[RFC] ath10k: use raw tx

Ben Greear greearb at candelatech.com
Thu Sep 11 07:19:22 PDT 2014

On 09/11/2014 03:35 AM, Michal Kazior wrote:
> On 29 August 2014 23:45, Ben Greear <greearb at candelatech.com> wrote:
>> On 08/22/2014 12:52 AM, Michal Kazior wrote:
>>> This is just a reference for anyone interested in
>>> getting injection working with ath10k.
>> Did you try this with encryption?  I can reproduce the crash
>> in open mode on my CT firmware, but I couldn't even get
>> DHCP to complete with wpa2 enabled.
> Hi,
> Late reply, sorry.
> I've just did a quick test on 10.2 (both AP and STA) with WPA2.
> Apparently the raw tx mode requires IV to be set up on host and packet
> length (reported in HTT Tx command header) must be re-adjusted
> differently, otherwise frames are broken (incorrect FCS, too long,
> somewhat encrypted except LLC/SNAP). The best I could get were
> FCS-correct undecryptable frames on air. Perhaps someone will figure
> that out..
> Another way around this would be to perform software crypto for tx
> entirely on host.

That did not fix the problem for me.  The firmware/hardware could not be
convinced (by me, at least) to leave the encrypted packet alone and insisted on
doing at least partial re-crypt, or something like that.


> Michał

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

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