linux/drivers/staging/rtl8723bs/core/rtw_mlme.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5 *
   6 ******************************************************************************/
   7#define _RTW_MLME_C_
   8
   9#include <linux/etherdevice.h>
  10#include <drv_types.h>
  11#include <rtw_debug.h>
  12#include <linux/jiffies.h>
  13
  14extern u8 rtw_do_join(struct adapter *padapter);
  15
  16sint    _rtw_init_mlme_priv(struct adapter *padapter)
  17{
  18        sint    i;
  19        u8 *pbuf;
  20        struct wlan_network     *pnetwork;
  21        struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
  22        sint    res = _SUCCESS;
  23
  24        pmlmepriv->nic_hdl = (u8 *)padapter;
  25
  26        pmlmepriv->pscanned = NULL;
  27        pmlmepriv->fw_state = WIFI_STATION_STATE; /*  Must sync with rtw_wdev_alloc() */
  28        /*  wdev->iftype = NL80211_IFTYPE_STATION */
  29        pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
  30        pmlmepriv->scan_mode = SCAN_ACTIVE;/*  1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
  31
  32        spin_lock_init(&(pmlmepriv->lock));
  33        _rtw_init_queue(&(pmlmepriv->free_bss_pool));
  34        _rtw_init_queue(&(pmlmepriv->scanned_queue));
  35
  36        set_scanned_network_val(pmlmepriv, 0);
  37
  38        memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
  39
  40        pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
  41
  42        if (pbuf == NULL) {
  43                res = _FAIL;
  44                goto exit;
  45        }
  46        pmlmepriv->free_bss_buf = pbuf;
  47
  48        pnetwork = (struct wlan_network *)pbuf;
  49
  50        for (i = 0; i < MAX_BSS_CNT; i++) {
  51                INIT_LIST_HEAD(&(pnetwork->list));
  52
  53                list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
  54
  55                pnetwork++;
  56        }
  57
  58        /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
  59
  60        rtw_clear_scan_deny(padapter);
  61
  62        #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
  63        #define RTW_ROAM_RSSI_DIFF_TH 10
  64        #define RTW_ROAM_SCAN_INTERVAL_MS 10000
  65
  66        pmlmepriv->roam_flags = 0
  67                | RTW_ROAM_ON_EXPIRED
  68                | RTW_ROAM_ON_RESUME
  69                #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */
  70                | RTW_ROAM_ACTIVE
  71                #endif
  72                ;
  73
  74        pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
  75        pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
  76        pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
  77
  78        rtw_init_mlme_timer(padapter);
  79
  80exit:
  81
  82        return res;
  83}
  84
  85static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
  86{
  87        if (*ppie) {
  88                kfree(*ppie);
  89                *plen = 0;
  90                *ppie = NULL;
  91        }
  92}
  93
  94void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
  95{
  96        rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
  97        rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
  98        rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
  99        rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
 100        rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
 101        rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
 102
 103        rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
 104        rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
 105        rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
 106        rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
 107        rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
 108}
 109
 110void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
 111{
 112        if (pmlmepriv) {
 113                rtw_free_mlme_priv_ie_data(pmlmepriv);
 114                if (pmlmepriv->free_bss_buf) {
 115                        vfree(pmlmepriv->free_bss_buf);
 116                }
 117        }
 118}
 119
 120/*
 121struct  wlan_network *_rtw_dequeue_network(struct __queue *queue)
 122{
 123        _irqL irqL;
 124
 125        struct wlan_network *pnetwork;
 126
 127        spin_lock_bh(&queue->lock);
 128
 129        if (list_empty(&queue->queue))
 130
 131                pnetwork = NULL;
 132
 133        else
 134        {
 135                pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list);
 136
 137                list_del_init(&(pnetwork->list));
 138        }
 139
 140        spin_unlock_bh(&queue->lock);
 141
 142        return pnetwork;
 143}
 144*/
 145
 146struct  wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
 147{
 148        struct  wlan_network    *pnetwork;
 149        struct __queue *free_queue = &pmlmepriv->free_bss_pool;
 150        struct list_head *plist = NULL;
 151
 152        spin_lock_bh(&free_queue->lock);
 153
 154        if (list_empty(&free_queue->queue)) {
 155                pnetwork = NULL;
 156                goto exit;
 157        }
 158        plist = get_next(&(free_queue->queue));
 159
 160        pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 161
 162        list_del_init(&pnetwork->list);
 163
 164        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr =%p\n", plist));
 165        pnetwork->network_type = 0;
 166        pnetwork->fixed = false;
 167        pnetwork->last_scanned = jiffies;
 168        pnetwork->aid = 0;
 169        pnetwork->join_res = 0;
 170
 171        pmlmepriv->num_of_scanned++;
 172
 173exit:
 174        spin_unlock_bh(&free_queue->lock);
 175
 176        return pnetwork;
 177}
 178
 179void _rtw_free_network(struct   mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
 180{
 181        unsigned int delta_time;
 182        u32 lifetime = SCANQUEUE_LIFETIME;
 183/*      _irqL irqL; */
 184        struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
 185
 186        if (pnetwork == NULL)
 187                return;
 188
 189        if (pnetwork->fixed == true)
 190                return;
 191
 192        if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
 193                (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
 194                lifetime = 1;
 195
 196        if (!isfreeall) {
 197                delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
 198                if (delta_time < lifetime)/*  unit:msec */
 199                        return;
 200        }
 201
 202        spin_lock_bh(&free_queue->lock);
 203
 204        list_del_init(&(pnetwork->list));
 205
 206        list_add_tail(&(pnetwork->list), &(free_queue->queue));
 207
 208        pmlmepriv->num_of_scanned--;
 209
 210
 211        /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */
 212
 213        spin_unlock_bh(&free_queue->lock);
 214}
 215
 216void _rtw_free_network_nolock(struct    mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
 217{
 218
 219        struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
 220
 221        if (pnetwork == NULL)
 222                return;
 223
 224        if (pnetwork->fixed == true)
 225                return;
 226
 227        /* spin_lock_irqsave(&free_queue->lock, irqL); */
 228
 229        list_del_init(&(pnetwork->list));
 230
 231        list_add_tail(&(pnetwork->list), get_list_head(free_queue));
 232
 233        pmlmepriv->num_of_scanned--;
 234
 235        /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
 236}
 237
 238/*
 239        return the wlan_network with the matching addr
 240
 241        Shall be called under atomic context... to avoid possible racing condition...
 242*/
 243struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
 244{
 245        struct list_head        *phead, *plist;
 246        struct  wlan_network *pnetwork = NULL;
 247        u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
 248
 249        if (!memcmp(zero_addr, addr, ETH_ALEN)) {
 250                pnetwork = NULL;
 251                goto exit;
 252        }
 253
 254        /* spin_lock_bh(&scanned_queue->lock); */
 255
 256        phead = get_list_head(scanned_queue);
 257        plist = get_next(phead);
 258
 259        while (plist != phead) {
 260                pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 261
 262                if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
 263                        break;
 264
 265                plist = get_next(plist);
 266        }
 267
 268        if (plist == phead)
 269                pnetwork = NULL;
 270
 271        /* spin_unlock_bh(&scanned_queue->lock); */
 272
 273exit:
 274        return pnetwork;
 275}
 276
 277void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
 278{
 279        struct list_head *phead, *plist;
 280        struct wlan_network *pnetwork;
 281        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 282        struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
 283
 284        spin_lock_bh(&scanned_queue->lock);
 285
 286        phead = get_list_head(scanned_queue);
 287        plist = get_next(phead);
 288
 289        while (phead != plist) {
 290
 291                pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 292
 293                plist = get_next(plist);
 294
 295                _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
 296
 297        }
 298
 299        spin_unlock_bh(&scanned_queue->lock);
 300}
 301
 302
 303
 304
 305sint rtw_if_up(struct adapter *padapter)
 306{
 307
 308        sint res;
 309
 310        if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
 311                (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
 312                RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
 313                res = false;
 314        } else
 315                res =  true;
 316        return res;
 317}
 318
 319
 320void rtw_generate_random_ibss(u8 *pibss)
 321{
 322        unsigned long curtime = jiffies;
 323
 324        pibss[0] = 0x02;  /* in ad-hoc mode bit1 must set to 1 */
 325        pibss[1] = 0x11;
 326        pibss[2] = 0x87;
 327        pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
 328        pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
 329        pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
 330        return;
 331}
 332
 333u8 *rtw_get_capability_from_ie(u8 *ie)
 334{
 335        return (ie + 8 + 2);
 336}
 337
 338
 339u16 rtw_get_capability(struct wlan_bssid_ex *bss)
 340{
 341        __le16  val;
 342
 343        memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
 344
 345        return le16_to_cpu(val);
 346}
 347
 348u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
 349{
 350        return (ie + 8);
 351}
 352
 353
 354int     rtw_init_mlme_priv(struct adapter *padapter)/* struct   mlme_priv *pmlmepriv) */
 355{
 356        int     res;
 357
 358        res = _rtw_init_mlme_priv(padapter);/*  (pmlmepriv); */
 359        return res;
 360}
 361
 362void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
 363{
 364        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
 365        _rtw_free_mlme_priv(pmlmepriv);
 366}
 367
 368/*
 369static struct   wlan_network *rtw_dequeue_network(struct __queue *queue)
 370{
 371        struct wlan_network *pnetwork;
 372
 373        pnetwork = _rtw_dequeue_network(queue);
 374        return pnetwork;
 375}
 376*/
 377
 378struct  wlan_network *rtw_alloc_network(struct  mlme_priv *pmlmepriv);
 379struct  wlan_network *rtw_alloc_network(struct  mlme_priv *pmlmepriv)/* _queue  *free_queue) */
 380{
 381        struct  wlan_network    *pnetwork;
 382
 383        pnetwork = _rtw_alloc_network(pmlmepriv);
 384        return pnetwork;
 385}
 386
 387void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
 388void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
 389{
 390        /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */
 391        _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
 392        rtw_cfg80211_unlink_bss(padapter, pnetwork);
 393}
 394
 395
 396void rtw_free_network_queue(struct adapter *dev, u8 isfreeall)
 397{
 398        _rtw_free_network_queue(dev, isfreeall);
 399}
 400
 401/*
 402        return the wlan_network with the matching addr
 403
 404        Shall be called under atomic context... to avoid possible racing condition...
 405*/
 406struct  wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
 407{
 408        struct  wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
 409
 410        return pnetwork;
 411}
 412
 413int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
 414{
 415        int ret = true;
 416        struct security_priv *psecuritypriv = &adapter->securitypriv;
 417
 418        if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
 419                    (pnetwork->network.Privacy == 0))
 420                ret = false;
 421        else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
 422                 (pnetwork->network.Privacy == 1))
 423                ret = false;
 424        else
 425                ret = true;
 426
 427        return ret;
 428
 429}
 430
 431inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
 432{
 433        /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */
 434        /*              a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */
 435        return (a->Ssid.SsidLength == b->Ssid.SsidLength)
 436                &&  !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
 437}
 438
 439int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
 440{
 441        u16 s_cap, d_cap;
 442        __le16 tmps, tmpd;
 443
 444        if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
 445                        return false;
 446
 447        memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
 448        memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
 449
 450
 451        s_cap = le16_to_cpu(tmps);
 452        d_cap = le16_to_cpu(tmpd);
 453
 454        return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
 455                /*      (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
 456                        ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
 457                        ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
 458                        ((s_cap & WLAN_CAPABILITY_IBSS) ==
 459                        (d_cap & WLAN_CAPABILITY_IBSS)) &&
 460                        ((s_cap & WLAN_CAPABILITY_BSS) ==
 461                        (d_cap & WLAN_CAPABILITY_BSS)));
 462
 463}
 464
 465struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
 466{
 467        struct list_head *phead, *plist;
 468        struct wlan_network *found = NULL;
 469
 470        phead = get_list_head(scanned_queue);
 471        plist = get_next(phead);
 472
 473        while (plist != phead) {
 474                found = LIST_CONTAINOR(plist, struct wlan_network, list);
 475
 476                if (is_same_network(&network->network, &found->network, 0))
 477                        break;
 478
 479                plist = get_next(plist);
 480        }
 481
 482        if (plist == phead)
 483                found = NULL;
 484
 485        return found;
 486}
 487
 488struct  wlan_network    *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
 489{
 490        struct list_head        *plist, *phead;
 491
 492
 493        struct  wlan_network    *pwlan = NULL;
 494        struct  wlan_network    *oldest = NULL;
 495
 496        phead = get_list_head(scanned_queue);
 497
 498        plist = get_next(phead);
 499
 500        while (1) {
 501
 502                if (phead == plist)
 503                        break;
 504
 505                pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
 506
 507                if (pwlan->fixed != true) {
 508                        if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
 509                                oldest = pwlan;
 510                }
 511
 512                plist = get_next(plist);
 513        }
 514        return oldest;
 515
 516}
 517
 518void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
 519        struct adapter *padapter, bool update_ie)
 520{
 521        long rssi_ori = dst->Rssi;
 522
 523        u8 sq_smp = src->PhyInfo.SignalQuality;
 524
 525        u8 ss_final;
 526        u8 sq_final;
 527        long rssi_final;
 528
 529        #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
 530        if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
 531                DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n"
 532                        , FUNC_ADPT_ARG(padapter)
 533                        , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
 534                        , ss_ori, sq_ori, rssi_ori
 535                        , ss_smp, sq_smp, rssi_smp
 536                );
 537        }
 538        #endif
 539
 540        /* The rule below is 1/5 for sample value, 4/5 for history value */
 541        if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
 542                /* Take the recvpriv's value for the connected AP*/
 543                ss_final = padapter->recvpriv.signal_strength;
 544                sq_final = padapter->recvpriv.signal_qual;
 545                /* the rssi value here is undecorated, and will be used for antenna diversity */
 546                if (sq_smp != 101) /* from the right channel */
 547                        rssi_final = (src->Rssi+dst->Rssi*4)/5;
 548                else
 549                        rssi_final = rssi_ori;
 550        } else {
 551                if (sq_smp != 101) { /* from the right channel */
 552                        ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
 553                        sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
 554                        rssi_final = (src->Rssi+dst->Rssi*4)/5;
 555                } else {
 556                        /* bss info not receiving from the right channel, use the original RX signal infos */
 557                        ss_final = dst->PhyInfo.SignalStrength;
 558                        sq_final = dst->PhyInfo.SignalQuality;
 559                        rssi_final = dst->Rssi;
 560                }
 561
 562        }
 563
 564        if (update_ie) {
 565                dst->Reserved[0] = src->Reserved[0];
 566                dst->Reserved[1] = src->Reserved[1];
 567                memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
 568        }
 569
 570        dst->PhyInfo.SignalStrength = ss_final;
 571        dst->PhyInfo.SignalQuality = sq_final;
 572        dst->Rssi = rssi_final;
 573
 574        #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
 575        if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
 576                DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
 577                        , FUNC_ADPT_ARG(padapter)
 578                        , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
 579        }
 580        #endif
 581}
 582
 583static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
 584{
 585        struct  mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 586
 587        rtw_bug_check(&(pmlmepriv->cur_network.network),
 588                &(pmlmepriv->cur_network.network),
 589                &(pmlmepriv->cur_network.network),
 590                &(pmlmepriv->cur_network.network));
 591
 592        if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
 593                /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */
 594
 595                /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */
 596                {
 597                        update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
 598                        rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
 599                                                                        pmlmepriv->cur_network.network.IELength);
 600                }
 601        }
 602}
 603
 604
 605/*
 606
 607Caller must hold pmlmepriv->lock first.
 608
 609
 610*/
 611void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
 612{
 613        struct list_head        *plist, *phead;
 614        u32 bssid_ex_sz;
 615        struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 616        struct __queue  *queue  = &(pmlmepriv->scanned_queue);
 617        struct wlan_network     *pnetwork = NULL;
 618        struct wlan_network     *oldest = NULL;
 619        int target_find = 0;
 620        u8 feature = 0;
 621
 622        spin_lock_bh(&queue->lock);
 623        phead = get_list_head(queue);
 624        plist = get_next(phead);
 625
 626        while (1) {
 627                if (phead == plist)
 628                        break;
 629
 630                pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
 631
 632                rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
 633
 634                if (is_same_network(&(pnetwork->network), target, feature)) {
 635                        target_find = 1;
 636                        break;
 637                }
 638
 639                if (rtw_roam_flags(adapter)) {
 640                        /* TODO: don't  select netowrk in the same ess as oldest if it's new enough*/
 641                }
 642
 643                if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
 644                        oldest = pnetwork;
 645
 646                plist = get_next(plist);
 647
 648        }
 649
 650
 651        /* If we didn't find a match, then get a new network slot to initialize
 652         * with this beacon's information */
 653        /* if (phead == plist) { */
 654        if (!target_find) {
 655                if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
 656                        /* If there are no more slots, expire the oldest */
 657                        /* list_del_init(&oldest->list); */
 658                        pnetwork = oldest;
 659                        if (pnetwork == NULL) {
 660                                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
 661                                goto exit;
 662                        }
 663                        memcpy(&(pnetwork->network), target,  get_wlan_bssid_ex_sz(target));
 664                        /*  variable initialize */
 665                        pnetwork->fixed = false;
 666                        pnetwork->last_scanned = jiffies;
 667
 668                        pnetwork->network_type = 0;
 669                        pnetwork->aid = 0;
 670                        pnetwork->join_res = 0;
 671
 672                        /* bss info not receiving from the right channel */
 673                        if (pnetwork->network.PhyInfo.SignalQuality == 101)
 674                                pnetwork->network.PhyInfo.SignalQuality = 0;
 675                } else {
 676                        /* Otherwise just pull from the free list */
 677
 678                        pnetwork = rtw_alloc_network(pmlmepriv); /*  will update scan_time */
 679
 680                        if (pnetwork == NULL) {
 681                                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
 682                                goto exit;
 683                        }
 684
 685                        bssid_ex_sz = get_wlan_bssid_ex_sz(target);
 686                        target->Length = bssid_ex_sz;
 687                        memcpy(&(pnetwork->network), target, bssid_ex_sz);
 688
 689                        pnetwork->last_scanned = jiffies;
 690
 691                        /* bss info not receiving from the right channel */
 692                        if (pnetwork->network.PhyInfo.SignalQuality == 101)
 693                                pnetwork->network.PhyInfo.SignalQuality = 0;
 694
 695                        list_add_tail(&(pnetwork->list), &(queue->queue));
 696
 697                }
 698        } else {
 699                /* we have an entry and we are going to update it. But this entry may
 700                 * be already expired. In this case we do the same as we found a new
 701                 * net and call the new_net handler
 702                 */
 703                bool update_ie = true;
 704
 705                pnetwork->last_scanned = jiffies;
 706
 707                /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
 708                if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
 709                        update_ie = false;
 710
 711                /*  probe resp(3) > beacon(1) > probe req(2) */
 712                if ((target->Reserved[0] != 2) &&
 713                        (target->Reserved[0] >= pnetwork->network.Reserved[0])
 714                        ) {
 715                        update_ie = true;
 716                } else {
 717                        update_ie = false;
 718                }
 719
 720                update_network(&(pnetwork->network), target, adapter, update_ie);
 721        }
 722
 723exit:
 724        spin_unlock_bh(&queue->lock);
 725}
 726
 727void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
 728void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
 729{
 730        /* struct __queue       *queue  = &(pmlmepriv->scanned_queue); */
 731
 732        /* spin_lock_bh(&queue->lock); */
 733
 734        update_current_network(adapter, pnetwork);
 735
 736        rtw_update_scanned_network(adapter, pnetwork);
 737
 738        /* spin_unlock_bh(&queue->lock); */
 739}
 740
 741/* select the desired network based on the capability of the (i)bss. */
 742/*  check items: (1) security */
 743/*                         (2) network_type */
 744/*                         (3) WMM */
 745/*                         (4) HT */
 746/*                      (5) others */
 747int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
 748int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
 749{
 750        struct security_priv *psecuritypriv = &adapter->securitypriv;
 751        struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
 752        u32 desired_encmode;
 753        u32 privacy;
 754
 755        /* u8 wps_ie[512]; */
 756        uint wps_ielen;
 757
 758        int bselected = true;
 759
 760        desired_encmode = psecuritypriv->ndisencryptstatus;
 761        privacy = pnetwork->network.Privacy;
 762
 763        if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
 764                if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
 765                        return true;
 766                else
 767                        return false;
 768
 769        }
 770        if (adapter->registrypriv.wifi_spec == 1) { /* for  correct flow of 8021X  to do.... */
 771                u8 *p = NULL;
 772                uint ie_len = 0;
 773
 774                if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
 775            bselected = false;
 776
 777                if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
 778                        p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
 779                        if (p && ie_len > 0) {
 780                                bselected = true;
 781                        } else {
 782                                bselected = false;
 783                        }
 784                }
 785        }
 786
 787
 788        if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
 789                DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
 790                bselected = false;
 791        }
 792
 793        if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
 794                if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
 795                        bselected = false;
 796        }
 797
 798
 799        return bselected;
 800}
 801
 802/* TODO: Perry : For Power Management */
 803void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
 804{
 805        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
 806}
 807
 808
 809void rtw_survey_event_callback(struct adapter   *adapter, u8 *pbuf)
 810{
 811        u32 len;
 812        struct wlan_bssid_ex *pnetwork;
 813        struct  mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 814
 815        pnetwork = (struct wlan_bssid_ex *)pbuf;
 816
 817        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n",  pnetwork->Ssid.Ssid));
 818
 819        len = get_wlan_bssid_ex_sz(pnetwork);
 820        if (len > (sizeof(struct wlan_bssid_ex))) {
 821                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
 822                return;
 823        }
 824
 825
 826        spin_lock_bh(&pmlmepriv->lock);
 827
 828        /*  update IBSS_network 's timestamp */
 829        if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
 830                /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */
 831                if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
 832                        struct wlan_network *ibss_wlan = NULL;
 833
 834                        memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
 835                        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
 836                        ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue,  pnetwork->MacAddress);
 837                        if (ibss_wlan) {
 838                                memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
 839                                spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
 840                                goto exit;
 841                        }
 842                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
 843                }
 844        }
 845
 846        /*  lock pmlmepriv->lock when you accessing network_q */
 847        if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
 848                if (pnetwork->Ssid.Ssid[0] == 0) {
 849                        pnetwork->Ssid.SsidLength = 0;
 850                }
 851                rtw_add_network(adapter, pnetwork);
 852        }
 853
 854exit:
 855
 856        spin_unlock_bh(&pmlmepriv->lock);
 857
 858        return;
 859}
 860
 861
 862
 863void rtw_surveydone_event_callback(struct adapter       *adapter, u8 *pbuf)
 864{
 865        u8 timer_cancelled = false;
 866        struct  mlme_priv *pmlmepriv = &(adapter->mlmepriv);
 867
 868        spin_lock_bh(&pmlmepriv->lock);
 869        if (pmlmepriv->wps_probe_req_ie) {
 870                pmlmepriv->wps_probe_req_ie_len = 0;
 871                kfree(pmlmepriv->wps_probe_req_ie);
 872                pmlmepriv->wps_probe_req_ie = NULL;
 873        }
 874
 875        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
 876
 877        if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
 878                /* u8 timer_cancelled; */
 879
 880                timer_cancelled = true;
 881                /* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */
 882
 883                _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 884        } else {
 885
 886                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
 887        }
 888        spin_unlock_bh(&pmlmepriv->lock);
 889
 890        if (timer_cancelled)
 891                _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
 892
 893
 894        spin_lock_bh(&pmlmepriv->lock);
 895
 896        rtw_set_signal_stat_timer(&adapter->recvpriv);
 897
 898        if (pmlmepriv->to_join == true) {
 899                if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
 900                        if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
 901                                set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 902
 903                                if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
 904                                        _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
 905                                } else{
 906                                        struct wlan_bssid_ex    *pdev_network = &(adapter->registrypriv.dev_network);
 907                                        u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
 908
 909                                        /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
 910                                        _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 911
 912                                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
 913
 914                                        memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
 915
 916                                        rtw_update_registrypriv_dev_network(adapter);
 917                                        rtw_generate_random_ibss(pibss);
 918
 919                                        pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
 920
 921                                        if (rtw_createbss_cmd(adapter) != _SUCCESS) {
 922                                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
 923                                        }
 924
 925                                        pmlmepriv->to_join = false;
 926                                }
 927                        }
 928                } else{
 929                        int s_ret;
 930                        set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
 931                        pmlmepriv->to_join = false;
 932                        s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
 933                        if (_SUCCESS == s_ret) {
 934                             _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
 935                        } else if (s_ret == 2) {/* there is no need to wait for join */
 936                                _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 937                                rtw_indicate_connect(adapter);
 938                        } else{
 939                                DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
 940
 941                                if (rtw_to_roam(adapter) != 0) {
 942                                        if (rtw_dec_to_roam(adapter) == 0
 943                                                || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
 944                                        ) {
 945                                                rtw_set_to_roam(adapter, 0);
 946#ifdef CONFIG_INTEL_WIDI
 947                                                if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
 948                                                        memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
 949                                                        intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
 950                                                        DBG_871X("change to widi listen\n");
 951                                                }
 952#endif /*  CONFIG_INTEL_WIDI */
 953                                                rtw_free_assoc_resources(adapter, 1);
 954                                                rtw_indicate_disconnect(adapter);
 955                                        } else {
 956                                                pmlmepriv->to_join = true;
 957                                        }
 958                                } else
 959                                        rtw_indicate_disconnect(adapter);
 960
 961                                _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
 962                        }
 963                }
 964        } else {
 965                if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
 966                        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
 967                                && check_fwstate(pmlmepriv, _FW_LINKED)) {
 968                                if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
 969                                        receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
 970                                                , WLAN_REASON_ACTIVE_ROAM);
 971                                }
 972                        }
 973                }
 974        }
 975
 976        /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
 977
 978        spin_unlock_bh(&pmlmepriv->lock);
 979
 980        rtw_os_xmit_schedule(adapter);
 981
 982        rtw_cfg80211_surveydone_event_callback(adapter);
 983
 984        rtw_indicate_scan_done(adapter, false);
 985}
 986
 987void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
 988{
 989}
 990
 991void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
 992{
 993}
 994
 995static void free_scanqueue(struct       mlme_priv *pmlmepriv)
 996{
 997        struct __queue *free_queue = &pmlmepriv->free_bss_pool;
 998        struct __queue *scan_queue = &pmlmepriv->scanned_queue;
 999        struct list_head        *plist, *phead, *ptemp;
1000
1001        RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
1002        spin_lock_bh(&scan_queue->lock);
1003        spin_lock_bh(&free_queue->lock);
1004
1005        phead = get_list_head(scan_queue);
1006        plist = get_next(phead);
1007
1008        while (plist != phead) {
1009                ptemp = get_next(plist);
1010                list_del_init(plist);
1011                list_add_tail(plist, &free_queue->queue);
1012                plist = ptemp;
1013                pmlmepriv->num_of_scanned--;
1014        }
1015
1016        spin_unlock_bh(&free_queue->lock);
1017        spin_unlock_bh(&scan_queue->lock);
1018}
1019
1020static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
1021{
1022        pdbgpriv->dbg_rx_ampdu_drop_count = 0;
1023        pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
1024        pdbgpriv->dbg_rx_ampdu_loss_count = 0;
1025        pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
1026        pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
1027}
1028
1029static void find_network(struct adapter *adapter)
1030{
1031        struct wlan_network *pwlan = NULL;
1032        struct  mlme_priv *pmlmepriv = &adapter->mlmepriv;
1033        struct wlan_network *tgt_network = &pmlmepriv->cur_network;
1034
1035        pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1036        if (pwlan)
1037                pwlan->fixed = false;
1038        else
1039                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
1040
1041
1042        if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
1043            (adapter->stapriv.asoc_sta_count == 1))
1044                rtw_free_network_nolock(adapter, pwlan);
1045}
1046
1047/*
1048*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
1049*/
1050void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
1051{
1052        struct  mlme_priv *pmlmepriv = &adapter->mlmepriv;
1053        struct wlan_network *tgt_network = &pmlmepriv->cur_network;
1054        struct  sta_priv *pstapriv = &adapter->stapriv;
1055        struct dvobj_priv *psdpriv = adapter->dvobj;
1056        struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1057
1058        RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
1059        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
1060                MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
1061
1062        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
1063                struct sta_info *psta;
1064
1065                psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
1066                spin_lock_bh(&(pstapriv->sta_hash_lock));
1067                rtw_free_stainfo(adapter,  psta);
1068
1069                spin_unlock_bh(&(pstapriv->sta_hash_lock));
1070
1071        }
1072
1073        if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
1074                struct sta_info *psta;
1075
1076                rtw_free_all_stainfo(adapter);
1077
1078                psta = rtw_get_bcmc_stainfo(adapter);
1079                rtw_free_stainfo(adapter, psta);
1080
1081                rtw_init_bcmc_stainfo(adapter);
1082        }
1083
1084        find_network(adapter);
1085
1086        if (lock_scanned_queue)
1087                adapter->securitypriv.key_mask = 0;
1088
1089        rtw_reset_rx_info(pdbgpriv);
1090}
1091
1092/*
1093*rtw_indicate_connect: the caller has to lock pmlmepriv->lock
1094*/
1095void rtw_indicate_connect(struct adapter *padapter)
1096{
1097        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1098
1099        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
1100
1101        pmlmepriv->to_join = false;
1102
1103        if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1104
1105                set_fwstate(pmlmepriv, _FW_LINKED);
1106
1107                rtw_os_indicate_connect(padapter);
1108        }
1109
1110        rtw_set_to_roam(padapter, 0);
1111#ifdef CONFIG_INTEL_WIDI
1112        if (padapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
1113                memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
1114                intel_widi_wk_cmd(padapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
1115                DBG_871X("change to widi listen\n");
1116        }
1117#endif /*  CONFIG_INTEL_WIDI */
1118
1119        rtw_set_scan_deny(padapter, 3000);
1120
1121        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
1122}
1123
1124/*
1125*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
1126*/
1127void rtw_indicate_disconnect(struct adapter *padapter)
1128{
1129        struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
1130
1131        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
1132
1133        _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
1134
1135        /* DBG_871X("clear wps when %s\n", __func__); */
1136
1137        if (rtw_to_roam(padapter) > 0)
1138                _clr_fwstate_(pmlmepriv, _FW_LINKED);
1139
1140        if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
1141                || (rtw_to_roam(padapter) <= 0)
1142        ) {
1143                rtw_os_indicate_disconnect(padapter);
1144
1145                /* set ips_deny_time to avoid enter IPS before LPS leave */
1146                rtw_set_ips_deny(padapter, 3000);
1147
1148                _clr_fwstate_(pmlmepriv, _FW_LINKED);
1149
1150                rtw_clear_scan_deny(padapter);
1151        }
1152
1153        rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
1154}
1155
1156inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
1157{
1158        DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1159
1160        rtw_os_indicate_scan_done(padapter, aborted);
1161
1162        if (is_primary_adapter(padapter) &&
1163            (!adapter_to_pwrctl(padapter)->bInSuspend) &&
1164            (!check_fwstate(&padapter->mlmepriv,
1165                            WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
1166                struct pwrctrl_priv *pwrpriv;
1167
1168                pwrpriv = adapter_to_pwrctl(padapter);
1169                rtw_set_ips_deny(padapter, 0);
1170                _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
1171        }
1172}
1173
1174void rtw_scan_abort(struct adapter *adapter)
1175{
1176        unsigned long start;
1177        struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1178        struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1179
1180        start = jiffies;
1181        pmlmeext->scan_abort = true;
1182        while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1183                && jiffies_to_msecs(start) <= 200) {
1184
1185                if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1186                        break;
1187
1188                DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1189                msleep(20);
1190        }
1191
1192        if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
1193                if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
1194                        DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1195                rtw_indicate_scan_done(adapter, true);
1196        }
1197        pmlmeext->scan_abort = false;
1198}
1199
1200static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1201{
1202        int i;
1203        struct sta_info *bmc_sta, *psta = NULL;
1204        struct recv_reorder_ctrl *preorder_ctrl;
1205        struct sta_priv *pstapriv = &padapter->stapriv;
1206        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1207
1208        psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
1209        if (psta == NULL) {
1210                psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
1211        }
1212
1213        if (psta) { /* update ptarget_sta */
1214
1215                DBG_871X("%s\n", __func__);
1216
1217                psta->aid  = pnetwork->join_res;
1218
1219                update_sta_info(padapter, psta);
1220
1221                /* update station supportRate */
1222                psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
1223                memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
1224                rtw_hal_update_sta_rate_mask(padapter, psta);
1225
1226                psta->wireless_mode = pmlmeext->cur_wireless_mode;
1227                psta->raid = rtw_hal_networktype_to_raid(padapter, psta);
1228
1229
1230                /* sta mode */
1231                rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1232
1233                /* security related */
1234                if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1235                        padapter->securitypriv.binstallGrpkey = false;
1236                        padapter->securitypriv.busetkipkey = false;
1237                        padapter->securitypriv.bgrpkey_handshake = false;
1238
1239                        psta->ieee8021x_blocked = true;
1240                        psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1241
1242                        memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1243
1244                        memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1245                        memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1246
1247                        memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1248                        psta->dot11txpn.val = psta->dot11txpn.val + 1;
1249                        memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1250                        memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1251                }
1252
1253                /*      Commented by Albert 2012/07/21 */
1254                /*      When doing the WPS, the wps_ie_len won't equal to 0 */
1255                /*      And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
1256                if (padapter->securitypriv.wps_ie_len != 0) {
1257                        psta->ieee8021x_blocked = true;
1258                        padapter->securitypriv.wps_ie_len = 0;
1259                }
1260
1261
1262                /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1263                /* if A-MPDU Rx is enabled, resetting  rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1264                /* todo: check if AP can send A-MPDU packets */
1265                for (i = 0; i < 16 ; i++) {
1266                        /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1267                        preorder_ctrl = &psta->recvreorder_ctrl[i];
1268                        preorder_ctrl->enable = false;
1269                        preorder_ctrl->indicate_seq = 0xffff;
1270                        #ifdef DBG_RX_SEQ
1271                        DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1272                                preorder_ctrl->indicate_seq);
1273                        #endif
1274                        preorder_ctrl->wend_b = 0xffff;
1275                        preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1276                }
1277
1278
1279                bmc_sta = rtw_get_bcmc_stainfo(padapter);
1280                if (bmc_sta) {
1281                        for (i = 0; i < 16 ; i++) {
1282                                /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1283                                preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1284                                preorder_ctrl->enable = false;
1285                                preorder_ctrl->indicate_seq = 0xffff;
1286                                #ifdef DBG_RX_SEQ
1287                                DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1288                                        preorder_ctrl->indicate_seq);
1289                                #endif
1290                                preorder_ctrl->wend_b = 0xffff;
1291                                preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1292                        }
1293                }
1294        }
1295
1296        return psta;
1297
1298}
1299
1300/* pnetwork : returns from rtw_joinbss_event_callback */
1301/* ptarget_wlan: found from scanned_queue */
1302static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network  *pnetwork)
1303{
1304        struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1305        struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
1306
1307        DBG_871X("%s\n", __func__);
1308
1309        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
1310                , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
1311
1312
1313        /*  why not use ptarget_wlan?? */
1314        memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1315        /*  some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1316        cur_network->network.IELength = ptarget_wlan->network.IELength;
1317        memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1318
1319        cur_network->aid = pnetwork->join_res;
1320
1321
1322        rtw_set_signal_stat_timer(&padapter->recvpriv);
1323
1324        padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1325        padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1326        /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1327        padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1328        #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
1329                DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
1330                        "\n"
1331                        , FUNC_ADPT_ARG(padapter)
1332                        , padapter->recvpriv.signal_strength
1333                        , padapter->recvpriv.rssi
1334                        , padapter->recvpriv.signal_qual
1335        );
1336        #endif
1337
1338        rtw_set_signal_stat_timer(&padapter->recvpriv);
1339
1340        /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1341        switch (pnetwork->network.InfrastructureMode) {
1342        case Ndis802_11Infrastructure:
1343
1344                        if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1345                                pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1346                        else
1347                                pmlmepriv->fw_state = WIFI_STATION_STATE;
1348
1349                        break;
1350        case Ndis802_11IBSS:
1351                        pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1352                        break;
1353        default:
1354                        pmlmepriv->fw_state = WIFI_NULL_STATE;
1355                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1356                        break;
1357        }
1358
1359        rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
1360                                                                        (cur_network->network.IELength));
1361
1362        rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
1363}
1364
1365/* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1366/* pnetwork : returns from rtw_joinbss_event_callback */
1367/* ptarget_wlan: found from scanned_queue */
1368/* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if  "ptarget_sta" & "ptarget_wlan" exist. */
1369/* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1370/* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1371/*  */
1372/* define REJOIN */
1373void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1374{
1375        static u8 retry;
1376        u8 timer_cancelled;
1377        struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1378        struct  sta_priv *pstapriv = &adapter->stapriv;
1379        struct  mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1380        struct wlan_network     *pnetwork       = (struct wlan_network *)pbuf;
1381        struct wlan_network     *cur_network = &(pmlmepriv->cur_network);
1382        struct wlan_network     *pcur_wlan = NULL, *ptarget_wlan = NULL;
1383        unsigned int            the_same_macaddr = false;
1384
1385        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
1386
1387        rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1388
1389
1390        if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1391                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@   joinbss event call back  for Any SSid\n"));
1392        } else{
1393                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@   rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1394        }
1395
1396        the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1397
1398        pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1399        if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1400                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1401                return;
1402        }
1403
1404        spin_lock_bh(&pmlmepriv->lock);
1405
1406        pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1407        pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1408
1409        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
1410
1411        if (pnetwork->join_res > 0) {
1412                spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1413                retry = 0;
1414                if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1415                        /* s1. find ptarget_wlan */
1416                        if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1417                                if (the_same_macaddr == true) {
1418                                        ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1419                                } else{
1420                                        pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1421                                        if (pcur_wlan)
1422                                                pcur_wlan->fixed = false;
1423
1424                                        pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1425                                        if (pcur_sta)
1426                                                rtw_free_stainfo(adapter,  pcur_sta);
1427
1428                                        ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1429                                        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1430                                                if (ptarget_wlan)
1431                                                        ptarget_wlan->fixed = true;
1432                                        }
1433                                }
1434
1435                        } else{
1436                                ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1437                                if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1438                                        if (ptarget_wlan)
1439                                                ptarget_wlan->fixed = true;
1440                                }
1441                        }
1442
1443                        /* s2. update cur_network */
1444                        if (ptarget_wlan) {
1445                                rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1446                        } else{
1447                                DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
1448                                spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1449                                goto ignore_joinbss_callback;
1450                        }
1451
1452
1453                        /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1454                        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1455                                ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1456                                if (ptarget_sta == NULL) {
1457                                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1458                                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1459                                        goto ignore_joinbss_callback;
1460                                }
1461                        }
1462
1463                        /* s4. indicate connect */
1464                        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1465                                pmlmepriv->cur_network_scanned = ptarget_wlan;
1466                                rtw_indicate_connect(adapter);
1467                        } else{
1468                                /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1469                                RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1470                        }
1471
1472
1473                        /* s5. Cancel assoc_timer */
1474                        _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1475
1476                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
1477
1478                } else{
1479                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1480                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1481                        goto ignore_joinbss_callback;
1482                }
1483
1484                spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1485
1486        } else if (pnetwork->join_res == -4) {
1487                rtw_reset_securitypriv(adapter);
1488                _set_timer(&pmlmepriv->assoc_timer, 1);
1489
1490                /* rtw_free_assoc_resources(adapter, 1); */
1491
1492                if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1493                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
1494                        _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1495                }
1496
1497        } else{/* if join_res < 0 (join fails), then try again */
1498
1499                #ifdef REJOIN
1500                res = _FAIL;
1501                if (retry < 2) {
1502                        res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1503                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
1504                }
1505
1506                if (res == _SUCCESS) {
1507                        /* extend time of assoc_timer */
1508                        _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1509                        retry++;
1510                } else if (res == 2) {/* there is no need to wait for join */
1511                        _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1512                        rtw_indicate_connect(adapter);
1513                } else{
1514                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
1515                #endif
1516
1517                        _set_timer(&pmlmepriv->assoc_timer, 1);
1518                        /* rtw_free_assoc_resources(adapter, 1); */
1519                        _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1520
1521                #ifdef REJOIN
1522                        retry = 0;
1523                }
1524                #endif
1525        }
1526
1527ignore_joinbss_callback:
1528
1529        spin_unlock_bh(&pmlmepriv->lock);
1530}
1531
1532void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1533{
1534        struct wlan_network     *pnetwork       = (struct wlan_network *)pbuf;
1535
1536        mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1537
1538        rtw_os_xmit_schedule(adapter);
1539}
1540
1541/* FOR STA, AP , AD-HOC mode */
1542void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1543{
1544        u16 media_status_rpt;
1545
1546        if (psta == NULL)
1547                return;
1548
1549        media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /*   MACID|OPMODE:1 connect */
1550        rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1551}
1552
1553void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1554{
1555        struct sta_info *psta;
1556        struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1557        struct stassoc_event    *pstassoc       = (struct stassoc_event *)pbuf;
1558        struct wlan_network     *cur_network = &(pmlmepriv->cur_network);
1559        struct wlan_network     *ptarget_wlan = NULL;
1560
1561        if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1562                return;
1563
1564        if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1565                psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1566                if (psta) {
1567                        u8 *passoc_req = NULL;
1568                        u32 assoc_req_len = 0;
1569
1570                        rtw_sta_media_status_rpt(adapter, psta, 1);
1571
1572#ifndef CONFIG_AUTO_AP_MODE
1573
1574                        ap_sta_info_defer_update(adapter, psta);
1575
1576                        /* report to upper layer */
1577                        DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
1578                        spin_lock_bh(&psta->lock);
1579                        if (psta->passoc_req && psta->assoc_req_len > 0) {
1580                                passoc_req = rtw_zmalloc(psta->assoc_req_len);
1581                                if (passoc_req) {
1582                                        assoc_req_len = psta->assoc_req_len;
1583                                        memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1584
1585                                        kfree(psta->passoc_req);
1586                                        psta->passoc_req = NULL;
1587                                        psta->assoc_req_len = 0;
1588                                }
1589                        }
1590                        spin_unlock_bh(&psta->lock);
1591
1592                        if (passoc_req && assoc_req_len > 0) {
1593                                rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1594
1595                                kfree(passoc_req);
1596                        }
1597#endif /* CONFIG_AUTO_AP_MODE */
1598                }
1599                return;
1600        }
1601
1602        /* for AD-HOC mode */
1603        psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1604        if (psta != NULL) {
1605                /* the sta have been in sta_info_queue => do nothing */
1606
1607                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1608
1609                return; /* between drv has received this event before and  fw have not yet to set key to CAM_ENTRY) */
1610        }
1611
1612        psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1613        if (psta == NULL) {
1614                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1615                return;
1616        }
1617
1618        /* to do : init sta_info variable */
1619        psta->qos_option = 0;
1620        psta->mac_id = (uint)pstassoc->cam_id;
1621        /* psta->aid = (uint)pstassoc->cam_id; */
1622        DBG_871X("%s\n", __func__);
1623        /* for ad-hoc mode */
1624        rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1625
1626        rtw_sta_media_status_rpt(adapter, psta, 1);
1627
1628        if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1629                psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1630
1631
1632        psta->ieee8021x_blocked = false;
1633
1634        spin_lock_bh(&pmlmepriv->lock);
1635
1636        if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1637                (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1638                if (adapter->stapriv.asoc_sta_count == 2) {
1639                        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1640                        ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1641                        pmlmepriv->cur_network_scanned = ptarget_wlan;
1642                        if (ptarget_wlan)
1643                                ptarget_wlan->fixed = true;
1644                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1645                        /*  a sta + bc/mc_stainfo (not Ibss_stainfo) */
1646                        rtw_indicate_connect(adapter);
1647                }
1648        }
1649
1650        spin_unlock_bh(&pmlmepriv->lock);
1651
1652
1653        mlmeext_sta_add_event_callback(adapter, psta);
1654}
1655
1656void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1657{
1658        int mac_id = (-1);
1659        struct sta_info *psta;
1660        struct wlan_network *pwlan = NULL;
1661        struct wlan_bssid_ex    *pdev_network = NULL;
1662        u8 *pibss = NULL;
1663        struct  mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1664        struct  stadel_event *pstadel   = (struct stadel_event *)pbuf;
1665        struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1666        struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1667        struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1668
1669        psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1670        if (psta)
1671                mac_id = psta->mac_id;
1672        else
1673                mac_id = pstadel->mac_id;
1674
1675        DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
1676
1677        if (mac_id >= 0) {
1678                u16 media_status;
1679                media_status = (mac_id<<8)|0; /*   MACID|OPMODE:0 means disconnect */
1680                /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1681                rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1682        }
1683
1684        /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1685        if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1686                return;
1687
1688
1689        mlmeext_sta_del_event_callback(adapter);
1690
1691        spin_lock_bh(&pmlmepriv->lock);
1692
1693        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1694                u16 reason = *((unsigned short *)(pstadel->rsvd));
1695                bool roam = false;
1696                struct wlan_network *roam_target = NULL;
1697
1698                if (adapter->registrypriv.wifi_spec == 1) {
1699                        roam = false;
1700                } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1701                        roam = true;
1702                } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1703                        roam = true;
1704                        roam_target = pmlmepriv->roam_network;
1705                }
1706#ifdef CONFIG_INTEL_WIDI
1707                else if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_CONNECTED) {
1708                        roam = true;
1709                }
1710#endif /*  CONFIG_INTEL_WIDI */
1711
1712                if (roam == true) {
1713                        if (rtw_to_roam(adapter) > 0)
1714                                rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1715                        else if (rtw_to_roam(adapter) == 0)
1716                                rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1717                } else {
1718                        rtw_set_to_roam(adapter, 0);
1719                }
1720
1721                rtw_free_uc_swdec_pending_queue(adapter);
1722
1723                rtw_free_assoc_resources(adapter, 1);
1724                rtw_indicate_disconnect(adapter);
1725
1726                spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1727                /*  remove the network entry in scanned_queue */
1728                pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1729                if (pwlan) {
1730                        pwlan->fixed = false;
1731                        rtw_free_network_nolock(adapter, pwlan);
1732                }
1733                spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1734
1735#ifdef CONFIG_INTEL_WIDI
1736                if (!rtw_to_roam(adapter))
1737                        process_intel_widi_disconnect(adapter, 1);
1738#endif /*  CONFIG_INTEL_WIDI */
1739
1740                _rtw_roaming(adapter, roam_target);
1741        }
1742
1743        if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1744              check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1745
1746                rtw_free_stainfo(adapter,  psta);
1747
1748                if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1749                        /* rtw_indicate_disconnect(adapter);removed@20091105 */
1750                        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1751                        /* free old ibss network */
1752                        /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1753                        pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1754                        if (pwlan) {
1755                                pwlan->fixed = false;
1756                                rtw_free_network_nolock(adapter, pwlan);
1757                        }
1758                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1759                        /* re-create ibss */
1760                        pdev_network = &(adapter->registrypriv.dev_network);
1761                        pibss = adapter->registrypriv.dev_network.MacAddress;
1762
1763                        memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1764
1765                        memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1766
1767                        rtw_update_registrypriv_dev_network(adapter);
1768
1769                        rtw_generate_random_ibss(pibss);
1770
1771                        if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1772                                set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1773                                _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1774                        }
1775
1776                        if (rtw_createbss_cmd(adapter) != _SUCCESS) {
1777
1778                                RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1779
1780                        }
1781
1782
1783                }
1784
1785        }
1786
1787        spin_unlock_bh(&pmlmepriv->lock);
1788}
1789
1790void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1791{
1792        struct reportpwrstate_parm *preportpwrstate;
1793
1794        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1795        preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1796        preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1797        cpwm_int_hdl(padapter, preportpwrstate);
1798}
1799
1800
1801void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1802{
1803        WMMOnAssocRsp(padapter);
1804}
1805
1806/*
1807* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
1808* @adapter: pointer to struct adapter structure
1809*/
1810void _rtw_join_timeout_handler(struct timer_list *t)
1811{
1812        struct adapter *adapter = from_timer(adapter, t,
1813                                                  mlmepriv.assoc_timer);
1814        struct  mlme_priv *pmlmepriv = &adapter->mlmepriv;
1815
1816        DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
1817
1818        if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1819                return;
1820
1821        spin_lock_bh(&pmlmepriv->lock);
1822
1823        if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1824                while (1) {
1825                        rtw_dec_to_roam(adapter);
1826                        if (rtw_to_roam(adapter) != 0) { /* try another */
1827                                int do_join_r;
1828                                DBG_871X("%s try another roaming\n", __func__);
1829                                do_join_r = rtw_do_join(adapter);
1830                                if (_SUCCESS != do_join_r) {
1831                                        DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
1832                                        continue;
1833                                }
1834                                break;
1835                        } else {
1836#ifdef CONFIG_INTEL_WIDI
1837                                if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) {
1838                                        memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN);
1839                                        intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0);
1840                                        DBG_871X("change to widi listen\n");
1841                                }
1842#endif /*  CONFIG_INTEL_WIDI */
1843                                DBG_871X("%s We've try roaming but fail\n", __func__);
1844                                rtw_indicate_disconnect(adapter);
1845                                break;
1846                        }
1847                }
1848
1849        } else{
1850                rtw_indicate_disconnect(adapter);
1851                free_scanqueue(pmlmepriv);/*  */
1852
1853                /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1854                rtw_cfg80211_indicate_disconnect(adapter);
1855
1856        }
1857
1858        spin_unlock_bh(&pmlmepriv->lock);
1859}
1860
1861/*
1862* rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
1863* @adapter: pointer to struct adapter structure
1864*/
1865void rtw_scan_timeout_handler(struct timer_list *t)
1866{
1867        struct adapter *adapter = from_timer(adapter, t,
1868                                                  mlmepriv.scan_to_timer);
1869        struct  mlme_priv *pmlmepriv = &adapter->mlmepriv;
1870
1871        DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1872
1873        spin_lock_bh(&pmlmepriv->lock);
1874
1875        _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1876
1877        spin_unlock_bh(&pmlmepriv->lock);
1878
1879        rtw_indicate_scan_done(adapter, true);
1880}
1881
1882void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1883{
1884        struct mlme_priv *mlme = &adapter->mlmepriv;
1885        struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1886        struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1887
1888        if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1889                mlme->auto_scan_int_ms = 0;
1890        else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1891                mlme->auto_scan_int_ms = 60*1000;
1892        else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1893                if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1894                        mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1895        } else
1896                mlme->auto_scan_int_ms = 0; /* disabled */
1897
1898        return;
1899}
1900
1901static void rtw_auto_scan_handler(struct adapter *padapter)
1902{
1903        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1904
1905        rtw_mlme_reset_auto_scan_int(padapter);
1906
1907        if (pmlmepriv->auto_scan_int_ms != 0
1908                && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1909
1910                if (!padapter->registrypriv.wifi_spec) {
1911                        if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1912                                DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
1913                                goto exit;
1914                        }
1915
1916                        if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1917                                DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
1918                                goto exit;
1919                        }
1920                }
1921
1922                DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1923
1924                rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1925        }
1926
1927exit:
1928        return;
1929}
1930
1931void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1932{
1933        if (!adapter)
1934                return;
1935
1936        if (adapter->hw_init_completed == false)
1937                return;
1938
1939        if ((adapter->bDriverStopped == true) || (adapter->bSurpriseRemoved == true))
1940                return;
1941
1942        if (adapter->net_closed == true)
1943                return;
1944
1945        if (is_primary_adapter(adapter))
1946                DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", rtw_btcoex_IsBtDisabled(adapter), rtw_btcoex_IsBtControlLps(adapter));
1947
1948        if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode == true)
1949                && (rtw_btcoex_IsBtControlLps(adapter) == false)
1950                ) {
1951                u8 bEnterPS;
1952
1953                linked_status_chk(adapter);
1954
1955                bEnterPS = traffic_status_watchdog(adapter, 1);
1956                if (bEnterPS) {
1957                        /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1958                        rtw_hal_dm_watchdog_in_lps(adapter);
1959                } else{
1960                        /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1961                }
1962
1963        } else{
1964                if (is_primary_adapter(adapter)) {
1965                        rtw_dynamic_chk_wk_cmd(adapter);
1966                }
1967        }
1968
1969        /* auto site survey */
1970        rtw_auto_scan_handler(adapter);
1971}
1972
1973
1974inline bool rtw_is_scan_deny(struct adapter *adapter)
1975{
1976        struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1977        return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1978}
1979
1980inline void rtw_clear_scan_deny(struct adapter *adapter)
1981{
1982        struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1983        atomic_set(&mlmepriv->set_scan_deny, 0);
1984
1985        DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1986}
1987
1988void rtw_set_scan_deny_timer_hdl(struct adapter *adapter)
1989{
1990        rtw_clear_scan_deny(adapter);
1991}
1992
1993void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1994{
1995        struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1996
1997        DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1998        atomic_set(&mlmepriv->set_scan_deny, 1);
1999        _set_timer(&mlmepriv->set_scan_deny_timer, ms);
2000}
2001
2002/*
2003* Select a new roaming candidate from the original @param candidate and @param competitor
2004* @return true: candidate is updated
2005* @return false: candidate is not updated
2006*/
2007static int rtw_check_roaming_candidate(struct mlme_priv *mlme
2008        , struct wlan_network **candidate, struct wlan_network *competitor)
2009{
2010        int updated = false;
2011        struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2012
2013        if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
2014                goto exit;
2015
2016        if (rtw_is_desired_network(adapter, competitor) == false)
2017                goto exit;
2018
2019        DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
2020                (competitor == mlme->cur_network_scanned)?"*":" ",
2021                competitor->network.Ssid.Ssid,
2022                MAC_ARG(competitor->network.MacAddress),
2023                competitor->network.Configuration.DSConfig,
2024                (int)competitor->network.Rssi,
2025                jiffies_to_msecs(jiffies - competitor->last_scanned)
2026        );
2027
2028        /* got specific addr to roam */
2029        if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
2030                if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
2031                        goto update;
2032                else
2033                        goto exit;
2034        }
2035        if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
2036                goto exit;
2037
2038        if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
2039                goto exit;
2040
2041        if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
2042                goto exit;
2043
2044update:
2045        *candidate = competitor;
2046        updated = true;
2047
2048exit:
2049        return updated;
2050}
2051
2052int rtw_select_roaming_candidate(struct mlme_priv *mlme)
2053{
2054        int ret = _FAIL;
2055        struct list_head        *phead;
2056        struct adapter *adapter;
2057        struct __queue  *queue  = &(mlme->scanned_queue);
2058        struct  wlan_network    *pnetwork = NULL;
2059        struct  wlan_network    *candidate = NULL;
2060
2061        if (mlme->cur_network_scanned == NULL) {
2062                rtw_warn_on(1);
2063                return ret;
2064        }
2065
2066        spin_lock_bh(&(mlme->scanned_queue.lock));
2067        phead = get_list_head(queue);
2068        adapter = (struct adapter *)mlme->nic_hdl;
2069
2070        mlme->pscanned = get_next(phead);
2071
2072        while (phead != mlme->pscanned) {
2073
2074                pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
2075                if (pnetwork == NULL) {
2076                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2077                        ret = _FAIL;
2078                        goto exit;
2079                }
2080
2081                mlme->pscanned = get_next(mlme->pscanned);
2082
2083                DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2084                        , pnetwork->network.Ssid.Ssid
2085                        , MAC_ARG(pnetwork->network.MacAddress)
2086                        , pnetwork->network.Configuration.DSConfig
2087                        , (int)pnetwork->network.Rssi);
2088
2089                rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
2090
2091        }
2092
2093        if (candidate == NULL) {
2094                DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2095                ret = _FAIL;
2096                goto exit;
2097        } else {
2098                DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2099                        candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2100                        candidate->network.Configuration.DSConfig);
2101
2102                mlme->roam_network = candidate;
2103
2104                if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
2105                        eth_zero_addr(mlme->roam_tgt_addr);
2106        }
2107
2108        ret = _SUCCESS;
2109exit:
2110        spin_unlock_bh(&(mlme->scanned_queue.lock));
2111
2112        return ret;
2113}
2114
2115/*
2116* Select a new join candidate from the original @param candidate and @param competitor
2117* @return true: candidate is updated
2118* @return false: candidate is not updated
2119*/
2120static int rtw_check_join_candidate(struct mlme_priv *mlme
2121        , struct wlan_network **candidate, struct wlan_network *competitor)
2122{
2123        int updated = false;
2124        struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2125
2126
2127        /* check bssid, if needed */
2128        if (mlme->assoc_by_bssid == true) {
2129                if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
2130                        goto exit;
2131        }
2132
2133        /* check ssid, if needed */
2134        if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
2135                if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
2136                        || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
2137                )
2138                        goto exit;
2139        }
2140
2141        if (rtw_is_desired_network(adapter, competitor)  == false)
2142                goto exit;
2143
2144        if (rtw_to_roam(adapter) > 0) {
2145                if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
2146                        || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
2147                )
2148                        goto exit;
2149        }
2150
2151        if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
2152                *candidate = competitor;
2153                updated = true;
2154        }
2155
2156        if (updated) {
2157                DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
2158                        "[to_roam:%u] "
2159                        "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
2160                        mlme->assoc_by_bssid,
2161                        mlme->assoc_ssid.Ssid,
2162                        rtw_to_roam(adapter),
2163                        (*candidate)->network.Ssid.Ssid,
2164                        MAC_ARG((*candidate)->network.MacAddress),
2165                        (*candidate)->network.Configuration.DSConfig,
2166                        (int)(*candidate)->network.Rssi
2167                );
2168        }
2169
2170exit:
2171        return updated;
2172}
2173
2174/*
2175Calling context:
2176The caller of the sub-routine will be in critical section...
2177
2178The caller must hold the following spinlock
2179
2180pmlmepriv->lock
2181
2182
2183*/
2184
2185int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
2186{
2187        int ret;
2188        struct list_head        *phead;
2189        struct adapter *adapter;
2190        struct __queue  *queue  = &(pmlmepriv->scanned_queue);
2191        struct  wlan_network    *pnetwork = NULL;
2192        struct  wlan_network    *candidate = NULL;
2193
2194        adapter = (struct adapter *)pmlmepriv->nic_hdl;
2195
2196        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
2197
2198        if (pmlmepriv->roam_network) {
2199                candidate = pmlmepriv->roam_network;
2200                pmlmepriv->roam_network = NULL;
2201                goto candidate_exist;
2202        }
2203
2204        phead = get_list_head(queue);
2205        pmlmepriv->pscanned = get_next(phead);
2206
2207        while (phead != pmlmepriv->pscanned) {
2208
2209                pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
2210                if (pnetwork == NULL) {
2211                        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2212                        ret = _FAIL;
2213                        goto exit;
2214                }
2215
2216                pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
2217
2218                DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2219                        , pnetwork->network.Ssid.Ssid
2220                        , MAC_ARG(pnetwork->network.MacAddress)
2221                        , pnetwork->network.Configuration.DSConfig
2222                        , (int)pnetwork->network.Rssi);
2223
2224                rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
2225
2226        }
2227
2228        if (candidate == NULL) {
2229                DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2230#ifdef CONFIG_WOWLAN
2231                _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
2232#endif
2233                ret = _FAIL;
2234                goto exit;
2235        } else {
2236                DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2237                        candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2238                        candidate->network.Configuration.DSConfig);
2239                goto candidate_exist;
2240        }
2241
2242candidate_exist:
2243
2244        /*  check for situation of  _FW_LINKED */
2245        if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
2246                DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
2247
2248                rtw_disassoc_cmd(adapter, 0, true);
2249                rtw_indicate_disconnect(adapter);
2250                rtw_free_assoc_resources(adapter, 0);
2251        }
2252
2253        set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
2254        ret = rtw_joinbss_cmd(adapter, candidate);
2255
2256exit:
2257        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
2258        return ret;
2259}
2260
2261sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
2262{
2263        struct  cmd_obj *pcmd;
2264        struct  setauth_parm *psetauthparm;
2265        struct  cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2266        sint            res = _SUCCESS;
2267
2268        pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2269        if (pcmd == NULL) {
2270                res = _FAIL;  /* try again */
2271                goto exit;
2272        }
2273
2274        psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
2275        if (psetauthparm == NULL) {
2276                kfree((unsigned char *)pcmd);
2277                res = _FAIL;
2278                goto exit;
2279        }
2280
2281        memset(psetauthparm, 0, sizeof(struct setauth_parm));
2282        psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
2283
2284        pcmd->cmdcode = _SetAuth_CMD_;
2285        pcmd->parmbuf = (unsigned char *)psetauthparm;
2286        pcmd->cmdsz =  (sizeof(struct setauth_parm));
2287        pcmd->rsp = NULL;
2288        pcmd->rspsz = 0;
2289
2290
2291        INIT_LIST_HEAD(&pcmd->list);
2292
2293        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
2294
2295        res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2296
2297exit:
2298        return res;
2299}
2300
2301sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
2302{
2303        u8 keylen;
2304        struct cmd_obj          *pcmd;
2305        struct setkey_parm      *psetkeyparm;
2306        struct cmd_priv         *pcmdpriv = &(adapter->cmdpriv);
2307        sint    res = _SUCCESS;
2308
2309        psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
2310        if (psetkeyparm == NULL) {
2311                res = _FAIL;
2312                goto exit;
2313        }
2314        memset(psetkeyparm, 0, sizeof(struct setkey_parm));
2315
2316        if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
2317                psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
2318                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
2319        } else {
2320                psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
2321                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
2322
2323        }
2324        psetkeyparm->keyid = (u8)keyid;/* 0~3 */
2325        psetkeyparm->set_tx = set_tx;
2326        if (is_wep_enc(psetkeyparm->algorithm))
2327                adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
2328
2329        DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
2330        RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
2331
2332        switch (psetkeyparm->algorithm) {
2333
2334        case _WEP40_:
2335                keylen = 5;
2336                memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2337                break;
2338        case _WEP104_:
2339                keylen = 13;
2340                memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2341                break;
2342        case _TKIP_:
2343                keylen = 16;
2344                memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2345                psetkeyparm->grpkey = 1;
2346                break;
2347        case _AES_:
2348                keylen = 16;
2349                memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2350                psetkeyparm->grpkey = 1;
2351                break;
2352        default:
2353                RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
2354                res = _FAIL;
2355                kfree((unsigned char *)psetkeyparm);
2356                goto exit;
2357        }
2358
2359
2360        if (enqueue) {
2361                pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2362                if (pcmd == NULL) {
2363                        kfree((unsigned char *)psetkeyparm);
2364                        res = _FAIL;  /* try again */
2365                        goto exit;
2366                }
2367
2368                pcmd->cmdcode = _SetKey_CMD_;
2369                pcmd->parmbuf = (u8 *)psetkeyparm;
2370                pcmd->cmdsz =  (sizeof(struct setkey_parm));
2371                pcmd->rsp = NULL;
2372                pcmd->rspsz = 0;
2373
2374                INIT_LIST_HEAD(&pcmd->list);
2375
2376                /* sema_init(&(pcmd->cmd_sem), 0); */
2377
2378                res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2379        } else{
2380                setkey_hdl(adapter, (u8 *)psetkeyparm);
2381                kfree((u8 *) psetkeyparm);
2382        }
2383exit:
2384        return res;
2385}
2386
2387/* adjust IEs for rtw_joinbss_cmd in WMM */
2388int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2389{
2390        unsigned        int ielength = 0;
2391        unsigned int i, j;
2392
2393        i = 12; /* after the fixed IE */
2394        while (i < in_len) {
2395                ielength = initial_out_len;
2396
2397                if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50  && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) { /* WMM element ID and OUI */
2398                        for (j = i; j < i + 9; j++) {
2399                                        out_ie[ielength] = in_ie[j];
2400                                        ielength++;
2401                        }
2402                        out_ie[initial_out_len + 1] = 0x07;
2403                        out_ie[initial_out_len + 6] = 0x00;
2404                        out_ie[initial_out_len + 8] = 0x00;
2405
2406                        break;
2407                }
2408
2409                i += (in_ie[i+1]+2); /*  to the next IE element */
2410        }
2411
2412        return ielength;
2413
2414}
2415
2416
2417/*  */
2418/*  Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2419/*  Added by Annie, 2006-05-07. */
2420/*  */
2421/*  Search by BSSID, */
2422/*  Return Value: */
2423/*              -1              :if there is no pre-auth key in the  table */
2424/*              >= 0            :if there is pre-auth key, and   return the entry id */
2425/*  */
2426/*  */
2427
2428static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2429{
2430        struct security_priv *psecuritypriv = &Adapter->securitypriv;
2431        int i = 0;
2432
2433        do {
2434                if ((psecuritypriv->PMKIDList[i].bUsed) &&
2435                                (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2436                        break;
2437                } else{
2438                        i++;
2439                        /* continue; */
2440                }
2441
2442        } while (i < NUM_PMKID_CACHE);
2443
2444        if (i == NUM_PMKID_CACHE) {
2445                i = -1;/*  Could not find. */
2446        } else {
2447                /*  There is one Pre-Authentication Key for the specific BSSID. */
2448        }
2449
2450        return i;
2451
2452}
2453
2454/*  */
2455/*  Check the RSN IE length */
2456/*  If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2457/*  0-11th element in the array are the fixed IE */
2458/*  12th element in the array is the IE */
2459/*  13th element in the array is the IE length */
2460/*  */
2461
2462static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2463{
2464        struct security_priv *psecuritypriv = &Adapter->securitypriv;
2465
2466        if (ie[13] <= 20) {
2467                /*  The RSN IE didn't include the PMK ID, append the PMK information */
2468                        ie[ie_len] = 1;
2469                        ie_len++;
2470                        ie[ie_len] = 0; /* PMKID count = 0x0100 */
2471                        ie_len++;
2472                        memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2473
2474                        ie_len += 16;
2475                        ie[13] += 18;/* PMKID length = 2+16 */
2476
2477        }
2478        return ie_len;
2479}
2480
2481sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2482{
2483        u8 authmode = 0x0;
2484        uint    ielength;
2485        int iEntry;
2486
2487        struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2488        struct security_priv *psecuritypriv = &adapter->securitypriv;
2489        uint    ndisauthmode = psecuritypriv->ndisauthtype;
2490
2491        RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
2492                 ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
2493
2494        /* copy fixed ie only */
2495        memcpy(out_ie, in_ie, 12);
2496        ielength = 12;
2497        if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2498                        authmode = _WPA_IE_ID_;
2499        if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2500                        authmode = _WPA2_IE_ID_;
2501
2502        if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2503                memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2504
2505                ielength += psecuritypriv->wps_ie_len;
2506        } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
2507                /* copy RSN or SSN */
2508                memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2509                /* debug for CONFIG_IEEE80211W
2510                {
2511                        int jj;
2512                        printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2513                        for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2514                                printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2515                        printk("\n");
2516                }*/
2517                ielength += psecuritypriv->supplicant_ie[1]+2;
2518                rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2519        }
2520
2521        iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2522        if (iEntry < 0) {
2523                return ielength;
2524        } else{
2525                if (authmode == _WPA2_IE_ID_)
2526                        ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2527        }
2528        return ielength;
2529}
2530
2531void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2532{
2533        struct registry_priv *pregistrypriv = &adapter->registrypriv;
2534        struct eeprom_priv *peepriv = &adapter->eeprompriv;
2535        struct wlan_bssid_ex    *pdev_network = &pregistrypriv->dev_network;
2536        u8 *myhwaddr = myid(peepriv);
2537
2538        memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
2539
2540        memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2541
2542        pdev_network->Configuration.Length = sizeof(struct ndis_802_11_conf);
2543        pdev_network->Configuration.BeaconPeriod = 100;
2544        pdev_network->Configuration.FHConfig.Length = 0;
2545        pdev_network->Configuration.FHConfig.HopPattern = 0;
2546        pdev_network->Configuration.FHConfig.HopSet = 0;
2547        pdev_network->Configuration.FHConfig.DwellTime = 0;
2548}
2549
2550void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2551{
2552        int sz = 0;
2553        struct registry_priv *pregistrypriv = &adapter->registrypriv;
2554        struct wlan_bssid_ex    *pdev_network = &pregistrypriv->dev_network;
2555        struct  security_priv *psecuritypriv = &adapter->securitypriv;
2556        struct  wlan_network    *cur_network = &adapter->mlmepriv.cur_network;
2557        /* struct       xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2558
2559        pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /*  adhoc no 802.1x */
2560
2561        pdev_network->Rssi = 0;
2562
2563        switch (pregistrypriv->wireless_mode) {
2564        case WIRELESS_11B:
2565                pdev_network->NetworkTypeInUse = (Ndis802_11DS);
2566                break;
2567        case WIRELESS_11G:
2568        case WIRELESS_11BG:
2569        case WIRELESS_11_24N:
2570        case WIRELESS_11G_24N:
2571        case WIRELESS_11BG_24N:
2572                pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2573                break;
2574        case WIRELESS_11A:
2575        case WIRELESS_11A_5N:
2576                pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2577                break;
2578        case WIRELESS_11ABGN:
2579                if (pregistrypriv->channel > 14)
2580                        pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2581                else
2582                        pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2583                break;
2584        default:
2585                /*  TODO */
2586                break;
2587        }
2588
2589        pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
2590        RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
2591
2592        if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2593                pdev_network->Configuration.ATIMWindow = (0);
2594
2595        pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
2596
2597        /*  1. Supported rates */
2598        /*  2. IE */
2599
2600        /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ;  will be called in rtw_generate_ie */
2601        sz = rtw_generate_ie(pregistrypriv);
2602
2603        pdev_network->IELength = sz;
2604
2605        pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex  *)pdev_network);
2606
2607        /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
2608        /* pdev_network->IELength = cpu_to_le32(sz); */
2609}
2610
2611void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2612{
2613}
2614
2615/* the function is at passive_level */
2616void rtw_joinbss_reset(struct adapter *padapter)
2617{
2618        u8 threshold;
2619        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2620
2621        struct ht_priv  *phtpriv = &pmlmepriv->htpriv;
2622
2623        /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2624
2625        pmlmepriv->num_FortyMHzIntolerant = 0;
2626
2627        pmlmepriv->num_sta_no_ht = 0;
2628
2629        phtpriv->ampdu_enable = false;/* reset to disabled */
2630
2631        /*  TH = 1 => means that invalidate usb rx aggregation */
2632        /*  TH = 0 => means that validate usb rx aggregation, use init value. */
2633        if (phtpriv->ht_option) {
2634                if (padapter->registrypriv.wifi_spec == 1)
2635                        threshold = 1;
2636                else
2637                        threshold = 0;
2638                rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2639        } else{
2640                threshold = 1;
2641                rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2642        }
2643}
2644
2645void rtw_ht_use_default_setting(struct adapter *padapter)
2646{
2647        struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
2648        struct ht_priv  *phtpriv = &pmlmepriv->htpriv;
2649        struct registry_priv *pregistrypriv = &padapter->registrypriv;
2650        bool            bHwLDPCSupport = false, bHwSTBCSupport = false;
2651        bool            bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2652
2653        if (pregistrypriv->wifi_spec)
2654                phtpriv->bss_coexist = 1;
2655        else
2656                phtpriv->bss_coexist = 0;
2657
2658        phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2659        phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2660
2661        /*  LDPC support */
2662        rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2663        CLEAR_FLAGS(phtpriv->ldpc_cap);
2664        if (bHwLDPCSupport) {
2665                if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2666                        SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2667        }
2668        rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2669        if (bHwLDPCSupport) {
2670                if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2671                        SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2672        }
2673        if (phtpriv->ldpc_cap)
2674                DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
2675
2676        /*  STBC */
2677        rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2678        CLEAR_FLAGS(phtpriv->stbc_cap);
2679        if (bHwSTBCSupport) {
2680                if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2681                        SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2682        }
2683        rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2684        if (bHwSTBCSupport) {
2685                if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2686                        SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2687        }
2688        if (phtpriv->stbc_cap)
2689                DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
2690
2691        /*  Beamforming setting */
2692        rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2693        rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2694        CLEAR_FLAGS(phtpriv->beamform_cap);
2695        if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
2696                SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2697                DBG_871X("[HT] Support Beamformer\n");
2698        }
2699        if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
2700                SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2701                DBG_871X("[HT] Support Beamformee\n");
2702        }
2703}
2704
2705void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2706{
2707        unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2708        int out_len;
2709        u8 *pframe;
2710
2711        if (padapter->mlmepriv.qospriv.qos_option == 0) {
2712                out_len = *pout_len;
2713                pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2714                                                        _WMM_IE_Length_, WMM_IE, pout_len);
2715
2716                padapter->mlmepriv.qospriv.qos_option = 1;
2717        }
2718}
2719
2720/* the function is >= passive_level */
2721unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2722{
2723        u32 ielen, out_len;
2724        enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
2725        unsigned char *p, *pframe;
2726        struct rtw_ieee80211_ht_cap ht_capie;
2727        u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2728        struct registry_priv *pregistrypriv = &padapter->registrypriv;
2729        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2730        struct ht_priv  *phtpriv = &pmlmepriv->htpriv;
2731        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2732
2733        phtpriv->ht_option = false;
2734
2735        out_len = *pout_len;
2736
2737        memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2738
2739        ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2740
2741        if (phtpriv->sgi_20m)
2742                ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2743
2744        /* Get HT BW */
2745        if (in_ie == NULL) {
2746                /* TDLS: TODO 20/40 issue */
2747                if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2748                        operation_bw = padapter->mlmeextpriv.cur_bwmode;
2749                        if (operation_bw > CHANNEL_WIDTH_40)
2750                                operation_bw = CHANNEL_WIDTH_40;
2751                } else
2752                        /* TDLS: TODO 40? */
2753                        operation_bw = CHANNEL_WIDTH_40;
2754        } else {
2755                p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2756                if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2757                        struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2758                        if (pht_info->infos[0] & BIT(2)) {
2759                                switch (pht_info->infos[0] & 0x3) {
2760                                case 1:
2761                                case 3:
2762                                        operation_bw = CHANNEL_WIDTH_40;
2763                                        break;
2764                                default:
2765                                        operation_bw = CHANNEL_WIDTH_20;
2766                                        break;
2767                                }
2768                        } else {
2769                                operation_bw = CHANNEL_WIDTH_20;
2770                        }
2771                }
2772        }
2773
2774        /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2775        if (channel > 14) {
2776                if ((pregistrypriv->bw_mode & 0xf0) > 0)
2777                        cbw40_enable = 1;
2778        } else {
2779                if ((pregistrypriv->bw_mode & 0x0f) > 0)
2780                        cbw40_enable = 1;
2781        }
2782
2783        if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2784                ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2785                if (phtpriv->sgi_40m)
2786                        ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2787        }
2788
2789        if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2790                ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2791
2792        /* todo: disable SM power save mode */
2793        ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2794
2795        if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2796                if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2797                        (pregistrypriv->wifi_spec == 1)) {
2798                        stbc_rx_enable = 1;
2799                        DBG_871X("declare supporting RX STBC\n");
2800                }
2801        }
2802
2803        /* fill default supported_mcs_set */
2804        memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
2805
2806        /* update default supported_mcs_set */
2807        rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2808
2809        switch (rf_type) {
2810        case RF_1T1R:
2811                if (stbc_rx_enable)
2812                        ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2813
2814                set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
2815                break;
2816
2817        case RF_2T2R:
2818        case RF_1T2R:
2819        default:
2820                if (stbc_rx_enable)
2821                        ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
2822
2823                #ifdef CONFIG_DISABLE_MCS13TO15
2824                if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
2825                                set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
2826                else
2827                                set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2828                #else /* CONFIG_DISABLE_MCS13TO15 */
2829                        set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2830                #endif /* CONFIG_DISABLE_MCS13TO15 */
2831                break;
2832        }
2833
2834        {
2835                u32 rx_packet_offset, max_recvbuf_sz;
2836                rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2837                rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2838        }
2839
2840        if (padapter->driver_rx_ampdu_factor != 0xFF)
2841                max_rx_ampdu_factor =
2842                  (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
2843        else
2844                rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2845                                    &max_rx_ampdu_factor);
2846
2847        /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2848        ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2849
2850        if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2851                ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2852        else
2853                ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2854
2855        pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2856                                                sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2857
2858        phtpriv->ht_option = true;
2859
2860        if (in_ie != NULL) {
2861                p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2862                if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2863                        out_len = *pout_len;
2864                        pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2865                }
2866        }
2867
2868        return phtpriv->ht_option;
2869
2870}
2871
2872/* the function is > passive_level (in critical_section) */
2873void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2874{
2875        u8 *p, max_ampdu_sz;
2876        int len;
2877        /* struct sta_info *bmc_sta, *psta; */
2878        struct rtw_ieee80211_ht_cap *pht_capie;
2879        struct ieee80211_ht_addt_info *pht_addtinfo;
2880        /* struct recv_reorder_ctrl *preorder_ctrl; */
2881        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2882        struct ht_priv  *phtpriv = &pmlmepriv->htpriv;
2883        /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2884        struct registry_priv *pregistrypriv = &padapter->registrypriv;
2885        /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2886        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2887        struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2888        u8 cbw40_enable = 0;
2889
2890
2891        if (!phtpriv->ht_option)
2892                return;
2893
2894        if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2895                return;
2896
2897        DBG_871X("+rtw_update_ht_cap()\n");
2898
2899        /* maybe needs check if ap supports rx ampdu. */
2900        if ((phtpriv->ampdu_enable == false) && (pregistrypriv->ampdu_enable == 1)) {
2901                if (pregistrypriv->wifi_spec == 1) {
2902                        /* remove this part because testbed AP should disable RX AMPDU */
2903                        /* phtpriv->ampdu_enable = false; */
2904                        phtpriv->ampdu_enable = true;
2905                } else {
2906                        phtpriv->ampdu_enable = true;
2907                }
2908        } else if (pregistrypriv->ampdu_enable == 2) {
2909                /* remove this part because testbed AP should disable RX AMPDU */
2910                /* phtpriv->ampdu_enable = true; */
2911        }
2912
2913
2914        /* check Max Rx A-MPDU Size */
2915        len = 0;
2916        p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2917        if (p && len > 0) {
2918                pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2919                max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2920                max_ampdu_sz = 1 << (max_ampdu_sz+3); /*  max_ampdu_sz (kbytes); */
2921
2922                /* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */
2923                phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2924
2925        }
2926
2927
2928        len = 0;
2929        p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2930        if (p && len > 0) {
2931                pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
2932                /* todo: */
2933        }
2934
2935        if (channel > 14) {
2936                if ((pregistrypriv->bw_mode & 0xf0) > 0)
2937                        cbw40_enable = 1;
2938        } else {
2939                if ((pregistrypriv->bw_mode & 0x0f) > 0)
2940                        cbw40_enable = 1;
2941        }
2942
2943        /* update cur_bwmode & cur_ch_offset */
2944        if ((cbw40_enable) &&
2945            (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2946              BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2947                int i;
2948                u8 rf_type;
2949
2950                rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2951
2952                /* update the MCS set */
2953                for (i = 0; i < 16; i++)
2954                        pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2955
2956                /* update the MCS rates */
2957                switch (rf_type) {
2958                case RF_1T1R:
2959                case RF_1T2R:
2960                        set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2961                        break;
2962                case RF_2T2R:
2963                default:
2964#ifdef CONFIG_DISABLE_MCS13TO15
2965                        if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
2966                                set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
2967                        else
2968                                set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2969#else /* CONFIG_DISABLE_MCS13TO15 */
2970                        set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2971#endif /* CONFIG_DISABLE_MCS13TO15 */
2972                }
2973
2974                /* switch to the 40M Hz mode according to the AP */
2975                /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2976                switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2977                case EXTCHNL_OFFSET_UPPER:
2978                        pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2979                        break;
2980
2981                case EXTCHNL_OFFSET_LOWER:
2982                        pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2983                        break;
2984
2985                default:
2986                        pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2987                        break;
2988                }
2989        }
2990
2991        /*  */
2992        /*  Config SM Power Save setting */
2993        /*  */
2994        pmlmeinfo->SM_PS =
2995                (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2996                 0x0C) >> 2;
2997        if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2998                DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2999
3000        /*  */
3001        /*  Config current HT Protection mode. */
3002        /*  */
3003        pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
3004}
3005
3006void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
3007{
3008        u8 issued;
3009        int priority;
3010        struct sta_info *psta = NULL;
3011        struct ht_priv *phtpriv;
3012        struct pkt_attrib *pattrib = &pxmitframe->attrib;
3013        s32 bmcst = IS_MCAST(pattrib->ra);
3014
3015        /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
3016        if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
3017                return;
3018
3019        priority = pattrib->priority;
3020
3021        psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
3022        if (pattrib->psta != psta) {
3023                DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
3024                return;
3025        }
3026
3027        if (psta == NULL) {
3028                DBG_871X("%s, psta ==NUL\n", __func__);
3029                return;
3030        }
3031
3032        if (!(psta->state & _FW_LINKED)) {
3033                DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
3034                return;
3035        }
3036
3037
3038        phtpriv = &psta->htpriv;
3039
3040        if ((phtpriv->ht_option == true) && (phtpriv->ampdu_enable == true)) {
3041                issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
3042                issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
3043
3044                if (0 == issued) {
3045                        DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
3046                        psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
3047                        rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
3048                }
3049        }
3050
3051}
3052
3053void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
3054{
3055        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3056        struct ht_priv  *phtpriv = &pmlmepriv->htpriv;
3057        u8 cap_content[8] = {0};
3058        u8 *pframe;
3059
3060
3061        if (phtpriv->bss_coexist) {
3062                SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
3063        }
3064
3065        pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
3066}
3067
3068inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
3069{
3070        if (to_roam == 0)
3071                adapter->mlmepriv.to_join = false;
3072        adapter->mlmepriv.to_roam = to_roam;
3073}
3074
3075inline u8 rtw_dec_to_roam(struct adapter *adapter)
3076{
3077        adapter->mlmepriv.to_roam--;
3078        return adapter->mlmepriv.to_roam;
3079}
3080
3081inline u8 rtw_to_roam(struct adapter *adapter)
3082{
3083        return adapter->mlmepriv.to_roam;
3084}
3085
3086void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
3087{
3088        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3089
3090        spin_lock_bh(&pmlmepriv->lock);
3091        _rtw_roaming(padapter, tgt_network);
3092        spin_unlock_bh(&pmlmepriv->lock);
3093}
3094void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
3095{
3096        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3097        struct wlan_network *cur_network = &pmlmepriv->cur_network;
3098        int do_join_r;
3099
3100        if (0 < rtw_to_roam(padapter)) {
3101                DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
3102                                cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
3103                                cur_network->network.Ssid.SsidLength);
3104                memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
3105
3106                pmlmepriv->assoc_by_bssid = false;
3107
3108                while (1) {
3109                        do_join_r = rtw_do_join(padapter);
3110                        if (_SUCCESS == do_join_r) {
3111                                break;
3112                        } else {
3113                                DBG_871X("roaming do_join return %d\n", do_join_r);
3114                                rtw_dec_to_roam(padapter);
3115
3116                                if (rtw_to_roam(padapter) > 0) {
3117                                        continue;
3118                                } else {
3119                                        DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
3120                                        rtw_indicate_disconnect(padapter);
3121                                        break;
3122                                }
3123                        }
3124                }
3125        }
3126
3127}
3128
3129sint rtw_linked_check(struct adapter *padapter)
3130{
3131        if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
3132                        (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
3133                if (padapter->stapriv.asoc_sta_count > 2)
3134                        return true;
3135        } else{ /* Station mode */
3136                if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
3137                        return true;
3138        }
3139        return false;
3140}
3141