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mac80211: use DECLARE_EWMA

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Instead of using the out-of-line average calculation, use the new
DECLARE_EWMA() macro to declare a signal EWMA, and use that.

This actually *reduces* the code size slightly (on x86-64) while
also reducing the station info size by 80 bytes.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2015-07-13 12:26:46 +02:00
parent 2377799c08
commit 40d9a38ad3
5 changed files with 12 additions and 10 deletions
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4
net/mac80211/rx.c
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@@ -1428,7 +1428,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->rx_bytes += rx->skb->len;
if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
sta->last_signal = status->signal;
ewma_add(&sta->avg_signal, -status->signal);
ewma_signal_add(&sta->avg_signal, -status->signal);
}
if (status->chains) {
@@ -1440,7 +1440,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
continue;
sta->chain_signal_last[i] = signal;
ewma_add(&sta->chain_signal_avg[i], -signal);
ewma_signal_add(&sta->chain_signal_avg[i], -signal);
}
}