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: <6383D812-919A-45FC-9A30-2409D805843E@amazon.com>
Date:   Tue, 9 Oct 2018 19:33:36 +0000
From:   "Bshara, Nafea" <nafea@...zon.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>,
        "Kiyanovski, Arthur" <akiyano@...zon.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Woodhouse, David" <dwmw@...zon.co.uk>,
        "Machulsky, Zorik" <zorik@...zon.com>,
        "Matushevsky, Alexander" <matua@...zon.com>,
        "Bshara, Saeed" <saeedb@...zon.com>,
        "Wilson, Matt" <msw@...zon.com>,
        "Liguori, Anthony" <aliguori@...zon.com>,
        "Tzalik, Guy" <gtzalik@...zon.com>,
        "Belgazal, Netanel" <netanel@...zon.com>,
        "Saidi, Ali" <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

It is high priority for us right after this major release get merged.

On 10/9/18, 12:31 PM, "Jesper Dangaard Brouer" <brouer@...hat.com> wrote:

    
    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