ah: Remove obsolete code
ah4 and ah6 are converted to ahash now, so we can remove the
code for the obsolete hash algorithm.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ah.h b/include/net/ah.h
index 7ac5221..7573a71 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,44 +1,21 @@
#ifndef _NET_AH_H
#define _NET_AH_H
-#include <linux/crypto.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 crypto_ahash;
+
struct ah_data
{
- u8 *work_icv;
int icv_full_len;
int icv_trunc_len;
- struct crypto_hash *tfm;
struct crypto_ahash *ahash;
};
-static inline int ah_mac_digest(struct ah_data *ahp, struct sk_buff *skb,
- u8 *auth_data)
-{
- struct hash_desc desc;
- int err;
-
- desc.tfm = ahp->tfm;
- desc.flags = 0;
-
- memset(auth_data, 0, ahp->icv_trunc_len);
- err = crypto_hash_init(&desc);
- if (unlikely(err))
- goto out;
- err = skb_icv_walk(skb, &desc, 0, skb->len, crypto_hash_update);
- if (unlikely(err))
- goto out;
- err = crypto_hash_final(&desc, ahp->work_icv);
-
-out:
- return err;
-}
-
struct ip_auth_hdr;
static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)