view src/g23m-gprs/llc/llc_itxp.c @ 597:f18b29e27be5

First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 22:18:35 +0000
parents 4cb2e85d9d6a
children
line wrap: on
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/* 
+----------------------------------------------------------------------------- 
|  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 (ITX-statemachine)
+----------------------------------------------------------------------------- 
*/ 

#ifndef LLC_ITXP_C
#define LLC_ITXP_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 the global entity definitions */
#include "llc_itxf.h"   /* to get local function definitions */
#include <string.h>     /* to get memcpy */

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

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

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

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


/*
+------------------------------------------------------------------------------
| Function    : itx_ll_desc_req
+------------------------------------------------------------------------------
| Description : Handles the primitive LL_DATA_REQ
|
| Parameters  : *ll_desc_req/ll_data_req - Ptr to primitive payload
|
+------------------------------------------------------------------------------
*/
GLOBAL void itx_ll_desc_req 
(
#ifdef LL_DESC
  T_LL_DESC_REQ *ll_desc_req
#else
  T_LL_DATA_REQ *ll_desc_req
#endif
)
{ 
  BOOL        success;

  TRACE_FUNCTION( "ll_desc_req" );

  SWITCH_LLC (ll_desc_req->sapi);
#ifdef REL99
  llc_data->cur_pfi        = ll_desc_req->pkt_flow_id; /* store current packet flow identifier */
  TRACE_EVENT_P1("packet flow id = %d",ll_desc_req->pkt_flow_id);
#endif 
  llc_data->cur_qos        = ll_desc_req->ll_qos;  /* store current QoS */
  TRACE_EVENT_P1("peak throughput = %d",ll_desc_req->ll_qos.peak);
  llc_data->cur_radio_prio = ll_desc_req->radio_prio;  
  TRACE_EVENT_P1("radio priority = %d",ll_desc_req->radio_prio);
  
#ifdef LL_DESC
  TRACE_2_PARA("s:%d len:%d", ll_desc_req->sapi, ll_desc_req->desc_list3.list_len);
#else
  TRACE_2_PARA("s:%d len:%d", ll_desc_req->sapi, BYTELEN(ll_desc_req->sdu.l_buf));
#endif
  /*
   * Set up the attached counter
   */
  ll_desc_req->attached_counter = CCI_NO_ATTACHE;

  switch (GET_STATE(ITX))
  {
    case ITX_TLLI_UNASSIGNED:
    case ITX_TLLI_ASSIGNED:
      /*
       * Ignore primitive, but free prim data.
       */
#ifdef LL_DESC
          llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
#endif /* LL_DESC */
          PFREE (ll_desc_req);
      TRACE_ERROR( "ll_desc_req unexpected" );
      break;

    case ITX_ABM:
    case ITX_ABM_PEER_BUSY:
      itx_i_queue_store (ll_desc_req, &success);
      if ( success == FALSE )
      {
        TRACE_0_INFO("ll_desc_req storing failed" );
#ifdef LL_DESC
          llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
#endif /* LL_DESC */
          PFREE (ll_desc_req);
      }
      else
      {
        itx_send_next_frame (ABIT_NO_REQ);
        itx_handle_ll_ready_ind (FALSE);
      }
      /* SET_STATE (ITX, SAME_STATE); */
      break;

    default:
#ifdef LL_DESC
          llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
#endif /* LL_DESC */
          PFREE (ll_desc_req);
      TRACE_ERROR( "ll_desc_req unexpected" );
      break;
  }

} /* itx_ll_desc_req() */

/*
+------------------------------------------------------------------------------
| Function    : itx_ll_data_req
+------------------------------------------------------------------------------
| Description : Handles the primitive LL_DATA_REQ
|
| Parameters  : *ll_data_req - Ptr to primitive payload
|
+------------------------------------------------------------------------------
*/
#ifdef LL_DESC
GLOBAL void itx_ll_data_req ( T_LL_DATA_REQ *ll_data_req )
{
   T_desc3 *desc3 = NULL;
   USHORT  len, desc_offset;
   UBYTE   *buf;

  TRACE_FUNCTION( "uitx_ll_data_req" );

  /*
   * Allocate primitive and fill in the structure elements
   */
  {
    PALLOC(ll_desc_req, LL_DESC_REQ);

    ll_desc_req->sapi             = ll_data_req->sapi;       
    ll_desc_req->tlli             = ll_data_req->tlli;       
    ll_desc_req->ll_qos           = ll_data_req->ll_qos;     
    ll_desc_req->radio_prio       = ll_data_req->radio_prio;
    ll_desc_req->reference1       = ll_data_req->reference1;
    ll_desc_req->seg_pos          = ll_data_req->seg_pos;
    ll_desc_req->attached_counter = ll_data_req->attached_counter;
#ifdef REL99 
    ll_desc_req->pkt_flow_id = ll_data_req->pkt_flow_id;
#endif /* REL99 */
    /*
     * Allocate memory block for desc2 and set the values of the 
     * desc2-elements.
     */

    len         = ll_data_req->sdu.l_buf >> 3;
    desc_offset = ll_data_req->sdu.o_buf >> 3;

    desc3  = llc_palloc_desc(len, desc_offset);
    
    buf = (UBYTE*)desc3->buffer; 
   
    memcpy(&buf[desc3->offset], 
           &ll_data_req->sdu.buf[desc_offset], 
           len);
    ll_desc_req->desc_list3.first    = (ULONG)desc3;
    ll_desc_req->desc_list3.list_len = desc3->len;

    /*
     * Primitive is handled in uitx_ll_unitdesc_req
     */
    itx_ll_desc_req (ll_desc_req);
  }
  PFREE(ll_data_req);


}
#endif /* LL_DESC */