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See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * File: 80211mgr.c * * Purpose: Handles the 802.11 managment support functions * * Author: Lyndon Chen * * Date: May 8, 2002 * * Functions: * vMgrEncodeBeacon - Encode the Beacon frame * vMgrDecodeBeacon - Decode the Beacon frame * vMgrEncodeIBSSATIM - Encode the IBSS ATIM frame * vMgrDecodeIBSSATIM - Decode the IBSS ATIM frame * vMgrEncodeDisassociation - Encode the Disassociation frame * vMgrDecodeDisassociation - Decode the Disassociation frame * vMgrEncodeAssocRequest - Encode the Association request frame * vMgrDecodeAssocRequest - Decode the Association request frame * vMgrEncodeAssocResponse - Encode the Association response frame * vMgrDecodeAssocResponse - Decode the Association response frame * vMgrEncodeReAssocRequest - Encode the ReAssociation request frame * vMgrDecodeReAssocRequest - Decode the ReAssociation request frame * vMgrEncodeProbeRequest - Encode the Probe request frame * vMgrDecodeProbeRequest - Decode the Probe request frame * vMgrEncodeProbeResponse - Encode the Probe response frame * vMgrDecodeProbeResponse - Decode the Probe response frame * vMgrEncodeAuthen - Encode the Authentication frame * vMgrDecodeAuthen - Decode the Authentication frame * vMgrEncodeDeauthen - Encode the DeAuthentication frame * vMgrDecodeDeauthen - Decode the DeAuthentication frame * vMgrEncodeReassocResponse - Encode the Reassociation response frame * vMgrDecodeReassocResponse - Decode the Reassociation response frame * * Revision History: * */ #include "tmacro.h" #include "tether.h" #include "80211mgr.h" #include "80211hdr.h" #include "device.h" #include "wpa.h" /*--------------------- Static Definitions -------------------------*/ /*--------------------- Static Classes ----------------------------*/ /*--------------------- Static Variables --------------------------*/ static int msglevel =MSG_LEVEL_INFO; //static int msglevel =MSG_LEVEL_DEBUG; /*--------------------- Static Functions --------------------------*/ /*--------------------- Export Variables --------------------------*/ /*--------------------- Export Functions --------------------------*/ /*+ * * Routine Description: * Encode Beacon frame body offset * * Return Value: * None. * -*/ void vMgrEncodeBeacon( PWLAN_FR_BEACON pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_TS); pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_BCN_INT); pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_CAPINFO); pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID; return; } /*+ * * Routine Description: * Decode Beacon frame body offset * * * Return Value: * None. * -*/ void vMgrDecodeBeacon( PWLAN_FR_BEACON pFrame ) { PWLAN_IE pItem; pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pqwTimestamp = (PQWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_TS); pFrame->pwBeaconInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_BCN_INT); pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_BEACON_OFF_CAPINFO); // Information elements pItem = (PWLAN_IE)((PBYTE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))) + WLAN_BEACON_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: //pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem; 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_TIM: if (pFrame->pTIM == NULL) pFrame->pTIM = (PWLAN_IE_TIM)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 "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID); break; } pItem = (PWLAN_IE)(((PBYTE)pItem) + 2 + pItem->len); } return; } /*+ * * Routine Description: * Encode IBSS ATIM * * * Return Value: * None. * -*/ void vMgrEncodeIBSSATIM( PWLAN_FR_IBSSATIM pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; pFrame->len = WLAN_HDR_ADDR3_LEN; return; } /*+ * * Routine Description: * Decode IBSS ATIM * * * Return Value: * None. * -*/ void vMgrDecodeIBSSATIM( PWLAN_FR_IBSSATIM pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; return; } /*+ * * Routine Description: * Encode Disassociation * * * Return Value: * None. * -*/ void vMgrEncodeDisassociation( PWLAN_FR_DISASSOC pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_DISASSOC_OFF_REASON); pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason)); return; } /*+ * * Routine Description: * Decode Disassociation * * * Return Value: * None. * -*/ void vMgrDecodeDisassociation( PWLAN_FR_DISASSOC pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pwReason = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_DISASSOC_OFF_REASON); return; } /*+ * * Routine Description: * Encode Association Request * * * Return Value: * None. * -*/ void vMgrEncodeAssocRequest( PWLAN_FR_ASSOCREQ pFrame ) { pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_ASSOCREQ_OFF_CAP_INFO); pFrame->pwListenInterval = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + WLAN_ASSOCREQ_OFF_LISTEN_INT); pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval)); return; } /*+ * * Routine Description: (AP) * Decode Association Request * * * Return Value: * None. * -*/ void vMgrDecodeAssocRequest( PWLAN_FR_ASSOCREQ pFrame ) { PWLAN_IE pItem; pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; // Fixed Fields pFrame->pwCapInfo = (PWORD)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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; } |