PATCH RFC: wpa_supplicant influencing device operstate
stefan at loplof.de
Wed Mar 29 13:44:51 EST 2006
did you have time to look at this stuff? I've just added support for the other
drivers that depend on wext (tested with madwifi) and then upgraded the patch
> some weeks ago, there has been a quite heated discussion on linux-netdev
> about extending functionality of netif_carrier_on()/off(). In the end, a
> patch written by me has been applied for 2.6.17. For an overview, see the
> documentation at http://www.flamewarmaster.de/software/operstates.txt . The
> patch itself (applies to 2.6.14+) can be found on this site too. Main point
> concerning this list is that it allows an userspace supplicant to signal
> the kernel when the interface is ready for user traffic after
> authentication, and afterwards, kernel notifies other programs via the
> existing IFF_RUNNING interface.
> The quagga routing daemon, vrrpd and my new dhcp client
> (http://www.flamewarmaster.de/software/dhcpclient/) can act on these
> I have attached a patch against wpa_supplicant 0.5.1 to this mail that
> implements signalling functionality in the WEXT driver. Note that I haven't
> tested how this affects drivers that rely on WEXT functionality - this is a
> very first version.
> With this extension, I can start wpa_supplicant and my DHCP client in
> parallel. Whenever the supplicant has completed association, and WPA
> authentication if needed, the DHCP client will automatically update the
> interface IP configuration. Together with a graphical wpa_cli (will try
> wpa_gui), this increases usability of wireless LANs a lot. In the long run,
> I'd like this feature to be added to wpa_supplicant.
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