Performance of AR9287
Adrian Chadd
adrian.chadd at gmail.com
Fri Sep 21 04:50:12 UTC 2012
Which iperf is upload and which is download?
Can you run athstats during the transfer?
Adrian
On Sep 20, 2012 8:57 PM, "Derrick Edwards" <dantavious313 at gmail.com> wrote:
> Hi,
> I am utilizing an mini PCIE AR9287 mini PCI-E. It is not performing as
> expected thus far. I utilized iperf to test speed from laptops (both
> FreeBSD
> and Windows) to local default gateway. The results are show below with the
> first result being executed from the Windows Laptop and FreeBSD afterwards.
> Are these results to be expected?
>
> Derrick
>
> Windows
>
> Server listening on TCP port 5001
> TCP window size: 64.0 KByte (default)
> ------------------------------------------------------------
> [ 4] local 192.168.15.3 port 5001 connected with 192.168.15.153 port 58137
> ------------------------------------------------------------
> Client connecting to 192.168.15.153, TCP port 5001
> TCP window size: 56.5 KByte (default)
> ------------------------------------------------------------
> [ 6] local 192.168.15.3 port 49723 connected with 192.168.15.153 port 5001
> Waiting for server threads to complete. Interrupt again to force quit.
> [ ID] Interval Transfer Bandwidth
> [ 4] 0.0-10.0 sec 14.3 MBytes 12.0 Mbits/sec
> [ 6] 0.0-10.0 sec 74.4 MBytes 62.4 Mbits/sec
>
>
> FreeBSD 10.0-CURRENT #0: Thu Sep 20 16:22:56 EDT 2012
>
> Server listening on TCP port 5001
> TCP window size: 64.0 KByte (default)
> ------------------------------------------------------------
> [ 4] local 192.168.15.3 port 5001 connected with 192.168.15.238 port 44678
> ------------------------------------------------------------
> Client connecting to 192.168.15.238, TCP port 5001
> TCP window size: 32.5 KByte (default)
> ------------------------------------------------------------
> [ 6] local 192.168.15.3 port 40554 connected with 192.168.15.238 port 5001
> Waiting for server threads to complete. Interrupt again to force quit.
> [ ID] Interval Transfer Bandwidth
> [ 4] 0.0-10.0 sec 74.4 MBytes 62.3 Mbits/sec
> [ 6] 0.0-10.1 sec 9.87 MBytes 8.21 Mbits/sec
>
>
>
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> ether 1c:65:9d:ab:18:6f
> inet 192.168.15.238 netmask 0xffffff00 broadcast 192.168.15.255
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
> status: associated
> ssid datdude channel 1 (2412 MHz 11g ht/40+) bssid
> 10:bf:48:d9:1e:a0
> regdomain FCC country US indoor ecm authmode WPA2/802.11i privacy
> ON
> deftxkey UNDEF AES-CCM 2:128-bit txpower 30 bmiss 7 scanvalid 60
> protmode CTS ampdulimit 64k ampdudensity 8 shortgi wme burst
> roaming MANUAL
>
> ./athstats
> 495670 data frames received
> 605640 data frames transmit
> 1129 tx frames with an alternate rate
> 21720 short on-chip tx retries
> 15941 long on-chip tx retries
> 34 tx failed 'cuz too many retries
> 428 mib overflow interrupts
> 9 tx linearized to cluster
> MCS4 current transmit rate
> 1 watchdog timeouts
> 12 beacon miss interrupts
> 37 tx failed 'cuz destination filtered
> 21042 rx failed 'cuz of bad CRC
> 7 rx failed 'cuz decryption
> 5 rx failed 'cuz of PHY err
> 5 illegal service
> 354 periodic calibrations
> -0/+0 TDMA slot adjust (usecs, smoothed)
> 58 rssi of last ack
> 48 avg recv rssi
> -96 rx noise floor
> 4 phantom beacon misses
> 237 tx frames through raw api
> 303067 A-MPDU sub-frames received
> 136445 Half-GI frames received
> 321349 40MHz frames received
> 4339 CRC errors for non-last A-MPDU subframes
> 179 CRC errors for last subframe in an A-MPDU
> 128845 Frames transmitted with HT Protection
> 69601 Number of frames retransmitted in software
> 556475 A-MPDU sub-frame TX attempt success
> 69579 A-MPDU sub-frame TX attempt failures
> 6 A-MPDU TX frame failures
> 2 first step level
> 1 OFDM weak signal detect
> 140 ANI increased noise immunity
> 140 ANI decrease noise immunity
> 1 ANI increased spur immunity
> 1 ANI decrease spur immunity
> 127 ANI disabled OFDM weak signal detect
> 127 ANI disabled CCK weak signal threshold
> 2 ANI increased first step level
> 251877 cumulative OFDM phy error count
> 348293 cumulative CCK phy error count
> 431 ANI forced listen time to zero
> 15583 missing ACK's
> 23402 RTS without CTS
> 94745 successful RTS
> 77637 bad FCS
> 102509 beacons received
> 66 average rssi (beacons only)
> 59 average rssi (all rx'd frames)
> 60 average rssi (ACKs only)
> Antenna profile:
> [0] tx 87529 rx 100
> [1] tx 0 rx 495570
>
>
>
> ath0 at pci0:2:0:0: class=0x028000 card=0x30a417aa chip=0x002e168c
> rev=0x01 hdr=0x00
> vendor = 'Atheros Communications Inc.'
> device = 'AR9287 Wireless Network Adapter (PCI-Express)'
> class = network
> bar [10] = type Memory, range 64, base 0xb8500000, size 65536,
> enabled
> cap 01[40] = powerspec 3 supports D0 D1 D3 current D0
> cap 05[50] = MSI supports 1 message
> cap 10[60] = PCI-Express 2 legacy endpoint max data 128(128) link
> x1(x1)
> ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected
> ecap 0002[140] = VC 1 max VC0
> ecap 0003[160] = Serial 1 001517ffff241412
> ecap 0004[170] = Power Budgeting 1
>
>
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