- * silc_packet_stream_get_sender function and to create new packet
- * stream by calling this function. After that, all packets from that
- * IP address and port will be received by the new packet stream.
+ * silc_packet_get_sender function and to create new packet stream by
+ * calling this function. After that, all packets from that IP address
+ * and port will be received by the new packet stream.
+ *
+ * If the `packet' is non-NULL it will be injected into the new packet
+ * stream as soon as the scheduler associated with `stream' schedules
+ * new tasks. It can be used to inject an incoming packet to the stream.