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A lot of changes:

Browse Source 
- metric is 3 byte long now
	- summary lsa originating
	- more OSPF areas possible
	- virtual links
	- better E1/E2 routes handling
	- some bug fixes..

I have to do:
	- md5 auth (last mandatory item from rfc2328)
	- !!!!DEBUG!!!!! (mainly virtual link system has probably a lot of bugs)
	- 2328 appendig E
This commit is contained in:
Ondrej Filip
2004-06-25 16:39:53 +00:00
parent 5ed68e46d7
commit 98ac61766d
23 changed files with 1116 additions and 452 deletions
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78
proto/ospf/ospf.h
View File

@@ -1,7 +1,7 @@
/*
* BIRD -- OSPF
*
* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
* (c) 1999--2004 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
@@ -50,7 +50,7 @@
#define LSREFRESHTIME 1800 /* 30 minutes */
#define MINLSINTERVAL 5
#define MINLSARRIVAL 1
#define LSINFINITY 0xffff /* RFC says 0xffffff ??? */
#define LSINFINITY 0xffffff
#define DEFAULT_OSPFTICK 5
#define DEFAULT_AREATICK 4
@@ -72,13 +72,18 @@ struct nbma_node
int eligible;
};
struct area_net
struct area_net_config
{
node n;
struct prefix px;
int hidden;
};
struct area_net
{
struct fib_node fn;
int hidden;
int active;
int oldactive;
};
struct ospf_area_config
@@ -113,6 +118,9 @@ struct ospf_iface
u32 rxmtint; /* number of seconds between LSA retransmissions */
u32 pollint; /* Poll interval */
u32 deadc; /* after "deadint" missing hellos is router dead */
u32 vid; /* Id of peer of virtual link */
ip_addr vip; /* IP of peer of virtual link */
struct ospf_area *voa; /* Area wich the vlink goes through */
u16 autype;
u8 aukey[8];
u8 options;
@@ -299,28 +307,61 @@ struct ospf_lsa_net
ip_addr netmask;
};
struct ospf_lsa_summ
struct ospf_lsa_sum
{
ip_addr netmask;
};
struct ospf_lsa_summ_net
{
u8 tos;
u8 padding;
u16 metric;
};
struct ospf_lsa_ext
{
ip_addr netmask;
};
struct ospf_lsa_ext_etos
{
#ifdef _BIG_ENDIAN
u8 ebit:1;
u8 tos:7;
u8 padding1;
u16 padding2;
#else
u16 padding2;
u8 padding1;
u8 tos:7;
u8 ebit:1;
#endif
};
#define METRIC_MASK 0x00FFFFFF
struct ospf_lsa_sum_tos
{
#ifdef _BIG_ENDIAN
u8 tos;
u8 padding1;
u16 padding2;
#else
u16 padding2;
u8 padding1;
u8 tos;
#endif
};
union ospf_lsa_sum_tm
{
struct ospf_lsa_sum_tos tos;
u32 metric;
};
union ospf_lsa_ext_etm
{
struct ospf_lsa_ext_etos etos;
u32 metric;
};
struct ospf_lsa_ext_tos
{
u8 etos;
u8 padding;
u16 metric;
union ospf_lsa_ext_etm etm;
ip_addr fwaddr;
u32 tag;
};
@@ -432,11 +473,12 @@ struct ospf_area
slist lsal; /* List of all LSA's */
struct top_hash_entry *rt; /* My own router LSA */
list cand; /* List of candidates for RT calc. */
list net_list; /* Networks to advertise or not */
struct fib net_fib; /* Networks to advertise or not */
int stub;
int trcap; /* Transit capability? */
struct proto_ospf *po;
unsigned tick;
struct fib rtr; /* Routing tables for routers */
};
struct proto_ospf
@@ -448,9 +490,10 @@ struct proto_ospf
list iface_list; /* Interfaces we really use */
list area_list;
int areano; /* Number of area I belong to */
struct fib rtf[2]; /* Routing tables */
struct fib rtf; /* Routing table */
int rfc1583; /* RFC1583 compatibility */
int ebit; /* Did I originate any ext lsa? */
struct ospf_area *backbone; /* If exists */
};
struct ospf_iface_patt
@@ -468,6 +511,7 @@ struct ospf_iface_patt
u32 autype;
u32 strictnbma;
u32 stub;
u32 vid;
/* must be in network byte order */
#define AU_NONE htons(0)
#define AU_SIMPLE htons(1)
@@ -493,6 +537,7 @@ void ospf_sh_iface(struct proto *p, char *iff);
#define EA_OSPF_METRIC2 EA_CODE(EAP_OSPF, 1)
#define EA_OSPF_TAG EA_CODE(EAP_OSPF, 2)
#include "proto/ospf/rt.h"
#include "proto/ospf/hello.h"
#include "proto/ospf/packet.h"
#include "proto/ospf/iface.h"
@@ -503,6 +548,5 @@ void ospf_sh_iface(struct proto *p, char *iff);
#include "proto/ospf/lsupd.h"
#include "proto/ospf/lsack.h"
#include "proto/ospf/lsalib.h"
#include "proto/ospf/rt.h"
#endif /* _BIRD_OSPF_H_ */