1 /****************************************************************************** 2 * mlme_linux.c 3 * 4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 5 * Linux device driver for RTL8192SU 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of version 2 of the GNU General Public License as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 19 * 20 * Modifications for inclusion into the Linux staging tree are 21 * Copyright(c) 2010 Larry Finger. All rights reserved. 22 * 23 * Contact information: 24 * WLAN FAE <wlanfae@realtek.com>. 25 * Larry Finger <Larry.Finger@lwfinger.net> 26 * 27 ******************************************************************************/ 28 29 #define _MLME_OSDEP_C_ 30 31 #include "osdep_service.h" 32 #include "drv_types.h" 33 #include "mlme_osdep.h" 34 35 static void sitesurvey_ctrl_handler(void *FunctionContext) 36 { 37 struct _adapter *adapter = (struct _adapter *)FunctionContext; 38 39 _r8712_sitesurvey_ctrl_handler(adapter); 40 _set_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer, 41 3000); 42 } 43 44 static void join_timeout_handler (void *FunctionContext) 45 { 46 struct _adapter *adapter = (struct _adapter *)FunctionContext; 47 _r8712_join_timeout_handler(adapter); 48 } 49 50 static void _scan_timeout_handler (void *FunctionContext) 51 { 52 struct _adapter *adapter = (struct _adapter *)FunctionContext; 53 r8712_scan_timeout_handler(adapter); 54 } 55 56 static void dhcp_timeout_handler (void *FunctionContext) 57 { 58 struct _adapter *adapter = (struct _adapter *)FunctionContext; 59 _r8712_dhcp_timeout_handler(adapter); 60 } 61 62 static void wdg_timeout_handler (void *FunctionContext) 63 { 64 struct _adapter *adapter = (struct _adapter *)FunctionContext; 65 66 _r8712_wdg_timeout_handler(adapter); 67 68 _set_timer(&adapter->mlmepriv.wdg_timer, 2000); 69 } 70 71 void r8712_init_mlme_timer(struct _adapter *padapter) 72 { 73 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 74 75 _init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, 76 join_timeout_handler, (pmlmepriv->nic_hdl)); 77 _init_timer(&(pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer), 78 padapter->pnetdev, sitesurvey_ctrl_handler, 79 (u8 *)(pmlmepriv->nic_hdl)); 80 _init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, 81 _scan_timeout_handler, (pmlmepriv->nic_hdl)); 82 _init_timer(&(pmlmepriv->dhcp_timer), padapter->pnetdev, 83 dhcp_timeout_handler, (u8 *)(pmlmepriv->nic_hdl)); 84 _init_timer(&(pmlmepriv->wdg_timer), padapter->pnetdev, 85 wdg_timeout_handler, (u8 *)(pmlmepriv->nic_hdl)); 86 } 87 88 void r8712_os_indicate_connect(struct _adapter *adapter) 89 { 90 r8712_indicate_wx_assoc_event(adapter); 91 netif_carrier_on(adapter->pnetdev); 92 } 93 94 static struct RT_PMKID_LIST backupPMKIDList[NUM_PMKID_CACHE]; 95 void r8712_os_indicate_disconnect(struct _adapter *adapter) 96 { 97 u8 backupPMKIDIndex = 0; 98 u8 backupTKIPCountermeasure = 0x00; 99 100 r8712_indicate_wx_disassoc_event(adapter); 101 netif_carrier_off(adapter->pnetdev); 102 if (adapter->securitypriv.AuthAlgrthm == 2) { /*/802.1x*/ 103 /* We have to backup the PMK information for WiFi PMK Caching 104 * test item. Backup the btkip_countermeasure information. 105 * When the countermeasure is trigger, the driver have to 106 * disconnect with AP for 60 seconds. 107 */ 108 109 memcpy(&backupPMKIDList[0], &adapter->securitypriv. 110 PMKIDList[0], sizeof(struct RT_PMKID_LIST) * 111 NUM_PMKID_CACHE); 112 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex; 113 backupTKIPCountermeasure = adapter->securitypriv. 114 btkip_countermeasure; 115 memset((unsigned char *)&adapter->securitypriv, 0, 116 sizeof(struct security_priv)); 117 _init_timer(&(adapter->securitypriv.tkip_timer), 118 adapter->pnetdev, r8712_use_tkipkey_handler, 119 adapter); 120 /* Restore the PMK information to securitypriv structure 121 * for the following connection. */ 122 memcpy(&adapter->securitypriv.PMKIDList[0], 123 &backupPMKIDList[0], 124 sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE); 125 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex; 126 adapter->securitypriv.btkip_countermeasure = 127 backupTKIPCountermeasure; 128 } else { /*reset values in securitypriv*/ 129 struct security_priv *psec_priv = &adapter->securitypriv; 130 131 psec_priv->AuthAlgrthm = 0; /*open system*/ 132 psec_priv->PrivacyAlgrthm = _NO_PRIVACY_; 133 psec_priv->PrivacyKeyIndex = 0; 134 psec_priv->XGrpPrivacy = _NO_PRIVACY_; 135 psec_priv->XGrpKeyid = 1; 136 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen; 137 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled; 138 psec_priv->wps_phase = false; 139 } 140 } 141 142 void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie) 143 { 144 uint len; 145 u8 *buff, *p, i; 146 union iwreq_data wrqu; 147 148 buff = NULL; 149 if (authmode == _WPA_IE_ID_) { 150 buff = _malloc(IW_CUSTOM_MAX); 151 if (buff == NULL) 152 return; 153 memset(buff, 0, IW_CUSTOM_MAX); 154 p = buff; 155 p += sprintf(p, "ASSOCINFO(ReqIEs="); 156 len = sec_ie[1] + 2; 157 len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1; 158 for (i = 0; i < len; i++) 159 p += sprintf(p, "%02x", sec_ie[i]); 160 p += sprintf(p, ")"); 161 memset(&wrqu, 0, sizeof(wrqu)); 162 wrqu.data.length = p-buff; 163 wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? 164 wrqu.data.length : IW_CUSTOM_MAX; 165 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff); 166 kfree(buff); 167 } 168 } 169