[PATCH V4 net-next 4/4] net: hns3: support dump pfc frame statistics in tx timeout log

Jijie Shao
2024-01-05T01:05:59Z

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

Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.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