linux-kernel - Re: [PATCH net-next 0/4] mvpp2: XDP support

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Date:   Wed, 1 Jul 2020 21:18:30 +0200
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     Matteo Croce <mcroce@...ux.microsoft.com>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, Sven Auhagen <sven.auhagen@...eatech.de>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Stefan Chulski <stefanc@...vell.com>,
        Marcin Wojtas <mw@...ihalf.com>, maxime.chevallier@...tlin.com,
        antoine.tenart@...tlin.com, thomas.petazzoni@...tlin.com,
        brouer@...hat.com
Subject: Re: [PATCH net-next 0/4] mvpp2: XDP support

Hey Ilias,

Could you please review this driver mvpp2 for XDP and page_pool usage?


On Tue, 30 Jun 2020 20:09:26 +0200
Matteo Croce <mcroce@...ux.microsoft.com> wrote:

> From: Matteo Croce <mcroce@...rosoft.com>
> 
> Add XDP support to mvpp2. This series converts the driver to the
> page_pool API for RX buffer management, and adds native XDP support.
> 
> These are the performance numbers, as measured by Sven:
> 
> SKB fwd page pool:
> Rx bps     390.38 Mbps
> Rx pps     762.46 Kpps
> 
> XDP fwd:
> Rx bps     1.39 Gbps
> Rx pps     2.72 Mpps
> 
> XDP Drop:
> eth0: 12.9 Mpps
> eth1: 4.1 Mpps
> 
> Matteo Croce (4):
>   mvpp2: refactor BM pool init percpu code
>   mvpp2: use page_pool allocator
>   mvpp2: add basic XDP support
>   mvpp2: XDP TX support
> 
>  drivers/net/ethernet/marvell/Kconfig          |   1 +
>  drivers/net/ethernet/marvell/mvpp2/mvpp2.h    |  49 +-
>  .../net/ethernet/marvell/mvpp2/mvpp2_main.c   | 600 ++++++++++++++++--
>  3 files changed, 588 insertions(+), 62 deletions(-)
> 

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer