Encryption problems with nl80211

Dan Williams dcbw at redhat.com
Wed Oct 28 09:00:55 PDT 2015


On Wed, 2015-10-28 at 16:49 +0100, simo wrote:
> Yes, wext drivers are not working.
> They returns ioctl errors.
> 
> I think I'll have to modify the driver.

Can you post a supplicant log when using WEXT?

> Just for information.
> I understand that the driver nl80211 used by wpa_supplicant is the
> driver from it's sources, which is in:

Almost.  There are two Linux kernel wifi APIs: nl80211 (newer, better,
preferred) and WEXT (old, limited functionality, deprecated).  Obviously
wpa_supplicant must work with both, so it has "drivers" to talk to the
kernel APIs.  I suppose we should be clearer about what "driver" we're
talking about.

Here I'm talking about the supplicant driver, since the kernel driver
exposes both nl80211 and WEXT APIs.  The supplicant can select which one
it wants to communicate via through the "-D" option to wpa_supplicant.

Dan

> wpa_supplicant-(version)/src/drivers/driver_nl80211.c
> 
> Because looking for the string pattern "Failed to set STA flag" into the
> kernel sources it returns no result.
> 
> Am I right ?
> Simon
> 
> On Wed, 2015-10-28 at 20:56 +0530, Krishna Chaitanya wrote:
> > He mentioned earlier that wext is not working, so security cannot be set :-).
> 
> 
> 
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