diff options
Diffstat (limited to 'drivers/net/wireless/rtl8192ce/hal/rtl8192c/rtl8192c_sreset.c')
| -rwxr-xr-x | drivers/net/wireless/rtl8192ce/hal/rtl8192c/rtl8192c_sreset.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtl8192ce/hal/rtl8192c/rtl8192c_sreset.c b/drivers/net/wireless/rtl8192ce/hal/rtl8192c/rtl8192c_sreset.c new file mode 100755 index 000000000000..b3718d9a0672 --- /dev/null +++ b/drivers/net/wireless/rtl8192ce/hal/rtl8192c/rtl8192c_sreset.c @@ -0,0 +1,234 @@ +/****************************************************************************** + * + * 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 + * + * + ******************************************************************************/ +#include <rtl8192c_sreset.h> +#include <rtl8192c_hal.h> +#ifdef DBG_CONFIG_ERROR_DETECT +extern void rtw_cancel_all_timer(_adapter *padapter); +static void _restore_security_setting(_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 == NULL) { + //DEBUG_ERR( ("Set wpa_set_encryption: Obtain Sta_info fail \n")); + } + else + { + //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(_adapter *padapter) +{ + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX*)(&(pmlmeinfo->network)); + unsigned short caps; + u8 join_type; +#if 1 + + //======================================================= + // 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 + if(IS_NORMAL_CHIP(pHalData->VersionID)) + rtw_write8(padapter, REG_BCN_CTRL, rtw_read8(padapter, REG_BCN_CTRL)|BIT(4)); + else + rtw_write8(padapter, REG_BCN_CTRL, rtw_read8(padapter, REG_BCN_CTRL)|BIT(4)|BIT(5)); + + //======================================================= + rtw_joinbss_reset(padapter); + set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); + //pmlmeinfo->assoc_AP_vendor = maxAP; + + 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); + } + + //disable dynamic functions, such as high power, DIG + //Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, _FALSE); +#endif + + padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress); + join_type = 0; + padapter->HalFunc.SetHwRegHandler(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 rtl8192c_silentreset_for_specific_platform(_adapter *padapter) +{ + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + struct sreset_priv *psrtpriv = &pHalData->srestpriv; + + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + _irqL irqL; + +#ifdef DBG_CONFIG_ERROR_RESET + + DBG_871X("%s\n", __FUNCTION__); + + psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS; + + if (!rtw_netif_queue_stopped(padapter->pnetdev)) + rtw_netif_stop_queue(padapter->pnetdev); + + rtw_cancel_all_timer(padapter); + tasklet_kill(&pxmitpriv->xmit_tasklet); + + _enter_critical_mutex(&psrtpriv->silentreset_mutex, &irqL); + psrtpriv->silent_reset_inprogress = _TRUE; + pwrpriv->change_rfpwrstate = rf_off; +#ifdef CONFIG_IPS + ips_enter(padapter); + ips_leave(padapter); +#endif + if(check_fwstate(pmlmepriv, _FW_LINKED)== _TRUE) + { + _restore_network_status(padapter); + _restore_security_setting(padapter); + } + + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING); + + psrtpriv->silent_reset_inprogress = _FALSE; + _exit_critical_mutex(&psrtpriv->silentreset_mutex, &irqL); + + tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); + _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000); + + if (netif_queue_stopped(padapter->pnetdev)) + netif_wake_queue(padapter->pnetdev); +#endif +} + +void rtl8192c_sreset_xmit_status_check(_adapter *padapter) +{ + HAL_DATA_TYPE *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; + if( (txdma_status=rtw_read32(padapter, REG_TXDMA_STATUS)) !=0x00){ + DBG_871X("%s REG_TXDMA_STATUS:0x%08x\n", __FUNCTION__, txdma_status); + rtl8192c_silentreset_for_specific_platform(padapter); + } + + //total xmit irp = 4 + //DBG_8192C("==>%s free_xmitbuf_cnt(%d),txirp_cnt(%d)\n",__FUNCTION__,pxmitpriv->free_xmitbuf_cnt,pxmitpriv->txirp_cnt); + //if(pxmitpriv->txirp_cnt == NR_XMITBUFF+1) + 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){ + //padapter->Wifi_Error_Status = WIFI_TX_HANG; + DBG_8192C("%s tx hang\n", __FUNCTION__); + rtl8192c_silentreset_for_specific_platform(padapter); + } + } + } + } +} +void rtl8192c_sreset_linked_status_check(_adapter *padapter) +{ + u32 regc50,regc58,reg824,reg800; + regc50 = rtw_read32(padapter,0xc50); + regc58 = rtw_read32(padapter,0xc58); + reg824 = rtw_read32(padapter,0x824); + reg800 = rtw_read32(padapter,0x800); + if( ((regc50&0xFFFFFF00)!= 0x69543400)|| + ((regc58&0xFFFFFF00)!= 0x69543400)|| + (((reg824&0xFFFFFF00)!= 0x00390000)&&(((reg824&0xFFFFFF00)!= 0x80390000)))|| + ( ((reg800&0xFFFFFF00)!= 0x03040000)&&((reg800&0xFFFFFF00)!= 0x83040000))) + { + DBG_8192C("%s regc50:0x%08x, regc58:0x%08x, reg824:0x%08x, reg800:0x%08x,\n", __FUNCTION__, + regc50, regc58, reg824, reg800); + rtl8192c_silentreset_for_specific_platform(padapter); + } +} +#endif + |