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- /******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- *
- ******************************************************************************/
- #define _RTL8188E_CMD_C_
- #include <osdep_service.h>
- #include <drv_types.h>
- #include <recv_osdep.h>
- #include <mlme_osdep.h>
- #include <rtw_ioctl_set.h>
- #include <rtl8188e_hal.h>
- #define RTL88E_MAX_H2C_BOX_NUMS 4
- #define RTL88E_MAX_CMD_LEN 7
- #define RTL88E_MESSAGE_BOX_SIZE 4
- #define RTL88E_EX_MESSAGE_BOX_SIZE 4
- static u8 _is_fw_read_cmd_down(struct adapter *adapt, u8 msgbox_num)
- {
- u8 read_down = false;
- int retry_cnts = 100;
- u8 valid;
- do {
- valid = usb_read8(adapt, REG_HMETFR) & BIT(msgbox_num);
- if (0 == valid)
- read_down = true;
- } while ((!read_down) && (retry_cnts--));
- return read_down;
- }
- /*****************************************
- * H2C Msg format :
- * 0x1DF - 0x1D0
- *| 31 - 8 | 7-5 4 - 0 |
- *| h2c_msg |Class_ID CMD_ID |
- *
- * Extend 0x1FF - 0x1F0
- *|31 - 0 |
- *|ext_msg|
- ******************************************/
- static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *pCmdBuffer)
- {
- u8 bcmd_down = false;
- s32 retry_cnts = 100;
- u8 h2c_box_num;
- u32 msgbox_addr;
- u32 msgbox_ex_addr;
- struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
- u8 cmd_idx, ext_cmd_len;
- u32 h2c_cmd = 0;
- u32 h2c_cmd_ex = 0;
- s32 ret = _FAIL;
- if (!adapt->bFWReady) {
- DBG_88E("FillH2CCmd_88E(): return H2C cmd because fw is not ready\n");
- return ret;
- }
- if (!pCmdBuffer)
- goto exit;
- if (CmdLen > RTL88E_MAX_CMD_LEN)
- goto exit;
- if (adapt->bSurpriseRemoved)
- goto exit;
- /* pay attention to if race condition happened in H2C cmd setting. */
- do {
- h2c_box_num = haldata->LastHMEBoxNum;
- if (!_is_fw_read_cmd_down(adapt, h2c_box_num)) {
- DBG_88E(" fw read cmd failed...\n");
- goto exit;
- }
- *(u8 *)(&h2c_cmd) = ElementID;
- if (CmdLen <= 3) {
- memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, CmdLen);
- } else {
- memcpy((u8 *)(&h2c_cmd)+1, pCmdBuffer, 3);
- ext_cmd_len = CmdLen-3;
- memcpy((u8 *)(&h2c_cmd_ex), pCmdBuffer+3, ext_cmd_len);
- /* Write Ext command */
- msgbox_ex_addr = REG_HMEBOX_EXT_0 + (h2c_box_num * RTL88E_EX_MESSAGE_BOX_SIZE);
- for (cmd_idx = 0; cmd_idx < ext_cmd_len; cmd_idx++) {
- usb_write8(adapt, msgbox_ex_addr+cmd_idx, *((u8 *)(&h2c_cmd_ex)+cmd_idx));
- }
- }
- /* Write command */
- msgbox_addr = REG_HMEBOX_0 + (h2c_box_num * RTL88E_MESSAGE_BOX_SIZE);
- for (cmd_idx = 0; cmd_idx < RTL88E_MESSAGE_BOX_SIZE; cmd_idx++) {
- usb_write8(adapt, msgbox_addr+cmd_idx, *((u8 *)(&h2c_cmd)+cmd_idx));
- }
- bcmd_down = true;
- haldata->LastHMEBoxNum = (h2c_box_num+1) % RTL88E_MAX_H2C_BOX_NUMS;
- } while ((!bcmd_down) && (retry_cnts--));
- ret = _SUCCESS;
- exit:
- return ret;
- }
- /* bitmap[0:27] = tx_rate_bitmap */
- /* bitmap[28:31]= Rate Adaptive id */
- /* arg[0:4] = macid */
- /* arg[5] = Short GI */
- void rtl8188e_Add_RateATid(struct adapter *pAdapter, u32 bitmap, u8 arg, u8 rssi_level)
- {
- struct hal_data_8188e *haldata = GET_HAL_DATA(pAdapter);
- u8 macid, init_rate, raid, shortGIrate = false;
- macid = arg&0x1f;
- raid = (bitmap>>28) & 0x0f;
- bitmap &= 0x0fffffff;
- if (rssi_level != DM_RATR_STA_INIT)
- bitmap = ODM_Get_Rate_Bitmap(&haldata->odmpriv, macid, bitmap, rssi_level);
- bitmap |= ((raid<<28)&0xf0000000);
- init_rate = get_highest_rate_idx(bitmap&0x0fffffff)&0x3f;
- shortGIrate = (arg & BIT(5)) ? true : false;
- if (shortGIrate)
- init_rate |= BIT(6);
- raid = (bitmap>>28) & 0x0f;
- bitmap &= 0x0fffffff;
- DBG_88E("%s=> mac_id:%d, raid:%d, ra_bitmap=0x%x, shortGIrate=0x%02x\n",
- __func__, macid, raid, bitmap, shortGIrate);
- ODM_RA_UpdateRateInfo_8188E(&(haldata->odmpriv), macid, raid, bitmap, shortGIrate);
- }
- void rtl8188e_set_FwPwrMode_cmd(struct adapter *adapt, u8 Mode)
- {
- struct setpwrmode_parm H2CSetPwrMode;
- struct pwrctrl_priv *pwrpriv = &adapt->pwrctrlpriv;
- u8 RLBM = 0; /* 0:Min, 1:Max, 2:User define */
- DBG_88E("%s: Mode=%d SmartPS=%d UAPSD=%d\n", __func__,
- Mode, pwrpriv->smart_ps, adapt->registrypriv.uapsd_enable);
- switch (Mode) {
- case PS_MODE_ACTIVE:
- H2CSetPwrMode.Mode = 0;
- break;
- case PS_MODE_MIN:
- H2CSetPwrMode.Mode = 1;
- break;
- case PS_MODE_MAX:
- RLBM = 1;
- H2CSetPwrMode.Mode = 1;
- break;
- case PS_MODE_DTIM:
- RLBM = 2;
- H2CSetPwrMode.Mode = 1;
- break;
- case PS_MODE_UAPSD_WMM:
- H2CSetPwrMode.Mode = 2;
- break;
- default:
- H2CSetPwrMode.Mode = 0;
- break;
- }
- H2CSetPwrMode.SmartPS_RLBM = (((pwrpriv->smart_ps<<4)&0xf0) | (RLBM & 0x0f));
- H2CSetPwrMode.AwakeInterval = 1;
- H2CSetPwrMode.bAllQueueUAPSD = adapt->registrypriv.uapsd_enable;
- if (Mode > 0)
- H2CSetPwrMode.PwrState = 0x00;/* AllON(0x0C), RFON(0x04), RFOFF(0x00) */
- else
- H2CSetPwrMode.PwrState = 0x0C;/* AllON(0x0C), RFON(0x04), RFOFF(0x00) */
- FillH2CCmd_88E(adapt, H2C_PS_PWR_MODE, sizeof(H2CSetPwrMode), (u8 *)&H2CSetPwrMode);
- }
- void rtl8188e_set_FwMediaStatus_cmd(struct adapter *adapt, __le16 mstatus_rpt)
- {
- u8 opmode, macid;
- u16 mst_rpt = le16_to_cpu(mstatus_rpt);
- opmode = (u8)mst_rpt;
- macid = (u8)(mst_rpt >> 8);
- DBG_88E("### %s: MStatus=%x MACID=%d\n", __func__, opmode, macid);
- FillH2CCmd_88E(adapt, H2C_COM_MEDIA_STATUS_RPT, sizeof(mst_rpt), (u8 *)&mst_rpt);
- }
- static void ConstructBeacon(struct adapter *adapt, u8 *pframe, u32 *pLength)
- {
- struct rtw_ieee80211_hdr *pwlanhdr;
- __le16 *fctrl;
- u32 rate_len, pktlen;
- struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
- struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
- struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
- u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
- fctrl = &(pwlanhdr->frame_ctl);
- *(fctrl) = 0;
- memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
- memcpy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)), ETH_ALEN);
- memcpy(pwlanhdr->addr3, cur_network->MacAddress, ETH_ALEN);
- SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
- SetFrameSubType(pframe, WIFI_BEACON);
- pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
- pktlen = sizeof(struct rtw_ieee80211_hdr_3addr);
- /* timestamp will be inserted by hardware */
- pframe += 8;
- pktlen += 8;
- /* beacon interval: 2 bytes */
- memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2);
- pframe += 2;
- pktlen += 2;
- /* capability info: 2 bytes */
- memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2);
- pframe += 2;
- pktlen += 2;
- if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) {
- pktlen += cur_network->IELength - sizeof(struct ndis_802_11_fixed_ie);
- memcpy(pframe, cur_network->IEs+sizeof(struct ndis_802_11_fixed_ie), pktlen);
- goto _ConstructBeacon;
- }
- /* below for ad-hoc mode */
- /* SSID */
- pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pktlen);
- /* supported rates... */
- rate_len = rtw_get_rateset_len(cur_network->SupportedRates);
- pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, min_t(u32, rate_len, 8), cur_network->SupportedRates, &pktlen);
- /* DS parameter set */
- pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pktlen);
- if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) {
- u32 ATIMWindow;
- /* IBSS Parameter Set... */
- ATIMWindow = 0;
- pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pktlen);
- }
- /* todo: ERP IE */
- /* EXTERNDED SUPPORTED RATE */
- if (rate_len > 8)
- pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pktlen);
- /* todo:HT for adhoc */
- _ConstructBeacon:
- if ((pktlen + TXDESC_SIZE) > 512) {
- DBG_88E("beacon frame too large\n");
- return;
- }
- *pLength = pktlen;
- }
- static void ConstructPSPoll(struct adapter *adapt, u8 *pframe, u32 *pLength)
- {
- struct rtw_ieee80211_hdr *pwlanhdr;
- struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
- struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
- __le16 *fctrl;
- struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
- pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
- /* Frame control. */
- fctrl = &(pwlanhdr->frame_ctl);
- *(fctrl) = 0;
- SetPwrMgt(fctrl);
- SetFrameSubType(pframe, WIFI_PSPOLL);
- /* AID. */
- SetDuration(pframe, (pmlmeinfo->aid | 0xc000));
- /* BSSID. */
- memcpy(pwlanhdr->addr1, pnetwork->MacAddress, ETH_ALEN);
- /* TA. */
- memcpy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)), ETH_ALEN);
- *pLength = 16;
- }
- static void ConstructNullFunctionData(struct adapter *adapt, u8 *pframe,
- u32 *pLength,
- u8 *StaAddr,
- u8 bQoS,
- u8 AC,
- u8 bEosp,
- u8 bForcePowerSave)
- {
- struct rtw_ieee80211_hdr *pwlanhdr;
- __le16 *fctrl;
- u32 pktlen;
- struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
- struct wlan_network *cur_network = &pmlmepriv->cur_network;
- struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
- struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
- struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
- pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
- fctrl = &pwlanhdr->frame_ctl;
- *(fctrl) = 0;
- if (bForcePowerSave)
- SetPwrMgt(fctrl);
- switch (cur_network->network.InfrastructureMode) {
- case Ndis802_11Infrastructure:
- SetToDs(fctrl);
- memcpy(pwlanhdr->addr1, pnetwork->MacAddress, ETH_ALEN);
- memcpy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)), ETH_ALEN);
- memcpy(pwlanhdr->addr3, StaAddr, ETH_ALEN);
- break;
- case Ndis802_11APMode:
- SetFrDs(fctrl);
- memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN);
- memcpy(pwlanhdr->addr2, pnetwork->MacAddress, ETH_ALEN);
- memcpy(pwlanhdr->addr3, myid(&(adapt->eeprompriv)), ETH_ALEN);
- break;
- case Ndis802_11IBSS:
- default:
- memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN);
- memcpy(pwlanhdr->addr2, myid(&(adapt->eeprompriv)), ETH_ALEN);
- memcpy(pwlanhdr->addr3, pnetwork->MacAddress, ETH_ALEN);
- break;
- }
- SetSeqNum(pwlanhdr, 0);
- if (bQoS) {
- struct rtw_ieee80211_hdr_3addr_qos *pwlanqoshdr;
- SetFrameSubType(pframe, WIFI_QOS_DATA_NULL);
- pwlanqoshdr = (struct rtw_ieee80211_hdr_3addr_qos *)pframe;
- SetPriority(&pwlanqoshdr->qc, AC);
- SetEOSP(&pwlanqoshdr->qc, bEosp);
- pktlen = sizeof(struct rtw_ieee80211_hdr_3addr_qos);
- } else {
- SetFrameSubType(pframe, WIFI_DATA_NULL);
- pktlen = sizeof(struct rtw_ieee80211_hdr_3addr);
- }
- *pLength = pktlen;
- }
- static void ConstructProbeRsp(struct adapter *adapt, u8 *pframe, u32 *pLength, u8 *StaAddr, bool bHideSSID)
- {
- struct rtw_ieee80211_hdr *pwlanhdr;
- __le16 *fctrl;
- u8 *mac, *bssid;
- u32 pktlen;
- struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
- struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
- struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
- pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;
- mac = myid(&(adapt->eeprompriv));
- bssid = cur_network->MacAddress;
- fctrl = &(pwlanhdr->frame_ctl);
- *(fctrl) = 0;
- memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN);
- memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
- memcpy(pwlanhdr->addr3, bssid, ETH_ALEN);
- SetSeqNum(pwlanhdr, 0);
- SetFrameSubType(fctrl, WIFI_PROBERSP);
- pktlen = sizeof(struct rtw_ieee80211_hdr_3addr);
- pframe += pktlen;
- if (cur_network->IELength > MAX_IE_SZ)
- return;
- memcpy(pframe, cur_network->IEs, cur_network->IELength);
- pframe += cur_network->IELength;
- pktlen += cur_network->IELength;
- *pLength = pktlen;
- }
- /* */
- /* Description: Fill the reserved packets that FW will use to RSVD page. */
- /* Now we just send 4 types packet to rsvd page. */
- /* (1)Beacon, (2)Ps-poll, (3)Null data, (4)ProbeRsp. */
- /* Input: */
- /* bDLFinished - false: At the first time we will send all the packets as a large packet to Hw, */
- /* so we need to set the packet length to total length. */
- /* true: At the second time, we should send the first packet (default:beacon) */
- /* to Hw again and set the length in descriptor to the real beacon length. */
- /* 2009.10.15 by tynli. */
- static void SetFwRsvdPagePkt(struct adapter *adapt, bool bDLFinished)
- {
- struct hal_data_8188e *haldata;
- struct xmit_frame *pmgntframe;
- struct pkt_attrib *pattrib;
- struct xmit_priv *pxmitpriv;
- struct mlme_ext_priv *pmlmeext;
- struct mlme_ext_info *pmlmeinfo;
- u32 BeaconLength = 0, ProbeRspLength = 0, PSPollLength;
- u32 NullDataLength, QosNullLength;
- u8 *ReservedPagePacket;
- u8 PageNum, PageNeed, TxDescLen;
- u16 BufIndex;
- u32 TotalPacketLen;
- struct rsvdpage_loc RsvdPageLoc;
- struct wlan_bssid_ex *pnetwork;
- DBG_88E("%s\n", __func__);
- ReservedPagePacket = kzalloc(1000, GFP_KERNEL);
- if (!ReservedPagePacket) {
- DBG_88E("%s: alloc ReservedPagePacket fail!\n", __func__);
- return;
- }
- haldata = GET_HAL_DATA(adapt);
- pxmitpriv = &adapt->xmitpriv;
- pmlmeext = &adapt->mlmeextpriv;
- pmlmeinfo = &pmlmeext->mlmext_info;
- pnetwork = &(pmlmeinfo->network);
- TxDescLen = TXDESC_SIZE;
- PageNum = 0;
- /* 3 (1) beacon * 2 pages */
- BufIndex = TXDESC_OFFSET;
- ConstructBeacon(adapt, &ReservedPagePacket[BufIndex], &BeaconLength);
- /* When we count the first page size, we need to reserve description size for the RSVD */
- /* packet, it will be filled in front of the packet in TXPKTBUF. */
- PageNeed = (u8)PageNum_128(TxDescLen + BeaconLength);
- /* To reserved 2 pages for beacon buffer. 2010.06.24. */
- if (PageNeed == 1)
- PageNeed += 1;
- PageNum += PageNeed;
- haldata->FwRsvdPageStartOffset = PageNum;
- BufIndex += PageNeed*128;
- /* 3 (2) ps-poll *1 page */
- RsvdPageLoc.LocPsPoll = PageNum;
- ConstructPSPoll(adapt, &ReservedPagePacket[BufIndex], &PSPollLength);
- rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], PSPollLength, true, false);
- PageNeed = (u8)PageNum_128(TxDescLen + PSPollLength);
- PageNum += PageNeed;
- BufIndex += PageNeed*128;
- /* 3 (3) null data * 1 page */
- RsvdPageLoc.LocNullData = PageNum;
- ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex], &NullDataLength, pnetwork->MacAddress, false, 0, 0, false);
- rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], NullDataLength, false, false);
- PageNeed = (u8)PageNum_128(TxDescLen + NullDataLength);
- PageNum += PageNeed;
- BufIndex += PageNeed*128;
- /* 3 (4) probe response * 1page */
- RsvdPageLoc.LocProbeRsp = PageNum;
- ConstructProbeRsp(adapt, &ReservedPagePacket[BufIndex], &ProbeRspLength, pnetwork->MacAddress, false);
- rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], ProbeRspLength, false, false);
- PageNeed = (u8)PageNum_128(TxDescLen + ProbeRspLength);
- PageNum += PageNeed;
- BufIndex += PageNeed*128;
- /* 3 (5) Qos null data */
- RsvdPageLoc.LocQosNull = PageNum;
- ConstructNullFunctionData(adapt, &ReservedPagePacket[BufIndex],
- &QosNullLength, pnetwork->MacAddress, true, 0, 0, false);
- rtl8188e_fill_fake_txdesc(adapt, &ReservedPagePacket[BufIndex-TxDescLen], QosNullLength, false, false);
- PageNeed = (u8)PageNum_128(TxDescLen + QosNullLength);
- PageNum += PageNeed;
- TotalPacketLen = BufIndex + QosNullLength;
- pmgntframe = alloc_mgtxmitframe(pxmitpriv);
- if (!pmgntframe)
- goto exit;
- /* update attribute */
- pattrib = &pmgntframe->attrib;
- update_mgntframe_attrib(adapt, pattrib);
- pattrib->qsel = 0x10;
- pattrib->last_txcmdsz = TotalPacketLen - TXDESC_OFFSET;
- pattrib->pktlen = pattrib->last_txcmdsz;
- memcpy(pmgntframe->buf_addr, ReservedPagePacket, TotalPacketLen);
- rtw_hal_mgnt_xmit(adapt, pmgntframe);
- DBG_88E("%s: Set RSVD page location to Fw\n", __func__);
- FillH2CCmd_88E(adapt, H2C_COM_RSVD_PAGE, sizeof(RsvdPageLoc), (u8 *)&RsvdPageLoc);
- exit:
- kfree(ReservedPagePacket);
- }
- void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *adapt, u8 mstatus)
- {
- struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
- struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);
- struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
- bool bSendBeacon = false;
- bool bcn_valid = false;
- u8 DLBcnCount = 0;
- u32 poll = 0;
- DBG_88E("%s mstatus(%x)\n", __func__, mstatus);
- if (mstatus == 1) {
- /* We should set AID, correct TSF, HW seq enable before set JoinBssReport to Fw in 88/92C. */
- /* Suggested by filen. Added by tynli. */
- usb_write16(adapt, REG_BCN_PSR_RPT, (0xC000|pmlmeinfo->aid));
- /* Do not set TSF again here or vWiFi beacon DMA INT will not work. */
- /* Set REG_CR bit 8. DMA beacon by SW. */
- haldata->RegCR_1 |= BIT(0);
- usb_write8(adapt, REG_CR+1, haldata->RegCR_1);
- /* Disable Hw protection for a time which revserd for Hw sending beacon. */
- /* Fix download reserved page packet fail that access collision with the protection time. */
- /* 2010.05.11. Added by tynli. */
- usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(3)));
- usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(4));
- if (haldata->RegFwHwTxQCtrl & BIT(6)) {
- DBG_88E("HalDownloadRSVDPage(): There is an Adapter is sending beacon.\n");
- bSendBeacon = true;
- }
- /* Set FWHW_TXQ_CTRL 0x422[6]=0 to tell Hw the packet is not a real beacon frame. */
- usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl&(~BIT(6))));
- haldata->RegFwHwTxQCtrl &= (~BIT(6));
- /* Clear beacon valid check bit. */
- rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
- DLBcnCount = 0;
- poll = 0;
- do {
- /* download rsvd page. */
- SetFwRsvdPagePkt(adapt, false);
- DLBcnCount++;
- do {
- yield();
- /* mdelay(10); */
- /* check rsvd page download OK. */
- rtw_hal_get_hwreg(adapt, HW_VAR_BCN_VALID, (u8 *)(&bcn_valid));
- poll++;
- } while (!bcn_valid && (poll%10) != 0 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
- } while (!bcn_valid && DLBcnCount <= 100 && !adapt->bSurpriseRemoved && !adapt->bDriverStopped);
- if (adapt->bSurpriseRemoved || adapt->bDriverStopped)
- ;
- else if (!bcn_valid)
- DBG_88E("%s: 1 Download RSVD page failed! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
- else
- DBG_88E("%s: 1 Download RSVD success! DLBcnCount:%u, poll:%u\n", __func__, DLBcnCount, poll);
- /* */
- /* We just can send the reserved page twice during the time that Tx thread is stopped (e.g. pnpsetpower) */
- /* because we need to free the Tx BCN Desc which is used by the first reserved page packet. */
- /* At run time, we cannot get the Tx Desc until it is released in TxHandleInterrupt() so we will return */
- /* the beacon TCB in the following code. 2011.11.23. by tynli. */
- /* */
- /* Enable Bcn */
- usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL) | BIT(3));
- usb_write8(adapt, REG_BCN_CTRL, usb_read8(adapt, REG_BCN_CTRL)&(~BIT(4)));
- /* To make sure that if there exists an adapter which would like to send beacon. */
- /* If exists, the origianl value of 0x422[6] will be 1, we should check this to */
- /* prevent from setting 0x422[6] to 0 after download reserved page, or it will cause */
- /* the beacon cannot be sent by HW. */
- /* 2010.06.23. Added by tynli. */
- if (bSendBeacon) {
- usb_write8(adapt, REG_FWHW_TXQ_CTRL+2, (haldata->RegFwHwTxQCtrl | BIT(6)));
- haldata->RegFwHwTxQCtrl |= BIT(6);
- }
- /* Update RSVD page location H2C to Fw. */
- if (bcn_valid) {
- rtw_hal_set_hwreg(adapt, HW_VAR_BCN_VALID, NULL);
- DBG_88E("Set RSVD page location to Fw.\n");
- }
- /* Do not enable HW DMA BCN or it will cause Pcie interface hang by timing issue. 2011.11.24. by tynli. */
- /* Clear CR[8] or beacon packet will not be send to TxBuf anymore. */
- haldata->RegCR_1 &= (~BIT(0));
- usb_write8(adapt, REG_CR+1, haldata->RegCR_1);
- }
- }
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