netlink_packet_route/rtnl/tc/nlas/
stats.rs

1// SPDX-License-Identifier: MIT
2
3use netlink_packet_utils::{
4    traits::{Emitable, Parseable},
5    DecodeError,
6};
7
8/// Generic queue statistics
9#[derive(Debug, PartialEq, Eq, Clone, Copy)]
10#[non_exhaustive]
11pub struct Stats {
12    /// Number of enqueued bytes
13    pub bytes: u64,
14    /// Number of enqueued packets
15    pub packets: u32,
16    /// Packets dropped because of lack of resources
17    pub drops: u32,
18    /// Number of throttle events when this flow goes out of allocated
19    /// bandwidth
20    pub overlimits: u32,
21    /// Current flow byte rate
22    pub bps: u32,
23    /// Current flow packet rate
24    pub pps: u32,
25    pub qlen: u32,
26    pub backlog: u32,
27}
28
29pub const STATS_LEN: usize = 36;
30
31buffer!(StatsBuffer(STATS_LEN) {
32    bytes: (u64, 0..8),
33    packets: (u32, 8..12),
34    drops: (u32, 12..16),
35    overlimits: (u32, 16..20),
36    bps: (u32, 20..24),
37    pps: (u32, 24..28),
38    qlen: (u32, 28..32),
39    backlog: (u32, 32..36),
40});
41
42impl<T: AsRef<[u8]>> Parseable<StatsBuffer<T>> for Stats {
43    fn parse(buf: &StatsBuffer<T>) -> Result<Self, DecodeError> {
44        Ok(Self {
45            bytes: buf.bytes(),
46            packets: buf.packets(),
47            drops: buf.drops(),
48            overlimits: buf.overlimits(),
49            bps: buf.bps(),
50            pps: buf.pps(),
51            qlen: buf.qlen(),
52            backlog: buf.backlog(),
53        })
54    }
55}
56
57impl Emitable for Stats {
58    fn buffer_len(&self) -> usize {
59        STATS_LEN
60    }
61
62    fn emit(&self, buffer: &mut [u8]) {
63        let mut buffer = StatsBuffer::new(buffer);
64        buffer.set_bytes(self.bytes);
65        buffer.set_packets(self.packets);
66        buffer.set_drops(self.drops);
67        buffer.set_overlimits(self.overlimits);
68        buffer.set_bps(self.bps);
69        buffer.set_pps(self.pps);
70        buffer.set_qlen(self.qlen);
71        buffer.set_backlog(self.backlog);
72    }
73}
netlink_packet_route/rtnl/tc/nlas/stats.rs

netlink_packet_route/rtnl/tc/nlas/
stats.rs
