aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/vcgn-plugin/vcgn/cnat_db.h
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/cnat_db.h')
-rw-r--r--plugins/vcgn-plugin/vcgn/cnat_db.h701
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 3596e238..00000000
--- 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__ */