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(MAX_BSS_CNT * (sizeof(struct wlan_network)),
  66                        GFP_ATOMIC);
  67         if (pbuf == NULL)
  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         struct list_head *plist = NULL;
  91
  92         if (list_empty(&free_queue->queue))
  93                 return NULL;
  94         spin_lock_irqsave(&free_queue->lock, irqL);
  95         plist = free_queue->queue.next;
  96         pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
  97         list_del_init(&pnetwork->list);
  98         pnetwork->last_scanned = jiffies;
  99         pmlmepriv->num_of_scanned++;
 100         spin_unlock_irqrestore(&free_queue->lock, irqL);
 101         return pnetwork;
 102 }
 103
 104 static void _free_network(struct mlme_priv *pmlmepriv,
 105                           struct wlan_network *pnetwork)
 106 {
 107         u32 curr_time, delta_time;
 108         unsigned long irqL;
 109         struct  __queue *free_queue = &(pmlmepriv->free_bss_pool);
 110
 111         if (pnetwork == NULL)
 112                 return;
 113         if (pnetwork->fixed == true)
 114                 return;
 115         curr_time = jiffies;
 116         delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
 117         if (delta_time < SCANQUEUE_LIFETIME)
 118                 return;
 119         spin_lock_irqsave(&free_queue->lock, irqL);
 120         list_del_init(&pnetwork->list);
 121         list_add_tail(&pnetwork->list, &free_queue->queue);
 122         pmlmepriv->num_of_scanned--;
 123         spin_unlock_irqrestore(&free_queue->lock, irqL);
 124 }
 125
 126 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
 127                           struct wlan_network *pnetwork)
 128 {
 129         struct  __queue *free_queue = &pmlmepriv->free_bss_pool;
 130
 131         if (pnetwork == NULL)
 132                 return;
 133         if (pnetwork->fixed == true)
 134                 return;
 135         list_del_init(&pnetwork->list);
 136         list_add_tail(&pnetwork->list, &free_queue->queue);
 137         pmlmepriv->num_of_scanned--;
 138 }
 139
 140
 141 /*
 142         return the wlan_network with the matching addr
 143         Shall be called under atomic context...
 144         to avoid possible racing condition...
 145 */
 146 static struct wlan_network *_r8712_find_network(struct  __queue *scanned_queue,
 147                                          u8 *addr)
 148 {
 149         unsigned long irqL;
 150         struct list_head *phead, *plist;
 151         struct wlan_network *pnetwork = NULL;
 152
 153         if (is_zero_ether_addr(addr))
 154                 return NULL;
 155         spin_lock_irqsave(&scanned_queue->lock, irqL);
 156         phead = &scanned_queue->queue;
 157         plist = phead->next;
 158         while (plist != phead) {
 159                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 160                 plist = plist->next;
 161                 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
 162                         break;
 163         }
 164         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 165         return pnetwork;
 166 }
 167
 168 static void _free_network_queue(struct _adapter *padapter)
 169 {
 170         unsigned long irqL;
 171         struct list_head *phead, *plist;
 172         struct wlan_network *pnetwork;
 173         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 174         struct  __queue *scanned_queue = &pmlmepriv->scanned_queue;
 175
 176         spin_lock_irqsave(&scanned_queue->lock, irqL);
 177         phead = &scanned_queue->queue;
 178         plist = phead->next;
 179         while (end_of_queue_search(phead, plist) == false) {
 180                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 181                 plist = plist->next;
 182                 _free_network(pmlmepriv, pnetwork);
 183         }
 184         spin_unlock_irqrestore(&scanned_queue->lock, irqL);
 185 }
 186
 187 sint r8712_if_up(struct _adapter *padapter)
 188 {
 189         sint res;
 190
 191         if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
 192             (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
 193                 res = false;
 194         } else
 195                 res = true;
 196         return res;
 197 }
 198
 199 void r8712_generate_random_ibss(u8 *pibss)
 200 {
 201         u32 curtime = jiffies;
 202
 203         pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
 204         pibss[1] = 0x11;
 205         pibss[2] = 0x87;
 206         pibss[3] = (u8)(curtime & 0xff);
 207         pibss[4] = (u8)((curtime>>8) & 0xff);
 208         pibss[5] = (u8)((curtime>>16) & 0xff);
 209 }
 210
 211 uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
 212 {
 213         return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
 214 }
 215
 216 u8 *r8712_get_capability_from_ie(u8 *ie)
 217 {
 218         return ie + 8 + 2;
 219 }
 220
 221 int r8712_init_mlme_priv(struct _adapter *padapter)
 222 {
 223         return _init_mlme_priv(padapter);
 224 }
 225
 226 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
 227 {
 228         kfree(pmlmepriv->free_bss_buf);
 229 }
 230
 231 static struct   wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
 232 {
 233         return _r8712_alloc_network(pmlmepriv);
 234 }
 235
 236 static void free_network_nolock(struct mlme_priv *pmlmepriv,
 237                          struct wlan_network *pnetwork)
 238 {
 239         _free_network_nolock(pmlmepriv, pnetwork);
 240 }
 241
 242 void r8712_free_network_queue(struct _adapter *dev)
 243 {
 244         _free_network_queue(dev);
 245 }
 246
 247 /*
 248         return the wlan_network with the matching addr
 249
 250         Shall be called under atomic context...
 251         to avoid possible racing condition...
 252 */
 253 static struct wlan_network *r8712_find_network(struct  __queue *scanned_queue,
 254                                                u8 *addr)
 255 {
 256         struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
 257                                                             addr);
 258
 259         return pnetwork;
 260 }
 261
 262 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
 263 {
 264         int ret = true;
 265         struct security_priv *psecuritypriv = &adapter->securitypriv;
 266
 267         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 268                     (pnetwork->network.Privacy == 0))
 269                 ret = false;
 270         else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
 271                  (pnetwork->network.Privacy == 1))
 272                 ret = false;
 273         else
 274                 ret = true;
 275         return ret;
 276
 277 }
 278
 279 static int is_same_network(struct wlan_bssid_ex *src,
 280                            struct wlan_bssid_ex *dst)
 281 {
 282          u16 s_cap, d_cap;
 283
 284         memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
 285         memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
 286         return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
 287                         (src->Configuration.DSConfig ==
 288                         dst->Configuration.DSConfig) &&
 289                         ((!memcmp(src->MacAddress, dst->MacAddress,
 290                         ETH_ALEN))) &&
 291                         ((!memcmp(src->Ssid.Ssid,
 292                           dst->Ssid.Ssid,
 293                           src->Ssid.SsidLength))) &&
 294                         ((s_cap & WLAN_CAPABILITY_IBSS) ==
 295                         (d_cap & WLAN_CAPABILITY_IBSS)) &&
 296                         ((s_cap & WLAN_CAPABILITY_BSS) ==
 297                         (d_cap & WLAN_CAPABILITY_BSS));
 298
 299 }
 300
 301 struct  wlan_network *r8712_get_oldest_wlan_network(
 302                                 struct  __queue *scanned_queue)
 303 {
 304         struct list_head *plist, *phead;
 305         struct  wlan_network    *pwlan = NULL;
 306         struct  wlan_network    *oldest = NULL;
 307
 308         phead = &scanned_queue->queue;
 309         plist = phead->next;
 310         while (1) {
 311                 if (end_of_queue_search(phead, plist) ==  true)
 312                         break;
 313                 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
 314                 if (pwlan->fixed != true) {
 315                         if (oldest == NULL ||
 316                             time_after((unsigned long)oldest->last_scanned,
 317                             (unsigned long)pwlan->last_scanned))
 318                                 oldest = pwlan;
 319                 }
 320                 plist = plist->next;
 321         }
 322         return oldest;
 323 }
 324
 325 static void update_network(struct wlan_bssid_ex *dst,
 326                            struct wlan_bssid_ex *src,
 327                            struct _adapter *padapter)
 328 {
 329         u32 last_evm = 0, tmpVal;
 330
 331         if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
 332             is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
 333                 if (padapter->recvpriv.signal_qual_data.total_num++ >=
 334                     PHY_LINKQUALITY_SLID_WIN_MAX) {
 335                         padapter->recvpriv.signal_qual_data.total_num =
 336                                    PHY_LINKQUALITY_SLID_WIN_MAX;
 337                         last_evm = padapter->recvpriv.signal_qual_data.
 338                                    elements[padapter->recvpriv.
 339                                    signal_qual_data.index];
 340                         padapter->recvpriv.signal_qual_data.total_val -=
 341                                  last_evm;
 342                 }
 343                 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
 344
 345                 padapter->recvpriv.signal_qual_data.
 346                           elements[padapter->recvpriv.signal_qual_data.
 347                           index++] = src->Rssi;
 348                 if (padapter->recvpriv.signal_qual_data.index >=
 349                     PHY_LINKQUALITY_SLID_WIN_MAX)
 350                         padapter->recvpriv.signal_qual_data.index = 0;
 351                 /* <1> Showed on UI for user, in percentage. */
 352                 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
 353                          padapter->recvpriv.signal_qual_data.total_num;
 354                 padapter->recvpriv.signal = (u8)tmpVal;
 355
 356                 src->Rssi = padapter->recvpriv.signal;
 357         } else
 358                 src->Rssi = (src->Rssi + dst->Rssi) / 2;
 359         memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
 360 }
 361
 362 static void update_current_network(struct _adapter *adapter,
 363                                    struct wlan_bssid_ex *pnetwork)
 364 {
 365         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 366
 367         if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
 368                 update_network(&(pmlmepriv->cur_network.network),
 369                                pnetwork, adapter);
 370                 r8712_update_protection(adapter,
 371                                (pmlmepriv->cur_network.network.IEs) +
 372                                sizeof(struct NDIS_802_11_FIXED_IEs),
 373                                pmlmepriv->cur_network.network.IELength);
 374         }
 375 }
 376
 377 /*
 378 Caller must hold pmlmepriv->lock first.
 379 */
 380 static void update_scanned_network(struct _adapter *adapter,
 381                             struct wlan_bssid_ex *target)
 382 {
 383         struct list_head *plist, *phead;
 384
 385         u32 bssid_ex_sz;
 386         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 387         struct  __queue *queue = &pmlmepriv->scanned_queue;
 388         struct wlan_network *pnetwork = NULL;
 389         struct wlan_network *oldest = NULL;
 390
 391         phead = &queue->queue;
 392         plist = phead->next;
 393
 394         while (1) {
 395                 if (end_of_queue_search(phead, plist) == true)
 396                         break;
 397
 398                 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 399                 if (is_same_network(&pnetwork->network, target))
 400                         break;
 401                 if ((oldest == ((struct wlan_network *)0)) ||
 402                     time_after((unsigned long)oldest->last_scanned,
 403                                 (unsigned long)pnetwork->last_scanned))
 404                         oldest = pnetwork;
 405
 406                 plist = plist->next;
 407         }
 408
 409
 410         /* If we didn't find a match, then get a new network slot to initialize
 411          * with this beacon's information */
 412         if (end_of_queue_search(phead, plist) == true) {
 413                 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
 414                         /* If there are no more slots, expire the oldest */
 415                         pnetwork = oldest;
 416                         target->Rssi = (pnetwork->network.Rssi +
 417                                         target->Rssi) / 2;
 418                         memcpy(&pnetwork->network, target,
 419                                 r8712_get_wlan_bssid_ex_sz(target));
 420                         pnetwork->last_scanned = jiffies;
 421                 } else {
 422                         /* Otherwise just pull from the free list */
 423                         /* update scan_time */
 424                         pnetwork = alloc_network(pmlmepriv);
 425                         if (pnetwork == NULL)
 426                                 return;
 427                         bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
 428                         target->Length = bssid_ex_sz;
 429                         memcpy(&pnetwork->network, target, bssid_ex_sz);
 430                         list_add_tail(&pnetwork->list, &queue->queue);
 431                 }
 432         } else {
 433                 /* we have an entry and we are going to update it. But
 434                  * this entry may be already expired. In this case we
 435                  * do the same as we found a new net and call the new_net
 436                  * handler
 437                  */
 438                 update_network(&pnetwork->network, target, adapter);
 439                 pnetwork->last_scanned = jiffies;
 440         }
 441 }
 442
 443 static void rtl8711_add_network(struct _adapter *adapter,
 444                          struct wlan_bssid_ex *pnetwork)
 445 {
 446         unsigned long irqL;
 447         struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
 448         struct  __queue *queue = &pmlmepriv->scanned_queue;
 449
 450         spin_lock_irqsave(&queue->lock, irqL);
 451         update_current_network(adapter, pnetwork);
 452         update_scanned_network(adapter, pnetwork);
 453         spin_unlock_irqrestore(&queue->lock, irqL);
 454 }
 455
 456 /*select the desired network based on the capability of the (i)bss.
 457  * check items:         (1) security
 458  *                      (2) network_type
 459  *                      (3) WMM
 460  *                      (4) HT
 461  *                      (5) others
 462  */
 463 static int is_desired_network(struct _adapter *adapter,
 464                                 struct wlan_network *pnetwork)
 465 {
 466         u8 wps_ie[512];
 467         uint wps_ielen;
 468         int bselected = true;
 469         struct  security_priv *psecuritypriv = &adapter->securitypriv;
 470
 471         if (psecuritypriv->wps_phase == true) {
 472                 if (r8712_get_wps_ie(pnetwork->network.IEs,
 473                     pnetwork->network.IELength, wps_ie,
 474                     &wps_ielen) == true)
 475                         return true;
 476                 else
 477                         return false;
 478         }
 479         if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 480                     (pnetwork->network.Privacy == 0))
 481                 bselected = false;
 482         if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE) == true) {
 483                 if (pnetwork->network.InfrastructureMode !=
 484                         adapter->mlmepriv.cur_network.network.
 485                         InfrastructureMode)
 486                         bselected = false;
 487         }
 488         return bselected;
 489 }
 490
 491 /* TODO: Perry : For Power Management */
 492 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
 493 {
 494 }
 495
 496 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
 497 {
 498         unsigned long flags;
 499         u32 len;
 500         struct wlan_bssid_ex *pnetwork;
 501         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 502
 503         pnetwork = (struct wlan_bssid_ex *)pbuf;
 504 #ifdef __BIG_ENDIAN
 505         /* endian_convert */
 506         pnetwork->Length = le32_to_cpu(pnetwork->Length);
 507         pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
 508         pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
 509         pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
 510         pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
 511         pnetwork->Configuration.ATIMWindow =
 512                  le32_to_cpu(pnetwork->Configuration.ATIMWindow);
 513         pnetwork->Configuration.BeaconPeriod =
 514                  le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
 515         pnetwork->Configuration.DSConfig =
 516                  le32_to_cpu(pnetwork->Configuration.DSConfig);
 517         pnetwork->Configuration.FHConfig.DwellTime =
 518                  le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
 519         pnetwork->Configuration.FHConfig.HopPattern =
 520                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
 521         pnetwork->Configuration.FHConfig.HopSet =
 522                  le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
 523         pnetwork->Configuration.FHConfig.Length =
 524                  le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
 525         pnetwork->Configuration.Length =
 526                  le32_to_cpu(pnetwork->Configuration.Length);
 527         pnetwork->InfrastructureMode =
 528                  le32_to_cpu(pnetwork->InfrastructureMode);
 529         pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
 530 #endif
 531         len = r8712_get_wlan_bssid_ex_sz(pnetwork);
 532         if (len > sizeof(struct wlan_bssid_ex))
 533                 return;
 534         spin_lock_irqsave(&pmlmepriv->lock2, flags);
 535         /* update IBSS_network 's timestamp */
 536         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
 537                 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
 538                     pnetwork->MacAddress, ETH_ALEN)) {
 539                         struct wlan_network *ibss_wlan = NULL;
 540
 541                         memcpy(pmlmepriv->cur_network.network.IEs,
 542                                 pnetwork->IEs, 8);
 543                         ibss_wlan = r8712_find_network(
 544                                                 &pmlmepriv->scanned_queue,
 545                                                 pnetwork->MacAddress);
 546                         if (ibss_wlan) {
 547                                 memcpy(ibss_wlan->network.IEs,
 548                                         pnetwork->IEs, 8);
 549                                 goto exit;
 550                         }
 551                 }
 552         }
 553         /* lock pmlmepriv->lock when you accessing network_q */
 554         if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
 555                 if (pnetwork->Ssid.Ssid[0] != 0)
 556                         rtl8711_add_network(adapter, pnetwork);
 557                 else {
 558                         pnetwork->Ssid.SsidLength = 8;
 559                         memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
 560                         rtl8711_add_network(adapter, pnetwork);
 561                 }
 562         }
 563 exit:
 564         spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
 565 }
 566
 567 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
 568 {
 569         unsigned long irqL;
 570         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 571
 572         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 573
 574         if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
 575                 del_timer(&pmlmepriv->scan_to_timer);
 576
 577                 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 578         }
 579
 580         if (pmlmepriv->to_join == true) {
 581                 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
 582                         if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
 583                                 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 584
 585                                 if (r8712_select_and_join_from_scan(pmlmepriv)
 586                                     == _SUCCESS)
 587                                         mod_timer(&pmlmepriv->assoc_timer, jiffies +
 588                                                   msecs_to_jiffies(MAX_JOIN_TIMEOUT));
 589                                 else {
 590                                         struct wlan_bssid_ex *pdev_network =
 591                                           &(adapter->registrypriv.dev_network);
 592                                         u8 *pibss =
 593                                                  adapter->registrypriv.
 594                                                         dev_network.MacAddress;
 595                                         pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
 596                                         memcpy(&pdev_network->Ssid,
 597                                                 &pmlmepriv->assoc_ssid,
 598                                                 sizeof(struct
 599                                                          ndis_802_11_ssid));
 600                                         r8712_update_registrypriv_dev_network
 601                                                 (adapter);
 602                                         r8712_generate_random_ibss(pibss);
 603                                         pmlmepriv->fw_state =
 604                                                  WIFI_ADHOC_MASTER_STATE;
 605                                         pmlmepriv->to_join = false;
 606                                 }
 607                         }
 608                 } else {
 609                         pmlmepriv->to_join = false;
 610                         set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 611                         if (r8712_select_and_join_from_scan(pmlmepriv) ==
 612                             _SUCCESS)
 613                                 mod_timer(&pmlmepriv->assoc_timer, jiffies +
 614                                           msecs_to_jiffies(MAX_JOIN_TIMEOUT));
 615                         else
 616                                 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 617                 }
 618         }
 619         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 620 }
 621
 622 /*
 623  *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
 624  */
 625 void r8712_free_assoc_resources(struct _adapter *adapter)
 626 {
 627         unsigned long irqL;
 628         struct wlan_network *pwlan = NULL;
 629         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 630         struct sta_priv *pstapriv = &adapter->stapriv;
 631         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 632
 633         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 634                                    tgt_network->network.MacAddress);
 635
 636         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
 637                 struct sta_info *psta;
 638
 639                 psta = r8712_get_stainfo(&adapter->stapriv,
 640                                          tgt_network->network.MacAddress);
 641
 642                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 643                 r8712_free_stainfo(adapter,  psta);
 644                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 645         }
 646
 647         if (check_fwstate(pmlmepriv,
 648             WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
 649                 r8712_free_all_stainfo(adapter);
 650         if (pwlan)
 651                 pwlan->fixed = false;
 652
 653         if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
 654              (adapter->stapriv.asoc_sta_count == 1)))
 655                 free_network_nolock(pmlmepriv, pwlan);
 656 }
 657
 658 /*
 659 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
 660 */
 661 void r8712_indicate_connect(struct _adapter *padapter)
 662 {
 663         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 664
 665         pmlmepriv->to_join = false;
 666         set_fwstate(pmlmepriv, _FW_LINKED);
 667         padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
 668         r8712_os_indicate_connect(padapter);
 669         if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
 670                 mod_timer(&pmlmepriv->dhcp_timer,
 671                           jiffies + msecs_to_jiffies(60000));
 672 }
 673
 674
 675 /*
 676 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
 677 */
 678 void r8712_ind_disconnect(struct _adapter *padapter)
 679 {
 680         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 681
 682         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
 683                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
 684                 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
 685                 r8712_os_indicate_disconnect(padapter);
 686         }
 687         if (padapter->pwrctrlpriv.pwr_mode !=
 688             padapter->registrypriv.power_mgnt) {
 689                 del_timer(&pmlmepriv->dhcp_timer);
 690                 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
 691                                   padapter->registrypriv.smart_ps);
 692         }
 693 }
 694
 695 /*Notes:
 696  *pnetwork : returns from r8712_joinbss_event_callback
 697  *ptarget_wlan: found from scanned_queue
 698  *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
 699  *  "ptarget_sta" & "ptarget_wlan" exist.
 700  *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
 701  * if "ptarget_wlan" exist.
 702  *if join_res > 0, update "cur_network->network" from
 703  * "pnetwork->network" if (ptarget_wlan !=NULL).
 704  */
 705 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
 706 {
 707         unsigned long irqL = 0, irqL2;
 708         struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
 709         struct sta_priv *pstapriv = &adapter->stapriv;
 710         struct mlme_priv        *pmlmepriv = &adapter->mlmepriv;
 711         struct wlan_network     *cur_network = &pmlmepriv->cur_network;
 712         struct wlan_network     *pcur_wlan = NULL, *ptarget_wlan = NULL;
 713         unsigned int            the_same_macaddr = false;
 714         struct wlan_network *pnetwork;
 715
 716         if (sizeof(struct list_head) == 4 * sizeof(u32)) {
 717                 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
 718                 if (!pnetwork)
 719                         return;
 720                 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
 721                         sizeof(struct wlan_network) - 16);
 722         } else
 723                 pnetwork = (struct wlan_network *)pbuf;
 724
 725 #ifdef __BIG_ENDIAN
 726         /* endian_convert */
 727         pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
 728         pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
 729         pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
 730         pnetwork->network.Ssid.SsidLength =
 731                  le32_to_cpu(pnetwork->network.Ssid.SsidLength);
 732         pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
 733         pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
 734         pnetwork->network.NetworkTypeInUse =
 735                  le32_to_cpu(pnetwork->network.NetworkTypeInUse);
 736         pnetwork->network.Configuration.ATIMWindow =
 737                  le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
 738         pnetwork->network.Configuration.BeaconPeriod =
 739                  le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
 740         pnetwork->network.Configuration.DSConfig =
 741                  le32_to_cpu(pnetwork->network.Configuration.DSConfig);
 742         pnetwork->network.Configuration.FHConfig.DwellTime =
 743                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.
 744                              DwellTime);
 745         pnetwork->network.Configuration.FHConfig.HopPattern =
 746                  le32_to_cpu(pnetwork->network.Configuration.
 747                              FHConfig.HopPattern);
 748         pnetwork->network.Configuration.FHConfig.HopSet =
 749                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
 750         pnetwork->network.Configuration.FHConfig.Length =
 751                  le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
 752         pnetwork->network.Configuration.Length =
 753                  le32_to_cpu(pnetwork->network.Configuration.Length);
 754         pnetwork->network.InfrastructureMode =
 755                  le32_to_cpu(pnetwork->network.InfrastructureMode);
 756         pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
 757 #endif
 758
 759         the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
 760                                    cur_network->network.MacAddress, ETH_ALEN);
 761         pnetwork->network.Length =
 762                  r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
 763         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 764         if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
 765                 goto ignore_joinbss_callback;
 766         if (pnetwork->join_res > 0) {
 767                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
 768                         /*s1. find ptarget_wlan*/
 769                         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
 770                                 if (the_same_macaddr == true)
 771                                         ptarget_wlan =
 772                                             r8712_find_network(&pmlmepriv->
 773                                             scanned_queue,
 774                                             cur_network->network.MacAddress);
 775                                 else {
 776                                         pcur_wlan =
 777                                              r8712_find_network(&pmlmepriv->
 778                                              scanned_queue,
 779                                              cur_network->network.MacAddress);
 780                                         pcur_wlan->fixed = false;
 781
 782                                         pcur_sta = r8712_get_stainfo(pstapriv,
 783                                              cur_network->network.MacAddress);
 784                                         spin_lock_irqsave(&pstapriv->
 785                                                 sta_hash_lock, irqL2);
 786                                         r8712_free_stainfo(adapter, pcur_sta);
 787                                         spin_unlock_irqrestore(&(pstapriv->
 788                                                 sta_hash_lock), irqL2);
 789
 790                                         ptarget_wlan =
 791                                                  r8712_find_network(&pmlmepriv->
 792                                                  scanned_queue,
 793                                                  pnetwork->network.
 794                                                  MacAddress);
 795                                         if (ptarget_wlan)
 796                                                 ptarget_wlan->fixed = true;
 797                                 }
 798                         } else {
 799                                 ptarget_wlan = r8712_find_network(&pmlmepriv->
 800                                                 scanned_queue,
 801                                                 pnetwork->network.MacAddress);
 802                                 if (ptarget_wlan)
 803                                         ptarget_wlan->fixed = true;
 804                         }
 805
 806                         if (ptarget_wlan == NULL) {
 807                                 if (check_fwstate(pmlmepriv,
 808                                         _FW_UNDER_LINKING))
 809                                         pmlmepriv->fw_state ^=
 810                                                  _FW_UNDER_LINKING;
 811                                 goto ignore_joinbss_callback;
 812                         }
 813
 814                         /*s2. find ptarget_sta & update ptarget_sta*/
 815                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 816                                 if (the_same_macaddr == true) {
 817                                         ptarget_sta =
 818                                                  r8712_get_stainfo(pstapriv,
 819                                                  pnetwork->network.MacAddress);
 820                                         if (ptarget_sta == NULL)
 821                                                 ptarget_sta =
 822                                                  r8712_alloc_stainfo(pstapriv,
 823                                                  pnetwork->network.MacAddress);
 824                                 } else
 825                                         ptarget_sta =
 826                                                  r8712_alloc_stainfo(pstapriv,
 827                                                  pnetwork->network.MacAddress);
 828                                 if (ptarget_sta) /*update ptarget_sta*/ {
 829                                         ptarget_sta->aid = pnetwork->join_res;
 830                                         ptarget_sta->qos_option = 1;
 831                                         ptarget_sta->mac_id = 5;
 832                                         if (adapter->securitypriv.
 833                                             AuthAlgrthm == 2) {
 834                                                 adapter->securitypriv.
 835                                                         binstallGrpkey =
 836                                                          false;
 837                                                 adapter->securitypriv.
 838                                                         busetkipkey =
 839                                                          false;
 840                                                 adapter->securitypriv.
 841                                                         bgrpkey_handshake =
 842                                                          false;
 843                                                 ptarget_sta->ieee8021x_blocked
 844                                                          = true;
 845                                                 ptarget_sta->XPrivacy =
 846                                                          adapter->securitypriv.
 847                                                          PrivacyAlgrthm;
 848                                                 memset((u8 *)&ptarget_sta->
 849                                                          x_UncstKey,
 850                                                          0,
 851                                                          sizeof(union Keytype));
 852                                                 memset((u8 *)&ptarget_sta->
 853                                                          tkiprxmickey,
 854                                                          0,
 855                                                          sizeof(union Keytype));
 856                                                 memset((u8 *)&ptarget_sta->
 857                                                          tkiptxmickey,
 858                                                          0,
 859                                                          sizeof(union Keytype));
 860                                                 memset((u8 *)&ptarget_sta->
 861                                                          txpn, 0,
 862                                                          sizeof(union pn48));
 863                                                 memset((u8 *)&ptarget_sta->
 864                                                          rxpn, 0,
 865                                                          sizeof(union pn48));
 866                                         }
 867                                 } else {
 868                                         if (check_fwstate(pmlmepriv,
 869                                             _FW_UNDER_LINKING))
 870                                                 pmlmepriv->fw_state ^=
 871                                                          _FW_UNDER_LINKING;
 872                                         goto ignore_joinbss_callback;
 873                                 }
 874                         }
 875
 876                         /*s3. update cur_network & indicate connect*/
 877                         memcpy(&cur_network->network, &pnetwork->network,
 878                                 pnetwork->network.Length);
 879                         cur_network->aid = pnetwork->join_res;
 880                         /*update fw_state will clr _FW_UNDER_LINKING*/
 881                         switch (pnetwork->network.InfrastructureMode) {
 882                         case Ndis802_11Infrastructure:
 883                                 pmlmepriv->fw_state = WIFI_STATION_STATE;
 884                                 break;
 885                         case Ndis802_11IBSS:
 886                                 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
 887                                 break;
 888                         default:
 889                                 pmlmepriv->fw_state = WIFI_NULL_STATE;
 890                                 break;
 891                         }
 892                         r8712_update_protection(adapter,
 893                                           (cur_network->network.IEs) +
 894                                           sizeof(struct NDIS_802_11_FIXED_IEs),
 895                                           (cur_network->network.IELength));
 896                         /*TODO: update HT_Capability*/
 897                         update_ht_cap(adapter, cur_network->network.IEs,
 898                                       cur_network->network.IELength);
 899                         /*indicate connect*/
 900                         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
 901                                 == true)
 902                                 r8712_indicate_connect(adapter);
 903                         del_timer(&pmlmepriv->assoc_timer);
 904                 } else
 905                         goto ignore_joinbss_callback;
 906         } else {
 907                 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
 908                         mod_timer(&pmlmepriv->assoc_timer,
 909                                   jiffies + msecs_to_jiffies(1));
 910                         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 911                 }
 912         }
 913 ignore_joinbss_callback:
 914         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 915         if (sizeof(struct list_head) == 4 * sizeof(u32))
 916                 kfree(pnetwork);
 917 }
 918
 919 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
 920 {
 921         unsigned long irqL;
 922         struct sta_info *psta;
 923         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 924         struct stassoc_event *pstassoc  = (struct stassoc_event *)pbuf;
 925
 926         /* to do: */
 927         if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
 928                 return;
 929         psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
 930         if (psta != NULL) {
 931                 /*the sta have been in sta_info_queue => do nothing
 932                  *(between drv has received this event before and
 933                  *  fw have not yet to set key to CAM_ENTRY) */
 934                 return;
 935         }
 936
 937         psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
 938         if (psta == NULL)
 939                 return;
 940         /* to do : init sta_info variable */
 941         psta->qos_option = 0;
 942         psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
 943         /* psta->aid = (uint)pstassoc->cam_id; */
 944
 945         if (adapter->securitypriv.AuthAlgrthm == 2)
 946                 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
 947         psta->ieee8021x_blocked = false;
 948         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 949         if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
 950             (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
 951                 if (adapter->stapriv.asoc_sta_count == 2) {
 952                         /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
 953                         r8712_indicate_connect(adapter);
 954                 }
 955         }
 956         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 957 }
 958
 959 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
 960 {
 961         unsigned long irqL, irqL2;
 962         struct sta_info *psta;
 963         struct wlan_network *pwlan = NULL;
 964         struct wlan_bssid_ex *pdev_network = NULL;
 965         u8 *pibss = NULL;
 966         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 967         struct stadel_event *pstadel = (struct stadel_event *)pbuf;
 968         struct sta_priv *pstapriv = &adapter->stapriv;
 969         struct wlan_network *tgt_network = &pmlmepriv->cur_network;
 970
 971         spin_lock_irqsave(&pmlmepriv->lock, irqL2);
 972         if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
 973                 r8712_ind_disconnect(adapter);
 974                 r8712_free_assoc_resources(adapter);
 975         }
 976         if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
 977             WIFI_ADHOC_STATE)) {
 978                 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
 979                 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
 980                 r8712_free_stainfo(adapter, psta);
 981                 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
 982                 if (adapter->stapriv.asoc_sta_count == 1) {
 983                         /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
 984                         pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
 985                                 tgt_network->network.MacAddress);
 986                         if (pwlan) {
 987                                 pwlan->fixed = false;
 988                                 free_network_nolock(pmlmepriv, pwlan);
 989                         }
 990                         /*re-create ibss*/
 991                         pdev_network = &(adapter->registrypriv.dev_network);
 992                         pibss = adapter->registrypriv.dev_network.MacAddress;
 993                         memcpy(pdev_network, &tgt_network->network,
 994                                 r8712_get_wlan_bssid_ex_sz(&tgt_network->
 995                                                         network));
 996                         memcpy(&pdev_network->Ssid,
 997                                 &pmlmepriv->assoc_ssid,
 998                                 sizeof(struct ndis_802_11_ssid));
 999                         r8712_update_registrypriv_dev_network(adapter);
1000                         r8712_generate_random_ibss(pibss);
1001                         if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1002                                 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1003                                 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1004                         }
1005                 }
1006         }
1007         spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1008 }
1009
1010 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1011 {
1012         struct reportpwrstate_parm *preportpwrstate =
1013                          (struct reportpwrstate_parm *)pbuf;
1014
1015         preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1016         r8712_cpwm_int_hdl(adapter, preportpwrstate);
1017 }
1018
1019 /*      When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1020  *       the ADDBA req frame with start seq control = 0 to wifi client after
1021  *       the WPA handshake and the seqence number of following data packet
1022  *      will be 0. In this case, the Rx reorder sequence is not longer than 0
1023  *       and the WiFi client will drop the data with seq number 0.
1024  *      So, the 8712 firmware has to inform driver with receiving the
1025  *       ADDBA-Req frame so that the driver can reset the
1026  *      sequence value of Rx reorder control.
1027  */
1028 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1029 {
1030         struct  ADDBA_Req_Report_parm *pAddbareq_pram =
1031                          (struct ADDBA_Req_Report_parm *)pbuf;
1032         struct  sta_info *psta;
1033         struct  sta_priv *pstapriv = &adapter->stapriv;
1034         struct  recv_reorder_ctrl *precvreorder_ctrl = NULL;
1035
1036         psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1037         if (psta) {
1038                 precvreorder_ctrl =
1039                          &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1040                 /* set the indicate_seq to 0xffff so that the rx reorder
1041                  * can store any following data packet.
1042                  */
1043                 precvreorder_ctrl->indicate_seq = 0xffff;
1044         }
1045 }
1046
1047 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1048 {
1049         if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1050                 adapter->securitypriv.wps_hw_pbc_pressed = true;
1051 }
1052
1053 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1054 {
1055         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1056         struct sitesurvey_ctrl  *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1057         struct registry_priv    *pregistrypriv = &adapter->registrypriv;
1058         u64 current_tx_pkts;
1059         uint current_rx_pkts;
1060
1061         current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1062                           (psitesurveyctrl->last_tx_pkts);
1063         current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1064                           (psitesurveyctrl->last_rx_pkts);
1065         psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1066         psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1067         if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1068             (current_rx_pkts > pregistrypriv->busy_thresh))
1069                 psitesurveyctrl->traffic_busy = true;
1070         else
1071                 psitesurveyctrl->traffic_busy = false;
1072 }
1073
1074 void _r8712_join_timeout_handler(struct _adapter *adapter)
1075 {
1076         unsigned long irqL;
1077         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1078
1079         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1080                 return;
1081         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1082         _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1083         pmlmepriv->to_join = false;
1084         if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1085                 r8712_os_indicate_disconnect(adapter);
1086                 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1087         }
1088         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1089                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1090                                   adapter->registrypriv.smart_ps);
1091         }
1092         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1093 }
1094
1095 void r8712_scan_timeout_handler (struct _adapter *adapter)
1096 {
1097         unsigned long irqL;
1098         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1099
1100         spin_lock_irqsave(&pmlmepriv->lock, irqL);
1101         _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1102         pmlmepriv->to_join = false;     /* scan fail, so clear to_join flag */
1103         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1104 }
1105
1106 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1107 {
1108         if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1109                 return;
1110         if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1111                 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1112                             adapter->registrypriv.smart_ps);
1113 }
1114
1115 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1116 {
1117         r8712_wdg_wk_cmd(adapter);
1118 }
1119
1120 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1121 {
1122         struct list_head *phead;
1123         unsigned char *dst_ssid, *src_ssid;
1124         struct _adapter *adapter;
1125         struct  __queue *queue = NULL;
1126         struct wlan_network *pnetwork = NULL;
1127         struct wlan_network *pnetwork_max_rssi = NULL;
1128
1129         adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1130         queue = &pmlmepriv->scanned_queue;
1131         phead = &queue->queue;
1132         pmlmepriv->pscanned = phead->next;
1133         while (1) {
1134                 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1135                         if ((pmlmepriv->assoc_by_rssi == true) &&
1136                             (pnetwork_max_rssi != NULL)) {
1137                                 pnetwork = pnetwork_max_rssi;
1138                                 goto ask_for_joinbss;
1139                         }
1140                         return _FAIL;
1141                 }
1142                 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1143                                           struct wlan_network, list);
1144                 if (pnetwork == NULL)
1145                         return _FAIL;
1146                 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1147                 if (pmlmepriv->assoc_by_bssid == true) {
1148                         dst_ssid = pnetwork->network.MacAddress;
1149                         src_ssid = pmlmepriv->assoc_bssid;
1150                         if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1151                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1152                                         if (is_same_network(&pmlmepriv->
1153                                             cur_network.network,
1154                                             &pnetwork->network)) {
1155                                                 _clr_fwstate_(pmlmepriv,
1156                                                         _FW_UNDER_LINKING);
1157                                                 /*r8712_indicate_connect again*/
1158                                                 r8712_indicate_connect(adapter);
1159                                                 return 2;
1160                                         }
1161                                         r8712_disassoc_cmd(adapter);
1162                                         r8712_ind_disconnect(adapter);
1163                                         r8712_free_assoc_resources(adapter);
1164                                 }
1165                                 goto ask_for_joinbss;
1166                         }
1167                 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1168                         goto ask_for_joinbss;
1169                 dst_ssid = pnetwork->network.Ssid.Ssid;
1170                 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1171                 if ((pnetwork->network.Ssid.SsidLength ==
1172                     pmlmepriv->assoc_ssid.SsidLength) &&
1173                     (!memcmp(dst_ssid, src_ssid,
1174                      pmlmepriv->assoc_ssid.SsidLength))) {
1175                         if (pmlmepriv->assoc_by_rssi == true) {
1176                                 /* if the ssid is the same, select the bss
1177                                  *  which has the max rssi*/
1178                                 if (pnetwork_max_rssi) {
1179                                         if (pnetwork->network.Rssi >
1180                                             pnetwork_max_rssi->network.Rssi)
1181                                                 pnetwork_max_rssi = pnetwork;
1182                                 } else
1183                                         pnetwork_max_rssi = pnetwork;
1184                         } else if (is_desired_network(adapter, pnetwork)) {
1185                                 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1186                                         r8712_disassoc_cmd(adapter);
1187                                         r8712_free_assoc_resources(adapter);
1188                                 }
1189                                 goto ask_for_joinbss;
1190                         }
1191                 }
1192         }
1193         return _FAIL;
1194 ask_for_joinbss:
1195         return r8712_joinbss_cmd(adapter, pnetwork);
1196 }
1197
1198 sint r8712_set_auth(struct _adapter *adapter,
1199                     struct security_priv *psecuritypriv)
1200 {
1201         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1202         struct cmd_obj *pcmd;
1203         struct setauth_parm *psetauthparm;
1204
1205         pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1206         if (pcmd == NULL)
1207                 return _FAIL;
1208
1209         psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1210         if (psetauthparm == NULL) {
1211                 kfree(pcmd);
1212                 return _FAIL;
1213         }
1214         psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1215         pcmd->cmdcode = _SetAuth_CMD_;
1216         pcmd->parmbuf = (unsigned char *)psetauthparm;
1217         pcmd->cmdsz = sizeof(struct setauth_parm);
1218         pcmd->rsp = NULL;
1219         pcmd->rspsz = 0;
1220         INIT_LIST_HEAD(&pcmd->list);
1221         r8712_enqueue_cmd(pcmdpriv, pcmd);
1222         return _SUCCESS;
1223 }
1224
1225 sint r8712_set_key(struct _adapter *adapter,
1226                    struct security_priv *psecuritypriv,
1227              sint keyid)
1228 {
1229         struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1230         struct cmd_obj *pcmd;
1231         struct setkey_parm *psetkeyparm;
1232         u8 keylen;
1233         sint ret = _SUCCESS;
1234
1235         pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1236         if (pcmd == NULL)
1237                 return _FAIL;
1238         psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1239         if (psetkeyparm == NULL) {
1240                 ret = _FAIL;
1241                 goto err_free_cmd;
1242         }
1243         if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1244                 psetkeyparm->algorithm =
1245                          (u8)psecuritypriv->XGrpPrivacy;
1246         } else { /* WEP */
1247                 psetkeyparm->algorithm =
1248                          (u8)psecuritypriv->PrivacyAlgrthm;
1249         }
1250         psetkeyparm->keyid = (u8)keyid;
1251
1252         switch (psetkeyparm->algorithm) {
1253         case _WEP40_:
1254                 keylen = 5;
1255                 memcpy(psetkeyparm->key,
1256                         psecuritypriv->DefKey[keyid].skey, keylen);
1257                 break;
1258         case _WEP104_:
1259                 keylen = 13;
1260                 memcpy(psetkeyparm->key,
1261                         psecuritypriv->DefKey[keyid].skey, keylen);
1262                 break;
1263         case _TKIP_:
1264                 if (keyid < 1 || keyid > 2) {
1265                         ret = _FAIL;
1266                         goto err_free_parm;
1267                 }
1268                 keylen = 16;
1269                 memcpy(psetkeyparm->key,
1270                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1271                 psetkeyparm->grpkey = 1;
1272                 break;
1273         case _AES_:
1274                 if (keyid < 1 || keyid > 2) {
1275                         ret = _FAIL;
1276                         goto err_free_parm;
1277                 }
1278                 keylen = 16;
1279                 memcpy(psetkeyparm->key,
1280                         &psecuritypriv->XGrpKey[keyid - 1], keylen);
1281                 psetkeyparm->grpkey = 1;
1282                 break;
1283         default:
1284                 ret = _FAIL;
1285                 goto err_free_parm;
1286         }
1287         pcmd->cmdcode = _SetKey_CMD_;
1288         pcmd->parmbuf = (u8 *)psetkeyparm;
1289         pcmd->cmdsz =  (sizeof(struct setkey_parm));
1290         pcmd->rsp = NULL;
1291         pcmd->rspsz = 0;
1292         INIT_LIST_HEAD(&pcmd->list);
1293         r8712_enqueue_cmd(pcmdpriv, pcmd);
1294         return ret;
1295
1296 err_free_parm:
1297         kfree(psetkeyparm);
1298 err_free_cmd:
1299         kfree(pcmd);
1300         return ret;
1301 }
1302
1303 /* adjust IEs for r8712_joinbss_cmd in WMM */
1304 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1305                     uint in_len, uint initial_out_len)
1306 {
1307         unsigned int ielength = 0;
1308         unsigned int i, j;
1309
1310         i = 12; /* after the fixed IE */
1311         while (i < in_len) {
1312                 ielength = initial_out_len;
1313                 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1314                     in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1315                     in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1316                         /*WMM element ID and OUI*/
1317                         for (j = i; j < i + 9; j++) {
1318                                 out_ie[ielength] = in_ie[j];
1319                                 ielength++;
1320                         }
1321                         out_ie[initial_out_len + 1] = 0x07;
1322                         out_ie[initial_out_len + 6] = 0x00;
1323                         out_ie[initial_out_len + 8] = 0x00;
1324                         break;
1325                 }
1326                 i += (in_ie[i + 1] + 2); /* to the next IE element */
1327         }
1328         return ielength;
1329 }
1330
1331 /*
1332  * Ported from 8185: IsInPreAuthKeyList().
1333  *
1334  * Search by BSSID,
1335  * Return Value:
1336  *      -1              :if there is no pre-auth key in the  table
1337  *      >=0             :if there is pre-auth key, and   return the entry id
1338  */
1339 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1340 {
1341         struct security_priv *psecuritypriv = &Adapter->securitypriv;
1342         int i = 0;
1343
1344         do {
1345                 if (psecuritypriv->PMKIDList[i].bUsed &&
1346                    (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1347                             bssid, ETH_ALEN)))
1348                         break;
1349                 else
1350                         i++;
1351         } while (i < NUM_PMKID_CACHE);
1352
1353         if (i == NUM_PMKID_CACHE) {
1354                 i = -1; /* Could not find. */
1355         } else {
1356                 ; /* There is one Pre-Authentication Key for the
1357                    * specific BSSID. */
1358         }
1359         return i;
1360 }
1361
1362 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1363                      u8 *out_ie, uint in_len)
1364 {
1365         u8 authmode = 0, match;
1366         u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1367         u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1368         uint ielength, cnt, remove_cnt;
1369         int iEntry;
1370         struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1371         struct security_priv *psecuritypriv = &adapter->securitypriv;
1372         uint ndisauthmode = psecuritypriv->ndisauthtype;
1373         uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1374
1375         if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1376             (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1377                 authmode = _WPA_IE_ID_;
1378                 uncst_oui[0] = 0x0;
1379                 uncst_oui[1] = 0x50;
1380                 uncst_oui[2] = 0xf2;
1381         }
1382         if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1383             (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1384                 authmode = _WPA2_IE_ID_;
1385                 uncst_oui[0] = 0x0;
1386                 uncst_oui[1] = 0x0f;
1387                 uncst_oui[2] = 0xac;
1388         }
1389         switch (ndissecuritytype) {
1390         case Ndis802_11Encryption1Enabled:
1391         case Ndis802_11Encryption1KeyAbsent:
1392                 uncst_oui[3] = 0x1;
1393                 break;
1394         case Ndis802_11Encryption2Enabled:
1395         case Ndis802_11Encryption2KeyAbsent:
1396                 uncst_oui[3] = 0x2;
1397                 break;
1398         case Ndis802_11Encryption3Enabled:
1399         case Ndis802_11Encryption3KeyAbsent:
1400                 uncst_oui[3] = 0x4;
1401                 break;
1402         default:
1403                 break;
1404         }
1405         /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1406         cnt = 12;
1407         match = false;
1408         while (cnt < in_len) {
1409                 if (in_ie[cnt] == authmode) {
1410                         if ((authmode == _WPA_IE_ID_) &&
1411                             (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1412                                 memcpy(&sec_ie[0], &in_ie[cnt],
1413                                         in_ie[cnt + 1] + 2);
1414                                 match = true;
1415                                 break;
1416                         }
1417                         if (authmode == _WPA2_IE_ID_) {
1418                                 memcpy(&sec_ie[0], &in_ie[cnt],
1419                                         in_ie[cnt + 1] + 2);
1420                                 match = true;
1421                                 break;
1422                         }
1423                         if (((authmode == _WPA_IE_ID_) &&
1424                              (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1425                              (authmode == _WPA2_IE_ID_))
1426                                 memcpy(&bkup_ie[0], &in_ie[cnt],
1427                                         in_ie[cnt + 1] + 2);
1428                 }
1429                 cnt += in_ie[cnt+1] + 2; /*get next*/
1430         }
1431         /*restruct WPA IE or WPA2 IE in sec_ie[] */
1432         if (match == true) {
1433                 if (sec_ie[0] == _WPA_IE_ID_) {
1434                         /* parsing SSN IE to select required encryption
1435                          * algorithm, and set the bc/mc encryption algorithm */
1436                         while (true) {
1437                                 /*check wpa_oui tag*/
1438                                 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1439                                         match = false;
1440                                         break;
1441                                 }
1442                                 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1443                                         /*IE Ver error*/
1444                                         match = false;
1445                                         break;
1446                                 }
1447                                 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1448                                         /* get bc/mc encryption type (group
1449                                          * key type)*/
1450                                         switch (sec_ie[11]) {
1451                                         case 0x0: /*none*/
1452                                                 psecuritypriv->XGrpPrivacy =
1453                                                                 _NO_PRIVACY_;
1454                                                 break;
1455                                         case 0x1: /*WEP_40*/
1456                                                 psecuritypriv->XGrpPrivacy =
1457                                                                 _WEP40_;
1458                                                 break;
1459                                         case 0x2: /*TKIP*/
1460                                                 psecuritypriv->XGrpPrivacy =
1461                                                                 _TKIP_;
1462                                                 break;
1463                                         case 0x3: /*AESCCMP*/
1464                                         case 0x4:
1465                                                 psecuritypriv->XGrpPrivacy =
1466                                                                 _AES_;
1467                                                 break;
1468                                         case 0x5: /*WEP_104*/
1469                                                 psecuritypriv->XGrpPrivacy =
1470                                                                 _WEP104_;
1471                                                 break;
1472                                         }
1473                                 } else {
1474                                         match = false;
1475                                         break;
1476                                 }
1477                                 if (sec_ie[12] == 0x01) {
1478                                         /*check the unicast encryption type*/
1479                                         if (memcmp(&sec_ie[14],
1480                                             &uncst_oui[0], 4)) {
1481                                                 match = false;
1482                                                 break;
1483
1484                                         } /*else the uncst_oui is match*/
1485                                 } else { /*mixed mode, unicast_enc_type > 1*/
1486                                         /*select the uncst_oui and remove
1487                                          * the other uncst_oui*/
1488                                         cnt = sec_ie[12];
1489                                         remove_cnt = (cnt-1) * 4;
1490                                         sec_ie[12] = 0x01;
1491                                         memcpy(&sec_ie[14], &uncst_oui[0], 4);
1492                                         /*remove the other unicast suit*/
1493                                         memcpy(&sec_ie[18],
1494                                                 &sec_ie[18 + remove_cnt],
1495                                                 sec_ie[1] - 18 + 2 -
1496                                                 remove_cnt);
1497                                         sec_ie[1] = sec_ie[1] - remove_cnt;
1498                                 }
1499                                 break;
1500                         }
1501                 }
1502                 if (authmode == _WPA2_IE_ID_) {
1503                         /* parsing RSN IE to select required encryption
1504                          * algorithm, and set the bc/mc encryption algorithm */
1505                         while (true) {
1506                                 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1507                                         /*IE Ver error*/
1508                                         match = false;
1509                                         break;
1510                                 }
1511                                 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1512                                         /*get bc/mc encryption type*/
1513                                         switch (sec_ie[7]) {
1514                                         case 0x1: /*WEP_40*/
1515                                                 psecuritypriv->XGrpPrivacy =
1516                                                                 _WEP40_;
1517                                                 break;
1518                                         case 0x2: /*TKIP*/
1519                                                 psecuritypriv->XGrpPrivacy =
1520                                                                 _TKIP_;
1521                                                 break;
1522                                         case 0x4: /*AESWRAP*/
1523                                                 psecuritypriv->XGrpPrivacy =
1524                                                                 _AES_;
1525                                                 break;
1526                                         case 0x5: /*WEP_104*/
1527                                                 psecuritypriv->XGrpPrivacy =
1528                                                                 _WEP104_;
1529                                                 break;
1530                                         default: /*one*/
1531                                                 psecuritypriv->XGrpPrivacy =
1532                                                                 _NO_PRIVACY_;
1533                                                 break;
1534                                         }
1535                                 } else {
1536                                         match = false;
1537                                         break;
1538                                 }
1539                                 if (sec_ie[8] == 0x01) {
1540                                         /*check the unicast encryption type*/
1541                                         if (memcmp(&sec_ie[10],
1542                                                      &uncst_oui[0], 4)) {
1543                                                 match = false;
1544                                                 break;
1545                                         } /*else the uncst_oui is match*/
1546                                 } else { /*mixed mode, unicast_enc_type > 1*/
1547                                         /*select the uncst_oui and remove the
1548                                          * other uncst_oui*/
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 == true) {
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 == true) {
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 = cpu_to_le32(Ndis802_11DS);
1638                 break;
1639         case WIRELESS_11G:
1640         case WIRELESS_11BG:
1641                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1642                 break;
1643         case WIRELESS_11A:
1644                 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1645                 break;
1646         default:
1647                 /* TODO */
1648                 break;
1649         }
1650         pdev_network->Configuration.DSConfig = cpu_to_le32(
1651                                                pregistrypriv->channel);
1652         if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1653                 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1654         pdev_network->InfrastructureMode = cpu_to_le32(
1655                                 cur_network->network.InfrastructureMode);
1656         /* 1. Supported rates
1657          * 2. IE
1658          */
1659         sz = r8712_generate_ie(pregistrypriv);
1660         pdev_network->IELength = sz;
1661         pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
1662 }
1663
1664 /*the function is at passive_level*/
1665 void r8712_joinbss_reset(struct _adapter *padapter)
1666 {
1667         int i;
1668         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1669         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1670
1671         /* todo: if you want to do something io/reg/hw setting before join_bss,
1672          * please add code here */
1673         phtpriv->ampdu_enable = false;/*reset to disabled*/
1674         for (i = 0; i < 16; i++)
1675                 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1676         if (phtpriv->ht_option) {
1677                 /* validate  usb rx aggregation */
1678                 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1679         } else {
1680                 /* invalidate  usb rx aggregation */
1681                 /* TH=1 => means that invalidate usb rx aggregation */
1682                 r8712_write8(padapter, 0x102500D9, 1);
1683         }
1684 }
1685
1686 /*the function is >= passive_level*/
1687 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1688                                      u8 *out_ie, uint in_len, uint *pout_len)
1689 {
1690         u32 ielen, out_len;
1691         unsigned char *p;
1692         struct ieee80211_ht_cap ht_capie;
1693         unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1694         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1695         struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1696         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1697
1698         phtpriv->ht_option = 0;
1699         p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1700         if (p && (ielen > 0)) {
1701                 if (pqospriv->qos_option == 0) {
1702                         out_len = *pout_len;
1703                         r8712_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
1704                                      _WMM_IE_Length_, WMM_IE, pout_len);
1705                         pqospriv->qos_option = 1;
1706                 }
1707                 out_len = *pout_len;
1708                 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1709                 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1710                                     IEEE80211_HT_CAP_SGI_20 |
1711                                     IEEE80211_HT_CAP_SGI_40 |
1712                                     IEEE80211_HT_CAP_TX_STBC |
1713                                     IEEE80211_HT_CAP_MAX_AMSDU |
1714                                     IEEE80211_HT_CAP_DSSSCCK40;
1715                 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1716                                 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1717                 r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1718                              sizeof(struct ieee80211_ht_cap),
1719                              (unsigned char *)&ht_capie, pout_len);
1720                 phtpriv->ht_option = 1;
1721         }
1722         return phtpriv->ht_option;
1723 }
1724
1725 /* the function is > passive_level (in critical_section) */
1726 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1727 {
1728         u8 *p, max_ampdu_sz;
1729         int i, 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 == false) &&
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 == true)) {
1792                 if (phtpriv->baddbareq_issued[priority] == false) {
1793                         r8712_addbareq_cmd(padapter, (u8)priority);
1794                         phtpriv->baddbareq_issued[priority] = true;
1795                 }
1796         }
1797 }