2 * Copyright (c) 2016 Yandex LLC
3 * Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef _IP_FW_NPTV6_H_
31 #define _IP_FW_NPTV6_H_
33 #include <netinet6/ip_fw_nptv6.h>
36 #define NPTV6STATS (sizeof(struct ipfw_nptv6_stats) / sizeof(uint64_t))
37 #define NPTV6STAT_ADD(c, f, v) \
38 counter_u64_add((c)->stats[ \
39 offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)], (v))
40 #define NPTV6STAT_INC(c, f) NPTV6STAT_ADD(c, f, 1)
41 #define NPTV6STAT_FETCH(c, f) \
42 counter_u64_fetch((c)->stats[ \
43 offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)])
46 struct named_object no;
48 struct in6_addr internal; /* Internal IPv6 prefix */
49 struct in6_addr external; /* External IPv6 prefix */
50 struct in6_addr mask; /* IPv6 prefix mask */
51 uint16_t adjustment; /* Checksum adjustment value */
52 uint8_t plen; /* Prefix length */
53 uint8_t flags; /* Flags for internal use */
54 #define NPTV6_READY 0x80
55 #define NPTV6_48PLEN 0x40
57 char if_name[IF_NAMESIZE];
58 char name[64]; /* Instance name */
59 counter_u64_t stats[NPTV6STATS]; /* Statistics counters */
61 #define NPTV6_FLAGSMASK (NPTV6_DYNAMIC_PREFIX)
63 int nptv6_init(struct ip_fw_chain *ch, int first);
64 void nptv6_uninit(struct ip_fw_chain *ch, int last);
67 #endif /* _IP_FW_NPTV6_H_ */