Re: [RFA] namespaces and vendor extensions

Sorry, Johannes, you're right. I was kinda lost :(

Joshua

On Tue, Dec 1, 2009 at 1:16 AM, Johannes Berg <[email protected]> wrote:
> Joshua,
>
>> For the structure of the vendor space, you extend 'skip_length' from 8
>> bits to 16 bits.
>> > Structure
>> >        u8 OUI[3], u8 sub_namespace, __le16 skip_length
>> I'm neutral on that. My question is why not extend 'sub_namespace' to
>> 16 bits too?
>
> I don't see much point in having more than 255 sub-namespaces per OUI,
> do you?
>
>> I hardly see that a vendor extension part can go over 255
>> bytes. But if that happens, it's quite likely that the extension may
>> contain more than 8 fields.
>
> Where are you taking 8 fields from? After the vendor extensions bit, the
> vendor extension puts vendor-defined presence bits into the it_present
> bitmap. Therefore, you have an unlimited number of fields per vendor
> sub-namespace, as such I see little reason to support more than 255
> sub-namespaces.
>
> johannes
>