- * @userdata: Becomes %OVS_PACKET_ATTR_USERDATA if nonzero.
- * @sample_pool: Becomes %OVS_PACKET_ATTR_SAMPLE_POOL if nonzero.
- * @actions: Becomes %OVS_PACKET_ATTR_ACTIONS if nonnull.
- * @actions_len: Number of bytes in @actions.
-*/
+ * @userdata: If nonnull, its u64 value is extracted and passed to userspace as
+ * %OVS_PACKET_ATTR_USERDATA.
+ * @pid: Netlink PID to which packet should be sent. If @pid is 0 then no
+ * packet is sent and the packet is accounted in the datapath's @n_lost
+ * counter.
+ */