From: Florian Fainelli <f.fainelli@gmail.com>
To: Michal Kubecek <mkubecek@suse.cz>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>,
Jiri Pirko <jiri@resnulli.us>, Andrew Lunn <andrew@lunn.ch>,
John Linville <linville@tuxdriver.com>,
Stephen Hemminger <stephen@networkplumber.org>,
Johannes Berg <johannes@sipsolutions.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v3 5/5] ethtool: provide link mode names as a string set
Date: Wed, 11 Dec 2019 20:12:08 -0800 [thread overview]
Message-ID: <f4ac49ee-79a2-b91c-ae9a-1c7ab56580f1@gmail.com> (raw)
In-Reply-To: <7aa9bf09b8007967b9aa1c48b3c342fd36bcc8b4.1576057593.git.mkubecek@suse.cz>
On 12/11/2019 1:58 AM, Michal Kubecek 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@suse.cz>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
I would have almost treated the _Half_ modes a special to omit
specifying Full for 90% of the remaining modes and save both characters
and room for errors, but that's fine this way too.
--
Florian
next prev parent reply other threads:[~2019-12-12 4:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 9:58 [PATCH net-next v3 0/5] ethtool netlink interface, preliminary part Michal Kubecek
2019-12-11 9:58 ` [PATCH net-next v3 1/5] rtnetlink: provide permanent hardware address in RTM_NEWLINK Michal Kubecek
2019-12-11 9:58 ` [PATCH net-next v3 2/5] netlink: rename nl80211_validate_nested() to nla_validate_nested() Michal Kubecek
2019-12-11 9:58 ` [PATCH net-next v3 3/5] ethtool: move to its own directory Michal Kubecek
2019-12-11 9:58 ` [PATCH net-next v3 4/5] ethtool: move string arrays into common file Michal Kubecek
2019-12-12 4:03 ` Florian Fainelli
2019-12-11 9:58 ` [PATCH net-next v3 5/5] ethtool: provide link mode names as a string set Michal Kubecek
2019-12-12 4:12 ` Florian Fainelli [this message]
2019-12-11 17:46 ` [PATCH net-next v3 0/5] ethtool netlink interface, preliminary part Jakub Kicinski
2019-12-12 4:13 ` Florian Fainelli
2019-12-13 1:07 ` David Miller
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