root/include/net/esp.h

INCLUDED FROM

#ifndef _NET_ESP_H
#define _NET_ESP_H

#include <linux/skbuff.h>

struct crypto_aead;

struct esp_data {
        /* 0..255 */
        int padlen;

        /* Confidentiality & Integrity */
        struct crypto_aead *aead;
};

extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len);

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);
}

#endif