Hi All,
This series add support for PHY Loopback tunable, and implement it
for MSCC phys.
To configure loopback, the ethtool_tunable structure is used. 'id' must be
set to 'ETHTOOL_PHY_LOOPBACK' and 'data' specifies the loopback type:
ETHTOOL_PHY_LOOPBACK_* (DISABLE, NEAR, FAR or EXTN).
Here is how to configure loopback using ethtool:
Ethtool Help: ethtool -h for PHY tunables
ethtool --set-phy-tunable DEVNAME Set PHY tunable
[ loopback off|near|far|extn ]
ethtool --get-phy-tunable DEVNAME Get PHY tunable
[ loopback ]
Ethtool ex:
ethtool --set-phy-tunable eth0 loopback near
ethtool --set-phy-tunable eth0 loopback far
ethtool --set-phy-tunable eth0 loopback extn
ethtool --set-phy-tunable eth0 loopback off
ethtool --get-phy-tunable eth0 loopback
Patches to ethtool will follow shortly.
The feature is tested on Beaglebone Black with VSC 8531 PHY.
Please review.
Best regards
Allan and Raju
Raju Lakkaraju (3):
ethtool: (uapi) Add ETHTOOL_PHY_LOOPBACK to PHY tunables
ethtool: Core impl for ETHTOOL_PHY_LOOPBACK tunable.
net: phy: Add Loopback support in Microsemi PHYs driver
drivers/net/phy/mscc.c | 118 +++++++++++++++++++++++++++++++++++++++++++
include/uapi/linux/ethtool.h | 8 +++
net/core/ethtool.c | 2 +
3 files changed, 128 insertions(+)
--
2.7.3
