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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/netinet6/ip_fw_nptv6.h
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/*-

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 * Copyright (c) 2016 Yandex LLC

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 * Copyright (c) 2016 Andrey V. Elsukov <[email protected]>

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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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#ifndef	_NETINET6_IP_FW_NPTV6_H_

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#define	_NETINET6_IP_FW_NPTV6_H_

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struct ipfw_nptv6_stats {

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	uint64_t	in2ex;		/* Int->Ext packets translated */

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	uint64_t	ex2in;		/* Ext->Int packets translated */

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	uint64_t	dropped;	/* dropped due to some errors */

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	uint64_t	reserved[5];

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};

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typedef struct _ipfw_nptv6_cfg {

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	char		name[64];	/* NPTv6 instance name */

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	struct in6_addr	internal;	/* NPTv6 internal prefix */

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	union {

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		struct in6_addr	external; /* NPTv6 external prefix */

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		char	if_name[IF_NAMESIZE];

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	};

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	uint8_t		plen;		/* Prefix length */

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	uint8_t		set;		/* Named instance set [0..31] */

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	uint8_t		spare[2];

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	uint32_t	flags;

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#define	NPTV6_DYNAMIC_PREFIX	1	/* Use dynamic external prefix */

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} ipfw_nptv6_cfg;

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#endif /* _NETINET6_IP_FW_NPTV6_H_ */

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