![Joe Perches](/assets/img/avatar_default.png)
Preliminary to removing compare_ether_addr altogether: Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Additionally: Used is_zero_ether_addr, removed now unused variable Converted uses of &foo[0] to foo Done via cocci script: (and a little typing) $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1402 lines
43 KiB
C
1402 lines
43 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* File: dpc.c
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*
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* Purpose: handle dpc rx functions
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*
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* Author: Lyndon Chen
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*
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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 "hostap.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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/*--------------------- Static Definitions -------------------------*/
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/*--------------------- Static Classes ----------------------------*/
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/*--------------------- Static Variables --------------------------*/
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//static int msglevel =MSG_LEVEL_DEBUG;
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static int msglevel = MSG_LEVEL_INFO;
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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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/*--------------------- Static Functions --------------------------*/
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/*--------------------- Static Definitions -------------------------*/
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/*--------------------- Static Functions --------------------------*/
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static unsigned char s_byGetRateIdx(unsigned char byRate);
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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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static void
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s_vProcessRxMACHeader(PSDevice 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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static bool s_bAPModeRxCtl(
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PSDevice pDevice,
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unsigned char *pbyFrame,
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int iSANodeIndex
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);
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static bool s_bAPModeRxData(
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PSDevice 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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static bool s_bHandleRxEncryption(
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PSDevice 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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static bool s_bHostWepRxEncryption(
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PSDevice 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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/*--------------------- Export Variables --------------------------*/
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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(PSDevice 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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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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pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
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s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
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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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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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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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*pcbHeadSize = cbHeaderSize;
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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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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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return 0;
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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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pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
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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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//PLICE_DEBUG ->
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void MngWorkItem(void *Context)
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{
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PSRxMgmtPacket pRxMgmtPacket;
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PSDevice pDevice = (PSDevice) Context;
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spin_lock_irq(&pDevice->lock);
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while (pDevice->rxManeQueue.packet_num != 0) {
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pRxMgmtPacket = DeQueue(pDevice);
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vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
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}
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spin_unlock_irq(&pDevice->lock);
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}
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//PLICE_DEBUG<-
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bool
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device_receive_frame(
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PSDevice 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->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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PQWORD 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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// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- device_receive_frame---\n");
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skb = pRDInfo->skb;
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//PLICE_DEBUG->
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#if 1
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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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#endif
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//PLICE_DEBUG<-
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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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// Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
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// Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
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if ((FrameSize > 2364) || (FrameSize <= 32)) {
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// Frame Size error drop this packet.
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 1 \n");
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return false;
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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 = (PQWORD)(skb->data + FrameSize - 12);
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pbyFrame = (unsigned char *)(skb->data + 4);
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// get packet size
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FrameSize = cpu_to_le16(*pwFrameSize);
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if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
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// Min: 14 bytes ACK
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2 \n");
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return false;
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}
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//PLICE_DEBUG->
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#if 1
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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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#endif
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pMACHeader = (PS802_11Header)((unsigned char *)(skb->data) + 8);
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//PLICE_DEBUG<-
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if (pDevice->bMeasureInProgress == true) {
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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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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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// Use for TKIP MIC
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s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
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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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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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if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
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if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
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return false;
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}
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}
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if (IS_FC_WEP(pbyFrame)) {
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bool bRxDecryOK = false;
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx WEP pkt\n");
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bIsWEP = true;
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if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
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pKey = &STempKey;
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pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
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pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
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pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
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pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
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pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
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memcpy(pKey->abyKey,
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&pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
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pKey->uKeyLength
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);
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bRxDecryOK = s_bHostWepRxEncryption(pDevice,
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pbyFrame,
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FrameSize,
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pbyRsr,
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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) {
|
|
DBG_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 {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WEP Func Fail\n");
|
|
return false;
|
|
}
|
|
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
|
|
FrameSize -= 8; // Message Integrity Code
|
|
else
|
|
FrameSize -= 4; // 4 is ICV
|
|
}
|
|
|
|
//
|
|
// RX OK
|
|
//
|
|
//remove the 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;
|
|
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);
|
|
|
|
//up(&pDevice->mlme_semaphore);
|
|
//Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
|
|
#else
|
|
|
|
#ifdef TASK_LET
|
|
EnQueue(pDevice, pRxPacket);
|
|
tasklet_schedule(&pDevice->RxMngWorkItem);
|
|
#else
|
|
vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
|
|
//tasklet_schedule(&pDevice->RxMngWorkItem);
|
|
#endif
|
|
|
|
#endif
|
|
//PLICE_DEBUG<-
|
|
//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;
|
|
}
|
|
} else {
|
|
// Control Frame
|
|
};
|
|
return false;
|
|
} else {
|
|
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
|
|
//In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
|
|
if (!(*pbyRsr & RSR_BSSIDOK)) {
|
|
if (bDeFragRx) {
|
|
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
} else {
|
|
// discard DATA packet while not associate || BSSID error
|
|
if ((pDevice->bLinkPass == false) ||
|
|
!(*pbyRsr & RSR_BSSIDOK)) {
|
|
if (bDeFragRx) {
|
|
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
//mike add:station mode check eapol-key challenge--->
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
//mike add:station mode check eapol-key challenge<---
|
|
}
|
|
}
|
|
|
|
// Data frame Handle
|
|
|
|
if (pDevice->bEnablePSMode) {
|
|
if (IS_FC_MOREDATA((skb->data+4))) {
|
|
if (*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)) {
|
|
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 == true)) {
|
|
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];
|
|
|
|
DBG_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);
|
|
}
|
|
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) {
|
|
unsigned long *pdwMIC_L;
|
|
unsigned long *pdwMIC_R;
|
|
unsigned long dwMIC_Priority;
|
|
unsigned long dwMICKey0 = 0, dwMICKey1 = 0;
|
|
unsigned long dwLocalMIC_L = 0;
|
|
unsigned long dwLocalMIC_R = 0;
|
|
viawget_wpa_header *wpahdr;
|
|
|
|
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
|
|
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
|
|
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
|
|
} else {
|
|
if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
|
|
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
|
|
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
|
|
} else if ((pKey->dwKeyIndex & BIT28) == 0) {
|
|
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
|
|
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
|
|
} else {
|
|
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
|
|
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&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 = (unsigned long *)(skb->data + 4 + FrameSize);
|
|
pdwMIC_R = (unsigned long *)(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));
|
|
//DBG_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)) {
|
|
DBG_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])) {
|
|
DBG_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
|
|
{
|
|
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;
|
|
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;
|
|
|
|
}
|
|
}
|
|
} //---end of SOFT MIC-----------------------------------------------------------------------
|
|
|
|
// ++++++++++ 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;
|
|
memcpy(&(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))) {
|
|
DBG_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])) {
|
|
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
} // ----- End of Reply Counter Check --------------------------
|
|
|
|
if ((pKey != NULL) && (bIsWEP)) {
|
|
// pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
|
|
}
|
|
|
|
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
|
|
) == false) {
|
|
if (bDeFragRx) {
|
|
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
}
|
|
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
|
|
/*
|
|
if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
|
|
if ((skb->protocol==htons(ETH_P_802_3)) &&
|
|
(skb->len!=htons(skb->mac.ethernet->h_proto))) {
|
|
pStats->rx_length_errors++;
|
|
pStats->rx_dropped++;
|
|
if (bDeFragRx) {
|
|
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
*/
|
|
|
|
skb->ip_summed = CHECKSUM_NONE;
|
|
pStats->rx_bytes += skb->len;
|
|
pStats->rx_packets++;
|
|
netif_rx(skb);
|
|
|
|
if (bDeFragRx) {
|
|
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
|
|
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
|
|
pDevice->dev->name);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool s_bAPModeRxCtl(
|
|
PSDevice 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
|
|
);
|
|
DBG_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,
|
|
(unsigned char *)(p802_11Header->abyAddr2),
|
|
(WLAN_MGMT_REASON_CLASS3_NONASSOC),
|
|
&Status
|
|
);
|
|
DBG_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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
DBG_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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
DBG_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((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
|
|
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
vMgrDeAuthenBeginSta(pDevice,
|
|
pMgmt,
|
|
(unsigned char *)(p802_11Header->abyAddr2),
|
|
(WLAN_MGMT_REASON_CLASS2_NONAUTH),
|
|
&Status
|
|
);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n",
|
|
p802_11Header->abyAddr3);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n",
|
|
p802_11Header->abyAddr2);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n",
|
|
p802_11Header->abyAddr1);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl);
|
|
VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool s_bHandleRxEncryption(
|
|
PSDevice 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;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\nKeyIdx: %d\n", byKeyIdx);
|
|
|
|
if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
|
|
if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
|
|
(pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
|
|
// unicast pkt use pairwise key
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt\n");
|
|
if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
|
|
if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
}
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt: %d, %p\n", byDecMode, pKey);
|
|
} else {
|
|
// use group key
|
|
KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
|
|
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
|
|
}
|
|
}
|
|
// our WEP only support Default Key
|
|
if (pKey == NULL) {
|
|
// use default group key
|
|
KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
|
|
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
}
|
|
*pKeyOut = pKey;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
|
|
|
|
if (pKey == NULL) {
|
|
DBG_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
|
|
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));
|
|
DBG_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(*(unsigned short *)pbyIV);
|
|
}
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC0_15: %x\n", *pwRxTSC15_0);
|
|
|
|
if ((byDecMode == KEY_CTL_TKIP) &&
|
|
(pDevice->byLocalID <= REV_ID_VT3253_A1)) {
|
|
// Software TKIP
|
|
// 1. 3253 A
|
|
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;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
|
|
} else {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
|
|
}
|
|
}
|
|
}// end of TKIP/AES
|
|
|
|
if ((*(pbyIV+3) & 0x20) != 0)
|
|
*pbExtIV = true;
|
|
return true;
|
|
}
|
|
|
|
static bool s_bHostWepRxEncryption(
|
|
PSDevice 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;
|
|
DBG_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;
|
|
|
|
DBG_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
|
|
DBG_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
|
|
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));
|
|
DBG_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(*(unsigned short *)pbyIV);
|
|
}
|
|
DBG_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
|
|
DBG_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;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
|
|
} else {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (byDecMode == KEY_CTL_CCMP) {
|
|
if (bOnFly == false) {
|
|
// Software CCMP
|
|
// NotOnFly
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "soft KEY_CTL_CCMP\n");
|
|
if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
|
|
*pbyNewRsr |= NEWRSR_DECRYPTOK;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC compare OK!\n");
|
|
} else {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC fail!\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
}// end of TKIP/AES
|
|
|
|
if ((*(pbyIV+3) & 0x20) != 0)
|
|
*pbExtIV = true;
|
|
return true;
|
|
}
|
|
|
|
static bool s_bAPModeRxData(
|
|
PSDevice 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) {
|
|
DBG_PRT(MSG_LEVEL_NOTICE, KERN_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];
|
|
DBG_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, (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;
|
|
}
|