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Diffstat (limited to 'zebra/interface.h')
| -rw-r--r-- | zebra/interface.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/zebra/interface.h b/zebra/interface.h new file mode 100644 index 000000000..dbfa82212 --- /dev/null +++ b/zebra/interface.h @@ -0,0 +1,180 @@ +/* Interface function header. + * Copyright (C) 1999 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. + */ + +/* For interface multicast configuration. */ +#define IF_ZEBRA_MULTICAST_UNSPEC 0 +#define IF_ZEBRA_MULTICAST_ON 1 +#define IF_ZEBRA_MULTICAST_OFF 2 + +/* For interface shutdown configuration. */ +#define IF_ZEBRA_SHUTDOWN_UNSPEC 0 +#define IF_ZEBRA_SHUTDOWN_ON 1 +#define IF_ZEBRA_SHUTDOWN_OFF 2 + +/* Router advertisement feature. */ +#if (defined(LINUX_IPV6) && (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1)) || defined(KAME) +#define RTADV +#endif + +#ifdef RTADV +/* Router advertisement parameter. From RFC2461. */ +struct rtadvconf +{ + /* A flag indicating whether or not the router sends periodic Router + Advertisements and responds to Router Solicitations. + Default: FALSE */ + int AdvSendAdvertisements; + + /* The maximum time allowed between sending unsolicited multicast + Router Advertisements from the interface, in seconds. MUST be no + less than 4 seconds and no greater than 1800 seconds. + + Default: 600 seconds */ + int MaxRtrAdvInterval; +#define RTADV_MAX_RTR_ADV_INTERVAL 600 + + /* The minimum time allowed between sending unsolicited multicast + Router Advertisements from the interface, in seconds. MUST be no + less than 3 seconds and no greater than .75 * MaxRtrAdvInterval. + + Default: 0.33 * MaxRtrAdvInterval */ + int MinRtrAdvInterval; +#define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL) + + /* Unsolicited Router Advertisements' interval timer. */ + int AdvIntervalTimer; + + /* The TRUE/FALSE value to be placed in the "Managed address + configuration" flag field in the Router Advertisement. See + [ADDRCONF]. + + Default: FALSE */ + int AdvManagedFlag; + + + /* The TRUE/FALSE value to be placed in the "Other stateful + configuration" flag field in the Router Advertisement. See + [ADDRCONF]. + + Default: FALSE */ + int AdvOtherConfigFlag; + + /* The value to be placed in MTU options sent by the router. A + value of zero indicates that no MTU options are sent. + + Default: 0 */ + int AdvLinkMTU; + + + /* The value to be placed in the Reachable Time field in the Router + Advertisement messages sent by the router. The value zero means + unspecified (by this router). MUST be no greater than 3,600,000 + milliseconds (1 hour). + + Default: 0 */ + u_int32_t AdvReachableTime; +#define RTADV_MAX_REACHABLE_TIME 3600000 + + + /* The value to be placed in the Retrans Timer field in the Router + Advertisement messages sent by the router. The value zero means + unspecified (by this router). + + Default: 0 */ + int AdvRetransTimer; + + /* The default value to be placed in the Cur Hop Limit field in the + Router Advertisement messages sent by the router. The value + should be set to that current diameter of the Internet. The + value zero means unspecified (by this router). + + Default: The value specified in the "Assigned Numbers" RFC + [ASSIGNED] that was in effect at the time of implementation. */ + int AdvCurHopLimit; + + /* The value to be placed in the Router Lifetime field of Router + Advertisements sent from the interface, in seconds. MUST be + either zero or between MaxRtrAdvInterval and 9000 seconds. A + value of zero indicates that the router is not to be used as a + default router. + + Default: 3 * MaxRtrAdvInterval */ + int AdvDefaultLifetime; +#define RTADV_ADV_DEFAULT_LIFETIME (3 * RTADV_MAX_RTR_ADV_INTERVAL) + + + /* A list of prefixes to be placed in Prefix Information options in + Router Advertisement messages sent from the interface. + + Default: all prefixes that the router advertises via routing + protocols as being on-link for the interface from which the + advertisement is sent. The link-local prefix SHOULD NOT be + included in the list of advertised prefixes. */ + list AdvPrefixList; +}; + +#endif /* RTADV */ + +/* `zebra' daemon local interface structure. */ +struct zebra_if +{ + /* Shutdown configuration. */ + u_char shutdown; + + /* Multicast configuration. */ + u_char multicast; + + /* Router advertise configuration. */ + u_char rtadv_enable; + + /* Interface's address. */ + list address; + +#ifdef RTADV + struct rtadvconf rtadv; +#endif /* RTADV */ +}; + +void if_delete_update (struct interface *ifp); +void if_add_update (struct interface *ifp); +void if_up (struct interface *); +void if_down (struct interface *); +void if_refresh (struct interface *); +void zebra_interface_up_update (struct interface *ifp); +void zebra_interface_down_update (struct interface *ifp); + +#ifdef HAVE_PROC_NET_DEV +int ifstat_update_proc (); +#endif /* HAVE_PROC_NET_DEV */ +#ifdef HAVE_NET_RT_IFLIST +void ifstat_update_sysctl (); + +#endif /* HAVE_NET_RT_IFLIST */ +#ifdef HAVE_PROC_NET_DEV +int interface_list_proc (); +#endif /* HAVE_PROC_NET_DEV */ +#ifdef HAVE_PROC_NET_IF_INET6 +int ifaddr_proc_ipv6 (); +#endif /* HAVE_PROC_NET_IF_INET6 */ + +#ifdef BSDI +int if_kvm_get_mtu (struct interface *); +#endif /* BSDI */ |