netlink_packet_route/link/sriov/
mac.rs

1// SPDX-License-Identifier: MIT
2
3use netlink_packet_core::{DecodeError, Emitable, Parseable};
4
5const MAX_ADDR_LEN: usize = 32;
6
7const VF_INFO_MAC_LEN: usize = MAX_ADDR_LEN + 4;
8
9#[derive(Debug, Clone, Copy, Eq, PartialEq, Default)]
10#[non_exhaustive]
11pub struct VfInfoMac {
12    pub vf_id: u32,
13    pub mac: [u8; MAX_ADDR_LEN],
14}
15
16impl VfInfoMac {
17    pub fn new(vf_id: u32, mac: &[u8]) -> Self {
18        let mut ret = Self {
19            vf_id,
20            ..Default::default()
21        };
22        if mac.len() >= MAX_ADDR_LEN {
23            ret.mac.copy_from_slice(&mac[..MAX_ADDR_LEN]);
24        } else {
25            ret.mac[..mac.len()].copy_from_slice(mac);
26        }
27        ret
28    }
29}
30
31buffer!(VfInfoMacBuffer(VF_INFO_MAC_LEN) {
32    vf_id: (u32, 0..4),
33    mac: (slice, 4..VF_INFO_MAC_LEN),
34});
35
36impl<T: AsRef<[u8]> + ?Sized> Parseable<VfInfoMacBuffer<&T>> for VfInfoMac {
37    fn parse(buf: &VfInfoMacBuffer<&T>) -> Result<Self, DecodeError> {
38        Ok(Self::new(buf.vf_id(), buf.mac()))
39    }
40}
41
42impl Emitable for VfInfoMac {
43    fn buffer_len(&self) -> usize {
44        VF_INFO_MAC_LEN
45    }
46
47    fn emit(&self, buffer: &mut [u8]) {
48        let mut buffer = VfInfoMacBuffer::new(buffer);
49        buffer.set_vf_id(self.vf_id);
50        buffer.mac_mut().copy_from_slice(&self.mac);
51    }
52}
netlink_packet_route/link/sriov/mac.rs

netlink_packet_route/link/sriov/
mac.rs
