linux-vybrid_public/include/net/esp.h

#ifndef _NET_ESP_H
#define _NET_ESP_H

#include <linux/skbuff.h>

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