Hi Oliver,

> On 26.02.2019 12:04, Oliver Hartkopp wrote:
> 
> Hi Julius,
> 
(..)
> 
> The reason for IFF_ECHO was, that the data frame which is sent onto the wire 
> (by one application) is not visible to all the other applications on the same 
> (local) host. Therefore a successful transmission on the wire triggers the 
> 'echo' of the sent content into the local host.
> 

Thank you for the explanation - I can adjust the comment, if you like to.

> So what are you getting back after you enabled IFF_ECHO on your mac80211 
> device?
> 
> Is it just a 'status' about a sent packet, or is it the packet ('full 
> content') itself?

We are actually getting back the full content of the packet. So it matches the 
behaviour of the 'echo' in CAN.

> 
> Regards,
> Oliver
> 


Many thanks,
Julius

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