mirror of https://github.com/F-Stack/f-stack.git
68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
/*-
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* Copyright (c) 2016 Yandex LLC
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* Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _IP_FW_NPTV6_H_
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#define _IP_FW_NPTV6_H_
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#include <netinet6/ip_fw_nptv6.h>
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#ifdef _KERNEL
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#define NPTV6STATS (sizeof(struct ipfw_nptv6_stats) / sizeof(uint64_t))
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#define NPTV6STAT_ADD(c, f, v) \
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counter_u64_add((c)->stats[ \
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offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)], (v))
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#define NPTV6STAT_INC(c, f) NPTV6STAT_ADD(c, f, 1)
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#define NPTV6STAT_FETCH(c, f) \
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counter_u64_fetch((c)->stats[ \
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offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)])
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struct nptv6_cfg {
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struct named_object no;
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struct in6_addr internal; /* Internal IPv6 prefix */
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struct in6_addr external; /* External IPv6 prefix */
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struct in6_addr mask; /* IPv6 prefix mask */
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uint16_t adjustment; /* Checksum adjustment value */
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uint8_t plen; /* Prefix length */
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uint8_t flags; /* Flags for internal use */
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#define NPTV6_READY 0x80
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#define NPTV6_48PLEN 0x40
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char if_name[IF_NAMESIZE];
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char name[64]; /* Instance name */
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counter_u64_t stats[NPTV6STATS]; /* Statistics counters */
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};
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#define NPTV6_FLAGSMASK (NPTV6_DYNAMIC_PREFIX)
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int nptv6_init(struct ip_fw_chain *ch, int first);
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void nptv6_uninit(struct ip_fw_chain *ch, int last);
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#endif /* _KERNEL */
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#endif /* _IP_FW_NPTV6_H_ */
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