From: "Måns Rullgård" <mans@mansr.com>
To: Mason <slash.tmp@free.fr>
Cc: netdev <netdev@vger.kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
David Miller <davem@davemloft.net>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v2 0/2] nb8800 suspend/resume support
Date: Wed, 02 Aug 2017 17:10:06 +0100 [thread overview]
Message-ID: <yw1xk22mgdcx.fsf@mansr.com> (raw)
In-Reply-To: <6906dccf-bec9-0fc8-a34a-c39c05ada917@free.fr> (Mason's message of "Wed, 2 Aug 2017 18:07:52 +0200")
Mason <slash.tmp@free.fr> writes:
> On 02/08/2017 17:56, Måns Rullgård wrote:
>
>> Mason writes:
>>
>>> From my perspective, the older method does not work on newer chips :-)
>>
>> It does work on tango4.
>
> Agreed.
>
>> What does the tango5 do if you flood it with packets faster than the
>> kernel can keep up with? That would make it hit the end of the rx
>> chain, which is apparently what makes it miserable with the current dma
>> stop code.
>
> The simplest way to test this would be sending tiny packets
> as fast as possible, right? So ping -f on a GigE link should
> fit the bill?
ping -f is limited to 100 packets per second. Use something like iperf
in UDP mode instead.
--
Måns Rullgård
next prev parent reply other threads:[~2017-08-02 16:10 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-01 16:32 [RFC PATCH v2 0/2] nb8800 suspend/resume support Mason
2017-08-01 16:37 ` [RFC PATCH v2 1/2] net: ethernet: nb8800: Reset HW block in ndo_open Mason
2017-08-02 11:02 ` Måns Rullgård
2017-08-02 11:54 ` Mason
2017-08-02 13:54 ` Andrew Lunn
2017-08-02 14:33 ` Måns Rullgård
2017-08-01 16:43 ` [RFC PATCH v2 2/2] net: ethernet: nb8800: Add suspend/resume support Mason
2017-08-02 14:41 ` [RFC PATCH v2 0/2] nb8800 " Mason
2017-08-02 15:26 ` Mason
2017-08-02 15:36 ` Måns Rullgård
2017-08-02 15:52 ` Mason
2017-08-02 15:56 ` Måns Rullgård
2017-08-02 16:07 ` Mason
2017-08-02 16:10 ` Måns Rullgård [this message]
2017-08-02 16:19 ` David Laight
2017-08-02 16:39 ` Mason
2017-08-02 16:43 ` Måns Rullgård
2017-08-02 17:31 ` Mason
2017-08-02 20:02 ` Mason
2017-08-03 8:34 ` Mason
2017-08-03 12:19 ` Måns Rullgård
2017-08-03 12:18 ` Måns Rullgård
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