//static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel =MSG_LEVEL_INFO;
-static const u8 acbyRxRate[MAX_RATE] =
-{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
-
-static u8 s_byGetRateIdx(u8 byRate);
-
-static
-void
-s_vGetDASA(
- u8 * pbyRxBufferAddr,
- unsigned int *pcbHeaderSize,
- struct ethhdr *psEthHeader
- );
-
-static void s_vProcessRxMACHeader(struct vnt_private *pDevice,
- u8 *pbyRxBufferAddr, u32 cbPacketSize, int bIsWEP, int bExtIV,
- u32 *pcbHeadSize);
-
-static int s_bHandleRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
- u32 FrameSize, u8 *pbyRsr, u8 *pbyNewRsr, PSKeyItem *pKeyOut,
- s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16);
-
-/*+
- *
- * Description:
- * Translate Rcv 802.11 header to 802.3 header with Rx buffer
- *
- * Parameters:
- * In:
- * pDevice
- * dwRxBufferAddr - Address of Rcv Buffer
- * cbPacketSize - Rcv Packet size
- * bIsWEP - If Rcv with WEP
- * Out:
- * pcbHeaderSize - 802.11 header size
- *
- * Return Value: None
- *
--*/
-
-static void s_vProcessRxMACHeader(struct vnt_private *pDevice,
- u8 *pbyRxBufferAddr, u32 cbPacketSize, int bIsWEP, int bExtIV,
- u32 *pcbHeadSize)
-{
- u8 *pbyRxBuffer;
- u32 cbHeaderSize = 0;
- u16 *pwType;
- struct ieee80211_hdr *pMACHeader;
- int ii;
-
- pMACHeader = (struct ieee80211_hdr *) (pbyRxBufferAddr + cbHeaderSize);
-
- s_vGetDASA((u8 *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
-
- if (bIsWEP) {
- if (bExtIV) {
- // strip IV&ExtIV , add 8 byte
- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
- } else {
- // strip IV , add 4 byte
- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
- }
- }
- else {
- cbHeaderSize += WLAN_HDR_ADDR3_LEN;
- };
-
- pbyRxBuffer = (u8 *) (pbyRxBufferAddr + cbHeaderSize);
- if (ether_addr_equal(pbyRxBuffer, pDevice->abySNAP_Bridgetunnel)) {
- cbHeaderSize += 6;
- } else if (ether_addr_equal(pbyRxBuffer, pDevice->abySNAP_RFC1042)) {
- cbHeaderSize += 6;
- pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
- if ((*pwType == cpu_to_be16(ETH_P_IPX)) ||
- (*pwType == cpu_to_le16(0xF380))) {
- cbHeaderSize -= 8;
- pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
- if (bIsWEP) {
- if (bExtIV) {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
- } else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
- }
- }
- else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
- }
- }
- }
- else {
- cbHeaderSize -= 2;
- pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
- if (bIsWEP) {
- if (bExtIV) {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
- } else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
- }
- }
- else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
- }
- }
-
- cbHeaderSize -= (ETH_ALEN * 2);
- pbyRxBuffer = (u8 *) (pbyRxBufferAddr + cbHeaderSize);
- for (ii = 0; ii < ETH_ALEN; ii++)
- *pbyRxBuffer++ = pDevice->sRxEthHeader.h_dest[ii];
- for (ii = 0; ii < ETH_ALEN; ii++)
- *pbyRxBuffer++ = pDevice->sRxEthHeader.h_source[ii];
-
- *pcbHeadSize = cbHeaderSize;
-}
-
-static u8 s_byGetRateIdx(u8 byRate)
-{
- u8 byRateIdx;
-
- for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
- if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
- return byRateIdx;
- }
- return 0;
-}
-
-static
-void
-s_vGetDASA (
- u8 * pbyRxBufferAddr,
- unsigned int *pcbHeaderSize,
- struct ethhdr *psEthHeader
- )
-{
- unsigned int cbHeaderSize = 0;
- struct ieee80211_hdr *pMACHeader;
- int ii;
-
- pMACHeader = (struct ieee80211_hdr *) (pbyRxBufferAddr + cbHeaderSize);
-
- if ((pMACHeader->frame_control & FC_TODS) == 0) {
- if (pMACHeader->frame_control & FC_FROMDS) {
- for (ii = 0; ii < ETH_ALEN; ii++) {
- psEthHeader->h_dest[ii] =
- pMACHeader->addr1[ii];
- psEthHeader->h_source[ii] =
- pMACHeader->addr3[ii];
- }
- } else {
- /* IBSS mode */
- for (ii = 0; ii < ETH_ALEN; ii++) {
- psEthHeader->h_dest[ii] =
- pMACHeader->addr1[ii];
- psEthHeader->h_source[ii] =
- pMACHeader->addr2[ii];
- }
- }
- } else {
- /* Is AP mode.. */
- if (pMACHeader->frame_control & FC_FROMDS) {
- for (ii = 0; ii < ETH_ALEN; ii++) {
- psEthHeader->h_dest[ii] =
- pMACHeader->addr3[ii];
- psEthHeader->h_source[ii] =
- pMACHeader->addr4[ii];
- cbHeaderSize += 6;
- }
- } else {
- for (ii = 0; ii < ETH_ALEN; ii++) {
- psEthHeader->h_dest[ii] =
- pMACHeader->addr3[ii];
- psEthHeader->h_source[ii] =
- pMACHeader->addr2[ii];
- }
- }
- };
- *pcbHeaderSize = cbHeaderSize;
-}
-
-int RXbBulkInProcessData(struct vnt_private *pDevice, struct vnt_rcb *pRCB,
- unsigned long BytesToIndicate)
-{
- struct net_device_stats *pStats = &pDevice->stats;
- struct sk_buff *skb;
- struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
- struct vnt_rx_mgmt *pRxPacket = &pMgmt->sRxPacket;
- struct ieee80211_hdr *p802_11Header;
- u8 *pbyRsr, *pbyNewRsr, *pbyRSSI, *pbyFrame;
- u64 *pqwTSFTime;
- u32 bDeFragRx = false;
- u32 cbHeaderOffset, cbIVOffset;
- u32 FrameSize;
- u16 wEtherType = 0;
- s32 iSANodeIndex = -1;
- int ii;
- u8 *pbyRxSts, *pbyRxRate, *pbySQ, *pby3SQ;
- u32 cbHeaderSize;
- PSKeyItem pKey = NULL;
- u16 wRxTSC15_0 = 0;
- u32 dwRxTSC47_16 = 0;
- /* signed long ldBm = 0; */
- int bIsWEP = false; int bExtIV = false;
- u32 dwWbkStatus;
- struct vnt_rcb *pRCBIndicate = pRCB;
- u8 *pbyDAddress;
- u16 *pwPLCP_Length;
- u8 abyVaildRate[MAX_RATE]
- = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
- u16 wPLCPwithPadding;
- struct ieee80211_hdr *pMACHeader;
- int bRxeapol_key = false;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- RXbBulkInProcessData---\n");
-
- skb = pRCB->skb;
-
- /* [31:16]RcvByteCount ( not include 4-byte Status ) */
- dwWbkStatus = *((u32 *)(skb->data));
- FrameSize = dwWbkStatus >> 16;
- FrameSize += 4;
-
- if (BytesToIndicate != FrameSize) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"------- WRONG Length 1\n");
- pStats->rx_frame_errors++;
- return false;
- }
-
- if ((BytesToIndicate > 2372) || (BytesToIndicate <= 40)) {
- // Frame Size error drop this packet.
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2\n");
- pStats->rx_frame_errors++;
- return false;
- }
-
- pbyDAddress = (u8 *)(skb->data);
- pbyRxSts = pbyDAddress+4;
- pbyRxRate = pbyDAddress+5;
-
- //real Frame Size = USBFrameSize -4WbkStatus - 4RxStatus - 8TSF - 4RSR - 4SQ3 - ?Padding
- //if SQ3 the range is 24~27, if no SQ3 the range is 20~23
- //real Frame size in PLCPLength field.
- pwPLCP_Length = (u16 *) (pbyDAddress + 6);
- //Fix hardware bug => PLCP_Length error
- if ( ((BytesToIndicate - (*pwPLCP_Length)) > 27) ||
- ((BytesToIndicate - (*pwPLCP_Length)) < 24) ||
- (BytesToIndicate < (*pwPLCP_Length)) ) {
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong PLCP Length %x\n", (int) *pwPLCP_Length);
- pStats->rx_frame_errors++;
- return false;
- }
- for ( ii=RATE_1M;ii<MAX_RATE;ii++) {
- if ( *pbyRxRate == abyVaildRate[ii] ) {
- break;
- }
- }
- if ( ii==MAX_RATE ) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong RxRate %x\n",(int) *pbyRxRate);
- return false;
- }
-
- wPLCPwithPadding = ( (*pwPLCP_Length / 4) + ( (*pwPLCP_Length % 4) ? 1:0 ) ) *4;
-
- pqwTSFTime = (u64 *)(pbyDAddress + 8 + wPLCPwithPadding);
- if(pDevice->byBBType == BB_TYPE_11G) {
- pby3SQ = pbyDAddress + 8 + wPLCPwithPadding + 12;
- pbySQ = pby3SQ;
- }
- else {
- pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8;
- pby3SQ = pbySQ;
- }
- pbyNewRsr = pbyDAddress + 8 + wPLCPwithPadding + 9;
- pbyRSSI = pbyDAddress + 8 + wPLCPwithPadding + 10;
- pbyRsr = pbyDAddress + 8 + wPLCPwithPadding + 11;
-
- FrameSize = *pwPLCP_Length;
-
- pbyFrame = pbyDAddress + 8;
-
- pMACHeader = (struct ieee80211_hdr *) pbyFrame;
-
-//mike add: to judge if current AP is activated?
- if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
- (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
- if (pMgmt->sNodeDBTable[0].bActive) {
- if (ether_addr_equal(pMgmt->abyCurrBSSID, pMACHeader->addr2)) {
- if (pMgmt->sNodeDBTable[0].uInActiveCount != 0)
- pMgmt->sNodeDBTable[0].uInActiveCount = 0;
- }
- }
- }
-
- if (!is_multicast_ether_addr(pMACHeader->addr1)) {
- if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (struct ieee80211_hdr *) pbyFrame)) {
- return false;
- }
-
- if (!ether_addr_equal(pDevice->abyCurrentNetAddr, pMACHeader->addr1)) {
- return false;
- }
- }
-
- // Use for TKIP MIC
- s_vGetDASA(pbyFrame, &cbHeaderSize, &pDevice->sRxEthHeader);
-
- if (ether_addr_equal((u8 *)pDevice->sRxEthHeader.h_source,
- pDevice->abyCurrentNetAddr))
- return false;
-
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
- if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
- p802_11Header = (struct ieee80211_hdr *) (pbyFrame);
- // get SA NodeIndex
- if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(p802_11Header->addr2), &iSANodeIndex)) {
- pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
- pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
- }
- }
- }
-
- if (IS_FC_WEP(pbyFrame)) {
- bool bRxDecryOK = false;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
- bIsWEP = true;
-
- bRxDecryOK = s_bHandleRxEncryption(pDevice, pbyFrame, FrameSize,
- pbyRsr, pbyNewRsr, &pKey, &bExtIV, &wRxTSC15_0, &dwRxTSC47_16);
-
- if (bRxDecryOK) {
- if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
- if ( (pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
- }
- return false;
- }
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n");
- return false;
- }
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
- FrameSize -= 8; // Message Integrity Code
- else
- FrameSize -= 4; // 4 is ICV
- }
-
- //
- // RX OK
- //
- /* remove the FCS/CRC length */
- FrameSize -= ETH_FCS_LEN;
-
- if ( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) && // unicast address
- (IS_FRAGMENT_PKT((pbyFrame)))
- ) {
- // defragment
- bDeFragRx = WCTLbHandleFragment(pDevice, (struct ieee80211_hdr *) (pbyFrame), FrameSize, bIsWEP, bExtIV);
- if (bDeFragRx) {
- // defrag complete
- // TODO skb, pbyFrame
- skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
- FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
- pbyFrame = skb->data + 8;
- }
- else {
- return false;
- }
- }
-
- //
- // Management & Control frame Handle
- //
- if ((IS_TYPE_DATA((pbyFrame))) == false) {
- // Handle Control & Manage Frame
-
- if (IS_TYPE_MGMT((pbyFrame))) {
- u8 * pbyData1;
- u8 * pbyData2;
-
- pRxPacket = &(pRCB->sMngPacket);
- pRxPacket->p80211Header = (PUWLAN_80211HDR)(pbyFrame);
- pRxPacket->cbMPDULen = FrameSize;
- pRxPacket->uRSSI = *pbyRSSI;
- pRxPacket->bySQ = *pbySQ;
- pRxPacket->qwLocalTSF = cpu_to_le64(*pqwTSFTime);
- if (bIsWEP) {
- // strip IV
- pbyData1 = WLAN_HDR_A3_DATA_PTR(pbyFrame);
- pbyData2 = WLAN_HDR_A3_DATA_PTR(pbyFrame) + 4;
- for (ii = 0; ii < (FrameSize - 4); ii++) {
- *pbyData1 = *pbyData2;
- pbyData1++;
- pbyData2++;
- }
- }
-
- pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
-
- if ( *pbyRxSts == 0 ) {
- //Discard beacon packet which channel is 0
- if ( (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_BEACON) ||
- (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_PROBERESP) ) {
- return false;
- }
- }
- pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
-
- //
- // Insert the RCB in the Recv Mng list
- //
- EnqueueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList, pRCBIndicate);
- pDevice->NumRecvMngList++;
- if ( bDeFragRx == false) {
- pRCB->Ref++;
- }
- if (pDevice->bIsRxMngWorkItemQueued == false) {
- pDevice->bIsRxMngWorkItemQueued = true;
- schedule_work(&pDevice->rx_mng_work_item);
- }
-
- }
- else {
- // Control Frame
- };
- return false;
- }
- else {
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
- if ( !(*pbyRsr & RSR_BSSIDOK)) {
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- }
- else {
- // discard DATA packet while not associate || BSSID error
- if ((pDevice->bLinkPass == false) ||
- !(*pbyRsr & RSR_BSSIDOK)) {
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- //mike add:station mode check eapol-key challenge--->
- {
- u8 Protocol_Version; //802.1x Authentication
- u8 Packet_Type; //802.1x Authentication
- u8 Descriptor_type;
- u16 Key_info;
- if (bIsWEP)
- cbIVOffset = 8;
- else
- cbIVOffset = 0;
- wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
- skb->data[cbIVOffset + 8 + 24 + 6 + 1];
- Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
- Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
- if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
- if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
- (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive
- bRxeapol_key = true;
- Descriptor_type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2];
- Key_info = (skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+1]<<8) |skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+2] ;
- if(Descriptor_type==2) { //RSN
- // printk("WPA2_Rx_eapol-key_info<-----:%x\n",Key_info);
- }
- else if(Descriptor_type==254) {
- // printk("WPA_Rx_eapol-key_info<-----:%x\n",Key_info);
- }
- }
- }
- }
- //mike add:station mode check eapol-key challenge<---
- }
- }
-
-// Data frame Handle
-
- if (pDevice->bEnablePSMode) {
- if (IS_FC_MOREDATA((pbyFrame))) {
- if (*pbyRsr & RSR_ADDROK) {
- //PSbSendPSPOLL((PSDevice)pDevice);
- }
- }
- else {
- if (pMgmt->bInTIMWake == true) {
- pMgmt->bInTIMWake = false;
- }
- }
- }
-
- // ++++++++ For BaseBand Algorithm +++++++++++++++
- pDevice->uCurrRSSI = *pbyRSSI;
- pDevice->byCurrSQ = *pbySQ;
-
- // todo
-/*
- if ((*pbyRSSI != 0) &&
- (pMgmt->pCurrBSS!=NULL)) {
- RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
- // Monitor if RSSI is too strong.
- pMgmt->pCurrBSS->byRSSIStatCnt++;
- pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
- pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
- for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
- if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
- pMgmt->pCurrBSS->ldBmMAX =
- max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
- }
- }
- }
-*/
-
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
- if (bIsWEP) {
- FrameSize -= 8; //MIC
- }
- }
-
- //--------------------------------------------------------------------------------
- // Soft MIC
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
- if (bIsWEP) {
- u32 * pdwMIC_L;
- u32 * pdwMIC_R;
- u32 dwMIC_Priority;
- u32 dwMICKey0 = 0, dwMICKey1 = 0;
- u32 dwLocalMIC_L = 0;
- u32 dwLocalMIC_R = 0;
-
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[24]));
- dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[28]));
- }
- else {
- if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
- dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[16]));
- dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[20]));
- } else if ((pKey->dwKeyIndex & BIT28) == 0) {
- dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[16]));
- dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[20]));
- } else {
- dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[24]));
- dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[28]));
- }
- }
-
- MIC_vInit(dwMICKey0, dwMICKey1);
- MIC_vAppend((u8 *)&(pDevice->sRxEthHeader.h_dest[0]), 12);
- dwMIC_Priority = 0;
- MIC_vAppend((u8 *)&dwMIC_Priority, 4);
- // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
- MIC_vAppend((u8 *)(skb->data + 8 + WLAN_HDR_ADDR3_LEN + 8),
- FrameSize - WLAN_HDR_ADDR3_LEN - 8);
- MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
- MIC_vUnInit();
-
- pdwMIC_L = (u32 *)(skb->data + 8 + FrameSize);
- pdwMIC_R = (u32 *)(skb->data + 8 + FrameSize + 4);
-
- if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
- (pDevice->bRxMICFail == true)) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
- pDevice->bRxMICFail = false;
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- //send event to wpa_supplicant
- //if(pDevice->bWPASuppWextEnabled == true)
- {
- union iwreq_data wrqu;
- struct iw_michaelmicfailure ev;
- int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
- memset(&ev, 0, sizeof(ev));
- ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
- (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
- (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
- ev.flags |= IW_MICFAILURE_PAIRWISE;
- } else {
- ev.flags |= IW_MICFAILURE_GROUP;
- }
-
- ev.src_addr.sa_family = ARPHRD_ETHER;
- memcpy(ev.src_addr.sa_data, pMACHeader->addr2, ETH_ALEN);
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = sizeof(ev);
- PRINT_K("wireless_send_event--->IWEVMICHAELMICFAILURE\n");
- wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
-
- }
-
- return false;
-
- }
- }
- } //---end of SOFT MIC-----------------------------------------------------------------------
-
- // ++++++++++ Reply Counter Check +++++++++++++
-
- if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
- (pKey->byCipherSuite == KEY_CTL_CCMP))) {
- if (bIsWEP) {
- u16 wLocalTSC15_0 = 0;
- u32 dwLocalTSC47_16 = 0;
- unsigned long long RSC = 0;
- // endian issues
- RSC = *((unsigned long long *) &(pKey->KeyRSC));
- wLocalTSC15_0 = (u16) RSC;
- dwLocalTSC47_16 = (u32) (RSC>>16);
-
- RSC = dwRxTSC47_16;
- RSC <<= 16;
- RSC += wRxTSC15_0;
- memcpy(&(pKey->KeyRSC), &RSC, sizeof(u64));
-
- if (pDevice->vnt_mgmt.eCurrMode == WMAC_MODE_ESS_STA &&
- pDevice->vnt_mgmt.eCurrState == WMAC_STATE_ASSOC) {
- /* check RSC */
- if ( (wRxTSC15_0 < wLocalTSC15_0) &&
- (dwRxTSC47_16 <= dwLocalTSC47_16) &&
- !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
-
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- }
- }
- } // ----- End of Reply Counter Check --------------------------
-
- s_vProcessRxMACHeader(pDevice, (u8 *)(skb->data+8), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
- FrameSize -= cbHeaderOffset;
- cbHeaderOffset += 8; // 8 is Rcv buffer header
-
- // Null data, framesize = 12
- if (FrameSize < 12)
- return false;
-
- skb->data += cbHeaderOffset;
- skb->tail += cbHeaderOffset;
- skb_put(skb, FrameSize);
- skb->protocol=eth_type_trans(skb, skb->dev);
- skb->ip_summed=CHECKSUM_NONE;
- pStats->rx_bytes +=skb->len;
- pStats->rx_packets++;
- netif_rx(skb);
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- return false;
- }
-
- return true;
-}
-
-static int s_bHandleRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
- u32 FrameSize, u8 *pbyRsr, u8 *pbyNewRsr, PSKeyItem *pKeyOut,
- s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16)
-{
- struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
- u32 PayloadLen = FrameSize;
- u8 *pbyIV;
- u8 byKeyIdx;
- PSKeyItem pKey = NULL;
- u8 byDecMode = KEY_CTL_WEP;
-
- *pwRxTSC15_0 = 0;
- *pdwRxTSC47_16 = 0;
-
- pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
- if ( WLAN_GET_FC_TODS(*(u16 *)pbyFrame) &&
- WLAN_GET_FC_FROMDS(*(u16 *)pbyFrame) ) {
- pbyIV += 6; // 6 is 802.11 address4
- PayloadLen -= 6;
- }
- byKeyIdx = (*(pbyIV+3) & 0xc0);
- byKeyIdx >>= 6;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
-
- if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
- if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
- (pMgmt->byCSSPK != KEY_CTL_NONE)) {
- // unicast pkt use pairwise key
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
- if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
- if (pMgmt->byCSSPK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pMgmt->byCSSPK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
- } else {
- // use group key
- KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
- if (pMgmt->byCSSGK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
- }
- }
- // our WEP only support Default Key
- if (pKey == NULL) {
- // use default group key
- KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
- if (pMgmt->byCSSGK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- }
- *pKeyOut = pKey;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode);
-
- if (pKey == NULL) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
- return false;
- }
- if (byDecMode != pKey->byCipherSuite) {
- *pKeyOut = NULL;
- return false;
- }
- if (byDecMode == KEY_CTL_WEP) {
- // handle WEP
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
- (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
- // Software WEP
- // 1. 3253A
- // 2. WEP 256
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
- memcpy(pDevice->abyPRNG, pbyIV, 3);
- memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
- rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
-
- if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- }
- }
- } else if ((byDecMode == KEY_CTL_TKIP) ||
- (byDecMode == KEY_CTL_CCMP)) {
- // TKIP/AES
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
- *pdwRxTSC47_16 = cpu_to_le32(*(u32 *)(pbyIV + 4));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16);
- if (byDecMode == KEY_CTL_TKIP) {
- *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
- } else {
- *pwRxTSC15_0 = cpu_to_le16(*(u16 *)pbyIV);
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
-
- if ((byDecMode == KEY_CTL_TKIP) &&
- (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- // Software TKIP
- // 1. 3253 A
- struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *) (pbyFrame);
- TKIPvMixKey(pKey->abyKey, pMACHeader->addr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
- rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
- if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
- }
- }
- }// end of TKIP/AES
-
- if ((*(pbyIV+3) & 0x20) != 0)
- *pbExtIV = true;
- return true;
-}
-
void RXvWorkItem(struct work_struct *work)
{
struct vnt_private *priv =
projects / platform / kernel / linux-starfive.git / commitdiff