IGP metric getter refactoring to protocol callback

Direct protocol hooks for IGP metric inside nest/rt-table.c make the
protocol API unnecessarily complex. Instead, we use a proper callback.

1 files changed, 7 insertions, 0 deletions

diff --git a/proto/babel/babel.c b/proto/babel/babel.c
index 1d23aef7..d17f318b 100644
--- a/proto/babel/babel.c
+++ b/proto/babel/babel.c
@@ -2332,6 +2332,12 @@ babel_rte_same(struct rte *new, struct rte *old)
 	  (new->u.babel.router_id == old->u.babel.router_id));
 }
 
+static u32
+babel_rte_igp_metric(struct rte *rt)
+{
+  return rt->u.babel.metric;
+}
+
 
 static void
 babel_postconfig(struct proto_config *CF)
@@ -2367,6 +2373,7 @@ babel_init(struct proto_config *CF)
   P->store_tmp_attrs = babel_store_tmp_attrs;
   P->rte_better = babel_rte_better;
   P->rte_same = babel_rte_same;
+  P->rte_igp_metric = babel_rte_igp_metric;
 
   return P;
 }