include/net/esp.h

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