X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..c3c9b80d004dbbfdf763edeb97968c6997e3b45b:/bsd/netinet/ip_ecn.h

diff --git a/bsd/netinet/ip_ecn.h b/bsd/netinet/ip_ecn.h
index ae06c45c0..846f47860 100644
--- a/bsd/netinet/ip_ecn.h
+++ b/bsd/netinet/ip_ecn.h
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2013, 2015 Apple Inc. All rights reserved.
  *
  * @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
@@ -11,10 +11,10 @@
  * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
@@ -61,10 +61,10 @@
 #include <sys/appleapiopts.h>
 
 #ifdef BSD_KERNEL_PRIVATE
-#define ECN_ALLOWED	1	/* ECN allowed */
-#define ECN_FORBIDDEN	0	/* ECN forbidden */
-#define ECN_NOCARE	(-1)	/* no consideration to ECN */
+#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 *);
+extern int ip_ecn_egress(int, const u_int8_t *, u_int8_t *);
 #endif /* BSD_KERNEL_PRIVATE */