APFowardWirelessStaToWirelessSta判斷是否向上層轉發收到的數據

BOOLEAN APFowardWirelessStaToWirelessSta(
	IN	RTMP_ADAPTER *pAd,
	IN	PNDIS_PACKET pPacket,
	IN	ULONG FromWhichBSSID)
{
	MAC_TABLE_ENTRY *pEntry = NULL;
	BOOLEAN bAnnounce, bDirectForward;
	UCHAR *pHeader802_3;
	PNDIS_PACKET pForwardPacket;


#ifdef INF_AMAZON_SE
	/*Iverson patch for WMM A5-T07 ,WirelessStaToWirelessSta do not bulk out aggregate */
	RTMP_SET_PACKET_NOBULKOUT(pPacket, FALSE);
#endif /* INF_AMAZON_SE */

#ifdef APCLI_SUPPORT
	/* have no need to forwad the packet to WM */
	if (FromWhichBSSID >= MIN_NET_DEVICE_FOR_APCLI)
		/* need annouce to upper layer */
		return TRUE;
	else
#endif /* APCLI_SUPPORT */
#ifdef WDS_SUPPORT
	/* have no need to forwad the packet to WM */
	if (FromWhichBSSID >= MIN_NET_DEVICE_FOR_WDS)
		/* need annouce to upper layer */
		return TRUE;
#endif /* WDS_SUPPORT */

	pEntry = NULL;
	bAnnounce = TRUE;
	bDirectForward = FALSE;

	pHeader802_3 = GET_OS_PKT_DATAPTR(pPacket);

	if (pHeader802_3[0] & 0x01) 
	{
		/*
		 * In the case, the BSS have only one STA behind.
		 * AP have no necessary to forward the M/Bcase packet back to STA again.
		*/
		if (
			((FromWhichBSSID < MAX_MBSSID_NUM(pAd)) &&
			(FromWhichBSSID < HW_BEACON_MAX_NUM) &&
			(pAd->ApCfg.MBSSID[FromWhichBSSID].StaCount > 1)))
		{
			if (pAd->ApCfg.MBSSID[FromWhichBSSID].IsolateInterStaMBCast == 0)
			{
				bDirectForward  = TRUE;
			}
		}

		/* tell caller to deliver the packet to upper layer */
		bAnnounce = TRUE;
	}		
	else
	{
#ifdef CLIENT_WDS
		{
			MAC_TABLE_ENTRY *pFromEntry = NULL;
			PUCHAR pEntryAddr;
			pEntry = MacTableLookup(pAd, pHeader802_3);
			if ((pEntry == NULL)
				&& (pEntryAddr = CliWds_ProxyLookup(pAd, pHeader802_3)) != NULL)
			{
				pEntry = MacTableLookup(pAd, pEntryAddr);
		
				pFromEntry = MacTableLookup(pAd, pHeader802_3 + MAC_ADDR_LEN);
				if ((pFromEntry == NULL)
				&& (pEntryAddr = CliWds_ProxyLookup(pAd, pHeader802_3 + MAC_ADDR_LEN)) != NULL)
				{
					pFromEntry = MacTableLookup(pAd, pEntryAddr);
				}
				if (pEntry == pFromEntry)
				{
					DBGPRINT(RT_DEBUG_TRACE, ("%s : Do not send it back\n", __FUNCTION__));
					pEntry = NULL;
				}
			}
	}
#else
		/* if destinated STA is a associated wireless STA */
		pEntry = MacTableLookup(pAd, pHeader802_3);
#endif /* CLIENT_WDS*/

		if (pEntry && (pEntry->Sst == SST_ASSOC) && IS_ENTRY_CLIENT(pEntry))
		{
			bDirectForward = TRUE;
			bAnnounce = FALSE;

			if (FromWhichBSSID == pEntry->apidx)
			{/* STAs in same SSID */
				if ((pAd->ApCfg.MBSSID[pEntry->apidx].IsolateInterStaTraffic == 1))
				{
					/* release the packet */
					bDirectForward = FALSE;
					bAnnounce = FALSE;
				}
			}
			else
			{/* STAs in different SSID */
				if (pAd->ApCfg.IsolateInterStaTrafficBTNBSSID == 1 ||
					((FromWhichBSSID < MAX_MBSSID_NUM(pAd)) &&
					(FromWhichBSSID < HW_BEACON_MAX_NUM) &&
					(pAd->ApCfg.MBSSID[pEntry->apidx].wdev.VLAN_VID != pAd->ApCfg.MBSSID[FromWhichBSSID].wdev.VLAN_VID)))
					/* destination VLAN ID != source VLAN ID */
				{
					/*
						Do not need to care WDS mode because packets from a
						WDS interface will be passed to upper layer for bridging.
					*/
					bDirectForward = FALSE;
					bAnnounce = FALSE;
				}
			}
		}
		else
		{
			/* announce this packet to upper layer (bridge) */
			bDirectForward = FALSE;
			bAnnounce = TRUE;
		}
	}

	if (bDirectForward)
	{
		/* build an NDIS packet */
		pForwardPacket = RTMP_DUPLICATE_PACKET(pAd, pPacket, FromWhichBSSID);			

		if (pForwardPacket == NULL)
		{
			return bAnnounce;
		}

		{
			/* 1.1 apidx != 0, then we need set packet mbssid attribute. */
			RTMP_SET_PACKET_NET_DEVICE_MBSSID(pForwardPacket, MAIN_MBSSID);	/* set a default value */
			if (pEntry && (pEntry->apidx != 0))
			{
				RTMP_SET_PACKET_NET_DEVICE_MBSSID(pForwardPacket, pEntry->apidx);
                            if ( pEntry && pEntry->wcid != MCAST_WCID)
                            {
                                    RTMP_SET_PACKET_WDEV(pPacket, pEntry->wdev->wdev_idx);                                   
                            }
			}
			
			/* send bc/mc frame back to the same bss */
			if (!pEntry)
			{
				RTMP_SET_PACKET_NET_DEVICE_MBSSID(pForwardPacket, FromWhichBSSID);


                            //also need to send back to same bss
                            if ((FromWhichBSSID >= 0) &&
                                    (FromWhichBSSID < pAd->ApCfg.BssidNum) &&
                                            (FromWhichBSSID < MAX_MBSSID_NUM(pAd)) &&
                                            (FromWhichBSSID < HW_BEACON_MAX_NUM))
                            {
                                    RTMP_SET_PACKET_WDEV(pForwardPacket, pAd->ApCfg.MBSSID[FromWhichBSSID].wdev.wdev_idx);
                            }
			}
			
			RTMP_SET_PACKET_WCID(pForwardPacket, pEntry ? pEntry->wcid : MCAST_WCID);			
			RTMP_SET_PACKET_MOREDATA(pForwardPacket, FALSE);

#ifdef INF_AMAZON_SE
			/*Iverson patch for WMM A5-T07 ,WirelessStaToWirelessSta do not bulk out aggregate */
			RTMP_SET_PACKET_NOBULKOUT(pForwardPacket, TRUE);
#endif /* INF_AMAZON_SE */

			APSendPacket(pAd, pForwardPacket);
		}

		/* Dequeue outgoing frames from TxSwQueue0..3 queue and process it */
		RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS);
	}
	
	return bAnnounce;
}