diff options
Diffstat (limited to 'proto/ospf/rt.c')
-rw-r--r-- | proto/ospf/rt.c | 76 |
1 files changed, 40 insertions, 36 deletions
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index 4b512ff2..2ca1b36e 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -404,14 +404,15 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */ nf->metric=met; nf->metric2=met2; nf->tag=tag; - if(nnhi!=NULL) + + if(ipa_compare(nnh,ipa_from_u32(0))!=0) { nf->nh=nnh; nf->nhi=nnhi; } else { - if(absr->nhi==NULL) + if(ipa_compare(absr->nh,ipa_from_u32(0))==0) { struct ospf_neighbor *neigh; @@ -559,59 +560,62 @@ calc_next_hop(struct top_hash_entry *par, struct top_hash_entry *en, struct proto *p=&oa->po->proto; struct proto_ospf *po=oa->po; struct ospf_iface *ifa; + u32 myrid=p->cf->global->router_id; + DBG(" Next hop called\n"); if(ipa_to_u32(par->nh)==0) { neighbor *nn; - DBG(" Next hop calculating for id: %I rt: %I type: %u\n",en->lsa.id,en->lsa.rt,en->lsa.type); - if(par->lsa.type!=LSA_T_RT) - { - if((neigh=find_neigh_noifa(po,en->lsa.rt))==NULL) return; - nn=neigh_find(p,&neigh->ip,0); - DBG(" Next hop calculated: %I.\n", nn->addr); - en->nh=nn->addr; - en->nhi=nn->iface; - return; - } - else + DBG(" Next hop calculating for id: %I rt: %I type: %u\n", + en->lsa.id,en->lsa.rt,en->lsa.type); + + if(par==oa->rt) { - if(par==oa->rt) + if(en->lsa.type==LSA_T_NET) { - if(en->lsa.type==LSA_T_NET) + if(en->lsa.rt==myrid) { - struct ospf_lsa_net *ne; - ne=en->lsa_body; - - DBG("I'm parent (Net=%I)\n",(en->lsa.id & ipa_to_u32(ne->netmask))); - - WALK_LIST(ifa, oa->po->iface_list) - { - if(ipa_to_u32(ipa_and(ifa->iface->addr->ip, - ipa_mkmask(ifa->iface->addr->pxlen))) == - (en->lsa.id & ipa_to_u32(ne->netmask))) + WALK_LIST(ifa,po->iface_list) + if(ipa_compare(ifa->iface->addr->ip,ipa_from_u32(en->lsa.id))==0) { en->nhi=ifa->iface; - en->nh=ipa_from_u32(0); - DBG("Ifa: %s\n",en->nhi->name); return; } - } + bug("I didn't find interface for my self originated LSA!\n"); } else { - if((neigh=find_neigh_noifa(po,par->lsa.rt))==NULL) return; - nn=neigh_find(p,&neigh->ip,0); - en->nh=ipa_from_u32(0); - en->nhi=nn->iface; + ip_addr ip=ipa_from_u32(en->lsa.id); + nn=neigh_find(p,&ip,0); + if(nn) en->nhi=nn->iface; + return; } + } + else + { + if((neigh=find_neigh_noifa(po,en->lsa.rt))==NULL) return; + en->nhi=neigh->ifa->iface; return; } - + } + + if(par->lsa.type==LSA_T_NET) + { + if(en->lsa.type==LSA_T_NET) bug("Parent for net is net?"); + en->nhi=par->nhi; + if((neigh=find_neigh_noifa(po,en->lsa.rt))==NULL) return; + en->nh=neigh->ip; + return; + } + else + { if((neigh=find_neigh_noifa(po,par->lsa.rt))==NULL) return; nn=neigh_find(p,&neigh->ip,0); - DBG(" Next hop calculated: %I\n", nn->addr); - en->nh=nn->addr; - en->nhi=nn->iface; + if(nn) + { + en->nhi=nn->iface; + en->nh=neigh->ip; + } return; } } |