net: ethtool: Add attributes for cable test TDR data
authorAndrew Lunn <andrew@lunn.ch>
Tue, 26 May 2020 22:21:37 +0000 (00:21 +0200)
committerDavid S. Miller <davem@davemloft.net>
Wed, 27 May 2020 06:21:48 +0000 (23:21 -0700)
commita331172b156b23e83dfb556ade0ca23426c3f149
tree434f9b6cd610537d33f43ddf876ca22f1550ec57
parent53c0ec4f4db19d430570bbbfc80ce899419d29f4
net: ethtool: Add attributes for cable test TDR data

Some Ethernet PHYs can return the raw time domain reflectromatry data.
Add the attributes to allow this data to be requested and returned via
netlink ethtool.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
v2:
m -> cm
Report what the PHY actually used for start/stop/step.

Signed-off-by: David S. Miller <davem@davemloft.net>
Documentation/networking/ethtool-netlink.rst
include/uapi/linux/ethtool_netlink.h