Date: Mon, 22 Oct 2012 10:19:43 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Johann Hugo <jhugo@meraka.csir.co.za> Cc: freebsd-wireless@freebsd.org Subject: Re: 11n in adhoc mode Message-ID: <CAJ-VmonBnVABAi9S8xqoaDZuLghh8oQ53YAtU=Rj6aho2qUGgg@mail.gmail.com> In-Reply-To: <CAJ-VmoksXRVwp2MVEy%2B6Jhp64E-H-Yh5-uLrm=Yf7R%2BksG_7Sw@mail.gmail.com> References: <201210180934.48741.jhugo@meraka.csir.co.za> <CAJ-VmomY9uVQtfh%2BRLLWJpE2EeOSau0_o=yNxk3Qp6Hvj_GccQ@mail.gmail.com> <201210180948.57545.jhugo@meraka.csir.co.za> <CAJ-VmokKqXVzBWxvw4SJ_EUjQn_SjVkMsEfwkEGvuCw1_hYezg@mail.gmail.com> <CAJ-VmoksXRVwp2MVEy%2B6Jhp64E-H-Yh5-uLrm=Yf7R%2BksG_7Sw@mail.gmail.com>
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Yay, bug! Adrian On 22 October 2012 07:21, Adrian Chadd <adrian@freebsd.org> wrote: > .. please file a bug. :-) Now that I have VIMAGE mostly working with > wifi, I'd like to take the opportunity to fix whatever 11n ibss bugs > you see. > > There's no reason why aggregation and MCS rates shouldn't work with > IBSS. The only questionable issue right now is encryption and that > requires some stack/driver changes to fully support. (Read: You can't > do 11n + WEP by default (no, don't ask me to make it work with ath(4), > I won't :-)) and getting the CCMP encryption working in IBSS mode > requires changes to the crypto key and keycache programming. > > > > Adrian > > On 18 October 2012 00:52, Adrian Chadd <adrian@freebsd.org> wrote: >> Ah, it looks like the MCS rate stuff isn't being setup or negotiated right? >> >> Please file a bug. I'm not sure if I'll have time to dig into it >> though; but it should be easy to fix. >> >> >> >> adrian >> >> On 18 October 2012 00:48, Johann Hugo <jhugo@meraka.csir.co.za> wrote: >>> On Thursday 18 October 2012 09:37:09 Adrian Chadd wrote: >>> >>>> Hi, >>> >>>> >>> >>>> Try disabling ampdu - ifconfig wlanX -ampdu >>> >>> >>> >>> Nope, still the same. (done on both sides) >>> >>> >>> >>> mesh-1d04:~ # ifconfig wlan1 -ampdu >>> >>> mesh-1d04:~ # ifconfig wlan1 >>> >>> wlan1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 >>> >>> ether 00:0c:42:6c:61:91 >>> >>> inet 10.50.50.1 netmask 0xffffff00 broadcast 10.50.50.255 >>> >>> inet6 fe80::20c:42ff:fe6c:6191%wlan1 prefixlen 64 scopeid 0x8 >>> >>> inet6 fde4:7b85:9218:10:20c:42ff:fe6c:6191 prefixlen 64 >>> >>> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> >>> >>> media: IEEE 802.11 Wireless Ethernet autoselect mode 11na <adhoc> >>> >>> status: running >>> >>> ssid testADHOC channel 28 (5140 MHz 11a ht/40-) bssid 02:8c:ca:fe:ca:10 >>> >>> regdomain NONE country ZA ecm authmode OPEN privacy OFF txpower 17 >>> >>> mcastrate 6 mgmtrate 6 scanvalid 60 -ampdu ampdulimit 8k >>> >>> ampdudensity 8 shortgi wme burst >>> >>> >>> >>> mesh-1d04:~ # ifconfig wlan1 list sta >>> >>> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG >>> >>> 00:0c:42:6c:61:91 0 28 0M 18.5 30 25 0 I A >>> >>> 00:0c:42:6c:63:20 0 28 54M 18.5 0 3 288 I AQ HTCAP WME >>> >>> >>> >>> mesh-1d04:~ # iperf -c 10.50.50.2 >>> >>> ------------------------------------------------------------ >>> >>> Client connecting to 10.50.50.2, TCP port 5001 >>> >>> TCP window size: 32.5 KByte (default) >>> >>> ------------------------------------------------------------ >>> >>> [ 3] local 10.50.50.1 port 61073 connected with 10.50.50.2 port 5001 >>> >>> [ ID] Interval Transfer Bandwidth >>> >>> [ 3] 0.0-10.1 sec 24.5 MBytes 20.4 Mbits/sec >>> >>> mesh-1d04:~ # ifconfig wlan1 list sta >>> >>> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG >>> >>> 00:0c:42:6c:61:91 0 28 0M 18.5 0 43 656 I A >>> >>> 00:0c:42:6c:63:20 0 28 54M 18.0 0 17776 59552 I AQ HTCAP WME >>> >>> mesh-1d04:~ # athratestats -i ath1 -m 00:0c:42:6c:63:20 >>> >>> static_rix (-1) ratemask 0x0 >>> >>> [ 250] cur rate 54 Mb since switch: packets 4 ticks 292459 >>> >>> [ 250] last sample (6 Mb) cur sample (0 ) packets sent 28 >>> >>> [ 250] packets since sample 6 sample tt 0 >>> >>> >>> >>> [1600] cur rate 54 Mb since switch: packets 1 ticks 292477 >>> >>> [1600] last sample (36 Mb) cur sample (0 ) packets sent 17748 >>> >>> [1600] packets since sample 20 sample tt 764 >>> >>> >>> >>> TX Rate TXTOTAL:TXOK EWMA T/ F avg last xmit >>> >>> [ 9 Mb:1600] 1:1 (100.0%) 1/ 0 1848uS 291850 >>> >>> [18 Mb:1600] 17:17 (100.0%) 19/ 0 1193uS 292315 >>> >>> [24 Mb:1600] 28:28 (100.0%) 30/ 0 956uS 292259 >>> >>> [36 Mb: 250] 1:1 (100.0%) 1/ 0 464uS 288917 >>> >>> [36 Mb:1600] 203:203 (100.0%) 214/ 0 1003uS 292325 >>> >>> [48 Mb:1600] 7733:7733 (100.0%) 8335/ 0 794uS 292323 >>> >>> [54 Mb: 250] 27:27 (100.0%) 27/ 0 444uS 292478 >>> >>> [54 Mb:1600] 9767:9767 (100.0%) 10518/ 0 648uS 292477 >>> >>> >>> >>> >>> >>>> >>> >>>> >>> >>>> >>> >>>> >>> >>>> Adrian >>> >>>> >>> >>>> On 18 October 2012 00:34, Johann Hugo <jhugo@meraka.csir.co.za> wrote: >>> >>>> > Hi >>> >>>> > >>> >>>> > Finally got a 11n test setup running FreeBSD 10.0-CURRENT on two ARM >>> >>>> > boards. >>> >>>> > >>> >>>> > HW = gateworks ARM >>> >>>> > OS = FreeBSD 10.0-CURRENT >>> >>>> > Build = arm-10-20121011 >>> >>>> > Wifi = RouterBOARD R52nM = AR9220 >>> >>>> > >>> >>>> > 11n works if one device is in AP mode and the other in ST mode, but I >>>> > can >>> >>>> > get it running with both devices in ADHOC mode. >>> >>>> > >>> >>>> > Is there a special switch or something that I need to toggle for 11n to >>> >>>> > work in ADHOC mode ? >>> >>>> > >>> >>>> > Johann >>> >>>> > >>> >>>> > _______________________________________________ >>> >>>> > 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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