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Re: [PATCH 1/2] nl80211/cfg80211: Driver with AP SME advertises need for PMF SA Query

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On Tue, 2013-09-17 at 12:31 -0700, Chet Lanctot wrote:
> Needed for drivers that have AP SME integrated but do not implement
> The SA Query procedure that is part of Protected Management Frames
> (PMF, 802.11w).  Instead, the need for upper layer software to do
> this procedure is advertised through nl80211/cfg80211.
> 
> Signed-off-by: Chet Lanctot <clanctot@xxxxxxxxxxxxxx>
> ---
>  include/uapi/linux/nl80211.h | 11 ++++++++---
>  net/wireless/nl80211.c       |  3 ++-
>  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
> index eb68735..aa1d122 100644
> --- a/include/uapi/linux/nl80211.h
> +++ b/include/uapi/linux/nl80211.h
> @@ -1891,6 +1891,9 @@ enum nl80211_iftype {
>   * @NL80211_STA_FLAG_ASSOCIATED: station is associated; used with drivers
>   *	that support %NL80211_FEATURE_FULL_AP_CLIENT_STATE to transition a
>   *	previously added station into associated state
> + * @NL80211_STA_FLAG_NO_SA_QUERY_REQUIRED: no SA Query procedure is needed
> + *	when an association request is received from a station with which there
> + *	is already a MFP connection

I don't understand this part, and also why is it part of the *station*
info? Shouldn't it be part of the new-station event or something like
that? How can it be valid when reading station info later?

johannes

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