Re: [PATCH 1/1] mac80211: sends HT IE to user level through wext

["Tomas Winkler" <tomasw@gmail.com>]

On Tue, May 27, 2008 at 8:24 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:
>
>> I would prefer to get all IEs in one blob (assuming WEXT does not have
>> length limits on this data that could be up to about 2250 bytes long).
>
> Good point. That should actually be doable quite easily.
>
>> This would avoid need to add new IEs one by one in the future (e.g., for
>> IEEE 802.11r).
>
> Yeah, precisely.
>
>> wpa_supplicant should be able to combine multiple IEs (or even multiple
>> IE groups) together, so I'm not too concerned of this being done
>> separately, but in general, it would be simpler to just pass all IEs as
>> a single blob. It might even be worthwhile to start storing the IEs as a
>> single buffer and have helper functions to fetch pointer to the
>> beginning of whatever IE is needed in the MLME code (this is how the
>> current wpa_supplicant processes IEs from scan results).
>
> Actually, we do store them in one blob and then hand out pointers to the
> various parts.
>
> johannes
>

Would this work with current and older version of  wpa_supplicant?.
I'm concern with backward compatibility,

Thanks
Tomas