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Date: Thu, 30 Oct 2014 11:09:57 +0000
From: Bruce Richardson <bruce.richardson@intel.com>
To: Alex Markuze <alex@weka.io>
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] segmented recv ixgbevf
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On Thu, Oct 30, 2014 at 12:23:09PM +0200, Alex Markuze wrote:
> Hi,
> I'm seeing an unwanted behaviour in the receive flow of ixgbevf. While
> using Jumbo frames and sending 4k+ bytes , the receive side breaks up the
> packets into 2K buffers, and I receive 3 mbuffs per packet.
> 
> Im setting the .max_rx_pkt_len to 4.5K and the mempoll has 5K sized
> elements?
> 
> Anything else I'm missing here. The purpose is to have all 4k+ bytes in one
> single continuous buffer.
>

That should be working, I think. 
Does it work with the plain ixgbe driver on the host? 
Is there anything in the output of the driver initialization saying something like "forcing scatter mode"?