| /* |
| * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| /* |
| * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * Airgo Networks, Inc proprietary. All rights reserved. |
| * This file limUtils.cc contains the utility functions |
| * LIM uses. |
| * Author: Chandra Modumudi |
| * Date: 02/13/02 |
| * History:- |
| * Date Modified by Modification Information |
| * -------------------------------------------------------------------- |
| */ |
| |
| #include "aniGlobal.h" |
| #include "wniApi.h" |
| |
| #include "sirCommon.h" |
| #include "wniCfgSta.h" |
| #include "cfgApi.h" |
| |
| |
| #include "utilsApi.h" |
| #include "limUtils.h" |
| #include "limSecurityUtils.h" |
| #include "limSession.h" |
| |
| |
| #define LIM_SEED_LENGTH 16 |
| |
| /** |
| * limIsAuthAlgoSupported() |
| * |
| *FUNCTION: |
| * This function is called in various places within LIM code |
| * to determine whether passed authentication algorithm is enabled |
| * or not |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param authType Indicates MAC based authentication type |
| * (eSIR_OPEN_SYSTEM or eSIR_SHARED_KEY) |
| * If Shared Key authentication to be used, |
| * 'Privacy Option Implemented' flag is also |
| * checked. |
| * |
| * @return true if passed authType is enabled else false |
| */ |
| tANI_U8 |
| limIsAuthAlgoSupported(tpAniSirGlobal pMac, tAniAuthType authType, tpPESession psessionEntry) |
| { |
| tANI_U32 algoEnable, privacyOptImp; |
| |
| if (authType == eSIR_OPEN_SYSTEM) |
| { |
| |
| if(psessionEntry->limSystemRole == eLIM_AP_ROLE) |
| { |
| if((psessionEntry->authType == eSIR_OPEN_SYSTEM) || (psessionEntry->authType == eSIR_AUTO_SWITCH)) |
| return true; |
| else |
| return false; |
| } |
| |
| if (wlan_cfgGetInt(pMac, WNI_CFG_OPEN_SYSTEM_AUTH_ENABLE, |
| &algoEnable) != eSIR_SUCCESS) |
| { |
| /** |
| * Could not get AuthAlgo1 Enable value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGE, |
| FL("could not retrieve AuthAlgo1 Enable value")); |
| |
| return false; |
| } |
| else |
| return ( (algoEnable > 0 ? true : false) ); |
| } |
| else |
| { |
| |
| if(psessionEntry->limSystemRole == eLIM_AP_ROLE) |
| { |
| if((psessionEntry->authType == eSIR_SHARED_KEY) || (psessionEntry->authType == eSIR_AUTO_SWITCH)) |
| algoEnable = true; |
| else |
| algoEnable = false; |
| |
| } |
| else |
| |
| if (wlan_cfgGetInt(pMac, WNI_CFG_SHARED_KEY_AUTH_ENABLE, |
| &algoEnable) != eSIR_SUCCESS) |
| { |
| /** |
| * Could not get AuthAlgo2 Enable value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGE, |
| FL("could not retrieve AuthAlgo2 Enable value")); |
| |
| return false; |
| } |
| |
| if(psessionEntry->limSystemRole == eLIM_AP_ROLE) |
| { |
| privacyOptImp = psessionEntry->privacy; |
| } |
| else |
| |
| if (wlan_cfgGetInt(pMac, WNI_CFG_PRIVACY_ENABLED, |
| &privacyOptImp) != eSIR_SUCCESS) |
| { |
| /** |
| * Could not get PrivacyOptionImplemented value |
| * from CFG. Log error. |
| */ |
| limLog(pMac, LOGE, |
| FL("could not retrieve PrivacyOptImplemented value")); |
| |
| return false; |
| } |
| return (algoEnable && privacyOptImp); |
| } |
| } /****** end limIsAuthAlgoSupported() ******/ |
| |
| |
| |
| /** |
| * limInitPreAuthList |
| * |
| *FUNCTION: |
| * This function is called while starting a BSS at AP |
| * to initialize MAC authenticated STA list. This may also be called |
| * while joining/starting an IBSS if MAC authentication is allowed |
| * in IBSS mode. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @return None |
| */ |
| |
| void |
| limInitPreAuthList(tpAniSirGlobal pMac) |
| { |
| pMac->lim.pLimPreAuthList = NULL; |
| |
| } /*** end limInitPreAuthList() ***/ |
| |
| |
| |
| /** |
| * limDeletePreAuthList |
| * |
| *FUNCTION: |
| * This function is called cleanup Pre-auth list either on |
| * AP or on STA when moving from one persona to other. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @return None |
| */ |
| |
| void |
| limDeletePreAuthList(tpAniSirGlobal pMac) |
| { |
| struct tLimPreAuthNode *pCurrNode, *pTempNode; |
| |
| pCurrNode = pTempNode = pMac->lim.pLimPreAuthList; |
| while (pCurrNode != NULL) |
| { |
| pTempNode = pCurrNode->next; |
| |
| PELOG1(limLog(pMac, LOG1, FL("=====> limDeletePreAuthList "));) |
| limReleasePreAuthNode(pMac, pCurrNode); |
| |
| pCurrNode = pTempNode; |
| } |
| pMac->lim.pLimPreAuthList = NULL; |
| } /*** end limDeletePreAuthList() ***/ |
| |
| |
| |
| /** |
| * limSearchPreAuthList |
| * |
| *FUNCTION: |
| * This function is called when Authentication frame is received |
| * by AP (or at a STA in IBSS supporting MAC based authentication) |
| * to search if a STA is in the middle of MAC Authentication |
| * transaction sequence. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param macAddr - MAC address of the STA that sent |
| * Authentication frame. |
| * |
| * @return Pointer to pre-auth node if found, else NULL |
| */ |
| |
| struct tLimPreAuthNode * |
| limSearchPreAuthList(tpAniSirGlobal pMac, tSirMacAddr macAddr) |
| { |
| struct tLimPreAuthNode *pTempNode = pMac->lim.pLimPreAuthList; |
| |
| while (pTempNode != NULL) |
| { |
| if (vos_mem_compare( (tANI_U8 *) macAddr, |
| (tANI_U8 *) &pTempNode->peerMacAddr, |
| sizeof(tSirMacAddr)) ) |
| break; |
| |
| pTempNode = pTempNode->next; |
| } |
| |
| return pTempNode; |
| } /*** end limSearchPreAuthList() ***/ |
| |
| |
| |
| /** |
| * limAddPreAuthNode |
| * |
| *FUNCTION: |
| * This function is called at AP while sending Authentication |
| * frame2. |
| * This may also be called on a STA in IBSS if MAC authentication is |
| * allowed in IBSS mode. |
| * |
| *LOGIC: |
| * Node is always added to the front of the list |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @param pAuthNode - Pointer to pre-auth node to be added to the list. |
| * |
| * @return None |
| */ |
| |
| void |
| limAddPreAuthNode(tpAniSirGlobal pMac, struct tLimPreAuthNode *pAuthNode) |
| { |
| pMac->lim.gLimNumPreAuthContexts++; |
| |
| pAuthNode->next = pMac->lim.pLimPreAuthList; |
| |
| pMac->lim.pLimPreAuthList = pAuthNode; |
| } /*** end limAddPreAuthNode() ***/ |
| |
| |
| /** |
| * limReleasePreAuthNode |
| * |
| *FUNCTION: |
| * This function is called to realease the accquired |
| * pre auth node from list. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @param pAuthNode - Pointer to Pre Auth node to be released |
| * @return None |
| */ |
| |
| void |
| limReleasePreAuthNode(tpAniSirGlobal pMac, tpLimPreAuthNode pAuthNode) |
| { |
| pAuthNode->fFree = 1; |
| MTRACE(macTrace(pMac, TRACE_CODE_TIMER_DEACTIVATE, NO_SESSION, eLIM_PRE_AUTH_CLEANUP_TIMER)); |
| tx_timer_deactivate(&pAuthNode->timer); |
| pMac->lim.gLimNumPreAuthContexts--; |
| } /*** end limReleasePreAuthNode() ***/ |
| |
| |
| /** |
| * limDeletePreAuthNode |
| * |
| *FUNCTION: |
| * This function is called at AP when a pre-authenticated STA is |
| * Associated/Reassociated or when AuthFrame4 is received after |
| * Auth Response timeout. |
| * This may also be called on a STA in IBSS if MAC authentication and |
| * Association/Reassociation is allowed in IBSS mode. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @param peerMacAddr - MAC address of the STA that need to be deleted |
| * from pre-auth node list. |
| * |
| * @return None |
| */ |
| |
| void |
| limDeletePreAuthNode(tpAniSirGlobal pMac, tSirMacAddr macAddr) |
| { |
| struct tLimPreAuthNode *pPrevNode, *pTempNode; |
| |
| pTempNode = pPrevNode = pMac->lim.pLimPreAuthList; |
| |
| if (pTempNode == NULL) |
| return; |
| |
| if (vos_mem_compare( (tANI_U8 *) macAddr, |
| (tANI_U8 *) &pTempNode->peerMacAddr, |
| sizeof(tSirMacAddr)) ) |
| { |
| // First node to be deleted |
| |
| pMac->lim.pLimPreAuthList = pTempNode->next; |
| |
| |
| PELOG1(limLog(pMac, LOG1, FL("=====> limDeletePreAuthNode : first node to delete"));) |
| PELOG1(limLog(pMac, LOG1, FL("Release data entry: %x id %d peer "), |
| pTempNode, pTempNode->authNodeIdx); |
| limPrintMacAddr(pMac, macAddr, LOG1);) |
| limReleasePreAuthNode(pMac, pTempNode); |
| |
| return; |
| } |
| |
| pTempNode = pTempNode->next; |
| |
| while (pTempNode != NULL) |
| { |
| if (vos_mem_compare( (tANI_U8 *) macAddr, |
| (tANI_U8 *) &pTempNode->peerMacAddr, |
| sizeof(tSirMacAddr)) ) |
| { |
| // Found node to be deleted |
| |
| pPrevNode->next = pTempNode->next; |
| |
| PELOG1(limLog(pMac, LOG1, FL("=====> limDeletePreAuthNode : subsequent node to delete")); |
| limLog(pMac, LOG1, FL("Release data entry: %x id %d peer "), |
| pTempNode, pTempNode->authNodeIdx); |
| limPrintMacAddr(pMac, macAddr, LOG1);) |
| limReleasePreAuthNode(pMac, pTempNode); |
| |
| return; |
| } |
| |
| pPrevNode = pTempNode; |
| pTempNode = pTempNode->next; |
| } |
| |
| // Should not be here |
| // Log error |
| limLog(pMac, LOGP, FL("peer not found in pre-auth list, addr= ")); |
| limPrintMacAddr(pMac, macAddr, LOGP); |
| |
| } /*** end limDeletePreAuthNode() ***/ |
| |
| |
| |
| |
| |
| /** |
| * limRestoreFromPreAuthState |
| * |
| *FUNCTION: |
| * This function is called on STA whenever an Authentication |
| * sequence is complete and state prior to auth need to be |
| * restored. |
| * |
| *LOGIC: |
| * MLM_AUTH_CNF is prepared and sent to SME state machine. |
| * In case of restoring from pre-auth: |
| * - Channel Id is programmed at LO/RF synthesizer |
| * - BSSID is programmed at RHP |
| * |
| *ASSUMPTIONS: |
| * |
| *NOTE: |
| * |
| * @param pMac - Pointer to Global MAC structure |
| * @param resultCode - result of authentication attempt |
| * @return None |
| */ |
| |
| void |
| limRestoreFromAuthState(tpAniSirGlobal pMac, tSirResultCodes resultCode, tANI_U16 protStatusCode,tpPESession sessionEntry) |
| { |
| tSirMacAddr currentBssId; |
| tLimMlmAuthCnf mlmAuthCnf; |
| |
| vos_mem_copy( (tANI_U8 *) &mlmAuthCnf.peerMacAddr, |
| (tANI_U8 *) &pMac->lim.gpLimMlmAuthReq->peerMacAddr, |
| sizeof(tSirMacAddr)); |
| mlmAuthCnf.authType = pMac->lim.gpLimMlmAuthReq->authType; |
| mlmAuthCnf.resultCode = resultCode; |
| mlmAuthCnf.protStatusCode = protStatusCode; |
| |
| /* Update PE session ID*/ |
| mlmAuthCnf.sessionId = sessionEntry->peSessionId; |
| |
| /// Free up buffer allocated |
| /// for pMac->lim.gLimMlmAuthReq |
| vos_mem_free(pMac->lim.gpLimMlmAuthReq); |
| pMac->lim.gpLimMlmAuthReq = NULL; |
| |
| sessionEntry->limMlmState = sessionEntry->limPrevMlmState; |
| |
| MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, sessionEntry->peSessionId, sessionEntry->limMlmState)); |
| |
| |
| // 'Change' timer for future activations |
| limDeactivateAndChangeTimer(pMac, eLIM_AUTH_FAIL_TIMER); |
| |
| #if 0 |
| if (wlan_cfgGetStr(pMac, WNI_CFG_BSSID, currentBssId, &cfg) != eSIR_SUCCESS) |
| { |
| /// Could not get BSSID from CFG. Log error. |
| limLog(pMac, LOGP, FL("could not retrieve BSSID")); |
| } |
| #endif //TO SUPPORT BT-AMP |
| sirCopyMacAddr(currentBssId,sessionEntry->bssId); |
| |
| if (sessionEntry->limSmeState == eLIM_SME_WT_PRE_AUTH_STATE) |
| { |
| pMac->lim.gLimPreAuthChannelNumber = 0; |
| } |
| |
| limPostSmeMessage(pMac, |
| LIM_MLM_AUTH_CNF, |
| (tANI_U32 *) &mlmAuthCnf); |
| } /*** end limRestoreFromAuthState() ***/ |
| |
| |
| |
| /** |
| * limLookUpKeyMappings() |
| * |
| *FUNCTION: |
| * This function is called in limProcessAuthFrame() function |
| * to determine if there exists a Key Mapping key for a given |
| * MAC address. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param macAddr MAC address of the peer STA for which existence |
| * of Key Mapping key is to be determined |
| * |
| * @return pKeyMapEntry - Pointer to the keyMapEntry returned by CFG |
| */ |
| |
| tCfgWepKeyEntry * |
| limLookUpKeyMappings(tSirMacAddr macAddr) |
| { |
| return NULL; |
| } /****** end limLookUpKeyMappings() ******/ |
| |
| |
| |
| /** |
| * limEncryptAuthFrame() |
| * |
| *FUNCTION: |
| * This function is called in limProcessAuthFrame() function |
| * to encrypt Authentication frame3 body. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param keyId key id to used |
| * @param pKey Pointer to the key to be used for encryption |
| * @param pPlainText Pointer to the body to be encrypted |
| * @param pEncrBody Pointer to the encrypted auth frame body |
| * @param keyLength 8 (WEP40) or 16 (WEP104) |
| * @return None |
| */ |
| |
| void |
| limEncryptAuthFrame(tpAniSirGlobal pMac, tANI_U8 keyId, tANI_U8 *pKey, tANI_U8 *pPlainText, |
| tANI_U8 *pEncrBody, tANI_U32 keyLength) |
| { |
| tANI_U8 seed[LIM_SEED_LENGTH], icv[SIR_MAC_WEP_ICV_LENGTH]; |
| |
| keyLength += 3; |
| |
| // Bytes 0-2 of seed is IV |
| // Read TSF timestamp into seed to get random IV - 1st 3 bytes |
| halGetTxTSFtimer(pMac, (tSirMacTimeStamp *) &seed); |
| |
| // Bytes 3-7 of seed is key |
| vos_mem_copy((tANI_U8 *) &seed[3], pKey, keyLength - 3); |
| |
| // Compute CRC-32 and place them in last 4 bytes of plain text |
| limComputeCrc32(icv, pPlainText, sizeof(tSirMacAuthFrameBody)); |
| |
| vos_mem_copy( pPlainText + sizeof(tSirMacAuthFrameBody), |
| icv, SIR_MAC_WEP_ICV_LENGTH); |
| |
| // Run RC4 on plain text with the seed |
| limRC4(pEncrBody + SIR_MAC_WEP_IV_LENGTH, |
| (tANI_U8 *) pPlainText, seed, keyLength, |
| LIM_ENCR_AUTH_BODY_LEN - SIR_MAC_WEP_IV_LENGTH); |
| |
| // Prepare IV |
| pEncrBody[0] = seed[0]; |
| pEncrBody[1] = seed[1]; |
| pEncrBody[2] = seed[2]; |
| pEncrBody[3] = keyId << 6; |
| } /****** end limEncryptAuthFrame() ******/ |
| |
| |
| |
| /** |
| * limComputeCrc32() |
| * |
| *FUNCTION: |
| * This function is called to compute CRC-32 on a given source. |
| * Used while encrypting/decrypting Authentication frame 3. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pDest Destination location for computed CRC |
| * @param pSrc Source location to be CRC computed |
| * @param len Length over which CRC to be computed |
| * @return None |
| */ |
| |
| void |
| limComputeCrc32(tANI_U8 *pDest, tANI_U8 * pSrc, tANI_U8 len) |
| { |
| tANI_U32 crc; |
| int i; |
| |
| crc = 0; |
| crc = ~crc; |
| |
| while(len-- > 0) |
| crc = limCrcUpdate(crc, *pSrc++); |
| |
| crc = ~crc; |
| |
| for (i=0; i < SIR_MAC_WEP_IV_LENGTH; i++) |
| { |
| pDest[i] = (tANI_U8)crc; |
| crc >>= 8; |
| } |
| } /****** end limComputeCrc32() ******/ |
| |
| |
| |
| /** |
| * limRC4() |
| * |
| *FUNCTION: |
| * This function is called to run RC4 algorithm. Called while |
| * encrypting/decrypting Authentication frame 3. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pDest Destination location for encrypted text |
| * @param pSrc Source location to be encrypted |
| * @param seed Contains seed (IV + key) for PRNG |
| * @param keyLength 8 (WEP40) or 16 (WEP104) |
| * @param frameLen Length of the frame |
| * |
| * @return None |
| */ |
| |
| void |
| limRC4(tANI_U8 *pDest, tANI_U8 *pSrc, tANI_U8 *seed, tANI_U32 keyLength, tANI_U16 frameLen) |
| { |
| typedef struct |
| { |
| tANI_U8 i, j; |
| tANI_U8 sbox[256]; |
| } tRC4Context; |
| |
| tRC4Context ctx; |
| |
| { |
| tANI_U16 i, j, k; |
| |
| // |
| // Initialize sbox using seed |
| // |
| |
| ctx.i = ctx.j = 0; |
| for (i=0; i<256; i++) |
| ctx.sbox[i] = (tANI_U8)i; |
| |
| j = 0; |
| k = 0; |
| for (i=0; i<256; i++) |
| { |
| tANI_U8 temp; |
| if ( k < LIM_SEED_LENGTH ) |
| j = (tANI_U8)(j + ctx.sbox[i] + seed[k]); |
| temp = ctx.sbox[i]; |
| ctx.sbox[i] = ctx.sbox[j]; |
| ctx.sbox[j] = temp; |
| |
| if (++k >= keyLength) |
| k = 0; |
| } |
| } |
| |
| { |
| tANI_U8 i = ctx.i; |
| tANI_U8 j = ctx.j; |
| tANI_U8 len = (tANI_U8) frameLen; |
| |
| while (len-- > 0) |
| { |
| tANI_U8 temp1, temp2; |
| |
| i = (tANI_U8)(i+1); |
| temp1 = ctx.sbox[i]; |
| j = (tANI_U8)(j + temp1); |
| |
| ctx.sbox[i] = temp2 = ctx.sbox[j]; |
| ctx.sbox[j] = temp1; |
| |
| temp1 = (tANI_U8)(temp1 + temp2); |
| temp1 = ctx.sbox[temp1]; |
| temp2 = (tANI_U8)(pSrc ? *pSrc++ : 0); |
| |
| *pDest++ = (tANI_U8)(temp1 ^ temp2); |
| } |
| |
| ctx.i = i; |
| ctx.j = j; |
| } |
| } /****** end limRC4() ******/ |
| |
| |
| |
| /** |
| * limDecryptAuthFrame() |
| * |
| *FUNCTION: |
| * This function is called in limProcessAuthFrame() function |
| * to decrypt received Authentication frame3 body. |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param pKey Pointer to the key to be used for decryption |
| * @param pEncrBody Pointer to the body to be decrypted |
| * @param pPlainBody Pointer to the decrypted body |
| * @param keyLength 8 (WEP40) or 16 (WEP104) |
| * |
| * @return Decrypt result - eSIR_SUCCESS for success and |
| * LIM_DECRYPT_ICV_FAIL for ICV mismatch. |
| * If decryption is a success, pBody will |
| * have decrypted auth frame body. |
| */ |
| |
| tANI_U8 |
| limDecryptAuthFrame(tpAniSirGlobal pMac, tANI_U8 *pKey, tANI_U8 *pEncrBody, |
| tANI_U8 *pPlainBody, tANI_U32 keyLength, tANI_U16 frameLen) |
| { |
| tANI_U8 seed[LIM_SEED_LENGTH], icv[SIR_MAC_WEP_ICV_LENGTH]; |
| int i; |
| keyLength += 3; |
| |
| |
| // Bytes 0-2 of seed is received IV |
| vos_mem_copy((tANI_U8 *) seed, pEncrBody, SIR_MAC_WEP_IV_LENGTH - 1); |
| |
| // Bytes 3-7 of seed is key |
| vos_mem_copy((tANI_U8 *) &seed[3], pKey, keyLength - 3); |
| |
| // Run RC4 on encrypted text with the seed |
| limRC4(pPlainBody, |
| pEncrBody + SIR_MAC_WEP_IV_LENGTH, |
| seed, |
| keyLength, |
| frameLen); |
| |
| PELOG4(limLog(pMac, LOG4, FL("plainbody is ")); |
| sirDumpBuf(pMac, SIR_LIM_MODULE_ID, LOG4, pPlainBody, frameLen);) |
| |
| // Compute CRC-32 and place them in last 4 bytes of encrypted body |
| limComputeCrc32(icv, |
| (tANI_U8 *) pPlainBody, |
| (tANI_U8) (frameLen - SIR_MAC_WEP_ICV_LENGTH)); |
| |
| // Compare RX_ICV with computed ICV |
| for (i = 0; i < SIR_MAC_WEP_ICV_LENGTH; i++) |
| { |
| PELOG4(limLog(pMac, LOG4, FL(" computed ICV%d[%x], rxed ICV%d[%x]"), |
| i, icv[i], i, pPlainBody[frameLen - SIR_MAC_WEP_ICV_LENGTH + i]);) |
| if (icv[i] != pPlainBody[frameLen - SIR_MAC_WEP_ICV_LENGTH + i]) |
| return LIM_DECRYPT_ICV_FAIL; |
| } |
| |
| return eSIR_SUCCESS; |
| } /****** end limDecryptAuthFrame() ******/ |
| |
| /** |
| * limPostSmeSetKeysCnf |
| * |
| * A utility API to send MLM_SETKEYS_CNF to SME |
| */ |
| void limPostSmeSetKeysCnf( tpAniSirGlobal pMac, |
| tLimMlmSetKeysReq *pMlmSetKeysReq, |
| tLimMlmSetKeysCnf *mlmSetKeysCnf) |
| { |
| // Prepare and Send LIM_MLM_SETKEYS_CNF |
| vos_mem_copy( (tANI_U8 *) &mlmSetKeysCnf->peerMacAddr, |
| (tANI_U8 *) pMlmSetKeysReq->peerMacAddr, |
| sizeof(tSirMacAddr)); |
| |
| vos_mem_copy( (tANI_U8 *) &mlmSetKeysCnf->peerMacAddr, |
| (tANI_U8 *) pMlmSetKeysReq->peerMacAddr, |
| sizeof(tSirMacAddr)); |
| |
| |
| /// Free up buffer allocated for mlmSetKeysReq |
| vos_mem_free( pMlmSetKeysReq ); |
| pMac->lim.gpLimMlmSetKeysReq = NULL; |
| |
| limPostSmeMessage( pMac, |
| LIM_MLM_SETKEYS_CNF, |
| (tANI_U32 *) mlmSetKeysCnf ); |
| } |
| |
| /** |
| * limPostSmeRemoveKeysCnf |
| * |
| * A utility API to send MLM_REMOVEKEY_CNF to SME |
| */ |
| void limPostSmeRemoveKeyCnf( tpAniSirGlobal pMac, |
| tpPESession psessionEntry, |
| tLimMlmRemoveKeyReq *pMlmRemoveKeyReq, |
| tLimMlmRemoveKeyCnf *mlmRemoveKeyCnf) |
| { |
| // Prepare and Send LIM_MLM_REMOVEKEYS_CNF |
| vos_mem_copy( (tANI_U8 *) &mlmRemoveKeyCnf->peerMacAddr, |
| (tANI_U8 *) pMlmRemoveKeyReq->peerMacAddr, |
| sizeof(tSirMacAddr)); |
| |
| /// Free up buffer allocated for mlmRemoveKeysReq |
| vos_mem_free( pMlmRemoveKeyReq ); |
| pMac->lim.gpLimMlmRemoveKeyReq = NULL; |
| |
| psessionEntry->limMlmState = psessionEntry->limPrevMlmState; //Restore the state. |
| MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); |
| |
| limPostSmeMessage( pMac, |
| LIM_MLM_REMOVEKEY_CNF, |
| (tANI_U32 *) mlmRemoveKeyCnf ); |
| } |
| |
| /** |
| * limSendSetBssKeyReq() |
| * |
| *FUNCTION: |
| * This function is called from limProcessMlmSetKeysReq(), |
| * when PE is trying to setup the Group Keys related |
| * to a specified encryption type |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param pMlmSetKeysReq Pointer to MLM_SETKEYS_REQ buffer |
| * @return none |
| */ |
| void limSendSetBssKeyReq( tpAniSirGlobal pMac, |
| tLimMlmSetKeysReq *pMlmSetKeysReq, |
| tpPESession psessionEntry) |
| { |
| tSirMsgQ msgQ; |
| tpSetBssKeyParams pSetBssKeyParams = NULL; |
| tLimMlmSetKeysCnf mlmSetKeysCnf; |
| tSirRetStatus retCode; |
| tANI_U32 val = 0; |
| |
| if(pMlmSetKeysReq->numKeys > SIR_MAC_MAX_NUM_OF_DEFAULT_KEYS) |
| { |
| limLog( pMac, LOG1, |
| FL( "numKeys = %d is more than SIR_MAC_MAX_NUM_OF_DEFAULT_KEYS" ), pMlmSetKeysReq->numKeys); |
| |
| // Respond to SME with error code |
| mlmSetKeysCnf.resultCode = eSIR_SME_INVALID_PARAMETERS; |
| goto end; |
| } |
| |
| // Package WDA_SET_BSSKEY_REQ message parameters |
| |
| pSetBssKeyParams = vos_mem_malloc(sizeof( tSetBssKeyParams )); |
| if ( NULL == pSetBssKeyParams ) |
| { |
| limLog( pMac, LOGE, |
| FL( "Unable to allocate memory during SET_BSSKEY" )); |
| |
| // Respond to SME with error code |
| mlmSetKeysCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; |
| goto end; |
| } |
| else |
| vos_mem_set( (void *) pSetBssKeyParams, |
| sizeof( tSetBssKeyParams ), 0); |
| |
| // Update the WDA_SET_BSSKEY_REQ parameters |
| pSetBssKeyParams->bssIdx = psessionEntry->bssIdx; |
| pSetBssKeyParams->encType = pMlmSetKeysReq->edType; |
| |
| |
| if(eSIR_SUCCESS != wlan_cfgGetInt(pMac, WNI_CFG_SINGLE_TID_RC, &val)) |
| { |
| limLog( pMac, LOGP, FL( "Unable to read WNI_CFG_SINGLE_TID_RC" )); |
| } |
| |
| pSetBssKeyParams->singleTidRc = (tANI_U8)val; |
| |
| /* Update PE session Id*/ |
| pSetBssKeyParams->sessionId = psessionEntry ->peSessionId; |
| |
| if(pMlmSetKeysReq->key[0].keyId && |
| ((pMlmSetKeysReq->edType == eSIR_ED_WEP40) || |
| (pMlmSetKeysReq->edType == eSIR_ED_WEP104)) |
| ) |
| { |
| /* IF the key id is non-zero and encryption type is WEP, Send all the 4 |
| * keys to HAL with filling the key at right index in pSetBssKeyParams->key. */ |
| pSetBssKeyParams->numKeys = SIR_MAC_MAX_NUM_OF_DEFAULT_KEYS; |
| vos_mem_copy( (tANI_U8 *) &pSetBssKeyParams->key[pMlmSetKeysReq->key[0].keyId], |
| (tANI_U8 *) &pMlmSetKeysReq->key[0], sizeof(pMlmSetKeysReq->key[0])); |
| |
| } |
| else |
| { |
| pSetBssKeyParams->numKeys = pMlmSetKeysReq->numKeys; |
| vos_mem_copy( (tANI_U8 *) &pSetBssKeyParams->key, |
| (tANI_U8 *) &pMlmSetKeysReq->key, |
| sizeof( tSirKeys ) * pMlmSetKeysReq->numKeys ); |
| } |
| |
| SET_LIM_PROCESS_DEFD_MESGS(pMac, false); |
| msgQ.type = WDA_SET_BSSKEY_REQ; |
| // |
| // FIXME_GEN4 |
| // A global counter (dialog token) is required to keep track of |
| // all PE <-> HAL communication(s) |
| // |
| msgQ.reserved = 0; |
| msgQ.bodyptr = pSetBssKeyParams; |
| msgQ.bodyval = 0; |
| |
| limLog( pMac, LOGW, |
| FL( "Sending WDA_SET_BSSKEY_REQ..." )); |
| MTRACE(macTraceMsgTx(pMac, psessionEntry->peSessionId, msgQ.type)); |
| if( eSIR_SUCCESS != (retCode = wdaPostCtrlMsg( pMac, &msgQ ))) |
| { |
| limLog( pMac, LOGE, |
| FL("Posting SET_BSSKEY to HAL failed, reason=%X"), |
| retCode ); |
| |
| // Respond to SME with LIM_MLM_SETKEYS_CNF |
| mlmSetKeysCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; |
| } |
| else |
| return; // Continue after WDA_SET_BSSKEY_RSP... |
| |
| end: |
| limPostSmeSetKeysCnf( pMac, |
| pMlmSetKeysReq, |
| &mlmSetKeysCnf ); |
| |
| } |
| |
| /** |
| * @function : limSendSetStaKeyReq() |
| * |
| * @brief : This function is called from limProcessMlmSetKeysReq(), |
| * when PE is trying to setup the Unicast Keys related |
| * to a specified STA with specified encryption type |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param pMlmSetKeysReq Pointer to MLM_SETKEYS_REQ buffer |
| * @param staIdx STA index for which the keys are being set |
| * @param defWEPIdx The default WEP key index [0..3] |
| * @return none |
| */ |
| void limSendSetStaKeyReq( tpAniSirGlobal pMac, |
| tLimMlmSetKeysReq *pMlmSetKeysReq, |
| tANI_U16 staIdx, |
| tANI_U8 defWEPIdx, |
| tpPESession sessionEntry) |
| { |
| tSirMsgQ msgQ; |
| tpSetStaKeyParams pSetStaKeyParams = NULL; |
| tLimMlmSetKeysCnf mlmSetKeysCnf; |
| tSirRetStatus retCode; |
| tANI_U32 val = 0; |
| |
| // Package WDA_SET_STAKEY_REQ message parameters |
| pSetStaKeyParams = vos_mem_malloc(sizeof( tSetStaKeyParams )); |
| if ( NULL == pSetStaKeyParams ) |
| { |
| limLog( pMac, LOGP, FL( "Unable to allocate memory during SET_BSSKEY" )); |
| return; |
| } |
| else |
| vos_mem_set( (void *) pSetStaKeyParams, sizeof( tSetStaKeyParams ), 0); |
| |
| // Update the WDA_SET_STAKEY_REQ parameters |
| pSetStaKeyParams->staIdx = staIdx; |
| pSetStaKeyParams->encType = pMlmSetKeysReq->edType; |
| |
| |
| if(eSIR_SUCCESS != wlan_cfgGetInt(pMac, WNI_CFG_SINGLE_TID_RC, &val)) |
| { |
| limLog( pMac, LOGP, FL( "Unable to read WNI_CFG_SINGLE_TID_RC" )); |
| } |
| |
| pSetStaKeyParams->singleTidRc = (tANI_U8)val; |
| |
| /* Update PE session ID*/ |
| pSetStaKeyParams->sessionId = sessionEntry->peSessionId; |
| |
| /** |
| * For WEP - defWEPIdx indicates the default WEP |
| * Key to be used for TX |
| * For all others, there's just one key that can |
| * be used and hence it is assumed that |
| * defWEPIdx = 0 (from the caller) |
| */ |
| |
| pSetStaKeyParams->defWEPIdx = defWEPIdx; |
| |
| /** Store the Previous MlmState*/ |
| sessionEntry->limPrevMlmState = sessionEntry->limMlmState; |
| SET_LIM_PROCESS_DEFD_MESGS(pMac, false); |
| |
| if(sessionEntry->limSystemRole == eLIM_STA_IN_IBSS_ROLE && !pMlmSetKeysReq->key[0].unicast) { |
| sessionEntry->limMlmState = eLIM_MLM_WT_SET_STA_BCASTKEY_STATE; |
| msgQ.type = WDA_SET_STA_BCASTKEY_REQ; |
| }else { |
| sessionEntry->limMlmState = eLIM_MLM_WT_SET_STA_KEY_STATE; |
| msgQ.type = WDA_SET_STAKEY_REQ; |
| } |
| MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, sessionEntry->peSessionId, sessionEntry->limMlmState)); |
| |
| /** |
| * In the Case of WEP_DYNAMIC, ED_TKIP and ED_CCMP |
| * the Key[0] contains the KEY, so just copy that alone, |
| * for the case of WEP_STATIC the hal gets the key from cfg |
| */ |
| switch( pMlmSetKeysReq->edType ) { |
| case eSIR_ED_WEP40: |
| case eSIR_ED_WEP104: |
| // FIXME! Is this OK? |
| if( 0 == pMlmSetKeysReq->numKeys ) { |
| tANI_U32 i; |
| |
| for(i=0; i < SIR_MAC_MAX_NUM_OF_DEFAULT_KEYS ;i++) |
| { |
| vos_mem_copy( (tANI_U8 *) &pSetStaKeyParams->key[i], |
| (tANI_U8 *) &pMlmSetKeysReq->key[i], sizeof( tSirKeys )); |
| } |
| pSetStaKeyParams->wepType = eSIR_WEP_STATIC; |
| sessionEntry->limMlmState = eLIM_MLM_WT_SET_STA_KEY_STATE; |
| MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, sessionEntry->peSessionId, sessionEntry->limMlmState)); |
| }else { |
| /*This case the keys are coming from upper layer so need to fill the |
| * key at the default wep key index and send to the HAL */ |
| vos_mem_copy((tANI_U8 *) &pSetStaKeyParams->key[defWEPIdx], |
| (tANI_U8 *) &pMlmSetKeysReq->key[0], sizeof( pMlmSetKeysReq->key[0] )); |
| pMlmSetKeysReq->numKeys = SIR_MAC_MAX_NUM_OF_DEFAULT_KEYS; |
| } |
| break; |
| case eSIR_ED_TKIP: |
| case eSIR_ED_CCMP: |
| #ifdef FEATURE_WLAN_WAPI |
| case eSIR_ED_WPI: |
| #endif |
| { |
| vos_mem_copy( (tANI_U8 *) &pSetStaKeyParams->key, |
| (tANI_U8 *) &pMlmSetKeysReq->key[0], sizeof( tSirKeys )); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| |
| // |
| // FIXME_GEN4 |
| // A global counter (dialog token) is required to keep track of |
| // all PE <-> HAL communication(s) |
| // |
| msgQ.reserved = 0; |
| msgQ.bodyptr = pSetStaKeyParams; |
| msgQ.bodyval = 0; |
| |
| limLog( pMac, LOG1, FL( "Sending WDA_SET_STAKEY_REQ..." )); |
| MTRACE(macTraceMsgTx(pMac, sessionEntry->peSessionId, msgQ.type)); |
| if( eSIR_SUCCESS != (retCode = wdaPostCtrlMsg( pMac, &msgQ ))) { |
| limLog( pMac, LOGE, FL("Posting SET_STAKEY to HAL failed, reason=%X"), retCode ); |
| // Respond to SME with LIM_MLM_SETKEYS_CNF |
| mlmSetKeysCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; |
| }else |
| return; // Continue after WDA_SET_STAKEY_RSP... |
| |
| limPostSmeSetKeysCnf( pMac, pMlmSetKeysReq, &mlmSetKeysCnf ); |
| } |
| |
| /** |
| * limSendRemoveBssKeyReq() |
| * |
| *FUNCTION: |
| * This function is called from limProcessMlmRemoveReq(), |
| * when PE is trying to Remove a Group Key related |
| * to a specified encryption type |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param pMlmRemoveKeyReq Pointer to MLM_REMOVEKEY_REQ buffer |
| * @return none |
| */ |
| void limSendRemoveBssKeyReq( tpAniSirGlobal pMac, |
| tLimMlmRemoveKeyReq *pMlmRemoveKeyReq, |
| tpPESession psessionEntry) |
| { |
| tSirMsgQ msgQ; |
| tpRemoveBssKeyParams pRemoveBssKeyParams = NULL; |
| tLimMlmRemoveKeyCnf mlmRemoveKeysCnf; |
| tSirRetStatus retCode; |
| |
| // Package WDA_REMOVE_BSSKEY_REQ message parameters |
| pRemoveBssKeyParams = vos_mem_malloc(sizeof( tRemoveBssKeyParams )); |
| if ( NULL == pRemoveBssKeyParams ) |
| { |
| limLog( pMac, LOGE, |
| FL( "Unable to allocate memory during REMOVE_BSSKEY" )); |
| |
| // Respond to SME with error code |
| mlmRemoveKeysCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; |
| goto end; |
| } |
| else |
| vos_mem_set( (void *) pRemoveBssKeyParams, |
| sizeof( tRemoveBssKeyParams ), 0); |
| |
| // Update the WDA_REMOVE_BSSKEY_REQ parameters |
| pRemoveBssKeyParams->bssIdx = psessionEntry->bssIdx; |
| pRemoveBssKeyParams->encType = pMlmRemoveKeyReq->edType; |
| pRemoveBssKeyParams->keyId = pMlmRemoveKeyReq->keyId; |
| pRemoveBssKeyParams->wepType = pMlmRemoveKeyReq->wepType; |
| |
| /* Update PE session Id*/ |
| |
| pRemoveBssKeyParams->sessionId = psessionEntry->peSessionId; |
| |
| msgQ.type = WDA_REMOVE_BSSKEY_REQ; |
| // |
| // FIXME_GEN4 |
| // A global counter (dialog token) is required to keep track of |
| // all PE <-> HAL communication(s) |
| // |
| msgQ.reserved = 0; |
| msgQ.bodyptr = pRemoveBssKeyParams; |
| msgQ.bodyval = 0; |
| |
| limLog( pMac, LOGW, |
| FL( "Sending WDA_REMOVE_BSSKEY_REQ..." )); |
| MTRACE(macTraceMsgTx(pMac, psessionEntry->peSessionId, msgQ.type)); |
| |
| if( eSIR_SUCCESS != (retCode = wdaPostCtrlMsg( pMac, &msgQ ))) |
| { |
| limLog( pMac, LOGE, |
| FL("Posting REMOVE_BSSKEY to HAL failed, reason=%X"), |
| retCode ); |
| |
| // Respond to SME with LIM_MLM_REMOVEKEYS_CNF |
| mlmRemoveKeysCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; |
| } |
| else |
| return; |
| |
| end: |
| limPostSmeRemoveKeyCnf( pMac, |
| psessionEntry, |
| pMlmRemoveKeyReq, |
| &mlmRemoveKeysCnf ); |
| |
| } |
| |
| /** |
| * limSendRemoveStaKeyReq() |
| * |
| *FUNCTION: |
| * This function is called from limProcessMlmRemoveKeysReq(), |
| * when PE is trying to setup the Unicast Keys related |
| * to a specified STA with specified encryption type |
| * |
| *LOGIC: |
| * |
| *ASSUMPTIONS: |
| * NA |
| * |
| *NOTE: |
| * NA |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param pMlmRemoveKeysReq Pointer to MLM_REMOVEKEYS_REQ buffer |
| * @param staIdx STA index for which the keys are being set |
| * @return none |
| */ |
| void limSendRemoveStaKeyReq( tpAniSirGlobal pMac, |
| tLimMlmRemoveKeyReq *pMlmRemoveKeyReq, |
| tANI_U16 staIdx, |
| tpPESession psessionEntry) |
| { |
| tSirMsgQ msgQ; |
| tpRemoveStaKeyParams pRemoveStaKeyParams = NULL; |
| tLimMlmRemoveKeyCnf mlmRemoveKeyCnf; |
| tSirRetStatus retCode; |
| |
| pRemoveStaKeyParams = vos_mem_malloc(sizeof( tRemoveStaKeyParams )); |
| if ( NULL == pRemoveStaKeyParams ) |
| { |
| limLog( pMac, LOGE, |
| FL( "Unable to allocate memory during REMOVE_STAKEY" )); |
| |
| // Respond to SME with error code |
| mlmRemoveKeyCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; |
| goto end; |
| } |
| else |
| vos_mem_set( (void *) pRemoveStaKeyParams, |
| sizeof( tRemoveStaKeyParams ), 0); |
| |
| if( (pMlmRemoveKeyReq->edType == eSIR_ED_WEP104 || pMlmRemoveKeyReq->edType == eSIR_ED_WEP40) && |
| pMlmRemoveKeyReq->wepType == eSIR_WEP_STATIC ) |
| { |
| PELOGE(limLog(pMac, LOGE, FL("Request to remove static WEP keys through station interface\n Should use BSS interface"));) |
| mlmRemoveKeyCnf.resultCode = eSIR_SME_INVALID_PARAMETERS; |
| goto end; |
| } |
| |
| // Update the WDA_REMOVEKEY_REQ parameters |
| pRemoveStaKeyParams->staIdx = staIdx; |
| pRemoveStaKeyParams->encType = pMlmRemoveKeyReq->edType; |
| pRemoveStaKeyParams->keyId = pMlmRemoveKeyReq->keyId; |
| pRemoveStaKeyParams->unicast = pMlmRemoveKeyReq->unicast; |
| |
| /* Update PE session ID*/ |
| pRemoveStaKeyParams->sessionId = psessionEntry->peSessionId; |
| |
| SET_LIM_PROCESS_DEFD_MESGS(pMac, false); |
| |
| msgQ.type = WDA_REMOVE_STAKEY_REQ; |
| // |
| // FIXME_GEN4 |
| // A global counter (dialog token) is required to keep track of |
| // all PE <-> HAL communication(s) |
| // |
| msgQ.reserved = 0; |
| msgQ.bodyptr = pRemoveStaKeyParams; |
| msgQ.bodyval = 0; |
| |
| limLog( pMac, LOGW, |
| FL( "Sending WDA_REMOVE_STAKEY_REQ..." )); |
| MTRACE(macTraceMsgTx(pMac, psessionEntry->peSessionId, msgQ.type)); |
| retCode = wdaPostCtrlMsg( pMac, &msgQ ); |
| if (eSIR_SUCCESS != retCode) |
| { |
| limLog( pMac, LOGE, |
| FL("Posting REMOVE_STAKEY to HAL failed, reason=%X"), |
| retCode ); |
| vos_mem_free(pRemoveStaKeyParams); |
| pRemoveStaKeyParams = NULL; |
| |
| // Respond to SME with LIM_MLM_REMOVEKEY_CNF |
| mlmRemoveKeyCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; |
| } |
| else |
| return; |
| |
| end: |
| if (pRemoveStaKeyParams) |
| { |
| palFreeMemory(pMac->hHdd, pRemoveStaKeyParams); |
| } |
| limPostSmeRemoveKeyCnf( pMac, |
| psessionEntry, |
| pMlmRemoveKeyReq, |
| &mlmRemoveKeyCnf ); |
| |
| } |
| |
| |