2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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.
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.
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.
21 * Purpose: Handles the 802.11 management support 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
62 /*--------------------- Static Definitions -------------------------*/
66 /*--------------------- Static Classes ----------------------------*/
68 /*--------------------- Static Variables --------------------------*/
70 static int msglevel = MSG_LEVEL_INFO;
71 /*static int msglevel =MSG_LEVEL_DEBUG;*/
72 /*--------------------- Static Functions --------------------------*/
76 /*--------------------- Export Variables --------------------------*/
79 /*--------------------- Export Functions --------------------------*/
84 * Routine Description:
85 * Encode Beacon frame body offset
94 PWLAN_FR_BEACON pFrame
97 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
100 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
101 + WLAN_BEACON_OFF_TS);
102 pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
103 + WLAN_BEACON_OFF_BCN_INT);
104 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
105 + WLAN_BEACON_OFF_CAPINFO);
107 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID;
114 * Routine Description:
115 * Decode Beacon frame body offset
126 PWLAN_FR_BEACON pFrame
131 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
134 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
135 + WLAN_BEACON_OFF_TS);
136 pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
137 + WLAN_BEACON_OFF_BCN_INT);
138 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
139 + WLAN_BEACON_OFF_CAPINFO);
141 /* Information elements */
142 pItem = (PWLAN_IE)((PBYTE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)))
143 + WLAN_BEACON_OFF_SSID);
144 while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
146 switch (pItem->byElementID) {
148 if (pFrame->pSSID == NULL)
149 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
151 case WLAN_EID_SUPP_RATES:
152 if (pFrame->pSuppRates == NULL)
153 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
155 case WLAN_EID_FH_PARMS:
156 /* pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem; */
158 case WLAN_EID_DS_PARMS:
159 if (pFrame->pDSParms == NULL)
160 pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
162 case WLAN_EID_CF_PARMS:
163 if (pFrame->pCFParms == NULL)
164 pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
166 case WLAN_EID_IBSS_PARMS:
167 if (pFrame->pIBSSParms == NULL)
168 pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
171 if (pFrame->pTIM == NULL)
172 pFrame->pTIM = (PWLAN_IE_TIM)pItem;
176 if (pFrame->pRSN == NULL)
177 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
179 case WLAN_EID_RSN_WPA:
180 if (pFrame->pRSNWPA == NULL) {
181 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
182 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
187 if (pFrame->pERP == NULL)
188 pFrame->pERP = (PWLAN_IE_ERP)pItem;
190 case WLAN_EID_EXTSUPP_RATES:
191 if (pFrame->pExtSuppRates == NULL)
192 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
195 case WLAN_EID_COUNTRY: /* 7 */
196 if (pFrame->pIE_Country == NULL)
197 pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
200 case WLAN_EID_PWR_CONSTRAINT: /* 32 */
201 if (pFrame->pIE_PowerConstraint == NULL)
202 pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
205 case WLAN_EID_CH_SWITCH: /* 37 */
206 if (pFrame->pIE_CHSW == NULL)
207 pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
210 case WLAN_EID_QUIET: /* 40 */
211 if (pFrame->pIE_Quiet == NULL)
212 pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
215 case WLAN_EID_IBSS_DFS:
216 if (pFrame->pIE_IBSSDFS == NULL)
217 pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
221 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID);
225 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
234 * Routine Description:
246 PWLAN_FR_IBSSATIM pFrame
249 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
250 pFrame->len = WLAN_HDR_ADDR3_LEN;
258 * Routine Description:
269 PWLAN_FR_IBSSATIM pFrame
272 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
280 * Routine Description:
281 * Encode Disassociation
290 vMgrEncodeDisassociation(
291 PWLAN_FR_DISASSOC pFrame
294 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
298 pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
299 + WLAN_DISASSOC_OFF_REASON);
300 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason));
308 * Routine Description:
309 * Decode Disassociation
318 vMgrDecodeDisassociation(
319 PWLAN_FR_DISASSOC pFrame
322 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
325 pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
326 + WLAN_DISASSOC_OFF_REASON);
333 * Routine Description:
334 * Encode Association Request
344 vMgrEncodeAssocRequest(
345 PWLAN_FR_ASSOCREQ pFrame
348 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
350 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
351 + WLAN_ASSOCREQ_OFF_CAP_INFO);
352 pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
353 + WLAN_ASSOCREQ_OFF_LISTEN_INT);
354 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval));
361 * Routine Description: (AP)
362 * Decode Association Request
371 vMgrDecodeAssocRequest(
372 PWLAN_FR_ASSOCREQ pFrame
377 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
379 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
380 + WLAN_ASSOCREQ_OFF_CAP_INFO);
381 pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
382 + WLAN_ASSOCREQ_OFF_LISTEN_INT);
384 /* Information elements */
385 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
386 + WLAN_ASSOCREQ_OFF_SSID);
388 while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
389 switch (pItem->byElementID) {
391 if (pFrame->pSSID == NULL)
392 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
394 case WLAN_EID_SUPP_RATES:
395 if (pFrame->pSuppRates == NULL)
396 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
400 if (pFrame->pRSN == NULL)
401 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
403 case WLAN_EID_RSN_WPA:
404 if (pFrame->pRSNWPA == NULL) {
405 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
406 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
409 case WLAN_EID_EXTSUPP_RATES:
410 if (pFrame->pExtSuppRates == NULL)
411 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
415 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n",
419 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
426 * Routine Description: (AP)
427 * Encode Association Response
436 vMgrEncodeAssocResponse(
437 PWLAN_FR_ASSOCRESP pFrame
440 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
443 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
444 + WLAN_ASSOCRESP_OFF_CAP_INFO);
445 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
446 + WLAN_ASSOCRESP_OFF_STATUS);
447 pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
448 + WLAN_ASSOCRESP_OFF_AID);
449 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID
450 + sizeof(*(pFrame->pwAid));
458 * Routine Description:
459 * Decode Association Response
468 vMgrDecodeAssocResponse(
469 PWLAN_FR_ASSOCRESP pFrame
474 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
477 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
478 + WLAN_ASSOCRESP_OFF_CAP_INFO);
479 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
480 + WLAN_ASSOCRESP_OFF_STATUS);
481 pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
482 + WLAN_ASSOCRESP_OFF_AID);
484 /* Information elements */
485 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
486 + WLAN_ASSOCRESP_OFF_SUPP_RATES);
488 pItem = (PWLAN_IE)(pFrame->pSuppRates);
489 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
491 if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
492 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
493 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pFrame->pExtSuppRates=[%p].\n", pItem);
495 pFrame->pExtSuppRates = NULL;
503 * Routine Description:
504 * Encode Reassociation Request
513 vMgrEncodeReassocRequest(
514 PWLAN_FR_REASSOCREQ pFrame
517 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
520 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
521 + WLAN_REASSOCREQ_OFF_CAP_INFO);
522 pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
523 + WLAN_REASSOCREQ_OFF_LISTEN_INT);
524 pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
525 + WLAN_REASSOCREQ_OFF_CURR_AP);
526 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP + sizeof(*(pFrame->pAddrCurrAP));
534 * Routine Description: (AP)
535 * Decode Reassociation Request
545 vMgrDecodeReassocRequest(
546 PWLAN_FR_REASSOCREQ pFrame
550 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
553 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
554 + WLAN_REASSOCREQ_OFF_CAP_INFO);
555 pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
556 + WLAN_REASSOCREQ_OFF_LISTEN_INT);
557 pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
558 + WLAN_REASSOCREQ_OFF_CURR_AP);
560 /* Information elements */
561 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
562 + WLAN_REASSOCREQ_OFF_SSID);
564 while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
566 switch (pItem->byElementID) {
568 if (pFrame->pSSID == NULL)
569 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
571 case WLAN_EID_SUPP_RATES:
572 if (pFrame->pSuppRates == NULL)
573 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
577 if (pFrame->pRSN == NULL)
578 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
580 case WLAN_EID_RSN_WPA:
581 if (pFrame->pRSNWPA == NULL) {
582 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
583 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
587 case WLAN_EID_EXTSUPP_RATES:
588 if (pFrame->pExtSuppRates == NULL)
589 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
592 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n",
596 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
605 * Routine Description:
606 * Encode Probe Request
616 vMgrEncodeProbeRequest(
617 PWLAN_FR_PROBEREQ pFrame
620 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
621 pFrame->len = WLAN_HDR_ADDR3_LEN;
627 * Routine Description:
628 * Decode Probe Request
637 vMgrDecodeProbeRequest(
638 PWLAN_FR_PROBEREQ pFrame
643 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
645 /* Information elements */
646 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)));
648 while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
650 switch (pItem->byElementID) {
652 if (pFrame->pSSID == NULL)
653 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
656 case WLAN_EID_SUPP_RATES:
657 if (pFrame->pSuppRates == NULL)
658 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
661 case WLAN_EID_EXTSUPP_RATES:
662 if (pFrame->pExtSuppRates == NULL)
663 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
667 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in probereq\n", pItem->byElementID);
671 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
679 * Routine Description:
680 * Encode Probe Response
690 vMgrEncodeProbeResponse(
691 PWLAN_FR_PROBERESP pFrame
694 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
697 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
698 + WLAN_PROBERESP_OFF_TS);
699 pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
700 + WLAN_PROBERESP_OFF_BCN_INT);
701 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
702 + WLAN_PROBERESP_OFF_CAP_INFO);
704 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO +
705 sizeof(*(pFrame->pwCapInfo));
714 * Routine Description:
715 * Decode Probe Response
724 vMgrDecodeProbeResponse(
725 PWLAN_FR_PROBERESP pFrame
731 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
734 pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
735 + WLAN_PROBERESP_OFF_TS);
736 pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
737 + WLAN_PROBERESP_OFF_BCN_INT);
738 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
739 + WLAN_PROBERESP_OFF_CAP_INFO);
741 /* Information elements */
742 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
743 + WLAN_PROBERESP_OFF_SSID);
745 while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
746 switch (pItem->byElementID) {
748 if (pFrame->pSSID == NULL)
749 pFrame->pSSID = (PWLAN_IE_SSID)pItem;
751 case WLAN_EID_SUPP_RATES:
752 if (pFrame->pSuppRates == NULL)
753 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
755 case WLAN_EID_FH_PARMS:
757 case WLAN_EID_DS_PARMS:
758 if (pFrame->pDSParms == NULL)
759 pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
761 case WLAN_EID_CF_PARMS:
762 if (pFrame->pCFParms == NULL)
763 pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
765 case WLAN_EID_IBSS_PARMS:
766 if (pFrame->pIBSSParms == NULL)
767 pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
771 if (pFrame->pRSN == NULL)
772 pFrame->pRSN = (PWLAN_IE_RSN)pItem;
774 case WLAN_EID_RSN_WPA:
775 if (pFrame->pRSNWPA == NULL) {
776 if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
777 pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
781 if (pFrame->pERP == NULL)
782 pFrame->pERP = (PWLAN_IE_ERP)pItem;
784 case WLAN_EID_EXTSUPP_RATES:
785 if (pFrame->pExtSuppRates == NULL)
786 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
789 case WLAN_EID_COUNTRY: /* 7 */
790 if (pFrame->pIE_Country == NULL)
791 pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
794 case WLAN_EID_PWR_CONSTRAINT: /* 32 */
795 if (pFrame->pIE_PowerConstraint == NULL)
796 pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
799 case WLAN_EID_CH_SWITCH: /* 37 */
800 if (pFrame->pIE_CHSW == NULL)
801 pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
804 case WLAN_EID_QUIET: /* 40 */
805 if (pFrame->pIE_Quiet == NULL)
806 pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
809 case WLAN_EID_IBSS_DFS:
810 if (pFrame->pIE_IBSSDFS == NULL)
811 pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
815 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in proberesp\n", pItem->byElementID);
819 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
827 * Routine Description:
828 * Encode Authentication frame
838 PWLAN_FR_AUTHEN pFrame
841 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
844 pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
845 + WLAN_AUTHEN_OFF_AUTH_ALG);
846 pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
847 + WLAN_AUTHEN_OFF_AUTH_SEQ);
848 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
849 + WLAN_AUTHEN_OFF_STATUS);
850 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS + sizeof(*(pFrame->pwStatus));
857 * Routine Description:
858 * Decode Authentication
868 PWLAN_FR_AUTHEN pFrame
873 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
876 pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
877 + WLAN_AUTHEN_OFF_AUTH_ALG);
878 pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
879 + WLAN_AUTHEN_OFF_AUTH_SEQ);
880 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
881 + WLAN_AUTHEN_OFF_STATUS);
883 /* Information elements */
884 pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
885 + WLAN_AUTHEN_OFF_CHALLENGE);
887 if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_CHALLENGE))
888 pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem;
895 * Routine Description:
896 * Encode Authentication
906 PWLAN_FR_DEAUTHEN pFrame
909 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
912 pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
913 + WLAN_DEAUTHEN_OFF_REASON);
914 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON + sizeof(*(pFrame->pwReason));
921 * Routine Description:
922 * Decode Deauthentication
932 PWLAN_FR_DEAUTHEN pFrame
935 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
938 pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
939 + WLAN_DEAUTHEN_OFF_REASON);
946 * Routine Description: (AP)
947 * Encode Reassociation Response
956 vMgrEncodeReassocResponse(
957 PWLAN_FR_REASSOCRESP pFrame
960 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
963 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
964 + WLAN_REASSOCRESP_OFF_CAP_INFO);
965 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
966 + WLAN_REASSOCRESP_OFF_STATUS);
967 pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
968 + WLAN_REASSOCRESP_OFF_AID);
970 pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID + sizeof(*(pFrame->pwAid));
977 * Routine Description:
978 * Decode Reassociation Response
988 vMgrDecodeReassocResponse(
989 PWLAN_FR_REASSOCRESP pFrame
994 pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
997 pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
998 + WLAN_REASSOCRESP_OFF_CAP_INFO);
999 pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1000 + WLAN_REASSOCRESP_OFF_STATUS);
1001 pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1002 + WLAN_REASSOCRESP_OFF_AID);
1004 /* Information elements */
1005 pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
1006 + WLAN_REASSOCRESP_OFF_SUPP_RATES);
1008 pItem = (PWLAN_IE)(pFrame->pSuppRates);
1009 pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
1011 if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES))
1012 pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;