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/*-
* Copyright (c) 2016 Yandex LLC
* Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _IP_FW_NPTV6_H_
#define _IP_FW_NPTV6_H_
#include <netinet6/ip_fw_nptv6.h>
#ifdef _KERNEL
#define NPTV6STATS (sizeof(struct ipfw_nptv6_stats) / sizeof(uint64_t))
#define NPTV6STAT_ADD(c, f, v) \
counter_u64_add((c)->stats[ \
offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)], (v))
#define NPTV6STAT_INC(c, f) NPTV6STAT_ADD(c, f, 1)
#define NPTV6STAT_FETCH(c, f) \
counter_u64_fetch((c)->stats[ \
offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)])
struct nptv6_cfg {
struct named_object no;
struct in6_addr internal; /* Internal IPv6 prefix */
struct in6_addr external; /* External IPv6 prefix */
struct in6_addr mask; /* IPv6 prefix mask */
uint16_t adjustment; /* Checksum adjustment value */
uint8_t plen; /* Prefix length */
uint8_t flags; /* Flags for internal use */
#define NPTV6_48PLEN 0x0001
char name[64]; /* Instance name */
counter_u64_t stats[NPTV6STATS]; /* Statistics counters */
};
#define NPTV6_FLAGSMASK 0
int nptv6_init(struct ip_fw_chain *ch, int first);
void nptv6_uninit(struct ip_fw_chain *ch, int last);
#endif /* _KERNEL */
#endif /* _IP_FW_NPTV6_H_ */
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