Plugins: Clean up the plugin directory so that each plugin has its own

directory and GNU autotools setup.

Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 1091 insertions, 0 deletions

diff --git a/plugins/vcgn-plugin/vcgn/cnat_logging.h b/plugins/vcgn-plugin/vcgn/cnat_logging.h
new file mode 100644
index 00000000000..7bd43ecf21e
--- /dev/null
+++ b/plugins/vcgn-plugin/vcgn/cnat_logging.h
@@ -0,0 +1,1091 @@
+/*
+ *------------------------------------------------------------------
+ * cnat_logging.h
+ *
+ * Copyright (c) 2009, 2012 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_LOGGING_H__ 
+#define __CNAT_LOGGING_H__ 
+
+#include <stdio.h>
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/clib.h>
+
+#include "nat64_db.h"
+#include "cnat_log_common.h"
+#include "dslite_defs.h"
+
+#define NFV9_DEF_PATH_MTU   1500
+#define NFV9_VRF_NAME_LEN   12
+
+/* one time call at the beginning */
+void cnat_nfv9_logging_init();
+
+/* 
+ * unconditional call
+ * will check logging config inside
+ */
+void cnat_nfv9_log_mapping_create(cnat_main_db_entry_t * db,
+                                  cnat_vrfmap_t *vrfmap
+#ifndef NO_BULK_LOGGING
+                                  , int bulk_alloc
+#endif
+                                  );
+
+void cnat_nfv9_nat44_log_session_create(cnat_main_db_entry_t * db,
+                                  cnat_session_entry_t * sdb,
+                                  cnat_vrfmap_t *vrfmap);
+
+void cnat_nfv9_nat44_log_session_delete(cnat_main_db_entry_t * db,
+                                  cnat_session_entry_t * sdb,
+                                  cnat_vrfmap_t *vrfmap);
+
+
+/* 
+ * unconditional call
+ * will check logging config inside
+ */
+void cnat_nfv9_log_mapping_delete(cnat_main_db_entry_t * db,
+                                  cnat_vrfmap_t *vrfmap
+#ifndef NO_BULK_LOGGING
+                                  , int bulk_alloc
+#endif
+                                  );
+
+/* nat44 syslog APIs */
+void cnat_syslog_nat44_mapping_create(cnat_main_db_entry_t *db,
+                        cnat_vrfmap_t *vrfmap, cnat_session_entry_t * sdb
+#ifndef NO_BULK_LOGGING
+                       , int bulk_alloc
+#endif
+                       );
+
+void cnat_syslog_nat44_mapping_delete(cnat_main_db_entry_t *db,
+        cnat_vrfmap_t *vrfmap, cnat_session_entry_t *sdb
+#ifndef NO_BULK_LOGGING
+        , int bulk_alloc
+#endif
+        );
+
+/* 
+ * dslite
+ */
+void cnat_nfv9_ds_lite_mapping_create(cnat_main_db_entry_t *db,
+                           dslite_table_entry_t *dslite_entry
+#ifndef NO_BULK_LOGGING
+                           , int bulk_alloc
+#endif
+                              );
+
+void cnat_nfv9_ds_lite_mapping_delete(cnat_main_db_entry_t *db,
+                           dslite_table_entry_t *dslite_entry
+#ifndef NO_BULK_LOGGING
+                           , int bulk_alloc
+#endif
+                              );
+void cnat_nfv9_ds_lite_log_session_create(cnat_main_db_entry_t * db,
+                                dslite_table_entry_t *dslite_entry,
+				cnat_session_entry_t * sdb);
+
+void cnat_nfv9_ds_lite_log_session_delete(cnat_main_db_entry_t * db,
+                                dslite_table_entry_t *dslite_entry,
+                                cnat_session_entry_t * sdb); 
+
+/* 
+ * nat64
+ */
+
+void cnat_nfv9_bib_mapping_create (nat64_bib_entry_t *db,
+                       nat64_table_entry_t *nat64_entry);
+
+void cnat_nfv9_session_mapping_create (nat64_bib_entry_t *bdb,
+                       nat64_session_entry_t *sdb,
+                       nat64_table_entry_t *nat64_entry_ptr);
+
+void cnat_nfv9_bib_mapping_delete (nat64_bib_entry_t *db,
+                       nat64_table_entry_t *nat64_entry);
+
+void cnat_nfv9_session_mapping_delete (nat64_bib_entry_t *bdb,
+                       nat64_session_entry_t *sdb,
+                       nat64_table_entry_t *nat64_entry_ptr);
+
+typedef enum {
+    RECORD_INVALID = 0,
+    NAT44_ADD_RECORD,
+    NAT44_DEL_RECORD,
+    NAT64_ADD_BIB_RECORD,
+    NAT64_DEL_BIB_RECORD,
+    NAT64_ADD_SESSION_RECORD,
+    NAT64_DEL_SESSION_RECORD,
+    DS_LITE_ADD_RECORD,
+    DS_LITE_DEL_RECORD,
+    NAT44_BULK_ADD_RECORD,
+    NAT44_BULK_DEL_RECORD,
+    DS_LITE_BULK_ADD_RECORD,
+    DS_LITE_BULK_DEL_RECORD,
+    INGRESS_VRF_ID_NAME_RECORD,
+    NAT44_ADD_SESSION_RECORD,
+    NAT44_DEL_SESSION_RECORD,
+    DS_LITE_ADD_SESSION_RECORD,
+    DS_LITE_DEL_SESSION_RECORD,
+    MAX_RECORDS
+} netflow_record;
+
+typedef enum {
+    TEMPLATE_SENT_FALSE = 0,
+    TEMPLATE_SENT_TRUE = 1
+} netflow_template_sent;
+
+#define cnat_nfv9_get_sys_up_time_in_ms cnat_get_sys_up_time_in_ms
+
+#define cnat_nfv9_get_unix_time_in_seconds cnat_get_unix_time_in_seconds
+
+#define cnat_nfv9_dump_time_change_logs cnat_dump_time_change_logs
+
+
+/*
+ * Netflow V9 Specific Defines and structures
+ */
+
+#define CNAT_NFV9_VERSION_NUMBER                        9
+
+#define CNAT_NFV9_TEMPLATE_FLOWSET_ID   		0
+#define CNAT_NFV9_OPTION_TEMPLATE_FLOWSET_ID            1
+
+#define CNAT_NFV9_ADD_FIELD_COUNT       		7
+#define CNAT_NFV9_DEL_FIELD_COUNT       		4
+#define CNAT_NFV9_DS_LITE_ADD_FIELD_COUNT               8
+#define CNAT_NFV9_DS_LITE_DEL_FIELD_COUNT               5
+#define CNAT_NFV9_NAT64_ADD_BIB_FIELD_COUNT             5
+#define CNAT_NFV9_NAT64_DEL_BIB_FIELD_COUNT             3
+#define CNAT_NFV9_NAT64_ADD_SESSION_FIELD_COUNT         8
+#define CNAT_NFV9_NAT64_DEL_SESSION_FIELD_COUNT         5
+#define CNAT_NFV9_NAT44_ADD_SESSION_FIELD_COUNT         9
+#define CNAT_NFV9_NAT44_DEL_SESSION_FIELD_COUNT         6
+#define CNAT_NFV9_DS_LITE_ADD_SESSION_FIELD_COUNT       10
+#define CNAT_NFV9_DS_LITE_DEL_SESSION_FIELD_COUNT       7
+
+#define CNAT_NFV9_ADD_TEMPLATE_ID                       256
+#define CNAT_NFV9_DEL_TEMPLATE_ID                       257
+#define CNAT_NFV9_NAT64_ADD_BIB_TEMPLATE_ID             258
+#define CNAT_NFV9_NAT64_DEL_BIB_TEMPLATE_ID             259
+#define CNAT_NFV9_NAT64_ADD_SESSION_TEMPLATE_ID         260
+#define CNAT_NFV9_NAT64_DEL_SESSION_TEMPLATE_ID         261
+#define CNAT_NFV9_INGRESS_VRF_ID_NAME_TEMPLATE_ID       262
+#define CNAT_NFV9_DS_LITE_ADD_TEMPLATE_ID               267
+#define CNAT_NFV9_DS_LITE_DEL_TEMPLATE_ID               268 
+#define CNAT_NFV9_NAT44_ADD_SESSION_TEMPLATE_ID         271
+#define CNAT_NFV9_NAT44_DEL_SESSION_TEMPLATE_ID         272
+#define CNAT_NFV9_DS_LITE_ADD_SESSION_TEMPLATE_ID       273
+#define CNAT_NFV9_DS_LITE_DEL_SESSION_TEMPLATE_ID       274
+
+#ifndef NO_BULK_LOGGING
+#define CNAT_NFV9_NAT44_BULK_ADD_TEMPLATE_ID     	265
+#define CNAT_NFV9_NAT44_BULK_DEL_TEMPLATE_ID     	266
+#define CNAT_NFV9_DS_LITE_BULK_ADD_TEMPLATE_ID          269 
+#define CNAT_NFV9_DS_LITE_BULK_DEL_TEMPLATE_ID          270
+
+#define CNAT_NFV9_NAT44_BULK_ADD_FIELD_COUNT            6
+#define CNAT_NFV9_NAT44_BULK_DEL_FIELD_COUNT            3
+#define CNAT_NFV9_DS_LITE_BULK_ADD_FIELD_COUNT          7
+#define CNAT_NFV9_DS_LITE_BULK_DEL_FIELD_COUNT          4
+
+#define CNAT_NFV9_OUTSIDE_IP_PORT_START_FIELD_TYPE   	361
+#define CNAT_NFV9_OUTSIDE_IP_PORT_START_FIELD_SIZE      2
+
+#define CNAT_NFV9_OUTSIDE_IP_PORT_END_FIELD_TYPE        362
+#define CNAT_NFV9_OUTSIDE_IP_PORT_END_FIELD_SIZE        2
+
+#endif /* #ifndef NO_BULK_LOGGING */
+
+#define CNAT_NFV9_INGRESS_VRF_NAME_FIELD_TYPE           236
+#define CNAT_NFV9_INGRESS_VRF_NAME_FIELD_SIZE           12
+/* 4 byte for vrf_id + 4 byte for vrf_name (option fields) */
+#define CNAT_NFV9_INGRESS_VRF_ID_NAME_OPTION_LEN        8 
+extern u16 cnat_template_id[MAX_RECORDS]; 
+
+#define CNAT_NFV9_INSIDE_VRFID_FIELD_TYPE         	234
+#define CNAT_NFV9_INSIDE_VRFID_FIELD_SIZE            	4
+
+#define CNAT_NFV9_OUTSIDE_VRFID_FIELD_TYPE         	235
+#define CNAT_NFV9_OUTSIDE_VRFID_FIELD_SIZE           	4
+
+#define CNAT_NFV9_INSIDE_IP_ADDR_FIELD_TYPE          	8
+#define CNAT_NFV9_INSIDE_IP_ADDR_FIELD_SIZE          	4
+
+#define CNAT_NFV9_OUTSIDE_IP_ADDR_FIELD_TYPE       	225
+#define CNAT_NFV9_OUTSIDE_IP_ADDR_FIELD_SIZE         	4
+
+#define CNAT_NFV9_INSIDE_IP_PORT_FIELD_TYPE          	7
+#define CNAT_NFV9_INSIDE_IP_PORT_FIELD_SIZE          	2
+
+#define CNAT_NFV9_OUTSIDE_IP_PORT_FIELD_TYPE       	227
+#define CNAT_NFV9_OUTSIDE_IP_PORT_FIELD_SIZE         	2
+
+#define CNAT_NFV9_PROTOCOL_FIELD_TYPE                	4
+#define CNAT_NFV9_PROTOCOL_FIELD_SIZE                	1
+
+/* IPv6 related info */
+
+#define CNAT_NFV9_INSIDE_IPV6_SRC_ADDR_FIELD_TYPE   	27
+#define CNAT_NFV9_INSIDE_IPV6_SRC_ADDR_FIELD_SIZE   	16
+    
+#define CNAT_NFV9_INSIDE_IPV6_DST_ADDR_FIELD_TYPE   	28
+#define CNAT_NFV9_INSIDE_IPV6_DST_ADDR_FIELD_SIZE   	16
+
+#define CNAT_NFV9_OUTSIDE_IP_DST_ADDR_FIELD_TYPE   	226
+#define CNAT_NFV9_OUTSIDE_IP_DST_ADDR_FIELD_SIZE     	4
+    
+#define CNAT_NFV9_INSIDE_DST_PORT_FIELD_TYPE   		11
+#define CNAT_NFV9_INSIDE_DST_PORT_FIELD_SIZE    	2
+
+#define CNAT_NFV9_DESTINATION_IP_ADDR_FIELD_TYPE    	12
+#define CNAT_NFV9_DESTINATION_IP_ADDR_FIELD_SIZE     	4
+
+
+typedef struct {
+    u16 version;
+    u16 count;
+    u32 sys_up_time; /* time in ms since system was booted */
+    u32 timestamp;   /* UNIX time in seconds since 1970 */
+    u32 sequence_num;
+    u32 source_id;
+} nfv9_header_t;
+
+/*
+ * Hardcoded - need to be fixed 
+ */
+#define CNAT_NFV9_SOURCE_ID_VALUE  0x1234
+
+typedef struct {
+    u16 flowset_id;
+    u16 length;
+
+    u16 ingress_vrfid_name_map_template_id;
+    u16 ingress_vrfid_name_map_scope_len;
+    u16 ingress_vrfid_name_map_option_len;
+    u16 ingress_vrfid_name_map_vrfid_option_type;
+    u16 ingress_vrfid_name_map_vrfid_option_len;
+    u16 ingress_vrfid_name_map_vrfname_option_type;
+    u16 ingress_vrfid_name_map_vrfname_option_len;
+    /*
+     * Adding the padding so as to make the tempalate 
+     * structure end on a 4 byte boundary
+     */
+    u16 padding1;
+
+} cnat_nfv9_option_template_t;
+
+/*
+ * The following structure defines the Netflow Template that
+ * will be exported to the Netflow Collector
+ */
+
+typedef struct {
+    u16 flowset_id;
+    u16 length;
+
+    u16 add_template_id;
+    u16 add_field_count;
+    u16 add_inside_vrf_id_field_type;
+    u16 add_inside_vrf_id_field_size;
+    u16 add_outside_vrf_id_field_type;
+    u16 add_outside_vrf_id_field_size;
+    u16 add_inside_ip_addr_field_type;
+    u16 add_inside_ip_addr_field_size;
+    u16 add_outside_ip_addr_field_type;
+    u16 add_outside_ip_addr_field_size;
+    u16 add_inside_ip_port_field_type;
+    u16 add_inside_ip_port_field_size;
+    u16 add_outside_ip_port_field_type;
+    u16 add_outside_ip_port_field_size;
+    u16 add_protocol_field_type;
+    u16 add_protocol_field_size;
+
+    u16 del_template_id;
+    u16 del_field_count;
+    u16 del_inside_vrf_id_field_type;
+    u16 del_inside_vrf_id_field_size;
+    u16 del_inside_ip_addr_field_type;
+    u16 del_inside_ip_addr_field_size;
+    u16 del_inside_ip_port_field_type;
+    u16 del_inside_ip_port_field_size;
+    u16 del_protocol_field_type;
+    u16 del_protocol_field_size;
+#if 0
+    /* NAT64 related info */
+    u16 nat64_add_bib_template_id;
+    u16 nat64_add_bib_field_count;
+    u16 nat64_add_bib_inside_ipv6_addr_field_type;
+    u16 nat64_add_bib_inside_ipv6_addr_field_size;
+    u16 nat64_add_bib_outside_ip_addr_field_type;
+    u16 nat64_add_bib_outside_ip_addr_field_size;
+    u16 nat64_add_bib_inside_ip_port_field_type;
+    u16 nat64_add_bib_inside_ip_port_field_size;
+    u16 nat64_add_bib_outside_ip_port_field_type;
+    u16 nat64_add_bib_outside_ip_port_field_size;
+    u16 nat64_add_bib_protocol_field_type;
+    u16 nat64_add_bib_protocol_field_size;
+
+    u16 nat64_del_bib_template_id;
+    u16 nat64_del_bib_field_count;
+    u16 nat64_del_bib_inside_ip_addr_field_type;
+    u16 nat64_del_bib_inside_ip_addr_field_size;
+    u16 nat64_del_bib_inside_ip_port_field_type;
+    u16 nat64_del_bib_inside_ip_port_field_size;
+    u16 nat64_del_bib_protocol_field_type;
+    u16 nat64_del_bib_protocol_field_size;
+
+
+    u16 nat64_add_session_template_id;
+    u16 nat64_add_session_field_count;
+    u16 nat64_add_session_inside_ipv6_src_addr_field_type;
+    u16 nat64_add_session_inside_ipv6_src_addr_field_size;
+    u16 nat64_add_session_outside_ip_src_addr_field_type;
+    u16 nat64_add_session_outside_ip_src_addr_field_size;
+    u16 nat64_add_session_inside_ipv6_dst_addr_field_type;
+    u16 nat64_add_session_inside_ipv6_dst_addr_field_size;
+    u16 nat64_add_session_outside_ip_dst_addr_field_type;
+    u16 nat64_add_session_outside_ip_dst_addr_field_size;
+    u16 nat64_add_session_inside_ip_src_port_field_type;
+    u16 nat64_add_session_inside_ip_src_port_field_size;
+    u16 nat64_add_session_outside_ip_src_port_field_type;
+    u16 nat64_add_session_outside_ip_src_port_field_size;
+    u16 nat64_add_session_ip_dest_port_field_type;
+    u16 nat64_add_session_ip_dest_port_field_size;
+    u16 nat64_add_session_protocol_field_type;
+    u16 nat64_add_session_protocol_field_size;
+
+    u16 nat64_del_session_template_id;
+    u16 nat64_del_session_field_count;
+    u16 nat64_del_session_inside_ip_src_addr_field_type;
+    u16 nat64_del_session_inside_ip_src_addr_field_size;
+    u16 nat64_del_session_inside_ip_dst_addr_field_type;
+    u16 nat64_del_session_inside_ip_dst_addr_field_size;
+    u16 nat64_del_session_inside_ip_src_port_field_type;
+    u16 nat64_del_session_inside_ip_src_port_field_size;
+    u16 nat64_del_session_inside_ip_dst_port_field_type;
+    u16 nat64_del_session_inside_ip_dst_port_field_size;
+    u16 nat64_del_session_protocol_field_type;
+    u16 nat64_del_session_protocol_field_size;
+
+    /*
+     * Ds-Lite specific info
+     */
+    u16 add_dslite_template_id;
+    u16 add_dslite_field_count;
+    u16 add_dslite_inside_vrf_id_field_type;
+    u16 add_dslite_inside_vrf_id_field_size;
+    u16 add_dslite_outside_vrf_id_field_type;
+    u16 add_dslite_outside_vrf_id_field_size;
+    u16 add_dslite_inside_ip_addr_field_type;
+    u16 add_dslite_inside_ip_addr_field_size;
+    u16 add_dslite_inside_ipv6_addr_field_type;
+    u16 add_dslite_inside_ipv6_addr_field_size;
+    u16 add_dslite_outside_ip_addr_field_type;
+    u16 add_dslite_outside_ip_addr_field_size;
+    u16 add_dslite_inside_ip_port_field_type;
+    u16 add_dslite_inside_ip_port_field_size;
+    u16 add_dslite_outside_ip_port_field_type;
+    u16 add_dslite_outside_ip_port_field_size;
+    u16 add_dslite_protocol_field_type;
+    u16 add_dslite_protocol_field_size;
+
+    u16 del_dslite_template_id;
+    u16 del_dslite_field_count;
+    u16 del_dslite_inside_vrf_id_field_type;
+    u16 del_dslite_inside_vrf_id_field_size;
+    u16 del_dslite_inside_ip_addr_field_type;
+    u16 del_dslite_inside_ip_addr_field_size;
+    u16 del_dslite_inside_ipv6_addr_field_type;
+    u16 del_dslite_inside_ipv6_addr_field_size;
+    u16 del_dslite_inside_ip_port_field_type;
+    u16 del_dslite_inside_ip_port_field_size;
+    u16 del_dslite_protocol_field_type;
+    u16 del_dslite_protocol_field_size;
+#endif
+    
+//#ifndef NO_BULK_LOGGING /* commenting for time being */
+#if 0
+    u16 bulk_add_template_id;
+    u16 bulk_add_field_count;
+    u16 bulk_add_inside_vrf_id_field_type;
+    u16 bulk_add_inside_vrf_id_field_size;
+    u16 bulk_add_outside_vrf_id_field_type;
+    u16 bulk_add_outside_vrf_id_field_size;
+    u16 bulk_add_inside_ip_addr_field_type;
+    u16 bulk_add_inside_ip_addr_field_size;
+    u16 bulk_add_outside_ip_addr_field_type;
+    u16 bulk_add_outside_ip_addr_field_size;
+    u16 bulk_add_outside_start_port_field_type;
+    u16 bulk_add_outside_start_port_field_size;
+    u16 bulk_add_outside_end_port_field_type;
+    u16 bulk_add_outside_end_port_field_size;
+
+    u16 bulk_del_template_id;
+    u16 bulk_del_field_count;
+    u16 bulk_del_inside_vrf_id_field_type;
+    u16 bulk_del_inside_vrf_id_field_size;
+    u16 bulk_del_inside_ip_addr_field_type;
+    u16 bulk_del_inside_ip_addr_field_size;
+    u16 bulk_del_outside_start_port_field_type;
+    u16 bulk_del_outside_start_port_field_size;
+
+    /* ds-lite bulk logging create delete event */
+
+    u16 bulk_dslite_add_template_id;
+    u16 bulk_dslite_add_field_count;
+    u16 bulk_dslite_add_inside_vrf_id_field_type;
+    u16 bulk_dslite_add_inside_vrf_id_field_size;
+    u16 bulk_dslite_add_outside_vrf_id_field_type;
+    u16 bulk_dslite_add_outside_vrf_id_field_size;
+    u16 bulk_dslite_add_inside_ip_addr_field_type;
+    u16 bulk_dslite_add_inside_ip_addr_field_size;
+    u16 bulk_dslite_add_inside_ipv6_addr_field_type;
+    u16 bulk_dslite_add_inside_ipv6_addr_field_size;
+    u16 bulk_dslite_add_outside_ip_addr_field_type;
+    u16 bulk_dslite_add_outside_ip_addr_field_size;
+    u16 bulk_dslite_add_outside_start_port_field_type;
+    u16 bulk_dslite_add_outside_start_port_field_size;
+    u16 bulk_dslite_add_outside_end_port_field_type;
+    u16 bulk_dslite_add_outside_end_port_field_size;
+
+    u16 bulk_dslite_del_template_id;
+    u16 bulk_dslite_del_field_count;
+    u16 bulk_dslite_del_inside_vrf_id_field_type;
+    u16 bulk_dslite_del_inside_vrf_id_field_size;
+    u16 bulk_dslite_del_inside_ip_addr_field_type;
+    u16 bulk_dslite_del_inside_ip_addr_field_size;
+    u16 bulk_dslite_del_inside_ipv6_addr_field_type;
+    u16 bulk_dslite_del_inside_ipv6_addr_field_size;
+    u16 bulk_dslite_del_outside_start_port_field_type;
+    u16 bulk_dslite_del_outside_start_port_field_size;
+
+#endif /* NO_BULK_LOGGING */
+
+    u16 nat44_session_add_template_id;
+    u16 nat44_session_add_field_count;
+    u16 nat44_session_add_inside_vrf_id_field_type;
+    u16 nat44_session_add_inside_vrf_id_field_size;
+    u16 nat44_session_add_outside_vrf_id_field_type;
+    u16 nat44_session_add_outside_vrf_id_field_size;
+    u16 nat44_session_add_inside_ip_addr_field_type;
+    u16 nat44_session_add_inside_ip_addr_field_size;
+    u16 nat44_session_add_outside_ip_addr_field_type;
+    u16 nat44_session_add_outside_ip_addr_field_size;
+    u16 nat44_session_add_inside_ip_port_field_type;
+    u16 nat44_session_add_inside_ip_port_field_size;
+    u16 nat44_session_add_outside_ip_port_field_type;
+    u16 nat44_session_add_outside_ip_port_field_size;
+    u16 nat44_session_add_dest_ip_addr_field_type;
+    u16 nat44_session_add_dest_ip_addr_field_size;
+    u16 nat44_session_add_dest_port_field_type;
+    u16 nat44_session_add_dest_port_field_size;
+    u16 nat44_session_add_protocol_field_type;
+    u16 nat44_session_add_protocol_field_size;
+
+    u16 nat44_session_del_template_id;
+    u16 nat44_session_del_field_count;
+    u16 nat44_session_del_inside_vrf_id_field_type;
+    u16 nat44_session_del_inside_vrf_id_field_size;
+    u16 nat44_session_del_inside_ip_addr_field_type;
+    u16 nat44_session_del_inside_ip_addr_field_size;
+    u16 nat44_session_del_dest_ip_addr_field_type;
+    u16 nat44_session_del_dest_ip_addr_field_size;
+    u16 nat44_session_del_inside_ip_port_field_type;
+    u16 nat44_session_del_inside_ip_port_field_size;
+    u16 nat44_session_del_dest_port_field_type;
+    u16 nat44_session_del_dest_port_field_size;
+    u16 nat44_session_del_protocol_field_type;
+    u16 nat44_session_del_protocol_field_size;
+
+#if 0
+    u16 add_dslite_session_template_id;
+    u16 add_dslite_session_field_count;
+    u16 add_dslite_session_inside_vrf_id_field_type;
+    u16 add_dslite_session_inside_vrf_id_field_size;
+    u16 add_dslite_session_outside_vrf_id_field_type;
+    u16 add_dslite_session_outside_vrf_id_field_size;
+    u16 add_dslite_session_inside_ip_addr_field_type;
+    u16 add_dslite_session_inside_ip_addr_field_size;
+    u16 add_dslite_session_inside_ipv6_addr_field_type;
+    u16 add_dslite_session_inside_ipv6_addr_field_size;
+    u16 add_dslite_session_outside_ip_addr_field_type;
+    u16 add_dslite_session_outside_ip_addr_field_size;
+    u16 add_dslite_session_inside_ip_port_field_type;
+    u16 add_dslite_session_inside_ip_port_field_size;
+    u16 add_dslite_session_outside_ip_port_field_type;
+    u16 add_dslite_session_outside_ip_port_field_size;
+    u16 add_dslite_session_dest_ip_addr_field_type;
+    u16 add_dslite_session_dest_ip_addr_field_size;
+    u16 add_dslite_session_dest_port_field_type;
+    u16 add_dslite_session_dest_port_field_size;
+    u16 add_dslite_session_protocol_field_type;
+    u16 add_dslite_session_protocol_field_size;
+    
+    u16 del_dslite_session_template_id;
+    u16 del_dslite_session_field_count;
+    u16 del_dslite_session_inside_vrf_id_field_type;
+    u16 del_dslite_session_inside_vrf_id_field_size;
+    u16 del_dslite_session_inside_ip_addr_field_type;
+    u16 del_dslite_session_inside_ip_addr_field_size;
+    u16 del_dslite_session_inside_ipv6_addr_field_type;
+    u16 del_dslite_session_inside_ipv6_addr_field_size;
+    u16 del_dslite_session_dest_ip_addr_field_type;
+    u16 del_dslite_session_dest_ip_addr_field_size;
+    u16 del_dslite_session_inside_ip_port_field_type;
+    u16 del_dslite_session_inside_ip_port_field_size;
+    u16 del_dslite_session_dest_port_field_type;
+    u16 del_dslite_session_dest_port_field_size;
+    u16 del_dslite_session_protocol_field_type;
+    u16 del_dslite_session_protocol_field_size;
+#endif
+
+    /*
+     * Netflow option template
+     * Ingress VRF ID - Name mapping
+     * This template will be sent under flowset id 1
+     */
+    cnat_nfv9_option_template_t cnat_nfv9_option_template;
+} cnat_nfv9_template_t;
+
+/*
+ * The Dataflow header for each add/delete record group
+ */
+typedef struct {
+    u16 dataflow_template_id;
+    u16 dataflow_length;
+} nfv9_dataflow_record_header_t;
+
+/*
+ * NFv9 Add record definition
+ */
+ 
+/* 
+ * pad bytes needed to make the structure a multiple of 4 bytes
+ */
+#define CNAT_NFV9_ADD_RECORD_PAD_BYTES (3)
+#define CNAT_NFV9_DEL_RECORD_PAD_BYTES (1)
+
+#define CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES (3)
+#define CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES (1)
+#define CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES (1)
+#define CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES (3)
+#define CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES (1)
+#define CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES (3)
+
+#define CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES (3)
+#define CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES (1)
+#define CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES (1)
+#define CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES (3)
+
+#define CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES (0)
+
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 outside_ip_addr;
+    u16 inside_ip_port;
+    u16 outside_ip_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_ADD_RECORD_PAD_BYTES]; 
+} nfv9_add_record_t;
+
+/*
+ * NFv9 Delete record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u16 inside_ip_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_DEL_RECORD_PAD_BYTES];
+} nfv9_del_record_t;
+
+#ifndef NO_BULK_LOGGING
+
+#define CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES (0)
+#define CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES (2)
+
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 outside_ip_addr;
+    u16 outside_ip_port_start;
+    u16 outside_ip_port_end;
+    u8  pad[CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES]; 
+} nfv9_bulk_add_record_t;
+
+/*
+ * NFv9 Delete record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u16 outside_ip_port_start;
+    u8  pad[CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES];
+} nfv9_bulk_del_record_t;
+
+/*
+ * DS-lite bulk port (user based) add record definition
+ */
+
+#define CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES (0)
+#define CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES (2)
+
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u32 outside_ip_addr;
+    u16 outside_ip_port_start;
+    u16 outside_ip_port_end;
+    u8  pad[CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES]; 
+} nfv9_ds_lite_bulk_add_record_t;
+
+
+/*
+ * DS-lite bulk port (user based) delete record definition
+ */
+
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u16 outside_ip_port_start;
+    u8  pad[CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES];
+} nfv9_ds_lite_bulk_del_record_t;
+
+#endif /* NO_BULK_LOGGING */
+
+/* NAT64 related structures */
+
+typedef struct {
+    u32 inside_v6_src_addr[4];
+    u32 outside_v4_src_addr;
+    u16 inside_src_port;
+    u16 outside_src_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES];
+} nfv9_nat64_add_bib_record_t;
+
+
+typedef struct {
+    u32 inside_v6_src_addr[4];
+    u32 outside_v4_src_addr;
+    u32 inside_v6_dest_addr[4];
+    u32 outside_v4_dest_addr;
+    u16 inside_src_port;
+    u16 outside_src_port;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES];
+} nfv9_nat64_add_session_record_t;
+
+
+typedef struct {
+    u32 inside_v6_src_addr[4];
+    u16 inside_src_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES];
+} nfv9_nat64_del_bib_record_t;
+
+
+typedef struct {
+    u32 inside_v6_src_addr[4];
+    u32 inside_v6_dest_addr[4];
+    u16 inside_src_port;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES];
+} nfv9_nat64_del_session_record_t;
+
+/*
+ * NFv9 Session based Add record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 outside_ip_addr;
+    u16 inside_ip_port;
+    u16 outside_ip_port;
+    u32 dest_ip_addr;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES];
+} nfv9_add_session_record_t;
+
+/*
+ * NFv9 Session based del record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u32 dest_ip_addr;
+    u16 inside_ip_port;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES];
+} nfv9_del_session_record_t;
+
+/*
+ * DS-lite NFv9 create record structure
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u32 outside_ip_addr;
+    u16 inside_ip_port;
+    u16 outside_ip_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES]; 
+} nfv9_ds_lite_add_record_t;
+
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u16 inside_ip_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES];
+} nfv9_ds_lite_del_record_t;
+
+/*
+ * NFv9 Session based Add record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 outside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u32 outside_ip_addr;
+    u16 inside_ip_port;
+    u16 outside_ip_port;
+    u32 dest_ip_addr;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES];
+} nfv9_ds_lite_add_session_record_t;
+
+/*
+ * NFv9 Session based del record definition
+ */
+typedef struct {
+    u32 inside_vrf_id;
+    u32 inside_ip_addr;
+    u32 inside_v6_src_addr[4];
+    u32 dest_ip_addr;
+    u16 inside_ip_port;
+    u16 dest_port;
+    u8  protocol;
+    u8  pad[CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES];
+} nfv9_ds_lite_del_session_record_t;
+
+
+typedef struct {
+    u32 ingress_vrf_id;
+    u8  ingress_vrf_name[NFV9_VRF_NAME_LEN];
+    u8  pad[CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES];
+} nfv9_ingress_vrfid_name_record_t;
+
+#define CNAT_NFV9_TEMPLATE_OFFSET \
+    (CNAT_NFV9_HDR_OFFSET + sizeof(nfv9_header_t))
+
+#define CNAT_NFV9_TEMPLATE_LENGTH (sizeof(cnat_nfv9_template_t))
+#define CNAT_NFV9_OPTION_TEMPLATE_LENGTH (sizeof(cnat_nfv9_option_template_t))
+
+#define CNAT_NFV9_DATAFLOW_RECORD_HEADER_LENGTH \
+            (sizeof(nfv9_dataflow_record_header_t))
+
+/*
+ * No padding is needed for the add/delete records - reduce padding bytes
+ */
+
+#define CNAT_NFV9_ADD_RECORD_LENGTH (sizeof(nfv9_add_record_t) - \
+                                     CNAT_NFV9_ADD_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_DEL_RECORD_LENGTH (sizeof(nfv9_del_record_t) - \
+                                     CNAT_NFV9_DEL_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_DS_LITE_ADD_RECORD_LENGTH (sizeof(nfv9_ds_lite_add_record_t) - \
+                                     CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES)
+#define CNAT_NFV9_DS_LITE_DEL_RECORD_LENGTH (sizeof(nfv9_ds_lite_del_record_t) - \
+                                     CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES)
+#ifndef NO_BULK_LOGGING
+#define CNAT_NFV9_BULK_ADD_RECORD_LENGTH (sizeof(nfv9_bulk_add_record_t) - \
+                                    CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES)
+#define CNAT_NFV9_BULK_DEL_RECORD_LENGTH (sizeof(nfv9_bulk_del_record_t) - \
+                                      CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_LENGTH (sizeof(nfv9_ds_lite_bulk_add_record_t) - \
+                                    CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES)
+#define CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_LENGTH (sizeof(nfv9_ds_lite_bulk_del_record_t) - \
+                                      CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES)
+
+
+#endif /* NO_BULK_LOGGING */
+
+#define CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_LENGTH (sizeof(nfv9_ingress_vrfid_name_record_t) - \
+                                      CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES)
+                                                                
+#define CNAT_NFV9_NAT64_ADD_BIB_RECORD_LENGTH  \
+    (sizeof(nfv9_nat64_add_bib_record_t) -  \
+     CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_NAT64_DEL_BIB_RECORD_LENGTH  \
+    (sizeof(nfv9_nat64_del_bib_record_t) - \
+     CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_NAT64_ADD_SESSION_RECORD_LENGTH  \
+    (sizeof(nfv9_nat64_add_session_record_t) -  \
+     CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_NAT64_DEL_SESSION_RECORD_LENGTH  \
+    (sizeof(nfv9_nat64_del_session_record_t) - \
+     CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_MAX_SINGLE_RECORD_LENGTH \
+    (sizeof(nfv9_ds_lite_add_session_record_t) - \
+     CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES)
+     
+#define CNAT_NFV9_NAT44_ADD_SESSION_RECORD_LENGTH \
+                    (sizeof(nfv9_add_session_record_t) -\
+                    CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_NAT44_DEL_SESSION_RECORD_LENGTH \
+                    (sizeof(nfv9_del_session_record_t) -\
+                    CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_LENGTH \
+                    (sizeof(nfv9_ds_lite_add_session_record_t) -\
+                    CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES)
+
+#define CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_LENGTH \
+                    (sizeof(nfv9_ds_lite_del_session_record_t) -\
+                    CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES)
+
+/*
+ * Minimum value of the path MTU value
+ */
+#define CNAT_NFV9_MIN_RECORD_SIZE (60 +                                      \
+                                   CNAT_NFV9_DATAFLOW_RECORD_HEADER_LENGTH + \
+                                   CNAT_NFV9_TEMPLATE_LENGTH  +              \
+                                   CNAT_NFV9_MAX_SINGLE_RECORD_LENGTH)
+
+/*
+ * Let us put the maximum length of the netflow data to be 1400
+ */
+#define CNAT_NFV9_MAX_PKT_LENGTH 1400
+
+/*
+ * Data structures and defines to store NFV9 specific info
+ */
+#define CNAT_NFV9_INVALID_LOGGING_INDEX  0xffffffff
+
+/*
+ * Padding value between ADD and DELETE records.  This can be atmost 3 bytes
+ */
+#define NFV9_PAD_VALUE (3)
+
+typedef struct {
+    /* NFV9 server specific info
+     * For now, it will maintain only package sequence count.
+     * Later it will maintain server address, port, etc.
+     * Though it currently has server address and port, it is only for 
+     * cross refernce
+     */
+    u32 ipv4_address; /* Destination IP address of the collector */
+    u16 port;     /* Destination port number of the collector */
+    u16 refresh_rate; /* Refresh rate in packets after which template is sent */
+    u16 timeout_rate; /* Timeout rate in seconds after which template is sent */
+    u16 ref_count; /* Num of instances using this data */
+    u32 sequence_num; /* Sequence number of the logging packet */
+    /*
+     * Keep track of the time and packets since last template send
+     */
+    u32 last_template_sent_time;
+    u32 pkts_since_last_template;
+    u8  template_sent; /* used while sending vrfid-name mapping */
+
+} nfv9_server_info_t;
+
+/*
+ * This structure store the Netflow Logging information on per NFv9
+ * collector basis. This structure is allocated from a pool and index
+ * to this structure is stored VRF MAP structures
+ */
+typedef struct {
+    /* 
+     * nat64_id will be 0 for nat44 config and i_vrf_id, i_vrf will be 0
+     * for nat64 config. Nat64_id will be used while nat64 collector is 
+     * search and i_vrf* for nat44 collector
+     */
+     /* Similarly for ds_lite, ds_lite_id will be used and nat64_id, 
+      * ivrf_id shall be set to 0 
+      */
+    u32 i_vrf_id; /* Inside VRF ID corresponding to this collector */
+    u16 i_vrf;    /* Inside VRF (uidb_index) corresponding to this collector */
+    u16 nat64_id; /* NAT64 instance for to this collector */
+    u16 ds_lite_id; /* DS Lite instance for this collector */
+
+    /*
+     * This field determines the maximum size of the Netflow V9 information
+     * that can be stored in a logging packet
+     */
+    u16 max_length_minus_max_record_size;
+
+    /*
+     * Indicates if the entry is already deleted
+     */
+    u16 deleted;
+
+    u16 pkt_length;         /* Length of the currently NFv9 information */
+    u16 record_length[MAX_RECORDS];  /* Length of delete record */
+    u16 total_record_count; /* Total number of records including templates */
+
+    u8  logging_policy;
+
+    /*
+     * Keep track of the time and packets since last template send
+     */
+    u32 last_template_sent_time;
+    u32 pkts_since_last_template;
+
+    /* Server info */
+    u32 server_index;
+
+    /*
+     * current logging context
+     */
+    vlib_buffer_t *current_logging_context;
+
+    /*
+     * Timestamp in UNIX seconds corresponding to when the current
+     * logging packet was created
+     */
+    u32 current_logging_context_timestamp;
+
+    /*
+     * Queued logging context waiting to be sent to the l3 infra node
+     */
+    vlib_buffer_t *queued_logging_context;
+
+    /*
+     * Headers corresponding to various records in this
+     * current nfv9 logging context
+     */
+    nfv9_header_t                  *nfv9_header;
+    cnat_nfv9_template_t           *nfv9_template_header;
+    nfv9_dataflow_record_header_t  *dataflow_header;
+    u8                             *record[MAX_RECORDS];
+    u8                             *next_data_ptr;
+    u8                             last_record;
+    u32                            nfv9_logging_next_index;
+    u32 ip4_input_node_index; 
+    vlib_frame_t                 *f;
+    u32                          *to_next;
+} cnat_nfv9_logging_info_t;
+
+
+/*
+ * Global structure for CGN APP configuration
+ */
+typedef struct {
+    /*
+     * Global NFv9 Logging Collector Index
+     */
+    u32 cnat_nfv9_global_collector_index;
+
+    /*
+     * Node index corresponding to the infra L3 output node
+     * to which the nfv9 logging node will send the packet
+     */
+    u16 cnat_nfv9_disp_node_index;
+
+    /*
+     * Whether we have initialized the NFv9 information
+     */
+    u8 cnat_nfv9_init_done;
+} cnat_nfv9_global_info_t;
+
+typedef enum {
+    cnat_nfv9_template_add_default,
+    cnat_nfv9_template_add_always
+} cnat_nfv9_template_add_flag_t;
+
+extern cnat_nfv9_template_t cnat_nfv9_template_info;
+
+extern cnat_nfv9_logging_info_t cnat_default_nfv9_logging_info;
+extern cnat_nfv9_logging_info_t *cnat_nfv9_logging_info_pool;
+
+extern cnat_nfv9_global_info_t  cnat_nfv9_global_info;
+extern nfv9_server_info_t *nfv9_server_info_pool;
+
+/* #define DEBUG_NF_SERVER_CONFIG 1 */
+static inline void nfv9_delete_server_info(cnat_nfv9_logging_info_t *nfv9_info)
+{
+    nfv9_server_info_t *server =  nfv9_server_info_pool +
+        nfv9_info->server_index;
+    if(nfv9_info->server_index == EMPTY) {
+#ifdef DEBUG_NF_SERVER_CONFIG
+        if(my_instance_number == 1) { 
+            PLATFORM_DEBUG_PRINT("Deleting empty server info\n");
+        }
+#endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
+        return;
+    }
+
+    /* Check if this server is not used by anyone.. if not delete */
+    /* Caller of this function does not need it..so decrement ref count */
+    server->ref_count--;
+    if(!(server->ref_count)) {
+#ifdef DEBUG_NF_SERVER_CONFIG
+        if(my_instance_number == 1) { 
+            PLATFORM_DEBUG_PRINT("Deleting nfv9 server %x, %d at %d\n",
+            server->ipv4_address, 
+            server->port,
+            nfv9_info->server_index);
+        }
+#endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
+        pool_put(nfv9_server_info_pool, server);
+        nfv9_info->server_index = EMPTY; 
+    }
+#ifdef DEBUG_NF_SERVER_CONFIG
+    else {  
+        if(my_instance_number == 1) { 
+            PLATFORM_DEBUG_PRINT("Not Deleting nfv9 server %x, %d rc %d\n",
+            server->ipv4_address,
+            server->port,
+            server->ref_count);
+        }
+    }
+#endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
+    return;
+}
+
+void handle_pending_nfv9_pkts();
+#endif /* __CNAT_LOGGING_H__ */