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Listening on AllDRouters for DR and BACKUP added.

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This commit is contained in:
Ondrej Filip 2000-04-17 21:10:40 +00:00
parent 38130b863f
commit 2a0925948d
2 changed files with 34 additions and 1 deletions
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34
proto/ospf/iface.c
View file

@ -17,6 +17,37 @@ iface_chstate(struct ospf_iface *ifa, u8 state)
debug("%s: Changing state of iface: %s from %u into %u.\n", debug("%s: Changing state of iface: %s from %u into %u.\n",
p->name, ifa->iface->name, ifa->state, state); p->name, ifa->iface->name, ifa->state, state);
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 void
@ -101,7 +132,7 @@ ospf_open_mc_socket(struct ospf_iface *ifa)
p=(struct proto *)(ifa->proto); p=(struct proto *)(ifa->proto);
/* FIXME: No NBMA networks now */ /* FIXME: No NBMA and PTP networks */
if(ifa->iface->flags & IF_MULTICAST) 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); log("%s: Ignoring this interface\n", p->name);
return; return;
} }
ifa->dr_sk=NULL;
if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL) if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL)
{ {

1
proto/ospf/ospf.h
View file

@ -56,6 +56,7 @@ struct ospf_iface {
struct ospf_area *oa; struct ospf_area *oa;
u32 an; /* Area number */ u32 an; /* Area number */
sock *hello_sk; /* Hello socket */ sock *hello_sk; /* Hello socket */
sock *dr_sk; /* For states DR or BACKUP */
sock *ip_sk; /* IP socket (for DD ...) */ sock *ip_sk; /* IP socket (for DD ...) */
list neigh_list; /* List of neigbours */ list neigh_list; /* List of neigbours */
u16 cost; /* Cost of iface */ u16 cost; /* Cost of iface */