MSWSP: fix dissect_mswsp_smb()
[wireshark-wip.git] / epan / dissectors / packet-ax4000.c
blobee2654aad3ddd6dd162ad0ab3e0be05bca65ffec
1 /* packet-ax4000.c
2 * Routines for Spirent AX/4000 Test Block dissection
3 * Copyright 2004, SEKINE Hideki <sekineh@gf7.so-net.ne.jp>
5 * $Id$
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program 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 General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #include "config.h"
28 #include <glib.h>
30 #include <epan/packet.h>
31 #include <ipproto.h>
33 void proto_register_ax4000(void);
34 void proto_reg_handoff_ax4000(void);
36 /* Initialize the protocol and registered fields */
37 static int proto_ax4000 = -1;
38 static int hf_ax4000_port = -1;
39 static int hf_ax4000_chassis = -1;
40 static int hf_ax4000_fill = -1;
41 static int hf_ax4000_index = -1;
42 static int hf_ax4000_timestamp = -1;
43 static int hf_ax4000_seq = -1;
44 static int hf_ax4000_crc = -1;
46 /* Initialize the subtree pointers */
47 static gint ett_ax4000 = -1;
49 /* Code to actually dissect the packets */
50 static void
51 dissect_ax4000(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
53 proto_item *ti;
54 proto_tree *ax4000_tree;
56 guint8 ax_port;
57 guint8 ax_chassis;
58 guint16 ax_index;
59 guint32 ax_seq;
60 guint32 ax_timestamp;
62 /* Make entries in Protocol column and Info column on summary display */
63 col_set_str(pinfo->cinfo, COL_PROTOCOL, "AX4000");
64 col_clear(pinfo->cinfo, COL_INFO);
66 ax_port = tvb_get_guint8(tvb, 0);
67 ax_chassis = tvb_get_guint8(tvb, 1);
68 ax_index = tvb_get_ntohs(tvb, 2) & 0x0FFF;
69 ax_timestamp = tvb_get_letohl(tvb, 6);
70 ax_seq = tvb_get_letohl(tvb, 10);
72 col_append_fstr(pinfo->cinfo, COL_INFO,
73 "Chss:%u Prt:%u Idx:%u Seq:0x%08x TS:%.6f[msec]",
74 ax_chassis, ax_port, ax_index, ax_seq, ax_timestamp*1e-5);
76 if (tree) {
77 /* create display subtree for the protocol */
78 ti = proto_tree_add_item(tree, proto_ax4000, tvb, 0, -1, ENC_NA);
80 ax4000_tree = proto_item_add_subtree(ti, ett_ax4000);
82 proto_tree_add_uint(ax4000_tree,
83 hf_ax4000_port, tvb, 0, 1, ax_port);
84 proto_tree_add_uint(ax4000_tree,
85 hf_ax4000_chassis, tvb, 1, 1, ax_chassis);
86 proto_tree_add_item(ax4000_tree,
87 hf_ax4000_fill, tvb, 2, 1, ENC_BIG_ENDIAN);
88 proto_tree_add_uint(ax4000_tree,
89 hf_ax4000_index, tvb, 2, 2, ax_index);
90 proto_tree_add_uint(ax4000_tree,
91 hf_ax4000_timestamp, tvb, 6, 4, ax_timestamp);
92 proto_tree_add_uint(ax4000_tree,
93 hf_ax4000_seq, tvb, 10, 4, ax_seq);
94 proto_tree_add_uint(ax4000_tree,
95 hf_ax4000_crc, tvb, 14, 2, tvb_get_letohs(tvb, 14));
100 /* Register the protocol with Wireshark */
102 /* this format is require because a script is used to build the C function
103 that calls all the protocol registration.
106 void
107 proto_register_ax4000(void)
109 static hf_register_info hf[] = {
110 { &hf_ax4000_port,
111 { "Port Number", "ax4000.port",
112 FT_UINT8, BASE_DEC, NULL, 0x0,
113 NULL, HFILL }
115 { &hf_ax4000_chassis,
116 { "Chassis Number", "ax4000.chassis",
117 FT_UINT8, BASE_DEC, NULL, 0x0,
118 NULL, HFILL }
120 { &hf_ax4000_fill,
121 { "Fill Type", "ax4000.fill",
122 FT_UINT8, BASE_DEC, NULL, 0xc0,
123 NULL, HFILL }
125 { &hf_ax4000_index,
126 { "Index", "ax4000.index",
127 FT_UINT16, BASE_DEC, NULL, 0x0FFF,
128 NULL, HFILL }
130 { &hf_ax4000_timestamp,
131 { "Timestamp", "ax4000.timestamp",
132 FT_UINT32, BASE_HEX, NULL, 0x0,
133 NULL, HFILL }
135 { &hf_ax4000_seq,
136 { "Sequence Number", "ax4000.seq",
137 FT_UINT32, BASE_HEX, NULL, 0x0,
138 NULL, HFILL }
140 { &hf_ax4000_crc,
141 { "CRC (unchecked)", "ax4000.crc",
142 FT_UINT16, BASE_HEX, NULL, 0x0,
143 NULL, HFILL }
147 /* Setup protocol subtree array */
148 static gint *ett[] = {
149 &ett_ax4000
152 /* Register the protocol name and description */
153 proto_ax4000 = proto_register_protocol("AX/4000 Test Block",
154 "AX4000", "ax4000");
156 /* Required function calls to register the header fields and subtrees used */
157 proto_register_field_array(proto_ax4000, hf, array_length(hf));
158 proto_register_subtree_array(ett, array_length(ett));
161 #define AX4000_TCP_PORT 3357 /* assigned by IANA */
162 #define AX4000_UDP_PORT 3357 /* assigned by IANA */
164 void
165 proto_reg_handoff_ax4000(void)
167 dissector_handle_t ax4000_handle;
169 ax4000_handle = create_dissector_handle(dissect_ax4000,
170 proto_ax4000);
171 dissector_add_uint("ip.proto", IP_PROTO_AX4000, ax4000_handle);
172 dissector_add_uint("tcp.port", AX4000_TCP_PORT, ax4000_handle);
173 dissector_add_uint("udp.port", AX4000_UDP_PORT, ax4000_handle);