Eric Auge wrote:
> Hello,
> 
> It is my own addition, I didn't really know how to name it.
> an(4) doesn't provide FCS at the end of the frame in monitor,
> AFAIK it is checked by the hardware and a flag is set to say
> if the received packet is correct or not.

Probably want to use FCS instead of CRC in the name but this is useful 
in general.  ath for example can dispatch rx'd frames to radiotap that 
have a known bad CRC and it'd be useful to record that.

	Sam

> 
> 
> 
> David Young wrote:
> 
>> On Tue, Dec 06, 2005 at 02:03:50AM +0100, Eric Auge wrote:
>>
>>> Hello,
>>>
>>> Here are the an(4) driver radiotap patches,
>>> they are located at :
>>>
>>> http://jard.in/~rival/netbsd/radiotap_an.tgz
>>>
>>> Apply the patches on each file and recompile
>>> your kernel, then use tcpdump -y IEEE802_11_RADIO
>>>
>>> I guess they are far from perfect, but any comments/feedback
>>> is appreciated.
>>
>>
>>
>> Thanks, Eric.  I'm going to apply this to -current.
>>
>> Just curious, is IEEE80211_RADIOTAP_F_BADCRC your own addition, or did
>> it come from somewhere else?
>>
>> Dave
>>