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[PATCH 5/7] mac80211: minstrel - implement get_expected_throughput() API

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From: Antonio Quartulli <antonio@xxxxxxxxxxxxx>

Cc: Felix Fietkau <nbd@xxxxxxxxxxx>
Signed-off-by: Antonio Quartulli <antonio@xxxxxxxxxxxxx>
---
 net/mac80211/rc80211_minstrel.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 26fd94f..cd40bc0 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -657,6 +657,18 @@ minstrel_free(void *priv)
 	kfree(priv);
 }
 
+static u32
+minstrel_get_expected_throughput(void *priv, void *priv_sta,
+				 struct ieee80211_supported_band *sband)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+	int idx = mi->max_tp_rate[0];
+	u32 bitrate, ret;
+
+	bitrate = sband->bitrates[mi->r[idx].rix].bitrate;
+	return bitrate * MINSTREL_TRUNC(mi->r[idx].probability * 1000) / 100;
+}
+
 const struct rate_control_ops mac80211_minstrel = {
 	.name = "minstrel",
 	.tx_status = minstrel_tx_status,
@@ -670,6 +682,7 @@ const struct rate_control_ops mac80211_minstrel = {
 	.add_sta_debugfs = minstrel_add_sta_debugfs,
 	.remove_sta_debugfs = minstrel_remove_sta_debugfs,
 #endif
+	.get_expected_throughput = minstrel_get_expected_throughput,
 };
 
 int __init
-- 
1.8.3.2

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