dpdk: selection of cryptodev engine data-path

Type: improvement

This patch combined cryptodev op and cryptodev raw API data
paths into one and makes the engine run-timely select which
data path is used: if all cryptodev devices support
RTE_CRYPTODEV_FF_SYM_RAW_DP feature flag, the raw data path
API is used, otherwise the traditional data path is used.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Change-Id: Ibbd7c4405288bd9a48a34878954fd3040df7b4ad

6 files changed, 2078 insertions, 2731 deletions

diff --git a/src/plugins/dpdk/CMakeLists.txt b/src/plugins/dpdk/CMakeLists.txt
index b9633814867..9655daf8f8d 100644
--- a/src/plugins/dpdk/CMakeLists.txt
+++ b/src/plugins/dpdk/CMakeLists.txt
@@ -118,9 +118,7 @@ endif()
 ##############################################################################
 
 if (${DPDK_VERSION} VERSION_GREATER_EQUAL "20.8.0")
-  set(DPDK_CRYPTODEV_SOURCE cryptodev_dp_api)
-else ()
-  set(DPDK_CRYPTODEV_SOURCE cryptodev)
+  set(DPDK_CRYPTODEV_RAW_SOURCE cryptodev/cryptodev_raw_data_path.c)
 endif ()
 
 add_vpp_plugin(dpdk
@@ -135,7 +133,9 @@ add_vpp_plugin(dpdk
   device/format.c
   device/init.c
   device/node.c
-  cryptodev/${DPDK_CRYPTODEV_SOURCE}.c
+  cryptodev/cryptodev_op_data_path.c
+  cryptodev/cryptodev.c
+  ${DPDK_CRYPTODEV_RAW_SOURCE}
 
   MULTIARCH_SOURCES
   buffer.c
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index cd9d104224b..a310538f064 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -32,121 +32,14 @@
 #include <rte_cryptodev_pmd.h>
 #include <rte_config.h>
 
+#include "cryptodev.h"
+
 #if CLIB_DEBUG > 0
 #define always_inline static inline
 #else
 #define always_inline static inline __attribute__ ((__always_inline__))
 #endif
 
-#define CRYPTODEV_NB_CRYPTO_OPS 1024
-#define CRYPTODEV_NB_SESSION    10240
-#define CRYPTODEV_DEF_DRIVE	crypto_aesni_mb
-
-#define CRYPTODEV_IV_OFFSET (offsetof (cryptodev_op_t, iv))
-#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
-
-/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN */
-#define foreach_vnet_aead_crypto_conversion \
-  _(AES_128_GCM, AEAD, AES_GCM, 12, 16, 8)  \
-  _(AES_128_GCM, AEAD, AES_GCM, 12, 16, 12) \
-  _(AES_192_GCM, AEAD, AES_GCM, 12, 16, 8)  \
-  _(AES_192_GCM, AEAD, AES_GCM, 12, 16, 12) \
-  _(AES_256_GCM, AEAD, AES_GCM, 12, 16, 8)  \
-  _(AES_256_GCM, AEAD, AES_GCM, 12, 16, 12)
-
-/**
- * crypto (alg, cryptodev_alg), hash (alg, digest-size)
- **/
-#define foreach_cryptodev_link_async_alg	\
-  _ (AES_128_CBC, AES_CBC, SHA1, 12)		\
-  _ (AES_192_CBC, AES_CBC, SHA1, 12)		\
-  _ (AES_256_CBC, AES_CBC, SHA1, 12)		\
-  _ (AES_128_CBC, AES_CBC, SHA224, 14)		\
-  _ (AES_192_CBC, AES_CBC, SHA224, 14)		\
-  _ (AES_256_CBC, AES_CBC, SHA224, 14)		\
-  _ (AES_128_CBC, AES_CBC, SHA256, 16)		\
-  _ (AES_192_CBC, AES_CBC, SHA256, 16)		\
-  _ (AES_256_CBC, AES_CBC, SHA256, 16)		\
-  _ (AES_128_CBC, AES_CBC, SHA384, 24)		\
-  _ (AES_192_CBC, AES_CBC, SHA384, 24)		\
-  _ (AES_256_CBC, AES_CBC, SHA384, 24)		\
-  _ (AES_128_CBC, AES_CBC, SHA512, 32)		\
-  _ (AES_192_CBC, AES_CBC, SHA512, 32)		\
-  _ (AES_256_CBC, AES_CBC, SHA512, 32)
-
-#define foreach_vnet_crypto_status_conversion \
-  _(SUCCESS, COMPLETED)                       \
-  _(NOT_PROCESSED, WORK_IN_PROGRESS)          \
-  _(AUTH_FAILED, FAIL_BAD_HMAC)               \
-  _(INVALID_SESSION, FAIL_ENGINE_ERR)         \
-  _(INVALID_ARGS, FAIL_ENGINE_ERR)            \
-  _(ERROR, FAIL_ENGINE_ERR)
-
-static const vnet_crypto_op_status_t cryptodev_status_conversion[] = {
-#define _(a, b) VNET_CRYPTO_OP_STATUS_##b,
-  foreach_vnet_crypto_status_conversion
-#undef _
-};
-
-typedef struct
-{
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-  struct rte_crypto_op op;
-  struct rte_crypto_sym_op sop;
-  u8 iv[16];
-  u8 aad[16];
-  vnet_crypto_async_frame_t *frame;
-  u32 n_elts;
-} cryptodev_op_t;
-
-typedef enum
-{
-  CRYPTODEV_OP_TYPE_ENCRYPT = 0,
-  CRYPTODEV_OP_TYPE_DECRYPT,
-  CRYPTODEV_N_OP_TYPES,
-} cryptodev_op_type_t;
-
-typedef struct
-{
-  struct rte_cryptodev_sym_session ***keys;
-} cryptodev_key_t;
-
-typedef struct
-{
-  u32 dev_id;
-  u32 q_id;
-  char *desc;
-} cryptodev_inst_t;
-
-typedef struct
-{
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-  struct rte_mempool *cop_pool;
-  struct rte_mempool *sess_pool;
-  struct rte_mempool *sess_priv_pool;
-} cryptodev_numa_data_t;
-
-typedef struct
-{
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-  u16 cryptodev_id;
-  u16 cryptodev_q;
-  u32 inflight;
-  cryptodev_op_t **cops;
-  struct rte_ring *ring;
-} cryptodev_engine_thread_t;
-
-typedef struct
-{
-  cryptodev_numa_data_t *per_numa_data;
-  cryptodev_key_t *keys;
-  cryptodev_engine_thread_t *per_thread_data;
-  enum rte_iova_mode iova_mode;
-  cryptodev_inst_t *cryptodev_inst;
-  clib_bitmap_t *active_cdev_inst_mask;
-  clib_spinlock_t tlock;
-} cryptodev_main_t;
-
 cryptodev_main_t cryptodev_main;
 
 static_always_inline int
@@ -214,11 +107,11 @@ prepare_linked_xform (struct rte_crypto_sym_xform *xforms,
 
   switch (key->async_alg)
     {
-#define _(a, b, c, d) \
-  case VNET_CRYPTO_ALG_##a##_##c##_TAG##d:\
-    cipher_algo = RTE_CRYPTO_CIPHER_##b; \
-    auth_algo = RTE_CRYPTO_AUTH_##c##_HMAC; \
-    digest_len = d; \
+#define _(a, b, c, d, e)                                                      \
+  case VNET_CRYPTO_ALG_##a##_##d##_TAG##e:                                    \
+    cipher_algo = RTE_CRYPTO_CIPHER_##b;                                      \
+    auth_algo = RTE_CRYPTO_AUTH_##d##_HMAC;                                   \
+    digest_len = e;                                                           \
     break;
 
       foreach_cryptodev_link_async_alg
@@ -257,25 +150,175 @@ cryptodev_session_del (struct rte_cryptodev_sym_session *sess)
   rte_cryptodev_sym_session_free (sess);
 }
 
+static int
+check_cipher_support (enum rte_crypto_cipher_algorithm algo, u32 key_size)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_capability_t *vcap;
+  u32 *s;
+
+  vec_foreach (vcap, cmt->supported_caps)
+    {
+      if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
+	continue;
+      if (vcap->cipher.algo != algo)
+	continue;
+      vec_foreach (s, vcap->cipher.key_sizes)
+	if (*s == key_size)
+	  return 1;
+    }
+
+  return 0;
+}
+
+static int
+check_auth_support (enum rte_crypto_auth_algorithm algo, u32 digest_size)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_capability_t *vcap;
+  u32 *s;
+
+  vec_foreach (vcap, cmt->supported_caps)
+    {
+      if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
+	continue;
+      if (vcap->auth.algo != algo)
+	continue;
+      vec_foreach (s, vcap->auth.digest_sizes)
+	if (*s == digest_size)
+	  return 1;
+    }
+
+  return 0;
+}
+
 static_always_inline int
-cryptodev_check_supported_vnet_alg (vnet_crypto_key_t *key)
+check_aead_support (enum rte_crypto_aead_algorithm algo, u32 key_size,
+		    u32 digest_size, u32 aad_size)
 {
-  vnet_crypto_alg_t alg;
-  if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
-    return 0;
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_capability_t *vcap;
+  u32 *s;
+  u32 key_match = 0, digest_match = 0, aad_match = 0;
+
+  vec_foreach (vcap, cmt->supported_caps)
+    {
+      if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AEAD)
+	continue;
+      if (vcap->aead.algo != algo)
+	continue;
+      vec_foreach (s, vcap->aead.digest_sizes)
+	if (*s == digest_size)
+	  {
+	    digest_match = 1;
+	    break;
+	  }
+      vec_foreach (s, vcap->aead.key_sizes)
+	if (*s == key_size)
+	  {
+	    key_match = 1;
+	    break;
+	  }
+      vec_foreach (s, vcap->aead.aad_sizes)
+	if (*s == aad_size)
+	  {
+	    aad_match = 1;
+	    break;
+	  }
+    }
 
-  alg = key->alg;
+  if (key_match == 1 && digest_match == 1 && aad_match == 1)
+    return 1;
 
-#define _(a, b, c, d, e, f)	\
-  if (alg == VNET_CRYPTO_ALG_##a) \
-    return 0;
+  return 0;
+}
 
+static_always_inline int
+cryptodev_check_supported_vnet_alg (vnet_crypto_key_t *key)
+{
+  u32 matched = 0;
+
+  if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
+    {
+      switch (key->async_alg)
+	{
+#define _(a, b, c, d, e)                                                      \
+  case VNET_CRYPTO_ALG_##a##_##d##_TAG##e:                                    \
+    if (check_cipher_support (RTE_CRYPTO_CIPHER_##b, c) &&                    \
+	check_auth_support (RTE_CRYPTO_AUTH_##d##_HMAC, e))                   \
+      return 1;
+	  foreach_cryptodev_link_async_alg
+#undef _
+	    default : return 0;
+	}
+      return 0;
+    }
+
+#define _(a, b, c, d, e, f, g)                                                \
+  if (key->alg == VNET_CRYPTO_ALG_##a)                                        \
+    {                                                                         \
+      if (check_aead_support (RTE_CRYPTO_AEAD_##c, g, e, f))                  \
+	matched++;                                                            \
+    }
   foreach_vnet_aead_crypto_conversion
 #undef _
-    return -1;
+
+    if (matched < 2) return 0;
+
+  return 1;
 }
 
-static_always_inline int
+void
+cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
+			vnet_crypto_key_index_t idx, u32 aad_len)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
+  cryptodev_key_t *ckey = 0;
+  u32 i;
+
+  vec_validate (cmt->keys, idx);
+  ckey = vec_elt_at_index (cmt->keys, idx);
+
+  if (kop == VNET_CRYPTO_KEY_OP_DEL || kop == VNET_CRYPTO_KEY_OP_MODIFY)
+    {
+      if (idx >= vec_len (cmt->keys))
+	return;
+
+      vec_foreach_index (i, cmt->per_numa_data)
+	{
+	  if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT])
+	    {
+	      cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]);
+	      cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT]);
+
+	      CLIB_MEMORY_STORE_BARRIER ();
+	      ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT] = 0;
+	      ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT] = 0;
+	    }
+	}
+      return;
+    }
+
+  /* create key */
+
+  /* do not create session for unsupported alg */
+  if (cryptodev_check_supported_vnet_alg (key) == 0)
+    return;
+
+  vec_validate (ckey->keys, idx);
+  vec_foreach_index (i, ckey->keys)
+    vec_validate (ckey->keys[i], CRYPTODEV_N_OP_TYPES - 1);
+}
+
+/*static*/ void
+cryptodev_key_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
+		       vnet_crypto_key_index_t idx)
+{
+  cryptodev_sess_handler (vm, kop, idx, 8);
+}
+
+int
 cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
 			  u32 aad_len)
 {
@@ -328,13 +371,12 @@ cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
     {
       u32 dev_id = dev_inst->dev_id;
       struct rte_cryptodev *cdev = rte_cryptodev_pmd_get_dev (dev_id);
+      u32 driver_id = cdev->driver_id;
 
       /* if the session is already configured for the driver type, avoid
 	 configuring it again to increase the session data's refcnt */
-      if (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]
-	    ->sess_data[cdev->driver_id]
-	    .data &&
-	  sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[cdev->driver_id].data)
+      if (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->sess_data[driver_id].data &&
+	  sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[driver_id].data)
 	continue;
 
       ret = rte_cryptodev_sym_session_init (
@@ -365,495 +407,6 @@ clear_key:
   return ret;
 }
 
-static_always_inline void
-cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
-			vnet_crypto_key_index_t idx, u32 aad_len)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
-  cryptodev_key_t *ckey = 0;
-  u32 i;
-
-  vec_validate (cmt->keys, idx);
-  ckey = vec_elt_at_index (cmt->keys, idx);
-
-  if (kop == VNET_CRYPTO_KEY_OP_DEL || kop == VNET_CRYPTO_KEY_OP_MODIFY)
-    {
-      if (idx >= vec_len (cmt->keys))
-	return;
-
-      vec_foreach_index (i, cmt->per_numa_data)
-	{
-	  if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT])
-	    {
-	      cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]);
-	      cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT]);
-
-	      CLIB_MEMORY_STORE_BARRIER ();
-	      ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT] = 0;
-	      ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT] = 0;
-	    }
-	}
-      return;
-    }
-
-  /* create key */
-
-  /* do not create session for unsupported alg */
-  if (cryptodev_check_supported_vnet_alg (key))
-    return;
-
-  vec_validate (ckey->keys, vec_len (cmt->per_numa_data) - 1);
-  vec_foreach_index (i, ckey->keys)
-    vec_validate (ckey->keys[i], CRYPTODEV_N_OP_TYPES - 1);
-}
-
-/*static*/ void
-cryptodev_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
-		       vnet_crypto_key_index_t idx)
-{
-  cryptodev_sess_handler (vm, kop, idx, 8);
-}
-
-static_always_inline void
-cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t * f,
-				 vnet_crypto_op_status_t s)
-{
-  u32 n_elts = f->n_elts, i;
-
-  for (i = 0; i < n_elts; i++)
-    f->elts[i].status = s;
-}
-
-static_always_inline rte_iova_t
-cryptodev_get_iova (clib_pmalloc_main_t * pm, enum rte_iova_mode mode,
-		    void *data)
-{
-  u64 index;
-  if (mode == RTE_IOVA_VA)
-    return (rte_iova_t) pointer_to_uword (data);
-
-  index = clib_pmalloc_get_page_index (pm, data);
-  return pointer_to_uword (data) - pm->lookup_table[index];
-}
-
-static_always_inline void
-cryptodev_validate_mbuf_chain (vlib_main_t * vm, struct rte_mbuf *mb,
-			       vlib_buffer_t * b)
-{
-  struct rte_mbuf *first_mb = mb, *last_mb = mb; /**< last mbuf */
-  /* when input node is not dpdk, mbuf data len is not initialized, for
-   * single buffer it is not a problem since the data length is written
-   * into cryptodev operation. For chained buffer a reference data length
-   * has to be computed through vlib_buffer.
-   *
-   * even when input node is dpdk, it is possible chained vlib_buffers
-   * are updated (either added or removed a buffer) but not not mbuf fields.
-   * we have to re-link every mbuf in the chain.
-   */
-  u16 data_len = b->current_length + (b->data + b->current_data -
-				      rte_pktmbuf_mtod (mb, u8 *));
-
-  first_mb->nb_segs = 1;
-  first_mb->pkt_len = first_mb->data_len = data_len;
-
-  while (b->flags & VLIB_BUFFER_NEXT_PRESENT)
-    {
-      b = vlib_get_buffer (vm, b->next_buffer);
-      mb = rte_mbuf_from_vlib_buffer (b);
-      if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
-	rte_pktmbuf_reset (mb);
-      last_mb->next = mb;
-      last_mb = mb;
-      mb->data_len = b->current_length;
-      mb->pkt_len = b->current_length;
-      mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
-      first_mb->nb_segs++;
-      if (PREDICT_FALSE (b->ref_count > 1))
-	mb->pool =
-	  dpdk_no_cache_mempool_by_buffer_pool_index[b->buffer_pool_index];
-    }
-}
-
-static_always_inline int
-cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
-				     vnet_crypto_async_frame_t * frame,
-				     cryptodev_op_type_t op_type)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
-  cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  vnet_crypto_async_frame_elt_t *fe;
-  struct rte_cryptodev_sym_session *sess = 0;
-  cryptodev_op_t **cop;
-  u32 *bi;
-  u32 n_enqueue, n_elts;
-  u32 last_key_index = ~0;
-
-  if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0))
-    return -1;
-  n_elts = frame->n_elts;
-
-  if (PREDICT_FALSE (CRYPTODEV_NB_CRYPTO_OPS - cet->inflight < n_elts))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  if (PREDICT_FALSE (rte_mempool_get_bulk (numa->cop_pool,
-					   (void **) cet->cops, n_elts) < 0))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  cop = cet->cops;
-  fe = frame->elts;
-  bi = frame->buffer_indices;
-  cop[0]->frame = frame;
-  cop[0]->n_elts = n_elts;
-
-  while (n_elts)
-    {
-      vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
-      struct rte_crypto_sym_op *sop = &cop[0]->sop;
-      i16 crypto_offset = fe->crypto_start_offset;
-      i16 integ_offset = fe->integ_start_offset;
-      u32 offset_diff = crypto_offset - integ_offset;
-
-      if (n_elts > 2)
-	{
-	  CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE);
-	  CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE);
-	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
-	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
-	}
-      if (last_key_index != fe->key_index)
-	{
-	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-	  last_key_index = fe->key_index;
-
-	  if (key->keys[vm->numa_node][op_type] == 0)
-	    {
-	      if (PREDICT_FALSE (
-		    cryptodev_session_create (vm, last_key_index, 0) < 0))
-		{
-		  cryptodev_mark_frame_err_status (
-		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-		  return -1;
-		}
-	    }
-	  sess = key->keys[vm->numa_node][op_type];
-	}
-
-      sop->m_src = rte_mbuf_from_vlib_buffer (b);
-      sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE;
-      sop->m_dst = 0;
-      /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes,
-       * so we have to manually adjust mbuf data_off here so cryptodev can
-       * correctly compute the data pointer. The prepend here will be later
-       * rewritten by tx. */
-      if (PREDICT_TRUE (fe->integ_start_offset < 0))
-	{
-	  sop->m_src->data_off += fe->integ_start_offset;
-	  integ_offset = 0;
-	  crypto_offset = offset_diff;
-	}
-      sop->session = sess;
-      sop->cipher.data.offset = crypto_offset;
-      sop->cipher.data.length = fe->crypto_total_length;
-      sop->auth.data.offset = integ_offset;
-      sop->auth.data.length = fe->crypto_total_length + fe->integ_length_adj;
-      sop->auth.digest.data = fe->digest;
-      sop->auth.digest.phys_addr = cryptodev_get_iova (pm, cmt->iova_mode,
-						       fe->digest);
-      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
-	cryptodev_validate_mbuf_chain (vm, sop->m_src, b);
-      else
-	/* for input nodes that are not dpdk-input, it is possible the mbuf
-	 * was updated before as one of the chained mbufs. Setting nb_segs
-	 * to 1 here to prevent the cryptodev PMD to access potentially
-	 * invalid m_src->next pointers.
-	 */
-	sop->m_src->nb_segs = 1;
-      clib_memcpy_fast (cop[0]->iv, fe->iv, 16);
-      cop++;
-      bi++;
-      fe++;
-      n_elts--;
-    }
-
-  n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id,
-					   cet->cryptodev_q,
-					   (struct rte_crypto_op **)
-					   cet->cops, frame->n_elts);
-  ASSERT (n_enqueue == frame->n_elts);
-  cet->inflight += n_enqueue;
-
-  return 0;
-}
-
-static_always_inline int
-cryptodev_frame_gcm_enqueue (vlib_main_t * vm,
-			     vnet_crypto_async_frame_t * frame,
-			     cryptodev_op_type_t op_type, u8 aad_len)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
-  cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  vnet_crypto_async_frame_elt_t *fe;
-  struct rte_cryptodev_sym_session *sess = 0;
-  cryptodev_op_t **cop;
-  u32 *bi;
-  u32 n_enqueue = 0, n_elts;
-  u32 last_key_index = ~0;
-
-  if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0))
-    return -1;
-  n_elts = frame->n_elts;
-
-  if (PREDICT_FALSE (CRYPTODEV_NB_CRYPTO_OPS - cet->inflight < n_elts))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  if (PREDICT_FALSE (rte_mempool_get_bulk (numa->cop_pool,
-					   (void **) cet->cops, n_elts) < 0))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  cop = cet->cops;
-  fe = frame->elts;
-  bi = frame->buffer_indices;
-  cop[0]->frame = frame;
-  cop[0]->n_elts = n_elts;
-
-  while (n_elts)
-    {
-      vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
-      struct rte_crypto_sym_op *sop = &cop[0]->sop;
-      u16 crypto_offset = fe->crypto_start_offset;
-
-      if (n_elts > 2)
-	{
-	  CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE);
-	  CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE);
-	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
-	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
-	}
-      if (last_key_index != fe->key_index)
-	{
-	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-
-	  last_key_index = fe->key_index;
-	  if (key->keys[vm->numa_node][op_type] == 0)
-	    {
-	      if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index,
-							   aad_len) < 0))
-		{
-		  cryptodev_mark_frame_err_status (
-		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-		  return -1;
-		}
-	    }
-	  else if (PREDICT_FALSE (
-		     key->keys[vm->numa_node][op_type]->opaque_data !=
-		     aad_len))
-	    {
-	      cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
-				      fe->key_index, aad_len);
-	      if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index,
-							   aad_len) < 0))
-		{
-		  cryptodev_mark_frame_err_status (
-		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-		  return -1;
-		}
-	    }
-
-	  sess = key->keys[vm->numa_node][op_type];
-	}
-
-      sop->m_src = rte_mbuf_from_vlib_buffer (b);
-      sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE;
-      sop->m_dst = 0;
-      /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes,
-       * so we have to manually adjust mbuf data_off here so cryptodev can
-       * correctly compute the data pointer. The prepend here will be later
-       * rewritten by tx. */
-      if (PREDICT_FALSE (fe->crypto_start_offset < 0))
-	{
-	  rte_pktmbuf_prepend (sop->m_src, -fe->crypto_start_offset);
-	  crypto_offset = 0;
-	}
-
-      sop->session = sess;
-      sop->aead.aad.data = cop[0]->aad;
-      sop->aead.aad.phys_addr = cop[0]->op.phys_addr + CRYPTODEV_AAD_OFFSET;
-      sop->aead.data.length = fe->crypto_total_length;
-      sop->aead.data.offset = crypto_offset;
-      sop->aead.digest.data = fe->tag;
-      sop->aead.digest.phys_addr = cryptodev_get_iova (pm, cmt->iova_mode,
-						       fe->tag);
-      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
-	cryptodev_validate_mbuf_chain (vm, sop->m_src, b);
-      else
-	/* for input nodes that are not dpdk-input, it is possible the mbuf
-	 * was updated before as one of the chained mbufs. Setting nb_segs
-	 * to 1 here to prevent the cryptodev PMD to access potentially
-	 * invalid m_src->next pointers.
-	 */
-	sop->m_src->nb_segs = 1;
-      clib_memcpy_fast (cop[0]->iv, fe->iv, 12);
-      clib_memcpy_fast (cop[0]->aad, fe->aad, aad_len);
-      cop++;
-      bi++;
-      fe++;
-      n_elts--;
-    }
-
-  n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id,
-					   cet->cryptodev_q,
-					   (struct rte_crypto_op **)
-					   cet->cops, frame->n_elts);
-  ASSERT (n_enqueue == frame->n_elts);
-  cet->inflight += n_enqueue;
-
-  return 0;
-}
-
-static_always_inline cryptodev_op_t *
-cryptodev_get_ring_head (struct rte_ring * ring)
-{
-  cryptodev_op_t **r = (void *) &ring[1];
-  return r[ring->cons.head & ring->mask];
-}
-
-static_always_inline vnet_crypto_async_frame_t *
-cryptodev_frame_dequeue (vlib_main_t * vm, u32 * nb_elts_processed,
-			 u32 * enqueue_thread_idx)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  cryptodev_op_t *cop0, **cop = cet->cops;
-  vnet_crypto_async_frame_elt_t *fe;
-  vnet_crypto_async_frame_t *frame;
-  u32 n_elts, n_completed_ops = rte_ring_count (cet->ring);
-  u32 ss0 = 0, ss1 = 0, ss2 = 0, ss3 = 0;	/* sum of status */
-
-  if (cet->inflight)
-    {
-      n_elts = clib_min (CRYPTODEV_NB_CRYPTO_OPS - n_completed_ops,
-			 VNET_CRYPTO_FRAME_SIZE);
-      n_elts = rte_cryptodev_dequeue_burst
-	(cet->cryptodev_id, cet->cryptodev_q,
-	 (struct rte_crypto_op **) cet->cops, n_elts);
-      cet->inflight -= n_elts;
-      n_completed_ops += n_elts;
-
-      rte_ring_sp_enqueue_burst (cet->ring, (void *) cet->cops, n_elts, NULL);
-    }
-
-  if (PREDICT_FALSE (n_completed_ops == 0))
-    return 0;
-
-  cop0 = cryptodev_get_ring_head (cet->ring);
-  /* not a single frame is finished */
-  if (PREDICT_FALSE (cop0->n_elts > rte_ring_count (cet->ring)))
-    return 0;
-
-  frame = cop0->frame;
-  n_elts = cop0->n_elts;
-  n_elts = rte_ring_sc_dequeue_bulk (cet->ring, (void **) cet->cops,
-				     n_elts, 0);
-  fe = frame->elts;
-
-  while (n_elts > 4)
-    {
-      ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status];
-      ss1 |= fe[1].status = cryptodev_status_conversion[cop[1]->op.status];
-      ss2 |= fe[2].status = cryptodev_status_conversion[cop[2]->op.status];
-      ss3 |= fe[3].status = cryptodev_status_conversion[cop[3]->op.status];
-
-      cop += 4;
-      fe += 4;
-      n_elts -= 4;
-    }
-
-  while (n_elts)
-    {
-      ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status];
-      fe++;
-      cop++;
-      n_elts--;
-    }
-
-  frame->state = (ss0 | ss1 | ss2 | ss3) == VNET_CRYPTO_OP_STATUS_COMPLETED ?
-    VNET_CRYPTO_FRAME_STATE_SUCCESS : VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
-
-  rte_mempool_put_bulk (numa->cop_pool, (void **) cet->cops, frame->n_elts);
-  *nb_elts_processed = frame->n_elts;
-  *enqueue_thread_idx = frame->enqueue_thread_index;
-  return frame;
-}
-
-/* *INDENT-OFF* */
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_enc (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_ENCRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_enc (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_ENCRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_dec (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_DECRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_dec (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_DECRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_enc (vlib_main_t * vm,
-				  vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_linked_algs_enqueue (vm, frame,
-					      CRYPTODEV_OP_TYPE_ENCRYPT);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_dec (vlib_main_t * vm,
-				  vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_linked_algs_enqueue (vm, frame,
-					      CRYPTODEV_OP_TYPE_DECRYPT);
-}
-
 typedef enum
 {
   CRYPTODEV_RESOURCE_ASSIGN_AUTO = 0,
@@ -900,6 +453,7 @@ cryptodev_assign_resource (cryptodev_engine_thread_t * cet,
       if (clib_bitmap_get (cmt->active_cdev_inst_mask, cryptodev_inst_index)
 	  == 1)
 	return -EBUSY;
+
       vec_foreach_index (idx, cmt->cryptodev_inst)
       {
 	cinst = cmt->cryptodev_inst + idx;
@@ -975,6 +529,10 @@ cryptodev_show_assignment_fn (vlib_main_t * vm, unformat_input_t * input,
   vec_foreach_index (inst, cmt->cryptodev_inst)
     vlib_cli_output (vm, "%-5u%U", inst, format_cryptodev_inst, inst);
 
+  if (cmt->is_raw_api)
+    vlib_cli_output (vm, "Cryptodev Data Path API used: RAW Data Path API");
+  else
+    vlib_cli_output (vm, "Cryptodev Data Path API used: crypto operation API");
   return 0;
 }
 
@@ -1039,8 +597,8 @@ cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input,
 				   CRYPTODEV_RESOURCE_ASSIGN_UPDATE);
   if (ret)
     {
-      error = clib_error_return (0, "cryptodev_assign_resource returned %i",
-				 ret);
+      error =
+	clib_error_return (0, "cryptodev_assign_resource returned %d", ret);
       return error;
     }
 
@@ -1054,48 +612,6 @@ VLIB_CLI_COMMAND (set_cryptodev_assignment, static) = {
     .function = cryptodev_set_assignment_fn,
 };
 
-static int
-check_cryptodev_alg_support (u32 dev_id)
-{
-  const struct rte_cryptodev_symmetric_capability *cap;
-  struct rte_cryptodev_sym_capability_idx cap_idx;
-
-#define _(a, b, c, d, e, f) \
-  cap_idx.type = RTE_CRYPTO_SYM_XFORM_##b; \
-  cap_idx.algo.aead = RTE_CRYPTO_##b##_##c; \
-  cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \
-  if (!cap) \
-    return -RTE_CRYPTO_##b##_##c; \
-  else \
-    { \
-      if (cap->aead.digest_size.min > e || cap->aead.digest_size.max < e) \
-	return -RTE_CRYPTO_##b##_##c; \
-      if (cap->aead.aad_size.min > f || cap->aead.aad_size.max < f) \
-	return -RTE_CRYPTO_##b##_##c; \
-      if (cap->aead.iv_size.min > d || cap->aead.iv_size.max < d) \
-	return -RTE_CRYPTO_##b##_##c; \
-    }
-
-  foreach_vnet_aead_crypto_conversion
-#undef _
-
-#define _(a, b, c, d) \
-  cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER; \
-  cap_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b; \
-  cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \
-  if (!cap) \
-    return -RTE_CRYPTO_CIPHER_##b; \
-  cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH; \
-  cap_idx.algo.auth = RTE_CRYPTO_AUTH_##c##_HMAC; \
-  cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \
-  if (!cap) \
-    return -RTE_CRYPTO_AUTH_##c;
-
-  foreach_cryptodev_link_async_alg
-#undef _
-    return 0;
-}
-
 static u32
 cryptodev_count_queue (u32 numa)
 {
@@ -1106,10 +622,6 @@ cryptodev_count_queue (u32 numa)
   for (i = 0; i < n_cryptodev; i++)
     {
       rte_cryptodev_info_get (i, &info);
-
-      /* only device support symmetric crypto is used */
-      if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO))
-	continue;
       q_count += info.max_nb_queue_pairs;
     }
 
@@ -1117,59 +629,49 @@ cryptodev_count_queue (u32 numa)
 }
 
 static int
-cryptodev_configure (vlib_main_t *vm, uint32_t cryptodev_id)
+cryptodev_configure (vlib_main_t *vm, u32 cryptodev_id)
 {
+  struct rte_cryptodev_config cfg;
   struct rte_cryptodev_info info;
-  struct rte_cryptodev *cdev;
   cryptodev_main_t *cmt = &cryptodev_main;
   u32 i;
   int ret;
 
   rte_cryptodev_info_get (cryptodev_id, &info);
 
-  /* do not configure the device that does not support symmetric crypto */
   if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO))
-    return 0;
+    return -1;
 
-  ret = check_cryptodev_alg_support (cryptodev_id);
-  if (ret != 0)
-    return ret;
+  cfg.socket_id = info.device->numa_node;
+  cfg.nb_queue_pairs = info.max_nb_queue_pairs;
 
-  cdev = rte_cryptodev_pmd_get_dev (cryptodev_id);
-  /** If the device is already started, we reuse it, otherwise configure
-   *  both the device and queue pair.
-   **/
-  if (!cdev->data->dev_started)
-    {
-      struct rte_cryptodev_config cfg;
+  rte_cryptodev_configure (cryptodev_id, &cfg);
 
-      cfg.socket_id = info.device->numa_node;
-      cfg.nb_queue_pairs = info.max_nb_queue_pairs;
+  for (i = 0; i < info.max_nb_queue_pairs; i++)
+    {
+      struct rte_cryptodev_qp_conf qp_cfg;
 
-      rte_cryptodev_configure (cryptodev_id, &cfg);
+      qp_cfg.mp_session = 0;
+      qp_cfg.mp_session_private = 0;
+      qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS;
 
-      for (i = 0; i < info.max_nb_queue_pairs; i++)
+      ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg,
+					    info.device->numa_node);
+      if (ret)
 	{
-	  struct rte_cryptodev_qp_conf qp_cfg;
-
-	  int ret;
-
-	  qp_cfg.mp_session = 0;
-	  qp_cfg.mp_session_private = 0;
-	  qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS;
-
-	  ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg,
-						info.device->numa_node);
-	  if (ret)
-	    break;
+	  clib_warning ("Cryptodev: Configure device %u queue %u failed %d",
+			cryptodev_id, i, ret);
+	  break;
 	}
-      if (i != info.max_nb_queue_pairs)
-	return -1;
-      /* start the device */
-      rte_cryptodev_start (i);
     }
 
-  for (i = 0; i < cdev->data->nb_queue_pairs; i++)
+  if (i != info.max_nb_queue_pairs)
+    return -1;
+
+  /* start the device */
+  rte_cryptodev_start (cryptodev_id);
+
+  for (i = 0; i < info.max_nb_queue_pairs; i++)
     {
       cryptodev_inst_t *cdev_inst;
       vec_add2(cmt->cryptodev_inst, cdev_inst, 1);
@@ -1198,109 +700,378 @@ cryptodev_cmp (void *v1, void *v2)
 }
 
 static int
-cryptodev_probe (vlib_main_t *vm, u32 n_workers)
+cryptodev_supports_param_value (u32 *params, u32 param_value)
+{
+  u32 *value;
+  vec_foreach (value, params)
+    {
+      if (*value == param_value)
+	return 1;
+    }
+  return 0;
+}
+
+int
+cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
+			     u32 key_size, u32 digest_size, u32 aad_size)
 {
   cryptodev_main_t *cmt = &cryptodev_main;
-  u32 n_queues = cryptodev_count_queue (vm->numa_node);
-  u32 i;
-  int ret;
+  cryptodev_capability_t *cap;
+  vec_foreach (cap, cmt->supported_caps)
+    {
 
-  /* If there is not enough queues, exit */
-  if (n_queues < n_workers)
-      return -1;
+      if (cap->xform_type != idx->type)
+	continue;
 
-  for (i = 0; i < rte_cryptodev_count (); i++)
+      if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+	  cap->auth.algo == idx->algo.auth &&
+	  cryptodev_supports_param_value (cap->auth.digest_sizes, digest_size))
+	return 1;
+
+      if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+	  cap->cipher.algo == idx->algo.cipher &&
+	  cryptodev_supports_param_value (cap->cipher.key_sizes, key_size))
+	return 1;
+
+      if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
+	  cap->aead.algo == idx->algo.aead &&
+	  cryptodev_supports_param_value (cap->aead.key_sizes, key_size) &&
+	  cryptodev_supports_param_value (cap->aead.digest_sizes,
+					  digest_size) &&
+	  cryptodev_supports_param_value (cap->aead.aad_sizes, aad_size))
+	return 1;
+    }
+  return 0;
+}
+
+static void
+remove_unsupported_param_size (u32 **param_sizes, u32 param_size_min,
+			       u32 param_size_max, u32 increment)
+{
+  u32 i = 0;
+  u32 cap_param_size;
+
+  while (i < vec_len (*param_sizes))
     {
-      ret = cryptodev_configure (vm, i);
-      if (ret)
-	return ret;
+      u32 found_param = 0;
+      for (cap_param_size = param_size_min; cap_param_size <= param_size_max;
+	   cap_param_size += increment)
+	{
+	  if ((*param_sizes)[i] == cap_param_size)
+	    {
+	      found_param = 1;
+	      break;
+	    }
+	  if (increment == 0)
+	    break;
+	}
+      if (!found_param)
+	/* no such param_size in cap so delete  this size in temp_cap params */
+	vec_delete (*param_sizes, 1, i);
+      else
+	i++;
     }
+}
 
-  vec_sort_with_function(cmt->cryptodev_inst, cryptodev_cmp);
+static void
+cryptodev_delete_cap (cryptodev_capability_t **temp_caps, u32 temp_cap_id)
+{
+  cryptodev_capability_t temp_cap = (*temp_caps)[temp_cap_id];
 
-  return 0;
+  switch (temp_cap.xform_type)
+    {
+    case RTE_CRYPTO_SYM_XFORM_AUTH:
+      vec_free (temp_cap.auth.digest_sizes);
+      break;
+    case RTE_CRYPTO_SYM_XFORM_CIPHER:
+      vec_free (temp_cap.cipher.key_sizes);
+      break;
+    case RTE_CRYPTO_SYM_XFORM_AEAD:
+      vec_free (temp_cap.aead.key_sizes);
+      vec_free (temp_cap.aead.aad_sizes);
+      vec_free (temp_cap.aead.digest_sizes);
+      break;
+    default:
+      break;
+    }
+  vec_delete (*temp_caps, 1, temp_cap_id);
+}
+
+static u32
+cryptodev_remove_unsupported_param_sizes (
+  cryptodev_capability_t *temp_cap,
+  const struct rte_cryptodev_capabilities *dev_caps)
+{
+  u32 cap_found = 0;
+  const struct rte_cryptodev_capabilities *cap = &dev_caps[0];
+
+  while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
+    {
+      if (cap->sym.xform_type == temp_cap->xform_type)
+	switch (cap->sym.xform_type)
+	  {
+	  case RTE_CRYPTO_SYM_XFORM_CIPHER:
+	    if (cap->sym.cipher.algo == temp_cap->cipher.algo)
+	      {
+		remove_unsupported_param_size (
+		  &temp_cap->cipher.key_sizes, cap->sym.cipher.key_size.min,
+		  cap->sym.cipher.key_size.max,
+		  cap->sym.cipher.key_size.increment);
+		if (vec_len (temp_cap->cipher.key_sizes) > 0)
+		  cap_found = 1;
+	      }
+	    break;
+	  case RTE_CRYPTO_SYM_XFORM_AUTH:
+	    if (cap->sym.auth.algo == temp_cap->auth.algo)
+	      {
+		remove_unsupported_param_size (
+		  &temp_cap->auth.digest_sizes, cap->sym.auth.digest_size.min,
+		  cap->sym.auth.digest_size.max,
+		  cap->sym.auth.digest_size.increment);
+		if (vec_len (temp_cap->auth.digest_sizes) > 0)
+		  cap_found = 1;
+	      }
+	    break;
+	  case RTE_CRYPTO_SYM_XFORM_AEAD:
+	    if (cap->sym.aead.algo == temp_cap->aead.algo)
+	      {
+		remove_unsupported_param_size (
+		  &temp_cap->aead.key_sizes, cap->sym.aead.key_size.min,
+		  cap->sym.aead.key_size.max,
+		  cap->sym.aead.key_size.increment);
+		remove_unsupported_param_size (
+		  &temp_cap->aead.aad_sizes, cap->sym.aead.aad_size.min,
+		  cap->sym.aead.aad_size.max,
+		  cap->sym.aead.aad_size.increment);
+		remove_unsupported_param_size (
+		  &temp_cap->aead.digest_sizes, cap->sym.aead.digest_size.min,
+		  cap->sym.aead.digest_size.max,
+		  cap->sym.aead.digest_size.increment);
+		if (vec_len (temp_cap->aead.key_sizes) > 0 &&
+		    vec_len (temp_cap->aead.aad_sizes) > 0 &&
+		    vec_len (temp_cap->aead.digest_sizes) > 0)
+		  cap_found = 1;
+	      }
+	    break;
+	  default:
+	    break;
+	  }
+      if (cap_found)
+	break;
+      cap++;
+    }
+
+  return cap_found;
+}
+
+static void
+cryptodev_get_common_capabilities ()
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_inst_t *dev_inst;
+  struct rte_cryptodev_info dev_info;
+  u32 previous_dev_id, dev_id;
+  u32 cap_id = 0;
+  u32 param;
+  cryptodev_capability_t tmp_cap;
+  const struct rte_cryptodev_capabilities *cap;
+  const struct rte_cryptodev_capabilities *dev_caps;
+
+  if (vec_len (cmt->cryptodev_inst) == 0)
+    return;
+  dev_inst = vec_elt_at_index (cmt->cryptodev_inst, 0);
+  rte_cryptodev_info_get (dev_inst->dev_id, &dev_info);
+  cap = &dev_info.capabilities[0];
+
+  /*init capabilities vector*/
+  while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
+    {
+      if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
+	{
+	  cap++;
+	  continue;
+	}
+
+      tmp_cap.xform_type = cap->sym.xform_type;
+      switch (cap->sym.xform_type)
+	{
+	case RTE_CRYPTO_SYM_XFORM_CIPHER:
+	  tmp_cap.cipher.key_sizes = 0;
+	  tmp_cap.cipher.algo = cap->sym.cipher.algo;
+	  for (param = cap->sym.cipher.key_size.min;
+	       param <= cap->sym.cipher.key_size.max;
+	       param += cap->sym.cipher.key_size.increment)
+	    {
+	      vec_add1 (tmp_cap.cipher.key_sizes, param);
+	      if (cap->sym.cipher.key_size.increment == 0)
+		break;
+	    }
+	  break;
+	case RTE_CRYPTO_SYM_XFORM_AUTH:
+	  tmp_cap.auth.algo = cap->sym.auth.algo;
+	  tmp_cap.auth.digest_sizes = 0;
+	  for (param = cap->sym.auth.digest_size.min;
+	       param <= cap->sym.auth.digest_size.max;
+	       param += cap->sym.auth.digest_size.increment)
+	    {
+	      vec_add1 (tmp_cap.auth.digest_sizes, param);
+	      if (cap->sym.auth.digest_size.increment == 0)
+		break;
+	    }
+	  break;
+	case RTE_CRYPTO_SYM_XFORM_AEAD:
+	  tmp_cap.aead.key_sizes = 0;
+	  tmp_cap.aead.aad_sizes = 0;
+	  tmp_cap.aead.digest_sizes = 0;
+	  tmp_cap.aead.algo = cap->sym.aead.algo;
+	  for (param = cap->sym.aead.key_size.min;
+	       param <= cap->sym.aead.key_size.max;
+	       param += cap->sym.aead.key_size.increment)
+	    {
+	      vec_add1 (tmp_cap.aead.key_sizes, param);
+	      if (cap->sym.aead.key_size.increment == 0)
+		break;
+	    }
+	  for (param = cap->sym.aead.aad_size.min;
+	       param <= cap->sym.aead.aad_size.max;
+	       param += cap->sym.aead.aad_size.increment)
+	    {
+	      vec_add1 (tmp_cap.aead.aad_sizes, param);
+	      if (cap->sym.aead.aad_size.increment == 0)
+		break;
+	    }
+	  for (param = cap->sym.aead.digest_size.min;
+	       param <= cap->sym.aead.digest_size.max;
+	       param += cap->sym.aead.digest_size.increment)
+	    {
+	      vec_add1 (tmp_cap.aead.digest_sizes, param);
+	      if (cap->sym.aead.digest_size.increment == 0)
+		break;
+	    }
+	  break;
+	default:
+	  break;
+	}
+
+      vec_add1 (cmt->supported_caps, tmp_cap);
+      cap++;
+    }
+
+  while (cap_id < vec_len (cmt->supported_caps))
+    {
+      u32 cap_is_supported = 1;
+      previous_dev_id = cmt->cryptodev_inst->dev_id;
+
+      vec_foreach (dev_inst, cmt->cryptodev_inst)
+	{
+	  dev_id = dev_inst->dev_id;
+	  if (previous_dev_id != dev_id)
+	    {
+	      previous_dev_id = dev_id;
+	      rte_cryptodev_info_get (dev_id, &dev_info);
+	      dev_caps = &dev_info.capabilities[0];
+	      cap_is_supported = cryptodev_remove_unsupported_param_sizes (
+		&cmt->supported_caps[cap_id], dev_caps);
+	      if (!cap_is_supported)
+		{
+		  cryptodev_delete_cap (&cmt->supported_caps, cap_id);
+		  /*no need to check other devices as this one doesn't support
+		   * this temp_cap*/
+		  break;
+		}
+	    }
+	}
+      if (cap_is_supported)
+	cap_id++;
+    }
 }
 
 static int
-cryptodev_get_session_sz (vlib_main_t *vm, uint32_t n_workers)
+cryptodev_probe (vlib_main_t *vm, u32 n_workers)
 {
-  u32 sess_data_sz = 0, i;
+  cryptodev_main_t *cmt = &cryptodev_main;
+  u32 n_queues = cryptodev_count_queue (vm->numa_node);
+  u32 i;
 
-  if (rte_cryptodev_count () == 0)
+  if (n_queues < n_workers)
     return -1;
 
   for (i = 0; i < rte_cryptodev_count (); i++)
-    {
-      u32 dev_sess_sz = rte_cryptodev_sym_get_private_session_size (i);
+    cryptodev_configure (vm, i);
 
-      sess_data_sz = dev_sess_sz > sess_data_sz ? dev_sess_sz : sess_data_sz;
-    }
+  if (vec_len (cmt->cryptodev_inst) == 0)
+    return -1;
+  cryptodev_get_common_capabilities ();
+  vec_sort_with_function (cmt->cryptodev_inst, cryptodev_cmp);
+
+  /* if there is not enough device stop cryptodev */
+  if (vec_len (cmt->cryptodev_inst) < n_workers)
+    return -1;
 
-  return sess_data_sz;
+  return 0;
 }
 
 static void
-dpdk_disable_cryptodev_engine (vlib_main_t * vm)
+cryptodev_get_max_sz (u32 *max_sess_sz, u32 *max_dp_sz)
 {
   cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_numa_data_t *numa_data;
+  cryptodev_inst_t *cinst;
+  u32 max_sess = 0, max_dp = 0;
 
-  vec_validate (cmt->per_numa_data, vm->numa_node);
-  numa_data = vec_elt_at_index (cmt->per_numa_data, vm->numa_node);
-
-  if (numa_data->sess_pool)
-    rte_mempool_free (numa_data->sess_pool);
-  if (numa_data->sess_priv_pool)
-    rte_mempool_free (numa_data->sess_priv_pool);
-  if (numa_data->cop_pool)
-    rte_mempool_free (numa_data->cop_pool);
+  vec_foreach (cinst, cmt->cryptodev_inst)
+    {
+      u32 sess_sz = rte_cryptodev_sym_get_private_session_size (cinst->dev_id);
+      u32 dp_sz = rte_cryptodev_get_raw_dp_ctx_size (cinst->dev_id);
+
+      max_sess = clib_max (sess_sz, max_sess);
+      max_dp = clib_max (dp_sz, max_dp);
+    }
+
+  *max_sess_sz = max_sess;
+  *max_dp_sz = max_dp;
 }
 
 static void
-crypto_op_init (struct rte_mempool *mempool,
-		void *_arg __attribute__ ((unused)),
-		void *_obj, unsigned i __attribute__ ((unused)))
+dpdk_disable_cryptodev_engine (vlib_main_t *vm)
 {
-  struct rte_crypto_op *op = _obj;
+  vlib_thread_main_t *tm = vlib_get_thread_main ();
+  cryptodev_main_t *cmt = &cryptodev_main;
+  u32 i;
 
-  op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
-  op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
-  op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
-  op->phys_addr = rte_mempool_virt2iova (_obj);
-  op->mempool = mempool;
-}
+  for (i = (vlib_num_workers () > 0); i < tm->n_vlib_mains; i++)
+    {
+      u32 numa = vlib_get_main_by_index (i)->numa_node;
+      cryptodev_numa_data_t *numa_data;
 
+      vec_validate (cmt->per_numa_data, numa);
+      numa_data = cmt->per_numa_data + numa;
+      if (numa_data->sess_pool)
+	rte_mempool_free (numa_data->sess_pool);
+      if (numa_data->sess_priv_pool)
+	rte_mempool_free (numa_data->sess_priv_pool);
+    }
+}
 
 clib_error_t *
 dpdk_cryptodev_init (vlib_main_t * vm)
 {
   cryptodev_main_t *cmt = &cryptodev_main;
   vlib_thread_main_t *tm = vlib_get_thread_main ();
-  cryptodev_engine_thread_t *ptd;
+  cryptodev_engine_thread_t *cet;
   cryptodev_numa_data_t *numa_data;
   struct rte_mempool *mp;
   u32 skip_master = vlib_num_workers () > 0;
   u32 n_workers = tm->n_vlib_mains - skip_master;
   u32 numa = vm->numa_node;
-  i32 sess_sz;
-  u64 n_cop_elts;
+  u32 sess_sz, dp_sz;
   u32 eidx;
   u32 i;
   u8 *name = 0;
   clib_error_t *error;
-  struct rte_crypto_op_pool_private *priv;
 
   cmt->iova_mode = rte_eal_iova_mode ();
 
-  sess_sz = cryptodev_get_session_sz(vm, n_workers);
-  if (sess_sz < 0)
-    {
-      error = clib_error_return (0, "Not enough cryptodevs");
-      return error;
-    }
-
-  /* A total of 4 times n_worker threads * frame size as crypto ops */
-  n_cop_elts = max_pow2 ((u64)n_workers * CRYPTODEV_NB_CRYPTO_OPS);
+  vec_validate (cmt->per_numa_data, vm->numa_node);
 
   /* probe all cryptodev devices and get queue info */
   if (cryptodev_probe (vm, n_workers) < 0)
@@ -1309,6 +1080,8 @@ dpdk_cryptodev_init (vlib_main_t * vm)
       goto err_handling;
     }
 
+  cryptodev_get_max_sz (&sess_sz, &dp_sz);
+
   clib_bitmap_vec_validate (cmt->active_cdev_inst_mask, tm->n_vlib_mains);
   clib_spinlock_init (&cmt->tlock);
 
@@ -1316,109 +1089,62 @@ dpdk_cryptodev_init (vlib_main_t * vm)
 		       CLIB_CACHE_LINE_BYTES);
   for (i = skip_master; i < tm->n_vlib_mains; i++)
     {
-      ptd = cmt->per_thread_data + i;
-
-      cryptodev_assign_resource (ptd, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO);
-      name = format (0, "frames_ring_%u%c", i, 0);
-      ptd->ring = rte_ring_create((char *) name, CRYPTODEV_NB_CRYPTO_OPS,
-                                  vm->numa_node, RING_F_SP_ENQ|RING_F_SC_DEQ);
-      if (!ptd->ring)
-	{
-	  error = clib_error_return (0, "Not enough memory for mp %s", name);
-	  vec_free (name);
-	  goto err_handling;
-	}
-      vec_validate (ptd->cops, VNET_CRYPTO_FRAME_SIZE - 1);
-      vec_free(name);
-
-      numa = vlib_mains[i]->numa_node;
+      cet = cmt->per_thread_data + i;
+      numa = vlib_get_main_by_index (i)->numa_node;
 
       vec_validate (cmt->per_numa_data, numa);
       numa_data = vec_elt_at_index (cmt->per_numa_data, numa);
 
-      if (numa_data->sess_pool)
-	continue;
-
-      /* create session pool for the numa node */
-      name = format (0, "vcryptodev_sess_pool_%u%c", numa, 0);
-      mp = rte_cryptodev_sym_session_pool_create (
-	(char *) name, CRYPTODEV_NB_SESSION, 0, 0, 0, numa);
-      if (!mp)
+      if (!numa_data->sess_pool)
 	{
-	  error = clib_error_return (0, "Not enough memory for mp %s", name);
-	  goto err_handling;
-	}
-      vec_free (name);
-
-      numa_data->sess_pool = mp;
-
-      /* create session private pool for the numa node */
-      name = format (0, "cryptodev_sess_pool_%u%c", numa, 0);
-      mp = rte_mempool_create ((char *) name, CRYPTODEV_NB_SESSION, sess_sz, 0,
-			       0, NULL, NULL, NULL, NULL, numa, 0);
-      if (!mp)
-	{
-	  error = clib_error_return (0, "Not enough memory for mp %s", name);
+	  /* create session pool for the numa node */
+	  name = format (0, "vcryptodev_sess_pool_%u%c", numa, 0);
+	  mp = rte_cryptodev_sym_session_pool_create (
+	    (char *) name, CRYPTODEV_NB_SESSION, 0, 0, 0, numa);
+	  if (!mp)
+	    {
+	      error =
+		clib_error_return (0, "Not enough memory for mp %s", name);
+	      goto err_handling;
+	    }
 	  vec_free (name);
-	  goto err_handling;
-	}
-
-      vec_free (name);
 
-      numa_data->sess_priv_pool = mp;
+	  numa_data->sess_pool = mp;
 
-      /* create cryptodev op pool */
-      name = format (0, "cryptodev_op_pool_%u%c", numa, 0);
+	  /* create session private pool for the numa node */
+	  name = format (0, "cryptodev_sess_pool_%u%c", numa, 0);
+	  mp =
+	    rte_mempool_create ((char *) name, CRYPTODEV_NB_SESSION, sess_sz,
+				0, 0, NULL, NULL, NULL, NULL, numa, 0);
+	  if (!mp)
+	    {
+	      error =
+		clib_error_return (0, "Not enough memory for mp %s", name);
+	      vec_free (name);
+	      goto err_handling;
+	    }
 
-      mp = rte_mempool_create ((char *) name, n_cop_elts,
-			       sizeof (cryptodev_op_t), VLIB_FRAME_SIZE * 2,
-			       sizeof (struct rte_crypto_op_pool_private),
-			       NULL, NULL, crypto_op_init, NULL, numa, 0);
-      if (!mp)
-	{
-	  error = clib_error_return (0, "Not enough memory for mp %s", name);
 	  vec_free (name);
-	  goto err_handling;
+
+	  numa_data->sess_priv_pool = mp;
 	}
 
-      priv = rte_mempool_get_priv (mp);
-      priv->priv_size = sizeof (struct rte_crypto_op_pool_private);
-      priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
-      vec_free (name);
-      numa_data->cop_pool = mp;
+      cryptodev_assign_resource (cet, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO);
     }
 
   /* register handler */
   eidx = vnet_crypto_register_engine (vm, "dpdk_cryptodev", 100,
 				      "DPDK Cryptodev Engine");
 
-#define _(a, b, c, d, e, f) \
-  vnet_crypto_register_async_handler \
-    (vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC, \
-	cryptodev_enqueue_gcm_aad_##f##_enc,\
-	cryptodev_frame_dequeue); \
-  vnet_crypto_register_async_handler \
-    (vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC, \
-	cryptodev_enqueue_gcm_aad_##f##_dec, \
-	cryptodev_frame_dequeue);
-
-  foreach_vnet_aead_crypto_conversion
-#undef _
+  vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler);
 
-#define _(a, b, c, d) \
-  vnet_crypto_register_async_handler \
-    (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_ENC, \
-	cryptodev_enqueue_linked_alg_enc, \
-	cryptodev_frame_dequeue); \
-  vnet_crypto_register_async_handler \
-    (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_DEC, \
-	cryptodev_enqueue_linked_alg_dec, \
-	cryptodev_frame_dequeue);
-
-    foreach_cryptodev_link_async_alg
-#undef _
+  if (cryptodev_register_raw_hdl)
+    error = cryptodev_register_raw_hdl (vm, eidx);
+  else
+    error = cryptodev_register_cop_hdl (vm, eidx);
 
-  vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler);
+  if (error)
+    goto err_handling;
 
   /* this engine is only enabled when cryptodev device(s) are presented in
    * startup.conf. Assume it is wanted to be used, turn on async mode here.
@@ -1433,12 +1159,3 @@ err_handling:
 
   return error;
 }
-/* *INDENT-On* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.h b/src/plugins/dpdk/cryptodev/cryptodev.h
index 1f96aed1848..4c85e85a172 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.h
+++ b/src/plugins/dpdk/cryptodev/cryptodev.h
@@ -1,6 +1,6 @@
 /*
  *------------------------------------------------------------------
- * Copyright (c) 2019 Intel and/or its affiliates.
+ * Copyright (c) 2019 - 2021 Intel and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
@@ -18,6 +18,184 @@
 #define included_cryptodev_h
 
 #include <vnet/crypto/crypto.h>
+#undef always_inline
+#include <rte_cryptodev.h>
+
+#define CRYPTODEV_NB_CRYPTO_OPS	   1024
+#define CRYPTODEV_CACHE_QUEUE_SIZE VNET_CRYPTO_FRAME_POOL_SIZE
+#define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1)
+#define CRYPTODEV_MAX_INFLIGHT	   (CRYPTODEV_NB_CRYPTO_OPS - 1)
+#define CRYPTODEV_AAD_MASK	   (CRYPTODEV_NB_CRYPTO_OPS - 1)
+#define CRYPTODEV_DEQ_CACHE_SZ	   32
+#define CRYPTODEV_NB_SESSION	   10240
+#define CRYPTODEV_MAX_IV_SIZE	   16
+#define CRYPTODEV_MAX_AAD_SIZE	   16
+#define CRYPTODEV_MAX_N_SGL	   8 /**< maximum number of segments */
+
+#define CRYPTODEV_IV_OFFSET  (offsetof (cryptodev_op_t, iv))
+#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
+
+/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
+ */
+#define foreach_vnet_aead_crypto_conversion                                   \
+  _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16)                               \
+  _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16)                              \
+  _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24)                               \
+  _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24)                              \
+  _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32)                               \
+  _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32)
+
+/**
+ * crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
+ **/
+#define foreach_cryptodev_link_async_alg                                      \
+  _ (AES_128_CBC, AES_CBC, 16, SHA1, 12)                                      \
+  _ (AES_192_CBC, AES_CBC, 24, SHA1, 12)                                      \
+  _ (AES_256_CBC, AES_CBC, 32, SHA1, 12)                                      \
+  _ (AES_128_CBC, AES_CBC, 16, SHA224, 14)                                    \
+  _ (AES_192_CBC, AES_CBC, 24, SHA224, 14)                                    \
+  _ (AES_256_CBC, AES_CBC, 32, SHA224, 14)                                    \
+  _ (AES_128_CBC, AES_CBC, 16, SHA256, 16)                                    \
+  _ (AES_192_CBC, AES_CBC, 24, SHA256, 16)                                    \
+  _ (AES_256_CBC, AES_CBC, 32, SHA256, 16)                                    \
+  _ (AES_128_CBC, AES_CBC, 16, SHA384, 24)                                    \
+  _ (AES_192_CBC, AES_CBC, 24, SHA384, 24)                                    \
+  _ (AES_256_CBC, AES_CBC, 32, SHA384, 24)                                    \
+  _ (AES_128_CBC, AES_CBC, 16, SHA512, 32)                                    \
+  _ (AES_192_CBC, AES_CBC, 24, SHA512, 32)                                    \
+  _ (AES_256_CBC, AES_CBC, 32, SHA512, 32)
+
+typedef enum
+{
+  CRYPTODEV_OP_TYPE_ENCRYPT = 0,
+  CRYPTODEV_OP_TYPE_DECRYPT,
+  CRYPTODEV_N_OP_TYPES,
+} cryptodev_op_type_t;
+
+/* Cryptodev session data, one data per direction per numa */
+typedef struct
+{
+  struct rte_cryptodev_sym_session ***keys;
+} cryptodev_key_t;
+
+/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
+ * in favor of vpp vector */
+typedef struct
+{
+  enum rte_crypto_sym_xform_type xform_type;
+  union
+  {
+    struct
+    {
+      enum rte_crypto_auth_algorithm algo; /*auth algo */
+      u32 *digest_sizes;		   /* vector of auth digest sizes */
+    } auth;
+    struct
+    {
+      enum rte_crypto_cipher_algorithm algo; /* cipher algo */
+      u32 *key_sizes;			     /* vector of cipher key sizes */
+    } cipher;
+    struct
+    {
+      enum rte_crypto_aead_algorithm algo; /* aead algo */
+      u32 *key_sizes;			   /*vector of aead key sizes */
+      u32 *aad_sizes;			   /*vector of aad sizes */
+      u32 *digest_sizes;		   /* vector of aead digest sizes */
+    } aead;
+  };
+} cryptodev_capability_t;
+
+/* Cryptodev instance data */
+typedef struct
+{
+  u32 dev_id;
+  u32 q_id;
+  char *desc;
+} cryptodev_inst_t;
+
+typedef struct
+{
+  struct rte_mempool *sess_pool;
+  struct rte_mempool *sess_priv_pool;
+} cryptodev_numa_data_t;
+
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  struct rte_crypto_op op;
+  struct rte_crypto_sym_op sop;
+  u8 iv[CRYPTODEV_MAX_IV_SIZE];
+  u8 aad[CRYPTODEV_MAX_AAD_SIZE];
+  vnet_crypto_async_frame_t *frame;
+  u32 n_elts;
+} cryptodev_op_t;
+
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
+  union
+  {
+    struct
+    {
+      cryptodev_op_t **cops;
+      struct rte_mempool *cop_pool;
+      struct rte_ring *ring;
+    };
+    struct
+    {
+      struct rte_crypto_raw_dp_ctx *ctx;
+      struct rte_ring *cached_frame;
+      u16 aad_index;
+      u8 *aad_buf;
+      u64 aad_phy_addr;
+      struct rte_cryptodev_sym_session *reset_sess;
+    };
+  };
+  u16 cryptodev_id;
+  u16 cryptodev_q;
+  u16 inflight;
+} cryptodev_engine_thread_t;
+
+typedef struct
+{
+  cryptodev_numa_data_t *per_numa_data;
+  cryptodev_key_t *keys;
+  cryptodev_engine_thread_t *per_thread_data;
+  enum rte_iova_mode iova_mode;
+  cryptodev_inst_t *cryptodev_inst;
+  clib_bitmap_t *active_cdev_inst_mask;
+  clib_spinlock_t tlock;
+  cryptodev_capability_t *supported_caps;
+  u8 is_raw_api;
+} cryptodev_main_t;
+
+extern cryptodev_main_t cryptodev_main;
+
+static_always_inline void
+cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t *f,
+				 vnet_crypto_op_status_t s)
+{
+  u32 n_elts = f->n_elts, i;
+
+  for (i = 0; i < n_elts; i++)
+    f->elts[i].status = s;
+  f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
+}
+
+int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
+			      u32 aad_len);
+
+void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
+			     vnet_crypto_key_index_t idx, u32 aad_len);
+
+int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
+				 u32 key_size, u32 digest_size, u32 aad_size);
+
+clib_error_t *cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx);
+
+clib_error_t *__clib_weak cryptodev_register_raw_hdl (vlib_main_t *vm,
+						      u32 eidx);
 
 clib_error_t *
 dpdk_cryptodev_init (vlib_main_t * vm);
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c b/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c
deleted file mode 100644
index 81f386c5c22..00000000000
--- a/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c
+++ /dev/null
@@ -1,1879 +0,0 @@
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2020 Intel and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-#include <vlib/vlib.h>
-#include <vnet/plugin/plugin.h>
-#include <vnet/crypto/crypto.h>
-#include <vnet/ipsec/ipsec.h>
-#include <vpp/app/version.h>
-
-#include <dpdk/buffer.h>
-#include <dpdk/device/dpdk.h>
-#include <dpdk/device/dpdk_priv.h>
-#undef always_inline
-#include <rte_bus_vdev.h>
-#include <rte_cryptodev.h>
-#include <rte_crypto_sym.h>
-#include <rte_crypto.h>
-#include <rte_cryptodev_pmd.h>
-#include <rte_config.h>
-
-#if CLIB_DEBUG > 0
-#define always_inline static inline
-#else
-#define always_inline static inline __attribute__ ((__always_inline__))
-#endif
-
-#define CRYPTODEV_NB_CRYPTO_OPS	1024
-#define CRYPTODEV_MAX_INFLIGHT	(CRYPTODEV_NB_CRYPTO_OPS - 1)
-#define CRYPTODEV_AAD_MASK	(CRYPTODEV_NB_CRYPTO_OPS - 1)
-#define CRYPTODEV_DEQ_CACHE_SZ	32
-#define CRYPTODEV_NB_SESSION	10240
-#define CRYPTODEV_MAX_AAD_SIZE	16
-#define CRYPTODEV_MAX_N_SGL	8 /**< maximum number of segments */
-
-/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
- */
-#define foreach_vnet_aead_crypto_conversion                                   \
-  _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16)                               \
-  _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16)                              \
-  _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24)                               \
-  _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24)                              \
-  _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32)                               \
-  _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32)
-
-/**
- * crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
- **/
-#define foreach_cryptodev_link_async_alg                                      \
-  _ (AES_128_CBC, AES_CBC, 16, SHA1, 12)                                      \
-  _ (AES_192_CBC, AES_CBC, 24, SHA1, 12)                                      \
-  _ (AES_256_CBC, AES_CBC, 32, SHA1, 12)                                      \
-  _ (AES_128_CBC, AES_CBC, 16, SHA224, 14)                                    \
-  _ (AES_192_CBC, AES_CBC, 24, SHA224, 14)                                    \
-  _ (AES_256_CBC, AES_CBC, 32, SHA224, 14)                                    \
-  _ (AES_128_CBC, AES_CBC, 16, SHA256, 16)                                    \
-  _ (AES_192_CBC, AES_CBC, 24, SHA256, 16)                                    \
-  _ (AES_256_CBC, AES_CBC, 32, SHA256, 16)                                    \
-  _ (AES_128_CBC, AES_CBC, 16, SHA384, 24)                                    \
-  _ (AES_192_CBC, AES_CBC, 24, SHA384, 24)                                    \
-  _ (AES_256_CBC, AES_CBC, 32, SHA384, 24)                                    \
-  _ (AES_128_CBC, AES_CBC, 16, SHA512, 32)                                    \
-  _ (AES_192_CBC, AES_CBC, 24, SHA512, 32)                                    \
-  _ (AES_256_CBC, AES_CBC, 32, SHA512, 32)
-
-typedef enum
-{
-  CRYPTODEV_OP_TYPE_ENCRYPT = 0,
-  CRYPTODEV_OP_TYPE_DECRYPT,
-  CRYPTODEV_N_OP_TYPES,
-} cryptodev_op_type_t;
-
-typedef struct
-{
-  union rte_cryptodev_session_ctx **keys;
-} cryptodev_key_t;
-
-/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
- * in favor of vpp vector */
-typedef struct
-{
-  enum rte_crypto_sym_xform_type xform_type;
-  union
-  {
-    struct
-    {
-      enum rte_crypto_auth_algorithm algo; /*auth algo */
-      u32 *digest_sizes;		   /* vector of auth digest sizes */
-    } auth;
-    struct
-    {
-      enum rte_crypto_cipher_algorithm algo; /* cipher algo */
-      u32 *key_sizes;			     /* vector of cipher key sizes */
-    } cipher;
-    struct
-    {
-      enum rte_crypto_aead_algorithm algo; /* aead algo */
-      u32 *key_sizes;			   /*vector of aead key sizes */
-      u32 *aad_sizes;			   /*vector of aad sizes */
-      u32 *digest_sizes;		   /* vector of aead digest sizes */
-    } aead;
-  };
-} cryptodev_capability_t;
-
-typedef struct
-{
-  u32 dev_id;
-  u32 q_id;
-  char *desc;
-} cryptodev_inst_t;
-
-typedef struct
-{
-  struct rte_mempool *sess_pool;
-  struct rte_mempool *sess_priv_pool;
-} cryptodev_numa_data_t;
-
-typedef struct
-{
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-  vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
-  struct rte_crypto_raw_dp_ctx *ctx;
-  struct rte_crypto_vec vec[CRYPTODEV_MAX_N_SGL];
-  struct rte_ring *cached_frame;
-  u16 aad_index;
-  u8 *aad_buf;
-  u64 aad_phy_addr;
-  u16 cryptodev_id;
-  u16 cryptodev_q;
-  u16 inflight;
-  union rte_cryptodev_session_ctx reset_sess; /* session data for reset ctx */
-} cryptodev_engine_thread_t;
-
-typedef struct
-{
-  cryptodev_numa_data_t *per_numa_data;
-  cryptodev_key_t *keys;
-  cryptodev_engine_thread_t *per_thread_data;
-  enum rte_iova_mode iova_mode;
-  cryptodev_inst_t *cryptodev_inst;
-  clib_bitmap_t *active_cdev_inst_mask;
-  clib_spinlock_t tlock;
-  cryptodev_capability_t *supported_caps;
-} cryptodev_main_t;
-
-cryptodev_main_t cryptodev_main;
-
-static_always_inline int
-prepare_aead_xform (struct rte_crypto_sym_xform *xform,
-		    cryptodev_op_type_t op_type, const vnet_crypto_key_t *key,
-		    u32 aad_len)
-{
-  struct rte_crypto_aead_xform *aead_xform = &xform->aead;
-  memset (xform, 0, sizeof (*xform));
-  xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
-  xform->next = 0;
-
-  if (key->alg != VNET_CRYPTO_ALG_AES_128_GCM &&
-      key->alg != VNET_CRYPTO_ALG_AES_192_GCM &&
-      key->alg != VNET_CRYPTO_ALG_AES_256_GCM)
-    return -1;
-
-  aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
-  aead_xform->op = (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) ?
-    RTE_CRYPTO_AEAD_OP_ENCRYPT : RTE_CRYPTO_AEAD_OP_DECRYPT;
-  aead_xform->aad_length = aad_len;
-  aead_xform->digest_length = 16;
-  aead_xform->iv.offset = 0;
-  aead_xform->iv.length = 12;
-  aead_xform->key.data = key->data;
-  aead_xform->key.length = vec_len (key->data);
-
-  return 0;
-}
-
-static_always_inline int
-prepare_linked_xform (struct rte_crypto_sym_xform *xforms,
-		      cryptodev_op_type_t op_type,
-		      const vnet_crypto_key_t *key)
-{
-  struct rte_crypto_sym_xform *xform_cipher, *xform_auth;
-  vnet_crypto_key_t *key_cipher, *key_auth;
-  enum rte_crypto_cipher_algorithm cipher_algo = ~0;
-  enum rte_crypto_auth_algorithm auth_algo = ~0;
-  u32 digest_len = ~0;
-
-  key_cipher = vnet_crypto_get_key (key->index_crypto);
-  key_auth = vnet_crypto_get_key (key->index_integ);
-  if (!key_cipher || !key_auth)
-    return -1;
-
-  if (op_type == CRYPTODEV_OP_TYPE_ENCRYPT)
-    {
-      xform_cipher = xforms;
-      xform_auth = xforms + 1;
-      xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
-      xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
-    }
-  else
-    {
-      xform_cipher = xforms + 1;
-      xform_auth = xforms;
-      xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
-      xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
-    }
-
-  xform_cipher->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
-  xform_auth->type = RTE_CRYPTO_SYM_XFORM_AUTH;
-  xforms->next = xforms + 1;
-
-  switch (key->async_alg)
-    {
-#define _(a, b, c, d, e)                                                      \
-  case VNET_CRYPTO_ALG_##a##_##d##_TAG##e:                                    \
-    cipher_algo = RTE_CRYPTO_CIPHER_##b;                                      \
-    auth_algo = RTE_CRYPTO_AUTH_##d##_HMAC;                                   \
-    digest_len = e;                                                           \
-    break;
-
-      foreach_cryptodev_link_async_alg
-#undef _
-    default:
-      return -1;
-    }
-
-  xform_cipher->cipher.algo = cipher_algo;
-  xform_cipher->cipher.key.data = key_cipher->data;
-  xform_cipher->cipher.key.length = vec_len (key_cipher->data);
-  xform_cipher->cipher.iv.length = 16;
-  xform_cipher->cipher.iv.offset = 0;
-
-  xform_auth->auth.algo = auth_algo;
-  xform_auth->auth.digest_length = digest_len;
-  xform_auth->auth.key.data = key_auth->data;
-  xform_auth->auth.key.length = vec_len (key_auth->data);
-
-  return 0;
-}
-
-static_always_inline void
-cryptodev_session_del (struct rte_cryptodev_sym_session *sess)
-{
-  u32 n_devs, i;
-
-  if (sess == NULL)
-    return;
-
-  n_devs = rte_cryptodev_count ();
-
-  for (i = 0; i < n_devs; i++)
-    rte_cryptodev_sym_session_clear (i, sess);
-
-  rte_cryptodev_sym_session_free (sess);
-}
-
-static_always_inline int
-cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
-			  u32 aad_len)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_numa_data_t *numa_data;
-  cryptodev_inst_t *dev_inst;
-  vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
-  struct rte_mempool *sess_pool, *sess_priv_pool;
-  cryptodev_key_t *ckey = vec_elt_at_index (cmt->keys, idx);
-  struct rte_crypto_sym_xform xforms_enc[2] = { { 0 } };
-  struct rte_crypto_sym_xform xforms_dec[2] = { { 0 } };
-  struct rte_cryptodev_sym_session *sessions[CRYPTODEV_N_OP_TYPES] = { 0 };
-  u32 numa_node = vm->numa_node;
-  int ret;
-
-  numa_data = vec_elt_at_index (cmt->per_numa_data, numa_node);
-  sess_pool = numa_data->sess_pool;
-  sess_priv_pool = numa_data->sess_priv_pool;
-
-  sessions[CRYPTODEV_OP_TYPE_ENCRYPT] =
-    rte_cryptodev_sym_session_create (sess_pool);
-  if (!sessions[CRYPTODEV_OP_TYPE_ENCRYPT])
-    {
-      ret = -1;
-      goto clear_key;
-    }
-
-  sessions[CRYPTODEV_OP_TYPE_DECRYPT] =
-    rte_cryptodev_sym_session_create (sess_pool);
-  if (!sessions[CRYPTODEV_OP_TYPE_DECRYPT])
-    {
-      ret = -1;
-      goto clear_key;
-    }
-
-  if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
-    ret = prepare_linked_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key);
-  else
-    ret = prepare_aead_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key,
-			      aad_len);
-  if (ret)
-    return 0;
-
-  if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
-    prepare_linked_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key);
-  else
-    prepare_aead_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key, aad_len);
-
-  vec_foreach (dev_inst, cmt->cryptodev_inst)
-  {
-    u32 dev_id = dev_inst->dev_id;
-    struct rte_cryptodev *cdev = rte_cryptodev_pmd_get_dev (dev_id);
-
-    /* if the session is already configured for the driver type, avoid
-       configuring it again to increase the session data's refcnt */
-    if (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->sess_data[cdev->driver_id].data &&
-	sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[cdev->driver_id].data)
-      continue;
-
-    ret = rte_cryptodev_sym_session_init (
-      dev_id, sessions[CRYPTODEV_OP_TYPE_ENCRYPT], xforms_enc, sess_priv_pool);
-    ret = rte_cryptodev_sym_session_init (
-      dev_id, sessions[CRYPTODEV_OP_TYPE_DECRYPT], xforms_dec, sess_priv_pool);
-    if (ret < 0)
-      return ret;
-  }
-
-  sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->opaque_data = aad_len;
-  sessions[CRYPTODEV_OP_TYPE_DECRYPT]->opaque_data = aad_len;
-
-  CLIB_MEMORY_STORE_BARRIER ();
-  ckey->keys[numa_node][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess =
-    sessions[CRYPTODEV_OP_TYPE_ENCRYPT];
-  ckey->keys[numa_node][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess =
-    sessions[CRYPTODEV_OP_TYPE_DECRYPT];
-
-clear_key:
-  if (ret != 0)
-    {
-      cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]);
-      cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_DECRYPT]);
-    }
-  return ret;
-}
-
-static int
-cryptodev_supports_param_value (u32 *params, u32 param_value)
-{
-  u32 *value;
-  vec_foreach (value, params)
-    {
-      if (*value == param_value)
-	return 1;
-    }
-  return 0;
-}
-
-static int
-cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
-			     u32 key_size, u32 digest_size, u32 aad_size)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_capability_t *cap;
-  vec_foreach (cap, cmt->supported_caps)
-    {
-
-      if (cap->xform_type != idx->type)
-	continue;
-
-      if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
-	  cap->auth.algo == idx->algo.auth &&
-	  cryptodev_supports_param_value (cap->auth.digest_sizes, digest_size))
-	return 1;
-
-      if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
-	  cap->cipher.algo == idx->algo.cipher &&
-	  cryptodev_supports_param_value (cap->cipher.key_sizes, key_size))
-	return 1;
-
-      if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
-	  cap->aead.algo == idx->algo.aead &&
-	  cryptodev_supports_param_value (cap->aead.key_sizes, key_size) &&
-	  cryptodev_supports_param_value (cap->aead.digest_sizes,
-					  digest_size) &&
-	  cryptodev_supports_param_value (cap->aead.aad_sizes, aad_size))
-	return 1;
-    }
-  return 0;
-}
-
-static int
-cryptodev_check_supported_vnet_alg (vnet_crypto_key_t * key)
-{
-  vnet_crypto_alg_t alg;
-  if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
-    return 0;
-
-  alg = key->alg;
-
-#define _(a, b, c, d, e, f, g)                                                \
-  if (alg == VNET_CRYPTO_ALG_##a)                                             \
-    return 0;
-
-  foreach_vnet_aead_crypto_conversion
-#undef _
-    return -1;
-}
-
-static_always_inline void
-cryptodev_sess_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
-			vnet_crypto_key_index_t idx, u32 aad_len)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
-  cryptodev_key_t *ckey = 0;
-  u32 i;
-
-  vec_validate (cmt->keys, idx);
-  ckey = vec_elt_at_index (cmt->keys, idx);
-
-  if (kop == VNET_CRYPTO_KEY_OP_DEL || kop == VNET_CRYPTO_KEY_OP_MODIFY)
-    {
-      if (idx >= vec_len (cmt->keys))
-	return;
-
-      vec_foreach_index (i, cmt->per_numa_data)
-	{
-	  if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess)
-	    {
-	      cryptodev_session_del (
-		ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess);
-	      cryptodev_session_del (
-		ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess);
-
-	      CLIB_MEMORY_STORE_BARRIER ();
-	      ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess = 0;
-	      ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess = 0;
-	    }
-	}
-      return;
-    }
-
-  /* create key */
-
-  /* do not create session for unsupported alg */
-  if (cryptodev_check_supported_vnet_alg (key))
-    return;
-
-  vec_validate (ckey->keys, vec_len (cmt->per_numa_data) - 1);
-  vec_foreach_index (i, ckey->keys)
-    vec_validate (ckey->keys[i], CRYPTODEV_N_OP_TYPES - 1);
-}
-
-/*static*/ void
-cryptodev_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
-		       vnet_crypto_key_index_t idx)
-{
-  cryptodev_sess_handler (vm, kop, idx, 8);
-}
-
-static_always_inline void
-cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t * f,
-				 vnet_crypto_op_status_t s)
-{
-  u32 n_elts = f->n_elts, i;
-
-  for (i = 0; i < n_elts; i++)
-    f->elts[i].status = s;
-  f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
-}
-
-static_always_inline int
-cryptodev_frame_build_sgl (vlib_main_t * vm, enum rte_iova_mode iova_mode,
-			   struct rte_crypto_vec *data_vec,
-			   u16 * n_seg, vlib_buffer_t * b, u32 size)
-{
-  struct rte_crypto_vec *vec = data_vec + 1;
-  if (vlib_buffer_chain_linearize (vm, b) > CRYPTODEV_MAX_N_SGL)
-    return -1;
-
-  while ((b->flags & VLIB_BUFFER_NEXT_PRESENT) && size)
-    {
-      u32 len;
-      b = vlib_get_buffer (vm, b->next_buffer);
-      len = clib_min (b->current_length, size);
-      vec->base = (void *) vlib_buffer_get_current (b);
-      if (iova_mode == RTE_IOVA_VA)
-	vec->iova = pointer_to_uword (vec->base);
-      else
-	vec->iova = vlib_buffer_get_current_pa (vm, b);
-      vec->len = len;
-      size -= len;
-      vec++;
-      *n_seg += 1;
-    }
-
-  if (size)
-    return -1;
-
-  return 0;
-}
-
-static_always_inline u64
-compute_ofs_linked_alg (vnet_crypto_async_frame_elt_t * fe, i16 * min_ofs,
-			u32 * max_end)
-{
-  union rte_crypto_sym_ofs ofs;
-  u32 crypto_end = fe->crypto_start_offset + fe->crypto_total_length;
-  u32 integ_end = fe->integ_start_offset + fe->crypto_total_length +
-    fe->integ_length_adj;
-
-  *min_ofs = clib_min (fe->crypto_start_offset, fe->integ_start_offset);
-  *max_end = clib_max (crypto_end, integ_end);
-
-  ofs.ofs.cipher.head = fe->crypto_start_offset - *min_ofs;
-  ofs.ofs.cipher.tail = *max_end - crypto_end;
-  ofs.ofs.auth.head = fe->integ_start_offset - *min_ofs;
-  ofs.ofs.auth.tail = *max_end - integ_end;
-
-  return ofs.raw;
-}
-
-static_always_inline void
-cryptodev_reset_ctx (cryptodev_engine_thread_t *cet)
-{
-  rte_cryptodev_configure_raw_dp_ctx (cet->cryptodev_id, cet->cryptodev_q,
-				      cet->ctx, RTE_CRYPTO_OP_WITH_SESSION,
-				      cet->reset_sess, 0);
-}
-
-static_always_inline int
-cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm,
-				     vnet_crypto_async_frame_t * frame,
-				     cryptodev_op_type_t op_type)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  vnet_crypto_async_frame_elt_t *fe;
-  struct rte_crypto_vec *vec;
-  struct rte_crypto_va_iova_ptr iv_vec, digest_vec;
-  vlib_buffer_t **b;
-  u32 n_elts;
-  u32 last_key_index = ~0;
-  i16 min_ofs;
-  u32 max_end;
-  int status;
-
-  n_elts = frame->n_elts;
-
-  if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
-
-  vec = cet->vec;
-  b = cet->b;
-  fe = frame->elts;
-
-  while (n_elts)
-    {
-      union rte_crypto_sym_ofs cofs;
-      u16 n_seg = 1;
-
-      if (n_elts > 2)
-	{
-	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
-	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
-	  vlib_prefetch_buffer_header (b[1], LOAD);
-	  vlib_prefetch_buffer_header (b[2], LOAD);
-	}
-
-      if (PREDICT_FALSE (last_key_index != fe->key_index))
-	{
-	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-
-	  if (PREDICT_FALSE (key->keys[vm->numa_node][op_type].crypto_sess ==
-			     0))
-	    {
-	      status = cryptodev_session_create (vm, fe->key_index, 0);
-	      if (PREDICT_FALSE (status < 0))
-		goto error_exit;
-	    }
-
-	  status = rte_cryptodev_configure_raw_dp_ctx (
-	    cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
-	    RTE_CRYPTO_OP_WITH_SESSION, key->keys[vm->numa_node][op_type],
-	    /*is_update */ 1);
-	  if (PREDICT_FALSE (status < 0))
-	    goto error_exit;
-
-	  last_key_index = fe->key_index;
-	}
-
-      cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
-
-      vec->len = max_end - min_ofs;
-      if (cmt->iova_mode == RTE_IOVA_VA)
-	{
-	  vec[0].base = (void *) (b[0]->data + min_ofs);
-	  vec[0].iova = pointer_to_uword (b[0]->data) + min_ofs;
-	  iv_vec.va = (void *) fe->iv;
-	  iv_vec.iova = pointer_to_uword (fe->iv);
-	  digest_vec.va = (void *) fe->tag;
-	  digest_vec.iova = pointer_to_uword (fe->tag);
-	}
-      else
-	{
-	  vec[0].base = (void *) (b[0]->data + min_ofs);
-	  vec[0].iova = vlib_buffer_get_pa (vm, b[0]) + min_ofs;
-	  iv_vec.va = (void *) fe->iv;
-	  iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
-	  digest_vec.va = (void *) fe->tag;
-	  digest_vec.iova = vlib_physmem_get_pa (vm, fe->digest);
-	}
-
-      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
-	{
-	  vec[0].len = b[0]->current_data + b[0]->current_length - min_ofs;
-	  if (cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
-					 max_end - min_ofs - vec->len) < 0)
-	    goto error_exit;
-	}
-
-      status = rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
-					  &digest_vec, 0, (void *) frame);
-      if (PREDICT_FALSE (status < 0))
-	goto error_exit;
-
-      b++;
-      fe++;
-      n_elts--;
-    }
-
-  status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
-  if (PREDICT_FALSE (status < 0))
-    {
-      cryptodev_reset_ctx (cet);
-      return -1;
-    }
-
-  cet->inflight += frame->n_elts;
-  return 0;
-
-error_exit:
-  cryptodev_mark_frame_err_status (frame,
-				   VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-  cryptodev_reset_ctx (cet);
-  return -1;
-}
-
-static_always_inline int
-cryptodev_frame_gcm_enqueue (vlib_main_t * vm,
-			     vnet_crypto_async_frame_t * frame,
-			     cryptodev_op_type_t op_type, u8 aad_len)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  vnet_crypto_async_frame_elt_t *fe;
-  vlib_buffer_t **b;
-  u32 n_elts;
-  union rte_crypto_sym_ofs cofs;
-  struct rte_crypto_vec *vec;
-  struct rte_crypto_va_iova_ptr iv_vec, digest_vec, aad_vec;
-  u32 last_key_index = ~0;
-  int status;
-
-  n_elts = frame->n_elts;
-
-  if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
-    {
-      cryptodev_mark_frame_err_status (frame,
-				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-      return -1;
-    }
-
-  vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
-
-  vec = cet->vec;
-  fe = frame->elts;
-  b = cet->b;
-  cofs.raw = 0;
-
-  while (n_elts)
-    {
-      u32 aad_offset = ((cet->aad_index++) & CRYPTODEV_AAD_MASK) << 4;
-      u16 n_seg = 1;
-
-      if (n_elts > 1)
-	{
-	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
-	  vlib_prefetch_buffer_header (b[1], LOAD);
-	}
-
-      if (PREDICT_FALSE (last_key_index != fe->key_index))
-	{
-	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-
-	  if (PREDICT_FALSE (key->keys[vm->numa_node][op_type].crypto_sess ==
-			     0))
-	    {
-	      status = cryptodev_session_create (vm, fe->key_index, aad_len);
-	      if (PREDICT_FALSE (status < 0))
-		goto error_exit;
-	    }
-
-	  if (PREDICT_FALSE ((u8) key->keys[vm->numa_node][op_type]
-			       .crypto_sess->opaque_data != aad_len))
-	    {
-	      cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
-				      fe->key_index, aad_len);
-	      status = cryptodev_session_create (vm, fe->key_index, aad_len);
-	      if (PREDICT_FALSE (status < 0))
-		goto error_exit;
-	    }
-
-	  status = rte_cryptodev_configure_raw_dp_ctx (
-	    cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
-	    RTE_CRYPTO_OP_WITH_SESSION, key->keys[vm->numa_node][op_type],
-	    /*is_update */ 1);
-	  if (PREDICT_FALSE (status < 0))
-	    goto error_exit;
-
-	  last_key_index = fe->key_index;
-	}
-
-      if (cmt->iova_mode == RTE_IOVA_VA)
-	{
-	  vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
-	  vec[0].iova = pointer_to_uword (vec[0].base);
-	  vec[0].len = fe->crypto_total_length;
-	  iv_vec.va = (void *) fe->iv;
-	  iv_vec.iova = pointer_to_uword (fe->iv);
-	  digest_vec.va = (void *) fe->tag;
-	  digest_vec.iova = pointer_to_uword (fe->tag);
-	  aad_vec.va = (void *) (cet->aad_buf + aad_offset);
-	  aad_vec.iova = cet->aad_phy_addr + aad_offset;
-	}
-      else
-	{
-	  vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
-	  vec[0].iova =
-	    vlib_buffer_get_pa (vm, b[0]) + fe->crypto_start_offset;
-	  vec[0].len = fe->crypto_total_length;
-	  iv_vec.va = (void *) fe->iv;
-	  iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
-	  aad_vec.va = (void *) (cet->aad_buf + aad_offset);
-	  aad_vec.iova = cet->aad_phy_addr + aad_offset;
-	  digest_vec.va = (void *) fe->tag;
-	  digest_vec.iova = vlib_physmem_get_pa (vm, fe->tag);
-	}
-
-      if (aad_len == 8)
-	*(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
-      else
-	{
-	  /* aad_len == 12 */
-	  *(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
-	  *(u32 *) (cet->aad_buf + aad_offset + 8) = *(u32 *) (fe->aad + 8);
-	}
-
-      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
-	{
-	  vec[0].len = b[0]->current_data + b[0]->current_length -
-		       fe->crypto_start_offset;
-	  status =
-	    cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
-				       fe->crypto_total_length - vec[0].len);
-	  if (status < 0)
-	    goto error_exit;
-	}
-
-      status =
-	rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
-				   &digest_vec, &aad_vec, (void *) frame);
-      if (PREDICT_FALSE (status < 0))
-	goto error_exit;
-
-      fe++;
-      b++;
-      n_elts--;
-    }
-
-  status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
-  if (PREDICT_FALSE (status < 0))
-    goto error_exit;
-
-  cet->inflight += frame->n_elts;
-
-  return 0;
-
-error_exit:
-  cryptodev_mark_frame_err_status (frame,
-				   VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
-  cryptodev_reset_ctx (cet);
-  return -1;
-}
-
-static u32
-cryptodev_get_frame_n_elts (void *frame)
-{
-  vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
-  return f->n_elts;
-}
-
-static void
-cryptodev_post_dequeue (void *frame, u32 index, u8 is_op_success)
-{
-  vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
-
-  f->elts[index].status = is_op_success ? VNET_CRYPTO_OP_STATUS_COMPLETED :
-    VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC;
-}
-
-#define GET_RING_OBJ(r, pos, f) do { \
-	vnet_crypto_async_frame_t **ring = (void *)&r[1];     \
-	f = ring[(r->cons.head + pos) & r->mask]; \
-} while (0)
-
-static_always_inline vnet_crypto_async_frame_t *
-cryptodev_frame_dequeue (vlib_main_t * vm, u32 * nb_elts_processed,
-			 u32 * enqueue_thread_idx)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
-  vnet_crypto_async_frame_t *frame, *frame_ret = 0;
-  u32 n_deq, n_success;
-  u32 n_cached_frame = rte_ring_count (cet->cached_frame), n_room_left;
-  u8 no_job_to_deq = 0;
-  u16 inflight = cet->inflight;
-  int dequeue_status;
-
-  n_room_left = CRYPTODEV_DEQ_CACHE_SZ - n_cached_frame - 1;
-
-  if (n_cached_frame)
-    {
-      u32 i;
-      for (i = 0; i < n_cached_frame; i++)
-	{
-	  vnet_crypto_async_frame_t *f;
-	  void *f_ret;
-	  enum rte_crypto_op_status op_status;
-	  u8 n_left, err, j;
-
-	  GET_RING_OBJ (cet->cached_frame, i, f);
-
-	  if (i < n_cached_frame - 2)
-	    {
-	      vnet_crypto_async_frame_t *f1, *f2;
-	      GET_RING_OBJ (cet->cached_frame, i + 1, f1);
-	      GET_RING_OBJ (cet->cached_frame, i + 2, f2);
-	      CLIB_PREFETCH (f1, CLIB_CACHE_LINE_BYTES, LOAD);
-	      CLIB_PREFETCH (f2, CLIB_CACHE_LINE_BYTES, LOAD);
-	    }
-
-	  n_left = f->state & 0x7f;
-	  err = f->state & 0x80;
-
-	  for (j = f->n_elts - n_left; j < f->n_elts && inflight; j++)
-	    {
-	      int ret;
-	      f_ret = rte_cryptodev_raw_dequeue (cet->ctx, &ret, &op_status);
-
-	      if (!f_ret)
-		break;
-
-	      switch (op_status)
-		{
-		case RTE_CRYPTO_OP_STATUS_SUCCESS:
-		  f->elts[j].status = VNET_CRYPTO_OP_STATUS_COMPLETED;
-		  break;
-		default:
-		  f->elts[j].status = VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR;
-		  err |= 1 << 7;
-		}
-
-	      inflight--;
-	    }
-
-	  if (j == f->n_elts)
-	    {
-	      if (i == 0)
-		{
-		  frame_ret = f;
-		  f->state = err ? VNET_CRYPTO_FRAME_STATE_ELT_ERROR :
-		    VNET_CRYPTO_FRAME_STATE_SUCCESS;
-		}
-	      else
-		{
-		  f->state = f->n_elts - j;
-		  f->state |= err;
-		}
-	      if (inflight)
-		continue;
-	    }
-
-	  /* to here f is not completed dequeued and no more job can be
-	   * dequeued
-	   */
-	  f->state = f->n_elts - j;
-	  f->state |= err;
-	  no_job_to_deq = 1;
-	  break;
-	}
-
-      if (frame_ret)
-	{
-	  rte_ring_sc_dequeue (cet->cached_frame, (void **) &frame_ret);
-	  n_room_left++;
-	}
-    }
-
-  /* no point to dequeue further */
-  if (!inflight || no_job_to_deq || !n_room_left)
-    goto end_deq;
-
-  n_deq = rte_cryptodev_raw_dequeue_burst (cet->ctx,
-					   cryptodev_get_frame_n_elts,
-					   cryptodev_post_dequeue,
-					   (void **) &frame, 0, &n_success,
-					   &dequeue_status);
-  if (!n_deq)
-    goto end_deq;
-
-  inflight -= n_deq;
-  no_job_to_deq = n_deq < frame->n_elts;
-  /* we have to cache the frame */
-  if (frame_ret || n_cached_frame || no_job_to_deq)
-    {
-      frame->state = frame->n_elts - n_deq;
-      frame->state |= ((n_success < n_deq) << 7);
-      rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
-      n_room_left--;
-    }
-  else
-    {
-      frame->state = n_success == frame->n_elts ?
-	VNET_CRYPTO_FRAME_STATE_SUCCESS : VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
-      frame_ret = frame;
-    }
-
-  /* see if we can dequeue more */
-  while (inflight && n_room_left && !no_job_to_deq)
-    {
-      n_deq = rte_cryptodev_raw_dequeue_burst (cet->ctx,
-					       cryptodev_get_frame_n_elts,
-					       cryptodev_post_dequeue,
-					       (void **) &frame, 0,
-					       &n_success, &dequeue_status);
-      if (!n_deq)
-	break;
-      inflight -= n_deq;
-      no_job_to_deq = n_deq < frame->n_elts;
-      frame->state = frame->n_elts - n_deq;
-      frame->state |= ((n_success < n_deq) << 7);
-      rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
-      n_room_left--;
-    }
-
-end_deq:
-  if (inflight < cet->inflight)
-    {
-      int res =
-	rte_cryptodev_raw_dequeue_done (cet->ctx, cet->inflight - inflight);
-      ASSERT (res == 0);
-      cet->inflight = inflight;
-    }
-
-  if (frame_ret)
-    {
-      *nb_elts_processed = frame_ret->n_elts;
-      *enqueue_thread_idx = frame_ret->enqueue_thread_index;
-    }
-
-  return frame_ret;
-}
-
-/* *INDENT-OFF* */
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_enc (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_ENCRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_enc (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_ENCRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_dec (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_DECRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_dec (vlib_main_t * vm,
-				 vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_gcm_enqueue (vm, frame,
-				      CRYPTODEV_OP_TYPE_DECRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_enc (vlib_main_t * vm,
-				  vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_linked_algs_enqueue (vm, frame,
-					      CRYPTODEV_OP_TYPE_ENCRYPT);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_dec (vlib_main_t * vm,
-				  vnet_crypto_async_frame_t * frame)
-{
-  return cryptodev_frame_linked_algs_enqueue (vm, frame,
-					      CRYPTODEV_OP_TYPE_DECRYPT);
-}
-
-typedef enum
-{
-  CRYPTODEV_RESOURCE_ASSIGN_AUTO = 0,
-  CRYPTODEV_RESOURCE_ASSIGN_UPDATE,
-} cryptodev_resource_assign_op_t;
-
-/**
- *  assign a cryptodev resource to a worker.
- *  @param cet: the worker thread data
- *  @param cryptodev_inst_index: if op is "ASSIGN_AUTO" this param is ignored.
- *  @param op: the assignment method.
- *  @return: 0 if successfully, negative number otherwise.
- **/
-static_always_inline int
-cryptodev_assign_resource (cryptodev_engine_thread_t * cet,
-			   u32 cryptodev_inst_index,
-			   cryptodev_resource_assign_op_t op)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_inst_t *cinst = 0;
-  uword idx;
-
-  /* assign resource is only allowed when no inflight op is in the queue */
-  if (cet->inflight)
-    return -EBUSY;
-
-  switch (op)
-    {
-    case CRYPTODEV_RESOURCE_ASSIGN_AUTO:
-      if (clib_bitmap_count_set_bits (cmt->active_cdev_inst_mask) >=
-	  vec_len (cmt->cryptodev_inst))
-	return -1;
-
-      clib_spinlock_lock (&cmt->tlock);
-      idx = clib_bitmap_first_clear (cmt->active_cdev_inst_mask);
-      clib_bitmap_set (cmt->active_cdev_inst_mask, idx, 1);
-      cinst = vec_elt_at_index (cmt->cryptodev_inst, idx);
-      cet->cryptodev_id = cinst->dev_id;
-      cet->cryptodev_q = cinst->q_id;
-      cryptodev_reset_ctx (cet);
-      clib_spinlock_unlock (&cmt->tlock);
-      break;
-    case CRYPTODEV_RESOURCE_ASSIGN_UPDATE:
-      /* assigning a used cryptodev resource is not allowed */
-      if (clib_bitmap_get (cmt->active_cdev_inst_mask, cryptodev_inst_index)
-	  == 1)
-	return -EBUSY;
-      vec_foreach_index (idx, cmt->cryptodev_inst)
-      {
-	cinst = cmt->cryptodev_inst + idx;
-	if (cinst->dev_id == cet->cryptodev_id &&
-	    cinst->q_id == cet->cryptodev_q)
-	  break;
-      }
-      /* invalid existing worker resource assignment */
-      if (idx == vec_len (cmt->cryptodev_inst))
-	return -EINVAL;
-      clib_spinlock_lock (&cmt->tlock);
-      clib_bitmap_set_no_check (cmt->active_cdev_inst_mask, idx, 0);
-      clib_bitmap_set_no_check (cmt->active_cdev_inst_mask,
-				cryptodev_inst_index, 1);
-      cinst = cmt->cryptodev_inst + cryptodev_inst_index;
-      cet->cryptodev_id = cinst->dev_id;
-      cet->cryptodev_q = cinst->q_id;
-      cryptodev_reset_ctx (cet);
-      clib_spinlock_unlock (&cmt->tlock);
-      break;
-    default:
-      return -EINVAL;
-    }
-  return 0;
-}
-
-static u8 *
-format_cryptodev_inst (u8 * s, va_list * args)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  u32 inst = va_arg (*args, u32);
-  cryptodev_inst_t *cit = cmt->cryptodev_inst + inst;
-  u32 thread_index = 0;
-  struct rte_cryptodev_info info;
-
-  rte_cryptodev_info_get (cit->dev_id, &info);
-  s = format (s, "%-25s%-10u", info.device->name, cit->q_id);
-
-  vec_foreach_index (thread_index, cmt->per_thread_data)
-  {
-    cryptodev_engine_thread_t *cet = cmt->per_thread_data + thread_index;
-    if (vlib_num_workers () > 0 && thread_index == 0)
-      continue;
-
-    if (cet->cryptodev_id == cit->dev_id && cet->cryptodev_q == cit->q_id)
-      {
-	s = format (s, "%u (%v)\n", thread_index,
-		    vlib_worker_threads[thread_index].name);
-	break;
-      }
-  }
-
-  if (thread_index == vec_len (cmt->per_thread_data))
-    s = format (s, "%s\n", "free");
-
-  return s;
-}
-
-static clib_error_t *
-cryptodev_show_assignment_fn (vlib_main_t * vm, unformat_input_t * input,
-			      vlib_cli_command_t * cmd)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  u32 inst;
-
-  vlib_cli_output (vm, "%-5s%-25s%-10s%s\n", "No.", "Name", "Queue-id",
-		   "Assigned-to");
-  if (vec_len (cmt->cryptodev_inst) == 0)
-    {
-      vlib_cli_output (vm, "(nil)\n");
-      return 0;
-    }
-
-  vec_foreach_index (inst, cmt->cryptodev_inst)
-    vlib_cli_output (vm, "%-5u%U", inst, format_cryptodev_inst, inst);
-
-  return 0;
-}
-
-VLIB_CLI_COMMAND (show_cryptodev_assignment, static) = {
-    .path = "show cryptodev assignment",
-    .short_help = "show cryptodev assignment",
-    .function = cryptodev_show_assignment_fn,
-};
-
-static clib_error_t *
-cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input,
-			     vlib_cli_command_t * cmd)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_engine_thread_t *cet;
-  unformat_input_t _line_input, *line_input = &_line_input;
-  u32 thread_index, inst_index;
-  u32 thread_present = 0, inst_present = 0;
-  clib_error_t *error = 0;
-  int ret;
-
-  /* Get a line of input. */
-  if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
-
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "thread %u", &thread_index))
-	thread_present = 1;
-      else if (unformat (line_input, "resource %u", &inst_index))
-	inst_present = 1;
-      else
-	{
-	  error = clib_error_return (0, "unknown input `%U'",
-				     format_unformat_error, line_input);
-	  return error;
-	}
-    }
-
-  if (!thread_present || !inst_present)
-    {
-      error = clib_error_return (0, "mandatory argument(s) missing");
-      return error;
-    }
-
-  if (thread_index == 0 && vlib_num_workers () > 0)
-    {
-      error =
-	clib_error_return (0, "assign crypto resource for master thread");
-      return error;
-    }
-
-  if (thread_index > vec_len (cmt->per_thread_data) ||
-      inst_index > vec_len (cmt->cryptodev_inst))
-    {
-      error = clib_error_return (0, "wrong thread id or resource id");
-      return error;
-    }
-
-  cet = cmt->per_thread_data + thread_index;
-  ret = cryptodev_assign_resource (cet, inst_index,
-				   CRYPTODEV_RESOURCE_ASSIGN_UPDATE);
-  if (ret)
-    {
-      error = clib_error_return (0, "cryptodev_assign_resource returned %i",
-				 ret);
-      return error;
-    }
-
-  return 0;
-}
-
-VLIB_CLI_COMMAND (set_cryptodev_assignment, static) = {
-    .path = "set cryptodev assignment",
-    .short_help = "set cryptodev assignment thread <thread_index> "
-	"resource <inst_index>",
-    .function = cryptodev_set_assignment_fn,
-};
-
-static u32
-cryptodev_count_queue (u32 numa)
-{
-  struct rte_cryptodev_info info;
-  u32 n_cryptodev = rte_cryptodev_count ();
-  u32 i, q_count = 0;
-
-  for (i = 0; i < n_cryptodev; i++)
-    {
-      rte_cryptodev_info_get (i, &info);
-      q_count += info.max_nb_queue_pairs;
-    }
-
-  return q_count;
-}
-
-static int
-cryptodev_configure (vlib_main_t *vm, u32 cryptodev_id)
-{
-  struct rte_cryptodev_config cfg;
-  struct rte_cryptodev_info info;
-  cryptodev_main_t *cmt = &cryptodev_main;
-  u32 i;
-  int ret;
-
-  rte_cryptodev_info_get (cryptodev_id, &info);
-
-  if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP))
-    return -1;
-
-  cfg.socket_id = info.device->numa_node;
-  cfg.nb_queue_pairs = info.max_nb_queue_pairs;
-
-  rte_cryptodev_configure (cryptodev_id, &cfg);
-
-  for (i = 0; i < info.max_nb_queue_pairs; i++)
-    {
-      struct rte_cryptodev_qp_conf qp_cfg;
-
-      qp_cfg.mp_session = 0;
-      qp_cfg.mp_session_private = 0;
-      qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS;
-
-      ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg,
-					    info.device->numa_node);
-      if (ret)
-	{
-	  clib_warning ("Cryptodev: Configure device %u queue %u failed %d",
-			cryptodev_id, i, ret);
-	  break;
-	}
-    }
-
-  if (i != info.max_nb_queue_pairs)
-    return -1;
-
-  /* start the device */
-  rte_cryptodev_start (cryptodev_id);
-
-  for (i = 0; i < info.max_nb_queue_pairs; i++)
-    {
-      cryptodev_inst_t *cdev_inst;
-      vec_add2(cmt->cryptodev_inst, cdev_inst, 1);
-      cdev_inst->desc = vec_new (char, strlen (info.device->name) + 10);
-      cdev_inst->dev_id = cryptodev_id;
-      cdev_inst->q_id = i;
-
-      snprintf (cdev_inst->desc, strlen (info.device->name) + 9,
-		"%s_q%u", info.device->name, i);
-    }
-
-  return 0;
-}
-
-static int
-cryptodev_cmp (void *v1, void *v2)
-{
-  cryptodev_inst_t *a1 = v1;
-  cryptodev_inst_t *a2 = v2;
-
-  if (a1->q_id > a2->q_id)
-    return 1;
-  if (a1->q_id < a2->q_id)
-    return -1;
-  return 0;
-}
-
-static void
-remove_unsupported_param_size (u32 **param_sizes, u32 param_size_min,
-			       u32 param_size_max, u32 increment)
-{
-  u32 i = 0;
-  u32 cap_param_size;
-
-  while (i < vec_len (*param_sizes))
-    {
-      u32 found_param = 0;
-      for (cap_param_size = param_size_min; cap_param_size <= param_size_max;
-	   cap_param_size += increment)
-	{
-	  if ((*param_sizes)[i] == cap_param_size)
-	    {
-	      found_param = 1;
-	      break;
-	    }
-	  if (increment == 0)
-	    break;
-	}
-      if (!found_param)
-	/* no such param_size in cap so delete  this size in temp_cap params */
-	vec_delete (*param_sizes, 1, i);
-      else
-	i++;
-    }
-}
-
-static void
-cryptodev_delete_cap (cryptodev_capability_t **temp_caps, u32 temp_cap_id)
-{
-  cryptodev_capability_t temp_cap = (*temp_caps)[temp_cap_id];
-
-  switch (temp_cap.xform_type)
-    {
-    case RTE_CRYPTO_SYM_XFORM_AUTH:
-      vec_free (temp_cap.auth.digest_sizes);
-      break;
-    case RTE_CRYPTO_SYM_XFORM_CIPHER:
-      vec_free (temp_cap.cipher.key_sizes);
-      break;
-    case RTE_CRYPTO_SYM_XFORM_AEAD:
-      vec_free (temp_cap.aead.key_sizes);
-      vec_free (temp_cap.aead.aad_sizes);
-      vec_free (temp_cap.aead.digest_sizes);
-      break;
-    default:
-      break;
-    }
-  vec_delete (*temp_caps, 1, temp_cap_id);
-}
-
-static u32
-cryptodev_remove_unsupported_param_sizes (
-  cryptodev_capability_t *temp_cap,
-  const struct rte_cryptodev_capabilities *dev_caps)
-{
-  u32 cap_found = 0;
-  const struct rte_cryptodev_capabilities *cap = &dev_caps[0];
-
-  while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
-    {
-      if (cap->sym.xform_type == temp_cap->xform_type)
-	switch (cap->sym.xform_type)
-	  {
-	  case RTE_CRYPTO_SYM_XFORM_CIPHER:
-	    if (cap->sym.cipher.algo == temp_cap->cipher.algo)
-	      {
-		remove_unsupported_param_size (
-		  &temp_cap->cipher.key_sizes, cap->sym.cipher.key_size.min,
-		  cap->sym.cipher.key_size.max,
-		  cap->sym.cipher.key_size.increment);
-		if (vec_len (temp_cap->cipher.key_sizes) > 0)
-		  cap_found = 1;
-	      }
-	    break;
-	  case RTE_CRYPTO_SYM_XFORM_AUTH:
-	    if (cap->sym.auth.algo == temp_cap->auth.algo)
-	      {
-		remove_unsupported_param_size (
-		  &temp_cap->auth.digest_sizes, cap->sym.auth.digest_size.min,
-		  cap->sym.auth.digest_size.max,
-		  cap->sym.auth.digest_size.increment);
-		if (vec_len (temp_cap->auth.digest_sizes) > 0)
-		  cap_found = 1;
-	      }
-	    break;
-	  case RTE_CRYPTO_SYM_XFORM_AEAD:
-	    if (cap->sym.aead.algo == temp_cap->aead.algo)
-	      {
-		remove_unsupported_param_size (
-		  &temp_cap->aead.key_sizes, cap->sym.aead.key_size.min,
-		  cap->sym.aead.key_size.max,
-		  cap->sym.aead.key_size.increment);
-		remove_unsupported_param_size (
-		  &temp_cap->aead.aad_sizes, cap->sym.aead.aad_size.min,
-		  cap->sym.aead.aad_size.max,
-		  cap->sym.aead.aad_size.increment);
-		remove_unsupported_param_size (
-		  &temp_cap->aead.digest_sizes, cap->sym.aead.digest_size.min,
-		  cap->sym.aead.digest_size.max,
-		  cap->sym.aead.digest_size.increment);
-		if (vec_len (temp_cap->aead.key_sizes) > 0 &&
-		    vec_len (temp_cap->aead.aad_sizes) > 0 &&
-		    vec_len (temp_cap->aead.digest_sizes) > 0)
-		  cap_found = 1;
-	      }
-	    break;
-	  default:
-	    break;
-	  }
-      if (cap_found)
-	break;
-      cap++;
-    }
-
-  return cap_found;
-}
-
-static void
-cryptodev_get_common_capabilities ()
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_inst_t *dev_inst;
-  struct rte_cryptodev_info dev_info;
-  u32 previous_dev_id, dev_id;
-  u32 cap_id = 0;
-  u32 param;
-  cryptodev_capability_t tmp_cap;
-  const struct rte_cryptodev_capabilities *cap;
-  const struct rte_cryptodev_capabilities *dev_caps;
-
-  if (vec_len (cmt->cryptodev_inst) == 0)
-    return;
-  dev_inst = vec_elt_at_index (cmt->cryptodev_inst, 0);
-  rte_cryptodev_info_get (dev_inst->dev_id, &dev_info);
-  cap = &dev_info.capabilities[0];
-
-  /*init capabilities vector*/
-  while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
-    {
-      ASSERT (cap->op == RTE_CRYPTO_OP_TYPE_SYMMETRIC);
-      tmp_cap.xform_type = cap->sym.xform_type;
-      switch (cap->sym.xform_type)
-	{
-	case RTE_CRYPTO_SYM_XFORM_CIPHER:
-	  tmp_cap.cipher.key_sizes = 0;
-	  tmp_cap.cipher.algo = cap->sym.cipher.algo;
-	  for (param = cap->sym.cipher.key_size.min;
-	       param <= cap->sym.cipher.key_size.max;
-	       param += cap->sym.cipher.key_size.increment)
-	    {
-	      vec_add1 (tmp_cap.cipher.key_sizes, param);
-	      if (cap->sym.cipher.key_size.increment == 0)
-		break;
-	    }
-	  break;
-	case RTE_CRYPTO_SYM_XFORM_AUTH:
-	  tmp_cap.auth.algo = cap->sym.auth.algo;
-	  tmp_cap.auth.digest_sizes = 0;
-	  for (param = cap->sym.auth.digest_size.min;
-	       param <= cap->sym.auth.digest_size.max;
-	       param += cap->sym.auth.digest_size.increment)
-	    {
-	      vec_add1 (tmp_cap.auth.digest_sizes, param);
-	      if (cap->sym.auth.digest_size.increment == 0)
-		break;
-	    }
-	  break;
-	case RTE_CRYPTO_SYM_XFORM_AEAD:
-	  tmp_cap.aead.key_sizes = 0;
-	  tmp_cap.aead.aad_sizes = 0;
-	  tmp_cap.aead.digest_sizes = 0;
-	  tmp_cap.aead.algo = cap->sym.aead.algo;
-	  for (param = cap->sym.aead.key_size.min;
-	       param <= cap->sym.aead.key_size.max;
-	       param += cap->sym.aead.key_size.increment)
-	    {
-	      vec_add1 (tmp_cap.aead.key_sizes, param);
-	      if (cap->sym.aead.key_size.increment == 0)
-		break;
-	    }
-	  for (param = cap->sym.aead.aad_size.min;
-	       param <= cap->sym.aead.aad_size.max;
-	       param += cap->sym.aead.aad_size.increment)
-	    {
-	      vec_add1 (tmp_cap.aead.aad_sizes, param);
-	      if (cap->sym.aead.aad_size.increment == 0)
-		break;
-	    }
-	  for (param = cap->sym.aead.digest_size.min;
-	       param <= cap->sym.aead.digest_size.max;
-	       param += cap->sym.aead.digest_size.increment)
-	    {
-	      vec_add1 (tmp_cap.aead.digest_sizes, param);
-	      if (cap->sym.aead.digest_size.increment == 0)
-		break;
-	    }
-	  break;
-	default:
-	  break;
-	}
-
-      vec_add1 (cmt->supported_caps, tmp_cap);
-      cap++;
-    }
-
-  while (cap_id < vec_len (cmt->supported_caps))
-    {
-      u32 cap_is_supported = 1;
-      previous_dev_id = cmt->cryptodev_inst->dev_id;
-
-      vec_foreach (dev_inst, cmt->cryptodev_inst)
-	{
-	  dev_id = dev_inst->dev_id;
-	  if (previous_dev_id != dev_id)
-	    {
-	      previous_dev_id = dev_id;
-	      rte_cryptodev_info_get (dev_id, &dev_info);
-	      dev_caps = &dev_info.capabilities[0];
-	      cap_is_supported = cryptodev_remove_unsupported_param_sizes (
-		&cmt->supported_caps[cap_id], dev_caps);
-	      if (!cap_is_supported)
-		{
-		  cryptodev_delete_cap (&cmt->supported_caps, cap_id);
-		  /*no need to check other devices as this one doesn't support
-		   * this temp_cap*/
-		  break;
-		}
-	    }
-	}
-      if (cap_is_supported)
-	cap_id++;
-    }
-}
-
-static int
-cryptodev_probe (vlib_main_t *vm, u32 n_workers)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  u32 n_queues = cryptodev_count_queue (vm->numa_node);
-  u32 i;
-
-  if (n_queues < n_workers)
-    return -1;
-
-  for (i = 0; i < rte_cryptodev_count (); i++)
-    cryptodev_configure (vm, i);
-
-  cryptodev_get_common_capabilities ();
-  vec_sort_with_function(cmt->cryptodev_inst, cryptodev_cmp);
-
-  /* if there is not enough device stop cryptodev */
-  if (vec_len (cmt->cryptodev_inst) < n_workers)
-    return -1;
-
-  return 0;
-}
-
-static void
-cryptodev_get_max_sz (u32 *max_sess_sz, u32 *max_dp_sz)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_inst_t *cinst;
-  u32 max_sess = 0, max_dp = 0;
-
-  vec_foreach (cinst, cmt->cryptodev_inst)
-    {
-      u32 sess_sz = rte_cryptodev_sym_get_private_session_size (cinst->dev_id);
-      u32 dp_sz = rte_cryptodev_get_raw_dp_ctx_size (cinst->dev_id);
-
-      max_sess = clib_max (sess_sz, max_sess);
-      max_dp = clib_max (dp_sz, max_dp);
-    }
-
-  *max_sess_sz = max_sess;
-  *max_dp_sz = max_dp;
-}
-
-static void
-dpdk_disable_cryptodev_engine (vlib_main_t * vm)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  cryptodev_numa_data_t *numa_data;
-  cryptodev_engine_thread_t *ptd;
-
-  vec_validate (cmt->per_numa_data, vm->numa_node);
-  numa_data = vec_elt_at_index (cmt->per_numa_data, vm->numa_node);
-
-  if (numa_data->sess_pool)
-    rte_mempool_free (numa_data->sess_pool);
-  if (numa_data->sess_priv_pool)
-    rte_mempool_free (numa_data->sess_priv_pool);
-
-  vec_foreach (ptd, cmt->per_thread_data)
-    {
-      if (ptd->aad_buf)
-	rte_free (ptd->aad_buf);
-      if (ptd->cached_frame)
-	rte_ring_free (ptd->cached_frame);
-      if (ptd->reset_sess.crypto_sess)
-	{
-	  struct rte_mempool *mp =
-	    rte_mempool_from_obj ((void *) ptd->reset_sess.crypto_sess);
-
-	  rte_mempool_free (mp);
-	  ptd->reset_sess.crypto_sess = 0;
-	}
-    }
-}
-
-static clib_error_t *
-create_reset_sess (cryptodev_engine_thread_t *ptd, u32 lcore, u32 numa,
-		   u32 sess_sz)
-{
-  struct rte_crypto_sym_xform xform = { 0 };
-  struct rte_crypto_aead_xform *aead_xform = &xform.aead;
-  struct rte_cryptodev_sym_session *sess;
-  struct rte_mempool *mp = 0;
-  u8 key[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-  u8 *name = 0;
-  clib_error_t *error = 0;
-
-  /* create session pool for the numa node */
-  name = format (0, "vcryptodev_s_reset_%u_%u", numa, lcore);
-  mp = rte_cryptodev_sym_session_pool_create ((char *) name, 2, sess_sz, 0, 0,
-					      numa);
-  if (!mp)
-    {
-      error = clib_error_return (0, "Not enough memory for mp %s", name);
-      goto error_exit;
-    }
-  vec_free (name);
-
-  xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
-  aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
-  aead_xform->op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
-  aead_xform->aad_length = 8;
-  aead_xform->digest_length = 16;
-  aead_xform->iv.offset = 0;
-  aead_xform->iv.length = 12;
-  aead_xform->key.data = key;
-  aead_xform->key.length = 16;
-
-  sess = rte_cryptodev_sym_session_create (mp);
-  if (!sess)
-    {
-      error = clib_error_return (0, "failed to create session");
-      goto error_exit;
-    }
-
-  if (rte_cryptodev_sym_session_init (ptd->cryptodev_id, sess, &xform, mp) < 0)
-    {
-      error = clib_error_return (0, "failed to create session private");
-      goto error_exit;
-    }
-
-  ptd->reset_sess.crypto_sess = sess;
-
-  return 0;
-
-error_exit:
-  if (mp)
-    rte_mempool_free (mp);
-  if (name)
-    vec_free (name);
-
-  return error;
-}
-
-clib_error_t *
-dpdk_cryptodev_init (vlib_main_t * vm)
-{
-  cryptodev_main_t *cmt = &cryptodev_main;
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-  cryptodev_engine_thread_t *ptd;
-  cryptodev_numa_data_t *numa_data;
-  struct rte_mempool *mp;
-  u32 skip_master = vlib_num_workers () > 0;
-  u32 n_workers = tm->n_vlib_mains - skip_master;
-  u32 numa = vm->numa_node;
-  u32 sess_sz, dp_sz;
-  u32 eidx;
-  u32 i;
-  u8 *name = 0;
-  clib_error_t *error;
-  struct rte_cryptodev_sym_capability_idx cap_auth_idx;
-  struct rte_cryptodev_sym_capability_idx cap_cipher_idx;
-  struct rte_cryptodev_sym_capability_idx cap_aead_idx;
-
-  cmt->iova_mode = rte_eal_iova_mode ();
-
-  vec_validate (cmt->per_numa_data, vm->numa_node);
-
-  /* probe all cryptodev devices and get queue info */
-  if (cryptodev_probe (vm, n_workers) < 0)
-    {
-      error = clib_error_return (0, "Failed to configure cryptodev");
-      goto err_handling;
-    }
-
-  cryptodev_get_max_sz (&sess_sz, &dp_sz);
-
-  clib_bitmap_vec_validate (cmt->active_cdev_inst_mask, tm->n_vlib_mains);
-  clib_spinlock_init (&cmt->tlock);
-
-  vec_validate_aligned(cmt->per_thread_data, tm->n_vlib_mains - 1,
-		       CLIB_CACHE_LINE_BYTES);
-  for (i = skip_master; i < tm->n_vlib_mains; i++)
-    {
-      ptd = cmt->per_thread_data + i;
-      numa = vlib_get_main_by_index (i)->numa_node;
-
-      ptd->aad_buf = rte_zmalloc_socket (0, CRYPTODEV_NB_CRYPTO_OPS *
-					 CRYPTODEV_MAX_AAD_SIZE,
-					 CLIB_CACHE_LINE_BYTES,
-					 numa);
-
-      if (ptd->aad_buf == 0)
-	{
-	  error = clib_error_return (0, "Failed to alloc aad buf");
-	  goto err_handling;
-	}
-
-      ptd->aad_phy_addr = rte_malloc_virt2iova (ptd->aad_buf);
-
-      ptd->ctx = rte_zmalloc_socket (0, dp_sz, CLIB_CACHE_LINE_BYTES, numa);
-      if (!ptd->ctx)
-	{
-	  error = clib_error_return (0, "Failed to alloc raw dp ctx");
-	  goto err_handling;
-	}
-
-      name = format (0, "cache_frame_ring_%u%u", numa, i);
-      ptd->cached_frame = rte_ring_create ((char *)name,
-					   CRYPTODEV_DEQ_CACHE_SZ, numa,
-					   RING_F_SC_DEQ | RING_F_SP_ENQ);
-
-      if (ptd->cached_frame == 0)
-	{
-	  error = clib_error_return (0, "Failed to alloc frame ring");
-	  goto err_handling;
-	}
-      vec_free (name);
-
-      vec_validate (cmt->per_numa_data, numa);
-      numa_data = vec_elt_at_index (cmt->per_numa_data, numa);
-
-      if (!numa_data->sess_pool)
-	{
-	  /* create session pool for the numa node */
-	  name = format (0, "vcryptodev_sess_pool_%u%c", numa, 0);
-	  mp = rte_cryptodev_sym_session_pool_create (
-	    (char *) name, CRYPTODEV_NB_SESSION, 0, 0, 0, numa);
-	  if (!mp)
-	    {
-	      error =
-		clib_error_return (0, "Not enough memory for mp %s", name);
-	      goto err_handling;
-	    }
-	  vec_free (name);
-
-	  numa_data->sess_pool = mp;
-
-	  /* create session private pool for the numa node */
-	  name = format (0, "cryptodev_sess_pool_%u%c", numa, 0);
-	  mp =
-	    rte_mempool_create ((char *) name, CRYPTODEV_NB_SESSION, sess_sz,
-				0, 0, NULL, NULL, NULL, NULL, numa, 0);
-	  if (!mp)
-	    {
-	      error =
-		clib_error_return (0, "Not enough memory for mp %s", name);
-	      vec_free (name);
-	      goto err_handling;
-	    }
-
-	  vec_free (name);
-
-	  numa_data->sess_priv_pool = mp;
-	}
-
-      error = create_reset_sess (ptd, i, numa, sess_sz);
-      if (error)
-	goto err_handling;
-
-      cryptodev_assign_resource (ptd, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO);
-    }
-
-  /* register handler */
-  eidx = vnet_crypto_register_engine (vm, "dpdk_cryptodev", 100,
-				      "DPDK Cryptodev Engine");
-
-#define _(a, b, c, d, e, f, g)                                                \
-  cap_aead_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;                              \
-  cap_aead_idx.algo.aead = RTE_CRYPTO_##b##_##c;                              \
-  if (cryptodev_check_cap_support (&cap_aead_idx, g, e, f))                   \
-    {                                                                         \
-      vnet_crypto_register_async_handler (                                    \
-	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC,                 \
-	cryptodev_enqueue_gcm_aad_##f##_enc, cryptodev_frame_dequeue);        \
-      vnet_crypto_register_async_handler (                                    \
-	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC,                 \
-	cryptodev_enqueue_gcm_aad_##f##_dec, cryptodev_frame_dequeue);        \
-    }
-
-  foreach_vnet_aead_crypto_conversion
-#undef _
-/* clang-format off */
-#define _(a, b, c, d, e)                                                      \
-  cap_auth_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;                              \
-  cap_auth_idx.algo.auth = RTE_CRYPTO_AUTH_##d##_HMAC;                        \
-  cap_cipher_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;                          \
-  cap_cipher_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b;                         \
-  if (cryptodev_check_cap_support (&cap_cipher_idx, c, -1, -1) &&             \
-      cryptodev_check_cap_support (&cap_auth_idx, -1, e, -1))                 \
-    {                                                                         \
-      vnet_crypto_register_async_handler (                                    \
-	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_ENC,                    \
-	cryptodev_enqueue_linked_alg_enc, cryptodev_frame_dequeue);           \
-      vnet_crypto_register_async_handler (                                    \
-	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_DEC,                    \
-	cryptodev_enqueue_linked_alg_dec, cryptodev_frame_dequeue);           \
-    }
-
-    foreach_cryptodev_link_async_alg
-#undef _
-
-  vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler);
-  /* clang-format on */
-
-  /* this engine is only enabled when cryptodev device(s) are presented in
-   * startup.conf. Assume it is wanted to be used, turn on async mode here.
-   */
-  vnet_crypto_request_async_mode (1);
-  ipsec_set_async_mode (1);
-
-  return 0;
-
-err_handling:
-  dpdk_disable_cryptodev_engine (vm);
-
-  return error;
-}
-/* *INDENT-On* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
new file mode 100644
index 00000000000..86f8e041f9e
--- /dev/null
+++ b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
@@ -0,0 +1,601 @@
+
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2019 - 2021 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/crypto/crypto.h>
+
+#include <dpdk/buffer.h>
+#include <dpdk/device/dpdk.h>
+#include <dpdk/device/dpdk_priv.h>
+#undef always_inline
+#include <rte_bus_vdev.h>
+#include <rte_cryptodev.h>
+#include <rte_crypto_sym.h>
+#include <rte_crypto.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_ring_peek_zc.h>
+#include <rte_config.h>
+
+#include "cryptodev.h"
+
+#if CLIB_DEBUG > 0
+#define always_inline static inline
+#else
+#define always_inline static inline __attribute__ ((__always_inline__))
+#endif
+
+#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
+
+#define foreach_vnet_crypto_status_conversion                                 \
+  _ (SUCCESS, COMPLETED)                                                      \
+  _ (NOT_PROCESSED, WORK_IN_PROGRESS)                                         \
+  _ (AUTH_FAILED, FAIL_BAD_HMAC)                                              \
+  _ (INVALID_SESSION, FAIL_ENGINE_ERR)                                        \
+  _ (INVALID_ARGS, FAIL_ENGINE_ERR)                                           \
+  _ (ERROR, FAIL_ENGINE_ERR)
+
+static const vnet_crypto_op_status_t cryptodev_status_conversion[] = {
+#define _(a, b) VNET_CRYPTO_OP_STATUS_##b,
+  foreach_vnet_crypto_status_conversion
+#undef _
+};
+
+static_always_inline rte_iova_t
+cryptodev_get_iova (clib_pmalloc_main_t *pm, enum rte_iova_mode mode,
+		    void *data)
+{
+  u64 index;
+  if (mode == RTE_IOVA_VA)
+    return (rte_iova_t) pointer_to_uword (data);
+
+  index = clib_pmalloc_get_page_index (pm, data);
+  return pointer_to_uword (data) - pm->lookup_table[index];
+}
+
+static_always_inline void
+cryptodev_validate_mbuf_chain (vlib_main_t *vm, struct rte_mbuf *mb,
+			       vlib_buffer_t *b)
+{
+  struct rte_mbuf *first_mb = mb, *last_mb = mb; /**< last mbuf */
+  /* when input node is not dpdk, mbuf data len is not initialized, for
+   * single buffer it is not a problem since the data length is written
+   * into cryptodev operation. For chained buffer a reference data length
+   * has to be computed through vlib_buffer.
+   *
+   * even when input node is dpdk, it is possible chained vlib_buffers
+   * are updated (either added or removed a buffer) but not not mbuf fields.
+   * we have to re-link every mbuf in the chain.
+   */
+  u16 data_len = b->current_length +
+		 (b->data + b->current_data - rte_pktmbuf_mtod (mb, u8 *));
+
+  first_mb->nb_segs = 1;
+  first_mb->pkt_len = first_mb->data_len = data_len;
+
+  while (b->flags & VLIB_BUFFER_NEXT_PRESENT)
+    {
+      b = vlib_get_buffer (vm, b->next_buffer);
+      mb = rte_mbuf_from_vlib_buffer (b);
+      if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0))
+	rte_pktmbuf_reset (mb);
+      last_mb->next = mb;
+      last_mb = mb;
+      mb->data_len = b->current_length;
+      mb->pkt_len = b->current_length;
+      mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data;
+      first_mb->nb_segs++;
+      if (PREDICT_FALSE (b->ref_count > 1))
+	mb->pool =
+	  dpdk_no_cache_mempool_by_buffer_pool_index[b->buffer_pool_index];
+    }
+}
+
+static_always_inline void
+crypto_op_init (struct rte_mempool *mempool,
+		void *_arg __attribute__ ((unused)), void *_obj,
+		unsigned i __attribute__ ((unused)))
+{
+  struct rte_crypto_op *op = _obj;
+
+  op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
+  op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+  op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+  op->phys_addr = rte_mempool_virt2iova (_obj);
+  op->mempool = mempool;
+}
+
+static_always_inline int
+cryptodev_frame_linked_algs_enqueue (vlib_main_t *vm,
+				     vnet_crypto_async_frame_t *frame,
+				     cryptodev_op_type_t op_type)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  vnet_crypto_async_frame_elt_t *fe;
+  struct rte_cryptodev_sym_session *sess = 0;
+  cryptodev_op_t **cop;
+  u32 *bi;
+  u32 n_enqueue, n_elts;
+  u32 last_key_index = ~0;
+
+  if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0))
+    return -1;
+  n_elts = frame->n_elts;
+
+  if (PREDICT_FALSE (CRYPTODEV_NB_CRYPTO_OPS - cet->inflight < n_elts))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  if (PREDICT_FALSE (
+	rte_mempool_get_bulk (cet->cop_pool, (void **) cet->cops, n_elts) < 0))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  cop = cet->cops;
+  fe = frame->elts;
+  bi = frame->buffer_indices;
+  cop[0]->frame = frame;
+  cop[0]->n_elts = n_elts;
+
+  while (n_elts)
+    {
+      vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
+      struct rte_crypto_sym_op *sop = &cop[0]->sop;
+      i16 crypto_offset = fe->crypto_start_offset;
+      i16 integ_offset = fe->integ_start_offset;
+      u32 offset_diff = crypto_offset - integ_offset;
+
+      if (n_elts > 2)
+	{
+	  CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE);
+	  CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE);
+	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
+	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
+	}
+      if (last_key_index != fe->key_index)
+	{
+	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
+	  last_key_index = fe->key_index;
+
+	  if (key->keys[vm->numa_node][op_type] == 0)
+	    {
+	      if (PREDICT_FALSE (
+		    cryptodev_session_create (vm, last_key_index, 0) < 0))
+		{
+		  cryptodev_mark_frame_err_status (
+		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+		  return -1;
+		}
+	    }
+	  sess = key->keys[vm->numa_node][op_type];
+	}
+
+      sop->m_src = rte_mbuf_from_vlib_buffer (b);
+      sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE;
+      sop->m_dst = 0;
+      /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes,
+       * so we have to manually adjust mbuf data_off here so cryptodev can
+       * correctly compute the data pointer. The prepend here will be later
+       * rewritten by tx. */
+      if (PREDICT_TRUE (fe->integ_start_offset < 0))
+	{
+	  sop->m_src->data_off += fe->integ_start_offset;
+	  integ_offset = 0;
+	  crypto_offset = offset_diff;
+	}
+      sop->session = sess;
+      sop->cipher.data.offset = crypto_offset;
+      sop->cipher.data.length = fe->crypto_total_length;
+      sop->auth.data.offset = integ_offset;
+      sop->auth.data.length = fe->crypto_total_length + fe->integ_length_adj;
+      sop->auth.digest.data = fe->digest;
+      sop->auth.digest.phys_addr =
+	cryptodev_get_iova (pm, cmt->iova_mode, fe->digest);
+      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
+	cryptodev_validate_mbuf_chain (vm, sop->m_src, b);
+      else
+	/* for input nodes that are not dpdk-input, it is possible the mbuf
+	 * was updated before as one of the chained mbufs. Setting nb_segs
+	 * to 1 here to prevent the cryptodev PMD to access potentially
+	 * invalid m_src->next pointers.
+	 */
+	sop->m_src->nb_segs = 1;
+      clib_memcpy_fast (cop[0]->iv, fe->iv, 16);
+      cop++;
+      bi++;
+      fe++;
+      n_elts--;
+    }
+
+  n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id, cet->cryptodev_q,
+					   (struct rte_crypto_op **) cet->cops,
+					   frame->n_elts);
+  ASSERT (n_enqueue == frame->n_elts);
+  cet->inflight += n_enqueue;
+
+  return 0;
+}
+
+static_always_inline int
+cryptodev_frame_aead_enqueue (vlib_main_t *vm,
+			      vnet_crypto_async_frame_t *frame,
+			      cryptodev_op_type_t op_type, u8 aad_len)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  vnet_crypto_async_frame_elt_t *fe;
+  struct rte_cryptodev_sym_session *sess = 0;
+  cryptodev_op_t **cop;
+  u32 *bi;
+  u32 n_enqueue = 0, n_elts;
+  u32 last_key_index = ~0;
+
+  if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0))
+    return -1;
+  n_elts = frame->n_elts;
+
+  if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  if (PREDICT_FALSE (
+	rte_mempool_get_bulk (cet->cop_pool, (void **) cet->cops, n_elts) < 0))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  cop = cet->cops;
+  fe = frame->elts;
+  bi = frame->buffer_indices;
+  cop[0]->frame = frame;
+  cop[0]->n_elts = n_elts;
+
+  while (n_elts)
+    {
+      vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
+      struct rte_crypto_sym_op *sop = &cop[0]->sop;
+      u16 crypto_offset = fe->crypto_start_offset;
+
+      if (n_elts > 2)
+	{
+	  CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE);
+	  CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE);
+	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
+	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
+	}
+      if (last_key_index != fe->key_index)
+	{
+	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
+
+	  last_key_index = fe->key_index;
+	  if (key->keys[vm->numa_node][op_type] == 0)
+	    {
+	      if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index,
+							   aad_len) < 0))
+		{
+		  cryptodev_mark_frame_err_status (
+		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+		  return -1;
+		}
+	    }
+	  else if (PREDICT_FALSE (
+		     key->keys[vm->numa_node][op_type]->opaque_data !=
+		     aad_len))
+	    {
+	      cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
+				      fe->key_index, aad_len);
+	      if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index,
+							   aad_len) < 0))
+		{
+		  cryptodev_mark_frame_err_status (
+		    frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+		  return -1;
+		}
+	    }
+
+	  sess = key->keys[vm->numa_node][op_type];
+	}
+
+      sop->m_src = rte_mbuf_from_vlib_buffer (b);
+      sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE;
+      sop->m_dst = 0;
+      /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes,
+       * so we have to manually adjust mbuf data_off here so cryptodev can
+       * correctly compute the data pointer. The prepend here will be later
+       * rewritten by tx. */
+      if (PREDICT_FALSE (fe->crypto_start_offset < 0))
+	{
+	  rte_pktmbuf_prepend (sop->m_src, -fe->crypto_start_offset);
+	  crypto_offset = 0;
+	}
+
+      sop->session = sess;
+      sop->aead.aad.data = cop[0]->aad;
+      sop->aead.aad.phys_addr = cop[0]->op.phys_addr + CRYPTODEV_AAD_OFFSET;
+      sop->aead.data.length = fe->crypto_total_length;
+      sop->aead.data.offset = crypto_offset;
+      sop->aead.digest.data = fe->tag;
+      sop->aead.digest.phys_addr =
+	cryptodev_get_iova (pm, cmt->iova_mode, fe->tag);
+      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
+	cryptodev_validate_mbuf_chain (vm, sop->m_src, b);
+      else
+	/* for input nodes that are not dpdk-input, it is possible the mbuf
+	 * was updated before as one of the chained mbufs. Setting nb_segs
+	 * to 1 here to prevent the cryptodev PMD to access potentially
+	 * invalid m_src->next pointers.
+	 */
+	sop->m_src->nb_segs = 1;
+      clib_memcpy_fast (cop[0]->iv, fe->iv, 12);
+      clib_memcpy_fast (cop[0]->aad, fe->aad, aad_len);
+      cop++;
+      bi++;
+      fe++;
+      n_elts--;
+    }
+
+  n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id, cet->cryptodev_q,
+					   (struct rte_crypto_op **) cet->cops,
+					   frame->n_elts);
+  ASSERT (n_enqueue == frame->n_elts);
+  cet->inflight += n_enqueue;
+
+  return 0;
+}
+
+static_always_inline u16
+cryptodev_ring_deq (struct rte_ring *r, cryptodev_op_t **cops)
+{
+  u16 n, n_elts = 0;
+
+  n = rte_ring_dequeue_bulk_start (r, (void **) cops, 1, 0);
+  rte_ring_dequeue_finish (r, 0);
+  if (!n)
+    return 0;
+
+  n = cops[0]->n_elts;
+  if (rte_ring_count (r) < n)
+    return 0;
+
+  n_elts = rte_ring_sc_dequeue_bulk (r, (void **) cops, n, 0);
+  ASSERT (n_elts == n);
+
+  return n_elts;
+}
+
+static_always_inline vnet_crypto_async_frame_t *
+cryptodev_frame_dequeue (vlib_main_t *vm, u32 *nb_elts_processed,
+			 u32 *enqueue_thread_idx)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  cryptodev_op_t **cop = cet->cops;
+  vnet_crypto_async_frame_elt_t *fe;
+  vnet_crypto_async_frame_t *frame;
+  u32 n_elts, n_completed_ops = rte_ring_count (cet->ring);
+  u32 ss0 = 0, ss1 = 0, ss2 = 0, ss3 = 0; /* sum of status */
+
+  if (cet->inflight)
+    {
+      n_elts = rte_cryptodev_dequeue_burst (
+	cet->cryptodev_id, cet->cryptodev_q,
+	(struct rte_crypto_op **) cet->cops, VNET_CRYPTO_FRAME_SIZE);
+
+      if (n_elts)
+	{
+	  cet->inflight -= n_elts;
+	  n_completed_ops += n_elts;
+
+	  rte_ring_sp_enqueue_burst (cet->ring, (void **) cet->cops, n_elts,
+				     NULL);
+	}
+    }
+
+  if (PREDICT_FALSE (n_completed_ops == 0))
+    return 0;
+
+  n_elts = cryptodev_ring_deq (cet->ring, cop);
+  if (!n_elts)
+    return 0;
+
+  frame = cop[0]->frame;
+  fe = frame->elts;
+
+  while (n_elts > 4)
+    {
+      ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status];
+      ss1 |= fe[1].status = cryptodev_status_conversion[cop[1]->op.status];
+      ss2 |= fe[2].status = cryptodev_status_conversion[cop[2]->op.status];
+      ss3 |= fe[3].status = cryptodev_status_conversion[cop[3]->op.status];
+
+      cop += 4;
+      fe += 4;
+      n_elts -= 4;
+    }
+
+  while (n_elts)
+    {
+      ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status];
+      fe++;
+      cop++;
+      n_elts--;
+    }
+
+  frame->state = (ss0 | ss1 | ss2 | ss3) == VNET_CRYPTO_OP_STATUS_COMPLETED ?
+		   VNET_CRYPTO_FRAME_STATE_SUCCESS :
+		   VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
+
+  rte_mempool_put_bulk (cet->cop_pool, (void **) cet->cops, frame->n_elts);
+  *nb_elts_processed = frame->n_elts;
+  *enqueue_thread_idx = frame->enqueue_thread_index;
+  return frame;
+}
+
+static_always_inline int
+cryptodev_enqueue_aead_aad_8_enc (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT,
+				       8);
+}
+static_always_inline int
+cryptodev_enqueue_aead_aad_12_enc (vlib_main_t *vm,
+				   vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT,
+				       12);
+}
+
+static_always_inline int
+cryptodev_enqueue_aead_aad_8_dec (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT,
+				       8);
+}
+static_always_inline int
+cryptodev_enqueue_aead_aad_12_dec (vlib_main_t *vm,
+				   vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT,
+				       12);
+}
+
+static_always_inline int
+cryptodev_enqueue_linked_alg_enc (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_linked_algs_enqueue (vm, frame,
+					      CRYPTODEV_OP_TYPE_ENCRYPT);
+}
+
+static_always_inline int
+cryptodev_enqueue_linked_alg_dec (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_linked_algs_enqueue (vm, frame,
+					      CRYPTODEV_OP_TYPE_DECRYPT);
+}
+
+clib_error_t *
+cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet;
+  struct rte_cryptodev_sym_capability_idx cap_auth_idx;
+  struct rte_cryptodev_sym_capability_idx cap_cipher_idx;
+  struct rte_cryptodev_sym_capability_idx cap_aead_idx;
+  u8 *name;
+  clib_error_t *error = 0;
+
+  vec_foreach (cet, cmt->per_thread_data)
+    {
+      u32 thread_index = cet - cmt->per_thread_data;
+      u32 numa = vlib_get_main_by_index (thread_index)->numa_node;
+      name = format (0, "vpp_cop_pool_%u_%u", numa, thread_index);
+      cet->cop_pool = rte_mempool_create (
+	(char *) name, CRYPTODEV_NB_CRYPTO_OPS, sizeof (cryptodev_op_t), 0,
+	sizeof (struct rte_crypto_op_pool_private), NULL, NULL, crypto_op_init,
+	NULL, vm->numa_node, 0);
+      if (!cet->cop_pool)
+	{
+	  error = clib_error_return (
+	    0, "Failed to create cryptodev op pool %s", name);
+
+	  goto error_exit;
+	}
+      vec_free (name);
+
+      name = format (0, "frames_ring_%u_%u", numa, thread_index);
+      cet->ring =
+	rte_ring_create ((char *) name, CRYPTODEV_NB_CRYPTO_OPS, vm->numa_node,
+			 RING_F_SP_ENQ | RING_F_SC_DEQ);
+      if (!cet->ring)
+	{
+	  error = clib_error_return (
+	    0, "Failed to create cryptodev op pool %s", name);
+
+	  goto error_exit;
+	}
+      vec_free (name);
+
+      vec_validate (cet->cops, VNET_CRYPTO_FRAME_SIZE - 1);
+    }
+
+    /** INDENT-OFF **/
+#define _(a, b, c, d, e, f, g)                                                \
+  cap_aead_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;                              \
+  cap_aead_idx.algo.aead = RTE_CRYPTO_##b##_##c;                              \
+  if (cryptodev_check_cap_support (&cap_aead_idx, g, e, f))                   \
+    {                                                                         \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC,                 \
+	cryptodev_enqueue_aead_aad_##f##_enc, cryptodev_frame_dequeue);       \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC,                 \
+	cryptodev_enqueue_aead_aad_##f##_dec, cryptodev_frame_dequeue);       \
+    }
+  foreach_vnet_aead_crypto_conversion
+#undef _
+
+#define _(a, b, c, d, e)                                                      \
+  cap_auth_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;                              \
+  cap_auth_idx.algo.auth = RTE_CRYPTO_AUTH_##d##_HMAC;                        \
+  cap_cipher_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;                          \
+  cap_cipher_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b;                         \
+  if (cryptodev_check_cap_support (&cap_cipher_idx, c, -1, -1) &&             \
+      cryptodev_check_cap_support (&cap_auth_idx, -1, e, -1))                 \
+    {                                                                         \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_ENC,                    \
+	cryptodev_enqueue_linked_alg_enc, cryptodev_frame_dequeue);           \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_DEC,                    \
+	cryptodev_enqueue_linked_alg_dec, cryptodev_frame_dequeue);           \
+    }
+    foreach_cryptodev_link_async_alg
+#undef _
+    /** INDENT-ON **/
+
+    return 0;
+
+error_exit:
+  vec_foreach (cet, cmt->per_thread_data)
+    {
+      if (cet->ring)
+	rte_ring_free (cet->ring);
+
+      if (cet->cop_pool)
+	rte_mempool_free (cet->cop_pool);
+    }
+
+  return error;
+}
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
new file mode 100644
index 00000000000..40e020f0b37
--- /dev/null
+++ b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
@@ -0,0 +1,730 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2020 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/plugin/plugin.h>
+#include <vnet/crypto/crypto.h>
+#include <vnet/ipsec/ipsec.h>
+#include <vpp/app/version.h>
+
+#include <dpdk/buffer.h>
+#include <dpdk/device/dpdk.h>
+#include <dpdk/device/dpdk_priv.h>
+#undef always_inline
+#include <rte_bus_vdev.h>
+#include <rte_cryptodev.h>
+#include <rte_crypto_sym.h>
+#include <rte_crypto.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_config.h>
+
+#include "cryptodev.h"
+
+#if CLIB_DEBUG > 0
+#define always_inline static inline
+#else
+#define always_inline static inline __attribute__ ((__always_inline__))
+#endif
+
+static_always_inline u64
+compute_ofs_linked_alg (vnet_crypto_async_frame_elt_t *fe, i16 *min_ofs,
+			u32 *max_end)
+{
+  union rte_crypto_sym_ofs ofs;
+  u32 crypto_end = fe->crypto_start_offset + fe->crypto_total_length;
+  u32 integ_end =
+    fe->integ_start_offset + fe->crypto_total_length + fe->integ_length_adj;
+
+  *min_ofs = clib_min (fe->crypto_start_offset, fe->integ_start_offset);
+  *max_end = clib_max (crypto_end, integ_end);
+
+  ofs.ofs.cipher.head = fe->crypto_start_offset - *min_ofs;
+  ofs.ofs.cipher.tail = *max_end - crypto_end;
+  ofs.ofs.auth.head = fe->integ_start_offset - *min_ofs;
+  ofs.ofs.auth.tail = *max_end - integ_end;
+
+  return ofs.raw;
+}
+
+static_always_inline int
+cryptodev_frame_build_sgl (vlib_main_t *vm, enum rte_iova_mode iova_mode,
+			   struct rte_crypto_vec *data_vec, u16 *n_seg,
+			   vlib_buffer_t *b, u32 size)
+{
+  struct rte_crypto_vec *vec = data_vec + 1;
+  if (vlib_buffer_chain_linearize (vm, b) > CRYPTODEV_MAX_N_SGL)
+    return -1;
+
+  while ((b->flags & VLIB_BUFFER_NEXT_PRESENT) && size)
+    {
+      u32 len;
+      b = vlib_get_buffer (vm, b->next_buffer);
+      len = clib_min (b->current_length, size);
+      vec->base = (void *) vlib_buffer_get_current (b);
+      if (iova_mode == RTE_IOVA_VA)
+	vec->iova = pointer_to_uword (vec->base);
+      else
+	vec->iova = vlib_buffer_get_current_pa (vm, b);
+      vec->len = len;
+      size -= len;
+      vec++;
+      *n_seg += 1;
+    }
+
+  if (size)
+    return -1;
+
+  return 0;
+}
+
+static_always_inline void
+cryptodev_reset_ctx (cryptodev_engine_thread_t *cet)
+{
+  union rte_cryptodev_session_ctx sess_ctx;
+
+  ASSERT (cet->reset_sess != 0);
+
+  sess_ctx.crypto_sess = cet->reset_sess;
+
+  rte_cryptodev_configure_raw_dp_ctx (cet->cryptodev_id, cet->cryptodev_q,
+				      cet->ctx, RTE_CRYPTO_OP_WITH_SESSION,
+				      sess_ctx, 0);
+}
+
+static_always_inline int
+cryptodev_frame_linked_algs_enqueue (vlib_main_t *vm,
+				     vnet_crypto_async_frame_t *frame,
+				     cryptodev_op_type_t op_type)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  vnet_crypto_async_frame_elt_t *fe;
+  vlib_buffer_t **b;
+  struct rte_crypto_vec vec[CRYPTODEV_MAX_N_SGL];
+  struct rte_crypto_va_iova_ptr iv_vec, digest_vec;
+  u32 n_elts;
+  u32 last_key_index = ~0;
+  i16 min_ofs;
+  u32 max_end;
+  u8 is_update = 0;
+  int status;
+
+  n_elts = frame->n_elts;
+
+  if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
+
+  b = cet->b;
+  fe = frame->elts;
+
+  while (n_elts)
+    {
+      union rte_crypto_sym_ofs cofs;
+      u16 n_seg = 1;
+
+      if (n_elts > 2)
+	{
+	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
+	  CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
+	  vlib_prefetch_buffer_header (b[1], LOAD);
+	  vlib_prefetch_buffer_header (b[2], LOAD);
+	}
+
+      if (PREDICT_FALSE (last_key_index != fe->key_index))
+	{
+	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
+	  union rte_cryptodev_session_ctx sess_ctx;
+
+	  if (PREDICT_FALSE (key->keys[vm->numa_node][op_type] == 0))
+	    {
+	      status = cryptodev_session_create (vm, fe->key_index, 0);
+	      if (PREDICT_FALSE (status < 0))
+		goto error_exit;
+	    }
+
+	  /* Borrow a created session to reset session ctx, based on a valid
+	   * assumption that the session reset won't happen until first valid
+	   * packet is processed */
+	  if (PREDICT_FALSE (cet->reset_sess == 0))
+	    cet->reset_sess = key->keys[vm->numa_node][op_type];
+
+	  sess_ctx.crypto_sess = key->keys[vm->numa_node][op_type];
+
+	  status = rte_cryptodev_configure_raw_dp_ctx (
+	    cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
+	    RTE_CRYPTO_OP_WITH_SESSION, sess_ctx, is_update);
+	  if (PREDICT_FALSE (status < 0))
+	    goto error_exit;
+
+	  last_key_index = fe->key_index;
+	  is_update = 1;
+	}
+
+      cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
+
+      vec->len = max_end - min_ofs;
+      if (cmt->iova_mode == RTE_IOVA_VA)
+	{
+	  vec[0].base = (void *) (b[0]->data + min_ofs);
+	  vec[0].iova = pointer_to_uword (b[0]->data) + min_ofs;
+	  iv_vec.va = (void *) fe->iv;
+	  iv_vec.iova = pointer_to_uword (fe->iv);
+	  digest_vec.va = (void *) fe->tag;
+	  digest_vec.iova = pointer_to_uword (fe->tag);
+	}
+      else
+	{
+	  vec[0].base = (void *) (b[0]->data + min_ofs);
+	  vec[0].iova = vlib_buffer_get_pa (vm, b[0]) + min_ofs;
+	  iv_vec.va = (void *) fe->iv;
+	  iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
+	  digest_vec.va = (void *) fe->tag;
+	  digest_vec.iova = vlib_physmem_get_pa (vm, fe->digest);
+	}
+
+      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
+	{
+	  vec[0].len = b[0]->current_data + b[0]->current_length - min_ofs;
+	  if (cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
+					 max_end - min_ofs - vec->len) < 0)
+	    goto error_exit;
+	}
+
+      status = rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
+					  &digest_vec, 0, (void *) frame);
+      if (PREDICT_FALSE (status < 0))
+	goto error_exit;
+
+      b++;
+      fe++;
+      n_elts--;
+    }
+
+  status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
+  if (PREDICT_FALSE (status < 0))
+    {
+      cryptodev_reset_ctx (cet);
+      return -1;
+    }
+
+  cet->inflight += frame->n_elts;
+  return 0;
+
+error_exit:
+  cryptodev_mark_frame_err_status (frame,
+				   VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+  cryptodev_reset_ctx (cet);
+  return -1;
+}
+
+static_always_inline int
+cryptodev_raw_aead_enqueue (vlib_main_t *vm, vnet_crypto_async_frame_t *frame,
+			    cryptodev_op_type_t op_type, u8 aad_len)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  vnet_crypto_async_frame_elt_t *fe;
+  vlib_buffer_t **b;
+  u32 n_elts;
+  union rte_crypto_sym_ofs cofs;
+  struct rte_crypto_vec vec[CRYPTODEV_MAX_N_SGL];
+  struct rte_crypto_va_iova_ptr iv_vec, digest_vec, aad_vec;
+  u32 last_key_index = ~0;
+  u8 is_update = 0;
+  int status;
+
+  n_elts = frame->n_elts;
+
+  if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
+    {
+      cryptodev_mark_frame_err_status (frame,
+				       VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+      return -1;
+    }
+
+  vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
+
+  fe = frame->elts;
+  b = cet->b;
+  cofs.raw = 0;
+
+  while (n_elts)
+    {
+      u32 aad_offset = ((cet->aad_index++) & CRYPTODEV_AAD_MASK) << 4;
+      u16 n_seg = 1;
+
+      if (n_elts > 1)
+	{
+	  CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
+	  vlib_prefetch_buffer_header (b[1], LOAD);
+	}
+
+      if (PREDICT_FALSE (last_key_index != fe->key_index))
+	{
+	  cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
+	  union rte_cryptodev_session_ctx sess_ctx;
+
+	  if (PREDICT_FALSE (key->keys[vm->numa_node][op_type] == 0))
+	    {
+	      status = cryptodev_session_create (vm, fe->key_index, aad_len);
+	      if (PREDICT_FALSE (status < 0))
+		goto error_exit;
+	    }
+
+	  if (PREDICT_FALSE (
+		(u8) key->keys[vm->numa_node][op_type]->opaque_data !=
+		aad_len))
+	    {
+	      cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
+				      fe->key_index, aad_len);
+	      status = cryptodev_session_create (vm, fe->key_index, aad_len);
+	      if (PREDICT_FALSE (status < 0))
+		goto error_exit;
+	    }
+
+	  /* Borrow a created session to reset session ctx, based on a valid
+	   * assumption that the session reset won't happen until first valid
+	   * packet is processed */
+
+	  if (PREDICT_FALSE (cet->reset_sess == 0))
+	    cet->reset_sess = key->keys[vm->numa_node][op_type];
+
+	  sess_ctx.crypto_sess = key->keys[vm->numa_node][op_type];
+
+	  status = rte_cryptodev_configure_raw_dp_ctx (
+	    cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
+	    RTE_CRYPTO_OP_WITH_SESSION, sess_ctx, is_update);
+	  if (PREDICT_FALSE (status < 0))
+	    goto error_exit;
+
+	  last_key_index = fe->key_index;
+	  is_update = 1;
+	}
+
+      if (cmt->iova_mode == RTE_IOVA_VA)
+	{
+	  vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
+	  vec[0].iova = pointer_to_uword (vec[0].base);
+	  vec[0].len = fe->crypto_total_length;
+	  iv_vec.va = (void *) fe->iv;
+	  iv_vec.iova = pointer_to_uword (fe->iv);
+	  digest_vec.va = (void *) fe->tag;
+	  digest_vec.iova = pointer_to_uword (fe->tag);
+	  aad_vec.va = (void *) (cet->aad_buf + aad_offset);
+	  aad_vec.iova = cet->aad_phy_addr + aad_offset;
+	}
+      else
+	{
+	  vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
+	  vec[0].iova =
+	    vlib_buffer_get_pa (vm, b[0]) + fe->crypto_start_offset;
+	  vec[0].len = fe->crypto_total_length;
+	  iv_vec.va = (void *) fe->iv;
+	  iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
+	  aad_vec.va = (void *) (cet->aad_buf + aad_offset);
+	  aad_vec.iova = cet->aad_phy_addr + aad_offset;
+	  digest_vec.va = (void *) fe->tag;
+	  digest_vec.iova = vlib_physmem_get_pa (vm, fe->tag);
+	}
+
+      if (aad_len == 8)
+	*(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
+      else
+	{
+	  /* aad_len == 12 */
+	  *(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
+	  *(u32 *) (cet->aad_buf + aad_offset + 8) = *(u32 *) (fe->aad + 8);
+	}
+
+      if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
+	{
+	  vec[0].len = b[0]->current_data + b[0]->current_length -
+		       fe->crypto_start_offset;
+	  status =
+	    cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
+				       fe->crypto_total_length - vec[0].len);
+	  if (status < 0)
+	    goto error_exit;
+	}
+
+      status =
+	rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
+				   &digest_vec, &aad_vec, (void *) frame);
+      if (PREDICT_FALSE (status < 0))
+	goto error_exit;
+
+      fe++;
+      b++;
+      n_elts--;
+    }
+
+  status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
+  if (PREDICT_FALSE (status < 0))
+    goto error_exit;
+
+  cet->inflight += frame->n_elts;
+
+  return 0;
+
+error_exit:
+  cryptodev_mark_frame_err_status (frame,
+				   VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
+  cryptodev_reset_ctx (cet);
+  return -1;
+}
+
+static_always_inline u32
+cryptodev_get_frame_n_elts (void *frame)
+{
+  vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
+  return f->n_elts;
+}
+
+static_always_inline void
+cryptodev_post_dequeue (void *frame, u32 index, u8 is_op_success)
+{
+  vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
+
+  f->elts[index].status = is_op_success ? VNET_CRYPTO_OP_STATUS_COMPLETED :
+					  VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC;
+}
+
+#define GET_RING_OBJ(r, pos, f)                                               \
+  do                                                                          \
+    {                                                                         \
+      vnet_crypto_async_frame_t **ring = (void *) &r[1];                      \
+      f = ring[(r->cons.head + pos) & r->mask];                               \
+    }                                                                         \
+  while (0)
+
+static_always_inline vnet_crypto_async_frame_t *
+cryptodev_raw_dequeue (vlib_main_t *vm, u32 *nb_elts_processed,
+		       u32 *enqueue_thread_idx)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
+  vnet_crypto_async_frame_t *frame, *frame_ret = 0;
+  u32 n_deq, n_success;
+  u32 n_cached_frame = rte_ring_count (cet->cached_frame), n_room_left;
+  u8 no_job_to_deq = 0;
+  u16 inflight = cet->inflight;
+  int dequeue_status;
+
+  n_room_left = CRYPTODEV_DEQ_CACHE_SZ - n_cached_frame - 1;
+
+  if (n_cached_frame)
+    {
+      u32 i;
+      for (i = 0; i < n_cached_frame; i++)
+	{
+	  vnet_crypto_async_frame_t *f;
+	  void *f_ret;
+	  enum rte_crypto_op_status op_status;
+	  u8 n_left, err, j;
+
+	  GET_RING_OBJ (cet->cached_frame, i, f);
+
+	  if (i < n_cached_frame - 2)
+	    {
+	      vnet_crypto_async_frame_t *f1, *f2;
+	      GET_RING_OBJ (cet->cached_frame, i + 1, f1);
+	      GET_RING_OBJ (cet->cached_frame, i + 2, f2);
+	      CLIB_PREFETCH (f1, CLIB_CACHE_LINE_BYTES, LOAD);
+	      CLIB_PREFETCH (f2, CLIB_CACHE_LINE_BYTES, LOAD);
+	    }
+
+	  n_left = f->state & 0x7f;
+	  err = f->state & 0x80;
+
+	  for (j = f->n_elts - n_left; j < f->n_elts && inflight; j++)
+	    {
+	      int ret;
+	      f_ret = rte_cryptodev_raw_dequeue (cet->ctx, &ret, &op_status);
+
+	      if (!f_ret)
+		break;
+
+	      switch (op_status)
+		{
+		case RTE_CRYPTO_OP_STATUS_SUCCESS:
+		  f->elts[j].status = VNET_CRYPTO_OP_STATUS_COMPLETED;
+		  break;
+		default:
+		  f->elts[j].status = VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR;
+		  err |= 1 << 7;
+		}
+
+	      inflight--;
+	    }
+
+	  if (j == f->n_elts)
+	    {
+	      if (i == 0)
+		{
+		  frame_ret = f;
+		  f->state = err ? VNET_CRYPTO_FRAME_STATE_ELT_ERROR :
+				   VNET_CRYPTO_FRAME_STATE_SUCCESS;
+		}
+	      else
+		{
+		  f->state = f->n_elts - j;
+		  f->state |= err;
+		}
+	      if (inflight)
+		continue;
+	    }
+
+	  /* to here f is not completed dequeued and no more job can be
+	   * dequeued
+	   */
+	  f->state = f->n_elts - j;
+	  f->state |= err;
+	  no_job_to_deq = 1;
+	  break;
+	}
+
+      if (frame_ret)
+	{
+	  rte_ring_sc_dequeue (cet->cached_frame, (void **) &frame_ret);
+	  n_room_left++;
+	}
+    }
+
+  /* no point to dequeue further */
+  if (!inflight || no_job_to_deq || !n_room_left)
+    goto end_deq;
+
+  n_deq = rte_cryptodev_raw_dequeue_burst (
+    cet->ctx, cryptodev_get_frame_n_elts, cryptodev_post_dequeue,
+    (void **) &frame, 0, &n_success, &dequeue_status);
+  if (!n_deq)
+    goto end_deq;
+
+  inflight -= n_deq;
+  no_job_to_deq = n_deq < frame->n_elts;
+  /* we have to cache the frame */
+  if (frame_ret || n_cached_frame || no_job_to_deq)
+    {
+      frame->state = frame->n_elts - n_deq;
+      frame->state |= ((n_success < n_deq) << 7);
+      rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
+      n_room_left--;
+    }
+  else
+    {
+      frame->state = n_success == frame->n_elts ?
+		       VNET_CRYPTO_FRAME_STATE_SUCCESS :
+		       VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
+      frame_ret = frame;
+    }
+
+  /* see if we can dequeue more */
+  while (inflight && n_room_left && !no_job_to_deq)
+    {
+      n_deq = rte_cryptodev_raw_dequeue_burst (
+	cet->ctx, cryptodev_get_frame_n_elts, cryptodev_post_dequeue,
+	(void **) &frame, 0, &n_success, &dequeue_status);
+      if (!n_deq)
+	break;
+      inflight -= n_deq;
+      no_job_to_deq = n_deq < frame->n_elts;
+      frame->state = frame->n_elts - n_deq;
+      frame->state |= ((n_success < n_deq) << 7);
+      rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
+      n_room_left--;
+    }
+
+end_deq:
+  if (inflight < cet->inflight)
+    {
+      int res =
+	rte_cryptodev_raw_dequeue_done (cet->ctx, cet->inflight - inflight);
+      ASSERT (res == 0);
+      cet->inflight = inflight;
+    }
+
+  if (frame_ret)
+    {
+      *nb_elts_processed = frame_ret->n_elts;
+      *enqueue_thread_idx = frame_ret->enqueue_thread_index;
+    }
+
+  return frame_ret;
+}
+
+static_always_inline int
+cryptodev_raw_enq_aead_aad_8_enc (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, 8);
+}
+static_always_inline int
+cryptodev_raw_enq_aead_aad_12_enc (vlib_main_t *vm,
+				   vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, 12);
+}
+
+static_always_inline int
+cryptodev_raw_enq_aead_aad_8_dec (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, 8);
+}
+static_always_inline int
+cryptodev_raw_enq_aead_aad_12_dec (vlib_main_t *vm,
+				   vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, 12);
+}
+
+static_always_inline int
+cryptodev_raw_enq_linked_alg_enc (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_linked_algs_enqueue (vm, frame,
+					      CRYPTODEV_OP_TYPE_ENCRYPT);
+}
+
+static_always_inline int
+cryptodev_raw_enq_linked_alg_dec (vlib_main_t *vm,
+				  vnet_crypto_async_frame_t *frame)
+{
+  return cryptodev_frame_linked_algs_enqueue (vm, frame,
+					      CRYPTODEV_OP_TYPE_DECRYPT);
+}
+
+clib_error_t *
+cryptodev_register_raw_hdl (vlib_main_t *vm, u32 eidx)
+{
+  cryptodev_main_t *cmt = &cryptodev_main;
+  cryptodev_engine_thread_t *cet;
+  cryptodev_inst_t *cinst;
+  struct rte_cryptodev_info info;
+  struct rte_cryptodev_sym_capability_idx cap_auth_idx;
+  struct rte_cryptodev_sym_capability_idx cap_cipher_idx;
+  struct rte_cryptodev_sym_capability_idx cap_aead_idx;
+  u32 support_raw_api = 1, max_ctx_size = 0;
+  clib_error_t *error = 0;
+
+  vec_foreach (cinst, cmt->cryptodev_inst)
+    {
+      u32 ctx_size;
+      rte_cryptodev_info_get (cinst->dev_id, &info);
+      if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP))
+	{
+	  support_raw_api = 0;
+	  break;
+	}
+
+      ctx_size = rte_cryptodev_get_raw_dp_ctx_size (cinst->dev_id);
+      max_ctx_size = clib_max (ctx_size, max_ctx_size);
+    }
+
+  if (!support_raw_api)
+    return cryptodev_register_cop_hdl (vm, eidx);
+
+  vec_foreach (cet, cmt->per_thread_data)
+    {
+      u32 thread_id = cet - cmt->per_thread_data;
+      u32 numa = vlib_get_main_by_index (thread_id)->numa_node;
+      u8 *name = format (0, "cache_frame_ring_%u_%u", numa, thread_id);
+
+      cet->cached_frame =
+	rte_ring_create ((char *) name, CRYPTODEV_DEQ_CACHE_SZ, numa,
+			 RING_F_SC_DEQ | RING_F_SP_ENQ);
+
+      cet->aad_buf = rte_zmalloc_socket (
+	0, CRYPTODEV_NB_CRYPTO_OPS * CRYPTODEV_MAX_AAD_SIZE,
+	CLIB_CACHE_LINE_BYTES, numa);
+      if (cet->aad_buf == 0)
+	{
+	  error = clib_error_return (0, "Failed to alloc aad buf");
+	  goto err_handling;
+	}
+      cet->aad_phy_addr = rte_malloc_virt2iova (cet->aad_buf);
+
+      cet->ctx =
+	rte_zmalloc_socket (0, max_ctx_size, CLIB_CACHE_LINE_BYTES, numa);
+      if (!cet->ctx)
+	{
+	  error = clib_error_return (0, "Failed to alloc raw dp ctx");
+	  goto err_handling;
+	}
+
+      if (cet->cached_frame == 0)
+	{
+	  error = clib_error_return (0, "Failed to alloc frame ring %s", name);
+	  goto err_handling;
+	}
+
+      vec_free (name);
+    }
+
+/** INDENT-OFF **/
+#define _(a, b, c, d, e, f, g)                                                \
+  cap_aead_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD;                              \
+  cap_aead_idx.algo.aead = RTE_CRYPTO_##b##_##c;                              \
+  if (cryptodev_check_cap_support (&cap_aead_idx, g, e, f))                   \
+    {                                                                         \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC,                 \
+	cryptodev_raw_enq_aead_aad_##f##_enc, cryptodev_raw_dequeue);         \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC,                 \
+	cryptodev_raw_enq_aead_aad_##f##_dec, cryptodev_raw_dequeue);         \
+    }
+  foreach_vnet_aead_crypto_conversion
+#undef _
+
+#define _(a, b, c, d, e)                                                      \
+  cap_auth_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH;                              \
+  cap_auth_idx.algo.auth = RTE_CRYPTO_AUTH_##d##_HMAC;                        \
+  cap_cipher_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;                          \
+  cap_cipher_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b;                         \
+  if (cryptodev_check_cap_support (&cap_cipher_idx, c, -1, -1) &&             \
+      cryptodev_check_cap_support (&cap_auth_idx, -1, e, -1))                 \
+    {                                                                         \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_ENC,                    \
+	cryptodev_raw_enq_linked_alg_enc, cryptodev_raw_dequeue);             \
+      vnet_crypto_register_async_handler (                                    \
+	vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_DEC,                    \
+	cryptodev_raw_enq_linked_alg_dec, cryptodev_raw_dequeue);             \
+    }
+    foreach_cryptodev_link_async_alg
+#undef _
+
+      cmt->is_raw_api = 1;
+
+  return 0;
+
+err_handling:
+  vec_foreach (cet, cmt->per_thread_data)
+    {
+      if (cet->cached_frame)
+	rte_ring_free (cet->cached_frame);
+    }
+
+  return error;
+}