On Fri, 2014-11-28 at 16:33 +0530, Vasudeo Bidve 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'.
That's possible because AP scan is running. > 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. Wrong list, possibly? :) Any particular reason you won't use NetworkManager? See "unmanaged-devices" in NetworkManager.conf(5) manual. > 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. > > I am hopeful from this group because the network-manager internally > *USES* these APIs and you people must be knowing what I need. We use the same nl80211 API as "iw" does. We also talk to wpa_supplicant via DBus. Lubo _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list
