view src/g23m-gprs/gmm/gmm_rxp.c @ 686:59f07d67eb45

luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +0000
parents 219afcfc6250
children
line wrap: on
line source

/* 
+----------------------------------------------------------------------------- 
|  Project :  GPRS (8441)
|  Modul   :  gmm_rxp.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 
|             functions to handles the incoming primitives as described in 
|             the SDL-documentation (RX-statemachine)
+----------------------------------------------------------------------------- 
*/ 

#ifndef GMM_RXP_C
#define GMM_RXP_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_kerns.h"  /* to get some signals */
#include "gmm_rxf.h"    /* to get some functions */

#include  <string.h>    /* to get memset */

/*==== CONST ================================================================*/

/*==== LOCAL VARS ===========================================================*/

/*==== PRIVATE FUNCTIONS ====================================================*/

/*==== PUBLIC FUNCTIONS =====================================================*/



/*
+------------------------------------------------------------------------------
| Function    : rx_ll_unitdata_ind
+------------------------------------------------------------------------------
| Description : Handles the primitive LL_UNITDATA_IND
|
| Parameters  : *ll_unitdata_ind - Ptr to primitive payload
|
+------------------------------------------------------------------------------
*/
GLOBAL void rx_ll_unitdata_ind ( T_LL_UNITDATA_IND *ll_unitdata_ind_ )
{ 
  UBYTE pd;
  UBYTE tiskip;
  UBYTE ccdenttype;
#ifndef GMM_TCS4
  U8   *payload;
  U16   length;
#endif
  
  GMM_TRACE_FUNCTION( "rx_ll_unitdata_ind" );
  {
  PPASS (ll_unitdata_ind_, ll_unitdata_ind, LL_UNITDATA_IND );

  
  switch( GET_STATE( RX ) )
  {
    case RX_READY:
      /*
       * get the Protokol discriminator
       */
      GET_PD (ll_unitdata_ind->sdu, pd);
     
      if ( pd == PD_SM )
      {
        /*
         * macro PPASS (ll_unitdata_ind,
         *              gmmsm_unitdata_ind,
         *              GMMSM_UNITDATA_IND);
         * is not possible, because o f different parameters
         */
#ifdef GMM_TCS4
        PALLOC_SDU ( gmmsm_unitdata_ind, MMPM_UNITDATA_IND, (USHORT)(ll_unitdata_ind->sdu.l_buf+ll_unitdata_ind->sdu.o_buf) );
#else
        PALLOC_SDU ( gmmsm_unitdata_ind, GMMSM_UNITDATA_IND, (USHORT)(ll_unitdata_ind->sdu.l_buf+ll_unitdata_ind->sdu.o_buf) );
#endif
        gmmsm_unitdata_ind->sdu.l_buf = ll_unitdata_ind->sdu.l_buf;
        gmmsm_unitdata_ind->sdu.o_buf = ll_unitdata_ind->sdu.o_buf;            
        memcpy (&gmmsm_unitdata_ind->sdu.buf[0],&ll_unitdata_ind->sdu.buf[0],
                (gmmsm_unitdata_ind->sdu.l_buf+gmmsm_unitdata_ind->sdu.o_buf+7)/8);
        
        PSEND ( hCommSM, gmmsm_unitdata_ind );

        #ifdef TRACE_EVE
          #ifndef GMM_TCS4
            switch ( gmmsm_unitdata_ind->sdu.buf[((gmmsm_unitdata_ind->sdu.o_buf)>>3)+1])
            {
              case ACTIVATE_PDP_REQ:
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_REQ");break;
              case ACTIVATE_PDP_ACC:      
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_ACC");break;
              case ACTIVATE_PDP_REJ:      
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_REJ");break;
              case REQ_PDP_ACT:      
                TRACE_EVENT ( "OPar: REQ_PDP_ACT");break;
              case REQ_PDP_ACT_REJ:      
                TRACE_EVENT ( "OPar: REQ_PDP_ACT_REJ");break;
              case MOD_PDP_REQ:      
                TRACE_EVENT ( "OPar: MOD_PDP_REQ");break;
              case MOD_PDP_ACC:      
                TRACE_EVENT ( "OPar: MOD_PDP_ACC");break;
              case DEACT_PDP_REQ:      
                TRACE_EVENT ( "OPar: DEACT_PDP_REQ");break;
              case DEACT_PDP_ACC:      
                TRACE_EVENT ( "OPar: DEACT_PDP_ACC");break; 
              case SM_STATUS:      
                TRACE_EVENT ( "OPar: SM_STATUS");break;
              default:
                TRACE_EVENT ( "OPar: SNDCP unknown");break;
          }
          #else  /* #ifndef GMM_TCS4 */
            switch ( gmmsm_unitdata_ind->sdu.buf[((gmmsm_unitdata_ind->sdu.o_buf)>>3)+1])
            {
              case ACTIVATE_PDP_CONTEXT_REQUEST:
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_CONTEXT_REQUEST");break;
              case ACTIVATE_PDP_CONTEXT_ACCEPT:      
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_CONTEXT_ACCEPT");break;
              case ACTIVATE_PDP_CONTEXT_REJECT:      
                TRACE_EVENT ( "OPar: ACTIVATE_PDP_CONTEXT_REJECT");break;
              case REQUEST_PDP_CONTEXT_ACTIVATION:      
                TRACE_EVENT ( "OPar: REQUEST_PDP_CONTEXT_ACTIVATION");break;
              case REQUEST_PDP_CONTEXT_ACTIVATION_REJECT:      
                TRACE_EVENT ( "OPar: REQUEST_PDP_CONTEXT_ACTIVATION_REJECT");break;
              case U_MODIFY_PDP_CONTEXT_REQUEST:      
                TRACE_EVENT ( "OPar: U_MODIFY_PDP_CONTEXT_REQUEST");break;
              case U_MODIFY_PDP_CONTEXT_ACCEPT:      
                TRACE_EVENT ( "OPar: U_MODIFY_PDP_CONTEXT_ACCEPT");break;
              case DEACTIVATE_PDP_CONTEXT_REQUEST:      
                TRACE_EVENT ( "OPar: DEACTIVATE_PDP_CONTEXT_REQUEST");break;
              case DEACTIVATE_PDP_CONTEXT_ACCEPT:      
                TRACE_EVENT ( "OPar: DEACTIVATE_PDP_CONTEXT_ACCEPT");break; 
              case SM_STATUS:      
                TRACE_EVENT ( "OPar: SM_STATUS");break;
              default:
                TRACE_EVENT ( "OPar: SNDCP unknown");break;
			}
          #endif /* #ifndef GMM_TCS4 */
      #endif /* _SIMULATION_ */
        
        PFREE ( ll_unitdata_ind );
        GMM_RETURN;
      }
      else if ( PD_GMM != pd && PD_TST != pd )
      {
        /* 
         * 04.07 ch. 11.2.3.1.1
         * "If the Mobile Station receives, on a SAP where it expects standard L3 messages, a
         * standard L3 message with a protocol discriminator different from those specified in
         * table 11.2, or for a protocol that it does not support, the Mobile Station shall
         * ignore the message."
         */
        TRACE_ERROR ("message with wrong PD received");
        
        PFREE (ll_unitdata_ind);
        GMM_RETURN;
      }  
      GET_TI (ll_unitdata_ind->sdu, tiskip);

      if ( tiskip != SKIP_VALID )
      {
        TRACE_ERROR ("SKIP is invalid in reseived GMM meassage");
        PFREE ( ll_unitdata_ind );
        GMM_RETURN;
      }
      /*
       * rx_decode_msg
       */
      ll_unitdata_ind->sdu.l_buf -= 8;
      ll_unitdata_ind->sdu.o_buf += 8;
      ccdenttype = (PD_GMM==pd)?CCDENT_GMM:CCDENT_TST;
      
      if (ccdOK != ccd_decodeMsg (ccdenttype,
                       DOWNLINK,
                       (T_MSGBUF /*FAR*/ *) &ll_unitdata_ind->sdu,
                       (UBYTE /*FAR*/ *) _decodedMsg,
                       NOT_PRESENT_8BIT) 
         )
      {
        /*
         * Error Handling
         */
        USHORT parlist[6];
        UBYTE  ccd_err;

        /* 
         * clear parlist
         */
        memset (parlist,0, sizeof (parlist));
        ccd_err = ccd_getFirstError (ccdenttype, parlist);

        /*
         * Error Handling
         */
        do 
        {
          switch (ccd_err)
          {
            case ERR_COMPREH_REQUIRED:    /* Comprehension required     */
            case ERR_MAND_ELEM_MISS:      /* Mandatory elements missing */
              rx_gmm_status (ERRCS_INVALID_M_INFO);
              TRACE_ERROR( "CCD ERROR: Mandatory elements missing");
              PFREE (ll_unitdata_ind);
              GMM_RETURN;
              /* break; */
            case ERR_IE_NOT_EXPECTED:
              TRACE_ERROR("CCD ERROR: IE not expected. properly an R99 optional element like cell notification, eplmn, or t3302");
              break;
            case ERR_IE_SEQUENCE:
              TRACE_ERROR("wrong sequence of information elements");
              break;
            case ERR_MAX_IE_EXCEED:
              TRACE_ERROR("maximum amount of repeatable information elements has exceeded");
              break;
            case ERR_MAX_REPEAT:
              TRACE_ERROR("a repeatable element occurs too often in the message");
              break;
            case ERR_INVALID_MID:     
              rx_gmm_status (ERRCS_TYPE_INVALID);
              TRACE_ERROR("the message ID is not correct");
              PFREE (ll_unitdata_ind);
              GMM_RETURN;
            case ERR_INTERNAL_ERROR:
              TRACE_ERROR("an internal CCD error occured ");
              rx_gmm_status (ERRCS_MESSAGE_INVALID);            
              PFREE (ll_unitdata_ind);
              GMM_RETURN;
              /* break; */
            default:
              TRACE_ERROR( "CCD ERROR: unknown error");
              break;
              /* break; */
					}
          ccd_err = ccd_getNextError (ccdenttype, parlist);
        }while(ccd_err NEQ ERR_NO_MORE_ERROR);
      }

#ifndef GMM_TCS4
      payload  = &(ll_unitdata_ind->sdu.buf[0]);     /* beginning of buffer      */
      payload += (ll_unitdata_ind->sdu.o_buf) >> 3;  /*  plus offset (bytes)     */
      length   = (ll_unitdata_ind->sdu.l_buf) >> 3;  /* length (bytes, bits / 8) */
#endif

      switch (_decodedMsg[0])
      {
        case ATTACH_ACCEPT:
          TRACE_0_PARA ( "ATTACH_ACC");
#ifndef GMM_TCS4
          TRACE_BINDUMP( GMM_handle,
             TC_USER4,
             "ATTACH ACCEPT",
             payload,
             length);
#endif
          sig_rx_kern_att_acc_ind ();
          break;
        case ATTACH_REJECT:
          TRACE_0_PARA ( "ATTACH_REJ");
#ifndef GMM_TCS4
          TRACE_BINDUMP( GMM_handle,
             TC_USER4,
             "ATTACH REJECT",
             payload,
             length);
#endif
          sig_rx_kern_att_rej_ind ();
          break;
        case D_DETACH_REQUEST:
          TRACE_0_PARA ( "D_DETACH_REQ");
          sig_rx_kern_det_req_ind ();
          break;
        case D_DETACH_ACCEPT:
          TRACE_0_PARA ( "D_DETACH_ACC");
          sig_rx_kern_det_acc_ind ();
          break;
        case ROUTING_AREA_UPDATE_ACCEPT:
          TRACE_0_PARA ( "RAU_ACC");
#ifndef GMM_TCS4
          TRACE_BINDUMP( GMM_handle,
             TC_USER4,
             "ROUTING AREA UPDATE ACCEPT",
             payload,
             length);
#endif
          sig_rx_kern_rau_acc_ind ();
          break;
        case ROUTING_AREA_UPDATE_REJECT:
          TRACE_0_PARA ( "RAU_REJ");
#ifndef GMM_TCS4
          TRACE_BINDUMP( GMM_handle,
             TC_USER4,
             "ROUTING AREA UPDATE REJECT",
             payload,
             length);
#endif
          sig_rx_kern_rau_rej_ind ();
          break;
        case P_TMSI_REALLOCATION_COMMAND:
          TRACE_0_PARA ( "PTMSI_REALLOC_CMD");
          sig_rx_kern_realloc_cmd_ind ();
          break;
        case AUTHENTICATION_AND_CIPHERING_REQUEST:
          TRACE_0_PARA ( "A&C_REQ");
          sig_rx_kern_auth_req_ind ();
          break;
        case AUTHENTICATION_AND_CIPHERING_REJECT:
          TRACE_0_PARA ( "A&C_REJ");
          sig_rx_kern_auth_rej_ind ();
          break;
        case IDENTITY_REQUEST:
          TRACE_0_PARA ( "ID_REQ");
          sig_rx_kern_id_req_ind ();
          break;
        case GMM_STATUS:
          TRACE_0_PARA ( "GMM_STATUS");
          sig_rx_kern_status_ind ();
          break;
        case GMM_INFORMATION:
          TRACE_0_PARA ( "GMM_INFO");
          sig_rx_kern_info_ind ();
          break;
        case GPRS_TEST_MODE_CMD:
          TRACE_0_PARA ( "GPRS_TEST_MODE_CMD");
          sig_rx_kern_tst_cmd_ind ();
          break;
#ifdef GMM_TCS4
  #ifdef FF_EGPRS
        case EGPRS_START_RADIO_BLOCK_LOOPBACK_CMD:
          TRACE_0_PARA ( "EGPRS_START_RADIO_BLOCK_LOOPBACK_CMD");
          sig_rx_kern_egprs_loopb_cmd_ind ();
          break;
  #endif /*FF_EGPRS*/
#endif /*GMM_TCS4*/
        default:
          /* 
           * This branch should never be reached
           */
          rx_gmm_status ( ERRCS_TYPE_INVALID );
          TRACE_ERROR( "NO valid GMM message reseived" );
          break;
      }

      PFREE (ll_unitdata_ind);
      break;
    default:
      PFREE (ll_unitdata_ind);
      TRACE_ERROR( "LL_UNITDATA_IND unexpected" );
      break;
  }
  }
  GMM_RETURN;
} /* rx_ll_unitdata_ind() */