Merge tag 'mailbox-v5.8' of git://git.linaro.org/landing-teams/working/fujitsu/integr...

[linux-2.6-microblaze.git] / net / dsa / dsa2.c

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index d90665b..076908f 100644 (file)
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -24,6 +24,27 @@ LIST_HEAD(dsa_tree_list);
 static const struct devlink_ops dsa_devlink_ops = {
 };
 
+struct dsa_switch *dsa_switch_find(int tree_index, int sw_index)
+{
+       struct dsa_switch_tree *dst;
+       struct dsa_port *dp;
+
+       list_for_each_entry(dst, &dsa_tree_list, list) {
+               if (dst->index != tree_index)
+                       continue;
+
+               list_for_each_entry(dp, &dst->ports, list) {
+                       if (dp->ds->index != sw_index)
+                               continue;
+
+                       return dp->ds;
+               }
+       }
+
+       return NULL;
+}
+EXPORT_SYMBOL_GPL(dsa_switch_find);
+
 static struct dsa_switch_tree *dsa_tree_find(int index)
 {
        struct dsa_switch_tree *dst;