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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ramkrishna Vepa <Ramkrishna.Vepa@neterion.com>
Cc: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>,
	davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [net-next-2.6 PATCH 6/9] vxge: Check if FCS stripping is disabled by the firmware.
Date: Tue, 06 Oct 2009 08:47:35 +0200	[thread overview]
Message-ID: <4ACAE807.4030708@gmail.com> (raw)
In-Reply-To: <78C9135A3D2ECE4B8162EBDCE82CAD7705C16350@nekter>

Ramkrishna Vepa a écrit :
> [Ram] The minimum frame size that can be received by the hardware is 57
> Bytes. A 64 Byte Ethernet frame with the vlan tag and fcs stripped will
> result in a 56 Byte frame which will lock up the receive engine. The
> work around is to disable fcs stripping in the hardware which is a
> privileged operation done with a firmware version that the driver checks
> for currently.

Thanks for the info, this could be added in Changelog or some comment, as it
might help to diagnose similar problems elsewhere :)

  reply	other threads:[~2009-10-06  6:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-05 11:56 [net-next-2.6 PATCH 6/9] vxge: Check if FCS stripping is disabled by the firmware Sreenivasa Honnur
2009-10-05 13:04 ` Eric Dumazet
2009-10-05 16:44   ` Ben Greear
2009-10-06  6:41   ` Ramkrishna Vepa
2009-10-06  6:47     ` Eric Dumazet [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-10-05  9:11 Sreenivasa Honnur

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