drivers/staging/rtl8723bs/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
   9 #define _MLME_OSDEP_C_
  10
  11 #include <drv_types.h>
  12 #include <rtw_debug.h>
  13
  14 static void _dynamic_check_timer_handler(struct timer_list *t)
  15 {
  16         struct adapter *adapter =
  17                 from_timer(adapter, t, mlmepriv.dynamic_chk_timer);
  18
  19         rtw_dynamic_check_timer_handler(adapter);
  20
  21         _set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
  22 }
  23
  24 static void _rtw_set_scan_deny_timer_hdl(struct timer_list *t)
  25 {
  26         struct adapter *adapter =
  27                 from_timer(adapter, t, mlmepriv.set_scan_deny_timer);
  28
  29         rtw_clear_scan_deny(adapter);
  30 }
  31
  32 void rtw_init_mlme_timer(struct adapter *padapter)
  33 {
  34         struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
  35
  36         timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0);
  37         timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0);
  38         timer_setup(&pmlmepriv->dynamic_chk_timer,
  39                     _dynamic_check_timer_handler, 0);
  40         timer_setup(&pmlmepriv->set_scan_deny_timer,
  41                     _rtw_set_scan_deny_timer_hdl, 0);
  42 }
  43
  44 void rtw_os_indicate_connect(struct adapter *adapter)
  45 {
  46         struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
  47
  48         if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
  49                 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
  50                 rtw_cfg80211_ibss_indicate_connect(adapter);
  51         } else
  52                 rtw_cfg80211_indicate_connect(adapter);
  53
  54         rtw_indicate_wx_assoc_event(adapter);
  55         netif_carrier_on(adapter->pnetdev);
  56
  57         if (adapter->pid[2] != 0)
  58                 rtw_signal_process(adapter->pid[2], SIGALRM);
  59 }
  60
  61 void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
  62 {
  63         rtw_cfg80211_indicate_scan_done(padapter, aborted);
  64         indicate_wx_scan_complete_event(padapter);
  65 }
  66
  67 static RT_PMKID_LIST   backupPMKIDList[NUM_PMKID_CACHE];
  68 void rtw_reset_securitypriv(struct adapter *adapter)
  69 {
  70         u8 backupPMKIDIndex = 0;
  71         u8 backupTKIPCountermeasure = 0x00;
  72         u32 backupTKIPcountermeasure_time = 0;
  73         /*  add for CONFIG_IEEE80211W, none 11w also can use */
  74         struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
  75
  76         spin_lock_bh(&adapter->security_key_mutex);
  77
  78         if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
  79                 /* 802.1x */
  80                 /*  Added by Albert 2009/02/18 */
  81                 /*  We have to backup the PMK information for WiFi PMK Caching test item. */
  82                 /*  */
  83                 /*  Backup the btkip_countermeasure information. */
  84                 /*  When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */
  85
  86                 memcpy(&backupPMKIDList[0], &adapter->securitypriv.PMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  87                 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
  88                 backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
  89                 backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
  90
  91                 /* reset RX BIP packet number */
  92                 pmlmeext->mgnt_80211w_IPN_rx = 0;
  93
  94                 memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
  95
  96                 /*  Added by Albert 2009/02/18 */
  97                 /*  Restore the PMK information to securitypriv structure for the following connection. */
  98                 memcpy(&adapter->securitypriv.PMKIDList[0], &backupPMKIDList[0], sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  99                 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
 100                 adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
 101                 adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
 102
 103                 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
 104                 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
 105
 106         } else {
 107                 /* reset values in securitypriv */
 108                 /* if (adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */
 109                 /*  */
 110                 struct security_priv *psec_priv = &adapter->securitypriv;
 111
 112                 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;  /* open system */
 113                 psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
 114                 psec_priv->dot11PrivacyKeyIndex = 0;
 115
 116                 psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
 117                 psec_priv->dot118021XGrpKeyid = 1;
 118
 119                 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
 120                 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
 121                 /*  */
 122         }
 123         /*  add for CONFIG_IEEE80211W, none 11w also can use */
 124         spin_unlock_bh(&adapter->security_key_mutex);
 125 }
 126
 127 void rtw_os_indicate_disconnect(struct adapter *adapter)
 128 {
 129         /* RT_PMKID_LIST   backupPMKIDList[ NUM_PMKID_CACHE ]; */
 130
 131         netif_carrier_off(adapter->pnetdev); /*  Do it first for tx broadcast pkt after disconnection issue! */
 132
 133         rtw_cfg80211_indicate_disconnect(adapter);
 134
 135         rtw_indicate_wx_disassoc_event(adapter);
 136
 137         /* modify for CONFIG_IEEE80211W, none 11w also can use the same command */
 138         rtw_reset_securitypriv_cmd(adapter);
 139 }
 140
 141 void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
 142 {
 143         uint    len;
 144         u8 *buff, *p, i;
 145         union iwreq_data wrqu;
 146
 147         RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("+rtw_report_sec_ie, authmode =%d\n", authmode));
 148
 149         buff = NULL;
 150         if (authmode == _WPA_IE_ID_) {
 151                 RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("rtw_report_sec_ie, authmode =%d\n", authmode));
 152
 153                 buff = rtw_zmalloc(IW_CUSTOM_MAX);
 154                 if (NULL == buff) {
 155                         DBG_871X(FUNC_ADPT_FMT ": alloc memory FAIL!!\n",
 156                                 FUNC_ADPT_ARG(adapter));
 157                         return;
 158                 }
 159                 p = buff;
 160
 161                 p += sprintf(p, "ASSOCINFO(ReqIEs =");
 162
 163                 len = sec_ie[1] + 2;
 164                 len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
 165
 166                 for (i = 0; i < len; i++) {
 167                         p += sprintf(p, "%02x", sec_ie[i]);
 168                 }
 169
 170                 p += sprintf(p, ")");
 171
 172                 memset(&wrqu, 0, sizeof(wrqu));
 173
 174                 wrqu.data.length = p - buff;
 175
 176                 wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? wrqu.data.length : IW_CUSTOM_MAX;
 177
 178                 kfree(buff);
 179         }
 180 }
 181
 182 void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
 183 {
 184         timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0);
 185 }
 186
 187 void init_mlme_ext_timer(struct adapter *padapter)
 188 {
 189         struct  mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 190
 191         timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0);
 192         timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0);
 193         timer_setup(&pmlmeext->sa_query_timer, sa_query_timer_hdl, 0);
 194 }