Re: [PATCH w-t 2/3] rt2500usb: truly disable encryption when initialize

[Ivo Van Doorn <ivdoorn@xxxxxxxxx>]

On Tue, Jul 27, 2010 at 4:48 PM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote:
> 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@xxxxxxxxxx>

Acked-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>

> ---
>  drivers/net/wireless/rt2x00/rt2500usb.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
> index 7892647..3028abb 100644
> --- a/drivers/net/wireless/rt2x00/rt2500usb.c
> +++ b/drivers/net/wireless/rt2x00/rt2500usb.c
> @@ -813,6 +813,7 @@ 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);
> --
> 1.7.1
>
>
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