Re: AR9285 not see n-channels

From: Adrian Chadd <adrian.chadd_at_gmail.com>
Date: Wed, 12 Dec 2012 17:33:17 -0800
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
Received on Thu Dec 13 2012 - 00:33:20 UTC

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