add an interface for notifying protocol handlers of state changes via ubus

diff --git a/proto.h b/proto.h
index e066b43d8d48cf32d192b353ea73167bc8c84db6..c1b97b267e1bcaf892c7108666c009b2bc659ec0 100644 (file)
--- a/proto.h
+++ b/proto.h
@@ -28,6 +28,7 @@ struct interface_proto_state {
        void (*proto_event)(struct interface_proto_state *, enum interface_proto_event ev);
 
        /* filled in by the protocol handler */
+       int (*notify)(struct interface_proto_state *, struct blob_attr *data);
        int (*cb)(struct interface_proto_state *, enum interface_proto_cmd cmd, bool force);
        void (*free)(struct interface_proto_state *);
 };

diff --git a/ubus.c b/ubus.c
index c8f178ccf015a3b57ddd8409266e6f529b6a81f0..a8d3e3ccbcee9ea3d6ba33e722215201d0748191 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -2,6 +2,7 @@
 
 #include "netifd.h"
 #include "interface.h"
+#include "proto.h"
 #include "ubus.h"
 
 static struct ubus_context *ctx = NULL;
@@ -241,6 +242,21 @@ netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 }
 
 
+static int
+netifd_iface_notify_proto(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);
+
+       if (!iface->proto || !iface->proto->notify)
+               return UBUS_STATUS_NOT_SUPPORTED;
+
+       return iface->proto->notify(iface->proto, msg);
+}
+
 static struct ubus_method iface_object_methods[] = {
        { .name = "up", .handler = netifd_handle_up },
        { .name = "down", .handler = netifd_handle_down },
@@ -249,6 +265,7 @@ static struct ubus_method iface_object_methods[] = {
          .policy = dev_policy, .n_policy = __DEV_MAX_NOFORCE },
        { .name = "remove_device", .handler = netifd_iface_handle_device,
          .policy = dev_policy, .n_policy = __DEV_MAX_NOFORCE },
+       { .name = "notify_proto", .handler = netifd_iface_notify_proto },
 };
 
 static struct ubus_object_type iface_object_type =