[PATCH v2 6/9] crypto/dpaa2_sec: add null algo capability

Gagandeep Singh g.singh at nxp.com
Wed May 21 08:56:55 CEST 2025


This patch adds NULL algo capabilities.

Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
---
 doc/guides/cryptodevs/dpaa2_sec.rst          |  2 +
 doc/guides/cryptodevs/features/dpaa2_sec.ini |  2 +
 drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h    | 41 ++++++++++++++++++++
 3 files changed, 45 insertions(+)

diff --git a/doc/guides/cryptodevs/dpaa2_sec.rst b/doc/guides/cryptodevs/dpaa2_sec.rst
index 1a590309a0..6b1357d78a 100644
--- a/doc/guides/cryptodevs/dpaa2_sec.rst
+++ b/doc/guides/cryptodevs/dpaa2_sec.rst
@@ -105,6 +105,7 @@ The DPAA2_SEC PMD has support for:
 
 Cipher algorithms:
 
+* ``RTE_CRYPTO_CIPHER_NULL``
 * ``RTE_CRYPTO_CIPHER_3DES_CBC``
 * ``RTE_CRYPTO_CIPHER_AES128_CBC``
 * ``RTE_CRYPTO_CIPHER_AES192_CBC``
@@ -115,6 +116,7 @@ Cipher algorithms:
 
 Hash algorithms:
 
+* ``RTE_CRYPTO_AUTH_NULL``
 * ``RTE_CRYPTO_AUTH_SHA1_HMAC``
 * ``RTE_CRYPTO_AUTH_SHA224_HMAC``
 * ``RTE_CRYPTO_AUTH_SHA256_HMAC``
diff --git a/doc/guides/cryptodevs/features/dpaa2_sec.ini b/doc/guides/cryptodevs/features/dpaa2_sec.ini
index 3d6e449ca1..a280c7b51b 100644
--- a/doc/guides/cryptodevs/features/dpaa2_sec.ini
+++ b/doc/guides/cryptodevs/features/dpaa2_sec.ini
@@ -18,6 +18,7 @@ OOP LB  In LB  Out     = Y
 ; Supported crypto algorithms of the 'dpaa2_sec' crypto driver.
 ;
 [Cipher]
+NULL          = Y
 AES CBC (128) = Y
 AES CBC (192) = Y
 AES CBC (256) = Y
@@ -33,6 +34,7 @@ ZUC EEA3      = Y
 ; Supported authentication algorithms of the 'dpaa2_sec' crypto driver.
 ;
 [Auth]
+NULL         = Y
 MD5          = Y
 MD5 HMAC     = Y
 SHA1         = Y
diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
index 1c0bc3d6de..e9b601c035 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
@@ -227,6 +227,27 @@ typedef struct dpaa2_sec_session_entry {
 
 static const struct rte_cryptodev_capabilities dpaa2_sec_capabilities[] = {
 	/* Symmetric capabilities */
+	{	/* NULL (AUTH) */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{.auth = {
+				.algo = RTE_CRYPTO_AUTH_NULL,
+				.block_size = 1,
+				.key_size = {
+					.min = 0,
+					.max = 0,
+					.increment = 0
+				},
+				.digest_size = {
+					.min = 0,
+					.max = 0,
+					.increment = 0
+				},
+				.iv_size = { 0 }
+			}, },
+		}, },
+	},
 	{	/* MD5 */
 		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 		{.sym = {
@@ -553,6 +574,26 @@ static const struct rte_cryptodev_capabilities dpaa2_sec_capabilities[] = {
 			}, }
 		}, }
 	},
+	{	/* NULL (CIPHER) */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+			{.cipher = {
+				.algo = RTE_CRYPTO_CIPHER_NULL,
+				.block_size = 1,
+				.key_size = {
+					.min = 0,
+					.max = 0,
+					.increment = 0
+				},
+				.iv_size = {
+					.min = 0,
+					.max = 0,
+					.increment = 0
+				}
+			}, },
+		}, }
+	},
 	{	/* AES CBC */
 		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 		{.sym = {
-- 
2.25.1



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