Annotation of embedaddon/quagga/zebra/interface.h, revision 1.1
1.1 ! misho 1: /* Interface function header.
! 2: * Copyright (C) 1999 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:
! 22: #ifndef _ZEBRA_INTERFACE_H
! 23: #define _ZEBRA_INTERFACE_H
! 24:
! 25: #include "redistribute.h"
! 26:
! 27: #ifdef HAVE_IRDP
! 28: #include "zebra/irdp.h"
! 29: #endif
! 30:
! 31: /* For interface multicast configuration. */
! 32: #define IF_ZEBRA_MULTICAST_UNSPEC 0
! 33: #define IF_ZEBRA_MULTICAST_ON 1
! 34: #define IF_ZEBRA_MULTICAST_OFF 2
! 35:
! 36: /* For interface shutdown configuration. */
! 37: #define IF_ZEBRA_SHUTDOWN_UNSPEC 0
! 38: #define IF_ZEBRA_SHUTDOWN_ON 1
! 39: #define IF_ZEBRA_SHUTDOWN_OFF 2
! 40:
! 41: /* Router advertisement feature. */
! 42: #if (defined(LINUX_IPV6) && (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1)) || defined(KAME)
! 43: #ifdef HAVE_RTADV
! 44: #define RTADV
! 45: #endif
! 46: #endif
! 47:
! 48: #ifdef RTADV
! 49: /* Router advertisement parameter. From RFC2461, RFC3775 and RFC4191. */
! 50: struct rtadvconf
! 51: {
! 52: /* A flag indicating whether or not the router sends periodic Router
! 53: Advertisements and responds to Router Solicitations.
! 54: Default: FALSE */
! 55: int AdvSendAdvertisements;
! 56:
! 57: /* The maximum time allowed between sending unsolicited multicast
! 58: Router Advertisements from the interface, in milliseconds.
! 59: MUST be no less than 70 ms (RFC3775, section 7.4) and no greater
! 60: than 1800000 ms (See RFC2461).
! 61:
! 62: Default: 600000 milliseconds */
! 63: int MaxRtrAdvInterval;
! 64: #define RTADV_MAX_RTR_ADV_INTERVAL 600000
! 65:
! 66: /* The minimum time allowed between sending unsolicited multicast
! 67: Router Advertisements from the interface, in milliseconds.
! 68: MUST be no less than 30 ms (See RFC3775, section 7.4).
! 69: MUST be no greater than .75 * MaxRtrAdvInterval.
! 70:
! 71: Default: 0.33 * MaxRtrAdvInterval */
! 72: int MinRtrAdvInterval;
! 73: #define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL)
! 74:
! 75: /* Unsolicited Router Advertisements' interval timer. */
! 76: int AdvIntervalTimer;
! 77:
! 78: /* The TRUE/FALSE value to be placed in the "Managed address
! 79: configuration" flag field in the Router Advertisement. See
! 80: [ADDRCONF].
! 81:
! 82: Default: FALSE */
! 83: int AdvManagedFlag;
! 84:
! 85:
! 86: /* The TRUE/FALSE value to be placed in the "Other stateful
! 87: configuration" flag field in the Router Advertisement. See
! 88: [ADDRCONF].
! 89:
! 90: Default: FALSE */
! 91: int AdvOtherConfigFlag;
! 92:
! 93: /* The value to be placed in MTU options sent by the router. A
! 94: value of zero indicates that no MTU options are sent.
! 95:
! 96: Default: 0 */
! 97: int AdvLinkMTU;
! 98:
! 99:
! 100: /* The value to be placed in the Reachable Time field in the Router
! 101: Advertisement messages sent by the router. The value zero means
! 102: unspecified (by this router). MUST be no greater than 3,600,000
! 103: milliseconds (1 hour).
! 104:
! 105: Default: 0 */
! 106: u_int32_t AdvReachableTime;
! 107: #define RTADV_MAX_REACHABLE_TIME 3600000
! 108:
! 109:
! 110: /* The value to be placed in the Retrans Timer field in the Router
! 111: Advertisement messages sent by the router. The value zero means
! 112: unspecified (by this router).
! 113:
! 114: Default: 0 */
! 115: int AdvRetransTimer;
! 116:
! 117: /* The default value to be placed in the Cur Hop Limit field in the
! 118: Router Advertisement messages sent by the router. The value
! 119: should be set to that current diameter of the Internet. The
! 120: value zero means unspecified (by this router).
! 121:
! 122: Default: The value specified in the "Assigned Numbers" RFC
! 123: [ASSIGNED] that was in effect at the time of implementation. */
! 124: int AdvCurHopLimit;
! 125:
! 126: /* The value to be placed in the Router Lifetime field of Router
! 127: Advertisements sent from the interface, in seconds. MUST be
! 128: either zero or between MaxRtrAdvInterval and 9000 seconds. A
! 129: value of zero indicates that the router is not to be used as a
! 130: default router.
! 131:
! 132: Default: 3 * MaxRtrAdvInterval */
! 133: int AdvDefaultLifetime;
! 134: #define RTADV_ADV_DEFAULT_LIFETIME (3 * RTADV_MAX_RTR_ADV_INTERVAL)
! 135:
! 136:
! 137: /* A list of prefixes to be placed in Prefix Information options in
! 138: Router Advertisement messages sent from the interface.
! 139:
! 140: Default: all prefixes that the router advertises via routing
! 141: protocols as being on-link for the interface from which the
! 142: advertisement is sent. The link-local prefix SHOULD NOT be
! 143: included in the list of advertised prefixes. */
! 144: struct list *AdvPrefixList;
! 145:
! 146: /* The TRUE/FALSE value to be placed in the "Home agent"
! 147: flag field in the Router Advertisement. See [RFC3775 7.1].
! 148:
! 149: Default: FALSE */
! 150: int AdvHomeAgentFlag;
! 151: #ifndef ND_RA_FLAG_HOME_AGENT
! 152: #define ND_RA_FLAG_HOME_AGENT 0x20
! 153: #endif
! 154:
! 155: /* The value to be placed in Home Agent Information option if Home
! 156: Flag is set.
! 157: Default: 0 */
! 158: int HomeAgentPreference;
! 159:
! 160: /* The value to be placed in Home Agent Information option if Home
! 161: Flag is set. Lifetime (seconds) MUST not be greater than 18.2
! 162: hours.
! 163: The value 0 has special meaning: use of AdvDefaultLifetime value.
! 164:
! 165: Default: 0 */
! 166: int HomeAgentLifetime;
! 167: #define RTADV_MAX_HALIFETIME 65520 /* 18.2 hours */
! 168:
! 169: /* The TRUE/FALSE value to insert or not an Advertisement Interval
! 170: option. See [RFC 3775 7.3]
! 171:
! 172: Default: FALSE */
! 173: int AdvIntervalOption;
! 174:
! 175: /* The value to be placed in the Default Router Preference field of
! 176: a router advertisement. See [RFC 4191 2.1 & 2.2]
! 177:
! 178: Default: 0 (medium) */
! 179: int DefaultPreference;
! 180: #define RTADV_PREF_MEDIUM 0x0 /* Per RFC4191. */
! 181: };
! 182:
! 183: #endif /* RTADV */
! 184:
! 185: /* `zebra' daemon local interface structure. */
! 186: struct zebra_if
! 187: {
! 188: /* Shutdown configuration. */
! 189: u_char shutdown;
! 190:
! 191: /* Multicast configuration. */
! 192: u_char multicast;
! 193:
! 194: /* Router advertise configuration. */
! 195: u_char rtadv_enable;
! 196:
! 197: /* Installed addresses chains tree. */
! 198: struct route_table *ipv4_subnets;
! 199:
! 200: #ifdef RTADV
! 201: struct rtadvconf rtadv;
! 202: #endif /* RTADV */
! 203:
! 204: #ifdef HAVE_IRDP
! 205: struct irdp_interface irdp;
! 206: #endif
! 207:
! 208: #ifdef SUNOS_5
! 209: /* the real IFF_UP state of the primary interface.
! 210: * need this to differentiate between all interfaces being
! 211: * down (but primary still plumbed) and primary having gone
! 212: * ~IFF_UP, and all addresses gone.
! 213: */
! 214: u_char primary_state;
! 215: #endif /* SUNOS_5 */
! 216: };
! 217:
! 218: extern void if_delete_update (struct interface *ifp);
! 219: extern void if_add_update (struct interface *ifp);
! 220: extern void if_up (struct interface *);
! 221: extern void if_down (struct interface *);
! 222: extern void if_refresh (struct interface *);
! 223: extern void if_flags_update (struct interface *, uint64_t);
! 224: extern int if_subnet_add (struct interface *, struct connected *);
! 225: extern int if_subnet_delete (struct interface *, struct connected *);
! 226:
! 227: #ifdef HAVE_PROC_NET_DEV
! 228: extern void ifstat_update_proc (void);
! 229: #endif /* HAVE_PROC_NET_DEV */
! 230: #ifdef HAVE_NET_RT_IFLIST
! 231: extern void ifstat_update_sysctl (void);
! 232:
! 233: #endif /* HAVE_NET_RT_IFLIST */
! 234: #ifdef HAVE_PROC_NET_DEV
! 235: extern int interface_list_proc (void);
! 236: #endif /* HAVE_PROC_NET_DEV */
! 237: #ifdef HAVE_PROC_NET_IF_INET6
! 238: extern int ifaddr_proc_ipv6 (void);
! 239: #endif /* HAVE_PROC_NET_IF_INET6 */
! 240:
! 241: #ifdef BSDI
! 242: extern int if_kvm_get_mtu (struct interface *);
! 243: #endif /* BSDI */
! 244:
! 245: #endif /* _ZEBRA_INTERFACE_H */
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