From: Hans Dedecker <dedeckeh@gmail.com>
Date: Thu, 9 Mar 2017 16:33:00 +0000 (+0100)
Subject: interface-ip: set prefix indicator flag when IPv6 prefix lifetime changes
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=a03216660797173fbe67866f75564e3fec9c1e8d

interface-ip: set prefix indicator flag when IPv6 prefix lifetime changes

Trigger interface update event when IPv6 prefix lifetime changes by setting
the prefix indicator flag to inform external subsystems (eg hnetd) about IPv6
prefix lifetime changes.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
---

diff --git a/interface-ip.c b/interface-ip.c
index ddca5d2..dd4e01c 100644
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -1047,6 +1047,10 @@ interface_update_prefix(struct vlist_tree *tree,
 		list_for_each_entry(c, &prefix_new->assignments, head)
 			if ((iface = vlist_find(&interfaces, c->name, iface, node)))
 				interface_set_prefix_address(c, prefix_new, iface, true);
+
+		if (prefix_new->preferred_until != prefix_old->preferred_until ||
+				prefix_new->valid_until != prefix_old->valid_until)
+			ip->iface->updated |= IUF_PREFIX;
 	} else if (node_new) {
 		// Set null-route to avoid routing loops
 		system_add_route(NULL, &route);