--- /dev/null
+/*
+ * 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/devices/dpdk/dpdk.h>
+#include <vnet/devices/dpdk/ipsec/ipsec.h>
+#include <vnet/devices/dpdk/ipsec/esp.h>
+#include <vnet/ipsec/ipsec.h>
+
+#define DPDK_CRYPTO_NB_OBJS 2048
+#define DPDK_CRYPTO_CACHE_SIZE 512
+#define DPDK_CRYPTO_PRIV_SIZE 128
+#define DPDK_CRYPTO_N_QUEUE_DESC 512
+#define DPDK_CRYPTO_NB_COPS (1024 * 4)
+
+/*
+ * return:
+ * -1: update failed
+ * 0: already exist
+ * 1: mapped
+ */
+static int
+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 0;
+ }
+ /* *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 1;
+}
+
+/*
+ * return:
+ * -1: error
+ * 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)
+{
+ int mapped;
+ 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;
+
+ mapped = update_qp_data (cwm, cdev_id, qp, is_outbound, &qp_index);
+ if (mapped < 0)
+ return -1;
+
+ data = (uword) qp_index;
+
+ ret = hash_set (cwm->algo_qp_map, key, data);
+ if (!ret)
+ rte_panic ("Failed to insert hash table\n");
+
+ return mapped;
+}
+
+/*
+ * 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++)
+ {
+ int status = 0;
+
+ if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
+ continue;
+
+ if (check_algo_is_supported (j, NULL) != 0)
+ continue;
+
+ status = add_mapping (cwm, cdev_id, qp, is_outbound, i, j);
+ if (status == 1)
+ mapped += 1;
+ if (status < 0)
+ return status;
+ }
+ }
+
+ 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_init (vlib_main_t * vm)
+{
+ 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 (check_cryptodev_queues () < 0)
+ return clib_error_return (0, "not enough cryptodevs for ipsec");
+
+ 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)
+ return clib_error_return (0, "unable to create hash table "
+ "for worker %u",
+ vlib_mains[i]->cpu_index);
+ cwm->algo_qp_map = map;
+ }
+
+ for (is_outbound = 0; is_outbound < 2 && qp < max_nb_qp;
+ is_outbound++)
+ {
+ int mapped = add_cdev_mapping (cwm, &cdev_info,
+ dev_id, qp, is_outbound);
+ if (mapped > 0)
+ qp++;
+
+ if (mapped < 0)
+ return clib_error_return (0,
+ "too many queues for one worker");
+ }
+ }
+
+ 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_OBJS;
+ dev_conf.session_mp.cache_size = DPDK_CRYPTO_CACHE_SIZE;
+
+ ret = rte_cryptodev_configure (dev_id, &dev_conf);
+ if (ret < 0)
+ return clib_error_return (0, "cryptodev %u config error", dev_id);
+
+ 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)
+ return clib_error_return (0, "cryptodev %u qp %u setup error",
+ dev_id, qp);
+ }
+ fprintf (stdout, "%u\t%u\t%u\t%u\n", dev_id, dev_conf.nb_queue_pairs,
+ DPDK_CRYPTO_NB_OBJS, DPDK_CRYPTO_CACHE_SIZE);
+ }
+
+ u32 socket_id = rte_socket_id ();
+
+ vec_validate_aligned (dcm->cop_pools, socket_id, CLIB_CACHE_LINE_BYTES);
+
+ /* pool already exists, nothing to do */
+ if (dcm->cop_pools[socket_id])
+ return 0;
+
+ u8 *pool_name = format (0, "crypto_op_pool_socket%u%c", 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, socket_id);
+ vec_free (pool_name);
+
+ if (!rmp)
+ return clib_error_return (0, "failed to allocate mempool on socket %u",
+ socket_id);
+ dcm->cop_pools[socket_id] = rmp;
+
+ dpdk_esp_init ();
+
+ 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);
+
+ return 0;
+}
+
+VLIB_MAIN_LOOP_ENTER_FUNCTION (dpdk_ipsec_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff