64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/****************************************************************************
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* include/netinet/if_ether.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NETINET_IF_ETHER_H
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#define __INCLUDE_NETINET_IF_ETHER_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ETH_ALEN 6 /* Octets in one ethernet addr */
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#define ETH_P_IP ETHERTYPE_IP
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#define ETH_P_ARP ETHERTYPE_ARP
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/* Ethernet Address Resolution Protocol.
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*
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* See RFC 826 for protocol description. Structure below is adapted
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* to resolving internet addresses. Field names used correspond to
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* RFC 826.
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*/
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struct ether_arp
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{
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struct arphdr ea_hdr; /* fixed-size header */
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uint8_t arp_sha[ETH_ALEN]; /* sender hardware address */
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uint8_t arp_spa[4]; /* sender protocol address */
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uint8_t arp_tha[ETH_ALEN]; /* target hardware address */
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uint8_t arp_tpa[4]; /* target protocol address */
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};
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#define arp_hrd ea_hdr.ar_hrd
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#define arp_pro ea_hdr.ar_pro
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#define arp_hln ea_hdr.ar_hln
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#define arp_pln ea_hdr.ar_pln
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#define arp_op ea_hdr.ar_op
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#endif /* __INCLUDE_NETINET_IF_ETHER_H */
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