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Date: Sat, 16 Apr 2022 17:13:39 +0800 From: Guangbin Huang <huangguangbin2@...wei.com> To: <davem@...emloft.net>, <kuba@...nel.org> CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <lipeng321@...wei.com>, <huangguangbin2@...wei.com>, <chenhao288@...ilicon.com> Subject: [PATCH net-next 5/9] net: hns3: add log for setting tx spare buf size From: Hao Chen <chenhao288@...ilicon.com> 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@...ilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com> --- 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 bea810a26aac..51ee8adab6a3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1868,6 +1868,8 @@ 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)) { @@ -1885,6 +1887,10 @@ 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; -- 2.33.0
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