Message-Id: <20090703140647.7303.99932.sendpatchset@localhost.localdomain>
Date:	Fri, 03 Jul 2009 16:06:47 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	"Greg Kroah-Hartman" <gregkh@...e.de>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 07/22] Staging: rtl8192su: remove USB_TX_DRIVER_AGGREGATION_ENABLE ifdefs

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH staging] Staging: rtl8192su: remove USB_TX_DRIVER_AGGREGATION_ENABLE ifdefs

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/staging/rtl8192su/Makefile                      |    1 
 drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c |    8 
 drivers/staging/rtl8192su/ieee80211/rtl819x_HT.h        |    3 
 drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c    |    3 
 drivers/staging/rtl8192su/r8192U.h                      |   31 -
 drivers/staging/rtl8192su/r8192U_core.c                 |  327 ----------------
 drivers/staging/rtl8192su/r819xU_HTType.h               |    3 
 7 files changed, 376 deletions(-)

Index: b/drivers/staging/rtl8192su/Makefile
===================================================================
--- a/drivers/staging/rtl8192su/Makefile
+++ b/drivers/staging/rtl8192su/Makefile
@@ -12,7 +12,6 @@ EXTRA_CFLAGS += -DRTL8190_Download_Firmw
 EXTRA_CFLAGS += -DRTL8192S_PREPARE_FOR_NORMAL_RELEASE
 EXTRA_CFLAGS += -DRTL8192SU_DISABLE_IQK=1
 
-#EXTRA_CFLAGS += -DUSB_TX_DRIVER_AGGREGATION_ENABLE=0
 #EXTRA_CFLAGS += -DRTL8192SU_DISABLE_CCK_RATE=0
 EXTRA_CFLAGS += -DRTL8192S_DISABLE_FW_DM=0
 EXTRA_CFLAGS += -DDISABLE_BB_RF=0
Index: b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
===================================================================
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -2237,11 +2237,7 @@ void ieee80211_softmac_xmit(struct ieee8
 #if 1
 	/* if xmit available, just xmit it immediately, else just insert it to the wait queue */
 	for(i = 0; i < txb->nr_frags; i++) {
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-		if ((skb_queue_len(&ieee->skb_drv_aggQ[queue_index]) != 0) ||
-#else
 		if ((skb_queue_len(&ieee->skb_waitQ[queue_index]) != 0) ||
-#endif
 		(!ieee->check_nic_enough_desc(ieee->dev,queue_index))||\
 		     (ieee->queue_stop)) {
 			/* insert the skb packet to the wait queue */
@@ -2250,11 +2246,7 @@ void ieee80211_softmac_xmit(struct ieee8
 			 * */
 			//printk("error:no descriptor left@...ue_index %d, %d, %d\n", queue_index, skb_queue_len(&ieee->skb_waitQ[queue_index]), ieee->check_nic_enough_desc(ieee->dev,queue_index));
 			//ieee80211_stop_queue(ieee);
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-			skb_queue_tail(&ieee->skb_drv_aggQ[queue_index], txb->fragments[i]);
-#else
 			skb_queue_tail(&ieee->skb_waitQ[queue_index], txb->fragments[i]);
-#endif
 		}else{
 			ieee->softmac_data_hard_start_xmit(
 					txb->fragments[i],
Index: b/drivers/staging/rtl8192su/ieee80211/rtl819x_HT.h
===================================================================
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_HT.h
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_HT.h
@@ -324,9 +324,6 @@ typedef struct _RT_HIGH_THROUGHPUT{
 	u8				RxReorderPendingTime;
 	u16				RxReorderDropCounter;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	u8				UsbTxAggrNum;
-#endif
 
 	// Add for Broadcom(Linksys) IOT. Joseph
 	u8				bIsPeerBcm;
Index: b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
===================================================================
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
@@ -102,9 +102,6 @@ void HTUpdateDefaultSetting(struct ieee8
 	pHTInfo->RxReorderWinSize = 64;
 	pHTInfo->RxReorderPendingTime = 30;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	pHTInfo->UsbTxAggrNum = 4;
-#endif
 
 
 }
Index: b/drivers/staging/rtl8192su/r8192U.h
===================================================================
--- a/drivers/staging/rtl8192su/r8192U.h
+++ b/drivers/staging/rtl8192su/r8192U.h
@@ -465,30 +465,6 @@ typedef struct _tx_desc_819x_usb {
 }tx_desc_819x_usb, *ptx_desc_819x_usb;
 #endif
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-typedef struct _tx_desc_819x_usb_aggr_subframe {
-	//DWORD 0
-	u16	PktSize;
-	u8	Offset;
-	u8	TxFWInfoSize;
-
-	//DWORD 1
-	u8	RATid:3;
-	u8	DISFB:1;
-	u8	USERATE:1;
-	u8	MOREFRAG:1;
-	u8	NoEnc:1;
-	u8	PIFS:1;
-	u8	QueueSelect:5;
-	u8	NoACM:1;
-	u8	Reserved1:2;
-	u8	SecCAMID:5;
-	u8	SecDescAssign:1;
-	u8	SecType:2;
-	u8	PacketID:7;
-	u8	OWN:1;
-}tx_desc_819x_usb_aggr_subframe, *ptx_desc_819x_usb_aggr_subframe;
-#endif
 
 
 #ifdef RTL8192SU
@@ -868,17 +844,10 @@ typedef struct rx_drvinfo_819x_usb{
 //#define TX_PACKET_SHIFT_BYTES 	  	(USB_HWDESC_HEADER_LEN + sizeof(tx_fwinfo_819x_usb))
 #define MAX_FRAGMENT_COUNT		8
 #ifdef RTL8192U
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-#define MAX_TRANSMIT_BUFFER_SIZE			32000
-#else
 #define MAX_TRANSMIT_BUFFER_SIZE			8000
-#endif
 #else
 #define MAX_TRANSMIT_BUFFER_SIZE  	(1600+(MAX_802_11_HEADER_LENGTH+ENCRYPTION_MAX_OVERHEAD)*MAX_FRAGMENT_COUNT)
 #endif
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-#define TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES (sizeof(tx_desc_819x_usb_aggr_subframe) + sizeof(tx_fwinfo_819x_usb))
-#endif
 #define scrclng					4		// octets for crc32 (FCS, ICV)
 
 typedef enum rf_optype
Index: b/drivers/staging/rtl8192su/r8192U_core.c
===================================================================
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -2163,249 +2163,6 @@ int rtl8192_hard_start_xmit(struct sk_bu
 
 void rtl8192_try_wake_queue(struct net_device *dev, int pri);
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-u16 DrvAggr_PaddingAdd(struct net_device *dev, struct sk_buff *skb)
-{
-	u16     PaddingNum =  256 - ((skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES) % 256);
-	return  (PaddingNum&0xff);
-}
-
-u8 MRateToHwRate8190Pci(u8 rate);
-u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc);
-u8 MapHwQueueToFirmwareQueue(u8 QueueID);
-struct sk_buff *DrvAggr_Aggregation(struct net_device *dev, struct ieee80211_drv_agg_txb *pSendList)
-{
-	struct ieee80211_device *ieee = netdev_priv(dev);
-	struct r8192_priv *priv = ieee80211_priv(dev);
-	cb_desc 	*tcb_desc = NULL;
-	u8 		i;
-	u32		TotalLength;
-	struct sk_buff	*skb;
-	struct sk_buff  *agg_skb;
-	tx_desc_819x_usb_aggr_subframe *tx_agg_desc = NULL;
-	tx_fwinfo_819x_usb	       *tx_fwinfo = NULL;
-
-	//
-	// Local variable initialization.
-	//
-	/* first skb initialization */
-	skb = pSendList->tx_agg_frames[0];
-	TotalLength = skb->len;
-
-	/* Get the total aggregation length including the padding space and
-	 * sub frame header.
-	 */
-	for(i = 1; i < pSendList->nr_drv_agg_frames; i++) {
-		TotalLength += DrvAggr_PaddingAdd(dev, skb);
-		skb = pSendList->tx_agg_frames[i];
-		TotalLength += (skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
-	}
-
-	/* allocate skb to contain the aggregated packets */
-	agg_skb = dev_alloc_skb(TotalLength + ieee->tx_headroom);
-	memset(agg_skb->data, 0, agg_skb->len);
-	skb_reserve(agg_skb, ieee->tx_headroom);
-
-//	RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
-	/* reserve info for first subframe Tx descriptor to be set in the tx function */
-	skb = pSendList->tx_agg_frames[0];
-	tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	tcb_desc->drv_agg_enable = 1;
-	tcb_desc->pkt_size = skb->len;
- 	tcb_desc->DrvAggrNum = pSendList->nr_drv_agg_frames;
-	printk("DrvAggNum = %d\n", tcb_desc->DrvAggrNum);
-//	RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
-//	printk("========>skb->data ======> \n");
-//	RT_DEBUG_DATA(COMP_SEND, skb->data, skb->len);
-	memcpy(agg_skb->cb, skb->cb, sizeof(skb->cb));
-	memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len);
-
-	for(i = 1; i < pSendList->nr_drv_agg_frames; i++) {
-		/* push the next sub frame to be 256 byte aline */
-		skb_put(agg_skb,DrvAggr_PaddingAdd(dev,skb));
-
-		/* Subframe drv Tx descriptor and firmware info setting */
-		skb = pSendList->tx_agg_frames[i];
-		tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-		tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)agg_skb->tail;
-		tx_fwinfo = (tx_fwinfo_819x_usb *)(agg_skb->tail + sizeof(tx_desc_819x_usb_aggr_subframe));
-
-		memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb));
-		/* DWORD 0 */
-		tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
-		tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
-		tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
-		tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
-		if(tcb_desc->bAMPDUEnable) {//AMPDU enabled
-			tx_fwinfo->AllowAggregation = 1;
-			/* DWORD 1 */
-			tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
-			tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
-		} else {
-			tx_fwinfo->AllowAggregation = 0;
-			/* DWORD 1 */
-			tx_fwinfo->RxMF = 0;
-			tx_fwinfo->RxAMD = 0;
-		}
-
-		/* Protection mode related */
-		tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
-		tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
-		tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
-		tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80)?1:0;
-		tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
-		tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT==0)?(tcb_desc->RTSSC):0;
-		tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT==1)?((tcb_desc->bRTSBW)?1:0):0;
-		tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):\
-				      (tcb_desc->bRTSUseShortGI?1:0);
-
-		/* Set Bandwidth and sub-channel settings. */
-		if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
-		{
-			if(tcb_desc->bPacketBW) {
-				tx_fwinfo->TxBandwidth = 1;
-				tx_fwinfo->TxSubCarrier = 0;    //By SD3's Jerry suggestion, use duplicated mode
-			} else {
-				tx_fwinfo->TxBandwidth = 0;
-				tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
-			}
-		} else {
-			tx_fwinfo->TxBandwidth = 0;
-			tx_fwinfo->TxSubCarrier = 0;
-		}
-
-		/* Fill Tx descriptor */
-		memset(tx_agg_desc, 0, sizeof(tx_desc_819x_usb_aggr_subframe));
-		/* DWORD 0 */
-		//tx_agg_desc->LINIP = 0;
-		//tx_agg_desc->CmdInit = 1;
-		tx_agg_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
-		/* already raw data, need not to substract header length */
-		tx_agg_desc->PktSize = skb->len & 0xffff;
-
-		/*DWORD 1*/
-		tx_agg_desc->SecCAMID= 0;
-		tx_agg_desc->RATid = tcb_desc->RATRIndex;
-#if 0
-		/* Fill security related */
-		if( pTcb->bEncrypt && !Adapter->MgntInfo.SecurityInfo.SWTxEncryptFlag)
-		{
-			EncAlg = SecGetEncryptionOverhead(
-					Adapter,
-					&EncryptionMPDUHeadOverhead,
-					&EncryptionMPDUTailOverhead,
-					NULL,
-					NULL,
-					FALSE,
-					FALSE);
-			//2004/07/22, kcwu, EncryptionMPDUHeadOverhead has been added in previous code
-			//MPDUOverhead = EncryptionMPDUHeadOverhead + EncryptionMPDUTailOverhead;
-			MPDUOverhead = EncryptionMPDUTailOverhead;
-			tx_agg_desc->NoEnc = 0;
-			RT_TRACE(COMP_SEC, DBG_LOUD, ("******We in the loop SecCAMID is %d SecDescAssign is %d The Sec is %d********\n",tx_agg_desc->SecCAMID,tx_agg_desc->SecDescAssign,EncAlg));
-			//CamDumpAll(Adapter);
-		}
-		else
-#endif
-		{
-			//MPDUOverhead = 0;
-			tx_agg_desc->NoEnc = 1;
-		}
-#if 0
-		switch(EncAlg){
-			case NO_Encryption:
-				tx_agg_desc->SecType = 0x0;
-				break;
-			case WEP40_Encryption:
-			case WEP104_Encryption:
-				tx_agg_desc->SecType = 0x1;
-				break;
-			case TKIP_Encryption:
-				tx_agg_desc->SecType = 0x2;
-				break;
-			case AESCCMP_Encryption:
-				tx_agg_desc->SecType = 0x3;
-				break;
-			default:
-				tx_agg_desc->SecType = 0x0;
-				break;
-		}
-#else
-		tx_agg_desc->SecType = 0x0;
-#endif
-
-		if (tcb_desc->bHwSec) {
-			switch (priv->ieee80211->pairwise_key_type)
-			{
-				case KEY_TYPE_WEP40:
-				case KEY_TYPE_WEP104:
-					tx_agg_desc->SecType = 0x1;
-					tx_agg_desc->NoEnc = 0;
-					break;
-				case KEY_TYPE_TKIP:
-					tx_agg_desc->SecType = 0x2;
-					tx_agg_desc->NoEnc = 0;
-					break;
-				case KEY_TYPE_CCMP:
-					tx_agg_desc->SecType = 0x3;
-					tx_agg_desc->NoEnc = 0;
-					break;
-				case KEY_TYPE_NA:
-					tx_agg_desc->SecType = 0x0;
-					tx_agg_desc->NoEnc = 1;
-					break;
-			}
-		}
-
-		tx_agg_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
-		tx_agg_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
-
-		tx_agg_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
-		tx_agg_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
-
-		tx_agg_desc->OWN = 1;
-
-		//DWORD 2
-		/* According windows driver, it seems that there no need to fill this field */
-		//tx_agg_desc->TxBufferSize= (u32)(skb->len - USB_HWDESC_HEADER_LEN);
-
-		/* to fill next packet */
-		skb_put(agg_skb,TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
-		memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len);
-	}
-
-	for(i = 0; i < pSendList->nr_drv_agg_frames; i++) {
-		dev_kfree_skb_any(pSendList->tx_agg_frames[i]);
-	}
-
-	return agg_skb;
-}
-
-/* NOTE:
-	This function return a list of PTCB which is proper to be aggregate with the input TCB.
-	If no proper TCB is found to do aggregation, SendList will only contain the input TCB.
-*/
-u8 DrvAggr_GetAggregatibleList(struct net_device *dev, struct sk_buff *skb,
-		struct ieee80211_drv_agg_txb *pSendList)
-{
-	struct ieee80211_device *ieee = netdev_priv(dev);
-	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
-	u16		nMaxAggrNum = pHTInfo->UsbTxAggrNum;
-	cb_desc 	*tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	u8		QueueID = tcb_desc->queue_index;
-
-	do {
-		pSendList->tx_agg_frames[pSendList->nr_drv_agg_frames++] = skb;
-		if(pSendList->nr_drv_agg_frames >= nMaxAggrNum) {
-			break;
-		}
-
-	} while((skb = skb_dequeue(&ieee->skb_drv_aggQ[QueueID])));
-
-	RT_TRACE(COMP_AMSDU, "DrvAggr_GetAggregatibleList, nAggrTcbNum = %d \n", pSendList->nr_drv_agg_frames);
-	return pSendList->nr_drv_agg_frames;
-}
-#endif
 
 static void rtl8192_tx_isr(struct urb *tx_urb)
 {
@@ -2490,54 +2247,6 @@ static void rtl8192_tx_isr(struct urb *t
 
 				return; //modified by david to avoid further processing AMSDU
 			}
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-			else if ((skb_queue_len(&priv->ieee80211->skb_drv_aggQ[queue_index])!= 0)&&\
- 				(!(priv->ieee80211->queue_stop))) {
-				// Tx Driver Aggregation process
-				/* The driver will aggregation the packets according to the following stets
-				 * 1. check whether there's tx irq available, for it's a completion return
-				 *    function, it should contain enough tx irq;
-				 * 2. check pakcet type;
-				 * 3. intialize sendlist, check whether the to-be send packet no greater than 1
-				 * 4. aggregation the packets, and fill firmware info and tx desc to it, etc.
-				 * 5. check whehter the packet could be sent, otherwise just insert to wait head
-				 * */
-				skb = skb_dequeue(&priv->ieee80211->skb_drv_aggQ[queue_index]);
-				if(!check_nic_enough_desc(dev, queue_index)) {
-					skb_queue_head(&(priv->ieee80211->skb_drv_aggQ[queue_index]), skb);
-					return;
-				}
-
-				{
-					/*TODO*/
-					/*
-					u8* pHeader = skb->data;
-
-					if(IsMgntQosData(pHeader) ||
-				            IsMgntQData_Ack(pHeader) ||
-					    IsMgntQData_Poll(pHeader) ||
-					    IsMgntQData_Poll_Ack(pHeader)
-					  )
-					*/
-					{
-						struct ieee80211_drv_agg_txb SendList;
-
-						memset(&SendList, 0, sizeof(struct ieee80211_drv_agg_txb));
-						if(DrvAggr_GetAggregatibleList(dev, skb, &SendList) > 1) {
-							skb = DrvAggr_Aggregation(dev, &SendList);
-
-#if 0
-						printk("=============>to send aggregated packet!\n");
-						RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
-						printk("\n=================skb->len = %d\n", skb->len);
-						RT_DEBUG_DATA(COMP_SEND, skb->data, skb->len);
-#endif
-						}
-					}
-					priv->ieee80211->softmac_hard_start_xmit(skb, dev);
-				}
-			}
-#endif
 		}
 	}
 
@@ -3343,12 +3052,6 @@ short rtl8192SU_tx(struct net_device *de
 		tx_desc->TxSubCarrier = 0;
 	}
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable)
-	{
-		//tx_desc->Tx_INFO_RSVD = (tcb_desc->DrvAggrNum & 0x1f) << 1; //92su del
-	}
-#endif
 
 	//memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
 	/* DWORD 0 */
@@ -3356,11 +3059,6 @@ short rtl8192SU_tx(struct net_device *de
         //tx_desc->CmdInit = 1; //92su del
         tx_desc->Offset =  USB_HWDESC_HEADER_LEN;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable) {
-		tx_desc->PktSize = tcb_desc->pkt_size;//FIXLZM
-	} else
-#endif
 	{
 		tx_desc->PktSize = (skb->len - USB_HWDESC_HEADER_LEN) & 0xffff;
 	}
@@ -3469,11 +3167,6 @@ short rtl8192SU_tx(struct net_device *de
 #endif
         tx_desc->OWN = 1;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable) {
-		tx_desc->TxBufferSize = tcb_desc->pkt_size + sizeof(tx_fwinfo_819x_usb);
-	} else
-#endif
 	{
 		//DWORD 2
 		//tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
@@ -3653,12 +3346,6 @@ short rtl8192_tx(struct net_device *dev,
 		tx_fwinfo->TxSubCarrier = 0;
 	}
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable)
-	{
-		tx_fwinfo->Tx_INFO_RSVD = (tcb_desc->DrvAggrNum & 0x1f) << 1;
-	}
-#endif
 	/* Fill Tx descriptor */
 	memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
 	/* DWORD 0 */
@@ -3666,11 +3353,6 @@ short rtl8192_tx(struct net_device *dev,
         tx_desc->CmdInit = 1;
         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable) {
-		tx_desc->PktSize = tcb_desc->pkt_size;
-	} else
-#endif
 	{
 		tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
 	}
@@ -3766,11 +3448,6 @@ short rtl8192_tx(struct net_device *dev,
 #endif
         tx_desc->OWN = 1;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	if (tcb_desc->drv_agg_enable) {
-		tx_desc->TxBufferSize = tcb_desc->pkt_size + sizeof(tx_fwinfo_819x_usb);
-	} else
-#endif
 	{
 		//DWORD 2
 		tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
@@ -8017,11 +7694,7 @@ TxCheckStuck(struct net_device *dev)
 	     		if(QueueID == TXCMD_QUEUE)
 		         continue;
 #if 1
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-			if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_drv_aggQ[QueueID]) == 0))
-#else
 		     	if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
-#endif
 			 	continue;
 #endif
 
Index: b/drivers/staging/rtl8192su/r819xU_HTType.h
===================================================================
--- a/drivers/staging/rtl8192su/r819xU_HTType.h
+++ b/drivers/staging/rtl8192su/r819xU_HTType.h
@@ -293,9 +293,6 @@ typedef struct _RT_HIGH_THROUGHPUT{
 	u8				RxReorderPendingTime;
 	u16				RxReorderDropCounter;
 
-#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
-	u8				UsbTxAggrNum;
-#endif
 
 	// Add for Broadcom(Linksys) IOT. Joseph
 	u8				bIsPeerBcm;
--
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