2020-09-25 06:20:14

by Andy Huang

Subject: [PATCH 1/5] rtw88: increse the size of rx buffer size

From: Tzu-En Huang <[email protected]>

The vht capability of MAX_MPDU_LENGTH is 11454 in rtw88; however, the rx
buffer size for each packet is 8192. When receiving packets that are
larger than rx buffer size, it will leads to rx buffer ring overflow.

Signed-off-by: Tzu-En Huang <[email protected]>
---
drivers/net/wireless/realtek/rtw88/pci.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
index 024c2bc275cb..ca17aa9cf7dc 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.h
+++ b/drivers/net/wireless/realtek/rtw88/pci.h
@@ -9,8 +9,8 @@
#define RTK_BEQ_TX_DESC_NUM 256

#define RTK_MAX_RX_DESC_NUM 512
-/* 8K + rx desc size */
-#define RTK_PCI_RX_BUF_SIZE (8192 + 24)
+/* 11K + rx desc size */
+#define RTK_PCI_RX_BUF_SIZE (11454 + 24)

#define RTK_PCI_CTRL 0x300
#define BIT_RST_TRXDMA_INTF BIT(20)
--
2.17.1

2020-09-29 08:23:54

by Kalle Valo

Subject: Re: [PATCH 1/5] rtw88: increse the size of rx buffer size

<[email protected]> wrote:

> From: Tzu-En Huang <[email protected]>
>
> The vht capability of MAX_MPDU_LENGTH is 11454 in rtw88; however, the rx
> buffer size for each packet is 8192. When receiving packets that are
> larger than rx buffer size, it will leads to rx buffer ring overflow.
>
> Signed-off-by: Tzu-En Huang <[email protected]>

5 patches applied to wireless-drivers-next.git, thanks.

ee755732b7a1 rtw88: increse the size of rx buffer size
5c831644e1f4 rtw88: handle and recover when firmware crash
0fbc2f0f34cc rtw88: add dump firmware fifo support
714f71f94ab3 rtw88: add dump fw crash log
fada09311d17 rtw88: show current regulatory in tx power table

--
https://patchwork.kernel.org/patch/11799087/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches