[RFC 3/5] mac80211: minstrel - implement get_minstrel_best_rate() API

[Antonio Quartulli <antonio@meshcoding.com>]

From: Antonio Quartulli <antonio@open-mesh.com>

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
---
 net/mac80211/rc80211_minstrel.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index f3d88b0..748b5db 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -657,6 +657,17 @@ minstrel_free(void *priv)
 	kfree(priv);
 }
 
+static void
+minstrel_get_minstrel_best_rate(void *priv, void *priv_sta,
+				struct ieee80211_minstrel_rate_info *info)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+	int idx = mi->max_tp_rate[0];
+
+	info->rate.idx = mi->r[idx].rix;
+	info->prob = MINSTREL_TRUNC(mi->r[idx].probability * 1000);
+}
+
 struct rate_control_ops mac80211_minstrel = {
 	.name = "minstrel",
 	.tx_status = minstrel_tx_status,
@@ -670,6 +681,7 @@ struct rate_control_ops mac80211_minstrel = {
 	.add_sta_debugfs = minstrel_add_sta_debugfs,
 	.remove_sta_debugfs = minstrel_remove_sta_debugfs,
 #endif
+	.get_minstrel_best_rate = minstrel_get_minstrel_best_rate,
 };
 
 int __init
-- 
1.8.5.3