45 lines
1023 B
C
45 lines
1023 B
C
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/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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#ifndef __ARP_H__
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#define __ARP_H__
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#include <sys/types.h>
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__BEGIN_DECLS
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#define ARP_OFFSET_HTYPE 0
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#define ARP_OFFSET_PTYPE 2
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#define ARP_OFFSET_HLEN 4
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#define ARP_OFFSET_PLEN 5
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#define ARP_OFFSET_OPER 6
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#define ARP_OFFSET_SHA 8
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int arp_layer(bool on);
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int arp_get_macaddr(uint32_t ip,char *mac);
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int arp_fill(uint32_t ip, utime_t timeout); /* send arp requests until it is satisfied or timeout */
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void arp_dump_table(void);
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#define ARP_CACHE_SIZE 32
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typedef struct arp_cache_entry {
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uint32_t ip;
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char mac[6];
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struct arp_cache_entry *next;
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} arp_cache_entry_t;
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typedef struct arp_cache {
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arp_cache_entry_t cache[ARP_CACHE_SIZE];
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} arp_cache_t;
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__END_DECLS
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#endif
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