hi, can you share your complex FW? thanks.
在 2013年2月27日星期三，下午4:51，Mukunda Haveri 写道： > Hi, > > I have been trying in vain to get 2 freebsd based systems working with a > wlan-lan bridge. > > | Host A | <---> | Lan-side arge0 | <--> | AP Wlan | <--- Air ------- > > | STA Wlan | <---> | Lan-side arge0 | <--> | Host B | > > Is this functionality broken on the head? OR Am I missing something? > Appreciate if somebody can help me with scripts to setup the traffic in the > mode mentioned above. > We are using AR9280 based wireless card along with AR7161 boards from > Compex... > > Thanks, > Mukunda > > > On Tue, Feb 19, 2013 at 2:58 AM, Adrian Chadd <[email protected] > (mailto:[email protected])> wrote: > > > On 18 February 2013 03:31, Mukunda Haveri <[email protected] > > (mailto:[email protected])> wrote: > > > > > > Thanks to Adrian's WiFi scripts, we were able to get the TDMA working on > > the > > > Compex-AR7161 board. The results were surprising; we are able to do, > > > > close > > > to 100 mbps one way iperf tests and 40 mbps bidirectional Iperf in > > > > non-TDMA > > > mode. We were able to achieve this, only after disabling all the debug > > > options in the kernel. Porting the U-Boot to the Compex-boards did take > > > > > > > lot > > > of effort, but not the "FreeBsd". Many thanks to all the "scientists" who > > > made this possible. > > > > > > > > > Nice! Which wireless cards are you using? > > > > [ AR9280 ] > > > > > Moving forward, it is observed that the TDMA throughput peaks at 9 mbps > > and > > > refuses to move beyond. After reducing the slot duration to 1 ms, the > > > throughput increased to around 12 mbps. I was expecting the TDMA to > > > > > > > yield a > > > better throughput because of collision-less scheme. I would like to > > > understand if our observation is expected or if there's some inherent > > > limitation within the TDMA controller. > > > > > > It will be good to have some feedback from TDMers with similar > > experience or > > > better. > > > > > > Right now the TDMA code doesn't implement MCS rates or TX aggregation. > > Thus you're not going to get 11n like throughput. > > > > The first thing to implement is allowing for MCS rates > > (non-aggregation) and make sure all the packet duration calculations > > are being done "right". > > > > After that, we need to implement delayed blockack support in net80211 > > and the ath driver. That requires the stack to support handling BA > > requests/responses and ath(4) to mark all frame descriptors in a > > delayed-BA TID to be no-ack. > > > > Once that's done, we can tie it all together to make it work over TDMA. :-) > > > > Thanks, > > > > > > Adrian > > DISCLAIMER: > The information contained in this message (including any attachments) is > confidential and may be privileged. If you have received it by mistake please > notify the sender by return e-mail and permanently delete this message and > any attachments from your system. Any dissemination, use, review, > distribution, printing or copying of this message in whole or in part is > strictly prohibited. Please note that e-mails are susceptible to change. > PointRed Telecom Ltd (including its group companies) shall not be liable for > the improper or incomplete transmission of the information contained in this > communication nor for any delay in its receipt or damage to your system and > does not guarantee that the integrity of this communication has been > maintained or that this communication is free of viruses, interceptions or > interferences. > _______________________________________________ > [email protected] (mailto:[email protected]) mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mips > To unsubscribe, send any mail to "[email protected] > (mailto:[email protected])" > > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "[email protected]"
