[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / rtl8192su / 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:
********************************************************************************************************************/
#if 1
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);
		 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);
	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
}
#endif

/********************************************************************************************************************
 *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 Recepient
}

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);
#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 ieee80211_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 ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
{
	if(pTxTS->bAddBaReqInProgress == false)
	{
		pTxTS->bAddBaReqInProgress = true;
#if 1
		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
		}
#endif
	}
	else
		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
}
Commit	Line	Data
5f53d8ca JC	1	#include "ieee80211.h"
5f53d8ca JC	2	#include <linux/etherdevice.h>
5a0e3ad6	3	#include <linux/slab.h>
5f53d8ca JC	4	#include "rtl819x_TS.h"
5f53d8ca JC	5
5f53d8ca 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	********************************************************************************************************************/
	25	#if 1
	26	void RxPktPendingTimeout(unsigned long data)
	27	{
	28	PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
	29	struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
	30
	31	PRX_REORDER_ENTRY pReorderEntry = NULL;
	32
	33	//u32 flags = 0;
	34	unsigned long flags = 0;
	35	struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
	36	u8 index = 0;
	37	bool bPktInBuf = false;
	38
	39
	40	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	41	//PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
	42	IEEE80211_DEBUG(IEEE80211_DL_REORDER,"==================>%s()\n",__FUNCTION__);
	43	if(pRxTs->RxTimeoutIndicateSeq != 0xffff)
	44	{
	45	// Indicate the pending packets sequentially according to SeqNum until meet the gap.
	46	while(!list_empty(&pRxTs->RxPendingPktList))
	47	{
	48	pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
	49	if(index == 0)
	50	pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;
	51
	52	if( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) \|\|
	53	SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) )
	54	{
	55	list_del_init(&pReorderEntry->List);
	56
	57	if(SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
	58	pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;
	59
	60	IEEE80211_DEBUG(IEEE80211_DL_REORDER,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry->SeqNum);
	61	stats_IndicateArray[index] = pReorderEntry->prxb;
	62	index++;
	63
	64	list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
	65	}
	66	else
	67	{
	68	bPktInBuf = true;
	69	break;
70	}
71	}
72	}
73
74	if(index>0)
75	{
76	// Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
77	pRxTs->RxTimeoutIndicateSeq = 0xffff;
78
79	// Indicate packets
80	if(index > REORDER_WIN_SIZE){
81	IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
82	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
83	return;
84	}
85	ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
86	bPktInBuf = false;
87
88	}
89
90	if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
91	{
92	pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
5f53d8ca	93	mod_timer(&pRxTs->RxPktPendingTimer, jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
5f53d8ca JC	94	}
	95	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	96	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
	97	}
	98	#endif
	99
	100	/********************************************************************************************************************
	101	*function: Add BA timer function
	102	* input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
	103	* return: NULL
	104	* notice:
	105	********************************************************************************************************************/
	106	void TsAddBaProcess(unsigned long data)
	107	{
	108	PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
	109	u8 num = pTxTs->num;
	110	struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
	111
	112	TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
	113	IEEE80211_DEBUG(IEEE80211_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
	114	}
	115
	116
	117	void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)
	118	{
	119	memset(pTsCommonInfo->Addr, 0, 6);
	120	memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
	121	memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
	122	pTsCommonInfo->TClasProc = 0;
	123	pTsCommonInfo->TClasNum = 0;
	124	}
	125
	126	void ResetTxTsEntry(PTX_TS_RECORD pTS)
	127	{
	128	ResetTsCommonInfo(&pTS->TsCommonInfo);
	129	pTS->TxCurSeq = 0;
	130	pTS->bAddBaReqInProgress = false;
	131	pTS->bAddBaReqDelayed = false;
	132	pTS->bUsingBa = false;
	133	ResetBaEntry(&pTS->TxAdmittedBARecord); //For BA Originator
	134	ResetBaEntry(&pTS->TxPendingBARecord);
	135	}
	136
	137	void ResetRxTsEntry(PRX_TS_RECORD pTS)
	138	{
	139	ResetTsCommonInfo(&pTS->TsCommonInfo);
	140	pTS->RxIndicateSeq = 0xffff; // This indicate the RxIndicateSeq is not used now!!
	141	pTS->RxTimeoutIndicateSeq = 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
	142	ResetBaEntry(&pTS->RxAdmittedBARecord); // For BA Recepient
	143	}
	144
	145	void TSInitialize(struct ieee80211_device *ieee)
	146	{
	147	PTX_TS_RECORD pTxTS = ieee->TxTsRecord;
	148	PRX_TS_RECORD pRxTS = ieee->RxTsRecord;
	149	PRX_REORDER_ENTRY pRxReorderEntry = ieee->RxReorderEntry;
	150	u8 count = 0;
	151	IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __FUNCTION__);
	152	// Initialize Tx TS related info.
	153	INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
	154	INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
	155	INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
	156
	157	for(count = 0; count < TOTAL_TS_NUM; count++)
158	{
159	//
160	pTxTS->num = count;
161	// The timers for the operation of Traffic Stream and Block Ack.
162	// DLS related timer will be add here in the future!!
163	init_timer(&pTxTS->TsCommonInfo.SetupTimer);
164	pTxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pTxTS;
165	pTxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
166
167	init_timer(&pTxTS->TsCommonInfo.InactTimer);
168	pTxTS->TsCommonInfo.InactTimer.data = (unsigned long)pTxTS;
169	pTxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
170
171	init_timer(&pTxTS->TsAddBaTimer);
172	pTxTS->TsAddBaTimer.data = (unsigned long)pTxTS;
173	pTxTS->TsAddBaTimer.function = TsAddBaProcess;
174
175	init_timer(&pTxTS->TxPendingBARecord.Timer);
176	pTxTS->TxPendingBARecord.Timer.data = (unsigned long)pTxTS;
177	pTxTS->TxPendingBARecord.Timer.function = BaSetupTimeOut;
178
179	init_timer(&pTxTS->TxAdmittedBARecord.Timer);
180	pTxTS->TxAdmittedBARecord.Timer.data = (unsigned long)pTxTS;
181	pTxTS->TxAdmittedBARecord.Timer.function = TxBaInactTimeout;
182
183	ResetTxTsEntry(pTxTS);
184	list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List);
185	pTxTS++;
186	}
187
188	// Initialize Rx TS related info.
189	INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
190	INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
191	INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
192	for(count = 0; count < TOTAL_TS_NUM; count++)
193	{
194	pRxTS->num = count;
195	INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
196
197	init_timer(&pRxTS->TsCommonInfo.SetupTimer);
198	pRxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pRxTS;
199	pRxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
200
201	init_timer(&pRxTS->TsCommonInfo.InactTimer);
202	pRxTS->TsCommonInfo.InactTimer.data = (unsigned long)pRxTS;
203	pRxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
204
205	init_timer(&pRxTS->RxAdmittedBARecord.Timer);
206	pRxTS->RxAdmittedBARecord.Timer.data = (unsigned long)pRxTS;
207	pRxTS->RxAdmittedBARecord.Timer.function = RxBaInactTimeout;
208
209	init_timer(&pRxTS->RxPktPendingTimer);
210	pRxTS->RxPktPendingTimer.data = (unsigned long)pRxTS;
211	pRxTS->RxPktPendingTimer.function = RxPktPendingTimeout;
212
213	ResetRxTsEntry(pRxTS);
214	list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
215	pRxTS++;
216	}
217	// Initialize unused Rx Reorder List.
218	INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
219	//#ifdef TO_DO_LIST
220	for(count = 0; count < REORDER_ENTRY_NUM; count++)
221	{
222	list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
223	if(count == (REORDER_ENTRY_NUM-1))
224	break;
225	pRxReorderEntry = &ieee->RxReorderEntry[count+1];
226	}
227	//#endif
228
229	}
230
231	void AdmitTS(struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
232	{
233	del_timer_sync(&pTsCommonInfo->SetupTimer);
234	del_timer_sync(&pTsCommonInfo->InactTimer);
235
236	if(InactTime!=0)
237	mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
238	}
239
240
241	PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device ieee, u8 Addr, u8 TID, TR_SELECT TxRxSelect)
242	{
243	//DIRECTION_VALUE dir;
244	u8 dir;
245	bool search_dir[4] = {0, 0, 0, 0};
246	struct list_head* psearch_list; //FIXME
247	PTS_COMMON_INFO pRet = NULL;
248	if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
249	{
250	if(TxRxSelect == TX_DIR)
251	{
252	search_dir[DIR_DOWN] = true;
253	search_dir[DIR_BI_DIR]= true;
254	}
255	else
256	{
257	search_dir[DIR_UP] = true;
258	search_dir[DIR_BI_DIR]= true;
259	}
260	}
261	else if(ieee->iw_mode == IW_MODE_ADHOC)
262	{
263	if(TxRxSelect == TX_DIR)
264	search_dir[DIR_UP] = true;
265	else
266	search_dir[DIR_DOWN] = true;
267	}
268	else
269	{
270	if(TxRxSelect == TX_DIR)
271	{
272	search_dir[DIR_UP] = true;
273	search_dir[DIR_BI_DIR]= true;
274	search_dir[DIR_DIRECT]= true;
275	}
276	else
277	{
278	search_dir[DIR_DOWN] = true;
279	search_dir[DIR_BI_DIR]= true;
280	search_dir[DIR_DIRECT]= true;
281	}
282	}
283
284	if(TxRxSelect == TX_DIR)
285	psearch_list = &ieee->Tx_TS_Admit_List;
286	else
287	psearch_list = &ieee->Rx_TS_Admit_List;
288
289	//for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
290	for(dir = 0; dir <= DIR_BI_DIR; dir++)
291	{
292	if(search_dir[dir] ==false )
293	continue;
294	list_for_each_entry(pRet, psearch_list, List){
0ee9f67c	295	// 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);
5f53d8ca JC	296	if (memcmp(pRet->Addr, Addr, 6) == 0)
	297	if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
	298	if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
	299	{
	300	// printk("Bingo! got it\n");
	301	break;
	302	}
	303
	304	}
	305	if(&pRet->List != psearch_list)
	306	break;
	307	}
	308
	309	if(&pRet->List != psearch_list){
	310	return pRet ;
	311	}
	312	else
	313	return NULL;
	314	}
	315
	316	void MakeTSEntry(
	317	PTS_COMMON_INFO pTsCommonInfo,
	318	u8* Addr,
	319	PTSPEC_BODY pTSPEC,
	320	PQOS_TCLAS pTCLAS,
	321	u8 TCLAS_Num,
	322	u8 TCLAS_Proc
	323	)
	324	{
	325	u8 count;
	326
	327	if(pTsCommonInfo == NULL)
	328	return;
	329
	330	memcpy(pTsCommonInfo->Addr, Addr, 6);
	331
	332	if(pTSPEC != NULL)
	333	memcpy((u8)(&(pTsCommonInfo->TSpec)), (u8)pTSPEC, sizeof(TSPEC_BODY));
	334
	335	for(count = 0; count < TCLAS_Num; count++)
	336	memcpy((u8)(&(pTsCommonInfo->TClass[count])), (u8)pTCLAS, sizeof(QOS_TCLAS));
	337
	338	pTsCommonInfo->TClasProc = TCLAS_Proc;
	339	pTsCommonInfo->TClasNum = TCLAS_Num;
	340	}
	341
	342
	343	bool GetTs(
	344	struct ieee80211_device* ieee,
	345	PTS_COMMON_INFO *ppTS,
	346	u8* Addr,
	347	u8 TID,
	348	TR_SELECT TxRxSelect, //Rx:1, Tx:0
	349	bool bAddNewTs
	350	)
	351	{
	352	u8 UP = 0;
	353	//
	354	// We do not build any TS for Broadcast or Multicast stream.
	355	// So reject these kinds of search here.
	356	//
	357	if(is_broadcast_ether_addr(Addr) \|\| is_multicast_ether_addr(Addr))
	358	{
	359	IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
360	return false;
361	}
35c1b462	362
5f53d8ca JC	363	if (ieee->current_network.qos_data.supported == 0)
	364	UP = 0;
	365	else
	366	{
5f53d8ca JC	367	// In WMM case: we use 4 TID only
	368	if (!IsACValid(TID))
	369	{
	370	IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __FUNCTION__, TID);
	371	return false;
	372	}
	373
	374	switch(TID)
	375	{
	376	case 0:
	377	case 3:
	378	UP = 0;
	379	break;
	380
	381	case 1:
	382	case 2:
	383	UP = 2;
	384	break;
	385
	386	case 4:
	387	case 5:
	388	UP = 5;
	389	break;
	390
	391	case 6:
	392	case 7:
	393	UP = 7;
	394	break;
	395	}
	396	}
	397
	398	*ppTS = SearchAdmitTRStream(
	399	ieee,
	400	Addr,
	401	UP,
	402	TxRxSelect);
	403	if(*ppTS != NULL)
	404	{
	405	return true;
	406	}
	407	else
	408	{
	409	if(bAddNewTs == false)
	410	{
	411	IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
	412	return false;
	413	}
	414	else
	415	{
	416	//
	417	// Create a new Traffic stream for current Tx/Rx
	418	// This is for EDCA and WMM to add a new TS.
	419	// For HCCA or WMMSA, TS cannot be addmit without negotiation.
	420	//
	421	TSPEC_BODY TSpec;
	422	PQOS_TSINFO pTSInfo = &TSpec.f.TSInfo;
	423	struct list_head* pUnusedList =
	424	(TxRxSelect == TX_DIR)?
	425	(&ieee->Tx_TS_Unused_List):
	426	(&ieee->Rx_TS_Unused_List);
	427
	428	struct list_head* pAddmitList =
	429	(TxRxSelect == TX_DIR)?
	430	(&ieee->Tx_TS_Admit_List):
431	(&ieee->Rx_TS_Admit_List);
432
433	DIRECTION_VALUE Dir = (ieee->iw_mode == IW_MODE_MASTER)?
434	((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
435	((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
436	IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
437	if(!list_empty(pUnusedList))
438	{
439	(*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
440	list_del_init(&(*ppTS)->List);
441	if(TxRxSelect==TX_DIR)
442	{
443	PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
444	ResetTxTsEntry(tmp);
445	}
446	else{
447	PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
448	ResetRxTsEntry(tmp);
449	}
450
0ee9f67c	451	IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
5f53d8ca JC	452	// Prepare TS Info releated field
	453	pTSInfo->field.ucTrafficType = 0; // Traffic type: WMM is reserved in this field
	454	pTSInfo->field.ucTSID = UP; // TSID
	455	pTSInfo->field.ucDirection = Dir; // Direction: if there is DirectLink, this need additional consideration.
	456	pTSInfo->field.ucAccessPolicy = 1; // Access policy
	457	pTSInfo->field.ucAggregation = 0; // Aggregation
	458	pTSInfo->field.ucPSB = 0; // Aggregation
	459	pTSInfo->field.ucUP = UP; // User priority
	460	pTSInfo->field.ucTSInfoAckPolicy = 0; // Ack policy
	461	pTSInfo->field.ucSchedule = 0; // Schedule
	462
	463	MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
	464	AdmitTS(ieee, *ppTS, 0);
	465	list_add_tail(&((*ppTS)->List), pAddmitList);
	466	// if there is DirectLink, we need to do additional operation here!!
	467
	468	return true;
	469	}
	470	else
	471	{
	472	IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __FUNCTION__);
	473	return false;
	474	}
	475	}
	476	}
	477	}
	478
	479	void RemoveTsEntry(
	480	struct ieee80211_device* ieee,
	481	PTS_COMMON_INFO pTs,
	482	TR_SELECT TxRxSelect
	483	)
	484	{
	485	//u32 flags = 0;
	486	unsigned long flags = 0;
	487	del_timer_sync(&pTs->SetupTimer);
	488	del_timer_sync(&pTs->InactTimer);
	489	TsInitDelBA(ieee, pTs, TxRxSelect);
	490
	491	if(TxRxSelect == RX_DIR)
	492	{
	493	//#ifdef TO_DO_LIST
	494	PRX_REORDER_ENTRY pRxReorderEntry;
	495	PRX_TS_RECORD pRxTS = (PRX_TS_RECORD)pTs;
	496	if(timer_pending(&pRxTS->RxPktPendingTimer))
	497	del_timer_sync(&pRxTS->RxPktPendingTimer);
	498
	499	while(!list_empty(&pRxTS->RxPendingPktList))
	500	{
	501	// PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
	502	spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
	503	//pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
	504	pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
	505	list_del_init(&pRxReorderEntry->List);
	506	{
	507	int i = 0;
	508	struct ieee80211_rxb * prxb = pRxReorderEntry->prxb;
	509	if (unlikely(!prxb))
	510	{
	511	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
	512	return;
	513	}
	514	for(i =0; i < prxb->nr_subframes; i++) {
	515	dev_kfree_skb(prxb->subframes[i]);
516	}
517	kfree(prxb);
518	prxb = NULL;
519	}
520	list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
521	//PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
522	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
523	}
524
525	//#endif
526	}
527	else
528	{
529	PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
530	del_timer_sync(&pTxTS->TsAddBaTimer);
531	}
532	}
533
534	void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
535	{
536	PTS_COMMON_INFO pTS, pTmpTS;
0ee9f67c	537	printk("===========>RemovePeerTS,%pM\n", Addr);
5f53d8ca JC	538	#if 1
	539	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	540	{
	541	if (memcmp(pTS->Addr, Addr, 6) == 0)
	542	{
	543	RemoveTsEntry(ieee, pTS, TX_DIR);
	544	list_del_init(&pTS->List);
	545	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	546	}
	547	}
	548
	549	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	550	{
	551	if (memcmp(pTS->Addr, Addr, 6) == 0)
	552	{
	553	printk("====>remove Tx_TS_admin_list\n");
	554	RemoveTsEntry(ieee, pTS, TX_DIR);
	555	list_del_init(&pTS->List);
	556	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	557	}
	558	}
	559
	560	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	561	{
	562	if (memcmp(pTS->Addr, Addr, 6) == 0)
	563	{
	564	RemoveTsEntry(ieee, pTS, RX_DIR);
	565	list_del_init(&pTS->List);
	566	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	567	}
	568	}
	569
	570	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
	571	{
	572	if (memcmp(pTS->Addr, Addr, 6) == 0)
	573	{
	574	RemoveTsEntry(ieee, pTS, RX_DIR);
	575	list_del_init(&pTS->List);
	576	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
	577	}
	578	}
	579	#endif
	580	}
	581
	582	void RemoveAllTS(struct ieee80211_device* ieee)
	583	{
	584	PTS_COMMON_INFO pTS, pTmpTS;
	585	#if 1
	586	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
	587	{
	588	RemoveTsEntry(ieee, pTS, TX_DIR);
	589	list_del_init(&pTS->List);
	590	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	591	}
	592
	593	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
	594	{
	595	RemoveTsEntry(ieee, pTS, TX_DIR);
	596	list_del_init(&pTS->List);
	597	list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
	598	}
	599
	600	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
	601	{
602	RemoveTsEntry(ieee, pTS, RX_DIR);
603	list_del_init(&pTS->List);
604	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
605	}
606
607	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
608	{
609	RemoveTsEntry(ieee, pTS, RX_DIR);
610	list_del_init(&pTS->List);
611	list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
612	}
613	#endif
614	}
615
616	void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD pTxTS)
617	{
618	if(pTxTS->bAddBaReqInProgress == false)
619	{
620	pTxTS->bAddBaReqInProgress = true;
621	#if 1
622	if(pTxTS->bAddBaReqDelayed)
623	{
624	IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
625	mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
626	}
627	else
628	{
629	IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
630	mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
631	}
632	#endif
633	}
634	else
635	IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
636	}