drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7
   8 #include <linux/etherdevice.h>
   9 #include <drv_types.h>
  10 #include <rtw_debug.h>
  11 #include <linux/jiffies.h>
  12
  13 #include <rtw_wifi_regd.h>
  14
  15 #define RTW_MAX_MGMT_TX_CNT (8)
  16
  17 #define RTW_SCAN_IE_LEN_MAX      2304
  18 #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
  19 #define RTW_MAX_NUM_PMKIDS 4
  20
  21 static const u32 rtw_cipher_suites[] = {
  22         WLAN_CIPHER_SUITE_WEP40,
  23         WLAN_CIPHER_SUITE_WEP104,
  24         WLAN_CIPHER_SUITE_TKIP,
  25         WLAN_CIPHER_SUITE_CCMP,
  26         WLAN_CIPHER_SUITE_AES_CMAC,
  27 };
  28
  29 #define RATETAB_ENT(_rate, _rateid, _flags) \
  30         {                                                               \
  31                 .bitrate        = (_rate),                              \
  32                 .hw_value       = (_rateid),                            \
  33                 .flags          = (_flags),                             \
  34         }
  35
  36 #define CHAN2G(_channel, _freq, _flags) {                       \
  37         .band                   = NL80211_BAND_2GHZ,            \
  38         .center_freq            = (_freq),                      \
  39         .hw_value               = (_channel),                   \
  40         .flags                  = (_flags),                     \
  41         .max_antenna_gain       = 0,                            \
  42         .max_power              = 30,                           \
  43 }
  44
  45 /* if wowlan is not supported, kernel generate a disconnect at each suspend
  46  * cf: /net/wireless/sysfs.c, so register a stub wowlan.
  47  * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
  48  * (from user space, e.g. iw phy0 wowlan enable)
  49  */
  50 static __maybe_unused const struct wiphy_wowlan_support wowlan_stub = {
  51         .flags = WIPHY_WOWLAN_ANY,
  52         .n_patterns = 0,
  53         .pattern_max_len = 0,
  54         .pattern_min_len = 0,
  55         .max_pkt_offset = 0,
  56 };
  57
  58 static struct ieee80211_rate rtw_rates[] = {
  59         RATETAB_ENT(10,  0x1,   0),
  60         RATETAB_ENT(20,  0x2,   0),
  61         RATETAB_ENT(55,  0x4,   0),
  62         RATETAB_ENT(110, 0x8,   0),
  63         RATETAB_ENT(60,  0x10,  0),
  64         RATETAB_ENT(90,  0x20,  0),
  65         RATETAB_ENT(120, 0x40,  0),
  66         RATETAB_ENT(180, 0x80,  0),
  67         RATETAB_ENT(240, 0x100, 0),
  68         RATETAB_ENT(360, 0x200, 0),
  69         RATETAB_ENT(480, 0x400, 0),
  70         RATETAB_ENT(540, 0x800, 0),
  71 };
  72
  73 #define rtw_g_rates             (rtw_rates + 0)
  74 #define RTW_G_RATES_NUM 12
  75
  76 #define RTW_2G_CHANNELS_NUM 14
  77
  78 static struct ieee80211_channel rtw_2ghz_channels[] = {
  79         CHAN2G(1, 2412, 0),
  80         CHAN2G(2, 2417, 0),
  81         CHAN2G(3, 2422, 0),
  82         CHAN2G(4, 2427, 0),
  83         CHAN2G(5, 2432, 0),
  84         CHAN2G(6, 2437, 0),
  85         CHAN2G(7, 2442, 0),
  86         CHAN2G(8, 2447, 0),
  87         CHAN2G(9, 2452, 0),
  88         CHAN2G(10, 2457, 0),
  89         CHAN2G(11, 2462, 0),
  90         CHAN2G(12, 2467, 0),
  91         CHAN2G(13, 2472, 0),
  92         CHAN2G(14, 2484, 0),
  93 };
  94
  95 static void rtw_2g_channels_init(struct ieee80211_channel *channels)
  96 {
  97         memcpy((void *)channels, (void *)rtw_2ghz_channels,
  98                sizeof(struct ieee80211_channel) * RTW_2G_CHANNELS_NUM
  99         );
 100 }
 101
 102 static void rtw_2g_rates_init(struct ieee80211_rate *rates)
 103 {
 104         memcpy(rates, rtw_g_rates,
 105                sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM
 106         );
 107 }
 108
 109 static struct ieee80211_supported_band *rtw_spt_band_alloc(
 110         enum nl80211_band band
 111         )
 112 {
 113         struct ieee80211_supported_band *spt_band = NULL;
 114         int n_channels, n_bitrates;
 115
 116         if (band == NL80211_BAND_2GHZ) {
 117                 n_channels = RTW_2G_CHANNELS_NUM;
 118                 n_bitrates = RTW_G_RATES_NUM;
 119         } else {
 120                 goto exit;
 121         }
 122
 123         spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
 124                                sizeof(struct ieee80211_channel) * n_channels +
 125                                sizeof(struct ieee80211_rate) * n_bitrates);
 126         if (!spt_band)
 127                 goto exit;
 128
 129         spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band) + sizeof(struct ieee80211_supported_band));
 130         spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels) + sizeof(struct ieee80211_channel) * n_channels);
 131         spt_band->band = band;
 132         spt_band->n_channels = n_channels;
 133         spt_band->n_bitrates = n_bitrates;
 134
 135         if (band == NL80211_BAND_2GHZ) {
 136                 rtw_2g_channels_init(spt_band->channels);
 137                 rtw_2g_rates_init(spt_band->bitrates);
 138         }
 139
 140         /* spt_band.ht_cap */
 141
 142 exit:
 143
 144         return spt_band;
 145 }
 146
 147 static const struct ieee80211_txrx_stypes
 148 rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
 149         [NL80211_IFTYPE_ADHOC] = {
 150                 .tx = 0xffff,
 151                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4)
 152         },
 153         [NL80211_IFTYPE_STATION] = {
 154                 .tx = 0xffff,
 155                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 156                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 157         },
 158         [NL80211_IFTYPE_AP] = {
 159                 .tx = 0xffff,
 160                 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
 161                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
 162                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
 163                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
 164                 BIT(IEEE80211_STYPE_AUTH >> 4) |
 165                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
 166                 BIT(IEEE80211_STYPE_ACTION >> 4)
 167         },
 168         [NL80211_IFTYPE_AP_VLAN] = {
 169                 /* copy AP */
 170                 .tx = 0xffff,
 171                 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
 172                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
 173                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
 174                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
 175                 BIT(IEEE80211_STYPE_AUTH >> 4) |
 176                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
 177                 BIT(IEEE80211_STYPE_ACTION >> 4)
 178         },
 179         [NL80211_IFTYPE_P2P_CLIENT] = {
 180                 .tx = 0xffff,
 181                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 182                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 183         },
 184         [NL80211_IFTYPE_P2P_GO] = {
 185                 .tx = 0xffff,
 186                 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
 187                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
 188                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
 189                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
 190                 BIT(IEEE80211_STYPE_AUTH >> 4) |
 191                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
 192                 BIT(IEEE80211_STYPE_ACTION >> 4)
 193         },
 194 };
 195
 196 static int rtw_ieee80211_channel_to_frequency(int chan, int band)
 197 {
 198         if (band == NL80211_BAND_2GHZ) {
 199                 if (chan == 14)
 200                         return 2484;
 201                 else if (chan < 14)
 202                         return 2407 + chan * 5;
 203         }
 204
 205         return 0; /* not supported */
 206 }
 207
 208 #define MAX_BSSINFO_LEN 1000
 209 struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
 210 {
 211         struct ieee80211_channel *notify_channel;
 212         struct cfg80211_bss *bss = NULL;
 213         /* struct ieee80211_supported_band *band; */
 214         u16 channel;
 215         u32 freq;
 216         u64 notify_timestamp;
 217         s32 notify_signal;
 218         u8 *buf = NULL, *pbuf;
 219         size_t len, bssinf_len = 0;
 220         struct ieee80211_hdr *pwlanhdr;
 221         __le16 *fctrl;
 222
 223         struct wireless_dev *wdev = padapter->rtw_wdev;
 224         struct wiphy *wiphy = wdev->wiphy;
 225         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 226
 227         bssinf_len = pnetwork->network.ie_length + sizeof(struct ieee80211_hdr_3addr);
 228         if (bssinf_len > MAX_BSSINFO_LEN)
 229                 goto exit;
 230
 231         {
 232                 u16 wapi_len = 0;
 233
 234                 if (rtw_get_wapi_ie(pnetwork->network.ies, pnetwork->network.ie_length, NULL, &wapi_len) > 0) {
 235                         if (wapi_len > 0)
 236                                 goto exit;
 237                 }
 238         }
 239
 240         /* To reduce PBC Overlap rate */
 241         /* spin_lock_bh(&pwdev_priv->scan_req_lock); */
 242         if (adapter_wdev_data(padapter)->scan_request) {
 243                 u8 *psr = NULL, sr = 0;
 244                 struct ndis_802_11_ssid *pssid = &pnetwork->network.ssid;
 245                 struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
 246                 struct cfg80211_ssid *ssids = request->ssids;
 247                 u32 wpsielen = 0;
 248                 u8 *wpsie = NULL;
 249
 250                 wpsie = rtw_get_wps_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, pnetwork->network.ie_length - _FIXED_IE_LENGTH_, NULL, &wpsielen);
 251
 252                 if (wpsie && wpsielen > 0)
 253                         psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
 254
 255                 if (sr != 0) {
 256                         /* it means under processing WPS */
 257                         if (request->n_ssids == 1 && request->n_channels == 1) {
 258                                 if (ssids[0].ssid_len != 0 &&
 259                                     (pssid->ssid_length != ssids[0].ssid_len ||
 260                                      memcmp(pssid->ssid, ssids[0].ssid, ssids[0].ssid_len))) {
 261                                         if (psr)
 262                                                 *psr = 0; /* clear sr */
 263                                 }
 264                         }
 265                 }
 266         }
 267         /* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
 268
 269         channel = pnetwork->network.configuration.ds_config;
 270         freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
 271
 272         notify_channel = ieee80211_get_channel(wiphy, freq);
 273
 274         notify_timestamp = ktime_to_us(ktime_get_boottime());
 275
 276         /* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
 277         if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
 278             is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
 279                 notify_signal = 100 * translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
 280         } else {
 281                 notify_signal = 100 * translate_percentage_to_dbm(pnetwork->network.phy_info.signal_strength);/* dbm */
 282         }
 283
 284         buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
 285         if (!buf)
 286                 goto exit;
 287         pbuf = buf;
 288
 289         pwlanhdr = (struct ieee80211_hdr *)pbuf;
 290         fctrl = &(pwlanhdr->frame_control);
 291         *(fctrl) = 0;
 292
 293         SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
 294         /* pmlmeext->mgnt_seq++; */
 295
 296         if (pnetwork->network.reserved[0] == 1) { /*  WIFI_BEACON */
 297                 eth_broadcast_addr(pwlanhdr->addr1);
 298                 SetFrameSubType(pbuf, WIFI_BEACON);
 299         } else {
 300                 memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
 301                 SetFrameSubType(pbuf, WIFI_PROBERSP);
 302         }
 303
 304         memcpy(pwlanhdr->addr2, pnetwork->network.mac_address, ETH_ALEN);
 305         memcpy(pwlanhdr->addr3, pnetwork->network.mac_address, ETH_ALEN);
 306
 307         pbuf += sizeof(struct ieee80211_hdr_3addr);
 308         len = sizeof(struct ieee80211_hdr_3addr);
 309
 310         memcpy(pbuf, pnetwork->network.ies, pnetwork->network.ie_length);
 311         len += pnetwork->network.ie_length;
 312
 313         *((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
 314
 315         bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
 316                                         len, notify_signal, GFP_ATOMIC);
 317
 318         if (unlikely(!bss))
 319                 goto exit;
 320
 321         cfg80211_put_bss(wiphy, bss);
 322         kfree(buf);
 323
 324 exit:
 325         return bss;
 326 }
 327
 328 /*
 329  *      Check the given bss is valid by kernel API cfg80211_get_bss()
 330  *      @padapter : the given adapter
 331  *
 332  *      return true if bss is valid,  false for not found.
 333  */
 334 int rtw_cfg80211_check_bss(struct adapter *padapter)
 335 {
 336         struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
 337         struct cfg80211_bss *bss = NULL;
 338         struct ieee80211_channel *notify_channel = NULL;
 339         u32 freq;
 340
 341         if (!(pnetwork) || !(padapter->rtw_wdev))
 342                 return false;
 343
 344         freq = rtw_ieee80211_channel_to_frequency(pnetwork->configuration.ds_config, NL80211_BAND_2GHZ);
 345
 346         notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
 347         bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
 348                                pnetwork->mac_address, pnetwork->ssid.ssid,
 349                                pnetwork->ssid.ssid_length,
 350                                IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
 351
 352         cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
 353
 354         return  (bss != NULL);
 355 }
 356
 357 void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
 358 {
 359         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 360         struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
 361         struct wireless_dev *pwdev = padapter->rtw_wdev;
 362         struct wiphy *wiphy = pwdev->wiphy;
 363         int freq = (int)cur_network->network.configuration.ds_config;
 364         struct ieee80211_channel *chan;
 365
 366         if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
 367                 return;
 368
 369         if (!rtw_cfg80211_check_bss(padapter)) {
 370                 struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
 371                 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
 372
 373                 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
 374                         memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
 375                         rtw_cfg80211_inform_bss(padapter, cur_network);
 376                 } else {
 377                         if (!scanned) {
 378                                 rtw_warn_on(1);
 379                                 return;
 380                         }
 381                         if (!memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
 382                                 && !memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
 383                         )
 384                                 rtw_cfg80211_inform_bss(padapter, scanned);
 385                         else
 386                                 rtw_warn_on(1);
 387                 }
 388
 389                 if (!rtw_cfg80211_check_bss(padapter))
 390                         netdev_dbg(padapter->pnetdev,
 391                                    FUNC_ADPT_FMT " BSS not found !!\n",
 392                                    FUNC_ADPT_ARG(padapter));
 393         }
 394         /* notify cfg80211 that device joined an IBSS */
 395         chan = ieee80211_get_channel(wiphy, freq);
 396         cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.mac_address, chan, GFP_ATOMIC);
 397 }
 398
 399 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
 400 {
 401         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 402         struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
 403         struct wireless_dev *pwdev = padapter->rtw_wdev;
 404
 405         if (pwdev->iftype != NL80211_IFTYPE_STATION
 406                 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
 407         ) {
 408                 return;
 409         }
 410
 411         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
 412                 return;
 413
 414         {
 415                 struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
 416                 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
 417
 418                 if (!scanned) {
 419                         rtw_warn_on(1);
 420                         goto check_bss;
 421                 }
 422
 423                 if (!memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
 424                         && !memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
 425                 )
 426                         rtw_cfg80211_inform_bss(padapter, scanned);
 427                 else
 428                         rtw_warn_on(1);
 429         }
 430
 431 check_bss:
 432         if (!rtw_cfg80211_check_bss(padapter))
 433                 netdev_dbg(padapter->pnetdev,
 434                            FUNC_ADPT_FMT " BSS not found !!\n",
 435                            FUNC_ADPT_ARG(padapter));
 436
 437         if (rtw_to_roam(padapter) > 0) {
 438                 struct wiphy *wiphy = pwdev->wiphy;
 439                 struct ieee80211_channel *notify_channel;
 440                 u32 freq;
 441                 u16 channel = cur_network->network.configuration.ds_config;
 442                 struct cfg80211_roam_info roam_info = {};
 443
 444                 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
 445
 446                 notify_channel = ieee80211_get_channel(wiphy, freq);
 447
 448                 roam_info.links[0].channel = notify_channel;
 449                 roam_info.links[0].bssid = cur_network->network.mac_address;
 450                 roam_info.req_ie =
 451                         pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2;
 452                 roam_info.req_ie_len =
 453                         pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2;
 454                 roam_info.resp_ie =
 455                         pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6;
 456                 roam_info.resp_ie_len =
 457                         pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6;
 458                 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
 459         } else {
 460                 cfg80211_connect_result(padapter->pnetdev, cur_network->network.mac_address
 461                         , pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2
 462                         , pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2
 463                         , pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6
 464                         , pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6
 465                         , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
 466         }
 467 }
 468
 469 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
 470 {
 471         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 472         struct wireless_dev *pwdev = padapter->rtw_wdev;
 473
 474         if (pwdev->iftype != NL80211_IFTYPE_STATION
 475                 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
 476         ) {
 477                 return;
 478         }
 479
 480         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
 481                 return;
 482
 483         if (!padapter->mlmepriv.not_indic_disco) {
 484                 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
 485                         cfg80211_disconnected(padapter->pnetdev, 0,
 486                                               NULL, 0, true, GFP_ATOMIC);
 487                 } else {
 488                         cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
 489                                                 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
 490                 }
 491         }
 492 }
 493
 494 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
 495 {
 496         int ret = 0;
 497         u32 wep_key_idx, wep_key_len;
 498         struct sta_info *psta = NULL, *pbcmc_sta = NULL;
 499         struct adapter *padapter = rtw_netdev_priv(dev);
 500         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 501         struct security_priv *psecuritypriv =  &(padapter->securitypriv);
 502         struct sta_priv *pstapriv = &padapter->stapriv;
 503         char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
 504         char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
 505         char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
 506
 507         param->u.crypt.err = 0;
 508         param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
 509
 510         if (param_len !=  sizeof(struct ieee_param) + param->u.crypt.key_len) {
 511                 ret =  -EINVAL;
 512                 goto exit;
 513         }
 514
 515         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
 516             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
 517             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
 518                 if (param->u.crypt.idx >= WEP_KEYS) {
 519                         ret = -EINVAL;
 520                         goto exit;
 521                 }
 522         } else {
 523                 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
 524                 if (!psta)
 525                         /* ret = -EINVAL; */
 526                         goto exit;
 527         }
 528
 529         if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
 530                 goto exit;
 531
 532         if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
 533                 wep_key_idx = param->u.crypt.idx;
 534                 wep_key_len = param->u.crypt.key_len;
 535
 536                 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
 537                         ret = -EINVAL;
 538                         goto exit;
 539                 }
 540
 541                 if (wep_key_len > 0)
 542                         wep_key_len = wep_key_len <= 5 ? 5 : 13;
 543
 544                 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
 545                         /* wep default key has not been set, so use this key index as default key. */
 546
 547                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
 548                         psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
 549                         psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
 550                         psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
 551
 552                         if (wep_key_len == 13) {
 553                                 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
 554                                 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
 555                         }
 556
 557                         psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
 558                 }
 559
 560                 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
 561
 562                 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
 563
 564                 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
 565
 566                 goto exit;
 567         }
 568
 569         /* group key */
 570         if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
 571                 /* group key */
 572                 if (param->u.crypt.set_tx == 0) {
 573                         if (strcmp(param->u.crypt.alg, "WEP") == 0) {
 574                                 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 575
 576                                 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
 577                                 if (param->u.crypt.key_len == 13)
 578                                         psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
 579
 580                         } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
 581                                 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
 582
 583                                 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 584
 585                                 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
 586                                 /* set mic key */
 587                                 memcpy(txkey, &(param->u.crypt.key[16]), 8);
 588                                 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
 589
 590                                 psecuritypriv->busetkipkey = true;
 591
 592                         } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
 593                                 psecuritypriv->dot118021XGrpPrivacy = _AES_;
 594
 595                                 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 596                         } else {
 597                                 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 598                         }
 599
 600                         psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
 601
 602                         psecuritypriv->binstallGrpkey = true;
 603
 604                         psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/*  */
 605
 606                         rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
 607
 608                         pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
 609                         if (pbcmc_sta) {
 610                                 pbcmc_sta->ieee8021x_blocked = false;
 611                                 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
 612                         }
 613                 }
 614
 615                 goto exit;
 616         }
 617
 618         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) { /*  psk/802_1x */
 619                 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
 620                         if (param->u.crypt.set_tx == 1) { /* pairwise key */
 621                                 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 622
 623                                 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
 624                                         psta->dot118021XPrivacy = _WEP40_;
 625                                         if (param->u.crypt.key_len == 13)
 626                                                 psta->dot118021XPrivacy = _WEP104_;
 627                                 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
 628                                         psta->dot118021XPrivacy = _TKIP_;
 629
 630                                         /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
 631                                         /* set mic key */
 632                                         memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
 633                                         memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
 634
 635                                         psecuritypriv->busetkipkey = true;
 636
 637                                 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
 638                                         psta->dot118021XPrivacy = _AES_;
 639                                 } else {
 640                                         psta->dot118021XPrivacy = _NO_PRIVACY_;
 641                                 }
 642
 643                                 rtw_ap_set_pairwise_key(padapter, psta);
 644
 645                                 psta->ieee8021x_blocked = false;
 646
 647                                 psta->bpairwise_key_installed = true;
 648
 649                         } else { /* group key??? */
 650                                 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
 651                                         memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 652
 653                                         psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
 654                                         if (param->u.crypt.key_len == 13)
 655                                                 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
 656                                 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
 657                                         psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
 658
 659                                         memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 660
 661                                         /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
 662                                         /* set mic key */
 663                                         memcpy(txkey, &(param->u.crypt.key[16]), 8);
 664                                         memcpy(rxkey, &(param->u.crypt.key[24]), 8);
 665
 666                                         psecuritypriv->busetkipkey = true;
 667
 668                                 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
 669                                         psecuritypriv->dot118021XGrpPrivacy = _AES_;
 670
 671                                         memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 672                                 } else {
 673                                         psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 674                                 }
 675
 676                                 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
 677
 678                                 psecuritypriv->binstallGrpkey = true;
 679
 680                                 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/*  */
 681
 682                                 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
 683
 684                                 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
 685                                 if (pbcmc_sta) {
 686                                         pbcmc_sta->ieee8021x_blocked = false;
 687                                         pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
 688                                 }
 689                         }
 690                 }
 691         }
 692
 693 exit:
 694
 695         return ret;
 696 }
 697
 698 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
 699 {
 700         int ret = 0;
 701         u8 max_idx;
 702         u32 wep_key_idx, wep_key_len;
 703         struct adapter *padapter = rtw_netdev_priv(dev);
 704         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 705         struct security_priv *psecuritypriv = &padapter->securitypriv;
 706
 707         param->u.crypt.err = 0;
 708         param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
 709
 710         if (param_len < (u32)((u8 *)param->u.crypt.key - (u8 *)param) + param->u.crypt.key_len) {
 711                 ret =  -EINVAL;
 712                 goto exit;
 713         }
 714
 715         if (param->sta_addr[0] != 0xff || param->sta_addr[1] != 0xff ||
 716             param->sta_addr[2] != 0xff || param->sta_addr[3] != 0xff ||
 717             param->sta_addr[4] != 0xff || param->sta_addr[5] != 0xff) {
 718                 ret = -EINVAL;
 719                 goto exit;
 720         }
 721
 722         if (strcmp(param->u.crypt.alg, "WEP") == 0)
 723                 max_idx = WEP_KEYS - 1;
 724         else
 725                 max_idx = BIP_MAX_KEYID;
 726
 727         if (param->u.crypt.idx > max_idx) {
 728                 netdev_err(dev, "Error crypt.idx %d > %d\n", param->u.crypt.idx, max_idx);
 729                 ret = -EINVAL;
 730                 goto exit;
 731         }
 732
 733         if (strcmp(param->u.crypt.alg, "WEP") == 0) {
 734                 wep_key_idx = param->u.crypt.idx;
 735                 wep_key_len = param->u.crypt.key_len;
 736
 737                 if (wep_key_len <= 0) {
 738                         ret = -EINVAL;
 739                         goto exit;
 740                 }
 741
 742                 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
 743                         /* wep default key has not been set, so use this key index as default key. */
 744
 745                         wep_key_len = wep_key_len <= 5 ? 5 : 13;
 746
 747                         psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
 748                         psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
 749                         psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
 750
 751                         if (wep_key_len == 13) {
 752                                 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
 753                                 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
 754                         }
 755
 756                         psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
 757                 }
 758
 759                 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
 760
 761                 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
 762
 763                 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
 764
 765                 goto exit;
 766         }
 767
 768         if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /*  802_1x */
 769                 struct sta_info *psta, *pbcmc_sta;
 770                 struct sta_priv *pstapriv = &padapter->stapriv;
 771
 772                 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) { /* sta mode */
 773                         psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
 774                         if (psta) {
 775                                 /* Jeff: don't disable ieee8021x_blocked while clearing key */
 776                                 if (strcmp(param->u.crypt.alg, "none") != 0)
 777                                         psta->ieee8021x_blocked = false;
 778
 779                                 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
 780                                     (padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled)) {
 781                                         psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
 782                                 }
 783
 784                                 if (param->u.crypt.set_tx == 1) { /* pairwise key */
 785
 786                                         memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
 787
 788                                         if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
 789                                                 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
 790                                                 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
 791                                                 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
 792
 793                                                 padapter->securitypriv.busetkipkey = false;
 794                                                 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
 795                                         }
 796
 797                                         rtw_setstakey_cmd(padapter, psta, true, true);
 798                                 } else { /* group key */
 799                                         if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
 800                                                 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));
 801                                                 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
 802                                                 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
 803                                                 padapter->securitypriv.binstallGrpkey = true;
 804
 805                                                 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
 806                                                 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
 807                                         } else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
 808                                                 /* save the IGTK key, length 16 bytes */
 809                                                 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));
 810                                                 /*
 811                                                 for (no = 0;no<16;no++)
 812                                                         printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
 813                                                 */
 814                                                 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
 815                                                 padapter->securitypriv.binstallBIPkey = true;
 816                                         }
 817                                 }
 818                         }
 819
 820                         pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
 821                         if (!pbcmc_sta) {
 822                                 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
 823                         } else {
 824                                 /* Jeff: don't disable ieee8021x_blocked while clearing key */
 825                                 if (strcmp(param->u.crypt.alg, "none") != 0)
 826                                         pbcmc_sta->ieee8021x_blocked = false;
 827
 828                                 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
 829                                     (padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled)) {
 830                                         pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
 831                                 }
 832                         }
 833                 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* adhoc mode */
 834                 }
 835         }
 836
 837 exit:
 838
 839         return ret;
 840 }
 841
 842 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
 843                                 int link_id, u8 key_index, bool pairwise,
 844                                 const u8 *mac_addr, struct key_params *params)
 845 {
 846         char *alg_name;
 847         u32 param_len;
 848         struct ieee_param *param = NULL;
 849         int ret = 0;
 850         struct adapter *padapter = rtw_netdev_priv(ndev);
 851         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 852
 853         param_len = sizeof(struct ieee_param) + params->key_len;
 854         param = rtw_malloc(param_len);
 855         if (!param)
 856                 return -1;
 857
 858         memset(param, 0, param_len);
 859
 860         param->cmd = IEEE_CMD_SET_ENCRYPTION;
 861         eth_broadcast_addr(param->sta_addr);
 862
 863         switch (params->cipher) {
 864         case IW_AUTH_CIPHER_NONE:
 865                 /* todo: remove key */
 866                 /* remove = 1; */
 867                 alg_name = "none";
 868                 break;
 869         case WLAN_CIPHER_SUITE_WEP40:
 870         case WLAN_CIPHER_SUITE_WEP104:
 871                 alg_name = "WEP";
 872                 break;
 873         case WLAN_CIPHER_SUITE_TKIP:
 874                 alg_name = "TKIP";
 875                 break;
 876         case WLAN_CIPHER_SUITE_CCMP:
 877                 alg_name = "CCMP";
 878                 break;
 879         case WLAN_CIPHER_SUITE_AES_CMAC:
 880                 alg_name = "BIP";
 881                 break;
 882         default:
 883                 ret = -ENOTSUPP;
 884                 goto addkey_end;
 885         }
 886
 887         strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
 888
 889         if (!mac_addr || is_broadcast_ether_addr(mac_addr))
 890                 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
 891         else
 892                 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
 893
 894         param->u.crypt.idx = key_index;
 895
 896         if (params->seq_len && params->seq)
 897                 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
 898
 899         if (params->key_len && params->key) {
 900                 param->u.crypt.key_len = params->key_len;
 901                 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
 902         }
 903
 904         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
 905                 ret =  rtw_cfg80211_set_encryption(ndev, param, param_len);
 906         } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
 907                 if (mac_addr)
 908                         memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
 909
 910                 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
 911         } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
 912                 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
 913                 ret =  rtw_cfg80211_set_encryption(ndev, param, param_len);
 914         }
 915
 916 addkey_end:
 917         kfree(param);
 918
 919         return ret;
 920 }
 921
 922 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
 923                                 int link_id, u8 key_index, bool pairwise,
 924                                 const u8 *mac_addr, void *cookie,
 925                                 void (*callback)(void *cookie,
 926                                                  struct key_params*))
 927 {
 928         return 0;
 929 }
 930
 931 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
 932                                 int link_id, u8 key_index, bool pairwise,
 933                                 const u8 *mac_addr)
 934 {
 935         struct adapter *padapter = rtw_netdev_priv(ndev);
 936         struct security_priv *psecuritypriv = &padapter->securitypriv;
 937
 938         if (key_index == psecuritypriv->dot11PrivacyKeyIndex) {
 939                 /* clear the flag of wep default key set. */
 940                 psecuritypriv->bWepDefaultKeyIdxSet = 0;
 941         }
 942
 943         return 0;
 944 }
 945
 946 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
 947                                         struct net_device *ndev, int link_id,
 948                                         u8 key_index, bool unicast,
 949                                         bool multicast)
 950 {
 951         struct adapter *padapter = rtw_netdev_priv(ndev);
 952         struct security_priv *psecuritypriv = &padapter->securitypriv;
 953
 954         if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) { /* set wep default key */
 955                 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
 956
 957                 psecuritypriv->dot11PrivacyKeyIndex = key_index;
 958
 959                 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
 960                 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
 961                 if (psecuritypriv->dot11DefKeylen[key_index] == 13) {
 962                         psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
 963                         psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
 964                 }
 965
 966                 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
 967         }
 968
 969         return 0;
 970 }
 971
 972 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
 973                                     struct net_device *ndev,
 974                                 const u8 *mac,
 975                                 struct station_info *sinfo)
 976 {
 977         int ret = 0;
 978         struct adapter *padapter = rtw_netdev_priv(ndev);
 979         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 980         struct sta_info *psta = NULL;
 981         struct sta_priv *pstapriv = &padapter->stapriv;
 982
 983         sinfo->filled = 0;
 984
 985         if (!mac) {
 986                 ret = -ENOENT;
 987                 goto exit;
 988         }
 989
 990         psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
 991         if (!psta) {
 992                 ret = -ENOENT;
 993                 goto exit;
 994         }
 995
 996         /* for infra./P2PClient mode */
 997         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
 998                 && check_fwstate(pmlmepriv, _FW_LINKED)) {
 999                 struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
1000
1001                 if (memcmp((u8 *)mac, cur_network->network.mac_address, ETH_ALEN)) {
1002                         ret = -ENOENT;
1003                         goto exit;
1004                 }
1005
1006                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1007                 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1008
1009                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1010                 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1011
1012                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1013                 sinfo->rx_packets = sta_rx_data_pkts(psta);
1014
1015                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1016                 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1017                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1018         }
1019
1020         /* for Ad-Hoc/AP mode */
1021         if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
1022              check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1023              check_fwstate(pmlmepriv, WIFI_AP_STATE)) &&
1024             check_fwstate(pmlmepriv, _FW_LINKED)) {
1025                 /* TODO: should acquire station info... */
1026         }
1027
1028 exit:
1029         return ret;
1030 }
1031
1032 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1033                                      struct net_device *ndev,
1034                                      enum nl80211_iftype type,
1035                                      struct vif_params *params)
1036 {
1037         enum nl80211_iftype old_type;
1038         enum ndis_802_11_network_infrastructure networkType;
1039         struct adapter *padapter = rtw_netdev_priv(ndev);
1040         struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1041         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1042         int ret = 0;
1043
1044         if (adapter_to_dvobj(padapter)->processing_dev_remove == true) {
1045                 ret = -EPERM;
1046                 goto exit;
1047         }
1048
1049         {
1050                 if (netdev_open(ndev) != 0) {
1051                         ret = -EPERM;
1052                         goto exit;
1053                 }
1054         }
1055
1056         if (rtw_pwr_wakeup(padapter) == _FAIL) {
1057                 ret = -EPERM;
1058                 goto exit;
1059         }
1060
1061         old_type = rtw_wdev->iftype;
1062
1063         if (old_type != type) {
1064                 pmlmeext->action_public_rxseq = 0xffff;
1065                 pmlmeext->action_public_dialog_token = 0xff;
1066         }
1067
1068         switch (type) {
1069         case NL80211_IFTYPE_ADHOC:
1070                 networkType = Ndis802_11IBSS;
1071                 break;
1072         case NL80211_IFTYPE_STATION:
1073                 networkType = Ndis802_11Infrastructure;
1074                 break;
1075         case NL80211_IFTYPE_AP:
1076                 networkType = Ndis802_11APMode;
1077                 break;
1078         default:
1079                 ret = -EOPNOTSUPP;
1080                 goto exit;
1081         }
1082
1083         rtw_wdev->iftype = type;
1084
1085         if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false) {
1086                 rtw_wdev->iftype = old_type;
1087                 ret = -EPERM;
1088                 goto exit;
1089         }
1090
1091         rtw_setopmode_cmd(padapter, networkType, true);
1092
1093 exit:
1094
1095         return ret;
1096 }
1097
1098 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1099 {
1100         struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1101         struct cfg80211_scan_info info = {
1102                 .aborted = aborted
1103         };
1104
1105         spin_lock_bh(&pwdev_priv->scan_req_lock);
1106         if (pwdev_priv->scan_request) {
1107                 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1108                 if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1109                         cfg80211_scan_done(pwdev_priv->scan_request, &info);
1110
1111                 pwdev_priv->scan_request = NULL;
1112         }
1113         spin_unlock_bh(&pwdev_priv->scan_req_lock);
1114 }
1115
1116 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1117 {
1118         struct wireless_dev *pwdev = padapter->rtw_wdev;
1119         struct wiphy *wiphy = pwdev->wiphy;
1120         struct cfg80211_bss *bss = NULL;
1121         struct wlan_bssid_ex *select_network = &pnetwork->network;
1122
1123         bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1124                                select_network->mac_address,
1125                                select_network->ssid.ssid,
1126                                select_network->ssid.ssid_length,
1127                                IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1128
1129         if (bss) {
1130                 cfg80211_unlink_bss(wiphy, bss);
1131                 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1132         }
1133 }
1134
1135 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1136 {
1137         struct list_head                                        *plist, *phead;
1138         struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1139         struct __queue *queue   = &(pmlmepriv->scanned_queue);
1140         struct  wlan_network    *pnetwork = NULL;
1141
1142         spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1143
1144         phead = get_list_head(queue);
1145         list_for_each(plist, phead)
1146         {
1147                 pnetwork = list_entry(plist, struct wlan_network, list);
1148
1149                 /* report network only if the current channel set contains the channel to which this network belongs */
1150                 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.configuration.ds_config) >= 0
1151                         && true == rtw_validate_ssid(&(pnetwork->network.ssid))) {
1152                         /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1153                         rtw_cfg80211_inform_bss(padapter, pnetwork);
1154                 }
1155         }
1156
1157         spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1158 }
1159
1160 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1161 {
1162         int ret = 0;
1163         uint wps_ielen = 0;
1164         u8 *wps_ie;
1165         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1166
1167         if (len > 0) {
1168                 wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
1169                 if (wps_ie) {
1170                         if (pmlmepriv->wps_probe_req_ie) {
1171                                 pmlmepriv->wps_probe_req_ie_len = 0;
1172                                 kfree(pmlmepriv->wps_probe_req_ie);
1173                                 pmlmepriv->wps_probe_req_ie = NULL;
1174                         }
1175
1176                         pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1177                         if (!pmlmepriv->wps_probe_req_ie)
1178                                 return -EINVAL;
1179
1180                         memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1181                         pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1182                 }
1183         }
1184
1185         return ret;
1186 }
1187
1188 static int cfg80211_rtw_scan(struct wiphy *wiphy
1189         , struct cfg80211_scan_request *request)
1190 {
1191         struct net_device *ndev = wdev_to_ndev(request->wdev);
1192         int i;
1193         u8 _status = false;
1194         int ret = 0;
1195         struct ndis_802_11_ssid *ssid = NULL;
1196         struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1197         u8 survey_times = 3;
1198         u8 survey_times_for_one_ch = 6;
1199         struct cfg80211_ssid *ssids = request->ssids;
1200         int j = 0;
1201         bool need_indicate_scan_done = false;
1202
1203         struct adapter *padapter;
1204         struct rtw_wdev_priv *pwdev_priv;
1205         struct mlme_priv *pmlmepriv;
1206
1207         if (!ndev) {
1208                 ret = -EINVAL;
1209                 goto exit;
1210         }
1211
1212         padapter = rtw_netdev_priv(ndev);
1213         pwdev_priv = adapter_wdev_data(padapter);
1214         pmlmepriv = &padapter->mlmepriv;
1215 /* endif */
1216
1217         spin_lock_bh(&pwdev_priv->scan_req_lock);
1218         pwdev_priv->scan_request = request;
1219         spin_unlock_bh(&pwdev_priv->scan_req_lock);
1220
1221         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1222                 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS | _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true) {
1223                         need_indicate_scan_done = true;
1224                         goto check_need_indicate_scan_done;
1225                 }
1226         }
1227
1228         rtw_ps_deny(padapter, PS_DENY_SCAN);
1229         if (rtw_pwr_wakeup(padapter) == _FAIL) {
1230                 need_indicate_scan_done = true;
1231                 goto check_need_indicate_scan_done;
1232         }
1233
1234         if (request->ie && request->ie_len > 0)
1235                 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1236
1237         if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1238                 need_indicate_scan_done = true;
1239                 goto check_need_indicate_scan_done;
1240         } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1241                 ret = -EBUSY;
1242                 goto check_need_indicate_scan_done;
1243         }
1244
1245         if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1246                 static unsigned long lastscantime;
1247                 unsigned long passtime;
1248
1249                 passtime = jiffies_to_msecs(jiffies - lastscantime);
1250                 lastscantime = jiffies;
1251                 if (passtime > 12000) {
1252                         need_indicate_scan_done = true;
1253                         goto check_need_indicate_scan_done;
1254                 }
1255         }
1256
1257         if (rtw_is_scan_deny(padapter)) {
1258                 need_indicate_scan_done = true;
1259                 goto check_need_indicate_scan_done;
1260         }
1261
1262         ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1263                        GFP_KERNEL);
1264         if (!ssid) {
1265                 ret = -ENOMEM;
1266                 goto check_need_indicate_scan_done;
1267         }
1268
1269         /* parsing request ssids, n_ssids */
1270         for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1271                 memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
1272                 ssid[i].ssid_length = ssids[i].ssid_len;
1273         }
1274
1275         /* parsing channels, n_channels */
1276         memset(ch, 0, sizeof(struct rtw_ieee80211_channel) * RTW_CHANNEL_SCAN_AMOUNT);
1277         for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1278                 ch[i].hw_value = request->channels[i]->hw_value;
1279                 ch[i].flags = request->channels[i]->flags;
1280         }
1281
1282         spin_lock_bh(&pmlmepriv->lock);
1283         if (request->n_channels == 1) {
1284                 for (i = 1; i < survey_times_for_one_ch; i++)
1285                         memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1286                 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1287         } else if (request->n_channels <= 4) {
1288                 for (j = request->n_channels - 1; j >= 0; j--)
1289                         for (i = 0; i < survey_times; i++)
1290                                 memcpy(&ch[j * survey_times + i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1291                 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1292         } else {
1293                 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1294         }
1295         spin_unlock_bh(&pmlmepriv->lock);
1296
1297         if (_status == false)
1298                 ret = -1;
1299
1300 check_need_indicate_scan_done:
1301         kfree(ssid);
1302         if (need_indicate_scan_done) {
1303                 rtw_cfg80211_surveydone_event_callback(padapter);
1304                 rtw_cfg80211_indicate_scan_done(padapter, false);
1305         }
1306
1307         rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1308
1309 exit:
1310         return ret;
1311 }
1312
1313 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1314 {
1315         return 0;
1316 }
1317
1318 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1319 {
1320         if (!wpa_version) {
1321                 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1322                 return 0;
1323         }
1324
1325         if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1326                 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1327
1328         return 0;
1329 }
1330
1331 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1332                                       enum nl80211_auth_type sme_auth_type)
1333 {
1334         switch (sme_auth_type) {
1335         case NL80211_AUTHTYPE_AUTOMATIC:
1336
1337                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1338
1339                 break;
1340         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1341
1342                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1343
1344                 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1345                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1346
1347                 break;
1348         case NL80211_AUTHTYPE_SHARED_KEY:
1349
1350                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1351
1352                 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1353
1354                 break;
1355         default:
1356                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1357                 /* return -ENOTSUPP; */
1358         }
1359
1360         return 0;
1361 }
1362
1363 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1364 {
1365         u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1366
1367         u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1368                 &psecuritypriv->dot118021XGrpPrivacy;
1369
1370         if (!cipher) {
1371                 *profile_cipher = _NO_PRIVACY_;
1372                 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1373                 return 0;
1374         }
1375
1376         switch (cipher) {
1377         case IW_AUTH_CIPHER_NONE:
1378                 *profile_cipher = _NO_PRIVACY_;
1379                 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1380                 break;
1381         case WLAN_CIPHER_SUITE_WEP40:
1382                 *profile_cipher = _WEP40_;
1383                 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1384                 break;
1385         case WLAN_CIPHER_SUITE_WEP104:
1386                 *profile_cipher = _WEP104_;
1387                 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1388                 break;
1389         case WLAN_CIPHER_SUITE_TKIP:
1390                 *profile_cipher = _TKIP_;
1391                 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1392                 break;
1393         case WLAN_CIPHER_SUITE_CCMP:
1394                 *profile_cipher = _AES_;
1395                 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1396                 break;
1397         default:
1398                 return -ENOTSUPP;
1399         }
1400
1401         if (ucast) {
1402                 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1403
1404                 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1405                 /*      psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1406         }
1407
1408         return 0;
1409 }
1410
1411 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1412 {
1413         if (key_mgt == WLAN_AKM_SUITE_8021X)
1414                 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1415                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1416         else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1417                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1418         }
1419
1420         return 0;
1421 }
1422
1423 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1424 {
1425         u8 *buf = NULL;
1426         int group_cipher = 0, pairwise_cipher = 0;
1427         int ret = 0;
1428         int wpa_ielen = 0;
1429         int wpa2_ielen = 0;
1430         u8 *pwpa, *pwpa2;
1431         u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1432
1433         if (!pie || !ielen) {
1434                 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1435                 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1436                 goto exit;
1437         }
1438
1439         if (ielen > MAX_WPA_IE_LEN + MAX_WPS_IE_LEN + MAX_P2P_IE_LEN) {
1440                 ret = -EINVAL;
1441                 goto exit;
1442         }
1443
1444         buf = rtw_zmalloc(ielen);
1445         if (!buf) {
1446                 ret =  -ENOMEM;
1447                 goto exit;
1448         }
1449
1450         memcpy(buf, pie, ielen);
1451
1452         if (ielen < RSN_HEADER_LEN) {
1453                 ret  = -1;
1454                 goto exit;
1455         }
1456
1457         pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1458         if (pwpa && wpa_ielen > 0) {
1459                 if (rtw_parse_wpa_ie(pwpa, wpa_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1460                         padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1461                         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1462                         memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
1463                 }
1464         }
1465
1466         pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1467         if (pwpa2 && wpa2_ielen > 0) {
1468                 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1469                         padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1470                         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1471                         memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen + 2);
1472                 }
1473         }
1474
1475         if (group_cipher == 0)
1476                 group_cipher = WPA_CIPHER_NONE;
1477
1478         if (pairwise_cipher == 0)
1479                 pairwise_cipher = WPA_CIPHER_NONE;
1480
1481         switch (group_cipher) {
1482         case WPA_CIPHER_NONE:
1483                 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1484                 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1485                 break;
1486         case WPA_CIPHER_WEP40:
1487                 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1488                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1489                 break;
1490         case WPA_CIPHER_TKIP:
1491                 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1492                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1493                 break;
1494         case WPA_CIPHER_CCMP:
1495                 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1496                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1497                 break;
1498         case WPA_CIPHER_WEP104:
1499                 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1500                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1501                 break;
1502         }
1503
1504         switch (pairwise_cipher) {
1505         case WPA_CIPHER_NONE:
1506                 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1507                 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1508                 break;
1509         case WPA_CIPHER_WEP40:
1510                 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1511                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1512                 break;
1513         case WPA_CIPHER_TKIP:
1514                 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1515                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1516                 break;
1517         case WPA_CIPHER_CCMP:
1518                 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1519                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1520                 break;
1521         case WPA_CIPHER_WEP104:
1522                 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1523                 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1524                 break;
1525         }
1526
1527         {/* handle wps_ie */
1528                 uint wps_ielen;
1529                 u8 *wps_ie;
1530
1531                 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1532                 if (wps_ie && wps_ielen > 0) {
1533                         padapter->securitypriv.wps_ie_len = min_t(uint, wps_ielen, MAX_WPS_IE_LEN);
1534                         memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1535                         set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1536                 } else {
1537                         _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1538                 }
1539         }
1540
1541         /* TKIP and AES disallow multicast packets until installing group key */
1542         if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1543                 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1544                 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1545                 /* WPS open need to enable multicast */
1546                 /*  check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1547                 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1548
1549 exit:
1550         kfree(buf);
1551         if (ret)
1552                 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1553         return ret;
1554 }
1555
1556 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1557                                   struct cfg80211_ibss_params *params)
1558 {
1559         struct adapter *padapter = rtw_netdev_priv(ndev);
1560         struct ndis_802_11_ssid ndis_ssid;
1561         struct security_priv *psecuritypriv = &padapter->securitypriv;
1562         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1563         int ret = 0;
1564
1565         if (rtw_pwr_wakeup(padapter) == _FAIL) {
1566                 ret = -EPERM;
1567                 goto exit;
1568         }
1569
1570         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1571                 ret = -EPERM;
1572                 goto exit;
1573         }
1574
1575         if (!params->ssid || !params->ssid_len) {
1576                 ret = -EINVAL;
1577                 goto exit;
1578         }
1579
1580         if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1581                 ret = -E2BIG;
1582                 goto exit;
1583         }
1584
1585         memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1586         ndis_ssid.ssid_length = params->ssid_len;
1587         memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
1588
1589         psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1590         psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1591         psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1592         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1593         psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1594
1595         ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1596         rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1597
1598         if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
1599                 ret = -1;
1600                 goto exit;
1601         }
1602
1603 exit:
1604         return ret;
1605 }
1606
1607 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1608 {
1609         struct adapter *padapter = rtw_netdev_priv(ndev);
1610         struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1611         enum nl80211_iftype old_type;
1612         int ret = 0;
1613
1614         old_type = rtw_wdev->iftype;
1615
1616         rtw_set_to_roam(padapter, 0);
1617
1618         if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1619                 rtw_scan_abort(padapter);
1620                 LeaveAllPowerSaveMode(padapter);
1621
1622                 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1623
1624                 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false) {
1625                         rtw_wdev->iftype = old_type;
1626                         ret = -EPERM;
1627                         goto leave_ibss;
1628                 }
1629                 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
1630         }
1631
1632 leave_ibss:
1633         return ret;
1634 }
1635
1636 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1637                                 struct cfg80211_connect_params *sme)
1638 {
1639         int ret = 0;
1640         enum ndis_802_11_authentication_mode authmode;
1641         struct ndis_802_11_ssid ndis_ssid;
1642         struct adapter *padapter = rtw_netdev_priv(ndev);
1643         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1644         struct security_priv *psecuritypriv = &padapter->securitypriv;
1645
1646         padapter->mlmepriv.not_indic_disco = true;
1647
1648         if (adapter_wdev_data(padapter)->block == true) {
1649                 ret = -EBUSY;
1650                 goto exit;
1651         }
1652
1653         rtw_ps_deny(padapter, PS_DENY_JOIN);
1654         if (rtw_pwr_wakeup(padapter) == _FAIL) {
1655                 ret = -EPERM;
1656                 goto exit;
1657         }
1658
1659         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1660                 ret = -EPERM;
1661                 goto exit;
1662         }
1663
1664         if (!sme->ssid || !sme->ssid_len) {
1665                 ret = -EINVAL;
1666                 goto exit;
1667         }
1668
1669         if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1670                 ret = -E2BIG;
1671                 goto exit;
1672         }
1673
1674         memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1675         ndis_ssid.ssid_length = sme->ssid_len;
1676         memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
1677
1678         if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1679                 ret = -EBUSY;
1680                 goto exit;
1681         }
1682         if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
1683                 rtw_scan_abort(padapter);
1684
1685         psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1686         psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1687         psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1688         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1689         psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1690
1691         ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
1692         if (ret < 0)
1693                 goto exit;
1694
1695         ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
1696
1697         if (ret < 0)
1698                 goto exit;
1699
1700         ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
1701         if (ret < 0)
1702                 goto exit;
1703
1704         if (sme->crypto.n_ciphers_pairwise) {
1705                 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
1706                 if (ret < 0)
1707                         goto exit;
1708         }
1709
1710         /* For WEP Shared auth */
1711         if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1712              psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1713                 u32 wep_key_idx, wep_key_len, wep_total_len;
1714                 struct ndis_802_11_wep   *pwep = NULL;
1715
1716                 wep_key_idx = sme->key_idx;
1717                 wep_key_len = sme->key_len;
1718
1719                 if (sme->key_idx > WEP_KEYS) {
1720                         ret = -EINVAL;
1721                         goto exit;
1722                 }
1723
1724                 if (wep_key_len > 0) {
1725                         wep_key_len = wep_key_len <= 5 ? 5 : 13;
1726                         wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, key_material);
1727                         pwep = rtw_malloc(wep_total_len);
1728                         if (!pwep) {
1729                                 ret = -ENOMEM;
1730                                 goto exit;
1731                         }
1732
1733                         memset(pwep, 0, wep_total_len);
1734
1735                         pwep->key_length = wep_key_len;
1736                         pwep->length = wep_total_len;
1737
1738                         if (wep_key_len == 13) {
1739                                 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1740                                 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1741                         }
1742                 } else {
1743                         ret = -EINVAL;
1744                         goto exit;
1745                 }
1746
1747                 pwep->key_index = wep_key_idx;
1748                 pwep->key_index |= 0x80000000;
1749
1750                 memcpy(pwep->key_material,  (void *)sme->key, pwep->key_length);
1751
1752                 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
1753                         ret = -EOPNOTSUPP;
1754
1755                 kfree(pwep);
1756
1757                 if (ret < 0)
1758                         goto exit;
1759         }
1760
1761         ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
1762         if (ret < 0)
1763                 return ret;
1764
1765         if (sme->crypto.n_akm_suites) {
1766                 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
1767                 if (ret < 0)
1768                         goto exit;
1769         }
1770
1771         authmode = psecuritypriv->ndisauthtype;
1772         rtw_set_802_11_authentication_mode(padapter, authmode);
1773
1774         /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1775
1776         if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
1777                 ret = -1;
1778                 goto exit;
1779         }
1780
1781 exit:
1782
1783         rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
1784
1785         padapter->mlmepriv.not_indic_disco = false;
1786
1787         return ret;
1788 }
1789
1790 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1791                                    u16 reason_code)
1792 {
1793         struct adapter *padapter = rtw_netdev_priv(ndev);
1794
1795         rtw_set_to_roam(padapter, 0);
1796
1797         rtw_scan_abort(padapter);
1798         LeaveAllPowerSaveMode(padapter);
1799         rtw_disassoc_cmd(padapter, 500, false);
1800
1801         rtw_indicate_disconnect(padapter);
1802
1803         rtw_free_assoc_resources(padapter, 1);
1804         rtw_pwr_wakeup(padapter);
1805
1806         return 0;
1807 }
1808
1809 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1810                                     struct wireless_dev *wdev,
1811                                     enum nl80211_tx_power_setting type, int mbm)
1812 {
1813         return 0;
1814 }
1815
1816 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1817                                     struct wireless_dev *wdev, int *dbm)
1818 {
1819         *dbm = (12);
1820
1821         return 0;
1822 }
1823
1824 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1825 {
1826         struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1827
1828         return rtw_wdev_priv->power_mgmt;
1829 }
1830
1831 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1832                                        struct net_device *ndev,
1833                                        bool enabled, int timeout)
1834 {
1835         struct adapter *padapter = rtw_netdev_priv(ndev);
1836         struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
1837
1838         rtw_wdev_priv->power_mgmt = enabled;
1839
1840         if (!enabled)
1841                 LPS_Leave(padapter, "CFG80211_PWRMGMT");
1842
1843         return 0;
1844 }
1845
1846 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
1847                                   struct net_device *ndev,
1848                                   struct cfg80211_pmksa *pmksa)
1849 {
1850         u8 index, blInserted = false;
1851         struct adapter *padapter = rtw_netdev_priv(ndev);
1852         struct security_priv *psecuritypriv = &padapter->securitypriv;
1853
1854         if (is_zero_ether_addr((u8 *)pmksa->bssid))
1855                 return -EINVAL;
1856
1857         blInserted = false;
1858
1859         /* overwrite PMKID */
1860         for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1861                 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1862                         memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1863                         psecuritypriv->PMKIDList[index].bUsed = true;
1864                         psecuritypriv->PMKIDIndex = index + 1;
1865                         blInserted = true;
1866                         break;
1867                 }
1868         }
1869
1870         if (!blInserted) {
1871                 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
1872                 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1873
1874                 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
1875                 psecuritypriv->PMKIDIndex++;
1876                 if (psecuritypriv->PMKIDIndex == 16)
1877                         psecuritypriv->PMKIDIndex = 0;
1878         }
1879
1880         return 0;
1881 }
1882
1883 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
1884                                   struct net_device *ndev,
1885                                   struct cfg80211_pmksa *pmksa)
1886 {
1887         u8 index, bMatched = false;
1888         struct adapter *padapter = rtw_netdev_priv(ndev);
1889         struct security_priv *psecuritypriv = &padapter->securitypriv;
1890
1891         for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1892                 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1893                         /*
1894                          * BSSID is matched, the same AP => Remove this PMKID information
1895                          * and reset it.
1896                          */
1897                         eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
1898                         memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
1899                         psecuritypriv->PMKIDList[index].bUsed = false;
1900                         bMatched = true;
1901                         break;
1902                 }
1903         }
1904
1905         if (!bMatched)
1906                 return -EINVAL;
1907
1908         return 0;
1909 }
1910
1911 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
1912                                     struct net_device *ndev)
1913 {
1914         struct adapter *padapter = rtw_netdev_priv(ndev);
1915         struct security_priv *psecuritypriv = &padapter->securitypriv;
1916
1917         memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
1918         psecuritypriv->PMKIDIndex = 0;
1919
1920         return 0;
1921 }
1922
1923 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
1924 {
1925         struct net_device *ndev = padapter->pnetdev;
1926
1927         {
1928                 struct station_info sinfo = {};
1929                 u8 ie_offset;
1930
1931                 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
1932                         ie_offset = _ASOCREQ_IE_OFFSET_;
1933                 else /*  WIFI_REASSOCREQ */
1934                         ie_offset = _REASOCREQ_IE_OFFSET_;
1935
1936                 sinfo.filled = 0;
1937                 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
1938                 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
1939                 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
1940         }
1941 }
1942
1943 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
1944 {
1945         struct net_device *ndev = padapter->pnetdev;
1946
1947         cfg80211_del_sta(ndev, da, GFP_ATOMIC);
1948 }
1949
1950 static u8 rtw_get_chan_type(struct adapter *adapter)
1951 {
1952         struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
1953
1954         switch (mlme_ext->cur_bwmode) {
1955         case CHANNEL_WIDTH_20:
1956                 if (is_supported_ht(adapter->registrypriv.wireless_mode))
1957                         return NL80211_CHAN_HT20;
1958                 else
1959                         return NL80211_CHAN_NO_HT;
1960         case CHANNEL_WIDTH_40:
1961                 if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
1962                         return NL80211_CHAN_HT40PLUS;
1963                 else
1964                         return NL80211_CHAN_HT40MINUS;
1965         default:
1966                 return NL80211_CHAN_HT20;
1967         }
1968
1969         return NL80211_CHAN_HT20;
1970 }
1971
1972 static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1973                                     unsigned int link_id,
1974                                     struct cfg80211_chan_def *chandef)
1975 {
1976         struct adapter *adapter = wiphy_to_adapter(wiphy);
1977         struct registry_priv *registrypriv = &adapter->registrypriv;
1978         enum nl80211_channel_type chan_type;
1979         struct ieee80211_channel *chan = NULL;
1980         int channel;
1981         int freq;
1982
1983         if (!adapter->rtw_wdev)
1984                 return -ENODEV;
1985
1986         channel = rtw_get_oper_ch(adapter);
1987         if (!channel)
1988                 return -ENODATA;
1989
1990         freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
1991
1992         chan = ieee80211_get_channel(adapter->rtw_wdev->wiphy, freq);
1993
1994         if (registrypriv->ht_enable) {
1995                 chan_type = rtw_get_chan_type(adapter);
1996                 cfg80211_chandef_create(chandef, chan, chan_type);
1997         } else {
1998                 cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT);
1999         }
2000
2001         return 0;
2002 }
2003
2004 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2005 {
2006         int rtap_len;
2007         int qos_len = 0;
2008         int dot11_hdr_len = 24;
2009         int snap_len = 6;
2010         unsigned char *pdata;
2011         u16 frame_control;
2012         unsigned char src_mac_addr[6];
2013         unsigned char dst_mac_addr[6];
2014         struct ieee80211_hdr *dot11_hdr;
2015         struct ieee80211_radiotap_header *rtap_hdr;
2016         struct adapter *padapter = rtw_netdev_priv(ndev);
2017
2018         if (!skb)
2019                 goto fail;
2020
2021         if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2022                 goto fail;
2023
2024         rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2025         if (unlikely(rtap_hdr->it_version))
2026                 goto fail;
2027
2028         rtap_len = ieee80211_get_radiotap_len(skb->data);
2029         if (unlikely(skb->len < rtap_len))
2030                 goto fail;
2031
2032         if (rtap_len != 14)
2033                 goto fail;
2034
2035         /* Skip the ratio tap header */
2036         skb_pull(skb, rtap_len);
2037
2038         dot11_hdr = (struct ieee80211_hdr *)skb->data;
2039         frame_control = le16_to_cpu(dot11_hdr->frame_control);
2040         /* Check if the QoS bit is set */
2041         if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2042                 /* Check if this ia a Wireless Distribution System (WDS) frame
2043                  * which has 4 MAC addresses
2044                  */
2045                 if (frame_control & 0x0080)
2046                         qos_len = 2;
2047                 if ((frame_control & 0x0300) == 0x0300)
2048                         dot11_hdr_len += 6;
2049
2050                 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2051                 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2052
2053                 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2054                  * two MAC addresses
2055                  */
2056                 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2057                 pdata = (unsigned char *)skb->data;
2058                 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2059                 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2060
2061                 /* Use the real net device to transmit the packet */
2062                 _rtw_xmit_entry(skb, padapter->pnetdev);
2063                 return NETDEV_TX_OK;
2064
2065         } else if ((frame_control & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
2066                    (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION)) {
2067                 /* only for action frames */
2068                 struct xmit_frame               *pmgntframe;
2069                 struct pkt_attrib       *pattrib;
2070                 unsigned char *pframe;
2071                 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2072                 /* unsigned char *frame_body; */
2073                 struct ieee80211_hdr *pwlanhdr;
2074                 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2075                 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2076                 u8 *buf = skb->data;
2077                 u32 len = skb->len;
2078                 u8 category, action;
2079
2080                 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2081                         goto fail;
2082
2083                 /* starting alloc mgmt frame to dump it */
2084                 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2085                 if (!pmgntframe)
2086                         goto fail;
2087
2088                 /* update attribute */
2089                 pattrib = &pmgntframe->attrib;
2090                 update_mgntframe_attrib(padapter, pattrib);
2091                 pattrib->retry_ctrl = false;
2092
2093                 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2094
2095                 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2096
2097                 memcpy(pframe, (void *)buf, len);
2098                 pattrib->pktlen = len;
2099
2100                 pwlanhdr = (struct ieee80211_hdr *)pframe;
2101                 /* update seq number */
2102                 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2103                 pattrib->seqnum = pmlmeext->mgnt_seq;
2104                 pmlmeext->mgnt_seq++;
2105
2106                 pattrib->last_txcmdsz = pattrib->pktlen;
2107
2108                 dump_mgntframe(padapter, pmgntframe);
2109         }
2110
2111 fail:
2112
2113         dev_kfree_skb_any(skb);
2114
2115         return NETDEV_TX_OK;
2116 }
2117
2118 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2119         .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2120 };
2121
2122 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2123 {
2124         int ret = 0;
2125         struct net_device *mon_ndev = NULL;
2126         struct wireless_dev *mon_wdev = NULL;
2127         struct rtw_netdev_priv_indicator *pnpi;
2128         struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2129
2130         if (!name) {
2131                 ret = -EINVAL;
2132                 goto out;
2133         }
2134
2135         if (pwdev_priv->pmon_ndev) {
2136                 ret = -EBUSY;
2137                 goto out;
2138         }
2139
2140         mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2141         if (!mon_ndev) {
2142                 ret = -ENOMEM;
2143                 goto out;
2144         }
2145
2146         mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2147         strncpy(mon_ndev->name, name, IFNAMSIZ);
2148         mon_ndev->name[IFNAMSIZ - 1] = 0;
2149         mon_ndev->needs_free_netdev = true;
2150         mon_ndev->priv_destructor = rtw_ndev_destructor;
2151
2152         mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2153
2154         pnpi = netdev_priv(mon_ndev);
2155         pnpi->priv = padapter;
2156         pnpi->sizeof_priv = sizeof(struct adapter);
2157
2158         /*  wdev */
2159         mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2160         if (!mon_wdev) {
2161                 ret = -ENOMEM;
2162                 goto out;
2163         }
2164
2165         mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2166         mon_wdev->netdev = mon_ndev;
2167         mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2168         mon_ndev->ieee80211_ptr = mon_wdev;
2169
2170         ret = cfg80211_register_netdevice(mon_ndev);
2171         if (ret)
2172                 goto out;
2173
2174         *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2175         memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ + 1);
2176
2177 out:
2178         if (ret && mon_wdev) {
2179                 kfree(mon_wdev);
2180                 mon_wdev = NULL;
2181         }
2182
2183         if (ret && mon_ndev) {
2184                 free_netdev(mon_ndev);
2185                 *ndev = mon_ndev = NULL;
2186         }
2187
2188         return ret;
2189 }
2190
2191 static struct wireless_dev *
2192         cfg80211_rtw_add_virtual_intf(
2193                 struct wiphy *wiphy,
2194                 const char *name,
2195                 unsigned char name_assign_type,
2196                 enum nl80211_iftype type, struct vif_params *params)
2197 {
2198         int ret = 0;
2199         struct net_device *ndev = NULL;
2200         struct adapter *padapter = wiphy_to_adapter(wiphy);
2201
2202         switch (type) {
2203         case NL80211_IFTYPE_ADHOC:
2204         case NL80211_IFTYPE_AP_VLAN:
2205         case NL80211_IFTYPE_WDS:
2206         case NL80211_IFTYPE_MESH_POINT:
2207                 ret = -ENODEV;
2208                 break;
2209         case NL80211_IFTYPE_MONITOR:
2210                 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2211                 break;
2212         case NL80211_IFTYPE_P2P_CLIENT:
2213         case NL80211_IFTYPE_STATION:
2214                 ret = -ENODEV;
2215                 break;
2216         case NL80211_IFTYPE_P2P_GO:
2217         case NL80211_IFTYPE_AP:
2218                 ret = -ENODEV;
2219                 break;
2220         default:
2221                 ret = -ENODEV;
2222                 break;
2223         }
2224
2225         return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2226 }
2227
2228 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2229                                          struct wireless_dev *wdev
2230 )
2231 {
2232         struct net_device *ndev = wdev_to_ndev(wdev);
2233         int ret = 0;
2234         struct adapter *adapter;
2235         struct rtw_wdev_priv *pwdev_priv;
2236
2237         if (!ndev) {
2238                 ret = -EINVAL;
2239                 goto exit;
2240         }
2241
2242         adapter = rtw_netdev_priv(ndev);
2243         pwdev_priv = adapter_wdev_data(adapter);
2244
2245         cfg80211_unregister_netdevice(ndev);
2246
2247         if (ndev == pwdev_priv->pmon_ndev) {
2248                 pwdev_priv->pmon_ndev = NULL;
2249                 pwdev_priv->ifname_mon[0] = '\0';
2250         }
2251
2252 exit:
2253         return ret;
2254 }
2255
2256 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2257 {
2258         int ret = 0;
2259         u8 *pbuf = NULL;
2260         uint len, wps_ielen = 0;
2261         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2262
2263         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2264                 return -EINVAL;
2265
2266         if (head_len < 24)
2267                 return -EINVAL;
2268
2269         pbuf = rtw_zmalloc(head_len + tail_len);
2270         if (!pbuf)
2271                 return -ENOMEM;
2272
2273         memcpy(pbuf, (void *)head + 24, head_len - 24);/*  24 =beacon header len. */
2274         memcpy(pbuf + head_len - 24, (void *)tail, tail_len);
2275
2276         len = head_len + tail_len - 24;
2277
2278         /* check wps ie if inclued */
2279         rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
2280
2281         /* pbss_network->ies will not include p2p_ie, wfd ie */
2282         rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
2283         rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
2284
2285         if (rtw_check_beacon_data(adapter, pbuf,  len) == _SUCCESS)
2286                 ret = 0;
2287         else
2288                 ret = -EINVAL;
2289
2290         kfree(pbuf);
2291
2292         return ret;
2293 }
2294
2295 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2296                                  struct cfg80211_ap_settings *settings)
2297 {
2298         int ret = 0;
2299         struct adapter *adapter = rtw_netdev_priv(ndev);
2300
2301         ret = rtw_add_beacon(adapter, settings->beacon.head,
2302                              settings->beacon.head_len, settings->beacon.tail,
2303                              settings->beacon.tail_len);
2304
2305         adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2306
2307         if (settings->ssid && settings->ssid_len) {
2308                 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2309                 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2310
2311                 memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2312                 pbss_network->ssid.ssid_length = settings->ssid_len;
2313                 memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2314                 pbss_network_ext->ssid.ssid_length = settings->ssid_len;
2315         }
2316
2317         return ret;
2318 }
2319
2320 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy,
2321                                       struct net_device *ndev,
2322                                       struct cfg80211_beacon_data *info)
2323 {
2324         struct adapter *adapter = rtw_netdev_priv(ndev);
2325
2326         return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2327 }
2328
2329 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
2330                                 unsigned int link_id)
2331 {
2332         return 0;
2333 }
2334
2335 static int      cfg80211_rtw_add_station(struct wiphy *wiphy,
2336                                          struct net_device *ndev,
2337                                          const u8 *mac,
2338                                          struct station_parameters *params)
2339 {
2340         return 0;
2341 }
2342
2343 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2344                                     struct station_del_parameters *params)
2345 {
2346         int ret = 0;
2347         struct list_head *phead, *plist, *tmp;
2348         u8 updated = false;
2349         struct sta_info *psta = NULL;
2350         struct adapter *padapter = rtw_netdev_priv(ndev);
2351         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2352         struct sta_priv *pstapriv = &padapter->stapriv;
2353         const u8 *mac = params->mac;
2354
2355         if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
2356                 return -EINVAL;
2357
2358         if (!mac) {
2359                 flush_all_cam_entry(padapter);  /* clear CAM */
2360
2361                 rtw_sta_flush(padapter);
2362
2363                 return 0;
2364         }
2365
2366         if (mac[0] == 0xff && mac[1] == 0xff &&
2367             mac[2] == 0xff && mac[3] == 0xff &&
2368             mac[4] == 0xff && mac[5] == 0xff) {
2369                 return -EINVAL;
2370         }
2371
2372         spin_lock_bh(&pstapriv->asoc_list_lock);
2373
2374         phead = &pstapriv->asoc_list;
2375         /* check asoc_queue */
2376         list_for_each_safe(plist, tmp, phead) {
2377                 psta = list_entry(plist, struct sta_info, asoc_list);
2378
2379                 if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
2380                         if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
2381                                 list_del_init(&psta->asoc_list);
2382                                 pstapriv->asoc_list_cnt--;
2383
2384                                 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
2385
2386                                 psta = NULL;
2387
2388                                 break;
2389                         }
2390                 }
2391         }
2392
2393         spin_unlock_bh(&pstapriv->asoc_list_lock);
2394
2395         associated_clients_update(padapter, updated);
2396
2397         return ret;
2398 }
2399
2400 static int cfg80211_rtw_change_station(struct wiphy *wiphy,
2401                                        struct net_device *ndev,
2402                                        const u8 *mac,
2403                                        struct station_parameters *params)
2404 {
2405         return 0;
2406 }
2407
2408 static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2409
2410 {
2411         struct list_head        *phead, *plist;
2412         struct sta_info *psta = NULL;
2413         int i = 0;
2414
2415         phead = &pstapriv->asoc_list;
2416         plist = get_next(phead);
2417
2418         /* check asoc_queue */
2419         while (phead != plist) {
2420                 if (idx == i)
2421                         psta = container_of(plist, struct sta_info, asoc_list);
2422                 plist = get_next(plist);
2423                 i++;
2424         }
2425         return psta;
2426 }
2427
2428 static int      cfg80211_rtw_dump_station(struct wiphy *wiphy,
2429                                           struct net_device *ndev,
2430                                           int idx, u8 *mac,
2431                                           struct station_info *sinfo)
2432 {
2433         int ret = 0;
2434         struct adapter *padapter = rtw_netdev_priv(ndev);
2435         struct sta_info *psta = NULL;
2436         struct sta_priv *pstapriv = &padapter->stapriv;
2437
2438         spin_lock_bh(&pstapriv->asoc_list_lock);
2439         psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2440         spin_unlock_bh(&pstapriv->asoc_list_lock);
2441         if (psta == NULL) {
2442                 ret = -ENOENT;
2443                 goto exit;
2444         }
2445         memcpy(mac, psta->hwaddr, ETH_ALEN);
2446         sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2447         sinfo->signal = psta->rssi;
2448
2449 exit:
2450         return ret;
2451 }
2452
2453 static int      cfg80211_rtw_change_bss(struct wiphy *wiphy,
2454                                         struct net_device *ndev,
2455                                         struct bss_parameters *params)
2456 {
2457         return 0;
2458 }
2459
2460 void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
2461 {
2462         s32 freq;
2463         int channel;
2464         u8 category, action;
2465
2466         channel = rtw_get_oper_ch(adapter);
2467
2468         rtw_action_frame_parse(frame, frame_len, &category, &action);
2469
2470         freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2471
2472         rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2473 }
2474
2475 static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2476 {
2477         struct xmit_frame       *pmgntframe;
2478         struct pkt_attrib       *pattrib;
2479         unsigned char *pframe;
2480         int ret = _FAIL;
2481         bool __maybe_unused ack = true;
2482         struct ieee80211_hdr *pwlanhdr;
2483         struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2484         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2485
2486         rtw_set_scan_deny(padapter, 1000);
2487
2488         rtw_scan_abort(padapter);
2489         if (tx_ch != rtw_get_oper_ch(padapter)) {
2490                 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2491                         pmlmeext->cur_channel = tx_ch;
2492                 set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
2493         }
2494
2495         /* starting alloc mgmt frame to dump it */
2496         pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2497         if (!pmgntframe) {
2498                 /* ret = -ENOMEM; */
2499                 ret = _FAIL;
2500                 goto exit;
2501         }
2502
2503         /* update attribute */
2504         pattrib = &pmgntframe->attrib;
2505         update_mgntframe_attrib(padapter, pattrib);
2506         pattrib->retry_ctrl = false;
2507
2508         memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2509
2510         pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2511
2512         memcpy(pframe, (void *)buf, len);
2513         pattrib->pktlen = len;
2514
2515         pwlanhdr = (struct ieee80211_hdr *)pframe;
2516         /* update seq number */
2517         pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2518         pattrib->seqnum = pmlmeext->mgnt_seq;
2519         pmlmeext->mgnt_seq++;
2520
2521         pattrib->last_txcmdsz = pattrib->pktlen;
2522
2523         if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
2524                 ack = false;
2525                 ret = _FAIL;
2526
2527         } else {
2528                 msleep(50);
2529
2530                 ret = _SUCCESS;
2531         }
2532
2533 exit:
2534
2535         return ret;
2536 }
2537
2538 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2539                                 struct cfg80211_mgmt_tx_params *params,
2540                                 u64 *cookie)
2541 {
2542         struct net_device *ndev = wdev_to_ndev(wdev);
2543         struct ieee80211_channel *chan = params->chan;
2544         const u8 *buf = params->buf;
2545         size_t len = params->len;
2546         int ret = 0;
2547         int tx_ret;
2548         u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
2549         u32 dump_cnt = 0;
2550         bool ack = true;
2551         u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
2552         u8 category, action;
2553         int type = (-1);
2554         struct adapter *padapter;
2555         struct rtw_wdev_priv *pwdev_priv;
2556
2557         if (!ndev) {
2558                 ret = -EINVAL;
2559                 goto exit;
2560         }
2561
2562         padapter = rtw_netdev_priv(ndev);
2563         pwdev_priv = adapter_wdev_data(padapter);
2564
2565         /* cookie generation */
2566         *cookie = (unsigned long)buf;
2567
2568         /* indicate ack before issue frame to avoid racing with rsp frame */
2569         rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
2570
2571         if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2572                 goto exit;
2573
2574         rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
2575         if (rtw_pwr_wakeup(padapter) == _FAIL) {
2576                 ret = -EFAULT;
2577                 goto cancel_ps_deny;
2578         }
2579
2580         do {
2581                 dump_cnt++;
2582                 tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
2583         } while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
2584
2585         switch (type) {
2586         case P2P_GO_NEGO_CONF:
2587                 rtw_clear_scan_deny(padapter);
2588                 break;
2589         case P2P_INVIT_RESP:
2590                 if (pwdev_priv->invit_info.flags & BIT(0) && pwdev_priv->invit_info.status == 0) {
2591                         rtw_set_scan_deny(padapter, 5000);
2592                         rtw_pwr_wakeup_ex(padapter, 5000);
2593                         rtw_clear_scan_deny(padapter);
2594                 }
2595                 break;
2596         }
2597
2598 cancel_ps_deny:
2599         rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
2600 exit:
2601         return ret;
2602 }
2603
2604 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
2605 {
2606 #define MAX_BIT_RATE_40MHZ_MCS15        300     /* Mbps */
2607 #define MAX_BIT_RATE_40MHZ_MCS7         150     /* Mbps */
2608
2609         ht_cap->ht_supported = true;
2610
2611         ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2612                                         IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
2613                                         IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
2614
2615         /*
2616          *Maximum length of AMPDU that the STA can receive.
2617          *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
2618          */
2619         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2620
2621         /*Minimum MPDU start spacing , */
2622         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
2623
2624         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2625
2626         /*
2627          *hw->wiphy->bands[NL80211_BAND_2GHZ]
2628          *base on ant_num
2629          *rx_mask: RX mask
2630          *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
2631          *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
2632          *if rx_ant >=3 rx_mask[2]= 0xff;
2633          *if BW_40 rx_mask[4]= 0x01;
2634          *highest supported RX rate
2635          */
2636         ht_cap->mcs.rx_mask[0] = 0xFF;
2637         ht_cap->mcs.rx_mask[1] = 0x00;
2638         ht_cap->mcs.rx_mask[4] = 0x01;
2639
2640         ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2641 }
2642
2643 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2644 {
2645         struct ieee80211_supported_band *bands;
2646         struct wireless_dev *pwdev = padapter->rtw_wdev;
2647         struct wiphy *wiphy = pwdev->wiphy;
2648
2649         {
2650                 bands = wiphy->bands[NL80211_BAND_2GHZ];
2651                 if (bands)
2652                         rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ);
2653         }
2654
2655         /* copy mac_addr to wiphy */
2656         memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2657 }
2658
2659 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2660 {
2661         wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2662
2663         wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2664         wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2665         wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2666
2667         wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2668
2669         wiphy->interface_modes =        BIT(NL80211_IFTYPE_STATION)
2670                                                                 | BIT(NL80211_IFTYPE_ADHOC)
2671                                                                 | BIT(NL80211_IFTYPE_AP)
2672                                                                 | BIT(NL80211_IFTYPE_MONITOR)
2673                                                                 ;
2674
2675         wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2676
2677         wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2678
2679         wiphy->cipher_suites = rtw_cipher_suites;
2680         wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2681
2682         /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2683         wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
2684
2685         wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2686         wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2687
2688 #if defined(CONFIG_PM)
2689         wiphy->max_sched_scan_reqs = 1;
2690 #endif
2691
2692 #if defined(CONFIG_PM)
2693         wiphy->wowlan = &wowlan_stub;
2694 #endif
2695
2696         if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2697                 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2698         else
2699                 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2700 }
2701
2702 static struct cfg80211_ops rtw_cfg80211_ops = {
2703         .change_virtual_intf = cfg80211_rtw_change_iface,
2704         .add_key = cfg80211_rtw_add_key,
2705         .get_key = cfg80211_rtw_get_key,
2706         .del_key = cfg80211_rtw_del_key,
2707         .set_default_key = cfg80211_rtw_set_default_key,
2708         .get_station = cfg80211_rtw_get_station,
2709         .scan = cfg80211_rtw_scan,
2710         .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2711         .connect = cfg80211_rtw_connect,
2712         .disconnect = cfg80211_rtw_disconnect,
2713         .join_ibss = cfg80211_rtw_join_ibss,
2714         .leave_ibss = cfg80211_rtw_leave_ibss,
2715         .set_tx_power = cfg80211_rtw_set_txpower,
2716         .get_tx_power = cfg80211_rtw_get_txpower,
2717         .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2718         .set_pmksa = cfg80211_rtw_set_pmksa,
2719         .del_pmksa = cfg80211_rtw_del_pmksa,
2720         .flush_pmksa = cfg80211_rtw_flush_pmksa,
2721         .get_channel = cfg80211_rtw_get_channel,
2722         .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2723         .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2724
2725         .start_ap = cfg80211_rtw_start_ap,
2726         .change_beacon = cfg80211_rtw_change_beacon,
2727         .stop_ap = cfg80211_rtw_stop_ap,
2728
2729         .add_station = cfg80211_rtw_add_station,
2730         .del_station = cfg80211_rtw_del_station,
2731         .change_station = cfg80211_rtw_change_station,
2732         .dump_station = cfg80211_rtw_dump_station,
2733         .change_bss = cfg80211_rtw_change_bss,
2734
2735         .mgmt_tx = cfg80211_rtw_mgmt_tx,
2736 };
2737
2738 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2739 {
2740         int ret = 0;
2741         struct wiphy *wiphy;
2742         struct wireless_dev *wdev;
2743         struct rtw_wdev_priv *pwdev_priv;
2744         struct net_device *pnetdev = padapter->pnetdev;
2745
2746         /* wiphy */
2747         wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
2748         if (!wiphy) {
2749                 ret = -ENOMEM;
2750                 goto exit;
2751         }
2752         set_wiphy_dev(wiphy, dev);
2753         *((struct adapter **)wiphy_priv(wiphy)) = padapter;
2754         rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2755
2756         /* init regulary domain */
2757         rtw_regd_init(wiphy, rtw_reg_notifier);
2758
2759         ret = wiphy_register(wiphy);
2760         if (ret < 0)
2761                 goto free_wiphy;
2762
2763         /*  wdev */
2764         wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2765         if (!wdev) {
2766                 ret = -ENOMEM;
2767                 goto unregister_wiphy;
2768         }
2769         wdev->wiphy = wiphy;
2770         wdev->netdev = pnetdev;
2771
2772         wdev->iftype = NL80211_IFTYPE_STATION; /*  will be init in rtw_hal_init() */
2773                                            /*  Must sync with _rtw_init_mlme_priv() */
2774                                            /*  pmlmepriv->fw_state = WIFI_STATION_STATE */
2775         padapter->rtw_wdev = wdev;
2776         pnetdev->ieee80211_ptr = wdev;
2777
2778         /* init pwdev_priv */
2779         pwdev_priv = adapter_wdev_data(padapter);
2780         pwdev_priv->rtw_wdev = wdev;
2781         pwdev_priv->pmon_ndev = NULL;
2782         pwdev_priv->ifname_mon[0] = '\0';
2783         pwdev_priv->padapter = padapter;
2784         pwdev_priv->scan_request = NULL;
2785         spin_lock_init(&pwdev_priv->scan_req_lock);
2786
2787         pwdev_priv->p2p_enabled = false;
2788         pwdev_priv->provdisc_req_issued = false;
2789         rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2790         rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2791
2792         pwdev_priv->bandroid_scan = false;
2793
2794         if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2795                 pwdev_priv->power_mgmt = true;
2796         else
2797                 pwdev_priv->power_mgmt = false;
2798
2799         return ret;
2800
2801 unregister_wiphy:
2802         wiphy_unregister(wiphy);
2803  free_wiphy:
2804         wiphy_free(wiphy);
2805 exit:
2806         return ret;
2807 }
2808
2809 void rtw_wdev_free(struct wireless_dev *wdev)
2810 {
2811         if (!wdev)
2812                 return;
2813
2814         kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2815
2816         wiphy_free(wdev->wiphy);
2817
2818         kfree(wdev);
2819 }
2820
2821 void rtw_wdev_unregister(struct wireless_dev *wdev)
2822 {
2823         struct net_device *ndev;
2824         struct adapter *adapter;
2825         struct rtw_wdev_priv *pwdev_priv;
2826
2827         if (!wdev)
2828                 return;
2829         ndev = wdev_to_ndev(wdev);
2830         if (!ndev)
2831                 return;
2832
2833         adapter = rtw_netdev_priv(ndev);
2834         pwdev_priv = adapter_wdev_data(adapter);
2835
2836         rtw_cfg80211_indicate_scan_done(adapter, true);
2837
2838         if (pwdev_priv->pmon_ndev)
2839                 unregister_netdev(pwdev_priv->pmon_ndev);
2840
2841         wiphy_unregister(wdev->wiphy);
2842 }