[PATCH net-next] net/ncsi: Add generic netlink family

Samuel Mendoza-Jonas sam at mendozajonas.com
Tue Feb 27 13:29:41 AEDT 2018

On Mon, 2018-02-26 at 11:31 -0500, David Miller wrote:
> From: Samuel Mendoza-Jonas <sam at mendozajonas.com>
> Date: Fri, 23 Feb 2018 15:15:18 +1100
> > + * @NCSI_CMD_SET_INTERFACE: set preferred package and channel combination.
> > + *   Requires NCSI_ATTR_IFINDEX and the preferred NCSI_ATTR_PACKAGE_ID and
> > + *   optionally the preferred NCSI_ATTR_CHANNEL_ID. If neither IDs are
> > + *   specified the setting is cleared.
> I think clearing the setting when the required attributes are missing
> is dangerous behavior.
> It is ambiguous whether the user intended the setting to be cleared,
> or was in error and forgot to supply the attribute due to a bug.

Fair point - I'll change this to be an error and add a separate command
to clear the setting explicitly.
In that vein is having NCSI_ATTR_CHANNEL_ID as an optional parameter
ambiguous enough to justify a separate command as well?


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