Date: Thu, 20 Sep 2012 21:50:08 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Derrick Edwards <dantavious313@gmail.com> Cc: freebsd-wireless@freebsd.org Subject: Re: Performance of AR9287 Message-ID: <CAJ-VmonhW4VXUVfKDeHh_XJV2cfUih82JPaMz1cso05rt7vDAw@mail.gmail.com> In-Reply-To: <201209202357.06358.dantavious313@gmail.com> References: <201209202357.06358.dantavious313@gmail.com>
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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@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@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 > > > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org > " >
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