source: libpacketdump/ip_44.c @ ee6e802

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivendag_formatrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since ee6e802 was ee6e802, checked in by Shane Alcock <salcock@…>, 5 years ago

Updated copyright blurb on all source files

In some cases, this meant adding copyright blurbs to files that
had never had them before.

  • Property mode set to 100644
File size: 1.8 KB
RevLine 
[ee6e802]1/*
2 *
3 * Copyright (c) 2007-2016 The University of Waikato, Hamilton, New Zealand.
4 * All rights reserved.
5 *
6 * This file is part of libtrace.
7 *
8 * This code has been developed by the University of Waikato WAND
9 * research group. For further information please see http://www.wand.net.nz/
10 *
11 * libtrace is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation; either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * libtrace is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23 *
24 *
25 */
[e845da6]26#include <sys/types.h>
27#include <netinet/in.h>
28#include <stdio.h>
29#include "libpacketdump.h"
30#include "libtrace.h"
31
32DLLEXPORT void decode(int link_type UNUSED, const char *packet, unsigned len)
33{
34        libtrace_ip6_frag_t *frag = (libtrace_ip6_frag_t *)packet;
35        uint16_t offset;
36
37        // IPv6 Fragment Header
38        if (len == 0) {
39                printf(" IPv6 Frag: [Truncated]\n");
40                return;
41        }
42
43       
44
45        printf(" IPv6 Frag: Next Header: %u\n", frag->nxt);
46       
47        offset = ntohs(frag->frag_off);
48        printf(" IPv6 Frag: Offset: %u", offset & 0xFFF8);
49        if ((offset & 0x1)) printf(" MORE_FRAG");
50       
51        printf("\n"); 
52        printf(" IPv6 Frag: Identification: %u\n", ntohl(frag->ident));
53
[31413f1]54        /* Only dump the next header if this is the first fragment */
55        if ((offset & 0xFFF8) != 0)
56                return;
57
[e845da6]58        decode_next(packet + sizeof(libtrace_ip6_frag_t), 
59                        len - sizeof(libtrace_ip6_frag_t), "ip", frag->nxt);
60        return; 
61
62}
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