On Mon, 2012-02-27 at 14:38 -0800, Ashok Nagarajan wrote:
> Mesh peer links are established only if average rssi of the peer
> candidate satisfies the threshold. This is not in 802.11s specification
> but was requested by David Fulgham, an open80211s user. This is a way to avoid
> marginal peer links with stations that are barely within range.
>
> This patch adds a new mesh configuration parameter, mesh_rssi_threshold.
>
> Signed-off-by: Ashok Nagarajan <ashok@xxxxxxxxxxx>
> Signed-off-by: Javier Cardona <javier@xxxxxxxxxxx>
> ---
> v2: create mesh-specific rssi_threshold parameter (Johannes)
>
> include/linux/nl80211.h | 4 ++++
> include/net/cfg80211.h | 1 +
> net/mac80211/cfg.c | 2 ++
> net/mac80211/debugfs_netdev.c | 2 ++
> net/mac80211/mesh_plink.c | 22 +++++++++++++++++++++-
> net/wireless/mesh.c | 3 +++
> net/wireless/nl80211.c | 5 +++++
> 7 files changed, 38 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
> index be35a68..0a05d17 100644
> --- a/include/linux/nl80211.h
> +++ b/include/linux/nl80211.h
> @@ -2112,6 +2112,9 @@ enum nl80211_mntr_flags {
> * @NL80211_MESHCONF_FORWARDING: set Mesh STA as forwarding or non-forwarding
> * or forwarding entity (default is TRUE - forwarding entity)
> *
> + * @NL80211_MESHCONF_RSSI_THRESHOLD: specifies the threshold for average signal
> + * strength of candidate station to establish a peer link.
Please specify the unit. I don't actually know what the unit is -- it
seems to be either dBm or "unspec" when you compare it to avg_signal, so
it's hardware dependent -- to me that doesn't sound like a good idea.
Maybe this should work only for devices that report dBm?
johannes
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