[deliverable/linux.git] / drivers / staging / rtl8712 / rtl871x_sta_mgt.c

/******************************************************************************
 * rtl871x_sta_mgt.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/

#define _RTL871X_STA_MGT_C_

#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "xmit_osdep.h"
#include "sta_info.h"

static void _init_stainfo(struct sta_info *psta)
{
	memset((u8 *)psta, 0, sizeof(struct sta_info));
	 spin_lock_init(&psta->lock);
	_init_listhead(&psta->list);
	_init_listhead(&psta->hash_list);
	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
	_init_listhead(&psta->asoc_list);
	_init_listhead(&psta->auth_list);
}

u32 _r8712_init_sta_priv(struct	sta_priv *pstapriv)
{
	struct sta_info *psta;
	s32 i;

	pstapriv->pallocated_stainfo_buf = _malloc(sizeof(struct sta_info) *
						   NUM_STA + 4);
	if (pstapriv->pallocated_stainfo_buf == NULL)
		return _FAIL;
	pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
		((addr_t)(pstapriv->pallocated_stainfo_buf) & 3);
	_init_queue(&pstapriv->free_sta_queue);
	spin_lock_init(&pstapriv->sta_hash_lock);
	pstapriv->asoc_sta_count = 0;
	_init_queue(&pstapriv->sleep_q);
	_init_queue(&pstapriv->wakeup_q);
	psta = (struct sta_info *)(pstapriv->pstainfo_buf);
	for (i = 0; i < NUM_STA; i++) {
		_init_stainfo(psta);
		_init_listhead(&(pstapriv->sta_hash[i]));
		list_insert_tail(&psta->list,
				 get_list_head(&pstapriv->free_sta_queue));
		psta++;
	}
	_init_listhead(&pstapriv->asoc_list);
	_init_listhead(&pstapriv->auth_list);
	return _SUCCESS;
}

/* this function is used to free the memory of lock || sema for all stainfos */
static void mfree_all_stainfo(struct sta_priv *pstapriv)
{
	unsigned long irqL;
	struct list_head *plist, *phead;
	struct sta_info *psta = NULL;

	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
	phead = get_list_head(&pstapriv->free_sta_queue);
	plist = get_next(phead);
	while ((end_of_queue_search(phead, plist)) == false) {
		psta = LIST_CONTAINOR(plist, struct sta_info, list);
		plist = get_next(plist);
	}

	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}


static void mfree_sta_priv_lock(struct	sta_priv *pstapriv)
{
	 mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
}

u32 _r8712_free_sta_priv(struct sta_priv *pstapriv)
{
	if (pstapriv) {
		mfree_sta_priv_lock(pstapriv);
		kfree(pstapriv->pallocated_stainfo_buf);
	}
	return _SUCCESS;
}

struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
{
	uint tmp_aid;
	s32	index;
	struct list_head *phash_list;
	struct sta_info	*psta;
	struct  __queue *pfree_sta_queue;
	struct recv_reorder_ctrl *preorder_ctrl;
	int i = 0;
	u16  wRxSeqInitialValue = 0xffff;
	unsigned long flags;

	pfree_sta_queue = &pstapriv->free_sta_queue;
	spin_lock_irqsave(&(pfree_sta_queue->lock), flags);
	if (_queue_empty(pfree_sta_queue) == true)
		psta = NULL;
	else {
		psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue),
				      struct sta_info, list);
		list_delete(&(psta->list));
		tmp_aid = psta->aid;
		_init_stainfo(psta);
		memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
		index = wifi_mac_hash(hwaddr);
		if (index >= NUM_STA) {
			psta = NULL;
			goto exit;
		}
		phash_list = &(pstapriv->sta_hash[index]);
		list_insert_tail(&psta->hash_list, phash_list);
		pstapriv->asoc_sta_count++ ;

/* For the SMC router, the sequence number of first packet of WPS handshake
 * will be 0. In this case, this packet will be dropped by recv_decache function
 * if we use the 0x00 as the default value for tid_rxseq variable. So, we
 * initialize the tid_rxseq variable as the 0xffff.
 */
		for (i = 0; i < 16; i++)
			memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
				&wRxSeqInitialValue, 2);
		/* for A-MPDU Rx reordering buffer control */
		for (i = 0; i < 16 ; i++) {
			preorder_ctrl = &psta->recvreorder_ctrl[i];
			preorder_ctrl->padapter = pstapriv->padapter;
			preorder_ctrl->indicate_seq = 0xffff;
			preorder_ctrl->wend_b = 0xffff;
			preorder_ctrl->wsize_b = 64;
			_init_queue(&preorder_ctrl->pending_recvframe_queue);
			r8712_init_recv_timer(preorder_ctrl);
		}
	}
exit:
	spin_unlock_irqrestore(&(pfree_sta_queue->lock), flags);
	return psta;
}

/* using pstapriv->sta_hash_lock to protect */
void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta)
{
	int i;
	unsigned long irqL0;
	struct  __queue *pfree_sta_queue;
	struct recv_reorder_ctrl *preorder_ctrl;
	struct	sta_xmit_priv *pstaxmitpriv;
	struct	xmit_priv *pxmitpriv = &padapter->xmitpriv;
	struct	sta_priv *pstapriv = &padapter->stapriv;

	if (psta == NULL)
		return;
	pfree_sta_queue = &pstapriv->free_sta_queue;
	pstaxmitpriv = &psta->sta_xmitpriv;
	spin_lock_irqsave(&(pxmitpriv->vo_pending.lock), irqL0);
	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
	list_delete(&(pstaxmitpriv->vo_q.tx_pending));
	spin_unlock_irqrestore(&(pxmitpriv->vo_pending.lock), irqL0);
	spin_lock_irqsave(&(pxmitpriv->vi_pending.lock), irqL0);
	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
	list_delete(&(pstaxmitpriv->vi_q.tx_pending));
	spin_unlock_irqrestore(&(pxmitpriv->vi_pending.lock), irqL0);
	spin_lock_irqsave(&(pxmitpriv->bk_pending.lock), irqL0);
	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
	list_delete(&(pstaxmitpriv->bk_q.tx_pending));
	spin_unlock_irqrestore(&(pxmitpriv->bk_pending.lock), irqL0);
	spin_lock_irqsave(&(pxmitpriv->be_pending.lock), irqL0);
	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
	list_delete(&(pstaxmitpriv->be_q.tx_pending));
	spin_unlock_irqrestore(&(pxmitpriv->be_pending.lock), irqL0);
	list_delete(&psta->hash_list);
	pstapriv->asoc_sta_count--;
	/* re-init sta_info; 20061114 */
	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
	/* for A-MPDU Rx reordering buffer control,
	 * cancel reordering_ctrl_timer */
	for (i = 0; i < 16; i++) {
		preorder_ctrl = &psta->recvreorder_ctrl[i];
		_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
	}
	spin_lock(&(pfree_sta_queue->lock));
	/* insert into free_sta_queue; 20061114 */
	list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
	spin_unlock(&(pfree_sta_queue->lock));
}

/* free all stainfo which in sta_hash[all] */
void r8712_free_all_stainfo(struct _adapter *padapter)
{
	unsigned long irqL;
	struct list_head *plist, *phead;
	s32 index;
	struct sta_info *psta = NULL;
	struct	sta_priv *pstapriv = &padapter->stapriv;
	struct sta_info *pbcmc_stainfo = r8712_get_bcmc_stainfo(padapter);

	if (pstapriv->asoc_sta_count == 1)
		return;
	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
	for (index = 0; index < NUM_STA; index++) {
		phead = &(pstapriv->sta_hash[index]);
		plist = get_next(phead);
		while ((end_of_queue_search(phead, plist)) == false) {
			psta = LIST_CONTAINOR(plist,
					      struct sta_info, hash_list);
			plist = get_next(plist);
			if (pbcmc_stainfo != psta)
				r8712_free_stainfo(padapter , psta);
		}
	}
	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}

/* any station allocated can be searched by hash list */
struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
{
	unsigned long	 irqL;
	struct list_head *plist, *phead;
	struct sta_info *psta = NULL;
	u32	index;

	if (hwaddr == NULL)
		return NULL;
	index = wifi_mac_hash(hwaddr);
	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
	phead = &(pstapriv->sta_hash[index]);
	plist = get_next(phead);
	while ((end_of_queue_search(phead, plist)) == false) {
		psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
		if ((!memcmp(psta->hwaddr, hwaddr, ETH_ALEN))) {
			/* if found the matched address */
			break;
		}
		psta = NULL;
		plist = get_next(plist);
	}
	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
	return psta;
}

void r8712_init_bcmc_stainfo(struct _adapter *padapter)
{
	struct sta_info	*psta;
	struct tx_servq	*ptxservq;
	unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	struct	sta_priv *pstapriv = &padapter->stapriv;

	psta = r8712_alloc_stainfo(pstapriv, bcast_addr);
	if (psta == NULL)
		return;
	ptxservq = &(psta->sta_xmitpriv.be_q);
}

struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter)
{
	struct sta_info *psta;
	struct sta_priv *pstapriv = &padapter->stapriv;
	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};

	psta = r8712_get_stainfo(pstapriv, bc_addr);
	return psta;
}


u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr)
{
	return true;
}
Commit	Line	Data
2865d42c LF	1	/******************************************************************************
	2	* rtl871x_sta_mgt.c
	3	*
	4	* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
	5	* Linux device driver for RTL8192SU
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of version 2 of the GNU General Public License as
	9	* published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program; if not, write to the Free Software Foundation, Inc.,
	18	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	19	*
	20	* Modifications for inclusion into the Linux staging tree are
	21	* Copyright(c) 2010 Larry Finger. All rights reserved.
	22	*
	23	* Contact information:
	24	* WLAN FAE <wlanfae@realtek.com>
	25	* Larry Finger <Larry.Finger@lwfinger.net>
	26	*
	27	******************************************************************************/
	28
	29	#define _RTL871X_STA_MGT_C_
	30
	31	#include "osdep_service.h"
	32	#include "drv_types.h"
	33	#include "recv_osdep.h"
	34	#include "xmit_osdep.h"
	35	#include "sta_info.h"
	36
	37	static void _init_stainfo(struct sta_info *psta)
	38	{
	39	memset((u8 *)psta, 0, sizeof(struct sta_info));
	40	spin_lock_init(&psta->lock);
	41	_init_listhead(&psta->list);
	42	_init_listhead(&psta->hash_list);
	43	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
	44	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
07386343	45	_init_listhead(&psta->asoc_list);
2865d42c	46	_init_listhead(&psta->auth_list);
2865d42c LF	47	}
	48
	49	u32 _r8712_init_sta_priv(struct sta_priv *pstapriv)
	50	{
	51	struct sta_info *psta;
	52	s32 i;
	53
	54	pstapriv->pallocated_stainfo_buf = _malloc(sizeof(struct sta_info) *
	55	NUM_STA + 4);
	56	if (pstapriv->pallocated_stainfo_buf == NULL)
	57	return _FAIL;
	58	pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
	59	((addr_t)(pstapriv->pallocated_stainfo_buf) & 3);
	60	_init_queue(&pstapriv->free_sta_queue);
	61	spin_lock_init(&pstapriv->sta_hash_lock);
	62	pstapriv->asoc_sta_count = 0;
	63	_init_queue(&pstapriv->sleep_q);
	64	_init_queue(&pstapriv->wakeup_q);
	65	psta = (struct sta_info *)(pstapriv->pstainfo_buf);
	66	for (i = 0; i < NUM_STA; i++) {
	67	_init_stainfo(psta);
	68	_init_listhead(&(pstapriv->sta_hash[i]));
	69	list_insert_tail(&psta->list,
	70	get_list_head(&pstapriv->free_sta_queue));
	71	psta++;
	72	}
2865d42c LF	73	_init_listhead(&pstapriv->asoc_list);
2865d42c LF	74	_init_listhead(&pstapriv->auth_list);
2865d42c LF	75	return _SUCCESS;
	76	}
	77
	78	/* this function is used to free the memory of lock \|\| sema for all stainfos */
	79	static void mfree_all_stainfo(struct sta_priv *pstapriv)
	80	{
	81	unsigned long irqL;
	82	struct list_head plist, phead;
	83	struct sta_info *psta = NULL;
	84
	85	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
	86	phead = get_list_head(&pstapriv->free_sta_queue);
	87	plist = get_next(phead);
	88	while ((end_of_queue_search(phead, plist)) == false) {
	89	psta = LIST_CONTAINOR(plist, struct sta_info, list);
	90	plist = get_next(plist);
	91	}
	92
	93	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
	94	}
	95
	96
	97	static void mfree_sta_priv_lock(struct sta_priv *pstapriv)
	98	{
	99	mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
	100	}
	101
	102	u32 _r8712_free_sta_priv(struct sta_priv *pstapriv)
	103	{
	104	if (pstapriv) {
	105	mfree_sta_priv_lock(pstapriv);
	106	kfree(pstapriv->pallocated_stainfo_buf);
	107	}
	108	return _SUCCESS;
	109	}
	110
	111	struct sta_info r8712_alloc_stainfo(struct sta_priv pstapriv, u8 *hwaddr)
	112	{
	113	uint tmp_aid;
	114	s32 index;
	115	struct list_head *phash_list;
	116	struct sta_info *psta;
	117	struct __queue *pfree_sta_queue;
	118	struct recv_reorder_ctrl *preorder_ctrl;
	119	int i = 0;
	120	u16 wRxSeqInitialValue = 0xffff;
	121	unsigned long flags;
	122
	123	pfree_sta_queue = &pstapriv->free_sta_queue;
	124	spin_lock_irqsave(&(pfree_sta_queue->lock), flags);
	125	if (_queue_empty(pfree_sta_queue) == true)
	126	psta = NULL;
	127	else {
	128	psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue),
	129	struct sta_info, list);
	130	list_delete(&(psta->list));
	131	tmp_aid = psta->aid;
	132	_init_stainfo(psta);
	133	memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
	134	index = wifi_mac_hash(hwaddr);
	135	if (index >= NUM_STA) {
	136	psta = NULL;
	137	goto exit;
	138	}
139	phash_list = &(pstapriv->sta_hash[index]);
140	list_insert_tail(&psta->hash_list, phash_list);
141	pstapriv->asoc_sta_count++ ;
142
143	/* For the SMC router, the sequence number of first packet of WPS handshake
144	* will be 0. In this case, this packet will be dropped by recv_decache function
145	* if we use the 0x00 as the default value for tid_rxseq variable. So, we
146	* initialize the tid_rxseq variable as the 0xffff.
147	*/
148	for (i = 0; i < 16; i++)
149	memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
150	&wRxSeqInitialValue, 2);
151	/* for A-MPDU Rx reordering buffer control */
152	for (i = 0; i < 16 ; i++) {
153	preorder_ctrl = &psta->recvreorder_ctrl[i];
154	preorder_ctrl->padapter = pstapriv->padapter;
155	preorder_ctrl->indicate_seq = 0xffff;
156	preorder_ctrl->wend_b = 0xffff;
157	preorder_ctrl->wsize_b = 64;
158	_init_queue(&preorder_ctrl->pending_recvframe_queue);
159	r8712_init_recv_timer(preorder_ctrl);
160	}
161	}
162	exit:
163	spin_unlock_irqrestore(&(pfree_sta_queue->lock), flags);
164	return psta;
165	}
166
167	/* using pstapriv->sta_hash_lock to protect */
168	void r8712_free_stainfo(struct _adapter padapter, struct sta_info psta)
169	{
170	int i;
171	unsigned long irqL0;
172	struct __queue *pfree_sta_queue;
173	struct recv_reorder_ctrl *preorder_ctrl;
174	struct sta_xmit_priv *pstaxmitpriv;
175	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
176	struct sta_priv *pstapriv = &padapter->stapriv;
177
178	if (psta == NULL)
179	return;
180	pfree_sta_queue = &pstapriv->free_sta_queue;
181	pstaxmitpriv = &psta->sta_xmitpriv;
182	spin_lock_irqsave(&(pxmitpriv->vo_pending.lock), irqL0);
183	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
184	list_delete(&(pstaxmitpriv->vo_q.tx_pending));
185	spin_unlock_irqrestore(&(pxmitpriv->vo_pending.lock), irqL0);
186	spin_lock_irqsave(&(pxmitpriv->vi_pending.lock), irqL0);
187	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
188	list_delete(&(pstaxmitpriv->vi_q.tx_pending));
189	spin_unlock_irqrestore(&(pxmitpriv->vi_pending.lock), irqL0);
190	spin_lock_irqsave(&(pxmitpriv->bk_pending.lock), irqL0);
191	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
192	list_delete(&(pstaxmitpriv->bk_q.tx_pending));
193	spin_unlock_irqrestore(&(pxmitpriv->bk_pending.lock), irqL0);
194	spin_lock_irqsave(&(pxmitpriv->be_pending.lock), irqL0);
195	r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
196	list_delete(&(pstaxmitpriv->be_q.tx_pending));
197	spin_unlock_irqrestore(&(pxmitpriv->be_pending.lock), irqL0);
198	list_delete(&psta->hash_list);
199	pstapriv->asoc_sta_count--;
200	/* re-init sta_info; 20061114 */
201	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
202	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
203	/* for A-MPDU Rx reordering buffer control,
204	* cancel reordering_ctrl_timer */
205	for (i = 0; i < 16; i++) {
206	preorder_ctrl = &psta->recvreorder_ctrl[i];
207	_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
208	}
209	spin_lock(&(pfree_sta_queue->lock));
210	/* insert into free_sta_queue; 20061114 */
211	list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
212	spin_unlock(&(pfree_sta_queue->lock));
213	}
214
215	/* free all stainfo which in sta_hash[all] */
216	void r8712_free_all_stainfo(struct _adapter *padapter)
217	{
218	unsigned long irqL;
219	struct list_head plist, phead;
220	s32 index;
221	struct sta_info *psta = NULL;
222	struct sta_priv *pstapriv = &padapter->stapriv;
223	struct sta_info *pbcmc_stainfo = r8712_get_bcmc_stainfo(padapter);
224
225	if (pstapriv->asoc_sta_count == 1)
226	return;
227	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
228	for (index = 0; index < NUM_STA; index++) {
229	phead = &(pstapriv->sta_hash[index]);
230	plist = get_next(phead);
231	while ((end_of_queue_search(phead, plist)) == false) {
232	psta = LIST_CONTAINOR(plist,
233	struct sta_info, hash_list);
234	plist = get_next(plist);
235	if (pbcmc_stainfo != psta)
236	r8712_free_stainfo(padapter , psta);
237	}
238	}
239	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
240	}
241
242	/* any station allocated can be searched by hash list */
243	struct sta_info r8712_get_stainfo(struct sta_priv pstapriv, u8 *hwaddr)
244	{
245	unsigned long irqL;
246	struct list_head plist, phead;
247	struct sta_info *psta = NULL;
248	u32 index;
249
250	if (hwaddr == NULL)
251	return NULL;
252	index = wifi_mac_hash(hwaddr);
253	spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
254	phead = &(pstapriv->sta_hash[index]);
255	plist = get_next(phead);
256	while ((end_of_queue_search(phead, plist)) == false) {
257	psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
258	if ((!memcmp(psta->hwaddr, hwaddr, ETH_ALEN))) {
259	/* if found the matched address */
260	break;
261	}
262	psta = NULL;
263	plist = get_next(plist);
264	}
265	spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
266	return psta;
267	}
268
269	void r8712_init_bcmc_stainfo(struct _adapter *padapter)
270	{
271	struct sta_info *psta;
272	struct tx_servq *ptxservq;
273	unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
274	struct sta_priv *pstapriv = &padapter->stapriv;
275
276	psta = r8712_alloc_stainfo(pstapriv, bcast_addr);
277	if (psta == NULL)
278	return;
279	ptxservq = &(psta->sta_xmitpriv.be_q);
280	}
281
282	struct sta_info r8712_get_bcmc_stainfo(struct _adapter padapter)
283	{
284	struct sta_info *psta;
285	struct sta_priv *pstapriv = &padapter->stapriv;
286	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
287
288	psta = r8712_get_stainfo(pstapriv, bc_addr);
289	return psta;
290	}
291
292
293	u8 r8712_access_ctrl(struct wlan_acl_pool pacl_list, u8 mac_addr)
294	{
295	return true;
296	}