// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
 *
 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
 *
 ******************************************************************************/

#include <osdep_service.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <mlme_osdep.h>
#include <rtw_mlme_ext.h>

static struct cmd_hdl wlancmds[] = {
	{sizeof(struct wlan_bssid_ex), join_cmd_hdl},
	{sizeof(struct disconnect_parm), disconnect_hdl},
	{sizeof(struct wlan_bssid_ex), createbss_hdl},
	{sizeof(struct setopmode_parm), setopmode_hdl},
	{sizeof(struct sitesurvey_parm), sitesurvey_cmd_hdl},
	{sizeof(struct setauth_parm), setauth_hdl},
	{sizeof(struct setkey_parm), setkey_hdl},
	{sizeof(struct set_stakey_parm), set_stakey_hdl},
	{sizeof(struct set_assocsta_parm), NULL},
	{sizeof(struct addBaReq_parm), add_ba_hdl},
	{sizeof(struct set_ch_parm), set_ch_hdl},
	{sizeof(struct wlan_bssid_ex), tx_beacon_hdl},
	{0, mlme_evt_hdl},
	{0, rtw_drvextra_cmd_hdl},
	{sizeof(struct SetChannelPlan_param), set_chplan_hdl}
};

static struct _cmd_callback rtw_cmd_callback[] = {
	{_JoinBss_CMD_, &rtw_joinbss_cmd_callback},
	{_DisConnect_CMD_, &rtw_disassoc_cmd_callback},
	{_CreateBss_CMD_, &rtw_createbss_cmd_callback},
	{_SetOpMode_CMD_, NULL},
	{_SiteSurvey_CMD_, &rtw_survey_cmd_callback},
	{_SetAuth_CMD_, NULL},
	{_SetKey_CMD_, NULL},
	{_SetStaKey_CMD_, NULL},
	{_SetAssocSta_CMD_, &rtw_setassocsta_cmdrsp_callback},
	{_AddBAReq_CMD_, NULL},
	{_SetChannel_CMD_, NULL},
	{_TX_Beacon_CMD_, NULL},
	{_Set_MLME_EVT_CMD_, NULL},
	{_Set_Drv_Extra_CMD_, NULL},
	{_SetChannelPlan_CMD_, NULL},
};

/*
 * Caller and the rtw_cmd_thread can protect cmd_q by spin_lock.
 * No irqsave is necessary.
 */

void rtw_init_cmd_priv(struct cmd_priv *pcmdpriv)
{
	init_completion(&pcmdpriv->cmd_queue_comp);

	_rtw_init_queue(&pcmdpriv->cmd_queue);
}

/*
 * Calling Context:
 *
 * rtw_enqueue_cmd can only be called between kernel thread,
 * since only spin_lock is used.
 *
 * ISR/Call-Back functions can't call this sub-function.
 */

static int _rtw_enqueue_cmd(struct __queue *queue, struct cmd_obj *obj)
{
	unsigned long irqL;

	spin_lock_irqsave(&queue->lock, irqL);

	list_add_tail(&obj->list, &queue->queue);

	spin_unlock_irqrestore(&queue->lock, irqL);

	return _SUCCESS;
}

struct cmd_obj *rtw_dequeue_cmd(struct __queue *queue)
{
	unsigned long irqL;
	struct cmd_obj *obj;

	spin_lock_irqsave(&queue->lock, irqL);
	obj = list_first_entry_or_null(&queue->queue, struct cmd_obj, list);
	if (obj)
		list_del_init(&obj->list);
	spin_unlock_irqrestore(&queue->lock, irqL);

	return obj;
}

static int rtw_cmd_filter(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj)
{
	struct adapter *padapter = container_of(pcmdpriv, struct adapter, cmdpriv);
	u8 bAllow = false; /* set to true to allow enqueuing cmd when hw_init_completed is false */

	/* To decide allow or not */
	if ((padapter->pwrctrlpriv.bHWPwrPindetect) &&
	    (!padapter->registrypriv.usbss_enable)) {
		if (cmd_obj->cmdcode == _Set_Drv_Extra_CMD_) {
			struct drvextra_cmd_parm	*pdrvextra_cmd_parm = (struct drvextra_cmd_parm	*)cmd_obj->parmbuf;

			if (pdrvextra_cmd_parm->ec_id == POWER_SAVING_CTRL_WK_CID)
				bAllow = true;
		}
	}

	if (cmd_obj->cmdcode == _SetChannelPlan_CMD_)
		bAllow = true;

	if ((!padapter->hw_init_completed && !bAllow) ||
	    !padapter->cmdThread) /* com_thread not running */
		return _FAIL;
	return _SUCCESS;
}

u32 rtw_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj)
{
	int res = _FAIL;
	struct adapter *padapter = container_of(pcmdpriv, struct adapter, cmdpriv);

	if (!cmd_obj)
		goto exit;

	cmd_obj->padapter = padapter;

	res = rtw_cmd_filter(pcmdpriv, cmd_obj);
	if (res == _FAIL) {
		rtw_free_cmd_obj(cmd_obj);
		goto exit;
	}

	res = _rtw_enqueue_cmd(&pcmdpriv->cmd_queue, cmd_obj);

	if (res == _SUCCESS)
		complete(&pcmdpriv->cmd_queue_comp);

exit:

	return res;
}

void rtw_free_cmd_obj(struct cmd_obj *pcmd)
{
	if ((pcmd->cmdcode != _JoinBss_CMD_) && (pcmd->cmdcode != _CreateBss_CMD_)) {
		/* free parmbuf in cmd_obj */
		kfree(pcmd->parmbuf);
	}

	if (pcmd->rsp) {
		if (pcmd->rspsz != 0) {
			/* free rsp in cmd_obj */
			kfree(pcmd->rsp);
		}
	}

	/* free cmd_obj */
	kfree(pcmd);
}

int rtw_cmd_thread(void *context)
{
	u8 ret;
	struct cmd_obj *pcmd;
	u8 (*cmd_hdl)(struct adapter *padapter, u8 *pbuf);
	void (*pcmd_callback)(struct adapter *dev, struct cmd_obj *pcmd);
	struct adapter *padapter = context;
	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;

	allow_signal(SIGTERM);

	do {
		if (padapter->bDriverStopped || padapter->bSurpriseRemoved)
			break;

		pcmd = rtw_dequeue_cmd(&pcmdpriv->cmd_queue);
		if (!pcmd) {
			/* The queue is empty. Wait until someone enqueues a command. */
			if (wait_for_completion_interruptible(&pcmdpriv->cmd_queue_comp))
				break;

			continue;
		}

		if (rtw_cmd_filter(pcmdpriv, pcmd) == _FAIL) {
			pcmd->res = H2C_DROPPED;
		} else {
			if (pcmd->cmdcode < ARRAY_SIZE(wlancmds)) {
				cmd_hdl = wlancmds[pcmd->cmdcode].h2cfuns;

				if (cmd_hdl) {
					ret = cmd_hdl(pcmd->padapter, pcmd->parmbuf);
					pcmd->res = ret;
				}
			} else {
				pcmd->res = H2C_PARAMETERS_ERROR;
			}
		}

		/* call callback function for post-processed */
		if (pcmd->cmdcode < ARRAY_SIZE(rtw_cmd_callback)) {
			pcmd_callback = rtw_cmd_callback[pcmd->cmdcode].callback;
			if (pcmd_callback) {
				/* todo: !!! fill rsp_buf to pcmd->rsp if (pcmd->rsp!= NULL) */
				pcmd_callback(pcmd->padapter, pcmd);
			}
		}
		rtw_free_cmd_obj(pcmd);

		if (signal_pending(current))
			flush_signals(current);
	} while (!kthread_should_stop());

	/*  free all cmd_obj resources */
	while ((pcmd = rtw_dequeue_cmd(&pcmdpriv->cmd_queue)))
		rtw_free_cmd_obj(pcmd);

	padapter->cmdThread = NULL;
	return 0;
}

/*
 * rtw_sitesurvey_cmd(~)
 * ### NOTE:#### (!!!!)
 * MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE
 * LOCKED pmlmepriv->lock
 */
u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid, int ssid_num,
		      struct rtw_ieee80211_channel *ch, int ch_num)
{
	u8 res = _FAIL;
	struct cmd_obj		*ph2c;
	struct sitesurvey_parm	*psurveyPara;
	struct cmd_priv		*pcmdpriv = &padapter->cmdpriv;
	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;

	if (check_fwstate(pmlmepriv, _FW_LINKED))
		rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SCAN, 1);

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	if (!ph2c)
		return _FAIL;

	psurveyPara = kzalloc(sizeof(*psurveyPara), GFP_ATOMIC);
	if (!psurveyPara) {
		kfree(ph2c);
		return _FAIL;
	}

	rtw_free_network_queue(padapter, false);

	init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara, _SiteSurvey_CMD_);

	psurveyPara->scan_mode = pmlmepriv->scan_mode;

	/* prepare ssid list */
	if (ssid) {
		int i;

		for (i = 0; i < ssid_num && i < RTW_SSID_SCAN_AMOUNT; i++) {
			if (ssid[i].ssid_length) {
				memcpy(&psurveyPara->ssid[i], &ssid[i],
				       sizeof(struct ndis_802_11_ssid));
				psurveyPara->ssid_num++;
			}
		}
	}

	/* prepare channel list */
	if (ch) {
		int i;

		for (i = 0; i < ch_num && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
			if (ch[i].hw_value && !(ch[i].flags & RTW_IEEE80211_CHAN_DISABLED)) {
				memcpy(&psurveyPara->ch[i], &ch[i],
				       sizeof(struct rtw_ieee80211_channel));
				psurveyPara->ch_num++;
			}
		}
	}

	set_fwstate(pmlmepriv, _FW_UNDER_SURVEY);

	res = rtw_enqueue_cmd(pcmdpriv, ph2c);

	if (res == _SUCCESS) {
		mod_timer(&pmlmepriv->scan_to_timer,
			  jiffies + msecs_to_jiffies(SCANNING_TIMEOUT));

		led_control_8188eu(padapter, LED_CTL_SITE_SURVEY);

		pmlmepriv->scan_interval = SCAN_INTERVAL;/*  30*2 sec = 60sec */
	} else {
		_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
	}

	return res;
}

void rtw_readtssi_cmdrsp_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
{
	kfree(pcmd->parmbuf);
	kfree(pcmd);
}

u8 rtw_createbss_cmd(struct adapter  *padapter)
{
	struct cmd_obj *pcmd;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;
	struct wlan_bssid_ex *pdev_network = &padapter->registrypriv.dev_network;
	u8	res = _SUCCESS;

	led_control_8188eu(padapter, LED_CTL_START_TO_LINK);

	pcmd = kzalloc(sizeof(*pcmd), GFP_ATOMIC);
	if (!pcmd) {
		res = _FAIL;
		goto exit;
	}

	INIT_LIST_HEAD(&pcmd->list);
	pcmd->cmdcode = _CreateBss_CMD_;
	pcmd->parmbuf = (unsigned char *)pdev_network;
	pcmd->cmdsz = get_wlan_bssid_ex_sz(pdev_network);
	pcmd->rsp = NULL;
	pcmd->rspsz = 0;
	pdev_network->Length = pcmd->cmdsz;
	res = rtw_enqueue_cmd(pcmdpriv, pcmd);
exit:

	return res;
}

u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
{
	u8	res = _SUCCESS;
	uint	t_len = 0;
	struct wlan_bssid_ex		*psecnetwork;
	struct cmd_obj		*pcmd;
	struct cmd_priv		*pcmdpriv = &padapter->cmdpriv;
	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
	struct qos_priv		*pqospriv = &pmlmepriv->qospriv;
	struct security_priv	*psecuritypriv = &padapter->securitypriv;
	struct registry_priv	*pregistrypriv = &padapter->registrypriv;
	struct ht_priv		*phtpriv = &pmlmepriv->htpriv;
	enum ndis_802_11_network_infra ndis_network_mode = pnetwork->network.InfrastructureMode;
	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;

	led_control_8188eu(padapter, LED_CTL_START_TO_LINK);

	pcmd = kzalloc(sizeof(*pcmd), GFP_ATOMIC);
	if (!pcmd) {
		res = _FAIL;
		goto exit;
	}
	/* for ies is fix buf size */
	t_len = sizeof(struct wlan_bssid_ex);

	/* for hidden ap to set fw_state here */
	if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE)) {
		switch (ndis_network_mode) {
		case Ndis802_11IBSS:
			set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
			break;
		case Ndis802_11Infrastructure:
			set_fwstate(pmlmepriv, WIFI_STATION_STATE);
			break;
		case Ndis802_11APMode:
		case Ndis802_11AutoUnknown:
		case Ndis802_11InfrastructureMax:
			break;
		}
	}

	psecnetwork = &psecuritypriv->sec_bss;
	if (!psecnetwork) {
		kfree(pcmd);

		res = _FAIL;

		goto exit;
	}

	memset(psecnetwork, 0, t_len);

	memcpy(psecnetwork, &pnetwork->network, get_wlan_bssid_ex_sz(&pnetwork->network));

	psecuritypriv->authenticator_ie[0] = (unsigned char)psecnetwork->ie_length;

	if (psecnetwork->ie_length - 12 < 255)
		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->ies[12],
		       psecnetwork->ie_length - 12);
	else
		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->ies[12], 255);

	psecnetwork->ie_length = 0;
	/*  Added by Albert 2009/02/18 */
	/*  If the driver wants to use the bssid to create the connection. */
	/*  If not,  we have to copy the connecting AP's MAC address to it so that */
	/*  the driver just has the bssid information for PMKIDList searching. */

	if (!pmlmepriv->assoc_by_bssid)
		memcpy(&pmlmepriv->assoc_bssid[0], &pnetwork->network.MacAddress[0], ETH_ALEN);

	psecnetwork->ie_length = rtw_restruct_sec_ie(padapter, &pnetwork->network.ies[0],
						     &psecnetwork->ies[0],
						     pnetwork->network.ie_length);

	pqospriv->qos_option = 0;

	if (pregistrypriv->wmm_enable) {
		u32 tmp_len;

		tmp_len = rtw_restruct_wmm_ie(padapter, &pnetwork->network.ies[0],
					      &psecnetwork->ies[0],
					      pnetwork->network.ie_length,
					      psecnetwork->ie_length);

		if (psecnetwork->ie_length != tmp_len) {
			psecnetwork->ie_length = tmp_len;
			pqospriv->qos_option = 1; /* There is WMM IE in this corresp. beacon */
		} else {
			pqospriv->qos_option = 0;/* There is no WMM IE in this corresp. beacon */
		}
	}

	phtpriv->ht_option = false;
	if (pregistrypriv->ht_enable) {
		/*
		 * Added by Albert 2010/06/23
		 * For the WEP mode, we will use the bg mode to do
		 * the connection to avoid some IOT issue.
		 * Especially for Realtek 8192u SoftAP.
		 */
		if ((padapter->securitypriv.dot11PrivacyAlgrthm != _WEP40_) &&
		    (padapter->securitypriv.dot11PrivacyAlgrthm != _WEP104_) &&
		    (padapter->securitypriv.dot11PrivacyAlgrthm != _TKIP_)) {
			/* rtw_restructure_ht_ie */
			rtw_restructure_ht_ie(padapter, &pnetwork->network.ies[0],
					      &psecnetwork->ies[0],
					      pnetwork->network.ie_length, &psecnetwork->ie_length);
		}
	}

	pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pnetwork->network.ies, pnetwork->network.ie_length);

	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_TENDA)
		padapter->pwrctrlpriv.smart_ps = 0;
	else
		padapter->pwrctrlpriv.smart_ps = padapter->registrypriv.smart_ps;

	pcmd->cmdsz = get_wlan_bssid_ex_sz(psecnetwork);/* get cmdsz before endian conversion */

	INIT_LIST_HEAD(&pcmd->list);
	pcmd->cmdcode = _JoinBss_CMD_;
	pcmd->parmbuf = (unsigned char *)psecnetwork;
	pcmd->rsp = NULL;
	pcmd->rspsz = 0;

	res = rtw_enqueue_cmd(pcmdpriv, pcmd);

exit:

	return res;
}

u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueue) /* for sta_mode */
{
	struct cmd_obj *cmdobj = NULL;
	struct disconnect_parm *param = NULL;
	struct cmd_priv *cmdpriv = &padapter->cmdpriv;
	u8 res = _SUCCESS;

	/* prepare cmd parameter */
	param = kzalloc(sizeof(*param), GFP_ATOMIC);
	if (!param) {
		res = _FAIL;
		goto exit;
	}
	param->deauth_timeout_ms = deauth_timeout_ms;

	if (enqueue) {
		/* need enqueue, prepare cmd_obj and enqueue */
		cmdobj = kzalloc(sizeof(*cmdobj), GFP_ATOMIC);
		if (!cmdobj) {
			res = _FAIL;
			kfree(param);
			goto exit;
		}
		init_h2fwcmd_w_parm_no_rsp(cmdobj, param, _DisConnect_CMD_);
		res = rtw_enqueue_cmd(cmdpriv, cmdobj);
	} else {
		/* no need to enqueue, do the cmd hdl directly and free cmd parameter */
		if (disconnect_hdl(padapter, (u8 *)param) != H2C_SUCCESS)
			res = _FAIL;
		kfree(param);
	}

exit:

	return res;
}

u8 rtw_setopmode_cmd(struct adapter  *padapter, enum ndis_802_11_network_infra networktype)
{
	struct	cmd_obj *ph2c;
	struct	setopmode_parm *psetop;

	struct	cmd_priv   *pcmdpriv = &padapter->cmdpriv;

	ph2c = kzalloc(sizeof(*ph2c), GFP_KERNEL);
	psetop = kzalloc(sizeof(*psetop), GFP_KERNEL);
	if (!ph2c || !psetop) {
		kfree(ph2c);
		kfree(psetop);
		return false;
	}

	init_h2fwcmd_w_parm_no_rsp(ph2c, psetop, _SetOpMode_CMD_);
	psetop->mode = (u8)networktype;

	return rtw_enqueue_cmd(pcmdpriv, ph2c);
}

u8 rtw_setstakey_cmd(struct adapter *padapter, u8 *psta, u8 unicast_key)
{
	struct cmd_obj *ph2c;
	struct set_stakey_parm *psetstakey_para;
	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
	struct set_stakey_rsp *psetstakey_rsp = NULL;

	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	struct security_priv *psecuritypriv = &padapter->securitypriv;
	struct sta_info *sta = (struct sta_info *)psta;

	ph2c = kzalloc(sizeof(*ph2c), GFP_KERNEL);
	psetstakey_para = kzalloc(sizeof(*psetstakey_para), GFP_KERNEL);
	psetstakey_rsp = kzalloc(sizeof(*psetstakey_rsp), GFP_KERNEL);

	if (!ph2c || !psetstakey_para || !psetstakey_rsp) {
		kfree(ph2c);
		kfree(psetstakey_para);
		kfree(psetstakey_rsp);
		return _FAIL;
	}

	init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
	ph2c->rsp = (u8 *)psetstakey_rsp;
	ph2c->rspsz = sizeof(struct set_stakey_rsp);

	ether_addr_copy(psetstakey_para->addr, sta->hwaddr);

	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
		psetstakey_para->algorithm = (unsigned char)psecuritypriv->dot11PrivacyAlgrthm;
	else
		GET_ENCRY_ALGO(psecuritypriv, sta, psetstakey_para->algorithm, false);

	if (unicast_key)
		memcpy(&psetstakey_para->key, &sta->dot118021x_UncstKey, 16);
	else
		memcpy(&psetstakey_para->key,
		       &psecuritypriv->dot118021XGrpKey[psecuritypriv->dot118021XGrpKeyid].skey, 16);

	/* jeff: set this because at least sw key is ready */
	padapter->securitypriv.busetkipkey = true;

	return rtw_enqueue_cmd(pcmdpriv, ph2c);
}

u8 rtw_clearstakey_cmd(struct adapter *padapter, u8 *psta, u8 entry, u8 enqueue)
{
	struct cmd_obj *ph2c;
	struct set_stakey_parm	*psetstakey_para;
	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
	struct set_stakey_rsp *psetstakey_rsp = NULL;
	struct sta_info *sta = (struct sta_info *)psta;
	u8	res = _SUCCESS;

	if (!enqueue) {
		clear_cam_entry(padapter, entry);
	} else {
		ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
		if (!ph2c) {
			res = _FAIL;
			goto exit;
		}

		psetstakey_para = kzalloc(sizeof(*psetstakey_para), GFP_ATOMIC);
		if (!psetstakey_para) {
			kfree(ph2c);
			res = _FAIL;
			goto exit;
		}

		psetstakey_rsp = kzalloc(sizeof(*psetstakey_rsp), GFP_ATOMIC);
		if (!psetstakey_rsp) {
			kfree(ph2c);
			kfree(psetstakey_para);
			res = _FAIL;
			goto exit;
		}

		init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
		ph2c->rsp = (u8 *)psetstakey_rsp;
		ph2c->rspsz = sizeof(struct set_stakey_rsp);

		ether_addr_copy(psetstakey_para->addr, sta->hwaddr);

		psetstakey_para->algorithm = _NO_PRIVACY_;

		psetstakey_para->id = entry;

		res = rtw_enqueue_cmd(pcmdpriv, ph2c);
	}
exit:

	return res;
}

u8 rtw_addbareq_cmd(struct adapter *padapter, u8 tid, u8 *addr)
{
	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
	struct cmd_obj *ph2c;
	struct addBaReq_parm *paddbareq_parm;
	u8	res = _SUCCESS;

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	if (!ph2c) {
		res = _FAIL;
		goto exit;
	}

	paddbareq_parm = kzalloc(sizeof(*paddbareq_parm), GFP_ATOMIC);
	if (!paddbareq_parm) {
		kfree(ph2c);
		res = _FAIL;
		goto exit;
	}

	paddbareq_parm->tid = tid;
	memcpy(paddbareq_parm->addr, addr, ETH_ALEN);

	init_h2fwcmd_w_parm_no_rsp(ph2c, paddbareq_parm, _AddBAReq_CMD_);

	res = rtw_enqueue_cmd(pcmdpriv, ph2c);

exit:

	return res;
}

u8 rtw_dynamic_chk_wk_cmd(struct adapter *padapter)
{
	struct cmd_obj *ph2c;
	struct drvextra_cmd_parm *pdrvextra_cmd_parm;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;
	u8	res = _SUCCESS;

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	if (!ph2c) {
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_ATOMIC);
	if (!pdrvextra_cmd_parm) {
		kfree(ph2c);
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm->ec_id = DYNAMIC_CHK_WK_CID;
	pdrvextra_cmd_parm->type_size = 0;
	pdrvextra_cmd_parm->pbuf = (u8 *)padapter;

	init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);

	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
exit:
	return res;
}

u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue)
{
	struct	cmd_obj *pcmdobj;
	struct	SetChannelPlan_param *setChannelPlan_param;
	struct	cmd_priv   *pcmdpriv = &padapter->cmdpriv;

	u8	res = _SUCCESS;

	/* check input parameter */
	if (!rtw_is_channel_plan_valid(chplan)) {
		res = _FAIL;
		goto exit;
	}

	/* prepare cmd parameter */
	setChannelPlan_param = kzalloc(sizeof(*setChannelPlan_param), GFP_KERNEL);
	if (!setChannelPlan_param) {
		res = _FAIL;
		goto exit;
	}
	setChannelPlan_param->channel_plan = chplan;

	if (enqueue) {
		/* need enqueue, prepare cmd_obj and enqueue */
		pcmdobj = kzalloc(sizeof(*pcmdobj), GFP_KERNEL);
		if (!pcmdobj) {
			kfree(setChannelPlan_param);
			res = _FAIL;
			goto exit;
		}

		init_h2fwcmd_w_parm_no_rsp(pcmdobj, setChannelPlan_param, _SetChannelPlan_CMD_);
		res = rtw_enqueue_cmd(pcmdpriv, pcmdobj);
	} else {
		/* no need to enqueue, do the cmd hdl directly and free cmd parameter */
		if (set_chplan_hdl(padapter, (unsigned char *)setChannelPlan_param) != H2C_SUCCESS)
			res = _FAIL;

		kfree(setChannelPlan_param);
	}

	if (res == _SUCCESS)
		padapter->mlmepriv.ChannelPlan = chplan;

exit:

	return res;
}

static void traffic_status_watchdog(struct adapter *padapter)
{
	u8	bEnterPS;
	u8	bBusyTraffic = false, bTxBusyTraffic = false, bRxBusyTraffic = false;
	u8	bHigherBusyTraffic = false, bHigherBusyRxTraffic = false, bHigherBusyTxTraffic = false;
	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;

	/*  */
	/*  Determine if our traffic is busy now */
	/*  */
	if (check_fwstate(pmlmepriv, _FW_LINKED)) {
		if (pmlmepriv->LinkDetectInfo.NumRxOkInPeriod > 100 ||
		    pmlmepriv->LinkDetectInfo.NumTxOkInPeriod > 100) {
			bBusyTraffic = true;

			if (pmlmepriv->LinkDetectInfo.NumRxOkInPeriod >
			    pmlmepriv->LinkDetectInfo.NumTxOkInPeriod)
				bRxBusyTraffic = true;
			else
				bTxBusyTraffic = true;
		}

		/*  Higher Tx/Rx data. */
		if (pmlmepriv->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
		    pmlmepriv->LinkDetectInfo.NumTxOkInPeriod > 4000) {
			bHigherBusyTraffic = true;

			if (pmlmepriv->LinkDetectInfo.NumRxOkInPeriod >
			    pmlmepriv->LinkDetectInfo.NumTxOkInPeriod)
				bHigherBusyRxTraffic = true;
			else
				bHigherBusyTxTraffic = true;
		}

		/*  check traffic for  powersaving. */
		if (((pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod + pmlmepriv->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
		    (pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
			bEnterPS = false;
		else
			bEnterPS = true;

		/*  LeisurePS only work in infra mode. */
		if (bEnterPS)
			LPS_Enter(padapter);
		else
			LPS_Leave(padapter);
	} else {
		LPS_Leave(padapter);
	}

	pmlmepriv->LinkDetectInfo.NumRxOkInPeriod = 0;
	pmlmepriv->LinkDetectInfo.NumTxOkInPeriod = 0;
	pmlmepriv->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
	pmlmepriv->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
	pmlmepriv->LinkDetectInfo.bTxBusyTraffic = bTxBusyTraffic;
	pmlmepriv->LinkDetectInfo.bRxBusyTraffic = bRxBusyTraffic;
	pmlmepriv->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
	pmlmepriv->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
	pmlmepriv->LinkDetectInfo.bHigherBusyTxTraffic = bHigherBusyTxTraffic;
}

static void dynamic_chk_wk_hdl(struct adapter *padapter, u8 *pbuf, int sz)
{
	struct mlme_priv *pmlmepriv;

	padapter = (struct adapter *)pbuf;
	pmlmepriv = &padapter->mlmepriv;

#ifdef CONFIG_88EU_AP_MODE
	if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
		expire_timeout_chk(padapter);
#endif

	linked_status_chk(padapter);
	traffic_status_watchdog(padapter);

	rtw_hal_dm_watchdog(padapter);
}

static void lps_ctrl_wk_hdl(struct adapter *padapter, u8 lps_ctrl_type)
{
	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	u8	mstatus;

	if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
	    check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))
		return;

	switch (lps_ctrl_type) {
	case LPS_CTRL_SCAN:
		if (check_fwstate(pmlmepriv, _FW_LINKED)) {
			/* connect */
			LPS_Leave(padapter);
		}
		break;
	case LPS_CTRL_JOINBSS:
		LPS_Leave(padapter);
		break;
	case LPS_CTRL_CONNECT:
		mstatus = 1;/* connect */
		/*  Reset LPS Setting */
		padapter->pwrctrlpriv.LpsIdleCount = 0;
		rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_JOINBSSRPT, (u8 *)(&mstatus));
		break;
	case LPS_CTRL_DISCONNECT:
		mstatus = 0;/* disconnect */
		LPS_Leave(padapter);
		rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_JOINBSSRPT, (u8 *)(&mstatus));
		break;
	case LPS_CTRL_SPECIAL_PACKET:
		pwrpriv->DelayLPSLastTimeStamp = jiffies;
		LPS_Leave(padapter);
		break;
	case LPS_CTRL_LEAVE:
		LPS_Leave(padapter);
		break;
	default:
		break;
	}
}

u8 rtw_lps_ctrl_wk_cmd(struct adapter *padapter, u8 lps_ctrl_type, u8 enqueue)
{
	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
	struct drvextra_cmd_parm *pdrvextra_cmd_parm;
	struct cmd_obj	*ph2c;

	if (!enqueue) {
		lps_ctrl_wk_hdl(padapter, lps_ctrl_type);
		return _SUCCESS;
	}

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_ATOMIC);
	if (!ph2c || !pdrvextra_cmd_parm) {
		kfree(ph2c);
		kfree(pdrvextra_cmd_parm);
		return _FAIL;
	}

	pdrvextra_cmd_parm->ec_id = LPS_CTRL_WK_CID;
	pdrvextra_cmd_parm->type_size = lps_ctrl_type;

	init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);
	return rtw_enqueue_cmd(pcmdpriv, ph2c);
}

static void rpt_timer_setting_wk_hdl(struct adapter *padapter, u16 min_time)
{
	rtw_hal_set_hwreg(padapter, HW_VAR_RPT_TIMER_SETTING, (u8 *)(&min_time));
}

u8 rtw_rpt_timer_cfg_cmd(struct adapter *padapter, u16 min_time)
{
	struct cmd_obj		*ph2c;
	struct drvextra_cmd_parm	*pdrvextra_cmd_parm;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;

	u8	res = _SUCCESS;

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	if (!ph2c) {
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_ATOMIC);
	if (!pdrvextra_cmd_parm) {
		kfree(ph2c);
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm->ec_id = RTP_TIMER_CFG_WK_CID;
	pdrvextra_cmd_parm->type_size = min_time;
	pdrvextra_cmd_parm->pbuf = NULL;
	init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);
	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
exit:

	return res;
}

static void antenna_select_wk_hdl(struct adapter *padapter, u8 antenna)
{
	rtw_hal_set_hwreg(padapter, HW_VAR_ANTENNA_DIVERSITY_SELECT, (u8 *)(&antenna));
}

u8 rtw_antenna_select_cmd(struct adapter *padapter, u8 antenna, u8 enqueue)
{
	struct cmd_obj		*ph2c;
	struct drvextra_cmd_parm	*pdrvextra_cmd_parm;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;
	u8	support_ant_div;
	u8	res = _SUCCESS;

	rtw_hal_get_def_var(padapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &support_ant_div);
	if (!support_ant_div)
		return res;

	if (enqueue) {
		ph2c = kzalloc(sizeof(*ph2c), GFP_KERNEL);
		if (!ph2c) {
			res = _FAIL;
			goto exit;
		}

		pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_KERNEL);
		if (!pdrvextra_cmd_parm) {
			kfree(ph2c);
			res = _FAIL;
			goto exit;
		}

		pdrvextra_cmd_parm->ec_id = ANT_SELECT_WK_CID;
		pdrvextra_cmd_parm->type_size = antenna;
		pdrvextra_cmd_parm->pbuf = NULL;
		init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);

		res = rtw_enqueue_cmd(pcmdpriv, ph2c);
	} else {
		antenna_select_wk_hdl(padapter, antenna);
	}
exit:

	return res;
}

u8 rtw_ps_cmd(struct adapter *padapter)
{
	struct cmd_obj		*ppscmd;
	struct drvextra_cmd_parm	*pdrvextra_cmd_parm;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;

	ppscmd = kzalloc(sizeof(*ppscmd), GFP_ATOMIC);
	pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_ATOMIC);
	if (!ppscmd || !pdrvextra_cmd_parm) {
		kfree(ppscmd);
		kfree(pdrvextra_cmd_parm);
		return _FAIL;
	}

	pdrvextra_cmd_parm->ec_id = POWER_SAVING_CTRL_WK_CID;
	pdrvextra_cmd_parm->pbuf = NULL;
	init_h2fwcmd_w_parm_no_rsp(ppscmd, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);

	return rtw_enqueue_cmd(pcmdpriv, ppscmd);
}

#ifdef CONFIG_88EU_AP_MODE

static void rtw_chk_hi_queue_hdl(struct adapter *padapter)
{
	int cnt = 0;
	struct sta_info *psta_bmc;
	struct sta_priv *pstapriv = &padapter->stapriv;

	psta_bmc = rtw_get_bcmc_stainfo(padapter);
	if (!psta_bmc)
		return;

	if (psta_bmc->sleepq_len == 0) {
		u8 val = 0;

		rtw_hal_get_hwreg(padapter, HW_VAR_CHK_HI_QUEUE_EMPTY, &val);

		while (!val) {
			msleep(100);

			cnt++;

			if (cnt > 10)
				break;

			rtw_hal_get_hwreg(padapter, HW_VAR_CHK_HI_QUEUE_EMPTY, &val);
		}

		if (cnt <= 10) {
			pstapriv->tim_bitmap &= ~BIT(0);
			pstapriv->sta_dz_bitmap &= ~BIT(0);

			update_beacon(padapter, WLAN_EID_TIM, NULL, false);
		} else { /* re check again */
			rtw_chk_hi_queue_cmd(padapter);
		}
	}
}

u8 rtw_chk_hi_queue_cmd(struct adapter *padapter)
{
	struct cmd_obj	*ph2c;
	struct drvextra_cmd_parm	*pdrvextra_cmd_parm;
	struct cmd_priv	*pcmdpriv = &padapter->cmdpriv;
	u8	res = _SUCCESS;

	ph2c = kzalloc(sizeof(*ph2c), GFP_ATOMIC);
	if (!ph2c) {
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm = kzalloc(sizeof(*pdrvextra_cmd_parm), GFP_ATOMIC);
	if (!pdrvextra_cmd_parm) {
		kfree(ph2c);
		res = _FAIL;
		goto exit;
	}

	pdrvextra_cmd_parm->ec_id = CHECK_HIQ_WK_CID;
	pdrvextra_cmd_parm->type_size = 0;
	pdrvextra_cmd_parm->pbuf = NULL;

	init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, _Set_Drv_Extra_CMD_);

	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
exit:
	return res;
}
#endif

u8 rtw_drvextra_cmd_hdl(struct adapter *padapter, unsigned char *pbuf)
{
	struct drvextra_cmd_parm *pdrvextra_cmd;

	if (!pbuf)
		return H2C_PARAMETERS_ERROR;

	pdrvextra_cmd = (struct drvextra_cmd_parm *)pbuf;

	switch (pdrvextra_cmd->ec_id) {
	case DYNAMIC_CHK_WK_CID:
		dynamic_chk_wk_hdl(padapter, pdrvextra_cmd->pbuf, pdrvextra_cmd->type_size);
		break;
	case POWER_SAVING_CTRL_WK_CID:
		rtw_ps_processor(padapter);
		break;
	case LPS_CTRL_WK_CID:
		lps_ctrl_wk_hdl(padapter, (u8)pdrvextra_cmd->type_size);
		break;
	case RTP_TIMER_CFG_WK_CID:
		rpt_timer_setting_wk_hdl(padapter, pdrvextra_cmd->type_size);
		break;
	case ANT_SELECT_WK_CID:
		antenna_select_wk_hdl(padapter, pdrvextra_cmd->type_size);
		break;
#ifdef CONFIG_88EU_AP_MODE
	case CHECK_HIQ_WK_CID:
		rtw_chk_hi_queue_hdl(padapter);
		break;
#endif /* CONFIG_88EU_AP_MODE */
	default:
		break;
	}

	if (pdrvextra_cmd->pbuf && pdrvextra_cmd->type_size > 0)
		kfree(pdrvextra_cmd->pbuf);

	return H2C_SUCCESS;
}

void rtw_survey_cmd_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
{
	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;

	if (pcmd->res == H2C_DROPPED) {
		/* TODO: cancel timer and do timeout handler directly... */
		/* need to make timeout handlerOS independent */
		mod_timer(&pmlmepriv->scan_to_timer,
			  jiffies + msecs_to_jiffies(1));
	} else if (pcmd->res != H2C_SUCCESS) {
		mod_timer(&pmlmepriv->scan_to_timer,
			  jiffies + msecs_to_jiffies(1));
	}
}

void rtw_disassoc_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd)
{
	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;

	if (pcmd->res != H2C_SUCCESS) {
		spin_lock_bh(&pmlmepriv->lock);
		set_fwstate(pmlmepriv, _FW_LINKED);
		spin_unlock_bh(&pmlmepriv->lock);
	}
}

void rtw_joinbss_cmd_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
{
	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;

	if (pcmd->res == H2C_DROPPED) {
		/* TODO: cancel timer and do timeout handler directly... */
		/* need to make timeout handlerOS independent */
		mod_timer(&pmlmepriv->assoc_timer,
			  jiffies + msecs_to_jiffies(1));
	} else if (pcmd->res != H2C_SUCCESS) {
		mod_timer(&pmlmepriv->assoc_timer,
			  jiffies + msecs_to_jiffies(1));
	}
}

void rtw_createbss_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd)
{
	struct sta_info *psta = NULL;
	struct wlan_network *pwlan = NULL;
	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;
	struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)pcmd->parmbuf;
	struct wlan_network *tgt_network = &pmlmepriv->cur_network;

	if (pcmd->res != H2C_SUCCESS) {
		mod_timer(&pmlmepriv->assoc_timer,
			  jiffies + msecs_to_jiffies(1));
	}

	del_timer_sync(&pmlmepriv->assoc_timer);

	spin_lock_bh(&pmlmepriv->lock);

	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
		psta = rtw_get_stainfo(&padapter->stapriv, pnetwork->MacAddress);
		if (!psta) {
			psta = rtw_alloc_stainfo(&padapter->stapriv, pnetwork->MacAddress);
			if (!psta) {
				goto createbss_cmd_fail;
			}
		}

		rtw_indicate_connect(padapter);
	} else {
		pwlan = rtw_alloc_network(pmlmepriv);
		spin_lock_bh(&pmlmepriv->scanned_queue.lock);
		if (!pwlan) {
			pwlan = rtw_get_oldest_wlan_network(&pmlmepriv->scanned_queue);
			if (!pwlan) {
				spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
				goto createbss_cmd_fail;
			}
			pwlan->last_scanned = jiffies;
		} else {
			list_add_tail(&pwlan->list,
				      &pmlmepriv->scanned_queue.queue);
		}

		pnetwork->Length = get_wlan_bssid_ex_sz(pnetwork);
		memcpy(&pwlan->network, pnetwork, pnetwork->Length);

		memcpy(&tgt_network->network, pnetwork, (get_wlan_bssid_ex_sz(pnetwork)));

		_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);

		spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
		/*  we will set _FW_LINKED when there is one more sat to
		 *  join us (rtw_stassoc_event_callback)
		 */
	}

createbss_cmd_fail:

	spin_unlock_bh(&pmlmepriv->lock);
}

void rtw_setassocsta_cmdrsp_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
{
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
	struct set_assocsta_parm *passocsta_parm = (struct set_assocsta_parm *)(pcmd->parmbuf);
	struct set_assocsta_rsp *passocsta_rsp = (struct set_assocsta_rsp *)(pcmd->rsp);
	struct sta_info *psta = rtw_get_stainfo(pstapriv, passocsta_parm->addr);

	if (!psta)
		return;

	psta->aid = passocsta_rsp->cam_id;
	psta->mac_id = passocsta_rsp->cam_id;

	spin_lock_bh(&pmlmepriv->lock);

	set_fwstate(pmlmepriv, _FW_LINKED);
	spin_unlock_bh(&pmlmepriv->lock);
}