Remove vcgn plugin

Change-Id: I79f18ec386dedd91a8dcea2ca5726208b7b3c67c
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 701 deletions

diff --git a/plugins/vcgn-plugin/vcgn/cnat_db.h b/plugins/vcgn-plugin/vcgn/cnat_db.h
deleted file mode 100644
index 3596e2384e6..00000000000
--- a/plugins/vcgn-plugin/vcgn/cnat_db.h
+++ /dev/null
@@ -1,701 +0,0 @@
-/* 
- *------------------------------------------------------------------
- * cnat_db.h - translation database definitions
- *
- * Copyright (c) 2007-2013 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- *------------------------------------------------------------------
- */
-
-#ifndef __CNAT_DB_H__
-#define __CNAT_DB_H__
-
-#include "cnat_cli.h"
-#include "cnat_ports.h"
-#include "index_list.h"
-
-#define VRF_NAME_LEN_STORED     12
-#define MAX_VRFID               400
-typedef struct _cnat_svi_params_entry {
-    u16 svi_type;
-    u16 pad;
-
-    u32 vrf_id;
-    u16 if_num;
-
-    u32 ipv6_addr[4];
-    u32 ipv4_addr;
-    
-    u8  direction;
-    u32 tbl_id; /* vrf */
-    u32 vrf_override_id; /* tbl_id for override vrf */
-    u8  vrf_override_flag;
-    u8  partition_id;
-} cnat_svi_params_entry;
-
-typedef struct _cnat_ingress_vrfid_name_entry {
-    u32 vrf_id;
-    u16 ref_count;  /*no# of serviceApps under a single vrf*/
-    u8  vrf_name[VRF_NAME_LEN_STORED];
-    u16 pad1;
-} cnat_ingress_vrfid_name_entry;
-#define HASH_ENHANCE 4
-
-#define CNAT_DB_SIZE	(PLATFORM_MAX_NAT_ENTRIES / PLATFORM_CNAT_INSTS)
-#define CNAT_MAIN_HASH_SIZE (HASH_ENHANCE * PLATFORM_CNAT_MAIN_PRELIM_HASH_SIZE)
-#define CNAT_MAIN_HASH_MASK (CNAT_MAIN_HASH_SIZE-1)
-
-#define CNAT_USER_DB_SIZE (PLATFORM_MAX_USER_ENTRIES / PLATFORM_CNAT_INSTS)
-#define CNAT_USER_HASH_SIZE (HASH_ENHANCE * PLATFORM_CNAT_USER_PRELIM_HASH_SIZE)
-#define CNAT_USER_HASH_MASK (CNAT_USER_HASH_SIZE-1)
-
-#define CNAT_SESSION_DB_SIZE  (PLATFORM_MAX_NAT_ENTRIES / PLATFORM_CNAT_INSTS)
-#define CNAT_SESSION_HASH_SIZE (HASH_ENHANCE * PLATFORM_CNAT_MAIN_PRELIM_HASH_SIZE)
-#define CNAT_SESSION_HASH_MASK (CNAT_SESSION_HASH_SIZE-1)
-
-
-#define CNAT_MAX_SESSIONS_PER_BIB  0xFFFF
-
-#define NUM_BITS_IN_UWORD   (8*sizeof(uword))
-
-/* No. of per ip/port config will be limited to 1024 */
-#define CNAT_TIMEOUT_HASH_SIZE 1024
-#define CNAT_TIMEOUT_HASH_MASK (CNAT_TIMEOUT_HASH_SIZE - 1)
-#define CNAT_TIMEOUT_FULL_MASK 0xFFFFFFFFFFFFFFFF
-#define CNAT_TIMEOUT_IPPROT_MASK PLATFORM_CNAT_TIMEOUT_IPPROT_MASK
-#define CNAT_TIMEOUT_PORTPROT_MASK PLATFORM_CNAT_TIMEOUT_PORTPROT_MASK
-
-#define TRUE    1
-#define FALSE   0
-
-/*
- * The key structure. All fields are in NETWORK byte order! 
- */
-typedef struct {
-    u32 ipv4;
-    u16 port;
-    u16 vrf;  //bit0-12:vrf, bit13:unused, bit14-15:protocol
-} cnat_db_key_t;
-
-/* bit14-15:protocol in cnat_db_key_t */
-#define CNAT_INVALID_PROTO     0x0000
-#define CNAT_PPTP     0x0000 
-#define CNAT_UDP      0x4000
-#define CNAT_TCP      0x8000
-#define CNAT_ICMP     0xc000
-#define CNAT_VRF_MASK 0x3fff
-#define CNAT_PRO_MASK 0xc000
-#define CNAT_PRO_SHIFT 14
-
-/*
- * Maximum number of VRF entries supported
- */
-#define CNAT_MAX_VRFMAP_ENTRIES  (CNAT_VRF_MASK + 1)
-/*
- * for hashing purposes, fetch the key in one instr.
- */
-typedef union {
-    cnat_db_key_t k;
-    u64 key64;
-} cnat_key_t;
-
-typedef struct {
-    cnat_key_t k; 
-    u32 bucket; 
-} cnat_db_key_bucket_t;
-
-typedef struct {
-    u32 ipv6[4];
-    cnat_key_t ipv4_key;
-} dslite_key_t;
-
-typedef struct {
-/*
-    cnat_db_key_bucket_t ck;
-    u32 ipv6[4];
-*/
-    dslite_key_t dk;
-    u32 bucket;
-} dslite_db_key_bucket_t;
-
-
-/* Per port/ip timeout related strucutres */
-extern index_slist_t *cnat_timeout_hash;
-
-typedef struct {
-    cnat_key_t timeout_key;
-    u16        timeout_value;
-} cnat_timeout_t;
-
-typedef struct {
-    cnat_timeout_t t_key; 
-    index_slist_t t_hash;
-} cnat_timeout_db_entry_t;
-
-extern cnat_timeout_db_entry_t *cnat_timeout_db;
-
-/*
- * Main translation database entries. Currently 0x5A = 90 bytes in length.
- * Given 20,000,000 entries, it saves nearly 1gb of SDRAM to pack the entries
- * and pay the extra prefetch. So, that's what we do.
- */
-
-typedef struct {
-    /* 0x00 */
-    index_slist_t out2in_hash;  /* hash-and-chain, x2 */
-    index_slist_t in2out_hash; 
-
-    /* 0x08 */
-    u16 flags;                  /* Always need flags... */
-#define CNAT_DB_FLAG_PORT_PAIR              (1<<0)
-#define CNAT_DB_FLAG_TCP_ACTIVE             (1<<1)
-#define CNAT_DB_FLAG_ENTRY_FREE             (1<<2)
-#define CNAT_DB_FLAG_UDP_ACTIVE             (1<<3)
-#define CNAT_DB_FLAG_STATIC_PORT            (1<<4)
-/* This alg entry is set for FTP data connection */
-#define CNAT_DB_FLAG_ALG_ENTRY              (1<<5)
-
-/* Will be set for TCP connection with destination port - 1723
- * note - here CNAT_DB_FLAG_TCP_ACTIVE is also set */
-#define CNAT_DB_FLAG_PPTP_TUNNEL_INIT       (1<<6)
-#define CNAT_DB_FLAG_PPTP_TUNNEL_ACTIVE     (1<<7)
-
-/* for PPTP GRE  packtes */
-#define CNAT_DB_FLAG_PPTP_GRE_ENTRY         (1<<8)
-
-/* for PCP support */
-#define CNAT_DB_FLAG_PCPI                   (1<<9)
-#define CNAT_DB_FLAG_PCPE                   (1<<10)
-#define CNAT_PCP_FLAG  (CNAT_DB_FLAG_PCPI | CNAT_DB_FLAG_PCPE)
-
-#define CNAT_TAC_SEQ_MISMATCH               (1<<11)
-/* This alg entry is set for ftp control connection */
-#define CNAT_DB_FLAG_ALG_CTRL_FLOW          (1<<12)
-
-/* This is for marking the state where connection is closing */
-#define CNAT_DB_FLAG_TCP_CLOSING            (1<<13)
-
-#define CNAT_DB_DSLITE_FLAG                 (1<<14)
-#define CNAT_DB_NAT64_FLAG                  (1<<15)
-
-    /* 0x0A */
-    u16 vrfmap_index;           /* index of vrfmap */
-
-    /* 0x0C */
-    u32 user_index;             /* index of user that owns this entry */
-
-    /* 0x10 */
-    cnat_key_t out2in_key;      /* network-to-user, outside-to-inside key */
-
-    /* 0x18 */
-    cnat_key_t in2out_key;      /* user-to-network, inside-to-outside key */
-
-    /* 0x20 */
-    index_dlist_t user_ports;   /* per-user translation list */
-
-    /* 0x28 */
-    u32 out2in_pkts;            /* pkt counters */
-
-    /* 0x2C */
-    u32 in2out_pkts;
-
-    /* 0x30 */
-    u32 entry_expires;     /* timestamp used to expire translations */
-   
-    /* 0x34 */
-    union {                     /* used by FTP ALG, pkt len delta due to FTP PORT cmd */
-    u16 delta;             
-    i8  alg_dlt[2];             /* two delta values, 0 for previous, 1 for current */
-    u16 il;                     /* Used to indicate if interleaved mode is used
-                                   in case of RTSP ALG */
-    } alg;
-
-    /* 0x36 */
-    u16 timeout;
-
-    /* 0x38 */
-    union {
-      struct seq_pcp_t { 
-        u32 tcp_seq_num;            /* last tcp (FTP) seq # that has pkt len change due to PORT */
-        u32 pcp_lifetime;     /* peer and map life time value sent in reply*/
-      } seq_pcp; 
-
-      /* This is for TCP seq check */
-      struct tcp_seq_chk_t {
-	 u32 seq_no;
-	 u32 ack_no;
-      } tcp_seq_chk;	 
-
-     /* used for pptp alg entries
-         1. only tunnel     : prev and next = 0xFFFFFFFF
-         2. first gre entry : prev = tunnel db, next = next gre db 
-         3. last gre entry  : prev = previous gre/tunnel db, next= 0xFFFFFFFF;  
-
-         *while adding gre entry- updated at the begining of head
-         *while deleting gre entry -  hash look up will be done and prev and next are adjusted
-         * while deleting need not traverse throufgh the list, as done in index_dlist_remelem
-  
-      */
-      index_dlist_t pptp_list; 
-
-    } proto_data; 
-
-    /* 0x40 */ 
-    u32 dst_ipv4;               /* pointer to ipv4 dst list, used in evil mode */
-
-    /* 0x44 */
-    u16 dst_port;
-
-    /* 0x46  */
-    u16 dslite_nat44_inst_id;
-
-    /* 0x48  */
-    u32 session_head_index;
-
-    /* 0x4C */
-    u16 nsessions;
-
-    /* 0x4E */
-    u8 unused;
-
-    /* 0x4F */
-    u8 scale;
-
-    /* 0x50 */
-    u32 diff_window;
-
-    /* Sizeof cnat_main_db_entry_t = 0x54  */
-} cnat_main_db_entry_t;
-
-/* Caution ...
- * 1. The size of this structure should be same as that of 
- * nat64_bib_user_entry_t 
- * 2. Do not alter the position of first four fields
- */
-typedef struct {
-    /* 0x00 */
-    index_slist_t user_hash;    /* hash 'n chain bucket chain */
-
-    /* 0x04 */
-    u16 ntranslations;          /* translations hold by this user */
-
-    /* 0x06 */
-    u8 icmp_msg_count;          /* use to rate limit imcp send to this user */
- 
-    /* 0x07 */
-    u8 flags;                  /* To identfiy whether it is NAT64 or NAT44 etc */
-#define CNAT_USER_DB_NAT44_FLAG 0
-#define CNAT_USER_DB_NAT64_FLAG 1
-#define CNAT_USER_DB_DSLITE_FLAG 2
-#define CNAT_USER_DB_PORT_LIMIT_EXCEEDED  0X80
-
-    /* 0x08 */
-    u32 translation_list_head_index;
-
-    /* 0x0C */
-    u32 portmap_index;          /* index of bound port-map */
-
-    /* 0x10 */
-    cnat_key_t key; /* For dslite this should store IPv6 address */
-    u32 ipv6[4]; // B4 ipv6 address
-    /* 0x18 */
-#if 0
-    u32 temp1; 
-    u32 temp2; 
-    u32 temp3; 
-#endif 
-    /* 0x28 same as nat64_user_db */
-#ifndef NO_BULK_LOGGING
-    /* Now adding 8 more bytes for bulk allocation.. This makes it
-     * 0x30 (48). Added the same to nat64_bib_user_entry_t make the
-     * the sizes equal. For nat64 stful, we may support bulk allocation
-     * later.
-     */
-     /* Indicates the currently used bulk port range */
-    i16 bulk_port_range_cache[BULK_RANGE_CACHE_SIZE];
-#endif /* #ifndef NO_BULK_LOGGING */
-} cnat_user_db_entry_t;
-
-/*
- * cnat_session_entry_t
- * This structure represents the cnat session table. It maintains the
- * information about the destination of a given translation (main db)
- * There would be entry here only if packets are send to more than 1 destn
- * from the same source.
- */
-typedef struct {
-
-    /* 0x00 */
-    index_slist_t   cnat_session_hash;
-
-    /* 0x04 */
-    u32 main_db_index; /* would point to v4 src transport address */
-
-    /* 0x08 */
-    cnat_key_t     v4_dest_key;
-
-    /* 0x10 */
-    u16  flags;  /* Same as cnat_main_db_t */
-
-    /* 0x12 */
-    u16 timeout;
-
-    /* 0x14 */
-    u32 entry_expires;
-    /* 0x18 */
-    index_dlist_t    main_list;
-    /* 0x20 = 32 B */
-
-    union {                     /* alg same as cnat_main_db_t */
-    u16 delta;
-    i8  alg_dlt[2];
-    u16 il;
-    } alg;
-
-    /* 0x22 */
-    u16  tcp_flags;
-
-    /* 0x24  */
-    u32 tcp_seq_num;
-
-    /* 0x28  */
-    u32 ack_no;
-
-    /* 0x2C  */
-    u32 window;
-
-    /* 0x30  */
-    u8  scale;
-
-    /* 0x31 */
-    u8 pad;
-
-    /* 0x32 */
-} cnat_session_entry_t;
-
-
-
-/* 
- * out2in and in2out hash bucket arrays are simply arrays of index_slist_t's
- */
-
-typedef enum {
-    CNAT_DB_CREATE_DEFAULT=0,   /* honor cnat_main_db_max_ports_per_user */
-    CNAT_DB_CREATE_OVERRIDE,    /* just do it. */
-} cnat_db_create_policy_t;
-
-typedef struct {
-    cnat_key_t in2out_key;
-    cnat_key_t out2in_key;
-    u32 dst_ipv4;           /* evil for mode only */
-    u16 cnat_instance;
-    cnat_portmap_t *portmap;
-    u16 *portmap_inuse;
-    cnat_main_db_entry_t *db;
-    cnat_db_create_policy_t policy;
-    port_pair_t pair_of_ports;
-} cnat_db_create_args_t;
-
-extern cnat_main_db_entry_t *cnat_main_db;
-extern cnat_user_db_entry_t *cnat_user_db;
-extern cnat_session_entry_t *cnat_session_db;
-
-#define S_WAO    0
-#define S_WA     1 /* waiting for address pool */
-#define S_WO     2 /* waiting for outside vrf  */
-#define S_RUN    3 /* got everything */
-#define S_DEL    4 /* just delete */
-
-#define INVALID_UIDX 0xffff /*invalid svi app uidb index */
-#define INVALID_VRFID 0xffffffff /*invalid vrf id */
-
-typedef struct {
-    u16 status;
-    u16 tcp_mss;   //tcp max segment size for this inside vrf */
-    u32 delete_time;
-    u16 i_vrf; //inside SVI uidx
-    u16 o_vrf; //outside SVI uidx
-    u32 i_vrf_id;  //inside vrf id
-    u32 o_vrf_id;  //outside vrf id
-    cnat_portmap_v2_t *portmap_list;
-    u32 nfv9_logging_index;
-    u32 syslog_logging_index;
-    u16 ip_n_to_1;
-#ifndef NO_BULK_LOGGING
-    bulk_alloc_size_t bulk_size;
-#endif /*  #ifndef NO_BULK_LOGGING */
-    u32 pcp_server_addr;
-    u32 pcp_server_port;
-
-    u8  nf_logging_policy;
-    u8  syslog_logging_policy;
-    u8  frag_tout;
-    u32 rseed_ip;
-    u16 port_limit;
-    u8  tcp_seq_check_enable;
-    u8  pad;
-    u32 tcp_seq_user_window;
-    u8  filter_policy;
-    u8  ignore_port;
-} cnat_vrfmap_t;
-
-/*
- * When creating cnat_vrfmap entry, ensure that any already
- * configured logging info is taken into account
- */
-#define CNAT_SET_VRFMAP_NFV9_LOGGING_INDEX(logging_index, i_vrf) \
-do { \
-    cnat_nfv9_logging_info_t *my_nfv9_logging_info = 0; \
-    pool_foreach (my_nfv9_logging_info, cnat_nfv9_logging_info, ({ \
-        if (my_nfv9_logging_info->i_vrf == i_vrf) { \
-	    logging_index = my_nfv9_logging_info - cnat_nfv9_logging_info; \
-	    break; \
-        } \
-    })); \
-while (0)
-
-
-typedef struct {
-    /*
-     * spp_ctx_alloc() call failed
-     */
-    u64 nfv9_logging_context_creation_fail_count;
-    
-    /*
-     * Cannot send the existing logging pkt, so cannot create
-     * any additional packets for logging purposes
-     */
-    u64 nfv9_logging_context_creation_deferred_count;
-
-    /*
-     * Cannot send the existing logging pkt due to cnat_rewrite_output
-     * superframe being full.
-     */
-    u64 nfv9_downstream_constipation_count;
-
-    /*
-     * buffer for spp_ctx_alloc() call failed
-     */
-    u64 nfv9_logging_context_buffer_allocation_fail_count;
-
-} cnat_global_counters_t;
-
-
-extern cnat_global_counters_t cnat_global_counters;
-
-extern u16 *cnat_portmap_indices_by_vrf;
-extern cnat_vrfmap_t *cnat_portmap_by_vrf;
-extern cnat_portmap_t **cnat_portmaps;
-extern u16 **cnat_portmaps_inuse;
-
-extern cnat_vrfmap_t *cnat_map_by_vrf;
-
-/*
- * Special define to indicate that the VRF map index entry is empty
- */
-#define VRF_MAP_ENTRY_EMPTY 0xffff
-extern u16 vrf_map_array[CNAT_MAX_VRFMAP_ENTRIES];
-
-extern cnat_svi_params_entry svi_params_array[CNAT_MAX_VRFMAP_ENTRIES];
-extern cnat_ingress_vrfid_name_entry vrfid_name_map[MAX_VRFID];
-
-extern index_slist_t *cnat_out2in_hash;
-extern index_slist_t *cnat_in2out_hash;
-extern index_slist_t *cnat_user_hash;
-extern index_slist_t *cnat_session_hash;
-
-typedef enum {
-    CNAT_DB_IN2OUT = 0,
-    CNAT_DB_OUT2IN,
-} cnat_db_which_t;
-
-typedef enum {
-    CNAT_NO_ICMP_MSG =0,
-    CNAT_ICMP_MSG,
-} cnat_icmp_msg_t;
-
-typedef struct {
-    cnat_errno_t    error;
-    cnat_icmp_msg_t gen_icmp_msg;
-    u32             svi_addr;
-} cnat_gen_icmp_info;
-
-typedef cnat_vrfmap_t nat64_vrfmap_t;
-typedef cnat_portmap_v2_t nat64_portmap_v2_t;
-
-#define CNAT_V4_GET_HASH(key64, hash, mask) \
-    a = key64; \
-    b = c = 0x9e3779b97f4a7c13LL; \
-    /* Jenkins hash, arbitrarily use c as the "answer" */ \
-    hash_mix64(a, b, c); \
-    hash = c & mask;
-
-#define CNAT_V4_GET_SESSION_HASH(main_index, in_addr, port, vrf, hash, mask) \
-    a = main_index ^ in_addr ^ port ^ vrf; \
-    b = c = 0x9e3779b9; \
-    /* Jenkins hash, arbitrarily use c as the "answer" */ \
-    hash_mix32(a, b, c); \
-    hash = c & mask;
-
-#define CNAT_V4_GET_FRAG_HASH(key64, key32, hash, mask) \
-    a = key64; \
-    b = key32; \
-    c = 0x9e3779b97f4a7c13LL; \
-    hash_mix64(a, b, c); \
-    hash = c % mask;
-
-#define CNAT_DB_UPDATE_IN2OUT_TIMER \
-   db->entry_expires = cnat_current_time; \
-   db->in2out_pkts++; 
-
-#define CNAT_DB_TIMEOUT_RST(db) \
-	if(PREDICT_TRUE(db->entry_expires != 0 )) \
-		db->entry_expires = cnat_current_time;
-
-#define DEBUG_I2O_DROP(debug_flag) \
-if (debug_i_flag & debug_flag) { \
-    cnat_db_debug_i2o_drop(&ki); \
-}
-
-
-cnat_main_db_entry_t *cnat_main_db_create (cnat_db_create_args_t *a);
-void cnat_main_db_entry_delete(cnat_main_db_entry_t *ep);
-
-void cnat_delete_main_db_entry(cnat_main_db_entry_t *ep);
-void cnat_delete_main_db_entry_v2(cnat_main_db_entry_t *ep);
-
-
-cnat_main_db_entry_t*
-cnat_get_main_db_entry(cnat_db_key_bucket_t *ki,
-                       port_pair_t port_type,
-                       cnat_errno_t *error,
-                       cnat_user_db_entry_t ** user_db_entry);
-
-cnat_main_db_entry_t*
-cnat_get_main_db_entry_v2(cnat_db_key_bucket_t *ki,
-                       port_pair_t port_pair_type,
-                       port_type_t port_type,
-                       cnat_gen_icmp_info *info,
-                       cnat_key_t *dest_info);
-
-cnat_main_db_entry_t*
-cnat_create_static_main_db_entry_v2(cnat_db_key_bucket_t *ki,
-                                    cnat_db_key_bucket_t *ko,
-				    cnat_vrfmap_t        *my_vrfmap,
-				    cnat_gen_icmp_info   *info);
-
-cnat_main_db_entry_t*
-cnat_create_main_db_entry_and_hash(cnat_db_key_bucket_t *ki,
-                                   cnat_db_key_bucket_t *ko,
-                                   cnat_user_db_entry_t *udb);
-
-cnat_user_db_entry_t*
-cnat_user_db_create_entry(cnat_db_key_bucket_t *uki,
-                          u32 portmap_index);
-
-cnat_user_db_entry_t*
-cnat_user_db_lookup_entry(cnat_db_key_bucket_t *uki);
-
-cnat_main_db_entry_t*
-cnat_main_db_lookup_entry(cnat_db_key_bucket_t *ki);
-
-cnat_main_db_entry_t*
-cnat_main_db_lookup_entry_out2in (cnat_db_key_bucket_t *ko);
-
-void cnat_main_db_entry_dump (cnat_main_db_entry_t *db);
-void cnat_db_in2out_hash_delete (cnat_main_db_entry_t *ep, cnat_user_db_entry_t *up);
-void cnat_db_out2in_hash_delete (cnat_main_db_entry_t *ep);
-void cnat_user_db_delete (cnat_user_db_entry_t *up);
-void cnat_db_debug_i2o_drop(cnat_db_key_bucket_t *ki);
-
-/*
- * Function to dump the Hash Table that maps if_num to uidb_index
- */
-extern void cnat_if_num_hash_table_dump(void);
-
-#define MAIN_DB_TYPE        0
-#define SESSION_DB_TYPE     1
-u16 query_and_update_db_timeout(void *db, u8 db_type);
-
-u16 cnat_timeout_db_create (cnat_timeout_t t_entry);
-void cnat_timeout_db_delete(cnat_key_t t_key);
-
-cnat_session_entry_t *
-cnat_create_session_db_entry(cnat_key_t *ko,
-    cnat_main_db_entry_t *bdb, u8 log);
-
-void cnat_dest_update_main2session(cnat_main_db_entry_t *mdb,
-      cnat_session_entry_t *sdb);
-
-cnat_session_entry_t *cnat_handle_1to2_session(
-        cnat_main_db_entry_t *mdb,
-        cnat_key_t *dest_info);
-
-void cnat_add_dest_n_log(
-        cnat_main_db_entry_t *mdb,
-        cnat_key_t *dest_info);
-
-cnat_session_entry_t *
-   cnat_session_db_lookup_entry(cnat_key_t *ko,u32 main_db_index);
-
-cnat_session_entry_t *
-   cnat_session_db_edm_lookup_entry(cnat_key_t *ko,
-                                    u32 session_head_index,
-				    u32 main_db_index);
-
-
-typedef struct{
-    u32 sessions;
-    u32 active_translations;
-    u32 num_dynamic_translations;
-    u32 num_static_translations;
-    u64 in2out_drops_port_limit_exceeded;
-    u64 in2out_drops_system_limit_reached;
-    u64 in2out_drops_resource_depletion;
-    u64 no_translation_entry_drops;
-    u32 num_subscribers;
-    u32 dummy;
-    u64 drops_sessiondb_limit_exceeded;
-} nat44_dslite_common_stats_t;
-
-typedef struct {
-    u32 translation_delete_count;
-    u32 translation_create_count;
-    u32 out2in_forwarding_count;
-} nat44_dslite_global_stats_t;
-
-typedef struct {
-    u64 v4_to_v6_tcp_seq_mismatch_drop_count;
-    u64 v4_to_v6_tcp_seq_mismatch_count;
-    u64 v4_to_v6_out2in_session_create_count;
-    u64 v4_to_v6_end_point_filter_drop_count;
-} nat44_counters_stats_t;
-
-#define NAT44_STATS 0
-#define DSLITE_STATS 1
-extern nat44_dslite_common_stats_t nat44_dslite_common_stats[255]; /* 0 is for nat44 */
-extern nat44_dslite_global_stats_t nat44_dslite_global_stats[2]; /* 0 for nat44 and 1 for dslite */
-extern nat44_counters_stats_t     nat44_counters_stats[CNAT_MAX_VRFMAP_ENTRIES];/*For displaying show cgn <cgn-name> inside-vrf <vrf-name> counters */
-
-#define NAT44_COMMON_STATS nat44_dslite_common_stats[NAT44_RESERVED_INST_ID] 
-#define NAT44_GLOBAL_STATS nat44_dslite_global_stats[NAT44_STATS] 
-#define DSLITE_GLOBAL_STATS nat44_dslite_global_stats[DSLITE_STATS] 
-#define SESSION_LOG_ENABLE    1
-#define ALG_ENABLED_DB(db) \
-    ((db->flags & CNAT_PCP_FLAG) || \
-    (db->flags & CNAT_DB_FLAG_ALG_CTRL_FLOW) || \
-    (db->flags & (CNAT_DB_FLAG_PPTP_TUNNEL_INIT | \
-                  CNAT_DB_FLAG_PPTP_TUNNEL_ACTIVE)))
-
-
-#endif /* __CNAT_DB_H__ */