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This patch removes the incomplete AMPDU implementation in ar9170usb.
The code in question is:
* too big and complex (more than 550 SLOC.)
This is enough to qualify for a new separate code file!
* unbalanced quantity & quality
over-engineered areas like:
* xmit scheduling and queuing frames for multiple HT peers
* redundant frame sorting
are confronted by gaping holes:
* accurate transmission feedback
* firmware error-handling and device reset
* HT rate control algorithm
* error-prone
Since its inclusion, hardly anything was done to fix
any of the outlined flaws from the initial commit message.
=> This also indicates poor maintainability.
* relies heavily on several spinlocks.
As a result of this shortcomings, the code is slow and does not
even support the most basic 11n requirement: HT station mode.
Therefore, I request to purge my heap of **** from the kernel:
"ar9170: implement transmit aggregation".
The next item on the agenda is: (re-)start from scratch with
an adequate design to accommodate the special requirements
and features of the available frameworks and tools.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
f3926b49b7