Annotation of embedaddon/quagga/ripngd/ripngd.h, revision 1.1
1.1 ! misho 1: /*
! 2: * RIPng related value and structure.
! 3: * Copyright (C) 1998 Kunihiro Ishiguro
! 4: *
! 5: * This file is part of GNU Zebra.
! 6: *
! 7: * GNU Zebra is free software; you can redistribute it and/or modify it
! 8: * under the terms of the GNU General Public License as published by the
! 9: * Free Software Foundation; either version 2, or (at your option) any
! 10: * later version.
! 11: *
! 12: * GNU Zebra is distributed in the hope that it will be useful, but
! 13: * WITHOUT ANY WARRANTY; without even the implied warranty of
! 14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 15: * General Public License for more details.
! 16: *
! 17: * You should have received a copy of the GNU General Public License
! 18: * along with GNU Zebra; see the file COPYING. If not, write to the Free
! 19: * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
! 20: * 02111-1307, USA.
! 21: */
! 22:
! 23: #ifndef _ZEBRA_RIPNG_RIPNGD_H
! 24: #define _ZEBRA_RIPNG_RIPNGD_H
! 25:
! 26: #include <zclient.h>
! 27: #include <vty.h>
! 28:
! 29: /* RIPng version and port number. */
! 30: #define RIPNG_V1 1
! 31: #define RIPNG_PORT_DEFAULT 521
! 32: #define RIPNG_VTY_PORT 2603
! 33: #define RIPNG_MAX_PACKET_SIZE 1500
! 34: #define RIPNG_PRIORITY_DEFAULT 0
! 35:
! 36: /* RIPng commands. */
! 37: #define RIPNG_REQUEST 1
! 38: #define RIPNG_RESPONSE 2
! 39:
! 40: /* RIPng metric and multicast group address. */
! 41: #define RIPNG_METRIC_INFINITY 16
! 42: #define RIPNG_METRIC_NEXTHOP 0xff
! 43: #define RIPNG_GROUP "ff02::9"
! 44:
! 45: /* RIPng timers. */
! 46: #define RIPNG_UPDATE_TIMER_DEFAULT 30
! 47: #define RIPNG_TIMEOUT_TIMER_DEFAULT 180
! 48: #define RIPNG_GARBAGE_TIMER_DEFAULT 120
! 49:
! 50: /* RIPng peer timeout value. */
! 51: #define RIPNG_PEER_TIMER_DEFAULT 180
! 52:
! 53: /* Default config file name. */
! 54: #define RIPNG_DEFAULT_CONFIG "ripngd.conf"
! 55:
! 56: /* RIPng route types. */
! 57: #define RIPNG_ROUTE_RTE 0
! 58: #define RIPNG_ROUTE_STATIC 1
! 59: #define RIPNG_ROUTE_DEFAULT 2
! 60: #define RIPNG_ROUTE_REDISTRIBUTE 3
! 61: #define RIPNG_ROUTE_INTERFACE 4
! 62: #define RIPNG_ROUTE_AGGREGATE 5
! 63:
! 64: /* Interface send/receive configuration. */
! 65: #define RIPNG_SEND_UNSPEC 0
! 66: #define RIPNG_SEND_OFF 1
! 67: #define RIPNG_RECEIVE_UNSPEC 0
! 68: #define RIPNG_RECEIVE_OFF 1
! 69:
! 70: /* RIP default route's accept/announce methods. */
! 71: #define RIPNG_DEFAULT_ADVERTISE_UNSPEC 0
! 72: #define RIPNG_DEFAULT_ADVERTISE_NONE 1
! 73: #define RIPNG_DEFAULT_ADVERTISE 2
! 74:
! 75: #define RIPNG_DEFAULT_ACCEPT_UNSPEC 0
! 76: #define RIPNG_DEFAULT_ACCEPT_NONE 1
! 77: #define RIPNG_DEFAULT_ACCEPT 2
! 78:
! 79: /* Default value for "default-metric" command. */
! 80: #define RIPNG_DEFAULT_METRIC_DEFAULT 1
! 81:
! 82: /* For max RTE calculation. */
! 83: #ifndef IPV6_HDRLEN
! 84: #define IPV6_HDRLEN 40
! 85: #endif /* IPV6_HDRLEN */
! 86:
! 87: #ifndef IFMINMTU
! 88: #define IFMINMTU 576
! 89: #endif /* IFMINMTU */
! 90:
! 91: /* RIPng structure. */
! 92: struct ripng
! 93: {
! 94: /* RIPng socket. */
! 95: int sock;
! 96:
! 97: /* RIPng Parameters.*/
! 98: u_char command;
! 99: u_char version;
! 100: unsigned long update_time;
! 101: unsigned long timeout_time;
! 102: unsigned long garbage_time;
! 103: int max_mtu;
! 104: int default_metric;
! 105: int default_information;
! 106:
! 107: /* Input/output buffer of RIPng. */
! 108: struct stream *ibuf;
! 109: struct stream *obuf;
! 110:
! 111: /* RIPng routing information base. */
! 112: struct route_table *table;
! 113:
! 114: /* RIPng only static route information. */
! 115: struct route_table *route;
! 116:
! 117: /* RIPng aggregate route information. */
! 118: struct route_table *aggregate;
! 119:
! 120: /* RIPng threads. */
! 121: struct thread *t_read;
! 122: struct thread *t_write;
! 123: struct thread *t_update;
! 124: struct thread *t_garbage;
! 125: struct thread *t_zebra;
! 126:
! 127: /* Triggered update hack. */
! 128: int trigger;
! 129: struct thread *t_triggered_update;
! 130: struct thread *t_triggered_interval;
! 131:
! 132: /* For redistribute route map. */
! 133: struct
! 134: {
! 135: char *name;
! 136: struct route_map *map;
! 137: int metric_config;
! 138: u_int32_t metric;
! 139: } route_map[ZEBRA_ROUTE_MAX];
! 140: };
! 141:
! 142: /* Routing table entry. */
! 143: struct rte
! 144: {
! 145: struct in6_addr addr; /* RIPng destination prefix */
! 146: u_short tag; /* RIPng tag */
! 147: u_char prefixlen; /* Length of the RIPng prefix */
! 148: u_char metric; /* Metric of the RIPng route */
! 149: /* The nexthop is stored by the structure
! 150: * ripng_nexthop within ripngd.c */
! 151: };
! 152:
! 153: /* RIPNG send packet. */
! 154: struct ripng_packet
! 155: {
! 156: u_char command;
! 157: u_char version;
! 158: u_int16_t zero;
! 159: struct rte rte[1];
! 160: };
! 161:
! 162: /* Each route's information. */
! 163: struct ripng_info
! 164: {
! 165: /* This route's type. Static, ripng or aggregate. */
! 166: u_char type;
! 167:
! 168: /* Sub type for static route. */
! 169: u_char sub_type;
! 170:
! 171: /* RIPng specific information */
! 172: struct in6_addr nexthop;
! 173: struct in6_addr from;
! 174:
! 175: /* Which interface does this route come from. */
! 176: unsigned int ifindex;
! 177:
! 178: /* Metric of this route. */
! 179: u_char metric;
! 180:
! 181: /* Tag field of RIPng packet.*/
! 182: u_int16_t tag;
! 183:
! 184: /* For aggregation. */
! 185: unsigned int suppress;
! 186:
! 187: /* Flags of RIPng route. */
! 188: #define RIPNG_RTF_FIB 1
! 189: #define RIPNG_RTF_CHANGED 2
! 190: u_char flags;
! 191:
! 192: /* Garbage collect timer. */
! 193: struct thread *t_timeout;
! 194: struct thread *t_garbage_collect;
! 195:
! 196: /* Route-map features - this variables can be changed. */
! 197: struct in6_addr nexthop_out;
! 198: u_char metric_set;
! 199: u_char metric_out;
! 200: u_short tag_out;
! 201:
! 202: struct route_node *rp;
! 203: };
! 204:
! 205: #ifdef notyet
! 206: #if 0
! 207: /* RIPng tag structure. */
! 208: struct ripng_tag
! 209: {
! 210: /* Tag value. */
! 211: u_int16_t tag;
! 212:
! 213: /* Port. */
! 214: u_int16_t port;
! 215:
! 216: /* Multicast group. */
! 217: struct in6_addr maddr;
! 218:
! 219: /* Table number. */
! 220: int table;
! 221:
! 222: /* Distance. */
! 223: int distance;
! 224:
! 225: /* Split horizon. */
! 226: u_char split_horizon;
! 227:
! 228: /* Poison reverse. */
! 229: u_char poison_reverse;
! 230: };
! 231: #endif /* 0 */
! 232: #endif /* not yet */
! 233:
! 234: typedef enum {
! 235: RIPNG_NO_SPLIT_HORIZON = 0,
! 236: RIPNG_SPLIT_HORIZON,
! 237: RIPNG_SPLIT_HORIZON_POISONED_REVERSE
! 238: } split_horizon_policy_t;
! 239:
! 240: /* RIPng specific interface configuration. */
! 241: struct ripng_interface
! 242: {
! 243: /* RIPng is enabled on this interface. */
! 244: int enable_network;
! 245: int enable_interface;
! 246:
! 247: /* RIPng is running on this interface. */
! 248: int running;
! 249:
! 250: /* Split horizon flag. */
! 251: split_horizon_policy_t split_horizon;
! 252: split_horizon_policy_t split_horizon_default;
! 253:
! 254: /* For filter type slot. */
! 255: #define RIPNG_FILTER_IN 0
! 256: #define RIPNG_FILTER_OUT 1
! 257: #define RIPNG_FILTER_MAX 2
! 258:
! 259: /* Access-list. */
! 260: struct access_list *list[RIPNG_FILTER_MAX];
! 261:
! 262: /* Prefix-list. */
! 263: struct prefix_list *prefix[RIPNG_FILTER_MAX];
! 264:
! 265: /* Route-map. */
! 266: struct route_map *routemap[RIPNG_FILTER_MAX];
! 267:
! 268: #ifdef notyet
! 269: #if 0
! 270: /* RIPng tag configuration. */
! 271: struct ripng_tag *rtag;
! 272: #endif /* 0 */
! 273: #endif /* notyet */
! 274:
! 275: /* Default information originate. */
! 276: u_char default_originate;
! 277:
! 278: /* Default information only. */
! 279: u_char default_only;
! 280:
! 281: /* Wake up thread. */
! 282: struct thread *t_wakeup;
! 283:
! 284: /* Passive interface. */
! 285: int passive;
! 286: };
! 287:
! 288: /* RIPng peer information. */
! 289: struct ripng_peer
! 290: {
! 291: /* Peer address. */
! 292: struct in6_addr addr;
! 293:
! 294: /* Peer RIPng tag value. */
! 295: int domain;
! 296:
! 297: /* Last update time. */
! 298: time_t uptime;
! 299:
! 300: /* Peer RIP version. */
! 301: u_char version;
! 302:
! 303: /* Statistics. */
! 304: int recv_badpackets;
! 305: int recv_badroutes;
! 306:
! 307: /* Timeout thread. */
! 308: struct thread *t_timeout;
! 309: };
! 310:
! 311: /* All RIPng events. */
! 312: enum ripng_event
! 313: {
! 314: RIPNG_READ,
! 315: RIPNG_ZEBRA,
! 316: RIPNG_REQUEST_EVENT,
! 317: RIPNG_UPDATE_EVENT,
! 318: RIPNG_TRIGGERED_UPDATE,
! 319: };
! 320:
! 321: /* RIPng timer on/off macro. */
! 322: #define RIPNG_TIMER_ON(T,F,V) \
! 323: do { \
! 324: if (!(T)) \
! 325: (T) = thread_add_timer (master, (F), rinfo, (V)); \
! 326: } while (0)
! 327:
! 328: #define RIPNG_TIMER_OFF(T) \
! 329: do { \
! 330: if (T) \
! 331: { \
! 332: thread_cancel(T); \
! 333: (T) = NULL; \
! 334: } \
! 335: } while (0)
! 336:
! 337: /* Count prefix size from mask length */
! 338: #define PSIZE(a) (((a) + 7) / (8))
! 339:
! 340: /* Extern variables. */
! 341: extern struct ripng *ripng;
! 342:
! 343: extern struct thread_master *master;
! 344:
! 345: /* Prototypes. */
! 346: extern void ripng_init (void);
! 347: extern void ripng_reset (void);
! 348: extern void ripng_clean (void);
! 349: extern void ripng_clean_network (void);
! 350: extern void ripng_interface_clean (void);
! 351: extern void ripng_interface_reset (void);
! 352: extern void ripng_passive_interface_clean (void);
! 353: extern void ripng_if_init (void);
! 354: extern void ripng_route_map_init (void);
! 355: extern void ripng_route_map_reset (void);
! 356: extern void ripng_terminate (void);
! 357: /* zclient_init() is done by ripng_zebra.c:zebra_init() */
! 358: extern void zebra_init (void);
! 359: extern void ripng_zclient_start (void);
! 360: extern void ripng_zclient_reset (void);
! 361: extern void ripng_offset_init (void);
! 362:
! 363: extern int config_write_ripng_offset_list (struct vty *);
! 364:
! 365: extern void ripng_peer_init (void);
! 366: extern void ripng_peer_update (struct sockaddr_in6 *, u_char);
! 367: extern void ripng_peer_bad_route (struct sockaddr_in6 *);
! 368: extern void ripng_peer_bad_packet (struct sockaddr_in6 *);
! 369: extern void ripng_peer_display (struct vty *);
! 370: extern struct ripng_peer *ripng_peer_lookup (struct in6_addr *);
! 371: extern struct ripng_peer *ripng_peer_lookup_next (struct in6_addr *);
! 372:
! 373: extern int ripng_offset_list_apply_in (struct prefix_ipv6 *,
! 374: struct interface *, u_char *);
! 375: extern int ripng_offset_list_apply_out (struct prefix_ipv6 *,
! 376: struct interface *, u_char *);
! 377: extern void ripng_offset_clean (void);
! 378:
! 379: extern struct ripng_info * ripng_info_new (void);
! 380: extern void ripng_info_free (struct ripng_info *rinfo);
! 381: extern void ripng_event (enum ripng_event, int);
! 382: extern int ripng_request (struct interface *ifp);
! 383: extern void ripng_redistribute_add (int, int, struct prefix_ipv6 *,
! 384: unsigned int, struct in6_addr *);
! 385: extern void ripng_redistribute_delete (int, int, struct prefix_ipv6 *,
! 386: unsigned int);
! 387: extern void ripng_redistribute_withdraw (int type);
! 388:
! 389: extern void ripng_distribute_update_interface (struct interface *);
! 390: extern void ripng_if_rmap_update_interface (struct interface *);
! 391:
! 392: extern void ripng_zebra_ipv6_add (struct prefix_ipv6 *p,
! 393: struct in6_addr *nexthop,
! 394: unsigned int ifindex, u_char metric);
! 395: extern void ripng_zebra_ipv6_delete (struct prefix_ipv6 *p,
! 396: struct in6_addr *nexthop,
! 397: unsigned int ifindex);
! 398:
! 399: extern void ripng_redistribute_clean (void);
! 400: extern int ripng_redistribute_check (int);
! 401: extern void ripng_redistribute_write (struct vty *, int);
! 402:
! 403: extern int ripng_write_rte (int num, struct stream *s, struct prefix_ipv6 *p,
! 404: struct in6_addr *nexthop,
! 405: u_int16_t tag, u_char metric);
! 406: extern int ripng_send_packet (caddr_t buf, int bufsize,
! 407: struct sockaddr_in6 *to, struct interface *ifp);
! 408:
! 409: extern void ripng_packet_dump (struct ripng_packet *packet, int size,
! 410: const char *sndrcv);
! 411:
! 412: extern int ripng_interface_up (int command, struct zclient *, zebra_size_t);
! 413: extern int ripng_interface_down (int command, struct zclient *, zebra_size_t);
! 414: extern int ripng_interface_add (int command, struct zclient *, zebra_size_t);
! 415: extern int ripng_interface_delete (int command, struct zclient *, zebra_size_t);
! 416: extern int ripng_interface_address_add (int command, struct zclient *, zebra_size_t);
! 417: extern int ripng_interface_address_delete (int command, struct zclient *, zebra_size_t);
! 418:
! 419: extern int ripng_network_write (struct vty *, int);
! 420:
! 421: #endif /* _ZEBRA_RIPNG_RIPNGD_H */
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