1 // Copyright 2024, The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 use core::fmt;
16 use core::fmt::Debug;
17 
18 // smoltcp uses an old version of bitflag (1.0). The one imported at Android is newer and does not
19 // provide Copy/Clone/Debug/PartialEq/Eq trait implementation by default. Thus we need to add the
20 // implementation here.
21 
22 use crate::wire::{NdiscNeighborFlags, NdiscPrefixInfoFlags, NdiscRouterFlags};
23 
24 macro_rules! bitflags_trait {
25     ($name:ident) => {
26         impl Copy for $name {}
27 
28         impl Clone for $name {
29             fn clone(&self) -> $name {
30                 *self
31             }
32         }
33 
34         impl Debug for $name {
35             fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
36                 Debug::fmt(&self.bits(), f)
37             }
38         }
39 
40         impl PartialEq for $name {
41             fn eq(&self, other: &Self) -> bool {
42                 PartialEq::eq(&self.bits(), &other.bits())
43             }
44         }
45 
46         impl Eq for $name {}
47     };
48 }
49 
50 bitflags_trait! {NdiscNeighborFlags}
51 bitflags_trait! {NdiscRouterFlags}
52 bitflags_trait! {NdiscPrefixInfoFlags}
53