Re: [PATCH wireless-dev] d80211: Add support for user space clientMLME

[Johannes Berg <johannes@sipsolutions.net>]

[-- Attachment #1: Type: text/plain, Size: 1314 bytes --]

On Wed, 2006-05-10 at 10:17 -0700, Jouni Malinen wrote:

> This is still somewhat open, but at minimum, there needs to be a
> mechanism for receiving and sending management frames from user space.
> d80211 uses a "management netdev" for this currently (the same one that
> was used before with hostapd for AP mode). In addition to that,
> wpa_supplicant expect to be able to read list of support channels and TX
> rates (get_hw_feature_data handler in driver wrapper) and to be able to
> add and remove STA entries (e.g., for TX rate control and association
> status validation in kernel code).

Right.

> Currently, scanning is done simply by setting the channel with
> SIOCSIWFREQ and listening for management frames. However, the goal is to
> provide simple atomic operations that user space programs can request
> the kernel code to do. This would cover not only scanning, but also some
> other needs like IEEE 802.11k radio measurements. These operations could
> be something like "stop transmit, move to channel 5, report received
> management frames, record noise level, do this for 5 ms, return to
> operational channel, enable transmit".

Yeah, we talked about that. I suppose softmac will never support the
current interface, we'll just design a new one and use that.

johannes

[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 793 bytes --]