[PATCH 2/3] ath11k: change return buffer manager for QCA6390

[bqiang at codeaurora.org]

On 2021-09-28 23:14, Kalle Valo wrote:
> Jouni Malinen <jouni at codeaurora.org> writes:
> 
>> From: Baochen Qiang <bqiang at codeaurora.org>
>> 
>> QCA6390 firmware uses HAL_RX_BUF_RBM_SW1_BM, not 
>> HAL_RX_BUF_RBM_SW3_BM.
>> 
>> Tested-on: QCA6390 hw2.0 PCI 
>> WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
>> 
>> Signed-off-by: Baochen Qiang <bqiang at codeaurora.org>
>> Signed-off-by: Jouni Malinen <jouni at codeaurora.org>
> 
> Same question as in patch 1, does this fix a bug or is just a
> theoretical issue found during code review?

Yes, this patch did fix a bug.
QCA6390 firmware expects some specific packets from WBM2SW1 ring, which, 
however, will
not happen because they are routed directly to host through WBM2SW3 ring 
due to wrong
configuration of RBM.