rtl8188eu/hal/rtl8188e_sreset.c

169 lines
5.9 KiB
C
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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_SRESET_C_
#include <rtl8188e_sreset.h>
#include <rtl8188e_hal.h>
static void _restore_security_setting(struct adapter *padapter)
{
u8 EntryId = 0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *psta;
struct security_priv *psecuritypriv = &(padapter->securitypriv);
struct mlme_ext_info *pmlmeinfo = &padapter->mlmeextpriv.mlmext_info;
(pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) ?
rtw_write8(padapter, REG_SECCFG, 0xcc) :
rtw_write8(padapter, REG_SECCFG, 0xcf);
if ((padapter->securitypriv.dot11PrivacyAlgrthm == _WEP40_) ||
(padapter->securitypriv.dot11PrivacyAlgrthm == _WEP104_)) {
for (EntryId = 0; EntryId < 4; EntryId++) {
if (EntryId == psecuritypriv->dot11PrivacyKeyIndex)
rtw_set_key(padapter, &padapter->securitypriv, EntryId, 1);
else
rtw_set_key(padapter, &padapter->securitypriv, EntryId, 0);
}
} else if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
if (psta) {
/* pairwise key */
rtw_setstakey_cmd(padapter, (unsigned char *)psta, true);
/* group key */
rtw_set_key(padapter, &padapter->securitypriv, padapter->securitypriv.dot118021XGrpKeyid, 0);
}
}
}
static void _restore_network_status(struct adapter *padapter)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(padapter);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
unsigned short caps;
u8 join_type;
/* */
/* reset related register of Beacon control */
/* set MSR to nolink */
Set_MSR(padapter, _HW_STATE_NOLINK_);
/* reject all data frame */
rtw_write16(padapter, REG_RXFLTMAP2, 0x00);
/* reset TSF */
rtw_write8(padapter, REG_DUAL_TSF_RST, (BIT(0)|BIT(1)));
/* disable update TSF */
SetBcnCtrlReg(padapter, BIT(4), 0);
/* */
rtw_joinbss_reset(padapter);
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
if (padapter->registrypriv.wifi_spec) {
/* for WiFi test, follow WMM test plan spec */
rtw_write32(padapter, REG_EDCA_VO_PARAM, 0x002F431C);
rtw_write32(padapter, REG_EDCA_VI_PARAM, 0x005E541C);
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x0000A525);
rtw_write32(padapter, REG_EDCA_BK_PARAM, 0x0000A549);
/* for WiFi test, mixed mode with intel STA under bg mode throughput issue */
if (padapter->mlmepriv.htpriv.ht_option == 0)
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x00004320);
} else {
rtw_write32(padapter, REG_EDCA_VO_PARAM, 0x002F3217);
rtw_write32(padapter, REG_EDCA_VI_PARAM, 0x005E4317);
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x00105320);
rtw_write32(padapter, REG_EDCA_BK_PARAM, 0x0000A444);
}
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress);
join_type = 0;
rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
Set_MSR(padapter, (pmlmeinfo->state & 0x3));
mlmeext_joinbss_event_callback(padapter, 1);
/* restore Sequence No. */
rtw_write8(padapter, 0x4dc, padapter->xmitpriv.nqos_ssn);
}
void rtl8188e_silentreset_for_specific_platform(struct adapter *padapter)
{
}
void rtl8188e_sreset_xmit_status_check(struct adapter *padapter)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(padapter);
struct sreset_priv *psrtpriv = &pHalData->srestpriv;
unsigned long current_time;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
unsigned int diff_time;
u32 txdma_status;
txdma_status = rtw_read32(padapter, REG_TXDMA_STATUS);
if (txdma_status != 0x00) {
DBG_88E("%s REG_TXDMA_STATUS:0x%08x\n", __func__, txdma_status);
rtw_write32(padapter, REG_TXDMA_STATUS, txdma_status);
rtl8188e_silentreset_for_specific_platform(padapter);
}
/* total xmit irp = 4 */
current_time = rtw_get_current_time();
if (0 == pxmitpriv->free_xmitbuf_cnt) {
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_time);
if (diff_time > 2000) {
if (psrtpriv->last_tx_complete_time == 0) {
psrtpriv->last_tx_complete_time = current_time;
} else {
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_complete_time);
if (diff_time > 4000) {
DBG_88E("%s tx hang\n", __func__);
rtl8188e_silentreset_for_specific_platform(padapter);
}
}
}
}
}
void rtl8188e_sreset_linked_status_check(struct adapter *padapter)
{
u32 rx_dma_status = 0;
u8 fw_status = 0;
rx_dma_status = rtw_read32(padapter, REG_RXDMA_STATUS);
if (rx_dma_status != 0x00) {
DBG_88E("%s REG_RXDMA_STATUS:0x%08x\n", __func__, rx_dma_status);
rtw_write32(padapter, REG_RXDMA_STATUS, rx_dma_status);
}
fw_status = rtw_read8(padapter, REG_FMETHR);
if (fw_status != 0x00) {
if (fw_status == 1)
DBG_88E("%s REG_FW_STATUS (0x%02x), Read_Efuse_Fail !!\n", __func__, fw_status);
else if (fw_status == 2)
DBG_88E("%s REG_FW_STATUS (0x%02x), Condition_No_Match !!\n", __func__, fw_status);
}
}