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// This file is part of linux-support. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT. No part of linux-support, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2020 The developers of linux-support. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT.
#[repr(C)]
#[derive(Debug)]
pub(crate) struct ethtool_tunable<T: Tunable>
{
/// Value is always:-
///
/// * either `ETHTOOL_GTUNABLE` or `ETHTOOL_STUNABLE`.
/// * either `ETHTOOL_PHY_GTUNABLE` or `ETHTOOL_PHY_STUNABLE`.
pub(crate) cmd: u32,
pub(crate) id: TunableIdentifier,
pub(crate) type_id: tunable_type_id,
len: u32,
// In practice is always either an u16 or an u8.
pub(crate) data: T,
}
impl<T: Tunable> EthtoolCommand for ethtool_tunable<T>
{
#[inline(always)]
fn command(&self) -> u32
{
self.cmd
}
}
impl<T: Tunable> ethtool_tunable<T>
{
#[inline(always)]
pub(crate) fn new_get() -> Self
{
Self
{
cmd: T::Commands.commands().0,
id: T::Identifier,
type_id: T::TypeIdentifier,
len: size_of::<T>() as u32,
data: unsafe_zeroed(),
}
}
#[inline(always)]
pub(crate) fn new_set(tunable: T) -> Self
{
Self
{
cmd: T::Commands.commands().1,
id: T::Identifier,
type_id: T::TypeIdentifier,
len: size_of::<T>() as u32,
data: tunable,
}
}
}