diff options
Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_sreset.c')
| -rw-r--r-- | drivers/staging/rtl8723au/core/rtw_sreset.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/core/rtw_sreset.c b/drivers/staging/rtl8723au/core/rtw_sreset.c new file mode 100644 index 0000000..4f745920 --- /dev/null +++ b/drivers/staging/rtl8723au/core/rtw_sreset.c @@ -0,0 +1,255 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 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. + * + ******************************************************************************/ + +#include<rtw_sreset.h> + +void sreset_init_value23a(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + struct sreset_priv *psrtpriv = &pHalData->srestpriv; + + mutex_init(&psrtpriv->silentreset_mutex); + psrtpriv->silent_reset_inprogress = false; + psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS; + psrtpriv->last_tx_time = 0; + psrtpriv->last_tx_complete_time = 0; +} +void sreset_reset_value23a(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + struct sreset_priv *psrtpriv = &pHalData->srestpriv; + + psrtpriv->silent_reset_inprogress = false; + psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS; + psrtpriv->last_tx_time = 0; + psrtpriv->last_tx_complete_time = 0; +} + +u8 sreset_get_wifi_status23a(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + struct sreset_priv *psrtpriv = &pHalData->srestpriv; + u8 status = WIFI_STATUS_SUCCESS; + u32 val32 = 0; + + if (psrtpriv->silent_reset_inprogress) + return status; + val32 = rtw_read32(padapter, REG_TXDMA_STATUS); + if (val32 == 0xeaeaeaea) { + psrtpriv->Wifi_Error_Status = WIFI_IF_NOT_EXIST; + } else if (val32 != 0) { + DBG_8723A("txdmastatu(%x)\n", val32); + psrtpriv->Wifi_Error_Status = WIFI_MAC_TXDMA_ERROR; + } + + if (WIFI_STATUS_SUCCESS != psrtpriv->Wifi_Error_Status) { + DBG_8723A("==>%s error_status(0x%x)\n", __func__, psrtpriv->Wifi_Error_Status); + status = (psrtpriv->Wifi_Error_Status &~(USB_READ_PORT_FAIL|USB_WRITE_PORT_FAIL)); + } + DBG_8723A("==> %s wifi_status(0x%x)\n", __func__, status); + + /* status restore */ + psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS; + + return status; +} + +void sreset_set_wifi_error_status23a(struct rtw_adapter *padapter, u32 status) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + + pHalData->srestpriv.Wifi_Error_Status = status; +} + +void sreset_set_trigger_point(struct rtw_adapter *padapter, s32 tgp) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + + pHalData->srestpriv.dbg_trigger_point = tgp; +} + +bool sreset_inprogress(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + + return pHalData->srestpriv.silent_reset_inprogress; +} + +static void sreset_restore_security_station(struct rtw_adapter *padapter) +{ + struct mlme_priv *mlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct sta_info *psta; + struct mlme_ext_info *pmlmeinfo = &padapter->mlmeextpriv.mlmext_info; + u8 val8; + + if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) + val8 = 0xcc; + else + val8 = 0xcf; + rtw_hal_set_hwreg23a(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); + + if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) || + (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { + psta = rtw_get_stainfo23a(pstapriv, get_bssid(mlmepriv)); + if (psta == NULL) { + /* DEBUG_ERR(("Set wpa_set_encryption: Obtain Sta_info fail\n")); */ + } else { + /* pairwise key */ + rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true); + /* group key */ + rtw_set_key23a(padapter,&padapter->securitypriv, padapter->securitypriv.dot118021XGrpKeyid, 0); + } + } +} + +static void sreset_restore_network_station(struct rtw_adapter *padapter) +{ + struct mlme_priv *mlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + u8 threshold; + + rtw_setopmode_cmd23a(padapter, Ndis802_11Infrastructure); + + /* TH = 1 => means that invalidate usb rx aggregation */ + /* TH = 0 => means that validate usb rx aggregation, use init value. */ + if (mlmepriv->htpriv.ht_option) { + if (padapter->registrypriv.wifi_spec == 1) + threshold = 1; + else + threshold = 0; + rtw_hal_set_hwreg23a(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); + } else { + threshold = 1; + rtw_hal_set_hwreg23a(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); + } + + set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); + + /* disable dynamic functions, such as high power, DIG */ + /* Switch_DM_Func23a(padapter, DYNAMIC_FUNC_DISABLE, false); */ + + rtw_hal_set_hwreg23a(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress); + + { + u8 join_type = 0; + rtw_hal_set_hwreg23a(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); + } + + Set_MSR23a(padapter, (pmlmeinfo->state & 0x3)); + + mlmeext_joinbss_event_callback23a(padapter, 1); + /* restore Sequence No. */ + rtw_write8(padapter, 0x4dc, padapter->xmitpriv.nqos_ssn); + + sreset_restore_security_station(padapter); +} + +static void sreset_restore_network_status(struct rtw_adapter *padapter) +{ + struct mlme_priv *mlmepriv = &padapter->mlmepriv; + + if (check_fwstate(mlmepriv, WIFI_STATION_STATE)) { + DBG_8723A(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_STATION_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(mlmepriv)); + sreset_restore_network_station(padapter); +#ifdef CONFIG_8723AU_AP_MODE + } else if (check_fwstate(mlmepriv, WIFI_AP_STATE)) { + DBG_8723A(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_AP_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(mlmepriv)); + rtw_ap_restore_network(padapter); +#endif + } else if (check_fwstate(mlmepriv, WIFI_ADHOC_STATE)) { + DBG_8723A(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_ADHOC_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(mlmepriv)); + } else { + DBG_8723A(FUNC_ADPT_FMT" fwstate:0x%08x - ???\n", FUNC_ADPT_ARG(padapter), get_fwstate(mlmepriv)); + } +} + +static void sreset_stop_adapter(struct rtw_adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + if (padapter == NULL) + return; + + DBG_8723A(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); + + if (!rtw_netif_queue_stopped(padapter->pnetdev)) + netif_tx_stop_all_queues(padapter->pnetdev); + + rtw_cancel_all_timer23a(padapter); + + /* TODO: OS and HCI independent */ + tasklet_kill(&pxmitpriv->xmit_tasklet); + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) + rtw_scan_abort23a(padapter); + + if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) + rtw23a_join_to_handler((unsigned long)padapter); +} + +static void sreset_start_adapter(struct rtw_adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + if (padapter == NULL) + return; + + DBG_8723A(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); + + if (check_fwstate(pmlmepriv, _FW_LINKED)) { + sreset_restore_network_status(padapter); + } + + /* TODO: OS and HCI independent */ + tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); + + mod_timer(&padapter->mlmepriv.dynamic_chk_timer, + jiffies + msecs_to_jiffies(2000)); + + if (rtw_netif_queue_stopped(padapter->pnetdev)) + netif_tx_wake_all_queues(padapter->pnetdev); +} + +void sreset_reset(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + struct sreset_priv *psrtpriv = &pHalData->srestpriv; + struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; + unsigned long start = jiffies; + + DBG_8723A("%s\n", __func__); + + psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS; + + mutex_lock(&psrtpriv->silentreset_mutex); + psrtpriv->silent_reset_inprogress = true; + pwrpriv->change_rfpwrstate = rf_off; + + sreset_stop_adapter(padapter); + + ips_enter23a(padapter); + ips_leave23a(padapter); + + sreset_start_adapter(padapter); + psrtpriv->silent_reset_inprogress = false; + mutex_unlock(&psrtpriv->silentreset_mutex); + + DBG_8723A("%s done in %d ms\n", __func__, + jiffies_to_msecs(jiffies - start)); +} |
