[dpdk-dev] [PATCH v1 8/8] crypto/ipsec_mb: add chacha20-poly1305 PMD to framework

[Ciara Power <ciara.power@intel.com>]

From: Kai Ji <kai.ji@intel.com>

Add in new chacha20_poly1305 support in ipsec_mb.
Add in new chacha20_poly1305 test vector for SGL test.

Signed-off-by: Kai Ji <kai.ji@intel.com>
---
 app/test/test_cryptodev.c                     |  22 +
 app/test/test_cryptodev.h                     |   1 +
 app/test/test_cryptodev_aead_test_vectors.h   | 114 ++++
 drivers/crypto/ipsec_mb/meson.build           |   1 +
 drivers/crypto/ipsec_mb/pmd_chacha_poly.c     | 529 ++++++++++++++++++
 .../ipsec_mb/rte_ipsec_mb_pmd_private.h       |   7 +
 6 files changed, 674 insertions(+)
 create mode 100644 drivers/crypto/ipsec_mb/pmd_chacha_poly.c

diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
index 9ad0b37473..432de62b66 100644
--- a/app/test/test_cryptodev.c
+++ b/app/test/test_cryptodev.c
@@ -13412,6 +13412,13 @@ test_chacha20_poly1305_decrypt_test_case_rfc8439(void)
 	return test_authenticated_decryption(&chacha20_poly1305_case_rfc8439);
 }
 
+static int
+test_chacha20_poly1305_encrypt_SGL_out_of_place(void)
+{
+	return test_authenticated_encryption_SGL(
+		&chacha20_poly1305_case_2, OUT_OF_PLACE, 32, 265);
+}
+
 #ifdef RTE_CRYPTO_SCHEDULER
 
 /* global AESNI worker IDs for the scheduler test */
@@ -14019,6 +14026,8 @@ static struct unit_test_suite cryptodev_chacha20_poly1305_testsuite  = {
 			test_chacha20_poly1305_encrypt_test_case_rfc8439),
 		TEST_CASE_ST(ut_setup, ut_teardown,
 			test_chacha20_poly1305_decrypt_test_case_rfc8439),
+		TEST_CASE_ST(ut_setup, ut_teardown,
+			test_chacha20_poly1305_encrypt_SGL_out_of_place),
 		TEST_CASES_END()
 	}
 };
@@ -14581,6 +14590,17 @@ test_cryptodev_cpu_aesni_mb(void)
 	return rc;
 }
 
+static int
+test_cryptodev_chacha_poly_mb(void)
+{
+	int32_t rc;
+	enum rte_security_session_action_type at = gbl_action_type;
+	rc = run_cryptodev_testsuite(
+			RTE_STR(CRYPTODEV_NAME_CHACHA20_POLY1305_PMD));
+	gbl_action_type = at;
+	return rc;
+}
+
 static int
 test_cryptodev_openssl(void)
 {
@@ -14840,6 +14860,8 @@ REGISTER_TEST_COMMAND(cryptodev_qat_autotest, test_cryptodev_qat);
 REGISTER_TEST_COMMAND(cryptodev_aesni_mb_autotest, test_cryptodev_aesni_mb);
 REGISTER_TEST_COMMAND(cryptodev_cpu_aesni_mb_autotest,
 	test_cryptodev_cpu_aesni_mb);
+REGISTER_TEST_COMMAND(cryptodev_chacha_poly_mb_autotest,
+	test_cryptodev_chacha_poly_mb);
 REGISTER_TEST_COMMAND(cryptodev_openssl_autotest, test_cryptodev_openssl);
 REGISTER_TEST_COMMAND(cryptodev_aesni_gcm_autotest, test_cryptodev_aesni_gcm);
 REGISTER_TEST_COMMAND(cryptodev_cpu_aesni_gcm_autotest,
diff --git a/app/test/test_cryptodev.h b/app/test/test_cryptodev.h
index 1cdd84d01f..90c8287365 100644
--- a/app/test/test_cryptodev.h
+++ b/app/test/test_cryptodev.h
@@ -59,6 +59,7 @@
 #define CRYPTODEV_NAME_SNOW3G_PMD	crypto_snow3g
 #define CRYPTODEV_NAME_KASUMI_PMD	crypto_kasumi
 #define CRYPTODEV_NAME_ZUC_PMD		crypto_zuc
+#define CRYPTODEV_NAME_CHACHA20_POLY1305_PMD	crypto_chacha20_poly1305
 #define CRYPTODEV_NAME_ARMV8_PMD	crypto_armv8
 #define CRYPTODEV_NAME_DPAA_SEC_PMD	crypto_dpaa_sec
 #define CRYPTODEV_NAME_DPAA2_SEC_PMD	crypto_dpaa2_sec
diff --git a/app/test/test_cryptodev_aead_test_vectors.h b/app/test/test_cryptodev_aead_test_vectors.h
index 73cc143f10..07292620a4 100644
--- a/app/test/test_cryptodev_aead_test_vectors.h
+++ b/app/test/test_cryptodev_aead_test_vectors.h
@@ -3930,4 +3930,118 @@ static const struct aead_test_data chacha20_poly1305_case_rfc8439 = {
 		.len = 16
 	}
 };
+
+static uint8_t chacha_aad_2[] = {
+			0xf3, 0x33, 0x88, 0x86, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x4e, 0x91
+};
+
+static const struct aead_test_data chacha20_poly1305_case_2 = {
+	.algo = RTE_CRYPTO_AEAD_CHACHA20_POLY1305,
+	.key = {
+		.data = {
+				0x1c, 0x92, 0x40, 0xa5, 0xeb, 0x55, 0xd3, 0x8a,
+				0xf3, 0x33, 0x88, 0x86, 0x04, 0xf6, 0xb5, 0xf0,
+				0x47, 0x39, 0x17, 0xc1, 0x40, 0x2b, 0x80, 0x09,
+				0x9d, 0xca, 0x5c, 0xbc, 0x20, 0x70, 0x75, 0xc0
+		},
+		.len = 32
+	},
+	.iv = {
+		.data = {
+				0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
+				0x05, 0x06, 0x07, 0x08
+		},
+		.len = 12
+	},
+	.aad = {
+		.data = chacha_aad_2,
+		.len = 12
+	},
+	.plaintext = {
+		.data = {
+				0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
+				0x2d, 0x44, 0x72, 0x61, 0x66, 0x74, 0x73, 0x20,
+				0x61, 0x72, 0x65, 0x20, 0x64, 0x72, 0x61, 0x66,
+				0x74, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
+				0x6e, 0x74, 0x73, 0x20, 0x76, 0x61, 0x6c, 0x69,
+				0x64, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x61, 0x20,
+				0x6d, 0x61, 0x78, 0x69, 0x6d, 0x75, 0x6d, 0x20,
+				0x6f, 0x66, 0x20, 0x73, 0x69, 0x78, 0x20, 0x6d,
+				0x6f, 0x6e, 0x74, 0x68, 0x73, 0x20, 0x61, 0x6e,
+				0x64, 0x20, 0x6d, 0x61, 0x79, 0x20, 0x62, 0x65,
+				0x20, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64,
+				0x2c, 0x20, 0x72, 0x65, 0x70, 0x6c, 0x61, 0x63,
+				0x65, 0x64, 0x2c, 0x20, 0x6f, 0x72, 0x20, 0x6f,
+				0x62, 0x73, 0x6f, 0x6c, 0x65, 0x74, 0x65, 0x64,
+				0x20, 0x62, 0x79, 0x20, 0x6f, 0x74, 0x68, 0x65,
+				0x72, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
+				0x6e, 0x74, 0x73, 0x20, 0x61, 0x74, 0x20, 0x61,
+				0x6e, 0x79, 0x20, 0x74, 0x69, 0x6d, 0x65, 0x2e,
+				0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x69,
+				0x6e, 0x61, 0x70, 0x70, 0x72, 0x6f, 0x70, 0x72,
+				0x69, 0x61, 0x74, 0x65, 0x20, 0x74, 0x6f, 0x20,
+				0x75, 0x73, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65,
+				0x72, 0x6e, 0x65, 0x74, 0x2d, 0x44, 0x72, 0x61,
+				0x66, 0x74, 0x73, 0x20, 0x61, 0x73, 0x20, 0x72,
+				0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65,
+				0x20, 0x6d, 0x61, 0x74, 0x65, 0x72, 0x69, 0x61,
+				0x6c, 0x20, 0x6f, 0x72, 0x20, 0x74, 0x6f, 0x20,
+				0x63, 0x69, 0x74, 0x65, 0x20, 0x74, 0x68, 0x65,
+				0x6d, 0x20, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x20,
+				0x74, 0x68, 0x61, 0x6e, 0x20, 0x61, 0x73, 0x20,
+				0x2f, 0xe2, 0x80, 0x9c, 0x77, 0x6f, 0x72, 0x6b,
+				0x20, 0x69, 0x6e, 0x20, 0x70, 0x72, 0x6f, 0x67,
+				0x72, 0x65, 0x73, 0x73, 0x2e, 0x2f, 0xe2, 0x80,
+				0x9d
+		},
+		.len = 265
+	},
+	.ciphertext = {
+		.data = {
+				0x64, 0xa0, 0x86, 0x15, 0x75, 0x86, 0x1a, 0xf4,
+				0x60, 0xf0, 0x62, 0xc7, 0x9b, 0xe6, 0x43, 0xbd,
+				0x5e, 0x80, 0x5c, 0xfd, 0x34, 0x5c, 0xf3, 0x89,
+				0xf1, 0x08, 0x67, 0x0a, 0xc7, 0x6c, 0x8c, 0xb2,
+				0x4c, 0x6c, 0xfc, 0x18, 0x75, 0x5d, 0x43, 0xee,
+				0xa0, 0x9e, 0xe9, 0x4e, 0x38, 0x2d, 0x26, 0xb0,
+				0xbd, 0xb7, 0xb7, 0x3c, 0x32, 0x1b, 0x01, 0x00,
+				0xd4, 0xf0, 0x3b, 0x7f, 0x35, 0x58, 0x94, 0xcf,
+				0x33, 0x2f, 0x83, 0x0e, 0x71, 0x0b, 0x97, 0xce,
+				0x98, 0xc8, 0xa8, 0x4a, 0xbd, 0x0b, 0x94, 0x81,
+				0x14, 0xad, 0x17, 0x6e, 0x00, 0x8d, 0x33, 0xbd,
+				0x60, 0xf9, 0x82, 0xb1, 0xff, 0x37, 0xc8, 0x55,
+				0x97, 0x97, 0xa0, 0x6e, 0xf4, 0xf0, 0xef, 0x61,
+				0xc1, 0x86, 0x32, 0x4e, 0x2b, 0x35, 0x06, 0x38,
+				0x36, 0x06, 0x90, 0x7b, 0x6a, 0x7c, 0x02, 0xb0,
+				0xf9, 0xf6, 0x15, 0x7b, 0x53, 0xc8, 0x67, 0xe4,
+				0xb9, 0x16, 0x6c, 0x76, 0x7b, 0x80, 0x4d, 0x46,
+				0xa5, 0x9b, 0x52, 0x16, 0xcd, 0xe7, 0xa4, 0xe9,
+				0x90, 0x40, 0xc5, 0xa4, 0x04, 0x33, 0x22, 0x5e,
+				0xe2, 0x82, 0xa1, 0xb0, 0xa0, 0x6c, 0x52, 0x3e,
+				0xaf, 0x45, 0x34, 0xd7, 0xf8, 0x3f, 0xa1, 0x15,
+				0x5b, 0x00, 0x47, 0x71, 0x8c, 0xbc, 0x54, 0x6a,
+				0x0d, 0x07, 0x2b, 0x04, 0xb3, 0x56, 0x4e, 0xea,
+				0x1b, 0x42, 0x22, 0x73, 0xf5, 0x48, 0x27, 0x1a,
+				0x0b, 0xb2, 0x31, 0x60, 0x53, 0xfa, 0x76, 0x99,
+				0x19, 0x55, 0xeb, 0xd6, 0x31, 0x59, 0x43, 0x4e,
+				0xce, 0xbb, 0x4e, 0x46, 0x6d, 0xae, 0x5a, 0x10,
+				0x73, 0xa6, 0x72, 0x76, 0x27, 0x09, 0x7a, 0x10,
+				0x49, 0xe6, 0x17, 0xd9, 0x1d, 0x36, 0x10, 0x94,
+				0xfa, 0x68, 0xf0, 0xff, 0x77, 0x98, 0x71, 0x30,
+				0x30, 0x5b, 0xea, 0xba, 0x2e, 0xda, 0x04, 0xdf,
+				0x99, 0x7b, 0x71, 0x4d, 0x6c, 0x6f, 0x2c, 0x29,
+				0xa6, 0xad, 0x5c, 0xb4, 0x02, 0x2b, 0x02, 0x70,
+				0x9b
+		},
+		.len = 265
+	},
+	.auth_tag = {
+		.data = {
+				0xee, 0xad, 0x9d, 0x67, 0x89, 0x0c, 0xbb, 0x22,
+				0x39, 0x23, 0x36, 0xfe, 0xa1, 0x85, 0x1f, 0x38
+		},
+		.len = 16
+	}
+};
 #endif /* TEST_CRYPTODEV_AEAD_TEST_VECTORS_H_ */
diff --git a/drivers/crypto/ipsec_mb/meson.build b/drivers/crypto/ipsec_mb/meson.build
index a1619c78ac..6e0a5f8004 100644
--- a/drivers/crypto/ipsec_mb/meson.build
+++ b/drivers/crypto/ipsec_mb/meson.build
@@ -25,6 +25,7 @@ sources = files('rte_ipsec_mb_pmd.c',
 		'rte_ipsec_mb_pmd_ops.c',
 		'pmd_aesni_mb.c',
 		'pmd_aesni_gcm.c',
+		'pmd_chacha_poly.c',
 		'pmd_kasumi.c',
 		'pmd_snow3g.c',
 		'pmd_zuc.c'
diff --git a/drivers/crypto/ipsec_mb/pmd_chacha_poly.c b/drivers/crypto/ipsec_mb/pmd_chacha_poly.c
new file mode 100644
index 0000000000..0e2fd4d55a
--- /dev/null
+++ b/drivers/crypto/ipsec_mb/pmd_chacha_poly.c
@@ -0,0 +1,529 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2021 Intel Corporation
+ */
+
+#include <intel-ipsec-mb.h>
+
+#if defined(RTE_LIB_SECURITY)
+#define AESNI_MB_DOCSIS_SEC_ENABLED 1
+#include <rte_ether.h>
+#include <rte_security.h>
+#include <rte_security_driver.h>
+#endif
+
+#include "rte_ipsec_mb_pmd_private.h"
+
+#define CHACHA20_POLY1305_IV_LENGTH 12
+#define CHACHA20_POLY1305_DIGEST_LENGTH 16
+#define CHACHA20_POLY1305_KEY_SIZE  32
+
+static const
+struct rte_cryptodev_capabilities chacha20_poly1305_capabilities[] = {
+	{/* CHACHA20-POLY1305 */
+	    .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+	    {.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+		    {.aead = {
+				.algo = RTE_CRYPTO_AEAD_CHACHA20_POLY1305,
+				.block_size = 64,
+				.key_size = {
+					.min = 32,
+					.max = 32,
+					.increment = 0},
+					.digest_size = {
+						.min = 16,
+						.max = 16,
+						.increment = 0},
+					.aad_size = {
+						.min = 0,
+						.max = 240,
+						.increment = 1},
+					.iv_size = {
+						.min = 12,
+						.max = 12,
+						.increment = 0},
+			    },
+			}
+		},}
+	},
+	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+uint8_t pmd_driver_id_chacha20_poly1305;
+
+/** CHACHA20 POLY1305 private session structure */
+struct chacha20_poly1305_session {
+	struct {
+		uint16_t length;
+		uint16_t offset;
+	} iv;
+	/**< IV parameters */
+	uint16_t aad_length;
+	/**< AAD length */
+	uint16_t req_digest_length;
+	/**< Requested digest length */
+	uint16_t gen_digest_length;
+	/**< Generated digest length */
+	uint8_t key[CHACHA20_POLY1305_KEY_SIZE];
+	enum ipsec_mb_operation op;
+} __rte_cache_aligned;
+
+struct chacha20_poly1305_qp_data {
+	struct chacha20_poly1305_context_data chacha20_poly1305_ctx_data;
+	uint8_t temp_digest[CHACHA20_POLY1305_DIGEST_LENGTH];
+	/**< Buffer used to store the digest generated
+	 * by the driver when verifying a digest provided
+	 * by the user (using authentication verify operation)
+	 */
+};
+
+/** Parse crypto xform chain and set private session parameters. */
+static int
+chacha20_poly1305_session_configure(MB_MGR *mb_mgr, void *priv_sess,
+		const struct rte_crypto_sym_xform *xform)
+{
+	struct chacha20_poly1305_session *sess = priv_sess;
+	const struct rte_crypto_sym_xform *auth_xform;
+	const struct rte_crypto_sym_xform *cipher_xform;
+	const struct rte_crypto_sym_xform *aead_xform;
+
+	uint8_t key_length;
+	const uint8_t *key;
+	enum ipsec_mb_operation mode;
+	int ret = 0;
+
+	(void)*mb_mgr;
+	ret = ipsec_mb_parse_xform(xform, &mode, &auth_xform,
+				&cipher_xform, &aead_xform);
+	if (ret)
+		return ret;
+
+	sess->op = mode;
+
+	switch (sess->op) {
+	case IPSEC_MB_OP_AEAD_AUTHENTICATED_ENCRYPT:
+	case IPSEC_MB_OP_AEAD_AUTHENTICATED_DECRYPT:
+		if (aead_xform->aead.algo !=
+				RTE_CRYPTO_AEAD_CHACHA20_POLY1305) {
+			IPSEC_MB_LOG(ERR,
+			"The only combined operation supported is CHACHA20 POLY1305");
+			ret = -ENOTSUP;
+			goto error_exit;
+		}
+		/* Set IV parameters */
+		sess->iv.offset = aead_xform->aead.iv.offset;
+		sess->iv.length = aead_xform->aead.iv.length;
+		key_length = aead_xform->aead.key.length;
+		key = aead_xform->aead.key.data;
+		sess->aad_length = aead_xform->aead.aad_length;
+		sess->req_digest_length = aead_xform->aead.digest_length;
+		break;
+	default:
+		IPSEC_MB_LOG(
+		    ERR, "Wrong xform type, has to be AEAD or authentication");
+		ret = -ENOTSUP;
+		goto error_exit;
+	}
+
+	/* IV check */
+	if (sess->iv.length != CHACHA20_POLY1305_IV_LENGTH &&
+		sess->iv.length != 0) {
+		IPSEC_MB_LOG(ERR, "Wrong IV length");
+		ret = -EINVAL;
+		goto error_exit;
+	}
+
+	/* Check key length */
+	if (key_length != CHACHA20_POLY1305_KEY_SIZE) {
+		IPSEC_MB_LOG(ERR, "Invalid key length");
+		ret = -EINVAL;
+		goto error_exit;
+	} else {
+		memcpy(sess->key, key, CHACHA20_POLY1305_KEY_SIZE);
+	}
+
+	/* Digest check */
+	if (sess->req_digest_length !=  CHACHA20_POLY1305_DIGEST_LENGTH) {
+		IPSEC_MB_LOG(ERR, "Invalid digest length");
+		ret = -EINVAL;
+		goto error_exit;
+	} else {
+		sess->gen_digest_length = CHACHA20_POLY1305_DIGEST_LENGTH;
+	}
+
+error_exit:
+	return ret;
+}
+
+/**
+ * Process a crypto operation, calling
+ * the direct chacha poly API from the multi buffer library.
+ *
+ * @param	qp		queue pair
+ * @param	op		symmetric crypto operation
+ * @param	session		chacha poly session
+ *
+ * @return
+ * - Return 0 if success
+ */
+static int
+chacha20_poly1305_crypto_op(struct ipsec_mb_qp *qp, struct rte_crypto_op *op,
+		struct chacha20_poly1305_session *session)
+{
+	struct chacha20_poly1305_qp_data *qp_data =
+					ipsec_mb_get_qp_private_data(qp);
+	uint8_t *src, *dst;
+	uint8_t *iv_ptr;
+	struct rte_crypto_sym_op *sym_op = op->sym;
+	struct rte_mbuf *m_src = sym_op->m_src;
+	uint32_t offset, data_offset, data_length;
+	uint32_t part_len, data_len;
+	int total_len;
+	uint8_t *tag;
+	unsigned int oop = 0;
+
+	offset = sym_op->aead.data.offset;
+	data_offset = offset;
+	data_length = sym_op->aead.data.length;
+	RTE_ASSERT(m_src != NULL);
+
+	while (offset >= m_src->data_len && data_length != 0) {
+		offset -= m_src->data_len;
+		m_src = m_src->next;
+
+		RTE_ASSERT(m_src != NULL);
+	}
+
+	src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
+
+	data_len = m_src->data_len - offset;
+	part_len = (data_len < data_length) ? data_len :
+			data_length;
+
+	/* In-place */
+	if (sym_op->m_dst == NULL || (sym_op->m_dst == sym_op->m_src))
+		dst = src;
+	/* Out-of-place */
+	else {
+		oop = 1;
+		/* Segmented destination buffer is not supported
+		 * if operation is Out-of-place
+		 */
+		RTE_ASSERT(rte_pktmbuf_is_contiguous(sym_op->m_dst));
+		dst = rte_pktmbuf_mtod_offset(sym_op->m_dst, uint8_t *,
+					data_offset);
+	}
+
+	iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+				session->iv.offset);
+
+	IMB_CHACHA20_POLY1305_INIT(qp->mb_mgr, session->key,
+				&qp_data->chacha20_poly1305_ctx_data,
+				iv_ptr,	sym_op->aead.aad.data,
+				(uint64_t)session->aad_length);
+
+	if (session->op == IPSEC_MB_OP_AEAD_AUTHENTICATED_ENCRYPT) {
+
+		IMB_CHACHA20_POLY1305_ENC_UPDATE(qp->mb_mgr,
+				session->key,
+				&qp_data->chacha20_poly1305_ctx_data,
+				dst, src, (uint64_t)part_len);
+		total_len = data_length - part_len;
+
+		while (total_len) {
+			m_src = m_src->next;
+			RTE_ASSERT(m_src != NULL);
+
+			src = rte_pktmbuf_mtod(m_src, uint8_t *);
+			if (oop)
+				dst += part_len;
+			else
+				dst = src;
+			part_len = (m_src->data_len < total_len) ?
+					m_src->data_len : total_len;
+
+			if (dst == NULL || src == NULL) {
+				IPSEC_MB_LOG(ERR, "Invalid src or dst input");
+				return -EINVAL;
+			}
+			IMB_CHACHA20_POLY1305_ENC_UPDATE(qp->mb_mgr,
+					session->key,
+					&qp_data->chacha20_poly1305_ctx_data,
+					dst, src, (uint64_t)part_len);
+			total_len -= part_len;
+			if (total_len < 0) {
+				IPSEC_MB_LOG(ERR, "Invalid part len");
+				return -EINVAL;
+			}
+		}
+
+		tag = sym_op->aead.digest.data;
+		IMB_CHACHA20_POLY1305_ENC_FINALIZE(qp->mb_mgr,
+					&qp_data->chacha20_poly1305_ctx_data,
+					tag, session->gen_digest_length);
+
+	} else {
+		IMB_CHACHA20_POLY1305_DEC_UPDATE(qp->mb_mgr,
+					session->key,
+					&qp_data->chacha20_poly1305_ctx_data,
+					dst, src, (uint64_t)part_len);
+
+		total_len = data_length - part_len;
+
+		while (total_len) {
+			m_src = m_src->next;
+
+			RTE_ASSERT(m_src != NULL);
+
+			src = rte_pktmbuf_mtod(m_src, uint8_t *);
+			if (oop)
+				dst += part_len;
+			else
+				dst = src;
+			part_len = (m_src->data_len < total_len) ?
+					m_src->data_len : total_len;
+
+			if (dst == NULL || src == NULL) {
+				IPSEC_MB_LOG(ERR, "Invalid src or dst input");
+				return -EINVAL;
+			}
+			IMB_CHACHA20_POLY1305_DEC_UPDATE(qp->mb_mgr,
+					session->key,
+					&qp_data->chacha20_poly1305_ctx_data,
+					dst, src, (uint64_t)part_len);
+			total_len -= part_len;
+			if (total_len < 0) {
+				IPSEC_MB_LOG(ERR, "Invalid part len");
+				return -EINVAL;
+			}
+		}
+
+		tag = qp_data->temp_digest;
+		IMB_CHACHA20_POLY1305_DEC_FINALIZE(qp->mb_mgr,
+					&qp_data->chacha20_poly1305_ctx_data,
+					tag, session->gen_digest_length);
+	}
+
+	return 0;
+}
+
+/**
+ * Process a completed chacha poly op
+ *
+ * @param qp		Queue Pair to process
+ * @param op		Crypto operation
+ * @param sess		Crypto session
+ *
+ * @return
+ * - void
+ */
+static void
+post_process_chacha20_poly1305_crypto_op(struct ipsec_mb_qp *qp,
+		struct rte_crypto_op *op,
+		struct chacha20_poly1305_session *session)
+{
+	struct chacha20_poly1305_qp_data *qp_data =
+					ipsec_mb_get_qp_private_data(qp);
+
+	op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+	/* Verify digest if required */
+	if (session->op == IPSEC_MB_OP_AEAD_AUTHENTICATED_DECRYPT ||
+			session->op == IPSEC_MB_OP_HASH_VERIFY_ONLY) {
+		uint8_t *digest = op->sym->aead.digest.data;
+		uint8_t *tag = qp_data->temp_digest;
+
+#ifdef RTE_LIBRTE_PMD_CHACHA20_POLY1305_DEBUG
+		rte_hexdump(stdout, "auth tag (orig):",
+				digest, session->req_digest_length);
+		rte_hexdump(stdout, "auth tag (calc):",
+				tag, session->req_digest_length);
+#endif
+		if (memcmp(tag, digest,	session->req_digest_length) != 0)
+			op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+
+	}
+
+}
+
+/**
+ * Process a completed Chacha20_poly1305 request
+ *
+ * @param qp		Queue Pair to process
+ * @param op		Crypto operation
+ * @param sess		Crypto session
+ *
+ * @return
+ * - void
+ */
+static void
+handle_completed_chacha20_poly1305_crypto_op(struct ipsec_mb_qp *qp,
+		struct rte_crypto_op *op,
+		struct chacha20_poly1305_session *sess)
+{
+	post_process_chacha20_poly1305_crypto_op(qp, op, sess);
+
+	/* Free session if a session-less crypto op */
+	if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+		memset(sess, 0, sizeof(struct chacha20_poly1305_session));
+		memset(op->sym->session, 0,
+			rte_cryptodev_sym_get_existing_header_session_size(
+				op->sym->session));
+		rte_mempool_put(qp->sess_mp_priv, sess);
+		rte_mempool_put(qp->sess_mp, op->sym->session);
+		op->sym->session = NULL;
+	}
+}
+
+/** Get chacha poly session */
+static inline struct chacha20_poly1305_session *
+chacha20_poly1305_get_session(struct ipsec_mb_qp *qp,
+	     struct rte_crypto_op *op)
+{
+	struct chacha20_poly1305_session *sess = NULL;
+	uint32_t driver_id =
+	    ipsec_mb_get_driver_id(IPSEC_MB_PMD_TYPE_CHACHA20_POLY1305);
+	struct rte_crypto_sym_op *sym_op = op->sym;
+
+	if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+		if (likely(sym_op->session != NULL))
+			sess = (struct chacha20_poly1305_session *)
+			    get_sym_session_private_data(sym_op->session,
+							 driver_id);
+	} else {
+		void *_sess;
+		void *_sess_private_data = NULL;
+
+		if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+			return NULL;
+
+		if (rte_mempool_get(qp->sess_mp_priv,
+				(void **)&_sess_private_data))
+			return NULL;
+
+		sess = (struct chacha20_poly1305_session *)_sess_private_data;
+
+		if (unlikely(chacha20_poly1305_session_configure(qp->mb_mgr,
+				 _sess_private_data, sym_op->xform) != 0)) {
+			rte_mempool_put(qp->sess_mp, _sess);
+			rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
+			sess = NULL;
+		}
+		sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
+		set_sym_session_private_data(sym_op->session, driver_id,
+					     _sess_private_data);
+	}
+
+	if (unlikely(sess == NULL))
+		op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
+	return sess;
+}
+
+static uint16_t
+chacha20_poly1305_pmd_dequeue_burst(void *queue_pair,
+		struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+	struct chacha20_poly1305_session *sess;
+	struct ipsec_mb_qp *qp = queue_pair;
+
+	int retval = 0;
+	unsigned int i = 0, nb_dequeued;
+
+	nb_dequeued = rte_ring_dequeue_burst(qp->ingress_queue,
+			(void **)ops, nb_ops, NULL);
+
+	for (i = 0; i < nb_dequeued; i++) {
+
+		sess = chacha20_poly1305_get_session(qp, ops[i]);
+		if (unlikely(sess == NULL)) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			qp->stats.dequeue_err_count++;
+			break;
+		}
+
+		retval = chacha20_poly1305_crypto_op(qp, ops[i], sess);
+		if (retval < 0) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			qp->stats.dequeue_err_count++;
+			break;
+		}
+
+		handle_completed_chacha20_poly1305_crypto_op(qp, ops[i], sess);
+	}
+
+	qp->stats.dequeued_count += i;
+
+	return i;
+}
+
+struct rte_cryptodev_ops chacha20_poly1305_pmd_ops = {
+	.dev_configure = ipsec_mb_pmd_config,
+	.dev_start = ipsec_mb_pmd_start,
+	.dev_stop = ipsec_mb_pmd_stop,
+	.dev_close = ipsec_mb_pmd_close,
+
+	.stats_get = ipsec_mb_pmd_stats_get,
+	.stats_reset = ipsec_mb_pmd_stats_reset,
+
+	.dev_infos_get = ipsec_mb_pmd_info_get,
+
+	.queue_pair_setup = ipsec_mb_pmd_qp_setup,
+	.queue_pair_release = ipsec_mb_pmd_qp_release,
+
+	.sym_session_get_size = ipsec_mb_pmd_sym_session_get_size,
+	.sym_session_configure = ipsec_mb_pmd_sym_session_configure,
+	.sym_session_clear = ipsec_mb_pmd_sym_session_clear
+};
+
+struct rte_cryptodev_ops *rte_chacha20_poly1305_pmd_ops =
+						&chacha20_poly1305_pmd_ops;
+
+static int
+cryptodev_chacha20_poly1305_probe(struct rte_vdev_device *vdev)
+{
+	return cryptodev_ipsec_mb_create(vdev,
+			IPSEC_MB_PMD_TYPE_CHACHA20_POLY1305);
+}
+
+static struct rte_vdev_driver cryptodev_chacha20_poly1305_pmd_drv = {
+	.probe = cryptodev_chacha20_poly1305_probe,
+	.remove = cryptodev_ipsec_mb_remove
+};
+
+static struct cryptodev_driver chacha20_poly1305_crypto_drv;
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CHACHA20_POLY1305_PMD,
+					cryptodev_chacha20_poly1305_pmd_drv);
+RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_CHACHA20_POLY1305_PMD,
+					cryptodev_chacha20_poly1305_pmd);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CHACHA20_POLY1305_PMD,
+			       "max_nb_queue_pairs=<int> socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(chacha20_poly1305_crypto_drv,
+				cryptodev_chacha20_poly1305_pmd_drv.driver,
+				pmd_driver_id_chacha20_poly1305);
+
+/* Constructor function to register chacha20_poly1305 PMD */
+RTE_INIT(ipsec_mb_register_chacha20_poly1305)
+{
+	struct ipsec_mb_pmd_data *chacha_poly_data
+		= &ipsec_mb_pmds[IPSEC_MB_PMD_TYPE_CHACHA20_POLY1305];
+
+	chacha_poly_data->caps = chacha20_poly1305_capabilities;
+	chacha_poly_data->dequeue_burst = chacha20_poly1305_pmd_dequeue_burst;
+	chacha_poly_data->feature_flags =
+		RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+		RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+		RTE_CRYPTODEV_FF_IN_PLACE_SGL |
+		RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+		RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
+		RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO |
+		RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
+	chacha_poly_data->internals_priv_size = 0;
+	chacha_poly_data->ops = &chacha20_poly1305_pmd_ops;
+	chacha_poly_data->qp_priv_size =
+			sizeof(struct chacha20_poly1305_qp_data);
+	chacha_poly_data->session_configure =
+			chacha20_poly1305_session_configure;
+	chacha_poly_data->session_priv_size =
+			sizeof(struct chacha20_poly1305_session);
+}
diff --git a/drivers/crypto/ipsec_mb/rte_ipsec_mb_pmd_private.h b/drivers/crypto/ipsec_mb/rte_ipsec_mb_pmd_private.h
index 61864346cf..31de4b53ae 100644
--- a/drivers/crypto/ipsec_mb/rte_ipsec_mb_pmd_private.h
+++ b/drivers/crypto/ipsec_mb/rte_ipsec_mb_pmd_private.h
@@ -46,6 +46,9 @@ extern RTE_DEFINE_PER_LCORE(MB_MGR *, mb_mgr);
 #define CRYPTODEV_NAME_ZUC_PMD crypto_zuc
 /**< IPSEC Multi buffer PMD zuc device name */
 
+#define CRYPTODEV_NAME_CHACHA20_POLY1305_PMD crypto_chacha20_poly1305
+/**< IPSEC Multi buffer PMD chacha20_poly1305 device name */
+
 /** PMD LOGTYPE DRIVER, common to all PMDs */
 extern int ipsec_mb_logtype_driver;
 #define IPSEC_MB_LOG(level, fmt, ...)                                         \
@@ -59,6 +62,7 @@ enum ipsec_mb_pmd_types {
 	IPSEC_MB_PMD_TYPE_KASUMI,
 	IPSEC_MB_PMD_TYPE_SNOW3G,
 	IPSEC_MB_PMD_TYPE_ZUC,
+	IPSEC_MB_PMD_TYPE_CHACHA20_POLY1305,
 	IPSEC_MB_N_PMD_TYPES
 };
 
@@ -82,6 +86,7 @@ extern uint8_t pmd_driver_id_aesni_gcm;
 extern uint8_t pmd_driver_id_kasumi;
 extern uint8_t pmd_driver_id_snow3g;
 extern uint8_t pmd_driver_id_zuc;
+extern uint8_t pmd_driver_id_chacha20_poly1305;
 
 /** Helper function. Gets driver ID based on PMD type */
 static __rte_always_inline uint8_t
@@ -98,6 +103,8 @@ ipsec_mb_get_driver_id(enum ipsec_mb_pmd_types pmd_type)
 		return pmd_driver_id_snow3g;
 	case IPSEC_MB_PMD_TYPE_ZUC:
 		return pmd_driver_id_zuc;
+	case IPSEC_MB_PMD_TYPE_CHACHA20_POLY1305:
+		return pmd_driver_id_chacha20_poly1305;
 	default:
 		break;
 	}
-- 
2.25.1