From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next 1/2] net: bridge: add support for
 user-controlled bool options
Date: Thu, 22 Nov 2018 16:52:56 +0100
Message-ID: <20181122155256.GH15403@lunn.ch>
References: <20181122042925.8878-1-nikolay@cumulusnetworks.com>
 <20181122042925.8878-2-nikolay@cumulusnetworks.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: netdev@vger.kernel.org, roopa@cumulusnetworks.com,
        davem@davemloft.net, bridge@lists.linux-foundation.org
To: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from vps0.lunn.ch ([185.16.172.187]:45768 "EHLO vps0.lunn.ch"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1726505AbeKWCcx (ORCPT <rfc822;netdev@vger.kernel.org>);
        Thu, 22 Nov 2018 21:32:53 -0500
Content-Disposition: inline
In-Reply-To: <20181122042925.8878-2-nikolay@cumulusnetworks.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

> +void br_boolopt_multi_get(const struct net_bridge *br,
> +			  struct br_boolopt_multi *bm)
> +{
> +	u32 optval = 0;
> +	int opt_id;
> +
> +	for (opt_id = 0; opt_id < BR_BOOLOPT_MAX; opt_id++)
> +		optval |= (br_boolopt_get(br, opt_id) << opt_id);
> +
> +	bm->optval = optval;
> +	bm->optmask = 0;

Maybe set optmask to indicate which bits this kernel supports?

      Andrew