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/* packet-sprt.h
*
* Routines for SPRT dissection
* SPRT = Simple Packet Relay Transport
*
* $Id$
*
* Written by Jamison Adcock <jamison.adcock@cobham.com>
* for Sparta Inc., dba Cobham Analytic Solutions
* This code is largely based on the RTP parsing code
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _PACKET_SPRT_H
#define _PACKET_SPRT_H
/* for some "range_string"s, there's only one value in the range */
#define SPRT_VALUE_RANGE(a) a,a
/* TODO - conversation states */
#define SPRT_STATE_XXX_TODO 0
#define SPRT_CONV_MAX_SETUP_METHOD_SIZE 12
/* is DLCI field present in I_OCTET message? See "DLCI enabled" in CONNECT message */
typedef enum {
DLCI_UNKNOWN,
DLCI_PRESENT,
DLCI_ABSENT
} i_octet_dlci_status_t;
/* Keep conversation info for one side of an SPRT conversation
* TODO - this needs to be bidirectional
*/
struct _sprt_conversation_info
{
gchar method[SPRT_CONV_MAX_SETUP_METHOD_SIZE + 1];
gboolean stream_started;
guint32 frame_number; /* the frame where this conversation is started */
/* sequence numbers for each channel: */
guint32 seqnum[4];
/* are we using the DLCI field in I_OCTET messages? See CONNECT message ("DLCI enabled") */
i_octet_dlci_status_t i_octet_dlci_status;
guint32 connect_frame_number; /* the CONNECT frame that tells us if the DLCI is enabled */
/* TODO - maintain state */
};
void sprt_add_address(packet_info *pinfo,
address *addr,
int port,
int other_port,
const gchar *setup_method,
guint32 setup_frame_number);
/* SPRT Message IDs: */
#define SPRT_MODEM_RELAY_MSG_ID_NULL 0
#define SPRT_MODEM_RELAY_MSG_ID_INIT 1
#define SPRT_MODEM_RELAY_MSG_ID_XID_XCHG 2
#define SPRT_MODEM_RELAY_MSG_ID_JM_INFO 3
#define SPRT_MODEM_RELAY_MSG_ID_START_JM 4
#define SPRT_MODEM_RELAY_MSG_ID_CONNECT 5
#define SPRT_MODEM_RELAY_MSG_ID_BREAK 6
#define SPRT_MODEM_RELAY_MSG_ID_BREAK_ACK 7
#define SPRT_MODEM_RELAY_MSG_ID_MR_EVENT 8
#define SPRT_MODEM_RELAY_MSG_ID_CLEARDOWN 9
#define SPRT_MODEM_RELAY_MSG_ID_PROF_XCHG 10
/* 11 -15 Reserved */
#define SPRT_MODEM_RELAY_MSG_ID_RESERVED1_START 11
#define SPRT_MODEM_RELAY_MSG_ID_RESERVED1_END 15
/* Data */
#define SPRT_MODEM_RELAY_MSG_ID_I_RAW_OCTET 16
#define SPRT_MODEM_RELAY_MSG_ID_I_RAW_BIT 17
#define SPRT_MODEM_RELAY_MSG_ID_I_OCTET 18
#define SPRT_MODEM_RELAY_MSG_ID_I_CHAR_STAT 19
#define SPRT_MODEM_RELAY_MSG_ID_I_CHAR_DYN 20
#define SPRT_MODEM_RELAY_MSG_ID_I_FRAME 21
#define SPRT_MODEM_RELAY_MSG_ID_I_OCTET_CS 22
#define SPRT_MODEM_RELAY_MSG_ID_I_CHAR_STAT_CS 23
#define SPRT_MODEM_RELAY_MSG_ID_I_CHAR_DYN_CS 24
/* 25 - 99 Reserved */
#define SPRT_MODEM_RELAY_MSG_ID_RESERVED2_START 25
#define SPRT_MODEM_RELAY_MSG_ID_RESERVED2_END 99
/* 100 - 127 Vendor-specific */
#define SPRT_MODEM_RELAY_MSG_ID_VENDOR_START 100
#define SPRT_MODEM_RELAY_MSG_ID_VENDOR_END 127
/* error correcting protocol in XID_XCHG message: */
#define SPRT_ECP_NO_LINK_LAYER_PROTO 0
#define SPRT_ECP_V42_LAPM 1
#define SPRT_ECP_ANNEX_AV42_1996 2
/* 3 - 25 Reserved for ITU-T */
#define SPRT_ECP_RESERVED_START 3
#define SPRT_ECP_RESERVED_END 25
/* category ID used in JM_INFO message: */
#define SPRT_JM_INFO_CAT_ID_CALL_FUNCT 0x8
#define SPRT_JM_INFO_CAT_ID_MOD_MODES 0xA
#define SPRT_JM_INFO_CAT_ID_PROTOCOLS 0x5
#define SPRT_JM_INFO_CAT_ID_PSTN_ACCESS 0xB
#define SPRT_JM_INFO_CAT_ID_PCM_MODEM_AVAIL 0xE
#define SPRT_JM_INFO_CAT_ID_CATEGORY_EXTENSION 0x0
#define SPRT_JMINFO_TBC_CALL_FUNCT_PSTN_MULTIMEDIA_TERM 0x4
#define SPRT_JMINFO_TBC_CALL_FUNCT_TEXTPHONE_ITU_T_REC_V18 0x2
#define SPRT_JMINFO_TBC_CALL_FUNCT_VIDEOTEXT_ITU_T_REC_T101 0x6
#define SPRT_JMINFO_TBC_CALL_FUNCT_TRANS_FAX_ITU_T_REC_T30 0x1
#define SPRT_JMINFO_TBC_CALL_FUNCT_RECV_FAX_ITU_T_REC_T30 0x5
#define SPRT_JMINFO_TBC_CALL_FUNCT_DATA_V_SERIES_MODEM_REC 0x3
#define SPRT_JMINFO_TBC_PROTOCOL_LAPM_ITU_T_REC_V42 0x4
/* selected modulations in CONNECT message: */
#define SPRT_SELMOD_NULL 0
#define SPRT_SELMOD_V92 1
#define SPRT_SELMOD_V91 2
#define SPRT_SELMOD_V90 3
#define SPRT_SELMOD_V34 4
#define SPRT_SELMOD_V32_BIS 5
#define SPRT_SELMOD_V32 6
#define SPRT_SELMOD_V22_BIS 7
#define SPRT_SELMOD_V22 8
#define SPRT_SELMOD_V17 9
#define SPRT_SELMOD_V29 10
#define SPRT_SELMOD_V27_TER 11
#define SPRT_SELMOD_V26_TER 12
#define SPRT_SELMOD_V26_BIS 13
#define SPRT_SELMOD_V23 14
#define SPRT_SELMOD_V21 15
#define SPRT_SELMOD_BELL_212 16
#define SPRT_SELMOD_BELL_103 17
/* 18 - 30 Vendor-specific modulations */
#define SPRT_SELMOD_VENDOR_START 18
#define SPRT_SELMOD_VENDOR_END 30
/* 31 - 63 Reserved for ITU-T */
#define SPRT_SELMOD_RESERVED_START 31
#define SPRT_SELMOD_RESERVED_END 63
/* Compression direction in CONNECT message: */
#define SPRT_COMPR_DIR_NO_COMPRESSION 0
#define SPRT_COMPR_DIR_TRANSMIT 1
#define SPRT_COMPR_DIR_RECEIVE 2
#define SPRT_COMPR_DIR_BIDIRECTIONAL 3
/* Selected compression modes in CONNECT message: */
#define SPRT_SELECTED_COMPR_NONE 0
#define SPRT_SELECTED_COMPR_V42_BIS 1
#define SPRT_SELECTED_COMPR_V44 2
#define SPRT_SELECTED_COMPR_MNP5 3
/* 4 - 15 Reserved by ITU-T */
#define SPRT_SELECTED_COMPR_RESERVED_START 4
#define SPRT_SELECTED_COMPR_RESERVED_END 15
/* Selected error correction modes in CONNECT message: */
#define SPRT_SELECTED_ERR_CORR_V14_OR_NONE 0
#define SPRT_SELECTED_ERR_CORR_V42_LAPM 1
#define SPRT_SELECTED_ERR_CORR_ANNEX_AV42 2
/* 3 - 15 Reserved for ITU-T */
#define SPRT_SELECTED_ERR_CORR_RESERVED_START 3
#define SPRT_SELECTED_ERR_CORR_RESERVED_END 15
/* Break source protocol in BREAK message: */
#define SPRT_BREAK_SRC_PROTO_V42_LAPM 0
#define SPRT_BREAK_SRC_PROTO_ANNEX_AV42_1996 1
#define SPRT_BREAK_SRC_PROTO_V14 2
/* 3 - 15 Reserved for ITU-T */
#define SPRT_BREAK_SRC_PROTO_RESERVED_START 3
#define SPRT_BREAK_SRC_PROTO_RESERVED_END 15
#define SPRT_BREAK_TYPE_NOT_APPLICABLE 0
#define SPRT_BREAK_TYPE_DESTRUCTIVE_AND_EXPEDITED 1
#define SPRT_BREAK_TYPE_NONDESTRUCTIVE_AND_EXPEDITED 2
#define SPRT_BREAK_TYPE_NONDESTRUCTIVE_AND_NONEXPEDITED 3
/* 4 - 15 Reserved for ITU-T */
#define SPRT_BREAK_TYPE_RESERVED_START 4
#define SPRT_BREAK_TYPE_RESERVED_END 15
/* Modem relay info in MR_EVENT messages: */
#define SPRT_MREVT_EVENT_ID_NULL 0
#define SPRT_MREVT_EVENT_ID_RATE_RENEGOTIATION 1
#define SPRT_MREVT_EVENT_ID_RETRAIN 2
#define SPRT_MREVT_EVENT_ID_PHYSUP 3
/* 4 - 255 Reserved for ITU-T */
#define SPRT_MREVT_EVENT_ID_RESERVED_START 4
#define SPRT_MREVT_EVENT_ID_RESERVED_END 255
#define SPRT_MREVT_REASON_CODE_NULL 0
#define SPRT_MREVT_REASON_CODE_INIT 1
#define SPRT_MREVT_REASON_CODE_RESPONDING 2
/* 3 - 255 Undefined */
#define SPRT_MREVT_REASON_CODE_RESERVED_START 3
#define SPRT_MREVT_REASON_CODE_RESERVED_END 255
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_NULL 0
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_600 1
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_1200 2
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_1600 3
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_2400 4
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_2743 5
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_3000 6
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_3200 7
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_3429 8
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_8000 9
/* 10 - 254 Reserved for ITU-T */
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_RESERVED_START 10
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_RESERVED_END 254
#define SPRT_MREVT_PHYS_LAYER_SYMBOL_RATE_UNSPECIFIED 255
/* Cleardown reason codes: */
#define SPRT_CLEARDOWN_RIC_UNKNOWN 0
#define SPRT_CLEARDOWN_RIC_PHYSICAL_LAYER_RELEASE 1
#define SPRT_CLEARDOWN_RIC_LINK_LAYER_DISCONNECT 2
#define SPRT_CLEARDOWN_RIC_DATA_COMPRESSION_DISCONNECT 3
#define SPRT_CLEARDOWN_RIC_ABORT 4
#define SPRT_CLEARDOWN_RIC_ON_HOOK 5
#define SPRT_CLEARDOWN_RIC_NETWORK_LAYER_TERMINATION 6
#define SPRT_CLEARDOWN_RIC_ADMINISTRATIVE 7
/* PROF_XCHG messages (XID profile exchange for MR1): */
#define SPRT_PROF_XCHG_SUPPORT_NO 0
#define SPRT_PROF_XCHG_SUPPORT_YES 1
#define SPRT_PROF_XCHG_SUPPORT_UNKNOWN 2
/* DLCI field in I_OCTET: */
#define SPRT_PAYLOAD_DLCI1_DTE2DTE 0
#define SPRT_PAYLOAD_DLCI1_RESERVED_START 1
#define SPRT_PAYLOAD_DLCI1_RESERVED_END 31
#define SPRT_PAYLOAD_DLCI1_NOT_RESERVED_START 32
#define SPRT_PAYLOAD_DLCI1_NOT_RESERVED_END 62
#define SPRT_PAYLOAD_DLCI1_CTRLFN2CTRLFN 63
#define SPRT_PAYLOAD_DLCI2_START 0
#define SPRT_PAYLOAD_DLCI2_END 127
/* Payload fields for I_CHAR_STAT_CS, etc.: */
/* # of data bits */
#define SPRT_PAYLOAD_D_0 0
#define SPRT_PAYLOAD_D_1 1
#define SPRT_PAYLOAD_D_2 2
#define SPRT_PAYLOAD_D_3 3
/* parity */
#define SPRT_PAYLOAD_P_0 0
#define SPRT_PAYLOAD_P_1 1
#define SPRT_PAYLOAD_P_2 2
#define SPRT_PAYLOAD_P_3 3
#define SPRT_PAYLOAD_P_4 4
#define SPRT_PAYLOAD_P_5 5
#define SPRT_PAYLOAD_P_6 6
#define SPRT_PAYLOAD_P_7 7
/* # of stop bits */
#define SPRT_PAYLOAD_S_0 0
#define SPRT_PAYLOAD_S_1 1
#define SPRT_PAYLOAD_S_2 2
#define SPRT_PAYLOAD_S_3 3
/* data frame state */
#define SPRT_PAYLOAD_FR_0 0
#define SPRT_PAYLOAD_FR_1 1
#define SPRT_PAYLOAD_FR_2 2
#define SPRT_PAYLOAD_FR_3 3
#endif /* _PACKET_SPRT_H */
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