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|
/* packet-elmi.c
* Routines for Ethernet Local Management Interface (E-LMI) dissection
* Copyright 2014, Martin Kaiser <martin@kaiser.cx>
*
* based on a dissector written in lua
* Copyright 2013, Werner Fischer (fischer-interactive.de)
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* E-LMI is defined in the MEF16 specification from Metro Ethernet Forum
http://www.metroethernetforum.org/PDF_Documents/technical-specifications/MEF16.pdf */
#include "config.h"
#include <epan/packet.h>
#include <epan/etypes.h>
#include <epan/tfs.h>
static int proto_elmi;
void proto_register_elmi(void);
void proto_reg_handoff_elmi(void);
static dissector_handle_t elmi_handle;
static int ett_elmi;
static int ett_elmi_info_elem;
static int ett_elmi_sub_info_elem;
static int hf_elmi_ver;
static int hf_elmi_msg_type;
static int hf_elmi_info_elem;
static int hf_elmi_info_elem_len;
static int hf_elmi_report_type;
static int hf_elmi_snd_seq_num;
static int hf_elmi_rcv_seq_num;
static int hf_elmi_dat_inst;
static int hf_elmi_reserved;
static int hf_elmi_uni_status;
static int hf_elmi_evc_refid;
static int hf_elmi_evc_status;
static int hf_last_ie;
static int hf_map_seq;
static int hf_priority;
static int hf_default_evc;
static int hf_elmi_sub_info_elem;
static int hf_elmi_sub_info_elem_len;
static int hf_elmi_uni_id;
static int hf_elmi_evc_type;
static int hf_elmi_evc_id;
static int hf_elmi_ce_vlan_id;
static int hf_elmi_sub_info_color_mode_flag;
static int hf_elmi_sub_info_coupling_flag;
static int hf_elmi_sub_info_per_cos_bit;
static int hf_elmi_sub_cir_magnitude;
static int hf_elmi_sub_cir_multiplier;
static int hf_elmi_sub_cbs_magnitude;
static int hf_elmi_sub_cbs_multiplier;
static int hf_elmi_sub_eir_magnitude;
static int hf_elmi_sub_eir_multiplier;
static int hf_elmi_sub_ebs_magnitude;
static int hf_elmi_sub_ebs_multiplier;
static int hf_elmi_sub_user_prio_0;
static int hf_elmi_sub_user_prio_1;
static int hf_elmi_sub_user_prio_2;
static int hf_elmi_sub_user_prio_3;
static int hf_elmi_sub_user_prio_4;
static int hf_elmi_sub_user_prio_5;
static int hf_elmi_sub_user_prio_6;
static int hf_elmi_sub_user_prio_7;
static const value_string elmi_msg_type[] = {
{ 0x75, "Status enquiry" },
{ 0x7D, "Status" },
{ 0, NULL }
};
#define TAG_REPORT_TYPE 0x01
#define TAG_SEQ_NUM 0x02
#define TAG_DATA_INST 0x03
#define TAG_UNI_STATUS 0x11
#define TAG_EVC_STATUS 0x21
#define TAG_VLAN_EVC 0x22
static const value_string elmi_info_elem_tag[] = {
{ TAG_REPORT_TYPE, "Report type" },
{ TAG_SEQ_NUM, "Sequence numbers" },
{ TAG_DATA_INST, "Data instance" },
{ TAG_UNI_STATUS, "UNI Status" },
{ TAG_EVC_STATUS, "EVC Status" },
{ TAG_VLAN_EVC, "CE-VLAN ID/EVC Map" },
{ 0, NULL }
};
static const value_string elmi_report_type[] = {
{ 0x00, "Full status" },
{ 0x01, "E-LMI check" },
{ 0x02, "Single EVC async status" },
{ 0x03, "Full status continued" },
{ 0, NULL }
};
#define SUB_TAG_UNI_ID 0x51
#define SUB_TAG_EVC_PRM 0x61
#define SUB_TAG_EVC_ID 0x62
#define SUB_TAG_EVC_MAP 0x63
#define SUB_TAG_BW_PRO 0x71
static const value_string elmi_sub_info_elem_tag[] = {
{ SUB_TAG_UNI_ID, "UNI Identifier" },
{ SUB_TAG_EVC_PRM, "EVC Parameters" },
{ SUB_TAG_EVC_ID, "EVC Identifier" },
{ SUB_TAG_EVC_MAP, "EVC Map Entry" },
{ SUB_TAG_BW_PRO, "Bandwidth Profile" },
{ 0, NULL }
};
static const value_string elmi_vlan_id_evc_map_type[] = {
{ 0x01, "All to one binding" },
{ 0x02, "Service Multiplexing with no bundling" },
{ 0x03, "Bundling" },
{ 0, NULL }
};
static const value_string elmi_evc_status_type[] = {
{ 0x00, "Not Active" },
{ 0x01, "New and Not Active" },
{ 0x02, "Active" },
{ 0x03, "New and Active" },
{ 0x04, "Partially Active" },
{ 0x05, "New and Partially Active" },
{ 0, NULL }
};
static const value_string elmi_evc_type[] = {
{ 0x00, "Point-to-Point EVC" },
{ 0x01, "Multipoint-to-Multipoint EVC" },
{ 0, NULL }
};
static int
dissect_elmi_sub_info_elem(
tvbuff_t *tvb, int offset, proto_tree *tree)
{
int offset_start;
uint8_t sub_tag, len;
proto_item *tree_pi;
proto_tree *sub_info_elem_tree = tree;
offset_start = offset;
sub_tag = tvb_get_uint8(tvb, offset);
len = tvb_get_uint8(tvb, offset + 1);
sub_info_elem_tree = proto_tree_add_subtree_format(
tree, tvb, offset, len + 2, ett_elmi_sub_info_elem, &tree_pi,
"Sub-information element: %s", val_to_str_const(sub_tag, elmi_sub_info_elem_tag, "unknown"));
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_elem, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_elem_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
switch (sub_tag) {
case SUB_TAG_UNI_ID:
proto_tree_add_item(sub_info_elem_tree, hf_elmi_uni_id, tvb, offset, len, ENC_ASCII);
offset += len;
break;
case SUB_TAG_EVC_PRM:
proto_tree_add_item(sub_info_elem_tree, hf_elmi_evc_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
break;
case SUB_TAG_EVC_ID:
proto_tree_add_item(sub_info_elem_tree, hf_elmi_evc_id, tvb, offset, len, ENC_ASCII);
offset += len;
break;
case SUB_TAG_EVC_MAP:
while(offset < (offset_start + len + 2)) {
proto_tree_add_item(sub_info_elem_tree, hf_elmi_ce_vlan_id, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}
break;
case SUB_TAG_BW_PRO:
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_color_mode_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_coupling_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_info_per_cos_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cir_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cir_multiplier, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cbs_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_cbs_multiplier, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_eir_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_eir_multiplier, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_ebs_magnitude, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_ebs_multiplier, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_0, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_1, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_2, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_3, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_4, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_5, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_6, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sub_info_elem_tree, hf_elmi_sub_user_prio_7, tvb, offset, 1, ENC_BIG_ENDIAN);
offset ++;
break;
default:
offset += len;
break;
}
proto_item_set_len(tree_pi, offset-offset_start);
return offset-offset_start;
}
static int
dissect_elmi_info_elem(
tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
{
int offset_start;
uint8_t tag, len, ret;
proto_item *tree_pi;
proto_tree *info_elem_tree;
offset_start = offset;
tag = tvb_get_uint8(tvb, offset);
if (tag==0)
return -1;
info_elem_tree = proto_tree_add_subtree_format(
tree, tvb, offset, -1, ett_elmi_info_elem, &tree_pi,
"Information element: %s", val_to_str_const(tag, elmi_info_elem_tag, "unknown"));
proto_tree_add_item(info_elem_tree, hf_elmi_info_elem,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
len = tvb_get_uint8(tvb, offset);
proto_tree_add_item(info_elem_tree, hf_elmi_info_elem_len,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
switch (tag) {
case TAG_REPORT_TYPE:
proto_tree_add_item(info_elem_tree, hf_elmi_report_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
break;
case TAG_SEQ_NUM:
proto_tree_add_item(info_elem_tree, hf_elmi_snd_seq_num,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(info_elem_tree, hf_elmi_rcv_seq_num,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
break;
case TAG_DATA_INST:
proto_tree_add_item(info_elem_tree, hf_elmi_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(info_elem_tree, hf_elmi_dat_inst,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset+=4;
break;
case TAG_UNI_STATUS:
proto_tree_add_item(info_elem_tree, hf_elmi_uni_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
while(offset < (offset_start + len + 2)) {
ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
if (ret<=0)
break;
offset += ret;
}
break;
case TAG_EVC_STATUS:
proto_tree_add_item(info_elem_tree, hf_elmi_evc_refid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset+=2;
proto_tree_add_item(info_elem_tree, hf_elmi_evc_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
while(offset < (offset_start + len + 2)) {
ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
if (ret<=0)
break;
offset += ret;
}
break;
case TAG_VLAN_EVC:
proto_tree_add_item(info_elem_tree, hf_elmi_evc_refid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset+=2;
proto_tree_add_item(info_elem_tree, hf_last_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(info_elem_tree, hf_map_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
proto_tree_add_item(info_elem_tree, hf_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(info_elem_tree, hf_default_evc, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
while(offset < (offset_start + len + 2)) {
ret = dissect_elmi_sub_info_elem(tvb, offset, info_elem_tree);
if (ret<=0)
break;
offset += ret;
}
break;
default:
offset += len;
break;
}
proto_item_set_len(tree_pi, offset-offset_start);
return offset-offset_start;
}
static int
dissect_elmi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_item *pi;
proto_tree *elmi_tree;
int offset=0;
uint8_t msg_type;
int ret;
col_clear(pinfo->cinfo, COL_INFO);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "E-LMI");
pi = proto_tree_add_protocol_format(tree, proto_elmi,
tvb, 0, tvb_captured_length(tvb),
"Ethernet Local Management Interface (E-LMI)");
elmi_tree = proto_item_add_subtree(pi, ett_elmi);
proto_tree_add_item(elmi_tree, hf_elmi_ver, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
msg_type = tvb_get_uint8(tvb, offset);
proto_tree_add_item(elmi_tree, hf_elmi_msg_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
col_append_str(pinfo->cinfo, COL_INFO,
val_to_str(msg_type, elmi_msg_type, "unknown (0x%x)"));
offset++;
while (tvb_reported_length_remaining(tvb, offset) > 0) {
ret = dissect_elmi_info_elem(tvb, offset, pinfo, elmi_tree);
if (ret<=0)
break;
offset += ret;
}
/* XXX - can we make the eth dissector handle our (standard) padding
* and FCS? */
return tvb_captured_length(tvb);
}
void
proto_register_elmi(void)
{
static hf_register_info hf[] = {
{ &hf_elmi_ver,
{ "Version", "elmi.version", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_msg_type,
{ "Message type", "elmi.message_type", FT_UINT8, BASE_HEX,
VALS(elmi_msg_type), 0, NULL, HFILL } },
{ &hf_elmi_info_elem,
{ "Tag", "elmi.info_element.tag", FT_UINT8, BASE_HEX,
VALS(elmi_info_elem_tag), 0, NULL, HFILL } },
{ &hf_elmi_info_elem_len,
{ "Length", "elmi.info_element.length", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_report_type,
{ "Report type", "elmi.report_type", FT_UINT8, BASE_DEC,
VALS(elmi_report_type), 0, NULL, HFILL } },
{ &hf_elmi_snd_seq_num,
{ "Send sequence number", "elmi.snd_seq_num", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_rcv_seq_num,
{ "Receive sequence number", "elmi.rcv_seq_num", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_dat_inst,
{ "Data instance", "elmi.data_instance", FT_UINT32, BASE_HEX,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_reserved,
{ "Reserved", "elmi.reserved", FT_UINT8, BASE_HEX,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_uni_status,
{ "CE-VLAN ID/EVC Map Type", "elmi.map_type", FT_UINT8, BASE_HEX,
VALS(elmi_vlan_id_evc_map_type), 0, NULL, HFILL } },
{ &hf_elmi_evc_refid,
{ "EVC Reference Id", "elmi.evc.refid", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_evc_status,
{ "EVC Status Type", "elmi.evc.status", FT_UINT8, BASE_HEX,
VALS(elmi_evc_status_type), 0x7, NULL, HFILL } },
{ &hf_last_ie,
{ "Last Information Element", "elmi.map.last_ie", FT_BOOLEAN, 8,
TFS(&tfs_yes_no), 0x40, NULL, HFILL } },
{ &hf_map_seq,
{ "CE-VLAN ID/EVC Map Sequence", "elmi.map.seq", FT_UINT8, BASE_DEC,
NULL, 0x3F, NULL, HFILL } },
{ &hf_priority,
{ "Priority Tagged", "elmi.map.priority", FT_BOOLEAN, 8,
TFS(&tfs_yes_no), 0x2, NULL, HFILL } },
{ &hf_default_evc,
{ "Default EVC", "elmi.map.evc", FT_BOOLEAN, 8,
TFS(&tfs_set_notset), 0x1, NULL, HFILL } },
{ &hf_elmi_sub_info_elem,
{ "Sub-Info Element", "elmi.sub_info.tag", FT_UINT8, BASE_HEX,
VALS(elmi_sub_info_elem_tag), 0, NULL, HFILL } },
{ &hf_elmi_sub_info_elem_len,
{ "Sub-Info Length", "elmi.sub_info.len", FT_UINT8, BASE_DEC,
NULL, 0, NULL, HFILL } },
{ &hf_elmi_uni_id,
{ "UNI Identifier", "elmi.sub_info.uni_id", FT_STRING, BASE_NONE,
NULL, 0, NULL, HFILL } },
{ &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 int *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));
elmi_handle = register_dissector("elmi", dissect_elmi, proto_elmi);
}
void
proto_reg_handoff_elmi(void)
{
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:
*/
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