Re: AR9285 not see n-channels

From: Andrey Fesenko <f0andrey_at_gmail.com>
Date: Thu, 13 Dec 2012 05:39:42 +0400
On Thu, Dec 13, 2012 at 5:33 AM, Adrian Chadd <adrian.chadd_at_gmail.com> wrote:
> Hi,
>
> The AR9285 is a 2GHz only NIC.
>
> The channel list shows 11b, 11bg, HT20 and HT40 channels.
>
> It all looks right, why don't you think it is?
>
>
> Adrian
>
>
> On 12 December 2012 17:32, Andrey Fesenko <f0andrey_at_gmail.com> wrote:
>> 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

Thanks

I was confused that there is no mention n-mode in the output channel list
Received on Thu Dec 13 2012 - 00:39:43 UTC

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