text: /* SPDX-License-Identifier: BSD-3-Clause
   *
   *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   *   Copyright 2016 NXP
   *
   */
  
  #include <time.h>
  #include <net/if.h>
  
  #include <rte_mbuf.h>
  #include <rte_cryptodev.h>
  #include <rte_security_driver.h>
  #include <rte_malloc.h>
  #include <rte_memcpy.h>
  #include <rte_string_fns.h>
  #include <rte_cycles.h>
  #include <rte_kvargs.h>
  #include <rte_dev.h>
  #include <rte_cryptodev_pmd.h>
  #include <rte_common.h>
  #include <rte_fslmc.h>
  #include <fslmc_vfio.h>
  #include <dpaa2_hw_pvt.h>
  #include <dpaa2_hw_dpio.h>
  #include <dpaa2_hw_mempool.h>
  #include <fsl_dpseci.h>
  #include <fsl_mc_sys.h>
  
  #include "dpaa2_sec_priv.h"
  #include "dpaa2_sec_logs.h"
  
  /* Required types */
  typedef uint64_t	dma_addr_t;
  
  /* RTA header files */
  #include <hw/desc/ipsec.h>
  #include <hw/desc/algo.h>
  
  /* Minimum job descriptor consists of a oneword job descriptor HEADER and
   * a pointer to the shared descriptor
   */
  #define MIN_JOB_DESC_SIZE	(CAAM_CMD_SZ + CAAM_PTR_SZ)
  #define FSL_VENDOR_ID           0x1957
  #define FSL_DEVICE_ID           0x410
  #define FSL_SUBSYSTEM_SEC       1
  #define FSL_MC_DPSECI_DEVID     3
  
  #define NO_PREFETCH 0
  /* FLE_POOL_NUM_BUFS is set as per the ipsec-secgw application */
  #define FLE_POOL_NUM_BUFS	32000
  #define FLE_POOL_BUF_SIZE	256
  #define FLE_POOL_CACHE_SIZE	512
  #define FLE_SG_MEM_SIZE		2048
  #define SEC_FLC_DHR_OUTBOUND	-114
  #define SEC_FLC_DHR_INBOUND	0
  
  enum rta_sec_era rta_sec_era = RTA_SEC_ERA_8;
  
  static uint8_t cryptodev_driver_id;
  
  static inline int
  build_proto_fd(dpaa2_sec_session *sess,
  	       struct rte_crypto_op *op,
  	       struct qbman_fd *fd, uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct sec_flow_context *flc;
  	struct rte_mbuf *mbuf = sym_op->m_src;
  
  	if (likely(bpid < MAX_BPID))
  		DPAA2_SET_FD_BPID(fd, bpid);
  	else
  		DPAA2_SET_FD_IVP(fd);
  
  	/* Save the shared descriptor */
  	flc = &priv->flc_desc[0].flc;
  
  	DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  	DPAA2_SET_FD_OFFSET(fd, sym_op->m_src->data_off);
  	DPAA2_SET_FD_LEN(fd, sym_op->m_src->pkt_len);
  	DPAA2_SET_FD_FLC(fd, ((uint64_t)flc));
  
  	/* save physical address of mbuf */
  	op->sym->aead.digest.phys_addr = mbuf->buf_iova;
  	mbuf->buf_iova = (uint64_t)op;
  
  	return 0;
  }
  
  static inline int
  build_authenc_gcm_sg_fd(dpaa2_sec_session *sess,
  		 struct rte_crypto_op *op,
  		 struct qbman_fd *fd, __rte_unused uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct qbman_fle *fle, *sge, *ip_fle, *op_fle;
  	struct sec_flow_context *flc;
  	uint32_t auth_only_len = sess->ext_params.aead_ctxt.auth_only_len;
  	int icv_len = sess->digest_length;
  	uint8_t *old_icv;
  	struct rte_mbuf *mbuf;
  	uint8_t *IV_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		mbuf = sym_op->m_dst;
  	else
  		mbuf = sym_op->m_src;
  
  	/* first FLE entry used to store mbuf and session ctxt */
  	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
  			RTE_CACHE_LINE_SIZE);
  	if (unlikely(!fle)) {
  		RTE_LOG(ERR, PMD, "GCM SG: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_SG_MEM_SIZE);
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  
  	op_fle = fle + 1;
  	ip_fle = fle + 2;
  	sge = fle + 3;
  
  	/* Save the shared descriptor */
  	flc = &priv->flc_desc[0].flc;
  
  	/* Configure FD as a FRAME LIST */
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG, "GCM SG: auth_off: 0x%x/length %d, digest-len=%d\n"
  		   "iv-len=%d data_off: 0x%x\n",
  		   sym_op->aead.data.offset,
  		   sym_op->aead.data.length,
  		   sess->digest_length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	/* Configure Output FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_SG_EXT(op_fle);
  	DPAA2_SET_FLE_ADDR(op_fle, DPAA2_VADDR_TO_IOVA(sge));
  
  	if (auth_only_len)
  		DPAA2_SET_FLE_INTERNAL_JD(op_fle, auth_only_len);
  
  	op_fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->aead.data.length + icv_len + auth_only_len) :
  			sym_op->aead.data.length + auth_only_len;
  
  	/* Configure Output SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off + sym_op->aead.data.offset -
  								auth_only_len);
  	sge->length = mbuf->data_len - sym_op->aead.data.offset + auth_only_len;
  
  	mbuf = mbuf->next;
  	/* o/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	sge->length -= icv_len;
  
  	if (sess->dir == DIR_ENC) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->aead.digest.data));
  		sge->length = icv_len;
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	sge++;
  	mbuf = sym_op->m_src;
  
  	/* Configure Input FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge));
  	DPAA2_SET_FLE_SG_EXT(ip_fle);
  	DPAA2_SET_FLE_FIN(ip_fle);
  	ip_fle->length = (sess->dir == DIR_ENC) ?
  		(sym_op->aead.data.length + sess->iv.length + auth_only_len) :
  		(sym_op->aead.data.length + sess->iv.length + auth_only_len +
  		 icv_len);
  
  	/* Configure Input SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(IV_ptr));
  	sge->length = sess->iv.length;
  
  	sge++;
  	if (auth_only_len) {
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->aead.aad.data));
  		sge->length = auth_only_len;
  		sge++;
  	}
  
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->aead.data.offset +
  				mbuf->data_off);
  	sge->length = mbuf->data_len - sym_op->aead.data.offset;
  
  	mbuf = mbuf->next;
  	/* i/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  
  	if (sess->dir == DIR_DEC) {
  		sge++;
  		old_icv = (uint8_t *)(sge + 1);
  		memcpy(old_icv,	sym_op->aead.digest.data, icv_len);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_icv));
  		sge->length = icv_len;
  	}
  
  	DPAA2_SET_FLE_FIN(sge);
  	if (auth_only_len) {
  		DPAA2_SET_FLE_INTERNAL_JD(ip_fle, auth_only_len);
  		DPAA2_SET_FD_INTERNAL_JD(fd, auth_only_len);
  	}
  	DPAA2_SET_FD_LEN(fd, ip_fle->length);
  
  	return 0;
  }
  
  static inline int
  build_authenc_gcm_fd(dpaa2_sec_session *sess,
  		     struct rte_crypto_op *op,
  		     struct qbman_fd *fd, uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct qbman_fle *fle, *sge;
  	struct sec_flow_context *flc;
  	uint32_t auth_only_len = sess->ext_params.aead_ctxt.auth_only_len;
  	int icv_len = sess->digest_length, retval;
  	uint8_t *old_icv;
  	struct rte_mbuf *dst;
  	uint8_t *IV_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		dst = sym_op->m_dst;
  	else
  		dst = sym_op->m_src;
  
  	/* TODO we are using the first FLE entry to store Mbuf and session ctxt.
  	 * Currently we donot know which FLE has the mbuf stored.
  	 * So while retreiving we can go back 1 FLE from the FD -ADDR
  	 * to get the MBUF Addr from the previous FLE.
  	 * We can have a better approach to use the inline Mbuf
  	 */
  	retval = rte_mempool_get(priv->fle_pool, (void **)(&fle));
  	if (retval) {
  		RTE_LOG(ERR, PMD, "GCM: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_POOL_BUF_SIZE);
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  	fle = fle + 1;
  	sge = fle + 2;
  	if (likely(bpid < MAX_BPID)) {
  		DPAA2_SET_FD_BPID(fd, bpid);
  		DPAA2_SET_FLE_BPID(fle, bpid);
  		DPAA2_SET_FLE_BPID(fle + 1, bpid);
  		DPAA2_SET_FLE_BPID(sge, bpid);
  		DPAA2_SET_FLE_BPID(sge + 1, bpid);
  		DPAA2_SET_FLE_BPID(sge + 2, bpid);
  		DPAA2_SET_FLE_BPID(sge + 3, bpid);
  	} else {
  		DPAA2_SET_FD_IVP(fd);
  		DPAA2_SET_FLE_IVP(fle);
  		DPAA2_SET_FLE_IVP((fle + 1));
  		DPAA2_SET_FLE_IVP(sge);
  		DPAA2_SET_FLE_IVP((sge + 1));
  		DPAA2_SET_FLE_IVP((sge + 2));
  		DPAA2_SET_FLE_IVP((sge + 3));
  	}
  
  	/* Save the shared descriptor */
  	flc = &priv->flc_desc[0].flc;
  	/* Configure FD as a FRAME LIST */
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG, "GCM: auth_off: 0x%x/length %d, digest-len=%d\n"
  		   "iv-len=%d data_off: 0x%x\n",
  		   sym_op->aead.data.offset,
  		   sym_op->aead.data.length,
  		   sess->digest_length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	/* Configure Output FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  	if (auth_only_len)
  		DPAA2_SET_FLE_INTERNAL_JD(fle, auth_only_len);
  	fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->aead.data.length + icv_len + auth_only_len) :
  			sym_op->aead.data.length + auth_only_len;
  
  	DPAA2_SET_FLE_SG_EXT(fle);
  
  	/* Configure Output SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(dst));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->aead.data.offset +
  				dst->data_off - auth_only_len);
  	sge->length = sym_op->aead.data.length + auth_only_len;
  
  	if (sess->dir == DIR_ENC) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->aead.digest.data));
  		sge->length = sess->digest_length;
  		DPAA2_SET_FD_LEN(fd, (sym_op->aead.data.length +
  					sess->iv.length + auth_only_len));
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	sge++;
  	fle++;
  
  	/* Configure Input FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  	DPAA2_SET_FLE_SG_EXT(fle);
  	DPAA2_SET_FLE_FIN(fle);
  	fle->length = (sess->dir == DIR_ENC) ?
  		(sym_op->aead.data.length + sess->iv.length + auth_only_len) :
  		(sym_op->aead.data.length + sess->iv.length + auth_only_len +
  		 sess->digest_length);
  
  	/* Configure Input SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(IV_ptr));
  	sge->length = sess->iv.length;
  	sge++;
  	if (auth_only_len) {
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->aead.aad.data));
  		sge->length = auth_only_len;
  		DPAA2_SET_FLE_BPID(sge, bpid);
  		sge++;
  	}
  
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->aead.data.offset +
  				sym_op->m_src->data_off);
  	sge->length = sym_op->aead.data.length;
  	if (sess->dir == DIR_DEC) {
  		sge++;
  		old_icv = (uint8_t *)(sge + 1);
  		memcpy(old_icv,	sym_op->aead.digest.data,
  		       sess->digest_length);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_icv));
  		sge->length = sess->digest_length;
  		DPAA2_SET_FD_LEN(fd, (sym_op->aead.data.length +
  				 sess->digest_length +
  				 sess->iv.length +
  				 auth_only_len));
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	if (auth_only_len) {
  		DPAA2_SET_FLE_INTERNAL_JD(fle, auth_only_len);
  		DPAA2_SET_FD_INTERNAL_JD(fd, auth_only_len);
  	}
  
  	return 0;
  }
  
  static inline int
  build_authenc_sg_fd(dpaa2_sec_session *sess,
  		 struct rte_crypto_op *op,
  		 struct qbman_fd *fd, __rte_unused uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct qbman_fle *fle, *sge, *ip_fle, *op_fle;
  	struct sec_flow_context *flc;
  	uint32_t auth_only_len = sym_op->auth.data.length -
  				sym_op->cipher.data.length;
  	int icv_len = sess->digest_length;
  	uint8_t *old_icv;
  	struct rte_mbuf *mbuf;
  	uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		mbuf = sym_op->m_dst;
  	else
  		mbuf = sym_op->m_src;
  
  	/* first FLE entry used to store mbuf and session ctxt */
  	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
  			RTE_CACHE_LINE_SIZE);
  	if (unlikely(!fle)) {
  		RTE_LOG(ERR, PMD, "AUTHENC SG: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_SG_MEM_SIZE);
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  
  	op_fle = fle + 1;
  	ip_fle = fle + 2;
  	sge = fle + 3;
  
  	/* Save the shared descriptor */
  	flc = &priv->flc_desc[0].flc;
  
  	/* Configure FD as a FRAME LIST */
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG,
  			"AUTHENC SG: auth_off: 0x%x/length %d, digest-len=%d\n"
  			"cipher_off: 0x%x/length %d, iv-len=%d data_off: 0x%x\n",
  		   sym_op->auth.data.offset,
  		   sym_op->auth.data.length,
  		   sess->digest_length,
  		   sym_op->cipher.data.offset,
  		   sym_op->cipher.data.length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	/* Configure Output FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_SG_EXT(op_fle);
  	DPAA2_SET_FLE_ADDR(op_fle, DPAA2_VADDR_TO_IOVA(sge));
  
  	if (auth_only_len)
  		DPAA2_SET_FLE_INTERNAL_JD(op_fle, auth_only_len);
  
  	op_fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->cipher.data.length + icv_len) :
  			sym_op->cipher.data.length;
  
  	/* Configure Output SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off + sym_op->auth.data.offset);
  	sge->length = mbuf->data_len - sym_op->auth.data.offset;
  
  	mbuf = mbuf->next;
  	/* o/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	sge->length -= icv_len;
  
  	if (sess->dir == DIR_ENC) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->auth.digest.data));
  		sge->length = icv_len;
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	sge++;
  	mbuf = sym_op->m_src;
  
  	/* Configure Input FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge));
  	DPAA2_SET_FLE_SG_EXT(ip_fle);
  	DPAA2_SET_FLE_FIN(ip_fle);
  	ip_fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->auth.data.length + sess->iv.length) :
  			(sym_op->auth.data.length + sess->iv.length +
  			 icv_len);
  
  	/* Configure Input SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr));
  	sge->length = sess->iv.length;
  
  	sge++;
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->auth.data.offset +
  				mbuf->data_off);
  	sge->length = mbuf->data_len - sym_op->auth.data.offset;
  
  	mbuf = mbuf->next;
  	/* i/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	sge->length -= icv_len;
  
  	if (sess->dir == DIR_DEC) {
  		sge++;
  		old_icv = (uint8_t *)(sge + 1);
  		memcpy(old_icv,	sym_op->auth.digest.data,
  		       icv_len);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_icv));
  		sge->length = icv_len;
  	}
  
  	DPAA2_SET_FLE_FIN(sge);
  	if (auth_only_len) {
  		DPAA2_SET_FLE_INTERNAL_JD(ip_fle, auth_only_len);
  		DPAA2_SET_FD_INTERNAL_JD(fd, auth_only_len);
  	}
  	DPAA2_SET_FD_LEN(fd, ip_fle->length);
  
  	return 0;
  }
  
  static inline int
  build_authenc_fd(dpaa2_sec_session *sess,
  		 struct rte_crypto_op *op,
  		 struct qbman_fd *fd, uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct qbman_fle *fle, *sge;
  	struct sec_flow_context *flc;
  	uint32_t auth_only_len = sym_op->auth.data.length -
  				sym_op->cipher.data.length;
  	int icv_len = sess->digest_length, retval;
  	uint8_t *old_icv;
  	uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  	struct rte_mbuf *dst;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		dst = sym_op->m_dst;
  	else
  		dst = sym_op->m_src;
  
  	/* we are using the first FLE entry to store Mbuf.
  	 * Currently we donot know which FLE has the mbuf stored.
  	 * So while retreiving we can go back 1 FLE from the FD -ADDR
  	 * to get the MBUF Addr from the previous FLE.
  	 * We can have a better approach to use the inline Mbuf
  	 */
  	retval = rte_mempool_get(priv->fle_pool, (void **)(&fle));
  	if (retval) {
  		RTE_LOG(ERR, PMD, "Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_POOL_BUF_SIZE);
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  	fle = fle + 1;
  	sge = fle + 2;
  	if (likely(bpid < MAX_BPID)) {
  		DPAA2_SET_FD_BPID(fd, bpid);
  		DPAA2_SET_FLE_BPID(fle, bpid);
  		DPAA2_SET_FLE_BPID(fle + 1, bpid);
  		DPAA2_SET_FLE_BPID(sge, bpid);
  		DPAA2_SET_FLE_BPID(sge + 1, bpid);
  		DPAA2_SET_FLE_BPID(sge + 2, bpid);
  		DPAA2_SET_FLE_BPID(sge + 3, bpid);
  	} else {
  		DPAA2_SET_FD_IVP(fd);
  		DPAA2_SET_FLE_IVP(fle);
  		DPAA2_SET_FLE_IVP((fle + 1));
  		DPAA2_SET_FLE_IVP(sge);
  		DPAA2_SET_FLE_IVP((sge + 1));
  		DPAA2_SET_FLE_IVP((sge + 2));
  		DPAA2_SET_FLE_IVP((sge + 3));
  	}
  
  	/* Save the shared descriptor */
  	flc = &priv->flc_desc[0].flc;
  	/* Configure FD as a FRAME LIST */
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG, "AUTHENC: auth_off: 0x%x/length %d, digest-len=%d\n"
  		   "cipher_off: 0x%x/length %d, iv-len=%d data_off: 0x%x\n",
  		   sym_op->auth.data.offset,
  		   sym_op->auth.data.length,
  		   sess->digest_length,
  		   sym_op->cipher.data.offset,
  		   sym_op->cipher.data.length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	/* Configure Output FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  	if (auth_only_len)
  		DPAA2_SET_FLE_INTERNAL_JD(fle, auth_only_len);
  	fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->cipher.data.length + icv_len) :
  			sym_op->cipher.data.length;
  
  	DPAA2_SET_FLE_SG_EXT(fle);
  
  	/* Configure Output SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(dst));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->cipher.data.offset +
  				dst->data_off);
  	sge->length = sym_op->cipher.data.length;
  
  	if (sess->dir == DIR_ENC) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge,
  				DPAA2_VADDR_TO_IOVA(sym_op->auth.digest.data));
  		sge->length = sess->digest_length;
  		DPAA2_SET_FD_LEN(fd, (sym_op->auth.data.length +
  					sess->iv.length));
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	sge++;
  	fle++;
  
  	/* Configure Input FLE with Scatter/Gather Entry */
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  	DPAA2_SET_FLE_SG_EXT(fle);
  	DPAA2_SET_FLE_FIN(fle);
  	fle->length = (sess->dir == DIR_ENC) ?
  			(sym_op->auth.data.length + sess->iv.length) :
  			(sym_op->auth.data.length + sess->iv.length +
  			 sess->digest_length);
  
  	/* Configure Input SGE for Encap/Decap */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr));
  	sge->length = sess->iv.length;
  	sge++;
  
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->auth.data.offset +
  				sym_op->m_src->data_off);
  	sge->length = sym_op->auth.data.length;
  	if (sess->dir == DIR_DEC) {
  		sge++;
  		old_icv = (uint8_t *)(sge + 1);
  		memcpy(old_icv,	sym_op->auth.digest.data,
  		       sess->digest_length);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_icv));
  		sge->length = sess->digest_length;
  		DPAA2_SET_FD_LEN(fd, (sym_op->auth.data.length +
  				 sess->digest_length +
  				 sess->iv.length));
  	}
  	DPAA2_SET_FLE_FIN(sge);
  	if (auth_only_len) {
  		DPAA2_SET_FLE_INTERNAL_JD(fle, auth_only_len);
  		DPAA2_SET_FD_INTERNAL_JD(fd, auth_only_len);
  	}
  	return 0;
  }
  
  static inline int build_auth_sg_fd(
  		dpaa2_sec_session *sess,
  		struct rte_crypto_op *op,
  		struct qbman_fd *fd,
  		__rte_unused uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct qbman_fle *fle, *sge, *ip_fle, *op_fle;
  	struct sec_flow_context *flc;
  	struct ctxt_priv *priv = sess->ctxt;
  	uint8_t *old_digest;
  	struct rte_mbuf *mbuf;
  
  	PMD_INIT_FUNC_TRACE();
  
  	mbuf = sym_op->m_src;
  	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
  			RTE_CACHE_LINE_SIZE);
  	if (unlikely(!fle)) {
  		RTE_LOG(ERR, PMD, "AUTH SG: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_SG_MEM_SIZE);
  	/* first FLE entry used to store mbuf and session ctxt */
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  	op_fle = fle + 1;
  	ip_fle = fle + 2;
  	sge = fle + 3;
  
  	flc = &priv->flc_desc[DESC_INITFINAL].flc;
  	/* sg FD */
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  
  	/* o/p fle */
  	DPAA2_SET_FLE_ADDR(op_fle,
  				DPAA2_VADDR_TO_IOVA(sym_op->auth.digest.data));
  	op_fle->length = sess->digest_length;
  
  	/* i/p fle */
  	DPAA2_SET_FLE_SG_EXT(ip_fle);
  	DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge));
  	/* i/p 1st seg */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->auth.data.offset + mbuf->data_off);
  	sge->length = mbuf->data_len - sym_op->auth.data.offset;
  
  	/* i/p segs */
  	mbuf = mbuf->next;
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	if (sess->dir == DIR_ENC) {
  		/* Digest calculation case */
  		sge->length -= sess->digest_length;
  		ip_fle->length = sym_op->auth.data.length;
  	} else {
  		/* Digest verification case */
  		sge++;
  		old_digest = (uint8_t *)(sge + 1);
  		rte_memcpy(old_digest, sym_op->auth.digest.data,
  			   sess->digest_length);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_digest));
  		sge->length = sess->digest_length;
  		ip_fle->length = sym_op->auth.data.length +
  				sess->digest_length;
  	}
  	DPAA2_SET_FLE_FIN(sge);
  	DPAA2_SET_FLE_FIN(ip_fle);
  	DPAA2_SET_FD_LEN(fd, ip_fle->length);
  
  	return 0;
  }
  
  static inline int
  build_auth_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op,
  	      struct qbman_fd *fd, uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct qbman_fle *fle, *sge;
  	struct sec_flow_context *flc;
  	struct ctxt_priv *priv = sess->ctxt;
  	uint8_t *old_digest;
  	int retval;
  
  	PMD_INIT_FUNC_TRACE();
  
  	retval = rte_mempool_get(priv->fle_pool, (void **)(&fle));
  	if (retval) {
  		RTE_LOG(ERR, PMD, "AUTH Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_POOL_BUF_SIZE);
  	/* TODO we are using the first FLE entry to store Mbuf.
  	 * Currently we donot know which FLE has the mbuf stored.
  	 * So while retreiving we can go back 1 FLE from the FD -ADDR
  	 * to get the MBUF Addr from the previous FLE.
  	 * We can have a better approach to use the inline Mbuf
  	 */
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  	fle = fle + 1;
  
  	if (likely(bpid < MAX_BPID)) {
  		DPAA2_SET_FD_BPID(fd, bpid);
  		DPAA2_SET_FLE_BPID(fle, bpid);
  		DPAA2_SET_FLE_BPID(fle + 1, bpid);
  	} else {
  		DPAA2_SET_FD_IVP(fd);
  		DPAA2_SET_FLE_IVP(fle);
  		DPAA2_SET_FLE_IVP((fle + 1));
  	}
  	flc = &priv->flc_desc[DESC_INITFINAL].flc;
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sym_op->auth.digest.data));
  	fle->length = sess->digest_length;
  
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(fle));
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	fle++;
  
  	if (sess->dir == DIR_ENC) {
  		DPAA2_SET_FLE_ADDR(fle,
  				   DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  		DPAA2_SET_FLE_OFFSET(fle, sym_op->auth.data.offset +
  				     sym_op->m_src->data_off);
  		DPAA2_SET_FD_LEN(fd, sym_op->auth.data.length);
  		fle->length = sym_op->auth.data.length;
  	} else {
  		sge = fle + 2;
  		DPAA2_SET_FLE_SG_EXT(fle);
  		DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  
  		if (likely(bpid < MAX_BPID)) {
  			DPAA2_SET_FLE_BPID(sge, bpid);
  			DPAA2_SET_FLE_BPID(sge + 1, bpid);
  		} else {
  			DPAA2_SET_FLE_IVP(sge);
  			DPAA2_SET_FLE_IVP((sge + 1));
  		}
  		DPAA2_SET_FLE_ADDR(sge,
  				   DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  		DPAA2_SET_FLE_OFFSET(sge, sym_op->auth.data.offset +
  				     sym_op->m_src->data_off);
  
  		DPAA2_SET_FD_LEN(fd, sym_op->auth.data.length +
  				 sess->digest_length);
  		sge->length = sym_op->auth.data.length;
  		sge++;
  		old_digest = (uint8_t *)(sge + 1);
  		rte_memcpy(old_digest, sym_op->auth.digest.data,
  			   sess->digest_length);
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(old_digest));
  		sge->length = sess->digest_length;
  		fle->length = sym_op->auth.data.length +
  				sess->digest_length;
  		DPAA2_SET_FLE_FIN(sge);
  	}
  	DPAA2_SET_FLE_FIN(fle);
  
  	return 0;
  }
  
  static int
  build_cipher_sg_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op,
  		struct qbman_fd *fd, __rte_unused uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct qbman_fle *ip_fle, *op_fle, *sge, *fle;
  	struct sec_flow_context *flc;
  	struct ctxt_priv *priv = sess->ctxt;
  	struct rte_mbuf *mbuf;
  	uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		mbuf = sym_op->m_dst;
  	else
  		mbuf = sym_op->m_src;
  
  	fle = (struct qbman_fle *)rte_malloc(NULL, FLE_SG_MEM_SIZE,
  			RTE_CACHE_LINE_SIZE);
  	if (!fle) {
  		RTE_LOG(ERR, PMD, "CIPHER SG: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_SG_MEM_SIZE);
  	/* first FLE entry used to store mbuf and session ctxt */
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  
  	op_fle = fle + 1;
  	ip_fle = fle + 2;
  	sge = fle + 3;
  
  	flc = &priv->flc_desc[0].flc;
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER SG: cipher_off: 0x%x/length %d,ivlen=%d data_off: 0x%x",
  		   sym_op->cipher.data.offset,
  		   sym_op->cipher.data.length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	/* o/p fle */
  	DPAA2_SET_FLE_ADDR(op_fle, DPAA2_VADDR_TO_IOVA(sge));
  	op_fle->length = sym_op->cipher.data.length;
  	DPAA2_SET_FLE_SG_EXT(op_fle);
  
  	/* o/p 1st seg */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->cipher.data.offset + mbuf->data_off);
  	sge->length = mbuf->data_len - sym_op->cipher.data.offset;
  
  	mbuf = mbuf->next;
  	/* o/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	DPAA2_SET_FLE_FIN(sge);
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER SG: 1 - flc = %p, fle = %p FLEaddr = %x-%x, length %d",
  			flc, fle, fle->addr_hi, fle->addr_lo,
  			fle->length);
  
  	/* i/p fle */
  	mbuf = sym_op->m_src;
  	sge++;
  	DPAA2_SET_FLE_ADDR(ip_fle, DPAA2_VADDR_TO_IOVA(sge));
  	ip_fle->length = sess->iv.length + sym_op->cipher.data.length;
  	DPAA2_SET_FLE_SG_EXT(ip_fle);
  
  	/* i/p IV */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr));
  	DPAA2_SET_FLE_OFFSET(sge, 0);
  	sge->length = sess->iv.length;
  
  	sge++;
  
  	/* i/p 1st seg */
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->cipher.data.offset +
  			     mbuf->data_off);
  	sge->length = mbuf->data_len - sym_op->cipher.data.offset;
  
  	mbuf = mbuf->next;
  	/* i/p segs */
  	while (mbuf) {
  		sge++;
  		DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
  		DPAA2_SET_FLE_OFFSET(sge, mbuf->data_off);
  		sge->length = mbuf->data_len;
  		mbuf = mbuf->next;
  	}
  	DPAA2_SET_FLE_FIN(sge);
  	DPAA2_SET_FLE_FIN(ip_fle);
  
  	/* sg fd */
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(op_fle));
  	DPAA2_SET_FD_LEN(fd, ip_fle->length);
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER SG: fdaddr =%p bpid =%d meta =%d off =%d, len =%d",
  		   (void *)DPAA2_GET_FD_ADDR(fd),
  		   DPAA2_GET_FD_BPID(fd),
  		   rte_dpaa2_bpid_info[bpid].meta_data_size,
  		   DPAA2_GET_FD_OFFSET(fd),
  		   DPAA2_GET_FD_LEN(fd));
  	return 0;
  }
  
  static int
  build_cipher_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op,
  		struct qbman_fd *fd, uint16_t bpid)
  {
  	struct rte_crypto_sym_op *sym_op = op->sym;
  	struct qbman_fle *fle, *sge;
  	int retval;
  	struct sec_flow_context *flc;
  	struct ctxt_priv *priv = sess->ctxt;
  	uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
  			sess->iv.offset);
  	struct rte_mbuf *dst;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (sym_op->m_dst)
  		dst = sym_op->m_dst;
  	else
  		dst = sym_op->m_src;
  
  	retval = rte_mempool_get(priv->fle_pool, (void **)(&fle));
  	if (retval) {
  		RTE_LOG(ERR, PMD, "CIPHER: Memory alloc failed for SGE\n");
  		return -1;
  	}
  	memset(fle, 0, FLE_POOL_BUF_SIZE);
  	/* TODO we are using the first FLE entry to store Mbuf.
  	 * Currently we donot know which FLE has the mbuf stored.
  	 * So while retreiving we can go back 1 FLE from the FD -ADDR
  	 * to get the MBUF Addr from the previous FLE.
  	 * We can have a better approach to use the inline Mbuf
  	 */
  	DPAA2_SET_FLE_ADDR(fle, (size_t)op);
  	DPAA2_FLE_SAVE_CTXT(fle, priv);
  	fle = fle + 1;
  	sge = fle + 2;
  
  	if (likely(bpid < MAX_BPID)) {
  		DPAA2_SET_FD_BPID(fd, bpid);
  		DPAA2_SET_FLE_BPID(fle, bpid);
  		DPAA2_SET_FLE_BPID(fle + 1, bpid);
  		DPAA2_SET_FLE_BPID(sge, bpid);
  		DPAA2_SET_FLE_BPID(sge + 1, bpid);
  	} else {
  		DPAA2_SET_FD_IVP(fd);
  		DPAA2_SET_FLE_IVP(fle);
  		DPAA2_SET_FLE_IVP((fle + 1));
  		DPAA2_SET_FLE_IVP(sge);
  		DPAA2_SET_FLE_IVP((sge + 1));
  	}
  
  	flc = &priv->flc_desc[0].flc;
  	DPAA2_SET_FD_ADDR(fd, DPAA2_VADDR_TO_IOVA(fle));
  	DPAA2_SET_FD_LEN(fd, sym_op->cipher.data.length +
  			 sess->iv.length);
  	DPAA2_SET_FD_COMPOUND_FMT(fd);
  	DPAA2_SET_FD_FLC(fd, DPAA2_VADDR_TO_IOVA(flc));
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER: cipher_off: 0x%x/length %d, ivlen=%d, data_off: 0x%x",
  		   sym_op->cipher.data.offset,
  		   sym_op->cipher.data.length,
  		   sess->iv.length,
  		   sym_op->m_src->data_off);
  
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_MBUF_VADDR_TO_IOVA(dst));
  	DPAA2_SET_FLE_OFFSET(fle, sym_op->cipher.data.offset +
  			     dst->data_off);
  
  	fle->length = sym_op->cipher.data.length + sess->iv.length;
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER: 1 - flc = %p, fle = %p FLEaddr = %x-%x, length %d",
  			flc, fle, fle->addr_hi, fle->addr_lo,
  			fle->length);
  
  	fle++;
  
  	DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sge));
  	fle->length = sym_op->cipher.data.length + sess->iv.length;
  
  	DPAA2_SET_FLE_SG_EXT(fle);
  
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_VADDR_TO_IOVA(iv_ptr));
  	sge->length = sess->iv.length;
  
  	sge++;
  	DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src));
  	DPAA2_SET_FLE_OFFSET(sge, sym_op->cipher.data.offset +
  			     sym_op->m_src->data_off);
  
  	sge->length = sym_op->cipher.data.length;
  	DPAA2_SET_FLE_FIN(sge);
  	DPAA2_SET_FLE_FIN(fle);
  
  	PMD_TX_LOG(DEBUG,
  			"CIPHER: fdaddr =%p bpid =%d meta =%d off =%d, len =%d",
  		   (void *)DPAA2_GET_FD_ADDR(fd),
  		   DPAA2_GET_FD_BPID(fd),
  		   rte_dpaa2_bpid_info[bpid].meta_data_size,
  		   DPAA2_GET_FD_OFFSET(fd),
  		   DPAA2_GET_FD_LEN(fd));
  
  	return 0;
  }
  
  static inline int
  build_sec_fd(struct rte_crypto_op *op,
  	     struct qbman_fd *fd, uint16_t bpid)
  {
  	int ret = -1;
  	dpaa2_sec_session *sess;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
  		sess = (dpaa2_sec_session *)get_session_private_data(
  				op->sym->session, cryptodev_driver_id);
  	else if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION)
  		sess = (dpaa2_sec_session *)get_sec_session_private_data(
  				op->sym->sec_session);
  	else
  		return -1;
  
  	/* Segmented buffer */
  	if (unlikely(!rte_pktmbuf_is_contiguous(op->sym->m_src))) {
  		switch (sess->ctxt_type) {
  		case DPAA2_SEC_CIPHER:
  			ret = build_cipher_sg_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_AUTH:
  			ret = build_auth_sg_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_AEAD:
  			ret = build_authenc_gcm_sg_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_CIPHER_HASH:
  			ret = build_authenc_sg_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_HASH_CIPHER:
  		default:
  			RTE_LOG(ERR, PMD, "error: Unsupported session\n");
  		}
  	} else {
  		switch (sess->ctxt_type) {
  		case DPAA2_SEC_CIPHER:
  			ret = build_cipher_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_AUTH:
  			ret = build_auth_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_AEAD:
  			ret = build_authenc_gcm_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_CIPHER_HASH:
  			ret = build_authenc_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_IPSEC:
  			ret = build_proto_fd(sess, op, fd, bpid);
  			break;
  		case DPAA2_SEC_HASH_CIPHER:
  		default:
  			RTE_LOG(ERR, PMD, "error: Unsupported session\n");
  		}
  	}
  	return ret;
  }
  
  static uint16_t
  dpaa2_sec_enqueue_burst(void *qp, struct rte_crypto_op **ops,
  			uint16_t nb_ops)
  {
  	/* Function to transmit the frames to given device and VQ*/
  	uint32_t loop;
  	int32_t ret;
  	struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
  	uint32_t frames_to_send;
  	struct qbman_eq_desc eqdesc;
  	struct dpaa2_sec_qp *dpaa2_qp = (struct dpaa2_sec_qp *)qp;
  	struct qbman_swp *swp;
  	uint16_t num_tx = 0;
  	/*todo - need to support multiple buffer pools */
  	uint16_t bpid;
  	struct rte_mempool *mb_pool;
  
  	if (unlikely(nb_ops == 0))
  		return 0;
  
  	if (ops[0]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
  		RTE_LOG(ERR, PMD, "sessionless crypto op not supported\n");
  		return 0;
  	}
  	/*Prepare enqueue descriptor*/
  	qbman_eq_desc_clear(&eqdesc);
  	qbman_eq_desc_set_no_orp(&eqdesc, DPAA2_EQ_RESP_ERR_FQ);
  	qbman_eq_desc_set_response(&eqdesc, 0, 0);
  	qbman_eq_desc_set_fq(&eqdesc, dpaa2_qp->tx_vq.fqid);
  
  	if (!DPAA2_PER_LCORE_SEC_DPIO) {
  		ret = dpaa2_affine_qbman_swp_sec();
  		if (ret) {
  			RTE_LOG(ERR, PMD, "Failure in affining portal\n");
  			return 0;
  		}
  	}
  	swp = DPAA2_PER_LCORE_SEC_PORTAL;
  
  	while (nb_ops) {
  		frames_to_send = (nb_ops >> 3) ? MAX_TX_RING_SLOTS : nb_ops;
  
  		for (loop = 0; loop < frames_to_send; loop++) {
  			/*Clear the unused FD fields before sending*/
  			memset(&fd_arr[loop], 0, sizeof(struct qbman_fd));
  			mb_pool = (*ops)->sym->m_src->pool;
  			bpid = mempool_to_bpid(mb_pool);
  			ret = build_sec_fd(*ops, &fd_arr[loop], bpid);
  			if (ret) {
  				PMD_DRV_LOG(ERR, "error: Improper packet"
  					    " contents for crypto operation\n");
  				goto skip_tx;
  			}
  			ops++;
  		}
  		loop = 0;
  		while (loop < frames_to_send) {
  			loop += qbman_swp_enqueue_multiple(swp, &eqdesc,
  							&fd_arr[loop],
  							NULL,
  							frames_to_send - loop);
  		}
  
  		num_tx += frames_to_send;
  		nb_ops -= frames_to_send;
  	}
  skip_tx:
  	dpaa2_qp->tx_vq.tx_pkts += num_tx;
  	dpaa2_qp->tx_vq.err_pkts += nb_ops;
  	return num_tx;
  }
  
  static inline struct rte_crypto_op *
  sec_simple_fd_to_mbuf(const struct qbman_fd *fd, __rte_unused uint8_t id)
  {
  	struct rte_crypto_op *op;
  	uint16_t len = DPAA2_GET_FD_LEN(fd);
  	uint16_t diff = 0;
  	dpaa2_sec_session *sess_priv;
  
  	struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF(
  		DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)),
  		rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
  
  	op = (struct rte_crypto_op *)mbuf->buf_iova;
  	mbuf->buf_iova = op->sym->aead.digest.phys_addr;
  	op->sym->aead.digest.phys_addr = 0L;
  
  	sess_priv = (dpaa2_sec_session *)get_sec_session_private_data(
  				op->sym->sec_session);
  	if (sess_priv->dir == DIR_ENC)
  		mbuf->data_off += SEC_FLC_DHR_OUTBOUND;
  	else
  		mbuf->data_off += SEC_FLC_DHR_INBOUND;
  	diff = len - mbuf->pkt_len;
  	mbuf->pkt_len += diff;
  	mbuf->data_len += diff;
  
  	return op;
  }
  
  static inline struct rte_crypto_op *
  sec_fd_to_mbuf(const struct qbman_fd *fd, uint8_t driver_id)
  {
  	struct qbman_fle *fle;
  	struct rte_crypto_op *op;
  	struct ctxt_priv *priv;
  	struct rte_mbuf *dst, *src;
  
  	if (DPAA2_FD_GET_FORMAT(fd) == qbman_fd_single)
  		return sec_simple_fd_to_mbuf(fd, driver_id);
  
  	fle = (struct qbman_fle *)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
  
  	PMD_RX_LOG(DEBUG, "FLE addr = %x - %x, offset = %x",
  		   fle->addr_hi, fle->addr_lo, fle->fin_bpid_offset);
  
  	/* we are using the first FLE entry to store Mbuf.
  	 * Currently we donot know which FLE has the mbuf stored.
  	 * So while retreiving we can go back 1 FLE from the FD -ADDR
  	 * to get the MBUF Addr from the previous FLE.
  	 * We can have a better approach to use the inline Mbuf
  	 */
  
  	if (unlikely(DPAA2_GET_FD_IVP(fd))) {
  		/* TODO complete it. */
  		RTE_LOG(ERR, PMD, "error: Non inline buffer - WHAT to DO?\n");
  		return NULL;
  	}
  	op = (struct rte_crypto_op *)DPAA2_GET_FLE_ADDR((fle - 1));
  
  	/* Prefeth op */
  	src = op->sym->m_src;
  	rte_prefetch0(src);
  
  	if (op->sym->m_dst) {
  		dst = op->sym->m_dst;
  		rte_prefetch0(dst);
  	} else
  		dst = src;
  
  	PMD_RX_LOG(DEBUG, "mbuf %p BMAN buf addr %p",
  		   (void *)dst, dst->buf_addr);
  
  	PMD_RX_LOG(DEBUG, "fdaddr =%p bpid =%d meta =%d off =%d, len =%d",
  		   (void *)DPAA2_GET_FD_ADDR(fd),
  		   DPAA2_GET_FD_BPID(fd),
  		   rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
  		   DPAA2_GET_FD_OFFSET(fd),
  		   DPAA2_GET_FD_LEN(fd));
  
  	/* free the fle memory */
  	if (likely(rte_pktmbuf_is_contiguous(src))) {
  		priv = (struct ctxt_priv *)DPAA2_GET_FLE_CTXT(fle - 1);
  		rte_mempool_put(priv->fle_pool, (void *)(fle-1));
  	} else
  		rte_free((void *)(fle-1));
  
  	return op;
  }
  
  static uint16_t
  dpaa2_sec_dequeue_burst(void *qp, struct rte_crypto_op **ops,
  			uint16_t nb_ops)
  {
  	/* Function is responsible to receive frames for a given device and VQ*/
  	struct dpaa2_sec_qp *dpaa2_qp = (struct dpaa2_sec_qp *)qp;
  	struct rte_cryptodev *dev =
  			(struct rte_cryptodev *)(dpaa2_qp->rx_vq.dev);
  	struct qbman_result *dq_storage;
  	uint32_t fqid = dpaa2_qp->rx_vq.fqid;
  	int ret, num_rx = 0;
  	uint8_t is_last = 0, status;
  	struct qbman_swp *swp;
  	const struct qbman_fd *fd;
  	struct qbman_pull_desc pulldesc;
  
  	if (!DPAA2_PER_LCORE_SEC_DPIO) {
  		ret = dpaa2_affine_qbman_swp_sec();
  		if (ret) {
  			RTE_LOG(ERR, PMD, "Failure in affining portal\n");
  			return 0;
  		}
  	}
  	swp = DPAA2_PER_LCORE_SEC_PORTAL;
  	dq_storage = dpaa2_qp->rx_vq.q_storage->dq_storage[0];
  
  	qbman_pull_desc_clear(&pulldesc);
  	qbman_pull_desc_set_numframes(&pulldesc,
  				      (nb_ops > DPAA2_DQRR_RING_SIZE) ?
  				      DPAA2_DQRR_RING_SIZE : nb_ops);
  	qbman_pull_desc_set_fq(&pulldesc, fqid);
  	qbman_pull_desc_set_storage(&pulldesc, dq_storage,
  				    (dma_addr_t)DPAA2_VADDR_TO_IOVA(dq_storage),
  				    1);
  
  	/*Issue a volatile dequeue command. */
  	while (1) {
  		if (qbman_swp_pull(swp, &pulldesc)) {
  			RTE_LOG(WARNING, PMD,
  				"SEC VDQ command is not issued : QBMAN busy\n");
  			/* Portal was busy, try again */
  			continue;
  		}
  		break;
  	};
  
  	/* Receive the packets till Last Dequeue entry is found with
  	 * respect to the above issues PULL command.
  	 */
  	while (!is_last) {
  		/* Check if the previous issued command is completed.
  		 * Also seems like the SWP is shared between the Ethernet Driver
  		 * and the SEC driver.
  		 */
  		while (!qbman_check_command_complete(dq_storage))
  			;
  
  		/* Loop until the dq_storage is updated with
  		 * new token by QBMAN
  		 */
  		while (!qbman_check_new_result(dq_storage))
  			;
  		/* Check whether Last Pull command is Expired and
  		 * setting Condition for Loop termination
  		 */
  		if (qbman_result_DQ_is_pull_complete(dq_storage)) {
  			is_last = 1;
  			/* Check for valid frame. */
  			status = (uint8_t)qbman_result_DQ_flags(dq_storage);
  			if (unlikely(
  				(status & QBMAN_DQ_STAT_VALIDFRAME) == 0)) {
  				PMD_RX_LOG(DEBUG, "No frame is delivered");
  				continue;
  			}
  		}
  
  		fd = qbman_result_DQ_fd(dq_storage);
  		ops[num_rx] = sec_fd_to_mbuf(fd, dev->driver_id);
  
  		if (unlikely(fd->simple.frc)) {
  			/* TODO Parse SEC errors */
  			RTE_LOG(ERR, PMD, "SEC returned Error - %x\n",
  				fd->simple.frc);
  			ops[num_rx]->status = RTE_CRYPTO_OP_STATUS_ERROR;
  		} else {
  			ops[num_rx]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
  		}
  
  		num_rx++;
  		dq_storage++;
  	} /* End of Packet Rx loop */
  
  	dpaa2_qp->rx_vq.rx_pkts += num_rx;
  
  	PMD_RX_LOG(DEBUG, "SEC Received %d Packets", num_rx);
  	/*Return the total number of packets received to DPAA2 app*/
  	return num_rx;
  }
  
  /** Release queue pair */
  static int
  dpaa2_sec_queue_pair_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
  {
  	struct dpaa2_sec_qp *qp =
  		(struct dpaa2_sec_qp *)dev->data->queue_pairs[queue_pair_id];
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (qp->rx_vq.q_storage) {
  		dpaa2_free_dq_storage(qp->rx_vq.q_storage);
  		rte_free(qp->rx_vq.q_storage);
  	}
  	rte_free(qp);
  
  	dev->data->queue_pairs[queue_pair_id] = NULL;
  
  	return 0;
  }
  
  /** Setup a queue pair */
  static int
  dpaa2_sec_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
  		__rte_unused const struct rte_cryptodev_qp_conf *qp_conf,
  		__rte_unused int socket_id,
  		__rte_unused struct rte_mempool *session_pool)
  {
  	struct dpaa2_sec_dev_private *priv = dev->data->dev_private;
  	struct dpaa2_sec_qp *qp;
  	struct fsl_mc_io *dpseci = (struct fsl_mc_io *)priv->hw;
  	struct dpseci_rx_queue_cfg cfg;
  	int32_t retcode;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* If qp is already in use free ring memory and qp metadata. */
  	if (dev->data->queue_pairs[qp_id] != NULL) {
  		PMD_DRV_LOG(INFO, "QP already setup");
  		return 0;
  	}
  
  	PMD_DRV_LOG(DEBUG, "dev =%p, queue =%d, conf =%p",
  		    dev, qp_id, qp_conf);
  
  	memset(&cfg, 0, sizeof(struct dpseci_rx_queue_cfg));
  
  	qp = rte_malloc(NULL, sizeof(struct dpaa2_sec_qp),
  			RTE_CACHE_LINE_SIZE);
  	if (!qp) {
  		RTE_LOG(ERR, PMD, "malloc failed for rx/tx queues\n");
  		return -1;
  	}
  
  	qp->rx_vq.dev = dev;
  	qp->tx_vq.dev = dev;
  	qp->rx_vq.q_storage = rte_malloc("sec dq storage",
  		sizeof(struct queue_storage_info_t),
  		RTE_CACHE_LINE_SIZE);
  	if (!qp->rx_vq.q_storage) {
  		RTE_LOG(ERR, PMD, "malloc failed for q_storage\n");
  		return -1;
  	}
  	memset(qp->rx_vq.q_storage, 0, sizeof(struct queue_storage_info_t));
  
  	if (dpaa2_alloc_dq_storage(qp->rx_vq.q_storage)) {
  		RTE_LOG(ERR, PMD, "dpaa2_alloc_dq_storage failed\n");
  		return -1;
  	}
  
  	dev->data->queue_pairs[qp_id] = qp;
  
  	cfg.options = cfg.options | DPSECI_QUEUE_OPT_USER_CTX;
  	cfg.user_ctx = (uint64_t)(&qp->rx_vq);
  	retcode = dpseci_set_rx_queue(dpseci, CMD_PRI_LOW, priv->token,
  				      qp_id, &cfg);
  	return retcode;
  }
  
  /** Start queue pair */
  static int
  dpaa2_sec_queue_pair_start(__rte_unused struct rte_cryptodev *dev,
  			   __rte_unused uint16_t queue_pair_id)
  {
  	PMD_INIT_FUNC_TRACE();
  
  	return 0;
  }
  
  /** Stop queue pair */
  static int
  dpaa2_sec_queue_pair_stop(__rte_unused struct rte_cryptodev *dev,
  			  __rte_unused uint16_t queue_pair_id)
  {
  	PMD_INIT_FUNC_TRACE();
  
  	return 0;
  }
  
  /** Return the number of allocated queue pairs */
  static uint32_t
  dpaa2_sec_queue_pair_count(struct rte_cryptodev *dev)
  {
  	PMD_INIT_FUNC_TRACE();
  
  	return dev->data->nb_queue_pairs;
  }
  
  /** Returns the size of the aesni gcm session structure */
  static unsigned int
  dpaa2_sec_session_get_size(struct rte_cryptodev *dev __rte_unused)
  {
  	PMD_INIT_FUNC_TRACE();
  
  	return sizeof(dpaa2_sec_session);
  }
  
  static int
  dpaa2_sec_cipher_init(struct rte_cryptodev *dev,
  		      struct rte_crypto_sym_xform *xform,
  		      dpaa2_sec_session *session)
  {
  	struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
  	struct alginfo cipherdata;
  	int bufsize, i;
  	struct ctxt_priv *priv;
  	struct sec_flow_context *flc;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* For SEC CIPHER only one descriptor is required. */
  	priv = (struct ctxt_priv *)rte_zmalloc(NULL,
  			sizeof(struct ctxt_priv) + sizeof(struct sec_flc_desc),
  			RTE_CACHE_LINE_SIZE);
  	if (priv == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for priv CTXT\n");
  		return -1;
  	}
  
  	priv->fle_pool = dev_priv->fle_pool;
  
  	flc = &priv->flc_desc[0].flc;
  
  	session->cipher_key.data = rte_zmalloc(NULL, xform->cipher.key.length,
  			RTE_CACHE_LINE_SIZE);
  	if (session->cipher_key.data == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for cipher key\n");
  		rte_free(priv);
  		return -1;
  	}
  	session->cipher_key.length = xform->cipher.key.length;
  
  	memcpy(session->cipher_key.data, xform->cipher.key.data,
  	       xform->cipher.key.length);
  	cipherdata.key = (uint64_t)session->cipher_key.data;
  	cipherdata.keylen = session->cipher_key.length;
  	cipherdata.key_enc_flags = 0;
  	cipherdata.key_type = RTA_DATA_IMM;
  
  	/* Set IV parameters */
  	session->iv.offset = xform->cipher.iv.offset;
  	session->iv.length = xform->cipher.iv.length;
  
  	switch (xform->cipher.algo) {
  	case RTE_CRYPTO_CIPHER_AES_CBC:
  		cipherdata.algtype = OP_ALG_ALGSEL_AES;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_3DES_CBC:
  		cipherdata.algtype = OP_ALG_ALGSEL_3DES;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_3DES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_AES_CTR:
  		cipherdata.algtype = OP_ALG_ALGSEL_AES;
  		cipherdata.algmode = OP_ALG_AAI_CTR;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CTR;
  		break;
  	case RTE_CRYPTO_CIPHER_3DES_CTR:
  	case RTE_CRYPTO_CIPHER_AES_ECB:
  	case RTE_CRYPTO_CIPHER_3DES_ECB:
  	case RTE_CRYPTO_CIPHER_AES_XTS:
  	case RTE_CRYPTO_CIPHER_AES_F8:
  	case RTE_CRYPTO_CIPHER_ARC4:
  	case RTE_CRYPTO_CIPHER_KASUMI_F8:
  	case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
  	case RTE_CRYPTO_CIPHER_ZUC_EEA3:
  	case RTE_CRYPTO_CIPHER_NULL:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported Cipher alg %u\n",
  			xform->cipher.algo);
  		goto error_out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Cipher specified %u\n",
  			xform->cipher.algo);
  		goto error_out;
  	}
  	session->dir = (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
  				DIR_ENC : DIR_DEC;
  
  	bufsize = cnstr_shdsc_blkcipher(priv->flc_desc[0].desc, 1, 0,
  					&cipherdata, NULL, session->iv.length,
  					session->dir);
  	if (bufsize < 0) {
  		RTE_LOG(ERR, PMD, "Crypto: Descriptor build failed\n");
  		goto error_out;
  	}
  	flc->dhr = 0;
  	flc->bpv0 = 0x1;
  	flc->mode_bits = 0x8000;
  
  	flc->word1_sdl = (uint8_t)bufsize;
  	flc->word2_rflc_31_0 = lower_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	flc->word3_rflc_63_32 = upper_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	session->ctxt = priv;
  
  	for (i = 0; i < bufsize; i++)
  		PMD_DRV_LOG(DEBUG, "DESC[%d]:0x%x\n",
  			    i, priv->flc_desc[0].desc[i]);
  
  	return 0;
  
  error_out:
  	rte_free(session->cipher_key.data);
  	rte_free(priv);
  	return -1;
  }
  
  static int
  dpaa2_sec_auth_init(struct rte_cryptodev *dev,
  		    struct rte_crypto_sym_xform *xform,
  		    dpaa2_sec_session *session)
  {
  	struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
  	struct alginfo authdata;
  	int bufsize, i;
  	struct ctxt_priv *priv;
  	struct sec_flow_context *flc;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* For SEC AUTH three descriptors are required for various stages */
  	priv = (struct ctxt_priv *)rte_zmalloc(NULL,
  			sizeof(struct ctxt_priv) + 3 *
  			sizeof(struct sec_flc_desc),
  			RTE_CACHE_LINE_SIZE);
  	if (priv == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for priv CTXT\n");
  		return -1;
  	}
  
  	priv->fle_pool = dev_priv->fle_pool;
  	flc = &priv->flc_desc[DESC_INITFINAL].flc;
  
  	session->auth_key.data = rte_zmalloc(NULL, xform->auth.key.length,
  			RTE_CACHE_LINE_SIZE);
  	if (session->auth_key.data == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for auth key\n");
  		rte_free(priv);
  		return -1;
  	}
  	session->auth_key.length = xform->auth.key.length;
  
  	memcpy(session->auth_key.data, xform->auth.key.data,
  	       xform->auth.key.length);
  	authdata.key = (uint64_t)session->auth_key.data;
  	authdata.keylen = session->auth_key.length;
  	authdata.key_enc_flags = 0;
  	authdata.key_type = RTA_DATA_IMM;
  
  	session->digest_length = xform->auth.digest_length;
  
  	switch (xform->auth.algo) {
  	case RTE_CRYPTO_AUTH_SHA1_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA1;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_MD5_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_MD5;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_MD5_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA256_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA256;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA384_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA384;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA512_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA512;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA224_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA224;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA224_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
  	case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
  	case RTE_CRYPTO_AUTH_NULL:
  	case RTE_CRYPTO_AUTH_SHA1:
  	case RTE_CRYPTO_AUTH_SHA256:
  	case RTE_CRYPTO_AUTH_SHA512:
  	case RTE_CRYPTO_AUTH_SHA224:
  	case RTE_CRYPTO_AUTH_SHA384:
  	case RTE_CRYPTO_AUTH_MD5:
  	case RTE_CRYPTO_AUTH_AES_GMAC:
  	case RTE_CRYPTO_AUTH_KASUMI_F9:
  	case RTE_CRYPTO_AUTH_AES_CMAC:
  	case RTE_CRYPTO_AUTH_AES_CBC_MAC:
  	case RTE_CRYPTO_AUTH_ZUC_EIA3:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported auth alg %u\n",
  			xform->auth.algo);
  		goto error_out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Auth specified %u\n",
  			xform->auth.algo);
  		goto error_out;
  	}
  	session->dir = (xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) ?
  				DIR_ENC : DIR_DEC;
  
  	bufsize = cnstr_shdsc_hmac(priv->flc_desc[DESC_INITFINAL].desc,
  				   1, 0, &authdata, !session->dir,
  				   session->digest_length);
  	if (bufsize < 0) {
  		RTE_LOG(ERR, PMD, "Crypto: Invalid buffer length");
  		goto error_out;
  	}
  
  	flc->word1_sdl = (uint8_t)bufsize;
  	flc->word2_rflc_31_0 = lower_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	flc->word3_rflc_63_32 = upper_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	session->ctxt = priv;
  	for (i = 0; i < bufsize; i++)
  		PMD_DRV_LOG(DEBUG, "DESC[%d]:0x%x\n",
  			    i, priv->flc_desc[DESC_INITFINAL].desc[i]);
  
  
  	return 0;
  
  error_out:
  	rte_free(session->auth_key.data);
  	rte_free(priv);
  	return -1;
  }
  
  static int
  dpaa2_sec_aead_init(struct rte_cryptodev *dev,
  		    struct rte_crypto_sym_xform *xform,
  		    dpaa2_sec_session *session)
  {
  	struct dpaa2_sec_aead_ctxt *ctxt = &session->ext_params.aead_ctxt;
  	struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
  	struct alginfo aeaddata;
  	int bufsize, i;
  	struct ctxt_priv *priv;
  	struct sec_flow_context *flc;
  	struct rte_crypto_aead_xform *aead_xform = &xform->aead;
  	int err;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* Set IV parameters */
  	session->iv.offset = aead_xform->iv.offset;
  	session->iv.length = aead_xform->iv.length;
  	session->ctxt_type = DPAA2_SEC_AEAD;
  
  	/* For SEC AEAD only one descriptor is required */
  	priv = (struct ctxt_priv *)rte_zmalloc(NULL,
  			sizeof(struct ctxt_priv) + sizeof(struct sec_flc_desc),
  			RTE_CACHE_LINE_SIZE);
  	if (priv == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for priv CTXT\n");
  		return -1;
  	}
  
  	priv->fle_pool = dev_priv->fle_pool;
  	flc = &priv->flc_desc[0].flc;
  
  	session->aead_key.data = rte_zmalloc(NULL, aead_xform->key.length,
  					       RTE_CACHE_LINE_SIZE);
  	if (session->aead_key.data == NULL && aead_xform->key.length > 0) {
  		RTE_LOG(ERR, PMD, "No Memory for aead key\n");
  		rte_free(priv);
  		return -1;
  	}
  	memcpy(session->aead_key.data, aead_xform->key.data,
  	       aead_xform->key.length);
  
  	session->digest_length = aead_xform->digest_length;
  	session->aead_key.length = aead_xform->key.length;
  	ctxt->auth_only_len = aead_xform->aad_length;
  
  	aeaddata.key = (uint64_t)session->aead_key.data;
  	aeaddata.keylen = session->aead_key.length;
  	aeaddata.key_enc_flags = 0;
  	aeaddata.key_type = RTA_DATA_IMM;
  
  	switch (aead_xform->algo) {
  	case RTE_CRYPTO_AEAD_AES_GCM:
  		aeaddata.algtype = OP_ALG_ALGSEL_AES;
  		aeaddata.algmode = OP_ALG_AAI_GCM;
  		session->aead_alg = RTE_CRYPTO_AEAD_AES_GCM;
  		break;
  	case RTE_CRYPTO_AEAD_AES_CCM:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported AEAD alg %u\n",
  			aead_xform->algo);
  		goto error_out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined AEAD specified %u\n",
  			aead_xform->algo);
  		goto error_out;
  	}
  	session->dir = (aead_xform->op == RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
  				DIR_ENC : DIR_DEC;
  
  	priv->flc_desc[0].desc[0] = aeaddata.keylen;
  	err = rta_inline_query(IPSEC_AUTH_VAR_AES_DEC_BASE_DESC_LEN,
  			       MIN_JOB_DESC_SIZE,
  			       (unsigned int *)priv->flc_desc[0].desc,
  			       &priv->flc_desc[0].desc[1], 1);
  
  	if (err < 0) {
  		PMD_DRV_LOG(ERR, "Crypto: Incorrect key lengths\n");
  		goto error_out;
  	}
  	if (priv->flc_desc[0].desc[1] & 1) {
  		aeaddata.key_type = RTA_DATA_IMM;
  	} else {
  		aeaddata.key = DPAA2_VADDR_TO_IOVA(aeaddata.key);
  		aeaddata.key_type = RTA_DATA_PTR;
  	}
  	priv->flc_desc[0].desc[0] = 0;
  	priv->flc_desc[0].desc[1] = 0;
  
  	if (session->dir == DIR_ENC)
  		bufsize = cnstr_shdsc_gcm_encap(
  				priv->flc_desc[0].desc, 1, 0,
  				&aeaddata, session->iv.length,
  				session->digest_length);
  	else
  		bufsize = cnstr_shdsc_gcm_decap(
  				priv->flc_desc[0].desc, 1, 0,
  				&aeaddata, session->iv.length,
  				session->digest_length);
  	if (bufsize < 0) {
  		RTE_LOG(ERR, PMD, "Crypto: Invalid buffer length");
  		goto error_out;
  	}
  
  	flc->word1_sdl = (uint8_t)bufsize;
  	flc->word2_rflc_31_0 = lower_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	flc->word3_rflc_63_32 = upper_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	session->ctxt = priv;
  	for (i = 0; i < bufsize; i++)
  		PMD_DRV_LOG(DEBUG, "DESC[%d]:0x%x\n",
  			    i, priv->flc_desc[0].desc[i]);
  
  	return 0;
  
  error_out:
  	rte_free(session->aead_key.data);
  	rte_free(priv);
  	return -1;
  }
  
  
  static int
  dpaa2_sec_aead_chain_init(struct rte_cryptodev *dev,
  		    struct rte_crypto_sym_xform *xform,
  		    dpaa2_sec_session *session)
  {
  	struct dpaa2_sec_aead_ctxt *ctxt = &session->ext_params.aead_ctxt;
  	struct dpaa2_sec_dev_private *dev_priv = dev->data->dev_private;
  	struct alginfo authdata, cipherdata;
  	int bufsize, i;
  	struct ctxt_priv *priv;
  	struct sec_flow_context *flc;
  	struct rte_crypto_cipher_xform *cipher_xform;
  	struct rte_crypto_auth_xform *auth_xform;
  	int err;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (session->ext_params.aead_ctxt.auth_cipher_text) {
  		cipher_xform = &xform->cipher;
  		auth_xform = &xform->next->auth;
  		session->ctxt_type =
  			(cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
  			DPAA2_SEC_CIPHER_HASH : DPAA2_SEC_HASH_CIPHER;
  	} else {
  		cipher_xform = &xform->next->cipher;
  		auth_xform = &xform->auth;
  		session->ctxt_type =
  			(cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
  			DPAA2_SEC_HASH_CIPHER : DPAA2_SEC_CIPHER_HASH;
  	}
  
  	/* Set IV parameters */
  	session->iv.offset = cipher_xform->iv.offset;
  	session->iv.length = cipher_xform->iv.length;
  
  	/* For SEC AEAD only one descriptor is required */
  	priv = (struct ctxt_priv *)rte_zmalloc(NULL,
  			sizeof(struct ctxt_priv) + sizeof(struct sec_flc_desc),
  			RTE_CACHE_LINE_SIZE);
  	if (priv == NULL) {
  		RTE_LOG(ERR, PMD, "No Memory for priv CTXT\n");
  		return -1;
  	}
  
  	priv->fle_pool = dev_priv->fle_pool;
  	flc = &priv->flc_desc[0].flc;
  
  	session->cipher_key.data = rte_zmalloc(NULL, cipher_xform->key.length,
  					       RTE_CACHE_LINE_SIZE);
  	if (session->cipher_key.data == NULL && cipher_xform->key.length > 0) {
  		RTE_LOG(ERR, PMD, "No Memory for cipher key\n");
  		rte_free(priv);
  		return -1;
  	}
  	session->cipher_key.length = cipher_xform->key.length;
  	session->auth_key.data = rte_zmalloc(NULL, auth_xform->key.length,
  					     RTE_CACHE_LINE_SIZE);
  	if (session->auth_key.data == NULL && auth_xform->key.length > 0) {
  		RTE_LOG(ERR, PMD, "No Memory for auth key\n");
  		rte_free(session->cipher_key.data);
  		rte_free(priv);
  		return -1;
  	}
  	session->auth_key.length = auth_xform->key.length;
  	memcpy(session->cipher_key.data, cipher_xform->key.data,
  	       cipher_xform->key.length);
  	memcpy(session->auth_key.data, auth_xform->key.data,
  	       auth_xform->key.length);
  
  	authdata.key = (uint64_t)session->auth_key.data;
  	authdata.keylen = session->auth_key.length;
  	authdata.key_enc_flags = 0;
  	authdata.key_type = RTA_DATA_IMM;
  
  	session->digest_length = auth_xform->digest_length;
  
  	switch (auth_xform->algo) {
  	case RTE_CRYPTO_AUTH_SHA1_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA1;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_MD5_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_MD5;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_MD5_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA224_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA224;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA224_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA256_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA256;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA384_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA384;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA512_HMAC:
  		authdata.algtype = OP_ALG_ALGSEL_SHA512;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
  	case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
  	case RTE_CRYPTO_AUTH_NULL:
  	case RTE_CRYPTO_AUTH_SHA1:
  	case RTE_CRYPTO_AUTH_SHA256:
  	case RTE_CRYPTO_AUTH_SHA512:
  	case RTE_CRYPTO_AUTH_SHA224:
  	case RTE_CRYPTO_AUTH_SHA384:
  	case RTE_CRYPTO_AUTH_MD5:
  	case RTE_CRYPTO_AUTH_AES_GMAC:
  	case RTE_CRYPTO_AUTH_KASUMI_F9:
  	case RTE_CRYPTO_AUTH_AES_CMAC:
  	case RTE_CRYPTO_AUTH_AES_CBC_MAC:
  	case RTE_CRYPTO_AUTH_ZUC_EIA3:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported auth alg %u\n",
  			auth_xform->algo);
  		goto error_out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Auth specified %u\n",
  			auth_xform->algo);
  		goto error_out;
  	}
  	cipherdata.key = (uint64_t)session->cipher_key.data;
  	cipherdata.keylen = session->cipher_key.length;
  	cipherdata.key_enc_flags = 0;
  	cipherdata.key_type = RTA_DATA_IMM;
  
  	switch (cipher_xform->algo) {
  	case RTE_CRYPTO_CIPHER_AES_CBC:
  		cipherdata.algtype = OP_ALG_ALGSEL_AES;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_3DES_CBC:
  		cipherdata.algtype = OP_ALG_ALGSEL_3DES;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_3DES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_AES_CTR:
  		cipherdata.algtype = OP_ALG_ALGSEL_AES;
  		cipherdata.algmode = OP_ALG_AAI_CTR;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CTR;
  		break;
  	case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
  	case RTE_CRYPTO_CIPHER_NULL:
  	case RTE_CRYPTO_CIPHER_3DES_ECB:
  	case RTE_CRYPTO_CIPHER_AES_ECB:
  	case RTE_CRYPTO_CIPHER_KASUMI_F8:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported Cipher alg %u\n",
  			cipher_xform->algo);
  		goto error_out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Cipher specified %u\n",
  			cipher_xform->algo);
  		goto error_out;
  	}
  	session->dir = (cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
  				DIR_ENC : DIR_DEC;
  
  	priv->flc_desc[0].desc[0] = cipherdata.keylen;
  	priv->flc_desc[0].desc[1] = authdata.keylen;
  	err = rta_inline_query(IPSEC_AUTH_VAR_AES_DEC_BASE_DESC_LEN,
  			       MIN_JOB_DESC_SIZE,
  			       (unsigned int *)priv->flc_desc[0].desc,
  			       &priv->flc_desc[0].desc[2], 2);
  
  	if (err < 0) {
  		PMD_DRV_LOG(ERR, "Crypto: Incorrect key lengths\n");
  		goto error_out;
  	}
  	if (priv->flc_desc[0].desc[2] & 1) {
  		cipherdata.key_type = RTA_DATA_IMM;
  	} else {
  		cipherdata.key = DPAA2_VADDR_TO_IOVA(cipherdata.key);
  		cipherdata.key_type = RTA_DATA_PTR;
  	}
  	if (priv->flc_desc[0].desc[2] & (1 << 1)) {
  		authdata.key_type = RTA_DATA_IMM;
  	} else {
  		authdata.key = DPAA2_VADDR_TO_IOVA(authdata.key);
  		authdata.key_type = RTA_DATA_PTR;
  	}
  	priv->flc_desc[0].desc[0] = 0;
  	priv->flc_desc[0].desc[1] = 0;
  	priv->flc_desc[0].desc[2] = 0;
  
  	if (session->ctxt_type == DPAA2_SEC_CIPHER_HASH) {
  		bufsize = cnstr_shdsc_authenc(priv->flc_desc[0].desc, 1,
  					      0, &cipherdata, &authdata,
  					      session->iv.length,
  					      ctxt->auth_only_len,
  					      session->digest_length,
  					      session->dir);
  		if (bufsize < 0) {
  			RTE_LOG(ERR, PMD, "Crypto: Invalid buffer length");
  			goto error_out;
  		}
  	} else {
  		RTE_LOG(ERR, PMD, "Hash before cipher not supported\n");
  		goto error_out;
  	}
  
  	flc->word1_sdl = (uint8_t)bufsize;
  	flc->word2_rflc_31_0 = lower_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	flc->word3_rflc_63_32 = upper_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  	session->ctxt = priv;
  	for (i = 0; i < bufsize; i++)
  		PMD_DRV_LOG(DEBUG, "DESC[%d]:0x%x\n",
  			    i, priv->flc_desc[0].desc[i]);
  
  	return 0;
  
  error_out:
  	rte_free(session->cipher_key.data);
  	rte_free(session->auth_key.data);
  	rte_free(priv);
  	return -1;
  }
  
  static int
  dpaa2_sec_set_session_parameters(struct rte_cryptodev *dev,
  			    struct rte_crypto_sym_xform *xform,	void *sess)
  {
  	dpaa2_sec_session *session = sess;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (unlikely(sess == NULL)) {
  		RTE_LOG(ERR, PMD, "invalid session struct\n");
  		return -1;
  	}
  
  	/* Default IV length = 0 */
  	session->iv.length = 0;
  
  	/* Cipher Only */
  	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL) {
  		session->ctxt_type = DPAA2_SEC_CIPHER;
  		dpaa2_sec_cipher_init(dev, xform, session);
  
  	/* Authentication Only */
  	} else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
  		   xform->next == NULL) {
  		session->ctxt_type = DPAA2_SEC_AUTH;
  		dpaa2_sec_auth_init(dev, xform, session);
  
  	/* Cipher then Authenticate */
  	} else if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
  		   xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  		session->ext_params.aead_ctxt.auth_cipher_text = true;
  		dpaa2_sec_aead_chain_init(dev, xform, session);
  
  	/* Authenticate then Cipher */
  	} else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
  		   xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  		session->ext_params.aead_ctxt.auth_cipher_text = false;
  		dpaa2_sec_aead_chain_init(dev, xform, session);
  
  	/* AEAD operation for AES-GCM kind of Algorithms */
  	} else if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
  		   xform->next == NULL) {
  		dpaa2_sec_aead_init(dev, xform, session);
  
  	} else {
  		RTE_LOG(ERR, PMD, "Invalid crypto type\n");
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static int
  dpaa2_sec_set_ipsec_session(struct rte_cryptodev *dev,
  			    struct rte_security_session_conf *conf,
  			    void *sess)
  {
  	struct rte_security_ipsec_xform *ipsec_xform = &conf->ipsec;
  	struct rte_crypto_auth_xform *auth_xform;
  	struct rte_crypto_cipher_xform *cipher_xform;
  	dpaa2_sec_session *session = (dpaa2_sec_session *)sess;
  	struct ctxt_priv *priv;
  	struct ipsec_encap_pdb encap_pdb;
  	struct ipsec_decap_pdb decap_pdb;
  	struct alginfo authdata, cipherdata;
  	int bufsize;
  	struct sec_flow_context *flc;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
  		cipher_xform = &conf->crypto_xform->cipher;
  		auth_xform = &conf->crypto_xform->next->auth;
  	} else {
  		auth_xform = &conf->crypto_xform->auth;
  		cipher_xform = &conf->crypto_xform->next->cipher;
  	}
  	priv = (struct ctxt_priv *)rte_zmalloc(NULL,
  				sizeof(struct ctxt_priv) +
  				sizeof(struct sec_flc_desc),
  				RTE_CACHE_LINE_SIZE);
  
  	if (priv == NULL) {
  		RTE_LOG(ERR, PMD, "\nNo memory for priv CTXT");
  		return -ENOMEM;
  	}
  
  	flc = &priv->flc_desc[0].flc;
  
  	session->ctxt_type = DPAA2_SEC_IPSEC;
  	session->cipher_key.data = rte_zmalloc(NULL,
  					       cipher_xform->key.length,
  					       RTE_CACHE_LINE_SIZE);
  	if (session->cipher_key.data == NULL &&
  			cipher_xform->key.length > 0) {
  		RTE_LOG(ERR, PMD, "No Memory for cipher key\n");
  		rte_free(priv);
  		return -ENOMEM;
  	}
  
  	session->cipher_key.length = cipher_xform->key.length;
  	session->auth_key.data = rte_zmalloc(NULL,
  					auth_xform->key.length,
  					RTE_CACHE_LINE_SIZE);
  	if (session->auth_key.data == NULL &&
  			auth_xform->key.length > 0) {
  		RTE_LOG(ERR, PMD, "No Memory for auth key\n");
  		rte_free(session->cipher_key.data);
  		rte_free(priv);
  		return -ENOMEM;
  	}
  	session->auth_key.length = auth_xform->key.length;
  	memcpy(session->cipher_key.data, cipher_xform->key.data,
  			cipher_xform->key.length);
  	memcpy(session->auth_key.data, auth_xform->key.data,
  			auth_xform->key.length);
  
  	authdata.key = (uint64_t)session->auth_key.data;
  	authdata.keylen = session->auth_key.length;
  	authdata.key_enc_flags = 0;
  	authdata.key_type = RTA_DATA_IMM;
  	switch (auth_xform->algo) {
  	case RTE_CRYPTO_AUTH_SHA1_HMAC:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_SHA1_96;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_MD5_HMAC:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_MD5_96;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_MD5_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA256_HMAC:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_256_128;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA384_HMAC:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_384_192;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_SHA512_HMAC:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_512_256;
  		authdata.algmode = OP_ALG_AAI_HMAC;
  		session->auth_alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
  		break;
  	case RTE_CRYPTO_AUTH_AES_CMAC:
  		authdata.algtype = OP_PCL_IPSEC_AES_CMAC_96;
  		session->auth_alg = RTE_CRYPTO_AUTH_AES_CMAC;
  		break;
  	case RTE_CRYPTO_AUTH_NULL:
  		authdata.algtype = OP_PCL_IPSEC_HMAC_NULL;
  		session->auth_alg = RTE_CRYPTO_AUTH_NULL;
  		break;
  	case RTE_CRYPTO_AUTH_SHA224_HMAC:
  	case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
  	case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
  	case RTE_CRYPTO_AUTH_SHA1:
  	case RTE_CRYPTO_AUTH_SHA256:
  	case RTE_CRYPTO_AUTH_SHA512:
  	case RTE_CRYPTO_AUTH_SHA224:
  	case RTE_CRYPTO_AUTH_SHA384:
  	case RTE_CRYPTO_AUTH_MD5:
  	case RTE_CRYPTO_AUTH_AES_GMAC:
  	case RTE_CRYPTO_AUTH_KASUMI_F9:
  	case RTE_CRYPTO_AUTH_AES_CBC_MAC:
  	case RTE_CRYPTO_AUTH_ZUC_EIA3:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported auth alg %u\n",
  			auth_xform->algo);
  		goto out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Auth specified %u\n",
  			auth_xform->algo);
  		goto out;
  	}
  	cipherdata.key = (uint64_t)session->cipher_key.data;
  	cipherdata.keylen = session->cipher_key.length;
  	cipherdata.key_enc_flags = 0;
  	cipherdata.key_type = RTA_DATA_IMM;
  
  	switch (cipher_xform->algo) {
  	case RTE_CRYPTO_CIPHER_AES_CBC:
  		cipherdata.algtype = OP_PCL_IPSEC_AES_CBC;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_3DES_CBC:
  		cipherdata.algtype = OP_PCL_IPSEC_3DES;
  		cipherdata.algmode = OP_ALG_AAI_CBC;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_3DES_CBC;
  		break;
  	case RTE_CRYPTO_CIPHER_AES_CTR:
  		cipherdata.algtype = OP_PCL_IPSEC_AES_CTR;
  		cipherdata.algmode = OP_ALG_AAI_CTR;
  		session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CTR;
  		break;
  	case RTE_CRYPTO_CIPHER_NULL:
  		cipherdata.algtype = OP_PCL_IPSEC_NULL;
  		break;
  	case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
  	case RTE_CRYPTO_CIPHER_3DES_ECB:
  	case RTE_CRYPTO_CIPHER_AES_ECB:
  	case RTE_CRYPTO_CIPHER_KASUMI_F8:
  		RTE_LOG(ERR, PMD, "Crypto: Unsupported Cipher alg %u\n",
  			cipher_xform->algo);
  		goto out;
  	default:
  		RTE_LOG(ERR, PMD, "Crypto: Undefined Cipher specified %u\n",
  			cipher_xform->algo);
  		goto out;
  	}
  
  	if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
  		struct ip ip4_hdr;
  
  		flc->dhr = SEC_FLC_DHR_OUTBOUND;
  		ip4_hdr.ip_v = IPVERSION;
  		ip4_hdr.ip_hl = 5;
  		ip4_hdr.ip_len = rte_cpu_to_be_16(sizeof(ip4_hdr));
  		ip4_hdr.ip_tos = ipsec_xform->tunnel.ipv4.dscp;
  		ip4_hdr.ip_id = 0;
  		ip4_hdr.ip_off = 0;
  		ip4_hdr.ip_ttl = ipsec_xform->tunnel.ipv4.ttl;
  		ip4_hdr.ip_p = 0x32;
  		ip4_hdr.ip_sum = 0;
  		ip4_hdr.ip_src = ipsec_xform->tunnel.ipv4.src_ip;
  		ip4_hdr.ip_dst = ipsec_xform->tunnel.ipv4.dst_ip;
  		ip4_hdr.ip_sum = calc_chksum((uint16_t *)(void *)&ip4_hdr,
  			sizeof(struct ip));
  
  		/* For Sec Proto only one descriptor is required. */
  		memset(&encap_pdb, 0, sizeof(struct ipsec_encap_pdb));
  		encap_pdb.options = (IPVERSION << PDBNH_ESP_ENCAP_SHIFT) |
  			PDBOPTS_ESP_OIHI_PDB_INL |
  			PDBOPTS_ESP_IVSRC |
  			PDBHMO_ESP_ENCAP_DTTL;
  		encap_pdb.spi = ipsec_xform->spi;
  		encap_pdb.ip_hdr_len = sizeof(struct ip);
  
  		session->dir = DIR_ENC;
  		bufsize = cnstr_shdsc_ipsec_new_encap(priv->flc_desc[0].desc,
  				1, 0, &encap_pdb,
  				(uint8_t *)&ip4_hdr,
  				&cipherdata, &authdata);
  	} else if (ipsec_xform->direction ==
  			RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
  		flc->dhr = SEC_FLC_DHR_INBOUND;
  		memset(&decap_pdb, 0, sizeof(struct ipsec_decap_pdb));
  		decap_pdb.options = sizeof(struct ip) << 16;
  		session->dir = DIR_DEC;
  		bufsize = cnstr_shdsc_ipsec_new_decap(priv->flc_desc[0].desc,
  				1, 0, &decap_pdb, &cipherdata, &authdata);
  	} else
  		goto out;
  
  	if (bufsize < 0) {
  		RTE_LOG(ERR, PMD, "Crypto: Invalid buffer length");
  		goto out;
  	}
  
  	flc->word1_sdl = (uint8_t)bufsize;
  
  	/* Enable the stashing control bit */
  	DPAA2_SET_FLC_RSC(flc);
  	flc->word2_rflc_31_0 = lower_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq) | 0x14);
  	flc->word3_rflc_63_32 = upper_32_bits(
  			(uint64_t)&(((struct dpaa2_sec_qp *)
  			dev->data->queue_pairs[0])->rx_vq));
  
  	/* Set EWS bit i.e. enable write-safe */
  	DPAA2_SET_FLC_EWS(flc);
  	/* Set BS = 1 i.e reuse input buffers as output buffers */
  	DPAA2_SET_FLC_REUSE_BS(flc);
  	/* Set FF = 10; reuse input buffers if they provide sufficient space */
  	DPAA2_SET_FLC_REUSE_FF(flc);
  
  	session->ctxt = priv;
  
  	return 0;
  out:
  	rte_free(session->auth_key.data);
  	rte_free(session->cipher_key.data);
  	rte_free(priv);
  	return -1;
  }
  
  static int
  dpaa2_sec_security_session_create(void *dev,
  				  struct rte_security_session_conf *conf,
  				  struct rte_security_session *sess,
  				  struct rte_mempool *mempool)
  {
  	void *sess_private_data;
  	struct rte_cryptodev *cdev = (struct rte_cryptodev *)dev;
  	int ret;
  
  	if (rte_mempool_get(mempool, &sess_private_data)) {
  		CDEV_LOG_ERR(
  			"Couldn't get object from session mempool");
  		return -ENOMEM;
  	}
  
  	switch (conf->protocol) {
  	case RTE_SECURITY_PROTOCOL_IPSEC:
  		ret = dpaa2_sec_set_ipsec_session(cdev, conf,
  				sess_private_data);
  		break;
  	case RTE_SECURITY_PROTOCOL_MACSEC:
  		return -ENOTSUP;
  	default:
  		return -EINVAL;
  	}
  	if (ret != 0) {
  		PMD_DRV_LOG(ERR,
  			"DPAA2 PMD: failed to configure session parameters");
  
  		/* Return session to mempool */
  		rte_mempool_put(mempool, sess_private_data);
  		return ret;
  	}
  
  	set_sec_session_private_data(sess, sess_private_data);
  
  	return ret;
  }
  
  /** Clear the memory of session so it doesn't leave key material behind */
  static int
  dpaa2_sec_security_session_destroy(void *dev __rte_unused,
  		struct rte_security_session *sess)
  {
  	PMD_INIT_FUNC_TRACE();
  	void *sess_priv = get_sec_session_private_data(sess);
  
  	dpaa2_sec_session *s = (dpaa2_sec_session *)sess_priv;
  
  	if (sess_priv) {
  		struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
  
  		rte_free(s->ctxt);
  		rte_free(s->cipher_key.data);
  		rte_free(s->auth_key.data);
  		memset(sess, 0, sizeof(dpaa2_sec_session));
  		set_sec_session_private_data(sess, NULL);
  		rte_mempool_put(sess_mp, sess_priv);
  	}
  	return 0;
  }
  
  static int
  dpaa2_sec_session_configure(struct rte_cryptodev *dev,
  		struct rte_crypto_sym_xform *xform,
  		struct rte_cryptodev_sym_session *sess,
  		struct rte_mempool *mempool)
  {
  	void *sess_private_data;
  	int ret;
  
  	if (rte_mempool_get(mempool, &sess_private_data)) {
  		CDEV_LOG_ERR(
  			"Couldn't get object from session mempool");
  		return -ENOMEM;
  	}
  
  	ret = dpaa2_sec_set_session_parameters(dev, xform, sess_private_data);
  	if (ret != 0) {
  		PMD_DRV_LOG(ERR, "DPAA2 PMD: failed to configure "
  				"session parameters");
  
  		/* Return session to mempool */
  		rte_mempool_put(mempool, sess_private_data);
  		return ret;
  	}
  
  	set_session_private_data(sess, dev->driver_id,
  		sess_private_data);
  
  	return 0;
  }
  
  /** Clear the memory of session so it doesn't leave key material behind */
  static void
  dpaa2_sec_session_clear(struct rte_cryptodev *dev,
  		struct rte_cryptodev_sym_session *sess)
  {
  	PMD_INIT_FUNC_TRACE();
  	uint8_t index = dev->driver_id;
  	void *sess_priv = get_session_private_data(sess, index);
  	dpaa2_sec_session *s = (dpaa2_sec_session *)sess_priv;
  
  	if (sess_priv) {
  		rte_free(s->ctxt);
  		rte_free(s->cipher_key.data);
  		rte_free(s->auth_key.data);
  		memset(sess, 0, sizeof(dpaa2_sec_session));
  		struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
  		set_session_private_data(sess, index, NULL);
  		rte_mempool_put(sess_mp, sess_priv);
  	}
  }
  
  static int
  dpaa2_sec_dev_configure(struct rte_cryptodev *dev __rte_unused,
  			struct rte_cryptodev_config *config __rte_unused)
  {
  	PMD_INIT_FUNC_TRACE();
  
  	return 0;
  }
  
  static int
  dpaa2_sec_dev_start(struct rte_cryptodev *dev)
  {
  	struct dpaa2_sec_dev_private *priv = dev->data->dev_private;
  	struct fsl_mc_io *dpseci = (struct fsl_mc_io *)priv->hw;
  	struct dpseci_attr attr;
  	struct dpaa2_queue *dpaa2_q;
  	struct dpaa2_sec_qp **qp = (struct dpaa2_sec_qp **)
  					dev->data->queue_pairs;
  	struct dpseci_rx_queue_attr rx_attr;
  	struct dpseci_tx_queue_attr tx_attr;
  	int ret, i;
  
  	PMD_INIT_FUNC_TRACE();
  
  	memset(&attr, 0, sizeof(struct dpseci_attr));
  
  	ret = dpseci_enable(dpseci, CMD_PRI_LOW, priv->token);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "DPSECI with HW_ID = %d ENABLE FAILED\n",
  			     priv->hw_id);
  		goto get_attr_failure;
  	}
  	ret = dpseci_get_attributes(dpseci, CMD_PRI_LOW, priv->token, &attr);
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "DPSEC ATTRIBUTE READ FAILED, disabling DPSEC\n");
  		goto get_attr_failure;
  	}
  	for (i = 0; i < attr.num_rx_queues && qp[i]; i++) {
  		dpaa2_q = &qp[i]->rx_vq;
  		dpseci_get_rx_queue(dpseci, CMD_PRI_LOW, priv->token, i,
  				    &rx_attr);
  		dpaa2_q->fqid = rx_attr.fqid;
  		PMD_INIT_LOG(DEBUG, "rx_fqid: %d", dpaa2_q->fqid);
  	}
  	for (i = 0; i < attr.num_tx_queues && qp[i]; i++) {
  		dpaa2_q = &qp[i]->tx_vq;
  		dpseci_get_tx_queue(dpseci, CMD_PRI_LOW, priv->token, i,
  				    &tx_attr);
  		dpaa2_q->fqid = tx_attr.fqid;
  		PMD_INIT_LOG(DEBUG, "tx_fqid: %d", dpaa2_q->fqid);
  	}
  
  	return 0;
  get_attr_failure:
  	dpseci_disable(dpseci, CMD_PRI_LOW, priv->token);
  	return -1;
  }
  
  static void
  dpaa2_sec_dev_stop(struct rte_cryptodev *dev)
  {
  	struct dpaa2_sec_dev_private *priv = dev->data->dev_private;
  	struct fsl_mc_io *dpseci = (struct fsl_mc_io *)priv->hw;
  	int ret;
  
  	PMD_INIT_FUNC_TRACE();
  
  	ret = dpseci_disable(dpseci, CMD_PRI_LOW, priv->token);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failure in disabling dpseci %d device",
  			     priv->hw_id);
  		return;
  	}
  
  	ret = dpseci_reset(dpseci, CMD_PRI_LOW, priv->token);
  	if (ret < 0) {
  		PMD_INIT_LOG(ERR, "SEC Device cannot be reset:Error = %0x\n",
  			     ret);
  		return;
  	}
  }
  
  static int
  dpaa2_sec_dev_close(struct rte_cryptodev *dev)
  {
  	struct dpaa2_sec_dev_private *priv = dev->data->dev_private;
  	struct fsl_mc_io *dpseci = (struct fsl_mc_io *)priv->hw;
  	int ret;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* Function is reverse of dpaa2_sec_dev_init.
  	 * It does the following:
  	 * 1. Detach a DPSECI from attached resources i.e. buffer pools, dpbp_id
  	 * 2. Close the DPSECI device
  	 * 3. Free the allocated resources.
  	 */
  
  	/*Close the device at underlying layer*/
  	ret = dpseci_close(dpseci, CMD_PRI_LOW, priv->token);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failure closing dpseci device with"
  			     " error code %d\n", ret);
  		return -1;
  	}
  
  	/*Free the allocated memory for ethernet private data and dpseci*/
  	priv->hw = NULL;
  	rte_free(dpseci);
  
  	return 0;
  }
  
  static void
  dpaa2_sec_dev_infos_get(struct rte_cryptodev *dev,
  			struct rte_cryptodev_info *info)
  {
  	struct dpaa2_sec_dev_private *internals = dev->data->dev_private;
  
  	PMD_INIT_FUNC_TRACE();
  	if (info != NULL) {
  		info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
  		info->feature_flags = dev->feature_flags;
  		info->capabilities = dpaa2_sec_capabilities;
  		info->sym.max_nb_sessions = internals->max_nb_sessions;
  		info->driver_id = cryptodev_driver_id;
  	}
  }
  
  static
  void dpaa2_sec_stats_get(struct rte_cryptodev *dev,
  			 struct rte_cryptodev_stats *stats)
  {
  	struct dpaa2_sec_dev_private *priv = dev->data->dev_private;
  	struct fsl_mc_io *dpseci = (struct fsl_mc_io *)priv->hw;
  	struct dpseci_sec_counters counters = {0};
  	struct dpaa2_sec_qp **qp = (struct dpaa2_sec_qp **)
  					dev->data->queue_pairs;
  	int ret, i;
  
  	PMD_INIT_FUNC_TRACE();
  	if (stats == NULL) {
  		PMD_DRV_LOG(ERR, "invalid stats ptr NULL");
  		return;
  	}
  	for (i = 0; i < dev->data->nb_queue_pairs; i++) {
  		if (qp[i] == NULL) {
  			PMD_DRV_LOG(DEBUG, "Uninitialised queue pair");
  			continue;
  		}
  
  		stats->enqueued_count += qp[i]->tx_vq.tx_pkts;
  		stats->dequeued_count += qp[i]->rx_vq.rx_pkts;
  		stats->enqueue_err_count += qp[i]->tx_vq.err_pkts;
  		stats->dequeue_err_count += qp[i]->rx_vq.err_pkts;
  	}
  
  	ret = dpseci_get_sec_counters(dpseci, CMD_PRI_LOW, priv->token,
  				      &counters);
  	if (ret) {
  		PMD_DRV_LOG(ERR, "dpseci_get_sec_counters failed\n");
  	} else {
  		PMD_DRV_LOG(INFO, "dpseci hw stats:"
  			    "\n\tNumber of Requests Dequeued = %lu"
  			    "\n\tNumber of Outbound Encrypt Requests = %lu"
  			    "\n\tNumber of Inbound Decrypt Requests = %lu"
  			    "\n\tNumber of Outbound Bytes Encrypted = %lu"
  			    "\n\tNumber of Outbound Bytes Protected = %lu"
  			    "\n\tNumber of Inbound Bytes Decrypted = %lu"
  			    "\n\tNumber of Inbound Bytes Validated = %lu",
  			    counters.dequeued_requests,
  			    counters.ob_enc_requests,
  			    counters.ib_dec_requests,
  			    counters.ob_enc_bytes,
  			    counters.ob_prot_bytes,
  			    counters.ib_dec_bytes,
  			    counters.ib_valid_bytes);
  	}
  }
  
  static
  void dpaa2_sec_stats_reset(struct rte_cryptodev *dev)
  {
  	int i;
  	struct dpaa2_sec_qp **qp = (struct dpaa2_sec_qp **)
  				   (dev->data->queue_pairs);
  
  	PMD_INIT_FUNC_TRACE();
  
  	for (i = 0; i < dev->data->nb_queue_pairs; i++) {
  		if (qp[i] == NULL) {
  			PMD_DRV_LOG(DEBUG, "Uninitialised queue pair");
  			continue;
  		}
  		qp[i]->tx_vq.rx_pkts = 0;
  		qp[i]->tx_vq.tx_pkts = 0;
  		qp[i]->tx_vq.err_pkts = 0;
  		qp[i]->rx_vq.rx_pkts = 0;
  		qp[i]->rx_vq.tx_pkts = 0;
  		qp[i]->rx_vq.err_pkts = 0;
  	}
  }
  
  static struct rte_cryptodev_ops crypto_ops = {
  	.dev_configure	      = dpaa2_sec_dev_configure,
  	.dev_start	      = dpaa2_sec_dev_start,
  	.dev_stop	      = dpaa2_sec_dev_stop,
  	.dev_close	      = dpaa2_sec_dev_close,
  	.dev_infos_get        = dpaa2_sec_dev_infos_get,
  	.stats_get	      = dpaa2_sec_stats_get,
  	.stats_reset	      = dpaa2_sec_stats_reset,
  	.queue_pair_setup     = dpaa2_sec_queue_pair_setup,
  	.queue_pair_release   = dpaa2_sec_queue_pair_release,
  	.queue_pair_start     = dpaa2_sec_queue_pair_start,
  	.queue_pair_stop      = dpaa2_sec_queue_pair_stop,
  	.queue_pair_count     = dpaa2_sec_queue_pair_count,
  	.session_get_size     = dpaa2_sec_session_get_size,
  	.session_configure    = dpaa2_sec_session_configure,
  	.session_clear        = dpaa2_sec_session_clear,
  };
  
  static const struct rte_security_capability *
  dpaa2_sec_capabilities_get(void *device __rte_unused)
  {
  	return dpaa2_sec_security_cap;
  }
  
  struct rte_security_ops dpaa2_sec_security_ops = {
  	.session_create = dpaa2_sec_security_session_create,
  	.session_update = NULL,
  	.session_stats_get = NULL,
  	.session_destroy = dpaa2_sec_security_session_destroy,
  	.set_pkt_metadata = NULL,
  	.capabilities_get = dpaa2_sec_capabilities_get
  };
  
  static int
  dpaa2_sec_uninit(const struct rte_cryptodev *dev)
  {
  	struct dpaa2_sec_dev_private *internals = dev->data->dev_private;
  
  	rte_free(dev->security_ctx);
  
  	rte_mempool_free(internals->fle_pool);
  
  	PMD_INIT_LOG(INFO, "Closing DPAA2_SEC device %s on numa socket %u\n",
  		     dev->data->name, rte_socket_id());
  
  	return 0;
  }
  
  static int
  dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev)
  {
  	struct dpaa2_sec_dev_private *internals;
  	struct rte_device *dev = cryptodev->device;
  	struct rte_dpaa2_device *dpaa2_dev;
  	struct rte_security_ctx *security_instance;
  	struct fsl_mc_io *dpseci;
  	uint16_t token;
  	struct dpseci_attr attr;
  	int retcode, hw_id;
  	char str[20];
  
  	PMD_INIT_FUNC_TRACE();
  	dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
  	if (dpaa2_dev == NULL) {
  		PMD_INIT_LOG(ERR, "dpaa2_device not found\n");
  		return -1;
  	}
  	hw_id = dpaa2_dev->object_id;
  
  	cryptodev->driver_id = cryptodev_driver_id;
  	cryptodev->dev_ops = &crypto_ops;
  
  	cryptodev->enqueue_burst = dpaa2_sec_enqueue_burst;
  	cryptodev->dequeue_burst = dpaa2_sec_dequeue_burst;
  	cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
  			RTE_CRYPTODEV_FF_HW_ACCELERATED |
  			RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
  			RTE_CRYPTODEV_FF_SECURITY |
  			RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
  
  	internals = cryptodev->data->dev_private;
  	internals->max_nb_sessions = RTE_DPAA2_SEC_PMD_MAX_NB_SESSIONS;
  
  	/*
  	 * For secondary processes, we don't initialise any further as primary
  	 * has already done this work. Only check we don't need a different
  	 * RX function
  	 */
  	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
  		PMD_INIT_LOG(DEBUG, "Device already init by primary process");
  		return 0;
  	}
  
  	/* Initialize security_ctx only for primary process*/
  	security_instance = rte_malloc("rte_security_instances_ops",
  				sizeof(struct rte_security_ctx), 0);
  	if (security_instance == NULL)
  		return -ENOMEM;
  	security_instance->device = (void *)cryptodev;
  	security_instance->ops = &dpaa2_sec_security_ops;
  	security_instance->sess_cnt = 0;
  	cryptodev->security_ctx = security_instance;
  
  	/*Open the rte device via MC and save the handle for further use*/
  	dpseci = (struct fsl_mc_io *)rte_calloc(NULL, 1,
  				sizeof(struct fsl_mc_io), 0);
  	if (!dpseci) {
  		PMD_INIT_LOG(ERR,
  			     "Error in allocating the memory for dpsec object");
  		return -1;
  	}
  	dpseci->regs = rte_mcp_ptr_list[0];
  
  	retcode = dpseci_open(dpseci, CMD_PRI_LOW, hw_id, &token);
  	if (retcode != 0) {
  		PMD_INIT_LOG(ERR, "Cannot open the dpsec device: Error = %x",
  			     retcode);
  		goto init_error;
  	}
  	retcode = dpseci_get_attributes(dpseci, CMD_PRI_LOW, token, &attr);
  	if (retcode != 0) {
  		PMD_INIT_LOG(ERR,
  			     "Cannot get dpsec device attributed: Error = %x",
  			     retcode);
  		goto init_error;
  	}
  	sprintf(cryptodev->data->name, "dpsec-%u", hw_id);
  
  	internals->max_nb_queue_pairs = attr.num_tx_queues;
  	cryptodev->data->nb_queue_pairs = internals->max_nb_queue_pairs;
  	internals->hw = dpseci;
  	internals->token = token;
  
  	sprintf(str, "fle_pool_%d", cryptodev->data->dev_id);
  	internals->fle_pool = rte_mempool_create((const char *)str,
  			FLE_POOL_NUM_BUFS,
  			FLE_POOL_BUF_SIZE,
  			FLE_POOL_CACHE_SIZE, 0,
  			NULL, NULL, NULL, NULL,
  			SOCKET_ID_ANY, 0);
  	if (!internals->fle_pool) {
  		RTE_LOG(ERR, PMD, "%s create failed\n", str);
  		goto init_error;
  	}
  
  	PMD_INIT_LOG(DEBUG, "driver %s: created\n", cryptodev->data->name);
  	return 0;
  
  init_error:
  	PMD_INIT_LOG(ERR, "driver %s: create failed\n", cryptodev->data->name);
  
  	/* dpaa2_sec_uninit(crypto_dev_name); */
  	return -EFAULT;
  }
  
  static int
  cryptodev_dpaa2_sec_probe(struct rte_dpaa2_driver *dpaa2_drv,
  			  struct rte_dpaa2_device *dpaa2_dev)
  {
  	struct rte_cryptodev *cryptodev;
  	char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
  
  	int retval;
  
  	sprintf(cryptodev_name, "dpsec-%d", dpaa2_dev->object_id);
  
  	cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
  	if (cryptodev == NULL)
  		return -ENOMEM;
  
  	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
  		cryptodev->data->dev_private = rte_zmalloc_socket(
  					"cryptodev private structure",
  					sizeof(struct dpaa2_sec_dev_private),
  					RTE_CACHE_LINE_SIZE,
  					rte_socket_id());
  
  		if (cryptodev->data->dev_private == NULL)
  			rte_panic("Cannot allocate memzone for private "
  					"device data");
  	}
  
  	dpaa2_dev->cryptodev = cryptodev;
  	cryptodev->device = &dpaa2_dev->device;
  	cryptodev->device->driver = &dpaa2_drv->driver;
  
  	/* init user callbacks */
  	TAILQ_INIT(&(cryptodev->link_intr_cbs));
  
  	/* Invoke PMD device initialization function */
  	retval = dpaa2_sec_dev_init(cryptodev);
  	if (retval == 0)
  		return 0;
  
  	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
  		rte_free(cryptodev->data->dev_private);
  
  	cryptodev->attached = RTE_CRYPTODEV_DETACHED;
  
  	return -ENXIO;
  }
  
  static int
  cryptodev_dpaa2_sec_remove(struct rte_dpaa2_device *dpaa2_dev)
  {
  	struct rte_cryptodev *cryptodev;
  	int ret;
  
  	cryptodev = dpaa2_dev->cryptodev;
  	if (cryptodev == NULL)
  		return -ENODEV;
  
  	ret = dpaa2_sec_uninit(cryptodev);
  	if (ret)
  		return ret;
  
  	return rte_cryptodev_pmd_destroy(cryptodev);
  }
  
  static struct rte_dpaa2_driver rte_dpaa2_sec_driver = {
  	.drv_flags = RTE_DPAA2_DRV_IOVA_AS_VA,
  	.drv_type = DPAA2_CRYPTO,
  	.driver = {
  		.name = "DPAA2 SEC PMD"
  	},
  	.probe = cryptodev_dpaa2_sec_probe,
  	.remove = cryptodev_dpaa2_sec_remove,
  };
  
  static struct cryptodev_driver dpaa2_sec_crypto_drv;
  
  RTE_PMD_REGISTER_DPAA2(CRYPTODEV_NAME_DPAA2_SEC_PMD, rte_dpaa2_sec_driver);
  RTE_PMD_REGISTER_CRYPTO_DRIVER(dpaa2_sec_crypto_drv, rte_dpaa2_sec_driver,
  		cryptodev_driver_id);
  