1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2020 Mellanox Technologies, Ltd 3 */ 4 5 #include <stddef.h> 6 #include <errno.h> 7 #include <stdbool.h> 8 #include <string.h> 9 #include <stdint.h> 10 #include <sys/queue.h> 11 12 #include <rte_malloc.h> 13 #include <rte_common.h> 14 #include <rte_eal_paging.h> 15 16 #include <mlx5_glue.h> 17 #include <mlx5_devx_cmds.h> 18 #include <mlx5_common_devx.h> 19 #include <mlx5_malloc.h> 20 21 #include "mlx5.h" 22 #include "mlx5_common_os.h" 23 #include "mlx5_tx.h" 24 #include "mlx5_rx.h" 25 #include "mlx5_utils.h" 26 #include "mlx5_devx.h" 27 #include "mlx5_flow.h" 28 #include "mlx5_flow_os.h" 29 30 /** 31 * Modify RQ vlan stripping offload 32 * 33 * @param rxq_obj 34 * Rx queue object. 35 * 36 * @return 37 * 0 on success, non-0 otherwise 38 */ 39 static int 40 mlx5_rxq_obj_modify_rq_vlan_strip(struct mlx5_rxq_obj *rxq_obj, int on) 41 { 42 struct mlx5_devx_modify_rq_attr rq_attr; 43 44 memset(&rq_attr, 0, sizeof(rq_attr)); 45 rq_attr.rq_state = MLX5_RQC_STATE_RDY; 46 rq_attr.state = MLX5_RQC_STATE_RDY; 47 rq_attr.vsd = (on ? 0 : 1); 48 rq_attr.modify_bitmask = MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD; 49 return mlx5_devx_cmd_modify_rq(rxq_obj->rq_obj.rq, &rq_attr); 50 } 51 52 /** 53 * Modify RQ using DevX API. 54 * 55 * @param rxq_obj 56 * DevX Rx queue object. 57 * @param type 58 * Type of change queue state. 59 * 60 * @return 61 * 0 on success, a negative errno value otherwise and rte_errno is set. 62 */ 63 static int 64 mlx5_devx_modify_rq(struct mlx5_rxq_obj *rxq_obj, uint8_t type) 65 { 66 struct mlx5_devx_modify_rq_attr rq_attr; 67 68 memset(&rq_attr, 0, sizeof(rq_attr)); 69 switch (type) { 70 case MLX5_RXQ_MOD_ERR2RST: 71 rq_attr.rq_state = MLX5_RQC_STATE_ERR; 72 rq_attr.state = MLX5_RQC_STATE_RST; 73 break; 74 case MLX5_RXQ_MOD_RST2RDY: 75 rq_attr.rq_state = MLX5_RQC_STATE_RST; 76 rq_attr.state = MLX5_RQC_STATE_RDY; 77 break; 78 case MLX5_RXQ_MOD_RDY2ERR: 79 rq_attr.rq_state = MLX5_RQC_STATE_RDY; 80 rq_attr.state = MLX5_RQC_STATE_ERR; 81 break; 82 case MLX5_RXQ_MOD_RDY2RST: 83 rq_attr.rq_state = MLX5_RQC_STATE_RDY; 84 rq_attr.state = MLX5_RQC_STATE_RST; 85 break; 86 default: 87 break; 88 } 89 return mlx5_devx_cmd_modify_rq(rxq_obj->rq_obj.rq, &rq_attr); 90 } 91 92 /** 93 * Modify SQ using DevX API. 94 * 95 * @param txq_obj 96 * DevX Tx queue object. 97 * @param type 98 * Type of change queue state. 99 * @param dev_port 100 * Unnecessary. 101 * 102 * @return 103 * 0 on success, a negative errno value otherwise and rte_errno is set. 104 */ 105 static int 106 mlx5_devx_modify_sq(struct mlx5_txq_obj *obj, enum mlx5_txq_modify_type type, 107 uint8_t dev_port) 108 { 109 struct mlx5_devx_modify_sq_attr msq_attr = { 0 }; 110 int ret; 111 112 if (type != MLX5_TXQ_MOD_RST2RDY) { 113 /* Change queue state to reset. */ 114 if (type == MLX5_TXQ_MOD_ERR2RDY) 115 msq_attr.sq_state = MLX5_SQC_STATE_ERR; 116 else 117 msq_attr.sq_state = MLX5_SQC_STATE_RDY; 118 msq_attr.state = MLX5_SQC_STATE_RST; 119 ret = mlx5_devx_cmd_modify_sq(obj->sq_obj.sq, &msq_attr); 120 if (ret) { 121 DRV_LOG(ERR, "Cannot change the Tx SQ state to RESET" 122 " %s", strerror(errno)); 123 rte_errno = errno; 124 return ret; 125 } 126 } 127 if (type != MLX5_TXQ_MOD_RDY2RST) { 128 /* Change queue state to ready. */ 129 msq_attr.sq_state = MLX5_SQC_STATE_RST; 130 msq_attr.state = MLX5_SQC_STATE_RDY; 131 ret = mlx5_devx_cmd_modify_sq(obj->sq_obj.sq, &msq_attr); 132 if (ret) { 133 DRV_LOG(ERR, "Cannot change the Tx SQ state to READY" 134 " %s", strerror(errno)); 135 rte_errno = errno; 136 return ret; 137 } 138 } 139 /* 140 * The dev_port variable is relevant only in Verbs API, and there is a 141 * pointer that points to this function and a parallel function in verbs 142 * intermittently, so they should have the same parameters. 143 */ 144 (void)dev_port; 145 return 0; 146 } 147 148 /** 149 * Destroy the Rx queue DevX object. 150 * 151 * @param rxq_obj 152 * Rxq object to destroy. 153 */ 154 static void 155 mlx5_rxq_release_devx_resources(struct mlx5_rxq_obj *rxq_obj) 156 { 157 mlx5_devx_rq_destroy(&rxq_obj->rq_obj); 158 memset(&rxq_obj->rq_obj, 0, sizeof(rxq_obj->rq_obj)); 159 mlx5_devx_cq_destroy(&rxq_obj->cq_obj); 160 memset(&rxq_obj->cq_obj, 0, sizeof(rxq_obj->cq_obj)); 161 } 162 163 /** 164 * Release an Rx DevX queue object. 165 * 166 * @param rxq_obj 167 * DevX Rx queue object. 168 */ 169 static void 170 mlx5_rxq_devx_obj_release(struct mlx5_rxq_obj *rxq_obj) 171 { 172 MLX5_ASSERT(rxq_obj); 173 if (rxq_obj->rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN) { 174 MLX5_ASSERT(rxq_obj->rq); 175 mlx5_devx_modify_rq(rxq_obj, MLX5_RXQ_MOD_RDY2RST); 176 claim_zero(mlx5_devx_cmd_destroy(rxq_obj->rq)); 177 } else { 178 MLX5_ASSERT(rxq_obj->cq_obj.cq); 179 MLX5_ASSERT(rxq_obj->rq_obj.rq); 180 mlx5_rxq_release_devx_resources(rxq_obj); 181 if (rxq_obj->devx_channel) 182 mlx5_os_devx_destroy_event_channel 183 (rxq_obj->devx_channel); 184 } 185 } 186 187 /** 188 * Get event for an Rx DevX queue object. 189 * 190 * @param rxq_obj 191 * DevX Rx queue object. 192 * 193 * @return 194 * 0 on success, a negative errno value otherwise and rte_errno is set. 195 */ 196 static int 197 mlx5_rx_devx_get_event(struct mlx5_rxq_obj *rxq_obj) 198 { 199 #ifdef HAVE_IBV_DEVX_EVENT 200 union { 201 struct mlx5dv_devx_async_event_hdr event_resp; 202 uint8_t buf[sizeof(struct mlx5dv_devx_async_event_hdr) + 128]; 203 } out; 204 int ret = mlx5_glue->devx_get_event(rxq_obj->devx_channel, 205 &out.event_resp, 206 sizeof(out.buf)); 207 208 if (ret < 0) { 209 rte_errno = errno; 210 return -rte_errno; 211 } 212 if (out.event_resp.cookie != (uint64_t)(uintptr_t)rxq_obj->cq_obj.cq) { 213 rte_errno = EINVAL; 214 return -rte_errno; 215 } 216 return 0; 217 #else 218 (void)rxq_obj; 219 rte_errno = ENOTSUP; 220 return -rte_errno; 221 #endif /* HAVE_IBV_DEVX_EVENT */ 222 } 223 224 /** 225 * Create a RQ object using DevX. 226 * 227 * @param dev 228 * Pointer to Ethernet device. 229 * @param idx 230 * Queue index in DPDK Rx queue array. 231 * 232 * @return 233 * 0 on success, a negative errno value otherwise and rte_errno is set. 234 */ 235 static int 236 mlx5_rxq_create_devx_rq_resources(struct rte_eth_dev *dev, uint16_t idx) 237 { 238 struct mlx5_priv *priv = dev->data->dev_private; 239 struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx]; 240 struct mlx5_rxq_ctrl *rxq_ctrl = 241 container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); 242 struct mlx5_devx_create_rq_attr rq_attr = { 0 }; 243 uint16_t log_desc_n = rxq_data->elts_n - rxq_data->sges_n; 244 uint32_t wqe_size, log_wqe_size; 245 246 /* Fill RQ attributes. */ 247 rq_attr.mem_rq_type = MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE; 248 rq_attr.flush_in_error_en = 1; 249 rq_attr.vsd = (rxq_data->vlan_strip) ? 0 : 1; 250 rq_attr.cqn = rxq_ctrl->obj->cq_obj.cq->id; 251 rq_attr.scatter_fcs = (rxq_data->crc_present) ? 1 : 0; 252 rq_attr.ts_format = mlx5_ts_format_conv(priv->sh->rq_ts_format); 253 /* Fill WQ attributes for this RQ. */ 254 if (mlx5_rxq_mprq_enabled(rxq_data)) { 255 rq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ; 256 /* 257 * Number of strides in each WQE: 258 * 512*2^single_wqe_log_num_of_strides. 259 */ 260 rq_attr.wq_attr.single_wqe_log_num_of_strides = 261 rxq_data->strd_num_n - 262 MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES; 263 /* Stride size = (2^single_stride_log_num_of_bytes)*64B. */ 264 rq_attr.wq_attr.single_stride_log_num_of_bytes = 265 rxq_data->strd_sz_n - 266 MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES; 267 wqe_size = sizeof(struct mlx5_wqe_mprq); 268 } else { 269 rq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC; 270 wqe_size = sizeof(struct mlx5_wqe_data_seg); 271 } 272 log_wqe_size = log2above(wqe_size) + rxq_data->sges_n; 273 wqe_size = 1 << log_wqe_size; /* round up power of two.*/ 274 rq_attr.wq_attr.log_wq_stride = log_wqe_size; 275 rq_attr.wq_attr.log_wq_sz = log_desc_n; 276 rq_attr.wq_attr.end_padding_mode = priv->config.hw_padding ? 277 MLX5_WQ_END_PAD_MODE_ALIGN : 278 MLX5_WQ_END_PAD_MODE_NONE; 279 rq_attr.wq_attr.pd = priv->sh->pdn; 280 rq_attr.counter_set_id = priv->counter_set_id; 281 /* Create RQ using DevX API. */ 282 return mlx5_devx_rq_create(priv->sh->ctx, &rxq_ctrl->obj->rq_obj, 283 wqe_size, log_desc_n, &rq_attr, 284 rxq_ctrl->socket); 285 } 286 287 /** 288 * Create a DevX CQ object for an Rx queue. 289 * 290 * @param dev 291 * Pointer to Ethernet device. 292 * @param idx 293 * Queue index in DPDK Rx queue array. 294 * 295 * @return 296 * 0 on success, a negative errno value otherwise and rte_errno is set. 297 */ 298 static int 299 mlx5_rxq_create_devx_cq_resources(struct rte_eth_dev *dev, uint16_t idx) 300 { 301 struct mlx5_devx_cq *cq_obj = 0; 302 struct mlx5_devx_cq_attr cq_attr = { 0 }; 303 struct mlx5_priv *priv = dev->data->dev_private; 304 struct mlx5_dev_ctx_shared *sh = priv->sh; 305 struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx]; 306 struct mlx5_rxq_ctrl *rxq_ctrl = 307 container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); 308 unsigned int cqe_n = mlx5_rxq_cqe_num(rxq_data); 309 uint32_t log_cqe_n; 310 uint16_t event_nums[1] = { 0 }; 311 int ret = 0; 312 313 if (priv->config.cqe_comp && !rxq_data->hw_timestamp && 314 !rxq_data->lro) { 315 cq_attr.cqe_comp_en = 1u; 316 rxq_data->mcqe_format = priv->config.cqe_comp_fmt; 317 rxq_data->byte_mask = UINT32_MAX; 318 switch (priv->config.cqe_comp_fmt) { 319 case MLX5_CQE_RESP_FORMAT_HASH: 320 /* fallthrough */ 321 case MLX5_CQE_RESP_FORMAT_CSUM: 322 /* 323 * Select CSUM miniCQE format only for non-vectorized 324 * MPRQ Rx burst, use HASH miniCQE format for others. 325 */ 326 if (mlx5_rxq_check_vec_support(rxq_data) < 0 && 327 mlx5_rxq_mprq_enabled(rxq_data)) 328 cq_attr.mini_cqe_res_format = 329 MLX5_CQE_RESP_FORMAT_CSUM_STRIDX; 330 else 331 cq_attr.mini_cqe_res_format = 332 MLX5_CQE_RESP_FORMAT_HASH; 333 rxq_data->mcqe_format = cq_attr.mini_cqe_res_format; 334 break; 335 case MLX5_CQE_RESP_FORMAT_FTAG_STRIDX: 336 rxq_data->byte_mask = MLX5_LEN_WITH_MARK_MASK; 337 /* fallthrough */ 338 case MLX5_CQE_RESP_FORMAT_CSUM_STRIDX: 339 cq_attr.mini_cqe_res_format = priv->config.cqe_comp_fmt; 340 break; 341 case MLX5_CQE_RESP_FORMAT_L34H_STRIDX: 342 cq_attr.mini_cqe_res_format = 0; 343 cq_attr.mini_cqe_res_format_ext = 1; 344 break; 345 } 346 DRV_LOG(DEBUG, 347 "Port %u Rx CQE compression is enabled, format %d.", 348 dev->data->port_id, priv->config.cqe_comp_fmt); 349 /* 350 * For vectorized Rx, it must not be doubled in order to 351 * make cq_ci and rq_ci aligned. 352 */ 353 if (mlx5_rxq_check_vec_support(rxq_data) < 0) 354 cqe_n *= 2; 355 } else if (priv->config.cqe_comp && rxq_data->hw_timestamp) { 356 DRV_LOG(DEBUG, 357 "Port %u Rx CQE compression is disabled for HW" 358 " timestamp.", 359 dev->data->port_id); 360 } else if (priv->config.cqe_comp && rxq_data->lro) { 361 DRV_LOG(DEBUG, 362 "Port %u Rx CQE compression is disabled for LRO.", 363 dev->data->port_id); 364 } 365 cq_attr.uar_page_id = mlx5_os_get_devx_uar_page_id(sh->devx_rx_uar); 366 log_cqe_n = log2above(cqe_n); 367 /* Create CQ using DevX API. */ 368 ret = mlx5_devx_cq_create(sh->ctx, &rxq_ctrl->obj->cq_obj, log_cqe_n, 369 &cq_attr, sh->numa_node); 370 if (ret) 371 return ret; 372 cq_obj = &rxq_ctrl->obj->cq_obj; 373 rxq_data->cqes = (volatile struct mlx5_cqe (*)[]) 374 (uintptr_t)cq_obj->cqes; 375 rxq_data->cq_db = cq_obj->db_rec; 376 rxq_data->cq_uar = mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar); 377 rxq_data->cqe_n = log_cqe_n; 378 rxq_data->cqn = cq_obj->cq->id; 379 if (rxq_ctrl->obj->devx_channel) { 380 ret = mlx5_os_devx_subscribe_devx_event 381 (rxq_ctrl->obj->devx_channel, 382 cq_obj->cq->obj, 383 sizeof(event_nums), 384 event_nums, 385 (uint64_t)(uintptr_t)cq_obj->cq); 386 if (ret) { 387 DRV_LOG(ERR, "Fail to subscribe CQ to event channel."); 388 ret = errno; 389 mlx5_devx_cq_destroy(cq_obj); 390 memset(cq_obj, 0, sizeof(*cq_obj)); 391 rte_errno = ret; 392 return -ret; 393 } 394 } 395 return 0; 396 } 397 398 /** 399 * Create the Rx hairpin queue object. 400 * 401 * @param dev 402 * Pointer to Ethernet device. 403 * @param idx 404 * Queue index in DPDK Rx queue array. 405 * 406 * @return 407 * 0 on success, a negative errno value otherwise and rte_errno is set. 408 */ 409 static int 410 mlx5_rxq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx) 411 { 412 struct mlx5_priv *priv = dev->data->dev_private; 413 struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx]; 414 struct mlx5_rxq_ctrl *rxq_ctrl = 415 container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); 416 struct mlx5_devx_create_rq_attr attr = { 0 }; 417 struct mlx5_rxq_obj *tmpl = rxq_ctrl->obj; 418 uint32_t max_wq_data; 419 420 MLX5_ASSERT(rxq_data); 421 MLX5_ASSERT(tmpl); 422 tmpl->rxq_ctrl = rxq_ctrl; 423 attr.hairpin = 1; 424 max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz; 425 /* Jumbo frames > 9KB should be supported, and more packets. */ 426 if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) { 427 if (priv->config.log_hp_size > max_wq_data) { 428 DRV_LOG(ERR, "Total data size %u power of 2 is " 429 "too large for hairpin.", 430 priv->config.log_hp_size); 431 rte_errno = ERANGE; 432 return -rte_errno; 433 } 434 attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size; 435 } else { 436 attr.wq_attr.log_hairpin_data_sz = 437 (max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ? 438 max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE; 439 } 440 /* Set the packets number to the maximum value for performance. */ 441 attr.wq_attr.log_hairpin_num_packets = 442 attr.wq_attr.log_hairpin_data_sz - 443 MLX5_HAIRPIN_QUEUE_STRIDE; 444 attr.counter_set_id = priv->counter_set_id; 445 tmpl->rq = mlx5_devx_cmd_create_rq(priv->sh->ctx, &attr, 446 rxq_ctrl->socket); 447 if (!tmpl->rq) { 448 DRV_LOG(ERR, 449 "Port %u Rx hairpin queue %u can't create rq object.", 450 dev->data->port_id, idx); 451 rte_errno = errno; 452 return -rte_errno; 453 } 454 dev->data->rx_queue_state[idx] = RTE_ETH_QUEUE_STATE_HAIRPIN; 455 return 0; 456 } 457 458 /** 459 * Create the Rx queue DevX object. 460 * 461 * @param dev 462 * Pointer to Ethernet device. 463 * @param idx 464 * Queue index in DPDK Rx queue array. 465 * 466 * @return 467 * 0 on success, a negative errno value otherwise and rte_errno is set. 468 */ 469 static int 470 mlx5_rxq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx) 471 { 472 struct mlx5_priv *priv = dev->data->dev_private; 473 struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx]; 474 struct mlx5_rxq_ctrl *rxq_ctrl = 475 container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); 476 struct mlx5_rxq_obj *tmpl = rxq_ctrl->obj; 477 int ret = 0; 478 479 MLX5_ASSERT(rxq_data); 480 MLX5_ASSERT(tmpl); 481 if (rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN) 482 return mlx5_rxq_obj_hairpin_new(dev, idx); 483 tmpl->rxq_ctrl = rxq_ctrl; 484 if (rxq_ctrl->irq) { 485 int devx_ev_flag = 486 MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA; 487 488 tmpl->devx_channel = mlx5_os_devx_create_event_channel 489 (priv->sh->ctx, 490 devx_ev_flag); 491 if (!tmpl->devx_channel) { 492 rte_errno = errno; 493 DRV_LOG(ERR, "Failed to create event channel %d.", 494 rte_errno); 495 goto error; 496 } 497 tmpl->fd = mlx5_os_get_devx_channel_fd(tmpl->devx_channel); 498 } 499 /* Create CQ using DevX API. */ 500 ret = mlx5_rxq_create_devx_cq_resources(dev, idx); 501 if (ret) { 502 DRV_LOG(ERR, "Failed to create CQ."); 503 goto error; 504 } 505 /* Create RQ using DevX API. */ 506 ret = mlx5_rxq_create_devx_rq_resources(dev, idx); 507 if (ret) { 508 DRV_LOG(ERR, "Port %u Rx queue %u RQ creation failure.", 509 dev->data->port_id, idx); 510 rte_errno = ENOMEM; 511 goto error; 512 } 513 /* Change queue state to ready. */ 514 ret = mlx5_devx_modify_rq(tmpl, MLX5_RXQ_MOD_RST2RDY); 515 if (ret) 516 goto error; 517 rxq_data->wqes = (void *)(uintptr_t)tmpl->rq_obj.umem_buf; 518 rxq_data->rq_db = (uint32_t *)(uintptr_t)tmpl->rq_obj.db_rec; 519 rxq_data->cq_arm_sn = 0; 520 rxq_data->cq_ci = 0; 521 mlx5_rxq_initialize(rxq_data); 522 dev->data->rx_queue_state[idx] = RTE_ETH_QUEUE_STATE_STARTED; 523 rxq_ctrl->wqn = tmpl->rq_obj.rq->id; 524 return 0; 525 error: 526 ret = rte_errno; /* Save rte_errno before cleanup. */ 527 mlx5_rxq_devx_obj_release(tmpl); 528 rte_errno = ret; /* Restore rte_errno. */ 529 return -rte_errno; 530 } 531 532 /** 533 * Prepare RQT attribute structure for DevX RQT API. 534 * 535 * @param dev 536 * Pointer to Ethernet device. 537 * @param log_n 538 * Log of number of queues in the array. 539 * @param ind_tbl 540 * DevX indirection table object. 541 * 542 * @return 543 * The RQT attr object initialized, NULL otherwise and rte_errno is set. 544 */ 545 static struct mlx5_devx_rqt_attr * 546 mlx5_devx_ind_table_create_rqt_attr(struct rte_eth_dev *dev, 547 const unsigned int log_n, 548 const uint16_t *queues, 549 const uint32_t queues_n) 550 { 551 struct mlx5_priv *priv = dev->data->dev_private; 552 struct mlx5_devx_rqt_attr *rqt_attr = NULL; 553 const unsigned int rqt_n = 1 << log_n; 554 unsigned int i, j; 555 556 rqt_attr = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt_attr) + 557 rqt_n * sizeof(uint32_t), 0, SOCKET_ID_ANY); 558 if (!rqt_attr) { 559 DRV_LOG(ERR, "Port %u cannot allocate RQT resources.", 560 dev->data->port_id); 561 rte_errno = ENOMEM; 562 return NULL; 563 } 564 rqt_attr->rqt_max_size = priv->config.ind_table_max_size; 565 rqt_attr->rqt_actual_size = rqt_n; 566 for (i = 0; i != queues_n; ++i) { 567 struct mlx5_rxq_data *rxq = (*priv->rxqs)[queues[i]]; 568 struct mlx5_rxq_ctrl *rxq_ctrl = 569 container_of(rxq, struct mlx5_rxq_ctrl, rxq); 570 571 rqt_attr->rq_list[i] = rxq_ctrl->obj->rq_obj.rq->id; 572 } 573 MLX5_ASSERT(i > 0); 574 for (j = 0; i != rqt_n; ++j, ++i) 575 rqt_attr->rq_list[i] = rqt_attr->rq_list[j]; 576 return rqt_attr; 577 } 578 579 /** 580 * Create RQT using DevX API as a filed of indirection table. 581 * 582 * @param dev 583 * Pointer to Ethernet device. 584 * @param log_n 585 * Log of number of queues in the array. 586 * @param ind_tbl 587 * DevX indirection table object. 588 * 589 * @return 590 * 0 on success, a negative errno value otherwise and rte_errno is set. 591 */ 592 static int 593 mlx5_devx_ind_table_new(struct rte_eth_dev *dev, const unsigned int log_n, 594 struct mlx5_ind_table_obj *ind_tbl) 595 { 596 struct mlx5_priv *priv = dev->data->dev_private; 597 struct mlx5_devx_rqt_attr *rqt_attr = NULL; 598 599 MLX5_ASSERT(ind_tbl); 600 rqt_attr = mlx5_devx_ind_table_create_rqt_attr(dev, log_n, 601 ind_tbl->queues, 602 ind_tbl->queues_n); 603 if (!rqt_attr) 604 return -rte_errno; 605 ind_tbl->rqt = mlx5_devx_cmd_create_rqt(priv->sh->ctx, rqt_attr); 606 mlx5_free(rqt_attr); 607 if (!ind_tbl->rqt) { 608 DRV_LOG(ERR, "Port %u cannot create DevX RQT.", 609 dev->data->port_id); 610 rte_errno = errno; 611 return -rte_errno; 612 } 613 return 0; 614 } 615 616 /** 617 * Modify RQT using DevX API as a filed of indirection table. 618 * 619 * @param dev 620 * Pointer to Ethernet device. 621 * @param log_n 622 * Log of number of queues in the array. 623 * @param ind_tbl 624 * DevX indirection table object. 625 * 626 * @return 627 * 0 on success, a negative errno value otherwise and rte_errno is set. 628 */ 629 static int 630 mlx5_devx_ind_table_modify(struct rte_eth_dev *dev, const unsigned int log_n, 631 const uint16_t *queues, const uint32_t queues_n, 632 struct mlx5_ind_table_obj *ind_tbl) 633 { 634 int ret = 0; 635 struct mlx5_devx_rqt_attr *rqt_attr = NULL; 636 637 MLX5_ASSERT(ind_tbl); 638 rqt_attr = mlx5_devx_ind_table_create_rqt_attr(dev, log_n, 639 queues, 640 queues_n); 641 if (!rqt_attr) 642 return -rte_errno; 643 ret = mlx5_devx_cmd_modify_rqt(ind_tbl->rqt, rqt_attr); 644 mlx5_free(rqt_attr); 645 if (ret) 646 DRV_LOG(ERR, "Port %u cannot modify DevX RQT.", 647 dev->data->port_id); 648 return ret; 649 } 650 651 /** 652 * Destroy the DevX RQT object. 653 * 654 * @param ind_table 655 * Indirection table to release. 656 */ 657 static void 658 mlx5_devx_ind_table_destroy(struct mlx5_ind_table_obj *ind_tbl) 659 { 660 claim_zero(mlx5_devx_cmd_destroy(ind_tbl->rqt)); 661 } 662 663 /** 664 * Set TIR attribute struct with relevant input values. 665 * 666 * @param[in] dev 667 * Pointer to Ethernet device. 668 * @param[in] rss_key 669 * RSS key for the Rx hash queue. 670 * @param[in] hash_fields 671 * Verbs protocol hash field to make the RSS on. 672 * @param[in] ind_tbl 673 * Indirection table for TIR. 674 * @param[in] tunnel 675 * Tunnel type. 676 * @param[out] tir_attr 677 * Parameters structure for TIR creation/modification. 678 * 679 * @return 680 * The Verbs/DevX object initialised index, 0 otherwise and rte_errno is set. 681 */ 682 static void 683 mlx5_devx_tir_attr_set(struct rte_eth_dev *dev, const uint8_t *rss_key, 684 uint64_t hash_fields, 685 const struct mlx5_ind_table_obj *ind_tbl, 686 int tunnel, struct mlx5_devx_tir_attr *tir_attr) 687 { 688 struct mlx5_priv *priv = dev->data->dev_private; 689 struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[ind_tbl->queues[0]]; 690 struct mlx5_rxq_ctrl *rxq_ctrl = 691 container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); 692 enum mlx5_rxq_type rxq_obj_type = rxq_ctrl->type; 693 bool lro = true; 694 uint32_t i; 695 696 /* Enable TIR LRO only if all the queues were configured for. */ 697 for (i = 0; i < ind_tbl->queues_n; ++i) { 698 if (!(*priv->rxqs)[ind_tbl->queues[i]]->lro) { 699 lro = false; 700 break; 701 } 702 } 703 memset(tir_attr, 0, sizeof(*tir_attr)); 704 tir_attr->disp_type = MLX5_TIRC_DISP_TYPE_INDIRECT; 705 tir_attr->rx_hash_fn = MLX5_RX_HASH_FN_TOEPLITZ; 706 tir_attr->tunneled_offload_en = !!tunnel; 707 /* If needed, translate hash_fields bitmap to PRM format. */ 708 if (hash_fields) { 709 struct mlx5_rx_hash_field_select *rx_hash_field_select = 710 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT 711 hash_fields & IBV_RX_HASH_INNER ? 712 &tir_attr->rx_hash_field_selector_inner : 713 #endif 714 &tir_attr->rx_hash_field_selector_outer; 715 /* 1 bit: 0: IPv4, 1: IPv6. */ 716 rx_hash_field_select->l3_prot_type = 717 !!(hash_fields & MLX5_IPV6_IBV_RX_HASH); 718 /* 1 bit: 0: TCP, 1: UDP. */ 719 rx_hash_field_select->l4_prot_type = 720 !!(hash_fields & MLX5_UDP_IBV_RX_HASH); 721 /* Bitmask which sets which fields to use in RX Hash. */ 722 rx_hash_field_select->selected_fields = 723 ((!!(hash_fields & MLX5_L3_SRC_IBV_RX_HASH)) << 724 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP) | 725 (!!(hash_fields & MLX5_L3_DST_IBV_RX_HASH)) << 726 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_DST_IP | 727 (!!(hash_fields & MLX5_L4_SRC_IBV_RX_HASH)) << 728 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT | 729 (!!(hash_fields & MLX5_L4_DST_IBV_RX_HASH)) << 730 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT; 731 } 732 if (rxq_obj_type == MLX5_RXQ_TYPE_HAIRPIN) 733 tir_attr->transport_domain = priv->sh->td->id; 734 else 735 tir_attr->transport_domain = priv->sh->tdn; 736 memcpy(tir_attr->rx_hash_toeplitz_key, rss_key, MLX5_RSS_HASH_KEY_LEN); 737 tir_attr->indirect_table = ind_tbl->rqt->id; 738 if (dev->data->dev_conf.lpbk_mode) 739 tir_attr->self_lb_block = 740 MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 741 if (lro) { 742 tir_attr->lro_timeout_period_usecs = priv->config.lro.timeout; 743 tir_attr->lro_max_msg_sz = priv->max_lro_msg_size; 744 tir_attr->lro_enable_mask = 745 MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | 746 MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO; 747 } 748 } 749 750 /** 751 * Create an Rx Hash queue. 752 * 753 * @param dev 754 * Pointer to Ethernet device. 755 * @param hrxq 756 * Pointer to Rx Hash queue. 757 * @param tunnel 758 * Tunnel type. 759 * 760 * @return 761 * 0 on success, a negative errno value otherwise and rte_errno is set. 762 */ 763 static int 764 mlx5_devx_hrxq_new(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq, 765 int tunnel __rte_unused) 766 { 767 struct mlx5_priv *priv = dev->data->dev_private; 768 struct mlx5_devx_tir_attr tir_attr = {0}; 769 int err; 770 771 mlx5_devx_tir_attr_set(dev, hrxq->rss_key, hrxq->hash_fields, 772 hrxq->ind_table, tunnel, &tir_attr); 773 hrxq->tir = mlx5_devx_cmd_create_tir(priv->sh->ctx, &tir_attr); 774 if (!hrxq->tir) { 775 DRV_LOG(ERR, "Port %u cannot create DevX TIR.", 776 dev->data->port_id); 777 rte_errno = errno; 778 goto error; 779 } 780 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H) 781 if (mlx5_flow_os_create_flow_action_dest_devx_tir(hrxq->tir, 782 &hrxq->action)) { 783 rte_errno = errno; 784 goto error; 785 } 786 #endif 787 return 0; 788 error: 789 err = rte_errno; /* Save rte_errno before cleanup. */ 790 if (hrxq->tir) 791 claim_zero(mlx5_devx_cmd_destroy(hrxq->tir)); 792 rte_errno = err; /* Restore rte_errno. */ 793 return -rte_errno; 794 } 795 796 /** 797 * Destroy a DevX TIR object. 798 * 799 * @param hrxq 800 * Hash Rx queue to release its tir. 801 */ 802 static void 803 mlx5_devx_tir_destroy(struct mlx5_hrxq *hrxq) 804 { 805 claim_zero(mlx5_devx_cmd_destroy(hrxq->tir)); 806 } 807 808 /** 809 * Modify an Rx Hash queue configuration. 810 * 811 * @param dev 812 * Pointer to Ethernet device. 813 * @param hrxq 814 * Hash Rx queue to modify. 815 * @param rss_key 816 * RSS key for the Rx hash queue. 817 * @param hash_fields 818 * Verbs protocol hash field to make the RSS on. 819 * @param[in] ind_tbl 820 * Indirection table for TIR. 821 * 822 * @return 823 * 0 on success, a negative errno value otherwise and rte_errno is set. 824 */ 825 static int 826 mlx5_devx_hrxq_modify(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq, 827 const uint8_t *rss_key, 828 uint64_t hash_fields, 829 const struct mlx5_ind_table_obj *ind_tbl) 830 { 831 struct mlx5_devx_modify_tir_attr modify_tir = {0}; 832 833 /* 834 * untested for modification fields: 835 * - rx_hash_symmetric not set in hrxq_new(), 836 * - rx_hash_fn set hard-coded in hrxq_new(), 837 * - lro_xxx not set after rxq setup 838 */ 839 if (ind_tbl != hrxq->ind_table) 840 modify_tir.modify_bitmask |= 841 MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE; 842 if (hash_fields != hrxq->hash_fields || 843 memcmp(hrxq->rss_key, rss_key, MLX5_RSS_HASH_KEY_LEN)) 844 modify_tir.modify_bitmask |= 845 MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH; 846 mlx5_devx_tir_attr_set(dev, rss_key, hash_fields, ind_tbl, 847 0, /* N/A - tunnel modification unsupported */ 848 &modify_tir.tir); 849 modify_tir.tirn = hrxq->tir->id; 850 if (mlx5_devx_cmd_modify_tir(hrxq->tir, &modify_tir)) { 851 DRV_LOG(ERR, "port %u cannot modify DevX TIR", 852 dev->data->port_id); 853 rte_errno = errno; 854 return -rte_errno; 855 } 856 return 0; 857 } 858 859 /** 860 * Create a DevX drop action for Rx Hash queue. 861 * 862 * @param dev 863 * Pointer to Ethernet device. 864 * 865 * @return 866 * 0 on success, a negative errno value otherwise and rte_errno is set. 867 */ 868 static int 869 mlx5_devx_drop_action_create(struct rte_eth_dev *dev) 870 { 871 (void)dev; 872 DRV_LOG(ERR, "DevX drop action is not supported yet."); 873 rte_errno = ENOTSUP; 874 return -rte_errno; 875 } 876 877 /** 878 * Release a drop hash Rx queue. 879 * 880 * @param dev 881 * Pointer to Ethernet device. 882 */ 883 static void 884 mlx5_devx_drop_action_destroy(struct rte_eth_dev *dev) 885 { 886 (void)dev; 887 DRV_LOG(ERR, "DevX drop action is not supported yet."); 888 rte_errno = ENOTSUP; 889 } 890 891 /** 892 * Create the Tx hairpin queue object. 893 * 894 * @param dev 895 * Pointer to Ethernet device. 896 * @param idx 897 * Queue index in DPDK Tx queue array. 898 * 899 * @return 900 * 0 on success, a negative errno value otherwise and rte_errno is set. 901 */ 902 static int 903 mlx5_txq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx) 904 { 905 struct mlx5_priv *priv = dev->data->dev_private; 906 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx]; 907 struct mlx5_txq_ctrl *txq_ctrl = 908 container_of(txq_data, struct mlx5_txq_ctrl, txq); 909 struct mlx5_devx_create_sq_attr attr = { 0 }; 910 struct mlx5_txq_obj *tmpl = txq_ctrl->obj; 911 uint32_t max_wq_data; 912 913 MLX5_ASSERT(txq_data); 914 MLX5_ASSERT(tmpl); 915 tmpl->txq_ctrl = txq_ctrl; 916 attr.hairpin = 1; 917 attr.tis_lst_sz = 1; 918 max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz; 919 /* Jumbo frames > 9KB should be supported, and more packets. */ 920 if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) { 921 if (priv->config.log_hp_size > max_wq_data) { 922 DRV_LOG(ERR, "Total data size %u power of 2 is " 923 "too large for hairpin.", 924 priv->config.log_hp_size); 925 rte_errno = ERANGE; 926 return -rte_errno; 927 } 928 attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size; 929 } else { 930 attr.wq_attr.log_hairpin_data_sz = 931 (max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ? 932 max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE; 933 } 934 /* Set the packets number to the maximum value for performance. */ 935 attr.wq_attr.log_hairpin_num_packets = 936 attr.wq_attr.log_hairpin_data_sz - 937 MLX5_HAIRPIN_QUEUE_STRIDE; 938 attr.tis_num = priv->sh->tis->id; 939 tmpl->sq = mlx5_devx_cmd_create_sq(priv->sh->ctx, &attr); 940 if (!tmpl->sq) { 941 DRV_LOG(ERR, 942 "Port %u tx hairpin queue %u can't create SQ object.", 943 dev->data->port_id, idx); 944 rte_errno = errno; 945 return -rte_errno; 946 } 947 return 0; 948 } 949 950 #if defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) || !defined(HAVE_INFINIBAND_VERBS_H) 951 /** 952 * Destroy the Tx queue DevX object. 953 * 954 * @param txq_obj 955 * Txq object to destroy. 956 */ 957 static void 958 mlx5_txq_release_devx_resources(struct mlx5_txq_obj *txq_obj) 959 { 960 mlx5_devx_sq_destroy(&txq_obj->sq_obj); 961 memset(&txq_obj->sq_obj, 0, sizeof(txq_obj->sq_obj)); 962 mlx5_devx_cq_destroy(&txq_obj->cq_obj); 963 memset(&txq_obj->cq_obj, 0, sizeof(txq_obj->cq_obj)); 964 } 965 966 /** 967 * Create a SQ object and its resources using DevX. 968 * 969 * @param dev 970 * Pointer to Ethernet device. 971 * @param idx 972 * Queue index in DPDK Tx queue array. 973 * @param[in] log_desc_n 974 * Log of number of descriptors in queue. 975 * 976 * @return 977 * 0 on success, a negative errno value otherwise and rte_errno is set. 978 */ 979 static int 980 mlx5_txq_create_devx_sq_resources(struct rte_eth_dev *dev, uint16_t idx, 981 uint16_t log_desc_n) 982 { 983 struct mlx5_priv *priv = dev->data->dev_private; 984 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx]; 985 struct mlx5_txq_ctrl *txq_ctrl = 986 container_of(txq_data, struct mlx5_txq_ctrl, txq); 987 struct mlx5_txq_obj *txq_obj = txq_ctrl->obj; 988 struct mlx5_devx_create_sq_attr sq_attr = { 989 .flush_in_error_en = 1, 990 .allow_multi_pkt_send_wqe = !!priv->config.mps, 991 .min_wqe_inline_mode = priv->config.hca_attr.vport_inline_mode, 992 .allow_swp = !!priv->config.swp, 993 .cqn = txq_obj->cq_obj.cq->id, 994 .tis_lst_sz = 1, 995 .tis_num = priv->sh->tis->id, 996 .wq_attr = (struct mlx5_devx_wq_attr){ 997 .pd = priv->sh->pdn, 998 .uar_page = 999 mlx5_os_get_devx_uar_page_id(priv->sh->tx_uar), 1000 }, 1001 .ts_format = mlx5_ts_format_conv(priv->sh->sq_ts_format), 1002 }; 1003 /* Create Send Queue object with DevX. */ 1004 return mlx5_devx_sq_create(priv->sh->ctx, &txq_obj->sq_obj, log_desc_n, 1005 &sq_attr, priv->sh->numa_node); 1006 } 1007 #endif 1008 1009 /** 1010 * Create the Tx queue DevX object. 1011 * 1012 * @param dev 1013 * Pointer to Ethernet device. 1014 * @param idx 1015 * Queue index in DPDK Tx queue array. 1016 * 1017 * @return 1018 * 0 on success, a negative errno value otherwise and rte_errno is set. 1019 */ 1020 int 1021 mlx5_txq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx) 1022 { 1023 struct mlx5_priv *priv = dev->data->dev_private; 1024 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx]; 1025 struct mlx5_txq_ctrl *txq_ctrl = 1026 container_of(txq_data, struct mlx5_txq_ctrl, txq); 1027 1028 if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) 1029 return mlx5_txq_obj_hairpin_new(dev, idx); 1030 #if !defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) && defined(HAVE_INFINIBAND_VERBS_H) 1031 DRV_LOG(ERR, "Port %u Tx queue %u cannot create with DevX, no UAR.", 1032 dev->data->port_id, idx); 1033 rte_errno = ENOMEM; 1034 return -rte_errno; 1035 #else 1036 struct mlx5_dev_ctx_shared *sh = priv->sh; 1037 struct mlx5_txq_obj *txq_obj = txq_ctrl->obj; 1038 struct mlx5_devx_cq_attr cq_attr = { 1039 .uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar), 1040 }; 1041 void *reg_addr; 1042 uint32_t cqe_n, log_desc_n; 1043 uint32_t wqe_n, wqe_size; 1044 int ret = 0; 1045 1046 MLX5_ASSERT(txq_data); 1047 MLX5_ASSERT(txq_obj); 1048 txq_obj->txq_ctrl = txq_ctrl; 1049 txq_obj->dev = dev; 1050 cqe_n = (1UL << txq_data->elts_n) / MLX5_TX_COMP_THRESH + 1051 1 + MLX5_TX_COMP_THRESH_INLINE_DIV; 1052 log_desc_n = log2above(cqe_n); 1053 cqe_n = 1UL << log_desc_n; 1054 if (cqe_n > UINT16_MAX) { 1055 DRV_LOG(ERR, "Port %u Tx queue %u requests to many CQEs %u.", 1056 dev->data->port_id, txq_data->idx, cqe_n); 1057 rte_errno = EINVAL; 1058 return 0; 1059 } 1060 /* Create completion queue object with DevX. */ 1061 ret = mlx5_devx_cq_create(sh->ctx, &txq_obj->cq_obj, log_desc_n, 1062 &cq_attr, priv->sh->numa_node); 1063 if (ret) { 1064 DRV_LOG(ERR, "Port %u Tx queue %u CQ creation failure.", 1065 dev->data->port_id, idx); 1066 goto error; 1067 } 1068 txq_data->cqe_n = log_desc_n; 1069 txq_data->cqe_s = cqe_n; 1070 txq_data->cqe_m = txq_data->cqe_s - 1; 1071 txq_data->cqes = txq_obj->cq_obj.cqes; 1072 txq_data->cq_ci = 0; 1073 txq_data->cq_pi = 0; 1074 txq_data->cq_db = txq_obj->cq_obj.db_rec; 1075 *txq_data->cq_db = 0; 1076 /* 1077 * Adjust the amount of WQEs depending on inline settings. 1078 * The number of descriptors should be enough to handle 1079 * the specified number of packets. If queue is being created 1080 * with Verbs the rdma-core does queue size adjustment 1081 * internally in the mlx5_calc_sq_size(), we do the same 1082 * for the queue being created with DevX at this point. 1083 */ 1084 wqe_size = txq_data->tso_en ? 1085 RTE_ALIGN(txq_ctrl->max_tso_header, MLX5_WSEG_SIZE) : 0; 1086 wqe_size += sizeof(struct mlx5_wqe_cseg) + 1087 sizeof(struct mlx5_wqe_eseg) + 1088 sizeof(struct mlx5_wqe_dseg); 1089 if (txq_data->inlen_send) 1090 wqe_size = RTE_MAX(wqe_size, sizeof(struct mlx5_wqe_cseg) + 1091 sizeof(struct mlx5_wqe_eseg) + 1092 RTE_ALIGN(txq_data->inlen_send + 1093 sizeof(uint32_t), 1094 MLX5_WSEG_SIZE)); 1095 wqe_size = RTE_ALIGN(wqe_size, MLX5_WQE_SIZE) / MLX5_WQE_SIZE; 1096 /* Create Send Queue object with DevX. */ 1097 wqe_n = RTE_MIN((1UL << txq_data->elts_n) * wqe_size, 1098 (uint32_t)priv->sh->device_attr.max_qp_wr); 1099 log_desc_n = log2above(wqe_n); 1100 ret = mlx5_txq_create_devx_sq_resources(dev, idx, log_desc_n); 1101 if (ret) { 1102 DRV_LOG(ERR, "Port %u Tx queue %u SQ creation failure.", 1103 dev->data->port_id, idx); 1104 rte_errno = errno; 1105 goto error; 1106 } 1107 /* Create the Work Queue. */ 1108 txq_data->wqe_n = log_desc_n; 1109 txq_data->wqe_s = 1 << txq_data->wqe_n; 1110 txq_data->wqe_m = txq_data->wqe_s - 1; 1111 txq_data->wqes = (struct mlx5_wqe *)(uintptr_t)txq_obj->sq_obj.wqes; 1112 txq_data->wqes_end = txq_data->wqes + txq_data->wqe_s; 1113 txq_data->wqe_ci = 0; 1114 txq_data->wqe_pi = 0; 1115 txq_data->wqe_comp = 0; 1116 txq_data->wqe_thres = txq_data->wqe_s / MLX5_TX_COMP_THRESH_INLINE_DIV; 1117 txq_data->qp_db = &txq_obj->sq_obj.db_rec[MLX5_SND_DBR]; 1118 *txq_data->qp_db = 0; 1119 txq_data->qp_num_8s = txq_obj->sq_obj.sq->id << 8; 1120 /* Change Send Queue state to Ready-to-Send. */ 1121 ret = mlx5_devx_modify_sq(txq_obj, MLX5_TXQ_MOD_RST2RDY, 0); 1122 if (ret) { 1123 rte_errno = errno; 1124 DRV_LOG(ERR, 1125 "Port %u Tx queue %u SQ state to SQC_STATE_RDY failed.", 1126 dev->data->port_id, idx); 1127 goto error; 1128 } 1129 #ifdef HAVE_IBV_FLOW_DV_SUPPORT 1130 /* 1131 * If using DevX need to query and store TIS transport domain value. 1132 * This is done once per port. 1133 * Will use this value on Rx, when creating matching TIR. 1134 */ 1135 if (!priv->sh->tdn) 1136 priv->sh->tdn = priv->sh->td->id; 1137 #endif 1138 MLX5_ASSERT(sh->tx_uar); 1139 reg_addr = mlx5_os_get_devx_uar_reg_addr(sh->tx_uar); 1140 MLX5_ASSERT(reg_addr); 1141 txq_ctrl->bf_reg = reg_addr; 1142 txq_ctrl->uar_mmap_offset = 1143 mlx5_os_get_devx_uar_mmap_offset(sh->tx_uar); 1144 txq_uar_init(txq_ctrl); 1145 dev->data->tx_queue_state[idx] = RTE_ETH_QUEUE_STATE_STARTED; 1146 return 0; 1147 error: 1148 ret = rte_errno; /* Save rte_errno before cleanup. */ 1149 mlx5_txq_release_devx_resources(txq_obj); 1150 rte_errno = ret; /* Restore rte_errno. */ 1151 return -rte_errno; 1152 #endif 1153 } 1154 1155 /** 1156 * Release an Tx DevX queue object. 1157 * 1158 * @param txq_obj 1159 * DevX Tx queue object. 1160 */ 1161 void 1162 mlx5_txq_devx_obj_release(struct mlx5_txq_obj *txq_obj) 1163 { 1164 MLX5_ASSERT(txq_obj); 1165 if (txq_obj->txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) { 1166 if (txq_obj->tis) 1167 claim_zero(mlx5_devx_cmd_destroy(txq_obj->tis)); 1168 #if defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) || !defined(HAVE_INFINIBAND_VERBS_H) 1169 } else { 1170 mlx5_txq_release_devx_resources(txq_obj); 1171 #endif 1172 } 1173 } 1174 1175 struct mlx5_obj_ops devx_obj_ops = { 1176 .rxq_obj_modify_vlan_strip = mlx5_rxq_obj_modify_rq_vlan_strip, 1177 .rxq_obj_new = mlx5_rxq_devx_obj_new, 1178 .rxq_event_get = mlx5_rx_devx_get_event, 1179 .rxq_obj_modify = mlx5_devx_modify_rq, 1180 .rxq_obj_release = mlx5_rxq_devx_obj_release, 1181 .ind_table_new = mlx5_devx_ind_table_new, 1182 .ind_table_modify = mlx5_devx_ind_table_modify, 1183 .ind_table_destroy = mlx5_devx_ind_table_destroy, 1184 .hrxq_new = mlx5_devx_hrxq_new, 1185 .hrxq_destroy = mlx5_devx_tir_destroy, 1186 .hrxq_modify = mlx5_devx_hrxq_modify, 1187 .drop_action_create = mlx5_devx_drop_action_create, 1188 .drop_action_destroy = mlx5_devx_drop_action_destroy, 1189 .txq_obj_new = mlx5_txq_devx_obj_new, 1190 .txq_obj_modify = mlx5_devx_modify_sq, 1191 .txq_obj_release = mlx5_txq_devx_obj_release, 1192 .lb_dummy_queue_create = NULL, 1193 .lb_dummy_queue_release = NULL, 1194 }; 1195