pinctrl: Skip non-local mac bindings in run_buffered_binding().

There's no point to process MAC binding updates for non-local datapaths.
If they were local before but not anymore we don't really have a reason
to send any buffered packets for them anymore.

Fixes: bbd5e0d ("controller: improve buffered packets management")
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Acked-by: Mark Michelson <mmichels@redhat.com>
Acked-by: Ales Musil <amusil@redhat.com>
(cherry picked from commit a86dcfb)

controller/pinctrl.c

@@ -191,6 +191,7 @@ static void init_buffered_packets_ctx(void);
 static void destroy_buffered_packets_ctx(void);
 static void
 run_buffered_binding(const struct sbrec_mac_binding_table *mac_binding_table,
+                     const struct hmap *local_datapaths,
                      struct ovsdb_idl_index *sbrec_port_binding_by_key,
                      struct ovsdb_idl_index *sbrec_datapath_binding_by_key,
                      struct ovsdb_idl_index *sbrec_port_binding_by_name,
@@ -4176,7 +4177,8 @@ pinctrl_run(struct ovsdb_idl_txn *ovnsb_idl_txn,
                   sbrec_port_binding_by_key,
                   sbrec_igmp_groups,
                   sbrec_ip_multicast_opts);
-    run_buffered_binding(mac_binding_table, sbrec_port_binding_by_key,
+    run_buffered_binding(mac_binding_table, local_datapaths,
+                         sbrec_port_binding_by_key,
                          sbrec_datapath_binding_by_key,
                          sbrec_port_binding_by_name,
                          sbrec_mac_binding_by_lport_ip);
@@ -4943,6 +4945,7 @@ run_put_mac_bindings(struct ovsdb_idl_txn *ovnsb_idl_txn,
 
 static void
 run_buffered_binding(const struct sbrec_mac_binding_table *mac_binding_table,
+                     const struct hmap *local_datapaths,
                      struct ovsdb_idl_index *sbrec_port_binding_by_key,
                      struct ovsdb_idl_index *sbrec_datapath_binding_by_key,
                      struct ovsdb_idl_index *sbrec_port_binding_by_name,
@@ -4961,6 +4964,10 @@ run_buffered_binding(const struct sbrec_mac_binding_table *mac_binding_table,
             continue;
         }
 
+        if (!get_local_datapath(local_datapaths, smb->datapath->tunnel_key)) {
+            continue;
+        }
+
         const struct sbrec_port_binding *pb = lport_lookup_by_name(
             sbrec_port_binding_by_name, smb->logical_port);