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 headroom_sz; 15 uint16_t data_len; 16 uint16_t segments_nb; 17 }; 18 19 static void 20 fill_single_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp, 21 void *obj, uint32_t mbuf_offset, uint16_t segment_sz, 22 uint16_t headroom, uint16_t data_len) 23 { 24 uint32_t mbuf_hdr_size = sizeof(struct rte_mbuf); 25 26 /* start of buffer is after mbuf structure and priv data */ 27 m->priv_size = 0; 28 m->buf_addr = (char *)m + mbuf_hdr_size; 29 m->buf_iova = rte_mempool_virt2iova(obj) + 30 mbuf_offset + mbuf_hdr_size; 31 m->buf_len = segment_sz; 32 m->data_len = data_len; 33 m->pkt_len = data_len; 34 35 /* Use headroom specified for the buffer */ 36 m->data_off = headroom; 37 38 /* init some constant fields */ 39 m->pool = mp; 40 m->nb_segs = 1; 41 m->port = 0xff; 42 rte_mbuf_refcnt_set(m, 1); 43 m->next = NULL; 44 } 45 46 static void 47 fill_multi_seg_mbuf(struct rte_mbuf *m, struct rte_mempool *mp, 48 void *obj, uint32_t mbuf_offset, uint16_t segment_sz, 49 uint16_t headroom, uint16_t data_len, uint16_t segments_nb) 50 { 51 uint16_t mbuf_hdr_size = sizeof(struct rte_mbuf); 52 uint16_t remaining_segments = segments_nb; 53 struct rte_mbuf *next_mbuf; 54 rte_iova_t next_seg_phys_addr = rte_mempool_virt2iova(obj) + 55 mbuf_offset + mbuf_hdr_size; 56 57 do { 58 /* start of buffer is after mbuf structure and priv data */ 59 m->priv_size = 0; 60 m->buf_addr = (char *)m + mbuf_hdr_size; 61 m->buf_iova = next_seg_phys_addr; 62 next_seg_phys_addr += mbuf_hdr_size + segment_sz; 63 m->buf_len = segment_sz; 64 m->data_len = data_len; 65 66 /* Use headroom specified for the buffer */ 67 m->data_off = headroom; 68 69 /* init some constant fields */ 70 m->pool = mp; 71 m->nb_segs = segments_nb; 72 m->port = 0xff; 73 rte_mbuf_refcnt_set(m, 1); 74 next_mbuf = (struct rte_mbuf *) ((uint8_t *) m + 75 mbuf_hdr_size + segment_sz); 76 m->next = next_mbuf; 77 m = next_mbuf; 78 remaining_segments--; 79 80 } while (remaining_segments > 0); 81 82 m->next = NULL; 83 } 84 85 static void 86 mempool_obj_init(struct rte_mempool *mp, 87 void *opaque_arg, 88 void *obj, 89 __rte_unused unsigned int i) 90 { 91 struct obj_params *params = opaque_arg; 92 struct rte_crypto_op *op = obj; 93 struct rte_mbuf *m = (struct rte_mbuf *) ((uint8_t *) obj + 94 params->src_buf_offset); 95 /* Set crypto operation */ 96 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; 97 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 98 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION; 99 op->phys_addr = rte_mem_virt2iova(obj); 100 op->mempool = mp; 101 102 /* Set source buffer */ 103 op->sym->m_src = m; 104 if (params->segments_nb == 1) 105 fill_single_seg_mbuf(m, mp, obj, params->src_buf_offset, 106 params->segment_sz, params->headroom_sz, 107 params->data_len); 108 else 109 fill_multi_seg_mbuf(m, mp, obj, params->src_buf_offset, 110 params->segment_sz, params->headroom_sz, 111 params->data_len, params->segments_nb); 112 113 114 /* Set destination buffer */ 115 if (params->dst_buf_offset) { 116 m = (struct rte_mbuf *) ((uint8_t *) obj + 117 params->dst_buf_offset); 118 fill_single_seg_mbuf(m, mp, obj, params->dst_buf_offset, 119 params->segment_sz, params->headroom_sz, 120 params->data_len); 121 op->sym->m_dst = m; 122 } else 123 op->sym->m_dst = NULL; 124 } 125 126 int 127 cperf_alloc_common_memory(const struct cperf_options *options, 128 const struct cperf_test_vector *test_vector, 129 uint8_t dev_id, uint16_t qp_id, 130 size_t extra_op_priv_size, 131 uint32_t *src_buf_offset, 132 uint32_t *dst_buf_offset, 133 struct rte_mempool **pool) 134 { 135 const char *mp_ops_name; 136 char pool_name[32] = ""; 137 int ret; 138 139 /* Calculate the object size */ 140 uint16_t crypto_op_size = sizeof(struct rte_crypto_op) + 141 sizeof(struct rte_crypto_sym_op); 142 uint16_t crypto_op_private_size; 143 144 if (options->op_type == CPERF_ASYM_MODEX) { 145 snprintf(pool_name, RTE_MEMPOOL_NAMESIZE, "perf_asym_op_pool%u", 146 rte_socket_id()); 147 *pool = rte_crypto_op_pool_create( 148 pool_name, RTE_CRYPTO_OP_TYPE_ASYMMETRIC, 149 options->pool_sz, 0, 0, rte_socket_id()); 150 if (*pool == NULL) { 151 RTE_LOG(ERR, USER1, 152 "Cannot allocate mempool for device %u\n", 153 dev_id); 154 return -1; 155 } 156 return 0; 157 } 158 159 /* 160 * If doing AES-CCM, IV field needs to be 16 bytes long, 161 * and AAD field needs to be long enough to have 18 bytes, 162 * plus the length of the AAD, and all rounded to a 163 * multiple of 16 bytes. 164 */ 165 if (options->aead_algo == RTE_CRYPTO_AEAD_AES_CCM) { 166 crypto_op_private_size = extra_op_priv_size + 167 test_vector->cipher_iv.length + 168 test_vector->auth_iv.length + 169 RTE_ALIGN_CEIL(test_vector->aead_iv.length, 16) + 170 RTE_ALIGN_CEIL(options->aead_aad_sz + 18, 16); 171 } else { 172 crypto_op_private_size = extra_op_priv_size + 173 test_vector->cipher_iv.length + 174 test_vector->auth_iv.length + 175 test_vector->aead_iv.length + 176 options->aead_aad_sz; 177 } 178 179 uint16_t crypto_op_total_size = crypto_op_size + 180 crypto_op_private_size; 181 uint16_t crypto_op_total_size_padded = 182 RTE_CACHE_LINE_ROUNDUP(crypto_op_total_size); 183 uint32_t mbuf_size = sizeof(struct rte_mbuf) + options->segment_sz; 184 uint32_t max_size = options->max_buffer_size + options->digest_sz; 185 uint16_t segments_nb = (max_size % options->segment_sz) ? 186 (max_size / options->segment_sz) + 1 : 187 max_size / options->segment_sz; 188 uint32_t obj_size = crypto_op_total_size_padded + 189 (mbuf_size * segments_nb); 190 191 snprintf(pool_name, sizeof(pool_name), "pool_cdev_%u_qp_%u", 192 dev_id, qp_id); 193 194 *src_buf_offset = crypto_op_total_size_padded; 195 196 struct obj_params params = { 197 .segment_sz = options->segment_sz, 198 .headroom_sz = options->headroom_sz, 199 /* Data len = segment size - (headroom + tailroom) */ 200 .data_len = options->segment_sz - 201 options->headroom_sz - 202 options->tailroom_sz, 203 .segments_nb = segments_nb, 204 .src_buf_offset = crypto_op_total_size_padded, 205 .dst_buf_offset = 0 206 }; 207 208 if (options->out_of_place) { 209 *dst_buf_offset = *src_buf_offset + 210 (mbuf_size * segments_nb); 211 params.dst_buf_offset = *dst_buf_offset; 212 /* Destination buffer will be one segment only */ 213 obj_size += max_size + sizeof(struct rte_mbuf); 214 } 215 216 *pool = rte_mempool_create_empty(pool_name, 217 options->pool_sz, obj_size, 512, 0, 218 rte_socket_id(), 0); 219 if (*pool == NULL) { 220 RTE_LOG(ERR, USER1, 221 "Cannot allocate mempool for device %u\n", 222 dev_id); 223 return -1; 224 } 225 226 mp_ops_name = rte_mbuf_best_mempool_ops(); 227 228 ret = rte_mempool_set_ops_byname(*pool, 229 mp_ops_name, NULL); 230 if (ret != 0) { 231 RTE_LOG(ERR, USER1, 232 "Error setting mempool handler for device %u\n", 233 dev_id); 234 return -1; 235 } 236 237 ret = rte_mempool_populate_default(*pool); 238 if (ret < 0) { 239 RTE_LOG(ERR, USER1, 240 "Error populating mempool for device %u\n", 241 dev_id); 242 return -1; 243 } 244 245 rte_mempool_obj_iter(*pool, mempool_obj_init, (void *)¶ms); 246 247 return 0; 248 } 249