RX_OP_PKT
RX_OP_PKT(0, 0, 2) /* two packets, threshold */
RX_OP_PKT(0, 0, 1)
RX_OP_PKT(0, 1, 1) /* just one packet, threshold is 2 */
RX_OP_PKT(0, 2, 1) /* second packet meets threshold */
RX_OP_PKT(0, 0, 1)
RX_OP_PKT(0, 1, 10) /* ten packets, threshold is 2 */
RX_OP_PKT(0, 0, 1)
RX_OP_PKT(0, 1, 1) /* just one packet, threshold is 2 */