netdev - Re: [PATCH net-next] tg3: shows HW time stamping support only if ptp

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Date:	Tue, 30 Apr 2013 10:50:15 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	Flavio Leitner <fbl@...hat.com>
Cc:	netdev <netdev@...r.kernel.org>,
	Nithin Nayak Sujir <nsujir@...adcom.com>,
	Michael Chan <mchan@...adcom.com>
Subject: Re: [PATCH net-next] tg3: shows HW time stamping support only if
 ptp_capable is present

On Mon, 29 Apr 2013 14:08:07 -0300, Flavio Leitner wrote:
> Current tg3 shows hardware timestamping support for all devices
> when that is true only for the hardware with PTP_CAPABLE flag
> present.
> 
> Signed-off-by: Flavio Leitner <fbl@...hat.com>
> ---
>  drivers/net/ethernet/broadcom/tg3.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
> index ac83c87..ef0b8a6 100644
> --- a/drivers/net/ethernet/broadcom/tg3.c
> +++ b/drivers/net/ethernet/broadcom/tg3.c
> @@ -5992,10 +5992,13 @@ static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
>  
>  	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
>  				SOF_TIMESTAMPING_RX_SOFTWARE |
> -				SOF_TIMESTAMPING_SOFTWARE    |
> -				SOF_TIMESTAMPING_TX_HARDWARE |
> -				SOF_TIMESTAMPING_RX_HARDWARE |
> -				SOF_TIMESTAMPING_RAW_HARDWARE;
> +				SOF_TIMESTAMPING_SOFTWARE;
> +
> +	if (tg3_flag(tp, PTP_CAPABLE)) {
> +		info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
                                     ^^^^
                         You need |= here.

> +					SOF_TIMESTAMPING_RX_HARDWARE |
> +					SOF_TIMESTAMPING_RAW_HARDWARE;
> +	}
>  
>  	if (tp->ptp_clock)
>  		info->phc_index = ptp_clock_index(tp->ptp_clock);

 Jiri

-- 
Jiri Benc
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