netlink_packet_route/link/sriov/
vf_port.rs

1// SPDX-License-Identifier: MIT
2
3use netlink_packet_core::{
4    DecodeError, DefaultNla, Emitable, ErrorContext, Nla, NlaBuffer,
5    NlasIterator, Parseable,
6};
7
8#[derive(Debug, Clone, Eq, PartialEq)]
9pub(crate) struct VecLinkVfPort(pub(crate) Vec<LinkVfPort>);
10
11impl<'a, T: AsRef<[u8]> + ?Sized> Parseable<NlaBuffer<&'a T>>
12    for VecLinkVfPort
13{
14    fn parse(buf: &NlaBuffer<&'a T>) -> Result<Self, DecodeError> {
15        let mut nlas = vec![];
16        for nla in NlasIterator::new(buf.into_inner()) {
17            let nla = &nla.context(format!(
18                "invalid IFLA_VF_PORTS value: {:?}",
19                buf.value()
20            ))?;
21            if nla.kind() == IFLA_VF_PORT {
22                nlas.push(LinkVfPort::parse(&NlaBuffer::new_checked(
23                    nla.value(),
24                )?)?);
25            } else {
26                log::warn!(
27                    "BUG: Expecting IFLA_VF_PORT in IFLA_VF_PORTS, but got {}",
28                    nla.kind()
29                );
30            }
31        }
32        Ok(Self(nlas))
33    }
34}
35
36const IFLA_VF_PORT: u16 = 1;
37
38#[derive(Debug, Clone, Default, Eq, PartialEq)]
39pub struct LinkVfPort(pub Vec<VfPort>);
40
41impl Nla for LinkVfPort {
42    fn value_len(&self) -> usize {
43        self.0.as_slice().buffer_len()
44    }
45
46    fn emit_value(&self, buffer: &mut [u8]) {
47        self.0.as_slice().emit(buffer)
48    }
49
50    fn kind(&self) -> u16 {
51        IFLA_VF_PORT
52    }
53}
54
55impl<'a, T: AsRef<[u8]> + ?Sized> Parseable<NlaBuffer<&'a T>> for LinkVfPort {
56    fn parse(buf: &NlaBuffer<&'a T>) -> Result<Self, DecodeError> {
57        let mut nlas = vec![];
58        for nla in NlasIterator::new(buf.into_inner()) {
59            let nla = &nla.context(format!(
60                "invalid IFLA_VF_PORT value {:?}",
61                buf.value()
62            ))?;
63            nlas.push(VfPort::parse(nla)?);
64        }
65        Ok(Self(nlas))
66    }
67}
68
69/*
70const IFLA_PORT_VF: u16 = 1;
71const IFLA_PORT_PROFILE: u16 = 2;
72// No kernel code is accepting or generating IFLA_PORT_VSI_TYPE.
73// const IFLA_PORT_VSI_TYPE: u16 = 3;
74const IFLA_PORT_INSTANCE_UUID: u16 = 4;
75const IFLA_PORT_HOST_UUID: u16 = 5;
76const IFLA_PORT_REQUEST: u16 = 6;
77const IFLA_PORT_RESPONSE: u16 = 7;
78
79const UUID_LEN: usize = 16;
80*/
81
82#[derive(Debug, Clone, Eq, PartialEq)]
83#[non_exhaustive]
84pub enum VfPort {
85    //    Vf(u32),
86    //    Profile(String),
87    //    InstanceUuid([u8; UUID_LEN]),
88    //    HostUuid([u8; UUID_LEN]),
89    //    Request(u8),
90    Other(DefaultNla),
91}
92
93impl Nla for VfPort {
94    fn value_len(&self) -> usize {
95        match self {
96            Self::Other(v) => v.value_len(),
97        }
98    }
99
100    fn emit_value(&self, buffer: &mut [u8]) {
101        match self {
102            Self::Other(attr) => attr.emit_value(buffer),
103        }
104    }
105
106    fn kind(&self) -> u16 {
107        match self {
108            Self::Other(v) => v.kind(),
109        }
110    }
111}
112
113impl<'a, T: AsRef<[u8]> + ?Sized> Parseable<NlaBuffer<&'a T>> for VfPort {
114    fn parse(buf: &NlaBuffer<&'a T>) -> Result<Self, DecodeError> {
115        let payload = buf.value();
116        #[allow(clippy::match_single_binding)]
117        Ok(match buf.kind() {
118            kind => Self::Other(DefaultNla::parse(buf).context(format!(
119                "failed to parse {kind} as DefaultNla: {payload:?}"
120            ))?),
121        })
122    }
123}
netlink_packet_route/link/sriov/vf_port.rs

netlink_packet_route/link/sriov/
vf_port.rs
