root@n9# ethtool -h

ethtool version 3.10
Usage:
        ethtool DEVNAME    Display standard information about device
        ethtool -s|--change DEVNAME    Change generic options
        [ speed %d ]
        [ duplex half|full ]
        [ port tp|aui|bnc|mii|fibre ]
        [ mdix auto|on|off ]
        [ autoneg on|off ]
        [ advertise %x ]
        [ phyad %d ]
        [ xcvr internal|external ]
        [ wol p|u|m|b|a|g|s|d... ]
        [ sopass %x:%x:%x:%x:%x:%x ]
        [ msglvl %d | msglvl type on|off ... ]
        ethtool -a|--show-pause DEVNAME    Show pause options
        ethtool -A|--pause DEVNAME    Set pause options
        [ autoneg on|off ]
        [ rx on|off ]
        [ tx on|off ]
        ethtool -c|--show-coalesce DEVNAME    Show coalesce options
        ethtool -C|--coalesce DEVNAME    Set coalesce options
        [adaptive-rx on|off]
        [adaptive-tx on|off]
        [rx-usecs N]
        [rx-frames N]
        [rx-usecs-irq N]
        [rx-frames-irq N]
        [tx-usecs N]
        [tx-frames N]
        [tx-usecs-irq N]
        [tx-frames-irq N]
        [stats-block-usecs N]
        [pkt-rate-low N]
        [rx-usecs-low N]
        [rx-frames-low N]
        [tx-usecs-low N]
        [tx-frames-low N]
        [pkt-rate-high N]
        [rx-usecs-high N]
        [rx-frames-high N]
        [tx-usecs-high N]
        [tx-frames-high N]
        [sample-interval N]
        ethtool -g|--show-ring DEVNAME    Query RX/TX ring parameters
        ethtool -G|--set-ring DEVNAME    Set RX/TX ring parameters
        [ rx N ]
        [ rx-mini N ]
        [ rx-jumbo N ]
        [ tx N ]
        ethtool -k|--show-features|--show-offload DEVNAME    Get state of protocol offload and other features
        ethtool -K|--features|--offload DEVNAME    Set protocol offload and other features
        FEATURE on|off ...
        ethtool -i|--driver DEVNAME    Show driver information
        ethtool -d|--register-dump DEVNAME    Do a register dump
        [ raw on|off ]
        [ file FILENAME ]
        ethtool -e|--eeprom-dump DEVNAME    Do a EEPROM dump
        [ raw on|off ]
        [ offset N ]
        [ length N ]
        ethtool -E|--change-eeprom DEVNAME    Change bytes in device EEPROM
        [ magic N ]
        [ offset N ]
        [ length N ]
        [ value N ]
        ethtool -r|--negotiate DEVNAME    Restart N-WAY negotiation
        ethtool -p|--identify DEVNAME    Show visible port identification (e.g. blinking)
               [ TIME-IN-SECONDS ]
        ethtool -t|--test DEVNAME    Execute adapter self test
               [ online | offline | external_lb ]
        ethtool -S|--statistics DEVNAME    Show adapter statistics
        ethtool -n|-u|--show-nfc|--show-ntuple DEVNAME    Show Rx network flow classification options or rules
        [ rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|tcp6|udp6|ah6|esp6|sctp6 |
          rule %d ]
        ethtool -N|-U|--config-nfc|--config-ntuple DEVNAME    Configure Rx network flow classification options or rules
        rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|tcp6|udp6|ah6|esp6|sctp6 m|v|t|s|d|f|n|r... |
        flow-type ether|ip4|tcp4|udp4|sctp4|ah4|esp4
            [ src %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]
            [ dst %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]
            [ proto %d [m %x] ]
            [ src-ip %d.%d.%d.%d [m %d.%d.%d.%d] ]
            [ dst-ip %d.%d.%d.%d [m %d.%d.%d.%d] ]
            [ tos %d [m %x] ]
            [ l4proto %d [m %x] ]
            [ src-port %d [m %x] ]
            [ dst-port %d [m %x] ]
            [ spi %d [m %x] ]
            [ vlan-etype %x [m %x] ]
            [ vlan %x [m %x] ]
            [ user-def %x [m %x] ]
            [ dst-mac %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]
            [ action %d ]
            [ loc %d]] |
        delete %d
        ethtool -T|--show-time-stamping DEVNAME    Show time stamping capabilities
        ethtool -x|--show-rxfh-indir DEVNAME    Show Rx flow hash indirection
        ethtool -X|--set-rxfh-indir DEVNAME    Set Rx flow hash indirection
        equal N | weight W0 W1 ...
        ethtool -f|--flash DEVNAME    Flash firmware image from the specified file to a region on the device
               FILENAME [ REGION-NUMBER-TO-FLASH ]
        ethtool -P|--show-permaddr DEVNAME    Show permanent hardware address
        ethtool -w|--get-dump DEVNAME    Get dump flag, data
        [ data FILENAME ]
        ethtool -W|--set-dump DEVNAME    Set dump flag of the device
        N
        ethtool -l|--show-channels DEVNAME    Query Channels
        ethtool -L|--set-channels DEVNAME    Set Channels
               [ rx N ]
               [ tx N ]
               [ other N ]
               [ combined N ]
        ethtool --show-priv-flags DEVNAME    Query private flags
        ethtool --set-priv-flags DEVNAME    Set private flags
        FLAG on|off ...
        ethtool -m|--dump-module-eeprom|--module-info DEVNAME    Query/Decode Module EEPROM information and optical diagnostics if available
        [ raw on|off ]
        [ hex on|off ]
        [ offset N ]
        [ length N ]
        ethtool --show-eee DEVNAME    Show EEE settings
        ethtool --set-eee DEVNAME    Set EEE settings
        [ eee on|off ]
        [ advertise %x ]
        [ tx-lpi on|off ]
        [ tx-timer %d ]
        ethtool -h|--help         Show this help
        ethtool --version         Show version number
root@n9#