axis_c2h_status_drop is AssertedΒΆ

  • axis_c2h_status_drop is asserted

  • Check if desc_rsp_err is set or not in QDMa_C2H_ERR_STAT

  • Check the following registers:

    • QDMA_C2H_DROP_LEN_MISMATCH (0xBB4)

    • QDMA_C2H_DROP_DESC_RSP_LEN (0xBB8)

    • QDMA_C2H_DROP_QID_FIFO_LEN (0xBBC)

    • QDMA_C2H_DROP_PAYLOAD_CNT (0xBB0)

    • Interrupt Decode 2 Register (0xE38)

    • C2H_PACKETS_DROP (0x088)

  • Make sure the descriptor is still available; check tm_dsc_sts_error/tm_dsc_sts_avl

  • Make sure PIDX/CIDX is updated correctly

  • Check s_axis_c2h_tready