76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 1987, 1997, 2006,
|
|
* Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* All rights reserved. Redistribution and use of the MINIX 3 operating system
|
|
* in source and binary forms, with or without modification, are permitted
|
|
* provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of the Vrije Universiteit nor the names of the software
|
|
* authors or contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
* * Any deviations from these conditions require written permission from the
|
|
* copyright holder in advance
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, 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 PRENTICE HALL OR ANY
|
|
* AUTHORS 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.
|
|
*
|
|
* Contributions by Mihai Chelaru.
|
|
*/
|
|
|
|
#ifndef _NETMPLS_MPLS_H_
|
|
#define _NETMPLS_MPLS_H_
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_dl.h>
|
|
|
|
#define MPLS_LABEL_IPV4NULL 0 /* IPv4 Explicit NULL Label */
|
|
#define MPLS_LABEL_RTALERT 1 /* Router Alert Label */
|
|
#define MPLS_LABEL_IPV6NULL 2 /* IPv6 Explicit NULL Label */
|
|
#define MPLS_LABEL_IMPLNULL 3 /* Implicit NULL Label */
|
|
#define MPLS_LABEL_RESMAX 15 /* Maximum reserved Label */
|
|
|
|
union mpls_shim {
|
|
uint32_t s_addr; /* the whole shim */
|
|
struct {
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
uint32_t ttl : 8;
|
|
uint32_t bos : 1;
|
|
uint32_t exp : 3;
|
|
uint32_t label : 20;
|
|
#else
|
|
uint32_t label : 20;
|
|
uint32_t exp : 3;
|
|
uint32_t bos : 1;
|
|
uint32_t ttl : 8;
|
|
#endif
|
|
} shim;
|
|
};
|
|
|
|
struct sockaddr_mpls {
|
|
uint8_t smpls_len;
|
|
uint8_t smpls_family;
|
|
uint8_t smpls_pad[2];
|
|
union mpls_shim smpls_addr;
|
|
} __packed;
|
|
|
|
#endif /* !_NETMPLS_MPLS_H_ */
|