patch-2.4.23 linux-2.4.23/net/ipv6/ndisc.c

• Lines: 53
• Date: 2003-11-28 10:26:21.000000000 -0800
• Orig file: linux-2.4.22/net/ipv6/ndisc.c
• Orig date: 2003-08-25 04:44:44.000000000 -0700

diff -urN linux-2.4.22/net/ipv6/ndisc.c linux-2.4.23/net/ipv6/ndisc.c
@@ -944,6 +944,17 @@
 		in6_dev->if_flags |= IF_RA_RCVD;
 	}
 
+	/*
+	 * Remember the managed/otherconf flags from most recently
+	 * received RA message (RFC 2462) -- yoshfuji
+	 */
+	in6_dev->if_flags = (in6_dev->if_flags & ~(IF_RA_MANAGED |
+				IF_RA_OTHERCONF)) |
+				(ra_msg->icmph.icmp6_addrconf_managed ?
+					IF_RA_MANAGED : 0) |
+				(ra_msg->icmph.icmp6_addrconf_other ?
+					IF_RA_OTHERCONF : 0);
+
 	lifetime = ntohs(ra_msg->icmph.icmp6_rt_lifetime);
 
 	rt = rt6_get_dflt_router(&skb->nh.ipv6h->saddr, skb->dev);
@@ -1336,6 +1347,26 @@
 	return 0;
 }
 
+static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+	struct net_device *dev = ptr;
+
+	switch (event) {
+	case NETDEV_CHANGEADDR:
+		neigh_changeaddr(&nd_tbl, dev);
+		fib6_run_gc(0);
+		break;
+	default:
+		break;
+	}
+
+	return NOTIFY_DONE;
+}
+
+struct notifier_block ndisc_netdev_notifier = {
+	.notifier_call = ndisc_netdev_event,
+};
+
 int __init ndisc_init(struct net_proto_family *ops)
 {
 	struct sock *sk;
@@ -1377,6 +1408,7 @@
 	neigh_sysctl_register(NULL, &nd_tbl.parms, NET_IPV6, NET_IPV6_NEIGH, "ipv6");
 #endif
 
+	register_netdevice_notifier(&ndisc_netdev_notifier);
 	return 0;
 }