+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  
+
−|  Modul   :  
+
−+----------------------------------------------------------------------------- 
+
−|  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 LLC and implements all 
+
−|             functions to handles the incoming primitives as described in 
+
−|             the SDL-documentation (LLME-statemachine)
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−#ifndef LLC_LLMEP_C
+
−#define LLC_LLMEP_C
+
−#endif
+
−
+
−#define ENTITY_LLC
+
−
+
−/*==== 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 "cnf_llc.h"    /* to get cnf-definitions */
+
−#include "mon_llc.h"    /* to get mon-definitions */
+
−#include "prim.h"       /* to get the definitions of used SAP and directions */
+
−#include "llc.h"        /* to get the global entity definitions */
+
−
+
−#include "llc_f.h"      /* to get global functions, e.g. llc_init_parameters */
+
−#include "llc_llmef.h"  /* to get local LLME functions */
+
−#include "llc_us.h"     /* to get signal interface to U */
+
−#include "llc_itxs.h"   /* to get signal interface to ITX */
+
−#include "llc_irxs.h"   /* to get signal interface to IRX */
+
−#include "llc_uitxs.h"  /* to get signal interface to UITX */
+
−#include "llc_uirxs.h"  /* to get signal interface to UIRX */
+
−#include "llc_t200s.h"  /* to get signal interface to T200 */
+
−#include "llc_txs.h"    /* to get signal interface to TX */
+
−#include "llc_rxs.h"    /* to get signal interface to RX */
+
−
+
−/*==== CONST ================================================================*/
+
−
+
−/*==== LOCAL VARS ===========================================================*/
+
−
+
−/*==== PRIVATE FUNCTIONS ====================================================*/
+
−
+
−/*==== PUBLIC FUNCTIONS =====================================================*/
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : llme_llgmm_assign_req
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the primitive LLGMM_ASSIGN_REQ
+
−|
+
−| Parameters  : *llgmm_assign_req - Ptr to primitive payload
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void llme_llgmm_assign_req ( T_LLGMM_ASSIGN_REQ *llgmm_assign_req )
+
−{
+
−  T_SAPI sapi;
+
−
+
−
+
−  TRACE_FUNCTION( "llme_llgmm_assign_req" );
+
−  
+
−  switch( GET_STATE( LLME ) )
+
−  {
+
−    case LLME_TLLI_UNASSIGNED:
+
−      /*
+
−       * ATTENTION: Every ASSIGN_REQ primitive must contain a valid new_tlli
+
−       * when LLC is unassigned, otherwise it should be a protocol error...?
+
−       * Therefore this check could be omitted.
+
−       */
+
−#ifdef LL_2to1
+
−      if (llgmm_assign_req->new_tlli == PS_TLLI_INVALID)
+
−#else
+
−      if (llgmm_assign_req->new_tlli == LLGMM_TLLI_INVALID)
+
−#endif
+
−      {
+
−        PFREE (llgmm_assign_req);
+
−        TRACE_ERROR ("LLME in state TLLI_UNASSIGNED and new_tlli is invalid!");
+
−      }
+
−      else /* LLGMM_TLLI_VALID */
+
−      {
+
−        TRACE_1_INFO("TLLI 0x%.8X assigned", llgmm_assign_req->new_tlli);
+
−
+
−        llc_data->tlli_new = llgmm_assign_req->new_tlli;
+
−        llc_data->tlli_old = llgmm_assign_req->old_tlli;
+
−
+
−        llme_init_cipher (llgmm_assign_req->llgmm_kc, 
+
−          llgmm_assign_req->ciphering_algorithm);
+
−
+
−        PFREE (llgmm_assign_req);
+
−
+
−        /*
+
−         * Initialises the LLC layer parameters.
+
−         * NOTE: IOV-UI and IOV-I[] are initialised the second time with this
+
−         * function call because they were already set in llme_init_cipher().
+
−         */
+
−        llc_init_parameters();
+
−
+
−        /*
+
−         * Label ASSIGN
+
−         */
+
−
+
−        SET_STATE (LLME, LLME_TLLI_ASSIGNED);
+
−
+
−        /*
+
−         * ATTENTION:
+
−         * The following loop implies that all SAPIs are odd numbers beginning
+
−         * with 1!
+
−         */
+
−#ifdef LL_2to1
+
−        for (sapi = PS_SAPI_1; sapi <= PS_SAPI_11; sapi += 2)
+
−#else
+
−        for (sapi = LL_SAPI_1; sapi <= LL_SAPI_11; sapi += 2)
+
−#endif
+
−        {
+
−          SWITCH_LLC (sapi);
+
−
+
−          sig_llme_u_assign_req();
+
−          sig_llme_uitx_assign_req();
+
−          sig_llme_uirx_assign_req();
+
−          sig_llme_t200_assign_req();
+
−
+
−#ifdef LL_2to1
+
−          if ((sapi != PS_SAPI_1) && (sapi != PS_SAPI_7))
+
−#else
+
−          if ((sapi != LL_SAPI_1) && (sapi != LL_SAPI_7))
+
−#endif
+
−          {
+
−            sig_llme_itx_assign_req();
+
−            sig_llme_irx_assign_req();
+
−          }
+
−        }
+
−
+
−        sig_llme_rx_assign_req();
+
−        sig_llme_tx_assign_req();
+
−
+
−        llc_init_requested_xid();
+
−      }
+
−      break;
+
−
+
−    case LLME_TLLI_ASSIGNED_SUSPENDED:
+
−      /* 
+
−       * No break
+
−       */
+
−    case LLME_TLLI_ASSIGNED:
+
−      llc_data->tlli_new = llgmm_assign_req->new_tlli;
+
−      llc_data->tlli_old = llgmm_assign_req->old_tlli;
+
−
+
−      llme_init_cipher (llgmm_assign_req->llgmm_kc,
+
−                        llgmm_assign_req->ciphering_algorithm);
+
−
+
−#ifdef LL_2to1
+
−      if (llgmm_assign_req->new_tlli EQ PS_TLLI_INVALID)
+
−#else
+
−      if (llgmm_assign_req->new_tlli EQ LLGMM_TLLI_INVALID)
+
−#endif
+
−      {
+
−        TRACE_0_INFO("TLLI unassigned");
+
−
+
−        /*
+
−         * Label UNASSIGN
+
−         */
+
−
+
−        SET_STATE (LLME, LLME_TLLI_UNASSIGNED);
+
−
+
−        /*
+
−         * ATTENTION:
+
−         * The following loop implies that all SAPIs are odd numbers beginning
+
−         * with 1!
+
−         */
+
−#ifdef LL_2to1
+
−        for (sapi = PS_SAPI_1; sapi <= PS_SAPI_11; sapi += 2)
+
−#else
+
−        for (sapi = LL_SAPI_1; sapi <= LL_SAPI_11; sapi += 2)
+
−#endif
+
−        {
+
−          SWITCH_LLC (sapi);
+
−
+
−          sig_llme_u_unassign_req();
+
−          sig_llme_uitx_unassign_req();
+
−          sig_llme_uirx_unassign_req();
+
−          sig_llme_t200_unassign_req();
+
−
+
−          if ((sapi != LL_SAPI_1) && (sapi != LL_SAPI_7))
+
−          {
+
−            sig_llme_itx_unassign_req();
+
−            sig_llme_irx_unassign_req();
+
−          }
+
−        }
+
−
+
−        sig_llme_rx_unassign_req();
+
−        sig_llme_tx_unassign_req();
+
−
+
−        /*
+
−         * Clear suspended mode with unassign.
+
−         */
+
−        llc_data->suspended = FALSE;
+
−
+
−        /*
+
−         * In case we have suspended GRLC we have to resume GRLC to 
+
−         * 'normal operation'
+
−         */
+
−        if (llc_data->grlc_suspended == TRUE)
+
−        {
+
−          /*
+
−           * Resume TX operation and indicate, that GRLC was suspened.
+
−           */
+
−          sig_llme_tx_resume_req (llc_data->grlc_suspended);
+
−
+
−          llc_data->grlc_suspended = FALSE;
+
−
+
−        /*  {
+
−            PALLOC (grr_resume_req, GRR_RESUME_REQ);
+
−            PSEND (hCommGRR, grr_resume_req);
+
−          }*/
+
−        }
+
−
+
−        PFREE (llgmm_assign_req);
+
−      }
+
−      else /* LLGMM_TLLI_VALID */
+
−      {
+
−        TRACE_1_INFO("TLLI 0x%.8X (re-)assigned", llgmm_assign_req->new_tlli);
+
−        PFREE (llgmm_assign_req);
+
−      }
+
−      break;
+
−
+
−    default:
+
−      PFREE (llgmm_assign_req);
+
−      TRACE_ERROR( "LLGMM_ASSIGN_REQ unexpected" );
+
−      break;
+
−  }
+
−
+
−} /* llme_llgmm_assign_req() */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : llme_llgmm_trigger_req
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the primitive LLGMM_TRIGGER_REQ
+
−|
+
−| Parameters  : *llgmm_trigger_req - Ptr to primitive payload
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void llme_llgmm_trigger_req ( T_LLGMM_TRIGGER_REQ *llgmm_trigger_req )
+
−{ 
+
−  TRACE_FUNCTION( "llme_llgmm_trigger_req" );
+
−  
+
−  switch( GET_STATE( LLME ) )
+
−  {
+
−    case LLME_TLLI_ASSIGNED:
+
−      /* No break. */
+
−    case LLME_TLLI_ASSIGNED_SUSPENDED:
+
−      /*
+
−       * Switch LLC to SAPI 1 in case TX forwards the trigger request to UITX.
+
−       */
+
−      SWITCH_LLC (LL_SAPI_1);
+
−
+
−      sig_llme_tx_trigger_req (llgmm_trigger_req->trigger_cause);
+
−
+
−      PFREE (llgmm_trigger_req);
+
−      break;
+
−    default:
+
−      PFREE (llgmm_trigger_req);
+
−      TRACE_ERROR( "LLGMM_TRIGGER_REQ unexpected" );
+
−      break;
+
−  }
+
−
+
−} /* llme_llgmm_trigger_req() */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : llme_llgmm_suspend_req
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the primitive LLGMM_SUSPEND_REQ
+
−|
+
−| Parameters  : *llgmm_suspend_req - Ptr to primitive payload
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void llme_llgmm_suspend_req ( T_LLGMM_SUSPEND_REQ *llgmm_suspend_req )
+
−{ 
+
−  T_SAPI sapi;
+
−
+
−  
+
−  TRACE_FUNCTION( "llme_llgmm_suspend_req" );
+
−
+
−  TRACE_1_PARA("cause:%d", llgmm_suspend_req->susp_cause );
+
−  
+
−  switch( GET_STATE( LLME ) )
+
−  {
+
−    case LLME_TLLI_ASSIGNED:
+
−      TRACE_0_INFO("LLC suspended");
+
−
+
−      /*
+
−       * Set global suspended indicator for the other services.
+
−       */
+
−      llc_data->suspended = TRUE;
+
−
+
−      SET_STATE (LLME, LLME_TLLI_ASSIGNED_SUSPENDED);
+
−
+
−      /*
+
−       * ATTENTION:
+
−       * The following loop implies that all the relevant SAPIs are the odd 
+
−       * numbers from 3 to 11 (except 7)
+
−       */
+
−      for (sapi = LL_SAPI_3; sapi <= LL_SAPI_11; sapi += 2)
+
−      {
+
−        SWITCH_LLC (sapi);
+
−
+
−        if (sapi != LL_SAPI_7)
+
−        {
+
−          sig_llme_itx_suspend_req();
+
−        }
+
−      }
+
−
+
−      /*
+
−       * No break!
+
−       */
+
−    case LLME_TLLI_ASSIGNED_SUSPENDED:
+
−      /*
+
−       * In case of RAU suspend GRLC if not already done
+
−       */
+
−      if ( (llc_data->grlc_suspended == FALSE)           AND 
+
−           (llgmm_suspend_req->susp_cause == LLGMM_RAU)   )
+
−      {
+
−        sig_llme_tx_suspend_req ();
+
−
+
−        llc_data->grlc_suspended = TRUE;
+
−
+
−        {
+
−          PALLOC (grlc_activate_gmm_queue_req, GRLC_ACTIVATE_GMM_QUEUE_REQ);
+
−          PSEND (hCommGRLC, grlc_activate_gmm_queue_req);
+
−        }
+
−      }
+
−
+
−      break;
+
−  
+
−    default:
+
−      TRACE_ERROR( "LLGMM_SUSPEND_REQ unexpected" );
+
−      break;
+
−  
+
−  }
+
−  if ( (llgmm_suspend_req->susp_cause == LLGMM_LIMITED) OR
+
−           (llgmm_suspend_req->susp_cause == LLGMM_NO_GPRS_SERVICE))
+
−      /* init current values */
+
−#ifdef REL99
+
−      llc_data->cur_pfi          = LL_PFI_SIGNALING; 
+
−#endif
+
−      llc_data->cur_qos.delay    = LL_DELAY_SUB;
+
−      llc_data->cur_qos.relclass = LL_NO_REL;
+
−      llc_data->cur_qos.peak     = LL_PEAK_SUB;
+
−      llc_data->cur_qos.preced   = LL_PRECED_SUB;
+
−      llc_data->cur_qos.mean     = LL_MEAN_SUB;
+
−      llc_data->cur_radio_prio   = LL_RADIO_PRIO_1;  
+
−  PFREE (llgmm_suspend_req);
+
−
+
−} /* llme_llgmm_suspend_req() */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : llme_llgmm_resume_req
+
−+------------------------------------------------------------------------------
+
−| Description : Handles the primitive LLGMM_RESUME_REQ
+
−|
+
−| Parameters  : *llgmm_resume_req - Ptr to primitive payload
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void llme_llgmm_resume_req ( T_LLGMM_RESUME_REQ *llgmm_resume_req )
+
−{ 
+
−  T_SAPI sapi;
+
−
+
−  
+
−  TRACE_FUNCTION( "llme_llgmm_resume_req" );
+
−  
+
−  switch( GET_STATE( LLME ) )
+
−  {
+
−    case LLME_TLLI_ASSIGNED_SUSPENDED:
+
−      TRACE_0_INFO("LLC resumed");
+
−
+
−      /*
+
−       * Clear global suspended indicator for the other services.
+
−       */
+
−      llc_data->suspended = FALSE;
+
−
+
−      SET_STATE (LLME, LLME_TLLI_ASSIGNED);
+
−
+
−      /*
+
−       * FIRST! indicate to TX that we resume normal operation and 
+
−       * that LLC/GRLC flow control should be reseted in case GRLC was 
+
−       * suspened.
+
−       */
+
−      sig_llme_tx_resume_req (llc_data->grlc_suspended);
+
−
+
−      /*
+
−       * Reset GRLC, if suspended, to 'normal operation'
+
−       */
+
−      if (llc_data->grlc_suspended == TRUE)
+
−      {
+
−       /* PALLOC (grr_resume_req, GRR_RESUME_REQ);
+
−        PSEND (hCommGRR, grr_resume_req);*/
+
−
+
−        llc_data->grlc_suspended = FALSE;
+
−      }
+
−
+
−      /*
+
−       * ATTENTION:
+
−       * The following loop implies that all the relevant SAPIs are the odd 
+
−       * numbers from 3 to 11 (except 7)
+
−       */
+
−      for (sapi = LL_SAPI_3; sapi <= LL_SAPI_11; sapi += 2)
+
−      {
+
−        SWITCH_LLC (sapi);
+
−
+
−        if (sapi != LL_SAPI_7)
+
−        {
+
−          sig_llme_itx_resume_req();
+
−        }
+
−      }
+
−      break;
+
−  
+
−    default:
+
−      TRACE_ERROR( "LLGMM_RESUME_REQ unexpected" );
+
−      break;
+
−  }
+
−
+
−  PFREE (llgmm_resume_req);
+
−
+
−} /* llme_llgmm_resume_req() */
+
−