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@@ -25,1302 +25,16 @@
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* Date: May 20, 2003
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*
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* Functions:
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- * device_receive_frame - Rcv 802.11 frame function
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- * s_bAPModeRxCtl- AP Rcv frame filer Ctl.
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- * s_bAPModeRxData- AP Rcv data frame handle
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- * s_bHandleRxEncryption- Rcv decrypted data via on-fly
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- * s_bHostWepRxEncryption- Rcv encrypted data via host
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- * s_byGetRateIdx- get rate index
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- * s_vGetDASA- get data offset
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- * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
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*
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* Revision History:
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*
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*/
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#include "device.h"
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-#include "rxtx.h"
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-#include "tether.h"
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-#include "card.h"
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-#include "bssdb.h"
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-#include "mac.h"
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#include "baseband.h"
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-#include "michael.h"
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-#include "tkip.h"
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-#include "tcrc.h"
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-#include "wctl.h"
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-#include "wroute.h"
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#include "rf.h"
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-#include "iowpa.h"
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-#include "aes_ccmp.h"
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#include "dpc.h"
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-/*--------------------- Static Definitions -------------------------*/
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-
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-/*--------------------- Static Classes ----------------------------*/
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-
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-/*--------------------- Static Variables --------------------------*/
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-static const unsigned char acbyRxRate[MAX_RATE] =
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-{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
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-
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-/*--------------------- Static Functions --------------------------*/
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-
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-/*--------------------- Static Definitions -------------------------*/
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-
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-/*--------------------- Static Functions --------------------------*/
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-
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-static unsigned char s_byGetRateIdx(unsigned char byRate);
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-
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-static void
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-s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
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- PSEthernetHeader psEthHeader);
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-
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-static void
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-s_vProcessRxMACHeader(struct vnt_private *pDevice, unsigned char *pbyRxBufferAddr,
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- unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
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- unsigned int *pcbHeadSize);
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-
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-static bool s_bAPModeRxCtl(
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- struct vnt_private *pDevice,
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- unsigned char *pbyFrame,
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- int iSANodeIndex
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-);
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-
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-static bool s_bAPModeRxData(
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- struct vnt_private *pDevice,
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- struct sk_buff *skb,
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- unsigned int FrameSize,
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- unsigned int cbHeaderOffset,
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- int iSANodeIndex,
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- int iDANodeIndex
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-);
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-
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-static bool s_bHandleRxEncryption(
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- struct vnt_private *pDevice,
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- unsigned char *pbyFrame,
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- unsigned int FrameSize,
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- unsigned char *pbyRsr,
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- unsigned char *pbyNewRsr,
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- PSKeyItem *pKeyOut,
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- bool *pbExtIV,
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- unsigned short *pwRxTSC15_0,
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- unsigned long *pdwRxTSC47_16
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-);
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-
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-static bool s_bHostWepRxEncryption(
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-
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- struct vnt_private *pDevice,
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- unsigned char *pbyFrame,
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- unsigned int FrameSize,
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- unsigned char *pbyRsr,
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- bool bOnFly,
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- PSKeyItem pKey,
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- unsigned char *pbyNewRsr,
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- bool *pbExtIV,
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- unsigned short *pwRxTSC15_0,
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- unsigned long *pdwRxTSC47_16
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-
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-);
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-
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-/*--------------------- Export Variables --------------------------*/
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-
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-/*+
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- *
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- * Description:
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- * Translate Rcv 802.11 header to 802.3 header with Rx buffer
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- *
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- * Parameters:
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- * In:
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- * pDevice
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- * dwRxBufferAddr - Address of Rcv Buffer
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- * cbPacketSize - Rcv Packet size
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- * bIsWEP - If Rcv with WEP
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- * Out:
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- * pcbHeaderSize - 802.11 header size
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- *
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- * Return Value: None
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- *
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- -*/
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-static void
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-s_vProcessRxMACHeader(struct vnt_private *pDevice,
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- unsigned char *pbyRxBufferAddr,
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- unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
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- unsigned int *pcbHeadSize)
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-{
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- unsigned char *pbyRxBuffer;
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- unsigned int cbHeaderSize = 0;
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- unsigned short *pwType;
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- PS802_11Header pMACHeader;
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- int ii;
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-
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- pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
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-
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- s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
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-
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- if (bIsWEP) {
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- if (bExtIV) {
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- /* strip IV&ExtIV, add 8 byte */
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- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
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- } else {
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- /* strip IV, add 4 byte */
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- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
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- }
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- } else {
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- cbHeaderSize += WLAN_HDR_ADDR3_LEN;
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- }
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-
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- pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
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- if (ether_addr_equal(pbyRxBuffer, pDevice->abySNAP_Bridgetunnel)) {
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- cbHeaderSize += 6;
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- } else if (ether_addr_equal(pbyRxBuffer, pDevice->abySNAP_RFC1042)) {
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- cbHeaderSize += 6;
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- pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
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- if ((*pwType != TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
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- } else {
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- cbHeaderSize -= 8;
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- pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
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- if (bIsWEP) {
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- if (bExtIV)
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); /* 8 is IV&ExtIV */
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- else
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); /* 4 is IV */
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-
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- } else {
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
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- }
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- }
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- } else {
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- cbHeaderSize -= 2;
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- pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
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- if (bIsWEP) {
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- if (bExtIV)
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); /* 8 is IV&ExtIV */
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- else
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); /* 4 is IV */
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-
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- } else {
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- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
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- }
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- }
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-
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- cbHeaderSize -= (ETH_ALEN * 2);
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- pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
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- for (ii = 0; ii < ETH_ALEN; ii++)
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- *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
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- for (ii = 0; ii < ETH_ALEN; ii++)
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- *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
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-
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- *pcbHeadSize = cbHeaderSize;
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-}
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-
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-static unsigned char s_byGetRateIdx(unsigned char byRate)
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-{
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- unsigned char byRateIdx;
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-
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- for (byRateIdx = 0; byRateIdx < MAX_RATE; byRateIdx++) {
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- if (acbyRxRate[byRateIdx % MAX_RATE] == byRate)
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- return byRateIdx;
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- }
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-
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- return 0;
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-}
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-
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-static void
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-s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
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- PSEthernetHeader psEthHeader)
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-{
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- unsigned int cbHeaderSize = 0;
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- PS802_11Header pMACHeader;
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- int ii;
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-
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- pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
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-
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- if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
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- if (pMACHeader->wFrameCtl & FC_FROMDS) {
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- for (ii = 0; ii < ETH_ALEN; ii++) {
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- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
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- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
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- }
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- } else {
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- /* IBSS mode */
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- for (ii = 0; ii < ETH_ALEN; ii++) {
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- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
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- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
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- }
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- }
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- } else {
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- /* Is AP mode.. */
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- if (pMACHeader->wFrameCtl & FC_FROMDS) {
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- for (ii = 0; ii < ETH_ALEN; ii++) {
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- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
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- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
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- cbHeaderSize += 6;
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- }
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- } else {
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- for (ii = 0; ii < ETH_ALEN; ii++) {
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- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
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- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
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- }
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- }
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- }
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- *pcbHeaderSize = cbHeaderSize;
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-}
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-
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-bool
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-device_receive_frame(
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- struct vnt_private *pDevice,
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- PSRxDesc pCurrRD
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-)
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-{
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- PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo;
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- struct net_device_stats *pStats = &pDevice->dev->stats;
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- struct sk_buff *skb;
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- PSMgmtObject pMgmt = pDevice->pMgmt;
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- PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket);
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- PS802_11Header p802_11Header;
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- unsigned char *pbyRsr;
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- unsigned char *pbyNewRsr;
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- unsigned char *pbyRSSI;
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- __le64 *pqwTSFTime;
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- unsigned short *pwFrameSize;
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- unsigned char *pbyFrame;
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- bool bDeFragRx = false;
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- bool bIsWEP = false;
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- unsigned int cbHeaderOffset;
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- unsigned int FrameSize;
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- unsigned short wEtherType = 0;
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- int iSANodeIndex = -1;
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- int iDANodeIndex = -1;
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- unsigned int ii;
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- unsigned int cbIVOffset;
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- bool bExtIV = false;
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- unsigned char *pbyRxSts;
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- unsigned char *pbyRxRate;
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- unsigned char *pbySQ;
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- unsigned int cbHeaderSize;
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- PSKeyItem pKey = NULL;
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- unsigned short wRxTSC15_0 = 0;
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- unsigned long dwRxTSC47_16 = 0;
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- SKeyItem STempKey;
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- /* 802.11h RPI */
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- unsigned long dwDuration = 0;
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- long ldBm = 0;
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- long ldBmThreshold = 0;
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- PS802_11Header pMACHeader;
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- bool bRxeapol_key = false;
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-
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- skb = pRDInfo->skb;
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-
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- pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
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- pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
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-
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- pwFrameSize = (unsigned short *)(skb->data + 2);
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- FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
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-
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- /*
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- * Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
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- * Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
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- */
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- if ((FrameSize > 2364) || (FrameSize <= 32)) {
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- /* Frame Size error drop this packet. */
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- pr_debug("---------- WRONG Length 1\n");
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- return false;
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- }
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-
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- pbyRxSts = (unsigned char *)(skb->data);
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- pbyRxRate = (unsigned char *)(skb->data + 1);
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- pbyRsr = (unsigned char *)(skb->data + FrameSize - 1);
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- pbyRSSI = (unsigned char *)(skb->data + FrameSize - 2);
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- pbyNewRsr = (unsigned char *)(skb->data + FrameSize - 3);
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- pbySQ = (unsigned char *)(skb->data + FrameSize - 4);
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- pqwTSFTime = (__le64 *)(skb->data + FrameSize - 12);
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- pbyFrame = (unsigned char *)(skb->data + 4);
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-
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- /* get packet size */
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- FrameSize = cpu_to_le16(*pwFrameSize);
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-
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- if ((FrameSize > 2346)|(FrameSize < 14)) { /*
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- * Max: 2312Payload + 30HD +4CRC
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- * Min: 14 bytes ACK
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- */
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- pr_debug("---------- WRONG Length 2\n");
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- return false;
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- }
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-
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- /* update receive statistic counter */
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- STAvUpdateRDStatCounter(&pDevice->scStatistic,
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- *pbyRsr,
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- *pbyNewRsr,
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- *pbyRxRate,
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- pbyFrame,
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- FrameSize);
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-
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- pMACHeader = (PS802_11Header)((unsigned char *)(skb->data) + 8);
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-
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- if (pDevice->bMeasureInProgress) {
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- if ((*pbyRsr & RSR_CRCOK) != 0)
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- pDevice->byBasicMap |= 0x01;
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-
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- dwDuration = FrameSize << 4;
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- dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
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- if (*pbyRxRate <= RATE_11M) {
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- if (*pbyRxSts & 0x01) {
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- /* long preamble */
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- dwDuration += 192;
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- } else {
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- /* short preamble */
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- dwDuration += 96;
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- }
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- } else {
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- dwDuration += 16;
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- }
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- RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
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- ldBmThreshold = -57;
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- for (ii = 7; ii > 0;) {
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- if (ldBm > ldBmThreshold)
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- break;
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-
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- ldBmThreshold -= 5;
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- ii--;
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- }
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- pDevice->dwRPIs[ii] += dwDuration;
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- return false;
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- }
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-
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- if (!is_multicast_ether_addr(pbyFrame)) {
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- if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header)(skb->data + 4))) {
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- pDevice->s802_11Counter.FrameDuplicateCount++;
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- return false;
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- }
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- }
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-
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- /* Use for TKIP MIC */
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- s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
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-
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- /* filter packet send from myself */
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- if (ether_addr_equal(pDevice->sRxEthHeader.abySrcAddr,
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- pDevice->abyCurrentNetAddr))
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- return false;
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-
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- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
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- if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
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- p802_11Header = (PS802_11Header)(pbyFrame);
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- /* get SA NodeIndex */
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- if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
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- pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
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- pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
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- }
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- }
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- }
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-
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- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
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- if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex))
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|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- if (IS_FC_WEP(pbyFrame)) {
|
|
|
- bool bRxDecryOK = false;
|
|
|
-
|
|
|
- pr_debug("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) {
|
|
|
- pr_debug("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++;
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
- } else {
|
|
|
- pr_debug("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 -= ETH_FCS_LEN;
|
|
|
-
|
|
|
- if ((!(*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 */
|
|
|
- skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
|
|
|
- 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))) {
|
|
|
- unsigned char *pbyData1;
|
|
|
- unsigned char *pbyData2;
|
|
|
-
|
|
|
- pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
|
|
|
- pRxPacket->cbMPDULen = FrameSize;
|
|
|
- pRxPacket->uRSSI = *pbyRSSI;
|
|
|
- pRxPacket->bySQ = *pbySQ;
|
|
|
- pRxPacket->qwLocalTSF = le64_to_cpu(*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;
|
|
|
-
|
|
|
- vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
|
|
|
-
|
|
|
- /* hostap Deamon handle 802.11 management */
|
|
|
- if (pDevice->bEnableHostapd) {
|
|
|
- skb->dev = pDevice->apdev;
|
|
|
- skb->data += 4;
|
|
|
- skb->tail += 4;
|
|
|
- skb_put(skb, FrameSize);
|
|
|
- skb_reset_mac_header(skb);
|
|
|
- skb->pkt_type = PACKET_OTHERHOST;
|
|
|
- skb->protocol = htons(ETH_P_802_2);
|
|
|
- memset(skb->cb, 0, sizeof(skb->cb));
|
|
|
- netif_rx(skb);
|
|
|
- return true;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- 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])) {
|
|
|
- pr_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 || !(*pbyRsr & RSR_BSSIDOK)) {
|
|
|
- if (bDeFragRx) {
|
|
|
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
|
- pr_err("%s: can not alloc more frag bufs\n",
|
|
|
- pDevice->dev->name);
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
- {
|
|
|
- unsigned char Protocol_Version; /* 802.1x Authentication */
|
|
|
- unsigned char 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;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-/* Data frame Handle */
|
|
|
-
|
|
|
- if (pDevice->bEnablePSMode) {
|
|
|
- if (!IS_FC_MOREDATA((skb->data+4))) {
|
|
|
- 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->op_mode == NL80211_IFTYPE_STATION) &&
|
|
|
- pDevice->bLinkPass) {
|
|
|
- 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);
|
|
|
- /* 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 ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && pDevice->bEnable8021x) {
|
|
|
- unsigned char 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];
|
|
|
-
|
|
|
- pr_debug("wEtherType = %04x\n", wEtherType);
|
|
|
- if (wEtherType == ETH_P_PAE) {
|
|
|
- skb->dev = pDevice->apdev;
|
|
|
-
|
|
|
- if (bIsWEP) {
|
|
|
- /* strip IV header(8) */
|
|
|
- memcpy(&abyMacHdr[0], (skb->data + 4), 24);
|
|
|
- memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
|
|
|
- }
|
|
|
- skb->data += (cbIVOffset + 4);
|
|
|
- skb->tail += (cbIVOffset + 4);
|
|
|
- skb_put(skb, FrameSize);
|
|
|
- skb_reset_mac_header(skb);
|
|
|
-
|
|
|
- skb->pkt_type = PACKET_OTHERHOST;
|
|
|
- skb->protocol = htons(ETH_P_802_2);
|
|
|
- memset(skb->cb, 0, sizeof(skb->cb));
|
|
|
- netif_rx(skb);
|
|
|
- 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) {
|
|
|
- __le32 *pdwMIC_L;
|
|
|
- __le32 *pdwMIC_R;
|
|
|
- __le32 dwMIC_Priority;
|
|
|
- __le32 dwMICKey0 = 0, dwMICKey1 = 0;
|
|
|
- u32 dwLocalMIC_L = 0;
|
|
|
- u32 dwLocalMIC_R = 0;
|
|
|
- viawget_wpa_header *wpahdr;
|
|
|
-
|
|
|
- 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 (pDevice->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((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
|
|
|
- dwMIC_Priority = 0;
|
|
|
- MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
|
|
|
- /* 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. */
|
|
|
- MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
|
|
|
- FrameSize - WLAN_HDR_ADDR3_LEN - 8);
|
|
|
- MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
|
|
|
- MIC_vUnInit();
|
|
|
-
|
|
|
- pdwMIC_L = (__le32 *)(skb->data + 4 + FrameSize);
|
|
|
- pdwMIC_R = (__le32 *)(skb->data + 4 + FrameSize + 4);
|
|
|
-
|
|
|
- if ((le32_to_cpu(*pdwMIC_L) != dwLocalMIC_L) ||
|
|
|
- (le32_to_cpu(*pdwMIC_R) != dwLocalMIC_R) ||
|
|
|
- pDevice->bRxMICFail) {
|
|
|
- pr_debug("MIC comparison is fail!\n");
|
|
|
- pDevice->bRxMICFail = false;
|
|
|
- pDevice->s802_11Counter.TKIPLocalMICFailures++;
|
|
|
- if (bDeFragRx) {
|
|
|
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
|
- pr_err("%s: can not alloc more frag bufs\n",
|
|
|
- pDevice->dev->name);
|
|
|
- }
|
|
|
- }
|
|
|
-#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
|
|
|
- /* send event to wpa_supplicant */
|
|
|
- {
|
|
|
- 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;
|
|
|
- ether_addr_copy(ev.src_addr.sa_data,
|
|
|
- pMACHeader->abyAddr2);
|
|
|
- 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) {
|
|
|
- wpahdr->type = VIAWGET_PTK_MIC_MSG;
|
|
|
- } else {
|
|
|
- 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;
|
|
|
- skb_reset_mac_header(pDevice->skb);
|
|
|
- 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;
|
|
|
-
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* ++++++++++ Reply Counter Check +++++++++++++ */
|
|
|
- if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
|
|
|
- (pKey->byCipherSuite == KEY_CTL_CCMP))) {
|
|
|
- if (bIsWEP) {
|
|
|
- unsigned short wLocalTSC15_0 = 0;
|
|
|
- unsigned long dwLocalTSC47_16 = 0;
|
|
|
- unsigned long long RSC = 0;
|
|
|
- /* endian issues */
|
|
|
- RSC = *((unsigned long long *)&(pKey->KeyRSC));
|
|
|
- wLocalTSC15_0 = (unsigned short)RSC;
|
|
|
- dwLocalTSC47_16 = (unsigned long)(RSC>>16);
|
|
|
-
|
|
|
- RSC = dwRxTSC47_16;
|
|
|
- RSC <<= 16;
|
|
|
- RSC += wRxTSC15_0;
|
|
|
- pKey->KeyRSC = RSC;
|
|
|
-
|
|
|
- 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))) {
|
|
|
- pr_debug("TSC is illegal~~!\n ");
|
|
|
- if (pKey->byCipherSuite == KEY_CTL_TKIP)
|
|
|
- pDevice->s802_11Counter.TKIPReplays++;
|
|
|
- else
|
|
|
- pDevice->s802_11Counter.CCMPReplays++;
|
|
|
-
|
|
|
- if (bDeFragRx) {
|
|
|
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
|
- pr_err("%s: can not alloc more frag bufs\n",
|
|
|
- pDevice->dev->name);
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- s_vProcessRxMACHeader(pDevice, (unsigned char *)(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
|
|
|
-)) {
|
|
|
- if (bDeFragRx) {
|
|
|
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
|
- pr_err("%s: can not alloc more frag bufs\n",
|
|
|
- pDevice->dev->name);
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- skb->data += cbHeaderOffset;
|
|
|
- skb->tail += cbHeaderOffset;
|
|
|
- skb_put(skb, FrameSize);
|
|
|
- skb->protocol = eth_type_trans(skb, skb->dev);
|
|
|
-
|
|
|
- /* drop frame not met IEEE 802.3 */
|
|
|
-
|
|
|
- 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])) {
|
|
|
- pr_err("%s: can not alloc more frag bufs\n",
|
|
|
- pDevice->dev->name);
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-static bool s_bAPModeRxCtl(
|
|
|
- struct vnt_private *pDevice,
|
|
|
- unsigned char *pbyFrame,
|
|
|
- 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,
|
|
|
- (unsigned char *)(p802_11Header->abyAddr2),
|
|
|
- (WLAN_MGMT_REASON_CLASS2_NONAUTH),
|
|
|
- &Status
|
|
|
-);
|
|
|
- pr_debug("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,
|
|
|
- (unsigned char *)(p802_11Header->abyAddr2),
|
|
|
- (WLAN_MGMT_REASON_CLASS3_NONASSOC),
|
|
|
- &Status
|
|
|
-);
|
|
|
- pr_debug("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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
|
- pr_debug("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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
|
- pr_debug("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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
|
- pr_debug("dpc: WLAN_CMD_RX_PSPOLL 3\n");
|
|
|
-
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- } else {
|
|
|
- vMgrDeAuthenBeginSta(pDevice,
|
|
|
- pMgmt,
|
|
|
- (unsigned char *)(p802_11Header->abyAddr2),
|
|
|
- (WLAN_MGMT_REASON_CLASS2_NONAUTH),
|
|
|
- &Status
|
|
|
-);
|
|
|
- pr_debug("dpc: send vMgrDeAuthenBeginSta 3\n");
|
|
|
- pr_debug("BSSID:%pM\n",
|
|
|
- p802_11Header->abyAddr3);
|
|
|
- pr_debug("ADDR2:%pM\n",
|
|
|
- p802_11Header->abyAddr2);
|
|
|
- pr_debug("ADDR1:%pM\n",
|
|
|
- p802_11Header->abyAddr1);
|
|
|
- pr_debug("dpc: wFrameCtl= %x\n",
|
|
|
- p802_11Header->wFrameCtl);
|
|
|
- VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
|
|
|
- pr_debug("dpc:pDevice->byRxMode = %x\n",
|
|
|
- pDevice->byRxMode);
|
|
|
- return true;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
-}
|
|
|
-
|
|
|
-static bool s_bHandleRxEncryption(
|
|
|
- struct vnt_private *pDevice,
|
|
|
- unsigned char *pbyFrame,
|
|
|
- unsigned int FrameSize,
|
|
|
- unsigned char *pbyRsr,
|
|
|
- unsigned char *pbyNewRsr,
|
|
|
- PSKeyItem *pKeyOut,
|
|
|
- bool *pbExtIV,
|
|
|
- unsigned short *pwRxTSC15_0,
|
|
|
- unsigned long *pdwRxTSC47_16
|
|
|
-)
|
|
|
-{
|
|
|
- unsigned int PayloadLen = FrameSize;
|
|
|
- unsigned char *pbyIV;
|
|
|
- unsigned char byKeyIdx;
|
|
|
- PSKeyItem pKey = NULL;
|
|
|
- unsigned char 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(*(unsigned short *)pbyFrame) &&
|
|
|
- WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
|
|
|
- pbyIV += 6; /* 6 is 802.11 address4 */
|
|
|
- PayloadLen -= 6;
|
|
|
- }
|
|
|
- byKeyIdx = (*(pbyIV+3) & 0xc0);
|
|
|
- byKeyIdx >>= 6;
|
|
|
- pr_debug("\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 */
|
|
|
- pr_debug("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;
|
|
|
- }
|
|
|
- pr_debug("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;
|
|
|
- pr_debug("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;
|
|
|
-
|
|
|
- pr_debug("AES:%d %d %d\n",
|
|
|
- pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
|
|
|
-
|
|
|
- if (pKey == NULL) {
|
|
|
- pr_debug("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(*(unsigned long *)(pbyIV + 4));
|
|
|
- pr_debug("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(*(unsigned short *)pbyIV);
|
|
|
-
|
|
|
- pr_debug("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;
|
|
|
- pr_debug("ICV OK!\n");
|
|
|
- } else {
|
|
|
- pr_debug("ICV FAIL!!!\n");
|
|
|
- pr_debug("PayloadLen = %d\n", PayloadLen);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if ((*(pbyIV+3) & 0x20) != 0)
|
|
|
- *pbExtIV = true;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-static bool s_bHostWepRxEncryption(
|
|
|
- struct vnt_private *pDevice,
|
|
|
- unsigned char *pbyFrame,
|
|
|
- unsigned int FrameSize,
|
|
|
- unsigned char *pbyRsr,
|
|
|
- bool bOnFly,
|
|
|
- PSKeyItem pKey,
|
|
|
- unsigned char *pbyNewRsr,
|
|
|
- bool *pbExtIV,
|
|
|
- unsigned short *pwRxTSC15_0,
|
|
|
- unsigned long *pdwRxTSC47_16
|
|
|
-)
|
|
|
-{
|
|
|
- unsigned int PayloadLen = FrameSize;
|
|
|
- unsigned char *pbyIV;
|
|
|
- unsigned char byKeyIdx;
|
|
|
- unsigned char byDecMode = KEY_CTL_WEP;
|
|
|
- PS802_11Header pMACHeader;
|
|
|
-
|
|
|
- *pwRxTSC15_0 = 0;
|
|
|
- *pdwRxTSC47_16 = 0;
|
|
|
-
|
|
|
- pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
|
|
|
- if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
|
|
|
- WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
|
|
|
- pbyIV += 6; /* 6 is 802.11 address4 */
|
|
|
- PayloadLen -= 6;
|
|
|
- }
|
|
|
- byKeyIdx = (*(pbyIV+3) & 0xc0);
|
|
|
- byKeyIdx >>= 6;
|
|
|
- pr_debug("\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;
|
|
|
-
|
|
|
- pr_debug("AES:%d %d %d\n",
|
|
|
- pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
|
|
|
-
|
|
|
- if (byDecMode != pKey->byCipherSuite)
|
|
|
- return false;
|
|
|
-
|
|
|
- if (byDecMode == KEY_CTL_WEP) {
|
|
|
- /* handle WEP */
|
|
|
- pr_debug("byDecMode == KEY_CTL_WEP\n");
|
|
|
-
|
|
|
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
|
|
|
- (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
|
|
|
- !bOnFly) {
|
|
|
- /*
|
|
|
- * 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 */
|
|
|
- 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(*(unsigned long *)(pbyIV + 4));
|
|
|
- pr_debug("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(*(unsigned short *)pbyIV);
|
|
|
-
|
|
|
- pr_debug("TSC0_15: %x\n", *pwRxTSC15_0);
|
|
|
-
|
|
|
- if (byDecMode == KEY_CTL_TKIP) {
|
|
|
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || !bOnFly) {
|
|
|
- /*
|
|
|
- * Software TKIP
|
|
|
- * 1. 3253 A
|
|
|
- * 2. NotOnFly
|
|
|
- */
|
|
|
- pr_debug("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;
|
|
|
- pr_debug("ICV OK!\n");
|
|
|
- } else {
|
|
|
- pr_debug("ICV FAIL!!!\n");
|
|
|
- pr_debug("PayloadLen = %d\n",
|
|
|
- PayloadLen);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (byDecMode == KEY_CTL_CCMP) {
|
|
|
- if (!bOnFly) {
|
|
|
- /*
|
|
|
- * Software CCMP
|
|
|
- * NotOnFly
|
|
|
- */
|
|
|
- pr_debug("soft KEY_CTL_CCMP\n");
|
|
|
- if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
|
|
|
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
|
|
|
- pr_debug("CCMP MIC compare OK!\n");
|
|
|
- } else {
|
|
|
- pr_debug("CCMP MIC fail!\n");
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ((*(pbyIV+3) & 0x20) != 0)
|
|
|
- *pbExtIV = true;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-static bool s_bAPModeRxData(
|
|
|
- struct vnt_private *pDevice,
|
|
|
- struct sk_buff *skb,
|
|
|
- unsigned int FrameSize,
|
|
|
- unsigned int cbHeaderOffset,
|
|
|
- int iSANodeIndex,
|
|
|
- int iDANodeIndex
|
|
|
-)
|
|
|
-{
|
|
|
- PSMgmtObject pMgmt = pDevice->pMgmt;
|
|
|
- bool bRelayAndForward = false;
|
|
|
- bool bRelayOnly = false;
|
|
|
- unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
|
|
|
- unsigned short wAID;
|
|
|
-
|
|
|
- struct sk_buff *skbcpy = NULL;
|
|
|
-
|
|
|
- if (FrameSize > CB_MAX_BUF_SIZE)
|
|
|
- return false;
|
|
|
- /* check DA */
|
|
|
- if (is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
|
|
|
- if (pMgmt->sNodeDBTable[0].bPSEnable) {
|
|
|
- skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
|
|
|
-
|
|
|
- /* if any node in PS mode, buffer packet until DTIM. */
|
|
|
- if (skbcpy == NULL) {
|
|
|
- pr_info("relay multicast no skb available\n");
|
|
|
- } else {
|
|
|
- skbcpy->dev = pDevice->dev;
|
|
|
- skbcpy->len = FrameSize;
|
|
|
- memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
|
|
|
- skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
|
|
|
-
|
|
|
- pMgmt->sNodeDBTable[0].wEnQueueCnt++;
|
|
|
- /* set tx map */
|
|
|
- pMgmt->abyPSTxMap[0] |= byMask[0];
|
|
|
- }
|
|
|
- } else {
|
|
|
- bRelayAndForward = true;
|
|
|
- }
|
|
|
- } else {
|
|
|
- /* check if relay */
|
|
|
- if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(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. */
|
|
|
-
|
|
|
- skb->data += cbHeaderOffset;
|
|
|
- skb->tail += cbHeaderOffset;
|
|
|
- skb_put(skb, FrameSize);
|
|
|
- skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
|
|
|
- pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
|
|
|
- wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
|
|
|
- pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
|
|
|
- pr_debug("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, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex);
|
|
|
-
|
|
|
- if (bRelayOnly)
|
|
|
- return false;
|
|
|
- }
|
|
|
- /* none associate, don't forward */
|
|
|
- if (pDevice->uAssocCount == 0)
|
|
|
- return false;
|
|
|
-
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
static bool vnt_rx_data(struct vnt_private *priv, struct sk_buff *skb,
|
|
|
u16 bytes_received)
|
|
|
{
|