📄 ioctl.c
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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This software is copyrighted by and is the sole property of
* VIA Networking Technologies, Inc. This software may only be used
* in accordance with the corresponding license agreement. Any unauthorized
* use, duplication, transmission, distribution, or disclosure of this
* software is expressly forbidden.
*
* This software is provided by VIA Networking Technologies, Inc. "as is"
* and any express or implied warranties, including, but not limited to, the
* implied warranties of merchantability and fitness for a particular purpose
* are disclaimed. In no event shall VIA Networking Technologies, Inc.
* be liable for any direct, indirect, incidental, special, exemplary, or
* consequential damages.
*
* File: ioctl.c
*
* Purpose: private ioctl functions
*
* Author: Lyndon Chen
*
* Date: Auguest 20, 2003
*
* Functions:
*
* Revision History:
*
*/
#if !defined(__IOCTL_H__)
#include "ioctl.h"
#endif
#if !defined(__IOCMD_H__)
#include "iocmd.h"
#endif
#if !defined(__MAC_H__)
#include "mac.h"
#endif
#if !defined(__CARD_H__)
#include "card.h"
#endif
#if !defined(__HOSTAP_H__)
#include "hostap.h"
#endif
#if !defined(__UMEM_H__)
#include "umem.h"
#endif
#if !defined(__WPACTL_H__)
#include "wpactl.h"
#endif
#if !defined(__RF_H__)
#include "rf.h"
#endif
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
//static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel =MSG_LEVEL_INFO;
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
int private_ioctl(PSDevice pDevice, struct ifreq *rq) {
PSCmdRequest pReq = (PSCmdRequest)rq;
PSMgmtObject pMgmt = pDevice->pMgmt;
int result = 0;
PWLAN_IE_SSID pItemSSID;
SCmdBSSJoin sJoinCmd;
SCmdScan sScanCmd;
SCmdStartAP sStartAPCmd;
SCmdSetWEP sWEPCmd;
SCmdValue sValue;
SBSSIDList sList;
SNodeList sNodeList;
PSBSSIDList pList;
PSNodeList pNodeList;
UINT cbListCount;
PKnownBSS pBSS;
PKnownNodeDB pNode;
UINT ii, jj;
SCmdLinkStatus sLinkStatus;
BYTE abySuppRates[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
BYTE abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
DWORD dwKeyIndex= 0;
BYTE abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
LONG ldBm;
pReq->wResult = 0;
switch(pReq->wCmdCode) {
case WLAN_CMD_BSS_SCAN:
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WLAN_CMD_BSS_SCAN..begin \n");
if (copy_from_user(&sScanCmd, pReq->data, sizeof(SCmdScan))) {
result = -EFAULT;
break;
};
pItemSSID = (PWLAN_IE_SSID)sScanCmd.ssid;
if (pItemSSID->len != 0) {
memset(abyScanSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
memcpy(abyScanSSID, pItemSSID, pItemSSID->len + WLAN_IEHDR_LEN);
}
if (pDevice->bMACSuspend == TRUE) {
if (pDevice->bRadioOff == TRUE)
CARDbRadioPowerOn(pDevice);
vMgrTimerInit(pDevice);
MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE);
add_timer(&pMgmt->sTimerSecondCallback);
pDevice->bMACSuspend = FALSE;
}
spin_lock_irq(&pDevice->lock);
if (memcmp(pMgmt->abyCurrBSSID, &abyNullAddr[0], 6) == 0)
BSSvClearBSSList((HANDLE)pDevice, FALSE);
else
BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
if (pItemSSID->len != 0)
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
else
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
spin_unlock_irq(&pDevice->lock);
break;
case WLAN_CMD_BSS_JOIN:
if (pDevice->bMACSuspend == TRUE) {
if (pDevice->bRadioOff == TRUE)
CARDbRadioPowerOn(pDevice);
vMgrTimerInit(pDevice);
MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE);
add_timer(&pMgmt->sTimerSecondCallback);
pDevice->bMACSuspend = FALSE;
}
if (copy_from_user(&sJoinCmd, pReq->data, sizeof(SCmdBSSJoin))) {
result = -EFAULT;
break;
};
pItemSSID = (PWLAN_IE_SSID)sJoinCmd.ssid;
memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
memcpy(pMgmt->abyDesireSSID, pItemSSID, pItemSSID->len + WLAN_IEHDR_LEN);
if (sJoinCmd.wBSSType == ADHOC) {
pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ioct set to adhoc mode\n");
}
else {
pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ioct set to STA mode\n");
}
if (sJoinCmd.bPSEnable == TRUE) {
pDevice->ePSMode = WMAC_POWER_FAST;
// pDevice->ePSMode = WMAC_POWER_MAX;
pMgmt->wListenInterval = 2;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Power Saving On\n");
}
else {
pDevice->ePSMode = WMAC_POWER_CAM;
pMgmt->wListenInterval = 1;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Power Saving Off \n");
}
if (sJoinCmd.bShareKeyAuth == TRUE){
pMgmt->bShareKeyAlgorithm = TRUE;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Share Key \n");
}
else {
pMgmt->bShareKeyAlgorithm = FALSE;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Open System \n");
}
pDevice->uChannel = sJoinCmd.uChannel;
netif_stop_queue(pDevice->dev);
spin_lock_irq(&pDevice->lock);
pMgmt->eCurrState = WMAC_STATE_IDLE;
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
spin_unlock_irq(&pDevice->lock);
break;
case WLAN_CMD_SET_WEP:
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WLAN_CMD_SET_WEP Key. \n");
memset(&sWEPCmd, 0 ,sizeof(SCmdSetWEP));
if (copy_from_user(&sWEPCmd, pReq->data, sizeof(SCmdSetWEP))) {
result = -EFAULT;
break;
};
if (sWEPCmd.bEnableWep != TRUE) {
pDevice->bEncryptionEnable = FALSE;
pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
MACvDisableDefaultKey(pDevice->PortOffset);
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WEP function disable. \n");
break;
}
for (ii = 0; ii < WLAN_WEP_NKEYS; ii ++) {
if (sWEPCmd.bWepKeyAvailable[ii]) {
if (ii == sWEPCmd.byKeyIndex)
dwKeyIndex |= (1 << 31);
else
dwKeyIndex = ii;
KeybSetDefaultKey(&(pDevice->sKey),
dwKeyIndex,
sWEPCmd.auWepKeyLength[ii],
NULL,
(PBYTE)&sWEPCmd.abyWepKey[ii][0],
KEY_CTL_WEP,
pDevice->PortOffset,
pDevice->byLocalID);
}
}
pDevice->byKeyIndex = sWEPCmd.byKeyIndex;
pDevice->bTransmitKey = TRUE;
pDevice->bEncryptionEnable = TRUE;
pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
break;
case WLAN_CMD_GET_LINK:
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WLAN_CMD_GET_LINK status. \n");
memset(sLinkStatus.abySSID, 0 , WLAN_SSID_MAXLEN + 1);
if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)
sLinkStatus.wBSSType = ADHOC;
else
sLinkStatus.wBSSType = INFRA;
if (pMgmt->eCurrState == WMAC_STATE_JOINTED)
sLinkStatus.byState = ADHOC_JOINTED;
else
sLinkStatus.byState = ADHOC_STARTED;
sLinkStatus.uChannel = pMgmt->uCurrChannel;
if (pDevice->bLinkPass == TRUE) {
sLinkStatus.bLink = TRUE;
pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
memcpy(sLinkStatus.abySSID, pItemSSID->abySSID, pItemSSID->len);
memcpy(sLinkStatus.abyBSSID, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN);
sLinkStatus.uLinkRate = pMgmt->sNodeDBTable[0].wTxDataRate;
DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO" Link Success ! \n");
}
else {
sLinkStatus.bLink = FALSE;
}
if (copy_to_user(pReq->data, &sLinkStatus, sizeof(SCmdLinkStatus))) {
result = -EFAULT;
break;
};
break;
case WLAN_CMD_GET_LISTLEN:
cbListCount = 0;
pBSS = &(pMgmt->sBSSList[0]);
for (ii = 0; ii < MAX_BSS_NUM; ii++) {
pBSS = &(pMgmt->sBSSList[ii]);
if (!pBSS->bActive)
continue;
cbListCount++;
};
sList.uItem = cbListCount;
if (copy_to_user(pReq->data, &sList, sizeof(SBSSIDList))) {
result = -EFAULT;
break;
};
pReq->wResult = 0;
break;
case WLAN_CMD_GET_LIST:
if (copy_from_user(&sList, pReq->data, sizeof(SBSSIDList))) {
result = -EFAULT;
break;
};
pList = (PSBSSIDList)kmalloc(sizeof(SBSSIDList) + (sList.uItem * sizeof(SBSSIDItem)), (int)GFP_ATOMIC);
if (pList == NULL) {
result = -ENOMEM;
break;
}
pList->uItem = sList.uItem;
pBSS = &(pMgmt->sBSSList[0]);
for (ii = 0, jj = 0; jj < MAX_BSS_NUM ; jj++) {
pBSS = &(pMgmt->sBSSList[jj]);
if (pBSS->bActive) {
pList->sBSSIDList[ii].uChannel = pBSS->uChannel;
pList->sBSSIDList[ii].wBeaconInterval = pBSS->wBeaconInterval;
pList->sBSSIDList[ii].wCapInfo = pBSS->wCapInfo;
// pList->sBSSIDList[ii].uRSSI = pBSS->uRSSI;
RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
pList->sBSSIDList[ii].uRSSI = (UINT)ldBm;
memcpy(pList->sBSSIDList[ii].abyBSSID, pBSS->abyBSSID, WLAN_BSSID_LEN);
pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
memset(pList->sBSSIDList[ii].abySSID, 0, WLAN_SSID_MAXLEN + 1);
memcpy(pList->sBSSIDList[ii].abySSID, pItemSSID->abySSID, pItemSSID->len);
if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo)) {
pList->sBSSIDList[ii].byNetType = INFRA;
}
else {
pList->sBSSIDList[ii].byNetType = ADHOC;
}
if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo)) {
pList->sBSSIDList[ii].bWEPOn = TRUE;
}
else {
pList->sBSSIDList[ii].bWEPOn = FALSE;
}
ii ++;
if (ii >= pList->uItem)
break;
}
}
if (copy_to_user(pReq->data, pList, sizeof(SBSSIDList) + (sList.uItem * sizeof(SBSSIDItem)))) {
result = -EFAULT;
break;
};
kfree(pList);
pReq->wResult = 0;
break;
case WLAN_CMD_GET_MIB:
if (copy_to_user(pReq->data, &(pDevice->s802_11Counter), sizeof(SDot11MIBCount))) {
result = -EFAULT;
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