diff options
Diffstat (limited to 'vnet/vnet/devices/dpdk/ipsec/ipsec.c')
-rw-r--r-- | vnet/vnet/devices/dpdk/ipsec/ipsec.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/vnet/vnet/devices/dpdk/ipsec/ipsec.c b/vnet/vnet/devices/dpdk/ipsec/ipsec.c deleted file mode 100644 index de253f02636..00000000000 --- a/vnet/vnet/devices/dpdk/ipsec/ipsec.c +++ /dev/null @@ -1,313 +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/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: - */ |