netlink_packet_route/link/link_info/
xstats.rs

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