From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001 From: sreejith Date: Wed, 29 Mar 2017 01:15:02 -0400 Subject: Added vpp intial source code from master branch 17.01.1 Change-Id: I81bdace6f330825a1746a853766779dfb24765fd Signed-off-by: sreejith --- vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c | 313 +++++++++++++++++++++++++++++++ 1 file changed, 313 insertions(+) create mode 100644 vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c (limited to 'vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c') diff --git a/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c b/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c new file mode 100644 index 00000000..de253f02 --- /dev/null +++ b/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.c @@ -0,0 +1,313 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include + +#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: + */ -- cgit 1.2.3-korg