Re: AR9285 not see n-channels

From: Andrey Fesenko <f0andrey_at_gmail.com>
Date: Thu, 13 Dec 2012 05:32:17 +0400
On Thu, Dec 13, 2012 at 4:55 AM, Adrian Chadd <adrian.chadd_at_gmail.com> wrote:
> .. yup, you're doing 11n! Welcome!
>
>
>
> Adrian
>
> On 12 December 2012 16:54, Andrey Fesenko <f0andrey_at_gmail.com> wrote:
>> On Thu, Dec 13, 2012 at 4:44 AM, Adrian Chadd <adrian.chadd_at_gmail.com> wrote:
>>> Yup. It's doing 11n rates.
>>>
>>> Compile and run athstats, it'll tell you how many aggregate frames are being
>>> sent and received.
>>>
>>>
>>>
>>> Adrian
>>>
>>> Sent from my Palm Pre on AT&T
>>>
>>> ________________________________
>>> On Dec 12, 2012 4:39 PM, Andrey Fesenko <f0andrey_at_gmail.com> wrote:
>>>
>>> On Thu, Dec 13, 2012 at 4:32 AM, Adrian Chadd <adrian_at_freebsd.org> wrote:
>>>> What's 'ifconfig wlan0' and 'ifconfig wlan0 list sta' look like?
>>>>
>>>>
>>>>
>>>> adrian
>>>>
>>>>
>>>> On 12 December 2012 15:51, Andrey Fesenko <f0andrey_at_gmail.com> wrote:
>>>>> I have
>>>>> # uname -a
>>>>> FreeBSD beastie.mydomain.local 10.0-CURRENT FreeBSD 10.0-CURRENT #1
>>>>> r243259: Mon Nov 19 09:28:08 MSK 2012
>>>>> root_at_beastie.mydomain.local:/usr/obj/usr/src/sys/W_BOOK amd64
>>>>> # grep ATH /usr/src/sys/amd64/conf/W_BOOK
>>>>> options ATH_ENABLE_11N
>>>>> options ATH_DEBUG
>>>>> options ATH_DIAGAPI
>>>>>
>>>>> pciconf
>>>>> ath0_at_pci0:5:0:0: class=0x028000 card=0xe016105b chip=0x002b168c
>>>>> rev=0x01 hdr=0x00
>>>>> vendor = 'Atheros Communications Inc.'
>>>>> device = 'AR9285 Wireless Network Adapter (PCI-Express)'
>>>>> class = network
>>>>>
>>>>>
>>>>> # ifconfig -v wlan0 list channel
>>>>> Channel 1 : 2412 MHz 11b Channel 7 : 2442 MHz 11g ht/20
>>>>> Channel 1 : 2412 MHz 11g Channel 8 : 2447 MHz 11b
>>>>> Channel 1 : 2412 MHz 11g ht/20 Channel 8 : 2447 MHz 11g
>>>>> Channel 2 : 2417 MHz 11b Channel 8 : 2447 MHz 11g ht/20
>>>>> Channel 2 : 2417 MHz 11g Channel 9 : 2452 MHz 11b
>>>>> ....
>>>>>
>>>>> wi-fi router have and enable n-mode (linksys e4200)
>>>>> How to turn on or activate n-mode?
>>>
>>> # ifconfig wlan0 list sta
>>> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG
>>> 58:6d:8f:fa:d9:50 5 12 72M 27.5 0 2079 31872 EP AQEHTRS
>>> RSN HTCAP WME WPS
>>> # ifconfig wlan0
>>> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>> ether 4c:0f:6e:4b:4e:f5
>>> inet 192.168.1.41 netmask 0xffffff00 broadcast 192.168.1.255
>>> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>> media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
>>> status: associated
>>> ssid hometest channel 12 (2467 MHz 11g ht/20) bssid 58:6d:8f:fa:d9:50
>>> regdomain 101 indoor ecm authmode WPA2/802.11i privacy ON
>>> deftxkey UNDEF AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 20 bmiss 7
>>> scanvalid 60 protmode CTS ampdulimit 64k ampdudensity 4 shortgi wme
>>> burst roaming MANUAL
>>
>> # ./athstats
>> 526213       data frames received
>> 10205        data frames transmit
>> 79           short on-chip tx retries
>> 103          long on-chip tx retries
>> 16           tx failed 'cuz too many retries
>> 220          mib overflow interrupts
>> MCS7         current transmit rate
>> 1            watchdog timeouts
>> 42           beacon miss interrupts
>> 23154        rx failed 'cuz of bad CRC
>> 56           rx failed 'cuz of PHY err
>>     56           illegal service
>> 1638         periodic calibrations
>> -0/+0        TDMA slot adjust (usecs, smoothed)
>> 56           rssi of last ack
>> 50           avg recv rssi
>> -96          rx noise floor
>> 13           phantom beacon misses
>> 6569         tx frames through raw api
>> 1460         A-MPDU sub-frames received
>> 183          Half-GI frames received
>> 183          40MHz frames received
>> 2397         CRC errors for non-last A-MPDU subframes
>> 3151         Frames transmitted with HT Protection
>> 25           A-MPDU sub-frame TX attempt success
>> 2            first step level
>> 1            OFDM weak signal detect
>> 268          listen time
>> 190          ANI increased spur immunity
>> 174          ANI decrease spur immunity
>> 2            ANI enabled OFDM weak signal detect
>> 3517         ANI disabled OFDM weak signal detect
>> 3515         ANI disabled CCK weak signal threshold
>> 4            ANI increased first step level
>> 2            ANI decreased first step level
>> 154772       cumulative OFDM phy error count
>> 528256       cumulative CCK phy error count
>> 851          ANI forced listen time to zero
>> 26           missing ACK's
>> 78           RTS without CTS
>> 3135         successful RTS
>> 65747        bad FCS
>> 473007       beacons received
>> 53           average rssi (beacons only)
>> 35           average rssi (all rx'd frames)
>> 48           average rssi (ACKs only)
>> Antenna profile:
>> [0] tx    10173 rx        4
>> [1] tx        0 rx   526209
>>
>>
>> # ./athaggrstats
>> 17       single frames scheduled
>> 9        aggregate frames scheduled
>> 1217     single frames scheduled due to low HWQ depth
>>
>> Aggregate size profile:
>>
>>  0:            0  1:            0  2:            6  3:            2
>>  4:            0  5:            0  6:            0  7:            1
>>  8:            0  9:            0 10:            0 11:            0

why # ifconfig -v wlan0 list channel
show only b and g channels? and only 13? or this restriction AR9285

though
# iperf -i 10 -t 20 -c 192.168.1.26 -w 1024K -l 1024K
------------------------------------------------------------
Client connecting to 192.168.1.26, TCP port 5001
TCP window size: 1.00 MByte (WARNING: requested 1.00 MByte)
------------------------------------------------------------
[  3] local 192.168.1.41 port 22263 connected with 192.168.1.26 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  54.0 MBytes  45.3 Mbits/sec
Received on Thu Dec 13 2012 - 00:32:19 UTC

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