netdev - Re: [RFC] netdevice ops

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Message-Id: <20070517.215003.26100109.davem@davemloft.net>
Date:	Thu, 17 May 2007 21:50:03 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...ux-foundation.org
Cc:	jgarzik@...ox.com, netdev@...r.kernel.org
Subject: Re: [RFC] netdevice ops

From: Stephen Hemminger <shemminger@...ux-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.
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