src/plugins/dpdk/cryptodev/cryptodev.h

   1 /*
   2  *------------------------------------------------------------------
   3  * Copyright (c) 2019 - 2021 Intel and/or its affiliates.
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *------------------------------------------------------------------
  16  */
  17 #ifndef included_cryptodev_h
  18 #define included_cryptodev_h
  19
  20 #include <vnet/crypto/crypto.h>
  21 #undef always_inline
  22 #include <rte_cryptodev.h>
  23
  24 #define CRYPTODEV_NB_CRYPTO_OPS    1024
  25 #define CRYPTODEV_CACHE_QUEUE_SIZE VNET_CRYPTO_FRAME_POOL_SIZE
  26 #define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1)
  27 #define CRYPTODEV_MAX_INFLIGHT     (CRYPTODEV_NB_CRYPTO_OPS - 1)
  28 #define CRYPTODEV_AAD_MASK         (CRYPTODEV_NB_CRYPTO_OPS - 1)
  29 #define CRYPTODEV_DEQ_CACHE_SZ     32
  30 #define CRYPTODEV_NB_SESSION       4096
  31 #define CRYPTODEV_MAX_IV_SIZE      16
  32 #define CRYPTODEV_MAX_AAD_SIZE     16
  33 #define CRYPTODEV_MAX_N_SGL        8 /**< maximum number of segments */
  34
  35 #define CRYPTODEV_IV_OFFSET  (offsetof (cryptodev_op_t, iv))
  36 #define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad))
  37
  38 /* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
  39  */
  40 #define foreach_vnet_aead_crypto_conversion                                   \
  41   _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16)                               \
  42   _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16)                              \
  43   _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24)                               \
  44   _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24)                              \
  45   _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32)                               \
  46   _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32)                              \
  47   _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 0, 32)               \
  48   _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 8, 32)               \
  49   _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 12, 32)
  50
  51 /**
  52  * crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
  53  **/
  54 #define foreach_cryptodev_link_async_alg                                      \
  55   _ (AES_128_CBC, AES_CBC, 16, MD5, 12)                                       \
  56   _ (AES_192_CBC, AES_CBC, 24, MD5, 12)                                       \
  57   _ (AES_256_CBC, AES_CBC, 32, MD5, 12)                                       \
  58   _ (AES_128_CBC, AES_CBC, 16, SHA1, 12)                                      \
  59   _ (AES_192_CBC, AES_CBC, 24, SHA1, 12)                                      \
  60   _ (AES_256_CBC, AES_CBC, 32, SHA1, 12)                                      \
  61   _ (AES_128_CBC, AES_CBC, 16, SHA224, 14)                                    \
  62   _ (AES_192_CBC, AES_CBC, 24, SHA224, 14)                                    \
  63   _ (AES_256_CBC, AES_CBC, 32, SHA224, 14)                                    \
  64   _ (AES_128_CBC, AES_CBC, 16, SHA256, 16)                                    \
  65   _ (AES_192_CBC, AES_CBC, 24, SHA256, 16)                                    \
  66   _ (AES_256_CBC, AES_CBC, 32, SHA256, 16)                                    \
  67   _ (AES_128_CBC, AES_CBC, 16, SHA384, 24)                                    \
  68   _ (AES_192_CBC, AES_CBC, 24, SHA384, 24)                                    \
  69   _ (AES_256_CBC, AES_CBC, 32, SHA384, 24)                                    \
  70   _ (AES_128_CBC, AES_CBC, 16, SHA512, 32)                                    \
  71   _ (AES_192_CBC, AES_CBC, 24, SHA512, 32)                                    \
  72   _ (AES_256_CBC, AES_CBC, 32, SHA512, 32)                                    \
  73   _ (AES_128_CTR, AES_CTR, 16, SHA1, 12)                                      \
  74   _ (AES_192_CTR, AES_CTR, 24, SHA1, 12)                                      \
  75   _ (AES_256_CTR, AES_CTR, 32, SHA1, 12)
  76
  77 typedef enum
  78 {
  79   CRYPTODEV_OP_TYPE_ENCRYPT = 0,
  80   CRYPTODEV_OP_TYPE_DECRYPT,
  81   CRYPTODEV_N_OP_TYPES,
  82 } cryptodev_op_type_t;
  83
  84 /* Cryptodev session data, one data per direction per numa */
  85 typedef struct
  86 {
  87   struct rte_cryptodev_sym_session ***keys;
  88 } cryptodev_key_t;
  89
  90 /* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
  91  * in favor of vpp vector */
  92 typedef struct
  93 {
  94   enum rte_crypto_sym_xform_type xform_type;
  95   union
  96   {
  97     struct
  98     {
  99       enum rte_crypto_auth_algorithm algo; /*auth algo */
 100       u32 *digest_sizes;                   /* vector of auth digest sizes */
 101     } auth;
 102     struct
 103     {
 104       enum rte_crypto_cipher_algorithm algo; /* cipher algo */
 105       u32 *key_sizes;                        /* vector of cipher key sizes */
 106     } cipher;
 107     struct
 108     {
 109       enum rte_crypto_aead_algorithm algo; /* aead algo */
 110       u32 *key_sizes;                      /*vector of aead key sizes */
 111       u32 *aad_sizes;                      /*vector of aad sizes */
 112       u32 *digest_sizes;                   /* vector of aead digest sizes */
 113     } aead;
 114   };
 115 } cryptodev_capability_t;
 116
 117 /* Cryptodev instance data */
 118 typedef struct
 119 {
 120   u32 dev_id;
 121   u32 q_id;
 122   char *desc;
 123 } cryptodev_inst_t;
 124
 125 typedef struct
 126 {
 127   struct rte_mempool *sess_pool;
 128   struct rte_mempool *sess_priv_pool;
 129 } cryptodev_session_pool_t;
 130
 131 typedef struct
 132 {
 133   cryptodev_session_pool_t *sess_pools;
 134 } cryptodev_numa_data_t;
 135
 136 typedef struct
 137 {
 138   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 139   struct rte_crypto_op op;
 140   struct rte_crypto_sym_op sop;
 141   u8 iv[CRYPTODEV_MAX_IV_SIZE];
 142   u8 aad[CRYPTODEV_MAX_AAD_SIZE];
 143   vnet_crypto_async_frame_t *frame;
 144   u32 n_elts;
 145 } cryptodev_op_t;
 146
 147 typedef struct
 148 {
 149   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 150   vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
 151   union
 152   {
 153     struct
 154     {
 155       cryptodev_op_t **cops;
 156       struct rte_mempool *cop_pool;
 157       struct rte_ring *ring;
 158     };
 159     struct
 160     {
 161       struct rte_crypto_raw_dp_ctx *ctx;
 162       struct rte_ring *cached_frame;
 163       u16 aad_index;
 164       u8 *aad_buf;
 165       u64 aad_phy_addr;
 166       struct rte_cryptodev_sym_session *reset_sess;
 167     };
 168   };
 169   u16 cryptodev_id;
 170   u16 cryptodev_q;
 171   u16 inflight;
 172 } cryptodev_engine_thread_t;
 173
 174 typedef struct
 175 {
 176   cryptodev_numa_data_t *per_numa_data;
 177   cryptodev_key_t *keys;
 178   cryptodev_engine_thread_t *per_thread_data;
 179   enum rte_iova_mode iova_mode;
 180   cryptodev_inst_t *cryptodev_inst;
 181   clib_bitmap_t *active_cdev_inst_mask;
 182   clib_spinlock_t tlock;
 183   cryptodev_capability_t *supported_caps;
 184   u32 sess_sz;
 185   u32 drivers_cnt;
 186   u8 is_raw_api;
 187 } cryptodev_main_t;
 188
 189 extern cryptodev_main_t cryptodev_main;
 190
 191 static_always_inline void
 192 cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t *f,
 193                                  vnet_crypto_op_status_t s)
 194 {
 195   u32 n_elts = f->n_elts, i;
 196
 197   for (i = 0; i < n_elts; i++)
 198     f->elts[i].status = s;
 199   f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
 200 }
 201
 202 int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
 203                               u32 aad_len);
 204
 205 void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
 206                              vnet_crypto_key_index_t idx, u32 aad_len);
 207
 208 int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
 209                                  u32 key_size, u32 digest_size, u32 aad_size);
 210
 211 clib_error_t *cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx);
 212
 213 clib_error_t *__clib_weak cryptodev_register_raw_hdl (vlib_main_t *vm,
 214                                                       u32 eidx);
 215
 216 clib_error_t *__clib_weak dpdk_cryptodev_init (vlib_main_t *vm);
 217
 218 #endif