Host AP for Prism 54

Simon French simonfrench2003
Tue Jul 27 18:54:52 PDT 2004

Hi Chris,
I did read that document before posting and I know that only Prism 2-3 is supported. I was just kind of wondering why. Has anyone tried to extend the driver to support 802.11g cards before? Isn't anyone interested in working on it? I just think it sucks that 802.11g is supposed to be the next step in evolution over 802.11b. But in order to use it, we have to give up our right to change the code and go back to using proprietary firmware. Then we are at the mercy of the manufacturers again (and Connexant isn't exactly the most Linux-friendly company out there).

Chris Evans <cwevans at> wrote:
you mention which is for g based cards.

FAQ #8 has...

8. Does Host AP driver support IEEE 802.11a and 802.11g? Does it support
chipsets other than Prism 2/2.5/3?

Host AP driver supports only Intersil Prism chipsets, versions 2, 2.5,
and 3. Those chipsets support IEEE 802.11b only; other chipsets are
not supported. All utilities distributed with Host AP driver except
wpa_supplicant work only with Host AP driver, so they are limited to
the same hardware. wpa_supplicant works with other drivers, including
those that support 802.11a and 802.11g.

On Jul 27, 2004, at 10:16 AM, Simon French wrote:

> Hi all,
> I'm just starting out with using wifi on Linux. I have a Prism Durette 
> card and I wonder why I can't use the host AP driver with it. I know 
> there is a driver at specifically for the Prism Durette & 
> friends, but it is lagging well behind in features. Not only do I want 
> to use WPA. I also want to use multiple SSIDs at the same time. I want 
> to configure my firewall to let me access the local 
> network with one SSID, but also let my neighbors use my AP with a 
> different SSID (to access the Internet only). Plus it's just more fun 
> for me to learn about the wifi code if I can hack the driver myself.
> Anyone know what would be involved to support this? I have heard that 
> the new prism firmware doesn't support host AP mode. But it seems to 
> me that the Prism Durette can't be fundamentally incompatible with 
> host AP mode because it allows me to sniff packets on the wlan. If I 
> can do that, I ought to be able to process them using the hostap 
> driver's code path. Right?
> Thanks for your advice,
> Simon
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