FAU_TOTAL_TX_TO_CLEAN
#define FAU_NUM_PACKET_BUFFERS_TO_FREE (FAU_TOTAL_TX_TO_CLEAN - sizeof(u32))
FAU_TOTAL_TX_TO_CLEAN, 1);
cvmx_fau_fetch_and_add32(FAU_TOTAL_TX_TO_CLEAN, 1);
cvmx_fau_atomic_write32(FAU_TOTAL_TX_TO_CLEAN, 0);