--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/grlc/grlc_gffs.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,244 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GPRS (8441)
+|  Modul   :  GRLC
++----------------------------------------------------------------------------- 
+|  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
+|             GFF of entity GRLC.
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef GRLC_GFFS_C
+#define GRLC_GFFS_C
+#endif
+
+#define ENTITY_GRLC
+
+/*==== 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 "prim.h"       /* to get the definitions of used SAP and directions */
+#include "message.h"
+#include "grlc.h"        /* to get the global entity definitions */
+#include "grlc_gfff.h"
+
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+
+#if defined REL99 AND defined TI_PS_FF_TBF_EST_PACCH
+/*
++------------------------------------------------------------------------------
+| Function    : sig_tm_gff_ul_activate
++------------------------------------------------------------------------------
+| Description : Handles the internal signal SIG_TM_GFF_UL_ACTIVATE
+|
+| Parameters  : activate_cause - added for 2 Phase Access support
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_tm_gff_ul_activate ( UBYTE activate_cause) 
+{ 
+  TRACE_ISIG( "sig_tm_gff_ul_activate" );
+  
+  switch( GET_STATE( GFF ) )
+  {
+    case GFF_TWO_PHASE:
+      if (activate_cause EQ GFF_ACTIVE)
+      {
+        SET_STATE(GFF,GFF_ACTIVE);
+      }
+      break; 
+    case GFF_ACTIVE:
+      if ( (activate_cause EQ GFF_ACTIVE )  AND
+           (grlc_data->gff.rlc_status EQ RLC_STATUS_DL ))
+      {
+        grlc_data->gff.rlc_status = RLC_STATUS_BOTH;
+      }
+      break;
+    case GFF_DEACTIVE:
+      if (activate_cause EQ GFF_TWO_PHASE)
+      {
+        SET_STATE(GFF,GFF_TWO_PHASE);
+      }
+      else
+      if(activate_cause EQ GFF_ACTIVE )
+      {
+        SET_STATE(GFF,GFF_ACTIVE);
+      }
+      gff_tbf_init();
+      grlc_data->gff.rlc_status = RLC_STATUS_UL;
+      break;
+    default:
+      TRACE_ERROR( "SIG_TM_GFF_UL_ACTIVATE unexpected" );
+      break;
+  }
+} /* sig_tm_gff_ul_activate() */
+#else
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_tm_gff_ul_activate
++------------------------------------------------------------------------------
+| Description : Handles the internal signal SIG_TM_GFF_UL_ACTIVATE
+|
+| Parameters  : dummy - description of parameter dummy
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_tm_gff_ul_activate ( void) 
+{ 
+  TRACE_ISIG( "sig_tm_gff_ul_activate" );
+  
+  switch( GET_STATE( GFF ) )
+  {
+    case GFF_ACTIVE:
+    case GFF_DEACTIVE:
+      if(grlc_data->gff.rlc_status EQ RLC_STATUS_DL )
+      {
+        grlc_data->gff.rlc_status = RLC_STATUS_BOTH;
+      }
+      else if(grlc_data->gff.rlc_status EQ RLC_STATUS_NULL )
+      {
+        SET_STATE(GFF,GFF_ACTIVE);
+        gff_tbf_init();
+        grlc_data->gff.rlc_status = RLC_STATUS_UL;
+      }
+      break;
+    default:
+      TRACE_ERROR( "SIG_TM_GFF_UL_ACTIVATE unexpected" );
+      break;
+  }
+} /* sig_tm_gff_ul_activate() */
+#endif
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_tm_gff_ul_deactivate
++------------------------------------------------------------------------------
+| Description : Handles the internal signal SIG_TM_GFF_UL_DEACTIVATE
+|
+| Parameters  : dummy - description of parameter dummy
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_tm_gff_ul_deactivate ( void) 
+{ 
+  TRACE_ISIG( "sig_tm_gff_ul_deactivate" );
+
+  grlc_data->ul_tfi         = 0xFF;  
+  
+  switch( GET_STATE( GFF ) )
+  {
+#if defined REL99 AND defined TI_PS_FF_TBF_EST_PACCH
+    case GFF_TWO_PHASE:
+#endif
+    case GFF_ACTIVE:
+      if(grlc_data->gff.rlc_status EQ RLC_STATUS_BOTH )
+        grlc_data->gff.rlc_status = RLC_STATUS_DL;
+      else
+      {
+        grlc_data->gff.rlc_status = RLC_STATUS_NULL;
+        SET_STATE(GFF,GFF_DEACTIVE);    
+      }
+      break;
+    default:
+      TRACE_ERROR( "SIG_TM_GFF_UL_DEACTIVATE unexpected" );
+      break;
+  }
+} /* sig_tm_gff_ul_deactivate() */
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_tm_gff_dl_activate
++------------------------------------------------------------------------------
+| Description : Handles the internal signal SIG_TM_GFF_DL_ACTIVATE
+|
+| Parameters  : dummy - description of parameter dummy
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_tm_gff_dl_activate ( void) 
+{ 
+  TRACE_ISIG( "sig_tm_gff_dl_activate" );
+  
+  switch( GET_STATE( GFF ) )
+  {
+    case GFF_ACTIVE:
+    case GFF_DEACTIVE:
+      if(grlc_data->gff.rlc_status EQ RLC_STATUS_UL )
+        grlc_data->gff.rlc_status = RLC_STATUS_BOTH;
+      else if(grlc_data->gff.rlc_status EQ RLC_STATUS_NULL )
+      {
+        SET_STATE(GFF,GFF_ACTIVE);
+        gff_tbf_init();
+        grlc_data->gff.rlc_status = RLC_STATUS_DL;
+      }
+      break;
+    default:
+      TRACE_ERROR( "SIG_TM_GFF_DL_ACTIVATE unexpected" );
+      break;
+  }
+} /* sig_tm_gff_dl_activate() */
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_tm_gff_dl_deactivate
++------------------------------------------------------------------------------
+| Description : Handles the internal signal SIG_TM_GFF_DL_DEACTIVATE
+|
+| Parameters  : dummy - description of parameter dummy
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_tm_gff_dl_deactivate ( void) 
+{ 
+  TRACE_ISIG( "sig_tm_gff_dl_deactivate" );
+
+  grlc_data->dl_tfi         = 0xFF;
+
+  switch( GET_STATE( GFF ) )
+  {
+    case GFF_ACTIVE:
+      if(grlc_data->gff.rlc_status EQ RLC_STATUS_BOTH )
+        grlc_data->gff.rlc_status = RLC_STATUS_UL;
+      else
+      {
+        grlc_data->gff.rlc_status = RLC_STATUS_NULL;
+        SET_STATE(GFF,GFF_DEACTIVE);    
+      }
+      break;
+    default:
+      TRACE_ERROR( "SIG_TM_GFF_DL_DEACTIVATE unexpected" );
+      break;
+  }
+} /* sig_tm_gff_dl_deactivate() */
+
+