Exemplo n.º 1
0
static s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{
	s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
	u8 *secondary_myid, *paddr1;
	union recv_frame	*precvframe_if2 = NULL;
	_adapter *primary_padapter = precvframe->u.hdr.adapter;
	_adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
	struct recv_priv *precvpriv = &primary_padapter->recvpriv;
	_queue *pfree_recv_queue = &precvpriv->free_recv_queue;
	HAL_DATA_TYPE	*pHalData = GET_HAL_DATA(primary_padapter);

	if(!secondary_padapter)
		return ret;

	paddr1 = GetAddr1Ptr(precvframe->u.hdr.rx_data);

	if(IS_MCAST(paddr1) == _FALSE)//unicast packets
	{
		secondary_myid = adapter_mac_addr(secondary_padapter);

		if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
		{
			//change to secondary interface
			precvframe->u.hdr.adapter = secondary_padapter;
		}

		//ret = recv_entry(precvframe);

	}
	else // Handle BC/MC Packets
	{
		//clone/copy to if2
		_pkt	 *pkt_copy = NULL;
		struct rx_pkt_attrib *pattrib = NULL;

		precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);

		if(!precvframe_if2)
			return _FAIL;

		precvframe_if2->u.hdr.adapter = secondary_padapter;
		_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
		pattrib = &precvframe_if2->u.hdr.attrib;

		//driver need to set skb len for skb_copy().
		//If skb->len is zero, skb_copy() will not copy data from original skb.
		skb_put(precvframe->u.hdr.pkt, pattrib->pkt_len);

		pkt_copy = rtw_skb_copy( precvframe->u.hdr.pkt);
		if (pkt_copy == NULL)
		{
			if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
			{
				DBG_8192C("pre_recv_entry(): rtw_skb_copy fail , drop frag frame \n");
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				return ret;
			}

			pkt_copy = rtw_skb_clone( precvframe->u.hdr.pkt);
			if(pkt_copy == NULL)
			{
				DBG_8192C("pre_recv_entry(): rtw_skb_clone fail , drop frame\n");
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				return ret;
			}
		}

		pkt_copy->dev = secondary_padapter->pnetdev;

		precvframe_if2->u.hdr.pkt = pkt_copy;
		precvframe_if2->u.hdr.rx_head = pkt_copy->head;
		precvframe_if2->u.hdr.rx_data = pkt_copy->data;
		precvframe_if2->u.hdr.rx_tail = skb_tail_pointer(pkt_copy);
		precvframe_if2->u.hdr.rx_end = skb_end_pointer(pkt_copy);
		precvframe_if2->u.hdr.len = pkt_copy->len;

		//recvframe_put(precvframe_if2, pattrib->pkt_len);

		if ( pHalData->ReceiveConfig & RCR_APPFCS)
			recvframe_pull_tail(precvframe_if2, IEEE80211_FCS_LEN);

		if (pattrib->physt)
			rx_query_phy_status(precvframe_if2, pphy_status);

		if(rtw_recv_entry(precvframe_if2) != _SUCCESS)
		{
			RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
				("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
		}
	}

	//if (precvframe->u.hdr.attrib.physt)
	//	rx_query_phy_status(precvframe, pphy_status);

	//ret = rtw_recv_entry(precvframe);
#endif

	return ret;

}
Exemplo n.º 2
0
static s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{	
	s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE	
	u8 *secondary_myid, *paddr1;
	union recv_frame	*precvframe_if2 = NULL;
	_adapter *primary_padapter = precvframe->u.hdr.adapter;
	_adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
	struct recv_priv *precvpriv = &primary_padapter->recvpriv;
	_queue *pfree_recv_queue = &precvpriv->free_recv_queue;
	u8	*pbuf = precvframe->u.hdr.rx_data;
	
	if(!secondary_padapter)
		return ret;
	
	paddr1 = GetAddr1Ptr(pbuf);

	if(IS_MCAST(paddr1) == _FALSE)//unicast packets
	{
		secondary_myid = adapter_mac_addr(secondary_padapter);

		if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
		{			
			//change to secondary interface
			precvframe->u.hdr.adapter = secondary_padapter;
		}	

		//ret = recv_entry(precvframe);

	}
	else // Handle BC/MC Packets	
	{
		
		u8 clone = _TRUE;
#if 0		
		u8 type, subtype, *paddr2, *paddr3;
	
		type =  GetFrameType(pbuf);
		subtype = GetFrameSubType(pbuf); //bit(7)~bit(2)
		
		switch (type)
		{
			case WIFI_MGT_TYPE: //Handle BC/MC mgnt Packets
				if(subtype == WIFI_BEACON)
				{
					paddr3 = GetAddr3Ptr(precvframe->u.hdr.rx_data);
				
					if (check_fwstate(&secondary_padapter->mlmepriv, _FW_LINKED) &&
						_rtw_memcmp(paddr3, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
					{
						//change to secondary interface
						precvframe->u.hdr.adapter = secondary_padapter;
						clone = _FALSE;
					}

					if(check_fwstate(&primary_padapter->mlmepriv, _FW_LINKED) &&
						_rtw_memcmp(paddr3, get_bssid(&primary_padapter->mlmepriv), ETH_ALEN))
					{
						if(clone==_FALSE)
						{
							clone = _TRUE;									
						}	
						else
						{
							clone = _FALSE;
						}

						precvframe->u.hdr.adapter = primary_padapter;	
					}

					if(check_fwstate(&primary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) ||
						check_fwstate(&secondary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING))
					{
						clone = _TRUE;
						precvframe->u.hdr.adapter = primary_padapter;	
					}
				
				}
				else if(subtype == WIFI_PROBEREQ)
				{
					//probe req frame is only for interface2
					//change to secondary interface
					precvframe->u.hdr.adapter = secondary_padapter;
					clone = _FALSE;
				}			
				break;
			case WIFI_CTRL_TYPE: // Handle BC/MC ctrl Packets
			
				break;
			case WIFI_DATA_TYPE: //Handle BC/MC data Packets
					//Notes: AP MODE never rx BC/MC data packets
			
				paddr2 = GetAddr2Ptr(precvframe->u.hdr.rx_data);

				if(_rtw_memcmp(paddr2, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
				{
					//change to secondary interface
					precvframe->u.hdr.adapter = secondary_padapter;
					clone = _FALSE;
				}

				break;
			default:
			
				break;			
		}
#endif

		if(_TRUE == clone)
		{
			//clone/copy to if2		
			struct rx_pkt_attrib *pattrib = NULL;
		
			precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);
			if(precvframe_if2)
			{
				precvframe_if2->u.hdr.adapter = secondary_padapter;
		
				_rtw_init_listhead(&precvframe_if2->u.hdr.list);	
				precvframe_if2->u.hdr.precvbuf = NULL;	//can't access the precvbuf for new arch.
				precvframe_if2->u.hdr.len=0;

				_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));

				pattrib = &precvframe_if2->u.hdr.attrib;

				if(rtw_os_alloc_recvframe(secondary_padapter, precvframe_if2, pbuf, NULL) == _SUCCESS)				
				{						
					recvframe_put(precvframe_if2, pattrib->pkt_len);
					//recvframe_pull(precvframe_if2, drvinfo_sz + RXDESC_SIZE);

					if (pattrib->physt && pphy_status)
						rx_query_phy_status(precvframe_if2, pphy_status);
	
					ret = rtw_recv_entry(precvframe_if2);				
				}	
				else
				{
					rtw_free_recvframe(precvframe_if2, pfree_recv_queue);
					DBG_8192C("%s()-%d: alloc_skb() failed!\n", __FUNCTION__, __LINE__);	
				}

			}
			
		}
		
	}
	//if (precvframe->u.hdr.attrib.physt)
	//	rx_query_phy_status(precvframe, pphy_status);

	//ret = rtw_recv_entry(precvframe);

#endif

	return ret;

}
Exemplo n.º 3
0
void aesccmp_encrypt(struct rtl8192cd_priv *priv, unsigned char *pwlhdr,
				unsigned char *frag1,
				unsigned char *frag2, unsigned int frag2_len,
				unsigned char *frag3)
{
	unsigned char *da;
	unsigned char *ttkey = NULL;
	union PN48 	  *pn48 = NULL;
	unsigned int	keyid = 0;
	struct stat_info	*pstat = NULL;

	da = get_da(pwlhdr);

	if (OPMODE & WIFI_AP_STATE)
	{
#if defined(WDS) || defined(CONFIG_RTK_MESH) || defined(A4_STA)
		unsigned int to_fr_ds = (GetToDs(pwlhdr) << 1) | GetFrDs(pwlhdr);
		if (to_fr_ds == 3)
			da = GetAddr1Ptr(pwlhdr);
#endif

		if (IS_MCAST(da))
		{
			ttkey = GET_GROUP_ENCRYP_KEY;
			pn48 = GET_GROUP_ENCRYP_PN;
			keyid = 1;
		}
		else
		{
			pstat = get_stainfo(priv, da);
			if (pstat == NULL) {
				DEBUG_ERR("tx aes pstat == NULL\n");
				return;
			}
			ttkey = GET_UNICAST_ENCRYP_KEY;
			pn48 = GET_UNICAST_ENCRYP_PN;
			keyid = 0;
		}
	}
#ifdef CLIENT_MODE
	else if (OPMODE & WIFI_STATION_STATE)
	{
		pstat = get_stainfo(priv, BSSID);
		if (pstat == NULL) {
			DEBUG_ERR("tx aes pstat == NULL\n");
			return;
		}
		ttkey = GET_UNICAST_ENCRYP_KEY;
		pn48 = GET_UNICAST_ENCRYP_PN;
		keyid = 0;
	}
	else if (OPMODE & WIFI_ADHOC_STATE)
	{
		ttkey = GET_GROUP_ENCRYP_KEY;
		pn48 = GET_GROUP_ENCRYP_PN;
		keyid = 0;
	}
#endif

	if ((ttkey == NULL) || (pn48 == NULL)) {
		DEBUG_ERR("no encrypt key for AES due to ttkey=NULL or pn48=NULL\n");
		return;
	}

	aes_tx(priv, ttkey, keyid, pn48, pwlhdr, frag1, frag2, frag2_len, frag3);
}