From: David Miller <davem@davemloft.net>
To: shemminger@linux-foundation.org
Cc: jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [RFC] netdevice ops
Date: Thu, 17 May 2007 21:50:03 -0700 (PDT) [thread overview]
Message-ID: <20070517.215003.26100109.davem@davemloft.net> (raw)
In-Reply-To: <20070517210737.17d88401@localhost>
From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Thu, 17 May 2007 21:07:37 -0700
> I want to take all the function pointers of 'struct net_device' and
> move them to 'struct net_device_ops'. This will save memory for the
> case of lots of devices, as well as reduce initialization code.
>
> Rough plan:
> 1. Introduce inline accessors so protocols don't dereference dev->XXX directly.
> 2. Fix protocols to use #1
> 3. Add ops field to net_device, and netdevice_register will fill in old values
> in 'struct net_device'.
> 4...1300 Fix all network devices to use ops field
> 1301 Change accessors to use ops, get rid of old 'struct net_device' function pointers.
>
> It isn't rocket science just another code exercise. I'll patch bomb it into something
> like 2.6.23-mm first.
>
> This should really help the people who like to do 1000's of vlans etc.
I have no objections.
next prev parent reply other threads:[~2007-05-18 4:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 4:07 [RFC] netdevice ops Stephen Hemminger
2007-05-18 4:23 ` Ben Greear
2007-05-18 4:49 ` David Miller
2007-05-18 6:42 ` Ben Greear
2007-05-18 4:50 ` David Miller [this message]
2007-05-18 4:54 ` Jeff Garzik
2007-05-18 5:05 ` David Miller
2007-05-18 5:58 ` Stephen Hemminger
2007-05-19 14:18 ` Andi Kleen
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