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From Rafael Fonseca <rsafons...@gmail.com>
Subject Re: LRO vs IXGBE 10G NIC drivers...KVM problem
Date Wed, 03 Jun 2015 22:22:34 GMT
Hi Andrija,

I guess you're running 3.23.2.1 driver?
If so, try going to the source dir and run:

sed -i -e '/#include <linux\/if_vlan.h>/a #define IXGBE_NO_LRO'
src/kcompat.h

recompile & test
give feedback :)

Good luck,
Rafael

On Wed, Jun 3, 2015 at 11:18 PM, Andrija Panic <andrija.panic@gmail.com>
wrote:

> Hi team,
>
> I'm wondering if anyone experienced similar issue with 10G intel
> NICs/driver/Ubuntu 14.04 stock kernel:
>
> 2 x 10G Intel NIC,--> LACP bond -->, vlans--> bridges with vlan interface
> as member...
> (Ixgbe driver 4.0.3, latest, from Intel website, compiled withOUT LRO
> support - since LRO breaks routing/bridging etc...), Ubuntu 14.04.02 with
> stock kernel 3.16.0-37
>
> Still, if I dont explicitely turn off LRO via  "ethtool -K eth2/eth3 lro
> off ", I can not download anything from VM, that is behind the VR... VM can
> ping internetl through VR, but no TCP traffic works (i.e. downlaod ISO or
> similar). VR can normally download file (for whatever reason)...
>
> "ethtool -S eth2 | grep lro" should return nothing, if the driver was
> compiled withOUT  LRO support - and it's true in my case...although from
> "ethtool -k eth2" it shows that LRO is enabled...
>
> THx for any feedback...
> --
>
> Andrija Panić
>

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