diff --git a/drivers/common/cnxk/cnxk_security.c b/drivers/common/cnxk/cnxk_security.c
new file mode 100644
index 0000000..17889bb
--- /dev/null
+++ b/drivers/common/cnxk/cnxk_security.c
@@ -0,0 +1,468 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#include "cnxk_security.h"
+
+static int
+ot_ipsec_sa_common_param_fill(union roc_ot_ipsec_sa_word2 *w2,
+			      uint8_t *cipher_key, uint8_t *salt_key,
+			      struct rte_security_ipsec_xform *ipsec_xfrm,
+			      struct rte_crypto_sym_xform *crypto_xfrm)
+{
+	const uint8_t *key;
+	uint32_t *tmp_salt;
+	uint64_t *tmp_key;
+	int length, i;
+
+	/* Set direction */
+	switch (ipsec_xfrm->direction) {
+	case RTE_SECURITY_IPSEC_SA_DIR_INGRESS:
+		w2->s.dir = ROC_IE_OT_SA_DIR_INBOUND;
+		break;
+	case RTE_SECURITY_IPSEC_SA_DIR_EGRESS:
+		w2->s.dir = ROC_IE_OT_SA_DIR_OUTBOUND;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set protocol - ESP vs AH */
+	switch (ipsec_xfrm->proto) {
+	case RTE_SECURITY_IPSEC_SA_PROTO_ESP:
+		w2->s.protocol = ROC_IE_OT_SA_PROTOCOL_ESP;
+		break;
+	case RTE_SECURITY_IPSEC_SA_PROTO_AH:
+		w2->s.protocol = ROC_IE_OT_SA_PROTOCOL_AH;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set mode - transport vs tunnel */
+	switch (ipsec_xfrm->mode) {
+	case RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT:
+		w2->s.mode = ROC_IE_OT_SA_MODE_TRANSPORT;
+		break;
+	case RTE_SECURITY_IPSEC_SA_MODE_TUNNEL:
+		w2->s.mode = ROC_IE_OT_SA_MODE_TUNNEL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set encryption algorithm */
+	if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		key = crypto_xfrm->aead.key.data;
+		length = crypto_xfrm->aead.key.length;
+
+		switch (crypto_xfrm->aead.algo) {
+		case RTE_CRYPTO_AEAD_AES_GCM:
+			w2->s.enc_type = ROC_IE_OT_SA_ENC_AES_GCM;
+			w2->s.auth_type = ROC_IE_OT_SA_AUTH_NULL;
+			memcpy(salt_key, &ipsec_xfrm->salt, 4);
+			tmp_salt = (uint32_t *)salt_key;
+			*tmp_salt = rte_be_to_cpu_32(*tmp_salt);
+			break;
+		default:
+			return -ENOTSUP;
+		}
+	} else {
+		return -ENOTSUP;
+	}
+
+	w2->s.spi = ipsec_xfrm->spi;
+
+	/* Copy encryption key */
+	memcpy(cipher_key, key, length);
+	tmp_key = (uint64_t *)cipher_key;
+	for (i = 0; i < (int)(ROC_CTX_MAX_CKEY_LEN / sizeof(uint64_t)); i++)
+		tmp_key[i] = rte_be_to_cpu_64(tmp_key[i]);
+
+	switch (length) {
+	case ROC_CPT_AES128_KEY_LEN:
+		w2->s.aes_key_len = ROC_IE_OT_SA_AES_KEY_LEN_128;
+		break;
+	case ROC_CPT_AES192_KEY_LEN:
+		w2->s.aes_key_len = ROC_IE_OT_SA_AES_KEY_LEN_192;
+		break;
+	case ROC_CPT_AES256_KEY_LEN:
+		w2->s.aes_key_len = ROC_IE_OT_SA_AES_KEY_LEN_256;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static size_t
+ot_ipsec_inb_ctx_size(struct roc_ot_ipsec_inb_sa *sa)
+{
+	size_t size;
+
+	/* Variable based on Anti-replay Window */
+	size = offsetof(struct roc_ot_ipsec_inb_sa, ctx) +
+	       offsetof(struct roc_ot_ipsec_inb_ctx_update_reg, ar_winbits);
+
+	if (sa->w0.s.ar_win)
+		size += (1 << (sa->w0.s.ar_win - 1)) * sizeof(uint64_t);
+
+	return size;
+}
+
+int
+cnxk_ot_ipsec_inb_sa_fill(struct roc_ot_ipsec_inb_sa *sa,
+			  struct rte_security_ipsec_xform *ipsec_xfrm,
+			  struct rte_crypto_sym_xform *crypto_xfrm)
+{
+	union roc_ot_ipsec_sa_word2 w2;
+	uint32_t replay_win_sz;
+	size_t offset;
+	int rc;
+
+	w2.u64 = 0;
+	rc = ot_ipsec_sa_common_param_fill(&w2, sa->cipher_key, sa->w8.s.salt,
+					   ipsec_xfrm, crypto_xfrm);
+	if (rc)
+		return rc;
+
+	/* Updata common word2 data */
+	sa->w2.u64 = w2.u64;
+
+	/* Only support power-of-two window sizes supported */
+	replay_win_sz = ipsec_xfrm->replay_win_sz;
+	if (replay_win_sz) {
+		if (!rte_is_power_of_2(replay_win_sz) ||
+		    replay_win_sz > ROC_AR_WIN_SIZE_MAX)
+			return -ENOTSUP;
+
+		sa->w0.s.ar_win = rte_log2_u32(replay_win_sz) - 5;
+	}
+
+	/* Default options for pkt_out and pkt_fmt are with
+	 * second pass meta and no defrag.
+	 */
+	sa->w0.s.pkt_format = ROC_IE_OT_SA_PKT_FMT_META;
+	sa->w0.s.pkt_output = ROC_IE_OT_SA_PKT_OUTPUT_HW_BASED_DEFRAG;
+	sa->w0.s.pkind = ROC_OT_CPT_META_PKIND;
+
+	/* ESN */
+	sa->w2.s.esn_en = !!ipsec_xfrm->options.esn;
+
+	offset = offsetof(struct roc_ot_ipsec_inb_sa, ctx);
+	/* Word offset for HW managed SA field */
+	sa->w0.s.hw_ctx_off = offset / 8;
+	/* Context push size for inbound spans up to hw_ctx including
+	 * ar_base field, in 8b units
+	 */
+	sa->w0.s.ctx_push_size = sa->w0.s.hw_ctx_off + 1;
+	/* Entire context size in 128B units */
+	sa->w0.s.ctx_size =
+		(PLT_ALIGN_CEIL(ot_ipsec_inb_ctx_size(sa), ROC_CTX_UNIT_128B) /
+		 ROC_CTX_UNIT_128B) -
+		1;
+
+	/* There are two words of CPT_CTX_HW_S for ucode to skip */
+	sa->w0.s.ctx_hdr_size = 1;
+	sa->w0.s.aop_valid = 1;
+
+	rte_wmb();
+
+	/* Enable SA */
+	sa->w2.s.valid = 1;
+	return 0;
+}
+
+int
+cnxk_ot_ipsec_outb_sa_fill(struct roc_ot_ipsec_outb_sa *sa,
+			   struct rte_security_ipsec_xform *ipsec_xfrm,
+			   struct rte_crypto_sym_xform *crypto_xfrm)
+{
+	struct rte_security_ipsec_tunnel_param *tunnel = &ipsec_xfrm->tunnel;
+	union roc_ot_ipsec_sa_word2 w2;
+	size_t offset;
+	int rc;
+
+	w2.u64 = 0;
+	rc = ot_ipsec_sa_common_param_fill(&w2, sa->cipher_key, sa->iv.s.salt,
+					   ipsec_xfrm, crypto_xfrm);
+	if (rc)
+		return rc;
+
+	/* Update common word2 data */
+	sa->w2.u64 = w2.u64;
+
+	if (ipsec_xfrm->mode != RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
+		goto skip_tunnel_info;
+
+	/* Tunnel header info */
+	switch (tunnel->type) {
+	case RTE_SECURITY_IPSEC_TUNNEL_IPV4:
+		sa->w2.s.outer_ip_ver = ROC_IE_OT_SA_IP_VERSION_4;
+		memcpy(&sa->outer_hdr.ipv4.src_addr, &tunnel->ipv4.src_ip,
+		       sizeof(struct in_addr));
+		memcpy(&sa->outer_hdr.ipv4.dst_addr, &tunnel->ipv4.dst_ip,
+		       sizeof(struct in_addr));
+
+		/* IP Source and Dest seems to be in LE/CPU endian */
+		sa->outer_hdr.ipv4.src_addr =
+			rte_be_to_cpu_32(sa->outer_hdr.ipv4.src_addr);
+		sa->outer_hdr.ipv4.dst_addr =
+			rte_be_to_cpu_32(sa->outer_hdr.ipv4.dst_addr);
+
+		/* Outer header DF bit source */
+		if (!ipsec_xfrm->options.copy_df) {
+			sa->w2.s.ipv4_df_src_or_ipv6_flw_lbl_src =
+				ROC_IE_OT_SA_COPY_FROM_SA;
+			sa->w10.s.ipv4_df_or_ipv6_flw_lbl = tunnel->ipv4.df;
+		} else {
+			sa->w2.s.ipv4_df_src_or_ipv6_flw_lbl_src =
+				ROC_IE_OT_SA_COPY_FROM_INNER_IP_HDR;
+		}
+
+		/* Outer header DSCP source */
+		if (!ipsec_xfrm->options.copy_dscp) {
+			sa->w2.s.dscp_src = ROC_IE_OT_SA_COPY_FROM_SA;
+			sa->w10.s.dscp = tunnel->ipv4.dscp;
+		} else {
+			sa->w2.s.dscp_src = ROC_IE_OT_SA_COPY_FROM_INNER_IP_HDR;
+		}
+		break;
+	case RTE_SECURITY_IPSEC_TUNNEL_IPV6:
+		sa->w2.s.outer_ip_ver = ROC_IE_OT_SA_IP_VERSION_6;
+		memcpy(&sa->outer_hdr.ipv6.src_addr, &tunnel->ipv6.src_addr,
+		       sizeof(struct in6_addr));
+		memcpy(&sa->outer_hdr.ipv6.dst_addr, &tunnel->ipv6.dst_addr,
+		       sizeof(struct in6_addr));
+
+		/* Outer header flow label source */
+		if (!ipsec_xfrm->options.copy_flabel) {
+			sa->w2.s.ipv4_df_src_or_ipv6_flw_lbl_src =
+				ROC_IE_OT_SA_COPY_FROM_SA;
+
+			sa->w10.s.ipv4_df_or_ipv6_flw_lbl = tunnel->ipv6.flabel;
+		} else {
+			sa->w2.s.ipv4_df_src_or_ipv6_flw_lbl_src =
+				ROC_IE_OT_SA_COPY_FROM_INNER_IP_HDR;
+		}
+
+		/* Outer header DSCP source */
+		if (!ipsec_xfrm->options.copy_dscp) {
+			sa->w2.s.dscp_src = ROC_IE_OT_SA_COPY_FROM_SA;
+			sa->w10.s.dscp = tunnel->ipv6.dscp;
+		} else {
+			sa->w2.s.dscp_src = ROC_IE_OT_SA_COPY_FROM_INNER_IP_HDR;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Default options of DSCP and Flow label/DF */
+	sa->w2.s.dscp_src = ROC_IE_OT_SA_COPY_FROM_SA;
+	sa->w2.s.ipv4_df_src_or_ipv6_flw_lbl_src = ROC_IE_OT_SA_COPY_FROM_SA;
+
+skip_tunnel_info:
+	/* ESN */
+	sa->w0.s.esn_en = !!ipsec_xfrm->options.esn;
+
+	offset = offsetof(struct roc_ot_ipsec_outb_sa, ctx);
+	/* Word offset for HW managed SA field */
+	sa->w0.s.hw_ctx_off = offset / 8;
+	/* Context push size is up to hmac_opad_ipad */
+	sa->w0.s.ctx_push_size = sa->w0.s.hw_ctx_off;
+	/* Entire context size in 128B units */
+	offset = sizeof(struct roc_ot_ipsec_outb_sa);
+	sa->w0.s.ctx_size = (PLT_ALIGN_CEIL(offset, ROC_CTX_UNIT_128B) /
+			     ROC_CTX_UNIT_128B) -
+			    1;
+
+	/* IPID gen */
+	sa->w2.s.ipid_gen = 1;
+
+	/* There are two words of CPT_CTX_HW_S for ucode to skip */
+	sa->w0.s.ctx_hdr_size = 1;
+	sa->w0.s.aop_valid = 1;
+
+	rte_wmb();
+
+	/* Enable SA */
+	sa->w2.s.valid = 1;
+	return 0;
+}
+
+bool
+cnxk_ot_ipsec_inb_sa_valid(struct roc_ot_ipsec_inb_sa *sa)
+{
+	return !!sa->w2.s.valid;
+}
+
+bool
+cnxk_ot_ipsec_outb_sa_valid(struct roc_ot_ipsec_outb_sa *sa)
+{
+	return !!sa->w2.s.valid;
+}
+
+uint8_t
+cnxk_ipsec_ivlen_get(enum rte_crypto_cipher_algorithm c_algo,
+		     enum rte_crypto_auth_algorithm a_algo,
+		     enum rte_crypto_aead_algorithm aead_algo)
+{
+	uint8_t ivlen = 0;
+
+	if (aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
+		ivlen = 8;
+
+	switch (c_algo) {
+	case RTE_CRYPTO_CIPHER_AES_CTR:
+		ivlen = 8;
+		break;
+	case RTE_CRYPTO_CIPHER_3DES_CBC:
+		ivlen = ROC_CPT_DES_BLOCK_LENGTH;
+		break;
+	case RTE_CRYPTO_CIPHER_AES_CBC:
+		ivlen = ROC_CPT_AES_BLOCK_LENGTH;
+		break;
+	default:
+		break;
+	}
+
+	switch (a_algo) {
+	case RTE_CRYPTO_AUTH_AES_GMAC:
+		ivlen = 8;
+		break;
+	default:
+		break;
+	}
+
+	return ivlen;
+}
+
+uint8_t
+cnxk_ipsec_icvlen_get(enum rte_crypto_cipher_algorithm c_algo,
+		      enum rte_crypto_auth_algorithm a_algo,
+		      enum rte_crypto_aead_algorithm aead_algo)
+{
+	uint8_t icv = 0;
+
+	(void)c_algo;
+
+	switch (a_algo) {
+	case RTE_CRYPTO_AUTH_NULL:
+		icv = 0;
+		break;
+	case RTE_CRYPTO_AUTH_SHA1:
+		icv = 12;
+		break;
+	case RTE_CRYPTO_AUTH_SHA256:
+	case RTE_CRYPTO_AUTH_AES_GMAC:
+		icv = 16;
+		break;
+	case RTE_CRYPTO_AUTH_SHA384:
+		icv = 24;
+		break;
+	case RTE_CRYPTO_AUTH_SHA512:
+		icv = 32;
+		break;
+	default:
+		break;
+	}
+
+	switch (aead_algo) {
+	case RTE_CRYPTO_AEAD_AES_GCM:
+		icv = 16;
+		break;
+	default:
+		break;
+	}
+
+	return icv;
+}
+
+uint8_t
+cnxk_ipsec_outb_roundup_byte(enum rte_crypto_cipher_algorithm c_algo,
+			     enum rte_crypto_aead_algorithm aead_algo)
+{
+	uint8_t roundup_byte = 4;
+
+	if (aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
+		return roundup_byte;
+
+	switch (c_algo) {
+	case RTE_CRYPTO_CIPHER_AES_CTR:
+		roundup_byte = 4;
+		break;
+	case RTE_CRYPTO_CIPHER_AES_CBC:
+		roundup_byte = 16;
+		break;
+	case RTE_CRYPTO_CIPHER_3DES_CBC:
+		roundup_byte = 8;
+		break;
+	case RTE_CRYPTO_CIPHER_NULL:
+		roundup_byte = 4;
+		break;
+	default:
+		break;
+	}
+
+	return roundup_byte;
+}
+
+int
+cnxk_ipsec_outb_rlens_get(struct cnxk_ipsec_outb_rlens *rlens,
+			  struct rte_security_ipsec_xform *ipsec_xfrm,
+			  struct rte_crypto_sym_xform *crypto_xfrm)
+{
+	struct rte_security_ipsec_tunnel_param *tunnel = &ipsec_xfrm->tunnel;
+	enum rte_crypto_cipher_algorithm c_algo = RTE_CRYPTO_CIPHER_NULL;
+	enum rte_crypto_auth_algorithm a_algo = RTE_CRYPTO_AUTH_NULL;
+	enum rte_crypto_aead_algorithm aead_algo = 0;
+	uint16_t partial_len = 0;
+	uint8_t roundup_byte = 0;
+	int8_t roundup_len = 0;
+
+	memset(rlens, 0, sizeof(struct cnxk_ipsec_outb_rlens));
+
+	/* Get Cipher and Auth algo */
+	if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		aead_algo = crypto_xfrm->aead.algo;
+	} else {
+		if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+			c_algo = crypto_xfrm->cipher.algo;
+		else
+			a_algo = crypto_xfrm->auth.algo;
+
+		if (crypto_xfrm->next) {
+			if (crypto_xfrm->next->type ==
+			    RTE_CRYPTO_SYM_XFORM_CIPHER)
+				c_algo = crypto_xfrm->next->cipher.algo;
+			else
+				a_algo = crypto_xfrm->next->auth.algo;
+		}
+	}
+
+	if (ipsec_xfrm->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP) {
+		partial_len = ROC_CPT_ESP_HDR_LEN;
+		roundup_len = ROC_CPT_ESP_TRL_LEN;
+	} else {
+		partial_len = ROC_CPT_AH_HDR_LEN;
+	}
+
+	if (ipsec_xfrm->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+		if (tunnel->type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
+			partial_len += ROC_CPT_TUNNEL_IPV4_HDR_LEN;
+		else
+			partial_len += ROC_CPT_TUNNEL_IPV6_HDR_LEN;
+	}
+
+	partial_len += cnxk_ipsec_ivlen_get(c_algo, a_algo, aead_algo);
+	partial_len += cnxk_ipsec_icvlen_get(c_algo, a_algo, aead_algo);
+	roundup_byte = cnxk_ipsec_outb_roundup_byte(c_algo, aead_algo);
+
+	rlens->partial_len = partial_len;
+	rlens->roundup_len = roundup_len;
+	rlens->roundup_byte = roundup_byte;
+	rlens->max_extended_len = partial_len + roundup_len + roundup_byte;
+	return 0;
+}
diff --git a/drivers/common/cnxk/cnxk_security.h b/drivers/common/cnxk/cnxk_security.h
new file mode 100644
index 0000000..602f583
--- /dev/null
+++ b/drivers/common/cnxk/cnxk_security.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+#ifndef _CNXK_SECURITY_H__
+#define _CNXK_SECURITY_H__
+
+#include <rte_crypto.h>
+#include <rte_security.h>
+
+#include "roc_api.h"
+
+/* Response length calculation data */
+struct cnxk_ipsec_outb_rlens {
+	uint16_t partial_len;
+	uint8_t roundup_byte;
+	int8_t roundup_len;
+	uint16_t max_extended_len;
+};
+
+int __roc_api
+cnxk_ipsec_outb_rlens_get(struct cnxk_ipsec_outb_rlens *rlens,
+			  struct rte_security_ipsec_xform *ipsec_xfrm,
+			  struct rte_crypto_sym_xform *crypto_xfrm);
+uint8_t __roc_api
+cnxk_ipsec_ivlen_get(enum rte_crypto_cipher_algorithm c_algo,
+		     enum rte_crypto_auth_algorithm a_algo,
+		     enum rte_crypto_aead_algorithm aead_algo);
+uint8_t __roc_api
+cnxk_ipsec_icvlen_get(enum rte_crypto_cipher_algorithm c_algo,
+		      enum rte_crypto_auth_algorithm a_algo,
+		      enum rte_crypto_aead_algorithm aead_algo);
+
+uint8_t __roc_api
+cnxk_ipsec_outb_roundup_byte(enum rte_crypto_cipher_algorithm c_algo,
+			     enum rte_crypto_aead_algorithm aead_algo);
+
+/* [CN10K, .) */
+int __roc_api
+cnxk_ot_ipsec_inb_sa_fill(struct roc_ot_ipsec_inb_sa *sa,
+			  struct rte_security_ipsec_xform *ipsec_xfrm,
+			  struct rte_crypto_sym_xform *crypto_xfrm);
+int __roc_api
+cnxk_ot_ipsec_outb_sa_fill(struct roc_ot_ipsec_outb_sa *sa,
+			   struct rte_security_ipsec_xform *ipsec_xfrm,
+			   struct rte_crypto_sym_xform *crypto_xfrm);
+bool __roc_api cnxk_ot_ipsec_inb_sa_valid(struct roc_ot_ipsec_inb_sa *sa);
+bool __roc_api cnxk_ot_ipsec_outb_sa_valid(struct roc_ot_ipsec_outb_sa *sa);
+
+#endif /* _CNXK_SECURITY_H__ */
diff --git a/drivers/common/cnxk/meson.build b/drivers/common/cnxk/meson.build
index 4c5d318..1f118ef 100644
--- a/drivers/common/cnxk/meson.build
+++ b/drivers/common/cnxk/meson.build
@@ -9,7 +9,7 @@ if not is_linux or not dpdk_conf.get('RTE_ARCH_64')
 endif
 
 config_flag_fmt = 'RTE_LIBRTE_@0@_COMMON'
-deps = ['eal', 'pci', 'bus_pci', 'mbuf']
+deps = ['eal', 'pci', 'bus_pci', 'mbuf', 'security']
 sources = files(
         'roc_ae.c',
         'roc_ae_fpm_tables.c',
@@ -51,4 +51,8 @@ sources = files(
         'roc_tim_irq.c',
         'roc_utils.c',
 )
+
+# Security common code
+sources += files('cnxk_security.c')
+
 includes += include_directories('../../bus/pci')
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 9611217..91e8b40 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -1,6 +1,10 @@
 INTERNAL {
 	global:
 
+	cnxk_ipsec_icvlen_get;
+	cnxk_ipsec_ivlen_get;
+	cnxk_ipsec_outb_rlens_get;
+	cnxk_ipsec_outb_roundup_byte;
 	cnxk_logtype_base;
 	cnxk_logtype_cpt;
 	cnxk_logtype_mbox;
@@ -10,6 +14,10 @@ INTERNAL {
 	cnxk_logtype_sso;
 	cnxk_logtype_tim;
 	cnxk_logtype_tm;
+	cnxk_ot_ipsec_inb_sa_fill;
+	cnxk_ot_ipsec_outb_sa_fill;
+	cnxk_ot_ipsec_inb_sa_valid;
+	cnxk_ot_ipsec_outb_sa_valid;
 	roc_ae_ec_grp_get;
 	roc_ae_ec_grp_put;
 	roc_ae_fpm_get;
