Defined Type: interface::ring

Defined in:
modules/interface/manifests/ring.pp

Overview

SPDX-License-Identifier: Apache-2.0 Definition: interface::ring

Sets interface ring parameters (with ethtool)

Parameters:

  • $interface: The network interface to operate on

  • $setting: The ring to resize (tx, rx, rx-mini, rx-jumbo)

  • $value: The new ring size

Note this doesn't check/set at runtime, because at least with

some drivers that restarts the interface and causes some traffic loss

Parameters:

  • interface (Any)
  • setting (Any)
  • value (Any) 


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# File 'modules/interface/manifests/ring.pp', line 16

define interface::ring($interface, $setting, $value) {
    # Set in /etc/network/interfaces
    interface::setting { $name:
        interface => $interface,
        setting   => "hardware-dma-ring-${setting}",
        value     => $value,
    }

    # Change setting manually if Augeas made a real change
    exec { "ethtool ${interface} -g ${setting} ${value}":
        path        => '/usr/bin:/usr/sbin:/bin:/sbin',
        command     => "ethtool -G ${interface} ${setting} ${value}",
        subscribe   => Augeas["${interface}_${title}"],
        refreshonly => true,
        require     => Package['ethtool'],
    }
}