From: Ben Hutchings <bhutchings@solarflare.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Tom Herbert <therbert@google.com>,
davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering
Date: Sat, 16 Jan 2010 02:11:33 +0000 [thread overview]
Message-ID: <1263607893.17815.114.camel@localhost> (raw)
In-Reply-To: <20100114145633.4c2d4ac6@nehalam>
On Thu, 2010-01-14 at 14:56 -0800, Stephen Hemminger wrote:
> On Thu, 14 Jan 2010 13:56:23 -0800 (PST)
> Tom Herbert <therbert@google.com> wrote:
[...]
> > The CPU masks is set on a per device basis in the sysfs variable
> > /sys/class/net/<device>/rps_cpus. This is a set of canonical bit maps for
> > each NAPI nstance of the device. For example:
> >
> > echo "0b 0b0 0b00 0b000" > /sys/class/net/eth0/rps_cpus
>
> Why not make a kobject out of cpus which would add subdirectory.
> This would keep interface consistent with the one value per file
> semantic of sysfs.
Do you mean a kobject per NAPI context, each initially with a rps_cpus
attribute holding a CPU mask, or a kobject per CPU, each with an
attribute specifying which NAPI contexts it does work for? (Personally
I'd favour the first.)
Ben.
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
next prev parent reply other threads:[~2010-01-16 2:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-14 21:56 [PATCH v5] rps: Receive Packet Steering Tom Herbert
2010-01-14 22:56 ` Stephen Hemminger
2010-01-14 23:31 ` Rick Jones
2010-01-16 2:11 ` Ben Hutchings [this message]
2010-01-17 17:22 ` Stephen Hemminger
2010-01-15 2:22 ` Changli Gao
2010-01-15 6:19 ` Eric Dumazet
2010-01-15 6:39 ` Changli Gao
2010-01-15 6:57 ` Eric Dumazet
2010-01-15 8:49 ` David Miller
2010-01-15 9:20 ` Changli Gao
2010-01-15 9:26 ` David Miller
2010-01-21 7:04 ` Changli Gao
2010-01-15 9:45 ` David Miller
2010-01-15 8:50 ` David Miller
2010-01-15 9:05 ` Changli Gao
2010-01-15 6:27 ` Eric Dumazet
2010-01-16 2:26 ` Ben Hutchings
2010-01-21 7:54 ` Changli Gao
2010-01-21 9:16 ` Eric Dumazet
2010-01-28 6:04 ` Stephen Hemminger
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