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rtl871x_ioctl_linux.c
2386 lines (2260 loc) · 68.3 KB
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rtl871x_ioctl_linux.c
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/******************************************************************************
* rtl871x_ioctl_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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, USA
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#define _RTL871X_IOCTL_LINUX_C_
#define _RTL871X_MP_IOCTL_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "wlan_bssdef.h"
#include "rtl871x_debug.h"
#include "wifi.h"
#include "rtl871x_mlme.h"
#include "rtl871x_ioctl.h"
#include "rtl871x_ioctl_set.h"
#include "rtl871x_mp_ioctl.h"
#include "mlme_osdep.h"
#include <linux/wireless.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/semaphore.h>
#include <net/iw_handler.h>
#include <linux/if_arp.h>
#define RTL_IOCTL_WPA_SUPPLICANT (SIOCIWFIRSTPRIV + 0x1E)
#define SCAN_ITEM_SIZE 768
#define MAX_CUSTOM_LEN 64
#define RATE_COUNT 4
static const u32 rtl8180_rates[] = {1000000, 2000000, 5500000, 11000000,
6000000, 9000000, 12000000, 18000000,
24000000, 36000000, 48000000, 54000000};
static const long ieee80211_wlan_frequencies[] = {
2412, 2417, 2422, 2427,
2432, 2437, 2442, 2447,
2452, 2457, 2462, 2467,
2472, 2484
};
static const char * const iw_operation_mode[] = {
"Auto", "Ad-Hoc", "Managed", "Master", "Repeater", "Secondary",
"Monitor"
};
/**
* hwaddr_aton - Convert ASCII string to MAC address
* @txt: MAC address as a string (e.g., "00:11:22:33:44:55")
* @addr: Buffer for the MAC address (ETH_ALEN = 6 bytes)
* Returns: 0 on success, -1 on failure (e.g., string not a MAC address)
*/
static int hwaddr_aton_i(const char *txt, u8 *addr)
{
int i;
for (i = 0; i < 6; i++) {
int a, b;
a = hex_to_bin(*txt++);
if (a < 0)
return -1;
b = hex_to_bin(*txt++);
if (b < 0)
return -1;
*addr++ = (a << 4) | b;
if (i < 5 && *txt++ != ':')
return -1;
}
return 0;
}
void r8712_indicate_wx_assoc_event(struct _adapter *padapter)
{
union iwreq_data wrqu;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(wrqu.ap_addr.sa_data, pmlmepriv->cur_network.network.MacAddress,
ETH_ALEN);
wireless_send_event(padapter->pnetdev, SIOCGIWAP, &wrqu, NULL);
}
void r8712_indicate_wx_disassoc_event(struct _adapter *padapter)
{
union iwreq_data wrqu;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
wireless_send_event(padapter->pnetdev, SIOCGIWAP, &wrqu, NULL);
}
static inline void handle_pairwise_key(struct sta_info *psta,
struct ieee_param *param,
struct _adapter *padapter)
{
/* pairwise key */
memcpy(psta->x_UncstKey.skey, param->u.crypt.key,
(param->u.crypt. key_len > 16 ? 16 : param->u.crypt.key_len));
if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
memcpy(psta->tkiptxmickey. skey, &(param->u.crypt.
key[16]), 8);
memcpy(psta->tkiprxmickey. skey, &(param->u.crypt.
key[24]), 8);
padapter->securitypriv. busetkipkey = false;
_set_timer(&padapter->securitypriv.tkip_timer, 50);
}
r8712_setstakey_cmd(padapter, (unsigned char *)psta, true);
}
static inline void handle_group_key(struct ieee_param *param,
struct _adapter *padapter)
{
if (0 < param->u.crypt.idx &&
param->u.crypt.idx < 3) {
/* group key idx is 1 or 2 */
memcpy(padapter->securitypriv.XGrpKey[param->u.crypt.
idx-1].skey, param->u.crypt.key, (param->u.crypt.key_len
> 16 ? 16 : param->u.crypt.key_len));
memcpy(padapter->securitypriv.XGrptxmickey[param->
u.crypt.idx-1].skey, &(param->u.crypt.key[16]), 8);
memcpy(padapter->securitypriv. XGrprxmickey[param->
u.crypt.idx-1].skey, &(param->u.crypt.key[24]), 8);
padapter->securitypriv.binstallGrpkey = true;
r8712_set_key(padapter, &padapter->securitypriv,
param->u.crypt.idx);
if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE) {
if (padapter->registrypriv.power_mgnt != padapter->
pwrctrlpriv.pwr_mode)
_set_timer(&(padapter->mlmepriv.dhcp_timer),
60000);
}
}
}
static inline char *translate_scan(struct _adapter *padapter,
struct iw_request_info *info,
struct wlan_network *pnetwork,
char *start, char *stop)
{
struct iw_event iwe;
struct ieee80211_ht_cap *pht_capie;
char *current_val;
s8 *p;
u32 i = 0, ht_ielen = 0;
u16 cap, ht_cap = false, mcs_rate;
u8 rssi, bw_40MHz = 0, short_GI = 0;
if ((pnetwork->network.Configuration.DSConfig < 1) ||
(pnetwork->network.Configuration.DSConfig > 14)) {
if (pnetwork->network.Configuration.DSConfig < 1)
pnetwork->network.Configuration.DSConfig = 1;
else
pnetwork->network.Configuration.DSConfig = 14;
}
/* AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, pnetwork->network.MacAddress, ETH_ALEN);
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
/* Add the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
iwe.u.data.length = min_t(u32, pnetwork->network.Ssid.SsidLength, 32);
start = iwe_stream_add_point(info, start, stop, &iwe,
pnetwork->network.Ssid.Ssid);
/* parsing HT_CAP_IE */
p = r8712_get_ie(&pnetwork->network.IEs[12], _HT_CAPABILITY_IE_,
&ht_ielen, pnetwork->network.IELength - 12);
if (p && ht_ielen > 0) {
ht_cap = true;
pht_capie = (struct ieee80211_ht_cap *)(p + 2);
memcpy(&mcs_rate , pht_capie->supp_mcs_set, 2);
bw_40MHz = (pht_capie->cap_info&IEEE80211_HT_CAP_SUP_WIDTH)
? 1 : 0;
short_GI = (pht_capie->cap_info&(IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40)) ? 1 : 0;
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
if ((r8712_is_cckratesonly_included((u8 *)&pnetwork->network.
SupportedRates)) == true) {
if (ht_cap == true)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11b");
} else if ((r8712_is_cckrates_included((u8 *)&pnetwork->network.
SupportedRates)) == true) {
if (ht_cap == true)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bgn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bg");
} else {
if (ht_cap == true)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
}
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
memcpy((u8 *)&cap, r8712_get_capability_from_ie(pnetwork->network.IEs),
2);
cap = le16_to_cpu(cap);
if (cap & (WLAN_CAPABILITY_IBSS|WLAN_CAPABILITY_BSS)) {
if (cap & WLAN_CAPABILITY_BSS)
iwe.u.mode = (u32)IW_MODE_MASTER;
else
iwe.u.mode = (u32)IW_MODE_ADHOC;
start = iwe_stream_add_event(info, start, stop, &iwe,
IW_EV_UINT_LEN);
}
/* Add frequency/channel */
iwe.cmd = SIOCGIWFREQ;
{
/* check legal index */
u8 dsconfig = pnetwork->network.Configuration.DSConfig;
if (dsconfig >= 1 && dsconfig <= sizeof(
ieee80211_wlan_frequencies) / sizeof(long))
iwe.u.freq.m = (s32)(ieee80211_wlan_frequencies[
pnetwork->network.Configuration.
DSConfig - 1] * 100000);
else
iwe.u.freq.m = 0;
}
iwe.u.freq.e = (s16)1;
iwe.u.freq.i = (u8)pnetwork->network.Configuration.DSConfig;
start = iwe_stream_add_event(info, start, stop, &iwe,
IW_EV_FREQ_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (cap & WLAN_CAPABILITY_PRIVACY)
iwe.u.data.flags = (u16)(IW_ENCODE_ENABLED |
IW_ENCODE_NOKEY);
else
iwe.u.data.flags = (u16)(IW_ENCODE_DISABLED);
iwe.u.data.length = (u16)0;
start = iwe_stream_add_point(info, start, stop, &iwe,
pnetwork->network.Ssid.Ssid);
/*Add basic and extended rates */
current_val = start + iwe_stream_lcp_len(info);
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = 0;
iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = 0;
i = 0;
while (pnetwork->network.SupportedRates[i] != 0) {
/* Bit rate given in 500 kb/s units */
iwe.u.bitrate.value = (pnetwork->network.SupportedRates[i++] &
0x7F) * 500000;
current_val = iwe_stream_add_value(info, start, current_val,
stop, &iwe, IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if ((current_val - start) > iwe_stream_lcp_len(info))
start = current_val;
/* parsing WPA/WPA2 IE */
{
u8 buf[MAX_WPA_IE_LEN];
u8 wpa_ie[255], rsn_ie[255];
u16 wpa_len = 0, rsn_len = 0;
int n;
sint out_len = 0;
out_len = r8712_get_sec_ie(pnetwork->network.IEs,
pnetwork->network.
IELength, rsn_ie, &rsn_len,
wpa_ie, &wpa_len);
if (wpa_len > 0) {
memset(buf, 0, MAX_WPA_IE_LEN);
n = sprintf(buf, "wpa_ie=");
for (i = 0; i < wpa_len; i++) {
n += snprintf(buf + n, MAX_WPA_IE_LEN - n,
"%02x", wpa_ie[i]);
if (n >= MAX_WPA_IE_LEN)
break;
}
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = (u16)strlen(buf);
start = iwe_stream_add_point(info, start, stop,
&iwe, buf);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = (u16)wpa_len;
start = iwe_stream_add_point(info, start, stop,
&iwe, wpa_ie);
}
if (rsn_len > 0) {
memset(buf, 0, MAX_WPA_IE_LEN);
n = sprintf(buf, "rsn_ie=");
for (i = 0; i < rsn_len; i++) {
n += snprintf(buf + n, MAX_WPA_IE_LEN - n,
"%02x", rsn_ie[i]);
if (n >= MAX_WPA_IE_LEN)
break;
}
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = strlen(buf);
start = iwe_stream_add_point(info, start, stop,
&iwe, buf);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = rsn_len;
start = iwe_stream_add_point(info, start, stop, &iwe,
rsn_ie);
}
}
{ /* parsing WPS IE */
u8 wps_ie[512];
uint wps_ielen;
if (r8712_get_wps_ie(pnetwork->network.IEs,
pnetwork->network.IELength,
wps_ie, &wps_ielen) == true) {
if (wps_ielen > 2) {
iwe.cmd = IWEVGENIE;
iwe.u.data.length = (u16)wps_ielen;
start = iwe_stream_add_point(info, start, stop,
&iwe, wps_ie);
}
}
}
/* Add quality statistics */
iwe.cmd = IWEVQUAL;
rssi = r8712_signal_scale_mapping(pnetwork->network.Rssi);
/* we only update signal_level (signal strength) that is rssi. */
iwe.u.qual.updated = (u8)(IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_UPDATED |
IW_QUAL_NOISE_INVALID);
iwe.u.qual.level = rssi; /* signal strength */
iwe.u.qual.qual = 0; /* signal quality */
iwe.u.qual.noise = 0; /* noise level */
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
/* how to translate rssi to ?% */
return start;
}
static int wpa_set_auth_algs(struct net_device *dev, u32 value)
{
struct _adapter *padapter = (struct _adapter *) netdev_priv(dev);
int ret = 0;
if ((value & AUTH_ALG_SHARED_KEY) && (value & AUTH_ALG_OPEN_SYSTEM)) {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeAutoSwitch;
padapter->securitypriv.AuthAlgrthm = 3;
} else if (value & AUTH_ALG_SHARED_KEY) {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeShared;
padapter->securitypriv.AuthAlgrthm = 1;
} else if (value & AUTH_ALG_OPEN_SYSTEM) {
if (padapter->securitypriv.ndisauthtype <
Ndis802_11AuthModeWPAPSK) {
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeOpen;
padapter->securitypriv.AuthAlgrthm = 0;
}
} else
ret = -EINVAL;
return ret;
}
static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
u32 param_len)
{
int ret = 0;
u32 wep_key_idx, wep_key_len = 0;
struct NDIS_802_11_WEP *pwep = NULL;
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
param->u.crypt.err = 0;
param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len != (u32)((u8 *) param->u.crypt.key - (u8 *)param) +
param->u.crypt.key_len)
return -EINVAL;
if (is_broadcast_ether_addr(param->sta_addr)) {
if (param->u.crypt.idx >= WEP_KEYS) {
/* for large key indices, set the default (0) */
param->u.crypt.idx = 0;
}
} else
return -EINVAL;
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
netdev_info(dev, "r8712u: %s: crypt.alg = WEP\n", __func__);
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.XGrpPrivacy = _WEP40_;
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
if (wep_key_idx >= WEP_KEYS)
wep_key_idx = 0;
if (wep_key_len > 0) {
wep_key_len = wep_key_len <= 5 ? 5 : 13;
pwep = (struct NDIS_802_11_WEP *)_malloc((u32)
(wep_key_len +
FIELD_OFFSET(struct NDIS_802_11_WEP,
KeyMaterial)));
if (pwep == NULL)
return -ENOMEM;
memset(pwep, 0, sizeof(struct NDIS_802_11_WEP));
pwep->KeyLength = wep_key_len;
pwep->Length = wep_key_len +
FIELD_OFFSET(struct NDIS_802_11_WEP,
KeyMaterial);
if (wep_key_len == 13) {
padapter->securitypriv.PrivacyAlgrthm =
_WEP104_;
padapter->securitypriv.XGrpPrivacy =
_WEP104_;
}
} else
return -EINVAL;
pwep->KeyIndex = wep_key_idx;
pwep->KeyIndex |= 0x80000000;
memcpy(pwep->KeyMaterial, param->u.crypt.key, pwep->KeyLength);
if (param->u.crypt.set_tx) {
if (r8712_set_802_11_add_wep(padapter, pwep) ==
(u8)_FAIL)
ret = -EOPNOTSUPP;
} else {
/* don't update "psecuritypriv->PrivacyAlgrthm" and
* "psecuritypriv->PrivacyKeyIndex=keyid", but can
* r8712_set_key to fw/cam
*/
if (wep_key_idx >= WEP_KEYS) {
ret = -EOPNOTSUPP;
goto exit;
}
memcpy(&(psecuritypriv->DefKey[wep_key_idx].
skey[0]), pwep->KeyMaterial,
pwep->KeyLength);
psecuritypriv->DefKeylen[wep_key_idx] =
pwep->KeyLength;
r8712_set_key(padapter, psecuritypriv, wep_key_idx);
}
goto exit;
}
if (padapter->securitypriv.AuthAlgrthm == 2) { /* 802_1x */
struct sta_info *psta, *pbcmc_sta;
struct sta_priv *pstapriv = &padapter->stapriv;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE |
WIFI_MP_STATE) == true) { /* sta mode */
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
if (psta) {
psta->ieee8021x_blocked = false;
if ((padapter->securitypriv.ndisencryptstatus ==
Ndis802_11Encryption2Enabled) ||
(padapter->securitypriv.ndisencryptstatus ==
Ndis802_11Encryption3Enabled))
psta->XPrivacy = padapter->
securitypriv.PrivacyAlgrthm;
if (param->u.crypt.set_tx == 1)
handle_pairwise_key(psta, param,
padapter);
else /* group key */
handle_group_key(param, padapter);
}
pbcmc_sta = r8712_get_bcmc_stainfo(padapter);
if (pbcmc_sta) {
pbcmc_sta->ieee8021x_blocked = false;
if ((padapter->securitypriv.ndisencryptstatus ==
Ndis802_11Encryption2Enabled) ||
(padapter->securitypriv.ndisencryptstatus ==
Ndis802_11Encryption3Enabled))
pbcmc_sta->XPrivacy =
padapter->securitypriv.
PrivacyAlgrthm;
}
}
}
exit:
kfree((u8 *)pwep);
return ret;
}
static int r871x_set_wpa_ie(struct _adapter *padapter, char *pie,
unsigned short ielen)
{
u8 *buf = NULL, *pos = NULL;
int group_cipher = 0, pairwise_cipher = 0;
int ret = 0;
if ((ielen > MAX_WPA_IE_LEN) || (pie == NULL))
return -EINVAL;
if (ielen) {
buf = _malloc(ielen);
if (buf == NULL)
return -ENOMEM;
memcpy(buf, pie , ielen);
pos = buf;
if (ielen < RSN_HEADER_LEN) {
ret = -EINVAL;
goto exit;
}
if (r8712_parse_wpa_ie(buf, ielen, &group_cipher,
&pairwise_cipher) == _SUCCESS) {
padapter->securitypriv.AuthAlgrthm = 2;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPAPSK;
}
if (r8712_parse_wpa2_ie(buf, ielen, &group_cipher,
&pairwise_cipher) == _SUCCESS) {
padapter->securitypriv.AuthAlgrthm = 2;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPA2PSK;
}
switch (group_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.XGrpPrivacy =
_NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.XGrpPrivacy = _WEP40_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.XGrpPrivacy = _TKIP_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.XGrpPrivacy = _AES_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.XGrpPrivacy = _WEP104_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
}
switch (pairwise_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.PrivacyAlgrthm =
_NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.PrivacyAlgrthm = _TKIP_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.PrivacyAlgrthm = _AES_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.PrivacyAlgrthm = _WEP104_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
}
padapter->securitypriv.wps_phase = false;
{/* set wps_ie */
u16 cnt = 0;
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
while (cnt < ielen) {
eid = buf[cnt];
if ((eid == _VENDOR_SPECIFIC_IE_) &&
(!memcmp(&buf[cnt+2], wps_oui, 4))) {
netdev_info(padapter->pnetdev, "r8712u: SET WPS_IE\n");
padapter->securitypriv.wps_ie_len =
((buf[cnt+1] + 2) <
(MAX_WPA_IE_LEN << 2)) ?
(buf[cnt + 1] + 2) :
(MAX_WPA_IE_LEN << 2);
memcpy(padapter->securitypriv.wps_ie,
&buf[cnt],
padapter->securitypriv.wps_ie_len);
padapter->securitypriv.wps_phase =
true;
netdev_info(padapter->pnetdev, "r8712u: SET WPS_IE, wps_phase==true\n");
cnt += buf[cnt+1]+2;
break;
} else
cnt += buf[cnt + 1] + 2;
}
}
}
exit:
kfree(buf);
return ret;
}
static int r8711_wx_get_name(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
u32 ht_ielen = 0;
char *p;
u8 ht_cap = false;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ndis_wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
NDIS_802_11_RATES_EX *prates = NULL;
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE) ==
true) {
/* parsing HT_CAP_IE */
p = r8712_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_,
&ht_ielen, pcur_bss->IELength - 12);
if (p && ht_ielen > 0)
ht_cap = true;
prates = &pcur_bss->SupportedRates;
if (r8712_is_cckratesonly_included((u8 *)prates) == true) {
if (ht_cap == true)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11b");
} else if ((r8712_is_cckrates_included((u8 *)prates)) == true) {
if (ht_cap == true)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bgn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bg");
} else {
if (ht_cap == true)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11gn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11g");
}
} else
snprintf(wrqu->name, IFNAMSIZ, "unassociated");
return 0;
}
static const long frequency_list[] = {
2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462,
2467, 2472, 2484, 4915, 4920, 4925, 4935, 4940, 4945, 4960, 4980,
5035, 5040, 5045, 5055, 5060, 5080, 5170, 5180, 5190, 5200, 5210,
5220, 5230, 5240, 5260, 5280, 5300, 5320, 5500, 5520, 5540, 5560,
5580, 5600, 5620, 5640, 5660, 5680, 5700, 5745, 5765, 5785, 5805,
5825
};
static int r8711_wx_set_freq(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct iw_freq *fwrq = &wrqu->freq;
int rc = 0;
/* If setting by frequency, convert to a channel */
if ((fwrq->e == 1) &&
(fwrq->m >= (int) 2.412e8) &&
(fwrq->m <= (int) 2.487e8)) {
int f = fwrq->m / 100000;
int c = 0;
while ((c < 14) && (f != frequency_list[c]))
c++;
fwrq->e = 0;
fwrq->m = c + 1;
}
/* Setting by channel number */
if ((fwrq->m > 14) || (fwrq->e > 0))
rc = -EOPNOTSUPP;
else {
int channel = fwrq->m;
if ((channel < 1) || (channel > 14))
rc = -EINVAL;
else {
/* Yes ! We can set it !!! */
padapter->registrypriv.channel = channel;
}
}
return rc;
}
static int r8711_wx_get_freq(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ndis_wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
wrqu->freq.m = ieee80211_wlan_frequencies[
pcur_bss->Configuration.DSConfig-1] * 100000;
wrqu->freq.e = 1;
wrqu->freq.i = pcur_bss->Configuration.DSConfig;
} else {
return -ENOLINK;
}
return 0;
}
static int r8711_wx_set_mode(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
enum NDIS_802_11_NETWORK_INFRASTRUCTURE networkType;
switch (wrqu->mode) {
case IW_MODE_AUTO:
networkType = Ndis802_11AutoUnknown;
break;
case IW_MODE_ADHOC:
networkType = Ndis802_11IBSS;
break;
case IW_MODE_MASTER:
networkType = Ndis802_11APMode;
break;
case IW_MODE_INFRA:
networkType = Ndis802_11Infrastructure;
break;
default:
return -EINVAL;
}
if (Ndis802_11APMode == networkType)
r8712_setopmode_cmd(padapter, networkType);
else
r8712_setopmode_cmd(padapter, Ndis802_11AutoUnknown);
r8712_set_802_11_infrastructure_mode(padapter, networkType);
return 0;
}
static int r8711_wx_get_mode(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
wrqu->mode = IW_MODE_INFRA;
else if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) == true)
wrqu->mode = IW_MODE_ADHOC;
else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
wrqu->mode = IW_MODE_MASTER;
else
wrqu->mode = IW_MODE_AUTO;
return 0;
}
static int r871x_wx_set_pmkid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = (struct _adapter *)netdev_priv(dev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct iw_pmksa *pPMK = (struct iw_pmksa *) extra;
u8 strZeroMacAddress[ETH_ALEN] = {0x00};
u8 strIssueBssid[ETH_ALEN] = {0x00};
u8 j, blInserted = false;
int intReturn = false;
/*
There are the BSSID information in the bssid.sa_data array.
If cmd is IW_PMKSA_FLUSH, it means the wpa_supplicant wants to clear
all the PMKID information. If cmd is IW_PMKSA_ADD, it means the
wpa_supplicant wants to add a PMKID/BSSID to driver.
If cmd is IW_PMKSA_REMOVE, it means the wpa_supplicant wants to
remove a PMKID/BSSID from driver.
*/
if (pPMK == NULL)
return -EINVAL;
memcpy(strIssueBssid, pPMK->bssid.sa_data, ETH_ALEN);
switch (pPMK->cmd) {
case IW_PMKSA_ADD:
if (!memcmp(strIssueBssid, strZeroMacAddress, ETH_ALEN))
return intReturn;
else
intReturn = true;
blInserted = false;
/* overwrite PMKID */
for (j = 0 ; j < NUM_PMKID_CACHE; j++) {
if (!memcmp(psecuritypriv->PMKIDList[j].Bssid,
strIssueBssid, ETH_ALEN)) {
/* BSSID is matched, the same AP => rewrite
* with new PMKID. */
netdev_info(dev, "r8712u: %s: BSSID exists in the PMKList.\n",
__func__);
memcpy(psecuritypriv->PMKIDList[j].PMKID,
pPMK->pmkid, IW_PMKID_LEN);
psecuritypriv->PMKIDList[j].bUsed = true;
psecuritypriv->PMKIDIndex = j + 1;
blInserted = true;
break;
}
}
if (!blInserted) {
/* Find a new entry */
netdev_info(dev, "r8712u: %s: Use the new entry index = %d for this PMKID.\n",
__func__, psecuritypriv->PMKIDIndex);
memcpy(psecuritypriv->PMKIDList[psecuritypriv->
PMKIDIndex].Bssid, strIssueBssid, ETH_ALEN);
memcpy(psecuritypriv->PMKIDList[psecuritypriv->
PMKIDIndex].PMKID, pPMK->pmkid, IW_PMKID_LEN);
psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].
bUsed = true;
psecuritypriv->PMKIDIndex++ ;
if (psecuritypriv->PMKIDIndex == NUM_PMKID_CACHE)
psecuritypriv->PMKIDIndex = 0;
}
break;
case IW_PMKSA_REMOVE:
intReturn = true;
for (j = 0; j < NUM_PMKID_CACHE; j++) {
if (!memcmp(psecuritypriv->PMKIDList[j].Bssid,
strIssueBssid, ETH_ALEN)) {
/* BSSID is matched, the same AP => Remove
* this PMKID information and reset it. */
memset(psecuritypriv->PMKIDList[j].Bssid,
0x00, ETH_ALEN);
psecuritypriv->PMKIDList[j].bUsed = false;
break;
}
}
break;
case IW_PMKSA_FLUSH:
memset(psecuritypriv->PMKIDList, 0,
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
psecuritypriv->PMKIDIndex = 0;
intReturn = true;
break;
default:
netdev_info(dev, "r8712u: %s: unknown Command\n", __func__);
intReturn = false;
break;
}
return intReturn;
}
static int r8711_wx_get_sens(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
wrqu->sens.value = 0;
wrqu->sens.fixed = 0; /* no auto select */
wrqu->sens.disabled = 1;
return 0;
}
static int r8711_wx_get_range(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_range *range = (struct iw_range *)extra;
u16 val;
int i;
wrqu->data.length = sizeof(*range);
memset(range, 0, sizeof(*range));
/* Let's try to keep this struct in the same order as in
* linux/include/wireless.h
*/
/* TODO: See what values we can set, and remove the ones we can't
* set, or fill them with some default data.
*/
/* ~5 Mb/s real (802.11b) */
range->throughput = 5 * 1000 * 1000;
/* TODO: 8711 sensitivity ? */
/* signal level threshold range */
/* percent values between 0 and 100. */
range->max_qual.qual = 100;
range->max_qual.level = 100;
range->max_qual.noise = 100;
range->max_qual.updated = 7; /* Updated all three */
range->avg_qual.qual = 92; /* > 8% missed beacons is 'bad' */
/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
range->avg_qual.level = 20 + -98;
range->avg_qual.noise = 0;
range->avg_qual.updated = 7; /* Updated all three */
range->num_bitrates = RATE_COUNT;
for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++)
range->bitrate[i] = rtl8180_rates[i];
range->min_frag = MIN_FRAG_THRESHOLD;
range->max_frag = MAX_FRAG_THRESHOLD;
range->pm_capa = 0;
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 16;
range->num_channels = 14;
for (i = 0, val = 0; i < 14; i++) {
/* Include only legal frequencies for some countries */
range->freq[val].i = i + 1;
range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
range->freq[val].e = 1;
val++;
if (val == IW_MAX_FREQUENCIES)
break;
}
range->num_frequency = val;
range->enc_capa = IW_ENC_CAPA_WPA |
IW_ENC_CAPA_WPA2 |
IW_ENC_CAPA_CIPHER_TKIP |
IW_ENC_CAPA_CIPHER_CCMP;
return 0;
}
static int r8711_wx_get_rate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra);
static int r871x_wx_set_priv(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *awrq,
char *extra)
{
int ret = 0, len = 0;
char *ext;
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *dwrq = (struct iw_point *)awrq;
len = dwrq->length;
ext = _malloc(len);
if (!ext)
return -ENOMEM;
if (copy_from_user(ext, dwrq->pointer, len)) {
kfree(ext);
return -EFAULT;
}
if (0 == strcasecmp(ext, "RSSI")) {
/*Return received signal strength indicator in -db for */
/* current AP */
/*<ssid> Rssi xx */
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_network *pcur_network = &pmlmepriv->cur_network;
/*static u8 xxxx; */
if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
sprintf(ext, "%s rssi %d",
pcur_network->network.Ssid.Ssid,
/*(xxxx=xxxx+10) */
((padapter->recvpriv.fw_rssi)>>1)-95
/*pcur_network->network.Rssi */
);
} else {
sprintf(ext, "OK");
}
} else if (0 == strcasecmp(ext, "LINKSPEED")) {
/*Return link speed in MBPS */
/*LinkSpeed xx */
union iwreq_data wrqd;
int ret_inner;
int mbps;
ret_inner = r8711_wx_get_rate(dev, info, &wrqd, extra);
if (0 != ret_inner)
mbps = 0;
else
mbps = wrqd.bitrate.value / 1000000;
sprintf(ext, "LINKSPEED %d", mbps);