netdev - Re: [PATCH V1 net-next 00/12] Improving performance and reducing latencies, by using latest capabilities exposed in ENA device

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Message-ID: <20181009213017.653ed630@redhat.com>
Date:   Tue, 9 Oct 2018 21:30:17 +0200
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     <akiyano@...zon.com>
Cc:     brouer@...hat.com, <davem@...emloft.net>, <netdev@...r.kernel.org>,
        David Woodhouse <dwmw@...zon.com>, <zorik@...zon.com>,
        <matua@...zon.com>, <saeedb@...zon.com>, <msw@...zon.com>,
        <aliguori@...zon.com>, <nafea@...zon.com>, <gtzalik@...zon.com>,
        <netanel@...zon.com>, <alisaidi@...zon.com>,
        Björn Töpel <bjorn.topel@...el.com>
Subject: Re: [PATCH V1 net-next 00/12] Improving performance and reducing
 latencies, by using latest capabilities exposed in ENA device


On Tue, 9 Oct 2018 21:44:57 +0300 <akiyano@...zon.com> wrote:

> From: Arthur Kiyanovski <akiyano@...zon.com>
> 
> This patchset introduces the following:
> 1. A new placement policy of Tx headers and descriptors, which takes
> advantage of an option to place headers + descriptors in device memory
> space. This is sometimes referred to as LLQ - low latency queue.
> The patch set defines the admin capability, maps the device memory as
> write-combined, and adds a mode in transmit datapath to do header +
> descriptor placement on the device.
> 2. Support for RX checksum offloading
> 3. Miscelaneous small improvements and code cleanups

What are your plans for XDP?

You are unsure ask your-colleague David Woodhouse, who I've discussed
this with when he attended my talk at Kernel-Recipes[1], slide[2].

[1] https://kernel-recipes.org/en/2018/talks/xdp-a-new-programmable-network-layer/
[2] http://people.netfilter.org/hawk/presentations/KernelRecipes2018/XDP_Kernel_Recipes_2018.pdf
-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer