xref: /dpdk/drivers/net/mlx5/mlx5_devx.c (revision 23233fd63a15e5cde5bae4f26f78f4d679033a7b)
18bb2410eSOphir Munk /* SPDX-License-Identifier: BSD-3-Clause
28bb2410eSOphir Munk  * Copyright 2020 Mellanox Technologies, Ltd
38bb2410eSOphir Munk  */
48bb2410eSOphir Munk 
58bb2410eSOphir Munk #include <stddef.h>
68bb2410eSOphir Munk #include <errno.h>
7c279f187SMichael Baum #include <stdbool.h>
88bb2410eSOphir Munk #include <string.h>
98bb2410eSOphir Munk #include <stdint.h>
108bb2410eSOphir Munk #include <sys/queue.h>
118bb2410eSOphir Munk 
128bb2410eSOphir Munk #include <rte_malloc.h>
138bb2410eSOphir Munk #include <rte_common.h>
148bb2410eSOphir Munk #include <rte_eal_paging.h>
158bb2410eSOphir Munk 
168bb2410eSOphir Munk #include <mlx5_glue.h>
178bb2410eSOphir Munk #include <mlx5_devx_cmds.h>
185f04f70cSMichael Baum #include <mlx5_common_devx.h>
198bb2410eSOphir Munk #include <mlx5_malloc.h>
208bb2410eSOphir Munk 
218bb2410eSOphir Munk #include "mlx5.h"
228bb2410eSOphir Munk #include "mlx5_common_os.h"
23377b69fbSMichael Baum #include "mlx5_tx.h"
24151cbe3aSMichael Baum #include "mlx5_rx.h"
258bb2410eSOphir Munk #include "mlx5_utils.h"
268bb2410eSOphir Munk #include "mlx5_devx.h"
2787e2db37SMichael Baum #include "mlx5_flow.h"
2888019723SOphir Munk #include "mlx5_flow_os.h"
29f6dee900SMichael Baum 
30f6dee900SMichael Baum /**
318bb2410eSOphir Munk  * Modify RQ vlan stripping offload
328bb2410eSOphir Munk  *
338bb2410eSOphir Munk  * @param rxq_obj
348bb2410eSOphir Munk  *   Rx queue object.
358bb2410eSOphir Munk  *
36f6dee900SMichael Baum  * @return
37f6dee900SMichael Baum  *   0 on success, non-0 otherwise
388bb2410eSOphir Munk  */
398bb2410eSOphir Munk static int
408bb2410eSOphir Munk mlx5_rxq_obj_modify_rq_vlan_strip(struct mlx5_rxq_obj *rxq_obj, int on)
418bb2410eSOphir Munk {
428bb2410eSOphir Munk 	struct mlx5_devx_modify_rq_attr rq_attr;
438bb2410eSOphir Munk 
448bb2410eSOphir Munk 	memset(&rq_attr, 0, sizeof(rq_attr));
458bb2410eSOphir Munk 	rq_attr.rq_state = MLX5_RQC_STATE_RDY;
468bb2410eSOphir Munk 	rq_attr.state = MLX5_RQC_STATE_RDY;
478bb2410eSOphir Munk 	rq_attr.vsd = (on ? 0 : 1);
488bb2410eSOphir Munk 	rq_attr.modify_bitmask = MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD;
496e0a3637SMichael Baum 	return mlx5_devx_cmd_modify_rq(rxq_obj->rq_obj.rq, &rq_attr);
508bb2410eSOphir Munk }
518bb2410eSOphir Munk 
526deb19e1SMichael Baum /**
53fa2c85ccSMichael Baum  * Modify RQ using DevX API.
54fa2c85ccSMichael Baum  *
55fa2c85ccSMichael Baum  * @param rxq_obj
56fa2c85ccSMichael Baum  *   DevX Rx queue object.
574c6d80f1SMichael Baum  * @param type
584c6d80f1SMichael Baum  *   Type of change queue state.
59fa2c85ccSMichael Baum  *
60fa2c85ccSMichael Baum  * @return
61fa2c85ccSMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
62fa2c85ccSMichael Baum  */
63fa2c85ccSMichael Baum static int
644c6d80f1SMichael Baum mlx5_devx_modify_rq(struct mlx5_rxq_obj *rxq_obj, uint8_t type)
65fa2c85ccSMichael Baum {
66fa2c85ccSMichael Baum 	struct mlx5_devx_modify_rq_attr rq_attr;
67fa2c85ccSMichael Baum 
68fa2c85ccSMichael Baum 	memset(&rq_attr, 0, sizeof(rq_attr));
694c6d80f1SMichael Baum 	switch (type) {
704c6d80f1SMichael Baum 	case MLX5_RXQ_MOD_ERR2RST:
714c6d80f1SMichael Baum 		rq_attr.rq_state = MLX5_RQC_STATE_ERR;
724c6d80f1SMichael Baum 		rq_attr.state = MLX5_RQC_STATE_RST;
734c6d80f1SMichael Baum 		break;
744c6d80f1SMichael Baum 	case MLX5_RXQ_MOD_RST2RDY:
75fa2c85ccSMichael Baum 		rq_attr.rq_state = MLX5_RQC_STATE_RST;
76fa2c85ccSMichael Baum 		rq_attr.state = MLX5_RQC_STATE_RDY;
774c6d80f1SMichael Baum 		break;
784c6d80f1SMichael Baum 	case MLX5_RXQ_MOD_RDY2ERR:
794c6d80f1SMichael Baum 		rq_attr.rq_state = MLX5_RQC_STATE_RDY;
804c6d80f1SMichael Baum 		rq_attr.state = MLX5_RQC_STATE_ERR;
814c6d80f1SMichael Baum 		break;
824c6d80f1SMichael Baum 	case MLX5_RXQ_MOD_RDY2RST:
83fa2c85ccSMichael Baum 		rq_attr.rq_state = MLX5_RQC_STATE_RDY;
84fa2c85ccSMichael Baum 		rq_attr.state = MLX5_RQC_STATE_RST;
854c6d80f1SMichael Baum 		break;
864c6d80f1SMichael Baum 	default:
874c6d80f1SMichael Baum 		break;
88fa2c85ccSMichael Baum 	}
896e0a3637SMichael Baum 	return mlx5_devx_cmd_modify_rq(rxq_obj->rq_obj.rq, &rq_attr);
90fa2c85ccSMichael Baum }
91fa2c85ccSMichael Baum 
92fa2c85ccSMichael Baum /**
935d9f3c3fSMichael Baum  * Modify SQ using DevX API.
945d9f3c3fSMichael Baum  *
955d9f3c3fSMichael Baum  * @param txq_obj
965d9f3c3fSMichael Baum  *   DevX Tx queue object.
975d9f3c3fSMichael Baum  * @param type
985d9f3c3fSMichael Baum  *   Type of change queue state.
995d9f3c3fSMichael Baum  * @param dev_port
1005d9f3c3fSMichael Baum  *   Unnecessary.
1015d9f3c3fSMichael Baum  *
1025d9f3c3fSMichael Baum  * @return
1035d9f3c3fSMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
1045d9f3c3fSMichael Baum  */
1055d9f3c3fSMichael Baum static int
1065d9f3c3fSMichael Baum mlx5_devx_modify_sq(struct mlx5_txq_obj *obj, enum mlx5_txq_modify_type type,
1075d9f3c3fSMichael Baum 		    uint8_t dev_port)
1085d9f3c3fSMichael Baum {
1095d9f3c3fSMichael Baum 	struct mlx5_devx_modify_sq_attr msq_attr = { 0 };
1105d9f3c3fSMichael Baum 	int ret;
1115d9f3c3fSMichael Baum 
1125d9f3c3fSMichael Baum 	if (type != MLX5_TXQ_MOD_RST2RDY) {
1135d9f3c3fSMichael Baum 		/* Change queue state to reset. */
1145d9f3c3fSMichael Baum 		if (type == MLX5_TXQ_MOD_ERR2RDY)
1155d9f3c3fSMichael Baum 			msq_attr.sq_state = MLX5_SQC_STATE_ERR;
1165d9f3c3fSMichael Baum 		else
1175d9f3c3fSMichael Baum 			msq_attr.sq_state = MLX5_SQC_STATE_RDY;
1185d9f3c3fSMichael Baum 		msq_attr.state = MLX5_SQC_STATE_RST;
11974e91860SMichael Baum 		ret = mlx5_devx_cmd_modify_sq(obj->sq_obj.sq, &msq_attr);
1205d9f3c3fSMichael Baum 		if (ret) {
1215d9f3c3fSMichael Baum 			DRV_LOG(ERR, "Cannot change the Tx SQ state to RESET"
1225d9f3c3fSMichael Baum 				" %s", strerror(errno));
1235d9f3c3fSMichael Baum 			rte_errno = errno;
1245d9f3c3fSMichael Baum 			return ret;
1255d9f3c3fSMichael Baum 		}
1265d9f3c3fSMichael Baum 	}
1275d9f3c3fSMichael Baum 	if (type != MLX5_TXQ_MOD_RDY2RST) {
1285d9f3c3fSMichael Baum 		/* Change queue state to ready. */
1295d9f3c3fSMichael Baum 		msq_attr.sq_state = MLX5_SQC_STATE_RST;
1305d9f3c3fSMichael Baum 		msq_attr.state = MLX5_SQC_STATE_RDY;
13174e91860SMichael Baum 		ret = mlx5_devx_cmd_modify_sq(obj->sq_obj.sq, &msq_attr);
1325d9f3c3fSMichael Baum 		if (ret) {
1335d9f3c3fSMichael Baum 			DRV_LOG(ERR, "Cannot change the Tx SQ state to READY"
1345d9f3c3fSMichael Baum 				" %s", strerror(errno));
1355d9f3c3fSMichael Baum 			rte_errno = errno;
1365d9f3c3fSMichael Baum 			return ret;
1375d9f3c3fSMichael Baum 		}
1385d9f3c3fSMichael Baum 	}
1395d9f3c3fSMichael Baum 	/*
1405d9f3c3fSMichael Baum 	 * The dev_port variable is relevant only in Verbs API, and there is a
1415d9f3c3fSMichael Baum 	 * pointer that points to this function and a parallel function in verbs
1425d9f3c3fSMichael Baum 	 * intermittently, so they should have the same parameters.
1435d9f3c3fSMichael Baum 	 */
1445d9f3c3fSMichael Baum 	(void)dev_port;
1455d9f3c3fSMichael Baum 	return 0;
1465d9f3c3fSMichael Baum }
1475d9f3c3fSMichael Baum 
1485d9f3c3fSMichael Baum /**
1495cd33796SMichael Baum  * Destroy the Rx queue DevX object.
1506deb19e1SMichael Baum  *
1515cd33796SMichael Baum  * @param rxq_obj
1525cd33796SMichael Baum  *   Rxq object to destroy.
1536deb19e1SMichael Baum  */
1546deb19e1SMichael Baum static void
1556e0a3637SMichael Baum mlx5_rxq_release_devx_resources(struct mlx5_rxq_obj *rxq_obj)
1566deb19e1SMichael Baum {
1576e0a3637SMichael Baum 	mlx5_devx_rq_destroy(&rxq_obj->rq_obj);
1586e0a3637SMichael Baum 	memset(&rxq_obj->rq_obj, 0, sizeof(rxq_obj->rq_obj));
1596e0a3637SMichael Baum 	mlx5_devx_cq_destroy(&rxq_obj->cq_obj);
1606e0a3637SMichael Baum 	memset(&rxq_obj->cq_obj, 0, sizeof(rxq_obj->cq_obj));
1616deb19e1SMichael Baum }
1626deb19e1SMichael Baum 
1636deb19e1SMichael Baum /**
1646deb19e1SMichael Baum  * Release an Rx DevX queue object.
1656deb19e1SMichael Baum  *
1666deb19e1SMichael Baum  * @param rxq_obj
1676deb19e1SMichael Baum  *   DevX Rx queue object.
1686deb19e1SMichael Baum  */
1696deb19e1SMichael Baum static void
1706deb19e1SMichael Baum mlx5_rxq_devx_obj_release(struct mlx5_rxq_obj *rxq_obj)
1716deb19e1SMichael Baum {
1726deb19e1SMichael Baum 	MLX5_ASSERT(rxq_obj);
173e96242efSMichael Baum 	if (rxq_obj->rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN) {
1746e0a3637SMichael Baum 		MLX5_ASSERT(rxq_obj->rq);
1754c6d80f1SMichael Baum 		mlx5_devx_modify_rq(rxq_obj, MLX5_RXQ_MOD_RDY2RST);
176fa2c85ccSMichael Baum 		claim_zero(mlx5_devx_cmd_destroy(rxq_obj->rq));
1776deb19e1SMichael Baum 	} else {
1786e0a3637SMichael Baum 		MLX5_ASSERT(rxq_obj->cq_obj.cq);
1796e0a3637SMichael Baum 		MLX5_ASSERT(rxq_obj->rq_obj.rq);
1806e0a3637SMichael Baum 		mlx5_rxq_release_devx_resources(rxq_obj);
1816deb19e1SMichael Baum 		if (rxq_obj->devx_channel)
18298174626STal Shnaiderman 			mlx5_os_devx_destroy_event_channel
1836deb19e1SMichael Baum 							(rxq_obj->devx_channel);
1846deb19e1SMichael Baum 	}
1856deb19e1SMichael Baum }
1866deb19e1SMichael Baum 
1876deb19e1SMichael Baum /**
18832287079SMichael Baum  * Get event for an Rx DevX queue object.
18932287079SMichael Baum  *
19032287079SMichael Baum  * @param rxq_obj
19132287079SMichael Baum  *   DevX Rx queue object.
19232287079SMichael Baum  *
19332287079SMichael Baum  * @return
19432287079SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
19532287079SMichael Baum  */
19632287079SMichael Baum static int
19732287079SMichael Baum mlx5_rx_devx_get_event(struct mlx5_rxq_obj *rxq_obj)
19832287079SMichael Baum {
19932287079SMichael Baum #ifdef HAVE_IBV_DEVX_EVENT
20032287079SMichael Baum 	union {
20132287079SMichael Baum 		struct mlx5dv_devx_async_event_hdr event_resp;
20232287079SMichael Baum 		uint8_t buf[sizeof(struct mlx5dv_devx_async_event_hdr) + 128];
20332287079SMichael Baum 	} out;
20432287079SMichael Baum 	int ret = mlx5_glue->devx_get_event(rxq_obj->devx_channel,
20532287079SMichael Baum 					    &out.event_resp,
20632287079SMichael Baum 					    sizeof(out.buf));
20732287079SMichael Baum 
20832287079SMichael Baum 	if (ret < 0) {
20932287079SMichael Baum 		rte_errno = errno;
21032287079SMichael Baum 		return -rte_errno;
21132287079SMichael Baum 	}
2125cd33796SMichael Baum 	if (out.event_resp.cookie != (uint64_t)(uintptr_t)rxq_obj->cq_obj.cq) {
21332287079SMichael Baum 		rte_errno = EINVAL;
21432287079SMichael Baum 		return -rte_errno;
21532287079SMichael Baum 	}
21632287079SMichael Baum 	return 0;
21732287079SMichael Baum #else
21832287079SMichael Baum 	(void)rxq_obj;
21932287079SMichael Baum 	rte_errno = ENOTSUP;
22032287079SMichael Baum 	return -rte_errno;
22132287079SMichael Baum #endif /* HAVE_IBV_DEVX_EVENT */
22232287079SMichael Baum }
22332287079SMichael Baum 
22432287079SMichael Baum /**
2256deb19e1SMichael Baum  * Create a RQ object using DevX.
2266deb19e1SMichael Baum  *
2276deb19e1SMichael Baum  * @param dev
2286deb19e1SMichael Baum  *   Pointer to Ethernet device.
2296deb19e1SMichael Baum  * @param idx
2306deb19e1SMichael Baum  *   Queue index in DPDK Rx queue array.
2316deb19e1SMichael Baum  *
2326deb19e1SMichael Baum  * @return
2336e0a3637SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
2346deb19e1SMichael Baum  */
2356e0a3637SMichael Baum static int
23688f2e3f1SMichael Baum mlx5_rxq_create_devx_rq_resources(struct rte_eth_dev *dev, uint16_t idx)
2376deb19e1SMichael Baum {
2386deb19e1SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
2396deb19e1SMichael Baum 	struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
2406deb19e1SMichael Baum 	struct mlx5_rxq_ctrl *rxq_ctrl =
2416deb19e1SMichael Baum 		container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
2426deb19e1SMichael Baum 	struct mlx5_devx_create_rq_attr rq_attr = { 0 };
2436e0a3637SMichael Baum 	uint16_t log_desc_n = rxq_data->elts_n - rxq_data->sges_n;
2446e0a3637SMichael Baum 	uint32_t wqe_size, log_wqe_size;
2456deb19e1SMichael Baum 
2466deb19e1SMichael Baum 	/* Fill RQ attributes. */
2476deb19e1SMichael Baum 	rq_attr.mem_rq_type = MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE;
2486deb19e1SMichael Baum 	rq_attr.flush_in_error_en = 1;
2496e0a3637SMichael Baum 	rq_attr.vsd = (rxq_data->vlan_strip) ? 0 : 1;
2506e0a3637SMichael Baum 	rq_attr.cqn = rxq_ctrl->obj->cq_obj.cq->id;
2516e0a3637SMichael Baum 	rq_attr.scatter_fcs = (rxq_data->crc_present) ? 1 : 0;
2526deb19e1SMichael Baum 	/* Fill WQ attributes for this RQ. */
2536deb19e1SMichael Baum 	if (mlx5_rxq_mprq_enabled(rxq_data)) {
2546deb19e1SMichael Baum 		rq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ;
2556deb19e1SMichael Baum 		/*
2566deb19e1SMichael Baum 		 * Number of strides in each WQE:
2576deb19e1SMichael Baum 		 * 512*2^single_wqe_log_num_of_strides.
2586deb19e1SMichael Baum 		 */
2596deb19e1SMichael Baum 		rq_attr.wq_attr.single_wqe_log_num_of_strides =
2606deb19e1SMichael Baum 				rxq_data->strd_num_n -
2616deb19e1SMichael Baum 				MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES;
2626deb19e1SMichael Baum 		/* Stride size = (2^single_stride_log_num_of_bytes)*64B. */
2636deb19e1SMichael Baum 		rq_attr.wq_attr.single_stride_log_num_of_bytes =
2646deb19e1SMichael Baum 				rxq_data->strd_sz_n -
2656deb19e1SMichael Baum 				MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES;
2666deb19e1SMichael Baum 		wqe_size = sizeof(struct mlx5_wqe_mprq);
2676deb19e1SMichael Baum 	} else {
2686deb19e1SMichael Baum 		rq_attr.wq_attr.wq_type = MLX5_WQ_TYPE_CYCLIC;
2696deb19e1SMichael Baum 		wqe_size = sizeof(struct mlx5_wqe_data_seg);
2706deb19e1SMichael Baum 	}
2716deb19e1SMichael Baum 	log_wqe_size = log2above(wqe_size) + rxq_data->sges_n;
2726deb19e1SMichael Baum 	wqe_size = 1 << log_wqe_size; /* round up power of two.*/
2736e0a3637SMichael Baum 	rq_attr.wq_attr.log_wq_stride = log_wqe_size;
2746e0a3637SMichael Baum 	rq_attr.wq_attr.log_wq_sz = log_desc_n;
2756e0a3637SMichael Baum 	rq_attr.wq_attr.end_padding_mode = priv->config.hw_padding ?
2766e0a3637SMichael Baum 						MLX5_WQ_END_PAD_MODE_ALIGN :
2776e0a3637SMichael Baum 						MLX5_WQ_END_PAD_MODE_NONE;
2786e0a3637SMichael Baum 	rq_attr.wq_attr.pd = priv->sh->pdn;
279e6988afdSMatan Azrad 	rq_attr.counter_set_id = priv->counter_set_id;
280f6dee900SMichael Baum 	/* Create RQ using DevX API. */
2816e0a3637SMichael Baum 	return mlx5_devx_rq_create(priv->sh->ctx, &rxq_ctrl->obj->rq_obj,
2826e0a3637SMichael Baum 				   wqe_size, log_desc_n, &rq_attr,
2836e0a3637SMichael Baum 				   rxq_ctrl->socket);
2846deb19e1SMichael Baum }
2856deb19e1SMichael Baum 
2866deb19e1SMichael Baum /**
2876deb19e1SMichael Baum  * Create a DevX CQ object for an Rx queue.
2886deb19e1SMichael Baum  *
2896deb19e1SMichael Baum  * @param dev
2906deb19e1SMichael Baum  *   Pointer to Ethernet device.
2916deb19e1SMichael Baum  * @param idx
2926deb19e1SMichael Baum  *   Queue index in DPDK Rx queue array.
2936deb19e1SMichael Baum  *
2946deb19e1SMichael Baum  * @return
2955cd33796SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
2966deb19e1SMichael Baum  */
2975cd33796SMichael Baum static int
29888f2e3f1SMichael Baum mlx5_rxq_create_devx_cq_resources(struct rte_eth_dev *dev, uint16_t idx)
2996deb19e1SMichael Baum {
3005cd33796SMichael Baum 	struct mlx5_devx_cq *cq_obj = 0;
3016deb19e1SMichael Baum 	struct mlx5_devx_cq_attr cq_attr = { 0 };
3026deb19e1SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
3035cd33796SMichael Baum 	struct mlx5_dev_ctx_shared *sh = priv->sh;
3046deb19e1SMichael Baum 	struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
3056deb19e1SMichael Baum 	struct mlx5_rxq_ctrl *rxq_ctrl =
3066deb19e1SMichael Baum 		container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
307f6dee900SMichael Baum 	unsigned int cqe_n = mlx5_rxq_cqe_num(rxq_data);
3086deb19e1SMichael Baum 	uint32_t log_cqe_n;
3095cd33796SMichael Baum 	uint16_t event_nums[1] = { 0 };
3106deb19e1SMichael Baum 	int ret = 0;
3116deb19e1SMichael Baum 
3126deb19e1SMichael Baum 	if (priv->config.cqe_comp && !rxq_data->hw_timestamp &&
3136deb19e1SMichael Baum 	    !rxq_data->lro) {
31438f9369dSDekel Peled 		cq_attr.cqe_comp_en = 1u;
31554c2d46bSAlexander Kozyrev 		rxq_data->mcqe_format = priv->config.cqe_comp_fmt;
31654c2d46bSAlexander Kozyrev 		rxq_data->byte_mask = UINT32_MAX;
31754c2d46bSAlexander Kozyrev 		switch (priv->config.cqe_comp_fmt) {
31854c2d46bSAlexander Kozyrev 		case MLX5_CQE_RESP_FORMAT_HASH:
31954c2d46bSAlexander Kozyrev 			/* fallthrough */
32054c2d46bSAlexander Kozyrev 		case MLX5_CQE_RESP_FORMAT_CSUM:
3210f20acbfSAlexander Kozyrev 			/*
32254c2d46bSAlexander Kozyrev 			 * Select CSUM miniCQE format only for non-vectorized
32354c2d46bSAlexander Kozyrev 			 * MPRQ Rx burst, use HASH miniCQE format for others.
3240f20acbfSAlexander Kozyrev 			 */
3250f20acbfSAlexander Kozyrev 			if (mlx5_rxq_check_vec_support(rxq_data) < 0 &&
3260f20acbfSAlexander Kozyrev 			    mlx5_rxq_mprq_enabled(rxq_data))
3276deb19e1SMichael Baum 				cq_attr.mini_cqe_res_format =
3280f20acbfSAlexander Kozyrev 					MLX5_CQE_RESP_FORMAT_CSUM_STRIDX;
3290f20acbfSAlexander Kozyrev 			else
3300f20acbfSAlexander Kozyrev 				cq_attr.mini_cqe_res_format =
33138f9369dSDekel Peled 					MLX5_CQE_RESP_FORMAT_HASH;
33254c2d46bSAlexander Kozyrev 			rxq_data->mcqe_format = cq_attr.mini_cqe_res_format;
33354c2d46bSAlexander Kozyrev 			break;
33454c2d46bSAlexander Kozyrev 		case MLX5_CQE_RESP_FORMAT_FTAG_STRIDX:
33554c2d46bSAlexander Kozyrev 			rxq_data->byte_mask = MLX5_LEN_WITH_MARK_MASK;
33654c2d46bSAlexander Kozyrev 			/* fallthrough */
33754c2d46bSAlexander Kozyrev 		case MLX5_CQE_RESP_FORMAT_CSUM_STRIDX:
33854c2d46bSAlexander Kozyrev 			cq_attr.mini_cqe_res_format = priv->config.cqe_comp_fmt;
33954c2d46bSAlexander Kozyrev 			break;
34054c2d46bSAlexander Kozyrev 		case MLX5_CQE_RESP_FORMAT_L34H_STRIDX:
34154c2d46bSAlexander Kozyrev 			cq_attr.mini_cqe_res_format = 0;
34254c2d46bSAlexander Kozyrev 			cq_attr.mini_cqe_res_format_ext = 1;
34354c2d46bSAlexander Kozyrev 			break;
34454c2d46bSAlexander Kozyrev 		}
34554c2d46bSAlexander Kozyrev 		DRV_LOG(DEBUG,
34654c2d46bSAlexander Kozyrev 			"Port %u Rx CQE compression is enabled, format %d.",
34754c2d46bSAlexander Kozyrev 			dev->data->port_id, priv->config.cqe_comp_fmt);
3486deb19e1SMichael Baum 		/*
3496deb19e1SMichael Baum 		 * For vectorized Rx, it must not be doubled in order to
3506deb19e1SMichael Baum 		 * make cq_ci and rq_ci aligned.
3516deb19e1SMichael Baum 		 */
3526deb19e1SMichael Baum 		if (mlx5_rxq_check_vec_support(rxq_data) < 0)
3536deb19e1SMichael Baum 			cqe_n *= 2;
3546deb19e1SMichael Baum 	} else if (priv->config.cqe_comp && rxq_data->hw_timestamp) {
3556deb19e1SMichael Baum 		DRV_LOG(DEBUG,
3566deb19e1SMichael Baum 			"Port %u Rx CQE compression is disabled for HW"
3576deb19e1SMichael Baum 			" timestamp.",
3586deb19e1SMichael Baum 			dev->data->port_id);
3596deb19e1SMichael Baum 	} else if (priv->config.cqe_comp && rxq_data->lro) {
3606deb19e1SMichael Baum 		DRV_LOG(DEBUG,
3616deb19e1SMichael Baum 			"Port %u Rx CQE compression is disabled for LRO.",
3626deb19e1SMichael Baum 			dev->data->port_id);
3636deb19e1SMichael Baum 	}
3645cd33796SMichael Baum 	cq_attr.uar_page_id = mlx5_os_get_devx_uar_page_id(sh->devx_rx_uar);
3656deb19e1SMichael Baum 	log_cqe_n = log2above(cqe_n);
366f6dee900SMichael Baum 	/* Create CQ using DevX API. */
3675cd33796SMichael Baum 	ret = mlx5_devx_cq_create(sh->ctx, &rxq_ctrl->obj->cq_obj, log_cqe_n,
3685cd33796SMichael Baum 				  &cq_attr, sh->numa_node);
3695cd33796SMichael Baum 	if (ret)
3705cd33796SMichael Baum 		return ret;
3715cd33796SMichael Baum 	cq_obj = &rxq_ctrl->obj->cq_obj;
3725cd33796SMichael Baum 	rxq_data->cqes = (volatile struct mlx5_cqe (*)[])
3735cd33796SMichael Baum 							(uintptr_t)cq_obj->cqes;
3745cd33796SMichael Baum 	rxq_data->cq_db = cq_obj->db_rec;
3755cd33796SMichael Baum 	rxq_data->cq_uar = mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar);
3766deb19e1SMichael Baum 	rxq_data->cqe_n = log_cqe_n;
3775cd33796SMichael Baum 	rxq_data->cqn = cq_obj->cq->id;
378f6dee900SMichael Baum 	if (rxq_ctrl->obj->devx_channel) {
37998174626STal Shnaiderman 		ret = mlx5_os_devx_subscribe_devx_event
380f6dee900SMichael Baum 					      (rxq_ctrl->obj->devx_channel,
3815cd33796SMichael Baum 					       cq_obj->cq->obj,
3826deb19e1SMichael Baum 					       sizeof(event_nums),
3836deb19e1SMichael Baum 					       event_nums,
3845cd33796SMichael Baum 					       (uint64_t)(uintptr_t)cq_obj->cq);
3856deb19e1SMichael Baum 		if (ret) {
3866deb19e1SMichael Baum 			DRV_LOG(ERR, "Fail to subscribe CQ to event channel.");
3875cd33796SMichael Baum 			ret = errno;
3885cd33796SMichael Baum 			mlx5_devx_cq_destroy(cq_obj);
3895cd33796SMichael Baum 			memset(cq_obj, 0, sizeof(*cq_obj));
3905cd33796SMichael Baum 			rte_errno = ret;
3915cd33796SMichael Baum 			return -ret;
3926deb19e1SMichael Baum 		}
3936deb19e1SMichael Baum 	}
3945cd33796SMichael Baum 	return 0;
3956deb19e1SMichael Baum }
3966deb19e1SMichael Baum 
3976deb19e1SMichael Baum /**
3986deb19e1SMichael Baum  * Create the Rx hairpin queue object.
3996deb19e1SMichael Baum  *
4006deb19e1SMichael Baum  * @param dev
4016deb19e1SMichael Baum  *   Pointer to Ethernet device.
4026deb19e1SMichael Baum  * @param idx
4036deb19e1SMichael Baum  *   Queue index in DPDK Rx queue array.
4046deb19e1SMichael Baum  *
4056deb19e1SMichael Baum  * @return
4061260a87bSMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
4076deb19e1SMichael Baum  */
4081260a87bSMichael Baum static int
4096deb19e1SMichael Baum mlx5_rxq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx)
4106deb19e1SMichael Baum {
4116deb19e1SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
4126deb19e1SMichael Baum 	struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
4136deb19e1SMichael Baum 	struct mlx5_rxq_ctrl *rxq_ctrl =
4146deb19e1SMichael Baum 		container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
4156deb19e1SMichael Baum 	struct mlx5_devx_create_rq_attr attr = { 0 };
4161260a87bSMichael Baum 	struct mlx5_rxq_obj *tmpl = rxq_ctrl->obj;
4176deb19e1SMichael Baum 	uint32_t max_wq_data;
4186deb19e1SMichael Baum 
4196deb19e1SMichael Baum 	MLX5_ASSERT(rxq_data);
4201260a87bSMichael Baum 	MLX5_ASSERT(tmpl);
4216deb19e1SMichael Baum 	tmpl->rxq_ctrl = rxq_ctrl;
4226deb19e1SMichael Baum 	attr.hairpin = 1;
4236deb19e1SMichael Baum 	max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz;
4246deb19e1SMichael Baum 	/* Jumbo frames > 9KB should be supported, and more packets. */
4256deb19e1SMichael Baum 	if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) {
4266deb19e1SMichael Baum 		if (priv->config.log_hp_size > max_wq_data) {
4276deb19e1SMichael Baum 			DRV_LOG(ERR, "Total data size %u power of 2 is "
4286deb19e1SMichael Baum 				"too large for hairpin.",
4296deb19e1SMichael Baum 				priv->config.log_hp_size);
4306deb19e1SMichael Baum 			rte_errno = ERANGE;
4311260a87bSMichael Baum 			return -rte_errno;
4326deb19e1SMichael Baum 		}
4336deb19e1SMichael Baum 		attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size;
4346deb19e1SMichael Baum 	} else {
4356deb19e1SMichael Baum 		attr.wq_attr.log_hairpin_data_sz =
4366deb19e1SMichael Baum 				(max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ?
4376deb19e1SMichael Baum 				 max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE;
4386deb19e1SMichael Baum 	}
4396deb19e1SMichael Baum 	/* Set the packets number to the maximum value for performance. */
4406deb19e1SMichael Baum 	attr.wq_attr.log_hairpin_num_packets =
4416deb19e1SMichael Baum 			attr.wq_attr.log_hairpin_data_sz -
4426deb19e1SMichael Baum 			MLX5_HAIRPIN_QUEUE_STRIDE;
443e6988afdSMatan Azrad 	attr.counter_set_id = priv->counter_set_id;
4446deb19e1SMichael Baum 	tmpl->rq = mlx5_devx_cmd_create_rq(priv->sh->ctx, &attr,
4456deb19e1SMichael Baum 					   rxq_ctrl->socket);
4466deb19e1SMichael Baum 	if (!tmpl->rq) {
4476deb19e1SMichael Baum 		DRV_LOG(ERR,
4486deb19e1SMichael Baum 			"Port %u Rx hairpin queue %u can't create rq object.",
4496deb19e1SMichael Baum 			dev->data->port_id, idx);
4506deb19e1SMichael Baum 		rte_errno = errno;
4511260a87bSMichael Baum 		return -rte_errno;
4526deb19e1SMichael Baum 	}
4536deb19e1SMichael Baum 	dev->data->rx_queue_state[idx] = RTE_ETH_QUEUE_STATE_HAIRPIN;
4541260a87bSMichael Baum 	return 0;
4556deb19e1SMichael Baum }
4566deb19e1SMichael Baum 
4576deb19e1SMichael Baum /**
4586deb19e1SMichael Baum  * Create the Rx queue DevX object.
4596deb19e1SMichael Baum  *
4606deb19e1SMichael Baum  * @param dev
4616deb19e1SMichael Baum  *   Pointer to Ethernet device.
4626deb19e1SMichael Baum  * @param idx
4636deb19e1SMichael Baum  *   Queue index in DPDK Rx queue array.
4646deb19e1SMichael Baum  *
4656deb19e1SMichael Baum  * @return
4661260a87bSMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
4676deb19e1SMichael Baum  */
4681260a87bSMichael Baum static int
4696deb19e1SMichael Baum mlx5_rxq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx)
4706deb19e1SMichael Baum {
4716deb19e1SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
4726deb19e1SMichael Baum 	struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[idx];
4736deb19e1SMichael Baum 	struct mlx5_rxq_ctrl *rxq_ctrl =
4746deb19e1SMichael Baum 		container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
4751260a87bSMichael Baum 	struct mlx5_rxq_obj *tmpl = rxq_ctrl->obj;
4766deb19e1SMichael Baum 	int ret = 0;
4776deb19e1SMichael Baum 
4786deb19e1SMichael Baum 	MLX5_ASSERT(rxq_data);
4791260a87bSMichael Baum 	MLX5_ASSERT(tmpl);
4806deb19e1SMichael Baum 	if (rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN)
4816deb19e1SMichael Baum 		return mlx5_rxq_obj_hairpin_new(dev, idx);
4826deb19e1SMichael Baum 	tmpl->rxq_ctrl = rxq_ctrl;
4836deb19e1SMichael Baum 	if (rxq_ctrl->irq) {
4846deb19e1SMichael Baum 		int devx_ev_flag =
4856deb19e1SMichael Baum 			  MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA;
4866deb19e1SMichael Baum 
48798174626STal Shnaiderman 		tmpl->devx_channel = mlx5_os_devx_create_event_channel
4886deb19e1SMichael Baum 								(priv->sh->ctx,
4896deb19e1SMichael Baum 								 devx_ev_flag);
4906deb19e1SMichael Baum 		if (!tmpl->devx_channel) {
4916deb19e1SMichael Baum 			rte_errno = errno;
4926deb19e1SMichael Baum 			DRV_LOG(ERR, "Failed to create event channel %d.",
4936deb19e1SMichael Baum 				rte_errno);
4946deb19e1SMichael Baum 			goto error;
4956deb19e1SMichael Baum 		}
4966deb19e1SMichael Baum 		tmpl->fd = mlx5_os_get_devx_channel_fd(tmpl->devx_channel);
4976deb19e1SMichael Baum 	}
4986deb19e1SMichael Baum 	/* Create CQ using DevX API. */
4995cd33796SMichael Baum 	ret = mlx5_rxq_create_devx_cq_resources(dev, idx);
5005cd33796SMichael Baum 	if (ret) {
5016deb19e1SMichael Baum 		DRV_LOG(ERR, "Failed to create CQ.");
5026deb19e1SMichael Baum 		goto error;
5036deb19e1SMichael Baum 	}
5046deb19e1SMichael Baum 	/* Create RQ using DevX API. */
5056e0a3637SMichael Baum 	ret = mlx5_rxq_create_devx_rq_resources(dev, idx);
5066e0a3637SMichael Baum 	if (ret) {
5076deb19e1SMichael Baum 		DRV_LOG(ERR, "Port %u Rx queue %u RQ creation failure.",
5086deb19e1SMichael Baum 			dev->data->port_id, idx);
5096deb19e1SMichael Baum 		rte_errno = ENOMEM;
5106deb19e1SMichael Baum 		goto error;
5116deb19e1SMichael Baum 	}
5126deb19e1SMichael Baum 	/* Change queue state to ready. */
5134c6d80f1SMichael Baum 	ret = mlx5_devx_modify_rq(tmpl, MLX5_RXQ_MOD_RST2RDY);
5146deb19e1SMichael Baum 	if (ret)
5156deb19e1SMichael Baum 		goto error;
5166e0a3637SMichael Baum 	rxq_data->wqes = (void *)(uintptr_t)tmpl->rq_obj.umem_buf;
5176e0a3637SMichael Baum 	rxq_data->rq_db = (uint32_t *)(uintptr_t)tmpl->rq_obj.db_rec;
5186deb19e1SMichael Baum 	rxq_data->cq_arm_sn = 0;
5196deb19e1SMichael Baum 	rxq_data->cq_ci = 0;
5206e0a3637SMichael Baum 	mlx5_rxq_initialize(rxq_data);
5216deb19e1SMichael Baum 	dev->data->rx_queue_state[idx] = RTE_ETH_QUEUE_STATE_STARTED;
5226e0a3637SMichael Baum 	rxq_ctrl->wqn = tmpl->rq_obj.rq->id;
5231260a87bSMichael Baum 	return 0;
5246deb19e1SMichael Baum error:
5256deb19e1SMichael Baum 	ret = rte_errno; /* Save rte_errno before cleanup. */
5266e0a3637SMichael Baum 	mlx5_rxq_devx_obj_release(tmpl);
5271260a87bSMichael Baum 	rte_errno = ret; /* Restore rte_errno. */
5281260a87bSMichael Baum 	return -rte_errno;
5296deb19e1SMichael Baum }
5306deb19e1SMichael Baum 
53187e2db37SMichael Baum /**
532fa7ad49eSAndrey Vesnovaty  * Prepare RQT attribute structure for DevX RQT API.
533fa7ad49eSAndrey Vesnovaty  *
534fa7ad49eSAndrey Vesnovaty  * @param dev
535fa7ad49eSAndrey Vesnovaty  *   Pointer to Ethernet device.
536fa7ad49eSAndrey Vesnovaty  * @param log_n
537fa7ad49eSAndrey Vesnovaty  *   Log of number of queues in the array.
538fa7ad49eSAndrey Vesnovaty  * @param ind_tbl
539fa7ad49eSAndrey Vesnovaty  *   DevX indirection table object.
540fa7ad49eSAndrey Vesnovaty  *
541fa7ad49eSAndrey Vesnovaty  * @return
542fa7ad49eSAndrey Vesnovaty  *   The RQT attr object initialized, NULL otherwise and rte_errno is set.
543fa7ad49eSAndrey Vesnovaty  */
544fa7ad49eSAndrey Vesnovaty static struct mlx5_devx_rqt_attr *
545fa7ad49eSAndrey Vesnovaty mlx5_devx_ind_table_create_rqt_attr(struct rte_eth_dev *dev,
546fa7ad49eSAndrey Vesnovaty 				     const unsigned int log_n,
547fa7ad49eSAndrey Vesnovaty 				     const uint16_t *queues,
548fa7ad49eSAndrey Vesnovaty 				     const uint32_t queues_n)
549fa7ad49eSAndrey Vesnovaty {
550fa7ad49eSAndrey Vesnovaty 	struct mlx5_priv *priv = dev->data->dev_private;
551fa7ad49eSAndrey Vesnovaty 	struct mlx5_devx_rqt_attr *rqt_attr = NULL;
552fa7ad49eSAndrey Vesnovaty 	const unsigned int rqt_n = 1 << log_n;
553fa7ad49eSAndrey Vesnovaty 	unsigned int i, j;
554fa7ad49eSAndrey Vesnovaty 
555fa7ad49eSAndrey Vesnovaty 	rqt_attr = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt_attr) +
556fa7ad49eSAndrey Vesnovaty 			      rqt_n * sizeof(uint32_t), 0, SOCKET_ID_ANY);
557fa7ad49eSAndrey Vesnovaty 	if (!rqt_attr) {
558fa7ad49eSAndrey Vesnovaty 		DRV_LOG(ERR, "Port %u cannot allocate RQT resources.",
559fa7ad49eSAndrey Vesnovaty 			dev->data->port_id);
560fa7ad49eSAndrey Vesnovaty 		rte_errno = ENOMEM;
561fa7ad49eSAndrey Vesnovaty 		return NULL;
562fa7ad49eSAndrey Vesnovaty 	}
563fa7ad49eSAndrey Vesnovaty 	rqt_attr->rqt_max_size = priv->config.ind_table_max_size;
564fa7ad49eSAndrey Vesnovaty 	rqt_attr->rqt_actual_size = rqt_n;
565fa7ad49eSAndrey Vesnovaty 	for (i = 0; i != queues_n; ++i) {
566fa7ad49eSAndrey Vesnovaty 		struct mlx5_rxq_data *rxq = (*priv->rxqs)[queues[i]];
567fa7ad49eSAndrey Vesnovaty 		struct mlx5_rxq_ctrl *rxq_ctrl =
568fa7ad49eSAndrey Vesnovaty 				container_of(rxq, struct mlx5_rxq_ctrl, rxq);
569fa7ad49eSAndrey Vesnovaty 
5706e0a3637SMichael Baum 		rqt_attr->rq_list[i] = rxq_ctrl->obj->rq_obj.rq->id;
571fa7ad49eSAndrey Vesnovaty 	}
572fa7ad49eSAndrey Vesnovaty 	MLX5_ASSERT(i > 0);
573fa7ad49eSAndrey Vesnovaty 	for (j = 0; i != rqt_n; ++j, ++i)
574fa7ad49eSAndrey Vesnovaty 		rqt_attr->rq_list[i] = rqt_attr->rq_list[j];
575fa7ad49eSAndrey Vesnovaty 	return rqt_attr;
576fa7ad49eSAndrey Vesnovaty }
577fa7ad49eSAndrey Vesnovaty 
578fa7ad49eSAndrey Vesnovaty /**
57925ae7f1aSMichael Baum  * Create RQT using DevX API as a filed of indirection table.
58087e2db37SMichael Baum  *
58187e2db37SMichael Baum  * @param dev
58287e2db37SMichael Baum  *   Pointer to Ethernet device.
58325ae7f1aSMichael Baum  * @param log_n
58425ae7f1aSMichael Baum  *   Log of number of queues in the array.
58525ae7f1aSMichael Baum  * @param ind_tbl
58625ae7f1aSMichael Baum  *   DevX indirection table object.
58787e2db37SMichael Baum  *
58887e2db37SMichael Baum  * @return
58925ae7f1aSMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
59087e2db37SMichael Baum  */
59125ae7f1aSMichael Baum static int
59225ae7f1aSMichael Baum mlx5_devx_ind_table_new(struct rte_eth_dev *dev, const unsigned int log_n,
59325ae7f1aSMichael Baum 			struct mlx5_ind_table_obj *ind_tbl)
59487e2db37SMichael Baum {
59587e2db37SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
59687e2db37SMichael Baum 	struct mlx5_devx_rqt_attr *rqt_attr = NULL;
59787e2db37SMichael Baum 
59825ae7f1aSMichael Baum 	MLX5_ASSERT(ind_tbl);
599fa7ad49eSAndrey Vesnovaty 	rqt_attr = mlx5_devx_ind_table_create_rqt_attr(dev, log_n,
600fa7ad49eSAndrey Vesnovaty 							ind_tbl->queues,
601fa7ad49eSAndrey Vesnovaty 							ind_tbl->queues_n);
602fa7ad49eSAndrey Vesnovaty 	if (!rqt_attr)
60325ae7f1aSMichael Baum 		return -rte_errno;
60487e2db37SMichael Baum 	ind_tbl->rqt = mlx5_devx_cmd_create_rqt(priv->sh->ctx, rqt_attr);
60587e2db37SMichael Baum 	mlx5_free(rqt_attr);
60687e2db37SMichael Baum 	if (!ind_tbl->rqt) {
60787e2db37SMichael Baum 		DRV_LOG(ERR, "Port %u cannot create DevX RQT.",
60887e2db37SMichael Baum 			dev->data->port_id);
60987e2db37SMichael Baum 		rte_errno = errno;
61025ae7f1aSMichael Baum 		return -rte_errno;
61187e2db37SMichael Baum 	}
61225ae7f1aSMichael Baum 	return 0;
61387e2db37SMichael Baum }
61487e2db37SMichael Baum 
61587e2db37SMichael Baum /**
616fa7ad49eSAndrey Vesnovaty  * Modify RQT using DevX API as a filed of indirection table.
617fa7ad49eSAndrey Vesnovaty  *
618fa7ad49eSAndrey Vesnovaty  * @param dev
619fa7ad49eSAndrey Vesnovaty  *   Pointer to Ethernet device.
620fa7ad49eSAndrey Vesnovaty  * @param log_n
621fa7ad49eSAndrey Vesnovaty  *   Log of number of queues in the array.
622fa7ad49eSAndrey Vesnovaty  * @param ind_tbl
623fa7ad49eSAndrey Vesnovaty  *   DevX indirection table object.
624fa7ad49eSAndrey Vesnovaty  *
625fa7ad49eSAndrey Vesnovaty  * @return
626fa7ad49eSAndrey Vesnovaty  *   0 on success, a negative errno value otherwise and rte_errno is set.
627fa7ad49eSAndrey Vesnovaty  */
628fa7ad49eSAndrey Vesnovaty static int
629fa7ad49eSAndrey Vesnovaty mlx5_devx_ind_table_modify(struct rte_eth_dev *dev, const unsigned int log_n,
630fa7ad49eSAndrey Vesnovaty 			   const uint16_t *queues, const uint32_t queues_n,
631fa7ad49eSAndrey Vesnovaty 			   struct mlx5_ind_table_obj *ind_tbl)
632fa7ad49eSAndrey Vesnovaty {
633fa7ad49eSAndrey Vesnovaty 	int ret = 0;
634fa7ad49eSAndrey Vesnovaty 	struct mlx5_devx_rqt_attr *rqt_attr = NULL;
635fa7ad49eSAndrey Vesnovaty 
636fa7ad49eSAndrey Vesnovaty 	MLX5_ASSERT(ind_tbl);
637fa7ad49eSAndrey Vesnovaty 	rqt_attr = mlx5_devx_ind_table_create_rqt_attr(dev, log_n,
638fa7ad49eSAndrey Vesnovaty 							queues,
639fa7ad49eSAndrey Vesnovaty 							queues_n);
640fa7ad49eSAndrey Vesnovaty 	if (!rqt_attr)
641fa7ad49eSAndrey Vesnovaty 		return -rte_errno;
642fa7ad49eSAndrey Vesnovaty 	ret = mlx5_devx_cmd_modify_rqt(ind_tbl->rqt, rqt_attr);
643fa7ad49eSAndrey Vesnovaty 	mlx5_free(rqt_attr);
644fa7ad49eSAndrey Vesnovaty 	if (ret)
645fa7ad49eSAndrey Vesnovaty 		DRV_LOG(ERR, "Port %u cannot modify DevX RQT.",
646fa7ad49eSAndrey Vesnovaty 			dev->data->port_id);
647fa7ad49eSAndrey Vesnovaty 	return ret;
648fa7ad49eSAndrey Vesnovaty }
649fa7ad49eSAndrey Vesnovaty 
650fa7ad49eSAndrey Vesnovaty /**
65187e2db37SMichael Baum  * Destroy the DevX RQT object.
65287e2db37SMichael Baum  *
65387e2db37SMichael Baum  * @param ind_table
65487e2db37SMichael Baum  *   Indirection table to release.
65587e2db37SMichael Baum  */
65687e2db37SMichael Baum static void
65725ae7f1aSMichael Baum mlx5_devx_ind_table_destroy(struct mlx5_ind_table_obj *ind_tbl)
65887e2db37SMichael Baum {
65987e2db37SMichael Baum 	claim_zero(mlx5_devx_cmd_destroy(ind_tbl->rqt));
66087e2db37SMichael Baum }
66187e2db37SMichael Baum 
66285552726SMichael Baum /**
663b8cc58c1SAndrey Vesnovaty  * Set TIR attribute struct with relevant input values.
66485552726SMichael Baum  *
665b8cc58c1SAndrey Vesnovaty  * @param[in] dev
66685552726SMichael Baum  *   Pointer to Ethernet device.
667b8cc58c1SAndrey Vesnovaty  * @param[in] rss_key
668b8cc58c1SAndrey Vesnovaty  *   RSS key for the Rx hash queue.
669b8cc58c1SAndrey Vesnovaty  * @param[in] hash_fields
670b8cc58c1SAndrey Vesnovaty  *   Verbs protocol hash field to make the RSS on.
671b8cc58c1SAndrey Vesnovaty  * @param[in] ind_tbl
672b8cc58c1SAndrey Vesnovaty  *   Indirection table for TIR.
673b8cc58c1SAndrey Vesnovaty  * @param[in] tunnel
67485552726SMichael Baum  *   Tunnel type.
675b8cc58c1SAndrey Vesnovaty  * @param[out] tir_attr
676b8cc58c1SAndrey Vesnovaty  *   Parameters structure for TIR creation/modification.
67785552726SMichael Baum  *
67885552726SMichael Baum  * @return
679b8cc58c1SAndrey Vesnovaty  *   The Verbs/DevX object initialised index, 0 otherwise and rte_errno is set.
68085552726SMichael Baum  */
681b8cc58c1SAndrey Vesnovaty static void
682b8cc58c1SAndrey Vesnovaty mlx5_devx_tir_attr_set(struct rte_eth_dev *dev, const uint8_t *rss_key,
683b8cc58c1SAndrey Vesnovaty 		       uint64_t hash_fields,
684b8cc58c1SAndrey Vesnovaty 		       const struct mlx5_ind_table_obj *ind_tbl,
685b8cc58c1SAndrey Vesnovaty 		       int tunnel, struct mlx5_devx_tir_attr *tir_attr)
68685552726SMichael Baum {
68785552726SMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
6885a959cbfSMichael Baum 	struct mlx5_rxq_data *rxq_data = (*priv->rxqs)[ind_tbl->queues[0]];
68985552726SMichael Baum 	struct mlx5_rxq_ctrl *rxq_ctrl =
69085552726SMichael Baum 		container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
691b8cc58c1SAndrey Vesnovaty 	enum mlx5_rxq_type rxq_obj_type = rxq_ctrl->type;
69285552726SMichael Baum 	bool lro = true;
6935a959cbfSMichael Baum 	uint32_t i;
69485552726SMichael Baum 
69585552726SMichael Baum 	/* Enable TIR LRO only if all the queues were configured for. */
6965a959cbfSMichael Baum 	for (i = 0; i < ind_tbl->queues_n; ++i) {
6975a959cbfSMichael Baum 		if (!(*priv->rxqs)[ind_tbl->queues[i]]->lro) {
69885552726SMichael Baum 			lro = false;
69985552726SMichael Baum 			break;
70085552726SMichael Baum 		}
70185552726SMichael Baum 	}
702b8cc58c1SAndrey Vesnovaty 	memset(tir_attr, 0, sizeof(*tir_attr));
703b8cc58c1SAndrey Vesnovaty 	tir_attr->disp_type = MLX5_TIRC_DISP_TYPE_INDIRECT;
704b8cc58c1SAndrey Vesnovaty 	tir_attr->rx_hash_fn = MLX5_RX_HASH_FN_TOEPLITZ;
705b8cc58c1SAndrey Vesnovaty 	tir_attr->tunneled_offload_en = !!tunnel;
70685552726SMichael Baum 	/* If needed, translate hash_fields bitmap to PRM format. */
70785552726SMichael Baum 	if (hash_fields) {
708b8cc58c1SAndrey Vesnovaty 		struct mlx5_rx_hash_field_select *rx_hash_field_select =
70985552726SMichael Baum #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
710b8cc58c1SAndrey Vesnovaty 			hash_fields & IBV_RX_HASH_INNER ?
711b8cc58c1SAndrey Vesnovaty 				&tir_attr->rx_hash_field_selector_inner :
71285552726SMichael Baum #endif
713b8cc58c1SAndrey Vesnovaty 				&tir_attr->rx_hash_field_selector_outer;
71485552726SMichael Baum 		/* 1 bit: 0: IPv4, 1: IPv6. */
71585552726SMichael Baum 		rx_hash_field_select->l3_prot_type =
71685552726SMichael Baum 					!!(hash_fields & MLX5_IPV6_IBV_RX_HASH);
71785552726SMichael Baum 		/* 1 bit: 0: TCP, 1: UDP. */
71885552726SMichael Baum 		rx_hash_field_select->l4_prot_type =
71985552726SMichael Baum 					!!(hash_fields & MLX5_UDP_IBV_RX_HASH);
72085552726SMichael Baum 		/* Bitmask which sets which fields to use in RX Hash. */
72185552726SMichael Baum 		rx_hash_field_select->selected_fields =
72285552726SMichael Baum 			((!!(hash_fields & MLX5_L3_SRC_IBV_RX_HASH)) <<
72385552726SMichael Baum 			 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP) |
72485552726SMichael Baum 			(!!(hash_fields & MLX5_L3_DST_IBV_RX_HASH)) <<
72585552726SMichael Baum 			 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_DST_IP |
72685552726SMichael Baum 			(!!(hash_fields & MLX5_L4_SRC_IBV_RX_HASH)) <<
72785552726SMichael Baum 			 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT |
72885552726SMichael Baum 			(!!(hash_fields & MLX5_L4_DST_IBV_RX_HASH)) <<
72985552726SMichael Baum 			 MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT;
73085552726SMichael Baum 	}
731b8cc58c1SAndrey Vesnovaty 	if (rxq_obj_type == MLX5_RXQ_TYPE_HAIRPIN)
732b8cc58c1SAndrey Vesnovaty 		tir_attr->transport_domain = priv->sh->td->id;
73385552726SMichael Baum 	else
734b8cc58c1SAndrey Vesnovaty 		tir_attr->transport_domain = priv->sh->tdn;
735b8cc58c1SAndrey Vesnovaty 	memcpy(tir_attr->rx_hash_toeplitz_key, rss_key, MLX5_RSS_HASH_KEY_LEN);
736b8cc58c1SAndrey Vesnovaty 	tir_attr->indirect_table = ind_tbl->rqt->id;
73785552726SMichael Baum 	if (dev->data->dev_conf.lpbk_mode)
738b8cc58c1SAndrey Vesnovaty 		tir_attr->self_lb_block =
739b8cc58c1SAndrey Vesnovaty 					MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
74085552726SMichael Baum 	if (lro) {
741b8cc58c1SAndrey Vesnovaty 		tir_attr->lro_timeout_period_usecs = priv->config.lro.timeout;
742b8cc58c1SAndrey Vesnovaty 		tir_attr->lro_max_msg_sz = priv->max_lro_msg_size;
743b8cc58c1SAndrey Vesnovaty 		tir_attr->lro_enable_mask =
744b8cc58c1SAndrey Vesnovaty 				MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO |
74585552726SMichael Baum 				MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO;
74685552726SMichael Baum 	}
747b8cc58c1SAndrey Vesnovaty }
748b8cc58c1SAndrey Vesnovaty 
749b8cc58c1SAndrey Vesnovaty /**
750b8cc58c1SAndrey Vesnovaty  * Create an Rx Hash queue.
751b8cc58c1SAndrey Vesnovaty  *
752b8cc58c1SAndrey Vesnovaty  * @param dev
753b8cc58c1SAndrey Vesnovaty  *   Pointer to Ethernet device.
754b8cc58c1SAndrey Vesnovaty  * @param hrxq
755b8cc58c1SAndrey Vesnovaty  *   Pointer to Rx Hash queue.
756b8cc58c1SAndrey Vesnovaty  * @param tunnel
757b8cc58c1SAndrey Vesnovaty  *   Tunnel type.
758b8cc58c1SAndrey Vesnovaty  *
759b8cc58c1SAndrey Vesnovaty  * @return
760b8cc58c1SAndrey Vesnovaty  *   0 on success, a negative errno value otherwise and rte_errno is set.
761b8cc58c1SAndrey Vesnovaty  */
762b8cc58c1SAndrey Vesnovaty static int
763b8cc58c1SAndrey Vesnovaty mlx5_devx_hrxq_new(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq,
764b8cc58c1SAndrey Vesnovaty 		   int tunnel __rte_unused)
765b8cc58c1SAndrey Vesnovaty {
766b8cc58c1SAndrey Vesnovaty 	struct mlx5_priv *priv = dev->data->dev_private;
767b8cc58c1SAndrey Vesnovaty 	struct mlx5_devx_tir_attr tir_attr = {0};
768b8cc58c1SAndrey Vesnovaty 	int err;
769b8cc58c1SAndrey Vesnovaty 
770b8cc58c1SAndrey Vesnovaty 	mlx5_devx_tir_attr_set(dev, hrxq->rss_key, hrxq->hash_fields,
771b8cc58c1SAndrey Vesnovaty 			       hrxq->ind_table, tunnel, &tir_attr);
7725a959cbfSMichael Baum 	hrxq->tir = mlx5_devx_cmd_create_tir(priv->sh->ctx, &tir_attr);
7735a959cbfSMichael Baum 	if (!hrxq->tir) {
77485552726SMichael Baum 		DRV_LOG(ERR, "Port %u cannot create DevX TIR.",
77585552726SMichael Baum 			dev->data->port_id);
77685552726SMichael Baum 		rte_errno = errno;
77785552726SMichael Baum 		goto error;
77885552726SMichael Baum 	}
779f1ae0b35SOphir Munk #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
78088019723SOphir Munk 	if (mlx5_flow_os_create_flow_action_dest_devx_tir(hrxq->tir,
78188019723SOphir Munk 							  &hrxq->action)) {
78285552726SMichael Baum 		rte_errno = errno;
78385552726SMichael Baum 		goto error;
78485552726SMichael Baum 	}
78585552726SMichael Baum #endif
7865a959cbfSMichael Baum 	return 0;
78785552726SMichael Baum error:
78885552726SMichael Baum 	err = rte_errno; /* Save rte_errno before cleanup. */
7895a959cbfSMichael Baum 	if (hrxq->tir)
7905a959cbfSMichael Baum 		claim_zero(mlx5_devx_cmd_destroy(hrxq->tir));
79185552726SMichael Baum 	rte_errno = err; /* Restore rte_errno. */
7925a959cbfSMichael Baum 	return -rte_errno;
79385552726SMichael Baum }
79485552726SMichael Baum 
79585552726SMichael Baum /**
79685552726SMichael Baum  * Destroy a DevX TIR object.
79785552726SMichael Baum  *
79885552726SMichael Baum  * @param hrxq
79985552726SMichael Baum  *   Hash Rx queue to release its tir.
80085552726SMichael Baum  */
80185552726SMichael Baum static void
80285552726SMichael Baum mlx5_devx_tir_destroy(struct mlx5_hrxq *hrxq)
80385552726SMichael Baum {
80485552726SMichael Baum 	claim_zero(mlx5_devx_cmd_destroy(hrxq->tir));
80585552726SMichael Baum }
80685552726SMichael Baum 
8075eaf882eSMichael Baum /**
808b8cc58c1SAndrey Vesnovaty  * Modify an Rx Hash queue configuration.
809b8cc58c1SAndrey Vesnovaty  *
810b8cc58c1SAndrey Vesnovaty  * @param dev
811b8cc58c1SAndrey Vesnovaty  *   Pointer to Ethernet device.
812b8cc58c1SAndrey Vesnovaty  * @param hrxq
813b8cc58c1SAndrey Vesnovaty  *   Hash Rx queue to modify.
814b8cc58c1SAndrey Vesnovaty  * @param rss_key
815b8cc58c1SAndrey Vesnovaty  *   RSS key for the Rx hash queue.
816b8cc58c1SAndrey Vesnovaty  * @param hash_fields
817b8cc58c1SAndrey Vesnovaty  *   Verbs protocol hash field to make the RSS on.
818b8cc58c1SAndrey Vesnovaty  * @param[in] ind_tbl
819b8cc58c1SAndrey Vesnovaty  *   Indirection table for TIR.
820b8cc58c1SAndrey Vesnovaty  *
821b8cc58c1SAndrey Vesnovaty  * @return
822b8cc58c1SAndrey Vesnovaty  *   0 on success, a negative errno value otherwise and rte_errno is set.
823b8cc58c1SAndrey Vesnovaty  */
824b8cc58c1SAndrey Vesnovaty static int
825b8cc58c1SAndrey Vesnovaty mlx5_devx_hrxq_modify(struct rte_eth_dev *dev, struct mlx5_hrxq *hrxq,
826b8cc58c1SAndrey Vesnovaty 		       const uint8_t *rss_key,
827b8cc58c1SAndrey Vesnovaty 		       uint64_t hash_fields,
828b8cc58c1SAndrey Vesnovaty 		       const struct mlx5_ind_table_obj *ind_tbl)
829b8cc58c1SAndrey Vesnovaty {
830b8cc58c1SAndrey Vesnovaty 	struct mlx5_devx_modify_tir_attr modify_tir = {0};
831b8cc58c1SAndrey Vesnovaty 
832b8cc58c1SAndrey Vesnovaty 	/*
833b8cc58c1SAndrey Vesnovaty 	 * untested for modification fields:
834b8cc58c1SAndrey Vesnovaty 	 * - rx_hash_symmetric not set in hrxq_new(),
835b8cc58c1SAndrey Vesnovaty 	 * - rx_hash_fn set hard-coded in hrxq_new(),
836b8cc58c1SAndrey Vesnovaty 	 * - lro_xxx not set after rxq setup
837b8cc58c1SAndrey Vesnovaty 	 */
838b8cc58c1SAndrey Vesnovaty 	if (ind_tbl != hrxq->ind_table)
839b8cc58c1SAndrey Vesnovaty 		modify_tir.modify_bitmask |=
840b8cc58c1SAndrey Vesnovaty 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE;
841b8cc58c1SAndrey Vesnovaty 	if (hash_fields != hrxq->hash_fields ||
842b8cc58c1SAndrey Vesnovaty 			memcmp(hrxq->rss_key, rss_key, MLX5_RSS_HASH_KEY_LEN))
843b8cc58c1SAndrey Vesnovaty 		modify_tir.modify_bitmask |=
844b8cc58c1SAndrey Vesnovaty 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH;
845b8cc58c1SAndrey Vesnovaty 	mlx5_devx_tir_attr_set(dev, rss_key, hash_fields, ind_tbl,
846b8cc58c1SAndrey Vesnovaty 			       0, /* N/A - tunnel modification unsupported */
847b8cc58c1SAndrey Vesnovaty 			       &modify_tir.tir);
848b8cc58c1SAndrey Vesnovaty 	modify_tir.tirn = hrxq->tir->id;
849b8cc58c1SAndrey Vesnovaty 	if (mlx5_devx_cmd_modify_tir(hrxq->tir, &modify_tir)) {
850b8cc58c1SAndrey Vesnovaty 		DRV_LOG(ERR, "port %u cannot modify DevX TIR",
851b8cc58c1SAndrey Vesnovaty 			dev->data->port_id);
852b8cc58c1SAndrey Vesnovaty 		rte_errno = errno;
853b8cc58c1SAndrey Vesnovaty 		return -rte_errno;
854b8cc58c1SAndrey Vesnovaty 	}
855b8cc58c1SAndrey Vesnovaty 	return 0;
856b8cc58c1SAndrey Vesnovaty }
857b8cc58c1SAndrey Vesnovaty 
858b8cc58c1SAndrey Vesnovaty /**
8590c762e81SMichael Baum  * Create a DevX drop action for Rx Hash queue.
8605eaf882eSMichael Baum  *
8615eaf882eSMichael Baum  * @param dev
8625eaf882eSMichael Baum  *   Pointer to Ethernet device.
8635eaf882eSMichael Baum  *
8645eaf882eSMichael Baum  * @return
8650c762e81SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
8665eaf882eSMichael Baum  */
8670c762e81SMichael Baum static int
8680c762e81SMichael Baum mlx5_devx_drop_action_create(struct rte_eth_dev *dev)
8695eaf882eSMichael Baum {
8705eaf882eSMichael Baum 	(void)dev;
87186d259ceSMichael Baum 	DRV_LOG(ERR, "DevX drop action is not supported yet.");
8725eaf882eSMichael Baum 	rte_errno = ENOTSUP;
8730c762e81SMichael Baum 	return -rte_errno;
8745eaf882eSMichael Baum }
8755eaf882eSMichael Baum 
8765eaf882eSMichael Baum /**
8775eaf882eSMichael Baum  * Release a drop hash Rx queue.
8785eaf882eSMichael Baum  *
8795eaf882eSMichael Baum  * @param dev
8805eaf882eSMichael Baum  *   Pointer to Ethernet device.
8815eaf882eSMichael Baum  */
8825eaf882eSMichael Baum static void
8830c762e81SMichael Baum mlx5_devx_drop_action_destroy(struct rte_eth_dev *dev)
8845eaf882eSMichael Baum {
8855eaf882eSMichael Baum 	(void)dev;
88686d259ceSMichael Baum 	DRV_LOG(ERR, "DevX drop action is not supported yet.");
8875eaf882eSMichael Baum 	rte_errno = ENOTSUP;
8885eaf882eSMichael Baum }
8895eaf882eSMichael Baum 
89086d259ceSMichael Baum /**
89186d259ceSMichael Baum  * Create the Tx hairpin queue object.
89286d259ceSMichael Baum  *
89386d259ceSMichael Baum  * @param dev
89486d259ceSMichael Baum  *   Pointer to Ethernet device.
89586d259ceSMichael Baum  * @param idx
89686d259ceSMichael Baum  *   Queue index in DPDK Tx queue array.
89786d259ceSMichael Baum  *
89886d259ceSMichael Baum  * @return
899f49f4483SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
90086d259ceSMichael Baum  */
901f49f4483SMichael Baum static int
90286d259ceSMichael Baum mlx5_txq_obj_hairpin_new(struct rte_eth_dev *dev, uint16_t idx)
90386d259ceSMichael Baum {
90486d259ceSMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
90586d259ceSMichael Baum 	struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
90686d259ceSMichael Baum 	struct mlx5_txq_ctrl *txq_ctrl =
90786d259ceSMichael Baum 		container_of(txq_data, struct mlx5_txq_ctrl, txq);
90886d259ceSMichael Baum 	struct mlx5_devx_create_sq_attr attr = { 0 };
909f49f4483SMichael Baum 	struct mlx5_txq_obj *tmpl = txq_ctrl->obj;
91086d259ceSMichael Baum 	uint32_t max_wq_data;
91186d259ceSMichael Baum 
91286d259ceSMichael Baum 	MLX5_ASSERT(txq_data);
913f49f4483SMichael Baum 	MLX5_ASSERT(tmpl);
91486d259ceSMichael Baum 	tmpl->txq_ctrl = txq_ctrl;
91586d259ceSMichael Baum 	attr.hairpin = 1;
91686d259ceSMichael Baum 	attr.tis_lst_sz = 1;
91786d259ceSMichael Baum 	max_wq_data = priv->config.hca_attr.log_max_hairpin_wq_data_sz;
91886d259ceSMichael Baum 	/* Jumbo frames > 9KB should be supported, and more packets. */
91986d259ceSMichael Baum 	if (priv->config.log_hp_size != (uint32_t)MLX5_ARG_UNSET) {
92086d259ceSMichael Baum 		if (priv->config.log_hp_size > max_wq_data) {
92186d259ceSMichael Baum 			DRV_LOG(ERR, "Total data size %u power of 2 is "
92286d259ceSMichael Baum 				"too large for hairpin.",
92386d259ceSMichael Baum 				priv->config.log_hp_size);
92486d259ceSMichael Baum 			rte_errno = ERANGE;
925f49f4483SMichael Baum 			return -rte_errno;
92686d259ceSMichael Baum 		}
92786d259ceSMichael Baum 		attr.wq_attr.log_hairpin_data_sz = priv->config.log_hp_size;
92886d259ceSMichael Baum 	} else {
92986d259ceSMichael Baum 		attr.wq_attr.log_hairpin_data_sz =
93086d259ceSMichael Baum 				(max_wq_data < MLX5_HAIRPIN_JUMBO_LOG_SIZE) ?
93186d259ceSMichael Baum 				 max_wq_data : MLX5_HAIRPIN_JUMBO_LOG_SIZE;
93286d259ceSMichael Baum 	}
93386d259ceSMichael Baum 	/* Set the packets number to the maximum value for performance. */
93486d259ceSMichael Baum 	attr.wq_attr.log_hairpin_num_packets =
93586d259ceSMichael Baum 			attr.wq_attr.log_hairpin_data_sz -
93686d259ceSMichael Baum 			MLX5_HAIRPIN_QUEUE_STRIDE;
93786d259ceSMichael Baum 	attr.tis_num = priv->sh->tis->id;
93886d259ceSMichael Baum 	tmpl->sq = mlx5_devx_cmd_create_sq(priv->sh->ctx, &attr);
93986d259ceSMichael Baum 	if (!tmpl->sq) {
94086d259ceSMichael Baum 		DRV_LOG(ERR,
94186d259ceSMichael Baum 			"Port %u tx hairpin queue %u can't create SQ object.",
94286d259ceSMichael Baum 			dev->data->port_id, idx);
94386d259ceSMichael Baum 		rte_errno = errno;
944f49f4483SMichael Baum 		return -rte_errno;
94586d259ceSMichael Baum 	}
946f49f4483SMichael Baum 	return 0;
94786d259ceSMichael Baum }
94886d259ceSMichael Baum 
949f1ae0b35SOphir Munk #if defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) || !defined(HAVE_INFINIBAND_VERBS_H)
95086d259ceSMichael Baum /**
95186d259ceSMichael Baum  * Destroy the Tx queue DevX object.
95286d259ceSMichael Baum  *
95386d259ceSMichael Baum  * @param txq_obj
95486d259ceSMichael Baum  *   Txq object to destroy.
95586d259ceSMichael Baum  */
95686d259ceSMichael Baum static void
95788f2e3f1SMichael Baum mlx5_txq_release_devx_resources(struct mlx5_txq_obj *txq_obj)
95886d259ceSMichael Baum {
95974e91860SMichael Baum 	mlx5_devx_sq_destroy(&txq_obj->sq_obj);
96074e91860SMichael Baum 	memset(&txq_obj->sq_obj, 0, sizeof(txq_obj->sq_obj));
9615f04f70cSMichael Baum 	mlx5_devx_cq_destroy(&txq_obj->cq_obj);
9625f04f70cSMichael Baum 	memset(&txq_obj->cq_obj, 0, sizeof(txq_obj->cq_obj));
96386d259ceSMichael Baum }
96486d259ceSMichael Baum 
96586d259ceSMichael Baum /**
96688f2e3f1SMichael Baum  * Create a SQ object and its resources using DevX.
96786d259ceSMichael Baum  *
96886d259ceSMichael Baum  * @param dev
96986d259ceSMichael Baum  *   Pointer to Ethernet device.
97086d259ceSMichael Baum  * @param idx
97186d259ceSMichael Baum  *   Queue index in DPDK Tx queue array.
97274e91860SMichael Baum  * @param[in] log_desc_n
97374e91860SMichael Baum  *   Log of number of descriptors in queue.
97486d259ceSMichael Baum  *
97586d259ceSMichael Baum  * @return
97674e91860SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
97786d259ceSMichael Baum  */
97874e91860SMichael Baum static int
97974e91860SMichael Baum mlx5_txq_create_devx_sq_resources(struct rte_eth_dev *dev, uint16_t idx,
98074e91860SMichael Baum 				  uint16_t log_desc_n)
98186d259ceSMichael Baum {
98286d259ceSMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
98386d259ceSMichael Baum 	struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
98488f2e3f1SMichael Baum 	struct mlx5_txq_ctrl *txq_ctrl =
98588f2e3f1SMichael Baum 			container_of(txq_data, struct mlx5_txq_ctrl, txq);
98688f2e3f1SMichael Baum 	struct mlx5_txq_obj *txq_obj = txq_ctrl->obj;
98774e91860SMichael Baum 	struct mlx5_devx_create_sq_attr sq_attr = {
98874e91860SMichael Baum 		.flush_in_error_en = 1,
98974e91860SMichael Baum 		.allow_multi_pkt_send_wqe = !!priv->config.mps,
99074e91860SMichael Baum 		.min_wqe_inline_mode = priv->config.hca_attr.vport_inline_mode,
99174e91860SMichael Baum 		.allow_swp = !!priv->config.swp,
99274e91860SMichael Baum 		.cqn = txq_obj->cq_obj.cq->id,
99374e91860SMichael Baum 		.tis_lst_sz = 1,
99474e91860SMichael Baum 		.tis_num = priv->sh->tis->id,
99574e91860SMichael Baum 		.wq_attr = (struct mlx5_devx_wq_attr){
99674e91860SMichael Baum 			.pd = priv->sh->pdn,
99774e91860SMichael Baum 			.uar_page =
99874e91860SMichael Baum 				 mlx5_os_get_devx_uar_page_id(priv->sh->tx_uar),
99974e91860SMichael Baum 		},
1000d61381adSViacheslav Ovsiienko 		.ts_format = mlx5_ts_format_conv(priv->sh->sq_ts_format),
100174e91860SMichael Baum 	};
100286d259ceSMichael Baum 	/* Create Send Queue object with DevX. */
100374e91860SMichael Baum 	return mlx5_devx_sq_create(priv->sh->ctx, &txq_obj->sq_obj, log_desc_n,
100474e91860SMichael Baum 				   &sq_attr, priv->sh->numa_node);
100586d259ceSMichael Baum }
100686d259ceSMichael Baum #endif
100786d259ceSMichael Baum 
100886d259ceSMichael Baum /**
100986d259ceSMichael Baum  * Create the Tx queue DevX object.
101086d259ceSMichael Baum  *
101186d259ceSMichael Baum  * @param dev
101286d259ceSMichael Baum  *   Pointer to Ethernet device.
101386d259ceSMichael Baum  * @param idx
101486d259ceSMichael Baum  *   Queue index in DPDK Tx queue array.
101586d259ceSMichael Baum  *
101686d259ceSMichael Baum  * @return
1017f49f4483SMichael Baum  *   0 on success, a negative errno value otherwise and rte_errno is set.
101886d259ceSMichael Baum  */
1019f49f4483SMichael Baum int
102086d259ceSMichael Baum mlx5_txq_devx_obj_new(struct rte_eth_dev *dev, uint16_t idx)
102186d259ceSMichael Baum {
102286d259ceSMichael Baum 	struct mlx5_priv *priv = dev->data->dev_private;
102386d259ceSMichael Baum 	struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
102486d259ceSMichael Baum 	struct mlx5_txq_ctrl *txq_ctrl =
102586d259ceSMichael Baum 			container_of(txq_data, struct mlx5_txq_ctrl, txq);
102686d259ceSMichael Baum 
102786d259ceSMichael Baum 	if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN)
102886d259ceSMichael Baum 		return mlx5_txq_obj_hairpin_new(dev, idx);
1029f1ae0b35SOphir Munk #if !defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) && defined(HAVE_INFINIBAND_VERBS_H)
103086d259ceSMichael Baum 	DRV_LOG(ERR, "Port %u Tx queue %u cannot create with DevX, no UAR.",
103186d259ceSMichael Baum 		     dev->data->port_id, idx);
103286d259ceSMichael Baum 	rte_errno = ENOMEM;
1033f49f4483SMichael Baum 	return -rte_errno;
103486d259ceSMichael Baum #else
103586d259ceSMichael Baum 	struct mlx5_dev_ctx_shared *sh = priv->sh;
1036f49f4483SMichael Baum 	struct mlx5_txq_obj *txq_obj = txq_ctrl->obj;
10375f04f70cSMichael Baum 	struct mlx5_devx_cq_attr cq_attr = {
10385f04f70cSMichael Baum 		.uar_page_id = mlx5_os_get_devx_uar_page_id(sh->tx_uar),
10395f04f70cSMichael Baum 	};
104086d259ceSMichael Baum 	void *reg_addr;
10415f04f70cSMichael Baum 	uint32_t cqe_n, log_desc_n;
104200984de5SViacheslav Ovsiienko 	uint32_t wqe_n, wqe_size;
104386d259ceSMichael Baum 	int ret = 0;
104486d259ceSMichael Baum 
104586d259ceSMichael Baum 	MLX5_ASSERT(txq_data);
1046f49f4483SMichael Baum 	MLX5_ASSERT(txq_obj);
104786d259ceSMichael Baum 	txq_obj->txq_ctrl = txq_ctrl;
104886d259ceSMichael Baum 	txq_obj->dev = dev;
10495f04f70cSMichael Baum 	cqe_n = (1UL << txq_data->elts_n) / MLX5_TX_COMP_THRESH +
10505f04f70cSMichael Baum 		1 + MLX5_TX_COMP_THRESH_INLINE_DIV;
10515f04f70cSMichael Baum 	log_desc_n = log2above(cqe_n);
10525f04f70cSMichael Baum 	cqe_n = 1UL << log_desc_n;
10535f04f70cSMichael Baum 	if (cqe_n > UINT16_MAX) {
10545f04f70cSMichael Baum 		DRV_LOG(ERR, "Port %u Tx queue %u requests to many CQEs %u.",
10555f04f70cSMichael Baum 			dev->data->port_id, txq_data->idx, cqe_n);
10565f04f70cSMichael Baum 		rte_errno = EINVAL;
10575f04f70cSMichael Baum 		return 0;
10585f04f70cSMichael Baum 	}
10595f04f70cSMichael Baum 	/* Create completion queue object with DevX. */
10605f04f70cSMichael Baum 	ret = mlx5_devx_cq_create(sh->ctx, &txq_obj->cq_obj, log_desc_n,
10615f04f70cSMichael Baum 				  &cq_attr, priv->sh->numa_node);
10625f04f70cSMichael Baum 	if (ret) {
10635f04f70cSMichael Baum 		DRV_LOG(ERR, "Port %u Tx queue %u CQ creation failure.",
10645f04f70cSMichael Baum 			dev->data->port_id, idx);
106586d259ceSMichael Baum 		goto error;
106686d259ceSMichael Baum 	}
10675f04f70cSMichael Baum 	txq_data->cqe_n = log_desc_n;
10685f04f70cSMichael Baum 	txq_data->cqe_s = cqe_n;
106986d259ceSMichael Baum 	txq_data->cqe_m = txq_data->cqe_s - 1;
10705f04f70cSMichael Baum 	txq_data->cqes = txq_obj->cq_obj.cqes;
107186d259ceSMichael Baum 	txq_data->cq_ci = 0;
107286d259ceSMichael Baum 	txq_data->cq_pi = 0;
10735f04f70cSMichael Baum 	txq_data->cq_db = txq_obj->cq_obj.db_rec;
107486d259ceSMichael Baum 	*txq_data->cq_db = 0;
107500984de5SViacheslav Ovsiienko 	/*
107600984de5SViacheslav Ovsiienko 	 * Adjust the amount of WQEs depending on inline settings.
107700984de5SViacheslav Ovsiienko 	 * The number of descriptors should be enough to handle
107800984de5SViacheslav Ovsiienko 	 * the specified number of packets. If queue is being created
107900984de5SViacheslav Ovsiienko 	 * with Verbs the rdma-core does queue size adjustment
108000984de5SViacheslav Ovsiienko 	 * internally in the mlx5_calc_sq_size(), we do the same
108100984de5SViacheslav Ovsiienko 	 * for the queue being created with DevX at this point.
108200984de5SViacheslav Ovsiienko 	 */
108300984de5SViacheslav Ovsiienko 	wqe_size = txq_data->tso_en ?
108400984de5SViacheslav Ovsiienko 		   RTE_ALIGN(txq_ctrl->max_tso_header, MLX5_WSEG_SIZE) : 0;
108500984de5SViacheslav Ovsiienko 	wqe_size += sizeof(struct mlx5_wqe_cseg) +
108600984de5SViacheslav Ovsiienko 		    sizeof(struct mlx5_wqe_eseg) +
108700984de5SViacheslav Ovsiienko 		    sizeof(struct mlx5_wqe_dseg);
108800984de5SViacheslav Ovsiienko 	if (txq_data->inlen_send)
108900984de5SViacheslav Ovsiienko 		wqe_size = RTE_MAX(wqe_size, sizeof(struct mlx5_wqe_cseg) +
109000984de5SViacheslav Ovsiienko 					     sizeof(struct mlx5_wqe_eseg) +
109100984de5SViacheslav Ovsiienko 					     RTE_ALIGN(txq_data->inlen_send +
109200984de5SViacheslav Ovsiienko 						       sizeof(uint32_t),
109300984de5SViacheslav Ovsiienko 						       MLX5_WSEG_SIZE));
109400984de5SViacheslav Ovsiienko 	wqe_size = RTE_ALIGN(wqe_size, MLX5_WQE_SIZE) / MLX5_WQE_SIZE;
109586d259ceSMichael Baum 	/* Create Send Queue object with DevX. */
109600984de5SViacheslav Ovsiienko 	wqe_n = RTE_MIN((1UL << txq_data->elts_n) * wqe_size,
109774e91860SMichael Baum 			(uint32_t)priv->sh->device_attr.max_qp_wr);
109874e91860SMichael Baum 	log_desc_n = log2above(wqe_n);
109974e91860SMichael Baum 	ret = mlx5_txq_create_devx_sq_resources(dev, idx, log_desc_n);
110074e91860SMichael Baum 	if (ret) {
110174e91860SMichael Baum 		DRV_LOG(ERR, "Port %u Tx queue %u SQ creation failure.",
110274e91860SMichael Baum 			dev->data->port_id, idx);
110386d259ceSMichael Baum 		rte_errno = errno;
110486d259ceSMichael Baum 		goto error;
110586d259ceSMichael Baum 	}
110686d259ceSMichael Baum 	/* Create the Work Queue. */
110774e91860SMichael Baum 	txq_data->wqe_n = log_desc_n;
110886d259ceSMichael Baum 	txq_data->wqe_s = 1 << txq_data->wqe_n;
110986d259ceSMichael Baum 	txq_data->wqe_m = txq_data->wqe_s - 1;
111074e91860SMichael Baum 	txq_data->wqes = (struct mlx5_wqe *)(uintptr_t)txq_obj->sq_obj.wqes;
111186d259ceSMichael Baum 	txq_data->wqes_end = txq_data->wqes + txq_data->wqe_s;
111286d259ceSMichael Baum 	txq_data->wqe_ci = 0;
111386d259ceSMichael Baum 	txq_data->wqe_pi = 0;
111486d259ceSMichael Baum 	txq_data->wqe_comp = 0;
111586d259ceSMichael Baum 	txq_data->wqe_thres = txq_data->wqe_s / MLX5_TX_COMP_THRESH_INLINE_DIV;
111631625e62SViacheslav Ovsiienko 	txq_data->qp_db = &txq_obj->sq_obj.db_rec[MLX5_SND_DBR];
111786d259ceSMichael Baum 	*txq_data->qp_db = 0;
111874e91860SMichael Baum 	txq_data->qp_num_8s = txq_obj->sq_obj.sq->id << 8;
111986d259ceSMichael Baum 	/* Change Send Queue state to Ready-to-Send. */
1120a9c79306SMichael Baum 	ret = mlx5_devx_modify_sq(txq_obj, MLX5_TXQ_MOD_RST2RDY, 0);
112186d259ceSMichael Baum 	if (ret) {
112286d259ceSMichael Baum 		rte_errno = errno;
112386d259ceSMichael Baum 		DRV_LOG(ERR,
1124a9c79306SMichael Baum 			"Port %u Tx queue %u SQ state to SQC_STATE_RDY failed.",
112586d259ceSMichael Baum 			dev->data->port_id, idx);
112686d259ceSMichael Baum 		goto error;
112786d259ceSMichael Baum 	}
112886d259ceSMichael Baum #ifdef HAVE_IBV_FLOW_DV_SUPPORT
112986d259ceSMichael Baum 	/*
113086d259ceSMichael Baum 	 * If using DevX need to query and store TIS transport domain value.
113186d259ceSMichael Baum 	 * This is done once per port.
113286d259ceSMichael Baum 	 * Will use this value on Rx, when creating matching TIR.
113386d259ceSMichael Baum 	 */
113486d259ceSMichael Baum 	if (!priv->sh->tdn)
113586d259ceSMichael Baum 		priv->sh->tdn = priv->sh->td->id;
113686d259ceSMichael Baum #endif
113786d259ceSMichael Baum 	MLX5_ASSERT(sh->tx_uar);
113886d259ceSMichael Baum 	reg_addr = mlx5_os_get_devx_uar_reg_addr(sh->tx_uar);
113986d259ceSMichael Baum 	MLX5_ASSERT(reg_addr);
114086d259ceSMichael Baum 	txq_ctrl->bf_reg = reg_addr;
114186d259ceSMichael Baum 	txq_ctrl->uar_mmap_offset =
114286d259ceSMichael Baum 				mlx5_os_get_devx_uar_mmap_offset(sh->tx_uar);
114386d259ceSMichael Baum 	txq_uar_init(txq_ctrl);
1144876b5d52SMatan Azrad 	dev->data->tx_queue_state[idx] = RTE_ETH_QUEUE_STATE_STARTED;
1145f49f4483SMichael Baum 	return 0;
114686d259ceSMichael Baum error:
114786d259ceSMichael Baum 	ret = rte_errno; /* Save rte_errno before cleanup. */
114888f2e3f1SMichael Baum 	mlx5_txq_release_devx_resources(txq_obj);
114986d259ceSMichael Baum 	rte_errno = ret; /* Restore rte_errno. */
1150f49f4483SMichael Baum 	return -rte_errno;
115186d259ceSMichael Baum #endif
115286d259ceSMichael Baum }
115386d259ceSMichael Baum 
115486d259ceSMichael Baum /**
115586d259ceSMichael Baum  * Release an Tx DevX queue object.
115686d259ceSMichael Baum  *
115786d259ceSMichael Baum  * @param txq_obj
115886d259ceSMichael Baum  *   DevX Tx queue object.
115986d259ceSMichael Baum  */
116086d259ceSMichael Baum void
116186d259ceSMichael Baum mlx5_txq_devx_obj_release(struct mlx5_txq_obj *txq_obj)
116286d259ceSMichael Baum {
116386d259ceSMichael Baum 	MLX5_ASSERT(txq_obj);
1164354cc08aSMichael Baum 	if (txq_obj->txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
116586d259ceSMichael Baum 		if (txq_obj->tis)
116686d259ceSMichael Baum 			claim_zero(mlx5_devx_cmd_destroy(txq_obj->tis));
1167f1ae0b35SOphir Munk #if defined(HAVE_MLX5DV_DEVX_UAR_OFFSET) || !defined(HAVE_INFINIBAND_VERBS_H)
116886d259ceSMichael Baum 	} else {
116988f2e3f1SMichael Baum 		mlx5_txq_release_devx_resources(txq_obj);
117086d259ceSMichael Baum #endif
117186d259ceSMichael Baum 	}
117286d259ceSMichael Baum }
117386d259ceSMichael Baum 
11748bb2410eSOphir Munk struct mlx5_obj_ops devx_obj_ops = {
11758bb2410eSOphir Munk 	.rxq_obj_modify_vlan_strip = mlx5_rxq_obj_modify_rq_vlan_strip,
11766deb19e1SMichael Baum 	.rxq_obj_new = mlx5_rxq_devx_obj_new,
117732287079SMichael Baum 	.rxq_event_get = mlx5_rx_devx_get_event,
1178c279f187SMichael Baum 	.rxq_obj_modify = mlx5_devx_modify_rq,
11796deb19e1SMichael Baum 	.rxq_obj_release = mlx5_rxq_devx_obj_release,
118025ae7f1aSMichael Baum 	.ind_table_new = mlx5_devx_ind_table_new,
1181fa7ad49eSAndrey Vesnovaty 	.ind_table_modify = mlx5_devx_ind_table_modify,
118225ae7f1aSMichael Baum 	.ind_table_destroy = mlx5_devx_ind_table_destroy,
118385552726SMichael Baum 	.hrxq_new = mlx5_devx_hrxq_new,
118485552726SMichael Baum 	.hrxq_destroy = mlx5_devx_tir_destroy,
1185b8cc58c1SAndrey Vesnovaty 	.hrxq_modify = mlx5_devx_hrxq_modify,
11860c762e81SMichael Baum 	.drop_action_create = mlx5_devx_drop_action_create,
11870c762e81SMichael Baum 	.drop_action_destroy = mlx5_devx_drop_action_destroy,
118886d259ceSMichael Baum 	.txq_obj_new = mlx5_txq_devx_obj_new,
11895d9f3c3fSMichael Baum 	.txq_obj_modify = mlx5_devx_modify_sq,
119086d259ceSMichael Baum 	.txq_obj_release = mlx5_txq_devx_obj_release,
1191*23233fd6SBing Zhao 	.lb_dummy_queue_create = NULL,
1192*23233fd6SBing Zhao 	.lb_dummy_queue_release = NULL,
11938bb2410eSOphir Munk };
1194