20800366dd
Change all wireshark.org URLs to use https. Fix some broken links while we're at it. Change-Id: I161bf8eeca43b8027605acea666032da86f5ea1c Reviewed-on: https://code.wireshark.org/review/34089 Reviewed-by: Guy Harris <guy@alum.mit.edu>
192 lines
6.2 KiB
C
192 lines
6.2 KiB
C
/* packet-cosine.c
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* Routines for decoding CoSine IPNOS L2 debug output
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*
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* Motonori Shindo <motonori@shin.do>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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* XXX TODO:
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* o PPoATM and PPoFR encapsulation needs more test.
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*
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <wiretap/wtap.h>
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void proto_register_cosine(void);
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void proto_reg_handoff_cosine(void);
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static int proto_cosine = -1;
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static int hf_pro = -1;
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static int hf_off = -1;
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static int hf_pri = -1;
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static int hf_rm = -1;
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static int hf_err = -1;
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static int hf_sar = -1;
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static int hf_channel_id = -1;
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static gint ett_raw = -1;
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static dissector_handle_t eth_withoutfcs_handle;
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static dissector_handle_t ppp_hdlc_handle;
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static dissector_handle_t llc_handle;
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static dissector_handle_t chdlc_handle;
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static dissector_handle_t fr_handle;
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static int
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dissect_cosine(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_tree *fh_tree;
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proto_item *ti;
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union wtap_pseudo_header *pseudo_header = pinfo->pseudo_header;
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/* load the top pane info. This should be overwritten by
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the next protocol in the stack */
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col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "N/A");
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col_set_str(pinfo->cinfo, COL_RES_DL_DST, "N/A");
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "N/A");
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col_set_str(pinfo->cinfo, COL_INFO, "CoSine IPNOS L2 debug output");
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/* populate a tree in the second pane with the status of the link
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layer (ie none) */
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if(tree) {
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ti = proto_tree_add_protocol_format(tree, proto_cosine, tvb, 0, 0,
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"CoSine IPNOS L2 debug output (%s)",
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pseudo_header->cosine.if_name);
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fh_tree = proto_item_add_subtree(ti, ett_raw);
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proto_tree_add_uint(fh_tree, hf_pro, tvb, 0, 0, pseudo_header->cosine.pro);
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proto_tree_add_uint(fh_tree, hf_off, tvb, 0, 0, pseudo_header->cosine.off);
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proto_tree_add_uint(fh_tree, hf_pri, tvb, 0, 0, pseudo_header->cosine.pri);
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proto_tree_add_uint(fh_tree, hf_rm, tvb, 0, 0, pseudo_header->cosine.rm);
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proto_tree_add_uint(fh_tree, hf_err, tvb, 0, 0, pseudo_header->cosine.err);
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switch (pseudo_header->cosine.encap) {
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case COSINE_ENCAP_ETH:
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break;
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case COSINE_ENCAP_ATM:
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case COSINE_ENCAP_PPoATM:
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proto_tree_add_item(fh_tree, hf_sar, tvb, 0, 16, ENC_NA);
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break;
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case COSINE_ENCAP_PPP:
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case COSINE_ENCAP_FR:
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case COSINE_ENCAP_PPoFR:
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proto_tree_add_item(fh_tree, hf_channel_id, tvb, 0, 4, ENC_NA);
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break;
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case COSINE_ENCAP_HDLC:
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if (pseudo_header->cosine.direction == COSINE_DIR_TX) {
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proto_tree_add_item(fh_tree, hf_channel_id, tvb, 0, 2, ENC_NA);
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} else if (pseudo_header->cosine.direction == COSINE_DIR_RX) {
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proto_tree_add_item(fh_tree, hf_channel_id, tvb, 0, 4, ENC_NA);
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}
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break;
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default:
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break;
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}
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}
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switch (pseudo_header->cosine.encap) {
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case COSINE_ENCAP_ETH:
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call_dissector(eth_withoutfcs_handle, tvb_new_subset_remaining(tvb, 0),
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pinfo, tree);
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break;
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case COSINE_ENCAP_ATM:
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case COSINE_ENCAP_PPoATM:
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call_dissector(llc_handle, tvb_new_subset_remaining(tvb, 16),
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pinfo, tree);
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break;
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case COSINE_ENCAP_PPP:
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call_dissector(ppp_hdlc_handle, tvb_new_subset_remaining(tvb, 4),
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pinfo, tree);
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break;
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case COSINE_ENCAP_HDLC:
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if (pseudo_header->cosine.direction == COSINE_DIR_TX) {
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call_dissector(chdlc_handle, tvb_new_subset_remaining(tvb, 2),
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pinfo, tree);
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} else if (pseudo_header->cosine.direction == COSINE_DIR_RX) {
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call_dissector(chdlc_handle, tvb_new_subset_remaining(tvb, 4),
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pinfo, tree);
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}
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break;
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case COSINE_ENCAP_FR:
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case COSINE_ENCAP_PPoFR:
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call_dissector(fr_handle, tvb_new_subset_remaining(tvb, 4),
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pinfo, tree);
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break;
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case COSINE_ENCAP_TEST:
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case COSINE_ENCAP_UNKNOWN:
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call_data_dissector(tvb, pinfo, tree);
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break;
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default:
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break;
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}
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return tvb_captured_length(tvb);
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}
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void
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proto_register_cosine(void)
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{
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static hf_register_info hf[] = {
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{ &hf_pro,
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{ "Protocol", "cosine.pro", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
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{ &hf_off,
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{ "Offset", "cosine.off", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
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{ &hf_pri,
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{ "Priority", "cosine.pri", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
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{ &hf_rm,
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{ "Rate Marking", "cosine.rm", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
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{ &hf_err,
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{ "Error Code", "cosine.err", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
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{ &hf_sar,
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{ "SAR header", "cosine.sar", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
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{ &hf_channel_id,
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{ "Channel handle ID", "cosine.channel_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
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};
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static gint *ett[] = {
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&ett_raw,
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};
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proto_cosine = proto_register_protocol("CoSine IPNOS L2 debug output",
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"CoSine", "cosine");
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proto_register_field_array(proto_cosine, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_cosine(void)
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{
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dissector_handle_t cosine_handle;
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/*
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* Get handles for dissectors.
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*/
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eth_withoutfcs_handle = find_dissector_add_dependency("eth_withoutfcs", proto_cosine);
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ppp_hdlc_handle = find_dissector_add_dependency("ppp_hdlc", proto_cosine);
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llc_handle = find_dissector_add_dependency("llc", proto_cosine);
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chdlc_handle = find_dissector_add_dependency("chdlc", proto_cosine);
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fr_handle = find_dissector_add_dependency("fr", proto_cosine);
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cosine_handle = create_dissector_handle(dissect_cosine, proto_cosine);
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dissector_add_uint("wtap_encap", WTAP_ENCAP_COSINE, cosine_handle);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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