Re: [PATCH v2 bluetooth-next] Simplify lowpan receive path so skb is freed in lowpan_rcv when dropped.

[Alexander Aring <alex.aring@gmail.com>]

Hi Marcel,

On Tue, Sep 09, 2014 at 06:44:56AM -0700, Marcel Holtmann wrote:
> Hi Alex,
> 
> >> 
> >> The GHC spec states that a device indicates it's GHC capability using a 6LoWPAN Capability Indication Option (6CIO), this is an ND option.  As far as I can see there is no type assigned yet by IANA so I was wondering if we should have this as an experimental configuration item in the kernel?
> > 
> > Yes, please make a bool into net/6lowpan/Kconfig and add support for
> > drafts only if selected. 
> > 
> > In code you simple need to use "if (IS_ENABLED(CONFIG_FOO))" to
> > registration the nhc format into the nhc framework/layer or not.
> > 
> > Replace FOO with a propber 6LOWPAN_NHC_DRAFTS or something else. You can
> > write in the help what exactly this means.
> 
> or you just create /sys/kernel/debug/6lowpan/foo and use debugfs to toggle experimental options on/off at runtime. Especially if you are dealing with not yet assigned types, you can also have an entry that allows you to define the type.
> 

yea, runtime changeable stuff is nice. I will try to add some debugfs
entry registration with the nhc framework/layer. Then Martin can add
an entry to enable/disable his experimental stuff.

Thanks.

- Alex