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/******************************************************************************
*
* 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, 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("%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));
}
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