Wireshark-dev: Re: [Wireshark-dev] [Question]how to add an dissector for 802.11 Action frame in
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Mon, 13 Feb 2012 12:12:59 -0800
On Feb 12, 2012, at 9:46 PM, 李刚 wrote:

> I have an Vendor Specific Action and want to add an dissector for it.
>  
> Usually, an dissector is added by:
>  
> udp_table = DissectorTable.get("udp.port")
> udp_table:add(7777,trivial_proto)
>  
> But for an Action Frame I don’t know what the parameters should be for get/add.

There is currently no dissector table in the 802.11 dissectors for vendor-specific actions.  The dissector would have to be changed to provide a dissector table (or per-vendor tables) into which action dissectors could be registered in order for there to be parameters to use for get/add there.