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