From: Stephen Hemminger <shemminger@vyatta.com>
To: Changli Gao <xiaosuo@gmail.com>
Cc: David Miller <davem@davemloft.net>,
kaber@trash.net, eric.dumazet@gmail.com, therbert@google.com,
netdev@vger.kernel.org
Subject: Re: [PATCH] ifb: add multi-queue support
Date: Mon, 16 Nov 2009 22:02:47 -0800 [thread overview]
Message-ID: <20091116220247.564fb0b6@nehalam> (raw)
In-Reply-To: <412e6f7f0911162138k6537afd1l5f8eeeaa6c636289@mail.gmail.com>
On Tue, 17 Nov 2009 13:38:29 +0800
Changli Gao <xiaosuo@gmail.com> wrote:
> On Tue, Nov 17, 2009 at 11:10 AM, David Miller <davem@davemloft.net> wrote:
> > From: Stephen Hemminger <shemminger@vyatta.com>
> > Date: Mon, 16 Nov 2009 08:39:05 -0800
> >
> >> My $.02 is that receive packet steering RPS should be done generically at
> >> receive layer. Then all the CPU, mapping and configuration issues can be
> >> done once, not just for IFB, Bridge, VLAN, ... The number of users of IFB
> >> is small, and setup is complex. Steering packets in IFB is optimizing only
> >> a rarely used corner.
> >>
> >> Layered link services like IFB need to be multi-threaded lockless to maintain
> >> the advantages of multi-queue and RPS.
> >
> > You're probably right.
> >
>
> So I have to wait RPS, and after it gets merged, I'll back with
> multi-threaded lockless IFB.
Please don't wait... Help, test it make sure it works.
next prev parent reply other threads:[~2009-11-17 6:02 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 9:51 [PATCH] ifb: add multi-queue support Changli Gao
2009-11-11 9:56 ` Changli Gao
2009-11-11 10:30 ` Eric Dumazet
2009-11-11 10:57 ` Changli Gao
2009-11-11 15:59 ` Patrick McHardy
2009-11-12 3:12 ` Changli Gao
2009-11-12 8:52 ` Jarek Poplawski
2009-11-12 9:32 ` Changli Gao
2009-11-12 15:10 ` Patrick McHardy
2009-11-13 1:28 ` Changli Gao
2009-11-12 9:44 ` Changli Gao
2009-11-12 9:48 ` Changli Gao
2009-11-12 15:11 ` Patrick McHardy
2009-11-13 1:32 ` Changli Gao
2009-11-13 7:18 ` Patrick McHardy
2009-11-12 12:48 ` Eric Dumazet
2009-11-13 1:26 ` Changli Gao
2009-11-13 5:56 ` Eric Dumazet
2009-11-13 6:16 ` Changli Gao
2009-11-13 7:45 ` Jarek Poplawski
2009-11-13 8:54 ` Changli Gao
2009-11-13 9:18 ` Jarek Poplawski
2009-11-13 9:38 ` Changli Gao
2009-11-13 9:57 ` Jarek Poplawski
2009-11-13 11:25 ` Changli Gao
2009-11-13 12:32 ` Jarek Poplawski
2009-11-13 13:10 ` Eric Dumazet
2009-11-13 16:15 ` Stephen Hemminger
2009-11-13 23:28 ` Changli Gao
2009-11-13 23:32 ` Stephen Hemminger
2009-11-13 23:42 ` Changli Gao
2009-11-14 12:53 ` Eric Dumazet
2009-11-14 13:30 ` Changli Gao
2009-11-13 13:55 ` Eric Dumazet
2009-11-13 4:37 ` Changli Gao
2009-11-16 16:39 ` Stephen Hemminger
2009-11-17 3:10 ` David Miller
2009-11-17 5:38 ` Changli Gao
2009-11-17 6:02 ` Stephen Hemminger [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-11-16 7:31 Changli Gao
2009-11-16 8:19 ` Eric Dumazet
2009-11-16 8:43 ` Changli Gao
2009-11-13 4:42 Changli Gao
2009-11-13 4:46 ` Changli Gao
2009-11-10 8:30 Changli Gao
2009-11-10 9:07 ` Eric Dumazet
2009-11-10 9:43 ` Changli Gao
2009-11-10 10:57 ` Eric Dumazet
2009-11-10 11:14 ` Changli Gao
2009-11-10 11:41 ` Patrick McHardy
2009-11-10 12:14 ` Changli Gao
2009-11-10 12:19 ` Patrick McHardy
2009-11-10 12:37 ` Changli Gao
2009-11-10 12:45 ` Patrick McHardy
2009-11-10 13:06 ` Changli Gao
2009-11-10 13:34 ` Eric Dumazet
2009-11-10 13:49 ` Changli Gao
2009-11-10 16:45 ` Stephen Hemminger
2009-11-11 6:30 ` Changli Gao
2009-11-10 10:29 ` Patrick McHardy
2009-11-10 10:48 ` Changli Gao
2009-11-10 10:55 ` Eric Dumazet
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