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/*
* BIRD -- OSPF
*
* (c) 2000--2004 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*
*/
#ifndef _BIRD_OSPF_RT_H_
#define _BIRD_OSPF_RT_H_
#define ORT_UNDEF -1
#define ORT_ROUTER 1
#define ORT_NET 0
typedef struct orta
{
int type;
u32 options;
/*
* For ORT_ROUTER routes, options field are router-LSA style
* options, with V,E,B bits. In OSPFv2, ASBRs from another areas
* (that we know from rt-summary-lsa) have just ORTA_ASBR in
* options, their real options are unknown.
*/
#define ORTA_ASBR OPT_RT_E
#define ORTA_ABR OPT_RT_B
/*
* For ORT_NET routes, the field is almost unused with one
* exception: ORTA_PREF for external routes means that the route is
* preferred in AS external route selection according to 16.4.1. -
* it is intra-area path using non-backbone area. In other words,
* the forwarding address (or ASBR if forwarding address is zero) is
* intra-area (type == RTS_OSPF) and its area is not a backbone.
*/
#define ORTA_PREF 0x80000000
u32 metric1;
u32 metric2;
u32 tag;
u32 rid; /* Router ID of real advertising router */
struct ospf_area *oa;
struct ospf_iface *ifa; /* Outgoing interface */
ip_addr nh; /* Next hop */
}
orta;
typedef struct ort
{
struct fib_node fn;
orta n;
orta o;
}
ort;
void ospf_rt_spf(struct proto_ospf *po);
void ospf_rt_initort(struct fib_node *fn);
#endif /* _BIRD_OSPF_RT_H_ */
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