2 * Routines for Apple IP-over-IEEE 1394 packet disassembly
4 * $Id: packet-ap1394.c,v 1.1 2004/03/23 01:02:40 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include <epan/packet.h>
31 #include <epan/resolv.h>
32 #include <epan/strutil.h>
34 #include "packet-ap1394.h"
37 static int proto_ap1394 = -1;
38 static int hf_ap1394_dst = -1;
39 static int hf_ap1394_src = -1;
40 static int hf_ap1394_type = -1;
42 static gint ett_ap1394 = -1;
45 capture_ap1394(const guchar *pd, int offset, int len, packet_counts *ld)
49 if (!BYTES_ARE_IN_FRAME(offset, len, 18)) {
54 /* Skip destination and source addresses */
57 etype = pntohs(&pd[offset]);
59 capture_ethertype(etype, pd, offset, len, ld);
63 dissect_ap1394(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
66 proto_tree *fh_tree = NULL;
67 const char *src_addr, *dst_addr;
70 if (check_col(pinfo->cinfo, COL_PROTOCOL))
71 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IP/IEEE1394");
72 if (check_col(pinfo->cinfo, COL_INFO))
73 col_clear(pinfo->cinfo, COL_INFO);
75 src_addr=tvb_get_ptr(tvb, 8, 8);
76 SET_ADDRESS(&pinfo->dl_src, AT_EUI64, 8, src_addr);
77 SET_ADDRESS(&pinfo->src, AT_EUI64, 8, src_addr);
78 dst_addr=tvb_get_ptr(tvb, 0, 8);
79 SET_ADDRESS(&pinfo->dl_dst, AT_EUI64, 8, dst_addr);
80 SET_ADDRESS(&pinfo->dst, AT_EUI64, 8, dst_addr);
83 ti = proto_tree_add_protocol_format(tree, proto_ap1394, tvb, 0, 18,
84 "Apple IP-over-IEEE 1394, Src: %s, Dst: %s",
85 bytes_to_str(src_addr, 8), bytes_to_str(dst_addr, 8));
86 fh_tree = proto_item_add_subtree(ti, ett_ap1394);
87 proto_tree_add_bytes(fh_tree, hf_ap1394_dst, tvb, 0, 8, dst_addr);
88 proto_tree_add_bytes(fh_tree, hf_ap1394_src, tvb, 8, 8, src_addr);
90 etype = tvb_get_ntohs(tvb, 16);
91 ethertype(etype, tvb, 18, pinfo, tree, fh_tree, hf_ap1394_type, -1, 0);
95 proto_register_ap1394(void)
97 static hf_register_info hf[] = {
99 { "Destination", "ap1394.dst", FT_BYTES, BASE_NONE,
100 NULL, 0x0, "Destination address", HFILL }},
102 { "Source", "ap1394.src", FT_BYTES, BASE_NONE,
103 NULL, 0x0, "Source address", HFILL }},
104 /* registered here but handled in ethertype.c */
106 { "Type", "ap1394.type", FT_UINT16, BASE_HEX,
107 VALS(etype_vals), 0x0, "", HFILL }},
109 static gint *ett[] = {
113 proto_ap1394 = proto_register_protocol("Apple IP-over-IEEE 1394", "IP/IEEE1394", "ap1394");
114 proto_register_field_array(proto_ap1394, hf, array_length(hf));
115 proto_register_subtree_array(ett, array_length(ett));
119 proto_reg_handoff_ap1394(void)
121 dissector_handle_t ap1394_handle;
123 ap1394_handle = create_dissector_handle(dissect_ap1394, proto_ap1394);
124 dissector_add("wtap_encap", WTAP_ENCAP_APPLE_IP_OVER_IEEE1394, ap1394_handle);