+ /* To prevent loops, make sure there's no action to send to the
+ * OFP_TABLE virtual port.
+ */
+ for (i=0; i<n_acts; i++) {
+ const struct ofp_action *a = &ofm->actions[i];
+
+ if (a->type == htons(OFPAT_OUTPUT)
+ && a->arg.output.port == htons(OFPP_TABLE)) {
+ /* xxx Send fancy new error message? */
+ goto error;
+ }
+ }
+