#include <linux/etherdevice.h>
#include <drv_types.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
#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, \
}
static __maybe_unused 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_g_rates (rtw_rates + 0)
#define RTW_G_RATES_NUM 12
#define RTW_2G_CHANNELS_NUM 14
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;
size_t alloc_sz;
if (band == NL80211_BAND_2GHZ) {
n_channels = RTW_2G_CHANNELS_NUM;
n_bitrates = RTW_G_RATES_NUM;
} else {
goto exit;
}
alloc_sz = sizeof(*spt_band);
alloc_sz = size_add(alloc_sz, array_size(n_channels, sizeof(struct ieee80211_channel)));
alloc_sz = size_add(alloc_sz, array_size(n_bitrates, sizeof(struct ieee80211_rate)));
spt_band = kzalloc(alloc_sz, GFP_KERNEL);
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);
}
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] = {
.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)
},
};
int rtw_ieee80211_channel_to_frequency(int chan)
{
if (chan == 14)
return 2484;
if (chan < 14)
return 2407 + chan * 5;
return 0;
}
#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;
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;
struct wireless_dev *wdev = padapter->rtw_wdev;
struct wiphy *wiphy = wdev->wiphy;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
bssinf_len = pnetwork->network.ie_length + sizeof(struct ieee80211_hdr_3addr);
if (bssinf_len > MAX_BSSINFO_LEN)
goto exit;
{
u16 wapi_len = 0;
if (rtw_get_wapi_ie(pnetwork->network.ies, pnetwork->network.ie_length, NULL, &wapi_len) > 0) {
if (wapi_len > 0)
goto exit;
}
}
if (adapter_wdev_data(padapter)->scan_request) {
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.ie_length - _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) {
if (ssids[0].ssid_len != 0 &&
(pssid->ssid_length != ssids[0].ssid_len ||
memcmp(pssid->ssid, ssids[0].ssid, ssids[0].ssid_len))) {
if (psr)
*psr = 0;
}
}
}
}
channel = pnetwork->network.configuration.ds_config;
freq = rtw_ieee80211_channel_to_frequency(channel);
notify_channel = ieee80211_get_channel(wiphy, freq);
notify_timestamp = ktime_to_us(ktime_get_boottime());
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);
} else {
notify_signal = 100 * translate_percentage_to_dbm(pnetwork->network.phy_info.signal_strength);
}
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);
if (pnetwork->network.reserved[0] == 1) {
eth_broadcast_addr(pwlanhdr->addr1);
SetFrameSubType(pbuf, WIFI_BEACON);
} else {
memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
SetFrameSubType(pbuf, WIFI_PROBERSP);
}
memcpy(pwlanhdr->addr2, pnetwork->network.mac_address, ETH_ALEN);
memcpy(pwlanhdr->addr3, pnetwork->network.mac_address, ETH_ALEN);
pbuf += sizeof(struct ieee80211_hdr_3addr);
len = sizeof(struct ieee80211_hdr_3addr);
memcpy(pbuf, pnetwork->network.ies, pnetwork->network.ie_length);
len += pnetwork->network.ie_length;
*((__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))
goto free_buf;
cfg80211_put_bss(wiphy, bss);
free_buf:
kfree(buf);
exit:
return bss;
}
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.ds_config);
notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
pnetwork->mac_address, pnetwork->ssid.ssid,
pnetwork->ssid.ssid_length,
IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
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.ds_config;
struct ieee80211_channel *chan;
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));
rtw_cfg80211_inform_bss(padapter, cur_network);
} else {
if (!scanned) {
rtw_warn_on(1);
return;
}
if (!memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
&& !memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
)
rtw_cfg80211_inform_bss(padapter, scanned);
else
rtw_warn_on(1);
}
if (!rtw_cfg80211_check_bss(padapter))
netdev_dbg(padapter->pnetdev,
FUNC_ADPT_FMT " BSS not found !!\n",
FUNC_ADPT_ARG(padapter));
}
chan = ieee80211_get_channel(wiphy, freq);
cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.mac_address, 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;
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;
if (!scanned) {
rtw_warn_on(1);
goto check_bss;
}
if (!memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
&& !memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
)
rtw_cfg80211_inform_bss(padapter, scanned);
else
rtw_warn_on(1);
}
check_bss:
if (!rtw_cfg80211_check_bss(padapter))
netdev_dbg(padapter->pnetdev,
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.ds_config;
struct cfg80211_roam_info roam_info = {};
freq = rtw_ieee80211_channel_to_frequency(channel);
notify_channel = ieee80211_get_channel(wiphy, freq);
roam_info.links[0].channel = notify_channel;
roam_info.links[0].bssid = cur_network->network.mac_address;
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.mac_address
, 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;
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);
}
}
}
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 = rtw_netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &(padapter->securitypriv);
struct sta_priv *pstapriv = &padapter->stapriv;
char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
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)
goto exit;
}
if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
goto exit;
if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
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 (wep_key_len > 0)
wep_key_len = wep_key_len <= 5 ? 5 : 13;
if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
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)) {
if (param->u.crypt.set_tx == 0) {
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
memcpy(grpkey, 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(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
memcpy(txkey, &(param->u.crypt.key[16]), 8);
memcpy(rxkey, &(param->u.crypt.key[24]), 8);
psecuritypriv->busetkipkey = true;
} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
psecuritypriv->dot118021XGrpPrivacy = _AES_;
memcpy(grpkey, 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;
}
}
goto exit;
}
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) {
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
if (param->u.crypt.set_tx == 1) {
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) {
psta->dot118021XPrivacy = _WEP40_;
if (param->u.crypt.key_len == 13)
psta->dot118021XPrivacy = _WEP104_;
} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
psta->dot118021XPrivacy = _TKIP_;
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) {
psta->dot118021XPrivacy = _AES_;
} else {
psta->dot118021XPrivacy = _NO_PRIVACY_;
}
rtw_ap_set_pairwise_key(padapter, psta);
psta->ieee8021x_blocked = false;
psta->bpairwise_key_installed = true;
} else {
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
memcpy(grpkey, 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(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
memcpy(txkey, &(param->u.crypt.key[16]), 8);
memcpy(rxkey, &(param->u.crypt.key[24]), 8);
psecuritypriv->busetkipkey = true;
} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
psecuritypriv->dot118021XGrpPrivacy = _AES_;
memcpy(grpkey, 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;
}
}
}
}
exit:
return ret;
}
static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
{
int ret = 0;
u8 max_idx;
u32 wep_key_idx, wep_key_len;
struct adapter *padapter = rtw_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) {
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) {
ret = -EINVAL;
goto exit;
}
if (strcmp(param->u.crypt.alg, "WEP") == 0)
max_idx = WEP_KEYS - 1;
else
max_idx = BIP_MAX_KEYID;
if (param->u.crypt.idx > max_idx) {
netdev_err(dev, "Error crypt.idx %d > %d\n", param->u.crypt.idx, max_idx);
ret = -EINVAL;
goto exit;
}
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
if (wep_key_len <= 0) {
ret = -EINVAL;
goto exit;
}
if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
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) {
struct sta_info *psta, *pbcmc_sta;
struct sta_priv *pstapriv = &padapter->stapriv;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) {
psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
if (psta) {
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) {
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) {
memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
padapter->securitypriv.busetkipkey = false;
}
rtw_setstakey_cmd(padapter, psta, true, true);
} else {
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;
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) {
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));
padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
padapter->securitypriv.binstallBIPkey = true;
}
}
}
pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
if (pbcmc_sta) {
if (strcmp(param->u.crypt.alg, "none") != 0)
pbcmc_sta->ieee8021x_blocked = false;
if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
(padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
}
}
} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
}
}
exit:
return ret;
}
static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
int link_id, u8 key_index, bool pairwise,
const u8 *mac_addr, struct key_params *params)
{
char *alg_name;
u32 param_len;
struct ieee_param *param = NULL;
int ret = 0;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
param_len = sizeof(struct ieee_param) + params->key_len;
param = kzalloc(param_len, GFP_KERNEL);
if (!param)
return -ENOMEM;
param->cmd = IEEE_CMD_SET_ENCRYPTION;
eth_broadcast_addr(param->sta_addr);
switch (params->cipher) {
case IW_AUTH_CIPHER_NONE:
alg_name = "none";
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
alg_name = "WEP";
break;
case WLAN_CIPHER_SUITE_TKIP:
alg_name = "TKIP";
break;
case WLAN_CIPHER_SUITE_CCMP:
alg_name = "CCMP";
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
alg_name = "BIP";
break;
default:
ret = -ENOTSUPP;
goto addkey_end;
}
strscpy(param->u.crypt.alg, alg_name);
if (!mac_addr || is_broadcast_ether_addr(mac_addr))
param->u.crypt.set_tx = 0;
else
param->u.crypt.set_tx = 1;
param->u.crypt.idx = key_index;
if (params->seq_len && params->seq)
memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
if (params->key_len && params->key) {
param->u.crypt.key_len = params->key_len;
memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
}
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
if (mac_addr)
memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
}
addkey_end:
kfree(param);
return ret;
}
static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
int link_id, u8 key_index, bool pairwise,
const u8 *mac_addr, void *cookie,
void (*callback)(void *cookie,
struct key_params*))
{
return 0;
}
static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
int link_id, u8 key_index, bool pairwise,
const u8 *mac_addr)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
if (key_index == psecuritypriv->dot11PrivacyKeyIndex) {
psecuritypriv->bWepDefaultKeyIdxSet = 0;
}
return 0;
}
static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
struct net_device *ndev, int link_id,
u8 key_index, bool unicast,
bool multicast)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) {
psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
psecuritypriv->dot11PrivacyKeyIndex = key_index;
psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
if (psecuritypriv->dot11DefKeylen[key_index] == 13) {
psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
}
psecuritypriv->bWepDefaultKeyIdxSet = 1;
}
return 0;
}
static int cfg80211_rtw_get_station(struct wiphy *wiphy,
struct net_device *ndev,
const u8 *mac,
struct station_info *sinfo)
{
int ret = 0;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
sinfo->filled = 0;
if (!mac) {
ret = -ENOENT;
goto exit;
}
psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
if (!psta) {
ret = -ENOENT;
goto exit;
}
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
&& check_fwstate(pmlmepriv, _FW_LINKED)) {
struct wlan_network *cur_network = &(pmlmepriv->cur_network);
if (memcmp((u8 *)mac, cur_network->network.mac_address, ETH_ALEN)) {
ret = -ENOENT;
goto exit;
}
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
sinfo->rx_packets = sta_rx_data_pkts(psta);
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
sinfo->tx_packets = psta->sta_stats.tx_pkts;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
}
if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
check_fwstate(pmlmepriv, WIFI_AP_STATE)) &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
}
exit:
return ret;
}
static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
struct net_device *ndev,
enum nl80211_iftype type,
struct vif_params *params)
{
enum nl80211_iftype old_type;
enum ndis_802_11_network_infrastructure networkType;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
int ret = 0;
if (adapter_to_dvobj(padapter)->processing_dev_remove == true) {
ret = -EPERM;
goto exit;
}
{
if (netdev_open(ndev) != 0) {
ret = -EPERM;
goto exit;
}
}
if (rtw_pwr_wakeup(padapter) == _FAIL) {
ret = -EPERM;
goto exit;
}
old_type = rtw_wdev->iftype;
if (old_type != type) {
pmlmeext->action_public_rxseq = 0xffff;
pmlmeext->action_public_dialog_token = 0xff;
}
switch (type) {
case NL80211_IFTYPE_ADHOC:
networkType = Ndis802_11IBSS;
break;
case NL80211_IFTYPE_STATION:
networkType = Ndis802_11Infrastructure;
break;
case NL80211_IFTYPE_AP:
networkType = Ndis802_11APMode;
break;
default:
ret = -EOPNOTSUPP;
goto exit;
}
rtw_wdev->iftype = type;
if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false) {
rtw_wdev->iftype = old_type;
ret = -EPERM;
goto exit;
}
rtw_setopmode_cmd(padapter, networkType, true);
exit:
return ret;
}
void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
{
struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
struct cfg80211_scan_info info = {
.aborted = aborted
};
spin_lock_bh(&pwdev_priv->scan_req_lock);
if (pwdev_priv->scan_request) {
if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
cfg80211_scan_done(pwdev_priv->scan_request, &info);
pwdev_priv->scan_request = NULL;
}
spin_unlock_bh(&pwdev_priv->scan_req_lock);
}
void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
{
struct wireless_dev *pwdev = padapter->rtw_wdev;
struct wiphy *wiphy = pwdev->wiphy;
struct cfg80211_bss *bss = NULL;
struct wlan_bssid_ex *select_network = &pnetwork->network;
bss = cfg80211_get_bss(wiphy, NULL,
select_network->mac_address,
select_network->ssid.ssid,
select_network->ssid.ssid_length,
IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
if (bss) {
cfg80211_unlink_bss(wiphy, bss);
cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
}
}
void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
{
struct list_head *plist, *phead;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct __queue *queue = &(pmlmepriv->scanned_queue);
struct wlan_network *pnetwork = NULL;
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
phead = get_list_head(queue);
list_for_each(plist, phead)
{
pnetwork = list_entry(plist, struct wlan_network, list);
if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.configuration.ds_config) >= 0
&& true == rtw_validate_ssid(&(pnetwork->network.ssid))) {
rtw_cfg80211_inform_bss(padapter, pnetwork);
}
}
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
}
static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
{
int ret = 0;
uint wps_ielen = 0;
u8 *wps_ie;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
if (len > 0) {
wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
if (wps_ie) {
if (pmlmepriv->wps_probe_req_ie) {
pmlmepriv->wps_probe_req_ie_len = 0;
kfree(pmlmepriv->wps_probe_req_ie);
pmlmepriv->wps_probe_req_ie = NULL;
}
pmlmepriv->wps_probe_req_ie = kmemdup(wps_ie, wps_ielen, GFP_KERNEL);
if (!pmlmepriv->wps_probe_req_ie)
return -EINVAL;
pmlmepriv->wps_probe_req_ie_len = wps_ielen;
}
}
return ret;
}
static int cfg80211_rtw_scan(struct wiphy *wiphy
, struct cfg80211_scan_request *request)
{
struct net_device *ndev = wdev_to_ndev(request->wdev);
int i;
u8 _status = false;
int ret = 0;
struct ndis_802_11_ssid *ssid = NULL;
struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
u8 survey_times = 3;
u8 survey_times_for_one_ch = 6;
struct cfg80211_ssid *ssids = request->ssids;
int j = 0;
bool need_indicate_scan_done = false;
struct adapter *padapter;
struct rtw_wdev_priv *pwdev_priv;
struct mlme_priv *pmlmepriv;
if (!ndev) {
ret = -EINVAL;
goto exit;
}
padapter = rtw_netdev_priv(ndev);
pwdev_priv = adapter_wdev_data(padapter);
pmlmepriv = &padapter->mlmepriv;
spin_lock_bh(&pwdev_priv->scan_req_lock);
pwdev_priv->scan_request = request;
spin_unlock_bh(&pwdev_priv->scan_req_lock);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS | _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true) {
need_indicate_scan_done = true;
goto check_need_indicate_scan_done;
}
}
rtw_ps_deny(padapter, PS_DENY_SCAN);
if (rtw_pwr_wakeup(padapter) == _FAIL) {
need_indicate_scan_done = true;
goto check_need_indicate_scan_done;
}
if (request->ie && request->ie_len > 0)
rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
need_indicate_scan_done = true;
goto check_need_indicate_scan_done;
} else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
ret = -EBUSY;
goto check_need_indicate_scan_done;
}
if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
static unsigned long lastscantime;
unsigned long passtime;
passtime = jiffies_to_msecs(jiffies - lastscantime);
lastscantime = jiffies;
if (passtime > 12000) {
need_indicate_scan_done = true;
goto check_need_indicate_scan_done;
}
}
if (rtw_is_scan_deny(padapter)) {
need_indicate_scan_done = true;
goto check_need_indicate_scan_done;
}
ssid = kzalloc_objs(*ssid, RTW_SSID_SCAN_AMOUNT);
if (!ssid) {
ret = -ENOMEM;
goto check_need_indicate_scan_done;
}
for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
ssid[i].ssid_length = ssids[i].ssid_len;
}
memset(ch, 0, sizeof(struct rtw_ieee80211_channel) * RTW_CHANNEL_SCAN_AMOUNT);
for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
ch[i].hw_value = request->channels[i]->hw_value;
ch[i].flags = request->channels[i]->flags;
}
spin_lock_bh(&pmlmepriv->lock);
if (request->n_channels == 1) {
for (i = 1; i < survey_times_for_one_ch; i++)
memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
} else if (request->n_channels <= 4) {
for (j = request->n_channels - 1; j >= 0; j--)
for (i = 0; i < survey_times; i++)
memcpy(&ch[j * survey_times + i], &ch[j], sizeof(struct rtw_ieee80211_channel));
_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
} else {
_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
}
spin_unlock_bh(&pmlmepriv->lock);
if (_status == false)
ret = -1;
check_need_indicate_scan_done:
kfree(ssid);
if (need_indicate_scan_done) {
rtw_cfg80211_surveydone_event_callback(padapter);
rtw_cfg80211_indicate_scan_done(padapter, false);
}
rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
exit:
return ret;
}
static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
u32 changed)
{
return 0;
}
static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
{
if (!wpa_version) {
psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
return 0;
}
if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
return 0;
}
static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
enum nl80211_auth_type sme_auth_type)
{
switch (sme_auth_type) {
case NL80211_AUTHTYPE_AUTOMATIC:
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
break;
case NL80211_AUTHTYPE_OPEN_SYSTEM:
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
break;
case NL80211_AUTHTYPE_SHARED_KEY:
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
default:
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
}
return 0;
}
static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
{
u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
&psecuritypriv->dot118021XGrpPrivacy;
if (!cipher) {
*profile_cipher = _NO_PRIVACY_;
psecuritypriv->ndisencryptstatus = ndisencryptstatus;
return 0;
}
switch (cipher) {
case IW_AUTH_CIPHER_NONE:
*profile_cipher = _NO_PRIVACY_;
ndisencryptstatus = Ndis802_11EncryptionDisabled;
break;
case WLAN_CIPHER_SUITE_WEP40:
*profile_cipher = _WEP40_;
ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
case WLAN_CIPHER_SUITE_WEP104:
*profile_cipher = _WEP104_;
ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
case WLAN_CIPHER_SUITE_TKIP:
*profile_cipher = _TKIP_;
ndisencryptstatus = Ndis802_11Encryption2Enabled;
break;
case WLAN_CIPHER_SUITE_CCMP:
*profile_cipher = _AES_;
ndisencryptstatus = Ndis802_11Encryption3Enabled;
break;
default:
return -ENOTSUPP;
}
if (ucast) {
psecuritypriv->ndisencryptstatus = ndisencryptstatus;
}
return 0;
}
static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
{
if (key_mgt == WLAN_AKM_SUITE_8021X)
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
else if (key_mgt == WLAN_AKM_SUITE_PSK) {
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
}
return 0;
}
static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
{
u8 *buf = NULL;
int group_cipher = 0, pairwise_cipher = 0;
int ret = 0;
int wpa_ielen = 0;
int wpa2_ielen = 0;
u8 *pwpa, *pwpa2;
u8 null_addr[] = {0, 0, 0, 0, 0, 0};
if (!pie || !ielen) {
_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
goto exit;
}
if (ielen > MAX_WPA_IE_LEN + MAX_WPS_IE_LEN + MAX_P2P_IE_LEN) {
ret = -EINVAL;
goto exit;
}
buf = kzalloc(ielen, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto exit;
}
memcpy(buf, pie, ielen);
if (ielen < RSN_HEADER_LEN) {
ret = -1;
goto exit;
}
pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
if (pwpa && wpa_ielen > 0) {
if (rtw_parse_wpa_ie(pwpa, wpa_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
}
}
pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
if (pwpa2 && wpa2_ielen > 0) {
if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen + 2);
}
}
if (group_cipher == 0)
group_cipher = WPA_CIPHER_NONE;
if (pairwise_cipher == 0)
pairwise_cipher = WPA_CIPHER_NONE;
switch (group_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
}
switch (pairwise_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
break;
}
{
uint wps_ielen;
u8 *wps_ie;
wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
if (wps_ie && wps_ielen > 0) {
padapter->securitypriv.wps_ie_len = min_t(uint, wps_ielen, MAX_WPS_IE_LEN);
memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
} else {
_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
}
}
if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
|| padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
|| padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
exit:
kfree(buf);
if (ret)
_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
return ret;
}
static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_ibss_params *params)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct ndis_802_11_ssid ndis_ssid;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
int ret = 0;
if (rtw_pwr_wakeup(padapter) == _FAIL) {
ret = -EPERM;
goto exit;
}
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
ret = -EPERM;
goto exit;
}
if (!params->ssid || !params->ssid_len) {
ret = -EINVAL;
goto exit;
}
if (params->ssid_len > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
goto exit;
}
memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
ndis_ssid.ssid_length = params->ssid_len;
memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
ret = -1;
goto exit;
}
exit:
return ret;
}
static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
enum nl80211_iftype old_type;
int ret = 0;
old_type = rtw_wdev->iftype;
rtw_set_to_roam(padapter, 0);
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
rtw_scan_abort(padapter);
LeaveAllPowerSaveMode(padapter);
rtw_wdev->iftype = NL80211_IFTYPE_STATION;
if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false) {
rtw_wdev->iftype = old_type;
ret = -EPERM;
goto leave_ibss;
}
rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
}
leave_ibss:
return ret;
}
static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_connect_params *sme)
{
int ret = 0;
enum ndis_802_11_authentication_mode authmode;
struct ndis_802_11_ssid ndis_ssid;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
padapter->mlmepriv.not_indic_disco = true;
if (adapter_wdev_data(padapter)->block == true) {
ret = -EBUSY;
goto exit;
}
rtw_ps_deny(padapter, PS_DENY_JOIN);
if (rtw_pwr_wakeup(padapter) == _FAIL) {
ret = -EPERM;
goto exit;
}
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
ret = -EPERM;
goto exit;
}
if (!sme->ssid || !sme->ssid_len) {
ret = -EINVAL;
goto exit;
}
if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
goto exit;
}
memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
ndis_ssid.ssid_length = sme->ssid_len;
memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
ret = -EBUSY;
goto exit;
}
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
rtw_scan_abort(padapter);
psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
if (ret < 0)
goto exit;
ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
if (ret < 0)
goto exit;
ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
if (ret < 0)
goto exit;
if (sme->crypto.n_ciphers_pairwise) {
ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
if (ret < 0)
goto exit;
}
if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
u32 wep_key_idx, wep_key_len, wep_total_len;
struct ndis_802_11_wep *pwep = NULL;
wep_key_idx = sme->key_idx;
wep_key_len = sme->key_len;
if (sme->key_idx > WEP_KEYS) {
ret = -EINVAL;
goto exit;
}
if (wep_key_len > 0) {
wep_key_len = wep_key_len <= 5 ? 5 : 13;
wep_total_len = wep_key_len +
offsetof(struct ndis_802_11_wep, key_material);
pwep = kzalloc(wep_total_len, GFP_KERNEL);
if (!pwep) {
ret = -ENOMEM;
goto exit;
}
pwep->key_length = wep_key_len;
pwep->length = wep_total_len;
if (wep_key_len == 13) {
padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
}
} else {
ret = -EINVAL;
goto exit;
}
pwep->key_index = wep_key_idx;
pwep->key_index |= 0x80000000;
memcpy(pwep->key_material, (void *)sme->key, pwep->key_length);
if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
ret = -EOPNOTSUPP;
kfree(pwep);
if (ret < 0)
goto exit;
}
ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
if (ret < 0)
return ret;
if (sme->crypto.n_akm_suites) {
ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
if (ret < 0)
goto exit;
}
authmode = psecuritypriv->ndisauthtype;
rtw_set_802_11_authentication_mode(padapter, authmode);
if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
ret = -1;
goto exit;
}
exit:
rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
padapter->mlmepriv.not_indic_disco = false;
return ret;
}
static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
u16 reason_code)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
rtw_set_to_roam(padapter, 0);
rtw_scan_abort(padapter);
LeaveAllPowerSaveMode(padapter);
rtw_disassoc_cmd(padapter, 500, false);
rtw_indicate_disconnect(padapter);
rtw_free_assoc_resources(padapter, 1);
rtw_pwr_wakeup(padapter);
return 0;
}
static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
struct wireless_dev *wdev, int radio_idx,
enum nl80211_tx_power_setting type, int mbm)
{
return 0;
}
static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
struct wireless_dev *wdev,
int radio_idx,
unsigned int link_id, int *dbm)
{
*dbm = (12);
return 0;
}
inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
{
struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
return rtw_wdev_priv->power_mgmt;
}
static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
struct net_device *ndev,
bool enabled, int timeout)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
rtw_wdev_priv->power_mgmt = enabled;
if (!enabled)
LPS_Leave(padapter, "CFG80211_PWRMGMT");
return 0;
}
static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
struct net_device *ndev,
struct cfg80211_pmksa *pmksa)
{
u8 index, blInserted = false;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
if (is_zero_ether_addr((u8 *)pmksa->bssid))
return -EINVAL;
blInserted = false;
for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
psecuritypriv->PMKIDList[index].bUsed = true;
psecuritypriv->PMKIDIndex = index + 1;
blInserted = true;
break;
}
}
if (!blInserted) {
memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
psecuritypriv->PMKIDIndex++;
if (psecuritypriv->PMKIDIndex == 16)
psecuritypriv->PMKIDIndex = 0;
}
return 0;
}
static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
struct net_device *ndev,
struct cfg80211_pmksa *pmksa)
{
u8 index, bMatched = false;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
psecuritypriv->PMKIDList[index].bUsed = false;
bMatched = true;
break;
}
}
if (!bMatched)
return -EINVAL;
return 0;
}
static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
struct net_device *ndev)
{
struct adapter *padapter = rtw_netdev_priv(ndev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
psecuritypriv->PMKIDIndex = 0;
return 0;
}
void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
{
struct net_device *ndev = padapter->pnetdev;
{
struct station_info sinfo = {};
u8 ie_offset;
if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
ie_offset = _ASOCREQ_IE_OFFSET_;
else
ie_offset = _REASOCREQ_IE_OFFSET_;
sinfo.filled = 0;
sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
}
}
void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
{
struct net_device *ndev = padapter->pnetdev;
cfg80211_del_sta(ndev, da, GFP_ATOMIC);
}
static u8 rtw_get_chan_type(struct adapter *adapter)
{
struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
switch (mlme_ext->cur_bwmode) {
case CHANNEL_WIDTH_20:
if (is_supported_ht(adapter->registrypriv.wireless_mode))
return NL80211_CHAN_HT20;
else
return NL80211_CHAN_NO_HT;
case CHANNEL_WIDTH_40:
if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
return NL80211_CHAN_HT40PLUS;
else
return NL80211_CHAN_HT40MINUS;
default:
return NL80211_CHAN_HT20;
}
return NL80211_CHAN_HT20;
}
static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
unsigned int link_id,
struct cfg80211_chan_def *chandef)
{
struct adapter *adapter = wiphy_to_adapter(wiphy);
struct registry_priv *registrypriv = &adapter->registrypriv;
enum nl80211_channel_type chan_type;
struct ieee80211_channel *chan = NULL;
int channel;
int freq;
if (!adapter->rtw_wdev)
return -ENODEV;
channel = rtw_get_oper_ch(adapter);
if (!channel)
return -ENODATA;
freq = rtw_ieee80211_channel_to_frequency(channel);
chan = ieee80211_get_channel(adapter->rtw_wdev->wiphy, freq);
if (registrypriv->ht_enable) {
chan_type = rtw_get_chan_type(adapter);
cfg80211_chandef_create(chandef, chan, chan_type);
} else {
cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT);
}
return 0;
}
static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
{
int rtap_len;
int qos_len = 0;
int dot11_hdr_len = 24;
int snap_len = 6;
unsigned char *pdata;
u16 frame_control;
unsigned char src_mac_addr[6];
unsigned char dst_mac_addr[6];
struct ieee80211_hdr *dot11_hdr;
struct ieee80211_radiotap_header *rtap_hdr;
struct adapter *padapter = rtw_netdev_priv(ndev);
if (!skb)
goto fail;
if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
goto fail;
rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
if (unlikely(rtap_hdr->it_version))
goto fail;
rtap_len = ieee80211_get_radiotap_len(skb->data);
if (unlikely(skb->len < rtap_len))
goto fail;
if (rtap_len != 14)
goto fail;
skb_pull(skb, rtap_len);
dot11_hdr = (struct ieee80211_hdr *)skb->data;
frame_control = le16_to_cpu(dot11_hdr->frame_control);
if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
if (frame_control & 0x0080)
qos_len = 2;
if ((frame_control & 0x0300) == 0x0300)
dot11_hdr_len += 6;
memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
pdata = (unsigned char *)skb->data;
memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
_rtw_xmit_entry(skb, padapter->pnetdev);
return NETDEV_TX_OK;
} else if ((frame_control & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION)) {
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
struct ieee80211_hdr *pwlanhdr;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
u8 *buf = skb->data;
u32 len = skb->len;
u8 category, action;
if (rtw_action_frame_parse(buf, len, &category, &action) == false)
goto fail;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe)
goto fail;
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
memcpy(pframe, (void *)buf, len);
pattrib->pktlen = len;
pwlanhdr = (struct ieee80211_hdr *)pframe;
pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
pattrib->seqnum = pmlmeext->mgnt_seq;
pmlmeext->mgnt_seq++;
pattrib->last_txcmdsz = pattrib->pktlen;
dump_mgntframe(padapter, pmgntframe);
}
fail:
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
.ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
};
static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
{
int ret = 0;
struct net_device *mon_ndev = NULL;
struct wireless_dev *mon_wdev = NULL;
struct rtw_netdev_priv_indicator *pnpi;
struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
if (!name) {
ret = -EINVAL;
goto out;
}
if (pwdev_priv->pmon_ndev) {
ret = -EBUSY;
goto out;
}
mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
if (!mon_ndev) {
ret = -ENOMEM;
goto out;
}
mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
strscpy(mon_ndev->name, name);
mon_ndev->needs_free_netdev = true;
mon_ndev->priv_destructor = rtw_ndev_destructor;
mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
pnpi = netdev_priv(mon_ndev);
pnpi->priv = padapter;
pnpi->sizeof_priv = sizeof(struct adapter);
mon_wdev = kzalloc_obj(*mon_wdev);
if (!mon_wdev) {
ret = -ENOMEM;
goto out;
}
mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
mon_wdev->netdev = mon_ndev;
mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
mon_ndev->ieee80211_ptr = mon_wdev;
ret = cfg80211_register_netdevice(mon_ndev);
if (ret)
goto out;
*ndev = pwdev_priv->pmon_ndev = mon_ndev;
memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ + 1);
out:
if (ret && mon_wdev) {
kfree(mon_wdev);
mon_wdev = NULL;
}
if (ret && mon_ndev) {
free_netdev(mon_ndev);
*ndev = mon_ndev = NULL;
}
return ret;
}
static struct wireless_dev *
cfg80211_rtw_add_virtual_intf(
struct wiphy *wiphy,
const char *name,
unsigned char name_assign_type,
enum nl80211_iftype type, struct vif_params *params)
{
int ret = 0;
struct net_device *ndev = NULL;
struct adapter *padapter = wiphy_to_adapter(wiphy);
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MESH_POINT:
ret = -ENODEV;
break;
case NL80211_IFTYPE_MONITOR:
ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
ret = -ENODEV;
break;
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP:
ret = -ENODEV;
break;
default:
ret = -ENODEV;
break;
}
return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
}
static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
struct wireless_dev *wdev
)
{
struct net_device *ndev = wdev_to_ndev(wdev);
int ret = 0;
struct adapter *adapter;
struct rtw_wdev_priv *pwdev_priv;
if (!ndev) {
ret = -EINVAL;
goto exit;
}
adapter = rtw_netdev_priv(ndev);
pwdev_priv = adapter_wdev_data(adapter);
cfg80211_unregister_netdevice(ndev);
if (ndev == pwdev_priv->pmon_ndev) {
pwdev_priv->pmon_ndev = NULL;
pwdev_priv->ifname_mon[0] = '\0';
}
exit:
return ret;
}
static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
{
int ret = 0;
u8 *pbuf = NULL;
uint len, wps_ielen = 0;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
return -EINVAL;
if (head_len < 24)
return -EINVAL;
pbuf = kzalloc(head_len + tail_len, GFP_KERNEL);
if (!pbuf)
return -ENOMEM;
memcpy(pbuf, (void *)head + 24, head_len - 24);
memcpy(pbuf + head_len - 24, (void *)tail, tail_len);
len = head_len + tail_len - 24;
rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS)
ret = 0;
else
ret = -EINVAL;
kfree(pbuf);
return ret;
}
static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_ap_settings *settings)
{
int ret = 0;
struct adapter *adapter = rtw_netdev_priv(ndev);
ret = rtw_add_beacon(adapter, settings->beacon.head,
settings->beacon.head_len, settings->beacon.tail,
settings->beacon.tail_len);
adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
if (settings->ssid && settings->ssid_len) {
struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
pbss_network->ssid.ssid_length = settings->ssid_len;
memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
pbss_network_ext->ssid.ssid_length = settings->ssid_len;
}
return ret;
}
static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_ap_update *info)
{
struct adapter *adapter = rtw_netdev_priv(ndev);
return rtw_add_beacon(adapter, info->beacon.head,
info->beacon.head_len, info->beacon.tail,
info->beacon.tail_len);
}
static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
unsigned int link_id)
{
return 0;
}
static int cfg80211_rtw_add_station(struct wiphy *wiphy,
struct net_device *ndev,
const u8 *mac,
struct station_parameters *params)
{
return 0;
}
static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
struct station_del_parameters *params)
{
int ret = 0;
struct list_head *phead, *plist, *tmp;
u8 updated = false;
struct sta_info *psta = NULL;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct sta_priv *pstapriv = &padapter->stapriv;
const u8 *mac = params->mac;
if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
return -EINVAL;
if (!mac) {
flush_all_cam_entry(padapter);
rtw_sta_flush(padapter);
return 0;
}
if (mac[0] == 0xff && mac[1] == 0xff &&
mac[2] == 0xff && mac[3] == 0xff &&
mac[4] == 0xff && mac[5] == 0xff) {
return -EINVAL;
}
spin_lock_bh(&pstapriv->asoc_list_lock);
phead = &pstapriv->asoc_list;
list_for_each_safe(plist, tmp, phead) {
psta = list_entry(plist, struct sta_info, asoc_list);
if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
psta = NULL;
break;
}
}
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update(padapter, updated);
return ret;
}
static int cfg80211_rtw_change_station(struct wiphy *wiphy,
struct net_device *ndev,
const u8 *mac,
struct station_parameters *params)
{
return 0;
}
static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
{
struct list_head *phead, *plist;
struct sta_info *psta = NULL;
int i = 0;
phead = &pstapriv->asoc_list;
plist = get_next(phead);
while (phead != plist) {
if (idx == i)
psta = container_of(plist, struct sta_info, asoc_list);
plist = get_next(plist);
i++;
}
return psta;
}
static int cfg80211_rtw_dump_station(struct wiphy *wiphy,
struct net_device *ndev,
int idx, u8 *mac,
struct station_info *sinfo)
{
int ret = 0;
struct adapter *padapter = rtw_netdev_priv(ndev);
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
spin_lock_bh(&pstapriv->asoc_list_lock);
psta = rtw_sta_info_get_by_idx(idx, pstapriv);
spin_unlock_bh(&pstapriv->asoc_list_lock);
if (psta == NULL) {
ret = -ENOENT;
goto exit;
}
memcpy(mac, psta->hwaddr, ETH_ALEN);
sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
sinfo->signal = psta->rssi;
exit:
return ret;
}
void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
{
s32 freq;
int channel;
u8 category, action;
channel = rtw_get_oper_ch(adapter);
rtw_action_frame_parse(frame, frame_len, &category, &action);
freq = rtw_ieee80211_channel_to_frequency(channel);
rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
}
static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
{
struct xmit_frame *pmgntframe;
struct pkt_attrib *pattrib;
unsigned char *pframe;
int ret = _FAIL;
bool __maybe_unused ack = true;
struct ieee80211_hdr *pwlanhdr;
struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
rtw_set_scan_deny(padapter, 1000);
rtw_scan_abort(padapter);
if (tx_ch != rtw_get_oper_ch(padapter)) {
if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
pmlmeext->cur_channel = tx_ch;
set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
}
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
if (!pmgntframe) {
ret = _FAIL;
goto exit;
}
pattrib = &pmgntframe->attrib;
update_mgntframe_attrib(padapter, pattrib);
pattrib->retry_ctrl = false;
memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
memcpy(pframe, (void *)buf, len);
pattrib->pktlen = len;
pwlanhdr = (struct ieee80211_hdr *)pframe;
pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
pattrib->seqnum = pmlmeext->mgnt_seq;
pmlmeext->mgnt_seq++;
pattrib->last_txcmdsz = pattrib->pktlen;
if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
ack = false;
ret = _FAIL;
} else {
msleep(50);
ret = _SUCCESS;
}
exit:
return ret;
}
static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params,
u64 *cookie)
{
struct net_device *ndev = wdev_to_ndev(wdev);
struct ieee80211_channel *chan = params->chan;
const u8 *buf = params->buf;
size_t len = params->len;
int ret = 0;
int tx_ret;
u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
u32 dump_cnt = 0;
bool ack = true;
u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
u8 category, action;
struct adapter *padapter;
if (!ndev) {
ret = -EINVAL;
goto exit;
}
padapter = rtw_netdev_priv(ndev);
*cookie = (unsigned long)buf;
rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
if (rtw_action_frame_parse(buf, len, &category, &action) == false)
goto exit;
rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
if (rtw_pwr_wakeup(padapter) == _FAIL) {
ret = -EFAULT;
goto cancel_ps_deny;
}
do {
dump_cnt++;
tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
} while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
cancel_ps_deny:
rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
exit:
return ret;
}
static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
{
#define MAX_BIT_RATE_40MHZ_MCS7 150
ht_cap->ht_supported = true;
ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
ht_cap->mcs.rx_mask[0] = 0xFF;
ht_cap->mcs.rx_mask[1] = 0x00;
ht_cap->mcs.rx_mask[4] = 0x01;
ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
}
void rtw_cfg80211_init_wiphy(struct adapter *padapter)
{
struct ieee80211_supported_band *bands;
struct wireless_dev *pwdev = padapter->rtw_wdev;
struct wiphy *wiphy = pwdev->wiphy;
{
bands = wiphy->bands[NL80211_BAND_2GHZ];
if (bands)
rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ);
}
memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
}
static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
{
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
| BIT(NL80211_IFTYPE_ADHOC)
| BIT(NL80211_IFTYPE_AP)
| BIT(NL80211_IFTYPE_MONITOR)
;
wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
wiphy->cipher_suites = rtw_cipher_suites;
wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
#if defined(CONFIG_PM)
wiphy->max_sched_scan_reqs = 1;
#endif
#if defined(CONFIG_PM)
wiphy->wowlan = &wowlan_stub;
#endif
if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
else
wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
}
static struct cfg80211_ops rtw_cfg80211_ops = {
.change_virtual_intf = cfg80211_rtw_change_iface,
.add_key = cfg80211_rtw_add_key,
.get_key = cfg80211_rtw_get_key,
.del_key = cfg80211_rtw_del_key,
.set_default_key = cfg80211_rtw_set_default_key,
.get_station = cfg80211_rtw_get_station,
.scan = cfg80211_rtw_scan,
.set_wiphy_params = cfg80211_rtw_set_wiphy_params,
.connect = cfg80211_rtw_connect,
.disconnect = cfg80211_rtw_disconnect,
.join_ibss = cfg80211_rtw_join_ibss,
.leave_ibss = cfg80211_rtw_leave_ibss,
.set_tx_power = cfg80211_rtw_set_txpower,
.get_tx_power = cfg80211_rtw_get_txpower,
.set_power_mgmt = cfg80211_rtw_set_power_mgmt,
.set_pmksa = cfg80211_rtw_set_pmksa,
.del_pmksa = cfg80211_rtw_del_pmksa,
.flush_pmksa = cfg80211_rtw_flush_pmksa,
.get_channel = cfg80211_rtw_get_channel,
.add_virtual_intf = cfg80211_rtw_add_virtual_intf,
.del_virtual_intf = cfg80211_rtw_del_virtual_intf,
.start_ap = cfg80211_rtw_start_ap,
.change_beacon = cfg80211_rtw_change_beacon,
.stop_ap = cfg80211_rtw_stop_ap,
.add_station = cfg80211_rtw_add_station,
.del_station = cfg80211_rtw_del_station,
.change_station = cfg80211_rtw_change_station,
.dump_station = cfg80211_rtw_dump_station,
.mgmt_tx = cfg80211_rtw_mgmt_tx,
};
int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
{
int ret = 0;
struct wiphy *wiphy;
struct wireless_dev *wdev;
struct rtw_wdev_priv *pwdev_priv;
struct net_device *pnetdev = padapter->pnetdev;
wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
if (!wiphy) {
ret = -ENOMEM;
goto exit;
}
set_wiphy_dev(wiphy, dev);
*((struct adapter **)wiphy_priv(wiphy)) = padapter;
rtw_cfg80211_preinit_wiphy(padapter, wiphy);
rtw_regd_init(wiphy, rtw_reg_notifier);
ret = wiphy_register(wiphy);
if (ret < 0)
goto free_wiphy;
wdev = kzalloc_obj(*wdev);
if (!wdev) {
ret = -ENOMEM;
goto unregister_wiphy;
}
wdev->wiphy = wiphy;
wdev->netdev = pnetdev;
wdev->iftype = NL80211_IFTYPE_STATION;
padapter->rtw_wdev = wdev;
pnetdev->ieee80211_ptr = wdev;
pwdev_priv = adapter_wdev_data(padapter);
pwdev_priv->rtw_wdev = wdev;
pwdev_priv->pmon_ndev = NULL;
pwdev_priv->ifname_mon[0] = '\0';
pwdev_priv->padapter = padapter;
pwdev_priv->scan_request = NULL;
spin_lock_init(&pwdev_priv->scan_req_lock);
pwdev_priv->p2p_enabled = false;
pwdev_priv->provdisc_req_issued = false;
rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
pwdev_priv->bandroid_scan = false;
if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
pwdev_priv->power_mgmt = true;
else
pwdev_priv->power_mgmt = false;
return ret;
unregister_wiphy:
wiphy_unregister(wiphy);
free_wiphy:
wiphy_free(wiphy);
exit:
return ret;
}
void rtw_wdev_free(struct wireless_dev *wdev)
{
if (!wdev)
return;
kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
wiphy_free(wdev->wiphy);
kfree(wdev);
}
void rtw_wdev_unregister(struct wireless_dev *wdev)
{
struct net_device *ndev;
struct adapter *adapter;
struct rtw_wdev_priv *pwdev_priv;
if (!wdev)
return;
ndev = wdev_to_ndev(wdev);
if (!ndev)
return;
adapter = rtw_netdev_priv(ndev);
pwdev_priv = adapter_wdev_data(adapter);
rtw_cfg80211_indicate_scan_done(adapter, true);
if (pwdev_priv->pmon_ndev)
unregister_netdev(pwdev_priv->pmon_ndev);
wiphy_unregister(wdev->wiphy);
}
