projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
[deliverable/linux.git] / drivers / staging / vt6655 / 80211mgr.c
1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: 80211mgr.c
20 *
21 * Purpose: Handles the 802.11 management support functions
22 *
23 * Author: Lyndon Chen
24 *
25 * Date: May 8, 2002
26 *
27 * Functions:
28 * vMgrEncodeBeacon - Encode the Beacon frame
29 * vMgrDecodeBeacon - Decode the Beacon frame
30 * vMgrEncodeIBSSATIM - Encode the IBSS ATIM frame
31 * vMgrDecodeIBSSATIM - Decode the IBSS ATIM frame
32 * vMgrEncodeDisassociation - Encode the Disassociation frame
33 * vMgrDecodeDisassociation - Decode the Disassociation frame
34 * vMgrEncodeAssocRequest - Encode the Association request frame
35 * vMgrDecodeAssocRequest - Decode the Association request frame
36 * vMgrEncodeAssocResponse - Encode the Association response frame
37 * vMgrDecodeAssocResponse - Decode the Association response frame
38 * vMgrEncodeReAssocRequest - Encode the ReAssociation request frame
39 * vMgrDecodeReAssocRequest - Decode the ReAssociation request frame
40 * vMgrEncodeProbeRequest - Encode the Probe request frame
41 * vMgrDecodeProbeRequest - Decode the Probe request frame
42 * vMgrEncodeProbeResponse - Encode the Probe response frame
43 * vMgrDecodeProbeResponse - Decode the Probe response frame
44 * vMgrEncodeAuthen - Encode the Authentication frame
45 * vMgrDecodeAuthen - Decode the Authentication frame
46 * vMgrEncodeDeauthen - Encode the DeAuthentication frame
47 * vMgrDecodeDeauthen - Decode the DeAuthentication frame
48 * vMgrEncodeReassocResponse - Encode the Reassociation response frame
49 * vMgrDecodeReassocResponse - Decode the Reassociation response frame
50 *
51 * Revision History:
52 *
53 */
54
55 #include "tmacro.h"
56 #include "tether.h"
57 #include "80211mgr.h"
58 #include "80211hdr.h"
59 #include "device.h"
60 #include "wpa.h"
61
62 /*--------------------- Static Definitions -------------------------*/
63
64
65
66 /*--------------------- Static Classes ----------------------------*/
67
68 /*--------------------- Static Variables --------------------------*/
69
70 static int msglevel =MSG_LEVEL_INFO;
71 //static int msglevel =MSG_LEVEL_DEBUG;
72 /*--------------------- Static Functions --------------------------*/
73
74
75
76 /*--------------------- Export Variables --------------------------*/
77
78
79 /*--------------------- Export Functions --------------------------*/
80
81
82 /*+
83 *
84 * Routine Description:
85 * Encode Beacon frame body offset
86 *
87 * Return Value:
88 * None.
89 *
90 -*/
91
92 void
93 vMgrEncodeBeacon(
94 PWLAN_FR_BEACON pFrame
95 )
96 {
97 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
98
99 // Fixed Fields
100 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
101 + WLAN_BEACON_OFF_TS);
102 pFrame->pwBeaconInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
103 + WLAN_BEACON_OFF_BCN_INT);
104 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
105 + WLAN_BEACON_OFF_CAPINFO);
106
107 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID;
108
109 return;
110 }
111
112 /*+
113 *
114 * Routine Description:
115 * Decode Beacon frame body offset
116 *
117 *
118 * Return Value:
119 * None.
120 *
121 -*/
122
123
124 void
125 vMgrDecodeBeacon(
126 PWLAN_FR_BEACON pFrame
127 )
128 {
129 PWLAN_IE pItem;
130
131 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
132
133 // Fixed Fields
134 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
135 + WLAN_BEACON_OFF_TS);
136 pFrame->pwBeaconInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
137 + WLAN_BEACON_OFF_BCN_INT);
138 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
139 + WLAN_BEACON_OFF_CAPINFO);
140
141 // Information elements
142 pItem = (PWLAN_IE)((unsigned char *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)))
143 + WLAN_BEACON_OFF_SSID);
144 while( ((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len) ){
145
146 switch (pItem->byElementID) {
147 case WLAN_EID_SSID:
148 if (pFrame->pSSID == NULL)
149 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
150 break;
151 case WLAN_EID_SUPP_RATES:
152 if (pFrame->pSuppRates == NULL)
153 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
154 break;
155 case WLAN_EID_FH_PARMS:
156 //pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem;
157 break;
158 case WLAN_EID_DS_PARMS:
159 if (pFrame->pDSParms == NULL)
160 pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
161 break;
162 case WLAN_EID_CF_PARMS:
163 if (pFrame->pCFParms == NULL)
164 pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
165 break;
166 case WLAN_EID_IBSS_PARMS:
167 if (pFrame->pIBSSParms == NULL)
168 pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
169 break;
170 case WLAN_EID_TIM:
171 if (pFrame->pTIM == NULL)
172 pFrame->pTIM = (PWLAN_IE_TIM)pItem;
173 break;
174
175 case WLAN_EID_RSN:
176 if (pFrame->pRSN == NULL) {
177 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
178 }
179 break;
180 case WLAN_EID_RSN_WPA:
181 if (pFrame->pRSNWPA == NULL) {
182 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
183 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
184 }
185 break;
186
187 case WLAN_EID_ERP:
188 if (pFrame->pERP == NULL)
189 pFrame->pERP = (PWLAN_IE_ERP)pItem;
190 break;
191 case WLAN_EID_EXTSUPP_RATES:
192 if (pFrame->pExtSuppRates == NULL)
193 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
194 break;
195
196 case WLAN_EID_COUNTRY: //7
197 if (pFrame->pIE_Country == NULL)
198 pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
199 break;
200
201 case WLAN_EID_PWR_CONSTRAINT: //32
202 if (pFrame->pIE_PowerConstraint == NULL)
203 pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
204 break;
205
206 case WLAN_EID_CH_SWITCH: //37
207 if (pFrame->pIE_CHSW == NULL)
208 pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
209 break;
210
211 case WLAN_EID_QUIET: //40
212 if (pFrame->pIE_Quiet == NULL)
213 pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
214 break;
215
216 case WLAN_EID_IBSS_DFS:
217 if (pFrame->pIE_IBSSDFS == NULL)
218 pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
219 break;
220
221 default:
222 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID);
223 break;
224
225 }
226 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
227 }
228
229 return;
230 }
231
232
233 /*+
234 *
235 * Routine Description:
236 * Encode IBSS ATIM
237 *
238 *
239 * Return Value:
240 * None.
241 *
242 -*/
243
244
245 void
246 vMgrEncodeIBSSATIM(
247 PWLAN_FR_IBSSATIM pFrame
248 )
249 {
250 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
251 pFrame->len = WLAN_HDR_ADDR3_LEN;
252
253 return;
254 }
255
256
257 /*+
258 *
259 * Routine Description:
260 * Decode IBSS ATIM
261 *
262 *
263 * Return Value:
264 * None.
265 *
266 -*/
267
268 void
269 vMgrDecodeIBSSATIM(
270 PWLAN_FR_IBSSATIM pFrame
271 )
272 {
273 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
274
275 return;
276 }
277
278
279 /*+
280 *
281 * Routine Description:
282 * Encode Disassociation
283 *
284 *
285 * Return Value:
286 * None.
287 *
288 -*/
289
290 void
291 vMgrEncodeDisassociation(
292 PWLAN_FR_DISASSOC pFrame
293 )
294 {
295 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
296
297
298 // Fixed Fields
299 pFrame->pwReason = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
300 + WLAN_DISASSOC_OFF_REASON);
301 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason));
302
303 return;
304 }
305
306
307 /*+
308 *
309 * Routine Description:
310 * Decode Disassociation
311 *
312 *
313 * Return Value:
314 * None.
315 *
316 -*/
317
318 void
319 vMgrDecodeDisassociation(
320 PWLAN_FR_DISASSOC pFrame
321 )
322 {
323 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
324
325 // Fixed Fields
326 pFrame->pwReason = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
327 + WLAN_DISASSOC_OFF_REASON);
328
329 return;
330 }
331
332 /*+
333 *
334 * Routine Description:
335 * Encode Association Request
336 *
337 *
338 * Return Value:
339 * None.
340 *
341 -*/
342
343
344 void
345 vMgrEncodeAssocRequest(
346 PWLAN_FR_ASSOCREQ pFrame
347 )
348 {
349 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
350 // Fixed Fields
351 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
352 + WLAN_ASSOCREQ_OFF_CAP_INFO);
353 pFrame->pwListenInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
354 + WLAN_ASSOCREQ_OFF_LISTEN_INT);
355 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval));
356 return;
357 }
358
359
360 /*+
361 *
362 * Routine Description: (AP)
363 * Decode Association Request
364 *
365 *
366 * Return Value:
367 * None.
368 *
369 -*/
370
371 void
372 vMgrDecodeAssocRequest(
373 PWLAN_FR_ASSOCREQ pFrame
374 )
375 {
376 PWLAN_IE pItem;
377
378 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
379 // Fixed Fields
380 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
381 + WLAN_ASSOCREQ_OFF_CAP_INFO);
382 pFrame->pwListenInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
383 + WLAN_ASSOCREQ_OFF_LISTEN_INT);
384
385 // Information elements
386 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
387 + WLAN_ASSOCREQ_OFF_SSID);
388
389 while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
390 switch (pItem->byElementID){
391 case WLAN_EID_SSID:
392 if (pFrame->pSSID == NULL)
393 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
394 break;
395 case WLAN_EID_SUPP_RATES:
396 if (pFrame->pSuppRates == NULL)
397 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
398 break;
399
400 case WLAN_EID_RSN:
401 if (pFrame->pRSN == NULL) {
402 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
403 }
404 break;
405 case WLAN_EID_RSN_WPA:
406 if (pFrame->pRSNWPA == NULL) {
407 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
408 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
409 }
410 break;
411 case WLAN_EID_EXTSUPP_RATES:
412 if (pFrame->pExtSuppRates == NULL)
413 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
414 break;
415
416 default:
417 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n",
418 pItem->byElementID);
419 break;
420 }
421 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
422 }
423 return;
424 }
425
426 /*+
427 *
428 * Routine Description: (AP)
429 * Encode Association Response
430 *
431 *
432 * Return Value:
433 * None.
434 *
435 -*/
436
437 void
438 vMgrEncodeAssocResponse(
439 PWLAN_FR_ASSOCRESP pFrame
440 )
441 {
442 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
443
444 // Fixed Fields
445 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
446 + WLAN_ASSOCRESP_OFF_CAP_INFO);
447 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
448 + WLAN_ASSOCRESP_OFF_STATUS);
449 pFrame->pwAid = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
450 + WLAN_ASSOCRESP_OFF_AID);
451 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID
452 + sizeof(*(pFrame->pwAid));
453
454 return;
455 }
456
457
458 /*+
459 *
460 * Routine Description:
461 * Decode Association Response
462 *
463 *
464 * Return Value:
465 * None.
466 *
467 -*/
468
469 void
470 vMgrDecodeAssocResponse(
471 PWLAN_FR_ASSOCRESP pFrame
472 )
473 {
474 PWLAN_IE pItem;
475
476 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
477
478 // Fixed Fields
479 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
480 + WLAN_ASSOCRESP_OFF_CAP_INFO);
481 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
482 + WLAN_ASSOCRESP_OFF_STATUS);
483 pFrame->pwAid = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
484 + WLAN_ASSOCRESP_OFF_AID);
485
486 // Information elements
487 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
488 + WLAN_ASSOCRESP_OFF_SUPP_RATES);
489
490 pItem = (PWLAN_IE)(pFrame->pSuppRates);
491 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
492
493 if ((((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) &&
494 (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
495 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
496 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pFrame->pExtSuppRates=[%p].\n", pItem);
497 }
498 else {
499 pFrame->pExtSuppRates = NULL;
500 }
501 return;
502 }
503
504
505 /*+
506 *
507 * Routine Description:
508 * Encode Reassociation Request
509 *
510 *
511 * Return Value:
512 * None.
513 *
514 -*/
515
516 void
517 vMgrEncodeReassocRequest(
518 PWLAN_FR_REASSOCREQ pFrame
519 )
520 {
521 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
522
523 // Fixed Fields
524 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
525 + WLAN_REASSOCREQ_OFF_CAP_INFO);
526 pFrame->pwListenInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
527 + WLAN_REASSOCREQ_OFF_LISTEN_INT);
528 pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
529 + WLAN_REASSOCREQ_OFF_CURR_AP);
530 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP + sizeof(*(pFrame->pAddrCurrAP));
531
532 return;
533 }
534
535
536 /*+
537 *
538 * Routine Description: (AP)
539 * Decode Reassociation Request
540 *
541 *
542 * Return Value:
543 * None.
544 *
545 -*/
546
547
548 void
549 vMgrDecodeReassocRequest(
550 PWLAN_FR_REASSOCREQ pFrame
551 )
552 {
553 PWLAN_IE pItem;
554 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
555
556 // Fixed Fields
557 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
558 + WLAN_REASSOCREQ_OFF_CAP_INFO);
559 pFrame->pwListenInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
560 + WLAN_REASSOCREQ_OFF_LISTEN_INT);
561 pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
562 + WLAN_REASSOCREQ_OFF_CURR_AP);
563
564 // Information elements
565 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
566 + WLAN_REASSOCREQ_OFF_SSID);
567
568 while(((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
569
570 switch (pItem->byElementID){
571 case WLAN_EID_SSID:
572 if (pFrame->pSSID == NULL)
573 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
574 break;
575 case WLAN_EID_SUPP_RATES:
576 if (pFrame->pSuppRates == NULL)
577 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
578 break;
579
580 case WLAN_EID_RSN:
581 if (pFrame->pRSN == NULL) {
582 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
583 }
584 break;
585 case WLAN_EID_RSN_WPA:
586 if (pFrame->pRSNWPA == NULL) {
587 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
588 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
589 }
590 break;
591
592 case WLAN_EID_EXTSUPP_RATES:
593 if (pFrame->pExtSuppRates == NULL)
594 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
595 break;
596 default:
597 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n",
598 pItem->byElementID);
599 break;
600 }
601 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
602 }
603 return;
604 }
605
606
607
608 /*+
609 *
610 * Routine Description:
611 * Encode Probe Request
612 *
613 *
614 * Return Value:
615 * None.
616 *
617 -*/
618
619
620 void
621 vMgrEncodeProbeRequest(
622 PWLAN_FR_PROBEREQ pFrame
623 )
624 {
625 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
626 pFrame->len = WLAN_HDR_ADDR3_LEN;
627 return;
628 }
629
630 /*+
631 *
632 * Routine Description:
633 * Decode Probe Request
634 *
635 *
636 * Return Value:
637 * None.
638 *
639 -*/
640
641 void
642 vMgrDecodeProbeRequest(
643 PWLAN_FR_PROBEREQ pFrame
644 )
645 {
646 PWLAN_IE pItem;
647
648 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
649
650 // Information elements
651 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)));
652
653 while( ((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len) ) {
654
655 switch (pItem->byElementID) {
656 case WLAN_EID_SSID:
657 if (pFrame->pSSID == NULL)
658 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
659 break;
660
661 case WLAN_EID_SUPP_RATES:
662 if (pFrame->pSuppRates == NULL)
663 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
664 break;
665
666 case WLAN_EID_EXTSUPP_RATES:
667 if (pFrame->pExtSuppRates == NULL)
668 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
669 break;
670
671 default:
672 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in probereq\n", pItem->byElementID);
673 break;
674 }
675
676 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
677 }
678 return;
679 }
680
681
682 /*+
683 *
684 * Routine Description:
685 * Encode Probe Response
686 *
687 *
688 * Return Value:
689 * None.
690 *
691 -*/
692
693
694 void
695 vMgrEncodeProbeResponse(
696 PWLAN_FR_PROBERESP pFrame
697 )
698 {
699 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
700
701 // Fixed Fields
702 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
703 + WLAN_PROBERESP_OFF_TS);
704 pFrame->pwBeaconInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
705 + WLAN_PROBERESP_OFF_BCN_INT);
706 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
707 + WLAN_PROBERESP_OFF_CAP_INFO);
708
709 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO +
710 sizeof(*(pFrame->pwCapInfo));
711
712 return;
713 }
714
715
716
717 /*+
718 *
719 * Routine Description:
720 * Decode Probe Response
721 *
722 *
723 * Return Value:
724 * None.
725 *
726 -*/
727
728 void
729 vMgrDecodeProbeResponse(
730 PWLAN_FR_PROBERESP pFrame
731 )
732 {
733 PWLAN_IE pItem;
734
735
736 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
737
738 // Fixed Fields
739 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
740 + WLAN_PROBERESP_OFF_TS);
741 pFrame->pwBeaconInterval = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
742 + WLAN_PROBERESP_OFF_BCN_INT);
743 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
744 + WLAN_PROBERESP_OFF_CAP_INFO);
745
746 // Information elements
747 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
748 + WLAN_PROBERESP_OFF_SSID);
749
750 while( ((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len) ) {
751 switch (pItem->byElementID) {
752 case WLAN_EID_SSID:
753 if (pFrame->pSSID == NULL)
754 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
755 break;
756 case WLAN_EID_SUPP_RATES:
757 if (pFrame->pSuppRates == NULL)
758 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
759 break;
760 case WLAN_EID_FH_PARMS:
761 break;
762 case WLAN_EID_DS_PARMS:
763 if (pFrame->pDSParms == NULL)
764 pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
765 break;
766 case WLAN_EID_CF_PARMS:
767 if (pFrame->pCFParms == NULL)
768 pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
769 break;
770 case WLAN_EID_IBSS_PARMS:
771 if (pFrame->pIBSSParms == NULL)
772 pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
773 break;
774
775 case WLAN_EID_RSN:
776 if (pFrame->pRSN == NULL) {
777 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
778 }
779 break;
780 case WLAN_EID_RSN_WPA:
781 if (pFrame->pRSNWPA == NULL) {
782 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
783 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
784 }
785 break;
786 case WLAN_EID_ERP:
787 if (pFrame->pERP == NULL)
788 pFrame->pERP = (PWLAN_IE_ERP)pItem;
789 break;
790 case WLAN_EID_EXTSUPP_RATES:
791 if (pFrame->pExtSuppRates == NULL)
792 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
793 break;
794
795 case WLAN_EID_COUNTRY: //7
796 if (pFrame->pIE_Country == NULL)
797 pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
798 break;
799
800 case WLAN_EID_PWR_CONSTRAINT: //32
801 if (pFrame->pIE_PowerConstraint == NULL)
802 pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
803 break;
804
805 case WLAN_EID_CH_SWITCH: //37
806 if (pFrame->pIE_CHSW == NULL)
807 pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
808 break;
809
810 case WLAN_EID_QUIET: //40
811 if (pFrame->pIE_Quiet == NULL)
812 pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
813 break;
814
815 case WLAN_EID_IBSS_DFS:
816 if (pFrame->pIE_IBSSDFS == NULL)
817 pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
818 break;
819
820 default:
821 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in proberesp\n", pItem->byElementID);
822 break;
823 }
824
825 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
826 }
827 return;
828 }
829
830
831 /*+
832 *
833 * Routine Description:
834 * Encode Authentication frame
835 *
836 *
837 * Return Value:
838 * None.
839 *
840 -*/
841
842 void
843 vMgrEncodeAuthen(
844 PWLAN_FR_AUTHEN pFrame
845 )
846 {
847 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
848
849 // Fixed Fields
850 pFrame->pwAuthAlgorithm = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
851 + WLAN_AUTHEN_OFF_AUTH_ALG);
852 pFrame->pwAuthSequence = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
853 + WLAN_AUTHEN_OFF_AUTH_SEQ);
854 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
855 + WLAN_AUTHEN_OFF_STATUS);
856 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS + sizeof(*(pFrame->pwStatus));
857
858 return;
859 }
860
861
862 /*+
863 *
864 * Routine Description:
865 * Decode Authentication
866 *
867 *
868 * Return Value:
869 * None.
870 *
871 -*/
872
873 void
874 vMgrDecodeAuthen(
875 PWLAN_FR_AUTHEN pFrame
876 )
877 {
878 PWLAN_IE pItem;
879
880 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
881
882 // Fixed Fields
883 pFrame->pwAuthAlgorithm = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
884 + WLAN_AUTHEN_OFF_AUTH_ALG);
885 pFrame->pwAuthSequence = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
886 + WLAN_AUTHEN_OFF_AUTH_SEQ);
887 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
888 + WLAN_AUTHEN_OFF_STATUS);
889
890 // Information elements
891 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
892 + WLAN_AUTHEN_OFF_CHALLENGE);
893
894 if ((((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_CHALLENGE)) {
895 pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem;
896 }
897
898 return;
899 }
900
901
902 /*+
903 *
904 * Routine Description:
905 * Encode Authentication
906 *
907 *
908 * Return Value:
909 * None.
910 *
911 -*/
912
913 void
914 vMgrEncodeDeauthen(
915 PWLAN_FR_DEAUTHEN pFrame
916 )
917 {
918 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
919
920 // Fixed Fields
921 pFrame->pwReason = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
922 + WLAN_DEAUTHEN_OFF_REASON);
923 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON + sizeof(*(pFrame->pwReason));
924
925 return;
926 }
927
928
929 /*+
930 *
931 * Routine Description:
932 * Decode Deauthentication
933 *
934 *
935 * Return Value:
936 * None.
937 *
938 -*/
939
940 void
941 vMgrDecodeDeauthen(
942 PWLAN_FR_DEAUTHEN pFrame
943 )
944 {
945 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
946
947 // Fixed Fields
948 pFrame->pwReason = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
949 + WLAN_DEAUTHEN_OFF_REASON);
950
951 return;
952 }
953
954
955 /*+
956 *
957 * Routine Description: (AP)
958 * Encode Reassociation Response
959 *
960 *
961 * Return Value:
962 * None.
963 *
964 -*/
965
966 void
967 vMgrEncodeReassocResponse(
968 PWLAN_FR_REASSOCRESP pFrame
969 )
970 {
971 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
972
973 // Fixed Fields
974 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
975 + WLAN_REASSOCRESP_OFF_CAP_INFO);
976 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
977 + WLAN_REASSOCRESP_OFF_STATUS);
978 pFrame->pwAid = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
979 + WLAN_REASSOCRESP_OFF_AID);
980
981 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID + sizeof(*(pFrame->pwAid));
982
983 return;
984 }
985
986
987 /*+
988 *
989 * Routine Description:
990 * Decode Reassociation Response
991 *
992 *
993 * Return Value:
994 * None.
995 *
996 -*/
997
998
999 void
1000 vMgrDecodeReassocResponse(
1001 PWLAN_FR_REASSOCRESP pFrame
1002 )
1003 {
1004 PWLAN_IE pItem;
1005
1006 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
1007
1008 // Fixed Fields
1009 pFrame->pwCapInfo = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1010 + WLAN_REASSOCRESP_OFF_CAP_INFO);
1011 pFrame->pwStatus = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1012 + WLAN_REASSOCRESP_OFF_STATUS);
1013 pFrame->pwAid = (unsigned short *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1014 + WLAN_REASSOCRESP_OFF_AID);
1015
1016 //Information elements
1017 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1018 + WLAN_REASSOCRESP_OFF_SUPP_RATES);
1019
1020 pItem = (PWLAN_IE)(pFrame->pSuppRates);
1021 pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
1022
1023 if ((((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) &&
1024 (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
1025 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
1026 }
1027 return;
1028 }
Linux kernel - Deliverables
This page took 0.07127 seconds and 5 git commands to generate.