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Message-ID: <20190301142807.GK29992@unicorn.suse.cz>
Date: Fri, 1 Mar 2019 15:28:07 +0100
From: Michal Kubecek <mkubecek@...e.cz>
To: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc: linville@...driver.com,
Nicholas Nunley <nicholas.d.nunley@...el.com>,
netdev@...r.kernel.org
Subject: Re: [PATCH v3 5/6] ethtool: support per-queue sub command --coalesce
On Fri, Mar 01, 2019 at 12:15:31AM -0800, Jeff Kirsher wrote:
> From: Nicholas Nunley <nicholas.d.nunley@...el.com>
>
> This patch adds the ability to configure the coalesce settings from
> do_scoalesce on a per-queue basis.
>
> For each masked queue the current settings are read, modified, and written
> back to the kernel.
>
> Example:
>
> $ sudo ./ethtool --per-queue eth5 queue_mask 0x1 --coalesce
> rx-usecs 10 tx-usecs 5
> $ sudo ./ethtool --per-queue eth5 queue_mask 0x1 --show-coalesce
>
> Queue: 0
> Adaptive RX: on TX: on
> stats-block-usecs: 0
> sample-interval: 0
> pkt-rate-low: 0
> pkt-rate-high: 0
>
> rx-usecs: 10
> rx-frames: 0
> rx-usecs-irq: 0
> rx-frames-irq: 256
>
> tx-usecs: 5
> tx-frames: 0
> tx-usecs-irq: 0
> tx-frames-irq: 256
>
> rx-usecs-low: 0
> rx-frame-low: 0
> tx-usecs-low: 0
> tx-frame-low: 0
>
> rx-usecs-high: 0
> rx-frame-high: 0
> tx-usecs-high: 0
> tx-frame-high: 0
>
> Based on patch by Kan Liang <kan.liang@...el.com>
>
> Signed-off-by: Nicholas Nunley <nicholas.d.nunley@...el.com>
Reviewed-by: Michal Kubecek <mkubecek@...e.cz>
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