From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:34:10 +0200 Subject: Adding upstream version 4.2.2. Signed-off-by: Daniel Baumann --- epan/dissectors/packet-openthread.c | 101 ++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 epan/dissectors/packet-openthread.c (limited to 'epan/dissectors/packet-openthread.c') diff --git a/epan/dissectors/packet-openthread.c b/epan/dissectors/packet-openthread.c new file mode 100644 index 00000000..2d73573d --- /dev/null +++ b/epan/dissectors/packet-openthread.c @@ -0,0 +1,101 @@ +/* packet-openthread.c + * Simple dissector for OpenThread loopback interface + * + * Robert Cragie + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include + +/* Forward declarations */ +void proto_register_openthread(void); +void proto_reg_handoff_openthread(void); + +static int proto_openthread = -1; + +static dissector_handle_t openthread_handle; +static dissector_handle_t wpan_handle; + +static int hf_openthread_channel = -1; +/* static int hf_openthread_psdu = -1; */ + +static gint ett_openthread = -1; + +static int +dissect_openthread(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + proto_item *proto_root; + proto_tree *openthread_tree; + tvbuff_t *sub_tvb; + + /* Create the protocol tree. */ + proto_root = proto_tree_add_item(tree, proto_openthread, tvb, 0, -1, ENC_NA); + openthread_tree = proto_item_add_subtree(proto_root, ett_openthread); + + proto_tree_add_item(openthread_tree, hf_openthread_channel, tvb, 0, 1, ENC_NA); + sub_tvb = tvb_new_subset_length(tvb, 1, tvb_reported_length_remaining(tvb, 3)); /* Note - truncate the last two "phoney" CRC bytes */ + call_dissector(wpan_handle, sub_tvb, pinfo, tree); + + return tvb_captured_length(tvb); +} + +void +proto_register_openthread(void) +{ + static hf_register_info hf[] = { + + /* Generic TLV */ + { &hf_openthread_channel, + { "Channel", + "openthread.channel", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, + HFILL } + }, +#if 0 + { &hf_openthread_psdu, + { "PSDU", + "openthread.psdu", + FT_NONE, BASE_NONE, NULL, 0x0, + NULL, + HFILL } + } +#endif + }; + + static gint *ett[] = { + &ett_openthread + }; + + proto_openthread = proto_register_protocol("OpenThread", "OpenThread", "openthread"); + proto_register_field_array(proto_openthread, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + openthread_handle = register_dissector("openthread", dissect_openthread, proto_openthread); +} + +void +proto_reg_handoff_openthread(void) +{ + wpan_handle = find_dissector_add_dependency("wpan_nofcs", proto_openthread); + dissector_add_for_decode_as("udp.port", openthread_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ -- cgit v1.2.3