drivers/crypto/dpaa_sec/dpaa_sec.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  *   Copyright 2016 NXP
   4  *
   5  */
   6
   7 #ifndef _DPAA_SEC_H_
   8 #define _DPAA_SEC_H_
   9
  10 #define CRYPTODEV_NAME_DPAA_SEC_PMD     crypto_dpaa_sec
  11 /**< NXP DPAA - SEC PMD device name */
  12
  13 #define MAX_DPAA_CORES          4
  14 #define NUM_POOL_CHANNELS       4
  15 #define DPAA_SEC_BURST          7
  16 #define DPAA_SEC_ALG_UNSUPPORT  (-1)
  17 #define TDES_CBC_IV_LEN         8
  18 #define AES_CBC_IV_LEN          16
  19 #define AES_CTR_IV_LEN          16
  20 #define AES_GCM_IV_LEN          12
  21
  22 #define DPAA_IPv6_DEFAULT_VTC_FLOW      0x60000000
  23
  24 /* Minimum job descriptor consists of a oneword job descriptor HEADER and
  25  * a pointer to the shared descriptor.
  26  */
  27 #define MIN_JOB_DESC_SIZE       (CAAM_CMD_SZ + CAAM_PTR_SZ)
  28 /* CTX_POOL_NUM_BUFS is set as per the ipsec-secgw application */
  29 #define CTX_POOL_NUM_BUFS       32000
  30 #define CTX_POOL_BUF_SIZE       sizeof(struct dpaa_sec_op_ctx)
  31 #define CTX_POOL_CACHE_SIZE     512
  32 #define RTE_DPAA_SEC_PMD_MAX_NB_SESSIONS 1024
  33
  34 #define DIR_ENC                 1
  35 #define DIR_DEC                 0
  36
  37 enum dpaa_sec_op_type {
  38         DPAA_SEC_NONE,  /*!< No Cipher operations*/
  39         DPAA_SEC_CIPHER,/*!< CIPHER operations */
  40         DPAA_SEC_AUTH,  /*!< Authentication Operations */
  41         DPAA_SEC_AEAD,  /*!< Authenticated Encryption with associated data */
  42         DPAA_SEC_IPSEC, /*!< IPSEC protocol operations*/
  43         DPAA_SEC_PDCP,  /*!< PDCP protocol operations*/
  44         DPAA_SEC_PKC,   /*!< Public Key Cryptographic Operations */
  45         DPAA_SEC_MAX
  46 };
  47
  48
  49 #define DPAA_SEC_MAX_DESC_SIZE  64
  50 /* code or cmd block to caam */
  51 struct sec_cdb {
  52         struct {
  53                 union {
  54                         uint32_t word;
  55                         struct {
  56 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
  57                                 uint16_t rsvd63_48;
  58                                 unsigned int rsvd47_39:9;
  59                                 unsigned int idlen:7;
  60 #else
  61                                 unsigned int idlen:7;
  62                                 unsigned int rsvd47_39:9;
  63                                 uint16_t rsvd63_48;
  64 #endif
  65                         } field;
  66                 } __packed hi;
  67
  68                 union {
  69                         uint32_t word;
  70                         struct {
  71 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
  72                                 unsigned int rsvd31_30:2;
  73                                 unsigned int fsgt:1;
  74                                 unsigned int lng:1;
  75                                 unsigned int offset:2;
  76                                 unsigned int abs:1;
  77                                 unsigned int add_buf:1;
  78                                 uint8_t pool_id;
  79                                 uint16_t pool_buffer_size;
  80 #else
  81                                 uint16_t pool_buffer_size;
  82                                 uint8_t pool_id;
  83                                 unsigned int add_buf:1;
  84                                 unsigned int abs:1;
  85                                 unsigned int offset:2;
  86                                 unsigned int lng:1;
  87                                 unsigned int fsgt:1;
  88                                 unsigned int rsvd31_30:2;
  89 #endif
  90                         } field;
  91                 } __packed lo;
  92         } __packed sh_hdr;
  93
  94         uint32_t sh_desc[DPAA_SEC_MAX_DESC_SIZE];
  95 };
  96
  97 /*!
  98  * The structure is to be filled by user as a part of
  99  * dpaa_sec_proto_ctxt for PDCP Protocol
 100  */
 101 struct sec_pdcp_ctxt {
 102         enum rte_security_pdcp_domain domain; /*!< Data/Control mode*/
 103         int8_t bearer;  /*!< PDCP bearer ID */
 104         int8_t pkt_dir;/*!< PDCP Frame Direction 0:UL 1:DL*/
 105         int8_t hfn_ovd;/*!< Overwrite HFN per packet*/
 106         uint32_t hfn;   /*!< Hyper Frame Number */
 107         uint32_t hfn_threshold; /*!< HFN Threashold for key renegotiation */
 108         uint8_t sn_size;        /*!< Sequence number size, 7/12/15 */
 109 };
 110
 111 typedef struct dpaa_sec_session_entry {
 112         uint8_t dir;         /*!< Operation Direction */
 113         enum rte_crypto_cipher_algorithm cipher_alg; /*!< Cipher Algorithm*/
 114         enum rte_crypto_auth_algorithm auth_alg; /*!< Authentication Algorithm*/
 115         enum rte_crypto_aead_algorithm aead_alg; /*!< AEAD Algorithm*/
 116         enum rte_security_session_protocol proto_alg; /*!< Security Algorithm*/
 117         union {
 118                 struct {
 119                         uint8_t *data;  /**< pointer to key data */
 120                         size_t length;  /**< key length in bytes */
 121                 } aead_key;
 122                 struct {
 123                         struct {
 124                                 uint8_t *data;  /**< pointer to key data */
 125                                 size_t length;  /**< key length in bytes */
 126                         } cipher_key;
 127                         struct {
 128                                 uint8_t *data;  /**< pointer to key data */
 129                                 size_t length;  /**< key length in bytes */
 130                         } auth_key;
 131                 };
 132         };
 133         union {
 134                 struct {
 135                         struct {
 136                                 uint16_t length;
 137                                 uint16_t offset;
 138                         } iv;   /**< Initialisation vector parameters */
 139                         uint16_t auth_only_len;
 140                                         /*!< Length of data for Auth only */
 141                         uint32_t digest_length;
 142                         struct ipsec_decap_pdb decap_pdb;
 143                         struct ipsec_encap_pdb encap_pdb;
 144                         union {
 145                                 struct ip ip4_hdr;
 146                                 struct rte_ipv6_hdr ip6_hdr;
 147                         };
 148                 };
 149                 struct sec_pdcp_ctxt pdcp;
 150         };
 151         struct dpaa_sec_qp *qp[MAX_DPAA_CORES];
 152         struct qman_fq *inq[MAX_DPAA_CORES];
 153         struct sec_cdb cdb;     /**< cmd block associated with qp */
 154         struct rte_mempool *ctx_pool; /* session mempool for dpaa_sec_op_ctx */
 155 } dpaa_sec_session;
 156
 157 struct dpaa_sec_qp {
 158         struct dpaa_sec_dev_private *internals;
 159         struct qman_fq outq;
 160         int rx_pkts;
 161         int rx_errs;
 162         int tx_pkts;
 163         int tx_errs;
 164 };
 165
 166 #define RTE_DPAA_MAX_NB_SEC_QPS 2
 167 #define RTE_DPAA_MAX_RX_QUEUE (MAX_DPAA_CORES * RTE_DPAA_SEC_PMD_MAX_NB_SESSIONS)
 168 #define DPAA_MAX_DEQUEUE_NUM_FRAMES 63
 169
 170 /* internal sec queue interface */
 171 struct dpaa_sec_dev_private {
 172         void *sec_hw;
 173         struct rte_mempool *ctx_pool; /* per dev mempool for dpaa_sec_op_ctx */
 174         struct dpaa_sec_qp qps[RTE_DPAA_MAX_NB_SEC_QPS]; /* i/o queue for sec */
 175         struct qman_fq inq[RTE_DPAA_MAX_RX_QUEUE];
 176         unsigned char inq_attach[RTE_DPAA_MAX_RX_QUEUE];
 177         unsigned int max_nb_queue_pairs;
 178         unsigned int max_nb_sessions;
 179         rte_spinlock_t lock;
 180 };
 181
 182 #define MAX_SG_ENTRIES          16
 183 #define SG_CACHELINE_0          0
 184 #define SG_CACHELINE_1          4
 185 #define SG_CACHELINE_2          8
 186 #define SG_CACHELINE_3          12
 187 struct dpaa_sec_job {
 188         /* sg[0] output, sg[1] input, others are possible sub frames */
 189         struct qm_sg_entry sg[MAX_SG_ENTRIES];
 190 };
 191
 192 #define DPAA_MAX_NB_MAX_DIGEST  32
 193 struct dpaa_sec_op_ctx {
 194         struct dpaa_sec_job job;
 195         struct rte_crypto_op *op;
 196         struct rte_mempool *ctx_pool; /* mempool pointer for dpaa_sec_op_ctx */
 197         uint32_t fd_status;
 198         int64_t vtop_offset;
 199         uint8_t digest[DPAA_MAX_NB_MAX_DIGEST];
 200 };
 201
 202 static const struct rte_cryptodev_capabilities dpaa_sec_capabilities[] = {
 203         {       /* MD5 HMAC */
 204                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 205                 {.sym = {
 206                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 207                         {.auth = {
 208                                 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
 209                                 .block_size = 64,
 210                                 .key_size = {
 211                                         .min = 1,
 212                                         .max = 64,
 213                                         .increment = 1
 214                                 },
 215                                 .digest_size = {
 216                                         .min = 1,
 217                                         .max = 16,
 218                                         .increment = 1
 219                                 },
 220                                 .iv_size = { 0 }
 221                         }, }
 222                 }, }
 223         },
 224         {       /* SHA1 HMAC */
 225                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 226                 {.sym = {
 227                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 228                         {.auth = {
 229                                 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
 230                                 .block_size = 64,
 231                                 .key_size = {
 232                                         .min = 1,
 233                                         .max = 64,
 234                                         .increment = 1
 235                                 },
 236                                 .digest_size = {
 237                                         .min = 1,
 238                                         .max = 20,
 239                                         .increment = 1
 240                                 },
 241                                 .iv_size = { 0 }
 242                         }, }
 243                 }, }
 244         },
 245         {       /* SHA224 HMAC */
 246                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 247                 {.sym = {
 248                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 249                         {.auth = {
 250                                 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
 251                                 .block_size = 64,
 252                                 .key_size = {
 253                                         .min = 1,
 254                                         .max = 64,
 255                                         .increment = 1
 256                                 },
 257                                 .digest_size = {
 258                                         .min = 1,
 259                                         .max = 28,
 260                                         .increment = 1
 261                                 },
 262                                 .iv_size = { 0 }
 263                         }, }
 264                 }, }
 265         },
 266         {       /* SHA256 HMAC */
 267                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 268                 {.sym = {
 269                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 270                         {.auth = {
 271                                 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 272                                 .block_size = 64,
 273                                 .key_size = {
 274                                         .min = 1,
 275                                         .max = 64,
 276                                         .increment = 1
 277                                 },
 278                                 .digest_size = {
 279                                         .min = 1,
 280                                         .max = 32,
 281                                         .increment = 1
 282                                 },
 283                                 .iv_size = { 0 }
 284                         }, }
 285                 }, }
 286         },
 287         {       /* SHA384 HMAC */
 288                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 289                 {.sym = {
 290                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 291                         {.auth = {
 292                                 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 293                                 .block_size = 128,
 294                                 .key_size = {
 295                                         .min = 1,
 296                                         .max = 128,
 297                                         .increment = 1
 298                                 },
 299                                 .digest_size = {
 300                                         .min = 1,
 301                                         .max = 48,
 302                                         .increment = 1
 303                                 },
 304                                 .iv_size = { 0 }
 305                         }, }
 306                 }, }
 307         },
 308         {       /* SHA512 HMAC */
 309                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 310                 {.sym = {
 311                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 312                         {.auth = {
 313                                 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 314                                 .block_size = 128,
 315                                 .key_size = {
 316                                         .min = 1,
 317                                         .max = 128,
 318                                         .increment = 1
 319                                 },
 320                                 .digest_size = {
 321                                         .min = 1,
 322                                         .max = 64,
 323                                         .increment = 1
 324                                 },
 325                                 .iv_size = { 0 }
 326                         }, }
 327                 }, }
 328         },
 329         {       /* AES GCM */
 330                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 331                 {.sym = {
 332                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 333                         {.aead = {
 334                                 .algo = RTE_CRYPTO_AEAD_AES_GCM,
 335                                 .block_size = 16,
 336                                 .key_size = {
 337                                         .min = 16,
 338                                         .max = 32,
 339                                         .increment = 8
 340                                 },
 341                                 .digest_size = {
 342                                         .min = 8,
 343                                         .max = 16,
 344                                         .increment = 4
 345                                 },
 346                                 .aad_size = {
 347                                         .min = 0,
 348                                         .max = 240,
 349                                         .increment = 1
 350                                 },
 351                                 .iv_size = {
 352                                         .min = 12,
 353                                         .max = 12,
 354                                         .increment = 0
 355                                 },
 356                         }, }
 357                 }, }
 358         },
 359         {       /* AES CBC */
 360                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 361                 {.sym = {
 362                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 363                         {.cipher = {
 364                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 365                                 .block_size = 16,
 366                                 .key_size = {
 367                                         .min = 16,
 368                                         .max = 32,
 369                                         .increment = 8
 370                                 },
 371                                 .iv_size = {
 372                                         .min = 16,
 373                                         .max = 16,
 374                                         .increment = 0
 375                                 }
 376                         }, }
 377                 }, }
 378         },
 379         {       /* AES CTR */
 380                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 381                 {.sym = {
 382                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 383                         {.cipher = {
 384                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 385                                 .block_size = 16,
 386                                 .key_size = {
 387                                         .min = 16,
 388                                         .max = 32,
 389                                         .increment = 8
 390                                 },
 391                                 .iv_size = {
 392                                         .min = 16,
 393                                         .max = 16,
 394                                         .increment = 0
 395                                 },
 396                         }, }
 397                 }, }
 398         },
 399         {       /* 3DES CBC */
 400                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 401                 {.sym = {
 402                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 403                         {.cipher = {
 404                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 405                                 .block_size = 8,
 406                                 .key_size = {
 407                                         .min = 16,
 408                                         .max = 24,
 409                                         .increment = 8
 410                                 },
 411                                 .iv_size = {
 412                                         .min = 8,
 413                                         .max = 8,
 414                                         .increment = 0
 415                                 }
 416                         }, }
 417                 }, }
 418         },
 419
 420         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 421 };
 422
 423 static const struct rte_cryptodev_capabilities dpaa_pdcp_capabilities[] = {
 424         {       /* SNOW 3G (UIA2) */
 425                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 426                 {.sym = {
 427                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 428                         {.auth = {
 429                                 .algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2,
 430                                 .block_size = 16,
 431                                 .key_size = {
 432                                         .min = 16,
 433                                         .max = 16,
 434                                         .increment = 0
 435                                 },
 436                                 .digest_size = {
 437                                         .min = 4,
 438                                         .max = 4,
 439                                         .increment = 0
 440                                 },
 441                                 .iv_size = {
 442                                         .min = 16,
 443                                         .max = 16,
 444                                         .increment = 0
 445                                 }
 446                         }, }
 447                 }, }
 448         },
 449         {       /* SNOW 3G (UEA2) */
 450                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 451                 {.sym = {
 452                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 453                         {.cipher = {
 454                                 .algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2,
 455                                 .block_size = 16,
 456                                 .key_size = {
 457                                         .min = 16,
 458                                         .max = 16,
 459                                         .increment = 0
 460                                 },
 461                                 .iv_size = {
 462                                         .min = 16,
 463                                         .max = 16,
 464                                         .increment = 0
 465                                 }
 466                         }, }
 467                 }, }
 468         },
 469         {       /* AES CTR */
 470                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 471                 {.sym = {
 472                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 473                         {.cipher = {
 474                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 475                                 .block_size = 16,
 476                                 .key_size = {
 477                                         .min = 16,
 478                                         .max = 32,
 479                                         .increment = 8
 480                                 },
 481                                 .iv_size = {
 482                                         .min = 16,
 483                                         .max = 16,
 484                                         .increment = 0
 485                                 }
 486                         }, }
 487                 }, }
 488         },
 489         {       /* NULL (AUTH) */
 490                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 491                 {.sym = {
 492                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 493                         {.auth = {
 494                                 .algo = RTE_CRYPTO_AUTH_NULL,
 495                                 .block_size = 1,
 496                                 .key_size = {
 497                                         .min = 0,
 498                                         .max = 0,
 499                                         .increment = 0
 500                                 },
 501                                 .digest_size = {
 502                                         .min = 0,
 503                                         .max = 0,
 504                                         .increment = 0
 505                                 },
 506                                 .iv_size = { 0 }
 507                         }, },
 508                 }, },
 509         },
 510         {       /* NULL (CIPHER) */
 511                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 512                 {.sym = {
 513                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 514                         {.cipher = {
 515                                 .algo = RTE_CRYPTO_CIPHER_NULL,
 516                                 .block_size = 1,
 517                                 .key_size = {
 518                                         .min = 0,
 519                                         .max = 0,
 520                                         .increment = 0
 521                                 },
 522                                 .iv_size = {
 523                                         .min = 0,
 524                                         .max = 0,
 525                                         .increment = 0
 526                                 }
 527                         }, },
 528                 }, }
 529         },
 530         {       /* ZUC (EEA3) */
 531                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 532                 {.sym = {
 533                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 534                         {.cipher = {
 535                                 .algo = RTE_CRYPTO_CIPHER_ZUC_EEA3,
 536                                 .block_size = 16,
 537                                 .key_size = {
 538                                         .min = 16,
 539                                         .max = 16,
 540                                         .increment = 0
 541                                 },
 542                                 .iv_size = {
 543                                         .min = 16,
 544                                         .max = 16,
 545                                         .increment = 0
 546                                 }
 547                         }, }
 548                 }, }
 549         },
 550         {       /* ZUC (EIA3) */
 551                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 552                 {.sym = {
 553                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 554                         {.auth = {
 555                                 .algo = RTE_CRYPTO_AUTH_ZUC_EIA3,
 556                                 .block_size = 16,
 557                                 .key_size = {
 558                                         .min = 16,
 559                                         .max = 16,
 560                                         .increment = 0
 561                                 },
 562                                 .digest_size = {
 563                                         .min = 4,
 564                                         .max = 4,
 565                                         .increment = 0
 566                                 },
 567                                 .iv_size = {
 568                                         .min = 16,
 569                                         .max = 16,
 570                                         .increment = 0
 571                                 }
 572                         }, }
 573                 }, }
 574         },
 575
 576         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 577 };
 578
 579 static const struct rte_security_capability dpaa_sec_security_cap[] = {
 580         { /* IPsec Lookaside Protocol offload ESP Transport Egress */
 581                 .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
 582                 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
 583                 .ipsec = {
 584                         .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
 585                         .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
 586                         .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
 587                         .options = { 0 }
 588                 },
 589                 .crypto_capabilities = dpaa_sec_capabilities
 590         },
 591         { /* IPsec Lookaside Protocol offload ESP Tunnel Ingress */
 592                 .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
 593                 .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
 594                 .ipsec = {
 595                         .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
 596                         .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
 597                         .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
 598                         .options = { 0 }
 599                 },
 600                 .crypto_capabilities = dpaa_sec_capabilities
 601         },
 602         { /* PDCP Lookaside Protocol offload Data */
 603                 .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
 604                 .protocol = RTE_SECURITY_PROTOCOL_PDCP,
 605                 .pdcp = {
 606                         .domain = RTE_SECURITY_PDCP_MODE_DATA,
 607                 },
 608                 .crypto_capabilities = dpaa_pdcp_capabilities
 609         },
 610         { /* PDCP Lookaside Protocol offload Control */
 611                 .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
 612                 .protocol = RTE_SECURITY_PROTOCOL_PDCP,
 613                 .pdcp = {
 614                         .domain = RTE_SECURITY_PDCP_MODE_CONTROL,
 615                 },
 616                 .crypto_capabilities = dpaa_pdcp_capabilities
 617         },
 618         {
 619                 .action = RTE_SECURITY_ACTION_TYPE_NONE
 620         }
 621 };
 622
 623 /**
 624  * Checksum
 625  *
 626  * @param buffer calculate chksum for buffer
 627  * @param len    buffer length
 628  *
 629  * @return checksum value in host cpu order
 630  */
 631 static inline uint16_t
 632 calc_chksum(void *buffer, int len)
 633 {
 634         uint16_t *buf = (uint16_t *)buffer;
 635         uint32_t sum = 0;
 636         uint16_t result;
 637
 638         for (sum = 0; len > 1; len -= 2)
 639                 sum += *buf++;
 640
 641         if (len == 1)
 642                 sum += *(unsigned char *)buf;
 643
 644         sum = (sum >> 16) + (sum & 0xFFFF);
 645         sum += (sum >> 16);
 646         result = ~sum;
 647
 648         return  result;
 649 }
 650
 651 #endif /* _DPAA_SEC_H_ */