1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
15 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
17 #pragma GCC diagnostic ignored "-Wpedantic"
19 #include <infiniband/verbs.h>
20 #include <infiniband/mlx5dv.h>
22 #pragma GCC diagnostic error "-Wpedantic"
26 #include <rte_malloc.h>
27 #include <rte_ethdev_driver.h>
28 #include <rte_common.h>
30 #include <mlx5_glue.h>
31 #include <mlx5_devx_cmds.h>
32 #include <mlx5_common.h>
33 #include <mlx5_common_mr.h>
35 #include "mlx5_defs.h"
36 #include "mlx5_utils.h"
38 #include "mlx5_rxtx.h"
39 #include "mlx5_autoconf.h"
42 * Allocate TX queue elements.
45 * Pointer to TX queue structure.
48 txq_alloc_elts(struct mlx5_txq_ctrl *txq_ctrl)
50 const unsigned int elts_n = 1 << txq_ctrl->txq.elts_n;
53 for (i = 0; (i != elts_n); ++i)
54 txq_ctrl->txq.elts[i] = NULL;
55 DRV_LOG(DEBUG, "port %u Tx queue %u allocated and configured %u WRs",
56 PORT_ID(txq_ctrl->priv), txq_ctrl->txq.idx, elts_n);
57 txq_ctrl->txq.elts_head = 0;
58 txq_ctrl->txq.elts_tail = 0;
59 txq_ctrl->txq.elts_comp = 0;
63 * Free TX queue elements.
66 * Pointer to TX queue structure.
69 txq_free_elts(struct mlx5_txq_ctrl *txq_ctrl)
71 const uint16_t elts_n = 1 << txq_ctrl->txq.elts_n;
72 const uint16_t elts_m = elts_n - 1;
73 uint16_t elts_head = txq_ctrl->txq.elts_head;
74 uint16_t elts_tail = txq_ctrl->txq.elts_tail;
75 struct rte_mbuf *(*elts)[elts_n] = &txq_ctrl->txq.elts;
77 DRV_LOG(DEBUG, "port %u Tx queue %u freeing WRs",
78 PORT_ID(txq_ctrl->priv), txq_ctrl->txq.idx);
79 txq_ctrl->txq.elts_head = 0;
80 txq_ctrl->txq.elts_tail = 0;
81 txq_ctrl->txq.elts_comp = 0;
83 while (elts_tail != elts_head) {
84 struct rte_mbuf *elt = (*elts)[elts_tail & elts_m];
86 MLX5_ASSERT(elt != NULL);
87 rte_pktmbuf_free_seg(elt);
88 #ifdef RTE_LIBRTE_MLX5_DEBUG
90 memset(&(*elts)[elts_tail & elts_m],
92 sizeof((*elts)[elts_tail & elts_m]));
99 * Returns the per-port supported offloads.
102 * Pointer to Ethernet device.
105 * Supported Tx offloads.
108 mlx5_get_tx_port_offloads(struct rte_eth_dev *dev)
110 struct mlx5_priv *priv = dev->data->dev_private;
111 uint64_t offloads = (DEV_TX_OFFLOAD_MULTI_SEGS |
112 DEV_TX_OFFLOAD_VLAN_INSERT);
113 struct mlx5_dev_config *config = &priv->config;
116 offloads |= (DEV_TX_OFFLOAD_IPV4_CKSUM |
117 DEV_TX_OFFLOAD_UDP_CKSUM |
118 DEV_TX_OFFLOAD_TCP_CKSUM);
120 offloads |= DEV_TX_OFFLOAD_TCP_TSO;
123 offloads |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
125 offloads |= (DEV_TX_OFFLOAD_IP_TNL_TSO |
126 DEV_TX_OFFLOAD_UDP_TNL_TSO);
128 if (config->tunnel_en) {
130 offloads |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
132 offloads |= (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
133 DEV_TX_OFFLOAD_GRE_TNL_TSO |
134 DEV_TX_OFFLOAD_GENEVE_TNL_TSO);
140 * Tx queue presetup checks.
143 * Pointer to Ethernet device structure.
147 * Number of descriptors to configure in queue.
150 * 0 on success, a negative errno value otherwise and rte_errno is set.
153 mlx5_tx_queue_pre_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc)
155 struct mlx5_priv *priv = dev->data->dev_private;
157 if (desc <= MLX5_TX_COMP_THRESH) {
159 "port %u number of descriptors requested for Tx queue"
160 " %u must be higher than MLX5_TX_COMP_THRESH, using %u"
162 dev->data->port_id, idx, MLX5_TX_COMP_THRESH + 1, desc);
163 desc = MLX5_TX_COMP_THRESH + 1;
165 if (!rte_is_power_of_2(desc)) {
166 desc = 1 << log2above(desc);
168 "port %u increased number of descriptors in Tx queue"
169 " %u to the next power of two (%d)",
170 dev->data->port_id, idx, desc);
172 DRV_LOG(DEBUG, "port %u configuring queue %u for %u descriptors",
173 dev->data->port_id, idx, desc);
174 if (idx >= priv->txqs_n) {
175 DRV_LOG(ERR, "port %u Tx queue index out of range (%u >= %u)",
176 dev->data->port_id, idx, priv->txqs_n);
177 rte_errno = EOVERFLOW;
180 if (!mlx5_txq_releasable(dev, idx)) {
182 DRV_LOG(ERR, "port %u unable to release queue index %u",
183 dev->data->port_id, idx);
186 mlx5_txq_release(dev, idx);
190 * DPDK callback to configure a TX queue.
193 * Pointer to Ethernet device structure.
197 * Number of descriptors to configure in queue.
199 * NUMA socket on which memory must be allocated.
201 * Thresholds parameters.
204 * 0 on success, a negative errno value otherwise and rte_errno is set.
207 mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
208 unsigned int socket, const struct rte_eth_txconf *conf)
210 struct mlx5_priv *priv = dev->data->dev_private;
211 struct mlx5_txq_data *txq = (*priv->txqs)[idx];
212 struct mlx5_txq_ctrl *txq_ctrl =
213 container_of(txq, struct mlx5_txq_ctrl, txq);
216 res = mlx5_tx_queue_pre_setup(dev, idx, desc);
219 txq_ctrl = mlx5_txq_new(dev, idx, desc, socket, conf);
221 DRV_LOG(ERR, "port %u unable to allocate queue index %u",
222 dev->data->port_id, idx);
225 DRV_LOG(DEBUG, "port %u adding Tx queue %u to list",
226 dev->data->port_id, idx);
227 (*priv->txqs)[idx] = &txq_ctrl->txq;
232 * DPDK callback to configure a TX hairpin queue.
235 * Pointer to Ethernet device structure.
239 * Number of descriptors to configure in queue.
240 * @param[in] hairpin_conf
241 * The hairpin binding configuration.
244 * 0 on success, a negative errno value otherwise and rte_errno is set.
247 mlx5_tx_hairpin_queue_setup(struct rte_eth_dev *dev, uint16_t idx,
249 const struct rte_eth_hairpin_conf *hairpin_conf)
251 struct mlx5_priv *priv = dev->data->dev_private;
252 struct mlx5_txq_data *txq = (*priv->txqs)[idx];
253 struct mlx5_txq_ctrl *txq_ctrl =
254 container_of(txq, struct mlx5_txq_ctrl, txq);
257 res = mlx5_tx_queue_pre_setup(dev, idx, desc);
260 if (hairpin_conf->peer_count != 1 ||
261 hairpin_conf->peers[0].port != dev->data->port_id ||
262 hairpin_conf->peers[0].queue >= priv->rxqs_n) {
263 DRV_LOG(ERR, "port %u unable to setup hairpin queue index %u "
264 " invalid hairpind configuration", dev->data->port_id,
269 txq_ctrl = mlx5_txq_hairpin_new(dev, idx, desc, hairpin_conf);
271 DRV_LOG(ERR, "port %u unable to allocate queue index %u",
272 dev->data->port_id, idx);
275 DRV_LOG(DEBUG, "port %u adding Tx queue %u to list",
276 dev->data->port_id, idx);
277 (*priv->txqs)[idx] = &txq_ctrl->txq;
282 * DPDK callback to release a TX queue.
285 * Generic TX queue pointer.
288 mlx5_tx_queue_release(void *dpdk_txq)
290 struct mlx5_txq_data *txq = (struct mlx5_txq_data *)dpdk_txq;
291 struct mlx5_txq_ctrl *txq_ctrl;
292 struct mlx5_priv *priv;
297 txq_ctrl = container_of(txq, struct mlx5_txq_ctrl, txq);
298 priv = txq_ctrl->priv;
299 for (i = 0; (i != priv->txqs_n); ++i)
300 if ((*priv->txqs)[i] == txq) {
301 mlx5_txq_release(ETH_DEV(priv), i);
302 DRV_LOG(DEBUG, "port %u removing Tx queue %u from list",
303 PORT_ID(priv), txq->idx);
309 * Configure the doorbell register non-cached attribute.
312 * Pointer to Tx queue control structure.
317 txq_uar_ncattr_init(struct mlx5_txq_ctrl *txq_ctrl, size_t page_size)
319 struct mlx5_priv *priv = txq_ctrl->priv;
322 txq_ctrl->txq.db_heu = priv->config.dbnc == MLX5_TXDB_HEURISTIC;
323 txq_ctrl->txq.db_nc = 0;
324 /* Check the doorbell register mapping type. */
325 cmd = txq_ctrl->uar_mmap_offset / page_size;
326 cmd >>= MLX5_UAR_MMAP_CMD_SHIFT;
327 cmd &= MLX5_UAR_MMAP_CMD_MASK;
328 if (cmd == MLX5_MMAP_GET_NC_PAGES_CMD)
329 txq_ctrl->txq.db_nc = 1;
333 * Initialize Tx UAR registers for primary process.
336 * Pointer to Tx queue control structure.
339 txq_uar_init(struct mlx5_txq_ctrl *txq_ctrl)
341 struct mlx5_priv *priv = txq_ctrl->priv;
342 struct mlx5_proc_priv *ppriv = MLX5_PROC_PRIV(PORT_ID(priv));
343 const size_t page_size = sysconf(_SC_PAGESIZE);
345 unsigned int lock_idx;
348 if (txq_ctrl->type != MLX5_TXQ_TYPE_STANDARD)
350 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
352 ppriv->uar_table[txq_ctrl->txq.idx] = txq_ctrl->bf_reg;
353 txq_uar_ncattr_init(txq_ctrl, page_size);
355 /* Assign an UAR lock according to UAR page number */
356 lock_idx = (txq_ctrl->uar_mmap_offset / page_size) &
357 MLX5_UAR_PAGE_NUM_MASK;
358 txq_ctrl->txq.uar_lock = &priv->uar_lock[lock_idx];
363 * Remap UAR register of a Tx queue for secondary process.
365 * Remapped address is stored at the table in the process private structure of
366 * the device, indexed by queue index.
369 * Pointer to Tx queue control structure.
371 * Verbs file descriptor to map UAR pages.
374 * 0 on success, a negative errno value otherwise and rte_errno is set.
377 txq_uar_init_secondary(struct mlx5_txq_ctrl *txq_ctrl, int fd)
379 struct mlx5_priv *priv = txq_ctrl->priv;
380 struct mlx5_proc_priv *ppriv = MLX5_PROC_PRIV(PORT_ID(priv));
381 struct mlx5_txq_data *txq = &txq_ctrl->txq;
385 const size_t page_size = sysconf(_SC_PAGESIZE);
387 if (txq_ctrl->type != MLX5_TXQ_TYPE_STANDARD)
391 * As rdma-core, UARs are mapped in size of OS page
392 * size. Ref to libmlx5 function: mlx5_init_context()
394 uar_va = (uintptr_t)txq_ctrl->bf_reg;
395 offset = uar_va & (page_size - 1); /* Offset in page. */
396 addr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, fd,
397 txq_ctrl->uar_mmap_offset);
398 if (addr == MAP_FAILED) {
400 "port %u mmap failed for BF reg of txq %u",
401 txq->port_id, txq->idx);
405 addr = RTE_PTR_ADD(addr, offset);
406 ppriv->uar_table[txq->idx] = addr;
407 txq_uar_ncattr_init(txq_ctrl, page_size);
412 * Unmap UAR register of a Tx queue for secondary process.
415 * Pointer to Tx queue control structure.
418 txq_uar_uninit_secondary(struct mlx5_txq_ctrl *txq_ctrl)
420 struct mlx5_proc_priv *ppriv = MLX5_PROC_PRIV(PORT_ID(txq_ctrl->priv));
421 const size_t page_size = sysconf(_SC_PAGESIZE);
424 if (txq_ctrl->type != MLX5_TXQ_TYPE_STANDARD)
426 addr = ppriv->uar_table[txq_ctrl->txq.idx];
427 munmap(RTE_PTR_ALIGN_FLOOR(addr, page_size), page_size);
431 * Initialize Tx UAR registers for secondary process.
434 * Pointer to Ethernet device.
436 * Verbs file descriptor to map UAR pages.
439 * 0 on success, a negative errno value otherwise and rte_errno is set.
442 mlx5_tx_uar_init_secondary(struct rte_eth_dev *dev, int fd)
444 struct mlx5_priv *priv = dev->data->dev_private;
445 struct mlx5_txq_data *txq;
446 struct mlx5_txq_ctrl *txq_ctrl;
450 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_SECONDARY);
451 for (i = 0; i != priv->txqs_n; ++i) {
452 if (!(*priv->txqs)[i])
454 txq = (*priv->txqs)[i];
455 txq_ctrl = container_of(txq, struct mlx5_txq_ctrl, txq);
456 if (txq_ctrl->type != MLX5_TXQ_TYPE_STANDARD)
458 MLX5_ASSERT(txq->idx == (uint16_t)i);
459 ret = txq_uar_init_secondary(txq_ctrl, fd);
467 if (!(*priv->txqs)[i])
469 txq = (*priv->txqs)[i];
470 txq_ctrl = container_of(txq, struct mlx5_txq_ctrl, txq);
471 txq_uar_uninit_secondary(txq_ctrl);
477 * Create the Tx hairpin queue object.
480 * Pointer to Ethernet device.
482 * Queue index in DPDK Tx queue array
485 * The hairpin DevX object initialised, NULL otherwise and rte_errno is set.
487 static struct mlx5_txq_obj *
488 mlx5_txq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx)
490 struct mlx5_priv *priv = dev->data->dev_private;
491 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
492 struct mlx5_txq_ctrl *txq_ctrl =
493 container_of(txq_data, struct mlx5_txq_ctrl, txq);
494 struct mlx5_devx_create_sq_attr attr = { 0 };
495 struct mlx5_txq_obj *tmpl = NULL;
497 uint32_t max_wq_data;
499 MLX5_ASSERT(txq_data);
500 MLX5_ASSERT(!txq_ctrl->obj);
501 tmpl = rte_calloc_socket(__func__, 1, sizeof(*tmpl), 0,
505 "port %u Tx queue %u cannot allocate memory resources",
506 dev->data->port_id, txq_data->idx);
510 tmpl->type = MLX5_TXQ_OBJ_TYPE_DEVX_HAIRPIN;
511 tmpl->txq_ctrl = txq_ctrl;
514 max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz;
515 /* Jumbo frames > 9KB should be supported, and more packets. */
516 if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) {
517 if (priv->config.log_hp_size > max_wq_data) {
518 DRV_LOG(ERR, "total data size %u power of 2 is "
519 "too large for hairpin",
520 priv->config.log_hp_size);
524 attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size;
526 attr.wq_attr.log_hairpin_data_sz =
527 (max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ?
528 max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE;
530 /* Set the packets number to the maximum value for performance. */
531 attr.wq_attr.log_hairpin_num_packets =
532 attr.wq_attr.log_hairpin_data_sz -
533 MLX5_HAIRPIN_QUEUE_STRIDE;
534 attr.tis_num = priv->sh->tis->id;
535 tmpl->sq = mlx5_devx_cmd_create_sq(priv->sh->ctx, &attr);
538 "port %u tx hairpin queue %u can't create sq object",
539 dev->data->port_id, idx);
543 DRV_LOG(DEBUG, "port %u sxq %u updated with %p", dev->data->port_id,
545 rte_atomic32_inc(&tmpl->refcnt);
546 LIST_INSERT_HEAD(&priv->txqsobj, tmpl, next);
549 ret = rte_errno; /* Save rte_errno before cleanup. */
551 mlx5_devx_cmd_destroy(tmpl->tis);
553 mlx5_devx_cmd_destroy(tmpl->sq);
554 rte_errno = ret; /* Restore rte_errno. */
559 * Create the Tx queue Verbs object.
562 * Pointer to Ethernet device.
564 * Queue index in DPDK Tx queue array.
566 * Type of the Tx queue object to create.
569 * The Verbs object initialised, NULL otherwise and rte_errno is set.
571 struct mlx5_txq_obj *
572 mlx5_txq_obj_new(struct rte_eth_dev *dev, uint16_t idx,
573 enum mlx5_txq_obj_type type)
575 struct mlx5_priv *priv = dev->data->dev_private;
576 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
577 struct mlx5_txq_ctrl *txq_ctrl =
578 container_of(txq_data, struct mlx5_txq_ctrl, txq);
579 struct mlx5_txq_obj tmpl;
580 struct mlx5_txq_obj *txq_obj = NULL;
582 struct ibv_qp_init_attr_ex init;
583 struct ibv_cq_init_attr_ex cq;
584 struct ibv_qp_attr mod;
587 struct mlx5dv_qp qp = { .comp_mask = MLX5DV_QP_MASK_UAR_MMAP_OFFSET };
588 struct mlx5dv_cq cq_info;
589 struct mlx5dv_obj obj;
590 const int desc = 1 << txq_data->elts_n;
593 if (type == MLX5_TXQ_OBJ_TYPE_DEVX_HAIRPIN)
594 return mlx5_txq_obj_hairpin_new(dev, idx);
595 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
596 /* If using DevX, need additional mask to read tisn value. */
597 if (priv->config.devx && !priv->sh->tdn)
598 qp.comp_mask |= MLX5DV_QP_MASK_RAW_QP_HANDLES;
600 MLX5_ASSERT(txq_data);
601 priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_TX_QUEUE;
602 priv->verbs_alloc_ctx.obj = txq_ctrl;
603 if (mlx5_getenv_int("MLX5_ENABLE_CQE_COMPRESSION")) {
605 "port %u MLX5_ENABLE_CQE_COMPRESSION must never be set",
610 memset(&tmpl, 0, sizeof(struct mlx5_txq_obj));
611 attr.cq = (struct ibv_cq_init_attr_ex){
614 cqe_n = desc / MLX5_TX_COMP_THRESH +
615 1 + MLX5_TX_COMP_THRESH_INLINE_DIV;
616 tmpl.cq = mlx5_glue->create_cq(priv->sh->ctx, cqe_n, NULL, NULL, 0);
617 if (tmpl.cq == NULL) {
618 DRV_LOG(ERR, "port %u Tx queue %u CQ creation failure",
619 dev->data->port_id, idx);
623 attr.init = (struct ibv_qp_init_attr_ex){
624 /* CQ to be associated with the send queue. */
626 /* CQ to be associated with the receive queue. */
629 /* Max number of outstanding WRs. */
631 ((priv->sh->device_attr.orig_attr.max_qp_wr <
633 priv->sh->device_attr.orig_attr.max_qp_wr :
636 * Max number of scatter/gather elements in a WR,
637 * must be 1 to prevent libmlx5 from trying to affect
638 * too much memory. TX gather is not impacted by the
639 * device_attr.max_sge limit and will still work
644 .qp_type = IBV_QPT_RAW_PACKET,
646 * Do *NOT* enable this, completions events are managed per
651 .comp_mask = IBV_QP_INIT_ATTR_PD,
653 if (txq_data->inlen_send)
654 attr.init.cap.max_inline_data = txq_ctrl->max_inline_data;
655 if (txq_data->tso_en) {
656 attr.init.max_tso_header = txq_ctrl->max_tso_header;
657 attr.init.comp_mask |= IBV_QP_INIT_ATTR_MAX_TSO_HEADER;
659 tmpl.qp = mlx5_glue->create_qp_ex(priv->sh->ctx, &attr.init);
660 if (tmpl.qp == NULL) {
661 DRV_LOG(ERR, "port %u Tx queue %u QP creation failure",
662 dev->data->port_id, idx);
666 attr.mod = (struct ibv_qp_attr){
667 /* Move the QP to this state. */
668 .qp_state = IBV_QPS_INIT,
669 /* IB device port number. */
670 .port_num = (uint8_t)priv->ibv_port,
672 ret = mlx5_glue->modify_qp(tmpl.qp, &attr.mod,
673 (IBV_QP_STATE | IBV_QP_PORT));
676 "port %u Tx queue %u QP state to IBV_QPS_INIT failed",
677 dev->data->port_id, idx);
681 attr.mod = (struct ibv_qp_attr){
682 .qp_state = IBV_QPS_RTR
684 ret = mlx5_glue->modify_qp(tmpl.qp, &attr.mod, IBV_QP_STATE);
687 "port %u Tx queue %u QP state to IBV_QPS_RTR failed",
688 dev->data->port_id, idx);
692 attr.mod.qp_state = IBV_QPS_RTS;
693 ret = mlx5_glue->modify_qp(tmpl.qp, &attr.mod, IBV_QP_STATE);
696 "port %u Tx queue %u QP state to IBV_QPS_RTS failed",
697 dev->data->port_id, idx);
701 txq_obj = rte_calloc_socket(__func__, 1, sizeof(struct mlx5_txq_obj), 0,
704 DRV_LOG(ERR, "port %u Tx queue %u cannot allocate memory",
705 dev->data->port_id, idx);
710 obj.cq.out = &cq_info;
713 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_CQ | MLX5DV_OBJ_QP);
718 if (cq_info.cqe_size != RTE_CACHE_LINE_SIZE) {
720 "port %u wrong MLX5_CQE_SIZE environment variable"
721 " value: it should be set to %u",
722 dev->data->port_id, RTE_CACHE_LINE_SIZE);
726 txq_data->cqe_n = log2above(cq_info.cqe_cnt);
727 txq_data->cqe_s = 1 << txq_data->cqe_n;
728 txq_data->cqe_m = txq_data->cqe_s - 1;
729 txq_data->qp_num_8s = tmpl.qp->qp_num << 8;
730 txq_data->wqes = qp.sq.buf;
731 txq_data->wqe_n = log2above(qp.sq.wqe_cnt);
732 txq_data->wqe_s = 1 << txq_data->wqe_n;
733 txq_data->wqe_m = txq_data->wqe_s - 1;
734 txq_data->wqes_end = txq_data->wqes + txq_data->wqe_s;
735 txq_data->qp_db = &qp.dbrec[MLX5_SND_DBR];
736 txq_data->cq_db = cq_info.dbrec;
737 txq_data->cqes = (volatile struct mlx5_cqe *)cq_info.buf;
740 txq_data->wqe_ci = 0;
741 txq_data->wqe_pi = 0;
742 txq_data->wqe_comp = 0;
743 txq_data->wqe_thres = txq_data->wqe_s / MLX5_TX_COMP_THRESH_INLINE_DIV;
744 txq_data->fcqs = rte_calloc_socket(__func__,
746 sizeof(*txq_data->fcqs),
749 if (!txq_data->fcqs) {
750 DRV_LOG(ERR, "port %u Tx queue %u cannot allocate memory (FCQ)",
751 dev->data->port_id, idx);
755 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
757 * If using DevX need to query and store TIS transport domain value.
758 * This is done once per port.
759 * Will use this value on Rx, when creating matching TIR.
761 if (priv->config.devx && !priv->sh->tdn) {
762 ret = mlx5_devx_cmd_qp_query_tis_td(tmpl.qp, qp.tisn,
765 DRV_LOG(ERR, "Fail to query port %u Tx queue %u QP TIS "
766 "transport domain", dev->data->port_id, idx);
770 DRV_LOG(DEBUG, "port %u Tx queue %u TIS number %d "
771 "transport domain %d", dev->data->port_id,
772 idx, qp.tisn, priv->sh->tdn);
776 txq_obj->qp = tmpl.qp;
777 txq_obj->cq = tmpl.cq;
778 rte_atomic32_inc(&txq_obj->refcnt);
779 txq_ctrl->bf_reg = qp.bf.reg;
780 if (qp.comp_mask & MLX5DV_QP_MASK_UAR_MMAP_OFFSET) {
781 txq_ctrl->uar_mmap_offset = qp.uar_mmap_offset;
782 DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%"PRIx64,
783 dev->data->port_id, txq_ctrl->uar_mmap_offset);
786 "port %u failed to retrieve UAR info, invalid"
792 txq_uar_init(txq_ctrl);
793 LIST_INSERT_HEAD(&priv->txqsobj, txq_obj, next);
794 txq_obj->txq_ctrl = txq_ctrl;
795 priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
798 ret = rte_errno; /* Save rte_errno before cleanup. */
800 claim_zero(mlx5_glue->destroy_cq(tmpl.cq));
802 claim_zero(mlx5_glue->destroy_qp(tmpl.qp));
803 if (txq_data && txq_data->fcqs)
804 rte_free(txq_data->fcqs);
807 priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
808 rte_errno = ret; /* Restore rte_errno. */
813 * Get an Tx queue Verbs object.
816 * Pointer to Ethernet device.
818 * Queue index in DPDK Tx queue array.
821 * The Verbs object if it exists.
823 struct mlx5_txq_obj *
824 mlx5_txq_obj_get(struct rte_eth_dev *dev, uint16_t idx)
826 struct mlx5_priv *priv = dev->data->dev_private;
827 struct mlx5_txq_ctrl *txq_ctrl;
829 if (idx >= priv->txqs_n)
831 if (!(*priv->txqs)[idx])
833 txq_ctrl = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl, txq);
835 rte_atomic32_inc(&txq_ctrl->obj->refcnt);
836 return txq_ctrl->obj;
840 * Release an Tx verbs queue object.
843 * Verbs Tx queue object.
846 * 1 while a reference on it exists, 0 when freed.
849 mlx5_txq_obj_release(struct mlx5_txq_obj *txq_obj)
851 MLX5_ASSERT(txq_obj);
852 if (rte_atomic32_dec_and_test(&txq_obj->refcnt)) {
853 if (txq_obj->type == MLX5_TXQ_OBJ_TYPE_DEVX_HAIRPIN) {
855 claim_zero(mlx5_devx_cmd_destroy(txq_obj->tis));
857 claim_zero(mlx5_glue->destroy_qp(txq_obj->qp));
858 claim_zero(mlx5_glue->destroy_cq(txq_obj->cq));
859 if (txq_obj->txq_ctrl->txq.fcqs)
860 rte_free(txq_obj->txq_ctrl->txq.fcqs);
862 LIST_REMOVE(txq_obj, next);
870 * Verify the Verbs Tx queue list is empty
873 * Pointer to Ethernet device.
876 * The number of object not released.
879 mlx5_txq_obj_verify(struct rte_eth_dev *dev)
881 struct mlx5_priv *priv = dev->data->dev_private;
883 struct mlx5_txq_obj *txq_obj;
885 LIST_FOREACH(txq_obj, &priv->txqsobj, next) {
886 DRV_LOG(DEBUG, "port %u Verbs Tx queue %u still referenced",
887 dev->data->port_id, txq_obj->txq_ctrl->txq.idx);
894 * Calculate the total number of WQEBB for Tx queue.
896 * Simplified version of calc_sq_size() in rdma-core.
899 * Pointer to Tx queue control structure.
902 * The number of WQEBB.
905 txq_calc_wqebb_cnt(struct mlx5_txq_ctrl *txq_ctrl)
907 unsigned int wqe_size;
908 const unsigned int desc = 1 << txq_ctrl->txq.elts_n;
910 wqe_size = MLX5_WQE_CSEG_SIZE +
913 MLX5_ESEG_MIN_INLINE_SIZE +
914 txq_ctrl->max_inline_data;
915 return rte_align32pow2(wqe_size * desc) / MLX5_WQE_SIZE;
919 * Calculate the maximal inline data size for Tx queue.
922 * Pointer to Tx queue control structure.
925 * The maximal inline data size.
928 txq_calc_inline_max(struct mlx5_txq_ctrl *txq_ctrl)
930 const unsigned int desc = 1 << txq_ctrl->txq.elts_n;
931 struct mlx5_priv *priv = txq_ctrl->priv;
932 unsigned int wqe_size;
934 wqe_size = priv->sh->device_attr.orig_attr.max_qp_wr / desc;
938 * This calculation is derived from tthe source of
939 * mlx5_calc_send_wqe() in rdma_core library.
941 wqe_size = wqe_size * MLX5_WQE_SIZE -
946 MLX5_DSEG_MIN_INLINE_SIZE;
951 * Set Tx queue parameters from device configuration.
954 * Pointer to Tx queue control structure.
957 txq_set_params(struct mlx5_txq_ctrl *txq_ctrl)
959 struct mlx5_priv *priv = txq_ctrl->priv;
960 struct mlx5_dev_config *config = &priv->config;
961 unsigned int inlen_send; /* Inline data for ordinary SEND.*/
962 unsigned int inlen_empw; /* Inline data for enhanced MPW. */
963 unsigned int inlen_mode; /* Minimal required Inline data. */
964 unsigned int txqs_inline; /* Min Tx queues to enable inline. */
965 uint64_t dev_txoff = priv->dev_data->dev_conf.txmode.offloads;
966 bool tso = txq_ctrl->txq.offloads & (DEV_TX_OFFLOAD_TCP_TSO |
967 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
968 DEV_TX_OFFLOAD_GRE_TNL_TSO |
969 DEV_TX_OFFLOAD_IP_TNL_TSO |
970 DEV_TX_OFFLOAD_UDP_TNL_TSO);
974 if (config->txqs_inline == MLX5_ARG_UNSET)
976 #if defined(RTE_ARCH_ARM64)
977 (priv->pci_dev->id.device_id ==
978 PCI_DEVICE_ID_MELLANOX_CONNECTX5BF) ?
979 MLX5_INLINE_MAX_TXQS_BLUEFIELD :
981 MLX5_INLINE_MAX_TXQS;
983 txqs_inline = (unsigned int)config->txqs_inline;
984 inlen_send = (config->txq_inline_max == MLX5_ARG_UNSET) ?
985 MLX5_SEND_DEF_INLINE_LEN :
986 (unsigned int)config->txq_inline_max;
987 inlen_empw = (config->txq_inline_mpw == MLX5_ARG_UNSET) ?
988 MLX5_EMPW_DEF_INLINE_LEN :
989 (unsigned int)config->txq_inline_mpw;
990 inlen_mode = (config->txq_inline_min == MLX5_ARG_UNSET) ?
991 0 : (unsigned int)config->txq_inline_min;
992 if (config->mps != MLX5_MPW_ENHANCED && config->mps != MLX5_MPW)
995 * If there is requested minimal amount of data to inline
996 * we MUST enable inlining. This is a case for ConnectX-4
997 * which usually requires L2 inlined for correct operating
998 * and ConnectX-4 Lx which requires L2-L4 inlined to
999 * support E-Switch Flows.
1002 if (inlen_mode <= MLX5_ESEG_MIN_INLINE_SIZE) {
1004 * Optimize minimal inlining for single
1005 * segment packets to fill one WQEBB
1008 temp = MLX5_ESEG_MIN_INLINE_SIZE;
1010 temp = inlen_mode - MLX5_ESEG_MIN_INLINE_SIZE;
1011 temp = RTE_ALIGN(temp, MLX5_WSEG_SIZE) +
1012 MLX5_ESEG_MIN_INLINE_SIZE;
1013 temp = RTE_MIN(temp, MLX5_SEND_MAX_INLINE_LEN);
1015 if (temp != inlen_mode) {
1017 "port %u minimal required inline setting"
1018 " aligned from %u to %u",
1019 PORT_ID(priv), inlen_mode, temp);
1024 * If port is configured to support VLAN insertion and device
1025 * does not support this feature by HW (for NICs before ConnectX-5
1026 * or in case of wqe_vlan_insert flag is not set) we must enable
1027 * data inline on all queues because it is supported by single
1030 txq_ctrl->txq.vlan_en = config->hw_vlan_insert;
1031 vlan_inline = (dev_txoff & DEV_TX_OFFLOAD_VLAN_INSERT) &&
1032 !config->hw_vlan_insert;
1034 * If there are few Tx queues it is prioritized
1035 * to save CPU cycles and disable data inlining at all.
1037 if (inlen_send && priv->txqs_n >= txqs_inline) {
1039 * The data sent with ordinal MLX5_OPCODE_SEND
1040 * may be inlined in Ethernet Segment, align the
1041 * length accordingly to fit entire WQEBBs.
1043 temp = RTE_MAX(inlen_send,
1044 MLX5_ESEG_MIN_INLINE_SIZE + MLX5_WQE_DSEG_SIZE);
1045 temp -= MLX5_ESEG_MIN_INLINE_SIZE + MLX5_WQE_DSEG_SIZE;
1046 temp = RTE_ALIGN(temp, MLX5_WQE_SIZE);
1047 temp += MLX5_ESEG_MIN_INLINE_SIZE + MLX5_WQE_DSEG_SIZE;
1048 temp = RTE_MIN(temp, MLX5_WQE_SIZE_MAX +
1049 MLX5_ESEG_MIN_INLINE_SIZE -
1050 MLX5_WQE_CSEG_SIZE -
1051 MLX5_WQE_ESEG_SIZE -
1052 MLX5_WQE_DSEG_SIZE * 2);
1053 temp = RTE_MIN(temp, MLX5_SEND_MAX_INLINE_LEN);
1054 temp = RTE_MAX(temp, inlen_mode);
1055 if (temp != inlen_send) {
1057 "port %u ordinary send inline setting"
1058 " aligned from %u to %u",
1059 PORT_ID(priv), inlen_send, temp);
1063 * Not aligned to cache lines, but to WQEs.
1064 * First bytes of data (initial alignment)
1065 * is going to be copied explicitly at the
1066 * beginning of inlining buffer in Ethernet
1069 MLX5_ASSERT(inlen_send >= MLX5_ESEG_MIN_INLINE_SIZE);
1070 MLX5_ASSERT(inlen_send <= MLX5_WQE_SIZE_MAX +
1071 MLX5_ESEG_MIN_INLINE_SIZE -
1072 MLX5_WQE_CSEG_SIZE -
1073 MLX5_WQE_ESEG_SIZE -
1074 MLX5_WQE_DSEG_SIZE * 2);
1075 } else if (inlen_mode) {
1077 * If minimal inlining is requested we must
1078 * enable inlining in general, despite the
1079 * number of configured queues. Ignore the
1080 * txq_inline_max devarg, this is not
1081 * full-featured inline.
1083 inlen_send = inlen_mode;
1085 } else if (vlan_inline) {
1087 * Hardware does not report offload for
1088 * VLAN insertion, we must enable data inline
1089 * to implement feature by software.
1091 inlen_send = MLX5_ESEG_MIN_INLINE_SIZE;
1097 txq_ctrl->txq.inlen_send = inlen_send;
1098 txq_ctrl->txq.inlen_mode = inlen_mode;
1099 txq_ctrl->txq.inlen_empw = 0;
1100 if (inlen_send && inlen_empw && priv->txqs_n >= txqs_inline) {
1102 * The data sent with MLX5_OPCODE_ENHANCED_MPSW
1103 * may be inlined in Data Segment, align the
1104 * length accordingly to fit entire WQEBBs.
1106 temp = RTE_MAX(inlen_empw,
1107 MLX5_WQE_SIZE + MLX5_DSEG_MIN_INLINE_SIZE);
1108 temp -= MLX5_DSEG_MIN_INLINE_SIZE;
1109 temp = RTE_ALIGN(temp, MLX5_WQE_SIZE);
1110 temp += MLX5_DSEG_MIN_INLINE_SIZE;
1111 temp = RTE_MIN(temp, MLX5_WQE_SIZE_MAX +
1112 MLX5_DSEG_MIN_INLINE_SIZE -
1113 MLX5_WQE_CSEG_SIZE -
1114 MLX5_WQE_ESEG_SIZE -
1115 MLX5_WQE_DSEG_SIZE);
1116 temp = RTE_MIN(temp, MLX5_EMPW_MAX_INLINE_LEN);
1117 if (temp != inlen_empw) {
1119 "port %u enhanced empw inline setting"
1120 " aligned from %u to %u",
1121 PORT_ID(priv), inlen_empw, temp);
1124 MLX5_ASSERT(inlen_empw >= MLX5_ESEG_MIN_INLINE_SIZE);
1125 MLX5_ASSERT(inlen_empw <= MLX5_WQE_SIZE_MAX +
1126 MLX5_DSEG_MIN_INLINE_SIZE -
1127 MLX5_WQE_CSEG_SIZE -
1128 MLX5_WQE_ESEG_SIZE -
1129 MLX5_WQE_DSEG_SIZE);
1130 txq_ctrl->txq.inlen_empw = inlen_empw;
1132 txq_ctrl->max_inline_data = RTE_MAX(inlen_send, inlen_empw);
1134 txq_ctrl->max_tso_header = MLX5_MAX_TSO_HEADER;
1135 txq_ctrl->max_inline_data = RTE_MAX(txq_ctrl->max_inline_data,
1136 MLX5_MAX_TSO_HEADER);
1137 txq_ctrl->txq.tso_en = 1;
1139 txq_ctrl->txq.tunnel_en = config->tunnel_en | config->swp;
1140 txq_ctrl->txq.swp_en = ((DEV_TX_OFFLOAD_IP_TNL_TSO |
1141 DEV_TX_OFFLOAD_UDP_TNL_TSO |
1142 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) &
1143 txq_ctrl->txq.offloads) && config->swp;
1147 * Adjust Tx queue data inline parameters for large queue sizes.
1148 * The data inline feature requires multiple WQEs to fit the packets,
1149 * and if the large amount of Tx descriptors is requested by application
1150 * the total WQE amount may exceed the hardware capabilities. If the
1151 * default inline setting are used we can try to adjust these ones and
1152 * meet the hardware requirements and not exceed the queue size.
1155 * Pointer to Tx queue control structure.
1158 * Zero on success, otherwise the parameters can not be adjusted.
1161 txq_adjust_params(struct mlx5_txq_ctrl *txq_ctrl)
1163 struct mlx5_priv *priv = txq_ctrl->priv;
1164 struct mlx5_dev_config *config = &priv->config;
1165 unsigned int max_inline;
1167 max_inline = txq_calc_inline_max(txq_ctrl);
1168 if (!txq_ctrl->txq.inlen_send) {
1170 * Inline data feature is not engaged at all.
1171 * There is nothing to adjust.
1175 if (txq_ctrl->max_inline_data <= max_inline) {
1177 * The requested inline data length does not
1178 * exceed queue capabilities.
1182 if (txq_ctrl->txq.inlen_mode > max_inline) {
1184 "minimal data inline requirements (%u) are not"
1185 " satisfied (%u) on port %u, try the smaller"
1186 " Tx queue size (%d)",
1187 txq_ctrl->txq.inlen_mode, max_inline,
1188 priv->dev_data->port_id,
1189 priv->sh->device_attr.orig_attr.max_qp_wr);
1192 if (txq_ctrl->txq.inlen_send > max_inline &&
1193 config->txq_inline_max != MLX5_ARG_UNSET &&
1194 config->txq_inline_max > (int)max_inline) {
1196 "txq_inline_max requirements (%u) are not"
1197 " satisfied (%u) on port %u, try the smaller"
1198 " Tx queue size (%d)",
1199 txq_ctrl->txq.inlen_send, max_inline,
1200 priv->dev_data->port_id,
1201 priv->sh->device_attr.orig_attr.max_qp_wr);
1204 if (txq_ctrl->txq.inlen_empw > max_inline &&
1205 config->txq_inline_mpw != MLX5_ARG_UNSET &&
1206 config->txq_inline_mpw > (int)max_inline) {
1208 "txq_inline_mpw requirements (%u) are not"
1209 " satisfied (%u) on port %u, try the smaller"
1210 " Tx queue size (%d)",
1211 txq_ctrl->txq.inlen_empw, max_inline,
1212 priv->dev_data->port_id,
1213 priv->sh->device_attr.orig_attr.max_qp_wr);
1216 if (txq_ctrl->txq.tso_en && max_inline < MLX5_MAX_TSO_HEADER) {
1218 "tso header inline requirements (%u) are not"
1219 " satisfied (%u) on port %u, try the smaller"
1220 " Tx queue size (%d)",
1221 MLX5_MAX_TSO_HEADER, max_inline,
1222 priv->dev_data->port_id,
1223 priv->sh->device_attr.orig_attr.max_qp_wr);
1226 if (txq_ctrl->txq.inlen_send > max_inline) {
1228 "adjust txq_inline_max (%u->%u)"
1229 " due to large Tx queue on port %u",
1230 txq_ctrl->txq.inlen_send, max_inline,
1231 priv->dev_data->port_id);
1232 txq_ctrl->txq.inlen_send = max_inline;
1234 if (txq_ctrl->txq.inlen_empw > max_inline) {
1236 "adjust txq_inline_mpw (%u->%u)"
1237 "due to large Tx queue on port %u",
1238 txq_ctrl->txq.inlen_empw, max_inline,
1239 priv->dev_data->port_id);
1240 txq_ctrl->txq.inlen_empw = max_inline;
1242 txq_ctrl->max_inline_data = RTE_MAX(txq_ctrl->txq.inlen_send,
1243 txq_ctrl->txq.inlen_empw);
1244 MLX5_ASSERT(txq_ctrl->max_inline_data <= max_inline);
1245 MLX5_ASSERT(txq_ctrl->txq.inlen_mode <= max_inline);
1246 MLX5_ASSERT(txq_ctrl->txq.inlen_mode <= txq_ctrl->txq.inlen_send);
1247 MLX5_ASSERT(txq_ctrl->txq.inlen_mode <= txq_ctrl->txq.inlen_empw ||
1248 !txq_ctrl->txq.inlen_empw);
1256 * Create a DPDK Tx queue.
1259 * Pointer to Ethernet device.
1263 * Number of descriptors to configure in queue.
1265 * NUMA socket on which memory must be allocated.
1267 * Thresholds parameters.
1270 * A DPDK queue object on success, NULL otherwise and rte_errno is set.
1272 struct mlx5_txq_ctrl *
1273 mlx5_txq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
1274 unsigned int socket, const struct rte_eth_txconf *conf)
1276 struct mlx5_priv *priv = dev->data->dev_private;
1277 struct mlx5_txq_ctrl *tmpl;
1279 tmpl = rte_calloc_socket("TXQ", 1,
1281 desc * sizeof(struct rte_mbuf *),
1287 if (mlx5_mr_btree_init(&tmpl->txq.mr_ctrl.cache_bh,
1288 MLX5_MR_BTREE_CACHE_N, socket)) {
1289 /* rte_errno is already set. */
1292 /* Save pointer of global generation number to check memory event. */
1293 tmpl->txq.mr_ctrl.dev_gen_ptr = &priv->sh->share_cache.dev_gen;
1294 MLX5_ASSERT(desc > MLX5_TX_COMP_THRESH);
1295 tmpl->txq.offloads = conf->offloads |
1296 dev->data->dev_conf.txmode.offloads;
1298 tmpl->socket = socket;
1299 tmpl->txq.elts_n = log2above(desc);
1300 tmpl->txq.elts_s = desc;
1301 tmpl->txq.elts_m = desc - 1;
1302 tmpl->txq.port_id = dev->data->port_id;
1303 tmpl->txq.idx = idx;
1304 txq_set_params(tmpl);
1305 if (txq_adjust_params(tmpl))
1307 if (txq_calc_wqebb_cnt(tmpl) >
1308 priv->sh->device_attr.orig_attr.max_qp_wr) {
1310 "port %u Tx WQEBB count (%d) exceeds the limit (%d),"
1311 " try smaller queue size",
1312 dev->data->port_id, txq_calc_wqebb_cnt(tmpl),
1313 priv->sh->device_attr.orig_attr.max_qp_wr);
1317 rte_atomic32_inc(&tmpl->refcnt);
1318 tmpl->type = MLX5_TXQ_TYPE_STANDARD;
1319 LIST_INSERT_HEAD(&priv->txqsctrl, tmpl, next);
1327 * Create a DPDK Tx hairpin queue.
1330 * Pointer to Ethernet device.
1334 * Number of descriptors to configure in queue.
1335 * @param hairpin_conf
1336 * The hairpin configuration.
1339 * A DPDK queue object on success, NULL otherwise and rte_errno is set.
1341 struct mlx5_txq_ctrl *
1342 mlx5_txq_hairpin_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
1343 const struct rte_eth_hairpin_conf *hairpin_conf)
1345 struct mlx5_priv *priv = dev->data->dev_private;
1346 struct mlx5_txq_ctrl *tmpl;
1348 tmpl = rte_calloc_socket("TXQ", 1,
1349 sizeof(*tmpl), 0, SOCKET_ID_ANY);
1355 tmpl->socket = SOCKET_ID_ANY;
1356 tmpl->txq.elts_n = log2above(desc);
1357 tmpl->txq.port_id = dev->data->port_id;
1358 tmpl->txq.idx = idx;
1359 tmpl->hairpin_conf = *hairpin_conf;
1360 tmpl->type = MLX5_TXQ_TYPE_HAIRPIN;
1361 rte_atomic32_inc(&tmpl->refcnt);
1362 LIST_INSERT_HEAD(&priv->txqsctrl, tmpl, next);
1370 * Pointer to Ethernet device.
1375 * A pointer to the queue if it exists.
1377 struct mlx5_txq_ctrl *
1378 mlx5_txq_get(struct rte_eth_dev *dev, uint16_t idx)
1380 struct mlx5_priv *priv = dev->data->dev_private;
1381 struct mlx5_txq_ctrl *ctrl = NULL;
1383 if ((*priv->txqs)[idx]) {
1384 ctrl = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl,
1386 mlx5_txq_obj_get(dev, idx);
1387 rte_atomic32_inc(&ctrl->refcnt);
1393 * Release a Tx queue.
1396 * Pointer to Ethernet device.
1401 * 1 while a reference on it exists, 0 when freed.
1404 mlx5_txq_release(struct rte_eth_dev *dev, uint16_t idx)
1406 struct mlx5_priv *priv = dev->data->dev_private;
1407 struct mlx5_txq_ctrl *txq;
1409 if (!(*priv->txqs)[idx])
1411 txq = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl, txq);
1412 if (txq->obj && !mlx5_txq_obj_release(txq->obj))
1414 if (rte_atomic32_dec_and_test(&txq->refcnt)) {
1416 mlx5_mr_btree_free(&txq->txq.mr_ctrl.cache_bh);
1417 LIST_REMOVE(txq, next);
1419 (*priv->txqs)[idx] = NULL;
1426 * Verify if the queue can be released.
1429 * Pointer to Ethernet device.
1434 * 1 if the queue can be released.
1437 mlx5_txq_releasable(struct rte_eth_dev *dev, uint16_t idx)
1439 struct mlx5_priv *priv = dev->data->dev_private;
1440 struct mlx5_txq_ctrl *txq;
1442 if (!(*priv->txqs)[idx])
1444 txq = container_of((*priv->txqs)[idx], struct mlx5_txq_ctrl, txq);
1445 return (rte_atomic32_read(&txq->refcnt) == 1);
1449 * Verify the Tx Queue list is empty
1452 * Pointer to Ethernet device.
1455 * The number of object not released.
1458 mlx5_txq_verify(struct rte_eth_dev *dev)
1460 struct mlx5_priv *priv = dev->data->dev_private;
1461 struct mlx5_txq_ctrl *txq_ctrl;
1464 LIST_FOREACH(txq_ctrl, &priv->txqsctrl, next) {
1465 DRV_LOG(DEBUG, "port %u Tx queue %u still referenced",
1466 dev->data->port_id, txq_ctrl->txq.idx);