From 2373b35c24ffdf680efad11377ceb994149b1f6f Mon Sep 17 00:00:00 2001
From: Hao Chen <chenhao288@hisilicon.com>
Date: Tue, 19 Apr 2022 11:27:05 +0800
Subject: [PATCH] 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>
---
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index e647751e90547..73498e125492c 100644
--- 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;