Re: WLAN LLC type for Ethereal on Windows XP

Paul Lin wrote:
> I am writing WLAN windows driver to support Ethereal. All raw packets 
> are send to Ethereal successfully without issue. However, Ethereal will 
> always decode the packet as Ethernet II as LLC. There are no native 
> 802.11 format in Windows XP, the packet has to pass to OS as 802.3 
> frame. In fact, we pass the whole 802.11 packet up without changing it 
> to 802.3 format. The question is how do we let Ethereal know it’s 802.11 
> frame and not decoding it as 802.3 format?

Ask Microsoft and the WinPcap developers.  Ethereal finds the link-layer 
type from libpcap/WinPcap, and libpcap/WinPcap finds it from NDIS, which 
is Microsoft code.