1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _NET_ESP_H
 3#define _NET_ESP_H
 4
 5#include <linux/skbuff.h>
 6
 7struct ip_esp_hdr;
 8
 9static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
10{
11	return (struct ip_esp_hdr *)skb_transport_header(skb);
12}
13
14struct esp_info {
15	struct	ip_esp_hdr *esph;
16	__be64	seqno;
17	int	tfclen;
18	int	tailen;
19	int	plen;
20	int	clen;
21	int 	len;
22	int 	nfrags;
23	__u8	proto;
24	bool	inplace;
25};
26
27int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
28int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
29int esp_input_done2(struct sk_buff *skb, int err);
30int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
31int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
32int esp6_input_done2(struct sk_buff *skb, int err);
33#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _NET_ESP_H
 3#define _NET_ESP_H
 4
 5#include <linux/skbuff.h>
 6
 7struct ip_esp_hdr;
 8
 9static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
10{
11	return (struct ip_esp_hdr *)skb_transport_header(skb);
12}
13
14struct esp_info {
15	struct	ip_esp_hdr *esph;
16	__be64	seqno;
17	int	tfclen;
18	int	tailen;
19	int	plen;
20	int	clen;
21	int 	len;
22	int 	nfrags;
23	__u8	proto;
24	bool	inplace;
25};
26
27int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
28int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
29int esp_input_done2(struct sk_buff *skb, int err);
30int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
31int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
32int esp6_input_done2(struct sk_buff *skb, int err);
33#endif