k N) arn't able to
handle that correctly and will reply with an ADDBA reponse with a
buf_size of 0 which in turn will disallow BA sessions for these
devices.

To work around this problem, initialize hw.max_tx_aggregation_subframes
to the maximum AMPDU buffer size 0x40.

Using 0 as default for the bufsize was introduced in commit
5dd36bc933e8be84f8369ac64505a2938f9ce036 (mac80211: allow advertising
correct maximum aggregate size).

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
UnÓ‘2x