[Click] 11n monitor mode NOT answer ACK

[Yongheng Qi]

Thank you very much, I don't ath9k in monitor mode wether have the
problem. But the ath9k have not support our card very well.

On 11/3/09, Javier Sánchez <javier.recacha at gmail.com> wrote:
> Sorry, i have no idea what is the problem then.
>
> 2009/11/2 Yongheng Qi <jetever at gmail.com>
>
>> yes, I use the atheros 11n sdk, and port it to our madwifi.
>>
>> the HAL_TXDESC_NOACK flags, I have use it send the multicast packets.
>>
>> but the not multicast packets, have i_addr packets can't get return ACK.
>>
>> I use Omnipeek get the packets. not find any problem.
>>
>> I don't know if the sdk HAL in monitor mode can't answer ACk.
>>
>>
>> Thanks
>>
>> 2009/11/2 Javier Sánchez <javier.recacha at gmail.com>
>>
>>> I have no idea then.
>>>
>>> Is the packet being transmited correctly from the source device (you can
>>> use dump on 802.11n monitor device to verify) ?
>>>
>>> What driver are u using? u can try to look at the code  (packet injection
>>> code), may be ack flag is desactivated on packet injection ¿?
>>>
>>> on madwifi, ack can be desactivated like this
>>>
>>>     if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
>>>         flags |= HAL_TXDESC_NOACK;    /* no ack on broad/multicast */
>>>         sc->sc_stats.ast_tx_noack++;
>>>         try0 = 1;
>>>     }
>>>
>>> Regards
>>> Javier
>>>
>>> 2009/11/2 Yongheng Qi <jetever at gmail.com>
>>>
>>> yes, 802.11g is OK.
>>>>
>>>> I use roofnet on 802.11g. the click.config like you give.
>>>>
>>>> the same config explant to 802.11n.  other function all is ok but the
>>>> noack.
>>>>
>>>> Thanks
>>>>
>>>> 2009/11/2 Javier Sánchez <javier.recacha at gmail.com>
>>>>
>>>> it was working fine on 802.11g ? or is the first time you try?
>>>>>
>>>>> Have you tried something like this?
>>>>>
>>>>> ...
>>>>> define($IP_ADR 6.0.0.1/8)
>>>>> define($MAC_ADR 00:00:00:00:00:01) //use your real hw mac
>>>>>
>>>>> FromHost(fake1, $IP_ADR, ETHER $MAC_ADR)
>>>>> ...
>>>>>
>>>>> Regards
>>>>> Javier Sánchez
>>>>>
>>>>> On Mon, Nov 2, 2009 at 2:27 PM, Yongheng Qi <jetever at gmail.com> wrote:
>>>>>
>>>>>> Dear all：
>>>>>>
>>>>>> Do you know atheros Ar92xx card monitor mode can answer ACK?
>>>>>>
>>>>>> I write a  program do monitor mode send packet, but the receiver don't
>>>>>> answer ACK.
>>>>>>
>>>>>> how to do can let monitor mode answer ACK?
>>>>>>
>>>>>> Thanks
>>>>>> _______________________________________________
>>>>>> click mailing list
>>>>>> click at amsterdam.lcs.mit.edu
>>>>>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Yongheng Qi
>>>>
>>>> Mobile: +86 1390 119 7481
>>>>
>>>
>>>
>>
>>
>> --
>> Yongheng Qi
>>
>> Mobile: +86 1390 119 7481
>>
>

-- 
Sent from my mobile device

Yongheng Qi

Mobile: +86 1390 119 7481