2009-06-13 13:38:31 +02:00
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/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* File: 80211mgr.c
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*
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2009-07-30 19:30:32 +02:00
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* Purpose: Handles the 802.11 managment support functions
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2009-06-13 13:38:31 +02:00
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*
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* Author: Lyndon Chen
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*
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* Date: May 8, 2002
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*
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* Functions:
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* vMgrEncodeBeacon - Encode the Beacon frame
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* vMgrDecodeBeacon - Decode the Beacon frame
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* vMgrEncodeIBSSATIM - Encode the IBSS ATIM frame
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* vMgrDecodeIBSSATIM - Decode the IBSS ATIM frame
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* vMgrEncodeDisassociation - Encode the Disassociation frame
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* vMgrDecodeDisassociation - Decode the Disassociation frame
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* vMgrEncodeAssocRequest - Encode the Association request frame
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* vMgrDecodeAssocRequest - Decode the Association request frame
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* vMgrEncodeAssocResponse - Encode the Association response frame
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* vMgrDecodeAssocResponse - Decode the Association response frame
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* vMgrEncodeReAssocRequest - Encode the ReAssociation request frame
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* vMgrDecodeReAssocRequest - Decode the ReAssociation request frame
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* vMgrEncodeProbeRequest - Encode the Probe request frame
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* vMgrDecodeProbeRequest - Decode the Probe request frame
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* vMgrEncodeProbeResponse - Encode the Probe response frame
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* vMgrDecodeProbeResponse - Decode the Probe response frame
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* vMgrEncodeAuthen - Encode the Authentication frame
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* vMgrDecodeAuthen - Decode the Authentication frame
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* vMgrEncodeDeauthen - Encode the DeAuthentication frame
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* vMgrDecodeDeauthen - Decode the DeAuthentication frame
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* vMgrEncodeReassocResponse - Encode the Reassociation response frame
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* vMgrDecodeReassocResponse - Decode the Reassociation response frame
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*
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* Revision History:
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*
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*/
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#include "tmacro.h"
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#include "tether.h"
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#include "80211mgr.h"
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#include "80211hdr.h"
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#include "device.h"
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#include "wpa.h"
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/*--------------------- Static Definitions -------------------------*/
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/*--------------------- Static Classes ----------------------------*/
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/*--------------------- Static Variables --------------------------*/
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static int msglevel =MSG_LEVEL_INFO;
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//static int msglevel =MSG_LEVEL_DEBUG;
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/*--------------------- Static Functions --------------------------*/
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/*--------------------- Export Variables --------------------------*/
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/*--------------------- Export Functions --------------------------*/
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/*+
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*
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* Routine Description:
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* Encode Beacon frame body offset
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrEncodeBeacon(
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IN PWLAN_FR_BEACON pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_TS);
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pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_BCN_INT);
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pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_CAPINFO);
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pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID;
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return;
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}
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/*+
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*
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* Routine Description:
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* Decode Beacon frame body offset
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrDecodeBeacon(
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IN PWLAN_FR_BEACON pFrame
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)
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{
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PWLAN_IE pItem;
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_TS);
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pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_BCN_INT);
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pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_BEACON_OFF_CAPINFO);
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// Information elements
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pItem = (PWLAN_IE)((PBYTE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)))
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+ WLAN_BEACON_OFF_SSID);
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while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ){
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switch (pItem->byElementID) {
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case WLAN_EID_SSID:
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if (pFrame->pSSID == NULL)
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pFrame->pSSID = (PWLAN_IE_SSID)pItem;
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break;
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case WLAN_EID_SUPP_RATES:
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if (pFrame->pSuppRates == NULL)
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pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
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break;
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case WLAN_EID_FH_PARMS:
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//pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem;
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break;
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case WLAN_EID_DS_PARMS:
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if (pFrame->pDSParms == NULL)
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pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
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break;
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case WLAN_EID_CF_PARMS:
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if (pFrame->pCFParms == NULL)
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pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
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break;
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case WLAN_EID_IBSS_PARMS:
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if (pFrame->pIBSSParms == NULL)
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pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
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break;
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case WLAN_EID_TIM:
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if (pFrame->pTIM == NULL)
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pFrame->pTIM = (PWLAN_IE_TIM)pItem;
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break;
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case WLAN_EID_RSN:
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if (pFrame->pRSN == NULL) {
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pFrame->pRSN = (PWLAN_IE_RSN)pItem;
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}
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break;
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case WLAN_EID_RSN_WPA:
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if (pFrame->pRSNWPA == NULL) {
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if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
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pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
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}
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break;
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case WLAN_EID_ERP:
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if (pFrame->pERP == NULL)
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pFrame->pERP = (PWLAN_IE_ERP)pItem;
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break;
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case WLAN_EID_EXTSUPP_RATES:
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if (pFrame->pExtSuppRates == NULL)
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pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
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break;
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case WLAN_EID_COUNTRY: //7
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if (pFrame->pIE_Country == NULL)
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pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
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break;
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case WLAN_EID_PWR_CONSTRAINT: //32
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if (pFrame->pIE_PowerConstraint == NULL)
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pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
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break;
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case WLAN_EID_CH_SWITCH: //37
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if (pFrame->pIE_CHSW == NULL)
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pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
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break;
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case WLAN_EID_QUIET: //40
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if (pFrame->pIE_Quiet == NULL)
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pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
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break;
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case WLAN_EID_IBSS_DFS:
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if (pFrame->pIE_IBSSDFS == NULL)
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pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
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break;
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default:
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID);
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break;
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}
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pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
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}
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return;
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}
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/*+
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*
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* Routine Description:
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* Encode IBSS ATIM
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrEncodeIBSSATIM(
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IN PWLAN_FR_IBSSATIM pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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pFrame->len = WLAN_HDR_ADDR3_LEN;
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return;
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}
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/*+
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*
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* Routine Description:
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* Decode IBSS ATIM
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrDecodeIBSSATIM(
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IN PWLAN_FR_IBSSATIM pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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return;
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}
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/*+
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*
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* Routine Description:
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* Encode Disassociation
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrEncodeDisassociation(
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IN PWLAN_FR_DISASSOC pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_DISASSOC_OFF_REASON);
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pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason));
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return;
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}
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/*+
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*
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* Routine Description:
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* Decode Disassociation
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrDecodeDisassociation(
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IN PWLAN_FR_DISASSOC pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_DISASSOC_OFF_REASON);
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return;
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}
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/*+
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*
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* Routine Description:
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* Encode Association Request
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrEncodeAssocRequest(
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IN PWLAN_FR_ASSOCREQ pFrame
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)
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{
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_ASSOCREQ_OFF_CAP_INFO);
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pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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+ WLAN_ASSOCREQ_OFF_LISTEN_INT);
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pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval));
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return;
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}
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/*+
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*
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* Routine Description: (AP)
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* Decode Association Request
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*
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*
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* Return Value:
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* None.
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*
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-*/
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VOID
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vMgrDecodeAssocRequest(
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IN PWLAN_FR_ASSOCREQ pFrame
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)
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{
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PWLAN_IE pItem;
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pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
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// Fixed Fields
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pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
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|
+ WLAN_ASSOCREQ_OFF_CAP_INFO);
|
|
|
|
pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCREQ_OFF_LISTEN_INT);
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCREQ_OFF_SSID);
|
|
|
|
|
|
|
|
while (((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
|
|
|
|
switch (pItem->byElementID){
|
|
|
|
case WLAN_EID_SSID:
|
|
|
|
if (pFrame->pSSID == NULL)
|
|
|
|
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_SUPP_RATES:
|
|
|
|
if (pFrame->pSuppRates == NULL)
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_RSN:
|
|
|
|
if (pFrame->pRSN == NULL) {
|
|
|
|
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WLAN_EID_RSN_WPA:
|
|
|
|
if (pFrame->pRSNWPA == NULL) {
|
|
|
|
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
|
|
|
|
pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WLAN_EID_EXTSUPP_RATES:
|
|
|
|
if (pFrame->pExtSuppRates == NULL)
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n",
|
|
|
|
pItem->byElementID);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description: (AP)
|
|
|
|
* Encode Association Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeAssocResponse(
|
|
|
|
IN PWLAN_FR_ASSOCRESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_CAP_INFO);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_STATUS);
|
|
|
|
pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_AID);
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID
|
|
|
|
+ sizeof(*(pFrame->pwAid));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Association Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeAssocResponse(
|
|
|
|
IN PWLAN_FR_ASSOCRESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_CAP_INFO);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_STATUS);
|
|
|
|
pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_AID);
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_ASSOCRESP_OFF_SUPP_RATES);
|
|
|
|
|
|
|
|
pItem = (PWLAN_IE)(pFrame->pSuppRates);
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
|
|
|
|
if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pFrame->pExtSuppRates=[%p].\n", pItem);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
pFrame->pExtSuppRates = NULL;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Encode Reassociation Request
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeReassocRequest(
|
|
|
|
IN PWLAN_FR_REASSOCREQ pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_CAP_INFO);
|
|
|
|
pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_LISTEN_INT);
|
|
|
|
pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_CURR_AP);
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP + sizeof(*(pFrame->pAddrCurrAP));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description: (AP)
|
|
|
|
* Decode Reassociation Request
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeReassocRequest(
|
|
|
|
IN PWLAN_FR_REASSOCREQ pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_CAP_INFO);
|
|
|
|
pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_LISTEN_INT);
|
|
|
|
pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_CURR_AP);
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCREQ_OFF_SSID);
|
|
|
|
|
|
|
|
while(((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) {
|
|
|
|
|
|
|
|
switch (pItem->byElementID){
|
|
|
|
case WLAN_EID_SSID:
|
|
|
|
if (pFrame->pSSID == NULL)
|
|
|
|
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_SUPP_RATES:
|
|
|
|
if (pFrame->pSuppRates == NULL)
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_RSN:
|
|
|
|
if (pFrame->pRSN == NULL) {
|
|
|
|
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WLAN_EID_RSN_WPA:
|
|
|
|
if (pFrame->pRSNWPA == NULL) {
|
|
|
|
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
|
|
|
|
pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_EXTSUPP_RATES:
|
|
|
|
if (pFrame->pExtSuppRates == NULL)
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n",
|
|
|
|
pItem->byElementID);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Encode Probe Request
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeProbeRequest(
|
|
|
|
IN PWLAN_FR_PROBEREQ pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Probe Request
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeProbeRequest(
|
|
|
|
IN PWLAN_FR_PROBEREQ pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)));
|
|
|
|
|
|
|
|
while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ) {
|
|
|
|
|
|
|
|
switch (pItem->byElementID) {
|
|
|
|
case WLAN_EID_SSID:
|
|
|
|
if (pFrame->pSSID == NULL)
|
|
|
|
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_SUPP_RATES:
|
|
|
|
if (pFrame->pSuppRates == NULL)
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_EXTSUPP_RATES:
|
|
|
|
if (pFrame->pExtSuppRates == NULL)
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in probereq\n", pItem->byElementID);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Encode Probe Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeProbeResponse(
|
|
|
|
IN PWLAN_FR_PROBERESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_TS);
|
|
|
|
pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_BCN_INT);
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_CAP_INFO);
|
|
|
|
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO +
|
|
|
|
sizeof(*(pFrame->pwCapInfo));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Probe Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeProbeResponse(
|
|
|
|
IN PWLAN_FR_PROBERESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
|
|
|
|
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_TS);
|
|
|
|
pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_BCN_INT);
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_CAP_INFO);
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_PROBERESP_OFF_SSID);
|
|
|
|
|
|
|
|
while( ((PBYTE)pItem) < (pFrame->pBuf + pFrame->len) ) {
|
|
|
|
switch (pItem->byElementID) {
|
|
|
|
case WLAN_EID_SSID:
|
|
|
|
if (pFrame->pSSID == NULL)
|
|
|
|
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_SUPP_RATES:
|
|
|
|
if (pFrame->pSuppRates == NULL)
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_FH_PARMS:
|
|
|
|
break;
|
|
|
|
case WLAN_EID_DS_PARMS:
|
|
|
|
if (pFrame->pDSParms == NULL)
|
|
|
|
pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_CF_PARMS:
|
|
|
|
if (pFrame->pCFParms == NULL)
|
|
|
|
pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_IBSS_PARMS:
|
|
|
|
if (pFrame->pIBSSParms == NULL)
|
|
|
|
pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_RSN:
|
|
|
|
if (pFrame->pRSN == NULL) {
|
|
|
|
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WLAN_EID_RSN_WPA:
|
|
|
|
if (pFrame->pRSNWPA == NULL) {
|
|
|
|
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == TRUE)
|
|
|
|
pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WLAN_EID_ERP:
|
|
|
|
if (pFrame->pERP == NULL)
|
|
|
|
pFrame->pERP = (PWLAN_IE_ERP)pItem;
|
|
|
|
break;
|
|
|
|
case WLAN_EID_EXTSUPP_RATES:
|
|
|
|
if (pFrame->pExtSuppRates == NULL)
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_COUNTRY: //7
|
|
|
|
if (pFrame->pIE_Country == NULL)
|
|
|
|
pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_PWR_CONSTRAINT: //32
|
|
|
|
if (pFrame->pIE_PowerConstraint == NULL)
|
|
|
|
pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_CH_SWITCH: //37
|
|
|
|
if (pFrame->pIE_CHSW == NULL)
|
|
|
|
pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_QUIET: //40
|
|
|
|
if (pFrame->pIE_Quiet == NULL)
|
|
|
|
pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case WLAN_EID_IBSS_DFS:
|
|
|
|
if (pFrame->pIE_IBSSDFS == NULL)
|
|
|
|
pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in proberesp\n", pItem->byElementID);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Encode Authentication frame
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeAuthen(
|
|
|
|
IN PWLAN_FR_AUTHEN pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_AUTH_ALG);
|
|
|
|
pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_AUTH_SEQ);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_STATUS);
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS + sizeof(*(pFrame->pwStatus));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Authentication
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeAuthen(
|
|
|
|
IN PWLAN_FR_AUTHEN pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwAuthAlgorithm = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_AUTH_ALG);
|
|
|
|
pFrame->pwAuthSequence = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_AUTH_SEQ);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_STATUS);
|
|
|
|
|
|
|
|
// Information elements
|
|
|
|
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_AUTHEN_OFF_CHALLENGE);
|
|
|
|
|
|
|
|
if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_CHALLENGE)) {
|
|
|
|
pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem;
|
|
|
|
}
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Encode Authentication
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeDeauthen(
|
|
|
|
IN PWLAN_FR_DEAUTHEN pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_DEAUTHEN_OFF_REASON);
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON + sizeof(*(pFrame->pwReason));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Deauthentication
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeDeauthen(
|
|
|
|
IN PWLAN_FR_DEAUTHEN pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_DEAUTHEN_OFF_REASON);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description: (AP)
|
|
|
|
* Encode Reassociation Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrEncodeReassocResponse(
|
|
|
|
IN PWLAN_FR_REASSOCRESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_CAP_INFO);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_STATUS);
|
|
|
|
pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_AID);
|
|
|
|
|
|
|
|
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID + sizeof(*(pFrame->pwAid));
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*+
|
|
|
|
*
|
|
|
|
* Routine Description:
|
|
|
|
* Decode Reassociation Response
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Return Value:
|
|
|
|
* None.
|
|
|
|
*
|
|
|
|
-*/
|
|
|
|
|
|
|
|
|
|
|
|
VOID
|
|
|
|
vMgrDecodeReassocResponse(
|
|
|
|
IN PWLAN_FR_REASSOCRESP pFrame
|
|
|
|
)
|
|
|
|
{
|
|
|
|
PWLAN_IE pItem;
|
|
|
|
|
|
|
|
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
|
|
|
|
|
|
|
|
// Fixed Fields
|
|
|
|
pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_CAP_INFO);
|
|
|
|
pFrame->pwStatus = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_STATUS);
|
|
|
|
pFrame->pwAid = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_AID);
|
|
|
|
|
|
|
|
//Information elements
|
|
|
|
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
|
|
|
|
+ WLAN_REASSOCRESP_OFF_SUPP_RATES);
|
|
|
|
|
|
|
|
pItem = (PWLAN_IE)(pFrame->pSuppRates);
|
|
|
|
pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len);
|
|
|
|
|
|
|
|
if ((((PBYTE)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
|
|
|
|
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|