From c68cf82173a1b1f26947bc255d096323415f7569 Mon Sep 17 00:00:00 2001 From: Hao Chen Date: Tue, 14 Jun 2022 16:22:51 +0800 Subject: [PATCH] net: hns3: add log for setting tx spare buf size mainline inclusion from mainline-origin commit 2373b35c24ff category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I56XHY CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2373b35c24ff ---------------------------------------------------------------------- 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 Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller Signed-off-by: Jiantao Xiao Reviewed-by: Yue Haibing Reviewed-by: Jian Shen Signed-off-by: Zheng Zengkai --- 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 4899b89fe69b..fb86da4296a2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1885,6 +1885,8 @@ 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)) { @@ -1902,6 +1904,10 @@ 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; -- GitLab