ah: Add struct crypto_ahash to ah_data

To support for ahash algorithms, we add a pointer to a
crypto_ahash to ah_data.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/ah.h b/include/net/ah.h
index ae1c322f4242..7ac52214ba0f 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -14,6 +14,7 @@ struct ah_data
         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,