[mirror_ubuntu-bionic-kernel.git] / drivers / staging / rtl8192u / ieee80211 / rtl819x_TSProc.c

#include "ieee80211.h"
#include <linux/etherdevice.h>
#include <linux/slab.h>
#include "rtl819x_TS.h"

void TsSetupTimeOut(unsigned long data)
{
	// Not implement yet
	// This is used for WMMSA and ACM , that would send ADDTSReq frame.
}

void TsInactTimeout(unsigned long data)
{
	// Not implement yet
	// This is used for WMMSA and ACM.
	// This function would be call when TS is no Tx/Rx for some period of time.
}

/********************************************************************************************************************
 *function:  I still not understand this function, so wait for further implementation
 *   input:  unsigned long	 data		//acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
 *  return:  NULL
 *  notice:
********************************************************************************************************************/
void RxPktPendingTimeout(unsigned long data)
{
	PRX_TS_RECORD	pRxTs = (PRX_TS_RECORD)data;
	struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);

	PRX_REORDER_ENTRY 	pReorderEntry = NULL;

	//u32 flags = 0;
	unsigned long flags = 0;
	struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
	u8 index = 0;
	bool bPktInBuf = false;


	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	//PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
	IEEE80211_DEBUG(IEEE80211_DL_REORDER,"==================>%s()\n",__FUNCTION__);
	if(pRxTs->RxTimeoutIndicateSeq != 0xffff)
	{
		// Indicate the pending packets sequentially according to SeqNum until meet the gap.
		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;

				IEEE80211_DEBUG(IEEE80211_DL_REORDER,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry->SeqNum);
				stats_IndicateArray[index] = pReorderEntry->prxb;
				index++;

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

	if(index>0)
	{
		// Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
		pRxTs->RxTimeoutIndicateSeq = 0xffff;

		// Indicate packets
		if(index > REORDER_WIN_SIZE){
			IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
			spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
			return;
		}
		ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
	}

	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);
	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
}

/********************************************************************************************************************
 *function:  Add BA timer function
 *   input:  unsigned long	 data		//acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
 *  return:  NULL
 *  notice:
********************************************************************************************************************/
void TsAddBaProcess(unsigned long data)
{
	PTX_TS_RECORD	pTxTs = (PTX_TS_RECORD)data;
	u8 num = pTxTs->num;
	struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);

	TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
	IEEE80211_DEBUG(IEEE80211_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;
	ResetBaEntry(&pTS->TxAdmittedBARecord); //For BA Originator
	ResetBaEntry(&pTS->TxPendingBARecord);
}

void ResetRxTsEntry(PRX_TS_RECORD pTS)
{
	ResetTsCommonInfo(&pTS->TsCommonInfo);
	pTS->RxIndicateSeq = 0xffff; // This indicate the RxIndicateSeq is not used now!!
	pTS->RxTimeoutIndicateSeq = 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
	ResetBaEntry(&pTS->RxAdmittedBARecord);	  // For BA Recipient
}

void TSInitialize(struct ieee80211_device *ieee)
{
	PTX_TS_RECORD		pTxTS  = ieee->TxTsRecord;
	PRX_TS_RECORD		pRxTS  = ieee->RxTsRecord;
	PRX_REORDER_ENTRY	pRxReorderEntry = ieee->RxReorderEntry;
	u8				count = 0;
	IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __FUNCTION__);
	// Initialize Tx TS related info.
	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;
		// The timers for the operation of Traffic Stream and Block Ack.
		// DLS related timer will be add here in the future!!
		init_timer(&pTxTS->TsCommonInfo.SetupTimer);
		pTxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pTxTS;
		pTxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;

		init_timer(&pTxTS->TsCommonInfo.InactTimer);
		pTxTS->TsCommonInfo.InactTimer.data = (unsigned long)pTxTS;
		pTxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;

		init_timer(&pTxTS->TsAddBaTimer);
		pTxTS->TsAddBaTimer.data = (unsigned long)pTxTS;
		pTxTS->TsAddBaTimer.function = TsAddBaProcess;

		init_timer(&pTxTS->TxPendingBARecord.Timer);
		pTxTS->TxPendingBARecord.Timer.data = (unsigned long)pTxTS;
		pTxTS->TxPendingBARecord.Timer.function = BaSetupTimeOut;

		init_timer(&pTxTS->TxAdmittedBARecord.Timer);
		pTxTS->TxAdmittedBARecord.Timer.data = (unsigned long)pTxTS;
		pTxTS->TxAdmittedBARecord.Timer.function = TxBaInactTimeout;

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

	// Initialize Rx TS related info.
	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);

		init_timer(&pRxTS->TsCommonInfo.SetupTimer);
		pRxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pRxTS;
		pRxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;

		init_timer(&pRxTS->TsCommonInfo.InactTimer);
		pRxTS->TsCommonInfo.InactTimer.data = (unsigned long)pRxTS;
		pRxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;

		init_timer(&pRxTS->RxAdmittedBARecord.Timer);
		pRxTS->RxAdmittedBARecord.Timer.data = (unsigned long)pRxTS;
		pRxTS->RxAdmittedBARecord.Timer.function = RxBaInactTimeout;

		init_timer(&pRxTS->RxPktPendingTimer);
		pRxTS->RxPktPendingTimer.data = (unsigned long)pRxTS;
		pRxTS->RxPktPendingTimer.function = RxPktPendingTimeout;

		ResetRxTsEntry(pRxTS);
		list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
		pRxTS++;
	}
	// Initialize unused Rx Reorder List.
	INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
//#ifdef TO_DO_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];
	}
//#endif

}

void AdmitTS(struct ieee80211_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 ieee80211_device *ieee, u8*	Addr, u8 TID, TR_SELECT	TxRxSelect)
{
	//DIRECTION_VALUE 	dir;
	u8 	dir;
	bool				search_dir[4] = {0, 0, 0, 0};
	struct list_head*		psearch_list; //FIXME
	PTS_COMMON_INFO	pRet = NULL;
	if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
	{
		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 = DIR_UP; dir <= DIR_BI_DIR; dir++)
	for(dir = 0; dir <= DIR_BI_DIR; dir++)
	{
		if(search_dir[dir] ==false )
			continue;
		list_for_each_entry(pRet, psearch_list, List){
	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
			if (memcmp(pRet->Addr, Addr, 6) == 0)
				if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
					if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
					{
	//					printk("Bingo! got it\n");
						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;
}


bool GetTs(
	struct ieee80211_device*	ieee,
	PTS_COMMON_INFO			*ppTS,
	u8*				Addr,
	u8				TID,
	TR_SELECT			TxRxSelect,  //Rx:1, Tx:0
	bool				bAddNewTs
	)
{
	u8	UP = 0;
	//
	// We do not build any TS for Broadcast or Multicast stream.
	// So reject these kinds of search here.
	//
	if(is_broadcast_ether_addr(Addr) || is_multicast_ether_addr(Addr))
	{
		IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
		return false;
	}

	if (ieee->current_network.qos_data.supported == 0)
		UP = 0;
	else
	{
		// In WMM case: we use 4 TID only
		if (!IsACValid(TID))
		{
			IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __FUNCTION__, 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)
		{
			IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
			return false;
		}
		else
		{
			//
			// Create a new Traffic stream for current Tx/Rx
			// This is for EDCA and WMM to add a new TS.
			// For HCCA or WMMSA, TS cannot be addmit without negotiation.
			//
			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);
			IEEE80211_DEBUG(IEEE80211_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);
				}

				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
				// Prepare TS Info releated field
				pTSInfo->field.ucTrafficType = 0;			// Traffic type: WMM is reserved in this field
				pTSInfo->field.ucTSID = UP;			// TSID
				pTSInfo->field.ucDirection = Dir;			// Direction: if there is DirectLink, this need additional consideration.
				pTSInfo->field.ucAccessPolicy = 1;		// Access policy
				pTSInfo->field.ucAggregation = 0; 		// Aggregation
				pTSInfo->field.ucPSB = 0; 				// Aggregation
				pTSInfo->field.ucUP = UP;				// User priority
				pTSInfo->field.ucTSInfoAckPolicy = 0;		// Ack policy
				pTSInfo->field.ucSchedule = 0;			// Schedule

				MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
				AdmitTS(ieee, *ppTS, 0);
				list_add_tail(&((*ppTS)->List), pAddmitList);
				// if there is DirectLink, we need to do additional operation here!!

				return true;
			}
			else
			{
				IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __FUNCTION__);
				return false;
			}
		}
	}
}

void RemoveTsEntry(
	struct ieee80211_device*	ieee,
	PTS_COMMON_INFO			pTs,
	TR_SELECT			TxRxSelect
	)
{
	//u32 flags = 0;
	unsigned long flags = 0;
	del_timer_sync(&pTs->SetupTimer);
	del_timer_sync(&pTs->InactTimer);
	TsInitDelBA(ieee, pTs, TxRxSelect);

	if(TxRxSelect == RX_DIR)
	{
//#ifdef TO_DO_LIST
		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))
		{
		//      PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
			spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
			//pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
			pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
			list_del_init(&pRxReorderEntry->List);
			{
				int i = 0;
				struct ieee80211_rxb * prxb = pRxReorderEntry->prxb;
				if (unlikely(!prxb))
				{
					spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
					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);
			//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
			spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
		}

//#endif
	}
	else
	{
		PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
		del_timer_sync(&pTxTS->TsAddBaTimer);
	}
}

void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
{
	PTS_COMMON_INFO	pTS, pTmpTS;

	printk("===========>RemovePeerTS,%pM\n", Addr);
	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);
		}
	}
}

void RemoveAllTS(struct ieee80211_device* ieee)
{
	PTS_COMMON_INFO pTS, pTmpTS;

	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);
	}
}

void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
{
	if(pTxTS->bAddBaReqInProgress == false)
	{
		pTxTS->bAddBaReqInProgress = true;
		if(pTxTS->bAddBaReqDelayed)
		{
			IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
			mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
		}
		else
		{
			IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
			mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
		}
	}
	else
		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
}
Commit	Line	Data
8fc8598e JC	1	#include "ieee80211.h"
8fc8598e JC	2	#include <linux/etherdevice.h>
5a0e3ad6	3	#include <linux/slab.h>
8fc8598e JC	4	#include "rtl819x_TS.h"
8fc8598e JC	5
8fc8598e JC	6	void TsSetupTimeOut(unsigned long data)
	7	{
	8	// Not implement yet
	9	// This is used for WMMSA and ACM , that would send ADDTSReq frame.
	10	}
	11
	12	void TsInactTimeout(unsigned long data)
	13	{
	14	// Not implement yet
	15	// This is used for WMMSA and ACM.
	16	// This function would be call when TS is no Tx/Rx for some period of time.
	17	}
	18
	19	/********************************************************************************************************************
	20	*function: I still not understand this function, so wait for further implementation
	21	* input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
	22	* return: NULL
	23	* notice:
	24	********************************************************************************************************************/
8fc8598e JC	25	void RxPktPendingTimeout(unsigned long data)
	26	{
	27	PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
	28	struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
	29
	30	PRX_REORDER_ENTRY pReorderEntry = NULL;
	31
	32	//u32 flags = 0;
	33	unsigned long flags = 0;
	34	struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
	35	u8 index = 0;
	36	bool bPktInBuf = false;
	37
	38
	39	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	40	//PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
	41	IEEE80211_DEBUG(IEEE80211_DL_REORDER,"==================>%s()\n",__FUNCTION__);
	42	if(pRxTs->RxTimeoutIndicateSeq != 0xffff)
	43	{
	44	// Indicate the pending packets sequentially according to SeqNum until meet the gap.
	45	while(!list_empty(&pRxTs->RxPendingPktList))
	46	{
	47	pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
	48	if(index == 0)
	49	pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;
	50
	51	if( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) \|\|
	52	SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) )
	53	{
	54	list_del_init(&pReorderEntry->List);
	55
	56	if(SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
	57	pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;
	58
	59	IEEE80211_DEBUG(IEEE80211_DL_REORDER,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry->SeqNum);
	60	stats_IndicateArray[index] = pReorderEntry->prxb;
	61	index++;
	62
	63	list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
	64	}
	65	else
	66	{
	67	bPktInBuf = true;
	68	break;
	69	}
	70	}
	71	}
	72
	73	if(index>0)
	74	{
	75	// Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
	76	pRxTs->RxTimeoutIndicateSeq = 0xffff;
	77
	78	// Indicate packets
	79	if(index > REORDER_WIN_SIZE){
	80	IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
	81	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	82	return;
	83	}
	84	ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
	85	}
	86
	87	if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
	88	{
89	pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
a09fcbd7	90	mod_timer(&pRxTs->RxPktPendingTimer, jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
8fc8598e JC	91	}
	92	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	93	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
	94	}
8fc8598e JC	95
	96	/********************************************************************************************************************
	97	*function: Add BA timer function
	98	* input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
	99	* return: NULL
	100	* notice:
	101	********************************************************************************************************************/
	102	void TsAddBaProcess(unsigned long data)
	103	{
	104	PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
	105	u8 num = pTxTs->num;
	106	struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
	107
	108	TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
	109	IEEE80211_DEBUG(IEEE80211_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
	110	}
	111
	112
	113	void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)
	114	{
	115	memset(pTsCommonInfo->Addr, 0, 6);
	116	memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
	117	memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
	118	pTsCommonInfo->TClasProc = 0;
	119	pTsCommonInfo->TClasNum = 0;
	120	}
	121
	122	void ResetTxTsEntry(PTX_TS_RECORD pTS)
	123	{
	124	ResetTsCommonInfo(&pTS->TsCommonInfo);
	125	pTS->TxCurSeq = 0;
	126	pTS->bAddBaReqInProgress = false;
	127	pTS->bAddBaReqDelayed = false;
	128	pTS->bUsingBa = false;
	129	ResetBaEntry(&pTS->TxAdmittedBARecord); //For BA Originator
	130	ResetBaEntry(&pTS->TxPendingBARecord);
	131	}
	132
	133	void ResetRxTsEntry(PRX_TS_RECORD pTS)
	134	{
	135	ResetTsCommonInfo(&pTS->TsCommonInfo);
	136	pTS->RxIndicateSeq = 0xffff; // This indicate the RxIndicateSeq is not used now!!
	137	pTS->RxTimeoutIndicateSeq = 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
25985edc	138	ResetBaEntry(&pTS->RxAdmittedBARecord); // For BA Recipient
8fc8598e JC	139	}
	140
	141	void TSInitialize(struct ieee80211_device *ieee)
	142	{
	143	PTX_TS_RECORD pTxTS = ieee->TxTsRecord;
	144	PRX_TS_RECORD pRxTS = ieee->RxTsRecord;
	145	PRX_REORDER_ENTRY pRxReorderEntry = ieee->RxReorderEntry;
	146	u8 count = 0;
	147	IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __FUNCTION__);
	148	// Initialize Tx TS related info.
	149	INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
	150	INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
	151	INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
	152
	153	for(count = 0; count < TOTAL_TS_NUM; count++)
	154	{
	155	//
	156	pTxTS->num = count;
	157	// The timers for the operation of Traffic Stream and Block Ack.
	158	// DLS related timer will be add here in the future!!
	159	init_timer(&pTxTS->TsCommonInfo.SetupTimer);
	160	pTxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pTxTS;
	161	pTxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
	162
	163	init_timer(&pTxTS->TsCommonInfo.InactTimer);
	164	pTxTS->TsCommonInfo.InactTimer.data = (unsigned long)pTxTS;
	165	pTxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
	166
	167	init_timer(&pTxTS->TsAddBaTimer);
	168	pTxTS->TsAddBaTimer.data = (unsigned long)pTxTS;
	169	pTxTS->TsAddBaTimer.function = TsAddBaProcess;
	170
	171	init_timer(&pTxTS->TxPendingBARecord.Timer);
	172	pTxTS->TxPendingBARecord.Timer.data = (unsigned long)pTxTS;
	173	pTxTS->TxPendingBARecord.Timer.function = BaSetupTimeOut;
	174
	175	init_timer(&pTxTS->TxAdmittedBARecord.Timer);
	176	pTxTS->TxAdmittedBARecord.Timer.data = (unsigned long)pTxTS;
	177	pTxTS->TxAdmittedBARecord.Timer.function = TxBaInactTimeout;
	178
	179	ResetTxTsEntry(pTxTS);
	180	list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List);
	181	pTxTS++;
	182	}
	183
	184	// Initialize Rx TS related info.
	185	INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
	186	INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
	187	INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
	188	for(count = 0; count < TOTAL_TS_NUM; count++)
	189	{
	190	pRxTS->num = count;
	191	INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
	192
	193	init_timer(&pRxTS->TsCommonInfo.SetupTimer);
	194	pRxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pRxTS;
	195	pRxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
	196
	197	init_timer(&pRxTS->TsCommonInfo.InactTimer);
	198	pRxTS->TsCommonInfo.InactTimer.data = (unsigned long)pRxTS;
	199	pRxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
	200
	201	init_timer(&pRxTS->RxAdmittedBARecord.Timer);
	202	pRxTS->RxAdmittedBARecord.Timer.data = (unsigned long)pRxTS;
203	pRxTS->RxAdmittedBARecord.Timer.function = RxBaInactTimeout;
204
205	init_timer(&pRxTS->RxPktPendingTimer);
206	pRxTS->RxPktPendingTimer.data = (unsigned long)pRxTS;
207	pRxTS->RxPktPendingTimer.function = RxPktPendingTimeout;
208
209	ResetRxTsEntry(pRxTS);
210	list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
211	pRxTS++;
212	}
213	// Initialize unused Rx Reorder List.
214	INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
215	//#ifdef TO_DO_LIST
216	for(count = 0; count < REORDER_ENTRY_NUM; count++)
217	{
218	list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
219	if(count == (REORDER_ENTRY_NUM-1))
220	break;
221	pRxReorderEntry = &ieee->RxReorderEntry[count+1];
222	}
223	//#endif
224
225	}
226
227	void AdmitTS(struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
228	{
229	del_timer_sync(&pTsCommonInfo->SetupTimer);
230	del_timer_sync(&pTsCommonInfo->InactTimer);
231
232	if(InactTime!=0)
233	mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
234	}
235
236
237	PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device ieee, u8 Addr, u8 TID, TR_SELECT TxRxSelect)
238	{
239	//DIRECTION_VALUE dir;
240	u8 dir;
241	bool search_dir[4] = {0, 0, 0, 0};
242	struct list_head* psearch_list; //FIXME
243	PTS_COMMON_INFO pRet = NULL;
244	if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
245	{
246	if(TxRxSelect == TX_DIR)
247	{
248	search_dir[DIR_DOWN] = true;
249	search_dir[DIR_BI_DIR]= true;
250	}
251	else
252	{
253	search_dir[DIR_UP] = true;
254	search_dir[DIR_BI_DIR]= true;
255	}
256	}
257	else if(ieee->iw_mode == IW_MODE_ADHOC)
258	{
259	if(TxRxSelect == TX_DIR)
260	search_dir[DIR_UP] = true;
261	else
262	search_dir[DIR_DOWN] = true;
263	}
264	else
265	{
266	if(TxRxSelect == TX_DIR)
267	{
268	search_dir[DIR_UP] = true;
269	search_dir[DIR_BI_DIR]= true;
270	search_dir[DIR_DIRECT]= true;
271	}
272	else
273	{
274	search_dir[DIR_DOWN] = true;
275	search_dir[DIR_BI_DIR]= true;
276	search_dir[DIR_DIRECT]= true;
277	}
278	}
279
280	if(TxRxSelect == TX_DIR)
281	psearch_list = &ieee->Tx_TS_Admit_List;
282	else
283	psearch_list = &ieee->Rx_TS_Admit_List;
284
285	//for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
286	for(dir = 0; dir <= DIR_BI_DIR; dir++)
287	{
288	if(search_dir[dir] ==false )
289	continue;
290	list_for_each_entry(pRet, psearch_list, List){
0ee9f67c	291	// IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
8fc8598e JC	292	if (memcmp(pRet->Addr, Addr, 6) == 0)
	293	if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
	294	if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
	295	{
	296	// printk("Bingo! got it\n");
	297	break;
	298	}
	299
	300	}
	301	if(&pRet->List != psearch_list)
	302	break;
	303	}
	304
	305	if(&pRet->List != psearch_list){
	306	return pRet ;
	307	}
	308	else
	309	return NULL;
	310	}
	311
	312	void MakeTSEntry(
	313	PTS_COMMON_INFO pTsCommonInfo,
	314	u8* Addr,
	315	PTSPEC_BODY pTSPEC,
	316	PQOS_TCLAS pTCLAS,
	317	u8 TCLAS_Num,
	318	u8 TCLAS_Proc
	319	)
	320	{
	321	u8 count;
	322
	323	if(pTsCommonInfo == NULL)
	324	return;
	325
	326	memcpy(pTsCommonInfo->Addr, Addr, 6);
	327
	328	if(pTSPEC != NULL)
	329	memcpy((u8)(&(pTsCommonInfo->TSpec)), (u8)pTSPEC, sizeof(TSPEC_BODY));
	330
	331	for(count = 0; count < TCLAS_Num; count++)
	332	memcpy((u8)(&(pTsCommonInfo->TClass[count])), (u8)pTCLAS, sizeof(QOS_TCLAS));
	333
	334	pTsCommonInfo->TClasProc = TCLAS_Proc;
	335	pTsCommonInfo->TClasNum = TCLAS_Num;
	336	}
	337
	338
	339	bool GetTs(
	340	struct ieee80211_device* ieee,
	341	PTS_COMMON_INFO *ppTS,
	342	u8* Addr,
	343	u8 TID,
	344	TR_SELECT TxRxSelect, //Rx:1, Tx:0
	345	bool bAddNewTs
	346	)
	347	{
	348	u8 UP = 0;
	349	//
	350	// We do not build any TS for Broadcast or Multicast stream.
	351	// So reject these kinds of search here.
	352	//
	353	if(is_broadcast_ether_addr(Addr) \|\| is_multicast_ether_addr(Addr))
	354	{
	355	IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
356	return false;
357	}
a09fcbd7	358
8fc8598e JC	359	if (ieee->current_network.qos_data.supported == 0)
	360	UP = 0;
	361	else
	362	{
8fc8598e JC	363	// In WMM case: we use 4 TID only
	364	if (!IsACValid(TID))
	365	{
	366	IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __FUNCTION__, TID);
	367	return false;
	368	}
	369
	370	switch(TID)
	371	{
	372	case 0:
	373	case 3:
	374	UP = 0;
	375	break;
	376
	377	case 1:
	378	case 2:
	379	UP = 2;
	380	break;
	381
	382	case 4:
	383	case 5:
	384	UP = 5;
	385	break;
	386
	387	case 6:
	388	case 7:
	389	UP = 7;
	390	break;
	391	}
	392	}
	393
	394	*ppTS = SearchAdmitTRStream(
	395	ieee,
	396	Addr,
	397	UP,
	398	TxRxSelect);
	399	if(*ppTS != NULL)
	400	{
	401	return true;
	402	}
	403	else
	404	{
	405	if(bAddNewTs == false)
	406	{
	407	IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
	408	return false;
	409	}
	410	else
	411	{
	412	//
	413	// Create a new Traffic stream for current Tx/Rx
	414	// This is for EDCA and WMM to add a new TS.
	415	// For HCCA or WMMSA, TS cannot be addmit without negotiation.
	416	//
	417	TSPEC_BODY TSpec;
	418	PQOS_TSINFO pTSInfo = &TSpec.f.TSInfo;
	419	struct list_head* pUnusedList =
	420	(TxRxSelect == TX_DIR)?
	421	(&ieee->Tx_TS_Unused_List):
	422	(&ieee->Rx_TS_Unused_List);
	423
	424	struct list_head* pAddmitList =
	425	(TxRxSelect == TX_DIR)?
	426	(&ieee->Tx_TS_Admit_List):
427	(&ieee->Rx_TS_Admit_List);
428
429	DIRECTION_VALUE Dir = (ieee->iw_mode == IW_MODE_MASTER)?
430	((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
431	((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
432	IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
433	if(!list_empty(pUnusedList))
434	{
435	(*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
436	list_del_init(&(*ppTS)->List);
437	if(TxRxSelect==TX_DIR)
438	{
439	PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
440	ResetTxTsEntry(tmp);
441	}
442	else{
443	PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
444	ResetRxTsEntry(tmp);
445	}
446
0ee9f67c	447	IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
8fc8598e JC	448	// Prepare TS Info releated field
	449	pTSInfo->field.ucTrafficType = 0; // Traffic type: WMM is reserved in this field
	450	pTSInfo->field.ucTSID = UP; // TSID
	451	pTSInfo->field.ucDirection = Dir; // Direction: if there is DirectLink, this need additional consideration.
	452	pTSInfo->field.ucAccessPolicy = 1; // Access policy
	453	pTSInfo->field.ucAggregation = 0; // Aggregation
	454	pTSInfo->field.ucPSB = 0; // Aggregation
	455	pTSInfo->field.ucUP = UP; // User priority
	456	pTSInfo->field.ucTSInfoAckPolicy = 0; // Ack policy
	457	pTSInfo->field.ucSchedule = 0; // Schedule
	458
	459	MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
	460	AdmitTS(ieee, *ppTS, 0);
	461	list_add_tail(&((*ppTS)->List), pAddmitList);
	462	// if there is DirectLink, we need to do additional operation here!!
	463
	464	return true;
	465	}
	466	else
	467	{
	468	IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __FUNCTION__);
	469	return false;
	470	}
	471	}
	472	}
	473	}
	474
	475	void RemoveTsEntry(
	476	struct ieee80211_device* ieee,
	477	PTS_COMMON_INFO pTs,
	478	TR_SELECT TxRxSelect
	479	)
	480	{
	481	//u32 flags = 0;
	482	unsigned long flags = 0;
	483	del_timer_sync(&pTs->SetupTimer);
	484	del_timer_sync(&pTs->InactTimer);
	485	TsInitDelBA(ieee, pTs, TxRxSelect);
	486
	487	if(TxRxSelect == RX_DIR)
	488	{
	489	//#ifdef TO_DO_LIST
	490	PRX_REORDER_ENTRY pRxReorderEntry;
	491	PRX_TS_RECORD pRxTS = (PRX_TS_RECORD)pTs;
	492	if(timer_pending(&pRxTS->RxPktPendingTimer))
	493	del_timer_sync(&pRxTS->RxPktPendingTimer);
	494
e406322b MCC	495	while(!list_empty(&pRxTS->RxPendingPktList))
	496	{
	497	// PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
	498	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	499	//pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
8fc8598e	500	pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
e406322b MCC	501	list_del_init(&pRxReorderEntry->List);
	502	{
	503	int i = 0;
	504	struct ieee80211_rxb * prxb = pRxReorderEntry->prxb;
8fc8598e JC	505	if (unlikely(!prxb))
	506	{
	507	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	508	return;
	509	}
e406322b MCC	510	for(i =0; i < prxb->nr_subframes; i++) {
	511	dev_kfree_skb(prxb->subframes[i]);
	512	}
	513	kfree(prxb);
	514	prxb = NULL;
	515	}
	516	list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
	517	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
	518	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	519	}
8fc8598e JC	520
	521	//#endif
	522	}
	523	else
	524	{
	525	PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
	526	del_timer_sync(&pTxTS->TsAddBaTimer);
	527	}
	528	}
	529
	530	void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
	531	{
	532	PTS_COMMON_INFO pTS, pTmpTS;
a09fcbd7	533
0ee9f67c	534	printk("===========>RemovePeerTS,%pM\n", Addr);
8fc8598e JC	535	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	536	{
	537	if (memcmp(pTS->Addr, Addr, 6) == 0)
	538	{
	539	RemoveTsEntry(ieee, pTS, TX_DIR);
	540	list_del_init(&pTS->List);
	541	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	542	}
	543	}
	544
	545	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	546	{
	547	if (memcmp(pTS->Addr, Addr, 6) == 0)
	548	{
	549	printk("====>remove Tx_TS_admin_list\n");
	550	RemoveTsEntry(ieee, pTS, TX_DIR);
	551	list_del_init(&pTS->List);
	552	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	553	}
	554	}
	555
	556	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	557	{
	558	if (memcmp(pTS->Addr, Addr, 6) == 0)
	559	{
	560	RemoveTsEntry(ieee, pTS, RX_DIR);
	561	list_del_init(&pTS->List);
	562	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	563	}
	564	}
	565
	566	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
	567	{
	568	if (memcmp(pTS->Addr, Addr, 6) == 0)
	569	{
	570	RemoveTsEntry(ieee, pTS, RX_DIR);
	571	list_del_init(&pTS->List);
	572	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	573	}
	574	}
8fc8598e JC	575	}
	576
	577	void RemoveAllTS(struct ieee80211_device* ieee)
	578	{
	579	PTS_COMMON_INFO pTS, pTmpTS;
a09fcbd7	580
8fc8598e JC	581	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	582	{
	583	RemoveTsEntry(ieee, pTS, TX_DIR);
	584	list_del_init(&pTS->List);
	585	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	586	}
	587
	588	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	589	{
	590	RemoveTsEntry(ieee, pTS, TX_DIR);
	591	list_del_init(&pTS->List);
	592	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	593	}
	594
	595	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	596	{
	597	RemoveTsEntry(ieee, pTS, RX_DIR);
	598	list_del_init(&pTS->List);
	599	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	600	}
	601
	602	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
	603	{
	604	RemoveTsEntry(ieee, pTS, RX_DIR);
	605	list_del_init(&pTS->List);
	606	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	607	}
8fc8598e JC	608	}
	609
	610	void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD pTxTS)
	611	{
	612	if(pTxTS->bAddBaReqInProgress == false)
	613	{
	614	pTxTS->bAddBaReqInProgress = true;
8fc8598e JC	615	if(pTxTS->bAddBaReqDelayed)
	616	{
	617	IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
	618	mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
	619	}
	620	else
	621	{
	622	IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
	623	mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
	624	}
8fc8598e JC	625	}
	626	else
	627	IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
	628	}