misc: Initial changes for stable/2202 branch - vpp

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author	Andrew Yourtchenko <ayourtch@gmail.com>	2022-01-19 13:48:14 +0100
committer	Andrew Yourtchenko <ayourtch@gmail.com>	2022-01-19 13:48:39 +0100
commit	93e5bea2d3b0c324b6b09ee87a922236b2b3eaf9 (patch)
tree	99dd8bb1442e71c4070db9736a8e94eaeb12ea15 /src/plugins/lisp/lisp-cp/packets.c
parent	1c4415bfa5541200cd35211096461dd52e52771d (diff)

misc: Initial changes for stable/2202 branchv22.02-rc1

Change-Id: I23e72a788d6f382601945986c8cb8cfc3bb9da8e Type: docs Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>

Diffstat (limited to 'src/plugins/lisp/lisp-cp/packets.c')

0 files changed, 0 insertions, 0 deletions

/* *------------------------------------------------------------------ * Copyright (c) 2020 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 <vlib/vlib.h> #include <vnet/plugin/plugin.h> #include <vnet/crypto/crypto.h> #include <vnet/ipsec/ipsec.h> #include <vpp/app/version.h> #include <dpdk/buffer.h> #include <dpdk/device/dpdk.h> #include <dpdk/device/dpdk_priv.h> #undef always_inline #include <rte_bus_vdev.h> #include <rte_cryptodev.h> #include <rte_crypto_sym.h> #include <rte_crypto.h> #include <rte_config.h> #include "cryptodev.h" #if CLIB_DEBUG > 0 #define always_inline static inline #else #define always_inline static inline __attribute__ ((__always_inline__)) #endif cryptodev_main_t cryptodev_main; static_always_inline int prepare_aead_xform (struct rte_crypto_sym_xform *xform, cryptodev_op_type_t op_type, const vnet_crypto_key_t *key, u32 aad_len) { struct rte_crypto_aead_xform *aead_xform = &xform->aead; memset (xform, 0, sizeof (*xform)); xform->type = RTE_CRYPTO_SYM_XFORM_AEAD; xform->next = 0; if (key->alg != VNET_CRYPTO_ALG_AES_128_GCM && key->alg != VNET_CRYPTO_ALG_AES_192_GCM && key->alg != VNET_CRYPTO_ALG_AES_256_GCM) return -1; aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM; aead_xform->op = (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) ? RTE_CRYPTO_AEAD_OP_ENCRYPT : RTE_CRYPTO_AEAD_OP_DECRYPT; aead_xform->aad_length = aad_len; aead_xform->digest_length = 16; aead_xform->iv.offset = CRYPTODEV_IV_OFFSET; aead_xform->iv.length = 12; aead_xform->key.data = key->data; aead_xform->key.length = vec_len (key->data); return 0; } static_always_inline int prepare_linked_xform (struct rte_crypto_sym_xform *xforms, cryptodev_op_type_t op_type, const vnet_crypto_key_t *key) { struct rte_crypto_sym_xform *xform_cipher, *xform_auth; vnet_crypto_key_t *key_cipher, *key_auth; enum rte_crypto_cipher_algorithm cipher_algo = ~0; enum rte_crypto_auth_algorithm auth_algo = ~0; u32 digest_len = ~0; key_cipher = vnet_crypto_get_key (key->index_crypto); key_auth = vnet_crypto_get_key (key->index_integ); if (!key_cipher || !key_auth) return -1; if (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) { xform_cipher = xforms; xform_auth = xforms + 1; xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; } else { xform_cipher = xforms + 1; xform_auth = xforms; xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; } xform_cipher->type = RTE_CRYPTO_SYM_XFORM_CIPHER; xform_auth->type = RTE_CRYPTO_SYM_XFORM_AUTH; xforms->next = xforms + 1; switch (key->async_alg) { #define _(a, b, c, d, e) \ case VNET_CRYPTO_ALG_##a##_##d##_TAG##e: \ cipher_algo = RTE_CRYPTO_CIPHER_##b; \ auth_algo = RTE_CRYPTO_AUTH_##d##_HMAC; \ digest_len = e; \ break; foreach_cryptodev_link_async_alg #undef _ default: return -1; } xform_cipher->cipher.algo = cipher_algo; xform_cipher->cipher.key.data = key_cipher->data; xform_cipher->cipher.key.length = vec_len (key_cipher->data); xform_cipher->cipher.iv.length = 16; xform_cipher->cipher.iv.offset = CRYPTODEV_IV_OFFSET; xform_auth->auth.algo = auth_algo; xform_auth->auth.digest_length = digest_len; xform_auth->auth.key.data = key_auth->data; xform_auth->auth.key.length = vec_len (key_auth->data); return 0; } static_always_inline void cryptodev_session_del (struct rte_cryptodev_sym_session *sess) { u32 n_devs, i; if (sess == NULL) return; n_devs = rte_cryptodev_count (); for (i = 0; i < n_devs; i++) rte_cryptodev_sym_session_clear (i, sess); rte_cryptodev_sym_session_free (sess); } static int check_cipher_support (enum rte_crypto_cipher_algorithm algo, u32 key_size) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_capability_t *vcap; u32 *s; vec_foreach (vcap, cmt->supported_caps) { if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER) continue; if (vcap->cipher.algo != algo) continue; vec_foreach (s, vcap->cipher.key_sizes) if (*s == key_size) return 1; } return 0; } static int check_auth_support (enum rte_crypto_auth_algorithm algo, u32 digest_size) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_capability_t *vcap; u32 *s; vec_foreach (vcap, cmt->supported_caps) { if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AUTH) continue; if (vcap->auth.algo != algo) continue; vec_foreach (s, vcap->auth.digest_sizes) if (*s == digest_size) return 1; } return 0; } static_always_inline int check_aead_support (enum rte_crypto_aead_algorithm algo, u32 key_size, u32 digest_size, u32 aad_size) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_capability_t *vcap; u32 *s; u32 key_match = 0, digest_match = 0, aad_match = 0; vec_foreach (vcap, cmt->supported_caps) { if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AEAD) continue; if (vcap->aead.algo != algo) continue; vec_foreach (s, vcap->aead.digest_sizes) if (*s == digest_size) { digest_match = 1; break; } vec_foreach (s, vcap->aead.key_sizes) if (*s == key_size) { key_match = 1; break; } vec_foreach (s, vcap->aead.aad_sizes) if (*s == aad_size) { aad_match = 1; break; } } if (key_match == 1 && digest_match == 1 && aad_match == 1) return 1; return 0; } static_always_inline int cryptodev_check_supported_vnet_alg (vnet_crypto_key_t *key) { u32 matched = 0; if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) { switch (key->async_alg) { #define _(a, b, c, d, e) \ case VNET_CRYPTO_ALG_##a##_##d##_TAG##e: \ if (check_cipher_support (RTE_CRYPTO_CIPHER_##b, c) && \ check_auth_support (RTE_CRYPTO_AUTH_##d##_HMAC, e)) \ return 1; foreach_cryptodev_link_async_alg #undef _ default : return 0; } return 0; } #define _(a, b, c, d, e, f, g) \ if (key->alg == VNET_CRYPTO_ALG_##a) \ { \ if (check_aead_support (RTE_CRYPTO_AEAD_##c, g, e, f)) \ matched++; \ } foreach_vnet_aead_crypto_conversion #undef _ if (matched < 2) return 0; return 1; } void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop, vnet_crypto_key_index_t idx, u32 aad_len) { cryptodev_main_t *cmt = &cryptodev_main; vnet_crypto_key_t *key = vnet_crypto_get_key (idx); cryptodev_key_t *ckey = 0; u32 i; vec_validate (cmt->keys, idx); ckey = vec_elt_at_index (cmt->keys, idx); if (kop == VNET_CRYPTO_KEY_OP_DEL || kop == VNET_CRYPTO_KEY_OP_MODIFY) { if (idx >= vec_len (cmt->keys)) return; vec_foreach_index (i, cmt->per_numa_data) { if (!ckey->keys) continue; if (!ckey->keys[i]) continue; if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]) { cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]); cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT]); CLIB_MEMORY_STORE_BARRIER (); ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT] = 0; ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT] = 0; } } return; } /* create key */ /* do not create session for unsupported alg */ if (cryptodev_check_supported_vnet_alg (key) == 0) return; vec_validate (ckey->keys, vec_len (cmt->per_numa_data) - 1); vec_foreach_index (i, ckey->keys) vec_validate (ckey->keys[i], CRYPTODEV_N_OP_TYPES - 1); } /*static*/ void cryptodev_key_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop, vnet_crypto_key_index_t idx) { cryptodev_sess_handler (vm, kop, idx, 8); } clib_error_t * allocate_session_pools (u32 numa_node, cryptodev_session_pool_t *sess_pools_elt, u32 len) { cryptodev_main_t *cmt = &cryptodev_main; u8 *name; clib_error_t *error = NULL; name = format (0, "vcryptodev_sess_pool_%u_%c", numa_node, len); sess_pools_elt->sess_pool = rte_cryptodev_sym_session_pool_create ( (char *) name, CRYPTODEV_NB_SESSION, 0, 0, 0, numa_node); if (!sess_pools_elt->sess_pool) { error = clib_error_return (0, "Not enough memory for mp %s", name); goto clear_mempools; } vec_free (name); name = format (0, "cryptodev_sess_pool_%u_%c", numa_node, len); sess_pools_elt->sess_priv_pool = rte_mempool_create ( (char *) name, CRYPTODEV_NB_SESSION * (cmt->drivers_cnt), cmt->sess_sz, 0, 0, NULL, NULL, NULL, NULL, numa_node, 0); if (!sess_pools_elt->sess_priv_pool) { error = clib_error_return (0, "Not enough memory for mp %s", name); goto clear_mempools; } vec_free (name); clear_mempools: if (error) { vec_free (name); if (sess_pools_elt->sess_pool) rte_mempool_free (sess_pools_elt->sess_pool); if (sess_pools_elt->sess_priv_pool) rte_mempool_free (sess_pools_elt->sess_priv_pool); return error; } return 0; } int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx, u32 aad_len) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_numa_data_t *numa_data; cryptodev_inst_t *dev_inst; vnet_crypto_key_t *key = vnet_crypto_get_key (idx); struct rte_mempool *sess_pool, *sess_priv_pool; cryptodev_session_pool_t *sess_pools_elt; cryptodev_key_t *ckey = vec_elt_at_index (cmt->keys, idx); struct rte_crypto_sym_xform xforms_enc[2] = { { 0 } }; struct rte_crypto_sym_xform xforms_dec[2] = { { 0 } }; struct rte_cryptodev_sym_session *sessions[CRYPTODEV_N_OP_TYPES] = { 0 }; struct rte_cryptodev_info dev_info; u32 numa_node = vm->numa_node; clib_error_t *error; int ret = 0; u8 found = 0; numa_data = vec_elt_at_index (cmt->per_numa_data, numa_node); clib_spinlock_lock (&cmt->tlock); vec_foreach (sess_pools_elt, numa_data->sess_pools) { if (sess_pools_elt->sess_pool == NULL) { error = allocate_session_pools (numa_node, sess_pools_elt, vec_len (numa_data->sess_pools) - 1); if (error) { ret = -1; goto clear_key; } } if (rte_mempool_avail_count (sess_pools_elt->sess_pool) >= 2) { found = 1; break; } } if (found == 0) { vec_add2 (numa_data->sess_pools, sess_pools_elt, 1); error = allocate_session_pools (numa_node, sess_pools_elt, vec_len (numa_data->sess_pools) - 1); if (error) { ret = -1; goto clear_key; } } sess_pool = sess_pools_elt->sess_pool; sess_priv_pool = sess_pools_elt->sess_priv_pool; sessions[CRYPTODEV_OP_TYPE_ENCRYPT] = rte_cryptodev_sym_session_create (sess_pool); sessions[CRYPTODEV_OP_TYPE_DECRYPT] = rte_cryptodev_sym_session_create (sess_pool); if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) ret = prepare_linked_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key); else ret = prepare_aead_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key, aad_len); if (ret) { ret = -1; goto clear_key; } if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) prepare_linked_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key); else prepare_aead_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key, aad_len); vec_foreach (dev_inst, cmt->cryptodev_inst) { u32 dev_id = dev_inst->dev_id; rte_cryptodev_info_get (dev_id, &dev_info); u32 driver_id = dev_info.driver_id; /* if the session is already configured for the driver type, avoid configuring it again to increase the session data's refcnt */ if (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->sess_data[driver_id].data && sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[driver_id].data) continue; ret = rte_cryptodev_sym_session_init ( dev_id, sessions[CRYPTODEV_OP_TYPE_ENCRYPT], xforms_enc, sess_priv_pool); ret = rte_cryptodev_sym_session_init ( dev_id, sessions[CRYPTODEV_OP_TYPE_DECRYPT], xforms_dec, sess_priv_pool); if (ret < 0) goto clear_key; } sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->opaque_data = aad_len; sessions[CRYPTODEV_OP_TYPE_DECRYPT]->opaque_data = aad_len; CLIB_MEMORY_STORE_BARRIER (); ckey->keys[numa_node][CRYPTODEV_OP_TYPE_ENCRYPT] = sessions[CRYPTODEV_OP_TYPE_ENCRYPT]; ckey->keys[numa_node][CRYPTODEV_OP_TYPE_DECRYPT] = sessions[CRYPTODEV_OP_TYPE_DECRYPT]; clear_key: if (ret != 0) { cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]); cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_DECRYPT]); } clib_spinlock_unlock (&cmt->tlock); return ret; } typedef enum { CRYPTODEV_RESOURCE_ASSIGN_AUTO = 0, CRYPTODEV_RESOURCE_ASSIGN_UPDATE, } cryptodev_resource_assign_op_t; /** * assign a cryptodev resource to a worker. * @param cet: the worker thread data * @param cryptodev_inst_index: if op is "ASSIGN_AUTO" this param is ignored. * @param op: the assignment method. * @return: 0 if successfully, negative number otherwise. **/ static_always_inline int cryptodev_assign_resource (cryptodev_engine_thread_t * cet, u32 cryptodev_inst_index, cryptodev_resource_assign_op_t op) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_inst_t *cinst = 0; uword idx; /* assign resource is only allowed when no inflight op is in the queue */ if (cet->inflight) return -EBUSY; switch (op) { case CRYPTODEV_RESOURCE_ASSIGN_AUTO: if (clib_bitmap_count_set_bits (cmt->active_cdev_inst_mask) >= vec_len (cmt->cryptodev_inst)) return -1; clib_spinlock_lock (&cmt->tlock); idx = clib_bitmap_first_clear (cmt->active_cdev_inst_mask); clib_bitmap_set (cmt->active_cdev_inst_mask, idx, 1); cinst = vec_elt_at_index (cmt->cryptodev_inst, idx); cet->cryptodev_id = cinst->dev_id; cet->cryptodev_q = cinst->q_id; clib_spinlock_unlock (&cmt->tlock); break; case CRYPTODEV_RESOURCE_ASSIGN_UPDATE: /* assigning a used cryptodev resource is not allowed */ if (clib_bitmap_get (cmt->active_cdev_inst_mask, cryptodev_inst_index) == 1) return -EBUSY; vec_foreach_index (idx, cmt->cryptodev_inst) { cinst = cmt->cryptodev_inst + idx; if (cinst->dev_id == cet->cryptodev_id && cinst->q_id == cet->cryptodev_q) break; } /* invalid existing worker resource assignment */ if (idx == vec_len (cmt->cryptodev_inst)) return -EINVAL; clib_spinlock_lock (&cmt->tlock); clib_bitmap_set_no_check (cmt->active_cdev_inst_mask, idx, 0); clib_bitmap_set_no_check (cmt->active_cdev_inst_mask, cryptodev_inst_index, 1); cinst = cmt->cryptodev_inst + cryptodev_inst_index; cet->cryptodev_id = cinst->dev_id; cet->cryptodev_q = cinst->q_id; clib_spinlock_unlock (&cmt->tlock); break; default: return -EINVAL; } return 0; } static u8 * format_cryptodev_inst (u8 * s, va_list * args) { cryptodev_main_t *cmt = &cryptodev_main; u32 inst = va_arg (*args, u32); cryptodev_inst_t *cit = cmt->cryptodev_inst + inst; u32 thread_index = 0; struct rte_cryptodev_info info; rte_cryptodev_info_get (cit->dev_id, &info); s = format (s, "%-25s%-10u", info.device->name, cit->q_id); vec_foreach_index (thread_index, cmt->per_thread_data) { cryptodev_engine_thread_t *cet = cmt->per_thread_data + thread_index; if (vlib_num_workers () > 0 && thread_index == 0) continue; if (cet->cryptodev_id == cit->dev_id && cet->cryptodev_q == cit->q_id) { s = format (s, "%u (%v)\n", thread_index, vlib_worker_threads[thread_index].name); break; } } if (thread_index == vec_len (cmt->per_thread_data)) s = format (s, "%s\n", "free"); return s; } static clib_error_t * cryptodev_show_assignment_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { cryptodev_main_t *cmt = &cryptodev_main; u32 inst; vlib_cli_output (vm, "%-5s%-25s%-10s%s\n", "No.", "Name", "Queue-id", "Assigned-to"); if (vec_len (cmt->cryptodev_inst) == 0) { vlib_cli_output (vm, "(nil)\n"); return 0; } vec_foreach_index (inst, cmt->cryptodev_inst) vlib_cli_output (vm, "%-5u%U", inst, format_cryptodev_inst, inst); if (cmt->is_raw_api) vlib_cli_output (vm, "Cryptodev Data Path API used: RAW Data Path API"); else vlib_cli_output (vm, "Cryptodev Data Path API used: crypto operation API"); return 0; } VLIB_CLI_COMMAND (show_cryptodev_assignment, static) = { .path = "show cryptodev assignment", .short_help = "show cryptodev assignment", .function = cryptodev_show_assignment_fn, }; static clib_error_t * cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_engine_thread_t *cet; unformat_input_t _line_input, *line_input = &_line_input; u32 thread_index, inst_index; u32 thread_present = 0, inst_present = 0; clib_error_t *error = 0; int ret; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "thread %u", &thread_index)) thread_present = 1; else if (unformat (line_input, "resource %u", &inst_index)) inst_present = 1; else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); return error; } } if (!thread_present || !inst_present) { error = clib_error_return (0, "mandatory argument(s) missing"); return error; } if (thread_index == 0 && vlib_num_workers () > 0) { error = clib_error_return (0, "assign crypto resource for master thread"); return error; } if (thread_index > vec_len (cmt->per_thread_data) || inst_index > vec_len (cmt->cryptodev_inst)) { error = clib_error_return (0, "wrong thread id or resource id"); return error; } cet = cmt->per_thread_data + thread_index; ret = cryptodev_assign_resource (cet, inst_index, CRYPTODEV_RESOURCE_ASSIGN_UPDATE); if (ret) { error = clib_error_return (0, "cryptodev_assign_resource returned %d", ret); return error; } return 0; } VLIB_CLI_COMMAND (set_cryptodev_assignment, static) = { .path = "set cryptodev assignment", .short_help = "set cryptodev assignment thread <thread_index> " "resource <inst_index>", .function = cryptodev_set_assignment_fn, }; static u32 cryptodev_count_queue (u32 numa) { struct rte_cryptodev_info info; u32 n_cryptodev = rte_cryptodev_count (); u32 i, q_count = 0; for (i = 0; i < n_cryptodev; i++) { rte_cryptodev_info_get (i, &info); q_count += info.max_nb_queue_pairs; } return q_count; } static int cryptodev_configure (vlib_main_t *vm, u32 cryptodev_id) { struct rte_cryptodev_config cfg; struct rte_cryptodev_info info; cryptodev_main_t *cmt = &cryptodev_main; u32 i; int ret; rte_cryptodev_info_get (cryptodev_id, &info); if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO)) return -1; cfg.socket_id = info.device->numa_node; cfg.nb_queue_pairs = info.max_nb_queue_pairs; rte_cryptodev_configure (cryptodev_id, &cfg); for (i = 0; i < info.max_nb_queue_pairs; i++) { struct rte_cryptodev_qp_conf qp_cfg; qp_cfg.mp_session = 0; qp_cfg.mp_session_private = 0; qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS; ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg, info.device->numa_node); if (ret) { clib_warning ("Cryptodev: Configure device %u queue %u failed %d", cryptodev_id, i, ret); break; } } if (i != info.max_nb_queue_pairs) return -1; /* start the device */ rte_cryptodev_start (cryptodev_id); for (i = 0; i < info.max_nb_queue_pairs; i++) { cryptodev_inst_t *cdev_inst; vec_add2(cmt->cryptodev_inst, cdev_inst, 1); cdev_inst->desc = vec_new (char, strlen (info.device->name) + 10); cdev_inst->dev_id = cryptodev_id; cdev_inst->q_id = i; snprintf (cdev_inst->desc, strlen (info.device->name) + 9, "%s_q%u", info.device->name, i); } return 0; } static int cryptodev_cmp (void *v1, void *v2) { cryptodev_inst_t *a1 = v1; cryptodev_inst_t *a2 = v2; if (a1->q_id > a2->q_id) return 1; if (a1->q_id < a2->q_id) return -1; return 0; } static int cryptodev_supports_param_value (u32 *params, u32 param_value) { u32 *value; vec_foreach (value, params) { if (*value == param_value) return 1; } return 0; } int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx, u32 key_size, u32 digest_size, u32 aad_size) { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_capability_t *cap; vec_foreach (cap, cmt->supported_caps) { if (cap->xform_type != idx->type) continue; if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH && cap->auth.algo == idx->algo.auth && cryptodev_supports_param_value (cap->auth.digest_sizes, digest_size)) return 1; if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER && cap->cipher.algo == idx->algo.cipher && cryptodev_supports_param_value (cap->cipher.key_sizes, key_size)) return 1; if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD && cap->aead.algo == idx->algo.aead && cryptodev_supports_param_value (cap->aead.key_sizes, key_size) && cryptodev_supports_param_value (cap->aead.digest_sizes, digest_size) && cryptodev_supports_param_value (cap->aead.aad_sizes, aad_size)) return 1; } return 0; } static void remove_unsupported_param_size (u32 **param_sizes, u32 param_size_min, u32 param_size_max, u32 increment) { u32 i = 0; u32 cap_param_size; while (i < vec_len (*param_sizes)) { u32 found_param = 0; for (cap_param_size = param_size_min; cap_param_size <= param_size_max; cap_param_size += increment) { if ((*param_sizes)[i] == cap_param_size) { found_param = 1; break; } if (increment == 0) break; } if (!found_param) /* no such param_size in cap so delete this size in temp_cap params */ vec_delete (*param_sizes, 1, i); else i++; } } static void cryptodev_delete_cap (cryptodev_capability_t **temp_caps, u32 temp_cap_id) { cryptodev_capability_t temp_cap = (*temp_caps)[temp_cap_id]; switch (temp_cap.xform_type) { case RTE_CRYPTO_SYM_XFORM_AUTH: vec_free (temp_cap.auth.digest_sizes); break; case RTE_CRYPTO_SYM_XFORM_CIPHER: vec_free (temp_cap.cipher.key_sizes); break; case RTE_CRYPTO_SYM_XFORM_AEAD: vec_free (temp_cap.aead.key_sizes); vec_free (temp_cap.aead.aad_sizes); vec_free (temp_cap.aead.digest_sizes); break; default: break; } vec_delete (*temp_caps, 1, temp_cap_id); } static u32 cryptodev_remove_unsupported_param_sizes ( cryptodev_capability_t *temp_cap, const struct rte_cryptodev_capabilities *dev_caps) { u32 cap_found = 0; const struct rte_cryptodev_capabilities *cap = &dev_caps[0]; while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) { if (cap->sym.xform_type == temp_cap->xform_type) switch (cap->sym.xform_type) { case RTE_CRYPTO_SYM_XFORM_CIPHER: if (cap->sym.cipher.algo == temp_cap->cipher.algo) { remove_unsupported_param_size ( &temp_cap->cipher.key_sizes, cap->sym.cipher.key_size.min, cap->sym.cipher.key_size.max, cap->sym.cipher.key_size.increment); if (vec_len (temp_cap->cipher.key_sizes) > 0) cap_found = 1; } break; case RTE_CRYPTO_SYM_XFORM_AUTH: if (cap->sym.auth.algo == temp_cap->auth.algo) { remove_unsupported_param_size ( &temp_cap->auth.digest_sizes, cap->sym.auth.digest_size.min, cap->sym.auth.digest_size.max, cap->sym.auth.digest_size.increment); if (vec_len (temp_cap->auth.digest_sizes) > 0) cap_found = 1; } break; case RTE_CRYPTO_SYM_XFORM_AEAD: if (cap->sym.aead.algo == temp_cap->aead.algo) { remove_unsupported_param_size ( &temp_cap->aead.key_sizes, cap->sym.aead.key_size.min, cap->sym.aead.key_size.max, cap->sym.aead.key_size.increment); remove_unsupported_param_size ( &temp_cap->aead.aad_sizes, cap->sym.aead.aad_size.min, cap->sym.aead.aad_size.max, cap->sym.aead.aad_size.increment); remove_unsupported_param_size ( &temp_cap->aead.digest_sizes, cap->sym.aead.digest_size.min, cap->sym.aead.digest_size.max, cap->sym.aead.digest_size.increment); if (vec_len (temp_cap->aead.key_sizes) > 0 && vec_len (temp_cap->aead.aad_sizes) > 0 && vec_len (temp_cap->aead.digest_sizes) > 0) cap_found = 1; } break; default: break; } if (cap_found) break; cap++; } return cap_found; } static void cryptodev_get_common_capabilities () { cryptodev_main_t *cmt = &cryptodev_main; cryptodev_inst_t *dev_inst; struct rte_cryptodev_info dev_info; u32 previous_dev_id, dev_id; u32 cap_id = 0; u32 param; cryptodev_capability_t tmp_cap; const struct rte_cryptodev_capabilities *cap; const struct rte_cryptodev_capabilities *dev_caps; clib_memset (&tmp_cap, 0, sizeof (cryptodev_capability_t)); if (vec_len (cmt->cryptodev_inst) == 0) return; dev_inst = vec_elt_at_index (cmt->cryptodev_inst, 0); rte_cryptodev_info_get (dev_inst->dev_id, &dev_info); cap = &dev_info.capabilities[0]; /*init capabilities vector*/ while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) { if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) { cap++; continue; } tmp_cap.xform_type = cap->sym.xform_type; switch (cap->sym.xform_type) { case RTE_CRYPTO_SYM_XFORM_CIPHER: tmp_cap.cipher.key_sizes = 0; tmp_cap.cipher.algo = cap->sym.cipher.algo; for (param = cap->sym.cipher.key_size.min; param <= cap->sym.cipher.key_size.max; param += cap->sym.cipher.key_size.increment) { vec_add1 (tmp_cap.cipher.key_sizes, param); if (cap->sym.cipher.key_size.increment == 0) break; } break; case RTE_CRYPTO_SYM_XFORM_AUTH: tmp_cap.auth.algo = cap->sym.auth.algo; tmp_cap.auth.digest_sizes = 0; for (param = cap->sym.auth.digest_size.min; param <= cap->sym.auth.digest_size.max; param += cap->sym.auth.digest_size.increment) { vec_add1 (tmp_cap.auth.digest_sizes, param); if (cap->sym.auth.digest_size.increment == 0) break; } break; case RTE_CRYPTO_SYM_XFORM_AEAD: tmp_cap.aead.key_sizes = 0; tmp_cap.aead.aad_sizes = 0; tmp_cap.aead.digest_sizes = 0; tmp_cap.aead.algo = cap->sym.aead.algo; for (param = cap->sym.aead.key_size.min; param <= cap->sym.aead.key_size.max; param += cap->sym.aead.key_size.increment) { vec_add1 (tmp_cap.aead.key_sizes, param); if (cap->sym.aead.key_size.increment == 0) break; } for (param = cap->sym.aead.aad_size.min; param <= cap->sym.aead.aad_size.max; param += cap->sym.aead.aad_size.increment) { vec_add1 (tmp_cap.aead.aad_sizes, param); if (cap->sym.aead.aad_size.increment == 0) break; } for (param = cap->sym.aead.digest_size.min; param <= cap->sym.aead.digest_size.max; param += cap->sym.aead.digest_size.increment) { vec_add1 (tmp_cap.aead.digest_sizes, param); if (cap->sym.aead.digest_size.increment == 0) break; } break; default: break; } vec_add1 (cmt->supported_caps, tmp_cap); cap++; } while (cap_id < vec_len (cmt->supported_caps)) { u32 cap_is_supported = 1; previous_dev_id = cmt->cryptodev_inst->dev_id; vec_foreach (dev_inst, cmt->cryptodev_inst) { dev_id = dev_inst->dev_id; if (previous_dev_id != dev_id) { previous_dev_id = dev_id; rte_cryptodev_info_get (dev_id, &dev_info); dev_caps = &dev_info.capabilities[0]; cap_is_supported = cryptodev_remove_unsupported_param_sizes ( &cmt->supported_caps[cap_id], dev_caps); if (!cap_is_supported) { cryptodev_delete_cap (&cmt->supported_caps, cap_id); /*no need to check other devices as this one doesn't support * this temp_cap*/ break; } } } if (cap_is_supported) cap_id++; } } static int cryptodev_probe (vlib_main_t *vm, u32 n_workers) { cryptodev_main_t *cmt = &cryptodev_main; u32 n_queues = cryptodev_count_queue (vm->numa_node); u32 i; if (n_queues < n_workers) return -1; for (i = 0; i < rte_cryptodev_count (); i++) cryptodev_configure (vm, i); if (vec_len (cmt->cryptodev_inst) == 0) return -1; cryptodev_get_common_capabilities (); vec_sort_with_function (cmt->cryptodev_inst, cryptodev_cmp); /* if there is not enough device stop cryptodev */ if (vec_len (cmt->cryptodev_inst) < n_workers) return -1; return 0; } static void is_drv_unique (u32 driver_id, u32 **unique_drivers) { u32 *unique_elt; u8 found = 0; vec_foreach (unique_elt, *unique_drivers) { if (*unique_elt == driver_id) { found = 1; break; } } if (!found) vec_add1 (*unique_drivers, driver_id); } clib_error_t * dpdk_cryptodev_init (vlib_main_t * vm) { cryptodev_main_t *cmt = &cryptodev_main; vlib_thread_main_t *tm = vlib_get_thread_main (); cryptodev_engine_thread_t *cet; cryptodev_numa_data_t *numa_data; cryptodev_inst_t *dev_inst; struct rte_cryptodev_info dev_info; u32 node; u8 nodes = 0; u32 skip_master = vlib_num_workers () > 0; u32 n_workers = tm->n_vlib_mains - skip_master; u32 eidx; u32 i; u32 *unique_drivers = 0; clib_error_t *error; cmt->iova_mode = rte_eal_iova_mode (); clib_bitmap_foreach (node, tm->cpu_socket_bitmap) { if (node >= nodes) nodes = node; } vec_validate (cmt->per_numa_data, nodes); vec_foreach (numa_data, cmt->per_numa_data) { vec_validate (numa_data->sess_pools, 0); } /* probe all cryptodev devices and get queue info */ if (cryptodev_probe (vm, n_workers) < 0) { error = clib_error_return (0, "Not enough cryptodev resources"); goto err_handling; } vec_foreach (dev_inst, cmt->cryptodev_inst) { u32 dev_id = dev_inst->dev_id; rte_cryptodev_info_get (dev_id, &dev_info); u32 driver_id = dev_info.driver_id; is_drv_unique (driver_id, &unique_drivers); u32 sess_sz = rte_cryptodev_sym_get_private_session_size (dev_inst->dev_id); cmt->sess_sz = clib_max (cmt->sess_sz, sess_sz); } cmt->drivers_cnt = vec_len (unique_drivers); vec_free (unique_drivers); clib_bitmap_vec_validate (cmt->active_cdev_inst_mask, tm->n_vlib_mains); clib_spinlock_init (&cmt->tlock); vec_validate_aligned(cmt->per_thread_data, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); for (i = skip_master; i < tm->n_vlib_mains; i++) { cet = cmt->per_thread_data + i; if (cryptodev_assign_resource (cet, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO) < 0) { error = clib_error_return (0, "Failed to configure cryptodev"); goto err_handling; } } /* register handler */ eidx = vnet_crypto_register_engine (vm, "dpdk_cryptodev", 100, "DPDK Cryptodev Engine"); vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler); if (cryptodev_register_raw_hdl) error = cryptodev_register_raw_hdl (vm, eidx); else error = cryptodev_register_cop_hdl (vm, eidx); if (error) goto err_handling; /* this engine is only enabled when cryptodev device(s) are presented in * startup.conf. Assume it is wanted to be used, turn on async mode here. */ vnet_crypto_request_async_mode (1); ipsec_set_async_mode (1); return 0; err_handling: return error; }


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