netdev - Re: qmgr for ixp4xx

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Date:	Wed, 10 Dec 2008 09:48:20 +0100
From:	"Miguel Ángel Álvarez" <gotzoncabanes@...il.com>
To:	"Christian Hohnstaedt" <christian@...nstaedt.de>
Cc:	"Krzysztof Halasa" <khc@...waw.pl>, netdev@...r.kernel.org
Subject: Re: qmgr for ixp4xx

Hi

On Tue, Dec 9, 2008 at 5:44 PM, Christian Hohnstaedt
<christian@...nstaedt.de> wrote:
> On Fri, Dec 05, 2008 at 07:29:36PM +0100, Krzysztof Halasa wrote:
>> "Miguel ?ngel ?lvarez" <gotzoncabanes@...il.com> writes:
>>
>> > I will check for the 64-queue support patch (thanks Karl). However, if
>> > I am not sure they are required. I mean...
>> > - HSS0 uses queues 12-22.
>> > - HSS1 uses queues 0-10.
>> > - That leaves us 10 queues free, doesn't it? Couldn't we use queue 11
>> > for eth txreadyq, 23-26 for HSS0 txreadyq, 27-30 for HSS1 txreadyq and
>> > 31 for crypto code (which I do not know?)
>>
>> Ethernet needs 3 queues per port + 1 (465 CPUs can have 3 Ethernet
>> ports), the crypto code probably needs several ones.
>
> Crypto needs 2 queues: 29 and 30.
> The numbers are fixed in the microcode, I think.
>
Thanks for the info, Christian.

Miguel Ángel Álvarez
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