ixgbe: add a message when forcing scatter mode

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
index 6daba60..7c04977 100644 (file)
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
@@ -3484,6 +3484,8 @@ 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;
@@ -3494,6 +3496,8 @@ ixgbe_dev_rx_init(struct rte_eth_dev *dev)
        }
 
        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
@@ -3983,6 +3987,8 @@ 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;
@@ -3993,6 +3999,8 @@ ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
        }
 
        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