xnu-4570.1.46.tar.gz

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

diff --git a/bsd/netinet/ip_ecn.h b/bsd/netinet/ip_ecn.h
index 49acd08e85ff4ecfb795ec1729154f0666d5f752..959a8e24d495277a512130fd90e2ea051fb33be2 100644 (file)
--- a/bsd/netinet/ip_ecn.h
+++ b/bsd/netinet/ip_ecn.h
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013, 2015 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (C) 1999 WIDE Project.
@@ -55,11 +60,11 @@
  */
 #include <sys/appleapiopts.h>
 
-#ifdef KERNEL_PRIVATE
-#define ECN_ALLOWED    1       /* ECN allowed */
-#define ECN_FORBIDDEN  0       /* ECN forbidden */
-#define ECN_NOCARE     (-1)    /* no consideration to ECN */
+#ifdef BSD_KERNEL_PRIVATE
+#define ECN_NORMAL             1       /* ECN normal mode */
+#define ECN_COMPATIBILITY      0       /* ECN comptability mode */
+#define ECN_NOCARE             (-1)    /* Ignore ECN. Use caution with this mode. */
 
 extern void ip_ecn_ingress(int, u_int8_t *, const u_int8_t *);
-extern void ip_ecn_egress(int, const u_int8_t *, u_int8_t *);
-#endif KERNEL_PRIVATE
+extern int ip_ecn_egress(int, const u_int8_t *, u_int8_t *);
+#endif /* BSD_KERNEL_PRIVATE */