source: libpacketdump/eth_34916.c @ 8485d99

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivendag_formatrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 8485d99 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
Line 
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 */
26
27#include "libtrace_int.h"
28#include <sys/types.h>
29#include <netinet/in.h>
30#include <stdio.h>
31#include "libpacketdump.h"
32#include "libtrace.h"
33
34typedef struct pppoe_t {
35        LT_BITFIELD8    ver:4;
36        LT_BITFIELD8    type:4;
37        uint8_t         code;
38        uint16_t        session;
39        uint16_t        length;
40} pppoe_t;
41
42DLLEXPORT void decode(int link_type UNUSED,const char *pkt,unsigned len) 
43{
44        pppoe_t *pppoe = (pppoe_t *) pkt;
45       
46        if (len < sizeof(*pppoe)) {
47                printf(" PPPoE: Truncated (len = %u)\n", len);
48                return;
49        }
50
51        printf(" PPPoE: Version: %d\n",pppoe->ver);
52        printf(" PPPoE: Type: %d\n",pppoe->type);
53        printf(" PPPoE: Code: %d\n",pppoe->code);
54        printf(" PPPoE: Session: %d\n",ntohs(pppoe->session));
55        printf(" PPPoE: Length: %d\n",ntohs(pppoe->length));
56
57        /* Meh.. pass it off to eth decoder */
58        decode_next(pkt + sizeof(*pppoe), len - sizeof(*pppoe), "link", 5);
59
60}
61
62
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