xnu-4570.1.46.tar.gz

[apple/xnu.git] / bsd / netinet / in_tclass.h

diff --git a/bsd/netinet/in_tclass.h b/bsd/netinet/in_tclass.h
index 430de9f2756b4a3583c46c1e6e2a17a05dec8208..d42713162a2cae0b8bb81b4fb239ff3c8d9f5fe5 100644 (file)
--- a/bsd/netinet/in_tclass.h
+++ b/bsd/netinet/in_tclass.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2015-2017 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -64,6 +64,29 @@ struct so_tcdbg {
 #define        NET_QOS_MARKING_POLICY_ENABLE QOS_MODE_MARKING_POLICY_ENABLE /* obsolete, to be removed */
 #define        NET_QOS_MARKING_POLICY_DISABLE QOS_MODE_MARKING_POLICY_DISABLE /* obsolete, to be removed */
 
+struct net_qos_param {
+       u_int64_t nq_transfer_size;     /* transfer size in bytes */
+       u_int32_t nq_use_expensive:1,   /* allowed = 1 otherwise 0 */
+                 nq_uplink:1;          /* uplink = 1 otherwise 0 */
+       u_int32_t nq_unused;            /* for future expansion */
+};
+
+#ifndef KERNEL
+
+/*
+ * Returns whether a large upload or download transfer should be marked as
+ * BK service type for network activity. This is a system level
+ * hint/suggestion to classify application traffic based on statistics
+ * collected from the current network attachment
+ *
+ *     @param  param   transfer parameters
+ *     @param  param_len parameter length
+ *     @return returns 1 for BK and 0 for default
+ */
+extern int net_qos_guideline(struct net_qos_param *param, size_t param_len);
+
+#endif /* !KERNEL */
+
 #ifdef BSD_KERNEL_PRIVATE
 
 extern int net_qos_policy_restricted;