57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/** @file
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@brief ARP handler
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This is not to be included by the application.
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*/
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if defined(CONFIG_NET_IPV4)
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#ifndef __ARP_H
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#define __ARP_H
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#include <net/ethernet.h>
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#define NET_ARP_BUF(buf) ((struct net_arp_hdr *)net_nbuf_ll(buf))
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struct net_arp_hdr {
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struct net_eth_hdr eth_hdr;
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uint16_t hwtype; /* HTYPE */
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uint16_t protocol; /* PTYPE */
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uint8_t hwlen; /* HLEN */
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uint8_t protolen; /* PLEN */
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uint16_t opcode;
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struct net_eth_addr src_hwaddr; /* SHA */
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struct in_addr src_ipaddr; /* SPA */
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struct net_eth_addr dst_hwaddr; /* THA */
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struct in_addr dst_ipaddr; /* TPA */
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} __packed;
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#define NET_ARP_HTYPE_ETH 1
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#define NET_ARP_REQUEST 1
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#define NET_ARP_REPLY 2
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struct net_buf *net_arp_prepare(struct net_buf *buf);
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enum net_verdict net_arp_input(struct net_buf *buf);
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void net_arp_init(void);
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#endif /* __ARP_H */
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#endif /* CONFIG_NET_IPV4 */
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