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(unsigned long data) 36{ 37 struct _adapter *adapter = (struct _adapter *)data; 38 39 _r8712_sitesurvey_ctrl_handler(adapter); 40 mod_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer, 41 jiffies + msecs_to_jiffies(3000)); 42} 43 44static void join_timeout_handler (unsigned long data) 45{ 46 struct _adapter *adapter = (struct _adapter *)data; 47 48 _r8712_join_timeout_handler(adapter); 49} 50 51static void _scan_timeout_handler (unsigned long data) 52{ 53 struct _adapter *adapter = (struct _adapter *)data; 54 55 r8712_scan_timeout_handler(adapter); 56} 57 58static void dhcp_timeout_handler (unsigned long data) 59{ 60 struct _adapter *adapter = (struct _adapter *)data; 61 62 _r8712_dhcp_timeout_handler(adapter); 63} 64 65static void wdg_timeout_handler (unsigned long data) 66{ 67 struct _adapter *adapter = (struct _adapter *)data; 68 69 _r8712_wdg_timeout_handler(adapter); 70 71 mod_timer(&adapter->mlmepriv.wdg_timer, 72 jiffies + msecs_to_jiffies(2000)); 73} 74 75void r8712_init_mlme_timer(struct _adapter *padapter) 76{ 77 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 78 79 setup_timer(&pmlmepriv->assoc_timer, join_timeout_handler, 80 (unsigned long)padapter); 81 setup_timer(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer, 82 sitesurvey_ctrl_handler, 83 (unsigned long)padapter); 84 setup_timer(&pmlmepriv->scan_to_timer, _scan_timeout_handler, 85 (unsigned long)padapter); 86 setup_timer(&pmlmepriv->dhcp_timer, dhcp_timeout_handler, 87 (unsigned long)padapter); 88 setup_timer(&pmlmepriv->wdg_timer, wdg_timeout_handler, 89 (unsigned long)padapter); 90} 91 92void r8712_os_indicate_connect(struct _adapter *adapter) 93{ 94 r8712_indicate_wx_assoc_event(adapter); 95 netif_carrier_on(adapter->pnetdev); 96} 97 98static struct RT_PMKID_LIST backupPMKIDList[NUM_PMKID_CACHE]; 99void r8712_os_indicate_disconnect(struct _adapter *adapter) 100{ 101 u8 backupPMKIDIndex = 0; 102 u8 backupTKIPCountermeasure = 0x00; 103 104 r8712_indicate_wx_disassoc_event(adapter); 105 netif_carrier_off(adapter->pnetdev); 106 if (adapter->securitypriv.AuthAlgrthm == 2) { /*/802.1x*/ 107 /* We have to backup the PMK information for WiFi PMK Caching 108 * test item. Backup the btkip_countermeasure information. 109 * When the countermeasure is trigger, the driver have to 110 * disconnect with AP for 60 seconds. 111 */ 112 113 memcpy(&backupPMKIDList[0], &adapter->securitypriv. 114 PMKIDList[0], sizeof(struct RT_PMKID_LIST) * 115 NUM_PMKID_CACHE); 116 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex; 117 backupTKIPCountermeasure = adapter->securitypriv. 118 btkip_countermeasure; 119 memset((unsigned char *)&adapter->securitypriv, 0, 120 sizeof(struct security_priv)); 121 setup_timer(&adapter->securitypriv.tkip_timer, 122 r8712_use_tkipkey_handler, 123 (unsigned long)adapter); 124 /* Restore the PMK information to securitypriv structure 125 * for the following connection. */ 126 memcpy(&adapter->securitypriv.PMKIDList[0], 127 &backupPMKIDList[0], 128 sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE); 129 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex; 130 adapter->securitypriv.btkip_countermeasure = 131 backupTKIPCountermeasure; 132 } else { /*reset values in securitypriv*/ 133 struct security_priv *psec_priv = &adapter->securitypriv; 134 135 psec_priv->AuthAlgrthm = 0; /*open system*/ 136 psec_priv->PrivacyAlgrthm = _NO_PRIVACY_; 137 psec_priv->PrivacyKeyIndex = 0; 138 psec_priv->XGrpPrivacy = _NO_PRIVACY_; 139 psec_priv->XGrpKeyid = 1; 140 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen; 141 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled; 142 psec_priv->wps_phase = false; 143 } 144} 145 146void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie) 147{ 148 uint len; 149 u8 *buff, *p, i; 150 union iwreq_data wrqu; 151 152 buff = NULL; 153 if (authmode == _WPA_IE_ID_) { 154 buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC); 155 if (buff == NULL) 156 return; 157 p = buff; 158 p += sprintf(p, "ASSOCINFO(ReqIEs="); 159 len = sec_ie[1] + 2; 160 len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1; 161 for (i = 0; i < len; i++) 162 p += sprintf(p, "%02x", sec_ie[i]); 163 p += sprintf(p, ")"); 164 memset(&wrqu, 0, sizeof(wrqu)); 165 wrqu.data.length = p-buff; 166 wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? 167 wrqu.data.length : IW_CUSTOM_MAX; 168 wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff); 169 kfree(buff); 170 } 171} 172