diff options
Diffstat (limited to 'proto/ospf/topology.c')
-rw-r--r-- | proto/ospf/topology.c | 224 |
1 files changed, 121 insertions, 103 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c index aa6ef69..04af6de 100644 --- a/proto/ospf/topology.c +++ b/proto/ospf/topology.c @@ -51,97 +51,96 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length, struct proto_ospf *p) WALK_LIST (ifa, p->iface_list) { - if((ifa->an==oa->areaid) && (ifa->state!=OSPF_IS_DOWN)) + if((ifa->an!=oa->areaid) || (ifa->state==OSPF_IS_DOWN)) continue; + + if(ifa->state==OSPF_IS_LOOP) { - if(ifa->state==OSPF_IS_LOOP) - { - ln->type=3; - ln->id=ipa_to_u32(ifa->iface->addr->ip); - ln->data=0xffffffff; - ln->metric=0; - ln->notos=0; - } - else + ln->type=3; + ln->id=ipa_to_u32(ifa->iface->addr->ip); + ln->data=0xffffffff; + ln->metric=0; + ln->notos=0; + } + else + { + switch(ifa->type) { - switch(ifa->type) - { - case OSPF_IT_PTP: /* rfc2328 - pg126 */ - neigh=(struct ospf_neighbor *)HEAD(ifa->neigh_list); - if((!EMPTY_LIST(ifa->neigh_list)) && (neigh->state==NEIGHBOR_FULL)) - { - ln->type=LSART_PTP; - ln->id=neigh->rid; - ln->metric=ifa->cost; - ln->notos=0; - if(ifa->iface->flags && IA_UNNUMBERED) - { - ln->data=ifa->iface->index; - } - else - { - ln->id=ipa_to_u32(ifa->iface->addr->ip); - } - } - else - { - if(ifa->state==OSPF_IS_PTP) - { - ln->type=LSART_STUB; - ln->id=ln->id=ipa_to_u32(ifa->iface->addr->opposite); - ln->metric=ifa->cost; - ln->notos=0; - ln->data=0xffffffff; - } - else - { - i--; /* No link added */ - } - } - break; - case OSPF_IT_BCAST: - case OSPF_IT_NBMA: - if(ifa->state==OSPF_IS_WAITING) + case OSPF_IT_PTP: /* rfc2328 - pg126 */ + neigh=(struct ospf_neighbor *)HEAD(ifa->neigh_list); + if((!EMPTY_LIST(ifa->neigh_list)) && (neigh->state==NEIGHBOR_FULL)) + { + ln->type=LSART_PTP; + ln->id=neigh->rid; + ln->metric=ifa->cost; + ln->notos=0; + if(ifa->iface->flags && IA_UNNUMBERED) + { + ln->data=ifa->iface->index; + } + else + { + ln->id=ipa_to_u32(ifa->iface->addr->ip); + } + } + else + { + if(ifa->state==OSPF_IS_PTP) { ln->type=LSART_STUB; - ln->id=ipa_to_u32(ifa->iface->addr->prefix); - ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); + ln->id=ln->id=ipa_to_u32(ifa->iface->addr->opposite); ln->metric=ifa->cost; ln->notos=0; + ln->data=0xffffffff; } - else + else { - j=0,k=0; - WALK_LIST(neigh, ifa->neigh_list) - { - if((neigh->rid==ifa->drid) && - (neigh->state==NEIGHBOR_FULL)) k=1; - if(neigh->state==NEIGHBOR_FULL) j=1; - } - if(((ifa->state==OSPF_IS_DR) && (j==1)) || (k==1)) - { - ln->type=LSART_NET; - ln->id=ipa_to_u32(ifa->drip); - ln->data=ipa_to_u32(ifa->iface->addr->ip); - ln->metric=ifa->cost; - ln->notos=0; - } - else - { - ln->type=LSART_STUB; - ln->id=ipa_to_u32(ifa->iface->addr->prefix); - ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); - ln->metric=ifa->cost; - ln->notos=0; - } + i--; /* No link added */ } - break; - case OSPF_IT_VLINK: /* FIXME Add virtual links! */ - i--; - break; - } + } + break; + case OSPF_IT_BCAST: + case OSPF_IT_NBMA: + if(ifa->state==OSPF_IS_WAITING) + { + ln->type=LSART_STUB; + ln->id=ipa_to_u32(ifa->iface->addr->prefix); + ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); + ln->metric=ifa->cost; + ln->notos=0; + } + else + { + j=0,k=0; + WALK_LIST(neigh, ifa->neigh_list) + { + if((neigh->rid==ifa->drid) && + (neigh->state==NEIGHBOR_FULL)) k=1; + if(neigh->state==NEIGHBOR_FULL) j=1; + } + if(((ifa->state==OSPF_IS_DR) && (j==1)) || (k==1)) + { + ln->type=LSART_NET; + ln->id=ipa_to_u32(ifa->drip); + ln->data=ipa_to_u32(ifa->iface->addr->ip); + ln->metric=ifa->cost; + ln->notos=0; + } + else + { + ln->type=LSART_STUB; + ln->id=ipa_to_u32(ifa->iface->addr->prefix); + ln->data=ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); + ln->metric=ifa->cost; + ln->notos=0; + } + } + break; + case OSPF_IT_VLINK: /* FIXME Add virtual links! */ + i--; + break; } - if(ifa->type==OSPF_IT_VLINK) v=1; } + if(ifa->type==OSPF_IT_VLINK) v=1; ln=(ln+1); } rt->links=i; @@ -155,11 +154,13 @@ addifa_rtlsa(struct ospf_iface *ifa) { struct ospf_area *oa; struct proto_ospf *po=ifa->proto; + struct proto *p=&po->proto; u32 rtid; struct top_graph_rtlsa_link *li, *lih; + struct ospf_config *c=(struct ospf_config *)(p->cf); + struct ospf_area_config *ac=NULL,*a; rtid=po->proto.cf->global->router_id; - DBG("%s: New OSPF area \"%d\" adding.\n", po->proto.name, ifa->an); oa=NULL; @@ -171,29 +172,46 @@ addifa_rtlsa(struct ospf_iface *ifa) if(EMPTY_LIST(po->area_list) || (oa->areaid!=ifa->an)) /* New area */ { struct ospf_lsa_header *lsa; + DBG("%s: New OSPF area \"%d\" adding.\n", po->proto.name, ifa->an); + WALK_LIST(a,c->area_list) + { + if(a->areaid==ifa->an) + { + ac=a; + break; + } + } - oa=mb_allocz(po->proto.pool, sizeof(struct ospf_area)); - add_tail(&po->area_list,NODE oa); - oa->areaid=ifa->an; - oa->gr=ospf_top_new(po); - s_init_list(&(oa->lsal)); - oa->rt=NULL; - oa->po=po; - oa->disp_timer=tm_new(po->proto.pool); - oa->disp_timer->data=oa; - oa->disp_timer->randomize=0; - oa->disp_timer->hook=area_disp; - oa->disp_timer->recurrent=DISPTICK; - oa->lage=now; - tm_start(oa->disp_timer,DISPTICK); - oa->calcrt=1; - oa->origrt=0; - fib_init(&oa->infib,po->proto.pool,sizeof(struct infib),16,init_infib); - /* FIXME 16?? (Oh, sweet 16.... :-) */ - po->areano++; - DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an); - ifa->oa=oa; - schedule_rt_lsa(oa); + if(ac) + { + oa=mb_allocz(po->proto.pool, sizeof(struct ospf_area)); + add_tail(&po->area_list,NODE oa); + oa->areaid=ifa->an; + oa->stub=ac->stub; + oa->tick=ac->tick; + oa->gr=ospf_top_new(po); + s_init_list(&(oa->lsal)); + oa->rt=NULL; + oa->po=po; + oa->disp_timer=tm_new(po->proto.pool); + oa->disp_timer->data=oa; + oa->disp_timer->randomize=0; + oa->disp_timer->hook=area_disp; + oa->disp_timer->recurrent=oa->tick; + oa->lage=now; + tm_start(oa->disp_timer,oa->tick); + oa->calcrt=1; + oa->origrt=0; + fib_init(&oa->infib,po->proto.pool,sizeof(struct infib),16,init_infib); + po->areano++; + DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->an); + ifa->oa=oa; + schedule_rt_lsa(oa); + } + else + { + bug("I didn't find area for interface.\n"); + } } else ifa->oa=oa; } |