Adrian

On 12 December 2012 17:39, Andrey Fesenko <f0and...@gmail.com> wrote:
On Thu, Dec 13, 2012 at 5:33 AM, Adrian Chadd <adrian.ch...@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 <f0and...@gmail.com> wrote:
On Thu, Dec 13, 2012 at 4:55 AM, Adrian Chadd <adrian.ch...@gmail.com> wrote:
.. yup, you're doing 11n! Welcome!



Adrian

On 12 December 2012 16:54, Andrey Fesenko <f0and...@gmail.com> wrote:
On Thu, Dec 13, 2012 at 4:44 AM, Adrian Chadd <adrian.ch...@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 <f0and...@gmail.com> wrote:

On Thu, Dec 13, 2012 at 4:32 AM, Adrian Chadd <adr...@freebsd.org> wrote:
What's 'ifconfig wlan0' and 'ifconfig wlan0 list sta' look like?



adrian


On 12 December 2012 15:51, Andrey Fesenko <f0and...@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@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@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

Adrian Chadd wrote:
> Right, that's what "HT" is for.
>
>

Well it would be much clearer to understand by changing the output of the the channel list to show 11b, 11bg, 11n20 and 11n40 channels instead of HT20 and HT40, so people would readily know n-mode was active. HT has no meaning to the general user.

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