netifd: ubus: add interface method to trigger renew event

patches/lede/0012-netifd-ubus-add-interface-method-to-trigger-renew-event.patch

+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 },