[ath9k-devel] Fully control ethernet frame

[Ben Greear <greearb@candelatech.com>]

On 07/08/2016 10:46 AM, Adrian Chadd wrote:
> hi,
>
> There's a transmit descriptor bit, AR_CorruptFCS, which you can set
> and it will negate the FCS so it always fails.
>
> Look in the ar9002_mac.c / ar9003_mac.c where NoAck is set; i think
> AR_CorruptFCS should also be set in that (ctl1 for ar9002 and below,
> ctl12 for ar9003)

Neat.

e1000e (I think?) and some other drivers I mucked with long ago have
the ability to accept FCS from user-space.  If someone adds that
same support to ath9k then that would make applications supporting
this API able to work on ath9k devices as well...

Thanks,
Ben

>
>
> -a
>
>
> On 8 July 2016 at 00:08, ??? <tkdgur7896@gmail.com> wrote:
>> Hi all,
>>
>> I want to make corrupted packet by wrong CRC/FCS
>>
>> I have two questions.
>>
>> 1) Can I handle CRC/FCS when ethernet frame be made at Tx ?
>>
>> 2-1) If can, how can I ? or where is related source?
>>
>> 2-2) If can?t, is there any way to control CRC/FCS at Tx ?
>>
>> Thanks.
>> _______________________________________________
>> ath9k-devel mailing list
>> ath9k-devel at lists.ath9k.org
>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
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>


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