diff options
| -rw-r--r-- | proto/ospf/iface.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c index 603525c..b0bb62a 100644 --- a/proto/ospf/iface.c +++ b/proto/ospf/iface.c @@ -11,44 +11,46 @@ char *ospf_is[]={ "down", "loop", "waiting", "point-to-point", "drother", "backup", "dr" }; - void iface_chstate(struct ospf_iface *ifa, u8 state) { struct proto *p; - p=(struct proto *)(ifa->proto); - debug("%s: Changing state of iface: %s from \"%s\" into \"%s\".\n", - p->name, ifa->iface->name, ospf_is[ifa->state], ospf_is[state]); - ifa->state=state; - if(ifa->iface->flags & IF_MULTICAST) + if(ifa->state!=state) { - if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR)) + p=(struct proto *)(ifa->proto); + debug("%s: Changing state of iface: %s from \"%s\" into \"%s\".\n", + p->name, ifa->iface->name, ospf_is[ifa->state], ospf_is[state]); + ifa->state=state; + if(ifa->iface->flags & IF_MULTICAST) { - if(ifa->dr_sk==NULL) + if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR)) { - 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); + 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) + else { - sk_close(ifa->dr_sk); - rfree(ifa->dr_sk); + if(ifa->dr_sk!=NULL) + { + sk_close(ifa->dr_sk); + rfree(ifa->dr_sk); + } } } } |