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										 |  |  | /**
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							|  |  |  |  * @file | 
					
						
							|  |  |  |  * Ethernet input function - handles INCOMING ethernet level traffic | 
					
						
							|  |  |  |  * To be used in most low-level netif implementations | 
					
						
							|  |  |  |  */ | 
					
						
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										 |  |  | /*
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							|  |  |  |  * Copyright (c) 2001-2003 Swedish Institute of Computer Science. | 
					
						
							|  |  |  |  * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> | 
					
						
							|  |  |  |  * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. | 
					
						
							|  |  |  |  * All rights reserved. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Redistribution and use in source and binary forms, with or without modification, | 
					
						
							|  |  |  |  * are permitted provided that the following conditions are met: | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * 1. Redistributions of source code must retain the above copyright notice, | 
					
						
							|  |  |  |  *    this list of conditions and the following disclaimer. | 
					
						
							|  |  |  |  * 2. Redistributions in binary form must reproduce the above copyright notice, | 
					
						
							|  |  |  |  *    this list of conditions and the following disclaimer in the documentation | 
					
						
							|  |  |  |  *    and/or other materials provided with the distribution. | 
					
						
							|  |  |  |  * 3. The name of the author may not be used to endorse or promote products | 
					
						
							|  |  |  |  *    derived from this software without specific prior written permission. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | 
					
						
							|  |  |  |  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | 
					
						
							|  |  |  |  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT | 
					
						
							|  |  |  |  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 
					
						
							|  |  |  |  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | 
					
						
							|  |  |  |  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 
					
						
							|  |  |  |  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 
					
						
							|  |  |  |  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | 
					
						
							|  |  |  |  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY | 
					
						
							|  |  |  |  * OF SUCH DAMAGE. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This file is part of the lwIP TCP/IP stack. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Author: Adam Dunkels <adam@sics.se> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  */ | 
					
						
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							|  |  |  | #ifndef LWIP_HDR_NETIF_ETHERNET_H
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							|  |  |  | #define LWIP_HDR_NETIF_ETHERNET_H
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							|  |  |  | #include "lwip/opt.h"
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							|  |  |  | #include "lwip/pbuf.h"
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							|  |  |  | #include "lwip/netif.h"
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										 |  |  | #include "lwip/prot/ethernet.h"
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							|  |  |  | #ifdef __cplusplus
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							|  |  |  | extern "C" { | 
					
						
							|  |  |  | #endif
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							|  |  |  | #if LWIP_ARP || LWIP_ETHERNET
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							|  |  |  | /** Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
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							|  |  |  |  * to a filter function that returns the correct netif when using multiple | 
					
						
							|  |  |  |  * netifs on one hardware interface where the netif's low-level receive | 
					
						
							|  |  |  |  * routine cannot decide for the correct netif (e.g. when mapping multiple | 
					
						
							|  |  |  |  * IP addresses to one hardware interface). | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #ifndef LWIP_ARP_FILTER_NETIF
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							|  |  |  | #define LWIP_ARP_FILTER_NETIF 0
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							|  |  |  | #endif
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							|  |  |  | err_t ethernet_input(struct pbuf *p, struct netif *netif); | 
					
						
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										 |  |  | err_t ethernet_output(struct netif* netif, struct pbuf* p, const struct eth_addr* src, const struct eth_addr* dst, u16_t eth_type); | 
					
						
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							|  |  |  | extern const struct eth_addr ethbroadcast, ethzero; | 
					
						
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							|  |  |  | #endif /* LWIP_ARP || LWIP_ETHERNET */
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							|  |  |  | #ifdef __cplusplus
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							|  |  |  | } | 
					
						
							|  |  |  | #endif
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							|  |  |  | #endif /* LWIP_HDR_NETIF_ETHERNET_H */
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