netlink_packet_route/rtnl/rule/
buffer.rs

1// SPDX-License-Identifier: MIT
2
3use crate::{
4    nlas::{NlaBuffer, NlasIterator},
5    DecodeError,
6};
7
8pub const RULE_HEADER_LEN: usize = 12;
9
10buffer!(RuleMessageBuffer(RULE_HEADER_LEN) {
11    family: (u8, 0),
12    dst_len: (u8, 1),
13    src_len: (u8, 2),
14    tos: (u8, 3),
15    table: (u8, 4),
16    reserve_1: (u8, 5),
17    reserve_2: (u8, 6),
18    action: (u8, 7),
19    flags: (u32, 8..RULE_HEADER_LEN),
20    payload: (slice, RULE_HEADER_LEN..),
21});
22
23impl<'a, T: AsRef<[u8]> + ?Sized> RuleMessageBuffer<&'a T> {
24    pub fn nlas(&self) -> impl Iterator<Item = Result<NlaBuffer<&'a [u8]>, DecodeError>> {
25        NlasIterator::new(self.payload())
26    }
27}