On 31 Mar 2010, at 14:24, Antoine Brodin wrote:

> On Wed, Mar 31, 2010 at 3:05 PM, Rui Paulo <rpa...@gmail.com> wrote:
>> Hi,
>> I've started developing a ratectl framework for net80211, loosely based on 
>> what DragonFly has. Right now only one driver has been ported, but I would 
>> like your feedback before continuing.
>> 
>> The objective is to, eventually, have all the ratectl stuff (amrr, sample, 
>> onoe(?) and rssadapt) in net80211 so all drivers can use it. We can also 
>> select which ratectl modules are built in the kernel config file.
>> The framework support changing the current ratectl is out of scope for this 
>> patch.
>> 
>> You can find the patch here:
>>        * http://people.freebsd.org/~rpaulo/ratectl.diff
>> 
>> Only the ral driver and the AMRR rate control algorithms were ported.
>> 
>> Some comments:
>> o The rate control calls now dereferences several pointers and some inline 
>> functions are now real functions. I wonder how much this impacts performance 
>> and what we can do to solve it.
>> 
>> o I wished there was a better way to do the IEEE80211_AMRR_SUCCESS / 
>> IEEE80211_AMRR_FAILURe call.
>> 
>> o Some other stuff can also be `const'
>> 
>> o I create ieee80211_ratect.[ch] to avoid polluting other files
>> 
>> o I moved the AMRR parameters inside amrr_init() on purpose. The drivers we 
>> have now only specify a different interval and I plan to add export 
>> amrr_set_interval() via the ratectl framework later.
>> 
>> 
>> I would like very much to see this in, unless there's a strong impending 
>> argument.
> 
> Hello,
> 
> This looks great!
> Is there specific reasons to use pointers and not ints for some
> arguments of foo_tx_complete() and foo_tx_update()?

Not really. I'll probably switch them to ints at some point.

--
Rui Paulo

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