Refactor(netlink): Replaces zerocopy with bytemuck

Migrates from `zerocopy` to `bytemuck` for improved data serialization and deserialization in netlink communication. This enhances maintainability.
This commit is contained in:
Nils Andreas Svee committed 2026-02-21 19:09:10 +07:00
1 parent 5838b0b9ee
commit 6a49ad9112
3 files changed
+29 -31

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+7 -7
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@@ -1,3 +1,5 @@
use bytemuck::AnyBitPattern;
use bytemuck::checked::{CheckedCastError, try_from_bytes};
use neli::consts::nl::NlmF;
use neli::consts::rtnl::{Arphrd, Iff, Ifla, RtAddrFamily, Rtm, Tca};
use neli::consts::socket::NlFamily;
@@ -10,13 +12,11 @@ use neli::utils::Groups;
use std::io;
use std::str::Utf8Error;
use thiserror::Error;
use zerocopy::FromBytes;
use zerocopy_derive::{FromBytes, Immutable, KnownLayout};
#[derive(Debug, Error)]
pub enum NetlinkError {
#[error("Couldn't deserialize to struct: {0}")]
Deserialization(String),
Deserialization(CheckedCastError),
#[error("Couldn't find intreface `{0}`")]
InterfaceNotFound(String),
@@ -52,7 +52,7 @@ pub struct Qdisc {
parent: u32,
}
#[derive(Copy, Clone, Default, Debug, FromBytes, Immutable, KnownLayout)]
#[derive(AnyBitPattern, Copy, Clone, Default, Debug)]
#[repr(C)]
pub struct RtnlLinkStats64 {
pub rx_packets: u64,
@@ -172,10 +172,10 @@ impl Netlink {
for attr in p.rtattrs().iter() {
if attr.rta_type() == &Ifla::Stats64 {
let buf = attr.rta_payload().as_ref();
let stats = RtnlLinkStats64::read_from_bytes(buf)
.map_err(|e| NetlinkError::Deserialization(e.to_string()))?;
let stats: &RtnlLinkStats64 = try_from_bytes::<RtnlLinkStats64>(buf)
.map_err(|e| NetlinkError::Deserialization(e))?;
return Ok(stats);
return Ok(stats.clone());
}
}
}