release/src/router/zebra/lib/zebra.h

   1 /* Zebra common header.
   2  *
   3  * This file is part of GNU Zebra.
   4  *
   5  * GNU Zebra is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2, or (at your option) any
   8  * later version.
   9  *
  10  * GNU Zebra is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  17  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18  * 02111-1307, USA.
  19  */
  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
  67 /* machine dependent includes */
  68 #ifdef SUNOS_5
  69 #include <limits.h>
  70 #include <strings.h>
  71 #endif /* SUNOS_5 */
  72
  73 /* machine dependent includes */
  74 #ifdef HAVE_LINUX_VERSION_H
  75 #include <linux/version.h>
  76 #endif /* HAVE_LINUX_VERSION_H */
  77
  78 #ifdef HAVE_ASM_TYPES_H
  79 #include <asm/types.h>
  80 #endif /* HAVE_ASM_TYPES_H */
  81
  82 /* misc include group */
  83 #include <stdarg.h>
  84 #include <assert.h>
  85
  86 /* network include group */
  87
  88 #include <sys/socket.h>
  89
  90 #ifdef HAVE_SYS_SOCKIO_H
  91 #include <sys/sockio.h>
  92 #endif /* HAVE_SYS_SOCKIO_H */
  93
  94 #ifdef HAVE_NETINET_IN_H
  95 #include <netinet/in.h>
  96 #endif /* HAVE_NETINET_IN_H */
  97 #include <netinet/in_systm.h>
  98 #include <netinet/ip.h>
  99 #include <netinet/tcp.h>
 100
 101 #ifdef HAVE_NET_NETOPT_H
 102 #include <net/netopt.h>
 103 #endif /* HAVE_NET_NETOPT_H */
 104
 105 #include <net/if.h>
 106
 107 #ifdef HAVE_NET_IF_DL_H
 108 #include <net/if_dl.h>
 109 #endif /* HAVE_NET_IF_DL_H */
 110
 111 #ifdef HAVE_NET_IF_VAR_H
 112 #include <net/if_var.h>
 113 #endif /* HAVE_NET_IF_VAR_H */
 114
 115 #include <net/route.h>
 116
 117 #ifdef HAVE_LINUX_RTNETLINK_H
 118 #include <linux/netlink.h>
 119 #include <linux/rtnetlink.h>
 120 #else
 121 #define RT_TABLE_MAIN           0
 122 #endif /* HAVE_LINUX_RTNETLINK_H */
 123
 124 #ifdef HAVE_NETDB_H
 125 #include <netdb.h>
 126 #endif /* HAVE_NETDB_H */
 127
 128 #include <arpa/inet.h>
 129 #include <arpa/telnet.h>
 130
 131 #ifdef HAVE_INET_ND_H
 132 #include <inet/nd.h>
 133 #endif /* HAVE_INET_ND_H */
 134
 135 #ifdef HAVE_NETINET_IN_VAR_H
 136 #include <netinet/in_var.h>
 137 #endif /* HAVE_NETINET_IN_VAR_H */
 138
 139 #ifdef HAVE_NETINET_IN6_VAR_H
 140 #include <netinet/in6_var.h>
 141 #endif /* HAVE_NETINET_IN6_VAR_H */
 142
 143 #ifdef HAVE_NETINET6_IN_H
 144 #include <netinet6/in.h>
 145 #endif /* HAVE_NETINET6_IN_H */
 146
 147
 148 #ifdef HAVE_NETINET6_IP6_H
 149 #include <netinet6/ip6.h>
 150 #endif /* HAVE_NETINET6_IP6_H */
 151
 152 #ifdef HAVE_NETINET_ICMP6_H
 153 #include <netinet/icmp6.h>
 154 #endif /* HAVE_NETINET_ICMP6_H */
 155
 156 #ifdef HAVE_LIBUTIL_H
 157 #include <libutil.h>
 158 #endif /* HAVE_LIBUTIL_H */
 159
 160 #ifdef BSDI_NRL
 161
 162 #ifdef HAVE_NETINET6_IN6_H
 163 #include <netinet6/in6.h>
 164 #endif /* HAVE_NETINET6_IN6_H */
 165
 166 #ifdef NRL
 167 #include <netinet6/in6.h>
 168 #endif /* NRL */
 169
 170 #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
 171
 172 /* XXX:
 173          Stupid BSD/OS 4.0 has lost belows defines,
 174          it should appear at /usr/include/sys/socket.h
 175 */
 176 #define CMSG_ALIGN(n)           (((n) + 3) & ~3)
 177 #define CMSG_SPACE(l)   (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
 178 #define CMSG_LEN(l)     (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
 179
 180 #endif /* BSDI_NRL */
 181
 182 /*
 183   The definition of struct in_pktinfo is missing in old version of GLIBC 2.1
 184   (Redhat 6.1)
 185 */
 186 #if defined (GNU_LINUX) && ! defined (HAVE_INPKTINFO)
 187 struct in_pktinfo
 188 {
 189   int ipi_ifindex;
 190   struct in_addr ipi_spec_dst;
 191   struct in_addr ipi_addr;
 192 };
 193 #endif
 194
 195
 196 /* For old definition. */
 197 #ifndef IN6_ARE_ADDR_EQUAL
 198 #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
 199 #endif /* IN6_ARE_ADDR_EQUAL */
 200
 201 /* Zebra message types. */
 202 #define ZEBRA_INTERFACE_ADD                1
 203 #define ZEBRA_INTERFACE_DELETE             2
 204 #define ZEBRA_INTERFACE_ADDRESS_ADD        3
 205 #define ZEBRA_INTERFACE_ADDRESS_DELETE     4
 206 #define ZEBRA_INTERFACE_UP                 5
 207 #define ZEBRA_INTERFACE_DOWN               6
 208 #define ZEBRA_IPV4_ROUTE_ADD               7
 209 #define ZEBRA_IPV4_ROUTE_DELETE            8
 210 #define ZEBRA_IPV6_ROUTE_ADD               9
 211 #define ZEBRA_IPV6_ROUTE_DELETE           10
 212 #define ZEBRA_REDISTRIBUTE_ADD            11
 213 #define ZEBRA_REDISTRIBUTE_DELETE         12
 214 #define ZEBRA_REDISTRIBUTE_DEFAULT_ADD    13
 215 #define ZEBRA_REDISTRIBUTE_DEFAULT_DELETE 14
 216 #define ZEBRA_IPV4_NEXTHOP_LOOKUP         15
 217 #define ZEBRA_IPV6_NEXTHOP_LOOKUP         16
 218 #define ZEBRA_IPV4_IMPORT_LOOKUP          17
 219 #define ZEBRA_IPV6_IMPORT_LOOKUP          18
 220 #define ZEBRA_MESSAGE_MAX                 19
 221
 222 /* Zebra route's types. */
 223 #define ZEBRA_ROUTE_SYSTEM               0
 224 #define ZEBRA_ROUTE_KERNEL               1
 225 #define ZEBRA_ROUTE_CONNECT              2
 226 #define ZEBRA_ROUTE_STATIC               3
 227 #define ZEBRA_ROUTE_RIP                  4
 228 #define ZEBRA_ROUTE_RIPNG                5
 229 #define ZEBRA_ROUTE_OSPF                 6
 230 #define ZEBRA_ROUTE_OSPF6                7
 231 #define ZEBRA_ROUTE_BGP                  8
 232 #define ZEBRA_ROUTE_MAX                  9
 233
 234 /* Zebra's family types. */
 235 #define ZEBRA_FAMILY_IPV4                1
 236 #define ZEBRA_FAMILY_IPV6                2
 237 #define ZEBRA_FAMILY_MAX                 3
 238
 239 /* Error codes of zebra. */
 240 #define ZEBRA_ERR_RTEXIST               -1
 241 #define ZEBRA_ERR_RTUNREACH             -2
 242 #define ZEBRA_ERR_EPERM                 -3
 243 #define ZEBRA_ERR_RTNOEXIST             -4
 244
 245 /* Zebra message flags */
 246 #define ZEBRA_FLAG_INTERNAL           0x01
 247 #define ZEBRA_FLAG_SELFROUTE          0x02
 248 #define ZEBRA_FLAG_BLACKHOLE          0x04
 249 #define ZEBRA_FLAG_IBGP               0x08
 250 #define ZEBRA_FLAG_SELECTED           0x10
 251 #define ZEBRA_FLAG_CHANGED            0x20
 252 #define ZEBRA_FLAG_STATIC             0x40
 253
 254 /* Zebra nexthop flags. */
 255 #define ZEBRA_NEXTHOP_IFINDEX            1
 256 #define ZEBRA_NEXTHOP_IFNAME             2
 257 #define ZEBRA_NEXTHOP_IPV4               3
 258 #define ZEBRA_NEXTHOP_IPV4_IFINDEX       4
 259 #define ZEBRA_NEXTHOP_IPV4_IFNAME        5
 260 #define ZEBRA_NEXTHOP_IPV6               6
 261 #define ZEBRA_NEXTHOP_IPV6_IFINDEX       7
 262 #define ZEBRA_NEXTHOP_IPV6_IFNAME        8
 263
 264 #ifndef INADDR_LOOPBACK
 265 #define INADDR_LOOPBACK 0x7f000001      /* Internet address 127.0.0.1.  */
 266 #endif
 267
 268 /* Address family numbers from RFC1700. */
 269 #define AFI_IP                    1
 270 #define AFI_IP6                   2
 271 #define AFI_MAX                   3
 272
 273 /* Subsequent Address Family Identifier. */
 274 #define SAFI_UNICAST              1
 275 #define SAFI_MULTICAST            2
 276 #define SAFI_UNICAST_MULTICAST    3
 277 #define SAFI_MPLS_VPN             4
 278 #define SAFI_MAX                  5
 279
 280 /* Filter direction.  */
 281 #define FILTER_IN                 0
 282 #define FILTER_OUT                1
 283 #define FILTER_MAX                2
 284
 285 /* Default Administrative Distance of each protocol. */
 286 #define ZEBRA_KERNEL_DISTANCE_DEFAULT      0
 287 #define ZEBRA_CONNECT_DISTANCE_DEFAULT     0
 288 #define ZEBRA_STATIC_DISTANCE_DEFAULT      1
 289 #define ZEBRA_RIP_DISTANCE_DEFAULT       120
 290 #define ZEBRA_RIPNG_DISTANCE_DEFAULT     120
 291 #define ZEBRA_OSPF_DISTANCE_DEFAULT      110
 292 #define ZEBRA_OSPF6_DISTANCE_DEFAULT     110
 293 #define ZEBRA_IBGP_DISTANCE_DEFAULT      200
 294 #define ZEBRA_EBGP_DISTANCE_DEFAULT       20
 295
 296 /* Flag manipulation macros. */
 297 #define CHECK_FLAG(V,F)      ((V) & (F))
 298 #define SET_FLAG(V,F)        (V) = (V) | (F)
 299 #define UNSET_FLAG(V,F)      (V) = (V) & ~(F)
 300
 301 /* AFI and SAFI type. */
 302 typedef u_int16_t afi_t;
 303 typedef u_char safi_t;
 304
 305 /* Zebra types. */
 306 typedef u_int16_t zebra_size_t;
 307 typedef u_int8_t zebra_command_t;
 308
 309 #endif /* _ZEBRA_H */