// 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);

        if (adapter->registrypriv.mp_mode == 1)
                return;
        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);
}

#ifdef CONFIG_88EU_AP_MODE

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);
}

#endif