release/src-rt-6.x.4708/linux/linux-2.6.36/include/net/ah.h

   1 #ifndef _NET_AH_H
   2 #define _NET_AH_H
   3
   4 #include <linux/skbuff.h>
   5
   6 /* This is the maximum truncated ICV length that we know of. */
   7 #define MAX_AH_AUTH_LEN 12
   8
   9 struct crypto_ahash;
  10
  11 struct ah_data {
  12         int                     icv_full_len;
  13         int                     icv_trunc_len;
  14
  15         struct crypto_ahash     *ahash;
  16 };
  17
  18 struct ip_auth_hdr;
  19
  20 static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)
  21 {
  22         return (struct ip_auth_hdr *)skb_transport_header(skb);
  23 }
  24
  25 #endif