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 static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
  31
  32 void rtw_reset_securitypriv(struct adapter *adapter)
  33 {
  34         u8 backup_index;
  35         u8 backup_counter;
  36         u32 backup_time;
  37         struct security_priv *psec_priv = &adapter->securitypriv;
  38
  39         if (psec_priv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  40                 /* 802.1x
  41                  * We have to backup the PMK information for WiFi PMK Caching
  42                  * test item. Backup the btkip_countermeasure information. When
  43                  * the countermeasure is trigger, the driver have to disconnect
  44                  * with AP for 60 seconds.
  45                  */
  46                 memcpy(backup_pmkid, psec_priv->PMKIDList,
  47                        sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  48                 backup_index = psec_priv->PMKIDIndex;
  49                 backup_counter = psec_priv->btkip_countermeasure;
  50                 backup_time = psec_priv->btkip_countermeasure_time;
  51
  52                 memset(psec_priv, 0, sizeof(*psec_priv));
  53
  54                 /* Restore the PMK information to securitypriv structure
  55                  * for the following connection.
  56                  */
  57                 memcpy(psec_priv->PMKIDList, backup_pmkid,
  58                        sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
  59                 psec_priv->PMKIDIndex = backup_index;
  60                 psec_priv->btkip_countermeasure = backup_counter;
  61                 psec_priv->btkip_countermeasure_time = backup_time;
  62                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  63                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  64         } else {
  65                 /* reset values in securitypriv */
  66                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  67                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  68                 psec_priv->dot11PrivacyKeyIndex = 0;
  69                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  70                 psec_priv->dot118021XGrpKeyid = 1;
  71                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
  72                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
  73         }
  74 }
  75
  76 void rtw_os_indicate_disconnect(struct adapter *adapter)
  77 {
  78         /* Do it first for tx broadcast pkt after disconnection issue! */
  79         netif_carrier_off(adapter->pnetdev);
  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                  ("+%s, authmode=%d\n", __func__, authmode));
  92         buff = NULL;
  93         if (authmode == _WPA_IE_ID_) {
  94                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
  95                          ("%s, authmode=%d\n", __func__, 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 = min_t(__u16, p - buff, IW_CUSTOM_MAX);
 109                 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
 110                 kfree(buff);
 111         }
 112 }
 113
 114 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 115 {
 116         timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0);
 117 }
 118
 119 void init_mlme_ext_timer(struct adapter *padapter)
 120 {
 121         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 122
 123         timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0);
 124         timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0);
 125 }
 126
 127 #ifdef CONFIG_88EU_AP_MODE
 128
 129 void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
 130 {
 131         union iwreq_data wrqu;
 132         struct sta_priv *pstapriv = &padapter->stapriv;
 133
 134         if (!psta)
 135                 return;
 136
 137         if (psta->aid > NUM_STA)
 138                 return;
 139
 140         if (pstapriv->sta_aid[psta->aid - 1] != psta)
 141                 return;
 142
 143         wrqu.addr.sa_family = ARPHRD_ETHER;
 144
 145         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 146
 147         DBG_88E("+%s\n", __func__);
 148
 149         wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
 150 }
 151
 152 void rtw_indicate_sta_disassoc_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)
 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         wrqu.addr.sa_family = ARPHRD_ETHER;
 167
 168         memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
 169
 170         DBG_88E("+%s\n", __func__);
 171
 172         wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
 173 }
 174
 175 #endif