+++ /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/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:
- */
Code Review / vpp.git / blobdiff