netdev - Re: [PATCH net] Revert "net: sctp: Fix a_rwnd/rwnd management to reflect real state of the receiver's buffer"

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Date:	Tue, 15 Apr 2014 08:43:47 +0200
From:	Alexander Sverdlin <alexander.sverdlin@....com>
To:	ext Daniel Borkmann <dborkman@...hat.com>, davem@...emloft.net
CC:	netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
	Matija Glavinic Pecotic <matija.glavinic-pecotic.ext@....com>,
	Vlad Yasevich <vyasevich@...il.com>
Subject: Re: [PATCH net] Revert "net: sctp: Fix a_rwnd/rwnd management to
 reflect real state of the receiver's buffer"

Hello Daniel,

On 14/04/14 21:45, ext Daniel Borkmann wrote:
> This reverts commit ef2820a735f7 ("net: sctp: Fix a_rwnd/rwnd management
> to reflect real state of the receiver's buffer") as it introduced a
> serious performance regression on SCTP over IPv4 and IPv6, though a not
> as dramatic on the latter. Measurements are on 10Gbit/s with ixgbe NICs.

Could you please share other HW details? I wonder how much CPU power one needs for such a throughput?

-- 
Best regards,
Alexander Sverdlin.
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