- 根目录:
- drivers
- staging
- vt6655
- hostap.c
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: hostap.c
*
* Purpose: handle hostap deamon ioctl input/out functions
*
* Author: Lyndon Chen
*
* Date: Oct. 20, 2003
*
* Functions:
*
* Revision History:
*
*/
#include "hostap.h"
#include "iocmd.h"
#include "mac.h"
#include "card.h"
#include "baseband.h"
#include "wpactl.h"
#include "key.h"
#define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
//static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel = MSG_LEVEL_INFO;
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*
* Description:
* register net_device (AP) for hostap deamon
*
* Parameters:
* In:
* pDevice -
* rtnl_locked -
* Out:
*
* Return Value:
*
*/
static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
{
PSDevice apdev_priv;
struct net_device *dev = pDevice->dev;
int ret;
const struct net_device_ops apdev_netdev_ops = {
.ndo_start_xmit = pDevice->tx_80211,
};
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
if (pDevice->apdev == NULL)
return -ENOMEM;
apdev_priv = netdev_priv(pDevice->apdev);
*apdev_priv = *pDevice;
memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
pDevice->apdev->netdev_ops = &apdev_netdev_ops;
pDevice->apdev->type = ARPHRD_IEEE80211;
pDevice->apdev->base_addr = dev->base_addr;
pDevice->apdev->irq = dev->irq;
pDevice->apdev->mem_start = dev->mem_start;
pDevice->apdev->mem_end = dev->mem_end;
sprintf(pDevice->apdev->name, "%sap", dev->name);
if (rtnl_locked)
ret = register_netdevice(pDevice->apdev);
else
ret = register_netdev(pDevice->apdev);
if (ret) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdevice(AP) failed!\n",
dev->name);
return -1;
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdevice %s for AP management\n",
dev->name, pDevice->apdev->name);
KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
return 0;
}
/*
* Description:
* unregister net_device(AP)
*
* Parameters:
* In:
* pDevice -
* rtnl_locked -
* Out:
*
* Return Value:
*
*/
static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
{
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: disabling hostapd mode\n", pDevice->dev->name);
if (pDevice->apdev && pDevice->apdev->name && pDevice->apdev->name[0]) {
if (rtnl_locked)
unregister_netdevice(pDevice->apdev);
else
unregister_netdev(pDevice->apdev);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
kfree(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
pDevice->bEncryptionEnable = false;
//4.2007-0118-03,<Add> by EinsnLiu
//execute some clear work
pDevice->pMgmt->byCSSPK = KEY_CTL_NONE;
pDevice->pMgmt->byCSSGK = KEY_CTL_NONE;
KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
return 0;
}
/*
* Description:
* Set enable/disable hostapd mode
*
* Parameters:
* In:
* pDevice -
* rtnl_locked -
* Out:
*
* Return Value:
*
*/
int vt6655_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
{
if (val < 0 || val > 1)
return -EINVAL;
if (pDevice->bEnableHostapd == val)
return 0;
pDevice->bEnableHostapd = val;
if (val)
return hostap_enable_hostapd(pDevice, rtnl_locked);
else
return hostap_disable_hostapd(pDevice, rtnl_locked);
}
/*
* Description:
* remove station function supported for hostap deamon
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_remove_sta(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
unsigned int uNodeIndex;
if (BSSDBbIsSTAInNodeDB(pDevice->pMgmt, param->sta_addr, &uNodeIndex)) {
BSSvRemoveOneNode(pDevice, uNodeIndex);
} else {
return -ENOENT;
}
return 0;
}
/*
* Description:
* add a station from hostap deamon
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_add_sta(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned int uNodeIndex;
if (!BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex);
}
memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
// TODO listenInterval
// pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = false;
pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
// set max tx rate
pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
// set max basic rate
pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
// Todo: check sta preamble, if ap can't support, set status code
pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
pMgmt->sNodeDBTable[uNodeIndex].wAID = (unsigned short)param->u.add_sta.aid;
pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
param->sta_addr[0],
param->sta_addr[1],
param->sta_addr[2],
param->sta_addr[3],
param->sta_addr[4],
param->sta_addr[5]
);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
return 0;
}
/*
* Description:
* get station info
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_get_info_sta(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned int uNodeIndex;
if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
param->u.get_info_sta.inactive_sec =
(jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
//param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
} else {
return -ENOENT;
}
return 0;
}
/*
* Description:
* reset txexec
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
* true, false
*
* Return Value:
*
*/
/*
static int hostap_reset_txexc_sta(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned int uNodeIndex;
if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts = 0;
} else {
return -ENOENT;
}
return 0;
}
*/
/*
* Description:
* set station flag
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_set_flags_sta(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned int uNodeIndex;
if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x \n",
(unsigned int)pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
} else {
return -ENOENT;
}
return 0;
}
/*
* Description:
* set generic element (wpa ie)
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_set_generic_element(PSDevice pDevice,
struct viawget_hostapd_param *param)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
memcpy(pMgmt->abyWPAIE,
param->u.generic_elem.data,
param->u.generic_elem.len
);
pMgmt->wWPAIELen = param->u.generic_elem.len;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->wWPAIELen = %d\n", pMgmt->wWPAIELen);
// disable wpa
if (pMgmt->wWPAIELen == 0) {
pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
} else {
// enable wpa
if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
(pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
} else
return -EINVAL;
}
return 0;
}
/*
* Description:
* flush station nodes table.
*
* Parameters:
* In:
* pDevice -
* Out:
*
* Return Value:
*
*/
static void hostap_flush_sta(PSDevice pDevice)
{
// reserved node index =0 for multicast node.
BSSvClearNodeDBTable(pDevice, 1);
pDevice->uAssocCount = 0;
return;
}
/*
* Description:
* set each stations encryption key
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_set_encryption(PSDevice pDevice,
struct viawget_hostapd_param *param,
int param_len)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned long dwKeyIndex = 0;
unsigned char abyKey[MAX_KEY_LEN];
unsigned char abySeq[MAX_KEY_LEN];
NDIS_802_11_KEY_RSC KeyRSC;
unsigned char byKeyDecMode = KEY_CTL_WEP;
int ret = 0;
int iNodeIndex = -1;
int ii;
bool bKeyTableFull = false;
unsigned short wKeyCtl = 0;
param->u.crypt.err = 0;
/*
if (param_len !=
(int) ((char *) param->u.crypt.key - (char *) param) +
param->u.crypt.key_len)
return -EINVAL;
*/
if (param->u.crypt.alg > WPA_ALG_CCMP)
return -EINVAL;
if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
return -EINVAL;
}
if (is_broadcast_ether_addr(param->sta_addr)) {
if (param->u.crypt.idx >= MAX_GROUP_KEY)
return -EINVAL;
iNodeIndex = 0;
} else {
if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
return -EINVAL;
}
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
if (param->u.crypt.alg == WPA_ALG_NONE) {
if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
if (KeybRemoveKey(&(pDevice->sKey),
param->sta_addr,
pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex,
pDevice->PortOffset) == false) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
}
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
}
pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
0,
MAX_KEY_LEN
);
return ret;
}
memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
// copy to node key tbl
pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
param->u.crypt.key,
param->u.crypt.key_len
);
dwKeyIndex = (unsigned long)(param->u.crypt.idx);
if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
pDevice->bTransmitKey = true;
dwKeyIndex |= (1 << 31);
}
if (param->u.crypt.alg == WPA_ALG_WEP) {
if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
KeybSetDefaultKey(&(pDevice->sKey),
dwKeyIndex & ~(BIT30 | USE_KEYRSC),
param->u.crypt.key_len,
NULL,
abyKey,
KEY_CTL_WEP,
pDevice->PortOffset,
pDevice->byLocalID);
} else {
// 8021x enable, individual key
dwKeyIndex |= (1 << 30); // set pairwise key
if (KeybSetKey(&(pDevice->sKey),
¶m->sta_addr[0],
dwKeyIndex & ~(USE_KEYRSC),
param->u.crypt.key_len,
(PQWORD) &(KeyRSC),
(unsigned char *)abyKey,
KEY_CTL_WEP,
pDevice->PortOffset,
pDevice->byLocalID) == true) {
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
} else {
// Key Table Full
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
bKeyTableFull = true;
}
}
pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
pDevice->bEncryptionEnable = true;
pMgmt->byCSSPK = KEY_CTL_WEP;
pMgmt->byCSSGK = KEY_CTL_WEP;
pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
return ret;
}
if (param->u.crypt.seq) {
memcpy(&abySeq, param->u.crypt.seq, 8);
for (ii = 0; ii < 8; ii++)
KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
dwKeyIndex |= 1 << 29;
pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
}
if (param->u.crypt.alg == WPA_ALG_TKIP) {
if (param->u.crypt.key_len != MAX_KEY_LEN)
return -EINVAL;
pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
byKeyDecMode = KEY_CTL_TKIP;
pMgmt->byCSSPK = KEY_CTL_TKIP;
pMgmt->byCSSGK = KEY_CTL_TKIP;
}
if (param->u.crypt.alg == WPA_ALG_CCMP) {
if ((param->u.crypt.key_len != AES_KEY_LEN) ||
(pDevice->byLocalID <= REV_ID_VT3253_A1))
return -EINVAL;
pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
byKeyDecMode = KEY_CTL_CCMP;
pMgmt->byCSSPK = KEY_CTL_CCMP;
pMgmt->byCSSGK = KEY_CTL_CCMP;
}
if (iNodeIndex == 0) {
KeybSetDefaultKey(&(pDevice->sKey),
dwKeyIndex,
param->u.crypt.key_len,
(PQWORD) &(KeyRSC),
abyKey,
byKeyDecMode,
pDevice->PortOffset,
pDevice->byLocalID);
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
} else {
dwKeyIndex |= (1 << 30); // set pairwise key
if (KeybSetKey(&(pDevice->sKey),
¶m->sta_addr[0],
dwKeyIndex,
param->u.crypt.key_len,
(PQWORD) &(KeyRSC),
(unsigned char *)abyKey,
byKeyDecMode,
pDevice->PortOffset,
pDevice->byLocalID) == true) {
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
} else {
// Key Table Full
pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
bKeyTableFull = true;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
}
}
if (bKeyTableFull == true) {
wKeyCtl &= 0x7F00; // clear all key control filed
wKeyCtl |= (byKeyDecMode << 4);
wKeyCtl |= (byKeyDecMode);
wKeyCtl |= 0x0044; // use group key for all address
wKeyCtl |= 0x4000; // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
param->u.crypt.key_len);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
);
// set wep key
pDevice->bEncryptionEnable = true;
pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
return ret;
}
/*
* Description:
* get each stations encryption key
*
* Parameters:
* In:
* pDevice -
* param -
* Out:
*
* Return Value:
*
*/
static int hostap_get_encryption(PSDevice pDevice,
struct viawget_hostapd_param *param,
int param_len)
{
PSMgmtObject pMgmt = pDevice->pMgmt;
int ret = 0;
int ii;
int iNodeIndex = 0;
param->u.crypt.err = 0;
if (is_broadcast_ether_addr(param->sta_addr)) {
iNodeIndex = 0;
} else {
if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
return -EINVAL;
}
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
memset(param->u.crypt.seq, 0, 8);
for (ii = 0; ii < 8; ii++) {
param->u.crypt.seq[ii] = (unsigned char)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
}
return ret;
}
/*
* Description:
* vt6655_hostap_ioctl main function supported for hostap deamon.
*
* Parameters:
* In:
* pDevice -
* iw_point -
* Out:
*
* Return Value:
*
*/
int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
{
struct viawget_hostapd_param *param;
int ret = 0;
int ap_ioctl = 0;
if (p->length < sizeof(struct viawget_hostapd_param) ||
p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
return -EINVAL;
param = kmalloc((int)p->length, (int)GFP_KERNEL);
if (param == NULL)
return -ENOMEM;
if (copy_from_user(param, p->pointer, p->length)) {
ret = -EFAULT;
goto out;
}
switch (param->cmd) {
case VIAWGET_HOSTAPD_SET_ENCRYPTION:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
spin_lock_irq(&pDevice->lock);
ret = hostap_set_encryption(pDevice, param, p->length);
spin_unlock_irq(&pDevice->lock);
break;
case VIAWGET_HOSTAPD_GET_ENCRYPTION:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
spin_lock_irq(&pDevice->lock);
ret = hostap_get_encryption(pDevice, param, p->length);
spin_unlock_irq(&pDevice->lock);
break;
case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
return -EOPNOTSUPP;
break;
case VIAWGET_HOSTAPD_FLUSH:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
spin_lock_irq(&pDevice->lock);
hostap_flush_sta(pDevice);
spin_unlock_irq(&pDevice->lock);
break;
case VIAWGET_HOSTAPD_ADD_STA:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
spin_lock_irq(&pDevice->lock);
ret = hostap_add_sta(pDevice, param);
spin_unlock_irq(&pDevice->lock);
break;
case VIAWGET_HOSTAPD_REMOVE_STA:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
spin_lock_irq(&pDevice->lock);
ret = hostap_remove_sta(pDevice, param);
spin_unlock_irq(&pDevice->lock);
break;
case VIAWGET_HOSTAPD_GET_INFO_STA:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
ret = hostap_get_info_sta(pDevice, param);
ap_ioctl = 1;
break;
/*
case VIAWGET_HOSTAPD_RESET_TXEXC_STA:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_RESET_TXEXC_STA \n");
ret = hostap_reset_txexc_sta(pDevice, param);
break;
*/
case VIAWGET_HOSTAPD_SET_FLAGS_STA:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
ret = hostap_set_flags_sta(pDevice, param);
break;
case VIAWGET_HOSTAPD_MLME:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
return -EOPNOTSUPP;
case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
ret = hostap_set_generic_element(pDevice, param);
break;
case VIAWGET_HOSTAPD_SCAN_REQ:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
return -EOPNOTSUPP;
case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
return -EOPNOTSUPP;
default:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6655_hostap_ioctl: unknown cmd=%d\n",
(int)param->cmd);
return -EOPNOTSUPP;
break;
}
if ((ret == 0) && ap_ioctl) {
if (copy_to_user(p->pointer, param, p->length)) {
ret = -EFAULT;
goto out;
}
}
out:
kfree(param);
return ret;
}