[net-next-2.6.git] / include / net / ipcomp.h

#ifndef _NET_IPCOMP_H
#define _NET_IPCOMP_H

#include <linux/types.h>

#define IPCOMP_SCRATCH_SIZE     65400

struct crypto_comp;

struct ipcomp_data {
	u16 threshold;
	struct crypto_comp * __percpu *tfms;
};

struct ip_comp_hdr;
struct sk_buff;
struct xfrm_state;

int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb);
int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb);
void ipcomp_destroy(struct xfrm_state *x);
int ipcomp_init_state(struct xfrm_state *x);

static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb)
{
	return (struct ip_comp_hdr *)skb_transport_header(skb);
}

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _NET_IPCOMP_H
	2	#define _NET_IPCOMP_H
	3
9409f38a HX	4	#include <linux/types.h>
9409f38a HX	5
1da177e4 LT	6	#define IPCOMP_SCRATCH_SIZE 65400
1da177e4 LT	7
87bdc48d HX	8	struct crypto_comp;
87bdc48d HX	9
1da177e4 LT	10	struct ipcomp_data {
1da177e4 LT	11	u16 threshold;
7d720c3e	12	struct crypto_comp * __percpu *tfms;
1da177e4 LT	13	};
1da177e4 LT	14
87bdc48d HX	15	struct ip_comp_hdr;
87bdc48d HX	16	struct sk_buff;
6fccab67 HX	17	struct xfrm_state;
	18
	19	int ipcomp_input(struct xfrm_state x, struct sk_buff skb);
	20	int ipcomp_output(struct xfrm_state x, struct sk_buff skb);
	21	void ipcomp_destroy(struct xfrm_state *x);
	22	int ipcomp_init_state(struct xfrm_state *x);
87bdc48d HX	23
	24	static inline struct ip_comp_hdr ip_comp_hdr(const struct sk_buff skb)
	25	{
	26	return (struct ip_comp_hdr *)skb_transport_header(skb);
	27	}
	28
1da177e4	29	#endif