diff options
Diffstat (limited to 'proto/ospf')
| -rw-r--r-- | proto/ospf/lsupd.c | 55 | ||||
| -rw-r--r-- | proto/ospf/lsupd.h | 2 |
2 files changed, 32 insertions, 25 deletions
diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c index f52e1b1d..199a5e98 100644 --- a/proto/ospf/lsupd.c +++ b/proto/ospf/lsupd.c @@ -14,7 +14,7 @@ ospf_lsupd_tx(struct ospf_neighbor *n) /* FIXME Go on! */ } -void +int flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, struct ospf_lsa_header *hh, struct proto_ospf *po, struct ospf_iface *iff, struct ospf_area *oa) @@ -22,7 +22,7 @@ flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, struct ospf_iface *ifa; struct ospf_neighbor *nn; struct top_hash_entry *en; - int ret; + int ret,retval=0; /* pg 148 */ WALK_LIST(NODE ifa,po->iface_list) @@ -83,7 +83,8 @@ flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, if(ifa==iff) { if((n->rid==iff->drid)||n->rid==iff->bdrid) continue; - if(iff->state=OSPF_IS_BACKUP) continue; + if(iff->state==OSPF_IS_BACKUP) continue; + retval=1; } /* FIXME directly flood */ { @@ -132,6 +133,7 @@ flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, } } } + return retval; } void /* I send all I received in LSREQ */ @@ -270,11 +272,11 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p, if((ntmp->state==NEIGHBOR_EXCHANGE)&& (ntmp->state==NEIGHBOR_LOADING)) flag=1; + DBG("PG143(4): Flag=%u\n",flag); if(flag==0) { ospf_lsack_direct_tx(n,lsa); - continue; } } @@ -284,11 +286,19 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p, struct ospf_iface *ift=NULL; void *body; + DBG("PG143(5): Received LSA is newer\n"); /* pg 144 (5a) */ if(lsadb && ((lsadb->inst_t-now)<MINLSARRIVAL)) continue; - flood_lsa(n,lsa,&lsatmp,po,ifa,ifa->oa); + if(flood_lsa(n,lsa,&lsatmp,po,ifa,ifa->oa)==0) + { + if(ifa->state==OSPF_IS_BACKUP) + { + if(ifa->drid==n->rid) ospf_lsa_delay(n, lsa, p); + } + else ospf_lsa_delay(n, lsa, p); + } /* Remove old from all ret lists */ /* pg 144 (5c) */ @@ -312,11 +322,6 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p, lsadb=lsa_install_new(&lsatmp,body, oa); DBG("New LSA installed in DB\n"); - if(ifa->state==OSPF_IS_BACKUP) - { - if(ifa->drid==n->rid) ospf_lsa_delay(n, lsa, p); - } - else if(ifa->drid==n->rid) ospf_lsa_delay(n, lsa, p); /* FIXME 145 (5f) self originated? */ continue; @@ -327,20 +332,22 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p, /* pg145 (7) */ if(lsa_comp(&lsatmp,&lsadb->lsa)==CMP_SAME) { - struct top_hash_entry *en; - if((en=ospf_hash_find_header(n->lsrth,&lsadb->lsa))!=NULL) - { - s_rem_node(SNODE en); - if(ifa->state==OSPF_IS_BACKUP) - { - if(n->rid==ifa->drid) ospf_lsa_delay(n, lsa, p); - } - } - else - { - ospf_lsack_direct_tx(n,lsa); - } - continue; + struct top_hash_entry *en; + DBG("PG145(6) Got the same LSA\n"); + if((en=ospf_hash_find_header(n->lsrth,&lsadb->lsa))!=NULL) + { + s_rem_node(SNODE en); + ospf_hash_delete(n->lsrth, en); + if(ifa->state==OSPF_IS_BACKUP) + { + if(n->rid==ifa->drid) ospf_lsa_delay(n, lsa, p); + } + } + else + { + ospf_lsack_direct_tx(n,lsa); + } + continue; } /* pg145 (8) */ diff --git a/proto/ospf/lsupd.h b/proto/ospf/lsupd.h index 82832aee..e0ecf097 100644 --- a/proto/ospf/lsupd.h +++ b/proto/ospf/lsupd.h @@ -14,7 +14,7 @@ void ospf_lsupd_tx(struct ospf_neighbor *n); void ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l); void ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p, struct ospf_iface *ifa, u16 size); -void flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, +int flood_lsa(struct ospf_neighbor *n, struct ospf_lsa_header *hn, struct ospf_lsa_header *hh, struct proto_ospf *po, struct ospf_iface *iff, struct ospf_area *oa); |