Revert "TODO epan/dissectors/asn1/kerberos/packet-kerberos-template.c new GSS flags"
[wireshark-sm.git] / epan / dissectors / packet-ax4000.c
blobe767bb1e85c320b684dcbe8c3ab414ece230b3b2
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 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <gerald@wireshark.org>
7 * Copyright 1998 Gerald Combs
9 * SPDX-License-Identifier: GPL-2.0-or-later
12 #include "config.h"
14 #include <epan/packet.h>
15 #include <epan/ipproto.h>
17 void proto_register_ax4000(void);
18 void proto_reg_handoff_ax4000(void);
20 static dissector_handle_t ax4000_handle;
22 /* Initialize the protocol and registered fields */
23 static int proto_ax4000;
24 static int hf_ax4000_port;
25 static int hf_ax4000_chassis;
26 static int hf_ax4000_fill;
27 static int hf_ax4000_index;
28 static int hf_ax4000_timestamp;
29 static int hf_ax4000_seq;
30 static int hf_ax4000_crc;
32 /* Initialize the subtree pointers */
33 static int ett_ax4000;
35 /* Code to actually dissect the packets */
36 static int
37 dissect_ax4000(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
39 proto_item *ti;
40 proto_tree *ax4000_tree;
42 uint32_t ax_port, ax_chassis, ax_index, ax_seq, ax_timestamp;
44 /* Make entries in Protocol column and Info column on summary display */
45 col_set_str(pinfo->cinfo, COL_PROTOCOL, "AX4000");
46 col_clear(pinfo->cinfo, COL_INFO);
48 /* create display subtree for the protocol */
49 ti = proto_tree_add_item(tree, proto_ax4000, tvb, 0, -1, ENC_NA);
51 ax4000_tree = proto_item_add_subtree(ti, ett_ax4000);
53 proto_tree_add_item_ret_uint(ax4000_tree, hf_ax4000_port, tvb, 0, 1, ENC_LITTLE_ENDIAN, &ax_port);
54 proto_tree_add_item_ret_uint(ax4000_tree, hf_ax4000_chassis, tvb, 1, 1, ENC_LITTLE_ENDIAN, &ax_chassis);
55 proto_tree_add_item(ax4000_tree, hf_ax4000_fill, tvb, 2, 1, ENC_BIG_ENDIAN);
56 proto_tree_add_item_ret_uint(ax4000_tree, hf_ax4000_index, tvb, 2, 2, ENC_BIG_ENDIAN, &ax_index);
57 proto_tree_add_item_ret_uint(ax4000_tree, hf_ax4000_timestamp, tvb, 6, 4, ENC_LITTLE_ENDIAN, &ax_timestamp);
58 proto_tree_add_item_ret_uint(ax4000_tree, hf_ax4000_seq, tvb, 10, 4, ENC_LITTLE_ENDIAN, &ax_seq);
59 proto_tree_add_item(ax4000_tree, hf_ax4000_crc, tvb, 14, 2, ENC_LITTLE_ENDIAN);
61 col_append_fstr(pinfo->cinfo, COL_INFO,
62 "Chss:%u Prt:%u Idx:%u Seq:0x%08x TS:%.6f[msec]",
63 ax_chassis, ax_port, ax_index, ax_seq, ax_timestamp*1e-5);
65 return tvb_captured_length(tvb);
68 /* Register the protocol with Wireshark */
70 /* this format is require because a script is used to build the C function
71 that calls all the protocol registration.
74 void
75 proto_register_ax4000(void)
77 static hf_register_info hf[] = {
78 { &hf_ax4000_port,
79 { "Port Number", "ax4000.port",
80 FT_UINT8, BASE_DEC, NULL, 0x0,
81 NULL, HFILL }
83 { &hf_ax4000_chassis,
84 { "Chassis Number", "ax4000.chassis",
85 FT_UINT8, BASE_DEC, NULL, 0x0,
86 NULL, HFILL }
88 { &hf_ax4000_fill,
89 { "Fill Type", "ax4000.fill",
90 FT_UINT8, BASE_DEC, NULL, 0xc0,
91 NULL, HFILL }
93 { &hf_ax4000_index,
94 { "Index", "ax4000.index",
95 FT_UINT16, BASE_DEC, NULL, 0x0FFF,
96 NULL, HFILL }
98 { &hf_ax4000_timestamp,
99 { "Timestamp", "ax4000.timestamp",
100 FT_UINT32, BASE_HEX, NULL, 0x0,
101 NULL, HFILL }
103 { &hf_ax4000_seq,
104 { "Sequence Number", "ax4000.seq",
105 FT_UINT32, BASE_HEX, NULL, 0x0,
106 NULL, HFILL }
108 { &hf_ax4000_crc,
109 { "CRC (unchecked)", "ax4000.crc",
110 FT_UINT16, BASE_HEX, NULL, 0x0,
111 NULL, HFILL }
115 /* Setup protocol subtree array */
116 static int *ett[] = {
117 &ett_ax4000
120 /* Register the protocol name and description */
121 proto_ax4000 = proto_register_protocol("AX/4000 Test Block",
122 "AX4000", "ax4000");
124 /* Required function calls to register the header fields and subtrees used */
125 proto_register_field_array(proto_ax4000, hf, array_length(hf));
126 proto_register_subtree_array(ett, array_length(ett));
128 ax4000_handle = register_dissector("ax4000", dissect_ax4000, proto_ax4000);
131 #define AX4000_TCP_PORT 3357 /* assigned by IANA */
132 #define AX4000_UDP_PORT 3357 /* assigned by IANA */
134 void
135 proto_reg_handoff_ax4000(void)
137 dissector_add_uint("ip.proto", IP_PROTO_AX4000, ax4000_handle);
138 dissector_add_uint_with_preference("tcp.port", AX4000_TCP_PORT, ax4000_handle);
139 dissector_add_uint_with_preference("udp.port", AX4000_UDP_PORT, ax4000_handle);
143 * Editor modelines - https://www.wireshark.org/tools/modelines.html
145 * Local variables:
146 * c-basic-offset: 8
147 * tab-width: 8
148 * indent-tabs-mode: t
149 * End:
151 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
152 * :indentSize=8:tabSize=8:noTabs=false: