V4L/DVB: V4L: v4l2-subdev driver for AK8813 and AK8814 TV-encoders from AKM

[safe/jmp/linux-2.6] / include / net / ah.h

diff --git a/include/net/ah.h b/include/net/ah.h
index ceff00a..f0129f7 100644 (file)
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,35 +1,25 @@
 #ifndef _NET_AH_H
 #define _NET_AH_H
 
-#include <net/xfrm.h>
+#include <linux/skbuff.h>
 
 /* This is the maximum truncated ICV length that we know of. */
 #define MAX_AH_AUTH_LEN        12
 
-struct ah_data
-{
-       u8                      *key;
-       int                     key_len;
-       u8                      *work_icv;
+struct crypto_ahash;
+
+struct ah_data {
        int                     icv_full_len;
        int                     icv_trunc_len;
 
-       void                    (*icv)(struct ah_data*,
-                                      struct sk_buff *skb, u8 *icv);
-
-       struct crypto_tfm       *tfm;
+       struct crypto_ahash     *ahash;
 };
 
-static inline void
-ah_hmac_digest(struct ah_data *ahp, struct sk_buff *skb, u8 *auth_data)
-{
-       struct crypto_tfm *tfm = ahp->tfm;
+struct ip_auth_hdr;
 
-       memset(auth_data, 0, ahp->icv_trunc_len);
-       crypto_hmac_init(tfm, ahp->key, &ahp->key_len);
-       skb_icv_walk(skb, tfm, 0, skb->len, crypto_hmac_update);
-       crypto_hmac_final(tfm, ahp->key, &ahp->key_len, ahp->work_icv);
-       memcpy(auth_data, ahp->work_icv, ahp->icv_trunc_len);
+static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)
+{
+       return (struct ip_auth_hdr *)skb_transport_header(skb);
 }
 
 #endif