1b867e84eSAndrey V. Elsukov /*- 2b867e84eSAndrey V. Elsukov * Copyright (c) 2016 Yandex LLC 3b867e84eSAndrey V. Elsukov * Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org> 4b867e84eSAndrey V. Elsukov * All rights reserved. 5b867e84eSAndrey V. Elsukov * 6b867e84eSAndrey V. Elsukov * Redistribution and use in source and binary forms, with or without 7b867e84eSAndrey V. Elsukov * modification, are permitted provided that the following conditions 8b867e84eSAndrey V. Elsukov * are met: 9b867e84eSAndrey V. Elsukov * 10b867e84eSAndrey V. Elsukov * 1. Redistributions of source code must retain the above copyright 11b867e84eSAndrey V. Elsukov * notice, this list of conditions and the following disclaimer. 12b867e84eSAndrey V. Elsukov * 2. Redistributions in binary form must reproduce the above copyright 13b867e84eSAndrey V. Elsukov * notice, this list of conditions and the following disclaimer in the 14b867e84eSAndrey V. Elsukov * documentation and/or other materials provided with the distribution. 15b867e84eSAndrey V. Elsukov * 16b867e84eSAndrey V. Elsukov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17b867e84eSAndrey V. Elsukov * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18b867e84eSAndrey V. Elsukov * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19b867e84eSAndrey V. Elsukov * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20b867e84eSAndrey V. Elsukov * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21b867e84eSAndrey V. Elsukov * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22b867e84eSAndrey V. Elsukov * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23b867e84eSAndrey V. Elsukov * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24b867e84eSAndrey V. Elsukov * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25b867e84eSAndrey V. Elsukov * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26b867e84eSAndrey V. Elsukov */ 27b867e84eSAndrey V. Elsukov 28b867e84eSAndrey V. Elsukov #ifndef _IP_FW_NPTV6_H_ 29b867e84eSAndrey V. Elsukov #define _IP_FW_NPTV6_H_ 30b867e84eSAndrey V. Elsukov 31b867e84eSAndrey V. Elsukov #include <netinet6/ip_fw_nptv6.h> 32b867e84eSAndrey V. Elsukov 33b867e84eSAndrey V. Elsukov #ifdef _KERNEL 34b867e84eSAndrey V. Elsukov #define NPTV6STATS (sizeof(struct ipfw_nptv6_stats) / sizeof(uint64_t)) 35b867e84eSAndrey V. Elsukov #define NPTV6STAT_ADD(c, f, v) \ 36b867e84eSAndrey V. Elsukov counter_u64_add((c)->stats[ \ 37b867e84eSAndrey V. Elsukov offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)], (v)) 38b867e84eSAndrey V. Elsukov #define NPTV6STAT_INC(c, f) NPTV6STAT_ADD(c, f, 1) 39b867e84eSAndrey V. Elsukov #define NPTV6STAT_FETCH(c, f) \ 40b867e84eSAndrey V. Elsukov counter_u64_fetch((c)->stats[ \ 41b867e84eSAndrey V. Elsukov offsetof(struct ipfw_nptv6_stats, f) / sizeof(uint64_t)]) 42b867e84eSAndrey V. Elsukov 43b867e84eSAndrey V. Elsukov struct nptv6_cfg { 44b867e84eSAndrey V. Elsukov struct named_object no; 45b867e84eSAndrey V. Elsukov 46b867e84eSAndrey V. Elsukov struct in6_addr internal; /* Internal IPv6 prefix */ 47b867e84eSAndrey V. Elsukov struct in6_addr external; /* External IPv6 prefix */ 48b867e84eSAndrey V. Elsukov struct in6_addr mask; /* IPv6 prefix mask */ 49b867e84eSAndrey V. Elsukov uint16_t adjustment; /* Checksum adjustment value */ 50b867e84eSAndrey V. Elsukov uint8_t plen; /* Prefix length */ 51b867e84eSAndrey V. Elsukov uint8_t flags; /* Flags for internal use */ 52*b2b56606SAndrey V. Elsukov #define NPTV6_READY 0x80 53*b2b56606SAndrey V. Elsukov #define NPTV6_48PLEN 0x40 54*b2b56606SAndrey V. Elsukov 55*b2b56606SAndrey V. Elsukov char if_name[IF_NAMESIZE]; 56b867e84eSAndrey V. Elsukov char name[64]; /* Instance name */ 57b867e84eSAndrey V. Elsukov counter_u64_t stats[NPTV6STATS]; /* Statistics counters */ 58b867e84eSAndrey V. Elsukov }; 59*b2b56606SAndrey V. Elsukov #define NPTV6_FLAGSMASK (NPTV6_DYNAMIC_PREFIX) 60b867e84eSAndrey V. Elsukov 61b867e84eSAndrey V. Elsukov int nptv6_init(struct ip_fw_chain *ch, int first); 62b867e84eSAndrey V. Elsukov void nptv6_uninit(struct ip_fw_chain *ch, int last); 63b867e84eSAndrey V. Elsukov #endif /* _KERNEL */ 64b867e84eSAndrey V. Elsukov 65b867e84eSAndrey V. Elsukov #endif /* _IP_FW_NPTV6_H_ */ 66