feat: trying out smoltcp

nl-sys/src/route.rs

@@ -146,7 +146,7 @@ pub fn get_macs_and_src_for_ip(
     neighs: &Cache<Neigh>,
     links: &Cache<Link>,
     addr: Ipv4Addr,
-) -> Option<(String, Ipv4Addr, [u8; 6], [u8; 6])> {
+) -> Option<(String, i32, Ipv4Addr, [u8; 6], [u8; 6], u8)> {
     let mut sorted_routes = routes.iter().collect::<Vec<_>>();
 
     sorted_routes.sort_by(|r1, r2| {
@@ -182,6 +182,7 @@ pub fn get_macs_and_src_for_ip(
 
     #[cfg(debug_assertions)]
     {
+        println!("Link index: {link_ind}\n");
         for link in links.iter() {
             println!(
                 "Link {}: {:?} ({})",
@@ -202,7 +203,6 @@ pub fn get_macs_and_src_for_ip(
                 .iter()
                 .filter(|neigh| neigh.ifindex() == link.ifindex())
             {
-                println!("\t\ttest {:?}, {:?}", neigh.ifindex(), neigh.dst());
                 println!("\t\t{:?}, {:?}", neigh.dst(), neigh.lladdr());
             }
         }
@@ -221,9 +221,11 @@ pub fn get_macs_and_src_for_ip(
 
     Some((
         link.name(),
+        link_ind,
         (&srcip.local()?).try_into().ok()?,
         link.addr().hw_address().try_into().ok()?,
         neigh,
+        route.dst().unwrap().cidrlen() as u8,
     ))
 }