QCA988X firmware crash when sending in monitor mode

[Ben Greear]

On 11/07/2016 03:03 PM, Michal Kazior wrote:
> On 7 November 2016 at 15:22, Ouri Lipner <lipner at equus-tech.com> wrote:
>> Hi all,
>> I’m consistently encountering issues with raw wifi packet injection.
>>
>> Sending a raw packet in monitor mode keeps crashing the firmware.
>> This happens consistently with every firmware that supports raw mode.
>> Currently on kernel 4.9-rc2 but older drivers behave the same.
>> Is this an issues with a missing parameter (e.g. in RadioTap) or a real problem with the firmware?
>
> To the best of my knowledge firmware does not support frame injection
> on monitor vdev. Therefore this is expected. Moreover this limitation
> is mentioned on ath10k wiki:
> https://wireless.wiki.kernel.org/en/users/drivers/ath10k
>
>
>> Any ideas?
>
> You could probably hack up the driver to create and use AP or STA vdev
> alongside monitor vdev to use it's vdev_id for frame injection. I'm
> not aware of anyone trying that out so far though.

I had this sort of half-arsed working at one point, but it was very limitted
and could only send legacy rate frames.

Ouri:  What are your goals for sending raw frames?

Thanks,
Ben


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com