service netif restart [iface] runs a wpa_supplicant twice

Bernhard Schmidt bschmidt at techwires.net
Sat Nov 2 09:44:57 UTC 2013


On Sat, Nov 2, 2013 at 10:00 AM, clutton <clutton at zoho.com> wrote:
> On Fri, 2013-11-01 at 23:50 -0700, Adrian Chadd wrote:
>> OK, so where's the other path for invoking wpa_supplicant?
>
> What do you mean?

kldload if_ath if will create ath0 which is a INET interface which
will invoke pccard_ether, which will configure the interface based on
what is configured in rc.conf. Point is, down the road wlan0 will be
created, with 2 things following
1. start wpa_supplicant if it is configured in rc.conf
2. create an event for devd which will again invoke pccard_ether for wlan0
So basically we have 2 instances of pccard_ether started, one for ath0
and one for wlan0.

create ath0 -> devd (new interface ath0) -> pccard_ether -> create
wlan0 (*) -> start wpa_supplicant
(*) devd (new interface wlan0) -> pccard_ether -> start wpa_supplicant

Hope that makes it a bit clearer.

-- 
Bernhard


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