/src/wireshark/epan/dissectors/packet-mesh.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* packet-mesh-header.c |
2 | | * Routines for Mesh Header dissection |
3 | | * Javier Cardona <javier@cozybit.com> |
4 | | * Copyright 2007, Marvell Semiconductors Inc. |
5 | | * |
6 | | * Wireshark - Network traffic analyzer |
7 | | * By Gerald Combs <gerald@wireshark.org> |
8 | | * Copyright 1998 Gerald Combs |
9 | | * |
10 | | * SPDX-License-Identifier: GPL-2.0-or-later |
11 | | */ |
12 | | |
13 | | #include "config.h" |
14 | | |
15 | | #include <epan/packet.h> |
16 | | |
17 | | void proto_register_mesh(void); |
18 | | |
19 | | /* Initialize the protocol and registered fields */ |
20 | | static int proto_mesh; |
21 | | static int hf_mesh_ttl; |
22 | | static int hf_mesh_e2eseq; |
23 | | |
24 | | /* Initialize the subtree pointers */ |
25 | | static int ett_mesh; |
26 | | |
27 | | /* Code to actually dissect the packets */ |
28 | | static int |
29 | | dissect_mesh(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) |
30 | 0 | { |
31 | | /* Set up structures needed to add the protocol subtree and manage it */ |
32 | 0 | proto_item *ti; |
33 | 0 | proto_tree *mesh_tree; |
34 | 0 | uint8_t mesh_ttl; |
35 | 0 | uint16_t mesh_e2eseq; |
36 | | |
37 | | /* Make entries in Protocol column and Info column on summary display */ |
38 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "Mesh"); |
39 | |
|
40 | 0 | if (tree) { |
41 | 0 | ti = proto_tree_add_item(tree, proto_mesh, tvb, 0, 5, ENC_NA); |
42 | 0 | mesh_tree = proto_item_add_subtree(ti, ett_mesh); |
43 | | |
44 | | /* add an item to the subtree, see section 1.6 for more information */ |
45 | 0 | mesh_ttl = tvb_get_uint8(tvb, 2); |
46 | 0 | proto_tree_add_uint(mesh_tree, hf_mesh_ttl, tvb, 2, 1, mesh_ttl); |
47 | |
|
48 | 0 | mesh_e2eseq = tvb_get_ntohs(tvb, 3); |
49 | 0 | proto_tree_add_uint(mesh_tree, hf_mesh_e2eseq, tvb, 3, 2, mesh_e2eseq); |
50 | 0 | } |
51 | | |
52 | | /* Return the amount of data this dissector was able to dissect */ |
53 | 0 | return 5; |
54 | 0 | } |
55 | | |
56 | | |
57 | | /* Register the protocol with Wireshark */ |
58 | | |
59 | | /* this format is require because a script is used to build the C function |
60 | | that calls all the protocol registration. |
61 | | */ |
62 | | |
63 | | void |
64 | | proto_register_mesh(void) |
65 | 14 | { |
66 | | /* Setup list of header fields See Section 1.6.1 for details*/ |
67 | 14 | static hf_register_info hf[] = { |
68 | 14 | { &hf_mesh_ttl, |
69 | 14 | { "Mesh TTL", "mesh.ttl", FT_UINT8, BASE_DEC, |
70 | 14 | NULL, 0x0, NULL, HFILL }}, |
71 | | |
72 | 14 | { &hf_mesh_e2eseq, |
73 | 14 | { "Mesh End-to-end Seq", "mesh.e2eseq", FT_UINT16, BASE_HEX, |
74 | 14 | NULL, 0x0, NULL, HFILL }}, |
75 | 14 | }; |
76 | | |
77 | | /* Setup protocol subtree array */ |
78 | 14 | static int *ett[] = { |
79 | 14 | &ett_mesh |
80 | 14 | }; |
81 | | |
82 | | /* Register the protocol name and description */ |
83 | 14 | proto_mesh = proto_register_protocol("Mesh Header", "Mesh", "mesh"); |
84 | | |
85 | | /* Required function calls to register the header fields and subtrees used */ |
86 | 14 | proto_register_field_array(proto_mesh, hf, array_length(hf)); |
87 | 14 | proto_register_subtree_array(ett, array_length(ett)); |
88 | | |
89 | 14 | register_dissector("mesh", dissect_mesh, proto_mesh); |
90 | 14 | } |
91 | | |
92 | | /* |
93 | | * Editor modelines - https://www.wireshark.org/tools/modelines.html |
94 | | * |
95 | | * Local Variables: |
96 | | * c-basic-offset: 2 |
97 | | * tab-width: 8 |
98 | | * indent-tabs-mode: nil |
99 | | * End: |
100 | | * |
101 | | * ex: set shiftwidth=2 tabstop=8 expandtab: |
102 | | * :indentSize=2:tabSize=8:noTabs=true: |
103 | | */ |