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Message-ID: <20240105010119.2619873-5-shaojijie@huawei.com>
Date: Fri, 5 Jan 2024 09:01:19 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <horms@...nel.org>
CC: <shenjian15@...wei.com>, <wangjie125@...wei.com>,
	<liuyonglong@...wei.com>, <lanhao@...wei.com>, <wangpeiyang1@...wei.com>,
	<shaojijie@...wei.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH V4 net-next 4/4] net: hns3: support dump pfc frame statistics in tx timeout log

Continuous pfc frames may cause tx timeout.
Therefore, pfc frame statistics are added to logs.

Signed-off-by: Jijie Shao <shaojijie@...wei.com>
Reviewed-by: Simon Horman <horms@...nel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hnae3.h             | 2 ++
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c         | 6 ++++--
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 ++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index ff475b0eac22..bf1e386617bc 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -209,6 +209,8 @@ struct hnae3_queue {
 struct hns3_mac_stats {
 	u64 tx_pause_cnt;
 	u64 rx_pause_cnt;
+	u64 tx_pfc_cnt;
+	u64 rx_pfc_cnt;
 };
 
 /* hnae3 loop mode */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b618797a7e8d..8e237f0f4fc9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2871,8 +2871,10 @@ static bool hns3_get_tx_timeo_queue_info(struct net_device *ndev)
 		struct hns3_mac_stats mac_stats;
 
 		h->ae_algo->ops->get_mac_stats(h, &mac_stats);
-		netdev_info(ndev, "tx_pause_cnt: %llu, rx_pause_cnt: %llu\n",
-			    mac_stats.tx_pause_cnt, mac_stats.rx_pause_cnt);
+		netdev_info(ndev,
+			    "tx_pause_cnt: %llu, rx_pause_cnt: %llu, tx_pfc_cnt: %llu, rx_pfc_cnt: %llu\n",
+			    mac_stats.tx_pause_cnt, mac_stats.rx_pause_cnt,
+			    mac_stats.tx_pfc_cnt, mac_stats.rx_pfc_cnt);
 	}
 
 	hns3_dump_queue_reg(ndev, tx_ring);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index cf85ef55a0f4..f70a1159de40 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -775,6 +775,8 @@ static void hclge_get_mac_stat(struct hnae3_handle *handle,
 
 	mac_stats->tx_pause_cnt = hdev->mac_stats.mac_tx_mac_pause_num;
 	mac_stats->rx_pause_cnt = hdev->mac_stats.mac_rx_mac_pause_num;
+	mac_stats->tx_pfc_cnt = hdev->mac_stats.mac_tx_pfc_pause_pkt_num;
+	mac_stats->rx_pfc_cnt = hdev->mac_stats.mac_rx_pfc_pause_pkt_num;
 }
 
 static int hclge_parse_func_status(struct hclge_dev *hdev,
-- 
2.30.0


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