diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ethtool-netlink.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index 34254482d295..04c55be0264c 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -182,6 +182,7 @@ Userspace to kernel: ``ETHTOOL_MSG_STRSET_GET`` get string set ``ETHTOOL_MSG_LINKINFO_GET`` get link settings ``ETHTOOL_MSG_LINKINFO_SET`` set link settings + ``ETHTOOL_MSG_LINKMODES_GET`` get link modes info ===================================== ================================ Kernel to userspace: @@ -190,6 +191,7 @@ Kernel to userspace: ``ETHTOOL_MSG_STRSET_GET_REPLY`` string set contents ``ETHTOOL_MSG_LINKINFO_GET_REPLY`` link settings ``ETHTOOL_MSG_LINKINFO_NTF`` link settings notification + ``ETHTOOL_MSG_LINKMODES_GET_REPLY`` link modes info ===================================== ================================ ``GET`` requests are sent by userspace applications to retrieve device @@ -332,6 +334,38 @@ MDI(-X) status and transceiver cannot be set, request with the corresponding attributes is rejected. +LINKMODES_GET +============= + +Requests link modes (supported, advertised and peer advertised) and related +information (autonegotiation status, link speed and duplex) as provided by +``ETHTOOL_GLINKSETTINGS``. The request does not use any attributes. + +Request contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_LINKMODES_HEADER`` nested request header + ==================================== ====== ========================== + +Kernel response contents: + + ==================================== ====== ========================== + ``ETHTOOL_A_LINKMODES_HEADER`` nested reply header + ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status + ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes + ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes + ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s) + ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode + ==================================== ====== ========================== + +For ``ETHTOOL_A_LINKMODES_OURS``, value represents advertised modes and mask +represents supported modes. ``ETHTOOL_A_LINKMODES_PEER`` in the reply is a bit +list. + +``LINKMODES_GET`` allows dump requests (kernel returns reply messages for all +devices supporting the request). + + Request translation =================== @@ -343,6 +377,7 @@ have their netlink replacement yet. ioctl command netlink command =================================== ===================================== ``ETHTOOL_GSET`` ``ETHTOOL_MSG_LINKINFO_GET`` + ``ETHTOOL_MSG_LINKMODES_GET`` ``ETHTOOL_SSET`` ``ETHTOOL_MSG_LINKINFO_SET`` ``ETHTOOL_GDRVINFO`` n/a ``ETHTOOL_GREGS`` n/a @@ -417,6 +452,7 @@ have their netlink replacement yet. ``ETHTOOL_GPHYSTATS`` n/a ``ETHTOOL_PERQUEUE`` n/a ``ETHTOOL_GLINKSETTINGS`` ``ETHTOOL_MSG_LINKINFO_GET`` + ``ETHTOOL_MSG_LINKMODES_GET`` ``ETHTOOL_SLINKSETTINGS`` ``ETHTOOL_MSG_LINKINFO_SET`` ``ETHTOOL_PHY_GTUNABLE`` n/a ``ETHTOOL_PHY_STUNABLE`` n/a |