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ioctl_cfg80211.c
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ioctl_cfg80211.c
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// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#define _IOCTL_CFG80211_C_
#include <linux/etherdevice.h>
#include <drv_types.h>
#include <rtw_debug.h>
#include <linux/jiffies.h>
#include <rtw_wifi_regd.h>
#define RTW_MAX_MGMT_TX_CNT (8)
#define RTW_SCAN_IE_LEN_MAX 2304
#define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
#define RTW_MAX_NUM_PMKIDS 4
static const u32 rtw_cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
WLAN_CIPHER_SUITE_AES_CMAC,
};
#define RATETAB_ENT(_rate, _rateid, _flags) \
{ \
.bitrate = (_rate), \
.hw_value = (_rateid), \
.flags = (_flags), \
}
#define CHAN2G(_channel, _freq, _flags) { \
.band = NL80211_BAND_2GHZ, \
.center_freq = (_freq), \
.hw_value = (_channel), \
.flags = (_flags), \
.max_antenna_gain = 0, \
.max_power = 30, \
}
/* if wowlan is not supported, kernel generate a disconnect at each suspend
* cf: /net/wireless/sysfs.c, so register a stub wowlan.
* Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
* (from user space, e.g. iw phy0 wowlan enable)
*/
static const struct wiphy_wowlan_support wowlan_stub = {
.flags = WIPHY_WOWLAN_ANY,
.n_patterns = 0,
.pattern_max_len = 0,
.pattern_min_len = 0,
.max_pkt_offset = 0,
};
static struct ieee80211_rate rtw_rates[] = {
RATETAB_ENT(10, 0x1, 0),
RATETAB_ENT(20, 0x2, 0),
RATETAB_ENT(55, 0x4, 0),
RATETAB_ENT(110, 0x8, 0),
RATETAB_ENT(60, 0x10, 0),
RATETAB_ENT(90, 0x20, 0),
RATETAB_ENT(120, 0x40, 0),
RATETAB_ENT(180, 0x80, 0),
RATETAB_ENT(240, 0x100, 0),
RATETAB_ENT(360, 0x200, 0),
RATETAB_ENT(480, 0x400, 0),
RATETAB_ENT(540, 0x800, 0),
};
#define rtw_a_rates (rtw_rates + 4)
#define RTW_A_RATES_NUM 8
#define rtw_g_rates (rtw_rates + 0)
#define RTW_G_RATES_NUM 12
#define RTW_2G_CHANNELS_NUM 14
#define RTW_5G_CHANNELS_NUM 37
static struct ieee80211_channel rtw_2ghz_channels[] = {
CHAN2G(1, 2412, 0),
CHAN2G(2, 2417, 0),
CHAN2G(3, 2422, 0),
CHAN2G(4, 2427, 0),
CHAN2G(5, 2432, 0),
CHAN2G(6, 2437, 0),
CHAN2G(7, 2442, 0),
CHAN2G(8, 2447, 0),
CHAN2G(9, 2452, 0),
CHAN2G(10, 2457, 0),
CHAN2G(11, 2462, 0),
CHAN2G(12, 2467, 0),
CHAN2G(13, 2472, 0),
CHAN2G(14, 2484, 0),
};
static void rtw_2g_channels_init(struct ieee80211_channel *channels)
{
memcpy((void *)channels, (void *)rtw_2ghz_channels,
sizeof(struct ieee80211_channel)*RTW_2G_CHANNELS_NUM
);
}
static void rtw_2g_rates_init(struct ieee80211_rate *rates)
{
memcpy(rates, rtw_g_rates,
sizeof(struct ieee80211_rate)*RTW_G_RATES_NUM
);
}
static struct ieee80211_supported_band *rtw_spt_band_alloc(
enum nl80211_band band
)
{
struct ieee80211_supported_band *spt_band = NULL;
int n_channels, n_bitrates;
if (band == NL80211_BAND_2GHZ)
{
n_channels = RTW_2G_CHANNELS_NUM;
n_bitrates = RTW_G_RATES_NUM;
}
else
{
goto exit;
}
spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
sizeof(struct ieee80211_channel) * n_channels +
sizeof(struct ieee80211_rate) * n_bitrates);
if (!spt_band)
goto exit;
spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band)+sizeof(struct ieee80211_supported_band));
spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels)+sizeof(struct ieee80211_channel)*n_channels);
spt_band->band = band;
spt_band->n_channels = n_channels;
spt_band->n_bitrates = n_bitrates;
if (band == NL80211_BAND_2GHZ)
{
rtw_2g_channels_init(spt_band->channels);
rtw_2g_rates_init(spt_band->bitrates);
}
/* spt_band.ht_cap */
exit:
return spt_band;
}
static const struct ieee80211_txrx_stypes
rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_ADHOC] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_STATION] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_AP] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_AP_VLAN] = {
/* copy AP */
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_P2P_GO] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
};
static int rtw_ieee80211_channel_to_frequency(int chan, int band)
{
/* see 802.11 17.3.8.3.2 and Annex J
* there are overlapping channel numbers in 5GHz and 2GHz bands */
if (band == NL80211_BAND_2GHZ) {
if (chan == 14)
return 2484;
else if (chan < 14)
return 2407 + chan * 5;
}
return 0; /* not supported */
}
#define MAX_BSSINFO_LEN 1000
struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
{
struct ieee80211_channel *notify_channel;
struct cfg80211_bss *bss = NULL;
/* struct ieee80211_supported_band *band; */
u16 channel;
u32 freq;
u64 notify_timestamp;
s32 notify_signal;
u8 *buf = NULL, *pbuf;
size_t len, bssinf_len = 0;
struct ieee80211_hdr *pwlanhdr;
__le16 *fctrl;
u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct wireless_dev *wdev = padapter->rtw_wdev;
struct wiphy *wiphy = wdev->wiphy;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
/* DBG_8192C("%s\n", __func__); */
bssinf_len = pnetwork->network.IELength + sizeof(struct ieee80211_hdr_3addr);
if (bssinf_len > MAX_BSSINFO_LEN) {
DBG_871X("%s IE Length too long > %d byte\n", __func__, MAX_BSSINFO_LEN);
goto exit;
}
{
u16 wapi_len = 0;
if (rtw_get_wapi_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &wapi_len) > 0)
{
if (wapi_len > 0)
{
DBG_871X("%s, no support wapi!\n", __func__);
goto exit;
}
}
}
/* To reduce PBC Overlap rate */
/* spin_lock_bh(&pwdev_priv->scan_req_lock); */
if (adapter_wdev_data(padapter)->scan_request != NULL)
{
u8 *psr = NULL, sr = 0;
struct ndis_802_11_ssid *pssid = &pnetwork->network.Ssid;
struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
struct cfg80211_ssid *ssids = request->ssids;
u32 wpsielen = 0;
u8 *wpsie = NULL;
wpsie = rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wpsielen);
if (wpsie && wpsielen > 0)
psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
if (sr != 0)
{
if (request->n_ssids == 1 && request->n_channels == 1) /* it means under processing WPS */
{
DBG_8192C("ssid =%s, len =%d\n", pssid->Ssid, pssid->SsidLength);
if (ssids[0].ssid_len == 0) {
}
else if (pssid->SsidLength == ssids[0].ssid_len &&
!memcmp(pssid->Ssid, ssids[0].ssid, ssids[0].ssid_len))
{
DBG_871X("%s, got sr and ssid match!\n", __func__);
}
else
{
if (psr != NULL)
*psr = 0; /* clear sr */
}
}
}
}
/* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
channel = pnetwork->network.Configuration.DSConfig;
freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
notify_channel = ieee80211_get_channel(wiphy, freq);
notify_timestamp = ktime_to_us(ktime_get_boottime());
/* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
notify_signal = 100*translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
} else {
notify_signal = 100*translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength);/* dbm */
}
buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
if (!buf)
goto exit;
pbuf = buf;
pwlanhdr = (struct ieee80211_hdr *)pbuf;
fctrl = &(pwlanhdr->frame_control);
*(fctrl) = 0;
SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
/* pmlmeext->mgnt_seq++; */
if (pnetwork->network.Reserved[0] == 1) { /* WIFI_BEACON */
memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
SetFrameSubType(pbuf, WIFI_BEACON);
} else {
memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
SetFrameSubType(pbuf, WIFI_PROBERSP);
}
memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);
pbuf += sizeof(struct ieee80211_hdr_3addr);
len = sizeof(struct ieee80211_hdr_3addr);
memcpy(pbuf, pnetwork->network.IEs, pnetwork->network.IELength);
len += pnetwork->network.IELength;
*((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
len, notify_signal, GFP_ATOMIC);
if (unlikely(!bss)) {
DBG_8192C(FUNC_ADPT_FMT" bss NULL\n", FUNC_ADPT_ARG(padapter));
goto exit;
}
cfg80211_put_bss(wiphy, bss);
kfree(buf);
exit:
return bss;
}
/*
Check the given bss is valid by kernel API cfg80211_get_bss()
@padapter : the given adapter
return true if bss is valid, false for not found.
*/
int rtw_cfg80211_check_bss(struct adapter *padapter)
{
struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct cfg80211_bss *bss = NULL;
struct ieee80211_channel *notify_channel = NULL;
u32 freq;
if (!(pnetwork) || !(padapter->rtw_wdev))
return false;
freq = rtw_ieee80211_channel_to_frequency(pnetwork->Configuration.DSConfig, NL80211_BAND_2GHZ);
notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
pnetwork->MacAddress, pnetwork->Ssid.Ssid,
pnetwork->Ssid.SsidLength,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
return (bss != NULL);
}
void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wireless_dev *pwdev = padapter->rtw_wdev;
struct wiphy *wiphy = pwdev->wiphy;
int freq = (int)cur_network->network.Configuration.DSConfig;
struct ieee80211_channel *chan;
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
{
return;
}
if (!rtw_cfg80211_check_bss(padapter)) {
struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
{
memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
if (!rtw_cfg80211_inform_bss(padapter, cur_network))
DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
else
DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter));
}
else
{
if (scanned == NULL) {
rtw_warn_on(1);
return;
}
if (!memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
&& !memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
) {
if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
} else {
/* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
}
} else {
DBG_871X("scanned & pnetwork compare fail\n");
rtw_warn_on(1);
}
}
if (!rtw_cfg80211_check_bss(padapter))
DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
}
/* notify cfg80211 that device joined an IBSS */
chan = ieee80211_get_channel(wiphy, freq);
cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, chan, GFP_ATOMIC);
}
void rtw_cfg80211_indicate_connect(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
struct wireless_dev *pwdev = padapter->rtw_wdev;
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
if (pwdev->iftype != NL80211_IFTYPE_STATION
&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
) {
return;
}
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
return;
{
struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
/* DBG_871X(FUNC_ADPT_FMT" BSS not found\n", FUNC_ADPT_ARG(padapter)); */
if (scanned == NULL) {
rtw_warn_on(1);
goto check_bss;
}
if (!memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
&& !memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
) {
if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
} else {
/* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
}
} else {
DBG_871X("scanned: %s("MAC_FMT"), cur: %s("MAC_FMT")\n",
scanned->network.Ssid.Ssid, MAC_ARG(scanned->network.MacAddress),
pnetwork->Ssid.Ssid, MAC_ARG(pnetwork->MacAddress)
);
rtw_warn_on(1);
}
}
check_bss:
if (!rtw_cfg80211_check_bss(padapter))
DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
if (rtw_to_roam(padapter) > 0) {
struct wiphy *wiphy = pwdev->wiphy;
struct ieee80211_channel *notify_channel;
u32 freq;
u16 channel = cur_network->network.Configuration.DSConfig;
struct cfg80211_roam_info roam_info = {};
freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
notify_channel = ieee80211_get_channel(wiphy, freq);
DBG_871X(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(padapter));
roam_info.channel = notify_channel;
roam_info.bssid = cur_network->network.MacAddress;
roam_info.req_ie =
pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
roam_info.req_ie_len =
pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
roam_info.resp_ie =
pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
roam_info.resp_ie_len =
pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
}
else
{
cfg80211_connect_result(padapter->pnetdev, cur_network->network.MacAddress
, pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
, pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
, pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
, pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
, WLAN_STATUS_SUCCESS, GFP_ATOMIC);
}
}
void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wireless_dev *pwdev = padapter->rtw_wdev;
DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
if (pwdev->iftype != NL80211_IFTYPE_STATION
&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
) {
return;
}
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
return;
if (!padapter->mlmepriv.not_indic_disco) {
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
cfg80211_disconnected(padapter->pnetdev, 0,
NULL, 0, true, GFP_ATOMIC);
} else {
cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
}
}
}
static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
{
int ret = 0;
u32 wep_key_idx, wep_key_len;
struct sta_info *psta = NULL, *pbcmc_sta = NULL;
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv* psecuritypriv = &(padapter->securitypriv);
struct sta_priv *pstapriv = &padapter->stapriv;
DBG_8192C("%s\n", __func__);
param->u.crypt.err = 0;
param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len)
{
ret = -EINVAL;
goto exit;
}
if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
{
if (param->u.crypt.idx >= WEP_KEYS)
{
ret = -EINVAL;
goto exit;
}
}
else
{
psta = rtw_get_stainfo(pstapriv, param->sta_addr);
if (!psta)
{
/* ret = -EINVAL; */
DBG_8192C("rtw_set_encryption(), sta has already been removed or never been added\n");
goto exit;
}
}
if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL))
{
/* todo:clear default encryption keys */
DBG_8192C("clear default encryption keys, keyid =%d\n", param->u.crypt.idx);
goto exit;
}
if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL))
{
DBG_8192C("r871x_set_encryption, crypt.alg = WEP\n");
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
DBG_8192C("r871x_set_encryption, wep_key_idx =%d, len =%d\n", wep_key_idx, wep_key_len);
if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
{
ret = -EINVAL;
goto exit;
}
if (wep_key_len > 0)
{
wep_key_len = wep_key_len <= 5 ? 5 : 13;
}
if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
{
/* wep default key has not been set, so use this key index as default key. */
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
if (wep_key_len == 13)
{
psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
}
psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
}
memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
goto exit;
}
if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) /* group key */
{
if (param->u.crypt.set_tx == 0) /* group key */
{
if (strcmp(param->u.crypt.alg, "WEP") == 0)
{
DBG_8192C("%s, set group_key, WEP\n", __func__);
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
if (param->u.crypt.key_len == 13)
{
psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
}
}
else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
{
DBG_8192C("%s, set group_key, TKIP\n", __func__);
psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
/* set mic key */
memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
psecuritypriv->busetkipkey = true;
}
else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
{
DBG_8192C("%s, set group_key, CCMP\n", __func__);
psecuritypriv->dot118021XGrpPrivacy = _AES_;
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
}
else
{
DBG_8192C("%s, set group_key, none\n", __func__);
psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
}
psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
psecuritypriv->binstallGrpkey = true;
psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
if (pbcmc_sta)
{
pbcmc_sta->ieee8021x_blocked = false;
pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
}
}
goto exit;
}
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) /* psk/802_1x */
{
if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
{
if (param->u.crypt.set_tx == 1) /* pairwise key */
{
memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
if (strcmp(param->u.crypt.alg, "WEP") == 0)
{
DBG_8192C("%s, set pairwise key, WEP\n", __func__);
psta->dot118021XPrivacy = _WEP40_;
if (param->u.crypt.key_len == 13)
{
psta->dot118021XPrivacy = _WEP104_;
}
}
else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
{
DBG_8192C("%s, set pairwise key, TKIP\n", __func__);
psta->dot118021XPrivacy = _TKIP_;
/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
/* set mic key */
memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
psecuritypriv->busetkipkey = true;
}
else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
{
DBG_8192C("%s, set pairwise key, CCMP\n", __func__);
psta->dot118021XPrivacy = _AES_;
}
else
{
DBG_8192C("%s, set pairwise key, none\n", __func__);
psta->dot118021XPrivacy = _NO_PRIVACY_;
}
rtw_ap_set_pairwise_key(padapter, psta);
psta->ieee8021x_blocked = false;
psta->bpairwise_key_installed = true;
}
else/* group key??? */
{
if (strcmp(param->u.crypt.alg, "WEP") == 0)
{
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
if (param->u.crypt.key_len == 13)
{
psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
}
}
else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
{
psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
/* set mic key */
memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
psecuritypriv->busetkipkey = true;
}
else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
{
psecuritypriv->dot118021XGrpPrivacy = _AES_;
memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
}
else
{
psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
}
psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
psecuritypriv->binstallGrpkey = true;
psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
if (pbcmc_sta)
{
pbcmc_sta->ieee8021x_blocked = false;
pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
}
}
}
}
exit:
return ret;
}
static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
{
int ret = 0;
u32 wep_key_idx, wep_key_len;
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
DBG_8192C("%s\n", __func__);
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)
{
ret = -EINVAL;
goto exit;
}
if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
{
if (param->u.crypt.idx >= WEP_KEYS
|| param->u.crypt.idx >= BIP_MAX_KEYID
)
{
ret = -EINVAL;
goto exit;
}
} else {
{
ret = -EINVAL;
goto exit;
}
}
if (strcmp(param->u.crypt.alg, "WEP") == 0)
{
RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("wpa_set_encryption, crypt.alg = WEP\n"));
DBG_8192C("wpa_set_encryption, crypt.alg = WEP\n");
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
{
ret = -EINVAL;
goto exit;
}
if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
{
/* wep default key has not been set, so use this key index as default key. */
wep_key_len = wep_key_len <= 5 ? 5 : 13;
psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
if (wep_key_len == 13)
{
psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
}
psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
}
memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
goto exit;
}
if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) /* 802_1x */
{
struct sta_info * psta, *pbcmc_sta;
struct sta_priv * pstapriv = &padapter->stapriv;
/* DBG_8192C("%s, : dot11AuthAlgrthm == dot11AuthAlgrthm_8021X\n", __func__); */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
{
psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
if (psta == NULL) {
/* DEBUG_ERR(("Set wpa_set_encryption: Obtain Sta_info fail\n")); */
DBG_8192C("%s, : Obtain Sta_info fail\n", __func__);
}
else
{
/* Jeff: don't disable ieee8021x_blocked while clearing key */
if (strcmp(param->u.crypt.alg, "none") != 0)
psta->ieee8021x_blocked = false;
if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
(padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
{
psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
}
if (param->u.crypt.set_tx == 1)/* pairwise key */
{
DBG_8192C("%s, : param->u.crypt.set_tx == 1\n", __func__);
memcpy(psta->dot118021x_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 */
{
/* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
padapter->securitypriv.busetkipkey = false;
/* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
}
/* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
DBG_871X(" ~~~~set sta key:unicastkey\n");
rtw_setstakey_cmd(padapter, psta, true, true);
}
else/* group key */
{
if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0)
{
memcpy(padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
padapter->securitypriv.binstallGrpkey = true;
/* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
DBG_871X(" ~~~~set sta key:groupkey\n");
padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
}
else if (strcmp(param->u.crypt.alg, "BIP") == 0)
{
/* DBG_871X("BIP key_len =%d , index =%d @@@@@@@@@@@@@@@@@@\n", param->u.crypt.key_len, param->u.crypt.idx); */
/* save the IGTK key, length 16 bytes */
memcpy(padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
/*DBG_871X("IGTK key below:\n");
for (no = 0;no<16;no++)
printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
DBG_871X("\n");*/
padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
padapter->securitypriv.binstallBIPkey = true;
DBG_871X(" ~~~~set sta key:IGKT\n");
}