drivers/staging/rtl8188eu/os_dep/mlme_linux.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7
   8 #define _MLME_OSDEP_C_
   9
  10 #include <osdep_service.h>
  11 #include <drv_types.h>
  12 #include <mlme_osdep.h>
  13
  14 void rtw_init_mlme_timer(struct adapter *padapter)
  15 {
  16         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  17
  18         timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0);
  19         timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0);
  20         timer_setup(&pmlmepriv->dynamic_chk_timer,
  21                     rtw_dynamic_check_timer_handlder, 0);
  22 }
  23
  24 void rtw_os_indicate_connect(struct adapter *adapter)
  25 {
  26         rtw_indicate_wx_assoc_event(adapter);
  27         netif_carrier_on(adapter->pnetdev);
  28 }
  29
  30 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  31 {
  32         indicate_wx_scan_complete_event(padapter);
  33 }
  34
  35 static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
  36
  37 void rtw_reset_securitypriv(struct adapter *adapter)
  38 {
  39         u8      backup_index = 0;
  40         u8      backup_counter = 0x00;
  41         u32     backup_time = 0;
  42
  43         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  44                 /* 802.1x */
  45                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  46                 /*  Backup the btkip_countermeasure information. */
  47                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  48                 memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  49                 backup_index = adapter->securitypriv.PMKIDIndex;
  50                 backup_counter = adapter->securitypriv.btkip_countermeasure;
  51                 backup_time = adapter->securitypriv.btkip_countermeasure_time;
  52                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
  53
  54                 /*  Restore the PMK information to securitypriv structure for the following connection. */
  55                 memcpy(&adapter->securitypriv.PMKIDList[0],
  56                             &backup_pmkid[0],
  57                             sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  58                 adapter->securitypriv.PMKIDIndex = backup_index;
  59                 adapter->securitypriv.btkip_countermeasure = backup_counter;
  60                 adapter->securitypriv.btkip_countermeasure_time = backup_time;
  61                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
  62                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
  63         } else {
  64                 /* reset values in securitypriv */
  65                 struct security_priv *psec_priv = &adapter->securitypriv;
  66
  67                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  68                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  69                 psec_priv->dot11PrivacyKeyIndex = 0;
  70                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  71                 psec_priv->dot118021XGrpKeyid = 1;
  72                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  73                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  74         }
  75 }
  76
  77 void rtw_os_indicate_disconnect(struct adapter *adapter)
  78 {
  79         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
  80         rtw_indicate_wx_disassoc_event(adapter);
  81          rtw_reset_securitypriv(adapter);
  82 }
  83
  84 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
  85 {
  86         uint    len;
  87         u8      *buff, *p, i;
  88         union iwreq_data wrqu;
  89
  90         RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
  91                  ("+rtw_report_sec_ie, authmode=%d\n", authmode));
  92         buff = NULL;
  93         if (authmode == _WPA_IE_ID_) {
  94                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
  95                          ("rtw_report_sec_ie, authmode=%d\n", authmode));
  96                 buff = rtw_malloc(IW_CUSTOM_MAX);
  97                 if (!buff)
  98                         return;
  99                 memset(buff, 0, IW_CUSTOM_MAX);
 100                 p = buff;
 101                 p += sprintf(p, "ASSOCINFO(ReqIEs =");
 102                 len = sec_ie[1]+2;
 103                 len =  min_t(uint, len, IW_CUSTOM_MAX);
 104                 for (i = 0; i < len; i++)
 105                         p += sprintf(p, "%02x", sec_ie[i]);
 106                 p += sprintf(p, ")");
 107                 memset(&wrqu, 0, sizeof(wrqu));
 108                 wrqu.data.length = p-buff;
 109                 wrqu.data.length = min_t(__u16, wrqu.data.length, IW_CUSTOM_MAX);
 110                 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
 111                 kfree(buff);
 112         }
 113 }
 114
 115 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 116 {
 117         timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0);
 118 }
 119
 120 void init_mlme_ext_timer(struct adapter *padapter)
 121 {
 122         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 123
 124         timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0);
 125         timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0);
 126 }
 127
 128 #ifdef CONFIG_88EU_AP_MODE
 129
 130 void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
 131 {
 132         union iwreq_data wrqu;
 133         struct sta_priv *pstapriv = &padapter->stapriv;
 134
 135         if (!psta)
 136                 return;
 137
 138         if (psta->aid > NUM_STA)
 139                 return;
 140
 141         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 142                 return;
 143
 144         wrqu.addr.sa_family = ARPHRD_ETHER;
 145
 146         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 147
 148         DBG_88E("+rtw_indicate_sta_assoc_event\n");
 149
 150         wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
 151 }
 152
 153 void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
 154 {
 155         union iwreq_data wrqu;
 156         struct sta_priv *pstapriv = &padapter->stapriv;
 157
 158         if (!psta)
 159                 return;
 160
 161         if (psta->aid > NUM_STA)
 162                 return;
 163
 164         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 165                 return;
 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_disassoc_event\n");
 172
 173         wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
 174 }
 175
 176 #endif