+ tmpl->type = type;
+ tmpl->rxq_ctrl = rxq_ctrl;
+ if (rxq_ctrl->irq) {
+ if (tmpl->type == MLX5_RXQ_OBJ_TYPE_IBV) {
+ tmpl->ibv_channel =
+ mlx5_glue->create_comp_channel(priv->sh->ctx);
+ if (!tmpl->ibv_channel) {
+ DRV_LOG(ERR, "port %u: comp channel creation "
+ "failure", dev->data->port_id);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ tmpl->fd = ((struct ibv_comp_channel *)
+ (tmpl->ibv_channel))->fd;
+ } else if (tmpl->type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
+ int devx_ev_flag =
+ MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA;
+
+ tmpl->devx_channel =
+ mlx5_glue->devx_create_event_channel
+ (priv->sh->ctx,
+ devx_ev_flag);
+ if (!tmpl->devx_channel) {
+ rte_errno = errno;
+ DRV_LOG(ERR,
+ "Failed to create event channel %d.",
+ rte_errno);
+ goto error;
+ }
+ tmpl->fd =
+ mlx5_os_get_devx_channel_fd(tmpl->devx_channel);
+ }
+ }
+ if (mlx5_rxq_mprq_enabled(rxq_data))
+ cqe_n = wqe_n * (1 << rxq_data->strd_num_n) - 1;
+ else
+ cqe_n = wqe_n - 1;
+ DRV_LOG(DEBUG, "port %u device_attr.max_qp_wr is %d",
+ dev->data->port_id, priv->sh->device_attr.max_qp_wr);
+ DRV_LOG(DEBUG, "port %u device_attr.max_sge is %d",
+ dev->data->port_id, priv->sh->device_attr.max_sge);
+ if (tmpl->type == MLX5_RXQ_OBJ_TYPE_IBV) {
+ /* Create CQ using Verbs API. */
+ tmpl->ibv_cq = mlx5_ibv_cq_new(dev, priv, rxq_data, cqe_n,
+ tmpl);
+ if (!tmpl->ibv_cq) {
+ DRV_LOG(ERR, "port %u Rx queue %u CQ creation failure",
+ dev->data->port_id, idx);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ obj.cq.in = tmpl->ibv_cq;
+ obj.cq.out = &cq_info;
+ ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_CQ);
+ if (ret) {
+ rte_errno = ret;
+ goto error;
+ }
+ if (cq_info.cqe_size != RTE_CACHE_LINE_SIZE) {
+ DRV_LOG(ERR,
+ "port %u wrong MLX5_CQE_SIZE environment "
+ "variable value: it should be set to %u",
+ dev->data->port_id, RTE_CACHE_LINE_SIZE);
+ rte_errno = EINVAL;
+ goto error;
+ }
+ /* Fill the rings. */
+ rxq_data->cqe_n = log2above(cq_info.cqe_cnt);
+ rxq_data->cq_db = cq_info.dbrec;
+ rxq_data->cqes =
+ (volatile struct mlx5_cqe (*)[])(uintptr_t)cq_info.buf;
+ rxq_data->cq_uar = cq_info.cq_uar;
+ rxq_data->cqn = cq_info.cqn;
+ /* Create WQ (RQ) using Verbs API. */
+ tmpl->wq = mlx5_ibv_wq_new(dev, priv, rxq_data, idx, wqe_n,
+ tmpl);
+ if (!tmpl->wq) {
+ DRV_LOG(ERR, "port %u Rx queue %u WQ creation failure",
+ dev->data->port_id, idx);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ /* Change queue state to ready. */
+ mod = (struct ibv_wq_attr){
+ .attr_mask = IBV_WQ_ATTR_STATE,
+ .wq_state = IBV_WQS_RDY,
+ };
+ ret = mlx5_glue->modify_wq(tmpl->wq, &mod);
+ if (ret) {
+ DRV_LOG(ERR,
+ "port %u Rx queue %u WQ state to IBV_WQS_RDY"
+ " failed", dev->data->port_id, idx);
+ rte_errno = ret;
+ goto error;
+ }
+ obj.rwq.in = tmpl->wq;
+ obj.rwq.out = &rwq;
+ ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_RWQ);
+ if (ret) {
+ rte_errno = ret;
+ goto error;
+ }
+ rxq_data->wqes = rwq.buf;
+ rxq_data->rq_db = rwq.dbrec;
+ } else if (tmpl->type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
+ struct mlx5_devx_modify_rq_attr rq_attr = { 0 };
+ struct mlx5_devx_dbr_page *dbr_page;
+ int64_t dbr_offset;
+
+ /* Allocate CQ door-bell. */
+ dbr_offset = mlx5_get_dbr(priv->sh->ctx, &priv->dbrpgs,
+ &dbr_page);
+ if (dbr_offset < 0) {
+ DRV_LOG(ERR, "Failed to allocate CQ door-bell.");
+ goto error;
+ }
+ rxq_ctrl->cq_dbr_offset = dbr_offset;
+ rxq_ctrl->cq_dbr_umem_id = mlx5_os_get_umem_id(dbr_page->umem);
+ rxq_ctrl->cq_dbr_umem_id_valid = 1;
+ rxq_data->cq_db =
+ (uint32_t *)((uintptr_t)dbr_page->dbrs +
+ (uintptr_t)rxq_ctrl->cq_dbr_offset);
+ rxq_data->cq_uar =
+ mlx5_os_get_devx_uar_base_addr(priv->sh->devx_rx_uar);
+ /* Create CQ using DevX API. */
+ tmpl->devx_cq = mlx5_devx_cq_new(dev, cqe_n, idx, tmpl);
+ if (!tmpl->devx_cq) {
+ DRV_LOG(ERR, "Failed to create CQ.");
+ goto error;
+ }
+ /* Allocate RQ door-bell. */
+ dbr_offset = mlx5_get_dbr(priv->sh->ctx, &priv->dbrpgs,
+ &dbr_page);
+ if (dbr_offset < 0) {
+ DRV_LOG(ERR, "Failed to allocate RQ door-bell.");
+ goto error;
+ }
+ rxq_ctrl->rq_dbr_offset = dbr_offset;
+ rxq_ctrl->rq_dbr_umem_id = mlx5_os_get_umem_id(dbr_page->umem);
+ rxq_ctrl->rq_dbr_umem_id_valid = 1;
+ rxq_data->rq_db =
+ (uint32_t *)((uintptr_t)dbr_page->dbrs +
+ (uintptr_t)rxq_ctrl->rq_dbr_offset);
+ /* Create RQ using DevX API. */
+ tmpl->rq = mlx5_devx_rq_new(dev, idx, tmpl->devx_cq->id);
+ if (!tmpl->rq) {
+ DRV_LOG(ERR, "port %u Rx queue %u RQ creation failure",
+ dev->data->port_id, idx);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ /* Change queue state to ready. */
+ rq_attr.rq_state = MLX5_RQC_STATE_RST;
+ rq_attr.state = MLX5_RQC_STATE_RDY;
+ ret = mlx5_devx_cmd_modify_rq(tmpl->rq, &rq_attr);
+ if (ret)
+ goto error;
+ }
+ rxq_data->cq_arm_sn = 0;
+ mlx5_rxq_initialize(rxq_data);
+ rxq_data->cq_ci = 0;
+ DRV_LOG(DEBUG, "port %u rxq %u updated with %p", dev->data->port_id,
+ idx, (void *)&tmpl);
+ rte_atomic32_inc(&tmpl->refcnt);
+ LIST_INSERT_HEAD(&priv->rxqsobj, tmpl, next);
+ priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
+ dev->data->rx_queue_state[idx] = RTE_ETH_QUEUE_STATE_STARTED;
+ return tmpl;
+error:
+ if (tmpl) {
+ ret = rte_errno; /* Save rte_errno before cleanup. */
+ if (tmpl->type == MLX5_RXQ_OBJ_TYPE_IBV) {
+ if (tmpl->wq)
+ claim_zero(mlx5_glue->destroy_wq(tmpl->wq));
+ if (tmpl->ibv_cq)
+ claim_zero(mlx5_glue->destroy_cq(tmpl->ibv_cq));
+ if (tmpl->ibv_channel)
+ claim_zero(mlx5_glue->destroy_comp_channel
+ (tmpl->ibv_channel));
+ } else if (tmpl->type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
+ if (tmpl->rq)
+ claim_zero(mlx5_devx_cmd_destroy(tmpl->rq));
+ if (tmpl->devx_cq)
+ claim_zero(mlx5_devx_cmd_destroy
+ (tmpl->devx_cq));
+ if (tmpl->devx_channel)
+ mlx5_glue->devx_destroy_event_channel
+ (tmpl->devx_channel);
+ }
+ mlx5_free(tmpl);
+ rte_errno = ret; /* Restore rte_errno. */
+ }
+ if (type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
+ rxq_release_devx_rq_resources(rxq_ctrl);
+ rxq_release_devx_cq_resources(rxq_ctrl);
+ }
+ priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;
+ return NULL;