netdev - Re: [PATCH 01/33] netdev: network device operations infrastructure

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Date:	Wed, 19 Nov 2008 21:26:50 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 01/33] netdev: network device operations infrastructure

From: Stephen Hemminger <shemminger@...tta.com>
Date: Mon, 17 Nov 2008 15:42:08 -0800

> This patch changes the network device internal API to move adminstrative
> operations out of the network device structure and into a separate structure.
> 
> This patch involves some hackery to maintain compatablity between the
> new and old model, so all 300+ drivers don't have to be changed at once.
> For drivers that aren't converted yet, the netdevice_ops virt function list
> still resides in the net_device structure. For old protocols, the new
> net_device_ops are copied out to the old net_device pointers.
> 
> After the transistion is completed the nag message can be changed to
> an WARN_ON, and the compatiablity code can be made configurable.
> 
> Some function pointers aren't moved:
> * destructor can't be in net_device_ops because 
>   it may need to be referenced after the module is unloaded.
> * neighbor setup is manipulated in a couple of places that need special
>   consideration
> * hard_start_xmit is in the fast path for transmit.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

Ok, I'm applying this but it needs the following interdiff to cure some
build failures.

And I'm also going to add the "ndo_*" prefix to the netdev_ops member
names as suggested by Eric.

I'll fix up the remaining patches as needed, so don't worry about that.
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