669 lines
20 KiB
C
669 lines
20 KiB
C
/* packet-pn-mrp.c
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* Routines for PN-MRP (PROFINET Media Redundancy Protocol)
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* packet dissection.
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/oui.h>
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#include <epan/etypes.h>
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#include <epan/dissectors/packet-dcerpc.h>
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#include "packet-pn.h"
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void proto_register_pn_mrp(void);
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void proto_reg_handoff_pn_mrp(void);
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static int proto_pn_mrp = -1;
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static int hf_pn_mrp_type = -1;
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static int hf_pn_mrp_length = -1;
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static int hf_pn_mrp_version = -1;
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static int hf_pn_mrp_sequence_id = -1;
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static int hf_pn_mrp_sa = -1;
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static int hf_pn_mrp_prio = -1;
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static int hf_pn_mrp_port_role = -1;
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static int hf_pn_mrp_ring_state = -1;
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static int hf_pn_mrp_interval = -1;
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static int hf_pn_mrp_transition = -1;
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static int hf_pn_mrp_time_stamp = -1;
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static int hf_pn_mrp_blocked = -1;
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static int hf_pn_mrp_domain_uuid = -1;
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static int hf_pn_mrp_oui = -1;
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static int hf_pn_mrp_ed1type = -1;
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static int hf_pn_mrp_ed1_manufacturer_data = -1;
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static int hf_pn_mrp_sub_tlv_header_type = -1;
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static int hf_pn_mrp_sub_tlv_header_length = -1;
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static int hf_pn_mrp_sub_option2 = -1;
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static int hf_pn_mrp_other_mrm_prio = -1;
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static int hf_pn_mrp_other_mrm_sa = -1;
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static gint ett_pn_mrp = -1;
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static gint ett_pn_mrp_type = -1;
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static gint ett_pn_sub_tlv = -1;
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static const value_string pn_mrp_block_type_vals[] = {
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{ 0x00, "MRP_End" },
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{ 0x01, "MRP_Common" },
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{ 0x02, "MRP_Test" },
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{ 0x03, "MRP_TopologyChange" },
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{ 0x04, "MRP_LinkDown" },
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{ 0x05, "MRP_LinkUp" },
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{ 0x06, "MRP_InTest" },
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{ 0x07, "MRP_InTopologyChange" },
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{ 0x08, "MRP_InLinkDown" },
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{ 0x09, "MRP_InLinkUp" },
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{ 0x0A, "MRP_InLinkStatusPoll" },
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/*0x0B - 0x7E Reserved */
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{ 0x7F, "MRP_Option (Organizationally Specific)"},
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{ 0, NULL },
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};
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static const value_string pn_mrp_oui_vals[] = {
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{ OUI_PROFINET, "PROFINET" },
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{ OUI_SIEMENS, "SIEMENS" },
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{ 0, NULL }
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};
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static const value_string pn_mrp_port_role_vals[] = {
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{ 0x0000, "Primary ring port" },
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{ 0x0001, "Secondary ring port"},
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/*0x0002 - 0xFFFF Reserved */
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{ 0, NULL }
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};
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#if 0
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static const value_string pn_mrp_role_vals[] = {
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{ 0x0000, "Media redundancy disabled" },
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{ 0x0001, "Media redundancy client" },
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{ 0x0002, "Media redundancy manager" },
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{ 0x0003, "Media redundancy manager (auto)" },
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/*0x0004 - 0xFFFF Reserved */
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{ 0, NULL }
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};
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#endif
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static const value_string pn_mrp_ring_state_vals[] = {
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{ 0x0000, "Ring open" },
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{ 0x0001, "Ring closed"},
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/*0x0002 - 0xFFFF Reserved */
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{ 0, NULL }
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};
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#if 0
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static const value_string pn_mrp_prio_vals[] = {
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{ 0x8000, "Default priority for redundancy manager" },
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{ 0, NULL }
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};
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#endif
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static const value_string pn_mrp_sub_tlv_header_type_vals[] = {
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{ 0x00, "End" },
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{ 0x01, "MRP_TestMgrNAck" },
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{ 0x02, "MRP_TestPropagate" },
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{ 0x03, "MRP_AutoMgr" },
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{ 0, NULL },
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};
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static int
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dissect_PNMRP_Common(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item _U_)
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{
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guint16 sequence_id;
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e_guid_t uuid;
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/* MRP_SequenceID */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_sequence_id, &sequence_id);
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/* MRP_DomainUUID */
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offset = dissect_pn_uuid(tvb, offset, pinfo, tree, hf_pn_mrp_domain_uuid, &uuid);
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return offset;
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}
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static int
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dissect_PNMRP_Link(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item _U_)
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{
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guint8 mac[6];
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guint16 port_role;
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guint16 interval;
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guint16 blocked;
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proto_item *sub_item;
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/* MRP_SA */
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offset = dissect_pn_mac(tvb, offset, pinfo, tree, hf_pn_mrp_sa, mac);
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/* MRP_PortRole */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_port_role, &port_role);
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/* MRP_Interval */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, tree, hf_pn_mrp_interval, &interval, &sub_item);
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if (tree)
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{
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proto_item_append_text(sub_item," Interval for next topology change event (in ms)");
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if (interval <0x07D1)
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proto_item_append_text(sub_item," Mandatory");
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else
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proto_item_append_text(sub_item," Optional");
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}
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/* MRP_Blocked */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, tree, hf_pn_mrp_blocked, &blocked, &sub_item);
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if (tree)
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{
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if (blocked == 0)
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proto_item_append_text(sub_item," The MRC is not able to receive and forward frames to port in state blocked");
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else
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if (blocked == 1)
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proto_item_append_text(sub_item," The MRC is able to receive and forward frames to port in state blocked");
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else
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proto_item_append_text(sub_item," Reserved");
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}
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/* Padding */
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offset = dissect_pn_align4(tvb, offset, pinfo, tree);
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return offset;
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}
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static const char * mrp_Prio2msg(guint16 prio)
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{
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if (prio == 0x0000)
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return(" Highest priority redundancy manager");
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if ((prio >= 0x1000) && (prio <= 0x7000))
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return(" High priorities");
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if (prio == 0x8000)
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return(" Default priority for redundancy manager");
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if ((prio >= 0x8001) && (prio <= 0x8FFF))
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return(" Low priorities for redundancy manager");
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if ((prio >= 0x9000) && (prio <= 0x9FFF))
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return(" High priorities for redundancy manager (auto)");
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if (prio == 0xA000)
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return(" Default priority for redundancy manager (auto)");
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if ((prio >= 0xA001) && (prio <= 0xF000))
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return(" Low priorities for redundancy manager (auto)");
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if (prio ==0xFFFF)
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return(" Lowest priority for redundancy manager (auto)");
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return(" Reserved");
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}
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static int
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dissect_PNMRP_Test(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item _U_)
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{
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guint16 prio;
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guint8 mac[6];
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guint16 port_role;
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guint16 ring_state;
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guint16 transition;
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guint32 time_stamp;
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proto_item *sub_item;
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/* MRP_Prio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, tree, hf_pn_mrp_prio, &prio, &sub_item);
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if (tree)
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(prio));
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/* MRP_SA */
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offset = dissect_pn_mac(tvb, offset, pinfo, tree, hf_pn_mrp_sa, mac);
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/* MRP_PortRole */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_port_role, &port_role);
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/* MRP_RingState */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_ring_state, &ring_state);
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/* MRP_Transition */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_transition, &transition);
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/* MRP_TimeStamp */
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proto_tree_add_item_ret_uint(tree, hf_pn_mrp_time_stamp, tvb, offset, 4, ENC_BIG_ENDIAN, &time_stamp);
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offset += 4;
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/* Padding */
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offset = dissect_pn_align4(tvb, offset, pinfo, tree);
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return offset;
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}
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static int
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dissect_PNMRP_TopologyChange(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item _U_)
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{
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guint16 prio;
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guint8 mac[6];
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guint16 interval;
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proto_item *sub_item;
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/* MRP_Prio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, tree, hf_pn_mrp_prio, &prio, &sub_item);
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if (tree)
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(prio));
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/* MRP_SA */
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offset = dissect_pn_mac(tvb, offset, pinfo, tree, hf_pn_mrp_sa, mac);
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/* MRP_Interval */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, tree, hf_pn_mrp_interval, &interval, &sub_item);
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if (tree)
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{
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proto_item_append_text(sub_item," Interval for next topology change event (in ms) ");
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if (interval <0x07D1)
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proto_item_append_text(sub_item,"Mandatory");
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else
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proto_item_append_text(sub_item,"Optional");
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}
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/* Padding */
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/*offset = dissect_pn_align4(tvb, offset, pinfo, tree);*/
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return offset;
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}
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static int
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dissect_PNMRP_Ed1ManufacturerData(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, guint8 *pLength)
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{
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guint16 u16MrpEd1ManufacturerData;
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_ed1_manufacturer_data,
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&u16MrpEd1ManufacturerData);
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*pLength -= 2;
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return offset;
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}
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static int
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dissect_PNMRP_SubOption2(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree)
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{
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guint8 u8SubType;
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guint8 u8Sublength;
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proto_item *sub_item;
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proto_tree *sub_tree;
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guint16 u16Prio;
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guint16 u16OtherPrio;
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guint8 mac[6];
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guint8 otherMac[6];
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sub_item = proto_tree_add_item(tree, hf_pn_mrp_sub_option2, tvb, offset, 0, ENC_NA);
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sub_tree = proto_item_add_subtree(sub_item, ett_pn_sub_tlv);
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/*
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MRP_SubTLVHeader (Type=0x01 or Type=0x02, Length = 0x12),
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MRP_Prio,
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MRP_SA,
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MRP_OtherMRMPrio,
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MRP_OtherMRMSA,
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Padding (=0x00,0x00)
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*/
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/* MRP_SubTLVHeader.Type */
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offset = dissect_pn_uint8(tvb, offset, pinfo, sub_tree, hf_pn_mrp_sub_tlv_header_type, &u8SubType);
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/* MRP_SubTLVHeader.Length */
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offset = dissect_pn_uint8(tvb, offset, pinfo, sub_tree, hf_pn_mrp_sub_tlv_header_length, &u8Sublength);
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if (u8SubType == 0x00)
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{
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// IEC area: 0x00: MRP_End;
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return offset;
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}
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else if (u8SubType == 0x01)
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{
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// IEC area: 0x01: MRP_TestMgrNAck;
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/* MRP_Prio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, sub_tree, hf_pn_mrp_prio, &u16Prio, &sub_item);
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(u16Prio));
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/* MRP_SA */
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offset = dissect_pn_mac(tvb, offset, pinfo, sub_tree, hf_pn_mrp_sa, mac);
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/* MRP_OtherMRMPrio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, sub_tree, hf_pn_mrp_other_mrm_prio,
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&u16OtherPrio, &sub_item);
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(u16OtherPrio));
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/* MRP_OtherMRMSA */
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offset = dissect_pn_mac(tvb, offset, pinfo, sub_tree, hf_pn_mrp_other_mrm_sa, otherMac);
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offset = dissect_pn_align4(tvb, offset, pinfo, sub_tree);
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}
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else if (u8SubType == 0x02)
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{
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/* MRP_Prio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, sub_tree, hf_pn_mrp_prio, &u16Prio, &sub_item);
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(u16Prio));
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/* MRP_SA */
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offset = dissect_pn_mac(tvb, offset, pinfo, sub_tree, hf_pn_mrp_sa, mac);
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/* MRP_OtherMRMPrio */
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offset = dissect_pn_uint16_ret_item(tvb, offset, pinfo, sub_tree, hf_pn_mrp_other_mrm_prio,
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&u16OtherPrio, &sub_item);
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proto_item_append_text(sub_item, "%s", mrp_Prio2msg(u16OtherPrio));
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/* MRP_OtherMRMSA */
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offset = dissect_pn_mac(tvb, offset, pinfo, sub_tree, hf_pn_mrp_other_mrm_sa, otherMac);
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offset = dissect_pn_align4(tvb, offset, pinfo, sub_tree);
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}
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return offset;
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}
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static int
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dissect_PNMRP_Option(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item, guint8 length)
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{
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guint32 oui;
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guint8 u8MrpEd1Type;
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/* OUI (organizational unique id) */
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offset = dissect_pn_oid(tvb, offset, pinfo,tree, hf_pn_mrp_oui, &oui);
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switch (oui)
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{
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case OUI_SIEMENS:
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proto_item_append_text(item, "(SIEMENS)");
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length -= 3;
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offset = dissect_pn_uint8(tvb, offset, pinfo, tree, hf_pn_mrp_ed1type, &u8MrpEd1Type);
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length -= 1;
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switch (u8MrpEd1Type)
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{
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case 0x00:
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offset = dissect_PNMRP_Ed1ManufacturerData(tvb, offset, pinfo, tree, &length);
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break;
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case 0x01:
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case 0x02:
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case 0x03:
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break;
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case 0x04:
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offset = dissect_PNMRP_Ed1ManufacturerData(tvb, offset, pinfo, tree, &length);
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break;
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/* 0x05 to 0xFF*/
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default:
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break;
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}
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//offset = dissect_PNMRP_Ed1ManufacturerData(tvb, offset, pinfo, tree, &length);
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if (length != 0)
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{
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offset = dissect_PNMRP_SubOption2(tvb, offset, pinfo, tree);
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}
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col_append_str(pinfo->cinfo, COL_INFO, "(Siemens)");
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break;
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default:
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proto_item_append_text(item, " (Unknown-OUI)");
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offset = dissect_pn_undecoded(tvb, offset, pinfo, tree, length);
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}
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/* Padding */
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offset = dissect_pn_align4(tvb, offset, pinfo, tree);
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return offset;
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}
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static int
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dissect_PNMRP_PDU(tvbuff_t *tvb, int offset,
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packet_info *pinfo, proto_tree *tree, proto_item *item)
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{
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guint16 version;
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guint8 type;
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guint8 length;
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gint i;
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tvbuff_t *new_tvb;
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proto_item *sub_item;
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proto_tree *sub_tree;
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/* MRP_Version */
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offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_version, &version);
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/* the rest of the packet has 4byte alignment regarding to the beginning of the next TLV block! */
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/* XXX - do we have to free this new tvb below? */
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new_tvb = tvb_new_subset_remaining(tvb, offset);
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offset = 0;
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for(i=0; tvb_reported_length_remaining(tvb, offset) > 0; i++) {
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sub_item = proto_tree_add_item(tree, hf_pn_mrp_type, new_tvb, offset, 1, ENC_BIG_ENDIAN);
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sub_tree = proto_item_add_subtree(sub_item, ett_pn_mrp_type);
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/* MRP_TLVHeader.Type */
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offset = dissect_pn_uint8(new_tvb, offset, pinfo, sub_tree, hf_pn_mrp_type, &type);
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/* MRP_TLVHeader.Length */
|
|
offset = dissect_pn_uint8(new_tvb, offset, pinfo, sub_tree, hf_pn_mrp_length, &length);
|
|
|
|
if (i != 0) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, ", ");
|
|
|
|
proto_item_append_text(item, ", ");
|
|
} else {
|
|
proto_item_append_text(item, " ");
|
|
}
|
|
col_append_str(pinfo->cinfo, COL_INFO, val_to_str_const(type, pn_mrp_block_type_vals, "Unknown TLVType 0x%x"));
|
|
proto_item_append_text(item, "%s", val_to_str_const(type, pn_mrp_block_type_vals, "Unknown TLVType 0x%x"));
|
|
|
|
switch(type) {
|
|
case 0x00:
|
|
/* no content */
|
|
return offset;
|
|
break;
|
|
case 0x01:
|
|
offset = dissect_PNMRP_Common(new_tvb, offset, pinfo, sub_tree, sub_item);
|
|
break;
|
|
case 0x02:
|
|
offset = dissect_PNMRP_Test(new_tvb, offset, pinfo, sub_tree, sub_item);
|
|
break;
|
|
case 0x03:
|
|
offset = dissect_PNMRP_TopologyChange(new_tvb, offset, pinfo, sub_tree, sub_item);
|
|
break;
|
|
case 0x04:
|
|
case 0x05: /* dissection of up and down is identical! */
|
|
offset = dissect_PNMRP_Link(new_tvb, offset, pinfo, sub_tree, sub_item);
|
|
break;
|
|
case 0x7f:
|
|
offset = dissect_PNMRP_Option(new_tvb, offset, pinfo, sub_tree, sub_item, length);
|
|
break;
|
|
default:
|
|
offset = dissect_pn_undecoded(tvb, offset, pinfo, sub_tree, length);
|
|
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* Dissect MRP packets */
|
|
static int
|
|
dissect_PNMRP(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *mrp_tree = NULL;
|
|
|
|
guint32 offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PN-MRP");
|
|
|
|
/* Clear the information column on summary display */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_item(tree, proto_pn_mrp, tvb, offset, -1, ENC_NA);
|
|
mrp_tree = proto_item_add_subtree(ti, ett_pn_mrp);
|
|
}
|
|
|
|
dissect_PNMRP_PDU(tvb, offset, pinfo, mrp_tree, ti);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_pn_mrp (void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_pn_mrp_type,
|
|
{ "MRP_TLVHeader.Type", "pn_mrp.type",
|
|
FT_UINT8, BASE_HEX, VALS(pn_mrp_block_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_length,
|
|
{ "MRP_TLVHeader.Length", "pn_mrp.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_version,
|
|
{ "MRP_Version", "pn_mrp.version",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_sequence_id,
|
|
{ "MRP_SequenceID", "pn_mrp.sequence_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Unique sequence number to each outstanding service request", HFILL }},
|
|
|
|
{ &hf_pn_mrp_sa,
|
|
{ "MRP_SA", "pn_mrp.sa",
|
|
FT_ETHER, BASE_NONE, 0x0, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_prio,
|
|
{ "MRP_Prio", "pn_mrp.prio",
|
|
FT_UINT16, BASE_HEX, 0, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_port_role,
|
|
{ "MRP_PortRole", "pn_mrp.port_role",
|
|
FT_UINT16, BASE_HEX, VALS(pn_mrp_port_role_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_ring_state,
|
|
{ "MRP_RingState", "pn_mrp.ring_state",
|
|
FT_UINT16, BASE_HEX, VALS(pn_mrp_ring_state_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_interval,
|
|
{ "MRP_Interval", "pn_mrp.interval",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Interval for next topology change event (in ms)", HFILL }},
|
|
|
|
{ &hf_pn_mrp_transition,
|
|
{ "MRP_Transition", "pn_mrp.transition",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Number of transitions between media redundancy lost and ok states", HFILL }},
|
|
|
|
{ &hf_pn_mrp_time_stamp,
|
|
{ "MRP_TimeStamp [ms]", "pn_mrp.time_stamp",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Actual counter value of 1ms counter", HFILL }},
|
|
|
|
{ &hf_pn_mrp_blocked,
|
|
{ "MRP_Blocked", "pn_mrp.blocked",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_domain_uuid,
|
|
{ "MRP_DomainUUID", "pn_mrp.domain_uuid",
|
|
FT_GUID, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_oui,
|
|
{ "MRP_ManufacturerOUI", "pn_mrp.oui",
|
|
FT_UINT24, BASE_HEX, VALS(pn_mrp_oui_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_ed1type,
|
|
{ "MRP_Ed1Type", "pn_mrp.ed1type",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_ed1_manufacturer_data,
|
|
{ "MRP_Ed1ManufacturerData", "pn_mrp.ed1manufacturerdata",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_sub_option2,
|
|
{ "MRP_SubOption2", "pn_mrp.sub_option2",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL } },
|
|
|
|
{ &hf_pn_mrp_sub_tlv_header_type,
|
|
{ "MRP_SubTLVHeader.Type", "pn_mrp.sub_type",
|
|
FT_UINT8, BASE_HEX, VALS(pn_mrp_sub_tlv_header_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_sub_tlv_header_length,
|
|
{ "MRP_SubTLVHeader.Length", "pn_mrp.sub_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_other_mrm_prio,
|
|
{ "MRP_OtherMRMPrio", "pn_mrp.other_mrm_prio",
|
|
FT_UINT16, BASE_HEX, 0, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_pn_mrp_other_mrm_sa,
|
|
{ "MRP_OtherMRMSA", "pn_mrp.other_mrm_sa",
|
|
FT_ETHER, BASE_NONE, 0x0, 0x0,
|
|
NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_pn_mrp,
|
|
&ett_pn_mrp_type,
|
|
&ett_pn_sub_tlv
|
|
};
|
|
|
|
proto_pn_mrp = proto_register_protocol ("PROFINET MRP", "PN-MRP", "pn_mrp");
|
|
proto_register_field_array (proto_pn_mrp, hf, array_length (hf));
|
|
proto_register_subtree_array (ett, array_length (ett));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_pn_mrp (void)
|
|
{
|
|
dissector_handle_t mrp_handle;
|
|
|
|
|
|
mrp_handle = create_dissector_handle(dissect_PNMRP,proto_pn_mrp);
|
|
dissector_add_uint("ethertype", ETHERTYPE_MRP, mrp_handle);
|
|
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|