diff options
Diffstat (limited to 'sys/netpfil/ipfw/nptv6/nptv6.h')
| -rw-r--r-- | sys/netpfil/ipfw/nptv6/nptv6.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sys/netpfil/ipfw/nptv6/nptv6.h b/sys/netpfil/ipfw/nptv6/nptv6.h new file mode 100644 index 0000000..95b04bf --- /dev/null +++ b/sys/netpfil/ipfw/nptv6/nptv6.h @@ -0,0 +1,65 @@ +/*- + * 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_ */ + |
