1/* 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__
31#endif /* SUNOS_5 */
32
33#include <unistd.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <ctype.h>
37#include <errno.h>
38#include <fcntl.h>
39#include <signal.h>
40#include <string.h>
41#ifdef HAVE_STROPTS_H
42#include <stropts.h>
43#endif /* HAVE_STROPTS_H */
44#include <sys/fcntl.h>
45#ifdef HAVE_SYS_SELECT_H
46#include <sys/select.h>
47#endif /* HAVE_SYS_SELECT_H */
48#include <sys/stat.h>
49#include <sys/time.h>
50#include <sys/types.h>
51#include <sys/param.h>
52#ifdef HAVE_SYS_SYSCTL_H
53#include <sys/sysctl.h>
54#endif /* HAVE_SYS_SYSCTL_H */
55#include <sys/ioctl.h>
56#ifdef HAVE_SYS_CONF_H
57#include <sys/conf.h>
58#endif /* HAVE_SYS_CONF_H */
59#ifdef HAVE_SYS_KSYM_H
60#include <sys/ksym.h>
61#endif /* HAVE_SYS_KSYM_H */
62#include <syslog.h>
63#include <time.h>
64#include <sys/uio.h>
65#include <sys/utsname.h>
66#ifdef HAVE_RUSAGE
67#include <sys/resource.h>
68#endif /* HAVE_RUSAGE */
69
70/* machine dependent includes */
71#ifdef SUNOS_5
72#include <limits.h>
73#include <strings.h>
74#endif /* SUNOS_5 */
75
76/* machine dependent includes */
77#ifdef HAVE_LINUX_VERSION_H
78#include <linux/version.h>
79#endif /* HAVE_LINUX_VERSION_H */
80
81#ifdef HAVE_ASM_TYPES_H
82#include <asm/types.h>
83#endif /* HAVE_ASM_TYPES_H */
84
85/* misc include group */
86#include <stdarg.h>
87#include <assert.h>
88
89/* network include group */
90
91#include <sys/socket.h>
92
93#ifdef HAVE_SYS_SOCKIO_H
94#include <sys/sockio.h>
95#endif /* HAVE_SYS_SOCKIO_H */
96
97#ifdef HAVE_NETINET_IN_H
98#include <netinet/in.h>
99#endif /* HAVE_NETINET_IN_H */
100#include <netinet/in_systm.h>
101#include <netinet/ip.h>
102#include <netinet/tcp.h>
103
104#ifdef HAVE_NET_NETOPT_H
105#include <net/netopt.h>
106#endif /* HAVE_NET_NETOPT_H */
107
108#include <net/if.h>
109
110#ifdef HAVE_NET_IF_DL_H
111#include <net/if_dl.h>
112#endif /* HAVE_NET_IF_DL_H */
113
114#ifdef HAVE_NET_IF_VAR_H
115#include <net/if_var.h>
116#endif /* HAVE_NET_IF_VAR_H */
117
118#include <net/route.h>
119
120#ifdef HAVE_NETLINK
121#include <linux/netlink.h>
122#include <linux/rtnetlink.h>
123#else
124#define RT_TABLE_MAIN		0
125#endif /* HAVE_NETLINK */
126
127#ifdef HAVE_NETDB_H
128#include <netdb.h>
129#endif /* HAVE_NETDB_H */
130
131#include <arpa/inet.h>
132#include <arpa/telnet.h>
133
134#ifdef HAVE_INET_ND_H
135#include <inet/nd.h>
136#endif /* HAVE_INET_ND_H */
137
138#ifdef HAVE_NETINET_IN_VAR_H
139#include <netinet/in_var.h>
140#endif /* HAVE_NETINET_IN_VAR_H */
141
142#ifdef HAVE_NETINET_IN6_VAR_H
143#include <netinet/in6_var.h>
144#endif /* HAVE_NETINET_IN6_VAR_H */
145
146#ifdef HAVE_NETINET6_IN_H
147#include <netinet6/in.h>
148#endif /* HAVE_NETINET6_IN_H */
149
150
151#ifdef HAVE_NETINET6_IP6_H
152#include <netinet6/ip6.h>
153#endif /* HAVE_NETINET6_IP6_H */
154
155#ifdef HAVE_NETINET_ICMP6_H
156#include <netinet/icmp6.h>
157#endif /* HAVE_NETINET_ICMP6_H */
158
159#ifdef HAVE_NETINET6_ND6_H
160#include <netinet6/nd6.h>
161#endif /* HAVE_NETINET6_ND6_H */
162
163#ifdef HAVE_LIBUTIL_H
164#include <libutil.h>
165#endif /* HAVE_LIBUTIL_H */
166
167#ifdef BSDI_NRL
168
169#ifdef HAVE_NETINET6_IN6_H
170#include <netinet6/in6.h>
171#endif /* HAVE_NETINET6_IN6_H */
172
173#ifdef NRL
174#include <netinet6/in6.h>
175#endif /* NRL */
176
177#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
178
179/* BSD/OS 4.0 has lost belows defines, it should appear at
180   /usr/include/sys/socket.h.  */
181#define CMSG_ALIGN(n)           (((n) + 3) & ~3)
182#define CMSG_SPACE(l)   (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
183#define CMSG_LEN(l)     (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
184
185#endif /* BSDI_NRL */
186
187/*  The definition of struct in_pktinfo is missing in old version of
188    GLIBC 2.1 (Redhat 6.1).  */
189#if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO)
190struct in_pktinfo
191{
192  int ipi_ifindex;
193  struct in_addr ipi_spec_dst;
194  struct in_addr ipi_addr;
195};
196#endif
197
198/* For old definition. */
199#ifndef IN6_ARE_ADDR_EQUAL
200#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
201#endif /* IN6_ARE_ADDR_EQUAL */
202
203/* Zebra message types. */
204#define ZEBRA_INTERFACE_ADD                1
205#define ZEBRA_INTERFACE_DELETE             2
206#define ZEBRA_INTERFACE_ADDRESS_ADD        3
207#define ZEBRA_INTERFACE_ADDRESS_DELETE     4
208#define ZEBRA_INTERFACE_UP                 5
209#define ZEBRA_INTERFACE_DOWN               6
210#define ZEBRA_IPV4_ROUTE_ADD               7
211#define ZEBRA_IPV4_ROUTE_DELETE            8
212#define ZEBRA_IPV6_ROUTE_ADD               9
213#define ZEBRA_IPV6_ROUTE_DELETE           10
214#define ZEBRA_REDISTRIBUTE_ADD            11
215#define ZEBRA_REDISTRIBUTE_DELETE         12
216#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD    13
217#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
218#define ZEBRA_IPV4_NEXTHOP_LOOKUP         15
219#define ZEBRA_IPV6_NEXTHOP_LOOKUP         16
220#define ZEBRA_IPV4_IMPORT_LOOKUP          17
221#define ZEBRA_IPV6_IMPORT_LOOKUP          18
222#define ZEBRA_MESSAGE_MAX                 19
223
224/* Zebra route's types. */
225#define ZEBRA_ROUTE_SYSTEM               0
226#define ZEBRA_ROUTE_KERNEL               1
227#define ZEBRA_ROUTE_CONNECT              2
228#define ZEBRA_ROUTE_STATIC               3
229#define ZEBRA_ROUTE_RIP                  4
230#define ZEBRA_ROUTE_RIPNG                5
231#define ZEBRA_ROUTE_OSPF                 6
232#define ZEBRA_ROUTE_OSPF6                7
233#define ZEBRA_ROUTE_BGP                  8
234#define ZEBRA_ROUTE_MAX                  9
235
236/* Zebra's family types. */
237#define ZEBRA_FAMILY_IPV4                1
238#define ZEBRA_FAMILY_IPV6                2
239#define ZEBRA_FAMILY_MAX                 3
240
241/* Error codes of zebra. */
242#define ZEBRA_ERR_RTEXIST               -1
243#define ZEBRA_ERR_RTUNREACH             -2
244#define ZEBRA_ERR_EPERM                 -3
245#define ZEBRA_ERR_RTNOEXIST             -4
246
247/* Zebra message flags */
248#define ZEBRA_FLAG_INTERNAL           0x01
249#define ZEBRA_FLAG_SELFROUTE          0x02
250#define ZEBRA_FLAG_BLACKHOLE          0x04
251#define ZEBRA_FLAG_IBGP               0x08
252#define ZEBRA_FLAG_SELECTED           0x10
253#define ZEBRA_FLAG_CHANGED            0x20
254#define ZEBRA_FLAG_STATIC             0x40
255
256/* Zebra nexthop flags. */
257#define ZEBRA_NEXTHOP_IFINDEX            1
258#define ZEBRA_NEXTHOP_IFNAME             2
259#define ZEBRA_NEXTHOP_IPV4               3
260#define ZEBRA_NEXTHOP_IPV4_IFINDEX       4
261#define ZEBRA_NEXTHOP_IPV4_IFNAME        5
262#define ZEBRA_NEXTHOP_IPV6               6
263#define ZEBRA_NEXTHOP_IPV6_IFINDEX       7
264#define ZEBRA_NEXTHOP_IPV6_IFNAME        8
265
266#ifndef INADDR_LOOPBACK
267#define	INADDR_LOOPBACK	0x7f000001	/* Internet address 127.0.0.1.  */
268#endif
269
270/* Address family numbers from RFC1700. */
271#define AFI_IP                    1
272#define AFI_IP6                   2
273#define AFI_MAX                   3
274
275/* Subsequent Address Family Identifier. */
276#define SAFI_UNICAST              1
277#define SAFI_MULTICAST            2
278#define SAFI_UNICAST_MULTICAST    3
279#define SAFI_MPLS_VPN             4
280#define SAFI_MAX                  5
281
282/* Filter direction.  */
283#define FILTER_IN                 0
284#define FILTER_OUT                1
285#define FILTER_MAX                2
286
287/* Default Administrative Distance of each protocol. */
288#define ZEBRA_KERNEL_DISTANCE_DEFAULT      0
289#define ZEBRA_CONNECT_DISTANCE_DEFAULT     0
290#define ZEBRA_STATIC_DISTANCE_DEFAULT      1
291#define ZEBRA_RIP_DISTANCE_DEFAULT       120
292#define ZEBRA_RIPNG_DISTANCE_DEFAULT     120
293#define ZEBRA_OSPF_DISTANCE_DEFAULT      110
294#define ZEBRA_OSPF6_DISTANCE_DEFAULT     110
295#define ZEBRA_IBGP_DISTANCE_DEFAULT      200
296#define ZEBRA_EBGP_DISTANCE_DEFAULT       20
297
298/* Flag manipulation macros. */
299#define CHECK_FLAG(V,F)      ((V) & (F))
300#define SET_FLAG(V,F)        (V) = (V) | (F)
301#define UNSET_FLAG(V,F)      (V) = (V) & ~(F)
302
303/* AFI and SAFI type. */
304typedef u_int16_t afi_t;
305typedef u_char safi_t;
306
307/* Zebra types. */
308typedef u_int16_t zebra_size_t;
309typedef u_int8_t zebra_command_t;
310
311#endif /* _ZEBRA_H */
312