Porting hostapd to a completely new (closed source :-( ) driver

[Dan Searle]

Hi,

Anyone? I can't believe that there is no documentation on the
wifi-driver<->hostapd API?

Pretty please?

Dan...

Wednesday, February 2, 2005, 10:26:28 AM, you wrote:

> Hi,

> I am trying to port the hostapd (0.3 branch) to a new 802.11a/b/g
> radio driver, which unfortunately is closed source. I have the sources
> and am working with the manufacturer on driver development for Linux,
> however they seem to think the easiest way to implement
> 802.1x/WPA2/802.11i is to write a new driver abstraction layer
> (driver_xxx.c) for hostapd.

> I see from analysing the driver_xxx.c files in the hostapd sources that
> the common interface between all driver_xxx.c files is as follows:

> {
>         .init                   = xxx_init,
>         .deinit                 = xxx_deinit,
>         .wireless_event_init    = xxx_wireless_event_init,
>         .wireless_event_deinit  = xxx_wireless_event_deinit,
>         .set_ieee8021x          = xxx_set_ieee8021x,
>         .set_privacy            = xxx_set_privacy,
>         .set_encryption         = xxx_set_key,
>         .get_seqnum             = xxx_get_seqnum,
>         .flush                  = xxx_flush,
>         .set_generic_elem       = xxx_set_opt_ie,
>         .read_sta_data          = xxx_read_sta_driver_data,
>         .send_eapol             = xxx_send_eapol,
>         .set_sta_authorized     = xxx_set_sta_authorized,
>         .sta_deauth             = xxx_sta_deauth,
>         .sta_disassoc           = xxx_sta_disassoc,
>         .set_ssid               = xxx_set_ssid,
>         .get_ssid               = xxx_get_ssid
> }

> Is there any detailed development documentation on exactly what these
> functions are supposed to implement? I could try to reverse engineer
> the other driver_xxx.c sources and infer the semantics but some docs
> would be preferable.

> The radio driver I'm trying to port to hostapd has it's own 802.11
> stack and AP management functions so all I need the hostapd to do is
> handle the 802.1x/WPA2/802.11i (TKIP, CCMP, EAP etc...) stuff. Am I
> right in thinking that the bsd and madwifi radio drivers are similar?
> in that they implement the AP and basic 802.11 management, and all
> hostapd does is the advanced encryption/key management/radius/802.1x
> EA-POL stuff?

> Any pointers much appreciated, regards, Dan...

> --

> Dan Searle
> Adelix Ltd
> dan.searle at adelix.com web: www.adelix.com
> tel: 0845 230 9590 / fax: 0845 230 9591 / support: 0845 230 9592
> snail: The Old Post Office, Bristol Rd, Hambrook, Bristol BS16 1RY. UK.

> Any views expressed in this email communication are those
> of the individual sender, except where the sender specifically states
> them to be the views of a member of Adelix Ltd.  Adelix Ltd. does not
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--

Dan Searle
Adelix Ltd
dan.searle at adelix.com web: www.adelix.com
tel: 0845 230 9590 / fax: 0845 230 9591 / support: 0845 230 9592
snail: The Old Post Office, Bristol Rd, Hambrook, Bristol BS16 1RY. UK.

Any views expressed in this email communication are those
of the individual sender, except where the sender specifically states
them to be the views of a member of Adelix Ltd.  Adelix Ltd. does not
represent, warrant or guarantee that the integrity of this communication
has been maintained nor that the communication is free of errors or
interference.