/* 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__ #endif /* SUNOS_5 */ #ifndef HAVE_SOCKLEN_T typedef int socklen_t; #endif /* HAVE_SOCKLEN_T */ #include #include #include #include #include #include #include #include #ifdef HAVE_STROPTS_H #include #endif /* HAVE_STROPTS_H */ #include #ifdef HAVE_SYS_SELECT_H #include #endif /* HAVE_SYS_SELECT_H */ #include #include #include #include #ifdef HAVE_SYS_SYSCTL_H #include #endif /* HAVE_SYS_SYSCTL_H */ #include #ifdef HAVE_SYS_CONF_H #include #endif /* HAVE_SYS_CONF_H */ #ifdef HAVE_SYS_KSYM_H #include #endif /* HAVE_SYS_KSYM_H */ #include #include #include #include #ifdef HAVE_RUSAGE #include #endif /* HAVE_RUSAGE */ /* machine dependent includes */ #ifdef SUNOS_5 #include #include #endif /* SUNOS_5 */ /* machine dependent includes */ #ifdef HAVE_LINUX_VERSION_H #include #endif /* HAVE_LINUX_VERSION_H */ #ifdef HAVE_ASM_TYPES_H #include #endif /* HAVE_ASM_TYPES_H */ /* misc include group */ #include #include /* network include group */ #include #ifdef HAVE_SYS_SOCKIO_H #include #endif /* HAVE_SYS_SOCKIO_H */ #ifdef HAVE_NETINET_IN_H #include #endif /* HAVE_NETINET_IN_H */ #include #include #include #ifdef HAVE_NET_NETOPT_H #include #endif /* HAVE_NET_NETOPT_H */ #include #ifdef HAVE_NET_IF_DL_H #include #endif /* HAVE_NET_IF_DL_H */ #ifdef HAVE_NET_IF_VAR_H #include #endif /* HAVE_NET_IF_VAR_H */ #include #ifdef HAVE_NETLINK #include #include #else #define RT_TABLE_MAIN 0 #endif /* HAVE_NETLINK */ #ifdef HAVE_NETDB_H #include #endif /* HAVE_NETDB_H */ #include #include #ifdef HAVE_INET_ND_H #include #endif /* HAVE_INET_ND_H */ #ifdef HAVE_NETINET_IN_VAR_H #include #endif /* HAVE_NETINET_IN_VAR_H */ #ifdef HAVE_NETINET_IN6_VAR_H #include #endif /* HAVE_NETINET_IN6_VAR_H */ #ifdef HAVE_NETINET6_IN_H #include #endif /* HAVE_NETINET6_IN_H */ #ifdef HAVE_NETINET6_IP6_H #include #endif /* HAVE_NETINET6_IP6_H */ #ifdef HAVE_NETINET_ICMP6_H #include #endif /* HAVE_NETINET_ICMP6_H */ #ifdef HAVE_NETINET6_ND6_H #include #endif /* HAVE_NETINET6_ND6_H */ #ifdef HAVE_LIBUTIL_H #include #endif /* HAVE_LIBUTIL_H */ #ifdef BSDI_NRL #ifdef HAVE_NETINET6_IN6_H #include #endif /* HAVE_NETINET6_IN6_H */ #ifdef NRL #include #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 /* 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 */