Re: [PATCH 1/3] hwsim: remove 'optimization' sending to only known MACs

[Denis Kenzior <denkenz@gmail.com>]

Hi James,

>>> Unfortunately once you move the radio into another namespace you lose any 
>>> events associated with that radio, due to the PID of hwsim being associated 
>>> with a distinct namespace (I think). So ADD/DEL_MAC_ADDR won't help here.
>>
>> Which events though?  You should always be getting HWSIM_CMD_ events for _all_ 
>> radios since only a single hwsim instance is registered, no? Aren't these all 
>> you need for the purposes of sending packets to the right radio?
> 
> ADD/DEL_MAC_ADDR, which don't come once the radio is moved to another namespace 
> (as far as I can tell with testing).
> 
> I think it comes down to port ID:
> 
> u32 _portid = READ_ONCE(data->wmediumd);
> ...
> hwsim_unicast_netgroup(data, skb, _portid);

Then this may be a conversation you have to start on linux-wireless.  I would 
have thought that there should only be a single wmediumd instance on a system 
regardless of namespaces, but maybe I'm wrong here.

Regards,
-Denis