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path: root/drivers/staging/vt6655/dpc.c
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-rw-r--r--drivers/staging/vt6655/dpc.c1668
1 files changed, 1668 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
new file mode 100644
index 000000000000..acc6d82a9544
--- /dev/null
+++ b/drivers/staging/vt6655/dpc.c
@@ -0,0 +1,1668 @@
+/*
+ * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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: dpc.c
+ *
+ * Purpose: handle dpc rx functions
+ *
+ * Author: Lyndon Chen
+ *
+ * Date: May 20, 2003
+ *
+ * Functions:
+ * device_receive_frame - Rcv 802.11 frame function
+ * s_bAPModeRxCtl- AP Rcv frame filer Ctl.
+ * s_bAPModeRxData- AP Rcv data frame handle
+ * s_bHandleRxEncryption- Rcv decrypted data via on-fly
+ * s_bHostWepRxEncryption- Rcv encrypted data via host
+ * s_byGetRateIdx- get rate index
+ * s_vGetDASA- get data offset
+ * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
+ *
+ * Revision History:
+ *
+ */
+
+
+#if !defined(__DEVICE_H__)
+#include "device.h"
+#endif
+#if !defined(__RXTX_H__)
+#include "rxtx.h"
+#endif
+#if !defined(__TETHER_H__)
+#include "tether.h"
+#endif
+#if !defined(__CARD_H__)
+#include "card.h"
+#endif
+#if !defined(__BSSDB_H__)
+#include "bssdb.h"
+#endif
+#if !defined(__MAC_H__)
+#include "mac.h"
+#endif
+#if !defined(__BASEBAND_H__)
+#include "baseband.h"
+#endif
+#if !defined(__UMEM_H__)
+#include "umem.h"
+#endif
+#if !defined(__MICHAEL_H__)
+#include "michael.h"
+#endif
+#if !defined(__TKIP_H__)
+#include "tkip.h"
+#endif
+#if !defined(__TCRC_H__)
+#include "tcrc.h"
+#endif
+#if !defined(__WCTL_H__)
+#include "wctl.h"
+#endif
+#if !defined(__WROUTE_H__)
+#include "wroute.h"
+#endif
+#if !defined(__TBIT_H__)
+#include "tbit.h"
+#endif
+#if !defined(__HOSTAP_H__)
+#include "hostap.h"
+#endif
+#if !defined(__RF_H__)
+#include "rf.h"
+#endif
+#if !defined(__IOWPA_H__)
+#include "iowpa.h"
+#endif
+#if !defined(__AES_H__)
+#include "aes_ccmp.h"
+#endif
+
+//#define PLICE_DEBUG
+
+
+/*--------------------- Static Definitions -------------------------*/
+
+/*--------------------- Static Classes ----------------------------*/
+
+/*--------------------- Static Variables --------------------------*/
+//static int msglevel =MSG_LEVEL_DEBUG;
+static int msglevel =MSG_LEVEL_INFO;
+
+const BYTE acbyRxRate[MAX_RATE] =
+{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
+
+
+/*--------------------- Static Functions --------------------------*/
+
+/*--------------------- Static Definitions -------------------------*/
+
+/*--------------------- Static Functions --------------------------*/
+
+static BYTE s_byGetRateIdx(IN BYTE byRate);
+
+
+static
+VOID
+s_vGetDASA(
+ IN PBYTE pbyRxBufferAddr,
+ OUT PUINT pcbHeaderSize,
+ OUT PSEthernetHeader psEthHeader
+ );
+
+static
+VOID
+s_vProcessRxMACHeader (
+ IN PSDevice pDevice,
+ IN PBYTE pbyRxBufferAddr,
+ IN UINT cbPacketSize,
+ IN BOOL bIsWEP,
+ IN BOOL bExtIV,
+ OUT PUINT pcbHeadSize
+ );
+
+static BOOL s_bAPModeRxCtl(
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN INT iSANodeIndex
+ );
+
+#ifdef PRIVATE_OBJ
+
+static BOOL s_bAPModeRxData (
+ IN PSDevice pDevice,
+ IN ref_sk_buff* skb,
+ IN UINT FrameSize,
+ IN UINT cbHeaderOffset,
+ IN INT iSANodeIndex,
+ IN INT iDANodeIndex
+ );
+#else
+
+static BOOL s_bAPModeRxData (
+ IN PSDevice pDevice,
+ IN struct sk_buff* skb,
+ IN UINT FrameSize,
+ IN UINT cbHeaderOffset,
+ IN INT iSANodeIndex,
+ IN INT iDANodeIndex
+ );
+#endif
+
+
+static BOOL s_bHandleRxEncryption(
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN UINT FrameSize,
+ IN PBYTE pbyRsr,
+ OUT PBYTE pbyNewRsr,
+ OUT PSKeyItem *pKeyOut,
+ OUT PBOOL pbExtIV,
+ OUT PWORD pwRxTSC15_0,
+ OUT PDWORD pdwRxTSC47_16
+ );
+
+static BOOL s_bHostWepRxEncryption(
+
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN UINT FrameSize,
+ IN PBYTE pbyRsr,
+ IN BOOL bOnFly,
+ IN PSKeyItem pKey,
+ OUT PBYTE pbyNewRsr,
+ OUT PBOOL pbExtIV,
+ OUT PWORD pwRxTSC15_0,
+ OUT PDWORD pdwRxTSC47_16
+
+ );
+
+/*--------------------- Export Variables --------------------------*/
+
+/*+
+ *
+ * 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 (
+ IN PSDevice pDevice,
+ IN PBYTE pbyRxBufferAddr,
+ IN UINT cbPacketSize,
+ IN BOOL bIsWEP,
+ IN BOOL bExtIV,
+ OUT PUINT pcbHeadSize
+ )
+{
+ PBYTE pbyRxBuffer;
+ UINT cbHeaderSize = 0;
+ PWORD pwType;
+ PS802_11Header pMACHeader;
+ int ii;
+
+
+ pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
+
+ s_vGetDASA((PBYTE)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 = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
+ if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
+ cbHeaderSize += 6;
+ }
+ else if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
+ cbHeaderSize += 6;
+ pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize);
+ if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
+ }
+ else {
+ cbHeaderSize -= 8;
+ pwType = (PWORD) (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 = (PWORD) (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 -= (U_ETHER_ADDR_LEN * 2);
+ pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+ *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++)
+ *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
+
+ *pcbHeadSize = cbHeaderSize;
+}
+
+
+
+
+static BYTE s_byGetRateIdx (IN BYTE byRate)
+{
+ BYTE byRateIdx;
+
+ for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
+ if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
+ return byRateIdx;
+ }
+ return 0;
+}
+
+
+static
+VOID
+s_vGetDASA (
+ IN PBYTE pbyRxBufferAddr,
+ OUT PUINT pcbHeaderSize,
+ OUT PSEthernetHeader psEthHeader
+ )
+{
+ UINT cbHeaderSize = 0;
+ PS802_11Header pMACHeader;
+ int ii;
+
+ pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
+
+ if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
+ if (pMACHeader->wFrameCtl & FC_FROMDS) {
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
+ }
+ }
+ else {
+ // IBSS mode
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
+ }
+ }
+ }
+ else {
+ // Is AP mode..
+ if (pMACHeader->wFrameCtl & FC_FROMDS) {
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
+ cbHeaderSize += 6;
+ }
+ }
+ else {
+ for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
+ }
+ }
+ };
+ *pcbHeaderSize = cbHeaderSize;
+}
+
+
+
+
+//PLICE_DEBUG ->
+
+VOID MngWorkItem(PVOID Context)
+{
+ PSRxMgmtPacket pRxMgmtPacket;
+ PSDevice pDevice = (PSDevice) Context;
+ //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
+ spin_lock_irq(&pDevice->lock);
+ while(pDevice->rxManeQueue.packet_num != 0)
+ {
+ pRxMgmtPacket = DeQueue(pDevice);
+ vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
+ }
+ spin_unlock_irq(&pDevice->lock);
+}
+
+
+//PLICE_DEBUG<-
+
+
+
+BOOL
+device_receive_frame (
+ IN PSDevice pDevice,
+ IN PSRxDesc pCurrRD
+ )
+{
+
+ PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo;
+#ifdef PLICE_DEBUG
+ //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
+#endif
+ struct net_device_stats* pStats=&pDevice->stats;
+#ifdef PRIVATE_OBJ
+ ref_sk_buff* skb;
+#else
+ struct sk_buff* skb;
+#endif
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+ PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket);
+ PS802_11Header p802_11Header;
+ PBYTE pbyRsr;
+ PBYTE pbyNewRsr;
+ PBYTE pbyRSSI;
+ PQWORD pqwTSFTime;
+ PWORD pwFrameSize;
+ PBYTE pbyFrame;
+ BOOL bDeFragRx = FALSE;
+ BOOL bIsWEP = FALSE;
+ UINT cbHeaderOffset;
+ UINT FrameSize;
+ WORD wEtherType = 0;
+ INT iSANodeIndex = -1;
+ INT iDANodeIndex = -1;
+ UINT ii;
+ UINT cbIVOffset;
+ BOOL bExtIV = FALSE;
+ PBYTE pbyRxSts;
+ PBYTE pbyRxRate;
+ PBYTE pbySQ;
+ UINT cbHeaderSize;
+ PSKeyItem pKey = NULL;
+ WORD wRxTSC15_0 = 0;
+ DWORD dwRxTSC47_16 = 0;
+ SKeyItem STempKey;
+ // 802.11h RPI
+ DWORD dwDuration = 0;
+ LONG ldBm = 0;
+ LONG ldBmThreshold = 0;
+ PS802_11Header pMACHeader;
+ BOOL bRxeapol_key = FALSE;
+
+// DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n");
+#ifdef PRIVATE_OBJ
+ skb = &(pRDInfo->ref_skb);
+#else
+
+ skb = pRDInfo->skb;
+#endif
+
+
+//PLICE_DEBUG->
+#if 1
+ pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
+ pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
+#endif
+//PLICE_DEBUG<-
+ pwFrameSize = (PWORD)(skb->data + 2);
+ FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
+
+ // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
+ // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
+ if ((FrameSize > 2364)||(FrameSize <= 32)) {
+ // Frame Size error drop this packet.
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n");
+ return FALSE;
+ }
+
+ pbyRxSts = (PBYTE) (skb->data);
+ pbyRxRate = (PBYTE) (skb->data + 1);
+ pbyRsr = (PBYTE) (skb->data + FrameSize - 1);
+ pbyRSSI = (PBYTE) (skb->data + FrameSize - 2);
+ pbyNewRsr = (PBYTE) (skb->data + FrameSize - 3);
+ pbySQ = (PBYTE) (skb->data + FrameSize - 4);
+ pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12);
+ pbyFrame = (PBYTE)(skb->data + 4);
+
+ // get packet size
+ FrameSize = cpu_to_le16(*pwFrameSize);
+
+ if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
+ // Min: 14 bytes ACK
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n");
+ return FALSE;
+ }
+//PLICE_DEBUG->
+#if 1
+ // update receive statistic counter
+ STAvUpdateRDStatCounter(&pDevice->scStatistic,
+ *pbyRsr,
+ *pbyNewRsr,
+ *pbyRxRate,
+ pbyFrame,
+ FrameSize);
+
+#endif
+
+ pMACHeader=(PS802_11Header)((PBYTE) (skb->data)+8);
+//PLICE_DEBUG<-
+ if (pDevice->bMeasureInProgress == TRUE) {
+ if ((*pbyRsr & RSR_CRCOK) != 0) {
+ pDevice->byBasicMap |= 0x01;
+ }
+ dwDuration = (FrameSize << 4);
+ dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
+ if (*pbyRxRate <= RATE_11M) {
+ if (BITbIsBitOn(*pbyRxSts, 0x01)) {
+ // long preamble
+ dwDuration += 192;
+ } else {
+ // short preamble
+ dwDuration += 96;
+ }
+ } else {
+ dwDuration += 16;
+ }
+ RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
+ ldBmThreshold = -57;
+ for (ii = 7; ii > 0;) {
+ if (ldBm > ldBmThreshold) {
+ break;
+ }
+ ldBmThreshold -= 5;
+ ii--;
+ }
+ pDevice->dwRPIs[ii] += dwDuration;
+ return FALSE;
+ }
+
+ if (!IS_MULTICAST_ADDRESS(pbyFrame) && !IS_BROADCAST_ADDRESS(pbyFrame)) {
+ if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) {
+ pDevice->s802_11Counter.FrameDuplicateCount++;
+ return FALSE;
+ }
+ }
+
+
+ // Use for TKIP MIC
+ s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
+
+ // filter packet send from myself
+ if (IS_ETH_ADDRESS_EQUAL((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]), 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 = (PS802_11Header) (pbyFrame);
+ // get SA NodeIndex
+ if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(p802_11Header->abyAddr2), &iSANodeIndex)) {
+#ifdef PRIVATE_OBJ
+ pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = get_jiffies();
+#else
+ pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
+#endif
+ pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
+ }
+ }
+ }
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == TRUE) {
+ return FALSE;
+ }
+ }
+ if (IS_FC_WEP(pbyFrame)) {
+ BOOL bRxDecryOK = FALSE;
+
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
+ bIsWEP = TRUE;
+ if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
+ pKey = &STempKey;
+ pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
+ pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
+ pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
+ pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
+ pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
+ memcpy(pKey->abyKey,
+ &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
+ pKey->uKeyLength
+ );
+
+ bRxDecryOK = s_bHostWepRxEncryption(pDevice,
+ pbyFrame,
+ FrameSize,
+ pbyRsr,
+ pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
+ pKey,
+ pbyNewRsr,
+ &bExtIV,
+ &wRxTSC15_0,
+ &dwRxTSC47_16);
+ } else {
+ bRxDecryOK = s_bHandleRxEncryption(pDevice,
+ pbyFrame,
+ FrameSize,
+ pbyRsr,
+ pbyNewRsr,
+ &pKey,
+ &bExtIV,
+ &wRxTSC15_0,
+ &dwRxTSC47_16);
+ }
+
+ if (bRxDecryOK) {
+ if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
+ if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
+
+ if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
+ pDevice->s802_11Counter.TKIPICVErrors++;
+ } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
+ pDevice->s802_11Counter.CCMPDecryptErrors++;
+ } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
+// pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
+ }
+ }
+ return FALSE;
+ }
+ } else {
+ DEVICE_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 CRC length
+ FrameSize -= U_CRC_LEN;
+
+ if ((BITbIsAllBitsOff(*pbyRsr, (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
+ (IS_FRAGMENT_PKT((skb->data+4)))
+ ) {
+ // defragment
+ bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV);
+ pDevice->s802_11Counter.ReceivedFragmentCount++;
+ if (bDeFragRx) {
+ // defrag complete
+#ifdef PRIVATE_OBJ
+ skb = &(pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].ref_skb);
+#else
+ skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
+#endif
+ FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
+
+ }
+ else {
+ return FALSE;
+ }
+ }
+
+
+// Management & Control frame Handle
+ if ((IS_TYPE_DATA((skb->data+4))) == FALSE) {
+ // Handle Control & Manage Frame
+
+ if (IS_TYPE_MGMT((skb->data+4))) {
+ PBYTE pbyData1;
+ PBYTE pbyData2;
+
+ pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
+ pRxPacket->cbMPDULen = FrameSize;
+ pRxPacket->uRSSI = *pbyRSSI;
+ pRxPacket->bySQ = *pbySQ;
+ HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
+ LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
+ if (bIsWEP) {
+ // strip IV
+ pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
+ pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
+ for (ii = 0; ii < (FrameSize - 4); ii++) {
+ *pbyData1 = *pbyData2;
+ pbyData1++;
+ pbyData2++;
+ }
+ }
+ pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
+ pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
+//PLICE_DEBUG->
+//EnQueue(pDevice,pRxPacket);
+
+#ifdef THREAD
+ EnQueue(pDevice,pRxPacket);
+
+ //printk("enque time is %x\n",jiffies);
+ //up(&pDevice->mlme_semaphore);
+ //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
+#else
+
+#ifdef TASK_LET
+ EnQueue(pDevice,pRxPacket);
+ tasklet_schedule(&pDevice->RxMngWorkItem);
+#else
+//printk("RxMan\n");
+ vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket);
+ //tasklet_schedule(&pDevice->RxMngWorkItem);
+#endif
+
+#endif
+//PLICE_DEBUG<-
+ //vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket);
+ // hostap Deamon handle 802.11 management
+ if (pDevice->bEnableHostapd) {
+ skb->dev = pDevice->apdev;
+#ifdef PRIVATE_OBJ
+ ref_skb_add_offset(skb->skb, 4);
+ ref_skb_set_dev(pDevice->apdev, skb->skb);
+ skb_put(skb->skb, FrameSize);
+ skb->mac_header = skb->data;
+ *(skb->pkt_type) = PACKET_OTHERHOST;
+ *(skb->protocol) = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb->skb);
+#else
+ skb->data += 4;
+ skb->tail += 4;
+ skb_put(skb, FrameSize);
+ skb->mac_header = skb->data;
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+#endif
+ return TRUE;
+ }
+ }
+ 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 (BITbIsBitOff(*pbyRsr, RSR_BSSIDOK)) {
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_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) ||
+ BITbIsBitOff(*pbyRsr, RSR_BSSIDOK)) {
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_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--->
+ {
+ BYTE Protocol_Version; //802.1x Authentication
+ BYTE Packet_Type; //802.1x Authentication
+ 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;
+ }
+ }
+ }
+ //mike add:station mode check eapol-key challenge<---
+ }
+ }
+
+// Data frame Handle
+
+ if (pDevice->bEnablePSMode) {
+ if (IS_FC_MOREDATA((skb->data+4))) {
+ if (BITbIsBitOn(*pbyRsr, RSR_ADDROK)) {
+ //PSbSendPSPOLL((PSDevice)pDevice);
+ }
+ }
+ else {
+ if (pDevice->pMgmt->bInTIMWake == TRUE) {
+ pDevice->pMgmt->bInTIMWake = FALSE;
+ }
+ }
+ };
+
+ // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
+ if (pDevice->bDiversityEnable && (FrameSize>50) &&
+ (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
+ (pDevice->bLinkPass == TRUE)) {
+ //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
+ BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
+ }
+
+
+ if (pDevice->byLocalID != REV_ID_VT3253_B1) {
+ pDevice->uCurrRSSI = *pbyRSSI;
+ }
+ pDevice->byCurrSQ = *pbySQ;
+
+ if ((*pbyRSSI != 0) &&
+ (pMgmt->pCurrBSS!=NULL)) {
+ RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
+ // Moniter 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 ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){
+ BYTE abyMacHdr[24];
+
+ // Only 802.1x packet incoming allowed
+ if (bIsWEP)
+ cbIVOffset = 8;
+ else
+ cbIVOffset = 0;
+ wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
+ skb->data[cbIVOffset + 4 + 24 + 6 + 1];
+
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType);
+ if (wEtherType == ETH_P_PAE) {
+ skb->dev = pDevice->apdev;
+
+ if (bIsWEP == TRUE) {
+ // strip IV header(8)
+ memcpy(&abyMacHdr[0], (skb->data + 4), 24);
+ memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
+ }
+#ifdef PRIVATE_OBJ
+ ref_skb_add_offset(skb->skb, (cbIVOffset + 4));
+ ref_skb_set_dev(pDevice->apdev, skb->skb);
+ skb_put(skb->skb, FrameSize);
+ skb->mac_header = skb->data;
+ *(skb->pkt_type) = PACKET_OTHERHOST;
+ *(skb->protocol) = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb->skb);
+#else
+ skb->data += (cbIVOffset + 4);
+ skb->tail += (cbIVOffset + 4);
+ skb_put(skb, FrameSize);
+ skb->mac_header = skb->data;
+
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+#endif
+ return TRUE;
+
+}
+ // check if 802.1x authorized
+ if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
+ return FALSE;
+ }
+
+
+ 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) {
+ PDWORD pdwMIC_L;
+ PDWORD pdwMIC_R;
+ DWORD dwMIC_Priority;
+ DWORD dwMICKey0 = 0, dwMICKey1 = 0;
+ DWORD dwLocalMIC_L = 0;
+ DWORD dwLocalMIC_R = 0;
+ viawget_wpa_header *wpahdr;
+
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
+ dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
+ }
+ else {
+ if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
+ dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
+ dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
+ } else if ((pKey->dwKeyIndex & BIT28) == 0) {
+ dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
+ dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
+ } else {
+ dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
+ dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
+ }
+ }
+
+ MIC_vInit(dwMICKey0, dwMICKey1);
+ MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
+ dwMIC_Priority = 0;
+ MIC_vAppend((PBYTE)&dwMIC_Priority, 4);
+ // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
+ MIC_vAppend((PBYTE)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
+ FrameSize - WLAN_HDR_ADDR3_LEN - 8);
+ MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
+ MIC_vUnInit();
+
+ pdwMIC_L = (PDWORD)(skb->data + 4 + FrameSize);
+ pdwMIC_R = (PDWORD)(skb->data + 4 + FrameSize + 4);
+ //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R));
+ //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R));
+ //DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1);
+
+
+ if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
+ (pDevice->bRxMICFail == TRUE)) {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
+ pDevice->bRxMICFail = FALSE;
+ //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
+ pDevice->s802_11Counter.TKIPLocalMICFailures++;
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+
+//2008-0409-07, <Add> by Einsn Liu
+ #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
+ //send event to wpa_supplicant
+ //if(pDevice->bWPADevEnable == 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->abyAddr2, ETH_ALEN);
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = sizeof(ev);
+ wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
+
+ }
+ #endif
+ if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
+ wpahdr = (viawget_wpa_header *)pDevice->skb->data;
+ if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
+ (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
+ (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
+ //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
+ wpahdr->type = VIAWGET_PTK_MIC_MSG;
+ } else {
+ //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
+ wpahdr->type = VIAWGET_GTK_MIC_MSG;
+ }
+ wpahdr->resp_ie_len = 0;
+ wpahdr->req_ie_len = 0;
+ skb_put(pDevice->skb, sizeof(viawget_wpa_header));
+ pDevice->skb->dev = pDevice->wpadev;
+ pDevice->skb->mac_header = pDevice->skb->data;
+ pDevice->skb->pkt_type = PACKET_HOST;
+ pDevice->skb->protocol = htons(ETH_P_802_2);
+ memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
+ netif_rx(pDevice->skb);
+ pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
+ };
+
+ return FALSE;
+
+ }
+ }
+ } //---end of SOFT MIC-----------------------------------------------------------------------
+
+ // ++++++++++ Reply Counter Check +++++++++++++
+
+ if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
+ (pKey->byCipherSuite == KEY_CTL_CCMP))) {
+ if (bIsWEP) {
+ WORD wLocalTSC15_0 = 0;
+ DWORD dwLocalTSC47_16 = 0;
+ ULONGLONG RSC = 0;
+ // endian issues
+ RSC = *((ULONGLONG *) &(pKey->KeyRSC));
+ wLocalTSC15_0 = (WORD) RSC;
+ dwLocalTSC47_16 = (DWORD) (RSC>>16);
+
+ RSC = dwRxTSC47_16;
+ RSC <<= 16;
+ RSC += wRxTSC15_0;
+ MEMvCopy(&(pKey->KeyRSC), &RSC, sizeof(QWORD));
+
+ if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
+ (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
+ // check RSC
+ if ( (wRxTSC15_0 < wLocalTSC15_0) &&
+ (dwRxTSC47_16 <= dwLocalTSC47_16) &&
+ !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
+ if (pKey->byCipherSuite == KEY_CTL_TKIP)
+ //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
+ pDevice->s802_11Counter.TKIPReplays++;
+ else
+ //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
+ pDevice->s802_11Counter.CCMPReplays++;
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return FALSE;
+ }
+ }
+ }
+ } // ----- End of Reply Counter Check --------------------------
+
+
+
+ if ((pKey != NULL) && (bIsWEP)) {
+// pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
+ }
+
+
+ s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
+ FrameSize -= cbHeaderOffset;
+ cbHeaderOffset += 4; // 4 is Rcv buffer header
+
+ // Null data, framesize = 14
+ if (FrameSize < 15)
+ return FALSE;
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ if (s_bAPModeRxData(pDevice,
+ skb,
+ FrameSize,
+ cbHeaderOffset,
+ iSANodeIndex,
+ iDANodeIndex
+ ) == FALSE) {
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return FALSE;
+ }
+
+// if(pDevice->bRxMICFail == FALSE) {
+// for (ii =0; ii < 100; ii++)
+// printk(" %02x", *(skb->data + ii));
+// printk("\n");
+// }
+
+ }
+
+#ifdef PRIVATE_OBJ
+ ref_skb_add_offset(skb->skb, cbHeaderOffset);
+ skb_put(skb->skb, FrameSize);
+ *(skb->protocol)=eth_type_trans(skb->skb, skb->dev);
+
+#else
+ skb->data += cbHeaderOffset;
+ skb->tail += cbHeaderOffset;
+ skb_put(skb, FrameSize);
+ skb->protocol=eth_type_trans(skb, skb->dev);
+#endif
+
+
+ //drop frame not met IEEE 802.3
+/*
+ if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
+#ifdef PRIVATE_OBJ
+ if ((*(skb->protocol)==htons(ETH_P_802_3)) &&
+ (*(skb->len)!=htons(skb->mac.ethernet->h_proto))) {
+#else
+ if ((skb->protocol==htons(ETH_P_802_3)) &&
+ (skb->len!=htons(skb->mac.ethernet->h_proto))) {
+#endif
+ pStats->rx_length_errors++;
+ pStats->rx_dropped++;
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return FALSE;
+ }
+ }
+*/
+
+#ifdef PRIVATE_OBJ
+ *(skb->ip_summed)=CHECKSUM_NONE;
+ pStats->rx_bytes +=*(skb->len);
+ pStats->rx_packets++;
+ netif_rx(skb->skb);
+#else
+ skb->ip_summed=CHECKSUM_NONE;
+ pStats->rx_bytes +=skb->len;
+ pStats->rx_packets++;
+ netif_rx(skb);
+#endif
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ return FALSE;
+ }
+ return TRUE;
+}
+
+
+static BOOL s_bAPModeRxCtl (
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN INT iSANodeIndex
+ )
+{
+ PS802_11Header p802_11Header;
+ CMD_STATUS Status;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+
+
+ if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
+
+ p802_11Header = (PS802_11Header) (pbyFrame);
+ if (!IS_TYPE_MGMT(pbyFrame)) {
+
+ // Data & PS-Poll packet
+ // check frame class
+ if (iSANodeIndex > 0) {
+ // frame class 3 fliter & checking
+ if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
+ // send deauth notification
+ // reason = (6) class 2 received from nonauth sta
+ vMgrDeAuthenBeginSta(pDevice,
+ pMgmt,
+ (PBYTE)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS2_NONAUTH),
+ &Status
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
+ return TRUE;
+ };
+ if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
+ // send deassoc notification
+ // reason = (7) class 3 received from nonassoc sta
+ vMgrDisassocBeginSta(pDevice,
+ pMgmt,
+ (PBYTE)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS3_NONASSOC),
+ &Status
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
+ return TRUE;
+ };
+
+ if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
+ // delcare received ps-poll event
+ if (IS_CTL_PSPOLL(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
+ bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
+ }
+ else {
+ // check Data PS state
+ // if PW bit off, send out all PS bufferring packets.
+ if (!IS_FC_POWERMGT(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
+ bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
+ }
+ }
+ }
+ else {
+ if (IS_FC_POWERMGT(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = TRUE;
+ // Once if STA in PS state, enable multicast bufferring
+ pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
+ }
+ else {
+ // clear all pending PS frame.
+ if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
+ bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
+
+ }
+ }
+ }
+ }
+ else {
+ vMgrDeAuthenBeginSta(pDevice,
+ pMgmt,
+ (PBYTE)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS2_NONAUTH),
+ &Status
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%02x-%02x-%02x=%02x-%02x-%02x \n",
+ p802_11Header->abyAddr3[0],
+ p802_11Header->abyAddr3[1],
+ p802_11Header->abyAddr3[2],
+ p802_11Header->abyAddr3[3],
+ p802_11Header->abyAddr3[4],
+ p802_11Header->abyAddr3[5]
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n",
+ p802_11Header->abyAddr2[0],
+ p802_11Header->abyAddr2[1],
+ p802_11Header->abyAddr2[2],
+ p802_11Header->abyAddr2[3],
+ p802_11Header->abyAddr2[4],
+ p802_11Header->abyAddr2[5]
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n",
+ p802_11Header->abyAddr1[0],
+ p802_11Header->abyAddr1[1],
+ p802_11Header->abyAddr1[2],
+ p802_11Header->abyAddr1[3],
+ p802_11Header->abyAddr1[4],
+ p802_11Header->abyAddr1[5]
+ );
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl );
+ VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode );
+ return TRUE;
+ }
+ }
+ }
+ return FALSE;
+
+}
+
+static BOOL s_bHandleRxEncryption (
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN UINT FrameSize,
+ IN PBYTE pbyRsr,
+ OUT PBYTE pbyNewRsr,
+ OUT PSKeyItem *pKeyOut,
+ OUT PBOOL pbExtIV,
+ OUT PWORD pwRxTSC15_0,
+ OUT PDWORD pdwRxTSC47_16
+ )
+{
+ UINT PayloadLen = FrameSize;
+ PBYTE pbyIV;
+ BYTE byKeyIdx;
+ PSKeyItem pKey = NULL;
+ BYTE byDecMode = KEY_CTL_WEP;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+
+
+ *pwRxTSC15_0 = 0;
+ *pdwRxTSC47_16 = 0;
+
+ pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
+ if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
+ WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
+ pbyIV += 6; // 6 is 802.11 address4
+ PayloadLen -= 6;
+ }
+ byKeyIdx = (*(pbyIV+3) & 0xc0);
+ byKeyIdx >>= 6;
+ DEVICE_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) &&
+ (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
+ // unicast pkt use pairwise key
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
+ if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) {
+ if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ }
+ DEVICE_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 (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ DEVICE_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 (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ }
+ *pKeyOut = pKey;
+
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
+
+ if (pKey == NULL) {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == TRUE) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ return FALSE;
+ }
+ if (byDecMode != pKey->byCipherSuite) {
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == TRUE) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ *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
+ MEMvCopy(pDevice->abyPRNG, pbyIV, 3);
+ MEMvCopy(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(*(PDWORD)(pbyIV + 4));
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
+ } else {
+ *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV);
+ }
+ DEVICE_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
+ PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame);
+ TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *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;
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
+ } else {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
+ }
+ }
+ }// end of TKIP/AES
+
+ if ((*(pbyIV+3) & 0x20) != 0)
+ *pbExtIV = TRUE;
+ return TRUE;
+}
+
+
+static BOOL s_bHostWepRxEncryption (
+ IN PSDevice pDevice,
+ IN PBYTE pbyFrame,
+ IN UINT FrameSize,
+ IN PBYTE pbyRsr,
+ IN BOOL bOnFly,
+ IN PSKeyItem pKey,
+ OUT PBYTE pbyNewRsr,
+ OUT PBOOL pbExtIV,
+ OUT PWORD pwRxTSC15_0,
+ OUT PDWORD pdwRxTSC47_16
+ )
+{
+ UINT PayloadLen = FrameSize;
+ PBYTE pbyIV;
+ BYTE byKeyIdx;
+ BYTE byDecMode = KEY_CTL_WEP;
+ PS802_11Header pMACHeader;
+
+
+
+ *pwRxTSC15_0 = 0;
+ *pdwRxTSC47_16 = 0;
+
+ pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
+ if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
+ WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
+ pbyIV += 6; // 6 is 802.11 address4
+ PayloadLen -= 6;
+ }
+ byKeyIdx = (*(pbyIV+3) & 0xc0);
+ byKeyIdx >>= 6;
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
+
+
+ if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
+
+ if (byDecMode != pKey->byCipherSuite) {
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == TRUE) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ return FALSE;
+ }
+
+ if (byDecMode == KEY_CTL_WEP) {
+ // handle WEP
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n");
+ if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
+ (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE) ||
+ (bOnFly == FALSE)) {
+ // Software WEP
+ // 1. 3253A
+ // 2. WEP 256
+ // 3. NotOnFly
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
+ MEMvCopy(pDevice->abyPRNG, pbyIV, 3);
+ MEMvCopy(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(*(PDWORD)(pbyIV + 4));
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
+
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
+ } else {
+ *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV);
+ }
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
+
+ if (byDecMode == KEY_CTL_TKIP) {
+ if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == FALSE)) {
+ // Software TKIP
+ // 1. 3253 A
+ // 2. NotOnFly
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n");
+ pMACHeader = (PS802_11Header) (pbyFrame);
+ TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *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;
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
+ } else {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
+ }
+ }
+ }
+
+ if (byDecMode == KEY_CTL_CCMP) {
+ if (bOnFly == FALSE) {
+ // Software CCMP
+ // NotOnFly
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n");
+ if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n");
+ } else {
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n");
+ }
+ }
+ }
+
+ }// end of TKIP/AES
+
+ if ((*(pbyIV+3) & 0x20) != 0)
+ *pbExtIV = TRUE;
+ return TRUE;
+}
+
+
+
+
+#ifdef PRIVATE_OBJ
+
+static BOOL s_bAPModeRxData (
+ IN PSDevice pDevice,
+ IN ref_sk_buff* skb,
+ IN UINT FrameSize,
+ IN UINT cbHeaderOffset,
+ IN INT iSANodeIndex,
+ IN INT iDANodeIndex
+ )
+
+#else
+
+static BOOL s_bAPModeRxData (
+ IN PSDevice pDevice,
+ IN struct sk_buff* skb,
+ IN UINT FrameSize,
+ IN UINT cbHeaderOffset,
+ IN INT iSANodeIndex,
+ IN INT iDANodeIndex
+ )
+#endif
+{
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+ BOOL bRelayAndForward = FALSE;
+ BOOL bRelayOnly = FALSE;
+ BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+ WORD wAID;
+#ifdef PRIVATE_OBJ
+ struct sk_buff* tmp_skb;
+ ref_sk_buff s_ref_skb;
+ ref_sk_buff* skbcpy = &s_ref_skb;
+#else
+ struct sk_buff* skbcpy = NULL;
+#endif
+
+
+
+ if (FrameSize > CB_MAX_BUF_SIZE)
+ return FALSE;
+ // check DA
+ if(IS_MULTICAST_ADDRESS((PBYTE)(skb->data+cbHeaderOffset))) {
+ if (pMgmt->sNodeDBTable[0].bPSEnable) {
+
+#ifdef PRIVATE_OBJ
+ tmp_skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
+ skbcpy = &s_ref_skb;
+ ref_skb_remap(pDevice->dev, skbcpy, tmp_skb);
+#else
+ skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
+#endif
+ // if any node in PS mode, buffer packet until DTIM.
+ if (skbcpy == NULL) {
+ DEVICE_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
+ }
+ else {
+ skbcpy->dev = pDevice->dev;
+#ifdef PRIVATE_OBJ
+ *(skbcpy->len) = FrameSize;
+ memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
+ skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy->skb);
+#else
+ skbcpy->len = FrameSize;
+ memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
+ skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
+#endif
+ pMgmt->sNodeDBTable[0].wEnQueueCnt++;
+ // set tx map
+ pMgmt->abyPSTxMap[0] |= byMask[0];
+ }
+ }
+ else {
+ bRelayAndForward = TRUE;
+ }
+ }
+ else {
+ // check if relay
+ if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
+ if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
+ if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
+ // queue this skb until next PS tx, and then release.
+
+#ifdef PRIVATE_OBJ
+ ref_skb_add_offset(skb->skb, cbHeaderOffset);
+ skb_put(skb->skb, FrameSize);
+ skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb->skb);
+#else
+ skb->data += cbHeaderOffset;
+ skb->tail += cbHeaderOffset;
+ skb_put(skb, FrameSize);
+ skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
+#endif
+ pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
+ wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
+ pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
+ DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
+ iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
+ return TRUE;
+ }
+ else {
+ bRelayOnly = TRUE;
+ }
+ }
+ };
+ }
+
+ if (bRelayOnly || bRelayAndForward) {
+ // relay this packet right now
+ if (bRelayAndForward)
+ iDANodeIndex = 0;
+
+ if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
+ ROUTEbRelay(pDevice, (PBYTE)(skb->data + cbHeaderOffset), FrameSize, (UINT)iDANodeIndex);
+ }
+
+ if (bRelayOnly)
+ return FALSE;
+ }
+ // none associate, don't forward
+ if (pDevice->uAssocCount == 0)
+ return FALSE;
+
+ return TRUE;
+}
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.