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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.0  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */
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/******************************************************************************
 \file openair2_proc
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# \brief print openair2 overall statistics
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# \author Navid Nikaein
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# \date 2013-2015
# \version 0.2
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# \email navid.nikaein@eurecom.fr
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# @ingroup _openair2
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*/

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#ifdef USER_MODE
# include <inttypes.h>
#else
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#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>

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# ifndef PRIu64
#  if __WORDSIZE == 64
#     define PRIu64 "lu"
#   else
#     define PRIu64 "llu"
#   endif
# endif
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#endif
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#include "LAYER2/RLC/rlc.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/extern.h"
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#include "LAYER2/PDCP_v10.1.0/pdcp.h"
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#include "UTIL/LOG/log.h"
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#include "common/ran_context.h"
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static mapping rrc_status_names[] = {
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  {"RRC_INACTIVE", 0},
  {"RRC_IDLE", 1},
  {"RRC_SI_RECEIVED",2},
  {"RRC_CONNECTED",3},
  {"RRC_RECONFIGURED",4},
  {"RRC_HO_EXECUTION",5},
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  {NULL, -1}
};

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extern RAN_CONTEXT_t RC;

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int dump_eNB_l2_stats(char *buffer, int length)
{

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  int eNB_id,UE_id,number_of_cards;
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  int len= length;
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  int CC_id=0;
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  int i;
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  protocol_ctxt_t      ctxt;
  rlc_op_status_t rlc_status;
  unsigned int stat_rlc_mode;
  unsigned int stat_tx_pdcp_sdu;
  unsigned int stat_tx_pdcp_bytes;
  unsigned int stat_tx_pdcp_sdu_discarded;
  unsigned int stat_tx_pdcp_bytes_discarded;
  unsigned int stat_tx_data_pdu;
  unsigned int  stat_tx_data_bytes;
  unsigned int  stat_tx_retransmit_pdu_by_status;
  unsigned int  stat_tx_retransmit_bytes_by_status;
  unsigned int stat_tx_retransmit_pdu;
  unsigned int  stat_tx_retransmit_bytes;
  unsigned int  stat_tx_control_pdu;
  unsigned int  stat_tx_control_bytes;
  unsigned int  stat_rx_pdcp_sdu;
  unsigned int  stat_rx_pdcp_bytes;
  unsigned int  stat_rx_data_pdus_duplicate;
  unsigned int  stat_rx_data_bytes_duplicate;
  unsigned int  stat_rx_data_pdu;
  unsigned int  stat_rx_data_bytes;
  unsigned int  stat_rx_data_pdu_dropped;
  unsigned int  stat_rx_data_bytes_dropped;
  unsigned int  stat_rx_data_pdu_out_of_window;
  unsigned int  stat_rx_data_bytes_out_of_window;
  unsigned int  stat_rx_control_pdu;
  unsigned int  stat_rx_control_bytes;
  unsigned int  stat_timer_reordering_timed_out;
  unsigned int  stat_timer_poll_retransmit_timed_out;
  unsigned int  stat_timer_status_prohibit_timed_out;
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#ifdef EXMIMO
  number_of_cards=1;
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#else
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  number_of_cards=NB_eNB_INST;
#endif
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  eNB_MAC_INST *eNB;
  UE_list_t *UE_list;
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  for (eNB_id=0; eNB_id<number_of_cards; eNB_id++) {
    /* reset the values */
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    eNB = RC.mac[eNB_id];
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    UE_list = &eNB->UE_list;
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    for (CC_id=0 ; CC_id < MAX_NUM_CCs; CC_id++) {
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      eNB->eNB_stats[CC_id].dlsch_bitrate= 0;

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      len += sprintf(&buffer[len],"eNB %d CC %d Frame %d: Active UEs %d, Available PRBs %d, nCCE %d, Scheduling decisions %d, Missed Deadlines %d \n",
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                     eNB_id, CC_id, eNB->frame,
                     eNB->eNB_stats[CC_id].num_dlactive_UEs,
                     eNB->eNB_stats[CC_id].available_prbs,
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                     eNB->eNB_stats[CC_id].available_ncces,
		     eNB->eNB_stats[CC_id].sched_decisions,
		     eNB->eNB_stats[CC_id].missed_deadlines);
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      len += sprintf(&buffer[len],"BCCH , NB_TX_MAC = %d, transmitted bytes (TTI %d, total %d) MCS (TTI %d)\n",
		     eNB->eNB_stats[CC_id].total_num_bcch_pdu,
		     eNB->eNB_stats[CC_id].bcch_buffer,
		     eNB->eNB_stats[CC_id].total_bcch_buffer,
		     eNB->eNB_stats[CC_id].bcch_mcs);
      
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      eNB->eNB_stats[CC_id].dlsch_bitrate=((eNB->eNB_stats[CC_id].dlsch_bytes_tx*8)/((eNB->frame + 1)*10));
      eNB->eNB_stats[CC_id].total_dlsch_pdus_tx+=eNB->eNB_stats[CC_id].dlsch_pdus_tx;
      eNB->eNB_stats[CC_id].total_dlsch_bytes_tx+=eNB->eNB_stats[CC_id].dlsch_bytes_tx;
      eNB->eNB_stats[CC_id].total_dlsch_bitrate=((eNB->eNB_stats[CC_id].total_dlsch_bytes_tx*8)/((eNB->frame + 1)*10));
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      eNB->eNB_stats[CC_id].ulsch_bitrate=((eNB->eNB_stats[CC_id].ulsch_bytes_rx*8)/((eNB->frame + 1)*10));
      eNB->eNB_stats[CC_id].total_ulsch_bitrate=((eNB->eNB_stats[CC_id].total_ulsch_bytes_rx*8)/((eNB->frame + 1)*10));

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      len += sprintf(&buffer[len],"DLSCH bitrate (TTI %u, avg %u) kbps, Transmitted bytes (TTI %u, total %u), Transmitted PDU (TTI %u, total %u) \n",
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                     eNB->eNB_stats[CC_id].dlsch_bitrate,
                     eNB->eNB_stats[CC_id].total_dlsch_bitrate,
                     eNB->eNB_stats[CC_id].dlsch_bytes_tx,
                     eNB->eNB_stats[CC_id].total_dlsch_bytes_tx,
                     eNB->eNB_stats[CC_id].dlsch_pdus_tx,
                     eNB->eNB_stats[CC_id].total_dlsch_pdus_tx);
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      len += sprintf(&buffer[len],"ULSCH bitrate (TTI %u, avg %u) kbps, Received bytes (TTI %u, total %u), Received PDU (TTI %lu, total %u) \n",
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                     eNB->eNB_stats[CC_id].ulsch_bitrate,
                     eNB->eNB_stats[CC_id].total_ulsch_bitrate,
                     eNB->eNB_stats[CC_id].ulsch_bytes_rx,
                     eNB->eNB_stats[CC_id].total_ulsch_bytes_rx,
                     eNB->eNB_stats[CC_id].ulsch_pdus_rx,
                     eNB->eNB_stats[CC_id].total_ulsch_pdus_rx);
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    }
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    len += sprintf(&buffer[len],"\n");

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    for (UE_id=UE_list->head; UE_id>=0; UE_id=UE_list->next[UE_id]) {
      for (i=0; i<UE_list->numactiveCCs[UE_id]; i++) {
        CC_id=UE_list->ordered_CCids[i][UE_id];
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	UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_bitrate=((UE_list->eNB_UE_stats[CC_id][UE_id].TBS*8)/((eNB->frame + 1)*10));
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        UE_list->eNB_UE_stats[CC_id][UE_id].total_dlsch_bitrate= ((UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes*8)/((eNB->frame + 1)*10));
        UE_list->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes+=  UE_list->eNB_UE_stats[CC_id][UE_id].overhead_bytes;
        UE_list->eNB_UE_stats[CC_id][UE_id].avg_overhead_bytes=((UE_list->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes*8)/((eNB->frame + 1)*10));
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	UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_bitrate=((UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_TBS*8)/((eNB->frame + 1)*10));
        UE_list->eNB_UE_stats[CC_id][UE_id].total_ulsch_bitrate= ((UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes_rx*8)/((eNB->frame + 1)*10));
       
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        len += sprintf(&buffer[len],"[MAC] UE %d (DLSCH),status %s, RNTI %x : CQI %d, MCS1 %d, MCS2 %d, RB (tx %d, retx %d, total %d), ncce (tx %d, retx %d) \n",
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                       UE_id,
                       map_int_to_str(rrc_status_names, UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status),
                       UE_list->eNB_UE_stats[CC_id][UE_id].crnti,
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                       UE_list->UE_sched_ctrl[UE_id].dl_cqi[CC_id],
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                       UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs1,
                       UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs2,
                       UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used,
                       UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_retx,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used,
                       UE_list->eNB_UE_stats[CC_id][UE_id].ncce_used,
                       UE_list->eNB_UE_stats[CC_id][UE_id].ncce_used_retx
                      );

        len += sprintf(&buffer[len],
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                       "[MAC] DLSCH bitrate (TTI %d, avg %d), Transmitted bytes "
                       "(TTI %d, total %"PRIu64"), Total Transmitted PDU %d, Overhead "
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                       "(TTI %"PRIu64", total %"PRIu64", avg %"PRIu64")\n",
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                       UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_bitrate,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_dlsch_bitrate,
                       UE_list->eNB_UE_stats[CC_id][UE_id].TBS,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_num_pdus,
                       UE_list->eNB_UE_stats[CC_id][UE_id].overhead_bytes,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_overhead_bytes,
                       UE_list->eNB_UE_stats[CC_id][UE_id].avg_overhead_bytes
                      );
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	len += sprintf(&buffer[len],"[MAC] UE %d (ULSCH), Status %s, Failute timer %d, RNTI %x : rx power (normalized %d,  target %d), MCS (pre %d, post %d), RB (rx %d, retx %d, total %d), Current TBS %d \n",
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                       UE_id,
                       map_int_to_str(rrc_status_names, UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status),
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		       UE_list->UE_sched_ctrl[UE_id].ul_failure_timer,
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                       UE_list->eNB_UE_stats[CC_id][UE_id].crnti,
		       UE_list->eNB_UE_stats[CC_id][UE_id].normalized_rx_power,
		       UE_list->eNB_UE_stats[CC_id][UE_id].target_rx_power,
		       UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1,
		       UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2,
		       UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_rx,
		       UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_retx_rx,
		       UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx,
		       UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_TBS
		       );

	len += sprintf(&buffer[len],
                       "[MAC] ULSCH bitrate (TTI %d, avg %d), received bytes (total %"PRIu64"),"
                       "Total received PDU %d, Total errors %d\n", 
		       UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_bitrate,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_ulsch_bitrate,
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                       UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes_rx,
                       UE_list->eNB_UE_stats[CC_id][UE_id].total_num_pdus_rx,
                       UE_list->eNB_UE_stats[CC_id][UE_id].num_errors_rx);
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        len+= sprintf(&buffer[len],"[MAC] Received PHR PH = %d (db)\n", UE_list->UE_template[CC_id][UE_id].phr_info);
        len+= sprintf(&buffer[len],"[MAC] Received BSR LCGID[0][1][2][3] = %u %u %u %u\n",
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                      UE_list->UE_template[CC_id][UE_id].bsr_info[LCGID0],
                      UE_list->UE_template[CC_id][UE_id].bsr_info[LCGID1],
                      UE_list->UE_template[CC_id][UE_id].bsr_info[LCGID2],
                      UE_list->UE_template[CC_id][UE_id].bsr_info[LCGID3]
                     );
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      }
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      PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt,
				     eNB_id,
				     ENB_FLAG_YES,
				     UE_list->eNB_UE_stats[UE_PCCID(eNB_id,UE_id)][UE_id].crnti, 
				     eNB->frame,
				     eNB->subframe,
				     eNB_id);

      rlc_status = rlc_stat_req(&ctxt,
				SRB_FLAG_YES,
				DCCH,
				&stat_rlc_mode,
				&stat_tx_pdcp_sdu,
				&stat_tx_pdcp_bytes,
				&stat_tx_pdcp_sdu_discarded,
				&stat_tx_pdcp_bytes_discarded,
				&stat_tx_data_pdu,
				&stat_tx_data_bytes,
				&stat_tx_retransmit_pdu_by_status,
				&stat_tx_retransmit_bytes_by_status,
				&stat_tx_retransmit_pdu,
				&stat_tx_retransmit_bytes,
				&stat_tx_control_pdu,
				&stat_tx_control_bytes,
				&stat_rx_pdcp_sdu,
				&stat_rx_pdcp_bytes,
				&stat_rx_data_pdus_duplicate,
				&stat_rx_data_bytes_duplicate,
				&stat_rx_data_pdu,
				&stat_rx_data_bytes,
				&stat_rx_data_pdu_dropped,
				&stat_rx_data_bytes_dropped,
				&stat_rx_data_pdu_out_of_window,
				&stat_rx_data_bytes_out_of_window,
				&stat_rx_control_pdu,
				&stat_rx_control_bytes,
				&stat_timer_reordering_timed_out,
				&stat_timer_poll_retransmit_timed_out,
				&stat_timer_status_prohibit_timed_out);
      
      if (rlc_status == RLC_OP_STATUS_OK) {
	len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_SDU_TO_TX = %d (bytes %d)\tNB_SDU_TO_TX_DISC %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_tx_pdcp_sdu,
		     stat_tx_pdcp_bytes,
		     stat_tx_pdcp_sdu_discarded,
		     stat_tx_pdcp_bytes_discarded);
	
	len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_TX_DATA   = %d (bytes %d)\tNB_TX_CONTROL %d (bytes %d)\tNB_TX_RETX %d (bytes %d)\tNB_TX_RETX_BY_STATUS = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_tx_data_pdu,
		     stat_tx_data_bytes,
		     stat_tx_control_pdu,
		     stat_tx_control_bytes,
		     stat_tx_retransmit_pdu,
		     stat_tx_retransmit_bytes,
		     stat_tx_retransmit_pdu_by_status,
		     stat_tx_retransmit_bytes_by_status);
		
	
	len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_RX_DATA   = %d (bytes %d)\tNB_RX_CONTROL %d (bytes %d)\tNB_RX_DUPL %d (bytes %d)\tNB_RX_DROP = %d (bytes %d)\tNB_RX_OUT_OF_WINDOW = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_rx_data_pdu,
		     stat_rx_data_bytes,
		     stat_rx_control_pdu,
		     stat_rx_control_bytes,
		     stat_rx_data_pdus_duplicate,
		     stat_rx_data_bytes_duplicate,
		     stat_rx_data_pdu_dropped,
		     stat_rx_data_bytes_dropped,
		     stat_rx_data_pdu_out_of_window,
		     stat_rx_data_bytes_out_of_window);
	

	len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, RX_REODERING_TIMEOUT = %d\tRX_POLL_RET_TIMEOUT %d\tRX_PROHIBIT_TIME_OUT %d\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_timer_reordering_timed_out,
		     stat_timer_poll_retransmit_timed_out,
		     stat_timer_status_prohibit_timed_out);

	len+=sprintf(&buffer[len],"[RLC] DCCH Mode %s, NB_SDU_TO_RX = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_rx_pdcp_sdu,
		     stat_rx_pdcp_bytes);
      }
      
      rlc_status = rlc_stat_req(&ctxt,
				SRB_FLAG_NO,
				DTCH-2, // DRB_IDENTITY
				&stat_rlc_mode,
				&stat_tx_pdcp_sdu,
				&stat_tx_pdcp_bytes,
				&stat_tx_pdcp_sdu_discarded,
				&stat_tx_pdcp_bytes_discarded,
				&stat_tx_data_pdu,
				&stat_tx_data_bytes,
				&stat_tx_retransmit_pdu_by_status,
				&stat_tx_retransmit_bytes_by_status,
				&stat_tx_retransmit_pdu,
				&stat_tx_retransmit_bytes,
				&stat_tx_control_pdu,
				&stat_tx_control_bytes,
				&stat_rx_pdcp_sdu,
				&stat_rx_pdcp_bytes,
				&stat_rx_data_pdus_duplicate,
				&stat_rx_data_bytes_duplicate,
				&stat_rx_data_pdu,
				&stat_rx_data_bytes,
				&stat_rx_data_pdu_dropped,
				&stat_rx_data_bytes_dropped,
				&stat_rx_data_pdu_out_of_window,
				&stat_rx_data_bytes_out_of_window,
				&stat_rx_control_pdu,
				&stat_rx_control_bytes,
				&stat_timer_reordering_timed_out,
				&stat_timer_poll_retransmit_timed_out,
				&stat_timer_status_prohibit_timed_out);
      
      if (rlc_status == RLC_OP_STATUS_OK) {
	len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_SDU_TO_TX = %d (bytes %d)\tNB_SDU_TO_TX_DISC %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_tx_pdcp_sdu,
		     stat_tx_pdcp_bytes,
		     stat_tx_pdcp_sdu_discarded,
		     stat_tx_pdcp_bytes_discarded);
	
	len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_TX_DATA   = %d (bytes %d)\tNB_TX_CONTROL %d (bytes %d)\tNB_TX_RETX %d (bytes %d)\tNB_TX_RETX_BY_STATUS = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_tx_data_pdu,
		     stat_tx_data_bytes,
		     stat_tx_control_pdu,
		     stat_tx_control_bytes,
		     stat_tx_retransmit_pdu,
		     stat_tx_retransmit_bytes,
		     stat_tx_retransmit_pdu_by_status,
		     stat_tx_retransmit_bytes_by_status);
		
	
	len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_RX_DATA   = %d (bytes %d)\tNB_RX_CONTROL %d (bytes %d)\tNB_RX_DUPL %d (bytes %d)\tNB_RX_DROP = %d (bytes %d)\tNB_RX_OUT_OF_WINDOW = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_rx_data_pdu,
		     stat_rx_data_bytes,
		     stat_rx_control_pdu,
		     stat_rx_control_bytes,
		     stat_rx_data_pdus_duplicate,
		     stat_rx_data_bytes_duplicate,
		     stat_rx_data_pdu_dropped,
		     stat_rx_data_bytes_dropped,
		     stat_rx_data_pdu_out_of_window,
		     stat_rx_data_bytes_out_of_window);
	

	len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, RX_REODERING_TIMEOUT = %d\tRX_POLL_RET_TIMEOUT %d\tRX_PROHIBIT_TIME_OUT %d\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_timer_reordering_timed_out,
		     stat_timer_poll_retransmit_timed_out,
		     stat_timer_status_prohibit_timed_out);

	len+=sprintf(&buffer[len],"[RLC] DTCH Mode %s, NB_SDU_TO_RX = %d (bytes %d)\n",
		     (stat_rlc_mode==RLC_MODE_AM)? "AM": (stat_rlc_mode==RLC_MODE_UM)?"UM":"NONE",
		     stat_rx_pdcp_sdu,
		     stat_rx_pdcp_bytes);

      }  		
400 401
    }
  }
402
  
403
  return len + 1 /* SR: for trailing \0 */;
404
}
405

406
#ifdef PROC
407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424
#ifndef USER_MODE
static int openair2_stats_read(char *buffer, char **my_buffer, off_t off, int length)
#else
int openair2_stats_read(char *buffer, char **my_buffer, off_t off, int length)
#endif
{

  int len = 0,fg,Overhead, Sign;
  unsigned int i,j,k,kk;
  unsigned int Mod_id = 0,CH_index;
  unsigned int tx_pdcp_sdu;
  unsigned int tx_pdcp_sdu_discarded;
  unsigned int tx_retransmit_pdu_unblock;
  unsigned int tx_retransmit_pdu_by_status;
  unsigned int tx_retransmit_pdu;
  unsigned int tx_data_pdu;
  unsigned int tx_control_pdu;
  unsigned int rx_sdu;
425
  unsigned int rx_error_pdu;
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  unsigned int rx_data_pdu;
  unsigned int rx_data_pdu_out_of_window;
  unsigned int rx_control_pdu;

  //    if (mac_xface->is_cluster_head == 0) {
431
  for (k=0; k<NB_INST; k++) {
432 433 434



435
    if (Mac_rlc_xface->Is_cluster_head[k] == 0) {
436
#ifndef PHY_EMUL_ONE_MACHINE
437
      Mod_id=k-NB_CH_INST;
438 439 440

      len+=sprintf(&buffer[len],"UE TTI: %d\n",Mac_rlc_xface->frame);

441 442 443 444 445 446 447 448 449
      for (CH_index = 0; CH_index<NB_CNX_UE; CH_index++) {


        if (UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Active==1) {
          len+=sprintf(&buffer[len],"CH %d: Wideband SINR %d dB---\n",
                       CH_index,UE_mac_inst[Mod_id].Def_meas[CH_index].Wideband_sinr);
          len+=sprintf(&buffer[len],"CH %d: Subband SINR (dB) :",
                       CH_index);

450
          for (fg=0; fg<NUMBER_OF_MEASUREMENT_SUBBANDS; fg++) {
451
            len+=sprintf(&buffer[len],"%d ",UE_mac_inst[Mod_id].Def_meas[CH_index].Sinr_meas[0][fg]);
452
          }
453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484

          len+=sprintf(&buffer[len],"\n");


          len+=sprintf(&buffer[len],"BCCH %d, NB_RX_MAC = %d (%d errors)\n",
                       UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                       UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.NB_RX,
                       UE_mac_inst[Mod_id].Bcch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);



          len+=sprintf(&buffer[len],"CCCH %d, NB_RX_MAC = %d (%d errors)\n",
                       UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                       UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.NB_RX,
                       UE_mac_inst[Mod_id].Ccch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);


          len+=sprintf(&buffer[len],"LCHAN %d (DCCH), NB_TX_MAC = %d (%d bits/TTI, %d kbits/sec), NB_RX_MAC = %d (%d errors)\n",
                       UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.Lchan_id.Index,
                       UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_TX,
                       UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.output_rate,
                       (10*UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.output_rate)>>5,
                       UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_RX,
                       UE_mac_inst[Mod_id].Dcch_lchan[CH_index].Lchan_info.NB_RX_ERRORS);

          for(i=1; i<NB_RAB_MAX; i++) {
            if (UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Active==1) {
              Overhead=UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate - Pdcp_stats_tx_rate[k][CH_index][i];

              if(Overhead<0) {
                Overhead=-Overhead;
                Sign=-1;
485 486 487
              } else {
                Sign=1;
              }
488

489 490
              len+=sprintf(&buffer[len],
                           "[PDCP]LCHAN %d: NB_TX = %d ,Tx_rate =(%d bits/TTI ,%d Kbits/s), NB_RX = %d ,Rx_rate =(%d bits/TTI ,%d Kbits/s) , LAYER2 TX OVERHEAD: %d Kbits/s\n",
491 492 493 494 495 496 497 498 499 500 501
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                           Pdcp_stats_tx[k][CH_index][i],
                           Pdcp_stats_tx_rate[k][CH_index][i],
                           (10*Pdcp_stats_tx_rate[k][CH_index][i])>>5,
                           Pdcp_stats_rx[k][CH_index][i],
                           Pdcp_stats_rx_rate[k][CH_index][i],
                           (10*Pdcp_stats_rx_rate[k][CH_index][i])>>5,
                           Sign*(10*Overhead)>>5);


              int status =  rlc_stat_req     (k,
502
                                              UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546
                                              &tx_pdcp_sdu,
                                              &tx_pdcp_sdu_discarded,
                                              &tx_retransmit_pdu_unblock,
                                              &tx_retransmit_pdu_by_status,
                                              &tx_retransmit_pdu,
                                              &tx_data_pdu,
                                              &tx_control_pdu,
                                              &rx_sdu,
                                              &rx_error_pdu,
                                              &rx_data_pdu,
                                              &rx_data_pdu_out_of_window,
                                              &rx_control_pdu) ;

              if (status == RLC_OP_STATUS_OK) {
                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_SDU_TO_TX = %d\tNB_SDU_DISC %d\tNB_RX_SDU %d\n",
                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                             tx_pdcp_sdu,
                             tx_pdcp_sdu_discarded,
                             rx_sdu);
                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_TB_TX_DATA = %d\tNB_TB_TX_CONTROL %d\tNB_TX_TB_RETRANS %d",
                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                             tx_data_pdu,
                             tx_control_pdu,
                             tx_retransmit_pdu);
                len+=sprintf(&buffer[len],"\tRLC LCHAN %d, NB_TX_TB_RETRANS_BY_STATUS = %d\tNB_TX_TB_RETRANS_PADD %d\n",
                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                             tx_retransmit_pdu_by_status,
                             tx_retransmit_pdu_unblock);
                len+=sprintf(&buffer[len],"RLC LCHAN %d, NB_RX_DATA = %d\tNB_RX_TB_OUT_WIN %d\tNB_RX_TB_CORRUPT %d\n",
                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                             rx_data_pdu,
                             rx_data_pdu_out_of_window,
                             rx_error_pdu);
              }

              len+=sprintf(&buffer[len],"[MAC]: LCHAN %d, NB_TX_MAC = %d (%d bits/TTI, %d kbits/s), NB_RX_MAC = %d (%d errors)\n",
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.Lchan_id.Index,
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_TX,
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate,
                           (10*UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.output_rate)>>5,
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX,
                           UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_ERRORS);
              len+=sprintf(&buffer[len],"        TX per TB: ");

547
              for(kk=0; kk<MAX_NUMBER_TB_PER_LCHAN/2; kk++) {
548
                len+=sprintf(&buffer[len],"%d . ",UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_TX_TB[kk]);
549
              }
550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565

              len+=sprintf(&buffer[len],"\n");
              len+=sprintf(&buffer[len],"        RXerr per TB: ");

              for(kk=0; kk<MAX_NUMBER_TB_PER_LCHAN/2; kk++)
                len+=sprintf(&buffer[len],"%d/%d . ",UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_ERRORS_TB[kk],
                             UE_mac_inst[Mod_id].Dtch_lchan[i][CH_index].Lchan_info.NB_RX_TB[kk]);

              len+=sprintf(&buffer[len],"\n");



            }

          }
        }
566
      }
567

568
#endif //PHY_EMUL_ONE_MACHINE
569
    } else if(Mac_rlc_xface->Is_cluster_head[k] ==1) {
570

571
      Mod_id=k;
572 573
      len+=sprintf(&buffer[len],
                   "-------------------------------------------------------------------CH %d: TTI: %d------------------------------------------------------------------\n",
574 575 576 577 578 579 580 581 582
                   NODE_ID[Mod_id],Mac_rlc_xface->frame);

      for(i=1; i<=NB_CNX_CH; i++) {
        if (CH_mac_inst[Mod_id].Dcch_lchan[i].Active==1) {
          len+=sprintf(&buffer[len],"\nMR index %d: DL SINR (feedback) %d dB, CQI: %s\n\n",
                       i,//CH_rrc_inst[Mod_id].Info.UE_list[i].L2_id[0],
                       CH_mac_inst[Mod_id].Def_meas[i].Wideband_sinr,
                       print_cqi(CH_mac_inst[Mod_id].Def_meas[i].cqi));

583 584
          len+=sprintf(&buffer[len],
                       "[MAC] LCHAN %d (DCCH), NB_TX_MAC= %d (%d bits/TTI, %d kbits/s), NB_RX_MAC= %d (errors %d, sacch errors %d, sach errors %d, sach_missing %d)\n\n",
585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.Lchan_id.Index,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_TX,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.output_rate,
                       (10*CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.output_rate)>>5,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_ERRORS,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACCH_ERRORS,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACH_ERRORS,
                       CH_mac_inst[Mod_id].Dcch_lchan[i].Lchan_info.NB_RX_SACH_MISSING);

          for(j=0; j<NB_RAB_MAX; j++) {
            if (CH_mac_inst[Mod_id].Dtch_lchan[j][i].Active==1) {
              Overhead=CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate - Pdcp_stats_tx_rate[k][i][j];

              if(Overhead<0) {
                Overhead=-Overhead;
                Sign=-1;
602 603 604
              } else {
                Sign=1;
              }
605

606 607
              len+=sprintf(&buffer[len],
                           "[PDCP]LCHAN %d: NB_TX = %d ,Tx_rate =(%d bits/TTI ,%d Kbits/s), NB_RX = %d ,Rx_rate =(%d bits/TTI ,%d Kbits/s), LAYER2 TX OVERHEAD= %d Kbits/s\n",
608 609 610 611 612 613 614 615 616
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
                           Pdcp_stats_tx[k][i][j],
                           Pdcp_stats_tx_rate[k][i][j],
                           (10*Pdcp_stats_tx_rate[k][i][j])>>5,
                           Pdcp_stats_rx[k][i][j],
                           Pdcp_stats_rx_rate[k][i][j],
                           (10*Pdcp_stats_rx_rate[k][i][j])>>5,
                           Sign*(10*Overhead)>>5);
              int status =  rlc_stat_req     (k,
617
                                              CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652
                                              &tx_pdcp_sdu,
                                              &tx_pdcp_sdu_discarded,
                                              &tx_retransmit_pdu_unblock,
                                              &tx_retransmit_pdu_by_status,
                                              &tx_retransmit_pdu,
                                              &tx_data_pdu,
                                              &tx_control_pdu,
                                              &rx_sdu,
                                              &rx_error_pdu,
                                              &rx_data_pdu,
                                              &rx_data_pdu_out_of_window,
                                              &rx_control_pdu) ;
              /*
              if (status == RLC_OP_STATUS_OK) {
              len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_SDU_TO_TX = %d\tNB_SDU_DISC %d\tNB_RX_SDU %d\n",
                  CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
               tx_pdcp_sdu,
               tx_pdcp_sdu_discarded,
               rx_sdu);
              len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_TB_TX_DATA = %d\tNB_TB_TX_CONTROL %d\tNB_TX_TB_RETRANS %\n",
                  CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
               tx_data_pdu,
               tx_control_pdu,
               tx_retransmit_pdu);
              len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_TX_TB_RETRANS_BY_STATUS = %d\tNB_TX_TB_RETRANS_PADD %d\n",
                  CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
               tx_retransmit_pdu_by_status,
               tx_retransmit_pdu_unblock);
              len+=sprintf(&buffer[len],"\t[RLC] LCHAN %d, NB_RX_DATA = %d\tNB_RX_TB_OUT_WIN %d\tNB_RX_TB_CORRUPT %d\n",
                  CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
               rx_data_pdu,
               rx_data_pdu_out_of_window,
               rx_error_pdu);
              }
              */
653 654
              len+=sprintf(&buffer[len],
                           "[MAC]LCHAN %d (CNX %d,RAB %d), NB_TX_MAC= %d (%d bits/TTI, %d kbit/s), NB_RX_MAC= %d (errors %d, sacch_errors %d, sach_errors %d, sach_missing %d)\n",
655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Lchan_id.Index,
                           i,j,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_TX,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate,
                           (10*CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.output_rate)>>5,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_ERRORS,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACCH_ERRORS,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACH_ERRORS,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_SACH_MISSING);
              len+=sprintf(&buffer[len],"[MAC][SCHEDULER] TX Arrival Rate %d, TX Service Rate %d, RX Arrival rate %d, RX Service rate %d, NB_BW_REQ_RX %d\n\n",
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Arrival_rate,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Tx_rate,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Req_rate,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.Rx_rate,
                           CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_BW_REQ_RX);

              /*
                      len+=sprintf(&buffer[len],"        TX per TB: ");
                      for(kk=0;kk<MAX_NUMBER_TB_PER_LCHAN/2;kk++)
                  len+=sprintf(&buffer[len],"%d.",CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_TX_TB[kk]);
                      len+=sprintf(&buffer[len],"\n");
                      len+=sprintf(&buffer[len],"        RXerr per TB: ");
                      for(kk=0;kk<MAX_NUMBER_TB_PER_LCHAN/2;kk++)
                  len+=sprintf(&buffer[len],"%d/%d . ",CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_ERRORS_TB[kk],
                         CH_mac_inst[Mod_id].Dtch_lchan[j][i].Lchan_info.NB_RX_TB[kk]);
                      len+=sprintf(&buffer[len],"\n");
              */
            }
          }
        }
686
      }
687

688 689
    }
  }
690 691

  return len;
692 693 694 695 696 697 698 699 700 701 702 703 704 705
}

#ifndef USER_MODE
static struct proc_dir_entry *proc_openair2_root;
/*
 * Initialize the module and add the /proc file.
 */
int add_openair2_stats()
{
  struct proc_dir_entry *pde;

  proc_openair2_root = proc_mkdir("openair2",0);
  // pde = proc_create_entry("lchan_stats", S_IFREG | S_IRUGO, proc_openair2_root);
  pde = proc_create_data("lchan_stats", S_IFREG | S_IRUGO, proc_openair2_root, NULL,openair2_stats_read);
706

707
  if (!pde) {
708
    printk("[OPENAIR][ERROR] can't create proc entry !\n");
709
  }
710

711 712 713 714 715 716 717 718 719 720 721
  return 0;
}
/*
 * Unregister the file when the module is closed.
 */
void remove_openair_stats()
{

  if (proc_openair2_root) {
    printk("[OPENAIR][CLEANUP] Removing openair proc entry\n");
    remove_proc_entry("lchan_stats", proc_openair2_root);
722

723 724 725
  }
}
#endif
726
#endif