1617 lines
56 KiB
C
1617 lines
56 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 "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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#include "datarate.h"
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#include "usbpipe.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 BYTE 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 BYTE s_byGetRateIdx(BYTE byRate);
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static
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void
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s_vGetDASA(
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PBYTE pbyRxBufferAddr,
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unsigned int *pcbHeaderSize,
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PSEthernetHeader psEthHeader
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);
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static
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void
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s_vProcessRxMACHeader (
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PSDevice pDevice,
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PBYTE pbyRxBufferAddr,
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unsigned int cbPacketSize,
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BOOL bIsWEP,
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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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PSDevice pDevice,
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PBYTE pbyFrame,
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signed 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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signed int iSANodeIndex,
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signed int iDANodeIndex
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);
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static BOOL s_bHandleRxEncryption(
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PSDevice pDevice,
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PBYTE pbyFrame,
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unsigned int FrameSize,
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PBYTE pbyRsr,
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PBYTE pbyNewRsr,
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PSKeyItem * pKeyOut,
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int * pbExtIV,
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PWORD pwRxTSC15_0,
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PDWORD pdwRxTSC47_16
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);
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static BOOL s_bHostWepRxEncryption(
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PSDevice pDevice,
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PBYTE pbyFrame,
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unsigned int FrameSize,
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PBYTE pbyRsr,
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BOOL bOnFly,
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PSKeyItem pKey,
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PBYTE pbyNewRsr,
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int * pbExtIV,
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PWORD pwRxTSC15_0,
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PDWORD 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
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void
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s_vProcessRxMACHeader (
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PSDevice pDevice,
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PBYTE pbyRxBufferAddr,
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unsigned int cbPacketSize,
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BOOL bIsWEP,
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BOOL bExtIV,
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unsigned int *pcbHeadSize
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)
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{
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PBYTE pbyRxBuffer;
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unsigned int cbHeaderSize = 0;
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PWORD 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((PBYTE)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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}
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else {
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cbHeaderSize += WLAN_HDR_ADDR3_LEN;
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};
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pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
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if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
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cbHeaderSize += 6;
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} else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
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cbHeaderSize += 6;
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pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize);
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if ((*pwType == cpu_to_le16(ETH_P_IPX)) ||
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(*pwType == cpu_to_le16(0xF380))) {
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cbHeaderSize -= 8;
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pwType = (PWORD) (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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}
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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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else {
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cbHeaderSize -= 2;
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pwType = (PWORD) (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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}
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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 = (PBYTE) (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 BYTE s_byGetRateIdx(BYTE byRate)
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{
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BYTE 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
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void
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s_vGetDASA (
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PBYTE pbyRxBufferAddr,
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unsigned int *pcbHeaderSize,
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PSEthernetHeader psEthHeader
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)
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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] =
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pMACHeader->abyAddr1[ii];
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psEthHeader->abySrcAddr[ii] =
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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] =
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pMACHeader->abyAddr1[ii];
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psEthHeader->abySrcAddr[ii] =
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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] =
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pMACHeader->abyAddr3[ii];
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psEthHeader->abySrcAddr[ii] =
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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] =
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pMACHeader->abyAddr3[ii];
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psEthHeader->abySrcAddr[ii] =
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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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BOOL
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RXbBulkInProcessData (
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PSDevice pDevice,
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PRCB pRCB,
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unsigned long BytesToIndicate
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)
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{
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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->sMgmtObj);
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PSRxMgmtPacket pRxPacket = &(pMgmt->sRxPacket);
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PS802_11Header p802_11Header;
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PBYTE pbyRsr;
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PBYTE pbyNewRsr;
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PBYTE pbyRSSI;
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PQWORD pqwTSFTime;
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PBYTE pbyFrame;
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BOOL bDeFragRx = FALSE;
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unsigned int cbHeaderOffset;
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unsigned int FrameSize;
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WORD wEtherType = 0;
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signed int iSANodeIndex = -1;
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signed int iDANodeIndex = -1;
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unsigned int ii;
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unsigned int cbIVOffset;
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PBYTE pbyRxSts;
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PBYTE pbyRxRate;
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PBYTE pbySQ;
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PBYTE pby3SQ;
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unsigned int cbHeaderSize;
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PSKeyItem pKey = NULL;
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WORD wRxTSC15_0 = 0;
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DWORD dwRxTSC47_16 = 0;
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SKeyItem STempKey;
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// 802.11h RPI
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/* signed long ldBm = 0; */
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BOOL bIsWEP = FALSE;
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BOOL bExtIV = FALSE;
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DWORD dwWbkStatus;
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PRCB pRCBIndicate = pRCB;
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PBYTE pbyDAddress;
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PWORD pwPLCP_Length;
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BYTE abyVaildRate[MAX_RATE] = {2,4,11,22,12,18,24,36,48,72,96,108};
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WORD wPLCPwithPadding;
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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"---------- RXbBulkInProcessData---\n");
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skb = pRCB->skb;
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//[31:16]RcvByteCount ( not include 4-byte Status )
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dwWbkStatus = *( (PDWORD)(skb->data) );
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FrameSize = (unsigned int)(dwWbkStatus >> 16);
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FrameSize += 4;
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if (BytesToIndicate != FrameSize) {
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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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if ((BytesToIndicate > 2372) || (BytesToIndicate <= 40)) {
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// Frame Size error drop this packet.
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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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pbyDAddress = (PBYTE)(skb->data);
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pbyRxSts = pbyDAddress+4;
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pbyRxRate = pbyDAddress+5;
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//real Frame Size = USBFrameSize -4WbkStatus - 4RxStatus - 8TSF - 4RSR - 4SQ3 - ?Padding
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//if SQ3 the range is 24~27, if no SQ3 the range is 20~23
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//real Frame size in PLCPLength field.
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pwPLCP_Length = (PWORD) (pbyDAddress + 6);
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//Fix hardware bug => PLCP_Length error
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if ( ((BytesToIndicate - (*pwPLCP_Length)) > 27) ||
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((BytesToIndicate - (*pwPLCP_Length)) < 24) ||
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(BytesToIndicate < (*pwPLCP_Length)) ) {
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong PLCP Length %x\n", (int) *pwPLCP_Length);
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ASSERT(0);
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return FALSE;
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}
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for ( ii=RATE_1M;ii<MAX_RATE;ii++) {
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if ( *pbyRxRate == abyVaildRate[ii] ) {
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break;
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}
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}
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if ( ii==MAX_RATE ) {
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong RxRate %x\n",(int) *pbyRxRate);
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return FALSE;
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}
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wPLCPwithPadding = ( (*pwPLCP_Length / 4) + ( (*pwPLCP_Length % 4) ? 1:0 ) ) *4;
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pqwTSFTime = (PQWORD) (pbyDAddress + 8 + wPLCPwithPadding);
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if(pDevice->byBBType == BB_TYPE_11G) {
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pby3SQ = pbyDAddress + 8 + wPLCPwithPadding + 12;
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pbySQ = pby3SQ;
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}
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else {
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pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8;
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pby3SQ = pbySQ;
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}
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pbyNewRsr = pbyDAddress + 8 + wPLCPwithPadding + 9;
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pbyRSSI = pbyDAddress + 8 + wPLCPwithPadding + 10;
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pbyRsr = pbyDAddress + 8 + wPLCPwithPadding + 11;
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FrameSize = *pwPLCP_Length;
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pbyFrame = pbyDAddress + 8;
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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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*pbyRxSts,
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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) pbyFrame;
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//mike add: to judge if current AP is activated?
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if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
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(pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
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if (pMgmt->sNodeDBTable[0].bActive) {
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if (!compare_ether_addr(pMgmt->abyCurrBSSID, pMACHeader->abyAddr2)) {
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if (pMgmt->sNodeDBTable[0].uInActiveCount != 0)
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pMgmt->sNodeDBTable[0].uInActiveCount = 0;
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}
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}
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}
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if (!is_multicast_ether_addr(pMACHeader->abyAddr1) && !is_broadcast_ether_addr(pMACHeader->abyAddr1)) {
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if ( WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) pbyFrame) ) {
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pDevice->s802_11Counter.FrameDuplicateCount++;
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return FALSE;
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}
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if (compare_ether_addr(pDevice->abyCurrentNetAddr,
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pMACHeader->abyAddr1)) {
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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(pbyFrame, &cbHeaderSize, &pDevice->sRxEthHeader);
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if (!compare_ether_addr((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]),
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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 (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(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
|
|
);
|
|
|
|
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) {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
|
|
if ( (pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
|
|
|
|
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 FCS/CRC length */
|
|
FrameSize -= ETH_FCS_LEN;
|
|
|
|
if ( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) && // unicast address
|
|
(IS_FRAGMENT_PKT((pbyFrame)))
|
|
) {
|
|
// defragment
|
|
bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (pbyFrame), FrameSize, bIsWEP, bExtIV);
|
|
pDevice->s802_11Counter.ReceivedFragmentCount++;
|
|
if (bDeFragRx) {
|
|
// defrag complete
|
|
// TODO skb, pbyFrame
|
|
skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
|
|
FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
|
|
pbyFrame = skb->data + 8;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Management & Control frame Handle
|
|
//
|
|
if ((IS_TYPE_DATA((pbyFrame))) == FALSE) {
|
|
// Handle Control & Manage Frame
|
|
|
|
if (IS_TYPE_MGMT((pbyFrame))) {
|
|
PBYTE pbyData1;
|
|
PBYTE pbyData2;
|
|
|
|
pRxPacket = &(pRCB->sMngPacket);
|
|
pRxPacket->p80211Header = (PUWLAN_80211HDR)(pbyFrame);
|
|
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(pbyFrame);
|
|
pbyData2 = WLAN_HDR_A3_DATA_PTR(pbyFrame) + 4;
|
|
for (ii = 0; ii < (FrameSize - 4); ii++) {
|
|
*pbyData1 = *pbyData2;
|
|
pbyData1++;
|
|
pbyData2++;
|
|
}
|
|
}
|
|
|
|
pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
|
|
|
|
if ( *pbyRxSts == 0 ) {
|
|
//Discard beacon packet which channel is 0
|
|
if ( (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_BEACON) ||
|
|
(WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_PROBERESP) ) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
|
|
|
|
// hostap Deamon handle 802.11 management
|
|
if (pDevice->bEnableHostapd) {
|
|
skb->dev = pDevice->apdev;
|
|
//skb->data += 4;
|
|
//skb->tail += 4;
|
|
skb->data += 8;
|
|
skb->tail += 8;
|
|
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;
|
|
}
|
|
|
|
//
|
|
// Insert the RCB in the Recv Mng list
|
|
//
|
|
EnqueueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList, pRCBIndicate);
|
|
pDevice->NumRecvMngList++;
|
|
if ( bDeFragRx == FALSE) {
|
|
pRCB->Ref++;
|
|
}
|
|
if (pDevice->bIsRxMngWorkItemQueued == FALSE) {
|
|
pDevice->bIsRxMngWorkItemQueued = TRUE;
|
|
tasklet_schedule(&pDevice->RxMngWorkItem);
|
|
}
|
|
|
|
}
|
|
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--->
|
|
{
|
|
BYTE Protocol_Version; //802.1x Authentication
|
|
BYTE Packet_Type; //802.1x Authentication
|
|
BYTE Descriptor_type;
|
|
WORD Key_info;
|
|
if (bIsWEP)
|
|
cbIVOffset = 8;
|
|
else
|
|
cbIVOffset = 0;
|
|
wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
|
|
skb->data[cbIVOffset + 8 + 24 + 6 + 1];
|
|
Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
|
|
Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
|
|
if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
|
|
if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
|
|
(Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive
|
|
bRxeapol_key = TRUE;
|
|
Descriptor_type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2];
|
|
Key_info = (skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+1]<<8) |skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+2] ;
|
|
if(Descriptor_type==2) { //RSN
|
|
// printk("WPA2_Rx_eapol-key_info<-----:%x\n",Key_info);
|
|
}
|
|
else if(Descriptor_type==254) {
|
|
// printk("WPA_Rx_eapol-key_info<-----:%x\n",Key_info);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//mike add:station mode check eapol-key challenge<---
|
|
}
|
|
}
|
|
|
|
|
|
// Data frame Handle
|
|
|
|
|
|
if (pDevice->bEnablePSMode) {
|
|
if (IS_FC_MOREDATA((pbyFrame))) {
|
|
if (*pbyRsr & RSR_ADDROK) {
|
|
//PSbSendPSPOLL((PSDevice)pDevice);
|
|
}
|
|
}
|
|
else {
|
|
if (pMgmt->bInTIMWake == TRUE) {
|
|
pMgmt->bInTIMWake = FALSE;
|
|
}
|
|
}
|
|
};
|
|
|
|
// 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);
|
|
}
|
|
|
|
// ++++++++ For BaseBand Algorithm +++++++++++++++
|
|
pDevice->uCurrRSSI = *pbyRSSI;
|
|
pDevice->byCurrSQ = *pbySQ;
|
|
|
|
// todo
|
|
/*
|
|
if ((*pbyRSSI != 0) &&
|
|
(pMgmt->pCurrBSS!=NULL)) {
|
|
RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
|
|
// Moniter if RSSI is too strong.
|
|
pMgmt->pCurrBSS->byRSSIStatCnt++;
|
|
pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
|
|
pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
|
|
for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
|
|
if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
|
|
pMgmt->pCurrBSS->ldBmMAX =
|
|
max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
// -----------------------------------------------
|
|
|
|
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){
|
|
BYTE abyMacHdr[24];
|
|
|
|
// Only 802.1x packet incoming allowed
|
|
if (bIsWEP)
|
|
cbIVOffset = 8;
|
|
else
|
|
cbIVOffset = 0;
|
|
wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
|
|
skb->data[cbIVOffset + 8 + 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 + 8), 24);
|
|
memcpy((skb->data + 8 + cbIVOffset), &abyMacHdr[0], 24);
|
|
}
|
|
|
|
skb->data += (cbIVOffset + 8);
|
|
skb->tail += (cbIVOffset + 8);
|
|
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) {
|
|
PDWORD pdwMIC_L;
|
|
PDWORD pdwMIC_R;
|
|
DWORD dwMIC_Priority;
|
|
DWORD dwMICKey0 = 0, dwMICKey1 = 0;
|
|
DWORD dwLocalMIC_L = 0;
|
|
DWORD dwLocalMIC_R = 0;
|
|
viawget_wpa_header *wpahdr;
|
|
|
|
|
|
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
|
|
dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
|
|
dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
|
|
}
|
|
else {
|
|
if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
|
|
dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
|
|
dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
|
|
} else if ((pKey->dwKeyIndex & BIT28) == 0) {
|
|
dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
|
|
dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
|
|
} else {
|
|
dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
|
|
dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
|
|
}
|
|
}
|
|
|
|
MIC_vInit(dwMICKey0, dwMICKey1);
|
|
MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
|
|
dwMIC_Priority = 0;
|
|
MIC_vAppend((PBYTE)&dwMIC_Priority, 4);
|
|
// 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
|
|
MIC_vAppend((PBYTE)(skb->data + 8 + WLAN_HDR_ADDR3_LEN + 8),
|
|
FrameSize - WLAN_HDR_ADDR3_LEN - 8);
|
|
MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
|
|
MIC_vUnInit();
|
|
|
|
pdwMIC_L = (PDWORD)(skb->data + 8 + FrameSize);
|
|
pdwMIC_R = (PDWORD)(skb->data + 8 + FrameSize + 4);
|
|
|
|
|
|
if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
|
|
(pDevice->bRxMICFail == TRUE)) {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
|
|
pDevice->bRxMICFail = FALSE;
|
|
//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);
|
|
}
|
|
}
|
|
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
|
|
//send event to wpa_supplicant
|
|
//if(pDevice->bWPASuppWextEnabled == TRUE)
|
|
{
|
|
union iwreq_data wrqu;
|
|
struct iw_michaelmicfailure ev;
|
|
int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
|
|
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
|
|
(pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
|
|
(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
|
|
ev.flags |= IW_MICFAILURE_PAIRWISE;
|
|
} else {
|
|
ev.flags |= IW_MICFAILURE_GROUP;
|
|
}
|
|
|
|
ev.src_addr.sa_family = ARPHRD_ETHER;
|
|
memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN);
|
|
memset(&wrqu, 0, sizeof(wrqu));
|
|
wrqu.data.length = sizeof(ev);
|
|
PRINT_K("wireless_send_event--->IWEVMICHAELMICFAILURE\n");
|
|
wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
|
|
|
|
}
|
|
#endif
|
|
|
|
|
|
if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
|
|
wpahdr = (viawget_wpa_header *)pDevice->skb->data;
|
|
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
|
|
(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) {
|
|
WORD wLocalTSC15_0 = 0;
|
|
DWORD dwLocalTSC47_16 = 0;
|
|
unsigned long long RSC = 0;
|
|
// endian issues
|
|
RSC = *((unsigned long long *) &(pKey->KeyRSC));
|
|
wLocalTSC15_0 = (WORD) RSC;
|
|
dwLocalTSC47_16 = (DWORD) (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 --------------------------
|
|
|
|
|
|
s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+8), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
|
|
FrameSize -= cbHeaderOffset;
|
|
cbHeaderOffset += 8; // 8 is Rcv buffer header
|
|
|
|
// Null data, framesize = 12
|
|
if (FrameSize < 12)
|
|
return FALSE;
|
|
|
|
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);
|
|
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,
|
|
PBYTE pbyFrame,
|
|
signed int iSANodeIndex
|
|
)
|
|
{
|
|
PS802_11Header p802_11Header;
|
|
CMD_STATUS Status;
|
|
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
|
|
|
|
|
|
if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
|
|
|
|
p802_11Header = (PS802_11Header) (pbyFrame);
|
|
if (!IS_TYPE_MGMT(pbyFrame)) {
|
|
|
|
// Data & PS-Poll packet
|
|
// check frame class
|
|
if (iSANodeIndex > 0) {
|
|
// frame class 3 fliter & checking
|
|
if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
|
|
// send deauth notification
|
|
// reason = (6) class 2 received from nonauth sta
|
|
vMgrDeAuthenBeginSta(pDevice,
|
|
pMgmt,
|
|
(PBYTE)(p802_11Header->abyAddr2),
|
|
(WLAN_MGMT_REASON_CLASS2_NONAUTH),
|
|
&Status
|
|
);
|
|
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,
|
|
(PBYTE)(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,
|
|
(PBYTE)(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:%02x-%02x-%02x=%02x-%02x-%02x \n",
|
|
p802_11Header->abyAddr3[0],
|
|
p802_11Header->abyAddr3[1],
|
|
p802_11Header->abyAddr3[2],
|
|
p802_11Header->abyAddr3[3],
|
|
p802_11Header->abyAddr3[4],
|
|
p802_11Header->abyAddr3[5]
|
|
);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n",
|
|
p802_11Header->abyAddr2[0],
|
|
p802_11Header->abyAddr2[1],
|
|
p802_11Header->abyAddr2[2],
|
|
p802_11Header->abyAddr2[3],
|
|
p802_11Header->abyAddr2[4],
|
|
p802_11Header->abyAddr2[5]
|
|
);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n",
|
|
p802_11Header->abyAddr1[0],
|
|
p802_11Header->abyAddr1[1],
|
|
p802_11Header->abyAddr1[2],
|
|
p802_11Header->abyAddr1[3],
|
|
p802_11Header->abyAddr1[4],
|
|
p802_11Header->abyAddr1[5]
|
|
);
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl );
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
static BOOL s_bHandleRxEncryption (
|
|
PSDevice pDevice,
|
|
PBYTE pbyFrame,
|
|
unsigned int FrameSize,
|
|
PBYTE pbyRsr,
|
|
PBYTE pbyNewRsr,
|
|
PSKeyItem * pKeyOut,
|
|
int * pbExtIV,
|
|
PWORD pwRxTSC15_0,
|
|
PDWORD pdwRxTSC47_16
|
|
)
|
|
{
|
|
unsigned int PayloadLen = FrameSize;
|
|
PBYTE pbyIV;
|
|
BYTE byKeyIdx;
|
|
PSKeyItem pKey = NULL;
|
|
BYTE byDecMode = KEY_CTL_WEP;
|
|
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
|
|
|
|
|
|
*pwRxTSC15_0 = 0;
|
|
*pdwRxTSC47_16 = 0;
|
|
|
|
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
|
|
if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
|
|
WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
|
|
pbyIV += 6; // 6 is 802.11 address4
|
|
PayloadLen -= 6;
|
|
}
|
|
byKeyIdx = (*(pbyIV+3) & 0xc0);
|
|
byKeyIdx >>= 6;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
|
|
|
|
if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
|
|
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
|
|
if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
|
|
(pMgmt->byCSSPK != KEY_CTL_NONE)) {
|
|
// unicast pkt use pairwise key
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
|
|
if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) {
|
|
if (pMgmt->byCSSPK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pMgmt->byCSSPK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
}
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
|
|
} else {
|
|
// use group key
|
|
KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
|
|
if (pMgmt->byCSSGK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
|
|
}
|
|
}
|
|
// our WEP only support Default Key
|
|
if (pKey == NULL) {
|
|
// use default group key
|
|
KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
|
|
if (pMgmt->byCSSGK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
}
|
|
*pKeyOut = pKey;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode);
|
|
|
|
if (pKey == NULL) {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
|
|
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(*(PDWORD)(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(*(PWORD)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,
|
|
PBYTE pbyFrame,
|
|
unsigned int FrameSize,
|
|
PBYTE pbyRsr,
|
|
BOOL bOnFly,
|
|
PSKeyItem pKey,
|
|
PBYTE pbyNewRsr,
|
|
int * pbExtIV,
|
|
PWORD pwRxTSC15_0,
|
|
PDWORD pdwRxTSC47_16
|
|
)
|
|
{
|
|
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
|
|
unsigned int PayloadLen = FrameSize;
|
|
PBYTE pbyIV;
|
|
BYTE byKeyIdx;
|
|
BYTE byDecMode = KEY_CTL_WEP;
|
|
PS802_11Header pMACHeader;
|
|
|
|
|
|
|
|
*pwRxTSC15_0 = 0;
|
|
*pdwRxTSC47_16 = 0;
|
|
|
|
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
|
|
if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
|
|
WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
|
|
pbyIV += 6; // 6 is 802.11 address4
|
|
PayloadLen -= 6;
|
|
}
|
|
byKeyIdx = (*(pbyIV+3) & 0xc0);
|
|
byKeyIdx >>= 6;
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
|
|
|
|
|
|
if (pMgmt->byCSSGK == KEY_CTL_TKIP)
|
|
byDecMode = KEY_CTL_TKIP;
|
|
else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
|
|
byDecMode = KEY_CTL_CCMP;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, 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(*(PDWORD)(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(*(PWORD)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,
|
|
signed int iSANodeIndex,
|
|
signed int iDANodeIndex
|
|
)
|
|
|
|
{
|
|
PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
|
|
BOOL bRelayAndForward = FALSE;
|
|
BOOL bRelayOnly = FALSE;
|
|
BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
|
|
WORD wAID;
|
|
|
|
|
|
struct sk_buff* skbcpy = NULL;
|
|
|
|
if (FrameSize > CB_MAX_BUF_SIZE)
|
|
return FALSE;
|
|
// check DA
|
|
if (is_multicast_ether_addr((PBYTE)(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 (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
|
|
if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
|
|
if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
|
|
// queue this skb until next PS tx, and then release.
|
|
|
|
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)) {
|
|
bRelayPacketSend(pDevice, (PBYTE) (skb->data + cbHeaderOffset),
|
|
FrameSize, (unsigned int) iDANodeIndex);
|
|
}
|
|
|
|
if (bRelayOnly)
|
|
return FALSE;
|
|
}
|
|
// none associate, don't forward
|
|
if (pDevice->uAssocCount == 0)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
|
|
void RXvWorkItem(void *Context)
|
|
{
|
|
PSDevice pDevice = (PSDevice) Context;
|
|
int ntStatus;
|
|
PRCB pRCB=NULL;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Polling Thread\n");
|
|
spin_lock_irq(&pDevice->lock);
|
|
|
|
while ((pDevice->Flags & fMP_POST_READS) &&
|
|
MP_IS_READY(pDevice) &&
|
|
(pDevice->NumRecvFreeList != 0) ) {
|
|
pRCB = pDevice->FirstRecvFreeList;
|
|
pDevice->NumRecvFreeList--;
|
|
ASSERT(pRCB);// cannot be NULL
|
|
DequeueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList);
|
|
ntStatus = PIPEnsBulkInUsbRead(pDevice, pRCB);
|
|
}
|
|
pDevice->bIsRxWorkItemQueued = FALSE;
|
|
spin_unlock_irq(&pDevice->lock);
|
|
|
|
}
|
|
|
|
|
|
void
|
|
RXvFreeRCB(
|
|
PRCB pRCB,
|
|
BOOL bReAllocSkb
|
|
)
|
|
{
|
|
PSDevice pDevice = (PSDevice)pRCB->pDevice;
|
|
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->RXvFreeRCB\n");
|
|
|
|
ASSERT(!pRCB->Ref); // should be 0
|
|
ASSERT(pRCB->pDevice); // shouldn't be NULL
|
|
|
|
if (bReAllocSkb == TRUE) {
|
|
pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
|
|
// todo error handling
|
|
if (pRCB->skb == NULL) {
|
|
DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to re-alloc rx skb\n");
|
|
}else {
|
|
pRCB->skb->dev = pDevice->dev;
|
|
}
|
|
}
|
|
//
|
|
// Insert the RCB back in the Recv free list
|
|
//
|
|
EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB);
|
|
pDevice->NumRecvFreeList++;
|
|
|
|
|
|
if ((pDevice->Flags & fMP_POST_READS) && MP_IS_READY(pDevice) &&
|
|
(pDevice->bIsRxWorkItemQueued == FALSE) ) {
|
|
|
|
pDevice->bIsRxWorkItemQueued = TRUE;
|
|
tasklet_schedule(&pDevice->ReadWorkItem);
|
|
}
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList);
|
|
}
|
|
|
|
|
|
void RXvMngWorkItem(void *Context)
|
|
{
|
|
PSDevice pDevice = (PSDevice) Context;
|
|
PRCB pRCB=NULL;
|
|
PSRxMgmtPacket pRxPacket;
|
|
BOOL bReAllocSkb = FALSE;
|
|
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n");
|
|
|
|
spin_lock_irq(&pDevice->lock);
|
|
while (pDevice->NumRecvMngList!=0)
|
|
{
|
|
pRCB = pDevice->FirstRecvMngList;
|
|
pDevice->NumRecvMngList--;
|
|
DequeueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList);
|
|
if(!pRCB){
|
|
break;
|
|
}
|
|
ASSERT(pRCB);// cannot be NULL
|
|
pRxPacket = &(pRCB->sMngPacket);
|
|
vMgrRxManagePacket((void *) pDevice, &(pDevice->sMgmtObj), pRxPacket);
|
|
pRCB->Ref--;
|
|
if(pRCB->Ref == 0) {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList);
|
|
RXvFreeRCB(pRCB, bReAllocSkb);
|
|
} else {
|
|
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rx Mng Only we have the right to free RCB\n");
|
|
}
|
|
}
|
|
|
|
pDevice->bIsRxMngWorkItemQueued = FALSE;
|
|
spin_unlock_irq(&pDevice->lock);
|
|
|
|
}
|
|
|
|
|