+
−/*
+
−+-----------------------------------------------------------------------------
+
−|  Project :  GPRS (8441)
+
−|  Modul   :  sndcp.h
+
−+-----------------------------------------------------------------------------
+
−|  Copyright 2002 Texas Instruments Berlin, AG
+
−|                 All rights reserved.
+
−|
+
−|                 This file is confidential and a trade secret of Texas
+
−|                 Instruments Berlin, AG
+
−|                 The receipt of or possession of this file does not convey
+
−|                 any rights to reproduce or disclose its contents or to
+
−|                 manufacture, use, or sell anything it may describe, in
+
−|                 whole, or in part, without the specific written consent of
+
−|                 Texas Instruments Berlin, AG.
+
−|
+
−|  These files implement Van Jacobson Compression algorithm which is taken from
+
−|  University of California Berkley's Implementation.
+
−|
+
−|
+
−|  "Copyright (c)1989 Regents of the University of California.
+
−|  All rights reserved.Redistribution and use in source and binary forms are
+
−|  permitted, provided that the above  copyright notice and this paragraph are
+
−|  duplicated in all such forms and that any documentation advertising materials,
+
−|  and  other materials related to such distributionand use acknowledge that the
+
−|  software was developed by the University of California, Berkeley.
+
−|  The name of the University may not be  used to endorse or promote products
+
−|  derived from this software without specific  prior written permission. 
+
−|  THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
+
−|  INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND 
+
−|  FITNESS FOR A PARTICULAR PURPOSE"
+
−+-----------------------------------------------------------------------------
+
−|  Purpose :  Definitions for the Protocol Stack Entity
+
−|             SNDCP
+
−+-----------------------------------------------------------------------------
+
−*/
+
−
+
−/*---- HISTORY --------------------------------------------------------------*/
+
−
+
−#ifndef SNDCP_H
+
−#define SNDCP_H
+
−
+
−#ifndef _SNDCP_DTI_2_
+
−#define _SNDCP_DTI_2_
+
−#endif
+
−
+
−
+
−#ifndef SNDCP_UPM_INCLUDED
+
−#define SNDCP_UPM_INCLUDED
+
−#endif
+
−
+
−
+
−#include "prim.h"
+
−
+
−#ifdef SNDCP_2to1
+
−
+
−#ifndef T_desc_list3
+
−#define T_desc_list3 T_LL_desc_list3
+
−#endif
+
−#ifndef T_ll_qos
+
−#define T_ll_qos T_PS_qos_r97
+
−#endif
+
−
+
−#endif /* SNDCP_2to1 */
+
−
+
−#ifdef TI_PS_FF_V42BIS
+
−  #include "v42b_type.h"
+
−#endif /* TI_PS_FF_V42BIS */
+
−
+
−/*
+
− * Compiler switch for tracing of user data, e.q. TCP/IP header and payload
+
− * Payload is traced only if config primitive TRACE_PACKET_ON was received.
+
− */
+
−#ifdef SNDCP_TRACE_ALL
+
− /*
+
−  * compiler switch for tracing of a buffer as hex-dump
+
−  */
+
−  #define SNDCP_TRACE_BUFFER
+
−#endif /* SNDCP_TRACE_ALL */
+
−
+
−/*
+
− * compiler switch for tracing of decoded TCP/IP datagram
+
− * Per default only the 40 bytes or only decoded TCPIP header is traced.
+
− * Payload is traced only if config primitive TRACE_PACKET_ON was received.
+
− */
+
−#define SNDCP_TRACE_IP_DATAGRAM
+
−#define SNDCP_UL_PACKET              (0x1)
+
−#define SNDCP_DL_PACKET              (0x2)
+
−
+
−/*
+
− * defines the user of the vsi interface
+
− */
+
−#define VSI_CALLER            SNDCP_handle,
+
−
+
−
+
−/*
+
− * Macros
+
− */
+
−
+
− /*
+
− * This is just a TEMPORARY define until the issues with OPTION_MULTITHREAD
+
− * are settled. This define SHOULD be contained in GSM.H.
+
− */
+
−#undef _ENTITY_PREFIXED
+
−#define _ENTITY_PREFIXED(N) sndcp_##N
+
−
+
−/*
+
− * Customized Trace Macros
+
− */
+
−#ifndef TRACE_EVENT_P16
+
−  #define TRACE_EVENT_P16(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16)\
+
−       vsi_o_event_ttrace(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16);
+
−#endif /* TRACE_EVENT_P16 */
+
−#ifndef TRACE_EVENT_P14
+
−  #define TRACE_EVENT_P14(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14)\
+
−       vsi_o_event_ttrace(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14);
+
−#endif /* TRACE_EVENT_P14 */
+
−#ifndef TRACE_EVENT_P12
+
−  #define TRACE_EVENT_P12(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12)\
+
−       vsi_o_event_ttrace(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12);
+
−#endif /* TRACE_EVENT_P12 */
+
−#ifndef TRACE_EVENT_P10
+
−  #define TRACE_EVENT_P10(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10)\
+
−       vsi_o_event_ttrace(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10);
+
−#endif /* TRACE_EVENT_P10 */
+
−
+
−/* 
+
− * The following macro is similar to PFREE_DESC2. Instead of doing
+
− * a PFREE(P) it does a MFREE(p). This macro is used to free primitives
+
− * like sn_data_req which are removed from SN SAP and added into this 
+
− * header file.
+
− */
+
−#define MFREE_PRIM(p) { MFREE_DESC2 ((p)->desc_list2.first);      \
+
−                        MFREE ((p));                              \
+
−                      }
+
−
+
−/*
+
− * Constants
+
− */
+
−
+
−/*
+
− * Possible values for su->cia_state.
+
− */
+
−#define CIA_IDLE      23
+
−#define CIA_BUSY      23 /*29*/
+
−
+
−/*
+
− * Maximum number of DTI links.
+
− */
+
−#if defined (SNDCP_2to1) || defined (REL99)|| \
+
−    defined (_SIMULATION_)
+
−#define SNDCP_MAX_DTI_LINKS        16
+
−#else
+
−#define SNDCP_MAX_DTI_LINKS        3
+
−#endif
+
−/*
+
− * Maximum number of Van Jacobson header compressors.
+
− */
+
−#define SNDCP_MAX_VJ_COUNT        1
+
−
+
−
+
−/*
+
− * The default value for N201-I according to
+
− * GSM 4.64, version 6.51, table 9
+
− * For test purposes a smaller value is used.
+
− */
+
−#ifdef _SIMULATION_
+
−#define N201_I_DEFAULT    70
+
−#else /* _SIMULATION_ */
+
−#define N201_I_DEFAULT    1503
+
−#endif /* _SIMULATION_ */
+
−
+
−
+
−/*
+
− * The default value for N201-U according to
+
− * GSM 4.64, version 6.51, table 9.
+
− * For test purposes a smaller value is used.
+
− */
+
−#ifdef _SIMULATION_
+
−#define N201_U_DEFAULT    70
+
−#else /* _SIMULATION_ */
+
−#define N201_U_DEFAULT    500
+
−#endif /* _SIMULATION_ */
+
−
+
−/*
+
− * N-PDU size
+
− */
+
−#define SNDCP_N_PDU_SIZE  750
+
−
+
−/*
+
− * The re-establishment time for GSM 4.65, 6.2.1.4.
+
− */
+
−#ifdef _SIMULATION_
+
−#define MG_RE_EST_TIME    3000
+
−#else /* _SIMULATION_ */
+
−#define MG_RE_EST_TIME    3000
+
−#endif /* _SIMULATION_ */
+
−
+
−/*
+
− * Bitoffset for encoding/decoding
+
− */
+
−
+
−#define ENCODE_OFFSET         (37 * 8)
+
−
+
−/*
+
− * Byteoffset for encoding/decoding
+
− */
+
−
+
−#define ENCODE_OFFSET_BYTE         37
+
−
+
−/*
+
− * return values for procedures mg_decode_xid, mg_check_cnf_xid.
+
− */
+
−/*
+
− * Parsed XID is ok (used for format and/or content).
+
− */
+
−#define MG_XID_OK                   0
+
−/*
+
− * Parsed XID block has incorrect content.
+
− */
+
−#define MG_XID_BAD_CONTENT     1
+
−/*
+
− * Parsed XID block was in bad format.
+
− */
+
−#define MG_XID_BAD_FORMAT      2
+
−
+
−/*
+
− * Other constants for service mg.
+
− */
+
−/*
+
− * Maximal number of renegotiations in case of invalid cnf.
+
− */
+
−#define MG_MAX_RENEGO  4
+
−/*
+
− * Maximal number of compression entities: 32 each.
+
− */
+
−#define MG_MAX_ENTITIES 32
+
−/*
+
− * Maximum number of PCOMP values: 16.
+
− */
+
−#define MG_MAX_PCOMP 16
+
−/*
+
− * Maximum number of DCOMP values: 16.
+
− */
+
−#define MG_MAX_DCOMP 16
+
−/*
+
− * Possible values for service var 'mod_expects':
+
− */
+
−#define MG_MOD_X_NONE   0xff
+
−#define MG_MOD_X_REL    1
+
−#define MG_MOD_X_EST    2
+
−#define MG_MOD_X_READY  0
+
−/*
+
− * State of compression entity or dcomp/pcomp value
+
− */
+
−#define MG_UNASSIGNED 23
+
−/*
+
− * State of compression entity or dcomp/pcomp value
+
− */
+
−#define MG_SELECTED 37
+
−/*
+
− * State of compression entity or dcomp/pcomp value
+
− */
+
−#define MG_ASSIGNED 47
+
−/*
+
− * Possible field lengths in xid blocks in case of omitted parameters.
+
− * acc. to GSM 4.65, 6.6.2.1.
+
− * for p bit == 1
+
− */
+
−#define MG_DATA_P_0_NSAPIS_OM     0
+
−#define MG_DATA_P_0_P0_OM         2
+
−#define MG_DATA_P_0_P1_OM         3
+
−#define MG_DATA_P_0_P2_OM         5
+
−
+
−#define MG_HEADER_P_0_NSAPIS_OM   0
+
−#define MG_HEADER_P_0_S0_M_1_OM   2
+
−
+
−/*
+
− * The same for p bit == 0
+
− */
+
−#define MG_DATA_P_1_NSAPIS_OM     1
+
−#define MG_DATA_P_1_P0_OM         3
+
−#define MG_DATA_P_1_P1_OM         4
+
−#define MG_DATA_P_1_P2_OM         6
+
−
+
−#define MG_HEADER_P_1_NSAPIS_OM   1
+
−#define MG_HEADER_P_1_S0_M_1_OM   3
+
−
+
−
+
−/*
+
− * Is the 'nsapis' parameter in xid block for data or header entity?
+
− */
+
−#define MG_XID_V42_NSAPIS        23
+
−#define MG_XID_VJ_NSAPIS         19
+
−
+
−
+
−
+
−/*
+
− * number of implemented instances of service nu
+
− */
+
−#define NU_NUM_INC 16
+
−
+
−/*
+
− * LLC operation modes
+
− */
+
−#define SNDCP_ACK   17
+
−#define SNDCP_UNACK 37
+
−
+
−
+
−/*
+
− * Number of unacknowledged segment numbers (acc to GSM 4.65: 3)
+
− */
+
−#ifdef _SIMULATION_
+
−#define SNDCP_SEGMENT_NUMBERS_UNACK     25
+
−#else
+
−#define SNDCP_SEGMENT_NUMBERS_UNACK     7
+
−#endif /* _SIMULATION_ */
+
−
+
−/*
+
− * Number of acknowledged segment numbers. This value is implementation
+
− * dependant. Here a bit mask of 32 is used in service sua to check the
+
− * confirmation status of a segmented N-PDU which then implies a maximum
+
− * number of 32.
+
− */
+
−#define SNDCP_SEGMENT_NUMBERS_ACK     32
+
−
+
−/* 
+
− * Maximum Segment Number in a Single NPDU which SNDCP will assemble 
+
− * in downlink. If SNDCP receives more than SNDCP_MAX_SEG_NUMBER segments
+
− * in one NPDU, SNDCP will discard the stored segments and will keep on
+
− * discarding the incoming segments till it receives the last segment.
+
− */
+
−#define SNDCP_MAX_SEGMENT_NUMBER      100
+
−
+
−
+
−/*
+
− * The resulting max value of the fully confirmed 32 segments mask.
+
− */
+
−#define SNDCP_MAX_COMPLETE 4294967295
+
−
+
−/*
+
− * The length of the queue for N-PDUs (in form of SN_UNITDATA_REQ prims).
+
− */
+
−#define SN_UNITDATA_Q_LEN     SNDCP_NUMBER_OF_NSAPIS
+
−
+
−/*
+
− * The length of the queue for N-PDUs (in form of SN_DATA_REQ prims).
+
− */
+
−#define SN_DATA_Q_LEN     SNDCP_NUMBER_OF_NSAPIS
+
−
+
−/*
+
− * The length of an SN Unitdata Pdu header, acc. to GSM 4.65 in bytes.
+
− * This SN-PDU is the first segment of an N-PDU. The octet for DCOMP and PCOMP
+
− * is included in the SN-UNITDATA PDU format.
+
− */
+
−#define SN_UNITDATA_PDP_HDR_LEN_BIG   4
+
−
+
−
+
−/*
+
− * The length of an SN Unitdata Pdu header, acc. to GSM 4.65 in bytes.
+
− * This SN-PDU is not the first segment of an N-PDU. The octet for DCOMP and
+
− * PCOMP is not included in SN-UNITDATA PDU format.
+
− */
+
−#define SN_UNITDATA_PDP_HDR_LEN_SMALL   3
+
−
+
−/*
+
− * The length of an SN Data Pdu header, acc. to GSM 4.65 in bytes.
+
− * This SN-PDU is the first segment of an N-PDU. The octet for DCOMP and PCOMP
+
− * is included in the SN-DATA PDU format.
+
− */
+
−#define SN_DATA_PDP_HDR_LEN_BIG   3
+
−
+
−
+
−/*
+
− * The length of an SN Data Pdu header, acc. to GSM 4.65 in bytes.
+
− * This SN-PDU is not the first segment of an N-PDU. The octet for DCOMP and
+
− * PCOMP is not included in the SN-DATA PDU PDU format. The octet with the
+
− * N-PDU number is not included in the SN-DATA PDU format.
+
− */
+
−#define SN_DATA_PDP_HDR_LEN_SMALL   1
+
−
+
−
+
−
+
−/*
+
− * Number of implemented instances of service su.
+
− */
+
−#define SU_NUM_INC 4
+
−
+
−/*
+
− * Number of implemented instances of service sua.
+
− */
+
−#define SUA_NUM_INC 4
+
−
+
−/*
+
− * number of implemented instances of service nd
+
− */
+
−#define ND_NUM_INC 16
+
−
+
−/*
+
− * number of implemented instances of service sd
+
− */
+
−#define SD_NUM_INC 4
+
−
+
−/*
+
− * number of implemented instances of service sda
+
− */
+
−#define SDA_NUM_INC 4
+
−
+
−/*
+
− * Maximum number of NSAPIs according to specification, implementation
+
− * independent.
+
− */
+
−#define SNDCP_NUMBER_OF_NSAPIS 16
+
−
+
−/*
+
− * Maximum number of LLC SAPIs according to specification, implementation
+
− * independent.
+
− */
+
−#define SNDCP_NUMBER_OF_SAPIS 4
+
−
+
−/*
+
− * Maximum N-pdu number in unacknowledged LLC operation mode
+
− */
+
−#define MAX_NPDU_NUMBER_UNACK 4096
+
−
+
−/*
+
− * Maximum N-pdu number in acknowledged LLC operation mode
+
− */
+
−#define MAX_NPDU_NUMBER_ACK 256
+
−
+
−/*
+
− * The implementation dependant length in bits for an XID block that
+
− * will be requested by the MS.
+
− */
+
−#define SNDCP_XID_BLOCK_BIT_LEN 192
+
−
+
−/*
+
− * Constants for filling the requested XID block.
+
− */
+
−/*
+
− * The parameter type for version.
+
− */
+
−#define SNDCP_XID_PARAM_TYPE_0      0
+
−/*
+
− * Length of parameter type 0 in octets.
+
− */
+
−#define SNDCP_XID_0_LEN             1
+
−/*
+
− * Version number 0.
+
− */
+
−#define SNDCP_XID_VERSION           0
+
−/*
+
− * The parameter type for data compressors.
+
− */
+
−#define SNDCP_XID_PARAM_TYPE_1      1
+
−/*
+
− * Length of parameter type 1 in octets.
+
− * RES value 2 shorter because algorithm type and dcomp bytes omitted.
+
− */
+
−#define SNDCP_XID_1_LEN             10
+
−#define SNDCP_XID_1_LEN_RES          8
+
−/*
+
− * P bit value 1.
+
− */
+
−#define SNDCP_P_BIT_1         1
+
−/*
+
− * P bit value 0.
+
− */
+
−#define SNDCP_P_BIT_0         0
+
−/*
+
− * Compressor entity 0.
+
− */
+
−#define SNDCP_NTT_0           0
+
−/*
+
− * the octet with | X | X | X | algorithm type.
+
− */
+
−#define SNDCP_XID_V42               0
+
−/*
+
− * Length of V42bis parameters in octets.
+
− * RES values 1 shorter because of omitted dcomp value.
+
− */
+
−#define SNDCP_XID_V42_LEN           7
+
−#define SNDCP_XID_V42_LEN_RES       6
+
−/*
+
− * The octet with| DCOMP1 | X | will be set dynamically.
+
− * One default value.
+
− */
+
−#define SNDCP_DCOMP1                      1
+
−/*
+
− * The two octets with applicable nsapis will be set dynamically.
+
− * default value is SNDCP_NSAPIS_DEFAULT like in case of header compression.
+
− */
+
−/*
+
− * The direction octet will be set dynamically, values may be
+
− * SNSM_COMP_NEITHER_DIRECT,
+
− * SNSM_COMP_MS_SGSN_DIRECT,
+
− * SNSM_COMP_SGSN_MS_DIRECT,
+
− * SNSM_COMP_BOTH_DIRECT
+
− * Default: SNSM_COMP_BOTH_DIRECT
+
− */
+
−#ifndef SNDCP_UPM_INCLUDED
+
−#define SNDCP_V42_DEFAULT_DIRECTION SNSM_COMP_BOTH_DIRECT
+
−#else 
+
−#define SNDCP_V42_DEFAULT_DIRECTION NAS_DCOMP_BOTH_DIRECT
+
−#endif /* Compression parameters */ /* SNDCP_UPM_INCLUDED */
+
−/*
+
− * The 2 P1 octets (max codewords) will be set dynamically.
+
− * Default value: 2048
+
− */
+
−#define SNDCP_V42_DEFAULT_P1        2048
+
−/*
+
− * The P2 (max char num) octet will be set dynamically.
+
− * Default value: 20
+
− */
+
−#define SNDCP_V42_DEFAULT_P2        20
+
−/*
+
− * The parameter type for header compressors.
+
− */
+
−#define SNDCP_XID_PARAM_TYPE_2      2
+
−/*
+
− * Length of parameter type 2 in octets
+
− * RES value 2 shorter because algorithm type and pcomp bytes omitted.
+
− */
+
−#define SNDCP_XID_2_LEN_RES         5
+
−#define SNDCP_XID_2_LEN             7
+
−/*
+
− * The octet with | X | X | X | algorithm type.
+
− */
+
−#define SNDCP_XID_VJ                0
+
−/*
+
− * Length of VanJacobson parameters in octets.
+
− * RES value 1 shorter because pcomp byte omitted.
+
− */
+
−#define SNDCP_XID_VJ_LEN            4
+
−#define SNDCP_XID_VJ_LEN_RES        3
+
−#define SNDCP_MAX_NUMBER_OF_VJ_SLOTS    16
+
−
+
−/*
+
− * The octet with| PCOMP1 | PCOMP2 | will be set dynamically.
+
− * Two default values.
+
− */
+
−#define SNDCP_PCOMP1                      1
+
−#define SNDCP_PCOMP2                      2
+
−/*
+
− * The two octets with applicable nsapis will be set dynamically.
+
− * Default value: 0
+
− */
+
−#define SNDCP_NSAPIS_DEFAULT              0
+
−/*
+
− * The octet with S0 - 1 will be set dynamically.
+
− * Default value: 15
+
− */
+
−#define SNDCP_VJ_DEFAULT_S0_M_1              15
+
−
+
−/*
+
− * "states" of nsapis and sapis that are stored in the arrays nsapi_state_ra
+
− * and sapi_state_ra
+
− */
+
−#define MG_IDLE           0
+
−/*
+
− * Waiting for LL_ESTABLISH_CNF.
+
− */
+
−#define MG_EST            1
+
−/*
+
− * Waiting for LL_XID_CNF.
+
− */
+
−#define MG_XID            2
+
−/*
+
− * Must send SNSM_ACTIVATE_RES.
+
− */
+
−#define MG_ACT            4
+
−/*
+
− * Waiting for LL_RELEASE_CNF.
+
− */
+
−#define MG_REL            8
+
−/*
+
− * Must send SNSM_DEACTIVATE_RES.
+
− */
+
−#define MG_DEACT          0x10
+
−/*
+
− * Waiting for SNSM_SEQUEMCE_IND.
+
− */
+
−#define MG_SEQ            0x20
+
− /*
+
−  * A local LL_RELEASE_REQ must be sent after the end of the running sub
+
−  * procedure.
+
−  */
+
−#define MG_REL_NEC_LOC    0x40
+
− /*
+
−  * An LL_XID_REQ must be sent after the end of the running sub procedure.
+
−  */
+
−#define MG_XID_NEC        0x80
+
− /*
+
−  * An LL_ESTABLISH_REQ must be sent after the end of the running sub procedure.
+
−  */
+
−#define MG_EST_NEC        0x100
+
− /*
+
−  * A non local LL_RELEASE_REQ must be sent after the end of the running sub
+
−  * procedure.
+
−  */
+
−#define MG_REL_NEC_PEER   0x200
+
− /*
+
−  * A LL_ESTABLISH_IND is expected or received
+
−  */
+
−#define MG_EST_IND        0x400
+
−
+
− /*
+
−  * SNDCP got SN_DTI_REQ and the DTI information is stored !
+
−  */
+
−#define MG_DTI_INFO       0x800 
+
−
+
−
+
−/*
+
− * Service definitions. Used to access service data with GET/SET_STATE.
+
− *
+
− * Services with multiple incarnation have to be defined as xxx->
+
− * Services with only one incarnation have to be defined as xxx.
+
− */
+
−#define CIA                 cia.
+
−#define MG                  mg.
+
−#define NU                  nu->
+
−#define SU                  su->
+
−#define SUA                 sua->
+
−#define ND                  nd->
+
−#define PD                  pd->
+
−#define PDA                 pda->
+
−#define SD                  sd->
+
−#define SDA                 sda->
+
−
+
−/*
+
− * workaround for init
+
− */
+
−#define NU_0                  nu->
+
−#define NU_1                  nu->
+
−#define NU_2                  nu->
+
−#define NU_3                  nu->
+
−#define NU_4                  nu->
+
−#define NU_5                  nu->
+
−#define NU_6                  nu->
+
−#define NU_7                  nu->
+
−#define NU_8                  nu->
+
−#define NU_9                  nu->
+
−#define NU_10                 nu->
+
−#define NU_11                 nu->
+
−#define NU_12                 nu->
+
−#define NU_13                 nu->
+
−#define NU_14                 nu->
+
−#define NU_15                 nu->
+
−
+
−#define SU_0                  su->
+
−#define SU_1                  su->
+
−#define SU_2                  su->
+
−#define SU_3                  su->
+
−
+
−#define SUA_0                 sua->
+
−#define SUA_1                 sua->
+
−#define SUA_2                 sua->
+
−#define SUA_3                 sua->
+
−
+
−#define ND_0                  nd->
+
−#define ND_1                  nd->
+
−#define ND_2                  nd->
+
−#define ND_3                  nd->
+
−#define ND_4                  nd->
+
−#define ND_5                  nd->
+
−#define ND_6                  nd->
+
−#define ND_7                  nd->
+
−#define ND_8                  nd->
+
−#define ND_9                  nd->
+
−#define ND_10                 nd->
+
−#define ND_11                 nd->
+
−#define ND_12                 nd->
+
−#define ND_13                 nd->
+
−#define ND_14                 nd->
+
−#define ND_15                 nd->
+
−
+
−#define SD_0                  sd->
+
−#define SD_1                  sd->
+
−#define SD_2                  sd->
+
−#define SD_3                  sd->
+
−
+
−#define SDA_0                 sda->
+
−#define SDA_1                 sda->
+
−#define SDA_2                 sda->
+
−#define SDA_3                 sda->
+
−
+
−#define PD_0                  pd->
+
−#define PD_1                  pd->
+
−#define PD_2                  pd->
+
−#define PD_3                  pd->
+
−
+
−#define PDA_0                 pda->
+
−#define PDA_1                 pda->
+
−#define PDA_2                 pda->
+
−#define PDA_3                 pda->
+
−
+
−#ifdef NTRACE
+
−#undef SNDCP_TRACE_ALL    /* if NTRACE is defined, SNDCP_TRACE_ALL should be disabled */
+
−#endif
+
−/*
+
− * Service name definitions for trace purposes.
+
− */
+
−#ifndef NTRACE
+
−
+
−#define SERVICE_NAME_CIA     "CIA"
+
−
+
−#define SERVICE_NAME_MG     "MG"
+
−
+
−#define SERVICE_NAME_ND_0      "ND_0"
+
−#define SERVICE_NAME_ND_1      "ND_1"
+
−#define SERVICE_NAME_ND_2      "ND_2"
+
−#define SERVICE_NAME_ND_3      "ND_3"
+
−#define SERVICE_NAME_ND_4      "ND_4"
+
−#define SERVICE_NAME_ND_5      "ND_5"
+
−#define SERVICE_NAME_ND_6      "ND_6"
+
−#define SERVICE_NAME_ND_7      "ND_7"
+
−#define SERVICE_NAME_ND_8      "ND_8"
+
−#define SERVICE_NAME_ND_9      "ND_9"
+
−#define SERVICE_NAME_ND_10     "ND_10"
+
−#define SERVICE_NAME_ND_11     "ND_11"
+
−#define SERVICE_NAME_ND_12     "ND_12"
+
−#define SERVICE_NAME_ND_13     "ND_13"
+
−#define SERVICE_NAME_ND_14     "ND_14"
+
−#define SERVICE_NAME_ND_15     "ND_15"
+
−
+
−#define SERVICE_NAME_NU_0      "NU_0"
+
−#define SERVICE_NAME_NU_1      "NU_1"
+
−#define SERVICE_NAME_NU_2      "NU_2"
+
−#define SERVICE_NAME_NU_3      "NU_3"
+
−#define SERVICE_NAME_NU_4      "NU_4"
+
−#define SERVICE_NAME_NU_5      "NU_5"
+
−#define SERVICE_NAME_NU_6      "NU_6"
+
−#define SERVICE_NAME_NU_7      "NU_7"
+
−#define SERVICE_NAME_NU_8      "NU_8"
+
−#define SERVICE_NAME_NU_9      "NU_9"
+
−#define SERVICE_NAME_NU_10     "NU_10"
+
−#define SERVICE_NAME_NU_11     "NU_11"
+
−#define SERVICE_NAME_NU_12     "NU_12"
+
−#define SERVICE_NAME_NU_13     "NU_13"
+
−#define SERVICE_NAME_NU_14     "NU_14"
+
−#define SERVICE_NAME_NU_15     "NU_15"
+
−
+
−#define SERVICE_NAME_SU_0      "SU_0"
+
−#define SERVICE_NAME_SU_1      "SU_1"
+
−#define SERVICE_NAME_SU_2      "SU_2"
+
−#define SERVICE_NAME_SU_3      "SU_3"
+
−
+
−#define SERVICE_NAME_SUA_0      "SUA_0"
+
−#define SERVICE_NAME_SUA_1      "SUA_1"
+
−#define SERVICE_NAME_SUA_2      "SUA_2"
+
−#define SERVICE_NAME_SUA_3      "SUA_3"
+
−
+
−#define SERVICE_NAME_SD_0      "SD_0"
+
−#define SERVICE_NAME_SD_1      "SD_1"
+
−#define SERVICE_NAME_SD_2      "SD_2"
+
−#define SERVICE_NAME_SD_3      "SD_3"
+
−
+
−#define SERVICE_NAME_SDA_0      "SDA_0"
+
−#define SERVICE_NAME_SDA_1      "SDA_1"
+
−#define SERVICE_NAME_SDA_2      "SDA_2"
+
−#define SERVICE_NAME_SDA_3      "SDA_3"
+
−
+
−#define SERVICE_NAME_PD_0      "PD_0"
+
−#define SERVICE_NAME_PD_1      "PD_1"
+
−#define SERVICE_NAME_PD_2      "PD_2"
+
−#define SERVICE_NAME_PD_3      "PD_3"
+
−
+
−#define SERVICE_NAME_PDA_0     "PDA_0"
+
−#define SERVICE_NAME_PDA_1     "PDA_1"
+
−#define SERVICE_NAME_PDA_2     "PDA_2"
+
−#define SERVICE_NAME_PDA_3     "PDA_3"
+
−
+
−#endif /* !NTRACE */
+
−
+
−
+
−/*
+
− * 1 re-establishment timer for each sapi.
+
− */
+
−#define TIMER_MAX     4
+
−
+
−
+
−/*
+
− * State definitions for each service.
+
− */
+
−#define CIA_DEFAULT                           23
+
−                                              
+
−#define MG_DEFAULT                             7
+
−                                              
+
−#define NU_UNACK_SU_RECEPTIVE                  8
+
−#define NU_UNACK_SU_NOT_RECEPTIVE              9
+
−                                              
+
−#define NU_ACK_SUA_RECEPTIVE                  10
+
−#define NU_ACK_SUA_NOT_RECEPTIVE              11
+
−#define NU_SUS_SUA_RECEPTIVE                  12
+
−#define NU_SUS_SUA_NOT_RECEPTIVE              13
+
−#define NU_REC_SUA_NOT_RECEPTIVE              14
+
−
+
−#ifndef NCONFIG
+
−
+
−#define NU_SEND_UNACK_SU_RECEPTIVE            60
+
−#define NU_SEND_UNACK_SU_NOT_RECEPTIVE        61
+
−
+
−#define NU_SEND_ACK_SUA_RECEPTIVE             62
+
−#define NU_SEND_ACK_SUA_NOT_RECEPTIVE         63
+
−#define NU_SEND_SUS_SUA_RECEPTIVE             64
+
−#define NU_SEND_SUS_SUA_NOT_RECEPTIVE         65
+
−#define NU_SEND_REC_SUA_NOT_RECEPTIVE         66
+
−
+
−#endif
+
−
+
−
+
−#define SU_LLC_NOT_RECEPTIVE                  22
+
−#define SU_LLC_RECEPTIVE                      23
+
−#define SU_LLC_RECEPTIVE_SUSPEND              24
+
−#define SU_LLC_NOT_RECEPTIVE_SUSPEND          26
+
−
+
−#define SUA_LLC_NOT_RECEPTIVE                 82
+
−#define SUA_LLC_RECEPTIVE                     83
+
−#define SUA_LLC_RECEPTIVE_SUSPEND             84
+
−#define SUA_LLC_NOT_RECEPTIVE_SUSPEND         86
+
−
+
−#define ND_DEFAULT                            31
+
−#define ND_RECOVER                            37
+
−#define ND_SUSPEND                            41
+
−
+
−#define SD_DEFAULT                            44
+
−#define SD_UNACK_DISCARD                      45
+
−#define SD_UNACK_RECEIVE_FIRST_SEGMENT        46
+
−#define SD_UNACK_RECEIVE_SUBSEQUENT_SEGMENT   47
+
−#define SD_UNACK_WAIT_NSAPI                   48
+
−
+
−#define PD_DEFAULT                            50
+
−
+
−#define PDA_DEFAULT                           70
+
−
+
−#define SDA_DEFAULT                           64
+
−#define SDA_ESTABLISH_REQUESTED               65
+
−#define SDA_RECEIVE_FIRST_SEGMENT             66
+
−#define SDA_RECEIVE_SUBSEQUENT_SEGMENT        67
+
−#define SDA_WAIT_NSAPI                        68
+
−#define SDA_ACK_DISCARD                       69
+
−
+
−
+
−
+
−/*==== TYPES ======================================================*/
+
−/*
+
− * Value constants for VAL_seg_pos
+
− */
+
−#define SEG_POS_NONE                   (0x0)      /* In between */
+
−#define SEG_POS_FIRST                  (0x1)      /* first      */
+
−#define SEG_POS_LAST                   (0x2)      /* last       */
+
−#define SEG_POS_FIRST_LAST             (0x3)  /* both       */
+
−/*
+
− * Value constants for algo_type
+
− */
+
−#define CIA_ALGO_V42                   (0x0)  /* V42bis algorithm */
+
−/*
+
− * Value constants for comp_inst
+
− */
+
−#define CIA_COMP_INST_V42_0            (0x0)  /* first instance for V42bis */
+
−
+
−/*
+
− * The following definitions was originally generated by CCD. 
+
− * The definitions are not used as 
+
− * primitive definitions anymore, only for SNDCP internal usage.
+
− */
+
−
+
−typedef struct
+
−{
+
−  U8                        delay;        /*<1> delay class       */
+
−  U8                        relclass;     /*<1> Reliability class */
+
−  U8                        peak;         /*<1> peak throughput   */
+
−  U8                        preced;       /*<1> Precedence class  */
+
−  U8                        mean;         /*<1> main throughput   */
+
−  U8                        _align0;      /*<1> alignment         */
+
−  U8                        _align1;      /*<1> alignment         */
+
−  U8                        _align2;      /*<1> alignment         */
+
−} T_cia_qos;
+
−
+
−#ifndef __T_pdu_ref__
+
−#define __T_pdu_ref__
+
−typedef struct
+
−{
+
−  U16                       ref_npdu_num; /*<2> ref_npdu_num      */
+
−  U8                        ref_seg_num;  /*<1> ref_seg_num       */
+
−  U8                        ref_nsapi;    /*<1> ref_nsapi         */
+
−} T_pdu_ref;
+
−#endif
+
−
+
−typedef struct
+
−{
+
−  U8               sapi;         /*<1> service access point identifier  */
+
−  U8               algo_type;    /*<1> algorithm type                   */
+
−  U8               comp_inst;    /*<1> compressor instance              */
+
−  U8               packet_type;  /*<1> Type of packet.                  */
+
−  T_pdu_ref        pdu_ref;      /*<8> to the segment to be confirmed   */
+
−  T_desc_list2     desc_list2;   /*<8> list of generic data descriptors */
+
−} T_CIA_COMP_REQ;
+
−
+
−
+
−typedef struct
+
−{
+
−  U8                sapi;         /*<1> service access point identifier     */
+
−  U8                algo_type;    /*<1> algorithm type                      */
+
−  U8                comp_inst;    /*<1> compressor instance                 */
+
−  U8                seg_pos;      /*<1> First and/or last segment of N-PDU? */
+
−  U8                packet_type;  /*<1> Type of packet.                     */
+
−  U8                _align0;      /*<1> alignment                           */
+
−  U8                _align1;      /*<1> alignment                           */
+
−  U8                _align2;      /*<1> alignment                           */
+
−  U32               tlli;         /*<4> temporary logical link identifier   */
+
−  T_cia_qos         cia_qos;      /*<8> quality of service                  */
+
−  T_pdu_ref         pdu_ref;      /*<8> to the segment to be confirmed      */
+
−  T_desc_list3      desc_list3;   /*<8> List of generic data descriptors    */
+
−} T_CIA_COMP_IND;
+
−
+
−
+
−typedef struct
+
−{
+
−  U8                 sapi;         /*<1> service access point identifier     */
+
−  U8                 _align0;      /*<1> alignment                           */
+
−  U8                 _align1;      /*<1> alignment                           */
+
−  U8                 _align2;      /*<1> alignment                           */
+
−  U32                tlli;         /*<4> temporary logical link identifier   */
+
−  T_pdu_ref          pdu_ref;      /*<8> to the segment to be confirmed      */
+
−  U8                 algo_type;    /*<1> algorithm type                      */
+
−  U8                 comp_inst;    /*<1> compressor instance                 */
+
−  U8                 seg_pos;      /*<1> First and/or last segment of N-PDU? */
+
−  U8                 pcomp;        /*<1> from sn pdu                         */
+
−  T_sdu              sdu;          /*< > service data unit                   */
+
−} T_CIA_DECOMP_REQ;
+
−
+
−typedef struct
+
−{
+
−  U8                 algo_type;    /*<1> algorithm type                   */
+
−  U8                 comp_inst;    /*<1> compressor instance              */
+
−  U8                 pcomp;        /*<1> from sn pdu                      */
+
−  U8                 _align0;      /*<1> alignment                        */
+
−  T_pdu_ref          pdu_ref;      /*<8> to the segment to be confirmed   */
+
−  T_desc_list2       desc_list2;   /*< > list of generic data descriptors */
+
−} T_CIA_DECOMP_IND;
+
−
+
−
+
−
+
−/*
+
−The following definitions was originally generated by CCD. The definitions are not used as 
+
−primitive definitions anymore, only for SNDCP internal usage.
+
−*/
+
−typedef struct
+
−{
+
−  U8              nsapi;      /*<1> network layer sapi                */
+
−  U8              p_id;       /*<1> protocol identifier               */
+
−  U8              _align0;    /*<1> alignment                         */
+
−  U8              _align1;    /*<1> alignment                         */
+
−  T_desc_list2    desc_list2; /*<8> list of generic data descriptors  */
+
−} T_SN_DATA_REQ;
+
−
+
−typedef struct
+
−{
+
−  U8               nsapi;      /*<1> network layer sapi               */
+
−  U8               p_id;       /*<1> protocol identifier              */
+
−  U8               _align0;    /*<1> alignment                        */
+
−  U8               _align1;    /*<1> alignment                        */
+
−  T_desc_list2     desc_list2; /*<8> list of generic data descriptors */
+
−} T_SN_UNITDATA_REQ;
+
−
+
−typedef struct
+
−{
+
−  U8                nsapi;       /*<1> network layer sapi               */
+
−  U8                p_id;        /*<1> protocol identifier              */
+
−  U8                _align0;     /*<1> alignment                        */
+
−  U8                _align1;     /*<1> alignment                        */
+
−  T_desc_list2      desc_list2;  /*<8> list of generic data descriptors */
+
−} T_SN_UNITDATA_IND;
+
−
+
−typedef struct
+
−{
+
−  U8                 nsapi;       /*<1> network layer sapi               */
+
−  U8                 p_id;        /*<1> protocol identifier              */
+
−  U8                 _align0;     /*<1> alignment                        */
+
−  U8                 _align1;     /*<1> alignment                        */
+
−  T_desc_list2       desc_list2;  /*<8> list of generic data descriptors */
+
−} T_SN_DATA_IND;
+
−
+
−typedef struct
+
−{
+
−  U8                  nsapi;    /*<1> network layer sapi   */
+
−  U8                  p_id;     /*<1> protocol identifier  */
+
−  U8                  _align0;  /*<1> alignment            */
+
−  U8                  _align1;  /*<1> alignment            */
+
−  T_sdu               sdu;      /*< > service data unit    */
+
−} T_SN_DATA_IND_TEST;
+
−
+
−typedef struct
+
−{
+
−  U8                  nsapi;     /*<1> network layer sapi   */
+
−  U8                  p_id;      /*<1> protocol identifier  */
+
−  U8                  _align0;   /*<1> alignment            */
+
−  U8                  _align1;   /*<1> alignment            */
+
−  T_sdu               sdu;       /*< > service data unit    */
+
−} T_SN_UNITDATA_IND_TEST;
+
−
+
−/*
+
− * SNDCP global typedefs
+
− */
+
−
+
−#ifdef SNDCP_UPM_INCLUDED 
+
−typedef T_PS_qos_r97 T_snsm_qos; 
+
−typedef T_SN_ACTIVATE_REQ T_SNSM_ACTIVATE_IND;
+
−#endif  /*SNDCP_UPM_INCLUDED*/
+
−
+
−
+
−
+
−
+
−/*
+
− * Structs used to store XID parameters.
+
− */
+
−/*
+
− * Parameters for V42.bis data compression.
+
− */
+
−typedef struct /* T_XID_V42_BLOCK */
+
−{
+
−  /*
+
−   * Has V42 field been set in the block?.
+
−   */
+
−  BOOL is_set;
+
−  /*
+
−   * P bit.
+
−   */
+
−  UBYTE p_bit;
+
−  /*
+
−   * Entity number.
+
−   */
+
−  UBYTE ntt;
+
−  /*
+
−   * Algorithm type.
+
−   */
+
−  UBYTE algo_type;
+
−  /*
+
−   * The one DCOMP value needed for V42.bis.
+
−   */
+
−  UBYTE dcomp;
+
−  /*
+
−   * Applicable nsapis set?
+
−   */
+
−  BOOL nsapis_set;
+
−  /*
+
−   * Applicable nsapis (bit mask);
+
−   */
+
−  USHORT nsapis;
+
−  /*
+
−   * Direction set?
+
−   */
+
−  BOOL p0_set;
+
−  /*
+
−   * Direction
+
−   */
+
−  UBYTE p0;
+
−  /*
+
−   * Max number of codewords set?
+
−   */
+
−  BOOL p1_set;
+
−  /*
+
−   * Max number of codewords.
+
−   */
+
−  USHORT p1;
+
−  /*
+
−   * Max char number set?
+
−   */
+
−  BOOL p2_set;
+
−  /*
+
−   * Max char number.
+
−   */
+
−  UBYTE p2;
+
−
+
−} T_XID_V42_BLOCK;
+
−
+
−/*
+
− *  Used by VanJacobsen to store TCP-Headers
+
− */
+
−typedef struct sndcp_tcp_header/* T_SNDCP_TCP_HEADER */
+
−{
+
−  /* TCP */
+
−  /*
+
−   *  Source Port
+
−   */
+
−  USHORT th_sport;
+
−
+
−  /*
+
−   *  Destination Port
+
−   */
+
−  USHORT th_dport;
+
−
+
−  /*
+
−   *  Sequence Number
+
−   */
+
−  ULONG th_seq;
+
−
+
−  /*
+
−   *  Acknowledgement Number
+
−   */
+
−  ULONG th_ack;
+
−
+
−  /*
+
−   *  Data Offset
+
−   */
+
−  UBYTE th_off;
+
− /*
+
−  *  Flags: urg, ack, psh, rst, syn, fin
+
−  */
+
−  UBYTE th_flags;
+
−
+
−  /*
+
−   *  Window
+
−   */
+
−  USHORT th_win;
+
−
+
−  /*
+
−   *  Checksum
+
−   */
+
−  USHORT th_sum;
+
−
+
−  /*
+
−   *  Urgent Pointer
+
−   */
+
−  USHORT th_urp;
+
−
+
−} T_SNDCP_TCP_HEADER;
+
−
+
−/*
+
− *  Used by VanJacobsen to store IP-Headers
+
− */
+
−typedef struct sndcp_ip_header/* T_SNDCP_IP_HEADER */
+
−{
+
−  /* IP */
+
−
+
−  /*
+
−   *  Protocol Verion, Header Length
+
−   */
+
−  UBYTE ip_vhl;
+
−
+
−  /*
+
−   *  Type of Service
+
−   */
+
−  UBYTE ip_tos;
+
−
+
−  /*
+
−   *  Total Length
+
−   */
+
−  USHORT ip_len;
+
−
+
−  /*
+
−   *  Packet ID
+
−   */
+
−  USHORT ip_id;
+
−
+
−  /*
+
−   *  Don't fragment, More fragments, Fragment Offset
+
−   */
+
−  USHORT ip_off;
+
−
+
−  /*
+
−   *  Time to live
+
−   */
+
−  UBYTE ip_ttl;
+
−
+
−  /*
+
−   *  Protocol
+
−   */
+
−  UBYTE ip_p;
+
−
+
−  /*
+
−   *  Header Checksum
+
−   */
+
−  USHORT ip_sum;
+
−
+
−  /*
+
−   *  Source Address
+
−   */
+
−  ULONG ip_src;
+
−
+
−  /*
+
−   *  Destination Address
+
−   */
+
−  ULONG ip_dst;
+
−
+
−} T_SNDCP_IP_HEADER;
+
−
+
−
+
−/*
+
− * Parameters for VanJacobson header compression.
+
− */
+
−typedef struct /* T_XID_VJ_BLOCK */
+
−{
+
−  /*
+
−   * Has VJ field been set in the block?.
+
−   */
+
−  BOOL is_set;
+
−  /*
+
−   * P bit.
+
−   */
+
−  UBYTE p_bit;
+
−  /*
+
−   * Entity number.
+
−   */
+
−  UBYTE ntt;
+
−  /*
+
−   * Algorithm type.
+
−   */
+
−  UBYTE algo_type;
+
−  /*
+
−   * The first PCOMP value needed for Van Jacobson.
+
−   */
+
−  UBYTE pcomp1;
+
−  /*
+
−   * The second PCOMP value needed for Van Jacobson.
+
−   */
+
−  UBYTE pcomp2;
+
−  /*
+
−   * Applicable nsapis set?
+
−   */
+
−  BOOL nsapis_set;
+
−  /*
+
−   * Applicable nsapis (bit mask);
+
−   */
+
−  USHORT nsapis;
+
−  /*
+
−   * Direction. (Note: only for internal purposes, 
+
−   * not included in XID block)
+
−   */
+
−  UBYTE direction;
+
−  /*
+
−   * Number of state slots minus  set?
+
−   */
+
−  UBYTE s0_m_1_set;
+
−  /*
+
−   * Number of state slots minus 1.
+
−   */
+
−  UBYTE s0_m_1;
+
−
+
−} T_XID_VJ_BLOCK;
+
−
+
−typedef struct /* T_XID_BLOCK */
+
−{
+
−  BOOL version_set;
+
−  UBYTE version;
+
−  T_XID_V42_BLOCK v42;
+
−  T_XID_VJ_BLOCK vj;
+
−} T_XID_BLOCK;
+
−
+
−
+
−/*
+
− * This is used to buffer N-PDUs in service nu.
+
− *
+
− * Instances of this struct are added to a dynamic list:
+
− */
+
−typedef struct t /* T_NPDU_BUFFER */
+
−{
+
−  struct t* next;
+
−  T_SN_DATA_REQ* sn_data_req;
+
−  UBYTE npdu_number;
+
−} T_NPDU_BUFFER;
+
−
+
−/*
+
− * This is used to store information about segmented N-PDUs in service sua:
+
− * One T_SEG_INFO entry is for 1 segmented N-PDU.
+
− * a. How many segments have been sent from 1 N-PDU?
+
− * b. Which of these segments have been confirmed by the peer?
+
− * c. What is the "reference" struct?
+
− * d. Who is the affected NSAPI?
+
− *
+
− * Instances of this struct are added to a dynamic list:
+
− */
+
−typedef struct tt /* T_SEG_INFO */
+
−{
+
−  struct tt* next;
+
−  UBYTE number_of_segments;
+
−  /*
+
−   * An array of bit flags for 32 possible segments per N-PDU;
+
−   * This restricts number of segments to 32.
+
−   */
+
−  ULONG cnf_segments;
+
−  UBYTE npdu_number;
+
−  UBYTE nsapi;
+
−} T_SEG_INFO;
+
−
+
−/*
+
− * Constants and bit-masks used by header compression algorithm
+
− */
+
−#define TH_FIN                      0x01    /* FIN-Bit Mask */
+
−#define TH_SYN                      0x02    /* SYN-Bit Mask */
+
−#define TH_RST                      0x04    /* RST-Bit Mask */
+
−#define TH_PUSH                     0x08    /* PSH-Bit Mask */
+
−#define TH_ACK                      0x10    /* ACK-Bit Mask */
+
−#define TH_URG                      0x20    /* URG-Bit Mask */
+
−#define TH_FLAGS                    (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG)
+
−#define TCP_PUSH_BIT                0x10    /* PUSH-Bit Mask */
+
−
+
−/* Bits in first octet of compressed packet, for what changed in a packet */
+
−#define NEW_C                       0x40
+
−#define NEW_I                       0x20
+
−#define NEW_S                       0x08
+
−#define NEW_A                       0x04
+
−#define NEW_W                       0x02
+
−#define NEW_U                       0x01
+
−
+
−/* reserved, special-case values */
+
−/* echoed interactive traffic */
+
−#define SPECIAL_I                   (NEW_S|NEW_W|NEW_U)
+
−/* unidirectional data */
+
−#define SPECIAL_D                   (NEW_S|NEW_A|NEW_W|NEW_U)
+
−#define SPECIALS_MASK               (NEW_S|NEW_A|NEW_W|NEW_U)
+
−
+
−/* maximal change of values for sending compressed headers */
+
−#define MAX_CHANGE                  0xFFFE
+
−/* TCP-IP Protocol ID */
+
−#define PROT_TCPIP                  6
+
−/* Position number of protocol type within a UBYTE buffer */
+
−#define PR_TYPE_POS                 9
+
−/* Header Length Mask */
+
−#define HL_MASK                     0x0F
+
−/* tossing rcvd frames because of input err */
+
−#define SLF_TOSS                    1
+
−/* Max. TCP/IP header length should really be 128 */
+
−#define MAX_HDR_LEN                 128
+
−#define TMP_HDR_LEN                 168
+
−#define MAX_STATES                  SNDCP_MAX_NUMBER_OF_VJ_SLOTS
+
−
+
−/* packet types as defined in RFC 1144 */
+
−#define TYPE_IP                     0x40
+
−#define TYPE_UNCOMPRESSED_TCP       0x70
+
−#define TYPE_COMPRESSED_TCP         0x80
+
−#define TYPE_ERROR                  0x00
+
−
+
−/*
+
− * "state" data for each active tcp conversation on the wire.  This is
+
− * basically a copy of the entire IP/TCP header from the last packet
+
− * we saw from the conversation together with a small identifier
+
− * the transmit & receive ends of the line use to locate saved header.
+
− */
+
−struct cstate {
+
−  struct cstate   *cs_next;    /* next most recently used cstate (xmit only) */
+
−  USHORT          cs_hlen;     /* size of hdr (receive only) */
+
−  UBYTE           cs_id;       /* connection # associated with this state */
+
−  UBYTE           cs_filler;
+
−  UBYTE           cs_hdr[MAX_HDR_LEN]; /* ip/tcp hdr from most recent packet */
+
−  T_SNDCP_IP_HEADER *cs_ip;    /* ptr to ip/tcp hdr from most recent packet */
+
−};
+
−
+
−/*
+
− * all the state data for one serial line (we need one of these per line).
+
− */
+
−struct slcompress {
+
−  /* most recently used tstate */
+
−  struct cstate   *last_cs;
+
−  /* last rcvd conn. id */
+
−  UBYTE           last_recv;
+
−  /* last sent conn. id */
+
−  UBYTE           last_xmit;
+
−  USHORT          flags;
+
−  /* xmit connection states */
+
−  struct cstate   tstate[MAX_STATES];
+
−  /* receive connection states */
+
−  struct cstate   rstate[MAX_STATES];
+
−  /* buffer to store temporary received ip/tcp header */
+
−  UBYTE           tcpip_hdr[TMP_HDR_LEN];
+
−  USHORT          slots_to_use;
+
−};
+
−
+
−/*
+
− * A struct comp_buf is used in the call cia_comp_vj and cia_decomp_vj because
+
− * that routine needs to modify both the start address and length if the
+
− * incoming packet is compressed/decompressed
+
− */
+
−struct comp_buf {
+
−    /* length of complete packet */
+
−    USHORT        pack_len;
+
−    /* length of header + some data passed to comp/decomp routine */
+
−    USHORT        hdr_len;
+
−    /* pointer to start of packet */
+
−    ULONG         c_hdr;
+
−    /* packet type */
+
−    UBYTE         p_type;
+
−    UBYTE         filler;
+
−    USHORT        filler1;
+
−};
+
−
+
−
+
−
+
−typedef struct /* T_CIA_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * Copy of mg.cur_xid_block.
+
−   */
+
−  T_XID_BLOCK cur_xid_block;
+
−
+
−  /*
+
−   * all the state data for one serial line
+
−   */
+
−  struct slcompress comp;
+
−
+
−#ifdef SNDCP_TRACE_ALL
+
−  SHORT cia_decomp_ind_number[SNDCP_NUMBER_OF_NSAPIS];
+
−#endif
+
−#ifdef TI_PS_FF_V42BIS
+
−  T_V42B_DICO* enc;
+
−  T_V42B_DICO* dec;
+
−  U16 trabu[1500];
+
−#endif /* TI_PS_FF_V42BIS */
+
−  /*
+
−   * Currently assembled unacknowledged N-PDU downlink.
+
−   */
+
−  T_CIA_DECOMP_IND* cur_cia_decomp_ind[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−} T_CIA_DATA;
+
−
+
−
+
−typedef struct /* T_MG_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * XID parameters that show what the user requested.
+
−   */
+
−  T_XID_BLOCK user_xid_block [SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * XID parameters that are sent with LL_XID_REQ or LL_ESTABLISH_REQ.
+
−   */
+
−  T_XID_BLOCK req_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * Confirmed XID parameters.
+
−   */
+
−  T_XID_BLOCK cnf_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * Indicated XID parameters.
+
−   */
+
−  T_XID_BLOCK ind_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * Responded XID parameters.
+
−   */
+
−  T_XID_BLOCK res_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * Currently used XID parameters.
+
−   */
+
−  T_XID_BLOCK cur_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * XID parameters that have not yet been requested, but are now needed,
+
−   * e.g. when an establishment is pending and another SNSM_ACTIVATE_IND
+
−   * comes in with compression required.
+
−   */
+
−  T_XID_BLOCK new_xid_block [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * index: sapi + data compression entity number, elements: state;
+
−   * indicates the state of the given entity, one of MG_UNASSIGNED,
+
−   * MG_SELECTED, MG_ASSIGNED UBYTE .
+
−   */
+
−  UBYTE sapi_dntt_state_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_ENTITIES];
+
−  /* index: sapi + header compression entity number, elements: state;
+
−   * indicates the state of the given entity, one of MG_UNASSIGNED,
+
−   * MG_SELECTED, MG_ASSIGNED UBYTE .
+
−   */
+
−  UBYTE sapi_pntt_state_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_ENTITIES];
+
−  /*
+
−   * index: sapi + data compression entity number + nsapi,
+
−   * elements: is nsapi conneted to given entity?;
+
−   * indicates whether the NSAPI uses the given entity on the given SAPI.
+
−   */
+
−  BOOL sapi_dntt_nsapi_set_ra [SNDCP_NUMBER_OF_SAPIS]
+
−                              [MG_MAX_ENTITIES]
+
−                              [SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * index: sapi + header compression entity number + nsapi,
+
−   * elements: is nsapi conneted to given entity?;
+
−   * indictes whether the NSAPI uses the given entity on the given SAPI.
+
−   */
+
−  BOOL sapi_pntt_nsapi_set_ra [SNDCP_NUMBER_OF_SAPIS]
+
−                              [MG_MAX_ENTITIES]
+
−                              [SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * index: sapi + dcomp value, elements: state;
+
−   * indicates the state of the given dcomp value, one of MG_UNASSIGNED,
+
−   * MG_SELECTED, MG_ASSIGNED UBYTE .
+
−   */
+
−  UBYTE sapi_dcomp_state_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_DCOMP];
+
−  /*
+
−   * index: sapi + pcomp value, elements: state;
+
−   * indicates the state of the given pcomp value, one of MG_UNASSIGNED,
+
−   * MG_SELECTED, MG_ASSIGNED UBYTE .
+
−   */
+
−  UBYTE sapi_pcomp_state_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_PCOMP];
+
−  /*
+
−   * index: sapi + dcomp value, elements: data compression entity number;
+
−   * indicates the entity to which the given dcomp value in the given SAPi 
+
−   * is assigned.
+
−   */
+
−  UBYTE sapi_dcomp_dntt_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_DCOMP];
+
−  /*
+
−   * index: sapi + pcomp value, elements: header compression entity number;
+
−   * indicates the entity to which the given pcomp value in the given SAPi
+
−   * is assigned.
+
−   */
+
−  UBYTE sapi_pcomp_pntt_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_PCOMP];
+
−  /*
+
−   * index: sapi, elements: number of renegotiations;
+
−   */
+
−  UBYTE renego [SNDCP_NUMBER_OF_SAPIS];
+
−  /*
+
−   * index: sapi + dntt value, elements: will the ntt be rejected?
+
−   * For entities that are proposed by the network but cannot be set up.
+
−   */
+
−  BOOL sapi_dntt_rej_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_ENTITIES];
+
−  /*
+
−   * index: sapi + dntt value, elements: will the ntt be rejected?
+
−   * For entities that are proposed by the network but cannot be set up.
+
−   */
+
−  BOOL sapi_pntt_rej_ra [SNDCP_NUMBER_OF_SAPIS][MG_MAX_ENTITIES];
+
−  /*
+
−   * What is expected in the course of a context modification?
+
−   * Possible values: MG_MOD_X_NONE, MG_MOD_X_REL, MG_MOD_X_EST, MOD_X_READY.
+
−   */
+
−  UBYTE mod_expects;
+
−  /*
+
−   * Bit_mask for all nsapis waiting with snsm_modify_res for est
+
−   * and/or rel.
+
−   */
+
−  USHORT waiting_nsapis;
+
−  /*
+
−   * Bit_mask for all nsapis currently suspended.
+
−   */
+
−  USHORT suspended_nsapis;
+
−
+
−} T_MG_DATA;
+
−
+
−
+
−typedef struct /* T_NU_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected nsapi
+
−   */
+
−  UBYTE nsapi;
+
−  /*
+
−   * The Send N-PDU number for unacknowledged data transfer.
+
−   */
+
−  USHORT send_npdu_number_unack;
+
−  /*
+
−   * The Send N-PDU number for acknowledged data transfer.
+
−   */
+
−  UBYTE send_npdu_number_ack;
+
−  /*
+
−   * The Receive N-PDU number for unacknowledged data transfer.
+
−   */
+
−  UBYTE rec_npdu_number_ack;
+
−  /*
+
−   * Here the sent N-PDUs are stored.
+
−   */
+
−  T_NPDU_BUFFER* first_buffered_npdu;
+
−  /*
+
−   * This is the next npdu buffer to be resent.
+
−   */
+
−  T_NPDU_BUFFER* next_resend;
+
−  /*
+
−   * Is an SN_READY_IND pending?
+
−   */
+
−  BOOL sn_ready_ind_pending;
+
−  /*
+
−   * Is an SN_UNITREADY_IND pending?
+
−   */
+
−  BOOL sn_unitready_ind_pending;
+
−  /*
+
−   * Is an SN_SWITCH_CNF expected?
+
−   */
+
−  BOOL sn_switch_cnf_expected;
+
−#ifdef SNDCP_UPM_INCLUDED
+
−  /*
+
−   * Is an SN_DTI_CNF expected?
+
−   */
+
−  BOOL sn_dti_cnf_expected;
+
−#endif /* SNDCP_UPM_INCLUDED */
+
−  /*
+
−   * Is DTI connection opened?
+
−   */
+
−  BOOL connection_is_opened;
+
−  /*
+
−   * This flag indicates if config prim "DISCARD" or "RESUME"
+
−   * for certain NSAPI was received. TRUE means "DISCARD" was received.
+
−   * FALSE is the default state and will be set if "RESUME" was received.
+
−   */
+
−  BOOL discard;
+
−
+
−  /*
+
−   * This variables are needed for statistics showing how much data was
+
−   * discarded and how much sent.
+
−   */
+
−  ULONG sent_data;
+
−  ULONG discarded_data;
+
−
+
−} T_NU_DATA;
+
−
+
−
+
−typedef struct /* T_SU_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * The affected sapi.
+
−   */
+
−  UBYTE sapi;
+
−  /*
+
−   * The max segment size for unacknowledged data transfer.
+
−   */
+
−  USHORT n201_u;
+
−  /*
+
−   * An array with one T_SN_UNITDATA_REQ* per NSAPI. It is ensured by the flow
+
−   * control with service nu that only one sn_unitdata_req per nsapi may be
+
−   * present. This array works like a queue with a read and a write pointer.
+
−   */
+
−  T_SN_UNITDATA_REQ* sn_unitdata_q [SN_UNITDATA_Q_LEN];
+
−  /*
+
−   * An array with the N-PDU numbers for the above sn_unitdata_req primitives.
+
−   */
+
−  USHORT npdu_number_q [SN_UNITDATA_Q_LEN];
+
−  /*
+
−   * The read pointer for sn_unitdata_q.
+
−   */
+
−  UBYTE sn_unitdata_q_read;
+
−  /*
+
−   * The write pointer for sn_unitdata_q.
+
−   */
+
−  UBYTE sn_unitdata_q_write;
+
−#ifdef _SNDCP_DTI_2_
+
−  /*
+
−   * An Array with a number of T_LL_UNITDESC_REQ* to store all segments of
+
−   * 1 N-PDU after they have been received from cia.
+
−   */
+
−  T_LL_UNITDESC_REQ* ll_unitdesc_q [SNDCP_SEGMENT_NUMBERS_UNACK];
+
−  /*
+
−   * The read pointer for ll_unitdesc_q.
+
−   */
+
−  U8 ll_unitdesc_q_read;
+
−  /*
+
−   * The write pointer for ll_unitdesc_q.
+
−   */
+
−  U8 ll_unitdesc_q_write;
+
−#else /* _SNDCP_DTI_2_ */
+
−  /*
+
−   * An Array with a number of T_LL_UNITDATA_REQ* to store all segments of
+
−   * 1 N-PDU after they have been received from cia.
+
−   */
+
−  T_LL_UNITDATA_REQ* ll_unitdata_q [SNDCP_SEGMENT_NUMBERS_UNACK];
+
−  /*
+
−   * The read pointer for ll_unitdata_q.
+
−   */
+
−  UBYTE ll_unitdata_q_read;
+
−  /*
+
−   * The write pointer for ll_unitdata_q.
+
−   */
+
−  UBYTE ll_unitdata_q_write;
+
−#endif /* _SNDCP_DTI_2_ */
+
−
+
−  /*
+
−   * In what state is cia?
+
−   * Set to CIA_IDLE at init time and when last segment of N-PDU has been sent
+
−   * to LLC.
+
−   * Set to CIA_BUSY whenever sig_su_cia_cia_comp_req is sent.
+
−   */
+
−  UBYTE cia_state;
+
−} T_SU_DATA;
+
−
+
−typedef struct /* T_SUA_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * The affected sapi.
+
−   */
+
−  UBYTE sapi;
+
−  /*
+
−   * The max segment size for acknowledged data transfer.
+
−   */
+
−  USHORT n201_i;
+
−  /*
+
−   * An array with one T_SN_DATA_REQ* per NSAPI. It is ensured by the flow
+
−   * control with service nu that only one sn_data_req per nsapi may be
+
−   * present. This array works like a queue with a read and a write pointer.
+
−   */
+
−  T_SN_DATA_REQ* sn_data_q [SN_DATA_Q_LEN];
+
−  /*
+
−   * An array with the N-PDU numbers for the above sn_data_req primitives.
+
−   */
+
−  UBYTE npdu_number_q [SN_DATA_Q_LEN];
+
−  /*
+
−   * The read pointer for sn_data_q.
+
−   */
+
−  UBYTE sn_data_q_read;
+
−  /*
+
−   * The write pointer for sn_data_q.
+
−   */
+
−  UBYTE sn_data_q_write;
+
−  /*
+
−   * Information about the outgoing segments, first element in dynamic list.
+
−   */
+
−  T_SEG_INFO* first_seg_info;
+
−#ifdef _SNDCP_DTI_2_
+
−  /*
+
−   * An Array with a number of T_LL_DESC_REQ* to store all
+
−   * segments of 1 N-PDU after they have been received from cia.
+
−   */
+
−  T_LL_DESC_REQ* ll_desc_q [SNDCP_SEGMENT_NUMBERS_ACK];
+
−  /*
+
−   * The read pointer for ll_desc_q.
+
−   */
+
−  U8 ll_desc_q_read;
+
−  /*
+
−   * The write pointer for ll_desc_q.
+
−   */
+
−  U8 ll_desc_q_write;
+
−#else /* _SNDCP_DTI_2_ */
+
−  /*
+
−   * An Array with a number of T_LL_DATA_REQ* to store all
+
−   * segments of 1 N-PDU after they have been received from cia.
+
−   */
+
−  T_LL_DATA_REQ* ll_data_q [SNDCP_SEGMENT_NUMBERS_ACK];
+
−  /*
+
−   * The read pointer for ll_data_q.
+
−   */
+
−  UBYTE ll_data_q_read;
+
−  /*
+
−   * The write pointer for ll_data_q.
+
−   */
+
−  UBYTE ll_data_q_write;
+
−#endif /* _SNDCP_DTI_2_ */
+
−  /*
+
−   * In what state is cia?
+
−   * Set to CIA_IDLE at init time and when last segment of N-PDU has been sent
+
−   * to LLC.
+
−   * Set to CIA_BUSY whenever sig_sua_cia_cia_comp_req is sent.
+
−   */
+
−  UBYTE cia_state;
+
−} T_SUA_DATA;
+
−
+
−
+
−
+
−typedef struct /* T_ND_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected nsapi
+
−   */
+
−  UBYTE nsapi;
+
−  /*
+
−   * Receive npdu number for recovery state.
+
−   */
+
−  UBYTE npdu_num;
+
−} T_ND_DATA;
+
−
+
−typedef struct /* T_PD_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected sapi
+
−   */
+
−  UBYTE sapi;
+
−} T_PD_DATA;
+
−
+
−typedef struct /* T_PDA_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected sapi
+
−   */
+
−  UBYTE sapi;
+
−} T_PDA_DATA;
+
−
+
−
+
−typedef struct /* T_SD_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected sapi
+
−   */
+
−  UBYTE sapi;
+
−  /*
+
−   * TRUE if an LL_GETUNITDATA_REQ is pending, FALSE else
+
−   */
+
−  BOOL llc_may_send;
+
−  /*
+
−   * The SN_UNITDATA_IND that iscurrently being assembled.
+
−   */
+
−  T_SN_UNITDATA_IND* cur_sn_unitdata_ind[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * Is the affected NSAPI receptive?
+
−   */
+
−  BOOL nsapi_rec_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−} T_SD_DATA;
+
−
+
−typedef struct /* T_SDA_DATA */
+
−{
+
−  UBYTE                       state;
+
−  /*
+
−   * Required for state traces.
+
−   */
+
−#ifndef NTRACE
+
−  char                        *name;
+
−  char                        *state_name;
+
−#endif
+
−  /*
+
−   * the affected sapi
+
−   */
+
−  UBYTE sapi;
+
−  /*
+
−   * TRUE if an LL_GETDATA_REQ is pending, FALSE else
+
−   */
+
−  BOOL llc_may_send;
+
−  /*
+
−   * The SN_DATA_IND that iscurrently being assembled.
+
−   */
+
−  T_SN_DATA_IND* cur_sn_data_ind[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * Is the affected NSAPI receptive?
+
−   */
+
−  BOOL nsapi_rec_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * The N-PDU number of the current uncompressed N-PDU.
+
−   */
+
−  UBYTE uncomp_npdu_num;
+
−
+
−} T_SDA_DATA;
+
−
+
−
+
−
+
−
+
−typedef struct /* T_SNDCP_DATA */
+
−{
+
−
+
−
+
−  /*
+
−   * Entity global arrays for organizing purposes
+
−   */
+
−
+
−  /*
+
−   * index: nsapi, elements: qos;
+
−   * indicating the quality of service for the given NSAPI.
+
−   */
+
−  T_snsm_qos nsapi_qos_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * index: nsapi, elements: flags;
+
−   * indicating whether the given NSAPI (0..15) is currently in use or not.
+
−   */
+
−  BOOL nsapi_used_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * index: nsapi, elements: flags;
+
−   * indicating the sapi that is used by a certain nsapi.
+
−   */
+
−  UBYTE nsapi_sapi_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * index: nsapi, elements: the radio priority to be used in lower layers;
+
−   * indicating the radio priority to be used in LL_(UNIT-)DATA_REQ prims.
+
−   */
+
−  UBYTE nsapi_prio_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−#ifdef REL99
+
−  /*
+
−   * index: nsapi, elements: the packet flwo identifier to be used in lower layers;
+
−   * indicating the packet flwo identifier to be used in LL_(UNIT-)DATA_REQ prims.
+
−   */
+
−  U16 nsapi_pktflowid_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−#endif /*REL99*/
+
−
+
−  /*
+
−   * index: sapi, elements: LLC acknowledged?
+
−   * indicating acknowledged (TRUE) or unacknowledged (FALSE) LLC operation
+
−   * mode of the given LLC SAPI.
+
−   */
+
−  BOOL sapi_ack_ra[SNDCP_NUMBER_OF_SAPIS];
+
−
+
−  /*
+
−   * index: nsapi, elements: LLC acknowledged?
+
−   * indicating acknowledged (TRUE) or unacknowledged (FALSE) LLC operation
+
−   * mode of the given NSAPI.
+
−   */
+
−  BOOL nsapi_ack_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * index: sapi, elements: the state;
+
−   * indicating one of MG_EST, MG_REL etc...
+
−   */
+
−  USHORT sapi_state_ra[SNDCP_NUMBER_OF_SAPIS];
+
−
+
−  /*
+
−   * index: nsapi, elements: the state;
+
−   * indicating one of MG_EST, MG_REL etc...
+
−   */
+
−  USHORT nsapi_state_ra[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * How many Van Jacobson compressors have been set up?
+
−   * Must not be bigger than SNDCP_MAX_VJ_COUNT.
+
−   */
+
−  UBYTE vj_count;
+
−  /*
+
−   * SNDCP sends an LL_XID_REQ at each context activation.
+
−   * This may switched off by setting this variable to FALSE.
+
−   */
+
−  BOOL always_xid;
+
−
+
−#ifndef NCONFIG
+
−  /*
+
−   * In case of config primitive SEND_UNITDATA this variable indicates the
+
−   * number of octets to be sent.
+
−   */
+
−  U32 data_count[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * Number of milliseconds to delay each SSM_ACTIVATE_IND after config prim DELAY.
+
−   */
+
−  USHORT millis;
+
−#endif
+
−
+
−
+
−#define _SNDCP_MEAN_TRACE_
+
−#ifdef _SNDCP_MEAN_TRACE_
+
−  /*
+
−   * Used for tracing mean throughput up and down SN SAP.
+
−   */
+
−  /*
+
−   * Time in ms.
+
−   */
+
−  T_TIME start_time_uplink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME start_time_uplink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME start_time_downlink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME start_time_downlink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  T_TIME cur_time_uplink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME cur_time_uplink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME cur_time_downlink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  T_TIME cur_time_downlink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * Number of transferred octets.
+
−   * Skipped octets after config prim DISCARD are skipped.
+
−   */
+
−  ULONG cur_num_uplink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_num_uplink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_num_downlink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_num_downlink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * Number of transferred packets.
+
−   * Skipped packets after config prim DISCARD are skipped.
+
−   */
+
−  ULONG cur_pac_uplink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_pac_uplink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_pac_downlink_ack [SNDCP_NUMBER_OF_NSAPIS];
+
−  ULONG cur_pac_downlink_unack [SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * Direction and ack_mode parameters.
+
−   */
+
−#define SNDCP_MEAN_UP       1
+
−#define SNDCP_MEAN_DOWN     2
+
−#define SNDCP_MEAN_ACK      3
+
−#define SNDCP_MEAN_UNACK    4
+
−
+
−#endif /* _SNDCP_MEAN_TRACE_ */
+
−
+
−#ifndef SNDCP_UPM_INCLUDED 
+
−#define SNDCP_INTERFACE_ACK   1
+
−#endif 
+
−#define SNDCP_INTERFACE_UNACK 0
+
−
+
−#ifdef _SNDCP_DTI_2_
+
−  DTI_HANDLE hDTI;
+
−#else /* _SNDCP_DTI_2_*/
+
−  DTI_HANDLE* hDTI;
+
−#endif /* _SNDCP_DTI_2_*/
+
−
+
−
+
−
+
−
+
−  U32 nsapi_linkid_ra [SNDCP_NUMBER_OF_NSAPIS];
+
−  U8* nsapi_neighbor_ra [SNDCP_NUMBER_OF_NSAPIS];
+
−  U8  nsapi_interface_ra [SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * Possible values from dti.h: HOME or NEIGHBOR
+
−   * Do not use SN or SNSM values.
+
−   */
+
−  BOOL nsapi_direction_ra [SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−#ifdef FLOW_TRACE
+
−  BOOL  flow_control_ra [5][2][2];
+
−#endif /* FLOW_TRACE */
+
−
+
−  /*
+
−   * Service data structures
+
−   *
+
−   * Services with multiple incarnations require an array of structures
+
−   * named xxx_base[] with xxx = service abbrevation, and additionally a
+
−   * pointer named *xxx, which will be accessed instead of xxx_base.
+
−   *
+
−   * Services with only one incarnation just have to declare one structure
+
−   * named xxx (no need for xxx_base[] and *xxx).
+
−   *
+
−   * The differentiation between the two access possibilites is made with
+
−   * the defines of the service names above (SNDCP_SERVICE_XXX).
+
−   */
+
−  T_CIA_DATA                   cia;
+
−
+
−  T_MG_DATA                    mg;
+
−
+
−  T_PD_DATA                    pd_base[SD_NUM_INC];
+
−  T_PD_DATA                    *pd;
+
−
+
−  T_PDA_DATA                   pda_base[SD_NUM_INC];
+
−  T_PDA_DATA                   *pda;
+
−
+
−  T_NU_DATA                    nu_base[NU_NUM_INC];
+
−  T_NU_DATA                    *nu;
+
−
+
−  T_SU_DATA                    su_base[SU_NUM_INC];
+
−  T_SU_DATA                    *su;
+
−
+
−  T_SUA_DATA                    sua_base[SUA_NUM_INC];
+
−  T_SUA_DATA                    *sua;
+
−
+
−  T_ND_DATA                    nd_base[ND_NUM_INC];
+
−  T_ND_DATA                    *nd;
+
−
+
−  T_SD_DATA                    sd_base[SD_NUM_INC];
+
−  T_SD_DATA                    *sd;
+
−
+
−  T_SDA_DATA                    sda_base[SDA_NUM_INC];
+
−  T_SDA_DATA                    *sda;
+
−
+
−  /*
+
−   * Receiving states.(Regarding to 3GPP 04.65, capture 6.7.1.2)
+
−   * index: NSAPI number, elements: SD/SDA receiving states relaiting to NSAPI.
+
−   * One SAPI can receive SN-PDU's for diffent NSAPI's used currently on 
+
−   * this SAPI. In this case SD/SDA services have to have different receiving 
+
−   * states for each on this SAPI achtive NSAPI.
+
−   */
+
−  UBYTE rec_states[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
−  /*
+
−   * Reference to pdu.
+
−   */
+
−  T_pdu_ref cur_pdu_ref[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * The dcomp value in the first segment of the currently reassembled N-PDU.
+
−   */
+
−  UBYTE cur_dcomp[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * The pcomp value in the first segment of the currently reassembled N-PDU.
+
−   */
+
−  UBYTE cur_pcomp[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * First and/or last segment?
+
−   */
+
−  UBYTE cur_seg_pos[SNDCP_NUMBER_OF_NSAPIS];
+
−  /*
+
−   * Has the currently reassembled n-pdu a big header?
+
−   */
+
−  BOOL big_head[SNDCP_NUMBER_OF_NSAPIS];
+
−
+
− /*
+
−  * Global variable indicating if the config primitive
+
−  * TRACE_HEADER_ON has been received and the IP header
+
−  * will be traced
+
−  */
+
−  BOOL trace_ip_header;
+
− /*
+
−  * Global variable indicating if the config primitive
+
−  * TRACE_PACKET_ON has been received and the complete
+
−  * IP packets (Header+Payload) will traced
+
−  */
+
−  BOOL trace_ip_datagram;
+
− /*
+
−  * Global variable indicating if the config primitive
+
−  * TRACE_IP_BIN has been received and the complete
+
−  * IP packets (Header+Payload) will be exported via BIN TRACE
+
−  */
+
−  BOOL trace_ip_bin;
+
−  /*
+
−   * This flag indicates if IP filter is activated or not. Per default
+
−   * the IP filter is disabled and the state is set to FALSE.
+
−   * TRUE means "IP_FILTER_ON" was received and filter is activated.
+
−   */
+
−  BOOL ip_filter;
+
−  /*
+
−   * This Counter indicates the Current Segment Number in single NPDU
+
−   * which is being assembled currently.
+
−   * This Counter Value is introduced to encounter the PARTITION 
+
−   * Problem which we may face when there are more than 100 segments in
+
−   * one NPDU are received in downlink.
+
−   */
+
−  U8 cur_segment_number[SNDCP_NUMBER_OF_NSAPIS];
+
−  
+
−  /* Flag to indicate if flow control is received before NSAPI is used.
+
−   * If the flow control is received the corresponding bit for the NSAPI
+
−   * is set in the variable 
+
−   */
+
−  USHORT nsapi_rcv_rdy_b4_used;
+
−  U8 nsapi;
+
−  BOOL tcp_flow;
+
−} T_SNDCP_DATA;
+
−
+
−
+
−/*==== EXPORT =====================================================*/
+
−
+
−/*
+
− * Entity data base
+
− */
+
−#ifdef SNDCP_PEI_C
+
−       T_SNDCP_DATA sndcp_data_base, *sndcp_data;
+
−#else
+
−EXTERN T_SNDCP_DATA sndcp_data_base, *sndcp_data;
+
−#endif
+
−
+
−#define ENTITY_DATA           sndcp_data
+
−
+
−
+
−/*
+
− * Communication handles
+
− */
+
−#define hCommMMI             _ENTITY_PREFIXED(hCommMMI)
+
−
+
−#ifdef SNDCP_UPM_INCLUDED 
+
−#define hCommUPM             _ENTITY_PREFIXED(hCommUPM)
+
−#else
+
−#define hCommSM              _ENTITY_PREFIXED(hCommSM)
+
−#endif  /*#ifdef SNDCP_UPM_INCLUDED*/
+
−
+
−#define hCommLLC              _ENTITY_PREFIXED(hCommLLC)
+
−
+
−#ifdef SNDCP_PEI_C
+
−       T_HANDLE hCommMMI       = VSI_ERROR;
+
−/*       T_HANDLE hCommSM         = VSI_ERROR; */
+
−#ifdef SNDCP_UPM_INCLUDED 
+
−       T_HANDLE hCommUPM         = VSI_ERROR;
+
−#endif  /*SNDCP_UPM_INCLUDED*/
+
−       T_HANDLE hCommLLC        = VSI_ERROR;
+
−
+
−       T_HANDLE SNDCP_handle;
+
−/*
+
− * make the pei_create function unique
+
− */
+
−#define pei_create _ENTITY_PREFIXED(pei_create)
+
−
+
−
+
−#else
+
−EXTERN T_HANDLE hCommMMI;
+
−/*EXTERN T_HANDLE hCommSM; */
+
−#ifdef SNDCP_UPM_INCLUDED 
+
−EXTERN T_HANDLE hCommUPM;
+
−#endif
+
−EXTERN T_HANDLE hCommLLC;
+
−
+
−EXTERN T_HANDLE SNDCP_handle;
+
−
+
−#endif /* SNDCP_PEI_C */
+
−
+
−
+
−#endif /* SNDCP_H */