1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2015 6WIND S.A. 3 * Copyright 2015 Mellanox Technologies, Ltd 4 */ 5 6 #include <stddef.h> 7 #include <unistd.h> 8 #include <string.h> 9 #include <stdint.h> 10 #include <stdlib.h> 11 #include <errno.h> 12 13 #include <rte_malloc.h> 14 #include <ethdev_driver.h> 15 #include <rte_pci.h> 16 #include <rte_bus_pci.h> 17 #include <rte_common.h> 18 #include <rte_kvargs.h> 19 #include <rte_rwlock.h> 20 #include <rte_spinlock.h> 21 #include <rte_string_fns.h> 22 #include <rte_eal_paging.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_malloc.h> 32 33 #include "mlx5_defs.h" 34 #include "mlx5.h" 35 #include "mlx5_utils.h" 36 #include "mlx5_rxtx.h" 37 #include "mlx5_rx.h" 38 #include "mlx5_tx.h" 39 #include "mlx5_autoconf.h" 40 #include "mlx5_flow.h" 41 #include "mlx5_flow_os.h" 42 #include "rte_pmd_mlx5.h" 43 44 #define MLX5_ETH_DRIVER_NAME mlx5_eth 45 46 /* Device parameter to enable RX completion queue compression. */ 47 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en" 48 49 /* Device parameter to enable padding Rx packet to cacheline size. */ 50 #define MLX5_RXQ_PKT_PAD_EN "rxq_pkt_pad_en" 51 52 /* Device parameter to enable Multi-Packet Rx queue. */ 53 #define MLX5_RX_MPRQ_EN "mprq_en" 54 55 /* Device parameter to configure log 2 of the number of strides for MPRQ. */ 56 #define MLX5_RX_MPRQ_LOG_STRIDE_NUM "mprq_log_stride_num" 57 58 /* Device parameter to configure log 2 of the stride size for MPRQ. */ 59 #define MLX5_RX_MPRQ_LOG_STRIDE_SIZE "mprq_log_stride_size" 60 61 /* Device parameter to limit the size of memcpy'd packet for MPRQ. */ 62 #define MLX5_RX_MPRQ_MAX_MEMCPY_LEN "mprq_max_memcpy_len" 63 64 /* Device parameter to set the minimum number of Rx queues to enable MPRQ. */ 65 #define MLX5_RXQS_MIN_MPRQ "rxqs_min_mprq" 66 67 /* Device parameter to configure inline send. Deprecated, ignored.*/ 68 #define MLX5_TXQ_INLINE "txq_inline" 69 70 /* Device parameter to limit packet size to inline with ordinary SEND. */ 71 #define MLX5_TXQ_INLINE_MAX "txq_inline_max" 72 73 /* Device parameter to configure minimal data size to inline. */ 74 #define MLX5_TXQ_INLINE_MIN "txq_inline_min" 75 76 /* Device parameter to limit packet size to inline with Enhanced MPW. */ 77 #define MLX5_TXQ_INLINE_MPW "txq_inline_mpw" 78 79 /* 80 * Device parameter to configure the number of TX queues threshold for 81 * enabling inline send. 82 */ 83 #define MLX5_TXQS_MIN_INLINE "txqs_min_inline" 84 85 /* 86 * Device parameter to configure the number of TX queues threshold for 87 * enabling vectorized Tx, deprecated, ignored (no vectorized Tx routines). 88 */ 89 #define MLX5_TXQS_MAX_VEC "txqs_max_vec" 90 91 /* Device parameter to enable multi-packet send WQEs. */ 92 #define MLX5_TXQ_MPW_EN "txq_mpw_en" 93 94 /* 95 * Device parameter to include 2 dsegs in the title WQEBB. 96 * Deprecated, ignored. 97 */ 98 #define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en" 99 100 /* 101 * Device parameter to limit the size of inlining packet. 102 * Deprecated, ignored. 103 */ 104 #define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len" 105 106 /* 107 * Device parameter to enable Tx scheduling on timestamps 108 * and specify the packet pacing granularity in nanoseconds. 109 */ 110 #define MLX5_TX_PP "tx_pp" 111 112 /* 113 * Device parameter to specify skew in nanoseconds on Tx datapath, 114 * it represents the time between SQ start WQE processing and 115 * appearing actual packet data on the wire. 116 */ 117 #define MLX5_TX_SKEW "tx_skew" 118 119 /* 120 * Device parameter to enable hardware Tx vector. 121 * Deprecated, ignored (no vectorized Tx routines anymore). 122 */ 123 #define MLX5_TX_VEC_EN "tx_vec_en" 124 125 /* Device parameter to enable hardware Rx vector. */ 126 #define MLX5_RX_VEC_EN "rx_vec_en" 127 128 /* Allow L3 VXLAN flow creation. */ 129 #define MLX5_L3_VXLAN_EN "l3_vxlan_en" 130 131 /* Activate DV E-Switch flow steering. */ 132 #define MLX5_DV_ESW_EN "dv_esw_en" 133 134 /* Activate DV flow steering. */ 135 #define MLX5_DV_FLOW_EN "dv_flow_en" 136 137 /* Enable extensive flow metadata support. */ 138 #define MLX5_DV_XMETA_EN "dv_xmeta_en" 139 140 /* Device parameter to let the user manage the lacp traffic of bonded device */ 141 #define MLX5_LACP_BY_USER "lacp_by_user" 142 143 /* Activate Netlink support in VF mode. */ 144 #define MLX5_VF_NL_EN "vf_nl_en" 145 146 /* Select port representors to instantiate. */ 147 #define MLX5_REPRESENTOR "representor" 148 149 /* Device parameter to configure the maximum number of dump files per queue. */ 150 #define MLX5_MAX_DUMP_FILES_NUM "max_dump_files_num" 151 152 /* Configure timeout of LRO session (in microseconds). */ 153 #define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec" 154 155 /* 156 * Device parameter to configure the total data buffer size for a single 157 * hairpin queue (logarithm value). 158 */ 159 #define MLX5_HP_BUF_SIZE "hp_buf_log_sz" 160 161 /* Flow memory reclaim mode. */ 162 #define MLX5_RECLAIM_MEM "reclaim_mem_mode" 163 164 /* Decap will be used or not. */ 165 #define MLX5_DECAP_EN "decap_en" 166 167 /* Device parameter to configure allow or prevent duplicate rules pattern. */ 168 #define MLX5_ALLOW_DUPLICATE_PATTERN "allow_duplicate_pattern" 169 170 /* Device parameter to configure the delay drop when creating Rxqs. */ 171 #define MLX5_DELAY_DROP "delay_drop" 172 173 /* Shared memory between primary and secondary processes. */ 174 struct mlx5_shared_data *mlx5_shared_data; 175 176 /** Driver-specific log messages type. */ 177 int mlx5_logtype; 178 179 static LIST_HEAD(, mlx5_dev_ctx_shared) mlx5_dev_ctx_list = 180 LIST_HEAD_INITIALIZER(); 181 static pthread_mutex_t mlx5_dev_ctx_list_mutex; 182 static const struct mlx5_indexed_pool_config mlx5_ipool_cfg[] = { 183 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H) 184 [MLX5_IPOOL_DECAP_ENCAP] = { 185 .size = sizeof(struct mlx5_flow_dv_encap_decap_resource), 186 .trunk_size = 64, 187 .grow_trunk = 3, 188 .grow_shift = 2, 189 .need_lock = 1, 190 .release_mem_en = 1, 191 .malloc = mlx5_malloc, 192 .free = mlx5_free, 193 .type = "mlx5_encap_decap_ipool", 194 }, 195 [MLX5_IPOOL_PUSH_VLAN] = { 196 .size = sizeof(struct mlx5_flow_dv_push_vlan_action_resource), 197 .trunk_size = 64, 198 .grow_trunk = 3, 199 .grow_shift = 2, 200 .need_lock = 1, 201 .release_mem_en = 1, 202 .malloc = mlx5_malloc, 203 .free = mlx5_free, 204 .type = "mlx5_push_vlan_ipool", 205 }, 206 [MLX5_IPOOL_TAG] = { 207 .size = sizeof(struct mlx5_flow_dv_tag_resource), 208 .trunk_size = 64, 209 .grow_trunk = 3, 210 .grow_shift = 2, 211 .need_lock = 1, 212 .release_mem_en = 0, 213 .per_core_cache = (1 << 16), 214 .malloc = mlx5_malloc, 215 .free = mlx5_free, 216 .type = "mlx5_tag_ipool", 217 }, 218 [MLX5_IPOOL_PORT_ID] = { 219 .size = sizeof(struct mlx5_flow_dv_port_id_action_resource), 220 .trunk_size = 64, 221 .grow_trunk = 3, 222 .grow_shift = 2, 223 .need_lock = 1, 224 .release_mem_en = 1, 225 .malloc = mlx5_malloc, 226 .free = mlx5_free, 227 .type = "mlx5_port_id_ipool", 228 }, 229 [MLX5_IPOOL_JUMP] = { 230 .size = sizeof(struct mlx5_flow_tbl_data_entry), 231 .trunk_size = 64, 232 .grow_trunk = 3, 233 .grow_shift = 2, 234 .need_lock = 1, 235 .release_mem_en = 1, 236 .malloc = mlx5_malloc, 237 .free = mlx5_free, 238 .type = "mlx5_jump_ipool", 239 }, 240 [MLX5_IPOOL_SAMPLE] = { 241 .size = sizeof(struct mlx5_flow_dv_sample_resource), 242 .trunk_size = 64, 243 .grow_trunk = 3, 244 .grow_shift = 2, 245 .need_lock = 1, 246 .release_mem_en = 1, 247 .malloc = mlx5_malloc, 248 .free = mlx5_free, 249 .type = "mlx5_sample_ipool", 250 }, 251 [MLX5_IPOOL_DEST_ARRAY] = { 252 .size = sizeof(struct mlx5_flow_dv_dest_array_resource), 253 .trunk_size = 64, 254 .grow_trunk = 3, 255 .grow_shift = 2, 256 .need_lock = 1, 257 .release_mem_en = 1, 258 .malloc = mlx5_malloc, 259 .free = mlx5_free, 260 .type = "mlx5_dest_array_ipool", 261 }, 262 [MLX5_IPOOL_TUNNEL_ID] = { 263 .size = sizeof(struct mlx5_flow_tunnel), 264 .trunk_size = MLX5_MAX_TUNNELS, 265 .need_lock = 1, 266 .release_mem_en = 1, 267 .type = "mlx5_tunnel_offload", 268 }, 269 [MLX5_IPOOL_TNL_TBL_ID] = { 270 .size = 0, 271 .need_lock = 1, 272 .type = "mlx5_flow_tnl_tbl_ipool", 273 }, 274 #endif 275 [MLX5_IPOOL_MTR] = { 276 /** 277 * The ipool index should grow continually from small to big, 278 * for meter idx, so not set grow_trunk to avoid meter index 279 * not jump continually. 280 */ 281 .size = sizeof(struct mlx5_legacy_flow_meter), 282 .trunk_size = 64, 283 .need_lock = 1, 284 .release_mem_en = 1, 285 .malloc = mlx5_malloc, 286 .free = mlx5_free, 287 .type = "mlx5_meter_ipool", 288 }, 289 [MLX5_IPOOL_MCP] = { 290 .size = sizeof(struct mlx5_flow_mreg_copy_resource), 291 .trunk_size = 64, 292 .grow_trunk = 3, 293 .grow_shift = 2, 294 .need_lock = 1, 295 .release_mem_en = 1, 296 .malloc = mlx5_malloc, 297 .free = mlx5_free, 298 .type = "mlx5_mcp_ipool", 299 }, 300 [MLX5_IPOOL_HRXQ] = { 301 .size = (sizeof(struct mlx5_hrxq) + MLX5_RSS_HASH_KEY_LEN), 302 .trunk_size = 64, 303 .grow_trunk = 3, 304 .grow_shift = 2, 305 .need_lock = 1, 306 .release_mem_en = 1, 307 .malloc = mlx5_malloc, 308 .free = mlx5_free, 309 .type = "mlx5_hrxq_ipool", 310 }, 311 [MLX5_IPOOL_MLX5_FLOW] = { 312 /* 313 * MLX5_IPOOL_MLX5_FLOW size varies for DV and VERBS flows. 314 * It set in run time according to PCI function configuration. 315 */ 316 .size = 0, 317 .trunk_size = 64, 318 .grow_trunk = 3, 319 .grow_shift = 2, 320 .need_lock = 1, 321 .release_mem_en = 0, 322 .per_core_cache = 1 << 19, 323 .malloc = mlx5_malloc, 324 .free = mlx5_free, 325 .type = "mlx5_flow_handle_ipool", 326 }, 327 [MLX5_IPOOL_RTE_FLOW] = { 328 .size = sizeof(struct rte_flow), 329 .trunk_size = 4096, 330 .need_lock = 1, 331 .release_mem_en = 1, 332 .malloc = mlx5_malloc, 333 .free = mlx5_free, 334 .type = "rte_flow_ipool", 335 }, 336 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID] = { 337 .size = 0, 338 .need_lock = 1, 339 .type = "mlx5_flow_rss_id_ipool", 340 }, 341 [MLX5_IPOOL_RSS_SHARED_ACTIONS] = { 342 .size = sizeof(struct mlx5_shared_action_rss), 343 .trunk_size = 64, 344 .grow_trunk = 3, 345 .grow_shift = 2, 346 .need_lock = 1, 347 .release_mem_en = 1, 348 .malloc = mlx5_malloc, 349 .free = mlx5_free, 350 .type = "mlx5_shared_action_rss", 351 }, 352 [MLX5_IPOOL_MTR_POLICY] = { 353 /** 354 * The ipool index should grow continually from small to big, 355 * for policy idx, so not set grow_trunk to avoid policy index 356 * not jump continually. 357 */ 358 .size = sizeof(struct mlx5_flow_meter_sub_policy), 359 .trunk_size = 64, 360 .need_lock = 1, 361 .release_mem_en = 1, 362 .malloc = mlx5_malloc, 363 .free = mlx5_free, 364 .type = "mlx5_meter_policy_ipool", 365 }, 366 }; 367 368 #define MLX5_FLOW_MIN_ID_POOL_SIZE 512 369 #define MLX5_ID_GENERATION_ARRAY_FACTOR 16 370 371 #define MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE 1024 372 373 /** 374 * Decide whether representor ID is a HPF(host PF) port on BF2. 375 * 376 * @param dev 377 * Pointer to Ethernet device structure. 378 * 379 * @return 380 * Non-zero if HPF, otherwise 0. 381 */ 382 bool 383 mlx5_is_hpf(struct rte_eth_dev *dev) 384 { 385 struct mlx5_priv *priv = dev->data->dev_private; 386 uint16_t repr = MLX5_REPRESENTOR_REPR(priv->representor_id); 387 int type = MLX5_REPRESENTOR_TYPE(priv->representor_id); 388 389 return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_VF && 390 MLX5_REPRESENTOR_REPR(-1) == repr; 391 } 392 393 /** 394 * Decide whether representor ID is a SF port representor. 395 * 396 * @param dev 397 * Pointer to Ethernet device structure. 398 * 399 * @return 400 * Non-zero if HPF, otherwise 0. 401 */ 402 bool 403 mlx5_is_sf_repr(struct rte_eth_dev *dev) 404 { 405 struct mlx5_priv *priv = dev->data->dev_private; 406 int type = MLX5_REPRESENTOR_TYPE(priv->representor_id); 407 408 return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_SF; 409 } 410 411 /** 412 * Initialize the ASO aging management structure. 413 * 414 * @param[in] sh 415 * Pointer to mlx5_dev_ctx_shared object to free 416 * 417 * @return 418 * 0 on success, a negative errno value otherwise and rte_errno is set. 419 */ 420 int 421 mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh) 422 { 423 int err; 424 425 if (sh->aso_age_mng) 426 return 0; 427 sh->aso_age_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->aso_age_mng), 428 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); 429 if (!sh->aso_age_mng) { 430 DRV_LOG(ERR, "aso_age_mng allocation was failed."); 431 rte_errno = ENOMEM; 432 return -ENOMEM; 433 } 434 err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_FLOW_HIT); 435 if (err) { 436 mlx5_free(sh->aso_age_mng); 437 return -1; 438 } 439 rte_rwlock_init(&sh->aso_age_mng->resize_rwl); 440 rte_spinlock_init(&sh->aso_age_mng->free_sl); 441 LIST_INIT(&sh->aso_age_mng->free); 442 return 0; 443 } 444 445 /** 446 * Close and release all the resources of the ASO aging management structure. 447 * 448 * @param[in] sh 449 * Pointer to mlx5_dev_ctx_shared object to free. 450 */ 451 static void 452 mlx5_flow_aso_age_mng_close(struct mlx5_dev_ctx_shared *sh) 453 { 454 int i, j; 455 456 mlx5_aso_flow_hit_queue_poll_stop(sh); 457 mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_FLOW_HIT); 458 if (sh->aso_age_mng->pools) { 459 struct mlx5_aso_age_pool *pool; 460 461 for (i = 0; i < sh->aso_age_mng->next; ++i) { 462 pool = sh->aso_age_mng->pools[i]; 463 claim_zero(mlx5_devx_cmd_destroy 464 (pool->flow_hit_aso_obj)); 465 for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) 466 if (pool->actions[j].dr_action) 467 claim_zero 468 (mlx5_flow_os_destroy_flow_action 469 (pool->actions[j].dr_action)); 470 mlx5_free(pool); 471 } 472 mlx5_free(sh->aso_age_mng->pools); 473 } 474 mlx5_free(sh->aso_age_mng); 475 } 476 477 /** 478 * Initialize the shared aging list information per port. 479 * 480 * @param[in] sh 481 * Pointer to mlx5_dev_ctx_shared object. 482 */ 483 static void 484 mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh) 485 { 486 uint32_t i; 487 struct mlx5_age_info *age_info; 488 489 for (i = 0; i < sh->max_port; i++) { 490 age_info = &sh->port[i].age_info; 491 age_info->flags = 0; 492 TAILQ_INIT(&age_info->aged_counters); 493 LIST_INIT(&age_info->aged_aso); 494 rte_spinlock_init(&age_info->aged_sl); 495 MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER); 496 } 497 } 498 499 /** 500 * DV flow counter mode detect and config. 501 * 502 * @param dev 503 * Pointer to rte_eth_dev structure. 504 * 505 */ 506 void 507 mlx5_flow_counter_mode_config(struct rte_eth_dev *dev __rte_unused) 508 { 509 #ifdef HAVE_IBV_FLOW_DV_SUPPORT 510 struct mlx5_priv *priv = dev->data->dev_private; 511 struct mlx5_dev_ctx_shared *sh = priv->sh; 512 struct mlx5_hca_attr *hca_attr = &sh->cdev->config.hca_attr; 513 bool fallback; 514 515 #ifndef HAVE_IBV_DEVX_ASYNC 516 fallback = true; 517 #else 518 fallback = false; 519 if (!sh->cdev->config.devx || !sh->config.dv_flow_en || 520 !hca_attr->flow_counters_dump || 521 !(hca_attr->flow_counter_bulk_alloc_bitmap & 0x4) || 522 (mlx5_flow_dv_discover_counter_offset_support(dev) == -ENOTSUP)) 523 fallback = true; 524 #endif 525 if (fallback) 526 DRV_LOG(INFO, "Use fall-back DV counter management. Flow " 527 "counter dump:%d, bulk_alloc_bitmap:0x%hhx.", 528 hca_attr->flow_counters_dump, 529 hca_attr->flow_counter_bulk_alloc_bitmap); 530 /* Initialize fallback mode only on the port initializes sh. */ 531 if (sh->refcnt == 1) 532 sh->cmng.counter_fallback = fallback; 533 else if (fallback != sh->cmng.counter_fallback) 534 DRV_LOG(WARNING, "Port %d in sh has different fallback mode " 535 "with others:%d.", PORT_ID(priv), fallback); 536 #endif 537 } 538 539 /** 540 * Initialize the counters management structure. 541 * 542 * @param[in] sh 543 * Pointer to mlx5_dev_ctx_shared object to free 544 */ 545 static void 546 mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh) 547 { 548 int i; 549 550 memset(&sh->cmng, 0, sizeof(sh->cmng)); 551 TAILQ_INIT(&sh->cmng.flow_counters); 552 sh->cmng.min_id = MLX5_CNT_BATCH_OFFSET; 553 sh->cmng.max_id = -1; 554 sh->cmng.last_pool_idx = POOL_IDX_INVALID; 555 rte_spinlock_init(&sh->cmng.pool_update_sl); 556 for (i = 0; i < MLX5_COUNTER_TYPE_MAX; i++) { 557 TAILQ_INIT(&sh->cmng.counters[i]); 558 rte_spinlock_init(&sh->cmng.csl[i]); 559 } 560 } 561 562 /** 563 * Destroy all the resources allocated for a counter memory management. 564 * 565 * @param[in] mng 566 * Pointer to the memory management structure. 567 */ 568 static void 569 mlx5_flow_destroy_counter_stat_mem_mng(struct mlx5_counter_stats_mem_mng *mng) 570 { 571 uint8_t *mem = (uint8_t *)(uintptr_t)mng->raws[0].data; 572 573 LIST_REMOVE(mng, next); 574 mlx5_os_wrapped_mkey_destroy(&mng->wm); 575 mlx5_free(mem); 576 } 577 578 /** 579 * Close and release all the resources of the counters management. 580 * 581 * @param[in] sh 582 * Pointer to mlx5_dev_ctx_shared object to free. 583 */ 584 static void 585 mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh) 586 { 587 struct mlx5_counter_stats_mem_mng *mng; 588 int i, j; 589 int retries = 1024; 590 591 rte_errno = 0; 592 while (--retries) { 593 rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh); 594 if (rte_errno != EINPROGRESS) 595 break; 596 rte_pause(); 597 } 598 599 if (sh->cmng.pools) { 600 struct mlx5_flow_counter_pool *pool; 601 uint16_t n_valid = sh->cmng.n_valid; 602 bool fallback = sh->cmng.counter_fallback; 603 604 for (i = 0; i < n_valid; ++i) { 605 pool = sh->cmng.pools[i]; 606 if (!fallback && pool->min_dcs) 607 claim_zero(mlx5_devx_cmd_destroy 608 (pool->min_dcs)); 609 for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) { 610 struct mlx5_flow_counter *cnt = 611 MLX5_POOL_GET_CNT(pool, j); 612 613 if (cnt->action) 614 claim_zero 615 (mlx5_flow_os_destroy_flow_action 616 (cnt->action)); 617 if (fallback && MLX5_POOL_GET_CNT 618 (pool, j)->dcs_when_free) 619 claim_zero(mlx5_devx_cmd_destroy 620 (cnt->dcs_when_free)); 621 } 622 mlx5_free(pool); 623 } 624 mlx5_free(sh->cmng.pools); 625 } 626 mng = LIST_FIRST(&sh->cmng.mem_mngs); 627 while (mng) { 628 mlx5_flow_destroy_counter_stat_mem_mng(mng); 629 mng = LIST_FIRST(&sh->cmng.mem_mngs); 630 } 631 memset(&sh->cmng, 0, sizeof(sh->cmng)); 632 } 633 634 /** 635 * Initialize the aso flow meters management structure. 636 * 637 * @param[in] sh 638 * Pointer to mlx5_dev_ctx_shared object to free 639 */ 640 int 641 mlx5_aso_flow_mtrs_mng_init(struct mlx5_dev_ctx_shared *sh) 642 { 643 if (!sh->mtrmng) { 644 sh->mtrmng = mlx5_malloc(MLX5_MEM_ZERO, 645 sizeof(*sh->mtrmng), 646 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); 647 if (!sh->mtrmng) { 648 DRV_LOG(ERR, 649 "meter management allocation was failed."); 650 rte_errno = ENOMEM; 651 return -ENOMEM; 652 } 653 if (sh->meter_aso_en) { 654 rte_spinlock_init(&sh->mtrmng->pools_mng.mtrsl); 655 rte_rwlock_init(&sh->mtrmng->pools_mng.resize_mtrwl); 656 LIST_INIT(&sh->mtrmng->pools_mng.meters); 657 } 658 sh->mtrmng->def_policy_id = MLX5_INVALID_POLICY_ID; 659 } 660 return 0; 661 } 662 663 /** 664 * Close and release all the resources of 665 * the ASO flow meter management structure. 666 * 667 * @param[in] sh 668 * Pointer to mlx5_dev_ctx_shared object to free. 669 */ 670 static void 671 mlx5_aso_flow_mtrs_mng_close(struct mlx5_dev_ctx_shared *sh) 672 { 673 struct mlx5_aso_mtr_pool *mtr_pool; 674 struct mlx5_flow_mtr_mng *mtrmng = sh->mtrmng; 675 uint32_t idx; 676 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO 677 struct mlx5_aso_mtr *aso_mtr; 678 int i; 679 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */ 680 681 if (sh->meter_aso_en) { 682 mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_POLICER); 683 idx = mtrmng->pools_mng.n_valid; 684 while (idx--) { 685 mtr_pool = mtrmng->pools_mng.pools[idx]; 686 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO 687 for (i = 0; i < MLX5_ASO_MTRS_PER_POOL; i++) { 688 aso_mtr = &mtr_pool->mtrs[i]; 689 if (aso_mtr->fm.meter_action) 690 claim_zero 691 (mlx5_glue->destroy_flow_action 692 (aso_mtr->fm.meter_action)); 693 } 694 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */ 695 claim_zero(mlx5_devx_cmd_destroy 696 (mtr_pool->devx_obj)); 697 mtrmng->pools_mng.n_valid--; 698 mlx5_free(mtr_pool); 699 } 700 mlx5_free(sh->mtrmng->pools_mng.pools); 701 } 702 mlx5_free(sh->mtrmng); 703 sh->mtrmng = NULL; 704 } 705 706 /* Send FLOW_AGED event if needed. */ 707 void 708 mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh) 709 { 710 struct mlx5_age_info *age_info; 711 uint32_t i; 712 713 for (i = 0; i < sh->max_port; i++) { 714 age_info = &sh->port[i].age_info; 715 if (!MLX5_AGE_GET(age_info, MLX5_AGE_EVENT_NEW)) 716 continue; 717 MLX5_AGE_UNSET(age_info, MLX5_AGE_EVENT_NEW); 718 if (MLX5_AGE_GET(age_info, MLX5_AGE_TRIGGER)) { 719 MLX5_AGE_UNSET(age_info, MLX5_AGE_TRIGGER); 720 rte_eth_dev_callback_process 721 (&rte_eth_devices[sh->port[i].devx_ih_port_id], 722 RTE_ETH_EVENT_FLOW_AGED, NULL); 723 } 724 } 725 } 726 727 /* 728 * Initialize the ASO connection tracking structure. 729 * 730 * @param[in] sh 731 * Pointer to mlx5_dev_ctx_shared object. 732 * 733 * @return 734 * 0 on success, a negative errno value otherwise and rte_errno is set. 735 */ 736 int 737 mlx5_flow_aso_ct_mng_init(struct mlx5_dev_ctx_shared *sh) 738 { 739 int err; 740 741 if (sh->ct_mng) 742 return 0; 743 sh->ct_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->ct_mng), 744 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); 745 if (!sh->ct_mng) { 746 DRV_LOG(ERR, "ASO CT management allocation failed."); 747 rte_errno = ENOMEM; 748 return -rte_errno; 749 } 750 err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_CONNECTION_TRACKING); 751 if (err) { 752 mlx5_free(sh->ct_mng); 753 /* rte_errno should be extracted from the failure. */ 754 rte_errno = EINVAL; 755 return -rte_errno; 756 } 757 rte_spinlock_init(&sh->ct_mng->ct_sl); 758 rte_rwlock_init(&sh->ct_mng->resize_rwl); 759 LIST_INIT(&sh->ct_mng->free_cts); 760 return 0; 761 } 762 763 /* 764 * Close and release all the resources of the 765 * ASO connection tracking management structure. 766 * 767 * @param[in] sh 768 * Pointer to mlx5_dev_ctx_shared object to free. 769 */ 770 static void 771 mlx5_flow_aso_ct_mng_close(struct mlx5_dev_ctx_shared *sh) 772 { 773 struct mlx5_aso_ct_pools_mng *mng = sh->ct_mng; 774 struct mlx5_aso_ct_pool *ct_pool; 775 struct mlx5_aso_ct_action *ct; 776 uint32_t idx; 777 uint32_t val; 778 uint32_t cnt; 779 int i; 780 781 mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_CONNECTION_TRACKING); 782 idx = mng->next; 783 while (idx--) { 784 cnt = 0; 785 ct_pool = mng->pools[idx]; 786 for (i = 0; i < MLX5_ASO_CT_ACTIONS_PER_POOL; i++) { 787 ct = &ct_pool->actions[i]; 788 val = __atomic_fetch_sub(&ct->refcnt, 1, 789 __ATOMIC_RELAXED); 790 MLX5_ASSERT(val == 1); 791 if (val > 1) 792 cnt++; 793 #ifdef HAVE_MLX5_DR_ACTION_ASO_CT 794 if (ct->dr_action_orig) 795 claim_zero(mlx5_glue->destroy_flow_action 796 (ct->dr_action_orig)); 797 if (ct->dr_action_rply) 798 claim_zero(mlx5_glue->destroy_flow_action 799 (ct->dr_action_rply)); 800 #endif 801 } 802 claim_zero(mlx5_devx_cmd_destroy(ct_pool->devx_obj)); 803 if (cnt) { 804 DRV_LOG(DEBUG, "%u ASO CT objects are being used in the pool %u", 805 cnt, i); 806 } 807 mlx5_free(ct_pool); 808 /* in case of failure. */ 809 mng->next--; 810 } 811 mlx5_free(mng->pools); 812 mlx5_free(mng); 813 /* Management structure must be cleared to 0s during allocation. */ 814 sh->ct_mng = NULL; 815 } 816 817 /** 818 * Initialize the flow resources' indexed mempool. 819 * 820 * @param[in] sh 821 * Pointer to mlx5_dev_ctx_shared object. 822 */ 823 static void 824 mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh) 825 { 826 uint8_t i; 827 struct mlx5_indexed_pool_config cfg; 828 829 for (i = 0; i < MLX5_IPOOL_MAX; ++i) { 830 cfg = mlx5_ipool_cfg[i]; 831 switch (i) { 832 default: 833 break; 834 /* 835 * Set MLX5_IPOOL_MLX5_FLOW ipool size 836 * according to PCI function flow configuration. 837 */ 838 case MLX5_IPOOL_MLX5_FLOW: 839 cfg.size = sh->config.dv_flow_en ? 840 sizeof(struct mlx5_flow_handle) : 841 MLX5_FLOW_HANDLE_VERBS_SIZE; 842 break; 843 } 844 if (sh->config.reclaim_mode) { 845 cfg.release_mem_en = 1; 846 cfg.per_core_cache = 0; 847 } else { 848 cfg.release_mem_en = 0; 849 } 850 sh->ipool[i] = mlx5_ipool_create(&cfg); 851 } 852 } 853 854 855 /** 856 * Release the flow resources' indexed mempool. 857 * 858 * @param[in] sh 859 * Pointer to mlx5_dev_ctx_shared object. 860 */ 861 static void 862 mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh) 863 { 864 uint8_t i; 865 866 for (i = 0; i < MLX5_IPOOL_MAX; ++i) 867 mlx5_ipool_destroy(sh->ipool[i]); 868 for (i = 0; i < MLX5_MAX_MODIFY_NUM; ++i) 869 if (sh->mdh_ipools[i]) 870 mlx5_ipool_destroy(sh->mdh_ipools[i]); 871 } 872 873 /* 874 * Check if dynamic flex parser for eCPRI already exists. 875 * 876 * @param dev 877 * Pointer to Ethernet device structure. 878 * 879 * @return 880 * true on exists, false on not. 881 */ 882 bool 883 mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev) 884 { 885 struct mlx5_priv *priv = dev->data->dev_private; 886 struct mlx5_ecpri_parser_profile *prf = &priv->sh->ecpri_parser; 887 888 return !!prf->obj; 889 } 890 891 /* 892 * Allocation of a flex parser for eCPRI. Once created, this parser related 893 * resources will be held until the device is closed. 894 * 895 * @param dev 896 * Pointer to Ethernet device structure. 897 * 898 * @return 899 * 0 on success, a negative errno value otherwise and rte_errno is set. 900 */ 901 int 902 mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev) 903 { 904 struct mlx5_priv *priv = dev->data->dev_private; 905 struct mlx5_ecpri_parser_profile *prf = &priv->sh->ecpri_parser; 906 struct mlx5_devx_graph_node_attr node = { 907 .modify_field_select = 0, 908 }; 909 uint32_t ids[8]; 910 int ret; 911 912 if (!priv->sh->cdev->config.hca_attr.parse_graph_flex_node) { 913 DRV_LOG(ERR, "Dynamic flex parser is not supported " 914 "for device %s.", priv->dev_data->name); 915 return -ENOTSUP; 916 } 917 node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED; 918 /* 8 bytes now: 4B common header + 4B message body header. */ 919 node.header_length_base_value = 0x8; 920 /* After MAC layer: Ether / VLAN. */ 921 node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC; 922 /* Type of compared condition should be 0xAEFE in the L2 layer. */ 923 node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI; 924 /* Sample #0: type in common header. */ 925 node.sample[0].flow_match_sample_en = 1; 926 /* Fixed offset. */ 927 node.sample[0].flow_match_sample_offset_mode = 0x0; 928 /* Only the 2nd byte will be used. */ 929 node.sample[0].flow_match_sample_field_base_offset = 0x0; 930 /* Sample #1: message payload. */ 931 node.sample[1].flow_match_sample_en = 1; 932 /* Fixed offset. */ 933 node.sample[1].flow_match_sample_offset_mode = 0x0; 934 /* 935 * Only the first two bytes will be used right now, and its offset will 936 * start after the common header that with the length of a DW(u32). 937 */ 938 node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t); 939 prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->cdev->ctx, &node); 940 if (!prf->obj) { 941 DRV_LOG(ERR, "Failed to create flex parser node object."); 942 return (rte_errno == 0) ? -ENODEV : -rte_errno; 943 } 944 prf->num = 2; 945 ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num); 946 if (ret) { 947 DRV_LOG(ERR, "Failed to query sample IDs."); 948 return (rte_errno == 0) ? -ENODEV : -rte_errno; 949 } 950 prf->offset[0] = 0x0; 951 prf->offset[1] = sizeof(uint32_t); 952 prf->ids[0] = ids[0]; 953 prf->ids[1] = ids[1]; 954 return 0; 955 } 956 957 /* 958 * Destroy the flex parser node, including the parser itself, input / output 959 * arcs and DW samples. Resources could be reused then. 960 * 961 * @param dev 962 * Pointer to Ethernet device structure. 963 */ 964 static void 965 mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev) 966 { 967 struct mlx5_priv *priv = dev->data->dev_private; 968 struct mlx5_ecpri_parser_profile *prf = &priv->sh->ecpri_parser; 969 970 if (prf->obj) 971 mlx5_devx_cmd_destroy(prf->obj); 972 prf->obj = NULL; 973 } 974 975 uint32_t 976 mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr) 977 { 978 uint32_t sw_parsing_offloads = 0; 979 980 if (attr->swp) { 981 sw_parsing_offloads |= MLX5_SW_PARSING_CAP; 982 if (attr->swp_csum) 983 sw_parsing_offloads |= MLX5_SW_PARSING_CSUM_CAP; 984 985 if (attr->swp_lso) 986 sw_parsing_offloads |= MLX5_SW_PARSING_TSO_CAP; 987 } 988 return sw_parsing_offloads; 989 } 990 991 uint32_t 992 mlx5_get_supported_tunneling_offloads(const struct mlx5_hca_attr *attr) 993 { 994 uint32_t tn_offloads = 0; 995 996 if (attr->tunnel_stateless_vxlan) 997 tn_offloads |= MLX5_TUNNELED_OFFLOADS_VXLAN_CAP; 998 if (attr->tunnel_stateless_gre) 999 tn_offloads |= MLX5_TUNNELED_OFFLOADS_GRE_CAP; 1000 if (attr->tunnel_stateless_geneve_rx) 1001 tn_offloads |= MLX5_TUNNELED_OFFLOADS_GENEVE_CAP; 1002 return tn_offloads; 1003 } 1004 1005 /* Fill all fields of UAR structure. */ 1006 static int 1007 mlx5_rxtx_uars_prepare(struct mlx5_dev_ctx_shared *sh) 1008 { 1009 int ret; 1010 1011 ret = mlx5_devx_uar_prepare(sh->cdev, &sh->tx_uar); 1012 if (ret) { 1013 DRV_LOG(ERR, "Failed to prepare Tx DevX UAR."); 1014 return -rte_errno; 1015 } 1016 MLX5_ASSERT(sh->tx_uar.obj); 1017 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->tx_uar.obj)); 1018 ret = mlx5_devx_uar_prepare(sh->cdev, &sh->rx_uar); 1019 if (ret) { 1020 DRV_LOG(ERR, "Failed to prepare Rx DevX UAR."); 1021 mlx5_devx_uar_release(&sh->tx_uar); 1022 return -rte_errno; 1023 } 1024 MLX5_ASSERT(sh->rx_uar.obj); 1025 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->rx_uar.obj)); 1026 return 0; 1027 } 1028 1029 static void 1030 mlx5_rxtx_uars_release(struct mlx5_dev_ctx_shared *sh) 1031 { 1032 mlx5_devx_uar_release(&sh->rx_uar); 1033 mlx5_devx_uar_release(&sh->tx_uar); 1034 } 1035 1036 /** 1037 * rte_mempool_walk() callback to unregister Rx mempools. 1038 * It used when implicit mempool registration is disabled. 1039 * 1040 * @param mp 1041 * The mempool being walked. 1042 * @param arg 1043 * Pointer to the device shared context. 1044 */ 1045 static void 1046 mlx5_dev_ctx_shared_rx_mempool_unregister_cb(struct rte_mempool *mp, void *arg) 1047 { 1048 struct mlx5_dev_ctx_shared *sh = arg; 1049 1050 mlx5_dev_mempool_unregister(sh->cdev, mp); 1051 } 1052 1053 /** 1054 * Callback used when implicit mempool registration is disabled 1055 * in order to track Rx mempool destruction. 1056 * 1057 * @param event 1058 * Mempool life cycle event. 1059 * @param mp 1060 * An Rx mempool registered explicitly when the port is started. 1061 * @param arg 1062 * Pointer to a device shared context. 1063 */ 1064 static void 1065 mlx5_dev_ctx_shared_rx_mempool_event_cb(enum rte_mempool_event event, 1066 struct rte_mempool *mp, void *arg) 1067 { 1068 struct mlx5_dev_ctx_shared *sh = arg; 1069 1070 if (event == RTE_MEMPOOL_EVENT_DESTROY) 1071 mlx5_dev_mempool_unregister(sh->cdev, mp); 1072 } 1073 1074 int 1075 mlx5_dev_ctx_shared_mempool_subscribe(struct rte_eth_dev *dev) 1076 { 1077 struct mlx5_priv *priv = dev->data->dev_private; 1078 struct mlx5_dev_ctx_shared *sh = priv->sh; 1079 int ret; 1080 1081 /* Check if we only need to track Rx mempool destruction. */ 1082 if (!sh->cdev->config.mr_mempool_reg_en) { 1083 ret = rte_mempool_event_callback_register 1084 (mlx5_dev_ctx_shared_rx_mempool_event_cb, sh); 1085 return ret == 0 || rte_errno == EEXIST ? 0 : ret; 1086 } 1087 return mlx5_dev_mempool_subscribe(sh->cdev); 1088 } 1089 1090 /** 1091 * Set up multiple TISs with different affinities according to 1092 * number of bonding ports 1093 * 1094 * @param priv 1095 * Pointer of shared context. 1096 * 1097 * @return 1098 * Zero on success, -1 otherwise. 1099 */ 1100 static int 1101 mlx5_setup_tis(struct mlx5_dev_ctx_shared *sh) 1102 { 1103 int i; 1104 struct mlx5_devx_lag_context lag_ctx = { 0 }; 1105 struct mlx5_devx_tis_attr tis_attr = { 0 }; 1106 1107 tis_attr.transport_domain = sh->td->id; 1108 if (sh->bond.n_port) { 1109 if (!mlx5_devx_cmd_query_lag(sh->cdev->ctx, &lag_ctx)) { 1110 sh->lag.tx_remap_affinity[0] = 1111 lag_ctx.tx_remap_affinity_1; 1112 sh->lag.tx_remap_affinity[1] = 1113 lag_ctx.tx_remap_affinity_2; 1114 sh->lag.affinity_mode = lag_ctx.port_select_mode; 1115 } else { 1116 DRV_LOG(ERR, "Failed to query lag affinity."); 1117 return -1; 1118 } 1119 if (sh->lag.affinity_mode == MLX5_LAG_MODE_TIS) { 1120 for (i = 0; i < sh->bond.n_port; i++) { 1121 tis_attr.lag_tx_port_affinity = 1122 MLX5_IFC_LAG_MAP_TIS_AFFINITY(i, 1123 sh->bond.n_port); 1124 sh->tis[i] = mlx5_devx_cmd_create_tis(sh->cdev->ctx, 1125 &tis_attr); 1126 if (!sh->tis[i]) { 1127 DRV_LOG(ERR, "Failed to TIS %d/%d for bonding device" 1128 " %s.", i, sh->bond.n_port, 1129 sh->ibdev_name); 1130 return -1; 1131 } 1132 } 1133 DRV_LOG(DEBUG, "LAG number of ports : %d, affinity_1 & 2 : pf%d & %d.\n", 1134 sh->bond.n_port, lag_ctx.tx_remap_affinity_1, 1135 lag_ctx.tx_remap_affinity_2); 1136 return 0; 1137 } 1138 if (sh->lag.affinity_mode == MLX5_LAG_MODE_HASH) 1139 DRV_LOG(INFO, "Device %s enabled HW hash based LAG.", 1140 sh->ibdev_name); 1141 } 1142 tis_attr.lag_tx_port_affinity = 0; 1143 sh->tis[0] = mlx5_devx_cmd_create_tis(sh->cdev->ctx, &tis_attr); 1144 if (!sh->tis[0]) { 1145 DRV_LOG(ERR, "Failed to TIS 0 for bonding device" 1146 " %s.", sh->ibdev_name); 1147 return -1; 1148 } 1149 return 0; 1150 } 1151 1152 /** 1153 * Verify and store value for share device argument. 1154 * 1155 * @param[in] key 1156 * Key argument to verify. 1157 * @param[in] val 1158 * Value associated with key. 1159 * @param opaque 1160 * User data. 1161 * 1162 * @return 1163 * 0 on success, a negative errno value otherwise and rte_errno is set. 1164 */ 1165 static int 1166 mlx5_dev_args_check_handler(const char *key, const char *val, void *opaque) 1167 { 1168 struct mlx5_sh_config *config = opaque; 1169 signed long tmp; 1170 1171 errno = 0; 1172 tmp = strtol(val, NULL, 0); 1173 if (errno) { 1174 rte_errno = errno; 1175 DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val); 1176 return -rte_errno; 1177 } 1178 if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) { 1179 /* Negative values are acceptable for some keys only. */ 1180 rte_errno = EINVAL; 1181 DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val); 1182 return -rte_errno; 1183 } 1184 if (strcmp(MLX5_TX_PP, key) == 0) { 1185 unsigned long mod = tmp >= 0 ? tmp : -tmp; 1186 1187 if (!mod) { 1188 DRV_LOG(ERR, "Zero Tx packet pacing parameter."); 1189 rte_errno = EINVAL; 1190 return -rte_errno; 1191 } 1192 config->tx_pp = tmp; 1193 } else if (strcmp(MLX5_TX_SKEW, key) == 0) { 1194 config->tx_skew = tmp; 1195 } else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) { 1196 config->l3_vxlan_en = !!tmp; 1197 } else if (strcmp(MLX5_VF_NL_EN, key) == 0) { 1198 config->vf_nl_en = !!tmp; 1199 } else if (strcmp(MLX5_DV_ESW_EN, key) == 0) { 1200 config->dv_esw_en = !!tmp; 1201 } else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) { 1202 config->dv_flow_en = !!tmp; 1203 } else if (strcmp(MLX5_DV_XMETA_EN, key) == 0) { 1204 if (tmp != MLX5_XMETA_MODE_LEGACY && 1205 tmp != MLX5_XMETA_MODE_META16 && 1206 tmp != MLX5_XMETA_MODE_META32 && 1207 tmp != MLX5_XMETA_MODE_MISS_INFO) { 1208 DRV_LOG(ERR, "Invalid extensive metadata parameter."); 1209 rte_errno = EINVAL; 1210 return -rte_errno; 1211 } 1212 if (tmp != MLX5_XMETA_MODE_MISS_INFO) 1213 config->dv_xmeta_en = tmp; 1214 else 1215 config->dv_miss_info = 1; 1216 } else if (strcmp(MLX5_LACP_BY_USER, key) == 0) { 1217 config->lacp_by_user = !!tmp; 1218 } else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) { 1219 if (tmp != MLX5_RCM_NONE && 1220 tmp != MLX5_RCM_LIGHT && 1221 tmp != MLX5_RCM_AGGR) { 1222 DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val); 1223 rte_errno = EINVAL; 1224 return -rte_errno; 1225 } 1226 config->reclaim_mode = tmp; 1227 } else if (strcmp(MLX5_DECAP_EN, key) == 0) { 1228 config->decap_en = !!tmp; 1229 } else if (strcmp(MLX5_ALLOW_DUPLICATE_PATTERN, key) == 0) { 1230 config->allow_duplicate_pattern = !!tmp; 1231 } 1232 return 0; 1233 } 1234 1235 /** 1236 * Parse user device parameters and adjust them according to device 1237 * capabilities. 1238 * 1239 * @param sh 1240 * Pointer to shared device context. 1241 * @param mkvlist 1242 * Pointer to mlx5 kvargs control, can be NULL if there is no devargs. 1243 * @param config 1244 * Pointer to shared device configuration structure. 1245 * 1246 * @return 1247 * 0 on success, a negative errno value otherwise and rte_errno is set. 1248 */ 1249 static int 1250 mlx5_shared_dev_ctx_args_config(struct mlx5_dev_ctx_shared *sh, 1251 struct mlx5_kvargs_ctrl *mkvlist, 1252 struct mlx5_sh_config *config) 1253 { 1254 const char **params = (const char *[]){ 1255 MLX5_TX_PP, 1256 MLX5_TX_SKEW, 1257 MLX5_L3_VXLAN_EN, 1258 MLX5_VF_NL_EN, 1259 MLX5_DV_ESW_EN, 1260 MLX5_DV_FLOW_EN, 1261 MLX5_DV_XMETA_EN, 1262 MLX5_LACP_BY_USER, 1263 MLX5_RECLAIM_MEM, 1264 MLX5_DECAP_EN, 1265 MLX5_ALLOW_DUPLICATE_PATTERN, 1266 NULL, 1267 }; 1268 int ret = 0; 1269 1270 /* Default configuration. */ 1271 memset(config, 0, sizeof(*config)); 1272 config->vf_nl_en = 1; 1273 config->dv_esw_en = 1; 1274 config->dv_flow_en = 1; 1275 config->decap_en = 1; 1276 config->allow_duplicate_pattern = 1; 1277 if (mkvlist != NULL) { 1278 /* Process parameters. */ 1279 ret = mlx5_kvargs_process(mkvlist, params, 1280 mlx5_dev_args_check_handler, config); 1281 if (ret) { 1282 DRV_LOG(ERR, "Failed to process device arguments: %s", 1283 strerror(rte_errno)); 1284 return -rte_errno; 1285 } 1286 } 1287 /* Adjust parameters according to device capabilities. */ 1288 if (config->dv_flow_en && !sh->dev_cap.dv_flow_en) { 1289 DRV_LOG(WARNING, "DV flow is not supported."); 1290 config->dv_flow_en = 0; 1291 } 1292 if (config->dv_esw_en && !sh->dev_cap.dv_esw_en) { 1293 DRV_LOG(DEBUG, "E-Switch DV flow is not supported."); 1294 config->dv_esw_en = 0; 1295 } 1296 if (config->dv_miss_info && config->dv_esw_en) 1297 config->dv_xmeta_en = MLX5_XMETA_MODE_META16; 1298 if (!config->dv_esw_en && 1299 config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) { 1300 DRV_LOG(WARNING, 1301 "Metadata mode %u is not supported (no E-Switch).", 1302 config->dv_xmeta_en); 1303 config->dv_xmeta_en = MLX5_XMETA_MODE_LEGACY; 1304 } 1305 if (config->tx_pp && !sh->dev_cap.txpp_en) { 1306 DRV_LOG(ERR, "Packet pacing is not supported."); 1307 rte_errno = ENODEV; 1308 return -rte_errno; 1309 } 1310 if (!config->tx_pp && config->tx_skew) { 1311 DRV_LOG(WARNING, 1312 "\"tx_skew\" doesn't affect without \"tx_pp\"."); 1313 } 1314 /* 1315 * If HW has bug working with tunnel packet decapsulation and scatter 1316 * FCS, and decapsulation is needed, clear the hw_fcs_strip bit. 1317 * Then RTE_ETH_RX_OFFLOAD_KEEP_CRC bit will not be set anymore. 1318 */ 1319 if (sh->dev_cap.scatter_fcs_w_decap_disable && sh->config.decap_en) 1320 config->hw_fcs_strip = 0; 1321 else 1322 config->hw_fcs_strip = sh->dev_cap.hw_fcs_strip; 1323 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported", 1324 (config->hw_fcs_strip ? "" : "not ")); 1325 DRV_LOG(DEBUG, "\"tx_pp\" is %d.", config->tx_pp); 1326 DRV_LOG(DEBUG, "\"tx_skew\" is %d.", config->tx_skew); 1327 DRV_LOG(DEBUG, "\"reclaim_mode\" is %u.", config->reclaim_mode); 1328 DRV_LOG(DEBUG, "\"dv_esw_en\" is %u.", config->dv_esw_en); 1329 DRV_LOG(DEBUG, "\"dv_flow_en\" is %u.", config->dv_flow_en); 1330 DRV_LOG(DEBUG, "\"dv_xmeta_en\" is %u.", config->dv_xmeta_en); 1331 DRV_LOG(DEBUG, "\"dv_miss_info\" is %u.", config->dv_miss_info); 1332 DRV_LOG(DEBUG, "\"l3_vxlan_en\" is %u.", config->l3_vxlan_en); 1333 DRV_LOG(DEBUG, "\"vf_nl_en\" is %u.", config->vf_nl_en); 1334 DRV_LOG(DEBUG, "\"lacp_by_user\" is %u.", config->lacp_by_user); 1335 DRV_LOG(DEBUG, "\"decap_en\" is %u.", config->decap_en); 1336 DRV_LOG(DEBUG, "\"allow_duplicate_pattern\" is %u.", 1337 config->allow_duplicate_pattern); 1338 return 0; 1339 } 1340 1341 /** 1342 * Configure realtime timestamp format. 1343 * 1344 * @param sh 1345 * Pointer to mlx5_dev_ctx_shared object. 1346 * @param hca_attr 1347 * Pointer to DevX HCA capabilities structure. 1348 */ 1349 void 1350 mlx5_rt_timestamp_config(struct mlx5_dev_ctx_shared *sh, 1351 struct mlx5_hca_attr *hca_attr) 1352 { 1353 uint32_t dw_cnt = MLX5_ST_SZ_DW(register_mtutc); 1354 uint32_t reg[dw_cnt]; 1355 int ret = ENOTSUP; 1356 1357 if (hca_attr->access_register_user) 1358 ret = mlx5_devx_cmd_register_read(sh->cdev->ctx, 1359 MLX5_REGISTER_ID_MTUTC, 0, 1360 reg, dw_cnt); 1361 if (!ret) { 1362 uint32_t ts_mode; 1363 1364 /* MTUTC register is read successfully. */ 1365 ts_mode = MLX5_GET(register_mtutc, reg, time_stamp_mode); 1366 if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME) 1367 sh->dev_cap.rt_timestamp = 1; 1368 } else { 1369 /* Kernel does not support register reading. */ 1370 if (hca_attr->dev_freq_khz == (NS_PER_S / MS_PER_S)) 1371 sh->dev_cap.rt_timestamp = 1; 1372 } 1373 } 1374 1375 /** 1376 * Allocate shared device context. If there is multiport device the 1377 * master and representors will share this context, if there is single 1378 * port dedicated device, the context will be used by only given 1379 * port due to unification. 1380 * 1381 * Routine first searches the context for the specified device name, 1382 * if found the shared context assumed and reference counter is incremented. 1383 * If no context found the new one is created and initialized with specified 1384 * device context and parameters. 1385 * 1386 * @param[in] spawn 1387 * Pointer to the device attributes (name, port, etc). 1388 * @param mkvlist 1389 * Pointer to mlx5 kvargs control, can be NULL if there is no devargs. 1390 * 1391 * @return 1392 * Pointer to mlx5_dev_ctx_shared object on success, 1393 * otherwise NULL and rte_errno is set. 1394 */ 1395 struct mlx5_dev_ctx_shared * 1396 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn, 1397 struct mlx5_kvargs_ctrl *mkvlist) 1398 { 1399 struct mlx5_dev_ctx_shared *sh; 1400 int err = 0; 1401 uint32_t i; 1402 1403 MLX5_ASSERT(spawn); 1404 /* Secondary process should not create the shared context. */ 1405 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY); 1406 pthread_mutex_lock(&mlx5_dev_ctx_list_mutex); 1407 /* Search for IB context by device name. */ 1408 LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) { 1409 if (!strcmp(sh->ibdev_name, spawn->phys_dev_name)) { 1410 sh->refcnt++; 1411 goto exit; 1412 } 1413 } 1414 /* No device found, we have to create new shared context. */ 1415 MLX5_ASSERT(spawn->max_port); 1416 sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE, 1417 sizeof(struct mlx5_dev_ctx_shared) + 1418 spawn->max_port * sizeof(struct mlx5_dev_shared_port), 1419 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); 1420 if (!sh) { 1421 DRV_LOG(ERR, "Shared context allocation failure."); 1422 rte_errno = ENOMEM; 1423 goto exit; 1424 } 1425 pthread_mutex_init(&sh->txpp.mutex, NULL); 1426 sh->numa_node = spawn->cdev->dev->numa_node; 1427 sh->cdev = spawn->cdev; 1428 sh->esw_mode = !!(spawn->info.master || spawn->info.representor); 1429 if (spawn->bond_info) 1430 sh->bond = *spawn->bond_info; 1431 err = mlx5_os_capabilities_prepare(sh); 1432 if (err) { 1433 DRV_LOG(ERR, "Fail to configure device capabilities."); 1434 goto error; 1435 } 1436 err = mlx5_shared_dev_ctx_args_config(sh, mkvlist, &sh->config); 1437 if (err) { 1438 DRV_LOG(ERR, "Failed to process device configure: %s", 1439 strerror(rte_errno)); 1440 goto error; 1441 } 1442 sh->refcnt = 1; 1443 sh->max_port = spawn->max_port; 1444 strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->cdev->ctx), 1445 sizeof(sh->ibdev_name) - 1); 1446 strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->cdev->ctx), 1447 sizeof(sh->ibdev_path) - 1); 1448 /* 1449 * Setting port_id to max unallowed value means there is no interrupt 1450 * subhandler installed for the given port index i. 1451 */ 1452 for (i = 0; i < sh->max_port; i++) { 1453 sh->port[i].ih_port_id = RTE_MAX_ETHPORTS; 1454 sh->port[i].devx_ih_port_id = RTE_MAX_ETHPORTS; 1455 } 1456 if (sh->cdev->config.devx) { 1457 sh->td = mlx5_devx_cmd_create_td(sh->cdev->ctx); 1458 if (!sh->td) { 1459 DRV_LOG(ERR, "TD allocation failure"); 1460 rte_errno = ENOMEM; 1461 goto error; 1462 } 1463 if (mlx5_setup_tis(sh)) { 1464 DRV_LOG(ERR, "TIS allocation failure"); 1465 rte_errno = ENOMEM; 1466 goto error; 1467 } 1468 err = mlx5_rxtx_uars_prepare(sh); 1469 if (err) 1470 goto error; 1471 #ifndef RTE_ARCH_64 1472 } else { 1473 /* Initialize UAR access locks for 32bit implementations. */ 1474 rte_spinlock_init(&sh->uar_lock_cq); 1475 for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++) 1476 rte_spinlock_init(&sh->uar_lock[i]); 1477 #endif 1478 } 1479 mlx5_os_dev_shared_handler_install(sh); 1480 if (LIST_EMPTY(&mlx5_dev_ctx_list)) { 1481 err = mlx5_flow_os_init_workspace_once(); 1482 if (err) 1483 goto error; 1484 } 1485 mlx5_flow_aging_init(sh); 1486 mlx5_flow_counters_mng_init(sh); 1487 mlx5_flow_ipool_create(sh); 1488 /* Add context to the global device list. */ 1489 LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next); 1490 rte_spinlock_init(&sh->geneve_tlv_opt_sl); 1491 exit: 1492 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex); 1493 return sh; 1494 error: 1495 err = rte_errno; 1496 pthread_mutex_destroy(&sh->txpp.mutex); 1497 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex); 1498 MLX5_ASSERT(sh); 1499 mlx5_rxtx_uars_release(sh); 1500 i = 0; 1501 do { 1502 if (sh->tis[i]) 1503 claim_zero(mlx5_devx_cmd_destroy(sh->tis[i])); 1504 } while (++i < (uint32_t)sh->bond.n_port); 1505 if (sh->td) 1506 claim_zero(mlx5_devx_cmd_destroy(sh->td)); 1507 mlx5_free(sh); 1508 rte_errno = err; 1509 return NULL; 1510 } 1511 1512 /** 1513 * Free shared IB device context. Decrement counter and if zero free 1514 * all allocated resources and close handles. 1515 * 1516 * @param[in] sh 1517 * Pointer to mlx5_dev_ctx_shared object to free 1518 */ 1519 void 1520 mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh) 1521 { 1522 int ret; 1523 int i = 0; 1524 1525 pthread_mutex_lock(&mlx5_dev_ctx_list_mutex); 1526 #ifdef RTE_LIBRTE_MLX5_DEBUG 1527 /* Check the object presence in the list. */ 1528 struct mlx5_dev_ctx_shared *lctx; 1529 1530 LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next) 1531 if (lctx == sh) 1532 break; 1533 MLX5_ASSERT(lctx); 1534 if (lctx != sh) { 1535 DRV_LOG(ERR, "Freeing non-existing shared IB context"); 1536 goto exit; 1537 } 1538 #endif 1539 MLX5_ASSERT(sh); 1540 MLX5_ASSERT(sh->refcnt); 1541 /* Secondary process should not free the shared context. */ 1542 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY); 1543 if (--sh->refcnt) 1544 goto exit; 1545 /* Stop watching for mempool events and unregister all mempools. */ 1546 if (!sh->cdev->config.mr_mempool_reg_en) { 1547 ret = rte_mempool_event_callback_unregister 1548 (mlx5_dev_ctx_shared_rx_mempool_event_cb, sh); 1549 if (ret == 0) 1550 rte_mempool_walk 1551 (mlx5_dev_ctx_shared_rx_mempool_unregister_cb, sh); 1552 } 1553 /* Remove context from the global device list. */ 1554 LIST_REMOVE(sh, next); 1555 /* Release resources on the last device removal. */ 1556 if (LIST_EMPTY(&mlx5_dev_ctx_list)) { 1557 mlx5_os_net_cleanup(); 1558 mlx5_flow_os_release_workspace(); 1559 } 1560 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex); 1561 if (sh->flex_parsers_dv) { 1562 mlx5_list_destroy(sh->flex_parsers_dv); 1563 sh->flex_parsers_dv = NULL; 1564 } 1565 /* 1566 * Ensure there is no async event handler installed. 1567 * Only primary process handles async device events. 1568 **/ 1569 mlx5_flow_counters_mng_close(sh); 1570 if (sh->ct_mng) 1571 mlx5_flow_aso_ct_mng_close(sh); 1572 if (sh->aso_age_mng) { 1573 mlx5_flow_aso_age_mng_close(sh); 1574 sh->aso_age_mng = NULL; 1575 } 1576 if (sh->mtrmng) 1577 mlx5_aso_flow_mtrs_mng_close(sh); 1578 mlx5_flow_ipool_destroy(sh); 1579 mlx5_os_dev_shared_handler_uninstall(sh); 1580 mlx5_rxtx_uars_release(sh); 1581 do { 1582 if (sh->tis[i]) 1583 claim_zero(mlx5_devx_cmd_destroy(sh->tis[i])); 1584 } while (++i < sh->bond.n_port); 1585 if (sh->td) 1586 claim_zero(mlx5_devx_cmd_destroy(sh->td)); 1587 MLX5_ASSERT(sh->geneve_tlv_option_resource == NULL); 1588 pthread_mutex_destroy(&sh->txpp.mutex); 1589 mlx5_free(sh); 1590 return; 1591 exit: 1592 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex); 1593 } 1594 1595 /** 1596 * Destroy table hash list. 1597 * 1598 * @param[in] priv 1599 * Pointer to the private device data structure. 1600 */ 1601 void 1602 mlx5_free_table_hash_list(struct mlx5_priv *priv) 1603 { 1604 struct mlx5_dev_ctx_shared *sh = priv->sh; 1605 1606 if (!sh->flow_tbls) 1607 return; 1608 mlx5_hlist_destroy(sh->flow_tbls); 1609 sh->flow_tbls = NULL; 1610 } 1611 1612 /** 1613 * Initialize flow table hash list and create the root tables entry 1614 * for each domain. 1615 * 1616 * @param[in] priv 1617 * Pointer to the private device data structure. 1618 * 1619 * @return 1620 * Zero on success, positive error code otherwise. 1621 */ 1622 int 1623 mlx5_alloc_table_hash_list(struct mlx5_priv *priv __rte_unused) 1624 { 1625 int err = 0; 1626 /* Tables are only used in DV and DR modes. */ 1627 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H) 1628 struct mlx5_dev_ctx_shared *sh = priv->sh; 1629 char s[MLX5_NAME_SIZE]; 1630 1631 MLX5_ASSERT(sh); 1632 snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name); 1633 sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE, 1634 false, true, sh, 1635 flow_dv_tbl_create_cb, 1636 flow_dv_tbl_match_cb, 1637 flow_dv_tbl_remove_cb, 1638 flow_dv_tbl_clone_cb, 1639 flow_dv_tbl_clone_free_cb); 1640 if (!sh->flow_tbls) { 1641 DRV_LOG(ERR, "flow tables with hash creation failed."); 1642 err = ENOMEM; 1643 return err; 1644 } 1645 #ifndef HAVE_MLX5DV_DR 1646 struct rte_flow_error error; 1647 struct rte_eth_dev *dev = &rte_eth_devices[priv->dev_data->port_id]; 1648 1649 /* 1650 * In case we have not DR support, the zero tables should be created 1651 * because DV expect to see them even if they cannot be created by 1652 * RDMA-CORE. 1653 */ 1654 if (!flow_dv_tbl_resource_get(dev, 0, 0, 0, 0, 1655 NULL, 0, 1, 0, &error) || 1656 !flow_dv_tbl_resource_get(dev, 0, 1, 0, 0, 1657 NULL, 0, 1, 0, &error) || 1658 !flow_dv_tbl_resource_get(dev, 0, 0, 1, 0, 1659 NULL, 0, 1, 0, &error)) { 1660 err = ENOMEM; 1661 goto error; 1662 } 1663 return err; 1664 error: 1665 mlx5_free_table_hash_list(priv); 1666 #endif /* HAVE_MLX5DV_DR */ 1667 #endif 1668 return err; 1669 } 1670 1671 /** 1672 * Retrieve integer value from environment variable. 1673 * 1674 * @param[in] name 1675 * Environment variable name. 1676 * 1677 * @return 1678 * Integer value, 0 if the variable is not set. 1679 */ 1680 int 1681 mlx5_getenv_int(const char *name) 1682 { 1683 const char *val = getenv(name); 1684 1685 if (val == NULL) 1686 return 0; 1687 return atoi(val); 1688 } 1689 1690 /** 1691 * DPDK callback to add udp tunnel port 1692 * 1693 * @param[in] dev 1694 * A pointer to eth_dev 1695 * @param[in] udp_tunnel 1696 * A pointer to udp tunnel 1697 * 1698 * @return 1699 * 0 on valid udp ports and tunnels, -ENOTSUP otherwise. 1700 */ 1701 int 1702 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused, 1703 struct rte_eth_udp_tunnel *udp_tunnel) 1704 { 1705 MLX5_ASSERT(udp_tunnel != NULL); 1706 if (udp_tunnel->prot_type == RTE_ETH_TUNNEL_TYPE_VXLAN && 1707 udp_tunnel->udp_port == 4789) 1708 return 0; 1709 if (udp_tunnel->prot_type == RTE_ETH_TUNNEL_TYPE_VXLAN_GPE && 1710 udp_tunnel->udp_port == 4790) 1711 return 0; 1712 return -ENOTSUP; 1713 } 1714 1715 /** 1716 * Initialize process private data structure. 1717 * 1718 * @param dev 1719 * Pointer to Ethernet device structure. 1720 * 1721 * @return 1722 * 0 on success, a negative errno value otherwise and rte_errno is set. 1723 */ 1724 int 1725 mlx5_proc_priv_init(struct rte_eth_dev *dev) 1726 { 1727 struct mlx5_priv *priv = dev->data->dev_private; 1728 struct mlx5_proc_priv *ppriv; 1729 size_t ppriv_size; 1730 1731 mlx5_proc_priv_uninit(dev); 1732 /* 1733 * UAR register table follows the process private structure. BlueFlame 1734 * registers for Tx queues are stored in the table. 1735 */ 1736 ppriv_size = sizeof(struct mlx5_proc_priv) + 1737 priv->txqs_n * sizeof(struct mlx5_uar_data); 1738 ppriv = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, ppriv_size, 1739 RTE_CACHE_LINE_SIZE, dev->device->numa_node); 1740 if (!ppriv) { 1741 rte_errno = ENOMEM; 1742 return -rte_errno; 1743 } 1744 ppriv->uar_table_sz = priv->txqs_n; 1745 dev->process_private = ppriv; 1746 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 1747 priv->sh->pppriv = ppriv; 1748 return 0; 1749 } 1750 1751 /** 1752 * Un-initialize process private data structure. 1753 * 1754 * @param dev 1755 * Pointer to Ethernet device structure. 1756 */ 1757 void 1758 mlx5_proc_priv_uninit(struct rte_eth_dev *dev) 1759 { 1760 if (!dev->process_private) 1761 return; 1762 mlx5_free(dev->process_private); 1763 dev->process_private = NULL; 1764 } 1765 1766 /** 1767 * DPDK callback to close the device. 1768 * 1769 * Destroy all queues and objects, free memory. 1770 * 1771 * @param dev 1772 * Pointer to Ethernet device structure. 1773 */ 1774 int 1775 mlx5_dev_close(struct rte_eth_dev *dev) 1776 { 1777 struct mlx5_priv *priv = dev->data->dev_private; 1778 unsigned int i; 1779 int ret; 1780 1781 if (rte_eal_process_type() == RTE_PROC_SECONDARY) { 1782 /* Check if process_private released. */ 1783 if (!dev->process_private) 1784 return 0; 1785 mlx5_tx_uar_uninit_secondary(dev); 1786 mlx5_proc_priv_uninit(dev); 1787 rte_eth_dev_release_port(dev); 1788 return 0; 1789 } 1790 if (!priv->sh) 1791 return 0; 1792 DRV_LOG(DEBUG, "port %u closing device \"%s\"", 1793 dev->data->port_id, 1794 ((priv->sh->cdev->ctx != NULL) ? 1795 mlx5_os_get_ctx_device_name(priv->sh->cdev->ctx) : "")); 1796 /* 1797 * If default mreg copy action is removed at the stop stage, 1798 * the search will return none and nothing will be done anymore. 1799 */ 1800 mlx5_flow_stop_default(dev); 1801 mlx5_traffic_disable(dev); 1802 /* 1803 * If all the flows are already flushed in the device stop stage, 1804 * then this will return directly without any action. 1805 */ 1806 mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, true); 1807 mlx5_action_handle_flush(dev); 1808 mlx5_flow_meter_flush(dev, NULL); 1809 /* Prevent crashes when queues are still in use. */ 1810 dev->rx_pkt_burst = rte_eth_pkt_burst_dummy; 1811 dev->tx_pkt_burst = rte_eth_pkt_burst_dummy; 1812 rte_wmb(); 1813 /* Disable datapath on secondary process. */ 1814 mlx5_mp_os_req_stop_rxtx(dev); 1815 /* Free the eCPRI flex parser resource. */ 1816 mlx5_flex_parser_ecpri_release(dev); 1817 mlx5_flex_item_port_cleanup(dev); 1818 if (priv->rxq_privs != NULL) { 1819 /* XXX race condition if mlx5_rx_burst() is still running. */ 1820 rte_delay_us_sleep(1000); 1821 for (i = 0; (i != priv->rxqs_n); ++i) 1822 mlx5_rxq_release(dev, i); 1823 priv->rxqs_n = 0; 1824 mlx5_free(priv->rxq_privs); 1825 priv->rxq_privs = NULL; 1826 } 1827 if (priv->txqs != NULL) { 1828 /* XXX race condition if mlx5_tx_burst() is still running. */ 1829 rte_delay_us_sleep(1000); 1830 for (i = 0; (i != priv->txqs_n); ++i) 1831 mlx5_txq_release(dev, i); 1832 priv->txqs_n = 0; 1833 priv->txqs = NULL; 1834 } 1835 mlx5_proc_priv_uninit(dev); 1836 if (priv->q_counters) { 1837 mlx5_devx_cmd_destroy(priv->q_counters); 1838 priv->q_counters = NULL; 1839 } 1840 if (priv->drop_queue.hrxq) 1841 mlx5_drop_action_destroy(dev); 1842 if (priv->mreg_cp_tbl) 1843 mlx5_hlist_destroy(priv->mreg_cp_tbl); 1844 mlx5_mprq_free_mp(dev); 1845 mlx5_os_free_shared_dr(priv); 1846 if (priv->rss_conf.rss_key != NULL) 1847 mlx5_free(priv->rss_conf.rss_key); 1848 if (priv->reta_idx != NULL) 1849 mlx5_free(priv->reta_idx); 1850 if (priv->sh->dev_cap.vf) 1851 mlx5_os_mac_addr_flush(dev); 1852 if (priv->nl_socket_route >= 0) 1853 close(priv->nl_socket_route); 1854 if (priv->nl_socket_rdma >= 0) 1855 close(priv->nl_socket_rdma); 1856 if (priv->vmwa_context) 1857 mlx5_vlan_vmwa_exit(priv->vmwa_context); 1858 ret = mlx5_hrxq_verify(dev); 1859 if (ret) 1860 DRV_LOG(WARNING, "port %u some hash Rx queue still remain", 1861 dev->data->port_id); 1862 ret = mlx5_ind_table_obj_verify(dev); 1863 if (ret) 1864 DRV_LOG(WARNING, "port %u some indirection table still remain", 1865 dev->data->port_id); 1866 ret = mlx5_rxq_obj_verify(dev); 1867 if (ret) 1868 DRV_LOG(WARNING, "port %u some Rx queue objects still remain", 1869 dev->data->port_id); 1870 ret = mlx5_rxq_verify(dev); 1871 if (ret) 1872 DRV_LOG(WARNING, "port %u some Rx queues still remain", 1873 dev->data->port_id); 1874 ret = mlx5_txq_obj_verify(dev); 1875 if (ret) 1876 DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain", 1877 dev->data->port_id); 1878 ret = mlx5_txq_verify(dev); 1879 if (ret) 1880 DRV_LOG(WARNING, "port %u some Tx queues still remain", 1881 dev->data->port_id); 1882 ret = mlx5_flow_verify(dev); 1883 if (ret) 1884 DRV_LOG(WARNING, "port %u some flows still remain", 1885 dev->data->port_id); 1886 if (priv->hrxqs) 1887 mlx5_list_destroy(priv->hrxqs); 1888 /* 1889 * Free the shared context in last turn, because the cleanup 1890 * routines above may use some shared fields, like 1891 * mlx5_os_mac_addr_flush() uses ibdev_path for retrieving 1892 * ifindex if Netlink fails. 1893 */ 1894 mlx5_free_shared_dev_ctx(priv->sh); 1895 if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) { 1896 unsigned int c = 0; 1897 uint16_t port_id; 1898 1899 MLX5_ETH_FOREACH_DEV(port_id, dev->device) { 1900 struct mlx5_priv *opriv = 1901 rte_eth_devices[port_id].data->dev_private; 1902 1903 if (!opriv || 1904 opriv->domain_id != priv->domain_id || 1905 &rte_eth_devices[port_id] == dev) 1906 continue; 1907 ++c; 1908 break; 1909 } 1910 if (!c) 1911 claim_zero(rte_eth_switch_domain_free(priv->domain_id)); 1912 } 1913 memset(priv, 0, sizeof(*priv)); 1914 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID; 1915 /* 1916 * Reset mac_addrs to NULL such that it is not freed as part of 1917 * rte_eth_dev_release_port(). mac_addrs is part of dev_private so 1918 * it is freed when dev_private is freed. 1919 */ 1920 dev->data->mac_addrs = NULL; 1921 return 0; 1922 } 1923 1924 const struct eth_dev_ops mlx5_dev_ops = { 1925 .dev_configure = mlx5_dev_configure, 1926 .dev_start = mlx5_dev_start, 1927 .dev_stop = mlx5_dev_stop, 1928 .dev_set_link_down = mlx5_set_link_down, 1929 .dev_set_link_up = mlx5_set_link_up, 1930 .dev_close = mlx5_dev_close, 1931 .promiscuous_enable = mlx5_promiscuous_enable, 1932 .promiscuous_disable = mlx5_promiscuous_disable, 1933 .allmulticast_enable = mlx5_allmulticast_enable, 1934 .allmulticast_disable = mlx5_allmulticast_disable, 1935 .link_update = mlx5_link_update, 1936 .stats_get = mlx5_stats_get, 1937 .stats_reset = mlx5_stats_reset, 1938 .xstats_get = mlx5_xstats_get, 1939 .xstats_reset = mlx5_xstats_reset, 1940 .xstats_get_names = mlx5_xstats_get_names, 1941 .fw_version_get = mlx5_fw_version_get, 1942 .dev_infos_get = mlx5_dev_infos_get, 1943 .representor_info_get = mlx5_representor_info_get, 1944 .read_clock = mlx5_txpp_read_clock, 1945 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get, 1946 .vlan_filter_set = mlx5_vlan_filter_set, 1947 .rx_queue_setup = mlx5_rx_queue_setup, 1948 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup, 1949 .tx_queue_setup = mlx5_tx_queue_setup, 1950 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup, 1951 .rx_queue_release = mlx5_rx_queue_release, 1952 .tx_queue_release = mlx5_tx_queue_release, 1953 .rx_queue_start = mlx5_rx_queue_start, 1954 .rx_queue_stop = mlx5_rx_queue_stop, 1955 .tx_queue_start = mlx5_tx_queue_start, 1956 .tx_queue_stop = mlx5_tx_queue_stop, 1957 .flow_ctrl_get = mlx5_dev_get_flow_ctrl, 1958 .flow_ctrl_set = mlx5_dev_set_flow_ctrl, 1959 .mac_addr_remove = mlx5_mac_addr_remove, 1960 .mac_addr_add = mlx5_mac_addr_add, 1961 .mac_addr_set = mlx5_mac_addr_set, 1962 .set_mc_addr_list = mlx5_set_mc_addr_list, 1963 .mtu_set = mlx5_dev_set_mtu, 1964 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set, 1965 .vlan_offload_set = mlx5_vlan_offload_set, 1966 .reta_update = mlx5_dev_rss_reta_update, 1967 .reta_query = mlx5_dev_rss_reta_query, 1968 .rss_hash_update = mlx5_rss_hash_update, 1969 .rss_hash_conf_get = mlx5_rss_hash_conf_get, 1970 .flow_ops_get = mlx5_flow_ops_get, 1971 .rxq_info_get = mlx5_rxq_info_get, 1972 .txq_info_get = mlx5_txq_info_get, 1973 .rx_burst_mode_get = mlx5_rx_burst_mode_get, 1974 .tx_burst_mode_get = mlx5_tx_burst_mode_get, 1975 .rx_queue_intr_enable = mlx5_rx_intr_enable, 1976 .rx_queue_intr_disable = mlx5_rx_intr_disable, 1977 .is_removed = mlx5_is_removed, 1978 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add, 1979 .get_module_info = mlx5_get_module_info, 1980 .get_module_eeprom = mlx5_get_module_eeprom, 1981 .hairpin_cap_get = mlx5_hairpin_cap_get, 1982 .mtr_ops_get = mlx5_flow_meter_ops_get, 1983 .hairpin_bind = mlx5_hairpin_bind, 1984 .hairpin_unbind = mlx5_hairpin_unbind, 1985 .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports, 1986 .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update, 1987 .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind, 1988 .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind, 1989 .get_monitor_addr = mlx5_get_monitor_addr, 1990 }; 1991 1992 /* Available operations from secondary process. */ 1993 const struct eth_dev_ops mlx5_dev_sec_ops = { 1994 .stats_get = mlx5_stats_get, 1995 .stats_reset = mlx5_stats_reset, 1996 .xstats_get = mlx5_xstats_get, 1997 .xstats_reset = mlx5_xstats_reset, 1998 .xstats_get_names = mlx5_xstats_get_names, 1999 .fw_version_get = mlx5_fw_version_get, 2000 .dev_infos_get = mlx5_dev_infos_get, 2001 .representor_info_get = mlx5_representor_info_get, 2002 .read_clock = mlx5_txpp_read_clock, 2003 .rx_queue_start = mlx5_rx_queue_start, 2004 .rx_queue_stop = mlx5_rx_queue_stop, 2005 .tx_queue_start = mlx5_tx_queue_start, 2006 .tx_queue_stop = mlx5_tx_queue_stop, 2007 .rxq_info_get = mlx5_rxq_info_get, 2008 .txq_info_get = mlx5_txq_info_get, 2009 .rx_burst_mode_get = mlx5_rx_burst_mode_get, 2010 .tx_burst_mode_get = mlx5_tx_burst_mode_get, 2011 .get_module_info = mlx5_get_module_info, 2012 .get_module_eeprom = mlx5_get_module_eeprom, 2013 }; 2014 2015 /* Available operations in flow isolated mode. */ 2016 const struct eth_dev_ops mlx5_dev_ops_isolate = { 2017 .dev_configure = mlx5_dev_configure, 2018 .dev_start = mlx5_dev_start, 2019 .dev_stop = mlx5_dev_stop, 2020 .dev_set_link_down = mlx5_set_link_down, 2021 .dev_set_link_up = mlx5_set_link_up, 2022 .dev_close = mlx5_dev_close, 2023 .promiscuous_enable = mlx5_promiscuous_enable, 2024 .promiscuous_disable = mlx5_promiscuous_disable, 2025 .allmulticast_enable = mlx5_allmulticast_enable, 2026 .allmulticast_disable = mlx5_allmulticast_disable, 2027 .link_update = mlx5_link_update, 2028 .stats_get = mlx5_stats_get, 2029 .stats_reset = mlx5_stats_reset, 2030 .xstats_get = mlx5_xstats_get, 2031 .xstats_reset = mlx5_xstats_reset, 2032 .xstats_get_names = mlx5_xstats_get_names, 2033 .fw_version_get = mlx5_fw_version_get, 2034 .dev_infos_get = mlx5_dev_infos_get, 2035 .representor_info_get = mlx5_representor_info_get, 2036 .read_clock = mlx5_txpp_read_clock, 2037 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get, 2038 .vlan_filter_set = mlx5_vlan_filter_set, 2039 .rx_queue_setup = mlx5_rx_queue_setup, 2040 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup, 2041 .tx_queue_setup = mlx5_tx_queue_setup, 2042 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup, 2043 .rx_queue_release = mlx5_rx_queue_release, 2044 .tx_queue_release = mlx5_tx_queue_release, 2045 .rx_queue_start = mlx5_rx_queue_start, 2046 .rx_queue_stop = mlx5_rx_queue_stop, 2047 .tx_queue_start = mlx5_tx_queue_start, 2048 .tx_queue_stop = mlx5_tx_queue_stop, 2049 .flow_ctrl_get = mlx5_dev_get_flow_ctrl, 2050 .flow_ctrl_set = mlx5_dev_set_flow_ctrl, 2051 .mac_addr_remove = mlx5_mac_addr_remove, 2052 .mac_addr_add = mlx5_mac_addr_add, 2053 .mac_addr_set = mlx5_mac_addr_set, 2054 .set_mc_addr_list = mlx5_set_mc_addr_list, 2055 .mtu_set = mlx5_dev_set_mtu, 2056 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set, 2057 .vlan_offload_set = mlx5_vlan_offload_set, 2058 .flow_ops_get = mlx5_flow_ops_get, 2059 .rxq_info_get = mlx5_rxq_info_get, 2060 .txq_info_get = mlx5_txq_info_get, 2061 .rx_burst_mode_get = mlx5_rx_burst_mode_get, 2062 .tx_burst_mode_get = mlx5_tx_burst_mode_get, 2063 .rx_queue_intr_enable = mlx5_rx_intr_enable, 2064 .rx_queue_intr_disable = mlx5_rx_intr_disable, 2065 .is_removed = mlx5_is_removed, 2066 .get_module_info = mlx5_get_module_info, 2067 .get_module_eeprom = mlx5_get_module_eeprom, 2068 .hairpin_cap_get = mlx5_hairpin_cap_get, 2069 .mtr_ops_get = mlx5_flow_meter_ops_get, 2070 .hairpin_bind = mlx5_hairpin_bind, 2071 .hairpin_unbind = mlx5_hairpin_unbind, 2072 .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports, 2073 .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update, 2074 .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind, 2075 .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind, 2076 .get_monitor_addr = mlx5_get_monitor_addr, 2077 }; 2078 2079 /** 2080 * Verify and store value for device argument. 2081 * 2082 * @param[in] key 2083 * Key argument to verify. 2084 * @param[in] val 2085 * Value associated with key. 2086 * @param opaque 2087 * User data. 2088 * 2089 * @return 2090 * 0 on success, a negative errno value otherwise and rte_errno is set. 2091 */ 2092 static int 2093 mlx5_port_args_check_handler(const char *key, const char *val, void *opaque) 2094 { 2095 struct mlx5_port_config *config = opaque; 2096 signed long tmp; 2097 2098 /* No-op, port representors are processed in mlx5_dev_spawn(). */ 2099 if (!strcmp(MLX5_REPRESENTOR, key)) 2100 return 0; 2101 errno = 0; 2102 tmp = strtol(val, NULL, 0); 2103 if (errno) { 2104 rte_errno = errno; 2105 DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val); 2106 return -rte_errno; 2107 } 2108 if (tmp < 0) { 2109 /* Negative values are acceptable for some keys only. */ 2110 rte_errno = EINVAL; 2111 DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val); 2112 return -rte_errno; 2113 } 2114 if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) { 2115 if (tmp > MLX5_CQE_RESP_FORMAT_L34H_STRIDX) { 2116 DRV_LOG(ERR, "invalid CQE compression " 2117 "format parameter"); 2118 rte_errno = EINVAL; 2119 return -rte_errno; 2120 } 2121 config->cqe_comp = !!tmp; 2122 config->cqe_comp_fmt = tmp; 2123 } else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) { 2124 config->hw_padding = !!tmp; 2125 } else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) { 2126 config->mprq.enabled = !!tmp; 2127 } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) { 2128 config->mprq.log_stride_num = tmp; 2129 } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) { 2130 config->mprq.log_stride_size = tmp; 2131 } else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) { 2132 config->mprq.max_memcpy_len = tmp; 2133 } else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) { 2134 config->mprq.min_rxqs_num = tmp; 2135 } else if (strcmp(MLX5_TXQ_INLINE, key) == 0) { 2136 DRV_LOG(WARNING, "%s: deprecated parameter," 2137 " converted to txq_inline_max", key); 2138 config->txq_inline_max = tmp; 2139 } else if (strcmp(MLX5_TXQ_INLINE_MAX, key) == 0) { 2140 config->txq_inline_max = tmp; 2141 } else if (strcmp(MLX5_TXQ_INLINE_MIN, key) == 0) { 2142 config->txq_inline_min = tmp; 2143 } else if (strcmp(MLX5_TXQ_INLINE_MPW, key) == 0) { 2144 config->txq_inline_mpw = tmp; 2145 } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) { 2146 config->txqs_inline = tmp; 2147 } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) { 2148 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key); 2149 } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) { 2150 config->mps = !!tmp; 2151 } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) { 2152 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key); 2153 } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) { 2154 DRV_LOG(WARNING, "%s: deprecated parameter," 2155 " converted to txq_inline_mpw", key); 2156 config->txq_inline_mpw = tmp; 2157 } else if (strcmp(MLX5_TX_VEC_EN, key) == 0) { 2158 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key); 2159 } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) { 2160 config->rx_vec_en = !!tmp; 2161 } else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) { 2162 config->max_dump_files_num = tmp; 2163 } else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) { 2164 config->lro_timeout = tmp; 2165 } else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) { 2166 config->log_hp_size = tmp; 2167 } else if (strcmp(MLX5_DELAY_DROP, key) == 0) { 2168 config->std_delay_drop = !!(tmp & MLX5_DELAY_DROP_STANDARD); 2169 config->hp_delay_drop = !!(tmp & MLX5_DELAY_DROP_HAIRPIN); 2170 } 2171 return 0; 2172 } 2173 2174 /** 2175 * Parse user port parameters and adjust them according to device capabilities. 2176 * 2177 * @param priv 2178 * Pointer to shared device context. 2179 * @param mkvlist 2180 * Pointer to mlx5 kvargs control, can be NULL if there is no devargs. 2181 * @param config 2182 * Pointer to port configuration structure. 2183 * 2184 * @return 2185 * 0 on success, a negative errno value otherwise and rte_errno is set. 2186 */ 2187 int 2188 mlx5_port_args_config(struct mlx5_priv *priv, struct mlx5_kvargs_ctrl *mkvlist, 2189 struct mlx5_port_config *config) 2190 { 2191 struct mlx5_hca_attr *hca_attr = &priv->sh->cdev->config.hca_attr; 2192 struct mlx5_dev_cap *dev_cap = &priv->sh->dev_cap; 2193 bool devx = priv->sh->cdev->config.devx; 2194 const char **params = (const char *[]){ 2195 MLX5_RXQ_CQE_COMP_EN, 2196 MLX5_RXQ_PKT_PAD_EN, 2197 MLX5_RX_MPRQ_EN, 2198 MLX5_RX_MPRQ_LOG_STRIDE_NUM, 2199 MLX5_RX_MPRQ_LOG_STRIDE_SIZE, 2200 MLX5_RX_MPRQ_MAX_MEMCPY_LEN, 2201 MLX5_RXQS_MIN_MPRQ, 2202 MLX5_TXQ_INLINE, 2203 MLX5_TXQ_INLINE_MIN, 2204 MLX5_TXQ_INLINE_MAX, 2205 MLX5_TXQ_INLINE_MPW, 2206 MLX5_TXQS_MIN_INLINE, 2207 MLX5_TXQS_MAX_VEC, 2208 MLX5_TXQ_MPW_EN, 2209 MLX5_TXQ_MPW_HDR_DSEG_EN, 2210 MLX5_TXQ_MAX_INLINE_LEN, 2211 MLX5_TX_VEC_EN, 2212 MLX5_RX_VEC_EN, 2213 MLX5_REPRESENTOR, 2214 MLX5_MAX_DUMP_FILES_NUM, 2215 MLX5_LRO_TIMEOUT_USEC, 2216 MLX5_HP_BUF_SIZE, 2217 MLX5_DELAY_DROP, 2218 NULL, 2219 }; 2220 int ret = 0; 2221 2222 /* Default configuration. */ 2223 memset(config, 0, sizeof(*config)); 2224 config->mps = MLX5_ARG_UNSET; 2225 config->cqe_comp = 1; 2226 config->rx_vec_en = 1; 2227 config->txq_inline_max = MLX5_ARG_UNSET; 2228 config->txq_inline_min = MLX5_ARG_UNSET; 2229 config->txq_inline_mpw = MLX5_ARG_UNSET; 2230 config->txqs_inline = MLX5_ARG_UNSET; 2231 config->mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN; 2232 config->mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS; 2233 config->mprq.log_stride_num = MLX5_MPRQ_DEFAULT_LOG_STRIDE_NUM; 2234 config->log_hp_size = MLX5_ARG_UNSET; 2235 config->std_delay_drop = 0; 2236 config->hp_delay_drop = 0; 2237 if (mkvlist != NULL) { 2238 /* Process parameters. */ 2239 ret = mlx5_kvargs_process(mkvlist, params, 2240 mlx5_port_args_check_handler, config); 2241 if (ret) { 2242 DRV_LOG(ERR, "Failed to process port arguments: %s", 2243 strerror(rte_errno)); 2244 return -rte_errno; 2245 } 2246 } 2247 /* Adjust parameters according to device capabilities. */ 2248 if (config->hw_padding && !dev_cap->hw_padding) { 2249 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported."); 2250 config->hw_padding = 0; 2251 } else if (config->hw_padding) { 2252 DRV_LOG(DEBUG, "Rx end alignment padding is enabled."); 2253 } 2254 /* 2255 * MPW is disabled by default, while the Enhanced MPW is enabled 2256 * by default. 2257 */ 2258 if (config->mps == MLX5_ARG_UNSET) 2259 config->mps = (dev_cap->mps == MLX5_MPW_ENHANCED) ? 2260 MLX5_MPW_ENHANCED : MLX5_MPW_DISABLED; 2261 else 2262 config->mps = config->mps ? dev_cap->mps : MLX5_MPW_DISABLED; 2263 DRV_LOG(INFO, "%sMPS is %s", 2264 config->mps == MLX5_MPW_ENHANCED ? "enhanced " : 2265 config->mps == MLX5_MPW ? "legacy " : "", 2266 config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled"); 2267 /* LRO is supported only when DV flow enabled. */ 2268 if (dev_cap->lro_supported && !priv->sh->config.dv_flow_en) 2269 dev_cap->lro_supported = 0; 2270 if (dev_cap->lro_supported) { 2271 /* 2272 * If LRO timeout is not configured by application, 2273 * use the minimal supported value. 2274 */ 2275 if (!config->lro_timeout) 2276 config->lro_timeout = 2277 hca_attr->lro_timer_supported_periods[0]; 2278 DRV_LOG(DEBUG, "LRO session timeout set to %d usec.", 2279 config->lro_timeout); 2280 } 2281 if (config->cqe_comp && !dev_cap->cqe_comp) { 2282 DRV_LOG(WARNING, "Rx CQE 128B compression is not supported."); 2283 config->cqe_comp = 0; 2284 } 2285 if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_FTAG_STRIDX && 2286 (!devx || !hca_attr->mini_cqe_resp_flow_tag)) { 2287 DRV_LOG(WARNING, 2288 "Flow Tag CQE compression format isn't supported."); 2289 config->cqe_comp = 0; 2290 } 2291 if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_L34H_STRIDX && 2292 (!devx || !hca_attr->mini_cqe_resp_l3_l4_tag)) { 2293 DRV_LOG(WARNING, 2294 "L3/L4 Header CQE compression format isn't supported."); 2295 config->cqe_comp = 0; 2296 } 2297 DRV_LOG(DEBUG, "Rx CQE compression is %ssupported.", 2298 config->cqe_comp ? "" : "not "); 2299 if ((config->std_delay_drop || config->hp_delay_drop) && 2300 !dev_cap->rq_delay_drop_en) { 2301 config->std_delay_drop = 0; 2302 config->hp_delay_drop = 0; 2303 DRV_LOG(WARNING, "dev_port-%u: Rxq delay drop isn't supported.", 2304 priv->dev_port); 2305 } 2306 if (config->mprq.enabled && !priv->sh->dev_cap.mprq.enabled) { 2307 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported."); 2308 config->mprq.enabled = 0; 2309 } 2310 if (config->max_dump_files_num == 0) 2311 config->max_dump_files_num = 128; 2312 /* Detect minimal data bytes to inline. */ 2313 mlx5_set_min_inline(priv); 2314 DRV_LOG(DEBUG, "VLAN insertion in WQE is %ssupported.", 2315 config->hw_vlan_insert ? "" : "not "); 2316 DRV_LOG(DEBUG, "\"rxq_pkt_pad_en\" is %u.", config->hw_padding); 2317 DRV_LOG(DEBUG, "\"rxq_cqe_comp_en\" is %u.", config->cqe_comp); 2318 DRV_LOG(DEBUG, "\"cqe_comp_fmt\" is %u.", config->cqe_comp_fmt); 2319 DRV_LOG(DEBUG, "\"rx_vec_en\" is %u.", config->rx_vec_en); 2320 DRV_LOG(DEBUG, "Standard \"delay_drop\" is %u.", 2321 config->std_delay_drop); 2322 DRV_LOG(DEBUG, "Hairpin \"delay_drop\" is %u.", config->hp_delay_drop); 2323 DRV_LOG(DEBUG, "\"max_dump_files_num\" is %u.", 2324 config->max_dump_files_num); 2325 DRV_LOG(DEBUG, "\"log_hp_size\" is %u.", config->log_hp_size); 2326 DRV_LOG(DEBUG, "\"mprq_en\" is %u.", config->mprq.enabled); 2327 DRV_LOG(DEBUG, "\"mprq_log_stride_num\" is %u.", 2328 config->mprq.log_stride_num); 2329 DRV_LOG(DEBUG, "\"mprq_log_stride_size\" is %u.", 2330 config->mprq.log_stride_size); 2331 DRV_LOG(DEBUG, "\"mprq_max_memcpy_len\" is %u.", 2332 config->mprq.max_memcpy_len); 2333 DRV_LOG(DEBUG, "\"rxqs_min_mprq\" is %u.", config->mprq.min_rxqs_num); 2334 DRV_LOG(DEBUG, "\"lro_timeout_usec\" is %u.", config->lro_timeout); 2335 DRV_LOG(DEBUG, "\"txq_mpw_en\" is %d.", config->mps); 2336 DRV_LOG(DEBUG, "\"txqs_min_inline\" is %d.", config->txqs_inline); 2337 DRV_LOG(DEBUG, "\"txq_inline_min\" is %d.", config->txq_inline_min); 2338 DRV_LOG(DEBUG, "\"txq_inline_max\" is %d.", config->txq_inline_max); 2339 DRV_LOG(DEBUG, "\"txq_inline_mpw\" is %d.", config->txq_inline_mpw); 2340 return 0; 2341 } 2342 2343 /** 2344 * Print the key for device argument. 2345 * 2346 * It is "dummy" handler whose whole purpose is to enable using 2347 * mlx5_kvargs_process() function which set devargs as used. 2348 * 2349 * @param key 2350 * Key argument. 2351 * @param val 2352 * Value associated with key, unused. 2353 * @param opaque 2354 * Unused, can be NULL. 2355 * 2356 * @return 2357 * 0 on success, function cannot fail. 2358 */ 2359 static int 2360 mlx5_dummy_handler(const char *key, const char *val, void *opaque) 2361 { 2362 DRV_LOG(DEBUG, "\tKey: \"%s\" is set as used.", key); 2363 RTE_SET_USED(opaque); 2364 RTE_SET_USED(val); 2365 return 0; 2366 } 2367 2368 /** 2369 * Set requested devargs as used when device is already spawned. 2370 * 2371 * It is necessary since it is valid to ask probe again for existing device, 2372 * if its devargs don't assign as used, mlx5_kvargs_validate() will fail. 2373 * 2374 * @param name 2375 * Name of the existing device. 2376 * @param port_id 2377 * Port identifier of the device. 2378 * @param mkvlist 2379 * Pointer to mlx5 kvargs control to sign as used. 2380 */ 2381 void 2382 mlx5_port_args_set_used(const char *name, uint16_t port_id, 2383 struct mlx5_kvargs_ctrl *mkvlist) 2384 { 2385 const char **params = (const char *[]){ 2386 MLX5_RXQ_CQE_COMP_EN, 2387 MLX5_RXQ_PKT_PAD_EN, 2388 MLX5_RX_MPRQ_EN, 2389 MLX5_RX_MPRQ_LOG_STRIDE_NUM, 2390 MLX5_RX_MPRQ_LOG_STRIDE_SIZE, 2391 MLX5_RX_MPRQ_MAX_MEMCPY_LEN, 2392 MLX5_RXQS_MIN_MPRQ, 2393 MLX5_TXQ_INLINE, 2394 MLX5_TXQ_INLINE_MIN, 2395 MLX5_TXQ_INLINE_MAX, 2396 MLX5_TXQ_INLINE_MPW, 2397 MLX5_TXQS_MIN_INLINE, 2398 MLX5_TXQS_MAX_VEC, 2399 MLX5_TXQ_MPW_EN, 2400 MLX5_TXQ_MPW_HDR_DSEG_EN, 2401 MLX5_TXQ_MAX_INLINE_LEN, 2402 MLX5_TX_VEC_EN, 2403 MLX5_RX_VEC_EN, 2404 MLX5_REPRESENTOR, 2405 MLX5_MAX_DUMP_FILES_NUM, 2406 MLX5_LRO_TIMEOUT_USEC, 2407 MLX5_HP_BUF_SIZE, 2408 MLX5_DELAY_DROP, 2409 NULL, 2410 }; 2411 2412 /* Secondary process should not handle devargs. */ 2413 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2414 return; 2415 MLX5_ASSERT(mkvlist != NULL); 2416 DRV_LOG(DEBUG, "Ethernet device \"%s\" for port %u " 2417 "already exists, set devargs as used:", name, port_id); 2418 /* This function cannot fail with this handler. */ 2419 mlx5_kvargs_process(mkvlist, params, mlx5_dummy_handler, NULL); 2420 } 2421 2422 /** 2423 * Check sibling device configurations when probing again. 2424 * 2425 * Sibling devices sharing infiniband device context should have compatible 2426 * configurations. This regards representors and bonding device. 2427 * 2428 * @param cdev 2429 * Pointer to mlx5 device structure. 2430 * @param mkvlist 2431 * Pointer to mlx5 kvargs control, can be NULL if there is no devargs. 2432 * 2433 * @return 2434 * 0 on success, a negative errno value otherwise and rte_errno is set. 2435 */ 2436 int 2437 mlx5_probe_again_args_validate(struct mlx5_common_device *cdev, 2438 struct mlx5_kvargs_ctrl *mkvlist) 2439 { 2440 struct mlx5_dev_ctx_shared *sh = NULL; 2441 struct mlx5_sh_config *config; 2442 int ret; 2443 2444 /* Secondary process should not handle devargs. */ 2445 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2446 return 0; 2447 pthread_mutex_lock(&mlx5_dev_ctx_list_mutex); 2448 /* Search for IB context by common device pointer. */ 2449 LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) 2450 if (sh->cdev == cdev) 2451 break; 2452 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex); 2453 /* There is sh for this device -> it isn't probe again. */ 2454 if (sh == NULL) 2455 return 0; 2456 config = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE, 2457 sizeof(struct mlx5_sh_config), 2458 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); 2459 if (config == NULL) { 2460 rte_errno = -ENOMEM; 2461 return -rte_errno; 2462 } 2463 /* 2464 * Creates a temporary IB context configure structure according to new 2465 * devargs attached in probing again. 2466 */ 2467 ret = mlx5_shared_dev_ctx_args_config(sh, mkvlist, config); 2468 if (ret) { 2469 DRV_LOG(ERR, "Failed to process device configure: %s", 2470 strerror(rte_errno)); 2471 mlx5_free(config); 2472 return ret; 2473 } 2474 /* 2475 * Checks the match between the temporary structure and the existing 2476 * IB context structure. 2477 */ 2478 if (sh->config.dv_flow_en ^ config->dv_flow_en) { 2479 DRV_LOG(ERR, "\"dv_flow_en\" " 2480 "configuration mismatch for shared %s context.", 2481 sh->ibdev_name); 2482 goto error; 2483 } 2484 if ((sh->config.dv_xmeta_en ^ config->dv_xmeta_en) || 2485 (sh->config.dv_miss_info ^ config->dv_miss_info)) { 2486 DRV_LOG(ERR, "\"dv_xmeta_en\" " 2487 "configuration mismatch for shared %s context.", 2488 sh->ibdev_name); 2489 goto error; 2490 } 2491 if (sh->config.dv_esw_en ^ config->dv_esw_en) { 2492 DRV_LOG(ERR, "\"dv_esw_en\" " 2493 "configuration mismatch for shared %s context.", 2494 sh->ibdev_name); 2495 goto error; 2496 } 2497 if (sh->config.reclaim_mode ^ config->reclaim_mode) { 2498 DRV_LOG(ERR, "\"reclaim_mode\" " 2499 "configuration mismatch for shared %s context.", 2500 sh->ibdev_name); 2501 goto error; 2502 } 2503 if (sh->config.allow_duplicate_pattern ^ 2504 config->allow_duplicate_pattern) { 2505 DRV_LOG(ERR, "\"allow_duplicate_pattern\" " 2506 "configuration mismatch for shared %s context.", 2507 sh->ibdev_name); 2508 goto error; 2509 } 2510 if (sh->config.l3_vxlan_en ^ config->l3_vxlan_en) { 2511 DRV_LOG(ERR, "\"l3_vxlan_en\" " 2512 "configuration mismatch for shared %s context.", 2513 sh->ibdev_name); 2514 goto error; 2515 } 2516 if (sh->config.decap_en ^ config->decap_en) { 2517 DRV_LOG(ERR, "\"decap_en\" " 2518 "configuration mismatch for shared %s context.", 2519 sh->ibdev_name); 2520 goto error; 2521 } 2522 if (sh->config.lacp_by_user ^ config->lacp_by_user) { 2523 DRV_LOG(ERR, "\"lacp_by_user\" " 2524 "configuration mismatch for shared %s context.", 2525 sh->ibdev_name); 2526 goto error; 2527 } 2528 if (sh->config.tx_pp ^ config->tx_pp) { 2529 DRV_LOG(ERR, "\"tx_pp\" " 2530 "configuration mismatch for shared %s context.", 2531 sh->ibdev_name); 2532 goto error; 2533 } 2534 if (sh->config.tx_skew ^ config->tx_skew) { 2535 DRV_LOG(ERR, "\"tx_skew\" " 2536 "configuration mismatch for shared %s context.", 2537 sh->ibdev_name); 2538 goto error; 2539 } 2540 mlx5_free(config); 2541 return 0; 2542 error: 2543 mlx5_free(config); 2544 rte_errno = EINVAL; 2545 return -rte_errno; 2546 } 2547 2548 /** 2549 * Configures the minimal amount of data to inline into WQE 2550 * while sending packets. 2551 * 2552 * - the txq_inline_min has the maximal priority, if this 2553 * key is specified in devargs 2554 * - if DevX is enabled the inline mode is queried from the 2555 * device (HCA attributes and NIC vport context if needed). 2556 * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx 2557 * and none (0 bytes) for other NICs 2558 * 2559 * @param priv 2560 * Pointer to the private device data structure. 2561 */ 2562 void 2563 mlx5_set_min_inline(struct mlx5_priv *priv) 2564 { 2565 struct mlx5_hca_attr *hca_attr = &priv->sh->cdev->config.hca_attr; 2566 struct mlx5_port_config *config = &priv->config; 2567 2568 if (config->txq_inline_min != MLX5_ARG_UNSET) { 2569 /* Application defines size of inlined data explicitly. */ 2570 if (priv->pci_dev != NULL) { 2571 switch (priv->pci_dev->id.device_id) { 2572 case PCI_DEVICE_ID_MELLANOX_CONNECTX4: 2573 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF: 2574 if (config->txq_inline_min < 2575 (int)MLX5_INLINE_HSIZE_L2) { 2576 DRV_LOG(DEBUG, 2577 "txq_inline_mix aligned to minimal ConnectX-4 required value %d", 2578 (int)MLX5_INLINE_HSIZE_L2); 2579 config->txq_inline_min = 2580 MLX5_INLINE_HSIZE_L2; 2581 } 2582 break; 2583 } 2584 } 2585 goto exit; 2586 } 2587 if (hca_attr->eth_net_offloads) { 2588 /* We have DevX enabled, inline mode queried successfully. */ 2589 switch (hca_attr->wqe_inline_mode) { 2590 case MLX5_CAP_INLINE_MODE_L2: 2591 /* outer L2 header must be inlined. */ 2592 config->txq_inline_min = MLX5_INLINE_HSIZE_L2; 2593 goto exit; 2594 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: 2595 /* No inline data are required by NIC. */ 2596 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE; 2597 config->hw_vlan_insert = 2598 hca_attr->wqe_vlan_insert; 2599 DRV_LOG(DEBUG, "Tx VLAN insertion is supported"); 2600 goto exit; 2601 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT: 2602 /* inline mode is defined by NIC vport context. */ 2603 if (!hca_attr->eth_virt) 2604 break; 2605 switch (hca_attr->vport_inline_mode) { 2606 case MLX5_INLINE_MODE_NONE: 2607 config->txq_inline_min = 2608 MLX5_INLINE_HSIZE_NONE; 2609 goto exit; 2610 case MLX5_INLINE_MODE_L2: 2611 config->txq_inline_min = 2612 MLX5_INLINE_HSIZE_L2; 2613 goto exit; 2614 case MLX5_INLINE_MODE_IP: 2615 config->txq_inline_min = 2616 MLX5_INLINE_HSIZE_L3; 2617 goto exit; 2618 case MLX5_INLINE_MODE_TCP_UDP: 2619 config->txq_inline_min = 2620 MLX5_INLINE_HSIZE_L4; 2621 goto exit; 2622 case MLX5_INLINE_MODE_INNER_L2: 2623 config->txq_inline_min = 2624 MLX5_INLINE_HSIZE_INNER_L2; 2625 goto exit; 2626 case MLX5_INLINE_MODE_INNER_IP: 2627 config->txq_inline_min = 2628 MLX5_INLINE_HSIZE_INNER_L3; 2629 goto exit; 2630 case MLX5_INLINE_MODE_INNER_TCP_UDP: 2631 config->txq_inline_min = 2632 MLX5_INLINE_HSIZE_INNER_L4; 2633 goto exit; 2634 } 2635 } 2636 } 2637 if (priv->pci_dev == NULL) { 2638 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE; 2639 goto exit; 2640 } 2641 /* 2642 * We get here if we are unable to deduce 2643 * inline data size with DevX. Try PCI ID 2644 * to determine old NICs. 2645 */ 2646 switch (priv->pci_dev->id.device_id) { 2647 case PCI_DEVICE_ID_MELLANOX_CONNECTX4: 2648 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF: 2649 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX: 2650 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF: 2651 config->txq_inline_min = MLX5_INLINE_HSIZE_L2; 2652 config->hw_vlan_insert = 0; 2653 break; 2654 case PCI_DEVICE_ID_MELLANOX_CONNECTX5: 2655 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF: 2656 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX: 2657 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF: 2658 /* 2659 * These NICs support VLAN insertion from WQE and 2660 * report the wqe_vlan_insert flag. But there is the bug 2661 * and PFC control may be broken, so disable feature. 2662 */ 2663 config->hw_vlan_insert = 0; 2664 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE; 2665 break; 2666 default: 2667 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE; 2668 break; 2669 } 2670 exit: 2671 DRV_LOG(DEBUG, "min tx inline configured: %d", config->txq_inline_min); 2672 } 2673 2674 /** 2675 * Configures the metadata mask fields in the shared context. 2676 * 2677 * @param [in] dev 2678 * Pointer to Ethernet device. 2679 */ 2680 void 2681 mlx5_set_metadata_mask(struct rte_eth_dev *dev) 2682 { 2683 struct mlx5_priv *priv = dev->data->dev_private; 2684 struct mlx5_dev_ctx_shared *sh = priv->sh; 2685 uint32_t meta, mark, reg_c0; 2686 2687 reg_c0 = ~priv->vport_meta_mask; 2688 switch (sh->config.dv_xmeta_en) { 2689 case MLX5_XMETA_MODE_LEGACY: 2690 meta = UINT32_MAX; 2691 mark = MLX5_FLOW_MARK_MASK; 2692 break; 2693 case MLX5_XMETA_MODE_META16: 2694 meta = reg_c0 >> rte_bsf32(reg_c0); 2695 mark = MLX5_FLOW_MARK_MASK; 2696 break; 2697 case MLX5_XMETA_MODE_META32: 2698 meta = UINT32_MAX; 2699 mark = (reg_c0 >> rte_bsf32(reg_c0)) & MLX5_FLOW_MARK_MASK; 2700 break; 2701 default: 2702 meta = 0; 2703 mark = 0; 2704 MLX5_ASSERT(false); 2705 break; 2706 } 2707 if (sh->dv_mark_mask && sh->dv_mark_mask != mark) 2708 DRV_LOG(WARNING, "metadata MARK mask mismatch %08X:%08X", 2709 sh->dv_mark_mask, mark); 2710 else 2711 sh->dv_mark_mask = mark; 2712 if (sh->dv_meta_mask && sh->dv_meta_mask != meta) 2713 DRV_LOG(WARNING, "metadata META mask mismatch %08X:%08X", 2714 sh->dv_meta_mask, meta); 2715 else 2716 sh->dv_meta_mask = meta; 2717 if (sh->dv_regc0_mask && sh->dv_regc0_mask != reg_c0) 2718 DRV_LOG(WARNING, "metadata reg_c0 mask mismatch %08X:%08X", 2719 sh->dv_meta_mask, reg_c0); 2720 else 2721 sh->dv_regc0_mask = reg_c0; 2722 DRV_LOG(DEBUG, "metadata mode %u", sh->config.dv_xmeta_en); 2723 DRV_LOG(DEBUG, "metadata MARK mask %08X", sh->dv_mark_mask); 2724 DRV_LOG(DEBUG, "metadata META mask %08X", sh->dv_meta_mask); 2725 DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask); 2726 } 2727 2728 int 2729 rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n) 2730 { 2731 static const char *const dynf_names[] = { 2732 RTE_PMD_MLX5_FINE_GRANULARITY_INLINE, 2733 RTE_MBUF_DYNFLAG_METADATA_NAME, 2734 RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME 2735 }; 2736 unsigned int i; 2737 2738 if (n < RTE_DIM(dynf_names)) 2739 return -ENOMEM; 2740 for (i = 0; i < RTE_DIM(dynf_names); i++) { 2741 if (names[i] == NULL) 2742 return -EINVAL; 2743 strcpy(names[i], dynf_names[i]); 2744 } 2745 return RTE_DIM(dynf_names); 2746 } 2747 2748 /** 2749 * Look for the ethernet device belonging to mlx5 driver. 2750 * 2751 * @param[in] port_id 2752 * port_id to start looking for device. 2753 * @param[in] odev 2754 * Pointer to the hint device. When device is being probed 2755 * the its siblings (master and preceding representors might 2756 * not have assigned driver yet (because the mlx5_os_pci_probe() 2757 * is not completed yet, for this case match on hint 2758 * device may be used to detect sibling device. 2759 * 2760 * @return 2761 * port_id of found device, RTE_MAX_ETHPORT if not found. 2762 */ 2763 uint16_t 2764 mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev) 2765 { 2766 while (port_id < RTE_MAX_ETHPORTS) { 2767 struct rte_eth_dev *dev = &rte_eth_devices[port_id]; 2768 2769 if (dev->state != RTE_ETH_DEV_UNUSED && 2770 dev->device && 2771 (dev->device == odev || 2772 (dev->device->driver && 2773 dev->device->driver->name && 2774 ((strcmp(dev->device->driver->name, 2775 MLX5_PCI_DRIVER_NAME) == 0) || 2776 (strcmp(dev->device->driver->name, 2777 MLX5_AUXILIARY_DRIVER_NAME) == 0))))) 2778 break; 2779 port_id++; 2780 } 2781 if (port_id >= RTE_MAX_ETHPORTS) 2782 return RTE_MAX_ETHPORTS; 2783 return port_id; 2784 } 2785 2786 /** 2787 * Callback to remove a device. 2788 * 2789 * This function removes all Ethernet devices belong to a given device. 2790 * 2791 * @param[in] cdev 2792 * Pointer to the generic device. 2793 * 2794 * @return 2795 * 0 on success, the function cannot fail. 2796 */ 2797 int 2798 mlx5_net_remove(struct mlx5_common_device *cdev) 2799 { 2800 uint16_t port_id; 2801 int ret = 0; 2802 2803 RTE_ETH_FOREACH_DEV_OF(port_id, cdev->dev) { 2804 /* 2805 * mlx5_dev_close() is not registered to secondary process, 2806 * call the close function explicitly for secondary process. 2807 */ 2808 if (rte_eal_process_type() == RTE_PROC_SECONDARY) 2809 ret |= mlx5_dev_close(&rte_eth_devices[port_id]); 2810 else 2811 ret |= rte_eth_dev_close(port_id); 2812 } 2813 return ret == 0 ? 0 : -EIO; 2814 } 2815 2816 static const struct rte_pci_id mlx5_pci_id_map[] = { 2817 { 2818 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2819 PCI_DEVICE_ID_MELLANOX_CONNECTX4) 2820 }, 2821 { 2822 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2823 PCI_DEVICE_ID_MELLANOX_CONNECTX4VF) 2824 }, 2825 { 2826 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2827 PCI_DEVICE_ID_MELLANOX_CONNECTX4LX) 2828 }, 2829 { 2830 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2831 PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF) 2832 }, 2833 { 2834 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2835 PCI_DEVICE_ID_MELLANOX_CONNECTX5) 2836 }, 2837 { 2838 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2839 PCI_DEVICE_ID_MELLANOX_CONNECTX5VF) 2840 }, 2841 { 2842 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2843 PCI_DEVICE_ID_MELLANOX_CONNECTX5EX) 2844 }, 2845 { 2846 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2847 PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF) 2848 }, 2849 { 2850 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2851 PCI_DEVICE_ID_MELLANOX_CONNECTX5BF) 2852 }, 2853 { 2854 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2855 PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF) 2856 }, 2857 { 2858 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2859 PCI_DEVICE_ID_MELLANOX_CONNECTX6) 2860 }, 2861 { 2862 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2863 PCI_DEVICE_ID_MELLANOX_CONNECTX6VF) 2864 }, 2865 { 2866 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2867 PCI_DEVICE_ID_MELLANOX_CONNECTX6DX) 2868 }, 2869 { 2870 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2871 PCI_DEVICE_ID_MELLANOX_CONNECTXVF) 2872 }, 2873 { 2874 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2875 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF) 2876 }, 2877 { 2878 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2879 PCI_DEVICE_ID_MELLANOX_CONNECTX6LX) 2880 }, 2881 { 2882 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2883 PCI_DEVICE_ID_MELLANOX_CONNECTX7) 2884 }, 2885 { 2886 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, 2887 PCI_DEVICE_ID_MELLANOX_CONNECTX7BF) 2888 }, 2889 { 2890 .vendor_id = 0 2891 } 2892 }; 2893 2894 static struct mlx5_class_driver mlx5_net_driver = { 2895 .drv_class = MLX5_CLASS_ETH, 2896 .name = RTE_STR(MLX5_ETH_DRIVER_NAME), 2897 .id_table = mlx5_pci_id_map, 2898 .probe = mlx5_os_net_probe, 2899 .remove = mlx5_net_remove, 2900 .probe_again = 1, 2901 .intr_lsc = 1, 2902 .intr_rmv = 1, 2903 }; 2904 2905 /* Initialize driver log type. */ 2906 RTE_LOG_REGISTER_DEFAULT(mlx5_logtype, NOTICE) 2907 2908 /** 2909 * Driver initialization routine. 2910 */ 2911 RTE_INIT(rte_mlx5_pmd_init) 2912 { 2913 pthread_mutex_init(&mlx5_dev_ctx_list_mutex, NULL); 2914 mlx5_common_init(); 2915 /* Build the static tables for Verbs conversion. */ 2916 mlx5_set_ptype_table(); 2917 mlx5_set_cksum_table(); 2918 mlx5_set_swp_types_table(); 2919 if (mlx5_glue) 2920 mlx5_class_driver_register(&mlx5_net_driver); 2921 } 2922 2923 RTE_PMD_EXPORT_NAME(MLX5_ETH_DRIVER_NAME, __COUNTER__); 2924 RTE_PMD_REGISTER_PCI_TABLE(MLX5_ETH_DRIVER_NAME, mlx5_pci_id_map); 2925 RTE_PMD_REGISTER_KMOD_DEP(MLX5_ETH_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib"); 2926