netdev - Re: [RFC PATCH v2 0/2] nb8800 suspend/resume support

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Message-ID: <yw1xy3r0g7xe.fsf@mansr.com>
Date:   Thu, 03 Aug 2017 13:19:41 +0100
From:   Måns Rullgård <mans@...sr.com>
To:     Mason <slash.tmp@...e.fr>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC PATCH v2 0/2] nb8800 suspend/resume support

Mason <slash.tmp@...e.fr> writes:

> IIUC, sender (desktop system) sends datagrams as fast as possible.
> Receiver (tango board) drops around 24% of all datagrams.
> I think this invalidates the theory that exhausting RX descriptors
> wedges RX DMA.

No, it doesn't.  The bottleneck causing packet loss could be somewhere
else.

-- 
Måns Rullgård