drivers/crypto/cnxk/cn9k_ipsec.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include <cryptodev_pmd.h>
   6 #include <rte_ip.h>
   7 #include <rte_security.h>
   8 #include <rte_security_driver.h>
   9
  10 #include "cnxk_cryptodev.h"
  11 #include "cnxk_cryptodev_ops.h"
  12 #include "cnxk_ipsec.h"
  13 #include "cnxk_security.h"
  14 #include "cn9k_ipsec.h"
  15
  16 #include "roc_api.h"
  17
  18 static inline int
  19 cn9k_cpt_enq_sa_write(struct cn9k_ipsec_sa *sa, struct cnxk_cpt_qp *qp,
  20                       uint8_t opcode, size_t ctx_len)
  21 {
  22         struct roc_cpt *roc_cpt = qp->lf.roc_cpt;
  23         uint64_t lmtline = qp->lmtline.lmt_base;
  24         uint64_t io_addr = qp->lmtline.io_addr;
  25         uint64_t lmt_status, time_out;
  26         struct cpt_cn9k_res_s *res;
  27         struct cpt_inst_s inst;
  28         uint64_t *mdata;
  29         int ret = 0;
  30
  31         if (unlikely(rte_mempool_get(qp->meta_info.pool, (void **)&mdata) < 0))
  32                 return -ENOMEM;
  33
  34         res = (struct cpt_cn9k_res_s *)RTE_PTR_ALIGN(mdata, 16);
  35         res->compcode = CPT_COMP_NOT_DONE;
  36
  37         inst.w4.s.opcode_major = opcode;
  38         inst.w4.s.opcode_minor = ctx_len >> 3;
  39         inst.w4.s.param1 = 0;
  40         inst.w4.s.param2 = 0;
  41         inst.w4.s.dlen = ctx_len;
  42         inst.dptr = rte_mempool_virt2iova(sa);
  43         inst.rptr = 0;
  44         inst.w7.s.cptr = rte_mempool_virt2iova(sa);
  45         inst.w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
  46
  47         inst.w0.u64 = 0;
  48         inst.w2.u64 = 0;
  49         inst.w3.u64 = 0;
  50         inst.res_addr = rte_mempool_virt2iova(res);
  51
  52         rte_io_wmb();
  53
  54         do {
  55                 /* Copy CPT command to LMTLINE */
  56                 roc_lmt_mov((void *)lmtline, &inst, 2);
  57                 lmt_status = roc_lmt_submit_ldeor(io_addr);
  58         } while (lmt_status == 0);
  59
  60         time_out = rte_get_timer_cycles() +
  61                    DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
  62
  63         while (res->compcode == CPT_COMP_NOT_DONE) {
  64                 if (rte_get_timer_cycles() > time_out) {
  65                         rte_mempool_put(qp->meta_info.pool, mdata);
  66                         plt_err("Request timed out");
  67                         return -ETIMEDOUT;
  68                 }
  69                 rte_io_rmb();
  70         }
  71
  72         if (unlikely(res->compcode != CPT_COMP_GOOD)) {
  73                 ret = res->compcode;
  74                 switch (ret) {
  75                 case CPT_COMP_INSTERR:
  76                         plt_err("Request failed with instruction error");
  77                         break;
  78                 case CPT_COMP_FAULT:
  79                         plt_err("Request failed with DMA fault");
  80                         break;
  81                 case CPT_COMP_HWERR:
  82                         plt_err("Request failed with hardware error");
  83                         break;
  84                 default:
  85                         plt_err("Request failed with unknown hardware "
  86                                 "completion code : 0x%x",
  87                                 ret);
  88                 }
  89                 ret = -EINVAL;
  90                 goto mempool_put;
  91         }
  92
  93         if (unlikely(res->uc_compcode != ROC_IE_ON_UCC_SUCCESS)) {
  94                 ret = res->uc_compcode;
  95                 switch (ret) {
  96                 case ROC_IE_ON_AUTH_UNSUPPORTED:
  97                         plt_err("Invalid auth type");
  98                         break;
  99                 case ROC_IE_ON_ENCRYPT_UNSUPPORTED:
 100                         plt_err("Invalid encrypt type");
 101                         break;
 102                 default:
 103                         plt_err("Request failed with unknown microcode "
 104                                 "completion code : 0x%x",
 105                                 ret);
 106                 }
 107                 ret = -ENOTSUP;
 108         }
 109
 110 mempool_put:
 111         rte_mempool_put(qp->meta_info.pool, mdata);
 112         return ret;
 113 }
 114
 115 static inline int
 116 ipsec_sa_ctl_set(struct rte_security_ipsec_xform *ipsec,
 117                  struct rte_crypto_sym_xform *crypto_xform,
 118                  struct roc_ie_on_sa_ctl *ctl)
 119 {
 120         struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
 121         int aes_key_len;
 122
 123         if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
 124                 ctl->direction = ROC_IE_SA_DIR_OUTBOUND;
 125                 cipher_xform = crypto_xform;
 126                 auth_xform = crypto_xform->next;
 127         } else if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
 128                 ctl->direction = ROC_IE_SA_DIR_INBOUND;
 129                 auth_xform = crypto_xform;
 130                 cipher_xform = crypto_xform->next;
 131         } else {
 132                 return -EINVAL;
 133         }
 134
 135         if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
 136                 if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
 137                         ctl->outer_ip_ver = ROC_IE_SA_IP_VERSION_4;
 138                 else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
 139                         ctl->outer_ip_ver = ROC_IE_SA_IP_VERSION_6;
 140                 else
 141                         return -EINVAL;
 142         }
 143
 144         ctl->inner_ip_ver = ctl->outer_ip_ver;
 145
 146         if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT)
 147                 ctl->ipsec_mode = ROC_IE_SA_MODE_TRANSPORT;
 148         else if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
 149                 ctl->ipsec_mode = ROC_IE_SA_MODE_TUNNEL;
 150         else
 151                 return -EINVAL;
 152
 153         if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH)
 154                 ctl->ipsec_proto = ROC_IE_SA_PROTOCOL_AH;
 155         else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP)
 156                 ctl->ipsec_proto = ROC_IE_SA_PROTOCOL_ESP;
 157         else
 158                 return -EINVAL;
 159
 160         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 161                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
 162                         ctl->enc_type = ROC_IE_ON_SA_ENC_AES_GCM;
 163                         aes_key_len = crypto_xform->aead.key.length;
 164                 } else {
 165                         return -ENOTSUP;
 166                 }
 167         } else if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
 168                 ctl->enc_type = ROC_IE_ON_SA_ENC_AES_CBC;
 169                 aes_key_len = cipher_xform->cipher.key.length;
 170         } else {
 171                 return -ENOTSUP;
 172         }
 173
 174         switch (aes_key_len) {
 175         case 16:
 176                 ctl->aes_key_len = ROC_IE_SA_AES_KEY_LEN_128;
 177                 break;
 178         case 24:
 179                 ctl->aes_key_len = ROC_IE_SA_AES_KEY_LEN_192;
 180                 break;
 181         case 32:
 182                 ctl->aes_key_len = ROC_IE_SA_AES_KEY_LEN_256;
 183                 break;
 184         default:
 185                 return -EINVAL;
 186         }
 187
 188         if (crypto_xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) {
 189                 switch (auth_xform->auth.algo) {
 190                 case RTE_CRYPTO_AUTH_NULL:
 191                         ctl->auth_type = ROC_IE_ON_SA_AUTH_NULL;
 192                         break;
 193                 case RTE_CRYPTO_AUTH_MD5_HMAC:
 194                         ctl->auth_type = ROC_IE_ON_SA_AUTH_MD5;
 195                         break;
 196                 case RTE_CRYPTO_AUTH_SHA1_HMAC:
 197                         ctl->auth_type = ROC_IE_ON_SA_AUTH_SHA1;
 198                         break;
 199                 case RTE_CRYPTO_AUTH_SHA224_HMAC:
 200                         ctl->auth_type = ROC_IE_ON_SA_AUTH_SHA2_224;
 201                         break;
 202                 case RTE_CRYPTO_AUTH_SHA256_HMAC:
 203                         ctl->auth_type = ROC_IE_ON_SA_AUTH_SHA2_256;
 204                         break;
 205                 case RTE_CRYPTO_AUTH_SHA384_HMAC:
 206                         ctl->auth_type = ROC_IE_ON_SA_AUTH_SHA2_384;
 207                         break;
 208                 case RTE_CRYPTO_AUTH_SHA512_HMAC:
 209                         ctl->auth_type = ROC_IE_ON_SA_AUTH_SHA2_512;
 210                         break;
 211                 case RTE_CRYPTO_AUTH_AES_GMAC:
 212                         ctl->auth_type = ROC_IE_ON_SA_AUTH_AES_GMAC;
 213                         break;
 214                 case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
 215                         ctl->auth_type = ROC_IE_ON_SA_AUTH_AES_XCBC_128;
 216                         break;
 217                 default:
 218                         return -ENOTSUP;
 219                 }
 220         }
 221
 222         if (ipsec->options.esn)
 223                 ctl->esn_en = 1;
 224
 225         if (ipsec->options.udp_encap == 1)
 226                 ctl->encap_type = ROC_IE_ON_SA_ENCAP_UDP;
 227
 228         ctl->spi = rte_cpu_to_be_32(ipsec->spi);
 229
 230         rte_io_wmb();
 231
 232         ctl->valid = 1;
 233
 234         return 0;
 235 }
 236
 237 static inline int
 238 fill_ipsec_common_sa(struct rte_security_ipsec_xform *ipsec,
 239                      struct rte_crypto_sym_xform *crypto_xform,
 240                      struct roc_ie_on_common_sa *common_sa)
 241 {
 242         struct rte_crypto_sym_xform *cipher_xform;
 243         const uint8_t *cipher_key;
 244         int cipher_key_len = 0;
 245         int ret;
 246
 247         if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
 248                 cipher_xform = crypto_xform->next;
 249         else
 250                 cipher_xform = crypto_xform;
 251
 252         ret = ipsec_sa_ctl_set(ipsec, crypto_xform, &common_sa->ctl);
 253         if (ret)
 254                 return ret;
 255
 256         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 257                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
 258                         memcpy(common_sa->iv.gcm.nonce, &ipsec->salt, 4);
 259                 cipher_key = crypto_xform->aead.key.data;
 260                 cipher_key_len = crypto_xform->aead.key.length;
 261         } else {
 262                 cipher_key = cipher_xform->cipher.key.data;
 263                 cipher_key_len = cipher_xform->cipher.key.length;
 264         }
 265
 266         if (cipher_key_len != 0)
 267                 memcpy(common_sa->cipher_key, cipher_key, cipher_key_len);
 268         else
 269                 return -EINVAL;
 270
 271         return 0;
 272 }
 273
 274 static int
 275 cn9k_ipsec_outb_sa_create(struct cnxk_cpt_qp *qp,
 276                           struct rte_security_ipsec_xform *ipsec,
 277                           struct rte_crypto_sym_xform *crypto_xform,
 278                           struct rte_security_session *sec_sess)
 279 {
 280         struct rte_crypto_sym_xform *auth_xform = crypto_xform->next;
 281         struct roc_ie_on_ip_template *template = NULL;
 282         struct roc_cpt *roc_cpt = qp->lf.roc_cpt;
 283         struct cnxk_cpt_inst_tmpl *inst_tmpl;
 284         struct roc_ie_on_outb_sa *out_sa;
 285         struct cn9k_sec_session *sess;
 286         struct roc_ie_on_sa_ctl *ctl;
 287         struct cn9k_ipsec_sa *sa;
 288         struct rte_ipv6_hdr *ip6;
 289         struct rte_ipv4_hdr *ip4;
 290         const uint8_t *auth_key;
 291         union cpt_inst_w4 w4;
 292         union cpt_inst_w7 w7;
 293         int auth_key_len = 0;
 294         size_t ctx_len;
 295         int ret;
 296
 297         sess = get_sec_session_private_data(sec_sess);
 298         sa = &sess->sa;
 299         out_sa = &sa->out_sa;
 300         ctl = &out_sa->common_sa.ctl;
 301
 302         memset(sa, 0, sizeof(struct cn9k_ipsec_sa));
 303
 304         /* Initialize lookaside IPsec private data */
 305         sa->dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
 306         /* Start ip id from 1 */
 307         sa->ip_id = 1;
 308         sa->seq_lo = 1;
 309         sa->seq_hi = 0;
 310
 311         ret = fill_ipsec_common_sa(ipsec, crypto_xform, &out_sa->common_sa);
 312         if (ret)
 313                 return ret;
 314
 315         ret = cnxk_ipsec_outb_rlens_get(&sa->rlens, ipsec, crypto_xform);
 316         if (ret)
 317                 return ret;
 318
 319         if (ctl->enc_type == ROC_IE_ON_SA_ENC_AES_GCM ||
 320             ctl->auth_type == ROC_IE_ON_SA_AUTH_NULL) {
 321                 template = &out_sa->aes_gcm.template;
 322                 ctx_len = offsetof(struct roc_ie_on_outb_sa, aes_gcm.template);
 323         } else if (ctl->auth_type == ROC_IE_ON_SA_AUTH_SHA1) {
 324                 template = &out_sa->sha1.template;
 325                 ctx_len = offsetof(struct roc_ie_on_outb_sa, sha1.template);
 326         } else if (ctl->auth_type == ROC_IE_ON_SA_AUTH_SHA2_256) {
 327                 template = &out_sa->sha2.template;
 328                 ctx_len = offsetof(struct roc_ie_on_outb_sa, sha2.template);
 329         } else {
 330                 return -EINVAL;
 331         }
 332
 333         ip4 = (struct rte_ipv4_hdr *)&template->ip4.ipv4_hdr;
 334         if (ipsec->options.udp_encap) {
 335                 ip4->next_proto_id = IPPROTO_UDP;
 336                 template->ip4.udp_src = rte_be_to_cpu_16(4500);
 337                 template->ip4.udp_dst = rte_be_to_cpu_16(4500);
 338         } else {
 339                 ip4->next_proto_id = IPPROTO_ESP;
 340         }
 341
 342         if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
 343                 if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
 344                         ctx_len += sizeof(template->ip4);
 345
 346                         ip4->version_ihl = RTE_IPV4_VHL_DEF;
 347                         ip4->time_to_live = ipsec->tunnel.ipv4.ttl;
 348                         ip4->type_of_service |= (ipsec->tunnel.ipv4.dscp << 2);
 349                         if (ipsec->tunnel.ipv4.df)
 350                                 ip4->fragment_offset = BIT(14);
 351                         memcpy(&ip4->src_addr, &ipsec->tunnel.ipv4.src_ip,
 352                                sizeof(struct in_addr));
 353                         memcpy(&ip4->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
 354                                sizeof(struct in_addr));
 355                 } else if (ipsec->tunnel.type ==
 356                            RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
 357                         ctx_len += sizeof(template->ip6);
 358
 359                         ip6 = (struct rte_ipv6_hdr *)&template->ip6.ipv6_hdr;
 360                         if (ipsec->options.udp_encap) {
 361                                 ip6->proto = IPPROTO_UDP;
 362                                 template->ip6.udp_src = rte_be_to_cpu_16(4500);
 363                                 template->ip6.udp_dst = rte_be_to_cpu_16(4500);
 364                         } else {
 365                                 ip6->proto = (ipsec->proto ==
 366                                               RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
 367                                                      IPPROTO_ESP :
 368                                                      IPPROTO_AH;
 369                         }
 370                         ip6->vtc_flow =
 371                                 rte_cpu_to_be_32(0x60000000 |
 372                                                  ((ipsec->tunnel.ipv6.dscp
 373                                                    << RTE_IPV6_HDR_TC_SHIFT) &
 374                                                   RTE_IPV6_HDR_TC_MASK) |
 375                                                  ((ipsec->tunnel.ipv6.flabel
 376                                                    << RTE_IPV6_HDR_FL_SHIFT) &
 377                                                   RTE_IPV6_HDR_FL_MASK));
 378                         ip6->hop_limits = ipsec->tunnel.ipv6.hlimit;
 379                         memcpy(&ip6->src_addr, &ipsec->tunnel.ipv6.src_addr,
 380                                sizeof(struct in6_addr));
 381                         memcpy(&ip6->dst_addr, &ipsec->tunnel.ipv6.dst_addr,
 382                                sizeof(struct in6_addr));
 383                 }
 384         } else
 385                 ctx_len += sizeof(template->ip4);
 386
 387         ctx_len += RTE_ALIGN_CEIL(ctx_len, 8);
 388
 389         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 390                 sa->cipher_iv_off = crypto_xform->aead.iv.offset;
 391                 sa->cipher_iv_len = crypto_xform->aead.iv.length;
 392         } else {
 393                 sa->cipher_iv_off = crypto_xform->cipher.iv.offset;
 394                 sa->cipher_iv_len = crypto_xform->cipher.iv.length;
 395
 396                 auth_key = auth_xform->auth.key.data;
 397                 auth_key_len = auth_xform->auth.key.length;
 398
 399                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
 400                         memcpy(out_sa->sha1.hmac_key, auth_key, auth_key_len);
 401                 else if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
 402                         memcpy(out_sa->sha2.hmac_key, auth_key, auth_key_len);
 403         }
 404
 405         inst_tmpl = &sa->inst;
 406
 407         w4.u64 = 0;
 408         w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_OUTBOUND_IPSEC;
 409         w4.s.opcode_minor = ctx_len >> 3;
 410         w4.s.param1 = ROC_IE_ON_PER_PKT_IV;
 411         inst_tmpl->w4 = w4.u64;
 412
 413         w7.u64 = 0;
 414         w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
 415         w7.s.cptr = rte_mempool_virt2iova(out_sa);
 416         inst_tmpl->w7 = w7.u64;
 417
 418         return cn9k_cpt_enq_sa_write(
 419                 sa, qp, ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_OUTBOUND, ctx_len);
 420 }
 421
 422 static int
 423 cn9k_ipsec_inb_sa_create(struct cnxk_cpt_qp *qp,
 424                          struct rte_security_ipsec_xform *ipsec,
 425                          struct rte_crypto_sym_xform *crypto_xform,
 426                          struct rte_security_session *sec_sess)
 427 {
 428         struct rte_crypto_sym_xform *auth_xform = crypto_xform;
 429         struct roc_cpt *roc_cpt = qp->lf.roc_cpt;
 430         struct cnxk_cpt_inst_tmpl *inst_tmpl;
 431         struct roc_ie_on_inb_sa *in_sa;
 432         struct cn9k_sec_session *sess;
 433         struct cn9k_ipsec_sa *sa;
 434         const uint8_t *auth_key;
 435         union cpt_inst_w4 w4;
 436         union cpt_inst_w7 w7;
 437         int auth_key_len = 0;
 438         size_t ctx_len = 0;
 439         int ret;
 440
 441         sess = get_sec_session_private_data(sec_sess);
 442         sa = &sess->sa;
 443         in_sa = &sa->in_sa;
 444
 445         memset(sa, 0, sizeof(struct cn9k_ipsec_sa));
 446
 447         sa->dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
 448
 449         ret = fill_ipsec_common_sa(ipsec, crypto_xform, &in_sa->common_sa);
 450         if (ret)
 451                 return ret;
 452
 453         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD ||
 454             auth_xform->auth.algo == RTE_CRYPTO_AUTH_NULL) {
 455                 ctx_len = offsetof(struct roc_ie_on_inb_sa,
 456                                    sha1_or_gcm.hmac_key[0]);
 457         } else {
 458                 auth_key = auth_xform->auth.key.data;
 459                 auth_key_len = auth_xform->auth.key.length;
 460
 461                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
 462                         memcpy(in_sa->sha1_or_gcm.hmac_key, auth_key,
 463                                auth_key_len);
 464                         ctx_len = offsetof(struct roc_ie_on_inb_sa,
 465                                            sha1_or_gcm.selector);
 466                 } else if (auth_xform->auth.algo ==
 467                            RTE_CRYPTO_AUTH_SHA256_HMAC) {
 468                         memcpy(in_sa->sha2.hmac_key, auth_key, auth_key_len);
 469                         ctx_len = offsetof(struct roc_ie_on_inb_sa,
 470                                            sha2.selector);
 471                 }
 472         }
 473
 474         inst_tmpl = &sa->inst;
 475
 476         w4.u64 = 0;
 477         w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_INBOUND_IPSEC;
 478         w4.s.opcode_minor = ctx_len >> 3;
 479         inst_tmpl->w4 = w4.u64;
 480
 481         w7.u64 = 0;
 482         w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
 483         w7.s.cptr = rte_mempool_virt2iova(in_sa);
 484         inst_tmpl->w7 = w7.u64;
 485
 486         return cn9k_cpt_enq_sa_write(
 487                 sa, qp, ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_INBOUND, ctx_len);
 488 }
 489
 490 static inline int
 491 cn9k_ipsec_xform_verify(struct rte_security_ipsec_xform *ipsec)
 492 {
 493         if (ipsec->life.bytes_hard_limit != 0 ||
 494             ipsec->life.bytes_soft_limit != 0 ||
 495             ipsec->life.packets_hard_limit != 0 ||
 496             ipsec->life.packets_soft_limit != 0)
 497                 return -ENOTSUP;
 498
 499         return 0;
 500 }
 501
 502 static int
 503 cn9k_ipsec_session_create(void *dev,
 504                           struct rte_security_ipsec_xform *ipsec_xform,
 505                           struct rte_crypto_sym_xform *crypto_xform,
 506                           struct rte_security_session *sess)
 507 {
 508         struct rte_cryptodev *crypto_dev = dev;
 509         struct cnxk_cpt_qp *qp;
 510         int ret;
 511
 512         qp = crypto_dev->data->queue_pairs[0];
 513         if (qp == NULL) {
 514                 plt_err("CPT queue pairs need to be setup for creating security"
 515                         " session");
 516                 return -EPERM;
 517         }
 518
 519         ret = cnxk_ipsec_xform_verify(ipsec_xform, crypto_xform);
 520         if (ret)
 521                 return ret;
 522
 523         ret = cn9k_ipsec_xform_verify(ipsec_xform);
 524         if (ret)
 525                 return ret;
 526
 527         if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
 528                 return cn9k_ipsec_inb_sa_create(qp, ipsec_xform, crypto_xform,
 529                                                 sess);
 530         else
 531                 return cn9k_ipsec_outb_sa_create(qp, ipsec_xform, crypto_xform,
 532                                                  sess);
 533 }
 534
 535 static int
 536 cn9k_sec_session_create(void *device, struct rte_security_session_conf *conf,
 537                         struct rte_security_session *sess,
 538                         struct rte_mempool *mempool)
 539 {
 540         struct cn9k_sec_session *priv;
 541         int ret;
 542
 543         if (conf->action_type != RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
 544                 return -EINVAL;
 545
 546         if (rte_mempool_get(mempool, (void **)&priv)) {
 547                 plt_err("Could not allocate security session private data");
 548                 return -ENOMEM;
 549         }
 550
 551         memset(priv, 0, sizeof(*priv));
 552
 553         set_sec_session_private_data(sess, priv);
 554
 555         if (conf->protocol != RTE_SECURITY_PROTOCOL_IPSEC) {
 556                 ret = -ENOTSUP;
 557                 goto mempool_put;
 558         }
 559
 560         ret = cn9k_ipsec_session_create(device, &conf->ipsec,
 561                                         conf->crypto_xform, sess);
 562         if (ret)
 563                 goto mempool_put;
 564
 565         return 0;
 566
 567 mempool_put:
 568         rte_mempool_put(mempool, priv);
 569         set_sec_session_private_data(sess, NULL);
 570         return ret;
 571 }
 572
 573 static int
 574 cn9k_sec_session_destroy(void *device __rte_unused,
 575                          struct rte_security_session *sess)
 576 {
 577         struct roc_ie_on_outb_sa *out_sa;
 578         struct cn9k_sec_session *priv;
 579         struct rte_mempool *sess_mp;
 580         struct roc_ie_on_sa_ctl *ctl;
 581         struct cn9k_ipsec_sa *sa;
 582
 583         priv = get_sec_session_private_data(sess);
 584         if (priv == NULL)
 585                 return 0;
 586
 587         sa = &priv->sa;
 588         out_sa = &sa->out_sa;
 589
 590         ctl = &out_sa->common_sa.ctl;
 591         ctl->valid = 0;
 592
 593         rte_io_wmb();
 594
 595         sess_mp = rte_mempool_from_obj(priv);
 596
 597         memset(priv, 0, sizeof(*priv));
 598
 599         set_sec_session_private_data(sess, NULL);
 600         rte_mempool_put(sess_mp, priv);
 601
 602         return 0;
 603 }
 604
 605 static unsigned int
 606 cn9k_sec_session_get_size(void *device __rte_unused)
 607 {
 608         return sizeof(struct cn9k_sec_session);
 609 }
 610
 611 /* Update platform specific security ops */
 612 void
 613 cn9k_sec_ops_override(void)
 614 {
 615         /* Update platform specific ops */
 616         cnxk_sec_ops.session_create = cn9k_sec_session_create;
 617         cnxk_sec_ops.session_destroy = cn9k_sec_session_destroy;
 618         cnxk_sec_ops.session_get_size = cn9k_sec_session_get_size;
 619 }