I've been looking at why ath9k->FreeBSD HT performance is bad when AMPDU is
enabled, and I've seen some strange things.

In particular, I've seen sequences where out-of-order packets occur (which
is fine, apparently, even if the TX side -could- reorder things) -and-
duplicates inside the same frame, or what I'm gathering is the same frame.

I've put an example snapshot of the capture here -
http://people.freebsd.org/~adrian/pcap4-ampdu-tx-dup.pcap .

I'd appreciate any feedback people have about this!

Thankyou,


Adrian
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