drivers/staging/rtl8712/rtl871x_mlme.c

   1 /******************************************************************************
   2  * rtl871x_mlme.c
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  * Linux device driver for RTL8192SU
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  19  *
  20  * Modifications for inclusion into the Linux staging tree are
  21  * Copyright(c) 2010 Larry Finger. All rights reserved.
  22  *
  23  * Contact information:
  24  * WLAN FAE <wlanfae@realtek.com>
  25  * Larry Finger <Larry.Finger@lwfinger.net>
  26  *
  27  ******************************************************************************/
  28
  29 #define _RTL871X_MLME_C_
  30
  31 #include <linux/etherdevice.h>
  32
  33 #include "osdep_service.h"
  34 #include "drv_types.h"
  35 #include "recv_osdep.h"
  36 #include "xmit_osdep.h"
  37 #include "mlme_osdep.h"
  38 #include "sta_info.h"
  39 #include "wifi.h"
  40 #include "wlan_bssdef.h"
  41
  42 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
  43
  44 static sint _init_mlme_priv(struct _adapter *padapter)
  45 {
  46         sint    i;
  47         u8      *pbuf;
  48         struct wlan_network     *pnetwork;
  49         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  50
  51         memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
  52         pmlmepriv->nic_hdl = (u8 *)padapter;
  53         pmlmepriv->pscanned = NULL;
  54         pmlmepriv->fw_state = 0;
  55         pmlmepriv->cur_network.network.InfrastructureMode =
  56                                  Ndis802_11AutoUnknown;
  57         /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
  58         pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
  59         spin_lock_init(&(pmlmepriv->lock));
  60         spin_lock_init(&(pmlmepriv->lock2));
  61         _init_queue(&(pmlmepriv->free_bss_pool));
  62         _init_queue(&(pmlmepriv->scanned_queue));
  63         set_scanned_network_val(pmlmepriv, 0);
  64         memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
  65         pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
  66         if (pbuf == NULL)
  67                 return _FAIL;
  68         pmlmepriv->free_bss_buf = pbuf;
  69         pnetwork = (struct wlan_network *)pbuf;
  70         for (i = 0; i < MAX_BSS_CNT; i++) {
  71                 _init_listhead(&(pnetwork->list));
  72                 list_insert_tail(&(pnetwork->list),
  73                                  &(pmlmepriv->free_bss_pool.queue));
  74                 pnetwork++;
  75         }
  76         pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
  77         pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
  78         pmlmepriv->sitesurveyctrl.traffic_busy = false;
  79         /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
  80         r8712_init_mlme_timer(padapter);
  81         return _SUCCESS;
  82 }
  83
  84 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
  85 {
  86         unsigned long irqL;
  87         struct wlan_network *pnetwork;
  88         struct  __queue *free_queue = &pmlmepriv->free_bss_pool;
  89         struct list_head *plist = NULL;
  90
  91         if (_queue_empty(free_queue) == true)
  92                 return NULL;
  93         spin_lock_irqsave(&free_queue->lock, irqL);
  94         plist = get_next(&(free_queue->queue));
  95         pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
  96         list_delete(&pnetwork->list);
  97         pnetwork->last_scanned = jiffies;
  98         pmlmepriv->num_of_scanned++;
  99         spin_unlock_irqrestore(&free_queue->lock, irqL);
 100         return pnetwork;
 101 }
 102
 103 static void _free_network(struct mlme_priv *pmlmepriv,
 104                           struct wlan_network *pnetwork)
 105 {
 106         u32 curr_time, delta_time;
 107         unsigned long irqL;
 108         struct  __queue *free_queue = &(pmlmepriv->free_bss_pool);
 109
 110         if (pnetwork == NULL)
 111                 return;
 112         if (pnetwork->fixed == true)
 113                 return;
 114         curr_time = jiffies;
 115         delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
 116         if (delta_time < SCANQUEUE_LIFETIME)
 117                 return;
 118         spin_lock_irqsave(&free_queue->lock, irqL);
 119         list_delete(&pnetwork->list);
 120         list_insert_tail(&pnetwork->list, &free_queue->queue);
 121         pmlmepriv->num_of_scanned--;
 122         spin_unlock_irqrestore(&free_queue->lock, irqL);
 123 }
 124
 125 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
 126                           struct wlan_network *pnetwork)
 127 {
 128         struct  __queue *free_queue = &pmlmepriv->free_bss_pool;
 129
 130         if (pnetwork == NULL)
 131                 return;
 132         if (pnetwork->fixed == true)
 133                 return;
 134         list_delete(&pnetwork->list);
 135         list_insert_tail(&pnetwork->list, get_list_head(free_queue));
 136         pmlmepriv->num_of_scanned--;
 137 }
 138
 139
 140 /*
 141         return the wlan_network with the matching addr
 142         Shall be called under atomic context...
 143         to avoid possible racing condition...
 144 */
 145 static struct wlan_network *_r8712_find_network(struct  __queue *scanned_queue,
 146                                          u8 *addr)
 147 {
 148         unsigned long irqL;
 149         struct list_head *phead, *plist;
 150         struct wlan_network *pnetwork = NULL;
 151
 152         if (is_zero_ether_addr(addr))
 153                 return NULL;
 154         spin_lock_irqsave(&scanned_queue->lock, irqL);
 155         phead = get_list_head(scanned_queue);
 156         plist = get_next(phead);
 157         while (plist != phead) {
 158                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 159                 plist = get_next(plist);
 160                 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
 161                         break;
 162         }
 163         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 164         return pnetwork;
 165 }
 166
 167 static void _free_network_queue(struct _adapter *padapter)
 168 {
 169         unsigned long irqL;
 170         struct list_head *phead, *plist;
 171         struct wlan_network *pnetwork;
 172         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 173         struct  __queue *scanned_queue = &pmlmepriv->scanned_queue;
 174
 175         spin_lock_irqsave(&scanned_queue->lock, irqL);
 176         phead = get_list_head(scanned_queue);
 177         plist = get_next(phead);
 178         while (end_of_queue_search(phead, plist) == false) {
 179                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 180                 plist = get_next(plist);
 181                 _free_network(pmlmepriv, pnetwork);
 182         }
 183         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 184 }
 185
 186 sint r8712_if_up(struct _adapter *padapter)
 187 {
 188         sint res;
 189
 190         if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
 191             (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
 192                 res = false;
 193         } else
 194                 res = true;
 195         return res;
 196 }
 197
 198 void r8712_generate_random_ibss(u8 *pibss)
 199 {
 200         u32 curtime = jiffies;
 201
 202         pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
 203         pibss[1] = 0x11;
 204         pibss[2] = 0x87;
 205         pibss[3] = (u8)(curtime & 0xff);
 206         pibss[4] = (u8)((curtime>>8) & 0xff);
 207         pibss[5] = (u8)((curtime>>16) & 0xff);
 208 }
 209
 210 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
 211 {
 212         uint t_len;
 213
 214         t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
 215                         sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
 216                         sizeof(s32) +
 217                         sizeof(enum NDIS_802_11_NETWORK_TYPE) +
 218                         sizeof(struct NDIS_802_11_CONFIGURATION) +
 219                         sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
 220                         sizeof(NDIS_802_11_RATES_EX) +
 221                         sizeof(u32) + bss->IELength;
 222         return t_len;
 223 }
 224
 225 u8 *r8712_get_capability_from_ie(u8 *ie)
 226 {
 227         return ie + 8 + 2;
 228 }
 229
 230 int r8712_init_mlme_priv(struct _adapter *padapter)
 231 {
 232         return _init_mlme_priv(padapter);
 233 }
 234
 235 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
 236 {
 237         kfree(pmlmepriv->free_bss_buf);
 238 }
 239
 240 static struct   wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
 241 {
 242         return _r8712_alloc_network(pmlmepriv);
 243 }
 244
 245 static void free_network_nolock(struct mlme_priv *pmlmepriv,
 246                          struct wlan_network *pnetwork)
 247 {
 248         _free_network_nolock(pmlmepriv, pnetwork);
 249 }
 250
 251 void r8712_free_network_queue(struct _adapter *dev)
 252 {
 253         _free_network_queue(dev);
 254 }
 255
 256 /*
 257         return the wlan_network with the matching addr
 258
 259         Shall be called under atomic context...
 260         to avoid possible racing condition...
 261 */
 262 static struct wlan_network *r8712_find_network(struct  __queue *scanned_queue,
 263                                                u8 *addr)
 264 {
 265         struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
 266                                                             addr);
 267
 268         return pnetwork;
 269 }
 270
 271 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
 272 {
 273         int ret = true;
 274         struct security_priv *psecuritypriv = &adapter->securitypriv;
 275
 276         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 277                     (pnetwork->network.Privacy == 0))
 278                 ret = false;
 279         else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
 280                  (pnetwork->network.Privacy == 1))
 281                 ret = false;
 282         else
 283                 ret = true;
 284         return ret;
 285
 286 }
 287
 288 static int is_same_network(struct ndis_wlan_bssid_ex *src,
 289                            struct ndis_wlan_bssid_ex *dst)
 290 {
 291          u16 s_cap, d_cap;
 292
 293         memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
 294         memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
 295         return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
 296                         (src->Configuration.DSConfig ==
 297                         dst->Configuration.DSConfig) &&
 298                         ((!memcmp(src->MacAddress, dst->MacAddress,
 299                         ETH_ALEN))) &&
 300                         ((!memcmp(src->Ssid.Ssid,
 301                           dst->Ssid.Ssid,
 302                           src->Ssid.SsidLength))) &&
 303                         ((s_cap & WLAN_CAPABILITY_IBSS) ==
 304                         (d_cap & WLAN_CAPABILITY_IBSS)) &&
 305                         ((s_cap & WLAN_CAPABILITY_BSS) ==
 306                         (d_cap & WLAN_CAPABILITY_BSS));
 307
 308 }
 309
 310 struct  wlan_network *r8712_get_oldest_wlan_network(
 311                                 struct  __queue *scanned_queue)
 312 {
 313         struct list_head *plist, *phead;
 314         struct  wlan_network    *pwlan = NULL;
 315         struct  wlan_network    *oldest = NULL;
 316
 317         phead = get_list_head(scanned_queue);
 318         plist = get_next(phead);
 319         while (1) {
 320                 if (end_of_queue_search(phead, plist) ==  true)
 321                         break;
 322                 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
 323                 if (pwlan->fixed != true) {
 324                         if (oldest == NULL ||
 325                             time_after((unsigned long)oldest->last_scanned,
 326                             (unsigned long)pwlan->last_scanned))
 327                                 oldest = pwlan;
 328                 }
 329                 plist = get_next(plist);
 330         }
 331         return oldest;
 332 }
 333
 334 static void update_network(struct ndis_wlan_bssid_ex *dst,
 335                            struct ndis_wlan_bssid_ex *src,
 336                            struct _adapter *padapter)
 337 {
 338         u32 last_evm = 0, tmpVal;
 339
 340         if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
 341             is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
 342                 if (padapter->recvpriv.signal_qual_data.total_num++ >=
 343                     PHY_LINKQUALITY_SLID_WIN_MAX) {
 344                         padapter->recvpriv.signal_qual_data.total_num =
 345                                    PHY_LINKQUALITY_SLID_WIN_MAX;
 346                         last_evm = padapter->recvpriv.signal_qual_data.
 347                                    elements[padapter->recvpriv.
 348                                    signal_qual_data.index];
 349                         padapter->recvpriv.signal_qual_data.total_val -=
 350                                  last_evm;
 351                 }
 352                 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
 353
 354                 padapter->recvpriv.signal_qual_data.
 355                           elements[padapter->recvpriv.signal_qual_data.
 356                           index++] = src->Rssi;
 357                 if (padapter->recvpriv.signal_qual_data.index >=
 358                     PHY_LINKQUALITY_SLID_WIN_MAX)
 359                         padapter->recvpriv.signal_qual_data.index = 0;
 360                 /* <1> Showed on UI for user, in percentage. */
 361                 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
 362                          padapter->recvpriv.signal_qual_data.total_num;
 363                 padapter->recvpriv.signal = (u8)tmpVal;
 364
 365                 src->Rssi = padapter->recvpriv.signal;
 366         } else
 367                 src->Rssi = (src->Rssi + dst->Rssi) / 2;
 368         memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
 369 }
 370
 371 static void update_current_network(struct _adapter *adapter,
 372                                    struct ndis_wlan_bssid_ex *pnetwork)
 373 {
 374         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 375
 376         if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
 377                 update_network(&(pmlmepriv->cur_network.network),
 378                                pnetwork, adapter);
 379                 r8712_update_protection(adapter,
 380                                (pmlmepriv->cur_network.network.IEs) +
 381                                sizeof(struct NDIS_802_11_FIXED_IEs),
 382                                pmlmepriv->cur_network.network.IELength);
 383         }
 384 }
 385
 386 /*
 387 Caller must hold pmlmepriv->lock first.
 388 */
 389 static void update_scanned_network(struct _adapter *adapter,
 390                             struct ndis_wlan_bssid_ex *target)
 391 {
 392         struct list_head *plist, *phead;
 393
 394         u32 bssid_ex_sz;
 395         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 396         struct  __queue *queue = &pmlmepriv->scanned_queue;
 397         struct wlan_network *pnetwork = NULL;
 398         struct wlan_network *oldest = NULL;
 399
 400         phead = get_list_head(queue);
 401         plist = get_next(phead);
 402
 403         while (1) {
 404                 if (end_of_queue_search(phead, plist) == true)
 405                         break;
 406
 407                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 408                 if (is_same_network(&pnetwork->network, target))
 409                         break;
 410                 if ((oldest == ((struct wlan_network *)0)) ||
 411                     time_after((unsigned long)oldest->last_scanned,
 412                                 (unsigned long)pnetwork->last_scanned))
 413                         oldest = pnetwork;
 414
 415                 plist = get_next(plist);
 416         }
 417
 418
 419         /* If we didn't find a match, then get a new network slot to initialize
 420          * with this beacon's information */
 421         if (end_of_queue_search(phead, plist) == true) {
 422                 if (_queue_empty(&pmlmepriv->free_bss_pool) == true) {
 423                         /* If there are no more slots, expire the oldest */
 424                         pnetwork = oldest;
 425                         target->Rssi = (pnetwork->network.Rssi +
 426                                         target->Rssi) / 2;
 427                         memcpy(&pnetwork->network, target,
 428                                 r8712_get_ndis_wlan_bssid_ex_sz(target));
 429                         pnetwork->last_scanned = jiffies;
 430                 } else {
 431                         /* Otherwise just pull from the free list */
 432                         /* update scan_time */
 433                         pnetwork = alloc_network(pmlmepriv);
 434                         if (pnetwork == NULL)
 435                                 return;
 436                         bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
 437                         target->Length = bssid_ex_sz;
 438                         memcpy(&pnetwork->network, target, bssid_ex_sz);
 439                         list_insert_tail(&pnetwork->list, &queue->queue);
 440                 }
 441         } else {
 442                 /* we have an entry and we are going to update it. But
 443                  * this entry may be already expired. In this case we
 444                  * do the same as we found a new net and call the new_net
 445                  * handler
 446                  */
 447                 update_network(&pnetwork->network, target, adapter);
 448                 pnetwork->last_scanned = jiffies;
 449         }
 450 }
 451
 452 static void rtl8711_add_network(struct _adapter *adapter,
 453                          struct ndis_wlan_bssid_ex *pnetwork)
 454 {
 455         unsigned long irqL;
 456         struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
 457         struct  __queue *queue = &pmlmepriv->scanned_queue;
 458
 459         spin_lock_irqsave(&queue->lock, irqL);
 460         update_current_network(adapter, pnetwork);
 461         update_scanned_network(adapter, pnetwork);
 462         spin_unlock_irqrestore(&queue->lock, irqL);
 463 }
 464
 465 /*select the desired network based on the capability of the (i)bss.
 466  * check items:         (1) security
 467  *                      (2) network_type
 468  *                      (3) WMM
 469  *                      (4) HT
 470  *                      (5) others
 471  */
 472 static int is_desired_network(struct _adapter *adapter,
 473                                 struct wlan_network *pnetwork)
 474 {
 475         u8 wps_ie[512];
 476         uint wps_ielen;
 477         int bselected = true;
 478         struct  security_priv *psecuritypriv = &adapter->securitypriv;
 479
 480         if (psecuritypriv->wps_phase == true) {
 481                 if (r8712_get_wps_ie(pnetwork->network.IEs,
 482                     pnetwork->network.IELength, wps_ie,
 483                     &wps_ielen) == true)
 484                         return true;
 485                 else
 486                         return false;
 487         }
 488         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 489                     (pnetwork->network.Privacy == 0))
 490                 bselected = false;
 491         if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE) == true) {
 492                 if (pnetwork->network.InfrastructureMode !=
 493                         adapter->mlmepriv.cur_network.network.
 494                         InfrastructureMode)
 495                         bselected = false;
 496         }
 497         return bselected;
 498 }
 499
 500 /* TODO: Perry : For Power Management */
 501 void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
 502 {
 503 }
 504
 505 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
 506 {
 507         unsigned long flags;
 508         u32 len;
 509         struct ndis_wlan_bssid_ex *pnetwork;
 510         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 511
 512         pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
 513 #ifdef __BIG_ENDIAN
 514         /* endian_convert */
 515         pnetwork->Length = le32_to_cpu(pnetwork->Length);
 516         pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
 517         pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
 518         pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
 519         pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
 520         pnetwork->Configuration.ATIMWindow =
 521                  le32_to_cpu(pnetwork->Configuration.ATIMWindow);
 522         pnetwork->Configuration.BeaconPeriod =
 523                  le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
 524         pnetwork->Configuration.DSConfig =
 525                  le32_to_cpu(pnetwork->Configuration.DSConfig);
 526         pnetwork->Configuration.FHConfig.DwellTime =
 527                  le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
 528         pnetwork->Configuration.FHConfig.HopPattern =
 529                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
 530         pnetwork->Configuration.FHConfig.HopSet =
 531                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
 532         pnetwork->Configuration.FHConfig.Length =
 533                  le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
 534         pnetwork->Configuration.Length =
 535                  le32_to_cpu(pnetwork->Configuration.Length);
 536         pnetwork->InfrastructureMode =
 537                  le32_to_cpu(pnetwork->InfrastructureMode);
 538         pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
 539 #endif
 540         len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
 541         if (len > sizeof(struct wlan_bssid_ex))
 542                 return;
 543         spin_lock_irqsave(&pmlmepriv->lock2, flags);
 544         /* update IBSS_network 's timestamp */
 545         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
 546                 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
 547                     pnetwork->MacAddress, ETH_ALEN)) {
 548                         struct wlan_network *ibss_wlan = NULL;
 549
 550                         memcpy(pmlmepriv->cur_network.network.IEs,
 551                                 pnetwork->IEs, 8);
 552                         ibss_wlan = r8712_find_network(
 553                                                 &pmlmepriv->scanned_queue,
 554                                                 pnetwork->MacAddress);
 555                         if (ibss_wlan) {
 556                                 memcpy(ibss_wlan->network.IEs,
 557                                         pnetwork->IEs, 8);
 558                                 goto exit;
 559                         }
 560                 }
 561         }
 562         /* lock pmlmepriv->lock when you accessing network_q */
 563         if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
 564                 if (pnetwork->Ssid.Ssid[0] != 0)
 565                         rtl8711_add_network(adapter, pnetwork);
 566                 else {
 567                         pnetwork->Ssid.SsidLength = 8;
 568                         memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
 569                         rtl8711_add_network(adapter, pnetwork);
 570                 }
 571         }
 572 exit:
 573         spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
 574 }
 575
 576 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
 577 {
 578         unsigned long irqL;
 579         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 580
 581         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 582
 583         if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
 584                 u8 timer_cancelled;
 585
 586                 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
 587
 588                 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 589         }
 590
 591         if (pmlmepriv->to_join == true) {
 592                 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
 593                         if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
 594                                 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 595
 596                                 if (r8712_select_and_join_from_scan(pmlmepriv)
 597                                     == _SUCCESS)
 598                                         _set_timer(&pmlmepriv->assoc_timer,
 599                                                    MAX_JOIN_TIMEOUT);
 600                                 else {
 601                                         struct wlan_bssid_ex *pdev_network =
 602                                           &(adapter->registrypriv.dev_network);
 603                                         u8 *pibss =
 604                                                  adapter->registrypriv.
 605                                                         dev_network.MacAddress;
 606                                         pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
 607                                         memcpy(&pdev_network->Ssid,
 608                                                 &pmlmepriv->assoc_ssid,
 609                                                 sizeof(struct
 610                                                          ndis_802_11_ssid));
 611                                         r8712_update_registrypriv_dev_network
 612                                                 (adapter);
 613                                         r8712_generate_random_ibss(pibss);
 614                                         pmlmepriv->fw_state =
 615                                                  WIFI_ADHOC_MASTER_STATE;
 616                                         pmlmepriv->to_join = false;
 617                                 }
 618                         }
 619                 } else {
 620                         pmlmepriv->to_join = false;
 621                         set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 622                         if (r8712_select_and_join_from_scan(pmlmepriv) ==
 623                             _SUCCESS)
 624                                 _set_timer(&pmlmepriv->assoc_timer,
 625                                            MAX_JOIN_TIMEOUT);
 626                         else
 627                                 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 628                 }
 629         }
 630         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 631 }
 632
 633 /*
 634  *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
 635  */
 636 void r8712_free_assoc_resources(struct _adapter *adapter)
 637 {
 638         unsigned long irqL;
 639         struct wlan_network *pwlan = NULL;
 640         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 641         struct sta_priv *pstapriv = &adapter->stapriv;
 642         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 643
 644         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 645                                    tgt_network->network.MacAddress);
 646
 647         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
 648                 struct sta_info *psta;
 649
 650                 psta = r8712_get_stainfo(&adapter->stapriv,
 651                                          tgt_network->network.MacAddress);
 652
 653                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 654                 r8712_free_stainfo(adapter,  psta);
 655                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 656         }
 657
 658         if (check_fwstate(pmlmepriv,
 659             WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
 660                 r8712_free_all_stainfo(adapter);
 661         if (pwlan)
 662                 pwlan->fixed = false;
 663
 664         if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
 665              (adapter->stapriv.asoc_sta_count == 1)))
 666                 free_network_nolock(pmlmepriv, pwlan);
 667 }
 668
 669 /*
 670 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
 671 */
 672 void r8712_indicate_connect(struct _adapter *padapter)
 673 {
 674         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 675
 676         pmlmepriv->to_join = false;
 677         set_fwstate(pmlmepriv, _FW_LINKED);
 678         padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
 679         r8712_os_indicate_connect(padapter);
 680         if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
 681                 _set_timer(&pmlmepriv->dhcp_timer, 60000);
 682 }
 683
 684
 685 /*
 686 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
 687 */
 688 void r8712_ind_disconnect(struct _adapter *padapter)
 689 {
 690         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 691
 692         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
 693                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
 694                 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
 695                 r8712_os_indicate_disconnect(padapter);
 696         }
 697         if (padapter->pwrctrlpriv.pwr_mode !=
 698             padapter->registrypriv.power_mgnt) {
 699                 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
 700                 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
 701                                   padapter->registrypriv.smart_ps);
 702         }
 703 }
 704
 705 /*Notes:
 706  *pnetwork : returns from r8712_joinbss_event_callback
 707  *ptarget_wlan: found from scanned_queue
 708  *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
 709  *  "ptarget_sta" & "ptarget_wlan" exist.
 710  *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
 711  * if "ptarget_wlan" exist.
 712  *if join_res > 0, update "cur_network->network" from
 713  * "pnetwork->network" if (ptarget_wlan !=NULL).
 714  */
 715 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
 716 {
 717         unsigned long irqL = 0, irqL2;
 718         u8 timer_cancelled;
 719         struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
 720         struct sta_priv *pstapriv = &adapter->stapriv;
 721         struct mlme_priv        *pmlmepriv = &adapter->mlmepriv;
 722         struct wlan_network     *cur_network = &pmlmepriv->cur_network;
 723         struct wlan_network     *pcur_wlan = NULL, *ptarget_wlan = NULL;
 724         unsigned int            the_same_macaddr = false;
 725         struct wlan_network *pnetwork;
 726
 727         if (sizeof(struct list_head) == 4 * sizeof(u32)) {
 728                 pnetwork = (struct wlan_network *)
 729                         _malloc(sizeof(struct wlan_network));
 730                 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
 731                         sizeof(struct wlan_network) - 16);
 732         } else
 733                 pnetwork = (struct wlan_network *)pbuf;
 734
 735 #ifdef __BIG_ENDIAN
 736         /* endian_convert */
 737         pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
 738         pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
 739         pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
 740         pnetwork->network.Ssid.SsidLength =
 741                  le32_to_cpu(pnetwork->network.Ssid.SsidLength);
 742         pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
 743         pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
 744         pnetwork->network.NetworkTypeInUse =
 745                  le32_to_cpu(pnetwork->network.NetworkTypeInUse);
 746         pnetwork->network.Configuration.ATIMWindow =
 747                  le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
 748         pnetwork->network.Configuration.BeaconPeriod =
 749                  le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
 750         pnetwork->network.Configuration.DSConfig =
 751                  le32_to_cpu(pnetwork->network.Configuration.DSConfig);
 752         pnetwork->network.Configuration.FHConfig.DwellTime =
 753                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.
 754                              DwellTime);
 755         pnetwork->network.Configuration.FHConfig.HopPattern =
 756                  le32_to_cpu(pnetwork->network.Configuration.
 757                              FHConfig.HopPattern);
 758         pnetwork->network.Configuration.FHConfig.HopSet =
 759                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
 760         pnetwork->network.Configuration.FHConfig.Length =
 761                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
 762         pnetwork->network.Configuration.Length =
 763                  le32_to_cpu(pnetwork->network.Configuration.Length);
 764         pnetwork->network.InfrastructureMode =
 765                  le32_to_cpu(pnetwork->network.InfrastructureMode);
 766         pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
 767 #endif
 768
 769         the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
 770                                    cur_network->network.MacAddress, ETH_ALEN);
 771         pnetwork->network.Length =
 772                  r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
 773         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 774         if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
 775                 goto ignore_joinbss_callback;
 776         if (pnetwork->join_res > 0) {
 777                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
 778                         /*s1. find ptarget_wlan*/
 779                         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
 780                                 if (the_same_macaddr == true)
 781                                         ptarget_wlan =
 782                                             r8712_find_network(&pmlmepriv->
 783                                             scanned_queue,
 784                                             cur_network->network.MacAddress);
 785                                 else {
 786                                         pcur_wlan =
 787                                              r8712_find_network(&pmlmepriv->
 788                                              scanned_queue,
 789                                              cur_network->network.MacAddress);
 790                                         pcur_wlan->fixed = false;
 791
 792                                         pcur_sta = r8712_get_stainfo(pstapriv,
 793                                              cur_network->network.MacAddress);
 794                                         spin_lock_irqsave(&pstapriv->
 795                                                 sta_hash_lock, irqL2);
 796                                         r8712_free_stainfo(adapter, pcur_sta);
 797                                         spin_unlock_irqrestore(&(pstapriv->
 798                                                 sta_hash_lock), irqL2);
 799
 800                                         ptarget_wlan =
 801                                                  r8712_find_network(&pmlmepriv->
 802                                                  scanned_queue,
 803                                                  pnetwork->network.
 804                                                  MacAddress);
 805                                         if (ptarget_wlan)
 806                                                 ptarget_wlan->fixed = true;
 807                                 }
 808                         } else {
 809                                 ptarget_wlan = r8712_find_network(&pmlmepriv->
 810                                                 scanned_queue,
 811                                                 pnetwork->network.MacAddress);
 812                                 if (ptarget_wlan)
 813                                         ptarget_wlan->fixed = true;
 814                         }
 815
 816                         if (ptarget_wlan == NULL) {
 817                                 if (check_fwstate(pmlmepriv,
 818                                         _FW_UNDER_LINKING))
 819                                         pmlmepriv->fw_state ^=
 820                                                  _FW_UNDER_LINKING;
 821                                 goto ignore_joinbss_callback;
 822                         }
 823
 824                         /*s2. find ptarget_sta & update ptarget_sta*/
 825                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 826                                 if (the_same_macaddr == true) {
 827                                         ptarget_sta =
 828                                                  r8712_get_stainfo(pstapriv,
 829                                                  pnetwork->network.MacAddress);
 830                                         if (ptarget_sta == NULL)
 831                                                 ptarget_sta =
 832                                                  r8712_alloc_stainfo(pstapriv,
 833                                                  pnetwork->network.MacAddress);
 834                                 } else
 835                                         ptarget_sta =
 836                                                  r8712_alloc_stainfo(pstapriv,
 837                                                  pnetwork->network.MacAddress);
 838                                 if (ptarget_sta) /*update ptarget_sta*/ {
 839                                         ptarget_sta->aid = pnetwork->join_res;
 840                                         ptarget_sta->qos_option = 1;
 841                                         ptarget_sta->mac_id = 5;
 842                                         if (adapter->securitypriv.
 843                                             AuthAlgrthm == 2) {
 844                                                 adapter->securitypriv.
 845                                                         binstallGrpkey =
 846                                                          false;
 847                                                 adapter->securitypriv.
 848                                                         busetkipkey =
 849                                                          false;
 850                                                 adapter->securitypriv.
 851                                                         bgrpkey_handshake =
 852                                                          false;
 853                                                 ptarget_sta->ieee8021x_blocked
 854                                                          = true;
 855                                                 ptarget_sta->XPrivacy =
 856                                                          adapter->securitypriv.
 857                                                          PrivacyAlgrthm;
 858                                                 memset((u8 *)&ptarget_sta->
 859                                                          x_UncstKey,
 860                                                          0,
 861                                                          sizeof(union Keytype));
 862                                                 memset((u8 *)&ptarget_sta->
 863                                                          tkiprxmickey,
 864                                                          0,
 865                                                          sizeof(union Keytype));
 866                                                 memset((u8 *)&ptarget_sta->
 867                                                          tkiptxmickey,
 868                                                          0,
 869                                                          sizeof(union Keytype));
 870                                                 memset((u8 *)&ptarget_sta->
 871                                                          txpn, 0,
 872                                                          sizeof(union pn48));
 873                                                 memset((u8 *)&ptarget_sta->
 874                                                          rxpn, 0,
 875                                                          sizeof(union pn48));
 876                                         }
 877                                 } else {
 878                                         if (check_fwstate(pmlmepriv,
 879                                             _FW_UNDER_LINKING))
 880                                                 pmlmepriv->fw_state ^=
 881                                                          _FW_UNDER_LINKING;
 882                                         goto ignore_joinbss_callback;
 883                                 }
 884                         }
 885
 886                         /*s3. update cur_network & indicate connect*/
 887                         memcpy(&cur_network->network, &pnetwork->network,
 888                                 pnetwork->network.Length);
 889                         cur_network->aid = pnetwork->join_res;
 890                         /*update fw_state will clr _FW_UNDER_LINKING*/
 891                         switch (pnetwork->network.InfrastructureMode) {
 892                         case Ndis802_11Infrastructure:
 893                                 pmlmepriv->fw_state = WIFI_STATION_STATE;
 894                                 break;
 895                         case Ndis802_11IBSS:
 896                                 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
 897                                 break;
 898                         default:
 899                                 pmlmepriv->fw_state = WIFI_NULL_STATE;
 900                                 break;
 901                         }
 902                         r8712_update_protection(adapter,
 903                                           (cur_network->network.IEs) +
 904                                           sizeof(struct NDIS_802_11_FIXED_IEs),
 905                                           (cur_network->network.IELength));
 906                         /*TODO: update HT_Capability*/
 907                         update_ht_cap(adapter, cur_network->network.IEs,
 908                                       cur_network->network.IELength);
 909                         /*indicate connect*/
 910                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
 911                                 == true)
 912                                 r8712_indicate_connect(adapter);
 913                         _cancel_timer(&pmlmepriv->assoc_timer,
 914                                       &timer_cancelled);
 915                 } else
 916                         goto ignore_joinbss_callback;
 917         } else {
 918                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
 919                         _set_timer(&pmlmepriv->assoc_timer, 1);
 920                         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 921                 }
 922         }
 923 ignore_joinbss_callback:
 924         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 925         if (sizeof(struct list_head) == 4 * sizeof(u32))
 926                 kfree((u8 *)pnetwork);
 927 }
 928
 929 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
 930 {
 931         unsigned long irqL;
 932         struct sta_info *psta;
 933         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 934         struct stassoc_event *pstassoc  = (struct stassoc_event *)pbuf;
 935
 936         /* to do: */
 937         if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
 938                 return;
 939         psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
 940         if (psta != NULL) {
 941                 /*the sta have been in sta_info_queue => do nothing
 942                  *(between drv has received this event before and
 943                  *  fw have not yet to set key to CAM_ENTRY) */
 944                 return;
 945         }
 946
 947         psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
 948         if (psta == NULL)
 949                 return;
 950         /* to do : init sta_info variable */
 951         psta->qos_option = 0;
 952         psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
 953         /* psta->aid = (uint)pstassoc->cam_id; */
 954
 955         if (adapter->securitypriv.AuthAlgrthm == 2)
 956                 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
 957         psta->ieee8021x_blocked = false;
 958         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 959         if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
 960             (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
 961                 if (adapter->stapriv.asoc_sta_count == 2) {
 962                         /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
 963                         r8712_indicate_connect(adapter);
 964                 }
 965         }
 966         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 967 }
 968
 969 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
 970 {
 971         unsigned long irqL, irqL2;
 972         struct sta_info *psta;
 973         struct wlan_network *pwlan = NULL;
 974         struct wlan_bssid_ex *pdev_network = NULL;
 975         u8 *pibss = NULL;
 976         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 977         struct stadel_event *pstadel = (struct stadel_event *)pbuf;
 978         struct sta_priv *pstapriv = &adapter->stapriv;
 979         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 980
 981         spin_lock_irqsave(&pmlmepriv->lock, irqL2);
 982         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
 983                 r8712_ind_disconnect(adapter);
 984                 r8712_free_assoc_resources(adapter);
 985         }
 986         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
 987             WIFI_ADHOC_STATE)) {
 988                 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
 989                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 990                 r8712_free_stainfo(adapter, psta);
 991                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 992                 if (adapter->stapriv.asoc_sta_count == 1) {
 993                         /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
 994                         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 995                                 tgt_network->network.MacAddress);
 996                         if (pwlan) {
 997                                 pwlan->fixed = false;
 998                                 free_network_nolock(pmlmepriv, pwlan);
 999                         }
1000                         /*re-create ibss*/
1001                         pdev_network = &(adapter->registrypriv.dev_network);
1002                         pibss = adapter->registrypriv.dev_network.MacAddress;
1003                         memcpy(pdev_network, &tgt_network->network,
1004                                 r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
1005                                                         network));
1006                         memcpy(&pdev_network->Ssid,
1007                                 &pmlmepriv->assoc_ssid,
1008                                 sizeof(struct ndis_802_11_ssid));
1009                         r8712_update_registrypriv_dev_network(adapter);
1010                         r8712_generate_random_ibss(pibss);
1011                         if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1012                                 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1013                                 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1014                         }
1015                 }
1016         }
1017         spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1018 }
1019
1020 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1021 {
1022         struct reportpwrstate_parm *preportpwrstate =
1023                          (struct reportpwrstate_parm *)pbuf;
1024
1025         preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1026         r8712_cpwm_int_hdl(adapter, preportpwrstate);
1027 }
1028
1029 /*      When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1030  *       the ADDBA req frame with start seq control = 0 to wifi client after
1031  *       the WPA handshake and the seqence number of following data packet
1032  *      will be 0. In this case, the Rx reorder sequence is not longer than 0
1033  *       and the WiFi client will drop the data with seq number 0.
1034  *      So, the 8712 firmware has to inform driver with receiving the
1035  *       ADDBA-Req frame so that the driver can reset the
1036  *      sequence value of Rx reorder control.
1037  */
1038 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1039 {
1040         struct  ADDBA_Req_Report_parm *pAddbareq_pram =
1041                          (struct ADDBA_Req_Report_parm *)pbuf;
1042         struct  sta_info *psta;
1043         struct  sta_priv *pstapriv = &adapter->stapriv;
1044         struct  recv_reorder_ctrl *precvreorder_ctrl = NULL;
1045
1046         netdev_info(adapter->pnetdev, "%s: mac = %pM, seq = %d, tid = %d\n",
1047                     __func__, pAddbareq_pram->MacAddress,
1048             pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
1049         psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1050         if (psta) {
1051                 precvreorder_ctrl =
1052                          &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1053                 /* set the indicate_seq to 0xffff so that the rx reorder
1054                  * can store any following data packet.
1055                  */
1056                 precvreorder_ctrl->indicate_seq = 0xffff;
1057         }
1058 }
1059
1060 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1061 {
1062         if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1063                 adapter->securitypriv.wps_hw_pbc_pressed = true;
1064 }
1065
1066 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1067 {
1068         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1069         struct sitesurvey_ctrl  *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1070         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1071         u64 current_tx_pkts;
1072         uint current_rx_pkts;
1073
1074         current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1075                           (psitesurveyctrl->last_tx_pkts);
1076         current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1077                           (psitesurveyctrl->last_rx_pkts);
1078         psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1079         psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1080         if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1081             (current_rx_pkts > pregistrypriv->busy_thresh))
1082                 psitesurveyctrl->traffic_busy = true;
1083         else
1084                 psitesurveyctrl->traffic_busy = false;
1085 }
1086
1087 void _r8712_join_timeout_handler(struct _adapter *adapter)
1088 {
1089         unsigned long irqL;
1090         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1091
1092         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1093                 return;
1094         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1095         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1096         pmlmepriv->to_join = false;
1097         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1098                 r8712_os_indicate_disconnect(adapter);
1099                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1100         }
1101         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1102                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1103                                   adapter->registrypriv.smart_ps);
1104         }
1105         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1106 }
1107
1108 void r8712_scan_timeout_handler (struct _adapter *adapter)
1109 {
1110         unsigned long irqL;
1111         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1112
1113         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1114         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1115         pmlmepriv->to_join = false;     /* scan fail, so clear to_join flag */
1116         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1117 }
1118
1119 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1120 {
1121         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1122                 return;
1123         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1124                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1125                             adapter->registrypriv.smart_ps);
1126 }
1127
1128 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1129 {
1130         r8712_wdg_wk_cmd(adapter);
1131 }
1132
1133 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1134 {
1135         struct list_head *phead;
1136         unsigned char *dst_ssid, *src_ssid;
1137         struct _adapter *adapter;
1138         struct  __queue *queue = NULL;
1139         struct wlan_network *pnetwork = NULL;
1140         struct wlan_network *pnetwork_max_rssi = NULL;
1141
1142         adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1143         queue = &pmlmepriv->scanned_queue;
1144         phead = get_list_head(queue);
1145         pmlmepriv->pscanned = get_next(phead);
1146         while (1) {
1147                 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1148                         if ((pmlmepriv->assoc_by_rssi == true) &&
1149                             (pnetwork_max_rssi != NULL)) {
1150                                 pnetwork = pnetwork_max_rssi;
1151                                 goto ask_for_joinbss;
1152                         }
1153                         return _FAIL;
1154                 }
1155                 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1156                                           struct wlan_network, list);
1157                 if (pnetwork == NULL)
1158                         return _FAIL;
1159                 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1160                 if (pmlmepriv->assoc_by_bssid == true) {
1161                         dst_ssid = pnetwork->network.MacAddress;
1162                         src_ssid = pmlmepriv->assoc_bssid;
1163                         if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1164                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1165                                         if (is_same_network(&pmlmepriv->
1166                                             cur_network.network,
1167                                             &pnetwork->network)) {
1168                                                 _clr_fwstate_(pmlmepriv,
1169                                                         _FW_UNDER_LINKING);
1170                                                 /*r8712_indicate_connect again*/
1171                                                 r8712_indicate_connect(adapter);
1172                                                 return 2;
1173                                         }
1174                                         r8712_disassoc_cmd(adapter);
1175                                         r8712_ind_disconnect(adapter);
1176                                         r8712_free_assoc_resources(adapter);
1177                                 }
1178                                 goto ask_for_joinbss;
1179                         }
1180                 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1181                         goto ask_for_joinbss;
1182                 dst_ssid = pnetwork->network.Ssid.Ssid;
1183                 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1184                 if ((pnetwork->network.Ssid.SsidLength ==
1185                     pmlmepriv->assoc_ssid.SsidLength) &&
1186                     (!memcmp(dst_ssid, src_ssid,
1187                      pmlmepriv->assoc_ssid.SsidLength))) {
1188                         if (pmlmepriv->assoc_by_rssi == true) {
1189                                 /* if the ssid is the same, select the bss
1190                                  *  which has the max rssi*/
1191                                 if (pnetwork_max_rssi) {
1192                                         if (pnetwork->network.Rssi >
1193                                             pnetwork_max_rssi->network.Rssi)
1194                                                 pnetwork_max_rssi = pnetwork;
1195                                 } else
1196                                         pnetwork_max_rssi = pnetwork;
1197                         } else if (is_desired_network(adapter, pnetwork)) {
1198                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1199                                         r8712_disassoc_cmd(adapter);
1200                                         r8712_free_assoc_resources(adapter);
1201                                 }
1202                                 goto ask_for_joinbss;
1203                         }
1204                 }
1205         }
1206         return _FAIL;
1207 ask_for_joinbss:
1208         return r8712_joinbss_cmd(adapter, pnetwork);
1209 }
1210
1211 sint r8712_set_auth(struct _adapter *adapter,
1212                     struct security_priv *psecuritypriv)
1213 {
1214         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1215         struct cmd_obj *pcmd;
1216         struct setauth_parm *psetauthparm;
1217         sint ret = _SUCCESS;
1218
1219         pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1220         if (pcmd == NULL)
1221                 return _FAIL;
1222
1223         psetauthparm = (struct setauth_parm *)_malloc(
1224                         sizeof(struct setauth_parm));
1225         if (psetauthparm == NULL) {
1226                 kfree((unsigned char *)pcmd);
1227                 return _FAIL;
1228         }
1229         memset(psetauthparm, 0, sizeof(struct setauth_parm));
1230         psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1231         pcmd->cmdcode = _SetAuth_CMD_;
1232         pcmd->parmbuf = (unsigned char *)psetauthparm;
1233         pcmd->cmdsz = sizeof(struct setauth_parm);
1234         pcmd->rsp = NULL;
1235         pcmd->rspsz = 0;
1236         _init_listhead(&pcmd->list);
1237         r8712_enqueue_cmd(pcmdpriv, pcmd);
1238         return ret;
1239 }
1240
1241 sint r8712_set_key(struct _adapter *adapter,
1242                    struct security_priv *psecuritypriv,
1243              sint keyid)
1244 {
1245         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1246         struct cmd_obj *pcmd;
1247         struct setkey_parm *psetkeyparm;
1248         u8 keylen;
1249
1250         pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1251         if (pcmd == NULL)
1252                 return _FAIL;
1253         psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1254         if (psetkeyparm == NULL) {
1255                 kfree((unsigned char *)pcmd);
1256                 return _FAIL;
1257         }
1258         memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1259         if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1260                 psetkeyparm->algorithm =
1261                          (u8)psecuritypriv->XGrpPrivacy;
1262         } else { /* WEP */
1263                 psetkeyparm->algorithm =
1264                          (u8)psecuritypriv->PrivacyAlgrthm;
1265         }
1266         psetkeyparm->keyid = (u8)keyid;
1267
1268         switch (psetkeyparm->algorithm) {
1269         case _WEP40_:
1270                 keylen = 5;
1271                 memcpy(psetkeyparm->key,
1272                         psecuritypriv->DefKey[keyid].skey, keylen);
1273                 break;
1274         case _WEP104_:
1275                 keylen = 13;
1276                 memcpy(psetkeyparm->key,
1277                         psecuritypriv->DefKey[keyid].skey, keylen);
1278                 break;
1279         case _TKIP_:
1280                 if (keyid < 1 || keyid > 2)
1281                         return _FAIL;
1282                 keylen = 16;
1283                 memcpy(psetkeyparm->key,
1284                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1285                 psetkeyparm->grpkey = 1;
1286                 break;
1287         case _AES_:
1288                 if (keyid < 1 || keyid > 2)
1289                         return _FAIL;
1290                 keylen = 16;
1291                 memcpy(psetkeyparm->key,
1292                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1293                 psetkeyparm->grpkey = 1;
1294                 break;
1295         default:
1296                 return _FAIL;
1297         }
1298         pcmd->cmdcode = _SetKey_CMD_;
1299         pcmd->parmbuf = (u8 *)psetkeyparm;
1300         pcmd->cmdsz =  (sizeof(struct setkey_parm));
1301         pcmd->rsp = NULL;
1302         pcmd->rspsz = 0;
1303         _init_listhead(&pcmd->list);
1304         r8712_enqueue_cmd(pcmdpriv, pcmd);
1305         return _SUCCESS;
1306 }
1307
1308 /* adjust IEs for r8712_joinbss_cmd in WMM */
1309 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1310                     uint in_len, uint initial_out_len)
1311 {
1312         unsigned int ielength = 0;
1313         unsigned int i, j;
1314
1315         i = 12; /* after the fixed IE */
1316         while (i < in_len) {
1317                 ielength = initial_out_len;
1318                 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1319                     in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1320                     in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1321                         /*WMM element ID and OUI*/
1322                         for (j = i; j < i + 9; j++) {
1323                                 out_ie[ielength] = in_ie[j];
1324                                 ielength++;
1325                         }
1326                         out_ie[initial_out_len + 1] = 0x07;
1327                         out_ie[initial_out_len + 6] = 0x00;
1328                         out_ie[initial_out_len + 8] = 0x00;
1329                         break;
1330                 }
1331                 i += (in_ie[i + 1] + 2); /* to the next IE element */
1332         }
1333         return ielength;
1334 }
1335
1336 /*
1337  * Ported from 8185: IsInPreAuthKeyList().
1338  *
1339  * Search by BSSID,
1340  * Return Value:
1341  *      -1              :if there is no pre-auth key in the  table
1342  *      >=0             :if there is pre-auth key, and   return the entry id
1343  */
1344 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1345 {
1346         struct security_priv *psecuritypriv = &Adapter->securitypriv;
1347         int i = 0;
1348
1349         do {
1350                 if (psecuritypriv->PMKIDList[i].bUsed &&
1351                    (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1352                             bssid, ETH_ALEN)))
1353                         break;
1354                 else
1355                         i++;
1356         } while (i < NUM_PMKID_CACHE);
1357
1358         if (i == NUM_PMKID_CACHE) {
1359                 i = -1; /* Could not find. */
1360         } else {
1361                 ; /* There is one Pre-Authentication Key for the
1362                    * specific BSSID. */
1363         }
1364         return i;
1365 }
1366
1367 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1368                      u8 *out_ie, uint in_len)
1369 {
1370         u8 authmode = 0, securitytype, match;
1371         u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1372         u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1373         uint ielength, cnt, remove_cnt;
1374         int iEntry;
1375         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1376         struct security_priv *psecuritypriv = &adapter->securitypriv;
1377         uint ndisauthmode = psecuritypriv->ndisauthtype;
1378         uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1379
1380         if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1381             (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1382                 authmode = _WPA_IE_ID_;
1383                 uncst_oui[0] = 0x0;
1384                 uncst_oui[1] = 0x50;
1385                 uncst_oui[2] = 0xf2;
1386         }
1387         if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1388             (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1389                 authmode = _WPA2_IE_ID_;
1390                 uncst_oui[0] = 0x0;
1391                 uncst_oui[1] = 0x0f;
1392                 uncst_oui[2] = 0xac;
1393         }
1394         switch (ndissecuritytype) {
1395         case Ndis802_11Encryption1Enabled:
1396         case Ndis802_11Encryption1KeyAbsent:
1397                 securitytype = _WEP40_;
1398                 uncst_oui[3] = 0x1;
1399                 break;
1400         case Ndis802_11Encryption2Enabled:
1401         case Ndis802_11Encryption2KeyAbsent:
1402                 securitytype = _TKIP_;
1403                 uncst_oui[3] = 0x2;
1404                 break;
1405         case Ndis802_11Encryption3Enabled:
1406         case Ndis802_11Encryption3KeyAbsent:
1407                 securitytype = _AES_;
1408                 uncst_oui[3] = 0x4;
1409                 break;
1410         default:
1411                 securitytype = _NO_PRIVACY_;
1412                 break;
1413         }
1414         /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1415         cnt = 12;
1416         match = false;
1417         while (cnt < in_len) {
1418                 if (in_ie[cnt] == authmode) {
1419                         if ((authmode == _WPA_IE_ID_) &&
1420                             (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1421                                 memcpy(&sec_ie[0], &in_ie[cnt],
1422                                         in_ie[cnt + 1] + 2);
1423                                 match = true;
1424                                 break;
1425                         }
1426                         if (authmode == _WPA2_IE_ID_) {
1427                                 memcpy(&sec_ie[0], &in_ie[cnt],
1428                                         in_ie[cnt + 1] + 2);
1429                                 match = true;
1430                                 break;
1431                         }
1432                         if (((authmode == _WPA_IE_ID_) &&
1433                              (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1434                              (authmode == _WPA2_IE_ID_))
1435                                 memcpy(&bkup_ie[0], &in_ie[cnt],
1436                                         in_ie[cnt + 1] + 2);
1437                 }
1438                 cnt += in_ie[cnt+1] + 2; /*get next*/
1439         }
1440         /*restruct WPA IE or WPA2 IE in sec_ie[] */
1441         if (match == true) {
1442                 if (sec_ie[0] == _WPA_IE_ID_) {
1443                         /* parsing SSN IE to select required encryption
1444                          * algorithm, and set the bc/mc encryption algorithm */
1445                         while (true) {
1446                                 /*check wpa_oui tag*/
1447                                 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1448                                         match = false;
1449                                         break;
1450                                 }
1451                                 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1452                                         /*IE Ver error*/
1453                                         match = false;
1454                                         break;
1455                                 }
1456                                 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1457                                         /* get bc/mc encryption type (group
1458                                          * key type)*/
1459                                         switch (sec_ie[11]) {
1460                                         case 0x0: /*none*/
1461                                                 psecuritypriv->XGrpPrivacy =
1462                                                                 _NO_PRIVACY_;
1463                                                 break;
1464                                         case 0x1: /*WEP_40*/
1465                                                 psecuritypriv->XGrpPrivacy =
1466                                                                 _WEP40_;
1467                                                 break;
1468                                         case 0x2: /*TKIP*/
1469                                                 psecuritypriv->XGrpPrivacy =
1470                                                                 _TKIP_;
1471                                                 break;
1472                                         case 0x3: /*AESCCMP*/
1473                                         case 0x4:
1474                                                 psecuritypriv->XGrpPrivacy =
1475                                                                 _AES_;
1476                                                 break;
1477                                         case 0x5: /*WEP_104*/
1478                                                 psecuritypriv->XGrpPrivacy =
1479                                                                 _WEP104_;
1480                                                 break;
1481                                         }
1482                                 } else {
1483                                         match = false;
1484                                         break;
1485                                 }
1486                                 if (sec_ie[12] == 0x01) {
1487                                         /*check the unicast encryption type*/
1488                                         if (memcmp(&sec_ie[14],
1489                                             &uncst_oui[0], 4)) {
1490                                                 match = false;
1491                                                 break;
1492
1493                                         } /*else the uncst_oui is match*/
1494                                 } else { /*mixed mode, unicast_enc_type > 1*/
1495                                         /*select the uncst_oui and remove
1496                                          * the other uncst_oui*/
1497                                         cnt = sec_ie[12];
1498                                         remove_cnt = (cnt-1) * 4;
1499                                         sec_ie[12] = 0x01;
1500                                         memcpy(&sec_ie[14], &uncst_oui[0], 4);
1501                                         /*remove the other unicast suit*/
1502                                         memcpy(&sec_ie[18],
1503                                                 &sec_ie[18 + remove_cnt],
1504                                                 sec_ie[1] - 18 + 2 -
1505                                                 remove_cnt);
1506                                         sec_ie[1] = sec_ie[1] - remove_cnt;
1507                                 }
1508                                 break;
1509                         }
1510                 }
1511                 if (authmode == _WPA2_IE_ID_) {
1512                         /* parsing RSN IE to select required encryption
1513                          * algorithm, and set the bc/mc encryption algorithm */
1514                         while (true) {
1515                                 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1516                                         /*IE Ver error*/
1517                                         match = false;
1518                                         break;
1519                                 }
1520                                 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1521                                         /*get bc/mc encryption type*/
1522                                         switch (sec_ie[7]) {
1523                                         case 0x1: /*WEP_40*/
1524                                                 psecuritypriv->XGrpPrivacy =
1525                                                                 _WEP40_;
1526                                                 break;
1527                                         case 0x2: /*TKIP*/
1528                                                 psecuritypriv->XGrpPrivacy =
1529                                                                 _TKIP_;
1530                                                 break;
1531                                         case 0x4: /*AESWRAP*/
1532                                                 psecuritypriv->XGrpPrivacy =
1533                                                                 _AES_;
1534                                                 break;
1535                                         case 0x5: /*WEP_104*/
1536                                                 psecuritypriv->XGrpPrivacy =
1537                                                                 _WEP104_;
1538                                                 break;
1539                                         default: /*one*/
1540                                                 psecuritypriv->XGrpPrivacy =
1541                                                                 _NO_PRIVACY_;
1542                                                 break;
1543                                         }
1544                                 } else {
1545                                         match = false;
1546                                         break;
1547                                 }
1548                                 if (sec_ie[8] == 0x01) {
1549                                         /*check the unicast encryption type*/
1550                                         if (memcmp(&sec_ie[10],
1551                                                      &uncst_oui[0], 4)) {
1552                                                 match = false;
1553                                                 break;
1554                                         } /*else the uncst_oui is match*/
1555                                 } else { /*mixed mode, unicast_enc_type > 1*/
1556                                         /*select the uncst_oui and remove the
1557                                          * other uncst_oui*/
1558                                         cnt = sec_ie[8];
1559                                         remove_cnt = (cnt-1)*4;
1560                                         sec_ie[8] = 0x01;
1561                                         memcpy(&sec_ie[10], &uncst_oui[0], 4);
1562                                         /*remove the other unicast suit*/
1563                                         memcpy(&sec_ie[14],
1564                                                 &sec_ie[14 + remove_cnt],
1565                                                 (sec_ie[1] - 14 + 2 -
1566                                                 remove_cnt));
1567                                         sec_ie[1] = sec_ie[1]-remove_cnt;
1568                                 }
1569                                 break;
1570                         }
1571                 }
1572         }
1573         if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1574                 /*copy fixed ie*/
1575                 memcpy(out_ie, in_ie, 12);
1576                 ielength = 12;
1577                 /*copy RSN or SSN*/
1578                 if (match == true) {
1579                         memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1580                         ielength += sec_ie[1] + 2;
1581                         if (authmode == _WPA2_IE_ID_) {
1582                                 /*the Pre-Authentication bit should be zero*/
1583                                 out_ie[ielength - 1] = 0;
1584                                 out_ie[ielength - 2] = 0;
1585                         }
1586                         r8712_report_sec_ie(adapter, authmode, sec_ie);
1587                 }
1588         } else {
1589                 /*copy fixed ie only*/
1590                 memcpy(out_ie, in_ie, 12);
1591                 ielength = 12;
1592                 if (psecuritypriv->wps_phase == true) {
1593                         memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1594                                 psecuritypriv->wps_ie_len);
1595                         ielength += psecuritypriv->wps_ie_len;
1596                 }
1597         }
1598         iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1599         if (iEntry < 0)
1600                 return ielength;
1601         else {
1602                 if (authmode == _WPA2_IE_ID_) {
1603                         out_ie[ielength] = 1;
1604                         ielength++;
1605                         out_ie[ielength] = 0;   /*PMKID count = 0x0100*/
1606                         ielength++;
1607                         memcpy(&out_ie[ielength],
1608                                 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1609                         ielength += 16;
1610                         out_ie[13] += 18;/*PMKID length = 2+16*/
1611                 }
1612         }
1613         return ielength;
1614 }
1615
1616 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1617 {
1618         struct registry_priv *pregistrypriv = &adapter->registrypriv;
1619         struct eeprom_priv *peepriv = &adapter->eeprompriv;
1620         struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1621         u8 *myhwaddr = myid(peepriv);
1622
1623         memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1624         memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1625                 sizeof(struct ndis_802_11_ssid));
1626         pdev_network->Configuration.Length =
1627                          sizeof(struct NDIS_802_11_CONFIGURATION);
1628         pdev_network->Configuration.BeaconPeriod = 100;
1629         pdev_network->Configuration.FHConfig.Length = 0;
1630         pdev_network->Configuration.FHConfig.HopPattern = 0;
1631         pdev_network->Configuration.FHConfig.HopSet = 0;
1632         pdev_network->Configuration.FHConfig.DwellTime = 0;
1633 }
1634
1635 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1636 {
1637         int sz = 0;
1638         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1639         struct wlan_bssid_ex    *pdev_network = &pregistrypriv->dev_network;
1640         struct security_priv    *psecuritypriv = &adapter->securitypriv;
1641         struct wlan_network     *cur_network = &adapter->mlmepriv.cur_network;
1642
1643         pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1644                                             > 0 ? 1 : 0); /* adhoc no 802.1x */
1645         pdev_network->Rssi = 0;
1646         switch (pregistrypriv->wireless_mode) {
1647         case WIRELESS_11B:
1648                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1649                 break;
1650         case WIRELESS_11G:
1651         case WIRELESS_11BG:
1652                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1653                 break;
1654         case WIRELESS_11A:
1655                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1656                 break;
1657         default:
1658                 /* TODO */
1659                 break;
1660         }
1661         pdev_network->Configuration.DSConfig = cpu_to_le32(
1662                                                pregistrypriv->channel);
1663         if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1664                 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1665         pdev_network->InfrastructureMode = cpu_to_le32(
1666                                 cur_network->network.InfrastructureMode);
1667         /* 1. Supported rates
1668          * 2. IE
1669          */
1670         sz = r8712_generate_ie(pregistrypriv);
1671         pdev_network->IELength = sz;
1672         pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1673                               (struct ndis_wlan_bssid_ex *)pdev_network);
1674 }
1675
1676 /*the function is at passive_level*/
1677 void r8712_joinbss_reset(struct _adapter *padapter)
1678 {
1679         int i;
1680         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1681         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1682
1683         /* todo: if you want to do something io/reg/hw setting before join_bss,
1684          * please add code here */
1685         phtpriv->ampdu_enable = false;/*reset to disabled*/
1686         for (i = 0; i < 16; i++)
1687                 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1688         if (phtpriv->ht_option) {
1689                 /* validate  usb rx aggregation */
1690                 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1691         } else {
1692                 /* invalidate  usb rx aggregation */
1693                 /* TH=1 => means that invalidate usb rx aggregation */
1694                 r8712_write8(padapter, 0x102500D9, 1);
1695         }
1696 }
1697
1698 /*the function is >= passive_level*/
1699 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1700                                      u8 *out_ie, uint in_len, uint *pout_len)
1701 {
1702         u32 ielen, out_len;
1703         unsigned char *p, *pframe;
1704         struct ieee80211_ht_cap ht_capie;
1705         unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1706         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1707         struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1708         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1709
1710         phtpriv->ht_option = 0;
1711         p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1712         if (p && (ielen > 0)) {
1713                 if (pqospriv->qos_option == 0) {
1714                         out_len = *pout_len;
1715                         pframe = r8712_set_ie(out_ie+out_len,
1716                                               _VENDOR_SPECIFIC_IE_,
1717                                               _WMM_IE_Length_,
1718                                                WMM_IE, pout_len);
1719                         pqospriv->qos_option = 1;
1720                 }
1721                 out_len = *pout_len;
1722                 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1723                 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1724                                     IEEE80211_HT_CAP_SGI_20 |
1725                                     IEEE80211_HT_CAP_SGI_40 |
1726                                     IEEE80211_HT_CAP_TX_STBC |
1727                                     IEEE80211_HT_CAP_MAX_AMSDU |
1728                                     IEEE80211_HT_CAP_DSSSCCK40;
1729                 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1730                                 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1731                 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1732                                 sizeof(struct ieee80211_ht_cap),
1733                                 (unsigned char *)&ht_capie, pout_len);
1734                 phtpriv->ht_option = 1;
1735         }
1736         return phtpriv->ht_option;
1737 }
1738
1739 /* the function is > passive_level (in critical_section) */
1740 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1741 {
1742         u8 *p, max_ampdu_sz;
1743         int i, len;
1744         struct sta_info *bmc_sta, *psta;
1745         struct ieee80211_ht_cap *pht_capie;
1746         struct ieee80211_ht_addt_info *pht_addtinfo;
1747         struct recv_reorder_ctrl *preorder_ctrl;
1748         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1749         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1750         struct registry_priv *pregistrypriv = &padapter->registrypriv;
1751         struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1752
1753         if (!phtpriv->ht_option)
1754                 return;
1755         /* maybe needs check if ap supports rx ampdu. */
1756         if ((phtpriv->ampdu_enable == false) &&
1757             (pregistrypriv->ampdu_enable == 1))
1758                 phtpriv->ampdu_enable = true;
1759         /*check Max Rx A-MPDU Size*/
1760         len = 0;
1761         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1762                                 _HT_CAPABILITY_IE_,
1763                                 &len, ie_len -
1764                                 sizeof(struct NDIS_802_11_FIXED_IEs));
1765         if (p && len > 0) {
1766                 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1767                 max_ampdu_sz = (pht_capie->ampdu_params_info &
1768                                 IEEE80211_HT_CAP_AMPDU_FACTOR);
1769                 /* max_ampdu_sz (kbytes); */
1770                 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1771                 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1772         }
1773         /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1774          * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1775          * wstart_b(indicate_seq) to default value=0xffff
1776          * todo: check if AP can send A-MPDU packets
1777          */
1778         bmc_sta = r8712_get_bcmc_stainfo(padapter);
1779         if (bmc_sta) {
1780                 for (i = 0; i < 16; i++) {
1781                         preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1782                         preorder_ctrl->indicate_seq = 0xffff;
1783                         preorder_ctrl->wend_b = 0xffff;
1784                 }
1785         }
1786         psta = r8712_get_stainfo(&padapter->stapriv,
1787                                  pcur_network->network.MacAddress);
1788         if (psta) {
1789                 for (i = 0; i < 16; i++) {
1790                         preorder_ctrl = &psta->recvreorder_ctrl[i];
1791                         preorder_ctrl->indicate_seq = 0xffff;
1792                         preorder_ctrl->wend_b = 0xffff;
1793                 }
1794         }
1795         len = 0;
1796         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1797                    _HT_ADD_INFO_IE_, &len,
1798                    ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1799         if (p && len > 0)
1800                 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1801 }
1802
1803 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1804 {
1805         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1806         struct ht_priv   *phtpriv = &pmlmepriv->htpriv;
1807
1808         if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1809                 if (phtpriv->baddbareq_issued[priority] == false) {
1810                         r8712_addbareq_cmd(padapter, (u8)priority);
1811                         phtpriv->baddbareq_issued[priority] = true;
1812                 }
1813         }
1814 }