/* packet-erf.c * Routines for ERF encapsulation dissection * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include /* #include "wiretap/atm.h" */ #include "wiretap/erf.h" #include #include "packet-erf.h" /* Initialize the protocol and registered fields */ static int proto_erf = -1; static int hf_erf_ts = -1; static int hf_erf_types = -1; static int hf_erf_type = -1; static int hf_erf_ehdr = -1; static int hf_erf_ehdr_t = -1; static int hf_erf_flags = -1; static int hf_erf_flags_cap = -1; static int hf_erf_flags_vlen = -1; static int hf_erf_flags_trunc = -1; static int hf_erf_flags_rxe = -1; static int hf_erf_flags_dse = -1; static int hf_erf_flags_res = -1; static int hf_erf_rlen = -1; static int hf_erf_lctr = -1; static int hf_erf_wlen = -1; /* Classification extension header */ /* InterceptID extension header */ static int hf_erf_ehdr_int_res1 = -1; static int hf_erf_ehdr_int_id = -1; static int hf_erf_ehdr_int_res2 = -1; /* Raw Link extension header */ static int hf_erf_ehdr_raw_link_res = -1; static int hf_erf_ehdr_raw_link_seqnum = -1; static int hf_erf_ehdr_raw_link_rate = -1; static int hf_erf_ehdr_raw_link_type = -1; /* Classification extension header */ static int hf_erf_ehdr_class_flags = -1; static int hf_erf_ehdr_class_flags_sh = -1; static int hf_erf_ehdr_class_flags_shm = -1; static int hf_erf_ehdr_class_flags_res1 = -1; static int hf_erf_ehdr_class_flags_user = -1; static int hf_erf_ehdr_class_flags_res2 = -1; static int hf_erf_ehdr_class_flags_drop = -1; static int hf_erf_ehdr_class_flags_str = -1; static int hf_erf_ehdr_class_seqnum = -1; /* Unknown extension header */ static int hf_erf_ehdr_unk = -1; /* MC HDLC Header */ static int hf_erf_mc_hdlc_cn = -1; static int hf_erf_mc_hdlc_res1 = -1; static int hf_erf_mc_hdlc_res2 = -1; static int hf_erf_mc_hdlc_fcse = -1; static int hf_erf_mc_hdlc_sre = -1; static int hf_erf_mc_hdlc_lre = -1; static int hf_erf_mc_hdlc_afe = -1; static int hf_erf_mc_hdlc_oe = -1; static int hf_erf_mc_hdlc_lbe = -1; static int hf_erf_mc_hdlc_first = -1; static int hf_erf_mc_hdlc_res3 = -1; /* MC RAW Header */ static int hf_erf_mc_raw_int = -1; static int hf_erf_mc_raw_res1 = -1; static int hf_erf_mc_raw_res2 = -1; static int hf_erf_mc_raw_res3 = -1; static int hf_erf_mc_raw_sre = -1; static int hf_erf_mc_raw_lre = -1; static int hf_erf_mc_raw_res4 = -1; static int hf_erf_mc_raw_lbe = -1; static int hf_erf_mc_raw_first = -1; static int hf_erf_mc_raw_res5 = -1; /* MC ATM Header */ static int hf_erf_mc_atm_cn = -1; static int hf_erf_mc_atm_res1 = -1; static int hf_erf_mc_atm_mul = -1; static int hf_erf_mc_atm_port = -1; static int hf_erf_mc_atm_res2 = -1; static int hf_erf_mc_atm_lbe = -1; static int hf_erf_mc_atm_hec = -1; static int hf_erf_mc_atm_crc10 = -1; static int hf_erf_mc_atm_oamcell = -1; static int hf_erf_mc_atm_first = -1; static int hf_erf_mc_atm_res3 = -1; /* MC Raw link Header */ static int hf_erf_mc_rawl_cn = -1; static int hf_erf_mc_rawl_res1 = -1; static int hf_erf_mc_rawl_res2 = -1; static int hf_erf_mc_rawl_lbe = -1; static int hf_erf_mc_rawl_first = -1; static int hf_erf_mc_rawl_res3 = -1; /* MC AAL5 Header */ static int hf_erf_mc_aal5_cn = -1; static int hf_erf_mc_aal5_res1 = -1; static int hf_erf_mc_aal5_port = -1; static int hf_erf_mc_aal5_crcck = -1; static int hf_erf_mc_aal5_crce = -1; static int hf_erf_mc_aal5_lenck = -1; static int hf_erf_mc_aal5_lene = -1; static int hf_erf_mc_aal5_res2 = -1; static int hf_erf_mc_aal5_first = -1; static int hf_erf_mc_aal5_res3 = -1; /* MC AAL2 Header */ static int hf_erf_mc_aal2_cn = -1; static int hf_erf_mc_aal2_res1 = -1; static int hf_erf_mc_aal2_res2 = -1; static int hf_erf_mc_aal2_port = -1; static int hf_erf_mc_aal2_res3 = -1; static int hf_erf_mc_aal2_first = -1; static int hf_erf_mc_aal2_maale = -1; static int hf_erf_mc_aal2_lene = -1; static int hf_erf_mc_aal2_cid = -1; /* AAL2 Header */ static int hf_erf_aal2_cid = -1; static int hf_erf_aal2_maale = -1; static int hf_erf_aal2_maalei = -1; static int hf_erf_aal2_first = -1; static int hf_erf_aal2_res1 = -1; /* ERF Ethernet header/pad */ static int hf_erf_eth_off = -1; static int hf_erf_eth_res1 = -1; /* Initialize the subtree pointers */ static gint ett_erf = -1; static gint ett_erf_pseudo_hdr = -1; static gint ett_erf_types = -1; static gint ett_erf_flags = -1; static gint ett_erf_mc_hdlc = -1; static gint ett_erf_mc_raw = -1; static gint ett_erf_mc_atm = -1; static gint ett_erf_mc_rawlink = -1; static gint ett_erf_mc_aal5 = -1; static gint ett_erf_mc_aal2 = -1; static gint ett_erf_aal2 = -1; static gint ett_erf_eth = -1; /* Default subdissector, display raw hex data */ static dissector_handle_t data_handle; /* IPv4 and IPv6 subdissectors */ static dissector_handle_t ipv4_handle; static dissector_handle_t ipv6_handle; static dissector_handle_t infiniband_handle; typedef enum { ERF_HDLC_CHDLC = 0, ERF_HDLC_PPP = 1, ERF_HDLC_FRELAY = 2, ERF_HDLC_MTP2 = 3, ERF_HDLC_GUESS = 4, ERF_HDLC_MAX = 5 } erf_hdlc_type_vals; static gint erf_hdlc_type = ERF_HDLC_GUESS; static dissector_handle_t chdlc_handle, ppp_handle, frelay_handle, mtp2_handle; static gboolean erf_rawcell_first = FALSE; typedef enum { ERF_AAL5_GUESS = 0, ERF_AAL5_LLC = 1 } erf_aal5_type_val; static gint erf_aal5_type = ERF_AAL5_GUESS; static dissector_handle_t atm_untruncated_handle; static gboolean erf_ethfcs = TRUE; static dissector_handle_t ethwithfcs_handle, ethwithoutfcs_handle; /* Classification */ #define EHDR_CLASS_SH_MASK 0x800000 #define EHDR_CLASS_SHM_MASK 0x400000 #define EHDR_CLASS_RES1_MASK 0x300000 #define EHDR_CLASS_USER_MASK 0x0FFFF0 #define EHDR_CLASS_RES2_MASK 0x08 #define EHDR_CLASS_DROP_MASK 0x04 #define EHDR_CLASS_STER_MASK 0x03 /* Header for ATM traffic identification */ #define ATM_HDR_LENGTH 4 /* Multi Channel HDLC */ #define MC_HDLC_CN_MASK 0x03ff #define MC_HDLC_RES1_MASK 0xfc00 #define MC_HDLC_RES2_MASK 0xff #define MC_HDLC_FCSE_MASK 0x01 #define MC_HDLC_SRE_MASK 0x02 #define MC_HDLC_LRE_MASK 0x04 #define MC_HDLC_AFE_MASK 0x08 #define MC_HDLC_OE_MASK 0x10 #define MC_HDLC_LBE_MASK 0x20 #define MC_HDLC_FIRST_MASK 0x40 #define MC_HDLC_RES3_MASK 0x80 /* Multi Channel RAW */ #define MC_RAW_INT_MASK 0x0f #define MC_RAW_RES1_MASK 0xf0 #define MC_RAW_RES2_MASK 0xffff #define MC_RAW_RES3_MASK 0x01 #define MC_RAW_SRE_MASK 0x02 #define MC_RAW_LRE_MASK 0x04 #define MC_RAW_RES4_MASK 0x18 #define MC_RAW_LBE_MASK 0x20 #define MC_RAW_FIRST_MASK 0x40 #define MC_RAW_RES5_MASK 0x80 /* Multi Channel ATM */ #define MC_ATM_CN_MASK 0x03ff #define MC_ATM_RES1_MASK 0x7c00 #define MC_ATM_MUL_MASK 0x8000 #define MC_ATM_PORT_MASK 0x0f #define MC_ATM_RES2_MASK 0xf0 #define MC_ATM_LBE_MASK 0x01 #define MC_ATM_HEC_MASK 0x02 #define MC_ATM_CRC10_MASK 0x04 #define MC_ATM_OAMCELL_MASK 0x08 #define MC_ATM_FIRST_MASK 0x10 #define MC_ATM_RES3_MASK 0xe0 /* Multi Channel RAW Link */ #define MC_RAWL_CN_MASK 0x03ff #define MC_RAWL_RES1_MASK 0xfffc #define MC_RAWL_RES2_MASK 0x1f #define MC_RAWL_LBE_MASK 0x20 #define MC_RAWL_FIRST_MASK 0x40 #define MC_RAWL_RES3_MASK 0x80 /* Multi Channel AAL5 */ #define MC_AAL5_CN_MASK 0x03ff #define MC_AAL5_RES1_MASK 0xfc00 #define MC_AAL5_PORT_MASK 0x0f #define MC_AAL5_CRCCK_MASK 0x10 #define MC_AAL5_CRCE_MASK 0x20 #define MC_AAL5_LENCK_MASK 0x40 #define MC_AAL5_LENE_MASK 0x80 #define MC_AAL5_RES2_MASK 0x0f #define MC_AAL5_FIRST_MASK 0x10 #define MC_AAL5_RES3_MASK 0xe0 /* Multi Channel AAL2 */ #define MC_AAL2_CN_MASK 0x03ff #define MC_AAL2_RES1_MASK 0x1c00 #define MC_AAL2_RES2_MASK 0xe000 #define MC_AAL2_PORT_MASK 0x0f #define MC_AAL2_RES3_MASK 0x10 #define MC_AAL2_FIRST_MASK 0x20 #define MC_AAL2_MAALE_MASK 0x40 #define MC_AAL2_LENE_MASK 0x80 #define MC_AAL2_CID_MASK 0xff /* AAL2 */ #define AAL2_CID_MASK 0xff #define AAL2_MAALE_MASK 0xff #define AAL2_MAALEI_MASK 0x0001 #define AAL2_FIRST_MASK 0x0002 #define AAL2_RES1_MASK 0xfffc /* ETH */ #define ETH_OFF_MASK 0xff #define ETH_RES1_MASK 0xff /* Record type defines */ static const value_string erf_type_vals[] = { { ERF_TYPE_LEGACY,"LEGACY"}, { ERF_TYPE_HDLC_POS,"HDLC_POS"}, { ERF_TYPE_ETH,"ETH"}, { ERF_TYPE_ATM,"ATM"}, { ERF_TYPE_AAL5,"AAL5"}, { ERF_TYPE_MC_HDLC,"MC_HDLC"}, { ERF_TYPE_MC_RAW,"MC_RAW"}, { ERF_TYPE_MC_ATM,"MC_ATM"}, { ERF_TYPE_MC_RAW_CHANNEL,"MC_RAW_CHANNEL"}, { ERF_TYPE_MC_AAL5,"MC_AAL5"}, { ERF_TYPE_COLOR_HDLC_POS,"COLOR_HDLC_POS"}, { ERF_TYPE_COLOR_ETH,"COLOR_ETH"}, { ERF_TYPE_MC_AAL2,"MC_AAL2 "}, { ERF_TYPE_IP_COUNTER,"IP_COUNTER"}, { ERF_TYPE_TCP_FLOW_COUNTER,"TCP_FLOW_COUNTER"}, { ERF_TYPE_DSM_COLOR_HDLC_POS,"DSM_COLOR_HDLC_POS"}, { ERF_TYPE_DSM_COLOR_ETH,"DSM_COLOR_ETH "}, { ERF_TYPE_COLOR_MC_HDLC_POS,"COLOR_MC_HDLC_POS"}, { ERF_TYPE_AAL2,"AAL2"}, { ERF_TYPE_PAD,"PAD"}, { ERF_TYPE_INFINIBAND, "INFINIBAND"}, { ERF_TYPE_IPV4, "IPV4"}, { ERF_TYPE_IPV6, "IPV6"}, { ERF_TYPE_RAW_LINK, "RAW_LINK"}, {0, NULL} }; /* Extended headers type defines */ static const value_string ehdr_type_vals[] = { { EXT_HDR_TYPE_CLASSIFICATION, "Classification"}, { EXT_HDR_TYPE_INTERCEPTID, "InterceptID"}, { EXT_HDR_TYPE_RAW_LINK, "Raw Link"}, { 0, NULL } }; static const value_string raw_link_types[] = { { 0x00, "sonet"}, { 0x01, "sdh"}, { 0, NULL }, }; static const value_string raw_link_rates[] = { { 0x00, "reserved"}, { 0x01, "oc3/stm1"}, { 0x02, "oc12/stm4"}, { 0x03, "oc48/stm16"}, { 0x04, "oc192/stm64"}, { 0, NULL }, }; /* Copy of atm_guess_traffic_type from atm.c in /wiretap */ static void erf_atm_guess_lane_type(const guint8 *pd, guint len, union wtap_pseudo_header *pseudo_header) { if (len >= 2) { if (pd[0] == 0xff && pd[1] == 0x00) { /* * Looks like LE Control traffic. */ pseudo_header->atm.subtype = TRAF_ST_LANE_LE_CTRL; } else { /* * XXX - Ethernet, or Token Ring? * Assume Ethernet for now; if we see earlier * LANE traffic, we may be able to figure out * the traffic type from that, but there may * still be situations where the user has to * tell us. */ pseudo_header->atm.subtype = TRAF_ST_LANE_802_3; } } } static void erf_atm_guess_traffic_type(const guint8 *pd, guint len, union wtap_pseudo_header *pseudo_header) { /* * Start out assuming nothing other than that it's AAL5. */ pseudo_header->atm.aal = AAL_5; pseudo_header->atm.type = TRAF_UNKNOWN; pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; if (pseudo_header->atm.vpi == 0) { /* * Traffic on some PVCs with a VPI of 0 and certain * VCIs is of particular types. */ switch (pseudo_header->atm.vci) { case 5: /* * Signalling AAL. */ pseudo_header->atm.aal = AAL_SIGNALLING; return; case 16: /* * ILMI. */ pseudo_header->atm.type = TRAF_ILMI; return; } } /* * OK, we can't tell what it is based on the VPI/VCI; try * guessing based on the contents, if we have enough data * to guess. */ if (len >= 3) { if (pd[0] == 0xaa && pd[1] == 0xaa && pd[2] == 0x03) { /* * Looks like a SNAP header; assume it's LLC * multiplexed RFC 1483 traffic. */ pseudo_header->atm.type = TRAF_LLCMX; } else if ((pseudo_header->atm.aal5t_len && pseudo_header->atm.aal5t_len < 16) || len<16) { /* * As this cannot be a LANE Ethernet frame (less * than 2 bytes of LANE header + 14 bytes of * Ethernet header) we can try it as a SSCOP frame. */ pseudo_header->atm.aal = AAL_SIGNALLING; } else if (pd[0] == 0x83 || pd[0] == 0x81) { /* * MTP3b headers often encapsulate * a SCCP or MTN in the 3G network. * This should cause 0x83 or 0x81 * in the first byte. */ pseudo_header->atm.aal = AAL_SIGNALLING; } else { /* * Assume it's LANE. */ pseudo_header->atm.type = TRAF_LANE; erf_atm_guess_lane_type(pd, len, pseudo_header); } } else { /* * Not only VCI 5 is used for signaling. It might be * one of these VCIs. */ pseudo_header->atm.aal = AAL_SIGNALLING; } } static void dissect_classification_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *pseudo_hdr_tree, int idx) { proto_item *int_item= NULL, *flags_item = NULL; proto_tree *int_tree = NULL, *flags_tree = NULL; guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr; guint32 value = (guint32)(hdr >> 32); if (pseudo_hdr_tree){ int_item = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "Classification"); int_tree = proto_item_add_subtree(int_item, ett_erf_pseudo_hdr); PROTO_ITEM_SET_GENERATED(int_item); proto_tree_add_uint(int_tree, hf_erf_ehdr_t , tvb, 0, 0, (guint8)((hdr >> 56) & 0x7F)); flags_item=proto_tree_add_uint(int_tree, hf_erf_ehdr_class_flags, tvb, 0, 0, value & 0xFFFFFF); flags_tree = proto_item_add_subtree(flags_item, ett_erf_flags); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_sh, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_shm, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_res1, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_user, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_res2, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_drop, tvb, 0, 0, value); proto_tree_add_uint(flags_tree, hf_erf_ehdr_class_flags_str, tvb, 0, 0, value); proto_tree_add_uint(int_tree, hf_erf_ehdr_class_seqnum, tvb, 0, 0, (guint32)hdr); } } static void dissect_intercept_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *pseudo_hdr_tree, int idx) { proto_item *int_item= NULL; proto_tree *int_tree = NULL; guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr; if (pseudo_hdr_tree){ int_item = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "InterceptID"); int_tree = proto_item_add_subtree(int_item, ett_erf_pseudo_hdr); PROTO_ITEM_SET_GENERATED(int_item); proto_tree_add_uint(int_tree, hf_erf_ehdr_t , tvb, 0, 0, (guint8)((hdr >> 56) & 0x7F)); proto_tree_add_uint(int_tree, hf_erf_ehdr_int_res1, tvb, 0, 0, (guint8)((hdr >> 48) & 0xFF)); proto_tree_add_uint(int_tree, hf_erf_ehdr_int_id, tvb, 0, 0, (guint16)((hdr >> 32 ) & 0xFFFF)); proto_tree_add_uint(int_tree, hf_erf_ehdr_int_res2, tvb, 0, 0, (guint32)hdr); } } static void dissect_raw_link_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *pseudo_hdr_tree, int idx) { proto_item *int_item= NULL; proto_tree *int_tree = NULL; guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr; if (pseudo_hdr_tree){ int_item = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "Raw Link"); int_tree = proto_item_add_subtree(int_item, ett_erf_pseudo_hdr); PROTO_ITEM_SET_GENERATED(int_item); proto_tree_add_uint(int_tree, hf_erf_ehdr_t , tvb, 0, 0, (guint8)((hdr >> 56) & 0x7F)); proto_tree_add_uint(int_tree, hf_erf_ehdr_raw_link_res , tvb, 0, 0, (guint32)((hdr >> 32) & 0xFFFFFF)); proto_tree_add_uint(int_tree, hf_erf_ehdr_raw_link_seqnum , tvb, 0, 0, (guint32)((hdr >> 16) & 0xffff)); proto_tree_add_uint(int_tree, hf_erf_ehdr_raw_link_rate, tvb, 0, 0, (guint32)((hdr >> 8) & 0x00ff)); proto_tree_add_uint(int_tree, hf_erf_ehdr_raw_link_type, tvb, 0, 0, (guint32)(hdr & 0x00ff)); } } static void dissect_unknown_ex_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *pseudo_hdr_tree, int idx) { proto_item *unk_item= NULL; proto_tree *unk_tree = NULL; guint64 hdr = pinfo->pseudo_header->erf.ehdr_list[idx].ehdr; if (pseudo_hdr_tree){ unk_item = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "Unknown"); unk_tree = proto_item_add_subtree(unk_item, ett_erf_pseudo_hdr); PROTO_ITEM_SET_GENERATED(unk_item); proto_tree_add_uint(unk_tree, hf_erf_ehdr_t , tvb, 0, 0, (guint8)((hdr >> 56) & 0x7F)); proto_tree_add_uint64(unk_tree, hf_erf_ehdr_unk, tvb, 0, 0, hdr); } } static void dissect_mc_hdlc_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *mc_hdlc_item = NULL; proto_tree *mc_hdlc_tree = NULL; struct erf_mc_hdlc_hdrx * mc_hdlc; if (tree) { mc_hdlc_item = proto_tree_add_text(tree, tvb, 0, 0, "Multi Channel HDLC Header"); mc_hdlc_tree = proto_item_add_subtree(mc_hdlc_item, ett_erf_mc_hdlc); PROTO_ITEM_SET_GENERATED(mc_hdlc_item); mc_hdlc = (struct erf_mc_hdlc_hdrx *) (&pinfo->pseudo_header->erf.subhdr.mc_hdr); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_cn, tvb, 0, 0, mc_hdlc->byte01); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res1, tvb, 0, 0, mc_hdlc->byte01); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res2, tvb, 0, 0, mc_hdlc->byte2); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_fcse, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_sre, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_lre, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_afe, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_oe, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_lbe, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_first, tvb, 0, 0, mc_hdlc->byte3); proto_tree_add_uint(mc_hdlc_tree, hf_erf_mc_hdlc_res3, tvb, 0, 0, mc_hdlc->byte3); } } static void dissect_mc_raw_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *mc_raw_item = NULL; 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_aal2_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *aal2_item = NULL; proto_tree *aal2_tree = NULL; struct erf_aal2_hdrx * aal2; if (tree) { aal2_item = proto_tree_add_text(tree, tvb, 0, 0, "AAL2 Header"); aal2_tree = proto_item_add_subtree(aal2_item, ett_erf_aal2); PROTO_ITEM_SET_GENERATED(aal2_item); aal2 = (struct erf_aal2_hdrx*) (&pinfo->pseudo_header->erf.subhdr.mc_hdr); proto_tree_add_uint(aal2_tree, hf_erf_aal2_cid, tvb, 0, 0, aal2->byte0); proto_tree_add_uint(aal2_tree, hf_erf_aal2_maale, tvb, 0, 0, aal2->byte1); proto_tree_add_uint(aal2_tree, hf_erf_aal2_maalei, tvb, 0, 0, aal2->byte23); proto_tree_add_uint(aal2_tree, hf_erf_aal2_first, tvb, 0, 0, aal2->byte23); proto_tree_add_uint(aal2_tree, hf_erf_aal2_res1, tvb, 0, 0, aal2->byte23); } } 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, *types_item = NULL; proto_tree *pseudo_hdr_tree = NULL, *flags_tree = NULL, *types_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); types_item = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "Header type"); PROTO_ITEM_SET_GENERATED(types_item); types_tree = proto_item_add_subtree(types_item, ett_erf_types); pi=proto_tree_add_uint(types_tree, hf_erf_type, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.type); pi=proto_tree_add_uint(types_tree, hf_erf_ehdr, 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); if (pinfo->pseudo_header->erf.phdr.lctr > 0) expert_add_info_format(pinfo, pi, PI_SEQUENCE, PI_WARN, "Packet loss occurred between previous and current packet"); pi=proto_tree_add_uint(pseudo_hdr_tree, hf_erf_wlen, tvb, 0, 0, pinfo->pseudo_header->erf.phdr.wlen); } static void dissect_erf_pseudo_extension_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *pi; proto_item *pseudo_hdr_item = NULL; proto_tree *pseudo_hdr_tree = NULL; guint8 type; guint8 has_more = pinfo->pseudo_header->erf.phdr.type & 0x80; int i = 0; int max = sizeof(pinfo->pseudo_header->erf.ehdr_list)/sizeof(struct erf_ehdr); pseudo_hdr_item = proto_tree_add_text(tree, tvb, 0, 0, "ERF Extension Headers"); pseudo_hdr_tree = proto_item_add_subtree(pseudo_hdr_item, ett_erf_pseudo_hdr); PROTO_ITEM_SET_GENERATED(pseudo_hdr_item); while(has_more && i < max){ type = (guint8) (pinfo->pseudo_header->erf.ehdr_list[i].ehdr >> 56); switch(type & 0x7f){ case EXT_HDR_TYPE_CLASSIFICATION: dissect_classification_ex_header(tvb, pinfo, pseudo_hdr_tree, i); break; case EXT_HDR_TYPE_INTERCEPTID: dissect_intercept_ex_header(tvb, pinfo, pseudo_hdr_tree, i); break; case EXT_HDR_TYPE_RAW_LINK: dissect_raw_link_ex_header(tvb, pinfo, pseudo_hdr_tree, i); break; default: dissect_unknown_ex_header(tvb, pinfo, pseudo_hdr_tree, i); break; } has_more = type & 0x80; i++; } if (has_more){ pi = proto_tree_add_text(pseudo_hdr_tree, tvb, 0, 0, "More extension header present"); expert_add_info_format(pinfo, pi, PI_SEQUENCE, PI_WARN, "Some of the extension headers are not shown"); } } static void dissect_erf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { guint8 flags; guint8 erf_type; guint32 atm_hdr=0; proto_item *erf_item = NULL; proto_tree *erf_tree = NULL; guint atm_pdu_caplen; const guint8 *atm_pdu; erf_hdlc_type_vals hdlc_type; guint8 first_byte; tvbuff_t *new_tvb; guint8 aal2_cid; erf_type=pinfo->pseudo_header->erf.phdr.type & 0x7F; col_set_str(pinfo->cinfo, COL_PROTOCOL, "ERF"); if (check_col(pinfo->cinfo, COL_INFO)) { col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(erf_type, erf_type_vals, "Unknown type %u")); } 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_pseudo_header(tvb, pinfo, erf_tree); if (pinfo->pseudo_header->erf.phdr.type & 0x80){ dissect_erf_pseudo_extension_header(tvb, pinfo, erf_tree); } } flags = pinfo->pseudo_header->erf.phdr.flags; /* * Set if frame is Received or Sent. * XXX - this is really testing the low-order bit of the capture * interface number, so interface 0 is assumed to be capturing * in one direction on a bi-directional link, interface 1 is * assumed to be capturing in the other direction on that link, * and interfaces 2 and 3 are assumed to be capturing in two * different directions on another link. We don't distinguish * between the two links. */ pinfo->p2p_dir = ( (flags & 0x01) ? P2P_DIR_RECV : P2P_DIR_SENT); switch(erf_type) { case ERF_TYPE_RAW_LINK: call_dissector(data_handle, tvb, pinfo, erf_tree); break; case ERF_TYPE_IPV4: if (ipv4_handle) call_dissector(ipv4_handle, tvb, pinfo, erf_tree); else call_dissector(data_handle, tvb, pinfo, erf_tree); break; case ERF_TYPE_IPV6: if (ipv6_handle) call_dissector(ipv6_handle, tvb, pinfo, erf_tree); else call_dissector(data_handle, tvb, pinfo, erf_tree); break; case ERF_TYPE_INFINIBAND: if (infiniband_handle) call_dissector(infiniband_handle, tvb, pinfo, erf_tree); else call_dissector(data_handle, tvb, pinfo, erf_tree); break; 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 */ if (erf_rawcell_first) { new_tvb = tvb_new_subset_remaining(tvb, ATM_HDR_LENGTH); /* Treat this as a (short) ATM AAL5 PDU */ pinfo->pseudo_header->atm.aal = AAL_5; switch (erf_aal5_type) { case ERF_AAL5_GUESS: pinfo->pseudo_header->atm.type = TRAF_UNKNOWN; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; /* Try to guess the type according to the first bytes */ atm_pdu_caplen = tvb_length(new_tvb); atm_pdu = tvb_get_ptr(new_tvb, 0, atm_pdu_caplen); erf_atm_guess_traffic_type(atm_pdu, atm_pdu_caplen, pinfo->pseudo_header); break; case ERF_AAL5_LLC: pinfo->pseudo_header->atm.type = TRAF_LLCMX; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; break; } call_dissector(atm_untruncated_handle, new_tvb, pinfo, tree); } else { /* Treat this as a raw cell */ pinfo->pseudo_header->atm.flags |= ATM_RAW_CELL; pinfo->pseudo_header->atm.flags |= ATM_NO_HEC; pinfo->pseudo_header->atm.aal = AAL_UNKNOWN; /* can call atm_untruncated because we set ATM_RAW_CELL flag */ call_dissector(atm_untruncated_handle, 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); new_tvb = tvb_new_subset_remaining(tvb, ATM_HDR_LENGTH); /* Work around to have decoding working */ pinfo->pseudo_header->atm.aal = AAL_5; switch (erf_aal5_type) { case ERF_AAL5_GUESS: pinfo->pseudo_header->atm.type = TRAF_UNKNOWN; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; /* Try to guess the type according to the first bytes */ atm_pdu_caplen = tvb_length(new_tvb); atm_pdu = tvb_get_ptr(new_tvb, 0, atm_pdu_caplen); erf_atm_guess_traffic_type(atm_pdu, atm_pdu_caplen, pinfo->pseudo_header); break; case ERF_AAL5_LLC: pinfo->pseudo_header->atm.type = TRAF_LLCMX; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; break; } call_dissector(atm_untruncated_handle, new_tvb, pinfo, tree); break; case ERF_TYPE_MC_AAL2: dissect_mc_aal2_header(tvb, pinfo, erf_tree); /* * ERF_TYPE_MC_AAL2 MC pseudoheader is not included in tvb, * and we do not supply 'dct2000' pseudoheader. */ atm_hdr = tvb_get_ntohl(tvb, 0); aal2_cid = ((struct erf_mc_aal2_hdrx *)(&pinfo->pseudo_header->erf.subhdr.mc_hdr))->byte3; /* Change wtap pseudo_header from erf to atm for atm dissector */ memset(&pinfo->pseudo_header->atm, 0, sizeof(pinfo->pseudo_header->atm)); /* fill in atm pseudo header */ pinfo->pseudo_header->atm.aal = AAL_2; pinfo->pseudo_header->atm.flags |= ATM_AAL2_NOPHDR; 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); pinfo->pseudo_header->atm.aal2_cid = aal2_cid; pinfo->pseudo_header->atm.type = TRAF_UNKNOWN; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; /* remove ATM cell header from tvb */ new_tvb = tvb_new_subset_remaining(tvb, ATM_HDR_LENGTH); call_dissector(atm_untruncated_handle, new_tvb, pinfo, tree); break; case ERF_TYPE_AAL2: dissect_aal2_header(tvb, pinfo, erf_tree); /* * We removed the ERF_TYPE_AAL2 'ext' pseudoheader in wtap, * and do not supply the 'dct2000' pseudoheader. */ atm_hdr = tvb_get_ntohl(tvb, 0); aal2_cid = ((struct erf_aal2_hdrx *)(&pinfo->pseudo_header->erf.subhdr.mc_hdr))->byte0; /* Change wtap pseudo_header from erf to atm for atm dissector */ memset(&pinfo->pseudo_header->atm, 0, sizeof(pinfo->pseudo_header->atm)); /* fill in atm pseudo header */ pinfo->pseudo_header->atm.aal = AAL_2; pinfo->pseudo_header->atm.flags |= ATM_AAL2_NOPHDR; 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); pinfo->pseudo_header->atm.type = TRAF_UNKNOWN; pinfo->pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; /* remove ATM cell header from tvb */ new_tvb = tvb_new_subset_remaining(tvb, ATM_HDR_LENGTH); call_dissector(atm_untruncated_handle, 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); if (erf_ethfcs) call_dissector(ethwithfcs_handle, tvb, pinfo, tree); else call_dissector(ethwithoutfcs_handle, 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: hdlc_type = erf_hdlc_type; if (hdlc_type == ERF_HDLC_GUESS) { /* Try to guess the type. */ first_byte = tvb_get_guint8(tvb, 0); if (first_byte == 0x0f || first_byte == 0x8f) hdlc_type = ERF_HDLC_CHDLC; else { /* Anything to check for to recognize Frame Relay or MTP2? Should we require PPP packets to beging with FF 03? */ hdlc_type = ERF_HDLC_PPP; } } /* Clean the pseudo header (if used in subdissector) and call the appropriate subdissector. */ switch (hdlc_type) { case ERF_HDLC_CHDLC: call_dissector(chdlc_handle, tvb, pinfo, tree); break; case ERF_HDLC_PPP: call_dissector(ppp_handle, tvb, pinfo, tree); break; case ERF_HDLC_FRELAY: memset(&pinfo->pseudo_header->x25, 0, sizeof(pinfo->pseudo_header->x25)); call_dissector(frelay_handle, tvb, pinfo, tree); break; case ERF_HDLC_MTP2: /* not used, but .. */ memset(&pinfo->pseudo_header->mtp2, 0, sizeof(pinfo->pseudo_header->mtp2)); call_dissector(mtp2_handle, tvb, pinfo, tree); break; default: break; } break; default: break; } /* erf type */ } void proto_register_erf(void) { static hf_register_info hf[] = { /* ERF Header */ { &hf_erf_ts, { "Timestamp", "erf.ts", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_erf_types, { "types", "erf.types", FT_UINT8, BASE_DEC, NULL, 0xFF, NULL, HFILL } }, { &hf_erf_type, { "type", "erf.types.type", FT_UINT8, BASE_DEC, VALS(erf_type_vals), 0x7F, NULL, HFILL } }, { &hf_erf_ehdr, { "Extension header present", "erf.types.ext_header", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_erf_flags,{ "flags", "erf.flags", FT_UINT8, BASE_DEC, NULL, 0xFF, NULL, HFILL } }, { &hf_erf_flags_cap,{ "capture interface", "erf.flags.cap", FT_UINT8, BASE_DEC, NULL, 0x03, NULL, HFILL } }, { &hf_erf_flags_vlen,{ "varying record length", "erf.flags.vlen", FT_UINT8, BASE_DEC, NULL, 0x04, NULL, HFILL } }, { &hf_erf_flags_trunc,{ "truncated", "erf.flags.trunc", FT_UINT8, BASE_DEC, NULL, 0x08, NULL, HFILL } }, { &hf_erf_flags_rxe,{ "rx error", "erf.flags.rxe", FT_UINT8, BASE_DEC, NULL, 0x10, NULL, HFILL } }, { &hf_erf_flags_dse,{ "ds error", "erf.flags.dse", FT_UINT8, BASE_DEC, NULL, 0x20, NULL, HFILL } }, { &hf_erf_flags_res,{ "reserved", "erf.flags.res", FT_UINT8, BASE_DEC, NULL, 0xC0, NULL, HFILL } }, { &hf_erf_rlen, { "record length", "erf.rlen", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_lctr, { "loss counter", "erf.lctr", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_wlen, { "wire length", "erf.wlen", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_t, { "Extension Type", "erf.ehdr.types", FT_UINT8, BASE_DEC, VALS(ehdr_type_vals), 0x0, NULL, HFILL } }, /* Intercept ID Extension Header */ { &hf_erf_ehdr_int_res1, { "Reserved", "erf.ehdr.int.res1", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_int_id, { "Intercept ID", "erf.ehdr.int.intid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_int_res2, { "Reserved", "erf.ehdr.int.res2", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* Raw Link Extension Header */ { &hf_erf_ehdr_raw_link_res, { "Reserved", "erf.ehdr.raw.res", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_raw_link_seqnum, { "Sequence number", "erf.ehdr.raw.seqnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_raw_link_rate, { "Rate", "erf.ehdr.raw.rate", FT_UINT8, BASE_DEC, VALS(raw_link_rates), 0x0, NULL, HFILL } }, { &hf_erf_ehdr_raw_link_type, { "Link Type", "erf.ehdr.raw.link_type", FT_UINT8, BASE_DEC, VALS(raw_link_types), 0x0, NULL, HFILL } }, /* Classification Extension Header */ { &hf_erf_ehdr_class_flags, { "Flags", "erf.ehdr.class.flags", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_sh, { "Search hit", "erf.ehdr.class.flags.sh", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_SH_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_shm, { "Multiple search hits", "erf.ehdr.class.flags.shm", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_SHM_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_res1, { "Reserved", "erf.ehdr.class.flags.res1", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_RES1_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_user, { "User classification", "erf.ehdr.class.flags.user", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_USER_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_res2, { "Reserved", "erf.ehdr.class.flags.res2", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_RES2_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_drop, { "Drop Steering Bit", "erf.ehdr.class.flags.drop", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_DROP_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_flags_str, { "Stream Steering Bits", "erf.ehdr.class.flags.str", FT_UINT32, BASE_DEC, NULL, EHDR_CLASS_STER_MASK, NULL, HFILL } }, { &hf_erf_ehdr_class_seqnum, { "Sequence number", "erf.ehdr.class.seqnum", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* Unknown Extension Header */ { &hf_erf_ehdr_unk, { "Data", "erf.ehdr.unknown.data", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } }, /* MC HDLC Header */ { &hf_erf_mc_hdlc_cn, { "connection number", "erf.mchdlc.cn", FT_UINT16, BASE_DEC, NULL, MC_HDLC_CN_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_res1, { "reserved", "erf.mchdlc.res1", FT_UINT16, BASE_DEC, NULL, MC_HDLC_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_res2, { "reserved", "erf.mchdlc.res2", FT_UINT8, BASE_DEC, NULL, MC_HDLC_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_fcse, { "FCS error", "erf.mchdlc.fcse", FT_UINT8, BASE_DEC, NULL, MC_HDLC_FCSE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_sre, { "Short record error", "erf.mchdlc.sre", FT_UINT8, BASE_DEC, NULL, MC_HDLC_SRE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_lre, { "Long record error", "erf.mchdlc.lre", FT_UINT8, BASE_DEC, NULL, MC_HDLC_LRE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_afe, { "Aborted frame error", "erf.mchdlc.afe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_AFE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_oe, { "Octet error", "erf.mchdlc.oe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_OE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_lbe, { "Lost byte error", "erf.mchdlc.lbe", FT_UINT8, BASE_DEC, NULL, MC_HDLC_LBE_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_first, { "First record", "erf.mchdlc.first", FT_UINT8, BASE_DEC, NULL, MC_HDLC_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_hdlc_res3, { "reserved", "erf.mchdlc.res3", FT_UINT8, BASE_DEC, NULL, MC_HDLC_RES3_MASK, NULL, HFILL } }, /* MC RAW Header */ { &hf_erf_mc_raw_int, { "physical interface", "erf.mcraw.int", FT_UINT8, BASE_DEC, NULL, MC_RAW_INT_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_res1, { "reserved", "erf.mcraw.res1", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_res2, { "reserved", "erf.mcraw.res2", FT_UINT16, BASE_DEC, NULL, MC_RAW_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_res3, { "reserved", "erf.mcraw.res3", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES3_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_sre, { "Short record error", "erf.mcraw.sre", FT_UINT8, BASE_DEC, NULL, MC_RAW_SRE_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_lre, { "Long record error", "erf.mcraw.lre", FT_UINT8, BASE_DEC, NULL, MC_RAW_LRE_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_res4, { "reserved", "erf.mcraw.res4", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES4_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_lbe, { "Lost byte error", "erf.mcraw.lbe", FT_UINT8, BASE_DEC, NULL, MC_RAW_LBE_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_first, { "First record", "erf.mcraw.first", FT_UINT8, BASE_DEC, NULL, MC_RAW_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_raw_res5, { "reserved", "erf.mcraw.res5", FT_UINT8, BASE_DEC, NULL, MC_RAW_RES5_MASK, NULL, HFILL } }, /* MC ATM Header */ { &hf_erf_mc_atm_cn, { "connection number", "erf.mcatm.cn", FT_UINT16, BASE_DEC, NULL, MC_ATM_CN_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_res1, { "reserved", "erf.mcatm.res1", FT_UINT16, BASE_DEC, NULL, MC_ATM_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_mul, { "multiplexed", "erf.mcatm.mul", FT_UINT16, BASE_DEC, NULL, MC_ATM_MUL_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_port, { "physical port", "erf.mcatm.port", FT_UINT8, BASE_DEC, NULL, MC_ATM_PORT_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_res2, { "reserved", "erf.mcatm.res2", FT_UINT8, BASE_DEC, NULL, MC_ATM_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_lbe, { "Lost Byte Error", "erf.mcatm.lbe", FT_UINT8, BASE_DEC, NULL, MC_ATM_LBE_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_hec, { "HEC corrected", "erf.mcatm.hec", FT_UINT8, BASE_DEC, NULL, MC_ATM_HEC_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_crc10, { "OAM Cell CRC10 Error (not implemented)", "erf.mcatm.crc10", FT_UINT8, BASE_DEC, NULL, MC_ATM_CRC10_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_oamcell, { "OAM Cell", "erf.mcatm.oamcell", FT_UINT8, BASE_DEC, NULL, MC_ATM_OAMCELL_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_first, { "First record", "erf.mcatm.first", FT_UINT8, BASE_DEC, NULL, MC_ATM_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_atm_res3, { "reserved", "erf.mcatm.res3", FT_UINT8, BASE_DEC, NULL, MC_ATM_RES3_MASK, NULL, HFILL } }, /* MC RAW Link Header */ { &hf_erf_mc_rawl_cn, { "connection number", "erf.mcrawl.cn", FT_UINT8, BASE_DEC, NULL, MC_RAWL_CN_MASK, NULL, HFILL } }, { &hf_erf_mc_rawl_res1, { "reserved", "erf.mcrawl.res1", FT_UINT16, BASE_DEC, NULL, MC_RAWL_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_rawl_res2, { "reserved", "erf.mcrawl.res2", FT_UINT8, BASE_DEC, NULL, MC_RAWL_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_rawl_lbe, { "Lost byte error", "erf.mcrawl.lbe", FT_UINT8, BASE_DEC, NULL, MC_RAWL_LBE_MASK, NULL, HFILL } }, { &hf_erf_mc_rawl_first, { "First record", "erf.mcrawl.first", FT_UINT8, BASE_DEC, NULL, MC_RAWL_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_rawl_res3, { "reserved", "erf.mcrawl.res5", FT_UINT8, BASE_DEC, NULL, MC_RAWL_RES3_MASK, NULL, HFILL } }, /* MC AAL5 Header */ { &hf_erf_mc_aal5_cn, { "connection number", "erf.mcaal5.cn", FT_UINT16, BASE_DEC, NULL, MC_AAL5_CN_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_res1, { "reserved", "erf.mcaal5.res1", FT_UINT16, BASE_DEC, NULL, MC_AAL5_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_port, { "physical port", "erf.mcaal5.port", FT_UINT8, BASE_DEC, NULL, MC_AAL5_PORT_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_crcck, { "CRC checked", "erf.mcaal5.crcck", FT_UINT8, BASE_DEC, NULL, MC_AAL5_CRCCK_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_crce, { "CRC error", "erf.mcaal5.crce", FT_UINT8, BASE_DEC, NULL, MC_AAL5_CRCE_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_lenck, { "Length checked", "erf.mcaal5.lenck", FT_UINT8, BASE_DEC, NULL, MC_AAL5_LENCK_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_lene, { "Length error", "erf.mcaal5.lene", FT_UINT8, BASE_DEC, NULL, MC_AAL5_LENE_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_res2, { "reserved", "erf.mcaal5.res2", FT_UINT8, BASE_DEC, NULL, MC_AAL5_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_first, { "First record", "erf.mcaal5.first", FT_UINT8, BASE_DEC, NULL, MC_AAL5_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_aal5_res3, { "reserved", "erf.mcaal5.res3", FT_UINT8, BASE_DEC, NULL, MC_AAL5_RES3_MASK, NULL, HFILL } }, /* MC AAL2 Header */ { &hf_erf_mc_aal2_cn, { "connection number", "erf.mcaal2.cn", FT_UINT16, BASE_DEC, NULL, MC_AAL2_CN_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_res1, { "reserved for extra connection", "erf.mcaal2.res1", FT_UINT16, BASE_DEC, NULL, MC_AAL2_RES1_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_res2, { "reserved for type", "erf.mcaal2.mul", FT_UINT16, BASE_DEC, NULL, MC_AAL2_RES2_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_port, { "physical port", "erf.mcaal2.port", FT_UINT8, BASE_DEC, NULL, MC_AAL2_PORT_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_res3, { "reserved", "erf.mcaal2.res2", FT_UINT8, BASE_DEC, NULL, MC_AAL2_RES3_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_first, { "first cell received", "erf.mcaal2.lbe", FT_UINT8, BASE_DEC, NULL, MC_AAL2_FIRST_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_maale, { "MAAL error", "erf.mcaal2.hec", FT_UINT8, BASE_DEC, NULL, MC_AAL2_MAALE_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_lene, { "Length error", "erf.mcaal2.crc10", FT_UINT8, BASE_DEC, NULL, MC_AAL2_LENE_MASK, NULL, HFILL } }, { &hf_erf_mc_aal2_cid, { "Channel Identification Number", "erf.mcaal2.cid", FT_UINT8, BASE_DEC, NULL, MC_AAL2_CID_MASK, NULL, HFILL } }, /* AAL2 Header */ { &hf_erf_aal2_cid, { "Channel Identification Number", "erf.aal2.cid", FT_UINT8, BASE_DEC, NULL, AAL2_CID_MASK, NULL, HFILL } }, { &hf_erf_aal2_maale, { "MAAL error number", "erf.aal2.maale", FT_UINT8, BASE_DEC, NULL, AAL2_MAALE_MASK, NULL, HFILL } }, { &hf_erf_aal2_maalei, { "MAAL error", "erf.aal2.hec", FT_UINT16, BASE_DEC, NULL, AAL2_MAALEI_MASK, NULL, HFILL } }, { &hf_erf_aal2_first, { "first cell received", "erf.aal2.lbe", FT_UINT16, BASE_DEC, NULL, AAL2_FIRST_MASK, NULL, HFILL } }, { &hf_erf_aal2_res1, { "reserved", "erf.aal2.res1", FT_UINT16, BASE_DEC, NULL, AAL2_RES1_MASK, NULL, HFILL } }, /* ETH Header */ { &hf_erf_eth_off, { "offset", "erf.eth.off", FT_UINT8, BASE_DEC, NULL, ETH_OFF_MASK, NULL, HFILL } }, { &hf_erf_eth_res1, { "reserved", "erf.eth.res1", FT_UINT8, BASE_DEC, NULL, ETH_RES1_MASK, NULL, HFILL } }, }; static gint *ett[] = { &ett_erf, &ett_erf_pseudo_hdr, &ett_erf_types, &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_aal2, &ett_erf_eth }; static enum_val_t erf_hdlc_options[] = { { "chdlc", "Cisco HDLC", ERF_HDLC_CHDLC }, { "ppp", "PPP serial", ERF_HDLC_PPP }, { "frelay", "Frame Relay", ERF_HDLC_FRELAY }, { "mtp2", "SS7 MTP2", ERF_HDLC_MTP2 }, { "guess", "Attempt to guess", ERF_HDLC_GUESS }, { NULL, NULL, 0 } }; static enum_val_t erf_aal5_options[] = { { "guess", "Attempt to guess", ERF_AAL5_GUESS }, { "llc", "LLC multiplexed", ERF_AAL5_LLC }, { 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, "hdlc_type", "ERF_HDLC Layer 2", "Protocol encapsulated in HDLC records", &erf_hdlc_type, erf_hdlc_options, FALSE); prefs_register_bool_preference(erf_module, "rawcell_first", "Raw ATM cells are first cell of AAL5 PDU", "Whether raw ATM cells should be treated as " "the first cell of an AAL5 PDU", &erf_rawcell_first); prefs_register_enum_preference(erf_module, "aal5_type", "ATM AAL5 packet type", "Protocol encapsulated in ATM AAL5 packets", &erf_aal5_type, erf_aal5_options, FALSE); prefs_register_bool_preference(erf_module, "ethfcs", "Ethernet packets have FCS", "Whether the FCS is present in Ethernet packets", &erf_ethfcs); } void proto_reg_handoff_erf(void) { dissector_handle_t erf_handle; erf_handle = find_dissector("erf"); dissector_add("wtap_encap", WTAP_ENCAP_ERF, erf_handle); /* Dissector called to dump raw data, or unknown protocol */ data_handle = find_dissector("data"); /* Get handle for IP dissectors) */ ipv4_handle = find_dissector("ip"); ipv6_handle = find_dissector("ipv6"); /* Get handle for Infiniband dissector */ infiniband_handle = find_dissector("infiniband"); /* Get handles for serial line protocols */ chdlc_handle = find_dissector("chdlc"); ppp_handle = find_dissector("ppp_hdlc"); frelay_handle = find_dissector("fr"); mtp2_handle = find_dissector("mtp2"); /* Get handle for ATM dissector */ atm_untruncated_handle = find_dissector("atm_untruncated"); /* Get handles for Ethernet dissectors */ ethwithfcs_handle = find_dissector("eth_withfcs"); ethwithoutfcs_handle = find_dissector("eth_withoutfcs"); }