drivers/crypto/octeontx2/otx2_cryptodev_sec.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (C) 2020 Marvell International Ltd.
   3  */
   4
   5 #include <rte_cryptodev.h>
   6 #include <rte_esp.h>
   7 #include <rte_ethdev.h>
   8 #include <rte_ip.h>
   9 #include <rte_malloc.h>
  10 #include <rte_security.h>
  11 #include <rte_security_driver.h>
  12 #include <rte_udp.h>
  13
  14 #include "otx2_cryptodev.h"
  15 #include "otx2_cryptodev_capabilities.h"
  16 #include "otx2_cryptodev_hw_access.h"
  17 #include "otx2_cryptodev_ops.h"
  18 #include "otx2_cryptodev_sec.h"
  19 #include "otx2_security.h"
  20
  21 static int
  22 ipsec_lp_len_precalc(struct rte_security_ipsec_xform *ipsec,
  23                 struct rte_crypto_sym_xform *xform,
  24                 struct otx2_sec_session_ipsec_lp *lp)
  25 {
  26         struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
  27
  28         if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
  29                 lp->partial_len = sizeof(struct rte_ipv4_hdr);
  30         else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
  31                 lp->partial_len = sizeof(struct rte_ipv6_hdr);
  32         else
  33                 return -EINVAL;
  34
  35         if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP) {
  36                 lp->partial_len += sizeof(struct rte_esp_hdr);
  37                 lp->roundup_len = sizeof(struct rte_esp_tail);
  38         } else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH) {
  39                 lp->partial_len += OTX2_SEC_AH_HDR_LEN;
  40         } else {
  41                 return -EINVAL;
  42         }
  43
  44         if (ipsec->options.udp_encap)
  45                 lp->partial_len += sizeof(struct rte_udp_hdr);
  46
  47         if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
  48                 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
  49                         lp->partial_len += OTX2_SEC_AES_GCM_IV_LEN;
  50                         lp->partial_len += OTX2_SEC_AES_GCM_MAC_LEN;
  51                         lp->roundup_byte = OTX2_SEC_AES_GCM_ROUNDUP_BYTE_LEN;
  52                         return 0;
  53                 } else {
  54                         return -EINVAL;
  55                 }
  56         }
  57
  58         if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
  59                 cipher_xform = xform;
  60                 auth_xform = xform->next;
  61         } else if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
  62                 auth_xform = xform;
  63                 cipher_xform = xform->next;
  64         } else {
  65                 return -EINVAL;
  66         }
  67
  68         if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
  69                 lp->partial_len += OTX2_SEC_AES_CBC_IV_LEN;
  70                 lp->roundup_byte = OTX2_SEC_AES_CBC_ROUNDUP_BYTE_LEN;
  71         } else {
  72                 return -EINVAL;
  73         }
  74
  75         if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
  76                 lp->partial_len += OTX2_SEC_SHA1_HMAC_LEN;
  77         else
  78                 return -EINVAL;
  79
  80         return 0;
  81 }
  82
  83 static int
  84 otx2_cpt_enq_sa_write(struct otx2_sec_session_ipsec_lp *lp,
  85                       struct otx2_cpt_qp *qptr, uint8_t opcode)
  86 {
  87         uint64_t lmt_status, time_out;
  88         void *lmtline = qptr->lmtline;
  89         struct otx2_cpt_inst_s inst;
  90         struct otx2_cpt_res *res;
  91         uint64_t *mdata;
  92         int ret = 0;
  93
  94         if (unlikely(rte_mempool_get(qptr->meta_info.pool,
  95                                      (void **)&mdata) < 0))
  96                 return -ENOMEM;
  97
  98         res = (struct otx2_cpt_res *)RTE_PTR_ALIGN(mdata, 16);
  99         res->compcode = CPT_9X_COMP_E_NOTDONE;
 100
 101         inst.opcode = opcode | (lp->ctx_len << 8);
 102         inst.param1 = 0;
 103         inst.param2 = 0;
 104         inst.dlen = lp->ctx_len << 3;
 105         inst.dptr = rte_mempool_virt2iova(lp);
 106         inst.rptr = 0;
 107         inst.cptr = rte_mempool_virt2iova(lp);
 108         inst.egrp  = OTX2_CPT_EGRP_SE;
 109
 110         inst.u64[0] = 0;
 111         inst.u64[2] = 0;
 112         inst.u64[3] = 0;
 113         inst.res_addr = rte_mempool_virt2iova(res);
 114
 115         rte_io_wmb();
 116
 117         do {
 118                 /* Copy CPT command to LMTLINE */
 119                 otx2_lmt_mov(lmtline, &inst, 2);
 120                 lmt_status = otx2_lmt_submit(qptr->lf_nq_reg);
 121         } while (lmt_status == 0);
 122
 123         time_out = rte_get_timer_cycles() +
 124                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 125
 126         while (res->compcode == CPT_9X_COMP_E_NOTDONE) {
 127                 if (rte_get_timer_cycles() > time_out) {
 128                         rte_mempool_put(qptr->meta_info.pool, mdata);
 129                         otx2_err("Request timed out");
 130                         return -ETIMEDOUT;
 131                 }
 132             rte_io_rmb();
 133         }
 134
 135         if (unlikely(res->compcode != CPT_9X_COMP_E_GOOD)) {
 136                 ret = res->compcode;
 137                 switch (ret) {
 138                 case CPT_9X_COMP_E_INSTERR:
 139                         otx2_err("Request failed with instruction error");
 140                         break;
 141                 case CPT_9X_COMP_E_FAULT:
 142                         otx2_err("Request failed with DMA fault");
 143                         break;
 144                 case CPT_9X_COMP_E_HWERR:
 145                         otx2_err("Request failed with hardware error");
 146                         break;
 147                 default:
 148                         otx2_err("Request failed with unknown hardware "
 149                                  "completion code : 0x%x", ret);
 150                 }
 151                 goto mempool_put;
 152         }
 153
 154         if (unlikely(res->uc_compcode != OTX2_IPSEC_PO_CC_SUCCESS)) {
 155                 ret = res->uc_compcode;
 156                 switch (ret) {
 157                 case OTX2_IPSEC_PO_CC_AUTH_UNSUPPORTED:
 158                         otx2_err("Invalid auth type");
 159                         break;
 160                 case OTX2_IPSEC_PO_CC_ENCRYPT_UNSUPPORTED:
 161                         otx2_err("Invalid encrypt type");
 162                         break;
 163                 default:
 164                         otx2_err("Request failed with unknown microcode "
 165                                  "completion code : 0x%x", ret);
 166                 }
 167         }
 168
 169 mempool_put:
 170         rte_mempool_put(qptr->meta_info.pool, mdata);
 171         return ret;
 172 }
 173
 174 static void
 175 set_session_misc_attributes(struct otx2_sec_session_ipsec_lp *sess,
 176                             struct rte_crypto_sym_xform *crypto_xform,
 177                             struct rte_crypto_sym_xform *auth_xform,
 178                             struct rte_crypto_sym_xform *cipher_xform)
 179 {
 180         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 181                 sess->iv_offset = crypto_xform->aead.iv.offset;
 182                 sess->iv_length = crypto_xform->aead.iv.length;
 183                 sess->aad_length = crypto_xform->aead.aad_length;
 184                 sess->mac_len = crypto_xform->aead.digest_length;
 185         } else {
 186                 sess->iv_offset = cipher_xform->cipher.iv.offset;
 187                 sess->iv_length = cipher_xform->cipher.iv.length;
 188                 sess->auth_iv_offset = auth_xform->auth.iv.offset;
 189                 sess->auth_iv_length = auth_xform->auth.iv.length;
 190                 sess->mac_len = auth_xform->auth.digest_length;
 191         }
 192
 193         sess->ucmd_param1 = OTX2_IPSEC_PO_PER_PKT_IV;
 194         sess->ucmd_param2 = 0;
 195 }
 196
 197 static int
 198 crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_dev,
 199                                      struct rte_security_ipsec_xform *ipsec,
 200                                      struct rte_crypto_sym_xform *crypto_xform,
 201                                      struct rte_security_session *sec_sess)
 202 {
 203         struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
 204         const uint8_t *cipher_key, *auth_key;
 205         struct otx2_sec_session_ipsec_lp *lp;
 206         struct otx2_ipsec_po_sa_ctl *ctl;
 207         int cipher_key_len, auth_key_len;
 208         struct otx2_ipsec_po_out_sa *sa;
 209         struct rte_ipv6_hdr *ip6 = NULL;
 210         struct rte_ipv4_hdr *ip = NULL;
 211         struct otx2_sec_session *sess;
 212         struct otx2_cpt_inst_s inst;
 213         int ret, ctx_len;
 214
 215         sess = get_sec_session_private_data(sec_sess);
 216         sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
 217         lp = &sess->ipsec.lp;
 218
 219         sa = &lp->out_sa;
 220         ctl = &sa->ctl;
 221         if (ctl->valid) {
 222                 otx2_err("SA already registered");
 223                 return -EINVAL;
 224         }
 225
 226         memset(sa, 0, sizeof(struct otx2_ipsec_po_out_sa));
 227
 228         /* Initialize lookaside ipsec private data */
 229         lp->ip_id = 0;
 230         lp->seq_lo = 1;
 231         lp->seq_hi = 0;
 232         lp->tunnel_type = ipsec->tunnel.type;
 233
 234         ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
 235         if (ret)
 236                 return ret;
 237
 238         ret = ipsec_lp_len_precalc(ipsec, crypto_xform, lp);
 239         if (ret)
 240                 return ret;
 241
 242         if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
 243                 /* Start ip id from 1 */
 244                 lp->ip_id = 1;
 245
 246                 if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
 247
 248                         if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
 249                                 if (ipsec->options.udp_encap) {
 250                                         sa->aes_gcm.template.ip4.udp_src = 4500;
 251                                         sa->aes_gcm.template.ip4.udp_dst = 4500;
 252                                 }
 253                                 ip = &sa->aes_gcm.template.ip4.ipv4_hdr;
 254                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 255                                                 aes_gcm.template) + sizeof(
 256                                                 sa->aes_gcm.template.ip4);
 257                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 258                                 lp->ctx_len = ctx_len >> 3;
 259                         } else if (ctl->auth_type ==
 260                                         OTX2_IPSEC_PO_SA_AUTH_SHA1) {
 261                                 if (ipsec->options.udp_encap) {
 262                                         sa->sha1.template.ip4.udp_src = 4500;
 263                                         sa->sha1.template.ip4.udp_dst = 4500;
 264                                 }
 265                                 ip = &sa->sha1.template.ip4.ipv4_hdr;
 266                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 267                                                 sha1.template) + sizeof(
 268                                                 sa->sha1.template.ip4);
 269                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 270                                 lp->ctx_len = ctx_len >> 3;
 271                         }
 272                         ip->version_ihl = RTE_IPV4_VHL_DEF;
 273                         ip->next_proto_id = IPPROTO_ESP;
 274                         ip->time_to_live = ipsec->tunnel.ipv4.ttl;
 275                         ip->type_of_service |= (ipsec->tunnel.ipv4.dscp << 2);
 276                         if (ipsec->tunnel.ipv4.df)
 277                                 ip->fragment_offset = BIT(14);
 278                         memcpy(&ip->src_addr, &ipsec->tunnel.ipv4.src_ip,
 279                                 sizeof(struct in_addr));
 280                         memcpy(&ip->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
 281                                 sizeof(struct in_addr));
 282                 } else if (ipsec->tunnel.type ==
 283                                 RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
 284
 285                         if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
 286                                 if (ipsec->options.udp_encap) {
 287                                         sa->aes_gcm.template.ip6.udp_src = 4500;
 288                                         sa->aes_gcm.template.ip6.udp_dst = 4500;
 289                                 }
 290                                 ip6 = &sa->aes_gcm.template.ip6.ipv6_hdr;
 291                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 292                                                 aes_gcm.template) + sizeof(
 293                                                 sa->aes_gcm.template.ip6);
 294                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 295                                 lp->ctx_len = ctx_len >> 3;
 296                         } else if (ctl->auth_type ==
 297                                         OTX2_IPSEC_PO_SA_AUTH_SHA1) {
 298                                 if (ipsec->options.udp_encap) {
 299                                         sa->sha1.template.ip6.udp_src = 4500;
 300                                         sa->sha1.template.ip6.udp_dst = 4500;
 301                                 }
 302                                 ip6 = &sa->sha1.template.ip6.ipv6_hdr;
 303                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 304                                                 sha1.template) + sizeof(
 305                                                 sa->sha1.template.ip6);
 306                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 307                                 lp->ctx_len = ctx_len >> 3;
 308                         }
 309
 310                         ip6->vtc_flow = rte_cpu_to_be_32(0x60000000 |
 311                                 ((ipsec->tunnel.ipv6.dscp <<
 312                                         RTE_IPV6_HDR_TC_SHIFT) &
 313                                         RTE_IPV6_HDR_TC_MASK) |
 314                                 ((ipsec->tunnel.ipv6.flabel <<
 315                                         RTE_IPV6_HDR_FL_SHIFT) &
 316                                         RTE_IPV6_HDR_FL_MASK));
 317                         ip6->hop_limits = ipsec->tunnel.ipv6.hlimit;
 318                         ip6->proto = (ipsec->proto ==
 319                                         RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
 320                                         IPPROTO_ESP : IPPROTO_AH;
 321                         memcpy(&ip6->src_addr, &ipsec->tunnel.ipv6.src_addr,
 322                                 sizeof(struct in6_addr));
 323                         memcpy(&ip6->dst_addr, &ipsec->tunnel.ipv6.dst_addr,
 324                                 sizeof(struct in6_addr));
 325                 } else {
 326                         return -EINVAL;
 327                 }
 328         } else {
 329                 return -EINVAL;
 330         }
 331
 332         cipher_xform = crypto_xform;
 333         auth_xform = crypto_xform->next;
 334
 335         cipher_key_len = 0;
 336         auth_key_len = 0;
 337
 338         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 339                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
 340                         memcpy(sa->iv.gcm.nonce, &ipsec->salt, 4);
 341                 cipher_key = crypto_xform->aead.key.data;
 342                 cipher_key_len = crypto_xform->aead.key.length;
 343         } else {
 344                 cipher_key = cipher_xform->cipher.key.data;
 345                 cipher_key_len = cipher_xform->cipher.key.length;
 346                 auth_key = auth_xform->auth.key.data;
 347                 auth_key_len = auth_xform->auth.key.length;
 348
 349                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
 350                         memcpy(sa->sha1.hmac_key, auth_key, auth_key_len);
 351         }
 352
 353         if (cipher_key_len != 0)
 354                 memcpy(sa->cipher_key, cipher_key, cipher_key_len);
 355         else
 356                 return -EINVAL;
 357
 358         inst.u64[7] = 0;
 359         inst.egrp = OTX2_CPT_EGRP_SE;
 360         inst.cptr = rte_mempool_virt2iova(sa);
 361
 362         lp->cpt_inst_w7 = inst.u64[7];
 363         lp->ucmd_opcode = (lp->ctx_len << 8) |
 364                                 (OTX2_IPSEC_PO_PROCESS_IPSEC_OUTB);
 365
 366         set_session_misc_attributes(lp, crypto_xform,
 367                                     auth_xform, cipher_xform);
 368
 369         return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
 370                                      OTX2_IPSEC_PO_WRITE_IPSEC_OUTB);
 371 }
 372
 373 static int
 374 crypto_sec_ipsec_inb_session_create(struct rte_cryptodev *crypto_dev,
 375                                     struct rte_security_ipsec_xform *ipsec,
 376                                     struct rte_crypto_sym_xform *crypto_xform,
 377                                     struct rte_security_session *sec_sess)
 378 {
 379         struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
 380         const uint8_t *cipher_key, *auth_key;
 381         struct otx2_sec_session_ipsec_lp *lp;
 382         struct otx2_ipsec_po_sa_ctl *ctl;
 383         int cipher_key_len, auth_key_len;
 384         struct otx2_ipsec_po_in_sa *sa;
 385         struct otx2_sec_session *sess;
 386         struct otx2_cpt_inst_s inst;
 387         int ret;
 388
 389         sess = get_sec_session_private_data(sec_sess);
 390         sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
 391         lp = &sess->ipsec.lp;
 392
 393         sa = &lp->in_sa;
 394         ctl = &sa->ctl;
 395
 396         if (ctl->valid) {
 397                 otx2_err("SA already registered");
 398                 return -EINVAL;
 399         }
 400
 401         memset(sa, 0, sizeof(struct otx2_ipsec_po_in_sa));
 402         sa->replay_win_sz = ipsec->replay_win_sz;
 403
 404         ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
 405         if (ret)
 406                 return ret;
 407
 408         lp->tunnel_type = ipsec->tunnel.type;
 409         auth_xform = crypto_xform;
 410         cipher_xform = crypto_xform->next;
 411
 412         cipher_key_len = 0;
 413         auth_key_len = 0;
 414
 415         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 416                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
 417                         memcpy(sa->iv.gcm.nonce, &ipsec->salt, 4);
 418                 cipher_key = crypto_xform->aead.key.data;
 419                 cipher_key_len = crypto_xform->aead.key.length;
 420
 421                 lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
 422                                             aes_gcm.hmac_key[0]) >> 3;
 423                 RTE_ASSERT(lp->ctx_len == OTX2_IPSEC_PO_AES_GCM_INB_CTX_LEN);
 424         } else {
 425                 cipher_key = cipher_xform->cipher.key.data;
 426                 cipher_key_len = cipher_xform->cipher.key.length;
 427                 auth_key = auth_xform->auth.key.data;
 428                 auth_key_len = auth_xform->auth.key.length;
 429
 430                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
 431                         memcpy(sa->aes_gcm.hmac_key, auth_key, auth_key_len);
 432
 433                 lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
 434                                             aes_gcm.selector) >> 3;
 435         }
 436
 437         if (cipher_key_len != 0)
 438                 memcpy(sa->cipher_key, cipher_key, cipher_key_len);
 439         else
 440                 return -EINVAL;
 441
 442         inst.u64[7] = 0;
 443         inst.egrp = OTX2_CPT_EGRP_SE;
 444         inst.cptr = rte_mempool_virt2iova(sa);
 445
 446         lp->cpt_inst_w7 = inst.u64[7];
 447         lp->ucmd_opcode = (lp->ctx_len << 8) |
 448                                 (OTX2_IPSEC_PO_PROCESS_IPSEC_INB);
 449
 450         set_session_misc_attributes(lp, crypto_xform,
 451                                     auth_xform, cipher_xform);
 452
 453         if (sa->replay_win_sz) {
 454                 if (sa->replay_win_sz > OTX2_IPSEC_MAX_REPLAY_WIN_SZ) {
 455                         otx2_err("Replay window size is not supported");
 456                         return -ENOTSUP;
 457                 }
 458                 sa->replay = rte_zmalloc(NULL, sizeof(struct otx2_ipsec_replay),
 459                                 0);
 460                 if (sa->replay == NULL)
 461                         return -ENOMEM;
 462
 463                 /* Set window bottom to 1, base and top to size of window */
 464                 sa->replay->winb = 1;
 465                 sa->replay->wint = sa->replay_win_sz;
 466                 sa->replay->base = sa->replay_win_sz;
 467                 sa->esn_low = 0;
 468                 sa->esn_hi = 0;
 469         }
 470
 471         return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
 472                                      OTX2_IPSEC_PO_WRITE_IPSEC_INB);
 473 }
 474
 475 static int
 476 crypto_sec_ipsec_session_create(struct rte_cryptodev *crypto_dev,
 477                                 struct rte_security_ipsec_xform *ipsec,
 478                                 struct rte_crypto_sym_xform *crypto_xform,
 479                                 struct rte_security_session *sess)
 480 {
 481         int ret;
 482
 483         if (crypto_dev->data->queue_pairs[0] == NULL) {
 484                 otx2_err("Setup cpt queue pair before creating sec session");
 485                 return -EPERM;
 486         }
 487
 488         ret = ipsec_po_xform_verify(ipsec, crypto_xform);
 489         if (ret)
 490                 return ret;
 491
 492         if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
 493                 return crypto_sec_ipsec_inb_session_create(crypto_dev, ipsec,
 494                                                            crypto_xform, sess);
 495         else
 496                 return crypto_sec_ipsec_outb_session_create(crypto_dev, ipsec,
 497                                                             crypto_xform, sess);
 498 }
 499
 500 static int
 501 otx2_crypto_sec_session_create(void *device,
 502                                struct rte_security_session_conf *conf,
 503                                struct rte_security_session *sess,
 504                                struct rte_mempool *mempool)
 505 {
 506         struct otx2_sec_session *priv;
 507         int ret;
 508
 509         if (conf->action_type != RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
 510                 return -ENOTSUP;
 511
 512         if (rte_security_dynfield_register() < 0)
 513                 return -rte_errno;
 514
 515         if (rte_mempool_get(mempool, (void **)&priv)) {
 516                 otx2_err("Could not allocate security session private data");
 517                 return -ENOMEM;
 518         }
 519
 520         set_sec_session_private_data(sess, priv);
 521
 522         priv->userdata = conf->userdata;
 523
 524         if (conf->protocol == RTE_SECURITY_PROTOCOL_IPSEC)
 525                 ret = crypto_sec_ipsec_session_create(device, &conf->ipsec,
 526                                                       conf->crypto_xform,
 527                                                       sess);
 528         else
 529                 ret = -ENOTSUP;
 530
 531         if (ret)
 532                 goto mempool_put;
 533
 534         return 0;
 535
 536 mempool_put:
 537         rte_mempool_put(mempool, priv);
 538         set_sec_session_private_data(sess, NULL);
 539         return ret;
 540 }
 541
 542 static int
 543 otx2_crypto_sec_session_destroy(void *device __rte_unused,
 544                                 struct rte_security_session *sess)
 545 {
 546         struct otx2_sec_session *priv;
 547         struct rte_mempool *sess_mp;
 548
 549         priv = get_sec_session_private_data(sess);
 550
 551         if (priv == NULL)
 552                 return 0;
 553
 554         sess_mp = rte_mempool_from_obj(priv);
 555
 556         set_sec_session_private_data(sess, NULL);
 557         rte_mempool_put(sess_mp, priv);
 558
 559         return 0;
 560 }
 561
 562 static unsigned int
 563 otx2_crypto_sec_session_get_size(void *device __rte_unused)
 564 {
 565         return sizeof(struct otx2_sec_session);
 566 }
 567
 568 static int
 569 otx2_crypto_sec_set_pkt_mdata(void *device __rte_unused,
 570                               struct rte_security_session *session,
 571                               struct rte_mbuf *m, void *params __rte_unused)
 572 {
 573         /* Set security session as the pkt metadata */
 574         *rte_security_dynfield(m) = (rte_security_dynfield_t)session;
 575
 576         return 0;
 577 }
 578
 579 static int
 580 otx2_crypto_sec_get_userdata(void *device __rte_unused, uint64_t md,
 581                              void **userdata)
 582 {
 583         /* Retrieve userdata  */
 584         *userdata = (void *)md;
 585
 586         return 0;
 587 }
 588
 589 static struct rte_security_ops otx2_crypto_sec_ops = {
 590         .session_create         = otx2_crypto_sec_session_create,
 591         .session_destroy        = otx2_crypto_sec_session_destroy,
 592         .session_get_size       = otx2_crypto_sec_session_get_size,
 593         .set_pkt_metadata       = otx2_crypto_sec_set_pkt_mdata,
 594         .get_userdata           = otx2_crypto_sec_get_userdata,
 595         .capabilities_get       = otx2_crypto_sec_capabilities_get
 596 };
 597
 598 int
 599 otx2_crypto_sec_ctx_create(struct rte_cryptodev *cdev)
 600 {
 601         struct rte_security_ctx *ctx;
 602
 603         ctx = rte_malloc("otx2_cpt_dev_sec_ctx",
 604                          sizeof(struct rte_security_ctx), 0);
 605
 606         if (ctx == NULL)
 607                 return -ENOMEM;
 608
 609         /* Populate ctx */
 610         ctx->device = cdev;
 611         ctx->ops = &otx2_crypto_sec_ops;
 612         ctx->sess_cnt = 0;
 613
 614         cdev->security_ctx = ctx;
 615
 616         return 0;
 617 }
 618
 619 void
 620 otx2_crypto_sec_ctx_destroy(struct rte_cryptodev *cdev)
 621 {
 622         rte_free(cdev->security_ctx);
 623 }