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From: Kyle Larose <eomereadig@gmail.com>
To: "Van Haaren, Harry" <harry.van.haaren@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] IXGBE error statistics
Date: Mon, 21 Sep 2015 10:17:02 -0400	[thread overview]
Message-ID: <CAMFWN9nND+jeFFUvyBqxHOofVRZRJeHgrw1d8S7vtXAJuK5R3w@mail.gmail.com> (raw)
In-Reply-To: <E923DB57A917B54B9182A2E928D00FA612811C1E@IRSMSX102.ger.corp.intel.com>

On Mon, Sep 21, 2015 at 9:45 AM, Van Haaren, Harry
<harry.van.haaren@intel.com> wrote:
>> From: Igor Ryzhov [mailto:iryzhov@arccn.ru]
>> Thank you, I'll wait for result of mspdc testing.
>
> Hi Igor,
>
> Regarding your original question:
> The datasheet says that a packet with total size < 32 bytes is
> discarded by MAC layer and counted in the mspdc register.
>
> If possible, I would like to add a test for this type of packet when
> testing the accuracy of xstats. I've tried using a packet generator
> (48 bytes seems the smallest it is willing to generate for me), and
> using another NIC won't work, as smaller packets are padded to
> 64 bytes on TX.
>
> Do you have a method of reproducing this < 32 byte mspdc error packet?
> -Harry

Can you disable the MAC padding on the NIC through a backdoor register access?

  parent reply	other threads:[~2015-09-21 14:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-17 21:23 Igor Ryzhov
2015-09-18  8:04 ` Van Haaren, Harry
2015-09-18 12:03   ` Igor Ryzhov
2015-09-21 13:45     ` Van Haaren, Harry
2015-09-21 14:09       ` Igor Ryzhov
2015-09-21 14:17       ` Kyle Larose [this message]
2015-09-21 14:22         ` Van Haaren, Harry
2015-10-27 10:26           ` Van Haaren, Harry

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