dpdk: be a plugin

Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 430 deletions

diff --git a/src/vnet/devices/dpdk/ipsec/ipsec.c b/src/vnet/devices/dpdk/ipsec/ipsec.c
deleted file mode 100644
index 05c17c995d8..00000000000
--- a/src/vnet/devices/dpdk/ipsec/ipsec.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Copyright (c) 2016 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 <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/api_errno.h>
-#include <vnet/ipsec/ipsec.h>
-#include <vlib/node_funcs.h>
-
-#include <vnet/devices/dpdk/dpdk.h>
-#include <vnet/devices/dpdk/ipsec/ipsec.h>
-#include <vnet/devices/dpdk/ipsec/esp.h>
-
-#define DPDK_CRYPTO_NB_SESS_OBJS  20000
-#define DPDK_CRYPTO_CACHE_SIZE	  512
-#define DPDK_CRYPTO_PRIV_SIZE	  128
-#define DPDK_CRYPTO_N_QUEUE_DESC  1024
-#define DPDK_CRYPTO_NB_COPS	  (1024 * 4)
-
-static int
-add_del_sa_sess (u32 sa_index, u8 is_add)
-{
-  dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
-  crypto_worker_main_t *cwm;
-  u8 skip_master = vlib_num_workers () > 0;
-
-  /* *INDENT-OFF* */
-  vec_foreach (cwm, dcm->workers_main)
-    {
-      crypto_sa_session_t *sa_sess;
-      u8 is_outbound;
-
-      if (skip_master)
-	{
-	  skip_master = 0;
-	  continue;
-	}
-
-      for (is_outbound = 0; is_outbound < 2; is_outbound++)
-	{
-	  if (is_add)
-	    {
-	      pool_get (cwm->sa_sess_d[is_outbound], sa_sess);
-	    }
-	  else
-	    {
-	      u8 dev_id;
-
-	      sa_sess = pool_elt_at_index (cwm->sa_sess_d[is_outbound], sa_index);
-	      dev_id = cwm->qp_data[sa_sess->qp_index].dev_id;
-
-	      if (!sa_sess->sess)
-		continue;
-
-	      if (rte_cryptodev_sym_session_free(dev_id, sa_sess->sess))
-		{
-		  clib_warning("failed to free session");
-		  return -1;
-		}
-	      memset(sa_sess, 0, sizeof(sa_sess[0]));
-	    }
-	}
-    }
-  /* *INDENT-OFF* */
-
-  return 0;
-}
-
-static void
-update_qp_data (crypto_worker_main_t * cwm,
-		u8 cdev_id, u16 qp_id, u8 is_outbound, u16 * idx)
-{
-  crypto_qp_data_t *qpd;
-
-  /* *INDENT-OFF* */
-  vec_foreach_index (*idx, cwm->qp_data)
-    {
-      qpd = vec_elt_at_index(cwm->qp_data, *idx);
-
-      if (qpd->dev_id == cdev_id && qpd->qp_id == qp_id &&
-	  qpd->is_outbound == is_outbound)
-	  return;
-    }
-  /* *INDENT-ON* */
-
-  vec_add2 (cwm->qp_data, qpd, 1);
-
-  qpd->dev_id = cdev_id;
-  qpd->qp_id = qp_id;
-  qpd->is_outbound = is_outbound;
-}
-
-/*
- * return:
- * 	0: already exist
- * 	1: mapped
- */
-static int
-add_mapping (crypto_worker_main_t * cwm,
-	     u8 cdev_id, u16 qp, u8 is_outbound,
-	     const struct rte_cryptodev_capabilities *cipher_cap,
-	     const struct rte_cryptodev_capabilities *auth_cap)
-{
-  u16 qp_index;
-  uword key = 0, data, *ret;
-  crypto_worker_qp_key_t *p_key = (crypto_worker_qp_key_t *) & key;
-
-  p_key->cipher_algo = (u8) cipher_cap->sym.cipher.algo;
-  p_key->auth_algo = (u8) auth_cap->sym.auth.algo;
-  p_key->is_outbound = is_outbound;
-
-  ret = hash_get (cwm->algo_qp_map, key);
-  if (ret)
-    return 0;
-
-  update_qp_data (cwm, cdev_id, qp, is_outbound, &qp_index);
-
-  data = (uword) qp_index;
-  hash_set (cwm->algo_qp_map, key, data);
-
-  return 1;
-}
-
-/*
- * return:
- * 	0: already exist
- * 	1: mapped
- */
-static int
-add_cdev_mapping (crypto_worker_main_t * cwm,
-		  struct rte_cryptodev_info *dev_info, u8 cdev_id,
-		  u16 qp, u8 is_outbound)
-{
-  const struct rte_cryptodev_capabilities *i, *j;
-  u32 mapped = 0;
-
-  for (i = dev_info->capabilities; i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++)
-    {
-      if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
-	continue;
-
-      if (check_algo_is_supported (i, NULL) != 0)
-	continue;
-
-      for (j = dev_info->capabilities; j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED;
-	   j++)
-	{
-	  if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
-	    continue;
-
-	  if (check_algo_is_supported (j, NULL) != 0)
-	    continue;
-
-	  mapped |= add_mapping (cwm, cdev_id, qp, is_outbound, i, j);
-	}
-    }
-
-  return mapped;
-}
-
-static int
-check_cryptodev_queues ()
-{
-  u32 n_qs = 0;
-  u8 cdev_id;
-  u32 n_req_qs = 2;
-
-  if (vlib_num_workers () > 0)
-    n_req_qs = vlib_num_workers () * 2;
-
-  for (cdev_id = 0; cdev_id < rte_cryptodev_count (); cdev_id++)
-    {
-      struct rte_cryptodev_info cdev_info;
-
-      rte_cryptodev_info_get (cdev_id, &cdev_info);
-
-      if (!
-	  (cdev_info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
-	continue;
-
-      n_qs += cdev_info.max_nb_queue_pairs;
-    }
-
-  if (n_qs >= n_req_qs)
-    return 0;
-  else
-    return -1;
-}
-
-static clib_error_t *
-dpdk_ipsec_check_support (ipsec_sa_t * sa)
-{
-  if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128)
-    {
-      if (sa->integ_alg != IPSEC_INTEG_ALG_NONE)
-	return clib_error_return (0, "unsupported integ-alg %U with "
-				  "crypto-algo aes-gcm-128",
-				  format_ipsec_integ_alg, sa->integ_alg);
-      sa->integ_alg = IPSEC_INTEG_ALG_AES_GCM_128;
-    }
-  else
-    {
-      if (sa->integ_alg == IPSEC_INTEG_ALG_NONE ||
-	  sa->integ_alg == IPSEC_INTEG_ALG_AES_GCM_128)
-	return clib_error_return (0, "unsupported integ-alg %U",
-				  format_ipsec_integ_alg, sa->integ_alg);
-    }
-
-  return 0;
-}
-
-static uword
-dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
-		    vlib_frame_t * f)
-{
-  dpdk_config_main_t *conf = &dpdk_config_main;
-  ipsec_main_t *im = &ipsec_main;
-  dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-  struct rte_cryptodev_config dev_conf;
-  struct rte_cryptodev_qp_conf qp_conf;
-  struct rte_cryptodev_info cdev_info;
-  struct rte_mempool *rmp;
-  i32 dev_id, ret;
-  u32 i, skip_master;
-
-  if (!conf->cryptodev)
-    {
-      clib_warning ("DPDK Cryptodev support is disabled, "
-		    "default to OpenSSL IPsec");
-      return 0;
-    }
-
-  if (check_cryptodev_queues () < 0)
-    {
-      conf->cryptodev = 0;
-      clib_warning ("not enough Cryptodevs, default to OpenSSL IPsec");
-      return 0;
-    }
-
-  vec_alloc (dcm->workers_main, tm->n_vlib_mains);
-  _vec_len (dcm->workers_main) = tm->n_vlib_mains;
-
-  fprintf (stdout, "DPDK Cryptodevs info:\n");
-  fprintf (stdout, "dev_id\tn_qp\tnb_obj\tcache_size\n");
-  /* HW cryptodevs have higher dev_id, use HW first */
-  for (dev_id = rte_cryptodev_count () - 1; dev_id >= 0; dev_id--)
-    {
-      u16 max_nb_qp, qp = 0;
-      skip_master = vlib_num_workers () > 0;
-
-      rte_cryptodev_info_get (dev_id, &cdev_info);
-
-      if (!
-	  (cdev_info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
-	continue;
-
-      max_nb_qp = cdev_info.max_nb_queue_pairs;
-
-      for (i = 0; i < tm->n_vlib_mains; i++)
-	{
-	  u8 is_outbound;
-	  crypto_worker_main_t *cwm;
-	  uword *map;
-
-	  if (skip_master)
-	    {
-	      skip_master = 0;
-	      continue;
-	    }
-
-	  cwm = vec_elt_at_index (dcm->workers_main, i);
-	  map = cwm->algo_qp_map;
-
-	  if (!map)
-	    {
-	      map = hash_create (0, sizeof (crypto_worker_qp_key_t));
-	      if (!map)
-		{
-		  clib_warning ("unable to create hash table for worker %u",
-				vlib_mains[i]->cpu_index);
-		  goto error;
-		}
-	      cwm->algo_qp_map = map;
-	    }
-
-	  for (is_outbound = 0; is_outbound < 2 && qp < max_nb_qp;
-	       is_outbound++)
-	    qp += add_cdev_mapping (cwm, &cdev_info, dev_id, qp, is_outbound);
-	}
-
-      if (qp == 0)
-	continue;
-
-      dev_conf.socket_id = rte_cryptodev_socket_id (dev_id);
-      dev_conf.nb_queue_pairs = cdev_info.max_nb_queue_pairs;
-      dev_conf.session_mp.nb_objs = DPDK_CRYPTO_NB_SESS_OBJS;
-      dev_conf.session_mp.cache_size = DPDK_CRYPTO_CACHE_SIZE;
-
-      ret = rte_cryptodev_configure (dev_id, &dev_conf);
-      if (ret < 0)
-	{
-	  clib_warning ("cryptodev %u config error", dev_id);
-	  goto error;
-	}
-
-      qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
-      for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++)
-	{
-	  ret = rte_cryptodev_queue_pair_setup (dev_id, qp, &qp_conf,
-						dev_conf.socket_id);
-	  if (ret < 0)
-	    {
-	      clib_warning ("cryptodev %u qp %u setup error", dev_id, qp);
-	      goto error;
-	    }
-	}
-      vec_validate_aligned (dcm->cop_pools, dev_conf.socket_id,
-			    CLIB_CACHE_LINE_BYTES);
-
-      if (!vec_elt (dcm->cop_pools, dev_conf.socket_id))
-	{
-	  u8 *pool_name = format (0, "crypto_op_pool_socket%u%c",
-				  dev_conf.socket_id, 0);
-
-	  rmp = rte_crypto_op_pool_create ((char *) pool_name,
-					   RTE_CRYPTO_OP_TYPE_SYMMETRIC,
-					   DPDK_CRYPTO_NB_COPS *
-					   (1 + vlib_num_workers ()),
-					   DPDK_CRYPTO_CACHE_SIZE,
-					   DPDK_CRYPTO_PRIV_SIZE,
-					   dev_conf.socket_id);
-	  vec_free (pool_name);
-
-	  if (!rmp)
-	    {
-	      clib_warning ("failed to allocate mempool on socket %u",
-			    dev_conf.socket_id);
-	      goto error;
-	    }
-	  vec_elt (dcm->cop_pools, dev_conf.socket_id) = rmp;
-	}
-
-      fprintf (stdout, "%u\t%u\t%u\t%u\n", dev_id, dev_conf.nb_queue_pairs,
-	       DPDK_CRYPTO_NB_SESS_OBJS, DPDK_CRYPTO_CACHE_SIZE);
-    }
-
-  dpdk_esp_init ();
-
-  /* Add new next node and set as default */
-  vlib_node_t *node, *next_node;
-
-  next_node = vlib_get_node_by_name (vm, (u8 *) "dpdk-esp-encrypt");
-  ASSERT (next_node);
-  node = vlib_get_node_by_name (vm, (u8 *) "ipsec-output-ip4");
-  ASSERT (node);
-  im->esp_encrypt_node_index = next_node->index;
-  im->esp_encrypt_next_index =
-    vlib_node_add_next (vm, node->index, next_node->index);
-
-  next_node = vlib_get_node_by_name (vm, (u8 *) "dpdk-esp-decrypt");
-  ASSERT (next_node);
-  node = vlib_get_node_by_name (vm, (u8 *) "ipsec-input-ip4");
-  ASSERT (node);
-  im->esp_decrypt_node_index = next_node->index;
-  im->esp_decrypt_next_index =
-    vlib_node_add_next (vm, node->index, next_node->index);
-
-  im->cb.check_support_cb = dpdk_ipsec_check_support;
-  im->cb.add_del_sa_sess_cb = add_del_sa_sess;
-
-  if (vec_len (vlib_mains) == 0)
-    vlib_node_set_state (&vlib_global_main, dpdk_crypto_input_node.index,
-			 VLIB_NODE_STATE_POLLING);
-  else
-    for (i = 1; i < tm->n_vlib_mains; i++)
-      vlib_node_set_state (vlib_mains[i], dpdk_crypto_input_node.index,
-			   VLIB_NODE_STATE_POLLING);
-
-  /* TODO cryptodev counters */
-
-  return 0;
-
-error:
-  ;
-  crypto_worker_main_t *cwm;
-  struct rte_mempool **mp;
-  /* *INDENT-OFF* */
-  vec_foreach (cwm, dcm->workers_main)
-    hash_free (cwm->algo_qp_map);
-
-  vec_foreach (mp, dcm->cop_pools)
-    {
-      if (mp)
-	rte_mempool_free (mp[0]);
-    }
-  /* *INDENT-ON* */
-  vec_free (dcm->workers_main);
-  vec_free (dcm->cop_pools);
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (dpdk_ipsec_process_node,static) = {
-    .function = dpdk_ipsec_process,
-    .type = VLIB_NODE_TYPE_PROCESS,
-    .name = "dpdk-ipsec-process",
-    .process_log2_n_stack_bytes = 17,
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */