+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  GPRS (8441)
+
−|  Modul   :  GRR
+
−+----------------------------------------------------------------------------- 
+
−|  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 module implements signal handler functions for service
+
−|             PG of entity GRR.
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−#ifndef GRR_PGS_C
+
−#define GRR_PGS_C
+
−#endif
+
−
+
−#define ENTITY_GRR
+
−
+
−/*==== 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_grr.h"    /* to get cnf-definitions */
+
−#include "mon_grr.h"    /* to get mon-definitions */
+
−#include "prim.h"       /* to get the definitions of used SAP and directions */
+
−#include "message.h"
+
−#include "grr.h"        /* to get the global entity definitions */
+
−
+
−
+
−#include "grr_ctrls.h"    /* */
+
−
+
−#include "grr_f.h"        /* to get the global functions */
+
−#include "grr_pgf.h"    /* */
+
−
+
−
+
−/*==== CONST ================================================================*/
+
−
+
−/*==== LOCAL VARS ===========================================================*/
+
−
+
−/*==== PRIVATE FUNCTIONS ====================================================*/
+
−
+
−/*==== PUBLIC FUNCTIONS =====================================================*/
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_start
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_START
+
−|               PG has to manage the paging procedures according to network mode
+
−|               and presence of PBCCH channel
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_start ( void ) 
+
−{ 
+
−  TRACE_ISIG( "sig_ctrl_pg_start" );
+
−
+
−  switch( GET_STATE( PG ) )
+
−  {
+
−    case PG_TRANSFER:
+
−      TRACE_ERROR("SIG_CTRL_PG_START not expected in transfer mode");
+
−      break;
+
−    case PG_NULL:
+
−      SET_STATE(PG, PG_IDLE);
+
−      
+
−      /*lint -fallthrough*/
+
−
+
−    default:
+
−      /* Because of having new cell or new PPCH */
+
−      psc_db->last_pg_mode = psc_db->network_pg_mode = REORG_PAGING;
+
−
+
−      pg_handle_idle_mode( NULL_IDLE );
+
−      break;
+
−  }
+
−
+
−} /* sig_ctrl_pg_start() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_stop
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_STOP
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_stop ( void ) 
+
−{ 
+
−  TRACE_ISIG( "sig_ctrl_pg_stop" );
+
−  
+
−  grr_data->pg.packet_mode = PACKET_MODE_NULL;
+
−  SET_STATE(PG,PG_NULL);
+
−  pg_send_stop();
+
−  psc_db->last_pg_mode = psc_db->network_pg_mode = REORG_PAGING;
+
−} /* sig_ctrl_pg_stop() */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_mode_ind
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_MODE_IND
+
−                This signal indicates whether the MS is in idle, transfer or access mode
+
−|
+
−| Parameters  : packet_mode
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_mode_ind ( T_PACKET_MODE packet_mode) 
+
−{ 
+
−  T_PACKET_MODE old_packet_mode;
+
−
+
−  TRACE_ISIG( "sig_ctrl_pg_mode_ind" );
+
−  
+
−  old_packet_mode          = grr_data->pg.packet_mode;
+
−  grr_data->pg.packet_mode = packet_mode;
+
−
+
−  switch( GET_STATE( PG ) )
+
−  {
+
−    case PG_IDLE:
+
−      switch( packet_mode )
+
−      {
+
−        case PACKET_MODE_PTM:
+
−          SET_STATE( PG, PG_TRANSFER );
+
−
+
−          pg_handle_transfer_mode( IDLE_PTM );
+
−          break;
+
−
+
−        case PACKET_MODE_PAM:
+
−          SET_STATE( PG, PG_ACCESS );
+
−
+
−          pg_handle_access_mode( );
+
−          break;
+
−
+
−        default:
+
−          break;
+
−      }
+
−      break;
+
−
+
−    case PG_TRANSFER:
+
−      switch( packet_mode )
+
−      {
+
−        case PACKET_MODE_PAM:
+
−          SET_STATE( PG, PG_ACCESS );
+
−
+
−          pg_handle_access_mode( );
+
−          break;
+
−
+
−        case PACKET_MODE_PIM:
+
−          SET_STATE( PG, PG_IDLE );  
+
−
+
−          pg_handle_non_drx_timers( );
+
−          pg_handle_idle_mode( PTM_IDLE );
+
−          break;
+
−
+
−        case PACKET_MODE_PTM:
+
−          //TODOif( grr_test_mode_active( ) )
+
−          {
+
−            sig_pg_ctrl_stop_mon_ccch( );
+
−          }
+
−          break;
+
−      }
+
−      break;
+
−
+
−    case PG_ACCESS:
+
−      switch( packet_mode )
+
−      {
+
−        case PACKET_MODE_PAM:
+
−          if( old_packet_mode EQ PACKET_MODE_2P_PTM )
+
−          {
+
−            TRACE_EVENT( "PACKET_MODE_2P_PTM --> PACKET_MODE_PAM" );
+
−
+
−            pg_handle_access_mode( );
+
−          }
+
−          break;
+
−
+
−        case PACKET_MODE_2P_PTM:
+
−          /* 
+
−           * Do not change the state to PG_TRANSFER because of transition rule
+
−           */
+
−          TRACE_EVENT( "PACKET_MODE_2P_PTM in PG_ACCESS" );
+
−
+
−          pg_handle_transfer_mode( ACCESS_PTM );
+
−          break;          
+
− 
+
−        case PACKET_MODE_PIM:
+
−          SET_STATE( PG, PG_IDLE );
+
−
+
−          pg_handle_idle_mode( ACCESS_IDLE );
+
−          break;
+
−
+
−        case PACKET_MODE_PTM:
+
−          SET_STATE( PG, PG_TRANSFER );
+
−
+
−          pg_handle_transfer_mode( ACCESS_PTM );
+
−          break;
+
−      }
+
−      break;    
+
−
+
−    default:
+
−      TRACE_ERROR( "SIG_CTRL_PG_MODE_IND unexpected" );
+
−      break;
+
−  }
+
−}/* sig_ctrl_pg_mode_ind() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_t3172_run
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_T3172_RUN
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_t3172_run ( void) 
+
−{ 
+
−  TRACE_ISIG( "sig_ctrl_pg_t3172_run" );
+
−  
+
−} /* sig_ctrl_pg_t3172_run() */
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_indication
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_INDICATION. This 
+
−|               signal indicates paging for packet access 
+
−|
+
−| Parameters  : UBYTE paging_type (IMSI or PTMSI(GPRS TMSI))
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_indication ( UBYTE paging_type ) 
+
−{ 
+
−  UBYTE type;
+
−  
+
−  TRACE_ISIG( "sig_ctrl_pg_indication" );
+
−  
+
−  type = (paging_type EQ RRGRR_IMSI)? GMMRR_IMSI: GMMRR_PTMSI;
+
−  
+
−  switch( GET_STATE( PG ) )
+
−  {
+
−    case PG_IDLE:
+
−      sig_pg_ctrl_downlink_transfer ( type );
+
−      break;
+
−    case PG_ACCESS:
+
−      /* ignore PAGING REQUEST messages indicating a packet paging procedure*/
+
−      break;
+
−    default:
+
−      TRACE_ERROR( "SIG_CTRL_PG_INDICATION unexpected" );
+
−      break;
+
−  }
+
−} /* sig_ctrl_pg_indication() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_ctrl_pg_rr_est
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CTRL_PG_RR_EST. This 
+
−|               signal indicates paging for RR connection.
+
−|               This signal makes no sense in case of Class C mobile
+
−|
+
−| Parameters  : no parameters
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_ctrl_pg_rr_est ( void) 
+
−{ 
+
− 
+
−  TRACE_ISIG( "sig_ctrl_pg_rr_est" );
+
−  
+
−  if(grr_data->ms.class_of_mode EQ GMMRR_CLASS_CG)
+
−  {
+
−    TRACE_ERROR("CLASS_CG MS has received a RR_EST ");  
+
−  }
+
−  else
+
−  {
+
−    switch( GET_STATE( PG ) )
+
−    {
+
−      case PG_NULL:  
+
−      case PG_IDLE:
+
−      case PG_ACCESS:
+
−        /* inform CTRL resp. GMM about the RR connection establishment request:
+
−         *  GMM has to decide whether accept the request or not
+
−         */
+
−        sig_pg_ctrl_rr_est_req(PG_ON_CCCH);
+
−        break;
+
−      case PG_TRANSFER:
+
−        if(grr_data->pg.nmo EQ GMMRR_NET_MODE_II)
+
−        {
+
−          TRACE_EVENT(" CS call in GMMRR_NET_MODE_II transfer mode");
+
−          sig_pg_ctrl_rr_est_req(PG_ON_CCCH);
+
−        }
+
−        else
+
−        {
+
−          TRACE_EVENT_P1("CS call in transfer mode NMO_%d", grr_data->pg.nmo+1);
+
−        }
+
−        break;
+
−      default:
+
−        TRACE_ERROR( "SIG_CTRL_PG_RR_EST unexpected" );
+
−        break;
+
−    }
+
−  }
+
−} /* sig_ctrl_pg_indication() */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_gfp_pg_req
+
−+------------------------------------------------------------------------------
+
−| Description : Handles
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_gfp_pg_req ( void )
+
−{ 
+
−  MCAST( d_paging_req, D_PAGING_REQ );
+
−
+
−  UBYTE state = GET_STATE( PG );
+
−
+
−  TRACE_ISIG( "sig_gfp_pg_req" );
+
−
+
−  switch( state )
+
−  {
+
−    case PG_IDLE:
+
−    case PG_TRANSFER:
+
−    case PG_ACCESS:
+
−      pg_process_pp_req( d_paging_req, state );
+
−      break;
+
−    default:
+
−      TRACE_ERROR( "sig_gfp_pg_req: page mode has no meaning in this state" );
+
−      break;
+
−  }
+
−} /* sig_gfp_pg_req() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_gfp_pg_mode
+
−+------------------------------------------------------------------------------
+
−| Description : Handles 
+
−|
+
−| Parameters  : UBYTE page_mode:       requested page mode
+
−|               BOOL  ms_paging_group: paging belongs to MS paging group
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_gfp_pg_mode ( UBYTE page_mode, BOOL ms_paging_group )
+
−{ 
+
−  TRACE_ISIG( "sig_gfp_pg_mode" );
+
−
+
−  if( ms_paging_group )
+
−  {
+
−    switch( GET_STATE( PG ) )
+
−    {
+
−      case PG_IDLE:
+
−        if( page_mode NEQ SAME_PAGING )
+
−        {
+
−          psc_db->network_pg_mode = page_mode;
+
−        }
+
−
+
−        if( grr_is_non_drx_period( ) EQ  FALSE                   AND
+
−            psc_db->last_pg_mode     NEQ psc_db->network_pg_mode     )
+
−        {
+
−          /*
+
−           * To ensure that the paging mode is not set to page normal in other states
+
−           * than packet idle mode, the function grr_is_packet_idle_mode is called in
+
−           * advance.
+
−           *
+
−           * State PG_IDLE not necessarily means that GRR is in packet idle mode. In
+
−           * case GRR is currently executing the RRGRR_STOP_TASK_REQ/CNF procedure,
+
−           * just the services CPAP and TC changes their states. All other services
+
−           * remain in state IDLE, which is not quite correct. A similar scenario
+
−           * occurs during execution of the MPHP_ASSIGNMENT_REQ/CON procedure.
+
−           */
+
−          if( grr_is_packet_idle_mode( ) EQ TRUE )
+
−          {
+
−            pg_send_start( psc_db->network_pg_mode );
+
−          }
+
−          else
+
−          {
+
−            TRACE_EVENT( "sig_gfp_pg_mode: Page mode set by next packet idle mode" );
+
−          }
+
−        }
+
−        break;
+
−
+
−      case PG_ACCESS:
+
−        if( page_mode NEQ SAME_PAGING )
+
−        {
+
−          psc_db->network_pg_mode = page_mode;
+
−        }
+
−        break;
+
−
+
−      default:
+
−
+
−#ifdef _SIMULATION_
+
−
+
−        TRACE_ERROR( "SIG_GFP_PG_MODE unexpected" );
+
−
+
−#endif /* #ifdef _SIMULATION_ */
+
−
+
−        break;
+
−    }
+
−  }
+
−} /* sig_gfp_pg_mode() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_gfp_pg_stop_pccch_con
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_GFP_PG_STOP_PCCCH_CON
+
−|
+
−| Parameters  : mphp_stop_pccch_con: pointer to T_MPHP_STOP_PCCCH_CON
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_gfp_pg_stop_pccch_con ( T_MPHP_STOP_PCCCH_CON *mphp_stop_pccch_con) 
+
−{ 
+
−  TRACE_ISIG( "sig_gfp_pg_stop_pccch_con" );
+
−} /* sig_gfp_pg_stop_pccch_con() */
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : sig_cs_pg_start_t_nc2_ndrx
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the internal signal SIG_CS_PG_START_NC2_NDRX
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void sig_cs_pg_start_t_nc2_ndrx ( UBYTE nc_non_drx_period ) 
+
−{ 
+
−  TRACE_ISIG( "sig_cs_pg_start_t_nc2_ndrx" );
+
−
+
−  pg_start_t_nc2_ndrx( nc_non_drx_period );
+
−
+
−} /* sig_cs_pg_start_t_nc2_ndrx() */