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bird/proto/ospf/ospf.h
Ondrej Zajicek 4160a9dd94 OSPF NSSA translator election.
2011-07-22 20:00:24 +02:00

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/*
* BIRD -- OSPF
*
* (c) 1999--2005 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 MAXNETS 10
#define OSPF_MAX_PKT_SIZE 65535
/*
* RFC 2328 says, maximum packet size is 65535 (IP packet size
* limit). Really a bit less for OSPF, because this contains also IP
* header. This could be too much for small systems, so I normally
* allocate 2*mtu (i found one cisco sending packets mtu+16). OSPF
* packets are almost always sent small enough to not be fragmented.
*/
#ifdef LOCAL_DEBUG
#define OSPF_FORCE_DEBUG 1
#else
#define OSPF_FORCE_DEBUG 0
#endif
#define OSPF_TRACE(flags, msg, args...) do { if ((p->debug & flags) || OSPF_FORCE_DEBUG) \
log(L_TRACE "%s: " msg, p->name , ## args ); } while(0)
#define OSPF_PACKET(dumpfn, buffer, msg, args...) \
do { if ((p->debug & D_PACKETS) || OSPF_FORCE_DEBUG) \
{ log(L_TRACE "%s: " msg, p->name, ## args ); dumpfn(p, buffer); } } while(0)
#include "nest/bird.h"
#include "lib/checksum.h"
#include "lib/ip.h"
#include "lib/lists.h"
#include "lib/slists.h"
#include "lib/socket.h"
#include "lib/timer.h"
#include "lib/resource.h"
#include "nest/protocol.h"
#include "nest/iface.h"
#include "nest/route.h"
#include "nest/cli.h"
#include "nest/locks.h"
#include "conf/conf.h"
#include "lib/string.h"
#define OSPF_PROTO 89
#ifndef IPV6
#define OSPFv2 1
#define OSPF_VERSION 2
#define OSPF_VLINK_MTU 576 /* RFC 2328 A.1 */
#define AllSPFRouters ipa_from_u32(0xe0000005) /* 224.0.0.5 */
#define AllDRouters ipa_from_u32(0xe0000006) /* 224.0.0.6 */
#else
#define OSPFv3 1
#define OSPF_VERSION 3
#define OSPF_VLINK_MTU 1280 /* RFC 5340 A.1 */
#define AllSPFRouters _MI(0xFF020000, 0, 0, 5) /* FF02::5 */
#define AllDRouters _MI(0xFF020000, 0, 0, 6) /* FF02::6 */
#endif
#define LSREFRESHTIME 1800 /* 30 minutes */
#define MINLSINTERVAL 5
#define MINLSARRIVAL 1
#define LSINFINITY 0xffffff
#define DEFAULT_OSPFTICK 1
#define DEFAULT_RFC1583 0 /* compatibility with rfc1583 */
#define DEFAULT_STUB_COST 1000
#define DEFAULT_ECMP_LIMIT 16
struct ospf_config
{
struct proto_config c;
unsigned tick;
byte rfc1583;
byte abr;
int ecmp;
list area_list;
list vlink_list;
};
struct nbma_node
{
node n;
ip_addr ip;
byte eligible;
byte found;
};
struct area_net_config
{
node n;
struct prefix px;
int hidden;
};
struct area_net
{
struct fib_node fn;
int hidden;
int active;
u32 metric;
};
struct ospf_stubnet_config
{
node n;
struct prefix px;
int hidden, summary;
u32 cost;
};
struct ospf_area_config
{
node n;
u32 areaid;
u32 stub_cost; /* Cost of default route for stub areas */
u8 type; /* Area type (standard, stub, NSSA), represented
by option flags (OPT_E, OPT_N) */
u8 summary; /* Import summaries to this stub/NSSA area, valid for ABR */
u8 translator; /* Translator role, for NSSA ABR */
u32 transint; /* Translator stability interval */
list patt_list;
list net_list; /* List of aggregate networks for that area */
list stubnet_list; /* List of stub networks added to Router LSA */
};
/* Option flags */
#define OPT_E 0x02
#define OPT_N 0x08
#define OPT_DC 0x20
#ifdef OSPFv2
#define OPT_P 0x08 /* flags P and N share position, see NSSA RFC */
#define OPT_EA 0x10
/* VEB flags are are stored independently in 'u16 options' */
#define OPT_RT_B (0x01 << 8)
#define OPT_RT_E (0x02 << 8)
#define OPT_RT_V (0x04 << 8)
#define OPT_RT_NT (0x10 << 8)
#endif
#ifdef OSPFv3
#define OPT_V6 0x01
#define OPT_R 0x10
/* VEB flags are are stored together with options in 'u32 options' */
#define OPT_RT_B (0x01 << 24)
#define OPT_RT_E (0x02 << 24)
#define OPT_RT_V (0x04 << 24)
#define OPT_RT_NT (0x10 << 24)
#define OPT_PX_NU 0x01
#define OPT_PX_LA 0x02
#define OPT_PX_P 0x08
#define OPT_PX_DN 0x10
#endif
struct ospf_iface
{
node n;
struct iface *iface; /* Nest's iface */
struct ifa *addr; /* IP prefix associated with that OSPF iface */
struct ospf_area *oa;
struct ospf_iface_patt *cf;
pool *pool;
sock *sk; /* IP socket (for DD ...) */
list neigh_list; /* List of neigbours */
u32 cost; /* Cost of iface */
u32 waitint; /* number of sec before changing state from wait */
u32 rxmtint; /* number of seconds between LSA retransmissions */
u32 pollint; /* Poll interval */
u32 deadint; /* 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_iface *vifa; /* OSPF iface which the vlink goes through */
struct ospf_area *voa; /* OSPF area which the vlink goes through */
u16 inftransdelay; /* The estimated number of seconds it takes to
transmit a Link State Update Packet over this
interface. LSAs contained in the update */
u16 helloint; /* number of seconds between hello sending */
#ifdef OSPFv2
list *passwords;
u16 autype;
u32 csn; /* Last used crypt seq number */
bird_clock_t csn_use; /* Last time when packet with that CSN was sent */
#endif
ip_addr drip; /* Designated router */
ip_addr bdrip; /* Backup DR */
u32 drid;
u32 bdrid;
s16 rt_pos_beg; /* Position of iface in Router-LSA, begin, inclusive */
s16 rt_pos_end; /* Position of iface in Router-LSA, end, exclusive */
#ifdef OSPFv3
s16 px_pos_beg; /* Position of iface in Rt Prefix-LSA, begin, inclusive */
s16 px_pos_end; /* Position of iface in Rt Prefix-LSA, end, exclusive */
u32 dr_iface_id; /* if drid is valid, this is iface_id of DR (for connecting network) */
u8 instance_id; /* Used to differentiate between more OSPF
instances on one interface */
#endif
u8 type; /* OSPF view of type */
#define OSPF_IT_BCAST 0
#define OSPF_IT_NBMA 1
#define OSPF_IT_PTP 2
#define OSPF_IT_PTMP 3
#define OSPF_IT_VLINK 4
#define OSPF_IT_UNDEF 5
u8 strictnbma; /* Can I talk with unknown neighbors? */
u8 stub; /* Inactive interface */
u8 state; /* Interface state machine */
#define OSPF_IS_DOWN 0 /* Not working */
#define OSPF_IS_LOOP 1 /* Iface with no link */
#define OSPF_IS_WAITING 2 /* Waiting for Wait timer */
#define OSPF_IS_PTP 3 /* PTP operational */
#define OSPF_IS_DROTHER 4 /* I'm on BCAST or NBMA and I'm not DR */
#define OSPF_IS_BACKUP 5 /* I'm BDR */
#define OSPF_IS_DR 6 /* I'm DR */
timer *wait_timer; /* WAIT timer */
timer *hello_timer; /* HELLOINT timer */
timer *poll_timer; /* Poll Interval - for NBMA */
/* Default values for interface parameters */
#define COST_D 10
#define RXMTINT_D 5
#define INFTRANSDELAY_D 1
#define PRIORITY_D 1
#define HELLOINT_D 10
#define POLLINT_D 20
#define DEADC_D 4
#define WAIT_DMH 4
/* Value of Wait timer - not found it in RFC * - using 4*HELLO */
struct top_hash_entry *net_lsa; /* Originated network LSA */
int orignet; /* Schedule network LSA origination */
#ifdef OSPFv3
int origlink; /* Schedule link LSA origination */
struct top_hash_entry *link_lsa; /* Originated link LSA */
struct top_hash_entry *pxn_lsa; /* Originated prefix LSA */
#endif
int fadj; /* Number of full adjacent neigh */
list nbma_list;
u8 priority; /* A router priority for DR election */
u8 ioprob;
#define OSPF_I_OK 0 /* Everything OK */
#define OSPF_I_SK 1 /* Socket open failed */
#define OSPF_I_LL 2 /* Missing link-local address (OSPFv3) */
u8 sk_dr; /* Socket is a member of DRouters group */
u8 marked; /* Used in OSPF reconfigure */
u16 rxbuf; /* Buffer size */
u8 check_link; /* Whether iface link change is used */
u8 ecmp_weight; /* Weight used for ECMP */
};
struct ospf_md5
{
u16 zero;
u8 keyid;
u8 len;
u32 csn;
};
union ospf_auth
{
u8 password[8];
struct ospf_md5 md5;
};
/* Packet types */
#define HELLO_P 1 /* Hello */
#define DBDES_P 2 /* Database description */
#define LSREQ_P 3 /* Link state request */
#define LSUPD_P 4 /* Link state update */
#define LSACK_P 5 /* Link state acknowledgement */
/* Area IDs */
#define BACKBONE 0
struct immsb
{
#ifdef CPU_BIG_ENDIAN
u8 padding:5;
u8 i:1;
u8 m:1;
u8 ms:1;
#else
u8 ms:1;
u8 m:1;
u8 i:1;
u8 padding:5;
#endif
};
union imms
{
u8 byte;
struct immsb bit;
};
#define DBDES_MS 1
#define DBDES_M 2
#define DBDES_I 4
#ifdef OSPFv2
struct ospf_packet
{
u8 version;
u8 type;
u16 length;
u32 routerid;
u32 areaid;
u16 checksum;
u16 autype;
union ospf_auth u;
};
#else /* OSPFv3 packet descriptions */
struct ospf_packet
{
u8 version;
u8 type;
u16 length;
u32 routerid;
u32 areaid;
u16 checksum;
u8 instance_id;
u8 zero;
};
#endif
struct ospf_lsa_header
{
u16 age; /* LS Age */
#define LSA_MAXAGE 3600 /* 1 hour */
#define LSA_CHECKAGE 300 /* 5 minutes */
#define LSA_MAXAGEDIFF 900 /* 15 minutes */
#ifdef OSPFv2
u8 options;
u8 type;
#define LSA_T_RT 1
#define LSA_T_NET 2
#define LSA_T_SUM_NET 3
#define LSA_T_SUM_RT 4
#define LSA_T_EXT 5
#define LSA_T_NSSA 7
#define LSA_SCOPE_AREA 0x2000
#define LSA_SCOPE_AS 0x4000
#define LSA_SCOPE(lsa) (((lsa)->type == LSA_T_EXT) ? LSA_SCOPE_AS : LSA_SCOPE_AREA)
#else /* OSPFv3 */
u16 type;
#define LSA_T_RT 0x2001
#define LSA_T_NET 0x2002
#define LSA_T_SUM_NET 0x2003
#define LSA_T_SUM_RT 0x2004
#define LSA_T_EXT 0x4005
#define LSA_T_NSSA 0x2007
#define LSA_T_LINK 0x0008
#define LSA_T_PREFIX 0x2009
#define LSA_UBIT 0x8000
#define LSA_SCOPE_LINK 0x0000
#define LSA_SCOPE_AREA 0x2000
#define LSA_SCOPE_AS 0x4000
#define LSA_SCOPE_RES 0x6000
#define LSA_SCOPE_MASK 0x6000
#define LSA_SCOPE(lsa) ((lsa)->type & LSA_SCOPE_MASK)
#endif
u32 id;
u32 rt; /* Advertising router */
s32 sn; /* LS Sequence number */
#define LSA_INITSEQNO ((s32) 0x80000001)
#define LSA_MAXSEQNO ((s32) 0x7fffffff)
u16 checksum;
u16 length;
};
#define LSART_PTP 1
#define LSART_NET 2
#define LSART_STUB 3
#define LSART_VLNK 4
#ifdef OSPFv2
struct ospf_lsa_rt
{
#ifdef CPU_BIG_ENDIAN
u16 options; /* VEB flags only */
u16 links;
#else
u16 links;
u16 options; /* VEB flags only */
#endif
};
struct ospf_lsa_rt_link
{
u32 id;
u32 data;
#ifdef CPU_BIG_ENDIAN
u8 type;
u8 padding;
u16 metric;
#else
u16 metric;
u8 padding;
u8 type;
#endif
};
struct ospf_lsa_net
{
ip_addr netmask;
u32 routers[];
};
struct ospf_lsa_sum
{
ip_addr netmask;
u32 metric;
};
struct ospf_lsa_ext
{
ip_addr netmask;
u32 metric;
ip_addr fwaddr;
u32 tag;
};
#define LSA_SUM_TOS 0xFF000000
#define LSA_EXT_TOS 0x7F000000
#define LSA_EXT_EBIT 0x80000000
/* Endianity swap for lsa->type */
#define ntoht(x) x
#define htont(x) x
#else /* OSPFv3 */
struct ospf_lsa_rt
{
u32 options;
};
struct ospf_lsa_rt_link
{
#ifdef CPU_BIG_ENDIAN
u8 type;
u8 padding;
u16 metric;
#else
u16 metric;
u8 padding;
u8 type;
#endif
u32 lif; /* Local interface ID */
u32 nif; /* Neighbor interface ID */
u32 id; /* Neighbor router ID */
};
struct ospf_lsa_net
{
u32 options;
u32 routers[];
};
struct ospf_lsa_sum_net
{
u32 metric;
u32 prefix[];
};
struct ospf_lsa_sum_rt
{
u32 options;
u32 metric;
u32 drid;
};
struct ospf_lsa_ext
{
u32 metric;
u32 rest[];
};
struct ospf_lsa_link
{
u32 options;
ip_addr lladdr;
u32 pxcount;
u32 rest[];
};
struct ospf_lsa_prefix
{
#ifdef CPU_BIG_ENDIAN
u16 pxcount;
u16 ref_type;
#else
u16 ref_type;
u16 pxcount;
#endif
u32 ref_id;
u32 ref_rt;
u32 rest[];
};
#define LSA_EXT_EBIT 0x4000000
#define LSA_EXT_FBIT 0x2000000
#define LSA_EXT_TBIT 0x1000000
/* Endianity swap for lsa->type */
#define ntoht(x) ntohs(x)
#define htont(x) htons(x)
#endif
#define METRIC_MASK 0x00FFFFFF
#define OPTIONS_MASK 0x00FFFFFF
static inline unsigned
lsa_rt_count(struct ospf_lsa_header *lsa)
{
return (lsa->length - sizeof(struct ospf_lsa_header) - sizeof(struct ospf_lsa_rt))
/ sizeof(struct ospf_lsa_rt_link);
}
static inline unsigned
lsa_net_count(struct ospf_lsa_header *lsa)
{
return (lsa->length - sizeof(struct ospf_lsa_header) - sizeof(struct ospf_lsa_net))
/ sizeof(u32);
}
#ifdef OSPFv3
#define IPV6_PREFIX_SPACE(x) ((((x) + 63) / 32) * 4)
#define IPV6_PREFIX_WORDS(x) (((x) + 63) / 32)
static inline u32 *
lsa_get_ipv6_prefix(u32 *buf, ip_addr *addr, int *pxlen, u8 *pxopts, u16 *rest)
{
u8 pxl = (*buf >> 24);
*pxopts = (*buf >> 16);
*rest = *buf;
*pxlen = pxl;
buf++;
*addr = IPA_NONE;
if (pxl > 0)
_I0(*addr) = *buf++;
if (pxl > 32)
_I1(*addr) = *buf++;
if (pxl > 64)
_I2(*addr) = *buf++;
if (pxl > 96)
_I3(*addr) = *buf++;
/* Clean up remaining bits */
if (pxl < 128)
addr->addr[pxl / 32] &= u32_mkmask(pxl % 32);
return buf;
}
static inline u32 *
lsa_get_ipv6_addr(u32 *buf, ip_addr *addr)
{
*addr = *(ip_addr *) buf;
return buf + 4;
}
static inline u32 *
put_ipv6_prefix(u32 *buf, ip_addr addr, u8 pxlen, u8 pxopts, u16 lh)
{
*buf++ = ((pxlen << 24) | (pxopts << 16) | lh);
if (pxlen > 0)
*buf++ = _I0(addr);
if (pxlen > 32)
*buf++ = _I1(addr);
if (pxlen > 64)
*buf++ = _I2(addr);
if (pxlen > 96)
*buf++ = _I3(addr);
return buf;
}
static inline u32 *
put_ipv6_addr(u32 *buf, ip_addr addr)
{
*(ip_addr *) buf = addr;
return buf + 4;
}
#endif
struct ospf_lsreq_header
{
u32 type;
u32 id;
u32 rt; /* Advertising router */
};
struct l_lsr_head
{
node n;
struct ospf_lsreq_header lsh;
};
struct ospf_neighbor
{
node n;
pool *pool;
struct ospf_iface *ifa;
u8 state;
#define NEIGHBOR_DOWN 0
#define NEIGHBOR_ATTEMPT 1
#define NEIGHBOR_INIT 2
#define NEIGHBOR_2WAY 3
#define NEIGHBOR_EXSTART 4
#define NEIGHBOR_EXCHANGE 5
#define NEIGHBOR_LOADING 6
#define NEIGHBOR_FULL 7
timer *inactim; /* Inactivity timer */
union imms imms; /* I, M, Master/slave received */
u32 dds; /* DD Sequence number being sent */
u32 ddr; /* last Dat Des packet received */
union imms myimms; /* I, M Master/slave */
u32 rid; /* Router ID */
ip_addr ip; /* IP of it's interface */
u8 priority; /* Priority */
u8 adj; /* built adjacency? */
u32 options; /* Options received */
/* dr and bdr store IP address in OSPFv2 and router ID in OSPFv3,
we use the same type to simplify handling */
u32 dr; /* Neigbour's idea of DR */
u32 bdr; /* Neigbour's idea of BDR */
#ifdef OSPFv3
u32 iface_id; /* ID of Neighbour's iface connected to common network */
#endif
siterator dbsi; /* Database summary list iterator */
slist lsrql; /* Link state request */
struct top_graph *lsrqh; /* LSA graph */
siterator lsrqi;
slist lsrtl; /* Link state retransmission list */
siterator lsrti;
struct top_graph *lsrth;
void *ldbdes; /* Last database description packet */
timer *rxmt_timer; /* RXMT timer */
list ackl[2];
#define ACKL_DIRECT 0
#define ACKL_DELAY 1
timer *ackd_timer; /* Delayed ack timer */
u32 csn; /* Last received crypt seq number (for MD5) */
};
/* Definitions for interface state machine */
#define ISM_UP 0 /* Interface Up */
#define ISM_WAITF 1 /* Wait timer fired */
#define ISM_BACKS 2 /* Backup seen */
#define ISM_NEICH 3 /* Neighbor change */
#define ISM_LOOP 4 /* Link down */
#define ISM_UNLOOP 5 /* Link up */
#define ISM_DOWN 6 /* Interface down */
/* Definitions for neighbor state machine */
#define INM_HELLOREC 0 /* Hello Received */
#define INM_START 1 /* Neighbor start - for NBMA */
#define INM_2WAYREC 2 /* 2-Way received */
#define INM_NEGDONE 3 /* Negotiation done */
#define INM_EXDONE 4 /* Exchange done */
#define INM_BADLSREQ 5 /* Bad LS Request */
#define INM_LOADDONE 6 /* Load done */
#define INM_ADJOK 7 /* AdjOK? */
#define INM_SEQMIS 8 /* Sequence number mismatch */
#define INM_1WAYREC 9 /* 1-Way */
#define INM_KILLNBR 10 /* Kill Neighbor */
#define INM_INACTTIM 11 /* Inactivity timer */
#define INM_LLDOWN 12 /* Line down */
struct ospf_area
{
node n;
u32 areaid;
struct ospf_area_config *ac; /* Related area config */
struct top_hash_entry *rt; /* My own router LSA */
struct top_hash_entry *pxr_lsa; /* Originated prefix LSA */
list cand; /* List of candidates for RT calc. */
struct fib net_fib; /* Networks to advertise or not */
u32 options; /* Optional features */
byte origrt; /* Rt lsa origination scheduled? */
byte trcap; /* Transit capability? */
byte marked; /* Used in OSPF reconfigure */
byte translate; /* Translator state (TRANS_*), for NSSA ABR */
timer *translator_timer; /* For NSSA translator switch */
struct proto_ospf *po;
struct fib rtr; /* Routing tables for routers */
};
#define TRANS_OFF 0
#define TRANS_ON 1
#define TRANS_WAIT 2 /* Waiting before the end of translation */
struct proto_ospf
{
struct proto proto;
timer *disp_timer; /* OSPF proto dispatcher */
unsigned tick;
struct top_graph *gr; /* LSA graph */
slist lsal; /* List of all LSA's */
int calcrt; /* Routing table calculation scheduled?
0=no, 1=normal, 2=forced reload */
list iface_list; /* Interfaces we really use */
list area_list;
int areano; /* Number of area I belong to */
struct fib rtf; /* Routing table */
byte rfc1583; /* RFC1583 compatibility */
byte ebit; /* Did I originate any ext lsa? */
byte ecmp; /* Maximal number of nexthops in ECMP route, or 0 */
struct ospf_area *backbone; /* If exists */
void *lsab; /* LSA buffer used when originating router LSAs */
int lsab_size, lsab_used;
linpool *nhpool; /* Linpool used for next hops computed in SPF */
u32 router_id;
};
struct ospf_iface_patt
{
struct iface_patt i;
u32 type;
u32 stub;
u32 cost;
u32 helloint;
u32 rxmtint;
u32 pollint;
u32 waitint;
u32 deadc;
u32 deadint;
u32 inftransdelay;
u32 priority;
u32 strictnbma;
list nbma_list;
u32 voa;
u32 vid;
u16 rxbuf;
u8 check_link;
u8 ecmp_weight;
#define OSPF_RXBUF_NORMAL 0
#define OSPF_RXBUF_LARGE 1
#define OSPF_RXBUF_MINSIZE 256 /* Minimal allowed size */
u32 autype; /* Not really used in OSPFv3 */
#define OSPF_AUTH_NONE 0
#define OSPF_AUTH_SIMPLE 1
#define OSPF_AUTH_CRYPT 2
#define OSPF_AUTH_CRYPT_SIZE 16
#ifdef OSPFv2
list *passwords;
#endif
#ifdef OSPFv3
u8 instance_id;
#endif
};
int ospf_import_control(struct proto *p, rte **new, ea_list **attrs,
struct linpool *pool);
struct ea_list *ospf_make_tmp_attrs(struct rte *rt, struct linpool *pool);
void ospf_store_tmp_attrs(struct rte *rt, struct ea_list *attrs);
void schedule_rt_lsa(struct ospf_area *oa);
void schedule_rtcalc(struct proto_ospf *po);
void schedule_net_lsa(struct ospf_iface *ifa);
struct ospf_area *ospf_find_area(struct proto_ospf *po, u32 aid);
static inline struct ospf_area *ospf_main_area(struct proto_ospf *po)
{ return (po->areano == 1) ? HEAD(po->area_list) : po->backbone; }
static inline int oa_is_stub(struct ospf_area *oa)
{ return (oa->options & (OPT_E | OPT_N)) == 0; }
static inline int oa_is_ext(struct ospf_area *oa)
{ return oa->options & OPT_E; }
static inline int oa_is_nssa(struct ospf_area *oa)
{ return oa->options & OPT_N; }
#ifdef OSPFv3
void schedule_link_lsa(struct ospf_iface *ifa);
#else
static inline void schedule_link_lsa(struct ospf_iface *ifa UNUSED) {}
#endif
void ospf_sh_neigh(struct proto *p, char *iff);
void ospf_sh(struct proto *p);
void ospf_sh_iface(struct proto *p, char *iff);
void ospf_sh_state(struct proto *p, int verbose, int reachable);
void ospf_sh_lsadb(struct proto *p);
#define EA_OSPF_METRIC1 EA_CODE(EAP_OSPF, 0)
#define EA_OSPF_METRIC2 EA_CODE(EAP_OSPF, 1)
#define EA_OSPF_TAG EA_CODE(EAP_OSPF, 2)
#define EA_OSPF_ROUTER_ID EA_CODE(EAP_OSPF, 3)
#include "proto/ospf/rt.h"
#include "proto/ospf/hello.h"
#include "proto/ospf/packet.h"
#include "proto/ospf/iface.h"
#include "proto/ospf/neighbor.h"
#include "proto/ospf/topology.h"
#include "proto/ospf/dbdes.h"
#include "proto/ospf/lsreq.h"
#include "proto/ospf/lsupd.h"
#include "proto/ospf/lsack.h"
#include "proto/ospf/lsalib.h"
#endif /* _BIRD_OSPF_H_ */
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