netdev - Re: [PATCH net-next 1/2] net: bridge: add support for user-controlled bool options

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Date:   Thu, 22 Nov 2018 16:52:56 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Cc:     netdev@...r.kernel.org, roopa@...ulusnetworks.com,
        davem@...emloft.net, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next 1/2] net: bridge: add support for
 user-controlled bool options

> +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