1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 ******************************************************************************/
16 #define _MLME_OSDEP_C_
18 #include <osdep_service.h>
19 #include <drv_types.h>
20 #include <mlme_osdep.h>
22 static struct rt_pmkid_list backupPMKIDList[NUM_PMKID_CACHE];
24 void rtw_reset_securitypriv23a(struct rtw_adapter *adapter)
26 u8 backupPMKIDIndex = 0;
27 u8 backupTKIPCountermeasure = 0x00;
28 unsigned long backupTKIPcountermeasure_time = 0;
30 if (adapter->securitypriv.dot11AuthAlgrthm ==
31 dot11AuthAlgrthm_8021X) { /* 802.1x */
32 /* We have to backup the PMK information for WiFi PMK
34 * Backup the btkip_countermeasure information.
35 * When the countermeasure is trigger, the driver have to
36 * disconnect with AP for 60 seconds.
38 memcpy(&backupPMKIDList[0], &adapter->securitypriv.PMKIDList[0],
39 sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
40 backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
41 backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
42 backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;
44 memset((unsigned char *)&adapter->securitypriv, 0,
45 sizeof (struct security_priv));
46 /* Restore the PMK information to securitypriv structure
47 * for the following connection.
49 memcpy(&adapter->securitypriv.PMKIDList[0], &backupPMKIDList[0],
50 sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
51 adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
52 adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
53 adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;
55 adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
56 adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
57 } else { /* reset values in securitypriv */
58 struct security_priv *psec_priv = &adapter->securitypriv;
61 psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
62 psec_priv->dot11PrivacyAlgrthm = 0;
63 psec_priv->dot11PrivacyKeyIndex = 0;
65 psec_priv->dot118021XGrpPrivacy = 0;
66 psec_priv->dot118021XGrpKeyid = 1;
68 psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
69 psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
73 void rtw_os_indicate_disconnect23a(struct rtw_adapter *adapter)
75 /* Do it first for tx broadcast pkt after disconnection issue! */
76 netif_carrier_off(adapter->pnetdev);
78 rtw_cfg80211_indicate_disconnect(adapter);
80 rtw_reset_securitypriv23a(adapter);