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 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
  78                 lp->partial_len += OTX2_SEC_SHA2_HMAC_LEN;
  79         else
  80                 return -EINVAL;
  81
  82         return 0;
  83 }
  84
  85 static int
  86 otx2_cpt_enq_sa_write(struct otx2_sec_session_ipsec_lp *lp,
  87                       struct otx2_cpt_qp *qptr, uint8_t opcode)
  88 {
  89         uint64_t lmt_status, time_out;
  90         void *lmtline = qptr->lmtline;
  91         struct otx2_cpt_inst_s inst;
  92         struct otx2_cpt_res *res;
  93         uint64_t *mdata;
  94         int ret = 0;
  95
  96         if (unlikely(rte_mempool_get(qptr->meta_info.pool,
  97                                      (void **)&mdata) < 0))
  98                 return -ENOMEM;
  99
 100         res = (struct otx2_cpt_res *)RTE_PTR_ALIGN(mdata, 16);
 101         res->compcode = CPT_9X_COMP_E_NOTDONE;
 102
 103         inst.opcode = opcode | (lp->ctx_len << 8);
 104         inst.param1 = 0;
 105         inst.param2 = 0;
 106         inst.dlen = lp->ctx_len << 3;
 107         inst.dptr = rte_mempool_virt2iova(lp);
 108         inst.rptr = 0;
 109         inst.cptr = rte_mempool_virt2iova(lp);
 110         inst.egrp  = OTX2_CPT_EGRP_SE;
 111
 112         inst.u64[0] = 0;
 113         inst.u64[2] = 0;
 114         inst.u64[3] = 0;
 115         inst.res_addr = rte_mempool_virt2iova(res);
 116
 117         rte_io_wmb();
 118
 119         do {
 120                 /* Copy CPT command to LMTLINE */
 121                 otx2_lmt_mov(lmtline, &inst, 2);
 122                 lmt_status = otx2_lmt_submit(qptr->lf_nq_reg);
 123         } while (lmt_status == 0);
 124
 125         time_out = rte_get_timer_cycles() +
 126                         DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
 127
 128         while (res->compcode == CPT_9X_COMP_E_NOTDONE) {
 129                 if (rte_get_timer_cycles() > time_out) {
 130                         rte_mempool_put(qptr->meta_info.pool, mdata);
 131                         otx2_err("Request timed out");
 132                         return -ETIMEDOUT;
 133                 }
 134             rte_io_rmb();
 135         }
 136
 137         if (unlikely(res->compcode != CPT_9X_COMP_E_GOOD)) {
 138                 ret = res->compcode;
 139                 switch (ret) {
 140                 case CPT_9X_COMP_E_INSTERR:
 141                         otx2_err("Request failed with instruction error");
 142                         break;
 143                 case CPT_9X_COMP_E_FAULT:
 144                         otx2_err("Request failed with DMA fault");
 145                         break;
 146                 case CPT_9X_COMP_E_HWERR:
 147                         otx2_err("Request failed with hardware error");
 148                         break;
 149                 default:
 150                         otx2_err("Request failed with unknown hardware "
 151                                  "completion code : 0x%x", ret);
 152                 }
 153                 goto mempool_put;
 154         }
 155
 156         if (unlikely(res->uc_compcode != OTX2_IPSEC_PO_CC_SUCCESS)) {
 157                 ret = res->uc_compcode;
 158                 switch (ret) {
 159                 case OTX2_IPSEC_PO_CC_AUTH_UNSUPPORTED:
 160                         otx2_err("Invalid auth type");
 161                         break;
 162                 case OTX2_IPSEC_PO_CC_ENCRYPT_UNSUPPORTED:
 163                         otx2_err("Invalid encrypt type");
 164                         break;
 165                 default:
 166                         otx2_err("Request failed with unknown microcode "
 167                                  "completion code : 0x%x", ret);
 168                 }
 169         }
 170
 171 mempool_put:
 172         rte_mempool_put(qptr->meta_info.pool, mdata);
 173         return ret;
 174 }
 175
 176 static void
 177 set_session_misc_attributes(struct otx2_sec_session_ipsec_lp *sess,
 178                             struct rte_crypto_sym_xform *crypto_xform,
 179                             struct rte_crypto_sym_xform *auth_xform,
 180                             struct rte_crypto_sym_xform *cipher_xform)
 181 {
 182         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 183                 sess->iv_offset = crypto_xform->aead.iv.offset;
 184                 sess->iv_length = crypto_xform->aead.iv.length;
 185                 sess->aad_length = crypto_xform->aead.aad_length;
 186                 sess->mac_len = crypto_xform->aead.digest_length;
 187         } else {
 188                 sess->iv_offset = cipher_xform->cipher.iv.offset;
 189                 sess->iv_length = cipher_xform->cipher.iv.length;
 190                 sess->auth_iv_offset = auth_xform->auth.iv.offset;
 191                 sess->auth_iv_length = auth_xform->auth.iv.length;
 192                 sess->mac_len = auth_xform->auth.digest_length;
 193         }
 194
 195         sess->ucmd_param1 = OTX2_IPSEC_PO_PER_PKT_IV;
 196         sess->ucmd_param2 = 0;
 197 }
 198
 199 static int
 200 crypto_sec_ipsec_outb_session_create(struct rte_cryptodev *crypto_dev,
 201                                      struct rte_security_ipsec_xform *ipsec,
 202                                      struct rte_crypto_sym_xform *crypto_xform,
 203                                      struct rte_security_session *sec_sess)
 204 {
 205         struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
 206         struct otx2_ipsec_po_ip_template *template;
 207         const uint8_t *cipher_key, *auth_key;
 208         struct otx2_sec_session_ipsec_lp *lp;
 209         struct otx2_ipsec_po_sa_ctl *ctl;
 210         int cipher_key_len, auth_key_len;
 211         struct otx2_ipsec_po_out_sa *sa;
 212         struct otx2_sec_session *sess;
 213         struct otx2_cpt_inst_s inst;
 214         struct rte_ipv6_hdr *ip6;
 215         struct rte_ipv4_hdr *ip;
 216         int ret, ctx_len;
 217
 218         sess = get_sec_session_private_data(sec_sess);
 219         sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_EGRESS;
 220         lp = &sess->ipsec.lp;
 221
 222         sa = &lp->out_sa;
 223         ctl = &sa->ctl;
 224         if (ctl->valid) {
 225                 otx2_err("SA already registered");
 226                 return -EINVAL;
 227         }
 228
 229         memset(sa, 0, sizeof(struct otx2_ipsec_po_out_sa));
 230
 231         /* Initialize lookaside ipsec private data */
 232         lp->ip_id = 0;
 233         lp->seq_lo = 1;
 234         lp->seq_hi = 0;
 235         lp->tunnel_type = ipsec->tunnel.type;
 236
 237         ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
 238         if (ret)
 239                 return ret;
 240
 241         ret = ipsec_lp_len_precalc(ipsec, crypto_xform, lp);
 242         if (ret)
 243                 return ret;
 244
 245         if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
 246                 /* Start ip id from 1 */
 247                 lp->ip_id = 1;
 248
 249                 if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
 250
 251                         if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
 252                                 template = &sa->aes_gcm.template;
 253                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 254                                                 aes_gcm.template) + sizeof(
 255                                                 sa->aes_gcm.template.ip4);
 256                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 257                                 lp->ctx_len = ctx_len >> 3;
 258                         } else if (ctl->auth_type ==
 259                                         OTX2_IPSEC_PO_SA_AUTH_SHA1) {
 260                                 template = &sa->sha1.template;
 261                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 262                                                 sha1.template) + sizeof(
 263                                                 sa->sha1.template.ip4);
 264                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 265                                 lp->ctx_len = ctx_len >> 3;
 266                         } else if (ctl->auth_type ==
 267                                         OTX2_IPSEC_PO_SA_AUTH_SHA2_256) {
 268                                 template = &sa->sha2.template;
 269                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 270                                                 sha2.template) + sizeof(
 271                                                 sa->sha2.template.ip4);
 272                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 273                                 lp->ctx_len = ctx_len >> 3;
 274                         } else {
 275                                 return -EINVAL;
 276                         }
 277                         ip = &template->ip4.ipv4_hdr;
 278                         if (ipsec->options.udp_encap) {
 279                                 ip->next_proto_id = IPPROTO_UDP;
 280                                 template->ip4.udp_src = rte_be_to_cpu_16(4500);
 281                                 template->ip4.udp_dst = rte_be_to_cpu_16(4500);
 282                         } else {
 283                                 ip->next_proto_id = IPPROTO_ESP;
 284                         }
 285                         ip->version_ihl = RTE_IPV4_VHL_DEF;
 286                         ip->time_to_live = ipsec->tunnel.ipv4.ttl;
 287                         ip->type_of_service |= (ipsec->tunnel.ipv4.dscp << 2);
 288                         if (ipsec->tunnel.ipv4.df)
 289                                 ip->fragment_offset = BIT(14);
 290                         memcpy(&ip->src_addr, &ipsec->tunnel.ipv4.src_ip,
 291                                 sizeof(struct in_addr));
 292                         memcpy(&ip->dst_addr, &ipsec->tunnel.ipv4.dst_ip,
 293                                 sizeof(struct in_addr));
 294                 } else if (ipsec->tunnel.type ==
 295                                 RTE_SECURITY_IPSEC_TUNNEL_IPV6) {
 296
 297                         if (ctl->enc_type == OTX2_IPSEC_PO_SA_ENC_AES_GCM) {
 298                                 template = &sa->aes_gcm.template;
 299                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 300                                                 aes_gcm.template) + sizeof(
 301                                                 sa->aes_gcm.template.ip6);
 302                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 303                                 lp->ctx_len = ctx_len >> 3;
 304                         } else if (ctl->auth_type ==
 305                                         OTX2_IPSEC_PO_SA_AUTH_SHA1) {
 306                                 template = &sa->sha1.template;
 307                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 308                                                 sha1.template) + sizeof(
 309                                                 sa->sha1.template.ip6);
 310                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 311                                 lp->ctx_len = ctx_len >> 3;
 312                         } else if (ctl->auth_type ==
 313                                         OTX2_IPSEC_PO_SA_AUTH_SHA2_256) {
 314                                 template = &sa->sha2.template;
 315                                 ctx_len = offsetof(struct otx2_ipsec_po_out_sa,
 316                                                 sha2.template) + sizeof(
 317                                                 sa->sha2.template.ip6);
 318                                 ctx_len = RTE_ALIGN_CEIL(ctx_len, 8);
 319                                 lp->ctx_len = ctx_len >> 3;
 320                         } else {
 321                                 return -EINVAL;
 322                         }
 323
 324                         ip6 = &template->ip6.ipv6_hdr;
 325                         if (ipsec->options.udp_encap) {
 326                                 ip6->proto = IPPROTO_UDP;
 327                                 template->ip6.udp_src = rte_be_to_cpu_16(4500);
 328                                 template->ip6.udp_dst = rte_be_to_cpu_16(4500);
 329                         } else {
 330                                 ip6->proto = (ipsec->proto ==
 331                                         RTE_SECURITY_IPSEC_SA_PROTO_ESP) ?
 332                                         IPPROTO_ESP : IPPROTO_AH;
 333                         }
 334                         ip6->vtc_flow = rte_cpu_to_be_32(0x60000000 |
 335                                 ((ipsec->tunnel.ipv6.dscp <<
 336                                         RTE_IPV6_HDR_TC_SHIFT) &
 337                                         RTE_IPV6_HDR_TC_MASK) |
 338                                 ((ipsec->tunnel.ipv6.flabel <<
 339                                         RTE_IPV6_HDR_FL_SHIFT) &
 340                                         RTE_IPV6_HDR_FL_MASK));
 341                         ip6->hop_limits = ipsec->tunnel.ipv6.hlimit;
 342                         memcpy(&ip6->src_addr, &ipsec->tunnel.ipv6.src_addr,
 343                                 sizeof(struct in6_addr));
 344                         memcpy(&ip6->dst_addr, &ipsec->tunnel.ipv6.dst_addr,
 345                                 sizeof(struct in6_addr));
 346                 } else {
 347                         return -EINVAL;
 348                 }
 349         } else {
 350                 return -EINVAL;
 351         }
 352
 353         cipher_xform = crypto_xform;
 354         auth_xform = crypto_xform->next;
 355
 356         cipher_key_len = 0;
 357         auth_key_len = 0;
 358
 359         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 360                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
 361                         memcpy(sa->iv.gcm.nonce, &ipsec->salt, 4);
 362                 cipher_key = crypto_xform->aead.key.data;
 363                 cipher_key_len = crypto_xform->aead.key.length;
 364         } else {
 365                 cipher_key = cipher_xform->cipher.key.data;
 366                 cipher_key_len = cipher_xform->cipher.key.length;
 367                 auth_key = auth_xform->auth.key.data;
 368                 auth_key_len = auth_xform->auth.key.length;
 369
 370                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC)
 371                         memcpy(sa->sha1.hmac_key, auth_key, auth_key_len);
 372                 else if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)
 373                         memcpy(sa->sha2.hmac_key, auth_key, auth_key_len);
 374         }
 375
 376         if (cipher_key_len != 0)
 377                 memcpy(sa->cipher_key, cipher_key, cipher_key_len);
 378         else
 379                 return -EINVAL;
 380
 381         inst.u64[7] = 0;
 382         inst.egrp = OTX2_CPT_EGRP_SE;
 383         inst.cptr = rte_mempool_virt2iova(sa);
 384
 385         lp->cpt_inst_w7 = inst.u64[7];
 386         lp->ucmd_opcode = (lp->ctx_len << 8) |
 387                                 (OTX2_IPSEC_PO_PROCESS_IPSEC_OUTB);
 388
 389         set_session_misc_attributes(lp, crypto_xform,
 390                                     auth_xform, cipher_xform);
 391
 392         return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
 393                                      OTX2_IPSEC_PO_WRITE_IPSEC_OUTB);
 394 }
 395
 396 static int
 397 crypto_sec_ipsec_inb_session_create(struct rte_cryptodev *crypto_dev,
 398                                     struct rte_security_ipsec_xform *ipsec,
 399                                     struct rte_crypto_sym_xform *crypto_xform,
 400                                     struct rte_security_session *sec_sess)
 401 {
 402         struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
 403         const uint8_t *cipher_key, *auth_key;
 404         struct otx2_sec_session_ipsec_lp *lp;
 405         struct otx2_ipsec_po_sa_ctl *ctl;
 406         int cipher_key_len, auth_key_len;
 407         struct otx2_ipsec_po_in_sa *sa;
 408         struct otx2_sec_session *sess;
 409         struct otx2_cpt_inst_s inst;
 410         int ret;
 411
 412         sess = get_sec_session_private_data(sec_sess);
 413         sess->ipsec.dir = RTE_SECURITY_IPSEC_SA_DIR_INGRESS;
 414         lp = &sess->ipsec.lp;
 415
 416         sa = &lp->in_sa;
 417         ctl = &sa->ctl;
 418
 419         if (ctl->valid) {
 420                 otx2_err("SA already registered");
 421                 return -EINVAL;
 422         }
 423
 424         memset(sa, 0, sizeof(struct otx2_ipsec_po_in_sa));
 425         sa->replay_win_sz = ipsec->replay_win_sz;
 426
 427         ret = ipsec_po_sa_ctl_set(ipsec, crypto_xform, ctl);
 428         if (ret)
 429                 return ret;
 430
 431         lp->tunnel_type = ipsec->tunnel.type;
 432         auth_xform = crypto_xform;
 433         cipher_xform = crypto_xform->next;
 434
 435         cipher_key_len = 0;
 436         auth_key_len = 0;
 437
 438         if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
 439                 if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
 440                         memcpy(sa->iv.gcm.nonce, &ipsec->salt, 4);
 441                 cipher_key = crypto_xform->aead.key.data;
 442                 cipher_key_len = crypto_xform->aead.key.length;
 443
 444                 lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
 445                                             aes_gcm.hmac_key[0]) >> 3;
 446                 RTE_ASSERT(lp->ctx_len == OTX2_IPSEC_PO_AES_GCM_INB_CTX_LEN);
 447         } else {
 448                 cipher_key = cipher_xform->cipher.key.data;
 449                 cipher_key_len = cipher_xform->cipher.key.length;
 450                 auth_key = auth_xform->auth.key.data;
 451                 auth_key_len = auth_xform->auth.key.length;
 452
 453                 if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
 454                         memcpy(sa->aes_gcm.hmac_key, auth_key, auth_key_len);
 455                         lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
 456                                                     aes_gcm.selector) >> 3;
 457                 } else if (auth_xform->auth.algo ==
 458                                 RTE_CRYPTO_AUTH_SHA256_HMAC) {
 459                         memcpy(sa->sha2.hmac_key, auth_key, auth_key_len);
 460                         lp->ctx_len = offsetof(struct otx2_ipsec_po_in_sa,
 461                                                     sha2.selector) >> 3;
 462                 }
 463         }
 464
 465         if (cipher_key_len != 0)
 466                 memcpy(sa->cipher_key, cipher_key, cipher_key_len);
 467         else
 468                 return -EINVAL;
 469
 470         inst.u64[7] = 0;
 471         inst.egrp = OTX2_CPT_EGRP_SE;
 472         inst.cptr = rte_mempool_virt2iova(sa);
 473
 474         lp->cpt_inst_w7 = inst.u64[7];
 475         lp->ucmd_opcode = (lp->ctx_len << 8) |
 476                                 (OTX2_IPSEC_PO_PROCESS_IPSEC_INB);
 477
 478         set_session_misc_attributes(lp, crypto_xform,
 479                                     auth_xform, cipher_xform);
 480
 481         if (sa->replay_win_sz) {
 482                 if (sa->replay_win_sz > OTX2_IPSEC_MAX_REPLAY_WIN_SZ) {
 483                         otx2_err("Replay window size is not supported");
 484                         return -ENOTSUP;
 485                 }
 486                 sa->replay = rte_zmalloc(NULL, sizeof(struct otx2_ipsec_replay),
 487                                 0);
 488                 if (sa->replay == NULL)
 489                         return -ENOMEM;
 490
 491                 /* Set window bottom to 1, base and top to size of window */
 492                 sa->replay->winb = 1;
 493                 sa->replay->wint = sa->replay_win_sz;
 494                 sa->replay->base = sa->replay_win_sz;
 495                 sa->esn_low = 0;
 496                 sa->esn_hi = 0;
 497         }
 498
 499         return otx2_cpt_enq_sa_write(lp, crypto_dev->data->queue_pairs[0],
 500                                      OTX2_IPSEC_PO_WRITE_IPSEC_INB);
 501 }
 502
 503 static int
 504 crypto_sec_ipsec_session_create(struct rte_cryptodev *crypto_dev,
 505                                 struct rte_security_ipsec_xform *ipsec,
 506                                 struct rte_crypto_sym_xform *crypto_xform,
 507                                 struct rte_security_session *sess)
 508 {
 509         int ret;
 510
 511         if (crypto_dev->data->queue_pairs[0] == NULL) {
 512                 otx2_err("Setup cpt queue pair before creating sec session");
 513                 return -EPERM;
 514         }
 515
 516         ret = ipsec_po_xform_verify(ipsec, crypto_xform);
 517         if (ret)
 518                 return ret;
 519
 520         if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
 521                 return crypto_sec_ipsec_inb_session_create(crypto_dev, ipsec,
 522                                                            crypto_xform, sess);
 523         else
 524                 return crypto_sec_ipsec_outb_session_create(crypto_dev, ipsec,
 525                                                             crypto_xform, sess);
 526 }
 527
 528 static int
 529 otx2_crypto_sec_session_create(void *device,
 530                                struct rte_security_session_conf *conf,
 531                                struct rte_security_session *sess,
 532                                struct rte_mempool *mempool)
 533 {
 534         struct otx2_sec_session *priv;
 535         int ret;
 536
 537         if (conf->action_type != RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
 538                 return -ENOTSUP;
 539
 540         if (rte_security_dynfield_register() < 0)
 541                 return -rte_errno;
 542
 543         if (rte_mempool_get(mempool, (void **)&priv)) {
 544                 otx2_err("Could not allocate security session private data");
 545                 return -ENOMEM;
 546         }
 547
 548         set_sec_session_private_data(sess, priv);
 549
 550         priv->userdata = conf->userdata;
 551
 552         if (conf->protocol == RTE_SECURITY_PROTOCOL_IPSEC)
 553                 ret = crypto_sec_ipsec_session_create(device, &conf->ipsec,
 554                                                       conf->crypto_xform,
 555                                                       sess);
 556         else
 557                 ret = -ENOTSUP;
 558
 559         if (ret)
 560                 goto mempool_put;
 561
 562         return 0;
 563
 564 mempool_put:
 565         rte_mempool_put(mempool, priv);
 566         set_sec_session_private_data(sess, NULL);
 567         return ret;
 568 }
 569
 570 static int
 571 otx2_crypto_sec_session_destroy(void *device __rte_unused,
 572                                 struct rte_security_session *sess)
 573 {
 574         struct otx2_sec_session *priv;
 575         struct rte_mempool *sess_mp;
 576
 577         priv = get_sec_session_private_data(sess);
 578
 579         if (priv == NULL)
 580                 return 0;
 581
 582         sess_mp = rte_mempool_from_obj(priv);
 583
 584         set_sec_session_private_data(sess, NULL);
 585         rte_mempool_put(sess_mp, priv);
 586
 587         return 0;
 588 }
 589
 590 static unsigned int
 591 otx2_crypto_sec_session_get_size(void *device __rte_unused)
 592 {
 593         return sizeof(struct otx2_sec_session);
 594 }
 595
 596 static int
 597 otx2_crypto_sec_set_pkt_mdata(void *device __rte_unused,
 598                               struct rte_security_session *session,
 599                               struct rte_mbuf *m, void *params __rte_unused)
 600 {
 601         /* Set security session as the pkt metadata */
 602         *rte_security_dynfield(m) = (rte_security_dynfield_t)session;
 603
 604         return 0;
 605 }
 606
 607 static int
 608 otx2_crypto_sec_get_userdata(void *device __rte_unused, uint64_t md,
 609                              void **userdata)
 610 {
 611         /* Retrieve userdata  */
 612         *userdata = (void *)md;
 613
 614         return 0;
 615 }
 616
 617 static struct rte_security_ops otx2_crypto_sec_ops = {
 618         .session_create         = otx2_crypto_sec_session_create,
 619         .session_destroy        = otx2_crypto_sec_session_destroy,
 620         .session_get_size       = otx2_crypto_sec_session_get_size,
 621         .set_pkt_metadata       = otx2_crypto_sec_set_pkt_mdata,
 622         .get_userdata           = otx2_crypto_sec_get_userdata,
 623         .capabilities_get       = otx2_crypto_sec_capabilities_get
 624 };
 625
 626 int
 627 otx2_crypto_sec_ctx_create(struct rte_cryptodev *cdev)
 628 {
 629         struct rte_security_ctx *ctx;
 630
 631         ctx = rte_malloc("otx2_cpt_dev_sec_ctx",
 632                          sizeof(struct rte_security_ctx), 0);
 633
 634         if (ctx == NULL)
 635                 return -ENOMEM;
 636
 637         /* Populate ctx */
 638         ctx->device = cdev;
 639         ctx->ops = &otx2_crypto_sec_ops;
 640         ctx->sess_cnt = 0;
 641
 642         cdev->security_ctx = ctx;
 643
 644         return 0;
 645 }
 646
 647 void
 648 otx2_crypto_sec_ctx_destroy(struct rte_cryptodev *cdev)
 649 {
 650         rte_free(cdev->security_ctx);
 651 }