[PATCH v2 1/2] cryptodev: add sm4 encryption algorithm

[Arek Kusztal]

ShangMi 4 (SM4) is a block cipher used in the Chinese National Standard for
Wireless LAN WAPI and also used with Transport Layer Security.

- Added SM4 encryption algorithm.
Supported modes are ECB, CBC and CTR.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
---
 doc/guides/cryptodevs/features/default.ini | 3 +++
 doc/guides/rel_notes/release_22_11.rst     | 4 ++++
 lib/cryptodev/rte_crypto_sym.h             | 9 ++++++++-
 lib/cryptodev/rte_cryptodev.c              | 5 ++++-
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/doc/guides/cryptodevs/features/default.ini b/doc/guides/cryptodevs/features/default.ini
index 7371ca6644..1608426b12 100644
--- a/doc/guides/cryptodevs/features/default.ini
+++ b/doc/guides/cryptodevs/features/default.ini
@@ -61,6 +61,9 @@ DES DOCSIS BPI =
 SNOW3G UEA2    =
 KASUMI F8      =
 ZUC EEA3       =
+SM4 ECB        =
+SM4 CBC        =
+SM4 CTR        =
 
 ;
 ; Supported authentication algorithms of a default crypto driver.
diff --git a/doc/guides/rel_notes/release_22_11.rst b/doc/guides/rel_notes/release_22_11.rst
index 510485017d..e8113ee056 100644
--- a/doc/guides/rel_notes/release_22_11.rst
+++ b/doc/guides/rel_notes/release_22_11.rst
@@ -80,6 +80,10 @@ New Features
   * Added ``rte_event_eth_tx_adapter_instance_get`` to get Tx adapter
     instance ID for specified ethernet device ID and Tx queue index.
 
+* **Added ShangMi 4 (SM4) encryption algorithm in ECB, CBC and CTR mode to the cryptodev.**
+
+   Added ``RTE_CRYPTO_CIPHER_SM4_ECB``, ``RTE_CRYPTO_CIPHER_SM4_CBC``,
+   ``RTE_CRYPTO_CIPHER_SM4_CTR`` to the cipher algorithm list in the cryptodev.
 
 Removed Items
 -------------
diff --git a/lib/cryptodev/rte_crypto_sym.h b/lib/cryptodev/rte_crypto_sym.h
index daa090b978..613950993a 100644
--- a/lib/cryptodev/rte_crypto_sym.h
+++ b/lib/cryptodev/rte_crypto_sym.h
@@ -160,12 +160,19 @@ enum rte_crypto_cipher_algorithm {
 	 * for m_src and m_dst in the rte_crypto_sym_op must be NULL.
 	 */
 
-	RTE_CRYPTO_CIPHER_DES_DOCSISBPI
+	RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
 	/**< DES algorithm using modes required by
 	 * DOCSIS Baseline Privacy Plus Spec.
 	 * Chained mbufs are not supported in this mode, i.e. rte_mbuf.next
 	 * for m_src and m_dst in the rte_crypto_sym_op must be NULL.
 	 */
+
+	RTE_CRYPTO_CIPHER_SM4_ECB,
+	/**< ShangMi 4 (SM4) algorithm in ECB mode */
+	RTE_CRYPTO_CIPHER_SM4_CBC,
+	/**< ShangMi 4 (SM4) algorithm in CBC mode */
+	RTE_CRYPTO_CIPHER_SM4_CTR
+	/**< ShangMi 4 (SM4) algorithm in CTR mode */
 };
 
 /** Cipher algorithm name strings */
diff --git a/lib/cryptodev/rte_cryptodev.c b/lib/cryptodev/rte_cryptodev.c
index 5e25e607fa..5622c5a735 100644
--- a/lib/cryptodev/rte_cryptodev.c
+++ b/lib/cryptodev/rte_cryptodev.c
@@ -89,7 +89,10 @@ rte_crypto_cipher_algorithm_strings[] = {
 
 	[RTE_CRYPTO_CIPHER_KASUMI_F8]	= "kasumi-f8",
 	[RTE_CRYPTO_CIPHER_SNOW3G_UEA2]	= "snow3g-uea2",
-	[RTE_CRYPTO_CIPHER_ZUC_EEA3]	= "zuc-eea3"
+	[RTE_CRYPTO_CIPHER_ZUC_EEA3]	= "zuc-eea3",
+	[RTE_CRYPTO_CIPHER_SM4_ECB]	= "sm4-ecb",
+	[RTE_CRYPTO_CIPHER_SM4_CBC]	= "sm4-cbc",
+	[RTE_CRYPTO_CIPHER_SM4_CTR]	= "sm4-ctr"
 };
 
 /**
-- 
2.13.6