W dniu 12 czerwca 2011 20:48 uÅytkownik Michael BÃsch <m@xxxxxxx> napisaÅ: > On Sun, 12 Jun 2011 20:15:53 +0200 > RafaÅ MiÅecki <zajec5@xxxxxxxxx> wrote: >> Well, as I said, we may be unable to transmit the first element of the >> queue, but 2nd/3rd/... may be for different ring (qos) (we can >> transmit). >> >> Looping through the whole queue every time, just to find packets we >> may transmit, sounds surely as a bad idea. > > I don't think so. It's not that this is an actual queue anyway. It just acts > as a buffer to queue up one or two packets in the small race window of > actually filling up the DMA rings and stopping the mac80211 queue. > (It also acts as a context dispatcher in the first place, though). > > So the "looping through the queue" just means checking if one or two packets > can be transmitted now. Ouch, I didn't though about stopping queue. Yeah, length of that queue should not reach big sizes... -- RafaÅ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
