mac80211: average ack rssi support for data frames
The driver will process the RSSI if available and send it to mac80211.
mac80211 will compute the weighted average of ack RSSI for stations.
Signed-off-by: Balaji Pothunoori <bpothuno@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 2d5ffb0..f83e6e2 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -358,6 +358,7 @@
sta->last_connected = ktime_get_seconds();
ewma_signal_init(&sta->rx_stats_avg.signal);
+ ewma_avg_signal_init(&sta->status_stats.avg_ack_signal);
for (i = 0; i < ARRAY_SIZE(sta->rx_stats_avg.chain_signal); i++)
ewma_signal_init(&sta->rx_stats_avg.chain_signal[i]);
@@ -2294,6 +2295,15 @@
sinfo->ack_signal = sta->status_stats.last_ack_signal;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
}
+
+ if (ieee80211_hw_check(&sta->local->hw, REPORTS_TX_ACK_STATUS) &&
+ !(sinfo->filled & BIT_ULL(NL80211_STA_INFO_DATA_ACK_SIGNAL_AVG))) {
+ sinfo->avg_ack_signal =
+ -(s8)ewma_avg_signal_read(
+ &sta->status_stats.avg_ack_signal);
+ sinfo->filled |=
+ BIT_ULL(NL80211_STA_INFO_DATA_ACK_SIGNAL_AVG);
+ }
}
u32 sta_get_expected_throughput(struct sta_info *sta)