Add mac address to Interfaces

holo-interface/src/ibus.rs

@@ -76,6 +76,7 @@ pub(crate) fn notify_interface_update(ibus_tx: &IbusSender, iface: &Interface) {
         ifindex: iface.ifindex.unwrap_or(0),
         mtu: iface.mtu.unwrap_or(0),
         flags: iface.flags,
+        mac_address: iface.mac_address,
     });
     notify(ibus_tx, msg);
 }

holo-interface/src/interface.rs

@@ -37,6 +37,7 @@ pub struct Interface {
     pub mtu: Option<u32>,
     pub flags: InterfaceFlags,
     pub addresses: BTreeMap<IpNetwork, InterfaceAddress>,
+    pub mac_address: [u8; 6],
     pub owner: Owner,
 }
 
@@ -123,6 +124,7 @@ impl Interfaces {
             flags: InterfaceFlags::default(),
             addresses: Default::default(),
             owner: Owner::CONFIG,
+            mac_address: Default::default(),
         };
 
         let iface_idx = self.arena.insert(iface);
@@ -136,6 +138,7 @@ impl Interfaces {
         ifindex: u32,
         mtu: u32,
         flags: InterfaceFlags,
+        mac_address: [u8; 6],
         netlink_handle: &rtnetlink::Handle,
         ibus_tx: Option<&IbusSender>,
     ) {
@@ -152,6 +155,7 @@ impl Interfaces {
                 if iface.name == ifname
                     && iface.mtu == Some(mtu)
                     && iface.flags == flags
+                    && iface.mac_address == mac_address
                 {
                     return;
                 }
@@ -170,6 +174,7 @@ impl Interfaces {
                 iface.owner.insert(Owner::SYSTEM);
                 iface.mtu = Some(mtu);
                 iface.flags = flags;
+                iface.mac_address = mac_address;
 
                 // Notify protocol instances about the interface update.
                 //
@@ -214,6 +219,7 @@ impl Interfaces {
                     flags,
                     addresses: Default::default(),
                     owner: Owner::SYSTEM,
+                    mac_address: Default::default(),
                 };
 
                 // Notify protocol instances about the interface update.

holo-interface/src/netlink.rs

@@ -43,6 +43,8 @@ async fn process_newlink_msg(
     let ifindex = msg.header.index;
     let mut ifname = None;
     let mut mtu = None;
+    let mut mac_address: [u8; 6] = [0u8; 6];
+
     let mut flags = InterfaceFlags::empty();
     if msg.header.link_layer_type == ARPHRD_LOOPBACK {
         flags.insert(InterfaceFlags::LOOPBACK);
@@ -57,6 +59,9 @@ async fn process_newlink_msg(
         match nla {
             Nla::IfName(nla_ifname) => ifname = Some(nla_ifname),
             Nla::Mtu(nla_mtu) => mtu = Some(nla_mtu),
+            Nla::Address(addr) => {
+                mac_address = addr.try_into().unwrap_or([0u8; 6]);
+            }
             _ => (),
         }
     }
@@ -68,7 +73,15 @@ async fn process_newlink_msg(
     let ibus_tx = notify.then_some(&master.ibus_tx);
     master
         .interfaces
-        .update(ifname, ifindex, mtu, flags, &master.netlink_handle, ibus_tx)
+        .update(
+            ifname,
+            ifindex,
+            mtu,
+            flags,
+            mac_address,
+            &master.netlink_handle,
+            ibus_tx,
+        )
         .await;
 }
 

holo-utils/src/southbound.rs

@@ -73,6 +73,9 @@ pub struct InterfaceUpdateMsg {
     pub ifindex: u32,
     pub mtu: u32,
     pub flags: InterfaceFlags,
+
+    #[serde(skip)]
+    pub mac_address: [u8; 6],
 }
 
 #[derive(Clone, Debug)]