+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  GPRS (8441)
+
−|  Modul   :  gmm_txf.c
+
−+----------------------------------------------------------------------------- 
+
−|  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. 
+
−+----------------------------------------------------------------------------- 
+
−|  Purpose :  This modul is part of the entity GMM and implements all 
+
−|             procedures and functions as described in the 
+
−|             SDL-documentation (TX-statemachine)
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−
+
−#ifndef GMM_TXF_C
+
−#define GMM_TXF_C
+
−#endif
+
−
+
−#define ENTITY_GMM
+
−
+
−/*==== INCLUDES =============================================================*/
+
−
+
−#include "typedefs.h"    /* to get Condat data types */
+
−#include "vsi.h"        /* to get a lot of macros */
+
−#include "macdef.h"
+
−#include "gprs.h"
+
−#include "gsm.h"        /* to get a lot of macros */
+
−#include "ccdapi.h"     /* to get CCD API */
+
−#include "cnf_gmm.h"    /* to get cnf-definitions */
+
−#include "mon_gmm.h"    /* to get mon-definitions */
+
−#include "prim.h"       /* to get the definitions of used SAP and directions */
+
−#include "gmm.h"        /* to get the global entity definitions */
+
−#include "gmm_f.h"      /* to get the gmm_get_tlli procedure */
+
−#include <string.h>     /* to get memset */
+
−
+
−/*==== CONST ================================================================*/
+
−
+
−/*==== LOCAL VARS ===========================================================*/
+
−
+
−/*==== PRIVATE FUNCTIONS ====================================================*/
+
−
+
−/*==== PUBLIC FUNCTIONS =====================================================*/
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : txgmm_init
+
−+------------------------------------------------------------------------------
+
−| Description : The function txgmm_init() .... 
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void txgmm_init ( void )
+
−{ 
+
−  TRACE_FUNCTION( "txgmm_init" );
+
−
+
−  /*
+
−   * Initialise service TX with state TX_READY.
+
−   */
+
−  INIT_STATE ( TX, TX_READY );
+
−  
+
−} /* txgmm_init() */
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : tx_fill_unitdata_req
+
−+------------------------------------------------------------------------------
+
−| Description : This procedure tx_fill_unitdata_req() fills the primitive
+
−|               ll_unitdata_req with all necessary dafault parameters.except
+
−|               the SDU 
+
−|               
+
−|
+
−| Parameters  : ll_unitdata_req - the primitive, which has to be filled
+
−|               
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void tx_fill_unitdata_req ( T_LL_UNITDATA_REQ *ll_unitdata_req_p, T_TLLI_TYPE tlli_type, BOOL cipher )
+
−{
+
−  GMM_TRACE_FUNCTION ("tx_fill_unitdata_req");
+
−  ll_unitdata_req_p-> sapi            = LL_SAPI_1;
+
−  ll_unitdata_req_p-> tlli            = gmm_get_tlli ( tlli_type );
+
−  ll_unitdata_req_p-> ll_qos.delay    = LL_DELAY_SUB; 
+
−  ll_unitdata_req_p-> ll_qos.peak     = LL_PEAK_SUB;
+
−  ll_unitdata_req_p-> ll_qos.preced   = LL_PRECED_SUB;
+
−  ll_unitdata_req_p-> ll_qos.mean     = LL_MEAN_SUB;
+
−  ll_unitdata_req_p-> cipher          = 
+
−                                    (gmm_data->config.cipher_on?cipher:FALSE);
+
−  /*
+
−   * all GMM (and SM) messages are transmitted in RLC/MAC acknowledged mode
+
−   */
+
−  ll_unitdata_req_p-> ll_qos.relclass = LL_RLC_PROT;
+
−  /*
+
−   * all GMM messages have highest priority (!!!!! what about SM?)
+
−   */
+
−  ll_unitdata_req_p-> radio_prio      = LL_RADIO_PRIO_1;
+
−  ll_unitdata_req_p->ll_qos.reserved_1  = 0xff;
+
−  ll_unitdata_req_p->ll_qos.reserved_2  = 0xff;
+
−  ll_unitdata_req_p->ll_qos.reserved_3  = 0xff;
+
−  ll_unitdata_req_p->reserved_unitdata_req1.ref_npdu_num = 0xffff;
+
−  ll_unitdata_req_p->reserved_unitdata_req1.ref_nsapi   = 0xff;
+
−  ll_unitdata_req_p->reserved_unitdata_req1.ref_seg_num  = 0xff;
+
−  ll_unitdata_req_p->reserved_unitdata_req4 = 0xffffffff;
+
−
+
−#ifdef REL99
+
−  /*
+
−   * This change is related to R99.
+
−   */
+
−  ll_unitdata_req_p->pkt_flow_id        = 0xffff; /* TCS 4.0 */
+
−#else
+
−  ll_unitdata_req_p->reserved_unitdata_req5   = 0xffff;
+
−#endif
+
−
+
−  ll_unitdata_req_p->seg_pos            = 0xff;
+
−  ll_unitdata_req_p->attached_counter= 0x00;
+
−  
+
−  GMM_RETURN;
+
−}
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : tx_unitdata_req
+
−+------------------------------------------------------------------------------
+
−| Description : This procedure tx_unitdata_req() fills the primitive
+
−|               ll_unitdata_req with all necessary parameters.and sends
+
−|               the message to LLC
+
−|               
+
−|
+
−| Parameters  : tlli_type       - local, foreign or random
+
−|               
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void tx_unitdata_req ( T_TLLI_TYPE tlli_type, UBYTE msg_type )
+
−{ 
+
−  U8 *payload;
+
−#ifndef GMM_TCS4
+
−  U16 length;
+
−#endif
+
−  
+
−  GMM_TRACE_FUNCTION( "tx_unitdata_req" );
+
−  _decodedMsg[0] = msg_type;
+
−
+
−  /*
+
−   * send the message to LLC
+
−   */
+
−  {
+
−    USHORT bit_size = bit_size_message_table[msg_type] + LLC_SDU_OFFSET_BITS;
+
−    PALLOC_SDU ( ll_unitdata_req_p, LL_UNITDATA_REQ, bit_size );    
+
−    
+
−    ll_unitdata_req_p->sdu.o_buf = LLC_SDU_OFFSET_BITS;
+
−    /*
+
−     * l_buf has to be set to inform CCD how many bit must be reset
+
−     */
+
−    ll_unitdata_req_p->sdu.l_buf = bit_size_message_table[msg_type];
+
−    
+
−    /*
+
−     * fills the primitive with all necessary data
+
−     */
+
−
+
−    if ( gmm_data->cipher ) 
+
−    {
+
−      switch ( _decodedMsg [0] )
+
−      {
+
−        case ATTACH_REQUEST:
+
−        case ATTACH_REJECT:
+
−        case AUTHENTICATION_AND_CIPHERING_REQUEST:
+
−        case AUTHENTICATION_AND_CIPHERING_RESPONSE:
+
−        case AUTHENTICATION_AND_CIPHERING_REJECT:
+
−        case IDENTITY_RESPONSE:
+
−        case ROUTING_AREA_UPDATE_REQUEST:
+
−         /*
+
−          * <R.GMM.CIPHMSG.M.001>
+
−          */
+
−          tx_fill_unitdata_req ( ll_unitdata_req_p,
+
−                           tlli_type,
+
−                           LL_CIPHER_OFF );
+
−
+
−          break;
+
−        default:
+
−          tx_fill_unitdata_req ( ll_unitdata_req_p,
+
−                           tlli_type,
+
−                           LL_CIPHER_ON );
+
−          break;
+
−      }
+
−    }
+
−    else
+
−    {
+
−          tx_fill_unitdata_req ( ll_unitdata_req_p,
+
−                           tlli_type,
+
−                           LL_CIPHER_OFF );
+
−
+
−    }
+
−
+
−    if ( ccd_codeMsg ( CCDENT_GMM,
+
−                        UPLINK,
+
−                        (T_MSGBUF  *) &ll_unitdata_req_p->sdu,
+
−                        _decodedMsg,
+
−                        NOT_PRESENT_8BIT) != ccdOK
+
−      )
+
−    {
+
−
+
−     /*
+
−      * Error Handling
+
−      */
+
−      TRACE_ERROR( "CCD_ERROR: Error Handling for ccd-output not yet supported" ) ;
+
−      PFREE ( ll_unitdata_req_p );
+
−    } 
+
−    else
+
−    {
+
−      /*
+
−       * Set the Protocol discriminator to PD_GMM, defined in GSM 4.0.8
+
−       * Set the Skip indicater to 0 
+
−       */     
+
−      ccd_codeByte (ll_unitdata_req_p->sdu.buf,
+
−                   (USHORT)(ll_unitdata_req_p->sdu.o_buf - 8),
+
−                    8,
+
−                    PD_GMM);
+
−      ll_unitdata_req_p->sdu.l_buf += 8;
+
−      ll_unitdata_req_p->sdu.o_buf -= 8;
+
−    
+
−      #ifndef NTRACE
+
−
+
−      payload = &(ll_unitdata_req_p->sdu.buf[0]);     /* beginning of buffer      */
+
−      payload += (ll_unitdata_req_p->sdu.o_buf) >> 3; /*  plus offset (bytes)     */
+
−#ifndef GMM_TCS4
+
−      length  = (ll_unitdata_req_p->sdu.l_buf) >> 3;  /* length (bytes, bits / 8) */
+
−#endif
+
−
+
−      switch ( _decodedMsg [0] )
+
−        {
+
−        case ATTACH_REQUEST:
+
−          TRACE_0_OUT_PARA ( "ATTACH_REQ" );
+
−#ifndef GMM_TCS4
+
−          TRACE_BINDUMP( GMM_handle,
+
−             TC_USER4,
+
−             "ATTACH REQUEST",
+
−             payload,
+
−             length);
+
−#endif
+
−          break;
+
−        case ATTACH_COMPLETE:
+
−          TRACE_0_OUT_PARA ( "ATTACH_COMPLETE" ); 
+
−          break;
+
−        case U_DETACH_REQUEST:
+
−          TRACE_0_OUT_PARA ( "DETACH_REQ" );
+
−          break;
+
−        case U_DETACH_ACCEPT:
+
−          TRACE_0_OUT_PARA ( "DETACH_ACC" );
+
−          break;
+
−        case ROUTING_AREA_UPDATE_REQUEST:
+
−          TRACE_0_OUT_PARA ( "RAU_REQ" );
+
−#ifndef GMM_TCS4
+
−          TRACE_BINDUMP( GMM_handle,
+
−             TC_USER4,
+
−             "ROUTING AREA UPDATE REQUEST",
+
−             payload,
+
−             length);
+
−#endif
+
−          break;
+
−        case ROUTING_AREA_UPDATE_COMPLETE:
+
−          TRACE_0_OUT_PARA ( "RAU_COMPLETE" );
+
−          break;
+
−        case P_TMSI_REALLOCATION_COMPLETE:
+
−          TRACE_0_OUT_PARA ( "PTMSI_REALLOC_COMPLETE" );
+
−          break;
+
−        case AUTHENTICATION_AND_CIPHERING_RESPONSE:
+
−          TRACE_0_OUT_PARA ( "A&C_RES" );
+
−          break;
+
−        case IDENTITY_RESPONSE:
+
−          TRACE_0_OUT_PARA ( "ID_RES");
+
−          break;
+
−        case GMM_STATUS:
+
−          TRACE_0_OUT_PARA ( "GMM_STATUS");
+
−          break;
+
−        /* wrong direction: */
+
−        case ATTACH_ACCEPT:      
+
−          TRACE_ERROR ( "ATTACH_ACC not uplink direction");
+
−          break;
+
−        case ATTACH_REJECT:
+
−          TRACE_ERROR ( "ATTACH_REJECT not uplink direction");
+
−          break;
+
−        case ROUTING_AREA_UPDATE_ACCEPT:
+
−          TRACE_ERROR ( "ROUTING_AREA_UPDATE_ACCEPT not uplink direction");
+
−          break;
+
−        case ROUTING_AREA_UPDATE_REJECT:
+
−          TRACE_ERROR ( "ROUTING_AREA_UPDATE_REJECT not uplink direction");
+
−          break;
+
−        case P_TMSI_REALLOCATION_COMMAND:
+
−          TRACE_ERROR ( "PTMSI_REALLOC_CMD not uplink direction");
+
−          break;
+
−        case AUTHENTICATION_AND_CIPHERING_REQUEST:
+
−          TRACE_ERROR ( "A&C_REQ not uplink direction");
+
−          break;
+
−        case AUTHENTICATION_AND_CIPHERING_REJECT:
+
−          TRACE_ERROR ( "A&C_REJ not uplink direction");
+
−          break;
+
−        case IDENTITY_REQUEST:
+
−          TRACE_ERROR ( "ID_REQ not uplink direction");
+
−          break;
+
−        case GMM_INFORMATION:
+
−          TRACE_ERROR ( "GMM_INFO not uplink direction");
+
−          break;
+
−        default:
+
−          TRACE_ERROR ("Unknown GMM PDU");
+
−          break;
+
−      }
+
−    #endif /* _SIMULATION_ */
+
−
+
−    PSEND ( hCommLLC, ll_unitdata_req_p);
+
−
+
−    }
+
−  }
+
−  GMM_RETURN;
+
−} /* tx_fill_unitdata_req() */
+
−
+
−