runtime-rs: add the route flags support

Get the route entry's flags from the host and
pass it into kata-agent to add route entries
with flags support.

Signed-off-by: Fupan Li <fupan.lfp@antgroup.com>

src/runtime-rs/crates/agent/src/kata/trans.rs

@@ -228,6 +228,7 @@ impl From<Route> for types::Route {
             source: from.source,
             scope: from.scope,
             family: protobuf::EnumOrUnknown::new(from.family.into()),
+            flags: from.flags,
             ..Default::default()
         }
     }
@@ -242,6 +243,7 @@ impl From<types::Route> for Route {
             source: src.source,
             scope: src.scope,
             family: src.family.unwrap().into(),
+            flags: src.flags,
         }
     }
 }

src/runtime-rs/crates/agent/src/types.rs

@@ -113,6 +113,7 @@ pub struct Route {
     pub source: String,
     pub scope: u32,
     pub family: IPFamily,
+    pub flags: u32,
 }
 
 #[derive(Deserialize, Debug, PartialEq, Clone, Default)]