vrrp: introduce InterfaceNet to mvlan

We need sockets for handling vrrp request
and responses. This makes sure that the
macvlan interfaces are hooked to a raw socket
and also makes sure the tasks are started
successfully.

Signed-off-by: Paul Wekesa <paul1tw1@gmail.com>

holo-vrrp/src/interface.rs

@@ -61,6 +61,7 @@ pub struct MacVlanInterface {
     // Interface system data.
     pub system: InterfaceSys,
     // Interface raw sockets and Tx/Rx tasks.
+    pub net: Option<InterfaceNet>,
 }
 
 #[derive(Debug, Default)]
@@ -280,8 +281,16 @@ impl MacVlanInterface {
         Self {
             name,
             system: InterfaceSys::default(),
+            net: None,
         }
     }
+
+    pub fn create_net(&mut self, tx_channels: &InstanceChannelsTx<Interface>) {
+        let net = InterfaceNet::new(&self.name, tx_channels)
+            .expect("Failed to initialize VRRP tasks");
+        self.net = Some(net);
+        println!("...");
+    }
 }
 
 // ===== impl InterfaceNet =====

holo-vrrp/src/southbound.rs

@@ -13,7 +13,6 @@ use ipnetwork::IpNetwork;
 use crate::interface::Interface;
 
 // ===== global functions =====
-
 pub(crate) fn process_iface_update(
     iface: &mut Interface,
     msg: InterfaceUpdateMsg,
@@ -42,6 +41,7 @@ pub(crate) fn process_iface_update(
             mvlan_iface.system.flags = msg.flags;
             mvlan_iface.system.ifindex = Some(msg.ifindex);
             mvlan_iface.system.mac_address = msg.mac_address;
+            mvlan_iface.create_net(&iface.tx);
             return;
         }
     }