1#ifndef _NET_ESP_H
 2#define _NET_ESP_H
 3
 4#include <linux/skbuff.h>
 5
 6struct crypto_aead;
 7
 8struct esp_data {
 9	/* 0..255 */
10	int padlen;
11
12	/* Confidentiality & Integrity */
13	struct crypto_aead *aead;
14};
15
16extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len);
17
18struct ip_esp_hdr;
19
20static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
21{
22	return (struct ip_esp_hdr *)skb_transport_header(skb);
23}
24
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
25#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