--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-aci/aci/gaci.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,1078 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  
+|  Modul   :  J:\g23m-aci\aci\gaci.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 :  
++----------------------------------------------------------------------------- 
+*/ 
+#if defined (GPRS) && defined (DTI)
+
+#ifndef GACI_C
+#define GACI_C
+#endif
+
+#include "aci_all.h"
+/*==== INCLUDES ===================================================*/
+#include "dti.h"      /* functionality of the dti library */
+#include "aci_cmh.h"
+#include "ati_cmd.h"
+#include "aci_cmd.h"
+
+#include "dti_conn_mng.h"
+
+#include "gaci.h"
+#include "gaci_cmh.h"
+#include "psa.h"
+#include "psa_sm.h"
+#include "psa_gppp.h"
+#include "psa_gmm.h"
+
+#include "cmh.h"
+#ifdef SIM_TOOLKIT
+#include "psa_cc.h"
+#include "psa_sat.h"
+#include "cmh_sat.h"
+#endif /* SIM_TOOLKIT */
+#include "cmh_sm.h"
+#include "cmh_gppp.h"
+#include "cmh_gmm.h"
+#include "gaci_srcc.h"
+
+#include "aci_mem.h"
+
+/*==== CONSTANTS ==================================================*/
+static T_ACI_CMD_SRC _ATZ_srcId;
+
+#ifdef FF_SAT_E
+static USHORT SAT_error_cause = SAT_GPRS_INV_CAUSE;
+#endif /* FF_SAT_E */
+
+/*==== EXPORT =====================================================*/
+GLOBAL T_ACI_CMD_SRC cmhSM_getSrcIdOfRunningCGACTDeactivation(U8 cid);
+
+/*==== VARIABLES ==================================================*/
+T_PDP_CONTEXT_INTERNAL *p_pdp_context_list;
+
+
+/*==== PROTOTYPES =================================================*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_create_node( U8 cid );
+GLOBAL int                     pdp_context_remove_node( U8 cid );
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_node_from_cid( U8 cid );
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_node_from_dti_id( U8 dti_id );
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_last_node   ( void );
+#ifdef REL99
+GLOBAL T_TFT_INTERNAL         *pdp_context_add_tft_pf       ( U8 cid, U8 tft_pf_id );
+GLOBAL BOOL                    pdp_context_del_tft_pf       ( U8 cid, U8 tft_pf_id );
+GLOBAL T_TFT_INTERNAL         *pdp_context_find_tft_pf      ( U8 cid, U8 tft_pf_id );
+GLOBAL U8                      pdp_context_get_no_of_tft_pfs( U8 cid );
+GLOBAL void                    pdp_context_clear_tft_active_list( U8 cid );
+//GLOBAL T_TFT_MODIFICATION      pdp_context_compare_tft      ( U8 cid );
+//GLOBAL T_TFT_MODIFICATION      pdp_context_get_modification_action( U8 cid );
+#endif /* REL99 */
+GLOBAL U8                      pdp_context_check_if_nodes_exists( U8 *cid_array );
+GLOBAL U8                      pdp_context_validate_pdp_type    ( U8 *cid_array, T_PDP_TYPE pdp_type );
+/*=================================================================*/
+
+
+
+/*
++----------------------------------------------------------------------+
+| PROJECT :                       MODULE  : gaci                       |
+|                                 ROUTINE :                            |
++----------------------------------------------------------------------+
+
+  PURPOSE :
+*/
+
+GLOBAL void gaci_init ( void )
+{
+  /* Init of intern variable */
+  _ATZ_srcId = CMD_SRC_NONE;
+
+  /* GPRS Init */
+  gpppEntStat.curCmd = AT_CMD_NONE;
+  gpppEntStat.entOwn = CMD_SRC_NONE;
+
+  cmhGMM_Init();
+  cmhSM_Init();
+
+  srcc_init();
+
+  gaci_reset();
+}
+
+GLOBAL void gaci_reset( void )
+{
+  cmhSM_Reset();
+}
+
+GLOBAL void gaci_ATZ_reset( void )
+{
+  cmhSM_ResetNonWorkingContexts();
+}
+
+GLOBAL void gaci_finit ( void )
+{
+  /* here will be a functionality */
+}
+
+EXTERN T_ACI_RETURN sGsmAT_Z ( T_ACI_CMD_SRC srcId );
+
+GLOBAL T_ACI_RETURN sGprsAT_Z ( T_ACI_CMD_SRC srcId )
+{
+  SHORT cid_array[1] = { PDP_CONTEXT_CID_INVALID };
+
+ /*
+  *-------------------------------------------------------------------
+  *   rejects waiting network requests for PDP context activation
+  *-------------------------------------------------------------------
+  */
+  if ( ( at.rngPrms.isRng EQ TRUE ) AND ( at.rngPrms.mode EQ CRING_MOD_Gprs) ) /* GPRS call */
+  {
+   /*
+    *   brz patch: In the case of context reactivation over SMREG_PDP_ACTIVATE_IND with an used ti
+    *              the GPRS ATZ command doesn't do anything!
+    *
+    *   Why?       Because the Windows Dial-Up Networking client send every time an ATZ after termination
+    *              of the connection and with this a context reactivation was impossible. 
+    */
+    if ( gprs_call_table[current_gprs_ct_index].reactivation EQ GCTT_NORMAL )
+    {
+      sAT_PlusCGANS(srcId, CGANS_RESPONSE_REJECT, NULL, PDP_CONTEXT_CID_OMITTED );
+    }
+    else
+    { /* Reactivation: stop GPRS ATZ */
+      return sGsmAT_Z ( srcId );
+    }
+  }
+  if ( AT_EXCT EQ sAT_PlusCGACT ( srcId, CGACT_STATE_DEACTIVATED, cid_array ))
+  {
+    _ATZ_srcId = srcId;    /* hold source Id */
+    return( AT_EXCT );
+  }
+  
+  srcId_cb = srcId;
+  gaci_ATZ_reset();
+  return sGsmAT_Z ( srcId );
+}
+
+LOCAL void endOfGprsAT_Z ( void )
+{
+  srcId_cb = _ATZ_srcId;
+  gaci_ATZ_reset();
+  if ( AT_CMPL EQ sGsmAT_Z ( _ATZ_srcId ) )
+  {
+    R_AT( RAT_OK, _ATZ_srcId ) ( AT_CMD_Z );
+
+    /* log result */
+    cmh_logRslt ( _ATZ_srcId,
+                  RAT_OK, AT_CMD_Z, -1, BS_SPEED_NotPresent, CME_ERR_NotPresent );
+  }
+
+  _ATZ_srcId = CMD_SRC_NONE;
+}
+
+GLOBAL BOOL gaci_isATZcmd ( void )
+{
+  if ( _ATZ_srcId NEQ CMD_SRC_NONE )
+  {
+    endOfGprsAT_Z();
+    return TRUE;
+  }
+  
+  return FALSE;
+}
+
+/*
++----------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                       |
+|                                 ROUTINE : gaci_get_cid_over_dti_id   |
++----------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL SHORT gaci_get_cid_over_dti_id( UBYTE dti_id )
+{
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+ 
+  p_pdp_context_node = p_pdp_context_list;
+  while( p_pdp_context_node )
+  {
+  	/* Check for the link_id_new also because it will be filled for TCPIP call */
+    if ( dti_id EQ EXTRACT_DTI_ID(p_pdp_context_node->internal_data.link_id) OR
+         dti_id EQ EXTRACT_DTI_ID(p_pdp_context_node->internal_data.link_id_uart) OR
+         dti_id EQ EXTRACT_DTI_ID(p_pdp_context_node->internal_data.link_id_new))
+
+      return p_pdp_context_node->cid;
+
+    p_pdp_context_node = p_pdp_context_node->p_next;
+  }
+
+  return PDP_CONTEXT_CID_INVALID;
+}
+
+
+GLOBAL SHORT gaci_get_cid_over_link_id ( T_DTI_CONN_LINK_ID  link_id )
+{
+  return gaci_get_cid_over_dti_id((UBYTE)EXTRACT_DTI_ID(link_id));
+}
+
+
+
+/*
++----------------------------------------------------------------------+
+| PROJECT : -                     MODULE  : gaci                       |
+|                                 ROUTINE : gaci_get_link_id_over_peer |
++----------------------------------------------------------------------+
+
+  PURPOSE : */
+
+/*
+ *  Assumption: there is only one connection between UPM and the peer
+ */
+GLOBAL T_DTI_CONN_LINK_ID gaci_get_link_id_over_peer ( T_DTI_ENTITY_ID entity_id )
+{
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+
+  p_pdp_context_node = p_pdp_context_list;
+
+  while( p_pdp_context_node )
+  {
+    if( p_pdp_context_node->internal_data.entity_id EQ entity_id AND
+        p_pdp_context_node->internal_data.link_id NEQ DTI_LINK_ID_NOTPRESENT ) 
+    {
+      return p_pdp_context_node->internal_data.link_id;
+    }
+  
+    p_pdp_context_node = p_pdp_context_node->p_next;
+  }
+  return DTI_LINK_ID_NOTPRESENT;
+}
+
+
+
+#ifdef FF_SAT_E
+GLOBAL void gaci_SAT_err(USHORT cause)
+{
+  SAT_error_cause = cause;
+}
+#endif /* FF_SAT_E */
+
+GLOBAL void gaci_RAT_caller ( SHORT rat_id, SHORT cid, UBYTE cmdBuf, UBYTE cme_err )
+{
+  T_ACI_CMD_SRC  rat_owner = (T_ACI_CMD_SRC)get_owner_over_cid( (U8)cid );
+
+  TRACE_FUNCTION("gaci_RAT_caller()");
+
+#ifdef FF_SAT_E
+  if ( !cmhSAT_OpChnGPRSPend( cid, OPCH_NONE ))
+#endif /* FF_SAT_E */
+  {
+    switch ( rat_id )
+    {
+      case RAT_OK:
+        R_AT( RAT_OK, rat_owner ) ( cmdBuf );
+        break;
+      case RAT_CME:
+        ACI_ERR_DESC( ACI_ERR_CLASS_Cme, cme_err );     /* align aciErrDesc to cme_err */
+        R_AT( RAT_CME, rat_owner ) ( cmdBuf, cme_err );
+        /* log result */
+        cmh_logRslt ( (T_ACI_CMD_SRC) rat_owner, RAT_CME, (T_ACI_AT_CMD) cmdBuf, 
+                                     -1, BS_SPEED_NotPresent, (T_ACI_CME_ERR)cme_err );
+        break;
+      case RAT_NO_CARRIER:
+        if (!(cmhSM_getSrcIdOfRunningCGACTDeactivation((U8)cid) EQ rat_owner))
+        {
+          R_AT( RAT_NO_CARRIER, rat_owner ) ( cmdBuf, 0 );
+        }
+        /* log result */
+        cmh_logRslt ( (T_ACI_CMD_SRC) rat_owner, RAT_NO_CARRIER, (T_ACI_AT_CMD)cmdBuf, 
+                                            (SHORT) 0, BS_SPEED_NotPresent,CME_ERR_NotPresent );
+        break;
+    }
+  }
+#ifdef FF_SAT_E
+  else
+  {
+    /*
+     *    SIM callback for SAT-class CE 
+     */
+    switch ( rat_id )
+    {
+      case RAT_OK:
+        /* connection deactivated */
+        cmhSAT_OpChnGPRSStat(SAT_GPRS_ACT, SAT_GPRS_INV_CAUSE); /* no cause given by primitive */
+        break;
+      case RAT_CME:
+        if ( cmdBuf EQ AT_CMD_CGDATA )
+        { /* 
+           * Attach before ATD (UPM <-> IP <-> UDP <-> SIM) fails 
+           */
+          cmhSAT_OpChnGPRSStat(SAT_GPRS_ATT_FAILED, (UBYTE)SAT_error_cause);  
+        }
+        else
+        { /* activate connection UPM <-> SIM fails */
+          cmhSAT_OpChnGPRSStat(SAT_GPRS_ACT_FAILED, (UBYTE)SAT_error_cause);  
+        }
+        break;
+      case RAT_NO_CARRIER:
+          /* activate connection UPM <-> IP <-> UDP <-> SIM fails */
+          cmhSAT_OpChnGPRSStat(SAT_GPRS_ACT_FAILED, (UBYTE)SAT_error_cause);
+        break;
+    }
+  }
+#endif /* FF_SAT_E */
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_create_node          |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_create_node( U8 cid )
+{
+  T_PDP_CONTEXT_INTERNAL *p_new_pdp_context_node  = NULL;
+  T_PDP_CONTEXT_INTERNAL *p_last_pdp_context_node = NULL;
+
+  TRACE_FUNCTION("pdp_context_create_node()");
+  
+  if( !pdp_context_find_node_from_cid( cid ) )
+  {
+    /* No PDP context exist with same <cid> */
+    p_last_pdp_context_node = pdp_context_find_last_node();
+
+    if( p_last_pdp_context_node )
+    {
+      ACI_MALLOC( p_new_pdp_context_node, sizeof(T_PDP_CONTEXT_INTERNAL) );
+
+      if( p_new_pdp_context_node )  
+      {
+        memset(p_new_pdp_context_node, 0x00, sizeof(T_PDP_CONTEXT_INTERNAL) );
+        
+        p_new_pdp_context_node->cid         = cid;
+        p_new_pdp_context_node->p_next      = NULL;
+        p_new_pdp_context_node->tft_changed = FALSE;
+
+        /* As alborg code doesn't work on SN_SWITCH_REQ, they don't set the 
+           values of link_id to 0xFF. But this is required in Berlin code.
+         */
+
+        p_new_pdp_context_node->internal_data.link_id      = DTI_LINK_ID_NOTPRESENT;
+        /*p_new_pdp_context_node->internal_data.link_id_new  = DTI_LINK_ID_NOTPRESENT;*/
+        p_new_pdp_context_node->internal_data.link_id_uart = DTI_LINK_ID_NOTPRESENT;
+
+        if( p_last_pdp_context_node EQ (T_PDP_CONTEXT_INTERNAL*) &p_pdp_context_list )
+          p_pdp_context_list = p_new_pdp_context_node;
+        else
+          p_last_pdp_context_node->p_next = p_new_pdp_context_node;
+
+      }
+    }  
+  }
+  
+  return p_new_pdp_context_node;
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_remove_node          |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL int pdp_context_remove_node( U8 cid )
+{
+  SHORT result = 0;
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node     = NULL;
+  T_PDP_CONTEXT_INTERNAL *p_old_pdp_context_node = NULL;
+
+  if( p_pdp_context_list )
+  {
+    if( p_pdp_context_list->cid NEQ cid )
+    {
+      p_pdp_context_node = p_pdp_context_list;
+  
+      /* find PDP context node for given <cid> */
+
+      while( p_pdp_context_node->p_next AND p_pdp_context_node->p_next->cid NEQ cid )
+      {
+         p_pdp_context_node = p_pdp_context_node->p_next;
+      }
+
+      if( p_pdp_context_node->p_next->cid EQ cid )
+      {
+        p_old_pdp_context_node = p_pdp_context_node->p_next;
+        p_pdp_context_node->p_next = p_pdp_context_node->p_next->p_next;
+        ACI_MFREE( p_old_pdp_context_node );
+        result = cid;
+      }
+    }
+    else
+    {
+      p_old_pdp_context_node = p_pdp_context_list;
+      
+      if( p_pdp_context_list->p_next )
+      {
+
+        p_pdp_context_list = p_pdp_context_list->p_next;
+      }
+      else
+      {
+        p_pdp_context_list = NULL;
+      }
+      
+      ACI_MFREE( p_old_pdp_context_node );
+    }
+    result = cid;
+  }
+  
+  return result;
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_find_node_from_cid   |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_node_from_cid( U8 cid )
+{
+
+  T_PDP_CONTEXT_INTERNAL *p_found_pdp_context_node = NULL;
+  T_PDP_CONTEXT_INTERNAL *p_temp_pdp_context_node  = NULL;
+
+  TRACE_EVENT("pdp_context_find_node_from_cid()");
+  if( p_pdp_context_list )
+  {
+    if( p_pdp_context_list->cid EQ cid )
+    {
+      p_found_pdp_context_node = p_pdp_context_list;
+    }
+    else
+    {
+      p_temp_pdp_context_node = p_pdp_context_list->p_next;
+      
+      while( p_temp_pdp_context_node AND !p_found_pdp_context_node )
+      {
+        if( p_temp_pdp_context_node->cid EQ cid )
+          p_found_pdp_context_node = p_temp_pdp_context_node;
+        else
+          p_temp_pdp_context_node = p_temp_pdp_context_node->p_next;
+      }
+    }
+  }
+  
+  return p_found_pdp_context_node;
+
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                MODULE  : gaci                               |
+|                               ROUTINE : pdp_context_find_node_from_dti_id  |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_node_from_dti_id( U8 dti_id )
+{
+  T_PDP_CONTEXT_INTERNAL *p_found_pdp_context_node  = NULL;
+
+  p_found_pdp_context_node = p_pdp_context_list;
+    
+  while (p_found_pdp_context_node)
+  {
+    if( ( EXTRACT_DTI_ID(p_found_pdp_context_node->internal_data.link_id) EQ dti_id ) OR
+        ( EXTRACT_DTI_ID(p_found_pdp_context_node->internal_data.link_id_uart) EQ dti_id ) )
+    {
+      return (p_found_pdp_context_node);
+    }
+    p_found_pdp_context_node = p_found_pdp_context_node->p_next;
+  }
+  
+  return NULL;
+}
+
+
+/*
++-------------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                                |
+|                                 ROUTINE : pdp_context_find_node_from_smreg_ti |
++-------------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_node_from_smreg_ti( U8 smreg_ti )
+{
+  T_PDP_CONTEXT_INTERNAL *p_found_pdp_context_node  = NULL;
+  T_PDP_CONTEXT_INTERNAL *p_temp_pdp_context_node   = NULL;
+
+  if( p_pdp_context_list )
+  {
+    if( p_pdp_context_list->internal_data.smreg_ti EQ smreg_ti )
+    {
+      p_found_pdp_context_node = p_pdp_context_list;
+    }
+    else
+    {
+      p_temp_pdp_context_node = p_pdp_context_list->p_next;
+      
+      while( p_temp_pdp_context_node AND !p_found_pdp_context_node )
+      {
+        if( p_temp_pdp_context_node->internal_data.smreg_ti EQ smreg_ti )
+          p_found_pdp_context_node = p_temp_pdp_context_node;
+        else
+          p_temp_pdp_context_node = p_temp_pdp_context_node->p_next;
+      }
+    }
+  }
+  
+  return p_found_pdp_context_node;
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_find_last_node       |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_last_node( void )
+{
+
+  T_PDP_CONTEXT_INTERNAL *p_last_pdp_context_node = NULL;
+
+  if( p_pdp_context_list )
+  {
+    if( !p_pdp_context_list->p_next )
+    {
+      p_last_pdp_context_node = p_pdp_context_list;
+    }
+    else
+    {
+      p_last_pdp_context_node = p_pdp_context_list;
+
+      while( p_last_pdp_context_node->p_next )
+      {
+         p_last_pdp_context_node = p_last_pdp_context_node->p_next;
+         
+         if( !p_last_pdp_context_node )
+           break;
+      }
+    }
+  }
+  else
+  {
+    p_last_pdp_context_node = (T_PDP_CONTEXT_INTERNAL*) &p_pdp_context_list;
+  }
+  
+  return p_last_pdp_context_node;
+
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_find_matching_node   |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_PDP_CONTEXT_INTERNAL *pdp_context_find_matching_node( T_SMREG_VAL_pdp_type smreg_pdp_type, T_NAS_ctrl_ip_address ctrl_ip_addr, T_NAS_ip_address *ip_addr )
+{
+
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  T_PDP_TYPE             pdp_type;
+  BOOL                   match = FALSE;
+
+
+  switch( smreg_pdp_type )
+  {
+    case SMREG_PDP_PPP:
+      strcpy( pdp_type, "PPP");
+      break;
+    
+    case SMREG_PDP_IPV4:
+      strcpy( pdp_type, "IP");
+      break;
+        
+    case SMREG_PDP_IPV6:
+      strcpy( pdp_type, "IPV6");
+      break;
+      
+    default:
+      return NULL;
+  }
+
+  p_pdp_context_node = p_pdp_context_list;
+
+  while( p_pdp_context_node AND match EQ FALSE)
+  {
+    if( !strcmp(p_pdp_context_node->attributes.pdp_type, pdp_type) )
+    {
+      if( p_pdp_context_node->attributes.pdp_addr.ctrl_ip_address EQ ctrl_ip_addr )
+      {
+        switch( ctrl_ip_addr )
+        {
+          case NAS_is_ipv4:
+          {
+            if( !memcmp( &ip_addr->ipv4_addr,
+                         &p_pdp_context_node->attributes.pdp_addr.ip_address.ipv4_addr,
+                         NAS_SIZE_IPv4_ADDR ) )
+                        
+            {
+              match = TRUE;
+            }
+            break;
+          }
+
+          case NAS_is_ipv6:
+          {
+            if( !memcmp( &ip_addr->ipv6_addr,
+                         &p_pdp_context_node->attributes.pdp_addr.ip_address.ipv6_addr,
+                         NAS_SIZE_IPv6_ADDR ) )
+                      
+            {
+              match = TRUE;
+            }
+            break;
+          }
+        }
+                        
+      }
+
+    }
+    
+    if( match EQ TRUE )
+    {
+      break;
+    }
+    else
+    {
+      p_pdp_context_node = p_pdp_context_node->p_next;
+    }
+    
+  }
+  
+  return p_pdp_context_node;
+
+}
+
+
+
+GLOBAL U8 pdp_context_get_free_cid( void )
+{
+#if (PDP_CONTEXT_CID_MAX > 15)
+  #error "Size of used_cid_list must be changed to fit the value of PDP_CONTEXT_CID_MAX"
+#else
+  U16                     used_cid_list      = 0;
+#endif
+
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  U8                      free_cid           = 0;
+
+  p_pdp_context_node = p_pdp_context_list;
+
+  while( p_pdp_context_node )
+  {
+    used_cid_list |= ( 0x0001 << (p_pdp_context_node->cid - 1) );
+    p_pdp_context_node = p_pdp_context_node->p_next;
+  }
+
+  while( ( 0x0001 & (used_cid_list >> free_cid)) AND free_cid <= PDP_CONTEXT_CID_MAX )
+  {
+    free_cid++;
+  }
+  
+  free_cid++;
+ 
+  if( free_cid > PDP_CONTEXT_CID_MAX )
+    free_cid = PDP_CONTEXT_CID_INVALID;
+
+  return free_cid;
+}
+
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_add_pf               |
++----------------------------------------------------------------------------+
+
+  PURPOSE :
+
+*/
+GLOBAL T_TFT_INTERNAL *pdp_context_add_tft_pf( U8 cid, U8 tft_pf_id )
+{
+  T_TFT_INTERNAL *p_tft_pf_node_tmp_1 = NULL; /* TFT_PF_NODE  n - 1    */
+  T_TFT_INTERNAL *p_tft_pf_node_tmp_0 = NULL; /* TFT_PF_NODE  n        */
+
+  T_TFT_INTERNAL *p_tft_pf_node_new   = NULL; /* TFT_PF_NODE  new      */  
+
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+ 
+  p_pdp_context_node = pdp_context_find_node_from_cid( cid );
+    
+  if( p_pdp_context_node )
+  {
+    p_tft_pf_node_new = pdp_context_find_tft_pf( cid, tft_pf_id );
+
+    if( ! p_tft_pf_node_new )
+    {
+      ACI_MALLOC( p_tft_pf_node_new, sizeof(T_TFT_INTERNAL));
+      if( p_tft_pf_node_new )
+      {
+        p_tft_pf_node_new->pf_attributes.tft_pf_id = tft_pf_id;
+        p_tft_pf_node_new->p_next                  = NULL;
+
+
+        if( p_pdp_context_node->p_tft_pf )
+        {
+          if( p_pdp_context_node->p_tft_pf->pf_attributes.tft_pf_id > tft_pf_id )
+          {
+            p_tft_pf_node_new->p_next    = p_pdp_context_node->p_tft_pf;
+            p_pdp_context_node->p_tft_pf = p_tft_pf_node_new;
+          }
+          else
+          {
+            if( p_pdp_context_node->p_tft_pf->p_next )
+            {
+              p_tft_pf_node_tmp_1 = p_pdp_context_node->p_tft_pf;
+              p_tft_pf_node_tmp_0 = p_pdp_context_node->p_tft_pf->p_next;
+
+              while( p_tft_pf_node_tmp_0 )
+              {
+                if( p_tft_pf_node_tmp_0->pf_attributes.tft_pf_id > tft_pf_id )
+                {
+                  p_tft_pf_node_new->p_next   = p_tft_pf_node_tmp_0;
+                  p_tft_pf_node_tmp_1->p_next = p_tft_pf_node_new;
+                  break;
+                }
+                else
+                {
+                  p_tft_pf_node_tmp_1 = p_tft_pf_node_tmp_0;
+                  p_tft_pf_node_tmp_0 = p_tft_pf_node_tmp_0->p_next;
+                }
+              }
+              p_tft_pf_node_tmp_1->p_next = p_tft_pf_node_new;
+            }
+            else
+            {
+              p_pdp_context_node->p_tft_pf->p_next = p_tft_pf_node_new;
+            }
+          }
+        }
+        else
+        {
+          p_pdp_context_node->p_tft_pf = p_tft_pf_node_new;
+        }
+      }
+    }
+    else
+    {
+      TRACE_ERROR( "ERROR: TFT PF with same PF_ID exist" );
+      p_tft_pf_node_new = NULL;
+    }
+
+  }
+  else
+  {
+    TRACE_ERROR( "ERROR: PDP context not found, in function pdp_context_add_tft_pf");
+  }
+
+  return p_tft_pf_node_new;  
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_del_pf               |
++----------------------------------------------------------------------------+
+
+  PURPOSE : Delete the specified packet filter from a TFT.
+
+*/
+GLOBAL BOOL pdp_context_del_tft_pf( U8 cid, U8 tft_pf_id )
+{
+  BOOL result = FALSE;
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  T_TFT_INTERNAL         *p_tft_pf_node      = NULL;
+  T_TFT_INTERNAL         *p_tft_pf_node_old  = NULL;
+
+  p_pdp_context_node = pdp_context_find_node_from_cid( cid );
+  
+  if( p_pdp_context_node AND p_pdp_context_node->p_tft_pf )
+  {
+    if( p_pdp_context_node->p_tft_pf->pf_attributes.tft_pf_id NEQ tft_pf_id )
+    {
+      p_tft_pf_node = p_pdp_context_node->p_tft_pf;
+
+      while( p_tft_pf_node->p_next AND p_tft_pf_node->p_next->pf_attributes.tft_pf_id NEQ tft_pf_id )
+      {
+        p_tft_pf_node = p_tft_pf_node->p_next;
+      }
+
+      if( p_tft_pf_node->p_next->pf_attributes.tft_pf_id EQ tft_pf_id )
+      {
+        p_tft_pf_node_old = p_tft_pf_node->p_next;
+        p_tft_pf_node->p_next = p_tft_pf_node->p_next->p_next;
+        ACI_MFREE( p_tft_pf_node_old );
+        result = TRUE;
+      }
+      else
+      {
+        TRACE_EVENT( "ERROR: PF not found for given PDP cid, in function pdp_context_del_tft_pf" );
+      }
+    }
+    else
+    {
+      p_tft_pf_node_old = p_pdp_context_node->p_tft_pf;
+
+      if( p_pdp_context_node->p_tft_pf->p_next )
+      {
+        p_pdp_context_node->p_tft_pf = p_pdp_context_node->p_tft_pf->p_next;
+      }
+      else
+      {
+        p_pdp_context_node->p_tft_pf = NULL;
+      }
+
+      ACI_MFREE( p_tft_pf_node_old );
+      result = TRUE;
+    }
+  }
+  else
+  {
+    TRACE_EVENT( "ERROR: in function pdp_context_del_tft_pf" );
+  }
+
+  return result;
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_del_tft              |
++----------------------------------------------------------------------------+
+
+  PURPOSE : Delete all packet filters for an entire TFT.
+
+*/
+GLOBAL BOOL pdp_context_del_tft( U8 cid )
+{
+  BOOL result = TRUE;
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+
+  p_pdp_context_node = pdp_context_find_node_from_cid( cid );
+  if( p_pdp_context_node )
+  {
+    while( p_pdp_context_node->p_tft_pf )
+    {
+      if( !pdp_context_del_tft_pf( cid, p_pdp_context_node->p_tft_pf->pf_attributes.tft_pf_id ) )
+      {
+        result = FALSE;
+        break;
+      }
+    }
+  }
+  else
+  {
+    result = FALSE;
+  }
+
+  return result;
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_find_tft_pf          |
++----------------------------------------------------------------------------+
+
+  PURPOSE : Find the specified packet flter in a TFT and return the pointer.
+
+*/
+GLOBAL T_TFT_INTERNAL *pdp_context_find_tft_pf( U8 cid, U8 tft_pf_id )
+{
+  T_TFT_INTERNAL         *p_tft_pf_node      = NULL;
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+
+  p_pdp_context_node = pdp_context_find_node_from_cid( cid );
+
+  if( p_pdp_context_node )
+  {
+
+    if( p_pdp_context_node->p_tft_pf )
+    {
+      p_tft_pf_node = p_pdp_context_node->p_tft_pf;
+    }
+    
+    if( p_tft_pf_node )
+    {
+      while( p_tft_pf_node->pf_attributes.tft_pf_id NEQ tft_pf_id AND p_tft_pf_node->p_next )
+      {
+        p_tft_pf_node = p_tft_pf_node->p_next;
+      }
+
+      if( p_tft_pf_node->pf_attributes.tft_pf_id NEQ tft_pf_id )
+      {
+        p_tft_pf_node = NULL;
+      }
+      
+    }
+    
+  }
+
+  return p_tft_pf_node;
+  
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT : UMTS                  MODULE  : gaci                             |
+|                                 ROUTINE : pdp_context_find_tft_pf          |
++----------------------------------------------------------------------------+
+
+  PURPOSE : return the number of defined packet filters in a TFT.
+
+*/
+GLOBAL U8 pdp_context_get_no_of_tft_pfs( U8 cid )
+{
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  T_TFT_INTERNAL         *p_tft_pf_node      = NULL;
+  U8 pf_count = 0;
+
+  p_pdp_context_node = pdp_context_find_node_from_cid( cid );
+
+  if( p_pdp_context_node )
+  {
+    p_tft_pf_node = p_pdp_context_node->p_tft_pf;
+    while( p_tft_pf_node )
+    {
+      pf_count++;
+      p_tft_pf_node = p_tft_pf_node->p_next;
+    }
+  }
+
+  return pf_count;
+  
+}
+
+
+/*
++-------------------------------------------------------------------------------+
+| PROJECT :                       MODULE  : gaci                                |
+|                                 ROUTINE : pdp_context_check_if_nodes_exists   |
++-------------------------------------------------------------------------------+
+
+  PURPOSE : Check if the PDP contexts specified in the cid_array are defined.
+            The function will return 0 if all specified PDP contexts are defind
+            othervise the first undefined cid in the cid_array is returned.
+*/
+GLOBAL U8 pdp_context_check_if_nodes_exists( U8 *cid_array )
+{
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  U8 i = 0;
+  U8 result = 0;
+
+  while( (cid_array[i] NEQ PDP_CONTEXT_CID_OMITTED) AND (i < PDP_CONTEXT_CID_MAX) )
+  {
+    p_pdp_context_node = pdp_context_find_node_from_cid( cid_array[i] );
+    if( p_pdp_context_node )
+    {
+      i++;
+    }
+    else
+    {
+      result = cid_array[i];
+      break;
+    }
+  }
+
+  return result;
+}
+
+
+/*
++-------------------------------------------------------------------------------+
+| PROJECT :                       MODULE  : gaci                                |
+|                                 ROUTINE : pdp_context_check_if_nodes_exists   |
++-------------------------------------------------------------------------------+
+
+  PURPOSE : Check if the pdp_type matches the specified PDP contexts in the cid_array.
+            The function will return 0 if all specified PDP contexts matches
+            othervise the first unmatched PDP context in the cid_array is returned.
+*/
+GLOBAL U8 pdp_context_validate_pdp_type( U8 *cid_array, T_PDP_TYPE pdp_type )
+{
+  T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = NULL;
+  U8 i = 0;
+  U8 result = 0;
+
+  while( (cid_array[i] NEQ PDP_CONTEXT_CID_OMITTED) AND (i < PDP_CONTEXT_CID_MAX) )
+  {
+    p_pdp_context_node = pdp_context_find_node_from_cid( cid_array[i] );
+    if( p_pdp_context_node )
+    {
+      if( strcmp(p_pdp_context_node->attributes.pdp_type, pdp_type) )
+      {
+        result = cid_array[i];
+        break;
+      }
+      i++;
+    }
+    else
+    {
+
+      result = cid_array[i];
+      break;
+    }
+  }
+
+  return result;
+}
+
+
+#endif  /* GPRS */