From: Andi Kleen <andi@firstfloor.org>
To: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Cc: netdev@vger.kernel.org, jeff@garzik.org, support@neterion.com
Subject: Re: [PATCH 2.6.25 1/1]S2io: Multiqueue network device support implementation
Date: 23 Jan 2008 11:58:14 +0100 [thread overview]
Message-ID: <p73odbclsft.fsf@crumb.suse.de> (raw)
In-Reply-To: <Pine.GSO.4.10.10801221942530.24414-100000@guinness>
Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com> writes:
> Multiqueue netwrok device support implementation.
> - Added a loadable parameter "multiq" to enable/disable multiqueue support,
> by default it is disabled.
> - skb->queue_mapping is not used for queue/fifo selection. FIFO iselection is
> based on IP-TOS value, 0x0-0xF TOS values are mapped to 8 FIFOs.
Standard way to use that would be using skb->priority
But I'm surprised you bother with TOS for multi queues at all. TOS
isn't a too important mechanism.
I would have thought the primary use case would be per CPU TX completion
interrupts. With that the queue should be selected based on
the the current CPU.
-Andi
next prev parent reply other threads:[~2008-01-23 10:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-23 0:45 [PATCH 2.6.25 1/1]S2io: Multiqueue network device support implementation Sreenivasa Honnur
2008-01-23 0:55 ` Jeff Garzik
2008-01-23 10:58 ` Andi Kleen [this message]
2008-01-23 20:48 ` Ramkrishna Vepa
2008-01-24 7:25 ` Andi Kleen
2008-01-24 7:30 ` David Miller
2008-01-25 3:19 ` Ramkrishna Vepa
2008-01-25 3:19 ` Ramkrishna Vepa
-- strict thread matches above, loose matches on Subject: below --
2007-12-26 23:33 Sreenivasa Honnur
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