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[MAC80211]: Remove overly sticky averaging filters for rssi, signal, noise 

The current version of wireless statistics contains a bug in the averaging
that makes the numbers be too sticky and not react to small changes. This
patch removes all averaging.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Larry Finger 2007-08-28 17:01:55 -04:00 committed by David S. Miller
parent e7a64f12a4
commit 6c55aa9735
1 changed files with 3 additions and 6 deletions
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9
net/mac80211/rx.c
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@ -485,12 +485,9 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
sta->rx_fragments++;
sta->rx_bytes += rx->skb->len;
sta->last_rssi = (sta->last_rssi * 15 +
rx->u.rx.status->ssi) / 16;
sta->last_signal = (sta->last_signal * 15 +
rx->u.rx.status->signal) / 16;
sta->last_noise = (sta->last_noise * 15 +
rx->u.rx.status->noise) / 16;
sta->last_rssi = rx->u.rx.status->ssi;
sta->last_signal = rx->u.rx.status->signal;
sta->last_noise = rx->u.rx.status->noise;
if (!(rx->fc & IEEE80211_FCTL_MOREFRAGS)) {
/* Change STA power saving mode only in the end of a frame