[PATCH 05/10] crypto/qat: advertise RSA padding capabilities

[Sucharitha Sarananaga]

Add QAT_ASYM_RSA_CAP macro to report RSA asymmetric capabilities
using rsa_capa, including modulus length and padding schemes.

Update Gen1 and Gen4 QAT asymmetric PMDs to advertise
RTE_CRYPTO_RSA_PADDING_NONE via pad_types, matching the padding
mode supported by the QAT RSA implementation.

Signed-off-by: Sucharitha Sarananaga <ssarananaga at marvell.com>
---
 drivers/crypto/qat/asym/qat_asym.h           | 20 ++++++++++++++++++++
 drivers/crypto/qat/dev/qat_asym_pmd_gen1.c   |  5 +++--
 drivers/crypto/qat/dev/qat_crypto_pmd_gen4.c |  5 +++--
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/qat/asym/qat_asym.h b/drivers/crypto/qat/asym/qat_asym.h
index 0ecbc47548..cf40d445df 100644
--- a/drivers/crypto/qat/asym/qat_asym.h
+++ b/drivers/crypto/qat/asym/qat_asym.h
@@ -56,6 +56,26 @@ typedef uint64_t large_int_ptr;
 		}							\
 	}
 
+#define QAT_ASYM_RSA_CAP(o, l, r, i, p)					\
+	{								\
+		.op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,			\
+		{.asym = {						\
+			.xform_capa = {					\
+				.xform_type = RTE_CRYPTO_ASYM_XFORM_RSA, \
+				.op_types = o,				\
+				.rsa_capa = {				\
+				.modlen = {				\
+				.min = l,				\
+				.max = r,				\
+				.increment = i				\
+				},					\
+				.pad_types = p,				\
+				},					\
+			}						\
+		},							\
+		}							\
+	}
+
 struct __rte_aligned(8) qat_asym_op_cookie {
 	uint64_t error;
 	uint32_t alg_bytesize; /* Bytesize of algorithm */
diff --git a/drivers/crypto/qat/dev/qat_asym_pmd_gen1.c b/drivers/crypto/qat/dev/qat_asym_pmd_gen1.c
index c96608dd37..5b93cf374b 100644
--- a/drivers/crypto/qat/dev/qat_asym_pmd_gen1.c
+++ b/drivers/crypto/qat/dev/qat_asym_pmd_gen1.c
@@ -32,12 +32,13 @@ static struct rte_cryptodev_capabilities qat_asym_crypto_caps_gen1[] = {
 		0, 1, 512, 1),
 	QAT_ASYM_CAP(MODINV,
 		0, 1, 512, 1),
-	QAT_ASYM_CAP(RSA,
+	QAT_ASYM_RSA_CAP(
 			((1 << RTE_CRYPTO_ASYM_OP_SIGN) |
 			(1 << RTE_CRYPTO_ASYM_OP_VERIFY) |
 			(1 << RTE_CRYPTO_ASYM_OP_ENCRYPT) |
 			(1 << RTE_CRYPTO_ASYM_OP_DECRYPT)),
-			64, 512, 64),
+			64, 512, 64,
+			(1 << RTE_CRYPTO_RSA_PADDING_NONE)),
 	QAT_ASYM_CAP(ECDH,
 			((1 << RTE_CRYPTO_ASYM_KE_PUB_KEY_GENERATE) |
 			(1 << RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE) |
diff --git a/drivers/crypto/qat/dev/qat_crypto_pmd_gen4.c b/drivers/crypto/qat/dev/qat_crypto_pmd_gen4.c
index 41cad29142..106c512a06 100644
--- a/drivers/crypto/qat/dev/qat_crypto_pmd_gen4.c
+++ b/drivers/crypto/qat/dev/qat_crypto_pmd_gen4.c
@@ -121,12 +121,13 @@ static struct rte_cryptodev_capabilities qat_asym_crypto_caps_gen4[] = {
 		0, 1, 512, 1),
 	QAT_ASYM_CAP(MODINV,
 		0, 1, 512, 1),
-	QAT_ASYM_CAP(RSA,
+	QAT_ASYM_RSA_CAP(
 			((1 << RTE_CRYPTO_ASYM_OP_SIGN) |
 			(1 << RTE_CRYPTO_ASYM_OP_VERIFY) |
 			(1 << RTE_CRYPTO_ASYM_OP_ENCRYPT) |
 			(1 << RTE_CRYPTO_ASYM_OP_DECRYPT)),
-			64, 512, 64),
+			64, 512, 64,
+			(1 << RTE_CRYPTO_RSA_PADDING_NONE)),
 	{	/* SM2 */
 		.op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 		{.asym = {
-- 
2.54.0