kernel/drivers/staging/rtl8188eu/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  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20
  21
  22 #define _MLME_OSDEP_C_
  23
  24 #include <osdep_service.h>
  25 #include <drv_types.h>
  26 #include <mlme_osdep.h>
  27
  28 void rtw_init_mlme_timer(struct adapter *padapter)
  29 {
  30         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  31
  32         setup_timer(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler,
  33                     (unsigned long)padapter);
  34         setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler,
  35                     (unsigned long)padapter);
  36         setup_timer(&pmlmepriv->dynamic_chk_timer,
  37                     rtw_dynamic_check_timer_handlder, (unsigned long)padapter);
  38 }
  39
  40 void rtw_os_indicate_connect(struct adapter *adapter)
  41 {
  42         rtw_indicate_wx_assoc_event(adapter);
  43         netif_carrier_on(adapter->pnetdev);
  44         if (adapter->pid[2] != 0)
  45                 rtw_signal_process(adapter->pid[2], SIGALRM);
  46 }
  47
  48 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  49 {
  50         indicate_wx_scan_complete_event(padapter);
  51 }
  52
  53 static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
  54
  55 void rtw_reset_securitypriv(struct adapter *adapter)
  56 {
  57         u8      backup_index = 0;
  58         u8      backup_counter = 0x00;
  59         u32     backup_time = 0;
  60
  61         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  62                 /* 802.1x */
  63                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  64                 /*  Backup the btkip_countermeasure information. */
  65                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  66                 memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  67                 backup_index = adapter->securitypriv.PMKIDIndex;
  68                 backup_counter = adapter->securitypriv.btkip_countermeasure;
  69                 backup_time = adapter->securitypriv.btkip_countermeasure_time;
  70                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
  71
  72                 /*  Restore the PMK information to securitypriv structure for the following connection. */
  73                 memcpy(&adapter->securitypriv.PMKIDList[0],
  74                             &backup_pmkid[0],
  75                             sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  76                 adapter->securitypriv.PMKIDIndex = backup_index;
  77                 adapter->securitypriv.btkip_countermeasure = backup_counter;
  78                 adapter->securitypriv.btkip_countermeasure_time = backup_time;
  79                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
  80                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
  81         } else {
  82                 /* reset values in securitypriv */
  83                 struct security_priv *psec_priv = &adapter->securitypriv;
  84
  85                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;  /* open system */
  86                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  87                 psec_priv->dot11PrivacyKeyIndex = 0;
  88                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  89                 psec_priv->dot118021XGrpKeyid = 1;
  90                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  91                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  92         }
  93 }
  94
  95 void rtw_os_indicate_disconnect(struct adapter *adapter)
  96 {
  97         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
  98         rtw_indicate_wx_disassoc_event(adapter);
  99          rtw_reset_securitypriv(adapter);
 100 }
 101
 102 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 103 {
 104         uint    len;
 105         u8      *buff, *p, i;
 106         union iwreq_data wrqu;
 107
 108         RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 109                  ("+rtw_report_sec_ie, authmode=%d\n", authmode));
 110         buff = NULL;
 111         if (authmode == _WPA_IE_ID_) {
 112                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 113                          ("rtw_report_sec_ie, authmode=%d\n", authmode));
 114                 buff = rtw_malloc(IW_CUSTOM_MAX);
 115                 if (!buff)
 116                         return;
 117                 memset(buff, 0, IW_CUSTOM_MAX);
 118                 p = buff;
 119                 p += sprintf(p, "ASSOCINFO(ReqIEs =");
 120                 len = sec_ie[1]+2;
 121                 len =  (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
 122                 for (i = 0; i < len; i++)
 123                         p += sprintf(p, "%02x", sec_ie[i]);
 124                 p += sprintf(p, ")");
 125                 memset(&wrqu, 0, sizeof(wrqu));
 126                 wrqu.data.length = p-buff;
 127                 wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ?
 128                                    wrqu.data.length : IW_CUSTOM_MAX;
 129                 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
 130                 kfree(buff);
 131         }
 132 }
 133
 134 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 135 {
 136         setup_timer(&psta->addba_retry_timer, addba_timer_hdl,
 137                     (unsigned long)psta);
 138 }
 139
 140 void init_mlme_ext_timer(struct adapter *padapter)
 141 {
 142         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 143
 144         setup_timer(&pmlmeext->survey_timer, survey_timer_hdl,
 145                     (unsigned long)padapter);
 146         setup_timer(&pmlmeext->link_timer, link_timer_hdl,
 147                     (unsigned long)padapter);
 148 }
 149
 150 #ifdef CONFIG_88EU_AP_MODE
 151
 152 void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
 153 {
 154         union iwreq_data wrqu;
 155         struct sta_priv *pstapriv = &padapter->stapriv;
 156
 157         if (psta == NULL)
 158                 return;
 159
 160         if (psta->aid > NUM_STA)
 161                 return;
 162
 163         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 164                 return;
 165
 166
 167         wrqu.addr.sa_family = ARPHRD_ETHER;
 168
 169         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 170
 171         DBG_88E("+rtw_indicate_sta_assoc_event\n");
 172
 173         wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
 174 }
 175
 176 void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
 177 {
 178         union iwreq_data wrqu;
 179         struct sta_priv *pstapriv = &padapter->stapriv;
 180
 181         if (psta == NULL)
 182                 return;
 183
 184         if (psta->aid > NUM_STA)
 185                 return;
 186
 187         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 188                 return;
 189
 190
 191         wrqu.addr.sa_family = ARPHRD_ETHER;
 192
 193         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 194
 195         DBG_88E("+rtw_indicate_sta_disassoc_event\n");
 196
 197         wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
 198 }
 199
 200 #endif