[linux.git] / include / net / esp.h

#ifndef _NET_ESP_H
#define _NET_ESP_H

#include <linux/skbuff.h>

struct ip_esp_hdr;

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

struct esp_info {
	struct	ip_esp_hdr *esph;
	__be64	seqno;
	int	tfclen;
	int	tailen;
	int	plen;
	int	clen;
	int 	len;
	int 	nfrags;
	__u8	proto;
	bool	inplace;
};

int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
int esp_input_done2(struct sk_buff *skb, int err);
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
int esp6_input_done2(struct sk_buff *skb, int err);
#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _NET_ESP_H
	2	#define _NET_ESP_H
	3
38320c70	4	#include <linux/skbuff.h>
1da177e4	5
87bdc48d HX	6	struct ip_esp_hdr;
	7
	8	static inline struct ip_esp_hdr ip_esp_hdr(const struct sk_buff skb)
	9	{
	10	return (struct ip_esp_hdr *)skb_transport_header(skb);
	11	}
	12
fca11ebd SK	13	struct esp_info {
	14	struct ip_esp_hdr *esph;
	15	__be64 seqno;
	16	int tfclen;
	17	int tailen;
	18	int plen;
	19	int clen;
	20	int len;
	21	int nfrags;
	22	__u8 proto;
	23	bool inplace;
	24	};
	25
	26	int esp_output_head(struct xfrm_state x, struct sk_buff skb, struct esp_info *esp);
	27	int esp_output_tail(struct xfrm_state x, struct sk_buff skb, struct esp_info *esp);
	28	int esp_input_done2(struct sk_buff *skb, int err);
383d0350 SK	29	int esp6_output_head(struct xfrm_state x, struct sk_buff skb, struct esp_info *esp);
	30	int esp6_output_tail(struct xfrm_state x, struct sk_buff skb, struct esp_info *esp);
	31	int esp6_input_done2(struct sk_buff *skb, int err);
1da177e4	32	#endif