[PATCH 4.19 39/50] crypto: talitos - HMAC SNOOP NO AFEU mode requires SW icv checking.

Greg Kroah-Hartman
2019-09-18T06:31:43Z

From: Christophe Leroy <christophe.leroy@c-s.fr>

commit 4bbfb839259a9c96a0be872e16f7471b7136aee5 upstream.

In that mode, hardware ICV verification is not supported.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Fixes: 7405c8d7ff97 ("crypto: talitos - templates for AEAD using HMAC_SNOOP_NO_AFEU")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/crypto/talitos.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1480,7 +1480,8 @@ static int aead_decrypt(struct aead_requ
if (IS_ERR(edesc))
return PTR_ERR(edesc);

- if ((priv->features & TALITOS_FTR_HW_AUTH_CHECK) &&
+ if ((edesc->desc.hdr & DESC_HDR_TYPE_IPSEC_ESP) &&
+ (priv->features & TALITOS_FTR_HW_AUTH_CHECK) &&
((!edesc->src_nents && !edesc->dst_nents) ||
priv->features & TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT)) {