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:
if (param != NULL)
kfree(param);
return ret;
}
static int prism2_ioctl_siwencode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq, char *keybuf)
{
struct hostap_interface *iface;
local_info_t *local;
int i;
struct lib80211_crypt_data **crypt;
iface = netdev_priv(dev);
local = iface->local;
i = erq->flags & IW_ENCODE_INDEX;
if (i < 1 || i > 4)
i = local->crypt_info.tx_keyidx;
else
i--;
if (i < 0 || i >= WEP_KEYS)
return -EINVAL;
crypt = &local->crypt_info.crypt[i];
if (erq->flags & IW_ENCODE_DISABLED) {
if (*crypt)
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
goto done;
}
if (*crypt != NULL && (*crypt)->ops != NULL &&
strcmp((*crypt)->ops->name, "WEP") != 0) {
/* changing to use WEP; deinit previously used algorithm */
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
}
if (*crypt == NULL) {
struct lib80211_crypt_data *new_crypt;
/* take WEP into use */
new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
GFP_KERNEL);
if (new_crypt == NULL)
return -ENOMEM;
new_crypt->ops = lib80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("lib80211_crypt_wep");
new_crypt->ops = lib80211_get_crypto_ops("WEP");
}
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(i);
if (!new_crypt->ops || !new_crypt->priv) {
kfree(new_crypt);
new_crypt = NULL;
printk(KERN_WARNING "%s: could not initialize WEP: "
"load module hostap_crypt_wep.o\n",
dev->name);
return -EOPNOTSUPP;
}
*crypt = new_crypt;
}
if (erq->length > 0) {
int len = erq->length <= 5 ? 5 : 13;
int first = 1, j;
if (len > erq->length)
memset(keybuf + erq->length, 0, len - erq->length);
(*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
for (j = 0; j < WEP_KEYS; j++) {
if (j != i && local->crypt_info.crypt[j]) {
first = 0;
break;
}
}
if (first)
local->crypt_info.tx_keyidx = i;
} else {
/* No key data - just set the default TX key index */
local->crypt_info.tx_keyidx = i;
}
done:
local->open_wep = erq->flags & IW_ENCODE_OPEN;
if (hostap_set_encryption(local)) {
printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
return -EINVAL;
}
/* Do not reset port0 if card is in Managed mode since resetting will
* generate new IEEE 802.11 authentication which may end up in looping
* with IEEE 802.1X. Prism2 documentation seem to require port reset
* after WEP configuration. However, keys are apparently changed at
* least in Managed mode. */
if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
return -EINVAL;
}
return 0;
}
