Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 24 Feb 2014 07:53:48 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Michael BlackHeart <amdmiek@gmail.com>
Cc:        "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>, freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: WiFi configuration
Message-ID:  <CAJ-Vmom9wfFp7D9in2tMCroRwnKiUpqsj2DSu0GQbpsgmOmQLw@mail.gmail.com>
In-Reply-To: <CA%2BAz77MFQNhQCJ8mw_M2HnOsrVzju8pEF2Xn5=_4svmqDrX4Yg@mail.gmail.com>
References:  <CA%2BAz77NBr91hEHAPTBrNmuEdnhbZD%2BnywB-%2BsVvRFES8sE9Ttw@mail.gmail.com> <CAJ-VmokY3c1tRHSzk9UsBcxriHUjsmH4TEByHxXqadEy8pAyRQ@mail.gmail.com> <CA%2BAz77MFQNhQCJ8mw_M2HnOsrVzju8pEF2Xn5=_4svmqDrX4Yg@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Hi,

It's a hold-over from what wifi will let you get away with. Just stick
to 1500 and let the 802.11n A-MPDU aggregate things as appropriate.


-a

On 24 February 2014 00:56, Michael BlackHeart <amdmiek@gmail.com> wrote:
>
>
>
> 2014-02-24 10:35 GMT+04:00 Adrian Chadd <adrian@freebsd.org>:
>
>> Hi
>>
>> all you need is:
>>
>> interface=wlan0
>> driver=bsd
>> ssid=CACHEBOY_11N_1
>> wpa=3
>> wpa_key_mgmt=WPA-PSK
>> wpa_passphrase=PasswordGoesHere
>> wpa_pairwise=CCMP
>> ctrl_interface=/var/run/hostapd
>>
>>
>> I haven't tried running the wifi with an mtu greater than the default
>> (1500). Why are you trying to do this?
>>
>
> As far I understand MTU 2290 is native to wireless/ath/freebsd driver.
>
> Look at this
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
> ether cc:b2:55:00:68:1f
> media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
> status: running
>
> But when freebsd creates wlan0 it's lowered to 1500. I tried with another
> ath WiFi card this way - worked fine with 2290 MTU in a bridge. BTW 2290 is
> max value, but it seems than noone looked into wifi MTU under freebsd,
> theoretically it could be about 7k to 9k - normal jumbo frame. 2290 is some
> kinda way of baby jumbo frames - they're slightly bigger than 1.5k.
>
> So next is the bridge. By default bridge uses the MTU of a first member, so
> if it will be a stock ethernet i-face so it'll be again 1500.
>
> If you're asking me why am I to use increased MTU - I see it reasonable.
>
>>
>> you also don't need to say ht, it'll automatically do ht for you.
>>
>> -a
>
>
>
>
> --
> amd_miek
> Think different.
> Just superior.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-Vmom9wfFp7D9in2tMCroRwnKiUpqsj2DSu0GQbpsgmOmQLw>