drivers/staging/rtl8723au/os_dep/mlme_linux.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 ******************************************************************************/

#define _MLME_OSDEP_C_

#include <osdep_service.h>
#include <drv_types.h>
#include <mlme_osdep.h>
#include <rtw_ioctl_set.h>

void rtw_os_indicate_connect23a(struct rtw_adapter *adapter)
{
	rtw_cfg80211_indicate_connect(adapter);

	netif_carrier_on(adapter->pnetdev);

	if (adapter->pid[2] != 0)
		rtw_signal_process(adapter->pid[2], SIGALRM);
}

void rtw_os_indicate_scan_done23a(struct rtw_adapter *padapter, bool aborted)
{
	rtw_cfg80211_indicate_scan_done(wdev_to_priv(padapter->rtw_wdev),
					aborted);
}

static struct rt_pmkid_list backupPMKIDList[NUM_PMKID_CACHE];

void rtw_reset_securitypriv23a(struct rtw_adapter *adapter)
{
	u8	backupPMKIDIndex = 0;
	u8	backupTKIPCountermeasure = 0x00;
	unsigned long backupTKIPcountermeasure_time = 0;

	if (adapter->securitypriv.dot11AuthAlgrthm ==
	    dot11AuthAlgrthm_8021X) { /* 802.1x */
		/*  We have to backup the PMK information for WiFi PMK
		 *  Caching test item.
		 *  Backup the btkip_countermeasure information.
		 *  When the countermeasure is trigger, the driver have to
		 *  disconnect with AP for 60 seconds.
		 */
		memset(&backupPMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) *
		       NUM_PMKID_CACHE);

		memcpy(&backupPMKIDList[0], &adapter->securitypriv.PMKIDList[0],
		       sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
		backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
		backupTKIPCountermeasure = adapter->securitypriv.btkip_countermeasure;
		backupTKIPcountermeasure_time = adapter->securitypriv.btkip_countermeasure_time;

		memset((unsigned char *)&adapter->securitypriv, 0,
		       sizeof (struct security_priv));
		/* Restore the PMK information to securitypriv structure
		 * for the following connection.
		 */
		memcpy(&adapter->securitypriv.PMKIDList[0], &backupPMKIDList[0],
		       sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
		adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
		adapter->securitypriv.btkip_countermeasure = backupTKIPCountermeasure;
		adapter->securitypriv.btkip_countermeasure_time = backupTKIPcountermeasure_time;

		adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
		adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
	} else {  /* reset values in securitypriv */
		struct security_priv *psec_priv = &adapter->securitypriv;

		/* open system */
		psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
		psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
		psec_priv->dot11PrivacyKeyIndex = 0;

		psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
		psec_priv->dot118021XGrpKeyid = 1;

		psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
		psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
	}
}

void rtw_os_indicate_disconnect23a(struct rtw_adapter *adapter)
{
	/* Do it first for tx broadcast pkt after disconnection issue! */
	netif_carrier_off(adapter->pnetdev);

	rtw_cfg80211_indicate_disconnect(adapter);

	rtw_reset_securitypriv23a(adapter);
}

void rtw_report_sec_ie23a(struct rtw_adapter *adapter, u8 authmode, u8 *sec_ie)
{
	uint	len;
	u8	*buff, *p, i;
	union iwreq_data wrqu;

	RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
		 ("+rtw_report_sec_ie23a, authmode =%d\n", authmode));

	buff = NULL;
	if (authmode == _WPA_IE_ID_) {
		RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
			 ("rtw_report_sec_ie23a, authmode =%d\n", authmode));

		buff = kzalloc(IW_CUSTOM_MAX, GFP_KERNEL);
		if (!buff)
			return;
		p = buff;

		p += sprintf(p, "ASSOCINFO(ReqIEs =");

		len = sec_ie[1]+2;
		len =  (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;

		for (i = 0; i < len; i++)
			p += sprintf(p, "%02x", sec_ie[i]);

		p += sprintf(p, ")");

		memset(&wrqu, 0, sizeof(wrqu));

		wrqu.data.length = p-buff;

		wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ?
				   wrqu.data.length : IW_CUSTOM_MAX;

		kfree(buff);
	}
}

#ifdef CONFIG_8723AU_AP_MODE
void rtw_indicate_sta_assoc_event23a(struct rtw_adapter *padapter,
				  struct sta_info *psta)
{
	struct sta_priv *pstapriv = &padapter->stapriv;
	union iwreq_data wrqu;

	if (psta == NULL)
		return;

	if (psta->aid > NUM_STA)
		return;

	if (pstapriv->sta_aid[psta->aid - 1] != psta)
		return;

	wrqu.addr.sa_family = ARPHRD_ETHER;

	memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);

	DBG_8723A("+rtw_indicate_sta_assoc_event23a\n");
}

void rtw_indicate_sta_disassoc_event23a(struct rtw_adapter *padapter,
				     struct sta_info *psta)
{
	struct sta_priv *pstapriv = &padapter->stapriv;
	union iwreq_data wrqu;

	if (psta == NULL)
		return;

	if (psta->aid > NUM_STA)
		return;

	if (pstapriv->sta_aid[psta->aid - 1] != psta)
		return;

	wrqu.addr.sa_family = ARPHRD_ETHER;

	memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);

	DBG_8723A("+rtw_indicate_sta_disassoc_event23a\n");
}
#endif