On Fri, 2012-04-13 at 12:02 -0700, wey-yi.w.guy@xxxxxxxxx wrote:
> From: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
>
> Add utility function to provide the average rssi per vif
>
> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
> ---
> include/net/mac80211.h | 3 +++
> net/mac80211/util.c | 8 ++++++++
> 2 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
> index 32cd517..20a2ddd 100644
> --- a/include/net/mac80211.h
> +++ b/include/net/mac80211.h
> @@ -3800,4 +3800,7 @@ int ieee80211_add_srates_ie(struct ieee80211_vif *vif,
>
> int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif,
> struct sk_buff *skb, bool need_basic);
> +
> +int ieee80211_ave_rssi(struct ieee80211_vif *vif);
There should be some documentation here I think, especially about the
point below:
> +int ieee80211_ave_rssi(struct ieee80211_vif *vif)
> +{
> + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
> + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
> +
> + return ifmgd->ave_beacon_signal;
> +}
This will not return anything useful if the hardware implements beacon
filtering, so it should warn in that case I think. Also in the case
you're calling it on non-managed interface types.
johannes
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