vnet/vnet/vcgn/cnat_logging.h

   1 /*
   2  *------------------------------------------------------------------
   3  * cnat_logging.h
   4  *
   5  * Copyright (c) 2009, 2012 Cisco and/or its affiliates.
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at:
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *------------------------------------------------------------------
  18  */
  19
  20 #ifndef __CNAT_LOGGING_H__
  21 #define __CNAT_LOGGING_H__
  22
  23 #include <stdio.h>
  24 #include <vlib/vlib.h>
  25 #include <vnet/vnet.h>
  26 #include <vppinfra/vec.h>
  27 #include <vppinfra/bitmap.h>
  28 #include <vppinfra/hash.h>
  29 #include <vppinfra/pool.h>
  30 #include <vppinfra/clib.h>
  31
  32 #include "nat64_db.h"
  33 #include "cnat_log_common.h"
  34 #include "dslite_defs.h"
  35
  36 #define NFV9_DEF_PATH_MTU   1500
  37 #define NFV9_VRF_NAME_LEN   12
  38
  39 /* one time call at the beginning */
  40 void cnat_nfv9_logging_init();
  41
  42 /*
  43  * unconditional call
  44  * will check logging config inside
  45  */
  46 void cnat_nfv9_log_mapping_create(cnat_main_db_entry_t * db,
  47                                   cnat_vrfmap_t *vrfmap
  48 #ifndef NO_BULK_LOGGING
  49                                   , int bulk_alloc
  50 #endif
  51                                   );
  52
  53 void cnat_nfv9_nat44_log_session_create(cnat_main_db_entry_t * db,
  54                                   cnat_session_entry_t * sdb,
  55                                   cnat_vrfmap_t *vrfmap);
  56
  57 void cnat_nfv9_nat44_log_session_delete(cnat_main_db_entry_t * db,
  58                                   cnat_session_entry_t * sdb,
  59                                   cnat_vrfmap_t *vrfmap);
  60
  61
  62 /*
  63  * unconditional call
  64  * will check logging config inside
  65  */
  66 void cnat_nfv9_log_mapping_delete(cnat_main_db_entry_t * db,
  67                                   cnat_vrfmap_t *vrfmap
  68 #ifndef NO_BULK_LOGGING
  69                                   , int bulk_alloc
  70 #endif
  71                                   );
  72
  73 /* nat44 syslog APIs */
  74 void cnat_syslog_nat44_mapping_create(cnat_main_db_entry_t *db,
  75                         cnat_vrfmap_t *vrfmap, cnat_session_entry_t * sdb
  76 #ifndef NO_BULK_LOGGING
  77                        , int bulk_alloc
  78 #endif
  79                        );
  80
  81 void cnat_syslog_nat44_mapping_delete(cnat_main_db_entry_t *db,
  82         cnat_vrfmap_t *vrfmap, cnat_session_entry_t *sdb
  83 #ifndef NO_BULK_LOGGING
  84         , int bulk_alloc
  85 #endif
  86         );
  87
  88 /*
  89  * dslite
  90  */
  91 void cnat_nfv9_ds_lite_mapping_create(cnat_main_db_entry_t *db,
  92                            dslite_table_entry_t *dslite_entry
  93 #ifndef NO_BULK_LOGGING
  94                            , int bulk_alloc
  95 #endif
  96                               );
  97
  98 void cnat_nfv9_ds_lite_mapping_delete(cnat_main_db_entry_t *db,
  99                            dslite_table_entry_t *dslite_entry
 100 #ifndef NO_BULK_LOGGING
 101                            , int bulk_alloc
 102 #endif
 103                               );
 104 void cnat_nfv9_ds_lite_log_session_create(cnat_main_db_entry_t * db,
 105                                 dslite_table_entry_t *dslite_entry,
 106                                 cnat_session_entry_t * sdb);
 107
 108 void cnat_nfv9_ds_lite_log_session_delete(cnat_main_db_entry_t * db,
 109                                 dslite_table_entry_t *dslite_entry,
 110                                 cnat_session_entry_t * sdb);
 111
 112 /*
 113  * nat64
 114  */
 115
 116 void cnat_nfv9_bib_mapping_create (nat64_bib_entry_t *db,
 117                        nat64_table_entry_t *nat64_entry);
 118
 119 void cnat_nfv9_session_mapping_create (nat64_bib_entry_t *bdb,
 120                        nat64_session_entry_t *sdb,
 121                        nat64_table_entry_t *nat64_entry_ptr);
 122
 123 void cnat_nfv9_bib_mapping_delete (nat64_bib_entry_t *db,
 124                        nat64_table_entry_t *nat64_entry);
 125
 126 void cnat_nfv9_session_mapping_delete (nat64_bib_entry_t *bdb,
 127                        nat64_session_entry_t *sdb,
 128                        nat64_table_entry_t *nat64_entry_ptr);
 129
 130 typedef enum {
 131     RECORD_INVALID = 0,
 132     NAT44_ADD_RECORD,
 133     NAT44_DEL_RECORD,
 134     NAT64_ADD_BIB_RECORD,
 135     NAT64_DEL_BIB_RECORD,
 136     NAT64_ADD_SESSION_RECORD,
 137     NAT64_DEL_SESSION_RECORD,
 138     DS_LITE_ADD_RECORD,
 139     DS_LITE_DEL_RECORD,
 140     NAT44_BULK_ADD_RECORD,
 141     NAT44_BULK_DEL_RECORD,
 142     DS_LITE_BULK_ADD_RECORD,
 143     DS_LITE_BULK_DEL_RECORD,
 144     INGRESS_VRF_ID_NAME_RECORD,
 145     NAT44_ADD_SESSION_RECORD,
 146     NAT44_DEL_SESSION_RECORD,
 147     DS_LITE_ADD_SESSION_RECORD,
 148     DS_LITE_DEL_SESSION_RECORD,
 149     MAX_RECORDS
 150 } netflow_record;
 151
 152 typedef enum {
 153     TEMPLATE_SENT_FALSE = 0,
 154     TEMPLATE_SENT_TRUE = 1
 155 } netflow_template_sent;
 156
 157 #define cnat_nfv9_get_sys_up_time_in_ms cnat_get_sys_up_time_in_ms
 158
 159 #define cnat_nfv9_get_unix_time_in_seconds cnat_get_unix_time_in_seconds
 160
 161 #define cnat_nfv9_dump_time_change_logs cnat_dump_time_change_logs
 162
 163
 164 /*
 165  * Netflow V9 Specific Defines and structures
 166  */
 167
 168 #define CNAT_NFV9_VERSION_NUMBER                        9
 169
 170 #define CNAT_NFV9_TEMPLATE_FLOWSET_ID                   0
 171 #define CNAT_NFV9_OPTION_TEMPLATE_FLOWSET_ID            1
 172
 173 #define CNAT_NFV9_ADD_FIELD_COUNT                       7
 174 #define CNAT_NFV9_DEL_FIELD_COUNT                       4
 175 #define CNAT_NFV9_DS_LITE_ADD_FIELD_COUNT               8
 176 #define CNAT_NFV9_DS_LITE_DEL_FIELD_COUNT               5
 177 #define CNAT_NFV9_NAT64_ADD_BIB_FIELD_COUNT             5
 178 #define CNAT_NFV9_NAT64_DEL_BIB_FIELD_COUNT             3
 179 #define CNAT_NFV9_NAT64_ADD_SESSION_FIELD_COUNT         8
 180 #define CNAT_NFV9_NAT64_DEL_SESSION_FIELD_COUNT         5
 181 #define CNAT_NFV9_NAT44_ADD_SESSION_FIELD_COUNT         9
 182 #define CNAT_NFV9_NAT44_DEL_SESSION_FIELD_COUNT         6
 183 #define CNAT_NFV9_DS_LITE_ADD_SESSION_FIELD_COUNT       10
 184 #define CNAT_NFV9_DS_LITE_DEL_SESSION_FIELD_COUNT       7
 185
 186 #define CNAT_NFV9_ADD_TEMPLATE_ID                       256
 187 #define CNAT_NFV9_DEL_TEMPLATE_ID                       257
 188 #define CNAT_NFV9_NAT64_ADD_BIB_TEMPLATE_ID             258
 189 #define CNAT_NFV9_NAT64_DEL_BIB_TEMPLATE_ID             259
 190 #define CNAT_NFV9_NAT64_ADD_SESSION_TEMPLATE_ID         260
 191 #define CNAT_NFV9_NAT64_DEL_SESSION_TEMPLATE_ID         261
 192 #define CNAT_NFV9_INGRESS_VRF_ID_NAME_TEMPLATE_ID       262
 193 #define CNAT_NFV9_DS_LITE_ADD_TEMPLATE_ID               267
 194 #define CNAT_NFV9_DS_LITE_DEL_TEMPLATE_ID               268
 195 #define CNAT_NFV9_NAT44_ADD_SESSION_TEMPLATE_ID         271
 196 #define CNAT_NFV9_NAT44_DEL_SESSION_TEMPLATE_ID         272
 197 #define CNAT_NFV9_DS_LITE_ADD_SESSION_TEMPLATE_ID       273
 198 #define CNAT_NFV9_DS_LITE_DEL_SESSION_TEMPLATE_ID       274
 199
 200 #ifndef NO_BULK_LOGGING
 201 #define CNAT_NFV9_NAT44_BULK_ADD_TEMPLATE_ID            265
 202 #define CNAT_NFV9_NAT44_BULK_DEL_TEMPLATE_ID            266
 203 #define CNAT_NFV9_DS_LITE_BULK_ADD_TEMPLATE_ID          269
 204 #define CNAT_NFV9_DS_LITE_BULK_DEL_TEMPLATE_ID          270
 205
 206 #define CNAT_NFV9_NAT44_BULK_ADD_FIELD_COUNT            6
 207 #define CNAT_NFV9_NAT44_BULK_DEL_FIELD_COUNT            3
 208 #define CNAT_NFV9_DS_LITE_BULK_ADD_FIELD_COUNT          7
 209 #define CNAT_NFV9_DS_LITE_BULK_DEL_FIELD_COUNT          4
 210
 211 #define CNAT_NFV9_OUTSIDE_IP_PORT_START_FIELD_TYPE      361
 212 #define CNAT_NFV9_OUTSIDE_IP_PORT_START_FIELD_SIZE      2
 213
 214 #define CNAT_NFV9_OUTSIDE_IP_PORT_END_FIELD_TYPE        362
 215 #define CNAT_NFV9_OUTSIDE_IP_PORT_END_FIELD_SIZE        2
 216
 217 #endif /* #ifndef NO_BULK_LOGGING */
 218
 219 #define CNAT_NFV9_INGRESS_VRF_NAME_FIELD_TYPE           236
 220 #define CNAT_NFV9_INGRESS_VRF_NAME_FIELD_SIZE           12
 221 /* 4 byte for vrf_id + 4 byte for vrf_name (option fields) */
 222 #define CNAT_NFV9_INGRESS_VRF_ID_NAME_OPTION_LEN        8
 223 extern u16 cnat_template_id[MAX_RECORDS];
 224
 225 #define CNAT_NFV9_INSIDE_VRFID_FIELD_TYPE               234
 226 #define CNAT_NFV9_INSIDE_VRFID_FIELD_SIZE               4
 227
 228 #define CNAT_NFV9_OUTSIDE_VRFID_FIELD_TYPE              235
 229 #define CNAT_NFV9_OUTSIDE_VRFID_FIELD_SIZE              4
 230
 231 #define CNAT_NFV9_INSIDE_IP_ADDR_FIELD_TYPE             8
 232 #define CNAT_NFV9_INSIDE_IP_ADDR_FIELD_SIZE             4
 233
 234 #define CNAT_NFV9_OUTSIDE_IP_ADDR_FIELD_TYPE            225
 235 #define CNAT_NFV9_OUTSIDE_IP_ADDR_FIELD_SIZE            4
 236
 237 #define CNAT_NFV9_INSIDE_IP_PORT_FIELD_TYPE             7
 238 #define CNAT_NFV9_INSIDE_IP_PORT_FIELD_SIZE             2
 239
 240 #define CNAT_NFV9_OUTSIDE_IP_PORT_FIELD_TYPE            227
 241 #define CNAT_NFV9_OUTSIDE_IP_PORT_FIELD_SIZE            2
 242
 243 #define CNAT_NFV9_PROTOCOL_FIELD_TYPE                   4
 244 #define CNAT_NFV9_PROTOCOL_FIELD_SIZE                   1
 245
 246 /* IPv6 related info */
 247
 248 #define CNAT_NFV9_INSIDE_IPV6_SRC_ADDR_FIELD_TYPE       27
 249 #define CNAT_NFV9_INSIDE_IPV6_SRC_ADDR_FIELD_SIZE       16
 250
 251 #define CNAT_NFV9_INSIDE_IPV6_DST_ADDR_FIELD_TYPE       28
 252 #define CNAT_NFV9_INSIDE_IPV6_DST_ADDR_FIELD_SIZE       16
 253
 254 #define CNAT_NFV9_OUTSIDE_IP_DST_ADDR_FIELD_TYPE        226
 255 #define CNAT_NFV9_OUTSIDE_IP_DST_ADDR_FIELD_SIZE        4
 256
 257 #define CNAT_NFV9_INSIDE_DST_PORT_FIELD_TYPE            11
 258 #define CNAT_NFV9_INSIDE_DST_PORT_FIELD_SIZE            2
 259
 260 #define CNAT_NFV9_DESTINATION_IP_ADDR_FIELD_TYPE        12
 261 #define CNAT_NFV9_DESTINATION_IP_ADDR_FIELD_SIZE        4
 262
 263
 264 typedef struct {
 265     u16 version;
 266     u16 count;
 267     u32 sys_up_time; /* time in ms since system was booted */
 268     u32 timestamp;   /* UNIX time in seconds since 1970 */
 269     u32 sequence_num;
 270     u32 source_id;
 271 } nfv9_header_t;
 272
 273 /*
 274  * Hardcoded - need to be fixed
 275  */
 276 #define CNAT_NFV9_SOURCE_ID_VALUE  0x1234
 277
 278 typedef struct {
 279     u16 flowset_id;
 280     u16 length;
 281
 282     u16 ingress_vrfid_name_map_template_id;
 283     u16 ingress_vrfid_name_map_scope_len;
 284     u16 ingress_vrfid_name_map_option_len;
 285     u16 ingress_vrfid_name_map_vrfid_option_type;
 286     u16 ingress_vrfid_name_map_vrfid_option_len;
 287     u16 ingress_vrfid_name_map_vrfname_option_type;
 288     u16 ingress_vrfid_name_map_vrfname_option_len;
 289     /*
 290      * Adding the padding so as to make the tempalate
 291      * structure end on a 4 byte boundary
 292      */
 293     u16 padding1;
 294
 295 } cnat_nfv9_option_template_t;
 296
 297 /*
 298  * The following structure defines the Netflow Template that
 299  * will be exported to the Netflow Collector
 300  */
 301
 302 typedef struct {
 303     u16 flowset_id;
 304     u16 length;
 305
 306     u16 add_template_id;
 307     u16 add_field_count;
 308     u16 add_inside_vrf_id_field_type;
 309     u16 add_inside_vrf_id_field_size;
 310     u16 add_outside_vrf_id_field_type;
 311     u16 add_outside_vrf_id_field_size;
 312     u16 add_inside_ip_addr_field_type;
 313     u16 add_inside_ip_addr_field_size;
 314     u16 add_outside_ip_addr_field_type;
 315     u16 add_outside_ip_addr_field_size;
 316     u16 add_inside_ip_port_field_type;
 317     u16 add_inside_ip_port_field_size;
 318     u16 add_outside_ip_port_field_type;
 319     u16 add_outside_ip_port_field_size;
 320     u16 add_protocol_field_type;
 321     u16 add_protocol_field_size;
 322
 323     u16 del_template_id;
 324     u16 del_field_count;
 325     u16 del_inside_vrf_id_field_type;
 326     u16 del_inside_vrf_id_field_size;
 327     u16 del_inside_ip_addr_field_type;
 328     u16 del_inside_ip_addr_field_size;
 329     u16 del_inside_ip_port_field_type;
 330     u16 del_inside_ip_port_field_size;
 331     u16 del_protocol_field_type;
 332     u16 del_protocol_field_size;
 333 #if 0
 334     /* NAT64 related info */
 335     u16 nat64_add_bib_template_id;
 336     u16 nat64_add_bib_field_count;
 337     u16 nat64_add_bib_inside_ipv6_addr_field_type;
 338     u16 nat64_add_bib_inside_ipv6_addr_field_size;
 339     u16 nat64_add_bib_outside_ip_addr_field_type;
 340     u16 nat64_add_bib_outside_ip_addr_field_size;
 341     u16 nat64_add_bib_inside_ip_port_field_type;
 342     u16 nat64_add_bib_inside_ip_port_field_size;
 343     u16 nat64_add_bib_outside_ip_port_field_type;
 344     u16 nat64_add_bib_outside_ip_port_field_size;
 345     u16 nat64_add_bib_protocol_field_type;
 346     u16 nat64_add_bib_protocol_field_size;
 347
 348     u16 nat64_del_bib_template_id;
 349     u16 nat64_del_bib_field_count;
 350     u16 nat64_del_bib_inside_ip_addr_field_type;
 351     u16 nat64_del_bib_inside_ip_addr_field_size;
 352     u16 nat64_del_bib_inside_ip_port_field_type;
 353     u16 nat64_del_bib_inside_ip_port_field_size;
 354     u16 nat64_del_bib_protocol_field_type;
 355     u16 nat64_del_bib_protocol_field_size;
 356
 357
 358     u16 nat64_add_session_template_id;
 359     u16 nat64_add_session_field_count;
 360     u16 nat64_add_session_inside_ipv6_src_addr_field_type;
 361     u16 nat64_add_session_inside_ipv6_src_addr_field_size;
 362     u16 nat64_add_session_outside_ip_src_addr_field_type;
 363     u16 nat64_add_session_outside_ip_src_addr_field_size;
 364     u16 nat64_add_session_inside_ipv6_dst_addr_field_type;
 365     u16 nat64_add_session_inside_ipv6_dst_addr_field_size;
 366     u16 nat64_add_session_outside_ip_dst_addr_field_type;
 367     u16 nat64_add_session_outside_ip_dst_addr_field_size;
 368     u16 nat64_add_session_inside_ip_src_port_field_type;
 369     u16 nat64_add_session_inside_ip_src_port_field_size;
 370     u16 nat64_add_session_outside_ip_src_port_field_type;
 371     u16 nat64_add_session_outside_ip_src_port_field_size;
 372     u16 nat64_add_session_ip_dest_port_field_type;
 373     u16 nat64_add_session_ip_dest_port_field_size;
 374     u16 nat64_add_session_protocol_field_type;
 375     u16 nat64_add_session_protocol_field_size;
 376
 377     u16 nat64_del_session_template_id;
 378     u16 nat64_del_session_field_count;
 379     u16 nat64_del_session_inside_ip_src_addr_field_type;
 380     u16 nat64_del_session_inside_ip_src_addr_field_size;
 381     u16 nat64_del_session_inside_ip_dst_addr_field_type;
 382     u16 nat64_del_session_inside_ip_dst_addr_field_size;
 383     u16 nat64_del_session_inside_ip_src_port_field_type;
 384     u16 nat64_del_session_inside_ip_src_port_field_size;
 385     u16 nat64_del_session_inside_ip_dst_port_field_type;
 386     u16 nat64_del_session_inside_ip_dst_port_field_size;
 387     u16 nat64_del_session_protocol_field_type;
 388     u16 nat64_del_session_protocol_field_size;
 389
 390     /*
 391      * Ds-Lite specific info
 392      */
 393     u16 add_dslite_template_id;
 394     u16 add_dslite_field_count;
 395     u16 add_dslite_inside_vrf_id_field_type;
 396     u16 add_dslite_inside_vrf_id_field_size;
 397     u16 add_dslite_outside_vrf_id_field_type;
 398     u16 add_dslite_outside_vrf_id_field_size;
 399     u16 add_dslite_inside_ip_addr_field_type;
 400     u16 add_dslite_inside_ip_addr_field_size;
 401     u16 add_dslite_inside_ipv6_addr_field_type;
 402     u16 add_dslite_inside_ipv6_addr_field_size;
 403     u16 add_dslite_outside_ip_addr_field_type;
 404     u16 add_dslite_outside_ip_addr_field_size;
 405     u16 add_dslite_inside_ip_port_field_type;
 406     u16 add_dslite_inside_ip_port_field_size;
 407     u16 add_dslite_outside_ip_port_field_type;
 408     u16 add_dslite_outside_ip_port_field_size;
 409     u16 add_dslite_protocol_field_type;
 410     u16 add_dslite_protocol_field_size;
 411
 412     u16 del_dslite_template_id;
 413     u16 del_dslite_field_count;
 414     u16 del_dslite_inside_vrf_id_field_type;
 415     u16 del_dslite_inside_vrf_id_field_size;
 416     u16 del_dslite_inside_ip_addr_field_type;
 417     u16 del_dslite_inside_ip_addr_field_size;
 418     u16 del_dslite_inside_ipv6_addr_field_type;
 419     u16 del_dslite_inside_ipv6_addr_field_size;
 420     u16 del_dslite_inside_ip_port_field_type;
 421     u16 del_dslite_inside_ip_port_field_size;
 422     u16 del_dslite_protocol_field_type;
 423     u16 del_dslite_protocol_field_size;
 424 #endif
 425
 426 //#ifndef NO_BULK_LOGGING /* commenting for time being */
 427 #if 0
 428     u16 bulk_add_template_id;
 429     u16 bulk_add_field_count;
 430     u16 bulk_add_inside_vrf_id_field_type;
 431     u16 bulk_add_inside_vrf_id_field_size;
 432     u16 bulk_add_outside_vrf_id_field_type;
 433     u16 bulk_add_outside_vrf_id_field_size;
 434     u16 bulk_add_inside_ip_addr_field_type;
 435     u16 bulk_add_inside_ip_addr_field_size;
 436     u16 bulk_add_outside_ip_addr_field_type;
 437     u16 bulk_add_outside_ip_addr_field_size;
 438     u16 bulk_add_outside_start_port_field_type;
 439     u16 bulk_add_outside_start_port_field_size;
 440     u16 bulk_add_outside_end_port_field_type;
 441     u16 bulk_add_outside_end_port_field_size;
 442
 443     u16 bulk_del_template_id;
 444     u16 bulk_del_field_count;
 445     u16 bulk_del_inside_vrf_id_field_type;
 446     u16 bulk_del_inside_vrf_id_field_size;
 447     u16 bulk_del_inside_ip_addr_field_type;
 448     u16 bulk_del_inside_ip_addr_field_size;
 449     u16 bulk_del_outside_start_port_field_type;
 450     u16 bulk_del_outside_start_port_field_size;
 451
 452     /* ds-lite bulk logging create delete event */
 453
 454     u16 bulk_dslite_add_template_id;
 455     u16 bulk_dslite_add_field_count;
 456     u16 bulk_dslite_add_inside_vrf_id_field_type;
 457     u16 bulk_dslite_add_inside_vrf_id_field_size;
 458     u16 bulk_dslite_add_outside_vrf_id_field_type;
 459     u16 bulk_dslite_add_outside_vrf_id_field_size;
 460     u16 bulk_dslite_add_inside_ip_addr_field_type;
 461     u16 bulk_dslite_add_inside_ip_addr_field_size;
 462     u16 bulk_dslite_add_inside_ipv6_addr_field_type;
 463     u16 bulk_dslite_add_inside_ipv6_addr_field_size;
 464     u16 bulk_dslite_add_outside_ip_addr_field_type;
 465     u16 bulk_dslite_add_outside_ip_addr_field_size;
 466     u16 bulk_dslite_add_outside_start_port_field_type;
 467     u16 bulk_dslite_add_outside_start_port_field_size;
 468     u16 bulk_dslite_add_outside_end_port_field_type;
 469     u16 bulk_dslite_add_outside_end_port_field_size;
 470
 471     u16 bulk_dslite_del_template_id;
 472     u16 bulk_dslite_del_field_count;
 473     u16 bulk_dslite_del_inside_vrf_id_field_type;
 474     u16 bulk_dslite_del_inside_vrf_id_field_size;
 475     u16 bulk_dslite_del_inside_ip_addr_field_type;
 476     u16 bulk_dslite_del_inside_ip_addr_field_size;
 477     u16 bulk_dslite_del_inside_ipv6_addr_field_type;
 478     u16 bulk_dslite_del_inside_ipv6_addr_field_size;
 479     u16 bulk_dslite_del_outside_start_port_field_type;
 480     u16 bulk_dslite_del_outside_start_port_field_size;
 481
 482 #endif /* NO_BULK_LOGGING */
 483
 484     u16 nat44_session_add_template_id;
 485     u16 nat44_session_add_field_count;
 486     u16 nat44_session_add_inside_vrf_id_field_type;
 487     u16 nat44_session_add_inside_vrf_id_field_size;
 488     u16 nat44_session_add_outside_vrf_id_field_type;
 489     u16 nat44_session_add_outside_vrf_id_field_size;
 490     u16 nat44_session_add_inside_ip_addr_field_type;
 491     u16 nat44_session_add_inside_ip_addr_field_size;
 492     u16 nat44_session_add_outside_ip_addr_field_type;
 493     u16 nat44_session_add_outside_ip_addr_field_size;
 494     u16 nat44_session_add_inside_ip_port_field_type;
 495     u16 nat44_session_add_inside_ip_port_field_size;
 496     u16 nat44_session_add_outside_ip_port_field_type;
 497     u16 nat44_session_add_outside_ip_port_field_size;
 498     u16 nat44_session_add_dest_ip_addr_field_type;
 499     u16 nat44_session_add_dest_ip_addr_field_size;
 500     u16 nat44_session_add_dest_port_field_type;
 501     u16 nat44_session_add_dest_port_field_size;
 502     u16 nat44_session_add_protocol_field_type;
 503     u16 nat44_session_add_protocol_field_size;
 504
 505     u16 nat44_session_del_template_id;
 506     u16 nat44_session_del_field_count;
 507     u16 nat44_session_del_inside_vrf_id_field_type;
 508     u16 nat44_session_del_inside_vrf_id_field_size;
 509     u16 nat44_session_del_inside_ip_addr_field_type;
 510     u16 nat44_session_del_inside_ip_addr_field_size;
 511     u16 nat44_session_del_dest_ip_addr_field_type;
 512     u16 nat44_session_del_dest_ip_addr_field_size;
 513     u16 nat44_session_del_inside_ip_port_field_type;
 514     u16 nat44_session_del_inside_ip_port_field_size;
 515     u16 nat44_session_del_dest_port_field_type;
 516     u16 nat44_session_del_dest_port_field_size;
 517     u16 nat44_session_del_protocol_field_type;
 518     u16 nat44_session_del_protocol_field_size;
 519
 520 #if 0
 521     u16 add_dslite_session_template_id;
 522     u16 add_dslite_session_field_count;
 523     u16 add_dslite_session_inside_vrf_id_field_type;
 524     u16 add_dslite_session_inside_vrf_id_field_size;
 525     u16 add_dslite_session_outside_vrf_id_field_type;
 526     u16 add_dslite_session_outside_vrf_id_field_size;
 527     u16 add_dslite_session_inside_ip_addr_field_type;
 528     u16 add_dslite_session_inside_ip_addr_field_size;
 529     u16 add_dslite_session_inside_ipv6_addr_field_type;
 530     u16 add_dslite_session_inside_ipv6_addr_field_size;
 531     u16 add_dslite_session_outside_ip_addr_field_type;
 532     u16 add_dslite_session_outside_ip_addr_field_size;
 533     u16 add_dslite_session_inside_ip_port_field_type;
 534     u16 add_dslite_session_inside_ip_port_field_size;
 535     u16 add_dslite_session_outside_ip_port_field_type;
 536     u16 add_dslite_session_outside_ip_port_field_size;
 537     u16 add_dslite_session_dest_ip_addr_field_type;
 538     u16 add_dslite_session_dest_ip_addr_field_size;
 539     u16 add_dslite_session_dest_port_field_type;
 540     u16 add_dslite_session_dest_port_field_size;
 541     u16 add_dslite_session_protocol_field_type;
 542     u16 add_dslite_session_protocol_field_size;
 543
 544     u16 del_dslite_session_template_id;
 545     u16 del_dslite_session_field_count;
 546     u16 del_dslite_session_inside_vrf_id_field_type;
 547     u16 del_dslite_session_inside_vrf_id_field_size;
 548     u16 del_dslite_session_inside_ip_addr_field_type;
 549     u16 del_dslite_session_inside_ip_addr_field_size;
 550     u16 del_dslite_session_inside_ipv6_addr_field_type;
 551     u16 del_dslite_session_inside_ipv6_addr_field_size;
 552     u16 del_dslite_session_dest_ip_addr_field_type;
 553     u16 del_dslite_session_dest_ip_addr_field_size;
 554     u16 del_dslite_session_inside_ip_port_field_type;
 555     u16 del_dslite_session_inside_ip_port_field_size;
 556     u16 del_dslite_session_dest_port_field_type;
 557     u16 del_dslite_session_dest_port_field_size;
 558     u16 del_dslite_session_protocol_field_type;
 559     u16 del_dslite_session_protocol_field_size;
 560 #endif
 561
 562     /*
 563      * Netflow option template
 564      * Ingress VRF ID - Name mapping
 565      * This template will be sent under flowset id 1
 566      */
 567     cnat_nfv9_option_template_t cnat_nfv9_option_template;
 568 } cnat_nfv9_template_t;
 569
 570 /*
 571  * The Dataflow header for each add/delete record group
 572  */
 573 typedef struct {
 574     u16 dataflow_template_id;
 575     u16 dataflow_length;
 576 } nfv9_dataflow_record_header_t;
 577
 578 /*
 579  * NFv9 Add record definition
 580  */
 581
 582 /*
 583  * pad bytes needed to make the structure a multiple of 4 bytes
 584  */
 585 #define CNAT_NFV9_ADD_RECORD_PAD_BYTES (3)
 586 #define CNAT_NFV9_DEL_RECORD_PAD_BYTES (1)
 587
 588 #define CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES (3)
 589 #define CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES (1)
 590 #define CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES (1)
 591 #define CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES (3)
 592 #define CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES (1)
 593 #define CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES (3)
 594
 595 #define CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES (3)
 596 #define CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES (1)
 597 #define CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES (1)
 598 #define CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES (3)
 599
 600 #define CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES (0)
 601
 602 typedef struct {
 603     u32 inside_vrf_id;
 604     u32 outside_vrf_id;
 605     u32 inside_ip_addr;
 606     u32 outside_ip_addr;
 607     u16 inside_ip_port;
 608     u16 outside_ip_port;
 609     u8  protocol;
 610     u8  pad[CNAT_NFV9_ADD_RECORD_PAD_BYTES];
 611 } nfv9_add_record_t;
 612
 613 /*
 614  * NFv9 Delete record definition
 615  */
 616 typedef struct {
 617     u32 inside_vrf_id;
 618     u32 inside_ip_addr;
 619     u16 inside_ip_port;
 620     u8  protocol;
 621     u8  pad[CNAT_NFV9_DEL_RECORD_PAD_BYTES];
 622 } nfv9_del_record_t;
 623
 624 #ifndef NO_BULK_LOGGING
 625
 626 #define CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES (0)
 627 #define CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES (2)
 628
 629 typedef struct {
 630     u32 inside_vrf_id;
 631     u32 outside_vrf_id;
 632     u32 inside_ip_addr;
 633     u32 outside_ip_addr;
 634     u16 outside_ip_port_start;
 635     u16 outside_ip_port_end;
 636     u8  pad[CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES];
 637 } nfv9_bulk_add_record_t;
 638
 639 /*
 640  * NFv9 Delete record definition
 641  */
 642 typedef struct {
 643     u32 inside_vrf_id;
 644     u32 inside_ip_addr;
 645     u16 outside_ip_port_start;
 646     u8  pad[CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES];
 647 } nfv9_bulk_del_record_t;
 648
 649 /*
 650  * DS-lite bulk port (user based) add record definition
 651  */
 652
 653 #define CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES (0)
 654 #define CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES (2)
 655
 656 typedef struct {
 657     u32 inside_vrf_id;
 658     u32 outside_vrf_id;
 659     u32 inside_ip_addr;
 660     u32 inside_v6_src_addr[4];
 661     u32 outside_ip_addr;
 662     u16 outside_ip_port_start;
 663     u16 outside_ip_port_end;
 664     u8  pad[CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES];
 665 } nfv9_ds_lite_bulk_add_record_t;
 666
 667
 668 /*
 669  * DS-lite bulk port (user based) delete record definition
 670  */
 671
 672 typedef struct {
 673     u32 inside_vrf_id;
 674     u32 inside_ip_addr;
 675     u32 inside_v6_src_addr[4];
 676     u16 outside_ip_port_start;
 677     u8  pad[CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES];
 678 } nfv9_ds_lite_bulk_del_record_t;
 679
 680 #endif /* NO_BULK_LOGGING */
 681
 682 /* NAT64 related structures */
 683
 684 typedef struct {
 685     u32 inside_v6_src_addr[4];
 686     u32 outside_v4_src_addr;
 687     u16 inside_src_port;
 688     u16 outside_src_port;
 689     u8  protocol;
 690     u8  pad[CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES];
 691 } nfv9_nat64_add_bib_record_t;
 692
 693
 694 typedef struct {
 695     u32 inside_v6_src_addr[4];
 696     u32 outside_v4_src_addr;
 697     u32 inside_v6_dest_addr[4];
 698     u32 outside_v4_dest_addr;
 699     u16 inside_src_port;
 700     u16 outside_src_port;
 701     u16 dest_port;
 702     u8  protocol;
 703     u8  pad[CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES];
 704 } nfv9_nat64_add_session_record_t;
 705
 706
 707 typedef struct {
 708     u32 inside_v6_src_addr[4];
 709     u16 inside_src_port;
 710     u8  protocol;
 711     u8  pad[CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES];
 712 } nfv9_nat64_del_bib_record_t;
 713
 714
 715 typedef struct {
 716     u32 inside_v6_src_addr[4];
 717     u32 inside_v6_dest_addr[4];
 718     u16 inside_src_port;
 719     u16 dest_port;
 720     u8  protocol;
 721     u8  pad[CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES];
 722 } nfv9_nat64_del_session_record_t;
 723
 724 /*
 725  * NFv9 Session based Add record definition
 726  */
 727 typedef struct {
 728     u32 inside_vrf_id;
 729     u32 outside_vrf_id;
 730     u32 inside_ip_addr;
 731     u32 outside_ip_addr;
 732     u16 inside_ip_port;
 733     u16 outside_ip_port;
 734     u32 dest_ip_addr;
 735     u16 dest_port;
 736     u8  protocol;
 737     u8  pad[CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES];
 738 } nfv9_add_session_record_t;
 739
 740 /*
 741  * NFv9 Session based del record definition
 742  */
 743 typedef struct {
 744     u32 inside_vrf_id;
 745     u32 inside_ip_addr;
 746     u32 dest_ip_addr;
 747     u16 inside_ip_port;
 748     u16 dest_port;
 749     u8  protocol;
 750     u8  pad[CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES];
 751 } nfv9_del_session_record_t;
 752
 753 /*
 754  * DS-lite NFv9 create record structure
 755  */
 756 typedef struct {
 757     u32 inside_vrf_id;
 758     u32 outside_vrf_id;
 759     u32 inside_ip_addr;
 760     u32 inside_v6_src_addr[4];
 761     u32 outside_ip_addr;
 762     u16 inside_ip_port;
 763     u16 outside_ip_port;
 764     u8  protocol;
 765     u8  pad[CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES];
 766 } nfv9_ds_lite_add_record_t;
 767
 768 typedef struct {
 769     u32 inside_vrf_id;
 770     u32 inside_ip_addr;
 771     u32 inside_v6_src_addr[4];
 772     u16 inside_ip_port;
 773     u8  protocol;
 774     u8  pad[CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES];
 775 } nfv9_ds_lite_del_record_t;
 776
 777 /*
 778  * NFv9 Session based Add record definition
 779  */
 780 typedef struct {
 781     u32 inside_vrf_id;
 782     u32 outside_vrf_id;
 783     u32 inside_ip_addr;
 784     u32 inside_v6_src_addr[4];
 785     u32 outside_ip_addr;
 786     u16 inside_ip_port;
 787     u16 outside_ip_port;
 788     u32 dest_ip_addr;
 789     u16 dest_port;
 790     u8  protocol;
 791     u8  pad[CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES];
 792 } nfv9_ds_lite_add_session_record_t;
 793
 794 /*
 795  * NFv9 Session based del record definition
 796  */
 797 typedef struct {
 798     u32 inside_vrf_id;
 799     u32 inside_ip_addr;
 800     u32 inside_v6_src_addr[4];
 801     u32 dest_ip_addr;
 802     u16 inside_ip_port;
 803     u16 dest_port;
 804     u8  protocol;
 805     u8  pad[CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES];
 806 } nfv9_ds_lite_del_session_record_t;
 807
 808
 809 typedef struct {
 810     u32 ingress_vrf_id;
 811     u8  ingress_vrf_name[NFV9_VRF_NAME_LEN];
 812     u8  pad[CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES];
 813 } nfv9_ingress_vrfid_name_record_t;
 814
 815 #define CNAT_NFV9_TEMPLATE_OFFSET \
 816     (CNAT_NFV9_HDR_OFFSET + sizeof(nfv9_header_t))
 817
 818 #define CNAT_NFV9_TEMPLATE_LENGTH (sizeof(cnat_nfv9_template_t))
 819 #define CNAT_NFV9_OPTION_TEMPLATE_LENGTH (sizeof(cnat_nfv9_option_template_t))
 820
 821 #define CNAT_NFV9_DATAFLOW_RECORD_HEADER_LENGTH \
 822             (sizeof(nfv9_dataflow_record_header_t))
 823
 824 /*
 825  * No padding is needed for the add/delete records - reduce padding bytes
 826  */
 827
 828 #define CNAT_NFV9_ADD_RECORD_LENGTH (sizeof(nfv9_add_record_t) - \
 829                                      CNAT_NFV9_ADD_RECORD_PAD_BYTES)
 830
 831 #define CNAT_NFV9_DEL_RECORD_LENGTH (sizeof(nfv9_del_record_t) - \
 832                                      CNAT_NFV9_DEL_RECORD_PAD_BYTES)
 833
 834 #define CNAT_NFV9_DS_LITE_ADD_RECORD_LENGTH (sizeof(nfv9_ds_lite_add_record_t) - \
 835                                      CNAT_NFV9_DS_LITE_ADD_RECORD_PAD_BYTES)
 836 #define CNAT_NFV9_DS_LITE_DEL_RECORD_LENGTH (sizeof(nfv9_ds_lite_del_record_t) - \
 837                                      CNAT_NFV9_DS_LITE_DEL_RECORD_PAD_BYTES)
 838 #ifndef NO_BULK_LOGGING
 839 #define CNAT_NFV9_BULK_ADD_RECORD_LENGTH (sizeof(nfv9_bulk_add_record_t) - \
 840                                     CNAT_NFV9_BULK_ADD_RECORD_PAD_BYTES)
 841 #define CNAT_NFV9_BULK_DEL_RECORD_LENGTH (sizeof(nfv9_bulk_del_record_t) - \
 842                                       CNAT_NFV9_BULK_DEL_RECORD_PAD_BYTES)
 843
 844 #define CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_LENGTH (sizeof(nfv9_ds_lite_bulk_add_record_t) - \
 845                                     CNAT_NFV9_DS_LITE_BULK_ADD_RECORD_PAD_BYTES)
 846 #define CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_LENGTH (sizeof(nfv9_ds_lite_bulk_del_record_t) - \
 847                                       CNAT_NFV9_DS_LITE_BULK_DEL_RECORD_PAD_BYTES)
 848
 849
 850 #endif /* NO_BULK_LOGGING */
 851
 852 #define CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_LENGTH (sizeof(nfv9_ingress_vrfid_name_record_t) - \
 853                                       CNAT_NFV9_INGRESS_VRFID_NAME_RECORD_PAD_BYTES)
 854
 855 #define CNAT_NFV9_NAT64_ADD_BIB_RECORD_LENGTH  \
 856     (sizeof(nfv9_nat64_add_bib_record_t) -  \
 857      CNAT_NFV9_NAT64_ADD_BIB_RECORD_PAD_BYTES)
 858
 859 #define CNAT_NFV9_NAT64_DEL_BIB_RECORD_LENGTH  \
 860     (sizeof(nfv9_nat64_del_bib_record_t) - \
 861      CNAT_NFV9_NAT64_DEL_BIB_RECORD_PAD_BYTES)
 862
 863 #define CNAT_NFV9_NAT64_ADD_SESSION_RECORD_LENGTH  \
 864     (sizeof(nfv9_nat64_add_session_record_t) -  \
 865      CNAT_NFV9_NAT64_ADD_SESSION_RECORD_PAD_BYTES)
 866
 867 #define CNAT_NFV9_NAT64_DEL_SESSION_RECORD_LENGTH  \
 868     (sizeof(nfv9_nat64_del_session_record_t) - \
 869      CNAT_NFV9_NAT64_DEL_SESSION_RECORD_PAD_BYTES)
 870
 871 #define CNAT_NFV9_MAX_SINGLE_RECORD_LENGTH \
 872     (sizeof(nfv9_ds_lite_add_session_record_t) - \
 873      CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES)
 874
 875 #define CNAT_NFV9_NAT44_ADD_SESSION_RECORD_LENGTH \
 876                     (sizeof(nfv9_add_session_record_t) -\
 877                     CNAT_NFV9_NAT44_ADD_SESSION_RECORD_PAD_BYTES)
 878
 879 #define CNAT_NFV9_NAT44_DEL_SESSION_RECORD_LENGTH \
 880                     (sizeof(nfv9_del_session_record_t) -\
 881                     CNAT_NFV9_NAT44_DEL_SESSION_RECORD_PAD_BYTES)
 882
 883 #define CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_LENGTH \
 884                     (sizeof(nfv9_ds_lite_add_session_record_t) -\
 885                     CNAT_NFV9_DS_LITE_ADD_SESSION_RECORD_PAD_BYTES)
 886
 887 #define CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_LENGTH \
 888                     (sizeof(nfv9_ds_lite_del_session_record_t) -\
 889                     CNAT_NFV9_DS_LITE_DEL_SESSION_RECORD_PAD_BYTES)
 890
 891 /*
 892  * Minimum value of the path MTU value
 893  */
 894 #define CNAT_NFV9_MIN_RECORD_SIZE (60 +                                      \
 895                                    CNAT_NFV9_DATAFLOW_RECORD_HEADER_LENGTH + \
 896                                    CNAT_NFV9_TEMPLATE_LENGTH  +              \
 897                                    CNAT_NFV9_MAX_SINGLE_RECORD_LENGTH)
 898
 899 /*
 900  * Let us put the maximum length of the netflow data to be 1400
 901  */
 902 #define CNAT_NFV9_MAX_PKT_LENGTH 1400
 903
 904 /*
 905  * Data structures and defines to store NFV9 specific info
 906  */
 907 #define CNAT_NFV9_INVALID_LOGGING_INDEX  0xffffffff
 908
 909 /*
 910  * Padding value between ADD and DELETE records.  This can be atmost 3 bytes
 911  */
 912 #define NFV9_PAD_VALUE (3)
 913
 914 typedef struct {
 915     /* NFV9 server specific info
 916      * For now, it will maintain only package sequence count.
 917      * Later it will maintain server address, port, etc.
 918      * Though it currently has server address and port, it is only for
 919      * cross refernce
 920      */
 921     u32 ipv4_address; /* Destination IP address of the collector */
 922     u16 port;     /* Destination port number of the collector */
 923     u16 refresh_rate; /* Refresh rate in packets after which template is sent */
 924     u16 timeout_rate; /* Timeout rate in seconds after which template is sent */
 925     u16 ref_count; /* Num of instances using this data */
 926     u32 sequence_num; /* Sequence number of the logging packet */
 927     /*
 928      * Keep track of the time and packets since last template send
 929      */
 930     u32 last_template_sent_time;
 931     u32 pkts_since_last_template;
 932     u8  template_sent; /* used while sending vrfid-name mapping */
 933
 934 } nfv9_server_info_t;
 935
 936 /*
 937  * This structure store the Netflow Logging information on per NFv9
 938  * collector basis. This structure is allocated from a pool and index
 939  * to this structure is stored VRF MAP structures
 940  */
 941 typedef struct {
 942     /*
 943      * nat64_id will be 0 for nat44 config and i_vrf_id, i_vrf will be 0
 944      * for nat64 config. Nat64_id will be used while nat64 collector is
 945      * search and i_vrf* for nat44 collector
 946      */
 947      /* Similarly for ds_lite, ds_lite_id will be used and nat64_id,
 948       * ivrf_id shall be set to 0
 949       */
 950     u32 i_vrf_id; /* Inside VRF ID corresponding to this collector */
 951     u16 i_vrf;    /* Inside VRF (uidb_index) corresponding to this collector */
 952     u16 nat64_id; /* NAT64 instance for to this collector */
 953     u16 ds_lite_id; /* DS Lite instance for this collector */
 954
 955     /*
 956      * This field determines the maximum size of the Netflow V9 information
 957      * that can be stored in a logging packet
 958      */
 959     u16 max_length_minus_max_record_size;
 960
 961     /*
 962      * Indicates if the entry is already deleted
 963      */
 964     u16 deleted;
 965
 966     u16 pkt_length;         /* Length of the currently NFv9 information */
 967     u16 record_length[MAX_RECORDS];  /* Length of delete record */
 968     u16 total_record_count; /* Total number of records including templates */
 969
 970     u8  logging_policy;
 971
 972     /*
 973      * Keep track of the time and packets since last template send
 974      */
 975     u32 last_template_sent_time;
 976     u32 pkts_since_last_template;
 977
 978     /* Server info */
 979     u32 server_index;
 980
 981     /*
 982      * current logging context
 983      */
 984     vlib_buffer_t *current_logging_context;
 985
 986     /*
 987      * Timestamp in UNIX seconds corresponding to when the current
 988      * logging packet was created
 989      */
 990     u32 current_logging_context_timestamp;
 991
 992     /*
 993      * Queued logging context waiting to be sent to the l3 infra node
 994      */
 995     vlib_buffer_t *queued_logging_context;
 996
 997     /*
 998      * Headers corresponding to various records in this
 999      * current nfv9 logging context
1000      */
1001     nfv9_header_t                  *nfv9_header;
1002     cnat_nfv9_template_t           *nfv9_template_header;
1003     nfv9_dataflow_record_header_t  *dataflow_header;
1004     u8                             *record[MAX_RECORDS];
1005     u8                             *next_data_ptr;
1006     u8                             last_record;
1007     u32                            nfv9_logging_next_index;
1008     u32 ip4_input_node_index;
1009     vlib_frame_t                 *f;
1010     u32                          *to_next;
1011 } cnat_nfv9_logging_info_t;
1012
1013
1014 /*
1015  * Global structure for CGN APP configuration
1016  */
1017 typedef struct {
1018     /*
1019      * Global NFv9 Logging Collector Index
1020      */
1021     u32 cnat_nfv9_global_collector_index;
1022
1023     /*
1024      * Node index corresponding to the infra L3 output node
1025      * to which the nfv9 logging node will send the packet
1026      */
1027     u16 cnat_nfv9_disp_node_index;
1028
1029     /*
1030      * Whether we have initialized the NFv9 information
1031      */
1032     u8 cnat_nfv9_init_done;
1033 } cnat_nfv9_global_info_t;
1034
1035 typedef enum {
1036     cnat_nfv9_template_add_default,
1037     cnat_nfv9_template_add_always
1038 } cnat_nfv9_template_add_flag_t;
1039
1040 extern cnat_nfv9_template_t cnat_nfv9_template_info;
1041
1042 extern cnat_nfv9_logging_info_t cnat_default_nfv9_logging_info;
1043 extern cnat_nfv9_logging_info_t *cnat_nfv9_logging_info_pool;
1044
1045 extern cnat_nfv9_global_info_t  cnat_nfv9_global_info;
1046 extern nfv9_server_info_t *nfv9_server_info_pool;
1047
1048 /* #define DEBUG_NF_SERVER_CONFIG 1 */
1049 static inline void nfv9_delete_server_info(cnat_nfv9_logging_info_t *nfv9_info)
1050 {
1051     nfv9_server_info_t *server =  nfv9_server_info_pool +
1052         nfv9_info->server_index;
1053     if(nfv9_info->server_index == EMPTY) {
1054 #ifdef DEBUG_NF_SERVER_CONFIG
1055         if(my_instance_number == 1) {
1056             PLATFORM_DEBUG_PRINT("Deleting empty server info\n");
1057         }
1058 #endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
1059         return;
1060     }
1061
1062     /* Check if this server is not used by anyone.. if not delete */
1063     /* Caller of this function does not need it..so decrement ref count */
1064     server->ref_count--;
1065     if(!(server->ref_count)) {
1066 #ifdef DEBUG_NF_SERVER_CONFIG
1067         if(my_instance_number == 1) {
1068             PLATFORM_DEBUG_PRINT("Deleting nfv9 server %x, %d at %d\n",
1069             server->ipv4_address,
1070             server->port,
1071             nfv9_info->server_index);
1072         }
1073 #endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
1074         pool_put(nfv9_server_info_pool, server);
1075         nfv9_info->server_index = EMPTY;
1076     }
1077 #ifdef DEBUG_NF_SERVER_CONFIG
1078     else {
1079         if(my_instance_number == 1) {
1080             PLATFORM_DEBUG_PRINT("Not Deleting nfv9 server %x, %d rc %d\n",
1081             server->ipv4_address,
1082             server->port,
1083             server->ref_count);
1084         }
1085     }
1086 #endif /* #ifdef DEBUG_NF_SERVER_CONFIG */
1087     return;
1088 }
1089
1090 void handle_pending_nfv9_pkts();
1091 #endif /* __CNAT_LOGGING_H__ */