diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index ec546da..d98cdfb 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -204,6 +204,8 @@ int netvsc_recv_callback(struct net_device *net,
 			 const struct ndis_pkt_8021q_info *vlan);
 void netvsc_channel_cb(void *context);
 int netvsc_poll(struct napi_struct *napi, int budget);
+
+void rndis_set_subchannel(struct work_struct *w);
 bool rndis_filter_opened(const struct netvsc_device *nvdev);
 int rndis_filter_open(struct netvsc_device *nvdev);
 int rndis_filter_close(struct netvsc_device *nvdev);
@@ -782,6 +784,7 @@ struct netvsc_device {
 	u32 num_chn;
 
 	atomic_t open_chn;
+	struct work_struct subchan_work;
 	wait_queue_head_t subchan_open;
 
 	struct rndis_device *extension;