예제 #1
0
파일: xmit_linux.c 프로젝트: krzk/linux
int rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
{
	int ret = 0;

	if (pkt) {
		rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, pkt->truesize);
		ret = _rtw_xmit_entry(pkt, pnetdev);
	}

	return ret;
}
int rtw_xmit_entry(_pkt *pkt, _nic_hdl pnetdev)
{
	_adapter *padapter = (_adapter *)rtw_netdev_priv(pnetdev);
	struct	mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
	int ret = 0;

	if (pkt) {
		if (check_fwstate(pmlmepriv, WIFI_MONITOR_STATE) == _TRUE) {
			rtw_monitor_xmit_entry((struct sk_buff *)pkt, pnetdev);
		} else {
			rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, pkt->truesize);
			ret = _rtw_xmit_entry(pkt, pnetdev);
		}

	}

	return ret;
}
예제 #3
0
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
	struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
	struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
	void *br_port = NULL;
#endif
	int ret;

	/* Indicat the packets to upper layer */
	if (pkt) {
		if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
		{
		 	_pkt *pskb2=NULL;
		 	struct sta_info *psta = NULL;
		 	struct sta_priv *pstapriv = &padapter->stapriv;
			int bmcast = IS_MCAST(pattrib->dst);

			//DBG_871X("bmcast=%d\n", bmcast);

			if(_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)==_FALSE)
			{
				//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);

				if(bmcast)
				{
					psta = rtw_get_bcmc_stainfo(padapter);
					pskb2 = rtw_skb_clone(pkt);
				} else {
					psta = rtw_get_stainfo(pstapriv, pattrib->dst);
				}

				if(psta)
				{
					struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;			

					//DBG_871X("directly forwarding to the rtw_xmit_entry\n");

					//skb->ip_summed = CHECKSUM_NONE;
					pkt->dev = pnetdev;				
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
					skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)

					_rtw_xmit_entry(pkt, pnetdev);

					if(bmcast && (pskb2 != NULL) ) {
						pkt = pskb2;
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
					} else {
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
						return;
					}
				}
			}
			else// to APself
			{
				//DBG_871X("to APSelf\n");
				DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
			}
		}
		
#ifdef CONFIG_BR_EXT
		// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
		br_port = padapter->pnetdev->br_port;
#else   // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
		rcu_read_lock();
		br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
		rcu_read_unlock();
#endif  // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))


		if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
		{
			int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
			if (nat25_handle_frame(padapter, pkt) == -1) {
				//priv->ext_stats.rx_data_drops++;
				//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
				//return FAIL;
				
#if 1
				// bypass this frame to upper layer!!
#else
				rtw_skb_free(sub_skb);
				continue;
#endif
			}							
		}
#endif	// CONFIG_BR_EXT
		if( precvpriv->sink_udpport > 0)
			rtw_sink_rtp_seq_dbg(padapter,pkt);
		pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
		pkt->dev = padapter->pnetdev;

#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
		if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
			pkt->ip_summed = CHECKSUM_UNNECESSARY;
		} else {
			pkt->ip_summed = CHECKSUM_NONE;
		}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
		pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX

		ret = rtw_netif_rx(padapter->pnetdev, pkt);
		if (ret == NET_RX_SUCCESS)
			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
		else
			DBG_COUNTER(padapter->rx_logs.os_netif_err);
	}
}
예제 #4
0
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
	struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
	int ret;

	/* Indicat the packets to upper layer */
	if (pkt) {
		if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
		{
			_pkt *pskb2 =NULL;
			struct sta_info *psta = NULL;
			struct sta_priv *pstapriv = &padapter->stapriv;
			int bmcast = IS_MCAST(pattrib->dst);

			/* DBG_871X("bmcast =%d\n", bmcast); */

			if (memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN))
			{
				/* DBG_871X("not ap psta =%p, addr =%pM\n", psta, pattrib->dst); */

				if (bmcast)
				{
					psta = rtw_get_bcmc_stainfo(padapter);
					pskb2 = rtw_skb_clone(pkt);
				} else {
					psta = rtw_get_stainfo(pstapriv, pattrib->dst);
				}

				if (psta)
				{
					struct net_device *pnetdev = (struct net_device*)padapter->pnetdev;

					/* DBG_871X("directly forwarding to the rtw_xmit_entry\n"); */

					/* skb->ip_summed = CHECKSUM_NONE; */
					pkt->dev = pnetdev;
					skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));

					_rtw_xmit_entry(pkt, pnetdev);

					if (bmcast && (pskb2 != NULL)) {
						pkt = pskb2;
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
					} else {
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
						return;
					}
				}
			}
			else/*  to APself */
			{
				/* DBG_871X("to APSelf\n"); */
				DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
			}
		}

		pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
		pkt->dev = padapter->pnetdev;

#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
		if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1)) {
			pkt->ip_summed = CHECKSUM_UNNECESSARY;
		} else {
			pkt->ip_summed = CHECKSUM_NONE;
		}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
		pkt->ip_summed = CHECKSUM_NONE;
#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */

		ret = rtw_netif_rx(padapter->pnetdev, pkt);
		if (ret == NET_RX_SUCCESS)
			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
		else
			DBG_COUNTER(padapter->rx_logs.os_netif_err);
	}
}
예제 #5
0
int rtw_recv_indicatepkt(_adapter *padapter, union recv_frame *precv_frame)
{
	struct recv_priv *precvpriv;
	_queue	*pfree_recv_queue;
	_pkt *skb;
	struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
	struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
#endif

#ifdef CONFIG_BR_EXT
	void *br_port = NULL;
#endif

_func_enter_;

	precvpriv = &(padapter->recvpriv);
	pfree_recv_queue = &(precvpriv->free_recv_queue);

#ifdef CONFIG_DRVEXT_MODULE
	if (drvext_rx_handler(padapter, precv_frame->u.hdr.rx_data, precv_frame->u.hdr.len) == _SUCCESS)
	{
		goto _recv_indicatepkt_drop;
	}
#endif

	skb = precv_frame->u.hdr.pkt;
	if(skb == NULL)
	{
		RT_TRACE(_module_recv_osdep_c_,_drv_err_,("rtw_recv_indicatepkt():skb==NULL something wrong!!!!\n"));
		goto _recv_indicatepkt_drop;
	}

	RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():skb != NULL !!!\n"));		
	RT_TRACE(_module_recv_osdep_c_,_drv_info_,("rtw_recv_indicatepkt():precv_frame->u.hdr.rx_head=%p  precv_frame->hdr.rx_data=%p\n", precv_frame->u.hdr.rx_head, precv_frame->u.hdr.rx_data));
	RT_TRACE(_module_recv_osdep_c_,_drv_info_,("precv_frame->hdr.rx_tail=%p precv_frame->u.hdr.rx_end=%p precv_frame->hdr.len=%d \n", precv_frame->u.hdr.rx_tail, precv_frame->u.hdr.rx_end, precv_frame->u.hdr.len));

	skb->data = precv_frame->u.hdr.rx_data;

	skb_set_tail_pointer(skb, precv_frame->u.hdr.len);

	skb->len = precv_frame->u.hdr.len;

	RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n skb->head=%p skb->data=%p skb->tail=%p skb->end=%p skb->len=%d\n", skb->head, skb->data, skb->tail, skb->end, skb->len));

	if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
	{
	 	_pkt *pskb2=NULL;
	 	struct sta_info *psta = NULL;
	 	struct sta_priv *pstapriv = &padapter->stapriv;
		struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
		int bmcast = IS_MCAST(pattrib->dst);

		//DBG_871X("bmcast=%d\n", bmcast);

		if(_rtw_memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)==_FALSE)
		{
			//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);

			if(bmcast)
			{
				psta = rtw_get_bcmc_stainfo(padapter);
				pskb2 = rtw_skb_clone(skb);
			} else {
				psta = rtw_get_stainfo(pstapriv, pattrib->dst);
			}

			if(psta)
			{
				struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;			

				//DBG_871X("directly forwarding to the rtw_xmit_entry\n");

				//skb->ip_summed = CHECKSUM_NONE;
				skb->dev = pnetdev;			
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
				skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
			
				_rtw_xmit_entry(skb, pnetdev);
			
				if(bmcast)
					skb = pskb2;
				else
					goto _recv_indicatepkt_end;
			}


		}
		else// to APself
		{
			//DBG_871X("to APSelf\n");
		}
	}
	

#ifdef CONFIG_BR_EXT

#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
	br_port = padapter->pnetdev->br_port;
#else   // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
	rcu_read_lock();
	br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
	rcu_read_unlock();
#endif  // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))

	if( br_port	&& (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )	 	
	{
		int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
		if (nat25_handle_frame(padapter, skb) == -1) {
			//priv->ext_stats.rx_data_drops++;
			//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
			//return FAIL;
#if 1			
			// bypass this frame to upper layer!!
#else
			goto _recv_indicatepkt_drop;
#endif
		}	
	}

#endif	// CONFIG_BR_EXT


#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
	if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
		skb->ip_summed = CHECKSUM_UNNECESSARY;
		//DBG_871X("CHECKSUM_UNNECESSARY \n");
	} else {
		skb->ip_summed = CHECKSUM_NONE;
		//DBG_871X("CHECKSUM_NONE(%d, %d) \n", pattrib->tcpchk_valid, pattrib->tcp_chkrpt);
	}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */

	skb->ip_summed = CHECKSUM_NONE;

#endif

	skb->dev = padapter->pnetdev;
	skb->protocol = eth_type_trans(skb, padapter->pnetdev);

	rtw_netif_rx(padapter->pnetdev, skb);

_recv_indicatepkt_end:

	precv_frame->u.hdr.pkt = NULL; // pointers to NULL before rtw_free_recvframe()

	rtw_free_recvframe(precv_frame, pfree_recv_queue);

	RT_TRACE(_module_recv_osdep_c_,_drv_info_,("\n rtw_recv_indicatepkt :after rtw_netif_rx!!!!\n"));

_func_exit_;

        return _SUCCESS;

_recv_indicatepkt_drop:

	 //enqueue back to free_recv_queue
	 if(precv_frame)
		 rtw_free_recvframe(precv_frame, pfree_recv_queue);

	 return _FAIL;

_func_exit_;

}
예제 #6
0
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
	struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
	struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
	void *br_port = NULL;
#endif
	int ret;

	/* Indicat the packets to upper layer */
	if (pkt) {
		if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
		{
		 	_pkt *pskb2=NULL;
		 	struct sta_info *psta = NULL;
		 	struct sta_priv *pstapriv = &padapter->stapriv;
			int bmcast = IS_MCAST(pattrib->dst);

			//DBG_871X("bmcast=%d\n", bmcast);

			if (_rtw_memcmp(pattrib->dst, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE)
			{
				//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);

				if(bmcast)
				{
					psta = rtw_get_bcmc_stainfo(padapter);
					pskb2 = rtw_skb_clone(pkt);
				} else {
					psta = rtw_get_stainfo(pstapriv, pattrib->dst);
				}

				if(psta)
				{
					struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;			

					//DBG_871X("directly forwarding to the rtw_xmit_entry\n");

					//skb->ip_summed = CHECKSUM_NONE;
					pkt->dev = pnetdev;				
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
					skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)

					_rtw_xmit_entry(pkt, pnetdev);

					if(bmcast && (pskb2 != NULL) ) {
						pkt = pskb2;
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
					} else {
						DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
						return;
					}
				}
			}
			else// to APself
			{
				//DBG_871X("to APSelf\n");
				DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
			}
		}
		
#ifdef CONFIG_BR_EXT
		// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
		br_port = padapter->pnetdev->br_port;
#else   // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
		rcu_read_lock();
		br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
		rcu_read_unlock();
#endif  // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))


		if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
		{
			int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
			if (nat25_handle_frame(padapter, pkt) == -1) {
				//priv->ext_stats.rx_data_drops++;
				//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
				//return FAIL;
				
#if 1
				// bypass this frame to upper layer!!
#else
				rtw_skb_free(sub_skb);
				continue;
#endif
			}							
		}
#endif	// CONFIG_BR_EXT
		if( precvpriv->sink_udpport > 0)
			rtw_sink_rtp_seq_dbg(padapter,pkt);
#ifdef DBG_UDP_PKT_LOSE_11AC
		/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header ,  
		*	we have to check ethernet type , so this debug must be print before eth_type_trans
		*/
		if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_ARP)) {
			/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
			if (pkt->len != 42 && pkt->len != 60) 
				DBG_871X("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt->len);
		} else if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_IP)) { 
			if (be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt->len)-ETH_HLEN) {
				DBG_871X("Error !!%s,Payload length not correct\n" , __func__);
				DBG_871X("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))));
				DBG_871X("%s, Pkt real length=%u\n" , __func__ , (pkt->len)-ETH_HLEN);
			} 
		}
#endif
		/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header */
		pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
		pkt->dev = padapter->pnetdev;

#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
		if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
			pkt->ip_summed = CHECKSUM_UNNECESSARY;
		} else {
			pkt->ip_summed = CHECKSUM_NONE;
		}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
		pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX

		ret = rtw_netif_rx(padapter->pnetdev, pkt);
		if (ret == NET_RX_SUCCESS)
			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
		else
			DBG_COUNTER(padapter->rx_logs.os_netif_err);
	}
}