ath10k: qca6174 firmware: difference between hw2.1/firmware-5 and hw3.0/firmware-4

Xuebing Wang xbing6 at
Wed Aug 24 02:11:42 PDT 2016

Hi Michal, thanks.

Hi Kalle,

Is there a version of hw3.0 firmware (without Rx offloading) for me to 
give a try of Monitor Mode on qca6174 hw3.2 chip? Thanks.


On 08/24/2016 02:13 PM, Michal Kazior wrote:
> On 24 August 2016 at 05:57, Xuebing Wang <xbing6 at> wrote:
>> Hi Kalle,
>> I cloned your ath10k-firmware from your github. Would you please advise what
>> are the differences of hw2.1/firmware-5 and hw3.0/firmware-4 for qca6174?
>> Does hw3.0/firmware-4 support Monitor Mode?
>> I have a wlan card with BMI version (QCA6174_HW_2_1_VERSION 0x05010000) and
>> Monitor Mode works no problem with latest kernel v4.8-rc2.
>> I have another wlan card with (QCA6174_HW_3_2_VERSION 0x05030000). I am
>> trying to back-port ath10k from v4.8-rc2 to 3.10.73 for this HW_3_2 QCA6174
>> wlan card. Virtual interface (mon0) can be added and brought-up, but tcpdump
>> can not capture any packets. I am wondering if it could be related to
>> (hw2.1/firmware-5 vs hw3.0/firmware-4)?
> Official hw3.x's firmware supports full rx offload. Rx event used to
> deliver frames is very specialized effectively preventing sniffing /
> monitor operation.
> I don't know if there's any way around it without getting your hands
> on firmware build that doesn't have the full rx offload compiled in
> (assuming such a build even exists).
> Michał


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