1*19c3b8c2SApple OSS Distributions /* 2*19c3b8c2SApple OSS Distributions * Copyright (c) 2000-2013, 2015 Apple Inc. All rights reserved. 3*19c3b8c2SApple OSS Distributions * 4*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*19c3b8c2SApple OSS Distributions * 6*19c3b8c2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*19c3b8c2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*19c3b8c2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*19c3b8c2SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*19c3b8c2SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*19c3b8c2SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*19c3b8c2SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*19c3b8c2SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*19c3b8c2SApple OSS Distributions * 15*19c3b8c2SApple OSS Distributions * Please obtain a copy of the License at 16*19c3b8c2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*19c3b8c2SApple OSS Distributions * 18*19c3b8c2SApple OSS Distributions * The Original Code and all software distributed under the License are 19*19c3b8c2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*19c3b8c2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*19c3b8c2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*19c3b8c2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*19c3b8c2SApple OSS Distributions * Please see the License for the specific language governing rights and 24*19c3b8c2SApple OSS Distributions * limitations under the License. 25*19c3b8c2SApple OSS Distributions * 26*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*19c3b8c2SApple OSS Distributions */ 28*19c3b8c2SApple OSS Distributions /* 29*19c3b8c2SApple OSS Distributions * Copyright (C) 1999 WIDE Project. 30*19c3b8c2SApple OSS Distributions * All rights reserved. 31*19c3b8c2SApple OSS Distributions * 32*19c3b8c2SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 33*19c3b8c2SApple OSS Distributions * modification, are permitted provided that the following conditions 34*19c3b8c2SApple OSS Distributions * are met: 35*19c3b8c2SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 36*19c3b8c2SApple OSS Distributions * notice, this list of conditions and the following disclaimer. 37*19c3b8c2SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 38*19c3b8c2SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 39*19c3b8c2SApple OSS Distributions * documentation and/or other materials provided with the distribution. 40*19c3b8c2SApple OSS Distributions * 3. Neither the name of the project nor the names of its contributors 41*19c3b8c2SApple OSS Distributions * may be used to endorse or promote products derived from this software 42*19c3b8c2SApple OSS Distributions * without specific prior written permission. 43*19c3b8c2SApple OSS Distributions * 44*19c3b8c2SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 45*19c3b8c2SApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46*19c3b8c2SApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47*19c3b8c2SApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 48*19c3b8c2SApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49*19c3b8c2SApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50*19c3b8c2SApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51*19c3b8c2SApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52*19c3b8c2SApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53*19c3b8c2SApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54*19c3b8c2SApple OSS Distributions * SUCH DAMAGE. 55*19c3b8c2SApple OSS Distributions * 56*19c3b8c2SApple OSS Distributions */ 57*19c3b8c2SApple OSS Distributions /* 58*19c3b8c2SApple OSS Distributions * ECN consideration on tunnel ingress/egress operation. 59*19c3b8c2SApple OSS Distributions * http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt 60*19c3b8c2SApple OSS Distributions */ 61*19c3b8c2SApple OSS Distributions #include <sys/appleapiopts.h> 62*19c3b8c2SApple OSS Distributions 63*19c3b8c2SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 64*19c3b8c2SApple OSS Distributions #define ECN_NORMAL 1 /* ECN normal mode */ 65*19c3b8c2SApple OSS Distributions #define ECN_COMPATIBILITY 0 /* ECN comptability mode */ 66*19c3b8c2SApple OSS Distributions #define ECN_NOCARE (-1) /* Ignore ECN. Use caution with this mode. */ 67*19c3b8c2SApple OSS Distributions 68*19c3b8c2SApple OSS Distributions extern void ip_ecn_ingress(int, u_int8_t *, const u_int8_t *); 69*19c3b8c2SApple OSS Distributions extern int ip_ecn_egress(int, const u_int8_t *, u_int8_t *); 70*19c3b8c2SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 71