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view src/g23m-gprs/sndcp/sndcp_sdas.c @ 624:012028896cfb

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FFS dev.c, Leonardo target: Fujitsu MB84VF5F5F4J2 #if 0'ed out The FFS code we got from TI/Openmoko had a stanza for "Fujitsu MB84VF5F5F4J2 stacked device", using a fake device ID code that would need to be patched manually into cfgffs.c (suppressing and overriding autodetection) and using an FFS base address in the nCS2 bank, indicating that this FFS config was probably meant for the MCP version of Leonardo which allows for 16 MiB flash with a second bank on nCS2. We previously had this FFS config stanza conditionalized under CONFIG_TARGET_LEONARDO because the base address contained therein is invalid for other targets, but now that we actually have a Leonardo build target in FC Magnetite, I realize that the better approach is to #if 0 out this stanza altogether: it is already non-functional because it uses a fake device ID code, thus it is does not add support for more Leonardo board variants, instead it is just noise.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 22 Dec 2019 21:24:29 +0000
parents 219afcfc6250
children
line wrap: on
line source

/* 
+----------------------------------------------------------------------------- 
|  Project :  GPRS (8441)
|  Modul   :  sndcp_sdas.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 SNDCP and implements all 
|             functions to handles the incoming process internal signals as  
|             described in the SDL-documentation (SD-statemachine)
+----------------------------------------------------------------------------- 
*/ 


#define ENTITY_SNDCP

/*==== INCLUDES =============================================================*/

#include "typedefs.h"    /* to get Condat data types */
#include "vsi.h"        /* to get a lot of macros */
#include "macdef.h"
#include "gsm.h"        /* to get a lot of macros */
#include "prim.h"       /* to get the definitions of used SAP and directions */

#include "dti.h"
#include "sndcp.h"        /* to get the global entity definitions */
#include "sndcp_f.h"       /* to get the functions to access the global arrays*/

#include "sndcp_sdaf.h"    /* to get the internal functions of this service */
#include "sndcp_nds.h"    /* to get signals to nd service */


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

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

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

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

/*
+------------------------------------------------------------------------------
| Function    : sig_cia_sda_cia_decomp_ind
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_CIA_SDA_CIA_DECOMP_IND
|
| Parameters  : cia_decomp_ind, p_id
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_cia_sda_cia_decomp_ind (T_CIA_DECOMP_IND* cia_decomp_ind, UBYTE p_id) 
{ 
  UBYTE sapi_index = 0;
  UBYTE sapi = 0;
  UBYTE nsapi= cia_decomp_ind->pdu_ref.ref_nsapi;
  BOOL rec = FALSE;
  T_SN_DATA_IND* sn_data_ind = NULL;

  TRACE_ISIG( "sig_cia_sda_cia_decomp_ind" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_nsapi_sapi(cia_decomp_ind->pdu_ref.ref_nsapi, &sapi);
  sndcp_get_sapi_index(sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];

  
  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
    case SDA_RECEIVE_FIRST_SEGMENT:
    case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
    case SDA_ESTABLISH_REQUESTED:
      {
       
        MALLOC(sn_data_ind, sizeof(T_SN_DATA_IND));

#ifdef _SNDCP_DTI_2_
        sn_data_ind->desc_list2.first = cia_decomp_ind->desc_list2.first;
        sn_data_ind->desc_list2.list_len = cia_decomp_ind->desc_list2.list_len;
#endif /*_SNDCP_DTI_2_*/

#ifdef SNDCP_TRACE_ALL

        sndcp_data->cia.cia_decomp_ind_number[nsapi] --;
        TRACE_EVENT_P1("number of cia_decomp_ind: % d",
                       sndcp_data->cia.cia_decomp_ind_number[nsapi]);
#endif /* SNDCP_TRACE_ALL */

        sn_data_ind->nsapi = nsapi;
        sn_data_ind->p_id = p_id;
        sda_is_nsapi_rec(nsapi, &rec);
        if (rec) {
          sda_set_nsapi_rec(nsapi, FALSE);
          sig_sda_nd_data_ind(nsapi, 
                              sn_data_ind, 
                              (UBYTE)cia_decomp_ind->pdu_ref.ref_npdu_num);
          sda_get_data_if_nec(sapi);
        } else {
          if (sndcp_data->sda->cur_sn_data_ind[nsapi] NEQ NULL)
          {
#ifndef NTRACE
#ifdef SNDCP_TRACE_ALL
            TRACE_EVENT_P1("Discard cur_sn.. in %s", sndcp_data->sda->state_name);
#endif /* SNDCP_TRACE_ALL */
#endif /* NTRACE */
            sda_delete_cur_sn_data_ind(nsapi);
          }
          sndcp_data->sda->cur_sn_data_ind[nsapi] = sn_data_ind;
          sndcp_data->sda->uncomp_npdu_num = 
                               (UBYTE)cia_decomp_ind->pdu_ref.ref_npdu_num;
          sndcp_set_nsapi_rec_state(nsapi, SDA_WAIT_NSAPI);
          sda_get_data_if_nec ( sapi );
        }
      }
      MFREE(cia_decomp_ind);
      break;
    default:
      TRACE_ERROR( "SIG_CIA_SDA_CIA_DECOMP_IND unexpected" );
      MFREE_PRIM(cia_decomp_ind); 
      break;
  }
} /* sig_cia_sda_cia_decomp_ind() */



/*
+------------------------------------------------------------------------------
| Function    : sig_mg_sda_delete_npdus
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_MG_SD_DELETE_NPDUS
|
| Parameters  : affected NSAPI, SAPI
| Pre         : If the affected SAPI no longer uses acknowledged LLC operation
|               mode, no LL_GETDATA_REQ shall be sent. So sndcp_sapi_state_ra
|               must already be set to MG_REL_PENDING before this functon is 
|               called (if that sub state is desired).
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_mg_sda_delete_npdus (UBYTE nsapi,
                                    UBYTE sapi) 
{ 
  UBYTE sapi_index = 0;

  TRACE_ISIG( "sig_mg_sda_delete_npdus" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_sapi_index(sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];
  
  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
    case SDA_ESTABLISH_REQUESTED:
    case SDA_RECEIVE_FIRST_SEGMENT:
    case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
      if (sndcp_data->sda->cur_sn_data_ind[nsapi] != NULL) {
        sda_delete_cur_sn_data_ind(nsapi);
        sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
      } else {
        sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
      }
      break;
    case SDA_WAIT_NSAPI:
      if (sndcp_data->sda->cur_sn_data_ind[nsapi] != NULL) {
        USHORT sapi_state = MG_IDLE;

        sda_delete_cur_sn_data_ind(nsapi);
        /*
         * Does it make sense to request another acknowlegded segment or is
         * the whole SAPI now using only unacknowledged mode?
         */
        sndcp_get_sapi_state(sapi, &sapi_state);
        if ((sapi_state & MG_REL) == 0) {
          sda_get_data_if_nec(sapi);
        }
        sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
      } 
      break;
    default:
      TRACE_ERROR( "SIG_MG_SDA_DELETE_NPDUS unexpected" );
      break;
  }
} /* sig_mg_sda_delete_npdus() */


/*
+------------------------------------------------------------------------------
| Function    : sig_mg_sda_end_est
+------------------------------------------------------------------------------
| Description : Handles the signal PD_SD_END_EST
|
| Parameters  : affected sapi, success
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_mg_sda_end_est (UBYTE sapi, BOOL success)
{ 
  UBYTE sapi_index = 0;
  UBYTE nsapi = 0;

  TRACE_FUNCTION( "sig_pda_sda_est_cnf" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_sapi_index(sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];

  /*
   * Send LL_GETDATA_REQ. 
   */
  if (success){
    sndcp_data->sda->llc_may_send = FALSE;
    sda_get_data_if_nec(sapi);
  }
  /*
   * All nsapis at this sapi that use ack mode, enter 
   * SDA_ESTABLISH_REQUESTED state.
   */
  for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++) {
    UBYTE local_sapi = 0;
    BOOL used = FALSE;

    sndcp_is_nsapi_used(nsapi, &used);
    if (!used) {
      continue;
    }
    sndcp_get_nsapi_sapi(nsapi, &local_sapi);
    if (local_sapi == sapi) {
      switch( sndcp_get_nsapi_rec_state(nsapi) )
      {
        case SDA_ESTABLISH_REQUESTED:
        case SDA_RECEIVE_FIRST_SEGMENT:
        case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
        case SDA_WAIT_NSAPI:
        case SDA_ACK_DISCARD:
          sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
          break;
        default:
          TRACE_EVENT( "SIG_MG_SDA_END_EST unexpected for this NSAPI" );
          break;
      }
    }
  } /* for all nsapis */


} /* sig_mg_sda_end_est() */


/*
+------------------------------------------------------------------------------
| Function    : sig_mg_sda_getdata
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_MG_SD_GETDATA
|
| Parameters  : sapi
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_mg_sda_getdata (UBYTE sapi, UBYTE nsapi) 
{ 
  UBYTE sapi_index = 0;

  TRACE_ISIG( "sig_mg_sda_getdata" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_sapi_index(sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];
  
  switch( GET_STATE(SDA) )
  {
    case SDA_DEFAULT:
      sda_get_data_if_nec(sapi);
      sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
      break;
    default:
      TRACE_ERROR( "SIG_MG_SDA_GETDATA unexpected" );
      break;
  }
} /* sig_mg_sda_getdata() */


/*
+------------------------------------------------------------------------------
| Function    : sig_cia_sda_getdata
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_CIA_SDA_GETDATA
|
| Parameters  : sapi
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_cia_sda_getdata (UBYTE sapi, UBYTE nsapi)
{

  TRACE_ISIG( "sig_cia_sda_getdata" );

  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
    case SDA_RECEIVE_FIRST_SEGMENT:
    case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
    case SDA_WAIT_NSAPI:
      sda_get_data_if_nec(sapi);
      break;
    default:
      TRACE_ERROR( "SIG_CIA_SDA_GETDATA unexpected" );
      break;
  }
} /* sig_cia_sda_getdata() */


/*
+------------------------------------------------------------------------------
| Function    : sig_nd_sda_getdata_req
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_ND_SDA_GETDATA_REQ
|
| Parameters  : affected sapi, affected nsapi
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_nd_sda_getdata_req (UBYTE sapi,
                                    UBYTE nsapi) 
{ 
  UBYTE sapi_index = 0;

  TRACE_ISIG( "sig_nd_sda_getdata_req" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_sapi_index(sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];
  
  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
    case SDA_RECEIVE_FIRST_SEGMENT:
    case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
      sda_set_nsapi_rec(nsapi, TRUE);
      break;
    case SDA_WAIT_NSAPI:
      if (sndcp_data->sda->cur_sn_data_ind[nsapi] != NULL) {
        /*
         * Send the just reassembled N-PDU (must be present because of state!).
         */
        sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
        sig_sda_nd_data_ind(nsapi, 
                            sndcp_data->sda->cur_sn_data_ind[nsapi], 
                            sndcp_data->sda->uncomp_npdu_num);
        sndcp_data->sda->cur_sn_data_ind[nsapi] = NULL;
        sda_get_data_if_nec(sapi);
      } else {
        /*
         * Set the receptive for the given nsapi.
         */
        sda_set_nsapi_rec(nsapi, TRUE);
      }
      break;
    default:
      TRACE_ERROR( "SIG_ND_SDA_GETDATA_REQ unexpected" );
      break;
  }
} /* sig_nd_sda_getdata_req() */

/*
+------------------------------------------------------------------------------
| Function    : sig_mg_sda_start_est
+------------------------------------------------------------------------------
| Description : Handles the signal PD_SD_START_EST
|
| Parameters  : affected sapi
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_mg_sda_start_est (UBYTE sapi)
{ 
  UBYTE nsapi = 0;

  TRACE_FUNCTION( "sig_pda_sda_start_est" );
  
  /*
   * All nsapis at this sapi that use ack mode, enter 
   * SDA_ESTABLISH_REQUESTED state.
   */
  for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++) {
    UBYTE sapi_help = 0;
    BOOL used = FALSE;

    sndcp_is_nsapi_used(nsapi, &used);
    if (!used) {
      continue;
    }
    sndcp_get_nsapi_sapi(nsapi, &sapi_help);
    if (sapi_help == sapi) {
      switch( sndcp_get_nsapi_rec_state(nsapi) )
      {
        case SDA_ESTABLISH_REQUESTED:
        case SDA_RECEIVE_FIRST_SEGMENT:
        case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
        case SDA_WAIT_NSAPI:
          sndcp_set_nsapi_rec_state(nsapi, SDA_ESTABLISH_REQUESTED);
          break;
        default:
          TRACE_EVENT( "SIG_MG_SDA_START_EST unexpected for this NSAPI" );
          break;
      }
    }
  } /* for all nsapis */

} /* sig_mg_sda_start_est() */


/*
+------------------------------------------------------------------------------
| Function    : sig_pd_sda_data_ind
+------------------------------------------------------------------------------
| Description : Handles the signal PD_SD_DATA_IND
|
| Parameters  : *ll_data_ind - Ptr to primitive payload
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_pda_sda_data_ind ( T_LL_DATA_IND *ll_data_ind )
{ 
  UBYTE sapi_index = 0;
  BOOL valid = FALSE;
  UBYTE nsapi = 0;
  UBYTE sapi = 0;

  TRACE_FUNCTION( "sig_pda_sda_data_ind" );

   /*
    * set service instance according to sapi in primitive
    */
  sndcp_get_sapi_index(ll_data_ind->sapi, &sapi_index);
  sndcp_data->sda = & sndcp_data->sda_base[sapi_index];
  sda_get_nsapi(ll_data_ind, &nsapi);
  
  /*
   * LLC has now "used up" it's pending LL_GETDATA_REQ and will have 
   * to wait for the next one.
   */
  sndcp_data->sda->llc_may_send = FALSE;
  sapi = ll_data_ind->sapi;

  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
    case SDA_ESTABLISH_REQUESTED:
      /* 
       * Just discard the segment. Next segment will be requested after 
       * confirmation of establishment.
       */
      PFREE(ll_data_ind);
      ll_data_ind = NULL;
      break;

    case SDA_RECEIVE_FIRST_SEGMENT:
      /* 
       * Invalid segments are discarded without error notification
       */
      sda_is_seg_valid(ll_data_ind, &valid);
      if (!valid) {
        PFREE(ll_data_ind);
        sda_get_data_if_nec(sapi);
        return;
      }
      if (sda_f_bit(ll_data_ind)) {
        if (sda_m_bit(ll_data_ind)) {
          sda_ac_f_f1_m1(ll_data_ind);
        } else {
          sda_ac_f_f1_m0(ll_data_ind);
        }
      } else {
        sda_ac_f_f0(ll_data_ind);
      }
      
      break;

    case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
      /* 
       * Invalid segments are discarded without error notification
       */
      sda_is_seg_valid(ll_data_ind, &valid);
      if (!valid) {
        PFREE(ll_data_ind);
        sda_get_data_if_nec(sapi);
        return;
      }
      if (sda_f_bit(ll_data_ind)) {
        if (sda_m_bit(ll_data_ind)) {
          sda_ac_s_f1_m1(ll_data_ind);
        } else {
          sda_ac_s_f1_m0(ll_data_ind);
        }
      } else {
        if (sda_m_bit(ll_data_ind)) {
          sda_ac_s_f0_m1(ll_data_ind);
        } else {
          sda_ac_s_f0_m0(ll_data_ind);
        }
      }
      
      break;

    case SDA_WAIT_NSAPI:
      if (ll_data_ind != NULL)
      {
        PFREE(ll_data_ind);
      }
      sda_get_data_if_nec(sapi); 
      break;

    case SDA_ACK_DISCARD:
      /*
       * In this state we will discard every downlink segment till we receive.
       * the last segment.
       * Once we receive the last segment, we will move to the state
       * SDA_RECEIVE_FIRST_SEGMENT.
       */
      TRACE_EVENT( "SDA_ACK_DISCARD state,Discard Segments ..." );
      sndcp_data->cur_segment_number[nsapi] ++;
      if (!sda_m_bit(ll_data_ind))
      {
        TRACE_EVENT( "Received the last Segment in SDA_ACK_DISCARD state " );
        sndcp_data->cur_segment_number[nsapi] = 0;
        sndcp_set_nsapi_rec_state(nsapi, SDA_RECEIVE_FIRST_SEGMENT);
      }
      PFREE(ll_data_ind);
      sda_get_data_if_nec(sapi);
      break;

    default:
      TRACE_ERROR( "SIG_PDA_SDA_DATA_IND unexpected" );
      /*
       * The primitive LL_DATA_IND is unexpected or the
       * NSAPI value is wrong. Discard the prim and send a FC prim.
       */
      if (ll_data_ind != NULL)
      {
        PFREE(ll_data_ind);
      }
      sda_get_data_if_nec(sapi);
      break;
  }
  
} /* sig_pda_sda_data_ind() */


/*
+------------------------------------------------------------------------------
| Function    : sig_mg_sda_reset_ind
+------------------------------------------------------------------------------
| Description : Handles the internal signal SIG_MG_SDA_RESET_IND
|
| Parameters  : affected sapi
|
+------------------------------------------------------------------------------
*/
GLOBAL void sig_mg_sda_reset_ind (UBYTE nsapi) 
{ 

  TRACE_ISIG( "sig_mg_sda_reset_ind" );

  switch( sndcp_get_nsapi_rec_state(nsapi) )
  {
      case SDA_ESTABLISH_REQUESTED:
      case SDA_RECEIVE_FIRST_SEGMENT:
      case SDA_RECEIVE_SUBSEQUENT_SEGMENT:
      case SDA_WAIT_NSAPI:
      case SDA_ACK_DISCARD:
        /*
         * Similar to sd.
         */
        sndcp_data->cur_dcomp[nsapi] = 0;
        sndcp_data->cur_pcomp[nsapi] = 0;
      break;
    default:
      TRACE_ERROR( "SIG_MG_SDA_RESET_IND unexpected" );
      break;
  }
} /* sig_mg_sda_reset_ind() */