netlink_packet_route/link/link_info/
xstats.rs

1// SPDX-License-Identifier: MIT
2
3use netlink_packet_utils::{
4    nla::NlaBuffer, DecodeError, Emitable, ParseableParametrized,
5};
6
7use crate::link::InfoKind;
8
9// This is filled by driver via `struct rtnl_link_ops.fill_xstats`
10// Currently(Linux kernel 6.5.8), only the `can` interface support so.
11#[derive(Debug, PartialEq, Eq, Clone)]
12#[non_exhaustive]
13pub enum LinkXstats {
14    Other(Vec<u8>),
15}
16
17impl Emitable for LinkXstats {
18    fn buffer_len(&self) -> usize {
19        match self {
20            Self::Other(v) => v.len(),
21        }
22    }
23
24    fn emit(&self, buffer: &mut [u8]) {
25        match self {
26            Self::Other(v) => buffer.copy_from_slice(v.as_slice()),
27        }
28    }
29}
30
31impl<'a, T: AsRef<[u8]> + ?Sized>
32    ParseableParametrized<NlaBuffer<&'a T>, &InfoKind> for LinkXstats
33{
34    fn parse_with_param(
35        buf: &NlaBuffer<&'a T>,
36        _kind: &InfoKind,
37    ) -> Result<Self, DecodeError> {
38        Ok(Self::Other(buf.value().to_vec()))
39    }
40}