netdev - Re: Difficulties to get 1Gbps on be2net ethernet card

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Date:	Thu, 07 Jun 2012 14:31:29 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jean-Michel Hautbois <jhautbois@...il.com>
Cc:	Sathya.Perla@...lex.com, netdev@...r.kernel.org
Subject: Re: Difficulties to get 1Gbps on be2net ethernet card

On Thu, 2012-06-07 at 14:27 +0200, Jean-Michel Hautbois wrote:

> I made some tests, and I didn't mention it : I am using the bonding
> driver over my ethernet drivers (be2net/mlx4 etc.).
> When I am using bonding, I need a big txqeuelen in order to send 2.4Gbps.
> When I disable bonding, and use directly the NIC then I don't see any
> drops in qdisc and it works well.
> So, I think there is something between 2.6.26 and 3.0 in the bonding
> driver which causes this issue.
> 

What your bond configuration looks like ?

cat /proc/net/bonding/bond0
ifconfig -a
tc -s -d qdisc



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