#include "lib/lists.h"
#include "lib/slists.h"
#include "lib/socket.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
#include "lib/resource.h"
#include "nest/protocol.h"
#include "nest/iface.h"
log_rl(&p->log_lsa_tbf, L_REMOTE "%s: " msg, p->p.name, args)
#define LOG_LSA2(msg, args...) \
- do { if (! p->log_lsa_tbf.mark) \
+ do { if (! p->log_lsa_tbf.drop) \
log(L_REMOTE "%s: " msg, p->p.name, args); } while(0)
#define OSPF_PROTO 89
-#define LSREFRESHTIME 1800 /* 30 minutes */
-#define MINLSINTERVAL 5
-#define MINLSARRIVAL 1
-#define LSINFINITY 0xffffff
+#define LSREFRESHTIME 1800 /* 30 minutes */
+#define MINLSINTERVAL (5 S_)
+#define MINLSARRIVAL (1 S_)
+#define LSINFINITY 0xffffff
+
+#define OSPF_PKT_TYPES 5 /* HELLO_P .. LSACK_P */
+#define OSPF3_CRYPTO_ID 1 /* OSPFv3 Cryptographic Protocol ID */
#define OSPF_DEFAULT_TICK 1
#define OSPF_DEFAULT_STUB_COST 1000
#define OSPF_DEFAULT_ECMP_LIMIT 16
+#define OSPF_DEFAULT_GR_TIME 120
#define OSPF_DEFAULT_TRANSINT 40
#define OSPF_MIN_PKT_SIZE 256
#define OSPF_VLINK_ID_OFFSET 0x80000000
+#define OSPF_GR_ABLE 1
+#define OSPF_GR_AWARE 2
+
struct ospf_config
{
struct proto_config c;
uint tick;
u8 ospf2;
+ u8 af_ext;
+ u8 af_mc;
u8 rfc1583;
u8 stub_router;
u8 merge_external;
u8 instance_id;
+ u8 instance_id_set;
u8 abr;
u8 asbr;
- int ecmp;
+ u8 vpn_pe;
+ u8 gr_mode; /* Graceful restart mode (OSPF_GR_*) */
+ uint gr_time; /* Graceful restart interval */
+ uint ecmp;
list area_list; /* list of area configs (struct ospf_area_config) */
list vlink_list; /* list of configured vlinks (struct ospf_iface_patt) */
};
int tx_priority;
u16 tx_length;
u16 rx_buffer;
-
#define OSPF_RXBUF_MINSIZE 256 /* Minimal allowed size */
u8 instance_id;
+ u8 instance_id_set;
u8 autype; /* OSPF_AUTH_*, not really used in OSPFv3 */
u8 strictnbma;
u8 check_link;
list area_list; /* List of OSPF areas (struct ospf_area) */
int areano; /* Number of area I belong to */
int padj; /* Number of neighbors in Exchange or Loading state */
+ int gr_count; /* Number of neighbors in graceful restart state */
+ int gr_recovery; /* Graceful restart recovery is active */
+ btime gr_timeout; /* The end time of grace restart recovery */
struct fib rtf; /* Routing table */
struct idm idm; /* OSPFv3 LSA ID map */
- byte ospf2; /* OSPF v2 or v3 */
- byte rfc1583; /* RFC1583 compatibility */
- byte stub_router; /* Do not forward transit traffic */
- byte merge_external; /* Should i merge external routes? */
- byte asbr; /* May i originate any ext/NSSA lsa? */
- byte ecmp; /* Maximal number of nexthops in ECMP route, or 0 */
+ u8 ospf2; /* OSPF v2 or v3 */
+ u8 af_ext; /* OSPFv3-AF extension */
+ u8 af_mc; /* OSPFv3-AF multicast */
+ u8 rfc1583; /* RFC1583 compatibility */
+ u8 stub_router; /* Do not forward transit traffic */
+ u8 merge_external; /* Should i merge external routes? */
+ u8 instance_id; /* Differentiate between more OSPF instances */
+ u8 asbr; /* May i originate any ext/NSSA lsa? */
+ u8 vpn_pe; /* Should we do VPN PE specific behavior (RFC 4577)? */
+ u8 ecmp; /* Maximal number of nexthops in ECMP route, or 0 */
+ u8 gr_mode; /* Graceful restart mode (OSPF_GR_*) */
+ uint gr_time; /* Graceful restart interval */
+ u64 csn64; /* Last used cryptographic sequence number */
struct ospf_area *backbone; /* If exists */
event *flood_event; /* Event for flooding LS updates */
void *lsab; /* LSA buffer used when originating router LSAs */
struct fib rtr; /* Routing tables for routers */
};
-
-
struct ospf_iface
{
node n;
sock *sk; /* IP socket */
list neigh_list; /* List of neighbors (struct ospf_neighbor) */
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 waitint; /* Number of seconds before changing state from wait */
+ u32 rxmtint; /* Number of seconds between LSA retransmissions */
+ u32 pollint; /* Poll interval in seconds */
+ u32 deadint; /* After deadint seconds without hellos is router dead */
u32 iface_id; /* Interface ID (iface->index or new value for vlinks) */
u32 vid; /* ID of peer of virtual link */
ip_addr vip; /* IP of peer of virtual link */
interface. LSAs contained in the update */
u16 helloint; /* number of seconds between hello sending */
list *passwords;
- u32 csn; /* Last used crypt seq number */
- bird_clock_t csn_use; /* Last time when packet with that CSN was sent */
+ u32 csn; /* Last used crypt seq number */
+ btime csn_use; /* Last time when packet with that CSN was sent */
ip_addr all_routers; /* Multicast (or broadcast) address for all routers */
ip_addr des_routers; /* Multicast (or NULL) address for designated routers */
ip_addr drip; /* Designated router IP */
pool *pool;
struct ospf_iface *ifa;
u8 state;
+ u8 gr_active; /* We act as GR helper for the neighbor */
+ u8 got_my_rt_lsa; /* Received my Rt-LSA in DBDES exchanged */
timer *inactim; /* Inactivity timer */
u8 imms; /* I, M, Master/slave received */
u8 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 */
/* Entries dr and bdr store IP addresses in OSPFv2 and router IDs in
#define ACKL_DIRECT 0
#define ACKL_DELAY 1
timer *ackd_timer; /* Delayed ack timer */
+ timer *gr_timer; /* Graceful restart timer, non-NULL only if gr_active */
struct bfd_request *bfd_req; /* BFD request, if BFD is used */
void *ldd_buffer; /* Last database description packet */
u32 ldd_bsize; /* Buffer size for ldd_buffer */
- u32 csn; /* Last received crypt seq number (for MD5) */
+ u32 csn; /* OSPFv2: Last received crypt seq number */
+ u64 csn64[OSPF_PKT_TYPES]; /* OSPFv3: Last received CSN for each type of packet */
};
#define OSPF_AUTH_SIMPLE 1
#define OSPF_AUTH_CRYPT 2
+#define OSPF3_AUTH_HMAC 1 /* HMAC Cryptographic Authentication */
/* OSPF neighbor states */
#define NEIGHBOR_DOWN 0
/* Generic option flags */
-#define OPT_V6 0x01 /* OSPFv3, LSA relevant for IPv6 routing calculation */
-#define OPT_E 0x02 /* Related to AS-external LSAs */
-#define OPT_MC 0x04 /* Related to MOSPF, not used and obsolete */
-#define OPT_N 0x08 /* Related to NSSA */
-#define OPT_P 0x08 /* OSPFv2, flags P and N share position, see NSSA RFC */
-#define OPT_EA 0x10 /* OSPFv2, external attributes, not used and obsolete */
-#define OPT_R 0x10 /* OSPFv3, originator is active router */
-#define OPT_DC 0x20 /* Related to demand circuits, not used */
+#define OPT_V6 0x0001 /* OSPFv3, LSA relevant for IPv6 routing calculation */
+#define OPT_E 0x0002 /* Related to AS-external LSAs */
+#define OPT_MC 0x0004 /* Related to MOSPF, not used and obsolete */
+#define OPT_N 0x0008 /* Related to NSSA */
+#define OPT_P 0x0008 /* OSPFv2, flags P and N share position, see NSSA RFC */
+#define OPT_L_V2 0x0010 /* OSPFv2, link-local signaling, not used */
+#define OPT_R 0x0010 /* OSPFv3, originator is active router */
+#define OPT_DC 0x0020 /* Related to demand circuits, not used */
+#define OPT_O 0x0040 /* OSPFv2 Opaque LSA (RFC 5250) */
+#define OPT_DN 0x0080 /* OSPFv2 VPN loop prevention (RFC 4576)*/
+#define OPT_AF 0x0100 /* OSPFv3 Address Families (RFC 5838) */
+#define OPT_L_V3 0x0200 /* OSPFv3, link-local signaling */
+#define OPT_AT 0x0400 /* OSPFv3, authentication trailer */
/* Router-LSA VEB flags are are stored together with links (OSPFv2) or options (OSPFv3) */
#define OPT_RT_B (0x01 << 24)
u8 autype; /* Undefined for OSPFv3 */
};
+struct ospf_lls
+{
+ u16 checksum;
+ u16 length;
+ byte data[0];
+};
+
struct ospf_auth_crypto
{
u16 zero;
u8 keyid;
u8 len;
- u32 csn;
+ u32 csn; /* Cryptographic sequence number (32-bit) */
};
-union ospf_auth
+union ospf_auth2
{
u8 password[8];
struct ospf_auth_crypto c32;
};
+struct ospf_auth3
+{
+ u16 type; /* Authentication type (OSPF3_AUTH_*) */
+ u16 length; /* Authentication trailer length (header + data) */
+ u16 reserved;
+ u16 sa_id; /* Security association identifier (key_id) */
+ u64 csn; /* Cryptographic sequence number (64-bit) */
+ byte data[0]; /* Authentication data */
+};
+
+
/* Packet types */
#define HELLO_P 1 /* Hello */
#define DBDES_P 2 /* Database description */
#define DBDES_IMMS (DBDES_I | DBDES_M | DBDES_MS)
-#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_T_V2_MASK 0x00ff
-
-#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(type) ((type) & LSA_SCOPE_MASK)
+/* OSPFv3 LSA Types / LSA Function Codes */
+/* https://www.iana.org/assignments/ospfv3-parameters/ospfv3-parameters.xhtml#ospfv3-parameters-3 */
+#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_T_GR 0x000B
+#define LSA_T_RI_ 0x000C
+#define LSA_T_RI_LINK 0x800C
+#define LSA_T_RI_AREA 0xA00C
+#define LSA_T_RI_AS 0xC00C
+#define LSA_T_OPAQUE_ 0x1FFF
+#define LSA_T_OPAQUE_LINK 0x9FFF
+#define LSA_T_OPAQUE_AREA 0xBFFF
+#define LSA_T_OPAQUE_AS 0xDFFF
+
+#define LSA_T_V2_OPAQUE_ 0x0009
+#define LSA_T_V2_MASK 0x00ff
+
+/* OSPFv2 Opaque LSA Types */
+/* https://www.iana.org/assignments/ospf-opaque-types/ospf-opaque-types.xhtml#ospf-opaque-types-2 */
+#define LSA_OT_GR 0x03
+#define LSA_OT_RI 0x04
+
+#define LSA_FUNCTION_MASK 0x1FFF
+#define LSA_FUNCTION(type) ((type) & LSA_FUNCTION_MASK)
+
+#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(type) ((type) & LSA_SCOPE_MASK)
+#define LSA_SCOPE_ORDER(type) (((type) >> 13) & 0x3)
#define LSA_MAXAGE 3600 /* 1 hour */
#define LSA_EXT2_TOS 0x7F000000
#define LSA_EXT2_EBIT 0x80000000
-#define LSA_EXT3_EBIT 0x4000000
-#define LSA_EXT3_FBIT 0x2000000
-#define LSA_EXT3_TBIT 0x1000000
+#define LSA_EXT3_EBIT 0x04000000
+#define LSA_EXT3_FBIT 0x02000000
+#define LSA_EXT3_TBIT 0x01000000
+
+/* OSPF Grace LSA (GR) TLVs */
+/* https://www.iana.org/assignments/ospfv2-parameters/ospfv2-parameters.xhtml#ospfv2-parameters-13 */
+#define LSA_GR_PERIOD 1
+#define LSA_GR_REASON 2
+#define LSA_GR_ADDRESS 3
+
+/* OSPF Router Information (RI) TLVs */
+/* https://www.iana.org/assignments/ospf-parameters/ospf-parameters.xhtml#ri-tlv */
+#define LSA_RI_RIC 1
+#define LSA_RI_RFC 2
+
+/* OSPF Router Informational Capability Bits */
+/* https://www.iana.org/assignments/ospf-parameters/ospf-parameters.xhtml#router-informational-capability */
+#define LSA_RIC_GR_CAPABLE 0
+#define LSA_RIC_GR_HELPER 1
+#define LSA_RIC_STUB_ROUTER 2
struct ospf_lsa_header
{
net_addr net;
ip_addr fwaddr;
- u32 metric, ebit, fbit, tag, propagate;
+ u32 metric, ebit, fbit, tag, propagate, downwards;
u8 pxopts;
};
u32 rest[];
};
+struct ospf_tlv
+{
+#ifdef CPU_BIG_ENDIAN
+ u16 type;
+ u16 length;
+#else
+ u16 length;
+ u16 type;
+#endif
+ u32 data[];
+};
+
static inline uint
lsa_net_count(struct ospf_lsa_header *lsa)
#define IPV6_PREFIX_SPACE(x) ((((x) + 63) / 32) * 4)
#define IPV6_PREFIX_WORDS(x) (((x) + 63) / 32)
-/* FIXME: these functions should be significantly redesigned w.r.t. integration,
- also should be named as ospf3_* instead of *_ipv6_* */
static inline int
ospf_valid_prefix(net_addr *n)
{
- /* In OSPFv2, prefix is stored as netmask; ip4_masklen() returns 255 for invalid one */
- return n->pxlen <= IP6_MAX_PREFIX_LENGTH;
+ /*
+ * In OSPFv2, prefix is stored as netmask; ip4_masklen() returns 255 for
+ * invalid one. But OSPFv3-AF may receive IPv4 net with 32 < pxlen < 128.
+ */
+ uint max = (n->type == NET_IP4) ? IP4_MAX_PREFIX_LENGTH : IP6_MAX_PREFIX_LENGTH;
+ return n->pxlen <= max;
}
+/*
+ * In OSPFv3-AF (RFC 5835), IPv4 address is encoded by just placing it in the
+ * first 32 bits of IPv6 address and setting remaining bits to zero. Likewise
+ * for IPv4 prefix, where remaining bits do not matter. We use following
+ * functions to convert between IPv4 and IPv4-in-IPv6 representations:
+ */
+
+static inline ip4_addr ospf3_6to4(ip6_addr a)
+{ return _MI4(_I0(a)); }
+
+static inline ip6_addr ospf3_4to6(ip4_addr a)
+{ return _MI6(_I(a), 0, 0, 0); }
+
+
static inline u32 *
-ospf_get_ipv6_prefix(u32 *buf, net_addr *N, u8 *pxopts, u16 *rest)
+ospf3_get_prefix(u32 *buf, int af, net_addr *n, u8 *pxopts, u16 *rest)
{
- net_addr_ip6 *net = (void *) N;
- u8 pxlen = (*buf >> 24);
+ ip6_addr px = IP6_NONE;
+ uint pxlen = (*buf >> 24);
*pxopts = (*buf >> 16) & 0xff;
if (rest) *rest = *buf & 0xffff;
buf++;
- *net = NET_ADDR_IP6(IP6_NONE, pxlen);
-
if (pxlen > 0)
- _I0(net->prefix) = *buf++;
+ _I0(px) = *buf++;
if (pxlen > 32)
- _I1(net->prefix) = *buf++;
+ _I1(px) = *buf++;
if (pxlen > 64)
- _I2(net->prefix) = *buf++;
+ _I2(px) = *buf++;
if (pxlen > 96)
- _I3(net->prefix) = *buf++;
+ _I3(px) = *buf++;
/* Clean up remaining bits */
if (pxlen < 128)
- net->prefix.addr[pxlen / 32] &= u32_mkmask(pxlen % 32);
+ px.addr[pxlen / 32] &= u32_mkmask(pxlen % 32);
- return buf;
-}
+ if (af == NET_IP4)
+ net_fill_ip4(n, ospf3_6to4(px), pxlen);
+ else
+ net_fill_ip6(n, px, pxlen);
-static inline u32 *
-ospf_get_ipv6_addr(u32 *buf, ip_addr *addr)
-{
- *addr = ipa_from_ip6(*(ip6_addr *) buf);
- return buf + 4;
+ return buf;
}
static inline u32 *
-ospf_put_ipv6_prefix(u32 *buf, net_addr *N, u8 pxopts, u16 rest)
+ospf3_put_prefix(u32 *buf, net_addr *n, u8 pxopts, u16 rest)
{
- net_addr_ip6 *net = (void *) N;
- u32 pxlen = net->pxlen;
+ ip6_addr px = (n->type == NET_IP4) ? ospf3_4to6(net4_prefix(n)) : net6_prefix(n);
+ uint pxlen = n->pxlen;
*buf++ = ((pxlen << 24) | (pxopts << 16) | rest);
if (pxlen > 0)
- *buf++ = _I0(net->prefix);
+ *buf++ = _I0(px);
if (pxlen > 32)
- *buf++ = _I1(net->prefix);
+ *buf++ = _I1(px);
if (pxlen > 64)
- *buf++ = _I2(net->prefix);
+ *buf++ = _I2(px);
if (pxlen > 96)
- *buf++ = _I3(net->prefix);
+ *buf++ = _I3(px);
return buf;
}
static inline u32 *
-ospf_put_ipv6_addr(u32 *buf, ip_addr addr)
+ospf3_get_addr(u32 *buf, int af, ip_addr *addr)
{
- *(ip6_addr *) buf = ipa_to_ip6(addr);
+ ip6_addr a;
+ memcpy(&a, buf, 16);
+ *addr = (af == NET_IP4) ? ipa_from_ip4(ospf3_6to4(a)) : ipa_from_ip6(a);
+ return buf + 4;
+}
+
+static inline u32 *
+ospf3_put_addr(u32 *buf, ip_addr addr)
+{
+ ip6_addr a = ipa_is_ip4(addr) ? ospf3_4to6(ipa_to_ip4(addr)) : ipa_to_ip6(addr);
+ memcpy(buf, &a, 16);
return buf + 4;
}
#define SH_ROUTER_SELF 0xffffffff
struct lsadb_show_data {
- struct symbol *name; /* Protocol to request data from */
+ struct ospf_proto *proto; /* Protocol to request data from */
u16 type; /* LSA Type, 0 -> all */
u16 scope; /* Scope, 0 -> all, hack to handle link scope as 1 */
u32 area; /* Specified for area scope */
};
-#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)
+#define EA_OSPF_METRIC1 EA_CODE(PROTOCOL_OSPF, 0)
+#define EA_OSPF_METRIC2 EA_CODE(PROTOCOL_OSPF, 1)
+#define EA_OSPF_TAG EA_CODE(PROTOCOL_OSPF, 2)
+#define EA_OSPF_ROUTER_ID EA_CODE(PROTOCOL_OSPF, 3)
/* ospf.c */
static inline int ospf_get_version(struct ospf_proto *p)
{ return ospf_is_v2(p) ? 2 : 3; }
+static inline int ospf_is_ip4(struct ospf_proto *p)
+{ return p->p.net_type == NET_IP4; }
+
+static inline int ospf_is_ip6(struct ospf_proto *p)
+{ return p->p.net_type == NET_IP6; }
+
+static inline int ospf_get_af(struct ospf_proto *p)
+{ return p->p.net_type; }
+
struct ospf_area *ospf_find_area(struct ospf_proto *p, u32 aid);
static inline struct ospf_area *ospf_main_area(struct ospf_proto *p)
static inline int oa_is_nssa(struct ospf_area *oa)
{ return oa->options & OPT_N; }
+void ospf_stop_gr_recovery(struct ospf_proto *p);
+
void ospf_sh_neigh(struct proto *P, char *iff);
void ospf_sh(struct proto *P);
void ospf_sh_iface(struct proto *P, char *iff);
/* neighbor.c */
struct ospf_neighbor *ospf_neighbor_new(struct ospf_iface *ifa);
void ospf_neigh_sm(struct ospf_neighbor *n, int event);
+void ospf_neigh_cancel_graceful_restart(struct ospf_neighbor *n);
+void ospf_neigh_notify_grace_lsa(struct ospf_neighbor *n, struct top_hash_entry *en);
+void ospf_neigh_lsadb_changed_(struct ospf_proto *p, struct top_hash_entry *en);
void ospf_dr_election(struct ospf_iface *ifa);
struct ospf_neighbor *find_neigh(struct ospf_iface *ifa, u32 rid);
struct ospf_neighbor *find_neigh_by_ip(struct ospf_iface *ifa, ip_addr ip);
void ospf_neigh_update_bfd(struct ospf_neighbor *n, int use_bfd);
void ospf_sh_neigh_info(struct ospf_neighbor *n);
+static inline void ospf_neigh_lsadb_changed(struct ospf_proto *p, struct top_hash_entry *en)
+{ if (p->gr_count) ospf_neigh_lsadb_changed_(p, en); }
+
/* packet.c */
void ospf_pkt_fill_hdr(struct ospf_iface *ifa, void *buf, u8 h_type);
int ospf_rx_hook(sock * sk, uint size);
#endif
static inline uint ospf_pkt_hdrlen(struct ospf_proto *p)
-{ return ospf_is_v2(p) ? (sizeof(struct ospf_packet) + sizeof(union ospf_auth)) : sizeof(struct ospf_packet); }
+{ return ospf_is_v2(p) ? (sizeof(struct ospf_packet) + sizeof(union ospf_auth2)) : sizeof(struct ospf_packet); }
static inline void * ospf_tx_buffer(struct ospf_iface *ifa)
{ return ifa->sk->tbuf; }
void ospf_send_hello(struct ospf_iface *ifa, int kind, struct ospf_neighbor *dirn);
void ospf_receive_hello(struct ospf_packet *pkt, struct ospf_iface *ifa, struct ospf_neighbor *n, ip_addr faddr);
+uint ospf_hello3_options(struct ospf_packet *pkt);
/* dbdes.c */
void ospf_send_dbdes(struct ospf_proto *p, struct ospf_neighbor *n);
void ospf_rxmt_dbdes(struct ospf_proto *p, struct ospf_neighbor *n);
+void ospf_reset_ldd(struct ospf_proto *p, struct ospf_neighbor *n);
void ospf_receive_dbdes(struct ospf_packet *pkt, struct ospf_iface *ifa, struct ospf_neighbor *n);
+uint ospf_dbdes3_options(struct ospf_packet *pkt);
/* lsreq.c */
void ospf_send_lsreq(struct ospf_proto *p, struct ospf_neighbor *n);
projects / thirdparty / bird.git / blobdiff