On Tue, Dec 6, 2011 at 3:28 PM, Bishal Thapa <[email protected]> wrote:
> Hello list,

Hi Bishal,


>  I am following up with Chun-Yeow's report. I used 
> compat-wireless-2011-11-22. I am using Ubuntu 11.10. Two different set of 
> IEEE802.11n hardware:
>
> 1) TP-Link TL-WN821N AR9287 - rev2 USB dongles
> 2) Azurewave AR5008 (rev1) AR5BXB72 PCIe cards
>
> Things I did to get Over-The-Air experimentation going:
>
> a) Applied Chun-Yeow's recommended patch to enable the HW acceleration for 
> ath9k (Therefore, didn't have to do nohwcrypt=1)
> b) Changed ath9k rate adaptation algorithm to minstrel in config.mk
> c) For (2), had to fix the ath9k filtering issue suggested by 
> http://open80211s.org/trac/wiki/ath9kFilteringIssueFix
>  (Otherwise it will form neighbors, but ARP request and replies won't succeed 
> without the FilteringIssueFix)
> d) For (1), had to add support for NL80211_IFTYPE_MESH_POINT interface 
> suggested by Javier Cardona on June 9th, 2011
>  (Surprisingly the patch was not there already at least in 
> compat-wireless-2011-11-22)
>
> Then, I get following HT throughput.
>
> I: Between (1) cards :)
>
> bishal@A:~$ iperf -c 10.105.0.5 -t 10 -i 1
> ------------------------------------------------------------
> Client connecting to 10.105.0.5, TCP port 5001
> TCP window size: 21.0 KByte (default)
> ------------------------------------------------------------
> [  3] local 10.105.0.6 port 34993 connected with 10.105.0.5 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 1.0 sec  14.4 MBytes   121 Mbits/sec
> [  3]  1.0- 2.0 sec  14.5 MBytes   122 Mbits/sec
> [  3]  2.0- 3.0 sec  13.8 MBytes   115 Mbits/sec
> [  3]  3.0- 4.0 sec  14.5 MBytes   122 Mbits/sec
> [  3]  4.0- 5.0 sec  14.8 MBytes   124 Mbits/sec
> [  3]  5.0- 6.0 sec  14.6 MBytes   123 Mbits/sec
> [  3]  6.0- 7.0 sec  13.6 MBytes   114 Mbits/sec
> [  3]  7.0- 8.0 sec  15.1 MBytes   127 Mbits/sec
> [  3]  8.0- 9.0 sec  14.2 MBytes   120 Mbits/sec
> [  3]  9.0-10.0 sec  13.6 MBytes   114 Mbits/sec
> [  3]  0.0-10.0 sec   143 MBytes   120 Mbits/sec
>
> bishal@A:~$ iperf -c 10.105.0.5 -u -b 300m -t 10 -i 1
> ------------------------------------------------------------
> Client connecting to 10.105.0.5, UDP port 5001
> Sending 1470 byte datagrams
> UDP buffer size:  160 KByte (default)
> ------------------------------------------------------------
> [  3] local 10.105.0.6 port 57341 connected with 10.105.0.5 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 1.0 sec  23.7 MBytes   199 Mbits/sec
> [  3]  1.0- 2.0 sec  23.0 MBytes   193 Mbits/sec
> [  3]  2.0- 3.0 sec  23.2 MBytes   195 Mbits/sec
> [  3]  3.0- 4.0 sec  23.2 MBytes   195 Mbits/sec
> [  3]  4.0- 5.0 sec  23.2 MBytes   194 Mbits/sec
> [  3]  5.0- 6.0 sec  23.0 MBytes   193 Mbits/sec
> [  3]  6.0- 7.0 sec  23.1 MBytes   194 Mbits/sec
> [  3]  7.0- 8.0 sec  23.1 MBytes   194 Mbits/sec
> [  3]  8.0- 9.0 sec  23.9 MBytes   200 Mbits/sec
> [  3]  9.0-10.0 sec  23.1 MBytes   194 Mbits/sec
> [  3]  0.0-10.0 sec   233 MBytes   195 Mbits/sec
> [  3] Sent 165883 datagrams
> [  3] Server Report:
> [  3]  0.0-10.0 sec   232 MBytes   194 Mbits/sec   0.096 ms  585/165882 
> (0.35%)
>
>
>
> II: Between (2) cards :(
>
> bishal@C:~$ iperf -c 10.105.0.2 -u -b 100m -t 10 -i 1
> ------------------------------------------------------------
> Client connecting to 10.105.0.2, UDP port 5001
> Sending 1470 byte datagrams
> UDP buffer size:  160 KByte (default)
> ------------------------------------------------------------
> [  3] local 10.105.0.1 port 56893 connected with 10.105.0.2 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 1.0 sec  4.57 MBytes  38.3 Mbits/sec
> [  3]  1.0- 2.0 sec  5.97 MBytes  50.0 Mbits/sec
> [  3]  2.0- 3.0 sec  5.64 MBytes  47.3 Mbits/sec
> [  3]  3.0- 4.0 sec  5.97 MBytes  50.1 Mbits/sec
> [  3]  4.0- 5.0 sec  5.83 MBytes  48.9 Mbits/sec
> [  3]  5.0- 6.0 sec  5.89 MBytes  49.4 Mbits/sec
> [  3]  6.0- 7.0 sec  6.00 MBytes  50.3 Mbits/sec
> [  3]  7.0- 8.0 sec  5.96 MBytes  50.0 Mbits/sec
> [  3]  8.0- 9.0 sec  5.91 MBytes  49.6 Mbits/sec
> [  3]  9.0-10.0 sec  5.85 MBytes  49.0 Mbits/sec
> [  3]  0.0-10.0 sec  57.6 MBytes  48.3 Mbits/sec
> [  3] Sent 41072 datagrams
> [  3] Server Report:
> [  3]  0.0-10.0 sec  57.6 MBytes  48.2 Mbits/sec   0.375 ms    0/41071 (0%)
> [  3]  0.0-10.0 sec  1 datagrams received out-of-order
>
>
>
> bishal@D:~$ iperf -c 10.105.0.1 -u -b 100m -t 10 -i 1
> ------------------------------------------------------------
> Client connecting to 10.105.0.1, UDP port 5001
> Sending 1470 byte datagrams
> UDP buffer size:   160 KByte (default)
> ------------------------------------------------------------
> [  3] local 10.105.0.2 port 34067 connected with 10.105.0.1 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 1.0 sec  2.17 MBytes  18.2 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  1.0- 2.0 sec  1.95 MBytes  16.3 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  2.0- 3.0 sec  1.88 MBytes  15.8 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  3.0- 4.0 sec  1.94 MBytes  16.3 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  4.0- 5.0 sec  1.94 MBytes  16.3 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  5.0- 6.0 sec  1.88 MBytes  15.7 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  6.0- 7.0 sec  1.95 MBytes  16.3 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  7.0- 8.0 sec  1.95 MBytes  16.3 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  8.0- 9.0 sec  1.89 MBytes  15.9 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  9.0-10.0 sec  1.93 MBytes  16.2 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0-10.0 sec  19.5 MBytes  16.3 Mbits/sec
> [  3] Sent 13890 datagrams
> [  3] Server Report:
> [ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total 
> Datagrams
> [  3]  0.0-10.1 sec  19.5 MBytes  16.1 Mbits/sec  2.574 ms    0/13890 (0%)
>
> bishal@D:~$ iperf -c 10.105.0.1 -t 5 -i 1
> ------------------------------------------------------------
> Client connecting to 10.105.0.1, TCP port 5001
> TCP window size: 21.0 KByte (default)
> ------------------------------------------------------------
> [  3] local 10.105.0.2 port 33112 connected with 10.105.0.1 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 1.0 sec  1.30 MBytes  10.9 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  1.0- 2.0 sec  1.05 MBytes  8.85 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  2.0- 3.0 sec  1008 KBytes  8.26 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  3.0- 4.0 sec    904 KBytes  7.41 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  4.0- 5.0 sec  1.33 MBytes  11.1 Mbits/sec
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0- 5.1 sec  5.55 MBytes  9.21 Mbits/sec

Is "D" in this case your ath5k card?

Thomas
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