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37 lines
736 B
C
37 lines
736 B
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <assert.h>
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#include <bits/stdint.h>
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#include <sys/cdefs.h>
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#include "in.h"
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__BEGIN_DECLS
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struct ip {
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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uint8_t ip_v : 4;
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uint8_t ip_hl : 4;
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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uint8_t ip_hl : 4;
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uint8_t ip_v : 4;
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#endif
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uint8_t ip_tos;
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uint16_t ip_len;
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uint16_t ip_id;
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uint16_t ip_off;
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uint8_t ip_ttl;
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uint8_t ip_p;
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uint16_t ip_sum;
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struct in_addr ip_src;
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struct in_addr ip_dst;
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} __attribute__((packed));
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static_assert(sizeof(struct ip) == 20, "struct ip: invalid length");
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__END_DECLS
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