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 <ethdev_pci.h>
  16 #include <rte_pci.h>
  17 #include <rte_bus_pci.h>
  18 #include <rte_common.h>
  19 #include <rte_kvargs.h>
  20 #include <rte_rwlock.h>
  21 #include <rte_spinlock.h>
  22 #include <rte_string_fns.h>
  23 #include <rte_alarm.h>
  24 #include <rte_cycles.h>
  25
  26 #include <mlx5_glue.h>
  27 #include <mlx5_devx_cmds.h>
  28 #include <mlx5_common.h>
  29 #include <mlx5_common_os.h>
  30 #include <mlx5_common_mp.h>
  31 #include <mlx5_common_pci.h>
  32 #include <mlx5_malloc.h>
  33
  34 #include "mlx5_defs.h"
  35 #include "mlx5.h"
  36 #include "mlx5_utils.h"
  37 #include "mlx5_rxtx.h"
  38 #include "mlx5_rx.h"
  39 #include "mlx5_tx.h"
  40 #include "mlx5_autoconf.h"
  41 #include "mlx5_mr.h"
  42 #include "mlx5_flow.h"
  43 #include "mlx5_flow_os.h"
  44 #include "rte_pmd_mlx5.h"
  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  * Initialize the ASO aging management structure.
 404  *
 405  * @param[in] sh
 406  *   Pointer to mlx5_dev_ctx_shared object to free
 407  *
 408  * @return
 409  *   0 on success, a negative errno value otherwise and rte_errno is set.
 410  */
 411 int
 412 mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh)
 413 {
 414         int err;
 415
 416         if (sh->aso_age_mng)
 417                 return 0;
 418         sh->aso_age_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->aso_age_mng),
 419                                       RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 420         if (!sh->aso_age_mng) {
 421                 DRV_LOG(ERR, "aso_age_mng allocation was failed.");
 422                 rte_errno = ENOMEM;
 423                 return -ENOMEM;
 424         }
 425         err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_FLOW_HIT);
 426         if (err) {
 427                 mlx5_free(sh->aso_age_mng);
 428                 return -1;
 429         }
 430         rte_spinlock_init(&sh->aso_age_mng->resize_sl);
 431         rte_spinlock_init(&sh->aso_age_mng->free_sl);
 432         LIST_INIT(&sh->aso_age_mng->free);
 433         return 0;
 434 }
 435
 436 /**
 437  * Close and release all the resources of the ASO aging management structure.
 438  *
 439  * @param[in] sh
 440  *   Pointer to mlx5_dev_ctx_shared object to free.
 441  */
 442 static void
 443 mlx5_flow_aso_age_mng_close(struct mlx5_dev_ctx_shared *sh)
 444 {
 445         int i, j;
 446
 447         mlx5_aso_flow_hit_queue_poll_stop(sh);
 448         mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_FLOW_HIT);
 449         if (sh->aso_age_mng->pools) {
 450                 struct mlx5_aso_age_pool *pool;
 451
 452                 for (i = 0; i < sh->aso_age_mng->next; ++i) {
 453                         pool = sh->aso_age_mng->pools[i];
 454                         claim_zero(mlx5_devx_cmd_destroy
 455                                                 (pool->flow_hit_aso_obj));
 456                         for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j)
 457                                 if (pool->actions[j].dr_action)
 458                                         claim_zero
 459                                             (mlx5_flow_os_destroy_flow_action
 460                                               (pool->actions[j].dr_action));
 461                         mlx5_free(pool);
 462                 }
 463                 mlx5_free(sh->aso_age_mng->pools);
 464         }
 465         mlx5_free(sh->aso_age_mng);
 466 }
 467
 468 /**
 469  * Initialize the shared aging list information per port.
 470  *
 471  * @param[in] sh
 472  *   Pointer to mlx5_dev_ctx_shared object.
 473  */
 474 static void
 475 mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh)
 476 {
 477         uint32_t i;
 478         struct mlx5_age_info *age_info;
 479
 480         for (i = 0; i < sh->max_port; i++) {
 481                 age_info = &sh->port[i].age_info;
 482                 age_info->flags = 0;
 483                 TAILQ_INIT(&age_info->aged_counters);
 484                 LIST_INIT(&age_info->aged_aso);
 485                 rte_spinlock_init(&age_info->aged_sl);
 486                 MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
 487         }
 488 }
 489
 490 /**
 491  * Initialize the counters management structure.
 492  *
 493  * @param[in] sh
 494  *   Pointer to mlx5_dev_ctx_shared object to free
 495  */
 496 static void
 497 mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh)
 498 {
 499         int i;
 500
 501         memset(&sh->cmng, 0, sizeof(sh->cmng));
 502         TAILQ_INIT(&sh->cmng.flow_counters);
 503         sh->cmng.min_id = MLX5_CNT_BATCH_OFFSET;
 504         sh->cmng.max_id = -1;
 505         sh->cmng.last_pool_idx = POOL_IDX_INVALID;
 506         rte_spinlock_init(&sh->cmng.pool_update_sl);
 507         for (i = 0; i < MLX5_COUNTER_TYPE_MAX; i++) {
 508                 TAILQ_INIT(&sh->cmng.counters[i]);
 509                 rte_spinlock_init(&sh->cmng.csl[i]);
 510         }
 511 }
 512
 513 /**
 514  * Destroy all the resources allocated for a counter memory management.
 515  *
 516  * @param[in] mng
 517  *   Pointer to the memory management structure.
 518  */
 519 static void
 520 mlx5_flow_destroy_counter_stat_mem_mng(struct mlx5_counter_stats_mem_mng *mng)
 521 {
 522         uint8_t *mem = (uint8_t *)(uintptr_t)mng->raws[0].data;
 523
 524         LIST_REMOVE(mng, next);
 525         claim_zero(mlx5_devx_cmd_destroy(mng->dm));
 526         claim_zero(mlx5_os_umem_dereg(mng->umem));
 527         mlx5_free(mem);
 528 }
 529
 530 /**
 531  * Close and release all the resources of the counters management.
 532  *
 533  * @param[in] sh
 534  *   Pointer to mlx5_dev_ctx_shared object to free.
 535  */
 536 static void
 537 mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh)
 538 {
 539         struct mlx5_counter_stats_mem_mng *mng;
 540         int i, j;
 541         int retries = 1024;
 542
 543         rte_errno = 0;
 544         while (--retries) {
 545                 rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh);
 546                 if (rte_errno != EINPROGRESS)
 547                         break;
 548                 rte_pause();
 549         }
 550
 551         if (sh->cmng.pools) {
 552                 struct mlx5_flow_counter_pool *pool;
 553                 uint16_t n_valid = sh->cmng.n_valid;
 554                 bool fallback = sh->cmng.counter_fallback;
 555
 556                 for (i = 0; i < n_valid; ++i) {
 557                         pool = sh->cmng.pools[i];
 558                         if (!fallback && pool->min_dcs)
 559                                 claim_zero(mlx5_devx_cmd_destroy
 560                                                                (pool->min_dcs));
 561                         for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) {
 562                                 struct mlx5_flow_counter *cnt =
 563                                                 MLX5_POOL_GET_CNT(pool, j);
 564
 565                                 if (cnt->action)
 566                                         claim_zero
 567                                          (mlx5_flow_os_destroy_flow_action
 568                                           (cnt->action));
 569                                 if (fallback && MLX5_POOL_GET_CNT
 570                                     (pool, j)->dcs_when_free)
 571                                         claim_zero(mlx5_devx_cmd_destroy
 572                                                    (cnt->dcs_when_free));
 573                         }
 574                         mlx5_free(pool);
 575                 }
 576                 mlx5_free(sh->cmng.pools);
 577         }
 578         mng = LIST_FIRST(&sh->cmng.mem_mngs);
 579         while (mng) {
 580                 mlx5_flow_destroy_counter_stat_mem_mng(mng);
 581                 mng = LIST_FIRST(&sh->cmng.mem_mngs);
 582         }
 583         memset(&sh->cmng, 0, sizeof(sh->cmng));
 584 }
 585
 586 /**
 587  * Initialize the aso flow meters management structure.
 588  *
 589  * @param[in] sh
 590  *   Pointer to mlx5_dev_ctx_shared object to free
 591  */
 592 int
 593 mlx5_aso_flow_mtrs_mng_init(struct mlx5_dev_ctx_shared *sh)
 594 {
 595         if (!sh->mtrmng) {
 596                 sh->mtrmng = mlx5_malloc(MLX5_MEM_ZERO,
 597                         sizeof(*sh->mtrmng),
 598                         RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 599                 if (!sh->mtrmng) {
 600                         DRV_LOG(ERR,
 601                         "meter management allocation was failed.");
 602                         rte_errno = ENOMEM;
 603                         return -ENOMEM;
 604                 }
 605                 if (sh->meter_aso_en) {
 606                         rte_spinlock_init(&sh->mtrmng->pools_mng.mtrsl);
 607                         LIST_INIT(&sh->mtrmng->pools_mng.meters);
 608                 }
 609                 sh->mtrmng->def_policy_id = MLX5_INVALID_POLICY_ID;
 610         }
 611         return 0;
 612 }
 613
 614 /**
 615  * Close and release all the resources of
 616  * the ASO flow meter management structure.
 617  *
 618  * @param[in] sh
 619  *   Pointer to mlx5_dev_ctx_shared object to free.
 620  */
 621 static void
 622 mlx5_aso_flow_mtrs_mng_close(struct mlx5_dev_ctx_shared *sh)
 623 {
 624         struct mlx5_aso_mtr_pool *mtr_pool;
 625         struct mlx5_flow_mtr_mng *mtrmng = sh->mtrmng;
 626         uint32_t idx;
 627 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
 628         struct mlx5_aso_mtr *aso_mtr;
 629         int i;
 630 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
 631
 632         if (sh->meter_aso_en) {
 633                 mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_POLICER);
 634                 idx = mtrmng->pools_mng.n_valid;
 635                 while (idx--) {
 636                         mtr_pool = mtrmng->pools_mng.pools[idx];
 637 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
 638                         for (i = 0; i < MLX5_ASO_MTRS_PER_POOL; i++) {
 639                                 aso_mtr = &mtr_pool->mtrs[i];
 640                                 if (aso_mtr->fm.meter_action)
 641                                         claim_zero
 642                                         (mlx5_glue->destroy_flow_action
 643                                         (aso_mtr->fm.meter_action));
 644                         }
 645 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
 646                         claim_zero(mlx5_devx_cmd_destroy
 647                                                 (mtr_pool->devx_obj));
 648                         mtrmng->pools_mng.n_valid--;
 649                         mlx5_free(mtr_pool);
 650                 }
 651                 mlx5_free(sh->mtrmng->pools_mng.pools);
 652         }
 653         mlx5_free(sh->mtrmng);
 654         sh->mtrmng = NULL;
 655 }
 656
 657 /* Send FLOW_AGED event if needed. */
 658 void
 659 mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh)
 660 {
 661         struct mlx5_age_info *age_info;
 662         uint32_t i;
 663
 664         for (i = 0; i < sh->max_port; i++) {
 665                 age_info = &sh->port[i].age_info;
 666                 if (!MLX5_AGE_GET(age_info, MLX5_AGE_EVENT_NEW))
 667                         continue;
 668                 MLX5_AGE_UNSET(age_info, MLX5_AGE_EVENT_NEW);
 669                 if (MLX5_AGE_GET(age_info, MLX5_AGE_TRIGGER)) {
 670                         MLX5_AGE_UNSET(age_info, MLX5_AGE_TRIGGER);
 671                         rte_eth_dev_callback_process
 672                                 (&rte_eth_devices[sh->port[i].devx_ih_port_id],
 673                                 RTE_ETH_EVENT_FLOW_AGED, NULL);
 674                 }
 675         }
 676 }
 677
 678 /*
 679  * Initialize the ASO connection tracking structure.
 680  *
 681  * @param[in] sh
 682  *   Pointer to mlx5_dev_ctx_shared object.
 683  *
 684  * @return
 685  *   0 on success, a negative errno value otherwise and rte_errno is set.
 686  */
 687 int
 688 mlx5_flow_aso_ct_mng_init(struct mlx5_dev_ctx_shared *sh)
 689 {
 690         int err;
 691
 692         if (sh->ct_mng)
 693                 return 0;
 694         sh->ct_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->ct_mng),
 695                                  RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
 696         if (!sh->ct_mng) {
 697                 DRV_LOG(ERR, "ASO CT management allocation failed.");
 698                 rte_errno = ENOMEM;
 699                 return -rte_errno;
 700         }
 701         err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
 702         if (err) {
 703                 mlx5_free(sh->ct_mng);
 704                 /* rte_errno should be extracted from the failure. */
 705                 rte_errno = EINVAL;
 706                 return -rte_errno;
 707         }
 708         rte_spinlock_init(&sh->ct_mng->ct_sl);
 709         rte_rwlock_init(&sh->ct_mng->resize_rwl);
 710         LIST_INIT(&sh->ct_mng->free_cts);
 711         return 0;
 712 }
 713
 714 /*
 715  * Close and release all the resources of the
 716  * ASO connection tracking management structure.
 717  *
 718  * @param[in] sh
 719  *   Pointer to mlx5_dev_ctx_shared object to free.
 720  */
 721 static void
 722 mlx5_flow_aso_ct_mng_close(struct mlx5_dev_ctx_shared *sh)
 723 {
 724         struct mlx5_aso_ct_pools_mng *mng = sh->ct_mng;
 725         struct mlx5_aso_ct_pool *ct_pool;
 726         struct mlx5_aso_ct_action *ct;
 727         uint32_t idx;
 728         uint32_t val;
 729         uint32_t cnt;
 730         int i;
 731
 732         mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
 733         idx = mng->next;
 734         while (idx--) {
 735                 cnt = 0;
 736                 ct_pool = mng->pools[idx];
 737                 for (i = 0; i < MLX5_ASO_CT_ACTIONS_PER_POOL; i++) {
 738                         ct = &ct_pool->actions[i];
 739                         val = __atomic_fetch_sub(&ct->refcnt, 1,
 740                                                  __ATOMIC_RELAXED);
 741                         MLX5_ASSERT(val == 1);
 742                         if (val > 1)
 743                                 cnt++;
 744 #ifdef HAVE_MLX5_DR_ACTION_ASO_CT
 745                         if (ct->dr_action_orig)
 746                                 claim_zero(mlx5_glue->destroy_flow_action
 747                                                         (ct->dr_action_orig));
 748                         if (ct->dr_action_rply)
 749                                 claim_zero(mlx5_glue->destroy_flow_action
 750                                                         (ct->dr_action_rply));
 751 #endif
 752                 }
 753                 claim_zero(mlx5_devx_cmd_destroy(ct_pool->devx_obj));
 754                 if (cnt) {
 755                         DRV_LOG(DEBUG, "%u ASO CT objects are being used in the pool %u",
 756                                 cnt, i);
 757                 }
 758                 mlx5_free(ct_pool);
 759                 /* in case of failure. */
 760                 mng->next--;
 761         }
 762         mlx5_free(mng->pools);
 763         mlx5_free(mng);
 764         /* Management structure must be cleared to 0s during allocation. */
 765         sh->ct_mng = NULL;
 766 }
 767
 768 /**
 769  * Initialize the flow resources' indexed mempool.
 770  *
 771  * @param[in] sh
 772  *   Pointer to mlx5_dev_ctx_shared object.
 773  * @param[in] config
 774  *   Pointer to user dev config.
 775  */
 776 static void
 777 mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh,
 778                        const struct mlx5_dev_config *config)
 779 {
 780         uint8_t i;
 781         struct mlx5_indexed_pool_config cfg;
 782
 783         for (i = 0; i < MLX5_IPOOL_MAX; ++i) {
 784                 cfg = mlx5_ipool_cfg[i];
 785                 switch (i) {
 786                 default:
 787                         break;
 788                 /*
 789                  * Set MLX5_IPOOL_MLX5_FLOW ipool size
 790                  * according to PCI function flow configuration.
 791                  */
 792                 case MLX5_IPOOL_MLX5_FLOW:
 793                         cfg.size = config->dv_flow_en ?
 794                                 sizeof(struct mlx5_flow_handle) :
 795                                 MLX5_FLOW_HANDLE_VERBS_SIZE;
 796                         break;
 797                 }
 798                 if (config->reclaim_mode) {
 799                         cfg.release_mem_en = 1;
 800                         cfg.per_core_cache = 0;
 801                 } else {
 802                         cfg.release_mem_en = 0;
 803                 }
 804                 sh->ipool[i] = mlx5_ipool_create(&cfg);
 805         }
 806 }
 807
 808
 809 /**
 810  * Release the flow resources' indexed mempool.
 811  *
 812  * @param[in] sh
 813  *   Pointer to mlx5_dev_ctx_shared object.
 814  */
 815 static void
 816 mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh)
 817 {
 818         uint8_t i;
 819
 820         for (i = 0; i < MLX5_IPOOL_MAX; ++i)
 821                 mlx5_ipool_destroy(sh->ipool[i]);
 822         for (i = 0; i < MLX5_MAX_MODIFY_NUM; ++i)
 823                 if (sh->mdh_ipools[i])
 824                         mlx5_ipool_destroy(sh->mdh_ipools[i]);
 825 }
 826
 827 /*
 828  * Check if dynamic flex parser for eCPRI already exists.
 829  *
 830  * @param dev
 831  *   Pointer to Ethernet device structure.
 832  *
 833  * @return
 834  *   true on exists, false on not.
 835  */
 836 bool
 837 mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev)
 838 {
 839         struct mlx5_priv *priv = dev->data->dev_private;
 840         struct mlx5_flex_parser_profiles *prf =
 841                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 842
 843         return !!prf->obj;
 844 }
 845
 846 /*
 847  * Allocation of a flex parser for eCPRI. Once created, this parser related
 848  * resources will be held until the device is closed.
 849  *
 850  * @param dev
 851  *   Pointer to Ethernet device structure.
 852  *
 853  * @return
 854  *   0 on success, a negative errno value otherwise and rte_errno is set.
 855  */
 856 int
 857 mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev)
 858 {
 859         struct mlx5_priv *priv = dev->data->dev_private;
 860         struct mlx5_flex_parser_profiles *prf =
 861                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 862         struct mlx5_devx_graph_node_attr node = {
 863                 .modify_field_select = 0,
 864         };
 865         uint32_t ids[8];
 866         int ret;
 867
 868         if (!priv->config.hca_attr.parse_graph_flex_node) {
 869                 DRV_LOG(ERR, "Dynamic flex parser is not supported "
 870                         "for device %s.", priv->dev_data->name);
 871                 return -ENOTSUP;
 872         }
 873         node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED;
 874         /* 8 bytes now: 4B common header + 4B message body header. */
 875         node.header_length_base_value = 0x8;
 876         /* After MAC layer: Ether / VLAN. */
 877         node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC;
 878         /* Type of compared condition should be 0xAEFE in the L2 layer. */
 879         node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI;
 880         /* Sample #0: type in common header. */
 881         node.sample[0].flow_match_sample_en = 1;
 882         /* Fixed offset. */
 883         node.sample[0].flow_match_sample_offset_mode = 0x0;
 884         /* Only the 2nd byte will be used. */
 885         node.sample[0].flow_match_sample_field_base_offset = 0x0;
 886         /* Sample #1: message payload. */
 887         node.sample[1].flow_match_sample_en = 1;
 888         /* Fixed offset. */
 889         node.sample[1].flow_match_sample_offset_mode = 0x0;
 890         /*
 891          * Only the first two bytes will be used right now, and its offset will
 892          * start after the common header that with the length of a DW(u32).
 893          */
 894         node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t);
 895         prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->ctx, &node);
 896         if (!prf->obj) {
 897                 DRV_LOG(ERR, "Failed to create flex parser node object.");
 898                 return (rte_errno == 0) ? -ENODEV : -rte_errno;
 899         }
 900         prf->num = 2;
 901         ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num);
 902         if (ret) {
 903                 DRV_LOG(ERR, "Failed to query sample IDs.");
 904                 return (rte_errno == 0) ? -ENODEV : -rte_errno;
 905         }
 906         prf->offset[0] = 0x0;
 907         prf->offset[1] = sizeof(uint32_t);
 908         prf->ids[0] = ids[0];
 909         prf->ids[1] = ids[1];
 910         return 0;
 911 }
 912
 913 /*
 914  * Destroy the flex parser node, including the parser itself, input / output
 915  * arcs and DW samples. Resources could be reused then.
 916  *
 917  * @param dev
 918  *   Pointer to Ethernet device structure.
 919  */
 920 static void
 921 mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
 922 {
 923         struct mlx5_priv *priv = dev->data->dev_private;
 924         struct mlx5_flex_parser_profiles *prf =
 925                                 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
 926
 927         if (prf->obj)
 928                 mlx5_devx_cmd_destroy(prf->obj);
 929         prf->obj = NULL;
 930 }
 931
 932 /*
 933  * Allocate Rx and Tx UARs in robust fashion.
 934  * This routine handles the following UAR allocation issues:
 935  *
 936  *  - tries to allocate the UAR with the most appropriate memory
 937  *    mapping type from the ones supported by the host
 938  *
 939  *  - tries to allocate the UAR with non-NULL base address
 940  *    OFED 5.0.x and Upstream rdma_core before v29 returned the NULL as
 941  *    UAR base address if UAR was not the first object in the UAR page.
 942  *    It caused the PMD failure and we should try to get another UAR
 943  *    till we get the first one with non-NULL base address returned.
 944  */
 945 static int
 946 mlx5_alloc_rxtx_uars(struct mlx5_dev_ctx_shared *sh,
 947                      const struct mlx5_dev_config *config)
 948 {
 949         uint32_t uar_mapping, retry;
 950         int err = 0;
 951         void *base_addr;
 952
 953         for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
 954 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
 955                 /* Control the mapping type according to the settings. */
 956                 uar_mapping = (config->dbnc == MLX5_TXDB_NCACHED) ?
 957                               MLX5DV_UAR_ALLOC_TYPE_NC :
 958                               MLX5DV_UAR_ALLOC_TYPE_BF;
 959 #else
 960                 RTE_SET_USED(config);
 961                 /*
 962                  * It seems we have no way to control the memory mapping type
 963                  * for the UAR, the default "Write-Combining" type is supposed.
 964                  * The UAR initialization on queue creation queries the
 965                  * actual mapping type done by Verbs/kernel and setups the
 966                  * PMD datapath accordingly.
 967                  */
 968                 uar_mapping = 0;
 969 #endif
 970                 sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, uar_mapping);
 971 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
 972                 if (!sh->tx_uar &&
 973                     uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
 974                         if (config->dbnc == MLX5_TXDB_CACHED ||
 975                             config->dbnc == MLX5_TXDB_HEURISTIC)
 976                                 DRV_LOG(WARNING, "Devarg tx_db_nc setting "
 977                                                  "is not supported by DevX");
 978                         /*
 979                          * In some environments like virtual machine
 980                          * the Write Combining mapped might be not supported
 981                          * and UAR allocation fails. We try "Non-Cached"
 982                          * mapping for the case. The tx_burst routines take
 983                          * the UAR mapping type into account on UAR setup
 984                          * on queue creation.
 985                          */
 986                         DRV_LOG(DEBUG, "Failed to allocate Tx DevX UAR (BF)");
 987                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
 988                         sh->tx_uar = mlx5_glue->devx_alloc_uar
 989                                                         (sh->ctx, uar_mapping);
 990                 } else if (!sh->tx_uar &&
 991                            uar_mapping == MLX5DV_UAR_ALLOC_TYPE_NC) {
 992                         if (config->dbnc == MLX5_TXDB_NCACHED)
 993                                 DRV_LOG(WARNING, "Devarg tx_db_nc settings "
 994                                                  "is not supported by DevX");
 995                         /*
 996                          * If Verbs/kernel does not support "Non-Cached"
 997                          * try the "Write-Combining".
 998                          */
 999                         DRV_LOG(DEBUG, "Failed to allocate Tx DevX UAR (NC)");
1000                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_BF;
1001                         sh->tx_uar = mlx5_glue->devx_alloc_uar
1002                                                         (sh->ctx, uar_mapping);
1003                 }
1004 #endif
1005                 if (!sh->tx_uar) {
1006                         DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (BF/NC)");
1007                         err = ENOMEM;
1008                         goto exit;
1009                 }
1010                 base_addr = mlx5_os_get_devx_uar_base_addr(sh->tx_uar);
1011                 if (base_addr)
1012                         break;
1013                 /*
1014                  * The UARs are allocated by rdma_core within the
1015                  * IB device context, on context closure all UARs
1016                  * will be freed, should be no memory/object leakage.
1017                  */
1018                 DRV_LOG(DEBUG, "Retrying to allocate Tx DevX UAR");
1019                 sh->tx_uar = NULL;
1020         }
1021         /* Check whether we finally succeeded with valid UAR allocation. */
1022         if (!sh->tx_uar) {
1023                 DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (NULL base)");
1024                 err = ENOMEM;
1025                 goto exit;
1026         }
1027         for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
1028                 uar_mapping = 0;
1029                 sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
1030                                                         (sh->ctx, uar_mapping);
1031 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
1032                 if (!sh->devx_rx_uar &&
1033                     uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
1034                         /*
1035                          * Rx UAR is used to control interrupts only,
1036                          * should be no datapath noticeable impact,
1037                          * can try "Non-Cached" mapping safely.
1038                          */
1039                         DRV_LOG(DEBUG, "Failed to allocate Rx DevX UAR (BF)");
1040                         uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
1041                         sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
1042                                                         (sh->ctx, uar_mapping);
1043                 }
1044 #endif
1045                 if (!sh->devx_rx_uar) {
1046                         DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (BF/NC)");
1047                         err = ENOMEM;
1048                         goto exit;
1049                 }
1050                 base_addr = mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar);
1051                 if (base_addr)
1052                         break;
1053                 /*
1054                  * The UARs are allocated by rdma_core within the
1055                  * IB device context, on context closure all UARs
1056                  * will be freed, should be no memory/object leakage.
1057                  */
1058                 DRV_LOG(DEBUG, "Retrying to allocate Rx DevX UAR");
1059                 sh->devx_rx_uar = NULL;
1060         }
1061         /* Check whether we finally succeeded with valid UAR allocation. */
1062         if (!sh->devx_rx_uar) {
1063                 DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (NULL base)");
1064                 err = ENOMEM;
1065         }
1066 exit:
1067         return err;
1068 }
1069
1070 /**
1071  * Allocate shared device context. If there is multiport device the
1072  * master and representors will share this context, if there is single
1073  * port dedicated device, the context will be used by only given
1074  * port due to unification.
1075  *
1076  * Routine first searches the context for the specified device name,
1077  * if found the shared context assumed and reference counter is incremented.
1078  * If no context found the new one is created and initialized with specified
1079  * device context and parameters.
1080  *
1081  * @param[in] spawn
1082  *   Pointer to the device attributes (name, port, etc).
1083  * @param[in] config
1084  *   Pointer to device configuration structure.
1085  *
1086  * @return
1087  *   Pointer to mlx5_dev_ctx_shared object on success,
1088  *   otherwise NULL and rte_errno is set.
1089  */
1090 struct mlx5_dev_ctx_shared *
1091 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
1092                            const struct mlx5_dev_config *config)
1093 {
1094         struct mlx5_dev_ctx_shared *sh;
1095         int err = 0;
1096         uint32_t i;
1097         struct mlx5_devx_tis_attr tis_attr = { 0 };
1098
1099         MLX5_ASSERT(spawn);
1100         /* Secondary process should not create the shared context. */
1101         MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1102         pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1103         /* Search for IB context by device name. */
1104         LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) {
1105                 if (!strcmp(sh->ibdev_name,
1106                         mlx5_os_get_dev_device_name(spawn->phys_dev))) {
1107                         sh->refcnt++;
1108                         goto exit;
1109                 }
1110         }
1111         /* No device found, we have to create new shared context. */
1112         MLX5_ASSERT(spawn->max_port);
1113         sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
1114                          sizeof(struct mlx5_dev_ctx_shared) +
1115                          spawn->max_port *
1116                          sizeof(struct mlx5_dev_shared_port),
1117                          RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1118         if (!sh) {
1119                 DRV_LOG(ERR, "shared context allocation failure");
1120                 rte_errno  = ENOMEM;
1121                 goto exit;
1122         }
1123         sh->numa_node = spawn->numa_node;
1124         if (spawn->bond_info)
1125                 sh->bond = *spawn->bond_info;
1126         err = mlx5_os_open_device(spawn, config, sh);
1127         if (!sh->ctx)
1128                 goto error;
1129         err = mlx5_os_get_dev_attr(sh->ctx, &sh->device_attr);
1130         if (err) {
1131                 DRV_LOG(DEBUG, "mlx5_os_get_dev_attr() failed");
1132                 goto error;
1133         }
1134         sh->refcnt = 1;
1135         sh->max_port = spawn->max_port;
1136         sh->reclaim_mode = config->reclaim_mode;
1137         strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->ctx),
1138                 sizeof(sh->ibdev_name) - 1);
1139         strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->ctx),
1140                 sizeof(sh->ibdev_path) - 1);
1141         /*
1142          * Setting port_id to max unallowed value means
1143          * there is no interrupt subhandler installed for
1144          * the given port index i.
1145          */
1146         for (i = 0; i < sh->max_port; i++) {
1147                 sh->port[i].ih_port_id = RTE_MAX_ETHPORTS;
1148                 sh->port[i].devx_ih_port_id = RTE_MAX_ETHPORTS;
1149         }
1150         sh->pd = mlx5_os_alloc_pd(sh->ctx);
1151         if (sh->pd == NULL) {
1152                 DRV_LOG(ERR, "PD allocation failure");
1153                 err = ENOMEM;
1154                 goto error;
1155         }
1156         if (sh->devx) {
1157                 err = mlx5_os_get_pdn(sh->pd, &sh->pdn);
1158                 if (err) {
1159                         DRV_LOG(ERR, "Fail to extract pdn from PD");
1160                         goto error;
1161                 }
1162                 sh->td = mlx5_devx_cmd_create_td(sh->ctx);
1163                 if (!sh->td) {
1164                         DRV_LOG(ERR, "TD allocation failure");
1165                         err = ENOMEM;
1166                         goto error;
1167                 }
1168                 tis_attr.transport_domain = sh->td->id;
1169                 sh->tis = mlx5_devx_cmd_create_tis(sh->ctx, &tis_attr);
1170                 if (!sh->tis) {
1171                         DRV_LOG(ERR, "TIS allocation failure");
1172                         err = ENOMEM;
1173                         goto error;
1174                 }
1175                 err = mlx5_alloc_rxtx_uars(sh, config);
1176                 if (err)
1177                         goto error;
1178                 MLX5_ASSERT(sh->tx_uar);
1179                 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->tx_uar));
1180
1181                 MLX5_ASSERT(sh->devx_rx_uar);
1182                 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar));
1183         }
1184 #ifndef RTE_ARCH_64
1185         /* Initialize UAR access locks for 32bit implementations. */
1186         rte_spinlock_init(&sh->uar_lock_cq);
1187         for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
1188                 rte_spinlock_init(&sh->uar_lock[i]);
1189 #endif
1190         /*
1191          * Once the device is added to the list of memory event
1192          * callback, its global MR cache table cannot be expanded
1193          * on the fly because of deadlock. If it overflows, lookup
1194          * should be done by searching MR list linearly, which is slow.
1195          *
1196          * At this point the device is not added to the memory
1197          * event list yet, context is just being created.
1198          */
1199         err = mlx5_mr_btree_init(&sh->share_cache.cache,
1200                                  MLX5_MR_BTREE_CACHE_N * 2,
1201                                  sh->numa_node);
1202         if (err) {
1203                 err = rte_errno;
1204                 goto error;
1205         }
1206         mlx5_os_set_reg_mr_cb(&sh->share_cache.reg_mr_cb,
1207                               &sh->share_cache.dereg_mr_cb);
1208         mlx5_os_dev_shared_handler_install(sh);
1209         sh->cnt_id_tbl = mlx5_l3t_create(MLX5_L3T_TYPE_DWORD);
1210         if (!sh->cnt_id_tbl) {
1211                 err = rte_errno;
1212                 goto error;
1213         }
1214         if (LIST_EMPTY(&mlx5_dev_ctx_list)) {
1215                 err = mlx5_flow_os_init_workspace_once();
1216                 if (err)
1217                         goto error;
1218         }
1219         mlx5_flow_aging_init(sh);
1220         mlx5_flow_counters_mng_init(sh);
1221         mlx5_flow_ipool_create(sh, config);
1222         /* Add device to memory callback list. */
1223         rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1224         LIST_INSERT_HEAD(&mlx5_shared_data->mem_event_cb_list,
1225                          sh, mem_event_cb);
1226         rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1227         /* Add context to the global device list. */
1228         LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next);
1229         rte_spinlock_init(&sh->geneve_tlv_opt_sl);
1230 exit:
1231         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1232         return sh;
1233 error:
1234         pthread_mutex_destroy(&sh->txpp.mutex);
1235         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1236         MLX5_ASSERT(sh);
1237         if (sh->cnt_id_tbl)
1238                 mlx5_l3t_destroy(sh->cnt_id_tbl);
1239         if (sh->tis)
1240                 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1241         if (sh->td)
1242                 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1243         if (sh->devx_rx_uar)
1244                 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1245         if (sh->tx_uar)
1246                 mlx5_glue->devx_free_uar(sh->tx_uar);
1247         if (sh->pd)
1248                 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1249         if (sh->ctx)
1250                 claim_zero(mlx5_glue->close_device(sh->ctx));
1251         mlx5_free(sh);
1252         MLX5_ASSERT(err > 0);
1253         rte_errno = err;
1254         return NULL;
1255 }
1256
1257 /**
1258  * Free shared IB device context. Decrement counter and if zero free
1259  * all allocated resources and close handles.
1260  *
1261  * @param[in] sh
1262  *   Pointer to mlx5_dev_ctx_shared object to free
1263  */
1264 void
1265 mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh)
1266 {
1267         pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1268 #ifdef RTE_LIBRTE_MLX5_DEBUG
1269         /* Check the object presence in the list. */
1270         struct mlx5_dev_ctx_shared *lctx;
1271
1272         LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next)
1273                 if (lctx == sh)
1274                         break;
1275         MLX5_ASSERT(lctx);
1276         if (lctx != sh) {
1277                 DRV_LOG(ERR, "Freeing non-existing shared IB context");
1278                 goto exit;
1279         }
1280 #endif
1281         MLX5_ASSERT(sh);
1282         MLX5_ASSERT(sh->refcnt);
1283         /* Secondary process should not free the shared context. */
1284         MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1285         if (--sh->refcnt)
1286                 goto exit;
1287         /* Remove from memory callback device list. */
1288         rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1289         LIST_REMOVE(sh, mem_event_cb);
1290         rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1291         /* Release created Memory Regions. */
1292         mlx5_mr_release_cache(&sh->share_cache);
1293         /* Remove context from the global device list. */
1294         LIST_REMOVE(sh, next);
1295         /* Release flow workspaces objects on the last device. */
1296         if (LIST_EMPTY(&mlx5_dev_ctx_list))
1297                 mlx5_flow_os_release_workspace();
1298         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1299         /*
1300          *  Ensure there is no async event handler installed.
1301          *  Only primary process handles async device events.
1302          **/
1303         mlx5_flow_counters_mng_close(sh);
1304         if (sh->aso_age_mng) {
1305                 mlx5_flow_aso_age_mng_close(sh);
1306                 sh->aso_age_mng = NULL;
1307         }
1308         if (sh->mtrmng)
1309                 mlx5_aso_flow_mtrs_mng_close(sh);
1310         mlx5_flow_ipool_destroy(sh);
1311         mlx5_os_dev_shared_handler_uninstall(sh);
1312         if (sh->cnt_id_tbl) {
1313                 mlx5_l3t_destroy(sh->cnt_id_tbl);
1314                 sh->cnt_id_tbl = NULL;
1315         }
1316         if (sh->tx_uar) {
1317                 mlx5_glue->devx_free_uar(sh->tx_uar);
1318                 sh->tx_uar = NULL;
1319         }
1320         if (sh->pd)
1321                 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1322         if (sh->tis)
1323                 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1324         if (sh->td)
1325                 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1326         if (sh->devx_rx_uar)
1327                 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1328         if (sh->ctx)
1329                 claim_zero(mlx5_glue->close_device(sh->ctx));
1330         MLX5_ASSERT(sh->geneve_tlv_option_resource == NULL);
1331         pthread_mutex_destroy(&sh->txpp.mutex);
1332         mlx5_free(sh);
1333         return;
1334 exit:
1335         pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1336 }
1337
1338 /**
1339  * Destroy table hash list.
1340  *
1341  * @param[in] priv
1342  *   Pointer to the private device data structure.
1343  */
1344 void
1345 mlx5_free_table_hash_list(struct mlx5_priv *priv)
1346 {
1347         struct mlx5_dev_ctx_shared *sh = priv->sh;
1348
1349         if (!sh->flow_tbls)
1350                 return;
1351         mlx5_hlist_destroy(sh->flow_tbls);
1352 }
1353
1354 /**
1355  * Initialize flow table hash list and create the root tables entry
1356  * for each domain.
1357  *
1358  * @param[in] priv
1359  *   Pointer to the private device data structure.
1360  *
1361  * @return
1362  *   Zero on success, positive error code otherwise.
1363  */
1364 int
1365 mlx5_alloc_table_hash_list(struct mlx5_priv *priv __rte_unused)
1366 {
1367         int err = 0;
1368         /* Tables are only used in DV and DR modes. */
1369 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
1370         struct mlx5_dev_ctx_shared *sh = priv->sh;
1371         char s[MLX5_NAME_SIZE];
1372
1373         MLX5_ASSERT(sh);
1374         snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
1375         sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE,
1376                                           false, true, sh,
1377                                           flow_dv_tbl_create_cb,
1378                                           flow_dv_tbl_match_cb,
1379                                           flow_dv_tbl_remove_cb,
1380                                           flow_dv_tbl_clone_cb,
1381                                           flow_dv_tbl_clone_free_cb);
1382         if (!sh->flow_tbls) {
1383                 DRV_LOG(ERR, "flow tables with hash creation failed.");
1384                 err = ENOMEM;
1385                 return err;
1386         }
1387 #ifndef HAVE_MLX5DV_DR
1388         struct rte_flow_error error;
1389         struct rte_eth_dev *dev = &rte_eth_devices[priv->dev_data->port_id];
1390
1391         /*
1392          * In case we have not DR support, the zero tables should be created
1393          * because DV expect to see them even if they cannot be created by
1394          * RDMA-CORE.
1395          */
1396         if (!flow_dv_tbl_resource_get(dev, 0, 0, 0, 0,
1397                 NULL, 0, 1, 0, &error) ||
1398             !flow_dv_tbl_resource_get(dev, 0, 1, 0, 0,
1399                 NULL, 0, 1, 0, &error) ||
1400             !flow_dv_tbl_resource_get(dev, 0, 0, 1, 0,
1401                 NULL, 0, 1, 0, &error)) {
1402                 err = ENOMEM;
1403                 goto error;
1404         }
1405         return err;
1406 error:
1407         mlx5_free_table_hash_list(priv);
1408 #endif /* HAVE_MLX5DV_DR */
1409 #endif
1410         return err;
1411 }
1412
1413 /**
1414  * Retrieve integer value from environment variable.
1415  *
1416  * @param[in] name
1417  *   Environment variable name.
1418  *
1419  * @return
1420  *   Integer value, 0 if the variable is not set.
1421  */
1422 int
1423 mlx5_getenv_int(const char *name)
1424 {
1425         const char *val = getenv(name);
1426
1427         if (val == NULL)
1428                 return 0;
1429         return atoi(val);
1430 }
1431
1432 /**
1433  * DPDK callback to add udp tunnel port
1434  *
1435  * @param[in] dev
1436  *   A pointer to eth_dev
1437  * @param[in] udp_tunnel
1438  *   A pointer to udp tunnel
1439  *
1440  * @return
1441  *   0 on valid udp ports and tunnels, -ENOTSUP otherwise.
1442  */
1443 int
1444 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
1445                          struct rte_eth_udp_tunnel *udp_tunnel)
1446 {
1447         MLX5_ASSERT(udp_tunnel != NULL);
1448         if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
1449             udp_tunnel->udp_port == 4789)
1450                 return 0;
1451         if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN_GPE &&
1452             udp_tunnel->udp_port == 4790)
1453                 return 0;
1454         return -ENOTSUP;
1455 }
1456
1457 /**
1458  * Initialize process private data structure.
1459  *
1460  * @param dev
1461  *   Pointer to Ethernet device structure.
1462  *
1463  * @return
1464  *   0 on success, a negative errno value otherwise and rte_errno is set.
1465  */
1466 int
1467 mlx5_proc_priv_init(struct rte_eth_dev *dev)
1468 {
1469         struct mlx5_priv *priv = dev->data->dev_private;
1470         struct mlx5_proc_priv *ppriv;
1471         size_t ppriv_size;
1472
1473         mlx5_proc_priv_uninit(dev);
1474         /*
1475          * UAR register table follows the process private structure. BlueFlame
1476          * registers for Tx queues are stored in the table.
1477          */
1478         ppriv_size =
1479                 sizeof(struct mlx5_proc_priv) + priv->txqs_n * sizeof(void *);
1480         ppriv = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, ppriv_size,
1481                             RTE_CACHE_LINE_SIZE, dev->device->numa_node);
1482         if (!ppriv) {
1483                 rte_errno = ENOMEM;
1484                 return -rte_errno;
1485         }
1486         ppriv->uar_table_sz = priv->txqs_n;
1487         dev->process_private = ppriv;
1488         return 0;
1489 }
1490
1491 /**
1492  * Un-initialize process private data structure.
1493  *
1494  * @param dev
1495  *   Pointer to Ethernet device structure.
1496  */
1497 void
1498 mlx5_proc_priv_uninit(struct rte_eth_dev *dev)
1499 {
1500         if (!dev->process_private)
1501                 return;
1502         mlx5_free(dev->process_private);
1503         dev->process_private = NULL;
1504 }
1505
1506 /**
1507  * DPDK callback to close the device.
1508  *
1509  * Destroy all queues and objects, free memory.
1510  *
1511  * @param dev
1512  *   Pointer to Ethernet device structure.
1513  */
1514 int
1515 mlx5_dev_close(struct rte_eth_dev *dev)
1516 {
1517         struct mlx5_priv *priv = dev->data->dev_private;
1518         unsigned int i;
1519         int ret;
1520
1521         if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
1522                 /* Check if process_private released. */
1523                 if (!dev->process_private)
1524                         return 0;
1525                 mlx5_tx_uar_uninit_secondary(dev);
1526                 mlx5_proc_priv_uninit(dev);
1527                 rte_eth_dev_release_port(dev);
1528                 return 0;
1529         }
1530         if (!priv->sh)
1531                 return 0;
1532         DRV_LOG(DEBUG, "port %u closing device \"%s\"",
1533                 dev->data->port_id,
1534                 ((priv->sh->ctx != NULL) ?
1535                 mlx5_os_get_ctx_device_name(priv->sh->ctx) : ""));
1536         /*
1537          * If default mreg copy action is removed at the stop stage,
1538          * the search will return none and nothing will be done anymore.
1539          */
1540         mlx5_flow_stop_default(dev);
1541         mlx5_traffic_disable(dev);
1542         /*
1543          * If all the flows are already flushed in the device stop stage,
1544          * then this will return directly without any action.
1545          */
1546         mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, true);
1547         mlx5_action_handle_flush(dev);
1548         mlx5_flow_meter_flush(dev, NULL);
1549         /* Prevent crashes when queues are still in use. */
1550         dev->rx_pkt_burst = removed_rx_burst;
1551         dev->tx_pkt_burst = removed_tx_burst;
1552         rte_wmb();
1553         /* Disable datapath on secondary process. */
1554         mlx5_mp_os_req_stop_rxtx(dev);
1555         /* Free the eCPRI flex parser resource. */
1556         mlx5_flex_parser_ecpri_release(dev);
1557         if (priv->rxqs != NULL) {
1558                 /* XXX race condition if mlx5_rx_burst() is still running. */
1559                 rte_delay_us_sleep(1000);
1560                 for (i = 0; (i != priv->rxqs_n); ++i)
1561                         mlx5_rxq_release(dev, i);
1562                 priv->rxqs_n = 0;
1563                 priv->rxqs = NULL;
1564         }
1565         if (priv->txqs != NULL) {
1566                 /* XXX race condition if mlx5_tx_burst() is still running. */
1567                 rte_delay_us_sleep(1000);
1568                 for (i = 0; (i != priv->txqs_n); ++i)
1569                         mlx5_txq_release(dev, i);
1570                 priv->txqs_n = 0;
1571                 priv->txqs = NULL;
1572         }
1573         mlx5_proc_priv_uninit(dev);
1574         if (priv->q_counters) {
1575                 mlx5_devx_cmd_destroy(priv->q_counters);
1576                 priv->q_counters = NULL;
1577         }
1578         if (priv->drop_queue.hrxq)
1579                 mlx5_drop_action_destroy(dev);
1580         if (priv->mreg_cp_tbl)
1581                 mlx5_hlist_destroy(priv->mreg_cp_tbl);
1582         mlx5_mprq_free_mp(dev);
1583         if (priv->sh->ct_mng)
1584                 mlx5_flow_aso_ct_mng_close(priv->sh);
1585         mlx5_os_free_shared_dr(priv);
1586         if (priv->rss_conf.rss_key != NULL)
1587                 mlx5_free(priv->rss_conf.rss_key);
1588         if (priv->reta_idx != NULL)
1589                 mlx5_free(priv->reta_idx);
1590         if (priv->config.vf)
1591                 mlx5_os_mac_addr_flush(dev);
1592         if (priv->nl_socket_route >= 0)
1593                 close(priv->nl_socket_route);
1594         if (priv->nl_socket_rdma >= 0)
1595                 close(priv->nl_socket_rdma);
1596         if (priv->vmwa_context)
1597                 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1598         ret = mlx5_hrxq_verify(dev);
1599         if (ret)
1600                 DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
1601                         dev->data->port_id);
1602         ret = mlx5_ind_table_obj_verify(dev);
1603         if (ret)
1604                 DRV_LOG(WARNING, "port %u some indirection table still remain",
1605                         dev->data->port_id);
1606         ret = mlx5_rxq_obj_verify(dev);
1607         if (ret)
1608                 DRV_LOG(WARNING, "port %u some Rx queue objects still remain",
1609                         dev->data->port_id);
1610         ret = mlx5_rxq_verify(dev);
1611         if (ret)
1612                 DRV_LOG(WARNING, "port %u some Rx queues still remain",
1613                         dev->data->port_id);
1614         ret = mlx5_txq_obj_verify(dev);
1615         if (ret)
1616                 DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain",
1617                         dev->data->port_id);
1618         ret = mlx5_txq_verify(dev);
1619         if (ret)
1620                 DRV_LOG(WARNING, "port %u some Tx queues still remain",
1621                         dev->data->port_id);
1622         ret = mlx5_flow_verify(dev);
1623         if (ret)
1624                 DRV_LOG(WARNING, "port %u some flows still remain",
1625                         dev->data->port_id);
1626         if (priv->hrxqs)
1627                 mlx5_list_destroy(priv->hrxqs);
1628         /*
1629          * Free the shared context in last turn, because the cleanup
1630          * routines above may use some shared fields, like
1631          * mlx5_os_mac_addr_flush() uses ibdev_path for retrieveing
1632          * ifindex if Netlink fails.
1633          */
1634         mlx5_free_shared_dev_ctx(priv->sh);
1635         if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
1636                 unsigned int c = 0;
1637                 uint16_t port_id;
1638
1639                 MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
1640                         struct mlx5_priv *opriv =
1641                                 rte_eth_devices[port_id].data->dev_private;
1642
1643                         if (!opriv ||
1644                             opriv->domain_id != priv->domain_id ||
1645                             &rte_eth_devices[port_id] == dev)
1646                                 continue;
1647                         ++c;
1648                         break;
1649                 }
1650                 if (!c)
1651                         claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1652         }
1653         memset(priv, 0, sizeof(*priv));
1654         priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
1655         /*
1656          * Reset mac_addrs to NULL such that it is not freed as part of
1657          * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
1658          * it is freed when dev_private is freed.
1659          */
1660         dev->data->mac_addrs = NULL;
1661         return 0;
1662 }
1663
1664 const struct eth_dev_ops mlx5_dev_ops = {
1665         .dev_configure = mlx5_dev_configure,
1666         .dev_start = mlx5_dev_start,
1667         .dev_stop = mlx5_dev_stop,
1668         .dev_set_link_down = mlx5_set_link_down,
1669         .dev_set_link_up = mlx5_set_link_up,
1670         .dev_close = mlx5_dev_close,
1671         .promiscuous_enable = mlx5_promiscuous_enable,
1672         .promiscuous_disable = mlx5_promiscuous_disable,
1673         .allmulticast_enable = mlx5_allmulticast_enable,
1674         .allmulticast_disable = mlx5_allmulticast_disable,
1675         .link_update = mlx5_link_update,
1676         .stats_get = mlx5_stats_get,
1677         .stats_reset = mlx5_stats_reset,
1678         .xstats_get = mlx5_xstats_get,
1679         .xstats_reset = mlx5_xstats_reset,
1680         .xstats_get_names = mlx5_xstats_get_names,
1681         .fw_version_get = mlx5_fw_version_get,
1682         .dev_infos_get = mlx5_dev_infos_get,
1683         .representor_info_get = mlx5_representor_info_get,
1684         .read_clock = mlx5_txpp_read_clock,
1685         .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
1686         .vlan_filter_set = mlx5_vlan_filter_set,
1687         .rx_queue_setup = mlx5_rx_queue_setup,
1688         .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
1689         .tx_queue_setup = mlx5_tx_queue_setup,
1690         .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
1691         .rx_queue_release = mlx5_rx_queue_release,
1692         .tx_queue_release = mlx5_tx_queue_release,
1693         .rx_queue_start = mlx5_rx_queue_start,
1694         .rx_queue_stop = mlx5_rx_queue_stop,
1695         .tx_queue_start = mlx5_tx_queue_start,
1696         .tx_queue_stop = mlx5_tx_queue_stop,
1697         .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
1698         .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
1699         .mac_addr_remove = mlx5_mac_addr_remove,
1700         .mac_addr_add = mlx5_mac_addr_add,
1701         .mac_addr_set = mlx5_mac_addr_set,
1702         .set_mc_addr_list = mlx5_set_mc_addr_list,
1703         .mtu_set = mlx5_dev_set_mtu,
1704         .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
1705         .vlan_offload_set = mlx5_vlan_offload_set,
1706         .reta_update = mlx5_dev_rss_reta_update,
1707         .reta_query = mlx5_dev_rss_reta_query,
1708         .rss_hash_update = mlx5_rss_hash_update,
1709         .rss_hash_conf_get = mlx5_rss_hash_conf_get,
1710         .flow_ops_get = mlx5_flow_ops_get,
1711         .rxq_info_get = mlx5_rxq_info_get,
1712         .txq_info_get = mlx5_txq_info_get,
1713         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1714         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1715         .rx_queue_intr_enable = mlx5_rx_intr_enable,
1716         .rx_queue_intr_disable = mlx5_rx_intr_disable,
1717         .is_removed = mlx5_is_removed,
1718         .udp_tunnel_port_add  = mlx5_udp_tunnel_port_add,
1719         .get_module_info = mlx5_get_module_info,
1720         .get_module_eeprom = mlx5_get_module_eeprom,
1721         .hairpin_cap_get = mlx5_hairpin_cap_get,
1722         .mtr_ops_get = mlx5_flow_meter_ops_get,
1723         .hairpin_bind = mlx5_hairpin_bind,
1724         .hairpin_unbind = mlx5_hairpin_unbind,
1725         .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
1726         .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
1727         .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
1728         .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
1729         .get_monitor_addr = mlx5_get_monitor_addr,
1730 };
1731
1732 /* Available operations from secondary process. */
1733 const struct eth_dev_ops mlx5_dev_sec_ops = {
1734         .stats_get = mlx5_stats_get,
1735         .stats_reset = mlx5_stats_reset,
1736         .xstats_get = mlx5_xstats_get,
1737         .xstats_reset = mlx5_xstats_reset,
1738         .xstats_get_names = mlx5_xstats_get_names,
1739         .fw_version_get = mlx5_fw_version_get,
1740         .dev_infos_get = mlx5_dev_infos_get,
1741         .read_clock = mlx5_txpp_read_clock,
1742         .rx_queue_start = mlx5_rx_queue_start,
1743         .rx_queue_stop = mlx5_rx_queue_stop,
1744         .tx_queue_start = mlx5_tx_queue_start,
1745         .tx_queue_stop = mlx5_tx_queue_stop,
1746         .rxq_info_get = mlx5_rxq_info_get,
1747         .txq_info_get = mlx5_txq_info_get,
1748         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1749         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1750         .get_module_info = mlx5_get_module_info,
1751         .get_module_eeprom = mlx5_get_module_eeprom,
1752 };
1753
1754 /* Available operations in flow isolated mode. */
1755 const struct eth_dev_ops mlx5_dev_ops_isolate = {
1756         .dev_configure = mlx5_dev_configure,
1757         .dev_start = mlx5_dev_start,
1758         .dev_stop = mlx5_dev_stop,
1759         .dev_set_link_down = mlx5_set_link_down,
1760         .dev_set_link_up = mlx5_set_link_up,
1761         .dev_close = mlx5_dev_close,
1762         .promiscuous_enable = mlx5_promiscuous_enable,
1763         .promiscuous_disable = mlx5_promiscuous_disable,
1764         .allmulticast_enable = mlx5_allmulticast_enable,
1765         .allmulticast_disable = mlx5_allmulticast_disable,
1766         .link_update = mlx5_link_update,
1767         .stats_get = mlx5_stats_get,
1768         .stats_reset = mlx5_stats_reset,
1769         .xstats_get = mlx5_xstats_get,
1770         .xstats_reset = mlx5_xstats_reset,
1771         .xstats_get_names = mlx5_xstats_get_names,
1772         .fw_version_get = mlx5_fw_version_get,
1773         .dev_infos_get = mlx5_dev_infos_get,
1774         .read_clock = mlx5_txpp_read_clock,
1775         .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
1776         .vlan_filter_set = mlx5_vlan_filter_set,
1777         .rx_queue_setup = mlx5_rx_queue_setup,
1778         .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
1779         .tx_queue_setup = mlx5_tx_queue_setup,
1780         .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
1781         .rx_queue_release = mlx5_rx_queue_release,
1782         .tx_queue_release = mlx5_tx_queue_release,
1783         .rx_queue_start = mlx5_rx_queue_start,
1784         .rx_queue_stop = mlx5_rx_queue_stop,
1785         .tx_queue_start = mlx5_tx_queue_start,
1786         .tx_queue_stop = mlx5_tx_queue_stop,
1787         .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
1788         .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
1789         .mac_addr_remove = mlx5_mac_addr_remove,
1790         .mac_addr_add = mlx5_mac_addr_add,
1791         .mac_addr_set = mlx5_mac_addr_set,
1792         .set_mc_addr_list = mlx5_set_mc_addr_list,
1793         .mtu_set = mlx5_dev_set_mtu,
1794         .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
1795         .vlan_offload_set = mlx5_vlan_offload_set,
1796         .flow_ops_get = mlx5_flow_ops_get,
1797         .rxq_info_get = mlx5_rxq_info_get,
1798         .txq_info_get = mlx5_txq_info_get,
1799         .rx_burst_mode_get = mlx5_rx_burst_mode_get,
1800         .tx_burst_mode_get = mlx5_tx_burst_mode_get,
1801         .rx_queue_intr_enable = mlx5_rx_intr_enable,
1802         .rx_queue_intr_disable = mlx5_rx_intr_disable,
1803         .is_removed = mlx5_is_removed,
1804         .get_module_info = mlx5_get_module_info,
1805         .get_module_eeprom = mlx5_get_module_eeprom,
1806         .hairpin_cap_get = mlx5_hairpin_cap_get,
1807         .mtr_ops_get = mlx5_flow_meter_ops_get,
1808         .hairpin_bind = mlx5_hairpin_bind,
1809         .hairpin_unbind = mlx5_hairpin_unbind,
1810         .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
1811         .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
1812         .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
1813         .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
1814         .get_monitor_addr = mlx5_get_monitor_addr,
1815 };
1816
1817 /**
1818  * Verify and store value for device argument.
1819  *
1820  * @param[in] key
1821  *   Key argument to verify.
1822  * @param[in] val
1823  *   Value associated with key.
1824  * @param opaque
1825  *   User data.
1826  *
1827  * @return
1828  *   0 on success, a negative errno value otherwise and rte_errno is set.
1829  */
1830 static int
1831 mlx5_args_check(const char *key, const char *val, void *opaque)
1832 {
1833         struct mlx5_dev_config *config = opaque;
1834         unsigned long mod;
1835         signed long tmp;
1836
1837         /* No-op, port representors are processed in mlx5_dev_spawn(). */
1838         if (!strcmp(MLX5_REPRESENTOR, key))
1839                 return 0;
1840         errno = 0;
1841         tmp = strtol(val, NULL, 0);
1842         if (errno) {
1843                 rte_errno = errno;
1844                 DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
1845                 return -rte_errno;
1846         }
1847         if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) {
1848                 /* Negative values are acceptable for some keys only. */
1849                 rte_errno = EINVAL;
1850                 DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
1851                 return -rte_errno;
1852         }
1853         mod = tmp >= 0 ? tmp : -tmp;
1854         if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
1855                 if (tmp > MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
1856                         DRV_LOG(ERR, "invalid CQE compression "
1857                                      "format parameter");
1858                         rte_errno = EINVAL;
1859                         return -rte_errno;
1860                 }
1861                 config->cqe_comp = !!tmp;
1862                 config->cqe_comp_fmt = tmp;
1863         } else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) {
1864                 config->hw_padding = !!tmp;
1865         } else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
1866                 config->mprq.enabled = !!tmp;
1867         } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
1868                 config->mprq.stride_num_n = tmp;
1869         } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) {
1870                 config->mprq.stride_size_n = tmp;
1871         } else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) {
1872                 config->mprq.max_memcpy_len = tmp;
1873         } else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) {
1874                 config->mprq.min_rxqs_num = tmp;
1875         } else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
1876                 DRV_LOG(WARNING, "%s: deprecated parameter,"
1877                                  " converted to txq_inline_max", key);
1878                 config->txq_inline_max = tmp;
1879         } else if (strcmp(MLX5_TXQ_INLINE_MAX, key) == 0) {
1880                 config->txq_inline_max = tmp;
1881         } else if (strcmp(MLX5_TXQ_INLINE_MIN, key) == 0) {
1882                 config->txq_inline_min = tmp;
1883         } else if (strcmp(MLX5_TXQ_INLINE_MPW, key) == 0) {
1884                 config->txq_inline_mpw = tmp;
1885         } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
1886                 config->txqs_inline = tmp;
1887         } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
1888                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1889         } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
1890                 config->mps = !!tmp;
1891         } else if (strcmp(MLX5_TX_DB_NC, key) == 0) {
1892                 if (tmp != MLX5_TXDB_CACHED &&
1893                     tmp != MLX5_TXDB_NCACHED &&
1894                     tmp != MLX5_TXDB_HEURISTIC) {
1895                         DRV_LOG(ERR, "invalid Tx doorbell "
1896                                      "mapping parameter");
1897                         rte_errno = EINVAL;
1898                         return -rte_errno;
1899                 }
1900                 config->dbnc = tmp;
1901         } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
1902                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1903         } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
1904                 DRV_LOG(WARNING, "%s: deprecated parameter,"
1905                                  " converted to txq_inline_mpw", key);
1906                 config->txq_inline_mpw = tmp;
1907         } else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
1908                 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1909         } else if (strcmp(MLX5_TX_PP, key) == 0) {
1910                 if (!mod) {
1911                         DRV_LOG(ERR, "Zero Tx packet pacing parameter");
1912                         rte_errno = EINVAL;
1913                         return -rte_errno;
1914                 }
1915                 config->tx_pp = tmp;
1916         } else if (strcmp(MLX5_TX_SKEW, key) == 0) {
1917                 config->tx_skew = tmp;
1918         } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
1919                 config->rx_vec_en = !!tmp;
1920         } else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) {
1921                 config->l3_vxlan_en = !!tmp;
1922         } else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
1923                 config->vf_nl_en = !!tmp;
1924         } else if (strcmp(MLX5_DV_ESW_EN, key) == 0) {
1925                 config->dv_esw_en = !!tmp;
1926         } else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) {
1927                 config->dv_flow_en = !!tmp;
1928         } else if (strcmp(MLX5_DV_XMETA_EN, key) == 0) {
1929                 if (tmp != MLX5_XMETA_MODE_LEGACY &&
1930                     tmp != MLX5_XMETA_MODE_META16 &&
1931                     tmp != MLX5_XMETA_MODE_META32 &&
1932                     tmp != MLX5_XMETA_MODE_MISS_INFO) {
1933                         DRV_LOG(ERR, "invalid extensive "
1934                                      "metadata parameter");
1935                         rte_errno = EINVAL;
1936                         return -rte_errno;
1937                 }
1938                 if (tmp != MLX5_XMETA_MODE_MISS_INFO)
1939                         config->dv_xmeta_en = tmp;
1940                 else
1941                         config->dv_miss_info = 1;
1942         } else if (strcmp(MLX5_LACP_BY_USER, key) == 0) {
1943                 config->lacp_by_user = !!tmp;
1944         } else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
1945                 config->mr_ext_memseg_en = !!tmp;
1946         } else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
1947                 config->max_dump_files_num = tmp;
1948         } else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
1949                 config->lro.timeout = tmp;
1950         } else if (strcmp(RTE_DEVARGS_KEY_CLASS, key) == 0) {
1951                 DRV_LOG(DEBUG, "class argument is %s.", val);
1952         } else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) {
1953                 config->log_hp_size = tmp;
1954         } else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) {
1955                 if (tmp != MLX5_RCM_NONE &&
1956                     tmp != MLX5_RCM_LIGHT &&
1957                     tmp != MLX5_RCM_AGGR) {
1958                         DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val);
1959                         rte_errno = EINVAL;
1960                         return -rte_errno;
1961                 }
1962                 config->reclaim_mode = tmp;
1963         } else if (strcmp(MLX5_SYS_MEM_EN, key) == 0) {
1964                 config->sys_mem_en = !!tmp;
1965         } else if (strcmp(MLX5_DECAP_EN, key) == 0) {
1966                 config->decap_en = !!tmp;
1967         } else if (strcmp(MLX5_ALLOW_DUPLICATE_PATTERN, key) == 0) {
1968                 config->allow_duplicate_pattern = !!tmp;
1969         } else {
1970                 DRV_LOG(WARNING, "%s: unknown parameter", key);
1971                 rte_errno = EINVAL;
1972                 return -rte_errno;
1973         }
1974         return 0;
1975 }
1976
1977 /**
1978  * Parse device parameters.
1979  *
1980  * @param config
1981  *   Pointer to device configuration structure.
1982  * @param devargs
1983  *   Device arguments structure.
1984  *
1985  * @return
1986  *   0 on success, a negative errno value otherwise and rte_errno is set.
1987  */
1988 int
1989 mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
1990 {
1991         const char **params = (const char *[]){
1992                 MLX5_RXQ_CQE_COMP_EN,
1993                 MLX5_RXQ_PKT_PAD_EN,
1994                 MLX5_RX_MPRQ_EN,
1995                 MLX5_RX_MPRQ_LOG_STRIDE_NUM,
1996                 MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
1997                 MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
1998                 MLX5_RXQS_MIN_MPRQ,
1999                 MLX5_TXQ_INLINE,
2000                 MLX5_TXQ_INLINE_MIN,
2001                 MLX5_TXQ_INLINE_MAX,
2002                 MLX5_TXQ_INLINE_MPW,
2003                 MLX5_TXQS_MIN_INLINE,
2004                 MLX5_TXQS_MAX_VEC,
2005                 MLX5_TXQ_MPW_EN,
2006                 MLX5_TXQ_MPW_HDR_DSEG_EN,
2007                 MLX5_TXQ_MAX_INLINE_LEN,
2008                 MLX5_TX_DB_NC,
2009                 MLX5_TX_PP,
2010                 MLX5_TX_SKEW,
2011                 MLX5_TX_VEC_EN,
2012                 MLX5_RX_VEC_EN,
2013                 MLX5_L3_VXLAN_EN,
2014                 MLX5_VF_NL_EN,
2015                 MLX5_DV_ESW_EN,
2016                 MLX5_DV_FLOW_EN,
2017                 MLX5_DV_XMETA_EN,
2018                 MLX5_LACP_BY_USER,
2019                 MLX5_MR_EXT_MEMSEG_EN,
2020                 MLX5_REPRESENTOR,
2021                 MLX5_MAX_DUMP_FILES_NUM,
2022                 MLX5_LRO_TIMEOUT_USEC,
2023                 RTE_DEVARGS_KEY_CLASS,
2024                 MLX5_HP_BUF_SIZE,
2025                 MLX5_RECLAIM_MEM,
2026                 MLX5_SYS_MEM_EN,
2027                 MLX5_DECAP_EN,
2028                 MLX5_ALLOW_DUPLICATE_PATTERN,
2029                 NULL,
2030         };
2031         struct rte_kvargs *kvlist;
2032         int ret = 0;
2033         int i;
2034
2035         if (devargs == NULL)
2036                 return 0;
2037         /* Following UGLY cast is done to pass checkpatch. */
2038         kvlist = rte_kvargs_parse(devargs->args, params);
2039         if (kvlist == NULL) {
2040                 rte_errno = EINVAL;
2041                 return -rte_errno;
2042         }
2043         /* Process parameters. */
2044         for (i = 0; (params[i] != NULL); ++i) {
2045                 if (rte_kvargs_count(kvlist, params[i])) {
2046                         ret = rte_kvargs_process(kvlist, params[i],
2047                                                  mlx5_args_check, config);
2048                         if (ret) {
2049                                 rte_errno = EINVAL;
2050                                 rte_kvargs_free(kvlist);
2051                                 return -rte_errno;
2052                         }
2053                 }
2054         }
2055         rte_kvargs_free(kvlist);
2056         return 0;
2057 }
2058
2059 /**
2060  * Configures the minimal amount of data to inline into WQE
2061  * while sending packets.
2062  *
2063  * - the txq_inline_min has the maximal priority, if this
2064  *   key is specified in devargs
2065  * - if DevX is enabled the inline mode is queried from the
2066  *   device (HCA attributes and NIC vport context if needed).
2067  * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx
2068  *   and none (0 bytes) for other NICs
2069  *
2070  * @param spawn
2071  *   Verbs device parameters (name, port, switch_info) to spawn.
2072  * @param config
2073  *   Device configuration parameters.
2074  */
2075 void
2076 mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
2077                     struct mlx5_dev_config *config)
2078 {
2079         if (config->txq_inline_min != MLX5_ARG_UNSET) {
2080                 /* Application defines size of inlined data explicitly. */
2081                 if (spawn->pci_dev != NULL) {
2082                         switch (spawn->pci_dev->id.device_id) {
2083                         case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2084                         case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2085                                 if (config->txq_inline_min <
2086                                                (int)MLX5_INLINE_HSIZE_L2) {
2087                                         DRV_LOG(DEBUG,
2088                                                 "txq_inline_mix aligned to minimal ConnectX-4 required value %d",
2089                                                 (int)MLX5_INLINE_HSIZE_L2);
2090                                         config->txq_inline_min =
2091                                                         MLX5_INLINE_HSIZE_L2;
2092                                 }
2093                                 break;
2094                         }
2095                 }
2096                 goto exit;
2097         }
2098         if (config->hca_attr.eth_net_offloads) {
2099                 /* We have DevX enabled, inline mode queried successfully. */
2100                 switch (config->hca_attr.wqe_inline_mode) {
2101                 case MLX5_CAP_INLINE_MODE_L2:
2102                         /* outer L2 header must be inlined. */
2103                         config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2104                         goto exit;
2105                 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
2106                         /* No inline data are required by NIC. */
2107                         config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2108                         config->hw_vlan_insert =
2109                                 config->hca_attr.wqe_vlan_insert;
2110                         DRV_LOG(DEBUG, "Tx VLAN insertion is supported");
2111                         goto exit;
2112                 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
2113                         /* inline mode is defined by NIC vport context. */
2114                         if (!config->hca_attr.eth_virt)
2115                                 break;
2116                         switch (config->hca_attr.vport_inline_mode) {
2117                         case MLX5_INLINE_MODE_NONE:
2118                                 config->txq_inline_min =
2119                                         MLX5_INLINE_HSIZE_NONE;
2120                                 goto exit;
2121                         case MLX5_INLINE_MODE_L2:
2122                                 config->txq_inline_min =
2123                                         MLX5_INLINE_HSIZE_L2;
2124                                 goto exit;
2125                         case MLX5_INLINE_MODE_IP:
2126                                 config->txq_inline_min =
2127                                         MLX5_INLINE_HSIZE_L3;
2128                                 goto exit;
2129                         case MLX5_INLINE_MODE_TCP_UDP:
2130                                 config->txq_inline_min =
2131                                         MLX5_INLINE_HSIZE_L4;
2132                                 goto exit;
2133                         case MLX5_INLINE_MODE_INNER_L2:
2134                                 config->txq_inline_min =
2135                                         MLX5_INLINE_HSIZE_INNER_L2;
2136                                 goto exit;
2137                         case MLX5_INLINE_MODE_INNER_IP:
2138                                 config->txq_inline_min =
2139                                         MLX5_INLINE_HSIZE_INNER_L3;
2140                                 goto exit;
2141                         case MLX5_INLINE_MODE_INNER_TCP_UDP:
2142                                 config->txq_inline_min =
2143                                         MLX5_INLINE_HSIZE_INNER_L4;
2144                                 goto exit;
2145                         }
2146                 }
2147         }
2148         if (spawn->pci_dev == NULL) {
2149                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2150                 goto exit;
2151         }
2152         /*
2153          * We get here if we are unable to deduce
2154          * inline data size with DevX. Try PCI ID
2155          * to determine old NICs.
2156          */
2157         switch (spawn->pci_dev->id.device_id) {
2158         case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2159         case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2160         case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
2161         case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
2162                 config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2163                 config->hw_vlan_insert = 0;
2164                 break;
2165         case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
2166         case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
2167         case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
2168         case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
2169                 /*
2170                  * These NICs support VLAN insertion from WQE and
2171                  * report the wqe_vlan_insert flag. But there is the bug
2172                  * and PFC control may be broken, so disable feature.
2173                  */
2174                 config->hw_vlan_insert = 0;
2175                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2176                 break;
2177         default:
2178                 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2179                 break;
2180         }
2181 exit:
2182         DRV_LOG(DEBUG, "min tx inline configured: %d", config->txq_inline_min);
2183 }
2184
2185 /**
2186  * Configures the metadata mask fields in the shared context.
2187  *
2188  * @param [in] dev
2189  *   Pointer to Ethernet device.
2190  */
2191 void
2192 mlx5_set_metadata_mask(struct rte_eth_dev *dev)
2193 {
2194         struct mlx5_priv *priv = dev->data->dev_private;
2195         struct mlx5_dev_ctx_shared *sh = priv->sh;
2196         uint32_t meta, mark, reg_c0;
2197
2198         reg_c0 = ~priv->vport_meta_mask;
2199         switch (priv->config.dv_xmeta_en) {
2200         case MLX5_XMETA_MODE_LEGACY:
2201                 meta = UINT32_MAX;
2202                 mark = MLX5_FLOW_MARK_MASK;
2203                 break;
2204         case MLX5_XMETA_MODE_META16:
2205                 meta = reg_c0 >> rte_bsf32(reg_c0);
2206                 mark = MLX5_FLOW_MARK_MASK;
2207                 break;
2208         case MLX5_XMETA_MODE_META32:
2209                 meta = UINT32_MAX;
2210                 mark = (reg_c0 >> rte_bsf32(reg_c0)) & MLX5_FLOW_MARK_MASK;
2211                 break;
2212         default:
2213                 meta = 0;
2214                 mark = 0;
2215                 MLX5_ASSERT(false);
2216                 break;
2217         }
2218         if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
2219                 DRV_LOG(WARNING, "metadata MARK mask mismatche %08X:%08X",
2220                                  sh->dv_mark_mask, mark);
2221         else
2222                 sh->dv_mark_mask = mark;
2223         if (sh->dv_meta_mask && sh->dv_meta_mask != meta)
2224                 DRV_LOG(WARNING, "metadata META mask mismatche %08X:%08X",
2225                                  sh->dv_meta_mask, meta);
2226         else
2227                 sh->dv_meta_mask = meta;
2228         if (sh->dv_regc0_mask && sh->dv_regc0_mask != reg_c0)
2229                 DRV_LOG(WARNING, "metadata reg_c0 mask mismatche %08X:%08X",
2230                                  sh->dv_meta_mask, reg_c0);
2231         else
2232                 sh->dv_regc0_mask = reg_c0;
2233         DRV_LOG(DEBUG, "metadata mode %u", priv->config.dv_xmeta_en);
2234         DRV_LOG(DEBUG, "metadata MARK mask %08X", sh->dv_mark_mask);
2235         DRV_LOG(DEBUG, "metadata META mask %08X", sh->dv_meta_mask);
2236         DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask);
2237 }
2238
2239 int
2240 rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
2241 {
2242         static const char *const dynf_names[] = {
2243                 RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
2244                 RTE_MBUF_DYNFLAG_METADATA_NAME,
2245                 RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME
2246         };
2247         unsigned int i;
2248
2249         if (n < RTE_DIM(dynf_names))
2250                 return -ENOMEM;
2251         for (i = 0; i < RTE_DIM(dynf_names); i++) {
2252                 if (names[i] == NULL)
2253                         return -EINVAL;
2254                 strcpy(names[i], dynf_names[i]);
2255         }
2256         return RTE_DIM(dynf_names);
2257 }
2258
2259 /**
2260  * Comparison callback to sort device data.
2261  *
2262  * This is meant to be used with qsort().
2263  *
2264  * @param a[in]
2265  *   Pointer to pointer to first data object.
2266  * @param b[in]
2267  *   Pointer to pointer to second data object.
2268  *
2269  * @return
2270  *   0 if both objects are equal, less than 0 if the first argument is less
2271  *   than the second, greater than 0 otherwise.
2272  */
2273 int
2274 mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
2275                               struct mlx5_dev_config *config)
2276 {
2277         struct mlx5_dev_ctx_shared *sh = priv->sh;
2278         struct mlx5_dev_config *sh_conf = NULL;
2279         uint16_t port_id;
2280
2281         MLX5_ASSERT(sh);
2282         /* Nothing to compare for the single/first device. */
2283         if (sh->refcnt == 1)
2284                 return 0;
2285         /* Find the device with shared context. */
2286         MLX5_ETH_FOREACH_DEV(port_id, NULL) {
2287                 struct mlx5_priv *opriv =
2288                         rte_eth_devices[port_id].data->dev_private;
2289
2290                 if (opriv && opriv != priv && opriv->sh == sh) {
2291                         sh_conf = &opriv->config;
2292                         break;
2293                 }
2294         }
2295         if (!sh_conf)
2296                 return 0;
2297         if (sh_conf->dv_flow_en ^ config->dv_flow_en) {
2298                 DRV_LOG(ERR, "\"dv_flow_en\" configuration mismatch"
2299                              " for shared %s context", sh->ibdev_name);
2300                 rte_errno = EINVAL;
2301                 return rte_errno;
2302         }
2303         if (sh_conf->dv_xmeta_en ^ config->dv_xmeta_en) {
2304                 DRV_LOG(ERR, "\"dv_xmeta_en\" configuration mismatch"
2305                              " for shared %s context", sh->ibdev_name);
2306                 rte_errno = EINVAL;
2307                 return rte_errno;
2308         }
2309         return 0;
2310 }
2311
2312 /**
2313  * Look for the ethernet device belonging to mlx5 driver.
2314  *
2315  * @param[in] port_id
2316  *   port_id to start looking for device.
2317  * @param[in] odev
2318  *   Pointer to the hint device. When device is being probed
2319  *   the its siblings (master and preceding representors might
2320  *   not have assigned driver yet (because the mlx5_os_pci_probe()
2321  *   is not completed yet, for this case match on hint
2322  *   device may be used to detect sibling device.
2323  *
2324  * @return
2325  *   port_id of found device, RTE_MAX_ETHPORT if not found.
2326  */
2327 uint16_t
2328 mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev)
2329 {
2330         while (port_id < RTE_MAX_ETHPORTS) {
2331                 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2332
2333                 if (dev->state != RTE_ETH_DEV_UNUSED &&
2334                     dev->device &&
2335                     (dev->device == odev ||
2336                      (dev->device->driver &&
2337                      dev->device->driver->name &&
2338                      !strcmp(dev->device->driver->name, MLX5_PCI_DRIVER_NAME))))
2339                         break;
2340                 port_id++;
2341         }
2342         if (port_id >= RTE_MAX_ETHPORTS)
2343                 return RTE_MAX_ETHPORTS;
2344         return port_id;
2345 }
2346
2347 /**
2348  * DPDK callback to remove a PCI device.
2349  *
2350  * This function removes all Ethernet devices belong to a given PCI device.
2351  *
2352  * @param[in] pci_dev
2353  *   Pointer to the PCI device.
2354  *
2355  * @return
2356  *   0 on success, the function cannot fail.
2357  */
2358 static int
2359 mlx5_pci_remove(struct rte_pci_device *pci_dev)
2360 {
2361         uint16_t port_id;
2362         int ret = 0;
2363
2364         RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) {
2365                 /*
2366                  * mlx5_dev_close() is not registered to secondary process,
2367                  * call the close function explicitly for secondary process.
2368                  */
2369                 if (rte_eal_process_type() == RTE_PROC_SECONDARY)
2370                         ret |= mlx5_dev_close(&rte_eth_devices[port_id]);
2371                 else
2372                         ret |= rte_eth_dev_close(port_id);
2373         }
2374         return ret == 0 ? 0 : -EIO;
2375 }
2376
2377 static const struct rte_pci_id mlx5_pci_id_map[] = {
2378         {
2379                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2380                                PCI_DEVICE_ID_MELLANOX_CONNECTX4)
2381         },
2382         {
2383                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2384                                PCI_DEVICE_ID_MELLANOX_CONNECTX4VF)
2385         },
2386         {
2387                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2388                                PCI_DEVICE_ID_MELLANOX_CONNECTX4LX)
2389         },
2390         {
2391                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2392                                PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF)
2393         },
2394         {
2395                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2396                                PCI_DEVICE_ID_MELLANOX_CONNECTX5)
2397         },
2398         {
2399                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2400                                PCI_DEVICE_ID_MELLANOX_CONNECTX5VF)
2401         },
2402         {
2403                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2404                                PCI_DEVICE_ID_MELLANOX_CONNECTX5EX)
2405         },
2406         {
2407                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2408                                PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)
2409         },
2410         {
2411                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2412                                PCI_DEVICE_ID_MELLANOX_CONNECTX5BF)
2413         },
2414         {
2415                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2416                                PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
2417         },
2418         {
2419                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2420                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6)
2421         },
2422         {
2423                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2424                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
2425         },
2426         {
2427                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2428                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DX)
2429         },
2430         {
2431                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2432                                 PCI_DEVICE_ID_MELLANOX_CONNECTXVF)
2433         },
2434         {
2435                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2436                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
2437         },
2438         {
2439                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2440                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6LX)
2441         },
2442         {
2443                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2444                                 PCI_DEVICE_ID_MELLANOX_CONNECTX7)
2445         },
2446         {
2447                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2448                                 PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
2449         },
2450         {
2451                 .vendor_id = 0
2452         }
2453 };
2454
2455 static struct mlx5_pci_driver mlx5_driver = {
2456         .driver_class = MLX5_CLASS_ETH,
2457         .pci_driver = {
2458                 .driver = {
2459                         .name = MLX5_PCI_DRIVER_NAME,
2460                 },
2461                 .id_table = mlx5_pci_id_map,
2462                 .probe = mlx5_os_pci_probe,
2463                 .remove = mlx5_pci_remove,
2464                 .dma_map = mlx5_dma_map,
2465                 .dma_unmap = mlx5_dma_unmap,
2466                 .drv_flags = PCI_DRV_FLAGS,
2467         },
2468 };
2469
2470 /* Initialize driver log type. */
2471 RTE_LOG_REGISTER_DEFAULT(mlx5_logtype, NOTICE)
2472
2473 /**
2474  * Driver initialization routine.
2475  */
2476 RTE_INIT(rte_mlx5_pmd_init)
2477 {
2478         pthread_mutex_init(&mlx5_dev_ctx_list_mutex, NULL);
2479         mlx5_common_init();
2480         /* Build the static tables for Verbs conversion. */
2481         mlx5_set_ptype_table();
2482         mlx5_set_cksum_table();
2483         mlx5_set_swp_types_table();
2484         if (mlx5_glue)
2485                 mlx5_pci_driver_register(&mlx5_driver);
2486 }
2487
2488 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
2489 RTE_PMD_REGISTER_PCI_TABLE(net_mlx5, mlx5_pci_id_map);
2490 RTE_PMD_REGISTER_KMOD_DEP(net_mlx5, "* ib_uverbs & mlx5_core & mlx5_ib");