diff options
Diffstat (limited to 'proto/ospf/hello.c')
-rw-r--r-- | proto/ospf/hello.c | 80 |
1 files changed, 55 insertions, 25 deletions
diff --git a/proto/ospf/hello.c b/proto/ospf/hello.c index 3e4bfff..21cd1ea 100644 --- a/proto/ospf/hello.c +++ b/proto/ospf/hello.c @@ -194,39 +194,69 @@ hello_timer_hook(timer *timer) /* First a common packet header */ if(ifa->type!=OSPF_IT_NBMA) { - /* Now fill ospf_hello header */ pkt=(struct ospf_hello_packet *)(ifa->hello_sk->tbuf); - op=(struct ospf_packet *)pkt; - - fill_ospf_pkt_hdr(ifa, pkt, HELLO_P); - - pkt->netmask=ipa_mkmask(ifa->iface->addr->pxlen); - ipa_hton(pkt->netmask); - pkt->helloint=ntohs(ifa->helloint); - pkt->options=ifa->options; - pkt->priority=ifa->priority; - pkt->deadint=htonl(ifa->deadc*ifa->helloint); - pkt->dr=htonl(ifa->drid); - pkt->bdr=htonl(ifa->bdrid); - - /* Fill all neighbors */ - i=0; - pp=(u32 *)(((u8 *)pkt)+sizeof(struct ospf_hello_packet)); - WALK_LIST (neigh, ifa->neigh_list) - { - *(pp+i)=htonl(neigh->rid); - i++; - } + } + else + { + pkt=(struct ospf_hello_packet *)(ifa->ip_sk->tbuf); + } - length=sizeof(struct ospf_hello_packet)+i*sizeof(u32); - op->length=htons(length); + /* Now fill ospf_hello header */ + op=(struct ospf_packet *)pkt; - ospf_pkt_finalize(ifa, op); + fill_ospf_pkt_hdr(ifa, pkt, HELLO_P); + + pkt->netmask=ipa_mkmask(ifa->iface->addr->pxlen); + ipa_hton(pkt->netmask); + pkt->helloint=ntohs(ifa->helloint); + pkt->options=ifa->options; + pkt->priority=ifa->priority; + pkt->deadint=htonl(ifa->deadc*ifa->helloint); + pkt->dr=htonl(ifa->drid); + pkt->bdr=htonl(ifa->bdrid); + + /* Fill all neighbors */ + i=0; + pp=(u32 *)(((u8 *)pkt)+sizeof(struct ospf_hello_packet)); + WALK_LIST (neigh, ifa->neigh_list) + { + *(pp+i)=htonl(neigh->rid); + i++; + } + + length=sizeof(struct ospf_hello_packet)+i*sizeof(u32); + op->length=htons(length); + + ospf_pkt_finalize(ifa, op); /* And finally send it :-) */ + if(ifa->type!=OSPF_IT_NBMA) + { sk_send(ifa->hello_sk,length); } + else /* NBMA */ + { + list n_list; + struct ospf_neighbor *n1; + struct nbma_node *nb; + int send; + init_list(&n_list); + WALK_LIST(nb,ifa->nbma_list) + { + send=1; + WALK_LIST(n1, ifa->neigh_list) + { + if(ipa_compare(nb->ip,n1->ip)==0) + { + send=0; + break; + } + } + if(send) sk_send_to(ifa->ip_sk, length, nb->ip, OSPF_PROTO); + } + sk_send_to_agt(ifa->ip_sk, length, ifa, NEIGHBOR_DOWN); + } debug("%s: Hello sent via %s\n",p->name,ifa->iface->name); } |