linux/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.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 _RTL8188E_CMD_C_
   8
   9#include <osdep_service.h>
  10#include <drv_types.h>
  11#include <recv_osdep.h>
  12#include <mlme_osdep.h>
  13#include <rtw_ioctl_set.h>
  14
  15#include <rtl8188e_hal.h>
  16
  17#define RTL88E_MAX_H2C_BOX_NUMS         4
  18#define RTL88E_MAX_CMD_LEN              7
  19#define RTL88E_MESSAGE_BOX_SIZE         4
  20#define RTL88E_EX_MESSAGE_BOX_SIZE      4
  21
  22static u8 _is_fw_read_cmd_down(struct adapter *adapt, u8 msgbox_num)
  23{
  24        u8 read_down = false;
  25        int retry_cnts = 100;
  26
  27        u8 valid;
  28
  29        do {
  30                valid = usb_read8(adapt, REG_HMETFR) & BIT(msgbox_num);
  31                if (valid == 0)
  32                        read_down = true;
  33        } while ((!read_down) && (retry_cnts--));
  34
  35        return read_down;
  36}
  37
  38/*****************************************
  39* H2C Msg format :
  40* 0x1DF - 0x1D0
  41*| 31 - 8       | 7-5    4 - 0  |
  42*| h2c_msg      |Class_ID CMD_ID        |
  43*
  44* Extend 0x1FF - 0x1F0
  45*|31 - 0          |
  46*|ext_msg|
  47******************************************/
  48static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *pCmdBuffer)
  49{
  50        u8 h2c_box_num;
  51        u32 msgbox_addr;
  52        u32 msgbox_ex_addr;
  53        u8 cmd_idx, ext_cmd_len;
  54        u32 h2c_cmd = 0;
  55        u32 h2c_cmd_ex = 0;
  56        s32 ret = _FAIL;
  57
  58        if (!adapt->bFWReady) {
  59                DBG_88E("%s(): return H2C cmd because fw is not ready\n",
  60                        __func__);
  61                return ret;
  62        }
  63
  64        if (!pCmdBuffer)
  65                goto exit;
  66        if (CmdLen > RTL88E_MAX_CMD_LEN)
  67                goto exit;
  68        if (adapt->bSurpriseRemoved)
  69                goto exit;
  70
  71        /* pay attention to if  race condition happened in  H2C cmd setting. */
  72        h2c_box_num = adapt->HalData->LastHMEBoxNum;
  73
  74        if (!_is_fw_read_cmd_down(adapt, h2c_box_num)) {
  75                DBG_88E(" fw read cmd failed...\n");
  76                goto exit;
  77        }
  78
  79        *(u8 *)(&h2c_cmd) = ElementID;
  80
  81        if (CmdLen <= 3) {
  82                memcpy((u8 *)(&h2c_cmd) + 1, pCmdBuffer, CmdLen);
  83        } else {
  84                memcpy((u8 *)(&h2c_cmd) + 1, pCmdBuffer, 3);
  85                ext_cmd_len = CmdLen - 3;
  86                memcpy((u8 *)(&h2c_cmd_ex), pCmdBuffer + 3, ext_cmd_len);
  87
  88                /* Write Ext command */
  89                msgbox_ex_addr = REG_HMEBOX_EXT_0 + (h2c_box_num * RTL88E_EX_MESSAGE_BOX_SIZE);
  90                for (cmd_idx = 0; cmd_idx < ext_cmd_len; cmd_idx++)
  91                        usb_write8(adapt, msgbox_ex_addr + cmd_idx, *((u8 *)(&h2c_cmd_ex) + cmd_idx));
  92        }
  93        /*  Write command */
  94        msgbox_addr = REG_HMEBOX_0 + (h2c_box_num * RTL88E_MESSAGE_BOX_SIZE);
  95        for (cmd_idx = 0; cmd_idx < RTL88E_MESSAGE_BOX_SIZE; cmd_idx++)
  96                usb_write8(adapt, msgbox_addr + cmd_idx, *((u8 *)(&h2c_cmd) + cmd_idx));
  97
  98        adapt->HalData->LastHMEBoxNum =
  99                (h2c_box_num + 1) % RTL88E_MAX_H2C_BOX_NUMS;
 100
 101        ret = _SUCCESS;
 102
 103exit:
 104        return ret;
 105}
 106
 107/* bitmap[0:27] = tx_rate_bitmap */
 108/* bitmap[28:31]= Rate Adaptive id */
 109/* arg[0:4] = macid */
 110/* arg[5] = Short GI */
 111void rtw_hal_add_ra_tid(struct adapter *pAdapter, u32 bitmap, u8 arg, u8 rssi_level)
 112{
 113        struct odm_dm_struct *odmpriv = &pAdapter->HalData->odmpriv;
 114        u8 macid, init_rate, raid, shortGIrate = false;
 115
 116        macid = arg & 0x1f;
 117
 118        raid = (bitmap >> 28) & 0x0f;
 119        bitmap &= 0x0fffffff;
 120
 121        if (rssi_level != DM_RATR_STA_INIT)
 122                bitmap = ODM_Get_Rate_Bitmap(odmpriv, macid, bitmap, rssi_level);
 123
 124        bitmap |= ((raid << 28) & 0xf0000000);
 125
 126        init_rate = get_highest_rate_idx(bitmap & 0x0fffffff) & 0x3f;
 127
 128        shortGIrate = (arg & BIT(5)) ? true : false;
 129
 130        if (shortGIrate)
 131                init_rate |= BIT(6);
 132
 133        raid = (bitmap >> 28) & 0x0f;
 134
 135        bitmap &= 0x0fffffff;
 136
 137        DBG_88E("%s=> mac_id:%d, raid:%d, ra_bitmap=0x%x, shortGIrate=0x%02x\n",
 138                __func__, macid, raid, bitmap, shortGIrate);
 139
 140        ODM_RA_UpdateRateInfo_8188E(odmpriv, macid, raid, bitmap, shortGIrate);
 141}
 142
 143void rtl8188e_set_FwPwrMode_cmd(struct adapter *adapt, u8 Mode)
 144{
 145        struct setpwrmode_parm H2CSetPwrMode;
 146        struct pwrctrl_priv *pwrpriv = &adapt->pwrctrlpriv;
 147        u8 RLBM = 0; /*  0:Min, 1:Max, 2:User define */
 148
 149        DBG_88E("%s: Mode=%d SmartPS=%d UAPSD=%d\n", __func__,
 150                Mode, pwrpriv->smart_ps, adapt->registrypriv.uapsd_enable);
 151
 152        switch (Mode) {
 153        case PS_MODE_ACTIVE:
 154                H2CSetPwrMode.Mode = 0;
 155                break;
 156        case PS_MODE_MIN:
 157                H2CSetPwrMode.Mode = 1;
 158                break;
 159        case PS_MODE_MAX:
 160                RLBM = 1;
 161                H2CSetPwrMode.Mode = 1;
 162                break;
 163        case PS_MODE_DTIM:
 164                RLBM = 2;
 165                H2CSetPwrMode.Mode = 1;
 166                break;
 167        case PS_MODE_UAPSD_WMM:
 168                H2CSetPwrMode.Mode = 2;
 169                break;
 170        default:
 171                H2CSetPwrMode.Mode = 0;
 172                break;
 173        }
 174
 175        H2CSetPwrMode.SmartPS_RLBM = (((pwrpriv->smart_ps << 4) & 0xf0) | (RLBM & 0x0f));
 176
 177        H2CSetPwrMode.AwakeInterval = 1;
 178
 179        H2CSetPwrMode.bAllQueueUAPSD = adapt->registrypriv.uapsd_enable;
 180
 181        if (Mode > 0)
 182                H2CSetPwrMode.PwrState = 0x00;/*  AllON(0x0C), RFON(0x04), RFOFF(0x00) */
 183        else
 184                H2CSetPwrMode.PwrState = 0x0C;/*  AllON(0x0C), RFON(0x04), RFOFF(0x00) */
 185
 186        FillH2CCmd_88E(adapt, H2C_PS_PWR_MODE, sizeof(H2CSetPwrMode), (u8 *)&H2CSetPwrMode);
 187}
 188
 189void rtl8188e_set_FwMediaStatus_cmd(struct adapter *adapt, __le16 mstatus_rpt)
 190{
 191        u8 opmode, macid;
 192        u16 mst_rpt = le16_to_cpu(mstatus_rpt);
 193
 194        opmode = (u8)mst_rpt;
 195        macid = (u8)(mst_rpt >> 8);
 196
 197        DBG_88E("### %s: MStatus=%x MACID=%d\n", __func__, opmode, macid);
 198        FillH2CCmd_88E(adapt, H2C_COM_MEDIA_STATUS_RPT, sizeof(mst_rpt), (u8 *)&mst_rpt);
 199}
 200
 201static void ConstructBeacon(struct adapter *adapt, u8 *pframe, u32 *pLength)
 202{
 203        struct ieee80211_hdr *pwlanhdr;
 204        __le16 *fctrl;
 205        u32 rate_len, pktlen;
 206        struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
 207        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 208        struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
 209        u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 210
 211        pwlanhdr = (struct ieee80211_hdr *)pframe;
 212
 213        fctrl = &pwlanhdr->frame_control;
 214        *(fctrl) = 0;
 215
 216        ether_addr_copy(pwlanhdr->addr1, bc_addr);
 217        ether_addr_copy(pwlanhdr->addr2, myid(&adapt->eeprompriv));
 218        ether_addr_copy(pwlanhdr->addr3, cur_network->MacAddress);
 219
 220        SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
 221        SetFrameSubType(pframe, WIFI_BEACON);
 222
 223        pframe += sizeof(struct ieee80211_hdr_3addr);
 224        pktlen = sizeof(struct ieee80211_hdr_3addr);
 225
 226        /* timestamp will be inserted by hardware */
 227        pframe += 8;
 228        pktlen += 8;
 229
 230        /*  beacon interval: 2 bytes */
 231        memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
 232
 233        pframe += 2;
 234        pktlen += 2;
 235
 236        /*  capability info: 2 bytes */
 237        memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
 238
 239        pframe += 2;
 240        pktlen += 2;
 241
 242        if ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) {
 243                pktlen += cur_network->ie_length - sizeof(struct ndis_802_11_fixed_ie);
 244                memcpy(pframe, cur_network->ies + sizeof(struct ndis_802_11_fixed_ie), pktlen);
 245
 246                goto _ConstructBeacon;
 247        }
 248
 249        /* below for ad-hoc mode */
 250
 251        /*  SSID */
 252        pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->ssid.ssid_length, cur_network->ssid.ssid, &pktlen);
 253
 254        /*  supported rates... */
 255        rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
 256        pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(u32, rate_len, 8), cur_network->SupportedRates, &pktlen);
 257
 258        /*  DS parameter set */
 259        pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pktlen);
 260
 261        if ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE) {
 262                u32 ATIMWindow;
 263                /*  IBSS Parameter Set... */
 264                ATIMWindow = 0;
 265                pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pktlen);
 266        }
 267
 268        /* todo: ERP IE */
 269
 270        /*  EXTERNDED SUPPORTED RATE */
 271        if (rate_len > 8)
 272                pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pktlen);
 273
 274        /* todo:HT for adhoc */
 275
 276_ConstructBeacon:
 277
 278        if ((pktlen + TXDESC_SIZE) > 512) {
 279                DBG_88E("beacon frame too large\n");
 280                return;
 281        }
 282
 283        *pLength = pktlen;
 284}
 285
 286static void ConstructPSPoll(struct adapter *adapt, u8 *pframe, u32 *pLength)
 287{
 288        struct ieee80211_hdr *pwlanhdr;
 289        struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
 290        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 291        __le16 *fctrl;
 292        struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
 293
 294        pwlanhdr = (struct ieee80211_hdr *)pframe;
 295
 296        /*  Frame control. */
 297        fctrl = &pwlanhdr->frame_control;
 298        *(fctrl) = 0;
 299        SetPwrMgt(fctrl);
 300        SetFrameSubType(pframe, WIFI_PSPOLL);
 301
 302        /*  AID. */
 303        SetDuration(pframe, (pmlmeinfo->aid | 0xc000));
 304
 305        /*  BSSID. */
 306        ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
 307
 308        /*  TA. */
 309        ether_addr_copy(pwlanhdr->addr2, myid(&adapt->eeprompriv));
 310
 311        *pLength = 16;
 312}
 313
 314static void ConstructNullFunctionData(struct adapter *adapt, u8 *pframe,
 315        u32 *pLength,
 316        u8 *StaAddr,
 317        u8 bQoS,
 318        u8 AC,
 319        u8 bEosp,
 320        u8 bForcePowerSave)
 321{
 322        struct ieee80211_hdr *pwlanhdr;
 323        __le16 *fctrl;
 324        u32 pktlen;
 325        struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
 326        struct wlan_network *cur_network = &pmlmepriv->cur_network;
 327        struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
 328        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 329        struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
 330
 331        pwlanhdr = (struct ieee80211_hdr *)pframe;
 332
 333        fctrl = &pwlanhdr->frame_control;
 334        *(fctrl) = 0;
 335        if (bForcePowerSave)
 336                SetPwrMgt(fctrl);
 337
 338        switch (cur_network->network.InfrastructureMode) {
 339        case Ndis802_11Infrastructure:
 340                SetToDs(fctrl);
 341                ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
 342                ether_addr_copy(pwlanhdr->addr2, myid(&adapt->eeprompriv));
 343                ether_addr_copy(pwlanhdr->addr3, StaAddr);
 344                break;
 345        case Ndis802_11APMode:
 346                SetFrDs(fctrl);
 347                ether_addr_copy(pwlanhdr->addr1, StaAddr);
 348                ether_addr_copy(pwlanhdr->addr2, pnetwork->MacAddress);
 349                ether_addr_copy(pwlanhdr->addr3, myid(&adapt->eeprompriv));
 350                break;
 351        case Ndis802_11IBSS:
 352        default:
 353                ether_addr_copy(pwlanhdr->addr1, StaAddr);
 354                ether_addr_copy(pwlanhdr->addr2, myid(&adapt->eeprompriv));
 355                ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
 356                break;
 357        }
 358
 359        SetSeqNum(pwlanhdr, 0);
 360
 361        if (bQoS) {
 362                struct ieee80211_qos_hdr *pwlanqoshdr;
 363
 364                SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
 365
 366                pwlanqoshdr = (struct ieee80211_qos_hdr *)pframe;
 367                SetPriority(&pwlanqoshdr->qos_ctrl, AC);
 368                SetEOSP(&pwlanqoshdr->qos_ctrl, bEosp);
 369
 370                pktlen = sizeof(struct ieee80211_qos_hdr);
 371        } else {
 372                SetFrameSubType(pframe, WIFI_DATA_NULL);
 373
 374                pktlen = sizeof(struct ieee80211_hdr_3addr);
 375        }
 376
 377        *pLength = pktlen;
 378}
 379
 380static void ConstructProbeRsp(struct adapter *adapt, u8 *pframe, u32 *pLength, u8 *StaAddr, bool bHideSSID)
 381{
 382        struct ieee80211_hdr *pwlanhdr;
 383        __le16 *fctrl;
 384        u8 *mac, *bssid;
 385        u32 pktlen;
 386        struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
 387        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 388        struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
 389
 390        pwlanhdr = (struct ieee80211_hdr *)pframe;
 391
 392        mac = myid(&adapt->eeprompriv);
 393        bssid = cur_network->MacAddress;
 394
 395        fctrl = &pwlanhdr->frame_control;
 396        *(fctrl) = 0;
 397        ether_addr_copy(pwlanhdr->addr1, StaAddr);
 398        ether_addr_copy(pwlanhdr->addr2, mac);
 399        ether_addr_copy(pwlanhdr->addr3, bssid);
 400
 401        SetSeqNum(pwlanhdr, 0);
 402        SetFrameSubType(fctrl, WIFI_PROBERSP);
 403
 404        pktlen = sizeof(struct ieee80211_hdr_3addr);
 405        pframe += pktlen;
 406
 407        if (cur_network->ie_length > MAX_IE_SZ)
 408                return;
 409
 410        memcpy(pframe, cur_network->ies, cur_network->ie_length);
 411        pframe += cur_network->ie_length;
 412        pktlen += cur_network->ie_length;
 413
 414        *pLength = pktlen;
 415}
 416
 417/*  */
 418/*  Description: Fill the reserved packets that FW will use to RSVD page. */
 419/*                      Now we just send 4 types packet to rsvd page. */
 420/*                      (1)Beacon, (2)Ps-poll, (3)Null data, (4)ProbeRsp. */
 421/*      Input: */
 422/*          bDLFinished - false: At the first time we will send all the packets as a large packet to Hw, */
 423/*                                              so we need to set the packet length to total length. */
 424/*                            true: At the second time, we should send the first packet (default:beacon) */
 425/*                                              to Hw again and set the length in descriptor to the real beacon length. */
 426/*  2009.10.15 by tynli. */
 427static void SetFwRsvdPagePkt(struct adapter *adapt, bool bDLFinished)
 428{
 429        struct xmit_frame *pmgntframe;
 430        struct pkt_attrib *pattrib;
 431        struct xmit_priv *pxmitpriv;
 432        struct mlme_ext_priv *pmlmeext;
 433        struct mlme_ext_info *pmlmeinfo;
 434        u32 BeaconLength = 0, ProbeRspLength = 0, PSPollLength;
 435        u32 NullDataLength, QosNullLength;
 436        u8 *ReservedPagePacket;
 437        u8 PageNum, PageNeed, TxDescLen;
 438        u16 BufIndex;
 439        u32 TotalPacketLen;
 440        struct rsvdpage_loc RsvdPageLoc;
 441        struct wlan_bssid_ex *pnetwork;
 442
 443        DBG_88E("%s\n", __func__);
 444        ReservedPagePacket = kzalloc(1000, GFP_KERNEL);
 445        if (!ReservedPagePacket) {
 446                DBG_88E("%s: alloc ReservedPagePacket fail!\n", __func__);
 447                return;
 448        }
 449
 450        pxmitpriv = &adapt->xmitpriv;
 451        pmlmeext = &adapt->mlmeextpriv;
 452        pmlmeinfo = &pmlmeext->mlmext_info;
 453        pnetwork = &pmlmeinfo->network;
 454
 455        TxDescLen = TXDESC_SIZE;
 456        PageNum = 0;
 457
 458        /* 3 (1) beacon * 2 pages */
 459        BufIndex = TXDESC_OFFSET;
 460        ConstructBeacon(adapt, &ReservedPagePacket[BufIndex], &BeaconLength);
 461
 462        /*  When we count the first page size, we need to reserve description size for the RSVD */
 463        /*  packet, it will be filled in front of the packet in TXPKTBUF. */
 464        PageNeed = (u8)PageNum_128(TxDescLen + BeaconLength);
 465        /*  To reserved 2 pages for beacon buffer. 2010.06.24. */
 466        if (PageNeed == 1)
 467                PageNeed += 1;
 468        PageNum += PageNeed;
 469        adapt->HalData->FwRsvdPageStartOffset = PageNum;
 470
 471        BufIndex += PageNeed * 128;
 472
 473        /* 3 (2) ps-poll *1 page */
 474        RsvdPageLoc.LocPsPoll = PageNum;
 475        ConstructPSPoll(adapt, &ReservedPagePacket[BufIndex], &PSPollLength);
 476        rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex - TxDescLen], PSPollLength, true, false);
 477
 478        PageNeed = (u8)PageNum_128(TxDescLen + PSPollLength);
 479        PageNum += PageNeed;
 480
 481        BufIndex += PageNeed * 128;
 482
 483        /* 3 (3) null data * 1 page */
 484        RsvdPageLoc.LocNullData = PageNum;
 485        ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex], &NullDataLength, pnetwork->MacAddress, false, 0, 0, false);
 486        rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex - TxDescLen], NullDataLength, false, false);
 487
 488        PageNeed = (u8)PageNum_128(TxDescLen + NullDataLength);
 489        PageNum += PageNeed;
 490
 491        BufIndex += PageNeed * 128;
 492
 493        /* 3 (4) probe response * 1page */
 494        RsvdPageLoc.LocProbeRsp = PageNum;
 495        ConstructProbeRsp(adapt, &ReservedPagePacket[BufIndex], &ProbeRspLength, pnetwork->MacAddress, false);
 496        rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex - TxDescLen], ProbeRspLength, false, false);
 497
 498        PageNeed = (u8)PageNum_128(TxDescLen + ProbeRspLength);
 499        PageNum += PageNeed;
 500
 501        BufIndex += PageNeed * 128;
 502
 503        /* 3 (5) Qos null data */
 504        RsvdPageLoc.LocQosNull = PageNum;
 505        ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex],
 506                                  &QosNullLength, pnetwork->MacAddress, true, 0, 0, false);
 507        rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex - TxDescLen], QosNullLength, false, false);
 508
 509        PageNeed = (u8)PageNum_128(TxDescLen + QosNullLength);
 510        PageNum += PageNeed;
 511
 512        TotalPacketLen = BufIndex + QosNullLength;
 513        pmgntframe = alloc_mgtxmitframe(pxmitpriv);
 514        if (!pmgntframe)
 515                goto exit;
 516
 517        /*  update attribute */
 518        pattrib = &pmgntframe->attrib;
 519        update_mgntframe_attrib(adapt, pattrib);
 520        pattrib->qsel = 0x10;
 521        pattrib->last_txcmdsz = TotalPacketLen - TXDESC_OFFSET;
 522        pattrib->pktlen = pattrib->last_txcmdsz;
 523        memcpy(pmgntframe->buf_addr, ReservedPagePacket, TotalPacketLen);
 524
 525        rtw_hal_mgnt_xmit(adapt, pmgntframe);
 526
 527        DBG_88E("%s: Set RSVD page location to Fw\n", __func__);
 528        FillH2CCmd_88E(adapt, H2C_COM_RSVD_PAGE, sizeof(RsvdPageLoc), (u8 *)&RsvdPageLoc);
 529
 530exit:
 531        kfree(ReservedPagePacket);
 532}
 533
 534void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *adapt, u8 mstatus)
 535{
 536        struct hal_data_8188e *haldata = adapt->HalData;
 537        struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
 538        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 539        bool bSendBeacon = false;
 540        bool bcn_valid = false;
 541        u8 DLBcnCount = 0;
 542        u32 poll = 0;
 543
 544        DBG_88E("%s mstatus(%x)\n", __func__, mstatus);
 545
 546        if (mstatus == 1) {
 547                /*  We should set AID, correct TSF, HW seq enable before set JoinBssReport to Fw in 88/92C. */
 548                /*  Suggested by filen. Added by tynli. */
 549                usb_write16(adapt, REG_BCN_PSR_RPT, (0xC000 | pmlmeinfo->aid));
 550                /*  Do not set TSF again here or vWiFi beacon DMA INT will not work. */
 551
 552                /* Set REG_CR bit 8. DMA beacon by SW. */
 553                haldata->RegCR_1 |= BIT(0);
 554                usb_write8(adapt,  REG_CR + 1, haldata->RegCR_1);
 555
 556                /*  Disable Hw protection for a time which revserd for Hw sending beacon. */
 557                /*  Fix download reserved page packet fail that access collision with the protection time. */
 558                /*  2010.05.11. Added by tynli. */
 559                usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) & (~BIT(3)));
 560                usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(4));
 561
 562                if (haldata->RegFwHwTxQCtrl & BIT(6)) {
 563                        DBG_88E("HalDownloadRSVDPage(): There is an Adapter is sending beacon.\n");
 564                        bSendBeacon = true;
 565                }
 566
 567                /*  Set FWHW_TXQ_CTRL 0x422[6]=0 to tell Hw the packet is not a real beacon frame. */
 568                usb_write8(adapt, REG_FWHW_TXQ_CTRL + 2, (haldata->RegFwHwTxQCtrl & (~BIT(6))));
 569                haldata->RegFwHwTxQCtrl &= (~BIT(6));
 570
 571                /*  Clear beacon valid check bit. */
 572                rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
 573                DLBcnCount = 0;
 574                poll = 0;
 575                do {
 576                        /*  download rsvd page. */
 577                        SetFwRsvdPagePkt(adapt, false);
 578                        DLBcnCount++;
 579                        do {
 580                                yield();
 581                                /* mdelay(10); */
 582                                /*  check rsvd page download OK. */
 583                                rtw_hal_get_hwreg(adapt, HW_VAR_BCN_VALID, (u8 *)(&bcn_valid));
 584                                poll++;
 585                        } while (!bcn_valid && (poll % 10) != 0 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
 586                } while (!bcn_valid && DLBcnCount <= 100 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
 587
 588                if (adapt->bSurpriseRemoved || adapt->bDriverStopped)
 589                        ;
 590                else if (!bcn_valid)
 591                        DBG_88E("%s: 1 Download RSVD page failed! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
 592                else
 593                        DBG_88E("%s: 1 Download RSVD success! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
 594                /*  */
 595                /*  We just can send the reserved page twice during the time that Tx thread is stopped (e.g. pnpsetpower) */
 596                /*  because we need to free the Tx BCN Desc which is used by the first reserved page packet. */
 597                /*  At run time, we cannot get the Tx Desc until it is released in TxHandleInterrupt() so we will return */
 598                /*  the beacon TCB in the following code. 2011.11.23. by tynli. */
 599                /*  */
 600
 601                /*  Enable Bcn */
 602                usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(3));
 603                usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) & (~BIT(4)));
 604
 605                /*  To make sure that if there exists an adapter which would like to send beacon. */
 606                /*  If exists, the origianl value of 0x422[6] will be 1, we should check this to */
 607                /*  prevent from setting 0x422[6] to 0 after download reserved page, or it will cause */
 608                /*  the beacon cannot be sent by HW. */
 609                /*  2010.06.23. Added by tynli. */
 610                if (bSendBeacon) {
 611                        usb_write8(adapt, REG_FWHW_TXQ_CTRL + 2, (haldata->RegFwHwTxQCtrl | BIT(6)));
 612                        haldata->RegFwHwTxQCtrl |= BIT(6);
 613                }
 614
 615                /*  Update RSVD page location H2C to Fw. */
 616                if (bcn_valid) {
 617                        rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
 618                        DBG_88E("Set RSVD page location to Fw.\n");
 619                }
 620
 621                /*  Do not enable HW DMA BCN or it will cause Pcie interface hang by timing issue. 2011.11.24. by tynli. */
 622                /*  Clear CR[8] or beacon packet will not be send to TxBuf anymore. */
 623                haldata->RegCR_1 &= (~BIT(0));
 624                usb_write8(adapt,  REG_CR + 1, haldata->RegCR_1);
 625        }
 626}
 627