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/*
*------------------------------------------------------------------
* Copyright (c) 2019 - 2021 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 included_cryptodev_h
#define included_cryptodev_h
#include <vnet/crypto/crypto.h>
#undef always_inline
#include <rte_cryptodev.h>
#define CRYPTODEV_NB_CRYPTO_OPS 1024
#define CRYPTODEV_CACHE_QUEUE_SIZE VNET_CRYPTO_FRAME_POOL_SIZE
#define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1)
#define CRYPTODEV_MAX_INFLIGHT (CRYPTODEV_NB_CRYPTO_OPS - 1)
#define CRYPTODEV_AAD_MASK (CRYPTODEV_NB_CRYPTO_OPS - 1)
#define CRYPTODE_ENQ_MAX 64
#define CRYPTODE_DEQ_MAX 64
#define CRYPTODEV_NB_SESSION 4096
#define CRYPTODEV_MAX_IV_SIZE 16
#define CRYPTODEV_MAX_AAD_SIZE 16
#define CRYPTODEV_MAX_N_SGL 8 /**< maximum number of segments */
#define CRYPTODEV_IV_OFFSET (offsetof (cryptodev_op_t, iv))
#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
*/
#define foreach_vnet_aead_crypto_conversion \
_ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16) \
_ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16) \
_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24) \
_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24) \
_ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32) \
_ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32) \
_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 0, 32) \
_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 8, 32) \
_ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 12, 32)
/**
* crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
**/
#define foreach_cryptodev_link_async_alg \
_ (AES_128_CBC, AES_CBC, 16, MD5, 12) \
_ (AES_192_CBC, AES_CBC, 24, MD5, 12) \
_ (AES_256_CBC, AES_CBC, 32, MD5, 12) \
_ (AES_128_CBC, AES_CBC, 16, SHA1, 12) \
_ (AES_192_CBC, AES_CBC, 24, SHA1, 12) \
_ (AES_256_CBC, AES_CBC, 32, SHA1, 12) \
_ (AES_128_CBC, AES_CBC, 16, SHA224, 14) \
_ (AES_192_CBC, AES_CBC, 24, SHA224, 14) \
_ (AES_256_CBC, AES_CBC, 32, SHA224, 14) \
_ (AES_128_CBC, AES_CBC, 16, SHA256, 16) \
_ (AES_192_CBC, AES_CBC, 24, SHA256, 16) \
_ (AES_256_CBC, AES_CBC, 32, SHA256, 16) \
_ (AES_128_CBC, AES_CBC, 16, SHA384, 24) \
_ (AES_192_CBC, AES_CBC, 24, SHA384, 24) \
_ (AES_256_CBC, AES_CBC, 32, SHA384, 24) \
_ (AES_128_CBC, AES_CBC, 16, SHA512, 32) \
_ (AES_192_CBC, AES_CBC, 24, SHA512, 32) \
_ (AES_256_CBC, AES_CBC, 32, SHA512, 32) \
_ (AES_128_CTR, AES_CTR, 16, SHA1, 12) \
_ (AES_192_CTR, AES_CTR, 24, SHA1, 12) \
_ (AES_256_CTR, AES_CTR, 32, SHA1, 12)
typedef enum
{
CRYPTODEV_OP_TYPE_ENCRYPT = 0,
CRYPTODEV_OP_TYPE_DECRYPT,
CRYPTODEV_N_OP_TYPES,
} cryptodev_op_type_t;
#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
typedef void cryptodev_session_t;
#else
typedef struct rte_cryptodev_sym_session cryptodev_session_t;
#endif
/* Cryptodev session data, one data per direction per numa */
typedef struct
{
cryptodev_session_t ***keys;
} cryptodev_key_t;
/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
* in favor of vpp vector */
typedef struct
{
enum rte_crypto_sym_xform_type xform_type;
union
{
struct
{
enum rte_crypto_auth_algorithm algo; /*auth algo */
u32 *digest_sizes; /* vector of auth digest sizes */
} auth;
struct
{
enum rte_crypto_cipher_algorithm algo; /* cipher algo */
u32 *key_sizes; /* vector of cipher key sizes */
} cipher;
struct
{
enum rte_crypto_aead_algorithm algo; /* aead algo */
u32 *key_sizes; /*vector of aead key sizes */
u32 *aad_sizes; /*vector of aad sizes */
u32 *digest_sizes; /* vector of aead digest sizes */
} aead;
};
} cryptodev_capability_t;
/* Cryptodev instance data */
typedef struct
{
u32 dev_id;
u32 q_id;
char *desc;
} cryptodev_inst_t;
typedef struct
{
struct rte_mempool *sess_pool;
#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
struct rte_mempool *sess_priv_pool;
#endif
} cryptodev_session_pool_t;
typedef struct
{
cryptodev_session_pool_t *sess_pools;
} cryptodev_numa_data_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
struct rte_crypto_op op;
struct rte_crypto_sym_op sop;
u8 iv[CRYPTODEV_MAX_IV_SIZE];
u8 aad[CRYPTODEV_MAX_AAD_SIZE];
vnet_crypto_async_frame_t *frame;
u32 n_elts;
} cryptodev_op_t;
typedef struct
{
vnet_crypto_async_frame_t *f;
u8 enqueued;
u8 dequeued;
u8 deq_state;
u8 frame_inflight;
u8 op_type;
u8 aad_len;
u8 n_elts;
u8 reserved;
} cryptodev_async_ring_elt;
typedef struct
{
cryptodev_async_ring_elt frames[VNET_CRYPTO_FRAME_POOL_SIZE];
uint16_t head;
uint16_t tail;
uint16_t enq; /*record the frame currently being enqueued */
uint16_t deq; /*record the frame currently being dequeued */
} cryptodev_async_frame_sw_ring;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
union
{
struct
{
cryptodev_op_t **cops;
struct rte_mempool *cop_pool;
struct rte_ring *ring;
};
struct
{
struct rte_crypto_raw_dp_ctx *ctx;
u16 aad_index;
u8 *aad_buf;
u64 aad_phy_addr;
cryptodev_session_t *reset_sess;
};
};
cryptodev_async_frame_sw_ring frame_ring;
u16 cryptodev_id;
u16 cryptodev_q;
u16 frames_on_ring;
u16 enqueued_not_dequeueq;
u16 deqeued_not_returned;
u16 pending_to_qat;
u16 inflight;
} cryptodev_engine_thread_t;
typedef struct
{
cryptodev_numa_data_t *per_numa_data;
cryptodev_key_t *keys;
cryptodev_engine_thread_t *per_thread_data;
enum rte_iova_mode iova_mode;
cryptodev_inst_t *cryptodev_inst;
clib_bitmap_t *active_cdev_inst_mask;
clib_spinlock_t tlock;
cryptodev_capability_t *supported_caps;
u32 sess_sz;
u32 drivers_cnt;
u8 is_raw_api;
#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
u8 driver_id;
#endif
} cryptodev_main_t;
extern cryptodev_main_t cryptodev_main;
static_always_inline void
cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t *f,
vnet_crypto_op_status_t s,
vnet_crypto_async_frame_state_t fs)
{
u32 n_elts = f->n_elts, i;
for (i = 0; i < n_elts; i++)
f->elts[i].status = s;
f->state = fs;
}
int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
u32 aad_len);
void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
vnet_crypto_key_index_t idx, u32 aad_len);
int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
u32 key_size, u32 digest_size, u32 aad_size);
clib_error_t *cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx);
clib_error_t *__clib_weak cryptodev_register_raw_hdl (vlib_main_t *vm,
u32 eidx);
clib_error_t *__clib_weak dpdk_cryptodev_init (vlib_main_t *vm);
#endif
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