tree 7973659757e31fa83614ac2c503a984876548fbe
parent 50d60c6322f14e32bc11635732c54db1447fd3f5
author Felix Fietkau <nbd@openwrt.org> 1381527052 +0200
committer John W. Linville <linville@tuxdriver.com> 1381772398 -0400

ath9k: use a separate data structure for rx buffers

There's no shared code for handling both rx and tx buffers, and tx
buffers require a lot more metadata than rx buffers.
Using a separate data structure for rx reduces memory usage and improves
cache footprint.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>