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ethtool: set device private flags with PRIVFLAGS_SET request

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Implement PRIVFLAGS_SET netlink request to set private flags of a network
device. These are traditionally set with ETHTOOL_SPFLAGS ioctl request.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek
2020-03-12 21:08:13 +01:00
committed by David S. Miller
parent e16c3386fc
commit f265d79959
5 changed files with 97 additions and 1 deletions
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21
Documentation/networking/ethtool-netlink.rst
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@@ -192,6 +192,7 @@ Userspace to kernel:
``ETHTOOL_MSG_FEATURES_GET`` get device features
``ETHTOOL_MSG_FEATURES_SET`` set device features
``ETHTOOL_MSG_PRIVFLAGS_GET`` get private flags
``ETHTOOL_MSG_PRIVFLAGS_SET`` set private flags
===================================== ================================
Kernel to userspace:
@@ -211,6 +212,7 @@ Kernel to userspace:
``ETHTOOL_MSG_FEATURES_SET_REPLY`` optional reply to FEATURES_SET
``ETHTOOL_MSG_FEATURES_NTF`` netdev features notification
``ETHTOOL_MSG_PRIVFLAGS_GET_REPLY`` private flags
``ETHTOOL_MSG_PRIVFLAGS_NTF`` private flags
===================================== =================================
``GET`` requests are sent by userspace applications to retrieve device
@@ -626,6 +628,23 @@ response uses all private flags supported by the device as mask so that client
gets the full information without having to fetch the string set with names.
PRIVFLAGS_SET
=============
Sets or modifies values of device private flags like ``ETHTOOL_SPFLAGS``
ioctl request.
Request contents:
==================================== ====== ==========================
``ETHTOOL_A_PRIVFLAGS_HEADER`` nested request header
``ETHTOOL_A_PRIVFLAGS_FLAGS`` bitset private flags
==================================== ====== ==========================
``ETHTOOL_A_PRIVFLAGS_FLAGS`` can either set the whole set of private flags or
modify only values of some of them.
Request translation
===================
@@ -676,7 +695,7 @@ have their netlink replacement yet.
``ETHTOOL_GFLAGS`` ``ETHTOOL_MSG_FEATURES_GET``
``ETHTOOL_SFLAGS`` ``ETHTOOL_MSG_FEATURES_SET``
``ETHTOOL_GPFLAGS`` ``ETHTOOL_MSG_PRIVFLAGS_GET``
``ETHTOOL_SPFLAGS`` n/a
``ETHTOOL_SPFLAGS`` ``ETHTOOL_MSG_PRIVFLAGS_SET``
``ETHTOOL_GRXFH`` n/a
``ETHTOOL_SRXFH`` n/a
``ETHTOOL_GGRO`` ``ETHTOOL_MSG_FEATURES_GET``