forked from osmocom/wireshark
945 lines
38 KiB
C
945 lines
38 KiB
C
/* packet-erf.c
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* Routines for ERF encapsulation 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <epan/packet.h>
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/*
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#include "wiretap/atm.h"
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*/
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#include "wiretap/erf.h"
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#include "epan/prefs.h"
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#include "packet-erf.h"
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/* Initialize the protocol and registered fields */
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static int proto_erf = -1;
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static int hf_erf_ts = -1;
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static int hf_erf_type = -1;
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static int hf_erf_flags = -1;
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static int hf_erf_flags_cap = -1;
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static int hf_erf_flags_vlen = -1;
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static int hf_erf_flags_trunc = -1;
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static int hf_erf_flags_rxe = -1;
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static int hf_erf_flags_dse = -1;
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static int hf_erf_flags_res = -1;
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static int hf_erf_rlen = -1;
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static int hf_erf_lctr = -1;
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static int hf_erf_wlen = -1;
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/* MC HDLC Header */
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static int hf_erf_mc_hdlc_cn = -1;
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static int hf_erf_mc_hdlc_res1 = -1;
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static int hf_erf_mc_hdlc_res2 = -1;
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static int hf_erf_mc_hdlc_fcse = -1;
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static int hf_erf_mc_hdlc_sre = -1;
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static int hf_erf_mc_hdlc_lre = -1;
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static int hf_erf_mc_hdlc_afe = -1;
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static int hf_erf_mc_hdlc_oe = -1;
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static int hf_erf_mc_hdlc_lbe = -1;
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static int hf_erf_mc_hdlc_first = -1;
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static int hf_erf_mc_hdlc_res3 = -1;
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/* MC RAW Header */
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static int hf_erf_mc_raw_int = -1;
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static int hf_erf_mc_raw_res1 = -1;
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static int hf_erf_mc_raw_res2 = -1;
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static int hf_erf_mc_raw_res3 = -1;
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static int hf_erf_mc_raw_sre = -1;
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static int hf_erf_mc_raw_lre = -1;
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static int hf_erf_mc_raw_res4 = -1;
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static int hf_erf_mc_raw_lbe = -1;
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static int hf_erf_mc_raw_first = -1;
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static int hf_erf_mc_raw_res5 = -1;
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/* MC ATM Header */
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static int hf_erf_mc_atm_cn = -1;
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static int hf_erf_mc_atm_res1 = -1;
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static int hf_erf_mc_atm_mul = -1;
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static int hf_erf_mc_atm_port = -1;
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static int hf_erf_mc_atm_res2 = -1;
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static int hf_erf_mc_atm_lbe = -1;
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static int hf_erf_mc_atm_hec = -1;
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static int hf_erf_mc_atm_crc10 = -1;
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static int hf_erf_mc_atm_oamcell = -1;
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static int hf_erf_mc_atm_first = -1;
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static int hf_erf_mc_atm_res3 = -1;
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/* MC Raw link Header */
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static int hf_erf_mc_rawl_cn = -1;
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static int hf_erf_mc_rawl_res1 = -1;
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static int hf_erf_mc_rawl_res2 = -1;
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static int hf_erf_mc_rawl_lbe = -1;
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static int hf_erf_mc_rawl_first = -1;
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static int hf_erf_mc_rawl_res3 = -1;
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/* MC AAL5 Header */
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static int hf_erf_mc_aal5_cn = -1;
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static int hf_erf_mc_aal5_res1 = -1;
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static int hf_erf_mc_aal5_port = -1;
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static int hf_erf_mc_aal5_crcck = -1;
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static int hf_erf_mc_aal5_crce = -1;
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static int hf_erf_mc_aal5_lenck = -1;
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static int hf_erf_mc_aal5_lene = -1;
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static int hf_erf_mc_aal5_res2 = -1;
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static int hf_erf_mc_aal5_first = -1;
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static int hf_erf_mc_aal5_res3 = -1;
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/* MC AAL2 Header */
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static int hf_erf_mc_aal2_cn = -1;
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static int hf_erf_mc_aal2_res1 = -1;
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static int hf_erf_mc_aal2_res2 = -1;
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static int hf_erf_mc_aal2_port = -1;
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static int hf_erf_mc_aal2_res3 = -1;
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static int hf_erf_mc_aal2_first = -1;
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static int hf_erf_mc_aal2_maale = -1;
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static int hf_erf_mc_aal2_lene = -1;
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static int hf_erf_mc_aal2_cid = -1;
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/* ERF Ethernet header/pad */
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static int hf_erf_eth_off = -1;
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static int hf_erf_eth_res1 = -1;
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/* Initialize the subtree pointers */
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static gint ett_erf = -1;
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static gint ett_erf_pseudo_hdr = -1;
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static gint ett_erf_flags = -1;
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static gint ett_erf_mc_hdlc = -1;
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static gint ett_erf_mc_raw = -1;
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static gint ett_erf_mc_atm = -1;
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static gint ett_erf_mc_rawlink = -1;
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static gint ett_erf_mc_aal5 = -1;
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static gint ett_erf_mc_aal2 = -1;
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static gint ett_erf_eth = -1;
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/* Default subdissector, display raw hex data */
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static dissector_handle_t data_handle;
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typedef enum {
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ERF_HDLC_CHDLC = 1,
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ERF_HDLC_PPP = 2,
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ERF_HDLC_FRELAY = 3,
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ERF_HDLC_MTP2 = 4,
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ERF_HDLC_MAX = 5
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} erf_hdlc_type;
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gint erf_hdlc_default = ERF_HDLC_MTP2;
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static dissector_handle_t erf_hdlc_dissector[ERF_HDLC_MAX];
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typedef enum {
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ERF_ATM_ATM = 1,
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ERF_ATM_LLC = 2,
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ERF_ATM_MAX = 3
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} erf_atm_type;
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gint erf_atm_default = ERF_ATM_MAX;
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static dissector_handle_t erf_atm_dissector[ERF_ATM_MAX];
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typedef enum {
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ERF_ETH_ETHFCS = 1,
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ERF_ETH_ETHNOFCS = 2,
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ERF_ETH_MAX = 3
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} erf_eth_type;
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gint erf_eth_default = ERF_ETH_MAX;
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static dissector_handle_t erf_eth_dissector[ERF_ETH_MAX];
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/* Header for ATM trafic identification */
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#define ATM_HDR_LENGTH 4
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/* Multi Channel HDLC */
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#define MC_HDLC_CN_MASK 0x03ff
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#define MC_HDLC_RES1_MASK 0xfc00
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#define MC_HDLC_RES2_MASK 0xff
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#define MC_HDLC_FCSE_MASK 0x01
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#define MC_HDLC_SRE_MASK 0x02
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#define MC_HDLC_LRE_MASK 0x04
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#define MC_HDLC_AFE_MASK 0x08
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#define MC_HDLC_OE_MASK 0x10
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#define MC_HDLC_LBE_MASK 0x20
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#define MC_HDLC_FIRST_MASK 0x40
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#define MC_HDLC_RES3_MASK 0x80
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/* Multi Channel RAW */
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#define MC_RAW_INT_MASK 0x0f
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#define MC_RAW_RES1_MASK 0xf0
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#define MC_RAW_RES2_MASK 0xffff
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#define MC_RAW_RES3_MASK 0x01
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#define MC_RAW_SRE_MASK 0x02
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#define MC_RAW_LRE_MASK 0x04
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#define MC_RAW_RES4_MASK 0x18
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#define MC_RAW_LBE_MASK 0x20
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#define MC_RAW_FIRST_MASK 0x40
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#define MC_RAW_RES5_MASK 0x80
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/* Multi Channel ATM */
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#define MC_ATM_CN_MASK 0x03ff
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#define MC_ATM_RES1_MASK 0x7c00
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#define MC_ATM_MUL_MASK 0x8000
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#define MC_ATM_PORT_MASK 0x0f
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#define MC_ATM_RES2_MASK 0xf0
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#define MC_ATM_LBE_MASK 0x01
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#define MC_ATM_HEC_MASK 0x02
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#define MC_ATM_CRC10_MASK 0x04
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#define MC_ATM_OAMCELL_MASK 0x08
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#define MC_ATM_FIRST_MASK 0x10
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#define MC_ATM_RES3_MASK 0xe0
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/* Multi Channel RAW Link */
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#define MC_RAWL_CN_MASK 0x03ff
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#define MC_RAWL_RES1_MASK 0xfffc
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#define MC_RAWL_RES2_MASK 0x1f
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#define MC_RAWL_LBE_MASK 0x20
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#define MC_RAWL_FIRST_MASK 0x40
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#define MC_RAWL_RES3_MASK 0x80
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/* Multi Channel AAL5 */
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#define MC_AAL5_CN_MASK 0x03ff
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#define MC_AAL5_RES1_MASK 0xfc00
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#define MC_AAL5_PORT_MASK 0x0f
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#define MC_AAL5_CRCCK_MASK 0x10
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#define MC_AAL5_CRCE_MASK 0x20
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#define MC_AAL5_LENCK_MASK 0x40
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#define MC_AAL5_LENE_MASK 0x80
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#define MC_AAL5_RES2_MASK 0x0f
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#define MC_AAL5_FIRST_MASK 0x10
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#define MC_AAL5_RES3_MASK 0xe0
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/* Multi Channel AAL2 */
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#define MC_AAL2_CN_MASK 0x03ff
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#define MC_AAL2_RES1_MASK 0x1c00
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#define MC_AAL2_RES2_MASK 0xe000
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#define MC_AAL2_PORT_MASK 0x0f
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#define MC_AAL2_RES3_MASK 0x10
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#define MC_AAL2_FIRST_MASK 0x20
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#define MC_AAL2_MAALE_MASK 0x40
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#define MC_AAL2_LENE_MASK 0x80
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#define MC_AAL2_CID_MASK 0xff
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/* ETH */
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#define ETH_OFF_MASK 0xff
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#define ETH_RES1_MASK 0xff
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/* Record type defines */
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static const value_string erf_type_vals[] = {
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{ ERF_TYPE_LEGACY,"LEGACY"},
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{ ERF_TYPE_HDLC_POS,"HDLC_POS"},
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{ ERF_TYPE_ETH,"ETH"},
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{ ERF_TYPE_ATM,"ATM"},
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{ ERF_TYPE_AAL5,"AAL5"},
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{ ERF_TYPE_MC_HDLC,"MC_HDLC"},
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{ ERF_TYPE_MC_RAW,"MC_RAW"},
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{ ERF_TYPE_MC_ATM,"MC_ATM"},
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{ ERF_TYPE_MC_RAW_CHANNEL,"MC_RAW_CHANNEL"},
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{ ERF_TYPE_MC_AAL5,"MC_AAL5"},
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{ ERF_TYPE_COLOR_HDLC_POS,"COLOR_HDLC_POS"},
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{ ERF_TYPE_COLOR_ETH,"COLOR_ETH"},
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{ ERF_TYPE_MC_AAL2,"MC_AAL2 "},
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{ ERF_TYPE_IP_COUNTER,"IP_COUNTER"},
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{ ERF_TYPE_TCP_FLOW_COUNTER,"TCP_FLOW_COUNTER"},
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{ ERF_TYPE_DSM_COLOR_HDLC_POS,"DSM_COLOR_HDLC_POS"},
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{ ERF_TYPE_DSM_COLOR_ETH,"DSM_COLOR_ETH "},
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{ ERF_TYPE_COLOR_MC_HDLC_POS,"COLOR_MC_HDLC_POS"},
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{ ERF_TYPE_AAL2,"AAL2"},
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{ ERF_TYPE_PAD,"PAD"},
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{0, NULL}
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};
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/* Copy of atm_guess_traffic_type from atm.c in /wiretap */
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static void
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erf_atm_guess_lane_type(const guint8 *pd, guint32 len,
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union wtap_pseudo_header *pseudo_header)
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{
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if (len >= 2) {
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if (pd[0] == 0xff && pd[1] == 0x00) {
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/*
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* Looks like LE Control traffic.
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*/
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pseudo_header->atm.subtype = TRAF_ST_LANE_LE_CTRL;
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} else {
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/*
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* XXX - Ethernet, or Token Ring?
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* Assume Ethernet for now; if we see earlier
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* LANE traffic, we may be able to figure out
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* the traffic type from that, but there may
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* still be situations where the user has to
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* tell us.
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*/
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pseudo_header->atm.subtype = TRAF_ST_LANE_802_3;
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}
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}
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}
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static void
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erf_atm_guess_traffic_type(const guint8 *pd, guint32 len,
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union wtap_pseudo_header *pseudo_header)
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{
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/*
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* Start out assuming nothing other than that it's AAL5.
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*/
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pseudo_header->atm.aal = AAL_5;
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pseudo_header->atm.type = TRAF_UNKNOWN;
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pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
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if (pseudo_header->atm.vpi == 0) {
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/*
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* Traffic on some PVCs with a VPI of 0 and certain
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* VCIs is of particular types.
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*/
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switch (pseudo_header->atm.vci) {
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case 5:
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/*
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* Signalling AAL.
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*/
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pseudo_header->atm.aal = AAL_SIGNALLING;
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return;
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case 16:
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/*
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* ILMI.
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*/
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pseudo_header->atm.type = TRAF_ILMI;
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return;
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}
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}
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/*
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* OK, we can't tell what it is based on the VPI/VCI; try
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* guessing based on the contents, if we have enough data
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* to guess.
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*/
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if (len >= 3) {
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if (pd[0] == 0xaa && pd[1] == 0xaa && pd[2] == 0x03) {
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/*
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* Looks like a SNAP header; assume it's LLC
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* multiplexed RFC 1483 traffic.
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*/
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pseudo_header->atm.type = TRAF_LLCMX;
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} else if ((pseudo_header->atm.aal5t_len &&
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pseudo_header->atm.aal5t_len < 16) || len<16) {
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/*
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* As this cannot be a LANE Ethernet frame (less
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* than 2 bytes of LANE header + 14 bytes of
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* Ethernet header) we can try it as a SSCOP frame.
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*/
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pseudo_header->atm.aal = AAL_SIGNALLING;
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} else if (pd[0] == 0x83 || pd[0] == 0x81) {
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/*
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* MTP3b headers often encapsulate
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* a SCCP or MTN in the 3G network.
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* This should cause 0x83 or 0x81
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* in the first byte.
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*/
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pseudo_header->atm.aal = AAL_SIGNALLING;
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} else {
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/*
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* Assume it's LANE.
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*/
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pseudo_header->atm.type = TRAF_LANE;
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erf_atm_guess_lane_type(pd, len, pseudo_header);
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}
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} else {
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/*
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* Not only VCI 5 is used for signaling. It might be
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* one of these VCIs.
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*/
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pseudo_header->atm.aal = AAL_SIGNALLING;
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}
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}
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static void
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dissect_mc_hdlc_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *mc_hdlc_item = NULL;
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proto_tree *mc_hdlc_tree = NULL;
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struct erf_mc_hdlc_hdrx * mc_hdlc;
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if (tree) {
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mc_hdlc_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel HDLC Header");
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mc_hdlc_tree = proto_item_add_subtree(mc_hdlc_item, ett_erf_mc_hdlc);
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PROTO_ITEM_SET_GENERATED(mc_hdlc_item);
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mc_hdlc = (struct erf_mc_hdlc_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_cn, tvb, 0, 0, mc_hdlc->byte01);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res1, tvb, 0, 0, mc_hdlc->byte01);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res2, tvb, 0, 0, mc_hdlc->byte2);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_fcse, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_sre, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_lre, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_afe, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_oe, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_lbe, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_first, tvb, 0, 0, mc_hdlc->byte3);
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proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res3, tvb, 0, 0, mc_hdlc->byte3);
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}
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}
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static void
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dissect_mc_raw_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *mc_raw_item = NULL;
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proto_tree *mc_raw_tree = NULL;
|
|
struct erf_mc_raw_hdrx * mc_raw;
|
|
|
|
if (tree) {
|
|
mc_raw_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel RAW Header");
|
|
mc_raw_tree = proto_item_add_subtree(mc_raw_item, ett_erf_mc_raw);
|
|
PROTO_ITEM_SET_GENERATED(mc_raw_item);
|
|
mc_raw = (struct erf_mc_raw_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
|
|
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_int, tvb, 0, 0, mc_raw->byte0);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_res1, tvb, 0, 0, mc_raw->byte0);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_res2, tvb, 0, 0, mc_raw->byte12);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_res3, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_sre, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_lre, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_res4, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_lbe, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_first, tvb, 0, 0, mc_raw->byte3);
|
|
proto_tree_add_uint(mc_raw_tree, hf_erf_mc_raw_res5, tvb, 0, 0, mc_raw->byte3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_mc_atm_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *mc_atm_item = NULL;
|
|
proto_tree *mc_atm_tree = NULL;
|
|
struct erf_mc_atm_hdrx * mc_atm;
|
|
|
|
if (tree) {
|
|
mc_atm_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel ATM Header");
|
|
mc_atm_tree = proto_item_add_subtree(mc_atm_item, ett_erf_mc_atm);
|
|
PROTO_ITEM_SET_GENERATED(mc_atm_item);
|
|
mc_atm = (struct erf_mc_atm_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
|
|
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_cn, tvb, 0, 0, mc_atm->byte01);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_res1, tvb, 0, 0, mc_atm->byte01);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_mul, tvb, 0, 0, mc_atm->byte01);
|
|
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_port, tvb, 0, 0, mc_atm->byte2);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_res2, tvb, 0, 0, mc_atm->byte2);
|
|
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_lbe, tvb, 0, 0, mc_atm->byte3);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_hec, tvb, 0, 0, mc_atm->byte3);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_crc10, tvb, 0, 0, mc_atm->byte3);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_oamcell, tvb, 0, 0, mc_atm->byte3);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_first, tvb, 0, 0, mc_atm->byte3);
|
|
proto_tree_add_uint(mc_atm_tree, hf_erf_mc_atm_res3, tvb, 0, 0, mc_atm->byte3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_mc_rawlink_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *mc_rawl_item = NULL;
|
|
proto_tree *mc_rawl_tree = NULL;
|
|
struct erf_mc_rawl_hdrx * mc_rawl;
|
|
|
|
if (tree) {
|
|
mc_rawl_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel RAW Link Header");
|
|
mc_rawl_tree = proto_item_add_subtree(mc_rawl_item, ett_erf_mc_rawlink);
|
|
PROTO_ITEM_SET_GENERATED(mc_rawl_item);
|
|
mc_rawl = (struct erf_mc_rawl_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
|
|
|
|
proto_tree_add_uint(mc_rawl_tree, hf_erf_mc_rawl_cn, tvb, 0, 0, mc_rawl->byte01);
|
|
proto_tree_add_uint(mc_rawl_tree, hf_erf_mc_rawl_res2, tvb, 0, 0, mc_rawl->byte3);
|
|
proto_tree_add_uint(mc_rawl_tree, hf_erf_mc_rawl_lbe, tvb, 0, 0, mc_rawl->byte3);
|
|
proto_tree_add_uint(mc_rawl_tree, hf_erf_mc_rawl_first, tvb, 0, 0, mc_rawl->byte3);
|
|
proto_tree_add_uint(mc_rawl_tree, hf_erf_mc_rawl_res3, tvb, 0, 0, mc_rawl->byte3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_mc_aal5_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *mc_aal5_item = NULL;
|
|
proto_tree *mc_aal5_tree = NULL;
|
|
struct erf_mc_aal5_hdrx * mc_aal5;
|
|
|
|
if (tree) {
|
|
mc_aal5_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel AAL5 Header");
|
|
mc_aal5_tree = proto_item_add_subtree(mc_aal5_item, ett_erf_mc_aal5);
|
|
PROTO_ITEM_SET_GENERATED(mc_aal5_item);
|
|
mc_aal5 = (struct erf_mc_aal5_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
|
|
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_cn, tvb, 0, 0, mc_aal5->byte01);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_res1, tvb, 0, 0, mc_aal5->byte01);
|
|
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_port, tvb, 0, 0, mc_aal5->byte2);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_crcck, tvb, 0, 0, mc_aal5->byte2);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_crce, tvb, 0, 0, mc_aal5->byte2);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_lenck, tvb, 0, 0, mc_aal5->byte2);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_lene, tvb, 0, 0, mc_aal5->byte2);
|
|
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_res2, tvb, 0, 0, mc_aal5->byte3);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_first, tvb, 0, 0, mc_aal5->byte3);
|
|
proto_tree_add_uint(mc_aal5_tree, hf_erf_mc_aal5_res3, tvb, 0, 0, mc_aal5->byte3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_mc_aal2_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *mc_aal2_item = NULL;
|
|
proto_tree *mc_aal2_tree = NULL;
|
|
struct erf_mc_aal2_hdrx * mc_aal2;
|
|
|
|
if (tree) {
|
|
mc_aal2_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel AAL2 Header");
|
|
mc_aal2_tree = proto_item_add_subtree(mc_aal2_item, ett_erf_mc_aal2);
|
|
PROTO_ITEM_SET_GENERATED(mc_aal2_item);
|
|
mc_aal2 = (struct erf_mc_aal2_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr);
|
|
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_cn, tvb, 0, 0, mc_aal2->byte01);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_res1, tvb, 0, 0, mc_aal2->byte01);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_res2, tvb, 0, 0, mc_aal2->byte01);
|
|
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_port, tvb, 0, 0, mc_aal2->byte2);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_res3, tvb, 0, 0, mc_aal2->byte2);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_first, tvb, 0, 0, mc_aal2->byte2);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_maale, tvb, 0, 0, mc_aal2->byte2);
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_lene, tvb, 0, 0, mc_aal2->byte2);
|
|
|
|
proto_tree_add_uint(mc_aal2_tree, hf_erf_mc_aal2_cid, tvb, 0, 0, mc_aal2->byte3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_eth_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *eth_item = NULL;
|
|
proto_tree *eth_tree = NULL;
|
|
struct erf_eth_hdrx * eth_hdr;
|
|
|
|
if (tree) {
|
|
eth_item = proto_tree_add_text(tree, tvb, 0, 0, "Ethernet Header");
|
|
eth_tree = proto_item_add_subtree(eth_item, ett_erf_eth);
|
|
PROTO_ITEM_SET_GENERATED(eth_item);
|
|
eth_hdr = (struct erf_eth_hdrx *) (&pinfo->pseudo_header->erf.subhdr.eth_hdr);
|
|
|
|
proto_tree_add_uint(eth_tree, hf_erf_eth_off, tvb, 0, 0, eth_hdr->byte0);
|
|
proto_tree_add_uint(eth_tree, hf_erf_eth_res1, tvb, 0, 0, eth_hdr->byte1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_erf_pseudo_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *pi;
|
|
proto_item *pseudo_hdr_item = NULL, *flags_item = NULL;
|
|
proto_tree *pseudo_hdr_tree = NULL, *flags_tree = NULL;
|
|
|
|
pseudo_hdr_item = proto_tree_add_text(tree, tvb, 0, 0, "ERF Header");
|
|
pseudo_hdr_tree = proto_item_add_subtree(pseudo_hdr_item, ett_erf_pseudo_hdr);
|
|
PROTO_ITEM_SET_GENERATED( pseudo_hdr_item);
|
|
|
|
pi=proto_tree_add_uint64(pseudo_hdr_tree, hf_erf_ts, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.ts);
|
|
pi=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_type, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.type);
|
|
flags_item=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_flags, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_erf_flags);
|
|
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_cap, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_vlen, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_trunc, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_rxe, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_dse, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
pi=proto_tree_add_uint(flags_tree, hf_erf_flags_res, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.flags);
|
|
|
|
pi=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_rlen, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.rlen);
|
|
pi=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_lctr, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.lctr);
|
|
pi=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_wlen, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.wlen);
|
|
}
|
|
|
|
static void
|
|
dissect_erf_header(tvbuff_t *erf_tvb, packet_info *pinfo, proto_tree *erf_tree, proto_tree *tree)
|
|
{
|
|
tvbuff_t *tvb, *new_tvb;
|
|
gint new_tvb_length;
|
|
guint8 erf_type;
|
|
guint32 atm_hdr=0;
|
|
guint8 flags=0;
|
|
|
|
if (erf_tree) {
|
|
dissect_erf_pseudo_header(erf_tvb, pinfo, erf_tree);
|
|
}
|
|
|
|
tvb=erf_tvb;
|
|
new_tvb=erf_tvb;
|
|
flags = pinfo->pseudo_header->erf.phdr.flags;
|
|
/* Set if frame is Received or Sent */
|
|
pinfo->p2p_dir = ( (flags & 0x01) ? TRUE : FALSE);
|
|
|
|
if (pinfo->pseudo_header) {
|
|
erf_type=pinfo->pseudo_header->erf.phdr.type;
|
|
|
|
switch(erf_type) {
|
|
|
|
case ERF_TYPE_LEGACY:
|
|
case ERF_TYPE_IP_COUNTER:
|
|
case ERF_TYPE_TCP_FLOW_COUNTER:
|
|
/* undefined */
|
|
break;
|
|
|
|
case ERF_TYPE_PAD:
|
|
/* Nothing to do */
|
|
break;
|
|
|
|
case ERF_TYPE_MC_RAW:
|
|
dissect_mc_raw_header(tvb, pinfo, erf_tree);
|
|
if (data_handle)
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_MC_RAW_CHANNEL:
|
|
dissect_mc_rawlink_header(tvb, pinfo, erf_tree);
|
|
if (data_handle)
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_MC_ATM:
|
|
dissect_mc_atm_header(tvb, pinfo, erf_tree);
|
|
/* continue with type ATM */
|
|
|
|
case ERF_TYPE_ATM:
|
|
memset(&pinfo->pseudo_header->atm, 0, sizeof(pinfo->pseudo_header->atm));
|
|
atm_hdr = tvb_get_ntohl(tvb, 0);
|
|
pinfo->pseudo_header->atm.vpi = ((atm_hdr & 0x0ff00000) >> 20);
|
|
pinfo->pseudo_header->atm.vci = ((atm_hdr & 0x000ffff0) >> 4);
|
|
pinfo->pseudo_header->atm.channel = (flags & 0x03);
|
|
|
|
/* Work around to have decoding working */
|
|
pinfo->pseudo_header->atm.aal = AAL_UNKNOWN;
|
|
pinfo->pseudo_header->atm.type = TRAF_UNKNOWN;
|
|
pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
|
|
|
|
new_tvb_length = tvb_length(tvb) - ATM_HDR_LENGTH;
|
|
new_tvb = tvb_new_subset(tvb, ATM_HDR_LENGTH, new_tvb_length, new_tvb_length);
|
|
/* Try to guess the type according to the first bytes */
|
|
erf_atm_guess_traffic_type(tvb->real_data, tvb->length, pinfo->pseudo_header);
|
|
|
|
if (erf_atm_dissector[erf_atm_default])
|
|
call_dissector(erf_atm_dissector[erf_atm_default], new_tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_MC_AAL5:
|
|
dissect_mc_aal5_header(tvb, pinfo, erf_tree);
|
|
/* continue with type AAL5 */
|
|
|
|
case ERF_TYPE_AAL5:
|
|
atm_hdr = tvb_get_ntohl(tvb, 0);
|
|
memset(&pinfo->pseudo_header->atm, 0, sizeof(pinfo->pseudo_header->atm));
|
|
pinfo->pseudo_header->atm.vpi = ((atm_hdr & 0x0ff00000) >> 20);
|
|
pinfo->pseudo_header->atm.vci = ((atm_hdr & 0x000ffff0) >> 4);
|
|
pinfo->pseudo_header->atm.channel = (flags & 0x03);
|
|
/* Work around to have decoding working */
|
|
pinfo->pseudo_header->atm.aal = AAL_5;
|
|
pinfo->pseudo_header->atm.type = TRAF_UNKNOWN;
|
|
pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
|
|
|
|
new_tvb_length = tvb_length(tvb) - ATM_HDR_LENGTH;
|
|
new_tvb = tvb_new_subset(tvb, ATM_HDR_LENGTH, new_tvb_length, new_tvb_length);
|
|
/* Try to guess the type according to the first bytes */
|
|
erf_atm_guess_traffic_type(tvb->real_data, tvb->length, pinfo->pseudo_header);
|
|
|
|
if (erf_atm_dissector[erf_atm_default])
|
|
call_dissector(erf_atm_dissector[erf_atm_default], new_tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_MC_AAL2:
|
|
dissect_mc_aal2_header(tvb, pinfo, erf_tree);
|
|
/* continue with type AAL2 */
|
|
|
|
case ERF_TYPE_AAL2:
|
|
atm_hdr = tvb_get_ntohl(tvb, 0);
|
|
memset(&pinfo->pseudo_header->atm, 0, sizeof(pinfo->pseudo_header->atm));
|
|
pinfo->pseudo_header->atm.vpi = ((atm_hdr & 0x0ff00000) >> 20);
|
|
pinfo->pseudo_header->atm.vci = ((atm_hdr & 0x000ffff0) >> 4);
|
|
pinfo->pseudo_header->atm.channel = (flags & 0x03);
|
|
/* Work around to have decoding working */
|
|
pinfo->pseudo_header->atm.aal = AAL_2;
|
|
pinfo->pseudo_header->atm.type = TRAF_UNKNOWN;
|
|
pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
|
|
|
|
new_tvb_length = tvb_length(tvb) - ATM_HDR_LENGTH;
|
|
new_tvb = tvb_new_subset(tvb, ATM_HDR_LENGTH, new_tvb_length, new_tvb_length);
|
|
/* Try to guess the type according to the first bytes */
|
|
erf_atm_guess_traffic_type(tvb->real_data, tvb->length, pinfo->pseudo_header);
|
|
|
|
if (erf_atm_dissector[erf_atm_default])
|
|
call_dissector(erf_atm_dissector[erf_atm_default], new_tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_ETH:
|
|
case ERF_TYPE_COLOR_ETH:
|
|
case ERF_TYPE_DSM_COLOR_ETH:
|
|
dissect_eth_header(tvb, pinfo, erf_tree);
|
|
|
|
/* Clean the pseudo header (if used in subdissector) */
|
|
switch (erf_eth_default) {
|
|
case ERF_ETH_ETHFCS:
|
|
case ERF_ETH_ETHNOFCS:
|
|
memset(&pinfo->pseudo_header->eth, 0, sizeof(pinfo->pseudo_header->eth));
|
|
break;
|
|
}
|
|
|
|
if (erf_eth_dissector[erf_eth_default])
|
|
call_dissector(erf_eth_dissector[erf_eth_default], tvb, pinfo, tree);
|
|
break;
|
|
|
|
case ERF_TYPE_MC_HDLC:
|
|
dissect_mc_hdlc_header(tvb, pinfo, erf_tree);
|
|
/* continue with type HDLC */
|
|
|
|
case ERF_TYPE_HDLC_POS:
|
|
case ERF_TYPE_COLOR_HDLC_POS:
|
|
case ERF_TYPE_DSM_COLOR_HDLC_POS:
|
|
case ERF_TYPE_COLOR_MC_HDLC_POS:
|
|
/* Clean the pseudo header (if used in subdissector) */
|
|
switch (erf_hdlc_default) {
|
|
case ERF_HDLC_CHDLC:
|
|
break;
|
|
case ERF_HDLC_PPP:
|
|
break;
|
|
case ERF_HDLC_FRELAY:
|
|
memset(&pinfo->pseudo_header->x25, 0, sizeof(pinfo->pseudo_header->x25));
|
|
break;
|
|
case ERF_HDLC_MTP2:
|
|
/* not used, but .. */
|
|
memset(&pinfo->pseudo_header->mtp2, 0, sizeof(pinfo->pseudo_header->mtp2));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (erf_hdlc_dissector[erf_hdlc_default])
|
|
call_dissector(erf_hdlc_dissector[erf_hdlc_default], tvb, pinfo, tree);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
} /* erf type */
|
|
} /* pseudo header */
|
|
}
|
|
|
|
static void
|
|
dissect_erf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *erf_item = NULL;
|
|
proto_tree *erf_tree = NULL;
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ERF");
|
|
|
|
if (tree) {
|
|
erf_item = proto_tree_add_item(tree, proto_erf, tvb, 0, -1, FALSE);
|
|
erf_tree = proto_item_add_subtree(erf_item, ett_erf);
|
|
};
|
|
|
|
dissect_erf_header(tvb, pinfo, erf_tree, tree);
|
|
}
|
|
|
|
void
|
|
proto_register_erf(void)
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
/* ERF Header */
|
|
{ &hf_erf_ts, { "Timestamp", "erf.ts", FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL } },
|
|
{ &hf_erf_type, { "type", "erf.type", FT_UINT8, BASE_DEC, VALS(erf_type_vals), 0x0, "", HFILL } },
|
|
{ &hf_erf_flags,{ "flags", "erf.flags", FT_UINT8, BASE_DEC, NULL, 0xFF, "", HFILL } },
|
|
{ &hf_erf_flags_cap,{ "capture interface", "erf.flags.cap", FT_UINT8, BASE_DEC, NULL, 0x03, "", HFILL } },
|
|
{ &hf_erf_flags_vlen,{ "varying record length", "erf.flags.vlen", FT_UINT8, BASE_DEC, NULL, 0x04, "", HFILL } },
|
|
{ &hf_erf_flags_trunc,{ "truncated", "erf.flags.trunc", FT_UINT8, BASE_DEC, NULL, 0x08, "", HFILL } },
|
|
{ &hf_erf_flags_rxe,{ "rx error", "erf.flags.rxe", FT_UINT8, BASE_DEC, NULL, 0x10, "", HFILL } },
|
|
{ &hf_erf_flags_dse,{ "ds error", "erf.flags.dse", FT_UINT8, BASE_DEC, NULL, 0x20, "", HFILL } },
|
|
{ &hf_erf_flags_res,{ "reserved", "erf.flags.res", FT_UINT8, BASE_DEC, NULL, 0xC0, "", HFILL } },
|
|
{ &hf_erf_rlen, { "record length", "erf.rlen", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
|
|
{ &hf_erf_lctr, { "loss counter", "erf.lctr", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
|
|
{ &hf_erf_wlen, { "wire length", "erf.wlen", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
|
|
|
|
/* MC HDLC Header */
|
|
{ &hf_erf_mc_hdlc_cn, { "connection number", "erf.mchdlc.cn", FT_UINT16, BASE_DEC, NULL, MC_HDLC_CN_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_res1, { "reserved", "erf.mchdlc.res1", FT_UINT16, BASE_DEC, NULL, MC_HDLC_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_res2, { "reserved", "erf.mchdlc.res2", FT_UINT8, BASE_DEC, NULL, MC_HDLC_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_fcse, { "FCS error", "erf.mchdlc.fcse", FT_UINT8, BASE_DEC, NULL, MC_HDLC_FCSE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_sre, { "Short record error", "erf.mchdlc.sre", FT_UINT8, BASE_DEC, NULL, MC_HDLC_SRE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_lre, { "Long record error", "erf.mchdlc.lre", FT_UINT8, BASE_DEC, NULL, MC_HDLC_LRE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_afe, { "Aborted frame error", "erf.mchdlc.afe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_AFE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_oe, { "Octet error", "erf.mchdlc.oe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_OE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_lbe, { "Lost byte error", "erf.mchdlc.lbe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_LBE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_first, { "First record", "erf.mchdlc.first", FT_UINT8, BASE_DEC, NULL, MC_HDLC_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_hdlc_res3, { "reserved", "erf.mchdlc.res3", FT_UINT8, BASE_DEC, NULL, MC_HDLC_RES3_MASK, "", HFILL } },
|
|
|
|
/* MC RAW Header */
|
|
{ &hf_erf_mc_raw_int, { "physical interface", "erf.mcraw.int", FT_UINT8, BASE_DEC, NULL, MC_RAW_INT_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_res1, { "reserved", "erf.mcraw.res1", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_res2, { "reserved", "erf.mcraw.res2", FT_UINT16, BASE_DEC, NULL, MC_RAW_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_res3, { "reserved", "erf.mcraw.res3", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES3_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_sre, { "Short record error", "erf.mcraw.sre", FT_UINT8, BASE_DEC, NULL, MC_RAW_SRE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_lre, { "Long record error", "erf.mcraw.lre", FT_UINT8, BASE_DEC, NULL, MC_RAW_LRE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_res4, { "reserved", "erf.mcraw.res4", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES4_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_lbe, { "Lost byte error", "erf.mcraw.lbe", FT_UINT8, BASE_DEC, NULL, MC_RAW_LBE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_first, { "First record", "erf.mcraw.first", FT_UINT8, BASE_DEC, NULL, MC_RAW_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_raw_res5, { "reserved", "erf.mcraw.res5", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES5_MASK, "", HFILL } },
|
|
|
|
/* MC ATM Header */
|
|
{ &hf_erf_mc_atm_cn, { "connection number", "erf.mcatm.cn", FT_UINT16, BASE_DEC, NULL, MC_ATM_CN_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_res1, { "reserved", "erf.mcatm.res1", FT_UINT16, BASE_DEC, NULL, MC_ATM_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_mul, { "multiplexed", "erf.mcatm.mul", FT_UINT16, BASE_DEC, NULL, MC_ATM_MUL_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_port, { "physical port", "erf.mcatm.port", FT_UINT8, BASE_DEC, NULL, MC_ATM_PORT_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_res2, { "reserved", "erf.mcatm.res2", FT_UINT8, BASE_DEC, NULL, MC_ATM_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_lbe, { "Lost Byte Error", "erf.mcatm.lbe", FT_UINT8, BASE_DEC, NULL, MC_ATM_LBE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_hec, { "HEC corrected", "erf.mcatm.hec", FT_UINT8, BASE_DEC, NULL, MC_ATM_HEC_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_crc10, { "OAM Cell CRC10 Error (not implemented)", "erf.mcatm.crc10", FT_UINT8, BASE_DEC, NULL, MC_ATM_CRC10_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_oamcell, { "OAM Cell", "erf.mcatm.oamcell", FT_UINT8, BASE_DEC, NULL, MC_ATM_OAMCELL_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_first, { "First record", "erf.mcatm.first", FT_UINT8, BASE_DEC, NULL, MC_ATM_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_atm_res3, { "reserved", "erf.mcatm.res3", FT_UINT8, BASE_DEC, NULL, MC_ATM_RES3_MASK, "", HFILL } },
|
|
|
|
/* MC RAW Link Header */
|
|
{ &hf_erf_mc_rawl_cn, { "connection number", "erf.mcrawl.cn", FT_UINT8, BASE_DEC, NULL, MC_RAWL_CN_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_rawl_res1, { "reserved", "erf.mcrawl.res1", FT_UINT16, BASE_DEC, NULL, MC_RAWL_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_rawl_res2, { "reserved", "erf.mcrawl.res2", FT_UINT8, BASE_DEC, NULL, MC_RAWL_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_rawl_lbe, { "Lost byte error", "erf.mcrawl.lbe", FT_UINT8, BASE_DEC, NULL, MC_RAWL_LBE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_rawl_first, { "First record", "erf.mcrawl.first", FT_UINT8, BASE_DEC, NULL, MC_RAWL_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_rawl_res3, { "reserved", "erf.mcrawl.res5", FT_UINT8, BASE_DEC, NULL, MC_RAWL_RES3_MASK, "", HFILL } },
|
|
|
|
/* MC AAL5 Header */
|
|
{ &hf_erf_mc_aal5_cn, { "connection number", "erf.mcaal5.cn", FT_UINT16, BASE_DEC, NULL, MC_AAL5_CN_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_res1, { "reserved", "erf.mcaal5.res1", FT_UINT16, BASE_DEC, NULL, MC_AAL5_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_port, { "physical port", "erf.mcaal5.port", FT_UINT8, BASE_DEC, NULL, MC_AAL5_PORT_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_crcck, { "CRC checked", "erf.mcaal5.crcck", FT_UINT8, BASE_DEC, NULL, MC_AAL5_CRCCK_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_crce, { "CRC error", "erf.mcaal5.crce", FT_UINT8, BASE_DEC, NULL, MC_AAL5_CRCE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_lenck, { "Length checked", "erf.mcaal5.lenck", FT_UINT8, BASE_DEC, NULL, MC_AAL5_LENCK_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_lene, { "Length error", "erf.mcaal5.lene", FT_UINT8, BASE_DEC, NULL, MC_AAL5_LENE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_res2, { "reserved", "erf.mcaal5.res2", FT_UINT8, BASE_DEC, NULL, MC_AAL5_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_first, { "First record", "erf.mcaal5.first", FT_UINT8, BASE_DEC, NULL, MC_AAL5_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal5_res3, { "reserved", "erf.mcaal5.res3", FT_UINT8, BASE_DEC, NULL, MC_AAL5_RES3_MASK, "", HFILL } },
|
|
|
|
/* MC AAL2 Header */
|
|
{ &hf_erf_mc_aal2_cn, { "connection number", "erf.mcaal2.cn", FT_UINT16, BASE_DEC, NULL, MC_AAL2_CN_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_res1, { "reserved for extra connection", "erf.mcaal2.res1", FT_UINT16, BASE_DEC, NULL, MC_AAL2_RES1_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_res2, { "reserved for type", "erf.mcaal2.mul", FT_UINT16, BASE_DEC, NULL, MC_AAL2_RES2_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_port, { "physical port", "erf.mcaal2.port", FT_UINT8, BASE_DEC, NULL, MC_AAL2_PORT_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_res3, { "reserved", "erf.mcaal2.res2", FT_UINT8, BASE_DEC, NULL, MC_AAL2_RES3_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_first, { "first cell received", "erf.mcaal2.lbe", FT_UINT8, BASE_DEC, NULL, MC_AAL2_FIRST_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_maale, { "MAAL error", "erf.mcaal2.hec", FT_UINT8, BASE_DEC, NULL, MC_AAL2_MAALE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_lene, { "Length error", "erf.mcaal2.crc10", FT_UINT8, BASE_DEC, NULL, MC_AAL2_LENE_MASK, "", HFILL } },
|
|
{ &hf_erf_mc_aal2_cid, { "Channel Identification Number", "erf.mcaal2.cid", FT_UINT8, BASE_DEC, NULL, MC_AAL2_CID_MASK, "", HFILL } },
|
|
|
|
/* ETH Header */
|
|
{ &hf_erf_eth_off, { "offset", "erf.eth.off", FT_UINT8, BASE_DEC, NULL, ETH_OFF_MASK, "", HFILL } },
|
|
{ &hf_erf_eth_res1, { "reserved", "erf.eth.res1", FT_UINT8, BASE_DEC, NULL, ETH_RES1_MASK, "", HFILL } },
|
|
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_erf,
|
|
&ett_erf_pseudo_hdr,
|
|
&ett_erf_flags,
|
|
&ett_erf_mc_hdlc,
|
|
&ett_erf_mc_raw,
|
|
&ett_erf_mc_atm,
|
|
&ett_erf_mc_rawlink,
|
|
&ett_erf_mc_aal5,
|
|
&ett_erf_mc_aal2,
|
|
&ett_erf_eth
|
|
};
|
|
|
|
static enum_val_t erf_hdlc_options[] = {
|
|
{ "chdlc", "Cisco HDLC", ERF_HDLC_CHDLC },
|
|
{ "ppp", "PPP serial", ERF_HDLC_PPP },
|
|
{ "fr", "Frame Relay", ERF_HDLC_FRELAY },
|
|
{ "mtp2", "SS7 MTP2", ERF_HDLC_MTP2 },
|
|
{ "raw", "Raw data", ERF_HDLC_MAX },
|
|
{ NULL, NULL, 0 }
|
|
};
|
|
|
|
static enum_val_t erf_atm_options[] = {
|
|
{ "atm", "ATM", ERF_ATM_ATM },
|
|
{ "llc", "LLC", ERF_ATM_LLC },
|
|
{ "raw", "Raw data", ERF_ATM_MAX },
|
|
{ NULL, NULL, 0 }
|
|
};
|
|
|
|
static enum_val_t erf_eth_options[] = {
|
|
{ "ethfcs", "Ethernet with FCS", ERF_ETH_ETHFCS },
|
|
{ "eth", "Ethernet", ERF_ETH_ETHNOFCS },
|
|
{ "raw", "Raw data", ERF_ETH_MAX },
|
|
{ NULL, NULL, 0 }
|
|
};
|
|
|
|
module_t *erf_module;
|
|
|
|
proto_erf = proto_register_protocol("Extensible Record Format", "ERF", "erf");
|
|
register_dissector("erf", dissect_erf, proto_erf);
|
|
|
|
proto_register_field_array(proto_erf, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
erf_module = prefs_register_protocol(proto_erf, NULL);
|
|
|
|
prefs_register_enum_preference(erf_module, "erfhdlc", "ERF_HDLC Layer 2",
|
|
"Protocol encapsulated in HDLC records",
|
|
&erf_hdlc_default, erf_hdlc_options, FALSE);
|
|
|
|
prefs_register_enum_preference(erf_module, "erfatm", "ERF_ATM Layer 2",
|
|
"Protocol encapsulated in ATM records",
|
|
&erf_atm_default, erf_atm_options, FALSE);
|
|
|
|
prefs_register_enum_preference(erf_module, "erfeth", "ERF_ETH Layer 2",
|
|
"Protocol encapsulated in Ethernet records",
|
|
&erf_eth_default, erf_eth_options, FALSE);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_erf(void)
|
|
{
|
|
dissector_handle_t erf_handle;
|
|
|
|
erf_handle = create_dissector_handle(dissect_erf, proto_erf);
|
|
dissector_add("wtap_encap", WTAP_ENCAP_ERF, erf_handle);
|
|
|
|
/* Dissector called to dump raw data, or unknown protocol */
|
|
data_handle = find_dissector("data");
|
|
|
|
/* Create ERF_HDLC dissectors table */
|
|
erf_hdlc_dissector[ERF_HDLC_CHDLC] = find_dissector("chdlc");
|
|
erf_hdlc_dissector[ERF_HDLC_PPP] = find_dissector("ppp_hdlc");
|
|
erf_hdlc_dissector[ERF_HDLC_FRELAY] = find_dissector("fr");
|
|
erf_hdlc_dissector[ERF_HDLC_MTP2] = find_dissector("mtp2");
|
|
erf_hdlc_dissector[ERF_HDLC_MAX] = data_handle;
|
|
|
|
/* Create ERF_ATM dissectors table */
|
|
erf_atm_dissector[ERF_ATM_ATM] = find_dissector("atm_untruncated");
|
|
erf_atm_dissector[ERF_ATM_LLC] = find_dissector("llc");
|
|
erf_atm_dissector[ERF_ATM_MAX] = data_handle;
|
|
|
|
/* Create Ethernet dissectors table */
|
|
erf_eth_dissector[ERF_ETH_ETHFCS] = find_dissector("eth_withfcs");
|
|
erf_eth_dissector[ERF_ETH_ETHNOFCS] = find_dissector("eth_withoutfcs");
|
|
erf_eth_dissector[ERF_ETH_MAX] = data_handle;
|
|
}
|