1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _NET_AH_H 3 #define _NET_AH_H 4 5 #include <linux/skbuff.h> 6 7 struct crypto_ahash; 8 9 struct ah_data { 10 int icv_full_len; 11 int icv_trunc_len; 12 13 struct crypto_ahash *ahash; 14 }; 15 16 struct ip_auth_hdr; 17 18 static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb) 19 { 20 return (struct ip_auth_hdr *)skb_transport_header(skb); 21 } 22 23 #endif 24