12865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/****************************************************************************** 22865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * rtl871x_sta_mgt.c 32865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 42865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 52865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Linux device driver for RTL8192SU 62865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 72865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * This program is free software; you can redistribute it and/or modify it 82865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * under the terms of version 2 of the GNU General Public License as 92865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * published by the Free Software Foundation. 102865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 112865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * This program is distributed in the hope that it will be useful, but WITHOUT 122865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 132865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 142865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * more details. 152865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 162865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * You should have received a copy of the GNU General Public License along with 172865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * this program; if not, write to the Free Software Foundation, Inc., 182865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 192865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 202865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Modifications for inclusion into the Linux staging tree are 212865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Copyright(c) 2010 Larry Finger. All rights reserved. 222865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 232865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Contact information: 242865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * WLAN FAE <wlanfae@realtek.com> 252865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * Larry Finger <Larry.Finger@lwfinger.net> 262865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * 272865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger ******************************************************************************/ 282865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 292865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#define _RTL871X_STA_MGT_C_ 302865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 312865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#include "osdep_service.h" 322865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#include "drv_types.h" 332865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#include "recv_osdep.h" 342865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#include "xmit_osdep.h" 352865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger#include "sta_info.h" 362865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 372865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstatic void _init_stainfo(struct sta_info *psta) 382865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 392865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger memset((u8 *)psta, 0, sizeof(struct sta_info)); 402865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_init(&psta->lock); 41534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&psta->list); 42534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&psta->hash_list); 432865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv); 442865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _r8712_init_sta_recv_priv(&psta->sta_recvpriv); 45534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&psta->asoc_list); 46534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&psta->auth_list); 472865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 482865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 492865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingeru32 _r8712_init_sta_priv(struct sta_priv *pstapriv) 502865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 512865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta; 522865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger s32 i; 532865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 5491d435fe368ab30702d7bcd50f680e7185899295Vitaly Osipov pstapriv->pallocated_stainfo_buf = kmalloc(sizeof(struct sta_info) * 5591d435fe368ab30702d7bcd50f680e7185899295Vitaly Osipov NUM_STA + 4, GFP_ATOMIC); 562865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (pstapriv->pallocated_stainfo_buf == NULL) 572865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return _FAIL; 582865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 - 592865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger ((addr_t)(pstapriv->pallocated_stainfo_buf) & 3); 602865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_queue(&pstapriv->free_sta_queue); 612865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_init(&pstapriv->sta_hash_lock); 622865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pstapriv->asoc_sta_count = 0; 632865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_queue(&pstapriv->sleep_q); 642865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_queue(&pstapriv->wakeup_q); 652865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = (struct sta_info *)(pstapriv->pstainfo_buf); 662865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger for (i = 0; i < NUM_STA; i++) { 672865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_stainfo(psta); 68534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&(pstapriv->sta_hash[i])); 69e99a428a1daed550142a08f6acb5265a1d108e65James A Shackleford list_add_tail(&psta->list, &pstapriv->free_sta_queue.queue); 702865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta++; 712865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 72534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&pstapriv->asoc_list); 73534c4acd1d45942eaae0db5858c82a33fac47468James A Shackleford INIT_LIST_HEAD(&pstapriv->auth_list); 742865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return _SUCCESS; 752865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 762865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 772865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/* this function is used to free the memory of lock || sema for all stainfos */ 782865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstatic void mfree_all_stainfo(struct sta_priv *pstapriv) 792865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 802865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned long irqL; 812865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct list_head *plist, *phead; 822865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta = NULL; 832865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 842865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); 85e99a428a1daed550142a08f6acb5265a1d108e65James A Shackleford phead = &pstapriv->free_sta_queue.queue; 86849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = phead->next; 872865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger while ((end_of_queue_search(phead, plist)) == false) { 882865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = LIST_CONTAINOR(plist, struct sta_info, list); 89849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = plist->next; 902865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 912865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 922865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); 932865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 942865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 952865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 962865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstatic void mfree_sta_priv_lock(struct sta_priv *pstapriv) 972865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 982865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */ 992865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 1002865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1012865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingeru32 _r8712_free_sta_priv(struct sta_priv *pstapriv) 1022865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 1032865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (pstapriv) { 1042865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger mfree_sta_priv_lock(pstapriv); 1052865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger kfree(pstapriv->pallocated_stainfo_buf); 1062865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 1072865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return _SUCCESS; 1082865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 1092865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1102865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstruct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) 1112865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 1122865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger uint tmp_aid; 1132865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger s32 index; 1142865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct list_head *phash_list; 1152865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta; 1162865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct __queue *pfree_sta_queue; 1172865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct recv_reorder_ctrl *preorder_ctrl; 1182865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger int i = 0; 1192865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger u16 wRxSeqInitialValue = 0xffff; 1202865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned long flags; 1212865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1222865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pfree_sta_queue = &pstapriv->free_sta_queue; 1232865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&(pfree_sta_queue->lock), flags); 124df353f61afb917ff66b2e784b0ffb85d0ebb29a4James A Shackleford if (list_empty(&pfree_sta_queue->queue)) 1252865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = NULL; 1262865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger else { 127849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford psta = LIST_CONTAINOR(pfree_sta_queue->queue.next, 1282865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info, list); 12929197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&(psta->list)); 1302865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger tmp_aid = psta->aid; 1312865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_stainfo(psta); 1322865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger memcpy(psta->hwaddr, hwaddr, ETH_ALEN); 1332865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger index = wifi_mac_hash(hwaddr); 1342865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (index >= NUM_STA) { 1352865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = NULL; 1362865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger goto exit; 1372865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 1382865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger phash_list = &(pstapriv->sta_hash[index]); 139fdfbf7890dcac98d698ce889720e90c1f26cf30fJames A Shackleford list_add_tail(&psta->hash_list, phash_list); 14077e73e8c90aded3215ecb4d05b9c91ec94349b61Thomas Cort pstapriv->asoc_sta_count++; 1412865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1422865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/* For the SMC router, the sequence number of first packet of WPS handshake 1432865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * will be 0. In this case, this packet will be dropped by recv_decache function 1442865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * if we use the 0x00 as the default value for tid_rxseq variable. So, we 1452865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * initialize the tid_rxseq variable as the 0xffff. 1462865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger */ 1472865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger for (i = 0; i < 16; i++) 1482865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i], 1492865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger &wRxSeqInitialValue, 2); 1502865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger /* for A-MPDU Rx reordering buffer control */ 15177e73e8c90aded3215ecb4d05b9c91ec94349b61Thomas Cort for (i = 0; i < 16; i++) { 1522865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl = &psta->recvreorder_ctrl[i]; 1532865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl->padapter = pstapriv->padapter; 1542865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl->indicate_seq = 0xffff; 1552865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl->wend_b = 0xffff; 1562865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl->wsize_b = 64; 1572865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _init_queue(&preorder_ctrl->pending_recvframe_queue); 1582865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_init_recv_timer(preorder_ctrl); 1592865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 1602865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 1612865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerexit: 1622865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&(pfree_sta_queue->lock), flags); 1632865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return psta; 1642865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 1652865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1662865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/* using pstapriv->sta_hash_lock to protect */ 1672865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingervoid r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta) 1682865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 1692865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger int i; 1702865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned long irqL0; 1712865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct __queue *pfree_sta_queue; 1722865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct recv_reorder_ctrl *preorder_ctrl; 1732865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_xmit_priv *pstaxmitpriv; 1742865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 1752865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_priv *pstapriv = &padapter->stapriv; 1762865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 1772865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (psta == NULL) 1782865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return; 1792865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pfree_sta_queue = &pstapriv->free_sta_queue; 1802865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pstaxmitpriv = &psta->sta_xmitpriv; 1812865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&(pxmitpriv->vo_pending.lock), irqL0); 1822865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending); 18329197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&(pstaxmitpriv->vo_q.tx_pending)); 1842865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&(pxmitpriv->vo_pending.lock), irqL0); 1852865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&(pxmitpriv->vi_pending.lock), irqL0); 1862865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending); 18729197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&(pstaxmitpriv->vi_q.tx_pending)); 1882865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&(pxmitpriv->vi_pending.lock), irqL0); 1892865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&(pxmitpriv->bk_pending.lock), irqL0); 1902865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending); 19129197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&(pstaxmitpriv->bk_q.tx_pending)); 1922865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&(pxmitpriv->bk_pending.lock), irqL0); 1932865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&(pxmitpriv->be_pending.lock), irqL0); 1942865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending); 19529197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&(pstaxmitpriv->be_q.tx_pending)); 1962865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&(pxmitpriv->be_pending.lock), irqL0); 19729197b7c45a144883d87cb8eaf337026cd886a20James A Shackleford list_del_init(&psta->hash_list); 1982865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger pstapriv->asoc_sta_count--; 1992865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger /* re-init sta_info; 20061114 */ 2002865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv); 2012865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _r8712_init_sta_recv_priv(&psta->sta_recvpriv); 2022865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger /* for A-MPDU Rx reordering buffer control, 2032865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger * cancel reordering_ctrl_timer */ 2042865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger for (i = 0; i < 16; i++) { 2052865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger preorder_ctrl = &psta->recvreorder_ctrl[i]; 2062865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer); 2072865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 2082865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock(&(pfree_sta_queue->lock)); 2092865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger /* insert into free_sta_queue; 20061114 */ 210e99a428a1daed550142a08f6acb5265a1d108e65James A Shackleford list_add_tail(&psta->list, &pfree_sta_queue->queue); 2112865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock(&(pfree_sta_queue->lock)); 2122865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 2132865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2142865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/* free all stainfo which in sta_hash[all] */ 2152865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingervoid r8712_free_all_stainfo(struct _adapter *padapter) 2162865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 2172865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned long irqL; 2182865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct list_head *plist, *phead; 2192865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger s32 index; 2202865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta = NULL; 2212865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_priv *pstapriv = &padapter->stapriv; 2222865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *pbcmc_stainfo = r8712_get_bcmc_stainfo(padapter); 2232865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2242865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (pstapriv->asoc_sta_count == 1) 2252865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return; 2262865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); 2272865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger for (index = 0; index < NUM_STA; index++) { 2282865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger phead = &(pstapriv->sta_hash[index]); 229849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = phead->next; 2302865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger while ((end_of_queue_search(phead, plist)) == false) { 2312865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = LIST_CONTAINOR(plist, 2322865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info, hash_list); 233849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = plist->next; 2342865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (pbcmc_stainfo != psta) 2352865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger r8712_free_stainfo(padapter , psta); 2362865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 2372865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 2382865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); 2392865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 2402865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2412865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger/* any station allocated can be searched by hash list */ 2422865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstruct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) 2432865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 2442865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned long irqL; 2452865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct list_head *plist, *phead; 2462865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta = NULL; 2472865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger u32 index; 2482865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2492865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (hwaddr == NULL) 2502865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return NULL; 2512865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger index = wifi_mac_hash(hwaddr); 2522865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); 2532865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger phead = &(pstapriv->sta_hash[index]); 254849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = phead->next; 2552865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger while ((end_of_queue_search(phead, plist)) == false) { 2562865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = LIST_CONTAINOR(plist, struct sta_info, hash_list); 2572865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if ((!memcmp(psta->hwaddr, hwaddr, ETH_ALEN))) { 2582865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger /* if found the matched address */ 2592865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger break; 2602865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 2612865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = NULL; 262849fb0a8878336732165eb482d3f0e8a4f71dd03James A Shackleford plist = plist->next; 2632865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger } 2642865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); 2652865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return psta; 2662865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 2672865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2682865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingervoid r8712_init_bcmc_stainfo(struct _adapter *padapter) 2692865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 2702865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta; 2712865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct tx_servq *ptxservq; 2722865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 2732865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_priv *pstapriv = &padapter->stapriv; 2742865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2752865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = r8712_alloc_stainfo(pstapriv, bcast_addr); 2762865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger if (psta == NULL) 2772865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return; 2782865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger ptxservq = &(psta->sta_xmitpriv.be_q); 2792865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 2802865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2812865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingerstruct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter) 2822865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 2832865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_info *psta; 2842865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger struct sta_priv *pstapriv = &padapter->stapriv; 2852865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 2862865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2872865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger psta = r8712_get_stainfo(pstapriv, bc_addr); 2882865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return psta; 2892865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 2902865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2912865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger 2922865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Fingeru8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr) 2932865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger{ 2942865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger return true; 2952865d42c78a9121caad52cb02d1fbb7f5cdbc4efLarry Finger} 296