Re: [bug report] net: ethtool: Introduce per-PHY DUMP operations

[Dan Carpenter]

On Mon, Feb 09, 2026 at 02:10:38PM +0100, Andrew Lunn wrote:
> > > ETHTOOL_MSG_USER_NONE, 
> > > ETHTOOL_MSG_FEATURES_SET,
> > > ETHTOOL_MSG_CABLE_TEST_ACT,
> > > ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
> > > ETHTOOL_MSG_TUNNEL_INFO_GET,
> > > ETHTOOL_MSG_MODULE_FW_FLASH_ACT,
> > > ETHTOOL_MSG_RSS_CREATE_ACT,
> > > ETHTOOL_MSG_RSS_DELETE_ACT,
> > 
> > While these commands don't have ethnl_request_ops handlers, they still
> > have a genetlink handler, see the ethtool_genl_ops array [1]
> 
> At least for the *_ACT commands, they are not expected in the
> userspace->kernel space direction. They should only be sent by the
> kernel to user space, to indicate some action has been performed, or
> happened. I don't know the netlink code too well, but i assume there
> is something which will throw out such commands if sent to the kernel,
> without even looking at the parameters?

Ah.  Got it.  Thanks!


regards,
dan carpenter