[mirror_ubuntu-hirsute-kernel.git] / drivers / staging / rtl8192e / rtl819x_TSProc.c

/******************************************************************************
 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
 *
 * 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
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
******************************************************************************/
#include "rtllib.h"
#include <linux/etherdevice.h>
#include "rtl819x_TS.h"
extern void _setup_timer( struct timer_list*, void*, unsigned long);

void TsSetupTimeOut(unsigned long data)
{
}

void TsInactTimeout(unsigned long data)
{
}

void RxPktPendingTimeout(unsigned long data)
{
	PRX_TS_RECORD	pRxTs = (PRX_TS_RECORD)data;
	struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device, RxTsRecord[pRxTs->num]);

	PRX_REORDER_ENTRY	pReorderEntry = NULL;

	unsigned long flags = 0;
	struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
	u8 index = 0;
	bool bPktInBuf = false;

	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	if (pRxTs->RxTimeoutIndicateSeq != 0xffff)
	{
		while(!list_empty(&pRxTs->RxPendingPktList))
		{
			pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
			if (index == 0)
				pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;

			if ( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) ||
				SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq)	)
			{
				list_del_init(&pReorderEntry->List);

				if (SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
					pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;

				RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Indicate SeqNum: %d\n",__func__, pReorderEntry->SeqNum);
				stats_IndicateArray[index] = pReorderEntry->prxb;
				index++;

				list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
			}
			else
			{
				bPktInBuf = true;
				break;
			}
		}
	}

	if (index>0){
		pRxTs->RxTimeoutIndicateSeq = 0xffff;

		if (index > REORDER_WIN_SIZE){
			RTLLIB_DEBUG(RTLLIB_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
			spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
			return;
		}
		rtllib_indicate_packets(ieee, stats_IndicateArray, index);
		bPktInBuf = false;
	}

	if (bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff)){
		pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
		mod_timer(&pRxTs->RxPktPendingTimer,  jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
	}
	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
}

void TsAddBaProcess(unsigned long data)
{
	PTX_TS_RECORD	pTxTs = (PTX_TS_RECORD)data;
	u8 num = pTxTs->num;
	struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device, TxTsRecord[num]);

	TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
	RTLLIB_DEBUG(RTLLIB_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
}


void ResetTsCommonInfo(PTS_COMMON_INFO	pTsCommonInfo)
{
	memset(pTsCommonInfo->Addr, 0, 6);
	memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
	memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
	pTsCommonInfo->TClasProc = 0;
	pTsCommonInfo->TClasNum = 0;
}

void ResetTxTsEntry(PTX_TS_RECORD pTS)
{
	ResetTsCommonInfo(&pTS->TsCommonInfo);
	pTS->TxCurSeq = 0;
	pTS->bAddBaReqInProgress = false;
	pTS->bAddBaReqDelayed = false;
	pTS->bUsingBa = false;
	pTS->bDisable_AddBa = false;
	ResetBaEntry(&pTS->TxAdmittedBARecord);
	ResetBaEntry(&pTS->TxPendingBARecord);
}

void ResetRxTsEntry(PRX_TS_RECORD pTS)
{
	ResetTsCommonInfo(&pTS->TsCommonInfo);
	pTS->RxIndicateSeq = 0xffff;
	pTS->RxTimeoutIndicateSeq = 0xffff;
	ResetBaEntry(&pTS->RxAdmittedBARecord);
}
#ifdef _RTL8192_EXT_PATCH_
void ResetAdmitTRStream(struct rtllib_device *ieee, u8 *Addr)
{
	u8	dir;
	bool				search_dir[4] = {0, 0, 0, 0};
	struct list_head*		psearch_list;
	PTS_COMMON_INFO	pRet = NULL;
	PRX_TS_RECORD pRxTS = NULL;
	PTX_TS_RECORD pTxTS = NULL;

	if (ieee->iw_mode != IW_MODE_MESH)
		return;

	search_dir[DIR_DOWN]	= true;
	psearch_list = &ieee->Rx_TS_Admit_List;
	for (dir = 0; dir <= DIR_BI_DIR; dir++)
	{
		if (search_dir[dir] ==false )
			continue;
		list_for_each_entry(pRet, psearch_list, List){
			if ((memcmp(pRet->Addr, Addr, 6) == 0) && (pRet->TSpec.f.TSInfo.field.ucDirection == dir))
			{
				pRxTS = (PRX_TS_RECORD)pRet;
				pRxTS->RxIndicateSeq = 0xffff;
				pRxTS->RxTimeoutIndicateSeq = 0xffff;
			}

		}
	}
	search_dir[DIR_UP]	= true;
	psearch_list = &ieee->Tx_TS_Admit_List;
	for (dir = 0; dir <= DIR_BI_DIR; dir++)
	{
		if (search_dir[dir] ==false )
			continue;
		list_for_each_entry(pRet, psearch_list, List){
			if ((memcmp(pRet->Addr, Addr, 6) == 0) && (pRet->TSpec.f.TSInfo.field.ucDirection == dir))
			{
				pTxTS = (PTX_TS_RECORD)pRet;
				pTxTS->TxCurSeq = 0xffff;
			}

		}
	}

	return;
}
#endif

void TSInitialize(struct rtllib_device *ieee)
{
	PTX_TS_RECORD		pTxTS  = ieee->TxTsRecord;
	PRX_TS_RECORD		pRxTS  = ieee->RxTsRecord;
	PRX_REORDER_ENTRY	pRxReorderEntry = ieee->RxReorderEntry;
	u8				count = 0;
	RTLLIB_DEBUG(RTLLIB_DL_TS, "==========>%s()\n", __func__);
	INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
	INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
	INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);

	for (count = 0; count < TOTAL_TS_NUM; count++)
	{
		pTxTS->num = count;
		_setup_timer(&pTxTS->TsCommonInfo.SetupTimer,
			    TsSetupTimeOut,
			    (unsigned long) pTxTS);

		_setup_timer(&pTxTS->TsCommonInfo.InactTimer,
			    TsInactTimeout,
			    (unsigned long) pTxTS);

		_setup_timer(&pTxTS->TsAddBaTimer,
			    TsAddBaProcess,
			    (unsigned long) pTxTS);

		_setup_timer(&pTxTS->TxPendingBARecord.Timer,
			    BaSetupTimeOut,
			    (unsigned long) pTxTS);
		_setup_timer(&pTxTS->TxAdmittedBARecord.Timer,
			    TxBaInactTimeout,
			    (unsigned long) pTxTS);

		ResetTxTsEntry(pTxTS);
		list_add_tail(&pTxTS->TsCommonInfo.List,
				&ieee->Tx_TS_Unused_List);
		pTxTS++;
	}

	INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
	INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
	INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
	for (count = 0; count < TOTAL_TS_NUM; count++)
	{
		pRxTS->num = count;
		INIT_LIST_HEAD(&pRxTS->RxPendingPktList);

		_setup_timer(&pRxTS->TsCommonInfo.SetupTimer,
			    TsSetupTimeOut,
			    (unsigned long) pRxTS);

		_setup_timer(&pRxTS->TsCommonInfo.InactTimer,
			    TsInactTimeout,
			    (unsigned long) pRxTS);

		_setup_timer(&pRxTS->RxAdmittedBARecord.Timer,
			    RxBaInactTimeout,
			    (unsigned long) pRxTS);

		_setup_timer(&pRxTS->RxPktPendingTimer,
			    RxPktPendingTimeout,
			    (unsigned long) pRxTS);

		ResetRxTsEntry(pRxTS);
		list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
		pRxTS++;
	}
	INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
	for (count = 0; count < REORDER_ENTRY_NUM; count++)
	{
		list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
		if (count == (REORDER_ENTRY_NUM-1))
			break;
		pRxReorderEntry = &ieee->RxReorderEntry[count+1];
	}

}

void AdmitTS(struct rtllib_device *ieee, PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
{
	del_timer_sync(&pTsCommonInfo->SetupTimer);
	del_timer_sync(&pTsCommonInfo->InactTimer);

	if (InactTime!=0)
		mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
}


PTS_COMMON_INFO SearchAdmitTRStream(struct rtllib_device *ieee, u8*	Addr, u8 TID, TR_SELECT	TxRxSelect)
{
	u8	dir;
	bool				search_dir[4] = {0, 0, 0, 0};
	struct list_head*		psearch_list;
	PTS_COMMON_INFO	pRet = NULL;
	if (ieee->iw_mode == IW_MODE_MASTER)
	{
		if (TxRxSelect == TX_DIR)
		{
			search_dir[DIR_DOWN] = true;
			search_dir[DIR_BI_DIR]= true;
		}
		else
		{
			search_dir[DIR_UP]	= true;
			search_dir[DIR_BI_DIR]= true;
		}
	}
	else if (ieee->iw_mode == IW_MODE_ADHOC)
	{
		if (TxRxSelect == TX_DIR)
			search_dir[DIR_UP]	= true;
		else
			search_dir[DIR_DOWN] = true;
	}
	else
	{
		if (TxRxSelect == TX_DIR)
		{
			search_dir[DIR_UP]	= true;
			search_dir[DIR_BI_DIR]= true;
			search_dir[DIR_DIRECT]= true;
		}
		else
		{
			search_dir[DIR_DOWN] = true;
			search_dir[DIR_BI_DIR]= true;
			search_dir[DIR_DIRECT]= true;
		}
	}

	if (TxRxSelect == TX_DIR)
		psearch_list = &ieee->Tx_TS_Admit_List;
	else
		psearch_list = &ieee->Rx_TS_Admit_List;

	for (dir = 0; dir <= DIR_BI_DIR; dir++)
	{
		if (search_dir[dir] ==false )
			continue;
		list_for_each_entry(pRet, psearch_list, List){
			if (memcmp(pRet->Addr, Addr, 6) == 0)
				if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
					if (pRet->TSpec.f.TSInfo.field.ucDirection == dir)
					{
						break;
					}

		}
		if (&pRet->List  != psearch_list)
			break;
	}

	if (&pRet->List  != psearch_list){
		return pRet ;
	}
	else
		return NULL;
}

void MakeTSEntry(
		PTS_COMMON_INFO	pTsCommonInfo,
		u8*		Addr,
		PTSPEC_BODY	pTSPEC,
		PQOS_TCLAS	pTCLAS,
		u8		TCLAS_Num,
		u8		TCLAS_Proc
	)
{
	u8	count;

	if (pTsCommonInfo == NULL)
		return;

	memcpy(pTsCommonInfo->Addr, Addr, 6);

	if (pTSPEC != NULL)
		memcpy((u8*)(&(pTsCommonInfo->TSpec)), (u8*)pTSPEC, sizeof(TSPEC_BODY));

	for (count = 0; count < TCLAS_Num; count++)
		memcpy((u8*)(&(pTsCommonInfo->TClass[count])), (u8*)pTCLAS, sizeof(QOS_TCLAS));

	pTsCommonInfo->TClasProc = TCLAS_Proc;
	pTsCommonInfo->TClasNum = TCLAS_Num;
}

#ifdef _RTL8192_EXT_PATCH_
void dump_ts_list(struct list_head * ts_list)
{
	PTS_COMMON_INFO	pRet = NULL;
	u8 i=0;
	list_for_each_entry(pRet, ts_list, List){
		printk("i=%d ADD:"MAC_FMT", TID:%d, dir:%d\n",i,MAC_ARG(pRet->Addr), pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
		i++;
	}

}
#endif

bool GetTs(
	struct rtllib_device*	ieee,
	PTS_COMMON_INFO			*ppTS,
	u8*				Addr,
	u8				TID,
	TR_SELECT			TxRxSelect,
	bool				bAddNewTs)
{
	u8	UP = 0;
	if (is_broadcast_ether_addr(Addr) || is_multicast_ether_addr(Addr))
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR! get TS for Broadcast or Multicast\n");
		return false;
	}
	if (ieee->current_network.qos_data.supported == 0) {
		UP = 0;
	} else {
		if (!IsACValid(TID)) {
			RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR! in %s(), TID(%d) is not valid\n", __func__, TID);
			return false;
		}

		switch (TID) {
		case 0:
		case 3:
			UP = 0;
			break;
		case 1:
		case 2:
			UP = 2;
			break;
		case 4:
		case 5:
			UP = 5;
			break;
		case 6:
		case 7:
			UP = 7;
			break;
		}
	}

	*ppTS = SearchAdmitTRStream(
			ieee,
			Addr,
			UP,
			TxRxSelect);
	if (*ppTS != NULL)
	{
		return true;
	}
	else
	{
		if (bAddNewTs == false)
		{
			RTLLIB_DEBUG(RTLLIB_DL_TS, "add new TS failed(tid:%d)\n", UP);
			return false;
		}
		else
		{
			TSPEC_BODY	TSpec;
			PQOS_TSINFO		pTSInfo = &TSpec.f.TSInfo;
			struct list_head*	pUnusedList =
								(TxRxSelect == TX_DIR)?
								(&ieee->Tx_TS_Unused_List):
								(&ieee->Rx_TS_Unused_List);

			struct list_head*	pAddmitList =
								(TxRxSelect == TX_DIR)?
								(&ieee->Tx_TS_Admit_List):
								(&ieee->Rx_TS_Admit_List);

			DIRECTION_VALUE		Dir =		(ieee->iw_mode == IW_MODE_MASTER)?
								((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
								((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
			RTLLIB_DEBUG(RTLLIB_DL_TS, "to add Ts\n");
			if (!list_empty(pUnusedList))
			{
				(*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
				list_del_init(&(*ppTS)->List);
				if (TxRxSelect==TX_DIR)
				{
					PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
					ResetTxTsEntry(tmp);
				}
				else{
					PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
					ResetRxTsEntry(tmp);
				}

				RTLLIB_DEBUG(RTLLIB_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:"MAC_FMT" ppTs=%p\n", UP, Dir, MAC_ARG(Addr), *ppTS);
				pTSInfo->field.ucTrafficType = 0;
				pTSInfo->field.ucTSID = UP;
				pTSInfo->field.ucDirection = Dir;
				pTSInfo->field.ucAccessPolicy = 1;
				pTSInfo->field.ucAggregation = 0;
				pTSInfo->field.ucPSB = 0;
				pTSInfo->field.ucUP = UP;
				pTSInfo->field.ucTSInfoAckPolicy = 0;
				pTSInfo->field.ucSchedule = 0;

				MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
				AdmitTS(ieee, *ppTS, 0);
				list_add_tail(&((*ppTS)->List), pAddmitList);

				return true;
			}
			else
			{
				RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR!!in function %s() There is not enough dir=%d(0=up down=1) TS record to be used!!", __func__,Dir);
				return false;
			}
		}
	}
}

void RemoveTsEntry(
	struct rtllib_device*	ieee,
	PTS_COMMON_INFO			pTs,
	TR_SELECT			TxRxSelect
	)
{
	del_timer_sync(&pTs->SetupTimer);
	del_timer_sync(&pTs->InactTimer);
	TsInitDelBA(ieee, pTs, TxRxSelect);

	if (TxRxSelect == RX_DIR)
	{
		PRX_REORDER_ENTRY	pRxReorderEntry;
		PRX_TS_RECORD		pRxTS = (PRX_TS_RECORD)pTs;

		if (timer_pending(&pRxTS->RxPktPendingTimer))
			del_timer_sync(&pRxTS->RxPktPendingTimer);

		while(!list_empty(&pRxTS->RxPendingPktList)){
			pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
			RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Delete SeqNum %d!\n",__func__, pRxReorderEntry->SeqNum);
			list_del_init(&pRxReorderEntry->List);
			{
				int i = 0;
				struct rtllib_rxb * prxb = pRxReorderEntry->prxb;
				if (unlikely(!prxb)){
					return;
				}
				for (i =0; i < prxb->nr_subframes; i++) {
					dev_kfree_skb(prxb->subframes[i]);
				}
				kfree(prxb);
				prxb = NULL;
			}
			list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
		}
	}
	else{
		PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
		del_timer_sync(&pTxTS->TsAddBaTimer);
	}
}

void RemovePeerTS(struct rtllib_device* ieee, u8* Addr)
{
	PTS_COMMON_INFO	pTS, pTmpTS;
	printk("===========>RemovePeerTS,"MAC_FMT"\n", MAC_ARG(Addr));
#if 1
	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	{
		if (memcmp(pTS->Addr, Addr, 6) == 0)
		{
			RemoveTsEntry(ieee, pTS, TX_DIR);
			list_del_init(&pTS->List);
			list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
		}
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	{
		if (memcmp(pTS->Addr, Addr, 6) == 0)
		{
			printk("====>remove Tx_TS_admin_list\n");
			RemoveTsEntry(ieee, pTS, TX_DIR);
			list_del_init(&pTS->List);
			list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
		}
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	{
		if (memcmp(pTS->Addr, Addr, 6) == 0)
		{
			RemoveTsEntry(ieee, pTS, RX_DIR);
			list_del_init(&pTS->List);
			list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
		}
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
	{
		if (memcmp(pTS->Addr, Addr, 6) == 0)
		{
			RemoveTsEntry(ieee, pTS, RX_DIR);
			list_del_init(&pTS->List);
			list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
		}
	}
#endif
}

void RemoveAllTS(struct rtllib_device* ieee)
{
	PTS_COMMON_INFO pTS, pTmpTS;
#if 1
	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	{
		RemoveTsEntry(ieee, pTS, TX_DIR);
		list_del_init(&pTS->List);
		list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	{
		RemoveTsEntry(ieee, pTS, TX_DIR);
		list_del_init(&pTS->List);
		list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	{
		RemoveTsEntry(ieee, pTS, RX_DIR);
		list_del_init(&pTS->List);
		list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	}

	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
	{
		RemoveTsEntry(ieee, pTS, RX_DIR);
		list_del_init(&pTS->List);
		list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	}
#endif
}

void TsStartAddBaProcess(struct rtllib_device* ieee, PTX_TS_RECORD	pTxTS)
{
	if (pTxTS->bAddBaReqInProgress == false)
	{
		pTxTS->bAddBaReqInProgress = true;
#if 1
		if (pTxTS->bAddBaReqDelayed)
		{
			RTLLIB_DEBUG(RTLLIB_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
			mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
		}
		else
		{
			RTLLIB_DEBUG(RTLLIB_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
			mod_timer(&pTxTS->TsAddBaTimer, jiffies+10);
		}
#endif
	}
	else
		RTLLIB_DEBUG(RTLLIB_DL_BA, "%s()==>BA timer is already added\n", __func__);
}
Commit	Line	Data
94a79942 LF	1	/******************************************************************************
	2	* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
	3	*
	4	* This program is distributed in the hope that it will be useful, but WITHOUT
	5	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	6	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	7	* more details.
	8	*
	9	* You should have received a copy of the GNU General Public License along with
	10	* this program; if not, write to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	12	*
	13	* The full GNU General Public License is included in this distribution in the
	14	* file called LICENSE.
	15	*
	16	* Contact Information:
	17	* wlanfae <wlanfae@realtek.com>
	18	******************************************************************************/
	19	#include "rtllib.h"
	20	#include <linux/etherdevice.h>
	21	#include "rtl819x_TS.h"
	22	extern void _setup_timer( struct timer_list, void, unsigned long);
cb762154	23
94a79942 LF	24	void TsSetupTimeOut(unsigned long data)
	25	{
	26	}
	27
	28	void TsInactTimeout(unsigned long data)
	29	{
	30	}
	31
	32	void RxPktPendingTimeout(unsigned long data)
	33	{
	34	PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
	35	struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device, RxTsRecord[pRxTs->num]);
	36
	37	PRX_REORDER_ENTRY pReorderEntry = NULL;
	38
	39	unsigned long flags = 0;
	40	struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
	41	u8 index = 0;
	42	bool bPktInBuf = false;
	43
	44	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	45	if (pRxTs->RxTimeoutIndicateSeq != 0xffff)
	46	{
	47	while(!list_empty(&pRxTs->RxPendingPktList))
	48	{
	49	pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
	50	if (index == 0)
	51	pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;
	52
	53	if ( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) \|\|
	54	SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) )
	55	{
	56	list_del_init(&pReorderEntry->List);
	57
	58	if (SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
	59	pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;
	60
	61	RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Indicate SeqNum: %d\n",__func__, pReorderEntry->SeqNum);
	62	stats_IndicateArray[index] = pReorderEntry->prxb;
	63	index++;
	64
	65	list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
	66	}
	67	else
	68	{
	69	bPktInBuf = true;
	70	break;
	71	}
	72	}
	73	}
	74
	75	if (index>0){
	76	pRxTs->RxTimeoutIndicateSeq = 0xffff;
	77
	78	if (index > REORDER_WIN_SIZE){
	79	RTLLIB_DEBUG(RTLLIB_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
	80	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	81	return;
	82	}
	83	rtllib_indicate_packets(ieee, stats_IndicateArray, index);
	84	bPktInBuf = false;
	85	}
	86
	87	if (bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff)){
88	pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
89	mod_timer(&pRxTs->RxPktPendingTimer, jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
90	}
91	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
92	}
93
94	void TsAddBaProcess(unsigned long data)
95	{
96	PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
97	u8 num = pTxTs->num;
98	struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device, TxTsRecord[num]);
99
100	TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
101	RTLLIB_DEBUG(RTLLIB_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
102	}
103
104
105	void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)
106	{
107	memset(pTsCommonInfo->Addr, 0, 6);
108	memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
109	memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
110	pTsCommonInfo->TClasProc = 0;
111	pTsCommonInfo->TClasNum = 0;
112	}
113
114	void ResetTxTsEntry(PTX_TS_RECORD pTS)
115	{
116	ResetTsCommonInfo(&pTS->TsCommonInfo);
117	pTS->TxCurSeq = 0;
118	pTS->bAddBaReqInProgress = false;
119	pTS->bAddBaReqDelayed = false;
120	pTS->bUsingBa = false;
121	pTS->bDisable_AddBa = false;
122	ResetBaEntry(&pTS->TxAdmittedBARecord);
123	ResetBaEntry(&pTS->TxPendingBARecord);
124	}
125
126	void ResetRxTsEntry(PRX_TS_RECORD pTS)
127	{
128	ResetTsCommonInfo(&pTS->TsCommonInfo);
129	pTS->RxIndicateSeq = 0xffff;
130	pTS->RxTimeoutIndicateSeq = 0xffff;
131	ResetBaEntry(&pTS->RxAdmittedBARecord);
132	}
133	#ifdef _RTL8192_EXT_PATCH_
134	void ResetAdmitTRStream(struct rtllib_device ieee, u8 Addr)
135	{
136	u8 dir;
137	bool search_dir[4] = {0, 0, 0, 0};
138	struct list_head* psearch_list;
139	PTS_COMMON_INFO pRet = NULL;
140	PRX_TS_RECORD pRxTS = NULL;
141	PTX_TS_RECORD pTxTS = NULL;
142
143	if (ieee->iw_mode != IW_MODE_MESH)
144	return;
145
146	search_dir[DIR_DOWN] = true;
147	psearch_list = &ieee->Rx_TS_Admit_List;
148	for (dir = 0; dir <= DIR_BI_DIR; dir++)
149	{
150	if (search_dir[dir] ==false )
151	continue;
152	list_for_each_entry(pRet, psearch_list, List){
153	if ((memcmp(pRet->Addr, Addr, 6) == 0) && (pRet->TSpec.f.TSInfo.field.ucDirection == dir))
154	{
155	pRxTS = (PRX_TS_RECORD)pRet;
156	pRxTS->RxIndicateSeq = 0xffff;
157	pRxTS->RxTimeoutIndicateSeq = 0xffff;
158	}
159
160	}
161	}
162	search_dir[DIR_UP] = true;
163	psearch_list = &ieee->Tx_TS_Admit_List;
164	for (dir = 0; dir <= DIR_BI_DIR; dir++)
165	{
166	if (search_dir[dir] ==false )
167	continue;
168	list_for_each_entry(pRet, psearch_list, List){
169	if ((memcmp(pRet->Addr, Addr, 6) == 0) && (pRet->TSpec.f.TSInfo.field.ucDirection == dir))
170	{
171	pTxTS = (PTX_TS_RECORD)pRet;
172	pTxTS->TxCurSeq = 0xffff;
173	}
174
175	}
176	}
177
178	return;
179	}
180	#endif
181
182	void TSInitialize(struct rtllib_device *ieee)
183	{
184	PTX_TS_RECORD pTxTS = ieee->TxTsRecord;
185	PRX_TS_RECORD pRxTS = ieee->RxTsRecord;
186	PRX_REORDER_ENTRY pRxReorderEntry = ieee->RxReorderEntry;
187	u8 count = 0;
188	RTLLIB_DEBUG(RTLLIB_DL_TS, "==========>%s()\n", __func__);
189	INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
190	INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
191	INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
192
193	for (count = 0; count < TOTAL_TS_NUM; count++)
194	{
195	pTxTS->num = count;
196	_setup_timer(&pTxTS->TsCommonInfo.SetupTimer,
197	TsSetupTimeOut,
198	(unsigned long) pTxTS);
199
200	_setup_timer(&pTxTS->TsCommonInfo.InactTimer,
201	TsInactTimeout,
202	(unsigned long) pTxTS);
203
204	_setup_timer(&pTxTS->TsAddBaTimer,
205	TsAddBaProcess,
206	(unsigned long) pTxTS);
207
208	_setup_timer(&pTxTS->TxPendingBARecord.Timer,
209	BaSetupTimeOut,
210	(unsigned long) pTxTS);
211	_setup_timer(&pTxTS->TxAdmittedBARecord.Timer,
212	TxBaInactTimeout,
213	(unsigned long) pTxTS);
214
215	ResetTxTsEntry(pTxTS);
216	list_add_tail(&pTxTS->TsCommonInfo.List,
217	&ieee->Tx_TS_Unused_List);
218	pTxTS++;
219	}
220
221	INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
222	INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
223	INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
224	for (count = 0; count < TOTAL_TS_NUM; count++)
225	{
226	pRxTS->num = count;
227	INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
228
229	_setup_timer(&pRxTS->TsCommonInfo.SetupTimer,
230	TsSetupTimeOut,
231	(unsigned long) pRxTS);
232
233	_setup_timer(&pRxTS->TsCommonInfo.InactTimer,
234	TsInactTimeout,
235	(unsigned long) pRxTS);
236
237	_setup_timer(&pRxTS->RxAdmittedBARecord.Timer,
238	RxBaInactTimeout,
239	(unsigned long) pRxTS);
240
241	_setup_timer(&pRxTS->RxPktPendingTimer,
242	RxPktPendingTimeout,
243	(unsigned long) pRxTS);
244
245	ResetRxTsEntry(pRxTS);
246	list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
247	pRxTS++;
248	}
249	INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
250	for (count = 0; count < REORDER_ENTRY_NUM; count++)
251	{
252	list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
253	if (count == (REORDER_ENTRY_NUM-1))
254	break;
255	pRxReorderEntry = &ieee->RxReorderEntry[count+1];
256	}
257
258	}
259
260	void AdmitTS(struct rtllib_device *ieee, PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
261	{
262	del_timer_sync(&pTsCommonInfo->SetupTimer);
263	del_timer_sync(&pTsCommonInfo->InactTimer);
264
265	if (InactTime!=0)
266	mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
267	}
268
269
270	PTS_COMMON_INFO SearchAdmitTRStream(struct rtllib_device ieee, u8 Addr, u8 TID, TR_SELECT TxRxSelect)
271	{
272	u8 dir;
273	bool search_dir[4] = {0, 0, 0, 0};
274	struct list_head* psearch_list;
275	PTS_COMMON_INFO pRet = NULL;
276	if (ieee->iw_mode == IW_MODE_MASTER)
277	{
278	if (TxRxSelect == TX_DIR)
279	{
280	search_dir[DIR_DOWN] = true;
281	search_dir[DIR_BI_DIR]= true;
282	}
283	else
284	{
285	search_dir[DIR_UP] = true;
286	search_dir[DIR_BI_DIR]= true;
287	}
288	}
289	else if (ieee->iw_mode == IW_MODE_ADHOC)
290	{
291	if (TxRxSelect == TX_DIR)
292	search_dir[DIR_UP] = true;
293	else
294	search_dir[DIR_DOWN] = true;
295	}
296	else
297	{
298	if (TxRxSelect == TX_DIR)
299	{
300	search_dir[DIR_UP] = true;
301	search_dir[DIR_BI_DIR]= true;
302	search_dir[DIR_DIRECT]= true;
303	}
304	else
305	{
306	search_dir[DIR_DOWN] = true;
307	search_dir[DIR_BI_DIR]= true;
308	search_dir[DIR_DIRECT]= true;
309	}
310	}
311
312	if (TxRxSelect == TX_DIR)
313	psearch_list = &ieee->Tx_TS_Admit_List;
314	else
315	psearch_list = &ieee->Rx_TS_Admit_List;
316
317	for (dir = 0; dir <= DIR_BI_DIR; dir++)
318	{
319	if (search_dir[dir] ==false )
320	continue;
321	list_for_each_entry(pRet, psearch_list, List){
322	if (memcmp(pRet->Addr, Addr, 6) == 0)
323	if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
324	if (pRet->TSpec.f.TSInfo.field.ucDirection == dir)
325	{
326	break;
327	}
328
329	}
330	if (&pRet->List != psearch_list)
331	break;
332	}
333
334	if (&pRet->List != psearch_list){
335	return pRet ;
336	}
337	else
338	return NULL;
339	}
340
341	void MakeTSEntry(
342	PTS_COMMON_INFO pTsCommonInfo,
343	u8* Addr,
344	PTSPEC_BODY pTSPEC,
345	PQOS_TCLAS pTCLAS,
346	u8 TCLAS_Num,
347	u8 TCLAS_Proc
348	)
349	{
350	u8 count;
351
352	if (pTsCommonInfo == NULL)
353	return;
354
355	memcpy(pTsCommonInfo->Addr, Addr, 6);
356
357	if (pTSPEC != NULL)
358	memcpy((u8)(&(pTsCommonInfo->TSpec)), (u8)pTSPEC, sizeof(TSPEC_BODY));
359
360	for (count = 0; count < TCLAS_Num; count++)
361	memcpy((u8)(&(pTsCommonInfo->TClass[count])), (u8)pTCLAS, sizeof(QOS_TCLAS));
362
363	pTsCommonInfo->TClasProc = TCLAS_Proc;
364	pTsCommonInfo->TClasNum = TCLAS_Num;
365	}
366
367	#ifdef _RTL8192_EXT_PATCH_
368	void dump_ts_list(struct list_head * ts_list)
369	{
370	PTS_COMMON_INFO pRet = NULL;
371	u8 i=0;
372	list_for_each_entry(pRet, ts_list, List){
373	printk("i=%d ADD:"MAC_FMT", TID:%d, dir:%d\n",i,MAC_ARG(pRet->Addr), pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
374	i++;
375	}
376
377	}
378	#endif
379
380	bool GetTs(
381	struct rtllib_device* ieee,
382	PTS_COMMON_INFO *ppTS,
383	u8* Addr,
384	u8 TID,
385	TR_SELECT TxRxSelect,
386	bool bAddNewTs)
387	{
388	u8 UP = 0;
389	if (is_broadcast_ether_addr(Addr) \|\| is_multicast_ether_addr(Addr))
390	{
391	RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR! get TS for Broadcast or Multicast\n");
392	return false;
393	}
394	if (ieee->current_network.qos_data.supported == 0) {
395	UP = 0;
396	} else {
397	if (!IsACValid(TID)) {
398	RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR! in %s(), TID(%d) is not valid\n", __func__, TID);
399	return false;
400	}
401
402	switch (TID) {
403	case 0:
404	case 3:
405	UP = 0;
406	break;
407	case 1:
408	case 2:
409	UP = 2;
410	break;
411	case 4:
412	case 5:
413	UP = 5;
414	break;
415	case 6:
416	case 7:
417	UP = 7;
418	break;
419	}
420	}
421
422	*ppTS = SearchAdmitTRStream(
423	ieee,
424	Addr,
425	UP,
426	TxRxSelect);
427	if (*ppTS != NULL)
428	{
429	return true;
430	}
431	else
432	{
433	if (bAddNewTs == false)
434	{
435	RTLLIB_DEBUG(RTLLIB_DL_TS, "add new TS failed(tid:%d)\n", UP);
436	return false;
437	}
438	else
439	{
440	TSPEC_BODY TSpec;
441	PQOS_TSINFO pTSInfo = &TSpec.f.TSInfo;
442	struct list_head* pUnusedList =
443	(TxRxSelect == TX_DIR)?
444	(&ieee->Tx_TS_Unused_List):
445	(&ieee->Rx_TS_Unused_List);
446
447	struct list_head* pAddmitList =
448	(TxRxSelect == TX_DIR)?
449	(&ieee->Tx_TS_Admit_List):
450	(&ieee->Rx_TS_Admit_List);
451
452	DIRECTION_VALUE Dir = (ieee->iw_mode == IW_MODE_MASTER)?
453	((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
454	((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
455	RTLLIB_DEBUG(RTLLIB_DL_TS, "to add Ts\n");
456	if (!list_empty(pUnusedList))
457	{
458	(*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
459	list_del_init(&(*ppTS)->List);
460	if (TxRxSelect==TX_DIR)
461	{
462	PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
463	ResetTxTsEntry(tmp);
464	}
465	else{
466	PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
467	ResetRxTsEntry(tmp);
468	}
469
470	RTLLIB_DEBUG(RTLLIB_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:"MAC_FMT" ppTs=%p\n", UP, Dir, MAC_ARG(Addr), *ppTS);
471	pTSInfo->field.ucTrafficType = 0;
472	pTSInfo->field.ucTSID = UP;
473	pTSInfo->field.ucDirection = Dir;
474	pTSInfo->field.ucAccessPolicy = 1;
475	pTSInfo->field.ucAggregation = 0;
476	pTSInfo->field.ucPSB = 0;
477	pTSInfo->field.ucUP = UP;
478	pTSInfo->field.ucTSInfoAckPolicy = 0;
479	pTSInfo->field.ucSchedule = 0;
480
481	MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
482	AdmitTS(ieee, *ppTS, 0);
483	list_add_tail(&((*ppTS)->List), pAddmitList);
484
485	return true;
486	}
487	else
488	{
489	RTLLIB_DEBUG(RTLLIB_DL_ERR, "ERR!!in function %s() There is not enough dir=%d(0=up down=1) TS record to be used!!", __func__,Dir);
490	return false;
491	}
492	}
493	}
494	}
495
496	void RemoveTsEntry(
497	struct rtllib_device* ieee,
498	PTS_COMMON_INFO pTs,
499	TR_SELECT TxRxSelect
500	)
501	{
502	del_timer_sync(&pTs->SetupTimer);
503	del_timer_sync(&pTs->InactTimer);
504	TsInitDelBA(ieee, pTs, TxRxSelect);
505
506	if (TxRxSelect == RX_DIR)
507	{
508	PRX_REORDER_ENTRY pRxReorderEntry;
509	PRX_TS_RECORD pRxTS = (PRX_TS_RECORD)pTs;
510
511	if (timer_pending(&pRxTS->RxPktPendingTimer))
512	del_timer_sync(&pRxTS->RxPktPendingTimer);
513
514	while(!list_empty(&pRxTS->RxPendingPktList)){
515	pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
516	RTLLIB_DEBUG(RTLLIB_DL_REORDER,"%s(): Delete SeqNum %d!\n",__func__, pRxReorderEntry->SeqNum);
517	list_del_init(&pRxReorderEntry->List);
518	{
519	int i = 0;
520	struct rtllib_rxb * prxb = pRxReorderEntry->prxb;
521	if (unlikely(!prxb)){
522	return;
523	}
524	for (i =0; i < prxb->nr_subframes; i++) {
525	dev_kfree_skb(prxb->subframes[i]);
526	}
527	kfree(prxb);
528	prxb = NULL;
529	}
530	list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
531	}
532	}
533	else{
534	PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
535	del_timer_sync(&pTxTS->TsAddBaTimer);
536	}
537	}
538
539	void RemovePeerTS(struct rtllib_device* ieee, u8* Addr)
540	{
541	PTS_COMMON_INFO pTS, pTmpTS;
542	printk("===========>RemovePeerTS,"MAC_FMT"\n", MAC_ARG(Addr));
543	#if 1
544	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
545	{
546	if (memcmp(pTS->Addr, Addr, 6) == 0)
547	{
548	RemoveTsEntry(ieee, pTS, TX_DIR);
549	list_del_init(&pTS->List);
550	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
551	}
552	}
553
554	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
555	{
556	if (memcmp(pTS->Addr, Addr, 6) == 0)
557	{
558	printk("====>remove Tx_TS_admin_list\n");
559	RemoveTsEntry(ieee, pTS, TX_DIR);
560	list_del_init(&pTS->List);
561	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
562	}
563	}
564
565	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
566	{
567	if (memcmp(pTS->Addr, Addr, 6) == 0)
568	{
569	RemoveTsEntry(ieee, pTS, RX_DIR);
570	list_del_init(&pTS->List);
571	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
572	}
573	}
574
575	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
576	{
577	if (memcmp(pTS->Addr, Addr, 6) == 0)
578	{
579	RemoveTsEntry(ieee, pTS, RX_DIR);
580	list_del_init(&pTS->List);
581	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
582	}
583	}
584	#endif
585	}
586
587	void RemoveAllTS(struct rtllib_device* ieee)
588	{
589	PTS_COMMON_INFO pTS, pTmpTS;
590	#if 1
591	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
592	{
593	RemoveTsEntry(ieee, pTS, TX_DIR);
594	list_del_init(&pTS->List);
595	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
596	}
597
598	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
599	{
600	RemoveTsEntry(ieee, pTS, TX_DIR);
601	list_del_init(&pTS->List);
602	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
603	}
604
605	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
606	{
607	RemoveTsEntry(ieee, pTS, RX_DIR);
608	list_del_init(&pTS->List);
609	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
610	}
611
612	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
613	{
614	RemoveTsEntry(ieee, pTS, RX_DIR);
615	list_del_init(&pTS->List);
616	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
617	}
618	#endif
619	}
620
621	void TsStartAddBaProcess(struct rtllib_device* ieee, PTX_TS_RECORD pTxTS)
622	{
623	if (pTxTS->bAddBaReqInProgress == false)
624	{
625	pTxTS->bAddBaReqInProgress = true;
626	#if 1
627	if (pTxTS->bAddBaReqDelayed)
628	{
629	RTLLIB_DEBUG(RTLLIB_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
630	mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
631	}
632	else
633	{
634	RTLLIB_DEBUG(RTLLIB_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
635	mod_timer(&pTxTS->TsAddBaTimer, jiffies+10);
636	}
637	#endif
638	}
639	else
640	RTLLIB_DEBUG(RTLLIB_DL_BA, "%s()==>BA timer is already added\n", __func__);
641	}