Merge branch 'upstream-16.11-stable' into 16.11.x
[deb_dpdk.git] / drivers / net / i40e / i40e_fdir.c
index e78610b..e25b8e0 100644 (file)
@@ -165,7 +165,6 @@ i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
 
        rte_wmb();
        /* Init the RX tail regieter. */
-       I40E_PCI_REG_WRITE(rxq->qrx_tail, 0);
        I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 
        return err;
@@ -1011,13 +1010,18 @@ i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq)
                                PMD_DRV_LOG(ERR, "invalid programming status"
                                            " reported, error = %u.", error);
                } else
-                       PMD_DRV_LOG(ERR, "unknown programming status"
+                       PMD_DRV_LOG(INFO, "unknown programming status"
                                    " reported, len = %d, id = %u.", len, id);
                rxdp->wb.qword1.status_error_len = 0;
                rxq->rx_tail++;
                if (unlikely(rxq->rx_tail == rxq->nb_rx_desc))
                        rxq->rx_tail = 0;
+               if (rxq->rx_tail == 0)
+                       I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
+               else
+                       I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->rx_tail - 1);
        }
+
        return ret;
 }