Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 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 | memset(&backupPMKIDList[0], 0x00, sizeof( |
| 110 | struct RT_PMKID_LIST) * NUM_PMKID_CACHE); |
| 111 | memcpy(&backupPMKIDList[0], &adapter->securitypriv. |
| 112 | PMKIDList[0], sizeof(struct RT_PMKID_LIST) * |
| 113 | NUM_PMKID_CACHE); |
| 114 | backupPMKIDIndex = adapter->securitypriv.PMKIDIndex; |
| 115 | backupTKIPCountermeasure = adapter->securitypriv. |
| 116 | btkip_countermeasure; |
| 117 | memset((unsigned char *)&adapter->securitypriv, 0, |
| 118 | sizeof(struct security_priv)); |
| 119 | _init_timer(&(adapter->securitypriv.tkip_timer), |
| 120 | adapter->pnetdev, r8712_use_tkipkey_handler, |
| 121 | adapter); |
| 122 | /* Restore the PMK information to securitypriv structure |
| 123 | * for the following connection. */ |
| 124 | memcpy(&adapter->securitypriv.PMKIDList[0], |
| 125 | &backupPMKIDList[0], |
| 126 | sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE); |
| 127 | adapter->securitypriv.PMKIDIndex = backupPMKIDIndex; |
| 128 | adapter->securitypriv.btkip_countermeasure = |
| 129 | backupTKIPCountermeasure; |
| 130 | } else { /*reset values in securitypriv*/ |
| 131 | struct security_priv *psec_priv = &adapter->securitypriv; |
| 132 | |
| 133 | psec_priv->AuthAlgrthm = 0; /*open system*/ |
| 134 | psec_priv->PrivacyAlgrthm = _NO_PRIVACY_; |
| 135 | psec_priv->PrivacyKeyIndex = 0; |
| 136 | psec_priv->XGrpPrivacy = _NO_PRIVACY_; |
| 137 | psec_priv->XGrpKeyid = 1; |
| 138 | psec_priv->ndisauthtype = Ndis802_11AuthModeOpen; |
| 139 | psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled; |
| 140 | psec_priv->wps_phase = false; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie) |
| 145 | { |
| 146 | uint len; |
| 147 | u8 *buff, *p, i; |
| 148 | union iwreq_data wrqu; |
| 149 | |
| 150 | buff = NULL; |
| 151 | if (authmode == _WPA_IE_ID_) { |
| 152 | buff = _malloc(IW_CUSTOM_MAX); |
| 153 | if (buff == NULL) |
| 154 | return; |
| 155 | memset(buff, 0, IW_CUSTOM_MAX); |
| 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; |
| 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 | } |