|
|
|
@ -228,6 +228,8 @@ define_link_wrapper!(
|
|
|
|
|
TcLinkId
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
/// SchedClassifier link is the link type used by [`SchedClassifier`] programs.
|
|
|
|
|
///
|
|
|
|
|
/// # Examples
|
|
|
|
|
///
|
|
|
|
|
/// ```no_run
|
|
|
|
@ -246,37 +248,27 @@ define_link_wrapper!(
|
|
|
|
|
/// # tc::qdisc_add_clsact("eth0")?;
|
|
|
|
|
/// # let prog: &mut SchedClassifier = bpf.program_mut("redirect_ingress").unwrap().try_into()?;
|
|
|
|
|
/// # prog.load()?;
|
|
|
|
|
/// #
|
|
|
|
|
/// # use aya::programs::tc::{SchedClassifierLink};
|
|
|
|
|
/// # use aya::programs::{tc, Link, SchedClassifier, TcAttachType};
|
|
|
|
|
///
|
|
|
|
|
/// use aya::programs::tc::{SchedClassifierLink};
|
|
|
|
|
/// use aya::programs::{tc, Link, SchedClassifier, TcAttachType};
|
|
|
|
|
///
|
|
|
|
|
/// // SchedClassifier::attach returns a SchedClassifierLinkId that can be used to
|
|
|
|
|
/// // detach the program.
|
|
|
|
|
/// let tc_link_id = prog.attach("eth0", TcAttachType::Ingress)?;
|
|
|
|
|
///
|
|
|
|
|
/// // The user may take ownership of the lifetime of a link using
|
|
|
|
|
/// // SchedClassifier::take_link, which returns a SchedClassifierLink
|
|
|
|
|
/// let tc_link = prog.take_link(tc_link_id)?;
|
|
|
|
|
///
|
|
|
|
|
/// // Once ownership is taken, SchedClassifierLink::detach can be used to detach the
|
|
|
|
|
/// // link. If needed, the link can be reconstructed via the SchedClassifierLink::new
|
|
|
|
|
/// // using the if_name, attach_type, priority, and handle. The user knows the first
|
|
|
|
|
/// // two because they were required to execute attach(); however, the user may not
|
|
|
|
|
/// // know the priority, and/or handle if they let the system choose them as happens
|
|
|
|
|
/// // with SchedClassifier::attach. If needed, These items may be retrieved as follows:
|
|
|
|
|
/// // The priority and handle assigned during attach can be accessed as follows:
|
|
|
|
|
/// let priority = tc_link.priority();
|
|
|
|
|
/// let handle = tc_link.handle();
|
|
|
|
|
///
|
|
|
|
|
/// // Then, the link can be reconstructed as follows:
|
|
|
|
|
/// // A new SchedClassifierLink can be constructed to access an existing attachment
|
|
|
|
|
/// let tc_link = SchedClassifierLink::new("eth0", TcAttachType::Ingress, priority, handle)?;
|
|
|
|
|
///
|
|
|
|
|
/// // And, the user can then detatch the link as follows:
|
|
|
|
|
/// tc_link.detach()?;
|
|
|
|
|
///
|
|
|
|
|
/// # Ok::<(), Error>(())
|
|
|
|
|
/// ```
|
|
|
|
|
impl SchedClassifierLink {
|
|
|
|
|
/// Creates a new `SchedClassifierLink` instance
|
|
|
|
|
/// Creates a new link from the provided values.
|
|
|
|
|
pub fn new(
|
|
|
|
|
if_name: &str,
|
|
|
|
|
attach_type: TcAttachType,
|
|
|
|
@ -293,12 +285,12 @@ impl SchedClassifierLink {
|
|
|
|
|
}))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Returns the `priority` for a `SchedClassifierLink`
|
|
|
|
|
/// Returns the allocated priority. This may be different to what was provided to [`SchedClassifier::attach`].
|
|
|
|
|
pub fn priority(&self) -> u16 {
|
|
|
|
|
self.0.priority
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Returns the `handle` for a `SchedClassifierLink`
|
|
|
|
|
/// Returns the assigned handle. This was auto-generated if none was supplied to [`SchedClassifier::attach`].
|
|
|
|
|
pub fn handle(&self) -> u32 {
|
|
|
|
|
self.0.handle
|
|
|
|
|
}
|
|
|
|
|