sel4_driver_interfaces/
net.rs

1//
2// Copyright 2024, Colias Group, LLC
3//
4// SPDX-License-Identifier: BSD-2-Clause
5//
6
7use core::cell::RefCell;
8use core::fmt;
9use core::ops::Deref;
10
11use lock_api::{Mutex, RawMutex};
12use serde::{Deserialize, Serialize};
13
14use crate::{WrappedMutex, WrappedRefCell, WrappedRefCellError};
15
16#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
17pub struct MacAddress(pub [u8; 6]);
18
19pub trait GetNetDeviceMeta {
20    type Error: fmt::Debug;
21
22    fn get_mac_address(&mut self) -> Result<MacAddress, Self::Error>;
23}
24
25impl<T: Deref<Target = RefCell<U>>, U: GetNetDeviceMeta> GetNetDeviceMeta for &WrappedRefCell<T> {
26    type Error = WrappedRefCellError<U::Error>;
27
28    fn get_mac_address(&mut self) -> Result<MacAddress, Self::Error> {
29        self.with_mut(|this| this.get_mac_address())
30    }
31}
32
33impl<R: RawMutex, T: Deref<Target = Mutex<R, U>>, U: GetNetDeviceMeta> GetNetDeviceMeta
34    for &WrappedMutex<T>
35{
36    type Error = U::Error;
37
38    fn get_mac_address(&mut self) -> Result<MacAddress, Self::Error> {
39        self.with_mut(|this| this.get_mac_address())
40    }
41}