/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This 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,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_LICENSE_OSREFERENCE_HEADER_END@
*/
/*
* Copyright (C) 1999 WIDE Project.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: ip_ecn.c,v 1.3 2000/11/22 01:12:12 zarzycki Exp $
*/
/*
* ECN consideration on tunnel ingress/egress operation.
* http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt
*/
-#if defined(__FreeBSD__) && __FreeBSD__ >= 3
-#include "opt_inet.h"
-#endif
-
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/errno.h>
-#if INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
-#endif
-
#if INET6
-#ifndef INET
-#include <netinet/in.h>
-#endif
#include <netinet/ip6.h>
#endif
#include <netinet/ip_ecn.h>
+#if INET6
+#include <netinet6/ip6_ecn.h>
+#endif
/*
* modify outer ECN (TOS) field on ingress operation (tunnel encapsulation).
- * call it after you've done the default initialization/copy for the outer.
*/
void
ip_ecn_ingress(mode, outer, inner)
int mode;
u_int8_t *outer;
- u_int8_t *inner;
+ const u_int8_t *inner;
{
if (!outer || !inner)
panic("NULL pointer passed to ip_ecn_ingress");
+ *outer = *inner;
switch (mode) {
case ECN_ALLOWED: /* ECN allowed */
*outer &= ~IPTOS_CE;
/*
* modify inner ECN (TOS) field on egress operation (tunnel decapsulation).
- * call it after you've done the default initialization/copy for the inner.
*/
void
ip_ecn_egress(mode, outer, inner)
int mode;
- u_int8_t *outer;
+ const u_int8_t *outer;
u_int8_t *inner;
{
if (!outer || !inner)
ip6_ecn_ingress(mode, outer, inner)
int mode;
u_int32_t *outer;
- u_int32_t *inner;
+ const u_int32_t *inner;
{
u_int8_t outer8, inner8;
if (!outer || !inner)
panic("NULL pointer passed to ip6_ecn_ingress");
- outer8 = (ntohl(*outer) >> 20) & 0xff;
inner8 = (ntohl(*inner) >> 20) & 0xff;
ip_ecn_ingress(mode, &outer8, &inner8);
*outer &= ~htonl(0xff << 20);
void
ip6_ecn_egress(mode, outer, inner)
int mode;
- u_int32_t *outer;
+ const u_int32_t *outer;
u_int32_t *inner;
{
u_int8_t outer8, inner8;
panic("NULL pointer passed to ip6_ecn_egress");
outer8 = (ntohl(*outer) >> 20) & 0xff;
- inner8 = (ntohl(*inner) >> 20) & 0xff;
ip_ecn_egress(mode, &outer8, &inner8);
*inner &= ~htonl(0xff << 20);
*inner |= htonl((u_int32_t)inner8 << 20);
projects / apple / xnu.git / blobdiff