| /* 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 <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 */ |
| |
| #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 */ |