[dpdk-dev] [PATCH v2 08/15] crypto/octeontx2: add eth security session operations

[Anoob Joseph <anoobj@marvell.com>]

Adding security session operations in eth security ctx.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
---
 drivers/crypto/octeontx2/otx2_ipsec_fp.h | 293 ++++++++++++++++++++++++++
 drivers/crypto/octeontx2/otx2_security.c | 339 +++++++++++++++++++++++++++++++
 drivers/crypto/octeontx2/otx2_security.h |  23 ++-
 3 files changed, 654 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/octeontx2/otx2_ipsec_fp.h b/drivers/crypto/octeontx2/otx2_ipsec_fp.h
index bf4181a..c100dc5 100644
--- a/drivers/crypto/octeontx2/otx2_ipsec_fp.h
+++ b/drivers/crypto/octeontx2/otx2_ipsec_fp.h
@@ -5,6 +5,67 @@
 #ifndef __OTX2_IPSEC_FP_H__
 #define __OTX2_IPSEC_FP_H__
 
+#include <rte_crypto_sym.h>
+#include <rte_security.h>
+
+enum {
+	OTX2_IPSEC_FP_SA_DIRECTION_INBOUND = 0,
+	OTX2_IPSEC_FP_SA_DIRECTION_OUTBOUND = 1,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_IP_VERSION_4 = 0,
+	OTX2_IPSEC_FP_SA_IP_VERSION_6 = 1,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_MODE_TRANSPORT = 0,
+	OTX2_IPSEC_FP_SA_MODE_TUNNEL = 1,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_PROTOCOL_AH = 0,
+	OTX2_IPSEC_FP_SA_PROTOCOL_ESP = 1,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_AES_KEY_LEN_128 = 1,
+	OTX2_IPSEC_FP_SA_AES_KEY_LEN_192 = 2,
+	OTX2_IPSEC_FP_SA_AES_KEY_LEN_256 = 3,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_ENC_NULL = 0,
+	OTX2_IPSEC_FP_SA_ENC_DES_CBC = 1,
+	OTX2_IPSEC_FP_SA_ENC_3DES_CBC = 2,
+	OTX2_IPSEC_FP_SA_ENC_AES_CBC = 3,
+	OTX2_IPSEC_FP_SA_ENC_AES_CTR = 4,
+	OTX2_IPSEC_FP_SA_ENC_AES_GCM = 5,
+	OTX2_IPSEC_FP_SA_ENC_AES_CCM = 6,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_AUTH_NULL = 0,
+	OTX2_IPSEC_FP_SA_AUTH_MD5 = 1,
+	OTX2_IPSEC_FP_SA_AUTH_SHA1 = 2,
+	OTX2_IPSEC_FP_SA_AUTH_SHA2_224 = 3,
+	OTX2_IPSEC_FP_SA_AUTH_SHA2_256 = 4,
+	OTX2_IPSEC_FP_SA_AUTH_SHA2_384 = 5,
+	OTX2_IPSEC_FP_SA_AUTH_SHA2_512 = 6,
+	OTX2_IPSEC_FP_SA_AUTH_AES_GMAC = 7,
+	OTX2_IPSEC_FP_SA_AUTH_AES_XCBC_128 = 8,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_FRAG_POST = 0,
+	OTX2_IPSEC_FP_SA_FRAG_PRE = 1,
+};
+
+enum {
+	OTX2_IPSEC_FP_SA_ENCAP_NONE = 0,
+	OTX2_IPSEC_FP_SA_ENCAP_UDP = 1,
+};
+
 struct otx2_ipsec_fp_sa_ctl {
 	rte_be32_t spi          : 32;
 	uint64_t exp_proto_inter_frag : 8;
@@ -24,6 +85,26 @@ struct otx2_ipsec_fp_sa_ctl {
 	uint64_t aes_key_len  : 2;
 };
 
+struct otx2_ipsec_fp_out_sa {
+	/* w0 */
+	struct otx2_ipsec_fp_sa_ctl ctl;
+
+	/* w1 */
+	uint8_t nonce[4];
+	uint16_t udp_src;
+	uint16_t udp_dst;
+
+	/* w2 */
+	uint32_t ip_src;
+	uint32_t ip_dst;
+
+	/* w3-w6 */
+	uint8_t cipher_key[32];
+
+	/* w7-w12 */
+	uint8_t hmac_key[48];
+};
+
 struct otx2_ipsec_fp_in_sa {
 	/* w0 */
 	struct otx2_ipsec_fp_sa_ctl ctl;
@@ -52,4 +133,216 @@ struct otx2_ipsec_fp_in_sa {
 	uint64_t reserved2;
 };
 
+static inline int
+ipsec_fp_xform_cipher_verify(struct rte_crypto_sym_xform *xform)
+{
+	if (xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
+		switch (xform->cipher.key.length) {
+		case 16:
+		case 24:
+		case 32:
+			break;
+		default:
+			return -ENOTSUP;
+		}
+		return 0;
+	}
+
+	return -ENOTSUP;
+}
+
+static inline int
+ipsec_fp_xform_auth_verify(struct rte_crypto_sym_xform *xform)
+{
+	if (xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
+		if (xform->auth.key.length == 64)
+			return 0;
+	}
+
+	return -ENOTSUP;
+}
+
+static inline int
+ipsec_fp_xform_aead_verify(struct rte_security_ipsec_xform *ipsec,
+			   struct rte_crypto_sym_xform *xform)
+{
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS &&
+	    xform->aead.op != RTE_CRYPTO_AEAD_OP_ENCRYPT)
+		return -EINVAL;
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS &&
+	    xform->aead.op != RTE_CRYPTO_AEAD_OP_DECRYPT)
+		return -EINVAL;
+
+	if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
+		switch (xform->aead.key.length) {
+		case 16:
+		case 24:
+		case 32:
+			break;
+		default:
+			return -EINVAL;
+		}
+		return 0;
+	}
+
+	return -ENOTSUP;
+}
+
+static inline int
+ipsec_fp_xform_verify(struct rte_security_ipsec_xform *ipsec,
+		      struct rte_crypto_sym_xform *xform)
+{
+	struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
+	int ret;
+
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
+		return ipsec_fp_xform_aead_verify(ipsec, xform);
+
+	if (xform->next == NULL)
+		return -EINVAL;
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
+		/* Ingress */
+		if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH ||
+		    xform->next->type != RTE_CRYPTO_SYM_XFORM_CIPHER)
+			return -EINVAL;
+		auth_xform = xform;
+		cipher_xform = xform->next;
+	} else {
+		/* Egress */
+		if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER ||
+		    xform->next->type != RTE_CRYPTO_SYM_XFORM_AUTH)
+			return -EINVAL;
+		cipher_xform = xform;
+		auth_xform = xform->next;
+	}
+
+	ret = ipsec_fp_xform_cipher_verify(cipher_xform);
+	if (ret)
+		return ret;
+
+	ret = ipsec_fp_xform_auth_verify(auth_xform);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static inline int
+ipsec_fp_sa_ctl_set(struct rte_security_ipsec_xform *ipsec,
+		    struct rte_crypto_sym_xform *xform,
+		    struct otx2_ipsec_fp_sa_ctl *ctl)
+{
+	struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
+	int aes_key_len;
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+		ctl->direction = OTX2_IPSEC_FP_SA_DIRECTION_OUTBOUND;
+		cipher_xform = xform;
+		auth_xform = xform->next;
+	} else if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
+		ctl->direction = OTX2_IPSEC_FP_SA_DIRECTION_INBOUND;
+		auth_xform = xform;
+		cipher_xform = xform->next;
+	} else {
+		return -EINVAL;
+	}
+
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+		if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
+			ctl->outer_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_4;
+		else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
+			ctl->outer_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_6;
+		else
+			return -EINVAL;
+	}
+
+	ctl->inner_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_4;
+
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT)
+		ctl->ipsec_mode = OTX2_IPSEC_FP_SA_MODE_TRANSPORT;
+	else if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
+		ctl->ipsec_mode = OTX2_IPSEC_FP_SA_MODE_TUNNEL;
+	else
+		return -EINVAL;
+
+	if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH)
+		ctl->ipsec_proto = OTX2_IPSEC_FP_SA_PROTOCOL_AH;
+	else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP)
+		ctl->ipsec_proto = OTX2_IPSEC_FP_SA_PROTOCOL_ESP;
+	else
+		return -EINVAL;
+
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
+			ctl->enc_type = OTX2_IPSEC_FP_SA_ENC_AES_GCM;
+			aes_key_len = xform->aead.key.length;
+		} else {
+			return -ENOTSUP;
+		}
+	} else if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
+		ctl->enc_type = OTX2_IPSEC_FP_SA_ENC_AES_CCM;
+		aes_key_len = xform->cipher.key.length;
+	} else {
+		return -ENOTSUP;
+	}
+
+	switch (aes_key_len) {
+	case 16:
+		ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_128;
+		break;
+	case 24:
+		ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_192;
+		break;
+	case 32:
+		ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_256;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) {
+		switch (auth_xform->auth.algo) {
+		case RTE_CRYPTO_AUTH_NULL:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_NULL;
+			break;
+		case RTE_CRYPTO_AUTH_MD5_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_MD5;
+			break;
+		case RTE_CRYPTO_AUTH_SHA1_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA1;
+			break;
+		case RTE_CRYPTO_AUTH_SHA224_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_224;
+			break;
+		case RTE_CRYPTO_AUTH_SHA256_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_256;
+			break;
+		case RTE_CRYPTO_AUTH_SHA384_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_384;
+			break;
+		case RTE_CRYPTO_AUTH_SHA512_HMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_512;
+			break;
+		case RTE_CRYPTO_AUTH_AES_GMAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_AES_GMAC;
+			break;
+		case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+			ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_AES_XCBC_128;
+			break;
+		default:
+			return -ENOTSUP;
+		}
+	}
+
+	if (ipsec->options.esn == 1)
+		ctl->esn_en = 1;
+
+	ctl->spi = rte_cpu_to_be_32(ipsec->spi);
+	ctl->valid = 1;
+
+	return 0;
+}
+
 #endif /* __OTX2_IPSEC_FP_H__ */
diff --git a/drivers/crypto/octeontx2/otx2_security.c b/drivers/crypto/octeontx2/otx2_security.c
index 0534154..b4f5c5c 100644
--- a/drivers/crypto/octeontx2/otx2_security.c
+++ b/drivers/crypto/octeontx2/otx2_security.c
@@ -96,12 +96,349 @@ static const struct rte_security_capability otx2_sec_eth_capabilities[] = {
 	}
 };
 
+static int
+otx2_sec_eth_tx_cpt_qp_get(uint16_t port_id, struct otx2_cpt_qp **qp)
+{
+	struct otx2_sec_eth_cfg *cfg;
+	uint16_t index;
+	int i, ret;
+
+	if (port_id > OTX2_MAX_INLINE_PORTS || qp == NULL)
+		return -EINVAL;
+
+	cfg = &sec_cfg[port_id];
+
+	rte_spinlock_lock(&cfg->tx_cpt_lock);
+
+	index = cfg->tx_cpt_idx;
+
+	/* Get the next index with valid data */
+	for (i = 0; i < OTX2_MAX_CPT_QP_PER_PORT; i++) {
+		if (cfg->tx_cpt[index].qp != NULL)
+			break;
+		index = (index + 1) % OTX2_MAX_CPT_QP_PER_PORT;
+	}
+
+	if (i >= OTX2_MAX_CPT_QP_PER_PORT) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	*qp = cfg->tx_cpt[index].qp;
+	rte_atomic16_inc(&cfg->tx_cpt[index].ref_cnt);
+
+	cfg->tx_cpt_idx = (index + 1) % OTX2_MAX_CPT_QP_PER_PORT;
+
+	ret = 0;
+
+unlock:
+	rte_spinlock_unlock(&cfg->tx_cpt_lock);
+	return ret;
+}
+
+static int
+otx2_sec_eth_tx_cpt_put(struct otx2_cpt_qp *qp)
+{
+	struct otx2_sec_eth_cfg *cfg;
+	uint16_t port_id;
+	int i;
+
+	if (qp == NULL)
+		return -EINVAL;
+
+	for (port_id = 0; port_id < OTX2_MAX_INLINE_PORTS; port_id++) {
+		cfg = &sec_cfg[port_id];
+		for (i = 0; i < OTX2_MAX_CPT_QP_PER_PORT; i++) {
+			if (cfg->tx_cpt[i].qp == qp) {
+				rte_atomic16_dec(&cfg->tx_cpt[i].ref_cnt);
+				return 0;
+			}
+		}
+	}
+
+	return -EINVAL;
+}
+
 static inline void
 in_sa_mz_name_get(char *name, int size, uint16_t port)
 {
 	snprintf(name, size, "otx2_ipsec_in_sadb_%u", port);
 }
 
+static struct otx2_ipsec_fp_in_sa *
+in_sa_get(uint16_t port, int sa_index)
+{
+	char name[RTE_MEMZONE_NAMESIZE];
+	struct otx2_ipsec_fp_in_sa *sa;
+	const struct rte_memzone *mz;
+
+	in_sa_mz_name_get(name, RTE_MEMZONE_NAMESIZE, port);
+	mz = rte_memzone_lookup(name);
+	if (mz == NULL) {
+		otx2_err("Could not get the memzone reserved for IN SA DB");
+		return NULL;
+	}
+
+	sa = mz->addr;
+
+	return sa + sa_index;
+}
+
+static int
+sec_eth_ipsec_out_sess_create(struct rte_eth_dev *eth_dev,
+			      struct rte_security_ipsec_xform *ipsec,
+			      struct rte_crypto_sym_xform *crypto_xform,
+			      struct rte_security_session *sec_sess)
+{
+	struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
+	struct otx2_sec_session_ipsec_ip *sess;
+	uint16_t port = eth_dev->data->port_id;
+	int cipher_key_len, auth_key_len, ret;
+	const uint8_t *cipher_key, *auth_key;
+	struct otx2_ipsec_fp_sa_ctl *ctl;
+	struct otx2_ipsec_fp_out_sa *sa;
+	struct otx2_sec_session *priv;
+	struct otx2_cpt_qp *qp;
+
+	priv = get_sec_session_private_data(sec_sess);
+	sess = &priv->ipsec.ip;
+
+	sa = &sess->out_sa;
+	ctl = &sa->ctl;
+	if (ctl->valid) {
+		otx2_err("SA already registered");
+		return -EINVAL;
+	}
+
+	memset(sess, 0, sizeof(struct otx2_sec_session_ipsec_ip));
+
+	memcpy(sa->nonce, &ipsec->salt, 4);
+
+	if (ipsec->options.udp_encap == 1) {
+		sa->udp_src = 4500;
+		sa->udp_dst = 4500;
+	}
+
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+		if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
+			memcpy(&sa->ip_src, &ipsec->tunnel.ipv4.src_ip,
+			       sizeof(struct in_addr));
+			memcpy(&sa->ip_dst, &ipsec->tunnel.ipv4.dst_ip,
+			       sizeof(struct in_addr));
+		} else {
+			return -EINVAL;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	cipher_xform = crypto_xform;
+	auth_xform = crypto_xform->next;
+
+	cipher_key_len = 0;
+	auth_key_len = 0;
+
+	if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		cipher_key = crypto_xform->aead.key.data;
+		cipher_key_len = crypto_xform->aead.key.length;
+	} else {
+		cipher_key = cipher_xform->cipher.key.data;
+		cipher_key_len = cipher_xform->cipher.key.length;
+		auth_key = auth_xform->auth.key.data;
+		auth_key_len = auth_xform->auth.key.length;
+	}
+
+	if (cipher_key_len != 0)
+		memcpy(sa->cipher_key, cipher_key, cipher_key_len);
+	else
+		return -EINVAL;
+
+	/* Use OPAD & IPAD */
+	RTE_SET_USED(auth_key);
+	RTE_SET_USED(auth_key_len);
+
+	/* Get CPT QP to be used for this SA */
+	ret = otx2_sec_eth_tx_cpt_qp_get(port, &qp);
+	if (ret)
+		return ret;
+
+	sess->qp = qp;
+
+	sess->cpt_lmtline = qp->lmtline;
+	sess->cpt_nq_reg = qp->lf_nq_reg;
+
+	/* Populate control word */
+	ret = ipsec_fp_sa_ctl_set(ipsec, crypto_xform, ctl);
+	if (ret)
+		goto cpt_put;
+
+	return 0;
+cpt_put:
+	otx2_sec_eth_tx_cpt_put(sess->qp);
+	return ret;
+}
+
+static int
+sec_eth_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
+			     struct rte_security_ipsec_xform *ipsec,
+			     struct rte_crypto_sym_xform *crypto_xform,
+			     struct rte_security_session *sec_sess)
+{
+	struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	struct otx2_sec_session_ipsec_ip *sess;
+	uint16_t port = eth_dev->data->port_id;
+	const uint8_t *cipher_key, *auth_key;
+	int cipher_key_len, auth_key_len;
+	struct otx2_ipsec_fp_sa_ctl *ctl;
+	struct otx2_ipsec_fp_in_sa *sa;
+	struct otx2_sec_session *priv;
+
+	if (ipsec->spi >= dev->ipsec_in_max_spi) {
+		otx2_err("SPI exceeds max supported");
+		return -EINVAL;
+	}
+
+	sa = in_sa_get(port, ipsec->spi);
+	ctl = &sa->ctl;
+
+	priv = get_sec_session_private_data(sec_sess);
+	sess = &priv->ipsec.ip;
+
+	if (ctl->valid) {
+		otx2_err("SA already registered");
+		return -EINVAL;
+	}
+
+	memset(sa, 0, sizeof(struct otx2_ipsec_fp_in_sa));
+
+	auth_xform = crypto_xform;
+	cipher_xform = crypto_xform->next;
+
+	cipher_key_len = 0;
+	auth_key_len = 0;
+
+	if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
+			memcpy(sa->nonce, &ipsec->salt, 4);
+		cipher_key = crypto_xform->aead.key.data;
+		cipher_key_len = crypto_xform->aead.key.length;
+	} else {
+		cipher_key = cipher_xform->cipher.key.data;
+		cipher_key_len = cipher_xform->cipher.key.length;
+		auth_key = auth_xform->auth.key.data;
+		auth_key_len = auth_xform->auth.key.length;
+	}
+
+	if (cipher_key_len != 0)
+		memcpy(sa->cipher_key, cipher_key, cipher_key_len);
+	else
+		return -EINVAL;
+
+	/* Use OPAD & IPAD */
+	RTE_SET_USED(auth_key);
+	RTE_SET_USED(auth_key_len);
+
+	sess->in_sa = sa;
+
+	sa->userdata = priv->userdata;
+
+	return ipsec_fp_sa_ctl_set(ipsec, crypto_xform, ctl);
+}
+
+static int
+sec_eth_ipsec_sess_create(struct rte_eth_dev *eth_dev,
+			  struct rte_security_ipsec_xform *ipsec,
+			  struct rte_crypto_sym_xform *crypto_xform,
+			  struct rte_security_session *sess)
+{
+	int ret;
+
+	ret = ipsec_fp_xform_verify(ipsec, crypto_xform);
+	if (ret)
+		return ret;
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
+		return sec_eth_ipsec_in_sess_create(eth_dev, ipsec,
+						    crypto_xform, sess);
+	else
+		return sec_eth_ipsec_out_sess_create(eth_dev, ipsec,
+						     crypto_xform, sess);
+}
+
+static int
+otx2_sec_eth_session_create(void *device,
+			    struct rte_security_session_conf *conf,
+			    struct rte_security_session *sess,
+			    struct rte_mempool *mempool)
+{
+	struct otx2_sec_session *priv;
+	int ret;
+
+	if (conf->action_type != RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
+		return -ENOTSUP;
+
+	if (rte_mempool_get(mempool, (void **)&priv)) {
+		otx2_err("Could not allocate security session private data");
+		return -ENOMEM;
+	}
+
+	set_sec_session_private_data(sess, priv);
+
+	/*
+	 * Save userdata provided by the application. For ingress packets, this
+	 * could be used to identify the SA.
+	 */
+	priv->userdata = conf->userdata;
+
+	if (conf->protocol == RTE_SECURITY_PROTOCOL_IPSEC)
+		ret = sec_eth_ipsec_sess_create(device, &conf->ipsec,
+						conf->crypto_xform,
+						sess);
+	else
+		ret = -ENOTSUP;
+
+	if (ret)
+		goto mempool_put;
+
+	return 0;
+
+mempool_put:
+	rte_mempool_put(mempool, priv);
+	set_sec_session_private_data(sess, NULL);
+	return ret;
+}
+
+static int
+otx2_sec_eth_session_destroy(void *device __rte_unused,
+			     struct rte_security_session *sess)
+{
+	struct otx2_sec_session_ipsec_ip *sess_ip;
+	struct otx2_sec_session *priv;
+	struct rte_mempool *sess_mp;
+	int ret;
+
+	priv = get_sec_session_private_data(sess);
+	if (priv == NULL)
+		return -EINVAL;
+
+	sess_ip = &priv->ipsec.ip;
+
+	/* Release CPT LF used for this session */
+	if (sess_ip->qp != NULL) {
+		ret = otx2_sec_eth_tx_cpt_put(sess_ip->qp);
+		if (ret)
+			return ret;
+	}
+
+	sess_mp = rte_mempool_from_obj(priv);
+
+	set_sec_session_private_data(sess, NULL);
+	rte_mempool_put(sess_mp, priv);
+
+	return 0;
+}
+
 static unsigned int
 otx2_sec_eth_session_get_size(void *device __rte_unused)
 {
@@ -115,6 +452,8 @@ otx2_sec_eth_capabilities_get(void *device __rte_unused)
 }
 
 static struct rte_security_ops otx2_sec_eth_ops = {
+	.session_create		= otx2_sec_eth_session_create,
+	.session_destroy	= otx2_sec_eth_session_destroy,
 	.session_get_size	= otx2_sec_eth_session_get_size,
 	.capabilities_get	= otx2_sec_eth_capabilities_get
 };
diff --git a/drivers/crypto/octeontx2/otx2_security.h b/drivers/crypto/octeontx2/otx2_security.h
index 6086efa..b1a401b 100644
--- a/drivers/crypto/octeontx2/otx2_security.h
+++ b/drivers/crypto/octeontx2/otx2_security.h
@@ -31,7 +31,26 @@ struct otx2_sec_eth_cfg {
  * inline capable PMD.
  */
 struct otx2_sec_session_ipsec_ip {
-	int dummy;
+	RTE_STD_C11
+	union {
+		/*
+		 * Inbound SA would accessed by crypto block. And so the memory
+		 * is allocated differently and shared with the h/w. Only
+		 * holding a pointer to this memory in the session private
+		 * space.
+		 */
+		void *in_sa;
+		/* Outbound SA */
+		struct otx2_ipsec_fp_out_sa out_sa;
+	};
+
+	/* Address of CPT LMTLINE */
+	void *cpt_lmtline;
+	/* CPT LF enqueue register address */
+	rte_iova_t cpt_nq_reg;
+
+	/* CPT QP used by SA */
+	struct otx2_cpt_qp *qp;
 };
 
 struct otx2_sec_session_ipsec {
@@ -40,6 +59,8 @@ struct otx2_sec_session_ipsec {
 
 struct otx2_sec_session {
 	struct otx2_sec_session_ipsec ipsec;
+	void *userdata;
+	/**< Userdata registered by the application */
 } __rte_cache_aligned;
 
 int otx2_sec_eth_ctx_create(struct rte_eth_dev *eth_dev);
-- 
2.7.4