11n in adhoc mode

[Adrian Chadd]

Yay, bug!



Adrian


On 22 October 2012 07:21, Adrian Chadd <adrian at freebsd.org> wrote:
> .. please file a bug. :-) Now that I have VIMAGE mostly working with
> wifi, I'd like to take the opportunity to fix whatever 11n ibss bugs
> you see.
>
> There's no reason why aggregation and MCS rates shouldn't work with
> IBSS. The only questionable issue right now is encryption and that
> requires some stack/driver changes to fully support. (Read: You can't
> do 11n + WEP by default (no, don't ask me to make it work with ath(4),
> I won't :-)) and getting the CCMP encryption working in IBSS mode
> requires changes to the crypto key and keycache programming.
>
>
>
> Adrian
>
> On 18 October 2012 00:52, Adrian Chadd <adrian at freebsd.org> wrote:
>> Ah, it looks like the MCS rate stuff isn't being setup or negotiated right?
>>
>> Please file a bug. I'm not sure if I'll have time to dig into it
>> though; but it should be easy to fix.
>>
>>
>>
>> adrian
>>
>> On 18 October 2012 00:48, Johann Hugo <jhugo at meraka.csir.co.za> wrote:
>>> On Thursday 18 October 2012 09:37:09 Adrian Chadd wrote:
>>>
>>>> Hi,
>>>
>>>>
>>>
>>>> Try disabling ampdu - ifconfig wlanX -ampdu
>>>
>>>
>>>
>>> Nope, still the same. (done on both sides)
>>>
>>>
>>>
>>> mesh-1d04:~ # ifconfig wlan1 -ampdu
>>>
>>> mesh-1d04:~ # ifconfig wlan1
>>>
>>> wlan1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>
>>> ether 00:0c:42:6c:61:91
>>>
>>> inet 10.50.50.1 netmask 0xffffff00 broadcast 10.50.50.255
>>>
>>> inet6 fe80::20c:42ff:fe6c:6191%wlan1 prefixlen 64 scopeid 0x8
>>>
>>> inet6 fde4:7b85:9218:10:20c:42ff:fe6c:6191 prefixlen 64
>>>
>>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>>
>>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11na <adhoc>
>>>
>>> status: running
>>>
>>> ssid testADHOC channel 28 (5140 MHz 11a ht/40-) bssid 02:8c:ca:fe:ca:10
>>>
>>> regdomain NONE country ZA ecm authmode OPEN privacy OFF txpower 17
>>>
>>> mcastrate 6 mgmtrate 6 scanvalid 60 -ampdu ampdulimit 8k
>>>
>>> ampdudensity 8 shortgi wme burst
>>>
>>>
>>>
>>> mesh-1d04:~ # ifconfig wlan1 list sta
>>>
>>> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG
>>>
>>> 00:0c:42:6c:61:91 0 28 0M 18.5 30 25 0 I A
>>>
>>> 00:0c:42:6c:63:20 0 28 54M 18.5 0 3 288 I AQ HTCAP WME
>>>
>>>
>>>
>>> mesh-1d04:~ # iperf -c 10.50.50.2
>>>
>>> ------------------------------------------------------------
>>>
>>> Client connecting to 10.50.50.2, TCP port 5001
>>>
>>> TCP window size: 32.5 KByte (default)
>>>
>>> ------------------------------------------------------------
>>>
>>> [ 3] local 10.50.50.1 port 61073 connected with 10.50.50.2 port 5001
>>>
>>> [ ID] Interval Transfer Bandwidth
>>>
>>> [ 3] 0.0-10.1 sec 24.5 MBytes 20.4 Mbits/sec
>>>
>>> mesh-1d04:~ # ifconfig wlan1 list sta
>>>
>>> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG
>>>
>>> 00:0c:42:6c:61:91 0 28 0M 18.5 0 43 656 I A
>>>
>>> 00:0c:42:6c:63:20 0 28 54M 18.0 0 17776 59552 I AQ HTCAP WME
>>>
>>> mesh-1d04:~ # athratestats -i ath1 -m 00:0c:42:6c:63:20
>>>
>>> static_rix (-1) ratemask 0x0
>>>
>>> [ 250] cur rate 54 Mb since switch: packets 4 ticks 292459
>>>
>>> [ 250] last sample (6 Mb) cur sample (0 ) packets sent 28
>>>
>>> [ 250] packets since sample 6 sample tt 0
>>>
>>>
>>>
>>> [1600] cur rate 54 Mb since switch: packets 1 ticks 292477
>>>
>>> [1600] last sample (36 Mb) cur sample (0 ) packets sent 17748
>>>
>>> [1600] packets since sample 20 sample tt 764
>>>
>>>
>>>
>>> TX Rate TXTOTAL:TXOK EWMA T/ F avg last xmit
>>>
>>> [ 9 Mb:1600] 1:1 (100.0%) 1/ 0 1848uS 291850
>>>
>>> [18 Mb:1600] 17:17 (100.0%) 19/ 0 1193uS 292315
>>>
>>> [24 Mb:1600] 28:28 (100.0%) 30/ 0 956uS 292259
>>>
>>> [36 Mb: 250] 1:1 (100.0%) 1/ 0 464uS 288917
>>>
>>> [36 Mb:1600] 203:203 (100.0%) 214/ 0 1003uS 292325
>>>
>>> [48 Mb:1600] 7733:7733 (100.0%) 8335/ 0 794uS 292323
>>>
>>> [54 Mb: 250] 27:27 (100.0%) 27/ 0 444uS 292478
>>>
>>> [54 Mb:1600] 9767:9767 (100.0%) 10518/ 0 648uS 292477
>>>
>>>
>>>
>>>
>>>
>>>>
>>>
>>>>
>>>
>>>>
>>>
>>>>
>>>
>>>> Adrian
>>>
>>>>
>>>
>>>> On 18 October 2012 00:34, Johann Hugo <jhugo at meraka.csir.co.za> wrote:
>>>
>>>> > Hi
>>>
>>>> >
>>>
>>>> > Finally got a 11n test setup running FreeBSD 10.0-CURRENT on two ARM
>>>
>>>> > boards.
>>>
>>>> >
>>>
>>>> > HW = gateworks ARM
>>>
>>>> > OS = FreeBSD 10.0-CURRENT
>>>
>>>> > Build = arm-10-20121011
>>>
>>>> > Wifi = RouterBOARD R52nM = AR9220
>>>
>>>> >
>>>
>>>> > 11n works if one device is in AP mode and the other in ST mode, but I
>>>> > can
>>>
>>>> > get it running with both devices in ADHOC mode.
>>>
>>>> >
>>>
>>>> > Is there a special switch or something that I need to toggle for 11n to
>>>
>>>> > work in ADHOC mode ?
>>>
>>>> >
>>>
>>>> > Johann
>>>
>>>> >
>>>
>>>> > _______________________________________________
>>>
>>>> > freebsd-wireless at freebsd.org mailing list
>>>
>>>> > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless
>>>
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>>>
>>>> > "freebsd-wireless-unsubscribe at freebsd.org"
>>>
>>>