2 * The mrouted program is covered by the license in the accompanying file
3 * named "LICENSE". Use of the mrouted program represents acceptance of
4 * the terms and conditions listed in that file.
6 * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
7 * Leland Stanford Junior University.
10 * $FreeBSD: src/usr.sbin/mrouted/defs.h,v 1.12.2.1 2001/07/19 01:41:11 kris Exp $
11 * $DragonFly: src/usr.sbin/mrouted/defs.h,v 1.5 2003/11/06 19:46:42 eirikn Exp $
12 * defs.h,v 3.8.4.15 1998/03/01 02:51:42 fenner Exp
24 #include <sys/param.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <sys/ioctl.h>
29 #include <sys/sockio.h>
37 #define rtentry kern_rtentry /* XXX !!! UGH */
38 #include <net/route.h>
40 #include <netinet/in.h>
41 #include <netinet/in_systm.h>
42 #include <netinet/ip.h>
43 #include <netinet/ip_icmp.h>
44 #include <netinet/igmp.h>
45 #ifdef __FreeBSD__ /* sigh */
46 #include <osreldate.h>
47 #if __FreeBSD_version >= 220000
48 #define rtentry kernel_rtentry
49 #include <net/route.h>
53 #include <net/ip_mroute/ip_mroute.h>
59 typedef u_int u_int32;
61 typedef void (*cfunc_t)(void *);
62 typedef void (*ihfunc_t)(int, fd_set *);
69 #include "pathnames.h"
76 * Miscellaneous constants and macros.
81 #define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0)
83 #define TIMER_INTERVAL ROUTE_MAX_REPORT_DELAY
85 #define PROTOCOL_VERSION 3 /* increment when packet format/content changes */
86 #define MROUTED_VERSION 9 /* not in DVMRP packets at all */
88 #define DVMRP_CONSTANT 0x000eff00 /* constant portion of 'group' field */
90 #define MROUTED_LEVEL (DVMRP_CONSTANT | PROTOCOL_VERSION)
91 /* for IGMP 'group' field of DVMRP messages */
93 #define LEAF_FLAGS (( vifs_with_neighbors == 1 ) ? 0x010000 : 0)
94 /* more for IGMP 'group' field of DVMRP messages */
96 #define DEL_RTE_GROUP 0
97 #define DEL_ALL_ROUTES 1
98 /* for Deleting kernel table entries */
100 /* obnoxious gcc gives an extraneous warning about this constant... */
101 #if defined(__STDC__) || defined(__GNUC__)
102 #define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
104 #define JAN_1970 2208988800L /* 1970 - 1900 in seconds */
109 #define BIT_ZERO(X) ((X) = 0)
110 #define BIT_SET(X,n) ((X) |= 1 << (n))
111 #define BIT_CLR(X,n) ((X) &= ~(1 << (n)))
112 #define BIT_TST(X,n) ((X) & 1 << (n))
116 #define bcopy(a, b, c) memcpy(b, a, c)
117 #define bzero(s, n) memset((s), 0, (n))
118 #define setlinebuf(s) setvbuf(s, NULL, _IOLBF, 0)
121 #if defined(_AIX) || (defined(BSD) && (BSD >= 199103))
126 * External declarations for global variables and functions.
128 #define RECV_BUF_SIZE 8192
129 extern char *recv_buf;
130 extern char *send_buf;
131 extern int igmp_socket;
133 extern int rsrr_socket;
135 extern u_int32 allhosts_group;
136 extern u_int32 allrtrs_group;
137 extern u_int32 dvmrp_group;
138 extern u_int32 dvmrp_genid;
140 #define IF_DEBUG(l) if (debug && debug & (l))
142 #define DEBUG_PKT 0x0001
143 #define DEBUG_PRUNE 0x0002
144 #define DEBUG_ROUTE 0x0004
145 #define DEBUG_PEER 0x0008
146 #define DEBUG_CACHE 0x0010
147 #define DEBUG_TIMEOUT 0x0020
148 #define DEBUG_IF 0x0040
149 #define DEBUG_MEMBER 0x0080
150 #define DEBUG_TRACE 0x0100
151 #define DEBUG_IGMP 0x0200
152 #define DEBUG_RTDETAIL 0x0400
153 #define DEBUG_KERN 0x0800
154 #define DEBUG_RSRR 0x1000
155 #define DEBUG_ICMP 0x2000
157 #define DEFAULT_DEBUG 0x02de /* default if "-d" given without value */
160 extern int did_final_init;
162 extern int routes_changed;
163 extern int delay_change_reports;
164 extern unsigned nroutes;
166 extern struct uvif uvifs[MAXVIFS];
167 extern vifi_t numvifs;
168 extern int vifs_down;
169 extern int udp_socket;
170 extern int vifs_with_neighbors;
177 #if !(defined(BSD) && (BSD >= 199103))
180 extern char * sys_errlist[];
184 #define MRT_INIT DVMRP_INIT
185 #define MRT_DONE DVMRP_DONE
186 #define MRT_ADD_VIF DVMRP_ADD_VIF
187 #define MRT_DEL_VIF DVMRP_DEL_VIF
188 #define MRT_ADD_MFC DVMRP_ADD_MFC
189 #define MRT_DEL_MFC DVMRP_DEL_MFC
193 #define IGMP_PIM 0x14
196 #define IPPROTO_IPIP 4
200 * The original multicast releases defined
201 * IGMP_HOST_{MEMBERSHIP_QUERY,MEMBERSHIP_REPORT,NEW_MEMBERSHIP_REPORT
202 * ,LEAVE_MESSAGE}. Later releases removed the HOST and inserted
203 * the IGMP version number. NetBSD inserted the version number in
204 * a different way. mrouted uses the new names, so we #define them
205 * to the old ones if needed.
207 #if !defined(IGMP_MEMBERSHIP_QUERY) && defined(IGMP_HOST_MEMBERSHIP_QUERY)
208 #define IGMP_MEMBERSHIP_QUERY IGMP_HOST_MEMBERSHIP_QUERY
209 #define IGMP_V2_LEAVE_GROUP IGMP_HOST_LEAVE_MESSAGE
211 #ifndef IGMP_V1_MEMBERSHIP_REPORT
212 #ifdef IGMP_HOST_MEMBERSHIP_REPORT
213 #define IGMP_V1_MEMBERSHIP_REPORT IGMP_HOST_MEMBERSHIP_REPORT
214 #define IGMP_V2_MEMBERSHIP_REPORT IGMP_HOST_NEW_MEMBERSHIP_REPORT
216 #ifdef IGMP_v1_HOST_MEMBERSHIP_REPORT
217 #define IGMP_V1_MEMBERSHIP_REPORT IGMP_v1_HOST_MEMBERSHIP_REPORT
218 #define IGMP_V2_MEMBERSHIP_REPORT IGMP_v2_HOST_MEMBERSHIP_REPORT
223 * NetBSD also renamed the mtrace types.
225 #if !defined(IGMP_MTRACE_RESP) && defined(IGMP_MTRACE_REPLY)
226 #define IGMP_MTRACE_RESP IGMP_MTRACE_REPLY
227 #define IGMP_MTRACE IGMP_MTRACE_QUERY
231 extern char * scaletime(u_long);
232 extern void log(int, int, char *, ...) __printflike(3, 4);
233 extern int register_input_handler(int, ihfunc_t);
236 extern void init_igmp(void);
237 extern void accept_igmp(int);
238 extern void build_igmp(u_int32, u_int32, int, int, u_int32,
240 extern void send_igmp(u_int32, u_int32, int, int, u_int32,
242 extern char * igmp_packet_kind(u_int, u_int);
243 extern int igmp_debug_kind(u_int, u_int);
246 extern void init_icmp(void);
249 extern void init_ipip(void);
250 extern void init_ipip_on_vif(struct uvif *);
251 extern void send_ipip(u_int32, u_int32, int, int, u_int32,
255 extern void callout_init(void);
256 extern void free_all_callouts(void);
257 extern void age_callout_queue(int);
258 extern int timer_nextTimer(void);
259 extern int timer_setTimer(int, cfunc_t, void *);
260 extern int timer_clearTimer(int);
261 extern int timer_leftTimer(int);
264 extern void init_routes(void);
265 extern void start_route_updates(void);
266 extern void update_route(u_int32, u_int32, u_int, u_int32,
267 vifi_t, struct listaddr *);
268 extern void age_routes(void);
269 extern void expire_all_routes(void);
270 extern void free_all_routes(void);
271 extern void accept_probe(u_int32, u_int32, char *, int,
273 extern void accept_report(u_int32, u_int32, char *, int,
275 extern struct rtentry * determine_route(u_int32 src);
276 extern void report(int, vifi_t, u_int32);
277 extern void report_to_all_neighbors(int);
278 extern int report_next_chunk(void);
279 extern void blaster_alloc(vifi_t);
280 extern void add_vif_to_routes(vifi_t);
281 extern void delete_vif_from_routes(vifi_t);
282 extern void add_neighbor_to_routes(vifi_t, int);
283 extern void delete_neighbor_from_routes(u_int32,
285 extern void dump_routes(FILE *fp);
288 extern void init_vifs(void);
289 extern void zero_vif(struct uvif *, int);
290 extern void init_installvifs(void);
291 extern void check_vif_state(void);
292 extern void send_on_vif(struct uvif *, u_int32, int, int);
293 extern vifi_t find_vif(u_int32, u_int32);
294 extern void age_vifs(void);
295 extern void dump_vifs(FILE *);
296 extern void stop_all_vifs(void);
297 extern struct listaddr *neighbor_info(vifi_t, u_int32);
298 extern void accept_group_report(u_int32, u_int32,
300 extern void query_groups(void);
301 extern void probe_for_neighbors(void);
302 extern struct listaddr *update_neighbor(vifi_t, u_int32, int, char *, int,
304 extern void accept_neighbor_request(u_int32, u_int32);
305 extern void accept_neighbor_request2(u_int32, u_int32);
306 extern void accept_info_request(u_int32, u_int32,
308 extern void accept_info_reply(u_int32, u_int32,
310 extern void accept_neighbors(u_int32, u_int32,
311 u_char *, int, u_int32);
312 extern void accept_neighbors2(u_int32, u_int32,
313 u_char *, int, u_int32);
314 extern void accept_leave_message(u_int32, u_int32,
316 extern void accept_membership_query(u_int32, u_int32,
320 extern void config_vifs_from_kernel(void);
323 extern void config_vifs_from_file(void);
326 extern int inet_valid_host(u_int32);
327 extern int inet_valid_mask(u_int32);
328 extern int inet_valid_subnet(u_int32, u_int32);
329 extern char * inet_fmt(u_int32, char *);
330 extern char * inet_fmts(u_int32, u_int32, char *);
331 extern u_int32 inet_parse(char *, int);
332 extern int inet_cksum(u_short *, u_int);
335 extern unsigned kroutes;
336 extern void determine_forwvifs(struct gtable *);
337 extern void send_prune_or_graft(struct gtable *);
338 extern void add_table_entry(u_int32, u_int32);
339 extern void del_table_entry(struct rtentry *,
341 extern void update_table_entry(struct rtentry *, u_int32);
342 extern int find_src_grp(u_int32, u_int32, u_int32);
343 extern void init_ktable(void);
344 extern void steal_sources(struct rtentry *);
345 extern void reset_neighbor_state(vifi_t, u_int32);
346 extern int grplst_mem(vifi_t, u_int32);
347 extern void free_all_prunes(void);
348 extern void age_table_entry(void);
349 extern void dump_cache(FILE *);
350 extern void update_lclgrp(vifi_t, u_int32);
351 extern void delete_lclgrp(vifi_t, u_int32);
352 extern void chkgrp_graft(vifi_t, u_int32);
353 extern void accept_prune(u_int32, u_int32, char *, int);
354 extern void accept_graft(u_int32, u_int32, char *, int);
355 extern void accept_g_ack(u_int32, u_int32, char *, int);
356 /* u_int is promoted u_char */
357 extern void accept_mtrace(u_int32, u_int32,
358 u_int32, char *, u_int, int);
361 extern void k_set_rcvbuf(int, int);
362 extern void k_hdr_include(int);
363 extern void k_set_ttl(int);
364 extern void k_set_loop(int);
365 extern void k_set_if(u_int32);
366 extern void k_join(u_int32, u_int32);
367 extern void k_leave(u_int32, u_int32);
368 extern void k_init_dvmrp(void);
369 extern void k_stop_dvmrp(void);
370 extern void k_add_vif(vifi_t, struct uvif *);
371 extern void k_del_vif(vifi_t);
372 extern void k_add_rg(u_int32, struct gtable *);
373 extern int k_del_rg(u_int32, struct gtable *);
374 extern int k_get_version(void);
378 extern struct gtable * find_grp(u_int32);
379 extern struct stable * find_grp_src(struct gtable *, u_int32);
380 extern int next_grp_src_mask(struct gtable **,
381 struct stable **, u_int32,
383 extern void refresh_sg(struct sioc_sg_req *, struct gtable *,
385 extern int next_child(struct gtable **, struct stable **,
386 u_int32, u_int32, u_int32,
390 extern struct rtentry * snmp_find_route(u_int32, u_int32);
391 extern int next_route(struct rtentry **, u_int32, u_int32);
392 extern int next_route_child(struct rtentry **,
393 u_int32, u_int32, vifi_t *);
398 extern struct gtable *kernel_table;
399 extern struct gtable *gtp;
402 extern void rsrr_init(void);
403 extern void rsrr_clean(void);
404 extern void rsrr_cache_send(struct gtable *, int);
405 extern void rsrr_cache_clean(struct gtable *);