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 = kmalloc_array(MAX_BSS_CNT, sizeof(struct wlan_network),
  66                              GFP_ATOMIC);
  67         if (!pbuf)
  68                 return _FAIL;
  69         pmlmepriv->free_bss_buf = pbuf;
  70         pnetwork = (struct wlan_network *)pbuf;
  71         for (i = 0; i < MAX_BSS_CNT; i++) {
  72                 INIT_LIST_HEAD(&(pnetwork->list));
  73                 list_add_tail(&(pnetwork->list),
  74                                  &(pmlmepriv->free_bss_pool.queue));
  75                 pnetwork++;
  76         }
  77         pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
  78         pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
  79         pmlmepriv->sitesurveyctrl.traffic_busy = false;
  80         /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
  81         r8712_init_mlme_timer(padapter);
  82         return _SUCCESS;
  83 }
  84
  85 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
  86 {
  87         unsigned long irqL;
  88         struct wlan_network *pnetwork;
  89         struct  __queue *free_queue = &pmlmepriv->free_bss_pool;
  90
  91         spin_lock_irqsave(&free_queue->lock, irqL);
  92         pnetwork = list_first_entry_or_null(&free_queue->queue,
  93                                             struct wlan_network, list);
  94         if (pnetwork) {
  95                 list_del_init(&pnetwork->list);
  96                 pnetwork->last_scanned = jiffies;
  97                 pmlmepriv->num_of_scanned++;
  98         }
  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)
 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_del_init(&pnetwork->list);
 120         list_add_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)
 133                 return;
 134         list_del_init(&pnetwork->list);
 135         list_add_tail(&pnetwork->list, &free_queue->queue);
 136         pmlmepriv->num_of_scanned--;
 137 }
 138
 139
 140 /* return the wlan_network with the matching addr
 141  * Shall be called under atomic context...
 142  * to avoid possible racing condition...
 143  */
 144 static struct wlan_network *_r8712_find_network(struct  __queue *scanned_queue,
 145                                          u8 *addr)
 146 {
 147         unsigned long irqL;
 148         struct list_head *phead, *plist;
 149         struct wlan_network *pnetwork = NULL;
 150
 151         if (is_zero_ether_addr(addr))
 152                 return NULL;
 153         spin_lock_irqsave(&scanned_queue->lock, irqL);
 154         phead = &scanned_queue->queue;
 155         plist = phead->next;
 156         while (plist != phead) {
 157                 pnetwork = container_of(plist, struct wlan_network, list);
 158                 plist = plist->next;
 159                 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
 160                         break;
 161         }
 162         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 163         return pnetwork;
 164 }
 165
 166 static void _free_network_queue(struct _adapter *padapter)
 167 {
 168         unsigned long irqL;
 169         struct list_head *phead, *plist;
 170         struct wlan_network *pnetwork;
 171         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 172         struct  __queue *scanned_queue = &pmlmepriv->scanned_queue;
 173
 174         spin_lock_irqsave(&scanned_queue->lock, irqL);
 175         phead = &scanned_queue->queue;
 176         plist = phead->next;
 177         while (!end_of_queue_search(phead, plist)) {
 178                 pnetwork = container_of(plist, struct wlan_network, list);
 179                 plist = plist->next;
 180                 _free_network(pmlmepriv, pnetwork);
 181         }
 182         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 183 }
 184
 185 sint r8712_if_up(struct _adapter *padapter)
 186 {
 187         sint res;
 188
 189         if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
 190             !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
 191                 res = false;
 192         } else {
 193                 res = true;
 194         }
 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_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
 211 {
 212         return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
 213 }
 214
 215 u8 *r8712_get_capability_from_ie(u8 *ie)
 216 {
 217         return ie + 8 + 2;
 218 }
 219
 220 int r8712_init_mlme_priv(struct _adapter *padapter)
 221 {
 222         return _init_mlme_priv(padapter);
 223 }
 224
 225 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
 226 {
 227         kfree(pmlmepriv->free_bss_buf);
 228 }
 229
 230 static struct   wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
 231 {
 232         return _r8712_alloc_network(pmlmepriv);
 233 }
 234
 235 void r8712_free_network_queue(struct _adapter *dev)
 236 {
 237         _free_network_queue(dev);
 238 }
 239
 240 /*
 241  * return the wlan_network with the matching addr
 242  * Shall be called under atomic context...
 243  * to avoid possible racing condition...
 244  */
 245 static struct wlan_network *r8712_find_network(struct  __queue *scanned_queue,
 246                                                u8 *addr)
 247 {
 248         struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
 249                                                             addr);
 250
 251         return pnetwork;
 252 }
 253
 254 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
 255 {
 256         int ret = true;
 257         struct security_priv *psecuritypriv = &adapter->securitypriv;
 258
 259         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 260                     (pnetwork->network.Privacy == cpu_to_le32(0)))
 261                 ret = false;
 262         else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
 263                  (pnetwork->network.Privacy == cpu_to_le32(1)))
 264                 ret = false;
 265         else
 266                 ret = true;
 267         return ret;
 268
 269 }
 270
 271 static int is_same_network(struct wlan_bssid_ex *src,
 272                            struct wlan_bssid_ex *dst)
 273 {
 274          u16 s_cap, d_cap;
 275
 276         memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
 277         memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
 278         return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
 279                         (src->Configuration.DSConfig ==
 280                         dst->Configuration.DSConfig) &&
 281                         ((!memcmp(src->MacAddress, dst->MacAddress,
 282                         ETH_ALEN))) &&
 283                         ((!memcmp(src->Ssid.Ssid,
 284                           dst->Ssid.Ssid,
 285                           src->Ssid.SsidLength))) &&
 286                         ((s_cap & WLAN_CAPABILITY_IBSS) ==
 287                         (d_cap & WLAN_CAPABILITY_IBSS)) &&
 288                         ((s_cap & WLAN_CAPABILITY_BSS) ==
 289                         (d_cap & WLAN_CAPABILITY_BSS));
 290
 291 }
 292
 293 struct  wlan_network *r8712_get_oldest_wlan_network(
 294                                 struct  __queue *scanned_queue)
 295 {
 296         struct list_head *plist, *phead;
 297         struct  wlan_network    *pwlan = NULL;
 298         struct  wlan_network    *oldest = NULL;
 299
 300         phead = &scanned_queue->queue;
 301         plist = phead->next;
 302         while (1) {
 303                 if (end_of_queue_search(phead, plist) ==  true)
 304                         break;
 305                 pwlan = container_of(plist, struct wlan_network, list);
 306                 if (pwlan->fixed != true) {
 307                         if (oldest == NULL ||
 308                             time_after((unsigned long)oldest->last_scanned,
 309                             (unsigned long)pwlan->last_scanned))
 310                                 oldest = pwlan;
 311                 }
 312                 plist = plist->next;
 313         }
 314         return oldest;
 315 }
 316
 317 static void update_network(struct wlan_bssid_ex *dst,
 318                            struct wlan_bssid_ex *src,
 319                            struct _adapter *padapter)
 320 {
 321         u32 last_evm = 0, tmpVal;
 322         struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
 323
 324         if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
 325             is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
 326                 if (padapter->recvpriv.signal_qual_data.total_num++ >=
 327                     PHY_LINKQUALITY_SLID_WIN_MAX) {
 328                         padapter->recvpriv.signal_qual_data.total_num =
 329                                    PHY_LINKQUALITY_SLID_WIN_MAX;
 330                         last_evm = sqd->elements[sqd->index];
 331                         padapter->recvpriv.signal_qual_data.total_val -=
 332                                  last_evm;
 333                 }
 334                 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
 335
 336                 sqd->elements[sqd->index++] = src->Rssi;
 337                 if (padapter->recvpriv.signal_qual_data.index >=
 338                     PHY_LINKQUALITY_SLID_WIN_MAX)
 339                         padapter->recvpriv.signal_qual_data.index = 0;
 340                 /* <1> Showed on UI for user, in percentage. */
 341                 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
 342                          padapter->recvpriv.signal_qual_data.total_num;
 343                 padapter->recvpriv.signal = (u8)tmpVal;
 344
 345                 src->Rssi = padapter->recvpriv.signal;
 346         } else {
 347                 src->Rssi = (src->Rssi + dst->Rssi) / 2;
 348         }
 349         memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
 350 }
 351
 352 static void update_current_network(struct _adapter *adapter,
 353                                    struct wlan_bssid_ex *pnetwork)
 354 {
 355         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 356
 357         if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
 358                 update_network(&(pmlmepriv->cur_network.network),
 359                                pnetwork, adapter);
 360                 r8712_update_protection(adapter,
 361                                (pmlmepriv->cur_network.network.IEs) +
 362                                sizeof(struct NDIS_802_11_FIXED_IEs),
 363                                pmlmepriv->cur_network.network.IELength);
 364         }
 365 }
 366
 367 /* Caller must hold pmlmepriv->lock first */
 368 static void update_scanned_network(struct _adapter *adapter,
 369                             struct wlan_bssid_ex *target)
 370 {
 371         struct list_head *plist, *phead;
 372
 373         u32 bssid_ex_sz;
 374         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 375         struct  __queue *queue = &pmlmepriv->scanned_queue;
 376         struct wlan_network *pnetwork = NULL;
 377         struct wlan_network *oldest = NULL;
 378
 379         phead = &queue->queue;
 380         plist = phead->next;
 381
 382         while (1) {
 383                 if (end_of_queue_search(phead, plist))
 384                         break;
 385
 386                 pnetwork = container_of(plist, struct wlan_network, list);
 387                 if (is_same_network(&pnetwork->network, target))
 388                         break;
 389                 if ((oldest == ((struct wlan_network *)0)) ||
 390                     time_after((unsigned long)oldest->last_scanned,
 391                                 (unsigned long)pnetwork->last_scanned))
 392                         oldest = pnetwork;
 393
 394                 plist = plist->next;
 395         }
 396
 397
 398         /* If we didn't find a match, then get a new network slot to initialize
 399          * with this beacon's information
 400          */
 401         if (end_of_queue_search(phead, plist)) {
 402                 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
 403                         /* If there are no more slots, expire the oldest */
 404                         pnetwork = oldest;
 405                         target->Rssi = (pnetwork->network.Rssi +
 406                                         target->Rssi) / 2;
 407                         memcpy(&pnetwork->network, target,
 408                                 r8712_get_wlan_bssid_ex_sz(target));
 409                         pnetwork->last_scanned = jiffies;
 410                 } else {
 411                         /* Otherwise just pull from the free list */
 412                         /* update scan_time */
 413                         pnetwork = alloc_network(pmlmepriv);
 414                         if (pnetwork == NULL)
 415                                 return;
 416                         bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
 417                         target->Length = bssid_ex_sz;
 418                         memcpy(&pnetwork->network, target, bssid_ex_sz);
 419                         list_add_tail(&pnetwork->list, &queue->queue);
 420                 }
 421         } else {
 422                 /* we have an entry and we are going to update it. But
 423                  * this entry may be already expired. In this case we
 424                  * do the same as we found a new net and call the new_net
 425                  * handler
 426                  */
 427                 update_network(&pnetwork->network, target, adapter);
 428                 pnetwork->last_scanned = jiffies;
 429         }
 430 }
 431
 432 static void rtl8711_add_network(struct _adapter *adapter,
 433                          struct wlan_bssid_ex *pnetwork)
 434 {
 435         unsigned long irqL;
 436         struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
 437         struct  __queue *queue = &pmlmepriv->scanned_queue;
 438
 439         spin_lock_irqsave(&queue->lock, irqL);
 440         update_current_network(adapter, pnetwork);
 441         update_scanned_network(adapter, pnetwork);
 442         spin_unlock_irqrestore(&queue->lock, irqL);
 443 }
 444
 445 /*select the desired network based on the capability of the (i)bss.
 446  * check items:         (1) security
 447  *                      (2) network_type
 448  *                      (3) WMM
 449  *                      (4) HT
 450  *                      (5) others
 451  */
 452 static int is_desired_network(struct _adapter *adapter,
 453                                 struct wlan_network *pnetwork)
 454 {
 455         u8 wps_ie[512];
 456         uint wps_ielen;
 457         int bselected = true;
 458         struct  security_priv *psecuritypriv = &adapter->securitypriv;
 459
 460         if (psecuritypriv->wps_phase) {
 461                 if (r8712_get_wps_ie(pnetwork->network.IEs,
 462                     pnetwork->network.IELength, wps_ie,
 463                     &wps_ielen))
 464                         return true;
 465                 return false;
 466         }
 467         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 468                     (pnetwork->network.Privacy == 0))
 469                 bselected = false;
 470         if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) {
 471                 if (pnetwork->network.InfrastructureMode !=
 472                         adapter->mlmepriv.cur_network.network.
 473                         InfrastructureMode)
 474                         bselected = false;
 475         }
 476         return bselected;
 477 }
 478
 479 /* TODO: Perry : For Power Management */
 480 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
 481 {
 482 }
 483
 484 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
 485 {
 486         unsigned long flags;
 487         u32 len;
 488         struct wlan_bssid_ex *pnetwork;
 489         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 490
 491         pnetwork = (struct wlan_bssid_ex *)pbuf;
 492 #ifdef __BIG_ENDIAN
 493         /* endian_convert */
 494         pnetwork->Length = le32_to_cpu(pnetwork->Length);
 495         pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
 496         pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
 497         pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
 498         pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
 499         pnetwork->Configuration.ATIMWindow =
 500                  le32_to_cpu(pnetwork->Configuration.ATIMWindow);
 501         pnetwork->Configuration.BeaconPeriod =
 502                  le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
 503         pnetwork->Configuration.DSConfig =
 504                  le32_to_cpu(pnetwork->Configuration.DSConfig);
 505         pnetwork->Configuration.FHConfig.DwellTime =
 506                  le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
 507         pnetwork->Configuration.FHConfig.HopPattern =
 508                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
 509         pnetwork->Configuration.FHConfig.HopSet =
 510                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
 511         pnetwork->Configuration.FHConfig.Length =
 512                  le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
 513         pnetwork->Configuration.Length =
 514                  le32_to_cpu(pnetwork->Configuration.Length);
 515         pnetwork->InfrastructureMode =
 516                  le32_to_cpu(pnetwork->InfrastructureMode);
 517         pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
 518 #endif
 519         len = r8712_get_wlan_bssid_ex_sz(pnetwork);
 520         if (len > sizeof(struct wlan_bssid_ex))
 521                 return;
 522         spin_lock_irqsave(&pmlmepriv->lock2, flags);
 523         /* update IBSS_network 's timestamp */
 524         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
 525                 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
 526                     pnetwork->MacAddress, ETH_ALEN)) {
 527                         struct wlan_network *ibss_wlan = NULL;
 528
 529                         memcpy(pmlmepriv->cur_network.network.IEs,
 530                                 pnetwork->IEs, 8);
 531                         ibss_wlan = r8712_find_network(
 532                                                 &pmlmepriv->scanned_queue,
 533                                                 pnetwork->MacAddress);
 534                         if (ibss_wlan) {
 535                                 memcpy(ibss_wlan->network.IEs,
 536                                         pnetwork->IEs, 8);
 537                                 goto exit;
 538                         }
 539                 }
 540         }
 541         /* lock pmlmepriv->lock when you accessing network_q */
 542         if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
 543                 if (pnetwork->Ssid.Ssid[0] != 0) {
 544                         rtl8711_add_network(adapter, pnetwork);
 545                 } else {
 546                         pnetwork->Ssid.SsidLength = 8;
 547                         memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
 548                         rtl8711_add_network(adapter, pnetwork);
 549                 }
 550         }
 551 exit:
 552         spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
 553 }
 554
 555 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
 556 {
 557         unsigned long irqL;
 558         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 559
 560         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 561
 562         if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
 563                 del_timer(&pmlmepriv->scan_to_timer);
 564
 565                 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 566         }
 567
 568         if (pmlmepriv->to_join) {
 569                 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
 570                         if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
 571                                 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 572
 573                                 if (r8712_select_and_join_from_scan(pmlmepriv)
 574                                     == _SUCCESS) {
 575                                         mod_timer(&pmlmepriv->assoc_timer, jiffies +
 576                                                   msecs_to_jiffies(MAX_JOIN_TIMEOUT));
 577                                 } else {
 578                                         struct wlan_bssid_ex *pdev_network =
 579                                           &(adapter->registrypriv.dev_network);
 580                                         u8 *pibss =
 581                                                  adapter->registrypriv.
 582                                                         dev_network.MacAddress;
 583                                         pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
 584                                         memcpy(&pdev_network->Ssid,
 585                                                 &pmlmepriv->assoc_ssid,
 586                                                 sizeof(struct
 587                                                          ndis_802_11_ssid));
 588                                         r8712_update_registrypriv_dev_network
 589                                                 (adapter);
 590                                         r8712_generate_random_ibss(pibss);
 591                                         pmlmepriv->fw_state =
 592                                                  WIFI_ADHOC_MASTER_STATE;
 593                                         pmlmepriv->to_join = false;
 594                                 }
 595                         }
 596                 } else {
 597                         pmlmepriv->to_join = false;
 598                         set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 599                         if (r8712_select_and_join_from_scan(pmlmepriv) ==
 600                             _SUCCESS)
 601                                 mod_timer(&pmlmepriv->assoc_timer, jiffies +
 602                                           msecs_to_jiffies(MAX_JOIN_TIMEOUT));
 603                         else
 604                                 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 605                 }
 606         }
 607         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 608 }
 609
 610 /*
 611  *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
 612  */
 613 void r8712_free_assoc_resources(struct _adapter *adapter)
 614 {
 615         unsigned long irqL;
 616         struct wlan_network *pwlan = NULL;
 617         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 618         struct sta_priv *pstapriv = &adapter->stapriv;
 619         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 620
 621         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 622                                    tgt_network->network.MacAddress);
 623
 624         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
 625                 struct sta_info *psta;
 626
 627                 psta = r8712_get_stainfo(&adapter->stapriv,
 628                                          tgt_network->network.MacAddress);
 629
 630                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 631                 r8712_free_stainfo(adapter,  psta);
 632                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 633         }
 634
 635         if (check_fwstate(pmlmepriv,
 636             WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
 637                 r8712_free_all_stainfo(adapter);
 638         if (pwlan)
 639                 pwlan->fixed = false;
 640
 641         if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
 642              (adapter->stapriv.asoc_sta_count == 1)))
 643                 free_network_nolock(pmlmepriv, pwlan);
 644 }
 645
 646 /*
 647  * r8712_indicate_connect: the caller has to lock pmlmepriv->lock
 648  */
 649 void r8712_indicate_connect(struct _adapter *padapter)
 650 {
 651         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 652
 653         pmlmepriv->to_join = false;
 654         set_fwstate(pmlmepriv, _FW_LINKED);
 655         padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
 656         r8712_os_indicate_connect(padapter);
 657         if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
 658                 mod_timer(&pmlmepriv->dhcp_timer,
 659                           jiffies + msecs_to_jiffies(60000));
 660 }
 661
 662
 663 /*
 664  * r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
 665  */
 666 void r8712_ind_disconnect(struct _adapter *padapter)
 667 {
 668         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 669
 670         if (check_fwstate(pmlmepriv, _FW_LINKED)) {
 671                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
 672                 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
 673                 r8712_os_indicate_disconnect(padapter);
 674         }
 675         if (padapter->pwrctrlpriv.pwr_mode !=
 676             padapter->registrypriv.power_mgnt) {
 677                 del_timer(&pmlmepriv->dhcp_timer);
 678                 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
 679                                   padapter->registrypriv.smart_ps);
 680         }
 681 }
 682
 683 /*Notes:
 684  *pnetwork : returns from r8712_joinbss_event_callback
 685  *ptarget_wlan: found from scanned_queue
 686  *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
 687  *  "ptarget_sta" & "ptarget_wlan" exist.
 688  *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
 689  * if "ptarget_wlan" exist.
 690  *if join_res > 0, update "cur_network->network" from
 691  * "pnetwork->network" if (ptarget_wlan !=NULL).
 692  */
 693 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
 694 {
 695         unsigned long irqL = 0, irqL2;
 696         struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
 697         struct sta_priv *pstapriv = &adapter->stapriv;
 698         struct mlme_priv        *pmlmepriv = &adapter->mlmepriv;
 699         struct wlan_network     *cur_network = &pmlmepriv->cur_network;
 700         struct wlan_network     *pcur_wlan = NULL, *ptarget_wlan = NULL;
 701         unsigned int            the_same_macaddr = false;
 702         struct wlan_network *pnetwork;
 703
 704         if (sizeof(struct list_head) == 4 * sizeof(u32)) {
 705                 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
 706                 if (!pnetwork)
 707                         return;
 708                 memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
 709                        sizeof(struct wlan_network) - 16);
 710         } else {
 711                 pnetwork = (struct wlan_network *)pbuf;
 712         }
 713
 714 #ifdef __BIG_ENDIAN
 715         /* endian_convert */
 716         pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
 717         pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
 718         pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
 719         pnetwork->network.Ssid.SsidLength =
 720                  le32_to_cpu(pnetwork->network.Ssid.SsidLength);
 721         pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
 722         pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
 723         pnetwork->network.NetworkTypeInUse =
 724                  le32_to_cpu(pnetwork->network.NetworkTypeInUse);
 725         pnetwork->network.Configuration.ATIMWindow =
 726                  le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
 727         pnetwork->network.Configuration.BeaconPeriod =
 728                  le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
 729         pnetwork->network.Configuration.DSConfig =
 730                  le32_to_cpu(pnetwork->network.Configuration.DSConfig);
 731         pnetwork->network.Configuration.FHConfig.DwellTime =
 732                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.
 733                              DwellTime);
 734         pnetwork->network.Configuration.FHConfig.HopPattern =
 735                  le32_to_cpu(pnetwork->network.Configuration.
 736                              FHConfig.HopPattern);
 737         pnetwork->network.Configuration.FHConfig.HopSet =
 738                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
 739         pnetwork->network.Configuration.FHConfig.Length =
 740                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
 741         pnetwork->network.Configuration.Length =
 742                  le32_to_cpu(pnetwork->network.Configuration.Length);
 743         pnetwork->network.InfrastructureMode =
 744                  le32_to_cpu(pnetwork->network.InfrastructureMode);
 745         pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
 746 #endif
 747
 748         the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
 749                                    cur_network->network.MacAddress, ETH_ALEN);
 750         pnetwork->network.Length =
 751                  r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
 752         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 753         if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
 754                 goto ignore_joinbss_callback;
 755         if (pnetwork->join_res > 0) {
 756                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
 757                         /*s1. find ptarget_wlan*/
 758                         if (check_fwstate(pmlmepriv, _FW_LINKED)) {
 759                                 if (the_same_macaddr) {
 760                                         ptarget_wlan =
 761                                             r8712_find_network(&pmlmepriv->
 762                                             scanned_queue,
 763                                             cur_network->network.MacAddress);
 764                                 } else {
 765                                         pcur_wlan =
 766                                              r8712_find_network(&pmlmepriv->
 767                                              scanned_queue,
 768                                              cur_network->network.MacAddress);
 769                                         pcur_wlan->fixed = false;
 770
 771                                         pcur_sta = r8712_get_stainfo(pstapriv,
 772                                              cur_network->network.MacAddress);
 773                                         spin_lock_irqsave(&pstapriv->
 774                                                 sta_hash_lock, irqL2);
 775                                         r8712_free_stainfo(adapter, pcur_sta);
 776                                         spin_unlock_irqrestore(&(pstapriv->
 777                                                 sta_hash_lock), irqL2);
 778
 779                                         ptarget_wlan =
 780                                                  r8712_find_network(&pmlmepriv->
 781                                                  scanned_queue,
 782                                                  pnetwork->network.
 783                                                  MacAddress);
 784                                         if (ptarget_wlan)
 785                                                 ptarget_wlan->fixed = true;
 786                                 }
 787                         } else {
 788                                 ptarget_wlan = r8712_find_network(&pmlmepriv->
 789                                                 scanned_queue,
 790                                                 pnetwork->network.MacAddress);
 791                                 if (ptarget_wlan)
 792                                         ptarget_wlan->fixed = true;
 793                         }
 794
 795                         if (ptarget_wlan == NULL) {
 796                                 if (check_fwstate(pmlmepriv,
 797                                         _FW_UNDER_LINKING))
 798                                         pmlmepriv->fw_state ^=
 799                                                  _FW_UNDER_LINKING;
 800                                 goto ignore_joinbss_callback;
 801                         }
 802
 803                         /*s2. find ptarget_sta & update ptarget_sta*/
 804                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 805                                 if (the_same_macaddr) {
 806                                         ptarget_sta =
 807                                                  r8712_get_stainfo(pstapriv,
 808                                                  pnetwork->network.MacAddress);
 809                                         if (ptarget_sta == NULL)
 810                                                 ptarget_sta =
 811                                                  r8712_alloc_stainfo(pstapriv,
 812                                                  pnetwork->network.MacAddress);
 813                                 } else {
 814                                         ptarget_sta =
 815                                                  r8712_alloc_stainfo(pstapriv,
 816                                                  pnetwork->network.MacAddress);
 817                                 }
 818                                 if (ptarget_sta) /*update ptarget_sta*/ {
 819                                         ptarget_sta->aid = pnetwork->join_res;
 820                                         ptarget_sta->qos_option = 1;
 821                                         ptarget_sta->mac_id = 5;
 822                                         if (adapter->securitypriv.
 823                                             AuthAlgrthm == 2) {
 824                                                 adapter->securitypriv.
 825                                                         binstallGrpkey =
 826                                                          false;
 827                                                 adapter->securitypriv.
 828                                                         busetkipkey =
 829                                                          false;
 830                                                 adapter->securitypriv.
 831                                                         bgrpkey_handshake =
 832                                                          false;
 833                                                 ptarget_sta->ieee8021x_blocked
 834                                                          = true;
 835                                                 ptarget_sta->XPrivacy =
 836                                                          adapter->securitypriv.
 837                                                          PrivacyAlgrthm;
 838                                                 memset((u8 *)&ptarget_sta->
 839                                                          x_UncstKey,
 840                                                          0,
 841                                                          sizeof(union Keytype));
 842                                                 memset((u8 *)&ptarget_sta->
 843                                                          tkiprxmickey,
 844                                                          0,
 845                                                          sizeof(union Keytype));
 846                                                 memset((u8 *)&ptarget_sta->
 847                                                          tkiptxmickey,
 848                                                          0,
 849                                                          sizeof(union Keytype));
 850                                                 memset((u8 *)&ptarget_sta->
 851                                                          txpn, 0,
 852                                                          sizeof(union pn48));
 853                                                 memset((u8 *)&ptarget_sta->
 854                                                          rxpn, 0,
 855                                                          sizeof(union pn48));
 856                                         }
 857                                 } else {
 858                                         if (check_fwstate(pmlmepriv,
 859                                             _FW_UNDER_LINKING))
 860                                                 pmlmepriv->fw_state ^=
 861                                                          _FW_UNDER_LINKING;
 862                                         goto ignore_joinbss_callback;
 863                                 }
 864                         }
 865
 866                         /*s3. update cur_network & indicate connect*/
 867                         memcpy(&cur_network->network, &pnetwork->network,
 868                                 pnetwork->network.Length);
 869                         cur_network->aid = pnetwork->join_res;
 870                         /*update fw_state will clr _FW_UNDER_LINKING*/
 871                         switch (pnetwork->network.InfrastructureMode) {
 872                         case Ndis802_11Infrastructure:
 873                                 pmlmepriv->fw_state = WIFI_STATION_STATE;
 874                                 break;
 875                         case Ndis802_11IBSS:
 876                                 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
 877                                 break;
 878                         default:
 879                                 pmlmepriv->fw_state = WIFI_NULL_STATE;
 880                                 break;
 881                         }
 882                         r8712_update_protection(adapter,
 883                                           (cur_network->network.IEs) +
 884                                           sizeof(struct NDIS_802_11_FIXED_IEs),
 885                                           (cur_network->network.IELength));
 886                         /*TODO: update HT_Capability*/
 887                         update_ht_cap(adapter, cur_network->network.IEs,
 888                                       cur_network->network.IELength);
 889                         /*indicate connect*/
 890                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
 891                                 r8712_indicate_connect(adapter);
 892                         del_timer(&pmlmepriv->assoc_timer);
 893                 } else {
 894                         goto ignore_joinbss_callback;
 895                 }
 896         } else {
 897                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
 898                         mod_timer(&pmlmepriv->assoc_timer,
 899                                   jiffies + msecs_to_jiffies(1));
 900                         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 901                 }
 902         }
 903 ignore_joinbss_callback:
 904         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 905         if (sizeof(struct list_head) == 4 * sizeof(u32))
 906                 kfree(pnetwork);
 907 }
 908
 909 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
 910 {
 911         unsigned long irqL;
 912         struct sta_info *psta;
 913         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 914         struct stassoc_event *pstassoc  = (struct stassoc_event *)pbuf;
 915
 916         /* to do: */
 917         if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
 918                 return;
 919         psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
 920         if (psta != NULL) {
 921                 /*the sta have been in sta_info_queue => do nothing
 922                  *(between drv has received this event before and
 923                  * fw have not yet to set key to CAM_ENTRY)
 924                  */
 925                 return;
 926         }
 927
 928         psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
 929         if (psta == NULL)
 930                 return;
 931         /* to do : init sta_info variable */
 932         psta->qos_option = 0;
 933         psta->mac_id = le32_to_cpu(pstassoc->cam_id);
 934         /* psta->aid = (uint)pstassoc->cam_id; */
 935
 936         if (adapter->securitypriv.AuthAlgrthm == 2)
 937                 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
 938         psta->ieee8021x_blocked = false;
 939         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 940         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
 941             check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
 942                 if (adapter->stapriv.asoc_sta_count == 2) {
 943                         /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
 944                         r8712_indicate_connect(adapter);
 945                 }
 946         }
 947         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 948 }
 949
 950 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
 951 {
 952         unsigned long irqL, irqL2;
 953         struct sta_info *psta;
 954         struct wlan_network *pwlan = NULL;
 955         struct wlan_bssid_ex *pdev_network = NULL;
 956         u8 *pibss = NULL;
 957         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 958         struct stadel_event *pstadel = (struct stadel_event *)pbuf;
 959         struct sta_priv *pstapriv = &adapter->stapriv;
 960         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 961
 962         spin_lock_irqsave(&pmlmepriv->lock, irqL2);
 963         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 964                 r8712_ind_disconnect(adapter);
 965                 r8712_free_assoc_resources(adapter);
 966         }
 967         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
 968             WIFI_ADHOC_STATE)) {
 969                 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
 970                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 971                 r8712_free_stainfo(adapter, psta);
 972                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 973                 if (adapter->stapriv.asoc_sta_count == 1) {
 974                         /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
 975                         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 976                                 tgt_network->network.MacAddress);
 977                         if (pwlan) {
 978                                 pwlan->fixed = false;
 979                                 free_network_nolock(pmlmepriv, pwlan);
 980                         }
 981                         /*re-create ibss*/
 982                         pdev_network = &(adapter->registrypriv.dev_network);
 983                         pibss = adapter->registrypriv.dev_network.MacAddress;
 984                         memcpy(pdev_network, &tgt_network->network,
 985                                 r8712_get_wlan_bssid_ex_sz(&tgt_network->
 986                                                         network));
 987                         memcpy(&pdev_network->Ssid,
 988                                 &pmlmepriv->assoc_ssid,
 989                                 sizeof(struct ndis_802_11_ssid));
 990                         r8712_update_registrypriv_dev_network(adapter);
 991                         r8712_generate_random_ibss(pibss);
 992                         if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
 993                                 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
 994                                 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
 995                         }
 996                 }
 997         }
 998         spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
 999 }
1000
1001 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1002 {
1003         struct reportpwrstate_parm *preportpwrstate =
1004                          (struct reportpwrstate_parm *)pbuf;
1005
1006         preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1007         r8712_cpwm_int_hdl(adapter, preportpwrstate);
1008 }
1009
1010 /*      When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1011  *       the ADDBA req frame with start seq control = 0 to wifi client after
1012  *       the WPA handshake and the seqence number of following data packet
1013  *      will be 0. In this case, the Rx reorder sequence is not longer than 0
1014  *       and the WiFi client will drop the data with seq number 0.
1015  *      So, the 8712 firmware has to inform driver with receiving the
1016  *       ADDBA-Req frame so that the driver can reset the
1017  *      sequence value of Rx reorder control.
1018  */
1019 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1020 {
1021         struct  ADDBA_Req_Report_parm *pAddbareq_pram =
1022                          (struct ADDBA_Req_Report_parm *)pbuf;
1023         struct  sta_info *psta;
1024         struct  sta_priv *pstapriv = &adapter->stapriv;
1025         struct  recv_reorder_ctrl *precvreorder_ctrl = NULL;
1026
1027         psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1028         if (psta) {
1029                 precvreorder_ctrl =
1030                          &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1031                 /* set the indicate_seq to 0xffff so that the rx reorder
1032                  * can store any following data packet.
1033                  */
1034                 precvreorder_ctrl->indicate_seq = 0xffff;
1035         }
1036 }
1037
1038 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1039 {
1040         if (!adapter->securitypriv.wps_hw_pbc_pressed)
1041                 adapter->securitypriv.wps_hw_pbc_pressed = true;
1042 }
1043
1044 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1045 {
1046         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1047         struct sitesurvey_ctrl  *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1048         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1049         u64 current_tx_pkts;
1050         uint current_rx_pkts;
1051
1052         current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1053                           (psitesurveyctrl->last_tx_pkts);
1054         current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1055                           (psitesurveyctrl->last_rx_pkts);
1056         psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1057         psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1058         if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1059             (current_rx_pkts > pregistrypriv->busy_thresh))
1060                 psitesurveyctrl->traffic_busy = true;
1061         else
1062                 psitesurveyctrl->traffic_busy = false;
1063 }
1064
1065 void _r8712_join_timeout_handler(struct _adapter *adapter)
1066 {
1067         unsigned long irqL;
1068         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1069
1070         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1071                 return;
1072         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1073         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1074         pmlmepriv->to_join = false;
1075         if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1076                 r8712_os_indicate_disconnect(adapter);
1077                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1078         }
1079         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1080                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1081                                   adapter->registrypriv.smart_ps);
1082         }
1083         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1084 }
1085
1086 void r8712_scan_timeout_handler (struct _adapter *adapter)
1087 {
1088         unsigned long irqL;
1089         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1090
1091         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1092         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1093         pmlmepriv->to_join = false;     /* scan fail, so clear to_join flag */
1094         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1095 }
1096
1097 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1098 {
1099         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1100                 return;
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
1106 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1107 {
1108         r8712_wdg_wk_cmd(adapter);
1109 }
1110
1111 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1112 {
1113         struct list_head *phead;
1114         unsigned char *dst_ssid, *src_ssid;
1115         struct _adapter *adapter;
1116         struct  __queue *queue = NULL;
1117         struct wlan_network *pnetwork = NULL;
1118         struct wlan_network *pnetwork_max_rssi = NULL;
1119
1120         adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1121         queue = &pmlmepriv->scanned_queue;
1122         phead = &queue->queue;
1123         pmlmepriv->pscanned = phead->next;
1124         while (1) {
1125                 if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
1126                         if ((pmlmepriv->assoc_by_rssi) &&
1127                             (pnetwork_max_rssi != NULL)) {
1128                                 pnetwork = pnetwork_max_rssi;
1129                                 goto ask_for_joinbss;
1130                         }
1131                         return _FAIL;
1132                 }
1133                 pnetwork = container_of(pmlmepriv->pscanned,
1134                                         struct wlan_network, list);
1135                 if (pnetwork == NULL)
1136                         return _FAIL;
1137                 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1138                 if (pmlmepriv->assoc_by_bssid) {
1139                         dst_ssid = pnetwork->network.MacAddress;
1140                         src_ssid = pmlmepriv->assoc_bssid;
1141                         if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1142                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1143                                         if (is_same_network(&pmlmepriv->
1144                                             cur_network.network,
1145                                             &pnetwork->network)) {
1146                                                 _clr_fwstate_(pmlmepriv,
1147                                                         _FW_UNDER_LINKING);
1148                                                 /*r8712_indicate_connect again*/
1149                                                 r8712_indicate_connect(adapter);
1150                                                 return 2;
1151                                         }
1152                                         r8712_disassoc_cmd(adapter);
1153                                         r8712_ind_disconnect(adapter);
1154                                         r8712_free_assoc_resources(adapter);
1155                                 }
1156                                 goto ask_for_joinbss;
1157                         }
1158                 } else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1159                         goto ask_for_joinbss;
1160                 }
1161                 dst_ssid = pnetwork->network.Ssid.Ssid;
1162                 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1163                 if ((pnetwork->network.Ssid.SsidLength ==
1164                     pmlmepriv->assoc_ssid.SsidLength) &&
1165                     (!memcmp(dst_ssid, src_ssid,
1166                      pmlmepriv->assoc_ssid.SsidLength))) {
1167                         if (pmlmepriv->assoc_by_rssi) {
1168                                 /* if the ssid is the same, select the bss
1169                                  * which has the max rssi
1170                                  */
1171                                 if (pnetwork_max_rssi) {
1172                                         if (pnetwork->network.Rssi >
1173                                             pnetwork_max_rssi->network.Rssi)
1174                                                 pnetwork_max_rssi = pnetwork;
1175                                 } else {
1176                                         pnetwork_max_rssi = pnetwork;
1177                                 }
1178                         } else if (is_desired_network(adapter, pnetwork)) {
1179                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1180                                         r8712_disassoc_cmd(adapter);
1181                                         r8712_free_assoc_resources(adapter);
1182                                 }
1183                                 goto ask_for_joinbss;
1184                         }
1185                 }
1186         }
1187
1188 ask_for_joinbss:
1189         return r8712_joinbss_cmd(adapter, pnetwork);
1190 }
1191
1192 sint r8712_set_auth(struct _adapter *adapter,
1193                     struct security_priv *psecuritypriv)
1194 {
1195         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1196         struct cmd_obj *pcmd;
1197         struct setauth_parm *psetauthparm;
1198
1199         pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1200         if (!pcmd)
1201                 return _FAIL;
1202
1203         psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1204         if (!psetauthparm) {
1205                 kfree(pcmd);
1206                 return _FAIL;
1207         }
1208         psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1209         pcmd->cmdcode = _SetAuth_CMD_;
1210         pcmd->parmbuf = (unsigned char *)psetauthparm;
1211         pcmd->cmdsz = sizeof(struct setauth_parm);
1212         pcmd->rsp = NULL;
1213         pcmd->rspsz = 0;
1214         INIT_LIST_HEAD(&pcmd->list);
1215         r8712_enqueue_cmd(pcmdpriv, pcmd);
1216         return _SUCCESS;
1217 }
1218
1219 sint r8712_set_key(struct _adapter *adapter,
1220                    struct security_priv *psecuritypriv,
1221              sint keyid)
1222 {
1223         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1224         struct cmd_obj *pcmd;
1225         struct setkey_parm *psetkeyparm;
1226         u8 keylen;
1227         sint ret = _SUCCESS;
1228
1229         pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1230         if (!pcmd)
1231                 return _FAIL;
1232         psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1233         if (!psetkeyparm) {
1234                 ret = _FAIL;
1235                 goto err_free_cmd;
1236         }
1237         if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1238                 psetkeyparm->algorithm =
1239                          (u8)psecuritypriv->XGrpPrivacy;
1240         } else { /* WEP */
1241                 psetkeyparm->algorithm =
1242                          (u8)psecuritypriv->PrivacyAlgrthm;
1243         }
1244         psetkeyparm->keyid = (u8)keyid;
1245
1246         switch (psetkeyparm->algorithm) {
1247         case _WEP40_:
1248                 keylen = 5;
1249                 memcpy(psetkeyparm->key,
1250                         psecuritypriv->DefKey[keyid].skey, keylen);
1251                 break;
1252         case _WEP104_:
1253                 keylen = 13;
1254                 memcpy(psetkeyparm->key,
1255                         psecuritypriv->DefKey[keyid].skey, keylen);
1256                 break;
1257         case _TKIP_:
1258                 if (keyid < 1 || keyid > 2) {
1259                         ret = _FAIL;
1260                         goto err_free_parm;
1261                 }
1262                 keylen = 16;
1263                 memcpy(psetkeyparm->key,
1264                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1265                 psetkeyparm->grpkey = 1;
1266                 break;
1267         case _AES_:
1268                 if (keyid < 1 || keyid > 2) {
1269                         ret = _FAIL;
1270                         goto err_free_parm;
1271                 }
1272                 keylen = 16;
1273                 memcpy(psetkeyparm->key,
1274                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1275                 psetkeyparm->grpkey = 1;
1276                 break;
1277         default:
1278                 ret = _FAIL;
1279                 goto err_free_parm;
1280         }
1281         pcmd->cmdcode = _SetKey_CMD_;
1282         pcmd->parmbuf = (u8 *)psetkeyparm;
1283         pcmd->cmdsz =  (sizeof(struct setkey_parm));
1284         pcmd->rsp = NULL;
1285         pcmd->rspsz = 0;
1286         INIT_LIST_HEAD(&pcmd->list);
1287         r8712_enqueue_cmd(pcmdpriv, pcmd);
1288         return ret;
1289
1290 err_free_parm:
1291         kfree(psetkeyparm);
1292 err_free_cmd:
1293         kfree(pcmd);
1294         return ret;
1295 }
1296
1297 /* adjust IEs for r8712_joinbss_cmd in WMM */
1298 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1299                     uint in_len, uint initial_out_len)
1300 {
1301         unsigned int ielength = 0;
1302         unsigned int i, j;
1303
1304         i = 12; /* after the fixed IE */
1305         while (i < in_len) {
1306                 ielength = initial_out_len;
1307                 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1308                     in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1309                     in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1310                         /*WMM element ID and OUI*/
1311                         for (j = i; j < i + 9; j++) {
1312                                 out_ie[ielength] = in_ie[j];
1313                                 ielength++;
1314                         }
1315                         out_ie[initial_out_len + 1] = 0x07;
1316                         out_ie[initial_out_len + 6] = 0x00;
1317                         out_ie[initial_out_len + 8] = 0x00;
1318                         break;
1319                 }
1320                 i += (in_ie[i + 1] + 2); /* to the next IE element */
1321         }
1322         return ielength;
1323 }
1324
1325 /*
1326  * Ported from 8185: IsInPreAuthKeyList().
1327  *
1328  * Search by BSSID,
1329  * Return Value:
1330  *      -1              :if there is no pre-auth key in the  table
1331  *      >=0             :if there is pre-auth key, and   return the entry id
1332  */
1333 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1334 {
1335         struct security_priv *psecuritypriv = &Adapter->securitypriv;
1336         int i = 0;
1337
1338         do {
1339                 if (psecuritypriv->PMKIDList[i].bUsed &&
1340                    (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1341                             bssid, ETH_ALEN)))
1342                         break;
1343                 i++;
1344
1345         } while (i < NUM_PMKID_CACHE);
1346
1347         if (i == NUM_PMKID_CACHE) {
1348                 i = -1; /* Could not find. */
1349         } else {
1350                 ; /* There is one Pre-Authentication Key for the
1351                    * specific BSSID.
1352                    */
1353         }
1354         return i;
1355 }
1356
1357 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1358                      u8 *out_ie, uint in_len)
1359 {
1360         u8 authmode = 0, match;
1361         u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
1362         u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1363         uint ielength, cnt, remove_cnt;
1364         int iEntry;
1365         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1366         struct security_priv *psecuritypriv = &adapter->securitypriv;
1367         uint ndisauthmode = psecuritypriv->ndisauthtype;
1368         uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1369
1370         if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1371             (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1372                 authmode = _WPA_IE_ID_;
1373                 uncst_oui[0] = 0x0;
1374                 uncst_oui[1] = 0x50;
1375                 uncst_oui[2] = 0xf2;
1376         }
1377         if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1378             (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1379                 authmode = _WPA2_IE_ID_;
1380                 uncst_oui[0] = 0x0;
1381                 uncst_oui[1] = 0x0f;
1382                 uncst_oui[2] = 0xac;
1383         }
1384         switch (ndissecuritytype) {
1385         case Ndis802_11Encryption1Enabled:
1386         case Ndis802_11Encryption1KeyAbsent:
1387                 uncst_oui[3] = 0x1;
1388                 break;
1389         case Ndis802_11Encryption2Enabled:
1390         case Ndis802_11Encryption2KeyAbsent:
1391                 uncst_oui[3] = 0x2;
1392                 break;
1393         case Ndis802_11Encryption3Enabled:
1394         case Ndis802_11Encryption3KeyAbsent:
1395                 uncst_oui[3] = 0x4;
1396                 break;
1397         default:
1398                 break;
1399         }
1400         /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1401         cnt = 12;
1402         match = false;
1403         while (cnt < in_len) {
1404                 if (in_ie[cnt] == authmode) {
1405                         if ((authmode == _WPA_IE_ID_) &&
1406                             (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
1407                                 memcpy(&sec_ie[0], &in_ie[cnt],
1408                                         in_ie[cnt + 1] + 2);
1409                                 match = true;
1410                                 break;
1411                         }
1412                         if (authmode == _WPA2_IE_ID_) {
1413                                 memcpy(&sec_ie[0], &in_ie[cnt],
1414                                         in_ie[cnt + 1] + 2);
1415                                 match = true;
1416                                 break;
1417                         }
1418                         if (((authmode == _WPA_IE_ID_) &&
1419                              (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1420                              (authmode == _WPA2_IE_ID_))
1421                                 memcpy(&bkup_ie[0], &in_ie[cnt],
1422                                         in_ie[cnt + 1] + 2);
1423                 }
1424                 cnt += in_ie[cnt + 1] + 2; /*get next*/
1425         }
1426         /*restruct WPA IE or WPA2 IE in sec_ie[] */
1427         if (match) {
1428                 if (sec_ie[0] == _WPA_IE_ID_) {
1429                         /* parsing SSN IE to select required encryption
1430                          * algorithm, and set the bc/mc encryption algorithm
1431                          */
1432                         while (true) {
1433                                 /*check wpa_oui tag*/
1434                                 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1435                                         match = false;
1436                                         break;
1437                                 }
1438                                 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1439                                         /*IE Ver error*/
1440                                         match = false;
1441                                         break;
1442                                 }
1443                                 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1444                                         /* get bc/mc encryption type (group
1445                                          * key type)
1446                                          */
1447                                         switch (sec_ie[11]) {
1448                                         case 0x0: /*none*/
1449                                                 psecuritypriv->XGrpPrivacy =
1450                                                                 _NO_PRIVACY_;
1451                                                 break;
1452                                         case 0x1: /*WEP_40*/
1453                                                 psecuritypriv->XGrpPrivacy =
1454                                                                 _WEP40_;
1455                                                 break;
1456                                         case 0x2: /*TKIP*/
1457                                                 psecuritypriv->XGrpPrivacy =
1458                                                                 _TKIP_;
1459                                                 break;
1460                                         case 0x3: /*AESCCMP*/
1461                                         case 0x4:
1462                                                 psecuritypriv->XGrpPrivacy =
1463                                                                 _AES_;
1464                                                 break;
1465                                         case 0x5: /*WEP_104*/
1466                                                 psecuritypriv->XGrpPrivacy =
1467                                                                 _WEP104_;
1468                                                 break;
1469                                         }
1470                                 } else {
1471                                         match = false;
1472                                         break;
1473                                 }
1474                                 if (sec_ie[12] == 0x01) {
1475                                         /*check the unicast encryption type*/
1476                                         if (memcmp(&sec_ie[14],
1477                                             &uncst_oui[0], 4)) {
1478                                                 match = false;
1479                                                 break;
1480
1481                                         } /*else the uncst_oui is match*/
1482                                 } else { /*mixed mode, unicast_enc_type > 1*/
1483                                         /*select the uncst_oui and remove
1484                                          * the other uncst_oui
1485                                          */
1486                                         cnt = sec_ie[12];
1487                                         remove_cnt = (cnt - 1) * 4;
1488                                         sec_ie[12] = 0x01;
1489                                         memcpy(&sec_ie[14], &uncst_oui[0], 4);
1490                                         /*remove the other unicast suit*/
1491                                         memcpy(&sec_ie[18],
1492                                                 &sec_ie[18 + remove_cnt],
1493                                                 sec_ie[1] - 18 + 2 -
1494                                                 remove_cnt);
1495                                         sec_ie[1] = sec_ie[1] - remove_cnt;
1496                                 }
1497                                 break;
1498                         }
1499                 }
1500                 if (authmode == _WPA2_IE_ID_) {
1501                         /* parsing RSN IE to select required encryption
1502                          * algorithm, and set the bc/mc encryption algorithm
1503                          */
1504                         while (true) {
1505                                 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1506                                         /*IE Ver error*/
1507                                         match = false;
1508                                         break;
1509                                 }
1510                                 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1511                                         /*get bc/mc encryption type*/
1512                                         switch (sec_ie[7]) {
1513                                         case 0x1: /*WEP_40*/
1514                                                 psecuritypriv->XGrpPrivacy =
1515                                                                 _WEP40_;
1516                                                 break;
1517                                         case 0x2: /*TKIP*/
1518                                                 psecuritypriv->XGrpPrivacy =
1519                                                                 _TKIP_;
1520                                                 break;
1521                                         case 0x4: /*AESWRAP*/
1522                                                 psecuritypriv->XGrpPrivacy =
1523                                                                 _AES_;
1524                                                 break;
1525                                         case 0x5: /*WEP_104*/
1526                                                 psecuritypriv->XGrpPrivacy =
1527                                                                 _WEP104_;
1528                                                 break;
1529                                         default: /*one*/
1530                                                 psecuritypriv->XGrpPrivacy =
1531                                                                 _NO_PRIVACY_;
1532                                                 break;
1533                                         }
1534                                 } else {
1535                                         match = false;
1536                                         break;
1537                                 }
1538                                 if (sec_ie[8] == 0x01) {
1539                                         /*check the unicast encryption type*/
1540                                         if (memcmp(&sec_ie[10],
1541                                                      &uncst_oui[0], 4)) {
1542                                                 match = false;
1543                                                 break;
1544                                         } /*else the uncst_oui is match*/
1545                                 } else { /*mixed mode, unicast_enc_type > 1*/
1546                                         /*select the uncst_oui and remove the
1547                                          * other uncst_oui
1548                                          */
1549                                         cnt = sec_ie[8];
1550                                         remove_cnt = (cnt - 1) * 4;
1551                                         sec_ie[8] = 0x01;
1552                                         memcpy(&sec_ie[10], &uncst_oui[0], 4);
1553                                         /*remove the other unicast suit*/
1554                                         memcpy(&sec_ie[14],
1555                                                 &sec_ie[14 + remove_cnt],
1556                                                 (sec_ie[1] - 14 + 2 -
1557                                                 remove_cnt));
1558                                         sec_ie[1] = sec_ie[1] - remove_cnt;
1559                                 }
1560                                 break;
1561                         }
1562                 }
1563         }
1564         if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1565                 /*copy fixed ie*/
1566                 memcpy(out_ie, in_ie, 12);
1567                 ielength = 12;
1568                 /*copy RSN or SSN*/
1569                 if (match) {
1570                         memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
1571                         ielength += sec_ie[1] + 2;
1572                         if (authmode == _WPA2_IE_ID_) {
1573                                 /*the Pre-Authentication bit should be zero*/
1574                                 out_ie[ielength - 1] = 0;
1575                                 out_ie[ielength - 2] = 0;
1576                         }
1577                         r8712_report_sec_ie(adapter, authmode, sec_ie);
1578                 }
1579         } else {
1580                 /*copy fixed ie only*/
1581                 memcpy(out_ie, in_ie, 12);
1582                 ielength = 12;
1583                 if (psecuritypriv->wps_phase) {
1584                         memcpy(out_ie + ielength, psecuritypriv->wps_ie,
1585                                psecuritypriv->wps_ie_len);
1586                         ielength += psecuritypriv->wps_ie_len;
1587                 }
1588         }
1589         iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1590         if (iEntry < 0)
1591                 return ielength;
1592         if (authmode == _WPA2_IE_ID_) {
1593                 out_ie[ielength] = 1;
1594                 ielength++;
1595                 out_ie[ielength] = 0;   /*PMKID count = 0x0100*/
1596                 ielength++;
1597                 memcpy(&out_ie[ielength],
1598                         &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1599                 ielength += 16;
1600                 out_ie[13] += 18;/*PMKID length = 2+16*/
1601         }
1602         return ielength;
1603 }
1604
1605 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1606 {
1607         struct registry_priv *pregistrypriv = &adapter->registrypriv;
1608         struct eeprom_priv *peepriv = &adapter->eeprompriv;
1609         struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1610         u8 *myhwaddr = myid(peepriv);
1611
1612         memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1613         memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1614                 sizeof(struct ndis_802_11_ssid));
1615         pdev_network->Configuration.Length =
1616                          sizeof(struct NDIS_802_11_CONFIGURATION);
1617         pdev_network->Configuration.BeaconPeriod = 100;
1618         pdev_network->Configuration.FHConfig.Length = 0;
1619         pdev_network->Configuration.FHConfig.HopPattern = 0;
1620         pdev_network->Configuration.FHConfig.HopSet = 0;
1621         pdev_network->Configuration.FHConfig.DwellTime = 0;
1622 }
1623
1624 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1625 {
1626         int sz = 0;
1627         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1628         struct wlan_bssid_ex    *pdev_network = &pregistrypriv->dev_network;
1629         struct security_priv    *psecuritypriv = &adapter->securitypriv;
1630         struct wlan_network     *cur_network = &adapter->mlmepriv.cur_network;
1631
1632         pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1633                                             > 0 ? 1 : 0); /* adhoc no 802.1x */
1634         pdev_network->Rssi = 0;
1635         switch (pregistrypriv->wireless_mode) {
1636         case WIRELESS_11B:
1637                 pdev_network->NetworkTypeInUse = Ndis802_11DS;
1638                 break;
1639         case WIRELESS_11G:
1640         case WIRELESS_11BG:
1641                 pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
1642                 break;
1643         case WIRELESS_11A:
1644                 pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
1645                 break;
1646         default:
1647                 /* TODO */
1648                 break;
1649         }
1650         pdev_network->Configuration.DSConfig = pregistrypriv->channel;
1651         if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1652                 pdev_network->Configuration.ATIMWindow = 3;
1653         pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode;
1654         /* 1. Supported rates
1655          * 2. IE
1656          */
1657         sz = r8712_generate_ie(pregistrypriv);
1658         pdev_network->IELength = sz;
1659         pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
1660 }
1661
1662 /*the function is at passive_level*/
1663 void r8712_joinbss_reset(struct _adapter *padapter)
1664 {
1665         int i;
1666         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1667         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1668
1669         /* todo: if you want to do something io/reg/hw setting before join_bss,
1670          * please add code here
1671          */
1672         phtpriv->ampdu_enable = false;/*reset to disabled*/
1673         for (i = 0; i < 16; i++)
1674                 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1675         if (phtpriv->ht_option) {
1676                 /* validate  usb rx aggregation */
1677                 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1678         } else {
1679                 /* invalidate  usb rx aggregation */
1680                 /* TH=1 => means that invalidate usb rx aggregation */
1681                 r8712_write8(padapter, 0x102500D9, 1);
1682         }
1683 }
1684
1685 /*the function is >= passive_level*/
1686 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1687                                      u8 *out_ie, uint in_len, uint *pout_len)
1688 {
1689         u32 ielen, out_len;
1690         unsigned char *p;
1691         struct ieee80211_ht_cap ht_capie;
1692         unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1693         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1694         struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1695         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1696
1697         phtpriv->ht_option = 0;
1698         p = r8712_get_ie(in_ie + 12, _HT_CAPABILITY_IE_, &ielen, in_len - 12);
1699         if (p && (ielen > 0)) {
1700                 if (pqospriv->qos_option == 0) {
1701                         out_len = *pout_len;
1702                         r8712_set_ie(out_ie + out_len, _VENDOR_SPECIFIC_IE_,
1703                                      _WMM_IE_Length_, WMM_IE, pout_len);
1704                         pqospriv->qos_option = 1;
1705                 }
1706                 out_len = *pout_len;
1707                 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1708                 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH |
1709                                     IEEE80211_HT_CAP_SGI_20 |
1710                                     IEEE80211_HT_CAP_SGI_40 |
1711                                     IEEE80211_HT_CAP_TX_STBC |
1712                                     IEEE80211_HT_CAP_MAX_AMSDU |
1713                                     IEEE80211_HT_CAP_DSSSCCK40);
1714                 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1715                                 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1716                 r8712_set_ie(out_ie + out_len, _HT_CAPABILITY_IE_,
1717                              sizeof(struct ieee80211_ht_cap),
1718                              (unsigned char *)&ht_capie, pout_len);
1719                 phtpriv->ht_option = 1;
1720         }
1721         return phtpriv->ht_option;
1722 }
1723
1724 /* the function is > passive_level (in critical_section) */
1725 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1726 {
1727         u8 *p, max_ampdu_sz;
1728         int i;
1729         uint len;
1730         struct sta_info *bmc_sta, *psta;
1731         struct ieee80211_ht_cap *pht_capie;
1732         struct recv_reorder_ctrl *preorder_ctrl;
1733         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1734         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1735         struct registry_priv *pregistrypriv = &padapter->registrypriv;
1736         struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1737
1738         if (!phtpriv->ht_option)
1739                 return;
1740         /* maybe needs check if ap supports rx ampdu. */
1741         if (!phtpriv->ampdu_enable &&
1742             (pregistrypriv->ampdu_enable == 1))
1743                 phtpriv->ampdu_enable = true;
1744         /*check Max Rx A-MPDU Size*/
1745         len = 0;
1746         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1747                                 _HT_CAPABILITY_IE_,
1748                                 &len, ie_len -
1749                                 sizeof(struct NDIS_802_11_FIXED_IEs));
1750         if (p && len > 0) {
1751                 pht_capie = (struct ieee80211_ht_cap *)(p + 2);
1752                 max_ampdu_sz = (pht_capie->ampdu_params_info &
1753                                 IEEE80211_HT_CAP_AMPDU_FACTOR);
1754                 /* max_ampdu_sz (kbytes); */
1755                 max_ampdu_sz = 1 << (max_ampdu_sz + 3);
1756                 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1757         }
1758         /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1759          * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1760          * wstart_b(indicate_seq) to default value=0xffff
1761          * todo: check if AP can send A-MPDU packets
1762          */
1763         bmc_sta = r8712_get_bcmc_stainfo(padapter);
1764         if (bmc_sta) {
1765                 for (i = 0; i < 16; i++) {
1766                         preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1767                         preorder_ctrl->indicate_seq = 0xffff;
1768                         preorder_ctrl->wend_b = 0xffff;
1769                 }
1770         }
1771         psta = r8712_get_stainfo(&padapter->stapriv,
1772                                  pcur_network->network.MacAddress);
1773         if (psta) {
1774                 for (i = 0; i < 16; i++) {
1775                         preorder_ctrl = &psta->recvreorder_ctrl[i];
1776                         preorder_ctrl->indicate_seq = 0xffff;
1777                         preorder_ctrl->wend_b = 0xffff;
1778                 }
1779         }
1780         len = 0;
1781         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1782                    _HT_ADD_INFO_IE_, &len,
1783                    ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
1784 }
1785
1786 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1787 {
1788         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1789         struct ht_priv   *phtpriv = &pmlmepriv->htpriv;
1790
1791         if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
1792                 if (!phtpriv->baddbareq_issued[priority]) {
1793                         r8712_addbareq_cmd(padapter, (u8)priority);
1794                         phtpriv->baddbareq_issued[priority] = true;
1795                 }
1796         }
1797 }