xnu-792.12.6.tar.gz

[apple/xnu.git] / bsd / netinet / ip_encap.h

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/*	$KAME: ip_encap.h,v 1.6 2000/03/06 04:34:21 itojun Exp $	*/

/*
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 */

#ifndef _NETINET_IP_ENCAP_H_
#define _NETINET_IP_ENCAP_H_
#include <sys/appleapiopts.h>

#ifdef KERNEL_PRIVATE

struct encaptab {
	LIST_ENTRY(encaptab) chain;
	int af;
	int proto;			/* -1: don't care, I'll check myself */
	struct sockaddr_storage src;	/* my addr */
	struct sockaddr_storage srcmask;
	struct sockaddr_storage dst;	/* remote addr */
	struct sockaddr_storage dstmask;
	int (*func)(const struct mbuf *, int, int, void *);
	const struct protosw *psw;	/* only pr_input will be used */
	void *arg;			/* passed via m->m_pkthdr.aux */
};

void	encap_init(void);
void	encap4_input(struct mbuf *, int);
int	encap6_input(struct mbuf **, int *);
const struct encaptab *encap_attach(int, int, const struct sockaddr *,
	const struct sockaddr *, const struct sockaddr *,
	const struct sockaddr *, const struct protosw *, void *);
const struct encaptab *encap_attach_func(int, int,
	int (*)(const struct mbuf *, int, int, void *),
	const struct protosw *, void *);
int	encap_detach(const struct encaptab *);
void	*encap_getarg(struct mbuf *);
#endif KERNEL_PRIVATE

#endif /*_NETINET_IP_ENCAP_H_*/