diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst
index 236828c..e53b121 100644
--- a/doc/guides/cryptodevs/aesni_mb.rst
+++ b/doc/guides/cryptodevs/aesni_mb.rst
@@ -27,6 +27,7 @@ Cipher algorithms:
 * RTE_CRYPTO_CIPHER_AES256_CTR
 * RTE_CRYPTO_CIPHER_AES_DOCSISBPI
 * RTE_CRYPTO_CIPHER_DES_CBC
+* RTE_CRYPTO_CIPHER_3DES_CBC
 * RTE_CRYPTO_CIPHER_DES_DOCSISBPI
 
 Hash algorithms:
diff --git a/doc/guides/cryptodevs/features/aesni_mb.ini b/doc/guides/cryptodevs/features/aesni_mb.ini
index 1e263c2..f729574 100644
--- a/doc/guides/cryptodevs/features/aesni_mb.ini
+++ b/doc/guides/cryptodevs/features/aesni_mb.ini
@@ -24,6 +24,7 @@ AES CTR (192)  = Y
 AES CTR (256)  = Y
 AES DOCSIS BPI = Y
 DES CBC        = Y
+3DES CBC       = Y
 DES DOCSIS BPI = Y
 
 ;
diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst
index 5bc23c5..b931665 100644
--- a/doc/guides/rel_notes/release_18_08.rst
+++ b/doc/guides/rel_notes/release_18_08.rst
@@ -41,6 +41,11 @@ New Features
      Also, make sure to start the actual text at the margin.
      =========================================================
 
+* **Updated the AESNI MB PMD.**
+
+  The AESNI MB PMD has been updated with additional support for:
+
+  * 3DES for 8, 16 and 24 byte keys.
 
 API Changes
 -----------
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index bb35c66..80a0372 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -182,6 +182,7 @@ aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
 		const struct rte_crypto_sym_xform *xform)
 {
 	uint8_t is_aes = 0;
+	uint8_t is_3DES = 0;
 	aes_keyexp_t aes_keyexp_fn;
 
 	if (xform == NULL) {
@@ -227,6 +228,10 @@ aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
 	case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
 		sess->cipher.mode = DOCSIS_DES;
 		break;
+	case RTE_CRYPTO_CIPHER_3DES_CBC:
+		sess->cipher.mode = DES3;
+		is_3DES = 1;
+		break;
 	default:
 		MB_LOG_ERR("Unsupported cipher mode parameter");
 		return -ENOTSUP;
@@ -261,11 +266,58 @@ aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
 				sess->cipher.expanded_aes_keys.encode,
 				sess->cipher.expanded_aes_keys.decode);
 
+	} else if (is_3DES) {
+
+		uint64_t *keys[3] = {sess->cipher.exp_3des_keys.key[0],
+				sess->cipher.exp_3des_keys.key[1],
+				sess->cipher.exp_3des_keys.key[2]};
+
+		switch (xform->cipher.key.length) {
+
+		case  24:
+			des_key_schedule(keys[0], xform->cipher.key.data);
+			des_key_schedule(keys[1], xform->cipher.key.data+8);
+			des_key_schedule(keys[2], xform->cipher.key.data+16);
+
+			/* Initialize keys - 24 bytes: [K1-K2-K3] */
+			sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+			sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
+			sess->cipher.exp_3des_keys.ks_ptr[2] = keys[2];
+			break;
+
+		case 16:
+			des_key_schedule(keys[0], xform->cipher.key.data);
+			des_key_schedule(keys[1], xform->cipher.key.data+8);
+
+			/* Initialize keys - 16 bytes: [K1=K1,K2=K2,K3=K1] */
+			sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+			sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
+			sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
+			break;
+
+		case 8:
+			des_key_schedule(keys[0], xform->cipher.key.data);
+
+			/* Initialize keys - 8 bytes: [K1 = K2 = K3] */
+			sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+			sess->cipher.exp_3des_keys.ks_ptr[1] = keys[0];
+			sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
+			break;
+
+		default:
+			MB_LOG_ERR("Invalid cipher key length");
+			return -EINVAL;
+	}
+
+		sess->cipher.key_length_in_bytes = 24;
+
 	} else {
+
 		if (xform->cipher.key.length != 8) {
 			MB_LOG_ERR("Invalid cipher key length");
 			return -EINVAL;
 		}
+
 		sess->cipher.key_length_in_bytes = 8;
 
 		des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.encode,
@@ -524,8 +576,20 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 	job->cipher_mode = session->cipher.mode;
 
 	job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
-	job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
-	job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode;
+
+	if (job->cipher_mode == DES3) {
+		job->aes_enc_key_expanded =
+			session->cipher.exp_3des_keys.ks_ptr;
+		job->aes_dec_key_expanded =
+			session->cipher.exp_3des_keys.ks_ptr;
+	} else {
+		job->aes_enc_key_expanded =
+			session->cipher.expanded_aes_keys.encode;
+		job->aes_dec_key_expanded =
+			session->cipher.expanded_aes_keys.decode;
+	}
+
+
 
 
 	/* Set authentication parameters */
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
index 0153052..a674afb 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
@@ -239,6 +239,26 @@ static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
 			}, }
 		}, }
 	},
+	{	/*  3DES CBC */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+			{.cipher = {
+				.algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+				.block_size = 8,
+				.key_size = {
+					.min = 8,
+					.max = 24,
+					.increment = 8
+				},
+				.iv_size = {
+					.min = 8,
+					.max = 8,
+					.increment = 0
+				}
+			}, }
+		}, }
+	},
 	{	/* DES DOCSIS BPI */
 		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 		{.sym = {
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
index a33b2f6..b6920bc 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
@@ -173,12 +173,18 @@ struct aesni_mb_session {
 
 		uint64_t key_length_in_bytes;
 
-		struct {
-			uint32_t encode[60] __rte_aligned(16);
-			/**< encode key */
-			uint32_t decode[60] __rte_aligned(16);
-			/**< decode key */
-		} expanded_aes_keys;
+		union {
+			struct {
+				uint32_t encode[60] __rte_aligned(16);
+				/**< encode key */
+				uint32_t decode[60] __rte_aligned(16);
+				/**< decode key */
+			} expanded_aes_keys;
+			struct {
+				const void *ks_ptr[3];
+				uint64_t key[3][16];
+			} exp_3des_keys;
+		};
 		/**< Expanded AES keys - Allocating space to
 		 * contain the maximum expanded key size which
 		 * is 240 bytes for 256 bit AES, calculate by:
diff --git a/test/test/test_cryptodev.c b/test/test/test_cryptodev.c
index 389f796..feb3c13 100644
--- a/test/test/test_cryptodev.c
+++ b/test/test/test_cryptodev.c
@@ -4998,6 +4998,24 @@ test_DES_cipheronly_mb_all(void)
 
 	return TEST_SUCCESS;
 }
+static int
+test_3DES_cipheronly_mb_all(void)
+{
+	struct crypto_testsuite_params *ts_params = &testsuite_params;
+	int status;
+
+	status = test_blockcipher_all_tests(ts_params->mbuf_pool,
+		ts_params->op_mpool,
+		ts_params->session_mpool,
+		ts_params->valid_devs[0],
+		rte_cryptodev_driver_id_get(
+		RTE_STR(CRYPTODEV_NAME_AESNI_MB_PMD)),
+		BLKCIPHER_3DES_CIPHERONLY_TYPE);
+
+	TEST_ASSERT_EQUAL(status, 0, "Test failed");
+
+	return TEST_SUCCESS;
+}
 
 static int
 test_DES_docsis_mb_all(void)
@@ -9003,6 +9021,8 @@ static struct unit_test_suite cryptodev_aesni_mb_testsuite  = {
 		TEST_CASE_ST(ut_setup, ut_teardown,
 						test_DES_docsis_mb_all),
 		TEST_CASE_ST(ut_setup, ut_teardown,
+						test_3DES_cipheronly_mb_all),
+		TEST_CASE_ST(ut_setup, ut_teardown,
 			test_AES_CCM_authenticated_encryption_test_case_128_1),
 		TEST_CASE_ST(ut_setup, ut_teardown,
 			test_AES_CCM_authenticated_decryption_test_case_128_1),
diff --git a/test/test/test_cryptodev_des_test_vectors.h b/test/test/test_cryptodev_des_test_vectors.h
index 43be83d..4217b72 100644
--- a/test/test/test_cryptodev_des_test_vectors.h
+++ b/test/test/test_cryptodev_des_test_vectors.h
@@ -792,6 +792,30 @@ triple_des192cbc_hmac_sha1_test_vector = {
 		.len = 20
 	}
 };
+static const struct blockcipher_test_data
+triple_des64cbc_test_vector = {
+	.crypto_algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+	.cipher_key = {
+		.data = {
+			0xE4, 0x23, 0x33, 0x8A, 0x35, 0x64, 0x61, 0xE2
+		},
+		.len = 8
+	},
+	.iv = {
+		.data = {
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+		},
+		.len = 8
+	},
+	.plaintext = {
+		.data = plaintext_des,
+		.len = 512
+	},
+	.ciphertext = {
+		.data = ciphertext512_des,
+		.len = 512
+	},
+};
 
 static const struct blockcipher_test_data
 des_cbc_test_vector = {
@@ -1205,6 +1229,18 @@ static const struct blockcipher_test_case triple_des_chain_test_cases[] = {
 
 static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
 	{
+		.test_descr = "3DES-64-CBC Encryption",
+		.test_data = &triple_des64cbc_test_vector,
+		.op_mask = BLOCKCIPHER_TEST_OP_ENCRYPT,
+		.pmd_mask = BLOCKCIPHER_TEST_TARGET_PMD_MB
+	},
+	{
+		.test_descr = "3DES-64-CBC Decryption",
+		.test_data = &triple_des64cbc_test_vector,
+		.op_mask = BLOCKCIPHER_TEST_OP_DECRYPT,
+		.pmd_mask = BLOCKCIPHER_TEST_TARGET_PMD_MB
+	},
+	{
 		.test_descr = "3DES-128-CBC Encryption",
 		.test_data = &triple_des128cbc_test_vector,
 		.op_mask = BLOCKCIPHER_TEST_OP_ENCRYPT,
@@ -1212,7 +1248,8 @@ static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
 			BLOCKCIPHER_TEST_TARGET_PMD_QAT |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA2_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA_SEC |
-			BLOCKCIPHER_TEST_TARGET_PMD_CCP
+			BLOCKCIPHER_TEST_TARGET_PMD_CCP |
+			BLOCKCIPHER_TEST_TARGET_PMD_MB
 	},
 	{
 		.test_descr = "3DES-128-CBC Decryption",
@@ -1222,7 +1259,8 @@ static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
 			BLOCKCIPHER_TEST_TARGET_PMD_QAT |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA2_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA_SEC |
-			BLOCKCIPHER_TEST_TARGET_PMD_CCP
+			BLOCKCIPHER_TEST_TARGET_PMD_CCP |
+			BLOCKCIPHER_TEST_TARGET_PMD_MB
 	},
 	{
 		.test_descr = "3DES-192-CBC Encryption",
@@ -1233,7 +1271,8 @@ static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA2_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_MVSAM |
-			BLOCKCIPHER_TEST_TARGET_PMD_CCP
+			BLOCKCIPHER_TEST_TARGET_PMD_CCP |
+			BLOCKCIPHER_TEST_TARGET_PMD_MB
 	},
 	{
 		.test_descr = "3DES-192-CBC Decryption",
@@ -1244,7 +1283,8 @@ static const struct blockcipher_test_case triple_des_cipheronly_test_cases[] = {
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA2_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_DPAA_SEC |
 			BLOCKCIPHER_TEST_TARGET_PMD_MVSAM |
-			BLOCKCIPHER_TEST_TARGET_PMD_CCP
+			BLOCKCIPHER_TEST_TARGET_PMD_CCP |
+			BLOCKCIPHER_TEST_TARGET_PMD_MB
 	},
 	{
 		.test_descr = "3DES-128-CTR Encryption",
