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