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718e3744 | 1 | /* Zebra common header. |
2 | Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #ifndef _ZEBRA_H | |
22 | #define _ZEBRA_H | |
23 | ||
24 | #ifdef HAVE_CONFIG_H | |
25 | #include "config.h" | |
26 | #endif /* HAVE_CONFIG_H */ | |
27 | ||
d66a7b56 | 28 | #ifdef GNU_LINUX |
29 | #define _GNU_SOURCE | |
30 | #endif /* GNU_LINUX */ | |
31 | ||
718e3744 | 32 | #ifdef SUNOS_5 |
33 | #define _XPG4_2 | |
34 | #define __EXTENSIONS__ | |
9bcdb638 | 35 | typedef unsigned int u_int32_t; |
36 | typedef unsigned short u_int16_t; | |
37 | typedef unsigned char u_int8_t; | |
718e3744 | 38 | #endif /* SUNOS_5 */ |
39 | ||
f0438521 | 40 | #ifndef HAVE_SOCKLEN_T |
41 | typedef int socklen_t; | |
42 | #endif /* HAVE_SOCKLEN_T */ | |
43 | ||
718e3744 | 44 | #include <unistd.h> |
45 | #include <stdio.h> | |
46 | #include <stdlib.h> | |
47 | #include <ctype.h> | |
48 | #include <errno.h> | |
49 | #include <fcntl.h> | |
50 | #include <signal.h> | |
51 | #include <string.h> | |
edd7c245 | 52 | #include <pwd.h> |
53 | #include <grp.h> | |
718e3744 | 54 | #ifdef HAVE_STROPTS_H |
55 | #include <stropts.h> | |
56 | #endif /* HAVE_STROPTS_H */ | |
57 | #include <sys/fcntl.h> | |
58 | #ifdef HAVE_SYS_SELECT_H | |
59 | #include <sys/select.h> | |
60 | #endif /* HAVE_SYS_SELECT_H */ | |
61 | #include <sys/stat.h> | |
62 | #include <sys/time.h> | |
63 | #include <sys/types.h> | |
64 | #include <sys/param.h> | |
65 | #ifdef HAVE_SYS_SYSCTL_H | |
66 | #include <sys/sysctl.h> | |
67 | #endif /* HAVE_SYS_SYSCTL_H */ | |
68 | #include <sys/ioctl.h> | |
69 | #ifdef HAVE_SYS_CONF_H | |
70 | #include <sys/conf.h> | |
71 | #endif /* HAVE_SYS_CONF_H */ | |
72 | #ifdef HAVE_SYS_KSYM_H | |
73 | #include <sys/ksym.h> | |
74 | #endif /* HAVE_SYS_KSYM_H */ | |
75 | #include <syslog.h> | |
76 | #include <time.h> | |
77 | #include <sys/uio.h> | |
78 | #include <sys/utsname.h> | |
79 | #ifdef HAVE_RUSAGE | |
80 | #include <sys/resource.h> | |
81 | #endif /* HAVE_RUSAGE */ | |
a58c25b6 | 82 | #ifdef HAVE_LIMITS_H |
83 | #include <limits.h> | |
84 | #endif /* HAVE_LIMITS_H */ | |
76367ea9 | 85 | #ifdef HAVE_STDINT_H |
86 | #include <stdint.h> | |
87 | #endif /* HAVE_STDINT_H */ | |
718e3744 | 88 | |
89 | /* machine dependent includes */ | |
90 | #ifdef SUNOS_5 | |
718e3744 | 91 | #include <strings.h> |
92 | #endif /* SUNOS_5 */ | |
93 | ||
94 | /* machine dependent includes */ | |
95 | #ifdef HAVE_LINUX_VERSION_H | |
96 | #include <linux/version.h> | |
97 | #endif /* HAVE_LINUX_VERSION_H */ | |
98 | ||
ba965c6c | 99 | #ifdef HAVE_ASM_TYPES_H |
100 | #include <asm/types.h> | |
101 | #endif /* HAVE_ASM_TYPES_H */ | |
102 | ||
718e3744 | 103 | /* misc include group */ |
104 | #include <stdarg.h> | |
4cf0d0df | 105 | #if !(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) |
106 | /* Not C99; do we need to define va_copy? */ | |
e22f5516 | 107 | #ifndef va_copy |
108 | #ifdef __va_copy | |
4cf0d0df | 109 | #define va_copy(DST,SRC) __va_copy(DST,SRC) |
e22f5516 | 110 | #else |
111 | /* Now we are desperate; this should work on many typical platforms. | |
112 | But this is slightly dangerous, because the standard does not require | |
113 | va_copy to be a macro. */ | |
114 | #define va_copy(DST,SRC) memcpy(&(DST), &(SRC), sizeof(va_list)) | |
115 | #warning "Not C99 and no va_copy macro available, falling back to memcpy" | |
116 | #endif /* __va_copy */ | |
117 | #endif /* !va_copy */ | |
4cf0d0df | 118 | #endif /* !C99 */ |
db8eaac6 | 119 | |
718e3744 | 120 | |
ba3a0bc5 | 121 | #ifdef HAVE_LCAPS |
122 | #include <sys/capability.h> | |
123 | #include <sys/prctl.h> | |
124 | #endif /* HAVE_LCAPS */ | |
125 | ||
ceacedba | 126 | #ifdef HAVE_SOLARIS_CAPABILITIES |
127 | #include <priv.h> | |
128 | #endif /* HAVE_SOLARIS_CAPABILITIES */ | |
129 | ||
718e3744 | 130 | /* network include group */ |
131 | ||
132 | #include <sys/socket.h> | |
133 | ||
134 | #ifdef HAVE_SYS_SOCKIO_H | |
135 | #include <sys/sockio.h> | |
136 | #endif /* HAVE_SYS_SOCKIO_H */ | |
137 | ||
138 | #ifdef HAVE_NETINET_IN_H | |
139 | #include <netinet/in.h> | |
140 | #endif /* HAVE_NETINET_IN_H */ | |
141 | #include <netinet/in_systm.h> | |
142 | #include <netinet/ip.h> | |
143 | #include <netinet/tcp.h> | |
144 | ||
145 | #ifdef HAVE_NET_NETOPT_H | |
146 | #include <net/netopt.h> | |
147 | #endif /* HAVE_NET_NETOPT_H */ | |
148 | ||
149 | #include <net/if.h> | |
150 | ||
151 | #ifdef HAVE_NET_IF_DL_H | |
152 | #include <net/if_dl.h> | |
153 | #endif /* HAVE_NET_IF_DL_H */ | |
154 | ||
155 | #ifdef HAVE_NET_IF_VAR_H | |
156 | #include <net/if_var.h> | |
157 | #endif /* HAVE_NET_IF_VAR_H */ | |
158 | ||
a58c25b6 | 159 | #ifdef HAVE_NET_ROUTE_H |
718e3744 | 160 | #include <net/route.h> |
a58c25b6 | 161 | #endif /* HAVE_NET_ROUTE_H */ |
718e3744 | 162 | |
163 | #ifdef HAVE_NETLINK | |
164 | #include <linux/netlink.h> | |
165 | #include <linux/rtnetlink.h> | |
166 | #else | |
167 | #define RT_TABLE_MAIN 0 | |
168 | #endif /* HAVE_NETLINK */ | |
169 | ||
170 | #ifdef HAVE_NETDB_H | |
171 | #include <netdb.h> | |
172 | #endif /* HAVE_NETDB_H */ | |
173 | ||
174 | #include <arpa/inet.h> | |
718e3744 | 175 | |
176 | #ifdef HAVE_INET_ND_H | |
177 | #include <inet/nd.h> | |
178 | #endif /* HAVE_INET_ND_H */ | |
179 | ||
180 | #ifdef HAVE_NETINET_IN_VAR_H | |
181 | #include <netinet/in_var.h> | |
182 | #endif /* HAVE_NETINET_IN_VAR_H */ | |
183 | ||
726f9b2b | 184 | #ifdef HAVE_NETINET6_IN6_VAR_H |
185 | #include <netinet6/in6_var.h> | |
186 | #endif /* HAVE_NETINET6_IN6_VAR_H */ | |
187 | ||
718e3744 | 188 | #ifdef HAVE_NETINET_IN6_VAR_H |
189 | #include <netinet/in6_var.h> | |
190 | #endif /* HAVE_NETINET_IN6_VAR_H */ | |
191 | ||
192 | #ifdef HAVE_NETINET6_IN_H | |
193 | #include <netinet6/in.h> | |
194 | #endif /* HAVE_NETINET6_IN_H */ | |
195 | ||
196 | ||
197 | #ifdef HAVE_NETINET6_IP6_H | |
198 | #include <netinet6/ip6.h> | |
199 | #endif /* HAVE_NETINET6_IP6_H */ | |
200 | ||
201 | #ifdef HAVE_NETINET_ICMP6_H | |
202 | #include <netinet/icmp6.h> | |
203 | #endif /* HAVE_NETINET_ICMP6_H */ | |
204 | ||
205 | #ifdef HAVE_NETINET6_ND6_H | |
206 | #include <netinet6/nd6.h> | |
207 | #endif /* HAVE_NETINET6_ND6_H */ | |
208 | ||
3b424979 | 209 | /* Some systems do not define UINT32_MAX */ |
210 | #ifndef UINT32_MAX | |
211 | #define UINT32_MAX 0xFFFFFFFFU | |
212 | #endif /* UINT32_MAX */ | |
213 | ||
718e3744 | 214 | #ifdef HAVE_LIBUTIL_H |
215 | #include <libutil.h> | |
216 | #endif /* HAVE_LIBUTIL_H */ | |
217 | ||
fb2d1502 | 218 | #ifdef HAVE_GLIBC_BACKTRACE |
219 | #include <execinfo.h> | |
220 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
221 | ||
718e3744 | 222 | #ifdef BSDI_NRL |
223 | ||
224 | #ifdef HAVE_NETINET6_IN6_H | |
225 | #include <netinet6/in6.h> | |
226 | #endif /* HAVE_NETINET6_IN6_H */ | |
227 | ||
228 | #ifdef NRL | |
229 | #include <netinet6/in6.h> | |
230 | #endif /* NRL */ | |
231 | ||
232 | #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL | |
233 | ||
718e3744 | 234 | #endif /* BSDI_NRL */ |
235 | ||
db8eaac6 | 236 | /* Local includes: */ |
237 | #if !(defined(__GNUC__) || defined(VTYSH_EXTRACT_PL)) | |
238 | #define __attribute__(x) | |
239 | #endif /* !__GNUC__ || VTYSH_EXTRACT_PL */ | |
240 | ||
241 | #include "zassert.h" | |
3cb98dee | 242 | #include "str.h" |
db8eaac6 | 243 | |
244 | ||
b99760ab | 245 | #ifdef HAVE_BROKEN_CMSG_FIRSTHDR |
246 | /* This bug is present in Solaris 8 and pre-patch Solaris 9 <sys/socket.h>; | |
247 | please refer to http://bugzilla.quagga.net/show_bug.cgi?id=142 */ | |
248 | ||
249 | /* Check that msg_controllen is large enough. */ | |
250 | #define ZCMSG_FIRSTHDR(mhdr) \ | |
251 | (((size_t)((mhdr)->msg_controllen) >= sizeof(struct cmsghdr)) ? \ | |
252 | CMSG_FIRSTHDR(mhdr) : (struct cmsghdr *)NULL) | |
253 | ||
254 | #warning "CMSG_FIRSTHDR is broken on this platform, using a workaround" | |
255 | ||
256 | #else /* HAVE_BROKEN_CMSG_FIRSTHDR */ | |
257 | #define ZCMSG_FIRSTHDR(M) CMSG_FIRSTHDR(M) | |
258 | #endif /* HAVE_BROKEN_CMSG_FIRSTHDR */ | |
259 | ||
260 | ||
261 | ||
02ff83c5 | 262 | /* |
69e1325f | 263 | * RFC 3542 defines several macros for using struct cmsghdr. |
264 | * Here, we define those that are not present | |
265 | */ | |
266 | ||
267 | /* | |
268 | * Internal defines, for use only in this file. | |
269 | * These are likely wrong on other than ILP32 machines, so warn. | |
02ff83c5 | 270 | */ |
271 | #ifndef _CMSG_DATA_ALIGN | |
272 | #define _CMSG_DATA_ALIGN(n) (((n) + 3) & ~3) | |
273 | #endif /* _CMSG_DATA_ALIGN */ | |
274 | ||
275 | #ifndef _CMSG_HDR_ALIGN | |
276 | #define _CMSG_HDR_ALIGN(n) (((n) + 3) & ~3) | |
277 | #endif /* _CMSG_HDR_ALIGN */ | |
278 | ||
69e1325f | 279 | /* |
280 | * CMSG_SPACE and CMSG_LEN are required in RFC3542, but were new in that | |
281 | * version. | |
282 | */ | |
02ff83c5 | 283 | #ifndef CMSG_SPACE |
284 | #define CMSG_SPACE(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + \ | |
285 | _CMSG_HDR_ALIGN(l)) | |
69e1325f | 286 | #warning "assuming 4-byte alignment for CMSG_SPACE" |
02ff83c5 | 287 | #endif /* CMSG_SPACE */ |
288 | ||
289 | ||
290 | #ifndef CMSG_LEN | |
291 | #define CMSG_LEN(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + (l)) | |
69e1325f | 292 | #warning "assuming 4-byte alignment for CMSG_LEN" |
02ff83c5 | 293 | #endif /* CMSG_LEN */ |
294 | ||
69e1325f | 295 | |
718e3744 | 296 | /* The definition of struct in_pktinfo is missing in old version of |
297 | GLIBC 2.1 (Redhat 6.1). */ | |
298 | #if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO) | |
299 | struct in_pktinfo | |
300 | { | |
301 | int ipi_ifindex; | |
302 | struct in_addr ipi_spec_dst; | |
303 | struct in_addr ipi_addr; | |
304 | }; | |
305 | #endif | |
306 | ||
9172ee0e | 307 | /* |
308 | * OSPF Fragmentation / fragmented writes | |
309 | * | |
310 | * ospfd can support writing fragmented packets, for cases where | |
311 | * kernel will not fragment IP_HDRINCL and/or multicast destined | |
312 | * packets (ie TTBOMK all kernels, BSD, SunOS, Linux). However, | |
313 | * SunOS, probably BSD too, clobber the user supplied IP ID and IP | |
314 | * flags fields, hence user-space fragmentation will not work. | |
315 | * Only Linux is known to leave IP header unmolested. | |
316 | * Further, fragmentation really should be done the kernel, which already | |
317 | * supports it, and which avoids nasty IP ID state problems. | |
318 | * | |
319 | * Fragmentation of OSPF packets can be required on networks with router | |
320 | * with many many interfaces active in one area, or on networks with links | |
321 | * with low MTUs. | |
322 | */ | |
323 | #ifdef GNU_LINUX | |
324 | #define WANT_OSPF_WRITE_FRAGMENT | |
325 | #endif | |
326 | ||
327 | /* | |
328 | * IP_HDRINCL / struct ip byte order | |
329 | * | |
330 | * Linux: network byte order | |
331 | * *BSD: network, except for length and offset. (cf Stevens) | |
332 | * SunOS: nominally as per BSD. but bug: network order on LE. | |
333 | * OpenBSD: network byte order, apart from older versions which are as per | |
334 | * *BSD | |
335 | */ | |
336 | #if defined(__NetBSD__) || defined(__FreeBSD__) \ | |
337 | || (defined(__OpenBSD__) && (OpenBSD < 200311)) \ | |
338 | || (defined(SUNOS_5) && defined(WORDS_BIGENDIAN)) | |
339 | #define HAVE_IP_HDRINCL_BSD_ORDER | |
340 | #endif | |
341 | ||
34204aac | 342 | /* Define BYTE_ORDER, if not defined. Useful for compiler conditional |
343 | * code, rather than preprocessor conditional. | |
344 | * Not all the world has this BSD define. | |
345 | */ | |
346 | #ifndef BYTE_ORDER | |
347 | #define BIG_ENDIAN 4321 /* least-significant byte first (vax, pc) */ | |
348 | #define LITTLE_ENDIAN 1234 /* most-significant byte first (IBM, net) */ | |
349 | #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */ | |
350 | ||
351 | #if defined(WORDS_BIGENDIAN) | |
352 | #define BYTE_ORDER BIG_ENDIAN | |
353 | #else /* !WORDS_BIGENDIAN */ | |
354 | #define BYTE_ORDER LITTLE_ENDIAN | |
355 | #endif /* WORDS_BIGENDIAN */ | |
356 | ||
357 | #endif /* ndef BYTE_ORDER */ | |
358 | ||
efba6ce9 | 359 | /* MAX / MIN are not commonly defined, but useful */ |
360 | #ifndef MAX | |
361 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
362 | #endif | |
363 | #ifndef MIN | |
364 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
365 | #endif | |
366 | ||
718e3744 | 367 | /* For old definition. */ |
368 | #ifndef IN6_ARE_ADDR_EQUAL | |
369 | #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL | |
370 | #endif /* IN6_ARE_ADDR_EQUAL */ | |
371 | ||
8cc4198f | 372 | /* default zebra TCP port for zclient */ |
373 | #define ZEBRA_PORT 2600 | |
374 | ||
718e3744 | 375 | /* Zebra message types. */ |
376 | #define ZEBRA_INTERFACE_ADD 1 | |
377 | #define ZEBRA_INTERFACE_DELETE 2 | |
378 | #define ZEBRA_INTERFACE_ADDRESS_ADD 3 | |
379 | #define ZEBRA_INTERFACE_ADDRESS_DELETE 4 | |
380 | #define ZEBRA_INTERFACE_UP 5 | |
381 | #define ZEBRA_INTERFACE_DOWN 6 | |
382 | #define ZEBRA_IPV4_ROUTE_ADD 7 | |
383 | #define ZEBRA_IPV4_ROUTE_DELETE 8 | |
384 | #define ZEBRA_IPV6_ROUTE_ADD 9 | |
385 | #define ZEBRA_IPV6_ROUTE_DELETE 10 | |
386 | #define ZEBRA_REDISTRIBUTE_ADD 11 | |
387 | #define ZEBRA_REDISTRIBUTE_DELETE 12 | |
388 | #define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13 | |
389 | #define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14 | |
390 | #define ZEBRA_IPV4_NEXTHOP_LOOKUP 15 | |
391 | #define ZEBRA_IPV6_NEXTHOP_LOOKUP 16 | |
392 | #define ZEBRA_IPV4_IMPORT_LOOKUP 17 | |
393 | #define ZEBRA_IPV6_IMPORT_LOOKUP 18 | |
efba6ce9 | 394 | #define ZEBRA_INTERFACE_RENAME 19 |
18a6dce6 | 395 | #define ZEBRA_ROUTER_ID_ADD 20 |
396 | #define ZEBRA_ROUTER_ID_DELETE 21 | |
397 | #define ZEBRA_ROUTER_ID_UPDATE 22 | |
398 | #define ZEBRA_MESSAGE_MAX 23 | |
718e3744 | 399 | |
400 | /* Zebra route's types. */ | |
401 | #define ZEBRA_ROUTE_SYSTEM 0 | |
402 | #define ZEBRA_ROUTE_KERNEL 1 | |
403 | #define ZEBRA_ROUTE_CONNECT 2 | |
404 | #define ZEBRA_ROUTE_STATIC 3 | |
405 | #define ZEBRA_ROUTE_RIP 4 | |
406 | #define ZEBRA_ROUTE_RIPNG 5 | |
407 | #define ZEBRA_ROUTE_OSPF 6 | |
408 | #define ZEBRA_ROUTE_OSPF6 7 | |
9e867fe6 | 409 | #define ZEBRA_ROUTE_ISIS 8 |
410 | #define ZEBRA_ROUTE_BGP 9 | |
af0d97eb | 411 | #define ZEBRA_ROUTE_HSLS 10 |
412 | #define ZEBRA_ROUTE_MAX 11 | |
718e3744 | 413 | |
f52d13cb | 414 | /* Note: whenever a new route type is added (or the numbering is changed), |
415 | the route_types[] table in lib/log.c must be updated! */ | |
416 | ||
417 | /* Map a route type to a string. For example, ZEBRA_ROUTE_RIPNG -> "ripng". */ | |
418 | extern const char *zebra_route_string(u_int route_type); | |
419 | /* Map a route type to a char. For example, ZEBRA_ROUTE_RIPNG -> 'R'. */ | |
420 | extern char zebra_route_char(u_int route_type); | |
421 | ||
718e3744 | 422 | /* Zebra's family types. */ |
423 | #define ZEBRA_FAMILY_IPV4 1 | |
424 | #define ZEBRA_FAMILY_IPV6 2 | |
425 | #define ZEBRA_FAMILY_MAX 3 | |
426 | ||
427 | /* Error codes of zebra. */ | |
428 | #define ZEBRA_ERR_RTEXIST -1 | |
429 | #define ZEBRA_ERR_RTUNREACH -2 | |
430 | #define ZEBRA_ERR_EPERM -3 | |
431 | #define ZEBRA_ERR_RTNOEXIST -4 | |
432 | ||
433 | /* Zebra message flags */ | |
434 | #define ZEBRA_FLAG_INTERNAL 0x01 | |
435 | #define ZEBRA_FLAG_SELFROUTE 0x02 | |
436 | #define ZEBRA_FLAG_BLACKHOLE 0x04 | |
437 | #define ZEBRA_FLAG_IBGP 0x08 | |
438 | #define ZEBRA_FLAG_SELECTED 0x10 | |
439 | #define ZEBRA_FLAG_CHANGED 0x20 | |
440 | #define ZEBRA_FLAG_STATIC 0x40 | |
81dfcaa2 | 441 | #define ZEBRA_FLAG_REJECT 0x80 |
718e3744 | 442 | |
443 | /* Zebra nexthop flags. */ | |
444 | #define ZEBRA_NEXTHOP_IFINDEX 1 | |
445 | #define ZEBRA_NEXTHOP_IFNAME 2 | |
446 | #define ZEBRA_NEXTHOP_IPV4 3 | |
447 | #define ZEBRA_NEXTHOP_IPV4_IFINDEX 4 | |
448 | #define ZEBRA_NEXTHOP_IPV4_IFNAME 5 | |
449 | #define ZEBRA_NEXTHOP_IPV6 6 | |
450 | #define ZEBRA_NEXTHOP_IPV6_IFINDEX 7 | |
451 | #define ZEBRA_NEXTHOP_IPV6_IFNAME 8 | |
595db7f1 | 452 | #define ZEBRA_NEXTHOP_BLACKHOLE 9 |
718e3744 | 453 | |
454 | #ifndef INADDR_LOOPBACK | |
455 | #define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */ | |
456 | #endif | |
457 | ||
458 | /* Address family numbers from RFC1700. */ | |
459 | #define AFI_IP 1 | |
460 | #define AFI_IP6 2 | |
461 | #define AFI_MAX 3 | |
462 | ||
463 | /* Subsequent Address Family Identifier. */ | |
464 | #define SAFI_UNICAST 1 | |
465 | #define SAFI_MULTICAST 2 | |
466 | #define SAFI_UNICAST_MULTICAST 3 | |
467 | #define SAFI_MPLS_VPN 4 | |
468 | #define SAFI_MAX 5 | |
469 | ||
470 | /* Filter direction. */ | |
471 | #define FILTER_IN 0 | |
472 | #define FILTER_OUT 1 | |
473 | #define FILTER_MAX 2 | |
474 | ||
475 | /* Default Administrative Distance of each protocol. */ | |
476 | #define ZEBRA_KERNEL_DISTANCE_DEFAULT 0 | |
477 | #define ZEBRA_CONNECT_DISTANCE_DEFAULT 0 | |
478 | #define ZEBRA_STATIC_DISTANCE_DEFAULT 1 | |
479 | #define ZEBRA_RIP_DISTANCE_DEFAULT 120 | |
480 | #define ZEBRA_RIPNG_DISTANCE_DEFAULT 120 | |
481 | #define ZEBRA_OSPF_DISTANCE_DEFAULT 110 | |
482 | #define ZEBRA_OSPF6_DISTANCE_DEFAULT 110 | |
9e867fe6 | 483 | #define ZEBRA_ISIS_DISTANCE_DEFAULT 115 |
718e3744 | 484 | #define ZEBRA_IBGP_DISTANCE_DEFAULT 200 |
485 | #define ZEBRA_EBGP_DISTANCE_DEFAULT 20 | |
486 | ||
487 | /* Flag manipulation macros. */ | |
488 | #define CHECK_FLAG(V,F) ((V) & (F)) | |
548e6f7d | 489 | #define SET_FLAG(V,F) (V) |= (F) |
490 | #define UNSET_FLAG(V,F) (V) &= ~(F) | |
718e3744 | 491 | |
492 | /* AFI and SAFI type. */ | |
493 | typedef u_int16_t afi_t; | |
5228ad27 | 494 | typedef u_int8_t safi_t; |
718e3744 | 495 | |
496 | /* Zebra types. */ | |
497 | typedef u_int16_t zebra_size_t; | |
498 | typedef u_int8_t zebra_command_t; | |
499 | ||
f0438521 | 500 | /* FIFO -- first in first out structure and macros. */ |
501 | struct fifo | |
502 | { | |
503 | struct fifo *next; | |
504 | struct fifo *prev; | |
505 | }; | |
506 | ||
507 | #define FIFO_INIT(F) \ | |
508 | do { \ | |
509 | struct fifo *Xfifo = (struct fifo *)(F); \ | |
510 | Xfifo->next = Xfifo->prev = Xfifo; \ | |
511 | } while (0) | |
512 | ||
513 | #define FIFO_ADD(F,N) \ | |
514 | do { \ | |
515 | struct fifo *Xfifo = (struct fifo *)(F); \ | |
516 | struct fifo *Xnode = (struct fifo *)(N); \ | |
517 | Xnode->next = Xfifo; \ | |
518 | Xnode->prev = Xfifo->prev; \ | |
519 | Xfifo->prev = Xfifo->prev->next = Xnode; \ | |
520 | } while (0) | |
521 | ||
522 | #define FIFO_DEL(N) \ | |
523 | do { \ | |
524 | struct fifo *Xnode = (struct fifo *)(N); \ | |
525 | Xnode->prev->next = Xnode->next; \ | |
526 | Xnode->next->prev = Xnode->prev; \ | |
527 | } while (0) | |
528 | ||
529 | #define FIFO_HEAD(F) \ | |
530 | ((((struct fifo *)(F))->next == (struct fifo *)(F)) \ | |
531 | ? NULL : (F)->next) | |
532 | ||
533 | #define FIFO_EMPTY(F) \ | |
534 | (((struct fifo *)(F))->next == (struct fifo *)(F)) | |
535 | ||
536 | #define FIFO_TOP(F) \ | |
537 | (FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next) | |
538 | ||
718e3744 | 539 | #endif /* _ZEBRA_H */ |