Implement flush_network_routes.

route.c

@@ -112,6 +112,21 @@ flush_neighbour_routes(struct neighbour *neigh)
     }
 }
 
+void
+flush_network_routes(struct network *net)
+{
+    int i;
+
+    i = 0;
+    while(i < numroutes) {
+        if(routes[i].neigh->network == net) {
+            flush_route(routes + i);
+            continue;
+        }
+        i++;
+    }
+}
+
 unsigned int
 metric_to_kernel(int metric)
 {

route.h

@@ -44,6 +44,7 @@ struct route *find_installed_route(const unsigned char *prefix,
                                    unsigned char plen);
 void flush_route(struct route *route);
 void flush_neighbour_routes(struct neighbour *neigh);
+void flush_network_routes(struct network *net);
 unsigned int metric_to_kernel(int metric);
 void install_route(struct route *route);
 void uninstall_route(struct route *route);