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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. i*/
#define _MLME_OSDEP_C_
#include "../include/osdep_service.h"
#include "../include/drv_types.h"
#include "../include/mlme_osdep.h"
void rtw_join_timeout_handler (struct timer_list *t)
{
struct adapter *adapter = from_timer(adapter, t, mlmepriv.assoc_timer);
_rtw_join_timeout_handler(adapter);
}
void _rtw_scan_timeout_handler (struct timer_list *t)
{
struct adapter *adapter = from_timer(adapter, t, mlmepriv.scan_to_timer);
rtw_scan_timeout_handler(adapter);
}
static void _dynamic_check_timer_handlder(struct timer_list *t)
{
struct adapter *adapter = from_timer(adapter, t, mlmepriv.dynamic_chk_timer);
rtw_dynamic_check_timer_handlder(adapter);
_set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
}
void rtw_init_mlme_timer(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
timer_setup(&pmlmepriv->assoc_timer, rtw_join_timeout_handler, 0);
timer_setup(&pmlmepriv->scan_to_timer, _rtw_scan_timeout_handler, 0);
timer_setup(&pmlmepriv->dynamic_chk_timer, _dynamic_check_timer_handlder, 0);
}
void rtw_os_indicate_connect(struct adapter *adapter)
{
rtw_indicate_wx_assoc_event(adapter);
netif_carrier_on(adapter->pnetdev);
if (adapter->pid[2] != 0)
rtw_signal_process(adapter->pid[2], SIGALRM);
}
void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
{
indicate_wx_scan_complete_event(padapter);
}
static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
void rtw_reset_securitypriv(struct adapter *adapter)
{
u8 backup_index = 0;
u8 backup_counter = 0x00;
u32 backup_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(&backup_pmkid[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
backup_index = adapter->securitypriv.PMKIDIndex;
backup_counter = adapter->securitypriv.btkip_countermeasure;
backup_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],
&backup_pmkid[0],
sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
adapter->securitypriv.PMKIDIndex = backup_index;
adapter->securitypriv.btkip_countermeasure = backup_counter;
adapter->securitypriv.btkip_countermeasure_time = backup_time;
adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
} else {
/* reset values in securitypriv */
struct security_priv *psec_priv = &adapter->securitypriv;
psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
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_disconnect(struct adapter *adapter)
{
netif_carrier_off(adapter->pnetdev); /* Do it first for tx broadcast pkt after disconnection issue! */
rtw_indicate_wx_disassoc_event(adapter);
rtw_reset_securitypriv(adapter);
}
void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
{
uint len;
u8 *buff, *p, i;
union iwreq_data wrqu;
buff = NULL;
if (authmode == _WPA_IE_ID_) {
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;
wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
kfree(buff);
}
}
static void _survey_timer_hdl(struct timer_list *t)
{
struct adapter *padapter = from_timer(padapter, t, mlmeextpriv.survey_timer);
survey_timer_hdl(padapter);
}
static void _link_timer_hdl(struct timer_list *t)
{
struct adapter *padapter = from_timer(padapter, t, mlmeextpriv.link_timer);
link_timer_hdl(padapter);
}
static void _addba_timer_hdl(struct timer_list *t)
{
struct sta_info *psta = from_timer(psta, t, addba_retry_timer);
addba_timer_hdl(psta);
}
void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
{
timer_setup(&psta->addba_retry_timer, _addba_timer_hdl, 0);
}
void init_mlme_ext_timer(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
timer_setup(&pmlmeext->survey_timer, _survey_timer_hdl, 0);
timer_setup(&pmlmeext->link_timer, _link_timer_hdl, 0);
}
void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
{
union iwreq_data wrqu;
struct sta_priv *pstapriv = &padapter->stapriv;
if (!psta)
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_88E("+rtw_indicate_sta_assoc_event\n");
wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
}
void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
{
union iwreq_data wrqu;
struct sta_priv *pstapriv = &padapter->stapriv;
if (!psta)
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_88E("+rtw_indicate_sta_disassoc_event\n");
wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
}
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