From patchwork Wed Jan 8 16:16:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slava Ovsiienko X-Patchwork-Id: 64296 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7535AA04F3; Wed, 8 Jan 2020 17:16:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C16701DAC8; Wed, 8 Jan 2020 17:16:29 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id A60241DAC8 for ; Wed, 8 Jan 2020 17:16:28 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from viacheslavo@mellanox.com) with ESMTPS (AES256-SHA encrypted); 8 Jan 2020 18:16:26 +0200 Received: from pegasus11.mtr.labs.mlnx (pegasus11.mtr.labs.mlnx [10.210.16.104]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 008GGQuc000812; Wed, 8 Jan 2020 18:16:26 +0200 Received: from pegasus11.mtr.labs.mlnx (localhost [127.0.0.1]) by pegasus11.mtr.labs.mlnx (8.14.7/8.14.7) with ESMTP id 008GGQIn020238; Wed, 8 Jan 2020 16:16:26 GMT Received: (from viacheslavo@localhost) by pegasus11.mtr.labs.mlnx (8.14.7/8.14.7/Submit) id 008GGQTj020237; Wed, 8 Jan 2020 16:16:26 GMT X-Authentication-Warning: pegasus11.mtr.labs.mlnx: viacheslavo set sender to viacheslavo@mellanox.com using -f From: Viacheslav Ovsiienko To: dev@dpdk.org Cc: matan@mellanox.com, rasland@mellanox.com, orika@mellanox.com Date: Wed, 8 Jan 2020 16:16:00 +0000 Message-Id: <1578500161-20156-4-git-send-email-viacheslavo@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1578500161-20156-1-git-send-email-viacheslavo@mellanox.com> References: <1578500161-20156-1-git-send-email-viacheslavo@mellanox.com> Subject: [dpdk-dev] [PATCH 3/4] net/mlx5: add free on completion queue X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The new software manged entity is introduced in Tx datapath - free on completion queue. This queue keeps the information how many buffers stored in elts array must freed on send comletion. Each element of the queue contains transmitting descriptor index to be in synch with completion entries (in debug build only) and the index in elts array to free buffers. Signed-off-by: Viacheslav Ovsiienko Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5_rxtx.h | 5 +++++ drivers/net/mlx5/mlx5_txq.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h index 8a2185a..ee1895b 100644 --- a/drivers/net/mlx5/mlx5_rxtx.h +++ b/drivers/net/mlx5/mlx5_rxtx.h @@ -297,6 +297,11 @@ struct mlx5_txq_data { struct mlx5_mr_ctrl mr_ctrl; /* MR control descriptor. */ struct mlx5_wqe *wqes; /* Work queue. */ struct mlx5_wqe *wqes_end; /* Work queue array limit. */ +#ifdef NDEBUG + uint32_t *fcqs; /* Free completion queue. */ +#else + uint32_t *fcqs; /* Free completion queue (debug extended). */ +#endif volatile struct mlx5_cqe *cqes; /* Completion queue. */ volatile uint32_t *qp_db; /* Work queue doorbell. */ volatile uint32_t *cq_db; /* Completion queue doorbell. */ diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c index abe0947..5e6a605 100644 --- a/drivers/net/mlx5/mlx5_txq.c +++ b/drivers/net/mlx5/mlx5_txq.c @@ -724,6 +724,19 @@ struct mlx5_txq_obj * txq_data->wqe_pi = 0; txq_data->wqe_comp = 0; txq_data->wqe_thres = txq_data->wqe_s / MLX5_TX_COMP_THRESH_INLINE_DIV; + txq_data->fcqs = rte_calloc_socket(__func__, + txq_data->cqe_s, + sizeof(*txq_data->fcqs), + RTE_CACHE_LINE_SIZE, + txq_ctrl->socket); + if (!txq_data->fcqs) { + DRV_LOG(ERR, "port %u Tx queue %u cannot allocate memory (FCQ)", + dev->data->port_id, idx); + rte_errno = ENOMEM; + goto error; + } + txq_data->fcq_head = 0; + txq_data->fcq_tail = 0; #ifdef HAVE_IBV_FLOW_DV_SUPPORT /* * If using DevX need to query and store TIS transport domain value. @@ -772,6 +785,8 @@ struct mlx5_txq_obj * claim_zero(mlx5_glue->destroy_cq(tmpl.cq)); if (tmpl.qp) claim_zero(mlx5_glue->destroy_qp(tmpl.qp)); + if (txq_data && txq_data->fcqs) + rte_free(txq_data->fcqs); if (txq_obj) rte_free(txq_obj); priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE; @@ -826,6 +841,8 @@ struct mlx5_txq_obj * } else { claim_zero(mlx5_glue->destroy_qp(txq_obj->qp)); claim_zero(mlx5_glue->destroy_cq(txq_obj->cq)); + if (txq_obj->txq_ctrl->txq.fcqs) + rte_free(txq_obj->txq_ctrl->txq.fcqs); } LIST_REMOVE(txq_obj, next); rte_free(txq_obj);