forked from osmocom/wireshark
539 lines
20 KiB
C
539 lines
20 KiB
C
/* packet-elmi.c
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* Routines for Ethernet Local Management Interface (E-LMI) dissection
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* Copyright 2014, Martin Kaiser <martin@kaiser.cx>
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*
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* based on a dissector written in lua
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* Copyright 2013, Werner Fischer (fischer-interactive.de)
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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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/* E-LMI is defined in the MEF16 specification from Metro Ethernet Forum
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http://www.metroethernetforum.org/PDF_Documents/technical-specifications/MEF16.pdf */
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/etypes.h>
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static int proto_elmi = -1;
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void proto_register_elmi(void);
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void proto_reg_handoff_elmi(void);
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static gint ett_elmi = -1;
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static gint ett_elmi_info_elem = -1;
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static gint ett_elmi_sub_info_elem = -1;
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static int hf_elmi_ver = -1;
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static int hf_elmi_msg_type = -1;
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static int hf_elmi_info_elem = -1;
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static int hf_elmi_info_elem_len = -1;
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static int hf_elmi_report_type = -1;
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static int hf_elmi_snd_seq_num = -1;
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static int hf_elmi_rcv_seq_num = -1;
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static int hf_elmi_dat_inst = -1;
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static int hf_elmi_reserved = -1;
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static int hf_elmi_uni_status = -1;
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static int hf_elmi_evc_refid = -1;
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static int hf_elmi_evc_status = -1;
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static int hf_last_ie = -1;
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static int hf_map_seq = -1;
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static int hf_priority = -1;
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static int hf_default_evc = -1;
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static int hf_elmi_sub_info_elem = -1;
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static int hf_elmi_sub_info_elem_len = -1;
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static int hf_elmi_uni_id = -1;
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static int hf_elmi_evc_type = -1;
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static int hf_elmi_evc_id = -1;
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static int hf_elmi_ce_vlan_id = -1;
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static int hf_elmi_sub_info_color_mode_flag = -1;
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static int hf_elmi_sub_info_coupling_flag = -1;
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static int hf_elmi_sub_info_per_cos_bit = -1;
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static int hf_elmi_sub_cir_magnitude = -1;
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static int hf_elmi_sub_cir_multiplier = -1;
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static int hf_elmi_sub_cbs_magnitude = -1;
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static int hf_elmi_sub_cbs_multiplier = -1;
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static int hf_elmi_sub_eir_magnitude = -1;
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static int hf_elmi_sub_eir_multiplier = -1;
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static int hf_elmi_sub_ebs_magnitude = -1;
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static int hf_elmi_sub_ebs_multiplier = -1;
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static int hf_elmi_sub_user_prio_0 = -1;
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static int hf_elmi_sub_user_prio_1 = -1;
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static int hf_elmi_sub_user_prio_2 = -1;
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static int hf_elmi_sub_user_prio_3 = -1;
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static int hf_elmi_sub_user_prio_4 = -1;
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static int hf_elmi_sub_user_prio_5 = -1;
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static int hf_elmi_sub_user_prio_6 = -1;
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static int hf_elmi_sub_user_prio_7 = -1;
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static const value_string elmi_msg_type[] = {
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{ 0x75, "Status enquiry" },
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{ 0x7D, "Status" },
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{ 0, NULL }
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};
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#define TAG_REPORT_TYPE 0x01
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#define TAG_SEQ_NUM 0x02
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#define TAG_DATA_INST 0x03
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#define TAG_UNI_STATUS 0x11
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#define TAG_EVC_STATUS 0x21
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#define TAG_VLAN_EVC 0x22
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static const value_string elmi_info_elem_tag[] = {
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{ TAG_REPORT_TYPE, "Report type" },
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{ TAG_SEQ_NUM, "Sequence numbers" },
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{ TAG_DATA_INST, "Data instance" },
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{ TAG_UNI_STATUS, "UNI Status" },
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{ TAG_EVC_STATUS, "EVC Status" },
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{ TAG_VLAN_EVC, "CE-VLAN ID/EVC Map" },
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{ 0, NULL }
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};
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static const value_string elmi_report_type[] = {
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{ 0x00, "Full status" },
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{ 0x01, "E-LMI check" },
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{ 0x02, "Single EVC async status" },
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{ 0x03, "Full status continued" },
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{ 0, NULL }
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};
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#define SUB_TAG_UNI_ID 0x51
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#define SUB_TAG_EVC_PRM 0x61
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#define SUB_TAG_EVC_ID 0x62
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#define SUB_TAG_EVC_MAP 0x63
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#define SUB_TAG_BW_PRO 0x71
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static const value_string elmi_sub_info_elem_tag[] = {
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{ SUB_TAG_UNI_ID, "UNI Identifier" },
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{ SUB_TAG_EVC_PRM, "EVC Parameters" },
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{ SUB_TAG_EVC_ID, "EVC Identifier" },
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{ SUB_TAG_EVC_MAP, "EVC Map Entry" },
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{ SUB_TAG_BW_PRO, "Bandwidth Profile" },
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{ 0, NULL }
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};
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static const value_string elmi_vlan_id_evc_map_type[] = {
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{ 0x01, "All to one binding" },
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{ 0x02, "Service Multiplexing with no bundling" },
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{ 0x03, "Bundling" },
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{ 0, NULL }
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};
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static const value_string elmi_evc_status_type[] = {
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{ 0x00, "Not Active" },
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{ 0x01, "New and Not Active" },
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{ 0x02, "Active" },
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{ 0x03, "New and Active" },
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{ 0x04, "Partially Active" },
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{ 0x05, "New and Partially Active" },
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{ 0, NULL }
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};
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static const value_string elmi_evc_type[] = {
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{ 0x00, "Point-to-Point EVC" },
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{ 0x01, "Multipoint-to-Multipoint EVC" },
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{ 0, NULL }
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};
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static gint
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dissect_elmi_sub_info_elem(
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tvbuff_t *tvb, gint offset, proto_tree *tree)
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{
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gint offset_start;
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guint8 sub_tag, len;
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proto_item *tree_pi;
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proto_tree *sub_info_elem_tree = tree;
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offset_start = offset;
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sub_tag = tvb_get_guint8(tvb, offset);
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len = tvb_get_guint8(tvb, offset + 1);
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sub_info_elem_tree = proto_tree_add_subtree_format(
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tree, tvb, offset, len + 2, ett_elmi_sub_info_elem, &tree_pi,
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"Sub-information element: %s", val_to_str_const(sub_tag, elmi_sub_info_elem_tag, "unknown"));
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_elem, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_elem_len, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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switch (sub_tag) {
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case SUB_TAG_UNI_ID:
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_uni_id, tvb, offset, len, ENC_ASCII);
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offset += len;
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break;
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case SUB_TAG_EVC_PRM:
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_evc_type, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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break;
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case SUB_TAG_EVC_ID:
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_evc_id, tvb, offset, len, ENC_ASCII);
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offset += len;
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break;
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case SUB_TAG_EVC_MAP:
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while(offset < (offset_start + len + 2)) {
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_ce_vlan_id, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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}
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break;
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case SUB_TAG_BW_PRO:
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_color_mode_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_coupling_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_per_cos_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cir_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cir_multiplier, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cbs_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cbs_multiplier, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_eir_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_eir_multiplier, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_ebs_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_ebs_multiplier, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_0, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_1, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_2, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_3, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_4, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_5, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_6, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_7, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset ++;
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break;
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default:
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offset += len;
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break;
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}
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proto_item_set_len(tree_pi, offset-offset_start);
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return offset-offset_start;
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}
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static gint
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dissect_elmi_info_elem(
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tvbuff_t *tvb, gint offset, packet_info *pinfo _U_, proto_tree *tree)
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{
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gint offset_start;
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guint8 tag, len, ret;
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proto_item *tree_pi;
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proto_tree *info_elem_tree;
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offset_start = offset;
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tag = tvb_get_guint8(tvb, offset);
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if (tag==0)
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return -1;
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info_elem_tree = proto_tree_add_subtree_format(
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tree, tvb, offset, -1, ett_elmi_info_elem, &tree_pi,
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"Information element: %s", val_to_str_const(tag, elmi_info_elem_tag, "unknown"));
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proto_tree_add_item(info_elem_tree, hf_elmi_info_elem,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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len = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(info_elem_tree, hf_elmi_info_elem_len,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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switch (tag) {
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case TAG_REPORT_TYPE:
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proto_tree_add_item(info_elem_tree, hf_elmi_report_type,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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break;
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case TAG_SEQ_NUM:
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proto_tree_add_item(info_elem_tree, hf_elmi_snd_seq_num,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(info_elem_tree, hf_elmi_rcv_seq_num,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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break;
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case TAG_DATA_INST:
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proto_tree_add_item(info_elem_tree, hf_elmi_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(info_elem_tree, hf_elmi_dat_inst,
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tvb, offset, 4, ENC_BIG_ENDIAN);
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offset+=4;
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break;
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case TAG_UNI_STATUS:
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proto_tree_add_item(info_elem_tree, hf_elmi_uni_status, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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while(offset < (offset_start + len + 2)) {
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ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
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if (ret<=0)
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break;
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offset += ret;
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}
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break;
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case TAG_EVC_STATUS:
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proto_tree_add_item(info_elem_tree, hf_elmi_evc_refid, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset+=2;
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proto_tree_add_item(info_elem_tree, hf_elmi_evc_status, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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while(offset < (offset_start + len + 2)) {
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ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
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if (ret<=0)
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break;
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offset += ret;
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}
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break;
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case TAG_VLAN_EVC:
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proto_tree_add_item(info_elem_tree, hf_elmi_evc_refid, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset+=2;
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proto_tree_add_item(info_elem_tree, hf_last_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(info_elem_tree, hf_map_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(info_elem_tree, hf_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(info_elem_tree, hf_default_evc, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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while(offset < (offset_start + len + 2)) {
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ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
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if (ret<=0)
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break;
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offset += ret;
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}
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break;
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default:
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offset += len;
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break;
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}
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proto_item_set_len(tree_pi, offset-offset_start);
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return offset-offset_start;
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}
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static int
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dissect_elmi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_item *pi;
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proto_tree *elmi_tree;
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gint offset=0;
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guint8 msg_type;
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gint ret;
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col_clear(pinfo->cinfo, COL_INFO);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "E-LMI");
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pi = proto_tree_add_protocol_format(tree, proto_elmi,
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tvb, 0, tvb_captured_length(tvb),
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"Ethernet Local Management Interface (E-LMI)");
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elmi_tree = proto_item_add_subtree(pi, ett_elmi);
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proto_tree_add_item(elmi_tree, hf_elmi_ver, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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msg_type = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(elmi_tree, hf_elmi_msg_type,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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col_append_str(pinfo->cinfo, COL_INFO,
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val_to_str(msg_type, elmi_msg_type, "unknown (0x%x)"));
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offset++;
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while (tvb_reported_length_remaining(tvb, offset) > 0) {
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ret = dissect_elmi_info_elem(tvb, offset, pinfo, elmi_tree);
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if (ret<=0)
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break;
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offset += ret;
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}
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/* XXX - can we make the eth dissector handle our (standard) padding
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* and FCS? */
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return tvb_captured_length(tvb);
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}
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void
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proto_register_elmi(void)
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{
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static hf_register_info hf[] = {
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{ &hf_elmi_ver,
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{ "Version", "elmi.version", FT_UINT8, BASE_DEC,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_msg_type,
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{ "Message type", "elmi.message_type", FT_UINT8, BASE_HEX,
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VALS(elmi_msg_type), 0, NULL, HFILL } },
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{ &hf_elmi_info_elem,
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{ "Tag", "elmi.info_element.tag", FT_UINT8, BASE_HEX,
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VALS(elmi_info_elem_tag), 0, NULL, HFILL } },
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{ &hf_elmi_info_elem_len,
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{ "Length", "elmi.info_element.length", FT_UINT8, BASE_DEC,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_report_type,
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{ "Report type", "elmi.report_type", FT_UINT8, BASE_DEC,
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VALS(elmi_report_type), 0, NULL, HFILL } },
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{ &hf_elmi_snd_seq_num,
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{ "Send sequence number", "elmi.snd_seq_num", FT_UINT8, BASE_DEC,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_rcv_seq_num,
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{ "Receive sequence number", "elmi.rcv_seq_num", FT_UINT8, BASE_DEC,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_dat_inst,
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{ "Data instance", "elmi.data_instance", FT_UINT32, BASE_HEX,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_reserved,
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{ "Reserved", "elmi.reserved", FT_UINT8, BASE_HEX,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_uni_status,
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{ "CE-VLAN ID/EVC Map Type", "elmi.map_type", FT_UINT8, BASE_HEX,
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VALS(elmi_vlan_id_evc_map_type), 0, NULL, HFILL } },
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{ &hf_elmi_evc_refid,
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{ "EVC Reference Id", "elmi.evc.refid", FT_UINT16, BASE_DEC,
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NULL, 0, NULL, HFILL } },
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{ &hf_elmi_evc_status,
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{ "EVC Status Type", "elmi.evc.status", FT_UINT8, BASE_HEX,
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VALS(elmi_evc_status_type), 0x7, NULL, HFILL } },
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{ &hf_last_ie,
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{ "Last Information Element", "elmi.map.last_ie", FT_BOOLEAN, 8,
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TFS(&tfs_yes_no), 0x40, NULL, HFILL } },
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{ &hf_map_seq,
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{ "CE-VLAN ID/EVC Map Sequence", "elmi.map.seq", FT_UINT8, BASE_DEC,
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NULL, 0x3F, NULL, HFILL } },
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{ &hf_priority,
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{ "Priority Tagged", "elmi.map.priority", FT_BOOLEAN, 8,
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TFS(&tfs_yes_no), 0x2, NULL, HFILL } },
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{ &hf_default_evc,
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{ "Default EVC", "elmi.map.evc", FT_BOOLEAN, 8,
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TFS(&tfs_set_notset), 0x1, NULL, HFILL } },
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{ &hf_elmi_sub_info_elem,
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{ "Sub-Info Element :", "elmi.sub_info.tag", FT_UINT8, BASE_HEX,
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VALS(elmi_sub_info_elem_tag), 0, NULL, HFILL } },
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{ &hf_elmi_sub_info_elem_len,
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{ "Sub-Info Length", "elmi.sub_info.len", FT_UINT8, BASE_DEC,
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|
NULL, 0, NULL, HFILL } },
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|
{ &hf_elmi_uni_id,
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{ "UNI Identifier", "elmi.sub_info.uni_id", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
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|
{ &hf_elmi_evc_type,
|
|
{ "EVC Type", "elmi.sub_info.evc_type", FT_UINT8, BASE_DEC,
|
|
VALS(elmi_evc_type), 0x7, NULL, HFILL } },
|
|
{ &hf_elmi_evc_id,
|
|
{ "EVC Identifier", "elmi.sub_info.evc_id", FT_STRING, BASE_NONE,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_ce_vlan_id,
|
|
{ "CE-VLAN ID", "elmi.sub_info.vlan_id", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_info_color_mode_flag,
|
|
{ "Color Mode Flag", "elmi.sub_info.color_mode_flag", FT_BOOLEAN, 8,
|
|
TFS(&tfs_set_notset), 0x4, NULL, HFILL } },
|
|
{ &hf_elmi_sub_info_coupling_flag,
|
|
{ "Coupling Flag", "elmi.sub_info.coupling_flag", FT_BOOLEAN, 8,
|
|
TFS(&tfs_set_notset), 0x2, NULL, HFILL } },
|
|
{ &hf_elmi_sub_info_per_cos_bit,
|
|
{ "Per CoS bit values", "elmi.sub_info.per_cos_bit", FT_BOOLEAN, 8,
|
|
TFS(&tfs_used_notused), 0x1, NULL, HFILL } },
|
|
{ &hf_elmi_sub_cir_magnitude,
|
|
{ "CIR Magnitude", "elmi.sub_info.cir_mag", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_cir_multiplier,
|
|
{ "CIR Multiplier", "elmi.sub_info.cir_mult", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_cbs_magnitude,
|
|
{ "CBS Magnitude", "elmi.sub_info.cbs_mag", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_cbs_multiplier,
|
|
{ "CBS Multiplier", "elmi.sub_info.cbs_mult", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_eir_magnitude,
|
|
{ "EIR Magnitude", "elmi.sub_info.eir_mag", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_eir_multiplier,
|
|
{ "EIR Multiplier", "elmi.sub_info.eir_mult", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_ebs_magnitude,
|
|
{ "EBS Magnitude", "elmi.sub_info.ebs_mag", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_ebs_multiplier,
|
|
{ "EBS Multiplier", "elmi.sub_info.ebs_mult", FT_UINT8, BASE_DEC,
|
|
NULL, 0, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_0,
|
|
{ "User Priority 0", "elmi.sub_info.bw_prio0", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x1, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_1,
|
|
{ "User Priority 1", "elmi.sub_info.bw_prio1", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x2, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_2,
|
|
{ "User Priority 2", "elmi.sub_info.bw_prio2", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x4, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_3,
|
|
{ "User Priority 3", "elmi.sub_info.bw_prio3", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x8, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_4,
|
|
{ "User Priority 4", "elmi.sub_info.bw_prio4", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x10, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_5,
|
|
{ "User Priority 5", "elmi.sub_info.bw_prio5", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x20, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_6,
|
|
{ "User Priority 6", "elmi.sub_info.bw_prio6", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x40, NULL, HFILL } },
|
|
{ &hf_elmi_sub_user_prio_7,
|
|
{ "User Priority 7", "elmi.sub_info.bw_prio7", FT_BOOLEAN, 8,
|
|
TFS(&tfs_applicable_not_applicable), 0x80, NULL, HFILL } },
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_elmi,
|
|
&ett_elmi_info_elem,
|
|
&ett_elmi_sub_info_elem
|
|
};
|
|
|
|
|
|
proto_elmi = proto_register_protocol(
|
|
"Ethernet Local Management Interface", "E-LMI", "elmi");
|
|
|
|
proto_register_field_array(proto_elmi, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_elmi(void)
|
|
{
|
|
dissector_handle_t elmi_handle;
|
|
|
|
elmi_handle = create_dissector_handle(dissect_elmi, proto_elmi);
|
|
dissector_add_uint("ethertype", ETHERTYPE_ELMI, elmi_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:
|
|
*/
|