Gabriel Oginski
4634d02501
Originally cryptodev doesn't support chacha20-poly1305 with aad length 0. This patch add support in cryptodev for chacha20-poly1305 with aad length 0. This length is using in Wireguard. Type: improvement Signed-off-by: Gabriel Oginski <gabrielx.oginski@intel.com> Change-Id: I0608920bb557d7d071e7f9f37c80cf50bad81dcc
219 lines
7.4 KiB
C
219 lines
7.4 KiB
C
/*
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*------------------------------------------------------------------
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* Copyright (c) 2019 - 2021 Intel and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#ifndef included_cryptodev_h
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#define included_cryptodev_h
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#include <vnet/crypto/crypto.h>
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#undef always_inline
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#include <rte_cryptodev.h>
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#define CRYPTODEV_NB_CRYPTO_OPS 1024
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#define CRYPTODEV_CACHE_QUEUE_SIZE VNET_CRYPTO_FRAME_POOL_SIZE
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#define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1)
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#define CRYPTODEV_MAX_INFLIGHT (CRYPTODEV_NB_CRYPTO_OPS - 1)
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#define CRYPTODEV_AAD_MASK (CRYPTODEV_NB_CRYPTO_OPS - 1)
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#define CRYPTODEV_DEQ_CACHE_SZ 32
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#define CRYPTODEV_NB_SESSION 4096
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#define CRYPTODEV_MAX_IV_SIZE 16
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#define CRYPTODEV_MAX_AAD_SIZE 16
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#define CRYPTODEV_MAX_N_SGL 8 /**< maximum number of segments */
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#define CRYPTODEV_IV_OFFSET (offsetof (cryptodev_op_t, iv))
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#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
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/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
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*/
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#define foreach_vnet_aead_crypto_conversion \
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_ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16) \
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_ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16) \
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_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24) \
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_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24) \
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_ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32) \
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_ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32) \
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_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 0, 32) \
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_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 8, 32) \
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_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 12, 32)
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/**
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* crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
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**/
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#define foreach_cryptodev_link_async_alg \
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_ (AES_128_CBC, AES_CBC, 16, MD5, 12) \
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_ (AES_192_CBC, AES_CBC, 24, MD5, 12) \
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_ (AES_256_CBC, AES_CBC, 32, MD5, 12) \
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_ (AES_128_CBC, AES_CBC, 16, SHA1, 12) \
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_ (AES_192_CBC, AES_CBC, 24, SHA1, 12) \
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_ (AES_256_CBC, AES_CBC, 32, SHA1, 12) \
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_ (AES_128_CBC, AES_CBC, 16, SHA224, 14) \
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_ (AES_192_CBC, AES_CBC, 24, SHA224, 14) \
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_ (AES_256_CBC, AES_CBC, 32, SHA224, 14) \
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_ (AES_128_CBC, AES_CBC, 16, SHA256, 16) \
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_ (AES_192_CBC, AES_CBC, 24, SHA256, 16) \
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_ (AES_256_CBC, AES_CBC, 32, SHA256, 16) \
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_ (AES_128_CBC, AES_CBC, 16, SHA384, 24) \
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_ (AES_192_CBC, AES_CBC, 24, SHA384, 24) \
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_ (AES_256_CBC, AES_CBC, 32, SHA384, 24) \
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_ (AES_128_CBC, AES_CBC, 16, SHA512, 32) \
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_ (AES_192_CBC, AES_CBC, 24, SHA512, 32) \
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_ (AES_256_CBC, AES_CBC, 32, SHA512, 32) \
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_ (AES_128_CTR, AES_CTR, 16, SHA1, 12) \
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_ (AES_192_CTR, AES_CTR, 24, SHA1, 12) \
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_ (AES_256_CTR, AES_CTR, 32, SHA1, 12)
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typedef enum
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{
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CRYPTODEV_OP_TYPE_ENCRYPT = 0,
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CRYPTODEV_OP_TYPE_DECRYPT,
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CRYPTODEV_N_OP_TYPES,
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} cryptodev_op_type_t;
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/* Cryptodev session data, one data per direction per numa */
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typedef struct
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{
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struct rte_cryptodev_sym_session ***keys;
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} cryptodev_key_t;
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/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
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* in favor of vpp vector */
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typedef struct
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{
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enum rte_crypto_sym_xform_type xform_type;
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union
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{
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struct
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{
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enum rte_crypto_auth_algorithm algo; /*auth algo */
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u32 *digest_sizes; /* vector of auth digest sizes */
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} auth;
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struct
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{
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enum rte_crypto_cipher_algorithm algo; /* cipher algo */
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u32 *key_sizes; /* vector of cipher key sizes */
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} cipher;
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struct
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{
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enum rte_crypto_aead_algorithm algo; /* aead algo */
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u32 *key_sizes; /*vector of aead key sizes */
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u32 *aad_sizes; /*vector of aad sizes */
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u32 *digest_sizes; /* vector of aead digest sizes */
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} aead;
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};
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} cryptodev_capability_t;
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/* Cryptodev instance data */
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typedef struct
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{
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u32 dev_id;
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u32 q_id;
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char *desc;
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} cryptodev_inst_t;
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typedef struct
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{
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struct rte_mempool *sess_pool;
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struct rte_mempool *sess_priv_pool;
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} cryptodev_session_pool_t;
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typedef struct
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{
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cryptodev_session_pool_t *sess_pools;
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} cryptodev_numa_data_t;
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typedef struct
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{
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CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
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struct rte_crypto_op op;
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struct rte_crypto_sym_op sop;
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u8 iv[CRYPTODEV_MAX_IV_SIZE];
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u8 aad[CRYPTODEV_MAX_AAD_SIZE];
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vnet_crypto_async_frame_t *frame;
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u32 n_elts;
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} cryptodev_op_t;
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typedef struct
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{
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CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
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vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
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union
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{
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struct
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{
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cryptodev_op_t **cops;
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struct rte_mempool *cop_pool;
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struct rte_ring *ring;
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};
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struct
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{
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struct rte_crypto_raw_dp_ctx *ctx;
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struct rte_ring *cached_frame;
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u16 aad_index;
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u8 *aad_buf;
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u64 aad_phy_addr;
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struct rte_cryptodev_sym_session *reset_sess;
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};
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};
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u16 cryptodev_id;
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u16 cryptodev_q;
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u16 inflight;
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} cryptodev_engine_thread_t;
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typedef struct
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{
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cryptodev_numa_data_t *per_numa_data;
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cryptodev_key_t *keys;
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cryptodev_engine_thread_t *per_thread_data;
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enum rte_iova_mode iova_mode;
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cryptodev_inst_t *cryptodev_inst;
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clib_bitmap_t *active_cdev_inst_mask;
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clib_spinlock_t tlock;
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cryptodev_capability_t *supported_caps;
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u32 sess_sz;
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u32 drivers_cnt;
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u8 is_raw_api;
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} cryptodev_main_t;
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extern cryptodev_main_t cryptodev_main;
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static_always_inline void
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cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t *f,
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vnet_crypto_op_status_t s)
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{
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u32 n_elts = f->n_elts, i;
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for (i = 0; i < n_elts; i++)
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f->elts[i].status = s;
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f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
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}
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int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
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u32 aad_len);
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void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
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vnet_crypto_key_index_t idx, u32 aad_len);
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int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
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u32 key_size, u32 digest_size, u32 aad_size);
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clib_error_t *cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx);
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clib_error_t *__clib_weak cryptodev_register_raw_hdl (vlib_main_t *vm,
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u32 eidx);
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clib_error_t *__clib_weak dpdk_cryptodev_init (vlib_main_t *vm);
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#endif
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