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#ifndef _NET_AH_H
#define _NET_AH_H
#include <linux/skbuff.h>
/* This is the maximum truncated ICV length that we know of. */
#define MAX_AH_AUTH_LEN 64
struct crypto_ahash;
struct ah_data {
int icv_full_len;
int icv_trunc_len;
struct crypto_ahash *ahash;
};
struct ip_auth_hdr;
static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)
{
return (struct ip_auth_hdr *)skb_transport_header(skb);
}
#endif
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