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Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r--net/batman-adv/translation-table.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 1d5a4f5be899..4c28251dd8e6 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1280,18 +1280,20 @@ out:
}
/* batadv_transtable_best_orig - Get best originator list entry from tt entry
+ * @bat_priv: the bat priv with all the soft interface information
* @tt_global_entry: global translation table entry to be analyzed
*
* This functon assumes the caller holds rcu_read_lock().
* Returns best originator list entry or NULL on errors.
*/
static struct batadv_tt_orig_list_entry *
-batadv_transtable_best_orig(struct batadv_tt_global_entry *tt_global_entry)
+batadv_transtable_best_orig(struct batadv_priv *bat_priv,
+ struct batadv_tt_global_entry *tt_global_entry)
{
- struct batadv_neigh_node *router = NULL;
+ struct batadv_neigh_node *router, *best_router = NULL;
+ struct batadv_algo_ops *bao = bat_priv->bat_algo_ops;
struct hlist_head *head;
struct batadv_tt_orig_list_entry *orig_entry, *best_entry = NULL;
- int best_tq = 0;
head = &tt_global_entry->orig_list;
hlist_for_each_entry_rcu(orig_entry, head, list) {
@@ -1299,26 +1301,37 @@ batadv_transtable_best_orig(struct batadv_tt_global_entry *tt_global_entry)
if (!router)
continue;
- if (router->bat_iv.tq_avg > best_tq) {
- best_entry = orig_entry;
- best_tq = router->bat_iv.tq_avg;
+ if (best_router &&
+ bao->bat_neigh_cmp(router, best_router) <= 0) {
+ batadv_neigh_node_free_ref(router);
+ continue;
}
- batadv_neigh_node_free_ref(router);
+ /* release the refcount for the "old" best */
+ if (best_router)
+ batadv_neigh_node_free_ref(best_router);
+
+ best_entry = orig_entry;
+ best_router = router;
}
+ if (best_router)
+ batadv_neigh_node_free_ref(best_router);
+
return best_entry;
}
/* batadv_tt_global_print_entry - print all orig nodes who announce the address
* for this global entry
+ * @bat_priv: the bat priv with all the soft interface information
* @tt_global_entry: global translation table entry to be printed
* @seq: debugfs table seq_file struct
*
* This functon assumes the caller holds rcu_read_lock().
*/
static void
-batadv_tt_global_print_entry(struct batadv_tt_global_entry *tt_global_entry,
+batadv_tt_global_print_entry(struct batadv_priv *bat_priv,
+ struct batadv_tt_global_entry *tt_global_entry,
struct seq_file *seq)
{
struct batadv_tt_orig_list_entry *orig_entry, *best_entry;
@@ -1331,7 +1344,7 @@ batadv_tt_global_print_entry(struct batadv_tt_global_entry *tt_global_entry,
tt_common_entry = &tt_global_entry->common;
flags = tt_common_entry->flags;
- best_entry = batadv_transtable_best_orig(tt_global_entry);
+ best_entry = batadv_transtable_best_orig(bat_priv, tt_global_entry);
if (best_entry) {
vlan = batadv_orig_node_vlan_get(best_entry->orig_node,
tt_common_entry->vid);
@@ -1420,7 +1433,7 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
tt_global = container_of(tt_common_entry,
struct batadv_tt_global_entry,
common);
- batadv_tt_global_print_entry(tt_global, seq);
+ batadv_tt_global_print_entry(bat_priv, tt_global, seq);
}
rcu_read_unlock();
}
@@ -1808,7 +1821,7 @@ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
goto out;
rcu_read_lock();
- best_entry = batadv_transtable_best_orig(tt_global_entry);
+ best_entry = batadv_transtable_best_orig(bat_priv, tt_global_entry);
/* found anything? */
if (best_entry)
orig_node = best_entry->orig_node;