diff options
Diffstat (limited to 'sys/netinet/ip_ecn.h')
| -rw-r--r-- | sys/netinet/ip_ecn.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sys/netinet/ip_ecn.h b/sys/netinet/ip_ecn.h new file mode 100644 index 0000000..6445d0f --- /dev/null +++ b/sys/netinet/ip_ecn.h @@ -0,0 +1,45 @@ +/* $FreeBSD$ */ +/* $KAME: ip_ecn.h,v 1.5 2000/03/27 04:58:38 sumikawa Exp $ */ + +/* + * 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ +/* + * ECN consideration on tunnel ingress/egress operation. + * http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt + */ + +#define ECN_ALLOWED 1 /* ECN allowed */ +#define ECN_FORBIDDEN 0 /* ECN forbidden */ +#define ECN_NOCARE (-1) /* no consideration to ECN */ + +#ifdef _KERNEL +extern void ip_ecn_ingress __P((int, u_int8_t *, u_int8_t *)); +extern void ip_ecn_egress __P((int, u_int8_t *, u_int8_t *)); +#endif |
