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Message-ID: <20191210142749.GA7075@nanopsycho>
Date:   Tue, 10 Dec 2019 15:27:49 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Michal Kubecek <mkubecek@...e.cz>
Cc:     David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        John Linville <linville@...driver.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Johannes Berg <johannes@...solutions.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 5/5] ethtool: provide link mode names as a
 string set

Tue, Dec 10, 2019 at 02:08:13PM CET, mkubecek@...e.cz wrote:
>Unlike e.g. netdev features, the ethtool ioctl interface requires link mode
>table to be in sync between kernel and userspace for userspace to be able
>to display and set all link modes supported by kernel. The way arbitrary
>length bitsets are implemented in netlink interface, this will be no longer
>needed.
>
>To allow userspace to access all link modes running kernel supports, add
>table of ethernet link mode names and make it available as a string set to
>userspace GET_STRSET requests. Add build time check to make sure names
>are defined for all modes declared in enum ethtool_link_mode_bit_indices.
>
>Once the string set is available, make it also accessible via ioctl.
>
>Signed-off-by: Michal Kubecek <mkubecek@...e.cz>

Reviewed-by: Jiri Pirko <jiri@...lanox.com>

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