rt2500usb: fallback to SW encryption for TKIP+AES
commitad2ec68f76ce08911c87bc8bd5c92491a0c5aac9
authorOndrej Zary <linux@rainbow-software.org>
Wed, 23 Jun 2010 10:57:15 +0000 (23 12:57 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 9 May 2011 22:55:40 +0000 (9 15:55 -0700)
tree50b8c3da4aea53efe55c517d4a6d709ac48e0cd4
parenta1fabce3d03a20953d6c4fd61b72f6355818d925
rt2500usb: fallback to SW encryption for TKIP+AES

commit 75f64dd54a185150ebfc45e99351c890d4a2252f upstream.

HW crypto in rt2500usb does not seem to support keys with different ciphers,
which breaks TKIP+AES mode. Fall back to software encryption to fix it.

This should fix long-standing problems with rt2500usb and WPA, such as:
http://rt2x00.serialmonkey.com/phpBB/viewtopic.php?f=4&t=4834
https://bugzilla.redhat.com/show_bug.cgi?id=484888

Also tested that it does not break WEP, TKIP-only and AES-only modes.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
[bwh: Adjust context for 2.6.32]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/net/wireless/rt2x00/rt2500usb.c