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Re: [PATCH] ath9k: optimize tx status update

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On 2011-09-26 3:42 AM, Rajkumar Manoharan wrote:
The recent changes of ath_tx_rc_status makes it to be called
only for the first frame of aggregation or if there is a
single subframe and for all normal frames. And also for all
aggregated frames IEEE80211_TX_STAT_AMPDU will be set. This
patch removes the unnecessary checks and make the ampdu_[ack]_len
to be filled on both aggregation and normal frames.
This patch looks wrong to me. Only one subframe per A-MPDU is supposed to carry the IEEE80211_TX_STAT_AMPDU flag, so the check you removed from rc.c is actually necessary, otherwise it'll process the tx status of an A-MPDU multiple times (once per completed subframe).

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