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Diffstat (limited to 'Documentation/networking/ethtool-netlink.rst')
| -rw-r--r-- | Documentation/networking/ethtool-netlink.rst | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index d578b8bcd8a4..f10f8eb44255 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -222,6 +222,7 @@ Userspace to kernel: ``ETHTOOL_MSG_MODULE_GET`` get transceiver module parameters ``ETHTOOL_MSG_PSE_SET`` set PSE parameters ``ETHTOOL_MSG_PSE_GET`` get PSE parameters + ``ETHTOOL_MSG_RSS_GET`` get RSS settings ===================================== ================================= Kernel to userspace: @@ -263,6 +264,7 @@ Kernel to userspace: ``ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY`` PHC virtual clocks info ``ETHTOOL_MSG_MODULE_GET_REPLY`` transceiver module parameters ``ETHTOOL_MSG_PSE_GET_REPLY`` PSE parameters + ``ETHTOOL_MSG_RSS_GET_REPLY`` RSS settings ======================================== ================================= ``GET`` requests are sent by userspace applications to retrieve device @@ -491,6 +493,7 @@ Kernel response contents: ``ETHTOOL_A_LINKSTATE_SQI_MAX`` u32 Max support SQI value ``ETHTOOL_A_LINKSTATE_EXT_STATE`` u8 link extended state ``ETHTOOL_A_LINKSTATE_EXT_SUBSTATE`` u8 link extended substate + ``ETHTOOL_A_LINKSTATE_EXT_DOWN_CNT`` u32 count of link down events ==================================== ====== ============================ For most NIC drivers, the value of ``ETHTOOL_A_LINKSTATE_LINK`` returns @@ -1686,6 +1689,33 @@ to control PoDL PSE Admin functions. This option is implementing ``IEEE 802.3-2018`` 30.15.1.2.1 acPoDLPSEAdminControl. See ``ETHTOOL_A_PODL_PSE_ADMIN_STATE`` for supported values. +RSS_GET +======= + +Get indirection table, hash key and hash function info associated with a +RSS context of an interface similar to ``ETHTOOL_GRSSH`` ioctl request. + +Request contents: + +===================================== ====== ========================== + ``ETHTOOL_A_RSS_HEADER`` nested request header + ``ETHTOOL_A_RSS_CONTEXT`` u32 context number +===================================== ====== ========================== + +Kernel response contents: + +===================================== ====== ========================== + ``ETHTOOL_A_RSS_HEADER`` nested reply header + ``ETHTOOL_A_RSS_HFUNC`` u32 RSS hash func + ``ETHTOOL_A_RSS_INDIR`` binary Indir table bytes + ``ETHTOOL_A_RSS_HKEY`` binary Hash key bytes +===================================== ====== ========================== + +ETHTOOL_A_RSS_HFUNC attribute is bitmap indicating the hash function +being used. Current supported options are toeplitz, xor or crc32. +ETHTOOL_A_RSS_INDIR attribute returns RSS indrection table where each byte +indicates queue number. + Request translation =================== @@ -1767,7 +1797,7 @@ are netlink only. ``ETHTOOL_GMODULEEEPROM`` ``ETHTOOL_MSG_MODULE_EEPROM_GET`` ``ETHTOOL_GEEE`` ``ETHTOOL_MSG_EEE_GET`` ``ETHTOOL_SEEE`` ``ETHTOOL_MSG_EEE_SET`` - ``ETHTOOL_GRSSH`` n/a + ``ETHTOOL_GRSSH`` ``ETHTOOL_MSG_RSS_GET`` ``ETHTOOL_SRSSH`` n/a ``ETHTOOL_GTUNABLE`` n/a ``ETHTOOL_STUNABLE`` n/a |