From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: [PATCH V1 net-next 00/12] Improving performance and reducing
 latencies, by using latest capabilities exposed in ENA device
Date: Tue, 9 Oct 2018 21:30:17 +0200
Message-ID: <20181009213017.653ed630@redhat.com>
References: <1539110709-31954-1-git-send-email-akiyano@amazon.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: brouer@redhat.com, <davem@davemloft.net>, <netdev@vger.kernel.org>,
        David Woodhouse <dwmw@amazon.com>, <zorik@amazon.com>,
        <matua@amazon.com>, <saeedb@amazon.com>, <msw@amazon.com>,
        <aliguori@amazon.com>, <nafea@amazon.com>, <gtzalik@amazon.com>,
        <netanel@amazon.com>, <alisaidi@amazon.com>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn.topel@intel.com>
To: <akiyano@amazon.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from mx1.redhat.com ([209.132.183.28]:58222 "EHLO mx1.redhat.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1726607AbeJJCs5 (ORCPT <rfc822;netdev@vger.kernel.org>);
        Tue, 9 Oct 2018 22:48:57 -0400
In-Reply-To: <1539110709-31954-1-git-send-email-akiyano@amazon.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>


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

> From: Arthur Kiyanovski <akiyano@amazon.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