forked from osmocom/wireshark
219 lines
6.6 KiB
C
219 lines
6.6 KiB
C
/* packet-sercosiii_1v1_hp.c
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* Routines for SERCOS III dissection
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*
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* $Id$
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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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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include "packet-sercosiii.h"
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static gint hf_siii_mdt_hotplug_address = -1;
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static gint hf_siii_mdt_hp_ctrl = -1;
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static gint hf_siii_mdt_hp_info = -1;
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static gint hf_siii_at_hotplug_address = -1;
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static gint hf_siii_at_hp_stat = -1;
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static gint hf_siii_at_hp_info = -1;
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static gint hf_siii_mdt_hotplug_control_param = -1;
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static gint hf_siii_mdt_hotplug_control_svc_switch = -1;
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static gint hf_siii_at_hotplug_status_param = -1;
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static gint hf_siii_at_hotplug_status_hp0_finished = -1;
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static gint hf_siii_at_hotplug_status_error = -1;
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static gint ett_siii_mdt_hp = -1;
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static gint ett_siii_at_hp = -1;
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static gint ett_siii_mdt_hp_ctrl = -1;
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static gint ett_siii_mdt_hp_info = -1;
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static gint ett_siii_at_hp_stat = -1;
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static gint ett_siii_at_hp_info = -1;
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static const value_string siii_mdt_hotplug_control_functioncode_text[]=
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{
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{0x00, "No data"},
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{0x01, "tScyc"},
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{0x02, "t1"},
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{0x03, "t6"},
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{0x04, "t7"},
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{0x05, "Communication Version"},
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{0x06, "Communication timeout"},
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{0x10, "MDT0 Length"},
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{0x11, "MDT1 Length"},
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{0x12, "MDT2 Length"},
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{0x13, "MDT3 Length"},
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{0x20, "AT0 Length"},
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{0x21, "AT1 Length"},
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{0x22, "AT2 Length"},
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{0x23, "AT3 Length"},
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{0x80, "MDT-SVC pointer"},
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{0x81, "MDT-RTD pointer"},
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{0x82, "AT-SVC pointer"},
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{0x83, "AT-RTD pointer"},
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{0, NULL}
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};
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static const value_string siii_mdt_hotplug_control_svc_switch_text[]=
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{
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{0, "Transmission via HP-field"},
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{1, "Switch to SVC"},
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{0, NULL}
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};
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static const value_string siii_mdt_hotplug_status_ackcode_text[]=
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{
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{0x80, "MDT-SVC pointer"},
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{0x81, "MDT-RTD pointer"},
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{0x82, "AT-SVC pointer"},
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{0x83, "AT-RTD pointer"},
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{255, "Next Sercos Slave has same address"},
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{0, NULL}
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};
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static const value_string siii_at_hotplug_status_error_text[]=
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{
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{0, "Acknowledgement in HP-1"},
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{1, "Error in HP-1"},
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{0, NULL}
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};
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void dissect_siii_mdt_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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proto_tree* subtree;
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proto_tree* subtree2;
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proto_item* ti;
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ti = proto_tree_add_text(tree, tvb, 0, 8, "Hot-Plug");
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subtree = proto_item_add_subtree(ti, ett_siii_mdt_hp);
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proto_tree_add_item(subtree, hf_siii_mdt_hotplug_address, tvb, 2, 2, TRUE);
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ti = proto_tree_add_item(subtree, hf_siii_mdt_hp_ctrl, tvb, 2, 2, TRUE);
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subtree2 = proto_item_add_subtree(ti, ett_siii_mdt_hp_ctrl);
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proto_tree_add_item(subtree2, hf_siii_mdt_hotplug_control_svc_switch, tvb, 2, 2, TRUE);
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proto_tree_add_item(subtree2, hf_siii_mdt_hotplug_control_param, tvb, 2, 2, TRUE);
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proto_tree_add_item(subtree, hf_siii_mdt_hp_info, tvb, 4, 4, TRUE);
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}
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void dissect_siii_at_hp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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proto_tree* subtree;
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proto_tree* subtree2;
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proto_item* ti;
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ti = proto_tree_add_text(tree, tvb, 0, 8, "Hot-Plug");
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subtree = proto_item_add_subtree(ti, ett_siii_at_hp);
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proto_tree_add_item(subtree, hf_siii_at_hotplug_address, tvb, 2, 2, TRUE);
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ti = proto_tree_add_item(subtree, hf_siii_at_hp_stat, tvb, 2, 2, TRUE);
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subtree2 = proto_item_add_subtree(ti, ett_siii_at_hp_stat);
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proto_tree_add_item(subtree2, hf_siii_at_hotplug_status_error, tvb, 2, 2, TRUE);
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proto_tree_add_item(subtree2, hf_siii_at_hotplug_status_hp0_finished, tvb, 2, 2, TRUE);
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proto_tree_add_item(subtree2, hf_siii_at_hotplug_status_param, tvb, 2, 2, TRUE);
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proto_tree_add_item(subtree, hf_siii_at_hp_info, tvb, 4, 4, TRUE);
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}
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void dissect_siii_hp_init(gint proto_siii)
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{
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/* Setup list of header fields See Section 1.6.1 for details*/
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static hf_register_info hf_siii_header[] = {
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{ &hf_siii_mdt_hotplug_address,
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{"Sercos address", "siii.mdt.hp.sercosaddress",
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FT_UINT16, BASE_HEX, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_mdt_hp_ctrl,
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{"HP control", "siii.mdt.hp.ctrl",
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FT_UINT16, BASE_HEX, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_mdt_hp_info,
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{"HP info", "siii.mdt.hp.info",
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FT_BYTES, BASE_NONE, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_at_hotplug_address,
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{"Sercos address", "siii.at.hp.sercosaddress",
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FT_UINT16, BASE_HEX, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_at_hp_stat,
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{"HP status", "siii.mdt.hp.stat",
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FT_UINT16, BASE_HEX, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_at_hp_info,
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{"HP info", "siii.at.hp.info",
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FT_BYTES, BASE_NONE, NULL, 0,
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NULL, HFILL }
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},
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{ &hf_siii_mdt_hotplug_control_param,
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{"Parameter", "siii.mdt.hp.parameter",
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FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_control_functioncode_text), 0xFF,
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NULL, HFILL }
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},
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{ &hf_siii_mdt_hotplug_control_svc_switch,
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{"Switch to SVC", "siii.mdt.hp.switch",
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FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_control_svc_switch_text), 0x100,
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NULL, HFILL }
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},
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{ &hf_siii_at_hotplug_status_param,
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{"Parameter Received", "siii.at.hp.parameter",
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FT_UINT16, BASE_DEC, VALS(siii_mdt_hotplug_status_ackcode_text), 0xFF,
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NULL, HFILL }
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},
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{ &hf_siii_at_hotplug_status_hp0_finished,
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{"HP/SVC", "siii.at.hp.hp0_finished",
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FT_UINT16, BASE_DEC, NULL, 0x100,
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NULL, HFILL }
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},
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{ &hf_siii_at_hotplug_status_error,
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{"Error", "siii.at.hp.error",
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FT_UINT16, BASE_DEC, VALS(siii_at_hotplug_status_error_text), 0x200,
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NULL, HFILL }
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}
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_siii_mdt_hp,
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&ett_siii_at_hp,
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&ett_siii_mdt_hp_ctrl,
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&ett_siii_mdt_hp_info,
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&ett_siii_at_hp_stat,
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&ett_siii_at_hp_info
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};
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_siii, hf_siii_header, array_length(hf_siii_header));
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proto_register_subtree_array(ett, array_length(ett));
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}
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