From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14F73C3F2CE for ; Wed, 4 Mar 2020 18:22:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB0032146E for ; Wed, 4 Mar 2020 18:22:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="ah17YP2Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730108AbgCDSWA (ORCPT ); Wed, 4 Mar 2020 13:22:00 -0500 Received: from mail-qk1-f196.google.com ([209.85.222.196]:42620 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730078AbgCDSWA (ORCPT ); Wed, 4 Mar 2020 13:22:00 -0500 Received: by mail-qk1-f196.google.com with SMTP id e11so2588972qkg.9 for ; Wed, 04 Mar 2020 10:21:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=4oBCo1SOwXr1MHZyhksSaHd9zEYq/LD2Cidf4MvMvtk=; b=ah17YP2ZRz8Z5ZJiT5PURtTdtHu5m3DhEhPufKjfoeeGt1Xf15/EIsa/HiH48dQOVJ dQqGG6XZSAz/IrXehxF4+aMfyhWk/R/T6gOWtZiRuj76iWyieW0m3dEgkpt4rCQtIeA8 I6CzPSGmjp5ll3wtaJ7BkBCvpRpLW7sp9yWOG/DY1zFOGfrbUF+nur0wB3C97yFRQMgl NH/COqlJ+zx5VPYKcfD6SRhwK0KnJd/BMdQmVU/iKbWK97BLwopS6a7gAiZAzle2ca2S K9f+J3g2/ytMVHg5VdUVtRy8oFhKSNZ+yz6fy1w1a5OdLHlt4KKDiddTuiMxNQ7ly48L qRYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=4oBCo1SOwXr1MHZyhksSaHd9zEYq/LD2Cidf4MvMvtk=; b=G2bPsGnpVwqRdzAJME1muBoL4He6BEgM6GKMvJMoqyutMazHth1AANgXeguJDDMUkR Uou2S8EMsfYLroETySacgBMiiquXEQ5M2cIgNtt6B8rXcUTsJom87+vA7vMvhzWfCx+L mV3OW1+HugP0ImiYDR/gctJdjs4Pq2aOjw8owrrSwGwbSjntoXmj13FGlkBweMVT/YkT f6S+VCjD3Yo4KMwtb3wovDLUNMDqeRjSsov7dU4qkqZdiDZA8VHeo8CZl0G4A92WCuSJ cWRpxxO8AGKzSpm4fLRgLd0iJy+mzqnwVJEjOS5nTqC3HtPvICFH5ez14bcWur+9M+ot nRlg== X-Gm-Message-State: ANhLgQ1oAr6LC/4b6mCutycCaD8pbbFFWQZIHUVOtRR/6hZh/rX49H8S u3r0UJALjCF496tNsBLs+8J2sg== X-Google-Smtp-Source: ADFU+vs32RdzFV8eb/4jy56VBTL8/Hz6qRZ9s6qoVbVHu+it6JpfWAF8fDvJkwq+ekesr0rJ9LgSKQ== X-Received: by 2002:a05:620a:1597:: with SMTP id d23mr4389203qkk.285.1583346118968; Wed, 04 Mar 2020 10:21:58 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id p14sm15064902qtk.50.2020.03.04.10.21.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 04 Mar 2020 10:21:58 -0800 (PST) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1j9Yec-0000FK-32; Wed, 04 Mar 2020 14:21:58 -0400 Date: Wed, 4 Mar 2020 14:21:58 -0400 From: Jason Gunthorpe To: Leon Romanovsky Cc: Doug Ledford , Parav Pandit , linux-rdma@vger.kernel.org Subject: Re: [PATCH rdma-next] IB/mlx5: Add np_min_time_between_cnps and rp_max_rate debug params Message-ID: <20200304182158.GA916@ziepe.ca> References: <20200227125246.99472-1-leon@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200227125246.99472-1-leon@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Thu, Feb 27, 2020 at 02:52:46PM +0200, Leon Romanovsky wrote: > From: Parav Pandit > > Add two debugfs parameters described below. > > np_min_time_between_cnps - Minimum time between sending CNPs from the > port. > Unit = microseconds. > Default = 0 (no min wait time; generated > based on incoming ECN marked packets). > > rp_max_rate - Maximum rate at which reaction point node can transmit. > Once this limit is reached, RP is no longer rate limited. > Unit = Mbits/sec > Default = 0 (full speed) > > Signed-off-by: Parav Pandit > Signed-off-by: Leon Romanovsky > --- > drivers/infiniband/hw/mlx5/cong.c | 20 ++++++++++++++++++++ > drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 ++ > 2 files changed, 22 insertions(+) Applied to for-next, thanks Jason