diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst
index 15388d20a..cf7ad5d57 100644
--- a/doc/guides/cryptodevs/aesni_mb.rst
+++ b/doc/guides/cryptodevs/aesni_mb.rst
@@ -54,6 +54,7 @@ AEAD algorithms:
 
 * RTE_CRYPTO_AEAD_AES_CCM
 * RTE_CRYPTO_AEAD_AES_GCM
+* RTE_CRYPTO_AEAD_CHACHA20_POLY1305
 
 Protocol offloads:
 
diff --git a/doc/guides/cryptodevs/features/aesni_mb.ini b/doc/guides/cryptodevs/features/aesni_mb.ini
index 38d255aff..2e8305709 100644
--- a/doc/guides/cryptodevs/features/aesni_mb.ini
+++ b/doc/guides/cryptodevs/features/aesni_mb.ini
@@ -54,11 +54,11 @@ AES GMAC     = Y
 ; Supported AEAD algorithms of the 'aesni_mb' crypto driver.
 ;
 [AEAD]
-AES CCM (128) = Y
-AES GCM (128) = Y
-AES GCM (192) = Y
-AES GCM (256) = Y
-
+AES CCM (128)     = Y
+AES GCM (128)     = Y
+AES GCM (192)     = Y
+AES GCM (256)     = Y
+CHACHA20-POLY1305 = Y
 ;
 ; Supported Asymmetric algorithms of the 'aesni_mb' crypto driver.
 ;
diff --git a/doc/guides/rel_notes/release_20_11.rst b/doc/guides/rel_notes/release_20_11.rst
index 6d8c24413..f606c9a74 100644
--- a/doc/guides/rel_notes/release_20_11.rst
+++ b/doc/guides/rel_notes/release_20_11.rst
@@ -210,6 +210,9 @@ API Changes
 
 * bpf: ``RTE_BPF_XTYPE_NUM`` has been dropped from ``rte_bpf_xtype``.
 
+* **Updated the AESNI MB crypto PMD.**
+
+  * Added support for Chacha20-Poly1305.
 
 ABI Changes
 -----------
diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index fa364530e..7b4d5f148 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -125,6 +125,18 @@ aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
 	return AESNI_MB_OP_NOT_SUPPORTED;
 }
 
+static inline int
+is_aead_algo(JOB_HASH_ALG hash_alg, JOB_CIPHER_MODE cipher_mode)
+{
+#if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
+	return (hash_alg == IMB_AUTH_CHACHA20_POLY1305 || hash_alg == AES_CCM ||
+		(hash_alg == AES_GMAC && cipher_mode == GCM));
+#else
+	return ((hash_alg == AES_GMAC && cipher_mode == GCM) ||
+		hash_alg == AES_CCM);
+#endif
+}
+
 /** Set session authentication parameters */
 static int
 aesni_mb_set_session_auth_parameters(const MB_MGR *mb_mgr,
@@ -624,6 +636,24 @@ aesni_mb_set_session_aead_parameters(const MB_MGR *mb_mgr,
 		}
 		break;
 
+#if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
+	case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
+		sess->cipher.mode = IMB_CIPHER_CHACHA20_POLY1305;
+		sess->auth.algo = IMB_AUTH_CHACHA20_POLY1305;
+
+		if (xform->aead.key.length != 32) {
+			AESNI_MB_LOG(ERR, "Invalid key length");
+			return -EINVAL;
+		}
+		sess->cipher.key_length_in_bytes = 32;
+		memcpy(sess->cipher.expanded_aes_keys.encode,
+			xform->aead.key.data, 32);
+		if (sess->auth.req_digest_len != 16) {
+			AESNI_MB_LOG(ERR, "Invalid digest size\n");
+			return -EINVAL;
+		}
+		break;
+#endif
 	default:
 		AESNI_MB_LOG(ERR, "Unsupported aead mode parameter");
 		return -ENOTSUP;
@@ -1122,6 +1152,8 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 	/* Set authentication parameters */
 	job->hash_alg = session->auth.algo;
 
+	const int aead = is_aead_algo(job->hash_alg, job->cipher_mode);
+
 	switch (job->hash_alg) {
 	case AES_XCBC:
 		job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded;
@@ -1168,6 +1200,14 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 		job->aes_dec_key_expanded = &session->cipher.gcm_key;
 		break;
 
+#if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
+	case IMB_AUTH_CHACHA20_POLY1305:
+		job->u.CHACHA20_POLY1305.aad = op->sym->aead.aad.data;
+		job->u.CHACHA20_POLY1305.aad_len_in_bytes = session->aead.aad_len;
+		job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
+		job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.encode;
+		break;
+#endif
 	default:
 		job->u.HMAC._hashed_auth_key_xor_ipad = session->auth.pads.inner;
 		job->u.HMAC._hashed_auth_key_xor_opad = session->auth.pads.outer;
@@ -1199,8 +1239,7 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 		oop = 1;
 	}
 
-	if (job->hash_alg == AES_CCM || (job->hash_alg == AES_GMAC &&
-			session->cipher.mode == GCM))
+	if (aead)
 		m_offset = op->sym->aead.data.offset;
 	else
 		m_offset = op->sym->cipher.data.offset;
@@ -1211,8 +1250,7 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 		job->auth_tag_output = qp->temp_digests[*digest_idx];
 		*digest_idx = (*digest_idx + 1) % MAX_JOBS;
 	} else {
-		if (job->hash_alg == AES_CCM || (job->hash_alg == AES_GMAC &&
-				session->cipher.mode == GCM))
+		if (aead)
 			job->auth_tag_output = op->sym->aead.digest.data;
 		else
 			job->auth_tag_output = op->sym->auth.digest.data;
@@ -1272,6 +1310,19 @@ set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 				session->iv.offset);
 		break;
 
+#if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
+	case IMB_AUTH_CHACHA20_POLY1305:
+		job->cipher_start_src_offset_in_bytes = op->sym->aead.data.offset;
+		job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
+		job->msg_len_to_cipher_in_bytes =
+				op->sym->aead.data.length;
+		job->msg_len_to_hash_in_bytes =
+					op->sym->aead.data.length;
+
+		job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+				session->iv.offset);
+		break;
+#endif
 	default:
 		job->cipher_start_src_offset_in_bytes =
 				op->sym->cipher.data.offset;
@@ -1462,9 +1513,7 @@ post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
 				break;
 
 			if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
-				if (job->hash_alg == AES_CCM ||
-					(job->hash_alg == AES_GMAC &&
-						sess->cipher.mode == GCM))
+				if (is_aead_algo(job->hash_alg, sess->cipher.mode))
 					verify_digest(job,
 						op->sym->aead.digest.data,
 						sess->auth.req_digest_len,
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 3e4282954..3089b0ca4 100644
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c
@@ -497,6 +497,38 @@ static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
 			}, }
 		}, }
 	},
+#if IMB_VERSION(0, 54, 3) <= IMB_VERSION_NUM
+	{	/* 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			\
+				},					\
+			}, }						\
+		}, }							\
+	},
+#endif
 	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 };
 
