On 2013-03-16 9:19 PM, abhinav narain wrote: > > > guess aggr of 1462 bytes ?), > > but why are those seq. numbers never re-used ? > Your traces don't give you the full picture, because looking at this as > a per-frame thing is wrong. > If both IEEE80211_TX_CTL_AMPDU and IEEE80211_TX_STAT_AMPDU are set, it > means that the contained rate retry information and time stamp refer to > the whole A-MPDU, not just that one frame. Information about software > retry of frames is not passed on to mac80211 at the moment. > If you want accurate timestamp, rate and retry information, do it per > A-MPDU, not per MPDU. > > Hi Felix, > I think I have understood you correctly, but let me know if I have got > you wrong. > > > > *594 *is the*first* frame of the aggregate and the *rate* information > from its descriptor has to be used *for the whole aggregate frame* 594-603. > Since the frames *595-603* seq. no. have the flag IEEE80211_TX_CTL_AMPDU > set and flag IEEE80211_TX_STAT_AMPDU not set, they are a part of the > AMPDU starting at 594 and all the rate/retx information is ignored. That's correct.
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