staging/rtl8188eu/hal/rtl8188e_cmd.c

   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
  22 static 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 ******************************************/
  48 static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *pCmdBuffer)
  49 {
  50         u8 bcmd_down = false;
  51         s32 retry_cnts = 100;
  52         u8 h2c_box_num;
  53         u32 msgbox_addr;
  54         u32 msgbox_ex_addr;
  55         u8 cmd_idx, ext_cmd_len;
  56         u32 h2c_cmd = 0;
  57         u32 h2c_cmd_ex = 0;
  58         s32 ret = _FAIL;
  59
  60         if (!adapt->bFWReady) {
  61                 DBG_88E("%s(): return H2C cmd because fw is not ready\n",
  62                         __func__);
  63                 return ret;
  64         }
  65
  66         if (!pCmdBuffer)
  67                 goto exit;
  68         if (CmdLen > RTL88E_MAX_CMD_LEN)
  69                 goto exit;
  70         if (adapt->bSurpriseRemoved)
  71                 goto exit;
  72
  73         /* pay attention to if  race condition happened in  H2C cmd setting. */
  74         do {
  75                 h2c_box_num = adapt->HalData->LastHMEBoxNum;
  76
  77                 if (!_is_fw_read_cmd_down(adapt, h2c_box_num)) {
  78                         DBG_88E(" fw read cmd failed...\n");
  79                         goto exit;
  80                 }
  81
  82                 *(u8 *)(&h2c_cmd) = ElementID;
  83
  84                 if (CmdLen <= 3) {
  85                         memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, CmdLen);
  86                 } else {
  87                         memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, 3);
  88                         ext_cmd_len = CmdLen-3;
  89                         memcpy((u8 *)(&h2c_cmd_ex), pCmdBuffer+3, ext_cmd_len);
  90
  91                         /* Write Ext command */
  92                         msgbox_ex_addr = REG_HMEBOX_EXT_0 + (h2c_box_num * RTL88E_EX_MESSAGE_BOX_SIZE);
  93                         for (cmd_idx = 0; cmd_idx < ext_cmd_len; cmd_idx++) {
  94                                 usb_write8(adapt, msgbox_ex_addr+cmd_idx, *((u8 *)(&h2c_cmd_ex)+cmd_idx));
  95                         }
  96                 }
  97                 /*  Write command */
  98                 msgbox_addr = REG_HMEBOX_0 + (h2c_box_num * RTL88E_MESSAGE_BOX_SIZE);
  99                 for (cmd_idx = 0; cmd_idx < RTL88E_MESSAGE_BOX_SIZE; cmd_idx++) {
 100                         usb_write8(adapt, msgbox_addr+cmd_idx, *((u8 *)(&h2c_cmd)+cmd_idx));
 101                 }
 102                 bcmd_down = true;
 103
 104                 adapt->HalData->LastHMEBoxNum =
 105                         (h2c_box_num+1) % RTL88E_MAX_H2C_BOX_NUMS;
 106
 107         } while ((!bcmd_down) && (retry_cnts--));
 108
 109         ret = _SUCCESS;
 110
 111 exit:
 112         return ret;
 113 }
 114
 115 /* bitmap[0:27] = tx_rate_bitmap */
 116 /* bitmap[28:31]= Rate Adaptive id */
 117 /* arg[0:4] = macid */
 118 /* arg[5] = Short GI */
 119 void rtw_hal_add_ra_tid(struct adapter *pAdapter, u32 bitmap, u8 arg, u8 rssi_level)
 120 {
 121         struct odm_dm_struct *odmpriv = &pAdapter->HalData->odmpriv;
 122
 123         u8 macid, init_rate, raid, shortGIrate = false;
 124
 125         macid = arg&0x1f;
 126
 127         raid = (bitmap>>28) & 0x0f;
 128         bitmap &= 0x0fffffff;
 129
 130         if (rssi_level != DM_RATR_STA_INIT)
 131                 bitmap = ODM_Get_Rate_Bitmap(odmpriv, macid, bitmap, rssi_level);
 132
 133         bitmap |= ((raid<<28)&0xf0000000);
 134
 135         init_rate = get_highest_rate_idx(bitmap&0x0fffffff)&0x3f;
 136
 137         shortGIrate = (arg & BIT(5)) ? true : false;
 138
 139         if (shortGIrate)
 140                 init_rate |= BIT(6);
 141
 142         raid = (bitmap>>28) & 0x0f;
 143
 144         bitmap &= 0x0fffffff;
 145
 146         DBG_88E("%s=> mac_id:%d, raid:%d, ra_bitmap=0x%x, shortGIrate=0x%02x\n",
 147                 __func__, macid, raid, bitmap, shortGIrate);
 148
 149         ODM_RA_UpdateRateInfo_8188E(odmpriv, macid, raid, bitmap, shortGIrate);
 150 }
 151
 152 void rtl8188e_set_FwPwrMode_cmd(struct adapter *adapt, u8 Mode)
 153 {
 154         struct setpwrmode_parm H2CSetPwrMode;
 155         struct pwrctrl_priv *pwrpriv = &adapt->pwrctrlpriv;
 156         u8 RLBM = 0; /*  0:Min, 1:Max, 2:User define */
 157
 158         DBG_88E("%s: Mode=%d SmartPS=%d UAPSD=%d\n", __func__,
 159                 Mode, pwrpriv->smart_ps, adapt->registrypriv.uapsd_enable);
 160
 161         switch (Mode) {
 162         case PS_MODE_ACTIVE:
 163                 H2CSetPwrMode.Mode = 0;
 164                 break;
 165         case PS_MODE_MIN:
 166                 H2CSetPwrMode.Mode = 1;
 167                 break;
 168         case PS_MODE_MAX:
 169                 RLBM = 1;
 170                 H2CSetPwrMode.Mode = 1;
 171                 break;
 172         case PS_MODE_DTIM:
 173                 RLBM = 2;
 174                 H2CSetPwrMode.Mode = 1;
 175                 break;
 176         case PS_MODE_UAPSD_WMM:
 177                 H2CSetPwrMode.Mode = 2;
 178                 break;
 179         default:
 180                 H2CSetPwrMode.Mode = 0;
 181                 break;
 182         }
 183
 184         H2CSetPwrMode.SmartPS_RLBM = (((pwrpriv->smart_ps<<4)&0xf0) | (RLBM & 0x0f));
 185
 186         H2CSetPwrMode.AwakeInterval = 1;
 187
 188         H2CSetPwrMode.bAllQueueUAPSD = adapt->registrypriv.uapsd_enable;
 189
 190         if (Mode > 0)
 191                 H2CSetPwrMode.PwrState = 0x00;/*  AllON(0x0C), RFON(0x04), RFOFF(0x00) */
 192         else
 193                 H2CSetPwrMode.PwrState = 0x0C;/*  AllON(0x0C), RFON(0x04), RFOFF(0x00) */
 194
 195         FillH2CCmd_88E(adapt, H2C_PS_PWR_MODE, sizeof(H2CSetPwrMode), (u8 *)&H2CSetPwrMode);
 196 }
 197
 198 void rtl8188e_set_FwMediaStatus_cmd(struct adapter *adapt, __le16 mstatus_rpt)
 199 {
 200         u8 opmode, macid;
 201         u16 mst_rpt = le16_to_cpu(mstatus_rpt);
 202
 203         opmode = (u8)mst_rpt;
 204         macid = (u8)(mst_rpt >> 8);
 205
 206         DBG_88E("### %s: MStatus=%x MACID=%d\n", __func__, opmode, macid);
 207         FillH2CCmd_88E(adapt, H2C_COM_MEDIA_STATUS_RPT, sizeof(mst_rpt), (u8 *)&mst_rpt);
 208 }
 209
 210 static void ConstructBeacon(struct adapter *adapt, u8 *pframe, u32 *pLength)
 211 {
 212         struct ieee80211_hdr *pwlanhdr;
 213         __le16 *fctrl;
 214         u32 rate_len, pktlen;
 215         struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
 216         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 217         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
 218         u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 219
 220         pwlanhdr = (struct ieee80211_hdr *)pframe;
 221
 222         fctrl = &pwlanhdr->frame_control;
 223         *(fctrl) = 0;
 224
 225         ether_addr_copy(pwlanhdr->addr1, bc_addr);
 226         ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)));
 227         ether_addr_copy(pwlanhdr->addr3, cur_network->MacAddress);
 228
 229         SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
 230         SetFrameSubType(pframe, WIFI_BEACON);
 231
 232         pframe += sizeof(struct ieee80211_hdr_3addr);
 233         pktlen = sizeof(struct ieee80211_hdr_3addr);
 234
 235         /* timestamp will be inserted by hardware */
 236         pframe += 8;
 237         pktlen += 8;
 238
 239         /*  beacon interval: 2 bytes */
 240         memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->ies)), 2);
 241
 242         pframe += 2;
 243         pktlen += 2;
 244
 245         /*  capability info: 2 bytes */
 246         memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->ies)), 2);
 247
 248         pframe += 2;
 249         pktlen += 2;
 250
 251         if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
 252                 pktlen += cur_network->ie_length - sizeof(struct ndis_802_11_fixed_ie);
 253                 memcpy(pframe, cur_network->ies+sizeof(struct ndis_802_11_fixed_ie), pktlen);
 254
 255                 goto _ConstructBeacon;
 256         }
 257
 258         /* below for ad-hoc mode */
 259
 260         /*  SSID */
 261         pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pktlen);
 262
 263         /*  supported rates... */
 264         rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
 265         pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(u32, rate_len, 8), cur_network->SupportedRates, &pktlen);
 266
 267         /*  DS parameter set */
 268         pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pktlen);
 269
 270         if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
 271                 u32 ATIMWindow;
 272                 /*  IBSS Parameter Set... */
 273                 ATIMWindow = 0;
 274                 pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pktlen);
 275         }
 276
 277         /* todo: ERP IE */
 278
 279         /*  EXTERNDED SUPPORTED RATE */
 280         if (rate_len > 8)
 281                 pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pktlen);
 282
 283         /* todo:HT for adhoc */
 284
 285 _ConstructBeacon:
 286
 287         if ((pktlen + TXDESC_SIZE) > 512) {
 288                 DBG_88E("beacon frame too large\n");
 289                 return;
 290         }
 291
 292         *pLength = pktlen;
 293 }
 294
 295 static void ConstructPSPoll(struct adapter *adapt, u8 *pframe, u32 *pLength)
 296 {
 297         struct ieee80211_hdr *pwlanhdr;
 298         struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
 299         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 300         __le16 *fctrl;
 301         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
 302
 303         pwlanhdr = (struct ieee80211_hdr *)pframe;
 304
 305         /*  Frame control. */
 306         fctrl = &pwlanhdr->frame_control;
 307         *(fctrl) = 0;
 308         SetPwrMgt(fctrl);
 309         SetFrameSubType(pframe, WIFI_PSPOLL);
 310
 311         /*  AID. */
 312         SetDuration(pframe, (pmlmeinfo->aid | 0xc000));
 313
 314         /*  BSSID. */
 315         ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
 316
 317         /*  TA. */
 318         ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)));
 319
 320         *pLength = 16;
 321 }
 322
 323 static void ConstructNullFunctionData(struct adapter *adapt, u8 *pframe,
 324         u32 *pLength,
 325         u8 *StaAddr,
 326         u8 bQoS,
 327         u8 AC,
 328         u8 bEosp,
 329         u8 bForcePowerSave)
 330 {
 331         struct ieee80211_hdr *pwlanhdr;
 332         __le16 *fctrl;
 333         u32 pktlen;
 334         struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
 335         struct wlan_network             *cur_network = &pmlmepriv->cur_network;
 336         struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
 337         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 338         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
 339
 340         pwlanhdr = (struct ieee80211_hdr *)pframe;
 341
 342         fctrl = &pwlanhdr->frame_control;
 343         *(fctrl) = 0;
 344         if (bForcePowerSave)
 345                 SetPwrMgt(fctrl);
 346
 347         switch (cur_network->network.InfrastructureMode) {
 348         case Ndis802_11Infrastructure:
 349                 SetToDs(fctrl);
 350                 ether_addr_copy(pwlanhdr->addr1, pnetwork->MacAddress);
 351                 ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)));
 352                 ether_addr_copy(pwlanhdr->addr3, StaAddr);
 353                 break;
 354         case Ndis802_11APMode:
 355                 SetFrDs(fctrl);
 356                 ether_addr_copy(pwlanhdr->addr1, StaAddr);
 357                 ether_addr_copy(pwlanhdr->addr2, pnetwork->MacAddress);
 358                 ether_addr_copy(pwlanhdr->addr3, myid(&(adapt->eeprompriv)));
 359                 break;
 360         case Ndis802_11IBSS:
 361         default:
 362                 ether_addr_copy(pwlanhdr->addr1, StaAddr);
 363                 ether_addr_copy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)));
 364                 ether_addr_copy(pwlanhdr->addr3, pnetwork->MacAddress);
 365                 break;
 366         }
 367
 368         SetSeqNum(pwlanhdr, 0);
 369
 370         if (bQoS) {
 371                 struct ieee80211_qos_hdr *pwlanqoshdr;
 372
 373                 SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
 374
 375                 pwlanqoshdr = (struct ieee80211_qos_hdr *)pframe;
 376                 SetPriority(&pwlanqoshdr->qos_ctrl, AC);
 377                 SetEOSP(&pwlanqoshdr->qos_ctrl, bEosp);
 378
 379                 pktlen = sizeof(struct ieee80211_qos_hdr);
 380         } else {
 381                 SetFrameSubType(pframe, WIFI_DATA_NULL);
 382
 383                 pktlen = sizeof(struct ieee80211_hdr_3addr);
 384         }
 385
 386         *pLength = pktlen;
 387 }
 388
 389 static void ConstructProbeRsp(struct adapter *adapt, u8 *pframe, u32 *pLength, u8 *StaAddr, bool bHideSSID)
 390 {
 391         struct ieee80211_hdr *pwlanhdr;
 392         __le16 *fctrl;
 393         u8 *mac, *bssid;
 394         u32 pktlen;
 395         struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
 396         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 397         struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
 398
 399         pwlanhdr = (struct ieee80211_hdr *)pframe;
 400
 401         mac = myid(&(adapt->eeprompriv));
 402         bssid = cur_network->MacAddress;
 403
 404         fctrl = &pwlanhdr->frame_control;
 405         *(fctrl) = 0;
 406         ether_addr_copy(pwlanhdr->addr1, StaAddr);
 407         ether_addr_copy(pwlanhdr->addr2, mac);
 408         ether_addr_copy(pwlanhdr->addr3, bssid);
 409
 410         SetSeqNum(pwlanhdr, 0);
 411         SetFrameSubType(fctrl, WIFI_PROBERSP);
 412
 413         pktlen = sizeof(struct ieee80211_hdr_3addr);
 414         pframe += pktlen;
 415
 416         if (cur_network->ie_length > MAX_IE_SZ)
 417                 return;
 418
 419         memcpy(pframe, cur_network->ies, cur_network->ie_length);
 420         pframe += cur_network->ie_length;
 421         pktlen += cur_network->ie_length;
 422
 423         *pLength = pktlen;
 424 }
 425
 426 /*  */
 427 /*  Description: Fill the reserved packets that FW will use to RSVD page. */
 428 /*                      Now we just send 4 types packet to rsvd page. */
 429 /*                      (1)Beacon, (2)Ps-poll, (3)Null data, (4)ProbeRsp. */
 430 /*      Input: */
 431 /*          bDLFinished - false: At the first time we will send all the packets as a large packet to Hw, */
 432 /*                                              so we need to set the packet length to total length. */
 433 /*                            true: At the second time, we should send the first packet (default:beacon) */
 434 /*                                              to Hw again and set the length in descriptor to the real beacon length. */
 435 /*  2009.10.15 by tynli. */
 436 static void SetFwRsvdPagePkt(struct adapter *adapt, bool bDLFinished)
 437 {
 438         struct xmit_frame       *pmgntframe;
 439         struct pkt_attrib       *pattrib;
 440         struct xmit_priv *pxmitpriv;
 441         struct mlme_ext_priv *pmlmeext;
 442         struct mlme_ext_info    *pmlmeinfo;
 443         u32 BeaconLength = 0, ProbeRspLength = 0, PSPollLength;
 444         u32 NullDataLength, QosNullLength;
 445         u8 *ReservedPagePacket;
 446         u8 PageNum, PageNeed, TxDescLen;
 447         u16 BufIndex;
 448         u32 TotalPacketLen;
 449         struct rsvdpage_loc RsvdPageLoc;
 450         struct wlan_bssid_ex *pnetwork;
 451
 452         DBG_88E("%s\n", __func__);
 453         ReservedPagePacket = kzalloc(1000, GFP_KERNEL);
 454         if (!ReservedPagePacket) {
 455                 DBG_88E("%s: alloc ReservedPagePacket fail!\n", __func__);
 456                 return;
 457         }
 458
 459         pxmitpriv = &adapt->xmitpriv;
 460         pmlmeext = &adapt->mlmeextpriv;
 461         pmlmeinfo = &pmlmeext->mlmext_info;
 462         pnetwork = &(pmlmeinfo->network);
 463
 464         TxDescLen = TXDESC_SIZE;
 465         PageNum = 0;
 466
 467         /* 3 (1) beacon * 2 pages */
 468         BufIndex = TXDESC_OFFSET;
 469         ConstructBeacon(adapt, &ReservedPagePacket[BufIndex], &BeaconLength);
 470
 471         /*  When we count the first page size, we need to reserve description size for the RSVD */
 472         /*  packet, it will be filled in front of the packet in TXPKTBUF. */
 473         PageNeed = (u8)PageNum_128(TxDescLen + BeaconLength);
 474         /*  To reserved 2 pages for beacon buffer. 2010.06.24. */
 475         if (PageNeed == 1)
 476                 PageNeed += 1;
 477         PageNum += PageNeed;
 478         adapt->HalData->FwRsvdPageStartOffset = PageNum;
 479
 480         BufIndex += PageNeed*128;
 481
 482         /* 3 (2) ps-poll *1 page */
 483         RsvdPageLoc.LocPsPoll = PageNum;
 484         ConstructPSPoll(adapt, &ReservedPagePacket[BufIndex], &PSPollLength);
 485         rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], PSPollLength, true, false);
 486
 487         PageNeed = (u8)PageNum_128(TxDescLen + PSPollLength);
 488         PageNum += PageNeed;
 489
 490         BufIndex += PageNeed*128;
 491
 492         /* 3 (3) null data * 1 page */
 493         RsvdPageLoc.LocNullData = PageNum;
 494         ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex], &NullDataLength, pnetwork->MacAddress, false, 0, 0, false);
 495         rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], NullDataLength, false, false);
 496
 497         PageNeed = (u8)PageNum_128(TxDescLen + NullDataLength);
 498         PageNum += PageNeed;
 499
 500         BufIndex += PageNeed*128;
 501
 502         /* 3 (4) probe response * 1page */
 503         RsvdPageLoc.LocProbeRsp = PageNum;
 504         ConstructProbeRsp(adapt, &ReservedPagePacket[BufIndex], &ProbeRspLength, pnetwork->MacAddress, false);
 505         rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], ProbeRspLength, false, false);
 506
 507         PageNeed = (u8)PageNum_128(TxDescLen + ProbeRspLength);
 508         PageNum += PageNeed;
 509
 510         BufIndex += PageNeed*128;
 511
 512         /* 3 (5) Qos null data */
 513         RsvdPageLoc.LocQosNull = PageNum;
 514         ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex],
 515                                   &QosNullLength, pnetwork->MacAddress, true, 0, 0, false);
 516         rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], QosNullLength, false, false);
 517
 518         PageNeed = (u8)PageNum_128(TxDescLen + QosNullLength);
 519         PageNum += PageNeed;
 520
 521         TotalPacketLen = BufIndex + QosNullLength;
 522         pmgntframe = alloc_mgtxmitframe(pxmitpriv);
 523         if (!pmgntframe)
 524                 goto exit;
 525
 526         /*  update attribute */
 527         pattrib = &pmgntframe->attrib;
 528         update_mgntframe_attrib(adapt, pattrib);
 529         pattrib->qsel = 0x10;
 530         pattrib->last_txcmdsz = TotalPacketLen - TXDESC_OFFSET;
 531         pattrib->pktlen = pattrib->last_txcmdsz;
 532         memcpy(pmgntframe->buf_addr, ReservedPagePacket, TotalPacketLen);
 533
 534         rtw_hal_mgnt_xmit(adapt, pmgntframe);
 535
 536         DBG_88E("%s: Set RSVD page location to Fw\n", __func__);
 537         FillH2CCmd_88E(adapt, H2C_COM_RSVD_PAGE, sizeof(RsvdPageLoc), (u8 *)&RsvdPageLoc);
 538
 539 exit:
 540         kfree(ReservedPagePacket);
 541 }
 542
 543 void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *adapt, u8 mstatus)
 544 {
 545         struct hal_data_8188e *haldata = adapt->HalData;
 546         struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
 547         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 548         bool    bSendBeacon = false;
 549         bool    bcn_valid = false;
 550         u8 DLBcnCount = 0;
 551         u32 poll = 0;
 552
 553         DBG_88E("%s mstatus(%x)\n", __func__, mstatus);
 554
 555         if (mstatus == 1) {
 556                 /*  We should set AID, correct TSF, HW seq enable before set JoinBssReport to Fw in 88/92C. */
 557                 /*  Suggested by filen. Added by tynli. */
 558                 usb_write16(adapt, REG_BCN_PSR_RPT, (0xC000|pmlmeinfo->aid));
 559                 /*  Do not set TSF again here or vWiFi beacon DMA INT will not work. */
 560
 561                 /* Set REG_CR bit 8. DMA beacon by SW. */
 562                 haldata->RegCR_1 |= BIT(0);
 563                 usb_write8(adapt,  REG_CR+1, haldata->RegCR_1);
 564
 565                 /*  Disable Hw protection for a time which revserd for Hw sending beacon. */
 566                 /*  Fix download reserved page packet fail that access collision with the protection time. */
 567                 /*  2010.05.11. Added by tynli. */
 568                 usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(3)));
 569                 usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(4));
 570
 571                 if (haldata->RegFwHwTxQCtrl & BIT(6)) {
 572                         DBG_88E("HalDownloadRSVDPage(): There is an Adapter is sending beacon.\n");
 573                         bSendBeacon = true;
 574                 }
 575
 576                 /*  Set FWHW_TXQ_CTRL 0x422[6]=0 to tell Hw the packet is not a real beacon frame. */
 577                 usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl&(~BIT(6))));
 578                 haldata->RegFwHwTxQCtrl &= (~BIT(6));
 579
 580                 /*  Clear beacon valid check bit. */
 581                 rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
 582                 DLBcnCount = 0;
 583                 poll = 0;
 584                 do {
 585                         /*  download rsvd page. */
 586                         SetFwRsvdPagePkt(adapt, false);
 587                         DLBcnCount++;
 588                         do {
 589                                 yield();
 590                                 /* mdelay(10); */
 591                                 /*  check rsvd page download OK. */
 592                                 rtw_hal_get_hwreg(adapt, HW_VAR_BCN_VALID, (u8 *)(&bcn_valid));
 593                                 poll++;
 594                         } while (!bcn_valid && (poll%10) != 0 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
 595                 } while (!bcn_valid && DLBcnCount <= 100 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
 596
 597                 if (adapt->bSurpriseRemoved || adapt->bDriverStopped)
 598                         ;
 599                 else if (!bcn_valid)
 600                         DBG_88E("%s: 1 Download RSVD page failed! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
 601                 else
 602                         DBG_88E("%s: 1 Download RSVD success! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
 603                 /*  */
 604                 /*  We just can send the reserved page twice during the time that Tx thread is stopped (e.g. pnpsetpower) */
 605                 /*  because we need to free the Tx BCN Desc which is used by the first reserved page packet. */
 606                 /*  At run time, we cannot get the Tx Desc until it is released in TxHandleInterrupt() so we will return */
 607                 /*  the beacon TCB in the following code. 2011.11.23. by tynli. */
 608                 /*  */
 609
 610                 /*  Enable Bcn */
 611                 usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(3));
 612                 usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(4)));
 613
 614                 /*  To make sure that if there exists an adapter which would like to send beacon. */
 615                 /*  If exists, the origianl value of 0x422[6] will be 1, we should check this to */
 616                 /*  prevent from setting 0x422[6] to 0 after download reserved page, or it will cause */
 617                 /*  the beacon cannot be sent by HW. */
 618                 /*  2010.06.23. Added by tynli. */
 619                 if (bSendBeacon) {
 620                         usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl | BIT(6)));
 621                         haldata->RegFwHwTxQCtrl |= BIT(6);
 622                 }
 623
 624                 /*  Update RSVD page location H2C to Fw. */
 625                 if (bcn_valid) {
 626                         rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
 627                         DBG_88E("Set RSVD page location to Fw.\n");
 628                 }
 629
 630                 /*  Do not enable HW DMA BCN or it will cause Pcie interface hang by timing issue. 2011.11.24. by tynli. */
 631                 /*  Clear CR[8] or beacon packet will not be send to TxBuf anymore. */
 632                 haldata->RegCR_1 &= (~BIT(0));
 633                 usb_write8(adapt,  REG_CR+1, haldata->RegCR_1);
 634         }
 635 }