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/*
* BIRD -- OSPF
*
* (c) 1999 Ondrej Filip <feela@network.cz>
*
* 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; /* Area ID !!! This is wrong !!!
* Should respect interface */
};
struct ospf_iface {
struct iface i; /* 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_WAITING 0 /* Waiting for Wait timer */
#define OSPF_IS_PTP 1 /* PTP operational */
#define OSPF_IS_DROTHER 2 /* I'm on BCAST or NBMA and I'm not DR */
#define OSPF_IS_BACKUP 3 /* I'm BDR */
#define OSPF_IS_DR 4 /* 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_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_ */
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