On Mon, 2013-09-23 at 15:34 +0200, Michal Kazior wrote: > Some devices may not be able to report A-MSDUs in > single buffers. Drivers for such devices were > forced to re-assemble A-MSDUs which would then > be eventually disassembled by mac80211. This could > lead to CPU cache thrashing and poor performance. > > Since A-MSDU has a single sequence number all > subframes share it. This was in conflict with > retransmission/duplication recovery > (IEEE802.11-2012: 9.3.2.10). > > Patch introduces a new flag that is meant to be > set for all individually reported A-MSDU subframes > except the last one. This ensures the > last_seq_ctrl is updated after the last subframe > is processed. If an A-MSDU is actually a duplicate > transmission all reported subframes will be > properly discarded. Applied. johannes -- 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
