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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 | ||
28 | #ifdef SUNOS_5 | |
29 | #define _XPG4_2 | |
30 | #define __EXTENSIONS__ | |
9bcdb638 | 31 | typedef unsigned int u_int32_t; |
32 | typedef unsigned short u_int16_t; | |
33 | typedef unsigned char u_int8_t; | |
718e3744 | 34 | #endif /* SUNOS_5 */ |
35 | ||
f0438521 | 36 | #ifndef HAVE_SOCKLEN_T |
37 | typedef int socklen_t; | |
38 | #endif /* HAVE_SOCKLEN_T */ | |
39 | ||
718e3744 | 40 | #include <unistd.h> |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
c423d413 | 43 | #include <stddef.h> |
718e3744 | 44 | #include <ctype.h> |
45 | #include <errno.h> | |
46 | #include <fcntl.h> | |
47 | #include <signal.h> | |
48 | #include <string.h> | |
edd7c245 | 49 | #include <pwd.h> |
50 | #include <grp.h> | |
718e3744 | 51 | #ifdef HAVE_STROPTS_H |
52 | #include <stropts.h> | |
53 | #endif /* HAVE_STROPTS_H */ | |
718e3744 | 54 | #ifdef HAVE_SYS_SELECT_H |
55 | #include <sys/select.h> | |
56 | #endif /* HAVE_SYS_SELECT_H */ | |
57 | #include <sys/stat.h> | |
718e3744 | 58 | #include <sys/types.h> |
59 | #include <sys/param.h> | |
60 | #ifdef HAVE_SYS_SYSCTL_H | |
0dc0b708 AS |
61 | #ifdef GNU_LINUX |
62 | #include <linux/types.h> | |
63 | #endif | |
718e3744 | 64 | #include <sys/sysctl.h> |
65 | #endif /* HAVE_SYS_SYSCTL_H */ | |
66 | #include <sys/ioctl.h> | |
67 | #ifdef HAVE_SYS_CONF_H | |
68 | #include <sys/conf.h> | |
69 | #endif /* HAVE_SYS_CONF_H */ | |
70 | #ifdef HAVE_SYS_KSYM_H | |
71 | #include <sys/ksym.h> | |
72 | #endif /* HAVE_SYS_KSYM_H */ | |
73 | #include <syslog.h> | |
6511cab2 PJ |
74 | #ifdef TIME_WITH_SYS_TIME |
75 | # include <sys/time.h> | |
76 | # include <time.h> | |
77 | #else | |
78 | # ifdef HAVE_SYS_TIME_H | |
79 | # include <sys/time.h> | |
80 | # else | |
81 | # include <time.h> | |
82 | # endif | |
83 | #endif /* TIME_WITH_SYS_TIME */ | |
718e3744 | 84 | #include <sys/uio.h> |
85 | #include <sys/utsname.h> | |
86 | #ifdef HAVE_RUSAGE | |
87 | #include <sys/resource.h> | |
88 | #endif /* HAVE_RUSAGE */ | |
a58c25b6 | 89 | #ifdef HAVE_LIMITS_H |
90 | #include <limits.h> | |
91 | #endif /* HAVE_LIMITS_H */ | |
35cfc90c PJ |
92 | #ifdef HAVE_INTTYPES_H |
93 | #include <inttypes.h> | |
94 | #endif /* HAVE_INTTYPES_H */ | |
718e3744 | 95 | |
96 | /* machine dependent includes */ | |
97 | #ifdef SUNOS_5 | |
718e3744 | 98 | #include <strings.h> |
99 | #endif /* SUNOS_5 */ | |
100 | ||
101 | /* machine dependent includes */ | |
102 | #ifdef HAVE_LINUX_VERSION_H | |
103 | #include <linux/version.h> | |
104 | #endif /* HAVE_LINUX_VERSION_H */ | |
105 | ||
ba965c6c | 106 | #ifdef HAVE_ASM_TYPES_H |
107 | #include <asm/types.h> | |
108 | #endif /* HAVE_ASM_TYPES_H */ | |
109 | ||
718e3744 | 110 | /* misc include group */ |
111 | #include <stdarg.h> | |
4cf0d0df | 112 | #if !(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) |
113 | /* Not C99; do we need to define va_copy? */ | |
e22f5516 | 114 | #ifndef va_copy |
115 | #ifdef __va_copy | |
4cf0d0df | 116 | #define va_copy(DST,SRC) __va_copy(DST,SRC) |
e22f5516 | 117 | #else |
118 | /* Now we are desperate; this should work on many typical platforms. | |
119 | But this is slightly dangerous, because the standard does not require | |
120 | va_copy to be a macro. */ | |
121 | #define va_copy(DST,SRC) memcpy(&(DST), &(SRC), sizeof(va_list)) | |
122 | #warning "Not C99 and no va_copy macro available, falling back to memcpy" | |
123 | #endif /* __va_copy */ | |
124 | #endif /* !va_copy */ | |
4cf0d0df | 125 | #endif /* !C99 */ |
db8eaac6 | 126 | |
718e3744 | 127 | |
ba3a0bc5 | 128 | #ifdef HAVE_LCAPS |
129 | #include <sys/capability.h> | |
130 | #include <sys/prctl.h> | |
131 | #endif /* HAVE_LCAPS */ | |
132 | ||
ceacedba | 133 | #ifdef HAVE_SOLARIS_CAPABILITIES |
134 | #include <priv.h> | |
135 | #endif /* HAVE_SOLARIS_CAPABILITIES */ | |
136 | ||
718e3744 | 137 | /* network include group */ |
138 | ||
139 | #include <sys/socket.h> | |
140 | ||
141 | #ifdef HAVE_SYS_SOCKIO_H | |
142 | #include <sys/sockio.h> | |
143 | #endif /* HAVE_SYS_SOCKIO_H */ | |
144 | ||
ea057677 HT |
145 | #ifdef __APPLE__ |
146 | #define __APPLE_USE_RFC_3542 | |
147 | #endif | |
148 | ||
718e3744 | 149 | #ifdef HAVE_NETINET_IN_H |
150 | #include <netinet/in.h> | |
151 | #endif /* HAVE_NETINET_IN_H */ | |
152 | #include <netinet/in_systm.h> | |
153 | #include <netinet/ip.h> | |
154 | #include <netinet/tcp.h> | |
155 | ||
156 | #ifdef HAVE_NET_NETOPT_H | |
157 | #include <net/netopt.h> | |
158 | #endif /* HAVE_NET_NETOPT_H */ | |
159 | ||
160 | #include <net/if.h> | |
161 | ||
162 | #ifdef HAVE_NET_IF_DL_H | |
163 | #include <net/if_dl.h> | |
164 | #endif /* HAVE_NET_IF_DL_H */ | |
165 | ||
166 | #ifdef HAVE_NET_IF_VAR_H | |
167 | #include <net/if_var.h> | |
168 | #endif /* HAVE_NET_IF_VAR_H */ | |
169 | ||
a58c25b6 | 170 | #ifdef HAVE_NET_ROUTE_H |
718e3744 | 171 | #include <net/route.h> |
a58c25b6 | 172 | #endif /* HAVE_NET_ROUTE_H */ |
718e3744 | 173 | |
174 | #ifdef HAVE_NETLINK | |
175 | #include <linux/netlink.h> | |
176 | #include <linux/rtnetlink.h> | |
768a27ea | 177 | #include <linux/filter.h> |
718e3744 | 178 | #else |
179 | #define RT_TABLE_MAIN 0 | |
180 | #endif /* HAVE_NETLINK */ | |
181 | ||
182 | #ifdef HAVE_NETDB_H | |
183 | #include <netdb.h> | |
184 | #endif /* HAVE_NETDB_H */ | |
185 | ||
186 | #include <arpa/inet.h> | |
718e3744 | 187 | |
188 | #ifdef HAVE_INET_ND_H | |
189 | #include <inet/nd.h> | |
190 | #endif /* HAVE_INET_ND_H */ | |
191 | ||
192 | #ifdef HAVE_NETINET_IN_VAR_H | |
193 | #include <netinet/in_var.h> | |
194 | #endif /* HAVE_NETINET_IN_VAR_H */ | |
195 | ||
726f9b2b | 196 | #ifdef HAVE_NETINET6_IN6_VAR_H |
197 | #include <netinet6/in6_var.h> | |
198 | #endif /* HAVE_NETINET6_IN6_VAR_H */ | |
199 | ||
718e3744 | 200 | #ifdef HAVE_NETINET_IN6_VAR_H |
201 | #include <netinet/in6_var.h> | |
202 | #endif /* HAVE_NETINET_IN6_VAR_H */ | |
203 | ||
204 | #ifdef HAVE_NETINET6_IN_H | |
205 | #include <netinet6/in.h> | |
206 | #endif /* HAVE_NETINET6_IN_H */ | |
207 | ||
208 | ||
209 | #ifdef HAVE_NETINET6_IP6_H | |
210 | #include <netinet6/ip6.h> | |
211 | #endif /* HAVE_NETINET6_IP6_H */ | |
212 | ||
213 | #ifdef HAVE_NETINET_ICMP6_H | |
214 | #include <netinet/icmp6.h> | |
215 | #endif /* HAVE_NETINET_ICMP6_H */ | |
216 | ||
217 | #ifdef HAVE_NETINET6_ND6_H | |
218 | #include <netinet6/nd6.h> | |
219 | #endif /* HAVE_NETINET6_ND6_H */ | |
220 | ||
35cfc90c PJ |
221 | /* Some systems do not define UINT32_MAX, etc.. from inttypes.h |
222 | * e.g. this makes life easier for FBSD 4.11 users. | |
223 | */ | |
224 | #ifndef INT8_MAX | |
225 | #define INT8_MAX (127) | |
226 | #endif | |
227 | #ifndef INT16_MAX | |
228 | #define INT16_MAX (32767) | |
229 | #endif | |
230 | #ifndef INT32_MAX | |
231 | #define INT32_MAX (2147483647) | |
232 | #endif | |
233 | #ifndef UINT8_MAX | |
234 | #define UINT8_MAX (255U) | |
235 | #endif | |
236 | #ifndef UINT16_MAX | |
237 | #define UINT16_MAX (65535U) | |
238 | #endif | |
3b424979 | 239 | #ifndef UINT32_MAX |
35cfc90c PJ |
240 | #define UINT32_MAX (4294967295U) |
241 | #endif | |
3b424979 | 242 | |
fb2d1502 | 243 | #ifdef HAVE_GLIBC_BACKTRACE |
244 | #include <execinfo.h> | |
245 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
246 | ||
718e3744 | 247 | #ifdef BSDI_NRL |
248 | ||
249 | #ifdef HAVE_NETINET6_IN6_H | |
250 | #include <netinet6/in6.h> | |
251 | #endif /* HAVE_NETINET6_IN6_H */ | |
252 | ||
253 | #ifdef NRL | |
254 | #include <netinet6/in6.h> | |
255 | #endif /* NRL */ | |
256 | ||
257 | #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL | |
258 | ||
718e3744 | 259 | #endif /* BSDI_NRL */ |
260 | ||
db8eaac6 | 261 | /* Local includes: */ |
262 | #if !(defined(__GNUC__) || defined(VTYSH_EXTRACT_PL)) | |
263 | #define __attribute__(x) | |
264 | #endif /* !__GNUC__ || VTYSH_EXTRACT_PL */ | |
265 | ||
266 | #include "zassert.h" | |
3cb98dee | 267 | #include "str.h" |
db8eaac6 | 268 | |
269 | ||
b99760ab | 270 | #ifdef HAVE_BROKEN_CMSG_FIRSTHDR |
271 | /* This bug is present in Solaris 8 and pre-patch Solaris 9 <sys/socket.h>; | |
272 | please refer to http://bugzilla.quagga.net/show_bug.cgi?id=142 */ | |
273 | ||
274 | /* Check that msg_controllen is large enough. */ | |
275 | #define ZCMSG_FIRSTHDR(mhdr) \ | |
276 | (((size_t)((mhdr)->msg_controllen) >= sizeof(struct cmsghdr)) ? \ | |
277 | CMSG_FIRSTHDR(mhdr) : (struct cmsghdr *)NULL) | |
278 | ||
279 | #warning "CMSG_FIRSTHDR is broken on this platform, using a workaround" | |
280 | ||
281 | #else /* HAVE_BROKEN_CMSG_FIRSTHDR */ | |
282 | #define ZCMSG_FIRSTHDR(M) CMSG_FIRSTHDR(M) | |
283 | #endif /* HAVE_BROKEN_CMSG_FIRSTHDR */ | |
284 | ||
285 | ||
286 | ||
02ff83c5 | 287 | /* |
69e1325f | 288 | * RFC 3542 defines several macros for using struct cmsghdr. |
289 | * Here, we define those that are not present | |
290 | */ | |
291 | ||
292 | /* | |
293 | * Internal defines, for use only in this file. | |
294 | * These are likely wrong on other than ILP32 machines, so warn. | |
02ff83c5 | 295 | */ |
296 | #ifndef _CMSG_DATA_ALIGN | |
297 | #define _CMSG_DATA_ALIGN(n) (((n) + 3) & ~3) | |
298 | #endif /* _CMSG_DATA_ALIGN */ | |
299 | ||
300 | #ifndef _CMSG_HDR_ALIGN | |
301 | #define _CMSG_HDR_ALIGN(n) (((n) + 3) & ~3) | |
302 | #endif /* _CMSG_HDR_ALIGN */ | |
303 | ||
69e1325f | 304 | /* |
305 | * CMSG_SPACE and CMSG_LEN are required in RFC3542, but were new in that | |
306 | * version. | |
307 | */ | |
02ff83c5 | 308 | #ifndef CMSG_SPACE |
309 | #define CMSG_SPACE(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + \ | |
310 | _CMSG_HDR_ALIGN(l)) | |
69e1325f | 311 | #warning "assuming 4-byte alignment for CMSG_SPACE" |
02ff83c5 | 312 | #endif /* CMSG_SPACE */ |
313 | ||
314 | ||
315 | #ifndef CMSG_LEN | |
316 | #define CMSG_LEN(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + (l)) | |
69e1325f | 317 | #warning "assuming 4-byte alignment for CMSG_LEN" |
02ff83c5 | 318 | #endif /* CMSG_LEN */ |
319 | ||
69e1325f | 320 | |
718e3744 | 321 | /* The definition of struct in_pktinfo is missing in old version of |
322 | GLIBC 2.1 (Redhat 6.1). */ | |
6f0e3f6e | 323 | #if defined (GNU_LINUX) && ! defined (HAVE_STRUCT_IN_PKTINFO) |
718e3744 | 324 | struct in_pktinfo |
325 | { | |
326 | int ipi_ifindex; | |
327 | struct in_addr ipi_spec_dst; | |
328 | struct in_addr ipi_addr; | |
329 | }; | |
330 | #endif | |
331 | ||
9172ee0e | 332 | /* |
333 | * OSPF Fragmentation / fragmented writes | |
334 | * | |
335 | * ospfd can support writing fragmented packets, for cases where | |
336 | * kernel will not fragment IP_HDRINCL and/or multicast destined | |
337 | * packets (ie TTBOMK all kernels, BSD, SunOS, Linux). However, | |
338 | * SunOS, probably BSD too, clobber the user supplied IP ID and IP | |
339 | * flags fields, hence user-space fragmentation will not work. | |
340 | * Only Linux is known to leave IP header unmolested. | |
341 | * Further, fragmentation really should be done the kernel, which already | |
342 | * supports it, and which avoids nasty IP ID state problems. | |
343 | * | |
344 | * Fragmentation of OSPF packets can be required on networks with router | |
345 | * with many many interfaces active in one area, or on networks with links | |
346 | * with low MTUs. | |
347 | */ | |
348 | #ifdef GNU_LINUX | |
349 | #define WANT_OSPF_WRITE_FRAGMENT | |
350 | #endif | |
351 | ||
352 | /* | |
353 | * IP_HDRINCL / struct ip byte order | |
354 | * | |
355 | * Linux: network byte order | |
356 | * *BSD: network, except for length and offset. (cf Stevens) | |
357 | * SunOS: nominally as per BSD. but bug: network order on LE. | |
358 | * OpenBSD: network byte order, apart from older versions which are as per | |
359 | * *BSD | |
360 | */ | |
361 | #if defined(__NetBSD__) || defined(__FreeBSD__) \ | |
362 | || (defined(__OpenBSD__) && (OpenBSD < 200311)) \ | |
3f0bfc9e | 363 | || (defined(__APPLE__)) \ |
9172ee0e | 364 | || (defined(SUNOS_5) && defined(WORDS_BIGENDIAN)) |
365 | #define HAVE_IP_HDRINCL_BSD_ORDER | |
366 | #endif | |
367 | ||
34204aac | 368 | /* Define BYTE_ORDER, if not defined. Useful for compiler conditional |
369 | * code, rather than preprocessor conditional. | |
370 | * Not all the world has this BSD define. | |
371 | */ | |
372 | #ifndef BYTE_ORDER | |
373 | #define BIG_ENDIAN 4321 /* least-significant byte first (vax, pc) */ | |
374 | #define LITTLE_ENDIAN 1234 /* most-significant byte first (IBM, net) */ | |
375 | #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */ | |
376 | ||
377 | #if defined(WORDS_BIGENDIAN) | |
378 | #define BYTE_ORDER BIG_ENDIAN | |
379 | #else /* !WORDS_BIGENDIAN */ | |
380 | #define BYTE_ORDER LITTLE_ENDIAN | |
381 | #endif /* WORDS_BIGENDIAN */ | |
382 | ||
383 | #endif /* ndef BYTE_ORDER */ | |
384 | ||
efba6ce9 | 385 | /* MAX / MIN are not commonly defined, but useful */ |
386 | #ifndef MAX | |
387 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
388 | #endif | |
389 | #ifndef MIN | |
390 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
391 | #endif | |
392 | ||
0915bb0c AS |
393 | #define ZEBRA_NUM_OF(x) (sizeof (x) / sizeof (x[0])) |
394 | ||
718e3744 | 395 | /* For old definition. */ |
396 | #ifndef IN6_ARE_ADDR_EQUAL | |
397 | #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL | |
398 | #endif /* IN6_ARE_ADDR_EQUAL */ | |
399 | ||
8cc4198f | 400 | /* default zebra TCP port for zclient */ |
401 | #define ZEBRA_PORT 2600 | |
402 | ||
718e3744 | 403 | /* Zebra message types. */ |
404 | #define ZEBRA_INTERFACE_ADD 1 | |
405 | #define ZEBRA_INTERFACE_DELETE 2 | |
406 | #define ZEBRA_INTERFACE_ADDRESS_ADD 3 | |
407 | #define ZEBRA_INTERFACE_ADDRESS_DELETE 4 | |
408 | #define ZEBRA_INTERFACE_UP 5 | |
409 | #define ZEBRA_INTERFACE_DOWN 6 | |
410 | #define ZEBRA_IPV4_ROUTE_ADD 7 | |
411 | #define ZEBRA_IPV4_ROUTE_DELETE 8 | |
412 | #define ZEBRA_IPV6_ROUTE_ADD 9 | |
413 | #define ZEBRA_IPV6_ROUTE_DELETE 10 | |
414 | #define ZEBRA_REDISTRIBUTE_ADD 11 | |
415 | #define ZEBRA_REDISTRIBUTE_DELETE 12 | |
416 | #define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13 | |
417 | #define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14 | |
418 | #define ZEBRA_IPV4_NEXTHOP_LOOKUP 15 | |
419 | #define ZEBRA_IPV6_NEXTHOP_LOOKUP 16 | |
420 | #define ZEBRA_IPV4_IMPORT_LOOKUP 17 | |
421 | #define ZEBRA_IPV6_IMPORT_LOOKUP 18 | |
efba6ce9 | 422 | #define ZEBRA_INTERFACE_RENAME 19 |
18a6dce6 | 423 | #define ZEBRA_ROUTER_ID_ADD 20 |
424 | #define ZEBRA_ROUTER_ID_DELETE 21 | |
425 | #define ZEBRA_ROUTER_ID_UPDATE 22 | |
2ea1ab1c | 426 | #define ZEBRA_HELLO 23 |
fb018d25 DS |
427 | #define ZEBRA_NEXTHOP_REGISTER 24 |
428 | #define ZEBRA_NEXTHOP_UNREGISTER 25 | |
429 | #define ZEBRA_NEXTHOP_UPDATE 26 | |
a80beece DS |
430 | #define ZEBRA_INTERFACE_NBR_ADDRESS_ADD 27 |
431 | #define ZEBRA_INTERFACE_NBR_ADDRESS_DELETE 28 | |
68fe91d6 | 432 | #define ZEBRA_INTERFACE_BFD_DEST_UPDATE 29 |
078430f6 DS |
433 | #define ZEBRA_IMPORT_ROUTE_REGISTER 30 |
434 | #define ZEBRA_IMPORT_ROUTE_UNREGISTER 31 | |
435 | #define ZEBRA_IMPORT_CHECK_UPDATE 32 | |
8a92a8a0 | 436 | #define ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD 33 |
c43ed2e4 DS |
437 | #define ZEBRA_BFD_DEST_REGISTER 34 |
438 | #define ZEBRA_BFD_DEST_DEREGISTER 35 | |
439 | #define ZEBRA_BFD_DEST_UPDATE 36 | |
440 | #define ZEBRA_BFD_DEST_REPLAY 37 | |
5048fe14 | 441 | #define ZEBRA_REDISTRIBUTE_IPV4_ADD 38 |
442 | #define ZEBRA_REDISTRIBUTE_IPV4_DEL 39 | |
443 | #define ZEBRA_REDISTRIBUTE_IPV6_ADD 40 | |
444 | #define ZEBRA_REDISTRIBUTE_IPV6_DEL 41 | |
7076bb2f | 445 | #define ZEBRA_VRF_UNREGISTER 42 |
12f6fb97 DS |
446 | #define ZEBRA_VRF_ADD 43 |
447 | #define ZEBRA_VRF_DELETE 44 | |
c8e264b6 | 448 | #define ZEBRA_INTERFACE_VRF_UPDATE 45 |
449 | #define ZEBRA_MESSAGE_MAX 46 | |
718e3744 | 450 | |
c1b9800a | 451 | /* Marker value used in new Zserv, in the byte location corresponding |
452 | * the command value in the old zserv header. To allow old and new | |
453 | * Zserv headers to be distinguished from each other. | |
454 | */ | |
455 | #define ZEBRA_HEADER_MARKER 255 | |
456 | ||
e0ca5fde DL |
457 | /* Zebra route's types are defined in route_types.h */ |
458 | #include "route_types.h" | |
718e3744 | 459 | |
d6d672aa PJ |
460 | /* Note: whenever a new route-type or zserv-command is added the |
461 | * corresponding {command,route}_types[] table in lib/log.c MUST be | |
462 | * updated! */ | |
f52d13cb | 463 | |
464 | /* Map a route type to a string. For example, ZEBRA_ROUTE_RIPNG -> "ripng". */ | |
b6026073 | 465 | extern const char *zebra_route_string(unsigned int route_type); |
f52d13cb | 466 | /* Map a route type to a char. For example, ZEBRA_ROUTE_RIPNG -> 'R'. */ |
b6026073 | 467 | extern char zebra_route_char(unsigned int route_type); |
d6d672aa PJ |
468 | /* Map a zserv command type to the same string, |
469 | * e.g. ZEBRA_INTERFACE_ADD -> "ZEBRA_INTERFACE_ADD" */ | |
7514fb77 PJ |
470 | /* Map a protocol name to its number. e.g. ZEBRA_ROUTE_BGP->9*/ |
471 | extern int proto_name2num(const char *s); | |
e0ca5fde DL |
472 | /* Map redistribute X argument to protocol number. |
473 | * unlike proto_name2num, this accepts shorthands and takes | |
474 | * an AFI value to restrict input */ | |
475 | extern int proto_redistnum(int afi, const char *s); | |
7514fb77 | 476 | |
d6d672aa | 477 | extern const char *zserv_command_string (unsigned int command); |
f52d13cb | 478 | |
718e3744 | 479 | /* Zebra's family types. */ |
480 | #define ZEBRA_FAMILY_IPV4 1 | |
481 | #define ZEBRA_FAMILY_IPV6 2 | |
482 | #define ZEBRA_FAMILY_MAX 3 | |
483 | ||
484 | /* Error codes of zebra. */ | |
dc95824a | 485 | #define ZEBRA_ERR_NOERROR 0 |
718e3744 | 486 | #define ZEBRA_ERR_RTEXIST -1 |
487 | #define ZEBRA_ERR_RTUNREACH -2 | |
488 | #define ZEBRA_ERR_EPERM -3 | |
489 | #define ZEBRA_ERR_RTNOEXIST -4 | |
dc95824a | 490 | #define ZEBRA_ERR_KERNEL -5 |
718e3744 | 491 | |
492 | /* Zebra message flags */ | |
493 | #define ZEBRA_FLAG_INTERNAL 0x01 | |
494 | #define ZEBRA_FLAG_SELFROUTE 0x02 | |
495 | #define ZEBRA_FLAG_BLACKHOLE 0x04 | |
496 | #define ZEBRA_FLAG_IBGP 0x08 | |
497 | #define ZEBRA_FLAG_SELECTED 0x10 | |
498 | #define ZEBRA_FLAG_CHANGED 0x20 | |
499 | #define ZEBRA_FLAG_STATIC 0x40 | |
81dfcaa2 | 500 | #define ZEBRA_FLAG_REJECT 0x80 |
525c1839 | 501 | #define ZEBRA_FLAG_SCOPE_LINK 0x100 |
718e3744 | 502 | |
503 | /* Zebra nexthop flags. */ | |
504 | #define ZEBRA_NEXTHOP_IFINDEX 1 | |
3ee39b5b DS |
505 | #define ZEBRA_NEXTHOP_IPV4 2 |
506 | #define ZEBRA_NEXTHOP_IPV4_IFINDEX 3 | |
507 | #define ZEBRA_NEXTHOP_IPV6 4 | |
508 | #define ZEBRA_NEXTHOP_IPV6_IFINDEX 5 | |
509 | #define ZEBRA_NEXTHOP_BLACKHOLE 6 | |
510 | #define ZEBRA_NEXTHOP_IPV4_ONLINK 7 | |
718e3744 | 511 | |
512 | #ifndef INADDR_LOOPBACK | |
513 | #define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */ | |
514 | #endif | |
515 | ||
516 | /* Address family numbers from RFC1700. */ | |
517 | #define AFI_IP 1 | |
518 | #define AFI_IP6 2 | |
519 | #define AFI_MAX 3 | |
520 | ||
521 | /* Subsequent Address Family Identifier. */ | |
522 | #define SAFI_UNICAST 1 | |
523 | #define SAFI_MULTICAST 2 | |
0a28130d | 524 | #define SAFI_RESERVED_3 3 |
718e3744 | 525 | #define SAFI_MPLS_VPN 4 |
526 | #define SAFI_MAX 5 | |
527 | ||
528 | /* Filter direction. */ | |
529 | #define FILTER_IN 0 | |
530 | #define FILTER_OUT 1 | |
531 | #define FILTER_MAX 2 | |
532 | ||
533 | /* Default Administrative Distance of each protocol. */ | |
534 | #define ZEBRA_KERNEL_DISTANCE_DEFAULT 0 | |
535 | #define ZEBRA_CONNECT_DISTANCE_DEFAULT 0 | |
536 | #define ZEBRA_STATIC_DISTANCE_DEFAULT 1 | |
537 | #define ZEBRA_RIP_DISTANCE_DEFAULT 120 | |
538 | #define ZEBRA_RIPNG_DISTANCE_DEFAULT 120 | |
539 | #define ZEBRA_OSPF_DISTANCE_DEFAULT 110 | |
540 | #define ZEBRA_OSPF6_DISTANCE_DEFAULT 110 | |
9e867fe6 | 541 | #define ZEBRA_ISIS_DISTANCE_DEFAULT 115 |
718e3744 | 542 | #define ZEBRA_IBGP_DISTANCE_DEFAULT 200 |
543 | #define ZEBRA_EBGP_DISTANCE_DEFAULT 20 | |
7a4bb9c5 | 544 | #define ZEBRA_TABLE_DISTANCE_DEFAULT 150 |
718e3744 | 545 | |
546 | /* Flag manipulation macros. */ | |
547 | #define CHECK_FLAG(V,F) ((V) & (F)) | |
548e6f7d | 548 | #define SET_FLAG(V,F) (V) |= (F) |
549 | #define UNSET_FLAG(V,F) (V) &= ~(F) | |
fb018d25 | 550 | #define RESET_FLAG(V) (V) = 0 |
718e3744 | 551 | |
552 | /* AFI and SAFI type. */ | |
553 | typedef u_int16_t afi_t; | |
5228ad27 | 554 | typedef u_int8_t safi_t; |
718e3744 | 555 | |
c1b9800a | 556 | /* Zebra types. Used in Zserv message header. */ |
718e3744 | 557 | typedef u_int16_t zebra_size_t; |
c1b9800a | 558 | typedef u_int16_t zebra_command_t; |
718e3744 | 559 | |
b72ede27 FL |
560 | /* VRF ID type. */ |
561 | typedef u_int16_t vrf_id_t; | |
562 | ||
f0438521 | 563 | /* FIFO -- first in first out structure and macros. */ |
564 | struct fifo | |
565 | { | |
566 | struct fifo *next; | |
567 | struct fifo *prev; | |
568 | }; | |
569 | ||
570 | #define FIFO_INIT(F) \ | |
571 | do { \ | |
572 | struct fifo *Xfifo = (struct fifo *)(F); \ | |
573 | Xfifo->next = Xfifo->prev = Xfifo; \ | |
574 | } while (0) | |
575 | ||
576 | #define FIFO_ADD(F,N) \ | |
577 | do { \ | |
578 | struct fifo *Xfifo = (struct fifo *)(F); \ | |
579 | struct fifo *Xnode = (struct fifo *)(N); \ | |
580 | Xnode->next = Xfifo; \ | |
581 | Xnode->prev = Xfifo->prev; \ | |
582 | Xfifo->prev = Xfifo->prev->next = Xnode; \ | |
583 | } while (0) | |
584 | ||
585 | #define FIFO_DEL(N) \ | |
586 | do { \ | |
587 | struct fifo *Xnode = (struct fifo *)(N); \ | |
588 | Xnode->prev->next = Xnode->next; \ | |
589 | Xnode->next->prev = Xnode->prev; \ | |
590 | } while (0) | |
591 | ||
592 | #define FIFO_HEAD(F) \ | |
593 | ((((struct fifo *)(F))->next == (struct fifo *)(F)) \ | |
594 | ? NULL : (F)->next) | |
595 | ||
596 | #define FIFO_EMPTY(F) \ | |
597 | (((struct fifo *)(F))->next == (struct fifo *)(F)) | |
598 | ||
599 | #define FIFO_TOP(F) \ | |
600 | (FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next) | |
601 | ||
718e3744 | 602 | #endif /* _ZEBRA_H */ |