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 = (struct 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 = (struct 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                 memset(&backupPMKIDList[ 0 ], 0x00, sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  95
  96                 memcpy(&backupPMKIDList[ 0 ], &adapter->securitypriv.PMKIDList[ 0 ], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  97                 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
  98                 backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
  99                 backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
 100
 101                 /* reset RX BIP packet number */
 102                 pmlmeext->mgnt_80211w_IPN_rx = 0;
 103
 104                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof (struct security_priv));
 105
 106                 /*  Added by Albert 2009/02/18 */
 107                 /*  Restore the PMK information to securitypriv structure for the following connection. */
 108                 memcpy(&adapter->securitypriv.PMKIDList[ 0 ], &backupPMKIDList[ 0 ], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
 109                 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
 110                 adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
 111                 adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
 112
 113                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
 114                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
 115
 116         }
 117         else /* reset values in securitypriv */
 118         {
 119                 /* if (adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */
 120                 /*  */
 121                 struct security_priv *psec_priv =&adapter->securitypriv;
 122
 123                 psec_priv->dot11AuthAlgrthm =dot11AuthAlgrthm_Open;  /* open system */
 124                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
 125                 psec_priv->dot11PrivacyKeyIndex = 0;
 126
 127                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 128                 psec_priv->dot118021XGrpKeyid = 1;
 129
 130                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
 131                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
 132                 /*  */
 133         }
 134         /*  add for CONFIG_IEEE80211W, none 11w also can use */
 135         spin_unlock_bh(&adapter->security_key_mutex);
 136 }
 137
 138 void rtw_os_indicate_disconnect(struct adapter *adapter)
 139 {
 140         /* RT_PMKID_LIST   backupPMKIDList[ NUM_PMKID_CACHE ]; */
 141
 142         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
 143
 144         rtw_cfg80211_indicate_disconnect(adapter);
 145
 146         rtw_indicate_wx_disassoc_event(adapter);
 147
 148          /* modify for CONFIG_IEEE80211W, none 11w also can use the same command */
 149          rtw_reset_securitypriv_cmd(adapter);
 150 }
 151
 152 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 153 {
 154         uint    len;
 155         u8 *buff,*p, i;
 156         union iwreq_data wrqu;
 157
 158         RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("+rtw_report_sec_ie, authmode =%d\n", authmode));
 159
 160         buff = NULL;
 161         if (authmode == _WPA_IE_ID_)
 162         {
 163                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("rtw_report_sec_ie, authmode =%d\n", authmode));
 164
 165                 buff = rtw_zmalloc(IW_CUSTOM_MAX);
 166                 if (NULL == buff) {
 167                         DBG_871X(FUNC_ADPT_FMT ": alloc memory FAIL!!\n",
 168                                 FUNC_ADPT_ARG(adapter));
 169                         return;
 170                 }
 171                 p = buff;
 172
 173                 p+=sprintf(p,"ASSOCINFO(ReqIEs =");
 174
 175                 len = sec_ie[1]+2;
 176                 len = (len < IW_CUSTOM_MAX) ? len:IW_CUSTOM_MAX;
 177
 178                 for (i = 0;i<len;i++) {
 179                         p+=sprintf(p,"%02x", sec_ie[i]);
 180                 }
 181
 182                 p+=sprintf(p,")");
 183
 184                 memset(&wrqu, 0, sizeof(wrqu));
 185
 186                 wrqu.data.length =p-buff;
 187
 188                 wrqu.data.length = (wrqu.data.length<IW_CUSTOM_MAX) ? wrqu.data.length:IW_CUSTOM_MAX;
 189
 190                 kfree(buff);
 191         }
 192 }
 193
 194 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 195 {
 196         _init_timer(&psta->addba_retry_timer, padapter->pnetdev, addba_timer_hdl, psta);
 197 }
 198
 199 void init_mlme_ext_timer(struct adapter *padapter)
 200 {
 201         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 202
 203         _init_timer(&pmlmeext->survey_timer, padapter->pnetdev, survey_timer_hdl, padapter);
 204         _init_timer(&pmlmeext->link_timer, padapter->pnetdev, link_timer_hdl, padapter);
 205         _init_timer(&pmlmeext->sa_query_timer, padapter->pnetdev, sa_query_timer_hdl, padapter);
 206 }