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Date:      Wed, 27 Jul 2011 12:59:07 +0200
From:      Monthadar Al Jaberi <monthadar@gmail.com>
To:        freebsd-wireless@freebsd.org
Subject:   Re: Ack, Net80211 & ath
Message-ID:  <CA%2BsBSoK_0M92O13Xz96FJ-jHgGuE8xc%2BeMDRc6u5=NUEH97=TA@mail.gmail.com>
In-Reply-To: <CA%2BsBSoKjviQyx5KbQrMrF_7LoJx3zeyV0=gXB1RrV==PXd4S_A@mail.gmail.com>
References:  <CA%2BsBSoLmGGZBWLSFbm9kh9YoRa4NO_wkx_330f_U7U7SH8s%2BkA@mail.gmail.com> <CAJ-Vmo=F9LhJaVoQT1t%2BTV-KCPh_D%2BnmH2BGNW=FkFBAzc7Mig@mail.gmail.com> <CA%2BsBSoKjviQyx5KbQrMrF_7LoJx3zeyV0=gXB1RrV==PXd4S_A@mail.gmail.com>

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Ok. For mesh forwarding information, how do I know about link failure
(not able to forward an MSDU/MMPDU). Cause then we need to generate a
PERR frame.

br,

On Wed, Jul 27, 2011 at 12:48 PM, Adrian Chadd <adrian@freebsd.org> wrote:
> Hi,
>
> Yup, you're right. net80211 doesn't get notification of it by default.
>
> What do you need it for?
>
>
> Adrian
>
> On 27 July 2011 18:23, Monthadar Al Jaberi <monthadar@gmail.com> wrote:
>> Hi,
>>
>> How is ack frames being handled by the net80211? I guess the driver
>> (or maybe hardware) takes care of resending, but what happens if it
>> max number of retries is reached? How is net8011 notified?
>>
>> There is ieee80211_add_callback that I think should be used for that,
>> but it is only used by managment frames of type
>> IEEE80211_FC0_SUBTYPE_ASSOC_REQ, IEEE80211_FC0_SUBTYPE_REASSOC_REQ and
>> IEEE80211_FC0_SUBTYPE_AUTH (in station mode) and one for HT code.
>>
>> What about the others? I guess the hardware only keeps stat counters
>> for failures....
>>
>> br,
>>
>> --
>> //Monthadar Al Jaberi
>> _______________________________________________
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>>
>



--
//Monthadar Al Jaberi



-- 
//Monthadar Al Jaberi



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