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| /freebsd-11-stable/sys/dev/ath/ | ||
| H A D | if_ath_tx.c | diff 233895 Wed Apr 04 20:01:07 MDT 2012 adrian Correctly handle AR_MoreAggr when assembling multi-descriptor final frames. Linux ath9k doesn't have this issue as it doesn't try queuing multi- descriptor frames to the hardware. Before, I was only setting the first and last descriptor in the final frame correctly - and that was done by accident. The first descriptor in the last sub-frame was being correctly updated by ath_tx_setds_11n(); the last descriptor in the last sub-frame was being correctly updated by ath_buf_set_rate(). But both of those are "incorrect". The correct behaviour is: * AR_IsAggr is set for all descriptors for all subframes in an aggregate. * AR_MoreAggr is set for all descriptors for all non-final sub-frames in an aggregate. Ie, all descriptors in the last sub-frame of an aggregate must have this field set to 0. I still need to do a couple of extra passes to ensure the pad delimiter field is being correctly handled in all descriptors in the last sub-frame. |
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