From d471d5fc7ce587ed836ca7fa10a79331bc181d45 Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Sat, 20 Mar 2021 23:18:34 +0100
Subject: 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.
---
 proto/bgp/attrs.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'proto/bgp/attrs.c')

diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index 10706088..18d2985c 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -371,6 +371,13 @@ bgp_init_aigp_metric(rte *e, u64 *metric, const struct adata **ad)
   return *metric < IGP_METRIC_UNKNOWN;
 }
 
+u32
+bgp_rte_igp_metric(struct rte *rt)
+{
+  u64 metric = bgp_total_aigp_metric(rt);
+  return (u32) MIN(metric, (u64) IGP_METRIC_UNKNOWN);
+}
+
 
 /*
  *	Attribute hooks
-- 
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