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 35static 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 44static void join_timeout_handler (void *FunctionContext) 45{ 46 struct _adapter *adapter = (struct _adapter *)FunctionContext; 47 48 _r8712_join_timeout_handler(adapter); 49} 50 51static void _scan_timeout_handler (void *FunctionContext) 52{ 53 struct _adapter *adapter = (struct _adapter *)FunctionContext; 54 55 r8712_scan_timeout_handler(adapter); 56} 57 58static void dhcp_timeout_handler (void *FunctionContext) 59{ 60 struct _adapter *adapter = (struct _adapter *)FunctionContext; 61 62 _r8712_dhcp_timeout_handler(adapter); 63} 64 65static void wdg_timeout_handler (void *FunctionContext) 66{ 67 struct _adapter *adapter = (struct _adapter *)FunctionContext; 68 69 _r8712_wdg_timeout_handler(adapter); 70 71 _set_timer(&adapter->mlmepriv.wdg_timer, 2000); 72} 73 74void r8712_init_mlme_timer(struct _adapter *padapter) 75{ 76 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 77 78 _init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, 79 join_timeout_handler, (pmlmepriv->nic_hdl)); 80 _init_timer(&(pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer), 81 padapter->pnetdev, sitesurvey_ctrl_handler, 82 (u8 *)(pmlmepriv->nic_hdl)); 83 _init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, 84 _scan_timeout_handler, (pmlmepriv->nic_hdl)); 85 _init_timer(&(pmlmepriv->dhcp_timer), padapter->pnetdev, 86 dhcp_timeout_handler, (u8 *)(pmlmepriv->nic_hdl)); 87 _init_timer(&(pmlmepriv->wdg_timer), padapter->pnetdev, 88 wdg_timeout_handler, (u8 *)(pmlmepriv->nic_hdl)); 89} 90 91void r8712_os_indicate_connect(struct _adapter *adapter) 92{ 93 r8712_indicate_wx_assoc_event(adapter); 94 netif_carrier_on(adapter->pnetdev); 95} 96 97static struct RT_PMKID_LIST backupPMKIDList[NUM_PMKID_CACHE]; 98void r8712_os_indicate_disconnect(struct _adapter *adapter) 99{ 100 u8 backupPMKIDIndex = 0; 101 u8 backupTKIPCountermeasure = 0x00; 102 103 r8712_indicate_wx_disassoc_event(adapter); 104 netif_carrier_off(adapter->pnetdev); 105 if (adapter->securitypriv.AuthAlgrthm == 2) { /*/802.1x*/ 106 /* We have to backup the PMK information for WiFi PMK Caching 107 * test item. Backup the btkip_countermeasure information. 108 * When the countermeasure is trigger, the driver have to 109 * disconnect with AP for 60 seconds. 110 */ 111 112 memcpy(&backupPMKIDList[0], &adapter->securitypriv. 113 PMKIDList[0], sizeof(struct RT_PMKID_LIST) * 114 NUM_PMKID_CACHE); 115 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex; 116 backupTKIPCountermeasure = adapter->securitypriv. 117 btkip_countermeasure; 118 memset((unsigned char *)&adapter->securitypriv, 0, 119 sizeof(struct security_priv)); 120 _init_timer(&(adapter->securitypriv.tkip_timer), 121 adapter->pnetdev, r8712_use_tkipkey_handler, 122 adapter); 123 /* Restore the PMK information to securitypriv structure 124 * for the following connection. */ 125 memcpy(&adapter->securitypriv.PMKIDList[0], 126 &backupPMKIDList[0], 127 sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE); 128 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex; 129 adapter->securitypriv.btkip_countermeasure = 130 backupTKIPCountermeasure; 131 } else { /*reset values in securitypriv*/ 132 struct security_priv *psec_priv = &adapter->securitypriv; 133 134 psec_priv->AuthAlgrthm = 0; /*open system*/ 135 psec_priv->PrivacyAlgrthm = _NO_PRIVACY_; 136 psec_priv->PrivacyKeyIndex = 0; 137 psec_priv->XGrpPrivacy = _NO_PRIVACY_; 138 psec_priv->XGrpKeyid = 1; 139 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen; 140 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled; 141 psec_priv->wps_phase = false; 142 } 143} 144 145void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie) 146{ 147 uint len; 148 u8 *buff, *p, i; 149 union iwreq_data wrqu; 150 151 buff = NULL; 152 if (authmode == _WPA_IE_ID_) { 153 buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC); 154 if (buff == NULL) 155 return; 156 p = buff; 157 p += sprintf(p, "ASSOCINFO(ReqIEs="); 158 len = sec_ie[1] + 2; 159 len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1; 160 for (i = 0; i < len; i++) 161 p += sprintf(p, "%02x", sec_ie[i]); 162 p += sprintf(p, ")"); 163 memset(&wrqu, 0, sizeof(wrqu)); 164 wrqu.data.length = p-buff; 165 wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? 166 wrqu.data.length : IW_CUSTOM_MAX; 167 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff); 168 kfree(buff); 169 } 170} 171