rsp
1313 **
1314 ** Description This function is called to process init response
1315 **
1316 ** Returns void
1317 **
1318 *******************************************************************************/
nfc_ncif_proc_init_rsp(BT_HDR * p_msg)1319 void nfc_ncif_proc_init_rsp (BT_HDR *p_msg)
1320 {
1321 UINT8 *p, status;
1322 tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID];
1323
1324 p = (UINT8 *) (p_msg + 1) + p_msg->offset;
1325
1326 /* handle init params in nfc_enabled */
1327 status = *(p + NCI_MSG_HDR_SIZE);
1328 if (status == NCI_STATUS_OK)
1329 {
1330 p_cb->id = NFC_RF_CONN_ID;
1331 p_cb->act_protocol = NCI_PROTOCOL_UNKNOWN;
1332
1333 nfc_set_state (NFC_STATE_W4_POST_INIT_CPLT);
1334
1335 nfc_cb.p_nci_init_rsp = p_msg;
1336 nfc_cb.p_hal->core_initialized (p);
1337 }
1338 else
1339 {
1340 nfc_enabled (status, NULL);
1341 GKI_freebuf (p_msg);
1342 }
1343 }
1344
1345 /*******************************************************************************
1346 **
1347 ** Function nfc_ncif_proc_get_config_rsp
1348 **
1349 ** Description This function is called to process get config response
1350 **
1351 ** Returns void
1352 **
1353 *******************************************************************************/
nfc_ncif_proc_get_config_rsp(BT_HDR * p_evt)1354 void nfc_ncif_proc_get_config_rsp (BT_HDR *p_evt)
1355 {
1356 UINT8 *p;
1357 tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback;
1358 tNFC_RESPONSE evt_data;
1359
1360 p_evt->offset += NCI_MSG_HDR_SIZE;
1361 p_evt->len -= NCI_MSG_HDR_SIZE;
1362 if (p_cback)
1363 {
1364 p = (UINT8 *) (p_evt + 1) + p_evt->offset;
1365 evt_data.get_config.status = *p++;
1366 evt_data.get_config.tlv_size = p_evt->len;
1367 evt_data.get_config.p_param_tlvs = p;
1368 (*p_cback) (NFC_GET_CONFIG_REVT, &evt_data);
1369 }
1370 }
1371
1372 /*******************************************************************************
1373 **
1374 ** Function nfc_ncif_proc_t3t_polling_ntf
1375 **
1376 ** Description Handle NCI_MSG_RF_T3T_POLLING NTF
1377 **
1378 ** Returns void
1379 **
1380 *******************************************************************************/
nfc_ncif_proc_t3t_polling_ntf(UINT8 * p,UINT16 plen)1381 void nfc_ncif_proc_t3t_polling_ntf (UINT8 *p, UINT16 plen)
1382 {
1383 UINT8 status;
1384 UINT8 num_responses;
1385
1386 /* Pass result to RW_T3T for processing */
1387 STREAM_TO_UINT8 (status, p);
1388 STREAM_TO_UINT8 (num_responses, p);
1389 plen-=NFC_TL_SIZE;
1390 rw_t3t_handle_nci_poll_ntf (status, num_responses, (UINT8) plen, p);
1391 }
1392
1393 /*******************************************************************************
1394 **
1395 ** Function nfc_data_event
1396 **
1397 ** Description Report Data event on the given connection control block
1398 **
1399 ** Returns void
1400 **
1401 *******************************************************************************/
nfc_data_event(tNFC_CONN_CB * p_cb)1402 void nfc_data_event (tNFC_CONN_CB * p_cb)
1403 {
1404 BT_HDR *p_evt;
1405 tNFC_DATA_CEVT data_cevt;
1406 UINT8 *p;
1407
1408 if (p_cb->p_cback)
1409 {
1410 while ((p_evt = (BT_HDR *)GKI_getfirst (&p_cb->rx_q)) != NULL)
1411 {
1412 if (p_evt->layer_specific & NFC_RAS_FRAGMENTED)
1413 {
1414 break;
1415 }
1416 p_evt = (BT_HDR *) GKI_dequeue (&p_cb->rx_q);
1417 /* report data event */
1418 p_evt->offset += NCI_MSG_HDR_SIZE;
1419 p_evt->len -= NCI_MSG_HDR_SIZE;
1420 if (p_evt->layer_specific)
1421 data_cevt.status = NFC_STATUS_BAD_LENGTH;
1422 else
1423 data_cevt.status = NFC_STATUS_OK;
1424 data_cevt.p_data = p_evt;
1425 /* adjust payload, if needed */
1426 if (p_cb->conn_id == NFC_RF_CONN_ID)
1427 {
1428 /* if NCI_PROTOCOL_T1T/NCI_PROTOCOL_T2T/NCI_PROTOCOL_T3T, the status byte needs to be removed
1429 */
1430 if ((p_cb->act_protocol >= NCI_PROTOCOL_T1T) && (p_cb->act_protocol <= NCI_PROTOCOL_T3T))
1431 {
1432 p_evt->len--;
1433 p = (UINT8 *) (p_evt + 1);
1434 data_cevt.status = *(p + p_evt->offset + p_evt->len);
1435 }
1436 }
1437 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_CEVT, (tNFC_CONN *) &data_cevt);
1438 p_evt = NULL;
1439 }
1440 }
1441 }
1442
1443 /*******************************************************************************
1444 **
1445 ** Function nfc_ncif_proc_data
1446 **
1447 ** Description Find the connection control block associated with the data
1448 ** packet. Assemble the data packet, if needed.
1449 ** Report the Data event.
1450 **
1451 ** Returns void
1452 **
1453 *******************************************************************************/
nfc_ncif_proc_data(BT_HDR * p_msg)1454 void nfc_ncif_proc_data (BT_HDR *p_msg)
1455 {
1456 UINT8 *pp, cid;
1457 tNFC_CONN_CB * p_cb;
1458 UINT8 pbf;
1459 BT_HDR *p_last;
1460 UINT8 *ps, *pd;
1461 UINT16 size;
1462 BT_HDR *p_max = NULL;
1463 UINT16 len;
1464 UINT16 error_mask = 0;
1465
1466 pp = (UINT8 *) (p_msg+1) + p_msg->offset;
1467 NFC_TRACE_DEBUG3 ("nfc_ncif_proc_data 0x%02x%02x%02x", pp[0], pp[1], pp[2]);
1468 NCI_DATA_PRS_HDR (pp, pbf, cid, len);
1469 p_cb = nfc_find_conn_cb_by_conn_id (cid);
1470 if (p_cb && (p_msg->len >= NCI_DATA_HDR_SIZE))
1471 {
1472 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", len);
1473 if (len > 0)
1474 {
1475 p_msg->layer_specific = 0;
1476 if (pbf)
1477 p_msg->layer_specific = NFC_RAS_FRAGMENTED;
1478 p_last = (BT_HDR *)GKI_getlast (&p_cb->rx_q);
1479 if (p_last && (p_last->layer_specific & NFC_RAS_FRAGMENTED))
1480 {
1481 /* last data buffer is not last fragment, append this new packet to the last */
1482 size = GKI_get_buf_size(p_last);
1483 if (size < (BT_HDR_SIZE + p_last->len + p_last->offset + len))
1484 {
1485 /* the current size of p_last is not big enough to hold the new fragment, p_msg */
1486 if (size != GKI_MAX_BUF_SIZE)
1487 {
1488 /* try the biggest GKI pool */
1489 p_max = (BT_HDR *)GKI_getpoolbuf (GKI_MAX_BUF_SIZE_POOL_ID);
1490 if (p_max)
1491 {
1492 /* copy the content of last buffer to the new buffer */
1493 memcpy(p_max, p_last, BT_HDR_SIZE);
1494 pd = (UINT8 *)(p_max + 1) + p_max->offset;
1495 ps = (UINT8 *)(p_last + 1) + p_last->offset;
1496 memcpy(pd, ps, p_last->len);
1497
1498 /* place the new buffer in the queue instead */
1499 GKI_remove_from_queue (&p_cb->rx_q, p_last);
1500 GKI_freebuf (p_last);
1501 GKI_enqueue (&p_cb->rx_q, p_max);
1502 p_last = p_max;
1503 }
1504 }
1505 if (p_max == NULL)
1506 {
1507 p_last->layer_specific |= NFC_RAS_TOO_BIG;
1508 NFC_TRACE_ERROR1 ("nci_reassemble_msg buffer overrun(%d)!!", len);
1509 }
1510 }
1511
1512 ps = (UINT8 *)(p_msg + 1) + p_msg->offset + NCI_MSG_HDR_SIZE;
1513 len = p_msg->len - NCI_MSG_HDR_SIZE;
1514 if ((p_last->layer_specific & NFC_RAS_TOO_BIG) == 0)
1515 {
1516 pd = (UINT8 *)(p_last + 1) + p_last->offset + p_last->len;
1517 memcpy(pd, ps, len);
1518 p_last->len += len;
1519 /* do not need to update pbf and len in NCI header.
1520 * They are stripped off at NFC_DATA_CEVT and len may exceed 255 */
1521 NFC_TRACE_DEBUG1 ("nfc_ncif_proc_data len:%d", p_last->len);
1522 }
1523
1524 error_mask = (p_last->layer_specific & NFC_RAS_TOO_BIG);
1525 p_last->layer_specific = (p_msg->layer_specific | error_mask);
1526 GKI_freebuf (p_msg);
1527 #ifdef DISP_NCI
1528 if ((p_last->layer_specific & NFC_RAS_FRAGMENTED) == 0)
1529 {
1530 /* this packet was reassembled. display the complete packet */
1531 DISP_NCI ((UINT8 *)(p_last + 1) + p_last->offset, p_last->len, TRUE);
1532 }
1533 #endif
1534 }
1535 else
1536 {
1537 /* if this is the first fragment on RF link */
1538 if ( (p_msg->layer_specific & NFC_RAS_FRAGMENTED)
1539 &&(p_cb->conn_id == NFC_RF_CONN_ID)
1540 &&(p_cb->p_cback) )
1541 {
1542 /* Indicate upper layer that local device started receiving data */
1543 (*p_cb->p_cback) (p_cb->conn_id, NFC_DATA_START_CEVT, NULL);
1544 }
1545 /* enqueue the new buffer to the rx queue */
1546 GKI_enqueue (&p_cb->rx_q, p_msg);
1547 }
1548 nfc_data_event (p_cb);
1549 return;
1550 }
1551 /* else an empty data packet*/
1552 }
1553 GKI_freebuf (p_msg);
1554 }
1555
1556 #endif /* NFC_INCLUDED == TRUE*/
1557