On Mon, 2011-08-08 at 12:11 +0300, Jouni Malinen wrote:
> When user space SME/MLME (e.g., hostapd) is not used in AP mode, the
> IEs from the (Re)Association Request frame that was processed in
> firmware need to be made available for user space (e.g., RSN IE for
> hostapd). Allow this to be done with cfg80211_new_sta().
Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jouni Malinen <jouni@xxxxxxxxxxxxxxxx>
> ---
> include/net/cfg80211.h | 8 ++++++++
> net/wireless/nl80211.c | 4 ++++
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> index d17f47f..51ba1af 100644
> --- a/include/net/cfg80211.h
> +++ b/include/net/cfg80211.h
> @@ -536,6 +536,11 @@ struct sta_bss_parameters {
> * This number should increase every time the list of stations
> * changes, i.e. when a station is added or removed, so that
> * userspace can tell whether it got a consistent snapshot.
> + * @assoc_req_ies: IEs from (Re)Association Request.
> + * This is used only when in AP mode with drivers that do not use
> + * user space MLME/SME implementation. The information is provided for
> + * the cfg80211_new_sta() calls to notify user space of the IEs.
> + * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
> */
> struct station_info {
> u32 filled;
> @@ -558,6 +563,9 @@ struct station_info {
> struct sta_bss_parameters bss_param;
>
> int generation;
> +
> + const u8 *assoc_req_ies;
> + size_t assoc_req_ies_len;
> };
>
> /**
> diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
> index e83e7fe..ec8444e 100644
> --- a/net/wireless/nl80211.c
> +++ b/net/wireless/nl80211.c
> @@ -2237,6 +2237,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
> }
> nla_nest_end(msg, sinfoattr);
>
> + if (sinfo->assoc_req_ies)
> + NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
> + sinfo->assoc_req_ies);
> +
> return genlmsg_end(msg, hdr);
>
> nla_put_failure:
> --
> 1.7.4.1
>
>
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