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paul718e3742002-12-13 20:15:29 +00001/* Zebra common header.
2 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro
3
4This file is part of GNU Zebra.
5
6GNU Zebra is free software; you can redistribute it and/or modify it
7under the terms of the GNU General Public License as published by the
8Free Software Foundation; either version 2, or (at your option) any
9later version.
10
11GNU Zebra is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU Zebra; see the file COPYING. If not, write to the Free
18Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1902111-1307, 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__
paul9bcdb632003-07-08 08:09:45 +000031typedef unsigned int u_int32_t;
32typedef unsigned short u_int16_t;
33typedef unsigned char u_int8_t;
paul718e3742002-12-13 20:15:29 +000034#endif /* SUNOS_5 */
35
paulf0438522003-05-19 21:06:32 +000036#ifndef HAVE_SOCKLEN_T
37typedef int socklen_t;
38#endif /* HAVE_SOCKLEN_T */
39
paul718e3742002-12-13 20:15:29 +000040#include <unistd.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <ctype.h>
44#include <errno.h>
45#include <fcntl.h>
46#include <signal.h>
47#include <string.h>
pauledd7c242003-06-04 13:59:38 +000048#include <pwd.h>
49#include <grp.h>
paul718e3742002-12-13 20:15:29 +000050#ifdef HAVE_STROPTS_H
51#include <stropts.h>
52#endif /* HAVE_STROPTS_H */
53#include <sys/fcntl.h>
54#ifdef HAVE_SYS_SELECT_H
55#include <sys/select.h>
56#endif /* HAVE_SYS_SELECT_H */
57#include <sys/stat.h>
58#include <sys/time.h>
59#include <sys/types.h>
60#include <sys/param.h>
61#ifdef HAVE_SYS_SYSCTL_H
62#include <sys/sysctl.h>
63#endif /* HAVE_SYS_SYSCTL_H */
64#include <sys/ioctl.h>
65#ifdef HAVE_SYS_CONF_H
66#include <sys/conf.h>
67#endif /* HAVE_SYS_CONF_H */
68#ifdef HAVE_SYS_KSYM_H
69#include <sys/ksym.h>
70#endif /* HAVE_SYS_KSYM_H */
71#include <syslog.h>
72#include <time.h>
73#include <sys/uio.h>
74#include <sys/utsname.h>
75#ifdef HAVE_RUSAGE
76#include <sys/resource.h>
77#endif /* HAVE_RUSAGE */
paula58c25b2003-10-22 02:50:45 +000078#ifdef HAVE_LIMITS_H
79#include <limits.h>
80#endif /* HAVE_LIMITS_H */
paul718e3742002-12-13 20:15:29 +000081
82/* machine dependent includes */
83#ifdef SUNOS_5
paul718e3742002-12-13 20:15:29 +000084#include <strings.h>
85#endif /* SUNOS_5 */
86
87/* machine dependent includes */
88#ifdef HAVE_LINUX_VERSION_H
89#include <linux/version.h>
90#endif /* HAVE_LINUX_VERSION_H */
91
paulba965c62003-05-20 02:37:39 +000092#ifdef HAVE_ASM_TYPES_H
93#include <asm/types.h>
94#endif /* HAVE_ASM_TYPES_H */
95
paul718e3742002-12-13 20:15:29 +000096/* misc include group */
97#include <stdarg.h>
98#include <assert.h>
99
hassoba3a0bc2003-06-04 17:41:54 +0000100#ifdef HAVE_LCAPS
101#include <sys/capability.h>
102#include <sys/prctl.h>
103#endif /* HAVE_LCAPS */
104
paul718e3742002-12-13 20:15:29 +0000105/* network include group */
106
107#include <sys/socket.h>
108
109#ifdef HAVE_SYS_SOCKIO_H
110#include <sys/sockio.h>
111#endif /* HAVE_SYS_SOCKIO_H */
112
113#ifdef HAVE_NETINET_IN_H
114#include <netinet/in.h>
115#endif /* HAVE_NETINET_IN_H */
116#include <netinet/in_systm.h>
117#include <netinet/ip.h>
118#include <netinet/tcp.h>
119
120#ifdef HAVE_NET_NETOPT_H
121#include <net/netopt.h>
122#endif /* HAVE_NET_NETOPT_H */
123
124#include <net/if.h>
125
126#ifdef HAVE_NET_IF_DL_H
127#include <net/if_dl.h>
128#endif /* HAVE_NET_IF_DL_H */
129
130#ifdef HAVE_NET_IF_VAR_H
131#include <net/if_var.h>
132#endif /* HAVE_NET_IF_VAR_H */
133
paula58c25b2003-10-22 02:50:45 +0000134#ifdef HAVE_NET_ROUTE_H
paul718e3742002-12-13 20:15:29 +0000135#include <net/route.h>
paula58c25b2003-10-22 02:50:45 +0000136#endif /* HAVE_NET_ROUTE_H */
paul718e3742002-12-13 20:15:29 +0000137
138#ifdef HAVE_NETLINK
139#include <linux/netlink.h>
140#include <linux/rtnetlink.h>
141#else
142#define RT_TABLE_MAIN 0
143#endif /* HAVE_NETLINK */
144
145#ifdef HAVE_NETDB_H
146#include <netdb.h>
147#endif /* HAVE_NETDB_H */
148
149#include <arpa/inet.h>
150#include <arpa/telnet.h>
151
152#ifdef HAVE_INET_ND_H
153#include <inet/nd.h>
154#endif /* HAVE_INET_ND_H */
155
156#ifdef HAVE_NETINET_IN_VAR_H
157#include <netinet/in_var.h>
158#endif /* HAVE_NETINET_IN_VAR_H */
159
hasso726f9b22003-05-25 21:04:54 +0000160#ifdef HAVE_NETINET6_IN6_VAR_H
161#include <netinet6/in6_var.h>
162#endif /* HAVE_NETINET6_IN6_VAR_H */
163
paul718e3742002-12-13 20:15:29 +0000164#ifdef HAVE_NETINET_IN6_VAR_H
165#include <netinet/in6_var.h>
166#endif /* HAVE_NETINET_IN6_VAR_H */
167
168#ifdef HAVE_NETINET6_IN_H
169#include <netinet6/in.h>
170#endif /* HAVE_NETINET6_IN_H */
171
172
173#ifdef HAVE_NETINET6_IP6_H
174#include <netinet6/ip6.h>
175#endif /* HAVE_NETINET6_IP6_H */
176
177#ifdef HAVE_NETINET_ICMP6_H
178#include <netinet/icmp6.h>
179#endif /* HAVE_NETINET_ICMP6_H */
180
181#ifdef HAVE_NETINET6_ND6_H
182#include <netinet6/nd6.h>
183#endif /* HAVE_NETINET6_ND6_H */
184
paul3b424972003-10-13 09:47:32 +0000185/* Some systems do not define UINT32_MAX */
186#ifndef UINT32_MAX
187#define UINT32_MAX 0xFFFFFFFFU
188#endif /* UINT32_MAX */
189
paul718e3742002-12-13 20:15:29 +0000190#ifdef HAVE_LIBUTIL_H
191#include <libutil.h>
192#endif /* HAVE_LIBUTIL_H */
193
paulfb2d1502003-06-04 09:40:54 +0000194#ifdef HAVE_GLIBC_BACKTRACE
195#include <execinfo.h>
196#endif /* HAVE_GLIBC_BACKTRACE */
197
paul718e3742002-12-13 20:15:29 +0000198#ifdef BSDI_NRL
199
200#ifdef HAVE_NETINET6_IN6_H
201#include <netinet6/in6.h>
202#endif /* HAVE_NETINET6_IN6_H */
203
204#ifdef NRL
205#include <netinet6/in6.h>
206#endif /* NRL */
207
208#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
209
210/* BSD/OS 4.0 has lost belows defines, it should appear at
211 /usr/include/sys/socket.h. */
212#define CMSG_ALIGN(n) (((n) + 3) & ~3)
213#define CMSG_SPACE(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
214#define CMSG_LEN(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
215
216#endif /* BSDI_NRL */
217
218/* The definition of struct in_pktinfo is missing in old version of
219 GLIBC 2.1 (Redhat 6.1). */
220#if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO)
221struct in_pktinfo
222{
223 int ipi_ifindex;
224 struct in_addr ipi_spec_dst;
225 struct in_addr ipi_addr;
226};
227#endif
228
229/* For old definition. */
230#ifndef IN6_ARE_ADDR_EQUAL
231#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
232#endif /* IN6_ARE_ADDR_EQUAL */
233
234/* Zebra message types. */
235#define ZEBRA_INTERFACE_ADD 1
236#define ZEBRA_INTERFACE_DELETE 2
237#define ZEBRA_INTERFACE_ADDRESS_ADD 3
238#define ZEBRA_INTERFACE_ADDRESS_DELETE 4
239#define ZEBRA_INTERFACE_UP 5
240#define ZEBRA_INTERFACE_DOWN 6
241#define ZEBRA_IPV4_ROUTE_ADD 7
242#define ZEBRA_IPV4_ROUTE_DELETE 8
243#define ZEBRA_IPV6_ROUTE_ADD 9
244#define ZEBRA_IPV6_ROUTE_DELETE 10
245#define ZEBRA_REDISTRIBUTE_ADD 11
246#define ZEBRA_REDISTRIBUTE_DELETE 12
247#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13
248#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
249#define ZEBRA_IPV4_NEXTHOP_LOOKUP 15
250#define ZEBRA_IPV6_NEXTHOP_LOOKUP 16
251#define ZEBRA_IPV4_IMPORT_LOOKUP 17
252#define ZEBRA_IPV6_IMPORT_LOOKUP 18
253#define ZEBRA_MESSAGE_MAX 19
254
255/* Zebra route's types. */
256#define ZEBRA_ROUTE_SYSTEM 0
257#define ZEBRA_ROUTE_KERNEL 1
258#define ZEBRA_ROUTE_CONNECT 2
259#define ZEBRA_ROUTE_STATIC 3
260#define ZEBRA_ROUTE_RIP 4
261#define ZEBRA_ROUTE_RIPNG 5
262#define ZEBRA_ROUTE_OSPF 6
263#define ZEBRA_ROUTE_OSPF6 7
jardin9e867fe2003-12-23 08:56:18 +0000264#define ZEBRA_ROUTE_ISIS 8
265#define ZEBRA_ROUTE_BGP 9
266#define ZEBRA_ROUTE_MAX 10
paul718e3742002-12-13 20:15:29 +0000267
268/* Zebra's family types. */
269#define ZEBRA_FAMILY_IPV4 1
270#define ZEBRA_FAMILY_IPV6 2
271#define ZEBRA_FAMILY_MAX 3
272
273/* Error codes of zebra. */
274#define ZEBRA_ERR_RTEXIST -1
275#define ZEBRA_ERR_RTUNREACH -2
276#define ZEBRA_ERR_EPERM -3
277#define ZEBRA_ERR_RTNOEXIST -4
278
279/* Zebra message flags */
280#define ZEBRA_FLAG_INTERNAL 0x01
281#define ZEBRA_FLAG_SELFROUTE 0x02
282#define ZEBRA_FLAG_BLACKHOLE 0x04
283#define ZEBRA_FLAG_IBGP 0x08
284#define ZEBRA_FLAG_SELECTED 0x10
285#define ZEBRA_FLAG_CHANGED 0x20
286#define ZEBRA_FLAG_STATIC 0x40
hasso81dfcaa2003-05-25 19:21:25 +0000287#define ZEBRA_FLAG_REJECT 0x80
paul718e3742002-12-13 20:15:29 +0000288
289/* Zebra nexthop flags. */
290#define ZEBRA_NEXTHOP_IFINDEX 1
291#define ZEBRA_NEXTHOP_IFNAME 2
292#define ZEBRA_NEXTHOP_IPV4 3
293#define ZEBRA_NEXTHOP_IPV4_IFINDEX 4
294#define ZEBRA_NEXTHOP_IPV4_IFNAME 5
295#define ZEBRA_NEXTHOP_IPV6 6
296#define ZEBRA_NEXTHOP_IPV6_IFINDEX 7
297#define ZEBRA_NEXTHOP_IPV6_IFNAME 8
paul595db7f2003-05-25 21:35:06 +0000298#define ZEBRA_NEXTHOP_BLACKHOLE 9
paul718e3742002-12-13 20:15:29 +0000299
300#ifndef INADDR_LOOPBACK
301#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
302#endif
303
304/* Address family numbers from RFC1700. */
305#define AFI_IP 1
306#define AFI_IP6 2
307#define AFI_MAX 3
308
309/* Subsequent Address Family Identifier. */
310#define SAFI_UNICAST 1
311#define SAFI_MULTICAST 2
312#define SAFI_UNICAST_MULTICAST 3
313#define SAFI_MPLS_VPN 4
314#define SAFI_MAX 5
315
316/* Filter direction. */
317#define FILTER_IN 0
318#define FILTER_OUT 1
319#define FILTER_MAX 2
320
321/* Default Administrative Distance of each protocol. */
322#define ZEBRA_KERNEL_DISTANCE_DEFAULT 0
323#define ZEBRA_CONNECT_DISTANCE_DEFAULT 0
324#define ZEBRA_STATIC_DISTANCE_DEFAULT 1
325#define ZEBRA_RIP_DISTANCE_DEFAULT 120
326#define ZEBRA_RIPNG_DISTANCE_DEFAULT 120
327#define ZEBRA_OSPF_DISTANCE_DEFAULT 110
328#define ZEBRA_OSPF6_DISTANCE_DEFAULT 110
jardin9e867fe2003-12-23 08:56:18 +0000329#define ZEBRA_ISIS_DISTANCE_DEFAULT 115
paul718e3742002-12-13 20:15:29 +0000330#define ZEBRA_IBGP_DISTANCE_DEFAULT 200
331#define ZEBRA_EBGP_DISTANCE_DEFAULT 20
332
333/* Flag manipulation macros. */
334#define CHECK_FLAG(V,F) ((V) & (F))
335#define SET_FLAG(V,F) (V) = (V) | (F)
336#define UNSET_FLAG(V,F) (V) = (V) & ~(F)
337
338/* AFI and SAFI type. */
339typedef u_int16_t afi_t;
340typedef u_char safi_t;
341
342/* Zebra types. */
343typedef u_int16_t zebra_size_t;
344typedef u_int8_t zebra_command_t;
345
paulf0438522003-05-19 21:06:32 +0000346/* FIFO -- first in first out structure and macros. */
347struct fifo
348{
349 struct fifo *next;
350 struct fifo *prev;
351};
352
353#define FIFO_INIT(F) \
354 do { \
355 struct fifo *Xfifo = (struct fifo *)(F); \
356 Xfifo->next = Xfifo->prev = Xfifo; \
357 } while (0)
358
359#define FIFO_ADD(F,N) \
360 do { \
361 struct fifo *Xfifo = (struct fifo *)(F); \
362 struct fifo *Xnode = (struct fifo *)(N); \
363 Xnode->next = Xfifo; \
364 Xnode->prev = Xfifo->prev; \
365 Xfifo->prev = Xfifo->prev->next = Xnode; \
366 } while (0)
367
368#define FIFO_DEL(N) \
369 do { \
370 struct fifo *Xnode = (struct fifo *)(N); \
371 Xnode->prev->next = Xnode->next; \
372 Xnode->next->prev = Xnode->prev; \
373 } while (0)
374
375#define FIFO_HEAD(F) \
376 ((((struct fifo *)(F))->next == (struct fifo *)(F)) \
377 ? NULL : (F)->next)
378
379#define FIFO_EMPTY(F) \
380 (((struct fifo *)(F))->next == (struct fifo *)(F))
381
382#define FIFO_TOP(F) \
383 (FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next)
384
paul718e3742002-12-13 20:15:29 +0000385#endif /* _ZEBRA_H */