From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 12 Apr 2017 02:31:12 +0200
Subject: netifd: ubus: add interface method to trigger renew event

diff --git a/package/network/config/netifd/patches/0001-ubus-add-interface-method-to-trigger-renew-event.patch b/package/network/config/netifd/patches/0001-ubus-add-interface-method-to-trigger-renew-event.patch
new file mode 100644
index 0000000000000000000000000000000000000000..1f59498d421b7e1d3e76a1a38f604181d11c4649
--- /dev/null
+++ b/package/network/config/netifd/patches/0001-ubus-add-interface-method-to-trigger-renew-event.patch
@@ -0,0 +1,73 @@
+From 8b39c2fce4c1da3f3dcd4c6fd305c124714839e8 Mon Sep 17 00:00:00 2001
+Message-Id: <8b39c2fce4c1da3f3dcd4c6fd305c124714839e8.1491956920.git.mschiffer@universe-factory.net>
+From: Matthias Schiffer <mschiffer@universe-factory.net>
+Date: Wed, 12 Apr 2017 02:25:33 +0200
+Subject: [PATCH] ubus: add interface method to trigger renew event
+
+proto-shell handlers may implement all kinds of renew handlers, there
+should be a way to explicitly trigger such a renew.
+
+Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
+---
+ interface.c |  8 ++++++++
+ interface.h |  1 +
+ ubus.c      | 14 ++++++++++++++
+ 3 files changed, 23 insertions(+)
+
+--- a/interface.c
++++ b/interface.c
+@@ -1076,6 +1076,14 @@ interface_set_down(struct interface *ifa
+ 	return 0;
+ }
+ 
++int interface_renew(struct interface *iface)
++{
++	if (iface->state == IFS_TEARDOWN || iface->state == IFS_DOWN)
++		return -1;
++
++	return interface_proto_event(iface->proto, PROTO_CMD_RENEW, false);
++}
++
+ void
+ interface_start_pending(void)
+ {
+--- a/interface.h
++++ b/interface.h
+@@ -184,6 +184,7 @@ void interface_set_available(struct inte
+ int interface_set_up(struct interface *iface);
+ int interface_set_down(struct interface *iface);
+ void __interface_set_down(struct interface *iface, bool force);
++int interface_renew(struct interface *iface);
+ 
+ void interface_set_main_dev(struct interface *iface, struct device *dev);
+ void interface_set_l3_dev(struct interface *iface, struct device *dev);
+--- a/ubus.c
++++ b/ubus.c
+@@ -376,6 +376,19 @@ netifd_handle_down(struct ubus_context *
+ 	return 0;
+ }
+ 
++static int
++netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
++		   struct ubus_request_data *req, const char *method,
++		   struct blob_attr *msg)
++{
++	struct interface *iface;
++
++	iface = container_of(obj, struct interface, ubus);
++	interface_renew(iface);
++
++	return 0;
++}
++
+ static void
+ netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
+ {
+@@ -912,6 +925,7 @@ netifd_handle_set_data(struct ubus_conte
+ static struct ubus_method iface_object_methods[] = {
+ 	{ .name = "up", .handler = netifd_handle_up },
+ 	{ .name = "down", .handler = netifd_handle_down },
++	{ .name = "renew", .handler = netifd_handle_renew },
+ 	{ .name = "status", .handler = netifd_handle_status },
+ 	{ .name = "prepare", .handler = netifd_handle_iface_prepare },
+ 	{ .name = "dump", .handler = netifd_handle_dump },