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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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6
net/mac80211/sta_info.h
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@@ -320,6 +320,8 @@ struct mesh_sta {
unsigned int fail_avg;
};
DECLARE_EWMA(signal, 1024, 8)
/**
* struct sta_info - STA information
*
@@ -462,12 +464,12 @@ struct sta_info {
unsigned long rx_fragments;
unsigned long rx_dropped;
int last_signal;
struct ewma avg_signal;
struct ewma_signal avg_signal;
int last_ack_signal;
u8 chains;
s8 chain_signal_last[IEEE80211_MAX_CHAINS];
struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
struct ewma_signal chain_signal_avg[IEEE80211_MAX_CHAINS];
/* Plus 1 for non-QoS frames */
__le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];