/*
 * 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
 */

/*
                                enb_config.h
                             -------------------
  AUTHOR  : Lionel GAUTHIER, Navid Nikaein, Laurent Winckel
  COMPANY : EURECOM
  EMAIL   : Lionel.Gauthier@eurecom.fr, navid.nikaein@eurecom.fr
*/

#ifndef ENB_CONFIG_H_
#define ENB_CONFIG_H_
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <libconfig.h>

#include "commonDef.h"
#include "platform_types.h"
#include "platform_constants.h"
#include "PHY/impl_defs_lte.h"
#include "PHY/defs.h"
#include "s1ap_messages_types.h"
#ifdef CMAKER
#include "SystemInformationBlockType2.h"
#include "rrc_messages_types.h"
#else
#include "RRC/LITE/MESSAGES/SystemInformationBlockType2.h"
#endif

#define IPV4_STR_ADDR_TO_INT_NWBO(AdDr_StR,NwBo,MeSsAgE ) do {\
            struct in_addr inp;\
            if ( inet_aton(AdDr_StR, &inp ) < 0 ) {\
                AssertFatal (0, MeSsAgE);\
            } else {\
                NwBo = inp.s_addr;\
            }\
        } while (0);

/** @defgroup _enb_app ENB APP 
 * @ingroup _oai2
 * @{
 */

// Hard to find a defined value for max enb...
#define MAX_ENB 16


typedef struct mme_ip_address_s {
  unsigned  ipv4:1;
  unsigned  ipv6:1;
  unsigned  active:1;
  char     *ipv4_address;
  char     *ipv6_address;
} mme_ip_address_t;

typedef struct rrh_gw_config_s {
  unsigned  udp:1;
  unsigned  raw:1;
  unsigned  active:1;
  char      *rrh_gw_if_name;
  char     *local_address;
  char     *remote_address;
  uint16_t  local_port;
  uint16_t  remote_port;
  uint8_t   udpif4p5;
  uint8_t   rawif4p5;
  uint8_t   rawif5_mobipass;
  int tx_scheduling_advance;
  int tx_sample_advance;
  int iq_txshift;
  unsigned  exmimo:1;
  unsigned  usrp_b200:1;
  unsigned  usrp_x300:1;
  unsigned  bladerf:1; 
  unsigned  lmssdr:1;  
} rrh_gw_config_t;

typedef struct Enb_properties_s {
  /* Unique eNB_id to identify the eNB within EPC.
   * For macro eNB ids this field should be 20 bits long.
   * For home eNB ids this field should be 28 bits long.
   */
  uint32_t            eNB_id;

  /* The type of the cell */
  enum cell_type_e    cell_type;

  /* Optional name for the cell
   * NOTE: the name can be NULL (i.e no name) and will be cropped to 150
   * characters.
   */
  char               *eNB_name;


  /* Tracking area code */
  uint16_t            tac;

  /* Mobile Country Code
   * Mobile Network Code
   */
  uint16_t            mcc;
  uint16_t            mnc;
  uint8_t             mnc_digit_length;



  /* Physical parameters */
  int16_t                 nb_cc;
#ifndef OCP_FRAMEWORK
  eNB_func_t              cc_node_function[1+MAX_NUM_CCs];
  eNB_timing_t            cc_node_timing[1+MAX_NUM_CCs];
  int16_t                 cc_node_synch_ref[1+MAX_NUM_CCs];
  lte_frame_type_t        frame_type[1+MAX_NUM_CCs];
  uint8_t                 tdd_config[1+MAX_NUM_CCs];
  uint8_t                 tdd_config_s[1+MAX_NUM_CCs];
  lte_prefix_type_t       prefix_type[1+MAX_NUM_CCs];
  int16_t                 eutra_band[1+MAX_NUM_CCs];
  uint64_t                downlink_frequency[1+MAX_NUM_CCs];
  int32_t                 uplink_frequency_offset[1+MAX_NUM_CCs];

  int16_t                 Nid_cell[1+MAX_NUM_CCs];// for testing, change later
  int16_t                 N_RB_DL[1+MAX_NUM_CCs];// for testing, change later
  int                     nb_antenna_ports[1+MAX_NUM_CCs];
  int                     nb_antennas_tx[1+MAX_NUM_CCs];
  int                     nb_antennas_rx[1+MAX_NUM_CCs];
  int                     tx_gain[1+MAX_NUM_CCs];
  int                     rx_gain[1+MAX_NUM_CCs];
  long                    prach_root[1+MAX_NUM_CCs];
  long                    prach_config_index[1+MAX_NUM_CCs];
  BOOLEAN_t               prach_high_speed[1+MAX_NUM_CCs];
  long                    prach_zero_correlation[1+MAX_NUM_CCs];
  long                    prach_freq_offset[1+MAX_NUM_CCs];
  long                    pucch_delta_shift[1+MAX_NUM_CCs];
  long                    pucch_nRB_CQI[1+MAX_NUM_CCs];
  long                    pucch_nCS_AN[1+MAX_NUM_CCs];
#ifndef Rel10
  long                    pucch_n1_AN[1+MAX_NUM_CCs];
#endif
  long                    pdsch_referenceSignalPower[1+MAX_NUM_CCs];
  long                    pdsch_p_b[1+MAX_NUM_CCs];
  long                    pusch_n_SB[1+MAX_NUM_CCs];
  long                    pusch_hoppingMode[1+MAX_NUM_CCs];
  long                    pusch_hoppingOffset[1+MAX_NUM_CCs];
  BOOLEAN_t               pusch_enable64QAM[1+MAX_NUM_CCs];
  BOOLEAN_t               pusch_groupHoppingEnabled[1+MAX_NUM_CCs];
  long                    pusch_groupAssignment[1+MAX_NUM_CCs];
  BOOLEAN_t               pusch_sequenceHoppingEnabled[1+MAX_NUM_CCs];
  long                    pusch_nDMRS1[1+MAX_NUM_CCs];
  long                    phich_duration[1+MAX_NUM_CCs];
  long                    phich_resource[1+MAX_NUM_CCs];
  BOOLEAN_t               srs_enable[1+MAX_NUM_CCs];
  long                    srs_BandwidthConfig[1+MAX_NUM_CCs];
  long                    srs_SubframeConfig[1+MAX_NUM_CCs];
  BOOLEAN_t               srs_ackNackST[1+MAX_NUM_CCs];
  BOOLEAN_t               srs_MaxUpPts[1+MAX_NUM_CCs];
  long                    pusch_p0_Nominal[1+MAX_NUM_CCs];
  long                    pusch_alpha[1+MAX_NUM_CCs];
  long                    pucch_p0_Nominal[1+MAX_NUM_CCs];
  long                    msg3_delta_Preamble[1+MAX_NUM_CCs];
  long                    ul_CyclicPrefixLength[1+MAX_NUM_CCs];
  e_DeltaFList_PUCCH__deltaF_PUCCH_Format1                    pucch_deltaF_Format1[1+MAX_NUM_CCs];
  e_DeltaFList_PUCCH__deltaF_PUCCH_Format1b                   pucch_deltaF_Format1b[1+MAX_NUM_CCs];
  e_DeltaFList_PUCCH__deltaF_PUCCH_Format2                    pucch_deltaF_Format2[1+MAX_NUM_CCs];
  e_DeltaFList_PUCCH__deltaF_PUCCH_Format2a                   pucch_deltaF_Format2a[1+MAX_NUM_CCs];
  e_DeltaFList_PUCCH__deltaF_PUCCH_Format2b                   pucch_deltaF_Format2b[1+MAX_NUM_CCs];
  long                    rach_numberOfRA_Preambles[1+MAX_NUM_CCs];
  BOOLEAN_t               rach_preamblesGroupAConfig[1+MAX_NUM_CCs];
  long                    rach_sizeOfRA_PreamblesGroupA[1+MAX_NUM_CCs];
  long                    rach_messageSizeGroupA[1+MAX_NUM_CCs];
  e_RACH_ConfigCommon__preambleInfo__preamblesGroupAConfig__messagePowerOffsetGroupB                    rach_messagePowerOffsetGroupB[1+MAX_NUM_CCs];
  long                    rach_powerRampingStep[1+MAX_NUM_CCs];
  long                    rach_preambleInitialReceivedTargetPower[1+MAX_NUM_CCs];
  long                    rach_preambleTransMax[1+MAX_NUM_CCs];
  long                    rach_raResponseWindowSize[1+MAX_NUM_CCs];
  long                    rach_macContentionResolutionTimer[1+MAX_NUM_CCs];
  long                    rach_maxHARQ_Msg3Tx[1+MAX_NUM_CCs];
  long                    bcch_modificationPeriodCoeff[1+MAX_NUM_CCs];
  long                    pcch_defaultPagingCycle[1+MAX_NUM_CCs];
  long                    pcch_nB[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_t300[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_t301[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_t310[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_t311[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_n310[1+MAX_NUM_CCs];
  long                    ue_TimersAndConstants_n311[1+MAX_NUM_CCs];
#else
   RrcConfigurationReq    RrcReq;
#endif
  long                    ue_TransmissionMode[1+MAX_NUM_CCs];
  long                    srb1_timer_poll_retransmit;
  long                    srb1_timer_reordering;
  long                    srb1_timer_status_prohibit;
  long                    srb1_poll_pdu;
  long                    srb1_poll_byte;
  long                    srb1_max_retx_threshold;
  /* Nb of MME to connect to */
  uint8_t             nb_mme;
  /* List of MME to connect to */
  mme_ip_address_t    mme_ip_address[S1AP_MAX_NB_MME_IP_ADDRESS];

  int                 sctp_in_streams;
  int                 sctp_out_streams;

  char               *enb_interface_name_for_S1U;
  in_addr_t           enb_ipv4_address_for_S1U;
  tcp_udp_port_t      enb_port_for_S1U;

  char               *enb_interface_name_for_S1_MME;
  in_addr_t           enb_ipv4_address_for_S1_MME;

  char               *flexran_agent_interface_name;
  in_addr_t           flexran_agent_ipv4_address;
  tcp_udp_port_t      flexran_agent_port;
  char               *flexran_agent_cache;

  /* Nb of RRH to connect to */
  uint8_t             nb_rrh_gw;
  char               *rrh_gw_if_name;
  /* List of MME to connect to */
  rrh_gw_config_t       rrh_gw_config[4];

#ifndef OCP_FRAMEWORK
  // otg config
  /* Nb of OTG elements */
  uint8_t            num_otg_elements;
  /* element config*/
  uint16_t          otg_ue_id[NB_MODULES_MAX+1];
  uint8_t          otg_app_type[NB_MODULES_MAX+1];
  uint8_t            otg_bg_traffic[NB_MODULES_MAX+1];
  // log config
  int16_t           glog_level;
  int16_t           glog_verbosity;
  int16_t           hw_log_level;
  int16_t           hw_log_verbosity;
  int16_t           phy_log_level;
  int16_t           phy_log_verbosity;
  int16_t           mac_log_level;
  int16_t           mac_log_verbosity;
  int16_t           rlc_log_level;
  int16_t           rlc_log_verbosity;
  int16_t           pdcp_log_level;
  int16_t           pdcp_log_verbosity;
  int16_t           rrc_log_level;
  int16_t           rrc_log_verbosity;
  int16_t           gtpu_log_level;
  int16_t           gtpu_log_verbosity;
  int16_t           udp_log_level;
  int16_t           udp_log_verbosity;
  int16_t           osa_log_level;
  int16_t           osa_log_verbosity;
#endif
} Enb_properties_t;

typedef struct Enb_properties_array_s {
  int                  number;
  Enb_properties_t    *properties[MAX_ENB];
} Enb_properties_array_t;

void                          enb_config_display(void);
const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP);

const Enb_properties_array_t *enb_config_get(void);

#endif /* ENB_CONFIG_H_ */
/** @} */
