app/test-crypto-perf/cperf_test_common.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <rte_malloc.h>
   6 #include <rte_mbuf_pool_ops.h>
   7
   8 #include "cperf_test_common.h"
   9
  10 struct obj_params {
  11         uint32_t src_buf_offset;
  12         uint32_t dst_buf_offset;
  13         uint16_t segment_sz;
  14         uint16_t segments_nb;
  15 };
  16
  17 static void
  18 fill_single_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,
  19                 void *obj, uint32_t mbuf_offset, uint16_t segment_sz)
  20 {
  21         uint32_t mbuf_hdr_size = sizeof(struct rte_mbuf);
  22
  23         /* start of buffer is after mbuf structure and priv data */
  24         m->priv_size = 0;
  25         m->buf_addr = (char *)m + mbuf_hdr_size;
  26         m->buf_iova = rte_mempool_virt2iova(obj) +
  27                 mbuf_offset + mbuf_hdr_size;
  28         m->buf_len = segment_sz;
  29         m->data_len = segment_sz;
  30
  31         /* No headroom needed for the buffer */
  32         m->data_off = 0;
  33
  34         /* init some constant fields */
  35         m->pool = mp;
  36         m->nb_segs = 1;
  37         m->port = 0xff;
  38         rte_mbuf_refcnt_set(m, 1);
  39         m->next = NULL;
  40 }
  41
  42 static void
  43 fill_multi_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp,
  44                 void *obj, uint32_t mbuf_offset, uint16_t segment_sz,
  45                 uint16_t segments_nb)
  46 {
  47         uint16_t mbuf_hdr_size = sizeof(struct rte_mbuf);
  48         uint16_t remaining_segments = segments_nb;
  49         struct rte_mbuf *next_mbuf;
  50         rte_iova_t next_seg_phys_addr = rte_mempool_virt2iova(obj) +
  51                          mbuf_offset + mbuf_hdr_size;
  52
  53         do {
  54                 /* start of buffer is after mbuf structure and priv data */
  55                 m->priv_size = 0;
  56                 m->buf_addr = (char *)m + mbuf_hdr_size;
  57                 m->buf_iova = next_seg_phys_addr;
  58                 next_seg_phys_addr += mbuf_hdr_size + segment_sz;
  59                 m->buf_len = segment_sz;
  60                 m->data_len = segment_sz;
  61
  62                 /* No headroom needed for the buffer */
  63                 m->data_off = 0;
  64
  65                 /* init some constant fields */
  66                 m->pool = mp;
  67                 m->nb_segs = segments_nb;
  68                 m->port = 0xff;
  69                 rte_mbuf_refcnt_set(m, 1);
  70                 next_mbuf = (struct rte_mbuf *) ((uint8_t *) m +
  71                                         mbuf_hdr_size + segment_sz);
  72                 m->next = next_mbuf;
  73                 m = next_mbuf;
  74                 remaining_segments--;
  75
  76         } while (remaining_segments > 0);
  77
  78         m->next = NULL;
  79 }
  80
  81 static void
  82 mempool_obj_init(struct rte_mempool *mp,
  83                  void *opaque_arg,
  84                  void *obj,
  85                  __attribute__((unused)) unsigned int i)
  86 {
  87         struct obj_params *params = opaque_arg;
  88         struct rte_crypto_op *op = obj;
  89         struct rte_mbuf *m = (struct rte_mbuf *) ((uint8_t *) obj +
  90                                         params->src_buf_offset);
  91         /* Set crypto operation */
  92         op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
  93         op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
  94         op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
  95         op->phys_addr = rte_mem_virt2iova(obj);
  96         op->mempool = mp;
  97
  98         /* Set source buffer */
  99         op->sym->m_src = m;
 100         if (params->segments_nb == 1)
 101                 fill_single_seg_mbuf(m, mp, obj, params->src_buf_offset,
 102                                 params->segment_sz);
 103         else
 104                 fill_multi_seg_mbuf(m, mp, obj, params->src_buf_offset,
 105                                 params->segment_sz, params->segments_nb);
 106
 107
 108         /* Set destination buffer */
 109         if (params->dst_buf_offset) {
 110                 m = (struct rte_mbuf *) ((uint8_t *) obj +
 111                                 params->dst_buf_offset);
 112                 fill_single_seg_mbuf(m, mp, obj, params->dst_buf_offset,
 113                                 params->segment_sz);
 114                 op->sym->m_dst = m;
 115         } else
 116                 op->sym->m_dst = NULL;
 117 }
 118
 119 int
 120 cperf_alloc_common_memory(const struct cperf_options *options,
 121                         const struct cperf_test_vector *test_vector,
 122                         uint8_t dev_id, uint16_t qp_id,
 123                         size_t extra_op_priv_size,
 124                         uint32_t *src_buf_offset,
 125                         uint32_t *dst_buf_offset,
 126                         struct rte_mempool **pool)
 127 {
 128         const char *mp_ops_name;
 129         char pool_name[32] = "";
 130         int ret;
 131
 132         /* Calculate the object size */
 133         uint16_t crypto_op_size = sizeof(struct rte_crypto_op) +
 134                 sizeof(struct rte_crypto_sym_op);
 135         uint16_t crypto_op_private_size;
 136         /*
 137          * If doing AES-CCM, IV field needs to be 16 bytes long,
 138          * and AAD field needs to be long enough to have 18 bytes,
 139          * plus the length of the AAD, and all rounded to a
 140          * multiple of 16 bytes.
 141          */
 142         if (options->aead_algo == RTE_CRYPTO_AEAD_AES_CCM) {
 143                 crypto_op_private_size = extra_op_priv_size +
 144                         test_vector->cipher_iv.length +
 145                         test_vector->auth_iv.length +
 146                         RTE_ALIGN_CEIL(test_vector->aead_iv.length, 16) +
 147                         RTE_ALIGN_CEIL(options->aead_aad_sz + 18, 16);
 148         } else {
 149                 crypto_op_private_size = extra_op_priv_size +
 150                         test_vector->cipher_iv.length +
 151                         test_vector->auth_iv.length +
 152                         test_vector->aead_iv.length +
 153                         options->aead_aad_sz;
 154         }
 155
 156         uint16_t crypto_op_total_size = crypto_op_size +
 157                                 crypto_op_private_size;
 158         uint16_t crypto_op_total_size_padded =
 159                                 RTE_CACHE_LINE_ROUNDUP(crypto_op_total_size);
 160         uint32_t mbuf_size = sizeof(struct rte_mbuf) + options->segment_sz;
 161         uint32_t max_size = options->max_buffer_size + options->digest_sz;
 162         uint16_t segments_nb = (max_size % options->segment_sz) ?
 163                         (max_size / options->segment_sz) + 1 :
 164                         max_size / options->segment_sz;
 165         uint32_t obj_size = crypto_op_total_size_padded +
 166                                 (mbuf_size * segments_nb);
 167
 168         snprintf(pool_name, sizeof(pool_name), "pool_cdev_%u_qp_%u",
 169                         dev_id, qp_id);
 170
 171         *src_buf_offset = crypto_op_total_size_padded;
 172
 173         struct obj_params params = {
 174                 .segment_sz = options->segment_sz,
 175                 .segments_nb = segments_nb,
 176                 .src_buf_offset = crypto_op_total_size_padded,
 177                 .dst_buf_offset = 0
 178         };
 179
 180         if (options->out_of_place) {
 181                 *dst_buf_offset = *src_buf_offset +
 182                                 (mbuf_size * segments_nb);
 183                 params.dst_buf_offset = *dst_buf_offset;
 184                 /* Destination buffer will be one segment only */
 185                 obj_size += max_size;
 186         }
 187
 188         *pool = rte_mempool_create_empty(pool_name,
 189                         options->pool_sz, obj_size, 512, 0,
 190                         rte_socket_id(), 0);
 191         if (*pool == NULL) {
 192                 RTE_LOG(ERR, USER1,
 193                         "Cannot allocate mempool for device %u\n",
 194                         dev_id);
 195                 return -1;
 196         }
 197
 198         mp_ops_name = rte_mbuf_best_mempool_ops();
 199
 200         ret = rte_mempool_set_ops_byname(*pool,
 201                 mp_ops_name, NULL);
 202         if (ret != 0) {
 203                 RTE_LOG(ERR, USER1,
 204                          "Error setting mempool handler for device %u\n",
 205                          dev_id);
 206                 return -1;
 207         }
 208
 209         ret = rte_mempool_populate_default(*pool);
 210         if (ret < 0) {
 211                 RTE_LOG(ERR, USER1,
 212                          "Error populating mempool for device %u\n",
 213                          dev_id);
 214                 return -1;
 215         }
 216
 217         rte_mempool_obj_iter(*pool, mempool_obj_init, (void *)&params);
 218
 219         return 0;
 220 }