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Diffstat (limited to 'net/batman-adv/bat_iv_ogm.c')
-rw-r--r--net/batman-adv/bat_iv_ogm.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b288d90855d1..4376fe75eeec 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1494,6 +1494,23 @@ static int batadv_iv_ogm_neigh_cmp(struct batadv_neigh_node *neigh1,
return tq1 - tq2;
}
+/**
+ * batadv_iv_ogm_neigh_is_eob - check if neigh1 is equally good or better than
+ * neigh2 from the metric prospective
+ * @neigh1: the first neighbor object of the comparison
+ * @neigh2: the second neighbor object of the comparison
+ *
+ * Returns true if the metric via neigh1 is equally good or better than the
+ * metric via neigh2, false otherwise.
+ */
+static bool batadv_iv_ogm_neigh_is_eob(struct batadv_neigh_node *neigh1,
+ struct batadv_neigh_node *neigh2)
+{
+ int diff = batadv_iv_ogm_neigh_cmp(neigh1, neigh2);
+
+ return diff > -BATADV_TQ_SIMILARITY_THRESHOLD;
+}
+
static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
.name = "BATMAN_IV",
.bat_iface_enable = batadv_iv_ogm_iface_enable,
@@ -1503,6 +1520,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
.bat_ogm_schedule = batadv_iv_ogm_schedule,
.bat_ogm_emit = batadv_iv_ogm_emit,
.bat_neigh_cmp = batadv_iv_ogm_neigh_cmp,
+ .bat_neigh_is_equiv_or_better = batadv_iv_ogm_neigh_is_eob,
.bat_orig_print = batadv_iv_ogm_orig_print,
};