diff options
Diffstat (limited to 'proto/ospf')
| -rw-r--r-- | proto/ospf/rt.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index f7397c1..743b585 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -318,10 +318,11 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ WALK_LIST(atmp,po->area_list) { - if((nf=fib_find(&atmp->infib,&ip, mlen))!=NULL) continue; - /* Some intra area path exists */ + if((nf=fib_find(&atmp->infib,&ip, mlen))!=NULL) break; } + if(nf!=NULL) continue; /* Some intra area path exists */ + absr=NULL; absroa=NULL; nnhi=NULL; @@ -329,7 +330,10 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ met=0;met2=0;tag=0; - WALK_LIST(atmp,po->area_list) + WALK_LIST(atmp,po->area_list) /* + * Find shortest path + * to advertising router + */ { if((etmp=ospf_hash_find(atmp->gr,en->lsa.rt,en->lsa.rt,LSA_T_RT))!=NULL) { @@ -344,13 +348,13 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ } if((absr==NULL)||(absr->dist==LSINFINITY)) { - DBG("ABSR is null or its dist=INF\n"); + DBG("ASBR is null or its dist=INF\n"); continue; } if(ipa_compare(lt->fwaddr,ipa_from_u32(0))==0) { - if(lt->etos>0) + if(lt->etos>0) /* FW address == 0 */ { met=absr->dist; met2=lt->metric; @@ -364,7 +368,7 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ } else { - nf=NULL; + nf=NULL; /* FW address !=0 */ WALK_LIST(atmp,po->area_list) { if((nf=fib_route(&atmp->infib,lt->fwaddr,32))!=NULL) @@ -396,12 +400,21 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ nnh=nn->addr; nnhi=nn->iface; } + else + { + nnh=nf->nh; + nnhi=nf->nhi; + } + } nf=fib_get(ef,&ip, mlen); - if(((nf->metric>met)&&(nf->metric2==met2)) || /* both E1 or E2 with same metric */ - ((nf->metric2>met2)&&(nf->metric2!=LSINFINITY)) || /* E2 smaller and 1st is not E1 */ - ((nf->metric2==LSINFINITY)&&(met2!=LSINFINITY))) /* 2nd is E1 and 1st is E2 */ + if(((nf->metric>met)&&(nf->metric2==met2)) || /* both E1 or E2 + * with same metric */ + ((nf->metric2>met2)&&(nf->metric2!=LSINFINITY)) || /* E2 smaller and + * 1st is not E1 */ + ((nf->metric2!=LSINFINITY)&&(met2==LSINFINITY))) /* 2nd is E1 and + * 1st is E2 */ { nf->metric=met; nf->metric2=met2; |