/* * BIRD -- OSPF * * (c) 1999 Ondrej Filip * * Can be freely distributed and used under the terms of the GNU GPL. */ #ifndef _BIRD_OSPF_H_ #define _BIRD_OSPF_H_ #define OSPF_PROTO 89 #ifndef IPV6 #define AllSPFRouters ipa_from_u32(0xe0000005) /* 224.0.0.5 */ #define AllDRouters ipa_from_u32(0xe0000006) /* 224.0.0.6 */ #else #error Multicast address not defined #endif struct ospf_config { struct proto_config c; u32 area; /* FIXME: Area ID !!! This is wrong !!! * Should respect interface */ }; struct ospf_iface { node n; struct iface *iface; /* Nest's iface */ list sk_list; /* List of active sockets */ u32 area; /* OSPF Area */ u16 cost; /* Cost of iface */ int rxmtint; /* number of seconds between LSA retransmissions */ int iftransdelay; /* The estimated number of seconds it takes to transmit a Link State Update Packet over this interface. LSAs contained in the update */ u8 priority; /* A router priority for DR election */ u16 helloint; /* number of seconds between hello sending */ u32 deadint; /* after "deadint" missing hellos is router dead */ u16 autype; u8 aukey[8]; u8 options; ip_addr drip; /* Designated router */ u32 drid; ip_addr bdrip; /* Backup DR */ u32 bdrid; int type; /* OSPF view of type */ #define OSPF_IT_BROADCAST 0 #define OSPF_IT_NBMA 1 #define OSPF_IT_PTP 2 int state; /* Interface state machine */ #define OSPF_IS_DOWN 0 /* Should never happen */ #define OSPF_IS_WAITING 1 /* Waiting for Wait timer */ #define OSPF_IS_PTP 2 /* PTP operational */ #define OSPF_IS_DROTHER 3 /* I'm on BCAST or NBMA and I'm not DR */ #define OSPF_IS_BACKUP 4 /* I'm BDR */ #define OSPF_IS_DR 5 /* I'm DR */ timer *wait_timer; /* One shot Wait timer - used after DOWN->UP */ /* Default values for interface parameters */ #define COST_D 10 #define RXMTINT_D 5 #define IFTRANSDELAY_D 1 #define PRIORITY_D 1 #define HELLOINT_D 10 #define DEADINT_D 4 #define WAIT_D 40 /* Value of Wait timer - I didn't found it in RFC */ }; struct ospf_sock { node n; sock *sk; }; struct ospf_patt { struct iface_patt i; u16 cost; byte mode; }; struct proto_ospf { struct proto proto; list iface_list; /* Interfaces we really use */ }; #endif /* _BIRD_OSPF_H_ */