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Subject: Re: decent 40G network adapters
To: freebsd-net@FreeBSD.org, Meny Yossefi <menyy@mellanox.com>
References: <587F39E3.1060608@norma.perm.ru>
 <59b43877-5194-20bc-27b5-486f7f449cf7@selasky.org>
From: "Eugene M. Zheganin" <emz@norma.perm.ru>
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Date: Wed, 18 Jan 2017 15:02:46 +0500
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Hi.

On 18.01.2017 14:51, Hans Petter Selasky wrote:
> On 01/18/17 10:48, Eugene M. Zheganin wrote:
>> Hi.
>>
>> Could someone recommend a decent 40Gbit adapter that are proven to be
>> working under FreeBSD ? The intended purpose - iSCSI traffic, not much
>> pps, but rates definitely above 10G. I've tried Supermicro-manufactured
>> Intel XL710 ones (two boards, different servers - same sad story:
>> packets loss, server unresponsive, spikes), seems like they have a
>> problem in a driver (or firmware), and though Intel support states this
>> is because the Supermicro tampered with the adapter, I'm still
>> suspicious about ixl(4). I've also seen in the ML a guy reported the
>> exact same problem with ixl(4) as I have found.
>>
>> So, what would you say ? Chelsio ?
>>
>
> Hi,
>
> I think also the Mellanox, mlx4 and mlx5 drivers will support this.
> Are you using infiniband or TCP for backend?
>
>
Thanks. I'm using TCP.

Eugene.