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 }
  45
  46 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  47 {
  48         indicate_wx_scan_complete_event(padapter);
  49 }
  50
  51 static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
  52
  53 void rtw_reset_securitypriv(struct adapter *adapter)
  54 {
  55         u8      backup_index = 0;
  56         u8      backup_counter = 0x00;
  57         u32     backup_time = 0;
  58
  59         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  60                 /* 802.1x */
  61                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  62                 /*  Backup the btkip_countermeasure information. */
  63                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  64                 memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  65                 backup_index = adapter->securitypriv.PMKIDIndex;
  66                 backup_counter = adapter->securitypriv.btkip_countermeasure;
  67                 backup_time = adapter->securitypriv.btkip_countermeasure_time;
  68                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
  69
  70                 /*  Restore the PMK information to securitypriv structure for the following connection. */
  71                 memcpy(&adapter->securitypriv.PMKIDList[0],
  72                             &backup_pmkid[0],
  73                             sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  74                 adapter->securitypriv.PMKIDIndex = backup_index;
  75                 adapter->securitypriv.btkip_countermeasure = backup_counter;
  76                 adapter->securitypriv.btkip_countermeasure_time = backup_time;
  77                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
  78                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
  79         } else {
  80                 /* reset values in securitypriv */
  81                 struct security_priv *psec_priv = &adapter->securitypriv;
  82
  83                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  84                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  85                 psec_priv->dot11PrivacyKeyIndex = 0;
  86                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  87                 psec_priv->dot118021XGrpKeyid = 1;
  88                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  89                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  90         }
  91 }
  92
  93 void rtw_os_indicate_disconnect(struct adapter *adapter)
  94 {
  95         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
  96         rtw_indicate_wx_disassoc_event(adapter);
  97          rtw_reset_securitypriv(adapter);
  98 }
  99
 100 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 101 {
 102         uint    len;
 103         u8      *buff, *p, i;
 104         union iwreq_data wrqu;
 105
 106         RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 107                  ("+rtw_report_sec_ie, authmode=%d\n", authmode));
 108         buff = NULL;
 109         if (authmode == _WPA_IE_ID_) {
 110                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 111                          ("rtw_report_sec_ie, authmode=%d\n", authmode));
 112                 buff = rtw_malloc(IW_CUSTOM_MAX);
 113                 if (!buff)
 114                         return;
 115                 memset(buff, 0, IW_CUSTOM_MAX);
 116                 p = buff;
 117                 p += sprintf(p, "ASSOCINFO(ReqIEs =");
 118                 len = sec_ie[1]+2;
 119                 len =  min_t(uint, len, IW_CUSTOM_MAX);
 120                 for (i = 0; i < len; i++)
 121                         p += sprintf(p, "%02x", sec_ie[i]);
 122                 p += sprintf(p, ")");
 123                 memset(&wrqu, 0, sizeof(wrqu));
 124                 wrqu.data.length = p-buff;
 125                 wrqu.data.length = min_t(__u16, wrqu.data.length, IW_CUSTOM_MAX);
 126                 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
 127                 kfree(buff);
 128         }
 129 }
 130
 131 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 132 {
 133         setup_timer(&psta->addba_retry_timer, addba_timer_hdl,
 134                     (unsigned long)psta);
 135 }
 136
 137 void init_mlme_ext_timer(struct adapter *padapter)
 138 {
 139         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 140
 141         setup_timer(&pmlmeext->survey_timer, survey_timer_hdl,
 142                     (unsigned long)padapter);
 143         setup_timer(&pmlmeext->link_timer, link_timer_hdl,
 144                     (unsigned long)padapter);
 145 }
 146
 147 #ifdef CONFIG_88EU_AP_MODE
 148
 149 void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
 150 {
 151         union iwreq_data wrqu;
 152         struct sta_priv *pstapriv = &padapter->stapriv;
 153
 154         if (!psta)
 155                 return;
 156
 157         if (psta->aid > NUM_STA)
 158                 return;
 159
 160         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 161                 return;
 162
 163
 164         wrqu.addr.sa_family = ARPHRD_ETHER;
 165
 166         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 167
 168         DBG_88E("+rtw_indicate_sta_assoc_event\n");
 169
 170         wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
 171 }
 172
 173 void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
 174 {
 175         union iwreq_data wrqu;
 176         struct sta_priv *pstapriv = &padapter->stapriv;
 177
 178         if (!psta)
 179                 return;
 180
 181         if (psta->aid > NUM_STA)
 182                 return;
 183
 184         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 185                 return;
 186
 187
 188         wrqu.addr.sa_family = ARPHRD_ETHER;
 189
 190         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 191
 192         DBG_88E("+rtw_indicate_sta_disassoc_event\n");
 193
 194         wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
 195 }
 196
 197 #endif