netdev - Re: [PATCHv2 net-next 1/2] net_tstamp: add new flag HWTSTAMP_FLAG_BONDED_PHC

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Date:   Thu, 9 Dec 2021 13:33:47 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     netdev@...r.kernel.org, Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCHv2 net-next 1/2] net_tstamp: add new flag
 HWTSTAMP_FLAG_BONDED_PHC_INDEX

On Thu, Dec 09, 2021 at 06:24:48PM +0800, Hangbin Liu wrote:

> +/* possible values for hwtstamp_config->flags */
> +enum hwtstamp_flags {
> +	/*
> +	 * With this flag, the user could get bond active interface's
> +	 * PHC index. Note this PHC index is not stable as when there
> +	 * is a failover, the bond active interface will be changed, so
> +	 * will be the PHC index.
> +	 */
> +	HWTSTAMP_FLAG_BONDED_PHC_INDEX = (1<<0),
> +
> +	/* add new constants above here */
> +	__HWTSTAMP_FLAGS_CNT
> +};

I think this shouldn't be an enumerated type, but rather simply a bit
field of independent options.

Thanks,
Richard