2024-04-18 00:29:41

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH v2] wifi: rtw88: suppress messages of failed to flush queue

Driver throws messages when scanning with a lot of traffic, because packets
in TX buffer can not be transmitted in time. Since this is a common
occurrence, change them to debug message with special debug mask that
developers can turn on this mask by default for further analysis.

Cc: Lewis Robbins <[email protected]>
Tested-by: Lewis Robbins <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
v2: modify comment along with changes
---
drivers/net/wireless/realtek/rtw88/debug.h | 1 +
drivers/net/wireless/realtek/rtw88/mac.c | 5 +++--
drivers/net/wireless/realtek/rtw88/pci.c | 3 ++-
3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/debug.h b/drivers/net/wireless/realtek/rtw88/debug.h
index f20c0471c82a..eb69006c463e 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.h
+++ b/drivers/net/wireless/realtek/rtw88/debug.h
@@ -26,6 +26,7 @@ enum rtw_debug_mask {
RTW_DBG_STATE = 0x00020000,
RTW_DBG_SDIO = 0x00040000,

+ RTW_DBG_UNEXP = 0x80000000,
RTW_DBG_ALL = 0xffffffff
};

diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index 699ae3048c6b..0dba8aae7716 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -1039,14 +1039,15 @@ static void __rtw_mac_flush_prio_queue(struct rtw_dev *rtwdev,
msleep(20);
}

- /* priority queue is still not empty, throw a warning,
+ /* priority queue is still not empty, throw a debug message
*
* Note that if we want to flush the tx queue when having a lot of
* traffic (ex, 100Mbps up), some of the packets could be dropped.
* And it requires like ~2secs to flush the full priority queue.
*/
if (!drop)
- rtw_warn(rtwdev, "timed out to flush queue %d\n", prio_queue);
+ rtw_dbg(rtwdev, RTW_DBG_UNEXP,
+ "timed out to flush queue %d\n", prio_queue);
}

static void rtw_mac_flush_prio_queues(struct rtw_dev *rtwdev,
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 9986a4cb37eb..7a093f3d5f74 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -729,7 +729,8 @@ static void __pci_flush_queue(struct rtw_dev *rtwdev, u8 pci_q, bool drop)
}

if (!drop)
- rtw_warn(rtwdev, "timed out to flush pci tx ring[%d]\n", pci_q);
+ rtw_dbg(rtwdev, RTW_DBG_UNEXP,
+ "timed out to flush pci tx ring[%d]\n", pci_q);
}

static void __rtw_pci_flush_queues(struct rtw_dev *rtwdev, u32 pci_queues,
--
2.25.1



2024-04-22 01:38:25

by Ping-Ke Shih

[permalink] [raw]
Subject: Re: [PATCH v2] wifi: rtw88: suppress messages of failed to flush queue

Ping-Ke Shih <[email protected]> wrote:

> Driver throws messages when scanning with a lot of traffic, because packets
> in TX buffer can not be transmitted in time. Since this is a common
> occurrence, change them to debug message with special debug mask that
> developers can turn on this mask by default for further analysis.
>
> Cc: Lewis Robbins <[email protected]>
> Tested-by: Lewis Robbins <[email protected]>
> Signed-off-by: Ping-Ke Shih <[email protected]>

1 patch(es) applied to rtw-next branch of rtw.git, thanks.

8cb090b70068 wifi: rtw88: suppress messages of failed to flush queue

---
https://github.com/pkshih/rtw.git