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 <[email protected]>
  25  * Larry Finger <[email protected]>
  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         psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1047         if (psta) {
1048                 precvreorder_ctrl =
1049                          &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1050                 /* set the indicate_seq to 0xffff so that the rx reorder
1051                  * can store any following data packet.
1052                  */
1053                 precvreorder_ctrl->indicate_seq = 0xffff;
1054         }
1055 }
1056
1057 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1058 {
1059         if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1060                 adapter->securitypriv.wps_hw_pbc_pressed = true;
1061 }
1062
1063 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1064 {
1065         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1066         struct sitesurvey_ctrl  *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1067         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1068         u64 current_tx_pkts;
1069         uint current_rx_pkts;
1070
1071         current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1072                           (psitesurveyctrl->last_tx_pkts);
1073         current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1074                           (psitesurveyctrl->last_rx_pkts);
1075         psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1076         psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1077         if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1078             (current_rx_pkts > pregistrypriv->busy_thresh))
1079                 psitesurveyctrl->traffic_busy = true;
1080         else
1081                 psitesurveyctrl->traffic_busy = false;
1082 }
1083
1084 void _r8712_join_timeout_handler(struct _adapter *adapter)
1085 {
1086         unsigned long irqL;
1087         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1088
1089         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1090                 return;
1091         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1092         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1093         pmlmepriv->to_join = false;
1094         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1095                 r8712_os_indicate_disconnect(adapter);
1096                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1097         }
1098         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1099                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1100                                   adapter->registrypriv.smart_ps);
1101         }
1102         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1103 }
1104
1105 void r8712_scan_timeout_handler (struct _adapter *adapter)
1106 {
1107         unsigned long irqL;
1108         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1109
1110         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1111         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1112         pmlmepriv->to_join = false;     /* scan fail, so clear to_join flag */
1113         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1114 }
1115
1116 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1117 {
1118         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1119                 return;
1120         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1121                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1122                             adapter->registrypriv.smart_ps);
1123 }
1124
1125 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1126 {
1127         r8712_wdg_wk_cmd(adapter);
1128 }
1129
1130 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1131 {
1132         struct list_head *phead;
1133         unsigned char *dst_ssid, *src_ssid;
1134         struct _adapter *adapter;
1135         struct  __queue *queue = NULL;
1136         struct wlan_network *pnetwork = NULL;
1137         struct wlan_network *pnetwork_max_rssi = NULL;
1138
1139         adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1140         queue = &pmlmepriv->scanned_queue;
1141         phead = get_list_head(queue);
1142         pmlmepriv->pscanned = get_next(phead);
1143         while (1) {
1144                 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1145                         if ((pmlmepriv->assoc_by_rssi == true) &&
1146                             (pnetwork_max_rssi != NULL)) {
1147                                 pnetwork = pnetwork_max_rssi;
1148                                 goto ask_for_joinbss;
1149                         }
1150                         return _FAIL;
1151                 }
1152                 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1153                                           struct wlan_network, list);
1154                 if (pnetwork == NULL)
1155                         return _FAIL;
1156                 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1157                 if (pmlmepriv->assoc_by_bssid == true) {
1158                         dst_ssid = pnetwork->network.MacAddress;
1159                         src_ssid = pmlmepriv->assoc_bssid;
1160                         if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1161                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1162                                         if (is_same_network(&pmlmepriv->
1163                                             cur_network.network,
1164                                             &pnetwork->network)) {
1165                                                 _clr_fwstate_(pmlmepriv,
1166                                                         _FW_UNDER_LINKING);
1167                                                 /*r8712_indicate_connect again*/
1168                                                 r8712_indicate_connect(adapter);
1169                                                 return 2;
1170                                         }
1171                                         r8712_disassoc_cmd(adapter);
1172                                         r8712_ind_disconnect(adapter);
1173                                         r8712_free_assoc_resources(adapter);
1174                                 }
1175                                 goto ask_for_joinbss;
1176                         }
1177                 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1178                         goto ask_for_joinbss;
1179                 dst_ssid = pnetwork->network.Ssid.Ssid;
1180                 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1181                 if ((pnetwork->network.Ssid.SsidLength ==
1182                     pmlmepriv->assoc_ssid.SsidLength) &&
1183                     (!memcmp(dst_ssid, src_ssid,
1184                      pmlmepriv->assoc_ssid.SsidLength))) {
1185                         if (pmlmepriv->assoc_by_rssi == true) {
1186                                 /* if the ssid is the same, select the bss
1187                                  *  which has the max rssi*/
1188                                 if (pnetwork_max_rssi) {
1189                                         if (pnetwork->network.Rssi >
1190                                             pnetwork_max_rssi->network.Rssi)
1191                                                 pnetwork_max_rssi = pnetwork;
1192                                 } else
1193                                         pnetwork_max_rssi = pnetwork;
1194                         } else if (is_desired_network(adapter, pnetwork)) {
1195                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1196                                         r8712_disassoc_cmd(adapter);
1197                                         r8712_free_assoc_resources(adapter);
1198                                 }
1199                                 goto ask_for_joinbss;
1200                         }
1201                 }
1202         }
1203         return _FAIL;
1204 ask_for_joinbss:
1205         return r8712_joinbss_cmd(adapter, pnetwork);
1206 }
1207
1208 sint r8712_set_auth(struct _adapter *adapter,
1209                     struct security_priv *psecuritypriv)
1210 {
1211         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1212         struct cmd_obj *pcmd;
1213         struct setauth_parm *psetauthparm;
1214         sint ret = _SUCCESS;
1215
1216         pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1217         if (pcmd == NULL)
1218                 return _FAIL;
1219
1220         psetauthparm = (struct setauth_parm *)_malloc(
1221                         sizeof(struct setauth_parm));
1222         if (psetauthparm == NULL) {
1223                 kfree((unsigned char *)pcmd);
1224                 return _FAIL;
1225         }
1226         memset(psetauthparm, 0, sizeof(struct setauth_parm));
1227         psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1228         pcmd->cmdcode = _SetAuth_CMD_;
1229         pcmd->parmbuf = (unsigned char *)psetauthparm;
1230         pcmd->cmdsz = sizeof(struct setauth_parm);
1231         pcmd->rsp = NULL;
1232         pcmd->rspsz = 0;
1233         _init_listhead(&pcmd->list);
1234         r8712_enqueue_cmd(pcmdpriv, pcmd);
1235         return ret;
1236 }
1237
1238 sint r8712_set_key(struct _adapter *adapter,
1239                    struct security_priv *psecuritypriv,
1240              sint keyid)
1241 {
1242         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1243         struct cmd_obj *pcmd;
1244         struct setkey_parm *psetkeyparm;
1245         u8 keylen;
1246
1247         pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1248         if (pcmd == NULL)
1249                 return _FAIL;
1250         psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1251         if (psetkeyparm == NULL) {
1252                 kfree((unsigned char *)pcmd);
1253                 return _FAIL;
1254         }
1255         memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1256         if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1257                 psetkeyparm->algorithm =
1258                          (u8)psecuritypriv->XGrpPrivacy;
1259         } else { /* WEP */
1260                 psetkeyparm->algorithm =
1261                          (u8)psecuritypriv->PrivacyAlgrthm;
1262         }
1263         psetkeyparm->keyid = (u8)keyid;
1264
1265         switch (psetkeyparm->algorithm) {
1266         case _WEP40_:
1267                 keylen = 5;
1268                 memcpy(psetkeyparm->key,
1269                         psecuritypriv->DefKey[keyid].skey, keylen);
1270                 break;
1271         case _WEP104_:
1272                 keylen = 13;
1273                 memcpy(psetkeyparm->key,
1274                         psecuritypriv->DefKey[keyid].skey, keylen);
1275                 break;
1276         case _TKIP_:
1277                 if (keyid < 1 || keyid > 2)
1278                         return _FAIL;
1279                 keylen = 16;
1280                 memcpy(psetkeyparm->key,
1281                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1282                 psetkeyparm->grpkey = 1;
1283                 break;
1284         case _AES_:
1285                 if (keyid < 1 || keyid > 2)
1286                         return _FAIL;
1287                 keylen = 16;
1288                 memcpy(psetkeyparm->key,
1289                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1290                 psetkeyparm->grpkey = 1;
1291                 break;
1292         default:
1293                 return _FAIL;
1294         }
1295         pcmd->cmdcode = _SetKey_CMD_;
1296         pcmd->parmbuf = (u8 *)psetkeyparm;
1297         pcmd->cmdsz =  (sizeof(struct setkey_parm));
1298         pcmd->rsp = NULL;
1299         pcmd->rspsz = 0;
1300         _init_listhead(&pcmd->list);
1301         r8712_enqueue_cmd(pcmdpriv, pcmd);
1302         return _SUCCESS;
1303 }
1304
1305 /* adjust IEs for r8712_joinbss_cmd in WMM */
1306 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1307                     uint in_len, uint initial_out_len)
1308 {
1309         unsigned int ielength = 0;
1310         unsigned int i, j;
1311
1312         i = 12; /* after the fixed IE */
1313         while (i < in_len) {
1314                 ielength = initial_out_len;
1315                 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1316                     in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1317                     in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1318                         /*WMM element ID and OUI*/
1319                         for (j = i; j < i + 9; j++) {
1320                                 out_ie[ielength] = in_ie[j];
1321                                 ielength++;
1322                         }
1323                         out_ie[initial_out_len + 1] = 0x07;
1324                         out_ie[initial_out_len + 6] = 0x00;
1325                         out_ie[initial_out_len + 8] = 0x00;
1326                         break;
1327                 }
1328                 i += (in_ie[i + 1] + 2); /* to the next IE element */
1329         }
1330         return ielength;
1331 }
1332
1333 /*
1334  * Ported from 8185: IsInPreAuthKeyList().
1335  *
1336  * Search by BSSID,
1337  * Return Value:
1338  *      -1              :if there is no pre-auth key in the  table
1339  *      >=0             :if there is pre-auth key, and   return the entry id
1340  */
1341 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1342 {
1343         struct security_priv *psecuritypriv = &Adapter->securitypriv;
1344         int i = 0;
1345
1346         do {
1347                 if (psecuritypriv->PMKIDList[i].bUsed &&
1348                    (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1349                             bssid, ETH_ALEN)))
1350                         break;
1351                 else
1352                         i++;
1353         } while (i < NUM_PMKID_CACHE);
1354
1355         if (i == NUM_PMKID_CACHE) {
1356                 i = -1; /* Could not find. */
1357         } else {
1358                 ; /* There is one Pre-Authentication Key for the
1359                    * specific BSSID. */
1360         }
1361         return i;
1362 }
1363
1364 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1365                      u8 *out_ie, uint in_len)
1366 {
1367         u8 authmode = 0, securitytype, match;
1368         u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1369         u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1370         uint ielength, cnt, remove_cnt;
1371         int iEntry;
1372         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1373         struct security_priv *psecuritypriv = &adapter->securitypriv;
1374         uint ndisauthmode = psecuritypriv->ndisauthtype;
1375         uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1376
1377         if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1378             (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1379                 authmode = _WPA_IE_ID_;
1380                 uncst_oui[0] = 0x0;
1381                 uncst_oui[1] = 0x50;
1382                 uncst_oui[2] = 0xf2;
1383         }
1384         if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1385             (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1386                 authmode = _WPA2_IE_ID_;
1387                 uncst_oui[0] = 0x0;
1388                 uncst_oui[1] = 0x0f;
1389                 uncst_oui[2] = 0xac;
1390         }
1391         switch (ndissecuritytype) {
1392         case Ndis802_11Encryption1Enabled:
1393         case Ndis802_11Encryption1KeyAbsent:
1394                 securitytype = _WEP40_;
1395                 uncst_oui[3] = 0x1;
1396                 break;
1397         case Ndis802_11Encryption2Enabled:
1398         case Ndis802_11Encryption2KeyAbsent:
1399                 securitytype = _TKIP_;
1400                 uncst_oui[3] = 0x2;
1401                 break;
1402         case Ndis802_11Encryption3Enabled:
1403         case Ndis802_11Encryption3KeyAbsent:
1404                 securitytype = _AES_;
1405                 uncst_oui[3] = 0x4;
1406                 break;
1407         default:
1408                 securitytype = _NO_PRIVACY_;
1409                 break;
1410         }
1411         /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1412         cnt = 12;
1413         match = false;
1414         while (cnt < in_len) {
1415                 if (in_ie[cnt] == authmode) {
1416                         if ((authmode == _WPA_IE_ID_) &&
1417                             (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1418                                 memcpy(&sec_ie[0], &in_ie[cnt],
1419                                         in_ie[cnt + 1] + 2);
1420                                 match = true;
1421                                 break;
1422                         }
1423                         if (authmode == _WPA2_IE_ID_) {
1424                                 memcpy(&sec_ie[0], &in_ie[cnt],
1425                                         in_ie[cnt + 1] + 2);
1426                                 match = true;
1427                                 break;
1428                         }
1429                         if (((authmode == _WPA_IE_ID_) &&
1430                              (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1431                              (authmode == _WPA2_IE_ID_))
1432                                 memcpy(&bkup_ie[0], &in_ie[cnt],
1433                                         in_ie[cnt + 1] + 2);
1434                 }
1435                 cnt += in_ie[cnt+1] + 2; /*get next*/
1436         }
1437         /*restruct WPA IE or WPA2 IE in sec_ie[] */
1438         if (match == true) {
1439                 if (sec_ie[0] == _WPA_IE_ID_) {
1440                         /* parsing SSN IE to select required encryption
1441                          * algorithm, and set the bc/mc encryption algorithm */
1442                         while (true) {
1443                                 /*check wpa_oui tag*/
1444                                 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1445                                         match = false;
1446                                         break;
1447                                 }
1448                                 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1449                                         /*IE Ver error*/
1450                                         match = false;
1451                                         break;
1452                                 }
1453                                 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1454                                         /* get bc/mc encryption type (group
1455                                          * key type)*/
1456                                         switch (sec_ie[11]) {
1457                                         case 0x0: /*none*/
1458                                                 psecuritypriv->XGrpPrivacy =
1459                                                                 _NO_PRIVACY_;
1460                                                 break;
1461                                         case 0x1: /*WEP_40*/
1462                                                 psecuritypriv->XGrpPrivacy =
1463                                                                 _WEP40_;
1464                                                 break;
1465                                         case 0x2: /*TKIP*/
1466                                                 psecuritypriv->XGrpPrivacy =
1467                                                                 _TKIP_;
1468                                                 break;
1469                                         case 0x3: /*AESCCMP*/
1470                                         case 0x4:
1471                                                 psecuritypriv->XGrpPrivacy =
1472                                                                 _AES_;
1473                                                 break;
1474                                         case 0x5: /*WEP_104*/
1475                                                 psecuritypriv->XGrpPrivacy =
1476                                                                 _WEP104_;
1477                                                 break;
1478                                         }
1479                                 } else {
1480                                         match = false;
1481                                         break;
1482                                 }
1483                                 if (sec_ie[12] == 0x01) {
1484                                         /*check the unicast encryption type*/
1485                                         if (memcmp(&sec_ie[14],
1486                                             &uncst_oui[0], 4)) {
1487                                                 match = false;
1488                                                 break;
1489
1490                                         } /*else the uncst_oui is match*/
1491                                 } else { /*mixed mode, unicast_enc_type > 1*/
1492                                         /*select the uncst_oui and remove
1493                                          * the other uncst_oui*/
1494                                         cnt = sec_ie[12];
1495                                         remove_cnt = (cnt-1) * 4;
1496                                         sec_ie[12] = 0x01;
1497                                         memcpy(&sec_ie[14], &uncst_oui[0], 4);
1498                                         /*remove the other unicast suit*/
1499                                         memcpy(&sec_ie[18],
1500                                                 &sec_ie[18 + remove_cnt],
1501                                                 sec_ie[1] - 18 + 2 -
1502                                                 remove_cnt);
1503                                         sec_ie[1] = sec_ie[1] - remove_cnt;
1504                                 }
1505                                 break;
1506                         }
1507                 }
1508                 if (authmode == _WPA2_IE_ID_) {
1509                         /* parsing RSN IE to select required encryption
1510                          * algorithm, and set the bc/mc encryption algorithm */
1511                         while (true) {
1512                                 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1513                                         /*IE Ver error*/
1514                                         match = false;
1515                                         break;
1516                                 }
1517                                 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1518                                         /*get bc/mc encryption type*/
1519                                         switch (sec_ie[7]) {
1520                                         case 0x1: /*WEP_40*/
1521                                                 psecuritypriv->XGrpPrivacy =
1522                                                                 _WEP40_;
1523                                                 break;
1524                                         case 0x2: /*TKIP*/
1525                                                 psecuritypriv->XGrpPrivacy =
1526                                                                 _TKIP_;
1527                                                 break;
1528                                         case 0x4: /*AESWRAP*/
1529                                                 psecuritypriv->XGrpPrivacy =
1530                                                                 _AES_;
1531                                                 break;
1532                                         case 0x5: /*WEP_104*/
1533                                                 psecuritypriv->XGrpPrivacy =
1534                                                                 _WEP104_;
1535                                                 break;
1536                                         default: /*one*/
1537                                                 psecuritypriv->XGrpPrivacy =
1538                                                                 _NO_PRIVACY_;
1539                                                 break;
1540                                         }
1541                                 } else {
1542                                         match = false;
1543                                         break;
1544                                 }
1545                                 if (sec_ie[8] == 0x01) {
1546                                         /*check the unicast encryption type*/
1547                                         if (memcmp(&sec_ie[10],
1548                                                      &uncst_oui[0], 4)) {
1549                                                 match = false;
1550                                                 break;
1551                                         } /*else the uncst_oui is match*/
1552                                 } else { /*mixed mode, unicast_enc_type > 1*/
1553                                         /*select the uncst_oui and remove the
1554                                          * other uncst_oui*/
1555                                         cnt = sec_ie[8];
1556                                         remove_cnt = (cnt-1)*4;
1557                                         sec_ie[8] = 0x01;
1558                                         memcpy(&sec_ie[10], &uncst_oui[0], 4);
1559                                         /*remove the other unicast suit*/
1560                                         memcpy(&sec_ie[14],
1561                                                 &sec_ie[14 + remove_cnt],
1562                                                 (sec_ie[1] - 14 + 2 -
1563                                                 remove_cnt));
1564                                         sec_ie[1] = sec_ie[1]-remove_cnt;
1565                                 }
1566                                 break;
1567                         }
1568                 }
1569         }
1570         if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1571                 /*copy fixed ie*/
1572                 memcpy(out_ie, in_ie, 12);
1573                 ielength = 12;
1574                 /*copy RSN or SSN*/
1575                 if (match == true) {
1576                         memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1577                         ielength += sec_ie[1] + 2;
1578                         if (authmode == _WPA2_IE_ID_) {
1579                                 /*the Pre-Authentication bit should be zero*/
1580                                 out_ie[ielength - 1] = 0;
1581                                 out_ie[ielength - 2] = 0;
1582                         }
1583                         r8712_report_sec_ie(adapter, authmode, sec_ie);
1584                 }
1585         } else {
1586                 /*copy fixed ie only*/
1587                 memcpy(out_ie, in_ie, 12);
1588                 ielength = 12;
1589                 if (psecuritypriv->wps_phase == true) {
1590                         memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1591                                 psecuritypriv->wps_ie_len);
1592                         ielength += psecuritypriv->wps_ie_len;
1593                 }
1594         }
1595         iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1596         if (iEntry < 0)
1597                 return ielength;
1598         else {
1599                 if (authmode == _WPA2_IE_ID_) {
1600                         out_ie[ielength] = 1;
1601                         ielength++;
1602                         out_ie[ielength] = 0;   /*PMKID count = 0x0100*/
1603                         ielength++;
1604                         memcpy(&out_ie[ielength],
1605                                 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1606                         ielength += 16;
1607                         out_ie[13] += 18;/*PMKID length = 2+16*/
1608                 }
1609         }
1610         return ielength;
1611 }
1612
1613 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1614 {
1615         struct registry_priv *pregistrypriv = &adapter->registrypriv;
1616         struct eeprom_priv *peepriv = &adapter->eeprompriv;
1617         struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1618         u8 *myhwaddr = myid(peepriv);
1619
1620         memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1621         memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1622                 sizeof(struct ndis_802_11_ssid));
1623         pdev_network->Configuration.Length =
1624                          sizeof(struct NDIS_802_11_CONFIGURATION);
1625         pdev_network->Configuration.BeaconPeriod = 100;
1626         pdev_network->Configuration.FHConfig.Length = 0;
1627         pdev_network->Configuration.FHConfig.HopPattern = 0;
1628         pdev_network->Configuration.FHConfig.HopSet = 0;
1629         pdev_network->Configuration.FHConfig.DwellTime = 0;
1630 }
1631
1632 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1633 {
1634         int sz = 0;
1635         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1636         struct wlan_bssid_ex    *pdev_network = &pregistrypriv->dev_network;
1637         struct security_priv    *psecuritypriv = &adapter->securitypriv;
1638         struct wlan_network     *cur_network = &adapter->mlmepriv.cur_network;
1639
1640         pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1641                                             > 0 ? 1 : 0); /* adhoc no 802.1x */
1642         pdev_network->Rssi = 0;
1643         switch (pregistrypriv->wireless_mode) {
1644         case WIRELESS_11B:
1645                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1646                 break;
1647         case WIRELESS_11G:
1648         case WIRELESS_11BG:
1649                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1650                 break;
1651         case WIRELESS_11A:
1652                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1653                 break;
1654         default:
1655                 /* TODO */
1656                 break;
1657         }
1658         pdev_network->Configuration.DSConfig = cpu_to_le32(
1659                                                pregistrypriv->channel);
1660         if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1661                 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1662         pdev_network->InfrastructureMode = cpu_to_le32(
1663                                 cur_network->network.InfrastructureMode);
1664         /* 1. Supported rates
1665          * 2. IE
1666          */
1667         sz = r8712_generate_ie(pregistrypriv);
1668         pdev_network->IELength = sz;
1669         pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1670                               (struct ndis_wlan_bssid_ex *)pdev_network);
1671 }
1672
1673 /*the function is at passive_level*/
1674 void r8712_joinbss_reset(struct _adapter *padapter)
1675 {
1676         int i;
1677         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1678         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1679
1680         /* todo: if you want to do something io/reg/hw setting before join_bss,
1681          * please add code here */
1682         phtpriv->ampdu_enable = false;/*reset to disabled*/
1683         for (i = 0; i < 16; i++)
1684                 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1685         if (phtpriv->ht_option) {
1686                 /* validate  usb rx aggregation */
1687                 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1688         } else {
1689                 /* invalidate  usb rx aggregation */
1690                 /* TH=1 => means that invalidate usb rx aggregation */
1691                 r8712_write8(padapter, 0x102500D9, 1);
1692         }
1693 }
1694
1695 /*the function is >= passive_level*/
1696 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1697                                      u8 *out_ie, uint in_len, uint *pout_len)
1698 {
1699         u32 ielen, out_len;
1700         unsigned char *p, *pframe;
1701         struct ieee80211_ht_cap ht_capie;
1702         unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1703         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1704         struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1705         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1706
1707         phtpriv->ht_option = 0;
1708         p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1709         if (p && (ielen > 0)) {
1710                 if (pqospriv->qos_option == 0) {
1711                         out_len = *pout_len;
1712                         pframe = r8712_set_ie(out_ie+out_len,
1713                                               _VENDOR_SPECIFIC_IE_,
1714                                               _WMM_IE_Length_,
1715                                                WMM_IE, pout_len);
1716                         pqospriv->qos_option = 1;
1717                 }
1718                 out_len = *pout_len;
1719                 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1720                 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1721                                     IEEE80211_HT_CAP_SGI_20 |
1722                                     IEEE80211_HT_CAP_SGI_40 |
1723                                     IEEE80211_HT_CAP_TX_STBC |
1724                                     IEEE80211_HT_CAP_MAX_AMSDU |
1725                                     IEEE80211_HT_CAP_DSSSCCK40;
1726                 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1727                                 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1728                 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1729                                 sizeof(struct ieee80211_ht_cap),
1730                                 (unsigned char *)&ht_capie, pout_len);
1731                 phtpriv->ht_option = 1;
1732         }
1733         return phtpriv->ht_option;
1734 }
1735
1736 /* the function is > passive_level (in critical_section) */
1737 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1738 {
1739         u8 *p, max_ampdu_sz;
1740         int i, len;
1741         struct sta_info *bmc_sta, *psta;
1742         struct ieee80211_ht_cap *pht_capie;
1743         struct ieee80211_ht_addt_info *pht_addtinfo;
1744         struct recv_reorder_ctrl *preorder_ctrl;
1745         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1746         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1747         struct registry_priv *pregistrypriv = &padapter->registrypriv;
1748         struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1749
1750         if (!phtpriv->ht_option)
1751                 return;
1752         /* maybe needs check if ap supports rx ampdu. */
1753         if ((phtpriv->ampdu_enable == false) &&
1754             (pregistrypriv->ampdu_enable == 1))
1755                 phtpriv->ampdu_enable = true;
1756         /*check Max Rx A-MPDU Size*/
1757         len = 0;
1758         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1759                                 _HT_CAPABILITY_IE_,
1760                                 &len, ie_len -
1761                                 sizeof(struct NDIS_802_11_FIXED_IEs));
1762         if (p && len > 0) {
1763                 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1764                 max_ampdu_sz = (pht_capie->ampdu_params_info &
1765                                 IEEE80211_HT_CAP_AMPDU_FACTOR);
1766                 /* max_ampdu_sz (kbytes); */
1767                 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1768                 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1769         }
1770         /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1771          * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1772          * wstart_b(indicate_seq) to default value=0xffff
1773          * todo: check if AP can send A-MPDU packets
1774          */
1775         bmc_sta = r8712_get_bcmc_stainfo(padapter);
1776         if (bmc_sta) {
1777                 for (i = 0; i < 16; i++) {
1778                         preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1779                         preorder_ctrl->indicate_seq = 0xffff;
1780                         preorder_ctrl->wend_b = 0xffff;
1781                 }
1782         }
1783         psta = r8712_get_stainfo(&padapter->stapriv,
1784                                  pcur_network->network.MacAddress);
1785         if (psta) {
1786                 for (i = 0; i < 16; i++) {
1787                         preorder_ctrl = &psta->recvreorder_ctrl[i];
1788                         preorder_ctrl->indicate_seq = 0xffff;
1789                         preorder_ctrl->wend_b = 0xffff;
1790                 }
1791         }
1792         len = 0;
1793         p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1794                    _HT_ADD_INFO_IE_, &len,
1795                    ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1796         if (p && len > 0)
1797                 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1798 }
1799
1800 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1801 {
1802         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1803         struct ht_priv   *phtpriv = &pmlmepriv->htpriv;
1804
1805         if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1806                 if (phtpriv->baddbareq_issued[priority] == false) {
1807                         r8712_addbareq_cmd(padapter, (u8)priority);
1808                         phtpriv->baddbareq_issued[priority] = true;
1809                 }
1810         }
1811 }