Re: [PATCH net-next RESEND 2/2] FDDI: DEC FDDIcontroller 700 TURBOchannel card support

[David Miller <davem@davemloft.net>]

From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Mon, 28 Apr 2014 12:37:08 +0100 (BST)

>  That however I would like to keep -- I find it particularly valuable and 
> a great advantage of this piece of hardware to be able to tap into all the 
> SMT traffic crossing this adapter, both incoming and outgoing, for 
> educational and diagnostic purposes.  Without this capability a second 
> FDDI station is required to be able to see both traffic streams, and also 
> it has to be exactly the next downstream neighbour or some traffic will 
> undoubtedly be stripped from the ring by intermediate stations.
> 
>  Therefore I would like to retain this capability.  If you're unhappy with 
> tapping in directly, then I think sending them back down the usual receive 
> path would do, although at some performance hit.  So I'd prefer to avoid 
> it if possible -- can you propose an alternative by any chance?
> 
>  Thanks for your review, please let me know how to proceed with the issues 
> that remain open.  I'll send updated code once we've settled, I think 
> there's little point in publishing an update before then.

We're not exporting all of these internals for the unique desires of
one single driver.