selftests/tls: add SM4 GCM/CCM to tls selftests

Add new cipher as a variant of standard tls selftests.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20211008091745.42917-1-tianjia.zhang@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

tools/testing/selftests/net/tls.c

@@ -29,6 +29,8 @@ struct tls_crypto_info_keys {
 	union {
 		struct tls12_crypto_info_aes_gcm_128 aes128;
 		struct tls12_crypto_info_chacha20_poly1305 chacha20;
+		struct tls12_crypto_info_sm4_gcm sm4gcm;
+		struct tls12_crypto_info_sm4_ccm sm4ccm;
 	};
 	size_t len;
 };
@@ -49,6 +51,16 @@ static void tls_crypto_info_init(uint16_t tls_version, uint16_t cipher_type,
 		tls12->aes128.info.version = tls_version;
 		tls12->aes128.info.cipher_type = cipher_type;
 		break;
+	case TLS_CIPHER_SM4_GCM:
+		tls12->len = sizeof(struct tls12_crypto_info_sm4_gcm);
+		tls12->sm4gcm.info.version = tls_version;
+		tls12->sm4gcm.info.cipher_type = cipher_type;
+		break;
+	case TLS_CIPHER_SM4_CCM:
+		tls12->len = sizeof(struct tls12_crypto_info_sm4_ccm);
+		tls12->sm4ccm.info.version = tls_version;
+		tls12->sm4ccm.info.cipher_type = cipher_type;
+		break;
 	default:
 		break;
 	}
@@ -148,13 +160,13 @@ FIXTURE_VARIANT(tls)
 	uint16_t cipher_type;
 };
 
-FIXTURE_VARIANT_ADD(tls, 12_gcm)
+FIXTURE_VARIANT_ADD(tls, 12_aes_gcm)
 {
 	.tls_version = TLS_1_2_VERSION,
 	.cipher_type = TLS_CIPHER_AES_GCM_128,
 };
 
-FIXTURE_VARIANT_ADD(tls, 13_gcm)
+FIXTURE_VARIANT_ADD(tls, 13_aes_gcm)
 {
 	.tls_version = TLS_1_3_VERSION,
 	.cipher_type = TLS_CIPHER_AES_GCM_128,
@@ -172,6 +184,18 @@ FIXTURE_VARIANT_ADD(tls, 13_chacha)
 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
 };
 
+FIXTURE_VARIANT_ADD(tls, 13_sm4_gcm)
+{
+	.tls_version = TLS_1_3_VERSION,
+	.cipher_type = TLS_CIPHER_SM4_GCM,
+};
+
+FIXTURE_VARIANT_ADD(tls, 13_sm4_ccm)
+{
+	.tls_version = TLS_1_3_VERSION,
+	.cipher_type = TLS_CIPHER_SM4_CCM,
+};
+
 FIXTURE_SETUP(tls)
 {
 	struct tls_crypto_info_keys tls12;