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ea81e70cf9
- pcap.h (PCAP_FILE_MAGIC): define the pcap file magic number - atrf-txrx.c (write_pcap_hdr): use PCAP_FILE_MAGIC instead of open-coding the magic number
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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* pcap.h - Minimum pcap file definitions
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*
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* Written 2011 by Werner Almesberger
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* Copyright 2011 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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/*
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* This header defines the few things we need to write files in the pcap
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* format. The identifiers are the same as in the system's pcap/pcap.h, but
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* the types have been standardized. Note that the timestamp parts have to be
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* put separately, since "struct timeval" may be padded.
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*
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* The reason for having our own header instead of just using pcap/pcap.h is
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* to avoid a build-dependency on libpcap.
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*/
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#ifndef PCAP_H
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#define PCAP_H
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#include <stdint.h>
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#include <sys/time.h>
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#define PCAP_FILE_MAGIC 0xa1b2c3d4
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#define DLT_IEEE802_15_4 195
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struct pcap_file_header {
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uint32_t magic;
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uint16_t version_major;
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uint16_t version_minor;
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int32_t thiszone;
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uint32_t sigfigs;
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uint32_t snaplen;
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uint32_t linktype;
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};
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struct pcap_pkthdr {
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uint32_t ts_sec;
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uint32_t ts_usec;
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uint32_t caplen;
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uint32_t len;
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};
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#endif /* !PCAP_H */
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