net: hns3: add log for setting tx spare buf size

For the active tx spare buffer size maybe changed according
to the page size, so add log to notice it.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index e647751e905472cfef468c1077bcf029d8eddd4e..73498e125492c12a9023576ae619c371c987f51f 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -1898,6 +1898,8 @@ static int hns3_set_tunable(struct net_device *netdev,
        case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
                old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
                new_tx_spare_buf_size = *(u32 *)data;
+               netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
+                           old_tx_spare_buf_size, new_tx_spare_buf_size);
                ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
                if (ret ||
                    (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
@@ -1915,6 +1917,10 @@ static int hns3_set_tunable(struct net_device *netdev,
 
                        return ret;
                }
+
+               netdev_info(netdev, "the actvie tx spare buf size is %u, due to page order\n",
+                           priv->ring->tx_spare->len);
+
                break;
        default:
                ret = -EOPNOTSUPP;