linux-kernel - Re: libertas (private) ioctls vs. nl80211

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Date:	Thu, 14 Jun 2007 18:22:35 -0400
From:	Dan Williams <dcbw@...hat.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	johannes@...solutions.net, linux-wireless@...r.kernel.org,
	hs4233@...l.mn-solutions.de, linux-kernel@...r.kernel.org
Subject: Re: libertas (private) ioctls vs. nl80211

On Thu, 2007-06-14 at 14:48 -0400, Jeff Garzik wrote:
> Linus Torvalds wrote:
> > 
> > On Thu, 14 Jun 2007, Christoph Hellwig wrote:
> >>> I suspect that the probability of your proposal succeeding would be increased
> >>> if you could prepare a patch...
> >> Here we go:
> > 
> > I don't mind ripping them out, but it makes sense only if people are 
> > actually signed up to implementing this on a higher layer. As such, I'd 
> > need to get a sign-off from somebody actually involved in wireless mesh 
> > stuff etc.
> 
> Correct me if I'm wrong, linux-wireless, but AFAIK there has never been 
> a single post or line of code written for a generic wireless _mesh_ 
> interface.
> 
> My general sentiment is -- remove the pointless and iw-duplicated 
> ioctls, but leave the mesh ones that won't see generic counterparts for 
> years.

And that's what I did in the last pull you got from John; all pointless
and duplicated ioctls were removed.  The only ones left are mesh
tweakables, an LED GPIO control ioctl, and a regulatory region/domain
thing.  I agree the interface is somewhat ugly (like the
char-128/char-128 ones that return information from the mesh forwarding
table), and I also agree that we need to move to using netlink for this
sort of stuff in the future.  There are _no_ ioctls that duplicate WEXT
functionality.

Dan


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