zebra.h
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上传日期:2009-11-15
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- /* 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 short 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>
- #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>
- /* 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_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 */
- #ifdef HAVE_LIBUTIL_H
- #include <libutil.h>
- #endif /* HAVE_LIBUTIL_H */
- #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
- /* OpenBSD release month check. */
- #ifdef __OpenBSD__
- #if OpenBSD < 200311
- #define OpenBSD_IP_LEN
- #endif /* OpenBSD */
- #endif /* __OpenBSD__ */
- /* 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
- /* 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 */