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authorStanislaw Gruszka <sgruszka@redhat.com>2010-07-27 16:48:17 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-07-27 20:59:59 +0200
commitac59b496d9fd0b7425219e8dc5d4f1f6f0083efc (patch)
treefa70270fd9df3d1189dc43ffda921fcbb9a79360 /drivers/net/wireless/rt2x00/rt2500usb.c
parentrt2500usb: write keys to proper registers (diff)
downloadlinux-ac59b496d9fd0b7425219e8dc5d4f1f6f0083efc.tar.xz
linux-ac59b496d9fd0b7425219e8dc5d4f1f6f0083efc.zip
rt2500usb: truly disable encryption when initialize
Without cipher part nullify of TXRX_CSR0 register we can receive corrupted frames (removed IV or IVC), after reloading rt2500usb module with nohwcrypt=1 option, if previous some keys were configured into the hardware. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 27942455ddcc..08240f813ef4 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -817,6 +817,7 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, CIPHER_NONE);
rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);