| /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */ |
| /* |
| * Copyright (c) 2003 - The tcpdump group. |
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| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| * @(#) $Header: /tcpdump/master/libpcap/Attic/rawss7.h,v 1.1 2003-09-10 19:55:36 mcr Exp $ (LBL) |
| */ |
| |
| /* |
| * This file is never used in libpcap or tcpdump. It is provided as |
| * documentation linktypes 139 through 142 only. |
| */ |
| |
| /* |
| * Date: Tue, 09 Sep 2003 09:41:04 -0400 |
| * From: Jeff Morriss <jeff.morriss[AT]ulticom.com> |
| * To: tcpdump-workers@tcpdump.org |
| * Subject: [tcpdump-workers] request for LINKTYPE_ |
| * |
| * We've had some discussion over on ethereal-dev about a "fake link" or |
| * "raw SS7" dissector that allows dumping an arbitrary protocol into a |
| * file without any (otherwise necessary) lower level protocols. The |
| * common example has been dumping MTP3 into a file without, well, MTP2 or |
| * M2PA. |
| * |
| * We want to store these protocols directly in PCAP file format because |
| * it's well defined and there isn't another (popular) file format for |
| * capturing SS7 messages that we can reverse engineer (and we want to read |
| * these files into Ethereal). Rather than creating a new file format, it's |
| * a lot easier to just allocate a LINKTYPE_. |
| * |
| * Here is the original post thread: |
| * |
| * http://ethereal.com/lists/ethereal-dev/200306/threads.html#00200 |
| * |
| * July's thread on the subject: |
| * |
| * http://ethereal.com/lists/ethereal-dev/200307/threads.html#00124 |
| * |
| * August's thread: |
| * |
| * http://ethereal.com/lists/ethereal-dev/200308/threads.html#00193 |
| * |
| * |
| * and one of the last messages--which is why I'm mailing you today: |
| * |
| * http://ethereal.com/lists/ethereal-dev/200308/msg00193.html |
| * |
| * |
| * Based on the message in the last URL, I'd like to request a new |
| * LINKTYPE_: LINKTYPE_RAWSS7. |
| * |
| * This packets in this file type will contain a header: |
| */ |
| |
| typedef struct _rawss7_hdr { |
| /* NOTE: These are in network-byte order. */ |
| guint32 type; |
| guint16 length; |
| guint16 spare; |
| } rawss7_hdr; |
| |
| /* |
| * |
| * followed by protocol data for whatever protocol 'type' indicates. |
| * |
| * There was some discussion about these protocol 'type's being allocated by |
| * tcpdump-workers as well. In fact it would be handy to have one place to |
| * allocate such numbers, so what do you think about allocating 3 more (for |
| * now) LINKTYPE_'s: |
| */ |
| |
| #define LINKTYPE_RAWSS7_MTP2 140 |
| #define LINKTYPE_RAWSS7_MTP3 141 |
| #define LINKTYPE_RAWSS7_SCCP 142 |
| |
| /* |
| * |
| * There is no reason this can't be used to store non-SS7 protocols, but |
| * it's what we need to use it for now... |
| * |
| */ |