diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-06-30 20:12:59 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-06-30 21:30:41 +0200 |
| commit | 1a2ad348f660b150265f6df759a07de8a2b6de2f (patch) | |
| tree | d64846d56a79178a34e865440b3b87d970c13fd4 /proto/ospf/dbdes.c | |
| parent | 8a68316eb96be1fecf91ca395f3321aa99997ad2 (diff) | |
OSPF: Support for graceful restart
Implement OSPFv2 (RFC 3623) and OSPFv3 (RFC 5187) graceful restart,
for both restarting and helper sides. Graceful restart is initiated
by 'graceful down' command.
Diffstat (limited to 'proto/ospf/dbdes.c')
| -rw-r--r-- | proto/ospf/dbdes.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c index a1559782..b39595d9 100644 --- a/proto/ospf/dbdes.c +++ b/proto/ospf/dbdes.c @@ -215,7 +215,7 @@ ospf_send_dbdes(struct ospf_proto *p, struct ospf_neighbor *n) ASSERT((n->state == NEIGHBOR_EXSTART) || (n->state == NEIGHBOR_EXCHANGE)); - if (n->ifa->oa->rt == NULL) + if (!n->ifa->oa->rt && !p->gr_recovery) return; ospf_prepare_dbdes(p, n); @@ -279,6 +279,10 @@ ospf_process_dbdes(struct ospf_proto *p, struct ospf_packet *pkt, struct ospf_ne if (LSA_SCOPE(lsa_type) == LSA_SCOPE_RES) DROP1("LSA with invalid scope"); + /* RFC 3623 2.2 (2) special case - check for my router-LSA (GR recovery) */ + if ((lsa_type == LSA_T_RT) && (lsa.rt == p->router_id)) + n->got_my_rt_lsa = 1; + en = ospf_hash_find(p->gr, lsa_domain, lsa.id, lsa.rt, lsa_type); if (!en || (lsa_comp(&lsa, &(en->lsa)) == CMP_NEWER)) { |