[PATCH 5.15 129/203] net: hns3: fix output information incomplete for dumping tx queue info with debugfs

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From: Jie Wang <wangjie125@xxxxxxxxxx>

[ Upstream commit 89f6bfb071182f05d7188c255b0e7251c3806f16 ]

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@xxxxxxxxxx>
Signed-off-by: Hao Lan <lanhao@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 15ce1a33649ee..3158c08a3aa9c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -123,7 +123,7 @@ 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 814f7491ca08d..fb0c907cec852 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h
@@ -8,6 +8,7 @@
 #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
-- 
2.39.2






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