netdev - [PATCH net 1/4] net: hns3: fix output information incomplete for dumping tx queue info with debugfs

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Date: Fri, 12 May 2023 18:00:11 +0800
From: Hao Lan <lanhao@...wei.com>
To: <netdev@...r.kernel.org>
CC: <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <lanhao@...wei.com>, <huangguangbin2@...wei.com>,
	<simon.horman@...igine.com>, <shaojijie@...wei.com>, <chenhao418@...wei.com>,
	<shenjian15@...wei.com>, <liuyonglong@...wei.com>, <wangjie125@...wei.com>,
	<yuanjilin@...rlc.com>, <cai.huoqing@...ux.dev>, <xiujianfeng@...wei.com>,
	<tanhuazhong@...wei.com>
Subject: [PATCH net 1/4] net: hns3: fix output information incomplete for dumping tx queue info with debugfs

From: Jie Wang <wangjie125@...wei.com>

In function hns3_dump_tx_queue_info, The print buffer is not enough when
the tx BD number is configured to 32760. As a result several BD
information wouldn't be displayed.

So fix it by increasing the tx queue print buffer length.

Fixes: 630a6738da82 ("net: hns3: adjust string spaces of some parameters of tx bd info in debugfs")
Signed-off-by: Jie Wang <wangjie125@...wei.com>
Signed-off-by: Hao Lan <lanhao@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 2 +-
 drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 4c3e90a1c4d0..d385ffc21876 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -130,7 +130,7 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
 		.name = "tx_bd_queue",
 		.cmd = HNAE3_DBG_CMD_TX_BD,
 		.dentry = HNS3_DBG_DENTRY_TX_BD,
-		.buf_len = HNS3_DBG_READ_LEN_4MB,
+		.buf_len = HNS3_DBG_READ_LEN_5MB,
 		.init = hns3_dbg_bd_file_init,
 	},
 	{
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
index 97578eabb7d8..4a5ef8a90a10 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
@@ -10,6 +10,7 @@
 #define HNS3_DBG_READ_LEN_128KB	0x20000
 #define HNS3_DBG_READ_LEN_1MB	0x100000
 #define HNS3_DBG_READ_LEN_4MB	0x400000
+#define HNS3_DBG_READ_LEN_5MB	0x500000
 #define HNS3_DBG_WRITE_LEN	1024
 
 #define HNS3_DBG_DATA_STR_LEN	32
-- 
2.30.0