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netif/ethernet.h
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1 /**
2  * @file
3  * Ethernet input function - handles INCOMING ethernet level traffic
4  * To be used in most low-level netif implementations
5  */
6 
7 /*
8  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
9  * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
10  * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without modification,
14  * are permitted provided that the following conditions are met:
15  *
16  * 1. Redistributions of source code must retain the above copyright notice,
17  * this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  * this list of conditions and the following disclaimer in the documentation
20  * and/or other materials provided with the distribution.
21  * 3. The name of the author may not be used to endorse or promote products
22  * derived from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
27  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
29  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33  * OF SUCH DAMAGE.
34  *
35  * This file is part of the lwIP TCP/IP stack.
36  *
37  * Author: Adam Dunkels <adam@sics.se>
38  *
39  */
40 
41 #ifndef LWIP_HDR_NETIF_ETHERNET_H
42 #define LWIP_HDR_NETIF_ETHERNET_H
43 
44 #include "lwip/opt.h"
45 
46 #include "lwip/pbuf.h"
47 #include "lwip/netif.h"
48 #include "lwip/prot/ethernet.h"
49 
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53 
54 #if LWIP_ARP || LWIP_ETHERNET
55 
56 /** Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
57  * to a filter function that returns the correct netif when using multiple
58  * netifs on one hardware interface where the netif's low-level receive
59  * routine cannot decide for the correct netif (e.g. when mapping multiple
60  * IP addresses to one hardware interface).
61  */
62 #ifndef LWIP_ARP_FILTER_NETIF
63 #define LWIP_ARP_FILTER_NETIF 0
64 #endif
65 
66 err_t ethernet_input(struct pbuf *p, struct netif *netif);
67 err_t ethernet_output(struct netif* netif, struct pbuf* p, const struct eth_addr* src, const struct eth_addr* dst, u16_t eth_type);
68 
69 extern const struct eth_addr ethbroadcast, ethzero;
70 
71 #endif /* LWIP_ARP || LWIP_ETHERNET */
72 
73 #ifdef __cplusplus
74 }
75 #endif
76 
77 #endif /* LWIP_HDR_NETIF_ETHERNET_H */
opt.h
lwIP Options Configuration
netif.h
netif API (to be used from TCPIP thread)
pbuf
Main packet buffer struct.
Definition: ppp_service_if.h:136
netif
Generic data structure used for all lwIP network interfaces.
Definition: ppp_service_if.h:157
pbuf.h
pbuf API
ethernet.h
Ethernet protocol definitions.
eth_addr
An Ethernet MAC address.
Definition: lwip/prot/ethernet.h:60
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