X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Focteontx2%2Fotx2_cryptodev_sec.c;h=a5db40047d0f10ad161ef614858478e281df8c09;hb=437dbd2fd4289c32e2937a1e7dbe95645457dfff;hp=d937e6f37a0c0c16c4f92bb4ec540126ae60373a;hpb=b9765e96c225f468eaa0ee5e5b0626743b1d4e9c;p=dpdk.git

diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_sec.c b/drivers/crypto/octeontx2/otx2_cryptodev_sec.c
index d937e6f37a..a5db40047d 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_sec.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_sec.c
@@ -3,19 +3,634 @@
  */
 
 #include <rte_cryptodev.h>
+#include <rte_esp.h>
+#include <rte_ethdev.h>
+#include <rte_ip.h>
 #include <rte_malloc.h>
 #include <rte_security.h>
 #include <rte_security_driver.h>
+#include <rte_udp.h>
 
+#include "otx2_cryptodev.h"
+#include "otx2_cryptodev_capabilities.h"
+#include "otx2_cryptodev_hw_access.h"
+#include "otx2_cryptodev_ops.h"
 #include "otx2_cryptodev_sec.h"
+#include "otx2_security.h"
+
+static int
+ipsec_lp_len_precalc(struct rte_security_ipsec_xform *ipsec,
+		struct rte_crypto_sym_xform *xform,
+		struct otx2_sec_session_ipsec_lp *lp)
+{
+	struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
+
+	lp->partial_len = 0;
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+		if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
+			lp->partial_len = sizeof(struct rte_ipv4_hdr);
+		else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
+			lp->partial_len = sizeof(struct rte_ipv6_hdr);
+		else
+			return -EINVAL;
+	}
+
+	if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP) {
+		lp->partial_len += sizeof(struct rte_esp_hdr);
+		lp->roundup_len = sizeof(struct rte_esp_tail);
+	} else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH) {
+		lp->partial_len += OTX2_SEC_AH_HDR_LEN;
+	} else {
+		return -EINVAL;
+	}
+
+	if (ipsec->options.udp_encap)
+		lp->partial_len += sizeof(struct rte_udp_hdr);
+
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
+			lp->partial_len += OTX2_SEC_AES_GCM_IV_LEN;
+			lp->partial_len += OTX2_SEC_AES_GCM_MAC_LEN;
+			lp->roundup_byte = OTX2_SEC_AES_GCM_ROUNDUP_BYTE_LEN;
+			return 0;
+		} else {
+			return -EINVAL;
+		}
+	}
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
+		cipher_xform = xform;
+		auth_xform = xform->next;
+	} else if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
+		auth_xform = xform;
+		cipher_xform = xform->next;
+	} else {
+		return -EINVAL;
+	}
+
+	if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
+		lp->partial_len += OTX2_SEC_AES_CBC_IV_LEN;
+		lp->roundup_byte = OTX2_SEC_AES_CBC_ROUNDUP_BYTE_LEN;
+	} else {
+		return -EINVAL;
+	}
+
+	if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
+		lp->partial_len += OTX2_SEC_SHA1_HMAC_LEN;
+	else if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
+		lp->partial_len += OTX2_SEC_SHA2_HMAC_LEN;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+static int
+otx2_cpt_enq_sa_write(struct otx2_sec_session_ipsec_lp *lp,
+		      struct otx2_cpt_qp *qptr, uint8_t opcode)
+{
+	uint64_t lmt_status, time_out;
+	void *lmtline = qptr->lmtline;
+	struct otx2_cpt_inst_s inst;
+	struct otx2_cpt_res *res;
+	uint64_t *mdata;
+	int ret = 0;
+
+	if (unlikely(rte_mempool_get(qptr->meta_info.pool,
+				     (void **)&mdata) < 0))
+		return -ENOMEM;
+
+	res = (struct otx2_cpt_res *)RTE_PTR_ALIGN(mdata, 16);
+	res->compcode = CPT_9X_COMP_E_NOTDONE;
+
+	inst.opcode = opcode | (lp->ctx_len << 8);
+	inst.param1 = 0;
+	inst.param2 = 0;
+	inst.dlen = lp->ctx_len << 3;
+	inst.dptr = rte_mempool_virt2iova(lp);
+	inst.rptr = 0;
+	inst.cptr = rte_mempool_virt2iova(lp);
+	inst.egrp  = OTX2_CPT_EGRP_SE;
+
+	inst.u64[0] = 0;
+	inst.u64[2] = 0;
+	inst.u64[3] = 0;
+	inst.res_addr = rte_mempool_virt2iova(res);
+
+	rte_io_wmb();
+
+	do {
+		/* Copy CPT command to LMTLINE */
+		otx2_lmt_mov(lmtline, &inst, 2);
+		lmt_status = otx2_lmt_submit(qptr->lf_nq_reg);
+	} while (lmt_status == 0);
+
+	time_out = rte_get_timer_cycles() +
+			DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
+
+	while (res->compcode == CPT_9X_COMP_E_NOTDONE) {
+		if (rte_get_timer_cycles() > time_out) {
+			rte_mempool_put(qptr->meta_info.pool, mdata);
+			otx2_err("Request timed out");
+			return -ETIMEDOUT;
+		}
+	    rte_io_rmb();
+	}
+
+	if (unlikely(res->compcode != CPT_9X_COMP_E_GOOD)) {
+		ret = res->compcode;
+		switch (ret) {
+		case CPT_9X_COMP_E_INSTERR:
+			otx2_err("Request failed with instruction error");
+			break;
+		case CPT_9X_COMP_E_FAULT:
+			otx2_err("Request failed with DMA fault");
+			break;
+		case CPT_9X_COMP_E_HWERR:
+			otx2_err("Request failed with hardware error");
+			break;
+		default:
+			otx2_err("Request failed with unknown hardware "
+				 "completion code : 0x%x", ret);
+		}
+		goto mempool_put;
+	}
+
+	if (unlikely(res->uc_compcode != OTX2_IPSEC_PO_CC_SUCCESS)) {
+		ret = res->uc_compcode;
+		switch (ret) {
+		case OTX2_IPSEC_PO_CC_AUTH_UNSUPPORTED:
+			otx2_err("Invalid auth type");
+			break;
+		case OTX2_IPSEC_PO_CC_ENCRYPT_UNSUPPORTED:
+			otx2_err("Invalid encrypt type");
+			break;
+		default:
+			otx2_err("Request failed with unknown microcode "
+				 "completion code : 0x%x", ret);
+		}
+	}
+
+mempool_put:
+	rte_mempool_put(qptr->meta_info.pool, mdata);
+	return ret;
+}
+
+static void
+set_session_misc_attributes(struct otx2_sec_session_ipsec_lp *sess,
+			    struct rte_crypto_sym_xform *crypto_xform,
+			    struct rte_crypto_sym_xform *auth_xform,
+			    struct rte_crypto_sym_xform *cipher_xform)
+{
+	if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		sess->iv_offset = crypto_xform->aead.iv.offset;
+		sess->iv_length = crypto_xform->aead.iv.length;
+		sess->aad_length = crypto_xform->aead.aad_length;
+		sess->mac_len = crypto_xform->aead.digest_length;
+	} else {
+		sess->iv_offset = cipher_xform->cipher.iv.offset;
+		sess->iv_length = cipher_xform->cipher.iv.length;
+		sess->auth_iv_offset = auth_xform->auth.iv.offset;
+		sess->auth_iv_length = auth_xform->auth.iv.length;
+		sess->mac_len = auth_xform->auth.digest_length;
+	}
+
+	sess->ucmd_param1 = OTX2_IPSEC_PO_PER_PKT_IV;
+	sess->ucmd_param2 = 0;
+}
+
+static int
+crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_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_ipsec_po_ip_template *template = NULL;
+	const uint8_t *cipher_key, *auth_key;
+	struct otx2_sec_session_ipsec_lp *lp;
+	struct otx2_ipsec_po_sa_ctl *ctl;
+	int cipher_key_len, auth_key_len;
+	struct otx2_ipsec_po_out_sa *sa;
+	struct otx2_sec_session *sess;
+	struct otx2_cpt_inst_s inst;
+	struct rte_ipv6_hdr *ip6;
+	struct rte_ipv4_hdr *ip;
+	int ret, ctx_len;
+
+	sess = get_sec_session_private_data(sec_sess);
+	sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
+	lp = &sess->ipsec.lp;
+
+	sa = &lp->out_sa;
+	ctl = &sa->ctl;
+	if (ctl->valid) {
+		otx2_err("SA already registered");
+		return -EINVAL;
+	}
+
+	memset(sa, 0, sizeof(struct otx2_ipsec_po_out_sa));
+
+	/* Initialize lookaside ipsec private data */
+	lp->mode_type = OTX2_IPSEC_PO_TRANSPORT;
+	lp->ip_id = 0;
+	lp->seq_lo = 1;
+	lp->seq_hi = 0;
+
+	ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
+	if (ret)
+		return ret;
+
+	ret = ipsec_lp_len_precalc(ipsec, crypto_xform, lp);
+	if (ret)
+		return ret;
+
+	/* Start ip id from 1 */
+	lp->ip_id = 1;
+
+	if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
+		template = &sa->aes_gcm.template;
+		ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+				aes_gcm.template) + sizeof(
+				sa->aes_gcm.template.ip4);
+		ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+		lp->ctx_len = ctx_len >> 3;
+	} else if (ctl->auth_type ==
+			OTX2_IPSEC_PO_SA_AUTH_SHA1) {
+		template = &sa->sha1.template;
+		ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+				sha1.template) + sizeof(
+				sa->sha1.template.ip4);
+		ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+		lp->ctx_len = ctx_len >> 3;
+	} else if (ctl->auth_type ==
+			OTX2_IPSEC_PO_SA_AUTH_SHA2_256) {
+		template = &sa->sha2.template;
+		ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+				sha2.template) + sizeof(
+				sa->sha2.template.ip4);
+		ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+		lp->ctx_len = ctx_len >> 3;
+	} else {
+		return -EINVAL;
+	}
+	ip = &template->ip4.ipv4_hdr;
+	if (ipsec->options.udp_encap) {
+		ip->next_proto_id = IPPROTO_UDP;
+		template->ip4.udp_src = rte_be_to_cpu_16(4500);
+		template->ip4.udp_dst = rte_be_to_cpu_16(4500);
+	} else {
+		ip->next_proto_id = IPPROTO_ESP;
+	}
+
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
+		if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
+			lp->mode_type = OTX2_IPSEC_PO_TUNNEL_IPV4;
+			ip->version_ihl = RTE_IPV4_VHL_DEF;
+			ip->time_to_live = ipsec->tunnel.ipv4.ttl;
+			ip->type_of_service |= (ipsec->tunnel.ipv4.dscp << 2);
+			if (ipsec->tunnel.ipv4.df)
+				ip->fragment_offset = BIT(14);
+			memcpy(&ip->src_addr, &ipsec->tunnel.ipv4.src_ip,
+				sizeof(struct in_addr));
+			memcpy(&ip->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
+				sizeof(struct in_addr));
+		} else if (ipsec->tunnel.type ==
+				RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
+
+			lp->mode_type = OTX2_IPSEC_PO_TUNNEL_IPV6;
+			if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
+				template = &sa->aes_gcm.template;
+				ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+						aes_gcm.template) + sizeof(
+						sa->aes_gcm.template.ip6);
+				ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+				lp->ctx_len = ctx_len >> 3;
+			} else if (ctl->auth_type ==
+					OTX2_IPSEC_PO_SA_AUTH_SHA1) {
+				template = &sa->sha1.template;
+				ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+						sha1.template) + sizeof(
+						sa->sha1.template.ip6);
+				ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+				lp->ctx_len = ctx_len >> 3;
+			} else if (ctl->auth_type ==
+					OTX2_IPSEC_PO_SA_AUTH_SHA2_256) {
+				template = &sa->sha2.template;
+				ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
+						sha2.template) + sizeof(
+						sa->sha2.template.ip6);
+				ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
+				lp->ctx_len = ctx_len >> 3;
+			} else {
+				return -EINVAL;
+			}
+
+			ip6 = &template->ip6.ipv6_hdr;
+			if (ipsec->options.udp_encap) {
+				ip6->proto = IPPROTO_UDP;
+				template->ip6.udp_src = rte_be_to_cpu_16(4500);
+				template->ip6.udp_dst = rte_be_to_cpu_16(4500);
+			} else {
+				ip6->proto = (ipsec->proto ==
+					RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
+					IPPROTO_ESP : IPPROTO_AH;
+			}
+			ip6->vtc_flow = rte_cpu_to_be_32(0x60000000 |
+				((ipsec->tunnel.ipv6.dscp <<
+					RTE_IPV6_HDR_TC_SHIFT) &
+					RTE_IPV6_HDR_TC_MASK) |
+				((ipsec->tunnel.ipv6.flabel <<
+					RTE_IPV6_HDR_FL_SHIFT) &
+					RTE_IPV6_HDR_FL_MASK));
+			ip6->hop_limits = ipsec->tunnel.ipv6.hlimit;
+			memcpy(&ip6->src_addr, &ipsec->tunnel.ipv6.src_addr,
+				sizeof(struct in6_addr));
+			memcpy(&ip6->dst_addr, &ipsec->tunnel.ipv6.dst_addr,
+				sizeof(struct in6_addr));
+		}
+	}
+
+	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) {
+		if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
+			memcpy(sa->iv.gcm.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 (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
+			memcpy(sa->sha1.hmac_key, auth_key, auth_key_len);
+		else if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
+			memcpy(sa->sha2.hmac_key, auth_key, auth_key_len);
+	}
+
+	if (cipher_key_len != 0)
+		memcpy(sa->cipher_key, cipher_key, cipher_key_len);
+	else
+		return -EINVAL;
+
+	inst.u64[7] = 0;
+	inst.egrp = OTX2_CPT_EGRP_SE;
+	inst.cptr = rte_mempool_virt2iova(sa);
+
+	lp->cpt_inst_w7 = inst.u64[7];
+	lp->ucmd_opcode = (lp->ctx_len << 8) |
+				(OTX2_IPSEC_PO_PROCESS_IPSEC_OUTB);
+
+	set_session_misc_attributes(lp, crypto_xform,
+				    auth_xform, cipher_xform);
+
+	return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
+				     OTX2_IPSEC_PO_WRITE_IPSEC_OUTB);
+}
+
+static int
+crypto_sec_ipsec_inb_session_create(struct rte_cryptodev *crypto_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;
+	const uint8_t *cipher_key, *auth_key;
+	struct otx2_sec_session_ipsec_lp *lp;
+	struct otx2_ipsec_po_sa_ctl *ctl;
+	int cipher_key_len, auth_key_len;
+	struct otx2_ipsec_po_in_sa *sa;
+	struct otx2_sec_session *sess;
+	struct otx2_cpt_inst_s inst;
+	int ret;
+
+	sess = get_sec_session_private_data(sec_sess);
+	sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
+	lp = &sess->ipsec.lp;
+
+	sa = &lp->in_sa;
+	ctl = &sa->ctl;
+
+	if (ctl->valid) {
+		otx2_err("SA already registered");
+		return -EINVAL;
+	}
+
+	memset(sa, 0, sizeof(struct otx2_ipsec_po_in_sa));
+	sa->replay_win_sz = ipsec->replay_win_sz;
+
+	ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
+	if (ret)
+		return ret;
+
+	lp->mode_type = OTX2_IPSEC_PO_TRANSPORT;
+
+	auth_xform = crypto_xform;
+	cipher_xform = crypto_xform->next;
+
+	cipher_key_len = 0;
+	auth_key_len = 0;
+
+	if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
+		lp->mode_type = (ipsec->tunnel.type ==
+				RTE_SECURITY_IPSEC_TUNNEL_IPV4) ?
+				OTX2_IPSEC_PO_TUNNEL_IPV4 :
+				OTX2_IPSEC_PO_TUNNEL_IPV6;
+
+	if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+		if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
+			memcpy(sa->iv.gcm.nonce, &ipsec->salt, 4);
+		cipher_key = crypto_xform->aead.key.data;
+		cipher_key_len = crypto_xform->aead.key.length;
+
+		lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
+					    aes_gcm.hmac_key[0]) >> 3;
+		RTE_ASSERT(lp->ctx_len == OTX2_IPSEC_PO_AES_GCM_INB_CTX_LEN);
+	} 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 (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
+			memcpy(sa->aes_gcm.hmac_key, auth_key, auth_key_len);
+			lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
+						    aes_gcm.selector) >> 3;
+		} else if (auth_xform->auth.algo ==
+				RTE_CRYPTO_AUTH_SHA256_HMAC) {
+			memcpy(sa->sha2.hmac_key, auth_key, auth_key_len);
+			lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
+						    sha2.selector) >> 3;
+		}
+	}
+
+	if (cipher_key_len != 0)
+		memcpy(sa->cipher_key, cipher_key, cipher_key_len);
+	else
+		return -EINVAL;
+
+	inst.u64[7] = 0;
+	inst.egrp = OTX2_CPT_EGRP_SE;
+	inst.cptr = rte_mempool_virt2iova(sa);
+
+	lp->cpt_inst_w7 = inst.u64[7];
+	lp->ucmd_opcode = (lp->ctx_len << 8) |
+				(OTX2_IPSEC_PO_PROCESS_IPSEC_INB);
+
+	set_session_misc_attributes(lp, crypto_xform,
+				    auth_xform, cipher_xform);
+
+	if (sa->replay_win_sz) {
+		if (sa->replay_win_sz > OTX2_IPSEC_MAX_REPLAY_WIN_SZ) {
+			otx2_err("Replay window size is not supported");
+			return -ENOTSUP;
+		}
+		sa->replay = rte_zmalloc(NULL, sizeof(struct otx2_ipsec_replay),
+				0);
+		if (sa->replay == NULL)
+			return -ENOMEM;
+
+		/* Set window bottom to 1, base and top to size of window */
+		sa->replay->winb = 1;
+		sa->replay->wint = sa->replay_win_sz;
+		sa->replay->base = sa->replay_win_sz;
+		sa->esn_low = 0;
+		sa->esn_hi = 0;
+	}
+
+	return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
+				     OTX2_IPSEC_PO_WRITE_IPSEC_INB);
+}
+
+static int
+crypto_sec_ipsec_session_create(struct rte_cryptodev *crypto_dev,
+				struct rte_security_ipsec_xform *ipsec,
+				struct rte_crypto_sym_xform *crypto_xform,
+				struct rte_security_session *sess)
+{
+	int ret;
+
+	if (crypto_dev->data->queue_pairs[0] == NULL) {
+		otx2_err("Setup cpt queue pair before creating sec session");
+		return -EPERM;
+	}
+
+	ret = ipsec_po_xform_verify(ipsec, crypto_xform);
+	if (ret)
+		return ret;
+
+	if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
+		return crypto_sec_ipsec_inb_session_create(crypto_dev, ipsec,
+							   crypto_xform, sess);
+	else
+		return crypto_sec_ipsec_outb_session_create(crypto_dev, ipsec,
+							    crypto_xform, sess);
+}
+
+static int
+otx2_crypto_sec_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_LOOKASIDE_PROTOCOL)
+		return -ENOTSUP;
+
+	if (rte_security_dynfield_register() < 0)
+		return -rte_errno;
+
+	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);
+
+	priv->userdata = conf->userdata;
+
+	if (conf->protocol == RTE_SECURITY_PROTOCOL_IPSEC)
+		ret = crypto_sec_ipsec_session_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_crypto_sec_session_destroy(void *device __rte_unused,
+				struct rte_security_session *sess)
+{
+	struct otx2_sec_session *priv;
+	struct rte_mempool *sess_mp;
+
+	priv = get_sec_session_private_data(sess);
+
+	if (priv == NULL)
+		return 0;
+
+	sess_mp = rte_mempool_from_obj(priv);
+
+	memset(priv, 0, sizeof(*priv));
+
+	set_sec_session_private_data(sess, NULL);
+	rte_mempool_put(sess_mp, priv);
+
+	return 0;
+}
+
+static unsigned int
+otx2_crypto_sec_session_get_size(void *device __rte_unused)
+{
+	return sizeof(struct otx2_sec_session);
+}
+
+static int
+otx2_crypto_sec_set_pkt_mdata(void *device __rte_unused,
+			      struct rte_security_session *session,
+			      struct rte_mbuf *m, void *params __rte_unused)
+{
+	/* Set security session as the pkt metadata */
+	*rte_security_dynfield(m) = (rte_security_dynfield_t)session;
+
+	return 0;
+}
+
+static int
+otx2_crypto_sec_get_userdata(void *device __rte_unused, uint64_t md,
+			     void **userdata)
+{
+	/* Retrieve userdata  */
+	*userdata = (void *)md;
+
+	return 0;
+}
 
 static struct rte_security_ops otx2_crypto_sec_ops = {
-	.session_create		= NULL,
-	.session_destroy	= NULL,
-	.session_get_size	= NULL,
-	.set_pkt_metadata	= NULL,
-	.get_userdata		= NULL,
-	.capabilities_get	= NULL
+	.session_create		= otx2_crypto_sec_session_create,
+	.session_destroy	= otx2_crypto_sec_session_destroy,
+	.session_get_size	= otx2_crypto_sec_session_get_size,
+	.set_pkt_metadata	= otx2_crypto_sec_set_pkt_mdata,
+	.get_userdata		= otx2_crypto_sec_get_userdata,
+	.capabilities_get	= otx2_crypto_sec_capabilities_get
 };
 
 int