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  ******************************************************************************/
  15
  16
  17 #define _MLME_OSDEP_C_
  18
  19 #include <osdep_service.h>
  20 #include <drv_types.h>
  21 #include <mlme_osdep.h>
  22
  23 void rtw_init_mlme_timer(struct adapter *padapter)
  24 {
  25         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  26
  27         setup_timer(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler,
  28                     (unsigned long)padapter);
  29         setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler,
  30                     (unsigned long)padapter);
  31         setup_timer(&pmlmepriv->dynamic_chk_timer,
  32                     rtw_dynamic_check_timer_handlder, (unsigned long)padapter);
  33 }
  34
  35 void rtw_os_indicate_connect(struct adapter *adapter)
  36 {
  37         rtw_indicate_wx_assoc_event(adapter);
  38         netif_carrier_on(adapter->pnetdev);
  39 }
  40
  41 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  42 {
  43         indicate_wx_scan_complete_event(padapter);
  44 }
  45
  46 static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
  47
  48 void rtw_reset_securitypriv(struct adapter *adapter)
  49 {
  50         u8      backup_index = 0;
  51         u8      backup_counter = 0x00;
  52         u32     backup_time = 0;
  53
  54         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  55                 /* 802.1x */
  56                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  57                 /*  Backup the btkip_countermeasure information. */
  58                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  59                 memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  60                 backup_index = adapter->securitypriv.PMKIDIndex;
  61                 backup_counter = adapter->securitypriv.btkip_countermeasure;
  62                 backup_time = adapter->securitypriv.btkip_countermeasure_time;
  63                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
  64
  65                 /*  Restore the PMK information to securitypriv structure for the following connection. */
  66                 memcpy(&adapter->securitypriv.PMKIDList[0],
  67                             &backup_pmkid[0],
  68                             sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  69                 adapter->securitypriv.PMKIDIndex = backup_index;
  70                 adapter->securitypriv.btkip_countermeasure = backup_counter;
  71                 adapter->securitypriv.btkip_countermeasure_time = backup_time;
  72                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
  73                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
  74         } else {
  75                 /* reset values in securitypriv */
  76                 struct security_priv *psec_priv = &adapter->securitypriv;
  77
  78                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  79                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  80                 psec_priv->dot11PrivacyKeyIndex = 0;
  81                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  82                 psec_priv->dot118021XGrpKeyid = 1;
  83                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  84                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  85         }
  86 }
  87
  88 void rtw_os_indicate_disconnect(struct adapter *adapter)
  89 {
  90         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
  91         rtw_indicate_wx_disassoc_event(adapter);
  92          rtw_reset_securitypriv(adapter);
  93 }
  94
  95 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
  96 {
  97         uint    len;
  98         u8      *buff, *p, i;
  99         union iwreq_data wrqu;
 100
 101         RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 102                  ("+rtw_report_sec_ie, authmode=%d\n", authmode));
 103         buff = NULL;
 104         if (authmode == _WPA_IE_ID_) {
 105                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
 106                          ("rtw_report_sec_ie, authmode=%d\n", authmode));
 107                 buff = rtw_malloc(IW_CUSTOM_MAX);
 108                 if (!buff)
 109                         return;
 110                 memset(buff, 0, IW_CUSTOM_MAX);
 111                 p = buff;
 112                 p += sprintf(p, "ASSOCINFO(ReqIEs =");
 113                 len = sec_ie[1]+2;
 114                 len =  min_t(uint, len, IW_CUSTOM_MAX);
 115                 for (i = 0; i < len; i++)
 116                         p += sprintf(p, "%02x", sec_ie[i]);
 117                 p += sprintf(p, ")");
 118                 memset(&wrqu, 0, sizeof(wrqu));
 119                 wrqu.data.length = p-buff;
 120                 wrqu.data.length = min_t(__u16, wrqu.data.length, IW_CUSTOM_MAX);
 121                 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
 122                 kfree(buff);
 123         }
 124 }
 125
 126 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 127 {
 128         setup_timer(&psta->addba_retry_timer, addba_timer_hdl,
 129                     (unsigned long)psta);
 130 }
 131
 132 void init_mlme_ext_timer(struct adapter *padapter)
 133 {
 134         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 135
 136         setup_timer(&pmlmeext->survey_timer, survey_timer_hdl,
 137                     (unsigned long)padapter);
 138         setup_timer(&pmlmeext->link_timer, link_timer_hdl,
 139                     (unsigned long)padapter);
 140 }
 141
 142 #ifdef CONFIG_88EU_AP_MODE
 143
 144 void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
 145 {
 146         union iwreq_data wrqu;
 147         struct sta_priv *pstapriv = &padapter->stapriv;
 148
 149         if (!psta)
 150                 return;
 151
 152         if (psta->aid > NUM_STA)
 153                 return;
 154
 155         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 156                 return;
 157
 158
 159         wrqu.addr.sa_family = ARPHRD_ETHER;
 160
 161         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 162
 163         DBG_88E("+rtw_indicate_sta_assoc_event\n");
 164
 165         wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
 166 }
 167
 168 void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
 169 {
 170         union iwreq_data wrqu;
 171         struct sta_priv *pstapriv = &padapter->stapriv;
 172
 173         if (!psta)
 174                 return;
 175
 176         if (psta->aid > NUM_STA)
 177                 return;
 178
 179         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 180                 return;
 181
 182
 183         wrqu.addr.sa_family = ARPHRD_ETHER;
 184
 185         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 186
 187         DBG_88E("+rtw_indicate_sta_disassoc_event\n");
 188
 189         wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
 190 }
 191
 192 #endif