drivers/net/mlx5/mlx5.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2015 6WIND S.A.
   3  * Copyright 2015 Mellanox Technologies, Ltd
   4  */
   5
   6 #include <stddef.h>
   7 #include <unistd.h>
   8 #include <string.h>
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11 #include <errno.h>
  12
  13 #include <rte_malloc.h>
  14 #include <ethdev_driver.h>
  15 #include <rte_pci.h>
  16 #include <rte_bus_pci.h>
  17 #include <rte_common.h>
  18 #include <rte_kvargs.h>
  19 #include <rte_rwlock.h>
  20 #include <rte_spinlock.h>
  21 #include <rte_string_fns.h>
  22 #include <rte_alarm.h>
  23 #include <rte_cycles.h>
  24
  25 #include <mlx5_glue.h>
  26 #include <mlx5_devx_cmds.h>
  27 #include <mlx5_common.h>
  28 #include <mlx5_common_os.h>
  29 #include <mlx5_common_mp.h>
  30 #include <mlx5_malloc.h>
  31
  32 #include "mlx5_defs.h"
  33 #include "mlx5.h"
  34 #include "mlx5_utils.h"
  35 #include "mlx5_rxtx.h"
  36 #include "mlx5_rx.h"
  37 #include "mlx5_tx.h"
  38 #include "mlx5_autoconf.h"
  39 #include "mlx5_mr.h"
  40 #include "mlx5_flow.h"
  41 #include "mlx5_flow_os.h"
  42 #include "rte_pmd_mlx5.h"
  43
  44 #define MLX5_ETH_DRIVER_NAME mlx5_eth
  45
  46 /* Device parameter to enable RX completion queue compression. */
  47 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
  48
  49 /* Device parameter to enable padding Rx packet to cacheline size. */
  50 #define MLX5_RXQ_PKT_PAD_EN "rxq_pkt_pad_en"
  51
  52 /* Device parameter to enable Multi-Packet Rx queue. */
  53 #define MLX5_RX_MPRQ_EN "mprq_en"
  54
  55 /* Device parameter to configure log 2 of the number of strides for MPRQ. */
  56 #define MLX5_RX_MPRQ_LOG_STRIDE_NUM "mprq_log_stride_num"
  57
  58 /* Device parameter to configure log 2 of the stride size for MPRQ. */
  59 #define MLX5_RX_MPRQ_LOG_STRIDE_SIZE "mprq_log_stride_size"
  60
  61 /* Device parameter to limit the size of memcpy'd packet for MPRQ. */
  62 #define MLX5_RX_MPRQ_MAX_MEMCPY_LEN "mprq_max_memcpy_len"
  63
  64 /* Device parameter to set the minimum number of Rx queues to enable MPRQ. */
  65 #define MLX5_RXQS_MIN_MPRQ "rxqs_min_mprq"
  66
  67 /* Device parameter to configure inline send. Deprecated, ignored.*/
  68 #define MLX5_TXQ_INLINE "txq_inline"
  69
  70 /* Device parameter to limit packet size to inline with ordinary SEND. */
  71 #define MLX5_TXQ_INLINE_MAX "txq_inline_max"
  72
  73 /* Device parameter to configure minimal data size to inline. */
  74 #define MLX5_TXQ_INLINE_MIN "txq_inline_min"
  75
  76 /* Device parameter to limit packet size to inline with Enhanced MPW. */
  77 #define MLX5_TXQ_INLINE_MPW "txq_inline_mpw"
  78
  79 /*
  80  * Device parameter to configure the number of TX queues threshold for
  81  * enabling inline send.
  82  */
  83 #define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
  84
  85 /*
  86  * Device parameter to configure the number of TX queues threshold for
  87  * enabling vectorized Tx, deprecated, ignored (no vectorized Tx routines).
  88  */
  89 #define MLX5_TXQS_MAX_VEC "txqs_max_vec"
  90
  91 /* Device parameter to enable multi-packet send WQEs. */
  92 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
  93
  94 /*
  95  * Device parameter to force doorbell register mapping
  96  * to non-cahed region eliminating the extra write memory barrier.
  97  */
  98 #define MLX5_TX_DB_NC "tx_db_nc"
  99
 100 /*
 101  * Device parameter to include 2 dsegs in the title WQEBB.
 102  * Deprecated, ignored.
 103  */
 104 #define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en"
 105
 106 /*
 107  * Device parameter to limit the size of inlining packet.
 108  * Deprecated, ignored.
 109  */
 110 #define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
 111
 112 /*
 113  * Device parameter to enable Tx scheduling on timestamps
 114  * and specify the packet pacing granularity in nanoseconds.
 115  */
 116 #define MLX5_TX_PP "tx_pp"
 117
 118 /*
 119  * Device parameter to specify skew in nanoseconds on Tx datapath,
 120  * it represents the time between SQ start WQE processing and
 121  * appearing actual packet data on the wire.
 122  */
 123 #define MLX5_TX_SKEW "tx_skew"
 124
 125 /*
 126  * Device parameter to enable hardware Tx vector.
 127  * Deprecated, ignored (no vectorized Tx routines anymore).
 128  */
 129 #define MLX5_TX_VEC_EN "tx_vec_en"
 130
 131 /* Device parameter to enable hardware Rx vector. */
 132 #define MLX5_RX_VEC_EN "rx_vec_en"
 133
 134 /* Allow L3 VXLAN flow creation. */
 135 #define MLX5_L3_VXLAN_EN "l3_vxlan_en"
 136
 137 /* Activate DV E-Switch flow steering. */
 138 #define MLX5_DV_ESW_EN "dv_esw_en"
 139
 140 /* Activate DV flow steering. */
 141 #define MLX5_DV_FLOW_EN "dv_flow_en"
 142
 143 /* Enable extensive flow metadata support. */
 144 #define MLX5_DV_XMETA_EN "dv_xmeta_en"
 145
 146 /* Device parameter to let the user manage the lacp traffic of bonded device */
 147 #define MLX5_LACP_BY_USER "lacp_by_user"
 148
 149 /* Activate Netlink support in VF mode. */
 150 #define MLX5_VF_NL_EN "vf_nl_en"
 151
 152 /* Enable extending memsegs when creating a MR. */
 153 #define MLX5_MR_EXT_MEMSEG_EN "mr_ext_memseg_en"
 154
 155 /* Select port representors to instantiate. */
 156 #define MLX5_REPRESENTOR "representor"
 157
 158 /* Device parameter to configure the maximum number of dump files per queue. */
 159 #define MLX5_MAX_DUMP_FILES_NUM "max_dump_files_num"
 160
 161 /* Configure timeout of LRO session (in microseconds). */
 162 #define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec"
 163
 164 /*
 165  * Device parameter to configure the total data buffer size for a single
 166  * hairpin queue (logarithm value).
 167  */
 168 #define MLX5_HP_BUF_SIZE "hp_buf_log_sz"
 169
 170 /* Flow memory reclaim mode. */
 171 #define MLX5_RECLAIM_MEM "reclaim_mem_mode"
 172
 173 /* The default memory allocator used in PMD. */
 174 #define MLX5_SYS_MEM_EN "sys_mem_en"
 175 /* Decap will be used or not. */
 176 #define MLX5_DECAP_EN "decap_en"
 177
 178 /* Device parameter to configure allow or prevent duplicate rules pattern. */
 179 #define MLX5_ALLOW_DUPLICATE_PATTERN "allow_duplicate_pattern"
 180
 181 /* Shared memory between primary and secondary processes. */
 182 struct mlx5_shared_data *mlx5_shared_data;
 183
 184 /** Driver-specific log messages type. */
 185 int mlx5_logtype;
 186
 187 static LIST_HEAD(, mlx5_dev_ctx_shared) mlx5_dev_ctx_list =
 188                                                 LIST_HEAD_INITIALIZER();
 189 static pthread_mutex_t mlx5_dev_ctx_list_mutex;
 190 static const struct mlx5_indexed_pool_config mlx5_ipool_cfg[] = {
 191 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
 192         [MLX5_IPOOL_DECAP_ENCAP] = {
 193                 .size = sizeof(struct mlx5_flow_dv_encap_decap_resource),
 194                 .trunk_size = 64,
 195                 .grow_trunk = 3,
 196                 .grow_shift = 2,
 197                 .need_lock = 1,
 198                 .release_mem_en = 1,
 199                 .malloc = mlx5_malloc,
 200                 .free = mlx5_free,
 201                 .type = "mlx5_encap_decap_ipool",
 202         },
 203         [MLX5_IPOOL_PUSH_VLAN] = {
 204                 .size = sizeof(struct mlx5_flow_dv_push_vlan_action_resource),
 205                 .trunk_size = 64,
 206                 .grow_trunk = 3,
 207                 .grow_shift = 2,
 208                 .need_lock = 1,
 209                 .release_mem_en = 1,
 210                 .malloc = mlx5_malloc,
 211                 .free = mlx5_free,
 212                 .type = "mlx5_push_vlan_ipool",
 213         },
 214         [MLX5_IPOOL_TAG] = {
 215                 .size = sizeof(struct mlx5_flow_dv_tag_resource),
 216                 .trunk_size = 64,
 217                 .grow_trunk = 3,
 218                 .grow_shift = 2,
 219                 .need_lock = 1,
 220                 .release_mem_en = 0,
 221                 .per_core_cache = (1 << 16),
 222                 .malloc = mlx5_malloc,
 223                 .free = mlx5_free,
 224                 .type = "mlx5_tag_ipool",
 225         },
 226         [MLX5_IPOOL_PORT_ID] = {
 227                 .size = sizeof(struct mlx5_flow_dv_port_id_action_resource),
 228                 .trunk_size = 64,
 229                 .grow_trunk = 3,
 230                 .grow_shift = 2,
 231                 .need_lock = 1,
 232                 .release_mem_en = 1,
 233                 .malloc = mlx5_malloc,
 234                 .free = mlx5_free,
 235                 .type = "mlx5_port_id_ipool",
 236         },
 237         [MLX5_IPOOL_JUMP] = {
 238                 .size = sizeof(struct mlx5_flow_tbl_data_entry),
 239                 .trunk_size = 64,
 240                 .grow_trunk = 3,
 241                 .grow_shift = 2,
 242                 .need_lock = 1,
 243                 .release_mem_en = 1,
 244                 .malloc = mlx5_malloc,
 245                 .free = mlx5_free,
 246                 .type = "mlx5_jump_ipool",
 247         },
 248         [MLX5_IPOOL_SAMPLE] = {
 249                 .size = sizeof(struct mlx5_flow_dv_sample_resource),
 250                 .trunk_size = 64,
 251                 .grow_trunk = 3,
 252                 .grow_shift = 2,
 253                 .need_lock = 1,
 254                 .release_mem_en = 1,
 255                 .malloc = mlx5_malloc,
 256                 .free = mlx5_free,
 257                 .type = "mlx5_sample_ipool",
 258         },
 259         [MLX5_IPOOL_DEST_ARRAY] = {
 260                 .size = sizeof(struct mlx5_flow_dv_dest_array_resource),
 261                 .trunk_size = 64,
 262                 .grow_trunk = 3,
 263                 .grow_shift = 2,
 264                 .need_lock = 1,
 265                 .release_mem_en = 1,
 266                 .malloc = mlx5_malloc,
 267                 .free = mlx5_free,
 268                 .type = "mlx5_dest_array_ipool",
 269         },
 270         [MLX5_IPOOL_TUNNEL_ID] = {
 271                 .size = sizeof(struct mlx5_flow_tunnel),
 272                 .trunk_size = MLX5_MAX_TUNNELS,
 273                 .need_lock = 1,
 274                 .release_mem_en = 1,
 275                 .type = "mlx5_tunnel_offload",
 276         },
 277         [MLX5_IPOOL_TNL_TBL_ID] = {
 278                 .size = 0,
 279                 .need_lock = 1,
 280                 .type = "mlx5_flow_tnl_tbl_ipool",
 281         },
 282 #endif
 283         [MLX5_IPOOL_MTR] = {
 284                 /**
 285                  * The ipool index should grow continually from small to big,
 286                  * for meter idx, so not set grow_trunk to avoid meter index
 287                  * not jump continually.
 288                  */
 289                 .size = sizeof(struct mlx5_legacy_flow_meter),
 290                 .trunk_size = 64,
 291                 .need_lock = 1,
 292                 .release_mem_en = 1,
 293                 .malloc = mlx5_malloc,
 294                 .free = mlx5_free,
 295                 .type = "mlx5_meter_ipool",
 296         },
 297         [MLX5_IPOOL_MCP] = {
 298                 .size = sizeof(struct mlx5_flow_mreg_copy_resource),
 299                 .trunk_size = 64,
 300                 .grow_trunk = 3,
 301                 .grow_shift = 2,
 302                 .need_lock = 1,
 303                 .release_mem_en = 1,
 304                 .malloc = mlx5_malloc,
 305                 .free = mlx5_free,
 306                 .type = "mlx5_mcp_ipool",
 307         },
 308         [MLX5_IPOOL_HRXQ] = {
 309                 .size = (sizeof(struct mlx5_hrxq) + MLX5_RSS_HASH_KEY_LEN),
 310                 .trunk_size = 64,
 311                 .grow_trunk = 3,
 312                 .grow_shift = 2,
 313                 .need_lock = 1,
 314                 .release_mem_en = 1,
 315                 .malloc = mlx5_malloc,
 316                 .free = mlx5_free,
 317                 .type = "mlx5_hrxq_ipool",
 318         },
 319         [MLX5_IPOOL_MLX5_FLOW] = {
 320                 /*
 321                  * MLX5_IPOOL_MLX5_FLOW size varies for DV and VERBS flows.
 322                  * It set in run time according to PCI function configuration.
 323                  */
 324                 .size = 0,
 325                 .trunk_size = 64,
 326                 .grow_trunk = 3,
 327                 .grow_shift = 2,
 328                 .need_lock = 1,
 329                 .release_mem_en = 0,
 330                 .per_core_cache = 1 << 19,
 331                 .malloc = mlx5_malloc,
 332                 .free = mlx5_free,
 333                 .type = "mlx5_flow_handle_ipool",
 334         },
 335         [MLX5_IPOOL_RTE_FLOW] = {
 336                 .size = sizeof(struct rte_flow),
 337                 .trunk_size = 4096,
 338                 .need_lock = 1,
 339                 .release_mem_en = 1,
 340                 .malloc = mlx5_malloc,
 341                 .free = mlx5_free,
 342                 .type = "rte_flow_ipool",
 343         },
 344         [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID] = {
 345                 .size = 0,
 346                 .need_lock = 1,
 347                 .type = "mlx5_flow_rss_id_ipool",
 348         },
 349         [MLX5_IPOOL_RSS_SHARED_ACTIONS] = {
 350                 .size = sizeof(struct mlx5_shared_action_rss),
 351                 .trunk_size = 64,
 352                 .grow_trunk = 3,
 353                 .grow_shift = 2,
 354                 .need_lock = 1,
 355                 .release_mem_en = 1,
 356                 .malloc = mlx5_malloc,
 357                 .free = mlx5_free,
 358                 .type = "mlx5_shared_action_rss",
 359         },
 360         [MLX5_IPOOL_MTR_POLICY] = {
 361                 /**
 362                  * The ipool index should grow continually from small to big,
 363                  * for policy idx, so not set grow_trunk to avoid policy index
 364                  * not jump continually.
 365                  */
 366                 .size = sizeof(struct mlx5_flow_meter_sub_policy),
 367                 .trunk_size = 64,
 368                 .need_lock = 1,
 369                 .release_mem_en = 1,
 370                 .malloc = mlx5_malloc,
 371                 .free = mlx5_free,
 372                 .type = "mlx5_meter_policy_ipool",
 373         },
 374 };
 375
 376
 377 #define MLX5_FLOW_MIN_ID_POOL_SIZE 512
 378 #define MLX5_ID_GENERATION_ARRAY_FACTOR 16
 379
 380 #define MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE 1024
 381
 382 /**
 383  * Decide whether representor ID is a HPF(host PF) port on BF2.
 384  *
 385  * @param dev
 386  *   Pointer to Ethernet device structure.
 387  *
 388  * @return
 389  *   Non-zero if HPF, otherwise 0.
 390  */
 391 bool
 392 mlx5_is_hpf(struct rte_eth_dev *dev)
 393 {
 394         struct mlx5_priv *priv = dev->data->dev_private;
 395         uint16_t repr = MLX5_REPRESENTOR_REPR(priv->representor_id);
 396         int type = MLX5_REPRESENTOR_TYPE(priv->representor_id);
 397
 398         return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_VF &&
 399                MLX5_REPRESENTOR_REPR(-1) == repr;
 400 }
 401
 402 /**
 403  * Decide whether representor ID is a SF port representor.
 404  *
 405  * @param dev
 406  *   Pointer to Ethernet device structure.
 407  *
 408  * @return
 409  *   Non-zero if HPF, otherwise 0.
 410  */
 411 bool
 412 mlx5_is_sf_repr(struct rte_eth_dev *dev)
 413 {
 414         struct mlx5_priv *priv = dev->data->dev_private;
 415         int type = MLX5_REPRESENTOR_TYPE(priv->representor_id);
 416
 417         return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_SF;
 418 }
 419
 420 /**
 421  * Initialize the ASO aging management structure.
 422  *
 423  * @param[in] sh
 424  *   Pointer to mlx5_dev_ctx_shared object to free
 425  *
 426  * @return
 427  *   0 on success, a negative errno value otherwise and rte_errno is set.
 428  */
 429 int
 430 mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh)
 431 {
 432         int err;
 433
 434         if (sh->aso_age_mng)
 435                 return 0;
 436         sh->aso_age_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->aso_age_mng),
 437                                       RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 438         if (!sh->aso_age_mng) {
 439                 DRV_LOG(ERR, "aso_age_mng allocation was failed.");
 440                 rte_errno = ENOMEM;
 441                 return -ENOMEM;
 442         }
 443         err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_FLOW_HIT);
 444         if (err) {
 445                 mlx5_free(sh->aso_age_mng);
 446                 return -1;
 447         }
 448         rte_spinlock_init(&sh->aso_age_mng->resize_sl);
 449         rte_spinlock_init(&sh->aso_age_mng->free_sl);
 450         LIST_INIT(&sh->aso_age_mng->free);
 451         return 0;
 452 }
 453
 454 /**
 455  * Close and release all the resources of the ASO aging management structure.
 456  *
 457  * @param[in] sh
 458  *   Pointer to mlx5_dev_ctx_shared object to free.
 459  */
 460 static void
 461 mlx5_flow_aso_age_mng_close(struct mlx5_dev_ctx_shared *sh)
 462 {
 463         int i, j;
 464
 465         mlx5_aso_flow_hit_queue_poll_stop(sh);
 466         mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_FLOW_HIT);
 467         if (sh->aso_age_mng->pools) {
 468                 struct mlx5_aso_age_pool *pool;
 469
 470                 for (i = 0; i < sh->aso_age_mng->next; ++i) {
 471                         pool = sh->aso_age_mng->pools[i];
 472                         claim_zero(mlx5_devx_cmd_destroy
 473                                                 (pool->flow_hit_aso_obj));
 474                         for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j)
 475                                 if (pool->actions[j].dr_action)
 476                                         claim_zero
 477                                             (mlx5_flow_os_destroy_flow_action
 478                                               (pool->actions[j].dr_action));
 479                         mlx5_free(pool);
 480                 }
 481                 mlx5_free(sh->aso_age_mng->pools);
 482         }
 483         mlx5_free(sh->aso_age_mng);
 484 }
 485
 486 /**
 487  * Initialize the shared aging list information per port.
 488  *
 489  * @param[in] sh
 490  *   Pointer to mlx5_dev_ctx_shared object.
 491  */
 492 static void
 493 mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh)
 494 {
 495         uint32_t i;
 496         struct mlx5_age_info *age_info;
 497
 498         for (i = 0; i < sh->max_port; i++) {
 499                 age_info = &sh->port[i].age_info;
 500                 age_info->flags = 0;
 501                 TAILQ_INIT(&age_info->aged_counters);
 502                 LIST_INIT(&age_info->aged_aso);
 503                 rte_spinlock_init(&age_info->aged_sl);
 504                 MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
 505         }
 506 }
 507
 508 /**
 509  * Initialize the counters management structure.
 510  *
 511  * @param[in] sh
 512  *   Pointer to mlx5_dev_ctx_shared object to free
 513  */
 514 static void
 515 mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh)
 516 {
 517         int i;
 518
 519         memset(&sh->cmng, 0, sizeof(sh->cmng));
 520         TAILQ_INIT(&sh->cmng.flow_counters);
 521         sh->cmng.min_id = MLX5_CNT_BATCH_OFFSET;
 522         sh->cmng.max_id = -1;
 523         sh->cmng.last_pool_idx = POOL_IDX_INVALID;
 524         rte_spinlock_init(&sh->cmng.pool_update_sl);
 525         for (i = 0; i < MLX5_COUNTER_TYPE_MAX; i++) {
 526                 TAILQ_INIT(&sh->cmng.counters[i]);
 527                 rte_spinlock_init(&sh->cmng.csl[i]);
 528         }
 529 }
 530
 531 /**
 532  * Destroy all the resources allocated for a counter memory management.
 533  *
 534  * @param[in] mng
 535  *   Pointer to the memory management structure.
 536  */
 537 static void
 538 mlx5_flow_destroy_counter_stat_mem_mng(struct mlx5_counter_stats_mem_mng *mng)
 539 {
 540         uint8_t *mem = (uint8_t *)(uintptr_t)mng->raws[0].data;
 541
 542         LIST_REMOVE(mng, next);
 543         claim_zero(mlx5_devx_cmd_destroy(mng->dm));
 544         claim_zero(mlx5_os_umem_dereg(mng->umem));
 545         mlx5_free(mem);
 546 }
 547
 548 /**
 549  * Close and release all the resources of the counters management.
 550  *
 551  * @param[in] sh
 552  *   Pointer to mlx5_dev_ctx_shared object to free.
 553  */
 554 static void
 555 mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh)
 556 {
 557         struct mlx5_counter_stats_mem_mng *mng;
 558         int i, j;
 559         int retries = 1024;
 560
 561         rte_errno = 0;
 562         while (--retries) {
 563                 rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh);
 564                 if (rte_errno != EINPROGRESS)
 565                         break;
 566                 rte_pause();
 567         }
 568
 569         if (sh->cmng.pools) {
 570                 struct mlx5_flow_counter_pool *pool;
 571                 uint16_t n_valid = sh->cmng.n_valid;
 572                 bool fallback = sh->cmng.counter_fallback;
 573
 574                 for (i = 0; i < n_valid; ++i) {
 575                         pool = sh->cmng.pools[i];
 576                         if (!fallback && pool->min_dcs)
 577                                 claim_zero(mlx5_devx_cmd_destroy
 578                                                                (pool->min_dcs));
 579                         for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) {
 580                                 struct mlx5_flow_counter *cnt =
 581                                                 MLX5_POOL_GET_CNT(pool, j);
 582
 583                                 if (cnt->action)
 584                                         claim_zero
 585                                          (mlx5_flow_os_destroy_flow_action
 586                                           (cnt->action));
 587                                 if (fallback && MLX5_POOL_GET_CNT
 588                                     (pool, j)->dcs_when_free)
 589                                         claim_zero(mlx5_devx_cmd_destroy
 590                                                    (cnt->dcs_when_free));
 591                         }
 592                         mlx5_free(pool);
 593                 }
 594                 mlx5_free(sh->cmng.pools);
 595         }
 596         mng = LIST_FIRST(&sh->cmng.mem_mngs);
 597         while (mng) {
 598                 mlx5_flow_destroy_counter_stat_mem_mng(mng);
 599                 mng = LIST_FIRST(&sh->cmng.mem_mngs);
 600         }
 601         memset(&sh->cmng, 0, sizeof(sh->cmng));
 602 }
 603
 604 /**
 605  * Initialize the aso flow meters management structure.
 606  *
 607  * @param[in] sh
 608  *   Pointer to mlx5_dev_ctx_shared object to free
 609  */
 610 int
 611 mlx5_aso_flow_mtrs_mng_init(struct mlx5_dev_ctx_shared *sh)
 612 {
 613         if (!sh->mtrmng) {
 614                 sh->mtrmng = mlx5_malloc(MLX5_MEM_ZERO,
 615                         sizeof(*sh->mtrmng),
 616                         RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 617                 if (!sh->mtrmng) {
 618                         DRV_LOG(ERR,
 619                         "meter management allocation was failed.");
 620                         rte_errno = ENOMEM;
 621                         return -ENOMEM;
 622                 }
 623                 if (sh->meter_aso_en) {
 624                         rte_spinlock_init(&sh->mtrmng->pools_mng.mtrsl);
 625                         LIST_INIT(&sh->mtrmng->pools_mng.meters);
 626                 }
 627                 sh->mtrmng->def_policy_id = MLX5_INVALID_POLICY_ID;
 628         }
 629         return 0;
 630 }
 631
 632 /**
 633  * Close and release all the resources of
 634  * the ASO flow meter management structure.
 635  *
 636  * @param[in] sh
 637  *   Pointer to mlx5_dev_ctx_shared object to free.
 638  */
 639 static void
 640 mlx5_aso_flow_mtrs_mng_close(struct mlx5_dev_ctx_shared *sh)
 641 {
 642         struct mlx5_aso_mtr_pool *mtr_pool;
 643         struct mlx5_flow_mtr_mng *mtrmng = sh->mtrmng;
 644         uint32_t idx;
 645 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
 646         struct mlx5_aso_mtr *aso_mtr;
 647         int i;
 648 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
 649
 650         if (sh->meter_aso_en) {
 651                 mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_POLICER);
 652                 idx = mtrmng->pools_mng.n_valid;
 653                 while (idx--) {
 654                         mtr_pool = mtrmng->pools_mng.pools[idx];
 655 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
 656                         for (i = 0; i < MLX5_ASO_MTRS_PER_POOL; i++) {
 657                                 aso_mtr = &mtr_pool->mtrs[i];
 658                                 if (aso_mtr->fm.meter_action)
 659                                         claim_zero
 660                                         (mlx5_glue->destroy_flow_action
 661                                         (aso_mtr->fm.meter_action));
 662                         }
 663 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
 664                         claim_zero(mlx5_devx_cmd_destroy
 665                                                 (mtr_pool->devx_obj));
 666                         mtrmng->pools_mng.n_valid--;
 667                         mlx5_free(mtr_pool);
 668                 }
 669                 mlx5_free(sh->mtrmng->pools_mng.pools);
 670         }
 671         mlx5_free(sh->mtrmng);
 672         sh->mtrmng = NULL;
 673 }
 674
 675 /* Send FLOW_AGED event if needed. */
 676 void
 677 mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh)
 678 {
 679         struct mlx5_age_info *age_info;
 680         uint32_t i;
 681
 682         for (i = 0; i < sh->max_port; i++) {
 683                 age_info = &sh->port[i].age_info;
 684                 if (!MLX5_AGE_GET(age_info, MLX5_AGE_EVENT_NEW))
 685                         continue;
 686                 MLX5_AGE_UNSET(age_info, MLX5_AGE_EVENT_NEW);
 687                 if (MLX5_AGE_GET(age_info, MLX5_AGE_TRIGGER)) {
 688                         MLX5_AGE_UNSET(age_info, MLX5_AGE_TRIGGER);
 689                         rte_eth_dev_callback_process
 690                                 (&rte_eth_devices[sh->port[i].devx_ih_port_id],
 691                                 RTE_ETH_EVENT_FLOW_AGED, NULL);
 692                 }
 693         }
 694 }
 695
 696 /*
 697  * Initialize the ASO connection tracking structure.
 698  *
 699  * @param[in] sh
 700  *   Pointer to mlx5_dev_ctx_shared object.
 701  *
 702  * @return
 703  *   0 on success, a negative errno value otherwise and rte_errno is set.
 704  */
 705 int
 706 mlx5_flow_aso_ct_mng_init(struct mlx5_dev_ctx_shared *sh)
 707 {
 708         int err;
 709
 710         if (sh->ct_mng)
 711                 return 0;
 712         sh->ct_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->ct_mng),
 713                                  RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 714         if (!sh->ct_mng) {
 715                 DRV_LOG(ERR, "ASO CT management allocation failed.");
 716                 rte_errno = ENOMEM;
 717                 return -rte_errno;
 718         }
 719         err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
 720         if (err) {
 721                 mlx5_free(sh->ct_mng);
 722                 /* rte_errno should be extracted from the failure. */
 723                 rte_errno = EINVAL;
 724                 return -rte_errno;
 725         }
 726         rte_spinlock_init(&sh->ct_mng->ct_sl);
 727         rte_rwlock_init(&sh->ct_mng->resize_rwl);
 728         LIST_INIT(&sh->ct_mng->free_cts);
 729         return 0;
 730 }
 731
 732 /*
 733  * Close and release all the resources of the
 734  * ASO connection tracking management structure.
 735  *
 736  * @param[in] sh
 737  *   Pointer to mlx5_dev_ctx_shared object to free.
 738  */
 739 static void
 740 mlx5_flow_aso_ct_mng_close(struct mlx5_dev_ctx_shared *sh)
 741 {
 742         struct mlx5_aso_ct_pools_mng *mng = sh->ct_mng;
 743         struct mlx5_aso_ct_pool *ct_pool;
 744         struct mlx5_aso_ct_action *ct;
 745         uint32_t idx;
 746         uint32_t val;
 747         uint32_t cnt;
 748         int i;
 749
 750         mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
 751         idx = mng->next;
 752         while (idx--) {
 753                 cnt = 0;
 754                 ct_pool = mng->pools[idx];
 755                 for (i = 0; i < MLX5_ASO_CT_ACTIONS_PER_POOL; i++) {
 756                         ct = &ct_pool->actions[i];
 757                         val = __atomic_fetch_sub(&ct->refcnt, 1,
 758                                                  __ATOMIC_RELAXED);
 759                         MLX5_ASSERT(val == 1);
 760                         if (val > 1)
 761                                 cnt++;
 762 #ifdef HAVE_MLX5_DR_ACTION_ASO_CT
 763                         if (ct->dr_action_orig)
 764                                 claim_zero(mlx5_glue->destroy_flow_action
 765                                                         (ct->dr_action_orig));
 766                         if (ct->dr_action_rply)
 767                                 claim_zero(mlx5_glue->destroy_flow_action
 768                                                         (ct->dr_action_rply));
 769 #endif
 770                 }
 771                 claim_zero(mlx5_devx_cmd_destroy(ct_pool->devx_obj));
 772                 if (cnt) {
 773                         DRV_LOG(DEBUG, "%u ASO CT objects are being used in the pool %u",
 774                                 cnt, i);
 775                 }
 776                 mlx5_free(ct_pool);
 777                 /* in case of failure. */
 778                 mng->next--;
 779         }
 780         mlx5_free(mng->pools);
 781         mlx5_free(mng);
 782         /* Management structure must be cleared to 0s during allocation. */
 783         sh->ct_mng = NULL;
 784 }
 785
 786 /**
 787  * Initialize the flow resources' indexed mempool.
 788  *
 789  * @param[in] sh
 790  *   Pointer to mlx5_dev_ctx_shared object.
 791  * @param[in] config
 792  *   Pointer to user dev config.
 793  */
 794 static void
 795 mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh,
 796                        const struct mlx5_dev_config *config)
 797 {
 798         uint8_t i;
 799         struct mlx5_indexed_pool_config cfg;
 800
 801         for (i = 0; i < MLX5_IPOOL_MAX; ++i) {
 802                 cfg = mlx5_ipool_cfg[i];
 803                 switch (i) {
 804                 default:
 805                         break;
 806                 /*
 807                  * Set MLX5_IPOOL_MLX5_FLOW ipool size
 808                  * according to PCI function flow configuration.
 809                  */
 810                 case MLX5_IPOOL_MLX5_FLOW:
 811                         cfg.size = config->dv_flow_en ?
 812                                 sizeof(struct mlx5_flow_handle) :
 813                                 MLX5_FLOW_HANDLE_VERBS_SIZE;
 814                         break;
 815                 }
 816                 if (config->reclaim_mode) {
 817                         cfg.release_mem_en = 1;
 818                         cfg.per_core_cache = 0;
 819                 } else {
 820                         cfg.release_mem_en = 0;
 821                 }
 822                 sh->ipool[i] = mlx5_ipool_create(&cfg);
 823         }
 824 }
 825
 826
 827 /**
 828  * Release the flow resources' indexed mempool.
 829  *
 830  * @param[in] sh
 831  *   Pointer to mlx5_dev_ctx_shared object.
 832  */
 833 static void
 834 mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh)
 835 {
 836         uint8_t i;
 837
 838         for (i = 0; i < MLX5_IPOOL_MAX; ++i)
 839                 mlx5_ipool_destroy(sh->ipool[i]);
 840         for (i = 0; i < MLX5_MAX_MODIFY_NUM; ++i)
 841                 if (sh->mdh_ipools[i])
 842                         mlx5_ipool_destroy(sh->mdh_ipools[i]);
 843 }
 844
 845 /*
 846  * Check if dynamic flex parser for eCPRI already exists.
 847  *
 848  * @param dev
 849  *   Pointer to Ethernet device structure.
 850  *
 851  * @return
 852  *   true on exists, false on not.
 853  */
 854 bool
 855 mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev)
 856 {
 857         struct mlx5_priv *priv = dev->data->dev_private;
 858         struct mlx5_flex_parser_profiles *prf =
 859                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 860
 861         return !!prf->obj;
 862 }
 863
 864 /*
 865  * Allocation of a flex parser for eCPRI. Once created, this parser related
 866  * resources will be held until the device is closed.
 867  *
 868  * @param dev
 869  *   Pointer to Ethernet device structure.
 870  *
 871  * @return
 872  *   0 on success, a negative errno value otherwise and rte_errno is set.
 873  */
 874 int
 875 mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev)
 876 {
 877         struct mlx5_priv *priv = dev->data->dev_private;
 878         struct mlx5_flex_parser_profiles *prf =
 879                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 880         struct mlx5_devx_graph_node_attr node = {
 881                 .modify_field_select = 0,
 882         };
 883         uint32_t ids[8];
 884         int ret;
 885
 886         if (!priv->config.hca_attr.parse_graph_flex_node) {
 887                 DRV_LOG(ERR, "Dynamic flex parser is not supported "
 888                         "for device %s.", priv->dev_data->name);
 889                 return -ENOTSUP;
 890         }
 891         node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED;
 892         /* 8 bytes now: 4B common header + 4B message body header. */
 893         node.header_length_base_value = 0x8;
 894         /* After MAC layer: Ether / VLAN. */
 895         node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC;
 896         /* Type of compared condition should be 0xAEFE in the L2 layer. */
 897         node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI;
 898         /* Sample #0: type in common header. */
 899         node.sample[0].flow_match_sample_en = 1;
 900         /* Fixed offset. */
 901         node.sample[0].flow_match_sample_offset_mode = 0x0;
 902         /* Only the 2nd byte will be used. */
 903         node.sample[0].flow_match_sample_field_base_offset = 0x0;
 904         /* Sample #1: message payload. */
 905         node.sample[1].flow_match_sample_en = 1;
 906         /* Fixed offset. */
 907         node.sample[1].flow_match_sample_offset_mode = 0x0;
 908         /*
 909          * Only the first two bytes will be used right now, and its offset will
 910          * start after the common header that with the length of a DW(u32).
 911          */
 912         node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t);
 913         prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->ctx, &node);
 914         if (!prf->obj) {
 915                 DRV_LOG(ERR, "Failed to create flex parser node object.");
 916                 return (rte_errno == 0) ? -ENODEV : -rte_errno;
 917         }
 918         prf->num = 2;
 919         ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num);
 920         if (ret) {
 921                 DRV_LOG(ERR, "Failed to query sample IDs.");
 922                 return (rte_errno == 0) ? -ENODEV : -rte_errno;
 923         }
 924         prf->offset[0] = 0x0;
 925         prf->offset[1] = sizeof(uint32_t);
 926         prf->ids[0] = ids[0];
 927         prf->ids[1] = ids[1];
 928         return 0;
 929 }
 930
 931 /*
 932  * Destroy the flex parser node, including the parser itself, input / output
 933  * arcs and DW samples. Resources could be reused then.
 934  *
 935  * @param dev
 936  *   Pointer to Ethernet device structure.
 937  */
 938 static void
 939 mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
 940 {
 941         struct mlx5_priv *priv = dev->data->dev_private;
 942         struct mlx5_flex_parser_profiles *prf =
 943                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 944
 945         if (prf->obj)
 946                 mlx5_devx_cmd_destroy(prf->obj);
 947         prf->obj = NULL;
 948 }
 949
 950 /*
 951  * Allocate Rx and Tx UARs in robust fashion.
 952  * This routine handles the following UAR allocation issues:
 953  *
 954  *  - tries to allocate the UAR with the most appropriate memory
 955  *    mapping type from the ones supported by the host
 956  *
 957  *  - tries to allocate the UAR with non-NULL base address
 958  *    OFED 5.0.x and Upstream rdma_core before v29 returned the NULL as
 959  *    UAR base address if UAR was not the first object in the UAR page.
 960  *    It caused the PMD failure and we should try to get another UAR
 961  *    till we get the first one with non-NULL base address returned.
 962  */
 963 static int
 964 mlx5_alloc_rxtx_uars(struct mlx5_dev_ctx_shared *sh,
 965                      const struct mlx5_dev_config *config)
 966 {
 967         uint32_t uar_mapping, retry;
 968         int err = 0;
 969         void *base_addr;
 970
 971         for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
 972 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
 973                 /* Control the mapping type according to the settings. */
 974                 uar_mapping = (config->dbnc == MLX5_TXDB_NCACHED) ?
 975                               MLX5DV_UAR_ALLOC_TYPE_NC :
 976                               MLX5DV_UAR_ALLOC_TYPE_BF;
 977 #else
 978                 RTE_SET_USED(config);
 979                 /*
 980                  * It seems we have no way to control the memory mapping type
 981                  * for the UAR, the default "Write-Combining" type is supposed.
 982                  * The UAR initialization on queue creation queries the
 983                  * actual mapping type done by Verbs/kernel and setups the
 984                  * PMD datapath accordingly.
 985                  */
 986                 uar_mapping = 0;
 987 #endif
 988                 sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, uar_mapping);
 989 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
 990                 if (!sh->tx_uar &&
 991                     uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
 992                         if (config->dbnc == MLX5_TXDB_CACHED ||
 993                             config->dbnc == MLX5_TXDB_HEURISTIC)
 994                                 DRV_LOG(WARNING, "Devarg tx_db_nc setting "
 995                                                  "is not supported by DevX");
 996                         /*
 997                          * In some environments like virtual machine
 998                          * the Write Combining mapped might be not supported
 999                          * and UAR allocation fails. We try "Non-Cached"
1000                          * mapping for the case. The tx_burst routines take
1001                          * the UAR mapping type into account on UAR setup
1002                          * on queue creation.
1003                          */
1004                         DRV_LOG(DEBUG, "Failed to allocate Tx DevX UAR (BF)");
1005                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
1006                         sh->tx_uar = mlx5_glue->devx_alloc_uar
1007                                                         (sh->ctx, uar_mapping);
1008                 } else if (!sh->tx_uar &&
1009                            uar_mapping == MLX5DV_UAR_ALLOC_TYPE_NC) {
1010                         if (config->dbnc == MLX5_TXDB_NCACHED)
1011                                 DRV_LOG(WARNING, "Devarg tx_db_nc settings "
1012                                                  "is not supported by DevX");
1013                         /*
1014                          * If Verbs/kernel does not support "Non-Cached"
1015                          * try the "Write-Combining".
1016                          */
1017                         DRV_LOG(DEBUG, "Failed to allocate Tx DevX UAR (NC)");
1018                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_BF;
1019                         sh->tx_uar = mlx5_glue->devx_alloc_uar
1020                                                         (sh->ctx, uar_mapping);
1021                 }
1022 #endif
1023                 if (!sh->tx_uar) {
1024                         DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (BF/NC)");
1025                         err = ENOMEM;
1026                         goto exit;
1027                 }
1028                 base_addr = mlx5_os_get_devx_uar_base_addr(sh->tx_uar);
1029                 if (base_addr)
1030                         break;
1031                 /*
1032                  * The UARs are allocated by rdma_core within the
1033                  * IB device context, on context closure all UARs
1034                  * will be freed, should be no memory/object leakage.
1035                  */
1036                 DRV_LOG(DEBUG, "Retrying to allocate Tx DevX UAR");
1037                 sh->tx_uar = NULL;
1038         }
1039         /* Check whether we finally succeeded with valid UAR allocation. */
1040         if (!sh->tx_uar) {
1041                 DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (NULL base)");
1042                 err = ENOMEM;
1043                 goto exit;
1044         }
1045         for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
1046                 uar_mapping = 0;
1047                 sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
1048                                                         (sh->ctx, uar_mapping);
1049 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
1050                 if (!sh->devx_rx_uar &&
1051                     uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
1052                         /*
1053                          * Rx UAR is used to control interrupts only,
1054                          * should be no datapath noticeable impact,
1055                          * can try "Non-Cached" mapping safely.
1056                          */
1057                         DRV_LOG(DEBUG, "Failed to allocate Rx DevX UAR (BF)");
1058                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
1059                         sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
1060                                                         (sh->ctx, uar_mapping);
1061                 }
1062 #endif
1063                 if (!sh->devx_rx_uar) {
1064                         DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (BF/NC)");
1065                         err = ENOMEM;
1066                         goto exit;
1067                 }
1068                 base_addr = mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar);
1069                 if (base_addr)
1070                         break;
1071                 /*
1072                  * The UARs are allocated by rdma_core within the
1073                  * IB device context, on context closure all UARs
1074                  * will be freed, should be no memory/object leakage.
1075                  */
1076                 DRV_LOG(DEBUG, "Retrying to allocate Rx DevX UAR");
1077                 sh->devx_rx_uar = NULL;
1078         }
1079         /* Check whether we finally succeeded with valid UAR allocation. */
1080         if (!sh->devx_rx_uar) {
1081                 DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (NULL base)");
1082                 err = ENOMEM;
1083         }
1084 exit:
1085         return err;
1086 }
1087
1088 /**
1089  * Allocate shared device context. If there is multiport device the
1090  * master and representors will share this context, if there is single
1091  * port dedicated device, the context will be used by only given
1092  * port due to unification.
1093  *
1094  * Routine first searches the context for the specified device name,
1095  * if found the shared context assumed and reference counter is incremented.
1096  * If no context found the new one is created and initialized with specified
1097  * device context and parameters.
1098  *
1099  * @param[in] spawn
1100  *   Pointer to the device attributes (name, port, etc).
1101  * @param[in] config
1102  *   Pointer to device configuration structure.
1103  *
1104  * @return
1105  *   Pointer to mlx5_dev_ctx_shared object on success,
1106  *   otherwise NULL and rte_errno is set.
1107  */
1108 struct mlx5_dev_ctx_shared *
1109 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
1110                            const struct mlx5_dev_config *config)
1111 {
1112         struct mlx5_dev_ctx_shared *sh;
1113         int err = 0;
1114         uint32_t i;
1115         struct mlx5_devx_tis_attr tis_attr = { 0 };
1116
1117         MLX5_ASSERT(spawn);
1118         /* Secondary process should not create the shared context. */
1119         MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1120         pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1121         /* Search for IB context by device name. */
1122         LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) {
1123                 if (!strcmp(sh->ibdev_name,
1124                         mlx5_os_get_dev_device_name(spawn->phys_dev))) {
1125                         sh->refcnt++;
1126                         goto exit;
1127                 }
1128         }
1129         /* No device found, we have to create new shared context. */
1130         MLX5_ASSERT(spawn->max_port);
1131         sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
1132                          sizeof(struct mlx5_dev_ctx_shared) +
1133                          spawn->max_port *
1134                          sizeof(struct mlx5_dev_shared_port),
1135                          RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1136         if (!sh) {
1137                 DRV_LOG(ERR, "shared context allocation failure");
1138                 rte_errno  = ENOMEM;
1139                 goto exit;
1140         }
1141         sh->numa_node = spawn->numa_node;
1142         if (spawn->bond_info)
1143                 sh->bond = *spawn->bond_info;
1144         err = mlx5_os_open_device(spawn, config, sh);
1145         if (!sh->ctx)
1146                 goto error;
1147         err = mlx5_os_get_dev_attr(sh->ctx, &sh->device_attr);
1148         if (err) {
1149                 DRV_LOG(DEBUG, "mlx5_os_get_dev_attr() failed");
1150                 goto error;
1151         }
1152         sh->refcnt = 1;
1153         sh->max_port = spawn->max_port;
1154         sh->reclaim_mode = config->reclaim_mode;
1155         strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->ctx),
1156                 sizeof(sh->ibdev_name) - 1);
1157         strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->ctx),
1158                 sizeof(sh->ibdev_path) - 1);
1159         /*
1160          * Setting port_id to max unallowed value means
1161          * there is no interrupt subhandler installed for
1162          * the given port index i.
1163          */
1164         for (i = 0; i < sh->max_port; i++) {
1165                 sh->port[i].ih_port_id = RTE_MAX_ETHPORTS;
1166                 sh->port[i].devx_ih_port_id = RTE_MAX_ETHPORTS;
1167         }
1168         sh->pd = mlx5_os_alloc_pd(sh->ctx);
1169         if (sh->pd == NULL) {
1170                 DRV_LOG(ERR, "PD allocation failure");
1171                 err = ENOMEM;
1172                 goto error;
1173         }
1174         if (sh->devx) {
1175                 err = mlx5_os_get_pdn(sh->pd, &sh->pdn);
1176                 if (err) {
1177                         DRV_LOG(ERR, "Fail to extract pdn from PD");
1178                         goto error;
1179                 }
1180                 sh->td = mlx5_devx_cmd_create_td(sh->ctx);
1181                 if (!sh->td) {
1182                         DRV_LOG(ERR, "TD allocation failure");
1183                         err = ENOMEM;
1184                         goto error;
1185                 }
1186                 tis_attr.transport_domain = sh->td->id;
1187                 sh->tis = mlx5_devx_cmd_create_tis(sh->ctx, &tis_attr);
1188                 if (!sh->tis) {
1189                         DRV_LOG(ERR, "TIS allocation failure");
1190                         err = ENOMEM;
1191                         goto error;
1192                 }
1193                 err = mlx5_alloc_rxtx_uars(sh, config);
1194                 if (err)
1195                         goto error;
1196                 MLX5_ASSERT(sh->tx_uar);
1197                 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->tx_uar));
1198
1199                 MLX5_ASSERT(sh->devx_rx_uar);
1200                 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar));
1201         }
1202 #ifndef RTE_ARCH_64
1203         /* Initialize UAR access locks for 32bit implementations. */
1204         rte_spinlock_init(&sh->uar_lock_cq);
1205         for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
1206                 rte_spinlock_init(&sh->uar_lock[i]);
1207 #endif
1208         /*
1209          * Once the device is added to the list of memory event
1210          * callback, its global MR cache table cannot be expanded
1211          * on the fly because of deadlock. If it overflows, lookup
1212          * should be done by searching MR list linearly, which is slow.
1213          *
1214          * At this point the device is not added to the memory
1215          * event list yet, context is just being created.
1216          */
1217         err = mlx5_mr_btree_init(&sh->share_cache.cache,
1218                                  MLX5_MR_BTREE_CACHE_N * 2,
1219                                  sh->numa_node);
1220         if (err) {
1221                 err = rte_errno;
1222                 goto error;
1223         }
1224         mlx5_os_set_reg_mr_cb(&sh->share_cache.reg_mr_cb,
1225                               &sh->share_cache.dereg_mr_cb);
1226         mlx5_os_dev_shared_handler_install(sh);
1227         sh->cnt_id_tbl = mlx5_l3t_create(MLX5_L3T_TYPE_DWORD);
1228         if (!sh->cnt_id_tbl) {
1229                 err = rte_errno;
1230                 goto error;
1231         }
1232         if (LIST_EMPTY(&mlx5_dev_ctx_list)) {
1233                 err = mlx5_flow_os_init_workspace_once();
1234                 if (err)
1235                         goto error;
1236         }
1237         mlx5_flow_aging_init(sh);
1238         mlx5_flow_counters_mng_init(sh);
1239         mlx5_flow_ipool_create(sh, config);
1240         /* Add device to memory callback list. */
1241         rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1242         LIST_INSERT_HEAD(&mlx5_shared_data->mem_event_cb_list,
1243                          sh, mem_event_cb);
1244         rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1245         /* Add context to the global device list. */
1246         LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next);
1247         rte_spinlock_init(&sh->geneve_tlv_opt_sl);
1248 exit:
1249         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1250         return sh;
1251 error:
1252         pthread_mutex_destroy(&sh->txpp.mutex);
1253         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1254         MLX5_ASSERT(sh);
1255         if (sh->cnt_id_tbl)
1256                 mlx5_l3t_destroy(sh->cnt_id_tbl);
1257         if (sh->share_cache.cache.table)
1258                 mlx5_mr_btree_free(&sh->share_cache.cache);
1259         if (sh->tis)
1260                 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1261         if (sh->td)
1262                 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1263         if (sh->devx_rx_uar)
1264                 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1265         if (sh->tx_uar)
1266                 mlx5_glue->devx_free_uar(sh->tx_uar);
1267         if (sh->pd)
1268                 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1269         if (sh->ctx)
1270                 claim_zero(mlx5_glue->close_device(sh->ctx));
1271         mlx5_free(sh);
1272         MLX5_ASSERT(err > 0);
1273         rte_errno = err;
1274         return NULL;
1275 }
1276
1277 /**
1278  * Free shared IB device context. Decrement counter and if zero free
1279  * all allocated resources and close handles.
1280  *
1281  * @param[in] sh
1282  *   Pointer to mlx5_dev_ctx_shared object to free
1283  */
1284 void
1285 mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh)
1286 {
1287         pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1288 #ifdef RTE_LIBRTE_MLX5_DEBUG
1289         /* Check the object presence in the list. */
1290         struct mlx5_dev_ctx_shared *lctx;
1291
1292         LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next)
1293                 if (lctx == sh)
1294                         break;
1295         MLX5_ASSERT(lctx);
1296         if (lctx != sh) {
1297                 DRV_LOG(ERR, "Freeing non-existing shared IB context");
1298                 goto exit;
1299         }
1300 #endif
1301         MLX5_ASSERT(sh);
1302         MLX5_ASSERT(sh->refcnt);
1303         /* Secondary process should not free the shared context. */
1304         MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1305         if (--sh->refcnt)
1306                 goto exit;
1307         /* Remove from memory callback device list. */
1308         rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1309         LIST_REMOVE(sh, mem_event_cb);
1310         rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1311         /* Release created Memory Regions. */
1312         mlx5_mr_release_cache(&sh->share_cache);
1313         /* Remove context from the global device list. */
1314         LIST_REMOVE(sh, next);
1315         /* Release flow workspaces objects on the last device. */
1316         if (LIST_EMPTY(&mlx5_dev_ctx_list))
1317                 mlx5_flow_os_release_workspace();
1318         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1319         /*
1320          *  Ensure there is no async event handler installed.
1321          *  Only primary process handles async device events.
1322          **/
1323         mlx5_flow_counters_mng_close(sh);
1324         if (sh->aso_age_mng) {
1325                 mlx5_flow_aso_age_mng_close(sh);
1326                 sh->aso_age_mng = NULL;
1327         }
1328         if (sh->mtrmng)
1329                 mlx5_aso_flow_mtrs_mng_close(sh);
1330         mlx5_flow_ipool_destroy(sh);
1331         mlx5_os_dev_shared_handler_uninstall(sh);
1332         if (sh->cnt_id_tbl) {
1333                 mlx5_l3t_destroy(sh->cnt_id_tbl);
1334                 sh->cnt_id_tbl = NULL;
1335         }
1336         if (sh->tx_uar) {
1337                 mlx5_glue->devx_free_uar(sh->tx_uar);
1338                 sh->tx_uar = NULL;
1339         }
1340         if (sh->pd)
1341                 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1342         if (sh->tis)
1343                 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1344         if (sh->td)
1345                 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1346         if (sh->devx_rx_uar)
1347                 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1348         if (sh->ctx)
1349                 claim_zero(mlx5_glue->close_device(sh->ctx));
1350         MLX5_ASSERT(sh->geneve_tlv_option_resource == NULL);
1351         pthread_mutex_destroy(&sh->txpp.mutex);
1352         mlx5_free(sh);
1353         return;
1354 exit:
1355         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1356 }
1357
1358 /**
1359  * Destroy table hash list.
1360  *
1361  * @param[in] priv
1362  *   Pointer to the private device data structure.
1363  */
1364 void
1365 mlx5_free_table_hash_list(struct mlx5_priv *priv)
1366 {
1367         struct mlx5_dev_ctx_shared *sh = priv->sh;
1368
1369         if (!sh->flow_tbls)
1370                 return;
1371         mlx5_hlist_destroy(sh->flow_tbls);
1372 }
1373
1374 /**
1375  * Initialize flow table hash list and create the root tables entry
1376  * for each domain.
1377  *
1378  * @param[in] priv
1379  *   Pointer to the private device data structure.
1380  *
1381  * @return
1382  *   Zero on success, positive error code otherwise.
1383  */
1384 int
1385 mlx5_alloc_table_hash_list(struct mlx5_priv *priv __rte_unused)
1386 {
1387         int err = 0;
1388         /* Tables are only used in DV and DR modes. */
1389 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
1390         struct mlx5_dev_ctx_shared *sh = priv->sh;
1391         char s[MLX5_NAME_SIZE];
1392
1393         MLX5_ASSERT(sh);
1394         snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
1395         sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE,
1396                                           false, true, sh,
1397                                           flow_dv_tbl_create_cb,
1398                                           flow_dv_tbl_match_cb,
1399                                           flow_dv_tbl_remove_cb,
1400                                           flow_dv_tbl_clone_cb,
1401                                           flow_dv_tbl_clone_free_cb);
1402         if (!sh->flow_tbls) {
1403                 DRV_LOG(ERR, "flow tables with hash creation failed.");
1404                 err = ENOMEM;
1405                 return err;
1406         }
1407 #ifndef HAVE_MLX5DV_DR
1408         struct rte_flow_error error;
1409         struct rte_eth_dev *dev = &rte_eth_devices[priv->dev_data->port_id];
1410
1411         /*
1412          * In case we have not DR support, the zero tables should be created
1413          * because DV expect to see them even if they cannot be created by
1414          * RDMA-CORE.
1415          */
1416         if (!flow_dv_tbl_resource_get(dev, 0, 0, 0, 0,
1417                 NULL, 0, 1, 0, &error) ||
1418             !flow_dv_tbl_resource_get(dev, 0, 1, 0, 0,
1419                 NULL, 0, 1, 0, &error) ||
1420             !flow_dv_tbl_resource_get(dev, 0, 0, 1, 0,
1421                 NULL, 0, 1, 0, &error)) {
1422                 err = ENOMEM;
1423                 goto error;
1424         }
1425         return err;
1426 error:
1427         mlx5_free_table_hash_list(priv);
1428 #endif /* HAVE_MLX5DV_DR */
1429 #endif
1430         return err;
1431 }
1432
1433 /**
1434  * Retrieve integer value from environment variable.
1435  *
1436  * @param[in] name
1437  *   Environment variable name.
1438  *
1439  * @return
1440  *   Integer value, 0 if the variable is not set.
1441  */
1442 int
1443 mlx5_getenv_int(const char *name)
1444 {
1445         const char *val = getenv(name);
1446
1447         if (val == NULL)
1448                 return 0;
1449         return atoi(val);
1450 }
1451
1452 /**
1453  * DPDK callback to add udp tunnel port
1454  *
1455  * @param[in] dev
1456  *   A pointer to eth_dev
1457  * @param[in] udp_tunnel
1458  *   A pointer to udp tunnel
1459  *
1460  * @return
1461  *   0 on valid udp ports and tunnels, -ENOTSUP otherwise.
1462  */
1463 int
1464 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
1465                          struct rte_eth_udp_tunnel *udp_tunnel)
1466 {
1467         MLX5_ASSERT(udp_tunnel != NULL);
1468         if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
1469             udp_tunnel->udp_port == 4789)
1470                 return 0;
1471         if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN_GPE &&
1472             udp_tunnel->udp_port == 4790)
1473                 return 0;
1474         return -ENOTSUP;
1475 }
1476
1477 /**
1478  * Initialize process private data structure.
1479  *
1480  * @param dev
1481  *   Pointer to Ethernet device structure.
1482  *
1483  * @return
1484  *   0 on success, a negative errno value otherwise and rte_errno is set.
1485  */
1486 int
1487 mlx5_proc_priv_init(struct rte_eth_dev *dev)
1488 {
1489         struct mlx5_priv *priv = dev->data->dev_private;
1490         struct mlx5_proc_priv *ppriv;
1491         size_t ppriv_size;
1492
1493         mlx5_proc_priv_uninit(dev);
1494         /*
1495          * UAR register table follows the process private structure. BlueFlame
1496          * registers for Tx queues are stored in the table.
1497          */
1498         ppriv_size =
1499                 sizeof(struct mlx5_proc_priv) + priv->txqs_n * sizeof(void *);
1500         ppriv = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, ppriv_size,
1501                             RTE_CACHE_LINE_SIZE, dev->device->numa_node);
1502         if (!ppriv) {
1503                 rte_errno = ENOMEM;
1504                 return -rte_errno;
1505         }
1506         ppriv->uar_table_sz = priv->txqs_n;
1507         dev->process_private = ppriv;
1508         return 0;
1509 }
1510
1511 /**
1512  * Un-initialize process private data structure.
1513  *
1514  * @param dev
1515  *   Pointer to Ethernet device structure.
1516  */
1517 void
1518 mlx5_proc_priv_uninit(struct rte_eth_dev *dev)
1519 {
1520         if (!dev->process_private)
1521                 return;
1522         mlx5_free(dev->process_private);
1523         dev->process_private = NULL;
1524 }
1525
1526 /**
1527  * DPDK callback to close the device.
1528  *
1529  * Destroy all queues and objects, free memory.
1530  *
1531  * @param dev
1532  *   Pointer to Ethernet device structure.
1533  */
1534 int
1535 mlx5_dev_close(struct rte_eth_dev *dev)
1536 {
1537         struct mlx5_priv *priv = dev->data->dev_private;
1538         unsigned int i;
1539         int ret;
1540
1541         if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
1542                 /* Check if process_private released. */
1543                 if (!dev->process_private)
1544                         return 0;
1545                 mlx5_tx_uar_uninit_secondary(dev);
1546                 mlx5_proc_priv_uninit(dev);
1547                 rte_eth_dev_release_port(dev);
1548                 return 0;
1549         }
1550         if (!priv->sh)
1551                 return 0;
1552         DRV_LOG(DEBUG, "port %u closing device \"%s\"",
1553                 dev->data->port_id,
1554                 ((priv->sh->ctx != NULL) ?
1555                 mlx5_os_get_ctx_device_name(priv->sh->ctx) : ""));
1556         /*
1557          * If default mreg copy action is removed at the stop stage,
1558          * the search will return none and nothing will be done anymore.
1559          */
1560         mlx5_flow_stop_default(dev);
1561         mlx5_traffic_disable(dev);
1562         /*
1563          * If all the flows are already flushed in the device stop stage,
1564          * then this will return directly without any action.
1565          */
1566         mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, true);
1567         mlx5_action_handle_flush(dev);
1568         mlx5_flow_meter_flush(dev, NULL);
1569         /* Prevent crashes when queues are still in use. */
1570         dev->rx_pkt_burst = removed_rx_burst;
1571         dev->tx_pkt_burst = removed_tx_burst;
1572         rte_wmb();
1573         /* Disable datapath on secondary process. */
1574         mlx5_mp_os_req_stop_rxtx(dev);
1575         /* Free the eCPRI flex parser resource. */
1576         mlx5_flex_parser_ecpri_release(dev);
1577         if (priv->rxqs != NULL) {
1578                 /* XXX race condition if mlx5_rx_burst() is still running. */
1579                 rte_delay_us_sleep(1000);
1580                 for (i = 0; (i != priv->rxqs_n); ++i)
1581                         mlx5_rxq_release(dev, i);
1582                 priv->rxqs_n = 0;
1583                 priv->rxqs = NULL;
1584         }
1585         if (priv->representor) {
1586                 /* Each representor has a dedicated interrupts handler */
1587                 mlx5_free(dev->intr_handle);
1588                 dev->intr_handle = NULL;
1589         }
1590         if (priv->txqs != NULL) {
1591                 /* XXX race condition if mlx5_tx_burst() is still running. */
1592                 rte_delay_us_sleep(1000);
1593                 for (i = 0; (i != priv->txqs_n); ++i)
1594                         mlx5_txq_release(dev, i);
1595                 priv->txqs_n = 0;
1596                 priv->txqs = NULL;
1597         }
1598         mlx5_proc_priv_uninit(dev);
1599         if (priv->q_counters) {
1600                 mlx5_devx_cmd_destroy(priv->q_counters);
1601                 priv->q_counters = NULL;
1602         }
1603         if (priv->drop_queue.hrxq)
1604                 mlx5_drop_action_destroy(dev);
1605         if (priv->mreg_cp_tbl)
1606                 mlx5_hlist_destroy(priv->mreg_cp_tbl);
1607         mlx5_mprq_free_mp(dev);
1608         if (priv->sh->ct_mng)
1609                 mlx5_flow_aso_ct_mng_close(priv->sh);
1610         mlx5_os_free_shared_dr(priv);
1611         if (priv->rss_conf.rss_key != NULL)
1612                 mlx5_free(priv->rss_conf.rss_key);
1613         if (priv->reta_idx != NULL)
1614                 mlx5_free(priv->reta_idx);
1615         if (priv->config.vf)
1616                 mlx5_os_mac_addr_flush(dev);
1617         if (priv->nl_socket_route >= 0)
1618                 close(priv->nl_socket_route);
1619         if (priv->nl_socket_rdma >= 0)
1620                 close(priv->nl_socket_rdma);
1621         if (priv->vmwa_context)
1622                 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1623         ret = mlx5_hrxq_verify(dev);
1624         if (ret)
1625                 DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
1626                         dev->data->port_id);
1627         ret = mlx5_ind_table_obj_verify(dev);
1628         if (ret)
1629                 DRV_LOG(WARNING, "port %u some indirection table still remain",
1630                         dev->data->port_id);
1631         ret = mlx5_rxq_obj_verify(dev);
1632         if (ret)
1633                 DRV_LOG(WARNING, "port %u some Rx queue objects still remain",
1634                         dev->data->port_id);
1635         ret = mlx5_rxq_verify(dev);
1636         if (ret)
1637                 DRV_LOG(WARNING, "port %u some Rx queues still remain",
1638                         dev->data->port_id);
1639         ret = mlx5_txq_obj_verify(dev);
1640         if (ret)
1641                 DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain",
1642                         dev->data->port_id);
1643         ret = mlx5_txq_verify(dev);
1644         if (ret)
1645                 DRV_LOG(WARNING, "port %u some Tx queues still remain",
1646                         dev->data->port_id);
1647         ret = mlx5_flow_verify(dev);
1648         if (ret)
1649                 DRV_LOG(WARNING, "port %u some flows still remain",
1650                         dev->data->port_id);
1651         if (priv->hrxqs)
1652                 mlx5_list_destroy(priv->hrxqs);
1653         /*
1654          * Free the shared context in last turn, because the cleanup
1655          * routines above may use some shared fields, like
1656          * mlx5_os_mac_addr_flush() uses ibdev_path for retrieveing
1657          * ifindex if Netlink fails.
1658          */
1659         mlx5_free_shared_dev_ctx(priv->sh);
1660         if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
1661                 unsigned int c = 0;
1662                 uint16_t port_id;
1663
1664                 MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
1665                         struct mlx5_priv *opriv =
1666                                 rte_eth_devices[port_id].data->dev_private;
1667
1668                         if (!opriv ||
1669                             opriv->domain_id != priv->domain_id ||
1670                             &rte_eth_devices[port_id] == dev)
1671                                 continue;
1672                         ++c;
1673                         break;
1674                 }
1675                 if (!c)
1676                         claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1677         }
1678         memset(priv, 0, sizeof(*priv));
1679         priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
1680         /*
1681          * Reset mac_addrs to NULL such that it is not freed as part of
1682          * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
1683          * it is freed when dev_private is freed.
1684          */
1685         dev->data->mac_addrs = NULL;
1686         return 0;
1687 }
1688
1689 const struct eth_dev_ops mlx5_dev_ops = {
1690         .dev_configure = mlx5_dev_configure,
1691         .dev_start = mlx5_dev_start,
1692         .dev_stop = mlx5_dev_stop,
1693         .dev_set_link_down = mlx5_set_link_down,
1694         .dev_set_link_up = mlx5_set_link_up,
1695         .dev_close = mlx5_dev_close,
1696         .promiscuous_enable = mlx5_promiscuous_enable,
1697         .promiscuous_disable = mlx5_promiscuous_disable,
1698         .allmulticast_enable = mlx5_allmulticast_enable,
1699         .allmulticast_disable = mlx5_allmulticast_disable,
1700         .link_update = mlx5_link_update,
1701         .stats_get = mlx5_stats_get,
1702         .stats_reset = mlx5_stats_reset,
1703         .xstats_get = mlx5_xstats_get,
1704         .xstats_reset = mlx5_xstats_reset,
1705         .xstats_get_names = mlx5_xstats_get_names,
1706         .fw_version_get = mlx5_fw_version_get,
1707         .dev_infos_get = mlx5_dev_infos_get,
1708         .representor_info_get = mlx5_representor_info_get,
1709         .read_clock = mlx5_txpp_read_clock,
1710         .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
1711         .vlan_filter_set = mlx5_vlan_filter_set,
1712         .rx_queue_setup = mlx5_rx_queue_setup,
1713         .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
1714         .tx_queue_setup = mlx5_tx_queue_setup,
1715         .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
1716         .rx_queue_release = mlx5_rx_queue_release,
1717         .tx_queue_release = mlx5_tx_queue_release,
1718         .rx_queue_start = mlx5_rx_queue_start,
1719         .rx_queue_stop = mlx5_rx_queue_stop,
1720         .tx_queue_start = mlx5_tx_queue_start,
1721         .tx_queue_stop = mlx5_tx_queue_stop,
1722         .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
1723         .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
1724         .mac_addr_remove = mlx5_mac_addr_remove,
1725         .mac_addr_add = mlx5_mac_addr_add,
1726         .mac_addr_set = mlx5_mac_addr_set,
1727         .set_mc_addr_list = mlx5_set_mc_addr_list,
1728         .mtu_set = mlx5_dev_set_mtu,
1729         .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
1730         .vlan_offload_set = mlx5_vlan_offload_set,
1731         .reta_update = mlx5_dev_rss_reta_update,
1732         .reta_query = mlx5_dev_rss_reta_query,
1733         .rss_hash_update = mlx5_rss_hash_update,
1734         .rss_hash_conf_get = mlx5_rss_hash_conf_get,
1735         .flow_ops_get = mlx5_flow_ops_get,
1736         .rxq_info_get = mlx5_rxq_info_get,
1737         .txq_info_get = mlx5_txq_info_get,
1738         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1739         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1740         .rx_queue_intr_enable = mlx5_rx_intr_enable,
1741         .rx_queue_intr_disable = mlx5_rx_intr_disable,
1742         .is_removed = mlx5_is_removed,
1743         .udp_tunnel_port_add  = mlx5_udp_tunnel_port_add,
1744         .get_module_info = mlx5_get_module_info,
1745         .get_module_eeprom = mlx5_get_module_eeprom,
1746         .hairpin_cap_get = mlx5_hairpin_cap_get,
1747         .mtr_ops_get = mlx5_flow_meter_ops_get,
1748         .hairpin_bind = mlx5_hairpin_bind,
1749         .hairpin_unbind = mlx5_hairpin_unbind,
1750         .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
1751         .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
1752         .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
1753         .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
1754         .get_monitor_addr = mlx5_get_monitor_addr,
1755 };
1756
1757 /* Available operations from secondary process. */
1758 const struct eth_dev_ops mlx5_dev_sec_ops = {
1759         .stats_get = mlx5_stats_get,
1760         .stats_reset = mlx5_stats_reset,
1761         .xstats_get = mlx5_xstats_get,
1762         .xstats_reset = mlx5_xstats_reset,
1763         .xstats_get_names = mlx5_xstats_get_names,
1764         .fw_version_get = mlx5_fw_version_get,
1765         .dev_infos_get = mlx5_dev_infos_get,
1766         .representor_info_get = mlx5_representor_info_get,
1767         .read_clock = mlx5_txpp_read_clock,
1768         .rx_queue_start = mlx5_rx_queue_start,
1769         .rx_queue_stop = mlx5_rx_queue_stop,
1770         .tx_queue_start = mlx5_tx_queue_start,
1771         .tx_queue_stop = mlx5_tx_queue_stop,
1772         .rxq_info_get = mlx5_rxq_info_get,
1773         .txq_info_get = mlx5_txq_info_get,
1774         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1775         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1776         .get_module_info = mlx5_get_module_info,
1777         .get_module_eeprom = mlx5_get_module_eeprom,
1778 };
1779
1780 /* Available operations in flow isolated mode. */
1781 const struct eth_dev_ops mlx5_dev_ops_isolate = {
1782         .dev_configure = mlx5_dev_configure,
1783         .dev_start = mlx5_dev_start,
1784         .dev_stop = mlx5_dev_stop,
1785         .dev_set_link_down = mlx5_set_link_down,
1786         .dev_set_link_up = mlx5_set_link_up,
1787         .dev_close = mlx5_dev_close,
1788         .promiscuous_enable = mlx5_promiscuous_enable,
1789         .promiscuous_disable = mlx5_promiscuous_disable,
1790         .allmulticast_enable = mlx5_allmulticast_enable,
1791         .allmulticast_disable = mlx5_allmulticast_disable,
1792         .link_update = mlx5_link_update,
1793         .stats_get = mlx5_stats_get,
1794         .stats_reset = mlx5_stats_reset,
1795         .xstats_get = mlx5_xstats_get,
1796         .xstats_reset = mlx5_xstats_reset,
1797         .xstats_get_names = mlx5_xstats_get_names,
1798         .fw_version_get = mlx5_fw_version_get,
1799         .dev_infos_get = mlx5_dev_infos_get,
1800         .representor_info_get = mlx5_representor_info_get,
1801         .read_clock = mlx5_txpp_read_clock,
1802         .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
1803         .vlan_filter_set = mlx5_vlan_filter_set,
1804         .rx_queue_setup = mlx5_rx_queue_setup,
1805         .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
1806         .tx_queue_setup = mlx5_tx_queue_setup,
1807         .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
1808         .rx_queue_release = mlx5_rx_queue_release,
1809         .tx_queue_release = mlx5_tx_queue_release,
1810         .rx_queue_start = mlx5_rx_queue_start,
1811         .rx_queue_stop = mlx5_rx_queue_stop,
1812         .tx_queue_start = mlx5_tx_queue_start,
1813         .tx_queue_stop = mlx5_tx_queue_stop,
1814         .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
1815         .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
1816         .mac_addr_remove = mlx5_mac_addr_remove,
1817         .mac_addr_add = mlx5_mac_addr_add,
1818         .mac_addr_set = mlx5_mac_addr_set,
1819         .set_mc_addr_list = mlx5_set_mc_addr_list,
1820         .mtu_set = mlx5_dev_set_mtu,
1821         .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
1822         .vlan_offload_set = mlx5_vlan_offload_set,
1823         .flow_ops_get = mlx5_flow_ops_get,
1824         .rxq_info_get = mlx5_rxq_info_get,
1825         .txq_info_get = mlx5_txq_info_get,
1826         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1827         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1828         .rx_queue_intr_enable = mlx5_rx_intr_enable,
1829         .rx_queue_intr_disable = mlx5_rx_intr_disable,
1830         .is_removed = mlx5_is_removed,
1831         .get_module_info = mlx5_get_module_info,
1832         .get_module_eeprom = mlx5_get_module_eeprom,
1833         .hairpin_cap_get = mlx5_hairpin_cap_get,
1834         .mtr_ops_get = mlx5_flow_meter_ops_get,
1835         .hairpin_bind = mlx5_hairpin_bind,
1836         .hairpin_unbind = mlx5_hairpin_unbind,
1837         .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
1838         .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
1839         .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
1840         .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
1841         .get_monitor_addr = mlx5_get_monitor_addr,
1842 };
1843
1844 /**
1845  * Verify and store value for device argument.
1846  *
1847  * @param[in] key
1848  *   Key argument to verify.
1849  * @param[in] val
1850  *   Value associated with key.
1851  * @param opaque
1852  *   User data.
1853  *
1854  * @return
1855  *   0 on success, a negative errno value otherwise and rte_errno is set.
1856  */
1857 static int
1858 mlx5_args_check(const char *key, const char *val, void *opaque)
1859 {
1860         struct mlx5_dev_config *config = opaque;
1861         unsigned long mod;
1862         signed long tmp;
1863
1864         /* No-op, port representors are processed in mlx5_dev_spawn(). */
1865         if (!strcmp(MLX5_REPRESENTOR, key))
1866                 return 0;
1867         errno = 0;
1868         tmp = strtol(val, NULL, 0);
1869         if (errno) {
1870                 rte_errno = errno;
1871                 DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
1872                 return -rte_errno;
1873         }
1874         if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) {
1875                 /* Negative values are acceptable for some keys only. */
1876                 rte_errno = EINVAL;
1877                 DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
1878                 return -rte_errno;
1879         }
1880         mod = tmp >= 0 ? tmp : -tmp;
1881         if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
1882                 if (tmp > MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
1883                         DRV_LOG(ERR, "invalid CQE compression "
1884                                      "format parameter");
1885                         rte_errno = EINVAL;
1886                         return -rte_errno;
1887                 }
1888                 config->cqe_comp = !!tmp;
1889                 config->cqe_comp_fmt = tmp;
1890         } else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) {
1891                 config->hw_padding = !!tmp;
1892         } else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
1893                 config->mprq.enabled = !!tmp;
1894         } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
1895                 config->mprq.stride_num_n = tmp;
1896         } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) {
1897                 config->mprq.stride_size_n = tmp;
1898         } else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) {
1899                 config->mprq.max_memcpy_len = tmp;
1900         } else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) {
1901                 config->mprq.min_rxqs_num = tmp;
1902         } else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
1903                 DRV_LOG(WARNING, "%s: deprecated parameter,"
1904                                  " converted to txq_inline_max", key);
1905                 config->txq_inline_max = tmp;
1906         } else if (strcmp(MLX5_TXQ_INLINE_MAX, key) == 0) {
1907                 config->txq_inline_max = tmp;
1908         } else if (strcmp(MLX5_TXQ_INLINE_MIN, key) == 0) {
1909                 config->txq_inline_min = tmp;
1910         } else if (strcmp(MLX5_TXQ_INLINE_MPW, key) == 0) {
1911                 config->txq_inline_mpw = tmp;
1912         } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
1913                 config->txqs_inline = tmp;
1914         } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
1915                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1916         } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
1917                 config->mps = !!tmp;
1918         } else if (strcmp(MLX5_TX_DB_NC, key) == 0) {
1919                 if (tmp != MLX5_TXDB_CACHED &&
1920                     tmp != MLX5_TXDB_NCACHED &&
1921                     tmp != MLX5_TXDB_HEURISTIC) {
1922                         DRV_LOG(ERR, "invalid Tx doorbell "
1923                                      "mapping parameter");
1924                         rte_errno = EINVAL;
1925                         return -rte_errno;
1926                 }
1927                 config->dbnc = tmp;
1928         } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
1929                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1930         } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
1931                 DRV_LOG(WARNING, "%s: deprecated parameter,"
1932                                  " converted to txq_inline_mpw", key);
1933                 config->txq_inline_mpw = tmp;
1934         } else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
1935                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1936         } else if (strcmp(MLX5_TX_PP, key) == 0) {
1937                 if (!mod) {
1938                         DRV_LOG(ERR, "Zero Tx packet pacing parameter");
1939                         rte_errno = EINVAL;
1940                         return -rte_errno;
1941                 }
1942                 config->tx_pp = tmp;
1943         } else if (strcmp(MLX5_TX_SKEW, key) == 0) {
1944                 config->tx_skew = tmp;
1945         } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
1946                 config->rx_vec_en = !!tmp;
1947         } else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) {
1948                 config->l3_vxlan_en = !!tmp;
1949         } else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
1950                 config->vf_nl_en = !!tmp;
1951         } else if (strcmp(MLX5_DV_ESW_EN, key) == 0) {
1952                 config->dv_esw_en = !!tmp;
1953         } else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) {
1954                 config->dv_flow_en = !!tmp;
1955         } else if (strcmp(MLX5_DV_XMETA_EN, key) == 0) {
1956                 if (tmp != MLX5_XMETA_MODE_LEGACY &&
1957                     tmp != MLX5_XMETA_MODE_META16 &&
1958                     tmp != MLX5_XMETA_MODE_META32 &&
1959                     tmp != MLX5_XMETA_MODE_MISS_INFO) {
1960                         DRV_LOG(ERR, "invalid extensive "
1961                                      "metadata parameter");
1962                         rte_errno = EINVAL;
1963                         return -rte_errno;
1964                 }
1965                 if (tmp != MLX5_XMETA_MODE_MISS_INFO)
1966                         config->dv_xmeta_en = tmp;
1967                 else
1968                         config->dv_miss_info = 1;
1969         } else if (strcmp(MLX5_LACP_BY_USER, key) == 0) {
1970                 config->lacp_by_user = !!tmp;
1971         } else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
1972                 config->mr_ext_memseg_en = !!tmp;
1973         } else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
1974                 config->max_dump_files_num = tmp;
1975         } else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
1976                 config->lro.timeout = tmp;
1977         } else if (strcmp(RTE_DEVARGS_KEY_CLASS, key) == 0) {
1978                 DRV_LOG(DEBUG, "class argument is %s.", val);
1979         } else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) {
1980                 config->log_hp_size = tmp;
1981         } else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) {
1982                 if (tmp != MLX5_RCM_NONE &&
1983                     tmp != MLX5_RCM_LIGHT &&
1984                     tmp != MLX5_RCM_AGGR) {
1985                         DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val);
1986                         rte_errno = EINVAL;
1987                         return -rte_errno;
1988                 }
1989                 config->reclaim_mode = tmp;
1990         } else if (strcmp(MLX5_SYS_MEM_EN, key) == 0) {
1991                 config->sys_mem_en = !!tmp;
1992         } else if (strcmp(MLX5_DECAP_EN, key) == 0) {
1993                 config->decap_en = !!tmp;
1994         } else if (strcmp(MLX5_ALLOW_DUPLICATE_PATTERN, key) == 0) {
1995                 config->allow_duplicate_pattern = !!tmp;
1996         } else {
1997                 DRV_LOG(WARNING, "%s: unknown parameter", key);
1998                 rte_errno = EINVAL;
1999                 return -rte_errno;
2000         }
2001         return 0;
2002 }
2003
2004 /**
2005  * Parse device parameters.
2006  *
2007  * @param config
2008  *   Pointer to device configuration structure.
2009  * @param devargs
2010  *   Device arguments structure.
2011  *
2012  * @return
2013  *   0 on success, a negative errno value otherwise and rte_errno is set.
2014  */
2015 int
2016 mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
2017 {
2018         const char **params = (const char *[]){
2019                 MLX5_RXQ_CQE_COMP_EN,
2020                 MLX5_RXQ_PKT_PAD_EN,
2021                 MLX5_RX_MPRQ_EN,
2022                 MLX5_RX_MPRQ_LOG_STRIDE_NUM,
2023                 MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
2024                 MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
2025                 MLX5_RXQS_MIN_MPRQ,
2026                 MLX5_TXQ_INLINE,
2027                 MLX5_TXQ_INLINE_MIN,
2028                 MLX5_TXQ_INLINE_MAX,
2029                 MLX5_TXQ_INLINE_MPW,
2030                 MLX5_TXQS_MIN_INLINE,
2031                 MLX5_TXQS_MAX_VEC,
2032                 MLX5_TXQ_MPW_EN,
2033                 MLX5_TXQ_MPW_HDR_DSEG_EN,
2034                 MLX5_TXQ_MAX_INLINE_LEN,
2035                 MLX5_TX_DB_NC,
2036                 MLX5_TX_PP,
2037                 MLX5_TX_SKEW,
2038                 MLX5_TX_VEC_EN,
2039                 MLX5_RX_VEC_EN,
2040                 MLX5_L3_VXLAN_EN,
2041                 MLX5_VF_NL_EN,
2042                 MLX5_DV_ESW_EN,
2043                 MLX5_DV_FLOW_EN,
2044                 MLX5_DV_XMETA_EN,
2045                 MLX5_LACP_BY_USER,
2046                 MLX5_MR_EXT_MEMSEG_EN,
2047                 MLX5_REPRESENTOR,
2048                 MLX5_MAX_DUMP_FILES_NUM,
2049                 MLX5_LRO_TIMEOUT_USEC,
2050                 RTE_DEVARGS_KEY_CLASS,
2051                 MLX5_HP_BUF_SIZE,
2052                 MLX5_RECLAIM_MEM,
2053                 MLX5_SYS_MEM_EN,
2054                 MLX5_DECAP_EN,
2055                 MLX5_ALLOW_DUPLICATE_PATTERN,
2056                 NULL,
2057         };
2058         struct rte_kvargs *kvlist;
2059         int ret = 0;
2060         int i;
2061
2062         if (devargs == NULL)
2063                 return 0;
2064         /* Following UGLY cast is done to pass checkpatch. */
2065         kvlist = rte_kvargs_parse(devargs->args, params);
2066         if (kvlist == NULL) {
2067                 rte_errno = EINVAL;
2068                 return -rte_errno;
2069         }
2070         /* Process parameters. */
2071         for (i = 0; (params[i] != NULL); ++i) {
2072                 if (rte_kvargs_count(kvlist, params[i])) {
2073                         ret = rte_kvargs_process(kvlist, params[i],
2074                                                  mlx5_args_check, config);
2075                         if (ret) {
2076                                 rte_errno = EINVAL;
2077                                 rte_kvargs_free(kvlist);
2078                                 return -rte_errno;
2079                         }
2080                 }
2081         }
2082         rte_kvargs_free(kvlist);
2083         return 0;
2084 }
2085
2086 /**
2087  * Configures the minimal amount of data to inline into WQE
2088  * while sending packets.
2089  *
2090  * - the txq_inline_min has the maximal priority, if this
2091  *   key is specified in devargs
2092  * - if DevX is enabled the inline mode is queried from the
2093  *   device (HCA attributes and NIC vport context if needed).
2094  * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx
2095  *   and none (0 bytes) for other NICs
2096  *
2097  * @param spawn
2098  *   Verbs device parameters (name, port, switch_info) to spawn.
2099  * @param config
2100  *   Device configuration parameters.
2101  */
2102 void
2103 mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
2104                     struct mlx5_dev_config *config)
2105 {
2106         if (config->txq_inline_min != MLX5_ARG_UNSET) {
2107                 /* Application defines size of inlined data explicitly. */
2108                 if (spawn->pci_dev != NULL) {
2109                         switch (spawn->pci_dev->id.device_id) {
2110                         case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2111                         case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2112                                 if (config->txq_inline_min <
2113                                                (int)MLX5_INLINE_HSIZE_L2) {
2114                                         DRV_LOG(DEBUG,
2115                                                 "txq_inline_mix aligned to minimal ConnectX-4 required value %d",
2116                                                 (int)MLX5_INLINE_HSIZE_L2);
2117                                         config->txq_inline_min =
2118                                                         MLX5_INLINE_HSIZE_L2;
2119                                 }
2120                                 break;
2121                         }
2122                 }
2123                 goto exit;
2124         }
2125         if (config->hca_attr.eth_net_offloads) {
2126                 /* We have DevX enabled, inline mode queried successfully. */
2127                 switch (config->hca_attr.wqe_inline_mode) {
2128                 case MLX5_CAP_INLINE_MODE_L2:
2129                         /* outer L2 header must be inlined. */
2130                         config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2131                         goto exit;
2132                 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
2133                         /* No inline data are required by NIC. */
2134                         config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2135                         config->hw_vlan_insert =
2136                                 config->hca_attr.wqe_vlan_insert;
2137                         DRV_LOG(DEBUG, "Tx VLAN insertion is supported");
2138                         goto exit;
2139                 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
2140                         /* inline mode is defined by NIC vport context. */
2141                         if (!config->hca_attr.eth_virt)
2142                                 break;
2143                         switch (config->hca_attr.vport_inline_mode) {
2144                         case MLX5_INLINE_MODE_NONE:
2145                                 config->txq_inline_min =
2146                                         MLX5_INLINE_HSIZE_NONE;
2147                                 goto exit;
2148                         case MLX5_INLINE_MODE_L2:
2149                                 config->txq_inline_min =
2150                                         MLX5_INLINE_HSIZE_L2;
2151                                 goto exit;
2152                         case MLX5_INLINE_MODE_IP:
2153                                 config->txq_inline_min =
2154                                         MLX5_INLINE_HSIZE_L3;
2155                                 goto exit;
2156                         case MLX5_INLINE_MODE_TCP_UDP:
2157                                 config->txq_inline_min =
2158                                         MLX5_INLINE_HSIZE_L4;
2159                                 goto exit;
2160                         case MLX5_INLINE_MODE_INNER_L2:
2161                                 config->txq_inline_min =
2162                                         MLX5_INLINE_HSIZE_INNER_L2;
2163                                 goto exit;
2164                         case MLX5_INLINE_MODE_INNER_IP:
2165                                 config->txq_inline_min =
2166                                         MLX5_INLINE_HSIZE_INNER_L3;
2167                                 goto exit;
2168                         case MLX5_INLINE_MODE_INNER_TCP_UDP:
2169                                 config->txq_inline_min =
2170                                         MLX5_INLINE_HSIZE_INNER_L4;
2171                                 goto exit;
2172                         }
2173                 }
2174         }
2175         if (spawn->pci_dev == NULL) {
2176                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2177                 goto exit;
2178         }
2179         /*
2180          * We get here if we are unable to deduce
2181          * inline data size with DevX. Try PCI ID
2182          * to determine old NICs.
2183          */
2184         switch (spawn->pci_dev->id.device_id) {
2185         case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2186         case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2187         case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
2188         case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
2189                 config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2190                 config->hw_vlan_insert = 0;
2191                 break;
2192         case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
2193         case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
2194         case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
2195         case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
2196                 /*
2197                  * These NICs support VLAN insertion from WQE and
2198                  * report the wqe_vlan_insert flag. But there is the bug
2199                  * and PFC control may be broken, so disable feature.
2200                  */
2201                 config->hw_vlan_insert = 0;
2202                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2203                 break;
2204         default:
2205                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2206                 break;
2207         }
2208 exit:
2209         DRV_LOG(DEBUG, "min tx inline configured: %d", config->txq_inline_min);
2210 }
2211
2212 /**
2213  * Configures the metadata mask fields in the shared context.
2214  *
2215  * @param [in] dev
2216  *   Pointer to Ethernet device.
2217  */
2218 void
2219 mlx5_set_metadata_mask(struct rte_eth_dev *dev)
2220 {
2221         struct mlx5_priv *priv = dev->data->dev_private;
2222         struct mlx5_dev_ctx_shared *sh = priv->sh;
2223         uint32_t meta, mark, reg_c0;
2224
2225         reg_c0 = ~priv->vport_meta_mask;
2226         switch (priv->config.dv_xmeta_en) {
2227         case MLX5_XMETA_MODE_LEGACY:
2228                 meta = UINT32_MAX;
2229                 mark = MLX5_FLOW_MARK_MASK;
2230                 break;
2231         case MLX5_XMETA_MODE_META16:
2232                 meta = reg_c0 >> rte_bsf32(reg_c0);
2233                 mark = MLX5_FLOW_MARK_MASK;
2234                 break;
2235         case MLX5_XMETA_MODE_META32:
2236                 meta = UINT32_MAX;
2237                 mark = (reg_c0 >> rte_bsf32(reg_c0)) & MLX5_FLOW_MARK_MASK;
2238                 break;
2239         default:
2240                 meta = 0;
2241                 mark = 0;
2242                 MLX5_ASSERT(false);
2243                 break;
2244         }
2245         if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
2246                 DRV_LOG(WARNING, "metadata MARK mask mismatche %08X:%08X",
2247                                  sh->dv_mark_mask, mark);
2248         else
2249                 sh->dv_mark_mask = mark;
2250         if (sh->dv_meta_mask && sh->dv_meta_mask != meta)
2251                 DRV_LOG(WARNING, "metadata META mask mismatche %08X:%08X",
2252                                  sh->dv_meta_mask, meta);
2253         else
2254                 sh->dv_meta_mask = meta;
2255         if (sh->dv_regc0_mask && sh->dv_regc0_mask != reg_c0)
2256                 DRV_LOG(WARNING, "metadata reg_c0 mask mismatche %08X:%08X",
2257                                  sh->dv_meta_mask, reg_c0);
2258         else
2259                 sh->dv_regc0_mask = reg_c0;
2260         DRV_LOG(DEBUG, "metadata mode %u", priv->config.dv_xmeta_en);
2261         DRV_LOG(DEBUG, "metadata MARK mask %08X", sh->dv_mark_mask);
2262         DRV_LOG(DEBUG, "metadata META mask %08X", sh->dv_meta_mask);
2263         DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask);
2264 }
2265
2266 int
2267 rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
2268 {
2269         static const char *const dynf_names[] = {
2270                 RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
2271                 RTE_MBUF_DYNFLAG_METADATA_NAME,
2272                 RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME
2273         };
2274         unsigned int i;
2275
2276         if (n < RTE_DIM(dynf_names))
2277                 return -ENOMEM;
2278         for (i = 0; i < RTE_DIM(dynf_names); i++) {
2279                 if (names[i] == NULL)
2280                         return -EINVAL;
2281                 strcpy(names[i], dynf_names[i]);
2282         }
2283         return RTE_DIM(dynf_names);
2284 }
2285
2286 /**
2287  * Comparison callback to sort device data.
2288  *
2289  * This is meant to be used with qsort().
2290  *
2291  * @param a[in]
2292  *   Pointer to pointer to first data object.
2293  * @param b[in]
2294  *   Pointer to pointer to second data object.
2295  *
2296  * @return
2297  *   0 if both objects are equal, less than 0 if the first argument is less
2298  *   than the second, greater than 0 otherwise.
2299  */
2300 int
2301 mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
2302                               struct mlx5_dev_config *config,
2303                               struct rte_device *dpdk_dev)
2304 {
2305         struct mlx5_dev_ctx_shared *sh = priv->sh;
2306         struct mlx5_dev_config *sh_conf = NULL;
2307         uint16_t port_id;
2308
2309         MLX5_ASSERT(sh);
2310         /* Nothing to compare for the single/first device. */
2311         if (sh->refcnt == 1)
2312                 return 0;
2313         /* Find the device with shared context. */
2314         MLX5_ETH_FOREACH_DEV(port_id, dpdk_dev) {
2315                 struct mlx5_priv *opriv =
2316                         rte_eth_devices[port_id].data->dev_private;
2317
2318                 if (opriv && opriv != priv && opriv->sh == sh) {
2319                         sh_conf = &opriv->config;
2320                         break;
2321                 }
2322         }
2323         if (!sh_conf)
2324                 return 0;
2325         if (sh_conf->dv_flow_en ^ config->dv_flow_en) {
2326                 DRV_LOG(ERR, "\"dv_flow_en\" configuration mismatch"
2327                              " for shared %s context", sh->ibdev_name);
2328                 rte_errno = EINVAL;
2329                 return rte_errno;
2330         }
2331         if (sh_conf->dv_xmeta_en ^ config->dv_xmeta_en) {
2332                 DRV_LOG(ERR, "\"dv_xmeta_en\" configuration mismatch"
2333                              " for shared %s context", sh->ibdev_name);
2334                 rte_errno = EINVAL;
2335                 return rte_errno;
2336         }
2337         return 0;
2338 }
2339
2340 /**
2341  * Look for the ethernet device belonging to mlx5 driver.
2342  *
2343  * @param[in] port_id
2344  *   port_id to start looking for device.
2345  * @param[in] odev
2346  *   Pointer to the hint device. When device is being probed
2347  *   the its siblings (master and preceding representors might
2348  *   not have assigned driver yet (because the mlx5_os_pci_probe()
2349  *   is not completed yet, for this case match on hint
2350  *   device may be used to detect sibling device.
2351  *
2352  * @return
2353  *   port_id of found device, RTE_MAX_ETHPORT if not found.
2354  */
2355 uint16_t
2356 mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev)
2357 {
2358         while (port_id < RTE_MAX_ETHPORTS) {
2359                 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2360
2361                 if (dev->state != RTE_ETH_DEV_UNUSED &&
2362                     dev->device &&
2363                     (dev->device == odev ||
2364                      (dev->device->driver &&
2365                      dev->device->driver->name &&
2366                      ((strcmp(dev->device->driver->name,
2367                               MLX5_PCI_DRIVER_NAME) == 0) ||
2368                       (strcmp(dev->device->driver->name,
2369                               MLX5_AUXILIARY_DRIVER_NAME) == 0)))))
2370                         break;
2371                 port_id++;
2372         }
2373         if (port_id >= RTE_MAX_ETHPORTS)
2374                 return RTE_MAX_ETHPORTS;
2375         return port_id;
2376 }
2377
2378 /**
2379  * Callback to remove a device.
2380  *
2381  * This function removes all Ethernet devices belong to a given device.
2382  *
2383  * @param[in] dev
2384  *   Pointer to the generic device.
2385  *
2386  * @return
2387  *   0 on success, the function cannot fail.
2388  */
2389 int
2390 mlx5_net_remove(struct rte_device *dev)
2391 {
2392         uint16_t port_id;
2393         int ret = 0;
2394
2395         RTE_ETH_FOREACH_DEV_OF(port_id, dev) {
2396                 /*
2397                  * mlx5_dev_close() is not registered to secondary process,
2398                  * call the close function explicitly for secondary process.
2399                  */
2400                 if (rte_eal_process_type() == RTE_PROC_SECONDARY)
2401                         ret |= mlx5_dev_close(&rte_eth_devices[port_id]);
2402                 else
2403                         ret |= rte_eth_dev_close(port_id);
2404         }
2405         return ret == 0 ? 0 : -EIO;
2406 }
2407
2408 static const struct rte_pci_id mlx5_pci_id_map[] = {
2409         {
2410                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2411                                PCI_DEVICE_ID_MELLANOX_CONNECTX4)
2412         },
2413         {
2414                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2415                                PCI_DEVICE_ID_MELLANOX_CONNECTX4VF)
2416         },
2417         {
2418                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2419                                PCI_DEVICE_ID_MELLANOX_CONNECTX4LX)
2420         },
2421         {
2422                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2423                                PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF)
2424         },
2425         {
2426                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2427                                PCI_DEVICE_ID_MELLANOX_CONNECTX5)
2428         },
2429         {
2430                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2431                                PCI_DEVICE_ID_MELLANOX_CONNECTX5VF)
2432         },
2433         {
2434                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2435                                PCI_DEVICE_ID_MELLANOX_CONNECTX5EX)
2436         },
2437         {
2438                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2439                                PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)
2440         },
2441         {
2442                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2443                                PCI_DEVICE_ID_MELLANOX_CONNECTX5BF)
2444         },
2445         {
2446                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2447                                PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
2448         },
2449         {
2450                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2451                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6)
2452         },
2453         {
2454                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2455                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
2456         },
2457         {
2458                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2459                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DX)
2460         },
2461         {
2462                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2463                                 PCI_DEVICE_ID_MELLANOX_CONNECTXVF)
2464         },
2465         {
2466                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2467                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
2468         },
2469         {
2470                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2471                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6LX)
2472         },
2473         {
2474                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2475                                 PCI_DEVICE_ID_MELLANOX_CONNECTX7)
2476         },
2477         {
2478                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2479                                 PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
2480         },
2481         {
2482                 .vendor_id = 0
2483         }
2484 };
2485
2486 static struct mlx5_class_driver mlx5_net_driver = {
2487         .drv_class = MLX5_CLASS_ETH,
2488         .name = RTE_STR(MLX5_ETH_DRIVER_NAME),
2489         .id_table = mlx5_pci_id_map,
2490         .probe = mlx5_os_net_probe,
2491         .remove = mlx5_net_remove,
2492         .dma_map = mlx5_net_dma_map,
2493         .dma_unmap = mlx5_net_dma_unmap,
2494         .probe_again = 1,
2495         .intr_lsc = 1,
2496         .intr_rmv = 1,
2497 };
2498
2499 /* Initialize driver log type. */
2500 RTE_LOG_REGISTER_DEFAULT(mlx5_logtype, NOTICE)
2501
2502 /**
2503  * Driver initialization routine.
2504  */
2505 RTE_INIT(rte_mlx5_pmd_init)
2506 {
2507         pthread_mutex_init(&mlx5_dev_ctx_list_mutex, NULL);
2508         mlx5_common_init();
2509         /* Build the static tables for Verbs conversion. */
2510         mlx5_set_ptype_table();
2511         mlx5_set_cksum_table();
2512         mlx5_set_swp_types_table();
2513         if (mlx5_glue)
2514                 mlx5_class_driver_register(&mlx5_net_driver);
2515 }
2516
2517 RTE_PMD_EXPORT_NAME(MLX5_ETH_DRIVER_NAME, __COUNTER__);
2518 RTE_PMD_REGISTER_PCI_TABLE(MLX5_ETH_DRIVER_NAME, mlx5_pci_id_map);
2519 RTE_PMD_REGISTER_KMOD_DEP(MLX5_ETH_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib");