On Mon, 2008-10-20 at 15:01 +0530, Sujith wrote: > Johannes Berg wrote: > > Can you change your quote string from " > " to "> "? Just asking, if you > > can't/don't want to that's fine, it just always confuses me for a > > second. I really should try to figure out if I can convince my mailer to > > highlight " > " indented text as quote too. > > Sure, adding (setq vm-included-text-prefix "> ") in my .emacs did the trick. :) Thanks! :) > > > Well, currently ath9k maintains a buffer list for each tid. > > > When mac80211 sends down a frame, if the recipient has an aggr. session going, > > > it is appended to the tid's buffer list. Non-HT frames are sent out immediately. > > > > Incidentally, why the distinction between HT and non-HT frames? > > HT frames for aggregation enabled STAs are processed in the TX completion path, so > they are buffered. But couldn't non-HT frames be buffered similarly? Maybe I'm missing one of the finer points of the 11n draft? > > > On TX completion, we run through all the ACs, STAs and TIDs and send out pending > > > frames as aggregates. > > > > So basically you can always have one frame or one aggregation > > "pack" (for lack of a better word) queued to the hw? > > > > I am not sure, I should check. Doesn't really matter, I was just trying to make sense out of your statement of processing it at completion time. > Makes sense, ath9k currently has a similar set of functions ( pausing/resuming TIDs). > How would the pending frames for each TID be managed ? > Will the driver be able to pull them as and when needed or would mac80211 > push them down on checking if the TID is awake ? I guess there's no clear answer here. How about "whichever you want"? Though I think I prefer pushing them down as that makes the model easier to understand. It probably also makes the Intel case easier to implement. johannes
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