Re: AR9285 not see n-channels

From: Adrian Chadd <adrian.chadd_at_gmail.com>
Date: Wed, 12 Dec 2012 17:41:17 -0800
Right, that's what "HT" is for.


Adrian

On 12 December 2012 17:39, Andrey Fesenko <f0andrey_at_gmail.com> wrote:
> 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 - 00:41:19 UTC

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