diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ethtool-netlink.rst | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index 3912cb0eb9c6..60684786a92c 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -180,12 +180,14 @@ Userspace to kernel: ===================================== ================================ ``ETHTOOL_MSG_STRSET_GET`` get string set + ``ETHTOOL_MSG_LINKINFO_GET`` get link settings ===================================== ================================ Kernel to userspace: ===================================== ================================ ``ETHTOOL_MSG_STRSET_GET_REPLY`` string set contents + ``ETHTOOL_MSG_LINKINFO_GET_REPLY`` link settings ===================================== ================================ ``GET`` requests are sent by userspace applications to retrieve device @@ -278,6 +280,37 @@ Flag ``ETHTOOL_A_STRSET_COUNTS_ONLY`` tells kernel to only return string counts of the sets, not the actual strings. +LINKINFO_GET +============ + +Requests link settings as provided by ``ETHTOOL_GLINKSETTINGS`` except for +link modes and autonegotiation related information. The request does not use +any attributes. + +Request contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_LINKINFO_HEADER`` nested request header + ==================================== ====== ========================== + +Kernel response contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_LINKINFO_HEADER`` nested reply header + ``ETHTOOL_A_LINKINFO_PORT`` u8 physical port + ``ETHTOOL_A_LINKINFO_PHYADDR`` u8 phy MDIO address + ``ETHTOOL_A_LINKINFO_TP_MDIX`` u8 MDI(-X) status + ``ETHTOOL_A_LINKINFO_TP_MDIX_CTRL`` u8 MDI(-X) control + ``ETHTOOL_A_LINKINFO_TRANSCEIVER`` u8 transceiver + ==================================== ====== ========================== + +Attributes and their values have the same meaning as matching members of the +corresponding ioctl structures. + +``LINKINFO_GET`` allows dump requests (kernel returns reply message for all +devices supporting the request). + + Request translation =================== @@ -288,7 +321,7 @@ have their netlink replacement yet. =================================== ===================================== ioctl command netlink command =================================== ===================================== - ``ETHTOOL_GSET`` n/a + ``ETHTOOL_GSET`` ``ETHTOOL_MSG_LINKINFO_GET`` ``ETHTOOL_SSET`` n/a ``ETHTOOL_GDRVINFO`` n/a ``ETHTOOL_GREGS`` n/a @@ -362,7 +395,7 @@ have their netlink replacement yet. ``ETHTOOL_STUNABLE`` n/a ``ETHTOOL_GPHYSTATS`` n/a ``ETHTOOL_PERQUEUE`` n/a - ``ETHTOOL_GLINKSETTINGS`` n/a + ``ETHTOOL_GLINKSETTINGS`` ``ETHTOOL_MSG_LINKINFO_GET`` ``ETHTOOL_SLINKSETTINGS`` n/a ``ETHTOOL_PHY_GTUNABLE`` n/a ``ETHTOOL_PHY_STUNABLE`` n/a |