Wireshark-dev: Re: [Wireshark-dev] [Ethereal-dev] Plans to support 802.11n
From: Guy Harris <[email protected]>
Date: Mon, 07 Aug 2006 10:14:41 -0700
Jose Graziani wrote:
The Ethereal project is being continued at a new site.  Please go to
http://www.wireshark.org and subscribe to [email protected]
Don't forget to unsubscribe from this list at
...so I'm moving this to wireshark-dev.  (There is no reason to expect 
that any work will be done on 802.11n in Ethereal; the work will be done 
on Wireshark.)
Is anyone working on 11n support for the capture filters or file formats?
Is 802.11n similar to 802.11b, 802.11a, and 802.11g, in that

	the link-layer header is the standard 802.11 header;

any additional protocol changes are in the form of, for example, new frame types or new tagged values?
If so, then little if any change to libpcap should be needed for capture 
filters (capture filters are *NOT* implemented by Wireshark, they're 
implemented by libpcap), and there shouldn't be *any* need for a new 
file format (802.11, 802.11b, 802.11a, and 802.11g are handled by the 
exact same file formats).
With bursting, capture filters will probably be difficult, if not 
impossible, to implement unless a burst of packets is broken up into 
individual packets, individually handed to the capture mechanism, so 
that the filters act on each individual packet in the burst.