netlink-packet-route 0.30.0

netlink packet types
Documentation 
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// SPDX-License-Identifier: MIT

use netlink_packet_core::{Emitable, Parseable};

use crate::{
    link::{
        link_flag::LinkFlags, AfSpecMctp, AfSpecUnspec, LinkAttribute,
        LinkHeader, LinkLayerType, LinkMessage, LinkMessageBuffer, LinkMode,
        LinkXdp, Map, MctpPhysBinding, State, Stats, Stats64, XdpAttached,
    },
    AddressFamily,
};

#[test]
fn test_empty_af_spec() {
    let raw = vec![
        0x00, 0x00, 0x01, 0x00, 0x04, 0x00, 0x00, 0x00, 0x02, 0x10, 0x00, 0x00,
        0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x0d, 0x00, 0xe8, 0x03, 0x00, 0x00,
        0x05, 0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x05, 0x00, 0x11, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x04, 0x00, 0xdc, 0x05, 0x00, 0x00,
        0x08, 0x00, 0x32, 0x00, 0x44, 0x00, 0x00, 0x00, 0x08, 0x00, 0x33, 0x00,
        0xdc, 0x05, 0x00, 0x00, 0x08, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x08, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x3d, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x1f, 0x00, 0x04, 0x00, 0x00, 0x00,
        0x08, 0x00, 0x28, 0x00, 0xff, 0xff, 0x00, 0x00, 0x08, 0x00, 0x29, 0x00,
        0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x3a, 0x00, 0x00, 0x00, 0x01, 0x00,
        0x08, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x40, 0x00,
        0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x3b, 0x00, 0x00, 0x00, 0x01, 0x00,
        0x08, 0x00, 0x3c, 0x00, 0xff, 0xff, 0x00, 0x00, 0x08, 0x00, 0x20, 0x00,
        0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x08, 0x00, 0x23, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08, 0x00, 0x2f, 0x00,
        0x03, 0x00, 0x00, 0x00, 0x08, 0x00, 0x30, 0x00, 0x03, 0x00, 0x00, 0x00,
        0x05, 0x00, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x02, 0x00,
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0xcc, 0x00, 0x17, 0x00,
        0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x37, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x4a, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x64, 0x00, 0x07, 0x00,
        0x26, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x37, 0x10, 0x00, 0x00,
        0x4a, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x03, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x0c, 0x00, 0x2b, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x09, 0x00, 0x06, 0x00, 0x6e, 0x6f, 0x6f, 0x70, 0x00, 0x00, 0x00, 0x00,
        0x04, 0x00, 0x1a, 0x00, 0x24, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00,
    ];

    let expected = LinkMessage {
        header: LinkHeader {
            interface_family: AddressFamily::Unspec,
            index: 4,
            link_layer_type: LinkLayerType::Ether,
            flags: LinkFlags::Broadcast | LinkFlags::Multicast,
            change_mask: LinkFlags::Up
                | LinkFlags::Broadcast
                | LinkFlags::Debug
                | LinkFlags::Loopback
                | LinkFlags::Pointopoint
                | LinkFlags::Notrailers
                | LinkFlags::Running
                | LinkFlags::Noarp
                | LinkFlags::Promisc
                | LinkFlags::Allmulti
                | LinkFlags::Controller
                | LinkFlags::Port
                | LinkFlags::Multicast
                | LinkFlags::Portsel
                | LinkFlags::Automedia
                | LinkFlags::Dynamic
                | LinkFlags::LowerUp
                | LinkFlags::Dormant
                | LinkFlags::Echo
                | LinkFlags::from_bits_retain(0xfff80000),
        },
        attributes: vec![
            LinkAttribute::TxQueueLen(1000),
            LinkAttribute::OperState(State::Down),
            LinkAttribute::Mode(LinkMode::Default),
            LinkAttribute::Mtu(1500),
            LinkAttribute::MinMtu(68),
            LinkAttribute::MaxMtu(1500),
            LinkAttribute::Group(0),
            LinkAttribute::Promiscuity(0),
            LinkAttribute::AllMulticast(0),
            LinkAttribute::NumTxQueues(4),
            LinkAttribute::GsoMaxSegs(65535),
            LinkAttribute::GsoMaxSize(65536),
            LinkAttribute::GroMaxSize(65536),
            LinkAttribute::GsoIpv4MaxSize(65536),
            LinkAttribute::GroIpv4MaxSize(65536),
            LinkAttribute::TsoMaxSize(65536),
            LinkAttribute::TsoMaxSegs(65535),
            LinkAttribute::NumRxQueues(4),
            LinkAttribute::Carrier(0),
            LinkAttribute::CarrierChanges(6),
            LinkAttribute::CarrierUpCount(3),
            LinkAttribute::CarrierDownCount(3),
            LinkAttribute::ProtoDown(0),
            LinkAttribute::Broadcast(vec![255, 255, 255, 255, 255, 255]),
            LinkAttribute::Stats64(Stats64 {
                rx_packets: 38,
                tx_packets: 32,
                rx_bytes: 4151,
                tx_bytes: 3914,
                rx_errors: 0,
                tx_errors: 0,
                rx_dropped: 3,
                tx_dropped: 11,
                multicast: 0,
                collisions: 0,
                rx_length_errors: 0,
                rx_over_errors: 0,
                rx_crc_errors: 0,
                rx_frame_errors: 0,
                rx_fifo_errors: 0,
                rx_missed_errors: 0,
                tx_aborted_errors: 0,
                tx_carrier_errors: 0,
                tx_fifo_errors: 0,
                tx_heartbeat_errors: 0,
                tx_window_errors: 0,
                rx_compressed: 0,
                tx_compressed: 0,
                rx_nohandler: 0,
                rx_otherhost_dropped: 0,
            }),
            LinkAttribute::Stats(Stats {
                rx_packets: 38,
                tx_packets: 32,
                rx_bytes: 4151,
                tx_bytes: 3914,
                rx_errors: 0,
                tx_errors: 0,
                rx_dropped: 3,
                tx_dropped: 11,
                multicast: 0,
                collisions: 0,
                rx_length_errors: 0,
                rx_over_errors: 0,
                rx_crc_errors: 0,
                rx_frame_errors: 0,
                rx_fifo_errors: 0,
                rx_missed_errors: 0,
                tx_aborted_errors: 0,
                tx_carrier_errors: 0,
                tx_fifo_errors: 0,
                tx_heartbeat_errors: 0,
                tx_window_errors: 0,
                rx_compressed: 0,
                tx_compressed: 0,
                rx_nohandler: 0,
            }),
            LinkAttribute::Xdp(vec![LinkXdp::Attached(XdpAttached::None)]),
            LinkAttribute::Qdisc("noop".into()),
            LinkAttribute::AfSpecUnspec(vec![]), // empty
            LinkAttribute::Map(Map {
                memory_start: 0,
                memory_end: 0,
                base_address: 0,
                irq: 0,
                dma: 0,
                port: 0,
            }),
        ],
    };

    assert_eq!(
        expected,
        LinkMessage::parse(&LinkMessageBuffer::new(&raw)).unwrap()
    );

    let mut buf = vec![0; expected.buffer_len()];

    expected.emit(&mut buf);

    assert_eq!(buf, raw);
}

#[test]
fn test_af_spec_mctp_net() {
    #[rustfmt::skip]
    let raw = vec![
        0x00, // interface family AF_UNSPEC
        0x00, // reserved 1
        0x22, 0x01, // link layer type ARPHDR_MCTP
        0x01, 0x00, 0x00, 0x00, // interface index = 1
        0x81, 0x00, 0x01, 0x00, // flags: UP|NOARP|LOWERUP
        0x00, 0x00, 0x00, 0x00, // reserved 2
        // attributes
        0x08, 0x00, 0x03, 0x00, 0x6d, 0x63, 0x30, 0x00, // name: mc0
        0x10, 0x00, 0x1a, 0x00, // IFLA_AF_SPEC
            0x0c, 0x00, 0x2d, 0x00, // AF_MCTP
                0x08, 0x00, 0x01, 0x00, // IFLA_MCTP_NET
                0x01, 0x00, 0x00, 0x00, //   = 1

    ];
    let expected = LinkMessage {
        header: LinkHeader {
            interface_family: AddressFamily::Unspec,
            index: 1,
            link_layer_type: LinkLayerType::Mctp,
            flags: LinkFlags::Up | LinkFlags::Noarp | LinkFlags::LowerUp,
            change_mask: LinkFlags::empty(),
        },
        attributes: vec![
            LinkAttribute::IfName(String::from("mc0")),
            LinkAttribute::AfSpecUnspec(vec![AfSpecUnspec::Mctp(vec![
                AfSpecMctp::Net(1),
            ])]),
        ],
    };

    assert_eq!(
        expected,
        LinkMessage::parse(&LinkMessageBuffer::new(&raw)).unwrap()
    );

    let mut buf = vec![0; expected.buffer_len()];

    expected.emit(&mut buf);

    assert_eq!(buf, raw);
}

#[test]
fn test_af_spec_mctp_binding() {
    #[rustfmt::skip]
    let raw = vec![
        0x00, // interface family AF_UNSPEC
        0x00, // reserved 1
        0x22, 0x01, // link layer type ARPHDR_MCTP
        0x01, 0x00, 0x00, 0x00, // interface index = 1
        0x81, 0x00, 0x01, 0x00, // flags: UP|NOARP|LOWERUP
        0x00, 0x00, 0x00, 0x00, // reserved 2
        // attributes
        0x08, 0x00, 0x03, 0x00, 0x6d, 0x63, 0x30, 0x00, // name: mc0
        0x10, 0x00, 0x1a, 0x00, // IFLA_AF_SPEC
            0x0c, 0x00, 0x2d, 0x00, // AF_MCTP
                0x05, 0x00, 0x02, 0x00, // IFLA_MCTP_PHYS_BINDING
                    0x01,               // = SMBus
                0x00, 0x00, 0x00, // pad
    ];
    let expected = LinkMessage {
        header: LinkHeader {
            interface_family: AddressFamily::Unspec,
            index: 1,
            link_layer_type: LinkLayerType::Mctp,
            flags: LinkFlags::Up | LinkFlags::Noarp | LinkFlags::LowerUp,
            change_mask: LinkFlags::empty(),
        },
        attributes: vec![
            LinkAttribute::IfName(String::from("mc0")),
            LinkAttribute::AfSpecUnspec(vec![AfSpecUnspec::Mctp(vec![
                AfSpecMctp::PhysBinding(MctpPhysBinding::Smbus),
            ])]),
        ],
    };

    assert_eq!(
        expected,
        LinkMessage::parse(&LinkMessageBuffer::new(&raw)).unwrap()
    );

    let mut buf = vec![0; expected.buffer_len()];

    expected.emit(&mut buf);

    assert_eq!(buf, raw);
}