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List:       linux-wpan
Subject:    Re: [PATCH v2 3/3] mrf24j40: apply the security-enabled bit on secured outbound frames
From:       Stefan Schmidt <stefan () osg ! samsung ! com>
Date:       2016-03-30 8:45:56
Message-ID: 56FB9244.9070502 () osg ! samsung ! com
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Hello.

Added Alan Ott in CC.

regards
Stefan Schmidt

On 14/03/16 21:46, Alexandre Macabies wrote:
> We set the TXNSECEN bit of register TXNCON to on when transmitting a
> security-enabled frame, as described in section 3.12.2 of the MRF
> datasheet.
>
> Signed-off-by: Alexander Aring <aar@pengutronix.de>
> Signed-off-by: Alexandre Macabies <web+oss@zopieux.com>
> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
> ---
>   drivers/net/ieee802154/mrf24j40.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
> index adc67be..f446db8 100644
> --- a/drivers/net/ieee802154/mrf24j40.c
> +++ b/drivers/net/ieee802154/mrf24j40.c
> @@ -61,6 +61,7 @@
>   #define REG_TXBCON0	0x1A
>   #define REG_TXNCON	0x1B  /* Transmit Normal FIFO Control */
>   #define BIT_TXNTRIG	BIT(0)
> +#define BIT_TXNSECEN	BIT(1)
>   #define BIT_TXNACKREQ	BIT(2)
>   
>   #define REG_TXG1CON	0x1C
> @@ -551,6 +552,9 @@ static void write_tx_buf_complete(void *context)
>   	u8 val = BIT_TXNTRIG;
>   	int ret;
>   
> +	if (ieee802154_is_secen(fc))
> +		val |= BIT_TXNSECEN;
> +
>   	if (ieee802154_is_ackreq(fc))
>   		val |= BIT_TXNACKREQ;
>   

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