From: Stephen Hemminger <shemminger@vyatta.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: John Fastabend <john.r.fastabend@intel.com>,
davem@davemloft.net, netdev@vger.kernel.org, hadi@cyberus.ca,
tgraf@infradead.org, eric.dumazet@gmail.com,
nhorman@tuxdriver.com
Subject: Re: [net-next-2.6 PATCH v2] net: implement mechanism for HW based QOS
Date: Mon, 20 Dec 2010 14:58:44 -0800 [thread overview]
Message-ID: <20101220145844.35c4de44@nehalam> (raw)
In-Reply-To: <1292885287.3055.22.camel@bwh-desktop>
On Mon, 20 Dec 2010 22:48:07 +0000
Ben Hutchings <bhutchings@solarflare.com> wrote:
> > + u8 num_tc;
> > + struct netdev_tc_txq tc_to_txq[16];
> > + u8 prio_tc_map[16];
>
> That seems like a fair amount of data to add to every net device,
> considering that users may create e.g. a lot of VLAN devices and they
> won't use this state at all. Have you considered putting these in a
> structure that is accessed indirectly?
The tc stuff should use indirection and only allocate if needed.
--
next prev parent reply other threads:[~2010-12-20 22:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-17 16:56 [net-next-2.6 PATCH v2] net: implement mechanism for HW based QOS John Fastabend
2010-12-20 22:48 ` Ben Hutchings
2010-12-20 22:58 ` Stephen Hemminger [this message]
2010-12-20 22:58 ` Eric Dumazet
2010-12-21 19:15 ` John Fastabend
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