/***************************************************************************
                          nasrg_variables.h  -  description
 ***************************************************************************
  Eurecom OpenAirInterface 2
  Copyright(c) 1999 - 2013 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, 450 route des Chappes, 06410 Biot Sophia Antipolis, France
*******************************************************************************/
/*! \file nasrg_variables.h
* \brief Variable and structure definitions for OpenAirInterface CELLULAR version - RG
* \author  michelle.wetterwald, navid.nikaein, raymond.knopp, Lionel Gauthier
* \company Eurecom
* \email: michelle.wetterwald@eurecom.fr, raymond.knopp@eurecom.fr, navid.nikaein@eurecom.fr,  lionel.gauthier@eurecom.fr
*/
/*******************************************************************************/
#ifndef _NASRGD_VAR_H
#define _NASRGD_VAR_H

#include <linux/if_arp.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/ipv6.h>
#include <linux/ip.h>
#include <linux/sysctl.h>
#include <linux/timer.h>
#include <linux/unistd.h>
//#include <asm/unistd.h>
#include <asm/param.h>
//#include <sys/sysctl.h>
#include <linux/udp.h>
#include <linux/tcp.h>
#include <linux/icmp.h>
#include <linux/icmpv6.h>
#include <linux/in.h>
#include <net/ndisc.h>

#include "rrc_nas_primitives.h"
#include "rrc_qos_classes.h"
#include "rrc_nas_sap.h"

#include "nasrg_constant.h"
#include "nasrg_sap.h"

struct cx_entity;

struct rb_entity {
  //  uint16_t default_rab;
  uint32_t   cnxid;
  nasRadioBearerId_t rab_id;  //ue_rbId
  nasRadioBearerId_t rg_rbId;
  nasRadioBearerId_t mbms_rbId;
  nasSapId_t sapi;
  nasQoSTrafficClass_t qos;
  nasQoSTrafficClass_t RadioQosClass;
  nasIPdscp_t dscp;  //this is DL dscp
  nasIPdscp_t dscp_ul;
  uint8_t state;
  uint8_t result;
  uint8_t retry;
  uint32_t countimer;
  //for MBMS
  uint16_t serviceId;
  uint16_t sessionId;
  uint16_t duration;
  uint8_t  mcast_address[16];
  //
  struct rb_entity *next;
};

struct classifier_entity {
  uint32_t classref;               // classifier identity
  uint8_t version;                 // IP version 4 or 6
  union {
    struct in6_addr ipv6;
    uint32_t ipv4;
  } saddr;                    // IP source address
  uint8_t splen;                   // IP prefix size
  union {
    struct in6_addr ipv6;
    uint32_t ipv4;
  } daddr;                    // IP destination address
  uint8_t dplen;                   // IP prefix size
  uint8_t protocol;                 // layer 4 protocol type (tcp, udp, ...)
  uint16_t sport;                   // source port
  uint16_t dport;                   // destination port
  struct rb_entity *rb;
  nasRadioBearerId_t rab_id;  // RAB identification
  void (*fct)(struct sk_buff *skb, struct cx_entity *cx, struct classifier_entity *gc);
  struct classifier_entity *next;
};


struct cx_entity {
  int sap[NAS_SAPI_CX_MAX];
  uint8_t state;                     // state of the connection
  nasLocalConnectionRef_t lcr;  // Local connection reference
  nasCellID_t cellid;            // cell identification
  uint32_t countimer;                // timeout's counter
  uint8_t retry;                      // number of retransmissions
  struct classifier_entity *sclassifier[NAS_DSCP_MAX]; // send classifiers table
  uint16_t nsclassifier;
  uint32_t iid6[2];                   // IPv6  interface identification
  uint8_t iid4;                       // IPv4 interface identification
  struct rb_entity *rb;         // RB entities for RABs
  uint16_t num_rb;
  // MW - 17/5/05
  int  ue_id;
  int rrc_state;
  // MBMS
  int requested_joined_services[NASRG_MBMS_SVCES_MAX];
  int requested_left_services[NASRG_MBMS_SVCES_MAX];
  int joined_services[NASRG_MBMS_SVCES_MAX];
};

//struct mbms_rb_entity{
//  uint32_t   cnxid;
//  nasRadioBearerId_t mbms_rbId;
//  nasSapId_t sapi;
//  nasQoSTrafficClass_t qos;
//  nasQoSTrafficClass_t RadioQosClass;
//  uint8_t state;
//  uint8_t result;
//  uint8_t retry;
//  uint32_t countimer;
//
//  uint16_t serviceId;
//  uint16_t sessionId;
//  uint16_t duration;
//};
//

struct nas_priv {
  int irq;
  int rx_flags;
  struct timer_list timer;
  spinlock_t lock;
  struct net_device_stats stats;
  uint8_t retry_limit;
  uint32_t timer_establishment;
  uint32_t timer_release;
  struct cx_entity cx[NAS_CX_MAX];
  struct classifier_entity *rclassifier[NAS_DSCP_MAX]; // receive classifier
  int nrclassifier;
  uint32_t next_sclassref;
  int sap[NAS_SAPI_MAX];
  uint8_t xbuffer[NAS_MAX_LENGTH]; // transmission buffer
  uint8_t rbuffer[NAS_MAX_LENGTH]; // reception buffer
  // MW - 17/5/05
  int broadcast_counter;
  int SIB18_counter;
  // MBMS
  struct rb_entity mbms_rb[NASRG_MBMS_SVCES_MAX];
  struct classifier_entity *mbmsclassifier[NASRG_MBMS_SVCES_MAX]; // mbms classifier
  int nmbmsclassifier;
  uint32_t next_mbmsclassref;
  //Added for demo 3 - MW
  nasCellID_t measured_cell_id;
  uint16_t num_UEs;
  uint32_t rlcBufferOccupancy[NAS_CX_MAX];
  uint32_t scheduledPRB[NAS_CX_MAX];
  uint32_t totalDataVolume[NAS_CX_MAX];
  uint32_t totalNumPRBs;
};

struct ipversion {
#if defined(__LITTLE_ENDIAN_BITFIELD)
  uint8_t    reserved:4,
             version:4;
#else
  uint8_t    version:4,
             reserved:4;
#endif
};

typedef struct pdcp_data_req_header_t {
  unsigned int             rb_id;
  unsigned int           data_size;
  int            inst;
} pdcp_data_req_header_t;

typedef struct pdcp_data_ind_header_t {
  unsigned int            rb_id;
  unsigned int           data_size;
  int            inst;
} pdcp_data_ind_header_t;
//
extern struct nas_priv *gpriv;
extern struct net_device *gdev;
//extern int bytes_wrote;
//extern int bytes_read;

extern uint8_t NAS_RG_IMEI[14];
extern uint8_t NAS_NULL_IMEI[14];

//global variables shared with RRC
extern int *pt_nas_rg_irq;
//extern uint16_t *pt_rg_own_cell_id;
extern uint16_t local_rg_cell_id;
#endif
