main.c 16.4 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
/*******************************************************************************

  Eurecom OpenAirInterface
  Copyright(c) 1999 - 2010 Eurecom

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information
  Openair Admin: openair_admin@eurecom.fr
  Openair Tech : openair_tech@eurecom.fr
  Forums       : http://forums.eurecom.fsr/openairinterface
  Address      : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France

28
 *******************************************************************************/
29
/*! \file main.c
30
 * \brief top init of Layer 2
31 32
 * \author  Navid Nikaein and Raymond Knopp 
 * \date 2010 - 2014
33 34 35
 * \version 0.5
 * \email: navid.nikaein@eurecom.fr
 * @ingroup _mac
36

37
 */
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

#ifdef USER_MODE
#include "LAYER2/register.h"
#else
#ifdef KERNEL2_6
//#include <linux/config.h>
#include <linux/slab.h>
#endif

#ifdef KERNEL2_4
#include <linux/malloc.h>
#include <linux/wrapper.h>
#endif


#endif //USER_MODE

#include "defs.h"
56
#include "proto.h"
57
#include "extern.h"
Lionel Gauthier's avatar
Lionel Gauthier committed
58
#include "assertions.h"
59 60 61 62
#include "PHY_INTERFACE/extern.h"
#include "PHY_INTERFACE/defs.h"
#include "PHY/defs.h"
#include "SCHED/defs.h"
Lionel Gauthier's avatar
Lionel Gauthier committed
63
#include "LAYER2/PDCP_v10.1.0/pdcp.h"
64 65 66 67 68 69 70 71 72
#include "RRC/LITE/defs.h"
#include "UTIL/LOG/log.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
#ifdef PHY_EMUL
#include "SIMULATION/simulation_defs.h"
#endif //PHY_EMUL

#include "SCHED/defs.h"

73 74 75
void dl_phy_sync_success(module_id_t   module_idP,
    frame_t       frameP,
    unsigned char eNB_index,
76
    uint8_t            first_sync){  //init as MR
77
  LOG_D(MAC,"[UE %d] Frame %d: PHY Sync to eNB_index %d successful \n", module_idP, frameP, eNB_index);
78
  if (first_sync==1) {
79 80
      layer2_init_UE(module_idP);
      openair_rrc_ue_init(module_idP,eNB_index);
81 82
  }
  else {
83
      mac_in_sync_ind(module_idP,frameP,eNB_index);
84
  }
85

86 87
}

88
void mrbch_phy_sync_failure(module_id_t module_idP, frame_t frameP, uint8_t free_eNB_index){//init as CH
89

90 91 92
  LOG_I(MAC,"[eNB %d] Frame %d: PHY Sync failure \n",module_idP,frameP);
  layer2_init_eNB(module_idP, free_eNB_index);
  openair_rrc_eNB_init(module_idP);
93 94
}

95
char layer2_init_eNB(module_id_t module_idP, unsigned char eNB_index){
96 97 98 99 100

  return 0;

}

101 102
char layer2_init_UE(module_id_t module_idP){

103 104 105
  return 0;
}

106
void mac_UE_out_of_sync_ind(module_id_t module_idP, frame_t frameP, uint16_t eNB_index){
107

108
  //  Mac_rlc_xface->mac_out_of_sync_ind(Mod_id, frameP, eNB_index);
109 110 111
}


112
int mac_top_init(int eMBMS_active, uint8_t cba_group_active, uint8_t HO_active){
113

114
  module_id_t    Mod_id,i,j;
115 116
  RA_TEMPLATE *RA_template;
  UE_TEMPLATE *UE_template;
117
  int size_bytes1,size_bytes2,size_bits1,size_bits2;
118 119 120

  LOG_I(MAC,"[MAIN] Init function start:Nb_UE_INST=%d\n",NB_UE_INST);
  if (NB_UE_INST>0) {
121 122 123 124 125 126 127 128 129 130 131
      UE_mac_inst = (UE_MAC_INST*)malloc16(NB_UE_INST*sizeof(UE_MAC_INST));
      if (UE_mac_inst == NULL) {
          LOG_C(MAC,"[MAIN] Can't ALLOCATE %d Bytes for %d UE_MAC_INST with size %d \n",NB_UE_INST*sizeof(UE_MAC_INST),NB_UE_INST,sizeof(UE_MAC_INST));
          mac_xface->macphy_exit("[MAC][MAIN] not enough memory for UEs \n");
      }
      LOG_D(MAC,"[MAIN] ALLOCATE %d Bytes for %d UE_MAC_INST @ %p\n",NB_UE_INST*sizeof(UE_MAC_INST),NB_UE_INST,UE_mac_inst);

      bzero(UE_mac_inst,NB_UE_INST*sizeof(UE_MAC_INST));
      for(i=0;i<NB_UE_INST; i++)
        ue_init_mac(i);

132 133 134
  }
  else 
    UE_mac_inst = NULL;
135

136 137
  LOG_I(MAC,"[MAIN] Init function start:Nb_eNB_INST=%d\n",NB_eNB_INST);
  if (NB_eNB_INST>0) {
138 139 140 141 142 143 144
      eNB_mac_inst = (eNB_MAC_INST*)malloc16(NB_eNB_INST*sizeof(eNB_MAC_INST));
      if (eNB_mac_inst == NULL){
          LOG_D(MAC,"[MAIN] can't ALLOCATE %d Bytes for %d eNB_MAC_INST with size %d \n",NB_eNB_INST*sizeof(eNB_MAC_INST),NB_eNB_INST,sizeof(eNB_MAC_INST));
          mac_xface->macphy_exit("[MAC][MAIN] not enough memory for eNB \n");
      }
      LOG_D(MAC,"[MAIN] ALLOCATE %d Bytes for %d eNB_MAC_INST @ %p\n",NB_eNB_INST*sizeof(eNB_MAC_INST),NB_eNB_INST,eNB_mac_inst);
      bzero(eNB_mac_inst,NB_eNB_INST*sizeof(eNB_MAC_INST));
145 146 147
  }
  else
    eNB_mac_inst = NULL;
148

149 150 151
  for(Mod_id=0;Mod_id<NB_eNB_INST;Mod_id++){

#ifdef PHY_EMUL
152
      Mac_rlc_xface->Is_cluster_head[Mod_id]=2;//0: MR, 1: CH, 2: not CH neither MR
153
#endif
154
      /*#ifdef Rel10
155 156 157 158
    int n;
    for (n=0;n<4096;n++)
      eNB_mac_inst[Mod_id].MCH_pdu.payload[n] = taus();
    //    Mac_rlc_xface->Node_id[Mod_id]=NODE_ID[Mod_id];
159
    #endif*/
160 161 162 163 164
  }
  //  Mac_rlc_xface->frame=Mac_rlc_xface->frame;


  if (Is_rrc_registered == 1){
165
      LOG_I(MAC,"[MAIN] calling RRC\n");
166
#ifndef CELLULAR //nothing to be done yet for cellular
167
      openair_rrc_top_init(eMBMS_active, cba_group_active,HO_active);
168 169
#endif
  }
170
  else {
171
      LOG_I(MAC,"[MAIN] Running without an RRC\n");
172
  }
173 174 175
#ifndef USER_MODE
#ifndef PHY_EMUL
  LOG_I(MAC,"[MAIN] add openair2 proc\n");
176
  ////  add_openair2_stats();
177 178 179
#endif
#endif

180
  //init_transport_channels(2);
181 182 183 184

  // Set up DCIs for TDD 5MHz Config 1..6

  for (i=0;i<NB_eNB_INST;i++) {
185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
      LOG_D(MAC,"[MAIN][eNB %d] initializing RA_template\n",i);
      LOG_D(MAC, "[MSC_NEW][FRAME 00000][MAC_eNB][MOD %02d][]\n", i);

      RA_template = (RA_TEMPLATE *)&eNB_mac_inst[i].RA_template[0];
      for (j=0;j<NB_RA_PROC_MAX;j++) {
          if (mac_xface->lte_frame_parms->frame_type == TDD) {
              switch (mac_xface->lte_frame_parms->N_RB_DL) {
              case 6:
                size_bytes1 = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
                size_bytes2 = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
                size_bits1 = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
                size_bits2 = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
                break;
              case 25:
                size_bytes1 = sizeof(DCI1A_5MHz_TDD_1_6_t);
                size_bytes2 = sizeof(DCI1A_5MHz_TDD_1_6_t);
                size_bits1 = sizeof_DCI1A_5MHz_TDD_1_6_t;
                size_bits2 = sizeof_DCI1A_5MHz_TDD_1_6_t;
                break;
              case 50:
                size_bytes1 = sizeof(DCI1A_10MHz_TDD_1_6_t);
                size_bytes2 = sizeof(DCI1A_10MHz_TDD_1_6_t);
                size_bits1 = sizeof_DCI1A_10MHz_TDD_1_6_t;
                size_bits2 = sizeof_DCI1A_10MHz_TDD_1_6_t;
                break;
              case 100:
                size_bytes1 = sizeof(DCI1A_20MHz_TDD_1_6_t);
                size_bytes2 = sizeof(DCI1A_20MHz_TDD_1_6_t);
                size_bits1 = sizeof_DCI1A_20MHz_TDD_1_6_t;
                size_bits2 = sizeof_DCI1A_20MHz_TDD_1_6_t;
                break;
              default:
                size_bytes1 = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
                size_bytes2 = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
                size_bits1 = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
                size_bits2 = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
                break;
              }

          }
          else {
              switch (mac_xface->lte_frame_parms->N_RB_DL) {
              case 6:
                size_bytes1 = sizeof(DCI1A_1_5MHz_FDD_t);
                size_bytes2 = sizeof(DCI1A_1_5MHz_FDD_t);
                size_bits1 = sizeof_DCI1A_1_5MHz_FDD_t;
                size_bits2 = sizeof_DCI1A_1_5MHz_FDD_t;
                break;
              case 25:
                size_bytes1 = sizeof(DCI1A_5MHz_FDD_t);
                size_bytes2 = sizeof(DCI1A_5MHz_FDD_t);
                size_bits1 = sizeof_DCI1A_5MHz_FDD_t;
                size_bits2 = sizeof_DCI1A_5MHz_FDD_t;
                break;
              case 50:
                size_bytes1 = sizeof(DCI1A_10MHz_FDD_t);
                size_bytes2 = sizeof(DCI1A_10MHz_FDD_t);
                size_bits1 = sizeof_DCI1A_10MHz_FDD_t;
                size_bits2 = sizeof_DCI1A_10MHz_FDD_t;
                break;
              case 100:
                size_bytes1 = sizeof(DCI1A_20MHz_FDD_t);
                size_bytes2 = sizeof(DCI1A_20MHz_FDD_t);
                size_bits1 = sizeof_DCI1A_20MHz_FDD_t;
                size_bits2 = sizeof_DCI1A_20MHz_FDD_t;
                break;
              default:
                size_bytes1 = sizeof(DCI1A_1_5MHz_FDD_t);
                size_bytes2 = sizeof(DCI1A_1_5MHz_FDD_t);
                size_bits1 = sizeof_DCI1A_1_5MHz_FDD_t;
                size_bits2 = sizeof_DCI1A_1_5MHz_FDD_t;
                break;
              }
          }
          memcpy((void *)&RA_template[j].RA_alloc_pdu1[0],(void *)&RA_alloc_pdu,size_bytes1);
          memcpy((void *)&RA_template[j].RA_alloc_pdu2[0],(void *)&DLSCH_alloc_pdu1A,size_bytes2);
          RA_template[j].RA_dci_size_bytes1 = size_bytes1;
          RA_template[j].RA_dci_size_bytes2 = size_bytes2;
          RA_template[j].RA_dci_size_bits1  = size_bits1;
          RA_template[j].RA_dci_size_bits2  = size_bits2;

          RA_template[j].RA_dci_fmt1        = format1A;
          RA_template[j].RA_dci_fmt2        = format1A;
268
      }
269 270 271 272 273 274 275

      memset (&eNB_mac_inst[i].eNB_stats,0,sizeof(eNB_STATS));
      UE_template = (UE_TEMPLATE *)&eNB_mac_inst[i].UE_template[0];
      for (j=0;j<NUMBER_OF_UE_MAX;j++) {
          UE_template[j].rnti=0;
          // initiallize the eNB to UE statistics
          memset (&eNB_mac_inst[i].eNB_UE_stats[j],0,sizeof(eNB_UE_STATS));
276 277 278 279
      }
  }


280
  //ICIC init param
281
#ifdef ICIC
282
  uint8_t SB_size;
283 284 285 286 287
  SB_size=mac_xface->get_SB_size(mac_xface->lte_frame_parms->N_RB_DL);

  srand (time(NULL));

  for(j=0;j<NB_eNB_INST;j++){
288 289 290 291 292 293
      eNB_mac_inst[j].sbmap_conf.first_subframe=0;
      eNB_mac_inst[j].sbmap_conf.periodicity=10;
      eNB_mac_inst[j].sbmap_conf.sb_size=SB_size;
      eNB_mac_inst[j].sbmap_conf.nb_active_sb=1;
      for(i=0;i<NUMBER_OF_SUBBANDS;i++)
        eNB_mac_inst[j].sbmap_conf.sbmap[i]=1;
294

295
      eNB_mac_inst[j].sbmap_conf.sbmap[rand()%NUMBER_OF_SUBBANDS]=0;
296 297 298

  }
#endif
299
  //end ALU's algo
300

301
  LOG_I(MAC,"[MAIN][INIT] Init function finished\n");
302 303 304 305 306 307 308 309

  return(0);

}


int mac_init_global_param(void){

310

311 312 313 314 315 316 317 318 319 320 321 322
  Mac_rlc_xface = NULL;
  LOG_I(MAC,"[MAIN] CALLING RLC_MODULE_INIT...\n");

  if (rlc_module_init()!=0)
    return(-1);

  LOG_I(MAC,"[MAIN] RLC_MODULE_INIT OK, malloc16 for mac_rlc_xface...\n");

  Mac_rlc_xface = (MAC_RLC_XFACE*)malloc16(sizeof(MAC_RLC_XFACE));
  bzero(Mac_rlc_xface,sizeof(MAC_RLC_XFACE));

  if(Mac_rlc_xface == NULL){
323 324
      LOG_E(MAC,"[MAIN] FATAL EROOR: Could not allocate memory for Mac_rlc_xface !!!\n");
      return (-1);
325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355

  }

  LOG_I(MAC,"[MAIN] malloc16 OK, mac_rlc_xface @ %p\n",(void *)Mac_rlc_xface);

  //  mac_xface->macphy_data_ind=macphy_data_ind;
  mac_xface->mrbch_phy_sync_failure=mrbch_phy_sync_failure;
  mac_xface->dl_phy_sync_success=dl_phy_sync_success;
  mac_xface->out_of_sync_ind=mac_out_of_sync_ind;

  //  Mac_rlc_xface->macphy_exit=  mac_xface->macphy_exit;
  //  Mac_rlc_xface->frame = 0;
  //  Mac_rlc_xface->mac_config_req=mac_config_req;
  //  Mac_rlc_xface->mac_meas_req=mac_meas_req;
  //  Mac_rlc_xface->rrc_rlc_config_req=rrc_rlc_config_req;
  //  Mac_rlc_xface->rrc_rlc_data_req=rrc_rlc_data_req;
  //  Mac_rlc_xface->rrc_rlc_register_rrc=rrc_rlc_register_rrc;

  //  Mac_rlc_xface->rrc_mac_config_req=rrc_mac_config_req;

  //  LOG_I(MAC,"[MAIN] INIT_GLOBAL_PARAM: Mac_rlc_xface=%p,rrc_rlc_register_rrc =%p\n",Mac_rlc_xface,Mac_rlc_xface->rrc_rlc_register_rrc);

  //  Mac_rlc_xface->mac_rlc_data_req=mac_rlc_data_req;
  //  Mac_rlc_xface->mac_rlc_data_ind=mac_rlc_data_ind;
  //  Mac_rlc_xface->mac_rlc_status_ind=mac_rlc_status_ind;
  //  Mac_rlc_xface->pdcp_data_req=pdcp_data_req;
  //  Mac_rlc_xface->mrbch_phy_sync_failure=mrbch_phy_sync_failure;
  //  Mac_rlc_xface->dl_phy_sync_success=dl_phy_sync_success;

  LOG_I(MAC,"[MAIN] RLC interface setup and init\n");
  rrc_init_global_param();
356

357 358 359 360 361 362 363 364 365 366 367 368 369
#ifdef USER_MODE
  pdcp_layer_init ();
#else
  pdcp_module_init ();
#endif

  LOG_I(MAC,"[MAIN] Init Global Param Done\n");

  return 0;
}


void mac_top_cleanup(void){
370

371 372 373 374 375 376 377 378 379 380
#ifndef USER_MODE
  pdcp_module_cleanup ();
#endif
  if (NB_UE_INST>0)
    free (UE_mac_inst);
  if (NB_eNB_INST>0)
    free(eNB_mac_inst);
  free( Mac_rlc_xface);
}

381
int l2_init(LTE_DL_FRAME_PARMS *frame_parms,int eMBMS_active, uint8_t cba_group_active, uint8_t HO_active) {
382 383 384 385 386 387 388



  LOG_I(MAC,"[MAIN] MAC_INIT_GLOBAL_PARAM IN...\n");
  //    NB_NODE=2;
  //    NB_INST=2;

389
  Is_rrc_registered=0;
390
  mac_init_global_param();
391
  Is_rrc_registered=1;
392

Cedric Roux's avatar
Cedric Roux committed
393
  mac_xface->macphy_init = mac_top_init;
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
#ifndef USER_MODE
  mac_xface->macphy_exit = openair_sched_exit;
#else
  mac_xface->macphy_exit=(void (*)(const char*)) exit;
#endif
  LOG_I(MAC,"[MAIN] init eNB MAC functions  \n");
  mac_xface->eNB_dlsch_ulsch_scheduler = eNB_dlsch_ulsch_scheduler;
  mac_xface->get_dci_sdu               = get_dci_sdu;
  mac_xface->fill_rar                  = fill_rar;
  mac_xface->terminate_ra_proc         = terminate_ra_proc;
  mac_xface->initiate_ra_proc          = initiate_ra_proc;
  mac_xface->cancel_ra_proc            = cancel_ra_proc;
  mac_xface->SR_indication             = SR_indication;
  mac_xface->rx_sdu                    = rx_sdu;
  mac_xface->get_dlsch_sdu             = get_dlsch_sdu;
  mac_xface->get_eNB_UE_stats          = get_eNB_UE_stats;
  mac_xface->get_transmission_mode     = get_transmission_mode;
  mac_xface->get_rballoc               = get_rballoc;
  mac_xface->get_nb_rb                 = conv_nprb;
  mac_xface->get_SB_size               = Get_SB_size;
  mac_xface->get_subframe_direction    = get_subframe_direction;
  mac_xface->Msg3_transmitted          = Msg3_tx;
  mac_xface->Msg1_transmitted          = Msg1_tx;
  mac_xface->ra_failed                 = ra_failed;
  mac_xface->ra_succeeded              = ra_succeeded;

  LOG_I(MAC,"[MAIN] init UE MAC functions \n");
  mac_xface->ue_decode_si              = ue_decode_si;
  mac_xface->ue_send_sdu               = ue_send_sdu;
#ifdef Rel10
  mac_xface->ue_send_mch_sdu           = ue_send_mch_sdu;
  mac_xface->ue_query_mch              = ue_query_mch;
#endif
  mac_xface->ue_get_SR                 = ue_get_SR;
  mac_xface->ue_get_sdu                = ue_get_sdu;
  mac_xface->ue_get_rach               = ue_get_rach;
  mac_xface->ue_process_rar            = ue_process_rar;
  mac_xface->ue_scheduler              = ue_scheduler;
  mac_xface->process_timing_advance    = process_timing_advance;


  LOG_I(MAC,"[MAIN] PHY Frame configuration \n");
  mac_xface->lte_frame_parms = frame_parms;

  mac_xface->get_ue_active_harq_pid = get_ue_active_harq_pid;
  mac_xface->get_PL                 = get_PL;
440 441 442 443 444
  mac_xface->get_RSRP               = get_RSRP;
  mac_xface->get_RSRQ               = get_RSRQ;
  mac_xface->get_RSSI               = get_RSSI;
  mac_xface->get_n_adj_cells        = get_n_adj_cells;
  mac_xface->get_rx_total_gain_dB   = get_rx_total_gain_dB;
445 446 447 448 449 450 451 452 453 454 455 456 457 458
  mac_xface->get_Po_NOMINAL_PUSCH   = get_Po_NOMINAL_PUSCH;
  mac_xface->get_num_prach_tdd      = get_num_prach_tdd;
  mac_xface->get_fid_prach_tdd      = get_fid_prach_tdd;
  mac_xface->get_deltaP_rampup      = get_deltaP_rampup;
  mac_xface->computeRIV             = computeRIV;
  mac_xface->get_TBS_DL             = get_TBS_DL;
  mac_xface->get_TBS_UL             = get_TBS_UL;
  mac_xface->get_nCCE_max           = get_nCCE_max;
  mac_xface->get_ue_mode            = get_ue_mode;
  mac_xface->phy_config_sib1_eNB    = phy_config_sib1_eNB;
  mac_xface->phy_config_sib1_ue     = phy_config_sib1_ue;

  mac_xface->phy_config_sib2_eNB        = phy_config_sib2_eNB;
  mac_xface->phy_config_sib2_ue         = phy_config_sib2_ue;
459
  mac_xface->phy_config_afterHO_ue      = phy_config_afterHO_ue;
460 461 462 463 464 465 466 467
#ifdef Rel10
  mac_xface->phy_config_sib13_eNB        = phy_config_sib13_eNB;
  mac_xface->phy_config_sib13_ue         = phy_config_sib13_ue;
#endif
#ifdef CBA
  mac_xface->phy_config_cba_rnti         = phy_config_cba_rnti ;
#endif 
  mac_xface->phy_config_meas_ue          = phy_config_meas_ue;
468
  mac_xface->phy_reset_ue		 = phy_reset_ue;
469 470 471 472 473 474 475 476 477 478 479

  mac_xface->phy_config_dedicated_eNB    = phy_config_dedicated_eNB;
  mac_xface->phy_config_dedicated_ue     = phy_config_dedicated_ue;

#ifdef Rel10
  mac_xface->get_mch_sdu                 = get_mch_sdu;
#endif

  mac_xface->get_PHR = get_PHR;
  LOG_D(MAC,"[MAIN] ALL INIT OK\n");

480
  mac_xface->macphy_init(eMBMS_active,cba_group_active,HO_active);
481 482 483 484

  //Mac_rlc_xface->Is_cluster_head[0] = 1;
  //Mac_rlc_xface->Is_cluster_head[1] = 0;

485

486 487 488
  return(1);
}