On Fri, Dec 5, 2014 at 2:46 PM, Kiran Divekar <kirandive...@gmail.com> wrote:
> On Fri, Nov 28, 2014 at 4:28 PM, Vasudeo Bidve <vkbi...@gmail.com> wrote: > > > Hi, > > > > I am working on a networking project where only Wi-Fi interfaces are > > used on all hosts for communication. It has to be a private network, > > operating on IPv6 without using DHCP(v6). So obviously, the trick is > > to assign Link-Local IPv6 addresses to all hosts using their > > respective MAC ids and proceed. > > > > I did a proof-of-concept of such networking using Ethernet and PCs > > with ubuntu (14.04 LTS). But this is not working with wireless > > interfaces. > > > > I tried to do this with command line utilities like 'iw' and > > 'iwconfig' on my PCs, but as soon as I plug in the USB-wifi adapter, > > the network-manager in ubuntu sets it in 'managed' mode, which I don't > > want. Further, if I try to assign another mode, I get an error message > > as 'device is busy'. Then by taking the link down, it doesn't add any > > modes. Using the network setting panel in ubuntu, I can configure it > > in 'ad-hoc' mode, but I want to do it programmatically (through a C > > code, shell script, anything) without using that network-manager > > utility finally in my project. > > > > > Hi, > https://wiki.archlinux.org/index.php/ad-hoc_networking > Please check above link to setup adhoc networking. Use iw commands > mentioned there to start the network. Also, Turn off network-manager > completely. > Thanks a lot Kiran for this link. This is what I was looking for. It worked flawlessly. Actually, I was controlling multiple PCs using ssh, so the network-manager was needed and hence couldn't turn it off. But surprisingly, the instructions worked despite of it running! > > In my project, finally all PCs will be replaced by embedded linux > > SBCs. USB wi-fi adapters will possibly be replaced by wi-fi modules. > > But programmatically, they should be able to communicate with each > > other at Link-Local IPv6 addresses in Ad-Hoc mode. > > > > At this moment, what I need is a set of wireless interface APIs, (of > > course with some helpful documentation) to configure the wifi > > interface in Ad-Hoc mode (possibly in AP/Station mode as and when > > needed), get a Link-Local IPv6 address assigned to itself and start > > networking. Any URL to such information will also do. > > > > If there is any step-by-step guide (or example codes) then it will be > > even more helpful. > > > > Thanks and Regards > > > > Vasudeo K. Bidve > > > > > Thanks > - Kiran > > > _______________________________________ > > Pune GNU/Linux Users Group Mailing List > > > _______________________________________ > Pune GNU/Linux Users Group Mailing List > _______________________________________ Pune GNU/Linux Users Group Mailing List