diff options
Diffstat (limited to 'proto/ospf/iface.c')
| -rw-r--r-- | proto/ospf/iface.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c index 2d53cf5f..8ba198f1 100644 --- a/proto/ospf/iface.c +++ b/proto/ospf/iface.c @@ -17,6 +17,37 @@ iface_chstate(struct ospf_iface *ifa, u8 state) debug("%s: Changing state of iface: %s from %u into %u.\n", p->name, ifa->iface->name, ifa->state, state); ifa->state=state; + if(ifa->iface->flags & IF_MULTICAST) + { + if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR)) + { + if(ifa->dr_sk==NULL) + { + ifa->dr_sk=sk_new(p->pool); + ifa->dr_sk->type=SK_IP_MC; + ifa->dr_sk->saddr=AllDRouters; + ifa->dr_sk->daddr=AllDRouters; + ifa->dr_sk->tos=IP_PREC_INTERNET_CONTROL; + ifa->dr_sk->ttl=1; + ifa->dr_sk->rx_hook=ospf_rx_hook; + ifa->dr_sk->tx_hook=ospf_tx_hook; + ifa->dr_sk->err_hook=ospf_err_hook; + ifa->dr_sk->iface=ifa->iface; + ifa->dr_sk->rbsize=ifa->iface->mtu; + ifa->dr_sk->tbsize=ifa->iface->mtu; + ifa->dr_sk->data=(void *)ifa; + sk_open(ifa->dr_sk); + } + } + else + { + if(ifa->dr_sk!=NULL) + { + sk_close(ifa->dr_sk); + rfree(ifa->dr_sk); + } + } + } } void @@ -101,7 +132,7 @@ ospf_open_mc_socket(struct ospf_iface *ifa) p=(struct proto *)(ifa->proto); - /* FIXME: No NBMA networks now */ + /* FIXME: No NBMA and PTP networks */ if(ifa->iface->flags & IF_MULTICAST) { @@ -287,6 +318,7 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface) log("%s: Ignoring this interface\n", p->name); return; } + ifa->dr_sk=NULL; if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL) { |