src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.h

   1 /*
   2  * Copyright (c) 2020 Intel and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <vnet/crypto/crypto.h>
  17
  18 #ifndef __crypto_sw_scheduler_h__
  19 #define __crypto_sw_scheduler_h__
  20
  21 #define CRYPTO_SW_SCHEDULER_QUEUE_SIZE 64
  22 #define CRYPTO_SW_SCHEDULER_QUEUE_MASK (CRYPTO_SW_SCHEDULER_QUEUE_SIZE - 1)
  23
  24 STATIC_ASSERT ((0 == (CRYPTO_SW_SCHEDULER_QUEUE_SIZE &
  25                       (CRYPTO_SW_SCHEDULER_QUEUE_SIZE - 1))),
  26                "CRYPTO_SW_SCHEDULER_QUEUE_SIZE is not pow2");
  27
  28 typedef enum crypto_sw_scheduler_queue_type_t_
  29 {
  30   CRYPTO_SW_SCHED_QUEUE_TYPE_ENCRYPT = 0,
  31   CRYPTO_SW_SCHED_QUEUE_TYPE_DECRYPT,
  32   CRYPTO_SW_SCHED_QUEUE_N_TYPES
  33 } crypto_sw_scheduler_queue_type_t;
  34
  35 typedef struct
  36 {
  37   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  38   u32 head;
  39   u32 tail;
  40   vnet_crypto_async_frame_t **jobs;
  41 } crypto_sw_scheduler_queue_t;
  42
  43 typedef struct
  44 {
  45   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  46   crypto_sw_scheduler_queue_t queue[CRYPTO_SW_SCHED_QUEUE_N_TYPES];
  47   u32 last_serve_lcore_id;
  48   u8 last_serve_encrypt;
  49   u8 last_return_queue;
  50   vnet_crypto_op_t *crypto_ops;
  51   vnet_crypto_op_t *integ_ops;
  52   vnet_crypto_op_t *chained_crypto_ops;
  53   vnet_crypto_op_t *chained_integ_ops;
  54   vnet_crypto_op_chunk_t *chunks;
  55   u8 self_crypto_enabled;
  56 } crypto_sw_scheduler_per_thread_data_t;
  57
  58 typedef struct
  59 {
  60   u32 crypto_engine_index;
  61   crypto_sw_scheduler_per_thread_data_t *per_thread_data;
  62   vnet_crypto_key_t *keys;
  63 } crypto_sw_scheduler_main_t;
  64
  65 extern crypto_sw_scheduler_main_t crypto_sw_scheduler_main;
  66
  67 extern int crypto_sw_scheduler_set_worker_crypto (u32 worker_idx, u8 enabled);
  68
  69 extern clib_error_t *crypto_sw_scheduler_api_init (vlib_main_t * vm);
  70
  71 #endif // __crypto_native_h__
  72
  73 /*
  74  * fd.io coding-style-patch-verification: ON
  75  *
  76  * Local Variables:
  77  * eval: (c-set-style "gnu")
  78  * End:
  79  */