netdev - Re: [PATCH] appletalk: Pass IP-over-DDP packets through when 'ipddp0' interface is not present

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Date:	Thu, 25 Feb 2016 19:46:37 -0500
From:	Adam Seering <adam@...ring.org>
To:	David Miller <davem@...emloft.net>
Cc:	acme@...stprotocols.net, netdev@...r.kernel.org
Subject: Re: [PATCH] appletalk: Pass IP-over-DDP packets through when
 'ipddp0' interface is not present

On Thu, 2016-02-25 at 14:33 -0500, David Miller wrote:
> From: Adam Seering <adam@...ring.org>
> Date: Tue, 23 Feb 2016 09:19:13 -0500
> 
> > Let userspace programs transmit and receive raw IP-over-DDP packets
> > with a kernel where "ipddp" was compiled as a module but is not
> loaded
> > (so no "ipddp0" network interface is exposed).  This makes the
> "module
> > is not loaded" behavior match the "module was never compiled"
> behavior.
> > 
> > Signed-off-by: Adam Seering <adam@...ring.org>
> 
> I think a better approache is to somehow autoload the module.

Could you elaborate?  Specifically: the kernel currently suppresses
packets on behalf of the module even after the module is unloaded.  How
would autoloading the module help with that?