+static size_t
+put_userspace_action(const struct ofproto_dpif *ofproto,
+ struct ofpbuf *odp_actions,
+ const struct flow *flow,
+ const struct user_action_cookie *cookie)
+{
+ size_t offset;
+ uint32_t pid;
+
+ pid = dpif_port_get_pid(ofproto->dpif,
+ ofp_port_to_odp_port(flow->in_port));
+
+ offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
+ nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
+ nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
+ cookie, sizeof *cookie);
+ nl_msg_end_nested(odp_actions, offset);
+
+ return odp_actions->size - NLA_ALIGN(sizeof *cookie);
+}
+