ixgbe: add log messages when rx bulk mode is not usable
[dpdk.git] / lib / librte_pmd_ixgbe / ixgbe_rxtx.c
index d6448a4..c1a89a5 100644 (file)
@@ -613,7 +613,7 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                        tx_last = (uint16_t) (tx_last - txq->nb_tx_desc);
 
                PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u pktlen=%u"
-                          " tx_first=%u tx_last=%u\n",
+                          " tx_first=%u tx_last=%u",
                           (unsigned) txq->port_id,
                           (unsigned) txq->queue_id,
                           (unsigned) pkt_len,
@@ -1063,7 +1063,7 @@ rx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                if (ixgbe_rx_alloc_bufs(rxq) != 0) {
                        int i, j;
                        PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
-                                  "queue_id=%u\n", (unsigned) rxq->port_id,
+                                  "queue_id=%u", (unsigned) rxq->port_id,
                                   (unsigned) rxq->queue_id);
 
                        rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
@@ -1190,7 +1190,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                 * frames to its peer(s).
                 */
                PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
-                          "ext_err_stat=0x%08x pkt_len=%u\n",
+                          "ext_err_stat=0x%08x pkt_len=%u",
                           (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
                           (unsigned) rx_id, (unsigned) staterr,
                           (unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
@@ -1198,7 +1198,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                nmb = rte_rxmbuf_alloc(rxq->mb_pool);
                if (nmb == NULL) {
                        PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
-                                  "queue_id=%u\n", (unsigned) rxq->port_id,
+                                  "queue_id=%u", (unsigned) rxq->port_id,
                                   (unsigned) rxq->queue_id);
                        rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
                        break;
@@ -1290,7 +1290,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
        nb_hold = (uint16_t) (nb_hold + rxq->nb_rx_hold);
        if (nb_hold > rxq->rx_free_thresh) {
                PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
-                          "nb_hold=%u nb_rx=%u\n",
+                          "nb_hold=%u nb_rx=%u",
                           (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
                           (unsigned) rx_id, (unsigned) nb_hold,
                           (unsigned) nb_rx);
@@ -1377,8 +1377,8 @@ ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                 * to happen by sending specific "back-pressure" flow control
                 * frames to its peer(s).
                 */
-               PMD_RX_LOG(DEBUG, "\nport_id=%u queue_id=%u rx_id=%u "
-                          "staterr=0x%x data_len=%u\n",
+               PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
+                          "staterr=0x%x data_len=%u",
                           (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
                           (unsigned) rx_id, (unsigned) staterr,
                           (unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
@@ -1386,7 +1386,7 @@ ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                nmb = rte_rxmbuf_alloc(rxq->mb_pool);
                if (nmb == NULL) {
                        PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
-                                  "queue_id=%u\n", (unsigned) rxq->port_id,
+                                  "queue_id=%u", (unsigned) rxq->port_id,
                                   (unsigned) rxq->queue_id);
                        rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
                        break;
@@ -1555,7 +1555,7 @@ ixgbe_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
        nb_hold = (uint16_t) (nb_hold + rxq->nb_rx_hold);
        if (nb_hold > rxq->rx_free_thresh) {
                PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
-                          "nb_hold=%u nb_rx=%u\n",
+                          "nb_hold=%u nb_rx=%u",
                           (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
                           (unsigned) rx_id, (unsigned) nb_hold,
                           (unsigned) nb_rx);
@@ -1759,33 +1759,36 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
        tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
                        tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH);
        if (tx_rs_thresh >= (nb_desc - 2)) {
-               RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than the number "
-                       "of TX descriptors minus 2. (tx_rs_thresh=%u port=%d "
-                               "queue=%d)\n", (unsigned int)tx_rs_thresh,
-                               (int)dev->data->port_id, (int)queue_idx);
+               PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the number "
+                            "of TX descriptors minus 2. (tx_rs_thresh=%u "
+                            "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
+                            (int)dev->data->port_id, (int)queue_idx);
                return -(EINVAL);
        }
        if (tx_free_thresh >= (nb_desc - 3)) {
-               RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than the "
-                       "tx_free_thresh must be less than the number of TX "
-                       "descriptors minus 3. (tx_free_thresh=%u port=%d "
-                               "queue=%d)\n", (unsigned int)tx_free_thresh,
-                               (int)dev->data->port_id, (int)queue_idx);
+               PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the "
+                            "tx_free_thresh must be less than the number of "
+                            "TX descriptors minus 3. (tx_free_thresh=%u "
+                            "port=%d queue=%d)",
+                            (unsigned int)tx_free_thresh,
+                            (int)dev->data->port_id, (int)queue_idx);
                return -(EINVAL);
        }
        if (tx_rs_thresh > tx_free_thresh) {
-               RTE_LOG(ERR, PMD, "tx_rs_thresh must be less than or equal to "
-                       "tx_free_thresh. (tx_free_thresh=%u tx_rs_thresh=%u "
-                       "port=%d queue=%d)\n", (unsigned int)tx_free_thresh,
-                       (unsigned int)tx_rs_thresh, (int)dev->data->port_id,
-                                                       (int)queue_idx);
+               PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than or equal to "
+                            "tx_free_thresh. (tx_free_thresh=%u "
+                            "tx_rs_thresh=%u port=%d queue=%d)",
+                            (unsigned int)tx_free_thresh,
+                            (unsigned int)tx_rs_thresh,
+                            (int)dev->data->port_id,
+                            (int)queue_idx);
                return -(EINVAL);
        }
        if ((nb_desc % tx_rs_thresh) != 0) {
-               RTE_LOG(ERR, PMD, "tx_rs_thresh must be a divisor of the "
-                       "number of TX descriptors. (tx_rs_thresh=%u port=%d "
-                               "queue=%d)\n", (unsigned int)tx_rs_thresh,
-                               (int)dev->data->port_id, (int)queue_idx);
+               PMD_INIT_LOG(ERR, "tx_rs_thresh must be a divisor of the "
+                            "number of TX descriptors. (tx_rs_thresh=%u "
+                            "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
+                            (int)dev->data->port_id, (int)queue_idx);
                return -(EINVAL);
        }
 
@@ -1796,10 +1799,10 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
         * accumulates WTHRESH descriptors.
         */
        if ((tx_rs_thresh > 1) && (tx_conf->tx_thresh.wthresh != 0)) {
-               RTE_LOG(ERR, PMD, "TX WTHRESH must be set to 0 if "
-                       "tx_rs_thresh is greater than 1. (tx_rs_thresh=%u "
-                       "port=%d queue=%d)\n", (unsigned int)tx_rs_thresh,
-                               (int)dev->data->port_id, (int)queue_idx);
+               PMD_INIT_LOG(ERR, "TX WTHRESH must be set to 0 if "
+                            "tx_rs_thresh is greater than 1. (tx_rs_thresh=%u "
+                            "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
+                            (int)dev->data->port_id, (int)queue_idx);
                return -(EINVAL);
        }
 
@@ -1864,26 +1867,32 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
                ixgbe_tx_queue_release(txq);
                return (-ENOMEM);
        }
-       PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64"\n",
+       PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
                     txq->sw_ring, txq->tx_ring, txq->tx_ring_phys_addr);
 
        /* Use a simple Tx queue (no offloads, no multi segs) if possible */
        if (((txq->txq_flags & IXGBE_SIMPLE_FLAGS) == IXGBE_SIMPLE_FLAGS) &&
            (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) {
-               PMD_INIT_LOG(INFO, "Using simple tx code path\n");
+               PMD_INIT_LOG(INFO, "Using simple tx code path");
 #ifdef RTE_IXGBE_INC_VECTOR
                if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ &&
                    ixgbe_txq_vec_setup(txq) == 0) {
-                       PMD_INIT_LOG(INFO, "Vector tx enabled.\n");
+                       PMD_INIT_LOG(INFO, "Vector tx enabled.");
                        dev->tx_pkt_burst = ixgbe_xmit_pkts_vec;
                }
                else
 #endif
                        dev->tx_pkt_burst = ixgbe_xmit_pkts_simple;
        } else {
-               PMD_INIT_LOG(INFO, "Using full-featured tx code path\n");
-               PMD_INIT_LOG(INFO, " - txq_flags = %lx [IXGBE_SIMPLE_FLAGS=%lx]\n", (long unsigned)txq->txq_flags, (long unsigned)IXGBE_SIMPLE_FLAGS);
-               PMD_INIT_LOG(INFO, " - tx_rs_thresh = %lu [RTE_PMD_IXGBE_TX_MAX_BURST=%lu]\n", (long unsigned)txq->tx_rs_thresh, (long unsigned)RTE_PMD_IXGBE_TX_MAX_BURST);
+               PMD_INIT_LOG(INFO, "Using full-featured tx code path");
+               PMD_INIT_LOG(INFO, " - txq_flags = %lx "
+                            "[IXGBE_SIMPLE_FLAGS=%lx]",
+                            (long unsigned)txq->txq_flags,
+                            (long unsigned)IXGBE_SIMPLE_FLAGS);
+               PMD_INIT_LOG(INFO, " - tx_rs_thresh = %lu "
+                            "[RTE_PMD_IXGBE_TX_MAX_BURST=%lu]",
+                            (long unsigned)txq->tx_rs_thresh,
+                            (long unsigned)RTE_PMD_IXGBE_TX_MAX_BURST);
                dev->tx_pkt_burst = ixgbe_xmit_pkts;
        }
 
@@ -1963,15 +1972,34 @@ check_rx_burst_bulk_alloc_preconditions(__rte_unused struct igb_rx_queue *rxq)
         * outside of this function.
         */
 #ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
-       if (! (rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST))
+       if (!(rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST)) {
+               PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+                            "rxq->rx_free_thresh=%d, "
+                            "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
+                            rxq->rx_free_thresh, RTE_PMD_IXGBE_RX_MAX_BURST);
                ret = -EINVAL;
-       else if (! (rxq->rx_free_thresh < rxq->nb_rx_desc))
+       } else if (!(rxq->rx_free_thresh < rxq->nb_rx_desc)) {
+               PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+                            "rxq->rx_free_thresh=%d, "
+                            "rxq->nb_rx_desc=%d",
+                            rxq->rx_free_thresh, rxq->nb_rx_desc);
                ret = -EINVAL;
-       else if (! ((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0))
+       } else if (!((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0)) {
+               PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+                            "rxq->nb_rx_desc=%d, "
+                            "rxq->rx_free_thresh=%d",
+                            rxq->nb_rx_desc, rxq->rx_free_thresh);
                ret = -EINVAL;
-       else if (! (rxq->nb_rx_desc <
-              (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST)))
+       } else if (!(rxq->nb_rx_desc <
+              (IXGBE_MAX_RING_DESC - RTE_PMD_IXGBE_RX_MAX_BURST))) {
+               PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
+                            "rxq->nb_rx_desc=%d, "
+                            "IXGBE_MAX_RING_DESC=%d, "
+                            "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
+                            rxq->nb_rx_desc, IXGBE_MAX_RING_DESC,
+                            RTE_PMD_IXGBE_RX_MAX_BURST);
                ret = -EINVAL;
+       }
 #else
        ret = -EINVAL;
 #endif
@@ -2143,7 +2171,7 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
                ixgbe_rx_queue_release(rxq);
                return (-ENOMEM);
        }
-       PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64"\n",
+       PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
                     rxq->sw_ring, rxq->rx_ring, rxq->rx_ring_phys_addr);
 
        /*
@@ -2157,13 +2185,13 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
 #ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
                PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
                             "satisfied. Rx Burst Bulk Alloc function will be "
-                            "used on port=%d, queue=%d.\n",
+                            "used on port=%d, queue=%d.",
                             rxq->port_id, rxq->queue_id);
                dev->rx_pkt_burst = ixgbe_recv_pkts_bulk_alloc;
 #ifdef RTE_IXGBE_INC_VECTOR
                if (!ixgbe_rx_vec_condition_check(dev)) {
                        PMD_INIT_LOG(INFO, "Vector rx enabled, please make "
-                                    "sure RX burst size no less than 32.\n");
+                                    "sure RX burst size no less than 32.");
                        ixgbe_rxq_vec_setup(rxq);
                        dev->rx_pkt_burst = ixgbe_recv_pkts_vec;
                }
@@ -2173,7 +2201,7 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
                PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions "
                             "are not satisfied, Scattered Rx is requested, "
                             "or RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC is not "
-                            "enabled (port=%d, queue=%d).\n",
+                            "enabled (port=%d, queue=%d).",
                             rxq->port_id, rxq->queue_id);
        }
        dev->data->rx_queues[queue_idx] = rxq;
@@ -2192,7 +2220,7 @@ ixgbe_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
        uint32_t desc = 0;
 
        if (rx_queue_id >= dev->data->nb_rx_queues) {
-               PMD_RX_LOG(ERR, "Invalid RX queue id=%d\n", rx_queue_id);
+               PMD_RX_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id);
                return 0;
        }
 
@@ -2908,7 +2936,7 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
                ixgbe_dcb_rx_hw_config(hw, dcb_config);
                break;
        default:
-               PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration\n");
+               PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration");
                break;
        }
        switch (dev->data->dev_conf.txmode.mq_mode) {
@@ -2930,7 +2958,7 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
                ixgbe_dcb_tx_hw_config(hw, dcb_config);
                break;
        default:
-               PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration\n");
+               PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration");
                break;
        }
 
@@ -3201,7 +3229,7 @@ ixgbe_alloc_rx_queue_mbufs(struct igb_rx_queue *rxq)
                volatile union ixgbe_adv_rx_desc *rxd;
                struct rte_mbuf *mbuf = rte_rxmbuf_alloc(rxq->mb_pool);
                if (mbuf == NULL) {
-                       PMD_INIT_LOG(ERR, "RX mbuf alloc failed queue_id=%u\n",
+                       PMD_INIT_LOG(ERR, "RX mbuf alloc failed queue_id=%u",
                                     (unsigned) rxq->queue_id);
                        return (-ENOMEM);
                }
@@ -3272,7 +3300,7 @@ ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev)
                        IXGBE_WRITE_REG(hw, IXGBE_MRQC, IXGBE_MRQC_VMDQRT8TCEN);
                        break;
                default:
-                       RTE_LOG(ERR, PMD, "invalid pool number in IOV mode\n");
+                       PMD_INIT_LOG(ERR, "invalid pool number in IOV mode");
                }
        }
 
@@ -3325,7 +3353,7 @@ ixgbe_dev_mq_tx_configure(struct rte_eth_dev *dev)
                        break;
                default:
                        mtqc = IXGBE_MTQC_64Q_1PB;
-                       RTE_LOG(ERR, PMD, "invalid pool number in IOV mode\n");
+                       PMD_INIT_LOG(ERR, "invalid pool number in IOV mode");
                }
                IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
        }
@@ -3475,13 +3503,25 @@ ixgbe_dev_rx_init(struct rte_eth_dev *dev)
                /* It adds dual VLAN length for supporting dual VLAN */
                if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
                                2 * IXGBE_VLAN_TAG_SIZE) > buf_size){
+                       if (!dev->data->scattered_rx)
+                               PMD_INIT_LOG(DEBUG, "forcing scatter mode");
                        dev->data->scattered_rx = 1;
+#ifdef RTE_IXGBE_INC_VECTOR
+                       dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
+#else
                        dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+#endif
                }
        }
 
        if (dev->data->dev_conf.rxmode.enable_scatter) {
+               if (!dev->data->scattered_rx)
+                       PMD_INIT_LOG(DEBUG, "forcing scatter mode");
+#ifdef RTE_IXGBE_INC_VECTOR
+               dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
+#else
                dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+#endif
                dev->data->scattered_rx = 1;
        }
 
@@ -3588,12 +3628,12 @@ ixgbe_dev_tx_init(struct rte_eth_dev *dev)
 static inline void
 ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
 {
-       DEBUGFUNC("ixgbe_setup_loopback_link_82599");
+       PMD_INIT_FUNC_TRACE();
 
        if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
                if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM) !=
                                IXGBE_SUCCESS) {
-                       PMD_INIT_LOG(ERR, "Could not enable loopback mode\n");
+                       PMD_INIT_LOG(ERR, "Could not enable loopback mode");
                        /* ignore error */
                        return;
                }
@@ -3688,9 +3728,8 @@ ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 
                /* Allocate buffers for descriptor rings */
                if (ixgbe_alloc_rx_queue_mbufs(rxq) != 0) {
-                       PMD_INIT_LOG(ERR,
-                               "Could not alloc mbuf for queue:%d\n",
-                               rx_queue_id);
+                       PMD_INIT_LOG(ERR, "Could not alloc mbuf for queue:%d",
+                                    rx_queue_id);
                        return -1;
                }
                rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
@@ -3704,8 +3743,8 @@ ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
                        rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
                } while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
                if (!poll_ms)
-                       PMD_INIT_LOG(ERR, "Could not enable "
-                                    "Rx Queue %d\n", rx_queue_id);
+                       PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d",
+                                    rx_queue_id);
                rte_wmb();
                IXGBE_WRITE_REG(hw, IXGBE_RDH(rxq->reg_idx), 0);
                IXGBE_WRITE_REG(hw, IXGBE_RDT(rxq->reg_idx), rxq->nb_rx_desc - 1);
@@ -3743,8 +3782,8 @@ ixgbe_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
                        rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
                } while (--poll_ms && (rxdctl | IXGBE_RXDCTL_ENABLE));
                if (!poll_ms)
-                       PMD_INIT_LOG(ERR, "Could not disable "
-                                    "Rx Queue %d\n", rx_queue_id);
+                       PMD_INIT_LOG(ERR, "Could not disable Rx Queue %d",
+                                    rx_queue_id);
 
                rte_delay_us(RTE_IXGBE_WAIT_100_US);
 
@@ -3787,7 +3826,7 @@ ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
                        } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
                        if (!poll_ms)
                                PMD_INIT_LOG(ERR, "Could not enable "
-                                            "Tx Queue %d\n", tx_queue_id);
+                                            "Tx Queue %d", tx_queue_id);
                }
                rte_wmb();
                IXGBE_WRITE_REG(hw, IXGBE_TDH(txq->reg_idx), 0);
@@ -3827,9 +3866,8 @@ ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
                                                IXGBE_TDT(txq->reg_idx));
                        } while (--poll_ms && (txtdh != txtdt));
                        if (!poll_ms)
-                               PMD_INIT_LOG(ERR,
-                               "Tx Queue %d is not empty when stopping.\n",
-                               tx_queue_id);
+                               PMD_INIT_LOG(ERR, "Tx Queue %d is not empty "
+                                            "when stopping.", tx_queue_id);
                }
 
                txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
@@ -3846,7 +3884,7 @@ ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
                        } while (--poll_ms && (txdctl | IXGBE_TXDCTL_ENABLE));
                        if (!poll_ms)
                                PMD_INIT_LOG(ERR, "Could not disable "
-                                            "Tx Queue %d\n", tx_queue_id);
+                                            "Tx Queue %d", tx_queue_id);
                }
 
                if (txq->ops != NULL) {
@@ -3968,13 +4006,25 @@ ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
                /* It adds dual VLAN length for supporting dual VLAN */
                if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
                                2 * IXGBE_VLAN_TAG_SIZE) > buf_size) {
+                       if (!dev->data->scattered_rx)
+                               PMD_INIT_LOG(DEBUG, "forcing scatter mode");
                        dev->data->scattered_rx = 1;
+#ifdef RTE_IXGBE_INC_VECTOR
+                       dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
+#else
                        dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+#endif
                }
        }
 
        if (dev->data->dev_conf.rxmode.enable_scatter) {
+               if (!dev->data->scattered_rx)
+                       PMD_INIT_LOG(DEBUG, "forcing scatter mode");
+#ifdef RTE_IXGBE_INC_VECTOR
+               dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
+#else
                dev->rx_pkt_burst = ixgbe_recv_scattered_pkts;
+#endif
                dev->data->scattered_rx = 1;
        }
 
@@ -4062,8 +4112,7 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
                        txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
                } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
                if (!poll_ms)
-                       PMD_INIT_LOG(ERR, "Could not enable "
-                                        "Tx Queue %d\n", i);
+                       PMD_INIT_LOG(ERR, "Could not enable Tx Queue %d", i);
        }
        for (i = 0; i < dev->data->nb_rx_queues; i++) {
 
@@ -4080,8 +4129,7 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
                        rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
                } while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
                if (!poll_ms)
-                       PMD_INIT_LOG(ERR, "Could not enable "
-                                        "Rx Queue %d\n", i);
+                       PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d", i);
                rte_wmb();
                IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), rxq->nb_rx_desc - 1);