[mirror_frr.git] / lib / zebra.h

/* Zebra common header.
   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro

This file is part of GNU Zebra.

GNU Zebra is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

GNU Zebra is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Zebra; see the file COPYING.  If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#ifndef _ZEBRA_H
#define _ZEBRA_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#ifdef SUNOS_5
#define _XPG4_2
#define __EXTENSIONS__
typedef unsigned int    u_int32_t;
typedef unsigned short  u_int16_t;
typedef unsigned char   u_int8_t;
#endif /* SUNOS_5 */

#ifndef HAVE_SOCKLEN_T
typedef int socklen_t;
#endif /* HAVE_SOCKLEN_T */

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#ifdef HAVE_STROPTS_H
#include <stropts.h>
#endif /* HAVE_STROPTS_H */
#include <sys/fcntl.h>
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif /* HAVE_SYS_SELECT_H */
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif /* HAVE_SYS_SYSCTL_H */
#include <sys/ioctl.h>
#ifdef HAVE_SYS_CONF_H
#include <sys/conf.h>
#endif /* HAVE_SYS_CONF_H */
#ifdef HAVE_SYS_KSYM_H
#include <sys/ksym.h>
#endif /* HAVE_SYS_KSYM_H */
#include <syslog.h>
#include <time.h>
#include <sys/uio.h>
#include <sys/utsname.h>
#ifdef HAVE_RUSAGE
#include <sys/resource.h>
#endif /* HAVE_RUSAGE */

/* machine dependent includes */
#ifdef SUNOS_5
#include <limits.h>
#include <strings.h>
#endif /* SUNOS_5 */

/* machine dependent includes */
#ifdef HAVE_LINUX_VERSION_H
#include <linux/version.h>
#endif /* HAVE_LINUX_VERSION_H */

#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif /* HAVE_ASM_TYPES_H */

/* misc include group */
#include <stdarg.h>
#include <assert.h>

#ifdef HAVE_LCAPS
#include <sys/capability.h>
#include <sys/prctl.h>
#endif /* HAVE_LCAPS */

/* network include group */

#include <sys/socket.h>

#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif /* HAVE_SYS_SOCKIO_H */

#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif /* HAVE_NETINET_IN_H */
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>

#ifdef HAVE_NET_NETOPT_H
#include <net/netopt.h>
#endif /* HAVE_NET_NETOPT_H */

#include <net/if.h>

#ifdef HAVE_NET_IF_DL_H
#include <net/if_dl.h>
#endif /* HAVE_NET_IF_DL_H */

#ifdef HAVE_NET_IF_VAR_H
#include <net/if_var.h>
#endif /* HAVE_NET_IF_VAR_H */

#include <net/route.h>

#ifdef HAVE_NETLINK
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#else
#define RT_TABLE_MAIN		0
#endif /* HAVE_NETLINK */

#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif /* HAVE_NETDB_H */

#include <arpa/inet.h>
#include <arpa/telnet.h>

#ifdef HAVE_INET_ND_H
#include <inet/nd.h>
#endif /* HAVE_INET_ND_H */

#ifdef HAVE_NETINET_IN_VAR_H
#include <netinet/in_var.h>
#endif /* HAVE_NETINET_IN_VAR_H */

#ifdef HAVE_NETINET6_IN6_VAR_H
#include <netinet6/in6_var.h>
#endif /* HAVE_NETINET6_IN6_VAR_H */

#ifdef HAVE_NETINET_IN6_VAR_H
#include <netinet/in6_var.h>
#endif /* HAVE_NETINET_IN6_VAR_H */

#ifdef HAVE_NETINET6_IN_H
#include <netinet6/in.h>
#endif /* HAVE_NETINET6_IN_H */


#ifdef HAVE_NETINET6_IP6_H
#include <netinet6/ip6.h>
#endif /* HAVE_NETINET6_IP6_H */

#ifdef HAVE_NETINET_ICMP6_H
#include <netinet/icmp6.h>
#endif /* HAVE_NETINET_ICMP6_H */

#ifdef HAVE_NETINET6_ND6_H
#include <netinet6/nd6.h>
#endif /* HAVE_NETINET6_ND6_H */

/* Some systems do not define UINT32_MAX */
#ifndef UINT32_MAX
#define UINT32_MAX 0xFFFFFFFFU
#endif /* UINT32_MAX */

#ifdef HAVE_LIBUTIL_H
#include <libutil.h>
#endif /* HAVE_LIBUTIL_H */

#ifdef HAVE_GLIBC_BACKTRACE
#include <execinfo.h>
#endif /* HAVE_GLIBC_BACKTRACE */

#ifdef BSDI_NRL

#ifdef HAVE_NETINET6_IN6_H
#include <netinet6/in6.h>
#endif /* HAVE_NETINET6_IN6_H */

#ifdef NRL
#include <netinet6/in6.h>
#endif /* NRL */

#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL

/* BSD/OS 4.0 has lost belows defines, it should appear at
   /usr/include/sys/socket.h.  */
#define CMSG_ALIGN(n)           (((n) + 3) & ~3)
#define CMSG_SPACE(l)   (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
#define CMSG_LEN(l)     (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))

#endif /* BSDI_NRL */

/*  The definition of struct in_pktinfo is missing in old version of
    GLIBC 2.1 (Redhat 6.1).  */
#if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO)
struct in_pktinfo
{
  int ipi_ifindex;
  struct in_addr ipi_spec_dst;
  struct in_addr ipi_addr;
};
#endif

/* For old definition. */
#ifndef IN6_ARE_ADDR_EQUAL
#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
#endif /* IN6_ARE_ADDR_EQUAL */

/* Zebra message types. */
#define ZEBRA_INTERFACE_ADD                1
#define ZEBRA_INTERFACE_DELETE             2
#define ZEBRA_INTERFACE_ADDRESS_ADD        3
#define ZEBRA_INTERFACE_ADDRESS_DELETE     4
#define ZEBRA_INTERFACE_UP                 5
#define ZEBRA_INTERFACE_DOWN               6
#define ZEBRA_IPV4_ROUTE_ADD               7
#define ZEBRA_IPV4_ROUTE_DELETE            8
#define ZEBRA_IPV6_ROUTE_ADD               9
#define ZEBRA_IPV6_ROUTE_DELETE           10
#define ZEBRA_REDISTRIBUTE_ADD            11
#define ZEBRA_REDISTRIBUTE_DELETE         12
#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD    13
#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
#define ZEBRA_IPV4_NEXTHOP_LOOKUP         15
#define ZEBRA_IPV6_NEXTHOP_LOOKUP         16
#define ZEBRA_IPV4_IMPORT_LOOKUP          17
#define ZEBRA_IPV6_IMPORT_LOOKUP          18
#define ZEBRA_MESSAGE_MAX                 19

/* Zebra route's types. */
#define ZEBRA_ROUTE_SYSTEM               0
#define ZEBRA_ROUTE_KERNEL               1
#define ZEBRA_ROUTE_CONNECT              2
#define ZEBRA_ROUTE_STATIC               3
#define ZEBRA_ROUTE_RIP                  4
#define ZEBRA_ROUTE_RIPNG                5
#define ZEBRA_ROUTE_OSPF                 6
#define ZEBRA_ROUTE_OSPF6                7
#define ZEBRA_ROUTE_BGP                  8
#define ZEBRA_ROUTE_MAX                  9

/* Zebra's family types. */
#define ZEBRA_FAMILY_IPV4                1
#define ZEBRA_FAMILY_IPV6                2
#define ZEBRA_FAMILY_MAX                 3

/* Error codes of zebra. */
#define ZEBRA_ERR_RTEXIST               -1
#define ZEBRA_ERR_RTUNREACH             -2
#define ZEBRA_ERR_EPERM                 -3
#define ZEBRA_ERR_RTNOEXIST             -4

/* Zebra message flags */
#define ZEBRA_FLAG_INTERNAL           0x01
#define ZEBRA_FLAG_SELFROUTE          0x02
#define ZEBRA_FLAG_BLACKHOLE          0x04
#define ZEBRA_FLAG_IBGP               0x08
#define ZEBRA_FLAG_SELECTED           0x10
#define ZEBRA_FLAG_CHANGED            0x20
#define ZEBRA_FLAG_STATIC             0x40
#define ZEBRA_FLAG_REJECT             0x80

/* Zebra nexthop flags. */
#define ZEBRA_NEXTHOP_IFINDEX            1
#define ZEBRA_NEXTHOP_IFNAME             2
#define ZEBRA_NEXTHOP_IPV4               3
#define ZEBRA_NEXTHOP_IPV4_IFINDEX       4
#define ZEBRA_NEXTHOP_IPV4_IFNAME        5
#define ZEBRA_NEXTHOP_IPV6               6
#define ZEBRA_NEXTHOP_IPV6_IFINDEX       7
#define ZEBRA_NEXTHOP_IPV6_IFNAME        8
#define ZEBRA_NEXTHOP_BLACKHOLE          9

#ifndef INADDR_LOOPBACK
#define	INADDR_LOOPBACK	0x7f000001	/* Internet address 127.0.0.1.  */
#endif

/* Address family numbers from RFC1700. */
#define AFI_IP                    1
#define AFI_IP6                   2
#define AFI_MAX                   3

/* Subsequent Address Family Identifier. */
#define SAFI_UNICAST              1
#define SAFI_MULTICAST            2
#define SAFI_UNICAST_MULTICAST    3
#define SAFI_MPLS_VPN             4
#define SAFI_MAX                  5

/* Filter direction.  */
#define FILTER_IN                 0
#define FILTER_OUT                1
#define FILTER_MAX                2

/* Default Administrative Distance of each protocol. */
#define ZEBRA_KERNEL_DISTANCE_DEFAULT      0
#define ZEBRA_CONNECT_DISTANCE_DEFAULT     0
#define ZEBRA_STATIC_DISTANCE_DEFAULT      1
#define ZEBRA_RIP_DISTANCE_DEFAULT       120
#define ZEBRA_RIPNG_DISTANCE_DEFAULT     120
#define ZEBRA_OSPF_DISTANCE_DEFAULT      110
#define ZEBRA_OSPF6_DISTANCE_DEFAULT     110
#define ZEBRA_IBGP_DISTANCE_DEFAULT      200
#define ZEBRA_EBGP_DISTANCE_DEFAULT       20

/* Flag manipulation macros. */
#define CHECK_FLAG(V,F)      ((V) & (F))
#define SET_FLAG(V,F)        (V) = (V) | (F)
#define UNSET_FLAG(V,F)      (V) = (V) & ~(F)

/* AFI and SAFI type. */
typedef u_int16_t afi_t;
typedef u_char safi_t;

/* Zebra types. */
typedef u_int16_t zebra_size_t;
typedef u_int8_t zebra_command_t;

/* FIFO -- first in first out structure and macros.  */
struct fifo
{
  struct fifo *next;
  struct fifo *prev;
};

#define FIFO_INIT(F)                                  \
  do {                                                \
    struct fifo *Xfifo = (struct fifo *)(F);          \
    Xfifo->next = Xfifo->prev = Xfifo;                \
  } while (0)

#define FIFO_ADD(F,N)                                 \
  do {                                                \
    struct fifo *Xfifo = (struct fifo *)(F);          \
    struct fifo *Xnode = (struct fifo *)(N);          \
    Xnode->next = Xfifo;                              \
    Xnode->prev = Xfifo->prev;                        \
    Xfifo->prev = Xfifo->prev->next = Xnode;          \
  } while (0)

#define FIFO_DEL(N)                                   \
  do {                                                \
    struct fifo *Xnode = (struct fifo *)(N);          \
    Xnode->prev->next = Xnode->next;                  \
    Xnode->next->prev = Xnode->prev;                  \
  } while (0)

#define FIFO_HEAD(F)                                  \
  ((((struct fifo *)(F))->next == (struct fifo *)(F)) \
  ? NULL : (F)->next)

#define FIFO_EMPTY(F)                                 \
  (((struct fifo *)(F))->next == (struct fifo *)(F))

#define FIFO_TOP(F)                                   \
  (FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next)

#endif /* _ZEBRA_H */
Commit	Line	Data
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 */
718e3744	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>
	43	#include <ctype.h>
	44	#include <errno.h>
	45	#include <fcntl.h>
	46	#include <signal.h>
	47	#include <string.h>
edd7c245	48	#include <pwd.h>
edd7c245	49	#include <grp.h>
718e3744	50	#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 */
	78
	79	/* machine dependent includes */
	80	#ifdef SUNOS_5
	81	#include <limits.h>
	82	#include <strings.h>
	83	#endif /* SUNOS_5 */
	84
	85	/* machine dependent includes */
	86	#ifdef HAVE_LINUX_VERSION_H
	87	#include <linux/version.h>
	88	#endif /* HAVE_LINUX_VERSION_H */
	89
ba965c6c	90	#ifdef HAVE_ASM_TYPES_H
	91	#include <asm/types.h>
	92	#endif /* HAVE_ASM_TYPES_H */
	93
718e3744	94	/* misc include group */
	95	#include <stdarg.h>
	96	#include <assert.h>
	97
ba3a0bc5	98	#ifdef HAVE_LCAPS
	99	#include <sys/capability.h>
	100	#include <sys/prctl.h>
	101	#endif /* HAVE_LCAPS */
	102
718e3744	103	/* network include group */
	104
	105	#include <sys/socket.h>
	106
	107	#ifdef HAVE_SYS_SOCKIO_H
	108	#include <sys/sockio.h>
	109	#endif /* HAVE_SYS_SOCKIO_H */
	110
	111	#ifdef HAVE_NETINET_IN_H
	112	#include <netinet/in.h>
	113	#endif /* HAVE_NETINET_IN_H */
	114	#include <netinet/in_systm.h>
	115	#include <netinet/ip.h>
	116	#include <netinet/tcp.h>
	117
	118	#ifdef HAVE_NET_NETOPT_H
	119	#include <net/netopt.h>
	120	#endif /* HAVE_NET_NETOPT_H */
	121
	122	#include <net/if.h>
	123
	124	#ifdef HAVE_NET_IF_DL_H
	125	#include <net/if_dl.h>
	126	#endif /* HAVE_NET_IF_DL_H */
	127
	128	#ifdef HAVE_NET_IF_VAR_H
	129	#include <net/if_var.h>
	130	#endif /* HAVE_NET_IF_VAR_H */
	131
	132	#include <net/route.h>
	133
	134	#ifdef HAVE_NETLINK
	135	#include <linux/netlink.h>
	136	#include <linux/rtnetlink.h>
	137	#else
	138	#define RT_TABLE_MAIN 0
	139	#endif /* HAVE_NETLINK */
	140
	141	#ifdef HAVE_NETDB_H
	142	#include <netdb.h>
	143	#endif /* HAVE_NETDB_H */
	144
	145	#include <arpa/inet.h>
	146	#include <arpa/telnet.h>
	147
	148	#ifdef HAVE_INET_ND_H
	149	#include <inet/nd.h>
	150	#endif /* HAVE_INET_ND_H */
	151
	152	#ifdef HAVE_NETINET_IN_VAR_H
	153	#include <netinet/in_var.h>
	154	#endif /* HAVE_NETINET_IN_VAR_H */
	155
726f9b2b	156	#ifdef HAVE_NETINET6_IN6_VAR_H
	157	#include <netinet6/in6_var.h>
	158	#endif /* HAVE_NETINET6_IN6_VAR_H */
	159
718e3744	160	#ifdef HAVE_NETINET_IN6_VAR_H
	161	#include <netinet/in6_var.h>
	162	#endif /* HAVE_NETINET_IN6_VAR_H */
	163
	164	#ifdef HAVE_NETINET6_IN_H
	165	#include <netinet6/in.h>
	166	#endif /* HAVE_NETINET6_IN_H */
	167
	168
	169	#ifdef HAVE_NETINET6_IP6_H
	170	#include <netinet6/ip6.h>
	171	#endif /* HAVE_NETINET6_IP6_H */
	172
	173	#ifdef HAVE_NETINET_ICMP6_H
	174	#include <netinet/icmp6.h>
	175	#endif /* HAVE_NETINET_ICMP6_H */
	176
	177	#ifdef HAVE_NETINET6_ND6_H
	178	#include <netinet6/nd6.h>
	179	#endif /* HAVE_NETINET6_ND6_H */
	180
3b424979	181	/* Some systems do not define UINT32_MAX */
	182	#ifndef UINT32_MAX
	183	#define UINT32_MAX 0xFFFFFFFFU
	184	#endif /* UINT32_MAX */
	185
718e3744	186	#ifdef HAVE_LIBUTIL_H
	187	#include <libutil.h>
	188	#endif /* HAVE_LIBUTIL_H */
	189
fb2d1502	190	#ifdef HAVE_GLIBC_BACKTRACE
	191	#include <execinfo.h>
	192	#endif /* HAVE_GLIBC_BACKTRACE */
	193
718e3744	194	#ifdef BSDI_NRL
	195
	196	#ifdef HAVE_NETINET6_IN6_H
	197	#include <netinet6/in6.h>
	198	#endif /* HAVE_NETINET6_IN6_H */
	199
	200	#ifdef NRL
	201	#include <netinet6/in6.h>
	202	#endif /* NRL */
	203
	204	#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
	205
	206	/* BSD/OS 4.0 has lost belows defines, it should appear at
	207	/usr/include/sys/socket.h. */
	208	#define CMSG_ALIGN(n) (((n) + 3) & ~3)
	209	#define CMSG_SPACE(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
	210	#define CMSG_LEN(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
	211
	212	#endif /* BSDI_NRL */
	213
	214	/* The definition of struct in_pktinfo is missing in old version of
	215	GLIBC 2.1 (Redhat 6.1). */
	216	#if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO)
	217	struct in_pktinfo
	218	{
	219	int ipi_ifindex;
	220	struct in_addr ipi_spec_dst;
	221	struct in_addr ipi_addr;
	222	};
	223	#endif
	224
	225	/* For old definition. */
	226	#ifndef IN6_ARE_ADDR_EQUAL
	227	#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
	228	#endif /* IN6_ARE_ADDR_EQUAL */
	229
	230	/* Zebra message types. */
	231	#define ZEBRA_INTERFACE_ADD 1
	232	#define ZEBRA_INTERFACE_DELETE 2
	233	#define ZEBRA_INTERFACE_ADDRESS_ADD 3
	234	#define ZEBRA_INTERFACE_ADDRESS_DELETE 4
	235	#define ZEBRA_INTERFACE_UP 5
	236	#define ZEBRA_INTERFACE_DOWN 6
	237	#define ZEBRA_IPV4_ROUTE_ADD 7
	238	#define ZEBRA_IPV4_ROUTE_DELETE 8
	239	#define ZEBRA_IPV6_ROUTE_ADD 9
	240	#define ZEBRA_IPV6_ROUTE_DELETE 10
	241	#define ZEBRA_REDISTRIBUTE_ADD 11
	242	#define ZEBRA_REDISTRIBUTE_DELETE 12
	243	#define ZEBRA_REDISTRIBUTE_DEFAULT_ADD 13
	244	#define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
	245	#define ZEBRA_IPV4_NEXTHOP_LOOKUP 15
	246	#define ZEBRA_IPV6_NEXTHOP_LOOKUP 16
	247	#define ZEBRA_IPV4_IMPORT_LOOKUP 17
	248	#define ZEBRA_IPV6_IMPORT_LOOKUP 18
	249	#define ZEBRA_MESSAGE_MAX 19
	250
	251	/* Zebra route's types. */
	252	#define ZEBRA_ROUTE_SYSTEM 0
	253	#define ZEBRA_ROUTE_KERNEL 1
	254	#define ZEBRA_ROUTE_CONNECT 2
	255	#define ZEBRA_ROUTE_STATIC 3
	256	#define ZEBRA_ROUTE_RIP 4
	257	#define ZEBRA_ROUTE_RIPNG 5
258	#define ZEBRA_ROUTE_OSPF 6
259	#define ZEBRA_ROUTE_OSPF6 7
260	#define ZEBRA_ROUTE_BGP 8
261	#define ZEBRA_ROUTE_MAX 9
262
263	/* Zebra's family types. */
264	#define ZEBRA_FAMILY_IPV4 1
265	#define ZEBRA_FAMILY_IPV6 2
266	#define ZEBRA_FAMILY_MAX 3
267
268	/* Error codes of zebra. */
269	#define ZEBRA_ERR_RTEXIST -1
270	#define ZEBRA_ERR_RTUNREACH -2
271	#define ZEBRA_ERR_EPERM -3
272	#define ZEBRA_ERR_RTNOEXIST -4
273
274	/* Zebra message flags */
275	#define ZEBRA_FLAG_INTERNAL 0x01
276	#define ZEBRA_FLAG_SELFROUTE 0x02
277	#define ZEBRA_FLAG_BLACKHOLE 0x04
278	#define ZEBRA_FLAG_IBGP 0x08
279	#define ZEBRA_FLAG_SELECTED 0x10
280	#define ZEBRA_FLAG_CHANGED 0x20
281	#define ZEBRA_FLAG_STATIC 0x40
81dfcaa2	282	#define ZEBRA_FLAG_REJECT 0x80
718e3744	283
	284	/* Zebra nexthop flags. */
	285	#define ZEBRA_NEXTHOP_IFINDEX 1
	286	#define ZEBRA_NEXTHOP_IFNAME 2
	287	#define ZEBRA_NEXTHOP_IPV4 3
	288	#define ZEBRA_NEXTHOP_IPV4_IFINDEX 4
	289	#define ZEBRA_NEXTHOP_IPV4_IFNAME 5
	290	#define ZEBRA_NEXTHOP_IPV6 6
	291	#define ZEBRA_NEXTHOP_IPV6_IFINDEX 7
	292	#define ZEBRA_NEXTHOP_IPV6_IFNAME 8
595db7f1	293	#define ZEBRA_NEXTHOP_BLACKHOLE 9
718e3744	294
	295	#ifndef INADDR_LOOPBACK
	296	#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
	297	#endif
	298
	299	/* Address family numbers from RFC1700. */
	300	#define AFI_IP 1
	301	#define AFI_IP6 2
	302	#define AFI_MAX 3
	303
	304	/* Subsequent Address Family Identifier. */
	305	#define SAFI_UNICAST 1
	306	#define SAFI_MULTICAST 2
	307	#define SAFI_UNICAST_MULTICAST 3
	308	#define SAFI_MPLS_VPN 4
	309	#define SAFI_MAX 5
	310
	311	/* Filter direction. */
	312	#define FILTER_IN 0
	313	#define FILTER_OUT 1
	314	#define FILTER_MAX 2
	315
	316	/* Default Administrative Distance of each protocol. */
	317	#define ZEBRA_KERNEL_DISTANCE_DEFAULT 0
	318	#define ZEBRA_CONNECT_DISTANCE_DEFAULT 0
	319	#define ZEBRA_STATIC_DISTANCE_DEFAULT 1
	320	#define ZEBRA_RIP_DISTANCE_DEFAULT 120
	321	#define ZEBRA_RIPNG_DISTANCE_DEFAULT 120
	322	#define ZEBRA_OSPF_DISTANCE_DEFAULT 110
	323	#define ZEBRA_OSPF6_DISTANCE_DEFAULT 110
	324	#define ZEBRA_IBGP_DISTANCE_DEFAULT 200
	325	#define ZEBRA_EBGP_DISTANCE_DEFAULT 20
	326
	327	/* Flag manipulation macros. */
	328	#define CHECK_FLAG(V,F) ((V) & (F))
	329	#define SET_FLAG(V,F) (V) = (V) \| (F)
	330	#define UNSET_FLAG(V,F) (V) = (V) & ~(F)
	331
	332	/* AFI and SAFI type. */
	333	typedef u_int16_t afi_t;
	334	typedef u_char safi_t;
	335
	336	/* Zebra types. */
	337	typedef u_int16_t zebra_size_t;
	338	typedef u_int8_t zebra_command_t;
	339
f0438521	340	/* FIFO -- first in first out structure and macros. */
	341	struct fifo
	342	{
	343	struct fifo *next;
	344	struct fifo *prev;
	345	};
	346
	347	#define FIFO_INIT(F) \
	348	do { \
	349	struct fifo Xfifo = (struct fifo )(F); \
	350	Xfifo->next = Xfifo->prev = Xfifo; \
	351	} while (0)
	352
	353	#define FIFO_ADD(F,N) \
	354	do { \
	355	struct fifo Xfifo = (struct fifo )(F); \
	356	struct fifo Xnode = (struct fifo )(N); \
	357	Xnode->next = Xfifo; \
	358	Xnode->prev = Xfifo->prev; \
	359	Xfifo->prev = Xfifo->prev->next = Xnode; \
	360	} while (0)
	361
	362	#define FIFO_DEL(N) \
	363	do { \
	364	struct fifo Xnode = (struct fifo )(N); \
	365	Xnode->prev->next = Xnode->next; \
	366	Xnode->next->prev = Xnode->prev; \
	367	} while (0)
	368
	369	#define FIFO_HEAD(F) \
	370	((((struct fifo )(F))->next == (struct fifo )(F)) \
	371	? NULL : (F)->next)
	372
	373	#define FIFO_EMPTY(F) \
	374	(((struct fifo )(F))->next == (struct fifo )(F))
	375
	376	#define FIFO_TOP(F) \
	377	(FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next)
	378
718e3744	379	#endif /* _ZEBRA_H */