diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 4af51a3..79c4aa7 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -235,6 +235,7 @@
 #define VMBUS_CHANNEL_LOOPBACK_OFFER			0x100
 #define VMBUS_CHANNEL_PARENT_OFFER			0x200
 #define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION	0x400
+#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER		0x2000
 
 struct vmpacket_descriptor {
 	u16 type;
@@ -795,6 +796,12 @@
 	enum hv_signal_policy  signal_policy;
 };
 
+static inline bool is_hvsock_channel(const struct vmbus_channel *c)
+{
+	return !!(c->offermsg.offer.chn_flags &
+		  VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER);
+}
+
 static inline void set_channel_signal_state(struct vmbus_channel *c,
 					    enum hv_signal_policy policy)
 {