From patchwork Thu Sep 30 08:02:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 12527671 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17D4AC433FE for ; Thu, 30 Sep 2021 08:04:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0418D615E0 for ; Thu, 30 Sep 2021 08:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348886AbhI3IGX (ORCPT ); Thu, 30 Sep 2021 04:06:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:32962 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348971AbhI3IE5 (ORCPT ); Thu, 30 Sep 2021 04:04:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2456961555; Thu, 30 Sep 2021 08:03:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632988992; bh=ZXsgui6K1v26MR0Wplsym8mCWKz8YQMR5/E84DamG+M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m28FTE4T3JQv2Q+HbIHX/peahaqqwxX2uGk2mnwU80D/9IhRvgR63Gd3Tke0kVDyQ x+1Rx2m3kfp6fbWdNQyfSkjVy7MjavyLIdXdEqWP2jQhtPJB9GPK4fIg1y7/w1o3wz frCKdWDEqe214wfmY3V+dgbjOTW7S80AHinLOfiI4hWBNCLhWliKMpXSMt6gOxLig8 HijqyXR4Fx4V3FDU53AjdeZDNrtHWWXBZ1jcgzjYMSNE02czpzyX+IOQ57rqu4LLNm glfI78qRVwWIQLm0jR1JuyWYYR36hhS6caTRsU6zw2EL2NGJA0D3UDC0PStSxt/wNN ILrKsQxvAxpEA== From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Aharon Landau , "David S. Miller" , Dennis Dalessandro , Gal Pressman , Jakub Kicinski , linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Maor Gottlieb , Mark Zhang , Mike Marciniszyn , Mustafa Ismail , Naresh Kumar PBS , Neta Ostrovsky , netdev@vger.kernel.org, Potnuri Bharat Teja , Saeed Mahameed , Selvin Xavier , Shiraz Saleem , Yishai Hadas , Zhu Yanjun Subject: [PATCH rdma-next v2 12/13] RDMA/mlx5: Add optional counter support in get_hw_stats callback Date: Thu, 30 Sep 2021 11:02:28 +0300 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Aharon Landau When get_hw_stats is called, query and return the optional counter statistic as well. Signed-off-by: Aharon Landau Reviewed-by: Mark Zhang Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/counters.c | 88 ++++++++++++++++++++++++++- 1 file changed, 85 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/counters.c b/drivers/infiniband/hw/mlx5/counters.c index 787cd4c73f35..206c190d0ce4 100644 --- a/drivers/infiniband/hw/mlx5/counters.c +++ b/drivers/infiniband/hw/mlx5/counters.c @@ -270,9 +270,9 @@ static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev, return ret; } -static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, - struct rdma_hw_stats *stats, - u32 port_num, int index) +static int do_get_hw_stats(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u32 port_num, int index) { struct mlx5_ib_dev *dev = to_mdev(ibdev); const struct mlx5_ib_counters *cnts = get_counters(dev, port_num - 1); @@ -324,6 +324,88 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, return num_counters; } +static int do_get_op_stat(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u32 port_num, int index) +{ + struct mlx5_ib_dev *dev = to_mdev(ibdev); + const struct mlx5_ib_counters *cnts; + const struct mlx5_ib_op_fc *opfcs; + u64 packets = 0, bytes; + u32 type; + int ret; + + cnts = get_counters(dev, port_num - 1); + opfcs = cnts->opfcs; + type = *(u32 *)cnts->descs[index].priv; + if (type >= MLX5_IB_OPCOUNTER_MAX) + return -EINVAL; + + if (!opfcs[type].fc) + goto out; + + ret = mlx5_fc_query(dev->mdev, opfcs[type].fc, + &packets, &bytes); + if (ret) + return ret; + +out: + stats->value[index] = packets; + return index; +} + +static int do_get_op_stats(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u32 port_num) +{ + struct mlx5_ib_dev *dev = to_mdev(ibdev); + const struct mlx5_ib_counters *cnts; + int index, ret, num_hw_counters; + + cnts = get_counters(dev, port_num - 1); + num_hw_counters = cnts->num_q_counters + cnts->num_cong_counters + + cnts->num_ext_ppcnt_counters; + for (index = num_hw_counters; + index < num_hw_counters + cnts->num_op_counters; index++) { + ret = do_get_op_stat(ibdev, stats, port_num, index); + if (ret != index) + return ret; + } + + return cnts->num_op_counters; +} + +static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u32 port_num, int index) +{ + int num_counters, num_hw_counters, num_op_counters; + struct mlx5_ib_dev *dev = to_mdev(ibdev); + const struct mlx5_ib_counters *cnts; + + cnts = get_counters(dev, port_num - 1); + num_hw_counters = cnts->num_q_counters + cnts->num_cong_counters + + cnts->num_ext_ppcnt_counters; + num_counters = num_hw_counters + cnts->num_op_counters; + + if ((index < 0) || (index > num_counters)) + return -EINVAL; + else if ((index > 0) && (index < num_hw_counters)) + return do_get_hw_stats(ibdev, stats, port_num, index); + else if ((index >= num_hw_counters) && (index < num_counters)) + return do_get_op_stat(ibdev, stats, port_num, index); + + num_hw_counters = do_get_hw_stats(ibdev, stats, port_num, index); + if (num_hw_counters < 0) + return num_hw_counters; + + num_op_counters = do_get_op_stats(ibdev, stats, port_num); + if (num_op_counters < 0) + return num_op_counters; + + return num_hw_counters + num_op_counters; +} + static struct rdma_hw_stats * mlx5_ib_counter_alloc_stats(struct rdma_counter *counter) {