https://github.com/torvalds/linux
Tip revision: e26081808edadfd257c6c9d81014e3b25e9a6118 authored by Linus Torvalds on 18 May 2015, 17:13:47 UTC
Linux 4.1-rc4
Linux 4.1-rc4
Tip revision: e260818
rtl8188e_cmd.c
/******************************************************************************
*
* 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;
}
u8 rtl8188e_set_raid_cmd(struct adapter *adapt, u32 mask)
{
u8 buf[3];
u8 res = _SUCCESS;
struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
if (haldata->fw_ractrl) {
memset(buf, 0, 3);
put_unaligned_le32(mask, buf);
FillH2CCmd_88E(adapt, H2C_DM_MACID_CFG, 3, buf);
} else {
DBG_88E("==>%s fw dont support RA\n", __func__);
res = _FAIL;
}
return res;
}
/* 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_, ((rate_len > 8) ? 8 : rate_len), 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 == NULL) {
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 == NULL)
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 |= BIT0;
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&BIT6) {
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&(~BIT6)));
haldata->RegFwHwTxQCtrl &= (~BIT6);
/* 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|BIT6));
haldata->RegFwHwTxQCtrl |= BIT6;
}
/* 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 &= (~BIT0);
usb_write8(adapt, REG_CR+1, haldata->RegCR_1);
}
}