drivers/staging/rtl8723bs/os_dep/mlme_linux.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  ******************************************************************************/
  15
  16
  17 #define _MLME_OSDEP_C_
  18
  19 #include <drv_types.h>
  20 #include <rtw_debug.h>
  21
  22 static void _dynamic_check_timer_handlder (void *FunctionContext)
  23 {
  24         struct adapter *adapter = FunctionContext;
  25
  26         rtw_dynamic_check_timer_handlder(adapter);
  27
  28         _set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
  29 }
  30
  31 static void _rtw_set_scan_deny_timer_hdl(void *FunctionContext)
  32 {
  33         struct adapter *adapter = FunctionContext;
  34         rtw_set_scan_deny_timer_hdl(adapter);
  35 }
  36
  37 void rtw_init_mlme_timer(struct adapter *padapter)
  38 {
  39         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  40
  41         _init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, _rtw_join_timeout_handler, padapter);
  42         /* _init_timer(&(pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer), padapter->pnetdev, sitesurvey_ctrl_handler, padapter); */
  43         _init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, rtw_scan_timeout_handler, padapter);
  44
  45         _init_timer(&(pmlmepriv->dynamic_chk_timer), padapter->pnetdev, _dynamic_check_timer_handlder, padapter);
  46
  47         _init_timer(&(pmlmepriv->set_scan_deny_timer), padapter->pnetdev, _rtw_set_scan_deny_timer_hdl, padapter);
  48 }
  49
  50 void rtw_os_indicate_connect(struct adapter *adapter)
  51 {
  52         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
  53
  54         if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ==true) ||
  55                 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ==true))
  56         {
  57                 rtw_cfg80211_ibss_indicate_connect(adapter);
  58         }
  59         else
  60                 rtw_cfg80211_indicate_connect(adapter);
  61
  62         rtw_indicate_wx_assoc_event(adapter);
  63         netif_carrier_on(adapter->pnetdev);
  64
  65         if (adapter->pid[2] != 0)
  66                 rtw_signal_process(adapter->pid[2], SIGALRM);
  67 }
  68
  69 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  70 {
  71         rtw_cfg80211_indicate_scan_done(padapter, aborted);
  72         indicate_wx_scan_complete_event(padapter);
  73 }
  74
  75 static RT_PMKID_LIST   backupPMKIDList[ NUM_PMKID_CACHE ];
  76 void rtw_reset_securitypriv(struct adapter *adapter)
  77 {
  78         u8 backupPMKIDIndex = 0;
  79         u8 backupTKIPCountermeasure = 0x00;
  80         u32 backupTKIPcountermeasure_time = 0;
  81         /*  add for CONFIG_IEEE80211W, none 11w also can use */
  82         struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
  83
  84         spin_lock_bh(&adapter->security_key_mutex);
  85
  86         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)/* 802.1x */
  87         {
  88                 /*  Added by Albert 2009/02/18 */
  89                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  90                 /*  */
  91                 /*  Backup the btkip_countermeasure information. */
  92                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  93
  94                 memcpy(&backupPMKIDList[ 0 ], &adapter->securitypriv.PMKIDList[ 0 ], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  95                 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
  96                 backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
  97                 backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
  98
  99                 /* reset RX BIP packet number */
 100                 pmlmeext->mgnt_80211w_IPN_rx = 0;
 101
 102                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof (struct security_priv));
 103
 104                 /*  Added by Albert 2009/02/18 */
 105                 /*  Restore the PMK information to securitypriv structure for the following connection. */
 106                 memcpy(&adapter->securitypriv.PMKIDList[ 0 ], &backupPMKIDList[ 0 ], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
 107                 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
 108                 adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
 109                 adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
 110
 111                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
 112                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
 113
 114         }
 115         else /* reset values in securitypriv */
 116         {
 117                 /* if (adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */
 118                 /*  */
 119                 struct security_priv *psec_priv =&adapter->securitypriv;
 120
 121                 psec_priv->dot11AuthAlgrthm =dot11AuthAlgrthm_Open;  /* open system */
 122                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
 123                 psec_priv->dot11PrivacyKeyIndex = 0;
 124
 125                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 126                 psec_priv->dot118021XGrpKeyid = 1;
 127
 128                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
 129                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
 130                 /*  */
 131         }
 132         /*  add for CONFIG_IEEE80211W, none 11w also can use */
 133         spin_unlock_bh(&adapter->security_key_mutex);
 134 }
 135
 136 void rtw_os_indicate_disconnect(struct adapter *adapter)
 137 {
 138         /* RT_PMKID_LIST   backupPMKIDList[ NUM_PMKID_CACHE ]; */
 139
 140         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
 141
 142         rtw_cfg80211_indicate_disconnect(adapter);
 143
 144         rtw_indicate_wx_disassoc_event(adapter);
 145
 146         /* modify for CONFIG_IEEE80211W, none 11w also can use the same command */
 147         rtw_reset_securitypriv_cmd(adapter);
 148 }
 149
 150 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 151 {
 152         uint    len;
 153         u8 *buff,*p, i;
 154         union iwreq_data wrqu;
 155
 156         RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("+rtw_report_sec_ie, authmode =%d\n", authmode));
 157
 158         buff = NULL;
 159         if (authmode == _WPA_IE_ID_)
 160         {
 161                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("rtw_report_sec_ie, authmode =%d\n", authmode));
 162
 163                 buff = rtw_zmalloc(IW_CUSTOM_MAX);
 164                 if (NULL == buff) {
 165                         DBG_871X(FUNC_ADPT_FMT ": alloc memory FAIL!!\n",
 166                                 FUNC_ADPT_ARG(adapter));
 167                         return;
 168                 }
 169                 p = buff;
 170
 171                 p+=sprintf(p,"ASSOCINFO(ReqIEs =");
 172
 173                 len = sec_ie[1]+2;
 174                 len = (len < IW_CUSTOM_MAX) ? len:IW_CUSTOM_MAX;
 175
 176                 for (i = 0;i<len;i++) {
 177                         p+=sprintf(p,"%02x", sec_ie[i]);
 178                 }
 179
 180                 p+=sprintf(p,")");
 181
 182                 memset(&wrqu, 0, sizeof(wrqu));
 183
 184                 wrqu.data.length =p-buff;
 185
 186                 wrqu.data.length = (wrqu.data.length<IW_CUSTOM_MAX) ? wrqu.data.length:IW_CUSTOM_MAX;
 187
 188                 kfree(buff);
 189         }
 190 }
 191
 192 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 193 {
 194         _init_timer(&psta->addba_retry_timer, padapter->pnetdev, addba_timer_hdl, psta);
 195 }
 196
 197 void init_mlme_ext_timer(struct adapter *padapter)
 198 {
 199         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 200
 201         _init_timer(&pmlmeext->survey_timer, padapter->pnetdev, survey_timer_hdl, padapter);
 202         _init_timer(&pmlmeext->link_timer, padapter->pnetdev, link_timer_hdl, padapter);
 203         _init_timer(&pmlmeext->sa_query_timer, padapter->pnetdev, sa_query_timer_hdl, padapter);
 204 }