diff options
Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_sreset.c')
| -rw-r--r-- | drivers/staging/rtl8723au/core/rtw_sreset.c | 214 |
1 files changed, 214 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 000000000..29a29d92a --- /dev/null +++ b/drivers/staging/rtl8723au/core/rtw_sreset.c @@ -0,0 +1,214 @@ +/****************************************************************************** + * + * 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> +#include <usb_ops_linux.h> + +void rtw_sreset_init(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->last_tx_time = 0; + psrtpriv->last_tx_complete_time = 0; +} + +void rtw_sreset_reset_value(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->last_tx_time = 0; + psrtpriv->last_tx_complete_time = 0; +} + +bool rtw_sreset_inprogress(struct rtw_adapter *padapter) +{ + struct rtw_adapter *primary_adapter = GET_PRIMARY_ADAPTER(padapter); + struct hal_data_8723a *pHalData = GET_HAL_DATA(primary_adapter); + + 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; + + rtl8723a_set_sec_cfg(padapter, val8); + + if (padapter->securitypriv.dot11PrivacyAlgrthm == + WLAN_CIPHER_SUITE_TKIP || + padapter->securitypriv.dot11PrivacyAlgrthm == + WLAN_CIPHER_SUITE_CCMP) { + 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, NL80211_IFTYPE_STATION); + + /* 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; + } else + threshold = 1; + + rtl8723a_set_rxdma_agg_pg_th(padapter, threshold); + + set_channel_bwmode23a(padapter, pmlmeext->cur_channel, + pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); + + hw_var_set_bssid(padapter, pmlmeinfo->network.MacAddress); + hw_var_set_mlme_join(padapter, 0); + + rtl8723a_set_media_status(padapter, pmlmeinfo->state & 0x3); + + mlmeext_joinbss_event_callback23a(padapter, 1); + /* restore Sequence No. */ + rtl8723au_write8(padapter, REG_NQOS_SEQ, 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("%s(%s): fwstate:0x%08x - WIFI_STATION_STATE\n", + __func__, padapter->pnetdev->name, + get_fwstate(mlmepriv)); + sreset_restore_network_station(padapter); +#ifdef CONFIG_8723AU_AP_MODE + } else if (check_fwstate(mlmepriv, WIFI_AP_STATE)) { + DBG_8723A("%s(%s): fwstate:0x%08x - WIFI_AP_STATE\n", + __func__, padapter->pnetdev->name, + get_fwstate(mlmepriv)); + rtw_ap_restore_network(padapter); +#endif + } else if (check_fwstate(mlmepriv, WIFI_ADHOC_STATE)) { + DBG_8723A("%s(%s): fwstate:0x%08x - WIFI_ADHOC_STATE\n", + __func__, padapter->pnetdev->name, + get_fwstate(mlmepriv)); + } else { + DBG_8723A("%s(%s): fwstate:0x%08x - ???\n", __func__, + padapter->pnetdev->name, 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("%s(%s)\n", __func__, padapter->pnetdev->name); + + 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("%s(%s)\n", __func__, padapter->pnetdev->name); + + 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 rtw_sreset_reset(struct rtw_adapter *active_adapter) +{ + struct rtw_adapter *padapter = GET_PRIMARY_ADAPTER(active_adapter); + 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__); + + 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)); +} |