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ethtool: set message mask with DEBUG_SET request

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Implement DEBUG_SET netlink request to set debugging settings for a device.
At the moment, only message mask corresponding to message level as set by
ETHTOOL_SMSGLVL ioctl request can be set. (It is called message level in
ioctl interface but almost all drivers interpret it as a bit mask.)

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek
2020-01-26 23:11:07 +01:00
committed by David S. Miller
parent 6a94b8ccf6
commit e54d04e3af
5 changed files with 79 additions and 1 deletions
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20
Documentation/networking/ethtool-netlink.rst
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@@ -186,6 +186,7 @@ Userspace to kernel:
``ETHTOOL_MSG_LINKMODES_SET`` set link modes info
``ETHTOOL_MSG_LINKSTATE_GET`` get link state
``ETHTOOL_MSG_DEBUG_GET`` get debugging settings
``ETHTOOL_MSG_DEBUG_SET`` set debugging settings
===================================== ================================
Kernel to userspace:
@@ -455,6 +456,23 @@ interface follows its actual use in practice.
devices supporting the request).
DEBUG_SET
=========
Set or update debugging settings of a device. At the moment, only message mask
is supported.
Request contents:
==================================== ====== ==========================
``ETHTOOL_A_DEBUG_HEADER`` nested request header
``ETHTOOL_A_DEBUG_MSGMASK`` bitset message mask
==================================== ====== ==========================
``ETHTOOL_A_DEBUG_MSGMASK`` bit set allows setting or modifying mask of
enabled debugging message types for the device.
Request translation
===================
@@ -474,7 +492,7 @@ have their netlink replacement yet.
``ETHTOOL_GWOL`` n/a
``ETHTOOL_SWOL`` n/a
``ETHTOOL_GMSGLVL`` ``ETHTOOL_MSG_DEBUG_GET``
``ETHTOOL_SMSGLVL`` n/a
``ETHTOOL_SMSGLVL`` ``ETHTOOL_MSG_DEBUG_SET``
``ETHTOOL_NWAY_RST`` n/a
``ETHTOOL_GLINK`` ``ETHTOOL_MSG_LINKSTATE_GET``
``ETHTOOL_GEEPROM`` n/a