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Diffstat (limited to 'epan/dissectors/packet-cimetrics.c')
-rw-r--r-- | epan/dissectors/packet-cimetrics.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/epan/dissectors/packet-cimetrics.c b/epan/dissectors/packet-cimetrics.c new file mode 100644 index 0000000000..a2bc56b048 --- /dev/null +++ b/epan/dissectors/packet-cimetrics.c @@ -0,0 +1,117 @@ +/* packet-cimetrics.c + * Routines for Cimetrics LLC OUI dissection + * Copyright 2008 Steve Karg <skarg@users.sourceforge.net> Alabama + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <epan/packet.h> +#include "packet-llc.h" +#include <epan/oui.h> +#include "packet-mstp.h" + +/* the U+4 device does MS/TP, uLAN, Modbus */ +static const value_string cimetrics_pid_vals[] = { + { 0x0001, "U+4 MS/TP" }, + { 0, NULL } +}; + +static dissector_handle_t bacnet_handle; +static dissector_handle_t data_handle; + +static int proto_cimetrics_mstp = -1; +static int hf_llc_cimetrics_pid = -1; +static gint ett_cimetrics_mstp = -1; + +static int hf_cimetrics_mstp_timer = -1; +static int hf_cimetrics_mstp_value = -1; + + +static void +dissect_cimetrics_mstp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti; + proto_tree *subtree; + + gint offset = 0; + + ti = proto_tree_add_item(tree, proto_cimetrics_mstp, tvb, offset, 9, FALSE); + subtree = proto_item_add_subtree(ti, ett_cimetrics_mstp); + proto_tree_add_item(subtree, hf_cimetrics_mstp_timer, tvb, + offset++, 2, TRUE); + offset++; + proto_tree_add_item(subtree, hf_cimetrics_mstp_value, tvb, + offset++, 1, TRUE); + dissect_mstp(tvb, pinfo, tree, subtree, offset); +} + +void +proto_register_cimetrics(void) +{ + static hf_register_info hf[] = { + { &hf_cimetrics_mstp_timer, + { "Delta Time", "cimetrics_mstp.timer", + FT_UINT16, BASE_DEC, NULL, 0, + "Milliseconds", HFILL } + }, + { &hf_cimetrics_mstp_value, + { "8-bit value", "cimetrics_mstp.value", + FT_UINT8, BASE_DEC, NULL, 0, + "value", HFILL } + } + }; + static hf_register_info hf2 = { + &hf_llc_cimetrics_pid, + { "PID", "llc.cimetrics_pid", + FT_UINT16, BASE_HEX, VALS(cimetrics_pid_vals), 0, + NULL, HFILL } + }; + static gint *ett[] = { + &ett_cimetrics_mstp + }; + + proto_cimetrics_mstp = proto_register_protocol("Cimetrics MS/TP", + "Cimetrics MS/TP", "cimetrics"); + + proto_register_field_array(proto_cimetrics_mstp, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + register_dissector("cimetrics", dissect_cimetrics_mstp, + proto_cimetrics_mstp); + + llc_add_oui(OUI_CIMETRICS, "llc.cimetrics_pid", + "Cimetrics OUI PID", &hf2); +} + +void +proto_reg_handoff_cimetrics(void) +{ + dissector_handle_t mstp_handle; + + mstp_handle = find_dissector("cimetrics"); + dissector_add("llc.cimetrics_pid", 1, mstp_handle); + bacnet_handle = find_dissector("bacnet"); + data_handle = find_dissector("data"); +} |