+++ /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.
- */
-#ifndef __DPDK_ESP_H__
-#define __DPDK_ESP_H__
-
-#include <vnet/devices/dpdk/ipsec/ipsec.h>
-#include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/esp.h>
-
-typedef struct
-{
- enum rte_crypto_cipher_algorithm algo;
- u8 key_len;
- u8 iv_len;
-} dpdk_esp_crypto_alg_t;
-
-typedef struct
-{
- enum rte_crypto_auth_algorithm algo;
- u8 trunc_size;
-} dpdk_esp_integ_alg_t;
-
-typedef struct
-{
- dpdk_esp_crypto_alg_t *esp_crypto_algs;
- dpdk_esp_integ_alg_t *esp_integ_algs;
-} dpdk_esp_main_t;
-
-dpdk_esp_main_t dpdk_esp_main;
-
-static_always_inline void
-dpdk_esp_init ()
-{
- dpdk_esp_main_t *em = &dpdk_esp_main;
- dpdk_esp_integ_alg_t *i;
- dpdk_esp_crypto_alg_t *c;
-
- vec_validate (em->esp_crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
-
- c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_128];
- c->algo = RTE_CRYPTO_CIPHER_AES_CBC;
- c->key_len = 16;
- c->iv_len = 16;
-
- c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_192];
- c->algo = RTE_CRYPTO_CIPHER_AES_CBC;
- c->key_len = 24;
- c->iv_len = 16;
-
- c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_256];
- c->algo = RTE_CRYPTO_CIPHER_AES_CBC;
- c->key_len = 32;
- c->iv_len = 16;
-
- c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_GCM_128];
- c->algo = RTE_CRYPTO_CIPHER_AES_GCM;
- c->key_len = 16;
- c->iv_len = 8;
-
- vec_validate (em->esp_integ_algs, IPSEC_INTEG_N_ALG - 1);
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA1_96];
- i->algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
- i->trunc_size = 12;
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_96];
- i->algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
- i->trunc_size = 12;
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_128];
- i->algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
- i->trunc_size = 16;
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_384_192];
- i->algo = RTE_CRYPTO_AUTH_SHA384_HMAC;
- i->trunc_size = 24;
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_512_256];
- i->algo = RTE_CRYPTO_AUTH_SHA512_HMAC;
- i->trunc_size = 32;
-
- i = &em->esp_integ_algs[IPSEC_INTEG_ALG_AES_GCM_128];
- i->algo = RTE_CRYPTO_AUTH_AES_GCM;
- i->trunc_size = 16;
-}
-
-static_always_inline 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_always_inline int
-translate_crypto_algo(ipsec_crypto_alg_t crypto_algo,
- struct rte_crypto_sym_xform *cipher_xform)
-{
- switch (crypto_algo)
- {
- case IPSEC_CRYPTO_ALG_NONE:
- cipher_xform->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
- break;
- case IPSEC_CRYPTO_ALG_AES_CBC_128:
- case IPSEC_CRYPTO_ALG_AES_CBC_192:
- case IPSEC_CRYPTO_ALG_AES_CBC_256:
- cipher_xform->cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
- break;
- case IPSEC_CRYPTO_ALG_AES_GCM_128:
- cipher_xform->cipher.algo = RTE_CRYPTO_CIPHER_AES_GCM;
- break;
- default:
- return -1;
- }
-
- cipher_xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
-
- return 0;
-}
-
-static_always_inline int
-translate_integ_algo(ipsec_integ_alg_t integ_alg,
- struct rte_crypto_sym_xform *auth_xform, int use_esn)
-{
- switch (integ_alg) {
- case IPSEC_INTEG_ALG_NONE:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_NULL;
- auth_xform->auth.digest_length = 0;
- break;
- case IPSEC_INTEG_ALG_SHA1_96:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
- auth_xform->auth.digest_length = 12;
- break;
- case IPSEC_INTEG_ALG_SHA_256_96:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
- auth_xform->auth.digest_length = 12;
- break;
- case IPSEC_INTEG_ALG_SHA_256_128:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
- auth_xform->auth.digest_length = 16;
- break;
- case IPSEC_INTEG_ALG_SHA_384_192:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA384_HMAC;
- auth_xform->auth.digest_length = 24;
- break;
- case IPSEC_INTEG_ALG_SHA_512_256:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA512_HMAC;
- auth_xform->auth.digest_length = 32;
- break;
- case IPSEC_INTEG_ALG_AES_GCM_128:
- auth_xform->auth.algo = RTE_CRYPTO_AUTH_AES_GCM;
- auth_xform->auth.digest_length = 16;
- auth_xform->auth.add_auth_data_length = use_esn? 12 : 8;
- break;
- default:
- return -1;
- }
-
- auth_xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;
-
- return 0;
-}
-
-static_always_inline int
-create_sym_sess(ipsec_sa_t *sa, crypto_sa_session_t *sa_sess, u8 is_outbound)
-{
- u32 cpu_index = os_get_cpu_number();
- dpdk_crypto_main_t * dcm = &dpdk_crypto_main;
- crypto_worker_main_t *cwm = &dcm->workers_main[cpu_index];
- struct rte_crypto_sym_xform cipher_xform = {0};
- struct rte_crypto_sym_xform auth_xform = {0};
- struct rte_crypto_sym_xform *xfs;
- uword key = 0, *data;
- crypto_worker_qp_key_t *p_key = (crypto_worker_qp_key_t *)&key;
-
- if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128)
- {
- sa->crypto_key_len -= 4;
- clib_memcpy(&sa->salt, &sa->crypto_key[sa->crypto_key_len], 4);
- }
- else
- {
- sa->salt = (u32) rand();
- }
-
- cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- cipher_xform.cipher.key.data = sa->crypto_key;
- cipher_xform.cipher.key.length = sa->crypto_key_len;
-
- auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
- auth_xform.auth.key.data = sa->integ_key;
- auth_xform.auth.key.length = sa->integ_key_len;
-
- if (translate_crypto_algo(sa->crypto_alg, &cipher_xform) < 0)
- return -1;
- p_key->cipher_algo = cipher_xform.cipher.algo;
-
- if (translate_integ_algo(sa->integ_alg, &auth_xform, sa->use_esn) < 0)
- return -1;
- p_key->auth_algo = auth_xform.auth.algo;
-
- if (is_outbound)
- {
- cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
- auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
- cipher_xform.next = &auth_xform;
- xfs = &cipher_xform;
- }
- else
- {
- cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
- auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
- auth_xform.next = &cipher_xform;
- xfs = &auth_xform;
- }
-
- p_key->is_outbound = is_outbound;
-
- data = hash_get(cwm->algo_qp_map, key);
- if (!data)
- return -1;
-
- sa_sess->sess =
- rte_cryptodev_sym_session_create(cwm->qp_data[*data].dev_id, xfs);
-
- if (!sa_sess->sess)
- return -1;
-
- sa_sess->qp_index = (u8)*data;
-
- return 0;
-}
-
-#endif /* __DPDK_ESP_H__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
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