crypto: hisilicon/sec - add fallback tfm supporting for aeads
Add fallback tfm supporting for hisi_sec driver. Due to the Kunpeng920's
CCM/GCM algorithm not supports 0 byte src length. So the driver needs to
setting the soft fallback aead tfm.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
index 2960fae..3fe7875 100644
--- a/drivers/crypto/hisilicon/sec2/sec.h
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -88,7 +88,9 @@ struct sec_auth_ctx {
u8 a_key_len;
u8 mac_len;
u8 a_alg;
+ bool fallback;
struct crypto_shash *hash_tfm;
+ struct crypto_aead *fallback_aead_tfm;
};
/* SEC cipher context which cipher's relatives */
