ldp/ldp_struct.h

   1
   2 /*
   3  *  Copyright (C) James R. Leu 2000
   4  *  jleu@mindspring.com
   5  *
   6  *  This software is covered under the LGPL, for more
   7  *  info check out http://www.gnu.org/copyleft/lgpl.html
   8  */
   9
  10 #ifndef _LDP_STRUCT_H_
  11 #define _LDP_STRUCT_H_
  12
  13 #include "mpls_struct.h"
  14 #include "mpls_list.h"
  15 #include "mpls_refcnt.h"
  16
  17 MPLS_LIST_ROOT(ldp_outlabel_list, ldp_outlabel);
  18 MPLS_LIST_ROOT(ldp_resource_list, ldp_resource);
  19 MPLS_LIST_ROOT(ldp_hop_list_list, ldp_hop_list);
  20 MPLS_LIST_ROOT(ldp_inlabel_list, ldp_inlabel);
  21 MPLS_LIST_ROOT(ldp_session_list, ldp_session);
  22 MPLS_LIST_ROOT(ldp_entity_list, ldp_entity);
  23 MPLS_LIST_ROOT(ldp_tunnel_list, ldp_tunnel);
  24 MPLS_LIST_ROOT(ldp_addr_list, ldp_addr);
  25 MPLS_LIST_ROOT(ldp_attr_list, ldp_attr);
  26 MPLS_LIST_ROOT(ldp_peer_list, ldp_peer);
  27 MPLS_LIST_ROOT(ldp_l2cc_list, ldp_l2cc);
  28 MPLS_LIST_ROOT(_ldp_hop_list, ldp_hop);
  29 MPLS_LIST_ROOT(ldp_adj_list, ldp_adj);
  30 MPLS_LIST_ROOT(ldp_fec_list, ldp_fec);
  31 MPLS_LIST_ROOT(ldp_fs_list, ldp_fs);
  32 MPLS_LIST_ROOT(ldp_if_list, ldp_if);
  33
  34 typedef struct ldp_attr_list ldp_attr_list;
  35
  36 typedef enum {
  37   LDP_UNKNOWN = 0,
  38   LDP_DIRECT,
  39   LDP_INDIRECT,
  40 } ldp_entity_type_enum;
  41
  42 typedef enum {
  43   LDP_CONTROL_INDEPENDENT = 1,
  44   LDP_CONTROL_ORDERED
  45 } ldp_control_mode;
  46
  47 typedef enum {
  48   LDP_RETENTION_LIBERAL = 1,
  49   LDP_RETENTION_CONSERVATIVE
  50 } ldp_retention_mode;
  51
  52 typedef enum {
  53   LDP_REPAIR_LOCAL = 1,
  54   LDP_REPAIR_GLOBAL
  55 } ldp_repaire_mode;
  56
  57 typedef enum {
  58   LDP_LOOP_NONE = 0,
  59   LDP_LOOP_HOPCOUNT,
  60   LDP_LOOP_PATHVECTOR,
  61   LDP_LOOP_HOPCOUNT_PATHVECTOR,
  62   LDP_LOOP_OTHER,
  63 } ldp_loop_detection_mode;
  64
  65 typedef enum {
  66   LDP_TRANS_ADDR_NONE = 0,
  67   LDP_TRANS_ADDR_INTERFACE,
  68   LDP_TRANS_ADDR_LSRID
  69 } ldp_trans_addr_mode;
  70
  71 typedef enum {
  72   LDP_DISTRIBUTION_UNSOLICITED = 0,
  73   LDP_DISTRIBUTION_ONDEMAND = 1,
  74 } ldp_distribution_mode;
  75
  76 typedef enum {
  77   LDP_INFINIT = 0,
  78 } ldp_count;
  79
  80 typedef enum {
  81   LDP_NONE,
  82   LDP_PASSIVE,
  83   LDP_ACTIVE
  84 } ldp_role_enum;
  85
  86 typedef enum {
  87   LDP_EVENT_HELLO = 0,
  88   LDP_EVENT_CONNECT,
  89   LDP_EVENT_INIT,
  90   LDP_EVENT_KEEP,
  91   LDP_EVENT_ADDR,
  92   LDP_EVENT_LABEL,
  93   LDP_EVENT_NOTIF,
  94   LDP_EVENT_CLOSE,
  95   LDP_EVENT_HTIMER,
  96   LDP_EVENT_KTIMER,
  97   LDP_EVENT_TCP_LISTEN,
  98   LDP_EVENT_TCP_CONNECT,
  99   LDP_EVENT_UDP_DATA,
 100   LDP_EVENT_TCP_DATA,
 101 } ldp_event_enum;
 102
 103 typedef enum {
 104   LDP_STATE_NONE = 0,
 105   LDP_STATE_NON_EXIST,
 106   LDP_STATE_INITIALIZED,
 107   LDP_STATE_OPENSENT,
 108   LDP_STATE_OPENREC,
 109   LDP_STATE_OPERATIONAL
 110 } ldp_state_enum;
 111
 112 typedef enum {
 113   LDP_KEEPALIVE_RECV = 1,
 114   LDP_KEEPALIVE_SEND
 115 } ldp_keepalive_type;
 116
 117 typedef enum {
 118   LDP_LSP_STATE_REQ_RECV,
 119   LDP_LSP_STATE_REQ_SENT,
 120   LDP_LSP_STATE_MAP_RECV,
 121   LDP_LSP_STATE_MAP_SENT,
 122   LDP_LSP_STATE_WITH_SENT,
 123   LDP_LSP_STATE_WITH_RECV,
 124   LDP_LSP_STATE_NO_LABEL_RESOURCE_SENT,
 125   LDP_LSP_STATE_NO_LABEL_RESOURCE_RECV,
 126   LDP_LSP_STATE_ABORT_SENT,
 127   LDP_LSP_STATE_ABORT_RECV,
 128   LDP_LSP_STATE_NOTIF_SENT,
 129   LDP_LSP_STATE_NOTIF_RECV
 130 } ldp_lsp_state;
 131
 132 typedef enum {
 133   LDP_TRACE_FLAG_ADDRESS = 0x00000001,
 134   LDP_TRACE_FLAG_BINDING = 0x00000002,
 135   LDP_TRACE_FLAG_DEBUG = 0x00000004,
 136   LDP_TRACE_FLAG_ERROR = 0x00000008,
 137   LDP_TRACE_FLAG_EVENT = 0x00000010,
 138   LDP_TRACE_FLAG_GENERAL = 0x00000020,
 139   LDP_TRACE_FLAG_INIT = 0x00000040,
 140   LDP_TRACE_FLAG_LABEL = 0x00000080,
 141   LDP_TRACE_FLAG_NORMAL = 0x00000100,
 142   LDP_TRACE_FLAG_NOTIF = 0x00000200,
 143   LDP_TRACE_FLAG_PACKET_DUMP = 0x00000400,
 144   LDP_TRACE_FLAG_PACKET = 0x00000800,
 145   LDP_TRACE_FLAG_PATH = 0x00001000,
 146   LDP_TRACE_FLAG_PERIODIC = 0x00002000,
 147   LDP_TRACE_FLAG_POLICY = 0x00004000,
 148   LDP_TRACE_FLAG_ROUTE = 0x00008000,
 149   LDP_TRACE_FLAG_STATE = 0x00010000,
 150   LDP_TRACE_FLAG_TASK = 0x00020000,
 151   LDP_TRACE_FLAG_TIMER = 0x00040000,
 152   LDP_TRACE_FLAG_ALL = 0xFFFFFFFF
 153 } ldp_trace_flags;
 154
 155 typedef enum {
 156   LDP_NOTIF_NONE = 0,
 157   LDP_NOTIF_SUCCESS,
 158   LDP_NOTIF_BAD_LDP_ID,
 159   LDP_NOTIF_BAD_PROTO,
 160   LDP_NOTIF_BAD_PDU_LEN,
 161   LDP_NOTIF_UNKNOWN_MESG,
 162   LDP_NOTIF_BAD_MESG_LEN,
 163   LDP_NOTIF_UNKNOWN_TVL,
 164   LDP_NOTIF_BAD_TLV_LEN,
 165   LDP_NOTIF_MALFORMED_TLV,
 166   LDP_NOTIF_HOLD_TIMER_EXPIRED,
 167   LDP_NOTIF_SHUTDOWN,
 168   LDP_NOTIF_LOOP_DETECTED,
 169   LDP_NOTIF_UNKNOWN_FEC,
 170   LDP_NOTIF_NO_ROUTE,
 171   LDP_NOTIF_NO_LABEL_RESOURCES_AVAILABLE,
 172   LDP_NOTIF_LABEL_RESOURCES_AVAILABLE,
 173   LDP_NOTIF_SESSION_REJECTED_NO_HELLO,
 174   LDP_NOTIF_SESSION_REJECTED_PARAMETERS_ADVERTISEMENT_MODE,
 175   LDP_NOTIF_SESSION_REJECTED_PARAMETERS_MAX_PDU_LEN,
 176   LDP_NOTIF_SESSION_REJECTED_PARAMETERS_LABEL_RANGE,
 177   LDP_NOTIF_KEEPALIVE_TIMER_EXPIRED,
 178   LDP_NOTIF_LABEL_ABORT,
 179   LDP_NOTIF_MISSING_MSG_PARAMS,
 180   LDP_NOTIF_UNSUPORTED_AF,
 181   LDP_NOTIF_SESSION_REJECTED_BAD_KEEPALIVE_TIME,
 182   LDP_NOTIF_INTERNAL_ERROR
 183 } ldp_notif_status;
 184
 185 #define LDP_STATE_NUM 6
 186 #define LDP_EVENT_NUM 10
 187 #define LDP_FUNC_NUM 10
 188
 189 #include "ldp_defaults.h"
 190 #include "mpls_handle_type.h"
 191 #include "ldp_nortel.h"
 192
 193 typedef struct ldp_mesg {
 194   mplsLdpHeader_t header;
 195   union {
 196     mplsLdpMsg_t generic;
 197     mplsLdpInitMsg_t init;
 198     mplsLdpNotifMsg_t notif;
 199     mplsLdpHelloMsg_t hello;
 200     mplsLdpKeepAlMsg_t keep;
 201     mplsLdpAdrMsg_t addr;
 202     mplsLdpLblMapMsg_t map;
 203     mplsLdpLblReqMsg_t request;
 204     mplsLdpLbl_W_R_Msg_t release;
 205     mplsLdpLblAbortMsg_t abort;
 206   } u;
 207 } ldp_mesg;
 208
 209 typedef struct ldp_buf {
 210   uint8_t *buffer;
 211   uint8_t *current;
 212   int current_size;
 213   int size;
 214   int total;
 215   int want;
 216 } ldp_buf;
 217
 218 typedef struct ldp_global {
 219   struct ldp_outlabel_list outlabel;
 220   struct ldp_resource_list resource;
 221   struct ldp_hop_list_list hop_list;
 222   struct ldp_inlabel_list inlabel;
 223   struct ldp_session_list session;
 224   struct ldp_tunnel_list tunnel;
 225   struct ldp_entity_list entity;
 226   struct ldp_peer_list peer;
 227   struct ldp_attr_list attr;
 228   struct ldp_l2cc_list l2cc;
 229   struct ldp_adj_list adj;
 230   struct ldp_if_list iff;
 231
 232   mpls_lock_handle global_lock;
 233   mpls_instance_handle user_data;
 234
 235   mpls_tree_handle addr_tree;
 236   mpls_tree_handle fec_tree;
 237   mpls_tree_handle nh_tree;
 238
 239   mpls_socket_handle hello_socket;
 240   mpls_socket_handle listen_socket;
 241
 242   mpls_timer_mgr_handle timer_handle;
 243   mpls_socket_mgr_handle socket_handle;
 244   mpls_fib_handle fib_handle;
 245   mpls_ifmgr_handle ifmgr_handle;
 246
 247 #if MPLS_USE_LSR
 248   mpls_cfg_handle lsr_handle;
 249 #else
 250   mpls_mpls_handle mpls_handle;
 251 #endif
 252
 253   /*
 254    * CSN changes with every MIB set, BUT only when a entity goes through
 255    * shutdown/startup cycle will it grab the new CSN and use it in hellos
 256    */
 257   uint32_t configuration_sequence_number;
 258
 259   /*
 260    * Message ID increaments with EVERY message, this means it will roll over
 261    */
 262   uint32_t message_identifier;
 263
 264   struct mpls_inet_addr lsr_identifier;
 265   mpls_bool send_address_messages;
 266   mpls_bool send_lsrid_mapping;
 267   ldp_control_mode lsp_control_mode;
 268   ldp_retention_mode label_retention_mode;
 269   ldp_repaire_mode lsp_repair_mode;
 270   mpls_bool propagate_release;
 271   mpls_bool label_merge;
 272   ldp_loop_detection_mode loop_detection_mode;
 273   mpls_bool ttl_less_domain;
 274   uint16_t local_tcp_port;
 275   uint16_t local_udp_port;
 276   uint16_t backoff_step;
 277   int no_route_to_peer_time;
 278
 279   /*
 280    * some global defaults, entities will inherit these values unless
 281    * instructed otherwise
 282    */
 283   struct mpls_inet_addr transport_address;
 284   uint16_t keepalive_timer;
 285   uint16_t keepalive_interval;
 286   uint16_t hellotime_timer;
 287   uint16_t hellotime_interval;
 288
 289   mpls_admin_state_enum admin_state;
 290 } ldp_global;
 291
 292 typedef struct ldp_entity {
 293   MPLS_REFCNT_FIELD;
 294   MPLS_LIST_ELEM(ldp_entity) _global;
 295   struct ldp_adj_list adj_root;
 296
 297   ldp_entity_type_enum entity_type;
 298   union {
 299     struct ldp_peer *peer;
 300     struct ldp_if *iff;
 301   } p;
 302
 303   ldp_state_enum state;
 304   uint32_t inherit_flag;
 305   uint32_t sub_index;
 306   uint32_t index;
 307   struct mpls_inet_addr transport_address;
 308   uint8_t protocol_version;
 309   uint16_t remote_tcp_port;
 310   uint16_t remote_udp_port;
 311   uint16_t max_pdu;
 312   uint16_t keepalive_timer;
 313   uint16_t keepalive_interval;
 314   uint16_t hellotime_timer;
 315   uint16_t hellotime_interval;
 316   uint16_t session_setup_count;
 317   uint16_t session_backoff_timer;
 318   ldp_distribution_mode label_distribution_mode;
 319   uint8_t path_vector_limit;
 320   uint8_t hop_count_limit;
 321   uint8_t label_request_count;
 322   uint16_t label_request_timer;
 323   ldp_loop_detection_mode loop_detection_mode;
 324   mpls_admin_state_enum admin_state;
 325   mpls_bool remote_in_ttl_less_domain;
 326   mpls_bool request_retry;
 327
 328   /* mesg counters */
 329   uint32_t mesg_tx;
 330   uint32_t mesg_rx;
 331
 332   /* only used for cfg gets */
 333   int adj_index;
 334   int adj_count;
 335 } ldp_entity;
 336
 337 typedef struct ldp_if {
 338   MPLS_REFCNT_FIELD;
 339   MPLS_LIST_ELEM(ldp_if) _global;
 340   struct ldp_entity *entity;
 341   mpls_timer_handle hellotime_send_timer;
 342   int hellotime_send_timer_duration;
 343   int label_space;
 344   uint32_t index;
 345   struct mpls_inet_addr local_source_address;
 346   mpls_if_handle handle;
 347
 348   struct ldp_mesg *tx_message;
 349   struct ldp_buf *tx_buffer;
 350   struct ldp_mesg *hello;
 351
 352   /* YES this is a dest, it is what we use for sendto */
 353   struct mpls_dest dest;
 354
 355   char name[MPLS_MAX_IF_NAME];
 356   mpls_oper_state_enum oper_state;
 357
 358   /* only used for cfg gets */
 359   uint32_t entity_index;
 360 } ldp_if;
 361
 362 typedef struct ldp_peer {
 363   MPLS_REFCNT_FIELD;
 364   MPLS_LIST_ELEM(ldp_peer) _global;
 365   struct ldp_entity *entity;
 366   mpls_timer_handle no_route_to_peer_timer;
 367   mpls_timer_handle hellotime_send_timer;
 368   int hellotime_send_timer_duration;
 369   int label_space;
 370   uint32_t index;
 371   struct mpls_inet_addr local_source_address;
 372
 373   struct ldp_mesg *tx_message;
 374   struct ldp_buf *tx_buffer;
 375   struct ldp_mesg *hello;
 376
 377   /* YES this is a dest, it is what we use for sendto */
 378   struct mpls_dest dest;
 379   ldp_role_enum target_role;
 380
 381   char peer_name[MPLS_MAX_IF_NAME];
 382   mpls_oper_state_enum oper_state;
 383
 384   /* only used for cfg gets */
 385   uint32_t entity_index;
 386 } ldp_peer;
 387
 388 typedef struct ldp_session {
 389   MPLS_REFCNT_FIELD;
 390   MPLS_LIST_ELEM(ldp_session) _global;
 391   struct ldp_outlabel_list outlabel_root;
 392   struct mpls_link_list inlabel_root;
 393   struct mpls_link_list addr_root;
 394   struct ldp_attr_list attr_root;
 395   struct ldp_adj_list adj_root;
 396   mpls_timer_handle initial_distribution_timer;
 397   mpls_timer_handle keepalive_recv_timer;
 398   mpls_timer_handle keepalive_send_timer;
 399   uint32_t index;
 400   ldp_state_enum state;
 401   uint32_t oper_up;
 402   ldp_notif_status shutdown_notif;
 403   mpls_bool shutdown_fatal;
 404   mpls_socket_handle socket;
 405   mpls_timer_handle backoff_timer;
 406   int backoff;
 407
 408   /* operational values learned from initialization */
 409   int oper_max_pdu;
 410   int oper_keepalive;
 411   int oper_keepalive_interval;
 412   int oper_path_vector_limit;
 413   ldp_distribution_mode oper_distribution_mode;
 414   ldp_loop_detection_mode oper_loop_detection;
 415
 416   /* these values are learned form the remote peer */
 417   ldp_distribution_mode remote_distribution_mode;
 418   mpls_bool remote_loop_detection;
 419   int remote_path_vector_limit;
 420   int remote_keepalive;
 421   int remote_max_pdu;
 422   mpls_dest remote_dest;
 423
 424
 425
 426   uint8_t session_name[20]; /* xxx.xxx.xxx.xxx:yyy\0 */
 427
 428   mpls_bool no_label_resource_sent;
 429   mpls_bool no_label_resource_recv;
 430   mpls_bool on_global;
 431
 432   /* various message and buffers used for tx and rx */
 433   struct ldp_mesg *keepalive;
 434   struct ldp_mesg *tx_message;
 435   struct ldp_buf *tx_buffer;
 436
 437   /* cached from adj's */
 438   ldp_role_enum oper_role;
 439
 440   /* these are config values come from entity */
 441   ldp_loop_detection_mode cfg_loop_detection_mode;
 442   ldp_distribution_mode cfg_distribution_mode;
 443   mpls_bool cfg_remote_in_ttl_less_domain;
 444   int cfg_label_request_count;
 445   int cfg_label_request_timer;
 446   uint16_t cfg_peer_tcp_port;
 447   int cfg_path_vector_limit;
 448   int cfg_hop_count_limit;
 449   int cfg_label_space;
 450   int cfg_keepalive;
 451   int cfg_max_pdu;
 452
 453   /* mesg counters */
 454   uint32_t mesg_tx;
 455   uint32_t mesg_rx;
 456
 457   /* only used by cfg gets */
 458   uint32_t adj_index;
 459 } ldp_session;
 460
 461 typedef struct ldp_adj {
 462   MPLS_REFCNT_FIELD;
 463   MPLS_LIST_ELEM(ldp_adj) _global;
 464   MPLS_LIST_ELEM(ldp_adj) _session;
 465   MPLS_LIST_ELEM(ldp_adj) _entity;
 466   struct ldp_session *session;
 467   struct ldp_entity *entity;
 468   mpls_timer_handle hellotime_recv_timer;
 469   mpls_oper_state_enum state;
 470   ldp_role_enum role;
 471   uint32_t index;
 472
 473   /* these values are learned form the remote peer */
 474   struct mpls_inet_addr remote_transport_address;
 475   struct mpls_inet_addr remote_source_address;
 476   struct mpls_inet_addr remote_lsr_address;
 477   int remote_label_space;
 478   int remote_hellotime;
 479   uint32_t remote_csn;
 480
 481   /* only used by cfg gets */
 482   uint32_t session_index;
 483   uint32_t entity_index;
 484 } ldp_adj;
 485
 486 typedef struct ldp_addr {
 487   MPLS_REFCNT_FIELD;
 488   MPLS_LIST_ELEM(ldp_addr) _addr;
 489   struct ldp_l2cc_list l2cc_root;
 490   struct mpls_link_list session_root;
 491   struct ldp_fec_list fec_root;
 492   struct mpls_inet_addr address;
 493   uint32_t index;
 494 } ldp_addr;
 495
 496 typedef struct ldp_outlabel {
 497   MPLS_REFCNT_FIELD;
 498   struct ldp_inlabel_list inlabel_root;
 499   struct ldp_tunnel_list tunnel_root;
 500   MPLS_LIST_ELEM(ldp_outlabel) _global;
 501   MPLS_LIST_ELEM(ldp_outlabel) _session;
 502   struct ldp_attr *attr;
 503   uint32_t merge_count;
 504   uint32_t index;
 505   struct ldp_session *session;
 506   struct ldp_addr *addr;
 507   struct mpls_outsegment info;
 508   mpls_bool switching;
 509
 510   /* only used by get() */
 511   uint32_t session_index;
 512   uint32_t addr_index;
 513 } ldp_outlabel;
 514
 515 typedef struct ldp_inlabel {
 516   MPLS_REFCNT_FIELD;
 517   MPLS_LIST_ELEM(ldp_inlabel) _global;
 518   MPLS_LIST_ELEM(ldp_inlabel) _outlabel;
 519   struct mpls_link_list session_root;
 520   struct mpls_link_list attr_root;
 521   struct ldp_outlabel *outlabel;
 522   uint32_t reuse_count;
 523   uint32_t index;
 524   struct mpls_insegment info;
 525
 526   /* only used by get() */
 527   uint32_t outlabel_index;
 528 } ldp_inlabel;
 529
 530 typedef struct ldp_fec {
 531   MPLS_REFCNT_FIELD;
 532   MPLS_LIST_ELEM(ldp_fec) _global;
 533   MPLS_LIST_ELEM(ldp_fec) _inlabel;
 534   MPLS_LIST_ELEM(ldp_fec) _outlabel;
 535   MPLS_LIST_ELEM(ldp_fec) _tree;
 536   MPLS_LIST_ELEM(ldp_fec) _addr;
 537   MPLS_LIST_ELEM(ldp_fec) _fec;
 538   MPLS_LIST_ELEM(ldp_fec) _nh;
 539   struct ldp_fs_list fs_root_us;
 540   struct ldp_fs_list fs_root_ds;
 541   struct mpls_fec info;
 542 } ldp_fec;
 543
 544 typedef struct ldp_l2cc {
 545   MPLS_REFCNT_FIELD;
 546   uint32_t index;
 547   MPLS_LIST_ELEM(ldp_l2cc) _global;
 548   MPLS_LIST_ELEM(ldp_l2cc) _addr;
 549   struct ldp_outlabel *outlabel;
 550   struct mpls_fec info;
 551   struct mpls_inet_addr peer_addr;
 552   mpls_if_handle interface;
 553   mpls_admin_state_enum admin_state;
 554
 555   /* only used during a get */
 556   uint32_t outlabel_index;
 557 } ldp_l2cc;
 558
 559 typedef struct ldp_fs {
 560   struct ldp_attr_list attr_root;
 561   MPLS_LIST_ELEM(ldp_fs) _fec;
 562   struct ldp_session *session;
 563 } ldp_fs;
 564
 565 typedef struct ldp_attr {
 566   MPLS_REFCNT_FIELD;
 567   uint32_t index;
 568   uint32_t msg_id;
 569   struct ldp_attr_list us_attr_root;
 570   struct ldp_attr *ds_attr;
 571   ldp_lsp_state state;
 572   mpls_bool ingress;
 573   mpls_bool filtered;
 574   mpls_bool in_tree;
 575   struct ldp_session *session;
 576   uint32_t attempt_count;
 577   mpls_timer_handle action_timer;
 578   ldp_lsp_state action;
 579
 580   MPLS_LIST_ELEM(ldp_attr) _session;
 581   MPLS_LIST_ELEM(ldp_attr) _global;
 582   MPLS_LIST_ELEM(ldp_attr) _ds_attr;
 583   MPLS_LIST_ELEM(ldp_attr) _fs;
 584
 585   mplsLdpFecTlv_t fecTlv;
 586   mplsLdpGenLblTlv_t genLblTlv;
 587   mplsLdpAtmLblTlv_t atmLblTlv;
 588   mplsLdpFrLblTlv_t frLblTlv;
 589   mplsLdpHopTlv_t hopCountTlv;
 590   mplsLdpPathTlv_t pathVecTlv;
 591   mplsLdpLblMsgIdTlv_t lblMsgIdTlv;
 592   mplsLdpLspIdTlv_t lspidTlv;
 593   mplsLdpTrafficTlv_t trafficTlv;
 594   mplsLdpStatusTlv_t statusTlv;
 595   mplsLdpRetMsgTlv_t retMsgTlv;
 596
 597   uint8_t fecTlvExists:1;
 598   uint8_t genLblTlvExists:1;
 599   uint8_t atmLblTlvExists:1;
 600   uint8_t frLblTlvExists:1;
 601   uint8_t hopCountTlvExists:1;
 602   uint8_t pathVecTlvExists:1;
 603   uint8_t lblMsgIdTlvExists:1;
 604   uint8_t lspidTlvExists:1;
 605   uint8_t trafficTlvExists:1;
 606   uint8_t statusTlvExists:1;
 607   uint8_t retMsgTlvExists:1;
 608
 609   struct ldp_outlabel *outlabel;
 610   struct ldp_inlabel *inlabel;
 611
 612   /* only used for get() */
 613   uint32_t inlabel_index;
 614   uint32_t outlabel_index;
 615   uint32_t session_index;
 616 } ldp_attr;
 617
 618 typedef struct ldp_resource {
 619   MPLS_REFCNT_FIELD;
 620   MPLS_LIST_ELEM(ldp_resource) _global;
 621   struct ldp_tunnel *tunnel;
 622   uint32_t index;
 623   uint32_t max_rate;
 624   uint32_t mean_rate;
 625   uint32_t burst_size;
 626 } ldp_resource;
 627
 628 typedef struct ldp_hop {
 629   MPLS_REFCNT_FIELD;
 630   MPLS_LIST_ELEM(ldp_hop) _hop_list;
 631   struct ldp_hop_list *hop_list;
 632   uint32_t index;
 633   uint32_t hop_list_index;
 634   uint32_t path_option;
 635   ldp_addr addr;
 636   uint32_t type;
 637 } ldp_hop;
 638
 639 typedef struct ldp_hop_list {
 640   MPLS_REFCNT_FIELD;
 641   MPLS_LIST_ELEM(ldp_hop_list) _global;
 642   struct _ldp_hop_list hop;
 643   struct ldp_tunnel *tunnel;
 644   uint32_t index;
 645 } ldp_hop_list;
 646
 647 typedef struct ldp_tunnel {
 648   MPLS_REFCNT_FIELD;
 649   MPLS_LIST_ELEM(ldp_tunnel) _global;
 650   MPLS_LIST_ELEM(ldp_tunnel) _outlabel;
 651   uint32_t index;
 652   ldp_addr ingress_lsrid;
 653   ldp_addr egress_lsrid;
 654   char name[MPLS_MAX_IF_NAME];
 655   mpls_bool is_interface;
 656   uint32_t outlabel_index;
 657   struct ldp_outlabel *outlabel;
 658   uint32_t setup_prio;
 659   uint32_t hold_prio;
 660   uint32_t instance_prio;
 661   uint32_t resource_index;
 662   struct ldp_resource *resource;
 663   uint32_t hop_list_index;
 664   struct ldp_hop_list *hop_list;
 665   ldp_fec fec;
 666   mpls_admin_state_enum admin_state;
 667
 668   uint32_t primary_instance;
 669   uint32_t any_affinity;
 670   uint32_t all_affinity;
 671   uint32_t no_all_affinity;
 672   uint32_t path_in_use;
 673   uint32_t protocol;
 674   mpls_bool local_protect;
 675   uint32_t session_attr;
 676   uint32_t owner;
 677 } ldp_tunnel;
 678
 679 typedef void (*ldp_fib_callback) (mpls_cfg_handle cfg, mpls_update_enum type,
 680   mpls_fec * dest);
 681 typedef void (*ldp_ifmgr_callback) (mpls_cfg_handle cfg, mpls_update_enum type,
 682   mpls_inet_addr *addr);
 683 typedef void (*ldp_tree_callback) (void *);
 684
 685
 686 #endif