[PATCH] Send probe as unicast in joining state
Kalle Valo
kvalo at qca.qualcomm.com
Wed May 29 01:42:38 EDT 2013
Eugene Krasnikov <k.eugene.e at gmail.com> writes:
> This bug happens in STA mode. Let me draw a mini diagram where we are :
> STA AP
> | (normal scan) |
> | |
> | probe req |
> |------------------------->|
> (no probe_rsp was received only beacon was received)
> | |
> |__ |
> | | |
> | |(send join smd)|
> |<- |
> (mac80211 will try to send direct probe since it needs all IE
> http://lxr.free-electrons.com/source/net/mac80211/mlme.c?v=3.4#L2700)
> | probe req |
> |-------------------------->| <- here trick HW
> | probe rsp |
> |<-------------------------|
> | auth req |
> |------------------------->|
> | auth rsp |
> |<-------------------------|
>
> Did my best, probably not the best diagram;) Feel free to ask more questions.
Thanks, understood now.
So mac80211 doesn't actually check that probe response is received as
authentication has still worked without this patch? Odd.
--
Kalle Valo
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